CN202152109U - A solar energy yacht with overcurrent protection - Google Patents
A solar energy yacht with overcurrent protection Download PDFInfo
- Publication number
- CN202152109U CN202152109U CN2011201794560U CN201120179456U CN202152109U CN 202152109 U CN202152109 U CN 202152109U CN 2011201794560 U CN2011201794560 U CN 2011201794560U CN 201120179456 U CN201120179456 U CN 201120179456U CN 202152109 U CN202152109 U CN 202152109U
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- CN
- China
- Prior art keywords
- circuit
- motor
- switch circuit
- overcurrent protection
- motor switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a solar energy yacht with overcurrent protection. The solar energy yacht with overcurrent protection comprises a power supply, a motor switch circuit and a direct current series motor used for driving a propeller, with the power supply, the motor switch circuit and the direct current series motor being connected successively through a circuit; and further comprises a current sampling circuit used for collecting working current of the direct current series motor, a voltage conversion comparison circuit used for converting current signals output by the current sampling circuit to voltage signals and making comparisons, and a speed setting controller used for collecting output signals of the voltage conversion comparison circuit and outputting control signals to the motor switch circuit. When the propeller is entangled by waterweeds or sundries, the solar energy yacht with overcurrent protection enables output power of the direct current series motor to be reduced through the motor switch circuit until the direct current series motor is turned off; and enables the propeller to turn according to requirements, thereby providing additional protection for the driving motor of the propeller.
Description
Technical field
The utility model relates to a kind of yacht or pleasure-boat, and relating in particular to a kind of is the yacht of power with the solar cell.
Background technology
Solar power is the energy of cleaning, and solar energy photovoltaic panel commonly used (solar panel) is encapsulated then through connection in series-parallel by solar module and forms.After solar panel utilized photoelectric effect directly the luminous energy of the sun to be converted into electric energy, output DC also can deposit in the storage battery, discharges when needing again.
In the solar power system,, can adopt controller for solar (solar charging/discharging controller) in order to control the multichannel solar cell array to battery charge and storage battery powering load.In order to make full use of solar power; Bring into play its advantage, it is power that a lot of vehicle have adopted solar power, for example has the yacht of using in water surface visit and amusement now; Some is power with the solar power; And with storage battery as auxiliary and replenish, the trend of working current for successively through solar energy photovoltaic panel, charge switch circuit, storage battery, motor switch circuit and drive motor, drive motor drive screw propeller.For the ease of control, charge switch circuit and motor switch circuit also have signal input end, control the work of accumulator cell charging and discharging and motor through control signal in addition.
In the control process of accumulator cell charging and discharging, can adopt existing controller for solar; It is integrated charge switch circuit and master controller; Master controller (circuit that can adopt integrated chip, micro controller system or have similar functions) detects the storage battery output voltage; Charge switch circuit is opened when the storage battery output voltage is lower than setting value, utilizes solar energy photovoltaic panel to battery charge, with storage of electrical energy.
When yacht carried out in water, screw propeller can be twined by pasture and water or foreign material once in a while, and motor rotary resistance increase causes the working current increasing, the motor feels hot, even burns motor.Therefore need extra protection be provided to motor.
The utility model content
The utility model provides a kind of current foldback circuit that utilizes for the screw propeller drive motor solar power yacht of protection to be provided, and when screw propeller drive motor working current is excessive, reduces the motor horsepower output, even disable motor.
A kind of solar power yacht that has overcurrent protection comprises power supply, the motor switch circuit that links to each other successively through circuit and is used to drive the DC series motor of screw propeller, is provided with:
Be used to gather the current sampling circuit of DC series motor working current;
Be used for that current signal with current sampling circuit output converts voltage signal into and the voltage transitions that compares circuit relatively;
Be used to gather relatively circuit output signal and of voltage transitions to the speed setting controller of described motor switch circuit output control signal.
Described current sampling circuit is gathered the DC series motor working current; Voltage transitions comparison circuit converts current signal into voltage signal and compares with setting value; When screw propeller is twined by pasture and water or foreign material, motor rotary resistance increase causes working current to strengthen, when cooresponding voltage signal is higher than setting value; Speed setting controller reduces DC series motor horsepower output through the motor switch circuit, until closing.
Be provided with voltage detecting circuit and pulse-width modulation circuit in the described speed setting controller; Described current sampling circuit, voltage transitions comparison circuit, voltage detecting circuit, pulse-width modulation circuit and motor switch circuit link to each other through input end, mouth separately successively, and wherein the mouth of pulse-width modulation circuit inserts motor switch circuit control signal input part.
Described power supply is mutual series connected solar energy photovoltaic panel and storage battery.
Described motor switch circuit can be used the MOS switching valve, controls the time that the MOS switching valve is opened or closed through the pulsewidth that changes MOS switch controlled signal, realizes current controlling then.
When the utility model solar power yacht is twined by pasture and water or foreign material when screw propeller, can reduce DC series motor horsepower output through the motor switch circuit, until closing.Can also overturn as required, for the screw propeller drive motor provides extra protection.
Description of drawings
Fig. 1 is the circuit block diagram of the utility model solar power yacht.
The specific embodiment
Referring to accompanying drawing, the utility model solar power yacht comprises solar energy photovoltaic panel, charge switch circuit, storage battery, storage battery output switch circuit, the motor switch circuit that links to each other successively through circuit and is used to drive the DC series motor of screw propeller.
Solid line between the blocks among the figure is represented the working current path of DC series motor, dotted line expression signal current path.
Be provided with the output voltage that is used to gather storage battery and to the charging-discharging controller of charge switch circuit and storage battery output switch circuit output control signal.
Charging-discharging controller detects the storage battery output voltage, and charge switch circuit is opened when the storage battery output voltage is lower than setting value, utilizes solar energy photovoltaic panel to battery charge, when output storage battery output voltage reaches setting value, stops charging, prevents to overcharge.
Also to storage battery output switch circuit output control signal, when the storage battery output voltage is lower than setting value,, close the storage battery output switch circuit when charging-discharging controller detects the storage battery output voltage, prevent that the mistake of storage battery from putting in order to protect storage battery.
Charge switch circuit, storage battery output switch circuit and motor switch circuit can be used the MOS switching valve, realize the conducting of controlled circuit through changing MOS switch controlled signal.
Mechanical drive such as the screw propeller of the utility model solar power yacht and rudder for ship and control part can adopt prior art.
The circuit part of the utility model solar power yacht also is provided with:
Be used to gather the current sampling circuit of DC series motor working current;
Be used for that current signal with current sampling circuit output converts voltage signal into and the voltage transitions that compares circuit relatively;
Be used to gather relatively circuit output signal and of voltage transitions to the speed setting controller of motor switch circuit output control signal.
Be provided with voltage detecting circuit and pulse-width modulation circuit in the speed setting controller; Current sampling circuit, voltage transitions comparison circuit, voltage detecting circuit, pulse-width modulation circuit and motor switch circuit link to each other through input end, mouth separately successively, and wherein the mouth of pulse-width modulation circuit inserts motor switch circuit control signal input part.
Current sampling circuit is gathered the DC series motor working current during work; Voltage transitions comparison circuit converts current signal into voltage signal and compares with setting value; When screw propeller is twined by pasture and water or foreign material, motor rotary resistance increase causes working current to strengthen, when cooresponding voltage signal is higher than setting value; Voltage detecting circuit receives corresponding signal and imports to pulse-width modulation circuit; Pulse-width modulation circuit reduces DC series motor horsepower output, until closing whereby through the dutycycle of motor switch circuit change DC series motor working current.
Claims (3)
1. solar power yacht that has overcurrent protection comprises power supply, the motor switch circuit that links to each other successively through circuit and is used to drive the DC series motor of screw propeller, it is characterized in that, is provided with:
Be used to gather the current sampling circuit of DC series motor working current;
Be used for that current signal with current sampling circuit output converts voltage signal into and the voltage transitions that compares circuit relatively;
Be used to gather relatively circuit output signal and of voltage transitions to the speed setting controller of described motor switch circuit output control signal.
2. the solar power yacht that has overcurrent protection as claimed in claim 1; It is characterized in that; Be provided with voltage detecting circuit and pulse-width modulation circuit in the described speed setting controller; Described current sampling circuit, voltage transitions comparison circuit, voltage detecting circuit, pulse-width modulation circuit and motor switch circuit link to each other through input end, mouth separately successively, and wherein the mouth of pulse-width modulation circuit inserts motor switch circuit control signal input part.
3. the solar power yacht that has overcurrent protection as claimed in claim 2 is characterized in that, described power supply is mutual series connected solar energy photovoltaic panel and storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201794560U CN202152109U (en) | 2011-05-31 | 2011-05-31 | A solar energy yacht with overcurrent protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201794560U CN202152109U (en) | 2011-05-31 | 2011-05-31 | A solar energy yacht with overcurrent protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202152109U true CN202152109U (en) | 2012-02-29 |
Family
ID=45692614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201794560U Expired - Fee Related CN202152109U (en) | 2011-05-31 | 2011-05-31 | A solar energy yacht with overcurrent protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202152109U (en) |
-
2011
- 2011-05-31 CN CN2011201794560U patent/CN202152109U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120229 Termination date: 20120531 |