CN2284479Y - Solar power source device for energy saving lamp - Google Patents

Abstract

The utility model relates to a solar power source device for an energy saving lamp, comprising an accumulator, an accumulator discharge protection circuit and a solar cell which can charge the accumulator. The utility model is characterized in that the solar power source device for an energy saving lamp also comprises a charging protection circuit connected between the solar cell and the accumulator, a light control circuit which can control the accumulator to supply power to an inverter circuit according to strong or weak degree of light connected between the accumulator and a discharge protection circuit, a clock controlling circuit which can control the accumulator to supply power to the inverter circuit according to the set time connected between the accumulator and the discharge protection circuit, an inverter circuit which is used for supplying alternating power source to an electronic energy saving lamp with high efficiency as to change the direct current of the accumulator into a square wave current with high frequency. Therefore, the energy saving effect can be achieved.

Description

A kind of solar energy power source apparatus that is used for electricity-saving lamp

The utility model relates to a kind of saving lamp power source device, specifically, relates to a kind of supply unit that utilizes solar energy to the electricity-saving lamp power supply.

General now use solar cell is as sun-generated electric power.Solar cell is a green energy resource, and pollution-free energy savings again is of great importance for solving world energy sources crisis and industrial pollution, is specially adapted to solve the electrical problem in unregulated power area.But solar cell is used for electricity-saving lamp also has certain practical difficulty, wherein mainly is that efficient is too low.Therefore, be mainly used in low power lighting device at present, for example Chinese patent 90204926,92204863 etc. is used for general emergency light or safety lamp etc.

The purpose of this utility model is to provide a kind of solar energy power source apparatus that is used for electricity-saving lamp, improves power output and reaches energy-conservation effect.

The purpose of this utility model is achieved in that it comprises: storage battery, battery discharging protective circuit and to the solar cell of charge in batteries is characterized in that also comprising:

A charge protector that is connected between solar cell and the storage battery is used for cutting off its charge circuit when storage battery reaches the charging maximum permissible voltage;

One is connected on being used for according to the light-operated circuit of strong, the weak control storage battery of light to the inverter circuit power supply between storage battery and the discharge protection circuit, and the connection storage battery is to the current supply circuit of inverter circuit when light is dark;

One is connected on being used for according to the clock control circuit of the time control storage battery of setting to the inverter circuit power supply between storage battery and the discharge protection circuit, and the connection storage battery is to the current supply circuit of inverter circuit in the time of setting;

An inverter circuit that is used for providing alternating source to the electronic high-effective electricity-saving lamp.

According to the solar energy power source apparatus that is used for electricity-saving lamp of the present utility model, owing to adopted direct current one AC inverter of switching power circuit, the high frequency square wave voltage of output is than the energy-conservation 10-20% of power frequency sinusoidal voltage of electrical network, maximally utilised the solar cell energy, and the above output of two-way is arranged, can and connect multi-lamp or and connect other power consumption equipment.

The solar energy-saving lamp power supply that the utility model provides is a kind of novelty, simple, economic, multiple functional energy saver, because this device volume is little, without civil power, conveniently moving, without external circuit, use in the place that can be widely used in mountain area, island, pastoral area, frontier sentry and other unregulated powers or power shortage.Because what the utility model used is highly efficient electronic fluorescent lamp, than common white flag Lantern Festival energy 80%.

Below in conjunction with description of drawings most preferred embodiment of the present utility model, wherein:

Fig. 1 is a calcspar of the present utility model;

Fig. 2 is the schematic diagram of charge protector of the present utility model;

Fig. 3 is the light-controlled switching circuit schematic diagram;

Fig. 4 is the clock controlled switch circuit theory diagrams;

Fig. 5 is a DC-AC inverter circuit schematic diagram;

Winding diagram when Fig. 6 is the utility model use.

Be the calcspar of embodiment of the present utility model in the frame of broken lines among Fig. 1, as seen from Figure 1, the utility model is made up of charge protector, storage battery, clock control circuit, light-operated circuit, inverter circuit.Physical circuit to each square describes respectively below, thereby embodiment of the present utility model is described.

Fig. 2 is the schematic diagram of charge protector; as shown in Figure 2; solar energy is made up of operational amplifier A 1, switch triode T1, voltage-stabiliser tube DW1 and resistance R 1, R2, R3, R4, R5, R6 the battery charge protection circuit; A1, DW1 and R1, R2, R3, R4, R5, R6 constitute Schmidt trigger; supply voltage provides the reference potential of the highest permission charging voltage by R5 to the A1 end of oppisite phase after R1 and DWI voltage stabilizing, the current potential that R2, R3 change to A1 in-phase end input one reflection storage battery both end voltage by R4 after to the storage battery dividing potential drop.When the storage battery both end voltage was lower than the charging maximum permissible voltage, A1 exported zero potential, and T1 ends; When the storage battery both end voltage was higher than the charging maximum permissible voltage, the in-phase end current potential of A1 was higher than the end of oppisite phase current potential, and A1 exports high potential, the T1 saturation conduction, make the short circuit of solar cell output, can not continue, guaranteed that storage battery is unlikely because of overcharging to be damaged to charge in batteries.

About discharge protection circuit, adopt common battery discharging protective circuit to get final product, this is well-known to those having ordinary skill in the art, herein no longer explanation.

Fig. 3 is the light-operated circuit schematic diagram, and as shown in Figure 3, light-controlled switching circuit is made up of comparator A3, triode T3, voltage-stabiliser tube DW3, relay J 2 and resistance R 16, R17, R18, R19, R20.A3, DW3 and R16, R17, R18 constitute non-zero comparator, and wherein the end of oppisite phase power supply circuits of comparator A3 (R17, R18) meet solar cell TB.R16 and DW3 formation voltage stabilizing circuit lead to the A3 in-phase end provides a fixed potential, and R17, R18 divide solar cell TB presses to the current potential that A3 end of oppisite phase input one reflection solar cell both end voltage changes.At night, the solar cell both end voltage is very little, and A3 end of oppisite phase current potential is lower than the in-phase end current potential, and A3 exports high potential, and the T3 conducting is connected on relay on the collector electrode by adhesive, and storage battery can provide electric current to load; And daytime, the solar cell both end voltage was bigger, A3 end of oppisite phase current potential is higher than the in-phase end current potential, A3 exports electronegative potential, T3 ends, relay J 2 closures, the relay tip that is connected on the inverter power supply loop is disconnected, and storage battery can not provide electric current to load, has been equivalent to turn on the switch between power supply and the lamp.Like this, utilize the light sensitive characteristic of solar cell itself to realize when sky gradually during night at dusk, the light-controlled switching circuit that lamp is lighted automatically.

Fig. 4 is the clock controlled switch circuit theory diagrams, as shown in Figure 4, the clock controlled switch circuit is opened six by SC-C3B six and is closed clock controlling appliances, triode T4, relay J 3, resistance R 21, R22, capacitor C 1, C2, C3, C4, C5, C6 and K switch 1, K2, K3, K4, K5, K6, K7 and form.K1～K7 be clock controlling appliances need the school time switch, control time switch, output state control switch are set, switch are set in week, hour switch be set, divide switch and zero clearing reset switch are set.By K2～K6 can be set the control turn-off time.When timing during to conduction time, clock controlled switch circuit A output is exported a high level, and triode T4 conducting is connected on relay on the collector electrode by adhesive, and storage battery can provide electric current to load; When timing power-off during the time, it is anti-phase to A3 that clock controlled switch circuit A output is output as high level, and triode T4 ends, relay J 3 closures, the relay of the relay tip (not shown) that is connected on the inverter power supply loop is disconnected, and storage battery can not provide electric current to load.C1～C6 forms high-frequency filter circuit, filters the High-frequency Interference that the DC-AC inverter circuit is produced, and assurance clock controlled switch circuit is normally gone up and done.Because people can freely be provided with six groups of turn-off times as required, and can revise at any time, and are extremely easy to use.

Fig. 5 DC-AC inverter circuit schematic diagram, as shown in Figure 5, DC-AC inverter circuit large power triode T5, transformer B, resistance R 23, capacitor C 7, diode D1, highly efficient electronic fluorescent lamp are formed.Wherein large power triode T5, transformer B, resistance R 23, capacitor C 7, diode D1 form transformer feedback formula multivibrator, when the T5 end adds a positive voltage, the time collector electrode output negative voltage, base stage obtains a positive feedback voltage after the B feedback, satisfies feedback condition.Because triode is ending and the saturation conduction state, oscillator output square-wave voltage is added to the electric energy-saving two ends after transformer secondary output boosts, and lamp is bright.Because highly efficient electronic fluorescent lamp is than incandescent lamp energy-conservation 80%.Load as sun-generated electric power is the most suitable.About frequency 30KHZ for square-wave voltage, can be by changing coil turn and adjusting the size adjustment frequency of oscillation of R23 and play vibration frequency.Because circuit adopts large power triode, and tens watts power can be provided.Transformer is simple and secondaryly be connected an inductance, can play the effect of electric ballast, in fluorescent tube conducting moment, provides big electric current.It is one that this circuit melts power amplifier, Switching Power Supply, electric ballast, and circuit is simple, the conversion efficiency height.

In the circuit of above accompanying drawing, at discharge prevention relay J 1, light-operated switch relay J 2 two ends and connect examination lamp switch 1, at the clock control circuit two ends and connect examination lamp switch 2, mainly play the effect of convenient debugging and maintenance.Should be bright and can detect like this under the situation about not working at lamp: if two switches are all pressed down, lamp work, and illustrates that inverter circuit has fault; If two switches are all pressed down, lamp is bright, but after opening switch 1, lamp does not work, and illustrates that discharge prevention and light-controlled switching circuit have fault; If two switches are all pressed down, lamp is bright, but after opening switch 2, lamp does not work, and illustrates that clock control circuit has fault.On the electricity-saving lamp cabinet panel, also be provided with the voltmeter of 30V, can observe the storage 8 electric situations of storage battery at any time.By clock controlled switch K1～K7 can be provided with easily present week of clock, hour, time of dividing, and can be provided with and revise the time that lamp is bright and lamp goes out at any time.

Fig. 6 is the winding diagram during supply unit of the present utility model uses, and wherein 1 is solar panel, and 2 is supply unit of the present utility model, the 3rd, and electricity-saving lamp has drawn two among the figure, can have many as required.

Be not difficult to find out that from above-mentioned detailed explanation main characteristics of the present utility model are to use charge protection Circuit stops solar cell to the bright damage of the mistake of battery; Light-operated circuit utilizes solar array voltage The variation characteristic of light is passed through the on/off of comparator control relay, and then control battery to inversion The power supply of device guarantees the automatic operation of battery charging on daytime, night lighting. In addition, this practicality is new Type is also controlled the work of electricity-saving lamp artificially by clock control circuit.

Below respectively the physical circuit of each square among Fig. 1 is had been described in detail, obviously, this area Those of ordinary skill can implement the utility model according to above explanation with being easy to.

Claims (1)

1, a kind of solar energy power source apparatus that is used for electricity-saving lamp comprises: storage battery, battery discharging protective circuit and to the solar cell of charge in batteries is characterized in that also comprising:

A charge protector that is connected between solar cell and the storage battery is used for cutting off its charge circuit when storage battery reaches the charging maximum permissible voltage;

One is connected on being used for according to the light-operated circuit of strong, the weak control storage battery of light to the inverter circuit power supply between storage battery and the discharge protection circuit, and the connection storage battery becomes the current supply circuit of inverter circuit when light is dark;

One is connected on being used for according to the clock control circuit of the time control storage battery of setting to the inverter circuit power supply between storage battery and the discharge protection circuit, and the connection storage battery is to the current supply circuit of inverter circuit in the time of setting;

An inverter circuit that is used for providing alternating source to the electronic high-effective electricity-saving lamp.

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