CN2726268Y - Electromagnetic induction lamp capable of storing solar energy - Google Patents
Electromagnetic induction lamp capable of storing solar energy Download PDFInfo
- Publication number
- CN2726268Y CN2726268Y CN 200420090175 CN200420090175U CN2726268Y CN 2726268 Y CN2726268 Y CN 2726268Y CN 200420090175 CN200420090175 CN 200420090175 CN 200420090175 U CN200420090175 U CN 200420090175U CN 2726268 Y CN2726268 Y CN 2726268Y
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- electromagnetic induction
- induction lamp
- voltage
- storage battery
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Abstract
The utility model discloses an electromagnetic induction lamp of solar energy, comprising a solar battery and a storage battery which are mutually connected, a control circuit connected between the solar battery and the storage battery and an electromagnetic induction lamp connected with these components, wherein, the control circuit comprises a first voltage and current measuring device which can sample a first voltage and current signal, a second voltage and current measuring device which can sample a second voltage and current signal and a control chip. Because the working voltage of the electromagnetic induction lamp is low, the quantity of the solar battery is reduced and the cost is reduced. Simultaneously, the electromagnetic induction lamp belongs to the green light source, so compared with other light sources of gas discharge, this electromagnetic induction lamp has longer working life and higher light efficiency.
Description
Technical field
The utility model relates to the technology of storage solar energy as the energy of light source, more particularly, relates to a kind of electromagnetic induction lamp that stores solar energy.
Background technology
Solar energy is green energy resource, and not only pollution-free but also energy savings all is significant for solving industrial pollution and carrying out the strategy of sustainable development that country proposes.
Utilizing the main means of solar energy is to store solar energy by solar cell, solar cell is a kind of device that sunlight can be transformed into voltage, is characterized in, in case to the specific light of solar cell input, photoelectric effect will take place, and luminous energy is transformed into electric energy.The structure of general solar cell as shown in Figure 1, solar cell is to be formed by two kinds of different material compactings of mixing, form a pn knot respectively, under the specific wavelength irradiation of sunlight, can form certain electrical potential difference between n district and the p district, this electrical potential difference has determined the maximum supply power voltage of battery.If battery is connected to form the loop up and down, solar cell just can be to its electric.
As long as solar cell directly is connected powering load with load, load just can be worked on principle.But in fact because solar energy is constantly to change, its power-on time and loaded work piece time may be inconsistent on the one hand, load often need could be worked under certain voltage on the other hand, the ability of the constant voltage of providing is not provided solar cell, works together so solar electric power supply system all is combined with storage battery.
Fig. 2 is the solar power supply circuit that uses in the prior art.As described above, solar cell can not be directly to electric, must be in storage battery power storage, and by storage battery to electric, but on the other hand, the voltage of storage battery but can not be added on the solar cell, so must guarantee that the charging between solar cell and the storage battery is unidirectional.Therefore in Fig. 2, between solar cell and storage battery, add a diode, to realize the one-way between them.This diode just constitutes the simplest control circuit that circuit connects between control solar cell and the storage battery.
But, have now and exist certain defective as the circuit that power supply drives the common gases charging source with solar cell for this certain products of light source.Though solar energy is the green free energy, but the cost of solar cell is but very high, and the voltage that the solar cell that adopts usually at present can provide is just about 0.5v, therefore want the glow discharge spot lamp work that can allow operating voltage very high, certainly will want a large amount of solar cells to connect, certainly will make cost expensive in the extreme like this in order to enough voltage to be provided.By contrast, electromagnetic induction lamp can be worked under low-down voltage, and the use that is more suitable for matching with solar cell because if cooperate solar cell by electromagnetic induction lamp, can significantly reduce the number of solar cell, makes system cost reduce.In addition, electromagnetic induction lamp itself also belongs to green light source, compares other glow discharge spot lamps, and the long-life that it had and the advantage of high light efficiency can be saved a large amount of electric energy and maintenance cost,
Because electromagnetic induction lamp cooperates the superiority that solar cell brought, therefore need a kind of electromagnetic induction lamp that stores solar energy of exploitation, and emphasis wherein just is how to control solar cell and provides the energy to electromagnetic induction lamp reliably.
The utility model content:
The purpose of this utility model aims to provide a kind of electromagnetic induction lamp that stores solar energy, in conjunction with the characteristics of solar energy and electromagnetic induction lamp, can obtain longer working life and the luminous efficiency of Geng Gao with fully when reducing system cost.
According to the utility model, a kind of electromagnetic induction lamp that stores solar energy is provided, the electromagnetic induction lamp that comprises interconnected solar cell and storage battery, is connected the control circuit between solar cell and the storage battery and links to each other with above-mentioned parts, wherein, described control circuit comprises: first voltage and current detecting device, an end are connected sampling first voltage and current signal between described solar cell and the described storage battery; Second voltage and current detecting device, an end are connected sampling second voltage and current signal between described storage battery and the described electromagnetic induction lamp; One control chip, link to each other with described first, second voltage and current detecting device, the conducting of also controlling connection between described solar cell and the described storage battery and the connection between described storage battery and the described electromagnetic induction lamp whether, described control chip receives described first, second electric current and voltage sampled signal, and is switched on or switched off connection between described solar cell and the described storage battery and the connection between described storage battery and the described electromagnetic induction lamp according to described signal controlling.
Wherein, described control chip adopts the 89C2051 chip.
According to an embodiment of the present utility model, described storage battery is connected with described electromagnetic induction lamp by an AC inverter, one end of described AC inverter links to each other with described storage battery, and the other end links to each other with described electromagnetic induction lamp, is used for changing the direct voltage of storage battery into alternating voltage; And described second voltage and current detecting device, one end is connected between described storage battery and the described AC inverter sampling second voltage and current signal and sends described control chip to, and the conducting that described control chip is controlled the connection between described storage battery and the described AC inverter whether.
According to an embodiment of the present utility model, described electromagnetic induction lamp comprises: EMI filtering and rectifier, and its input links to each other with described AC inverter, is used to reject high order harmonic component; Power factor corrector, its input links to each other with described EMI filtering and rectifier, the ripple amplitude that is used to subdue the top pulse of electrochemical capacitor charging and reduces direct voltage; Inverter circuit, its input links to each other with described power factor corrector, is used to subsequent conditioning circuit that operating voltage is provided; And coupling transformer, be connected in described inverter circuit, be also connected to the electromagnetic induction lamp fluorescent tube.
Preferable, in above-mentioned electromagnetic induction lamp, also comprise the light adjusting circuit that links to each other with described inverter circuit, be used for carrying out light modulation by the mode of frequency modulation.And be serially connected with protective circuit between described inverter circuit, coupling transformer and the electromagnetic induction lamp fluorescent tube, be used for when detecting coupling transformer short circuit or open circuit, making electromagnetic inductive lamp circuit enter protected mode.
According to an embodiment of the present utility model, described inverter circuit can adopt the HY4501 chip.
The operating frequency of electromagnetic induction lamp of the present utility model is 200～300KHz.
Technique scheme of the present utility model closely combines heliotechnics and electromagnetic inductive lamp circuit technology, thereby has brought following technique effect.
On the one hand, because solar cell is combined with electromagnetic induction lamp, the latter just can operate as normal under low-down voltage, therefore can significantly reduce the quantity of solar cell, thereby reduce the cost of whole solar-electricity magnetic induction lamp.Simultaneously, because electromagnetic induction lamp itself also belongs to green light source,, have longer working life and the luminous efficiency of Geng Gao so compare other glow discharge spot lamps.Also can save a large amount of electric energy and maintenance cost thus.
Description of drawings
By below in conjunction with the detailed description of accompanying drawing to preferred embodiment, one of ordinary skill in the art will have clearer and more definite understanding to other advantages of the present utility model and feature, and identical in the accompanying drawings mark is represented identical feature, wherein,
Fig. 1 shows the structure of solar cell.
Fig. 2 shows the solar battery suppling circuit of prior art.
Fig. 3 is the structured flowchart that can store the electromagnetic induction lamp of solar energy according to the utility model.
Fig. 4 be according to an embodiment of the utility model detailed block diagram.
Fig. 5 be according to an embodiment of the utility model the block diagram of control circuit.
Specific embodiment
Be explained in further detail below in conjunction with the technical scheme of drawings and Examples utility model.
Fig. 3 is the structured flowchart that can store the electromagnetic induction lamp of solar energy according to the utility model.Fig. 3 shows a kind of electromagnetic induction lamp 100 that stores solar energy, the electromagnetic induction lamp 300 that comprises interconnected solar cell 102 and storage battery 104, is connected the control circuit 106 between solar cell and the storage battery and links to each other with above-mentioned parts, the structure of electromagnetic induction lamp 300 can further describe below, wherein, control circuit 106 comprises following structure, with reference to figure 5:
First voltage and current detecting device, 202, one ends are connected sampling first voltage and current signal between solar cell 102 and the storage battery 104;
Second voltage and current detecting device 204, one end is connected sampling second voltage and current signal between storage battery 104 and the electromagnetic induction lamp afterwards, need to prove, in a following embodiment, electromagnetic induction lamp is to link to each other with storage battery 104 by an AC inverter 108, this moment second voltage and current detecting device 204, second voltage and current signal of just between storage battery 104 and AC inverter 108 afterwards, sampling;
One control chip 206, link to each other with first, second voltage and current detecting device 202,204, the conducting of also controlling connection between solar cell 102 and the storage battery 104 and the connection between storage battery 104 and the electromagnetic induction lamp (perhaps being AC inverter 108 in one embodiment) whether, control chip 106 receives first, second electric current and voltage sampled signal, and is switched on or switched off 104 connection of solar cell 102 and storage battery and the connection between storage battery 104 and the electromagnetic induction lamp (perhaps the AC inverter 108) according to signal controlling.
What in this embodiment, control chip 106 adopted is the 89C2051 control chip.Time of charging also can be accurately controlled in the protection that above-mentioned control circuit 106 is realized putting overcharging, crossing, load short circuits and polarity connect anti-situation simultaneously, makes charging process safer.Specifically, its major function is as follows:
A. control system discharges and recharges
During charging, 104 chargings of 102 pairs of storage batterys of solar cell; During discharge, the electric energy of storage battery 104 is powered to electromagnetic induction lamp.When the voltage of storage battery 104 far can not satisfy requiring of loaded work piece, control circuit 106 processing of can boosting to the output voltage of storage battery 104.
B. timing working
Operating time that can automatic setting system, the first electric current and voltage detector 202 and the second electric current and voltage detector 204 detect the voltages of solar cells 102 and storage battery 104 automatically.When finding that power shortage or output voltage cross when low, control circuit 106 cuts off automatically with the loop of electromagnetic induction lamp and also controls 104 chargings of 102 pairs of storage batterys of solar cell.
C. defencive function
According to an embodiment of the present utility model shown in Figure 4, storage battery 104 is connected with electromagnetic induction lamp by an AC inverter 108, one end of AC inverter 108 links to each other with storage battery 104, and the other end links to each other with electromagnetic induction lamp, is used for changing the direct voltage of storage battery 104 into alternating voltage.Accordingly, second voltage and current detecting device, 204 1 ends are connected between storage battery 104 and the AC inverter 108 sampling second voltage and current signal and send control chip 206 to, and the conducting of the connection between control chip 206 control storage batterys 104 and the AC inverter 108 whether.Among this embodiment, the effect of storage battery 104 is electric energy that 102 transmission of deposit solar cell come.And AC inverter 108 is the alternating voltages that the low-voltage direct in the storage battery 104 are transformed into 50HZ or 60HZ, in 150V～220V scope, imports follow-up electromagnetic inductive lamp circuit.
Continuation is with reference to figure 4, and the electromagnetic induction lamp among this embodiment of the present utility model comprises following structure,
EMI filtering and rectifier 110, its input links to each other with AC inverter 108, is used to reject high order harmonic component.
According to the embodiment of Fig. 3, it also comprises two following circuit:
The light adjusting circuit 118 that links to each other with inverter circuit 114 is used for carrying out light modulation by the mode of frequency modulation, thereby can prolongs the service time of solar cell greatly, can further reduce the cost of solar-electricity magnetic induction lamp thus.
Be serially connected with the protective circuit 120 between inverter circuit 114, coupling transformer 116 and the electromagnetic induction lamp fluorescent tube 122, be used for when detecting coupling transformer short circuit or open circuit, making electromagnetic inductive lamp circuit enter protected mode.Can avoid the damage of other parts of solar-electricity magnetic induction lamp better.
For the electromagnetic induction lamp that stores solar energy of the present utility model, preferable operating frequency is at 200-300KHz, can make the efficiency of transmission of coupling transformer the highest like this.
Above-mentioned electromagnetic induction lamp is the solar cell of 80w if adopt power, and then under the annual sunshine condition, this lamp can satisfy the requirement of night illumination substantially working every night under the rated power of 40w about 5 hours.If solar-electricity magnetic induction lamp and civil power combination, under the condition of battery electric quantity abundance, by solar cell for supplying power, when battery electric quantity was not enough, by mains-supplied, this just can further improve the stability and the scope of application of system.
After adopting above-mentioned technical scheme, solar cell can be combined with electromagnetic induction lamp, the latter just can operate as normal under low-down voltage, therefore can significantly reduce the quantity of solar cell, thereby reduce the cost of whole solar-electricity magnetic induction lamp.Simultaneously, because electromagnetic induction lamp itself also belongs to green light source,, have longer working life and the luminous efficiency of Geng Gao so compare other glow discharge spot lamps.Also can save a large amount of electric energy and maintenance cost thus.In addition, another superiority that electromagnetic induction lamp of the present utility model is used at lighting field is exactly that it can simplify loaded down with trivial details lighting wiring problem greatly, and each light source all is an independently work system.
Though abovely by preferred embodiment the utility model has been made detailed description, protection range of the present utility model only depends on the scope of claims.Those skilled in the art can make any substitutions and modifications to it under the prerequisite that does not break away from spirit and scope of the present utility model.
Claims (8)
1. electromagnetic induction lamp that can store solar energy, it is characterized in that, the electromagnetic induction lamp that comprises interconnected solar cell and storage battery, is connected the control circuit between solar cell and the storage battery and links to each other with above-mentioned parts, wherein, described control circuit comprises:
First voltage and current detecting device, an end are connected sampling first voltage and current signal between described solar cell and the described storage battery;
Second voltage and current detecting device, an end are connected sampling second voltage and current signal between described storage battery and the described electromagnetic induction lamp;
One control chip, link to each other with described first, second voltage and current detecting device, the conducting of also controlling connection between described solar cell and the described storage battery and the connection between described storage battery and the described electromagnetic induction lamp whether, described control chip receives described first, second electric current and voltage sampled signal, and is switched on or switched off connection between described solar cell and the described storage battery and the connection between described storage battery and the described electromagnetic induction lamp according to described signal controlling.
2. the electromagnetic induction lamp that stores solar energy as claimed in claim 1 is characterized in that, described control chip adopts the 89C2051 chip.
3. the electromagnetic induction lamp that stores solar energy as claimed in claim 1, it is characterized in that, described storage battery is connected with described electromagnetic induction lamp by an AC inverter, one end of described AC inverter links to each other with described storage battery, the other end links to each other with described electromagnetic induction lamp, is used for changing the direct voltage of storage battery into alternating voltage; And described second voltage and current detecting device, one end is connected between described storage battery and the described AC inverter sampling second voltage and current signal and sends described control chip to, and the conducting that described control chip is controlled the connection between described storage battery and the described AC inverter whether.
4. the electromagnetic induction lamp that stores solar energy as claimed in claim 3 is characterized in that, described electromagnetic induction lamp comprises:
EMI filtering and rectifier, its input links to each other with described AC inverter, is used to reject high order harmonic component;
Power factor corrector, its input links to each other with described EMI filtering and rectifier, the ripple amplitude that is used to subdue the top pulse of electrochemical capacitor charging and reduces direct voltage;
Inverter circuit, its input links to each other with described power factor corrector, is used to subsequent conditioning circuit that operating voltage is provided; And
Coupling transformer is connected in described inverter circuit, is also connected to the electromagnetic induction lamp fluorescent tube.
5 electromagnetic induction lamps that store solar energy as claimed in claim 4 is characterized in that described electromagnetic induction lamp also comprises the light adjusting circuit that links to each other with described inverter circuit, are used for carrying out light modulation by the mode of frequency modulation.
6. the solar-electricity magnetic induction lamp that stores as claimed in claim 4; it is characterized in that; described electromagnetic induction lamp also comprises the protective circuit that is serially connected with between described inverter circuit, coupling transformer and the electromagnetic induction lamp fluorescent tube; be used for when detecting coupling transformer short circuit or open circuit, making electromagnetic inductive lamp circuit enter protected mode.
7. the electromagnetic induction lamp that stores solar energy as claimed in claim 4 is characterized in that, described inverter circuit adopts the HY4501 chip.
8. the electromagnetic induction lamp that stores solar energy as claimed in claim 4 is characterized in that, its operating frequency is 200～300KHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420090175 CN2726268Y (en) | 2004-09-17 | 2004-09-17 | Electromagnetic induction lamp capable of storing solar energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420090175 CN2726268Y (en) | 2004-09-17 | 2004-09-17 | Electromagnetic induction lamp capable of storing solar energy |
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| Publication Number | Publication Date |
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| CN2726268Y true CN2726268Y (en) | 2005-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420090175 Expired - Lifetime CN2726268Y (en) | 2004-09-17 | 2004-09-17 | Electromagnetic induction lamp capable of storing solar energy |
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| CN (1) | CN2726268Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106211465A (en) * | 2016-08-12 | 2016-12-07 | 上海九孚实业有限公司 | A kind of warning lamp control system |
| CN108036267A (en) * | 2018-01-23 | 2018-05-15 | 何其昊 | A kind of wireless lamp of high frequency for preventing electromagnetic interference and radiation |
-
2004
- 2004-09-17 CN CN 200420090175 patent/CN2726268Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106211465A (en) * | 2016-08-12 | 2016-12-07 | 上海九孚实业有限公司 | A kind of warning lamp control system |
| CN108036267A (en) * | 2018-01-23 | 2018-05-15 | 何其昊 | A kind of wireless lamp of high frequency for preventing electromagnetic interference and radiation |
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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: 20140917 Granted publication date: 20050914 |