CN103428941A - Miner lamp with hand-cranked charging function - Google Patents
Miner lamp with hand-cranked charging function Download PDFInfo
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- CN103428941A CN103428941A CN2012101608674A CN201210160867A CN103428941A CN 103428941 A CN103428941 A CN 103428941A CN 2012101608674 A CN2012101608674 A CN 2012101608674A CN 201210160867 A CN201210160867 A CN 201210160867A CN 103428941 A CN103428941 A CN 103428941A
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Abstract
The invention relates to a miner lamp with a hand-cranked charging function. The miner lamp comprises a battery, a charging panel, a hand-cranked generator, a boosting and constant-current drive circuit, a switch and a light source. The charging panel is connected with the battery and the hand-cranked generator, and the battery is charged when external electric energy is inputted. The boosting and constant-current drive circuit comprises an input end, an output end and a control end. The input end is connected with the positive electrode of the battery, the control end is connected with the switch, and the output end is connected with the light source. The boosting and constant-current drive circuit performs boosting and current stabilizing on voltage inputted by the input end under the control of the switch and then outputs the voltage to the light source for lighting. According to the miner lamp with the hand-cranked charging function, the boosting and constant-current drive is performed on the light source by the boosting and constant-current drive circuit, compared with a traditional voltage reducing and constant-current drive manner, even if on the occasion where voltage on the light source is reduced to a large extent, the working currents of the light source can still be kept constant, therefore, luminance of the light source can be ensured, and the production safety is ensured.
Description
Technical field
The present invention relates to the lighting device with generator in machine, particularly relate to a kind of mine lamp with hand charge function.
Background technology
Mine lamp is a kind ofly to be applied to the ore deposit intraoral illumination, or there are the illuminating equipment in the flammable explosive gas environment in petrochemical industry, storage transportation etc.
Traditional LED mine lamp generally adopts the step-down constant current chip to be driven LED light source, when the pressure drop of LED light source is higher, just there will be not constant current phenomenon, causes mine lamp dimmed, and production safety is caused to adverse effect.
Summary of the invention
Based on this, there will be dimmed phenomenon if be necessary for the traditional light source of the mine lamp with hand charge function pressure drop is too high, affect the problem of production safety, a kind of mine lamp with hand charge function is provided.
A kind of mine lamp with hand charge function, comprise battery, charging panel, hand generator, switch and light source, and described charging panel connects described battery and described hand generator, when extraneous electric energy input is arranged, described battery charged; Also comprise voltage increase and current constant driving circuit, described voltage increase and current constant driving circuit comprises input, output and control end, and described input connects the positive pole of described battery, and described control end connects described switch, and described output connects described light source; Described voltage increase and current constant driving circuit carries out the voltage of described input input after voltage increase and current constant exporting to described light source and is thrown light under the control of described switch.
In embodiment, described mine lamp comprises lamp holder and battery case therein, and described switch, described voltage increase and current constant driving circuit and described light source are located in described lamp holder, and described hand generator, described charging panel and described battery are located in described battery case.
In embodiment, described light source comprises main light source and secondary light source therein, between three kinds of states that all extinguish in luminous, the secondary light source luminescent of main light source and two light sources under the control of described switch, switches.
In embodiment, described light source is LED therein.
In embodiment, also comprise the diode between the anodal and described input that is connected to described battery therein, the anode of described diode connects the positive pole of described battery, and negative electrode connects described input.
In embodiment, also comprise the external charge mouth therein, described external charge mouth connects described voltage increase and current constant driving circuit and charging panel; When having the electric energy input, described external charge mouth by described charging panel, described battery is charged.
Therein in embodiment, described voltage increase and current constant driving circuit carries out the electric energy of described external charge mouth input after voltage increase and current constant exporting to described light source and is thrown light under the control of described switch.
In embodiment, described charging panel comprises the rectification circuit that carries out rectification for the electric energy to the hand generator input therein.
The above-mentioned mine lamp with hand charge function, by voltage increase and current constant driving circuit, light source is carried out to the voltage increase and current constant driving, with respect to traditional step-down constant current drive mode, even under the occasion that pressure drop is larger on light source, still can keep the constant of light source works electric current, therefore can guarantee the luminosity of light source, ensure for producing safety belt.
The accompanying drawing explanation
Fig. 1 is with the electrical block diagram of the mine lamp of hand charge function in an embodiment;
Fig. 2 is with the electrical block diagram of the mine lamp of hand charge function in another embodiment.
Embodiment
For purpose of the present invention, feature and advantage can more be become apparent, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Fig. 1 be in an embodiment with the electrical block diagram of the mine lamp of hand charge function, comprise battery, charging panel, hand generator, switch, voltage increase and current constant driving circuit and light source.
Charging panel connects battery and hand generator, when extraneous electric energy input is arranged, battery is charged.Extraneous electric energy comprises the electric energy that hand generator produces.
Voltage increase and current constant driving circuit comprises input, output and control end, and input connects the positive pole of battery, the control end connecting valve, and output connects light source.Voltage increase and current constant driving circuit carries out the voltage of input input after voltage increase and current constant exporting to light source and is thrown light under the control of switch.
The above-mentioned mine lamp with hand charge function, by voltage increase and current constant driving circuit, light source is carried out to the voltage increase and current constant driving, with respect to traditional step-down constant current drive mode, even under the occasion that pressure drop is larger on light source, still can keep the constant of light source works electric current, therefore can guarantee the luminosity of light source, ensure for producing safety belt.
Fig. 2 is with the electrical block diagram of the mine lamp of hand charge function in another embodiment.In this embodiment, light source adopts light-emitting diode (LED), comprises main light source and secondary light source, between three kinds of states that can be under the control of switch all extinguish in luminous, the secondary light source luminescent of main light source and two light sources, switches.It is luminous to be that switch clicks main light source, then clicks secondary light source luminescent, by the 3rd time two light sources, all extinguishes.The design that adopts two light sources is in order when a light source damages, to be switched to standby power source, improves fail safe.
In embodiment illustrated in fig. 2, with the mine lamp of hand charge function, also comprise the external charge mouth.The external charge mouth connects voltage increase and current constant driving circuit and charging panel.When the mine lamp external charge mouth with hand charge function is electrically connected to charging rack, charging rack is inputted as extraneous electric energy, by charging panel, battery is charged, and now also can be thrown light on by the switch opens light source.Under the state that connects the external charge mouth, voltage increase and current constant driving circuit directly will carry out from the electric energy of external charge mouth input voltage increase and current constant exporting to light source and be thrown light on.
In embodiment illustrated in fig. 2, also comprise the diode D1 between the input of the positive pole that is connected to battery and voltage increase and current constant driving circuit with the mine lamp of hand charge function, the anode of diode D1 connects the positive pole of battery, and negative electrode connects the input of voltage increase and current constant driving circuit.The negative electrode of diode D1 is connected between the input of the anodal CH+ of external charge mouth and voltage increase and current constant driving circuit, in the time of can preventing mine lamp external charge frame, directly by this loop, pours in down a chimney to battery.
Therein in embodiment, with the mine lamp of hand charge function, comprise lamp holder and battery case.Switch, voltage increase and current constant driving circuit and light source are located in lamp holder, and hand generator, charging panel, diode D1 and battery are located in battery case.Traditional mine lamp generally is located at charging panel in lamp holder, but this can cause the structure of lamp holder more complicated, makes the wiring in lamp holder in a mess.The present invention is located at charging panel in battery case, with respect to traditional scheme, can obtain more rational winding displacement.
In embodiment, charging panel comprises the rectification circuit that carries out rectification for the electric energy to the hand generator input therein.Hand generator can adopt that coil is fixed, the structure of magnet rotation, by the rotation of rotary handle band moving magnet, coil-inducedly goes out the three-phase alternating current electromotive force, then is that suitable direct voltage charges the battery by the rectification circuit rectifying and wave-filtering.Consider the application scenario of mine lamp, hand generator should not selected can produce pyrophoric motor type.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (8)
1. the mine lamp with hand charge function, comprise battery, charging panel, hand generator, switch and light source, and described charging panel connects described battery and described hand generator, when extraneous electric energy input is arranged, described battery charged; It is characterized in that, also comprise voltage increase and current constant driving circuit,
Described voltage increase and current constant driving circuit comprises input, output and control end, and described input connects the positive pole of described battery, and described control end connects described switch, and described output connects described light source; Described voltage increase and current constant driving circuit carries out the voltage of described input input after voltage increase and current constant exporting to described light source and is thrown light under the control of described switch.
2. the mine lamp with hand charge function according to claim 1, it is characterized in that, described mine lamp comprises lamp holder and battery case, described switch, described voltage increase and current constant driving circuit and described light source are located in described lamp holder, and described hand generator, described charging panel and described battery are located in described battery case.
3. the mine lamp with hand charge function according to claim 1, is characterized in that, described light source comprises main light source and secondary light source, between three kinds of states that all extinguish in luminous, the secondary light source luminescent of main light source and two light sources under the control of described switch, switches.
4. the mine lamp with hand charge function according to claim 1, is characterized in that, described light source is LED.
5. the mine lamp with hand charge function according to claim 1, is characterized in that, also comprises the diode between the anodal and described input that is connected to described battery, and the anode of described diode connects the positive pole of described battery, and negative electrode connects described input.
6. the mine lamp with hand charge function according to claim 1, is characterized in that, also comprises the external charge mouth, and described external charge mouth connects described voltage increase and current constant driving circuit and charging panel; When having the electric energy input, described external charge mouth by described charging panel, described battery is charged.
7. the mine lamp with hand charge function according to claim 6, is characterized in that, described voltage increase and current constant driving circuit carries out the electric energy of described external charge mouth input after voltage increase and current constant exporting to described light source and thrown light under the control of described switch.
8. the mine lamp with hand charge function according to claim 1, is characterized in that, described charging panel comprises the rectification circuit that carries out rectification for the electric energy to the hand generator input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101608674A CN103428941A (en) | 2012-05-22 | 2012-05-22 | Miner lamp with hand-cranked charging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101608674A CN103428941A (en) | 2012-05-22 | 2012-05-22 | Miner lamp with hand-cranked charging function |
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| Publication Number | Publication Date |
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| CN103428941A true CN103428941A (en) | 2013-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101608674A Pending CN103428941A (en) | 2012-05-22 | 2012-05-22 | Miner lamp with hand-cranked charging function |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007252556A (en) * | 2006-03-23 | 2007-10-04 | Fujinon Corp | Endoscope apparatus |
| CN201008221Y (en) * | 2007-02-12 | 2008-01-16 | 王晶 | High-brightness, high efficiency LED lamp |
| CN201043690Y (en) * | 2007-01-12 | 2008-04-02 | 邹日南 | Constantly illuminating mine lamp |
| CN201206736Y (en) * | 2008-04-16 | 2009-03-11 | 湘潭市神钜机电科技有限公司 | Delay energy-saving self-generating miner's lamp |
-
2012
- 2012-05-22 CN CN2012101608674A patent/CN103428941A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007252556A (en) * | 2006-03-23 | 2007-10-04 | Fujinon Corp | Endoscope apparatus |
| CN201043690Y (en) * | 2007-01-12 | 2008-04-02 | 邹日南 | Constantly illuminating mine lamp |
| CN201008221Y (en) * | 2007-02-12 | 2008-01-16 | 王晶 | High-brightness, high efficiency LED lamp |
| CN201206736Y (en) * | 2008-04-16 | 2009-03-11 | 湘潭市神钜机电科技有限公司 | Delay energy-saving self-generating miner's lamp |
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Application publication date: 20131204 |
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| RJ01 | Rejection of invention patent application after publication |