CN203435192U - Rechargeable LED emergency head lamp circuit applied to power field - Google Patents
Rechargeable LED emergency head lamp circuit applied to power field Download PDFInfo
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- CN203435192U CN203435192U CN201320462849.1U CN201320462849U CN203435192U CN 203435192 U CN203435192 U CN 203435192U CN 201320462849 U CN201320462849 U CN 201320462849U CN 203435192 U CN203435192 U CN 203435192U
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Abstract
The utility model discloses a rechargeable LED emergency head lamp circuit applied to the power field, and the circuit comprises a rectification filter voltage-reduction circuit, a storage battery group, a single-pole double-throw switch, a color lamp circuit, a current limiting circuit, and an LED lamp group circuit. Two ends of the rectification filter voltage-reduction circuit are respectively connected with two ends of the storage battery group. The single-pole double-throw switch is disposed at one end of the storage battery group. Two contacts of the single-pole double-throw switch are respectively disposed at one end of the color lamp circuit and one end of the LED lamp group circuit. The other end of the color lamp circuit and the other end of the LED lamp group circuit are respectively connected with the other end of the storage battery group. The current limiting circuit is disposed at one end of the LED lamp group circuit. The rechargeable LED emergency head lamp circuit provided by the utility model is advantageous in that the switching between the color lamp circuit and the LED lamp group circuit is achieved through the single-pole double-throw switch; the LED lamp group is applicable to illumination; and the color lamp circuit is used for transmitting colorful optical signal, thereby playing a role of alarm and warning.
Description
Technical field
The utility model relates to power construction field, is specifically related to a kind of emergent head lamp circuit of chargeable LED that is applied to power domain.
Background technology
LED be called as the 4th generation lighting source or green light source, there is the features such as energy-saving and environmental protection, the life-span is long, volume is little.In power construction field, the emergent head lamp on safety cap is the LED that adopt also more now.
But the LED emergency light circuit for safety cap on the market only possesses simple illumination functions, lack and report to the police and alarm function.And the LED emergency light circuit for safety cap on the market adopts lead acid accumulator more and does not add current-limiting resistance, though price is very cheap, but objectively still can cause energy waste, and because volume is large, the reason of Heavy Weight, and make the uncomfortable of wearer's extreme.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of emergent head lamp circuit of chargeable LED that is applied to power domain is provided.
The purpose of this utility model is achieved through the following technical solutions:
A kind of emergent head lamp circuit of chargeable LED that is applied to power domain, comprise rectifying and wave-filtering reduction voltage circuit, batteries, single-pole double-throw switch (SPDT), color lamp circuit, current-limiting circuit and LED lamp group circuit, the two ends of rectifying and wave-filtering reduction voltage circuit are connected with the two ends of batteries respectively, single-pole double-throw switch (SPDT) is arranged at one end of batteries, two contacts of single-pole double-throw switch (SPDT) are separately positioned on one end of color lamp circuit and LED lamp group circuit, color lamp circuit is connected with the other end of batteries with the other end of LED lamp group circuit, current-limiting circuit is arranged at one end of LED lamp group circuit.
The utility model can switch by single-pole double-throw switch (SPDT) between color lamp circuit and LED lamp group circuit, and LED lamp group circuit is for illumination, and color lamp circuit, for sending colored light signal, plays and reports to the police and alarm function.
The utility model arranges current-limiting circuit, can make to reduce by the electric current of LED lamp group circuit energy savings, the useful life of increase LED lamp group circuit.
Further, described batteries is 4V chargeable lithium cell.Adopt chargeable lithium cell, can reach and reduce volume, the object of weight reduction.
Further, described current-limiting circuit is that resistance is the resistance A of 1.2 Ω.
Further, described color lamp circuit is composed in parallel by many color LED flashing lights.
Further, described LED lamp group circuit is composed in parallel by many high-brightness LED lamps.
Further, the quantity of described high-brightness LED lamp is 24 or 38.
Further, described rectifying and wave-filtering reduction voltage circuit comprises electric capacity, resistance B and the red LED lamp of series connection, bleeder resistance with Capacitance parallel connection, rectifier diode A simultaneously in parallel with resistance B and red LED lamp, one end of rectifier diode A is connected with one end of described storage battery by rectifier diode B, and the other end of rectifier diode A is connected with the other end of described storage battery.
Further, the model of described rectifier diode A and rectifier diode B is IN4007 or IN5399, and the resistance of described bleeder resistance is 470K Ω, and the resistance of described resistance B is 330 Ω, and the capacitance of described electric capacity is 1uF, and the withstand voltage of described electric capacity is 400V.
The beneficial effects of the utility model are:
1. the utility model can switch by single-pole double-throw switch (SPDT) between color lamp circuit and LED lamp group circuit, and LED lamp group circuit is for illumination, and color lamp circuit, for sending colored light signal, plays and reports to the police and alarm function;
2. the utility model arranges current-limiting circuit, can make to reduce by the electric current of LED lamp group circuit energy savings, the useful life of increase LED lamp group circuit;
3. the utility model adopts chargeable lithium cell, can reach and reduce volume, the object of weight reduction.
Accompanying drawing explanation
In order to be illustrated more clearly in embodiment of the present utility model, will be briefly described describing the required accompanying drawing of using in the utility model embodiment below.Apparent, the accompanying drawing in the following describes is only some embodiment that record in the utility model, for a person skilled in the art, in the situation that not paying creative work, can also, according to accompanying drawing below, obtain other accompanying drawing.
Fig. 1 is structural representation of the present utility model;
Wherein, the parts title that Reference numeral is corresponding is as follows:
1-single-pole double-throw switch (SPDT), 2-batteries, 3-color LED flashing light, 4-high-brightness LED lamp, 5-resistance A, 6-resistance B, 7-electric capacity, 8-red LED lamp, 9-bleeder resistance, 10-rectifier diode A, 11-rectifier diode B.
Embodiment
In order to make those skilled in the art understand better the utility model, below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out to clear, complete description.Apparent, embodiment described below is only the part in the utility model embodiment, rather than all.The embodiment recording based on the utility model, other all embodiment that those skilled in the art obtain in the situation that not paying creative work, all in the scope of the utility model protection.
Embodiment 1:
As shown in Figure 1, a kind of emergent head lamp circuit of chargeable LED that is applied to power domain, comprise rectifying and wave-filtering reduction voltage circuit, batteries 2, single-pole double-throw switch (SPDT) 1, color lamp circuit, current-limiting circuit and LED lamp group circuit, the two ends of rectifying and wave-filtering reduction voltage circuit are connected with the two ends of batteries 2 respectively, single-pole double-throw switch (SPDT) 1 is arranged at one end of batteries 2, two contacts of single-pole double-throw switch (SPDT) 1 are separately positioned on one end of color lamp circuit and LED lamp group circuit, color lamp circuit is connected with the other end of batteries 2 with the other end of LED lamp group circuit, current-limiting circuit is arranged at one end of LED lamp group circuit.
Rectifying and wave-filtering reduction voltage circuit is for charging to batteries 2 after 220V civil power step-down rectifier.By adjusting single-pole double-throw switch (SPDT) 1, can make 2 pairs of color lamp circuit of batteries or LED lamp group circuit power.LED lamp group circuit is for illumination, and color lamp circuit, for sending colored light signal, plays and reports to the police and alarm function.
Embodiment 2:
As shown in Figure 1, the present embodiment is on the basis of embodiment 1, and described batteries 2 is 4V chargeable lithium cell.Adopt chargeable lithium cell, can reach and reduce volume, the object of weight reduction.
Embodiment 3:
The present embodiment is on the basis of above-mentioned any one embodiment, and described current-limiting circuit is that resistance is the resistance A5 of 1.2 Ω.When batteries 2 voltages are 4V, the about 60mA of color lamp circuit working electric current, LED lamp group circuit is not in the situation that adding current-limiting resistance, electric current reaches mA more than 600 unexpectedly, large like this electric current not only makes to be full of the electric back lighting time at every turn can be not oversize, and can cause damage to inside battery structure, reduction of service life, when sealing in after the resistance A5 of 1.2 Ω to LED lamp group circuit, operating current is finally reduced to 320mA, and brightness variation still can reach the effect while not adding current-limiting resistance, and improved the useful life of battery, also can make lighting hours elongated.
Embodiment 4:
The present embodiment is on the basis of above-mentioned any one embodiment, and described color lamp circuit is composed in parallel by many color LED flashing lights 3.
Embodiment 5:
The present embodiment is on the basis of above-mentioned any one embodiment, and described LED lamp group circuit is composed in parallel by many high-brightness LED lamps 4.
Embodiment 6:
The present embodiment is on the basis of embodiment 5, and the quantity of described high-brightness LED lamp 4 is 24 or 38.
Embodiment 7:
The present embodiment is on the basis of above-mentioned any one embodiment, described rectifying and wave-filtering reduction voltage circuit comprises electric capacity 7, resistance B6 and the red LED lamp 8 of series connection, the bleeder resistance 9 in parallel with electric capacity 7, rectifier diode A10 simultaneously in parallel with resistance B6 and red LED lamp 8, one end of rectifier diode A10 is connected with one end of described storage battery by rectifier diode B11, and the other end of rectifier diode A10 is connected with the other end of described storage battery.
Embodiment 8:
The present embodiment is on the basis of embodiment 8, the model of described rectifier diode A10 and rectifier diode B11 is IN4007 or IN5399, and the resistance of described bleeder resistance 9 is 470K Ω, and the resistance of described resistance B6 is 330 Ω, the capacitance of described electric capacity 7 is 1uF, and the withstand voltage of described electric capacity 7 is 400V.
As mentioned above, just can realize preferably the utility model.
Claims (8)
1. the emergent head lamp circuit of the chargeable LED that is applied to power domain, it is characterized in that: comprise rectifying and wave-filtering reduction voltage circuit, batteries, single-pole double-throw switch (SPDT), color lamp circuit, current-limiting circuit and LED lamp group circuit, the two ends of rectifying and wave-filtering reduction voltage circuit are connected with the two ends of batteries respectively, single-pole double-throw switch (SPDT) is arranged at one end of batteries, two contacts of single-pole double-throw switch (SPDT) are separately positioned on one end of color lamp circuit and LED lamp group circuit, color lamp circuit is connected with the other end of batteries with the other end of LED lamp group circuit, current-limiting circuit is arranged at one end of LED lamp group circuit.
2. a kind of emergent head lamp circuit of chargeable LED that is applied to power domain according to claim 1, is characterized in that: described batteries is 4V chargeable lithium cell.
3. a kind of emergent head lamp circuit of chargeable LED that is applied to power domain according to claim 1, is characterized in that: described current-limiting circuit is that resistance is the resistance A of 1.2 Ω.
4. a kind of emergent head lamp circuit of chargeable LED that is applied to power domain according to claim 1, is characterized in that: described color lamp circuit is composed in parallel by many color LED flashing lights.
5. a kind of emergent head lamp circuit of chargeable LED that is applied to power domain according to claim 1, is characterized in that: described LED lamp group circuit is composed in parallel by many high-brightness LED lamps.
6. a kind of emergent head lamp circuit of chargeable LED that is applied to power domain according to claim 5, is characterized in that: the quantity of described high-brightness LED lamp is 24 or 38.
7. according to a kind of emergent head lamp circuit of chargeable LED that is applied to power domain described in any one in claim 1 ~ 6, it is characterized in that: described rectifying and wave-filtering reduction voltage circuit comprises electric capacity, resistance B and the red LED lamp of series connection, bleeder resistance with Capacitance parallel connection, rectifier diode A simultaneously in parallel with resistance B and red LED lamp, one end of rectifier diode A is connected with one end of described storage battery by rectifier diode B, and the other end of rectifier diode A is connected with the other end of described storage battery.
8. the emergent head lamp circuit of a kind of chargeable LED that is applied to power domain according to claim 7, it is characterized in that: the model of described rectifier diode A and rectifier diode B is IN4007 or IN5399, the resistance of described bleeder resistance is 470K Ω, the resistance of described resistance B is 330 Ω, the capacitance of described electric capacity is 1uF, and the withstand voltage of described electric capacity is 400V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320462849.1U CN203435192U (en) | 2013-07-31 | 2013-07-31 | Rechargeable LED emergency head lamp circuit applied to power field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320462849.1U CN203435192U (en) | 2013-07-31 | 2013-07-31 | Rechargeable LED emergency head lamp circuit applied to power field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203435192U true CN203435192U (en) | 2014-02-12 |
Family
ID=50064201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320462849.1U Expired - Lifetime CN203435192U (en) | 2013-07-31 | 2013-07-31 | Rechargeable LED emergency head lamp circuit applied to power field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203435192U (en) |
-
2013
- 2013-07-31 CN CN201320462849.1U patent/CN203435192U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |