CN201302082Y - Capacity charge fire-fighting emergency illuminating lamp - Google Patents
Capacity charge fire-fighting emergency illuminating lamp Download PDFInfo
- Publication number
- CN201302082Y CN201302082Y CNU2008202019869U CN200820201986U CN201302082Y CN 201302082 Y CN201302082 Y CN 201302082Y CN U2008202019869 U CNU2008202019869 U CN U2008202019869U CN 200820201986 U CN200820201986 U CN 200820201986U CN 201302082 Y CN201302082 Y CN 201302082Y
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- light source
- charging
- fighting emergency
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Abstract
The utility model discloses a capacity charge fire-fighting emergency illuminating lamp, which comprises an illuminating light source, an external power source and a battery which are connected with each other, wherein, a voltage reducing rectifying filtering circuit, a return difference low voltage emergency automatic transforming circuit and an emergency transforming circuit are arranged between the light source and the external power source; a light source open-circuit inspection circuit, a status indication circuit and a charging circuit are arranged between the light source and the battery; a short-circuit protection circuit is arranged between the charging circuit and the battery, and the battery is also connected with the charging protection circuit, and both the battery and the charging protection circuit are arranged on one flame-retardant circuit board; the circuit board is also provided with a control key and three LED indication lamps. A resistor R15 is added in the circuit, and the connection among the IC, triode and R14 are optimized, thereby supplying over-charging and over-discharging protection, and resolving the problems that the battery is easy to be discharged and the yellow lamp turns on frequently when in the wet environment; the circuit boards are connected with each other through a socket connector, so that the capacity charge fire-fighting emergency illuminating lamp has more reasonable structure, higher reliability, lower cost and more convenient installation, maintenance and application.
Description
Technical field
The utility model relates to emergency light, specifically is a kind of rechargeable fire-fighting emergency headlamp of electric capacity that adopts.
Background technology
Existing in the market fire-fighting emergency headlamp, general illuminating lamp and emergent change-over circuit, charging circuit, battery and the decompression rectifier filter circuit that all comprises as light source, decompression rectifier filter circuit connects the external power supply circuit, mainly adopts the capacitance decompression working method.This class fire-fighting emergency headlamp is equipped with an IC and two switch test buttons usually in the circuit board, the place bigger or moist in air humidity is prone to leaky, cause the battery over-discharge brownout, yellow trouble light Chang Liang, do not meet relevant national standard (GB17945-2000), and the unit price of IC is higher, and cost is bigger.
The utility model content
At the deficiency of above existing fire-fighting emergency headlamp, the purpose of this utility model provides a kind of discharge protection circuit that is provided with, install easy to connect, the rechargeable fire-fighting emergency headlamp of higher, the lower-cost electric capacity of reliability.
The purpose of this utility model is achieved by the following technical solution:
The rechargeable fire-fighting emergency headlamp of electric capacity; the illumination light source, external power supply and the battery that comprise mutual electrical connection; be connected with decompression rectifier filter circuit, the emergent automatic switching circuit of back difference mode low pressure and emergent change-over circuit between described light source and the external power supply in turn; be connected with light source open detection circuit, condition indication circuit and charging circuit between light source and the battery in turn; also be connected with short-circuit protection circuit between charging circuit and the battery, battery is connected with charge protector simultaneously.
As optimal technical scheme of the present utility model, be connected with charge protector between described charging circuit and the battery.
As optimal technical scheme of the present utility model, described condition indication circuit is connected with battery short circuit and charge circuit short-circuit detecting circuit with the battery open detection circuit respectively.
As optimal technical scheme of the present utility model, described all circuit all are located on the wiring board, also are provided with the LED light of an operating key and red, yellow, green three different colours on the described wiring board.
The beneficial effects of the utility model are: compared with prior art, two switch test buttons that originally were located on the wiring board are changed into a button, in circuit, increase resistance R 15 simultaneously, optimization IC provides with being connected of triode, R14 and overcharges, over, has solved the problem of battery at the easy overdischarge of wet environment, amber light Chang Liang; The utility model adopts fire-retardant wiring board, connects with connector, and more reasonable structure is difficult for leaking electricity, the reliability raising, and the cost reduction is installed, is safeguarded and use is controlled convenient.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing and specific embodiment:
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model.
The specific embodiment
As depicted in figs. 1 and 2; the rechargeable fire-fighting emergency headlamp of electric capacity; the illumination light source, external power supply and the battery that comprise mutual electrical connection; be connected with decompression rectifier filter circuit, the emergent automatic switching circuit of back difference mode low pressure and emergent change-over circuit between described light source and the external power supply in turn; be connected with light source open detection circuit, condition indication circuit and charging circuit between light source and the battery in turn; also be connected with short-circuit protection circuit between charging circuit and the battery, battery is connected with charge protector simultaneously.
In the present embodiment; be connected with charge protector between described charging circuit and the battery; condition indication circuit is connected with battery short circuit and charge circuit short-circuit detecting circuit with the battery open detection circuit respectively; and all circuit all are located on the fire-retardant wiring board, also are provided with the LED light of an operating key and red, yellow, green three different colours on the described wiring board.In circuit, increase resistance R 15, optimize being connected of IC and triode 8550, R14, solved the problem of battery at the easy overdischarge of wet environment, amber light Chang Liang; The utility model adopts connector connection line plate, more reasonable structure, and peripheral cell reduces, the spoilage reduction, the reliability raising, the cost reduction is installed, is safeguarded and use is controlled convenient.
Claims (4)
1, the rechargeable fire-fighting emergency headlamp of a kind of electric capacity; the illumination light source, external power supply and the battery that comprise mutual electrical connection; it is characterized in that: be connected with decompression rectifier filter circuit, the emergent automatic switching circuit of back difference mode low pressure and emergent change-over circuit between described light source and the external power supply in turn; be connected with light source open detection circuit, condition indication circuit and charging circuit between light source and the battery in turn; also be connected with short-circuit protection circuit between charging circuit and the battery, battery is connected with charge protector simultaneously.
2, the rechargeable fire-fighting emergency headlamp of electric capacity according to claim 1 is characterized in that: be connected with charge protector between described charging circuit and the battery.
3, the rechargeable fire-fighting emergency headlamp of electric capacity according to claim 1 is characterized in that: described condition indication circuit is connected with battery short circuit and charge circuit short-circuit detecting circuit with the battery open detection circuit respectively.
4, the rechargeable fire-fighting emergency headlamp of electric capacity according to claim 1 is characterized in that: described all circuit all are located on the wiring board, also are provided with the LED light of an operating key and red, yellow, green three different colours on the described wiring board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202019869U CN201302082Y (en) | 2008-10-17 | 2008-10-17 | Capacity charge fire-fighting emergency illuminating lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202019869U CN201302082Y (en) | 2008-10-17 | 2008-10-17 | Capacity charge fire-fighting emergency illuminating lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201302082Y true CN201302082Y (en) | 2009-09-02 |
Family
ID=41085708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202019869U Expired - Fee Related CN201302082Y (en) | 2008-10-17 | 2008-10-17 | Capacity charge fire-fighting emergency illuminating lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201302082Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103369757A (en) * | 2012-03-28 | 2013-10-23 | 海洋王照明科技股份有限公司 | Portable emergency illuminating lamp and circuit thereof |
-
2008
- 2008-10-17 CN CNU2008202019869U patent/CN201302082Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103369757A (en) * | 2012-03-28 | 2013-10-23 | 海洋王照明科技股份有限公司 | Portable emergency illuminating lamp and circuit thereof |
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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: 20090902 Termination date: 20091117 |