CN202524588U - Mining LED lamp with ultra-wide working voltage - Google Patents
Mining LED lamp with ultra-wide working voltage Download PDFInfo
- Publication number
- CN202524588U CN202524588U CN2011205608138U CN201120560813U CN202524588U CN 202524588 U CN202524588 U CN 202524588U CN 2011205608138 U CN2011205608138 U CN 2011205608138U CN 201120560813 U CN201120560813 U CN 201120560813U CN 202524588 U CN202524588 U CN 202524588U
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- CN
- China
- Prior art keywords
- led lamp
- circuit
- housing
- working voltage
- mining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The present utility model relates to a mining LED lamp with ultra-wide working voltage. The LED lamp comprises a shell body, a glass lampshade, an LED plate and a power panel assembly, and the glass lampshade is fixed on the shell body through a pressure plate. The power panel assembly comprises a rectification filter circuit, a switch power supply circuit and a constant current source circuit, a power supply voltage with a range from AC 20V to 265V is input to the rectification filter circuit, an output of the rectification filter circuit is connected with the switch power supply circuit, the switch power supply circuit is used for outputting a driving power supply voltage with a range from 12V to 18V, and the constant current source circuit is used for outputting 700mA constant current. By adopting the mining LED lamp, even if voltage of the LED lamp of the line tail end is reduced below 20 V because of line voltage drop, the LED lamp can still be normally lighted, and the stroboscopic or dead light phenomenon will never occur. The power panel assembly is simple and reasonable in structure, the mining LED lamp has wide practicality, costs are saved, time and manpower are saved, and workload of on-site use is reduced.
Description
Technical field
The utility model relates to lighting device, particularly a kind of mining LED lamp with super wide working voltage.
Background technology
Mining LED lamp is mainly used in the place that colliery, metallic ore, tunnel, subway etc. need illumination.
At present; There is following problem for exchanging 80-260V in the operating voltage range of the LED lamp that use in domestic colliery in using at the scene: when the lamp that connects on the same line reaches some or reaches certain distance, because line pressure falls; Stroboscopic or the some phenomenon that do not work can appear at one of this line end or multi-lamp; At this moment, can find the equal low-voltage alternating-current 80V of voltage if remove to measure on these lamps voltage with voltmeter; That have even be low to moderate AC20V, the LED lamp has been operated in it and has allowed outside operating voltage range.The method of this problem of in-situ processing is: put a three-core cable again to the lamp place that stroboscopic or point do not work occurring, or near power taking these lamps nearby again.Particularly the lamp that stroboscopic or point do not work occurs just to several sometimes, will put several one hundred meters cables again.Work under hard conditions under the coal mine, put this several one hundred meters cables, 2-3 people will spend several days time to accomplish.The shortcoming of above-mentioned solution is: though can deal with problems like this, unwrapping wire had both increased cost again, increased workload again.
The utility model content
The purpose of the utility model is exactly the above-mentioned defective that will overcome prior art, and a kind of power panel assembly simple in structure that has is provided, and cost is low, can reduce the mining LED lamp with super wide working voltage of the workload in on-the-spot the use.
For achieving the above object; The mining LED lamp that the utility model provides with super wide working voltage; Comprise housing, glass lamp shade and be installed in led board and the power panel assembly in the said housing, said glass lamp shade is fixed on the said housing through platen, and wherein said power panel assembly comprises current rectifying and wave filtering circuit, switching power circuit and constant-current source circuit; Scope is imported said current rectifying and wave filtering circuit for the supply voltage that exchanges 20V-265V; The output of said current rectifying and wave filtering circuit inserts said switching power circuit, the driving power voltage that said switching power circuit output area is 12V-18V, the continuous current of said constant-current source circuit output 700mA.
The utlity model has the mining LED lamp of super wide working voltage, wherein said current rectifying and wave filtering circuit is made up of rectifier bridge and electric capacity, and said switching power circuit is a pulse transformer coupled switch power circuit, and said constant-current source circuit adopts the constant-current source chip to constitute.
The utlity model has the mining LED lamp of super wide working voltage; Reflector, heating panel and terminal block are installed in the wherein said housing; Said reflector is installed in the rear of said led board; Said heating panel is installed in the rear of said reflector, and said terminal block is installed in the rear portion of said housing, and the rear portion of said housing is provided with the wiring letter.
The utlity model has the mining LED lamp of super wide working voltage, the rear portion of wherein said housing is provided with the bonnet with its flexible connection, and said bonnet is provided with handle.
The advantage and the good effect that the utlity model has the mining LED lamp of super wide working voltage are: owing to be provided with the power panel assembly that comprises current rectifying and wave filtering circuit, switching power circuit and constant-current source circuit; When falling owing to line pressure; The LED lamp that is added in line end powers on and forces down to 20V when following; Use the mining LED lamp of the utility model, still can normally light, stroboscopic or the some phenomenon that do not work can not occur.Power panel modular construction advantages of simple in the utility model makes the mining LED light fixture of the utility model that practicality widely arranged, and has both practiced thrift cost, has saved time and manpower again, has reduced the workload in the on-the-spot use.
To combine embodiment to be elaborated below with reference to accompanying drawing.
Description of drawings
Fig. 1 is the structure cutaway view that the utlity model has the mining LED lamp of super wide working voltage;
Fig. 2 is the circuit theory diagrams of power panel assembly.
Embodiment
Specify the embodiment of the mining LED lamp that the utlity model has super wide working voltage below in conjunction with accompanying drawing.
With reference to Fig. 1, wherein: the 1-housing; The 2-platen; The 3-LED plate; The 4-glass lamp shade; The 5-reflector; The 6-heating panel; 7-power panel assembly; 8-wiring letter; The 9-terminal block; The 10-handle; The 11-bonnet.
The mining LED lamp that the utlity model has super wide working voltage comprises housing 1, glass lamp shade 4 and is installed in led board 3 and the power panel assembly 7 in the housing 1 that glass lamp shade 4 is fixed on the housing 1 through platen 2.Reflector 5, heating panel 6 and terminal block 9 are installed in the housing 1, and reflector 5 is installed in the rear of led board 3, and heating panel 6 is installed in the rear of reflector 5, and terminal block 9 is installed in the rear portion of housing 1, and the rear portion of housing 1 is provided with wiring letter 8.The rear portion of housing 1 is provided with the bonnet 11 with its flexible connection, and bonnet 11 is provided with handle 10.
With reference to Fig. 2, power panel assembly 7 comprises current rectifying and wave filtering circuit, switching power circuit and constant-current source circuit.Current rectifying and wave filtering circuit is made up of rectifier bridge BD1-4 and capacitor C 5.Switching power circuit is a pulse transformer coupled switch power circuit, and by chip U1 and chip U2, pulse transformer B1 and triode T1 form.Constant-current source circuit adopts constant-current source chip U3 to constitute.
Scope is for exchanging the supply voltage input rectifying filter circuit of 20V-265V, and the output of current rectifying and wave filtering circuit inserts switching power circuit, and the switching power circuit output area is the driving power voltage of 12V-18V, the continuous current of constant-current source circuit output 700mA.
Use the mining LED lamp of the utility model; Owing to be provided with the power panel assembly that comprises current rectifying and wave filtering circuit, switching power circuit and constant-current source circuit; When the lamp that connects on the same line reached some or reaches certain distance, because line pressure falls, the LED lamp that is added in this line end powered on and forces down to 20V when following; The LED lamp still can normally be lighted, and stroboscopic or the some phenomenon that do not work can not occur.
Embodiment recited above describes the preferred implementation of the utility model, is not that design and scope to the utility model limits.Under the prerequisite that does not break away from the utility model design concept; Various modification and improvement that this area ordinary person makes the technical scheme of the utility model; All should drop into the protection range of the utility model; The technology contents that the utility model is asked for protection all is documented in claims.
Claims (4)
1. mining LED lamp with super wide working voltage; Comprise housing (1), glass lamp shade (4) and be installed in led board (3) and the power panel assembly (7) in the said housing (1); Said glass lamp shade (4) is fixed on the said housing (1) through platen (2); It is characterized in that: wherein said power panel assembly (7) comprises current rectifying and wave filtering circuit, switching power circuit and constant-current source circuit; Scope is imported said current rectifying and wave filtering circuit for the supply voltage that exchanges 20V-265V; The output of said current rectifying and wave filtering circuit inserts said switching power circuit, the driving power voltage that said switching power circuit output area is 12V-18V, the continuous current of said constant-current source circuit output 700mA.
2. the mining LED lamp with super wide working voltage according to claim 1; It is characterized in that: wherein said current rectifying and wave filtering circuit is made up of rectifier bridge (BD1-BD4) and electric capacity (C5); Said switching power circuit is a pulse transformer coupled switch power circuit, and said constant-current source circuit adopts constant-current source chip (U3) to constitute.
3. the mining LED lamp with super wide working voltage according to claim 1 and 2; It is characterized in that: reflector (5), heating panel (6) and terminal block (9) are installed in the wherein said housing (1); Said reflector (5) is installed in the rear of said led board (3); Said heating panel (6) is installed in the rear of said reflector (5), and said terminal block (9) is installed in the rear portion of said housing (1), and the rear portion of said housing (1) is provided with wiring letter (8).
4. the mining LED lamp with super wide working voltage according to claim 3 is characterized in that: the rear portion of wherein said housing (1) is provided with the bonnet (11) with its flexible connection, and said bonnet (11) is provided with handle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205608138U CN202524588U (en) | 2011-12-29 | 2011-12-29 | Mining LED lamp with ultra-wide working voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205608138U CN202524588U (en) | 2011-12-29 | 2011-12-29 | Mining LED lamp with ultra-wide working voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202524588U true CN202524588U (en) | 2012-11-07 |
Family
ID=47107512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205608138U Expired - Fee Related CN202524588U (en) | 2011-12-29 | 2011-12-29 | Mining LED lamp with ultra-wide working voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202524588U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103025033A (en) * | 2013-01-11 | 2013-04-03 | 淮南市矿用电器设备有限责任公司 | Universal mining LED lamp driver |
-
2011
- 2011-12-29 CN CN2011205608138U patent/CN202524588U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103025033A (en) * | 2013-01-11 | 2013-04-03 | 淮南市矿用电器设备有限责任公司 | Universal mining LED lamp driver |
| CN103025033B (en) * | 2013-01-11 | 2015-01-28 | 淮南市矿用电器设备有限责任公司 | Universal mining LED lamp driver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20151229 |
|
| EXPY | Termination of patent right or utility model |