CN201787465U - LED persistent illuminating lamp for mine use - Google Patents
LED persistent illuminating lamp for mine use Download PDFInfo
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- CN201787465U CN201787465U CN2010202893569U CN201020289356U CN201787465U CN 201787465 U CN201787465 U CN 201787465U CN 2010202893569 U CN2010202893569 U CN 2010202893569U CN 201020289356 U CN201020289356 U CN 201020289356U CN 201787465 U CN201787465 U CN 201787465U
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- led
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- led lamp
- switching rectifier
- constant
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Abstract
The utility model discloses an LED persistent illuminating lamp for mine use, which comprises a switch rectifier, a valve control lead acid storage battery, and an LED lamp group provided with a constant-current controller. The switch rectifier comprises an AC distribution module, a high frequency switch rectifying module, a monitoring and display module, etc.; and a constant-current drive circuit arranged in the LED lamp adopts a voltage-reduction switching circuit. The utility model has the advantages of novel structure, low cost, long service life, good electricity-saving effect, high reliability, and easiness in popularization.
Description
Technical field
The utility model relates to a kind of mine LED persistence illuminating lamp.
Background technology
In recent years, undergrounds such as mine so owing in underground operation illuminating lamp is had very high requirement, not only require economize on electricity, high brightness, long-life, also must guarantee the continuation illumination throughout the year.Incandescent lamp commonly used at present, high-pressure mercury lamp etc. all are to be powered by AC network.Power outage also unavoidably appears in the AC network of optimal design.In order to ensure underground persistence illumination, all Emergency Lighting Supply must be installed usually, this power supply partly is made up of rectifier, battery and inverter etc.During the electrical network normal power supply, alternating current becomes direct current and charges a battery behind rectifier, and when the electrical network interruption of power supply, battery becomes alternating current to direct current by inverter, powers to lighting.This lasting illuminator cost is very high, simultaneously, because through repeatedly conversion, power consumption is also bigger.Semi-conductor lighting lamp (LED) by DC power supply is developed rapidly in recent years, this illuminating lamp is than incandescent lamp economize on electricity 90%, higher more than 40% than the luminous intensity of common fluorescent lamp and high-pressure mercury lamp with LED under the constant power, and the life-span of LED lamp can reach 100,000 hours, colour rendering index can reach more than 80, is higher than high-pressure mercury lamp far away.Because adopt the power supply of direct current constant current, the LED lamp can not go out stroboscopic, therefore become at present the best green illumination light fixture that generally acknowledge countries in the world.
The utility model content
The purpose of this utility model is at the deficiencies in the prior art part, a kind of mine LED persistence illuminating lamp is provided, and the problem that exists for underground lighting systems such as present mines provides that a kind of novel structure, cost are low, long service life, power savings is good, reliability is high mine illuminator.
The technical solution of the utility model is: a kind of mine LED persistence illuminating lamp comprises:
Switching rectifier is used for the alternating current of electrical network is become direct current;
Battery is used for stored electric energy;
Led array comprises at least one LED;
It is characterized in that: described switching rectifier partly is made up of AC distribution module, high frequency switching rectifier module, monitoring and display module etc., multichannel high frequency switching rectifier module and monitoring module are connected in parallel between AC distribution module and the display module, monitoring module also is connected with each road high frequency switching rectifier module respectively, and output is connected to local monitor and long-distance monitorng device; The built-in constant-current drive circuit of LED lamp adopts the buck on-off circuit.
The beneficial effects of the utility model are: it can reduce the initial investment of persistence illuminator greatly, because saved the most expensive high power contravariant device of price in the utility model emergency lighting system, system cost approximately reduces by 40%, adopt the LED lamp, can economize on electricity 40%, therefore the capacity of rectifier and battery all can reduce by 40%, the cost of system can also reduce by 20% like this, reduced linear transformation simultaneously, system effectiveness and reliability improve greatly, in addition, the LED lamp can save the AC/DC conversion fraction directly by powered by direct current, and the cost of LED lamp control circuit reduces greatly, the reliability effect maximum of while AC/DC transfer pair LED lamp, save this part circuit, the reliability of every LED lamp will improve greatly, and the life-span also will prolong greatly.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is that the utility model is formed structured flowchart.
The composition structured flowchart of Fig. 2 switching rectifier.
Fig. 3 is a LED constant-current drive circuit circuit diagram.
The specific embodiment
As shown in Figure 1, form structured flowchart, form by the LED lamp of switching rectifier, valve-regulated lead-acid battery, band constant-current controller for the utility model.The main effect of rectifier is that the alternating current with electrical network becomes direct current, so that to charge in batteries with give the power supply of LED lamp.High efficiency switch type rectifier of each place that needs configuration.When battery begins to charge, this rectifier output constant current, when battery voltage reaches setting, switching rectifier is exported constant voltage automatically, supply with LED lamp constant voltage on the one hand, supply with battery floating charge electric current on the other hand, guarantee in the course of work, battery remains the full charge state.
As shown in Figure 2, be the composition structured flowchart of switching rectifier.Switching rectifier partly is made up of AC distribution module, high frequency switching rectifier module, monitoring and display module etc.In order to ensure the switching rectifier reliably working, a plurality of rectification module parallel operations, and adopt the N+1 redundancy electric power supply system.In the course of work, even some modules break down, other modules still can guarantee power supply.Monitoring module can the pilot switch rectifier, the various parameters of batteries and LED.By communication interface, mine control centre can implement remote monitoring to the switching rectifier in each mine place, battery, LED lamp.
The main effect of battery is a stored electric energy, mains supply just often, rectifier charges a battery, in case power failure appears in electrical network, battery can be given the power supply of LED lamp immediately, according to the lighting hours after power that LED is installed in the mine and the requirement assurance power failure, select the capacity of required battery.The kind of battery is a lot, but the capacity of each required battery in mine place is all bigger, therefore should select the lower valve-regulated lead-acid battery of price.Uninterrupted in order to ensure illumination, batteries is preferably selected two groups for use, the one group of usefulness of deciding, and another group is done standby.
The built-in constant-current drive circuit of LED lamp adopts the buck on-off circuit as shown in Figure 3, and this circuit has wide input voltage range, control efficiency advantages of higher.M among the figure
1Be switch adjustment pipe, D
1Be fly-wheel diode, L
1Be afterflow inductance, R
CSBe current sampling resistor.When the electric current that flows through the LED lamp changes, sampling resistor R
CSThe two ends step-down changes, and this voltage is sent into the current feedback pin I of integrated circuit IRS2540
FB, with the reference voltage of inside relatively after, control signal changes switch adjustment pipe M
1The output pulse duty factor, and by fly-wheel diode, afterflow inductance L
1Guarantee the current constant of LED lamp.Bootstrap diode D among the figure
BOOTWith bootstrap capacitor C
BOOTForm high-end boostrap circuit, driving switch adjustment pipe high-frequency work.Diode D
VCC, capacitor C
VCCWith diode D
CLAMPForm power circuit, supply voltage is provided for integrated circuit IRS2540.Diode D
OV, resistance R
OV1, R
OV2Form open loop protection circuit, by diode D
EN1Add pulse signal, can turn-off the LED lamp, also can adjust the brightness of LED lamp.
The LED lamp has constant-current drive circuit, and its effect is that DC input voitage is transformed to the required constant current of LED lamp, guarantees the safe and reliable work of LED lamp.Mine place area is very big, adopt the low-voltage direct technology of transmission of electricity, to produce certain pressure drop on the power transmission line, therefore being added to every voltage on the LED lamp will have certain fluctuation, especially have no progeny in the mains supply, and the mains ripple of battery is bigger, therefore must guarantee that the electric current of all LED lamps all keeps constant by constant-current control circuit, the LED lamp also needs to install the radiator with certain area, could reduce the operating temperature of LED lamp, guarantees that the life-span of LED reached more than 50,000 hours.The lampshade that the LED lamp adopts metallic aluminium to make, lampshade also can be realized the heat sinking function of LED lamp like this.
Claims (1)
1. mine LED persistence illuminating lamp comprises:
Switching rectifier is used for the alternating current of electrical network is become direct current;
Battery is used for stored electric energy;
Led array comprises at least one LED;
It is characterized in that: described switching rectifier partly is made up of AC distribution module, high frequency switching rectifier module, monitoring and display module etc., multichannel high frequency switching rectifier module and monitoring module are connected in parallel between AC distribution module and the display module, monitoring module also is connected with each road high frequency switching rectifier module respectively, and its output is connected to local monitor and long-distance monitorng device; The built-in constant-current drive circuit of LED lamp adopts the buck on-off circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202893569U CN201787465U (en) | 2010-08-06 | 2010-08-06 | LED persistent illuminating lamp for mine use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202893569U CN201787465U (en) | 2010-08-06 | 2010-08-06 | LED persistent illuminating lamp for mine use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201787465U true CN201787465U (en) | 2011-04-06 |
Family
ID=43819427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202893569U Expired - Fee Related CN201787465U (en) | 2010-08-06 | 2010-08-06 | LED persistent illuminating lamp for mine use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201787465U (en) |
-
2010
- 2010-08-06 CN CN2010202893569U patent/CN201787465U/en not_active Expired - Fee Related
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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: 20110406 Termination date: 20160806 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |