CN202915227U - Mining low-power-consumption emergency LED (Light-Emitting Diode) lighting device - Google Patents
Mining low-power-consumption emergency LED (Light-Emitting Diode) lighting device Download PDFInfo
- Publication number
- CN202915227U CN202915227U CN201220679932XU CN201220679932U CN202915227U CN 202915227 U CN202915227 U CN 202915227U CN 201220679932X U CN201220679932X U CN 201220679932XU CN 201220679932 U CN201220679932 U CN 201220679932U CN 202915227 U CN202915227 U CN 202915227U
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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 utility model relates to a mining low-power-consumption emergency LED (Light-Emitting Diode) lighting device which comprises a voltage transformation rectifying and voltage-stabilizing circuit, a constant current circuit, a voltage-stabilizing charging circuit, and an LED lamp group, wherein the constant current circuit provides a power supply for the LED lamp group; the voltage-stabilizing charging circuit charges a storage battery by a charging resistor R1, a backflow-preventive diode D1 and a current-limiting resistor R2; connecting nodes of the backflow-preventive diode D1 and the current-limiting resistor R2 are connected with an emitter electrode of an Q1; a collector electrode of the Q1 is connected with one node of series connected LEDs of the LED lamp group; a base electrode of the Q1 is connected with biasing resistors R3 and R4; and the connecting nodes of the R3 and R4 are connected with a positive output end of the voltage-stabilizing charging circuit. According to the mining low-power consumption emergency LED lighting device, a daily lighting lamp and an emergency lamp are combined as a whole, a part of LEDs driven by the storage battery emit light in power failure so as to implement emergency lighting, the radiation area is large, the problem that the time for driving all LEDs to light is short can be avoided, and the cost is lower as the daily lighting lamp and the emergency lamp are combined as a whole.
Description
Technical field
The utility model relates to a kind of colliery illuminations, particularly relates to a kind of mining low-power consumption emergency LED lighting device.
Background technology
In coal production, work and mainly concentrate in the underworkings, illumination is to produce the necessary condition of carrying out in order, and emergency lighting is even more important to support personnel's safety and repairing when outage and burst accident, and existing emergency lighting mostly is stand alone type, lighting area is little, is unfavorable for withdrawing and rushing to repair.
The utility model content
In order to address the above problem, the utility model combines emergency lighting with conventional illumination, a kind of mining low-power consumption emergency LED lighting device is provided.
The technical solution adopted in the utility model is: a kind of mining low-power consumption emergency LED lighting device, comprise transformation regulator rectifier circuit, constant-current circuit, voltage stabilizing charging circuit, LED lamp group, it is characterized in that high-tension electricity is through switch input transformation regulator rectifier circuit output dc low-voltage electricity, the dc low-voltage electricity is fed to constant-current circuit and voltage stabilizing charging circuit, constant-current circuit provides power supply for LED lamp group, and LED lamp group is the LED of some series connection; The voltage stabilizing charging circuit positive output end is serially connected with charging resistor R1, counterflow-preventing diode D1, current-limiting resistance R2 and battery successively, and battery terminal negative is connected with transformation regulator rectifier circuit negative output terminal; Counterflow-preventing diode D1 is connected the Q1 emitter stage with current-limiting resistance R2 connected node, and the Q1 colelctor electrode links to each other with a node of LED lamp group series LED, and the Q1 base stage is connected with biasing resistor R3 and R4, and R3 links to each other with the voltage stabilizing charging circuit positive output end with the R4 connected node.
Described Q1 colelctor electrode is connected with diode cathode, and this diode cathode links to each other with the node of series LED on the LED lamp group again.
Described transformation regulator rectifier circuit places in the explosion-proof casing, and wire is drawn explosion-proof casing by fairlead.
Described constant-current circuit, voltage stabilizing charging circuit, LED lamp group and battery place in the explosion-proof casing, and wire is drawn explosion-proof casing by fairlead.
Described battery is lithium battery.
String has positive temperature coefficient resistor between described battery positive voltage and Q1 emitter stage.
Described nominal battery voltage is higher than the voltage of Q1 colelctor electrode and series LED connected node.Described constant-current circuit, voltage stabilizing charging circuit, LED lamp group are more than the two-way.
The utility model illuminator adopts LED, the unit power lumen is high, energy-conserving and environment-protective are combined as a whole normal lighting light fixture and emergency luminaire, and are luminous by battery drive part LED when outage, implement emergency lighting, irradiated area is large, has also avoided simultaneously driving the short problem of whole LED lighting hours, is satisfying more lasting that battery is used, saves energy, normal lighting light fixture and the emergency luminaire cost that is combined as a whole is lower.
Description of drawings
Fig. 1 is the utility model schematic diagram.
The specific embodiment
The utility model embodiment as shown in Figure 1, this is mining, and low-power consumption emergency LED lighting device is provided with transformation regulator rectifier circuit, constant-current circuit, voltage stabilizing charging circuit, LED lamp group, high-tension electricity is through switch input transformation regulator rectifier circuit output dc low-voltage electricity, transformation adopts transformer or Switching Power Supply, the dc low-voltage electricity is fed to constant-current circuit and voltage stabilizing charging circuit, constant-current circuit provides power supply for LED lamp group, and LED lamp group is the LED of some series connection; The voltage stabilizing charging circuit positive output end is serially connected with charging resistor R1, counterflow-preventing diode D1, current-limiting resistance R2 and battery successively, voltage stabilizing charging circuit is that three terminal regulator can adopt 78XX series, its output provides charging current through charging resistor R1 for battery, battery terminal negative is connected with transformation regulator rectifier circuit negative output terminal, and battery is lithium battery; Counterflow-preventing diode D1 is connected the Q1 emitter stage with current-limiting resistance R2 connected node, and the Q1 colelctor electrode links to each other with a node of LED lamp group series LED, and the Q1 base stage is connected with biasing resistor R3 and R4, and R3 links to each other with the voltage stabilizing charging circuit positive output end with the R4 connected node; Q1 base stage high potential Q1 is in cut-off state during normal illumination, voltage stabilizing charging circuit is charge in batteries by charging resistor R1, counterflow-preventing diode D1, current-limiting resistance R2, Q1 base stage electronegative potential Q1 conducting during outage, drive the colelctor electrode connected node to the LED of power cathode by battery through current-limiting resistance R2, Q1 emitter stage, Q1 colelctor electrode, counterflow-preventing diode D1 prevents battery inverse put electricity; The voltage stabilizing charging circuit output voltage is a little more than the voltage of Q1 colelctor electrode and LED node during normal illumination, and nominal battery voltage is higher than the voltage stabilizing charging circuit output voltage, is conducive to prolong battery; The transformation regulator rectifier circuit places in the explosion-proof casing, and wire is drawn explosion-proof casing by fairlead; Constant-current circuit, voltage stabilizing charging circuit, LED lamp group and battery place in the explosion-proof casing, and wire is drawn explosion-proof casing by fairlead; When the utility model uses, because battery is not that the whole LED of driving are luminous when outage, but drive part LED is luminous as required, implement emergency lighting and normal illumination and have same irradiated area, though light and normal illumination are weak, but still can satisfy the emergency lighting demand, the time of but having saved power consumption and emergency lighting being continued is longer, make more lasting that battery uses, for withdrawing, safeguard, speedily carry out rescue work the condition that provides, the cost that simultaneously normal lighting light fixture and emergency luminaire is combined as a whole is lower, and battery also can suitably reduce capacity to fall cost.
The Q1 colelctor electrode can be connected with diode cathode when the utility model is implemented, this diode cathode again with LED lamp group on the node of series LED link to each other the isolation of power supply during for normal illumination; String has positive temperature coefficient resistor between anode and Q1 emitter stage, is used for the battery overcurrent protection; Improve transformation regulator rectifier circuit power and can connect the above constant-current circuit of two-way, voltage stabilizing charging circuit, LED lamp group.
Claims (8)
1. mining low-power consumption emergency LED lighting device, comprise transformation regulator rectifier circuit, constant-current circuit, voltage stabilizing charging circuit, LED lamp group, it is characterized in that high-tension electricity is through switch input transformation regulator rectifier circuit output dc low-voltage electricity, the dc low-voltage electricity is fed to constant-current circuit and voltage stabilizing charging circuit, constant-current circuit provides power supply for LED lamp group, and LED lamp group is the LED of some series connection; The voltage stabilizing charging circuit positive output end is serially connected with charging resistor R1, counterflow-preventing diode D1, current-limiting resistance R2 and battery successively, and battery terminal negative is connected with transformation regulator rectifier circuit negative output terminal; Counterflow-preventing diode D1 is connected the Q1 emitter stage with current-limiting resistance R2 connected node, and the Q1 colelctor electrode links to each other with a node of LED lamp group series LED, and the Q1 base stage is connected with biasing resistor R3 and R4, and R3 links to each other with the voltage stabilizing charging circuit positive output end with the R4 connected node.
2. mining low-power consumption emergency LED lighting device according to claim 1 is characterized in that described Q1 colelctor electrode is connected with diode cathode, and this diode cathode links to each other with the node of series LED on the LED lamp group again.
3. mining low-power consumption emergency LED lighting device according to claim 1 and 2 is characterized in that described transformation regulator rectifier circuit places in the explosion-proof casing, and wire is drawn explosion-proof casing by fairlead.
4. mining low-power consumption emergency LED lighting device according to claim 1 and 2 is characterized in that described constant-current circuit, voltage stabilizing charging circuit, LED lamp group and battery place in the explosion-proof casing, and wire is drawn explosion-proof casing by fairlead.
5. mining low-power consumption emergency LED lighting device according to claim 1 and 2 is characterized in that described battery is lithium battery.
6. mining low-power consumption emergency LED lighting device according to claim 1 and 2 is characterized in that string has positive temperature coefficient resistor between described battery positive voltage and Q1 emitter stage.
7. mining low-power consumption emergency LED lighting device according to claim 1 and 2 is characterized in that described nominal battery voltage is higher than the voltage of Q1 colelctor electrode and series LED connected node.
8. mining low-power consumption emergency LED lighting device according to claim 1 and 2 is characterized in that described constant-current circuit, voltage stabilizing charging circuit, LED lamp group are more than the two-way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220679932XU CN202915227U (en) | 2012-12-12 | 2012-12-12 | Mining low-power-consumption emergency LED (Light-Emitting Diode) lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220679932XU CN202915227U (en) | 2012-12-12 | 2012-12-12 | Mining low-power-consumption emergency LED (Light-Emitting Diode) lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202915227U true CN202915227U (en) | 2013-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220679932XU Expired - Fee Related CN202915227U (en) | 2012-12-12 | 2012-12-12 | Mining low-power-consumption emergency LED (Light-Emitting Diode) lighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202915227U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106508851A (en) * | 2016-10-27 | 2017-03-22 | 广西大学 | Rechargeable electronic mosquito eradication bat |
-
2012
- 2012-12-12 CN CN201220679932XU patent/CN202915227U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106508851A (en) * | 2016-10-27 | 2017-03-22 | 广西大学 | Rechargeable electronic mosquito eradication bat |
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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: 20130501 Termination date: 20151212 |
|
| EXPY | Termination of patent right or utility model |