CN201507796U - An energy-saving miner's lamp - Google Patents
An energy-saving miner's lamp Download PDFInfo
- Publication number
- CN201507796U CN201507796U CN2009202236028U CN200920223602U CN201507796U CN 201507796 U CN201507796 U CN 201507796U CN 2009202236028 U CN2009202236028 U CN 2009202236028U CN 200920223602 U CN200920223602 U CN 200920223602U CN 201507796 U CN201507796 U CN 201507796U
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- pin
- light source
- lamp holder
- led1
- lamp
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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
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
本实用新型公开了一种运放恒流驱动LED的节能矿灯。主要由灯头、电线、电池盒、LED光源板构成，灯头通过电线连接电池盒，LED光源板设置于灯头内，其光源板由运放电路IC1组成恒流源，在运放电路IC1的同相输入端3脚，加上由R1和D1组成的基准电压，在运放电路IC1的反相输入端2脚通过R3加上R5上端的输出反馈电压；运放电路IC1的1脚经隔离电阻R2驱动场效应管Q1控制流过LED1的正向电流，R4接在Q1的源极、漏极作分流电阻，R5接在Q1与地之间；两个并联的LED2的正极与电阻R6连接，负极与开关K的2脚连接；R6的上端与电源正极连接，LED1与LED2由转换开关K控制。具有电压稳定，制造成本低，光效率高，安全的优点。
The utility model discloses an energy-saving miner's lamp driven by an operational amplifier and a constant current to drive an LED. It is mainly composed of a lamp holder, wires, battery box, and LED light source board. The lamp holder is connected to the battery box through wires, and the LED light source board is set in the lamp holder. The light source board is composed of an operational amplifier circuit IC1 to form a constant current source. Pin 3 of the terminal, plus the reference voltage composed of R1 and D1, the inverting input pin 2 of the operational amplifier circuit IC1 adds the output feedback voltage at the upper end of R5 through R3; pin 1 of the operational amplifier circuit IC1 is driven by the isolation resistor R2 Field effect transistor Q1 controls the forward current flowing through LED1, R4 is connected to the source and drain of Q1 as a shunt resistor, R5 is connected between Q1 and ground; the positive poles of two parallel LED2s are connected to resistor R6, and the negative poles are connected to resistor R6. The 2 pins of the switch K are connected; the upper end of R6 is connected to the positive pole of the power supply, and LED1 and LED2 are controlled by the switch K. The invention has the advantages of stable voltage, low manufacturing cost, high light efficiency and safety.
Description
Technical field
The utility model relates to a kind of lighting device, specifically a kind of energy-saving miner's lamp of amplifier constant-current driving LED.
Background technology
At present, mine lamp is used LED instead by incandescent lamp bulb and is done light source, but the luminous efficiency of LED is to be determined by the forward current size that flows through LED.Used in the past LED mine lamp structure, its LED is with triode control, resistance current limliting and luminous, when cell voltage had fluctuation, the electric current by LED made the luminous efficiency of LED can not get ensureing also along with size variation.
The utility model content
It is stable that task of the present utility model provides a kind of voltage, low cost of manufacture, photoelectric transformation efficiency height, the energy-saving miner's lamp of safety.
For realizing above-mentioned task, technical solution of the present utility model is:
A kind of energy-saving miner's lamp, mainly constitute by lamp holder, electric wire, battery case, led light source plate, lamp holder connects battery case by electric wire, the led light source plate is arranged in the lamp holder, its light source board is formed constant-current source by discharge circuit IC1, in-phase input end 3 pin at discharge circuit IC1 add the reference voltage of being made up of R1 and D1, add the output feedback voltage of R5 upper end by R3 at inverting input 2 pin of discharge circuit IC1; 1 pin of discharge circuit IC1 drives the forward current that LED1 is flow through in FET Q1 control through isolation resistance R2, and R4 is connected on source electrode, the drain electrode of Q1 and makes shunt resistance, and R5 is connected between Q1 and the ground; The positive pole of the LED2 of two parallel connections is connected with resistance R 6, and negative pole is connected with 2 pin of K switch; The upper end of R6 is connected with positive source, and LED1 and LED2 are controlled by change-over switch K.
It is stable to the utlity model has voltage, low cost of manufacture, and the optical efficiency height, non-maintaining, the advantage that safety is easy to carry.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
The specific embodiment
As shown in Figure 1, a kind of energy-saving miner's lamp, constitute by lamp holder, electric wire, battery case, led light source plate, lamp holder connects battery case by electric wire, the led light source plate is arranged in the lamp holder, and its light source board is formed constant-current source by discharge circuit IC1, at in-phase input end 3 pin of discharge circuit IC1, add the reference voltage of forming by R1 and D1, add the output feedback voltage of R5 upper end at inverting input 2 pin of discharge circuit IC1 by R3; 1 pin of discharge circuit IC1 drives the forward current that LED1 is flow through in FET Q1 control through isolation resistance R2, R4 is connected on source electrode, the drain electrode of Q1 and makes shunt resistance, R5 is connected between Q1 and the ground, the positive pole of the LED2 of two parallel connections is connected with current-limiting resistance R6, negative pole is connected with 2 pin of K switch, and the upper end of R6 is connected with positive source.
LED1 is a key light, and LED2 is auxilliary light, and LED1 and LED2 are controlled by change-over switch K.When K connected 1, IC1 got electric work, and R1, D1 produce reference voltage and be added in amplifier IC1 in-phase end 3 pin; Amplifier end of oppisite phase 2 pin are gathered voltage on the key light loop R5 voltage of making comparisons by R3, and amplifier 1 pin drives that the constant current of key light LED1 is flow through in FET Q1 control and luminous through R2.Reduce at cell voltage, when key light LED1 electric current was reduced, the last pressure drop of R5 reduced, and the 2 pin comparative voltages that feed back to IC1 reduce, and 1 pin of IC1 will be exported the electric current increase that LED1 is flow through in higher voltage drives FET Q1 control; If cell voltage rising, steady flow process are in contrast, thereby it is constant to reach the current constant that flows through LED1.
Claims (1)
1. energy-saving miner's lamp, comprise lamp holder, electric wire, battery case, led light source plate, lamp holder connects battery case by electric wire, the led light source plate is arranged in the lamp holder, it is characterized in that: light source board is formed constant-current source by discharge circuit IC1, in-phase input end 3 pin at discharge circuit IC1 add the reference voltage of being made up of R1 and D1, add the output feedback voltage of R5 upper end by R3 at inverting input 2 pin of discharge circuit IC1; 1 pin of discharge circuit IC1 drives the forward current that LED1 is flow through in FET Q1 control through isolation resistance R2, and R4 is connected on source electrode, the drain electrode of Q1 and makes shunt resistance, and R5 is connected between Q1 and the ground; The positive pole of the LED2 of two parallel connections is connected with resistance R 6, and negative pole is connected with 2 pin of K switch; The upper end of R6 is connected with positive source, and LED1 and LED2 are controlled by change-over switch K.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202236028U CN201507796U (en) | 2009-09-21 | 2009-09-21 | An energy-saving miner's lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202236028U CN201507796U (en) | 2009-09-21 | 2009-09-21 | An energy-saving miner's lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201507796U true CN201507796U (en) | 2010-06-16 |
Family
ID=42468923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202236028U Expired - Fee Related CN201507796U (en) | 2009-09-21 | 2009-09-21 | An energy-saving miner's lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201507796U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103037569A (en) * | 2011-09-30 | 2013-04-10 | 朗捷科技股份有限公司 | Shunting type alternating current LED drive circuit |
| CN103249216A (en) * | 2012-02-06 | 2013-08-14 | 朗捷科技股份有限公司 | Alternating current LED drive circuit for high-voltage alternating current power supply |
| CN103335269A (en) * | 2013-06-13 | 2013-10-02 | 苏州大学 | Intelligent photovoltaic LED lighting device |
| CN110324942A (en) * | 2019-08-10 | 2019-10-11 | 重庆梅安森科技股份有限公司 | Intelligent mine lamp |
-
2009
- 2009-09-21 CN CN2009202236028U patent/CN201507796U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103037569A (en) * | 2011-09-30 | 2013-04-10 | 朗捷科技股份有限公司 | Shunting type alternating current LED drive circuit |
| CN103249216A (en) * | 2012-02-06 | 2013-08-14 | 朗捷科技股份有限公司 | Alternating current LED drive circuit for high-voltage alternating current power supply |
| CN103335269A (en) * | 2013-06-13 | 2013-10-02 | 苏州大学 | Intelligent photovoltaic LED lighting device |
| CN110324942A (en) * | 2019-08-10 | 2019-10-11 | 重庆梅安森科技股份有限公司 | Intelligent mine lamp |
| CN110324942B (en) * | 2019-08-10 | 2024-05-28 | 重庆梅安森科技股份有限公司 | Intelligent miner's lamp |
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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: 20100616 Termination date: 20130921 |