CN112512175A - Constant-current LED driving power supply - Google Patents
Constant-current LED driving power supply Download PDFInfo
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- CN112512175A CN112512175A CN202011174606.9A CN202011174606A CN112512175A CN 112512175 A CN112512175 A CN 112512175A CN 202011174606 A CN202011174606 A CN 202011174606A CN 112512175 A CN112512175 A CN 112512175A
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- power supply
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- 238000005286 illumination Methods 0.000 claims abstract description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 230000006698 induction Effects 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 6
- 230000001960 triggered effect Effects 0.000 abstract description 3
- 230000005288 electromagnetic effect Effects 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 4
- 238000005381 potential energy Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/345—Current stabilisation; Maintaining constant current
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The invention discloses a constant current LED driving power supply, which comprises an installation seat, wherein a support column is fixedly installed at the top of the installation seat, a solar power supply is fixedly installed at the top of the support column, a support frame is fixedly installed at the top of the right side wall of the support column, an LED street lamp is fixedly installed at the right end of the support frame, a constant current output device is fixedly installed at the top of the front surface of the support column, the constant current output device comprises an alternating current power supply inside, the outer walls of the alternating current power supply and the solar power supply are connected in series with a switch switching unit, when the working temperature of the constant current output device is continuously increased to a preset value, the circuit output is turned off through a PWM control unit, the purpose of protecting the constant current output device is achieved, when the illumination is good, an illumination induction unit is triggered to send an action instruction to the PWM control unit, the illumination induction unit stops acting, and the circuit is restored to a conducting state through the PWM control unit.
Description
Technical Field
The invention relates to the technical field of LED driving power supplies, in particular to a constant-current LED driving power supply.
Background
The LED is a common light-emitting device, emits light by energy released by recombination of electrons and holes, and is widely applied to the field of illumination. The LED can efficiently convert electric energy into light energy, and has wide application in modern society, such as illumination, flat panel display, medical devices and the like. The LED driving power supply is a power converter for converting a power supply into a specific voltage and current to drive the LED to emit light, and as the society continues to progress, the demand of people on the LED driving power supply is also increasing.
Traditional LED street lamp equipment, the alternating current power supply of generally adopting, the unable real time monitoring output current of its LED constant current drive power supply, when external voltage output is unusual, cause the circuit to damage easily, and do not have stand-by power supply circuit, can not in time supply power, there is certain potential safety hazard, LED street lamp constant current drive power supply can't form intelligent processing to the problem that all ring edge borders's light, temperature etc. produced simultaneously, the use cost of LED street lamp has been improved, cause the wasting of resources, therefore, technical personnel in the field provide a constant current LED drive power supply, in order to solve the problem that proposes among the above-mentioned background art.
Disclosure of Invention
The invention aims to provide a constant-current LED driving power supply, which aims to solve the problems that the conventional driving power supply provided in the background art does not have a standby power supply circuit, cannot supply power in time and has certain potential safety hazards, and meanwhile, the constant-current driving power supply of an LED street lamp cannot intelligently treat the problems of light, temperature and the like of the surrounding environment, so that the use cost of the LED street lamp is increased, and the problem of resource waste is caused.
In order to achieve the purpose, the invention provides the following technical scheme:
a constant-current LED driving power supply comprises a mounting seat, wherein a support column is fixedly mounted at the top of the mounting seat, a solar power supply is fixedly mounted at the top of the support column, a support frame is fixedly mounted at the top of the right side wall of the support column, an LED street lamp is fixedly mounted at the right end of the support frame, a constant-current output device is fixedly mounted at the top of the front of the support column, an alternating-current power supply is arranged in the constant-current output device, the outer walls of the alternating-current power supply and the solar power supply are connected in series with a switch switching unit, the switch switching unit comprises an iron core, the outer wall of the iron core is wound and connected with a coil, a lower socket is connected in series at the top of the coil, a rotating shaft is arranged above the iron core, the right side wall of the rotating shaft is rotatably connected with, an upper plug is arranged at the right end of the upper side wall of the armature, an upper socket is arranged above the upper plug, an anti-surge unit is connected in series with the outside of the switch switching unit, a rectifying and filtering unit is connected in series with the outside of the anti-surge unit, a PWM control unit is connected in series with the outside of the rectifying and filtering unit, the PWM control unit is connected in series with a constant current output device, and the constant current output device is connected in series with the LED street lamp.
As a further scheme of the invention: the support frame is the triangle-shaped structure, be provided with the nut between the left side wall of support frame and the support column, through the support frame that sets up the triangle-shaped structure, improve the stability of installation.
As a still further scheme of the invention: one end of the solar power supply is connected with the upper plug in series, the other end of the solar power supply is connected with the LED street lamp in series, the back face of the upper socket is connected with the LED street lamp in series, when the alternating current power supply is powered off, the iron core loses magnetism at the moment and does not attract the armature, the armature is stretched to deflect anticlockwise under the action of elastic potential energy of the spring, and the upper plug is combined with the upper socket at the moment, so that the solar power supply supplies power to the LED street lamp.
As a still further scheme of the invention: the back of the lower plug is connected with the LED street lamp in series, the positive pole of the alternating current power supply is connected with the bottom of the coil in series, the negative pole of the alternating current power supply is connected with the LED street lamp in series to electrify the alternating current power supply, the coil is electrified to generate an electromagnetic effect, and the armature iron overcomes the tensile force of the spring and is attracted to the iron core under the action of electromagnetic force attraction, so that the lower plug and the lower socket are driven to attract, and power is supplied.
As a still further scheme of the invention: the LED constant current output device is characterized in that a temperature sensing unit is connected to the outside of the PWM control unit in series and comprises a temperature sensor and a temperature control module, an illumination sensing unit is connected to the outside of the PWM control unit in series, the temperature sensing unit detects the working temperature of the constant current output device in real time and sends the detected temperature value to the PWM control unit for analysis, when the working temperature of the constant current output device is continuously increased to a preset value, the PWM control unit is used for switching off circuit output to protect the constant current output device, when the illumination is good, the illumination sensing unit is triggered to send an action instruction to the PWM control unit to stop circuit output, resource waste is reduced, when the illumination is insufficient, the illumination sensing unit stops acting, and the PWM control unit is used for restoring the circuit to be in a conduction state.
Compared with the prior art, the invention has the beneficial effects that:
1. install the mount pad to ground, switch on alternating current power supply, the coil circular telegram produces electromagnetic effect this moment, armature will overcome the pulling force of spring under the effect of electromagnetic force attraction and inhale to the iron core, thereby drive plug and lower socket actuation down, supply power, when alternating current power supply outage, the iron core loses magnetism this moment, no longer attract armature, because spring elastic potential energy effect, tensile armature counter-clockwise deflection, the plug combines with last socket this moment, thereby solar power supply supplies power to the LED street lamp, use through alternating current power supply and solar power supply's cooperation, through the automatic adjustment of switch switching unit, in time supply power to the LED street lamp, the potential safety hazard that no stand-by power supply caused when preventing alternating current power supply from damaging.
2. After the current is connected into the circuit, the circuit is subjected to high-voltage protection through the anti-surge unit and the rectifying and filtering unit, the LED street lamp is prevented from being burnt out due to overhigh voltage, the output current is monitored in real time through the PWM control unit, the output current is safer and more reliable, and the current enters the LED street lamp through the constant-current output device to supply power.
3. The working temperature of the constant current output device is detected in real time through the temperature sensing unit, the detected temperature value is sent to the PWM control unit for analysis, when the working temperature of the constant current output device is continuously increased to a preset value, the circuit output is turned off through the PWM control unit, the purpose of protecting the constant current output device is achieved, when the illumination is good, the illumination induction unit is promoted to send an action instruction to the PWM control unit, the circuit output is stopped, the resource waste is reduced, when the illumination is insufficient, the illumination induction unit stops acting, and the circuit is restored to a conduction state through the PWM control unit.
Drawings
Fig. 1 is a schematic structural diagram of a constant current LED driving power supply.
Fig. 2 is a schematic circuit structure diagram of an ac power supply and a solar power supply in a constant current LED driving power supply.
Fig. 3 is a schematic diagram of an armature structure in a constant current LED driving power supply.
In the figure: 1. a mounting seat; 2. a support pillar; 3. a solar power supply; 4. a constant current output device; 5. a support frame; 6. an LED street lamp; 7. an alternating current power supply; 8. a switch switching unit; 9. an anti-surge unit; 10. a rectification filter unit; 11. a temperature sensing unit; 12. a PWM control unit; 13. an illumination sensing unit; 14. a rotating shaft; 15. an armature; 16. an upper plug; 17. a lower plug; 18. a lower socket; 19. an upper socket; 20. a coil; 21. an iron core; 22. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, in the embodiment of the invention, a constant current LED driving power supply includes an installation base 1, a support pillar 2 is fixedly installed on the top of the installation base 1, a solar power supply 3 is fixedly installed on the top of the support pillar 2, a support frame 5 is fixedly installed on the top of the right side wall of the support pillar 2, the support frame 5 is in a triangular structure, a nut is arranged between the left side wall of the support frame 5 and the support pillar 2, the installation stability is improved by arranging the support frame 5 in the triangular structure, an LED street lamp 6 is fixedly installed on the right end of the support frame 5, a constant current output device 4 is fixedly installed on the top of the front side of the support pillar 2, the interior of the constant current output device 4 includes an ac power supply 7, the ac power supply 7 and the outer wall of the solar power supply 3 are connected in series with a switch switching unit 8, the switch switching unit 8, a rotating shaft 14 is arranged above an iron core 21, the right side wall of the rotating shaft 14 is rotatably connected with an armature 15, a spring 22 is arranged at the top of the armature 15, a lower plug 17 is arranged at the position, opposite to a lower socket 18, of the right end of the lower side wall of the armature 15, an upper plug 16 is arranged at the right end of the upper side wall of the armature 15, an upper socket 19 is arranged above the upper plug 16, one end of a solar power supply 3 is connected with the upper plug 16 in series, the other end of the solar power supply 3 is connected with an LED street lamp 6 in series, the back of the upper socket 19 is connected with the LED street lamp 6 in series, when an alternating current power supply 7 is powered off, the iron core 21 loses magnetism and does not attract the armature 15 any more, the armature 15 is stretched to deflect anticlockwise under the action of the elastic potential energy of the spring 22, the upper plug 16 is combined with the upper socket 19, so that the solar power, the negative pole of the AC power supply 7 is connected in series with the LED street lamp 6 to electrify the AC power supply 7, at the moment, the coil 20 is electrified to generate an electromagnetic effect, the armature 15 is attracted to the iron core 21 by overcoming the pulling force of the spring 22 under the action of the electromagnetic force attraction, so as to drive the lower plug 17 and the lower socket 18 to attract and supply power, the external part of the switch switching unit 8 is connected in series with the anti-surge unit 9, the external part of the anti-surge unit 9 is connected in series with the rectifying and filtering unit 10, the external part of the rectifying and filtering unit 10 is connected in series with the PWM control unit 12, the external part of the PWM control unit 12 is connected in series with the temperature sensing unit 11, the temperature sensing unit 11 comprises a temperature sensor and a temperature control module, the external part of the PWM control unit 12 is connected in series with the illumination sensing unit 13, the working temperature of the constant current output device 4, when the working temperature of the constant current output device 4 is continuously increased to a preset value, the circuit output is turned off through the PWM control unit 12, the purpose of protecting the constant current output device 4 is achieved, when the illumination is good, the illumination induction unit 13 is triggered to send an action instruction to the PWM control unit 12, the circuit output is stopped, the resource waste is reduced, when the illumination is insufficient, the illumination induction unit 13 stops acting, the circuit is restored to a conducting state through the PWM control unit 12, the PWM control unit 12 is connected with the constant current output device 4 in series, and the constant current output device 4 is connected with the LED street lamp 6 in series.
The working principle of the invention is as follows: when the invention is used, the mounting base 1 is mounted on the ground, the alternating current power supply 7 is electrified, the coil 20 is electrified to generate an electromagnetic effect, the armature 15 is attracted to the iron core 21 by overcoming the tensile force of the spring 22 under the action of electromagnetic force attraction, so that the lower plug 17 and the lower socket 18 are driven to attract and supply power, when the alternating current power supply 7 is powered off, the iron core 21 loses magnetism and does not attract the armature 15 any more, the armature 15 is stretched to deflect anticlockwise under the action of elastic potential energy of the spring 22, the upper plug 16 and the upper socket 19 are combined at the moment, so that the solar power supply 3 supplies power to the LED street lamp 6, the LED street lamp 6 is timely supplied with power by the matching use of the alternating current power supply 7 and the solar power supply 3 through the automatic adjustment of the switch switching unit 8, the potential safety hazard caused by a standby power supply is avoided when the alternating current power supply 7 is damaged, and the circuit is subjected to high-voltage protection through the anti, prevent that the voltage from burning out the LED street lamp excessively, make the electric current of output safe and reliable more through PWM the real time monitoring of control unit 12 output current, the electric current gets into LED street lamp 6 through constant current output device 4 and supplies power, through the operating temperature of temperature sensing unit 11 real-time detection constant current output device 4, and send the temperature value detected to PWM the control unit 12 analysis, when the operating temperature of constant current output device 4 constantly rises to the default, through PWM the shutoff circuit output of control unit 12, play the purpose of protecting constant current output device 4, when illumination is better, promote to send illumination induction unit 13 and send the action instruction to PWM control unit 12, the output of stop circuit, reduce the wasting of resources, when illumination is not enough, illumination induction unit 13 stops the action, through PWM control unit 12 with circuit recovery on-state.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The constant-current LED driving power supply comprises a mounting seat (1) and is characterized in that a supporting column (2) is fixedly mounted at the top of the mounting seat (1), a solar power supply (3) is fixedly mounted at the top of the supporting column (2), a supporting frame (5) is fixedly mounted at the top of the right side wall of the supporting column (2), an LED street lamp (6) is fixedly mounted at the right end of the supporting frame (5), a constant-current output device (4) is fixedly mounted at the top of the front side of the supporting column (2), an alternating current power supply (7) is arranged inside the constant-current output device (4), a switch switching unit (8) is connected with the outer walls of the alternating current power supply (7) and the solar power supply (3) in series, the switch switching unit (8) comprises an iron core (21), a coil (20) is wound on the outer wall of the iron core (21), a lower socket (18), a rotating shaft (14) is arranged above the iron core (21), the right side wall of the rotating shaft (14) is rotatably connected with an armature (15), a spring (22) is arranged at the top of the armature (15), a lower plug (17) is arranged at the position of the right end of the lower side wall of the armature (15) corresponding to the lower socket (18), an upper plug (16) is arranged at the right end of the upper side wall of the armature iron (15), an upper socket (19) is arranged above the upper plug (16), an anti-surge unit (9) is connected in series outside the switch switching unit (8), a rectifying and filtering unit (10) is connected in series outside the anti-surge unit (9), a PWM control unit (12) is connected in series outside the rectifying and filtering unit (10), the PWM control unit (12) is connected with the constant current output device (4) in series, and the constant current output device (4) is connected with the LED street lamp (6) in series.
2. The constant-current LED driving power supply according to claim 1, wherein the support frame (5) is of a triangular structure, and a nut is arranged between the left side wall of the support frame (5) and the support column (2).
3. The constant-current LED driving power supply according to claim 1, wherein one end of the solar power supply (3) is connected with the upper plug (16) in series, the other end of the solar power supply (3) is connected with the LED street lamp (6) in series, and the back surface of the upper socket (19) is connected with the LED street lamp (6) in series.
4. The constant-current LED driving power supply according to claim 1, wherein the back surface of the lower plug (17) is connected with the LED street lamp (6) in series, the positive electrode of the alternating current power supply (7) is connected with the bottom of the coil (20) in series, and the negative electrode of the alternating current power supply (7) is connected with the LED street lamp (6) in series.
5. The constant-current LED driving power supply according to claim 1, wherein a temperature sensing unit (11) is connected in series with the outside of the PWM control unit (12), the temperature sensing unit (11) comprises a temperature sensor and a temperature control module, and an illumination sensing unit (13) is connected in series with the outside of the PWM control unit (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011174606.9A CN112512175A (en) | 2020-10-28 | 2020-10-28 | Constant-current LED driving power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011174606.9A CN112512175A (en) | 2020-10-28 | 2020-10-28 | Constant-current LED driving power supply |
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| Publication Number | Publication Date |
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| CN112512175A true CN112512175A (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011174606.9A Pending CN112512175A (en) | 2020-10-28 | 2020-10-28 | Constant-current LED driving power supply |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201374838Y (en) * | 2009-03-11 | 2009-12-30 | 四川九洲铭伟半导体照明有限公司 | LED driving power source |
| CN202261940U (en) * | 2011-09-07 | 2012-05-30 | 苏州市职业大学 | LED indoor illuminating system of solar PV power generation and commercial power complimentary type |
| CN103047601A (en) * | 2012-12-31 | 2013-04-17 | 深圳市广安消防装饰工程有限公司 | Emergency lighting and evacuation guide device capable of achieving hybrid energy power supply |
| CN105221457A (en) * | 2015-10-30 | 2016-01-06 | 江门市凯斯莱工贸有限公司 | A kind of low pressure solar energy ceiling fan of remote control Switching power |
| CN206370984U (en) * | 2017-01-23 | 2017-08-01 | 珠海市崇光照明节能科技有限公司 | LED constant current driving power supply |
-
2020
- 2020-10-28 CN CN202011174606.9A patent/CN112512175A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201374838Y (en) * | 2009-03-11 | 2009-12-30 | 四川九洲铭伟半导体照明有限公司 | LED driving power source |
| CN202261940U (en) * | 2011-09-07 | 2012-05-30 | 苏州市职业大学 | LED indoor illuminating system of solar PV power generation and commercial power complimentary type |
| CN103047601A (en) * | 2012-12-31 | 2013-04-17 | 深圳市广安消防装饰工程有限公司 | Emergency lighting and evacuation guide device capable of achieving hybrid energy power supply |
| CN105221457A (en) * | 2015-10-30 | 2016-01-06 | 江门市凯斯莱工贸有限公司 | A kind of low pressure solar energy ceiling fan of remote control Switching power |
| CN206370984U (en) * | 2017-01-23 | 2017-08-01 | 珠海市崇光照明节能科技有限公司 | LED constant current driving power supply |
Non-Patent Citations (2)
| Title |
|---|
| 余小平，奚大顺, 北京航空航天大学出版社 * |
| 刘鑫: "继电器的应用", 《才智》 * |
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Application publication date: 20210316 |