CN111542151A - Lamp control circuit and lamp thereof - Google Patents
Lamp control circuit and lamp thereof Download PDFInfo
- Publication number
- CN111542151A CN111542151A CN202010551893.4A CN202010551893A CN111542151A CN 111542151 A CN111542151 A CN 111542151A CN 202010551893 A CN202010551893 A CN 202010551893A CN 111542151 A CN111542151 A CN 111542151A
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- resistor
- lamp
- capacitor
- led lamp
- triode
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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]
- H05B45/10—Controlling the intensity of the light
- H05B45/18—Controlling the intensity of the light using temperature feedback
-
- 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]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
- H05B45/56—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving measures to prevent abnormal temperature of the LEDs
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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]
-
- 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 invention relates to the technical field of illumination. The utility model provides a lamps and lanterns control circuit and lamps and lanterns thereof, lamps and lanterns control circuit includes the live wire, the zero line, the fuse, first switch, piezo-resistor, the coil, first electric capacity, the bidirectional trigger diode, the second electric capacity, the second switch, first resistance, the second resistance, the third resistance, the fourth resistance, the LED lamp, first triode, the second triode, thermistor, third electric capacity and relay, lamps and lanterns are including lamp shade and foretell lamps and lanterns control circuit, the LED lamp sets up in the lamp shade, the both ends of lamp shade are equipped with first apron and second apron respectively, the one end of LED lamp is located the medial surface of first apron, the other end of LED lamp is located the medial surface of second apron. The invention has the beneficial effects that: the circuit formed by the components has an overheat protection function, and can remind a user to turn off a power supply when the temperature of the lamp is too high, and the lamp can implement power-off protection after heating for a certain time seriously.
Description
Technical Field
The invention relates to the technical field of illumination.
Background
The LED lamp is an electroluminescent semiconductor material chip, is solidified on the bracket by silver glue or white glue, then connecting the chip and the circuit board by silver wires or gold wires, sealing the periphery by epoxy resin to protect the internal core wires, finally installing the shell, wherein the semiconductor material chip is composed of two parts, one part is a P-type semiconductor, in which holes are dominant and another part is an N-type semiconductor, where mainly electrons, when the two semiconductors are connected, a P-N junction is formed between the two semiconductors, and when current is applied to the semiconductor material chip through the conducting wire, electrons are pushed to a P region, the electrons and holes recombine in the P region and then emit energy in the form of photons, which is the principle of LED lamp emission, and the wavelength of the light, i.e. the color of the light, is determined by the material forming the P-N junction.
At the present stage, in people's daily life, adopt the LED lamp as lighting means mostly, but the heat dispersion of traditional LED lamp is comparatively limited, under the condition of long-time use, cause the inside temperature of LED lamp to rise easily, and the user who is using this LED lamp is difficult to feel the temperature of LED lamp, can not in time stop using the LED lamp, make its cooling, along with the time lapse, the temperature of LED lamp can reach the ultimate temperature that self can bear, thereby reduce the life of self, the practicality receives the restriction, can directly burn out when serious.
Disclosure of Invention
The invention aims to provide a lamp control circuit and a lamp thereof, which can remind a user to turn off a power supply when the temperature of the lamp is too high, and can implement power-off protection after the lamp heats seriously for a certain time.
In order to achieve the purpose, the invention adopts the following technical scheme:
a lamp control circuit comprises a live wire, a zero line, a fuse, a first switch, a piezoresistor, a coil, a first capacitor, a bidirectional trigger diode, a second capacitor, a second switch, a first resistor, a second resistor, a third resistor, a fourth resistor, an LED lamp, a first triode, a second triode, a thermistor, a third capacitor and a relay, wherein the live wire is connected to one end of the coil through the fuse and the first switch, the other end of the coil is connected to a first connecting terminal of the bidirectional trigger diode, one end of the piezoresistor is connected to one end of the coil, one end of the first capacitor is connected to the other end of the coil, the other end of the piezoresistor and the other end of the first capacitor are connected to the zero line, the zero line is connected to a second connecting terminal of the bidirectional trigger diode, the third connecting terminal of the bidirectional trigger diode is connected to one end of the second capacitor, one end of the second capacitor is grounded, the LED lamp comprises a bidirectional trigger diode, a second capacitor, a first resistor, a second resistor, a first triode, a second triode, a thermistor, a relay, a base electrode, a base.
The voltage regulator further comprises a fifth resistor, a sixth resistor, a seventh resistor, a fourth capacitor, a first voltage regulator tube and a second voltage regulator tube, wherein one end of the fifth resistor, one end of the sixth resistor and one end of the fourth capacitor are connected to the other end of the second switch, the other end of the fifth resistor and one end of the seventh resistor are connected to the negative electrode of the first voltage regulator tube, the positive electrode of the first voltage regulator tube is grounded, the other end of the sixth resistor, the other end of the seventh resistor and the other end of the fourth capacitor are respectively connected to the negative electrode of the second voltage regulator tube, and the positive electrode of the second voltage regulator tube is grounded.
The invention also provides a lamp which comprises a lampshade and the lamp control circuit, wherein the LED lamp is arranged in the lampshade, the two ends of the lampshade are respectively provided with a first cover plate and a second cover plate, one end of the LED lamp is positioned on the inner side surface of the first cover plate, and the other end of the LED lamp is positioned on the inner side surface of the second cover plate.
Furthermore, a first electric connection plate is arranged between one end of the LED lamp and the first cover plate, a second electric connection plate is arranged between the other end of the LED lamp and the second cover plate, the first electric connection plate and the second electric connection plate are respectively provided with a starter, an electric connection terminal is arranged in the first cover plate, one end of the electric connection terminal is located on the outer side face of the first cover plate, and the other end of the electric connection terminal is fixed on the first electric connection plate.
Furthermore, the inner side surface of the lampshade is provided with a reflecting plate, and the outer side surface of the lampshade is provided with a hanging chain.
Further, the first cover plate and the second cover plate are provided with heat dissipation holes.
The realization process of the invention is as follows: in the lamp control circuit, the LED lamp and the thermistor are connected in series, the thermistor is a thermistor with a positive temperature coefficient, when the lamp is overheated, the resistance value of the thermistor can rise, the current of the first triode is cut off, the current of the second triode is conducted, when the current of the second triode is conducted, the third capacitor and the relay can obtain electric energy, the third capacitor can store the electric energy, the relay which obtains the electric energy can attract the second switch, the second switch is disconnected, the whole lamp control circuit is powered off, the LED lamp can not obtain the electric energy and stops working, the temperature of the LED lamp starts to be reduced, the third capacitor can convey the electric energy stored by the third capacitor to the relay, the relay continuously attracts the second switch, the second switch keeps the disconnected state, the lamp control circuit is still in the power-off state, sufficient cooling time is provided for the LED lamp, when the electric energy of the third capacitor is exhausted, the relay does not attract the second switch any more, the second switch is connected with the circuit, the LED lamp emits light, if the temperature of the lamp is reduced, the LED lamp can normally emit light, if the temperature of the lamp is still overhigh, the LED lamp can be powered off and cooled again according to the process until the temperature is reduced to the value that the thermistor is not triggered any more; when the LED lamp is switched back and forth between the light emitting and the power off to form a flashing light effect, the warning function can be played to remind a user to close the first switch, and the first switch belongs to the main switch of the lamp control circuit.
The invention has the beneficial effects that: this lamps and lanterns control circuit has overheat protection's function, and when lamps and lanterns high temperature, the LED lamp can remind the user to close the power through bright scintillation, if the LED lamp is in the state that the temperature is too high always, this lamps and lanterns control circuit will auto-power-off and cooling, avoids the LED lamp to burn out because of the high temperature, has improved the life of LED lamp.
Drawings
Fig. 1 is a schematic circuit structure diagram of a lamp control circuit according to the present invention.
Fig. 2 is an exploded view of the lamp of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, a lamp control circuit includes a live wire 1, a neutral wire 2, a fuse 3, a first switch 4, a voltage dependent resistor 5, a coil 6, a first capacitor 7, a diac 8, a second capacitor 9, a second switch 10, a first resistor 11, a second resistor 12, a third resistor 13, a fourth resistor 14, an LED lamp 15, a first triode 16, a second triode 17, a thermistor 18, a third capacitor 19 and a relay 20, the live wire 1 is connected to one end of the coil 6 through the fuse 3 and the first switch 4, the other end of the coil 6 is connected to a first connection terminal of the diac 8, one end of the voltage dependent resistor 5 is connected to one end of the coil 6, one end of the first capacitor 7 is connected to the other end of the coil 6, the other end of the voltage dependent resistor 5 and the other end of the first capacitor 7 are connected to the neutral wire 2, the neutral wire 2 is connected to a second connection terminal of the diac 8, a third connection terminal of the diac 8 is connected to one end of a second capacitor 9, one end of the second capacitor 9 is grounded, a fourth terminal of the diac 8 and the other end of the second capacitor 9 are connected to one end of a second switch 10, one end of a first resistor 11 and one end of a second resistor 12 are respectively connected to the other end of the second switch 10, the other end of the first resistor 11 and a collector of a first triode 16 are respectively connected to the LED lamp 15, one end of a third resistor 13 and one end of a fourth resistor 14 are respectively connected to the other end of the second resistor 12, a base of the first triode 16 and a collector of the second triode 17 are respectively connected to the other end of the third resistor 13, an emitter of the first triode 16 and a base of the second triode 17 are respectively connected to one end of a thermistor 18, one end of a third capacitor 19 and one end of a relay 20 are respectively connected to an emitter of the second triode 17, the other end of the thermistor 18, the other end of the third capacitor 19, and the other end of the relay 20 are connected to the other end of the fourth resistor 14, respectively.
The voltage regulator further comprises a fifth resistor 21, a sixth resistor 22, a seventh resistor 23, a fourth capacitor 24, a first voltage regulator tube 25 and a second voltage regulator tube 26, one end of the fifth resistor 21, one end of the sixth resistor 22 and one end of the fourth capacitor 24 are connected to the other end of the second switch 10, the other end of the fifth resistor 21 and one end of the seventh resistor 23 are connected to the negative electrode of the first voltage regulator tube 25, the positive electrode of the first voltage regulator tube 25 is grounded, the other end of the sixth resistor 2, the other end of the seventh resistor 23 and the other end of the fourth capacitor 24 are respectively connected to the negative electrode of the second voltage regulator tube 26, and the positive electrode of the second voltage regulator tube 26 is grounded.
The invention also provides a lamp which comprises a lampshade 27 and the lamp control circuit, wherein the LED lamp 15 is arranged in the lampshade 27, a first cover plate 28 and a second cover plate 29 are respectively arranged at two ends of the lampshade 27, one end of the LED lamp 15 is positioned on the inner side surface of the first cover plate 28, and the other end of the LED lamp 15 is positioned on the inner side surface of the second cover plate 29.
A first electric connection plate 30 is arranged between one end of the LED lamp 15 and the first cover plate 28, a second electric connection plate 31 is arranged between the other end of the LED lamp 15 and the second cover plate 29, the first electric connection plate 30 and the second electric connection plate 31 are respectively provided with a starter 32, an electric connection terminal 33 is arranged in the first cover plate 28, one end of the electric connection terminal 33 is positioned on the outer side surface of the first cover plate 28, and the other end of the electric connection terminal 33 is fixed on the first electric connection plate 30.
The inner side of the lampshade 27 is provided with a reflecting plate 34, the outer side of the lampshade 27 is provided with a hanging chain 35, and the first cover plate 28 and the second cover plate 29 are both provided with heat dissipation holes 36.
The working principle of the invention is as follows: when the lamp is overheated, the resistance value of the thermistor 18 rises, the current of the first triode 16 is cut off, the current of the second triode 17 is conducted, when the current of the second triode 17 is conducted, the third capacitor 19 and the relay 20 can obtain electric energy, the third capacitor 19 can store the electric energy, the relay 20 which obtains the electric energy can attract the second switch 10, the second switch 10 is disconnected, the whole lamp control circuit is powered off, the LED lamp 15 cannot obtain the electric energy and stops working, the temperature of the LED lamp starts to be reduced, the third capacitor 19 can transmit the electric energy stored by the third capacitor 19 to the relay 20, the relay 20 continuously attracts the second switch 10, the second switch 10 is kept in a disconnected state, the lamp control circuit is still in a power-off state, sufficient cooling time is provided for the LED lamp 15, and after the electric energy stored by the third capacitor 19 is exhausted, the relay 20 does not attract the second switch 10 any more, the second switch 10 is connected with the circuit, the LED lamp 15 emits light, if the temperature of the lamp is reduced, the LED lamp 15 can normally emit light, if the temperature of the lamp is still too high, the LED lamp 15 can be powered off and cooled again according to the process until the temperature is reduced to a value that the thermistor 18 is not triggered any more, when the LED lamp 15 is switched back and forth between light emission and power off to form a flickering effect, the LED lamp belongs to the warning function of the lamp and reminds a user to close the first switch 4 belonging to the main switch of the lamp control circuit.
Claims (6)
1. A lamp control circuit is characterized by comprising a live wire (1), a zero line (2), a fuse (3), a first switch (4), a piezoresistor (5), a coil (6), a first capacitor (7), a bidirectional trigger diode (8), a second capacitor (9), a second switch (10), a first resistor (11), a second resistor (12), a third resistor (13), a fourth resistor (14), an LED lamp (15), a first triode (16), a second triode (17), a thermistor (18), a third capacitor (19) and a relay (20), wherein the live wire (1) is connected to one end of the coil (6) through the fuse (3) and the first switch (4), the other end of the coil (6) is connected to a first connecting terminal of the bidirectional trigger diode (8), one end of the piezoresistor (5) is connected to one end of the coil (6), one end of a first capacitor (7) is connected to the other end of the coil (6), the other end of the piezoresistor (5) and the other end of the first capacitor (7) are connected to a zero line (2), the zero line (2) is connected to a second connecting terminal of a bidirectional trigger diode (8), a third connecting terminal of the bidirectional trigger diode (8) is connected to one end of a second capacitor (9), one end of the second capacitor (9) is grounded, a fourth terminal of the bidirectional trigger diode (8) and the other end of the second capacitor (9) are connected to one end of a second switch (10), one end of a first resistor (11) and one end of a second resistor (12) are respectively connected to the other end of the second switch (10), the other end of the first resistor (11) and a collector of a first triode (16) are respectively connected to an LED lamp (15), one end of a third resistor (13) and one end of a fourth resistor (14) are respectively connected to the other end of the second resistor (12), the base electrode of the first triode (16) and the collector electrode of the second triode (17) are connected to the other end of the third resistor (13) respectively, the emitter electrode of the first triode (16) and the base electrode of the second triode (17) are connected to one end of the thermistor (18) respectively, one end of the third capacitor (19) and one end of the relay (20) are connected to the emitter electrode of the second triode (17) respectively, and the other end of the thermistor (18), the other end of the third capacitor (19) and the other end of the relay (20) are connected to the other end of the fourth resistor (14) respectively.
2. The lamp control circuit according to claim 1, further comprising a fifth resistor (21), a sixth resistor (22), a seventh resistor (23), a fourth capacitor (24), a first voltage regulator tube (25) and a second voltage regulator tube (26), wherein one end of the fifth resistor (21), one end of the sixth resistor (22) and one end of the fourth capacitor (24) are connected to the other end of the second switch (10), the other end of the fifth resistor (21) and one end of the seventh resistor (23) are connected to the negative electrode of the first voltage regulator tube (25), the positive electrode of the first voltage regulator tube (25) is grounded, the other end of the sixth resistor (2), the other end of the seventh resistor (23) and the other end of the fourth capacitor (24) are respectively connected to the negative electrode of the second voltage regulator tube (26), and the positive electrode of the second voltage regulator tube (26) is grounded.
3. A lamp comprising a lamp housing (27), characterized in that the lamp further comprises a lamp control circuit according to any one of claims 1-2, the LED lamp (15) is disposed in the lamp housing (27), a first cover plate (28) and a second cover plate (29) are respectively disposed at two ends of the lamp housing (27), one end of the LED lamp (15) is located on an inner side surface of the first cover plate (28), and the other end of the LED lamp (15) is located on an inner side surface of the second cover plate (29).
4. A lamp as claimed in claim 3, characterized in that a first electric connection plate (30) is arranged between one end of the LED lamp (15) and the first cover plate (28), a second electric connection plate (31) is arranged between the other end of the LED lamp (15) and the second cover plate (29), the first electric connection plate (30) and the second electric connection plate (31) are respectively provided with a starter (32), an electric connection terminal (33) is arranged in the first cover plate (28), one end of the electric connection terminal (33) is arranged on the outer side surface of the first cover plate (28), and the other end of the electric connection terminal (33) is fixed on the first electric connection plate (30).
5. A lamp as claimed in claim 4, characterized in that the inner side of the globe (27) is provided with a reflector (34), and the outer side of the globe (27) is provided with a chain hanger (35).
6. A lamp as claimed in claim 5, characterized in that both the first cover plate (28) and the second cover plate (29) are provided with heat dissipation apertures (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010551893.4A CN111542151B (en) | 2020-06-17 | 2020-06-17 | Lamp control circuit and lamp thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010551893.4A CN111542151B (en) | 2020-06-17 | 2020-06-17 | Lamp control circuit and lamp thereof |
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| Publication Number | Publication Date |
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| CN111542151A true CN111542151A (en) | 2020-08-14 |
| CN111542151B CN111542151B (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010551893.4A Active CN111542151B (en) | 2020-06-17 | 2020-06-17 | Lamp control circuit and lamp thereof |
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| CN104780638A (en) * | 2014-01-10 | 2015-07-15 | 海洋王（东莞）照明科技有限公司 | LED lamp overheat protection circuit |
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| CN106385247A (en) * | 2016-08-30 | 2017-02-08 | 成都雷克尔科技有限公司 | Monostable oscillation-induction starting type energy-saving switching circuit |
| CN107635343A (en) * | 2017-10-25 | 2018-01-26 | 苏州纽克斯电源技术股份有限公司 | Input detection protection circuit and HID lamp AC electronic ballast |
| CN107995748A (en) * | 2017-12-28 | 2018-05-04 | 广州爱易学智能信息科技有限公司 | The temperature protection circuit of classroom blackboard LED light strip |
| CN209767181U (en) * | 2019-04-25 | 2019-12-10 | 宁波金源控股有限公司 | storage battery charging circuit with temperature self-adjusting function |
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2020
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| CN2092180U (en) * | 1991-05-08 | 1992-01-01 | 中国工程物理研究院广谊电器厂 | Efficient energy-saving electronic ballast of full-automatic tube-like fluorescent lamp |
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| CN111542151B (en) | 2022-04-19 |
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