CN213694216U - Intelligent human body induction charging glare-free LED lamp - Google Patents
Intelligent human body induction charging glare-free LED lamp Download PDFInfo
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- CN213694216U CN213694216U CN202022627580.0U CN202022627580U CN213694216U CN 213694216 U CN213694216 U CN 213694216U CN 202022627580 U CN202022627580 U CN 202022627580U CN 213694216 U CN213694216 U CN 213694216U
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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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Abstract
The utility model relates to a LED control technical field discloses a time-adjustable and stable human response area of intelligence is charged and is had glare-free LED lamp, possesses: the LDO circuit is used for receiving a voltage signal output by the lithium battery; a human body induction circuit for inducing a displacement signal of the target object and converting the displacement signal into a level signal; the MOS tube is used for receiving the level signal; the first end of the four-gear switch is connected with the drain electrode of the MOS tube, the second end of the four-gear switch is connected with the grid electrode of the MOS tube, and the third end of the four-gear switch is connected with the timing end of the fourth-end human body sensing circuit; when the level signal is at a low level, the LED lamp is in a closed state; when the level signal is high level, the high level is used for controlling the conduction of the MOS tube, so that the LED lamp is powered on and started, and when the gear of the four-gear switch is adjusted, the working mode of the LED lamp can be changed.
Description
Technical Field
The utility model relates to a LED control technical field, more specifically say, relate to a human response area of intelligence is charged and is not had glare LED lamp.
Background
The light emitting diode is composed of a PN junction and has unidirectional conductivity. When a forward voltage is applied to the light emitting diode, holes injected from the P region to the N region and electrons injected from the N region to the P region recombine with the electrons in the N region and the holes in the P region within a few micrometers near the PN junction, respectively, and spontaneous emission fluorescence is generated. Currently, the existing battery lights are developing toward light, thin, small and intelligent, including human body induction battery lights, touch induction battery lights, hand sweep induction battery lights and door induction battery lights.
However, the existing human body induction battery lamps with adjustable gears are all in three gears, namely an ON normally-ON mode, an OFF mode and an AUTO induction mode, induction time is fixed and unchanged, generally, the lamp light is turned OFF after 15S of delay, and the delay time cannot be adjusted, so that the actual use is inconvenient.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, be ON normal bright mode, OFF shutdown mode and AUTO response mode respectively to the aforesaid of prior art, response time is all fixed unchangeable, generally for closing light after time delay 15S, and delay time can not be adjusted, leads to the not convenient enough defect in the in-service use, provides a but time regulation and stable intelligent human response area charging no glare LED lamp.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a human response area of intelligence is charged and is not had glare LED lamp, possesses:
the input end of the LDO circuit is connected with the anode of the lithium battery and is used for receiving a voltage signal output by the lithium battery;
the human body sensing circuit is connected with the output end of the LDO circuit at the power supply input end and is used for sensing a displacement signal of a target object and converting the displacement signal into a level signal;
the grid electrode of the MOS tube is connected with a signal output end of the human body induction circuit and is used for receiving the level signal;
the drain electrode of the MOS tube is connected with the cathode of the LED lamp, and the anode of the LED lamp is connected with the anode of the lithium battery;
the first end of the four-gear switch is connected with the drain electrode of the MOS tube, the second end of the four-gear switch is connected with the grid electrode of the MOS tube, and the third end of the four-gear switch is connected with the timing end of the human body sensing circuit at the fourth end;
when the level signal is at a low level, the LED lamp is in a closed state;
when the level signal is a high level, the high level is used for controlling the conduction of the MOS tube, so that the LED lamp is powered on and started, and when the gear of the four-gear switch is adjusted, the working mode of the LED lamp can be changed.
In some embodiments, the human body sensing circuit comprises an infrared sensor and a photodiode,
a signal output end of the infrared sensor is connected with a grid electrode of the MOS tube, and a timing end of the infrared sensor is respectively connected with a third end and a fourth end of the four-gear switch;
one input end of the photosensitive diode is connected with the enabling end of the infrared sensor, and the output end of the photosensitive diode is connected with the public end.
In some embodiments, the body sensation circuit further comprises an eleventh resistor and a twelfth resistor,
one end of the eleventh resistor and one end of the twelfth resistor are respectively connected with the timing end of the infrared sensor,
the other end of the eleventh resistor is coupled to the third end of the four-gear switch;
the other end of the twelfth resistor is coupled to the fourth end of the fourth-stage switch.
In some embodiments, the MOS transistor is an N-channel enhancement type MOS transistor.
In some embodiments, the LED lamp further comprises a charging circuit, a power input end of the charging circuit is connected to an output end of the USB, and an output end of the charging circuit is connected to an input end of the LDO circuit and an anode of the LED lamp, respectively.
In some embodiments, the LDO circuit comprises a first capacitor, a second capacitor, a three-terminal regulator, a fourth capacitor, and a fifth capacitor,
one end of the first capacitor and one end of the second capacitor are respectively connected with the power input end of the three-end voltage regulator tube,
the output end of the three-end voltage regulator tube is connected with one end of the fourth capacitor and one end of the fifth capacitor and the power input end of the infrared sensor;
the other ends of the first capacitor, the second capacitor, the fourth capacitor and the fifth capacitor are respectively connected with a common end.
In the intelligent human body induction charging glare-free LED lamp, the LED lamp comprises an LDO circuit, a human body induction circuit, an MOS tube and a four-gear switch, wherein the human body induction circuit is used for inducing the displacement signal of a target object and converting the displacement signal into a level signal; when the level signal is high level, the high level is used for controlling the conduction of the MOS tube, so that the LED lamp is powered on and started, and when the gear of the four-gear switch is adjusted, the working mode of the LED lamp can be changed. Compared with the prior art, the human body induction circuit, the MOS tube and the four-gear switch are arranged to be matched for use, wherein the first gear of the four-gear switch is in an ON normally-ON mode, the second gear of the four-gear switch is in an OFF closed mode, the third gear of the four-gear switch is in a time delay of 30S, and the fourth gear of the four-gear switch is in a time delay of 3min, so that the problem that the induction time of an LED lamp is fixed and unchanged, the lamp light is normally turned OFF after 15S of time delay, the time delay cannot be adjusted, and the actual use is inconvenient is caused.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic structural diagram of an embodiment of an intelligent human body induction charging glare-free LED lamp;
fig. 2 is the utility model provides a human response area of intelligence charges circuit schematic diagram of a glare-free LED lamp embodiment.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-2, the utility model discloses a human response area of intelligence charges in the first embodiment of glare-free LED lamp, the human response area of intelligence charges glare-free LED lamp 100 and includes a USB101, a charging circuit 102, lithium cell 103, lamp plate 104 (corresponding LED lamp), an LDO circuit 105, a human body sense circuit 106, a MOS pipe 107 and a four keep off switch 108.
Wherein, LDO circuit 105 input is connected with the positive pole of lithium cell 103, and it is used for receiving the voltage signal of lithium cell 103 output, and this voltage signal is used for controlling LDO circuit 105 work to human response circuit 106 output trigger signal.
The power input end of the human body sensing circuit 106 is connected to the output end of the LDO circuit 105, and is configured to sense a displacement signal of a target object, convert the displacement signal into a level signal, and output the level signal to the MOS transistor 107.
The MOS transistor 107 is an N-channel enhancement MOS transistor, which has a switching function.
The gate of the MOS 107 is connected to a signal output terminal of the human body sensing circuit 106, and is configured to receive the level signal.
The drain of the MOS transistor 107 is connected to the cathode of the LED lamp (corresponding to the lamp panel 104), and the anode of the LED lamp 104 is connected to the anode of the lithium battery 103.
Further, the four-gear switch 108 has four gears, wherein the first gear is an ON normally-ON mode, the second gear is an OFF-OFF mode, the third gear is a delayed time of 30S, and the fourth gear is a delayed time of 3 min.
Specifically, a first end (corresponding to a first gear) of the four-gear switch 108 is connected to the drain of the MOS transistor 107;
a second end (corresponding to a second gear) of the four-gear switch 108 is connected with the gate of the MOS transistor 107;
the third end (corresponding to the third gear) and the fourth end (corresponding to the fourth gear) of the four-gear switch 108 are respectively connected to the timing end of the human body induction circuit 106.
When the level signal output by the human body induction circuit 106 is low level, the LED lamp 104 is in a turn-off state;
when the level signal output by the human body sensing circuit 106 is a high level, the high level is used for controlling the conduction of the MOS transistor 107, so that the LED lamp 104 is powered on and turned on, and then the working mode of the LED lamp 104 can be changed when the gear of the four-gear switch 108 is adjusted according to actual needs.
In the technical scheme, the human body sensing circuit 106, the MOS tube 107 and the four-gear switch 108 are arranged to be matched for use, wherein the first gear of the four-gear switch is an ON normally-ON mode, the second gear of the four-gear switch is an OFF closing mode, the third gear of the four-gear switch is delayed for 30S, and the fourth gear of the four-gear switch is delayed for 3min, so that the problem that the induction time of an LED lamp is fixed and unchanged, the lamp light is closed after the delay time is generally 15S, the delay time cannot be adjusted, and the problem that the actual use is inconvenient is caused.
It should be noted that the human body sensing circuit 106 includes an infrared sensor U103 and a photodiode D101,
the infrared sensor U103 is provided with a signal output terminal (corresponding to 1 pin), a timing terminal (corresponding to 2 pins), an enable terminal (corresponding to 3 pins), and a sensitivity setting terminal (corresponding to 5 pins).
The lower the voltage of the 5-pin of the infrared sensor U103, the longer the sensing distance.
The ninth resistor R109 is a pull-up resistor with a resistance of 1M, and the tenth resistor R110 is a pull-down resistor with a resistance of 10K, and the sensing distance is about 3M.
Specifically, a signal output end (corresponding to pin 1) of the infrared sensor U103 is connected to the gate of the MOS transistor 107, and a timing end (corresponding to pin 2) of the infrared sensor U103 is connected to a third end (corresponding to 30S) and a fourth end (corresponding to 3min) of the four-bar switch 108, respectively.
One input end of the photodiode D101 is connected to an enable end (corresponding to 3 pins) of the infrared sensor U103, and an output end of the photodiode D101 is connected to the common end.
Further, the human body sensing circuit 106 further includes an eleventh resistor R111 and a twelfth resistor R112, wherein one end of the eleventh resistor R111 and one end of the twelfth resistor R112 are respectively connected to the timing end (corresponding to 2 pins) of the infrared sensor U103, and the other end of the eleventh resistor R111 is coupled to the third end of the four-stage switch 108;
the other end of the twelfth resistor R112 is coupled to the fourth end of the fourth-stage switch 108.
The working principle is that the power supply voltage output by the lithium battery 103 is processed by the LDO circuit 105, and then 3.3V voltage is output to supply power to the infrared sensor U103 (belonging to the human body induction circuit 106).
When the enabling end (corresponding to 3 pins) of the infrared sensor U103 is connected with a high level, after the infrared sensor U103 senses a moving signal or infrared heat of a target object, a signal output end (corresponding to 1 pin) of the infrared sensor U103 outputs the high level;
when the enable terminal (corresponding to pin 3) is connected to low level, a signal output terminal (corresponding to pin 1) outputs low level.
When the light is emitted in the daytime, the photodiode D101 (belonging to the human body sensing circuit 106) generates a photocurrent, the voltage of the enable terminal (corresponding to the 3 pins) is 0V, the voltage is at a low level, the infrared sensor U103 outputs the low level all the time, the MOS tube 107 is turned off, and the LED lamp 104 is turned off;
when there is no light at night, the photodiode D101 has no photocurrent, the voltage of the enable terminal (corresponding to 3 pins) is 3.3V, which is a high level, after the infrared sensor U103 senses a human body signal (a mobile signal or a heat energy signal), the high level is output, the MOS tube 107 is turned on, and the LED lamp 104 is controlled to be turned on. The lower the voltage of the timing end (corresponding to the 2-pin) of the infrared sensor U103 is, the shorter the delay time is; the higher the voltage, the longer the delay time.
The eighth resistor R108 is a pull-up resistor, the resistance of which is 1M, and the eleventh resistor R111 and the twelfth resistor R112 pull-down resistors change the voltage of the timing end (corresponding to 2 pins) of the infrared sensor U103 by changing the pull-down resistors, so as to change the delay time.
Further, the first gear of the fourth gear switch 108 is in a normally on mode, the switch is toggled to the leftmost side, the drain and the source of the MOS transistor 107 are short-circuited, so that the current of the LED lamp 104 flows through the fourth gear switch 108, and normally on is realized;
the fourth-gear switch 108 is switched to the second gear, the grid of the MOS tube 107 is grounded, so that the MOS tube 107 is cut off, no current flows through the LED lamp 104, and the LED lamp is turned off;
the fourth gear switch 108 is shifted to the third gear, the eleventh resistor R111 and the eighth resistor R108 are connected in series, the voltage of the timing end (corresponding to 2 pins) of the infrared sensor U103 is 3.3/(the eleventh resistor R111+ the eighth resistor R108) × the eleventh resistor R111 is 3.3/(1000+220) × 220 is 0.60V, and the delay time is about 30S;
when the fourth gear switch 108 is shifted to the fourth gear, the twelfth resistor R112 and the eighth resistor R108 are connected in series, the voltage at the timing end (corresponding to 2 pins) of the infrared sensor U103 is 3.3/(the twelfth resistor R112+ the eighth resistor R108) × the twelfth resistor R112 is 3.3/(1000+499) × 499 is 1.10V, and the delay time is about 30 min.
In some embodiments, in order to improve the temperature performance of the human body sensing circuit 106, a first capacitor C101, a second capacitor C102, a three-terminal regulator U102, a fourth capacitor C104, and a fifth capacitor C105 may be disposed in the LDO circuit 105, wherein the first capacitor C101 and the second capacitor C102 are used for input filtering, and the fourth capacitor C104 and the fifth capacitor C105 are used for output filtering.
Specifically, one end of the first capacitor C101 and one end of the second capacitor C102 are respectively connected to a power input end (corresponding to pin 1) of the three-terminal regulator U102.
The output end (corresponding to 3 pins) of the three-terminal regulator tube U102 is connected with one end of the fourth capacitor C104 and one end of the fifth capacitor C105 and the power input end (corresponding to 4 pins) of the infrared sensor U103.
The other ends of the first capacitor C101, the second capacitor C102, the fourth capacitor C104 and the fifth capacitor C105 are respectively connected to a common terminal.
In some embodiments, the LED lighting device further comprises a charging circuit 102, wherein a power input of the charging circuit 102 is connected to the output of the USB101, and an output of the charging circuit 102 is connected to an input of the LDO circuit 105 and an anode of the LED lamp 104.
Specifically, the charging circuit 102 connects the battery lamp with a USB101 charging line of a 5V1A charger or a USB interface of a computer, the 5V power is filtered by a third capacitor C103 and enters a 4-pin VCC of the lithium battery charging management chip U101, and the charging management chip U101 starts to work when power is supplied.
The 1 pin of the charging management chip U101 outputs low level, and a red indicator lamp is turned on (corresponding to the LED 1); the 5 pin outputs a high level and the green indicator light (corresponding to the LED2) is off.
If the voltage of the lithium battery 103 is lower than 2.9V, the lithium battery 103 enters a trickle charging mode, and the charging current is 20% of the constant-current charging;
when the voltage of the lithium battery 103 is higher than 2.9V, the lithium battery 103 enters a constant current charging mode, and the charging current is 1100/R4-1100/3-367 mA;
when the voltage of the lithium battery 103 is higher than 4.2V, the lithium battery 103 enters a constant voltage charging mode;
when the charging current of the lithium battery 103 is less than the set 10%, namely less than 36.7mA, the lithium battery 103 stops charging; the 1 pin of the charging management chip U101 outputs high level, and a red indicator lamp (corresponding to the LED1) is turned off; the 5 pin output of the charging management chip U101 is low, and the green indicator light is on (corresponding to the LED 2).
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (6)
1. The utility model provides a human response area of intelligence charging glare-free LED lamp which characterized in that possesses:
the input end of the LDO circuit is connected with the anode of the lithium battery and is used for receiving a voltage signal output by the lithium battery;
the human body sensing circuit is connected with the output end of the LDO circuit at the power supply input end and is used for sensing a displacement signal of a target object and converting the displacement signal into a level signal;
the grid electrode of the MOS tube is connected with a signal output end of the human body induction circuit and is used for receiving the level signal;
the drain electrode of the MOS tube is connected with the cathode of the LED lamp, and the anode of the LED lamp is connected with the anode of the lithium battery;
a fourth-gear switch, the first end of which is connected with the drain electrode of the MOS tube, the second end of which is connected with the grid electrode of the MOS tube, and the third end of which is connected with the timing end of the human body induction circuit at the fourth end;
when the level signal is at a low level, the LED lamp is in a closed state;
when the level signal is a high level, the high level is used for controlling the conduction of the MOS tube, so that the LED lamp is powered on and started, and when the gear of the four-gear switch is adjusted, the working mode of the LED lamp can be changed.
2. The intelligent human body induction charging non-glare LED lamp according to claim 1,
the human body induction circuit comprises an infrared sensor and a photosensitive diode,
a signal output end of the infrared sensor is connected with a grid electrode of the MOS tube, and a timing end of the infrared sensor is respectively connected with a third end and a fourth end of the four-gear switch;
one input end of the photosensitive diode is connected with the enabling end of the infrared sensor, and the output end of the photosensitive diode is connected with the public end.
3. The intelligent human body induction charging non-glare LED lamp according to claim 2,
the human body induction circuit also comprises an eleventh resistor and a twelfth resistor,
one end of the eleventh resistor and one end of the twelfth resistor are respectively connected with the timing end of the infrared sensor,
the other end of the eleventh resistor is coupled to the third end of the four-gear switch;
the other end of the twelfth resistor is coupled to the fourth end of the fourth-stage switch.
4. The intelligent human body induction charging non-glare LED lamp according to claim 1,
the MOS tube is an N-channel enhanced MOS tube.
5. The intelligent human body induction charging non-glare LED lamp according to claim 1 or 2,
still include charging circuit, charging circuit's power input end is connected with USB's output, charging circuit's output respectively with LDO circuit's input reaches the positive pole of LED lamp is connected.
6. The intelligent human body induction charging non-glare LED lamp according to claim 2,
the LDO circuit comprises a first capacitor, a second capacitor, a three-terminal voltage regulator tube, a fourth capacitor and a fifth capacitor,
one end of the first capacitor and one end of the second capacitor are respectively connected with the power input end of the three-end voltage regulator tube,
the output end of the three-end voltage regulator tube is connected with one end of the fourth capacitor and one end of the fifth capacitor and the power input end of the infrared sensor;
the other ends of the first capacitor, the second capacitor, the fourth capacitor and the fifth capacitor are respectively connected with a common end.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022627580.0U CN213694216U (en) | 2020-11-13 | 2020-11-13 | Intelligent human body induction charging glare-free LED lamp |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022627580.0U CN213694216U (en) | 2020-11-13 | 2020-11-13 | Intelligent human body induction charging glare-free LED lamp |
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| CN213694216U true CN213694216U (en) | 2021-07-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114501749A (en) * | 2022-02-18 | 2022-05-13 | 深圳市维盛泰光电有限公司 | Non-hole hand-scanning light-regulating switch |
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2020
- 2020-11-13 CN CN202022627580.0U patent/CN213694216U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114501749A (en) * | 2022-02-18 | 2022-05-13 | 深圳市维盛泰光电有限公司 | Non-hole hand-scanning light-regulating switch |
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