CN114158165A - Low-power consumption human body inductor - Google Patents

Low-power consumption human body inductor Download PDF

Info

Publication number
CN114158165A
CN114158165A CN202111237503.7A CN202111237503A CN114158165A CN 114158165 A CN114158165 A CN 114158165A CN 202111237503 A CN202111237503 A CN 202111237503A CN 114158165 A CN114158165 A CN 114158165A
Authority
CN
China
Prior art keywords
voltage
low
circuit
human body
power consumption
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111237503.7A
Other languages
Chinese (zh)
Inventor
陈仪
何权昌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Century Concept Ltd
Original Assignee
Century Concept Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Century Concept Ltd filed Critical Century Concept Ltd
Priority to CN202111237503.7A priority Critical patent/CN114158165A/en
Publication of CN114158165A publication Critical patent/CN114158165A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
    • H05B47/13—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by using passive infrared detectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
    • H01H47/04—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current
    • H01H47/043—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current making use of an energy accumulator
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
    • H01H47/223—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil adapted to be supplied by AC
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
    • H01H47/32—Energising current supplied by semiconductor device
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/16—Controlling the light source by timing means
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The invention discloses a low-power-consumption human body inductor which comprises a low-power-consumption step-down rectifier, a forward-reverse pulse voltage circuit, a magnetic latching relay, a load, a micro-power infrared induction control circuit, a voltage monitoring circuit, a brightness adjusting circuit and a time adjusting circuit, wherein one end of the low-power-consumption step-down rectifier is electrically connected with a voltage input end, the low-power-consumption step-down rectifier, the forward-reverse pulse voltage circuit, the magnetic latching relay and the load are sequentially electrically connected, the low-power-consumption step-down rectifier and the forward-reverse pulse voltage circuit are respectively and electrically connected with the micro-power infrared induction control circuit, the micro-power infrared induction control circuit is respectively and electrically connected with the voltage monitoring circuit, the brightness adjusting circuit and the time adjusting circuit, and one end of the voltage monitoring circuit is also electrically connected with the voltage input end. Has the advantages that: the low power consumption, the power consumption is few, and at the in-process of opening and closing, has detected input voltage, and the relay switches on and shuts off when alternating voltage is in the low ebb, reduces the current rush, has prolonged product life greatly.

Description

Low-power consumption human body inductor
Technical Field
The invention relates to the technical field of inductors, in particular to a low-power-consumption human body inductor.
Background
The existing human body inductor has the following defects:
less than 1: the whole machine has large power consumption and more electricity consumption when in work;
and less than 2: the relay has large current impact during switching on and switching off and short service life.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The present invention is directed to a human body sensor with low power consumption, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a human inductor of low-power consumption, includes that low-power consumption step-down rectification, change positive inverted pulse voltage circuit, magnetism protect relay, load, micropower infrared induction control, voltage monitoring, adjustting of the lighteness and time regulation, low-power consumption step-down rectification one end and voltage input end electric connection, electric connection in proper order between relay and the load is protected to low-power consumption step-down rectification, change positive inverted pulse voltage circuit, magnetism, low-power consumption step-down rectification and change positive inverted pulse voltage circuit respectively with micropower infrared induction control between the electric connection, micropower infrared induction control respectively with voltage monitoring, adjustting of the lighteness and time regulation between the electric connection, voltage monitoring one end also with voltage input end electric connection.
Further, the input voltage is rectified, a constant current source is formed by R2, Q1, ZD1, R3, Q2 and R4, voltage is stabilized by a ZD2 voltage stabilizing tube at 15V, 15V voltage R5, ZD3 and Q3 are output after filtering by C1 to form a voltage stabilizing 5V circuit, and the voltage stabilizing 5V circuit is output after filtering by C2.
Furthermore, the infrared human body induction control circuit induces human body heat by the PIR element, and outputs signals to the U1 control chip by combining with C13, R16 and C12; the peripheral parts of the pins 11, 12 and 13 of the U1 and the internal circuit of the U1 form first-stage signal amplification, the external parts of the pins 14, 15 and 16 of the U1 and the internal circuit of the U1 form second-stage signal amplification, and the signals are amplified in two stages and then are output through internal operation control.
Furthermore, the peripheral part of 1 and 3 feet of U1 and internal circuit constitute output time control, and when the PIR part does not sense the signal, can also output how long time (for example how long the light that lights just goes out after the people walk), VR1 is outside adjustable resistance, adjusts VR1, and the time delay is adjustable from 30 seconds to 30 minutes scope.
Further, pin 2 of U1 is a signal output pin.
Further, the 4-pin interior of U1 and the external R7 and C5 constitute a frequency of about 16KHz for IC internal use.
Further, pin 5 of U1 and external parts, detect the waveform of the input voltage; the commercial power N line is divided by R8 and R9 to limit the current, and is filtered by D5 and C6 to be under negative pressure and interference, and is controlled by an IC internal logic circuit, when the sinusoidal voltage of the commercial power is detected to be near a zero crossing point, a 4-pin signal is output or turned off to control the voltage of a load to be turned on and off at a low voltage, the flashover phenomenon of a contact of an output relay during switching is reduced, and the service life of a product can be greatly prolonged.
Furthermore, the 6 feet of the U1 and external parts form luminosity control, the CDS is a photoresistor, the VR2 is an external adjustable resistor, the VR2 is adjusted, the partial pressure on the photoresistor can be changed, the luminosity can be adjusted within the range of 10lux-1000lux, daytime non-operation is achieved, the luminosity is lower than the brightness within the adjusting range, and the output is only achieved when the PIR parts are sensed.
Further, when the output RELAY control circuit is just started, the RELAY signal is at a low level, Q5 and Q6 are in an off state, 15V voltage is supplied with power through R30 and Q4, Q4 is conducted, a power supply charges C14 through Q4 and M1 magnetic latching RELAY coils, meanwhile, 2 feet of a coil of M1 are positive, 1 foot of the coil is negative, and the RELAY is in an off state; when the RELAY signal is at high level, Q5 is turned on due to the high level of G, Q4 is turned off due to the discharge reduction of the G voltage from Q5, Q6 is turned on due to the high level of G, the C14 voltage is discharged through Q6 and an M1 coil, at the moment, the 1 pin of the M1 coil is positive, the 2 pin is negative, the RELAY attracts and the load electricity works.
Compared with the prior art, the invention has the following beneficial effects: the low power consumption, the power consumption is few, and at the in-process of opening and closing, has detected input voltage, and the relay switches on and shuts off when alternating voltage is in the low ebb, reduces the current rush, has prolonged product life greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of a low power human body sensor according to an embodiment of the invention;
FIG. 2 is a schematic diagram of rectification from an input voltage according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an infrared human body sensing control circuit according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a zero crossing point of a mains sine wave voltage according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of an output relay control circuit according to an embodiment of the present invention;
FIG. 6 is a waveform of a coil when an output relay is off, according to an embodiment of the present invention;
fig. 7 is a waveform diagram of an output relay on coil in accordance with an embodiment of the present invention.
Detailed Description
The invention is further described with reference to the following drawings and detailed description:
referring to fig. 1, a low power consumption human body sensor according to an embodiment of the present invention includes a low power consumption step-down rectification, a forward/reverse pulse voltage conversion circuit, a magnetic latching relay, a load, a micro power infrared sensing control, a voltage monitoring circuit, a brightness adjustment circuit, and a time adjustment circuit, wherein one end of the low power consumption step-down rectification is electrically connected to a voltage input end, the low power consumption step-down rectification, the forward/reverse pulse voltage conversion circuit, the magnetic latching relay, and the load are electrically connected in sequence, the low power consumption step-down rectification circuit and the forward/reverse pulse voltage conversion circuit are respectively electrically connected to the micro power infrared sensing control, the micro power infrared sensing control is respectively electrically connected to the voltage monitoring circuit, the brightness adjustment circuit, and the time adjustment circuit, and one end of the voltage monitoring circuit is also electrically connected to the voltage input end.
Referring to fig. 2, an input voltage is rectified, a constant current source is formed by R2, Q1, ZD1, R3, Q2 and R4, a voltage is stabilized by a ZD2 voltage-stabilizing tube by 15V, and a 15V voltage is output after filtering by C1; r5, ZD3 and Q3 form a voltage-stabilizing 5V line, and the voltage-stabilizing 5V line is filtered by C2 and then output.
Referring to fig. 3, the infrared human body sensing control circuit senses human body heat by the PIR element, combines with C13, R16 and C12, and outputs a signal to the U1 control chip; the peripheral parts of the pins 11, 12 and 13 of the U1 and the internal circuit of the U1 form first-stage signal amplification, the external parts of the pins 14, 15 and 16 of the U1 and the internal circuit of the U1 form second-stage signal amplification, and the signals are amplified in two stages and then are output through internal operation control.
According to the scheme of the invention, the output time control consisting of the peripheral parts of the 1 and 3 pins of the U1 and the internal circuit is used for outputting the time (for example, the time for turning on the lamp after a person walks) when the PIR part does not sense the signal, VR1 is an external adjustable resistor, VR1 is adjusted, and the delay time is adjustable from 30 seconds to 30 minutes.
According to the scheme of the invention, the pin 2 of the U1 is a signal output pin.
According to the scheme of the invention, the frequency of about 16KHz is formed by the internal part of the 4 pins of the U1 and the external R7 and C5, and the frequency is used for the internal part of the IC.
Referring to fig. 4, pin 5 of U1 and external components detect the waveform of the input voltage; the commercial power N line is divided by R8 and R9 to limit the current, and is filtered by D5 and C6 to be under negative pressure and interference, and is controlled by an IC internal logic circuit, when the sinusoidal voltage of the commercial power is detected to be near a zero crossing point, a 4-pin signal is output or turned off to control the voltage of a load to be turned on and off at a low voltage, the flashover phenomenon of a contact of an output relay during switching is reduced, and the service life of a product can be greatly prolonged.
According to the scheme of the invention, the 6 pins of the U1 and external parts form luminosity control, the CDS is a photoresistor, the VR2 is an external adjustable resistor, the VR2 is adjusted, the partial voltage on the photoresistor can be changed, the luminosity can be adjusted within the range of 10lux-1000lux, daytime non-operation is realized, the brightness is lower than the brightness within the adjustment range, and the output is realized only when the PIR parts are sensed.
Referring to fig. 5, when the output RELAY control circuit is just turned on, the RELAY signal is low, Q5 and Q6 are off, 15V voltage is supplied through R30 and Q4, Q4 is on, the power supply charges C14 through Q4 and M1 magnetic latching RELAY coil, during which, pin 2 of M1 is positive, pin 1 is negative, and the RELAY is off; when the RELAY signal is at high level, Q5 is turned on due to the fact that G is at high level, Q4 is turned off due to the fact that G voltage is discharged and reduced from Q5, Q6 is turned on due to the fact that G is at high level, C14 voltage is discharged through Q6 and an M1 coil, at the moment, 1 pin of the M1 coil is positive, 2 pins are negative, the RELAY attracts, and the load works electrically.
Because M1 is for magnetism relay, the relay disconnection or actuation just can be made in the charge-discharge of C14, and after C14 charges and discharges and accomplishes, keep its state by the inside magnet of relay, so its loss is extremely low, through 5 products of test, when having output and the complete machine consumption when closing is the same, and the data is as follows:
Figure RE-GDA0003473915550000041
finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a human inductor of low-power consumption, its characterized in that, includes low-power consumption step-down rectification, changes positive back pulse voltage circuit, magnetism and protects relay, load, micropower infrared induction control, voltage monitoring, adjustting of the lighteness and time adjustment, low-power consumption step-down rectification one end and voltage input end electric connection, electric connection in proper order between low-power consumption step-down rectification, change positive back pulse voltage circuit, magnetism and the load, low-power consumption step-down rectification and change positive back pulse voltage circuit respectively with micropower infrared induction control between the electric connection, micropower infrared induction control respectively with voltage monitoring, adjustting of the lighteness and time adjustment between the electric connection, voltage monitoring one end also with the voltage input end electric connection.
2. The human body inductor with low power consumption of claim 1, wherein the human body inductor is rectified from an input voltage, forms a constant current source by R2, Q1, ZD1, R3, Q2 and R4, is stabilized by a ZD2 voltage regulator tube for 15V, and outputs 15V voltage after being filtered by C1; r5, ZD3 and Q3 form a voltage-stabilizing 5V line, and the voltage-stabilizing 5V line is filtered by C2 and then output.
3. The human body sensor with low power consumption of claim 1, wherein the infrared human body sensing control circuit senses human body heat by the PIR element, and outputs signals to the U1 control chip in combination with C13, R16 and C12; the peripheral parts of the pins 11, 12 and 13 of the U1 and the internal circuit of the U1 form first-stage signal amplification, the external parts of the pins 14, 15 and 16 of the U1 and the internal circuit of the U1 form second-stage signal amplification, and the signals are amplified in two stages and then are output through internal operation control.
4. The human body sensor with low power consumption of claim 3, wherein the peripheral parts of pins 1 and 3 of U1 and internal circuits form an output time control, which is how long the PIR part can output signals (for example, how long the lamp is turned on and off after a person walks), VR1 is an external adjustable resistor, VR1 is adjusted, and the delay time is adjustable from 30 seconds to 30 minutes.
5. The low-power human body sensor according to claim 3, wherein pin 2 of U1 is a signal output pin.
6. The human body sensor with low power consumption of claim 3, wherein the frequency of about 16KHz is formed by the internal part of U1 with the external R7 and C5 pins for the internal use of IC.
7. The low-power human body sensor according to claim 3, wherein the pin 5 of U1 and external parts detect the waveform of the input voltage; the commercial power N line is divided by R8 and R9 to limit the current, and is filtered by D5 and C6 to be under negative pressure and interference, and is controlled by an IC internal logic circuit, when the sinusoidal voltage of the commercial power is detected to be near a zero crossing point, a 4-pin signal is output or turned off to control the voltage of a load to be turned on and off at a low voltage, the flashover phenomenon of a contact of an output relay during switching is reduced, and the service life of a product can be greatly prolonged.
8. The human body sensor with low power consumption of claim 3, wherein the 6-pin U1 and external parts form a luminosity control, CDS is a photoresistor, VR2 is an external adjustable resistor, VR2 is adjusted, the partial voltage on the photoresistor can be changed, the luminosity can be adjusted within the range of 10lux-1000lux, daytime non-operation is realized, the brightness is lower than the brightness within the adjustment range, and the output is only generated when the PIR parts sense.
9. The human body inductor with low power consumption of claim 1, wherein when the output RELAY control circuit is just turned on, the RELAY signal is low, Q5 and Q6 are in an off state, 15V voltage is supplied through R30 and Q4, Q4 is turned on, the power supply charges C14 through Q4 and M1 magnetic latching RELAY coil, during which, pin 2 of M1 is positive, pin 1 is negative, and the RELAY is in an off state; when the RELAY signal is at high level, Q5 is turned on due to the fact that G is at high level, Q4 is turned off due to the fact that G voltage is discharged and reduced from Q5, Q6 is turned on due to the fact that G is at high level, C14 voltage is discharged through Q6 and an M1 coil, at the moment, 1 pin of the M1 coil is positive, 2 pins are negative, the RELAY attracts, and the load works electrically.
CN202111237503.7A 2021-10-22 2021-10-22 Low-power consumption human body inductor Pending CN114158165A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111237503.7A CN114158165A (en) 2021-10-22 2021-10-22 Low-power consumption human body inductor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111237503.7A CN114158165A (en) 2021-10-22 2021-10-22 Low-power consumption human body inductor

Publications (1)

Publication Number Publication Date
CN114158165A true CN114158165A (en) 2022-03-08

Family

ID=80458519

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111237503.7A Pending CN114158165A (en) 2021-10-22 2021-10-22 Low-power consumption human body inductor

Country Status (1)

Country Link
CN (1) CN114158165A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE607155A (en) * 1960-08-12 1962-02-12 Fulmen Combined charge regulator device for accumulator battery
CN2496029Y (en) * 2001-08-18 2002-06-19 潍坊五洲鼎嘉维高科技有限公司 Uniphase intelligence card electric meter
CN202586921U (en) * 2012-03-29 2012-12-05 温州永泰电器有限公司 Intelligent infrared induction switch circuit
CN210092949U (en) * 2019-06-25 2020-02-18 华南理工大学 Power supply device applied to power transmission line fault indicator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE607155A (en) * 1960-08-12 1962-02-12 Fulmen Combined charge regulator device for accumulator battery
CN2496029Y (en) * 2001-08-18 2002-06-19 潍坊五洲鼎嘉维高科技有限公司 Uniphase intelligence card electric meter
CN202586921U (en) * 2012-03-29 2012-12-05 温州永泰电器有限公司 Intelligent infrared induction switch circuit
CN210092949U (en) * 2019-06-25 2020-02-18 华南理工大学 Power supply device applied to power transmission line fault indicator

Similar Documents

Publication Publication Date Title
CN105792413B (en) LED intelligent driven controlling systems and light fixture
EP1049361A3 (en) Discharge lamp lighting apparatus
CN105338690B (en) A kind of LED dimming power sources
CN106025729A (en) Intelligent induction socket adopting wireless control
CN109769321A (en) A kind of LED lamp circuit with Delayed extinguishing function
CN203467001U (en) Emergency induction LED lamp
CN114158165A (en) Low-power consumption human body inductor
TWI545895B (en) Contact-less switch and its control method
CN105652695A (en) Body induction electric iron power socket controller
CN202972601U (en) Optically controlled LED tubing lamp
CN206181453U (en) Little night -light of microwave response
CN201708999U (en) Touch led controller
CN113966028A (en) Three-section light-adjustable human body inductor
CN110113842B (en) Ambient light induction control lamp switch circuit
CN204968151U (en) Intelligence lamps and lanterns with wireless function of charging stage by stage
CN111787661A (en) Low-power consumption single live wire electronic control switch circuit
CN203896556U (en) Power supply control circuit of LED lamp
CN209432886U (en) A kind of current detection circuit and current detecting system based on BUCK circuit
TWI491313B (en) Workload indication control circuit and electronic device with the same
CN220457622U (en) Single-live wire switch circuit with built-in induction lighting function and switch
CN207399564U (en) A kind of high-power full voltage input driving circuit suitable for LED
CN212992654U (en) Low-power consumption single live wire electronic control switch circuit
CN219421089U (en) Microwave switch control circuit
TWI404458B (en) Controller circuit of inverter using pulse width modulation (pwm) dimming
CN209787532U (en) infrared induction lamp

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination