CN110267403A - A kind of LED track lamp energy-saving control system - Google Patents

A kind of LED track lamp energy-saving control system Download PDF

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Publication number
CN110267403A
CN110267403A CN201910591880.7A CN201910591880A CN110267403A CN 110267403 A CN110267403 A CN 110267403A CN 201910591880 A CN201910591880 A CN 201910591880A CN 110267403 A CN110267403 A CN 110267403A
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CN
China
Prior art keywords
circuit
light source
driving circuit
track lamp
control system
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Pending
Application number
CN201910591880.7A
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Chinese (zh)
Inventor
黄明波
李玉梅
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Zhongshan Mei Mei Lighting Appliance Co Ltd
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Zhongshan Mei Mei Lighting Appliance Co Ltd
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Application filed by Zhongshan Mei Mei Lighting Appliance Co Ltd filed Critical Zhongshan Mei Mei Lighting Appliance Co Ltd
Priority to CN201910591880.7A priority Critical patent/CN110267403A/en
Publication of CN110267403A publication Critical patent/CN110267403A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

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  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The present invention relates to lighting areas, disclose a kind of LED track lamp energy-saving control system, comprising: more firewire track strips, including track groove body are at least embedded with zero curve, the first firewire and the second firewire in the track groove body;Track lamp component, including being set to the light source track groove intracorporal pedestal and be installed on the pedestal, driving unit is equipped in the pedestal, driving unit includes at least the first driving circuit and the second driving circuit, at least described first firewire is connect by the first driving circuit with light source, and at least described second firewire is connect by the second driving circuit with light source;ON-OFF control circuit, for being separately or cooperatively light source power supply according to preset rules the first driving circuit of control and the second driving circuit.The embodiment of the present invention has greatly saved electric energy, while light decay can be effectively controlled, and reduces the heat dissipation capacity of track lamp, to extend the service life of track lamp.

Description

A kind of LED track lamp energy-saving control system
Technical field
The present invention relates to lighting area more particularly to a kind of LED track lamp energy-saving control systems.
Background technique
Because track lamp has the advantages that position flexibly and light angle is changeable, market, supermarket, shop and commercial center at present Track lamp is widely used as illuminator.
However, existing track lamp uses the drive circuitry of a power invariability, it can not according to the needs of use in real time Change power supply and lighting method, significantly increases power consumption.With 2000m2Commercial place, every square meter use 1 30w track For lamp illumination, it is a no small cost payout for businessman that the normal illumination power consumption of one hour, which is 60 degree, in order to Achieve the purpose that power saving, the mode for generalling use sub-control at present extinguishes the track lamp of half, although this method reduces half Electric energy loss, apparent dark space is but formd on lighting environment, affects user experience, also inconvenient market monitoring management. Simultaneously as track lamp uses a drive circuitry, light source light decay is higher, and when driving failure, whole lamp can all extinguish, Increase the later maintenance cost in market.
Summary of the invention
To overcome existing track lamp to cannot be considered in terms of energy consumption and illuminating effect, light source light decay height, market later maintenance cost High problem, the embodiment of the invention provides a kind of LED track lamp energy-saving control systems, comprising:
More firewire track strips, including track groove body are at least embedded with zero curve, the first firewire and second in the track groove body Firewire;
Track lamp component, including being set to the light source track groove intracorporal pedestal and be installed on the pedestal, institute It states and is equipped with driving unit in pedestal, driving unit includes at least the first driving circuit and the second driving circuit, and at least described first Firewire is connect by the first driving circuit with light source, and at least described second firewire is connect by the second driving circuit with light source;
ON-OFF control circuit, for controlling the first driving circuit and the second driving circuit separately or cooperatively according to preset rules For light source power supply.
Further, the rated power of light source described above is 3 times of output power of first driving circuit, described the The output power of two driving circuits is 2 times of the first drive circuitry power.
Further, ON-OFF control circuit described above be specifically used for control the first driving circuit be individually for light source power supply or Control the second driving circuit be individually for light source power supply or control the first driving circuit and the second driving circuit be jointly light source supply Electricity.
Further, control system described above includes isolated area control circuit, and isolated area control circuit is used for institute There are more firewire track strips to be divided into different zones, the ON-OFF control circuit is used to control the track in each region according to preset rules The first driving circuit and the second driving circuit of lamp group part are separately or cooperatively light source power supply.
Further, control system described above further includes processor and the sensing set on each area entry and exit Device, the processor are used to determine the real-time number in each region according to the sensor of each area entry and exit;
The ON-OFF control circuit, for according in each region real-time number and current time control the rail in each region The first driving circuit and the second driving circuit of road lamp group part are separately or cooperatively light source power supply.
Further, sensor described above includes infrared sensor, ultrasonic sensor or image sensor.
Further, the first driving circuit described above includes sequentially connected first high-voltage rectifying filter circuit, the first perseverance Flow control circuit, the first reduction voltage circuit and the first lower pressure rectifier filter circuit;Second driving circuit includes sequentially connected Second high-voltage rectifying filter circuit, the second constant-current control circuit, the second reduction voltage circuit and the second lower pressure rectifier filter circuit.
Further, the first lower pressure rectifier filter circuit described above includes the first rectifier diode, the first rectifier diode Anode connect with the first end of the first reducing transformer secondary coil in the first reduction voltage circuit, the cathode and light of the first rectifier diode The connection of source anode, the first lower pressure rectifier filter circuit further includes the first filter capacitor, one end of first filter capacitor It is connected between the cathode of the first rectifier diode and light source anode, the other end of the first filter capacitor is connected to the first reducing transformer Between the second end and light source cathode of secondary coil.
Further, the second lower pressure rectifier filter circuit described above includes the second rectifier diode, the second rectifier diode Anode connect with the first end of the second reducing transformer secondary coil in the second reduction voltage circuit, the cathode and light of the second rectifier diode The connection of source anode, the second lower pressure rectifier filter circuit further include the second filter capacitor and voltage regulation resistance, second filtering One end of capacitor and voltage regulation resistance is connected between the cathode of the second rectifier diode and light source anode, the second filter capacitor and steady The other end of piezoresistance is connected between the second end and light source cathode of the second reducing transformer secondary coil.
Further, ON-OFF control circuit and processor described above are set in integrated electronic box, are also set in the integrated electronic box There is personal control, is additionally provided with earth leakage protective device between the integrated electronic box and more firewire track strips.
The embodiment of the present invention includes at least more firewire track strips and at least of the first firewire and the second firewire by providing Track lamp component including the first driving circuit and the second driving circuit, by ON-OFF control circuit according to preset rules control the One drive circuit and the second driving circuit are separately or cooperatively light source power supply, so that the first driving circuit and the second driving circuit can With as needed individually or collectively for light source power supply, with above-mentioned 2000m2Commercial place, every square meter use 1 30w track lamp It, can be non-when the output power of the first driving circuit is 10W, and the output power of the second driving circuit is 20W for illumination The business period stands alone as light source power supply using the first driving circuit, and one hour at this time energy consumption is 20 degree, uses the in the idle period Two driving circuits stand alone as light source power supply, and one hour at this time energy consumption is 40 degree, use the first driving circuit and the in the busy period Two driving circuits are light source power supply jointly, and one hour at this time energy consumption is 60 degree.Track lamp control system of the invention can basis The volume of the flow of passengers is avoided the peak hour the period, the power of Discrete control adjustable track lamp and brightness, under the premise of not forming dark space, is greatly saved Electric energy.Meanwhile the present invention at least uses double drive circuit for track lamp power supply, effectively extends the service life of light source, and can have Effect control light decay, reduces the heat dissipation capacity of track lamp, to extend the service life of track lamp.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is the structural schematic diagram of the LED track lamp energy-saving control system of first embodiment of the invention;
Fig. 2 is the circuit structure block diagram of the LED track lamp energy-saving control system of first embodiment of the invention;
Fig. 3 is the circuit diagram of the driving unit of first embodiment of the invention;
Fig. 4 is the circuit structure block diagram of the LED track lamp energy-saving control system of second embodiment of the invention;
Fig. 5 is the circuit structure block diagram of the LED track lamp energy-saving control system of third embodiment of the invention.
Specific embodiment
In order to which the technical problems, technical solutions and beneficial effects solved by the present invention is more clearly understood, below in conjunction with Accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used To explain the present invention, it is not intended to limit the present invention.
When the embodiment of the present invention refers to the ordinal numbers such as " first ", " second " (if present), unless based on context it is true The meaning of real order of representation, it should be understood that only play differentiation and be used.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " (if present) shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or one Ground connection;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, the indirect phase of intermediary can also be passed through Even, it can be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition above-mentioned The concrete meaning of term in the present invention.
First embodiment:
It please refers to shown in Fig. 1 to Fig. 3, the embodiment of the invention discloses a kind of LED track lamp energy-saving control systems, comprising:
More firewire track strips 1, including track groove body are at least embedded with zero curve, the first firewire and in the track groove body Two firewires;
Track lamp component 2, including being set to the light track groove intracorporal pedestal 21 and be installed on the pedestal 21 Source 22, the pedestal 21 is interior to be equipped with driving unit, and driving unit includes at least the first driving circuit and the second driving circuit, at least First firewire is connect by the first driving circuit with light source 22, and at least described second firewire passes through the second driving circuit and light Source 22 connects;
ON-OFF control circuit 15, for individually or total according to preset rules the first driving circuit of control and the second driving circuit It is all that light source 22 is powered.
In the present embodiment, more firewire track strips 1 can be four trajectory items, can also be embedded with ground in track groove body Line.As a kind of preferred embodiment, the rated power of above-mentioned light source 22 is the 3 of the output power of first driving circuit Times, the output power of second driving circuit is 2 times of the first drive circuitry power.Illustratively, the first driving electricity The output power on road is 10w, and the output power of the second driving circuit is 20w, and the rated power of light source 22 is 30w.Pass through switch The control of control circuit 15 can make the work of light source 22 under three kinds of different power, so that market has more more options.
As the power supply plan of two kinds of firewires, above-mentioned ON-OFF control circuit is specifically used for the first driving circuit of control and is individually for The power supply of light source 22 or the second driving circuit of control are individually for the power supply of light source 22 or the first driving circuit of control and the second driving electricity Road is that light source 22 is powered jointly.
It should be noted that more firewire track strips of the invention can also include third firewire, driving unit can also be wrapped Third driving circuit is included, so that the at most work of light source 22 preferably realizes the smoothed of 22 brightness of illumination of light source under 7 kinds of frequencies It crosses.
As a kind of preferred embodiment, shown referring to figure 3., the first driving circuit described above includes sequentially connected First high-voltage rectifying filter circuit 3, the first constant-current control circuit 4, the first reduction voltage circuit 5 and the first lower pressure rectifier filter circuit 6; Second driving circuit includes sequentially connected second high-voltage rectifying filter circuit 7, the second constant-current control circuit 8, second drop Volt circuit 9 and the second lower pressure rectifier filter circuit 10.First high-voltage rectifying filter circuit 3 is used to carry out 220V electric main whole Stream filtering, so that it becomes the direct current of 300V or so;First constant-current control circuit 4 is for becoming the direct current of 300V or so The high-frequency alternating current of 50-100KHZ realizes the constant current function of LED;First reduction voltage circuit 5 is used to hand over the high frequency of 50-100KHZ Galvanic electricity becomes the applicable low exchange piezoelectricity of LED;First lower pressure rectifier filter circuit 6 is used to low-voltage AC being converted to direct current Electricity.Each circuit in second driving circuit is approximate with the function of the first driving circuit, and the present embodiment does not repeat.
Above-mentioned first lower pressure rectifier filter circuit 6 includes the first rectifier diode D7, the anode of the first rectifier diode D7 The first end for being depressured the first reducing transformer T1 secondary coil in electric 5 tunnels with first is connect, the cathode and light of the first rectifier diode D7 Source anode LED+ connection, the first lower pressure rectifier filter circuit 6 further include the first filter capacitor CY2, first filtered electrical The one end for holding CY2 is connected between the cathode of the first rectifier diode D7 and light source anode LED+, and the first filter capacitor D7's is another One end is connected between the second end and light source cathode LED- of the first reducing transformer T1 secondary coil.
Second lower pressure rectifier filter circuit 10 described above includes the second rectifier diode D3, the second rectifier diode D3's Anode is connect with the first end of the second reducing transformer secondary coil T2 in the second reduction voltage circuit 9, the cathode of the second rectifier diode D3 It is connect with light source anode LED+, the second lower pressure rectifier filter circuit 10 further includes the second filter capacitor CE3 and voltage regulation resistance The cathode and light source that one end of R1, the second filter capacitor CE3 and voltage regulation resistance R1 are connected to the second rectifier diode D3 are just Between the LED+ of pole, the other end of the second filter capacitor CE3 and voltage regulation resistance R1 are connected to the of the second reducing transformer T2 secondary coil Between two ends and light source cathode LED-.
ON-OFF control circuit 15 described above is set in integrated electronic box 11, is additionally provided with and is manually controlled in the integrated electronic box 11 Device 12 is additionally provided with earth leakage protective device 13 between the integrated electronic box 11 and more firewire track strips 1.The switch control electricity of the present embodiment Road 15, personal control 12 and earth leakage protective device 13 are set in integrated electronic box 11, can be by the batch metaplasia of integrated electronic box 11 It produces and reduces live time of allocation and cost of labor.
As a preferred embodiment, more firewire track strips 1 can be attached by guide rail connector 14, to extend its cloth Length is set, convenient for powering for large area market.
The embodiment of the present invention includes at least more firewire track strips and at least of the first firewire and the second firewire by providing Track lamp component including the first driving circuit and the second driving circuit, by ON-OFF control circuit according to preset rules control the One drive circuit and the second driving circuit are separately or cooperatively light source power supply, so that the first driving circuit and the second driving circuit can With as needed individually or collectively for light source power supply, with above-mentioned 2000m2Commercial place, every square meter use 1 30w track lamp It, can be non-when the output power of the first driving circuit is 10W, and the output power of the second driving circuit is 20W for illumination The business period stands alone as light source power supply using the first driving circuit, and one hour at this time energy consumption is 20 degree, uses the in the idle period Two driving circuits stand alone as light source power supply, and one hour at this time energy consumption is 40 degree, use the first driving circuit and the in the busy period Two driving circuits are light source power supply jointly, and one hour at this time energy consumption is 60 degree.Track lamp control system of the invention can basis The volume of the flow of passengers is avoided the peak hour the period, the power of Discrete control adjustable track lamp and brightness, under the premise of not forming dark space, is greatly saved Electric energy.Meanwhile the present invention at least uses double drive circuit for track lamp power supply, effectively extends the service life of light source, and can have Effect control light decay, reduces the heat dissipation capacity of track lamp, to extend the service life of track lamp.
Second embodiment:
Shown in referring to figure 4., unlike above-mentioned first embodiment, the control system of the present embodiment includes isolated area Control circuit, isolated area control circuit are used to for all more firewire track strips being divided into different zones, the switch control electricity The first driving circuit and the second driving circuit of track lamp component of the road for controlling each region according to preset rules are individually or total It is all light source power supply.
In the present embodiment, ON-OFF control circuit and isolated area control circuit are set in integrated electronic box, the integrated electricity It is additionally provided with personal control in case, is additionally provided with earth leakage protective device between the integrated electronic box and more firewire track strips.
In the present embodiment, the spaces such as warehouse, cashier, shelf area, hovel can be divided into different areas by market Domain.Its suitable power supply control rule is set by respective isolated area control circuit, it is more smart relative to first embodiment Thin and hommization, energy saving under the premise of guaranteeing to promote user experience control light decay, ensure the service life of track lamp.
3rd embodiment:
Shown in referring to figure 5., unlike above-mentioned second embodiment, the control system of the present embodiment further includes processing Device and sensor set on each area entry and exit (represent in the same area for each sensor in easy figure of drawing The sensor summation of mouth and exit), the processor is used to determine each area according to the sensor of each area entry and exit Real-time number in domain;
The ON-OFF control circuit, for according in each region real-time number and current time control the rail in each region The first driving circuit and the second driving circuit of road lamp group part are separately or cooperatively light source power supply.
Illustratively, sensor can be set different shelf areas (such as household electrical appliances area, daily necessities area, food court) it is necessary enter Mouthful and exit, the entrance by counting corresponding region in a certain period enters number and number is left in outlet, can determine pair The real-time number in region is answered, and controls according to real-time number and current time the brightness of illumination of the track lamp component in each region.
It in the present embodiment, include the scheme of third firewire and third driving circuit preferably in first embodiment, so that light Source at most works under 7 kinds of power, so that control system can satisfy the power supply plan of more more rules.Illustratively, it first drives The power of dynamic circuit is 5w, and the power of the second driving circuit is 9w, and the power of third driving circuit is 16w, the then power supply of light source Power may include 7 kinds of schemes such as 5w, 9w, 14w, 16w, 21w, 25w, 30w.
As a preferred embodiment, processor further includes time delay module, when the number of corresponding region is constant in certain predetermined When in range, ON-OFF control circuit just changes light source power supply scheme, is advantageous in that using time delay module and avoids passing through because of customer The case where corresponding region causes power supply plan variation too fast, influences Customer Experience generation.Meanwhile when the number in corresponding region Increase or decrease it is very fast so that the lighting power of light source have large change amplitude (when such as from the near 14w of 25w), processor use In being changed stepwise by initial power to target power according to all optional power, illustratively, the time interval of variation be can be 15s.The power of light source can eventually become 14w through 21w, 16w by 25w.Since the changed power of light source tends to linearly, so that according to Bright environment will not become bright or dull suddenly, improve the usage experience of customer.
Non-limiting as an example, the sensor of the present embodiment includes infrared sensor, ultrasonic sensor or figure Shape sensor.
In the present embodiment, ON-OFF control circuit and processor are set in integrated electronic box, are additionally provided in the integrated electronic box Personal control is additionally provided with earth leakage protective device between the integrated electronic box and more firewire track strips.
The above is merely preferred embodiments of the present invention, it is not intended to limit the invention.As control system can also wrap It includes comprising the 4th firewire and the 4th driving circuit etc..It is any modification done within the spirit and principles of the present invention, equivalent Replacement and improvement etc., should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of LED track lamp energy-saving control system, comprising:
More firewire track strips, including track groove body are at least embedded with zero curve, the first firewire and the second fire in the track groove body Line;
Track lamp component, including being set to the light source track groove intracorporal pedestal and be installed on the pedestal, the seat It is equipped with driving unit in vivo, driving unit includes at least the first driving circuit and the second driving circuit, at least described first firewire It is connect by the first driving circuit with light source, at least described second firewire is connect by the second driving circuit with light source;
ON-OFF control circuit, for being separately or cooperatively light according to preset rules the first driving circuit of control and the second driving circuit Source power supply.
2. LED track lamp energy-saving control system as described in claim 1, which is characterized in that the rated power of the light source is 3 times of the output power of first driving circuit, the output power of second driving circuit are the first drive circuitry 2 times of power.
3. LED track lamp energy-saving control system as claimed in claim 2, which is characterized in that the ON-OFF control circuit is specific For controlling, the first driving circuit is individually for light source power supply or the second driving circuit of control is individually for light source power supply or control the One drive circuit and the second driving circuit are light source power supply jointly.
4. LED track lamp energy-saving control system as claimed in claim 3, which is characterized in that the control system includes independent Area control circuit, isolated area control circuit are used to for all more firewire track strips being divided into different zones, the switch control The first driving circuit and the second driving circuit of track lamp component of the circuit processed for controlling each region according to preset rules are independent It or is jointly light source power supply.
5. LED track lamp energy-saving control system as claimed in claim 4, which is characterized in that the control system further includes place Device and the sensor set on each area entry and exit are managed, the processor is used for according to each area entry and exit Sensor determine the real-time number in each region;
The ON-OFF control circuit, for according in each region real-time number and current time control the track lamp in each region The first driving circuit and the second driving circuit of component are separately or cooperatively light source power supply.
6. LED track lamp energy-saving control system as claimed in claim 5, which is characterized in that the sensor includes infrared biography Sensor, ultrasonic sensor or image sensor.
7. such as LED track lamp energy-saving control system as claimed in any one of claims 1 to 6, which is characterized in that first driving Circuit includes that sequentially connected first high-voltage rectifying filter circuit, the first constant-current control circuit, the first reduction voltage circuit and first are low Press current rectifying and wave filtering circuit;Second driving circuit includes sequentially connected second high-voltage rectifying filter circuit, the second constant current control Circuit, the second reduction voltage circuit and the second lower pressure rectifier filter circuit processed.
8. LED track lamp energy-saving control system as claimed in claim 7, which is characterized in that the first lower pressure rectifier filtering Circuit includes the first rectifier diode, anode and the first reducing transformer secondary coil in the first reduction voltage circuit of the first rectifier diode First end connection, the cathode of the first rectifier diode connect with light source anode, and the first lower pressure rectifier filter circuit also wraps The first filter capacitor is included, one end of first filter capacitor is connected to the cathode and light source anode of the first rectifier diode Between, the other end of the first filter capacitor is connected between the second end and light source cathode of the first reducing transformer secondary coil.
9. LED track lamp energy-saving control system as claimed in claim 8, which is characterized in that the second lower pressure rectifier filtering Circuit includes the second rectifier diode, anode and the second reducing transformer secondary coil in the second reduction voltage circuit of the second rectifier diode First end connection, the cathode of the second rectifier diode connect with light source anode, and the second lower pressure rectifier filter circuit also wraps Include the second filter capacitor and voltage regulation resistance, one end of second filter capacitor and voltage regulation resistance is connected to the second rectifier diode Cathode and light source anode between, the other end of the second filter capacitor and voltage regulation resistance is connected to the second reducing transformer secondary coil Between second end and light source cathode.
10. such as LED track lamp energy-saving control system as claimed in any one of claims 1 to 6, which is characterized in that the switch control Circuit and processor processed are set in integrated electronic box, are additionally provided with personal control in the integrated electronic box, the integrated electronic box and more Earth leakage protective device is additionally provided between firewire track strip.
CN201910591880.7A 2019-07-01 2019-07-01 A kind of LED track lamp energy-saving control system Pending CN110267403A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910591880.7A CN110267403A (en) 2019-07-01 2019-07-01 A kind of LED track lamp energy-saving control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910591880.7A CN110267403A (en) 2019-07-01 2019-07-01 A kind of LED track lamp energy-saving control system

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CN110267403A true CN110267403A (en) 2019-09-20

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100231136A1 (en) * 2009-03-13 2010-09-16 Led Specialists Inc. Line voltage dimmable constant current led driver
CN206136395U (en) * 2016-11-01 2017-04-26 江西量一光电科技有限公司 Three -section LED lamps and lanterns circuit of adjusting luminance
CN207427518U (en) * 2017-10-25 2018-05-29 浙江阳光美加照明有限公司 A kind of three-stage dimming control circuit of LED light
CN210381402U (en) * 2019-07-01 2020-04-21 中山市企美照明电器有限公司 Energy-saving control system for LED track lamp

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100231136A1 (en) * 2009-03-13 2010-09-16 Led Specialists Inc. Line voltage dimmable constant current led driver
CN206136395U (en) * 2016-11-01 2017-04-26 江西量一光电科技有限公司 Three -section LED lamps and lanterns circuit of adjusting luminance
CN207427518U (en) * 2017-10-25 2018-05-29 浙江阳光美加照明有限公司 A kind of three-stage dimming control circuit of LED light
CN210381402U (en) * 2019-07-01 2020-04-21 中山市企美照明电器有限公司 Energy-saving control system for LED track lamp

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