CN110267403A - Energy-saving control system for LED track lamp - Google Patents

Abstract

The invention relates to the field of illumination, and discloses an energy-saving control system of an LED track lamp, which comprises: the multi-live-wire track strip comprises a track groove body, wherein at least a zero line, a first live wire and a second live wire are embedded in the track groove body; the track lamp assembly comprises a seat body arranged in the track groove body and a light source arranged on the seat body, a driving unit is arranged in the seat body and at least comprises a first driving circuit and a second driving circuit, at least the first live wire is connected with the light source through the first driving circuit, and at least the second live wire is connected with the light source through the second driving circuit; and the switch control circuit is used for controlling the first drive circuit and the second drive circuit to supply power to the light source individually or jointly according to a preset rule. The embodiment of the invention greatly saves electric energy, can effectively control light attenuation, and reduces the heat dissipation capacity of the track lamp, thereby prolonging the service life of the track lamp.

Description

An energy-saving control system for LED track lights

technical field

The invention relates to the lighting field, in particular to an energy-saving control system for LED track lights.

Background technique

Because track lights have the advantages of flexible positions and changeable lighting angles, currently shopping malls, supermarkets, shops and commercial centers widely use track lights as lighting fixtures.

However, the existing track lights are powered by a drive circuit with constant power, which cannot change the power supply and lighting mode in real time according to the needs of use, which greatly increases the power consumption. Taking a 2000m ² commercial site as an example and using one 30w track light per square meter as an example, the normal lighting power consumption for one hour is 60 degrees, which is not a small cost for businesses. In order to achieve the goal of saving electricity Purpose. At present, half of the track lights are usually extinguished by means of separate control. Although this method reduces the power consumption by half, it forms an obvious dark area in the lighting environment, which affects the user experience and is inconvenient for the monitoring and management of the shopping mall. At the same time, since the track light is powered by a drive circuit, the light decay of the light source is high, and when the drive fails, the whole light will go out, which increases the maintenance cost of the mall.

Contents of the invention

In order to overcome the problems that existing track lights cannot balance energy consumption and lighting effects, high light decay of light sources, and high maintenance costs in the later stages of shopping malls, an embodiment of the present invention provides an energy-saving control system for LED track lights, including:

The multi-live wire track bar includes a track groove body, and at least a neutral wire, a first live wire and a second live wire are embedded in the track groove body;

The track light assembly includes a seat body arranged in the track groove and a light source installed on the seat body, a drive unit is arranged in the seat body, the drive unit includes at least a first drive circuit and a second drive circuit, at least The first live wire is connected to the light source through a first driving circuit, and at least the second live wire is connected to the light source through a second driving circuit;

The switch control circuit is used to control the first drive circuit and the second drive circuit to supply power to the light source individually or jointly according to preset rules.

Further, the rated power of the above-mentioned light source is 3 times of the power supply of the first driving circuit, and the power supply of the second driving circuit is 2 times of the power supply of the first driving circuit.

Further, the switch control circuit described above is specifically used to control the first drive circuit to supply power to the light source alone, or control the second drive circuit to supply power to the light source alone, or control the first drive circuit and the second drive circuit to jointly supply power to the light source.

Further, the above-mentioned control system includes an independent area control circuit, which is used to divide all the multi-wire track strips into different areas, and the switch control circuit is used to control the first switch of the track light assembly in each area according to preset rules. The first driving circuit and the second driving circuit supply power to the light source individually or jointly.

Further, the above-mentioned control system also includes a processor and sensors arranged at the entrance and exit of each area, and the processor is used to determine the real-time number of people in each area according to the sensors at the entrance and exit of each area;

The switch control circuit is used to control the first drive circuit and the second drive circuit of the track light assembly in each area to supply power to the light source individually or jointly according to the real-time number of people in each area and the current time.

Further, the above-mentioned sensors include infrared sensors, ultrasonic sensors or graphic sensors.

Further, the above-mentioned first driving circuit includes a first high-voltage rectifying and filtering circuit, a first constant current control circuit, a first step-down circuit and a first low-voltage rectifying and filtering circuit connected in sequence; the second driving circuit includes a sequentially connected The second high-voltage rectification and filtering circuit, the second constant current control circuit, the second step-down circuit and the second low-voltage rectification and filtering circuit.

Further, the above-mentioned first low-voltage rectification filter circuit includes a first rectifier diode, the anode of the first rectifier diode is connected to the first end of the secondary coil of the first step-down device in the first step-down circuit, and the cathode of the first rectifier diode Connected to the positive pole of the light source, the first low-voltage rectification filter circuit also includes a first filter capacitor, one end of the first filter capacitor is connected between the negative pole of the first rectifier diode and the positive pole of the light source, and the other end of the first filter capacitor is connected to Between the second end of the secondary coil of the first voltage reducer and the negative pole of the light source.

Further, the above-mentioned second low-voltage rectification filter circuit includes a second rectifier diode, the anode of the second rectifier diode is connected to the first end of the secondary coil of the second step-down device in the second step-down circuit, and the cathode of the second rectifier diode Connected to the positive pole of the light source, the second low-voltage rectification filter circuit also includes a second filter capacitor and a voltage stabilizing resistor, one end of the second filter capacitor and the voltage stabilizing resistor is connected between the negative pole of the second rectifying diode and the positive pole of the light source, The second filter capacitor and the other end of the stabilizing resistor are connected between the second end of the secondary coil of the second step-down device and the negative pole of the light source.

Further, the switch control circuit and the processor are arranged in an integrated electrical box, and a manual controller is also arranged in the integrated electrical box, and a leakage protector is also installed between the integrated electrical box and the multi-line track strip.

The embodiment of the present invention provides a multi-fire wire track strip including at least a first live wire and a second live wire, and a track light assembly including at least a first drive circuit and a second drive circuit, and controls the first drive through the switch control circuit according to preset rules. The circuit and the second drive circuit supply power to the light source individually or jointly, so that the first drive circuit and the second drive circuit can independently or jointly supply power to the light source as required, and use one 30w track light per square meter for the above-mentioned 2000m ² commercial site for lighting For example, when the output power of the first driving circuit is 10W and the output power of the second driving circuit is 20W, the first driving circuit can be used to independently supply power to the light source during non-business hours. At this time, the energy consumption per hour is 20 degrees. In the idle time period, the second drive circuit is used to independently power the light source. At this time, the energy consumption for one hour is 40 degrees. In the busy time period, the first drive circuit and the second drive circuit are used to supply power for the light source. At this time, the energy consumption for one hour is 60 degrees. The track light control system of the present invention can control and adjust the power and brightness of the track lights in sections according to the off-peak period of passenger flow, and greatly saves electric energy without forming a dark area. At the same time, the present invention at least uses dual drive circuits to supply power to the track light, which effectively prolongs the life of the light source, effectively controls light decay, reduces heat dissipation of the track light, and prolongs the service life of the track light.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 is a schematic structural view of an energy-saving control system for LED track lights according to a first embodiment of the present invention;

Fig. 2 is a circuit structure block diagram of the LED track light energy-saving control system of the first embodiment of the present invention;

Fig. 3 is a circuit diagram of the drive unit of the first embodiment of the present invention;

Fig. 4 is the circuit structural block diagram of the LED track lamp energy-saving control system of the second embodiment of the present invention;

Fig. 5 is a block diagram of the circuit structure of the LED track light energy-saving control system according to the third embodiment of the present invention.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

When ordinal numerals such as "first" and "second" (if any) are mentioned in the embodiments of the present invention, it should be understood that they are only used for distinction unless they really express the order according to the context.

In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" (if any) should be interpreted in a broad sense, for example, it may be a fixed connection, or It can be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

First embodiment:

Please refer to Figures 1 to 3, the embodiment of the present invention discloses an energy-saving control system for LED track lights, including:

The multi-fire wire track strip 1 includes a track groove body, and at least a neutral wire, a first fire wire and a second fire wire are embedded in the track groove body;

The track light assembly 2 includes a seat body 21 arranged in the track groove and a light source 22 installed on the seat body 21. A drive unit is arranged in the seat body 21, and the drive unit includes at least a first drive circuit and A second drive circuit, at least the first live wire is connected to the light source 22 through the first drive circuit, and at least the second live wire is connected to the light source 22 through the second drive circuit;

The switch control circuit 15 is used to control the first driving circuit and the second driving circuit to supply power to the light source 22 individually or jointly according to preset rules.

In this embodiment, the multi-wire track strip 1 may be a four-wire track strip, and ground wires may also be embedded in the track groove. As a preferred embodiment, the rated power of the above-mentioned light source 22 is 3 times of the power supply of the first driving circuit, and the power supply of the second driving circuit is 2 times of the power supply of the first driving circuit. Exemplarily, the power supply of the first driving circuit is 10w, the power supply of the second driving circuit is 20w, and the rated power of the light source 22 is 30w. Through the control of the switch control circuit 15, the light source 22 can be operated under three different powers, so that the shopping mall has more choices.

As a power supply scheme for the two live wires, the above-mentioned switch control circuit is specifically used to control the first drive circuit to supply power to the light source 22 alone, or to control the second drive circuit to supply power to the light source 22 alone, or to control the first drive circuit and the second drive circuit to jointly The light source 22 is powered.

It should be noted that the multi-fire wire track strip of the present invention can also include a third fire wire, and the drive unit can also include a third drive circuit, so that the light source 22 can work at most 7 frequencies, and better realize the illumination brightness of the light source 22. Smooth transition.

As a preferred implementation, please refer to FIG. 3, the above-mentioned first drive circuit includes a first high-voltage rectification filter circuit 3, a first constant current control circuit 4, a first step-down circuit 5 and a first Low-voltage rectification and filtering circuit 6 ; the second drive circuit includes a second high-voltage rectification and filtering circuit 7 , a second constant current control circuit 8 , a second step-down circuit 9 and a second low-voltage rectification and filtering circuit 10 connected in sequence. The first high-voltage rectification and filtering circuit 3 is used to rectify and filter the 220V AC mains power to make it into a DC power of about 300V; the first constant current control circuit 4 is used to change the DC power of about 300V into a high-frequency AC power of 50-100KHZ , realizing the constant current function of the LED; the first step-down circuit 5 is used to change the high-frequency AC power of 50-100KHZ into low AC piezoelectric power suitable for LED; the first low-voltage rectification filter circuit 6 is used to convert the low-voltage AC power into DC power. The functions of the circuits in the second driving circuit are similar to those of the first driving circuit, which will not be described in detail in this embodiment.

The above-mentioned first low-voltage rectification filter circuit 6 includes a first rectifier diode D7, the anode of the first rectifier diode D7 is connected to the first end of the secondary coil of the first step-down device T1 in the first step-down circuit, and the first rectifier diode The negative pole of D7 is connected to the positive pole LED+ of the light source, and the first low-voltage rectification filter circuit 6 also includes a first filter capacitor CY2, and one end of the first filter capacitor CY2 is connected between the negative pole of the first rectifier diode D7 and the positive pole LED+ of the light source , the other end of the first filter capacitor D7 is connected between the second end of the secondary coil of the first voltage reducer T1 and the negative electrode LED- of the light source.

The above-mentioned second low-voltage rectification filter circuit 10 includes a second rectifier diode D3, the anode of the second rectifier diode D3 is connected to the first end of the second step-down transformer secondary coil T2 in the second step-down circuit 9, and the second rectifier The cathode of the diode D3 is connected to the anode of the light source LED+, and the second low-voltage rectification filter circuit 10 also includes a second filter capacitor CE3 and a voltage stabilizing resistor R1, and one end of the second filter capacitor CE3 and the voltage stabilizing resistor R1 is connected to the second Between the cathode of the rectifier diode D3 and the anode of the light source LED+, the second filter capacitor CE3 and the other end of the voltage stabilizing resistor R1 are connected between the second end of the secondary coil of the second voltage reducer T2 and the cathode of the light source LED-.

The above-mentioned switch control circuit 15 is set in the integrated electrical box 11, the integrated electrical box 11 is also provided with a manual controller 12, and a leakage protector is also provided between the integrated electrical box 11 and the multi-fire wire track strip 1 13. The switch control circuit 15, the manual controller 12 and the leakage protector 13 of this embodiment are arranged in the integrated electrical box 11, and the on-site arrangement time and labor cost can be reduced by mass production of the integrated electrical box 11.

As a preferred solution, the multi-fire wire track strips 1 can be connected through the guide rail connector 14 to extend the length of the arrangement, so as to provide power for large-area shopping malls.

The embodiment of the present invention provides a multi-fire wire track strip including at least a first live wire and a second live wire, and a track light assembly including at least a first drive circuit and a second drive circuit, and controls the first drive through the switch control circuit according to preset rules. The circuit and the second drive circuit supply power to the light source individually or jointly, so that the first drive circuit and the second drive circuit can independently or jointly supply power to the light source as required, and use one 30w track light per square meter for the above-mentioned 2000m ² commercial site for lighting For example, when the output power of the first driving circuit is 10W and the output power of the second driving circuit is 20W, the first driving circuit can be used to independently supply power to the light source during non-business hours. At this time, the energy consumption per hour is 20 degrees. In the idle time period, the second drive circuit is used to independently power the light source. At this time, the energy consumption for one hour is 40 degrees. In the busy time period, the first drive circuit and the second drive circuit are used to supply power for the light source. At this time, the energy consumption for one hour is 60 degrees. The track light control system of the present invention can control and adjust the power and brightness of the track lights in sections according to the off-peak period of passenger flow, and greatly saves electric energy without forming a dark area. At the same time, the present invention at least uses dual drive circuits to supply power to the track light, which effectively prolongs the life of the light source, effectively controls light decay, reduces heat dissipation of the track light, and prolongs the service life of the track light.

Second embodiment:

Please refer to shown in Fig. 4, different from the above-mentioned first embodiment, the control system of this embodiment includes an independent area control circuit, and the independent area control circuit is used to divide all multi-fire wire track strips into different areas, and the switch control The circuit is used to control the track light components in each area according to preset rules. The first drive circuit and the second drive circuit supply power to the light sources individually or jointly.

In this embodiment, the switch control circuit and the independent area control circuit are set in the integrated electric box, and a manual controller is also provided in the integrated electric box, and a leakage current is also provided between the integrated electric box and the multi-fire wire track strip. protector.

In this embodiment, the shopping mall can divide spaces such as warehouses, cash registers, shelf areas, and utility rooms into different areas. The appropriate power supply control rules are set through their respective independent regional control circuits. Compared with the first embodiment, it is more refined and humanized. It saves energy consumption, controls light decay, and ensures the use of track lights on the premise of ensuring improved user experience. life.

Third embodiment:

Please refer to shown in Figure 5, different from the second embodiment above, the control system of this embodiment also includes a processor, and sensors located at the entrance and exit of each area (each sensor in the figure represents the same area for ease of drawing) The sum of the sensors at the entrance and exit), the processor is used to determine the real-time number of people in each area according to the sensors at the entrance and exit of each area;

The switch control circuit is used to control the first drive circuit and the second drive circuit of the track light assembly in each area to supply power to the light source individually or jointly according to the real-time number of people in each area and the current time.

Exemplarily, sensors can be installed at the entrances and exits of different shelf areas (such as home appliance area, daily necessities area, food area), and by counting the number of people entering and leaving the corresponding area within a certain period of time, the corresponding The real-time number of people in the area, and control the lighting brightness of the track light components in each area according to the real-time number of people and the current time.

In this embodiment, the solution including the third live wire and the third driving circuit in the first embodiment is preferred, so that the light source can work under 7 kinds of power at most, so that the control system can meet more regular power supply solutions. Exemplarily, the power of the first driving circuit is 5w, the power of the second driving circuit is 9w, and the power of the third driving circuit is 16w, then the power supply of the light source can include 5w, 9w, 14w, 16w, 21w, 25w, 7 kinds of plans including 30w.

As a preferred solution, the processor also includes a delay module. When the number of people in the corresponding area is constant within a certain preset range, the switch control circuit changes the power supply scheme of the light source. Regions cause power supply schemes to change too quickly, affecting customer experience. At the same time, when the number of people in the corresponding area increases or decreases quickly, so that the lighting power of the light source has a large range of change (such as from 25w to 14w), the processor is used to gradually change from the initial power to the target according to all optional power Power, for example, the time interval for changing may be 15s. The power of the light source can be changed from 25w to 14w through 21w and 16w. Since the power change of the light source tends to be linear, the lighting environment will not suddenly become bright or dim, which improves the customer experience.

As an example but not limitation, the sensor in this embodiment includes an infrared sensor, an ultrasonic sensor or a graphic sensor.

In this embodiment, the switch control circuit and the processor are arranged in the integrated electric box, and a manual controller is also arranged in the integrated electric box, and a leakage protector is also arranged between the integrated electric box and the multi-fire wire track strip .

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. For example, the control system may also include a fourth live wire and a fourth drive circuit. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included within 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.