TW201707513A - Smart LED lamp and its applications - Google Patents

Abstract

A smart light emitting diode (LED) lamp and its applications are provided. The smart LED lamp includes a LED component, a power conversion circuit, a monitoring circuit, and a wireless transmission circuit. The power conversion circuit coupled to the LED component is controlled by a dimming signal for performing power conversion to an alternating current (AC) power, so as to generate a driving power provided to the LED component. The monitoring circuit coupled to the LED component and the power conversion circuit is configured to detect a status information of the LED component, and accordingly generates the dimming signal for controlling operation of the power conversion circuit. The wireless transmission circuit coupled to the monitoring circuit is configured to send the status information detected by the monitoring circuit, or receive a control command.

Description

Smart LED tube and its application

The invention relates to a lamp tube design and an application thereof, and particularly relates to a smart LED lamp tube and a lamp system and an electronic product using the same.

In traditional light-emitting diode (LED) luminaire systems/lighting systems, LED tubes need to be mounted in specific lamp holders. Among them, the LED tube is generally composed of only a single LED component (for example, a white LED series), and the lamp holder is internally provided with a hardware component such as a power converter and a control system, so that the lamp holder receives the commercial power. After that, the utility power can be converted to the driving power required for the LED components and lit.

Since the LED tubes designed by different manufacturers have different power supply specifications, in the traditional lighting system configuration, the hardware setting of the lamp holder needs to consider the LED tube to make the corresponding design. In other words, the configuration between the lamp holder and the LED tube needs to be completely matched to be able to operate normally, that is, the LED tube and the lamp holder designed by different manufacturers are basically not applicable to each other.

In addition, for the luminaire system with remote control function, since the wireless module is usually installed in the lamp holder, and the transmission and reception frequency and control code of the remote controller designed by various manufacturers are not unified, different manufacturers/ The brand's luminaire system is not compatible.

Moreover, in the conventional remote control function of the lamp system, the remote controller only has the function of transmitting signals, and it has no function of receiving signals, and the lamp system does not return signals. The user is also unable to view the current status information of the lighting system through the remote control.

The invention provides a smart light-emitting diode lamp and a lamp system and an electronic product using the same, which can solve the problems described in the prior art.

The smart LED lamp of the present invention comprises a light emitting diode assembly, a power conversion circuit, a monitoring circuit and a wireless transceiver circuit. The power conversion circuit is coupled to the LED assembly, and is controlled by the regulation signal to perform power conversion on the AC power source, thereby generating a driving power supply to the LED assembly. The monitoring circuit is coupled to the LED assembly and the power conversion circuit for detecting status information of the LED assembly, and generating a control signal to control the operation of the power conversion circuit. The wireless transceiver circuit is coupled to the monitoring circuit for issuing status information detected by the monitoring circuit or receiving a control command.

The lamp system of the invention comprises a lamp holder, a smart LED lamp and a wireless transceiver remote control. The smart LED lamp is disposed on the lamp holder and receives an AC power source through the lamp holder, wherein the smart LED lamp comprises a light emitting diode component, a power conversion circuit, a monitoring circuit, and Wireless transceiver circuit. The power conversion circuit is coupled to the LED assembly, and is controlled by the regulation signal to perform power conversion on the AC power source, thereby generating a driving power supply to the LED assembly. The monitoring circuit is coupled to the LED assembly and the power conversion circuit for detecting status information of the LED assembly, and generating a control signal to control the operation of the power conversion circuit. The wireless transceiver circuit is coupled to the monitoring circuit for issuing status information detected by the monitoring circuit or receiving a control command. The wireless transceiver remote control is controlled to issue a control command or to receive status information sent by the wireless transceiver circuit.

The electronic product of the present invention includes the smart LED light tube design as described above, which is used to regulate the lighting of the lamp.

Based on the above, the present invention proposes a smart LED tube and its application. By applying the smart LED tube, the smart LED tube described in the present invention can be adapted to be mounted on a lamp holder of any size by simple jumper modification. Furthermore, the erection of the smart dimmable lighting system/lighting system implemented by the intelligent LED tube of the present case is not limited by the lamp socket specification and layout consideration, so that the smart dimming lighting system/lighting system It can be conveniently installed in any place, which improves the convenience of application.

The above described features and advantages of the invention will be apparent from the following description.

In order to make the disclosure of the present disclosure easier to understand, the following specific embodiments are examples of the disclosure that can be implemented. In addition, wherever possible, the same elements, components, and steps in the drawings and embodiments are used to represent the same or similar components.

1 is a schematic view of a lamp system in accordance with an embodiment of the present invention. Referring to FIG. 1 , the lamp system 10 of the present embodiment includes a lamp holder 20 , a wireless transceiver remote controller 60 , and a smart LED lamp tube 100 .

In the present embodiment, the smart LED tube 100 is adapted to be disposed on the socket 20, thereby receiving an AC power source ACin (for example, a commercial power) through the socket 20. In this embodiment, the type of the lamp holder 20 is not limited. The smart LED lamp 100 of the embodiment can be disposed on the lamp holder of any structure/brand through a simple jumper modification. Limited.

The wireless transceiver remote controller 60 can issue a control command CMD via the user control or receive status information returned by the smart LED tube 100. In this embodiment, the wireless transceiver remote controller 60 has a wireless transmission/communication function, and the status information returned by the smart LED tube 100 is displayed on the manipulation interface, thereby providing the user with direct view. The specific architecture of the wireless transceiver remote controller 60 will be further described in the following embodiments.

The smart LED tube 100 is constructed in a modular configuration that can be illuminated directly based on the received AC power source ACin and can be controlled by the user's operation (controller/switch or wireless connected via a physical line) The remote controller 60 is transmitted and received to adjust settings such as lighting mode and lighting brightness.

More specifically, the smart LED tube 100 includes a light emitting diode assembly 110, a power conversion circuit 120, a monitoring circuit 130, a wireless transceiver circuit 140, and a plurality of interface circuits (here, the interface circuits 150_1 and 150_2 are taken as an example).

The light emitting diode assembly 110 can be composed, for example, of a single or multiple color (eg, red, green, and blue primary colors) LED strings. The power conversion circuit 120 is coupled to the LED assembly 110, and is controlled by the regulation signal sent by the monitoring circuit 130 to perform AC-to-DC power conversion on the AC power ACin received from the lamp holder 20, thereby generating a driving power DR. (such as the driving voltage Vled and the driving current Iled) is supplied to the light emitting diode assembly 110.

The monitoring circuit 130 is coupled to the LED assembly 110 and the power conversion circuit 120. The monitoring circuit 130 is configured to detect status information of the LED assembly 110 and generate a control signal to control the operation of the power conversion circuit 120. Specifically, the monitoring circuit 130 is connected to each of the above units via different interface circuits 150_1 and 150_2, thereby reading the state information of the smart LED tube 100 such as the required driving voltage Vled, the driving current Iled, and the operating temperature, and The preset working mode parameters are integrated and analyzed to generate and send the control signals to the units, so that the smart LED tube 100 can work stably in the set mode.

The wireless transceiver circuit 140 is coupled to the monitoring circuit 130. The wireless transceiver circuit of this embodiment can be, for example, a Bluetooth module for providing a wireless communication function for transmitting the status information detected by the monitoring circuit 130 to the wireless transceiver remote controller 60. Or receiving a control command CMD issued from the wireless transceiver remote controller 60.

An example of the implementation of the smart LED lamp of the present invention will be further described below with reference to FIGS. 2 to 4. 2 and FIG. 4 respectively illustrate an application example of a monochrome LED and a color LED, and FIG. 3 illustrates a specific architectural example of a power conversion circuit applied to the aforementioned smart LED tube.

Referring to FIG. 2 , the smart LED lamp 200 of the present embodiment includes a light emitting diode assembly 210 , a power conversion circuit 220 , a monitoring circuit 230 , a wireless transceiver circuit (not shown), and an interface circuit 250 . The light-emitting diode assembly 210 of the present embodiment is a monochrome light-emitting diode 212 as an implementation example, and the power conversion circuit 220 is configured to include an AC-to-DC conversion according to the monochrome light-emitting diode 212. The 222 and the programmable DC to DC converter 224.

In the power conversion circuit 220 of the present embodiment, the AC-to-DC converter 222 is configured to perform AC-to-DC conversion on the AC power source ACin, and accordingly generate a DC power source DCin. The programmable DC-to-DC converter 224 is coupled to the AC-DC converter 222 and the LED 212 to receive the DC power DCin from the AC-DC converter 222, and DC-to-DC conversion of the DC power source DC To generate a driving power source DR having a constant current.

The monitoring circuit 230 provides the regulation signal Sdim to the programmable DC-to-DC converter 224 through the interface circuit 250, and receives the status information PST of the programmable DC-to-DC converter 220 through the interface circuit 250.

In this embodiment, one of the AC to DC converter 222 and the programmable DC to DC converter 224 can be configured to have a power factor correction function. Thereby, the power conversion circuit 220 with the power factor correction function can provide the DC drive current Iled that is stable by the LED 212, so that the brightness of the LED 212 does not cause a brightness drift as the operating temperature changes.

Incidentally, the present invention does not limit the power factor correction function to be implemented in the AC to DC converter 222 or the programmable DC to DC converter 224. In an exemplary embodiment, the AC to DC converter 222 can be designed as a power factor correction converter with a power factor correction function; in another exemplary embodiment, the programmable DC to DC converter 224 can be designed to The DC-to-DC converter has a power factor correction function, and the AC-to-DC converter 222 has only an AC-to-DC conversion function. The invention is not limited thereto.

A specific embodiment of the above power conversion circuit will be further described below with reference to the embodiment of FIG. 3. FIG. 3 is a schematic diagram of a power conversion circuit according to an embodiment of the present invention.

Referring to FIG. 3, the power conversion circuit 320 of the present embodiment can be applied to any embodiment of the present application, including a full-wave rectifier 322, a boosting circuit 324, a current sampling circuit 326, an operation and compensation circuit 328, and a pulse width modulation. The control wafer 330 and the voltage sampling circuit 332 are variable.

In the present embodiment, after the AC power source ACin is rectified by the full-wave rectifier 322, a pulsating DC voltage Vin is generated and supplied to the boosting circuit 324 and the voltage sampling circuit 332. The boosting circuit 324 uses the pulsating DC voltage Vin as a DC input, performs boost conversion according to the pulse width modulation control voltage Vd provided by the pulse width modulation control chip 330, and generates a driving voltage Vled and a driving current Iled accordingly.

On the other hand, the voltage sampling circuit 332 samples the pulsating DC voltage Vin to generate the sampling voltage Vsv, and supplies the sampling voltage Vsv to the pulse width modulation control wafer 330 as a basis for control.

The current sampling circuit 326 samples the drive current Iled flowing through the LED assembly 310 and generates a sample voltage Vsi indicative of the magnitude of the drive current Iled, which is provided to the operation and compensation circuit 328.

In this embodiment, the monitoring circuit (not shown) sends the reference voltage Vref and the control signal Sdim via a corresponding interface circuit (not shown), and the reference voltage Vref is respectively supplied to the operation and compensation circuit 328 and the pulse via the interface circuit. The modulation transistor 330 is widely modulated. The operation and compensation circuit 328 performs a compensation operation according to the sampling voltage Vsi indicating the magnitude of the driving current Iled and the reference voltage Vref, so that the feedback voltage Vfc is generated and supplied to the pulse width modulation control chip 330 as a basis for control. The pulse width modulation control chip 330 performs power factor correction according to the received sampling voltage Vsv and the feedback voltage Vfc, and then generates a pulse width modulation control voltage Vd according to the result of the regulation signal Sdim and the power factor correction.

Specifically, the boosting circuit 324 switches the conduction state of the power transistor by the pulse width modulation type in response to the pulse width modulation control voltage Vd. It can be known from the power electronics theory that when the input current Iin received by the booster circuit 324 is continuous, the boosting operation has the function of power factor correction. Moreover, since the pulse width modulation voltage Vd is determined by the sampling voltage Vsv, the feedback voltage Vfc, and the regulation signal Sdim, the driving current generated by the boosting circuit is a constant current that can be designed to be programmable.

4 is a schematic diagram of a smart LED tube according to another embodiment of the present invention. Referring to FIG. 4, the smart LED lamp 400 of the present embodiment includes a light emitting diode assembly 410, a power conversion circuit 420, a monitoring circuit 430, a wireless transceiver circuit (not shown), and interface circuits 450_1~450_3. The light-emitting diode assembly 410 of the present embodiment is a color light-emitting diode as an implementation example, and includes a red light-emitting diode group 412_1, a green light-emitting diode group 412_2, and a blue light-emitting diode. Group 412_3. The power conversion circuit 420 is configured to include an AC to DC converter 422 and three programmable DC to DC converters 424_1~424_3 according to the color LED.

Specifically, the input ends of the programmable DC-DC converters 424_1~424_3 of the embodiment are commonly coupled to the AC-to-DC converter 422, and the programmable DC-DC converters 424_1~424_3 are sequentially coupled. The red light emitting diode group 412_1, the green light emitting diode group 412_2, and the blue light emitting diode group 412_3. The programmable DC-to-DC converters 424_1~424_3 respectively perform DC-to-DC conversion according to the received DC power source DCin, and accordingly generate driving power sources DR1~DR3 having constant currents respectively.

The monitoring circuit 430 provides the corresponding control signals Sdim1~Sdim to the programmable DC-DC converters 424_1~424_3 through the interface circuits 450_1~450_3, and respectively receives the programmable DC-to-DC converters 424_1 through the interface circuits 250_1~450_3. Status information PST1~PST3 of ~424_3.

In this embodiment, the red LED group 412_1, the green LED group 412_2, and the blue LED group 412_3 are controlled by the programmable DC-DC converters 424_1~424_3, respectively. The generated driving power sources DR1 to DR3 respectively display red light, green light, and blue light to form a programmable color light source.

In addition, the specific architecture of each programmable DC to DC converter 424_1~424_3 can be referred to the example shown in FIG. 3 (but is not limited thereto).

FIG. 5 is a schematic diagram of a monitoring circuit and a wireless transceiver remote control according to an embodiment of the invention. Referring to FIG. 5, the architecture of the monitoring circuit 530 of the present embodiment can be applied to any of the foregoing embodiments, including a storage unit 532 and a microprocessor 534.

In the monitoring circuit 530 of the embodiment, the microprocessor 534 functions as a control core of the monitoring circuit 530 to transmit signals through the interface circuit (not shown) and the smart LED tube, and through another corresponding interface circuit. (not shown) is coupled to the wireless transceiver circuit 540 for wireless signal transmission through the wireless transceiver circuit 540 and the wireless transceiver remote controller 60.

Specifically, the microprocessor 534 can receive the detection signal Sd indicating the status information PST from the power conversion circuit, and store the status information PST in the storage unit 532 accordingly. In addition, the storage unit 532 can also store a control software that can be modified and modified by the designer, wherein the microprocessor 534 can access the storage unit 532 to execute the control software, thereby performing control operations based on the state information PST and the control command CMD, and generating The corresponding control signal Sdim controls the operating mode or brightness of the LED assembly.

On the other hand, the wireless transceiver remote controller 60 of the present embodiment includes a wireless transceiver module 62, a manipulation interface 64, a storage unit 66, and a microprocessor 68. In this embodiment, the wireless transceiver module 62 can be, for example, a Bluetooth module or other wireless communication module corresponding to the wireless transceiver circuit 640, which can be used to wirelessly transmit or receive signals.

The manipulation interface 64 is an interface that provides a user with input commands and display information. The user can operate the interface 64 to enable the wireless transceiver remote controller 60 to issue a corresponding control command CMD to adjust the operating mode or brightness of the LED assembly, or display the LED based on the status information PST returned by the monitoring circuit 530. The driving voltage, driving current and operating temperature of the body components are available for the user to view.

The operation and display function of the signal transmission and manipulation interface 64 of the wireless transceiver module 62 can be implemented by the human interface software stored in the storage unit 66. The microprocessor 68 can control the manipulation interface 64 and the wireless transceiver module 62 by accessing the storage unit 66 to execute the human interface software.

For example, when the user inputs an instruction by using the manipulation interface 64, the microprocessor 68 can issue a corresponding control command CMD by the wireless transceiver module 62 to update the storage in the monitoring circuit 530 according to the instruction received from the manipulation interface 64. The control software of the storage unit 532, or a corresponding control command to control the microprocessor 534 of the monitoring circuit 530 to adjust the output of the control signal Sdim, or to issue a corresponding control command requires the microprocessor 534 to return status information PST Wait.

The above-mentioned monitoring circuit 530 and the wireless transceiver remote controller 60 are combined with the application of the color smart LED tube 400 of the embodiment of FIG. 4, and the embodiment can also realize that the user can adjust the smart LED tube 400 by remote remote control. The brightness and color effect.

It is to be noted that the wireless transceiver remote controller 60 described herein may be implemented by using a separate hardware or by using a smart phone, which is not limited by the present invention.

In addition, the smart LED tube described in the present application is not limited to the application of the luminaire system 100 shown in FIG. 1, and can be applied to any electronic product having lighting requirements. The invention is not limited thereto.

In summary, the present invention provides a smart LED lamp and a lamp system and an electronic product using the same. By applying the smart LED tube, the smart LED tube described in the present invention can be adapted to be mounted on a lamp holder of any size by simple jumper modification. Furthermore, the erection of the smart dimmable lighting system/lighting system implemented by the intelligent LED tube of the present case is not limited by the lamp socket specification and layout consideration, so that the smart dimming lighting system/lighting system It can be conveniently installed in any place, which improves the convenience of application.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.

10‧‧‧Lighting system
20‧‧‧ lamp holder
60‧‧‧Wireless Transceiver Remote Control
62‧‧‧Wireless transceiver module
64‧‧‧Control interface
100, 200, 400‧‧‧Smart LED Tubes
110, 210, 310, 410‧‧‧Lighting diode components
120, 220, 320, 420‧‧‧ power conversion circuit
130, 430, 530‧‧‧ monitoring circuits
140, 540‧‧‧ wireless transceiver circuit
150_1, 150_2, 250, 450_1~450_3‧‧‧ interface circuit
212‧‧‧Lighting diode
222, 422‧‧‧AC to DC converter
224, 424_1~424_3‧‧‧programmable DC-to-DC converter
322‧‧‧Full-wave rectifier
324‧‧‧Boost circuit
326‧‧‧current sampling circuit
328‧‧‧Operation and compensation circuit
330‧‧‧ Pulse Width Modulation Control Wafer
332‧‧‧Voltage sampling circuit
412_1‧‧‧Red LED Group
412_2‧‧‧Green LED Group
412_3‧‧‧Blue LED Group
66, 532‧‧‧ storage unit
68, 534‧‧‧Microprocessor
ACin‧‧‧AC power supply
CMD‧‧‧ control instructions
DCin‧‧‧DC power supply
DR, DR1~DR3‧‧‧ drive power supply
Iin‧‧‧ input current
Iled‧‧‧ drive current
PST, PST1~PST3‧‧‧ Status Information
Sd‧‧‧ detection signal
Sdim‧‧‧ regulation signal
Vd‧‧‧ pulse width control voltage
Vfc‧‧‧ feedback voltage
Vin‧‧‧pulsating DC voltage
Vled‧‧‧ drive voltage
Vref‧‧‧reference voltage
Vsi, Vsv‧‧‧ sampling voltage

1 is a schematic view of a lamp system in accordance with an embodiment of the present invention. 2 is a schematic diagram of a smart LED tube according to an embodiment of the invention. FIG. 3 is a schematic diagram of a power conversion circuit according to an embodiment of the present invention. 4 is a schematic diagram of a smart LED lamp according to another embodiment of the present invention. FIG. 5 is a schematic diagram of a monitoring circuit and a wireless transceiver remote control according to an embodiment of the invention.

10‧‧‧Lighting system

20‧‧‧ lamp holder

60‧‧‧Wireless Transceiver Remote Control

100‧‧‧Smart LED tube

110‧‧‧Lighting diode assembly

120‧‧‧Power conversion circuit

130‧‧‧Monitoring circuit

140‧‧‧Wireless transceiver circuit

150_1, 150_2‧‧‧ interface circuit

ACin‧‧‧AC power supply

CMD‧‧‧ control instructions

DR‧‧‧ drive power supply

Iled‧‧‧ drive current

Vled‧‧‧ drive voltage

Claims (10)

An intelligent light-emitting diode (LED) lamp comprises: a light-emitting diode assembly; a power conversion circuit coupled to the light-emitting diode assembly, controlled by a regulating signal for power conversion of an alternating current power source, a driving power supply is provided to the light emitting diode assembly; a monitoring circuit is coupled to the light emitting diode assembly and the power conversion circuit for detecting state information of the light emitting diode component, and generating The control signal controls the operation of the power conversion circuit; and a wireless transceiver circuit coupled to the monitoring circuit for transmitting the status information detected by the monitoring circuit or receiving a control command. The smart LED lamp of claim 1, wherein the power conversion circuit comprises: an AC-to-DC converter for performing AC-to-DC conversion on the AC power source, and generating Streaming power. The smart LED lamp of claim 2, wherein the power conversion circuit further comprises: a programmable DC-to-DC converter coupled to the AC-DC converter and the LED a body assembly for performing DC-to-DC conversion on the DC power source, and accordingly generating the driving power source having a constant current, wherein the AC to DC converter and the programmable DC to DC converter are configured to Has a power factor correction function. The smart LED lamp of claim 2, wherein the LED assembly comprises a first LED group, a second LED group, and a third a group of the light emitting diodes, the first light emitting diode group is controlled by a first driving power source to display a first color, and the second light emitting diode group is controlled by a second driving power source to display a second color, and the third LED group is controlled by a third driving power source to display a third color, the power conversion circuit further comprises: a first programmable DC to DC converter, coupled Connecting the AC-to-DC converter and the first LED group for DC-to-DC conversion of the DC power source, and generating the first driving power source having a constant current; a DC-to-DC converter coupled to the AC-DC converter and the second LED group for DC-to-DC conversion of the DC power source, and accordingly generating the second driving power source having a constant current And a third programmable a DC-to-DC converter coupled to the AC-to-DC converter and the third LED group for DC-to-DC conversion of the DC power source, and accordingly generating the third driving power source having a constant current Wherein the AC to DC converter is configured to have a power factor correction function. The smart LED lamp of claim 1, wherein the monitoring circuit comprises: a first storage unit for storing a control software and the status information; a first microprocessor coupled Receiving the first storage unit, and receiving a detection signal indicating the status information from the power conversion circuit, wherein the first microprocessor accesses the first storage unit to execute the control software, so as to perform based on the status information A control operation is performed and the control signal is generated. The smart LED light-emitting diode according to claim 5, further comprising a wireless transceiver remote control, which is controlled to issue the control command or receive the status information sent by the wireless transceiver circuit, wherein the The wireless transceiver remote control comprises: a wireless transceiver module for transmitting or receiving signals; a control interface for providing input commands and displaying information; a second storage unit for storing a human interface software; and a second The microprocessor is coupled to the wireless transceiver module, the control interface, and the second storage unit, wherein the second microprocessor accesses the second storage unit to execute the human interface software, thereby controlling the manipulation interface and And the wireless transceiver module sends a corresponding control command to update the control software stored in the first storage unit to control the first micro processing according to an instruction received from the control interface. The controller adjusts the output control signal or requests the first microprocessor to return the status information. The smart LED lamp of claim 1, wherein the status information detected by the monitoring circuit comprises a driving voltage, a driving current, and an operating temperature of the LED assembly. one. The smart LED lamp of the first aspect of the invention, further comprising: a plurality of interface circuits, wherein the monitoring circuit is coupled to the LED assembly and the power conversion circuit through the interface circuits respectively And the wireless transceiver circuit for transmitting or receiving signals. A luminaire system comprising: a lamp holder; a smart LED lamp disposed on the lamp holder and receiving an AC power source through the lamp holder, wherein the smart LED lamp comprises: a light-emitting diode assembly; a power conversion circuit coupled to the light-emitting diode assembly, controlled by a control signal for power conversion of an AC power source, thereby generating a driving power supply to the light-emitting diode assembly; a circuit, coupled to the LED assembly and the power conversion circuit for detecting status information of the LED assembly, and generating the control signal to control operation of the power conversion circuit; and transmitting and receiving The circuit is coupled to the monitoring circuit for transmitting status information detected by the monitoring circuit or receiving a control command; and a wireless transceiver remote control, which is controlled to issue the control command or receive the wireless transceiver circuit The status information sent. An electronic product designed according to the intelligent light-emitting diode lamp of the first application of the patent scope, which is used for regulating lighting of a lamp.