TWI469684B - Lighting control system and radio frequency bridge thereof - Google Patents

Description

Light control system and its RF bridge

The present invention relates to a light control system and its radio frequency (RF) bridge. More specifically, the light control system of the present invention comprises at least one light emitting device and a radio frequency bridge, the RF bridge receiving an RF signal from a user and converting it into another RF that the at least one light emitting device can receive The signal, according to which the at least one hairpin device can control the light source according to the received RF signal.

The conventional light control system connects a plurality of light-emitting devices in a wired manner to control the on/off state, the color of the light, the brightness of the light, or other operational characteristics of the light sources of the respective light-emitting devices. Conventionally, the wired connection method makes the wiring between the light-emitting devices and the light-emitting device and the controller not only complicated, but also the light-emitting device cannot be moved or added at will.

In recent years, lighting control systems have evolved to control lighting devices wirelessly, but still require the use of specific controllers to control the lighting devices. When the controller is lost or damaged, it is necessary to re-control the illuminating device with a new controller to re-control the illuminating device, thus causing operational inconvenience. In addition, the conventional wireless controller or wired controller can only operate the light source of the light-emitting device alone or switch the light-emitting color or light-emitting brightness of the light source according to several preset modes. In this way, the user cannot change the illuminating color or the illuminating brightness of the light source according to personal preference.

In summary, how to improve the operation of the light control system and elastically control the light source to change the color of the light is still a problem that the industry still needs to solve.

It is an object of the present invention to provide a light control system and a radio frequency bridge therefor. The light The control system includes at least one illuminating device and a radio frequency bridge. Through the light control system of the present invention, a user can send an RF signal to the RF bridge using a handheld device or a mobile device in daily life. Then, the RF signal is converted into another RF signal receivable by the at least one illuminating device by the RF bridge to control an ON/OFF state, a luminescent color or other operational characteristics of the light source of the at least one illuminating device. In this way, the user can conveniently operate the illuminating device using the handheld device or the mobile device beside the body, and change the illuminating color or the illuminating brightness of the light source according to personal preference.

To achieve the above object, the present invention provides a light control system including at least one light emitting device and a radio frequency bridge. The at least one illuminating device comprises a control circuit, a light source and a first RF module. The control circuit is electrically connected to the light source and the first RF module. The first RF module is configured to receive a first RF signal, and the control circuit is configured to control the light source according to the first RF signal. The RF bridge includes a processor, a second RF module, and a third RF module. The third RF module is configured to receive a second RF signal from a user device. The processor is configured to convert the second RF signal into the first RF signal. The second RF module is configured to transmit the first RF signal to the at least one illuminating device. The first RF signal conforms to a first RF specification, and the second RF signal conforms to a second RF specification.

Other objects, advantages, and technical means and embodiments of the present invention will become apparent to those skilled in the <RTIgt;

The following examples are intended to illustrate the technical contents of the present invention and are not intended to limit the scope of the present invention. It should be noted that in the following embodiments and drawings, there is no The components are omitted and are not shown, and the dimensional relationships between the components in the drawings are only for easy understanding and are not intended to limit the actual ratio.

The light control system 1 of the first embodiment of the present invention is as shown in Fig. 1. The light control system of the present invention comprises a light emitting device 11 and a radio frequency bridge 13. The illuminating device 11 includes a light source 111, a control circuit 113, and a first radio frequency (RF) module 115. The control circuit 113 is electrically connected to the light source 111 and the first RF module 115. The first RF module 113 receives a first RF signal 102 from the RF bridge 13. The control circuit 113 controls the light source 111 according to the first RF signal 102.

Specifically, the RF bridge 13 includes a processor 131, a second RF module 133, and a third RF module 135. The third RF module receives a second RF signal 104 from a user device 21. The processor 131 then converts the second RF signal 104 into the first RF signal 102. Then, the processor 131 transmits the first RF signal 102 to the light emitting device 11 through the second RF module 133. Accordingly, the control circuit 113 of the illumination device 11 can control the light source 111 according to the first RF signal 102. It should be noted that the "first" and "second" of the first RF signal 102 and the second RF signal 104 are used to indicate that the two are different RF signals, not to indicate the order of the two. relationship.

In this embodiment, the first RF signal 102 conforms to a first RF specification, for example, conforms to the specifications of the 2.4 GHz Industrial Scientific Medical (ISM) band, and the first RF module 115 and the second RF module. Group 133 is a low power 2.4 GHz RF transceiver, such as the CC2500 low cost, low power 2.4 GHz RF transceiver manufactured by Texas Instruments (TI). In addition, the second RF signal 104 conforms to a second RF specification, for example. For example, it complies with the specification of the wireless local area network (Wi-fi) protocol, and the third RF module is a Wi-fi transceiver. In detail, the present invention uses low-cost and low-power transceivers (ie, the first RF module 115 and the second RF module 133) to be respectively installed in the light-emitting device 11 and the RF bridge 13, and at the same time The RF bridge 13 mounts a high-power and cost-effective transceiver (ie, the third RF module 135) to enable the processor 131 to receive RF signals transmitted by the user through a high-power and cost-effective transceiver. The signal is converted into a low cost and low power transceiver to transmit and receive RF signals to transmit a message intended by the user to control the illumination device 111 to the illumination device 111.

Further, as shown in FIG. 2, the RF bridge 13 may be disposed on an outer surface of one of the housings of the light-emitting device 11, but is not limited thereto. In other embodiments, the RF bridge 13 can be placed adjacent to the illumination device 11 only to ensure that the illumination device 11 is within the signal range of the RF bridge 13. In addition, in the embodiment, the light source 111 of the light-emitting device 11 includes a light-emitting unit 111a, and the light-emitting unit 111a includes a red light emitting diode (LED), a blue light LED, and a green light LED. Accordingly, the first RF signal 102 and the second RF signal 104 are entrained with one illumination data, and the user can adjust the illumination color of the light source 111. Specifically, the illuminating data includes a red component definition, a green component definition, and a blue component definition. Therefore, the control circuit 113 of the illuminating device 11 can respectively adjust the red color according to the red component definition, the green component definition, and the blue component definition. One color gradation of light LED, one color gradation of blue LED, and one color gradation of green LED. In practical applications, the red LED, the blue LED, and the green LED each have 256 levels, and the value 0 to the value 255 is represented by 8 bits.

In addition, the user can also use the first RF signal 102 and the second RF signal 104. A control message is entrained. When the control circuit 113 of the illumination device 11 captures the control message from the second radio signal 104, the on/off state of the light source 111 can be controlled according to the control message, or the illumination brightness of the light source 111 can be adjusted. In addition, the user can further set the turn-on time of the light source 111 and the color of the light source 111 to operate according to a specific period change by transmitting the control message.

Figure 3 depicts a user device 21, which can be a mobile phone, a Personal Digital Assistant (PDA), a notebook computer, or other device that can transmit RF signals conforming to the second RF specification. The user device 21 loads a color selectable function, for example, displaying a color wheel 213 on the screen 211 of the user device 21 through an application. Therefore, the user can select a color by operating the user device 21, and carry the corresponding color illuminating data to the RF bridge 13 with the second RF signal 104. In this way, when the RF bridge 13 receives the second RF signal 104 and converts it into the first RF signal 102 and transmits it to the illumination device 11, the illumination device 11 can change the red according to the illumination data corresponding to the color. The color gradation of the light LED, the blue LED, and the green LED, so that the illuminating color conforms to the color selected by the user.

Additionally, in other embodiments, the light source 111 can include a plurality of light emitting units. As shown in FIG. 4, the light source 111 includes a light emitting unit 111a, a light emitting unit 111b, a light emitting unit 111c, and a light emitting unit 111d. Like the light emitting unit 111a, the light emitting unit 111b, the light emitting unit 111c, and the light emitting unit 111d also include a red light emitting diode, a blue LED, and a green LED. According to the illuminating data carried by the first RF signal 102, the control circuit 113 of the illuminating device 11 simultaneously changes the red color of the light emitting unit 111a, the light emitting unit 111b, the light emitting unit 111c and the light emitting unit 111d. The color gradation of the light LED, the color gradation of the blue LED, and the color gradation of the green LED to match the user's preferred color.

In addition, the user device 21 can load other functions that control the light source 111. For example, the application displays a switch button 215 on the screen 211 of the user device 21 to allow the user to transmit the second RF signal 104 through the user device 21 to entrain the control message associated with the switch button 215. After the RF signal is converted into the first RF signal 102 by the RF bridge 13 and transmitted to the illumination device 11, the illumination device 11 can operate according to the control message to turn on or off the light source 111.

On the other hand, the control circuit 113 of the illuminating device 11 can transmit an RF signal of an entrained status message through the first RF module 115, and transmit the current state of the light source 111 (for example, an on/off state, an illuminating color, or a illuminating brightness) to RF bridge 13. After receiving the RF signal from the second RF module 133 of the RF bridge 13, the processor 131 converts the RF signal into another RF signal, and transmits another RF signal carrying the status message through the third RF module 135. To the user device 21. In this case, the user device 21 can load a status monitoring function. For example, the application displays a status column 217 on the screen 211 of the user device 21. After receiving the RF signal of the entrapped status message from the RF bridge 13, the status of the light source 111 of the illumination device 11 is displayed in the status column 217. In this way, the user can know the state of the light source 111 in real time. Similarly, the RF signal conforms to the first RF specification and the other radio number conforms to the second RF specification.

It should be noted that, in the present embodiment, for convenience of description, only the operation between the illuminating device 11 and the radio frequency bridge 13 is explained by a user device 21. However, in other embodiments, the radio frequency bridge 13 can also be simultaneously Multiple user devices transmit and receive radio frequencies Signals to control the illumination device 11 and monitor the state of the illumination device 11.

The light control system 5 of the second embodiment of the present invention is as shown in Fig. 5. In the present embodiment, the light control system 5 includes a light emitting device 15 and a light emitting device 17 in addition to the light emitting device 11 and the RF bridge 13 . The illuminating device 15 and a illuminating device 17 are essentially the same as the illuminating device 11. Specifically, the illuminating device 15 includes a light source 151, a control circuit 153, and a first RF module 155. The control circuit 153 is electrically connected to the light source 151 and the first RF module 155. In the embodiment, the first RF module 153 also receives the first RF signal 102 from the RF bridge 13 , and the control circuit 153 also controls the light source 151 according to the first RF signal 102 . Similarly, the illuminating device 17 includes a light source 171, a control circuit 173, and a first RF module 175. The control circuit 173 is electrically connected to the light source 171 and the first RF module 175. The first RF module 173 also receives the first RF signal 102 from the RF bridge 13 , and the control circuit 173 also controls the light source 171 according to the first RF signal 102 .

Similarly, as in the first embodiment, in the present example, the third RF module 135 of the RF bridge 13 receives the second RF signal 104 from the user device 21. The processor 131 then converts the second RF signal 104 into the first RF signal 102. Then, the processor 131 transmits the first RF signal 102 to the light emitting device 11 , the light emitting device 15 , and the light emitting device 17 through the second RF module 133 . Accordingly, the light-emitting device 11, the light-emitting device 15, and the light-emitting device 17 can control the light source 111, the light source 151, and the light source 171 according to the first RF signal 102, respectively.

It should be noted that in the present embodiment, the light control system 5 includes three light emitting devices (ie, the light emitting device 11, the light emitting device 15, and the light emitting device 17). However, in other embodiments, the light control system of the present invention may also include any number of light emitting devices (eg, two Light emitting devices or more than four light emitting devices). In this case, the erection of the lighting control system only needs to ensure that each illuminating device is disposed in the signal range of the first RF signal 102 emitted by the RF bridge 13. Those skilled in the art can easily understand how the lamp control system of the present invention operates in the case of setting any number of illuminating devices according to the above-described embodiments, and thus will not be further described herein.

Further, as shown in FIG. 6, as described in the first embodiment, the radio frequency bridge 13 may be disposed on an outer surface of one of the casings of the light-emitting device 11. In other embodiments, the RF bridge 13 can also be disposed on an outer surface of one of the housings of the illumination device 15 and the illumination device 17, or adjacent to the illumination device 11, the illumination device 15, and the illumination device 17. In any position, it is only necessary to ensure that the illumination device 11 is located within the signal range of the RF bridge 13. In addition, the light source 151 of the light-emitting device 15 includes a light-emitting unit 151a, and the light source 171 of the light-emitting device 17 includes a light-emitting unit 171a. However, the light source 151 and the light source 171 may also include a plurality of light emitting units, that is, similar to the light source 111 described in the first embodiment, and thus will not be further described herein.

In summary, the light control system of the present invention is configured to receive a radio frequency signal transmitted by a user device by setting a radio frequency bridge, and convert the radio frequency signal into an RF signal receivable by the illumination device, so that the user can directly The color of the light emitted by the light source of the light emitting device is controlled by the user device. Accordingly, compared with the conventional light control system, the light control system of the present invention allows the user to directly control the light-emitting device by using the portable mobile phone, PDA or notebook computer, thereby improving the convenience of use. In another aspect, the present invention provides a low cost and low power RF module on a plurality of light emitting devices by simultaneously mounting the low cost and low power RF module and a high power RF module. The RF bridge of the present invention converts and transmits the user through the RF module Control messages from the device to the illumination devices. In this way, the lamp control system of the present invention can not only save a specific controller but also effectively control the overall cost of the lamp control system compared to the conventional lamp control system.

It is to be understood that the above-described embodiments are merely illustrative of the embodiments of the invention and the technical features of the invention are not intended to limit the scope of the invention. Any changes or equivalents that can be easily made by those skilled in the art are within the scope of the invention. The scope of the invention should be determined by the scope of the claims.

1‧‧‧Light control system

11‧‧‧Lighting device

13‧‧‧RF Bridge

21‧‧‧User device

111‧‧‧Light source

113‧‧‧Control circuit

115‧‧‧First RF Module

102‧‧‧First RF signal

131‧‧‧ processor

133‧‧‧Second RF module

135‧‧‧ Third RF Module

104‧‧‧second RF signal

111a‧‧‧Lighting unit

111b‧‧‧Lighting unit

111c‧‧‧Lighting unit

111d‧‧‧Lighting unit

211‧‧‧ screen

213‧‧‧Color plate

215‧‧‧Switch button

217‧‧‧Status column

5‧‧‧Light control system

15‧‧‧Lighting device

151‧‧‧Light source

153‧‧‧Control circuit

155‧‧‧First RF Module

17‧‧‧Lighting device

171‧‧‧Light source

173‧‧‧Control circuit

175‧‧‧First RF Module

151a‧‧‧Lighting unit

171a‧‧‧Lighting unit

1 is a schematic diagram of a light control system 1 according to a first embodiment of the present invention; FIG. 2 is a schematic diagram of a light-emitting device 11 and a radio frequency bridge 13 in the light control system 1; The user device 21 of the embodiment; FIG. 4 is another schematic diagram of the light-emitting device 11 and the RF bridge 13 in the lamp control system 1; FIG. 5 is a schematic view of the lamp control system 5 according to the second embodiment of the present invention; And FIG. 6 is a schematic diagram of the light-emitting device 11, the light-emitting device 15, the light-emitting device 17, and the RF bridge 13 in the light control system 5.

1‧‧‧Light control system

11‧‧‧Lighting device

13‧‧‧RF Bridge

21‧‧‧User device

111‧‧‧Light source

113‧‧‧Control circuit

115‧‧‧First RF Module

102‧‧‧First RF signal

131‧‧‧ processor

133‧‧‧Second RF module

135‧‧‧ Third RF Module

104‧‧‧second RF signal

Claims (12)

A light control system includes: at least one light emitting device, comprising a control circuit, a light source, and a first radio frequency (RF) module, wherein the control circuit is electrically connected to the light source and the first RF module, The first RF module is configured to receive a first RF signal, the control circuit is configured to control the light source according to the first RF signal, and a RF bridge includes a processor and a second RF mode And a third RF module for receiving a second RF signal from a user device, wherein the processor converts the second RF signal into the first RF signal, the second The RF module is configured to transmit the first RF signal to the at least one illuminating device, wherein the first RF signal conforms to a first RF specification, and the second RF signal conforms to a second RF specification, the first RF The specification is different from the second RF specification. The light control system of claim 1, wherein the light source comprises a light emitting unit, the light emitting unit comprises a red light emitting diode (LED), a blue light LED and a green light LED, the first The RF signal and the second RF signal are sandwiched by a luminescent data, the illuminating data includes a red component definition, a green component definition, and a blue component definition, and the control circuit defines the green component according to the red component definition and The blue component defines one color gradation of the red LED, one color gradation of the blue LED, and one color gradation of the green LED. The light control system of claim 1, wherein the light source comprises a plurality of light emitting units, each of the light emitting units comprising a red light emitting diode, a blue LED, and a green LED, the first RF signal entraining a luminescence data, the luminescence data comprising a red component definition, a green component definition, and a blue component definition, and the control circuit defines the green component according to the red component definition And the blue component definition, respectively controlling one color gradation of the red LED of each of the light emitting units, one color gradation of the blue LED, and one color gradation of the green LED. The light control system of claim 1, wherein the first RF module and the second RF module are a low-power 2.4 GHz RF transceiver, and the first RF specification conforms to the 2.4 GHz industry. The specification of the Industrial Scientific Medical (ISM) band, and the third RF module is a wireless area network (Wi-fi) transceiver, and the second RF specification is in compliance with the Wi-Fi protocol. The light control system of claim 1, further comprising the at least one light emitting device further comprising a casing, and the RF bridge is disposed on an outer surface of the casing. The light control system of claim 1, wherein the at least one illuminating device comprises a plurality of illuminating devices, wherein the illuminating devices are disposed within a signal range of the first radio frequency signal emitted by the radio frequency bridge. The lighting control system of claim 1, wherein the control circuit transmits a radio frequency signal entraining a status message to the second radio frequency module by the first radio frequency module, and the processor converts the radio frequency signal to another The RF signal, the third RF module transmits the other RF signal carrying the status message to the user device, wherein the RF signal conforms to the first RF specification, and the other RF signal conforms to the second RF specification. An RF bridge for a light control system, the light control system comprising at least one light emitting device and the RF bridge, the at least one light emitting device comprising a control power The first RF module is configured to receive a first RF signal, and the control circuit is configured to receive the first RF signal. The control circuit is configured to receive the first RF signal. The control circuit is configured to receive the first RF signal. The first RF signal is used to control the light source. The RF bridge includes: a processor; a second RF module; and a third RF module for receiving a second RF signal from a user device, wherein the processing The second RF signal is used to convert the first RF signal to the first RF signal, and the second RF module is configured to transmit the first RF signal to the at least one illumination device; wherein the first RF signal is consistent with a first The radio frequency specification and the second radio frequency signal conform to a second radio frequency specification, and the first radio frequency specification is different from the second radio frequency specification. The radio frequency bridge according to claim 8, wherein the first radio frequency module and the second radio frequency module are low-power 2.4 GHz radio frequency transceivers, and the first radio frequency specification is in compliance with the 2.4 GHz industrial science medical frequency band. The specification, and the third RF module is a Wi-fi transceiver, and the second RF specification is a specification conforming to the Wi-Fi protocol. The radio frequency bridge of claim 8, wherein the at least one illuminating device further comprises a housing, and the radio frequency bridge is disposed on an outer surface of the housing. The radio frequency bridge of claim 8, wherein the at least one illuminating device comprises a plurality of illuminating devices, and the illuminating devices are disposed within a signal range of the first radio frequency signal emitted by the radio frequency bridge. The radio frequency bridge according to claim 8, wherein the second radio frequency module is from the first An RF module receives an RF signal with a status message, the processor converts the RF signal to another RF signal, and the third RF module transmits the other RF signal carrying the status message to the user device. The RF signal conforms to the first RF specification, and the other RF signal conforms to the second RF specification.