TW201415846A - Lighting device controlling chip, apparatus and addressing method thereof - Google Patents

Abstract

The present invention relates to a lighting device controlling chip, an apparatus and an addressing method thereof. The lighting device has a trigger terminal for receiving a first setting voltage, an output terminal for outputting a second setting voltage and a signal receiving interface for receiving a data packet having a plurality of serial transmitted data slots. The lighting device controlling chip may automatically set an address thereof according to the voltage level of the first setting voltage and a counting signal corresponding to the number of the received data slots. Also the lighting device controlling chip would store the address so that the trigger terminal could be used for another function when the address is set.

Description

Lamp control chip, device, system and addressing method thereof

The present invention relates to a luminaire control apparatus, and more particularly to a luminaire control wafer, apparatus, system and method suitable for DMX (Digital MultipleX) 512 protocol.

LED applications are becoming more and more extensive, mainly used in lighting and signal display. The most commonly used LED control standard is DMX512 standard. DMX512 is a standard for digital communication interfaces. It is mainly used in communication protocols between lighting devices. The content includes data format of data transmission, electrical characteristics of devices and connector types. The DMX512 protocol was first developed by the Engineering Commission of the United States Institute for Theatre Technology (USITT). Before the DMX512 protocol was developed, there were many lighting control agreements applied to lighting equipment. However, as the system became more and more complex, the mutual compatibility requirements between different products became higher and higher, and the DMX512 responded in this case. Born.

DMX512 data is transmitted in asynchronous serial format. Each data packet includes a start code (START CODE) and a maximum of 512 channels. The first data slot (slot 0, also It can be called time slot) used to transmit the start code, and the second data slot (slot 1) to the 512th data slot (slot 512) are used to transmit channel data. At present, international and domestic computer lights generally use the DMX512 data format to write programs. The speed of the DMX512 data flow is 250K, that is, each bit is 4 microseconds (us) of the standard length, and the bit length of the protocol is between 3.92us and 4.08us.

The use of the DMX512 standard or its extended standard protocol to control the luminaires requires setting the addressing of the control wafer. The general practice is to use pad settings or write addresses one by one to each control chip. Regardless of the method, in the prior art, the control chip needs to individually write the address, and the position and order of the connection cannot be automatically recognized.

The present invention provides a luminaire control wafer, apparatus and system in which individual wafers can automatically identify their own ordering and automatically set the address to achieve the effect of automatically setting the position.

The invention provides a lamp control method. Initially, the number of received data slots is used to identify the order of the wafers themselves to automatically set the wafer addresses, and to record, to avoid the wafers being damaged in the middle, the back-end wafers cannot read the data.

The invention provides a lamp control chip, device and system, wherein individual wafers can automatically identify their own sorting order and automatically set the address, and record, and then use if damaged, it can be easily replaced.

The present invention provides a luminaire control chip adapted to drive one or more luminaires according to a first set voltage and a data packet, wherein the data packet has a plurality of serially transmitted data slots, wherein the luminaire control wafer comprises a a triggering end, an output end and a signal receiving interface, the triggering end is configured to receive the first set voltage, the output end is configured to output a second set voltage, and the signal receiving interface is configured to receive the data packet, wherein the The luminaire control chip has an address mode. When the luminaire controls the wafer to enter the addressing mode, the luminaire control chip determines the luminaire control chip according to the voltage level of the first set voltage and the number of data slots that the luminaire control wafer has received. One location and the luminaire records the address when the luminaire controls the wafer to leave the In the addressing mode, the luminaire control chip outputs a wafer detection data via the trigger terminal or the output terminal.

The invention further provides a lamp control device, which is adapted to drive a plurality of lamps according to a first set voltage and a data packet, wherein the data packet has a plurality of serially transmitted data slots, and the lamp control device comprises a first lamp control The wafer and a second luminaire control the wafer. The first illuminating control chip has a first triggering end, a first output end and a first signal receiving interface, wherein the first triggering end is configured to receive the first set voltage, and the first output end is configured to output a first And setting a voltage, the first signal receiving interface is configured to receive the data packet. The second luminaire control chip has a second triggering end, a second output end and a second signal receiving interface, wherein the second triggering end is coupled to the first output end, and the second signal receiving interface is configured to receive the second Data packet.

Wherein, when the first luminaire controls the wafer to enter the address mode, the first luminaire control chip determines the first luminaire according to the voltage level of the first set voltage and the number of data slots that the first luminaire control wafer has received Controlling a first address of the wafer, and the first luminaire controls the chip to memorize the first address; the second luminaire controls the wafer to receive the voltage according to the second set voltage and the second luminaire control chip has received The number of data slots determines a second address of the second luminaire control chip, and the second luminaire controls the chip to memorize the second address; The first luminaire control chip outputs a wafer detection data via the first trigger terminal when the first luminaire controls the wafer to leave the addressing mode.

From another point of view, the present invention provides a method for addressing a luminaire control chip, which is suitable for a luminaire control chip. The luminaire control chip includes a trigger end, an output end and a signal receiving interface, wherein the trigger end is configured to receive First The output terminal is configured to output a second set voltage, and the signal receiving interface is configured to receive a data packet, wherein the data packet has a plurality of serially transmitted data slots, wherein the addressing method comprises the following steps: Counting the number of data slots that the luminaire control wafer has received to generate a count signal; determining a position of the luminaire control wafer according to the voltage level of the first set voltage and the count signal corresponding to the number of received data slots Remembering the address; and performing a specified function with the trigger and the output.

In the embodiment of the present invention, the address can be automatically set according to the received data slot when triggered, and then the automatically set address is stored. The lamp control chip of the invention can automatically detect its own arrangement order and set the corresponding address without an external setting mechanism or a manually set program. Therefore, the lamp control chip of the present invention can adjust the arrangement order of the individual chips at will, and the individual chips will automatically set the corresponding address when receiving the data package, and after the setting is completed, the trigger end and the output end of the chip. Can be used for another specified function. The wafer's pins are not wasted. When any of the luminaires are damaged, it is not necessary to completely reset them. It is only necessary to replace the damaged wafers and operate them.

The detailed description of the present invention and the accompanying drawings are to be understood by the claims The scope is subject to any restrictions.

In the following, the invention will be described in detail by the embodiments of the invention, and the same reference numerals are used in the drawings.

(First Embodiment)

1 is a schematic view of a lighting system in accordance with a first embodiment of the present invention. 2 is a signal waveform diagram of a lighting system in accordance with a first embodiment of the present invention. Please also refer to 1 and 2, first, the first lamp control chip 111 first receives a first set voltage, and the first set voltage is a logic high level, so the first lamp control chip 111 sets its own address as the first order. Indicates that it is located in the first of all luminaire control wafers 111-119. Then, after spacing one of the data slots, the second set voltage is converted to a logic high by the first luminaire control wafer 111 to trigger the second luminaire control wafer 112 to set its address.

Since the position where the second set voltage is converted to the logic high voltage is located in the start data slot slot 0, the second lamp control chip 112 detects the start data slot slot 0, whereby the second lamp control chip 112 sets the bit. The wafer is controlled by a luminaire corresponding to the second order. Similarly, after a data slot is separated, the second lamp control chip 112 converts the voltage (the third set voltage) outputted from the output terminal 143 into a logic high level to trigger after detecting the first data slot 1 . The third luminaire of the next stage controls the wafer 113 to set the address. In addition, the inter-channel time 219 (Mark time between slots) is the interval between the time slot and the time slot, which is between 0 and 1 second, and the time of the MAB after the interruption is between 8 microseconds and 1 second.

Figure 3 is a schematic illustration of a lighting system in accordance with a first embodiment of the present invention. Referring to FIG. 3, the lighting system 300 includes N lamps, which are represented by first to Nth lamps 331 to 339 in accordance with the arrangement order. The lighting system 300 includes a luminaire control device 310, which includes first to Nth luminaire control wafers 311-319, wherein the first to Nth luminaire control wafers 311-319 are coupled to the first to Nth illuminators 331-339, respectively. To drive the first to Nth lamps 331 to 339, respectively, where N is a positive integer.

The trigger terminals 341 and the output terminals 343 of the first to Nth luminaire control chips 311 319 are connected in series. Each luminaire control chip has a trigger end 341, an output end 343 and a signal receiving interface 342. The luminaire of the previous stage controls the wafer. lose The output end 342 is coupled to the trigger end 341 of the luminaire control wafer of the next stage. The triggering end 341 of the first luminaire control chip 311 is coupled to the first set voltage, wherein the first set voltage is a fixed DC voltage level, such as 5V or 3V, but the invention is not limited thereto. The above lamp is, for example, a light emitting diode (LED) lamp, but the invention is not limited thereto. Compared with the lighting system diagram of FIG. 1 , in the lighting system of the embodiment, each of the lamp control chips 311 319 319 has a built-in address memory unit, and generally can use volatile memory (such as DRAM, SRAM). Non-volatile memory (eg EPROM, FLASH) is implemented.

The signal receiving interfaces 342 of the first to Nth lamp control chips 311-319 are all coupled to the output interface of the DMX512 controller 320 to receive data packets corresponding to the DMX512 standard, wherein each data packet has a plurality of serial transmissions. Data slot. As shown in FIG. 3, the signal receiving interfaces 342 of the first through Nth lamp control chips 311-319 are connected in parallel to the output interface of the DMX512 controller 320 to receive DMX control signals (ie, data packets). That is to say, in the present embodiment, the triggering end 341 and the output end 343 of the first to Nth luminaire control wafers 311 to 319 can be regarded as a single-line addressing interface, which are connected in series. The signal receiving interfaces 342 of the first to Nth lamp control chips 311 to 319 can be regarded as a signal receiving interface, and are connected in parallel to the output interface of the DMX512 controller 320.

The output interface of the DMX512 controller 320 is, for example, a differential transmission interface of the RS485 standard, also referred to as an EIA-485 transmission interface, but the invention is not limited thereto. RS485 is the differential interface, so the resistor R is connected to the end to form a loop. The signal receiving interface 342 is adapted to receive signals conforming to the EIA-485 standard. The speed of the DMX512 controller 320 output data packet can be determined according to the system requirements, such as the DMX512 standard or the double speed DMX512 standard or quadruple speed. DMX512 standard, but the invention is not limited thereto. The so-called double-speed DMX512 standard or quad-speed DMX512 standard doubles the frequency of the standard DMX512 to transmit more data packets in the same cycle. In addition, another DMX specification called RDM (remote device management), its time specification is exactly the same as DMX512, but it can pass the state of the device back to the DMX controller through the differential interface, so this interface may be bidirectional ( Receive and transmit) signal transmission interface. The signal receiving interface 342 of the present invention can also be implemented using an interface that conforms to the RDM specifications described above.

The first to Nth lamp control chips 311 to 319 determine the address of the lamp control wafer to indicate the connection order of the lamp according to the voltage level received by the trigger terminal 341 and the count signal corresponding to the number of received data slots. (such as the first or second). Taking the first luminaire control wafer 311 as an example, when receiving the data packet, the first luminaire control wafer 311 counts the number of received data slots to generate a count signal. There are many ways to count the number of data slots, such as detecting a signal that appears only once in each data slot. The signals are, for example, (1) start bit (start bit); (2) 8-bit data slot. Data (8bit data); (3) stop bits; (4) mark between slots, because the above four signals will appear only once in one data slot. In other words, the manner in which the data slot is counted can be detected via a format or signal corresponding to the data slot, and the number of data slots can be inferred in an indirect manner.

The first to Nth lamp control chips 311 to 319 are determined to enter the address mode or leave the address mode by the data of the first data slot (slot 0) in the data packet received by the signal receiving interface 342. In other words, the first data slot (slot 0) has two data types, which correspond to the addressing mode and the normal display mode, respectively. For example, if the first data slot (slot 0) in the received data packet is all logic 1, it means that the lamp control chip 311~319 is to be started. The address setting, the first to Nth lamp control chips 311~319 will enter the addressing mode. When the first data slot (slot 0) in the received data packet is all logic 0, it indicates that the address mode is to be left and the normal display mode is entered.

When addressing, the DMX512 controller 120 may first transmit a data packet for addressing, allowing the luminaire control wafers 311-319 to enter the addressing mode for addressing. After the address is completed, the DMX512 controller 120 transmits the data packet for normal screen display, and the addressed lamp control chips 311 to 319 drive the first to Nth lamps 331 to 339 and the wafer detection data inside the chip. In other words, when the lamp control chips 311 to 319 receive the data packet for non-addressing, they leave the address mode. In addition, in the data packet for addressing, in addition to the first data slot, the remaining data slots can be used to transmit the driving data. Therefore, the lamp control chips 311 to 319 can also obtain driving data from the data packets for addressing to drive the first to Nth lamps 339.

In the normal picture display mode, the trigger terminals 341 of the lamp control chips 311 to 319 can be used to output the wafer detection data inside the wafer, and the output terminals 343 of the lamp control chips 311 to 319 can be used to receive the latter stage lamp control chip. The wafer detection data output from 311 to 319. In other words, the serially connected luminaire control wafers 311-319 can return their internal wafer detection data. The wafer detection data such as the wafer temperature, the current output state, the address information, the error detection data, and the like, but the embodiment is not limited thereto.

It should be noted that, in the first data slot (slot 0), the data corresponding to the addressing mode is, for example, 00001111 or 00001100, and the data corresponding to the normal display mode is, for example, 00000000 or 11110000, and the present embodiment does not limit the two modes. Corresponding information, as long as the two materials are different. In addition, the above normal display mode can also be regarded as leaving the operation mode in the address mode, that is, as long as the first to Nth lamp control chips 311 to 319 do not enter the address mode, that is, the table The display is in the normal display mode, so in this setting, only the data corresponding to the addressing mode needs to be defined. When the first to Nth lamp control chips 311 to 319 do not detect the data corresponding to the address mode, they leave the address mode and automatically enter the normal display mode.

In the addressing mode, the first to Nth lamp control chips 311 to 319 determine the address of the device according to the timing of the voltage level change of the set voltage received by the trigger terminal 341 and the number of data slots received at that time. . For example, when it is detected that the first set voltage is converted to a logic high level, the first lamp control wafer 311 determines the address of the first lamp control chip 311 according to the count signal corresponding to the number of received data slots. For example, if the first set voltage is logic high when the system is started, the first lamp control chip 311 detects that the level of the trigger terminal 141 is logic high before receiving any data slot. Therefore, when the first data slot (slot 0) is received to indicate that the address mode is entered, the first lamp control chip 311 knows that it is the first one in all the lamp control chips, and sets its own address accordingly. Then, the first luminaire control chip 311 records the above address in the address memory unit inside its 311.

Then, the first lamp control chip 311 continues to count the number of received data slots, after a predetermined number of data slots (for example, one data slot or two data slots, which can be determined according to requirements) The second set voltage output by the output 343 of the first luminaire control wafer 311 is switched to a preset potential (ie, a logic high) to trigger the second luminaire control wafer 312.

Similarly, the second lamp control chip 312 will detect the potential of the trigger terminal 341 (ie, the second set voltage outputted by the output terminal 343 of the first lamp control wafer 311) to a logic high level, according to the corresponding The count signal of the number of received data slots determines the address of the second luminaire control wafer 312. For example, if the first luminaire control wafer 311 is at an output after spacing a data slot 343 is converted to a logic high. The second lamp control chip 312 will first detect that the potential of the trigger terminal 341 is converted to a logic high level after receiving a data slot. Thus, the second luminaire control wafer 312 will know that it is the second of all luminaire control wafers and set its own address accordingly, after which the second luminaire control wafer 312 will record the above address at its 312. Internal address memory unit.

By analogy, each of the luminaire control chips 311 319 319 can learn its own arrangement according to the number of received data slots when the potential of the trigger terminal 341 is converted to a logic high level (ie, when the trigger terminal 341 is triggered). The sequence then determines the address of the luminaire control wafer. After the first to Nth lamp control chips 311 to 319 are set to their own addresses, the data slots in the data packet can be read according to the address to drive the corresponding first to Nth lamps 331 to 339. For example, the first luminaire control wafer 311 reads the first data slot (slot 1) in the data packet, and the second luminaire control wafer 312 reads the second data slot (slot 2) in the data packet, and the remaining luminaires control The same is true for wafers and will not be described here.

In addition, it is worth noting that each of the luminaire control wafers can also read a plurality of data slots at a time. For example, the first luminaire control wafer 311 reads the first to third data slots (slot 1 to slot 3) in the data packet. The second luminaire control chip 312 reads the 4th to 6th data slots (slot 4~slot 6) in the data packet, and the rest of the luminaire control wafers are deduced by analogy, and will not be described here. That is to say, the first to Nth lamp control chips 311 to 319 determine the address of the lamp control chip according to the voltage level of the trigger terminal 341 and the counting signal corresponding to the number of received data slots, respectively, and end. After that, the above address is memorized by its internal address memory unit.

Next, the address setting manners of the first to Nth lamp control chips 311 to 319 described above are further described in conjunction with the waveform of the data packet. Please refer to Figure 4 together. 4 is a signal waveform diagram according to the first embodiment of the present invention. Generally, in the data packet of the DMX512, the data slot slot 0 that is first transmitted is a start code, which can be used to distinguish the type of the connected fixture. In this embodiment, the first data slot (slot) is assumed. 0) When all are logic 1, it indicates that the address setting of the lamp control chips 311 to 319 is to be started. In addition, the inter-channel time 419 (Mark time between slots) is the interval between the time slot and the time slot, which is between 0 and 1 second, and the time of the MAB after the interruption is between 8 microseconds and 1 second.

In FIG. 4, the first set voltage represents the voltage received by the trigger terminal 341 of the first lamp control wafer 311, and the second set voltage represents the voltage received by the trigger terminal 341 of the second lamp control wafer 312 (at the same time) The voltage output by the output terminal 343 of the first lamp control wafer 311, and the third set voltage indicates the voltage received by the trigger terminal 341 of the third lamp control wafer 313 (also the output of the second lamp control wafer 312). 343 output voltage).

When the system is started, the first set voltage is preset to a logic high level (H). If the first lamp control chip 311 receives the start data slot (slot 0) as all logic 1, the first lamp control chip 311 is set. The address of itself is the first order, indicating that it is located in the first of all the lamp control chips 311~319. Then, after spacing one of the data slots, the second set voltage is converted to a logic high by the first luminaire control wafer 311 to trigger the second luminaire control wafer 312 to set its address. Since the time when the second set voltage is converted to the logic high voltage is located in the data slot 1 , the second lamp control chip 312 detects the data slot 1 , and the second lamp control chip 312 sets the address to correspond to The luminaire control wafer in the second order. Similarly, after a data slot is separated, the second lamp control chip 312 converts the voltage (the third set voltage) outputted from the output terminal 343 into a logic high level to trigger after detecting the first data slot 2 . The third luminaire of the next stage controls the wafer 313 to set the address. Similarly, the back end of the luminaire control chip will It is triggered in sequence and infers its own order according to the number of data slots that have been received at the time of triggering to determine its own address.

In addition, it is worth noting that the time for switching the output voltage can be selected at any position during the transmission of the data slot, as indicated by the second set voltage in FIG. 4, as long as the luminaire control chip can count the received data slots. The quantity is fine. In another embodiment of the present invention, the time for switching the voltage of the output terminal may also be switched after the corresponding data slot is transmitted, and the present invention is not limited thereto. It can be seen from the above description that the lamp control chip of the present invention can automatically detect its own arrangement order and set a corresponding address to read the corresponding data slot. In the luminaire control chip, the interval from when the trigger terminal 341 is triggered (the set voltage of the preset potential is received) to the set voltage outputted by the output terminal 343 thereof may be one or more data slots (or the period of the data slot) ). The interval between all series of luminaire control wafers must be the same so that the luminaire control wafer can infer its position by counting the received data slots.

For example, suppose the interval is two data slots. When the luminaire control chip is triggered, the number of received data slots is 10 (or the ninth data slot is received, ie, slot 10), indicating that the luminaire control chip is arranged in The sixth. In addition, in the present embodiment, the number of serially connected luminaire control wafers is not limited, such as two or more luminaire control wafers. Based on the above description of the present embodiment, those skilled in the art should be able to infer other embodiments, which are not described herein.

After the address is set in the above manner, since the address of each chip has been stored by its internal address memory unit, the trigger terminal 341 and the output terminal 343 may not be used. Therefore, if any one of the wafers is damaged during operation, it is not necessary to perform an address setting again, and it can be directly replaced. In addition, after the address setting is completed, the trigger end 341 and the output end 343 of all the above lamp control chips are used as the judgment lamp control crystal. Whether the drive unit inside the chip has a problem with the program troubleshooting function. The following is to illustrate the function of the detail circuit inside the luminaire control wafer as a second embodiment.

(Second embodiment)

The addressing modes in the first to Nth lamp control wafers 311 to 319 can be implemented by a firmware or a circuit, and the present invention is not limited thereto. Taking a circuit as an example, please refer to FIG. 5. FIG. 5 is a circuit diagram of a lamp control wafer according to a second embodiment of the present invention. 5 is an example of the first lamp control wafer 311. The rest of the lamp control wafers have the same structure, which can be inferred from FIG. 5. Referring to FIG. 5, the first lamp control chip 311 includes an address memory unit 510, a counter 520, a driving unit 530, a first switch 540, a second switch 541, and a shift register 550, wherein the counter 520 is coupled to the signal receiving. The interface 342, the first switch 540, the second switch 541, the output terminal 343, and the address memory unit 510. The driving unit 530 is coupled to the address memory unit 510, the signal receiving interface 342, and the shift register 550.

When address setting is performed, that is, when the start data slot (slot 0) is all logic 1, the first switch 540 couples the trigger terminal 341 to the counter 520 and the second switch 541 couples the output terminal 343 to the counter 520. The counter 520 starts counting the number of data slots received, and outputs a count signal MD corresponding to the number of received data slots to the address when the voltage level of the first set voltage is switched to a preset potential (such as a logic high level). Memory unit 510. The address memory unit 510 sets an address based on the count signal MD and memorizes the address. Then, the driving unit 530 reads the corresponding one or more data slots from the received data packets according to the set address to drive the one or more luminaires to which the first luminaire control wafer 311 is connected. It should be noted that the voltage of the output terminal 343 can be implemented by other circuits, such as the output of the driving unit 530. The above FIG. 5 is only an embodiment of the present invention, and the present invention is not limited thereto. In this embodiment, the preset potential of the first set voltage is exemplified by a logic high potential, but in another embodiment of the present invention, The above preset potential can also be set to a logic low level according to design requirements, and the present invention is not limited thereto.

When the address setting is completed, the first switch 540 couples the trigger terminal 341 to the shift register 550 and the second switch couples the output terminal 343 to the shift register 550. After the driving unit 530 of the first lamp control chip 311 receives the data of the data slot (slot 1), if the operation is normal, the normal operation flag (for example, logic 1) is sent to the shift register 550. The bit register 550 outputs a logic 1 to the trigger terminal of the first lamp control wafer 311. When the driving unit 530 of the second lamp control chip 312 receives the data of the data slot (slot 2), if the operation is not normal, the driving unit 530 transmits an abnormally operating flag (for example, logic 0) to the inside thereof. The shift register 550, the shift register 550 outputs a logic 0 to the trigger terminal of the second lamp control wafer 312.

Since the trigger end 341 and the output end 343 of the N luminaire control chips 311 319 are connected in series with each other, the user only needs to read from the trigger end of the first luminaire control chip 311 to find the second output. The logic is logic 0, and the user can know that the second luminaire control wafer 312 is damaged or not functioning properly, so the user can perform emergency processing, such as replacement or resetting, on the wafer 312. In addition, the shift register 550 does not have to be used to receive the flag for debugging as described above, and the driving unit 530 can still return the status of the lamp, for example; lamp temperature, LED open/short circuit, current position information readback, etc. Wait.... Therefore, the present invention is not limited to the above embodiments.

When the address setting is completed, the first switch 540 couples the trigger terminal 341 to the shift register 550 and the second switch 541 couples the output terminal 343 to the shift register 550. After the driving unit 530 of the first lamp control chip 311 receives the data of the data slot (slot 1), if the operation is normal, the normal operation flag (for example, logic 1) is sent to the shift register 550. Bit register 550 will be logic 1 Output to the output of the first luminaire control wafer 311. When the driving unit 530 of the second lamp control chip 312 receives the data of the data slot (slot 2), if the operation is not normal, the driving unit 530 transmits an abnormally operating flag (for example, logic 0) to the inside thereof. The shift register 550, the shift register 550 outputs a logic 0 to the output of the second lamp control wafer 312.

Since the trigger end 341 and the output end 343 of the N luminaire control chips 311 319 are connected in series with each other, the user only needs to read from the output end of the Nth luminaire control chip 319 to find the second output from the last. The logic is logic 0, and the user can know that the second luminaire control wafer 312 is damaged or not functioning properly, so the user can perform emergency processing, such as replacement or resetting, on the wafer 312. In addition, the shift register 550 does not have to be used to receive the flag for debugging as described above, and the driving unit 530 can still return the status of the lamp, such as: lamp temperature, LED open/short circuit, current position information readback, etc. Wait.... Therefore, the present invention is not limited to the above embodiments.

It should be noted that since the shift register 550 of the present invention can be transmitted in both directions, the user can receive data from the trigger terminal 341 of the lamp control chip 311 or receive data from the output terminal 343 of the lamp control chip 311. The shift register 550 can receive the specified message output by the driving unit 530, and is controlled by the driving unit 530 to transmit the specified message to the first switch circuit 540 or the second switch circuit 541, and then output through the trigger terminal 341 or the output terminal 343. . In other words, after the luminaire control wafers 311-319 of the present invention are serially connected, the data can be output via the trigger terminal 341 of the first luminaire control wafer 311 or the output of the last luminaire control wafer 319.

In this embodiment, the shift register 550 bidirectional transfer function can be implemented by a plurality of different implementations. For example, the shift register 550 can be implemented by using two sets of flip-flops, wherein one set of flip-flops Responsible for the first switch circuit 540 to The second switch circuit 541, the other set of flip-flops is responsible for switching from the second switch circuit 541 to the first switch circuit 540, and the two sets of flip-flops can be switched by the switch. In another embodiment, a switching element capable of adjusting the transmission direction is disposed in the shift register 550, and switching of the transmission direction is achieved by switching of the switching elements. For example, the shift register 550 can include two three-terminal switching elements and a shift temporary storage unit, wherein one switching element is coupled to both ends of the first switching circuit 540 and the shift register unit (input The other switching element is coupled to both ends of the second switching circuit 541 and the shift register unit. The transmission direction of the shift register 550 can be adjusted by switching the switching elements. Through the description of the above embodiments, those skilled in the art should be able to easily infer the implementation of the shift register 550, and no further details are provided herein.

(Third embodiment)

Figure 6 is a circuit diagram of a luminaire control wafer in accordance with a third embodiment of the present invention. 6 is an example of the first lamp control wafer 311. The rest of the lamp control wafers have the same structure, which can be inferred from FIG. 6. Referring to FIG. 6 , the first lamp control chip 311 includes an address memory unit 610 , a counter 620 , a driving unit 630 , a multiplexer 640 , a D-type flip-flop 650 , a first switch 660 , and a second switch 670 . The signal is coupled to the signal receiving interface 342, the multiplexer 640, the output terminal 343, the first switch 660, the second switch 670, and the address memory unit 610. The driving unit 630 is coupled to the address memory unit 610, the signal receiving interface 342, the multiplexer 640, and the D-type flip-flop 650.

Since the manner of addressing is the same as the second embodiment described above, it will not be described again. This embodiment focuses only on how to add additional functionality to the trigger and output terminals of the wafer. When the address setting is completed and the backlight status is returned, for example, the first switch 660 couples the trigger terminal 341 to the D-type flip-flop 650 and the second switch 670 couples the output terminal 343 to the multiplexer 640. . The output of the multiplexer 640 will depend on The selection signal is first connected to the driving unit 630. Therefore, the driving unit 630 can transmit the lamp status data to the D-type flip-flop 650, and store the lamp status data according to a trigger signal transmitted by the driving unit 630. Next, the output of the selection signal switching multiplexer 640 is connected to the second switch 670, and the DMX decoder inside the driving unit 630 generates a homogenous signal as a trigger signal of the D-type flip-flop 650, and thus is connected in series. In application, the triggering end 341 of the first luminaire control wafer 311 can sequentially read the status of each luminaire. In addition, the D-type flip-flop 650 does not have to be used to read out the state of the lamp as described above, and the driving unit 630 can still return, for example, the lamp temperature, the LED open/short circuit, the current position information readback, the debug message, and the like. Wait.... Therefore, the present invention is not limited to the above embodiments.

(Fourth embodiment)

According to the description of the above embodiments, the present invention can be summarized as a method for addressing a lamp control wafer, which is suitable for a lamp control wafer. The luminaire control chip includes a trigger end, an output end and a signal receiving interface, wherein the trigger end is configured to receive a first set voltage, the output end is configured to output a second set voltage, and the signal receiving interface is configured to receive a data packet , wherein the data packet has a plurality of data slots for serial transmission. For the structure of the lamp control wafer, please refer to the description of the first embodiment described above. Please refer to FIG. 7 for a flowchart of the addressing method. FIG. 7 is a flowchart of an addressing method according to a third embodiment of the present invention. First, the counting lamp controls the number of data slots that the wafer has received to generate a counting signal (step S710), and then determines the lamp control chip according to the voltage level of the first set voltage and the counting signal corresponding to the number of received data slots. One address (step S720). Thereafter, the above address is memorized (step S730). After leaving the addressing mode, the triggering terminal and the output terminal are used to perform a specified function (step S740), that is, the command is transmitted through the trigger terminal and the output terminal to enable the serially connected lamp control chip to output a wafer detection data. .

Step S710 further includes determining whether to enter or leave the addressing mode based on the data of the first data slot (slot 0).

Step S720 further includes: when detecting that the voltage level of the first set voltage is converted to a preset potential, determining an address of the first luminaire control chip according to the number of received data slots, and then spacing a predetermined amount of data After the slot, the second set voltage outputted by the output is converted to a preset potential (eg, a logic high). The remaining details of the addressing method of the present invention, those of ordinary skill in the art, should be inferred from the description of the first embodiment described above, and are not described herein.

Step S740 further includes: 1. using the trigger terminal to receive a specified message outputted by the previous chip and using the specified message data outputted by the output terminal to perform a designated function; or using the output terminal to receive a specified message output by the previous chip and using the trigger The specified message output by the terminal performs the specified function. The above specified functions include the return lamp temperature, open circuit short circuit status, current address information readback, debugging, etc...

In addition, it is to be noted that the coupling relationship between the above elements includes a direct or indirect electrical connection as long as the desired electrical signal transfer function can be achieved, and the invention is not limited. The technical means in the above embodiments may be combined or used alone, and the components may be added, removed, adjusted or replaced according to their functions and design requirements, and the invention is not limited. After the description of the above embodiments, those skilled in the art should be able to deduce the embodiments thereof, and will not be described herein.

In summary, the spirit of the present invention is mainly that the address can be automatically set according to the received data slot when triggered, and then the automatically set address can be stored. The lamp control chip of the invention can automatically detect its own arrangement order and set the corresponding address without an external setting mechanism or a manually set program. Thereby, the luminaire control wafer of the present invention can freely adjust the alignment of the individual wafers. In sequence, the individual chips will automatically set the corresponding address when receiving the data packet. In addition, after the setting is completed, the trigger end and the output end of the chip can be used for another designated function. The wafer's pins are not wasted. When any of the luminaires are damaged, it is not necessary to completely reset them. It is only necessary to replace the damaged wafers and operate them.

The specific embodiments of the present invention are intended to be illustrative only and not to limit the invention to the above embodiments, without departing from the spirit of the invention and the following claims. The scope of the invention and the various changes made are within the scope of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims.

100,300‧‧‧Lighting system

110,310‧‧‧First lamp control device

111~119, 311~319‧‧‧First to Nth luminaire control wafers

120, 320‧‧‧DMX512 controller

131~139, 331~339‧‧‧first to Nth lamps

141, 341‧‧‧ trigger

142, 342‧‧‧ signal receiving interface

143, 343‧‧‧ output

R‧‧‧resistance

Slot 0~slot 2‧‧‧ data slot

BREAK‧‧‧interrupted

MAB‧‧‧ After the interruption

H‧‧‧Logical high potential

L‧‧‧Logical low potential

219, 419‧‧‧ inter-channel time

510, 610‧‧‧ address memory unit

520, 620‧‧‧ counter

530, 630‧‧‧ drive unit

550‧‧‧Shift register

540, 660‧‧‧ first switch

541, 670‧‧‧ second switch

MD‧‧‧counting signal

S710~S740‧‧‧ steps of the embodiment of the present invention

640‧‧‧Multiplexer

650‧‧‧D type flip-flop

1 is a schematic view of a lighting system in accordance with a first embodiment of the present invention.

2 is a signal waveform diagram of a lighting system in accordance with a first embodiment of the present invention.

Figure 3 is a schematic illustration of a lighting system in accordance with a first embodiment of the present invention.

Figure 4 is a signal waveform diagram in accordance with a first embodiment of the present invention.

Figure 5 is a circuit diagram of a luminaire control wafer in accordance with a second embodiment of the present invention.

Figure 6 is a circuit diagram of a luminaire control wafer in accordance with a third embodiment of the present invention.

FIG. 7 is a flow chart of an addressing method according to a fourth embodiment of the present invention.

100‧‧‧Lighting system

110‧‧‧First lamp control device

111~119‧‧‧First to Nth luminaire control wafers

120‧‧‧DMX512 controller

131~139‧‧‧First to Nth lamps

141‧‧‧Trigger

142‧‧‧Signal receiving interface

143‧‧‧output

R‧‧‧resistance

Claims (16)

A luminaire control chip is adapted to drive one or more luminaires according to a first set voltage and a data packet, wherein the data packet has a plurality of serially transmitted data slots, wherein the luminaire control chip includes a trigger end, An output end and a signal receiving interface, the trigger end is configured to receive the first set voltage, the output end is configured to output a second set voltage, and the signal receiving interface is configured to receive the data packet, wherein the luminaire controls the chip Having an address mode, when the luminaire controls the wafer to enter the addressing mode, the luminaire control chip determines a bit of the luminaire control chip according to the voltage level of the first set voltage and the number of data slots that the luminaire control wafer has received And the luminaire records the address, and when the luminaire controls the wafer to leave the addressing mode, the luminaire controls the wafer to output a wafer detection data via the trigger or output. The luminaire control chip of claim 1, wherein the luminaire controls the voltage level of the first set voltage to be converted to a preset potential when the wafer enters the addressing mode, according to the counting signal Determining the address of the luminaire control wafer, and then switching the second set voltage outputted by the output to the predetermined potential after being separated by a predetermined number of data slots. The luminaire control chip of claim 1, wherein the luminaire control chip comprises: a counter coupled to the signal receiving interface and the trigger end for counting the number of received data slots, and When a voltage level of the set voltage is converted to a preset potential, a count signal corresponding to the number of received data slots is output; an address memory unit coupled to the counter, according to the count signal Setting the address and memorizing the address; and a driving unit coupled to the address memory unit and the signal receiving interface, and reading the corresponding one or more from the received data packet according to the address A data slot drives the luminaire to control one or more luminaires to which the wafer is attached. The luminaire control chip according to claim 1, wherein the data packet corresponds to a data format of the DMX512 standard, and the first set voltage is a DC voltage, and the signal receiving interface is adapted to receive a signal conforming to the EIA-485 standard. . The luminaire control chip of claim 3, further comprising: a first switch circuit comprising a first end, a second end and a third end, wherein the first of the first switch circuit The second end of the first switch circuit is coupled to the counter; the second switch circuit includes a first end, a second end, and a third end, wherein the The first end of the second switch circuit is coupled to the output end, the second end of the second switch circuit is coupled to the counter, and a displacement register coupled to the third end of the first switch circuit And the third end of the second switch circuit, and a trigger end of the displacement register is coupled to the driving unit to receive a trigger signal; wherein, when the lamp controls the wafer to perform the addressing mode, the first The first end of the switch circuit is electrically connected to the second end of the switch circuit, the first end of the first switch circuit is non-conducting with the third end of the switch circuit, and the first end of the second switch circuit Conducting with the second end of the switch circuit, the second switch circuit The first end is not conductive to the third end of the switch circuit; When the luminaire controls the wafer to complete the addressing mode, the first end of the first switch circuit and the second end of the switch circuit are non-conducting, the first end of the first switch circuit and the switch circuit The third end is turned on, the first end of the second switch circuit is non-conducting with the second end of the switch circuit, and the first end of the second switch circuit is electrically connected to the third end of the switch circuit; The shift register can receive a specified message output by the driving unit, and is controlled by the driving unit to transmit the specified message to the first switch circuit or the second switch circuit. The luminaire control chip of claim 1, wherein the wafer detection data includes a wafer temperature, a current output state, address information, and error detection data. The luminaire control chip of claim 3, further comprising: a first switch circuit comprising a first end, a second end and a third end, wherein the first end of the first switch circuit The first switch circuit is coupled to the counter, and the second switch circuit includes a first end, a second end, and a third end, wherein the second switch The first end of the circuit is coupled to the output end, and the second end of the second switch circuit is coupled to the counter; a multiplexer includes a first end, a second end, an output end, and a control end The first end of the multiplexer circuit is coupled to the third end of the second switch circuit, and the second end of the multiplexer is coupled to the drive unit to receive the specified message output by the drive unit; And a D-type flip-flop, comprising an input end, an output end and a trigger end, wherein the input end of the D-type flip-flop is coupled to the output end of the multiplexer, The output end of the D-type flip-flop is coupled to the third end of the first switch circuit, and the trigger end of the D-type flip-flop is coupled to the drive unit to receive a trigger signal output by the drive unit, where When the luminaire controls the wafer to perform the addressing mode, the first end of the first switch circuit is electrically connected to the second end of the switch circuit, the first end of the first switch circuit and the third end of the switch circuit Non-conducting, the first end of the second switch circuit is electrically connected to the second end of the switch circuit, and the first end of the second switch circuit is non-conducting with the third end of the switch circuit, wherein The first control terminal of the first switch circuit is non-conducting with the second end of the switch circuit, and the first end of the first switch circuit is electrically connected to the third end of the switch circuit. The first end of the second switch circuit is non-conducting with the second end of the switch circuit, the first end of the second switch circuit is electrically connected to the third end of the switch circuit, and the multiplexer is controlled Receiving a selection signal to make the multiplexer The terminal is electrically coupled to the output end of the multiplexer, wherein the input end of the D-type flip-flop is configured to receive a specified message output by the driving unit, wherein when the D-type flip-flop is The trigger terminal receives the trigger signal output by the driving unit, and the D-type flip-flop transmits the data received by the input end of the D-type flip-flop to the output end of the D-type flip-flop. The luminaire control chip of claim 1, wherein the luminaire control chip determines to enter the address mode or leave the address mode according to the data of the first data slot in the data packet. A lamp control device is adapted to drive a plurality of lamps according to a first set voltage and a data packet, wherein the data packet has a plurality of strings The data transmission device of the column, the lamp control device includes: a first lamp control chip, having a first trigger end, a first output end and a first signal receiving interface, wherein the first trigger end is configured to receive the data a first output terminal for outputting a second set voltage, the first signal receiving interface for receiving the data packet, and a second lamp control chip having a second trigger end and a second output And the second signal receiving interface, wherein the second triggering end is coupled to the first output end, the second signal receiving interface is configured to receive the data packet; wherein, when the first luminaire controls the chip to enter the address mode The first lamp control chip determines a first address of the first lamp control chip according to the voltage level of the first set voltage and the number of data slots that the second lamp control chip has received, and the first a luminaire control chip memorizes the first address; the second luminaire controls the chip according to the voltage level of the second set voltage and the number of data slots that the second luminaire control wafer has received The second luminaire controls a second address of the wafer, and the second luminaire controls the chip to memorize the second address; wherein, when the first luminaire controls the wafer to leave the addressing mode, the first luminaire controls the wafer via The first trigger terminal or the first output terminal outputs a wafer detection data. The luminaire control device of claim 9, wherein when the first luminaire controls the wafer to enter the addressing mode, when detecting that the voltage level of the first set voltage is converted to a predetermined potential, The first counting signal determines the first address of the first lamp control wafer, and then switches the second set voltage outputted by the first output terminal to the preset potential after being separated by a predetermined number of data slots. The luminaire control device according to claim 9 of the patent application, wherein The first lamp control chip includes: a counter coupled to the first signal receiving interface and the first trigger terminal for counting the number of received data slots to generate a first counting signal; and an address memory unit And being coupled to the counter, setting the first address according to the first counting signal, and memorizing the first address; and a driving unit coupled to the address memory unit and the first signal receiving interface, according to The first address reads the corresponding one or more data slots from the received data packet to drive the one or more light fixtures to which the first light fixture control wafer is connected. The luminaire control device of claim 9, wherein the first luminaire control chip determines to enter the address mode or leave the address mode according to the data of the first data slot in the data packet. A method for addressing a luminaire control chip is applicable to a luminaire control chip. The luminaire control chip includes a trigger end, an output end and a signal receiving interface, wherein the trigger end is configured to receive a first set voltage, and the output end is configured to receive a first set voltage. To output a second set voltage, the signal receiving interface is configured to receive a data packet, wherein the data packet has a plurality of serially transmitted data slots, wherein the addressing method comprises: counting the luminaire in an address mode Controlling the number of data slots that have been received by the wafer to generate a count signal; determining, according to the voltage level of the first set voltage and the count signal corresponding to the number of received data slots; determining an address of the luminaire control chip; The address. The method for determining the address of the lamp control chip according to claim 13 is as follows: the step of determining the address of the lamp control chip further comprises: converting the voltage level of the first set voltage to a preset At potential Determining the address of the lamp control chip according to the counting signal, and then switching the second set voltage outputted by the output terminal to the preset potential after being separated by a predetermined number of data slots. The method for addressing a luminaire control chip according to claim 13, wherein the data packet corresponds to a data format of the DMX512 standard, and the first set voltage is a DC voltage, and the signal receiving interface is adapted to receive EIA-485. Standard signal. The method for addressing a luminaire control wafer according to claim 13 , wherein the step of counting the number of data slots that the luminaire control wafer has received to generate the counting signal further comprises: according to the first data in the data packet The data of the slot determines whether to enter the address mode or leave the address mode.