CN202617407U - Four-channel DALI total control module - Google Patents

Abstract

The utility model discloses a four-channel DALI total control module which comprises a main control chip. The main control chip is connected with a peripheral power supply circuit, an oscillator circuit and a front panel indicating lamp LED driving circuit. A chip IO driving interface of the main control chip and a universal asynchronous transceiver communication interface are connected with an interface circuit board through a first connection plug-in. The interface circuit board leads to a control line of the main control chip through a third connection plug-in. By using the above technical scheme, a real-time clock can be realized in the utility model; a corrected real-time clock function is provided; and a front panel indicating lamp displays a bus running state and a current state of each control port.

Description

Four-way DALI top control module

Technical field

The present invention relates to a kind of master control module that is used to control the DALI bus apparatus, be mainly used in the light source that control DALI bus dimming ballast drives.

Background technology

Requiring of modern building illumination is increasingly high, not only requires to provide comfortable, green illumination, and different occasions needs different lighting environments simultaneously.Green illumination needs the electric lighting product of scientific design and high efficiency, life-span length, safety and stable performance to realize that the electric lighting product comprises: electric light source, lamp electrical appliance annex, light fixture, distribution equipment, and light controller and light-controlling device spare.Here light modulation, control light mainly refer to intelligent lighting system, and traditional illumination control is general adopts hand switch control, be difficult to realize for above-mentioned requirements, and circuit is very complicated, operate very loaded down with trivial detailsly, and have many can't dealing with problems.Along with the raising of customer requirements and the reduction of development of technology and product cost, traditional illumination control will progressively be replaced by intelligent lighting control, and this will become a kind of trend.

Digital address light interface (DALI), Philips in 1999, ORSAM (Ou Silang), companies such as Tridonic have worked out the industrial standard of DALI jointly, include IEC929 in, guarantee that the DALI equipment that different manufactories produces can be all compatible.

Based on the industrial standard of DALI, the DALI single bus can be in 300 meters scopes maximum 64 equipment of carry.Present each giant manufacturer, as: Philips, the DALI master control that ORSAM etc. provided all only provides 1 DALI bus as each master controller of standard, and promptly per 64 equipment (light fixture) just need to increase the main control module of an expensive.Can only be confined to so obviously use within the very little scope, and can't in whole building, use.

The utility model content

Because the above-mentioned shortcoming of prior art, the utility model discloses a kind of four-way DALI top control module, through following technical scheme, solves above-mentioned shortcoming.

Four-way DALI top control module; It comprises a master control chip; This master control chip connects peripheral power supply circuits, pierce circuit, front panel indicator light led drive circuit; The chip I driving interface of said master control chip is connected plug-in unit with the UART Universal Asynchronous Receiver Transmitter communication interface through first and connects a said interface card, and said interface card connects the control circuit that plug-in unit is drawn said master control chip through the 3rd.

The RB4 port of said master control chip connects a comparator through a sign-changing amplifier; And connect one second resistance through one the 3rd resistance; This second resistance is through the supply power voltage of one first resistance connection 15V, and this second resistance connects a voltage-stabiliser tube, the other end ground connection of this voltage-stabiliser tube; Said comparator forward end is connected between said second resistance and the 3rd resistance, and its input is as DALI first output port; The RC4 port of said master control chip connects one second amplifier, and this second amplifier connects second resistance through the 4th resistance, the 5th resistance other end ground connection; First transistor collector is connected in the power supply of 15V, and its emitter is connected in first output port of DALI, and its base stage is connected with its collector electrode through the 6th resistance; The base stage of one second triode is connected between said the 4th resistance and the 5th resistance, its grounded emitter, and collector electrode connects the 15V power supply through the 6th resistance; The collector electrode of one the 3rd triode is connected with the base stage of said first triode, its grounded emitter, and its base stage is as second output port of DALI, and is connected one the 7th resistance between the 3rd transistor base and emitter; Parallelly connected one the 8th resistance and first electric capacity between DALI first output port and second output port.

Also comprise a D_RX and D_TX, said D_RX connects power supply circuits through resistance R, and connects the emitter of a triode; The base stage of this triode connects a DALI interface DALI1 through a resistance, and the grounded collector of this triode, and said D_TX is connected with the base stage of a triode through resistance; And the emitter of this triode connects; Collector electrode connects a DALI interface, said resistance two ends parallel connection one electric capacity, and a said DALI interface connects the 15V feeder ear through a resistance.

Owing to adopt above technical scheme, the utility model is to solve the technical problem of this series products at present:

1, real-time clock provides calibrated real-time clock function.

2, front panel indicator light, show bus running status and each control mouthful current state.

Description of drawings

Fig. 1 is the core control board schematic diagram of the utility model.

Fig. 2 a to Fig. 2 h is the interface card schematic diagram of the utility model.

Fig. 3 is the circuit diagram that the master control single-chip microcomputer DALI signal of the utility model produces.

Embodiment

The utility model is a kind of addressable RS-485 bus-type control device, connects 128 devices at most at monobus.2 pairs of twisted-pair feeders of bus RVVS4x1.0 four-core are respectively 12VDC power supply and bus Data+/Data-, and device is generally the unified power supply of bus, also can be by supplied power the instantaneous power consumption 1W of each device bus, normality standby 0.5W separately separately by the 12VDC supply.Individual devices provides 4 bidirectional bus interfaces of supporting complete DALI agreement, but maximum carry equipment adds up to 255.Each DALI EBI transmitting-receiving all has the led state indication of front panel.

Adopting 16 single-chip microcomputers of Microchip PIC24F16KA102 is that the master control chip is as shown in Figure 1, realizes receiving the transfer of data conversion of instruction of RS-485 versabus and specified interface DALI bus through inside programming.Circuit is divided into 2 PCB in realizing; Fig. 1 is the core control board; Comprise the necessary peripheral power supply circuits VR1 of U1 single-chip microcomputer, pierce circuit Y1 and front panel indicator light LED and drive, chip I drives CH1-CH8 and is connected with interface card through connector P1 with universal asynchronous reception/dispensing device UART communication interface.

This U1 single-chip microcomputer main control chip comprises 28 I/O interfaces; Wherein contain four power interfaces; Wherein be divided into two and interconnect operating voltage interface the 13 interface and the 28 interface; And two power cathode interfaces: the 8th interface and the 27 interface, the 8th interface ground connection, and the 13 interface and the 27 interface are connected on the two ends of first electric capacity.Wherein second interface connects the 9th LED lamp, and the 3rd interface connects current source, the 9th interface and the tenth interface and oscillator circuit, and the 12 interface connects the 7th LED; First interface connects MCRL, and the 20 interface connects the 3rd LED, and the 19 interface connects the 4th LED; The 4th interface is the data transmission interface of serial communication, and the 5th interface is the Data Receiving interface of serial communication, and the 6th interface connects the 8th chip drives CH8; The 7th interface is the DE interface, and the 11 interface connects the 8th LED, and the 14 interface connects the 6th LED; The 15 interface connects the 5th LED, and the 16 interface connects the 7th chip drives CH7, and the 18 interface connects the 5th chip drives CH5; The 21 interface connects the four-core sheet and drives CH4, and the 22 interface connects three chip drives CH3, and the 23 interface connects the 2nd LED; The 24 interface connects the second chip drives CH2, and the 25 interface connects a LED, and the 26 interface connects first chip drives.

Said current source comprises 1 the 11 resistance R 11, and it connects said peripheral power supply circuits, and the 11 resistance R 11 1 ends connect 1 the tenth diode D2, the tenth diode D2 other end ground connection.

Said front panel indicator light LED drives, and comprises a LED interface loop, the 2nd LED interface loop, the 3rd LED interface loop, the 4th LED interface loop, the 5th LED interface loop, the 6th LED interface loop, the 7th LED interface loop, the 8th LED interface loop; A said LED interface loop comprises one first LED 1; This first LED 1 connects peripheral power supply circuits through one second resistance R 2; Said the 2nd LED interface loop comprises one second LED 2, and this second LED 2 connects peripheral power supply circuits through one the 3rd resistance R 3; Said the 3rd LED interface loop comprises that one the 3rd LED, 3, the three LEDs 3 connect peripheral power supply circuits through one the 4th resistance R 4; Said the 4th LED interface loop comprises that one the 4th LED, 4, the four LEDs 4 connect peripheral power supply circuits through one the 5th resistance R 5; Said the 5th LED interface loop comprises that one the 5th LED, 5, the five light-emitting diodes connect peripheral power supply circuits through one the 6th resistance R 5; Said the 6th LED interface loop comprises that one the 6th LED, 6, the six LEDs 6 connect peripheral power supply circuits through one the 7th resistance R 7; Said the 7th LED interface loop comprises that one the 7th LED, 7, the seven LEDs 7 connect peripheral power supply circuits through one the 8th resistance R 8; Said the 8th LED interface loop comprises that one the 8th LED, 8, the eight LEDs 8 connect peripheral power supply circuits through one the 9th resistance R 9; Said the 9th LED interface loop comprises that one the 9th LED, 9, the nine LEDs 9 connect peripheral power supply circuits through 1 the tenth resistance R 10.

Said oscillator circuit comprises one the 4th capacitor C 4 and one the 5th capacitor C, 5, the four capacitor C 4 and the equal ground connection of the 5th capacitor C 5 one ends, and said the 4th capacitor C 4 is connected an oscillator with said the 5th capacitor C 5 other ends.

The first plug-in unit P1 is divided into 40 pins; This first pin all is connected supply voltage with the 21 pin; Second pin and the equal ground connection of the 22 pin; The 3rd pin all is connected MCRL with the 23 pin, the 4th pin and the equal ground connection of the 20 pin, and the 5th pin all sends mouth with the data of serial communication with the 25 pin and is connected; The 6th pin all is connected with de with the 26 pin; The 7th pin is connected with the 27 pin and connects the back through one first resistance R 1 and is connected with the Data Receiving mouth of serial communication, and the 8th pin is connected with the peripheral power supply circuits of the 28 pin, and the 9th pin all is connected the 12V power supply with the 20 pin; And the 11 pin is connected and ground connection with the 12 pin; The 30 pin is connected and ground connection with the 31 pin, and the 13 pin all is connected with the 8th chip output driving interface CH8 with the 30 pin, and the 14 pin all is connected with the 7th chip output driving interface CH7 with the 34 pin; The 15 pin all is connected with the 6th chip output driving interface CH6 with the 35 pin; The 16 pin all is connected with the 5th chip output driving interface CH5 with the 36 pin, and the 17 pin all is connected with the 4th chip output driving interface CH4 with the 37 pin, and the 18 pin all is connected with the 3rd chip output driving interface CH3 with the 38 pin; The 19 pin all is connected with second chip output driving interface CH2 with the 39 pin, and the 20 pin all is connected with first chip output driving interface CH1 with the 40 pin.

Shown in Fig. 2 a to Fig. 2 h; It is the structural representation of interface card Fig. 2 of the utility model; This interface card comprises that one the 3rd connects plug-in unit P3; The 3rd connects plug-in unit P3 is connected with said master control chip through its three pins, and the 3rd connection plug-in unit P3 draws its control circuit through eight pins that it is provided with.And the 3rd connects plug-in unit P3 is provided with 40 pins, and first pin wherein is connected supply power voltage VCC with the 21 pin, second pin and the 20 pin ground connection GND; The 4th pin with the 24 pin ground connection GND, the 5th pin is connected the Data Receiving interface TX of serial communication with the 25 pin, the 6th pin is connected the data transmission interface DE of serial communication with the 26 pin; The 7th pin is connected the data transmission interface RX of serial communication with the 27 pin, the 9th pin is connected the 12V power supply with the 29 pin, ground connection GND after the 11 pin links to each other with the 12 pin; Ground connection GND after the 31 pin links to each other with the 32 pin, the 33 pin connects D_RX1, and the 34 pin connects D_TX1; The 35 pin connects D_RX2; The 36 pin connects D_TX2, and the 37 pin connects D_RX3, and the 38 pin connects D_TX3; The 39 pin connects D_RX4, and the 40 pin connects D_TX4.

As shown in the figure, it is the circuit structure diagram of the second plug-in unit P2, and second plug-in unit is provided with ten pins, second pin, the 4th pin, the 6th pin, the 8th pin ground connection.First pin is as the interface end of a DAL I DALI1, and the 3rd pin is as the interface end of the 3rd DAL IDALI3, and the 5th pin is as the interface end of the 5th DALI DALI5, and the 7th pin is as the interface end of the 7th DAL I DALI7.

Controller of the present invention is through realizing following function to 216 chip programmings of Microchip PIC24F16KA10, and to solve the technical problem of this series products at present: real-time clock provides calibrated real-time clock (RTCC) function; Automatically schedule can be provided with 3 groups through bus command, every group of 10 timing point.Change the schedule group through instruction.3 groups of schedules are preset and are defined as working day, day off and self-defined; The multiclass address setting provides and can be used for the work of virtual marshalling cluster through 3 types of (territory, group and this locality) addresses that bus command is provided with; DALI bus address conversion automatically redefines.Expansion carry equipment total capacity; The front panel indicator light, show bus running status and each control mouthful current state.

A said D_RX1 connects power supply circuits VCC33 through the 12 resistance R 12; And the emitter that connects one second triode Q2; The base stage of this second triode Q2 connects a DALI interface DALI1 through 1 the 13 resistance R 13, and the grounded collector of this second triode Q2, and said D_TX1 is connected with the base stage of one first triode Q1 through the tenth resistance R 10; And the emitter of this first triode Q1 connects; Collector electrode connects a DALI interface DALI1, said the tenth resistance R 10 two ends parallel connection 1 the tenth capacitor C 10, and a said DALI interface DALI1 connects the 15V feeder ear through the 11 resistance R 11.A said D_RX2 connects power supply circuits VCC33 through the 22 resistance R 22; And the emitter that connects one the 4th triode Q4; The base stage of the 4th triode Q4 connects the 2nd DALI interface DALI2 through one the 23 resistance R 23, and the grounded collector of the 4th triode Q4, and said D_TX2 is connected with the base stage of one the 3rd triode Q3 through the 20 resistance R 20; And the emitter of the 3rd triode Q3 connects; Collector electrode connects the 2nd DALI interface DALI2, said the 20 resistance R 20 two ends parallel connection one the 20 capacitor C 20, and said the 2nd DALI interface DALI2 connects the 15V feeder ear through the 21 resistance R 21.Said the 3rd D_RX3 connects power supply circuits VCC33 through the 32 resistance R 32; And the emitter that connects the 6th triode Q6; The base stage of the 6th triode Q6 connects the 3rd DALI interface DALI3 through one the 33 resistance R 33, and the grounded collector of the 6th triode Q6, and said D_TX3 is connected with the base stage of one the 5th triode Q5 through the 30 resistance R 30; And the emitter of the 5th triode Q5 connects; Collector electrode connects the 3rd DALI interface DALI3, said the 30 resistance R 30 two ends parallel connection one the 30 capacitor C 30, and said the 3rd DALI interface DALI3 connects the 15V feeder ear through the 31 resistance R 31.Said the 4th D_RX4 connects power supply circuits VCC33 through the 42 resistance R 42; And the emitter that connects the 8th triode Q8; The base stage of the 8th triode Q8 connects the 4th DALI interface DALI4 through one the 43 resistance R 43, and the grounded collector of the 8th triode Q8, and said D_TX4 is connected with the base stage of one the 7th triode Q7 through the 40 resistance R 40; And the emitter of the 7th triode Q7 connects; Collector electrode connects the 4th DALI interface DALI4, said the 40 resistance R 40 two ends parallel connection one the 40 capacitor C 40, and said the 4th DALI interface DALI4 connects the 15V feeder ear through the 41 resistance R 41.The 3rd pin of U1 single-chip microcomputer is connected the back and connects the DE interface with second pin; The 4th pin is connected with power supply through the 5th resistance R 5, and the 4th pin connects the data transmission pin of serial communication; First pin is connected with power supply through one the 5th resistance R 5, and connects the Data Receiving pin of serial communication; The 6th pin connects a 485A through one first induction coil L1, and connects power supply through second resistance R 2, through the 6th capacitor C 6 ground connection; The 7th pin is through one second coil L2, and this second coil L2 one tunnel connects 485B, and another road connects the negative pole of one second voltage stabilizing didoe D2, the plus earth of this second voltage stabilizing didoe D2, and the 7th pin is through the 4th resistance R 4 and the 7th capacitor C 7 ground connection; The 8th pin connects power supply, and through one the 5th capacitor C, 5 ground connection; The 5th pin connects ground; 485A connects the positive pole of the first voltage stabilizing didoe D1, and the negative pole of this first voltage stabilizing didoe D1 connection 485B, and this 485A connects the negative pole of one the 3rd voltage stabilizing didoe D3, the plus earth of this voltage stabilizing didoe D3.First pin of BR1 is connected with L, and second pin of BR1 is connected with N, and the 3rd pin of BR1 is connected with the 15V power supply; The 4th pin ground connection, and parallelly connected one first capacitor C 1 and second capacitor C 2 between the 3rd pin of BR1 and the 4th pin, the input of VR1 is connected with the 15V power supply; Output is connected with power supply VCC, its earth terminal ground connection, and parallelly connected the 4th capacitor C 4 with earth terminal of power supply and the 3rd capacitor C 3; The input of VR2 is connected with power supply VCC; And earth terminal ground connection, its output is connected with peripheral power supply VCC3.3, and output is connected one the 8th capacitor C 8 with earth terminal.

The generation of the upper single-chip microcomputer DALI of Microchip PIC24F16KA102 signal can be adopted circuit as shown in Figure 3; Utilize the DALI signal that it can need the conversion of signals one-tenth of upper single-chip microcomputer; It can be the single-chip microcomputer signal with the DALI conversion of signals that slave computer transmits up simultaneously, realizes level conversion.When upper single-chip microcomputer produced high level signal, signal obtained a low level through the upper single-chip microcomputer level shifting circuit of anti-Fig. 3 phase device, thereby T2 is ended, the T1 conducting, and output DAL I interface end is a high level.Equally, when upper single-chip microcomputer produced low level signal, signal obtained a high level through inverter and makes the T2 conducting, and T1 turn-offs, and output DALI interface end is a low level, realized that the single-chip microcomputer conversion of signals becomes the DALI signal.Among Fig. 3, R7 is a current-limiting resistance, when the electric current on the DALI bus surpasses 250mA, and the T3 conducting, thus T1 is ended, close output interface.UD is provided is 15V to device to adopt DC-DC to boost, and then exporting high level is 13.8V, and low level is about 1V, meets the requirement of DALI agreement.When the DALI interface is received high level signal, produce low level output through voltage comparator, obtain high level signal through the inverter effect again and deliver to upper single-chip microcomputer; When interface is received low level signal, produce high level signal through comparator, obtain low level signal through reverser, deliver to upper single-chip microcomputer, realize that the DALI conversion of signals becomes the single-chip microcomputer signal.The data bus interface chip selects for use MAX1483 to transform TTL and the direct electrical characteristic of RS458.In the MAX1483 chip 96K is provided bus impedance, external circuit is provided with 3 P6SMB6.8CAS bi-directional voltage stabilizing pipes (V1-v3) and is used for bus TVS protection.If the P1 connector is share in RS485 bus and power supply supply.

As shown in Figure 3, it is the circuit diagram of the master control single-chip microcomputer DALI signal generation of the utility model.The RB4 port of said U1 single-chip microcomputer connects a comparator through a sign-changing amplifier; And connect one second resistance R 2 through one the 3rd resistance R 3; This second resistance R 2 is through the supply power voltage of one first resistance R, 1 connection 15V, and this second resistance R 2 connects a voltage-stabiliser tube, the other end ground connection of this voltage-stabiliser tube; Said comparator forward end is connected between said second resistance R 2 and the 3rd resistance R 3, and its input is as DALI first output port; The RC4 port of said U1 shell fragment machine connects one second amplifier, and this second amplifier connects second resistance R, 5, the five resistance R, 5 other end ground connection through the 4th resistance R 4; The first triode T1 collector electrode is connected in the power supply of 15V, and its emitter is connected in first output port of DALI, and its base stage is connected with its collector electrode through the 6th resistance R 6; The base stage of one second triode T2 is connected between said the 4th resistance R 4 and the 5th resistance R 5, its grounded emitter, and collector electrode connects the 15V power supply through the 6th resistance R 6; The collector electrode of one the 3rd triode T3 is connected with the base stage of the said first triode T1, its grounded emitter, and its base stage is as second output port of DALI, and is connected one the 7th resistance R 7 between the 3rd triode T3 base stage and emitter; Parallelly connected one the 8th resistance R 8 and first capacitor C 1 between DALI first output port and second output port.

The utility model controller is through realizing following function to 16 chip programmings of Microchip PIC24F08KA102, and to solve the technical problem of this series products at present: real-time clock provides calibrated real-time clock (RTCC) function.The front panel indicator light, show bus running status and each control mouthful current state.

Adopt the switch acquisition transport module installation of the utility model to become extremely simple; Can cooperate on-the-spot input equipment to use with any position at any environment; Need not to distinguish field apparatus switching value type; Can provide the precise time data to cooperate, with district office's acquired signal whether within effectual time.

The utility model per 8 on-the-spot input points in reality is implemented are selected 1 transport module for use, 128 modules of the maximum support of single bus.Bus is that standard RS485 interface can directly be connected with computer.

Claims (2)

1. four-way DALI top control module; It is characterized in that; It comprises a master control chip; This master control chip connects peripheral power supply circuits, pierce circuit, front panel indicator light led drive circuit, and the chip I driving interface of said master control chip is connected plug-in unit with the UART Universal Asynchronous Receiver Transmitter communication interface through first and connects an interface card, and said interface card connects the control circuit that plug-in unit is drawn said master control chip through the 3rd.

2. four-way DALI top control module according to claim 1; It is characterized in that; The RB4 port of said master control chip connects a comparator through a sign-changing amplifier, and connects one second resistance through one the 3rd resistance, and this second resistance connects the supply power voltage of 15V through one first resistance; This second resistance connects a voltage-stabiliser tube, the other end ground connection of this voltage-stabiliser tube; Said comparator forward end is connected between said second resistance and the 3rd resistance, and its input is as DALI first output port; The RC4 port of said master control chip connects one second amplifier, and this second amplifier connects second resistance through the 4th resistance, the 5th resistance other end ground connection; First transistor collector is connected in the power supply of 15V, and its emitter is connected in first output port of DALI, and its base stage is connected with its collector electrode through the 6th resistance; The base stage of one second triode is connected between said the 4th resistance and the 5th resistance, its grounded emitter, and collector electrode connects the 15V power supply through the 6th resistance; The collector electrode of one the 3rd triode is connected with the base stage of said first triode, its grounded emitter, and its base stage is as second output port of DALI, and is connected one the 7th resistance between the 3rd transistor base and emitter; Parallelly connected one the 8th resistance and first electric capacity between DALI first output port and second output port.

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