CN1492199A - Digital intelligent flow distribution controller - Google Patents
Digital intelligent flow distribution controller Download PDFInfo
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- CN1492199A CN1492199A CNA021375801A CN02137580A CN1492199A CN 1492199 A CN1492199 A CN 1492199A CN A021375801 A CNA021375801 A CN A021375801A CN 02137580 A CN02137580 A CN 02137580A CN 1492199 A CN1492199 A CN 1492199A
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Abstract
The digital intelligent flow distribution controller is connected to indoor cabinet type air conditioner controller, indoor wall air conditioner controllers, and AC frequency varying outdoor unit controller. It consists of digital signal processor, connected switch power source circuit, operation state display circuit, test functional circuit, communication circuit, communicating control panel circuit, solenoid valve driving circuit, electronic expansion driving circuit and temperature detection circuit. The communication circuit is connected to the indoor wall air conditioners, the indoor cabinet type air conditioner and the AC frequency varying outdoor unit. The present invention completes the flow distribution, communication, compressor control, oil return control and other key jobs, controls automatically the electronic expansion valve, homogenizes flow and raises system efficiency.
Description
Technical field
The present invention relates to the flow distribution controller in a kind of air-conditioning system, relate in particular to a kind of digital intelligent flow distribution controller that is used for dragging the high performance-price ratio of many small central air conditionings system.
Background technology
Prior art is used for the small central air conditioning of many indoor sets of an off-premises station band, mainly contains three kinds of modes:
A kind of is that electric expansion valve is installed in off-premises station, and flow distribution controller and compressor drive circuit and other system, control circuit mix; Its defective of the control circuit of this mode is that the control circuit configuration is dumb, has increased the inconvenience of installing, and, because cold-producing medium after the throttling of off-premises station electric expansion valve, needs the pipeline through tens meters to send in indoor, cause the cold-producing medium gasification easily, influence operational effect;
Another kind is that electric expansion valve is installed in indoor set, and the defective of this mode is to make the indoor machine structure complexity, the increase noise;
Another is that flow distribution device of design and correspondent control circuits separately are installed, its advantage be flexible for installation, can prevent that refrigerant tubing after the throttling is long and the cold-producing medium gasification that causes, and reduce refrigerant tubing quantity, reduce mounting cost, and reduced the danger that cold-producing medium leaks; But the refrigerant distributor complex structure of this mode generally is external import, its not only price comparison costliness, and be difficult in large-scale promotion on the market.
Summary of the invention
The object of the present invention is to provide a kind of digital intelligent flow distribution controller of absolute construction, it can be connected with an off-premises station, connect with many indoor sets, and can regulate the open degree of electric expansion valve automatically according to the operating condition of indoor and outdoor machine, regulate refrigerant flow, make every indoor set assignment of traffic even, improve overall system efficiency.
The object of the present invention is achieved like this:
A kind of digital intelligent flow distribution controller that is used for dragging many small central air conditionings system, this digital intelligent flow distribution controller is connected with 50 indoor cabinet machine controllers, the indoor wall mounted machine controller of 25A, the indoor wall mounted machine controller of 25B, AC frequency conversion outdoor controller, is characterized in:
Described intelligent flow distribution controller comprises, one digital signal processor, the switching power circuit that is connected with digital signal processor, running status display circuit, test function circuit, communicating circuit, centralized control panel communicating circuit, driving circuit for electromagnetic valve, electronic expansion valve-driving circuit, temperature sensing circuit; Wherein, described communicating circuit is connected with the indoor wall mounted machine controller of 25A, the indoor wall mounted machine controller of 25B, 50 indoor cabinet machine controllers, AC frequency conversion outdoor controller.
In above-mentioned digital intelligent flow distribution controller, wherein, what described digital signal processor adopted is that model is the TMS320F240 IC chip, is used to control the operation of each parts of intelligent flow dispenser device.
In above-mentioned digital intelligent flow distribution controller, wherein, described switching power circuit comprises, by four diode D101, D102, D103, the current rectifying and wave filtering circuit that D104 forms, by optocoupler Q101, Zener diode Z1, the sample circuit that resistance R 108 and R109 form, by resistance R 111, capacitor C 103, diode D105 forms clamps down on circuit, the filter circuit of forming by capacitor C 109 and resistance R 107, by diode D107, capacitor C 105 and C106, resistance R 3S forms a half-wave current rectifying and wave filtering circuit, by diode D108, capacitor C 107 and C108, another half-wave current rectifying and wave filtering circuit of resistance R 101S is by diode D109, capacitor C 12 and C6, resistance R 110 right half-wave current rectifying and wave filtering circuits.
In above-mentioned digital intelligent flow distribution controller, wherein, described test function circuit comprises, by bleeder circuit, the DIP switch SW 1 that resistance R 37, R38, R40 form, its two ends respectively with DIP switch SW 1 and the filter circuit of forming by capacitor C 8 that is connected with digital signal processor.
In above-mentioned digital intelligent flow distribution controller, wherein, described communicating circuit comprises, the communicating circuit that the communicating circuit I that is connected with 50 indoor cabinet machine controllers, the communicating circuit II that is connected with the indoor wall mounted machine controller of 25A, the communicating circuit III that is connected with the indoor wall mounted machine controller of 25B, the communicating circuit IV that is connected with the AC frequency conversion outdoor controller connect;
Each communicating circuit comprises, the decompression voltage regulator of forming by resistance, electric capacity, voltage-stabiliser tube, the coupling circuit of forming by LMDS Light Coupled Device and resistance, the on-off circuit of forming by transistor and resistance, by the signal path circuitry that diode, LMDS Light Coupled Device and resistance capacitance are formed, this signal path circuitry is connected with digital signal processor.
In above-mentioned digital intelligent flow distribution controller, wherein, described centralized control panel communicating circuit by the phototriode of optocoupler IC3 and IC2 as the communication receiving port, by the phototriode of optocoupler IC1, IC4 as communication receiving port optocoupler; Described optocoupler IC3 is connected with digital signal processor with IC4 with IC2, IC1.
In above-mentioned digital intelligent flow distribution controller, wherein, described electronic expansion valve-driving circuit is made up of drive circuit and protecting against shock circuit, this drive circuit is that the anti-phase drive integrated circult chip of MC1413 constitutes by the model that is connected with digital signal processor, and this protecting against shock circuit constitutes multiple tube by four diodes that are connected with anti-phase drive integrated circult chip with two transistors that are connected with digital signal processor and formed.
Digital intelligent flow distribution controller of the present invention makes it compared with prior art owing to adopted above-mentioned technical scheme, has tangible advantage and good effect.The present invention is owing to can be connected with an off-premises station, connect with many indoor sets, thereby the function of control system of the present invention is greatly increased, can finish magnetic valve with the communication of indoor set, off-premises station, the temperature that detects intelligent flow distributor thermistor, driving intelligent flow distributor; And can regulate the open degree of electric expansion valve according to the operating condition of indoor and outdoor machine automatically, regulate refrigerant flow, make every indoor set assignment of traffic even, improve overall system efficiency; It can make the small central air conditioning air-conditioning system have the ability of fast-refrigerating/heat, and has comfortableness, characteristics such as energy-conservation, control flexibly, perfect performance, simple and compact for structure, and moderate, provide wage-earners to use; Thereby adopt the smart allocation device of Digital Control to advance multi-evaporator inverter air conditioner market, thereby improve people's living environment.
Description of drawings
By the description of following accompanying drawing to digital intelligent flow distribution controller of the present invention, can further understand purpose of the present invention, specific structural features and advantage.Wherein, accompanying drawing is:
Fig. 1 is the block diagram according to the digital intelligent flow distribution controller of the present invention's proposition;
Fig. 2 is the switching power circuit electrical schematic diagram in the digital intelligent flow distribution controller of the present invention;
Fig. 3 is a test function circuit electrical schematic diagram in the digital intelligent flow distribution controller of the present invention;
Fig. 4 is a multi computer communication circuit electrical schematic diagram in the digital intelligent flow distribution controller of the present invention;
Fig. 5 is a centralized control panel communicating circuit schematic diagram in the digital intelligent flow distribution controller of the present invention;
Fig. 6 is an electronic expansion valve-driving circuit electrical schematic diagram in the digital intelligent flow distribution controller of the present invention;
Fig. 7 is a thermistor temp testing circuit electrical schematic diagram in the digital intelligent flow distribution controller of the present invention.
The specific embodiment
See also shown in Figure 1ly, this is the block diagram of the digital intelligent flow distribution controller that proposes of the present invention.The present invention a kind of one drags the digital intelligent flow distribution controller of the high performance-price ratio of using in many small central air conditionings system, and this digital intelligent flow distribution controller 1 is connected with AC frequency conversion outdoor controller 5 with 50 indoor cabinet machine controllers 2, the indoor wall mounted machine controller 3 of 25A, the indoor wall mounted machine controller 4 of 25B; Described intelligent flow distribution controller 1 comprises, a digital signal processor 11, and what be connected with digital signal processor 11 has with lower member:
Switching power circuit 12 is in order to provide the system works power supply;
Running status display circuit 13, it drags the operation duty of three small central air conditioning devices and fault-signal to reflect in the mode that shows with one;
Communicating circuit 15, in the present embodiment, communicating circuit 15 comprises, the communicating circuit I151 that is connected with 50 indoor cabinet machine controllers 2, the communicating circuit II152 that is connected with the indoor wall mounted machine controller 3 of 25A, the communicating circuit III153 that is connected with the indoor wall mounted machine controller 4 of 25B, the communicating circuit IV154 that is connected with AC frequency conversion outdoor controller 5, thus realize the indoor and outdoor controller is carried out communication;
Centralized control panel communicating circuit 16 carries out communication in order to control panel is operated;
Driving circuit for electromagnetic valve 17 is in order to drive the magnetic valve in the intelligent flow distribution controller device
Electronic expansion valve-driving circuit 18 is in order to drive the magnetic valve in the intelligent flow distribution controller device;
In the present invention, what digital signal processor 11 adopted is DSP (Digital SignalProcessor digital signal processor), be used to control the operation of each parts of intelligent flow dispenser device, carry out various computings, handle various data, by various algorithms and control law, coordinate the air-conditioning system operate as normal, the outdoor controller control chip is a carrier of realizing various control strategies and algorithm, in the present embodiment, reliable in order to guarantee the intelligent flow dispenser device, the TSM320F24X series of Texas Instrucments and the dsp chip in the new TMS320F240X series of releasing have been selected in operation efficiently, flow distribution controller control chip for use; This DSP has very high bus frequency: 40Mhz, and fast operation can carry out various data fast and handle.Inside has unique pipeline organization, its program bus separates mutually with data/address bus, can operate the program space and data space simultaneously, this superior bus structures have also further improved data processing speed, can adapt to the quick requirement of real time system control.
Please in conjunction with Fig. 1 referring to shown in Figure 2, Fig. 2 is the switching power circuit electrical schematic diagram in the digital intelligent flow distribution controller of the present invention.Described switching power circuit 12 comprises, by four diode D101, D102, D103, the current rectifying and wave filtering circuit that D104 forms, by optocoupler Q101, Zener diode Z1, the sample circuit that resistance R 108 and R109 form, by resistance R 111, capacitor C 103, diode D105 forms clamps down on circuit, the filter circuit of forming by capacitor C 109 and resistance R 107, by diode D107, capacitor C 105 and C106, resistance R 100 is formed a half-wave current rectifying and wave filtering circuit, by diode D108, capacitor C 107 and C108, another half-wave current rectifying and wave filtering circuit of resistance R 101S is by diode D109, capacitor C 12 and C6, resistance R 110 right half-wave current rectifying and wave filtering circuits.
The operation principle of switch power module is as follows: the DC voltage that the 220V electric main obtains through four diode D101, D102, D103, D104 rectifying and wave-filtering, it provides primary winding operating voltage, after the Switching Power Supply starting of oscillation, the switch power supply secondary output voltage is by optocoupler Q101, Zener diode Z1 direct sample, magnitude of voltage is by the pressure drop decision of Zener diode and optocoupler and resistance R 108, adjust the value of transformer turn ratio and Zener diode, can adjust secondary output voltage.Resistance R 111, capacitor C 103, diode D105 are used to clamp down on the forward position voltage that is produced by transformer leakage inductance.Capacitor C 109 and resistance R 107 filter the MOSFET control utmost point and drive the charging current spike, and decision restarts frequency automatically.The switching mode power supply transformer secondary coil just can provide required voltage.Pass through the halfwave rectifier filter circuit at 6,7 pin output voltages: diode D107, capacitor C 105 and C106, resistance R 100 output VCC voltages, voltage swing is 12V, it provides centralized control panel as communication and working power; 9,10 pin output voltages process halfwave rectifier filter circuit: diode D108, capacitor C 107 and C108, resistance R 101 output+12V voltages, it provides the electric expansion valve driving power; 8,9 pin output voltages process halfwave rectifier filter circuit: diode D109, capacitor C 12 and C6, resistance R 110 output voltages, voltage swing is 8V, again+and 5V mu balanced circuit 7805, produce+5 volts of JTAG of system mouth working powers.Carry out the voltage adjustment through TPS76333D again, produce 3.3V voltage, as the working power of DSP.System on Chip/SoC power supply and forceful electric power communicating circuit are isolated like this, have increased system's antijamming capability.
The advantage of switching power circuit 12 is: adopt Switching Power Supply, and do not use linear transformer, reduced the volume of controller, power supply precision and stability have been improved, increased the scope of application of power supply, power range can be by 175 to 265V, and in the power-supply fluctuation scope than broad, intelligent flow distribution controller can both operate as normal.
Please in conjunction with Fig. 1 referring to shown in Figure 3, Fig. 3 is a test function circuit electrical schematic diagram in the digital intelligent flow distribution controller of the present invention.The setting of described test function circuit 14 is to design and develop for convenience and the test of product, and controller has designed the test function circuit.Test function circuit 14 comprises, by bleeder circuit, the DIP switch SW 1 that resistance R 37, R38, R40 form, its two ends respectively with DIP switch SW 1 and the filter circuit of forming by capacitor C 8 that is connected with digital signal processor 11.
The operation principle of test function circuit 14 is: be made up of divider resistance R37, R38, R40 and DIP switch SW 1.+ 3.3V is by after the divider resistance dividing potential drop, by DIP switching gate power channel; For the due to voltage spikes that prevents that DIP switching manipulation kind from causing, the voltage signal behind the gating is connected to the ADCIN01 pin then through the C3 capacitor filtering; Carry out voltage sample by TMS320F2402, aanalogvoltage is converted to data signal; The data that final system obtains according to sampling are carried out corresponding task; Gating 1,2 pin: normal control; Gating 3 pin: full working condition measurement operation, gating 4 pin: the operation of half working condition measurement.
Please in conjunction with Fig. 1 referring to shown in Figure 4, Fig. 4 is a multi computer communication circuit electrical schematic diagram in the digital intelligent flow distribution controller of the present invention.Communicating circuit 15 among the present invention comprises, the communicating circuit I151 that is connected with 50 indoor cabinet machine controllers 2, the communicating circuit II152 that is connected with the indoor wall mounted machine controller 3 of 25A, with the indoor wall mounted machine controller 4 of 25B communicating circuit III153 that is connected and the communicating circuit IV154 that is connected with AC frequency conversion outdoor controller 5; Communicating circuit II, II, III, IV include with the lower part and form, promptly, the decompression voltage regulator of forming by resistance, electric capacity, voltage-stabiliser tube, the coupling circuit of forming by LMDS Light Coupled Device and resistance, the on-off circuit of forming by transistor and resistance, by the signal path circuitry that diode, LMDS Light Coupled Device and resistance capacitance are formed, this signal path circuitry is connected with DSP digital signal processor 11.
As can be known from Fig. 1, a key function of digital intelligent assignment of traffic apparatus of the present invention is exactly communication, and it must be set up and each communication relation: intelligent flow distributor DD indoor set, intelligent flow distributor DD off-premises station.The control chip of intelligent flow distributor must be understood the duty of each parts of system and user's instruction, could operate as normal.
The operation principle of communicating circuit 15 is, because the smart allocation device is longer to the communication distance of indoor set and off-premises station, if directly connection is coupled together, two leads can be parallel with L, the N of power supply, can enter many logical interference sources, the electromagnetic interference on the power line can influence the correct transmission of signal.Therefore consider to adopt the method (circuit theory diagrams of forceful electric power communication as shown in Figure 6) of light-coupled isolation in the present embodiment.
Now, represented with Fig. 4 top, be example explanation communicating circuit operation principle promptly with the communicating circuit III153 that is connected with the indoor wall mounted machine controller 4 of 25B.Three-way communication is adopted in communication, two power lines, and double as order wire wherein, other adds an order wire.220 AC powers form the DC voltage of 24V through R57 step-down, ZD4 current stabilization, C32 filtering.Other communicating circuit also adopts identical principle to obtain each communication power supply.Communication power supply adopts 24V, helps eliminating than higher power supply like this and disturbs.Electric power couple asynchronous half-duplex operation mode is adopted in indoor and outdoor communication, adopts current drives, utilizes the 5V isolated from power of optocoupler and control circuit.The mode of electric current loop can effectively be filtered the accent voltage glitch.Isolated from power has guaranteed that control circuit is not disturbed by external signal.
The break-make of smart allocation device TXD foot control system triode Q4, thereby the light emitting diode break-make of control optocoupler OT7, the light emitting diode break-make of the data-signal control optocoupler OT8 that sends over from 25B, then transfer of data to the RXD pin.Other signal is connected to the input pin of smart allocation device respectively by optocoupler: the off-premises station signal is connected to that IOPC4,50 indoor set signals are connected to IOPC3, the 25A indoor set is connected to IOPC2.The transmitting terminal of communicating circuit links together, and received signal is connected respectively to the control chip end.
Adopt the technology of this communication modes key must guarantee to have only on the electric current loop signal transmitting exactly, that is to say, every machine takes turns and the communication of intelligent flow dispenser device, after a circulation, the intelligent flow dispenser device can be understood intrasystem all working state signals, then can be according to the action of indoor set and off-premises station in the signal management system that receives; When a certain machine communication breaks down, other communicating circuit of intelligent flow dispenser device can continue operate as normal, and each indoor set can receive the machine address that breaks down, and fault shows that the LED lamp sends corresponding warning, works with the convenient for maintaining personnel.
Please in conjunction with Fig. 1 referring to shown in Figure 5, Fig. 5 is a centralized control panel communicating circuit schematic diagram in the digital intelligent flow distribution controller of the present invention.The setting of described centralized control panel communicating circuit 16 as long as make it to connect centralized control panel 16, just can be controlled the state of all indoor sets, makes that the user's is easy to operate.Centralized control panel communicating circuit 16 by the phototriode of optocoupler IC3 and IC2 as the communication receiving port, by the phototriode of optocoupler IC1, IC4 as communication receiving port optocoupler; Described optocoupler IC3 is connected with digital signal processor 11 with IC4 with IC2, IC1.
The operation principle of centralized control panel communicating circuit 16 is, because the intelligent flow distributor is longer to the communication distance of panel, if directly connection is coupled together, can enter many logical interference sources, and the electromagnetic interference on the power line can influence the correct transmission of signal.Therefore consider to adopt the method for light-coupled isolation.(circuit theory diagrams of communication are as shown in Figure 4) adopts three-way communication, two power lines, and double as order wire wherein, other adds an order wire.Communication power supply adopts 12V, is provided by switching power circuit, helps eliminating than higher power supply and disturbs.Electric power couple asynchronous half-duplex operation mode is adopted in indoor and outdoor communication, adopts current drives, utilizes the 5V isolated from power of optocoupler and control circuit; The light emitting diode break-make of indoor set control optocoupler IC3, the light emitting diode break-make of off-premises station control optocoupler IC2 sends mouth as communication data; The phototriode of IC1, IC4 is as the communication receiving port; The mode of electric current loop can effectively be filtered the accent voltage glitch.
Please in conjunction with Fig. 1 referring to shown in Figure 6, Fig. 6 is an electronic expansion valve-driving circuit electrical schematic diagram in the digital intelligent flow distribution controller of the present invention.Described electronic expansion valve-driving circuit 18 is made up of drive circuit and protecting against shock circuit, this drive circuit is that the anti-phase drive integrated circult chip of MC1413 constitutes by the model that is connected with digital signal processor 11, and this protecting against shock circuit constitutes multiple tube by four diodes that are connected with anti-phase drive integrated circult chip with two transistors that are connected with digital signal processor 11 and formed.
In the present embodiment, because one drags three controller air-conditioning cold flow mobility scales bigger: 1000～10000 watts, adopt capillary-compensated, demand that can't the adaptive system wide variation, therefore refrigerant flow control adopts the mode of electric expansion valve throttling, the refrigerant flow of regulating system makes system effectiveness be controlled at optimum state on a large scale.
Driving circuit for electromagnetic valve mainly by the anti-phase drive integrated circult of MC1413, prevent that reverse impact diode, NPN, PNP triode from forming.Because system needs three electric expansion valves, each electric expansion valve has 2 pairs of coils in this design, a power supply input.If adopt the method for control in real time, need many control I/O mouths.Therefore in system, adopted the method for timesharing control.Utilize the power input of I/O mouth control electric expansion valve, the corresponding coil control end of 3 electronic valves share a control I/O.So just saved the I/O mouth of economizing control chip.The drive current of electromagnetic valve coil is bigger in this circuit.Therefore power supply control adopts 2 NPN, PNP triodes to be combined into multiple tube, increases current driving ability.Chip output pin PA3 is connected to resistance R 30, and R30 provides triode Q6 as base drive, and the colelctor electrode of Q6 connects R47.Flow out direction at coil current and add the MC1413 driving chip, increased control end and drawn current capacity.Before driving port CN5, added diode D30, D31, D32, the D33 that prevents that current reversal from impacting.By the coil of terminals CN5 connection electric expansion valve, just can control the electric expansion valve open degree.
The control of the open degree of electric expansion valve is the key technology of smart allocation device: it adopts minimum degree of superheat control, and air-conditioning system is operated in safety, heat exchange state efficiently, has improved the efficient of system on a large scale.
Please in conjunction with Fig. 1 referring to shown in Figure 7, Fig. 7 is a thermistor temp testing circuit electrical schematic diagram in the digital intelligent flow distribution controller of the present invention.The reason of the setting of the temperature detecting function circuit among the present invention is, for the open degree of correct control electric expansion valve, controller must in time adopt correct tracheae and liquid pipe temperature, and for this reason, temperature adopts mainly to be made up of six road pressure filter circuits:
50 machine tracheae temperature thermistors and R7 form bleeder circuit, dividing potential drop and after signal through C14 filtering, be connected to the ADCIN02 pin then;
50 machine liquid pipe temperature thermistors and R8 form bleeder circuit, dividing potential drop and after signal through C15 filtering, be connected to the ADCIN03 pin then;
25A machine tracheae temperature thermistor and R9 form bleeder circuit, dividing potential drop and after signal through C16 filtering, be connected to the ADCIN04 pin then;
25B machine tracheae temperature thermistor and R10 form bleeder circuit, dividing potential drop and after signal through C17 filtering, be connected to the ADCIN05 pin then;
25B machine tracheae temperature thermistor and R11 form bleeder circuit, dividing potential drop and after signal through C18 filtering, be connected to the ADCIN06 pin then;
25B machine tracheae temperature thermistor and R12 form bleeder circuit, dividing potential drop and after signal through C19 filtering, be connected to the ADCIN07 pin then.
Carry out voltage sample by TMS320F2402, aanalogvoltage is converted to data signal.Control chip carries out software filtering to the temperature signal that samples, and rejects and disturbs, and carries out non-linear adjusting again, obtains needed temperature value.
Digital direct-current variable frequency air conditioner controller of the present invention has following good effect owing to adopted technique scheme:
1, aperture that can the sub-expansion valve of automatic control electric realizes that the system refrigerant flow dynamics distributes, and makes Working state of system is stable, efficient improves.
2, can be according to the duty of indoor and outdoor machine, the control compressor rotary speed according to operating mode, is regulated and is pressed Contracting machine power output improves system effectiveness.
3, has preferably power circuit design. The present invention has designed switch power module, with linear voltage stabilization Power supply is compared, and has that power consumption is little, efficient is high, volume is little, in light weight, characteristics such as voltage stabilized range is wide.
4, reliable many communication modes. The present invention has designed smart allocation device and off-premises station and a plurality of indoor set Communication, get rid of interference source, improved data exchange.
5, designed and developed centralized control panel, user-friendly.
6, solve an oil return problem of dragging many air-conditionings, system effectiveness is provided. In sum, number of the present invention The word intelligent flow distribution controller can be finished assignment of traffic, communication, the compressor of multi-split air conditioner The key issues such as rotating speed control, oil return control, adopt the intelligent flow distributor can develop the cost performance height, Easy for installation one drags changeable frequency air-conditioning system, promotes the air-conditioning market development, uplift the people's living standard, Therefore very practical.
Claims (7)
1. digital intelligent flow distribution controller that is used for dragging many small central air conditionings system, this digital intelligent flow distribution controller (1) is connected with 50 indoor cabinet machine controllers (2), the indoor wall mounted machine controller of 25A (3), the indoor wall mounted machine controller of 25B (4), AC frequency conversion outdoor controller (5), it is characterized in that:
Described intelligent flow distribution controller (1) comprises, one digital signal processor (11), the switching power circuit (12) that is connected with digital signal processor (11), running status display circuit (13), test function circuit (14), communicating circuit (15), centralized control panel communicating circuit (16), driving circuit for electromagnetic valve (17), electronic expansion valve-driving circuit (18), temperature sensing circuit (19); Wherein, described communicating circuit (15) is connected with the indoor wall mounted machine controller of 25A (3), the indoor wall mounted machine controller of 25B (4), 50 indoor cabinet machine controllers (2), AC frequency conversion outdoor controller (5).
2. digital intelligent flow distribution controller as claimed in claim 1 is characterized in that: what described digital signal processor (11) adopted is that model is the TMS320F240 IC chip, is used to control the operation of each parts of intelligent flow dispenser device.
3. digital intelligent flow distribution controller as claimed in claim 1, it is characterized in that: described switching power circuit (12) comprises, by four diode D101, D102, D103, the current rectifying and wave filtering circuit that D104 forms, by optocoupler Q101, Zener diode Z1, the sample circuit that resistance R 108 and R109 form, by resistance R 111, capacitor C 103, diode D105 forms clamps down on circuit, the filter circuit of forming by capacitor C 109 and resistance R 107, by diode D107, capacitor C 105 and C106, resistance R 3S forms a half-wave current rectifying and wave filtering circuit, by diode D108, capacitor C 107 and C108, another half-wave current rectifying and wave filtering circuit of resistance R 101S is by diode D109, capacitor C 12 and C6, resistance R 110 right half-wave current rectifying and wave filtering circuits.
4. digital intelligent flow distribution controller as claimed in claim 1, it is characterized in that: described test function circuit (14) comprises, by bleeder circuit, the DIP switch SW 1 that resistance R 37, R38, R40 form, its two ends respectively with DIP switch SW 1 and the filter circuit of forming by capacitor C 8 that is connected with digital signal processor (11).
5. digital intelligent flow distribution controller as claimed in claim 1, it is characterized in that: described communicating circuit (15) comprises, the communicating circuit (154) that the communicating circuit I (151) that is connected with 50 indoor cabinet machine controllers (2), the communicating circuit II (152) that is connected with the indoor wall mounted machine controller of 25A (3), the communicating circuit III (153) that is connected with the indoor wall mounted machine controller of 25B (4), the communicating circuit IV that is connected with AC frequency conversion outdoor controller (5) connect;
Each communicating circuit comprises, the decompression voltage regulator of forming by resistance, electric capacity, voltage-stabiliser tube, the coupling circuit of forming by LMDS Light Coupled Device and resistance, the on-off circuit of forming by transistor and resistance, by the signal path circuitry that diode, LMDS Light Coupled Device and resistance capacitance are formed, this signal path circuitry is connected with digital signal processor (11).
6. digital intelligent flow distribution controller as claimed in claim 1, it is characterized in that: described centralized control panel communicating circuit (16) by the phototriode of optocoupler IC3 and IC2 as the communication receiving port, by the phototriode of optocoupler IC1, IC4 as communication receiving port optocoupler; Described optocoupler IC3 is connected with digital signal processor (11) with IC4 with IC2, IC1.
7. digital intelligent flow distribution controller as claimed in claim 1, it is characterized in that: described electronic expansion valve-driving circuit (18) is made up of drive circuit and protecting against shock circuit, this drive circuit is that the anti-phase drive integrated circult chip of MC1413 constitutes by the model that is connected with digital signal processor (11), and this protecting against shock circuit constitutes multiple tube by four diodes that are connected with anti-phase drive integrated circult chip with two transistors that are connected with digital signal processor (11) and formed.
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| CNB021375801A CN100339658C (en) | 2002-10-23 | 2002-10-23 | Digital intelligent flow distribution controller |
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| CNB021375801A CN100339658C (en) | 2002-10-23 | 2002-10-23 | Digital intelligent flow distribution controller |
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| CN101749832B (en) * | 2010-01-15 | 2012-08-22 | 广东欧科空调制冷有限公司 | Central air-conditioning controller |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3290306B2 (en) * | 1994-07-14 | 2002-06-10 | 東芝キヤリア株式会社 | Air conditioner |
| JP3326999B2 (en) * | 1994-10-21 | 2002-09-24 | 松下電器産業株式会社 | Multi-room air conditioner |
| JPH09101055A (en) * | 1995-08-02 | 1997-04-15 | Hitachi Ltd | Branching unit for air conditioner and air conditioner using it |
| JPH11118229A (en) * | 1997-10-15 | 1999-04-30 | Toshiba Corp | Controller of air conditioner |
| JP2001091026A (en) * | 1999-09-27 | 2001-04-06 | Matsushita Electric Ind Co Ltd | Air conditioner |
| CN2503393Y (en) * | 2001-10-31 | 2002-07-31 | 上海日立电器有限公司 | Intelligent distributor for refrigerant flow |
-
2002
- 2002-10-23 CN CNB021375801A patent/CN100339658C/en not_active Expired - Lifetime
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