CN1057828C - Controller of air conditioner - Google Patents
Controller of air conditioner Download PDFInfo
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- CN1057828C CN1057828C CN92114951A CN92114951A CN1057828C CN 1057828 C CN1057828 C CN 1057828C CN 92114951 A CN92114951 A CN 92114951A CN 92114951 A CN92114951 A CN 92114951A CN 1057828 C CN1057828 C CN 1057828C
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- data
- indoor
- microcomputer
- air conditioner
- stored
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Abstract
To facilitate the setting and alteration of characteristic data even for different air conditioners and generalize a microcomputer substrate by employing an auxiliary ROM in which there are stored inherent data indicative of functions of air conditioners and capabilities of a compressor and a fan being mounted. In a separate type air conditioner where there are separated an indoor unit and an outdoor unit, there are provided in each unit a ROM in which programs for controlling the operations of instruments mounted on the unit, a RAM in which various data are stored, and microcomputers 14, 41 each including a CPU for execution of the program accomodated in the same package. There are further provided auxiliary ROMs 30, 50 in which there are stored data concerning the operations of the instruments in each unit and data inherent to each unit. The microcomputers 14, 41 control the operation of the air conditioner based upon various data and the inherent data. Accordingly, functions of the air conditioner are altered by changing the contents stored in the auxiliary ROMs 30, 50.
Description
The present invention relates to the control device of air conditioner.
In recent years, office, family or the vehicles etc. have generally used adjustment indoor temperature, humidity and ventilation, make the air conditioner of amenity.With home-use air conditioner is that so-called air-conditioning is an example, is provided with outside the sensing chamber and indoor air temperature, and the wind-warm syndrome and the air quantity of control blow out air make room temperature reach temperature required as early as possible; Control running ability, make it to obtain meeting the refrigeration/heating function of customer requirements; Adjust the blow-off direction of hot and cold wind; Perhaps blow out all functions such as cold and hot wind where necessary immediately,, develop machine with various difference in functionalitys according to user's requirement.
The control of air conditioner adopts microcomputer to realize usually, and corresponding different machine is made the dedicated microcomputer (for example the spy opens flat 3-91664 number) of the data (hereinafter referred to as inherent data) of the function, ability or the characteristic that have preestablished relevant machine separately.But, variation along with user's request, it is more and more that machine also becomes, even with the domestic air conditioning is example, present circumstances is that the machine of selling has reached tens of kinds, the dedicated microcomputer that will adapt to different machines and ability for each machine manufacturing, this is all unfavorable to design and manufacturing, also is the reason that causes cost to rise.
In view of above situation, the objective of the invention is to make the performance data of different air conditioner machines to be easy to set and change, make the microcomputer substrate can generalization, to reduce cost.
Characteristics of the present invention are, have with refrigeration filling pipeline connection compressor, outdoor heat exchanger, the freeze cycle that decompressor, indoor side heat exchanger form, with machines such as control compressor, pressure fan on the control device of the indoor above-mentioned machine of control that the air conditioner that constitutes through the air of indoor side heat exchanger temperature adjustment is provided that is conditioned, this air conditioner is separated into outdoor location that has compressor and outdoor heat exchanger at least and the indoor set two large divisions who has indoor side heat exchanger at least.Be contained on the same chip of outdoor location side microcomputer at the CPU of the RAM that has main ROM that storage control compressor etc. is contained in the machine action program thereby on the outdoor location, the various data of storage on the outdoor location, performing a programme and have the auxiliary ROM of outdoor location side of outdoor location inherent datas such as storing compressor capacity, outdoor heat exchanger capacity, outdoor location side microcomputer is according to the action of various data and inherent data control machine; Indoor set is stored the program master ROM of institute's installation device action on the indoor sets such as the control pressure fan is arranged, storage has corresponding with operation and the data of setting and the RAM of various data, the CPU of performing a programme is contained on the same chip of indoor set side microcomputer and the inboard capacity of heat exchanger of storeroom, the indoor set side of indoor set inherent datas such as pressure fan air quantity variable amplitude is assisted ROM, the microcomputer of indoor set side is according to the action of various data and inherent data control machine, the microcomputer of outdoor location side is connected by holding wire with the microcomputer of indoor set side, can transmit and receive data mutually, these two devices transmit and receive data and control signal is the feature that air conditioner turns round.
If with such control device, use the auxiliary ROM of the inherent data of abilities such as storing the expression function that air conditioner had and institute's dress compressor pressure fan, just can correspondingly control the function that air conditioner has, the ability of compressor and pressure fan.
That is to say,,, just can use same control device as long as change auxiliary ROM even the function of air conditioner is different with the capacity of the compressor of being adorned, pressure fan etc.
Below in conjunction with the description of drawings embodiments of the invention.In the accompanying drawing:
Fig. 1 is the wiring block diagram of the control loop of explanation air conditioner of the present invention;
Fig. 2 is the electrical wiring state diagram of the control loop of expression indoor set of this air conditioner and outdoor location;
Fig. 3 is the entity wiring diagram of a control loop part shown in Figure 1;
Fig. 4 is the entity wiring diagram of control loop remainder shown in Figure 1;
Fig. 5 is that the timing diagram of the time of inherent data is read in expression from the auxiliary ROM that the present invention uses.
Fig. 6 is the flow chart that expression microprocessor shown in Figure 3 is mainly operated;
Fig. 7 is the entity wiring diagram of a control loop part shown in Figure 1;
Fig. 8 is the entity wiring diagram of a control loop part shown in Figure 1;
All number in the figure are represented:
1: indoor set
2: outdoor location
11: rectification circuit
12: the motor power circuit
13: the control power supply circuit
14,41: microcomputer
20: temperature sensor
21: heat-exchanger temperature sensor
22: humidity sensor
30,50: auxiliary ROM
35: voltage-multiplying circuit
38: motor drive circuit
39: the serial loop
40: current detection circuit
This air conditioner is formed by being configured in indoor device (calling " indoor set " in the following text) 1 and being configured in outdoor device (calling " outdoor location " in the following text) 2 as shown in Figure 2, and two devices 1 and 2 connect by power line 100 and holding wire 200.
In addition, indoor side heat exchanger 1a is housed on indoor set 1, outdoor heat exchanger 2a is housed on outdoor location 2, compressor 2b, decompressor (electric expansion valve) 2c and cross valve 2d, these inscapes couple together by refrigeration filling pipeline 300, constitute freeze cycle.
Fig. 1 represents the control loop of air conditioner of the present invention, chain-dotted line has been drawn by figure central authorities, its left side loop feature is the control loop of being located in the indoor set 1, and its right side loop feature is the control loop of being located in the outdoor location 2, is connected with order wire 200 with power line shown in Figure 2 100.
In addition, in the control loop of indoor set 1, be provided with 3 pairs by plug 10 provide to exchanging the commutating circuit 11 that 100V carries out rectification, the signal that can send according to microcomputer 14 correspondingly in 10～36 scopes, change be added in toward indoor send cold, heat, the dc fan motor (brushless motor) of temperature wind (M1) motor of the DC voltage on 16 with electric power loop 12, generation is used for 5 galvanic control power supply loops 13 of microcomputer 14, respond the signal of microcomputer 14 according to the rotary position information of dc fan motor, the motor driving loop 15 that the stator coil of control dc fan motor 16 is regularly switched on, be provided with the ON/OFF switch on the guidance panel of indoor set 1, the switch substrate 17 of test running switch etc., receive straighforward operation signal (the ON/OFF signal that Digiplex 60 sends, refrigeration/heating switching signal, setting value at room temperature signal) signal receiver 18a, the display board 18 that shows the air-conditioner operation state is provided with the baffle plate motor (M2) 19 that moving stop changes changes in temperature wind outgoing direction simultaneously.
In addition, the heat-exchanger temperature sensor 21 of the temperature that be provided with the temperature sensor 20 that detects room temperature, detects indoor side heat exchanger 1a and detect the humidity sensor 22 of indoor humidity, the detected value of these sensors is read by microcomputer 14 through the A/D conversion.On the other hand, the control signal by microcomputer 14 sends to outdoor location 2 transmits through serial loop 23 and terminal board T3.Moreover the signal that is sent by microcomputer 14 is through driver 24 control triac 26 and heater relay 27, carries out phase controlling with this energising to the heater 25 that is used for heating again when the dehumidifying.
The 30th, the additional ROM of " inherent data " of the machine of storage air conditioner and the decision of all characteristics, the inherent data of storage is as follows in this additional ROM30 (auxiliary ROM).
(1) difference of indoor set and outdoor location
(2) exploitation year
(3) Kai Fa change resume
(4) large-scale and small-sized difference
(5) the continuous sequence number of Zhi Zaoing
(6) corresponding remote controller classification
(7) difference of refrigeration special use or refrigeration/heating
(8) have or not heating, have or not humidity sensor
(9) ability of unitary device
(10) have or not the remote controller address (
De レ ス)
(11) the specified cycle of heating and refrigeration
(12) the high frequency number (as the 105-180 hertz) of heating
(13) angle position of baffle plate
(14) hunting range of baffle plate during refrigeration and during heating
(15) maximum voltage of blower motor control revolution
(16) data checks sign indicating number
When rigidly connecting logical and just shut down, power supply reads in inherent data from this additional ROM30 that stores inherent data.Read in before inherent data finishes from this additional ROM30 when connecting power supply, from Digiplex 60 input instructions, detect the state of aftermentioned running, test running switch.
The following describes the control loop of outdoor location 2.
Be provided with respectively terminal board T in the outdoor location 2 with indoor set 1
1, T
2, T
3The terminal board T that joins with line
1' T
2', T
3'.The 31st, be connected in parallel on T
1' and T
2' on rheostat, the 32nd, noise filter, the 34th, impedor, the 35th, the multiplication of voltage loop, the 36th, noise filter, the 37th, the multiplication of voltage that multiplication of voltage loop 35 produces is carried out the filter circuit that filtering is used, exchange the DC voltage that obtains about 280V by 100V.
The 39th, for from terminal board T
3The control signal from indoor set 1 of ' input sends microcomputer 41 to and carries out the serial loop that signal is changed usefulness, the 40th, the current filtering of the load of the supply outdoor location 2 that detects with converter (CT) 33 is become the electric current detecting circuit of supplying with microcomputer 41 behind the DC voltage, the 41st, microcomputer, the 42nd, the Switching Power Supply loop that produces microcomputer 41 supply voltages.The 38th, according to the motor control loop that the control signal of microcomputer 41 is carried out pulsewidth modulation (PWM) control to the electric power that is sent to compressor 43,6 pliotrons are connected into the three-phase bridge circuit, constitute so-called inverter.The 43rd, the compressor motor of driving freeze cycle, the 44th, the outlet side temperature sensor of detection compressor outlet side refrigeration filling temperature, 45 is blower motors of three velocity modulation speed, blows to outdoor heat exchanger 2a.46 and 47 is for switching the cross valve and the magnetic valve of refrigeration filling circulation usefulness in the freeze cycle.
In addition, near promising detection air entry on the outdoor location 2 outside air temperature and the outdoor air sensor 48 that is provided with, the temperature of the also promising outside heat exchangers 2a of sensing chamber and the heat-exchanger temperature sensor 49 that is provided with, the detected value of these sensors 48,49 is read by microcomputer 41 through the A/D conversion.
The 50th, have the additional ROM of said function with the additional ROM30 in the indoor set 1, it is the same with the explanation that additional ROM30 is done, the inherent data of storage outdoor location 21.
In addition, the symbol F that draws in the control loop of indoor set 1 and outdoor location 2 represents fuse.
In addition, microcomputer (control element) 4 is the ROM that has stored program in advance in inside, and the RAM of storage parameter and the CPU of performing a programme are contained in (U879JP of INTEL Corp.'s system) on the same chip.
Fig. 3 and Fig. 4 are that the microcomputer 14 with the control loop of indoor set 1 in the air conditioner electric loop shown in Figure 2 is the physical cabling figure at center.Fig. 3 is the wiring in microcomputer 14 left sides, and Fig. 4 is the wiring on microcomputer right side, and Fig. 3 and Fig. 4 lump together, and is exactly all of physical cabling figure.The component part identical with Fig. 1 is marked with identical numeral among the figure.
Referring to Fig. 3, microcomputer 14 is delivered to serial loop 23 from the control data that port P1 carries to outdoor location 2 through buffer 101.Serial loop 23 exports control data to the holding wire 200 that connects indoor set 1 and outdoor location 2.When from outdoor location 2 reception control datas, microcomputer 14 is through order wires 200, and serial loop 23, buffer 102 are imported from port P2.Serial loop 23 usefulness photoelectrical couplers carry out the input of control data between order wire 200 and buffer 101,102.
The driving signal of delivery outlet P3-P6 output baffle plate motor 19.As this baffle plate motor 19, can change the angle of revolution of baffle plate motor 19 with stepper motor by the signal of delivery outlet P3～P6 output by the energising of control baffle plate motor 19 coils.In addition, the signal from port P3～P6 output carried out power amplification with buffer 19a before baffle plate motor 19 coil electricities.
The Continuity signal of delivery outlet P11 output triac 26, the signal of delivery outlet P17 output control heater relay power, the signal that delivery outlet P18 output is rung buzzer.These signals all carry out power amplification through buffer 19a.
Delivery outlet P19 output is added in the d. c. voltage signal of blower motor 16.This d. c. voltage signal is made up of the pulse train of impulse amplitude change in duty cycle.This pulse train is transformed into DC voltage by transformation loop 104.This DC voltage is delivered to motor power loop 12.Motor power loop 12 is to the direct current of motor driving loop 15 supplies with the corresponding voltage of this DC voltage.Therefore, if change, then can change the voltage that supply motor drives loop 15 from the dutycycle of the pulse train of port P19 output.In addition, because aftermentioned uses DC Brushless Motor as blower motor 16,, then can change the revolution of blower motor 16 if change the voltage that supply motor drives loop 15.
In addition, the transformation loop 104 main electric capacity of being used by triode, resistance and filtering are formed.
Input port P21 is input as the regularly used signal of energising of control blower motor (3-phase brushless motor) 16.This signal is the signal that the electric current that flows through each stator coil of 3-phase brushless motor obtains when being in the neutral point change in polarity, motor circle 6 ripples.The loop sets that produces this signal is contained in the motor driving loop 15 (the thick film circuit ICKA160 of Sanyo Electric system).In addition, in this motor driving loop 15, adorned by 6 pliotrons and be connected into the contrary degree device loop of three-phase bridge and these pliotrons are carried out the switch loop (mainly being the loop of shortening the discharge time of savings electric charge between pliotron base stage-emitter stage) that speed-sensitive switch is used.
Therefore, (ロ-) switch is carried out in the angle of revolution, just can make blower motor 16 rotations if this pliotron, cooperates motor successively by predetermined switching sequence.According to this switch combination, pliotron switching signal separately is by the delivery outlet P22～P27 output of microcomputer 14.14 pairs of microcomputers carry out predefined calculation by the signals (time between signal and the signal) of port P21 input and judge (after the angle of revolution of ロ-), the signal that this angle of revolution cooperates switch by port P22～P27 to motor driving loop 15 outputs.
Below with reference to Fig. 4, the output of the port P51 of microcomputer output temperature sensor 20, the output of port P50 output heat exchanger temperature sensor 21, the output of port P49 output temperature detecting sensor 105 (Cds), the output of port P48 output humidity sensor 22.These outputs are at port P51, P50, and P49, P48 deposit the interior RAM of microcomputer 14 in as data after (A/D) conversion.Switch substrate 17 is provided with contact C such as full cut-off ends, running, test running, fault diagnosis
1～C
4Can make to stir about sub-17a by manual operation and stir.Contact C
1～C
4Current potential provide the current potential that has nothing in common with each other of four ladders together by resistance 106-108 and 5V voltage.Therefore, the current potential of input port P47 (A/D changes the input port) is judged to declare know which contact has connected.Fault diagnosis switch 108 is connected on the port P45 of microcomputer 14.Make the port P42 input of signal by microcomputer 14 with the remote control that receiver 18a receives, port P36～P41 output makes and shows running, refrigeration automatically, the signal that the light emitting diode 18b of heating automatically, dehumidifying lights on the display board.
The port P34 of microcomputer 14, P35 and P44 meet auxiliary ROM30, the above-mentioned inherent data that microcomputer 14 is read this ROM30 as required and deposited.
When reading inherent data, microcomputer 14 as shown in Figure 5, use from the signal of port P34 output auxiliary ROM30 is resetted after, from port P35 clock signal, corresponding clock signal deposits inner RAM in from port P44 input data.The read-only memory (OTPROM) that auxiliary ROM30 can adopt one-off programming to call over, for example MB85419 of Fujitsu's system.
Fig. 6 is the flow chart of expression microcomputer 14 main actions.
In the figure, step S1 inserts socket from plug 10 to begin power supply, at first in step S2 microcomputer 14 is carried out initialization.Then, in step S3, read the data that are stored among the auxiliary ROM30, deposit in microcomputer 14 internal RAM.This step as previously mentioned, after auxiliary ROM30 has sent out reset signal, pulse of each specified period output, and read in corresponding data with this pulse output from port P44 sequentially deposits among the RAM.
Then enter step S4, input pickup 20～22 and 105 detected value deposit these data among the RAM in.Similarly the voltage on being superimposed upon port P47 judges which terminal has been connected the switch 17a, and the terminal data that expression is connected deposit among the RAM.In addition, when input remote controller 60 came signal (operation information), the signal of reception was added on the port P42, and interrupt routine is divided into each corresponding data to a succession of operation information that receives, and deposits among the RAM.
At step S5, step S6 judges whether air conditioner turns round, and judgement is to become from running to stop, and judges whether to stop, if on-stream, then enters step S7, turns round according to institute's deposit data among the RAM.For example,, when carrying out heating operation, the lamp that shows heating is lighted, according to the running (for example, sending the data of the running ability of setting compressor) of room temperature and design temperature control compressor toward outdoor location when switch 17a is on running (C2) terminal.
The microcomputer 41 of the control loop of outdoor location 2 is identical substantially, so explanation is omitted.
The air conditioner of Gou Chenging like this, for example the remote controller models of corresponding A machine is " VR ", have refrigeration/heating function, no electric heater (motor) and humidity sensor, installed capacity is 2500 kilocalories ..., with B machine corresponding remote controller model be " VS " (VS can send multi-purpose operation information than VR, can carry out more air conditioner function), refrigeration/heating function to be arranged, electric heater and humidity sensor, installed capacity are arranged be 2800 kilocalories ....C machine similarly, D machine ... ...
The difference of these machines mainly is that the function number, the installed capacity that have are 2000 kilocalories, 2500 kilocalories, 2800 kilocalories, 3200 kilocalories etc.Herewith, the machine number is their permutation and combination, but selects effective function, and the ability that meets indoor set (if change the desired compressor operation ability of outdoor location, then can be controlled a plurality of machines with single control device.In other words, if control device of the present invention is set the inherent data that deposits among the auxiliary ROM according to each machine, then can carry out and the corresponding control of each machine.
Fig. 7 and Fig. 8 are that the microcomputer 201 with the control loop of outdoor location 2 in the electric loop of air conditioner shown in Figure 2 is the concrete wiring circle at center.Shown in Figure 7 is the wiring in microcomputer 201 left sides, and shown in Figure 8 is the wiring on microcomputer 201 right sides, and Fig. 7 and Fig. 8 lump together, and has just become all of entity wiring diagram.The component part identical with Fig. 1 indicates identical numeral among the figure.
With reference to Fig. 7, microcomputer 201 is exported the control data that is sent to indoor set 1 from port P1, delivers to serial loop 39.Serial loop 39 sends signal by holding wire 200 to indoor set.Serial loop 39 is from indoor set 1 reception control data the time, by holding wire 200, received signal.
Port P4 is the lead-out terminal of carrier wave, detects loop 202 outgoing carriers to the program out of control of microcomputer 201.Carrier wave is based on pulsewidth modulation (PWM) theory, and the false sinusoidal wave switching signal that produces for being used to generate drive compression machine 43 as if normally generating switching signal, then has output.In addition, this switching signal is from port P6～P11 output.
Program out of control detects loop 202 in case when not supplying with carrier wave more than certain hour, the port P5 output signal of microcomputer 202 is meanwhile cut off the power supply supply of photoelectrical coupler 203～208.
Contactor 209,210 provides the electric power of switching signal and driving usefulness to motor driving loop 38.(temperature anomaly, current anomaly etc.) take place when unusual signal to photoelectrical coupler output are delivered to the port P5 of microcomputer 201 in motor driving loop.
The 212nd, buffer circuit by power amplification, exports photoelectrical coupler 203～208 from the switching signal of microcomputer 201 output to.
Switching Power Supply loop 42 produces the power supply of the switch element that is used for drive motor loop 38, and-12V reaches-5V voltage.
Referring to Fig. 8, the 213rd, the binding post of connection current transformer (CT) 33 usefulness.Current transformer on the current detection circuit 40 (CT) 33 detected alternating currents convert the port P17 (analog input mouth) that exports microcomputer 201 behind the DC voltage to.
214～216 is respectively to connect outlet temperature sensor 44, and the terminals of outdoor air temperature sensor, heat-exchanger temperature sensor 49, their detected values separately are transformed into the port P14～P16 (analog input mouth) that exports microcomputer 201 behind the DC voltage to.
Port P19～P22 is the output of machine control signal, and control signal separately exports RV shown in Figure 7 to through triode 217～220, SV, R1, R2 and R3.221 is triacs in Fig. 7, and control is connected on the switching of the cross valve 46 on the terminals 222.
The 223rd, triac, control is connected on the switching of the magnetic valve 47 on the terminals 224.The 225th, the auxiliary relay of transfer strip 231 is arranged, the 226th, the auxiliary relay of transfer strip 230 is arranged, the 227th, the auxiliary relay of switch plate 229 is arranged, control these auxiliary relays 225～227, blower motor is switched between three speed.
Auxiliary ROM50 is connected on the port P27～P29 of microcomputer 201, and microcomputer 201 is correspondingly read inherent data as required from this auxiliary ROM.
In the above-described embodiments, having prepared some storages has the auxiliary ROM of each machine inherent data, as long as according to the machine that the air conditioner of control device is housed, load onto suitable auxiliary ROM and get final product.In addition, in the above-described embodiments, but auxiliary ROM adopts the order read-only memory (OTPROM) of one-off programming, but is not limited to this, and auxiliary ROM also can adopt E2PROM (EEPROM).At this moment E2PROM is the same with OTPROM uses, but E2PROM also can be pre-installed on the control device, and then intrinsic data are write E2PROM.In addition, also can adopt stand-by power supply, replace auxiliary ROM with RAM.
On the control loop of air conditioner, pack into the memory device of the corresponding inherent data that has each machine inherent characteristic and function of the present invention, therefore just other parts of control loop can be made the substrate general with other machines, this is not only favourable to reducing cost, and as long as change the memory device that has inherent data, perhaps rewrite inherent data, just can change the characteristic and the function of air conditioner easily.
Claims (1)
1. the control device of an air conditioner, this air conditioner has: the freeze cycle that compressor, outdoor heat converter, decompressor, indoor heat converter is formed by connecting with the refrigeration filling pipeline, in order to by control compressor and hair-dryer etc. by air-conditioning indoor supply by the air of described indoor heat converter temperature adjustment
It is characterized in that:
Described freeze cycle is installed on the outdoor unit that comprises compressor, outdoor heat converter, decompressor separatedly and comprises among the indoor unit of indoor heat converter;
Outdoor unit is provided with: outdoor unit side microcomputer, it has the main ROM (read-only storage) that has stored in order to the program of the machine operation in the outdoor unit that is controlled at compressor etc., stored the RAM (random access memory) of various data, and the CPU (CPU) of performing a programme has been installed in the single assembly; The outdoor unit side is assisted ROM, in order to the inherent data of the unit, outside of the maximum capacity of store compressed machine and the capacity of outdoor heat exchanger etc.; Adjusting device in order to according to from the control signal of described outdoor unit side microcomputer, is adjusted into the ability of compressor below the predetermined maximum capacity; Described outdoor unit side microcomputer is carried out inherent data with the auxiliary ROM of outdoor unit side and is stored in program among the RAM when described air conditioner arrives predetermined state, and according to the action of the inherent data control machine of various data and outdoor unit;
Indoor unit is provided with: indoor unit side microcomputer, it has the main ROM that has stored in order to the program of the action of the machine in the indoor unit that is controlled at pressure fan etc., stored the data set according to operation and the RAM of various data, the CPU (CPU) of performing a programme has been installed in the single assembly; The indoor unit side is assisted ROM, in order to the inherent data of the indoor unit of the capacity of having stored the indoor heat exchange unit, the air quantity degree of amplitude modulation of pressure fan etc.; Unit, described indoor microcomputer is carried out inherent data with the auxiliary ROM of indoor unit side and is stored in program among the RAM when described air conditioner reaches predetermined state, according to the action of the inherent data control machine of various data and indoor unit;
With holding wire outdoor unit side microcomputer and outdoor unit side microcomputer are connected to each other, to carry out mutual data transmit-receive, the transmitting-receiving of these two microcomputers by mutual data and control signal with the running ability of compressor be controlled to be below the fixed maximum capacity, simultaneously, according to room temperature and setting humidity the ability of this compressor is controlled.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3354577A JPH05172390A (en) | 1991-12-19 | 1991-12-19 | Controller for air conditioner |
| JP354577/91 | 1991-12-19 | ||
| JP354577/1991 | 1991-12-19 | ||
| JP201219/92 | 1992-07-28 | ||
| JP4201219A JPH0642802A (en) | 1992-07-28 | 1992-07-28 | Controller for air conditioner |
| JP201219/1992 | 1992-07-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1073759A CN1073759A (en) | 1993-06-30 |
| CN1057828C true CN1057828C (en) | 2000-10-25 |
Family
ID=26512664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN92114951A Expired - Fee Related CN1057828C (en) | 1991-12-19 | 1992-12-16 | Controller of air conditioner |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR970006057B1 (en) |
| CN (1) | CN1057828C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7775452B2 (en) * | 2004-01-07 | 2010-08-17 | Carrier Corporation | Serial communicating HVAC system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88101298A (en) * | 1987-03-10 | 1988-09-21 | 松下电器产业株式会社 | Data drive type air conditioner controller |
| US5005366A (en) * | 1989-03-29 | 1991-04-09 | Kabushiki Kaisha Toshiba | Air conditioning system |
| US5062278A (en) * | 1990-02-23 | 1991-11-05 | Kabushiki Kaisha Toshiba | Air-conditioning apparatus including an indoor unit and an outdoor unit having its compressor driven by a three-phase AC power supply |
-
1992
- 1992-12-16 CN CN92114951A patent/CN1057828C/en not_active Expired - Fee Related
- 1992-12-19 KR KR1019920024846A patent/KR970006057B1/en not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88101298A (en) * | 1987-03-10 | 1988-09-21 | 松下电器产业株式会社 | Data drive type air conditioner controller |
| US5005366A (en) * | 1989-03-29 | 1991-04-09 | Kabushiki Kaisha Toshiba | Air conditioning system |
| US5062278A (en) * | 1990-02-23 | 1991-11-05 | Kabushiki Kaisha Toshiba | Air-conditioning apparatus including an indoor unit and an outdoor unit having its compressor driven by a three-phase AC power supply |
Also Published As
| Publication number | Publication date |
|---|---|
| KR930013612A (en) | 1993-07-22 |
| KR970006057B1 (en) | 1997-04-23 |
| CN1073759A (en) | 1993-06-30 |
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