CN203478503U - Indoor-unit controller and air-conditioner indoor unit comprising same - Google Patents
Indoor-unit controller and air-conditioner indoor unit comprising same Download PDFInfo
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- CN203478503U CN203478503U CN201320531629.XU CN201320531629U CN203478503U CN 203478503 U CN203478503 U CN 203478503U CN 201320531629 U CN201320531629 U CN 201320531629U CN 203478503 U CN203478503 U CN 203478503U
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- air conditioner
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Abstract
The utility model provides an air-conditioner controller comprising a master control unit, a fixed-frequency communication module, a variable-frequency communication module and a universal interface. The fixed-frequency communication module and the variable-frequency communication module are connected with the master control unit respectively. The universal interface connected with the fixed-frequency communication module and the variable-frequency communication module is used for being connected with an indoor unit. The utility model further provides an air-conditioner indoor unit comprising the air-conditioner controller. Through switching between a fixed-frequency communication mode and a variable-frequency communication mode, one kind of indoor unit can be matched with variable-frequency outdoor units and fixed-frequency outdoor units.
Description
Technical field
The utility model relates to a kind of air conditioner controlling device and comprises the air conditioner room unit of this device.
Background technology
Air-conditioner is divided into indoor set and two parts of off-premises station, and indoor set is comprised of evaporimeter, indoor controller, indoor fan, stepper motor etc.; Off-premises station is comprised of compressor, condenser, cross valve, capillary group, filter and outdoor controller etc.
The low-pressure steam of refrigeration system inner refrigerant is sucked also and drains into condenser after boil down to high steam by compressor, is condensed into highly pressurised liquid.Highly pressurised liquid, through the laggard evaporimeter that enters indoor set of step-down cooling, is evaporating under corresponding low pressure, draws heat around.Indoor fan makes air constantly enter evaporimeter to carry out heat exchange, and the air turning cold after heat release is sent to indoor.So room air constantly circulates, and reaches the object that reduces temperature.
Indoor apparatus of air conditioner receives the information of remote controller, according to wind speed and wind direction, adjust the rotating speed of indoor fan and the angle of damper blade, according to indoor temperature and design temperature, calculate the relevant informations such as rotating speed of compressor simultaneously, by and indoor and outdoor machine between connection, send off-premises station to.The data message that the microprocessor of off-premises station sends according to indoor set, regulates start/stop of compressor or rotating speed and outdoor fan rotating speed etc., and current running state information is returned to indoor set, thus the set-up function of completion system.
Existing domestic air conditioning indoor set is surely frequently different with ddc communication program and control mode, fixed frequently in machine control panel on hardware than the relay of many blower fans, compressor on the control panel of frequency conversion, and in frequency conversion, on machine control panel, by the holding wire of indoor and outdoor, realize the control of outside plate.Fixed frequently in machine can only with determine the outer machine of frequency and carry out communication and mate, in frequency conversion, machine can only mate with the outer machine of frequency conversion.
Utility model content
The utility model provides a kind of air conditioner controlling device and comprises the air conditioner room unit of this device, by switching frequency fixing communication pattern or frequency conversion communication pattern, thereby realize a kind of indoor set, can mate with frequency conversion off-premises station and fixed off-premises station frequently.
Air conditioner controlling device provided by the utility model comprises:
Main control unit, the frequency fixing communication module being connected with main control unit respectively and frequency conversion communication module, be connected with frequency conversion communication module with frequency fixing communication module for connecting the general-purpose interface of off-premises station.
By upper, by switching frequency fixing communication pattern or frequency conversion communication pattern, thereby realize a kind of indoor set, can mate with frequency conversion off-premises station and fixed off-premises station frequently.
Optionally, described general-purpose interface comprises: zero line port N, FireWire port port L, frequency variation signal transmit port C, indoor fan signal transmission port BR and compressor of outdoor unit receiver port R.
By upper, by general-purpose interface, realize connecting altogether of frequency fixing communication module and frequency conversion communication module.
Optionally, described frequency fixing communication module comprises:
The first relay, its control end is connected between relay working voltage and main control unit one port, and its controlled terminal is connected on FireWire port port L between earth terminal;
The second relay, its control end is connected between relay working voltage and main control unit one port, and its controlled terminal is connected between FireWire port port L and indoor fan signal transmission port BR;
The 3rd relay, its control end is connected between relay working voltage and main control unit one port, and its controlled terminal is connected on compressor of outdoor unit receiver port R between earth terminal;
Connect main control unit one port to a wire of zero line port N.
By upper, indoor set is communicated by determining frequency pattern and off-premises station.
Optionally, described frequency conversion communication module comprises:
The first optocoupler, its input is connected with main control unit one port, the frequency variation signal transmit port C of output connection universal interface;
The triode and the second optocoupler that connect successively, the base stage of described triode is connected with main control unit one port, grounded emitter, colelctor electrode is connected with the input of the second optocoupler, and the output of the second optocoupler is zero line port N and the FireWire port port L of connection universal interface respectively.
By upper, indoor set is communicated by variable mode and off-premises station.
Optionally, described main control unit is to comprise that model is the circuit of R5F212A7SNFA chip.
Also comprise one of at least following interface being connected with main control unit:
For connecting the interface of AD conversion unit;
Interface for junction chamber inner blower driver element;
For connecting the interface of stepper motor driver element;
For connecting the interface of display unit.
Optionally, also comprise: toggle switch, is connected with general-purpose interface with described main control unit respectively.
By upper, conveniently realize variable mode or the fixed pattern frequently selected.
Optionally, described air conditioner controlling device is arranged on a circuit board.
By upper, can save indoor set space.
The utility model also provides a kind of air conditioner room unit, comprises above-mentioned air conditioner controlling device.
By upper, by switching frequency fixing communication pattern or frequency conversion communication pattern, thereby realize a kind of indoor set, can mate with frequency conversion off-premises station and fixed off-premises station frequently.
Accompanying drawing explanation
Fig. 1 is the principle schematic of air conditioner room unit;
Fig. 2 is the principle schematic of communication unit;
Fig. 3 is the circuit theory schematic diagram of air conditioner controlling device;
Fig. 4 is the circuit diagram of air conditioner room unit frequency fixing communication module;
Fig. 5 is the circuit diagram of air conditioner room unit frequency conversion communication module.
The specific embodiment
Below in conjunction with accompanying drawing, to the utility model air conditioner controlling device and comprise that the embodiment of the air conditioner room unit of this device is described in detail.
The principle schematic of air-conditioner as shown in Figure 1, comprise main control unit 101, the indoor fan driver element 102 being connected with main control unit 101 respectively, stepper motor driver element 104, display unit 109, communication unit 110 and power supply unit 111, also comprise the indoor fan 103 being connected with indoor fan driver element 102, the stepper motor 105 being connected with stepper motor driver element 104, and the indoor temperature transmitter 107 and the coil temperature sensor 108 that by AD conversion unit 106, are connected with main control unit 101.Wherein, above-mentioned main control unit 101 units and communication unit 110 are arranged on air-conditioner dash, and other units connect this controller part and connect by each interface being arranged on this control panel.
Wherein, indoor temperature transmitter 107 and coil temperature sensor 108 are respectively used to environment temperature in sensing chamber and the coil temperature of indoor set.
Indoor fan driver element 102 is connected between main control unit 101 and indoor fan 103, for 103 operations of drive chamber's inner blower.Described indoor fan driver element 102 comprises bidirectional triode thyristor and rotating speed detection module.Wherein, bidirectional triode thyristor is adjusted ON time for the dutycycle of exporting according to main control unit 101.Rotating speed detection module is connected with indoor fan 103.
Stepper motor driver element 104 is connected between main control unit 101 and stepper motor 105, comprises that the negater circuit, amplifying circuit, photoelectric isolating circuit and the power amplification circuit that connect successively form.
Main control unit 101 receives user's control instruction (comprising temperature instruction, wind speed instruction and wind direction instruction) by infrared remote receiver (not shown), wind speed instruction is forwarded to indoor fan driver element 102, wind direction instruction is forwarded to stepper motor driver element 104, and temperature instruction and/or blower fan start and stop status information are forwarded to communication unit 110.The function of described main control unit 101 is by comprising that model is that the chip of R5F212A7SNFA is realized.
Frequency fixing communication module 1101, for to off-premises station output indoor fan start stop signal, receives the start stop signal of compressor of outdoor unit, and powers to off-premises station output current; Frequency conversion communication module 1102, for the running status (comprising indoor temperature, rotation speed of fan etc.) to off-premises station output indoor set, receives the running frequency of compressor of outdoor unit, and powers to off-premises station output current.
Described frequency fixing communication module 1101 is connected one end and is integrated into one group of general-purpose interface 1104 with off-premises station with frequency conversion communication module 1102, by dial-up 1103, switch fixed mode of operation or variable frequency work pattern frequently.The described dial-up 1103 that passes through is connected with general-purpose interface 1104 with main control unit 101 respectively.Described general-purpose interface 1104 comprises: port N-zero line port, port L-FireWire port port, port C-frequency variation signal transmit port, port R-compressor of outdoor unit receiver port, port BR-indoor fan signal transmission port.
Wherein, described frequency fixing communication module 1101 is connected with the first power supply port with the signal transmission port of main control unit 101 respectively, wherein, main control unit 101 comprises with the signal transmission port that frequency fixing communication module 1101 is connected: first signal transmit port, for dispatcher's office's inner blower signal, also comprise secondary signal transmit port, for receiving off-premises station start/stop of compressor signal.Above-mentioned signal transmits by port R and the port BR of general-purpose interface 1104 respectively.
The first power supply port of main control unit 101 is connected with live wire with zero line with port L by the port N of general-purpose interface 1104 respectively.Further, between the first power supply port and frequency fixing communication module 1101 of described main control unit 101, also comprise a current transformer (not shown), for detection of electric current.
The circuit diagram of frequency fixing communication module 1101 as shown in Figure 4, main control unit 101 is by exporting varying level to control the switching of the first to the 3rd relay (K1, K2, K3), by indoor set, to off-premises station, powered, and transfer chamber inner blower signal and reception off-premises station start/stop of compressor signal.The first relay, its control end is connected between relay working voltage and main control unit one port, and its controlled terminal is connected on FireWire port port L between earth terminal;
The second relay, its control end is connected between relay working voltage and main control unit one port, and its controlled terminal is connected between FireWire port port L and indoor fan signal transmission port BR;
The 3rd relay, its control end is connected between relay working voltage and main control unit one port, and its controlled terminal is connected on compressor of outdoor unit receiver port R between earth terminal;
Connect main control unit one port to a wire of zero line port N.
Described frequency conversion communication module 1102 is connected with the second power supply port (port of CON1 shown in Fig. 3) with the 3rd signal transmission port (port of CON2 shown in Fig. 3) of main control unit 101 respectively, described the 3rd signal transmission port is for the COM1 of machine master control borad operation outside control room, main control unit 101 is the control signal by machine master control borad outside off-premises station Transmission Control by the 3rd signal transmission port, and receives off-premises station to the off-premises station run signal of indoor set transmission.The port C of described general-purpose interface 1104 is used for transmitting above-mentioned control signal and run signal.Same, the second power supply port is for powering to off-premises station.
The circuit diagram of frequency conversion communication module 1102 as shown in Figure 5, in frequency conversion communication module 1102, comprise the first optocoupler IC6 and peripheral circuit with the link of main control unit 101 the 3rd signal transmission port, when indoor set is during to off-premises station output signal, need zero line current potential to be greater than live wire current potential, be that main control unit 101 the 3rd signal transmission port is sent low level signal, make the first optocoupler IC6 conducting, by peripheral circuit, undertaken after filtering, finally the port C by general-purpose interface 1104 communicates by letter with off-premises station, and indoor set signal is transferred to outdoor.Accordingly, when zero line current potential is less than live wire current potential, by off-premises station to indoor set signal transmission.
In frequency conversion communication module 1102, comprise with the link of the second power supply port triode N5, the second optocoupler IC4 and the peripheral circuit being connected successively.Wherein, the base stage of triode N5 is connected with main control unit 101, grounded emitter, and colelctor electrode is connected with the input of the second optocoupler IC4, and the output of the second optocoupler IC4 is zero line port and the FireWire port port of connection universal interface 1104 respectively.
In the present embodiment, general-purpose interface 1104(port N, port L, port C, port R, port BR that described frequency fixing communication module 1101 is communicated by letter with off-premises station with frequency conversion communication module 1102) integrated, by being set, dial-up 1103 selects to be connected with off-premises station by frequency fixing communication module 1101 or by frequency conversion communication module 1102.When being connected with frequency conversion off-premises station, by dial-up 1103, to select to connect N, L, tri-ports of C, frequency conversion communication module 1102 is carried out frequency variation signal transmission by port C and off-premises station, by port N and port L transmission power supply signal.When determining frequency off-premises station and mate, by dial-up 1103, select N, L, R, tetra-ports of BR, now C end does not have signal input, and frequency fixing communication module 1101 is carried out signal transmission by port BR and port R and off-premises station, by port N and port L and off-premises station, carries out power delivery.
Further, described frequency fixing communication module 1101, frequency conversion communication module 1102 and main control unit 101 can be integrated in same printed board, can save space thus.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. an air conditioner controlling device, is characterized in that, comprising:
Main control unit, the frequency fixing communication module being connected with main control unit respectively and frequency conversion communication module, be connected with frequency conversion communication module with frequency fixing communication module for connecting the general-purpose interface of off-premises station.
2. air conditioner controlling device according to claim 1, is characterized in that, described general-purpose interface comprises: zero line port N, FireWire port port L, frequency variation signal transmit port C, indoor fan signal transmission port BR and compressor of outdoor unit receiver port R.
3. air conditioner controlling device according to claim 2, is characterized in that, described frequency fixing communication module comprises:
The first relay, its control end is connected between relay working voltage and main control unit one port, and its controlled terminal is connected on FireWire port port L between earth terminal;
The second relay, its control end is connected between relay working voltage and main control unit one port, and its controlled terminal is connected between FireWire port port L and indoor fan signal transmission port BR;
The 3rd relay, its control end is connected between relay working voltage and main control unit one port, and its controlled terminal is connected on compressor of outdoor unit receiver port R between earth terminal;
Connect main control unit one port to a wire of zero line port N.
4. air conditioner controlling device according to claim 2, is characterized in that, described frequency conversion communication module comprises:
The first optocoupler, its input is connected with main control unit one port, the frequency variation signal transmit port C of output connection universal interface;
The triode and the second optocoupler that connect successively, the base stage of described triode is connected with main control unit one port, grounded emitter, colelctor electrode is connected with the input of the second optocoupler, and the output of the second optocoupler is zero line port N and the FireWire port port L of connection universal interface respectively.
5. air conditioner controlling device according to claim 1, is characterized in that, described main control unit is to comprise that model is the circuit of R5F212A7SNFA chip.
6. air conditioner controlling device according to claim 1, is characterized in that, also comprises one of at least following interface being connected with main control unit:
For connecting the interface of AD conversion unit;
Interface for junction chamber inner blower driver element;
For connecting the interface of stepper motor driver element;
For connecting the interface of display unit.
7. air conditioner controlling device according to claim 2, is characterized in that, also comprises: toggle switch, is connected with general-purpose interface with described main control unit respectively.
8. according to the arbitrary described air conditioner controlling device of claim 1 to 7, it is characterized in that, described air conditioner controlling device is arranged on a circuit board.
9. an air conditioner room unit, comprises the arbitrary described air conditioner controlling device of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320531629.XU CN203478503U (en) | 2013-08-27 | 2013-08-27 | Indoor-unit controller and air-conditioner indoor unit comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320531629.XU CN203478503U (en) | 2013-08-27 | 2013-08-27 | Indoor-unit controller and air-conditioner indoor unit comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203478503U true CN203478503U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320531629.XU Expired - Lifetime CN203478503U (en) | 2013-08-27 | 2013-08-27 | Indoor-unit controller and air-conditioner indoor unit comprising same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044035A (en) * | 2019-05-16 | 2019-07-23 | 珠海格力电器股份有限公司 | Variable frequency air-conditioner controller fault tolerable circuit and control method |
| CN114963477A (en) * | 2022-06-07 | 2022-08-30 | 海信空调有限公司 | Outdoor unit, communication control method thereof and air conditioner |
-
2013
- 2013-08-27 CN CN201320531629.XU patent/CN203478503U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044035A (en) * | 2019-05-16 | 2019-07-23 | 珠海格力电器股份有限公司 | Variable frequency air-conditioner controller fault tolerable circuit and control method |
| CN114963477A (en) * | 2022-06-07 | 2022-08-30 | 海信空调有限公司 | Outdoor unit, communication control method thereof and air conditioner |
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Granted publication date: 20140312 |
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| CX01 | Expiry of patent term |