CN209042687U - Electrically-controlled component and air conditioner - Google Patents

Abstract

The utility model discloses a kind of electrically-controlled component and air conditioner, the electrically-controlled component includes: master control borad, is provided with power input, the first master controller, power supply, isolating switch power, power module, current limiting element, the first electronic switch and the second electronic switch for accessing AC power source；First electronic switch and the second electronic switch, which are sequentially connected in series, to be set between power input and the input terminal of power module, first control terminal of the first master controller is connect with the controlled end of the second electronic switch, and the second control terminal of the first master controller and the controlled end of power module connect；Display board is provided with the second master controller, and the input terminal of isolating switch power is connect with power input, and the output end of isolating switch power is electrically connected with the power end of the second master controller；The control terminal of second controller is connect with the controlled end of the first electronic switch, the second master controller and the first master controller communication connection.The utility model has adapted to the compact-sized design of integral air conditioner.

Description

Electrically-controlled component and air conditioner

Technical field

The utility model relates to electronic control technology field, in particular to a kind of electrically-controlled component and air conditioner.

Background technique

With scientific and technological progress, requirement of the people to air-conditioning is also higher and higher, no longer concerns as to whether to freeze, heat, people Also increasingly concern air-conditioning whether energy-saving consumption-reducing and whether compact, the traditional exchange drive scheme of structure, namely fixed frequency drives It can no longer meet client, so air conditioner integrated and frequency conversion have become more and more users' selection.

However, the automatically controlled scheme of integral type transducer air conditioning is all frequency conversion mature on the split type convertible frequency air-conditioner of directly transplanting Automatically controlled scheme, to reduce development cycle and development difficulty, but split type convertible frequency air-conditioner has display board, interior Electrical Control plate, outer Three pieces of circuit boards of machine frequency conversion board, this obviously can not adapt to the compact-sized design of integral air conditioner, namely can not be by three blocks of electricity Road plate is placed in integral air conditioner simultaneously.

Utility model content

The main purpose of the utility model is to propose a kind of electrically-controlled component and air conditioner, it is intended to by master control function and frequency conversion function It can be integrated on master control borad, to adapt to the compact-sized design of integral air conditioner.

To achieve the above object, the utility model proposes a kind of electrically-controlled component, the electrically-controlled component includes:

Master control borad is provided with power input, the first master controller, power supply, isolation for accessing AC power source Switching Power Supply, power module, current limiting element, the first electronic switch and the second electronic switch；

First electronic switch and second electronic switch are sequentially connected in series and are set to power input and the power Between the input terminal of module, the input terminal of the power supply is connect with the output end of first electronic switch, the power supply The output end of power supply is connect with the power end of first master controller；First control terminal of first master controller with it is described The controlled end of second electronic switch connects, and the second control terminal of first master controller and the controlled end of the power module connect It connects；The current limiting element is arranged in parallel with second electronic switch；

Display board, is provided with the second master controller, and the input terminal of the isolating switch power and the power input connect It connects, the output end of the isolating switch power is electrically connected with the power end of second master controller；The second controller Control terminal is connect with the controlled end of first electronic switch, and second master controller and first master controller communication connect It connects.

Optionally, second master controller, for controlling first electronic cutting when receiving out machine control signal It closes and closes, powered with controlling the power supply to first master controller；Second master controller is also with described first Master controller communication connection, so that the second electronic switch described in first main controller controls is closed.

Optionally, first electronic switch be the first relay, the first end of first relay coil with it is described The ground terminal of isolating switch power connects；The second end of first relay coil is the controlled of first electronic switch End, the stationary contact of first relay connect with the power input, the movable contact of first relay respectively with institute State the input terminal connection of the input terminal and the power supply of the second electronic switch.

Optionally, second electronic switch be the second relay, the first end of second relay coil with it is described The ground terminal of power supply connects；The second end of second relay coil is the controlled end of second electronic switch, institute The stationary contact for stating the second relay is connect with the output end of first electronic switch, the movable contact of second relay and institute State the input terminal connection of power module.

Optionally, the master control borad is additionally provided with isolated power supply output end, ground terminal, switch signal input end and two One signal transmission end, the display board are provided with and the isolated power supply output end, ground terminal, switch signal input end and two Isolated power supply input terminal, ground terminal, switching signal output end and two second letters that first signal transmission end connects one to one Number transmission end.

Optionally, the control panel is provided with the first connection-peg, is provided with the second connection-peg on the display board, it is described every It is set in first connection-peg from power output end, ground terminal, switch signal input end and two the first signal transmission end, The isolated power supply input terminal, ground terminal, switching signal output end and two second signal transmission end are set to described second and insert In connector；

First connection-peg and second connection-peg are mutually inserted adaptation, or are realized and be electrically connected by connector.

Optionally, the power supply is Unisolated switch power supply, and the input terminal of the Unisolated switch power supply is described The input terminal of power supply, the output end of the Unisolated switch power supply are the output end of the power supply；

The Unisolated switch power supply, for the power supply voltage to be converted to DC voltage, for described first Master controller power supply.

Optionally, multiple third relays for being used to drive loaded work piece are additionally provided on the master control borad, it is multiple described The first end of third relay coil is connect with the output end of the Unisolated switch power supply respectively, multiple third relays The second end of coil and multiple third control terminals of first master controller connect one to one.

Optionally, the power module includes pfc circuit and IPM module, the controlled end of the pfc circuit and IPM module It is connect respectively with first master controller, the input terminal of the pfc circuit is the input terminal of the power module, the PFC The output end of circuit is connect with the input of the IPM module, and the output end of the IPM module is for accessing compressor electric motor.

The utility model also proposes that a kind of air conditioner, including electrically-controlled component as described above, the electrically-controlled component include: master Plate is controlled, power input, the first master controller, power supply, the isolating switch power, function for accessing AC power source are provided with Rate module, the first electronic switch of current limiting element and the second electronic switch；

First electronic switch and second electronic switch are sequentially connected in series and are set to power input and the power Between the input terminal of module, the input terminal of the power supply is connect with the output end of first electronic switch, the power supply The output end of power supply is connect with the power end of first master controller；First control terminal of first master controller with it is described The controlled end of second electronic switch connects, and the second control terminal of first master controller and the controlled end of the power module connect It connects；The current limiting element is arranged in parallel with second electronic switch；Display board is provided with the second master controller, the isolation The input terminal of Switching Power Supply is connect with the power input, the output end of the isolating switch power and second main control The power end of device is electrically connected；The control terminal of the second controller is connect with the controlled end of first electronic switch, and described Two master controllers and the first master controller communication connection.

The utility model electrically-controlled component is provided with master control borad and display board, and by the first master controller, isolating switch power, Power supply, power module, current limiting element, the first electronic switch and the second electronic switch are integrally disposed on master control borad, and On the display panel by the setting of the second master controller, the second master controller controls the first electronics when receiving out machine control signal It closes the switch, to control power supply access AC power source, and powers for the first master controller.Second master controller also receives Externally input control instruction, and received control instruction is decoded, is analyzed to be converted into corresponding control signal, and with First master controller communication connection, to control signal be exported to the first master controller, so that the first master controller is according to connecing The control signal that receives controls the second electronic switch closure, so that output AC power source is to power module, and then driving power mould Block work, and compressor frequency of supply is adjusted, realize the rotational speed regulation of frequency-changeable compressor.The utility model is by master control function and change Frequency function is integrated on master control borad, to adapt to the compact-sized design of integral air conditioner.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the functional block diagram of one embodiment of the utility model electrically-controlled component；

Fig. 2 is the electrical block diagram of one embodiment of the utility model electrically-controlled component.

Drawing reference numeral explanation:

Label	Title	Label	Title
				100	Master control borad	200	Display board
110	First master controller	210	Second master controller
				120	Isolating switch power	220	Voltage conversion circuit
130	Power supply	230	Display module
				140	Power module	240	Key circuit
150	First electronic switch	250	Wireless communication line
				160	Second electronic switch	260	Stepper motor
170	Third relay	270	Temperature collection circuit
				180	Communicating circuit is isolated	VCC	Isolated power supply output end
190	EMI filter circuit	TXD	Signal sending end
				141	Pfc circuit	RXD	Signal receiving end
142	IPM module	CTL	Switch signal input end
				AC-in	Power input	GND	Ground terminal
R1	Current limiting element

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture) Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.

In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of case is not present, also not within the protection scope of the requires of the utility model.

The utility model proposes a kind of electrically-controlled components, are suitable for movable air conditioner, window air conditioner, dehumidifier humidifier etc. one In body formula air conditioner.

Referring to FIG. 1 and FIG. 2, in an embodiment of the utility model, which includes:

Master control borad 100, be provided with power input AC-in for accessing AC power source, the first master controller 110, every From Switching Power Supply 120, power supply 130, power module 140, current limiting element R1, the first electronic switch 150 and the second electronic cutting Close 160；

First electronic switch 150 and second electronic switch 160 are sequentially connected in series and are set to power input AC-in Between the input terminal of the power module 140, the input terminal of the power supply 130 and first electronic switch 150 Output end connection, the output end of the power supply 130 are connect with the power end of first master controller 110；Described first First control terminal of master controller 110 is connect with the controlled end of second electronic switch 160, first master controller 110 The second control terminal connect with the controlled end of the power module 140；The current limiting element R1 and second electronic switch 160 It is arranged in parallel；

Display board 200 is provided with the second master controller 210, the input terminal and the power supply of the isolating switch power 120 Input terminal AC-in connection, the output end of the isolating switch power 120 and the power end of second master controller 210 are electrically connected It connects；The control terminal of the second controller is connect with the controlled end of first electronic switch 150, second master controller 210 with 110 communication connection of the first master controller.

In the present embodiment, isolating switch power 120 can be using isolating transformer, switching tube, PWM controller, rectification filter The components such as wave circuit realize that the AC power source for accessing power input AC-in, such as the alternating current of 220V be converted into directly Output is to the second master controller 210 after galvanic electricity, to provide operating voltage for the second master controller 210.Wherein, the second master controller 210 operating voltage value can be 10~18V, and the present embodiment is chosen as 12V.Current limiting element R1 can be using inductance, resistance etc. Element with cut-off current characteristics realizes that the present embodiment is optional to use resistance.

First master controller 110 and the second master controller 210 can be the microprocessors such as single-chip microcontroller, DSP and FPGA, ability The technical staff in domain can be by integrating some hardware circuits and soft in the first master controller 110 and the second master controller 210 Can also it collect in part program or algorithm, the communication of Lai Shixian between the two, the first master controller 110 and the second master controller 210 At having for analyzing the software algorithm program for comparing the control instruction number received, and the decoder for parsing control instruction And other algorithm routines.By running or executing the software program and/or module that are stored in master controller memory, and call The data being stored in memory such as are compared to the control instruction received, analyze at the processing.Such as in the second master controller 210 when receiving power-on instruction, 210 output switch control signal of the second master controller to the first electronic switch 150, to trigger One electronic switch 150 closure, the AC power source of power input AC-in access is through the first electronic switch 150 and current limiting element R1 Output is to power module 140, to power to power module 140 and power supply 130.Or it is connect in the second master controller 210 When receiving shutdown command, 210 output switch control signal of the second master controller to the first electronic switch 150, with the first electricity of triggering Sub switch 150 turns off, to stop powering to power module 140 and power supply 130.

It is understood that being additionally provided with current detection circuit, voltage detecting circuit on master control borad 100, and in air-conditioning The corresponding position of each structure member of device is additionally provided with the signal deteching circuits such as temperature sensing circuit.First master controller 110 is also It can receive indoor signal, such as room temperature, the temperature of heat exchanger, the temperature of compressor, rotation speed of fan, compressor electromechanics stream Deng, and according to indoor signal, it controls power module 140 and works.

The logical order that power module 140 is exported according to the first master controller 110 works, and by the AC power source of access into The conversion of row power supply, to adjust compressor frequency of supply, realizes the rotational speed regulation of frequency-changeable compressor.

When air conditioner powers on, the alternating current accessed through ac input end is converted to direct current by isolating switch power 120 It is exported afterwards to the power end of the second master controller 210, for the power supply of the second master controller 210.Second master controller 210 is receiving When to booting control instruction, control first switch closure is exported AC power source to power supply 130, power supply 130 will Alternating current exports after being converted to direct current to the power end of the first master controller 110, to power for the first master controller 110. In this process, current limiting element R1 can inhibit the current surge of powered on moment, to prevent rush of current excessive, and after damaging Grade circuit such as power module 140 or power supply 130.It is also integrated with counter in first master controller 110, and passes through tune The timing time of counter is saved, thus after air conditioner powers on certain time, such as 10s or 20s, the first master controller 110 The second electronic switch 160 closure is controlled, is powered to control AC power source to power module 140.

110 communication connection of second master controller 210 and the first master controller, and the second master controller 210 can receive The instruction such as externally input control instruction, such as refrigeration, heating, dehumidifying, temperature, wind speed, and received control instruction is carried out Decoding, analysis after being converted into corresponding control signal, are exported to the first master controller 110, so that the first master controller 110 According to other circuit modules and loaded work piece in the control signal driving power module 140 and master control borad 100 received, to realize The functions such as refrigeration, heating, the dehumidifying of air conditioner.The electric energy of input is converted into defeated after the energy of respective frequencies by power module 140 Out to frequency-changeable compressor, to drive frequency-changeable compressor to work.

The utility model electrically-controlled component is provided with master control borad 100 and display board 200, and by the first master controller 110, isolation Switching Power Supply 120, power supply 130, power module 140, current limiting element R1, the first electronic switch 150 and the second electronic switch 160 are integrally disposed on master control borad 100, and the second master controller 210 are arranged on display board 200, the second master controller 210 when receiving out machine control signal, control the first electronic switch 150 closure, to control the access exchange of power supply 130 Power supply, and power for the first master controller 110.Second master controller 210 also receives externally input control instruction, and to reception Control instruction be decoded, analyze to be converted into corresponding control signal, and with 110 communication connection of the first master controller, from And export control signal to the first master controller 110, so that the first master controller 110 is controlled according to the control signal received Second electronic switch 160 closure, so that output AC power source is to power module 140, and then driving power module 140 works, and Compressor frequency of supply is adjusted, realizes the rotational speed regulation of frequency-changeable compressor.The utility model is by master control function and frequency conversion function collection At on master control borad 100, to adapt to the compact-sized design of integral air conditioner.

It powers it is understood that the utility model also passes through isolating switch power 120 to the second master controller 210, and Receive externally input control instruction by the second master controller 210, and when receiving booting control instruction, the first electricity of control Sub switch 150 is closed, so that the first master controller 110 and power module 140 given on master control borad 100 are powered, and in air conditioner Standby or when receiving externally input shutdown control instruction, the first electronic switch 150 of control disconnects, to stop to master control The first master controller 110 and power module 140 on plate 100 are powered.The utility model effectively reduces the standby of air conditioner Power consumption.It powers in addition, isolating switch power 120 is independent to the second master controller 210, the second master controller 210 is waited in air conditioner When machine, in a dormant state, and externally input booting control instruction is being received, it can be with the first electronic cutting of control of fast speed 150 closures are closed, the booting response speed for improving air conditioner is conducive to.

Referring to FIG. 1 and FIG. 2, further, in above-described embodiment, second master controller 210, for receiving out It when machine control signal, controls first electronic switch 150 and is closed, to control the power supply 130 to first master control Device 110 processed is powered；Second master controller 210 also with 110 communication connection of the first master controller so that described first is main Controller 110 controls second electronic switch 160 and is closed.

In the present embodiment, the second master controller 210 controls first electronic switch when receiving out machine control signal After 150 closures, control power input AC-in exports AC power source to power supply 130, to be the second master controller 210 power supplies, 210 communication connection of subsequent first master controller 110 and the second master controller, and receiving the second master controller When opening machine control signal of 210 outputs, delay a period of time, such as after 10s or 20s, the first master controller 110 control second Electronic switch 160 is closed, and is powered to control AC power source to power module 140.The present embodiment advantageously reduces air conditioner Stand-by power consumption.

Referring to FIG. 1 and FIG. 2, in an alternative embodiment, first electronic switch 150 is the first relay, described the The first end of one relay coil is connect with the ground terminal GND of the isolating switch power 120；First relay coil Second end is the controlled end of first electronic switch 150, the stationary contact of first relay and the power input AC- In connection, the movable contact of first relay respectively with the input terminal and the power supply of second electronic switch 160 130 input terminal connection.

In the present embodiment, the first electronic switch 150 can be realized using relay, contactor or breaker, this reality It applies example and is chosen as relay to realize, it is to be understood that in the second master controller 210 using controllers such as single-chip microcontrollers come real It is existing, the first electronic switch 150 using relay come when realizing, the operating voltage of the second master controller 210 be generally 3.3V or 5V, and the driving voltage of relay is generally 12V, in order to drive relay to work, is additionally provided with relay on master control borad 100 Driving circuit, such as transistor circuit, and by relay drive circuit be arranged in series in the second master controller 210 and relay it Between, so that the second master controller 210 control relay drive circuit drives the actuating of relay.In the present embodiment, the first relay Coil one end and disconnecting switch module altogether, one end is connect through relay drive circuit with the second master controller 210, and is being connect Closure/disconnection when receiving the control signal of the second master controller 210, to control power input in the first relay closure Other circuit modules on AC-in output AC power source to power module 140, power supply 130 and master control borad 100, Huo Zhe When first relay is closed, stop powering to master control borad 100.

Referring to FIG. 1 and FIG. 2, in an alternative embodiment, second electronic switch 160 is the second relay, described the The first end of two relay coils is connect with the ground terminal GND of the power supply 130；The second of second relay coil End is the controlled end of second electronic switch 160, the stationary contact of second relay and first electronic switch 150 Output end connection, the movable contact of second relay are connect with the input terminal of the power module 140.

In the present embodiment, the second electronic switch 160 can be realized using relay, contactor or breaker, this reality It applies example and is chosen as relay to realize, it is to be understood that in the first master controller 110 using controllers such as single-chip microcontrollers come real It is existing, the second electronic switch 160 using relay come when realizing, the operating voltage of the first master controller 110 be generally 3.3V or 5V, and the driving voltage of relay is generally 12V, in order to drive relay to work, is additionally provided with relay on master control borad 100 Driving circuit, such as transistor circuit, and relay drive circuit is arranged in series in the first master controller 110 and the relay Between, so that the first master controller 110 control relay drive circuit drives the actuating of relay.In the present embodiment, second after Altogether, one end is connect through relay drive circuit with the first master controller 110 for coil one end of electric appliance and disconnecting switch module, and Closure/disconnection when receiving the control signal of the first master controller 110, to control power supply in the second relay closure Other circuit modules on input terminal AC-in output AC power source to power module 140 and master control borad 100, or second When relay is closed, stop powering to power module 140.

Referring to FIG. 1 and FIG. 2, in an alternative embodiment, the master control borad 100 be additionally provided with isolated power supply output end VCC, Ground terminal GND, switch signal input end CTL and two first signal transmission end (signal sending end TXD and signal receiving ends RXD), the display board 200 be provided with the isolated power supply output end VCC, ground terminal GND, switch signal input end CTL and Isolated power supply input terminal AC-in, ground terminal GND, the switching signal output end that two the first signal transmission end connect one to one And two second signal transmission end.

Further, the control panel is provided with the first connection-peg, is provided with the second connection-peg on the display board 200, The isolated power supply output end VCC, ground terminal GND, switch signal input end CTL and two the first signal transmission end are set to institute It states in the first connection-peg, the isolated power supply input terminal AC-in, ground terminal GND, switching signal output end and two second signals Transmission end is set in second connection-peg；

First connection-peg and second connection-peg are mutually inserted adaptation, or are realized and be electrically connected by connector.

It is understood that master control borad 100 is with the terminals on display board 200 to use during practical application Connection-peg realizes, can also be by connector, such as winding displacement or five-core cable are realized, to realize display board 200 and main It is detachably connected between control plate 100, such setting is conducive to the installation corresponding with master control borad 100 of display board 200 and air conditioner pair In the installation region answered.

Referring to FIG. 1 and FIG. 2, in an alternative embodiment, the power supply 130 is Unisolated switch power supply 120, described The input terminal of Unisolated switch power supply 120 be the power supply 130 input terminal, the Unisolated switch power supply 120 it is defeated Outlet is the output end of the power supply 130；

The Unisolated switch power supply 120, for 130 voltage of power supply to be converted to DC voltage, for institute State the power supply of the first master controller 110.

In the present embodiment, Unisolated switch power supply 120 can use EMI filter capacitor, filter inductance, rectifier bridge, decompression The components such as chip, outputting inductance and output capacitance realize that the alternating current that will be accessed, such as the alternating current of 220V rectified After filtering and decompression processing, the first master controller 110 and the power supply 130 of other circuit modules are converted into, in the present embodiment Power supply 130 is chosen as 5V, 12V or 24V.

Referring to FIG. 1 and FIG. 2, it in an alternative embodiment, is additionally provided on the master control borad 100 multiple for driving load The third relay 170 of work, the first end of multiple 170 coils of third relay respectively with the Unisolated switch power supply 120 output end connection, the second ends of multiple 170 coils of third relay are multiple with first master controller 110 Second control terminal connects one to one.

In the present embodiment, the stationary contact and movable contact of third relay 170 are arranged in series in power input AC-in and use Between electric loading, the quantity of third relay can be one, be also possible to multiple, can specifically to realize according to air conditioner function Can be carried out setting, the present embodiment is chosen as four, four relays be respectively labeled as relay 1, relay 2, relay 3, after Electric appliance 4.It is understood that being also arranged in series relay driving electricity between the first master controller 110 and third relay Road, after the control signal that the first master controller 110 exports is carried out isolation enhanced processing by relay drive circuit, output to third Relay, to control third relay closure/disconnection, to drive corresponding load, such as blower, four-way valve, electric heating mould Block or anion fine-purification module.

Referring to FIG. 1 and FIG. 2, in an alternative embodiment, the power module 140 includes pfc circuit 141 and IPM module 142, the controlled end of the pfc circuit 141 and IPM module 142 is connect with first master controller 110 respectively, the PFC electricity The input terminal on road 141 is the input terminal of the power module 140, the output end of the pfc circuit 141 and the IPM module 142 Input connection, the output end of the IPM module 142 is for accessing compressor electric motor.

In the present embodiment, power module 140 further includes rectifier bridge, defeated after direct current for the alternating current of input to be converted into Out.Pfc circuit 141 can be realized using other components such as PFC switch, diode, storage capacitor, inductance to DC power supply Active PFC.In the present embodiment, multiple power switch tubes, multiple power switch tube compositions are integrated in IPM module 142 Inversion bridge circuit is driven, such as three-phase inversion bridge circuit can be made of six power switch tubes, or by four power switch Pipe forms two-phase inverter bridge circuit.Wherein, each power switch tube can be realized using metal-oxide-semiconductor or IGBT.Multiple power Switching tube forms power inverting bridge circuit, and pfc circuit 141 and IPM module 142 connect with the first master controller 110 respectively, with When pfc circuit 141 receives the control signal of the first master controller 110 output, after carrying out Active PFC to the power supply of input, IPM module 142 is exported, when receiving the logic control signal of the first master controller 110 output, output corresponds to IPM module 142 Power supply to compressor, to adjust the frequency of compressor, realize the frequency control to compressor.

Referring to FIG. 1 and FIG. 2, in a preferred embodiment, it is additionally provided on the master control borad 100 for realizing described second Master controller 210 communicates the isolation communicating circuit 180 being isolated, the isolation communicating circuit 180 with first master controller 110 It is arranged in series between second master controller 210 and first master controller 110.

It should be noted that need to be electrically connected by connecting line mostly between display board 200 and master control borad 100, the Data-signal between one master controller 110 and the second master controller 210 needs long range serial transmission, interferes on line very greatly, The isolation communicating circuit 180 of the present embodiment can be realized using the one-way conductions such as optocoupler, diode element, to inhibit on line Common mode interference, thus avoid the first master controller 110 and the second master controller 210 it is mutual seal in interference, in addition, first leads The power supply 130 of 210 the two of controller 110 and the second master controller may be inconsistent, may be used also by the way that communicating circuit 180 is isolated When guaranteeing that the power supply of both the first master controller 110 and the second master controller 210 mismatches, it is not burned out.

Referring to FIG. 1 and FIG. 2, in a preferred embodiment, it is additionally provided with EMI filter circuit 190 on the master control borad 100, The EMI filter circuit 190 is arranged in series between power input AC-in and the first electronic switch 150.The EMI filter circuit 190 can be realized using elements such as inductance element and capacity cells, to filter out the electromagnetic interference generated on power line.

Referring to FIG. 1 and FIG. 2, in an alternative embodiment, it is additionally provided with voltage conversion circuit 220 on the display board 200, It is defeated that the voltage conversion circuit 220 is arranged in series the power supply in the isolating switch power 120 and second master controller 210 Enter to hold between AC-in；

The voltage conversion circuit 220, the direct current for exporting the isolating switch power 120 carry out voltage conversion After export to second master controller 210, with for second master controller 210 power supply.

In the present embodiment, voltage conversion circuit 220 can be realized using filter capacitor, three-terminal regulator chip such as 7805 After the DC power supply that isolating switch power 120 exports is depressured on output to the second master controller 210 and display board 200 Other circuit modules to provide operating voltage for the second master controller 210, such as the direct current of 12V or 15V can be converted To be exported after the direct current of 5V or 3.3V to the power end of the second master controller 210.

Referring to FIG. 1 and FIG. 2, in an alternative embodiment, be additionally provided on the display board 200 display module 230 and by Key circuit 240, the input terminal of the display module 230 are connect with the control terminal of second master controller 210, the key electricity The output end on road 240 is connect with the input terminal of second master controller 210.

It is understood that display board 200 may be mounted on the panel of air conditioner, display module 230 can use LCD Display screen, LED display are realized, and the control based on the second master controller 210, to show the operating parameter of air conditioner, example Such as temperature, wind speed etc..Starting key, crucial key, wind speed that key circuit 240 can be used for receiving user's triggering adjust etc. by Key signals, and be converted into after voltage signal output to the second master controller 210, so that the second master controller 210 is by corresponding electricity Signal, namely control signal is pressed to export to the first master controller 110, with driving power module 140 and corresponding second relay 160 work.

Referring to FIG. 1 and FIG. 2, it in an alternative embodiment, is additionally provided on the display board 200 for realizing described second The wireless communication line 250 of master controller 210 and external communications equipment communication connection.

In the present embodiment, wireless communication line 250 can use WIFI module, and infrared receiving module or bluetooth module come Realize, to receive the control instruction that user is exported based on mobile terminals such as remote control, mobile phones, and will receive control instruction export to Second master controller 210, so that the second master controller 210 exports the corresponding voltage signal, namely control signal to first Master controller 110, thus driving power module 140 and the work of corresponding second relay 160.

Referring to FIG. 1 and FIG. 2, in an alternative embodiment, the display board 200 is additionally provided with stepper motor 260, the step Controlled end into motor 260 is connect with second master controller 210.

In the present embodiment, stepper motor 260 can be used for driving the loaded work pieces such as the panel of air conditioner, pendulum leaf, stepping electricity Driving circuit is additionally provided between machine 260 and the second master controller 210, driving circuit is receiving the second master controller 210 When controlling signal, driving stepper motor 260 works, so that stepper motor 260 is made to drive panel, pendulum leaf movement, so that panel Air outlet or pendulum leaf carry out pendulum wind.

Referring to FIG. 1 and FIG. 2, in an alternative embodiment, it is additionally provided with temperature collection circuit 270 on the display board 200, The output end of the temperature collection circuit 270 is connect with second master controller 210.

In the present embodiment, temperature collection circuit 270 can be used for acquiring the temperature of room temperature or air outlet, and will adopt Output is to the second master controller 210 at after corresponding voltage signal for the temperature transition collected, so that the second master controller 210 should Corresponding voltage signal is exported to the first master controller 110, with driving power module 140 and corresponding second relay, 160 work Make.

The utility model also proposes that a kind of air conditioner, the air conditioner include electrically-controlled component as described above.This automatically controlled group The detailed construction of part can refer to above-described embodiment, and details are not described herein again；It is understood that due in the utility model air conditioner In used above-mentioned electrically-controlled component, therefore, the embodiment of the utility model air conditioner includes above-mentioned electrically-controlled component whole embodiments Whole technical solutions, and technical effect achieved is also identical, and details are not described herein.

The foregoing is merely the alternative embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of electrically-controlled component, which is characterized in that the electrically-controlled component includes:

Master control borad is provided with power input, the first master controller, power supply, disconnecting switch for accessing AC power source Power supply, power module, current limiting element, the first electronic switch and the second electronic switch；

First electronic switch and second electronic switch are sequentially connected in series and are set to power input and the power module Input terminal between, the input terminal of the power supply is connect with the output end of first electronic switch, the power supply Output end connect with the power end of first master controller；First control terminal of first master controller and described second The controlled end of electronic switch connects, and the second control terminal of first master controller is connect with the controlled end of the power module； The current limiting element is arranged in parallel with second electronic switch；

Display board is provided with the second master controller, and the input terminal of the isolating switch power is connect with the power input, institute The output end for stating isolating switch power is electrically connected with the power end of second master controller；The control of second master controller End is connect with the controlled end of first electronic switch, second master controller and the first master controller communication connection.

2. electrically-controlled component as described in claim 1, which is characterized in that second master controller, for receiving booting When controlling signal, the first electronic switch closure is controlled, is powered with controlling the power supply to first master controller； Second master controller also with the first master controller communication connection so that second described in first main controller controls Electronic switch closure.

3. electrically-controlled component as described in claim 1, which is characterized in that first electronic switch is the first relay, described The first end of first relay coil is connect with the ground terminal of the isolating switch power；The second of first relay coil End is the controlled end of first electronic switch, and the stationary contact of first relay is connect with the power input, described The movable contact of first relay is connect with the input terminal of the input terminal of second electronic switch and the power supply respectively.

4. electrically-controlled component as described in claim 1, which is characterized in that second electronic switch is the second relay, described The first end of second relay coil is connect with the ground terminal of the power supply；The second end of second relay coil is The output end of the controlled end of second electronic switch, the stationary contact of second relay and first electronic switch connects It connects, the movable contact of second relay is connect with the input terminal of the power module.

5. electrically-controlled component as described in claim 1, which is characterized in that the master control borad be additionally provided with isolated power supply output end, Ground terminal, switch signal input end and two the first signal transmission end, the display board is provided with to be exported with the isolated power supply Isolated power supply input terminal that end, ground terminal, switch signal input end and two the first signal transmission end connect one to one, ground connection End, switching signal output end and two second signal transmission end.

6. electrically-controlled component as claimed in claim 5, which is characterized in that the master control borad is provided with the first connection-peg, described aobvious Show and is provided with the second connection-peg on plate, the isolated power supply output end, ground terminal, switch signal input end and two the first signals Transmission end is set in first connection-peg, the isolated power supply input terminal, ground terminal, switching signal output end and two Binary signal transmission end is set in second connection-peg；

First connection-peg and second connection-peg are mutually inserted adaptation, or are realized and be electrically connected by connector.

7. electrically-controlled component as described in claim 1, which is characterized in that the power supply is Unisolated switch power supply, described The input terminal of Unisolated switch power supply is the input terminal of the power supply, and the output end of the Unisolated switch power supply is described The output end of power supply；

The Unisolated switch power supply, for the power supply voltage to be converted to DC voltage, for first master control Device power supply processed.

8. electrically-controlled component as claimed in claim 7, which is characterized in that be additionally provided on the master control borad multiple negative for driving The third relay of work is carried, the first end of multiple third relay coils is defeated with the Unisolated switch power supply respectively Multiple third control terminals of outlet connection, the second ends of multiple third relay coils and first master controller are one by one It is correspondingly connected with.

9. the electrically-controlled component as described in claim 1 to 8 any one, which is characterized in that the power module includes pfc circuit And IPM module, the controlled end of the pfc circuit and IPM module are connect with first master controller respectively, the pfc circuit Input terminal be the power module input terminal, the output end of the pfc circuit connect with the input of the IPM module, institute The output end of IPM module is stated for accessing compressor electric motor.

10. a kind of air conditioner, which is characterized in that including electrically-controlled component as claimed in any one of claims 1 to 9.