CN103363629B - The controller of air-conditioner and control method and air-conditioner - Google Patents
The controller of air-conditioner and control method and air-conditioner Download PDFInfo
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Abstract
The invention discloses a kind of controller of air-conditioner and control method and air-conditioner.Wherein, the controller of air-conditioner comprises: indoor set mainboard, is connected with demand response electric equipment, for detecting the mode of operation of demand response electric equipment; And off-premises station mainboard, be connected with indoor set mainboard, the mode of operation for detecting according to indoor set mainboard regulates the running frequency of compressor.By the present invention, solve air-conditioner in prior art and easily reduce the problem in compressor life-span when performing Australia standard A S4755, and then reach air-conditioner at execution Australia standard A S? the effect in compressor operating life-span is not affected when 4755.
Description
Technical field
The present invention relates to air-conditioner field, in particular to a kind of controller of air-conditioner and control method and air-conditioner.
Background technology
Along with people's living standard improves day by day, the use of air-conditioner is very universal, like this in the area that some network load is large, summer period, due to common people's using air-condition device of huge numbers of families, often cause and use general power to exceed network load, power plant has to carry out power cuts to limit consumption to this situation, brings very big inconvenience to production and life.
In the standard A S4755 of Australia, a kind of framework and technical standard of power grid control have clearly been proposed, proposing government in standard can select the actual motion power limit of the electrical equipments such as controls local area air-conditioner at 75% or 50% or 0% of rated power according to network load situation, electrical network issues limit control instruction frequently by demand response electric equipment (DemandResponseElectricalDevice is called for short DRED) to electrical equipments such as air-conditioners.The operation principle of the air-conditioner of this supply standard of adaptation occurred in the market is: regular start-stop compressor, reduce air-conditioner operation time, with make complete machine within one period of stipulated time with a certain proportion of rated power under run, to reach energy saving object.But, perform the air-conditioner of such mode of operation due to frequent start-stop compressor, not only reduce the compressor life-span, and the comfortableness effect being supplied to user be also bad.
Easily reducing the problem in compressor life-span for air-conditioner in correlation technique when performing Australia standard A S4755, not yet proposing effective solution at present.
Summary of the invention
Main purpose of the present invention is to provide a kind of controller of air-conditioner and control method and air-conditioner, easily reduces the problem in compressor life-span to solve air-conditioner in prior art when performing Australia standard A S4755.
To achieve these goals, according to an aspect of the present invention, provide a kind of controller of air-conditioner, comprising: indoor set mainboard, be connected with demand response electric equipment, for detecting the mode of operation of demand response electric equipment; And off-premises station mainboard, be connected with indoor set mainboard, the mode of operation for detecting according to indoor set mainboard regulates the running frequency of compressor.
Further, indoor set mainboard comprises: indoor set main board power supply power supply, is connected with the signal control end of demand response electric equipment; Voltage sampling circuit, the signal input part of voltage sampling circuit is connected with the signal output part of demand response electric equipment; Analog to digital conversion circuit, the analog input end of analog to digital conversion circuit is connected with the signal output part of voltage sampling circuit; And first main control chip, be connected between the digital output end of analog to digital conversion circuit and off-premises station mainboard.
Further, voltage sampling circuit comprises: the first divider resistance, is connected with the signal output part of demand response electric equipment; Second divider resistance, is connected between the first divider resistance and signal ground; And current-limiting resistance, first end is connected to first node, and between the analog input end of the second end and analog to digital conversion circuit, wherein, first node is the node between the first divider resistance and the second divider resistance.
Further, first divider resistance comprises: the first resistance, and the first end of the first resistance is connected with the first relay of demand response electric equipment, and the second end of the first resistance is connected with the second divider resistance, wherein, first node is the node between the first resistance and the second divider resistance; Second resistance, the first end of the second resistance is connected with the second relay of demand response electric equipment, and the second end of the second resistance is connected to first node; And the 3rd resistance, the first end of the 3rd resistance is connected with the 3rd relay of demand response electric equipment, and the second end of the 3rd resistance is connected to first node.
Further, voltage sampling circuit also comprises: clamp supply; First electric capacity, between the first end being connected to the first resistance and signal ground; Second electric capacity, between the first end being connected to the second resistance and signal ground; 3rd electric capacity, between the first end being connected to the 3rd resistance and signal ground; 4th electric capacity, is connected between Section Point and the 3rd node, and wherein, Section Point is the node between the second divider resistance and signal ground, and the 3rd node is the node between the analog input end of current-limiting resistance and analog to digital conversion circuit; And diode, the anode of diode is connected to the 3rd node, and the negative electrode of diode is connected to clamp supply.
Further, off-premises station mainboard comprises: storage chip; And second main control chip, be connected respectively with storage chip with the first main control chip, for reading the frequency values corresponding with the mode of operation of demand response electric equipment and the compressor controlling air-conditioner runs according to the frequency values read from storage chip, wherein, in storage chip, store frequency values corresponding to different working modes.
To achieve these goals, according to a further aspect in the invention, provide a kind of control method of air-conditioner, comprising: the mode of operation detecting demand response electric equipment; And the running frequency of compressor is regulated according to the mode of operation of the demand response electric equipment detected.
Further, the mode of operation detecting demand response electric equipment comprises: the indoor set mainboard of air-conditioner detects the mode of operation of demand response electric equipment; And the mode of operation detected is sent to the off-premises station mainboard of air-conditioner by indoor set mainboard, the running frequency of compressor is regulated to comprise according to the mode of operation of the demand response electric equipment detected: the mode of operation that in off-premises station mainboard receiving chamber, mainboard detects; And off-premises station mainboard regulates the running frequency of compressor according to the mode of operation detected.
Further, off-premises station mainboard regulates the running frequency of compressor to comprise according to the mode of operation detected: read the frequency values corresponding with the mode of operation detected, wherein, store frequency values corresponding to different working modes in the off-premises station mainboard of air-conditioner; And control compressor according to the frequency values operation read.
Further, the mode of operation of the indoor set mainboard detection demand response electric equipment of air-conditioner comprises: the mode of operation of indoor set mainboard to demand response electric equipment detects in real time.
Further, the mode of operation that in off-premises station mainboard receiving chamber, mainboard detects, off-premises station mainboard regulates the running frequency of compressor to comprise according to the mode of operation that detects: off-premises station mainboard the first mode of operation that mainboard detects in receiving chamber successively and the second mode of operation, wherein, the mode of operation of the first mode of operation demand response electric equipment that to be indoor set mainboard detect in the first moment, the mode of operation of the second mode of operation demand response electric equipment that to be indoor set mainboard detect in the second moment, second moment was the moment adjacent with the first moment, and after being engraved in for the first moment when second, off-premises station mainboard judges that whether the second mode of operation is identical with the first mode of operation, if off-premises station mainboard judges that the second mode of operation is identical with the first mode of operation, then off-premises station mainboard continues the running frequency regulating compressor according to the first mode of operation detected, if and off-premises station mainboard judges that the second mode of operation is not identical with the first mode of operation, then timing time corresponding for timing variable resets with reclocking by off-premises station mainboard, and the running frequency of compressor is regulated according to the second mode of operation detected, wherein, timing variable is for representing that off-premises station mainboard performs the time of any operative pattern detected, off-premises station mainboard performs any operative pattern detected and comprises the running frequency of off-premises station mainboard according to any operative mode tuning compressor detected.
Further, if off-premises station mainboard judges that the second mode of operation is identical with the first mode of operation, then off-premises station mainboard continues to regulate the running frequency of compressor to comprise according to the first mode of operation detected: off-premises station mainboard judges whether the timing time that timing variable is corresponding reaches Preset Time; If off-premises station mainboard judges that the timing time that timing variable is corresponding reaches Preset Time, then timing time corresponding for timing variable is reset also again the mode of operation of the demand response electric equipment that mainboard detects in receiving chamber by off-premises station mainboard; And if off-premises station mainboard judges that the timing time that timing variable is corresponding does not reach Preset Time, then off-premises station mainboard continues the running frequency regulating compressor according to the first mode of operation detected.
Further, after off-premises station mainboard regulates the running frequency of compressor according to the second mode of operation detected, control method also comprises: off-premises station mainboard judges whether the timing time that timing variable is corresponding reaches Preset Time; And when off-premises station mainboard judges that the timing time that timing variable is corresponding reaches Preset Time, timing time corresponding for timing variable is reset also again the mode of operation of the demand response electric equipment that mainboard detects in receiving chamber by off-premises station mainboard.
Further, the mode of operation of the indoor set mainboard detection demand response electric equipment of air-conditioner comprises: the voltage of the signal output part of sample requirement reaction electric equipment; The magnitude of voltage relatively sampled and the size of preset value; And according to the mode of operation of comparative result determination demand response electric equipment.
Further, preset value comprises preset number amount, after the voltage of the signal output part of sample requirement reaction electric equipment, control method also comprises: the magnitude of voltage sampled is carried out analog-to-digital conversion, obtain first digital quantity corresponding with the magnitude of voltage sampled, wherein, the size comparing magnitude of voltage and the preset value sampled comprises: the size comparing the first digital quantity and preset number amount.
Further, the mode of operation of demand response electric equipment comprises first resource pattern, Secondary resource pattern and information resources pattern, wherein, the relatively size of the first digital quantity and preset number amount, mode of operation according to comparative result determination demand response electric equipment comprises: compare the first digital quantity and the first preset number amount, the size of the second preset number amount and the 3rd preset number amount, wherein, first preset number amount is the voltage digital amount of the signal output part of demand response electric equipment corresponding to first resource pattern, second preset number amount is the voltage digital amount of the signal output part of demand response electric equipment corresponding to Secondary resource pattern, 3rd preset number amount is the voltage digital amount of the signal output part of demand response electric equipment corresponding to information resources pattern, if it is identical with the first preset number amount to compare the first digital quantity, then determine that demand response electric equipment is in first resource pattern, if it is identical with the second preset number amount to compare the first digital quantity, then determine that demand response electric equipment is in Secondary resource pattern, if and it is identical with the 3rd preset number amount to compare the first digital quantity, then determine that demand response electric equipment is in information resources pattern.
To achieve these goals, according to a further aspect in the invention, provide a kind of air-conditioner, comprise the controller of any one air-conditioner that foregoing of the present invention provides.
By the present invention, adopt the controller comprising following structure air-conditioner: indoor set mainboard, is connected with demand response electric equipment, for detecting the mode of operation of demand response electric equipment, and off-premises station mainboard, be connected with indoor set mainboard, mode of operation for detecting according to indoor set mainboard regulates the running frequency of compressor, the operate power of compressor is specifically regulated by the different working modes residing for the demand response electric equipment detected, avoid in prior art and perform by controlling compressor start-stop the drawback that Australia standard A S4755 brings, solve air-conditioner in prior art and easily reduce the problem in compressor life-span when performing Australia standard A S4755, and then reach air-conditioner does not affect compressor operating life-span effect when performing Australia standard A S4755.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the controller according to the embodiment of the present invention;
Fig. 2 is the connection diagram according to the indoor set mainboard interface of the controller of the embodiment of the present invention and the signal output part of DRED;
Fig. 3 is the circuit diagram of the voltage sampling circuit according to the embodiment of the present invention;
Fig. 4 is the flow chart of the control method according to the embodiment of the present invention; And
Fig. 5 is the flow chart of control method according to the preferred embodiment of the invention.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Embodiments provide a kind of controller of air-conditioner, Fig. 1 is the schematic diagram of the controller according to the embodiment of the present invention, as shown in Figure 1, the controller of this embodiment comprises air conditioner room unit and controls mainboard and air-conditioner outdoor unit control mainboard, particularly, indoor set mainboard can be connected with DRED equipment by RJ45 network cable jack, and the signal output part of DRED is connected to the voltage sampling circuit of indoor set mainboard, and the signal control end of DRED is connected with the 12V power supply of indoor set mainboard; Indoor set mainboard and off-premises station mainboard carry out communication connection and electrical connection respectively by connection and electric lead.Wherein, the connection of DRED equipment and indoor set mainboard interface as shown in Figure 2, DRED device interior is made up of 3 relays, the light current+12V control signal of relay takes from indoor set mainboard+12V power supply, further, DRED equipment is connected to the DRED mode signal sample circuit of indoor set mainboard by indoor set mainboard interface, as shown in Figure 3, in circuit, the action principle of each device is listed below the physical circuit figure of sample circuit:
+ 5V: the clamp voltage of sample circuit;
+ 12V: the supply voltage of indoor set mainboard;
C1, C2, C3, C4: filtering sampled signal clutter;
R1, R2, R3, R5: sampled signal dividing potential drop sample resistance;
R4: sampled signal input current-limiting resistance;
D1: sampled signal input clamper protection diode;
After DRED receives extraneous limit frequency control signal, certain relay meeting adhesive (any moment only has at most a relay to be in attracting state) in DRED equipment, + 12V forms loop by relay and sample circuit device like this, at the magnitude of voltage of sample circuit output terminals A electricity is:
Wherein, the sampling divider resistance value in sample circuit corresponding when resistance Ri represents different relay adhesive in DRED equipment.
If when the external world does not have control signal to input, DRED equipment repeat circuit is all in off-state, and now, the sample voltage value of A point is 0 always.
Due in design sample circuit, each sampling resistor the mode of operation of DRED corresponding when connecting relay in DRED and each relay closes be known, so, the main control chip of indoor set mainboard can determine the mode of operation of DRED according to sampled voltage U, indoor set mainboard sends it to off-premises station mainboard after the mode of operation of DRED being detected, after off-premises station mainboard receives the instruction of DRED mode operation, by program process, real-time sampling is carried out to the running current of air-conditioner complete machine on the one hand, and the operating voltage of the current value obtained according to sampling by the main control chip of off-premises station mainboard and air-conditioner calculates complete machine operate power, from EEPROM, power limitation runtime value corresponding to previous this DRED pattern write is read on the other hand according to the DRED mode operation instruction received, the actual motion power calculated is compared with power limitation, if the actual motion power calculated is less than or equal to limit power frequently corresponding to DRED mode of operation that indoor set mainboard detects, then off-premises station mainboard can not adjust the running frequency of compressor, if but the actual motion power calculated is greater than limit power frequently corresponding to DRED mode of operation that indoor set mainboard detects, then regulate the running frequency of compressor, make the complete machine power of air-conditioner be less than or equal to the DRED mode of operation detected and obtain power limitation, when carrying out the restriction of air-conditioner complete machine power, the power that interior machine consumes also is taken into account.Wherein, if air-conditioner is in oil return running status, then the overall frequency of air-conditioner is not adjusted.
Wherein, DRED mode of operation comprises following three patterns:
DRED1 pattern (first resource pattern): make the load of air-conditioner be in 0 frequency running status, that is, load is closed;
DRED2 pattern (Secondary resource pattern): make the power consumption in air-conditioner complete machine 30min be less than or equal to 50% rated energy consumption;
DRED3 pattern (information resources pattern): make the power consumption in air-conditioner complete machine 30min be less than or equal to 75% rated energy consumption.
The controller of the embodiment of the present invention is by detecting the specific works pattern of DRED, regulate the carrying out practically frequency of cooler compressor, and then guarantee that the operate power of air-conditioner complete machine meets Australia standard A S4755, solve air-conditioner in prior art and easily reduce the problem in compressor life-span when performing Australia standard A S4755, and then reach air-conditioner does not affect compressor operating life-span effect when performing Australia standard A S4755, simultaneously, because the controller of the embodiment of the present invention stops when opening during compressor without the need to making when carrying out air-conditioner limit frequency, avoid air-conditioner in prior art and affect the drawback of user's comfortableness when performing Australia standard A S4755.
Meanwhile, the controller of the embodiment of the present invention only adds a four-core generic needle holder and several surface-mounted device, the mainboard of relative conventional air-conditioning device on indoor set mainboard, and the cost of the controller of this embodiment of the present invention increases negligible.
Further, the indoor set mainboard of the embodiment of the present invention adopts software and hardware combining mode to detect DRED equipment working state in real time, if detected, DRED mode signal inputs, the sampled voltage U of A point is converted to digital quantity by A/D sample mode by interior machine control program, and sampled voltage U is converted to digital quantity by following formula by indoor set mainboard:
Wherein, H represents the digital quantity that sampled voltage U is corresponding, and indoor set mainboard master chip is 8 A/D, and its supply voltage is 5V.
To be sampled the H value be confirmed by A/D, final H value and the target number value of design are compared judgement, to draw the instruction of concrete DRED mode operation, and mode signal is sent to off-premises station according to standard communication protocol immediately.Illustrate, if the H value presetting DRED1 pattern corresponding is the first preset number amount, the H value presetting DRED2 pattern corresponding is the second preset number amount, the H value presetting DRED3 pattern corresponding is the 3rd preset number amount, then can doing and to judge as follows: when the H value obtained when being sampled by A/D is as the first preset number amount, determining that DRED is in DRED1 pattern; When the H value obtained when being sampled by A/D is the second preset number amount, determine that DRED is in DRED2 pattern; When the H value obtained when being sampled by A/D is the 3rd preset number amount, determine that DRED is in DRED3 pattern.
The embodiment of the present invention additionally provides a kind of control method of air-conditioner, the controller of the air-conditioner that the control method of this embodiment can be provided by the embodiment of the present invention performs, Fig. 4 is the flow chart of the control method according to the embodiment of the present invention, as shown in Figure 4, the control method of this embodiment comprises step S402 and step S404.
S402: the mode of operation detecting demand response electric equipment.Particularly, what can be provided by the controller of the embodiment of the present invention is detected by the sample circuit in indoor set mainboard, then determine the mode of operation of DRED according to sampled voltage, and will detect that the mode of operation of DRED sends to the off-premises station mainboard of air-conditioner.
S404: the running frequency regulating compressor according to the mode of operation of the demand response electric equipment detected.Particularly, after off-premises station mainboard receives the instruction of DRED mode operation, by program process, real-time sampling is carried out to the running current of air-conditioner complete machine on the one hand, and the operating voltage of the current value obtained according to sampling by the main control chip of off-premises station mainboard and air-conditioner calculates complete machine operate power, from EEPROM, power limitation runtime value corresponding to previous this DRED pattern write is read on the other hand according to the DRED mode operation instruction received, the actual motion power calculated is compared with power limitation, if the actual motion power calculated is less than or equal to limit power frequently corresponding to DRED mode of operation that indoor set mainboard detects, then off-premises station mainboard can not adjust the running frequency of compressor, if but the actual motion power calculated is greater than limit power frequently corresponding to DRED mode of operation that indoor set mainboard detects, then regulate the running frequency of compressor, make the complete machine power of air-conditioner be less than or equal to the DRED mode of operation detected and obtain power limitation, when carrying out the restriction of air-conditioner complete machine power, the power that interior machine consumes also is taken into account.
Wherein, DRED mode of operation comprises following three patterns:
DRED1 pattern (first resource pattern): make the load of air-conditioner be in 0 frequency running status, that is, load is closed;
DRED2 pattern (Secondary resource pattern): make the power consumption in air-conditioner complete machine 30min be less than or equal to 50% rated energy consumption;
DRED3 pattern (information resources pattern): make the power consumption in air-conditioner complete machine 30min be less than or equal to 75% rated energy consumption.
The control method of the embodiment of the present invention is by detecting the specific works pattern of DRED, regulate the carrying out practically frequency of cooler compressor, solve air-conditioner in prior art and easily reduce the problem in compressor life-span when performing Australia standard A S4755, and then reach air-conditioner does not affect compressor operating life-span effect when performing Australia standard A S4755.
Further, the control method of the embodiment of the present invention can also realize in the following manner when determining the mode of operation of DRED according to sampled voltage:
By analog to digital conversion circuit, sampled voltage is converted to digital quantity, illustrates, 8 A/D chip power voltage 5V can be adopted to carry out analog-to-digital conversion, then conversion formula is:
Wherein, H represents the digital quantity that sampled voltage U is corresponding.
The H value be confirmed by A/D chip, is compared judgement by final H value and the target number value of design, to draw the instruction of concrete DRED mode operation, and mode signal is sent to off-premises station according to standard communication protocol immediately.Illustrate, if the H value presetting DRED1 pattern corresponding is the first preset number amount, the H value presetting DRED2 pattern corresponding is the second preset number amount, the H value presetting DRED3 pattern corresponding is the 3rd preset number amount, then can do and to judge as follows: when the H value obtained by A/D chip is as the first preset number amount, determine that DRED is in DRED1 pattern; When the H value obtained by A/D chip is the second preset number amount, determine that DRED is in DRED2 pattern; When the H value obtained by A/D chip is the 3rd preset number amount, determine that DRED is in DRED3 pattern.
Further, consider the fluctuation of voltage x current under different situations, off-premises station mainboard can be chosen suitable feedback circuit to carry out when controlling the running frequency of compressor as the case may be, such as: adopt class PI control method to control the input current etc. of compressor.
Simultaneously, during owing to requiring that DRED pattern performs in the standard A S4755 of Australia with 30 minutes for benchmark carries out calculating running time, in the control method of the preferred embodiment of the present invention as shown in Figure 5, at indoor set mainboard by after detecting that the mode of operation of DRED sends to off-premises station mainboard, the pattern that the mode of operation that current time all receives by off-premises station mainboard and eve receive carry out contrast judge both whether identical, and control air-conditioner according to following two kinds of modes respectively according to judged result:
One, off-premises station mainboard judges that the mode of operation of the DRED that current time receives is identical with the mode of operation of the front DRED once received, now, the mode of operation that off-premises station mainboard continues to receive according to previous moment regulates the running frequency of compressor, in the process according to this mode tuning compressor operating frequency, judge whether the time of implementation responding this pattern reaches 30 minutes, if do not reach 30 minutes, then continue this pattern of response, if reached, then no longer continue this pattern of response, and off-premises station mainboard is run timing time clearing according to the adjustment of this mode tuning compressor operating frequency, then off-premises station mainboard judges whether the instruction of the DRED mode of operation received from indoor set mainboard, if have received, whether that then again carries out that the operating mode instruction that judges to receive and last time receive is identical, if do not received, then air-conditioner complete machine exits response DRED pattern,
Two, off-premises station mainboard judges that the mode of operation of the DRED that current time receives is not identical with the mode of operation of the front DRED once received, now, the mode of operation received according to the last time regulates the adjustment of compressor operating frequency to run timing time and resets by off-premises station mainboard, to be switched to the DRED pattern that response newly detects, the running frequency of compressor is regulated to make the operate power of air-conditioner complete machine be less than or equal to the limit power frequently of the mode of operation of the DRED received according to the DRED mode of operation newly received, equally, off-premises station mainboard is performing in the process of DRED mode of operation newly received carrying out timing the running time of the DRED pattern performed, and judge whether the time of implementation reaches the 30 minutes minimum time cycle of operation of DRED pattern, if do not reach 30 minutes, then continue this pattern of response, if reached, then no longer continue this pattern of response, and off-premises station mainboard is run timing time clearing according to the adjustment of this mode tuning compressor operating frequency, then off-premises station mainboard judges whether the instruction of the DRED mode of operation received from indoor set mainboard, if have received, whether that then again carries out that the operating mode instruction that judges to receive and last time receive is identical, if do not received, then air-conditioner complete machine exits response DRED pattern, and namely the DRED mode operation time at 30 minutes, doubles in basis.The control method of the embodiment of the present invention is while the running frequency of adjusted compressor, off-premises station mainboard can also send response confirmation signal to indoor set mainboard, the mode of operation of the DRED that off-premises station can respond by indoor set mainboard shows on indoor set display, interior machine can by two 8 display respective code, the corresponding display of DRED1, DRED2, DRED3 " d1 ", " d2 ", " d3 ".
The control method of the preferred embodiment of the present invention achieves the effect adjusting air-conditioner operate power within the stipulated time of Australia standard A S4755.
In addition, the embodiment of the present invention additionally provides a kind of air-conditioner, and this air-conditioner can be any air-conditioner comprising the controller that the embodiment of the present invention provides, and also can be any air-conditioner that have employed the control method that the embodiment of the present invention provides.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (16)
1. a controller for air-conditioner, is characterized in that, comprising:
Indoor set mainboard, is connected with demand response electric equipment, for detecting the mode of operation of described demand response electric equipment; And
Off-premises station mainboard, is connected with described indoor set mainboard, and the mode of operation for detecting according to described indoor set mainboard regulates the running frequency of compressor,
Described indoor set mainboard comprises:
Indoor set main board power supply power supply, is connected with the signal control end of described demand response electric equipment;
Voltage sampling circuit, the signal input part of described voltage sampling circuit is connected with the signal output part of described demand response electric equipment;
Analog to digital conversion circuit, the analog input end of analog-digital conversion circuit as described is connected with the signal output part of described voltage sampling circuit; And
First main control chip, is connected between the digital output end of analog-digital conversion circuit as described and described off-premises station mainboard.
2. controller according to claim 1, is characterized in that, described voltage sampling circuit comprises:
First divider resistance, is connected with the signal output part of described demand response electric equipment;
Second divider resistance, is connected between described first divider resistance and signal ground; And
Current-limiting resistance, first end is connected to first node, and between the analog input end of the second end and analog-digital conversion circuit as described, wherein, described first node is the node between described first divider resistance and described second divider resistance.
3. controller according to claim 2, is characterized in that, described first divider resistance comprises:
First resistance, the first end of described first resistance is connected with the first relay of described demand response electric equipment, second end of described first resistance is connected with described second divider resistance, and wherein, described first node is the node between described first resistance and described second divider resistance;
Second resistance, the first end of described second resistance is connected with the second relay of described demand response electric equipment, and the second end of described second resistance is connected to described first node; And
3rd resistance, the first end of described 3rd resistance is connected with the 3rd relay of described demand response electric equipment, and the second end of described 3rd resistance is connected to described first node.
4. controller according to claim 3, is characterized in that, described voltage sampling circuit also comprises:
Clamp supply;
First electric capacity, between the first end being connected to described first resistance and described signal ground;
Second electric capacity, between the first end being connected to described second resistance and described signal ground;
3rd electric capacity, between the first end being connected to described 3rd resistance and described signal ground;
4th electric capacity, be connected between Section Point and the 3rd node, wherein, described Section Point is the node between described second divider resistance and described signal ground, and described 3rd node is the node between the analog input end of described current-limiting resistance and analog-digital conversion circuit as described; And
Diode, the anode of described diode is connected to described 3rd node, and the negative electrode of described diode is connected to described clamp supply.
5. controller according to claim 2, is characterized in that, described off-premises station mainboard comprises:
Storage chip; And
Second main control chip, be connected respectively with described storage chip with described first main control chip, for reading the frequency values corresponding with the mode of operation of described demand response electric equipment and the compressor controlling described air-conditioner runs according to the frequency values read from described storage chip, wherein, in described storage chip, frequency values corresponding to different working modes is stored.
6. a control method for air-conditioner, is characterized in that, performs described control method by the controller of the air-conditioner according to any one of claim 1 to 5, and wherein, described control method comprises:
Detect the mode of operation of demand response electric equipment; And
The running frequency of compressor is regulated according to the mode of operation of the described demand response electric equipment detected.
7. control method according to claim 6, is characterized in that,
The mode of operation detecting demand response electric equipment comprises: the indoor set mainboard of air-conditioner detects the mode of operation of demand response electric equipment; And the described mode of operation detected is sent to the off-premises station mainboard of described air-conditioner by described indoor set mainboard,
The running frequency of compressor is regulated to comprise according to the mode of operation of the described demand response electric equipment detected: described off-premises station mainboard receives the mode of operation that described indoor set mainboard detects; And described off-premises station mainboard regulates the running frequency of described compressor according to the described mode of operation detected.
8. control method according to claim 7, is characterized in that, described off-premises station mainboard regulates the running frequency of described compressor to comprise according to the described mode of operation detected:
Read the frequency values corresponding with the described mode of operation detected, wherein, in the off-premises station mainboard of described air-conditioner, store frequency values corresponding to different working modes; And
Control described compressor to run according to the frequency values read.
9. control method according to claim 7, is characterized in that, the mode of operation of the indoor set mainboard detection demand response electric equipment of air-conditioner comprises: the mode of operation of described indoor set mainboard to described demand response electric equipment detects in real time.
10. control method according to claim 9, is characterized in that, described off-premises station mainboard receives the mode of operation that described indoor set mainboard detects, described off-premises station mainboard regulates the running frequency of described compressor to comprise according to the described mode of operation detected:
Described off-premises station mainboard receives the first mode of operation and the second mode of operation that described indoor set mainboard detects successively, wherein, the mode of operation of the described first mode of operation described demand response electric equipment that to be described indoor set mainboard detect in the first moment, the mode of operation of the described second mode of operation described demand response electric equipment that to be described indoor set mainboard detect in the second moment, described second moment is the moment adjacent with described first moment, and after being engraved in described first moment when described second;
Described off-premises station mainboard judges that whether the second mode of operation is identical with described first mode of operation;
If described off-premises station mainboard judges that described second mode of operation is identical with described first mode of operation, then described off-premises station mainboard continues the running frequency regulating described compressor according to described first mode of operation detected; And
If described off-premises station mainboard judges that described second mode of operation is not identical with described first mode of operation, then timing time corresponding for timing variable resets with reclocking by described off-premises station mainboard, and the running frequency of described compressor is regulated according to described second mode of operation detected, wherein, described timing variable is for representing that described off-premises station mainboard performs the time of any operative pattern detected, described off-premises station mainboard performs the running frequency that any operative pattern detected comprises described off-premises station mainboard compressor according to any operative mode tuning detected.
11. control methods according to claim 10, it is characterized in that, if described off-premises station mainboard judges that described second mode of operation is identical with described first mode of operation, then described first mode of operation that described off-premises station mainboard continues according to detecting regulates the running frequency of described compressor to comprise:
Described off-premises station mainboard judges whether the timing time that described timing variable is corresponding reaches Preset Time;
If described off-premises station mainboard judges that the timing time that described timing variable is corresponding reaches described Preset Time, then timing time corresponding for described timing variable resets and again receives the mode of operation of the described demand response electric equipment that described indoor set mainboard detects by described off-premises station mainboard; And
If described off-premises station mainboard judges that the timing time that described timing variable is corresponding does not reach described Preset Time, then described off-premises station mainboard continues the running frequency regulating described compressor according to described first mode of operation detected.
12. control methods according to claim 10, is characterized in that, after described off-premises station mainboard regulates the running frequency of described compressor according to described second mode of operation detected, described control method also comprises:
Described off-premises station mainboard judges whether the timing time that described timing variable is corresponding reaches Preset Time; And
When described off-premises station mainboard judges that the timing time that described timing variable is corresponding reaches described Preset Time, timing time corresponding for described timing variable resets and again receives the mode of operation of the described demand response electric equipment that described indoor set mainboard detects by described off-premises station mainboard.
13. control methods according to claim 7, is characterized in that, the mode of operation of the indoor set mainboard detection demand response electric equipment of air-conditioner comprises:
To sample the voltage of signal output part of described demand response electric equipment;
The magnitude of voltage relatively sampled and the size of preset value; And
The mode of operation of described demand response electric equipment is determined according to comparative result.
14. control methods according to claim 13, is characterized in that, described preset value comprises preset number amount, and after the voltage of the signal output part of the described demand response electric equipment of sampling, described control method also comprises:
The magnitude of voltage sampled is carried out analog-to-digital conversion, obtains first digital quantity corresponding with the magnitude of voltage sampled,
Wherein, the size comparing magnitude of voltage and the preset value sampled comprises: the size of more described first digital quantity and preset number amount.
15. control methods according to claim 14, it is characterized in that, the mode of operation of described demand response electric equipment comprises first resource pattern, Secondary resource pattern and information resources pattern, wherein, the size of more described first digital quantity and preset number amount, determine that the mode of operation of described demand response electric equipment comprises according to comparative result:
The size of more described first digital quantity and the first preset number amount, the second preset number amount and the 3rd preset number amount, wherein, described first preset number amount is the voltage digital amount of the signal output part of described demand response electric equipment corresponding to described first resource pattern, described second preset number amount is the voltage digital amount of the signal output part of described demand response electric equipment corresponding to described Secondary resource pattern, and described 3rd preset number amount is the voltage digital amount of the signal output part of described demand response electric equipment corresponding to described information resources pattern;
If it is identical with described first preset number amount to compare described first digital quantity, then determine that described demand response electric equipment is in described first resource pattern;
If it is identical with described second preset number amount to compare described first digital quantity, then determine that described demand response electric equipment is in described Secondary resource pattern; And
If it is identical with described 3rd preset number amount to compare described first digital quantity, then determine that described demand response electric equipment is in described information resources pattern.
16. 1 kinds of air-conditioners, is characterized in that, comprise the controller of the air-conditioner according to any one of claim 1 to 5.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103940046B (en) * | 2014-04-24 | 2017-02-15 | 广东志高空调有限公司 | Method and system for updating data of frequency conversion outdoor plate controller and associated equipment |
| CN105605730B (en) * | 2015-12-18 | 2018-12-21 | 奥克斯空调股份有限公司 | A kind of customized method of air conditioning electricity load |
| CN113531828B (en) * | 2021-07-08 | 2023-01-13 | 青岛海尔空调器有限总公司 | Control method of air conditioner |
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| CN103363629A (en) | 2013-10-23 |
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