CN103423842A - Air conditioner and method for controlling off-peak starting thereof - Google Patents
Air conditioner and method for controlling off-peak starting thereof Download PDFInfo
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Abstract
The invention provides an air conditioner and a method for controlling off-peak starting thereof. A control device of the air conditioner comprises a variable generating unit, a data storage unit, a delay timing unit, a comparison unit and a compressor control unit; the variable generating unit is used for generating a time variable; the data storage unit is connected with the variable generating unit and is used for storing the time variable; the delay timing unit is used for acquiring a time value for timing when the air conditioner is powered on again and timing starts to be carried out; the comparison unit is used for comparing the time value for timing with the time variable generated by the variable generating unit to obtain an instruction for determining whether a compressor of the air conditioner is permitted to be started or not, and the time value for timing is transmitted by the delay timing unit; the comparison unit is respectively connected with the data storage unit and the delay timing unit; the compressor control unit is used for controlling actions of the compressor of the air conditioner, is connected with the comparison unit and receives the instruction of the comparison unit. The air conditioner and the method have the advantages that influence of a start moment of an air conditioning load on a local power grid can be reduced, and accordingly the stability of the local power grid can be guaranteed.
Description
Technical field
The present invention relates to domestic air conditioning equipment, particularly relate to the control method of avoiding the peak hour and starting of a kind of air-conditioner and air-conditioner.
Background technology
The part air-conditioner of selling on domestic market, perhaps the air-conditioning products of overseas sales is with the power-failure memory function, when air-conditioning is used peak period, for example, when local electrical network (: entire building space ,Yi Ge community, certain a slice area even) has a power failure, while again powering again, will there be a large amount of air-conditionings to start operation according to original running status simultaneously.Because compressor of air conditioner belongs to inductive load, the electric current that starts moment may be more than 3 times of rated current, electrical network is impacted, will cause the tripping of partial electric grid air switch because dash current is excessive, or line voltage reduces and to cause the phenomenon that in partial electric grid, electric equipment can't normally move, cause the partial electric grid cisco unity malfunction.
Summary of the invention
The object of the present invention is to provide a kind of air-conditioner, can reduce the air-conditioning load and start the impact of moment on partial electric grid, guarantee the stability of partial electric grid.
In addition, another object of the present invention is to provide a kind of startup control method of avoiding the peak hour of air-conditioner, has reduced the air-conditioning load and has started the impact of moment on partial electric grid, guarantees the stability of partial electric grid.
The present invention is achieved through the following technical solutions:
Air-conditioner, include control device; Wherein, described control device includes:
The variable generating unit, in order to produce a time variable;
Data storage cell, be connected with described variable generating unit, in order to store described time variable;
The time delay timing unit, in order to beginning timing after re-powering when air-conditioning, obtain the timing time value;
Comparing unit, the time variable value produced in order to the timing time value by the transmission of time delay timing unit and variable generating unit compares, and draws the instruction that whether allows compressor of air conditioner to start; Described comparing unit is connected respectively with data storage cell, time delay timing unit;
Compressor control unit, in order to control the compressor of air conditioner action; Described compressor control unit is connected with comparing unit, and accepts the instruction of described comparing unit.
Described variable generating unit is a kind of cycle count unit, and in order to produce a period t1, described period t1 is time variable.Perhaps, described variable generating unit is a kind of stochastic variable generating unit, and in order to produce a stochastic variable, described stochastic variable is time variable.
A kind of control method of avoiding the peak hour and starting of air-conditioner, be applied in above-mentioned air-conditioner, and wherein, the variable generating unit of air conditioner controlling device is under the air-conditioner "on" position, and the variable generating unit produces a time variable; While re-powering after the air-conditioning outage, the time delay timing unit starts timing, obtains the timing time value; Comparing unit reads time variable value and timing time value, and compares the size of time variable and timing time value, draws the instruction that whether allows compressor of air conditioner to start; Compressor control unit is accepted the instruction of described comparing unit, controls the compressor of air conditioner action.
When described comparing unit is greater than or equal to described time variable value in described timing time value, send the instruction that allows compressor of air conditioner to start; When described comparing unit is less than described time variable value in described timing time value, sends and do not allow to control the instruction that compressor of air conditioner starts.
The cycle count unit of air conditioner controlling device is stored in period t1 value in data storage cell after producing a period t1.
The period t1 that the timing time value that comparing unit sends the time delay timing unit and cycle count unit produce compares, when the timing time value is more than or equal to t1, compressor control unit could allow compressor of air conditioner to start, and t1 is the compressor delay start time after air-conditioning re-powers.
Beneficial effect of the present invention is as follows:
In order to guarantee the air-conditioning system pressure balance, existing air conditioning control device generally all is designed with the minimum dwell time T (can be understood as the minimum time interval of twice startup of compressor) of compressor, and this time is generally certain value, as T=180s.The startup control method of avoiding the peak hour of the air-conditioner of the application of the invention and air-conditioner, stagger the start-up time in the time of can making a large amount of air-conditionings resume operation to a certain extent, and can guarantee the air-conditioning system pressure balance.The present invention is by a variable generating unit of design, produce a time variable, calculate after air-conditioning cuts off the power supply the timing time value after re-powering by the time delay timing unit, the size of more described time variable and timing time value, when delay time is greater than or equal to described time variable value, send the instruction that allows to start compressor, air conditioning control device is controlled compressor action according to described instruction; Otherwise do not allow compressor action.Because time variable is random the generation, so the time variable value on different air-conditionings may be not identical, when a large amount of air-conditionings need resume operation again because of the power-failure memory function, different air-conditionings, if the time variable difference of its generation, stagger to a certain extent its start-up time so, reduce the impact on electrical network of moment that a large amount of air-conditioning loads start simultaneously.While having reduced after the partial electric grid power down again to power, startup moment impact on electrical network when in electrical network, air-conditioning equipment move because of the power-failure memory functional rehabilitation.
The accompanying drawing explanation
Fig. 1 is that air-conditioner of the present invention is realized the functional module structure schematic diagram of avoiding the peak hour and starting;
Produce the schematic flow sheet of stochastic variable step in the control method started of avoiding the peak hour that Fig. 2 is air-conditioner of the present invention;
The schematic flow sheet of storage stochastic variable step in the control method started of avoiding the peak hour that Fig. 3 is air-conditioner of the present invention;
In the control method started of avoiding the peak hour that Fig. 4 is air-conditioner of the present invention, compressor start is controlled the schematic flow sheet of step.
The specific embodiment
Specific embodiment:
In order to solve the problems of the prior art, a kind of air-conditioner has been proposed, include control device; As shown in Figure 1, air-conditioner, include control device; It is characterized in that, described control device includes:
The variable generating unit, in order to produce a time variable;
Data storage cell, be connected with described variable generating unit, in order to store described time variable;
The time delay timing unit, in order to beginning timing after re-powering when air-conditioning, obtain the timing time value;
Comparing unit, the time variable value produced in order to the timing time value by the transmission of time delay timing unit and variable generating unit compares, and draws the instruction that whether allows compressor of air conditioner to start; Described comparing unit is connected respectively with data storage cell, time delay timing unit;
Compressor control unit, in order to control the compressor of air conditioner action; Described compressor control unit is connected with comparing unit, and accepts the instruction of described comparing unit.
Described variable generating unit is a kind of cycle count unit, and in order to produce one by period t1, described period t1 is time variable.
The startup control method of avoiding the peak hour of above-mentioned air-conditioner, the variable generating unit of air conditioner controlling device is under the air-conditioner "on" position, and the variable generating unit produces a time variable; While re-powering after the air-conditioning outage, the time delay timing unit starts timing, obtains the timing time value; Comparing unit reads time variable value and timing time value, and compares the size of time variable or timing time value, draws the instruction that whether allows compressor of air conditioner to start; Compressor control unit is accepted the instruction of described comparing unit, controls the compressor of air conditioner action.
Further, when described comparing unit is greater than or equal to described time variable value in described timing time value, send the instruction that allows compressor of air conditioner to start; When described comparing unit is less than described time variable value in described timing time value, sends and do not allow to control the instruction that compressor of air conditioner starts.
Further, the cycle count unit of air conditioner controlling device, under the air-conditioner "on" position, starts cycle count, and when control device receives the operational order of air-conditioner, the period t1 that the cycle count unit will produce at that time is sent to data storage cell; While re-powering after the air-conditioning outage, the time delay timing unit starts timing, obtains the timing time value; The period t1 that the timing time value that comparing unit sends the time delay timing unit and cycle count unit produce compares, and draws the instruction that whether allows compressor of air conditioner to start; Compressor control unit is accepted the instruction of described comparing unit, controls the compressor of air conditioner action.
During the cycle count unit cycle count of air conditioner controlling device, after receiving an operational order, circulation clocking value at that time is stored in data storage cell.
Described data storage cell is memory chip, also can not lose the data of storage under off-position.
The period t1 that the timing time value that comparing unit sends the time delay timing unit and cycle count unit produce compares, when the timing time value is more than or equal to period t1, compressor control unit could allow compressor of air conditioner to start, and period t1 is the compressor delay start time after air-conditioning re-powers.
As shown in Figure 2, producing period t1 step is:
A1 starts;
A2 judges whether in this way, to enter a3 to the unit timing time, as no, enters a6;
The timing that adds up of a3 cycle count unit, unit timing time of every mistake adds 1 automatically to t1, enters a4;
A4 judges whether t1 >=n, in this way, enters a5, as no, enters a6;
A5 period t1 value resets;
The a6 cycle count.
In step a4, n=195.
The cycle count scope of above-mentioned cycle count unit is 165s≤t1≤195s.
As shown in Figure 3, storage period t1 step is:
B1 starts;
The b2 air conditioner controlling device judges whether to receive new operational order, in this way, enters b3, as no, enters b5;
Whether the operational order that the b3 air conditioner controlling device judging distance last time receives has arrived the setting delay time, in this way, enters b4, as no, enters b5;
B4 is stored in the value of current period t1 in data storage cell, and covers the loop count of last storage, enters b5;
This stored routine of b5 finishes, and waits for next time and carries out this program.
In above-mentioned steps b3, preferably, the setting delay time is 2s.
That is: in storage period t1 step, after air conditioner controlling device receives new button or guidance command, as do not received new control command in 2s, the value of current t1 variable is stored in data storage cell.
As shown in Figure 4, compressor start control step is:
Compressor start is controlled step:
C1 starts;
Before the c2 air conditioner controlling device judges power down, air-conditioning, whether in the start running status, in this way, enters c4, as no, enters c3;
The standby of c3 air-conditioner;
After the judgement of c4 air conditioner controlling device re-powers, postpone timing time and whether be more than or equal to the t1 value, in this way, enter c5, as no, enter c7;
The c5 air conditioner controlling device has judged whether refrigeration or has heated demand, in this way, enters c6, as no, enters c7;
The c6 compressor control unit allows compressor of air conditioner to start;
The c7 compressor does not allow to start.
That is: power down under the air-conditioning open state, re-power, the compressor start control flow is: air-conditioning power down under open state, after re-powering, air-conditioning recovers operational mode before open state and power down (eg: freeze, heat, dehumidify, automatically), now compressor start need meet simultaneously, and a, delay start time are more than or equal to t1; B, refrigeration is arranged or heat demand.
In order to guarantee the air-conditioning system pressure balance, existing air conditioning control device generally all is designed with minimum T interval time that starts of compressor, and this time is generally certain value, as T=180s.
The electrification control method of avoiding the peak hour of the air-conditioner of the present embodiment, stagger the start-up time in the time of can making a large amount of air-conditionings resume operation to a certain extent, and can guarantee the air-conditioning system pressure balance.The cycle count unit of control device under electricity condition unit timing time of every mistake period t1 value is automatically circulated and adds one within the specific limits, in the present embodiment, the unit timing time was 1 second.When control device receives operational order, t1 value at that time is stored in memory cell.The time that receives remote control or key commands due to every air-conditioning is random, so the t1 value be stored in memory chip is also a stochastic variable.In the present embodiment, cycle count unit period cycle count in 165s to 195s, the air-conditioning of installing in certain building (can be also other local power net) is all the product that adopts this Model Design of using electricity in off-peak hours, when air-conditioning under the start duty after power down again when electric, air conditioning control device will be controlled compressor by time delay t1, (165s≤t1≤195s) second puts into operation, because t1 is a random quantity between 165～195, therefore added up according to probability, the air-conditioning quantity put into operation at synchronization will be that the compressor start delay time is 1/31 of definite value design.
Perhaps, in another kind of embodiment, the control module of air-conditioner includes the stochastic variable generating unit, produces a stochastic variable ts, and stochastic variable ts is the random value in 165～195 scope.After air-conditioning start operation compressor, when control device receives the operational order of air-conditioner or while receiving power-off signal, the stochastic variable ts of generation is stored in storage element.After air-conditioner is switched on again, the timing unit in control device starts timing, if control module determines air-conditioner, need to move compressor, when timing time is more than or equal to the ts value, allows operation of air-conditioner.
Described variable generating unit is a kind of stochastic variable generating unit, and in order to produce a stochastic variable, described stochastic variable is time variable.
Described control device also includes: data storage cell, described data storage cell is connected with the variable generating unit, the stochastic variable produced in order to store the stochastic variable generating unit.
The stochastic variable generating unit of above-mentioned air conditioner controlling device, under the air-conditioner "on" position, produces a stochastic variable; While re-powering after the air-conditioning outage, the time delay timing unit starts timing, obtains the timing time value; The random variable values that the timing time value that comparing unit sends the time delay timing unit and stochastic variable generating unit produce compares, and draws the instruction that whether allows compressor of air conditioner to start; Compressor control unit is accepted the instruction of described comparing unit, controls the compressor of air conditioner action.
Described stochastic variable ts value is 165s≤ts≤195s.
Because stochastic variable ts is any stochastic variable between 165～195, therefore, the time that air-conditioning restarts is also random, just can make stagger the start-up time of a large amount of air-conditionings.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (15)
1. air-conditioner, include control device; It is characterized in that, described control device includes:
The variable generating unit, in order to produce a time variable;
Data storage cell, be connected with described variable generating unit, in order to store described time variable;
The time delay timing unit, in order to beginning timing after re-powering when air-conditioning, obtain the timing time value;
Comparing unit, the time variable value produced in order to the timing time value by the transmission of time delay timing unit and variable generating unit compares, and draws the instruction that whether allows compressor of air conditioner to start; Described comparing unit is connected respectively with data storage cell, time delay timing unit;
Compressor control unit, in order to control the compressor of air conditioner action; Described compressor control unit is connected with comparing unit, and accepts the instruction of described comparing unit.
2. air-conditioner according to claim 1, is characterized in that, described variable generating unit is a kind of cycle count unit, and in order to produce a period t1, described period t1 is time variable.
3. air-conditioner according to claim 1, is characterized in that, described variable generating unit is a kind of stochastic variable generating unit, and in order to produce a stochastic variable, described stochastic variable is time variable.
4. the control method that an air-conditioner is avoided the peak hour and started, it is characterized in that, described control method is applied on air-conditioner as described as the claims 1 to 3 any one, the variable generating unit of air conditioner controlling device is under the air-conditioner "on" position, the variable generating unit produces a time variable, and time variable is stored in to described data storage cell; While re-powering after the air-conditioning outage, the time delay timing unit starts timing, obtains the timing time value; Comparing unit reads time variable value and timing time value, and compares the size of time variable and timing time value, draws the instruction that whether allows compressor of air conditioner to start; Compressor control unit is accepted the instruction of described comparing unit, controls the compressor of air conditioner action.
5. the control method of avoiding the peak hour and starting of air-conditioner according to claim 4, is characterized in that: when described comparing unit is greater than or equal to described time variable value in described timing time value, send the instruction that allows compressor of air conditioner to start; When described comparing unit is less than described time variable value in described timing time value, sends and do not allow to control the instruction that compressor of air conditioner starts.
6. the control method of avoiding the peak hour and starting of air-conditioner according to claim 5, is characterized in that, the stochastic variable generating unit of air conditioner controlling device, under the air-conditioner "on" position, produces a stochastic variable; While re-powering after the air-conditioning outage, the time delay timing unit starts timing, obtains the timing time value; The random variable values that the timing time value that comparing unit sends the time delay timing unit and stochastic variable generating unit produce compares, and draws the instruction that whether allows compressor of air conditioner to start; Compressor control unit is accepted the instruction of described comparing unit, controls the compressor of air conditioner action.
7. the control method of avoiding the peak hour and starting of air-conditioner according to claim 6, is characterized in that, described stochastic variable ts value is 165s≤ts≤195s.
8. the control method of avoiding the peak hour and starting of air-conditioner according to claim 5, it is characterized in that, the cycle count unit of air conditioner controlling device, under the air-conditioner "on" position, starts cycle count, and the cycle count unit is sent to data storage cell by the period t1 of generation; While re-powering after the air-conditioning outage, the time delay timing unit starts timing, obtains the timing time value; The period t1 that the timing time value that comparing unit sends the time delay timing unit and cycle count unit produce compares, and draws the instruction that whether allows compressor of air conditioner to start; Compressor control unit is accepted the instruction of described comparing unit, controls the compressor of air conditioner action.
9. the control method of avoiding the peak hour and starting of air-conditioner according to claim 8, is characterized in that, during the cycle count unit cycle count of air conditioner controlling device, after receiving an operational order, circulation clocking value at that time is stored in data storage cell.
10. the control method of avoiding the peak hour and starting of air-conditioner according to claim 9, is characterized in that, produces period t1 step to be:
A1 starts;
A2 judges whether in this way, to enter a3 to the unit timing time, as no, enters a6;
The timing that adds up of a3 cycle count unit, unit timing time of every mistake adds 1 automatically to t1, enters a4;
A4 judges whether t1 >=n, in this way, enters a5, as no, enters a6;
A5 period t1 value resets;
The a6 cycle count.
11. the control method of avoiding the peak hour and starting of air-conditioner according to claim 10, is characterized in that, in step a4, and n=195.
12. the control method of avoiding the peak hour and starting of air-conditioner according to claim 9, it is characterized in that: the cycle count scope of cycle count unit is 165s≤t1≤195s.
13. the control method of avoiding the peak hour and starting of air-conditioner according to claim 9, is characterized in that, storage period t1 step is:
B1 starts;
The b2 air conditioner controlling device judges whether to receive new operational order, in this way, enters b3, as no, enters b5;
Whether the operational order that the b3 air conditioner controlling device judging distance last time receives has arrived the setting delay time, in this way, enters b4, as no, enters b5;
B4 is stored in the value of current period t1 in data storage cell, and covers the loop count of last storage, enters b5;
This stored routine of b5 finishes, and waits for next time and carries out this program.
14. the control method of avoiding the peak hour and starting of air-conditioner according to claim 13 is characterized in that, in above-mentioned steps b3, the setting delay time is 2s.
15. the control method of avoiding the peak hour and starting of air-conditioner according to claim 9, is characterized in that, compressor start is controlled step and is:
C1 starts;
Before the c2 air conditioner controlling device judges power down, air-conditioning, whether in the start running status, in this way, enters c4, as no, enters c3;
The standby of c3 air-conditioner;
After the judgement of c4 air conditioner controlling device re-powers, postpone timing time and whether be more than or equal to the t1 value, in this way, enter c5, as no, enter c7;
The c5 air conditioner controlling device has judged whether refrigeration or has heated demand, in this way, enters c6, as no, enters c7;
The c6 compressor control unit allows compressor of air conditioner to start;
The c7 compressor does not allow to start.
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| CN104005942A (en) * | 2014-06-13 | 2014-08-27 | 广东美的暖通设备有限公司 | Starting method of compressors of heat pump system and hot water unit |
| CN105024434A (en) * | 2015-08-11 | 2015-11-04 | 广东美的厨房电器制造有限公司 | Power supply control system of vehicle-mounted electric appliance and power supply control method thereof |
| CN105022324A (en) * | 2015-07-30 | 2015-11-04 | 陕西理工学院 | Overload protection and energy saving system of water dispenser in dormitory based on single-chip microcomputer |
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| CN104005942B (en) * | 2014-06-13 | 2016-04-27 | 广东美的暖通设备有限公司 | The starting method of the compressor of heat pump and Hot water units |
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| CN105024434A (en) * | 2015-08-11 | 2015-11-04 | 广东美的厨房电器制造有限公司 | Power supply control system of vehicle-mounted electric appliance and power supply control method thereof |
| CN106196724B (en) * | 2016-07-28 | 2018-09-28 | 广东芬尼克兹节能设备有限公司 | Multigroup unit is staggered into the control method of preset state |
| CN106196724A (en) * | 2016-07-28 | 2016-12-07 | 广东芬尼克兹节能设备有限公司 | Many group units stagger and enter the control method of preset state |
| CN109269035A (en) * | 2016-12-05 | 2019-01-25 | 珠海格力电器股份有限公司 | The control method and control device and air-conditioning system of air conditioner load delay start |
| CN108006907A (en) * | 2017-11-09 | 2018-05-08 | 珠海格力电器股份有限公司 | Air conditioner start-up control method and device |
| CN108006907B (en) * | 2017-11-09 | 2020-03-06 | 珠海格力电器股份有限公司 | Air conditioner starting control method and device |
| CN110081562A (en) * | 2019-05-13 | 2019-08-02 | 宁波奥克斯电气股份有限公司 | A kind of compressor start control method, device and air conditioner |
| CN110356425A (en) * | 2019-08-02 | 2019-10-22 | 石家庄国祥运输设备有限公司 | The starting method of rail traffic compressor of air conditioner |
| CN111351174A (en) * | 2020-03-23 | 2020-06-30 | 宁波奥克斯电气股份有限公司 | Control method and device of air conditioner, air conditioner and storage medium |
| CN111351174B (en) * | 2020-03-23 | 2021-08-06 | 宁波奥克斯电气股份有限公司 | Control method and device of air conditioner, air conditioner and storage medium |
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