CN102506488B - Control method of air conditioner dehumidification mode control device - Google Patents

Control method of air conditioner dehumidification mode control device Download PDF

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Publication number
CN102506488B
CN102506488B CN201110319817.1A CN201110319817A CN102506488B CN 102506488 B CN102506488 B CN 102506488B CN 201110319817 A CN201110319817 A CN 201110319817A CN 102506488 B CN102506488 B CN 102506488B
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temperature
time
control
contrast
dehumidification
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CN102506488A (en
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陈多聪
易万权
张煜胜
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Midea Group Co Ltd
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Midea Group Co Ltd
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Abstract

The invention relates to a control method of an air conditioner dehumidification mode control device. The control device comprises an acquisition device, a timer, a judgment device and an executor, wherein the timer is used for counting time and giving feedbacks to the judgment device, and the executor executes a dehumidification mode according to the result of comparative judgment of the judgment device or the feedbacks of the timer. The control method is characterized in that the dehumidification mode comprises a refrigeration dehumidification operation mode and a heating drying operation mode; and after the dehumidification mode is enabled, an air conditioner default ventilation function is enabled, the acquisition device acquires ambient temperature TE4, then the ambient temperature TE4 parameter acquired by the acquisition device is transmitted to the judgment device to make a comparative judgment, and the executor executes the refrigeration dehumidification operation mode or the heating drying operation mode according to the result of the comparative judgment. The control method not only has the advantage that the operation of the two operation modes can be reasonably controlled on the premise that the dehumidification effect is guaranteed to be good, but also has the advantages that the structure of the common system is almost not required to be modified, the system is simple, the cost is not increased and the control method is simple.

Description

The control method of the control device of air conditioner dehumidification mode
Technical field
The present invention relates to air-conditioner, specifically a kind of control method of control device of air conditioner dehumidification mode.
Background technology
In prior art, with the air-conditioning of special dehumidification function, can accomplish isothermal dehumidifying, temperature indoor during operation approximately declines 2 ℃, and comfortableness is good, has overcome the shortcoming of conventional air-conditioning device refrigerating, dehumidifying.Its equipment need to have an outdoor heat exchanger and two indoor heat exchangers, or outdoor heat exchanger and each additional powerful electric heater of indoor heat exchanger.
The former coolant system as shown in Figure 1.During dehumidifying operation, compressor 1 is discharged high temperature and high pressure gas, through cross valve 2, flows to outdoor heat exchanger 3; Now the 4th valve body 13 is closed, the 3rd valve body 12 is opened, the first valve body 6 is closed, the second valve body 11 is closed, because the 4th valve body 13 is closed, high temperature and high pressure gas is folded to and flows through the 3rd valve body 12, again because the first valve body 6 is closed, make high temperature and high pressure gas through indoor First Heat Exchanger 9 become geothermal liquid in high pressure, then because the second valve body 11 is closed and made in high pressure geothermal liquid through the second throttling arrangement 10; After the second throttling arrangement 10 throttlings, former high temperature and high pressure gas becomes low-pressure low-temperature gas liquid mixture, finally at indoor the second heat exchanger 8, is evaporated to low-temp low-pressure liquid and is sucked by compressor.Indoor air circulation system is that the second heat exchanger 8 that room air is inhaled into rear elder generation and low temperature carries out heat exchange, air themperature reduces and removes moisture in air, the air of being lowered the temperature carries out heat exchange with the indoor First Heat Exchanger 9 of high temperature again, and air themperature rises and reaches the object of constant temperature dehumidification.When freezing normally or heating, the first valve body 6 of system, the 3rd valve body 12 are closed, and the second valve body 11, the 4th valve body 13 are opened, the object that the commutation of process four-way reaches refrigeration or heats.
This system has had more a heat exchanger, throttling arrangement, several valve bodies and some pipelines than conventional air-conditioning system, has increased greatly cost, and control method is complicated a lot, easily breaks down.
The latter's coolant system as shown in Figure 2.During dehumidifying operation, in order to reach good effect on moisture extraction, during dehumidifying, the evaporating temperature of evaporimeter 14 is lower than the evaporating temperature of common refrigeration, lower through the indoor air temperature of evaporimeter 14; Because the indoor temperature that requires of comfort level can not be too low, thus use the room air of 15 pairs of process evaporimeters 14 of electric heater to carry out heat temperature raising, to reach the requirement of comfort level.This system and the large variation of conventional air-conditioning system nothing, cost can not increase, and control method is also simple, still, due to the use of electric heater 15, makes energy consumption greatly increase, and is unfavorable for energy-conservation.
Publication number is the dehumidifying job control method that the patent of CN1727770 discloses a kind of air-conditioning, dehumanization method logic described in above-mentioned the latter of dehumanization method logical AND of air-conditioning in this patent is similar, and Fig. 3 is the block diagram of the dehumidifying job control method of air-conditioning described in this patent.From figure, be not difficult to find out, this dehumidification control method is to judge by imposing a condition, and controls stopping of compressor and stopping of electric heater, realizes the object of constant temperature dehumidification.But it not only uses electric heater to increase energy consumption; Also likely due to the unreasonable setting of logical AND parameter in control method, and cause compressor and electric heater to be stopped frequently, reduce the service life of equipment.
Summary of the invention
For above-mentioned problem, the invention provides a kind of control method of control device of air conditioner dehumidification mode, with solve the control method that exists in above-mentioned prior art complicated, easily break down and the problem such as energy consumption is large.
For the attainment of one's purpose, the control method that the present invention adopts is as follows:
The control method of control device, control device comprises collector, timer, determining device and actuator, wherein said timer is for gate time and to determining device feedback,
Described actuator is carried out dehumidification mode according to the feedback of the contrast judged result of determining device or timer; It is characterized in that described dehumidification mode comprises refrigerated dehumidification and heats dry two kinds of methods of operation, after dehumidification mode starts, air-conditioner acquiescence ventilatory is opened, and described collector gathers environment temperature TE 4, the environment temperature TE then collector being collected 4parameter is passed to described determining device and is contrasted judgement by determining device, and according to the result of contrast judgement, actuator is carried out the refrigerated dehumidification method of operation or heated the dry method of operation.
Described determining device is according to the environment temperature TE being gathered by collector 4with default dehumidifier temperature T E acarry out when judgement,
A, when determining environment temperature TE through contrast 4>=dehumidifier temperature T E a, actuator is carried out the refrigerated dehumidification method of operation, and the refrigerated dehumidification method of operation in described dehumidification mode starts, and blower fan moves with high rotating speed, and timer starts timing, the full refrigerating scavenger time T I of timer timing atime, ventilatory is closed, and blower fan proceeds to slow-speed of revolution operation simultaneously; Now collector constantly gathers indoor temperature TE 1, and undertaken and the default cold temperature T E that stops by determining device bcontrast judgement, contrast judgment result is that indoor temperature TE 1the cold temperature T E that stops of < btime, compressor is out of service, otherwise continues operation, and collector keeps and gathers indoor temperature TE simultaneously 1and with default cooling start temperature TE ccontrast judgement, contrast judgment result is that indoor temperature TE 1>=cooling start temperature TE ctime, compressor starts again;
B, when determining environment temperature TE through contrast 4< dehumidifier temperature T E a, actuator is carried out and is heated the dry method of operation, and the dry method of operation that heats in described dehumidification mode starts, and blower fan moves with high rotating speed, and timer starts timing; Timer timing completely heats time of exchanging gas TI bafter close ventilatory;
Then collector is every acquisition time TI cgather one time indoor temperature TE 1, and by determining device according to gathered indoor temperature TE 1with default ventilation temperature T E dcontrast judgement, contrast judgment result is that indoor temperature TE 1< ventilation temperature T E dtime, collector is intermittently every acquisition time TI cgather one time indoor temperature TE 1and with default ventilation temperature T E dcontrast contrasts judgement, until judgment result is that indoor temperature TE 1> ventilation temperature T E dtime, starting ventilatory, blower fan moves with high rotating speed, and timer starts timing, and timer clocks and completely heats time of exchanging gas TI bafter close ventilatory; Now collector constantly gathers indoor temperature TE 1, and undertaken stopping temperature T E with default heat by determining device econtrast judgement, contrast judgment result is that indoor temperature TE 1>=heat stops temperature T E etime, compressor is out of service, otherwise continues operation, and collector keeps and gathers indoor temperature TE simultaneously 1and with default thermal starting temperature T E fcontrast judgement, contrast judgment result is that indoor temperature TE 1≤ thermal starting temperature T E ftime, compressor starts again.
When described actuator receives remote controller off signal or rotary-die type signal or dehumidification mode, exit signal, actuator is carried out and is exited dehumidification mode action.
When switching to refrigerating, dehumidifying dehumidification process by heating desiccant dehumidification process, all zero clearings of clocking of described timer.
Described acquisition time TI cbe 30 minutes, described dehumidifier temperature T E abe 20 ℃, the described cold temperature T E that stops bbe 12 ℃, described cooling start temperature TE cbe 15 ℃, described ventilation temperature T E dbe 31 ℃, described heat stops temperature T E ebe 37 ℃, described thermal starting temperature T E fbe 30 ℃, described refrigerating scavenger time T I aand heat time of exchanging gas TI bit is all 8 minutes.
The present invention's advantage is compared with prior art: has two kinds of methods of operation of refrigerated dehumidification and heat drying, can select wherein a kind of method of operation of operation according to environment temperature, and alternate run in two ways.When environment temperature is high, atmospheric moisture is high, and system is selected the refrigerated dehumidification method of operation, and effect on moisture extraction is good; When environment temperature is low, atmospheric moisture is lower, and refrigerated dehumidification DeGrain and choice for use heat dry more suitable.The present invention is not only guaranteeing that effect on moisture extraction has well the operation of rationally controlling above-mentioned two methods of operation under prerequisite, and compared with conventional system structure be used as hardly the not increase of change, the simple cost of system, control method is simple.
accompanying drawing explanation:
Fig. 1 is the system schematic A of the air-conditioner of prior art band constant-temperature dehumidifying function;
Fig. 2 is the system schematic B of the air-conditioner of prior art band constant-temperature dehumidifying function;
Fig. 3 is that publication number is the block diagram of the control method described in the patent of CN1727770;
Fig. 4 is the schematic block diagram of air conditioner controlling device;
Fig. 5 is the control method block diagram of dehumidification mode of the present invention.
Wherein, in figure: 1 is that compressor, 2 is that four energy thresholds, 3 are that outdoor heat exchanger, 4 is that outdoor fan, 5 is that first throttle device, 6 is that the first valve body, 7 is that indoor fan, 8 is that indoor the second heat exchanger, 9 is that indoor First Heat Exchanger, 10 is that the second throttling arrangement, 11 is that the second refrigerator body, 12 is that the 3rd valve body, 13 is that the 4th valve body, 14 is that indoor heat exchanger, 15 is electric heater.
the specific embodiment
below in conjunction with drawings and Examples, the present invention is described in further detail:
As shown in Figure 4, a kind of control method of control device of air conditioner dehumidification mode, control device comprises collector, timer, determining device and actuator, wherein said timer is for gate time and to determining device feedback, and described actuator is carried out dehumidification mode according to the feedback of the contrast judged result of determining device or timer; It is characterized in that described dehumidification mode comprises refrigerated dehumidification and heats dry two kinds of methods of operation, after dehumidification mode starts, air-conditioner acquiescence ventilatory is opened, and described collector gathers environment temperature TE 4, the environment temperature TE then collector being collected 4parameter is passed to described determining device and is contrasted judgement by determining device, and according to the result of contrast judgement, actuator is carried out the refrigerated dehumidification method of operation or heated the dry method of operation.
As shown in Figure 5, it comprises refrigerated dehumidification and heats dry two kinds of methods of operation, and control method is:
Described determining device is according to the environment temperature TE being gathered by collector 4with default dehumidifier temperature T E acarry out when judgement,
A, when determining environment temperature TE through contrast 4>=dehumidifier temperature T E a, actuator is carried out the refrigerated dehumidification method of operation, and the refrigerated dehumidification method of operation in described dehumidification mode starts, and blower fan moves with high rotating speed, and timer starts timing, the full refrigerating scavenger time T I of timer timing atime, ventilatory is closed, and blower fan proceeds to slow-speed of revolution operation simultaneously; Now collector constantly gathers indoor temperature TE 1, and undertaken and the default cold temperature T E that stops by determining device bcontrast judgement, contrast judgment result is that indoor temperature TE 1the cold temperature T E that stops of < btime, compressor is out of service, otherwise continues operation, and collector keeps and gathers indoor temperature TE simultaneously 1and with default cooling start temperature TE ccontrast judgement, contrast judgment result is that indoor temperature TE 1>=cooling start temperature TE ctime, compressor starts again; Described dehumidifier temperature T E abe 20 ℃, the cold temperature T E that stops bbe 12 ℃, cooling start temperature TE cbe 15 ℃, refrigerating scavenger time T I ait is 8 minutes.
B, when determining environment temperature TE through contrast 4< dehumidifier temperature T E a, actuator is carried out and is heated the dry method of operation, and the dry method of operation that heats in described dehumidification mode starts, and blower fan moves with high rotating speed, and timer starts timing; Timer timing completely heats time of exchanging gas TI bafter close ventilatory; Then collector is every acquisition time TI cgather one time indoor temperature TE 1, and by determining device according to collected indoor temperature TE 1with default ventilation temperature T E dcontrast judgement, contrast judgment result is that indoor temperature TE 1< ventilation temperature T E dtime, collector is intermittently every acquisition time TI cgather one time indoor temperature TE 1and with default ventilation temperature T E dcontrast contrasts judgement, until judgment result is that indoor temperature TE 1> ventilation temperature T E dtime, starting ventilatory, blower fan moves with high rotating speed, and timer starts timing, and timer clocks and completely heats time of exchanging gas TI bafter close ventilatory; Now collector constantly gathers indoor temperature TE 1, and undertaken stopping temperature T E with default heat by determining device econtrast judgement, contrast judgment result is that indoor temperature TE 1>=heat stops temperature T E etime, compressor is out of service, otherwise continues operation, and collector keeps and gathers indoor temperature TE simultaneously 1and with default thermal starting temperature T E fcontrast judgement, contrast judgment result is that indoor temperature TE 1≤ thermal starting temperature T E ftime, compressor starts again.Described dehumidifier temperature T E abe 20 ℃, ventilation temperature T E dbe 31 ℃, heat stops temperature T E ebe 37 ℃, thermal starting temperature T E fbe 30 ℃, acquisition time TI cbe 30 minutes, heat time of exchanging gas TI bit is all 8 minutes.
During use, when described actuator receives remote controller off signal or rotary-die type signal or dehumidification mode, exit signal, actuator is carried out and is exited dehumidification mode action.When switching to refrigerating, dehumidifying dehumidification process by heating desiccant dehumidification process, all timing zero clearings of described timer.

Claims (4)

1. the control method of the control device of an air conditioner dehumidification mode, control device comprises collector, timer, determining device and actuator, wherein said timer is for gate time and to determining device feedback, and described actuator is carried out dehumidification mode according to the feedback of the contrast judged result of determining device or timer; It is characterized in that described dehumidification mode comprises refrigerated dehumidification and heats dry two kinds of methods of operation, after dehumidification mode starts, air-conditioner acquiescence ventilatory is opened, and described collector gathers environment temperature TE 4, the environment temperature TE then collector being collected 4parameter is passed to described determining device and is contrasted judgement by determining device, and according to the result of contrast judgement, actuator is carried out the refrigerated dehumidification method of operation or heated the dry method of operation; Described determining device is according to the environment temperature TE being gathered by collector 4with default dehumidifier temperature T E acarry out when judgement,
A, when determining environment temperature TE through contrast 4>=dehumidifier temperature T E a, actuator is carried out the refrigerated dehumidification method of operation, and the refrigerated dehumidification method of operation in described dehumidification mode starts, and blower fan moves with high rotating speed, and timer starts timing, the full refrigerating scavenger time T I of timer timing atime, ventilatory is closed, and blower fan proceeds to slow-speed of revolution operation simultaneously; Now collector constantly gathers indoor temperature TE 1, and undertaken and the default cold temperature T E that stops by determining device bcontrast judgement, contrast judgment result is that indoor temperature TE 1the cold temperature T E that stops of < btime, compressor is out of service, otherwise continues operation, and collector keeps and gathers indoor temperature TE simultaneously 1and with default cooling start temperature TE ccontrast judgement, contrast judgment result is that indoor temperature TE 1>=cooling start temperature TE ctime, compressor starts again;
B, when determining environment temperature TE through contrast 4< dehumidifier temperature T E a, actuator execution heats dry
The dry method of operation, the dry method of operation that heats in described dehumidification mode starts, and blower fan moves with high rotating speed, and timer starts timing; Timer timing completely heats time of exchanging gas TI bafter close ventilatory; Connect
Collector every acquisition time TI cgather one time indoor temperature TE 1, and by determining device according to collected indoor temperature TE 1with default ventilation temperature T E dcontrast judgement, contrast judgment result is that indoor temperature TE 1< ventilation temperature T E dtime, collector is intermittently every acquisition time TI cgather one time indoor temperature TE 1and with default ventilation temperature T E dcontrast contrasts judgement, until judgment result is that indoor temperature TE 1> ventilation temperature T E dtime, starting ventilatory, blower fan moves with high rotating speed, and timer starts timing, and timer clocks and completely heats time of exchanging gas TI bafter close ventilatory; Now collector constantly gathers indoor temperature TE 1, and undertaken stopping temperature T E with default heat by determining device econtrast judgement, contrast judgment result is that indoor temperature TE 1>=heat stops temperature T E etime, compressor is out of service, otherwise continues operation, and collector keeps and gathers indoor temperature TE simultaneously 1and with default thermal starting temperature T E fcontrast judgement, contrast judgment result is that indoor temperature TE 1≤ thermal starting temperature T E ftime, compressor starts again.
2. the control method of the control device of air conditioner dehumidification mode according to claim 1, is characterized in that exiting signal when described actuator receives remote controller off signal or rotary-die type signal or dehumidification mode, and actuator is carried out and exited dehumidification mode action.
3. the control method of the control device of air conditioner dehumidification mode according to claim 1, is characterized in that when switching to refrigerating, dehumidifying dehumidification process by heating desiccant dehumidification process all zero clearings of clocking of described timer.
4. the control method of the control device of a kind of air conditioner dehumidification mode according to claim 1, is characterized in that described acquisition time TI cbe 30 minutes, described dehumidifier temperature T E abe 20 ℃, the described cold temperature T E that stops bbe 12 ℃, described cooling start temperature TE cbe 15 ℃, described ventilation temperature T E dbe 31 ℃, described heat stops temperature T E ebe 37 ℃, described thermal starting temperature T E fbe 30 ℃, described refrigerating scavenger time T I aand heat time of exchanging gas TI bit is all 8 minutes.
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CN104896653A (en) * 2014-03-07 2015-09-09 珠海格力电器股份有限公司 Control method of air purifier
CN107036246B (en) * 2017-04-26 2019-10-01 广东美的暖通设备有限公司 Air conditioner and its constant temperature dehumidification control method, device

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CN101163923A (en) * 2005-05-24 2008-04-16 大金工业株式会社 Humidity control device
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