CN1667326A - Refrigerating-heating air conditioner with low-temperature heat production function and control method therefor - Google Patents
Refrigerating-heating air conditioner with low-temperature heat production function and control method therefor Download PDFInfo
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- CN1667326A CN1667326A CN 200510033777 CN200510033777A CN1667326A CN 1667326 A CN1667326 A CN 1667326A CN 200510033777 CN200510033777 CN 200510033777 CN 200510033777 A CN200510033777 A CN 200510033777A CN 1667326 A CN1667326 A CN 1667326A
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Abstract
The invention discloses an air condition that carries low temperature heating function and the method to control. A temperature sensor that can detect the running mode of the air condition is set in it. The sensor connects to a controller that is set a temperature reference value in it. The controller would control the air condition to run in the mode of low temperature heating by the result of comparing the detecting signal and the reference value. When in low temperature heating mode, the controller outputs control signal to control the relay to adjust the fan motor running in low speed mode, and control the assistant electric heater to start. The invention could obviously increase the blow temperature when heating and improve the effect of low temperature heating.
Description
Technical field
The invention belongs to the air regulator field, relate to a kind of air conditioner, more detail is about regulating the air conditioner of the operational factor of air-conditioner automatically according to air-conditioner operating mode of living in the low-temperature heating function.
Background technology
The refrigeration system of existing heat-pump-type air conditioner is made up of compressor, four-way change-over valve, condenser, throttle part and evaporimeter; Electric-control system comprises parts such as controller, sensor, control valve, auxiliary electro-heat device and fan electromotor.Usually during heating operation, air-conditioner heats principle according to heat pump, by compressor work with heat from outdoor transfer to indoor.Compressor is delivered to the indoor side heat exchanger condensation with the cold-producing medium of HTHP, and the indoor fan is sent to condensation of refrigerant institute liberated heat indoor with hot blast.Cold-producing medium by indoor side heat exchanger flows into the outdoor heat exchanger evaporation through throttle part, by the outside fan cold is arranged to outdoor air.Last cold-producing medium is got back to compressor from outdoor heat exchanger, finishes one and heats circulation.
According to standard GB/T7725 room type air regulator regulation, the declared working condition of heat pump air conditioner heating operation is 7 ℃ of outside temperature, 19 ℃ of indoor temperature.Its heating efficiency and heating capacity reduce with outdoor temperature and descend.Usually, when outdoor temperature was lower than 5 ℃, the heating effect of heat pump air conditioner was relatively poor, needed to adopt other method to heat.
When environment temperature was very low, the outside EAT and the indoor EAT of heat pump air conditioner were all lower, and the indoor leaving air temp also decreases.Still heating though the indoor leaving air temp is higher than room temperature, because EAT is low, so leaving air temp still may be lower than people's shell temperature, makes the people feel that air-conditioning does not heat, blows a cold wind over.At this moment the air-conditioning heating capacity is also lower, and room temperature rises slow, also makes the people feel that the air-conditioning heating effect is poor.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of air conditioner with the low-temperature heating function is provided, more detail is according to the inboard fan electromotor low cruise in the automatic control room of air-conditioner operating mode of living in to improve the air conditioner of low-temperature heating effect.
When the declared working condition of heating operation, the heating capacity of air conditioner is relevant with the air circulation of indoor fan with wind pushing temperature: normally, the indoor circulation air quantity is big more, and heating capacity is high more, but leaving air temp is lower; Otherwise air quantity is more little, and heating capacity is low more, but leaving air temp is higher.When environment temperature was very low, the heating effect of air conditioner significantly descended.When air circulation was identical, low-temperature heating was compared its heating capacity and wind pushing temperature and is all reduced with declared working condition.At this moment, the influence of room air side heat transmission resistance in heat exchange reduces, and it is also less to the heating capacity influence of air-conditioner therefore to reduce the indoor circulation air quantity, but can obviously improve the wind pushing temperature of air-conditioner, thereby improves the low-temperature heating effect, makes the people feel comfortable.In addition, air-supply is selected to select proper, concerning wall hanging machine, must select the air port directly downward, and other select can not effectively heat owing to do not meet the room air circulation theory.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of air conditioner with the low-temperature heating function, comprise by compressor, four-way change-over valve, indoor heat converter, the refrigeration system that throttle part and outdoor heat converter are formed and by controller, control valve, the electric-control system that parts such as auxiliary electro-heat device and fan electromotor are formed, it is characterized in that: be provided with the temperature sensor that can detect the air-conditioner operating condition in the described air-conditioner, this temperature sensor is electrically connected with the controller that is provided with the temperature reference value, described controller is according to sensor detection signal and temperature reference value result relatively, and the control air-conditioner enters the low-temperature heating pattern that reduces air circulation.
Wherein, temperature sensor can be arranged at the diverse location of air conditioner, and the temperature reference value of described controller is set according to the sensor position.That is to say that temperature sensor can be arranged at the air conditioner outside, the ambient temperature signal of being measured is electrically connected with controller.Controller compares the ambient temperature signal received and the temperature reference value of setting, if environment temperature is lower than the temperature reference value of setting, then enters the low-temperature heating operational mode.Perhaps, temperature sensor is arranged on the air conditioner outdoor heat exchanger, and the pipe temperature signal of being measured is electrically connected with controller.The temperature reference value of pipe temperature signal that controller will be received and setting compares, if outdoor Guan Wen is lower than the temperature reference value of setting, then enters the low-temperature heating operational mode.Perhaps, described temperature sensor is arranged at the air conditioner indoor, and the indoor temperature signal of being measured is electrically connected with controller.Controller compares the room temperature signal received and the temperature reference value of setting, if indoor temperature is lower than the temperature reference value of setting, then enters the low-temperature heating operational mode.Perhaps, described temperature sensor is arranged on the air conditioner indoor heat exchanger, and the pipe temperature signal of being measured is electrically connected with controller.The temperature reference value of pipe temperature signal that controller will be received and setting compares, if indoor Guan Wen is lower than the temperature reference value of setting, then enters the low-temperature heating operational mode.
In described low-temperature heating pattern, controller and indoor fan motor, start the auxiliary electro-heat device relay, regulate horizontal aerofoil or several downwards and in the side direction air outlet wind direction motor of closing and be electrically connected.
And, air conditioner is provided with above-mentioned one or more temperature sensors, as long as when the detection signal of a temperature sensor is lower than the temperature reference value of setting, or when the detection signal of two or more temperature sensors all is lower than the temperature reference value of setting, enter the low-temperature heating operational mode.
And the characteristics of air conditioner low-temperature heating method of the present invention are to comprise following step:
A): temperature inductor detects the temperature of its position;
B): controller compares the temperature signal of temperature inductor calibrating and the temperature reference value of setting, draws temperature difference;
C): when the temperature difference in the step b) was negative value, air-conditioner entered the low-temperature heating pattern;
D): the inboard fan electromotor in controller control room is made as low cruise.
And for the air-conditioner that the auxiliary electro-heat device is housed, in step d), controller also starts by relay control auxiliary electro-heat device; For the air-conditioner that horizontal aerofoil is housed, in step d), controller is also regulated horizontal aerofoil and is used the air port and be in directly to upper/lower positions; For the air-conditioner that is provided with the automatic air outlet of side direction, in step d), controller also controls the side direction air outlet and cuts out.
Air conditioner provided by the invention and low-temperature heating control method thereof, compared with prior art have the following advantages: the present invention detects air-conditioner operating mode of living in by temperature sensor, automatically regulate the operational factor of air-conditioner, make air-conditioner enter the low-temperature heating pattern, thereby control indoor fan motor low-speed running, start the auxiliary electro-heat device, regulating horizontal aerofoil uses the air port and is in directly and closes the air circulation that reduces whole air-conditioner to upper/lower positions or control side direction air outlet, thereby improve the wind pushing temperature of air-conditioner, obviously improve the low-temperature heating effect, make the people feel comfortable.
Description of drawings
Below in conjunction with the drawings and specific embodiments air conditioner of the present invention is elaborated.
Fig. 1 is the structure principle chart of air conditioner of the present invention;
Fig. 2 is the structure principle chart that increases auxiliary electro-heat device and controlled indoor crosswind pendulum among Fig. 1;
Fig. 3 is an air-conditioner low-temperature heating control device theory diagram of the present invention;
Fig. 4 is a low-temperature heating control flow chart of the present invention.
Among the figure: 101 compressors, 102 indoor heat exchangers, 103 capillaries, 104 outdoor heat exchangers, 105 four-way change-over valves, 111 indoor fan motors, 112 indoor fans, 113 outdoor fan motors, 114 outdoor fans, 115 controllers, 116 temperature sensors, 117 auxiliary electro-heat devices, 118 indoor crosswind pendulum.
The specific embodiment
The air conditioner of band low-temperature heating function of the present invention, as accompanying drawing 1,3, shown in 4, comprise by compressor 101, four-way change-over valve 105, indoor side heat exchanger 102, the refrigeration system that throttle part 103 and outdoor heat exchanger 104 are formed, by controller 115, control valve, auxiliary electro-heat device and inside and outside fan electromotor 111, the electric-control system that 113 parts such as grade are formed, on the basis of existing air conditioner structure, in air-conditioner, add temperature sensor 116, temperature sensor 116 is installed in the pipe temperature signal of the mensuration position, air inlet place of indoor heat exchanger 102, and signal is passed to controller 115; Set a corresponding with it temperature reference value simultaneously on the controller 115, compare by 115 pairs of detected temperatures of controller and fiducial temperature, difference according to both judges whether to enter the low-temperature heating operational mode, if detected temperatures is lower than the temperature reference value of setting, be difference when being negative value, then enter the low-temperature heating operational mode.Promptly control the indoor fan motor low-speed running, start the auxiliary electro-heat device, regulate horizontal aerofoil and use the air port and be in directly and close the air circulation that reduces whole air-conditioner, thereby improve the wind pushing temperature of air-conditioner to upper/lower positions or control side direction air outlet.
Air-conditioner is when heating operation, and four-way change-over valve 105 is in conducting state.The high-temperature high-pressure refrigerant gas that compressor 101 is discharged flows into heat release condensation in the indoor heat exchanger 102 through four-way change-over valve 105, evaporation in the heat exchanger 104 of the inlet chamber outside after capillary 103 throttlings, get back to compressor 101 through four-way change-over valve 105 more at last, finish heat pump and heat circulation.Controller 115 sends control signal and starts indoor fan motor 111, drives indoor fan 112 and rotates, and makes the room air that enters indoor heat exchanger 102 be heated after-blow to indoor.Simultaneously, outdoor fan motor 113 drives outdoor fan 114, makes outdoor heat exchanger 104 absorb heat from outdoor air.After controller 115 receives that the temperature reference value of pipe temperature signal that temperature sensor 116 is measured and setting compares, indoor Guan Wen is lower than the temperature reference value of setting, at this moment, controller 115 sends control signal, make indoor fan motor 111 enter low cruise by control relay switch or thyristor operating angle degree, driving indoor fan 112 slowly runs, enter the low-temperature heating pattern, air conditioner chamber's circulates inside air quantity reduces like this, can improve wind pushing temperature in the air conditioner chamber, improve the air conditioner heat-production effect, make the people feel comfortable.And, temperature sensor 116 can be arranged on the diverse location in the system, thereby determine different temperature values, as the environment temperature of outside, outdoor heat exchange organ pipe temperature, indoor EAT, indoor heat exchanger Guan Wen etc., like this, also setting corresponding temperature reference value on the controller compares.And, air conditioner can be provided with above-mentioned two or more temperature sensors, when as long as the detection signal of one of them temperature sensor is lower than the temperature reference value of setting, or when the detection signal of these two or more temperature sensors all is lower than the temperature reference value of setting, enter the low-temperature heating operational mode.When temperature sensor 116 detected temperature signals were higher than the temperature reference value of controller setting, controller 115 normally moved the inboard fan electromotor 111 of priming chamber, enters normal heating mode.
As shown in Figure 2, for the air conditioner that auxiliary electro-heat device 117 is housed, controller 115 is electrically connected with the relay that control auxiliary electro-heat device 117 starts.When entering the low-temperature heating pattern, start the auxiliary electro-heat device.Controller 115 also is electrically connected with the wind direction motor of regulating horizontal aerofoil and/or side direction air outlet, when entering the low-temperature heating mode, wind direction motor electricity is regulated horizontal aerofoil by mechanical transmission structure and is used the air port and be in directly to upper/lower positions or close the side direction air outlet, further reduce the air circulation of air-conditioner, thereby improve the wind pushing temperature of air-conditioner, make the people feel comfortable.
Claims (8)
1. air conditioner with the low-temperature heating function, comprise by compressor, four-way change-over valve, indoor heat converter, the refrigeration system that throttle part and outdoor heat converter are formed and by controller, control valve, the electric-control system that parts such as auxiliary electro-heat device and fan electromotor are formed, it is characterized in that: be provided with the temperature sensor that can detect the air-conditioner operating condition in the described air-conditioner, this temperature sensor is electrically connected with the controller that is provided with the temperature reference value, described controller is according to sensor detection signal and temperature reference value result relatively, and the control air-conditioner enters the low-temperature heating pattern that reduces air circulation.
2. the air conditioner of band low-temperature heating function according to claim 1 is characterized in that: described temperature sensor is arranged at the diverse location of air conditioner, and the temperature reference value of described controller is set according to the sensor position.
3. the air conditioner of band low-temperature heating function according to claim 1, it is characterized in that: in the described low-temperature heating pattern, controller and indoor fan motor, start the auxiliary electro-heat device relay, regulate horizontal aerofoil or several downwards and in the side direction air outlet wind direction motor of closing and be electrically connected.
4. according to the air conditioner of each described band low-temperature heating function of claim 1 to 3, it is characterized in that: described temperature sensor is provided with one or more.
5. air conditioner low-temperature heating control method, when the air-conditioning heating operation, this method may further comprise the steps:
A): temperature inductor detects the temperature of its position;
B): controller compares the temperature signal of temperature inductor calibrating and the temperature reference value of setting, draws temperature difference;
C): when the temperature difference in the step b) was negative value, air-conditioner entered the low-temperature heating pattern;
D): the inboard fan electromotor in controller control room is made as low cruise.
6. air-conditioner low-temperature heating control method according to claim 5 is characterized in that: in the step d), controller also starts by relay control auxiliary electro-heat device.
7. air-conditioner low-temperature heating control method according to claim 5 is characterized in that: in the step d), controller is also regulated horizontal aerofoil by the wind direction motor and is used the air port and be in directly to upper/lower positions.
8. air-conditioner low-temperature heating control method according to claim 5 is characterized in that: in the step d), controller also cuts out by wind direction Electric Machine Control side direction air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100337779A CN100501259C (en) | 2005-03-28 | 2005-03-28 | Refrigerating-heating air conditioner with low-temperature heat production function and control method therefor |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100337779A CN100501259C (en) | 2005-03-28 | 2005-03-28 | Refrigerating-heating air conditioner with low-temperature heat production function and control method therefor |
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| CN1667326A true CN1667326A (en) | 2005-09-14 |
| CN100501259C CN100501259C (en) | 2009-06-17 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1959301B (en) * | 2005-11-05 | 2010-04-14 | 叶可 | Healthy heat pump |
| CN104764092A (en) * | 2015-03-24 | 2015-07-08 | 广东美的制冷设备有限公司 | Air conditioner and outdoor unit control method |
| CN107514742A (en) * | 2017-07-27 | 2017-12-26 | 青岛海尔空调器有限总公司 | A kind of zoned air air conditioner electric heating controlling method and air conditioner |
| CN107588496A (en) * | 2017-08-22 | 2018-01-16 | 广东美的暖通设备有限公司 | Control method, the computer-readable recording medium of new blower fan and its wind pushing temperature |
| CN108332344A (en) * | 2017-07-27 | 2018-07-27 | 青岛海尔空调器有限总公司 | A kind of zoned air air-conditioner control method and air conditioner |
| CN105627517B (en) * | 2016-01-20 | 2018-09-25 | 珠海格力电器股份有限公司 | The defrosting control method and defrosting control device of air conditioner |
| CN108954714A (en) * | 2018-07-25 | 2018-12-07 | 广东美的暖通设备有限公司 | The starting control method and air conditioner of air conditioner |
| CN115247862A (en) * | 2022-07-21 | 2022-10-28 | 海信空调有限公司 | Operation control method for air conditioner and electric heater |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1223816C (en) * | 2003-03-19 | 2005-10-19 | 珠海经济特区虹达电子实业有限公司 | Defrosting method for heat pump type air conditioner |
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2005
- 2005-03-28 CN CNB2005100337779A patent/CN100501259C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1959301B (en) * | 2005-11-05 | 2010-04-14 | 叶可 | Healthy heat pump |
| CN104764092A (en) * | 2015-03-24 | 2015-07-08 | 广东美的制冷设备有限公司 | Air conditioner and outdoor unit control method |
| CN105627517B (en) * | 2016-01-20 | 2018-09-25 | 珠海格力电器股份有限公司 | The defrosting control method and defrosting control device of air conditioner |
| CN107514742A (en) * | 2017-07-27 | 2017-12-26 | 青岛海尔空调器有限总公司 | A kind of zoned air air conditioner electric heating controlling method and air conditioner |
| CN108332344A (en) * | 2017-07-27 | 2018-07-27 | 青岛海尔空调器有限总公司 | A kind of zoned air air-conditioner control method and air conditioner |
| CN108332344B (en) * | 2017-07-27 | 2021-04-20 | 青岛海尔空调器有限总公司 | Control method for partitioned air supply air conditioner and air conditioner |
| CN107514742B (en) * | 2017-07-27 | 2021-04-20 | 青岛海尔空调器有限总公司 | Electric heating control method for partitioned air supply air conditioner and air conditioner |
| CN107588496A (en) * | 2017-08-22 | 2018-01-16 | 广东美的暖通设备有限公司 | Control method, the computer-readable recording medium of new blower fan and its wind pushing temperature |
| CN107588496B (en) * | 2017-08-22 | 2020-08-14 | 广东美的暖通设备有限公司 | Fresh air fan, control method of air supply temperature of fresh air fan and computer readable storage medium |
| CN108954714A (en) * | 2018-07-25 | 2018-12-07 | 广东美的暖通设备有限公司 | The starting control method and air conditioner of air conditioner |
| CN115247862A (en) * | 2022-07-21 | 2022-10-28 | 海信空调有限公司 | Operation control method for air conditioner and electric heater |
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| Publication number | Publication date |
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| CN100501259C (en) | 2009-06-17 |
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Granted publication date: 20090617 Termination date: 20130328 |