CN108302712A

CN108302712A - Heat pump air conditioner unit and its energy-saving control method and control device

Info

Publication number: CN108302712A
Application number: CN201810005886.7A
Authority: CN
Inventors: 李宏伟; 许永锋; 梁伯启; 卜其辉; 董世龙
Original assignee: Midea Group Co Ltd; Guangdong Midea HVAC Equipment Co Ltd
Current assignee: Midea Group Co Ltd; Guangdong Midea HVAC Equipment Co Ltd
Priority date: 2018-01-03
Filing date: 2018-01-03
Publication date: 2018-07-20
Anticipated expiration: 2038-01-03
Also published as: WO2019134485A1; CN108302712B; EP3628936A1

Abstract

The invention discloses a kind of heat pump air conditioner unit and its energy-saving control methods and control device, the described method comprises the following steps：Indoor temperature is obtained, and obtains the absolute value of the temperature gap between indoor temperature and set temperature；Judge whether the absolute value of temperature gap is less than or equal to predetermined threshold value；If the absolute value of temperature gap is less than or equal to predetermined threshold value, the corresponding desired value of coil pipe mean temperature of indoor heat exchanger is adjusted according to the absolute value of temperature gap, the output of outdoor unit to be adjusted.The energy-saving control method of the present invention when can effectively solve the problem that heat pump air conditioner unit temperature is close to set temperature indoors, since outdoor unit exports bigger than normal, causes system energy consumption to increase, not energy-efficient problem.

Description

Heat pump air conditioner unit and its energy-saving control method and control device

Technical field

The present invention relates to air-conditioning technical field, more particularly to a kind of energy-saving control method, the Yi Zhongre of heat pump air conditioner unit Pump the energy-saving control device of air-conditioner set and a kind of heat pump air conditioner unit with the control device.

Background technology

Heat pump air conditioner unit, especially VRF Air Conditioning System have and are not necessarily to staff on duty, easy to operate, and control is freely The advantages of, therefore, in actual production life, use scope is extensive.However, energy consumption caused by the use of air-conditioner set is asked Topic, perplexs always industry.Especially multiple air conditioner heat pump unit, in actual use, as indoor temperature gradually connects Nearly set temperature causes system energy consumption to increase since outdoor unit output is bigger than normal, and what is brought is the uneconomic problem of operation.

Invention content

The present invention is directed at least solve one of the technical problem in above-mentioned technology to a certain extent.For this purpose, the present invention First purpose be to propose a kind of energy-saving control method of heat pump air conditioner unit, can effectively solve the problem that heat pump air conditioner unit in room When interior temperature is close to set temperature, since outdoor unit output is bigger than normal, system energy consumption is caused to increase, not energy-efficient problem.

Second object of the present invention is to propose a kind of non-transitorycomputer readable storage medium

Third object of the present invention is to propose a kind of energy-saving control device of heat pump air conditioner unit.

Fourth object of the present invention is to propose a kind of heat pump air conditioner unit.

In order to achieve the above objectives, first aspect present invention embodiment proposes a kind of Energy Saving Control side of heat pump air conditioner unit Method includes the following steps：Indoor temperature is obtained, and obtains the absolute of temperature gap between the indoor temperature and set temperature Value；Judge whether the absolute value of the temperature gap is less than or equal to predetermined threshold value；If the absolute value of the temperature gap is less than Equal to predetermined threshold value, then the corresponding target of coil pipe mean temperature of indoor heat exchanger is adjusted according to the absolute value of the temperature gap Value, the output of outdoor unit to be adjusted.

The energy-saving control method of heat pump air conditioner unit according to the ... of the embodiment of the present invention obtains indoor temperature, and obtains interior The absolute value of temperature gap between temperature and set temperature, and judge whether the absolute value of temperature gap is less than or equal to preset Threshold value, wherein if the absolute value of temperature gap is less than or equal to predetermined threshold value, according in the absolute value regulation room of temperature gap The corresponding desired value of coil pipe mean temperature of heat exchanger, the output of outdoor unit to be adjusted.This method can be effective as a result, When solving heat pump air conditioner unit temperature is close to set temperature indoors, since outdoor unit exports bigger than normal, system energy consumption is caused to increase, Not energy-efficient problem.

In addition, the energy-saving control method of the heat pump air conditioner unit proposed according to the above embodiment of the present invention can also have such as Under additional technical characteristic：

According to one embodiment of present invention, the absolute value of the temperature gap is divided into multiple temperature ranges, each described Temperature range corresponds to a desired value, wherein the coil pipe that indoor heat exchanger is adjusted according to the absolute value of the temperature gap is average The corresponding desired value of temperature, including：Judge the temperature range residing for the absolute value of the temperature gap；According to the temperature gap Absolute value residing for temperature range obtain corresponding desired value.

According to one embodiment of present invention, when the heat pump air conditioner unit is run in a chiller mode, according to the temperature The absolute value for spending difference adjusts the corresponding desired value of coil pipe mean temperature of indoor heat exchanger, including：Judge the temperature gap Absolute value whether be more than or equal to the first preset temperature；If the absolute value of the temperature gap is more than or equal to the first default temperature Degree, then using the first temperature threshold as the desired value；If the absolute value of the temperature gap is less than the first preset temperature, Further judge whether the absolute value of the temperature gap is more than or equal to the second preset temperature, wherein second preset temperature Less than first preset temperature；If the absolute value of the temperature gap is more than or equal to the second preset temperature, by the second temperature Threshold value is spent as the desired value, wherein the second temperature threshold value is more than or equal to first temperature threshold；If the temperature The absolute value for spending difference is less than the second preset temperature, then further judges whether the absolute value of the temperature gap is more than or equal to the Three preset temperatures, wherein the third preset temperature is less than second preset temperature；If the absolute value of the temperature gap More than or equal to third preset temperature, then using third temperature threshold as the desired value, wherein the third temperature threshold is more than Equal to the second temperature threshold value；If the absolute value of the temperature gap is less than third preset temperature, further institute is judged Whether the absolute value for stating temperature gap is more than or equal to the 4th preset temperature, wherein the 4th preset temperature is less than the third Preset temperature；If the absolute value of the temperature gap is more than or equal to the 4th preset temperature, using the 4th temperature threshold as institute State desired value, wherein the 4th temperature threshold is more than or equal to the third temperature threshold；If the temperature gap is absolute Value is less than the 4th preset temperature, then further judges whether the absolute value of the temperature gap is more than or equal to the 5th preset temperature, Wherein, the 5th preset temperature is less than the 4th preset temperature；If the absolute value of the temperature gap is more than or equal to the Five preset temperatures, then using the 5th temperature threshold as the desired value, wherein the 5th temperature threshold is more than or equal to described the Four temperature thresholds；If the absolute value of the temperature gap is less than the 5th preset temperature, the temperature gap is further judged Absolute value whether be more than or equal to the 6th preset temperature, wherein the 6th preset temperature be less than the 5th preset temperature；Such as The absolute value of temperature gap described in fruit is more than or equal to the 6th preset temperature, then using the 6th temperature threshold as the desired value, In, the 6th temperature threshold is more than or equal to the 5th temperature threshold；If the absolute value of the temperature gap is less than the 6th Preset temperature, then further judge whether the absolute value of the temperature gap is more than or equal to the 7th preset temperature, wherein described the Seven preset temperatures are less than the 6th preset temperature；If the absolute value of the temperature gap is more than or equal to the 7th preset temperature, Then using the 7th temperature threshold as the desired value, wherein the 7th temperature threshold is more than or equal to the 6th temperature threshold； If the absolute value of the temperature gap is less than the 7th preset temperature, using the indoor temperature as the desired value.

According to another embodiment of the invention, when the heat pump air conditioner unit is run with heating mode, according to described The absolute value of temperature gap adjusts the corresponding desired value of coil pipe mean temperature of indoor heat exchanger, including：Judge the temperature difference Whether the absolute value of value is more than or equal to the 8th preset temperature；If the absolute value of the temperature gap is more than or equal to the 8th default temperature Degree, then using the 8th temperature threshold as the desired value；If the absolute value of the temperature gap is less than the 8th preset temperature, Further judge whether the absolute value of the temperature gap is more than or equal to the 9th preset temperature, wherein the 9th preset temperature Less than the 8th preset temperature；If the absolute value of the temperature gap is more than or equal to the 9th preset temperature, by the 9th temperature Threshold value is spent as the desired value, wherein the 9th temperature threshold is less than or equal to the 8th temperature threshold；If the temperature The absolute value for spending difference is less than the 9th preset temperature, then further judges whether the absolute value of the temperature gap is more than or equal to the Ten preset temperatures, wherein the tenth preset temperature is less than the 9th preset temperature；If the absolute value of the temperature gap More than or equal to the tenth preset temperature, then using the tenth temperature threshold as the desired value, wherein the tenth temperature threshold is less than Equal to the 9th temperature threshold；If the absolute value of the temperature gap is less than the tenth preset temperature, further institute is judged Whether the absolute value for stating temperature gap is more than or equal to the 11st preset temperature, wherein the 11st preset temperature is less than described Tenth preset temperature；If the absolute value of the temperature gap is more than or equal to the 11st preset temperature, by the 11st temperature threshold Value is used as the desired value, wherein the 11st temperature threshold is less than or equal to the tenth temperature threshold；If the temperature The absolute value of difference is less than the 11st preset temperature, then further judges whether the absolute value of the temperature gap is more than or equal to the 12 preset temperatures, wherein the 12nd preset temperature is less than the 11st preset temperature；If the temperature gap Absolute value is more than or equal to the 12nd preset temperature, then using the 12nd temperature threshold as the desired value, wherein the described 12nd Temperature threshold is less than or equal to the 11st temperature threshold；If the absolute value of the temperature gap is less than the 12nd default temperature Degree, then further judge whether the absolute value of the temperature gap is more than or equal to the 13rd preset temperature, wherein the described 13rd Preset temperature is less than the 12nd preset temperature；If the absolute value of the temperature gap is more than or equal to the 13rd default temperature Degree, then using the 13rd temperature threshold as the desired value, wherein the 13rd temperature threshold is less than or equal to the described 12nd Temperature threshold；If the absolute value of the temperature gap is less than the 13rd preset temperature, the temperature gap is further judged Absolute value whether be more than or equal to the 14th preset temperature, wherein it is default that the 14th preset temperature is less than the described 13rd Temperature；If the absolute value of the temperature gap is more than or equal to the 14th preset temperature, using the 14th temperature threshold as institute State desired value, wherein the 14th temperature threshold is less than or equal to the 13rd temperature threshold；If the temperature gap Absolute value is less than the 14th preset temperature, then using the indoor temperature as the desired value.

In order to achieve the above objectives, second aspect of the present invention embodiment proposes a kind of non-transitory computer-readable storage medium Matter is stored thereon with computer program, which realizes the Energy Saving Control of above-mentioned heat pump air conditioner unit when being executed by processor Method.

The non-transitorycomputer readable storage medium of the embodiment of the present invention, by executing above-mentioned heat pump air conditioner unit Energy-saving control method, when can effectively solve the problem that heat pump air conditioner unit temperature is close to set temperature indoors, since outdoor unit exports It is bigger than normal, cause system energy consumption to increase, not energy-efficient problem.

In order to achieve the above objectives, third aspect present invention embodiment proposes a kind of Energy Saving Control dress of heat pump air conditioner unit It sets, including：Acquisition module for obtaining indoor temperature, and obtains the temperature gap between the indoor temperature and set temperature Absolute value；Judgment module, for judging whether the absolute value of the temperature gap is less than or equal to predetermined threshold value；Control module, According in the absolute value regulation room of the temperature gap when for the absolute value in the temperature gap less than or equal to predetermined threshold value The corresponding desired value of coil pipe mean temperature of heat exchanger, the output of outdoor unit to be adjusted.

The energy-saving control device of heat pump air conditioner unit according to the ... of the embodiment of the present invention, Indoor Temperature is obtained by acquisition module Degree, and the absolute value of the temperature gap between indoor temperature and set temperature is obtained, temperature gap is judged by judgment module Whether absolute value is less than or equal to predetermined threshold value, if the absolute value of temperature gap is less than or equal to predetermined threshold value, root if control module According to temperature gap absolute value adjust indoor heat exchanger the corresponding desired value of coil pipe mean temperature, with the output to outdoor unit into Row is adjusted.When the device can effectively solve the problem that heat pump air conditioner unit temperature is close to set temperature indoors as a result, due to outdoor unit It exports bigger than normal, causes system energy consumption to increase, not energy-efficient problem.

In addition, the energy-saving control device of the heat pump air conditioner unit proposed according to the above embodiment of the present invention can also have such as Under additional technical characteristic：

According to one embodiment of present invention, the absolute value of the temperature gap is divided into multiple temperature ranges, each described Temperature range corresponds to a desired value, wherein the control module is changed in the absolute value regulation room according to the temperature gap When the corresponding desired value of the coil pipe mean temperature of hot device, it is additionally operable to judge the humidity province residing for the absolute value of the temperature gap Between, and the temperature range residing for the absolute value of the temperature gap obtains corresponding desired value.

According to one embodiment of present invention, when the heat pump air conditioner unit is run in a chiller mode, the control mould Block is further used for, and judges whether the absolute value of the temperature gap is more than or equal to the first preset temperature；If the temperature difference The absolute value of value is more than or equal to the first preset temperature, then using the first temperature threshold as the desired value；If the temperature difference The absolute value of value is less than the first preset temperature, then it is pre- further to judge whether the absolute value of the temperature gap is more than or equal to second If temperature, wherein second preset temperature is less than first preset temperature；If the absolute value of the temperature gap is more than Equal to the second preset temperature, then using second temperature threshold value as the desired value, wherein the second temperature threshold value is more than or equal to First temperature threshold；If the absolute value of the temperature gap is less than the second preset temperature, the temperature is further judged Whether the absolute value for spending difference is more than or equal to third preset temperature, wherein it is default that the third preset temperature is less than described second Temperature；If the absolute value of the temperature gap is more than or equal to third preset temperature, using third temperature threshold as the mesh Scale value, wherein the third temperature threshold is more than or equal to the second temperature threshold value；If the absolute value of the temperature gap is small In third preset temperature, then further judge whether the absolute value of the temperature gap is more than or equal to the 4th preset temperature, wherein 4th preset temperature is less than the third preset temperature；If it is default that the absolute value of the temperature gap is more than or equal to the 4th Temperature, then using the 4th temperature threshold as the desired value, wherein the 4th temperature threshold is more than or equal to the third temperature Threshold value；If the absolute value of the temperature gap is less than the 4th preset temperature, the absolute of the temperature gap is further judged Whether value is more than or equal to the 5th preset temperature, wherein the 5th preset temperature is less than the 4th preset temperature；If described The absolute value of temperature gap is more than or equal to the 5th preset temperature, then using the 5th temperature threshold as the desired value, wherein described 5th temperature threshold is more than or equal to the 4th temperature threshold；If the absolute value of the temperature gap is less than the 5th default temperature Degree, then further judge whether the absolute value of the temperature gap is more than or equal to the 6th preset temperature, wherein the described 6th is default Temperature is less than the 5th preset temperature；If the absolute value of the temperature gap is more than or equal to the 6th preset temperature, by the Six temperature thresholds are as the desired value, wherein the 6th temperature threshold is more than or equal to the 5th temperature threshold；If institute The absolute value for stating temperature gap is less than the 6th preset temperature, then further judges whether the absolute value of the temperature gap is more than In the 7th preset temperature, wherein the 7th preset temperature is less than the 6th preset temperature；If the temperature gap is exhausted 7th preset temperature is more than or equal to value, then using the 7th temperature threshold as the desired value, wherein the 7th temperature threshold More than or equal to the 6th temperature threshold；If the absolute value of the temperature gap is less than the 7th preset temperature, by the room Interior temperature is as the desired value.

According to another embodiment of the invention, when the heat pump air conditioner unit is run with heating mode, the control Module is further used for, and judges whether the absolute value of the temperature gap is more than or equal to the 8th preset temperature；If the temperature The absolute value of difference is more than or equal to the 8th preset temperature, then using the 8th temperature threshold as the desired value；If the temperature The absolute value of difference is less than the 8th preset temperature, then further judges whether the absolute value of the temperature gap is more than or equal to the 9th Preset temperature, wherein the 9th preset temperature is less than the 8th preset temperature；If the absolute value of the temperature gap is big In equal to the 9th preset temperature, then using the 9th temperature threshold as the desired value, wherein the 9th temperature threshold is less than etc. In the 8th temperature threshold；If the absolute value of the temperature gap is less than the 9th preset temperature, further described in judgement Whether the absolute value of temperature gap is more than or equal to the tenth preset temperature, wherein it is pre- that the tenth preset temperature is less than the described 9th If temperature；If the absolute value of the temperature gap is more than or equal to the tenth preset temperature, using the tenth temperature threshold as described in Desired value, wherein the tenth temperature threshold is less than or equal to the 9th temperature threshold；If the absolute value of the temperature gap Less than the tenth preset temperature, then further judge whether the absolute value of the temperature gap is more than or equal to the 11st preset temperature, Wherein, the 11st preset temperature is less than the tenth preset temperature；If the absolute value of the temperature gap is more than or equal to 11st preset temperature, then using the 11st temperature threshold as the desired value, wherein the 11st temperature threshold be less than etc. In the tenth temperature threshold；If the absolute value of the temperature gap is less than the 11st preset temperature, further institute is judged Whether the absolute value for stating temperature gap is more than or equal to the 12nd preset temperature, wherein the 12nd preset temperature is less than described 11st preset temperature；If the absolute value of the temperature gap is more than or equal to the 12nd preset temperature, by the 12nd temperature Threshold value is as the desired value, wherein the 12nd temperature threshold is less than or equal to the 11st temperature threshold；If described The absolute value of temperature gap is less than the 12nd preset temperature, then further judges whether the absolute value of the temperature gap is more than In the 13rd preset temperature, wherein the 13rd preset temperature is less than the 12nd preset temperature；If the temperature difference The absolute value of value is more than or equal to the 13rd preset temperature, then using the 13rd temperature threshold as the desired value, wherein described the 13 temperature thresholds are less than or equal to the 12nd temperature threshold；If it is default that the absolute value of the temperature gap is less than the 13rd Temperature, then further judge whether the absolute value of the temperature gap is more than or equal to the 14th preset temperature, wherein the described tenth Four preset temperatures are less than the 13rd preset temperature；If the absolute value of the temperature gap is more than or equal to the 14th default temperature Degree, then using the 14th temperature threshold as the desired value, wherein the 14th temperature threshold is less than or equal to the described 13rd Temperature threshold；If the absolute value of the temperature gap is less than the 14th preset temperature, using the indoor temperature as described in Desired value.

In order to achieve the above objectives, fourth aspect present invention embodiment proposes a kind of heat pump air conditioner unit comprising above-mentioned Heat pump air conditioner unit energy-saving control device.

The heat pump air conditioner unit of the embodiment of the present invention can by the energy-saving control device of above-mentioned heat pump air conditioner unit When effectively solving heat pump air conditioner unit temperature is close to set temperature indoors, since outdoor unit exports bigger than normal, lead to system energy consumption Increase, not energy-efficient problem.

Description of the drawings

Fig. 1 is the flow chart of the energy-saving control method of heat pump air conditioner unit according to the ... of the embodiment of the present invention；

Fig. 2 is the flow chart of the energy-saving control method of heat pump air conditioner unit according to an embodiment of the invention；

Fig. 3 is the flow chart of the energy-saving control method of heat pump air conditioner unit in accordance with another embodiment of the present invention；

Fig. 4 is the structural schematic diagram of the energy-saving control device of heat pump air conditioner unit according to the ... of the embodiment of the present invention.

Specific implementation mode

The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.

Energy-saving control method, the heat of the heat pump air conditioner unit proposed according to embodiments of the present invention described below in conjunction with the accompanying drawings Pump the energy-saving control device of air-conditioner set and the heat pump air conditioner unit with the control device.

Fig. 1 is the flow chart of the energy-saving control method of heat pump air conditioner unit according to the ... of the embodiment of the present invention.

As shown in Figure 1, the energy-saving control method of the heat pump air conditioner unit of the embodiment of the present invention may include following steps：

S1 obtains indoor temperature, and obtains the absolute value of the temperature gap between indoor temperature and set temperature.Wherein, Set temperature can be demarcated according to actual conditions, for example, user can carry out setting temperature according to Various Seasonal, different environment Degree.Obtaining for indoor temperature can be obtained by the temperature sensor being arranged on heat pump air conditioner unit.

S2, judges whether the absolute value of temperature gap is less than or equal to predetermined threshold value.Wherein, predetermined threshold value can be according to practical feelings Condition is demarcated.

S3, if the absolute value of temperature gap is less than or equal to predetermined threshold value, according to the absolute value regulation room of temperature gap The corresponding desired value of coil pipe mean temperature of interior heat exchanger, the output of outdoor unit to be adjusted.

According to one embodiment of present invention, the absolute value of temperature gap can be divided into multiple temperature ranges, each humidity province Between a corresponding desired value, wherein the coil pipe mean temperature that indoor heat exchanger is adjusted according to the absolute value of temperature gap is corresponding Desired value, including：Judge the temperature range residing for the absolute value of temperature gap；Temperature residing for absolute value according to temperature gap Section obtains corresponding desired value.

Specifically, during heat pump air conditioner unit is run, indoor temperature T1 is obtained in real time, and obtain set temperature T2 (set temperature is the target temperature set according to actual conditions) calculates the difference between indoor temperature T1 and set temperature T2, And the absolute value of temperature gap is judged.If the absolute value of temperature gap is less than or equal to predetermined threshold value, temperature is judged Temperature range residing for the absolute value of difference, and the temperature range residing for the absolute value according to temperature gap obtains corresponding target Value, the output of outdoor unit to be adjusted according to desired value.For example, when the absolute value of temperature gap differs very little, can incite somebody to action The corresponding desired value of coil pipe mean temperature of indoor heat exchanger is adjusted to be approached with indoor temperature, to be carried out to the output of outdoor unit It adjusts；It, can be by the corresponding desired value tune of the coil pipe mean temperature of indoor heat exchanger when the absolute value of temperature gap difference is larger Greatly or turns down and (can specifically determine to tune up or turn down according to the operational mode of heat pump air conditioner unit).To solve heat-pump air-conditioner Group is when temperature is close to set temperature indoors, since outdoor unit exports bigger than normal, causes system energy consumption to increase, not energy-efficient problem.

It is described in detail below under heat pump air conditioner unit difference operational mode, how according to the absolute value regulation room of temperature gap The corresponding desired value of coil pipe mean temperature of interior heat exchanger.

According to one embodiment of present invention, when heat pump air conditioner unit is run in a chiller mode, according to temperature gap Absolute value adjusts the corresponding desired value of coil pipe mean temperature of indoor heat exchanger, including：Judge temperature gap absolute value whether More than or equal to the first preset temperature, if the absolute value of temperature gap is more than or equal to the first preset temperature, by the first temperature threshold Value is used as desired value, if the absolute value of temperature gap is less than the first preset temperature, further judges the absolute of temperature gap Whether value is more than or equal to the second preset temperature.If the absolute value of temperature gap is more than or equal to the second preset temperature, by second Temperature threshold further judges temperature gap as desired value if the absolute value of temperature gap is less than the second preset temperature Absolute value whether be more than or equal to third preset temperature.If the absolute value of temperature gap is more than or equal to third preset temperature, Further judge temperature if the absolute value of temperature gap is less than third preset temperature using third temperature threshold as desired value Whether the absolute value for spending difference is more than or equal to the 4th preset temperature.If the absolute value of temperature gap is more than or equal to the 4th default temperature Degree is then further sentenced using the 4th temperature threshold as desired value if the absolute value of temperature gap is less than the 4th preset temperature Whether the absolute value of disconnected temperature gap is more than or equal to the 5th preset temperature.If it is pre- that the absolute value of temperature gap is more than or equal to the 5th If temperature, then using the 5th temperature threshold as desired value, if the absolute value of temperature gap is less than the 5th preset temperature, into one Step judges whether the absolute value of temperature gap is more than or equal to the 6th preset temperature.If the absolute value of temperature gap is more than or equal to the Six preset temperatures, then using the 6th temperature threshold as desired value, if the absolute value of temperature gap is less than the 6th preset temperature, Further judge whether the absolute value of temperature gap is more than or equal to the 7th preset temperature.If the absolute value of temperature gap be more than etc. In the 7th preset temperature, then using the 7th temperature threshold as desired value, if the absolute value of temperature gap is less than the 7th default temperature Degree, then using indoor temperature as desired value.

Wherein, the second preset temperature is less than the first preset temperature, and third preset temperature is less than the second preset temperature, and the 4th is pre- If temperature is less than third preset temperature, the 5th preset temperature is less than the 4th preset temperature, and it is default that the 6th preset temperature is less than the 5th Temperature, the 7th preset temperature are less than the 6th preset temperature, can specifically be demarcated according to actual conditions, for example, the first default temperature Degree is a DEG C (constant), and the second preset temperature is (a-0.5) DEG C, and third preset temperature is (a-1) DEG C, and the 4th preset temperature is (a- 1.5) DEG C, the 5th preset temperature is (a-2) DEG C, and the 6th preset temperature is (a-2.5) DEG C, and the 7th preset temperature is (a-3) DEG C.

Second temperature threshold value is more than or equal to the first temperature threshold, and third temperature threshold is more than or equal to second temperature threshold value, the Four temperature thresholds are more than or equal to third temperature threshold, and the 5th temperature threshold is more than or equal to the 4th temperature threshold, the 6th temperature threshold More than or equal to the 5th temperature threshold, the 7th temperature threshold is more than or equal to the 6th temperature threshold, can specifically be carried out according to actual conditions Calibration.

It should be noted that the first preset temperature to the 7th preset temperature is positive value.

Specifically, as shown in Fig. 2, when heat pump air conditioner unit is run in a chiller mode, according to the absolute value of temperature gap Adjust the corresponding desired value of coil pipe mean temperature of indoor heat exchanger, it may include following steps：

S101, heat pump air conditioner unit are run in a chiller mode.

S102 obtains difference T, T=between indoor temperature T1 and set temperature T2 | T1-T2 |.

S103 judges that (e.g., the first preset temperature can be a) whether true to the preset temperatures of T >=first.If so, executing Step S104；If not, executing step S105.

S104, the first temperature threshold N1 is as desired value.

S105 judges whether the preset temperatures of T >=second (e.g., the second preset temperature can be a-0.5) are true.If so, Execute step S106；If not, executing step S107.

S106, N2 is as desired value for second temperature threshold value.

S107 judges whether T >=third preset temperature (e.g., third preset temperature can be a-1) is true.If so, holding Row step S108；If not, executing step S109.

S108, third temperature threshold N3 is as desired value.

S109 judges whether the preset temperatures of T >=the 4th (e.g., the 4th preset temperature can be a-1.5) are true.If so, Execute step S110；If not, executing step S111.

S110, the 4th temperature threshold N4 is as desired value.

S111 judges whether the preset temperatures of T >=the 5th (e.g., the 5th preset temperature can be a-2) are true.If so, holding Row step S112；If not, executing step S113.

S112, the 5th temperature threshold N5 is as desired value.

S113 judges whether the preset temperatures of T >=the 6th (e.g., the 6th preset temperature can be a-2.5) are true.If so, Execute step S114；If not, executing step S115.

S114, the 6th temperature threshold N6 is as desired value.

S115 judges whether the preset temperatures of T >=the 7th (e.g., the 7th preset temperature can be a-3) are true.If so, holding Row step S116；If not, executing step S117.

S116, the 7th temperature threshold N7 is as desired value.

S117, indoor temperature T1 is as desired value.

It should be noted that when indoor temperature higher (such as summer), heat pump air conditioner unit runs refrigeration mode, i.e., indoor The absolute value T=T1-T2 of temperature gaps of the temperature T1 more than set temperature T2, indoor temperature T1 and set temperature T2.

According to another embodiment of the invention, when heat pump air conditioner unit is run with heating mode, according to temperature gap Absolute value adjust indoor heat exchanger the corresponding desired value of coil pipe mean temperature, including：Judging the absolute value of temperature gap is It is no to be more than or equal to the 8th preset temperature, if the absolute value of temperature gap is more than or equal to the 8th preset temperature, by the 8th temperature Threshold value further judges the exhausted of temperature gap as desired value if the absolute value of temperature gap is less than the 8th preset temperature Whether the 9th preset temperature is more than or equal to value.If the absolute value of temperature gap is more than or equal to the 9th preset temperature, by the Nine temperature thresholds further judge temperature difference as desired value if the absolute value of temperature gap is less than the 9th preset temperature Whether the absolute value of value is more than or equal to the tenth preset temperature.If the absolute value of temperature gap is more than or equal to the tenth preset temperature, Then further judge if the absolute value of temperature gap is less than the tenth preset temperature using the tenth temperature threshold as desired value Whether the absolute value of temperature gap is more than or equal to the 11st preset temperature.If the absolute value of temperature gap is more than or equal to the 11st Preset temperature, then using the 11st temperature threshold as desired value, if the absolute value of temperature gap is less than the 11st preset temperature, Then further judge whether the absolute value of temperature gap is more than or equal to the 12nd preset temperature.If the absolute value of temperature gap is big In equal to the 12nd preset temperature, then using the 12nd temperature threshold as desired value, if the absolute value of temperature gap is less than the 12 preset temperatures, then further judge whether the absolute value of temperature gap is more than or equal to the 13rd preset temperature.If temperature The absolute value of difference is more than or equal to the 13rd preset temperature, then using the 13rd temperature threshold as desired value, if temperature gap Absolute value be less than the 13rd preset temperature, then further judge temperature gap absolute value whether be more than or equal to the 14th preset Temperature.If the absolute value of temperature gap is more than or equal to the 14th preset temperature, using the 14th temperature threshold as desired value, If the absolute value of temperature gap is less than the 14th preset temperature, using indoor temperature as desired value.

Wherein, the 9th preset temperature be less than the 8th preset temperature, the tenth preset temperature be less than the 9th preset temperature, the 11st Preset temperature is less than the tenth preset temperature, and the 12nd preset temperature is less than the 11st preset temperature, and the 13rd preset temperature is less than 12nd preset temperature, the 14th preset temperature are less than the 13rd preset temperature, can specifically be demarcated according to actual conditions, example Such as, the 8th preset temperature be b DEG C (constant), the 9th preset temperature be (b-0.5) DEG C, the tenth preset temperature be (b-1) DEG C, the tenth One preset temperature be (b-1.5) DEG C, the 12nd preset temperature be (b-2) DEG C, the 13rd preset temperature be (b-2.5) DEG C, the tenth Four preset temperatures are (b-3) DEG C.

9th temperature threshold is less than or equal to the 8th temperature threshold, and the tenth temperature threshold is less than or equal to the 9th temperature threshold, the 11 temperature thresholds be less than or equal to the tenth temperature threshold, the 12nd temperature threshold be less than or equal to the 11st temperature threshold, the 13rd Temperature threshold is less than or equal to the 12nd temperature threshold, and the 14th temperature threshold is less than or equal to the 13rd temperature threshold, specifically can root It is demarcated according to actual conditions.

It should be noted that the 8th preset temperature to the 14th preset temperature is positive value, the 8th preset temperature and first The value of preset temperature may be the same or different, and can specifically be selected according to actual conditions, not limited here.

Specifically, as shown in figure 3, when heat pump air conditioner unit is run with heating mode, according to the absolute value of temperature gap Adjust the corresponding desired value of coil pipe mean temperature of indoor heat exchanger, it may include following steps：

S201, heat pump air conditioner unit are run with heating mode.

S202 obtains difference T0, T0=between indoor temperature T1 and set temperature T2 | T2-T1 |.

S203 judges that (e.g., the 8th preset temperature can be b) whether true to the preset temperatures of T0 >=the 8th.If so, executing Step S204；If not, executing step S205.

S204, the 8th temperature threshold N8 is as desired value.

S205 judges whether the preset temperatures of T0 >=the 9th (e.g., the 9th preset temperature can be b-0.5) are true.If so, Execute step S206；If not, executing step S207.

S206, the 9th temperature threshold N9 is as desired value.

S207 judges whether the preset temperatures of T0 >=the tenth (e.g., the tenth preset temperature can be b-1) are true.If so, holding Row step S208；If not, executing step S209.

S208, the tenth temperature threshold N10 is as desired value.

S209 judges whether the preset temperatures of T0 >=the 11st (for example, the 11st preset temperature can be b-1.5) are true. If so, executing step S210；If not, executing step S211.

S210, the 11st temperature threshold N11 is as desired value.

S211 judges whether the preset temperatures of T0 >=the 12nd (for example, the 12nd preset temperature can be b-2) are true.Such as Fruit is to execute step S212；If not, executing step S213.

S212, the 12nd temperature threshold N12 is as desired value.

S213 judges whether the preset temperatures of T0 >=the 13rd (e.g., the 13rd preset temperature can be b-2.5) are true.Such as Fruit is to execute step S214；If not, executing step S215.

S214, the 13rd temperature threshold N13 is as desired value.

S215 judges whether the preset temperatures of T0 >=the 14th (e.g., the 14th preset temperature can be b-3) are true.If It is to execute step S216；If not, executing step S217.

S216, the 14th temperature threshold N14 is as desired value.

S217, indoor temperature T1 is as desired value.

It should be noted that when indoor temperature relatively low (such as winter), heat pump air conditioner unit runs heating mode, i.e., indoor The absolute value T0=T2-T1 of temperature gaps of the temperature T1 less than set temperature T2, indoor temperature T1 and set temperature T2.

As the above analysis, when heat pump air conditioner unit is run in a chiller mode, the absolute value of temperature gap is bigger, mesh Scale value is smaller, and the absolute value of temperature gap is smaller, and desired value is bigger (close to indoor temperature).When heat pump air conditioner unit is to heat mould When formula is run, the absolute value of temperature gap is bigger, and desired value is bigger, and the absolute value of temperature gap is smaller, and desired value is smaller (close Indoor temperature).

Therefore, the energy-saving control method of the heat pump air conditioner unit of the embodiment of the present invention, can be according to indoor temperature and setting Difference between temperature adjusts the corresponding desired value of mean temperature of the coil pipe of indoor heat exchanger, with the output to outdoor unit into Row is adjusted, simple and reliable, without increasing cost, can not only solve air conditioner and heat pump unit indoors temperature close to set temperature When, since outdoor unit output is bigger than normal, system energy consumption is caused to increase, not energy-efficient operation problem, while it is adjustable to be widely used in capacity Heat pump air conditioner unit, realize the comprehensive energy-saving run of system, further energy-saving and emission-reduction.

In conclusion the energy-saving control method of heat pump air conditioner unit according to the ... of the embodiment of the present invention, obtains indoor temperature, and The absolute value of the temperature gap between indoor temperature and set temperature is obtained, and judges whether the absolute value of temperature gap is less than Equal to predetermined threshold value, wherein if the absolute value of temperature gap is less than or equal to predetermined threshold value, according to the absolute value of temperature gap The corresponding desired value of coil pipe mean temperature for adjusting indoor heat exchanger, the output of outdoor unit to be adjusted.This method as a result, When can effectively solve the problem that heat pump air conditioner unit temperature is close to set temperature indoors, since outdoor unit exports bigger than normal, lead to system Energy consumption increases, not energy-efficient problem.

Fig. 4 is the structural schematic diagram of the energy-saving control device of heat pump air conditioner unit according to the ... of the embodiment of the present invention.Such as Fig. 4 institutes Show, the energy-saving control device of the heat pump air conditioner unit of the embodiment of the present invention may include：Acquisition module 10, judgment module 20 and control Module 30.

Wherein, acquisition module 10 is for obtaining indoor temperature, and obtains the temperature difference between indoor temperature and set temperature The absolute value of value.Judgment module 20 is used to judge whether the absolute value of temperature gap to be less than or equal to predetermined threshold value.Control module 30 When being less than or equal to predetermined threshold value for the absolute value in temperature gap, indoor heat exchanger is adjusted according to the absolute value of temperature gap The corresponding desired value of coil pipe mean temperature, the output of outdoor unit to be adjusted.

According to one embodiment of present invention, the absolute value of temperature gap is divided into multiple temperature ranges, each temperature range A corresponding desired value, wherein control module 30 is average in the coil pipe for adjusting indoor heat exchanger according to the absolute value of temperature gap When the corresponding desired value of temperature, it is additionally operable to judge the temperature range residing for the absolute value of temperature gap, and according to temperature gap Temperature range residing for absolute value obtains corresponding desired value.

According to one embodiment of present invention, when heat pump air conditioner unit is run in a chiller mode, control module 30 into one Step is used for, and judges whether the absolute value of temperature gap is more than or equal to the first preset temperature, if the absolute value of temperature gap is more than Equal to the first preset temperature, then using the first temperature threshold as desired value, preset if the absolute value of temperature gap is less than first Temperature, then further judge whether the absolute value of temperature gap is more than or equal to the second preset temperature, wherein the second preset temperature is small In the first preset temperature.If the absolute value of temperature gap be more than or equal to the second preset temperature, using second temperature threshold value as Desired value, wherein second temperature threshold value is more than or equal to the first temperature threshold, is preset if the absolute value of temperature gap is less than second Temperature, then further judge whether the absolute value of temperature gap is more than or equal to third preset temperature, wherein third preset temperature is small In the second preset temperature.If the absolute value of temperature gap be more than or equal to third preset temperature, using third temperature threshold as Desired value, wherein third temperature threshold is more than or equal to second temperature threshold value, if the absolute value of temperature gap is default less than third Temperature, then further judge whether the absolute value of temperature gap is more than or equal to the 4th preset temperature, wherein the 4th preset temperature is small In third preset temperature.If the absolute value of temperature gap be more than or equal to the 4th preset temperature, using the 4th temperature threshold as Desired value, wherein the 4th temperature threshold is more than or equal to third temperature threshold, is preset if the absolute value of temperature gap is less than the 4th Temperature, then further judge whether the absolute value of temperature gap is more than or equal to the 5th preset temperature, wherein the 5th preset temperature is small In the 4th preset temperature.If the absolute value of temperature gap be more than or equal to the 5th preset temperature, using the 5th temperature threshold as Desired value, wherein the 5th temperature threshold is more than or equal to the 4th temperature threshold, is preset if the absolute value of temperature gap is less than the 5th Temperature, then further judge whether the absolute value of temperature gap is more than or equal to the 6th preset temperature, wherein the 6th preset temperature is small In the 5th preset temperature.If the absolute value of temperature gap be more than or equal to the 6th preset temperature, using the 6th temperature threshold as Desired value, wherein the 6th temperature threshold is more than or equal to the 5th temperature threshold, is preset if the absolute value of temperature gap is less than the 6th Temperature, then further judge whether the absolute value of temperature gap is more than or equal to the 7th preset temperature, wherein the 7th preset temperature is small In the 6th preset temperature.If the absolute value of temperature gap be more than or equal to the 7th preset temperature, using the 7th temperature threshold as Desired value, wherein the 7th temperature threshold is more than or equal to the 6th temperature threshold, is preset if the absolute value of temperature gap is less than the 7th Temperature, then using indoor temperature as desired value.

According to another embodiment of the invention, when heat pump air conditioner unit is run with heating mode, control module 30 into One step is used for, and judges whether the absolute value of temperature gap is more than or equal to the 8th preset temperature, if the absolute value of temperature gap is big In equal to the 8th preset temperature, then using the 8th temperature threshold as desired value, if to be less than the 8th pre- for the absolute value of temperature gap If temperature, then further judge whether the absolute value of temperature gap is more than or equal to the 9th preset temperature, wherein the 9th preset temperature Less than the 8th preset temperature.If the absolute value of temperature gap is more than or equal to the 9th preset temperature, the 9th temperature threshold is made For desired value, wherein the 9th temperature threshold is less than or equal to the 8th temperature threshold, if the absolute value of temperature gap is less than the 9th in advance If temperature, then further judge whether the absolute value of temperature gap is more than or equal to the tenth preset temperature, wherein the tenth preset temperature Less than the 9th preset temperature.If the absolute value of temperature gap is more than or equal to the tenth preset temperature, the tenth temperature threshold is made For desired value, wherein the tenth temperature threshold is less than or equal to the 9th temperature threshold, if the absolute value of temperature gap is less than the tenth in advance If temperature, then further judge whether the absolute value of temperature gap is more than or equal to the 11st preset temperature, wherein the 11st is default Temperature is less than the tenth preset temperature.If the absolute value of temperature gap is more than or equal to the 11st preset temperature, by the 11st temperature Threshold value is spent as desired value, wherein the 11st temperature threshold is less than or equal to the tenth temperature threshold, if the absolute value of temperature gap Less than the 11st preset temperature, then further judge whether the absolute value of temperature gap is more than or equal to the 12nd preset temperature, In, the 12nd preset temperature is less than the 11st preset temperature.If the absolute value of temperature gap is more than or equal to the 12nd default temperature Degree, then using the 12nd temperature threshold as desired value, wherein the 12nd temperature threshold is less than or equal to the 11st temperature threshold, such as The absolute value of fruit temperature gap is less than the 12nd preset temperature, then further judges whether the absolute value of temperature gap is more than or equal to 13rd preset temperature, wherein the 13rd preset temperature is less than the 12nd preset temperature.If the absolute value of temperature gap is more than Equal to the 13rd preset temperature, then using the 13rd temperature threshold as desired value, wherein the 13rd temperature threshold is less than or equal to the 12 temperature thresholds further judge the exhausted of temperature gap if the absolute value of temperature gap is less than the 13rd preset temperature Whether the 14th preset temperature is more than or equal to value, wherein the 14th preset temperature is less than the 13rd preset temperature.If temperature The absolute value of difference is more than or equal to the 14th preset temperature, then using the 14th temperature threshold as desired value, wherein the 14th temperature It spends threshold value and is less than or equal to the 13rd temperature threshold, it, will be indoor if the absolute value of temperature gap is less than the 14th preset temperature Temperature is as desired value.

It should be noted that undisclosed details in the energy-saving control device of the heat pump air conditioner unit of the embodiment of the present invention, The details disclosed in the energy-saving control method of the heat pump air conditioner unit of the embodiment of the present invention is please referred to, it is specifically no longer superfluous here It states.

In addition, the embodiment of the present invention also proposed a kind of non-transitorycomputer readable storage medium, it is stored thereon with Computer program, the program realize the energy-saving control method of above-mentioned heat pump air conditioner unit when being executed by processor.

In addition, the embodiment of the present invention also proposed a kind of heat pump air conditioner unit comprising above-mentioned heat pump air conditioner unit Energy-saving control device.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three It is a etc., unless otherwise specifically defined.

Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes It is one or more for realizing custom logic function or process the step of executable instruction code module, segment or portion Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable Sequence, include according to involved function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be of the invention Embodiment person of ordinary skill in the field understood.

Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for Instruction execution system, device or equipment (system of such as computer based system including processor or other can be held from instruction The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicating, propagating or passing Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment It sets.The more specific example (non-exhaustive list) of computer-readable medium includes following：Electricity with one or more wiring Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory (ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable Medium, because can be for example by carrying out optical scanner to paper or other media, then into edlin, interpretation or when necessary with it His suitable method is handled electronically to obtain described program, is then stored in computer storage.

It should be appreciated that each section of the present invention can be realized with hardware, software, firmware or combination thereof.Above-mentioned In embodiment, software that multiple steps or method can in memory and by suitable instruction execution system be executed with storage Or firmware is realized.Such as, if realized in another embodiment with hardware, following skill well known in the art can be used Any one of art or their combination are realized：With for data-signal realize logic function logic gates from Logic circuit is dissipated, the application-specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), scene can compile Journey gate array (FPGA) etc..

Those skilled in the art are appreciated that realize all or part of step that above-described embodiment method carries Suddenly it is that relevant hardware can be instructed to complete by program, the program can be stored in a kind of computer-readable storage medium In matter, which includes the steps that one or a combination set of embodiment of the method when being executed.

In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, it can also That each unit physically exists alone, can also two or more units be integrated in a module.Above-mentioned integrated mould The form that hardware had both may be used in block is realized, can also be realized in the form of software function module.The integrated module is such as Fruit is realized in the form of software function module and when sold or used as an independent product, can also be stored in a computer In read/write memory medium.

Storage medium mentioned above can be read-only memory, disk or CD etc..Although having been shown and retouching above The embodiment of the present invention is stated, it is to be understood that above-described embodiment is exemplary, and should not be understood as the limit to the present invention System, those skilled in the art can be changed above-described embodiment, change, replace and become within the scope of the invention Type.

In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.

Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changes, replacing and modification.

Claims

1. a kind of energy-saving control method of heat pump air conditioner unit, which is characterized in that include the following steps：

Indoor temperature is obtained, and obtains the absolute value of the temperature gap between the indoor temperature and set temperature；

Judge whether the absolute value of the temperature gap is less than or equal to predetermined threshold value；

If the absolute value of the temperature gap is less than or equal to predetermined threshold value, according to the absolute value regulation room of the temperature gap The corresponding desired value of coil pipe mean temperature of interior heat exchanger, the output of outdoor unit to be adjusted.

2. the energy-saving control method of heat pump air conditioner unit as described in claim 1, which is characterized in that the temperature gap it is exhausted Multiple temperature ranges are divided into value, each temperature range corresponds to a desired value, wherein according to the exhausted of the temperature gap The corresponding desired value of coil pipe mean temperature of indoor heat exchanger is adjusted to value, including：

Judge the temperature range residing for the absolute value of the temperature gap；

Temperature range residing for the absolute value of the temperature gap obtains corresponding desired value.

3. the energy-saving control method of heat pump air conditioner unit as claimed in claim 1 or 2, which is characterized in that when heat pump sky When unit being adjusted to run in a chiller mode, the coil pipe mean temperature pair of indoor heat exchanger is adjusted according to the absolute value of the temperature gap The desired value answered, including：

Judge whether the absolute value of the temperature gap is more than or equal to the first preset temperature；

If the absolute value of the temperature gap is more than or equal to the first preset temperature, using the first temperature threshold as the target Value；

If the absolute value of the temperature gap is less than the first preset temperature, the absolute value of the temperature gap is further judged Whether the second preset temperature is more than or equal to, wherein second preset temperature is less than first preset temperature；

If the absolute value of the temperature gap is more than or equal to the second preset temperature, using second temperature threshold value as the target Value, wherein the second temperature threshold value is more than or equal to first temperature threshold；

If the absolute value of the temperature gap is less than the second preset temperature, the absolute value of the temperature gap is further judged Whether third preset temperature is more than or equal to, wherein the third preset temperature is less than second preset temperature；

If the absolute value of the temperature gap is more than or equal to third preset temperature, using third temperature threshold as the target Value, wherein the third temperature threshold is more than or equal to the second temperature threshold value；

If the absolute value of the temperature gap is less than third preset temperature, the absolute value of the temperature gap is further judged Whether the 4th preset temperature is more than or equal to, wherein the 4th preset temperature is less than the third preset temperature；

If the absolute value of the temperature gap is more than or equal to the 4th preset temperature, using the 4th temperature threshold as the target Value, wherein the 4th temperature threshold is more than or equal to the third temperature threshold；

If the absolute value of the temperature gap is less than the 4th preset temperature, the absolute value of the temperature gap is further judged Whether the 5th preset temperature is more than or equal to, wherein the 5th preset temperature is less than the 4th preset temperature；

If the absolute value of the temperature gap is more than or equal to the 5th preset temperature, using the 5th temperature threshold as the target Value, wherein the 5th temperature threshold is more than or equal to the 4th temperature threshold；

If the absolute value of the temperature gap is less than the 5th preset temperature, the absolute value of the temperature gap is further judged Whether the 6th preset temperature is more than or equal to, wherein the 6th preset temperature is less than the 5th preset temperature；

If the absolute value of the temperature gap is more than or equal to the 6th preset temperature, using the 6th temperature threshold as the target Value, wherein the 6th temperature threshold is more than or equal to the 5th temperature threshold；

If the absolute value of the temperature gap is less than the 6th preset temperature, the absolute value of the temperature gap is further judged Whether the 7th preset temperature is more than or equal to, wherein the 7th preset temperature is less than the 6th preset temperature；

If the absolute value of the temperature gap is more than or equal to the 7th preset temperature, using the 7th temperature threshold as the target Value, wherein the 7th temperature threshold is more than or equal to the 6th temperature threshold；

If the absolute value of the temperature gap is less than the 7th preset temperature, using the indoor temperature as the desired value.

4. the energy-saving control method of heat pump air conditioner unit as claimed in claim 1 or 2, which is characterized in that when heat pump sky When unit being adjusted to be run with heating mode, the coil pipe mean temperature pair of indoor heat exchanger is adjusted according to the absolute value of the temperature gap The desired value answered, including：

Judge whether the absolute value of the temperature gap is more than or equal to the 8th preset temperature；

If the absolute value of the temperature gap is more than or equal to the 8th preset temperature, using the 8th temperature threshold as the target Value；

If the absolute value of the temperature gap is less than the 8th preset temperature, the absolute value of the temperature gap is further judged Whether the 9th preset temperature is more than or equal to, wherein the 9th preset temperature is less than the 8th preset temperature；

If the absolute value of the temperature gap is more than or equal to the 9th preset temperature, using the 9th temperature threshold as the target Value, wherein the 9th temperature threshold is less than or equal to the 8th temperature threshold；

If the absolute value of the temperature gap is less than the 9th preset temperature, the absolute value of the temperature gap is further judged Whether the tenth preset temperature is more than or equal to, wherein the tenth preset temperature is less than the 9th preset temperature；

If the absolute value of the temperature gap is more than or equal to the tenth preset temperature, using the tenth temperature threshold as the target Value, wherein the tenth temperature threshold is less than or equal to the 9th temperature threshold；

If the absolute value of the temperature gap is less than the tenth preset temperature, the absolute value of the temperature gap is further judged Whether the 11st preset temperature is more than or equal to, wherein the 11st preset temperature is less than the tenth preset temperature；

If the absolute value of the temperature gap is more than or equal to the 11st preset temperature, using the 11st temperature threshold as described in Desired value, wherein the 11st temperature threshold is less than or equal to the tenth temperature threshold；

If the absolute value of the temperature gap is less than the 11st preset temperature, the absolute of the temperature gap is further judged Whether value is more than or equal to the 12nd preset temperature, wherein the 12nd preset temperature is less than the 11st preset temperature；

If the absolute value of the temperature gap is more than or equal to the 12nd preset temperature, using the 12nd temperature threshold as described in Desired value, wherein the 12nd temperature threshold is less than or equal to the 11st temperature threshold；

If the absolute value of the temperature gap is less than the 12nd preset temperature, the absolute of the temperature gap is further judged Whether value is more than or equal to the 13rd preset temperature, wherein the 13rd preset temperature is less than the 12nd preset temperature；

If the absolute value of the temperature gap is more than or equal to the 13rd preset temperature, using the 13rd temperature threshold as described in Desired value, wherein the 13rd temperature threshold is less than or equal to the 12nd temperature threshold；

If the absolute value of the temperature gap is less than the 13rd preset temperature, the absolute of the temperature gap is further judged Whether value is more than or equal to the 14th preset temperature, wherein the 14th preset temperature is less than the 13rd preset temperature；

If the absolute value of the temperature gap is more than or equal to the 14th preset temperature, using the 14th temperature threshold as described in Desired value, wherein the 14th temperature threshold is less than or equal to the 13rd temperature threshold；

If the absolute value of the temperature gap is less than the 14th preset temperature, using the indoor temperature as the target Value.

5. a kind of non-transitorycomputer readable storage medium, is stored thereon with computer program, which is characterized in that the program quilt The energy-saving control method of the heat pump air conditioner unit as described in any one of claim 1-4 is realized when processor executes.

6. a kind of energy-saving control device of heat pump air conditioner unit, which is characterized in that including：

Acquisition module for obtaining indoor temperature, and obtains the exhausted of temperature gap between the indoor temperature and set temperature To value；

Judgment module, for judging whether the absolute value of the temperature gap is less than or equal to predetermined threshold value；

Control module, according to the exhausted of the temperature gap when for the absolute value in the temperature gap less than or equal to predetermined threshold value The corresponding desired value of coil pipe mean temperature that indoor heat exchanger is adjusted to value, the output of outdoor unit to be adjusted.

7. the energy-saving control device of heat pump air conditioner unit as claimed in claim 6, which is characterized in that the temperature gap it is exhausted Multiple temperature ranges are divided into value, each temperature range corresponds to a desired value, wherein the control module is according to institute When stating the absolute value of temperature gap and adjusting the corresponding desired value of coil pipe mean temperature of indoor heat exchanger, it is additionally operable to judge the temperature The temperature range residing for the absolute value of difference is spent, and the temperature range residing for the absolute value of the temperature gap is obtained and corresponded to Desired value.

8. the energy-saving control device of heat pump air conditioner unit as claimed in claims 6 or 7, which is characterized in that when heat pump sky When unit being adjusted to run in a chiller mode, the control module is further used for,

9. the energy-saving control device of heat pump air conditioner unit as claimed in claims 6 or 7, which is characterized in that when heat pump sky When unit being adjusted to be run with heating mode, the control module is further used for,

10. a kind of heat pump air conditioner unit, which is characterized in that include the heat-pump air-conditioner as described in any one of claim 6-9 The energy-saving control device of group.