CN105258292A - Heat pump air conditioning unit and energy-saving control method and device thereof - Google Patents
Heat pump air conditioning unit and energy-saving control method and device thereof Download PDFInfo
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- CN105258292A CN105258292A CN201510701653.7A CN201510701653A CN105258292A CN 105258292 A CN105258292 A CN 105258292A CN 201510701653 A CN201510701653 A CN 201510701653A CN 105258292 A CN105258292 A CN 105258292A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000007613 environmental effect Effects 0.000 claims abstract description 14
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 238000001816 cooling Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a heat pump air conditioning unit and an energy-saving control method and device thereof. The energy-saving control method of the heat pump air conditioning unit comprises the following steps: acquiring an upper limit set value and a lower limit set value of the environmental temperature set by a user; acquiring a room temperature upper limit set value and a room temperature lower limit set value set by a user; acquiring the current environment temperature; and determining a room temperature set value of the heat pump air conditioning unit according to the magnitude relation between the current environment temperature and the environment temperature upper limit set value and the environment temperature lower limit set value so as to enable the room temperature to be close to the environment temperature acceptable by a user, thereby reducing the indoor and outdoor temperature difference. The invention can lead the room temperature of the user to be close to the environment temperature which can be accepted by the user, avoids unnecessary energy consumption, avoids the discomfort of the user when the user goes in and out caused by large difference of indoor and outdoor temperature, and achieves the purpose of intelligent home control.
Description
Technical Field
The invention relates to the field of air conditioning unit control, in particular to a heat pump air conditioning unit and an energy-saving control method and device thereof.
Background
Along with the continuous integration and progress of scientific technology and life quality, the requirement of consumers on the life quality is continuously improved, the traditional heat pump air conditioner refrigeration (heating) is mainly used for singly controlling the unit according to the requirement of setting room temperature by a user, the output load is singly increased (reduced), the energy consumption is large, and when the user wants to change the room temperature, the user needs to manually set different room temperatures by himself, so that the energy-saving household intelligent heat pump air conditioner has a certain difference with the energy-saving life advocated by modern times and the intelligent household.
Disclosure of Invention
The embodiment of the invention provides a heat pump air conditioning unit and an energy-saving control method and device thereof, and aims to solve the problems that an air conditioner in the prior art has large energy consumption due to single increase and decrease of output load according to room demand load, and a user needs to manually set different room temperatures when wanting to change the room temperatures.
In order to achieve the above object, an embodiment of the present invention provides an energy saving control method for a heat pump air conditioning unit, including: acquiring an upper limit set value and a lower limit set value of the environmental temperature set by a user; acquiring a room temperature upper limit set value and a room temperature lower limit set value set by a user; acquiring the current environment temperature; and determining a room temperature set value of the heat pump air conditioning unit according to the magnitude relation between the current environment temperature and the environment temperature upper limit set value and the environment temperature lower limit set value so as to enable the room temperature to be close to the environment temperature acceptable by a user, thereby reducing the indoor and outdoor temperature difference.
Preferably, the room temperature setting value is set to the room temperature upper limit setting value if the current ambient temperature is less than the ambient temperature lower limit setting value.
Preferably, if the current ambient temperature is greater than the ambient temperature upper limit setting, the room temperature setting is set to the room temperature lower limit setting.
Preferably, if the current ambient temperature is greater than the lower ambient temperature limit setting value and less than the upper ambient temperature limit setting value, the room temperature setting value is set to:
wherein,
TroomA room temperature set value;
Tupper limit of ring temperatureIs ambient temperatureAn upper limit set value;
Tlower limit of ring temperatureIs a set value of the lower limit of the environmental temperature;
Tupper limit of roomIs the upper limit set value of the room temperature;
Tlower limit of roomIs a set value of the lower limit of the room temperature;
Tenvironment(s)Is the current ambient temperature.
The invention also provides an energy-saving control device of the heat pump air conditioning unit, which comprises the following components: the first acquisition module is used for acquiring an environment temperature upper limit set value and an environment temperature lower limit set value set by a user; the second acquisition module is used for acquiring a room temperature upper limit set value and a room temperature lower limit set value set by a user; the third acquisition module is used for acquiring the current ambient temperature; and the control module is used for determining a room temperature set value of the heat pump air conditioning unit according to the magnitude relation between the current environment temperature and the environment temperature upper limit set value and the environment temperature lower limit set value so as to enable the room temperature to be close to the environment temperature acceptable by a user, thereby reducing the indoor and outdoor temperature difference.
Preferably, the control module includes a first control sub-module, configured to set the room temperature setting value as the room temperature upper limit setting value when the current ambient temperature is less than the ambient temperature lower limit setting value.
Preferably, the control module includes a first control sub-module, configured to set the room temperature setting value as the room temperature lower limit setting value when the current ambient temperature is greater than the ambient temperature upper limit setting value.
Preferably, the control module includes a first control sub-module, configured to set the room temperature setting value to be:
wherein,
TroomA room temperature set value;
Tupper limit of ring temperatureIs an upper limit set value of the environmental temperature;
Tlower limit of ring temperatureIs a set value of the lower limit of the environmental temperature;
Tupper limit of roomIs the upper limit set value of the room temperature;
Tlower limit of roomIs a set value of the lower limit of the room temperature;
Tenvironment(s)Is the current ambient temperature.
The invention also provides a heat pump air conditioning unit which comprises the energy-saving control device of the heat pump air conditioning unit.
The intelligent household control system can enable the room temperature of a user to be close to the environment temperature acceptable by the user, avoid unnecessary energy consumption, avoid discomfort caused by large difference between indoor and outdoor temperatures when the user goes in and out, achieve the purpose of intelligent household control, and solve the problems that the air conditioner in the prior art has large energy consumption due to single increase and decrease of output load according to the room demand load, and the user needs to manually set different room temperatures when the user wants to change the room temperature.
Drawings
FIG. 1 is a flow chart of an energy-saving control method for a heat pump air conditioning unit according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of an energy-saving control device of a heat pump air conditioning unit according to an embodiment of the invention.
Detailed Description
The invention is described in further detail below with reference to the figures and the examples, but without limiting the invention.
In order to fully combine and utilize natural green energy, create a more intelligent and energy-saving living environment and combine the maturity of the existing detachable air source heat pump air conditioner (hereinafter referred to as heat pump air conditioner) technology, the invention designs a heat pump air conditioning unit, which uses an energy-saving method of outdoor environment temperature control to intelligently regulate by using the outdoor environment temperature according to the requirements set by users, so that the indoor temperature changes along with the outdoor environment temperature, the indoor and outdoor temperature difference is reduced, and the application of intelligent home control in living air regulation is achieved.
Referring to fig. 1, an embodiment of the present invention provides an energy saving control method for a heat pump air conditioning unit, including: acquiring an upper limit set value and a lower limit set value of the environmental temperature set by a user; acquiring a room temperature upper limit set value and a room temperature lower limit set value set by a user; acquiring the current environment temperature; and determining a room temperature set value of the heat pump air conditioning unit according to the magnitude relation between the current environment temperature and the environment temperature upper limit set value and the environment temperature lower limit set value so as to enable the room temperature to be close to the environment temperature acceptable by a user, thereby reducing the indoor and outdoor temperature difference. The environment temperature accepted by the user is the temperature range between the environment temperature upper limit set value and the environment temperature lower limit set value.
By adopting the technical scheme, the invention can take the outdoor environment temperature as the reference temperature, use the outdoor environment temperature to carry out energy-saving control, preferentially take the current environment temperature as the input value and judge the magnitude relation between the current environment temperature and the environment temperature setting range on the basis that the user sets the environment temperature setting range (namely the range between the environment temperature upper limit setting value and the environment temperature lower limit setting value) which is relied by the heat pump air conditioning unit, and then control the load output quantity of the heat pump air conditioning unit, thereby leading the room temperature of the user to be close to the environment temperature which can be accepted by the user, avoiding unnecessary energy consumption, avoiding the discomfort of the user when the user goes in and out due to the large difference of the indoor and outdoor temperature, achieving the purpose of intelligent household control, solving the problem that the air conditioner in the prior art singly increases or decreases the output load according to the room demand load, the energy consumption is large, and the user needs to set different room temperatures manually when wanting to change the room temperature.
Preferably, if the current ambient temperature is less than the ambient temperature lower limit setting, the room temperature setting is set to the room temperature upper limit setting. For example, in the heating mode, when the current ambient temperature is less than the set lower ambient temperature limit, the ambient temperature is lower and cooler, and the user needs a larger amount of heat to raise the indoor temperature and to raise the comfort level, so the room temperature set value is set as the upper room temperature limit set value. For example, in the cooling mode, when the current ambient temperature is lower than the set ambient temperature lower limit set value, the ambient temperature is low, the amount of cooling required by the user is small, and the indoor temperature needs to be increased to ensure comfort, and therefore, the room temperature set value is set as the room temperature upper limit set value.
Preferably, if the current ambient temperature is greater than the ambient temperature upper limit setting, the room temperature setting is set to the room temperature lower limit setting. For example, in the heating mode, when the current ambient temperature is greater than the set upper ambient temperature limit setting value, the ambient temperature is high and warm, and the user needs less heat, and therefore, the room temperature setting value is set as the lower room temperature limit setting value. For example, in the cooling mode, when the current ambient temperature is higher than the set ambient temperature upper limit setting value, the ambient temperature is high, and the user requires a large amount of cooling energy, and therefore the room temperature setting value is set as the room temperature lower limit setting value.
Preferably, if the current ambient temperature is greater than the lower ambient temperature limit setting and less than the upper ambient temperature limit setting, the room temperature setting is set to:
wherein,
TroomA room temperature set value;
Tupper limit of ring temperatureIs an upper limit set value of the environmental temperature;
Tlower limit of ring temperatureIs a set value of the lower limit of the environmental temperature;
Tupper limit of roomIs the upper limit set value of the room temperature;
Tlower limit of roomIs a set value of the lower limit of the room temperature;
Tenvironment(s)Is the current ambient temperature.
For example, in the heating mode, when the current ambient temperature is between the lower limit setting value and the upper limit setting value of the set ambient temperature, the ambient temperature reaches the user's acceptance range, and since the outdoor ambient temperature changes in real time, in order to ensure that the user will not feel uncomfortable when getting in and out due to the large temperature difference between the indoor and outdoor, the T determined by the above formula can be calculatedRoomAs a room temperature set point.
For another example, in the cooling mode, when the current ambient temperature is between the lower limit setting value and the upper limit setting value of the set ambient temperature, the ambient temperature reaches the user's acceptance range, and since the outdoor ambient temperature changes in real time, in order to ensure that the user will feel uncomfortable when getting in and out due to the large temperature difference between the indoor and outdoor, the T determined by the above formula can be calculatedRoomAs a room temperature set point.
Referring to fig. 2, the present invention further provides an energy saving control device for a heat pump air conditioning unit, which can be used to implement the above control method, and therefore, the repetition of the above control method is not repeated here.
In one embodiment, the heat pump air conditioning unit energy-saving control device comprises: the first acquisition module is used for acquiring an environment temperature upper limit set value and an environment temperature lower limit set value set by a user; the second acquisition module is used for acquiring a room temperature upper limit set value and a room temperature lower limit set value set by a user; the third acquisition module is used for acquiring the current ambient temperature; and the control module is used for determining a room temperature set value of the heat pump air conditioning unit according to the magnitude relation between the current environment temperature and the environment temperature upper limit set value and the environment temperature lower limit set value so as to enable the room temperature to be close to the environment temperature acceptable by a user, thereby reducing the indoor and outdoor temperature difference.
Preferably, the control module includes a first control sub-module configured to set the room temperature setting value to the room temperature upper limit setting value when the current ambient temperature is less than the ambient temperature lower limit setting value.
Preferably, the control module includes a first control sub-module configured to set the room temperature setting value to the room temperature lower limit setting value when the current ambient temperature is greater than the ambient temperature upper limit setting value.
Preferably, the control module includes a first control sub-module, configured to set the room temperature setting value to:
wherein,
TroomA room temperature set value;
Tupper limit of ring temperatureSet value for upper limit of ambient temperature；
TLower limit of ring temperatureIs a set value of the lower limit of the environmental temperature;
Tupper limit of roomIs the upper limit set value of the room temperature;
Tlower limit of roomIs a set value of the lower limit of the room temperature;
Tenvironment(s)Is the current ambient temperature.
The invention also provides a heat pump air conditioning unit which comprises the energy-saving control device of the heat pump air conditioning unit.
By adopting the technical scheme of the invention, the room temperature of the user can be close to the environment temperature acceptable by the user, unnecessary energy consumption is avoided, and the discomfort of the user when the user goes in and out due to large difference of the indoor and outdoor temperatures is avoided. Furthermore, the heat pump air conditioning unit is controlled by depending on the ambient temperature, the temperature is adjusted in real time according to the ambient temperature and the user requirements, and the intelligent home furnishing effect advocated at present is met.
Of course, the above is a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and refinements can be made without departing from the basic principle of the invention, and these modifications and refinements are also considered to be within the protective scope of the invention.
Claims (9)
1. An energy-saving control method for a heat pump air conditioning unit is characterized by comprising the following steps:
acquiring an upper limit set value and a lower limit set value of the environmental temperature set by a user;
acquiring a room temperature upper limit set value and a room temperature lower limit set value set by a user;
acquiring the current environment temperature;
and determining a room temperature set value of the heat pump air conditioning unit according to the magnitude relation between the current environment temperature and the environment temperature upper limit set value and the environment temperature lower limit set value so as to enable the room temperature to be close to the environment temperature acceptable by a user, thereby reducing the indoor and outdoor temperature difference.
2. The energy-saving control method for the heat pump air conditioning unit according to claim 1, wherein if the current ambient temperature is less than the lower ambient temperature limit setting, the room temperature setting is set as the upper room temperature limit setting.
3. The energy-saving control method for the heat pump air conditioning unit according to claim 1, wherein if the current ambient temperature is greater than the upper ambient temperature limit setting value, the room temperature setting value is set as the lower room temperature limit setting value.
4. The energy-saving control method for the heat pump air conditioning unit according to claim 1, wherein if the current ambient temperature is greater than the lower ambient temperature limit setting value and less than the upper ambient temperature limit setting value, the room temperature setting value is set as:
wherein,
TroomA room temperature set value;
Tupper limit of ring temperatureIs an upper limit set value of the environmental temperature;
Tlower limit of ring temperatureIs a set value of the lower limit of the environmental temperature;
Tupper limit of roomIs the upper limit set value of the room temperature;
Tlower limit of roomIs a set value of the lower limit of the room temperature;
Tenvironment(s)Is the current ambient temperature.
5. The utility model provides a heat pump air conditioning unit energy-saving control device which characterized in that includes:
the first acquisition module is used for acquiring an environment temperature upper limit set value and an environment temperature lower limit set value set by a user;
the second acquisition module is used for acquiring a room temperature upper limit set value and a room temperature lower limit set value set by a user;
the third acquisition module is used for acquiring the current ambient temperature;
and the control module is used for determining a room temperature set value of the heat pump air conditioning unit according to the magnitude relation between the current environment temperature and the environment temperature upper limit set value and the environment temperature lower limit set value so as to enable the room temperature to be close to the environment temperature acceptable by a user, thereby reducing the indoor and outdoor temperature difference.
6. The heat pump air conditioning unit energy saving control device of claim 5, wherein the control module comprises a first control sub-module for setting the room temperature setting to the room temperature upper limit setting when the current ambient temperature is less than the ambient temperature lower limit setting.
7. The heat pump air conditioning unit energy saving control device of claim 5, wherein the control module comprises a first control sub-module for setting the room temperature set point to the room temperature lower limit set point when the current ambient temperature is greater than the ambient temperature upper limit set point.
8. The heat pump air conditioning unit energy saving control device according to claim 5, wherein the control module comprises a first control sub-module for setting the room temperature setting value to be:
wherein,
TroomA room temperature set value;
Tupper limit of ring temperatureIs an upper limit set value of the environmental temperature;
Tlower limit of ring temperatureIs a set value of the lower limit of the environmental temperature;
Tupper limit of roomIs the upper limit set value of the room temperature;
Tlower limit of roomIs a set value of the lower limit of the room temperature;
Tenvironment(s)Is the current ambient temperature.
9. A heat pump air conditioning unit characterized by comprising the heat pump air conditioning unit energy saving control device according to any one of claims 5 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510701653.7A CN105258292B (en) | 2015-10-22 | 2015-10-22 | Heat pump air conditioning unit and energy-saving control method and device thereof |
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| CN201510701653.7A CN105258292B (en) | 2015-10-22 | 2015-10-22 | Heat pump air conditioning unit and energy-saving control method and device thereof |
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| CN105258292A true CN105258292A (en) | 2016-01-20 |
| CN105258292B CN105258292B (en) | 2018-02-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108826573A (en) * | 2018-07-06 | 2018-11-16 | 海信科龙电器股份有限公司 | Air conditioner control method and air conditioner |
| CN111895623A (en) * | 2020-08-12 | 2020-11-06 | 上海市建筑科学研究院有限公司 | Control method and system for multi-connected air conditioning unit |
| CN114646142A (en) * | 2022-03-18 | 2022-06-21 | 青岛海尔空调器有限总公司 | Method and device for controlling air conditioner and air conditioner |
| CN117109058A (en) * | 2023-10-25 | 2023-11-24 | 华清安泰能源股份有限公司 | Automatic energy supply method and device based on indoor temperature |
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| CN105258292B (en) | 2018-02-23 |
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