CN113048535A - Energy-saving operation control system and method for air source heat pump - Google Patents
Energy-saving operation control system and method for air source heat pump Download PDFInfo
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- CN113048535A CN113048535A CN202110336183.4A CN202110336183A CN113048535A CN 113048535 A CN113048535 A CN 113048535A CN 202110336183 A CN202110336183 A CN 202110336183A CN 113048535 A CN113048535 A CN 113048535A
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- heat pump
- source heat
- air source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/02—Hot-water central heating systems with forced circulation, e.g. by pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1039—Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses a heat pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/18—Hot-water central heating systems using heat pumps
Abstract
The invention provides an energy-saving operation control system and method for an air source heat pump, wherein the system comprises a field execution system and a cloud server processing system which are in communication connection; the system comprises a field execution system, a cloud server processing system and a cloud server processing system, wherein the field execution system comprises a user side, a circulating pump room, a primary air source heat pump group, a secondary air source heat pump group, a user temperature acquisition module and a data monitoring module, the user temperature acquisition module and the data monitoring module upload acquired data to a data analysis module of the cloud server processing system, and the circulating pump room, the primary air source heat pump group and the secondary air source heat pump group are sequentially connected in series on a heat supply pipeline; the cloud server processing system comprises a data analysis module, an intelligent control module, a real-time monitoring module and a parameter setting module. The invention adopts a centralized control mode, can maximize the performance of the air source heat pump and optimize the energy-saving effect.
Description
Technical Field
The invention relates to the technical field of energy-saving operation of air source heat pumps, in particular to an energy-saving operation control system and method of an air source heat pump.
Background
Because the power of a single air source heat pump unit is low, a plurality of devices need to be networked to operate when large-area heat supply is carried out, and dozens or even hundreds of air source heat pumps are often networked to operate. Because air source heat pump equipment is numerous, the problem such as energy consumption height, many units can not the steady operation, the heat supply difference is not up to standard, can't realize accurate regulation and control often appears in operation, and the concrete expression is that opening and stopping is not controlled for the series-parallel connection heating appears, appears fixed one-level or second grade and always operates, and the one-level can't reach the output load of design because the design temperature can't reach start-up temperature and always operate in addition.
Disclosure of Invention
According to the technical problems that the air source heat pump is high in energy consumption, multiple units cannot stably operate, the heat supply temperature difference does not reach the standard, accurate regulation and control cannot be achieved and the like in large-area heat supply, and the energy-saving operation control system and method for the air source heat pump are provided. The invention adopts a centralized control mode, can maximize the performance of the air source heat pump and optimize the energy-saving effect.
The technical means adopted by the invention are as follows:
an energy-saving operation control system of an air source heat pump comprises: the system comprises a field execution system and a cloud server processing system which are in communication connection;
the field execution system comprises a user side, a circulating pump room, a primary air source heat pump group, a secondary air source heat pump group, a user temperature acquisition module and a data monitoring module, wherein the circulating pump room is used for providing circulating power for circulating water in a heat supply pipeline;
the cloud server processing system comprises a data analysis module, an intelligent control module, a real-time monitoring module and a parameter setting module, wherein the data analysis module sends acquired field data to the intelligent control module and the real-time monitoring module, and the intelligent control module generates a control instruction for controlling the start and stop of the primary air source heat pump unit and the secondary air source heat pump unit according to action conditions preset by the parameter setting module.
Furthermore, the cloud server processing system further comprises an alarm management module, the data monitoring module is further used for collecting and sending the working states of the primary air source heat pump group and the secondary air source heat pump group to the data analysis module, and the data analysis module carries out alarm judgment according to the working states of the primary air source heat pump group and the secondary air source heat pump group and stores alarm information to the alarm management module.
Furthermore, the cloud server processing system further comprises a meteorological data acquisition module which is used for sending the collected meteorological data to a data analysis module and assisting in generating a control instruction for controlling the start and stop of the primary air source heat pump unit and the secondary air source heat pump unit.
Further, the cloud server further comprises a comprehensive analysis module.
Further, the cloud server further comprises a report management module.
Further, the cloud server further comprises a basic information management module.
The invention also provides an energy-saving operation control method of the air source heat pump, which is realized based on the system and comprises the following steps:
s1, judging the running time, and synchronously starting the primary air source heat pump unit and the secondary air source heat pump unit when judging that the running period is allowed again at the current time, otherwise, starting a closing program by the system;
s2, after the primary air source heat pump unit and the secondary air source heat pump unit are started successfully, circulating water in the pipeline is heated, and when the difference value between the outlet water temperature and the return water temperature of the air source heat pump is judged to be within the alarm interval, the low temperature difference alarm of the air source heat pump is carried out.
Further, step S1 further includes: and after the running time is judged, judging the starting temperature difference condition, and synchronously starting the primary air source heat pump unit and the secondary air source heat pump unit when the judgment result meets the starting condition.
Further, the system startup shutdown procedure includes: and detecting the running states of the primary air source heat pump group and the secondary air source heat pump group according to the preset delay time, and starting an alarm program when at least one air source heat pump is judged to be started.
Compared with the prior art, the invention has the following advantages:
the invention adopts a centralized control mode, can maximize the performance of the air source heat pump and optimize the energy-saving effect. The invention overcomes the control requirement that the first-stage heating temperature difference is small and can not meet the requirement of large-temperature-difference heating equipment in the prior art, and the first-stage and the second-stage heating equipment can simultaneously work and stop simultaneously through series centralized control.
Based on the reasons, the invention can be widely popularized in the field of heat supply.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a structural diagram of an energy-saving operation control system of an air source heat pump.
Fig. 2 is a flow chart of the air source heat pump energy-saving operation control system working in a time-sharing temperature-sharing mode.
Fig. 3 is a flow chart of the air source heat pump energy-saving operation control system in the temperature compensation mode.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present invention provides an energy-saving operation control system for an air source heat pump, which is characterized by comprising: the system comprises a field execution system and a cloud server processing system which are in communication connection;
the field execution system comprises a user end, a circulating pump room for providing circulating power for circulating water in the heat supply pipeline, a primary air source heat pump set and a secondary air source heat pump set for heating the circulating water in the heat supply pipeline, a user temperature acquisition module for acquiring the temperature of a user side, and a data monitoring module for acquiring the temperature of the primary air source heat pump set and the secondary air source heat pump set and the temperature of return water, wherein the user temperature acquisition module and the data monitoring module upload acquired data to a data analysis module of the cloud server processing system, and the circulating pump room, the primary air source set and the secondary air source heat pump set are sequentially connected in series on the heat supply pipeline. In particular, the primary and secondary air source heat pump banks may be multiple sets of air source devices, each set of air sources may be multiple air sources.
The cloud server processing system comprises a data analysis module, an intelligent control module, a real-time monitoring module and a parameter setting module, wherein the data analysis module sends acquired field data to the intelligent control module and the real-time monitoring module, and the intelligent control module generates a control instruction for controlling the start and stop of the primary air source heat pump unit and the secondary air source heat pump unit according to action conditions preset by the parameter setting module. Specifically, the control instruction is sent from the cloud platform to the field eco communication module to adopt Ethernet communication, each station is provided with a connection broadband, the eco communication module writes communication data into different groups of air source hosts, and the air source hosts control the slave machines to be opened and closed.
Furthermore, the cloud server processing system further comprises an alarm management module, the data monitoring module is further used for collecting and sending the working states of the primary air source heat pump group and the secondary air source heat pump group to the data analysis module, and the data analysis module carries out alarm judgment according to the working states of the primary air source heat pump group and the secondary air source heat pump group and stores alarm information to the alarm management module.
Furthermore, the cloud server processing system further comprises a meteorological data acquisition module which is used for sending the collected meteorological data to a data analysis module and assisting in generating a control instruction for controlling the start and stop of the primary air source heat pump unit and the secondary air source heat pump unit. The meteorological data mainly comprises: temperature, humidity, wind direction, wind speed, real-time weather conditions (sunny, cloudy, rainy, etc.), sensible temperature, etc. In the embodiment, the opening and closing of the air source are controlled in an auxiliary mode mainly through the outdoor temperature and the outdoor time.
Further, the cloud server further comprises a comprehensive analysis module. The comprehensive analysis module is mainly used for performing functions including temperature analysis, pressure analysis, frequency analysis, load analysis and the like, and helping engineers analyze the historical situation of field work and check whether the historical situation is the same as expected.
Further, the cloud server further comprises a report management module. The report management module is mainly used for displaying the control mode, the running time, the set temperature, the environment temperature acquired by the air source, the water outlet temperature of the air source, the return water temperature, the set temperature, the water supply and return temperature and the water supply and return pressure of the heat exchange station in a table form. Provides a convenient, visual and rapid browsing mode.
Further, the cloud server further comprises a basic information management module. The basic information is the basic equipment information recorded into the heat exchange station, and the basic equipment information comprises the installation positions of the equipment models and the like, so that later maintenance and management are facilitated.
In this embodiment, the operation modes of the system include a time-division temperature-division mode (as shown in fig. 2) and a temperature compensation mode (as shown in fig. 3). Firstly, an engineer sets parameters on a cloud platform, meteorological data are transmitted to an intelligent control module through a data analysis module, and the intelligent control module judges the time for switching on and off the air source heat pump.
When the system works in the time-sharing and temperature-dividing mode, firstly, whether the system is in the running time or not is judged, and if the system is not in the running time, the following logic judgment can not be carried out. And then sending a starting command to the level 1 and level 2 air source equipment in the running time, after waiting for the delay time, judging whether the level 1 and level 2 air sources run, if an operation signal sets the self water return temperature of the air source, then reading the set temperature of the air source, and if the set temperature is not consistent with the set temperature, resetting the air source. After the time delay, whether the outlet water temperature of the level 1 and the return water temperature of the level 1 are less than 5 is judged (the step mainly judges whether the air source of the level 1 works normally r), if the outlet water temperature of the level 1 is less than 5 (a set value), the judgment of the level 2 for triggering alarm (the temperature difference of the level 1 is low) is the same as that of the level one, and finally, the outlet water temperature of the level 2 and the outlet water temperature of the level 1 are less than 5 under different conditions of low temperature difference. If <5 (settable value) triggers an alarm.
The temperature compensation mode is that an outdoor temperature compensation mode is added on the basis of a time-sharing and temperature-dividing mode, the return water temperature of the air source to be heated corresponding to the outdoor temperature is preset, and the return water temperature of the air source is automatically matched and set.
The invention also provides an energy-saving operation control method of the air source heat pump, which is realized based on the system and comprises the following steps:
s1, judging the running time, and synchronously starting the primary air source heat pump unit and the secondary air source heat pump unit when judging that the running period is allowed again at the current time, otherwise, starting a closing program by the system;
s2, after the primary air source heat pump unit and the secondary air source heat pump unit are started successfully, circulating water in the pipeline is heated, and when the difference value between the outlet water temperature and the return water temperature of the air source heat pump is judged to be within the alarm interval, the low temperature difference alarm of the air source heat pump is carried out.
Further, step S1 further includes: and after the running time is judged, judging the starting temperature difference condition, and synchronously starting the primary air source heat pump unit and the secondary air source heat pump unit when the judgment result meets the starting condition.
Further, the system startup shutdown procedure includes: and detecting the running states of the primary air source heat pump group and the secondary air source heat pump group according to the preset delay time, and starting an alarm program when at least one air source heat pump is judged to be started.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. An energy-saving operation control system of an air source heat pump is characterized by comprising: the system comprises a field execution system and a cloud server processing system which are in communication connection;
the field execution system comprises a user side, a circulating pump room, a primary air source heat pump group, a secondary air source heat pump group, a user temperature acquisition module and a data monitoring module, wherein the circulating pump room is used for providing circulating power for circulating water in a heat supply pipeline;
the cloud server processing system comprises a data analysis module, an intelligent control module, a real-time monitoring module and a parameter setting module, wherein the data analysis module sends acquired field data to the intelligent control module and the real-time monitoring module, and the intelligent control module generates a control instruction for controlling the start and stop of the primary air source heat pump unit and the secondary air source heat pump unit according to action conditions preset by the parameter setting module.
2. The air source heat pump energy-saving operation control system of claim 1, wherein the cloud server processing system further comprises an alarm management module, the data monitoring module is further configured to collect and send the working states of the primary air source heat pump group and the secondary air source heat pump group to the data analysis module, and the data analysis module performs alarm judgment according to the working states of the primary air source heat pump group and the secondary air source heat pump group and stores alarm information in the alarm management module.
3. The air-source heat pump energy-saving operation control system of claim 1, wherein the cloud server processing system further comprises a meteorological data acquisition module for sending collected meteorological data to a data analysis module to assist in generating control instructions for controlling the start and stop of the primary and secondary air-source heat pump sets.
4. The air-source heat pump energy-saving operation control system according to claim 1, wherein the cloud server further comprises a comprehensive analysis module.
5. The air-source heat pump energy-saving operation control system according to claim 1, wherein the cloud server further comprises a report management module.
6. The air-source heat pump energy-saving operation control system according to claim 1, wherein the cloud server further comprises a basic information management module.
7. An energy-saving operation control method of an air source heat pump is realized based on the system of claim 1, and is characterized by comprising the following steps:
s1, judging the running time, and synchronously starting the primary air source heat pump unit and the secondary air source heat pump unit when judging that the running period is allowed again at the current time, otherwise, starting a closing program by the system;
s2, after the primary air source heat pump unit and the secondary air source heat pump unit are started successfully, circulating water in the pipeline is heated, and when the difference value between the outlet water temperature and the return water temperature of the air source heat pump is judged to be within the alarm interval, the low temperature difference alarm of the air source heat pump is carried out.
8. The air source heat pump energy-saving operation control method according to claim 7, wherein the step S1 further comprises: and after the running time is judged, judging the starting temperature difference condition, and synchronously starting the primary air source heat pump unit and the secondary air source heat pump unit when the judgment result meets the starting condition.
9. The air source heat pump energy-saving operation control method according to claim 7, wherein the system starting shutdown procedure comprises: and detecting the running states of the primary air source heat pump group and the secondary air source heat pump group according to the preset delay time, and starting an alarm program when at least one air source heat pump is judged to be started.
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| CN202110336183.4A CN113048535A (en) | 2021-03-29 | 2021-03-29 | Energy-saving operation control system and method for air source heat pump |
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| CN202110336183.4A CN113048535A (en) | 2021-03-29 | 2021-03-29 | Energy-saving operation control system and method for air source heat pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113642788A (en) * | 2021-08-10 | 2021-11-12 | 陕西四季春清洁热源股份有限公司 | Diversified heat source optimization planning method suitable for large-scale medium-deep geothermal region |
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| CN207133632U (en) * | 2017-09-01 | 2018-03-23 | 北京蓝普锋科技有限公司 | A kind of heating supervising device |
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Application publication date: 20210629 |