CN106247441A - Heat pump energy-conserving control system and method - Google Patents
Heat pump energy-conserving control system and method Download PDFInfo
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- CN106247441A CN106247441A CN201610644777.0A CN201610644777A CN106247441A CN 106247441 A CN106247441 A CN 106247441A CN 201610644777 A CN201610644777 A CN 201610644777A CN 106247441 A CN106247441 A CN 106247441A
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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
- F24D19/1084—Arrangement or mounting of control or safety devices for air heating systems
- F24D19/1087—Arrangement or mounting of control or safety devices for air heating systems system using a heat pump
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The present invention provides a kind of energy saving temperature controlling governing system and method, described energy saving temperature controlling governing system includes: information acquisition system, control system, communication system, operating system and Database Systems, by calculating heating capacity and hot-fluid vector, and kept the state of relative equilibrium.The present invention can be substantially reduced the loss of energy consumption, makes heating equipment more energy-conservation, more wisdom.
Description
Technical field
The invention belongs to management technique field, particularly to a kind of heat pump energy-conserving control system and method.
Background technology
Along with country's call energetically to the policy of air environmental protection, traditional coal heating, gas heating the most slowly by
Replacing, and a kind of novel heating system is also approved by increasing people, novel heating system is with natural resources as base
Plinth, assist with electric energy, other firing equipments such as such as water earth source heat pump, air source heat pump.
Along with popularizing of this new heat-supplying mode, exposing some problems the most therewith, equipment in the market is universal
There is the problem that
1, heating capacity and the hot-fluid vector of heating equipment can not be calculated, cause equipment people on the market can not it be entered
Row sufficiently understanding, the equipment of also resulting in can not give full play to its efficiency feature.
2, when heating indoor to the when of identical with design temperature, it is impossible to the regulation heating equipment of intelligence, circulating pump sets
Standby and fan coil carries out matching with hot-fluid vector, and when heating capacity and hot-fluid vector keep equal when, equipment is
Energy-conservation.
3, do not use variable frequency adjustment heating equipment and water pump on market, cause heating equipment, circulating pump equipment and divide
The frequent starting of level judge in Hades's equipment.
Summary of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of heat pump energy-conserving control system and
Method, is used for solving problems present in prior art.
For achieving the above object and other relevant purposes, the present invention provides a kind of heat pump energy-conserving control system and method, institute
State heat pump energy-conserving control system to include: acquisition system, control system, Database Systems and communication system, wherein
Described acquisition system, for electric current, voltage, temperature and the flow velocity of acquisition system；
Described control system, including heating equipment and circulating pump equipment, is respectively intended to heat medium and circulate
Medium in pipeline；
Described Database Systems, including memory element and data processing unit, are respectively intended to store the data collected
Data are processed with calculating；
Described communication system, is used for providing the communication between acquisition system, control system and Database Systems.
Preferably, described acquisition system includes heat pump collecting unit, indoor collecting unit two parts；Described heat pump gathers single
Unit includes electric current and voltage, the electric current of circulating pump equipment and voltage, the flow velocity of circulating line and flow, the system gathering heating equipment
The leaving water temperature of hot equipment and inflow temperature and ambient temperature；Described indoor collecting unit includes the temperature at fan coil
Gather and the collection of indoor temperature.
Preferably, electric current, voltage, flow, flow velocity and the temperature that described memory element collects for storage；
Described data processing unit, including heating capacity computing module, heat loss computing module and COP computing module.
Preferably, described communication system is used to obtain the specifying information of client, remotely obtains the history inside data base
Hot-fluid vector, one or more combinations in using industry control communication, GSM communication, bluetooth, Wifi with TCP or udp protocol to communicate.
Preferably, described communication system is used to obtain the specifying information of client, remotely obtains the commodity inside data base
Information and position, one or more groups in using industry control communication, GSM communication, bluetooth, Wifi with TCP or udp protocol to communicate
Close.
Preferably, a kind of heat pump energy-conserving control method, it is characterised in that described method includes:
The heating capacity of heating equipment is obtained by pipe flow speed and flow, the leaving water temperature of heating equipment and inflow temperature；
Heat required for calculating according to current indoor temperature rising value and chamber interior volume；
Described hot-fluid vector is equal to the difference of heating capacity with required heat, and data is stored in data base.
Preferably, described heat pump energy-conserving control method also includes according to outdoor temperature, indoor design temperature and works as cup
The situation of interior heat loss makes the heating capacity of heating equipment equal with the heat that Indoor Thermal runs off.
Preferably, described heating capacity is equal with hot-fluid vector is to be exported by the frequency conversion of heating equipment to control；
Described heating capacity is equal with hot-fluid vector also relevant with the flow of pipeline internal medium and flow velocity；
Described heating capacity equal with hot-fluid vector also with extension set coil pipe at wind speed output relevant；
Flow in described pipeline and flow velocity mind that the frequency conversion by circulating pump controls its output size.
Preferably, described control system controls circulating pump by the difference collecting the temperature in pipeline and indoor temperature
Equipment and the speed governing of fan coil；
During heating equipment start, control system is by comparing indoor temperature, indoor design temperature and the temperature three in pipeline
The size of person, control circulating pump power and the size of extension set coil pipe wind speed；
During heating equipment shutdown, also including that waste heat recycles, when heating equipment is closed, corresponding circulating pump equipment also closes
Closing, now the temperature at fan coil compares with indoor temperature, and at fan coil, temperature then continues to blow higher than indoor temperature
Wind, at fan coil, temperature then stops less than indoor temperature, starts when indoor temperature is less than design temperature 5 degrees Celsius when
Circulating pump equipment, the temperature of detection circulating pump equipment, if higher than indoor temperature, continues to start fan coil.
Preferably, described heating capacity is calculated by Q=c* ρ * S*v*t*T, and wherein c is the specific heat capacity of medium, ρ
For the density of pipeline internal medium, S is the sectional area of pipeline, and v is the flow velocity of pipeline, and t is the time, and T is leaving water temperature and water inlet temperature
The difference of degree；
The described heat Q1 risen for indoor temperature, is calculated according to Q1=c1* ρ * V*T1, and wherein c1 is mark
The specific heat capacity of the air under condition, ρ is the density of air, and V is chamber interior volume, and T1 is the difference before and after indoor temperature, i.e. promote or under
The temperature of fall；
Described heat loss Q2=Q-Q1, and deliver to data base by lost for real-time stream.
Preferably, described heat pump energy-conserving control method also includes when indoor temperature is adjusted to and design temperature by heating equipment
Time identical, it is only necessary to be calculated and the most corresponding hot-fluid vector, and it is identical with hot-fluid vector to make heating equipment produce
Heating capacity.
Preferably, the method that described maintenance heating capacity is identical with hot-fluid vector includes the stepless time adjustment to heating equipment, follows
One or more in the stepless time adjustment of ring pumping unit and the stepless time adjustment of fan coil.
Preferably, the stepless time adjustment system of described heating equipment is to gather the electrodeless converter technique converter to heating equipment
Or miscellaneous equipment carries out VFC；
The frequency conversion of described circulating pump equipment is to make comparisons with indoor temperature according to the temperature in pipeline, thus regulates circulating pump
Stepless time adjustment, when indoor temperature and design temperature difference are more than 5 degree, and the when that in pipeline, temperature being higher than design temperature
The then rotating speed of circulating pump equipment output at full speed, if indoor temperature is less to design temperature difference, the rotating speed of circulating pump is the most corresponding to drop
Low；
The wind speed frequency conversion of described fan coil is to carry out frequency conversion by the frequency conversion system of motor, carries out when using pid algorithm
Calculate the size of real-time wind speed.
Preferably, according under described history the same terms recorded or close under the conditions of heat loss data, relatively hotter
Difference between loss, if hot-fluid vector compare before difference more than 5KW, then be judged as that heat loss is excessive, system can occur
Warning message, reminds whether have the door and window not closed or other thing.
As it has been described above, the heat pump energy-conserving control system of the present invention and method, have the advantages that
Heat pump energy-conserving control system of the present invention includes: acquisition system, control system, Database Systems and communication system
System.Heat pump energy-conserving control system of the present invention is an opening, compatible platform, uses the present invention can be substantially reduced energy
The loss of consumption, is that heating equipment is more energy-conservation, more wisdom.
Accompanying drawing explanation
Fig. 1 is shown as heat pump energy-conserving control method schematic flow sheet in one embodiment of the invention.
Fig. 2 is shown as heat pump energy-conserving Control system architecture schematic diagram in another embodiment of the present invention.
Detailed description of the invention
Below by way of specific instantiation, embodiments of the present invention being described, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also be by the most different concrete realities
The mode of executing is carried out or applies, the every details in this specification can also based on different viewpoints and application, without departing from
Various modification or change is carried out under the spirit of the present invention.
The present invention provides a kind of heat pump energy-conserving control system and method, and described heat pump energy-conserving control system includes: gather system
System, control system, Database Systems and communication system, wherein
Described acquisition system, for electric current, voltage, temperature and the flow velocity of acquisition system；
Described control system, including heating equipment and circulating pump equipment, is respectively intended to heat medium and circulate
Medium in pipeline；
Described Database Systems, including memory element and data processing unit, are respectively intended to store the data collected
Data are processed with calculating；
Described communication system, is used for providing the communication between acquisition system, control system and Database Systems.
Preferably, described acquisition system includes heat pump collecting unit, indoor collecting unit two parts；Described heat pump gathers single
Unit includes electric current and voltage, the electric current of circulating pump equipment and voltage, the flow velocity of circulating line and flow, the system gathering heating equipment
The leaving water temperature of hot equipment and inflow temperature and ambient temperature；Described indoor collecting unit includes the temperature at fan coil
Gather and the collection of indoor temperature.
Preferably, electric current, voltage, flow, flow velocity and the temperature that described memory element collects for storage；
Described data processing unit, including heating capacity computing module, heat loss computing module and COP computing module.
Preferably, described communication system is used to obtain the specifying information of client, remotely obtains the history inside data base
Hot-fluid vector, one or more combinations in using industry control communication, GSM communication, bluetooth, Wifi with TCP or udp protocol to communicate.
Preferably, described communication system is used to obtain the specifying information of client, remotely obtains the commodity inside data base
Information and position, one or more groups in using industry control communication, GSM communication, bluetooth, Wifi with TCP or udp protocol to communicate
Close.
Preferably, a kind of heat pump energy-conserving control method, it is characterised in that described method includes:
The heating capacity of heating equipment is obtained by pipe flow speed and flow, the leaving water temperature of heating equipment and inflow temperature；
Heat required for calculating according to current indoor temperature rising value and chamber interior volume；
Described hot-fluid vector is equal to the difference of heating capacity with required heat, and data is stored in data base.
Preferably, described heat pump energy-conserving control method also includes according to outdoor temperature, indoor design temperature and works as cup
The situation of interior heat loss makes the heating capacity of heating equipment equal with the heat that Indoor Thermal runs off.
Preferably, described heating capacity is equal with hot-fluid vector is to be exported by the frequency conversion of heating equipment to control；
Described heating capacity is equal with hot-fluid vector also relevant with the flow of pipeline internal medium and flow velocity；
Described heating capacity equal with hot-fluid vector also with extension set coil pipe at wind speed output relevant；
Flow in described pipeline and flow velocity mind that the frequency conversion by circulating pump controls its output size.
Preferably, described control system controls circulating pump by the difference collecting the temperature in pipeline and indoor temperature
Equipment and the speed governing of fan coil；
During heating equipment start, control system is by comparing indoor temperature, indoor design temperature and the temperature three in pipeline
The size of person, control circulating pump power and the size of extension set coil pipe wind speed；
During heating equipment shutdown, also including that waste heat recycles, when heating equipment is closed, corresponding circulating pump equipment also closes
Closing, now the temperature at fan coil compares with indoor temperature, and at fan coil, temperature then continues to blow higher than indoor temperature
Wind, at fan coil, temperature then stops less than indoor temperature, starts when indoor temperature is less than design temperature 5 degrees Celsius when
Circulating pump equipment, the temperature of detection circulating pump equipment, if higher than indoor temperature, continues to start fan coil.
Preferably, described heating capacity is calculated by Q=c* ρ * S*v*t*T, and wherein c is the specific heat capacity of medium, ρ
For the density of pipeline internal medium, S is the sectional area of pipeline, and v is the flow velocity of pipeline, and t is the time, and T is leaving water temperature and water inlet temperature
The difference of degree；
The described heat Q1 risen for indoor temperature, is calculated according to Q1=c1* ρ * V*T1, and wherein c1 is mark
The specific heat capacity of the air under condition, ρ is the density of air, and V is chamber interior volume, and T1 is the difference before and after indoor temperature, i.e. promote or under
The temperature of fall；
Described heat loss Q2=Q-Q1, and deliver to data base by lost for real-time stream.
Preferably, described heat pump energy-conserving control method also includes when indoor temperature is adjusted to and design temperature by heating equipment
Time identical, it is only necessary to be calculated and the most corresponding hot-fluid vector, and it is identical with hot-fluid vector to make heating equipment produce
Heating capacity.
Preferably, the method that described maintenance heating capacity is identical with hot-fluid vector includes the stepless time adjustment to heating equipment, follows
One or more in the stepless time adjustment of ring pumping unit and the stepless time adjustment of fan coil.
Preferably, the stepless time adjustment system of described heating equipment is to gather the electrodeless converter technique converter to heating equipment
Or miscellaneous equipment carries out VFC；
The frequency conversion of described circulating pump equipment is to make comparisons with indoor temperature according to the temperature in pipeline, thus regulates circulating pump
Stepless time adjustment, when indoor temperature and design temperature difference are more than 5 degree, and the when that in pipeline, temperature being higher than design temperature
The then rotating speed of circulating pump equipment output at full speed, if indoor temperature is less to design temperature difference, the rotating speed of circulating pump is the most corresponding to drop
Low；
The wind speed frequency conversion of described fan coil is to carry out frequency conversion by the frequency conversion system of motor, carries out when using pid algorithm
Calculate the size of real-time wind speed.
Preferably, according under described history the same terms recorded or close under the conditions of heat loss data, relatively hotter
Difference between loss, if hot-fluid vector compare before difference more than 5KW, then be judged as that heat loss is excessive, system can occur
Warning message, reminds whether have the door and window not closed or other thing.
Concrete heat pump is as a example by air source heat pump, and circulating line medium is as a example by water, and general air source heat pump is warmed oneself all
It is exactly also end-equipment including air source heat pump, circulating pump equipment, circulating line.And end-equipment typically has three kinds of its apoplexy
Machine coil pipe is most, be secondly exactly coil pipe, be exactly finally radiator.Acquisition system goes out water temperature by collection air source heat pump
Degree, inflow temperature and the flow velocity of pipeline, pipe diameter, calculate heating capacity Q, then root according to Q=c* ρ * S*v*t*T
According to change and the volume of indoor of indoor temperature, calculate indoor needed for promoting temperature according to Q1=c1* ρ * V*T1
The heat wanted, finally calculates the hot-fluid vector of indoor, finally the heat at temperature at a temperature of varying environment and in different chamber
Number of dropouts is stored in data base, when system starts to heat, indoor temperature can be maintained identical with indoor design temperature or
In the case of indoor design temperature, it will use VFC compressor and circulating pump equipment, it is ensured that heating of output
Amount is slightly larger than hot-fluid vector, and also to ensure that these heats being slightly larger than hot-fluid vector can ensure that the heat than defrosting
Greatly, this ensures that there the stability of indoor temperature, and pipe temperature is stability, because when the output temperature of heat pump is the biggest
Time, its efficiency can reduce the most relatively, so it is the most necessary for introducing stepless time adjustment system.Additionally heat pump energy-saving system also can basis
The hot-fluid vector of history and current hot-fluid vector contrast most, when both ambient temperatures are close with current environmental temperature, and
If indoor temperature is the most close, if the hot-fluid vector measured is relatively big, then can send information warning, pointing out is to have window or door
It is not turned off.
If end system uses fan coil, also can pass through pipe temperature and indoor temperature, the comparison of design temperature
Carry out PID regulation, when in pipeline, temperature is less than design temperature more than design temperature and indoor temperature, then system can be according to difference
Determine the wind speed of fan coil.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Any ripe
Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by the personage knowing this technology.Cause
This, have usually intellectual such as complete with institute under technological thought without departing from disclosed spirit in art
All equivalences become are modified or change, and must be contained by the claim of the present invention.
Claims (13)
1. a heat pump energy-conserving control system, it is characterised in that described heat pump energy-conserving control system includes: acquisition system, control
System, Database Systems and communication system, wherein,
Described acquisition system, is used for gathering the electric current of heating equipment, voltage, temperature and flow velocity；
Described control system, including heating equipment and circulating pump equipment, is respectively intended to Jie in the heating to medium and pipeline
The circulation of matter；
Described control system includes heating equipment control unit, circulating pump device control cell and fan coil control unit, point
Yong Lai not control heating equipment, circulating pump equipment and the start and stop of fan coil and frequency conversion output；
Described Database Systems, including memory element and data processing unit, are respectively intended to store the data collected and meter
Calculation processes data；
Described communication system, is used for providing the communication between acquisition system, control system and Database Systems.
Heat pump energy-conserving control system the most according to claim 1, it is characterised in that: described acquisition system includes heat pump collection
Unit, indoor collecting unit two parts；
Described heat pump collecting unit includes electric current and voltage, the electric current of circulating pump equipment and voltage, the circulation gathering heating equipment
The flow velocity of pipeline and flow, the leaving water temperature of heating equipment and inflow temperature and ambient temperature；
Described indoor collecting unit includes the collection to the temperature acquisition at fan coil and indoor temperature.
Heat pump energy-conserving control system the most according to claim 1, it is characterised in that: described memory element is used for storing collection
Electric current, voltage, flow, flow velocity and the temperature arrived；
Described data processing unit, including heating capacity computing module, heat loss computing module and COP computing module.
Heat pump energy-conserving control system the most according to claim 1, it is characterised in that: described communication system is used to obtain visitor
The specifying information at family, remotely obtains the history hot-fluid vector inside data base, uses industry control communication, GSM communication, bluetooth, Wifi
One or more combinations in communicating with TCP or udp protocol.
5. a heat pump energy-conserving control method, it is characterised in that described method includes:
The heating capacity of heating equipment is obtained by pipe flow speed and flow, the leaving water temperature of heating equipment and inflow temperature；
Heat required for calculating according to current indoor temperature rising value and chamber interior volume；
Described hot-fluid vector is equal to the difference of heating capacity with required heat, and is stored in data base by hot-fluid vector.
Heat pump energy-conserving control method the most according to claim 5, it is characterised in that: described heat pump energy-conserving control method is also wrapped
The situation according to outdoor temperature, indoor design temperature and current indoor heat loss that includes makes heating capacity and the Indoor Thermal of heating equipment
The heat run off is equal.
Heat pump energy-conserving control method the most according to claim 5, it is characterised in that:
Described heating capacity is equal with hot-fluid vector is to be exported by the frequency conversion of heating equipment to control；
Described heating capacity is equal with hot-fluid vector also relevant with the flow of pipeline internal medium and flow velocity；
Described heating capacity equal with hot-fluid vector also with extension set coil pipe at wind speed output relevant；
Flow in described pipeline and flow velocity mind that the frequency conversion by circulating pump controls its output size.
Heat pump energy-conserving control method the most according to claim 5, it is characterised in that:
Described control system controls circulating pump equipment and blower fan by the difference collecting the temperature in pipeline and indoor temperature
The speed governing of coil pipe；
During heating equipment start, control system is by comparing indoor temperature, indoor design temperature with the temperature three's in pipeline
Size, control circulating pump power and the size of extension set coil pipe wind speed；
During heating equipment shutdown, also including that waste heat recycles, when heating equipment is closed, corresponding circulating pump equipment is also switched off,
Now the temperature at fan coil compares with indoor temperature, and at fan coil, temperature then continues blowing higher than indoor temperature,
At fan coil, temperature then stops less than indoor temperature, starts and follow when indoor temperature is less than design temperature 5 degrees Celsius when
Ring pumping unit, the temperature of detection circulating pump equipment, if higher than indoor temperature, continues to start fan coil.
Heat pump energy-conserving control method the most according to claim 7, it is characterised in that: described heating capacity is by Q=c* ρ *
S*v*t*T is calculated, and wherein c is the specific heat capacity of medium, and ρ is the density of pipeline internal medium, and S is the sectional area of pipeline, and v is
The flow velocity of pipeline, t is the time, and T is the difference of leaving water temperature and inflow temperature；
The described heat Q1 risen for indoor temperature, is calculated according to Q1=c1* ρ * V*T1, and wherein c1 is under mark condition
The specific heat capacity of air, ρ is the density of air, and V is chamber interior volume, and T1 is the difference before and after indoor temperature, i.e. rises or falls
Temperature；
Described heat loss Q2=Q-Q1, and deliver to data base by lost for real-time stream.
Heat pump energy-conserving control method the most according to claim 5, it is characterised in that: described heat pump energy-conserving control method is also
Including when indoor temperature is adjusted to identical with design temperature by heating equipment, it is only necessary to be calculated and the most corresponding heat
Number of dropouts, and make heating equipment produce the heating capacity identical with hot-fluid vector.
11. heat pump energy-conserving methods according to claim 10, it is characterised in that: described maintenance heating capacity and hot-fluid vector phase
Same method includes in the stepless time adjustment of the stepless time adjustment to heating equipment, the stepless time adjustment of circulating pump equipment and fan coil
One or more.
12. heat pump energy-conserving methods according to claim 11, it is characterised in that: the stepless time adjustment system of described heating equipment
It is to gather electrodeless converter technique converter or the miscellaneous equipment of heating equipment are carried out VFC；
The frequency conversion of described circulating pump equipment is to make comparisons with indoor temperature according to the temperature in pipeline, thus regulates the nothing of circulating pump
Pole speed governing, when indoor temperature is more than 5 degree with design temperature difference, and in pipeline, temperature is then followed the when of being higher than design temperature
The output at full speed of the rotating speed of ring pumping unit, if indoor temperature is less to design temperature difference, the rotating speed of circulating pump is the most corresponding to be reduced；
The wind speed frequency conversion of described fan coil is to carry out frequency conversion by the frequency conversion system of motor, calculates when using pid algorithm
The size of wind speed in real time.
13. plan heat pump energy-conserving control methods according to claim 5, it is characterised in that: according to the described history recorded
Under the same terms or close under the conditions of heat loss data, compare the difference between heat loss, if before hot-fluid vector is compared
Difference more than 5KW, then be judged as that heat loss is excessive, system can occur warning message, remind whether have the door and window not closed or
Other thing.
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| US20220049683A1 (en) * | 2018-12-20 | 2022-02-17 | Vestas Wind Systems A/S | Improvements relating to wind turbine blade anti-ice systems |
| US11898542B2 (en) * | 2018-12-20 | 2024-02-13 | Vestas Wind Systems A/S | Wind turbine and method of controlling a blade anti-ice system |
| CN114963279A (en) * | 2021-08-24 | 2022-08-30 | 青岛海尔新能源电器有限公司 | Heating control method and device for air-source heat pump, electronic equipment and storage medium |
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