CN109506309A - A kind of united heat refrigeration system and its control method - Google Patents

A kind of united heat refrigeration system and its control method Download PDF

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Publication number
CN109506309A
CN109506309A CN201811113712.9A CN201811113712A CN109506309A CN 109506309 A CN109506309 A CN 109506309A CN 201811113712 A CN201811113712 A CN 201811113712A CN 109506309 A CN109506309 A CN 109506309A
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China
Prior art keywords
heat
heat storage
water tank
unit
sewage source
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Pending
Application number
CN201811113712.9A
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Chinese (zh)
Inventor
成岭
金璐
钟鸣
蒋利民
覃剑
郭炳庆
闫华光
李克成
何桂雄
屈博
黄伟
孟珺遐
张新鹤
唐艳梅
刘铠诚
于波
韩慎朝
王迎秋
马崇
卢欣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
State Grid Tianjin Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
State Grid Tianjin Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, China Electric Power Research Institute Co Ltd CEPRI, State Grid Tianjin Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201811113712.9A priority Critical patent/CN109506309A/en
Publication of CN109506309A publication Critical patent/CN109506309A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56Remote control
    • F24F11/58Remote control using Internet communication
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0096Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater combined with domestic apparatus

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The present invention relates to a kind of united heat refrigeration system and its control method, the system comprises: sewage source heat pump unit, heat storage electric boiler, heating unit, fan coil and network monitor control unit;The sewage source heat pump unit is connect with the heating unit, the fan coil and the network monitor control unit respectively;The heat storage electric boiler is connect with the heating unit and the network monitor control unit respectively.Technical solution provided by the invention realizes peak load shifting and efficient heating and refrigerating, improves the utilization efficiency of the energy and the utilization rate of renewable energy, alleviates power supply shortage.

Description

A kind of united heat refrigeration system and its control method
Technical field
The present invention relates to heating, refrigeration and hot-water supply fields, and in particular to a kind of united heat refrigeration system and its Control method.
Background technique
Due to the raising of national life level, architectural energy consumption especially air conditioning and heating power consumption accounts for the important ratio of total electricity consumption Weight, summer air-conditioning cause peak of power consumption with electric energy, and even overload at full capacity is reached in the short time, is dropped to again to evening load The lowest point, the variation of load will lead to the fluctuation of power system frequency, cause the fluctuation of electric system, cause to entire electric system Very big harm.And heat storage electric boiler is that user heats by energy source of electric power, the unstable of electric load is led Family heating of applying is also unstable.
Sewage source heat pump unit can form low grade heat energy resource using the solar energy and geothermal energy absorbed, using heat Principle is pumped, leads to too small amount of high-order electric energy input, realizes that Lowlevel thermal energy is shifted to high level heat, realize heating, for life for user Hot water living and refrigeration demand.Urban sewage source water temperature amplitude of variation is small, compared to air themperature, have the characteristics that it is cool in summer and warm in winter, Municipal sewage water temperature in winter is 10 DEG C~14 DEG C, and summer water temperature is 15 DEG C~20 DEG C, and annual temperature is reason between 10~25 DEG C The source heat pump heat and cold source of air conditioning thought.Heat supply in winter, cooling in summer, annual domestic hot-water supply, and dirt can be realized for user It is few to contaminate object discharge, saves electric energy, operating cost is low.But when the system encounters the weather of extreme cold, often due to sewage temperature It is too low, it causes sewage source heat pump unit that cannot be switched on, influences to heat.
Summary of the invention
The present invention provides a kind of united heat refrigeration system and its control method, and the purpose is to provide a kind of sewage source heat pump The joint heat source of machine and heat storage electric boiler combination, realizes peak load shifting and efficient heating and refrigerating, improves the utilization efficiency of the energy With the utilization rate of renewable energy, power supply shortage is alleviated.
The purpose of the present invention is adopt the following technical solutions realization:
A kind of united heat refrigeration system, it is improved in that the system comprises: sewage source heat pump unit, accumulation of heat Formula electric boiler, heating unit, fan coil and network monitor control unit;
The sewage source heat pump unit controls with the heating unit, the fan coil and the network monitor single respectively Member connection;The heat storage electric boiler is connect with the heating unit and the network monitor control unit respectively;
The sewage source heat pump unit is used to provide sewerage heat energy to heating unit and fan coil, or is used for wind Heat is drawn in sewage in machine coil pipe;
The heat storage electric boiler, for being heating unit heat supply using electric energy or heat storage;
The heating unit, sewerage heat energy or heat storage electric boiler for being provided using sewage source heat pump unit are provided Heat domestic water is heated, and the heat generated after heating is discharged into interior;
The fan coil, the sewerage heat energy for providing sewage source heat pump unit are discharged into the confession of indoor realization interior It is warm, or indoor heat is discharged into sewage and realizes indoor refrigeration;
The network monitor control unit, for when room temperature is lower than preset indoor temperature value, control source of sewage to be hot Pump assembly provides sewerage heat energy, and/or control heat storage electric boiler to heating unit and fan coil simultaneously as heating unit confession Heat;When room temperature is higher than preset indoor temperature value, sewage source heat pump unit is controlled by heat in fan coil and is drawn to dirt In water.
Preferably, the heating unit includes: sequentially connected heat storage water tank, plate heat exchanger and floor heating unit; The heat storage water tank is connect with the sewage source heat pump unit, and the heat storage water tank is connect with the heat storage electric boiler, described Floor heating unit is connect with the sewage source heat pump unit;
The heat storage water tank, sewerage heat energy or heat storage electric boiler for being provided using sewage source heat pump unit are provided Heat domestic water is heated, and using the heat after heating to plate heat exchanger heat supply;
The plate heat exchanger, for utilizing the heat after heating to floor heating unit heating;
The floor heating unit, the sewerage heat energy for directly providing the heat after heating or sewage source heat pump unit It is discharged into interior.
Further, the network monitor control unit, is also used to:
When water temperature is lower than default water temperature in heat storage water tank, network monitor control unit controls sewage source heat pump unit to storage Boiler provides sewerage heat energy, and/or control heat storage electric boiler is heat storage water tank heat supply.
Further, the heat storage electric boiler, is specifically used for:
When low power consumption, heat storage water tank is heated using electric energy, and using electric energy in heat storage electric boiler Heat storage is carried out heat accumulation and is heated using heat storage to heat storage water tank when peak of power consumption.
Further, the connecting pipe between the sewage source heat pump unit and the heat storage water tank, source of sewage heat Connecting pipe, the sewage source heat pump unit between pump assembly and the floor heating unit and between the fan coil Connecting pipe, the plate heat exchanger and the storage between connecting pipe, the heat storage electric boiler and the heat storage water tank The connecting pipe between connecting pipe, the plate heat exchanger and the floor heating unit between boiler, which is respectively equipped with, to be followed Ring pump and valve.
Further, the system also includes temperature monitoring module, indoor temperature transmitter and water tank temperature sensors;
The temperature monitoring module respectively with the water tank temperature sensor, indoor temperature transmitter and the network monitor Control unit connection;
The water tank temperature sensor, for monitoring the temperature of water in the heat storage water tank;
The indoor temperature transmitter, for monitoring room temperature;
The temperature monitoring module, in the heat storage water tank for monitoring water tank temperature sensor the temperature of water and The indoor temperature that the indoor temperature transmitter monitors is sent to network monitor control unit.
Further, the network monitor control unit, comprising:
First judgment module, for working as T < T1When, the heat storage electric boiler and sewage source heat pump unit are controlled to described Heat storage water tank heat supply, until T=T1
Second judgment module, for working as T3> T2When, close the floor heating unit and the sewage source heat pump unit it Between connecting pipe on valve and the floor heating unit and the plate heat exchanger between connecting pipe on valve The heat of room air is discharged into the sewage source heat pump unit by carrying out heat exchange with air by door, control fan coil In sewage, until T3=T2
Third judgment module, for working as T3< T2When, open the floor heating unit and the sewage source heat pump unit it Between connecting pipe on valve and the fan coil and the sewage source heat pump unit between connecting pipe on valve Door, controls the floor heating unit and the fan coil while being indoor heating, until T3=T2
And/or the valve in the connecting pipe between the opening plate heat exchanger and the heat storage water tank, the floor Valve in connecting pipe and the heat storage electric boiler and the heat accumulation between heating unit and the plate heat exchanger Valve in the connecting pipe of water tank, controls the domestic water in the heat storage electric boiler heating heat storage water tank, and utilization is board-like The heat of domestic water in heat storage water tank is supplied to floor heating unit, the life that the floor heating unit will acquire by heat exchanger The heat for applying flexibly water is discharged into interior, until T3=T2
4th judgment module, for when sewage source heat pump unit cannot be switched on, open the plate heat exchanger with it is described The valve in connecting pipe, the floor heating unit between heat storage water tank and the connecting pipe between the plate heat exchanger On valve and the heat storage electric boiler and the heat storage water tank connecting pipe on valve, control the regenerative electrochemical Boiler heats the domestic water in heat storage water tank, is supplied to ground for the heat of domestic water in heat storage water tank using plate heat exchanger The heat of plate heating unit, the domestic water that the floor heating unit will acquire is discharged into interior, until T3=T2
Wherein, T is the actual temperature that the water tank temperature sensor detects water in the heat storage water tank, T3For Indoor Temperature Degree sensor detects indoor actual temperature, T1For the temperature of water in the preset heat storage water tank, T2For preset Indoor Temperature Degree.
A kind of control method of united heat refrigeration system, it is improved in that the described method includes:
Network monitor control unit acquires room temperature;
Network monitor control unit compares room temperature and preset indoor temperature value;
When room temperature is lower than preset indoor temperature value, network monitor control unit controls sewage source heat pump unit simultaneously Sewerage heat energy is provided to heating unit and fan coil, and/or control heat storage electric boiler is heating unit heat supply;Work as Indoor Temperature When degree is higher than preset indoor temperature value, network monitor control unit control sewage source heat pump unit extracts heat in fan coil out Into sewage.
Preferably, the network monitor control unit control sewage source heat pump unit is simultaneously to heating unit and fan coil Sewerage heat energy is provided, comprising:
Open the valve in the connecting pipe between the floor heating unit and the sewage source heat pump unit and institute State the valve in the connecting pipe between fan coil and the sewage source heat pump unit, the network monitor control unit control The floor heating unit and the fan coil are simultaneously indoor heating, until room temperature is equal to preset indoor temperature value;
Preferably, the network monitor control unit control heat storage electric boiler is heating unit heat supply, comprising:
Open valve, the floor heating list in the connecting pipe between the plate heat exchanger and the heat storage water tank Valve and the heat storage electric boiler and the heat storage water tank in first connecting pipe between the plate heat exchanger Valve in connecting pipe, the network monitor control unit control the life in the heat storage electric boiler heating heat storage water tank With water, the heat of domestic water in heat storage water tank is supplied to floor heating unit, the floor heating using plate heat exchanger The heat for the domestic water that unit will acquire is discharged into interior, until room temperature is equal to preset indoor temperature value.
Preferably, heat in fan coil is drawn to dirt by the network monitor control unit control sewage source heat pump unit In water, comprising:
Close the valve in the connecting pipe between the floor heating unit and the sewage source heat pump unit and institute State the valve in the connecting pipe between floor heating unit and the plate heat exchanger, the network monitor control unit control Indoor heat is discharged into the sewage of the sewage source heat pump unit system of realizing by carrying out heat exchange with air by fan coil It is cold, until room temperature is equal to preset indoor temperature value.
Beneficial effects of the present invention:
Technical solution provided by the invention makees the Lowlevel thermal energy of sewage in sewage source heat pump unit and heat storage electric boiler To combine heat source, on the one hand, can use electric energy lifting sewage source heat pump unit circulation of fluid temperature, improve sewage source heat pump machine The operational efficiency of group, on the other hand, the Lowlevel thermal energy in sewage source heat pump unit can compensate the intermittence of electric energy heating refrigeration And unstability, the shortcomings that making up electric load heat storage electric boiler is unable to run at full capacity or when excess load, so that water storage Case annual can provide domestic hot-water;Further, technical solution provided by the invention realizes peak load shifting, efficient heat supply Refrigeration improves the utilization efficiency of the energy and the utilization rate of renewable energy, alleviates power supply shortage.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of united heat refrigeration system of the present invention;
Fig. 2 is a kind of flow chart of the control method of united heat refrigeration system of the present invention;
In Fig. 1,1- sewage source heat pump unit, 2- heat storage electric boiler, 3- heat storage water tank, 4- plate heat exchanger, 5- blower Coil pipe, 6- floor heating unit, 7- network monitor control unit, 8- temperature monitoring module, 9- indoor temperature transmitter, 10- water Case temperature sensor, 11- heating unit.
Specific embodiment
It elaborates with reference to the accompanying drawing to a specific embodiment of the invention.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art All other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
A kind of united heat refrigeration system provided by the invention, as shown in Figure 1, the system comprises: sewage source heat pump machine Group, heat storage electric boiler, heating unit, fan coil and network monitor control unit;
The sewage source heat pump unit controls with the heating unit, the fan coil and the network monitor single respectively Member connection;The heat storage electric boiler is connect with the heating unit and the network monitor control unit respectively;
The sewage source heat pump unit is used to provide sewerage heat energy to heating unit and fan coil, or is used for wind Heat is drawn in sewage in machine coil pipe;
The heat storage electric boiler, for being heating unit heat supply using electric energy or heat storage;
The heating unit, sewerage heat energy or heat storage electric boiler for being provided using sewage source heat pump unit are provided Heat domestic water is heated, and the heat generated after heating is discharged into interior;
The fan coil, the sewerage heat energy for providing sewage source heat pump unit are discharged into the confession of indoor realization interior It is warm, or indoor heat is discharged into sewage and realizes indoor refrigeration;
The network monitor control unit, for when room temperature is lower than preset indoor temperature value, control source of sewage to be hot Pump assembly provides sewerage heat energy, and/or control heat storage electric boiler to heating unit and fan coil simultaneously as heating unit confession Heat;When room temperature is higher than preset indoor temperature value, sewage source heat pump unit is controlled by heat in fan coil and is drawn to dirt In water.
Further, the heating unit includes: sequentially connected heat storage water tank, plate heat exchanger and floor heating list Member;The heat storage water tank is connect with the sewage source heat pump unit, and the heat storage water tank is connect with the heat storage electric boiler, institute Floor heating unit is stated to connect with the sewage source heat pump unit;
The heat storage water tank, sewerage heat energy or heat storage electric boiler for being provided using sewage source heat pump unit are provided Heat domestic water is heated, and using the heat after heating to plate heat exchanger heat supply;
The plate heat exchanger, for utilizing the heat after heating to floor heating unit heating;
The floor heating unit, the sewerage heat energy for directly providing the heat after heating or sewage source heat pump unit It is discharged into interior.
Specifically, the network monitor control unit, is also used to:
When water temperature is lower than default water temperature in heat storage water tank, network monitor control unit controls sewage source heat pump unit to storage Boiler provides sewerage heat energy, and/or control heat storage electric boiler is heat storage water tank heat supply.
Specifically, the heat storage electric boiler, is specifically used for:
When low power consumption, heat storage water tank is heated using electric energy, and using electric energy in heat storage electric boiler Heat storage is carried out heat accumulation and is heated using heat storage to heat storage water tank when peak of power consumption.
Specifically, connecting pipe, the sewage source heat pump between the sewage source heat pump unit and the heat storage water tank Connecting pipe, the sewage source heat pump unit between unit and the floor heating unit and the company between the fan coil Connecting pipe, the plate heat exchanger and the heat accumulation between adapter tube road, the heat storage electric boiler and the heat storage water tank The connecting pipe between connecting pipe, the plate heat exchanger and the floor heating unit between water tank is respectively equipped with circulation Pump and valve.
Specifically, the system also includes: temperature monitoring module, indoor temperature transmitter and water tank temperature sensor;
The temperature monitoring module respectively with the water tank temperature sensor, indoor temperature transmitter and the network monitor Control unit connection;
The water tank temperature sensor, for monitoring the temperature of water in the heat storage water tank;
The indoor temperature transmitter, for monitoring room temperature;
The temperature monitoring module, in the heat storage water tank for monitoring water tank temperature sensor the temperature of water and The indoor temperature that the indoor temperature transmitter monitors is sent to network monitor control unit.
Specifically, the network monitor control unit, comprising:
First judgment module, for working as T < T1When, the heat storage electric boiler and sewage source heat pump unit are controlled to described Heat storage water tank heat supply, until T=T1
Second judgment module, for working as T3> T2When, close the floor heating unit and the sewage source heat pump unit it Between connecting pipe on valve and the floor heating unit and the plate heat exchanger between connecting pipe on valve The heat of room air is discharged into the sewage source heat pump unit by carrying out heat exchange with air by door, control fan coil In sewage, until T3=T2
Third judgment module, for working as T3< T2When, open the floor heating unit and the sewage source heat pump unit it Between connecting pipe on valve and the fan coil and the sewage source heat pump unit between connecting pipe on valve Door, controls the floor heating unit and the fan coil while being indoor heating, until T3=T2
And/or the valve in the connecting pipe between the opening plate heat exchanger and the heat storage water tank, the floor Valve in connecting pipe and the heat storage electric boiler and the heat accumulation between heating unit and the plate heat exchanger Valve in the connecting pipe of water tank, controls the domestic water in the heat storage electric boiler heating heat storage water tank, and utilization is board-like The heat of domestic water in heat storage water tank is supplied to floor heating unit, the life that the floor heating unit will acquire by heat exchanger The heat for applying flexibly water is discharged into interior, until T3=T2
4th judgment module, for when sewage source heat pump unit cannot be switched on, open the plate heat exchanger with it is described The valve in connecting pipe, the floor heating unit between heat storage water tank and the connecting pipe between the plate heat exchanger On valve and the heat storage electric boiler and the heat storage water tank connecting pipe on valve, control the regenerative electrochemical Boiler heats the domestic water in heat storage water tank, is supplied to ground for the heat of domestic water in heat storage water tank using plate heat exchanger The heat of plate heating unit, the domestic water that the floor heating unit will acquire is discharged into interior, until T3=T2
Wherein, T is the actual temperature that the water tank temperature sensor detects water in the heat storage water tank, T3For Indoor Temperature Degree sensor detects indoor actual temperature, T1For the temperature of water in the preset heat storage water tank, T2For preset Indoor Temperature Degree.
For example, general winter needs to heat in real life, summer needs to freeze, and can control as steps described below The united heat refrigeration system:
A. the target temperature for presetting the heat storage water tank is T4, winter indoor target temperature is T5, the target of Summer Indoor Temperature is T5
The water tank temperature sensor detects that the actual temperature of water in the heat storage water tank is T6, indoor temperature transmitter Detect that winter indoor actual temperature is T7, indoor temperature transmitter detect Summer Indoor actual temperature be T8
B. work as T6< T4When, execute step c;Work as T6≥T4When, no operation;
Work as T7< T5When, execute step d;Work as T7≥T5When, no operation;
Work as T8> T5When, execute step e;Work as T8≤T5When, no operation;
When encountering extreme cold weather causes sewage source heat pump unit that cannot be switched on, step f is executed;
C. the network monitor control unit controls the heat storage electric boiler and sewage source heat pump unit to the heat accumulation Water tank heat supply, until T6=T4
D. open valve in the connecting pipe between the floor heating unit and the sewage source heat pump unit and The valve in connecting pipe between the fan coil and the sewage source heat pump unit, control the floor heating unit and The fan coil is simultaneously indoor heating, until T7=T5
And/or the valve in the connecting pipe between the opening plate heat exchanger and the heat storage water tank, the floor Valve in connecting pipe and the heat storage electric boiler and the heat accumulation between heating unit and the plate heat exchanger Valve in the connecting pipe of water tank, controls the domestic water in the heat storage electric boiler heating heat storage water tank, and utilization is board-like The heat of domestic water in heat storage water tank is supplied to floor heating unit, the life that the floor heating unit will acquire by heat exchanger The heat for applying flexibly water is discharged into interior, until T7=T5
E. close valve in the connecting pipe between the floor heating unit and the sewage source heat pump unit and The valve in connecting pipe between the floor heating unit and the plate heat exchanger, control fan coil by with air It carries out heat exchange to be discharged into the heat of room air in the sewage of the sewage source heat pump unit, until T8=T5
F. valve, the floor heating in the connecting pipe between the plate heat exchanger and the heat storage water tank are opened Valve in connecting pipe and the heat storage electric boiler and the heat storage water tank between unit and the plate heat exchanger Connecting pipe on valve, control the domestic water in heat storage electric boiler heating heat storage water tank, utilize plate-type heat-exchange The heat of domestic water in heat storage water tank is supplied to floor heating unit by device, and the life that the floor heating unit will acquire is used The heat of water is discharged into interior, until T7=T5
The present invention also provides a kind of control methods of united heat refrigeration system, as shown in Figure 2, which comprises
Network monitor control unit acquires room temperature;
Network monitor control unit compares room temperature and preset indoor temperature value;
When room temperature is lower than preset indoor temperature value, network monitor control unit controls sewage source heat pump unit simultaneously Sewerage heat energy is provided to heating unit and fan coil, and/or control heat storage electric boiler is heating unit heat supply;Work as Indoor Temperature When degree is higher than preset indoor temperature value, network monitor control unit control sewage source heat pump unit extracts heat in fan coil out Into sewage.
Further, the network monitor control unit control sewage source heat pump unit is simultaneously to heating unit and fan unit Pipe provides sewerage heat energy, comprising:
Open the valve in the connecting pipe between the floor heating unit and the sewage source heat pump unit and institute State the valve in the connecting pipe between fan coil and the sewage source heat pump unit, the network monitor control unit control The floor heating unit and the fan coil are simultaneously indoor heating, until room temperature is equal to preset indoor temperature value;
Further, the network monitor control unit control heat storage electric boiler is heating unit heat supply, comprising:
Open valve, the floor heating list in the connecting pipe between the plate heat exchanger and the heat storage water tank Valve and the heat storage electric boiler and the heat storage water tank in first connecting pipe between the plate heat exchanger Valve in connecting pipe, the network monitor control unit control the life in the heat storage electric boiler heating heat storage water tank With water, the heat of domestic water in heat storage water tank is supplied to floor heating unit, the floor heating using plate heat exchanger The heat for the domestic water that unit will acquire is discharged into interior, until room temperature is equal to preset indoor temperature value.
Further, heat in fan coil is drawn to by the network monitor control unit control sewage source heat pump unit In sewage, comprising:
Close the valve in the connecting pipe between the floor heating unit and the sewage source heat pump unit and institute State the valve in the connecting pipe between floor heating unit and the plate heat exchanger, the network monitor control unit control Indoor heat is discharged into the sewage of the sewage source heat pump unit system of realizing by carrying out heat exchange with air by fan coil It is cold, until room temperature is equal to preset indoor temperature value.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more, The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent Invention is explained in detail referring to above-described embodiment for pipe, it should be understood by those ordinary skilled in the art that: still It can be with modifications or equivalent substitutions are made to specific embodiments of the invention, and without departing from any of spirit and scope of the invention Modification or equivalent replacement, should all cover within the scope of the claims of the present invention.

Claims (11)

1. a kind of united heat refrigeration system, which is characterized in that the system comprises: sewage source heat pump unit, heat accumulating type grill pan Furnace, heating unit, fan coil and network monitor control unit;
The sewage source heat pump unit connects with the heating unit, the fan coil and the network monitor control unit respectively It connects;The heat storage electric boiler is connect with the heating unit and the network monitor control unit respectively;
The sewage source heat pump unit is used to provide sewerage heat energy to heating unit and fan coil, or is used for fan unit Heat is drawn in sewage in pipe;
The heat storage electric boiler, for being heating unit heat supply using electric energy or heat storage;
The heating unit, the heat that sewerage heat energy or heat storage electric boiler for being provided using sewage source heat pump unit are provided Amount heats domestic water, and the heat generated after heating is discharged into interior;
The fan coil, the sewerage heat energy for providing sewage source heat pump unit are discharged into indoor realization indoor heating, or Indoor heat is discharged into sewage and realizes indoor refrigeration by person;
The network monitor control unit, for controlling sewage source heat pump machine when room temperature is lower than preset indoor temperature value Group provides sewerage heat energy to heating unit and fan coil simultaneously, and/or control heat storage electric boiler is heating unit heat supply;When When room temperature is higher than preset indoor temperature value, heat in fan coil is drawn in sewage by control sewage source heat pump unit.
2. the system as claimed in claim 1, which is characterized in that the heating unit includes: sequentially connected heat storage water tank, plate Formula heat exchanger and floor heating unit;The heat storage water tank is connect with the sewage source heat pump unit, the heat storage water tank and institute Heat storage electric boiler connection is stated, the floor heating unit is connect with the sewage source heat pump unit;
The heat storage water tank, the heat that sewerage heat energy or heat storage electric boiler for being provided using sewage source heat pump unit are provided Amount heats domestic water, and utilizes the heat after heating to plate heat exchanger heat supply;
The plate heat exchanger, for utilizing the heat after heating to floor heating unit heating;
The floor heating unit, the sewerage heat energy for directly providing the heat after heating or sewage source heat pump unit discharge Into interior.
3. system as claimed in claim 2, which is characterized in that the network monitor control unit is also used to:
When water temperature is lower than default water temperature in heat storage water tank, network monitor control unit controls sewage source heat pump unit to water storage Case provides sewerage heat energy, and/or control heat storage electric boiler is heat storage water tank heat supply.
4. system as claimed in claim 2, which is characterized in that the heat storage electric boiler is specifically used for:
When low power consumption, heat storage water tank is heated using electric energy, and using electric energy to the accumulation of heat in heat storage electric boiler Body is carried out heat accumulation and is heated using heat storage to heat storage water tank when peak of power consumption.
5. system as claimed in claim 2, which is characterized in that between the sewage source heat pump unit and the heat storage water tank Connecting pipe, the sewage source heat pump machine between connecting pipe, the sewage source heat pump unit and the floor heating unit Connecting pipe, the heat storage electric boiler between group and the fan coil and the connecting pipe between the heat storage water tank, Connecting pipe, the plate heat exchanger between the plate heat exchanger and the heat storage water tank and the floor heating unit it Between connecting pipe be respectively equipped with circulating pump and valve.
6. system as claimed in claim 2, which is characterized in that the system also includes: temperature monitoring module, room temperature pass Sensor and water tank temperature sensor;
The temperature monitoring module is controlled with the water tank temperature sensor, indoor temperature transmitter and the network monitor respectively Unit connection;
The water tank temperature sensor, for monitoring the temperature of water in the heat storage water tank;
The indoor temperature transmitter, for monitoring room temperature;
The temperature monitoring module, the temperature of water and described in the heat storage water tank for monitoring water tank temperature sensor The indoor temperature that indoor temperature transmitter monitors is sent to network monitor control unit.
7. system as claimed in claim 2, which is characterized in that the network monitor control unit, comprising:
First judgment module, for working as T < T1When, the heat storage electric boiler and sewage source heat pump unit are controlled to the heat accumulation Water tank heat supply, until T=T1
Second judgment module, for working as T3> T2When, it closes between the floor heating unit and the sewage source heat pump unit The valve in the connecting pipe between valve and the floor heating unit and the plate heat exchanger in connecting pipe, control Fan coil processed is by carrying out the sewage that the heat of room air is discharged into the sewage source heat pump unit by heat exchange with air In, until T3=T2
Third judgment module, for working as T3< T2When, it opens between the floor heating unit and the sewage source heat pump unit The valve in the connecting pipe between valve and the fan coil and the sewage source heat pump unit in connecting pipe, control It makes the floor heating unit and the fan coil while being indoor heating, until T3=T2
And/or
Valve, the floor heating list being used to open in the connecting pipe between the plate heat exchanger and the heat storage water tank Valve and the heat storage electric boiler and the heat storage water tank in first connecting pipe between the plate heat exchanger Valve in connecting pipe controls the domestic water in the heat storage electric boiler heating heat storage water tank, utilizes plate heat exchanger The heat of domestic water in heat storage water tank is supplied to floor heating unit, the domestic water that the floor heating unit will acquire Heat be discharged into interior, until T3=T2
4th judgment module, for opening the plate heat exchanger and the heat accumulation when sewage source heat pump unit cannot be switched on On the valve in connecting pipe, the floor heating unit between water tank and the connecting pipe between the plate heat exchanger Valve in the connecting pipe of valve and the heat storage electric boiler and the heat storage water tank, controls the heat storage electric boiler The domestic water in heat storage water tank is heated, the heat of domestic water in heat storage water tank is supplied to floor using plate heat exchanger and is adopted Warm unit, the heat for the domestic water that the floor heating unit will acquire are discharged into interior, until T3=T2
Wherein, T is the actual temperature that the water tank temperature sensor detects water in the heat storage water tank, T3For room temperature biography Sensor detects indoor actual temperature, T1For the temperature of water in the preset heat storage water tank, T2For preset room temperature.
8. a kind of control method of united heat refrigeration system as claimed in any one of claims 1 to 6, which is characterized in that described Method includes:
Network monitor control unit acquires room temperature;
Network monitor control unit compares room temperature and preset indoor temperature value;
When room temperature is lower than preset indoor temperature value, network monitor control unit controls sewage source heat pump unit simultaneously to confession Warm unit and fan coil provide sewerage heat energy, and/or control heat storage electric boiler is heating unit heat supply;When room temperature height When preset indoor temperature value, network monitor control unit controls sewage source heat pump unit and heat in fan coil is drawn to dirt In water.
9. method according to claim 8, which is characterized in that the network monitor control unit controls sewage source heat pump unit Sewerage heat energy is provided to heating unit and fan coil simultaneously, comprising:
Open the valve and the wind in the connecting pipe between the floor heating unit and the sewage source heat pump unit The valve in connecting pipe between machine coil pipe and the sewage source heat pump unit, described in network monitor control unit control Floor heating unit and the fan coil are simultaneously indoor heating, until room temperature is equal to preset indoor temperature value.
10. method according to claim 8, which is characterized in that the network monitor control unit controls heat storage electric boiler For heating unit heat supply, comprising:
Open valve in the connecting pipe between the plate heat exchanger and the heat storage water tank, the floor heating unit with The connection of the valve and the heat storage electric boiler and the heat storage water tank in connecting pipe between the plate heat exchanger Valve on pipeline, the life that the network monitor control unit controls in the heat storage electric boiler heating heat storage water tank are used The heat of domestic water in heat storage water tank is supplied to floor heating unit, the floor heating list using plate heat exchanger by water The heat for the domestic water that member will acquire is discharged into interior, until room temperature is equal to preset indoor temperature value.
11. method according to claim 8, which is characterized in that the network monitor control unit controls sewage source heat pump machine Heat in fan coil is drawn in sewage by group, comprising:
Close valve in the connecting pipe between the floor heating unit and the sewage source heat pump unit and described The valve in connecting pipe between plate heating unit and the plate heat exchanger, the network monitor control unit control blower Indoor heat is discharged into realization refrigeration in the sewage of the sewage source heat pump unit by carrying out heat exchange with air by coil pipe, directly It is equal to preset indoor temperature value to room temperature.
CN201811113712.9A 2018-09-25 2018-09-25 A kind of united heat refrigeration system and its control method Pending CN109506309A (en)

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