CN205079368U - Cold and hot source system of water source VRF air conditioner - Google Patents
Cold and hot source system of water source VRF air conditioner Download PDFInfo
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- CN205079368U CN205079368U CN201520764490.2U CN201520764490U CN205079368U CN 205079368 U CN205079368 U CN 205079368U CN 201520764490 U CN201520764490 U CN 201520764490U CN 205079368 U CN205079368 U CN 205079368U
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
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Abstract
The utility model relates to a cold and hot source system of water source VRF air conditioner, it includes cold and hot source system of water source VRF air conditioner and supporting water source VRF air conditioner control system, it includes closed cooling tower, auxiliary heat source - low temperature air cooled heat pump unit, water - water heat exchanger, water source VRF air condensing units, the interior machine of water source VRF air conditioning, air cooled heat pump side circulating water pump, air conditioner water ring way circulating water pump, pipeline valve member, cold and hot source system of water source VRF air conditioner set up supporting water source VRF air conditioner control system, including terminal processor, automatic control cable, terminal processor passes through the automatic control cable and is connected with cold and hot source system of water source VRF air conditioner. When disposing two sectionalized water source VRF air condensing units of above air conditioner, cold and hot source system of water source VRF air conditioner still includes water knockout drum, water collector. It has advantages such as healthy, comfortable, green, environmental protection, energy -conservation, high efficiency.
Description
Technical field
The utility model relates to a kind of air conditioner cold-heat origin system and control system thereof, particularly relates to a kind of water source VRF air conditioner cold-heat origin system, and it comprises water source VRF air conditioner cold-heat origin system and supporting water source VRF air-conditioner control system.The English full name of VRF is VariablerefrigerantFlow, i.e. variable refrigerant volume.
Background technology
Along with the development of China's economic society and environmental resource increasing pressure large, energy-saving and emission-reduction situation is increasingly serious.Building energy consumption accounts for social total energy consumption ratio and improves year by year, and according to the firmly portion's of building measuring and calculating, about the year two thousand thirty, China's building energy consumption will account for the 30%-40% of total energy consumption, reaches American-European current ratio, exceedes industrial energy consumption, become the whole society first energy consumption rich and influential family.The problem that current Chinese large-sized Energy Consumption of Public Buildings is high becomes increasingly conspicuous, relevant expert investigates statistical analysis, government offices' office building and large public building year power consumption account for 22% of national cities and towns total power consumption, every square metre of power consumption is 10 ~ 20 times more than of ordinary residence, is 1.5 ~ 2 times of the similar building of developed country such as European, Japanese; Chinese large-sized public building energy consumption system efficiency general lower, energy waste serious, is undisputable fact and ubiquitous phenomenon.So do a good job of it the energy-conservation of the energy-conservation especially public building field of building field, it is the most important thing.Air conditioning energy consumption accounts for more than 60% of public building total energy consumption, is the energy consumption rich and influential family of public building, is the emphasis system of building energy conservation.Carry out green building, realize energy-saving and emission-reduction and become the important proposition that current government faces at present, new design for economical air conditioning system ought to cause the concern of vast design of HVAC engineer emphasis, faced urgent task.
Summary of the invention
The purpose of this utility model is the situation overcoming prior art deficiency, theory irregularity, provides a kind of healthy, comfortable, green, environmental protection, energy-conservation, efficient water source VRF air conditioner cold-heat origin system.
The technical scheme that the utility model adopts is: pass through Technology Integration, be formed as a whole set of water source VRF air conditioner cold-heat origin system of water source VRF air-conditioner set end service, and supporting water source VRF air-conditioner control system is set, realize water source VRF air conditioner cold-heat source system high efficiency, reliability service.
1. water source VRF air conditioner cold-heat origin system
(1) the water source VRF air conditioner cold-heat origin system described in comprises closed cooling tower 1, auxiliary thermal source-low-temperature air-cooling heat pump unit 2, water-water heat exchanger 3, water source VRF air-conditioner outdoor unit 4, water source VRF indoor apparatus of air conditioner 5, air-cooled heat pump side water circulating pump 6, air conditioner water looped cycle water pump 7, pipeline valve member 8;
Connected by water pipe between the air conditioner water loop side of described closed cooling tower 1, water-water heat exchanger 3, water source VRF air-conditioner outdoor unit 4, air conditioner water looped cycle water pump 7, form air conditioner water loop;
Connected by water pipe between the air-cooled heat pump side of described auxiliary thermal source-low-temperature air-cooling heat pump unit 2, water-water heat exchanger 3, air-cooled heat pump side water circulating pump 6, form air-cooled heat pump side ring road;
Described air conditioner water loop and air-cooled heat pump side ring road arrange pipeline valve member 8, and pipeline valve member 8 comprises electric switching valve 81, electric three-way regulating valves 82, electric control valve 83, water flow switch 84, flow sensor 85, temperature sensor 86;
Connected by refrigerant pipe between described water source VRF air-conditioner outdoor unit 4, water source VRF indoor apparatus of air conditioner 5;
The concrete connected mode of air conditioner water loop of 1.1 water source VRF air conditioner cold-heat origin systems is as follows:
A the recirculated water of the air conditioner water loop described in () pressurizes through air conditioner water looped cycle water pump 7, be connected to water source VRF air-conditioner outdoor unit 4, recirculated water gets back to water circulating pump 7 after heat exchange; The water source VRF air-conditioner outdoor unit 4 of each air conditioning zoning all arranges corresponding electric switching valve, water flow switch;
B pipeline that () is connected with water source VRF air-conditioner outdoor unit 4 is respectively recirculated water backwater main and recirculated water water main, recirculated water backwater main establishes two-way arm with on recirculated water water main: a road arm is connected closed cooling tower 1, and on pipeline, arrange corresponding electric switching valve, water flow switch, temperature sensor; Another road arm connects the air conditioner water loop side of water-water heat exchanger 3, and on pipeline, arrange corresponding electric switching valve, electric three-way regulating valves, temperature sensor; The recirculated water processed through closed cooling tower 1 or water-water heat exchanger 3 is connected to water source VRF air-conditioner outdoor unit 4 by the water main be connected with water source VRF air-conditioner outdoor unit 4, and on water main, be provided with air conditioner water looped cycle water pump 7; ;
Set temperature sensor on (c) recirculated water water main; Recirculated water backwater main arranges flow sensor, temperature sensor; Between recirculated water water main and backwater main, electric control valve is set.
D the air conditioner water looped cycle water pump 7 described in () belongs to water system circulation power, the concrete position arranged can change according to actual conditions.
(2) when configuring the water source VRF air-conditioner outdoor unit 4 of two or more air conditioning zoning, water source VRF air conditioner cold-heat origin system also comprises water knockout drum 9, water collector 10.
Connected by water pipe between the air conditioner water loop side of described closed cooling tower 1, water-water heat exchanger 3, water source VRF air-conditioner outdoor unit 4, air conditioner water looped cycle water pump 7, water knockout drum 9, water collector 10, form air conditioner water loop;
Wherein, air-conditioner circulating water prepared by described water source VRF air-conditioning system is dispensed to the water source VRF air-conditioner outdoor unit 4 of multiple air conditioning zoning by water knockout drum 9, water collector 10;
Connected by water pipe between the air-cooled heat pump side of described auxiliary thermal source-low-temperature air-cooling heat pump unit 2, water-water heat exchanger 3, air-cooled heat pump side water circulating pump 6, form air-cooled heat pump side ring road;
Described air conditioner water loop and air-cooled heat pump side ring road arrange pipeline valve member 8, and pipeline valve member 8 comprises electric switching valve 81, electric three-way regulating valves 82, electric control valve 83, water flow switch 84, flow sensor 85, temperature sensor 86;
Connected by refrigerant pipe between described water source VRF air-conditioner outdoor unit 4, water source VRF indoor apparatus of air conditioner 5.
The concrete connected mode of air conditioner water loop of 1.2 water source VRF air conditioner cold-heat origin systems is as follows:
A the recirculated water of the air conditioner water loop described in () pressurizes through air conditioner water looped cycle water pump 7, be connected to water knockout drum 9, and be dispensed to the water source VRF air-conditioner outdoor unit 4 of each air conditioning zoning, recirculated water gets back to water collector 10 after heat exchange; The water source VRF air-conditioner outdoor unit 4 of each air conditioning zoning all arranges corresponding electric switching valve, water flow switch;
B the backwater of the water collector 10 described in () establishes two-way arm; One road arm connects closed cooling tower 1, and on pipeline, arrange corresponding electric switching valve, water flow switch, temperature sensor; Another road arm connects the air conditioner water loop side of water-water heat exchanger 3, and on pipeline, arrange corresponding electric switching valve, electric three-way regulating valves, temperature sensor; The recirculated water processed through closed cooling tower 1 or water-water heat exchanger 3 is connected to air conditioner water looped cycle water pump 7 by water pipe;
Set temperature sensor before (c) water knockout drum 9; Flow sensor, temperature sensor are set after water collector 10; Between water knockout drum 9 and water collector 10, electric control valve is set;
D the air conditioner water looped cycle water pump 7 described in () belongs to water system circulation power, the concrete position arranged can change according to actual conditions.
The concrete connected mode in air-cooled heat pump side ring road of 1.2 water source VRF air conditioner cold-heat origin systems is as follows:
The recirculated water on described air-cooled heat pump side ring road pressurizes through air-cooled heat pump side water circulating pump 6, connect the air-cooled heat pump side of auxiliary thermal source-low-temperature air-cooling heat pump unit 2, water-water heat exchanger 3 successively, access air-cooled heat pump side water circulating pump 6 again, form air-cooled heat pump side ring road; Auxiliary thermal source-low-temperature air-cooling heat pump unit 2 arranges corresponding electric switching valve, water flow switch, temperature sensor; The air-cooled heat pump side ring trackside of water-water heat exchanger 3 arranges electric switching valve; Set temperature sensor, flow sensor on water main, backwater main;
Described air-cooled heat pump side water circulating pump 6 belongs to water system circulation power, and the concrete position arranged can change according to actual conditions;
2, water source VRF air-conditioner control system
The water source VRF air-conditioner control system that described water source VRF air conditioner cold-heat source Operation system setting is supporting, comprises terminal handler 11, automatically controls cable 12; Terminal handler 11 is connected with water source VRF air conditioner cold-heat origin system by automatically controlling cable 12.
The closed cooling tower 1 of described water source VRF air conditioner cold-heat origin system, auxiliary thermal source-low-temperature air-cooling heat pump unit 2, water source VRF air-conditioner outdoor unit 4, air-cooled heat pump side water circulating pump 6, air conditioner water looped cycle water pump 7, pipe valve 8 all control by automatic the terminal handler 11 that cable 12 accesses water source VRF air-conditioner control system;
Connect by automatically controlling cable 12 between described water source VRF air-conditioner outdoor unit 4, water source VRF indoor apparatus of air conditioner 5.
Connection and the control mode of the control system of 2.1 air conditioner water loops are as follows:
After described water source VRF indoor apparatus of air conditioner 5 sends start requirement by the personnel of air conditioning area, water source VRF air-conditioner outdoor unit 5 is sent to by automatically controlling cable 12, corresponding electric switching valve is opened in interlock, after water flow switch action, open water source VRF air-conditioner outdoor unit 5, and feed back start signal to the terminal handler 11 of water source VRF air-conditioner control system;
After described water source VRF indoor apparatus of air conditioner 5 sends shutdown requirement by the personnel of air conditioning area, water source VRF air-conditioner outdoor unit 5 is sent to by automatically controlling cable 12, close water source VRF air-conditioner outdoor unit 5, corresponding electric switching valve successively, and feed back shutdown signal to the terminal handler 11 of water source VRF air-conditioner control system;
Described terminal handler 11 is by the operation number of units of integrating water source VRF air-conditioner outdoor unit 5, determine the operation number of units of closed cooling tower 1, water-water heat exchanger 3, air conditioner water looped cycle water pump 7, the running frequency of the air conditioner water looped cycle water pump 7 of adjustment opening;
Described terminal handler 11 is by opening and closing the electric switching valve of closed cooling tower 1 correspondence, regulating the electric switching valve of water-water heat exchanger 3 correspondence, and when when realizing water source VRF air-conditioning system cooling, recirculated water enters closed cooling tower 1, heat supply, recirculated water enters the object of water-water heat exchanger 3;
During described water source VRF air-conditioning system cooling, recirculated water enters the closed cooling tower 1 under opening, by the deviation of the temperature sensor with setting value of monitoring its outlet, adjusts open/close states or the running frequency of the blower fan of closed cooling tower 1;
During described water source VRF air-conditioning system heat supply, recirculated water enters the water-water heat exchanger 3 under opening, by the deviation of the temperature sensor with setting value of monitoring its outlet, adjusts the aperture of electric three-way regulating valves.
Connection and the control mode of the control system on 2.2 air-cooled heat pump side ring roads are as follows:
The electric switching valve of the air-cooled heat pump side ring trackside of described water-water heat exchanger 3 is consistent with the air conditioner water loop electric switching valve open/close states of water-water heat exchanger 3;
Flow sensor, the temperature sensor on described air-cooled heat pump side ring road transmit signals to terminal handler 11, by the numerical value of integrating air conditioner heat load, determine the operation number of units of auxiliary thermal source-low-temperature air-cooling heat pump unit 2, air-cooled heat pump side water circulating pump 6; The controller built-in by auxiliary thermal source-low-temperature air-cooling heat pump unit 2 controls leaving water temperature.
Advantage of the present utility model is as follows:
Global design theory of the present utility model is: by integrating the advantage of air-conditioning novel energy-conserving technology, be formed as a whole set of water source VRF air conditioner cold-heat origin system of water source VRF air-conditioner set end service, and supporting water source VRF air-conditioner control system is set, realize water source VRF air conditioner cold-heat source system high efficiency, reliability service.
Advantage of the present utility model is as follows:
1. adopt VRF air-conditioning system to tackle each air conditioning area in subregion flexibly to the demand of indoor temperature and humidity, and promote behavior energy saving;
2. when utilizing water source VRF air-conditioning system refrigeration, condensation temperature is lower than air-source VRF air-conditioning system, feature that efficiency is higher, set up water source VRF air-conditioning system framework, and supporting when refrigeration is set to the auxiliary thermal source-low-temperature air-cooling heat pump unit and the water-water heat exchanger that when the closed cooling tower of outdoor heat radiation and heat supply are the heating of air conditioner water loop, comparatively regular air source VRF air-conditioning system installed power and energy consumption lower;
3. utilize the feature that Air-Cooled Heat Pump Unit heat supply efficiency raises along with the reduction of hot water temperature, comparatively conventional system is lower for the heat supply water temperature of auxiliary thermal source-low-temperature air-cooling heat pump unit, and unit operation is more energy-conservation;
4., when each water source VRF air-conditioner set exists cooling, heat supply respectively, air conditioner water loop can realize the effect neutralizing hot and cold load difference, makes full use of cold/heat, reduces operation energy consumption;
5. be object based on reliable, the efficient energy-saving of system cloud gray model for water source VRF air-conditioner control system that water source VRF air conditioner cold-heat source system is customized and arrange, comprise the control etc. of the built-in blower fan of pump variable frequency, auxiliary thermal source-low-temperature air-cooling heat pump unit step-less adjustment, closed cooling tower, spray pump, have concurrently and control advantage that is succinct, reliable, efficient energy-saving.
5. water source VRF air-conditioner outdoor unit and indoor set can be purchased by stages, install, and reduce the initial investment pressure of owner;
6., for the needs of efficient, the reliability service of system, be supportingly provided with the high water source VRF air-conditioner control system of specific aim.
7. the ratio that the common equipment energy consumption such as closed cooling tower, auxiliary thermal source-low-temperature air-cooling heat pump unit, water pump accounts for total energy consumption be about more than 15%, 85% for power consumption be user's independent counting, be conducive to promoting behavior energy saving.
8. native system by main high noisy or heat dissipation equipment (closed cooling tower, auxiliary thermal source-low-temperature air-cooling heat pump unit, water pump) concentrated setting in roofing or pump house, for traditional air-cooled multiple on-line system, more efficient energy-saving, building itself can provide quieter pleasant environment simultaneously.
Accompanying drawing illustrates:
Fig. 1 water source VRF air conditioner cold-heat source system flow chart;
Fig. 2 water source VRF air conditioner cold-heat source systematic schematic diagram;
Fig. 2 a water source VRF air conditioner cold-heat origin system cooling schematic diagram;
Fig. 2 b water source VRF air conditioner cold-heat origin system heating principles figure;
Fig. 3 water source VRF air-conditioner control system schematic diagram;
The water source VRF air conditioner cold-heat source system flow chart of Fig. 4 not containing water knockout drum, water collector on Fig. 1 basis.
Label declaration
1 closed cooling tower, 2 auxiliary thermal sources-low-temperature air-cooling heat pump unit, 3 water-water heat exchangers, 4 water source VRF air-conditioner outdoor units, 5 water source VRF indoor apparatus of air conditioner, 6 air-cooled heat pump side water circulating pumps, 7 air conditioner water looped cycle water pumps, 8 pipeline valve members, 81 electric switching valves, 82 electric three-way regulating valves, 83 electric control valves, 84 water flow switches, 85 flow sensors, 86 temperature sensors, 9 water knockout drums, 10 water collectors, 11 terminal handlers, 12 control cable automatically.
Detailed description of the invention:
In order to make structure of the present utility model clearly complete, below in conjunction with accompanying drawing, the utility model is described further.
The utility model is different according to the quantity of the water source VRF air-conditioner outdoor unit 4 of air conditioning zoning, is configured with two kinds of different schemes,
More common situation, when configuring the water source VRF air-conditioner outdoor unit 4 of two or more air conditioning zoning, adopts following examples;
Embodiment 1
1. water source VRF air conditioner cold-heat source system flow is as shown in Figure 1:
Connected by water pipe between the air conditioner water loop side of described closed cooling tower 1, water-water heat exchanger 3, water source VRF air-conditioner outdoor unit 4, air conditioner water looped cycle water pump 7, water knockout drum 9, water collector 10, form air conditioner water loop;
Wherein, air-conditioner circulating water prepared by described water source VRF air-conditioning system is dispensed to the water source VRF air-conditioner outdoor unit 4 of multiple air conditioning zoning by water knockout drum 9, water collector 10;
Connected by water pipe between the air-cooled heat pump side of described auxiliary thermal source-low-temperature air-cooling heat pump unit 2, water-water heat exchanger 3, air-cooled heat pump side water circulating pump 6, form air-cooled heat pump side ring road;
Described air conditioner water loop and air-cooled heat pump side ring road arrange pipeline valve member 8, and pipeline valve member 8 comprises electric switching valve 81, electric three-way regulating valves 82, electric control valve 83, water flow switch 84, flow sensor 85, temperature sensor 86;
Connected by refrigerant pipe between described water source VRF air-conditioner outdoor unit 4, water source VRF indoor apparatus of air conditioner 5;
The closed cooling tower 1 of described water source VRF air conditioner cold-heat origin system, auxiliary thermal source-low-temperature air-cooling heat pump unit 2, water source VRF air-conditioner outdoor unit 4, air-cooled heat pump side water circulating pump 6, air conditioner water looped cycle water pump 7, pipe valve 8 all control by automatic the terminal handler 11 that cable 12 accesses water source VRF air-conditioner control system;
Connect by automatically controlling cable 12 between described water source VRF air-conditioner outdoor unit 4, water source VRF indoor apparatus of air conditioner 5.
2. water source VRF air conditioner cold-heat source system principle is as shown in Fig. 2,2a, 2b, and concrete connected mode is as follows:
The concrete connected mode of 2.1 air conditioner water loops
A the recirculated water of the air conditioner water loop described in () pressurizes through air conditioner water looped cycle water pump 7, be connected to water knockout drum 9, and be dispensed to the water source VRF air-conditioner outdoor unit 4 of each air conditioning zoning, recirculated water gets back to water collector 10 after heat exchange; The water source VRF air-conditioner outdoor unit 4 of each air conditioning zoning all arranges corresponding electric switching valve, water flow switch;
B the backwater of the water collector 10 described in () establishes two-way arm; One road arm connects closed cooling tower 1, and on pipeline, arrange corresponding electric switching valve, water flow switch, temperature sensor; Another road arm connects the air conditioner water loop side of water-water heat exchanger 3, and on pipeline, arrange corresponding electric switching valve, electric three-way regulating valves, temperature sensor; The recirculated water processed through closed cooling tower 1 or water-water heat exchanger 3 is connected to air conditioner water looped cycle water pump 7 by water pipe;
Set temperature sensor before (c) water knockout drum 9; Flow sensor, temperature sensor are set after water collector 10; Between water knockout drum 9 and water collector 10, electric control valve is set;
D the air conditioner water looped cycle water pump 7 described in () belongs to water system circulation power, the concrete position arranged can change according to actual conditions;
The concrete connected mode on 2.2 air-cooled heat pump side ring roads
The recirculated water on described air-cooled heat pump side ring road pressurizes through air-cooled heat pump side water circulating pump 6, connect the air-cooled heat pump side of auxiliary thermal source-low-temperature air-cooling heat pump unit 2, water-water heat exchanger 3 successively, access air-cooled heat pump side water circulating pump 6 again, form air-cooled heat pump side ring road; Auxiliary thermal source-low-temperature air-cooling heat pump unit 2 arranges corresponding electric switching valve, water flow switch, temperature sensor; The air-cooled heat pump side ring trackside of water-water heat exchanger 3 arranges electric switching valve; Set temperature sensor, flow sensor on water main, backwater main;
Described air-cooled heat pump side water circulating pump 6 belongs to water system circulation power, and the concrete position arranged can change according to actual conditions;
3. water source VRF air-conditioner control system principle is as shown in Figure 3, and each equipment, pipeline valve member are all connected to terminal handler by automatically controlling cable, and concrete control is as follows:
The control system of 3.1 air conditioner water loops
After described water source VRF indoor apparatus of air conditioner 5 sends start requirement by the personnel of air conditioning area, water source VRF air-conditioner outdoor unit 5 is sent to by automatically controlling cable 12, corresponding electric switching valve is opened in interlock, after water flow switch action, open water source VRF air-conditioner outdoor unit 5, and feed back start signal to the terminal handler 11 of water source VRF air-conditioner control system;
After described water source VRF indoor apparatus of air conditioner 5 sends shutdown requirement by the personnel of air conditioning area, water source VRF air-conditioner outdoor unit 5 is sent to by automatically controlling cable 12, close water source VRF air-conditioner outdoor unit 5, corresponding electric switching valve successively, and feed back shutdown signal to the terminal handler 11 of water source VRF air-conditioner control system;
Described terminal handler 11 is by the operation number of units of integrating water source VRF air-conditioner outdoor unit 5, determine the operation number of units of closed cooling tower 1, water-water heat exchanger 3, air conditioner water looped cycle water pump 7, the running frequency of the air conditioner water looped cycle water pump 7 of adjustment opening;
Described terminal handler 11 is by opening and closing the electric switching valve of closed cooling tower 1 correspondence, regulating the electric switching valve of water-water heat exchanger 3 correspondence, and when when realizing water source VRF air-conditioning system cooling, recirculated water enters closed cooling tower 1, heat supply, recirculated water enters the object of water-water heat exchanger 3;
During described water source VRF air-conditioning system cooling, recirculated water enters the closed cooling tower 1 under opening, by the deviation of the temperature sensor with setting value of monitoring its outlet, adjusts the blower fan of closed cooling tower 1, the open/close states of spray pump or running frequency;
During described water source VRF air-conditioning system heat supply, recirculated water enters the water-water heat exchanger 3 under opening, by the deviation of the temperature sensor with setting value of monitoring its outlet, adjusts the aperture of electric three-way regulating valves;
The control system on 3.2 air-cooled heat pump side ring roads
The electric switching valve of the air-cooled heat pump side ring trackside of described water-water heat exchanger 3 is consistent with the air conditioner water loop electric switching valve open/close states of water-water heat exchanger 3;
Flow sensor, the temperature sensor on described air-cooled heat pump side ring road transmit signals to terminal handler 11, by the numerical value of integrating air conditioner heat load, determine the operation number of units of auxiliary thermal source-low-temperature air-cooling heat pump unit 2, air-cooled heat pump side water circulating pump 6; The controller built-in by auxiliary thermal source-low-temperature air-cooling heat pump unit 2 controls leaving water temperature.
Special circumstances:
Embodiment 2
In time only having the water source VRF air-conditioner outdoor unit 4 of an air conditioning zoning,
Water knockout drum 9 in embodiment 1, water collector 10 can be considered to omit; As shown in Figure 4:
Namely described water source VRF air conditioner cold-heat origin system comprises closed cooling tower 1, auxiliary thermal source-low-temperature air-cooling heat pump unit 2, water-water heat exchanger 3, water source VRF air-conditioner outdoor unit 4, water source VRF indoor apparatus of air conditioner 5, air-cooled heat pump side water circulating pump 6, air conditioner water looped cycle water pump 7, pipeline valve member 8;
Described water source VRF air conditioner cold-heat origin system is divided into air conditioner water loop and air-cooled heat pump side ring road;
Wherein, connected by water pipe between the air conditioner water loop side of described closed cooling tower 1, water-water heat exchanger 3, water source VRF air-conditioner outdoor unit 4, air conditioner water looped cycle water pump 7, form air conditioner water loop;
Connected by water pipe between the air-cooled heat pump side of described auxiliary thermal source-low-temperature air-cooling heat pump unit 2, water-water heat exchanger 3, air-cooled heat pump side water circulating pump 6, form air-cooled heat pump side ring road;
Described air conditioner water loop and air-cooled heat pump side ring road arrange pipeline valve member 8, and pipeline valve member 8 comprises electric switching valve, electric three-way regulating valves, electric control valve, water flow switch, flow sensor, temperature sensor;
Connected by refrigerant pipe between described water source VRF air-conditioner outdoor unit 4, water source VRF indoor apparatus of air conditioner 5.
The concrete connected mode of air conditioner water loop of water source VRF air conditioner cold-heat origin system is as follows:
A the recirculated water of the air conditioner water loop described in () pressurizes through air conditioner water looped cycle water pump 7, be connected to water source VRF air-conditioner outdoor unit 4, recirculated water gets back to water circulating pump 7 after heat exchange; The water source VRF air-conditioner outdoor unit 4 of each air conditioning zoning all arranges corresponding electric switching valve, water flow switch;
B pipeline that () is connected with water source VRF air-conditioner outdoor unit 4 is respectively recirculated water backwater main and recirculated water water main, recirculated water backwater main establishes two-way arm with on recirculated water water main: a road arm is connected closed cooling tower 1, and on pipeline, arrange corresponding electric switching valve, water flow switch, temperature sensor; Another road arm connects the air conditioner water loop side of water-water heat exchanger 3, and on pipeline, arrange corresponding electric switching valve, electric three-way regulating valves, temperature sensor; The recirculated water processed through closed cooling tower 1 or water-water heat exchanger 3 is connected to water source VRF air-conditioner outdoor unit 4 by the water main be connected with water source VRF air-conditioner outdoor unit 4, and on water main, be provided with air conditioner water looped cycle water pump 7; ;
Set temperature sensor on (c) recirculated water water main; Recirculated water backwater main arranges flow sensor, temperature sensor; Between recirculated water water main and backwater main, electric control valve is set.
D the air conditioner water looped cycle water pump 7 described in () belongs to water system circulation power, the concrete position arranged can change according to actual conditions.
The annexation on air-cooled heat pump side ring road and operation principle, and the annexation of water source VRF air-conditioner control system and the basic indifference of operation principle.
Water source VRF air conditioner cold-heat origin system main points are set
1. the operational factor of the water source VRF air conditioner cold-heat origin system described in
The operational factor of water source VRF air conditioner cold-heat origin system can adjust flexibly according to the weather conditions implementing area.For the science and technology synthesis project close beta of city, wisdom port, Fuzhou City, this project is positioned at the North of hot summer and warm winter region, and the outdoor calculating of summer air-conditioning is fumbled temperature 28 DEG C, the outdoor calculating dry-bulb temperature 4.4 DEG C of winter air-conditioning;
Consider that the supply water temperature of air conditioner water loop to be fumbled temperature about 3 ~ 4 DEG C higher than the outdoor calculating of summer air-conditioning, confession when getting air conditioner water loop cooling, return water temperature are 32 ~ 37 DEG C;
Get confession during the heat supply of air conditioner water loop, return water temperature is 21.5 ~ 20 DEG C; Air-cooled heat pump side supplies, return water temperature is 26 ~ 21 DEG C.
2. the cooling of the water source VRF air conditioner cold-heat origin system described in, for the switching of thermal condition be control the keying of the electric switching valve of closed cooling tower and correspondence thereof by water source VRF air-conditioner control system, the keying of electric T-shaped valve that water-water heat exchanger is corresponding realizes.
3. the operation control strategy of the water source VRF air conditioner cold-heat origin system described in is as follows:
3.1 control objects: each auxiliary thermal source-low-temperature air-cooling heat pump unit, closed cooling tower, water source VRF air-conditioner outdoor unit, water source VRF indoor apparatus of air conditioner; Air-cooled heat pump side water circulating pump, air conditioner water looped cycle water pump; Electric switching valve in pipeline valve member, electric control valve, electric three-way regulating valves.
3.2 Detection of contents: the confession of air conditioner water loop, return water temperature and flow; The confession on air-cooled heat pump side ring road, return water temperature and flow; Water flow switch open/close states; Closed cooling tower, auxiliary thermal source-low-temperature air-cooling heat pump unit, water resource heat pump turn cold matchmaker's air-conditioner host, air-cooled heat pump side water circulating pump, the normal operation of air conditioner water looped cycle water pump, fault and long-range/local transition status; The operating frequency monitoring of air conditioner water looped cycle water pump.Above content should be able to show on DDC.
3.3 interlocked control and protection
1) according to the route card be ranked, the DDC start and stop unit on time of water source VRF air-conditioner outdoor unit, indoor set.
Start during cooling:
→ water flow switch → off-premises station unlatching opened by indoor set application → off-premises station start application → corresponding motor-driven valve;
Off-premises station start application → air conditioner water looped cycle water pump → closed cooling tower.
Stop during cooling:
Indoor office → outdoor office → air conditioner water looped cycle water pump → closed cooling tower;
Off-premises station closes → corresponding motor-driven valve pass.
Start during heat supply:
→ water flow switch → off-premises station unlatching opened by indoor set application → off-premises station start application → corresponding motor-driven valve;
Off-premises station start application → air conditioner water looped cycle water pump → air-cooled heat pump side water circulating pump → auxiliary thermal source-low-temperature air-cooling heat pump unit;
Stop during heat supply:
Indoor set closedown → outdoor office → auxiliary thermal source-low-temperature air-cooling heat pump unit → air-cooled heat pump side water circulating pump → air conditioner water looped cycle water pump;
Off-premises station closes → corresponding motor-driven valve pass.
2) by the accumulation of DDC to each operation hours, realize the equilibrium operating of same group of equipment, when wherein an equipment breaks down, stand-by equipment can put into operation automatically, meanwhile, and prompting maintenance.
3) DDC should be consistent with the requirement of closed cooling tower/auxiliary thermal source-low-temperature air-cooling heat pump unit to the on off control time of air conditioner water looped cycle water pump, air-cooled heat pump side water circulating pump.
4) electric switching valve of each water source VRF air-conditioner outdoor unit and corresponding pipeline, water flow switch are chain.After receiving start application, open the electric switching valve on corresponding pipeline, and start shooting after water flow switch action.
5) after starting mode of pump, water flow switch detects streamflow regime, and protect from water break occurs, and each water resource heat pump turns cold matchmaker's air-conditioner host, air-cooled heat pump autostop.
3.4 report to the police: temperature over-range is reported to the police, and fault of water pump is protected alert, differential water pressures overload alarm, and hostdown is reported to the police.
3.5 displays and printing: parameter, state, reports to the police, dynamic flow diagram (setting value, measured value, state)
3.6 system conditions and process control
1) control the keying of the electric switching valve of closed cooling tower pipeline, the electric switching valve of water-water heat exchanger pipeline, realize the switching of cold/heat supply operating mode;
2) increase and decrease of air conditioner water looped cycle water pump and variable frequency adjustment:
By detecting the operation number of units of water source VRF air-conditioner outdoor unit, the operation number of units of adjustment air conditioner water looped cycle water pump.I.e. corresponding 1 the air conditioner water looped cycle water pump of n platform water source VRF air-conditioner outdoor unit.
By detecting supply and return water temperature, according to the deviation adjusting water pump frequency of supply backwater temperature difference and setting value.Under water pump frequency reaches 40Hz in limited time, no longer frequency conversion, runs by 40Hz.By the motorized adjustment valve opening between adjustment water knockout drum and water collector, maintain pressure reduction constant.
3), during cooling, the operation row number of units of corresponding air conditioner water looped cycle water pump, determines the operation number of units of closed cooling tower.Namely the air conditioner water looped cycle water pump metered flow under opening and closed cooling tower metered flow equity.Closed cooling tower band intelligent control box.According to the deviation of leaving water temperature and setting value, control the blower fan of closed cooling tower, the start and stop of spray pump.
4), during heat supply, air-cooled heat pump side ring road, by the step-less adjustment of air-cooled heat pump, maintains supply water temperature constant.Air-cooled heat pump band intelligent control box, according to the change of supply water temperature during heat supply, automatic regulating machine group heating load and operation number of units.Air conditioner water loop, according to the deviation of the water-mixing temperature after the rearmounted electric three-way regulating valves of water-water heat exchanger and setting value, regulates the water yield ratio entering water-water heat exchanger.
5) the bound scope of setup times time delay and cold control, prevents the frequent start-stop of unit.The embody rule of following water source VRF air conditioner cold-heat origin system:
This application is positioned at somewhere, Fuzhou City, overall floorage 48,806m
2, basement 1 layer, on the ground main building 18 layers, podium 3 layers, building height 83.05m.Main building building function is based on rent and sale, personal office, and podium is the supporting room of business etc.Retail shop's gross area about 4,750m
2, office, meeting room and assistance building area about 3,4848m
2.
Air-conditioning calculating parameter is chosen by Fuzhou area.Wherein, the outdoor calculating dry-bulb temperature 35.9 DEG C of summer air-conditioning, wet-bulb temperature 28.0 DEG C; Winter air-conditioning accounting temperature 4.4 DEG C, relative humidity 74%.Summer air-conditioning refrigeration duty is 5333kW, and winter air-conditioning thermic load is 1478kW.
Air-conditioning system adopts water source, subregion VRF air conditioner cold-heat origin system.Realize subregion independent counting, be connected in parallel by the water source VRF air-conditioner outdoor unit of public water loops by regional simultaneously; Summer, cooling tower adopted closed cooling tower.Auxiliary thermal source adopted low-temperature water heating Air-Cooled Heat Pump Unit, by board-like water-water heat exchanger heat cycles hot water winter.Closed cooling tower, auxiliary thermal source-low-temperature air-cooling heat pump unit, board-like water-water heat exchanger concentrated setting are at large roofing.Air conditioner water looped cycle water pump is arranged in basement Air-conditioning Cycle pump house.Public loop component (containing closed cooling tower, auxiliary thermal source-low-temperature air-cooling heat pump, water pump) adopts and is equally shared by all charging way, shares operating cost by function weight running time.Air conditioner water looped cycle water pump arranges 2 covers, tackles the traffic demand at Summer and winter daytime on working day, Summer and winter weekend and night respectively.
This air-conditioning system access automatic building control system BAS system, namely control system adopts above-mentioned water source VRF air-conditioner control system.
The configuration of this project is as follows:
(1) closed cooling tower:
The specified water yield 150m3/h of separate unit, totally 9;
(2) auxiliary thermal source-low-temperature air-cooling heat pump unit:
Individual capacity is 754kw, and supply and return water temperature is 26 ~ 21 DEG C, totally 2;
(3) water-water heat exchanger:
Adopt board-like water-water heat exchanger, specified heat exchange amount is 1630kw, totally 1;
(4) water source VRF air-conditioner outdoor unit: 180 covers;
(5) water source VRF indoor apparatus of air conditioner: corresponding with water source VRF air-conditioner outdoor unit;
(6) air-cooled heat pump side water circulating pump:
Separate unit flow 280m3/h, lift 14.5m, totally 2,1 is standby with 1;
(7) air conditioner water looped cycle water pump:
Summer and winter runs daytime on working day: separate unit flow 450m3/h, lift 25m, and totally 4,3 is standby with 1;
Summer and winter weekend and night are run: separate unit flow 280m3/h, lift 22m, and totally 4,1 is standby with 1;
(8) pipeline valve member: setting supporting with the said equipment;
(9) water knockout drum, (10) water collector: do not arrange;
(11) terminal handler: access automatic building control system BAS system;
(12) automatically cable is controlled: with the said equipment, the supporting setting of cable.
The technology of this project, economic indicator
This engineering total refrigeration duty in summer is about 5333kW, and thermic load is about 1478kW, conversion unit construction area refrigeration duty 109W/m
2, unit construction area thermic load 30W/m
2.Total wasted work rate N=1353.1kW under cooling design conditions, conversion unit construction area wasted work rate is 27.7W/m
2.
Under refrigeration design conditions, the wasted work rate of common equipment (containing cooling tower, water pump) is 203.1kW, accounts for total consumption power ratio and is about 15%.
This engineering system takes into full account that building function needs and load variations, is provided with 4 kinds of operating condition patterns.Entire system EER value corresponding under 4 kinds of regime mode is as following table:
Claims (9)
1. a water source VRF air conditioner cold-heat origin system, is characterized in that: it comprises water source VRF air conditioner cold-heat origin system and supporting water source VRF air-conditioner control system;
Described water source VRF air conditioner cold-heat origin system comprises closed cooling tower (1), auxiliary thermal source-low-temperature air-cooling heat pump unit (2), water-water heat exchanger (3), water source VRF air-conditioner outdoor unit (4), water source VRF indoor apparatus of air conditioner (5), air-cooled heat pump side water circulating pump (6), air conditioner water looped cycle water pump (7), pipeline valve member (8);
The water source VRF air-conditioner control system that described water source VRF air conditioner cold-heat source Operation system setting is supporting, comprises terminal handler (11), automatically controls cable (12); Terminal handler (11) is connected with water source VRF air conditioner cold-heat origin system by automatically controlling cable (12).
2. water source according to claim 1 VRF air conditioner cold-heat origin system, it is characterized in that: when configuring water source VRF air-conditioner outdoor unit (4) of two or more air conditioning zoning, water source VRF air conditioner cold-heat origin system also comprises water knockout drum (9), water collector (10).
3. water source according to claim 1 VRF air conditioner cold-heat origin system, is characterized in that:
Described water source VRF air conditioner cold-heat origin system is divided into air conditioner water loop and air-cooled heat pump side ring road;
Wherein, connected by water pipe between described closed cooling tower (1), the air conditioner water loop side of water-water heat exchanger (3), water source VRF air-conditioner outdoor unit (4), air conditioner water looped cycle water pump (7), form air conditioner water loop;
Connected by water pipe between the air-cooled heat pump side of described auxiliary thermal source-low-temperature air-cooling heat pump unit (2), water-water heat exchanger (3), air-cooled heat pump side water circulating pump (6), form air-cooled heat pump side ring road;
Described air conditioner water loop and air-cooled heat pump side ring road arrange pipeline valve member (8), and pipeline valve member (8) comprises electric switching valve (81), electric three-way regulating valves (82), electric control valve (83), water flow switch (84), flow sensor (85), temperature sensor (86);
Connected by refrigerant pipe between described water source VRF air-conditioner outdoor unit (4), water source VRF indoor apparatus of air conditioner (5);
The closed cooling tower (1) of described water source VRF air conditioner cold-heat origin system, auxiliary thermal source-low-temperature air-cooling heat pump unit (2), water source VRF air-conditioner outdoor unit (4), air-cooled heat pump side water circulating pump (6), air conditioner water looped cycle water pump (7), pipe valve (8) are all by automatically controlling the terminal handler (11) of cable (12) access water source VRF air-conditioner control system;
Connect by automatically controlling cable (12) between described water source VRF air-conditioner outdoor unit (4), water source VRF indoor apparatus of air conditioner (5).
4. water source according to claim 2 VRF air conditioner cold-heat origin system, is characterized in that:
Described water source VRF air conditioner cold-heat origin system is divided into air conditioner water loop and air-cooled heat pump side ring road;
Described closed cooling tower (1), the air conditioner water loop side of water-water heat exchanger (3), water source VRF air-conditioner outdoor unit (4), air conditioner water looped cycle water pump (7), water knockout drum (9), water collector are connected by water pipe between (10), form air conditioner water loop;
Wherein, air-conditioner circulating water prepared by described water source VRF air-conditioning system is dispensed to water source VRF air-conditioner outdoor unit (4) of multiple air conditioning zoning by water knockout drum (9), water collector (10);
Connected by water pipe between the air-cooled heat pump side of described auxiliary thermal source-low-temperature air-cooling heat pump unit (2), water-water heat exchanger (3), air-cooled heat pump side water circulating pump (6), form air-cooled heat pump side ring road;
Described air conditioner water loop and air-cooled heat pump side ring road arrange pipeline valve member (8), and pipeline valve member (8) comprises electric switching valve (81), electric three-way regulating valves (82), electric control valve (83), water flow switch (84), flow sensor (85), temperature sensor (86);
Connected by refrigerant pipe between described water source VRF air-conditioner outdoor unit (4), water source VRF indoor apparatus of air conditioner (5);
The closed cooling tower (1) of described water source VRF air conditioner cold-heat origin system, auxiliary thermal source-low-temperature air-cooling heat pump unit (2), water source VRF air-conditioner outdoor unit (4), air-cooled heat pump side water circulating pump (6), air conditioner water looped cycle water pump (7), pipe valve (8) are all by automatically controlling the terminal handler (11) of cable (12) access water source VRF air-conditioner control system;
Connect by automatically controlling cable (12) between described water source VRF air-conditioner outdoor unit (4), water source VRF indoor apparatus of air conditioner (5).
5. water source according to claim 3 VRF air conditioner cold-heat origin system, is characterized in that: the concrete connected mode of air conditioner water loop of water source VRF air conditioner cold-heat origin system is as follows:
A the recirculated water of the air conditioner water loop described in () is through air conditioner water looped cycle water pump (7) pressurization, be connected to water source VRF air-conditioner outdoor unit (4), recirculated water gets back to water circulating pump (7) after heat exchange; Water source VRF air-conditioner outdoor unit (4) of each air conditioning zoning all arranges corresponding electric switching valve, water flow switch;
B pipeline that () is connected with water source VRF air-conditioner outdoor unit (4) is respectively recirculated water backwater main and recirculated water water main, recirculated water backwater main establishes two-way arm with on recirculated water water main: a road arm is connected closed cooling tower (1), and on pipeline, arrange corresponding electric switching valve, water flow switch, temperature sensor; Another road arm connects the air conditioner water loop side of water-water heat exchanger (3), and on pipeline, arrange corresponding electric switching valve, electric three-way regulating valves, temperature sensor; The recirculated water processed through closed cooling tower (1) or water-water heat exchanger (3) is connected to water source VRF air-conditioner outdoor unit (4) by the water main be connected with water source VRF air-conditioner outdoor unit (4), and on water main, be provided with air conditioner water looped cycle water pump (7);
Set temperature sensor on (c) recirculated water water main; Recirculated water backwater main arranges flow sensor, temperature sensor; Between recirculated water water main and backwater main, electric control valve is set.
6. water source according to claim 4 VRF air conditioner cold-heat origin system, is characterized in that: the concrete connected mode of air conditioner water loop of water source VRF air conditioner cold-heat origin system is as follows:
A the recirculated water of the air conditioner water loop described in () pressurizes through air conditioner water looped cycle water pump (7), be connected to water knockout drum (9), be dispensed to water source VRF air-conditioner outdoor unit (4) of each air conditioning zoning, recirculated water gets back to water collector (10) after heat exchange; Water source VRF air-conditioner outdoor unit (4) of each air conditioning zoning all arranges corresponding electric switching valve, water flow switch;
B the backwater of the water collector (10) described in () establishes two-way arm; One road arm connects closed cooling tower (1), and on pipeline, arrange corresponding electric switching valve, water flow switch, temperature sensor; Another road arm connects the air conditioner water loop side of water-water heat exchanger (3), and on pipeline, arrange corresponding electric switching valve, electric three-way regulating valves, temperature sensor; The recirculated water processed through closed cooling tower (1) or water-water heat exchanger (3) is connected to air conditioner water looped cycle water pump (7) by water pipe;
The front set temperature sensor of (c) water knockout drum (9); Water collector arranges flow sensor, temperature sensor after (10); Between water knockout drum (9) and water collector (10), electric control valve is set.
7. the water source VRF air conditioner cold-heat origin system according to claim 3 or 4, is characterized in that: the concrete connected mode in air-cooled heat pump side ring road of water source VRF air conditioner cold-heat origin system is as follows:
A the recirculated water on the air-cooled heat pump side ring road described in () pressurizes through air-cooled heat pump side water circulating pump (6), connect the air-cooled heat pump side of auxiliary thermal source-low-temperature air-cooling heat pump unit (2), water-water heat exchanger (3) successively, access air-cooled heat pump side water circulating pump (6) again, form air-cooled heat pump side ring road; Auxiliary thermal source-low-temperature air-cooling heat pump unit (2) arranges corresponding electric switching valve, water flow switch, temperature sensor; The air-cooled heat pump side ring trackside of water-water heat exchanger (3) arranges electric switching valve; Set temperature sensor, flow sensor on water main, backwater main.
8. the water source VRF air conditioner cold-heat origin system according to claim 3 or 4, is characterized in that:
In the control system of air conditioner water loop:
After described water source VRF indoor apparatus of air conditioner (5) sends start requirement by the personnel of air conditioning area, water source VRF air-conditioner outdoor unit (5) is sent to by automatically controlling cable (12), corresponding electric switching valve is opened in interlock, after water flow switch action, open water source VRF air-conditioner outdoor unit (5), and feed back start signal to the terminal handler (11) of water source VRF air-conditioner control system;
After described water source VRF indoor apparatus of air conditioner (5) sends shutdown requirement by the personnel of air conditioning area, water source VRF air-conditioner outdoor unit (5) is sent to by automatically controlling cable (12), close water source VRF air-conditioner outdoor unit (5), corresponding electric switching valve successively, and feed back shutdown signal to the terminal handler (11) of water source VRF air-conditioner control system;
Described terminal handler (11) is by the operation number of units at integrating water source VRF air-conditioner outdoor unit (5), determine the operation number of units of closed cooling tower (1), water-water heat exchanger (3), air conditioner water looped cycle water pump (7), the running frequency of the air conditioner water looped cycle water pump (7) of adjustment opening;
Described terminal handler (11) is by opening and closing electric switching valve corresponding to closed cooling tower (1), regulating the electric switching valve that water-water heat exchanger (3) is corresponding, and when when realizing water source VRF air-conditioning system cooling, recirculated water enters closed cooling tower (1), heat supply, recirculated water enters the object of water-water heat exchanger (3);
During described water source VRF air-conditioning system cooling, recirculated water enters the closed cooling tower (1) under opening, by monitoring the deviation of its temperature sensor exported and setting value, the open/close states of the blower fan of adjustment closed cooling tower (1) or running frequency;
During described water source VRF air-conditioning system heat supply, recirculated water enters the water-water heat exchanger (3) under opening, by the deviation of the temperature sensor with setting value of monitoring its outlet, adjusts the aperture of electric three-way regulating valves.
9. the water source VRF air conditioner cold-heat origin system according to claim 3 or 4, is characterized in that:
In the control system on air-cooled heat pump side ring road:
The electric switching valve of the air-cooled heat pump side ring trackside of described water-water heat exchanger (3) is consistent with the air conditioner water loop electric switching valve open/close states of water-water heat exchanger (3);
Flow sensor, the temperature sensor on described air-cooled heat pump side ring road transmit signals to terminal handler (11), by the numerical value of integrating air conditioner heat load, determine the operation number of units of auxiliary thermal source-low-temperature air-cooling heat pump unit (2), air-cooled heat pump side water circulating pump (6); The controller built-in by auxiliary thermal source-low-temperature air-cooling heat pump unit (2) controls leaving water temperature.
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| CN105180310A (en) * | 2015-04-01 | 2015-12-23 | 肖剑仁 | Water source VRF air conditioning cold and heat source system |
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| CN106705489B (en) * | 2017-01-20 | 2019-05-24 | 上海理工大学 | In conjunction with the variable refrigerant volume system and its control method of air source heat pump hot water |
| CN113446714B (en) * | 2021-06-23 | 2022-03-18 | 珠海格力电器股份有限公司 | Dynamic deviation control method of water multi-connected system and water multi-connected system |
| CN113790485B (en) * | 2021-08-17 | 2023-04-07 | 江苏鸿鑫智能制造有限公司 | Multi-energy complementary coupling energy system device |
| CN116025972B (en) * | 2022-12-13 | 2024-05-28 | 福建省建筑设计研究院有限公司 | Integrated water loop multifunctional heat balancer |
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| KR101152472B1 (en) * | 2006-05-19 | 2012-07-03 | 엘지전자 주식회사 | Air Conditioner using of the subterranean heat |
| CN203571918U (en) * | 2013-11-11 | 2014-04-30 | 匠人规划建筑设计股份有限公司 | Water source heat pump multi-split air conditioner water system |
| CN204176824U (en) * | 2014-09-23 | 2015-02-25 | 苏宇贵 | Water cooling air conditioning system |
| CN204214097U (en) * | 2014-10-17 | 2015-03-18 | 深圳麦克维尔空调有限公司 | A kind of water source heat pump air conditioning system and water valve assembly thereof |
| CN105180310A (en) * | 2015-04-01 | 2015-12-23 | 肖剑仁 | Water source VRF air conditioning cold and heat source system |
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Address after: 350025 Tonghu Road, Drum Tower District, Fuzhou, Fujian Province, No. 188 Co-patentee after: Fujian Architectural Design Research Institute Co., Ltd. Patentee after: Xiao Jianren Address before: 350000 Fuzhou, Gulou District, Fujian Lake Road, No. 188 Co-patentee before: Architectural Design Institute, Fukien Prov. Patentee before: Xiao Jianren |
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