CN110617551A - Cold plate radiation type multifunctional air conditioning device - Google Patents

Abstract

A cold-plate radiant multifunctional air-conditioning device, in the field of air-conditioning technology, including several valves, buried pipes, fresh air treatment dehumidifiers, fan coil units, air-conditioning rooms, and indoor exhaust pipes. The air-conditioning room includes the top of the air-conditioning room and the air-conditioning room At the bottom, the fan coil unit includes several fan coil units; it also includes cold radiant panels, cooling and heating air-conditioning units, circulating water pumps and three-way proportional regulating valves. Valves, coolers, capillary tubes, cooling fans and evaporators; air-conditioning unit shells include cooling rooms and component assembly rooms; operating process loops include buried pipe air-conditioning heating and hot water systems, fresh air treatment dehumidifiers, air-conditioning refrigeration medium water system, fan coil unit air conditioning refrigeration medium water system, fan coil unit air conditioning heating water system, cold radiant panel air conditioning refrigeration refrigerant water system and cold radiant panel air conditioning refrigeration warm medium water system; the beneficial effects of the present invention are: simple and easy line; one machine with multiple functions; radiant cooling of cold radiant panels.

Description

A cold plate radiant multifunctional air conditioner

technical field

The invention relates to a multifunctional air conditioner, in particular to a cold plate radiant multifunctional air conditioner, and belongs to the technical fields of air dehumidification and radiation cooling for air conditioning.

Background technique

With the continuous improvement of people's living conditions, higher requirements are put forward for the living, working and recuperating environment. Conventional air-conditioning systems can no longer meet people's growing needs for a better life. As we all know, when the indoor unit of a conventional air conditioner is cooled by the air conditioner, it will blow out a strong flow of cold air, which is unbearable for the weak, and it is easy to catch cold on the head, shoulders, or waist, and even cause a cold and fever. "Air-conditioning" disease, people avoid it, but they can't bear the heat.

The cold air blown by the common air conditioner makes the indoor air quickly mixed to achieve the purpose of cooling down and adjusting the temperature. However, for the indoor personnel, they can feel the obvious blowing feeling. From the perspective of indoor comfort, it is not suitable for long-term use. This bone-piercing cold is not good for everyone's health.

In the usual air-conditioning refrigeration, 40% of the heat of the human body is eliminated through convection, only 20% is eliminated through radiation, and another 40% is eliminated through perspiration. The decline takes its toll on people, and the summer is hot, with not only high temperatures but also high humidity, which is more pronounced in the rainy southern regions.

Patent application with application publication number CN101979927A and application number 201010509677X, titled: A composite air-conditioning system and an air conditioning method comprising a rotary dehumidifier and cold plate radiant cooling, the system includes a rotary dehumidifier, a cooling tower and a refrigeration unit , use the dehumidification turbine to remove the humidity load of the fresh air sent into the room, and at the same time, the cooling tower provides cooling water to the refrigeration unit, and the refrigeration unit turns the cooling water into refrigerant water, which is used for radiant cooling to remove the sensible heat load of the room; However, the combination of the above-mentioned rotary dehumidifier, cooling tower and refrigerating unit is basically only for places with large space year-round cooling needs, which cannot be used by ordinary families, and at the same time cannot meet the heating needs in winter.

Application publication number CN110081539A, application number 2019102491068, titled: An air-conditioning system for high-efficiency convection-radiation coupled heat transfer for data centers. The air-conditioning system includes a convection air system and a radiation refrigeration system. The convection air system includes refrigeration and heating air-conditioning units , the radiant refrigeration system includes a frozen water supply pipe and a cold radiant plate forming a loop through the pipeline, the cold water introduced by the frozen water supply pipe from the cold source, passes through the evaporator in the cooling and heating air-conditioning unit, and enters the vertically arranged cold radiant plate in the machine room; The air outlet of the cooling and heating air-conditioning unit is connected with the air outlet under the floor through the air outlet under the floor, and the cold air is sent to the machine room through the air outlet under the floor; they just change the air supply method from bottom to top, not a real cold plate For radiation, all air flow needs to be driven by an external force fan, which makes it impossible for the cold air to flow naturally from bottom to top. It needs an external driving force, that is, a blower fan, which causes problems of noise and wind speed.

Commonly used air conditioners are generally used during the high temperature period in summer. In spring and autumn, when the temperature is not particularly muggy, but still a little hot, turning on the air conditioner will cause energy waste. Is there a conventional air conditioner as a cold source, which can improve the situation of rapid wind and reduce humidity, and can be used in spring and autumn, without wasting energy, and can achieve the purpose of cooling? This comprehensive need has become the urgent expectation of people.

Contents of the invention

The object of the present invention is to aim at the defects of non-cold plate radiation in the above-mentioned prior art, and provide a kind of cold plate radiation type multifunctional air conditioner, which can achieve compact structure, simple and easy operation; one machine with multiple functions; the radiation of cold radiation plate purpose of cooling.

In order to achieve the above object, the technical solution adopted by the present invention is: a cold plate radiant multifunctional air conditioner, including cold radiant plate, valve A-a, valve A-b, buried pipe, valve B-a, valve B-b, fresh air treatment dehumidifier, valve C-a, valve C-b, fan coil unit, valve D-a, valve D-b, air-conditioning room and indoor exhaust pipe, the air-conditioning room includes the top of the air-conditioning room and the bottom of the air-conditioning room, and the fan-coil unit includes several fan coils; the buried pipe Laying at the bottom of the air-conditioning room and under the floor; the fresh air treatment dehumidifier is installed on one side wall of the air-conditioning room, and the fan coil unit is placed on the side of the air-conditioning room or in the kitchen, toilet and corridor;

One end of the fresh air treatment dehumidifier is connected to the fresh air inlet and leads to the outdoor, and the other end is connected to the fresh air outlet and leads to the indoor; the fan coil unit is a commonly used cooling and heating terminal device, which is divided into: Vertical, horizontal, wall-mounted, cassette, etc., which can be placed on the ground, hung on the wall or embedded in the ceiling;

It also includes a cooling and heating air-conditioning unit, a circulating water pump and a three-way proportional regulating valve. The cooling and heating air-conditioning unit includes an air-conditioning unit shell, an inverter compressor, a four-way valve, a cooler, a capillary tube, a cooling fan and an evaporator , the evaporator is a water-fluorine heat exchanger; the refrigeration and heating air-conditioning unit is arranged in the air-conditioning room or next to the air-conditioning room; The fan is arranged in the cooling room, and the air outlet of the cooling fan is set outward on the housing of the air conditioner unit; assembly room;

The three-way proportional regulating valve includes a first inlet port, a second inlet port and an outlet port; the cold radiation plate is arranged on the top of the air-conditioning room, and the three-way proportional regulating valve is assembled above the evaporator, and the evaporator is connected to the three-way The first inlet port of the proportional regulating valve is connected, the outlet port of the three-way proportional regulating valve is connected with the cold radiant plate through the valve A-a, the cold radiant plate is connected with the circulating water pump through the valve A-b, and the circulating water pump is also connected with the second port of the three-way proportional regulating valve. Inlet connection;

The evaporator is connected to the buried pipe through the valve B-a, and the buried pipe is connected to the water inlet of the circulating water pump through the valve B-b; The water end is connected; at the same time, the evaporator is connected to the fan coil unit through the valve D-a, and the fan coil unit is connected to the water inlet end of the circulating water pump through the valve D-b; the valve B-a, valve B-b, valve C-a, valve C-b, valve D-a and Valves D-b all use Johnson VPF020L05-C DN20 electric two-way valves, which can realize automatic control;

The refrigeration and heating air-conditioning unit is 5 horses + 6 horses refrigeration and heating air-conditioning unit, 5 horses + 5 horses refrigeration and heating air-conditioning unit or 12 horses refrigeration and heating air-conditioning unit according to the size of its power; The operation process loop of the device includes the buried pipe air conditioning hot water system, the fresh air treatment dehumidifier air conditioning refrigeration medium water system, the fan coil unit air conditioning refrigeration medium water system, the fan coil unit air conditioning heating water system, and the cold radiant panel air conditioning refrigeration Refrigerant water system and cold radiant panel air conditioning refrigeration temperature medium water system;

The buried pipe air-conditioning hot water system includes circulating water pump, evaporator, valve B-a, buried pipe, valve B-b and circulating water pump connected in sequence. Valve B-a and valve B-b are opened; first, the circulating water pump presses the normal temperature water to the evaporator, The cooling and heating air-conditioning unit turns the normal temperature water in the evaporator into hot water, and then the hot water enters the buried pipe through the valve B-a to dissipate heat and heat the room. After the water is cooled in the buried pipe, it returns to the circulating water pump through the valve B-b; The circulating water pump presses the water to the evaporator, so that the cycle continues to ensure that the indoor temperature meets the heating requirements;

Fresh air treatment dehumidifier air-conditioning refrigeration medium water system includes circulating water pump, evaporator, valve C-a, fresh air treatment dehumidifier, valve C-b and circulating water pump connected in sequence, valve C-a and valve C-b are opened; first, the circulating water pump presses the normal temperature water to evaporate The refrigeration and heating air-conditioning unit turns the normal temperature water in the evaporator into refrigerant water, and then the refrigerant water enters the fresh air treatment dehumidifier through the valve B-a, and exchanges heat with the fresh air to make the fresh air colder and the water hotter. , the water droplets in the fresh air are precipitated to achieve the purpose of dehumidification; the hot water after heat exchange is returned to the circulating water pump through the valve C-b; The hot water inside becomes refrigerant water, and this cycle is endless to ensure that the fresh air treatment dehumidifier can continuously cool and dehumidify the fresh air;

The air-conditioning refrigeration medium water system of the fan coil unit includes a circulating water pump, an evaporator, a valve D-a, a fan coil unit, a valve D-b, and a circulating water pump connected in sequence. The valve D-a and the valve D-b are opened; The cooling and heating air-conditioning unit turns the normal temperature water in the evaporator into refrigerant water through the evaporator, and then the refrigerant water enters the fan coil unit through the valve D-a, and exchanges heat with the indoor air to cool the room and heat the water; heat exchange The final warm water returns to the circulating water pump through the valve D-b; the circulating water pump presses the warm water to the evaporator, and the cooling and heating air-conditioning unit turns the warm water in the evaporator into refrigerant water, so that the cycle is endless, ensuring that the fan coil unit Continuous heat exchange of indoor air to achieve the purpose of indoor air cooling;

The air-conditioned hot water system of the fan coil unit includes a circulating water pump, an evaporator, a valve D-a, a fan coil unit, a valve D-b, and a circulating water pump connected in sequence. The valve D-a and the valve D-b are opened; first, the circulating water pump presses the normal temperature water to evaporate The cooling and heating air-conditioning unit turns the normal temperature water in the evaporator into hot water, and then the hot water enters the fan coil unit through the valve D-a, and exchanges heat with the indoor air, so that the indoor temperature rises and the water temperature drops to cool; after heat exchange The refrigerant water will return to the circulating water pump through the valve D-b; the circulating water pump will press the water to the evaporator, and the cooling and heating air-conditioning unit will turn the refrigerant water into hot water. Continuous heat exchange to achieve the purpose of indoor air heating;

Cold radiant plate air conditioning refrigeration refrigerant water system: when the first inlet port of the three-way proportional regulating valve is opened and the second inlet port is closed, the circulating water pump, evaporator, three-way proportional regulating valve, valve A-a, cold radiant plate, valve A-b , circulating water pumps are connected in sequence to form a cold radiant panel air conditioner cooling refrigerant water system. At this time, valve A-a and valve A-b are opened, and valve B-a and valve B-b are closed; first, the circulating water pump presses the normal temperature water to the evaporator, and the cooling and heating air conditioning The normal temperature water in the evaporator is turned into refrigerant water, and then the refrigerant water enters from the first inlet port of the three-way proportional regulating valve, and then comes out from its outlet port, and enters the cold radiant plate through the valve A-a to dissipate cooling, and cools the room. After the cold radiant plate dissipates the cooling and heats up to warm water, it returns to the circulating water pump through the valve A-b; the circulating water pump presses the warm water to the evaporator, and this cycle continues to ensure that the indoor temperature meets the cooling requirements;

Cold radiant plate air conditioning refrigeration warm medium water system; when the second inlet port of the three-way proportional regulating valve is opened and the first inlet port is closed, the circulating water pump, three-way proportional regulating valve, valve A-a, cold radiant plate, valve A-b, circulation The water pumps are connected in sequence to form a cold radiant plate air conditioner cooling warm medium water system. At this time, valve A-a and valve A-b are opened, valve B-a and valve B-b are closed; the circulating water pump pumps the low-temperature water that has been circulated once and has been moderately heated by the refrigerant water. It enters directly from the second inlet port of the three-way proportional regulating valve, and then comes out from its outlet port, enters the cold radiant plate through the valve A-a to dissipate cooling, and cools to the room. The valve A-b returns to the circulating water pump; when the indoor temperature is high and there is a cooling demand, the gap uses the cold radiant panel air-conditioning refrigerant water system B to cool the room. In this way, the energy is fully utilized and the phenomenon of low indoor temperature is also properly controlled; Most of the load is borne by radiation heat exchange, and the indoor temperature distribution is uniform, so that the indoor comfort is significantly improved;

The circulating water pump presses the normal temperature water into the evaporator, and the temperature of the normal temperature water is 10-14°; the temperature of the hot water in the buried pipe air-conditioning hot water system and the fan coil unit air-conditioning hot water system is 33-37° The cooling and heating air-conditioning unit turns the normal temperature water in the evaporator into refrigerant water through the evaporator, and the temperature of the refrigerant water is 5-9°; When the temperature rises to warm water, the temperature of the warm water is 10-14°; in the cold radiant panel air-conditioning refrigeration, two cooling sources are provided: 5-9° refrigerant water and 10-14° warm water;

In summer, the refrigerant water produced by the cooling and heating air-conditioning unit directly supplies cooling to the radiant cold plate; The unit is transferred to the cold radiant panel air-conditioning refrigeration medium water system B, and the circulating water pump directly transports the water that has been radiated and refrigerated by the cold radiant panel and has a slightly increased temperature to the cold radiant panel again to perform radiant cooling on the air-conditioning room, making full use of the energy;

The working principle of the cold plate radiation of the present invention is: the cold plate radiation is only placed on the upper end, and through the principle that the density of the cold air is higher than that of the hot air, the cold air naturally flows downward, and the hot air flows upward through natural convection, and the entire room is used to achieve a suitable The goal is to achieve the goal of "constant temperature, constant humidity, constant oxygen and constant static"; constant temperature: the room temperature can be precisely controlled; constant humidity: can ensure that the humidity requirements required by the room are well controlled; constant oxygen: through the fresh air treatment dehumidifier + fresh air supplement, It can be used to control the oxygen level in the room; constant static: because the cold plate is radiated, the air is naturally convected, there is no drive of the blower, and there is no noise to achieve the purpose of constant static; focus on controlling the water temperature radiated to the cold plate, according to the actual indoor The temperature and humidity are adjusted through the centralized control to adjust the three-way proportional control valve, which is used to radiate the temperature of the water to the cold plate, so as to ensure that no condensation will occur due to the low radiation temperature of the cold plate.

The refrigerating and heating air-conditioning unit is 5 hp + 6 hp refrigerating and heating air-conditioning units according to its power. At this time, the structure of the internal parts of the air-conditioning unit shell is as follows: the cooling room is arranged on the left side of the air-conditioning unit shell, 5 hp+6 refrigerating and heating air conditioners are arranged above and below the cooling room, the air outlet of the cooling fan is forward, and the cooling device is arranged on the left side and the rear side of the cooling room; the components are assembled The chamber is set on the right side of the air conditioner unit shell, the frequency conversion compressor is set at the lower right part of the component assembly room, the evaporator is set at the left lower part of the component assembly room, the circulating water pump is set above the evaporator, and the three-way ratio The regulating valve is arranged above the circulating water pump, and the four-way valve is arranged between the three-way proportional regulating valve and the circulating water pump.

The refrigerating and heating air-conditioning unit is 5 hp + 5 hp refrigerating and heating air-conditioning unit according to its power. At this time, the structure of the internal parts of the air-conditioning unit shell is: +5 refrigerating and heating air conditioners are arranged on the left and right of the cooling room, the air outlet of the cooling fan is forward, and the cooler is arranged on the right side and the rear side of the cooling room; the component assembly room It is arranged at the lower part of the air conditioner unit housing, the frequency conversion compressor is arranged at the left rear part of the component assembly room, the evaporator is arranged at the lower right part of the component assembly room, and the circulating water pump is arranged at the upper right part of the component assembly room and above the evaporator, The three-way proportional regulating valve is set above the circulating water pump, and the four-way valve is set at the rightmost end of the component assembly room;

A fixed-frequency compressor is also included, and the fixed-frequency compressor is arranged at the left front part of the component assembly room.

The refrigerating and heating air-conditioning unit is 12 hp refrigerating and heating air-conditioning units according to their power. The refrigerating and heating air conditioner is set in the middle of the upper part of the cooling room, the air outlet of the cooling fan is upwards, and the cooling device is set on the right side and the rear side of the cooling room; the component assembly room is set in the air conditioner On the left and lower parts of the unit housing, the variable frequency compressor is set at the left rear of the component assembly room, the evaporator is set at the right end of the component assembly room, the circulating water pump is set in front of the variable frequency compressor, and the three-way proportional adjustment The valve is arranged on the upper right side of the circulating water pump, and the four-way valve is arranged above the circulating water pump.

The frequency conversion compressor, four-way valve, cooler, capillary tube and evaporator of the refrigeration and heating air-conditioning unit are connected to each other, and the four-way valve can be connected forwardly or reversely, so that the frequency conversion compressor, The four-way valve, cooler, capillary and evaporator can be switched forward and reverse; the interconnection and forward and reverse switching of the frequency conversion compressor, four-way valve, cooler, capillary and evaporator are conventional technologies and will not be repeated. .

The refrigeration principle of the refrigeration heating air-conditioning unit is: when the four-way valve is connected in the forward direction, the refrigerant of the inverter compressor is compressed and transformed into high-temperature and high-pressure gas through the inverter compressor, and is discharged through the four-way valve in the positive direction, enters the condenser, and is condensed The condenser absorbs cold and releases heat, which makes the air around the condenser hot, and the hot air is discharged to the outside by the cooling fan; the refrigerant becomes a medium-temperature, high-pressure liquid after passing through the condenser, and after being decompressed and expanded by the capillary tube, it becomes It becomes a low-temperature, low-pressure liquid, which absorbs heat and cools through the evaporator, so that the normal-temperature water in the evaporator becomes refrigerant water; the refrigerant of the inverter compressor becomes a low-temperature and low-pressure gas after being acted on by the evaporator, and returns to the refrigerant through the four-way valve. Inverter compressor, and then continue to circulate, and continuously complete the cooling of the evaporator by the refrigeration and heating air-conditioning unit; Compressed by the machine, it turns into a high-temperature, high-pressure gas, which is discharged in the opposite direction through the four-way valve, and enters the evaporator to absorb cold and release heat, so that the normal temperature water in the evaporator becomes hot water; the refrigerant becomes a medium-temperature, high-pressure liquid after passing through the evaporator , after capillary step-down, throttling and expansion, it becomes a low-temperature, low-pressure liquid, which absorbs heat and cools through the condenser, so that the air around the condenser becomes colder, and the cold air is discharged to the outside by the cooling fan; the refrigerant is condensed After the action of the evaporator, it becomes a low-temperature and low-pressure gas, which returns to the inverter compressor through the four-way valve, and then continues to circulate, continuously completing the heating of the evaporator by the cooling and heating air-conditioning unit.

The circulating water pump presses the normal temperature water into the evaporator, and the temperature of the normal temperature water is 12°; the temperature of the hot water in the buried pipe air-conditioning hot water system and the fan coil unit air-conditioning hot water system is 35°; The air conditioning unit turns the normal temperature water in the evaporator into refrigerant water through the evaporator, and the temperature of the refrigerant water is 7°; in the cold radiant panel air conditioner refrigerant water system B, when the water is cooled by the cold radiant panel and heated to warm water, the warm water The temperature of the air conditioner is 12°, and two kinds of cold water of 7° and warm water of 12° are provided in the cooling of the cold radiant panel air conditioner.

The fan coil unit includes two fan coil units, namely fan coil unit A and fan coil unit B, and also includes valve E-a, valve E-b, valve F-a and valve F-b; valve D-a, valve E-a, fan coil unit A, Valves E-b and D-b are connected in sequence, while valve D-a, valve F-a, fan coil B, valve F-b and D-b are connected in sequence; valve E-a and valve E-b can be opened, valve F-a and valve F-b can be closed, and fan coil unit A can be used to close the valve E-a and valve E-b, open valve F-a and valve F-b, use fan coil B, also open valve E-a, valve E-b, valve F-a and valve F-b at the same time, use fan coil A and fan coil B at the same time.

It also includes an energy recovery system and an indoor exhaust duct. The energy recovery system includes an energy recovery core, a fresh air fan and an exhaust fan. Driven by the fan, it enters the energy recovery system from the indoor exhaust pipe, discharges energy through the energy recovery core, and finally, it is discharged from the sewage outlet; driven by the fresh air fan, the fresh air enters the energy recovery system from the outside, and is absorbed by the energy recovery core The energy is dehumidified by the fresh air treatment dehumidifier, cooled to become dry fresh air, and finally discharged to the room from the fresh air outlet.

A temperature sensor A is arranged on the cold radiant plate, and the temperature sensor A is connected to the cooling and heating air-conditioning unit, and the cooling and heating air-conditioning unit adjusts the temperature of the cold radiating plate according to the temperature reflected by the temperature sensor A;

The three-way proportional control valve is used to adjust the water temperature of the cold plate radiation, and the opening of the three-way proportional control valve is controlled by the indoor temperature and humidity + PID displayed by the temperature sensor A to ensure that the water temperature supplied to the cold plate radiation does not As for the temperature radiated by the cold plate is lower than the dew point temperature of the indoor air, the outlet water temperature is marked with 12°C; for the fresh air treatment dehumidifier, the outlet water temperature is marked with 7°C, the lower the water temperature for the fresh air treatment dehumidifier, the more convenient the fresh air cooling and dehumidification.

A temperature sensor B is installed in the indoor exhaust pipe, and the temperature sensor B is connected to the fresh air treatment dehumidifier. According to the temperature reflected by the temperature sensor B, the cooling and heating air-conditioning unit adjusts the temperature of the fresh air treatment dehumidifier to adjust and Control the temperature of the dirty air in the indoor exhaust pipe.

Compared with prior art, the beneficial effect of the present invention is:

1) Refrigeration and heating are used to cool and heat the air-conditioning unit, and the frequency conversion compressor, four-way valve, cooler, capillary, evaporator, circulating water pump, water-fluorine heat exchanger and three-way proportional regulating valve are arranged in the housing of the air conditioning unit , compact structure, simple and easy to operate: no need for large-scale cold source, it can provide cold radiant plate for cooling and improve cooling comfort. 1 horsepower cooling and heating air-conditioning unit or 12 horsepower cooling and heating air-conditioning unit, widely used in individual families and small and medium-sized offices;

2) Realized the multi-purpose purpose of the refrigeration and heating air-conditioning unit, and improved the application performance of the refrigeration and heating air-conditioning unit: cold radiant plate cold radiation refrigeration, refrigeration and heating air-conditioning unit heating through buried pipes, cooling and heating air-conditioning unit through the fan Coil unit cooling or heating, fresh air treatment dehumidifier and energy recovery system introduce fresh air and dehumidification, silent operation, environmental protection and hygiene: no mechanical rotating equipment, no noise, reduced air convection, greatly reduced moving dust, environmental protection Hygienic, achieving the goal of "constant temperature, humidity, oxygen and static";

3) Cooling with cold radiant panels to improve comfort: the radiant cooling of indoor cold radiant panels is realized by using the cooperation of refrigeration and heating air-conditioning units and cold radiant panels. Increased from 20% elimination by radiation to 50% elimination by radiation, decreased from 40% elimination by convection to 30% elimination by convection, 40% elimination by perspiration and decreased to 20% by perspiration, the indoor temperature distribution is even, so that Significantly improved indoor comfort;

4) Refrigeration and dehumidification in summer: introduce outdoor fresh air through the fresh air treatment dehumidifier and energy recovery system to achieve precise control of the indoor temperature and humidity of the air conditioner, and at the same time improve the indoor air quality, which can effectively prevent air conditioning diseases and improve the efficiency of the refrigeration unit. The purpose of energy saving is achieved; in the excessive season, the cooling and heating air-conditioning unit can be turned off, and the circulating water pump can be used to directly carry out the warm water circulation through the three-way proportional regulating valve, and the natural cooling can be used for direct cooling, which reduces the operating cost of the air-conditioning system and does not pollute the environment. .

Description of drawings

Figure 1 is: a schematic diagram of the refrigeration operation process loop in Embodiment 1;

Figure 2 is a schematic diagram of the heating operation process loop in Embodiment 2;

Fig. 3 is a front view of the combination of the refrigeration and heating air-conditioning unit, the circulating water pump and the three-way proportional regulating valve in Embodiment 1;

Fig. 4 is: the perspective view of the positive direction of the combination of the cooling and heating air-conditioning unit, the circulating water pump and the three-way proportional regulating valve of Embodiment 1 (without the right side and the front side of the air-conditioning unit housing);

Figure 5 is a perspective view of the rear direction of the combination of the cooling and heating air-conditioning unit, the circulating water pump and the three-way proportional regulating valve in Embodiment 1 (without the right side and front side of the air-conditioning unit housing);

Fig. 6 is a positive perspective view of the combination of the cooling and heating air-conditioning unit, the circulating water pump and the three-way proportional regulating valve in Embodiment 2 (without the right side, front side and rear side of the air-conditioning unit housing component assembly chamber);

Fig. 7 is a perspective view of the rear direction of the combination of the cooling and heating air-conditioning unit, the circulating water pump and the three-way proportional regulating valve of Embodiment 2 (without the right side, front side and rear side of the air-conditioning unit housing component assembly chamber);

Fig. 8 is a positive perspective view of the combination of the cooling and heating air-conditioning unit, the circulating water pump and the three-way proportional regulating valve of Embodiment 3 (without the left side and the front side of the air-conditioning unit housing).

Description of reference signs: cold radiant panel 1, valve A-a 2a, valve A-b 2b, buried pipe 3, valve B-a 4a, valve B-b 4b, fresh air treatment dehumidifier 5, valve C-a 6a, valve C-b 6b, fan coil unit 7 , fan coil unit 701, valve D-a 8a, valve D-b 8b, air-conditioning room 9, air-conditioning room top 901, air-conditioning room bottom 902, indoor exhaust pipe 10, fresh air inlet 11, fresh air outlet 12, refrigeration and heating air-conditioning unit 13, air conditioner Unit housing 1301, inverter compressor 1302, four-way valve 1303, cooler 1304, capillary tube 1305, cooling fan 1306, evaporator 1307, cooling room 1308, component assembly room 1309, circulating water pump 14, three-way proportional adjustment Valve 15, first inlet port 1501, second inlet port 1502, outlet port 1503, temperature sensor A 16, temperature sensor B 17, fixed frequency compressor 18, valve E-a 19a, valve E-b 19b, valve F-a 20a, valve F-b 20b , dirty air outlet 21, air outlet 22.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

Example 1:

The refrigerating and heating air-conditioning unit 13 is a 5-horsepower + 6-horsepower refrigerating and heating air-conditioning unit 13, as shown in Figures 1 to 5, the cold-plate radiant multifunctional air-conditioning device includes a cold radiant plate 1, valves A-a 2a, valves A-b 2b, buried pipe 3, valve B-a 4a, valve B-b 4b, fresh air treatment dehumidifier 5, valve C-a 6a, valve C-b 6b, fan coil unit 7, valve D-a 8a, valve D-b 8b, air conditioning room 9 and indoor exhaust The air duct 10, the air-conditioning room 9 includes the top 901 of the air-conditioning room and the bottom 902 of the air-conditioning room, and the fan coil unit 7 includes several fan coils 701; the buried pipe 3 is laid on the bottom 902 of the air-conditioning room and under the floor; The dehumidifier 5 is arranged on one side wall of the air-conditioning room 9, and the fan coil unit 7 is placed beside the inner side of the air-conditioning room 9;

One end of the fresh air treatment dehumidifier 5 is connected to the fresh air inlet 11 and leads to the outdoor, and the other end is connected to the fresh air outlet 12 and leads to the room; the fan coil unit 7 is a commonly used cooling and heating terminal device, according to the structure Forms are divided into: vertical, horizontal, wall-mounted, cassette, etc., which can be placed on the ground, hung on the wall or embedded in the ceiling;

It also includes a cooling and heating air-conditioning unit 13, a circulating water pump 14 and a three-way proportional regulating valve 15. The cooling and heating air-conditioning unit 13 includes an air-conditioning unit housing 1301, an inverter compressor 1302, a four-way valve 1303, a refrigerator 1304, Capillary tube 1305, cooling fan 1306 and evaporator 1307, the evaporator 1307 is a water-fluorine heat exchanger; the cooling and heating air-conditioning unit 13 is arranged in the air-conditioning room 9 or next to the air-conditioning room 9; the air-conditioning unit housing 1301 It includes a cooling room 1308 and a component assembly room 1309, the cooling device 1304 and the cooling fan 1306 are set in the cooling room 1308, and the air outlet 22 of the cooling fan 1306 is set outward on the air conditioner housing 1301; The frequency conversion compressor 1302, four-way valve 1303, capillary tube 1305, evaporator 1307, circulating water pump 14 and three-way proportional regulating valve 15 are arranged in the component assembly room 1309;

The three-way proportional regulating valve 15 includes a first inlet port 1501, a second inlet port 1502 and an outlet port 1503; the cold radiation plate 1 is arranged on the top 901 of the air-conditioning room, and the three-way proportional regulating valve 15 is assembled above the evaporator 1307 , the evaporator 1307 is connected to the first inlet port 1501 of the three-way proportional regulating valve 15, the outlet port 1503 of the three-way proportional regulating valve 15 is connected to the cold radiation plate 1 through the valve A-a 2a, and the cold radiation plate 1 is connected through the valve A-b 2b It is connected with the circulating water pump 14, and the circulating water pump 14 is also connected with the second inlet port 1502 of the three-way proportional regulating valve 15;

The evaporator 1307 is connected to the buried pipe 3 through the valve B-a 4a, and the buried pipe 3 is connected to the water inlet of the circulating water pump 14 through the valve B-b 4b; the evaporator 1307 is connected to the fresh air treatment dehumidifier 5 through the valve C-a 6a, and the fresh air treatment dehumidifier The machine 5 is connected to the water inlet of the circulating water pump 14 through the valve C-b 6b; at the same time, the evaporator 1307 is connected to the fan coil unit 7 through the valve D-a 8a, and the fan coil unit 7 is connected to the water inlet of the circulating water pump 14 through the valve D-b 8b ;The valve B-a 4a, valve B-b 4b, valve C-a 6a, valve C-b 6b, valve D-a 8a and valve D-b 8b all adopt Johnson VPF020L05-CDN20 electric two-way valve, which can realize automatic control;

The operating process loop of the cold plate radiant multifunctional air conditioner includes buried pipes 3 air conditioning hot water systems, fresh air treatment dehumidifiers 5 air conditioning refrigeration medium water systems, fan coil units 7 air conditioning refrigeration medium water systems, fan coil unit 7 Air conditioning hot water system, cold radiant panel 1 air conditioning refrigeration refrigerant water system and cold radiant panel 1 air conditioning refrigeration warm medium water system;

The buried pipe 3 air-conditioning hot water system includes the circulating water pump 14, evaporator 1307, valve B-a 4a, buried pipe 3, valve B-b 4b and circulating water pump 14 connected in sequence, and the valve B-a 4a and valve B-b 4b are opened; first, the circulation The water pump 14 presses the normal temperature water to the evaporator 1307, and the cooling and heating air-conditioning unit 13 turns the normal temperature water in the evaporator 1307 into hot water. After the underground pipe 3 is cooled, it returns to the circulating water pump 14 through the valve B-b 4b; the circulating water pump 14 presses the water to the evaporator 1307, so that the cycle continues to ensure that the indoor temperature meets the heating requirements;

Fresh air treatment dehumidifier 5 air-conditioning refrigeration medium water system includes circulating water pump 14, evaporator 1307, valve C-a 6a, fresh air treatment dehumidifier 5, valve C-b 6b and circulating water pump 14 connected in sequence, and valve C-a 6a and valve C-b 6b are opened; first , the circulating water pump 14 presses the normal temperature water to the evaporator 1307, and the cooling and heating air-conditioning unit 13 turns the normal temperature water in the evaporator 1307 into refrigerant water, and then the refrigerant water enters the fresh air treatment dehumidifier 5 through the valve B-a 4a, and heats up with the fresh air The exchange makes the fresh air colder and the water hotter. When the fresh air is colder, the water droplets in the fresh air are separated to achieve the purpose of dehumidification; the hot water after the heat exchange returns to the circulating water pump 14 through the valve C-b 6b; the circulating water pump 14 again Press the water to the evaporator 1307, and the cooling and heating air-conditioning unit 13 converts the hot water in the evaporator 1307 into refrigerant water through the evaporator 1307, so that the cycle is endless to ensure that the fresh air treatment dehumidifier 5 continuously cools and dehumidifies the fresh air ;

The air-conditioning refrigeration medium water system of the fan coil unit 7 includes the circulating water pump 14, the evaporator 1307, the valve D-a 8a, the fan coil unit 7, the valve D-b 8b and the circulating water pump 14, and the valve D-a 8a and the valve D-b 8b are opened; first , the circulating water pump 14 presses the normal temperature water to the evaporator 1307, the cooling and heating air conditioning unit 13 turns the normal temperature water in the evaporator 1307 into refrigerant water through the evaporator 1307, and then the refrigerant water enters the fan coil unit 7 through the valve D-a 8a, Carry out heat exchange with the indoor air to cool down the room and heat up the water; the warm water after the heat exchange returns to the circulating water pump 14 through the valve D-b 8b; Turn the warm water in the evaporator 1307 into refrigerant water, so that the cycle is endless, ensuring that the fan coil unit 7 continuously exchanges heat with the indoor air, and achieves the purpose of cooling the indoor air;

The air conditioning hot water system of the fan coil unit 7 includes the circulating water pump 14, the evaporator 1307, the valve D-a 8a, the fan coil unit 7, the valve D-b 8b and the circulating water pump 14, and the valve D-a 8a and the valve D-b 8b are opened; first , the circulating water pump 14 presses the normal-temperature water to the evaporator 1307, the cooling and heating air-conditioning unit 13 turns the normal-temperature water in the evaporator 1307 into hot water, and then the hot water enters the fan coil unit 7 through the valve D-a 8a, and is carried out with the indoor air Heat exchange makes the room warm up and the water temperature drops to cool; the refrigerant water after heat exchange returns to the circulating water pump 14 through the valve D-b 8b; The refrigerant water turns into hot water, and the cycle is endless, ensuring that the fan coil unit 7 continuously exchanges heat with the indoor air to achieve the purpose of heating the indoor air.

Cold radiant panel 1 air conditioning refrigeration refrigerant water system: when the first inlet port 1501 of the three-way proportional regulating valve 15 is opened and the second inlet port 1502 is closed, the circulating water pump 14, the evaporator 1307, the three-way proportional regulating valve 15, and the valve A-a 2a, cold radiant panel 1, valve A-b 2b, and circulating water pump 14 are connected in sequence to form a cold radiant panel 1 air-conditioning refrigeration refrigerant water system. At this time, valve A-a2a and valve A-b 2b are opened, and valve B-a 4a and valve B-b 4b are closed; Firstly, the circulating water pump 14 presses the normal temperature water to the evaporator 1307, and the cooling and heating air-conditioning unit 13 turns the normal temperature water in the evaporator 1307 into refrigerant water, and then the refrigerant water enters from the first inlet port 1501 of the three-way proportional regulating valve 15 , come out from its outlet port 1503 again, enter the cold radiant plate 1 through the valve A-a 2a to dissipate cooling, and cool to the room. The circulating water pump 14 presses the warm water to the evaporator 1307, so that the circulation is endless to ensure that the indoor temperature meets the refrigeration requirement;

Cold radiant plate 1 air-conditioning refrigeration temperature medium water system; when the second inlet port 1502 of the three-way proportional regulating valve 15 is opened and the first inlet port 1501 is closed, the circulating water pump 14, the three-way proportional regulating valve 15, the valve A-a 2a, the cooling Radiant panel 1, valve A-b2b, and circulating water pump 14 are connected in sequence to form a cold radiant panel 1 air-conditioning refrigeration temperature medium water system. At this time, valve A-a 2a and valve A-b 2b are opened, valve B-a 4a and valve B-b 4b are closed; circulating water pump 14 The low-temperature water that has been circulated once and moderately heated by the refrigerant water enters directly from the second inlet port 1502 of the three-way proportional regulating valve 15, and then comes out from the outlet port 1503, and enters the cold radiation plate 1 through the valve A-a 2a Dissipate the cooling and cool the room. After the water is cooled by the cold radiation plate 1 and heated to warm water, it returns to the circulating water pump 14 through the valve A-b 2b; when the indoor temperature is high and there is a cooling demand, the gap is conditioned by the cold radiation plate 1 The refrigerant water system B refrigerates indoors. In this way, the energy is fully utilized, and the phenomenon of too low indoor temperature is also properly controlled; most of the cooling load is borne by radiation heat exchange, and the indoor temperature is evenly distributed, thereby significantly improving indoor comfort;

The circulating water pump 14 presses the normal-temperature water into the evaporator 1307, and the temperature of the normal-temperature water is 10-14°; in the air-conditioned hot water system of the buried pipe 3 and the air-conditioned hot water system of the fan coil unit 7, the temperature of the hot water is 33-37°; the refrigeration and heating air-conditioning unit 13 turns the normal temperature water in the evaporator 1307 into refrigerant water through the evaporator 1307, and the temperature of the refrigerant water is 5-9°; When the water dissipates cooling on the cold radiant panel 1 and heats up to warm water, the temperature of the warm water is 10-14°; in the cold radiant panel 1, the air-conditioning refrigeration provides two kinds of cooling medium water at 5-9° and warm water at 10-14°. source;

In summer, the refrigerant water produced by the cooling and heating air-conditioning unit 13 directly supplies cooling to the radiant cold plate; The hot air-conditioning unit 13 is transferred to the air-conditioning refrigeration medium water system B of the cold radiant panel 1, and the circulating water pump 14 directly transports the water that has been radiated and refrigerated by the cold radiant panel 1 and whose temperature has been slightly increased to the cold radiant panel 1 again to the air-conditioning room. 9. Carry out radiant refrigeration and make full use of energy;

The working principle of the cold plate radiation of the present invention is: the cold plate radiation is only placed on the upper end, and through the principle that the density of the cold air is higher than that of the hot air, the cold air naturally flows downward, and the hot air flows upward through natural convection, and the entire room is used to achieve a suitable The goal is to achieve the goal of "constant temperature, constant humidity, constant oxygen and constant static"; constant temperature: the room temperature can be precisely controlled; constant humidity: can ensure that the humidity required by the room is well controlled; constant oxygen: through the fresh air treatment dehumidifier 5+ fresh air supplement , can be used to control the oxygen level in the room; constant static: because the cold plate is radiated, the air is naturally convected, there is no drive of the blower, and there is no noise to achieve the purpose of constant static; focus on controlling the water temperature radiated to the cold plate, according to the actual situation in the room The temperature and humidity are adjusted through the centralized control to adjust the three-way proportional control valve 15, which is used to radiate the water temperature of the cold plate to ensure that condensation will not occur due to the low radiation temperature of the cold plate.

The refrigerating and heating air-conditioning unit 13 is 5 hp + 6 hp refrigerating and heating air-conditioning unit 13 according to its power. At this time, the internal structure of the air-conditioning unit housing 1301 is as follows: the cooling chamber 1308 is arranged in the air-conditioning unit housing On the left side of the body 1301, 5 hp+6 refrigerating and heating air conditioners are arranged above and below the cooling room 1308, the air outlet 22 of the cooling fan 1306 is in the forward direction, and the cooling device 1304 is set in the cooling room 1308 Left side and rear side; the component assembly room 1309 is set on the right side of the air conditioner unit housing 1301, the inverter compressor 1302 is set at the lower right part of the component assembly room 1309, and the evaporator 1307 is set at the lower left part of the component assembly room 1309 The circulating water pump 14 is arranged above the evaporator 1307, the three-way proportional regulating valve 15 is arranged above the circulating water pump 14, and the four-way valve 1303 is arranged between the three-way proportional regulating valve 15 and the circulating water pump 14.

The variable frequency compressor 1302, four-way valve 1303, cooler 1304, capillary tube 1305 and evaporator 1307 of the refrigeration and heating air-conditioning unit 13 are connected to each other, and the four-way valve 1303 can be connected forwardly or reversely to make cooling and heating The frequency conversion compressor 1302, four-way valve 1303, cooler 1304, capillary tube 1305 and evaporator 1307 of the air conditioning unit 13 can be switched forward and reverse; The interconnection and forward and reverse switching of the evaporators 1307 are conventional techniques and will not be repeated here.

The refrigeration principle of the refrigeration and heating air-conditioning unit 13 is: when the four-way valve 1303 is connected in the forward direction, the refrigerant in the inverter compressor 1302 is compressed by the inverter compressor 1302 and transformed into a high-temperature, high-pressure gas, which is discharged in the forward direction of the four-way valve 1303 and enters the Condenser absorbs cold and releases heat in the condenser to heat the air around the condenser, and the hot air is discharged to the outside by the cooling fan 1306; the refrigerant becomes a medium-temperature and high-pressure liquid after passing through the condenser, and is decompressed through the capillary 1305 After throttling and expansion, it becomes a low-temperature, low-pressure liquid, which absorbs heat through the evaporator 1307 and cools it down, so that the normal temperature water in the evaporator 1307 becomes refrigerant water; The low-temperature and low-pressure gas returns to the frequency conversion compressor 1302 through the four-way valve 1303, and then continues to circulate, continuously completing the refrigeration of the evaporator 1307 by the refrigeration, heating and air-conditioning unit 13;

The heating principle of the refrigeration and heating air-conditioning unit 13 is: when the four-way valve 1303 is connected forward and reverse, the refrigerant of the compressor is compressed by the frequency conversion compressor 1302 and transformed into a high-temperature, high-pressure gas, which is discharged in the opposite direction through the four-way valve 1303 and enters the The evaporator 1307 absorbs cold and releases heat, turning the normal temperature water in the evaporator 1307 into hot water; the refrigerant passes through the evaporator 1307 and becomes a medium-temperature, high-pressure liquid, and after the capillary 1305 is decompressed and expanded, it becomes a low-temperature, high-pressure liquid. The low-pressure liquid absorbs heat and cools down through the condenser, making the air around the condenser cold, and the cold air is discharged to the outside by the cooling fan 1306; the refrigerant becomes a low-temperature and low-pressure gas after passing through the four-way The valve 1303 returns to the frequency conversion compressor 1302, and then continues to circulate, continuously completing the heating of the evaporator 1307 by the cooling and heating air-conditioning unit 13.

The circulating water pump 14 presses the normal temperature water into the evaporator 1307, and the temperature of the normal temperature water is 12°; in the air conditioning hot water system of the buried pipe 3 and the air conditioning hot water system of the fan coil unit 7, the temperature of the hot water is 35° The cooling and heating air-conditioning unit 13 turns the normal temperature water in the evaporator 1307 into refrigerant water through the evaporator 1307, and the temperature of the refrigerant water is 7°; When dissipating cooling and warming up to warm water, the temperature of the warm water is 12°. In the cold radiant panel 1 air-conditioning refrigeration, two kinds of cooling, 7° refrigerant water and 12° warm water, are provided.

The fan coil unit 7 includes two fan coil units 701, namely fan coil unit 701A and fan coil unit 701B, and also includes valve E-a 19a, valve E-b 19b, valve F-a 20a and valve F-b 20b; valve D-a 8a, valve E-a19a, fan coil unit 701A, valve E-b 19b and D-b are connected in sequence, while valve D-a 8a, valve F-a 20a, fan coil unit 701B, valve F-b 20b and D-b are connected in sequence; valve E-a 19a and valve E-b 19b can be opened and closed Valve F-a 20a and valve F-b 20b, using fan coil 701A, can close valve E-a 19a and valve E-b 19b, open valve F-a 20a and valve F-b 20b, use fan coil 701B, can also open valve E-a 19a, valve E-b 19b at the same time , Valve F-a20a and valve F-b 20b, use fan coil unit 701A and fan coil unit 701B at the same time.

It also includes an energy recovery system (not shown in the figure) and an indoor exhaust duct 10. The energy recovery system includes an energy recovery core, a fresh air fan and an exhaust fan. Wind channel; driven by the exhaust fan, the sewage air enters the energy recovery system from the indoor exhaust pipe 10, discharges energy in the energy recovery core, and finally discharges from the sewage air outlet 21; driven by the fresh air fan, the fresh air enters the energy from the outside The recovery system absorbs energy in the energy recovery core, and then dehumidifies and cools through the fresh air treatment dehumidifier 5 to become dry fresh air, and finally, it is discharged into the room from the fresh air outlet 12.

The cold radiant panel 1 is provided with a temperature sensor A 16, and the temperature sensor A 16 is connected to the cooling, heating and air-conditioning unit 13, and the cooling, heating and air-conditioning unit 13 adjusts the temperature of the cold radiating panel 1 according to the temperature reflected by the temperature sensor A 16. temperature;

The three-way proportional regulating valve 15 is used to adjust the water temperature of the cold plate radiation, and the opening of the three-way proportional regulating valve 15 is controlled by the indoor temperature and humidity + PID displayed by the temperature sensor A 16 to ensure the supply of cold plate radiation. Water temperature, so that the temperature radiated by the cold plate is not lower than the dew point temperature of the indoor air, and the outlet water temperature is marked with 12°C; for the fresh air treatment dehumidifier 5, the outlet water temperature is marked with 7°C, the lower the water temperature for the fresh air treatment dehumidifier 5, the more convenient it is Fresh air cooling and dehumidification.

The indoor exhaust pipe 10 is provided with a temperature sensor B 17, the temperature sensor B 17 is connected to the fresh air treatment dehumidifier 5, and according to the temperature reflected by the temperature sensor B 17, the cooling and heating air conditioning unit 13 passes through to adjust the fresh air treatment dehumidification The temperature of machine 5 is used to regulate and control the temperature of dirty air in the indoor exhaust pipe 10.

Example 2:

Described refrigerating and heating air-conditioning unit 13 is 5+5 refrigerating and heating air-conditioning units 13, as shown in Figure 1, Fig. 2, Fig. 6 and Fig. 7, described refrigerating and heating air-conditioning unit 13 is according to the size of its power 5 hp+5 refrigerating and heating air-conditioning unit 13, at this time, the structure of the internal parts of the air-conditioning unit housing 1301 is as follows: the cold chamber 1308 is arranged on the upper part of the air-conditioning unit housing 1301, and the 5-hp+5 refrigerating and heating air-conditioning unit The cold room 1308 is arranged on the left and the right side, the air outlet 22 of the cooling fan 1306 is in the forward direction, and the cold room 1304 is arranged on the right side and the rear side of the cold room 1308; the component assembly room 1309 is arranged on The lower part of the air conditioner housing 1301, the inverter compressor 1302 is set at the left rear part of the component assembly room 1309, the evaporator 1307 is set at the lower right part of the component assembly room 1309, and the circulating water pump 14 is set at the upper right part of the component assembly room 1309 1. Above the evaporator 1307, the three-way proportional regulating valve 15 is set above the circulating water pump 14, and the four-way valve 1303 is set at the rightmost end of the component assembly chamber 1309;

It also includes a fixed-frequency compressor 18 , and the fixed-frequency compressor 18 is arranged at the left front part of the component assembly room 1309 .

The rest are the same as embodiment 1.

Example 3:

The refrigerating and heating air-conditioning unit 13 is a 12-horsepower refrigerating and heating air-conditioning unit 13. Unit 13, at this time, the structure of the internal parts of the air conditioner unit housing 1301 is as follows: the cooling chamber 1308 is arranged on the upper and right parts of the air conditioner unit housing 1301, and the 12 horsepower cooling and heating air conditioners are arranged in the middle of the upper part of the cooling chamber 1308 Position, the air outlet 22 of the cooling fan 1306 is in the upward direction, the cooling device 1304 is set on the right side and the rear side of the cooling room 1308; the component assembly room 1309 is set on the left and lower parts of the air conditioner housing 1301, The variable frequency compressor 1302 is set at the left rear part of the component assembly room 1309, the evaporator 1307 is set at the right end of the component assembly room 1309, the circulating water pump 14 is set in front of the variable frequency compressor 1302, and the three-way proportional regulating valve 15 is arranged on the upper right side of the circulating water pump 14, and the four-way valve 1303 is arranged above the circulating water pump 14.

The rest are the same as embodiment 1.

The above-described embodiments are only three preferred implementations of the present invention, and ordinary changes and replacements performed by those skilled in the art within the scope of the technical solutions of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A cold plate radiant multifunctional air conditioner, comprising valve A-a, valve A-b, buried pipe, valve B-a, valve B-b, fresh air treatment dehumidifier, valve C-a, valve C-b, fan coil unit, valve D-a, valve D-b, air-conditioning room and indoor exhaust pipe, the air-conditioning room includes the top of the air-conditioning room and the bottom of the air-conditioning room, and the fan coil unit includes several fan coil units; the buried pipe is laid at the bottom of the air-conditioning room and under the floor; the fresh air treatment dehumidifies The unit is installed on the side wall of the air-conditioning room, and the fan coil unit is placed on the side of the air-conditioning room or in the kitchen, toilet and corridor; One end of the fresh air treatment dehumidifier is connected to the fresh air inlet and leads to the outdoor, and the other end is connected to the fresh air outlet and leads to the room; it is characterized in that: It also includes cold radiant panels, refrigeration and heating air-conditioning units, circulating water pumps and three-way proportional regulating valves. A fan and an evaporator, the evaporator is a water-fluorine heat exchanger; the refrigeration and heating air-conditioning unit is arranged in the air-conditioning room or next to the air-conditioning room; the air-conditioning unit housing includes a cooling room and a component assembly room, and the cooling The air conditioner and the cooling fan are set in the cooling room, and the air outlet of the cooling fan is set on the air conditioner unit housing; the variable frequency compressor, four-way valve, capillary tube, evaporator, circulating water pump and three-way proportional adjustment The valve is arranged in the component assembly room; The three-way proportional regulating valve includes a first inlet port, a second inlet port and an outlet port; the cold radiation plate is arranged on the top of the air-conditioning room, and the three-way proportional regulating valve is assembled above the evaporator, and the evaporator is connected to the three-way The first inlet port of the proportional regulating valve is connected, the outlet port of the three-way proportional regulating valve is connected with the cold radiant plate through the valve A-a, the cold radiant plate is connected with the circulating water pump through the valve A-b, and the circulating water pump is also connected with the second port of the three-way proportional regulating valve. Inlet connection; The evaporator is connected to the buried pipe through the valve B-a, and the buried pipe is connected to the water inlet of the circulating water pump through the valve B-b; The water end is connected; at the same time, the evaporator is connected to the fan coil unit through the valve D-a, and the fan coil unit is connected to the water inlet of the circulating water pump through the valve D-b; The refrigeration and heating air-conditioning unit is 5 horses + 6 horses refrigeration and heating air-conditioning unit, 5 horses + 5 horses refrigeration and heating air-conditioning unit or 12 horses refrigeration and heating air-conditioning unit according to the size of its power; Functional air-conditioning device operation process loop includes buried pipe air-conditioning hot water system, fresh air treatment dehumidifier air-conditioning refrigeration medium water system, fan coil unit air-conditioning refrigeration medium water system, fan coil unit air-conditioning heating water system, cold radiant panel Air conditioning refrigeration refrigerant water system and cold radiant panel air conditioning refrigeration warm medium water system; The buried pipe air-conditioning hot water system includes circulating water pump, evaporator, valve B-a, buried pipe, valve B-b and circulating water pump connected in sequence. Valve B-a and valve B-b are opened; first, the circulating water pump presses the normal temperature water to the evaporator, The cooling and heating air-conditioning unit turns the normal temperature water in the evaporator into hot water, and then the hot water enters the buried pipe through the valve B-a to dissipate heat and heat the room. After the water is cooled in the buried pipe, it returns to the circulating water pump through the valve B-b; The circulating water pump presses the water to the evaporator, so that the cycle continues to ensure that the indoor temperature meets the heating requirements; Fresh air treatment dehumidifier air-conditioning refrigeration medium water system includes circulating water pump, evaporator, valve C-a, fresh air treatment dehumidifier, valve C-b and circulating water pump connected in sequence, valve C-a and valve C-b are opened; first, the circulating water pump presses the normal temperature water to evaporate The refrigeration and heating air-conditioning unit turns the normal temperature water in the evaporator into refrigerant water, and then the refrigerant water enters the fresh air treatment dehumidifier through the valve B-a, and exchanges heat with the fresh air to make the fresh air colder and the water hotter. , the water droplets in the fresh air are precipitated to achieve the purpose of dehumidification; the hot water after heat exchange is returned to the circulating water pump through the valve C-b; The hot water inside becomes the refrigerant water, and this cycle is endless to ensure that the fresh air treatment dehumidifier can continuously cool and dehumidify the fresh air; The air-conditioning refrigeration medium water system of the fan coil unit includes a circulating water pump, an evaporator, a valve D-a, a fan coil unit, a valve D-b, and a circulating water pump connected in sequence. The valve D-a and the valve D-b are opened; The cooling and heating air-conditioning unit turns the normal temperature water in the evaporator into refrigerant water through the evaporator, and then the refrigerant water enters the fan coil unit through the valve D-a, and exchanges heat with the indoor air to cool the room and heat the water; heat exchange The final warm water returns to the circulating water pump through the valve D-b; the circulating water pump presses the warm water to the evaporator, and the cooling and heating air-conditioning unit turns the warm water in the evaporator into refrigerant water, so that the cycle is endless, ensuring that the fan coil unit Continuous heat exchange of indoor air to achieve the purpose of indoor air cooling; The air-conditioned hot water system of the fan coil unit includes a circulating water pump, an evaporator, a valve D-a, a fan coil unit, a valve D-b, and a circulating water pump connected in sequence. The valve D-a and the valve D-b are opened; first, the circulating water pump presses the normal temperature water to evaporate The cooling and heating air-conditioning unit turns the normal temperature water in the evaporator into hot water, and then the hot water enters the fan coil unit through the valve D-a, and exchanges heat with the indoor air, so that the indoor temperature rises and the water temperature drops to cool; after heat exchange The refrigerant water will return to the circulating water pump through the valve D-b; the circulating water pump will press the water to the evaporator, and the cooling and heating air-conditioning unit will turn the refrigerant water into hot water. Continuous heat exchange to achieve the purpose of indoor air heating; Cold radiant plate air conditioning refrigeration refrigerant water system: when the first inlet port of the three-way proportional regulating valve is opened and the second inlet port is closed, the circulating water pump, evaporator, three-way proportional regulating valve, valve A-a, cold radiant plate, valve A-b , circulating water pumps are connected in sequence to form a cold radiant panel air conditioner cooling refrigerant water system. At this time, valve A-a and valve A-b are opened, and valve B-a and valve B-b are closed; first, the circulating water pump presses the normal temperature water to the evaporator, and the cooling and heating air conditioning The normal temperature water in the evaporator is turned into refrigerant water, and then the refrigerant water enters from the first inlet port of the three-way proportional regulating valve, and then comes out from its outlet port, and enters the cold radiant plate through the valve A-a to dissipate cooling, and cools the room. After the cold radiant plate dissipates the cooling and heats up to warm water, it returns to the circulating water pump through the valve A-b; the circulating water pump presses the warm water to the evaporator, and this cycle continues to ensure that the indoor temperature meets the cooling requirements; Cold radiant plate air conditioning refrigeration warm medium water system; when the second inlet port of the three-way proportional regulating valve is opened and the first inlet port is closed, the circulating water pump, three-way proportional regulating valve, valve A-a, cold radiant plate, valve A-b, circulation The water pumps are connected in sequence to form a cold radiant plate air conditioner cooling warm medium water system. At this time, valve A-a and valve A-b are opened, valve B-a and valve B-b are closed; the circulating water pump pumps the low-temperature water that has been circulated once and has been moderately heated by the refrigerant water. It enters directly from the second inlet port of the three-way proportional regulating valve, and then comes out from its outlet port, enters the cold radiant plate through the valve A-a to dissipate cooling, and cools to the room. The valve A-b returns to the circulating water pump; when the indoor temperature is high and there is a cooling demand, the gap uses the cold radiant panel air-conditioning refrigerant water system B to cool the room. In this way, the energy is fully utilized, and the phenomenon of low indoor temperature is also properly controlled; The circulating water pump presses the normal temperature water into the evaporator, and the temperature of the normal temperature water is 10-14°; the temperature of the hot water in the buried pipe air-conditioning hot water system and the fan coil unit air-conditioning hot water system is 33-37° The cooling and heating air-conditioning unit turns the normal temperature water in the evaporator into refrigerant water through the evaporator, and the temperature of the refrigerant water is 5-9°; When the temperature rises to warm water, the temperature of the warm water is 10-14°; in the cold radiant panel air-conditioning refrigeration, two cooling sources are provided: 5-9° refrigerant water and 10-14° warm water; In summer, the refrigerant water produced by the cooling and heating air-conditioning unit directly supplies cooling to the radiant cold plate; The unit is transferred to the cold radiant panel air-conditioning refrigeration medium water system B, and the circulating water pump directly transports the water that has been radiated and cooled by the cold radiant panel and has a slightly increased temperature to the cold radiant panel to perform radiative cooling on the air-conditioning room; The working principle of the cold plate radiation of the present invention is: the cold plate radiation is only placed on the upper end, and through the principle that the density of the cold air is higher than that of the hot air, the cold air naturally flows downward, and the hot air flows upward through natural convection, and the entire room is used to achieve a suitable The goal is to achieve the goal of "constant temperature, constant humidity, constant oxygen and constant static"; constant temperature: the room temperature can be precisely controlled; constant humidity: can ensure that the humidity requirements required by the room are well controlled; constant oxygen: through the fresh air treatment dehumidifier + fresh air supplement, It can be used to control the oxygen level in the room; constant static: because the cold plate is radiated, the air is naturally convected, there is no drive of the blower, and there is no noise to achieve the purpose of constant static; focus on controlling the water temperature radiated to the cold plate, according to the actual indoor conditions The temperature and humidity are adjusted through the centralized control to adjust the three-way proportional control valve, which is used to radiate the temperature of the water to the cold plate, so as to ensure that no condensation will occur due to the low radiation temperature of the cold plate. 2. A cold plate radiant multifunctional air-conditioning device according to claim 1, characterized in that: the cooling and heating air-conditioning unit is 5 horsepower + 6 horsepower cooling and heating air-conditioning unit according to its power. , the structure of the internal components of the air-conditioning unit shell is as follows: the cooling room is set on the left side of the air-conditioning unit shell, 5 hp+6 refrigerating and heating air conditioners are arranged above and below the cooling room, and the air outlet of the cooling fan is forward direction, the refrigerator is set on the left side and rear side of the cooling room; the component assembly room is set on the right side of the air conditioner unit housing, the frequency conversion compressor is set on the lower right part of the component assembly room, and the evaporator The device is arranged at the lower left part of the component assembly room, the circulating water pump is arranged above the evaporator, the three-way proportional regulating valve is arranged above the circulating water pump, and the four-way valve is arranged between the three-way proportional regulating valve and the circulating water pump. 3. A cold-plate radiant multifunctional air-conditioning device according to claim 1, characterized in that: the cooling and heating air-conditioning unit is 5 hp+5 refrigerating and heating air-conditioning units according to its power. , the structure of the internal parts of the air-conditioning unit shell is: the cooling room is set on the upper part of the air-conditioning unit shell, 5 hp+5 refrigerating and heating air conditioners are arranged on the left and right of the cooling room, and the air outlet of the cooling fan is in the forward direction , the refrigerator is arranged on the right side and the rear side of the refrigerator room; the component assembly room is arranged at the lower part of the air conditioner unit shell, the frequency conversion compressor is arranged at the left rear part of the component assembly room, and the evaporator It is installed at the lower right part of the component assembly room, the circulating water pump is located at the upper right part of the component assembly room and above the evaporator, the three-way proportional regulating valve is located above the circulating water pump, and the four-way valve is located at the rightmost end of the component assembly room; A fixed-frequency compressor is also included, and the fixed-frequency compressor is arranged at the left front part of the component assembly room. 4. A cold plate radiant multifunctional air conditioner according to claim 1, characterized in that: the cooling and heating air conditioning unit is 12 horsepower cooling and heating air conditioning units according to its power, at this time, the air conditioning unit The structure of the internal parts of the housing is as follows: the cooling chamber is arranged on the upper and right parts of the air conditioner unit housing, the 12 horsepower cooling and heating air conditioner is arranged in the middle of the upper part of the cooling chamber, and the air outlet of the cooling fan is directed upwards. The refrigerator is arranged on the right side and the rear side of the refrigerator room; the parts assembly room is arranged on the left and lower parts of the air conditioner unit casing, the frequency conversion compressor is arranged on the left rear part of the parts assembly room, and the evaporator is arranged At the right end of the component assembly room, the circulating water pump is arranged in front of the variable frequency compressor, the three-way proportional regulating valve is arranged on the upper right of the circulating water pump, and the four-way valve is arranged above the circulating water pump. 5. A cold plate radiant multifunctional air conditioner according to claim 1, characterized in that: the variable frequency compressor, four-way valve, cooler, capillary and evaporator of the cooling and heating air conditioning unit are connected to each other, and the The above four-way valve can be connected forward or reversely, so that the frequency conversion compressor, four-way valve, cooler, capillary tube and evaporator of the refrigeration and heating air-conditioning unit can be switched forward and reverse; the frequency conversion compressor, four-way valve , the interconnection of the cooler, the capillary tube and the evaporator and the forward and reverse switching are conventional techniques and will not be described in detail. 6. A cold plate radiant multifunctional air conditioner according to claim 1, characterized in that: the circulating water pump presses the normal temperature water into the evaporator, and the temperature of the normal temperature water is 12°; In the air-conditioning and heating hot water system of the system and the fan coil unit, the temperature of the hot water is 35°; In the radiant panel air-conditioning refrigerant water system B, when the water is cooled by the cold radiant panel and heated to warm water, the temperature of the warm water is 12°. 7. A cold plate radiant multifunctional air conditioner according to claim 1, characterized in that: said fan coil unit includes two fan coil units, fan coil unit A and fan coil unit B respectively, and Including valve E-a, valve E-b, valve F-a and valve F-b; valve D-a, valve E-a, fan coil A, valve E-b and D-b are connected in sequence, while valve D-a, valve F-a, fan coil B, valve F-b and D-b are connected in sequence; Can open valve E-a and valve E-b, close valve F-a and valve F-b, use fan coil unit A, can close valve E-a and valve E-b, open valve F-a and valve F-b, use fan coil unit B, can also open valve E-a, valve E-b, valve F-a and valve F-b, use fan coil A and fan coil B at the same time. 8. A cold plate radiant multifunctional air conditioner according to claim 1, characterized in that: it also includes an energy recovery system and an indoor exhaust pipe, and the energy recovery system includes an energy recovery core, a fresh air fan and an exhaust air duct. The fan and the energy recovery core include the fresh air channel and the sewage air channel set up at the top and bottom; the sewage air is driven by the exhaust fan, enters the energy recovery system from the indoor exhaust pipe, and discharges energy from the energy recovery core, and finally, from the sewage The fresh air is discharged from the air outlet; driven by the fresh air fan, the fresh air enters the energy recovery system from the outside, absorbs energy in the energy recovery core, and then is dehumidified and cooled by the fresh air treatment dehumidifier to become dry fresh air, and finally, it is discharged into the room from the fresh air outlet. 9. A cold plate radiant multifunctional air conditioner according to claim 1, characterized in that: said cold radiant plate is provided with a temperature sensor A, said temperature sensor A is connected to the cooling and heating air conditioning unit, and the cooling The heating and air conditioning unit adjusts the temperature of the cold radiant panel according to the temperature reflected by the temperature sensor A. 10. A cold plate radiant multifunctional air conditioner according to claim 1, characterized in that: a temperature sensor B is arranged in the indoor exhaust pipe, and the temperature sensor B is connected to a fresh air treatment dehumidifier, and according to the temperature The temperature reflected by sensor B is used by the cooling and heating air-conditioning unit to adjust the temperature of the fresh air treatment dehumidifier to adjust and control the temperature of the dirty air in the indoor exhaust pipe.