CN210980087U - Cold plate radiation type multifunctional air conditioning device - Google Patents

Cold plate radiation type multifunctional air conditioning device Download PDF

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Publication number
CN210980087U
CN210980087U CN201921825591.0U CN201921825591U CN210980087U CN 210980087 U CN210980087 U CN 210980087U CN 201921825591 U CN201921825591 U CN 201921825591U CN 210980087 U CN210980087 U CN 210980087U
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valve
air
air conditioning
evaporator
refrigerating
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陈越增
邓军琦
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Ningbo Hicon Industry Co ltd
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Ningbo Hicon Industry Co ltd
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Abstract

A cold plate radiation type multifunctional air conditioning device belongs to the technical field of air conditioners and comprises a plurality of valves, a buried pipe, a fresh air treatment dehumidifier, a fan coil unit, an air conditioning chamber and an indoor exhaust pipe, wherein the air conditioning chamber comprises the top of the air conditioning chamber and the bottom of the air conditioning chamber, and the fan coil unit comprises a plurality of fan coils; the refrigerating and heating air conditioning unit comprises an air conditioning unit shell, a variable frequency compressor, a four-way valve, a condenser, a capillary tube, a refrigerating fan and an evaporator; the air conditioning unit shell comprises a refrigerating chamber and a component assembling chamber; the operation flow loop comprises a buried pipe air conditioner hot water making system, a fresh air treatment dehumidifier air conditioner refrigeration medium water system, a fan coil unit air conditioner hot water making system, a cold radiation plate air conditioner refrigeration refrigerant water system and a cold radiation plate air conditioner refrigeration medium water system; the utility model has the advantages that: the method is simple and easy to implement; the machine has multiple functions; radiant cooling of cold radiant panels.

Description

Cold plate radiation type multifunctional air conditioning device
Technical Field
The utility model relates to a multi-functional air conditioning equipment, in particular to cold drawing radiant type multi-functional air conditioning equipment belongs to air conditioner air dehumidification, radiation cooling technical field.
Background
With the continuous improvement of living conditions of people, higher requirements are put forward on living, working and recuperating environments, and the conventional air conditioning system cannot meet the ever-increasing demand of good life of people. It is known that, when an indoor unit of a conventional air conditioner is used for cooling, a strong cold air flow is blown out, so that the weak can bear the strong cold air flow, the head, the shoulders, the waist and even the cold and the fever are caused, which are often called as "air-conditioning" diseases, and people keep away from the air-conditioning system but are hard to endure hot summer heat.
The cold air blown by the common air conditioning device enables indoor air to be quickly mixed to achieve the purposes of cooling and temperature regulation, but for indoor personnel, the common air conditioning device can feel obvious blowing feeling, is not suitable for long-time use in terms of indoor comfort, and is unfavorable for the health of all people.
In the normal air-conditioning refrigeration, 40% of heat of a human body is eliminated through convection, only 20% of heat is eliminated through radiation, the other 40% of heat is eliminated through perspiration, the rotation of a wind wheel in the air conditioner brings noise to people, the rapid reduction of temperature brings damage to people, summer inflammation, high temperature and high humidity are caused, and the effect is more obvious in rainy areas in the south.
Patent applications with application publication numbers CN101979927A and 201010509677X, entitled: a runner dehumidification and cold plate radiation cooling combined air conditioning system and its air conditioning method, the system includes runner dehumidifier, cooling tower and refrigerating unit, utilize the dehumidification runner to remove the wet load of the fresh air sent into room, provide the cooling water for refrigerating unit by the cooling tower at the same time, the refrigerating unit turns the cooling water into the coolant water, the sensible heat load used for removing the room of radiation cold energy; however, the combination of the rotary dehumidifier, the cooling tower and the refrigerating unit is basically only used in places with large space and refrigeration requirements all year round, and common families cannot use the combination and can not meet the heating requirements in winter.
Application publication numbers CN110081539A, application number 2019102491068, entitled: an air conditioning system for efficient convection radiation coupling heat exchange of a data machine room comprises a convection air system and a radiation refrigeration system, wherein the convection air system comprises a refrigeration and heating air conditioning unit, the radiation refrigeration system comprises a refrigeration water supply pipe and a cold radiation plate, a loop is formed by pipelines, cold water of a cold energy source is introduced into the refrigeration water supply pipe, passes through an evaporator in the refrigeration and heating air conditioning unit, and enters the cold radiation plate vertically arranged in the machine room; an air outlet of the refrigerating and heating air conditioning unit is communicated with a lower floor air supply outlet through a pipeline and supplies cold air to the machine room through the lower floor air supply outlet; the air supply mode is changed into air supply from bottom to top instead of real cold plate radiation, all air flows need to be driven by an external fan, so that cold air cannot naturally flow from bottom to top, the air supply needs to be carried out by external driving force, namely the air supply fan is needed, and the problems of noise and air speed are caused.
The common air conditioner is generally used in high-temperature periods in summer, in spring and autumn, although the temperature is not particularly stuffy, when the temperature is still slightly hot, the energy is wasted due to the fact that the air conditioner is turned on, the user does not feel that the air conditioner is still slightly hot, and the user always wants to entangle and do not want the air conditioner. Whether a conventional air conditioner is used as a cold source or not improves the situation of rapid air outlet, can reduce the humidity, can be used in spring and autumn, does not waste energy, and can achieve the aim of cooling. This combination of needs has become a desideratum.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the defect of non-cold plate radiation in the prior art, and provides a cold plate radiation type multifunctional air conditioning device which can achieve compact structure, simplicity and feasibility; the machine has multiple functions; the purpose of radiant cooling of cold radiant panels is to provide radiant cooling.
In order to realize the purpose, the utility model adopts the technical scheme that: a cold plate radiation type multifunctional air conditioning device comprises a cold radiation plate, a valve A-a, a valve A-B, a buried pipe, a valve B-a, a valve B-B, a fresh air treatment dehumidifier, a valve C-a, a valve C-B, a fan coil unit, a valve D-a, a valve D-B, an air conditioning chamber and an indoor exhaust pipe, wherein the air conditioning chamber comprises an air conditioning chamber top and an air conditioning chamber bottom, and the fan coil unit comprises a plurality of fan coils; the buried pipe is laid at the bottom of the air conditioning chamber and below the floor; the fresh air processing dehumidifier is arranged on one side wall in the air conditioner room, and the fan-coil unit is arranged beside the air conditioner room or in a kitchen, a toilet and a corridor;
one end of the fresh air treatment dehumidifier is connected with the fresh air inlet and led to the outside, and the other end of the fresh air treatment dehumidifier is connected with the fresh air outlet and led to the inside; the fan coil unit is a common cold and heat supply terminal device and is divided into the following parts according to the structural form: vertical, horizontal, wall-mounted, clamped and the like, and can be respectively placed on the ground, hung on a wall or embedded into a ceiling;
the refrigerating and heating air conditioning unit comprises an air conditioning unit shell, a variable frequency compressor, a four-way valve, a condenser, a capillary tube, a refrigerating fan and an evaporator, wherein the evaporator is a water-fluorine heat exchanger; the refrigerating and heating air conditioning unit is arranged in the air conditioning room or beside the air conditioning room; the air conditioning unit shell comprises a refrigerating chamber and a component assembling chamber, the condenser and the refrigerating fan are arranged in the refrigerating chamber, and an air outlet of the refrigerating fan faces outwards and is arranged on the air conditioning unit shell; the variable frequency compressor, the four-way valve, the capillary tube, the evaporator, the circulating water pump and the three-way proportional control valve are arranged in the component assembly chamber;
the three-way proportional regulating valve comprises a first inlet end, a second inlet end and an outlet end; the cold radiation plate is arranged at the top of the air conditioning chamber, the three-way proportional control valve is assembled above the evaporator, the evaporator is connected with a first inlet end of the three-way proportional control valve, an outlet end of the three-way proportional control valve is connected with the cold radiation plate through a valve A-a, the cold radiation plate is connected with the circulating water pump through a valve A-b, and the circulating water pump is also connected with a second inlet end of the three-way proportional control valve;
the evaporator is connected with a buried pipe through a valve B-a, the buried pipe is connected with a water inlet end of a circulating water pump through a valve B-B, the evaporator is connected with a fresh air processing dehumidifier through a valve C-a, the fresh air processing dehumidifier is connected with the water inlet end of the circulating water pump through a valve C-B, the evaporator is connected with a fan coil unit through a valve D-a, and the fan coil unit is connected with the water inlet end of the circulating water pump through a valve D-B;
the refrigerating and heating air-conditioning unit comprises 5P + 6P refrigerating and heating air-conditioning units, 5P + 5P refrigerating and heating air-conditioning units or 12P refrigerating and heating air-conditioning units according to the power of the refrigerating and heating air-conditioning units; the cold plate radiation type multifunctional air conditioning device operation flow loop comprises a buried pipe air conditioning and water heating system, a fresh air treatment dehumidifier air conditioning refrigerant water system, a fan coil unit air conditioning and water heating system, a cold radiation plate air conditioning refrigerant water system and a cold radiation plate air conditioning refrigerant warm medium water system;
the buried pipe air-conditioning hot water system comprises a circulating water pump, an evaporator, a valve B-a, a buried pipe, a valve B-B and a circulating water pump which are connected in sequence, wherein the valve B-a and the valve B-B are opened; firstly, a circulating water pump presses normal-temperature water to an evaporator, a refrigerating and heating air conditioning unit turns the normal-temperature water in the evaporator into hot water, then the hot water enters a buried pipe through a valve B-a for heat dissipation and supplies heat to the indoor, and the water returns to the circulating water pump through a valve B-B after being cooled by the buried pipe; the circulating water pump presses water to the evaporator, and the water is circulated in such a way, so that the indoor temperature is ensured to meet the heating requirement;
the fresh air treatment dehumidifier air conditioner refrigeration medium water system comprises a circulating water pump, an evaporator, a valve C-a, a fresh air treatment dehumidifier, a valve C-b and a circulating water pump which are connected in sequence, wherein the valve C-a and the valve C-b are opened; firstly, a circulating water pump presses normal-temperature water to an evaporator, a refrigerating and heating air conditioning unit turns the normal-temperature water in the evaporator into refrigerant water, then the refrigerant water enters a fresh air treatment dehumidifier through a valve B-a and exchanges heat with fresh air to make the fresh air become cold and the water become hot, and when the fresh air becomes cold, water drops in the fresh air are separated out to achieve the aim of dehumidification; the hot water after heat exchange returns to the circulating water pump through a valve C-b; the circulating water pump presses water to the evaporator, and the refrigerating and heating air conditioning unit changes hot water in the evaporator into refrigerant water through the evaporator, so that circulation is not repeated, and the fresh air processing dehumidifier is ensured to continuously cool and dehumidify fresh air;
the fan coil unit air-conditioning refrigeration medium water system comprises a circulating water pump, an evaporator, a valve D-a, a fan coil unit, a valve D-b and a circulating water pump which are connected in sequence, wherein the valve D-a and the valve D-b are opened; firstly, a circulating water pump presses normal-temperature water to an evaporator, a refrigerating and heating air conditioning unit changes the normal-temperature water in the evaporator into refrigerant water through the evaporator, and then the refrigerant water enters a fan coil unit through a valve D-a to exchange heat with indoor air so as to cool and heat the indoor water; the warm water after heat exchange returns to the circulating water pump through a valve D-b; the circulating water pump presses warm water to the evaporator, and the refrigerating and heating air conditioning unit changes the warm water in the evaporator into refrigerant water, so that circulation is kept, and the fan coiler group is ensured to continuously exchange heat with indoor air, so that the aim of refrigerating the indoor air is fulfilled;
the fan-coil unit air-conditioning hot water system comprises a circulating water pump, an evaporator, a valve D-a, a fan-coil unit, a valve D-b and a circulating water pump which are connected in sequence, wherein the valve D-a and the valve D-b are opened; firstly, a circulating water pump presses normal-temperature water to an evaporator, a refrigerating and heating air conditioning unit turns the normal-temperature water in the evaporator into hot water, and then the hot water enters a fan coil unit through a valve D-a and exchanges heat with indoor air to heat and cool the indoor air; the refrigerant water after heat exchange returns to the circulating water pump through a valve D-b; the circulating water pump presses water to the evaporator, and the refrigerating and heating air conditioning unit turns the refrigerant water into hot water, so that the circulation is not good, the continuous heat exchange of the indoor air by the fan coiler unit is ensured, and the purpose of heating the indoor air is achieved;
the cold radiation plate air conditioner refrigeration refrigerant water system: when the first inlet end and the second inlet end of the three-way proportional control valve are opened and closed, the circulating water pump, the evaporator, the three-way proportional control valve, the valve A-a, the cold radiation plate, the valve A-B and the circulating water pump are sequentially connected to form a cold radiation plate air conditioner refrigeration refrigerant water system, at the moment, the valve A-a and the valve A-B are opened, and the valve B-a and the valve B-B are closed; firstly, a circulating water pump presses normal-temperature water to an evaporator, a refrigerating and heating air conditioning unit changes the normal-temperature water in the evaporator into refrigerant water, then the refrigerant water enters from a first inlet end of a three-way proportional control valve and then comes out from an outlet end of the three-way proportional control valve, enters a cold radiation plate through a valve A-a for cold dissipation and is refrigerated indoors, and the water returns to the circulating water pump through a valve A-b after being cooled and heated to be warm water by the cold radiation plate; the circulating water pump presses warm water to the evaporator, and the circulation is stopped, so that the indoor temperature is ensured to meet the refrigeration requirement;
a cold radiation plate air-conditioning refrigeration warm medium water system; when the second inlet end of the three-way proportional control valve is opened and the first inlet end is closed, the circulating water pump, the three-way proportional control valve, the valve A-a, the cold radiation plate, the valve A-B and the circulating water pump are sequentially connected to form a cold radiation plate air-conditioning refrigeration warm medium water system, at the moment, the valve A-a and the valve A-B are opened, and the valve B-a and the valve B-B are closed; the circulating water pump directly enters low-temperature water which is subjected to primary circulation and is moderately heated by refrigerant water from a second inlet end of the three-way proportional control valve, then the low-temperature water comes out from an outlet end of the three-way proportional control valve, enters the cold radiation plate through a valve A-a to be dispersed in cold and is refrigerated indoors, and the water returns to the circulating water pump through a valve A-b after being dispersed in cold and heated to be warm water by the cold radiation plate; when the indoor temperature is high and the refrigeration is required, the cold radiation plate air-conditioning refrigeration water medium system B is used for refrigerating the indoor space, so that the energy is fully utilized, and the phenomenon of overhigh indoor temperature is properly controlled; most of cold load is born by radiation heat exchange, and the indoor temperature is uniformly distributed, so that the indoor comfort is obviously improved;
the circulating water pump presses normal temperature water into the evaporator, and the temperature of the normal temperature water is 10-14 degrees; in the buried pipe air-conditioning and heating water system and the fan coil unit air-conditioning and heating water system, the temperature of hot water is 33-37 degrees; the refrigeration and heating air conditioning unit changes normal-temperature water in the evaporator into refrigerant water through the evaporator, wherein the temperature of the refrigerant water is 5-9 degrees; in the cold radiation plate air-conditioning refrigeration water-medium system B, when the cold radiation plate dissipates cold and the temperature of water is raised to warm water, the temperature of the warm water is 10-14 degrees; two cold sources of 5-9 degrees of refrigerant water and 10-14 degrees of warm water are provided in the refrigeration of the cold radiation plate air conditioner;
in summer, the refrigerant water prepared by the refrigerating and heating air conditioning unit directly supplies cold to the radiation cold plate; in spring and autumn, the combined air-conditioning system opens the bypass pipeline through the three-way proportional control valve, closes the refrigerating and heating air-conditioning unit at the same time, transfers the water into the cold radiation plate air-conditioning refrigerating medium water system B, directly conveys the water which is subjected to radiation refrigeration by the cold radiation plate and has slightly improved temperature to the cold radiation plate by the circulating water pump, performs radiation refrigeration on the air-conditioning chamber, and fully utilizes energy;
the utility model discloses cold drawing radiation theory of operation is: the radiation of the cold plate is only arranged at the upper end, and the cold air naturally flows downwards and the hot air naturally flows upwards through the principle that the density of the cold air is larger than that of the hot air, so that the whole room is used to achieve the proper aim, and the aim of constant temperature, humidity, oxygen and static electricity is fulfilled; and (3) constant temperature: the room temperature can be accurately controlled; constant humidity: the humidity requirement required by a room can be ensured to be well controlled; constant oxygen: the indoor oxygen content can be well controlled by supplementing fresh air and the fresh air treatment dehumidifier; keeping the temperature constant: because the radiation of the cold plate is adopted, the air naturally convects, the driving of a blower is avoided, and the purpose of keeping the temperature without noise is achieved; the temperature control of the cold plate radiation is emphasized through controlling, the three-way proportional control valve is adjusted through centralized control according to the actual indoor temperature and humidity, the temperature of the cold plate radiation water is used, and the dew condensation caused by the too low cold plate radiation temperature is avoided.
The refrigeration heats air conditioning unit and is 5 for +6 refrigeration heating air conditioning unit according to the size of its power, and at this moment, air conditioning unit casing internal component structure is: the refrigerating and heating air conditioner is arranged above and below the refrigerating and heating room, an air outlet of the refrigerating and heating fan faces forward, and the condenser is arranged on the left side face and the rear side face of the refrigerating and heating room; the component assembly chamber is arranged on the right side of the air conditioning unit shell, the variable frequency compressor is arranged on the right lower portion of the component assembly chamber, the evaporator is arranged on the left lower portion of the component assembly chamber, the circulating water pump is arranged above the evaporator, the three-way proportional control valve is arranged above the circulating water pump, and the four-way valve is arranged between the three-way proportional control valve and the circulating water pump.
The refrigeration heats air conditioning unit and is 5 for +5 refrigeration heating air conditioning unit according to the size of its power, and at this moment, air conditioning unit casing internal component structure is: the refrigerating and heating air conditioners are arranged on the left and right sides of the refrigerating and heating room, the air outlet of the refrigerating and heating fan is arranged in the forward direction, and the condensers are arranged on the right side surface and the rear side surface of the refrigerating and heating room; the component assembly chamber is arranged at the lower part of the shell of the air conditioning unit, the variable frequency compressor is arranged at the left rear part of the component assembly chamber, the evaporator is arranged at the right lower part of the component assembly chamber, the circulating water pump is arranged at the right upper part of the component assembly chamber and above the evaporator, the three-way proportional control valve is arranged above the circulating water pump, and the four-way valve is arranged at the rightmost end of the component assembly chamber;
the component assembling room further comprises a fixed-frequency compressor, and the fixed-frequency compressor is arranged at the front left part of the component assembling room.
The refrigeration and heating air conditioning unit is 12 refrigeration and heating air conditioning units according to the power of the refrigeration and heating air conditioning unit, and at the moment, the structure of the internal parts of the shell of the air conditioning unit is as follows: the refrigerating and heating air conditioners are arranged in the middle of the upper part of the refrigerating and heating room, the air outlet of the refrigerating and heating fan is upward, and the condensers are arranged on the right side surface and the rear side surface of the refrigerating and heating room; the component assembly chamber is arranged on the left and lower parts of the shell of the air conditioning unit, the variable frequency compressor is arranged on the left rear part of the component assembly chamber, the evaporator is arranged on the right end part of the component assembly chamber, the circulating water pump is arranged in front of the variable frequency compressor, the three-way proportional control valve is arranged on the upper right of the circulating water pump, and the four-way valve is arranged on the upper side of the circulating water pump.
The variable frequency compressor, the four-way valve, the condenser, the capillary tube and the evaporator of the refrigerating and heating air conditioning unit are connected with each other, and the four-way valve can be connected in a forward direction or a reverse direction, so that the variable frequency compressor, the four-way valve, the condenser, the capillary tube and the evaporator of the refrigerating and heating air conditioning unit can be switched in the forward direction and the reverse direction; the interconnection and forward and backward switching of the variable frequency compressor, the four-way valve, the condenser, the capillary tube and the evaporator are switched to conventional technologies and are not described in detail.
The refrigeration principle of the refrigeration and heating air conditioning unit is as follows: when the four-way valve is positively connected, the refrigerant of the variable frequency compressor is compressed by the variable frequency compressor to be converted into high-temperature and high-pressure gas, the high-temperature and high-pressure gas is discharged from the positive direction of the four-way valve and enters the condenser, the cold absorption and the heat release of the condenser are realized, the air around the condenser is heated, and the hot air is discharged to the outside by the cold suspected fan; the refrigerant is changed into medium-temperature and high-pressure liquid through the condenser, is changed into low-temperature and low-pressure liquid through pressure reduction, throttling and expansion of the capillary tube, and absorbs heat and releases cold through the evaporator, so that the normal-temperature water of the evaporator is changed into refrigerant water; the refrigerant of the variable frequency compressor is changed into low-temperature and low-pressure gas after the action of the evaporator, and the low-temperature and low-pressure gas returns to the variable frequency compressor through the four-way valve, then continuously circulates, and continuously completes the refrigeration of the evaporator by the refrigeration and heating air conditioning unit; the heating principle of the refrigerating and heating air conditioning unit is as follows: when the four-way valve is connected in the forward and reverse directions, the refrigerant of the compressor is compressed by the variable frequency compressor and converted into high-temperature and high-pressure gas, the gas is discharged in the reverse direction through the four-way valve and enters the evaporator to absorb cold and release heat, and the normal-temperature water of the evaporator is converted into hot water; the refrigerant is changed into medium-temperature and high-pressure liquid through the evaporator, is changed into low-temperature and low-pressure liquid through pressure reduction, throttling and expansion of the capillary tube, and absorbs and releases heat through the condenser, so that the air around the condenser is cooled, and the cooled air is discharged to the outside through the cooling fan; the refrigerant is changed into low-temperature and low-pressure gas under the action of the condenser, returns to the variable-frequency compressor through the four-way valve, and then continuously circulates to continuously complete the heating of the refrigerating and heating air conditioning unit on the evaporator.
The circulating water pump presses normal temperature water into the evaporator, and the temperature of the normal temperature water is 12 degrees; in the buried pipe air-conditioning and heating water system and the fan coil unit air-conditioning and heating water system, the temperature of hot water is 35 degrees; the refrigeration and heating air conditioning unit changes normal-temperature water in the evaporator into refrigerant water through the evaporator, wherein the temperature of the refrigerant water is 7 degrees; in the cold radiation plate air-conditioning refrigeration water medium system B, when the water is cooled and heated to warm water by the cold radiation plate, the temperature of the warm water is 12 degrees, and two types of cooling media of 7 degrees and warm water of 12 degrees are provided in the cold radiation plate air-conditioning refrigeration.
The fan coil unit comprises 2 fan coils, namely a fan coil A and a fan coil B, and further comprises a valve E-a, a valve E-B, a valve F-a and a valve F-B; the valve D-a, the valve E-a, the fan coil A, the valves E-B and D-B are sequentially connected, and the valve D-a, the valve F-a, the fan coil B, the valves F-B and D-B are sequentially connected; the valve E-a and the valve E-B can be opened, the valve F-a and the valve F-B can be closed, the fan coil A is used, the valve E-a and the valve E-B can be closed, the valve F-a and the valve F-B are opened, the fan coil B is used, the valve E-a, the valve E-B, the valve F-a and the valve F-B can also be opened at the same time, and the fan coil A and the fan coil B are used at the same time.
The energy recovery system comprises an energy recovery machine core, a fresh air fan and an exhaust fan, wherein the energy recovery machine core comprises a fresh air channel and a dirty air channel which are arranged in an up-down crossed manner; the dirty air enters the energy recovery system from the indoor exhaust pipe under the driving of the exhaust fan, the energy is discharged from the energy recovery machine core, and finally, the dirty air is discharged from a dirty air outlet; fresh air enters the energy recovery system from the outdoor under the drive of the fresh air fan, absorbs energy in the energy recovery machine core, is dehumidified and cooled by the fresh air processing dehumidifier to become dry fresh air, and is finally discharged to the indoor from the fresh air outlet.
The temperature sensor A is arranged on the cold radiation plate and connected with the refrigerating and heating air conditioning unit, and the refrigerating and heating air conditioning unit adjusts the temperature of the cold radiation plate according to the temperature reflected by the temperature sensor A;
the three-way proportional control valve is used for regulating the water temperature of the path radiated by the cold plate, and the opening degree of the three-way proportional control valve is controlled by the indoor temperature and humidity and PID (proportion integration differentiation) displayed by the temperature sensor A so as to ensure the water temperature supplied for the radiation of the cold plate, wherein the temperature radiated by the cold plate is not lower than the dew point temperature of indoor air, and the temperature of outlet water is marked as 12 ℃; for the fresh air treatment dehumidifier, the outlet water temperature is marked with 7 ℃, and the lower the temperature of the water supplied to the fresh air treatment dehumidifier, the more convenient the fresh air cooling and dehumidification.
A temperature sensor B is arranged in the indoor exhaust pipe and connected with a fresh air processing dehumidifier, and the refrigerating and heating air conditioning unit adjusts the temperature of the fresh air processing dehumidifier according to the temperature reflected by the temperature sensor B so as to adjust and control the temperature of dirty air in the indoor exhaust pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the air conditioning unit is used for refrigerating and heating, and the variable frequency compressor, the four-way valve, the condenser, the capillary tube, the evaporator, the circulating water pump, the water-fluorine heat exchanger and the three-way proportional control valve are arranged in the shell of the air conditioning unit, so that the air conditioning unit is compact in structure, simple and easy to implement: the refrigerating and heating air conditioning unit can provide cold for the cold radiation plate without a large cold source and improve the refrigerating comfort, and is 5 to 5 refrigerating and heating air conditioning units, 5 to 6 refrigerating and heating air conditioning units or 12 refrigerating and heating air conditioning units, thereby being widely applied to individual families, and medium and small-sized workshops;
2) the purpose of one machine with multiple purposes of the refrigerating and heating air conditioning unit is realized, and the application performance of the refrigerating and heating air conditioning unit is improved: the cold radiation plate cold radiation refrigeration and refrigeration heating air conditioning unit heats through the buried pipe, and the refrigeration and heating air conditioning unit refrigerates or heats through the fan coil unit, and the fresh air treatment dehumidifier and the energy recovery system introduce fresh air and dehumidify, and are silent in operation, environment-friendly and sanitary: the air conditioner does not contain any mechanical rotating equipment or noise, reduces the air convection, greatly reduces the moving dust, is environment-friendly and sanitary, and achieves the aim of constant temperature, humidity, oxygen and static electricity;
3) the cold radiation plate supplies cold and improves the comfort: the matching of the refrigerating and heating air conditioning unit and the cold radiation plate is utilized to realize the radiation type cold supply of the indoor cold radiation plate, the cold radiation plate at the top of the air conditioning chamber is used for radiation refrigeration, the heat of a human body is increased from 20% to 50% through radiation elimination, the heat is reduced from 40% to 30% through convection elimination, the heat is reduced from 40% to 20% through perspiration elimination, the heat is uniformly distributed in the room, and the indoor comfort degree is obviously improved;
4) refrigerating and dehumidifying in summer: outdoor fresh air is introduced through the fresh air treatment dehumidifier and the energy recovery system, so that the temperature and the humidity in the air conditioner are accurately controlled, the quality of indoor air is improved, air conditioner diseases can be effectively prevented, the efficiency of a refrigerating unit is improved, and the aim of saving energy is fulfilled; the refrigerating and heating air conditioning unit can be closed in excessive seasons, warm water circulation and natural cooling are directly carried out by utilizing the circulating water pump and the three-way proportional control valve to directly supply cold, so that the operating cost of the air conditioning system is reduced, and the environment is not polluted.
Drawings
FIG. 1 is a schematic diagram of: example 1 refrigeration cycle schematic;
FIG. 2 is a diagram of: example 2 heating run loop schematic;
FIG. 3 is a diagram of: embodiment 1 refrigeration and heating air conditioning unit, circulating water pump and three-way proportional control valve make up the front view;
FIG. 4 is a diagram of: embodiment 1 refrigeration and heating air conditioning unit, circulating water pump and three-way proportional control valve make up the stereogram of positive direction (there is no air conditioning unit casing to get right flank and front flank);
FIG. 5 is a diagram of: embodiment 1 refrigeration and heating air conditioning unit, circulating water pump and three-way proportional control valve make up the stereogram of the rear direction (without right flank and front flank of the air conditioning unit casing);
FIG. 6 is a diagram of: embodiment 2 refrigeration and heating air conditioning unit, circulating water pump and three-way proportional control valve make up the positive direction stereogram (without the right side, front flank and trailing flank of the housing part assembly room of the air conditioning unit);
FIG. 7 is a diagram of: embodiment 2 refrigeration and heating air conditioning unit, circulating water pump and three-way proportional control valve make up the stereogram of the rear direction (without right side, front flank and back flank of the assembly chamber of housing part of the air conditioning unit);
FIG. 8 is a diagram of: embodiment 3 refrigeration and heating air conditioning unit, circulating water pump and three-way proportional control valve combination positive direction stereogram (left surface and front surface of no air conditioning unit casing).
Description of reference numerals: the system comprises a cold radiation plate 1, valves A-a2a, valves A-B2B, a buried pipe 3, valves B-a 4a, valves B-B4B, a fresh air treatment dehumidifier 5, valves C-a 6a, valves C-B6B, a fan coil unit 7, a fan coil 701, valves D-a 8a, valves D-B8B, an air conditioning chamber 9, an air conditioning chamber top 901, an air conditioning chamber bottom 902, an indoor exhaust pipe 10, a fresh air inlet 11, a fresh air outlet 12, a refrigerating and heating air conditioning unit 13, an air conditioning unit shell 1301, a variable frequency compressor 1302, a four-way valve 1303, a condenser 1304, a capillary tube 1305, a cold air inlet 1306, an evaporator 1307, a cold air chamber, a component assembly chamber 1309, a circulating water pump 14, a three-way proportional control valve 15, a first inlet 1501, a second inlet 1502, an outlet 1503, a first inlet 1503, a second inlet 1503, the device comprises a temperature sensor A16, a temperature sensor B17, a fixed frequency compressor 18, a valve E-a19a, a valve E-B19B, a valve F-a20a, a valve F-B20B, a dirty air outlet 21 and an air outlet 22.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to limit the present invention.
Example 1:
the cooling and heating air conditioning unit 13 is 5 pieces of cooling and heating air conditioning units 13 and 6 pieces of cooling and heating air conditioning units 13, as shown in fig. 1 to 5, the cold plate radiation type multifunctional air conditioning device comprises a cooling radiation plate 1, a valve A-a2a, a valve A-B2B, a buried pipe 3, a valve B-a 4a, a valve B-B4B, a fresh air treatment dehumidifier 5, a valve C-a 6a, a valve C-B6B, a fan coil unit 7, a valve D-a 8a, a valve D-B8B, an air conditioning chamber 9 and an indoor exhaust pipe 10, wherein the air conditioning chamber 9 comprises an air conditioning chamber top 901 and an air conditioning chamber bottom 902, and the fan coil unit 7 comprises a plurality of fan coils 701; the buried pipe 3 is laid at the bottom 902 of the air conditioning room and below the floor; the fresh air processing dehumidifier 5 is arranged on one side wall in the air-conditioning chamber 9, and the fan-coil unit 7 is arranged beside the inner side of the air-conditioning chamber 9;
one end of the fresh air treatment dehumidifier 5 is connected with a fresh air inlet 11 and led to the outside, and the other end of the fresh air treatment dehumidifier is connected with a fresh air outlet 12 and led to the inside; the fan-coil unit 7 is a common cold and heat supply terminal device, and is divided into the following parts according to the structural form: vertical, horizontal, wall-mounted, clamped and the like, and can be respectively placed on the ground, hung on a wall or embedded into a ceiling;
the system also comprises a refrigerating and heating air conditioning unit 13, a circulating water pump 14 and a three-way proportional control valve 15, wherein the refrigerating and heating air conditioning unit 13 comprises an air conditioning unit shell 1301, a variable frequency compressor 1302, a four-way valve 1303, a condenser 1304, a capillary tube 1305, a refrigerating fan 1306 and an evaporator 1307, and the evaporator 1307 is a water-fluorine heat exchanger; the refrigerating and heating air conditioning unit 13 is arranged in the air conditioning room 9 or beside the air conditioning room 9; the air conditioning unit shell 1301 comprises a refrigerating chamber 1308 and a component assembly chamber 1309, the condenser 1304 and the refrigerating fan 1306 are arranged in the refrigerating chamber 1308, and an air outlet 22 of the refrigerating fan 1306 is arranged on the air conditioning unit shell 1301 in an outward mode; the variable frequency compressor 1302, the four-way valve 1303, the capillary tube 1305, the evaporator 1307, the circulating water pump 14 and the three-way proportional control valve 15 are arranged in a component assembly chamber 1309;
the three-way proportional regulating valve 15 comprises a first inlet end 1501, a second inlet end 1502 and an outlet end 1503; the cold radiation plate 1 is arranged at the top 901 of the air conditioning room, the three-way proportional control valve 15 is assembled above the evaporator 1307, the evaporator 1307 is connected with a first inlet end 1501 of the three-way proportional control valve 15, an outlet end 1503 of the three-way proportional control valve 15 is connected with the cold radiation plate 1 through a valve A-a2a, the cold radiation plate 1 is connected with a circulating water pump 14 through a valve A-b2b, and the circulating water pump 14 is also connected with a second inlet end 1502 of the three-way proportional control valve 15;
the evaporator 1307 is connected with the buried pipe 3 through a valve B-a 4a, the buried pipe 3 is connected with the water inlet end of the circulating water pump 14 through a valve B-B4B, the evaporator 1307 is connected with the fresh air processing dehumidifier 5 through a valve C-a 6a, the fresh air processing dehumidifier 5 is connected with the water inlet end of the circulating water pump 14 through a valve C-B6B, meanwhile, the evaporator 1307 is connected with the fan coil unit 7 through a valve D-a 8a, and the fan coil unit 7 is connected with the water inlet end of the circulating water pump 14 through a valve D-B8B, wherein the valve B-a 4a, the valve B-B4B, the valve C-a 6a, the valve C-B6B, the valve D-a 8a and the valve D-B8B all adopt a Jiangsen F020 CDN 8505-20 electric two-way valve, and automatic control can be realized;
the cold plate radiation type multifunctional air conditioning device operation flow loop comprises a ground buried pipe 3 air conditioning and heating water system, a fresh air treatment dehumidifier 5 air conditioning refrigerant water system, a fan coil unit 7 air conditioning and heating water system, a cold radiation plate 1 air conditioning refrigerant water system and a cold radiation plate 1 air conditioning refrigerant warm medium water system;
the buried pipe 3 air-conditioning and water-heating system comprises a circulating water pump 14, an evaporator 1307, a valve B-a 4a, a buried pipe 3, a valve B-B4B and the circulating water pump 14 which are connected in sequence, wherein the valve B-a 4a and the valve B-B4B are opened; firstly, the circulating water pump 14 presses normal temperature water to the evaporator 1307, the refrigerating and heating air conditioning unit 13 changes the normal temperature water in the evaporator 1307 into hot water, then the hot water enters the buried pipe 3 through the valve B-a 4a for heat dissipation and supplies heat to the indoor, and the water returns to the circulating water pump 14 through the valve B-B4B after being cooled in the buried pipe 3; the circulating water pump 14 also presses water to the evaporator 1307, and the circulation is not repeated, so that the indoor temperature is ensured to meet the heating requirement;
the fresh air processing dehumidifier 5 air-conditioning refrigeration water medium system comprises a circulating water pump 14, an evaporator 1307, a valve C-a 6a, a fresh air processing dehumidifier 5, a valve C-b 6b and a circulating water pump 14 which are connected in sequence, wherein the valve C-a 6a and the valve C-b 6b are opened; firstly, a circulating water pump 14 presses normal-temperature water to an evaporator 1307, a refrigerating and heating air conditioning unit 13 turns the normal-temperature water in the evaporator 1307 into refrigerant water, then the refrigerant water enters a fresh air treatment dehumidifier 5 through a valve B-a 4a and exchanges heat with fresh air to make the fresh air become cold and the water become hot, and when the fresh air becomes cold, water drops in the fresh air are separated out, so that the aim of dehumidification is fulfilled; the hot water after heat exchange returns to the circulating water pump 14 through a valve C-b 6 b; the circulating water pump 14 presses water to the evaporator 1307, and the refrigerating and heating air conditioning unit 13 changes hot water in the evaporator 1307 into refrigerant water through the evaporator 1307, so that circulation is not needed, and the fresh air treatment dehumidifier 5 is ensured to continuously cool and dehumidify fresh air;
the air-conditioning refrigeration water medium system of the fan coil unit 7 comprises a circulating water pump 14, an evaporator 1307, a valve D-a 8a, the fan coil unit 7, a valve D-b 8b and the circulating water pump 14 which are sequentially connected, wherein the valve D-a 8a and the valve D-b 8b are opened; firstly, a circulating water pump 14 presses normal-temperature water to an evaporator 1307, a refrigerating and heating air conditioning unit 13 changes the normal-temperature water in the evaporator 1307 into refrigerant water through the evaporator 1307, then the refrigerant water enters a fan coil unit 7 through a valve D-a 8a and exchanges heat with indoor air to cool the indoor and heat the water; the warm water after heat exchange returns to the circulating water pump 14 through a valve D-b 8 b; the circulating water pump 14 presses warm water to the evaporator 1307, and the refrigerating and heating air conditioning unit 13 changes the warm water in the evaporator 1307 into refrigerant water, so that circulation is not repeated, the fan-coil unit 7 is ensured to continuously perform heat exchange on indoor air, and the purpose of refrigerating the indoor air is achieved;
the air-conditioning and water-heating system of the fan-coil unit 7 comprises a circulating water pump 14, an evaporator 1307, a valve D-a 8a, the fan-coil unit 7, a valve D-b 8b and the circulating water pump 14 which are sequentially connected, wherein the valve D-a 8a and the valve D-b 8b are opened; firstly, a circulating water pump 14 presses normal-temperature water to an evaporator 1307, a refrigerating and heating air conditioning unit 13 turns the normal-temperature water in the evaporator 1307 into hot water, and then the hot water enters a fan coil unit 7 through a valve D-a 8a to exchange heat with indoor air so as to heat and cool the indoor air; the refrigerant water after heat exchange returns to the circulating water pump 14 through a valve D-b 8 b; the circulating water pump 14 presses water to the evaporator 1307, the refrigerating and heating air conditioning unit 13 turns the refrigerant water into hot water, the circulation is not good, the fan coil unit 7 is ensured to continuously exchange heat with the indoor air, the purpose of heating the indoor air is achieved,
the cold radiation plate 1 air-conditioning refrigeration refrigerant water system: when the first inlet end 1501 of the three-way proportional control valve 15 is opened and the second inlet end 1502 is closed, the circulating water pump 14, the evaporator 1307, the three-way proportional control valve 15, the valve a-a2a, the cold radiation plate 1, the valve a-B2B and the circulating water pump 14 are sequentially connected to form a cold radiation plate 1 air-conditioning and refrigeration coolant water system, at the moment, the valve a-a2a and the valve a-B2B are opened, and the valve B-a 4a and the valve B-B4B are closed; firstly, the circulating water pump 14 presses normal temperature water to the evaporator 1307, the refrigerating and heating air conditioning unit 13 changes the normal temperature water in the evaporator 1307 into refrigerant water, then the refrigerant water enters from the first inlet end 1501 of the three-way proportional control valve 15, then exits from the outlet end 1503 of the three-way proportional control valve, enters the cold radiation plate 1 through the valve A-a2a to dissipate cold, and refrigerates indoors, and the water returns to the circulating water pump 14 through the valve A-b2b after the cold radiation plate 1 dissipates cold and is heated to warm water; the circulating water pump 14 presses warm water to the evaporator 1307 again, and the circulation is not repeated, so that the indoor temperature is ensured to meet the refrigeration requirement;
the cold radiation plate 1 is an air-conditioning refrigeration warm medium water system; when the second inlet end 1502 of the three-way proportional control valve 15 is opened and the first inlet end 1501 is closed, the circulating water pump 14, the three-way proportional control valve 15, the valve a-a2a, the cold radiation plate 1, the valve a-B2B and the circulating water pump 14 are sequentially connected to form an air-conditioning refrigeration warm medium water system of the cold radiation plate 1, at the moment, the valve a-a2a and the valve a-B2B are opened, and the valve B-a 4a and the valve B-B4B are closed; the circulating water pump 14 directly enters the once-circulated low-temperature water which is moderately heated by refrigerant water from the second inlet end 1502 of the three-way proportional control valve 15, then comes out from the outlet end 1503 of the three-way proportional control valve, enters the cold radiation plate 1 through the valve A-a2a to dissipate cold, and refrigerates indoors, and the water returns to the circulating water pump 14 through the valve A-b2b after dissipating cold and heating to be warm water in the cold radiation plate 1; when the indoor temperature is high and the refrigeration is required, the cold radiation plate 1 is used for refrigerating the indoor by the air-conditioning refrigeration water medium system B, so that the energy is fully utilized, and the phenomenon of overhigh indoor temperature is properly controlled; most of cold load is born by radiation heat exchange, and the indoor temperature is uniformly distributed, so that the indoor comfort is obviously improved;
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 degrees; in the air-conditioning and heating water system of the buried pipe 3 and the air-conditioning and heating water system of the fan coil unit 7, the temperature of hot water is 33-37 degrees; the refrigerating and heating air conditioning unit 13 changes the normal temperature water in the evaporator 1307 into refrigerant water through the evaporator 1307, wherein the temperature of the refrigerant water is 5-9 degrees; in the cold radiation plate 1 air-conditioning refrigeration water medium system B, when the water is cooled and heated to warm water in the cold radiation plate 1, the temperature of the warm water is 10-14 degrees; two cold sources of 5-9 degrees of refrigerant water and 10-14 degrees of warm water are provided in the air-conditioning refrigeration of the cold radiation plate 1;
in summer, the refrigerant water prepared by the refrigerating and heating air conditioning unit 13 directly supplies cold to the radiation cold plate; in spring and autumn, the combined air-conditioning system opens a bypass pipeline through a three-way proportional control valve 15, closes the refrigerating and heating air-conditioning unit 13 at the same time, transfers the water into the cold radiation plate 1 air-conditioning refrigerating medium water system B, directly conveys the water which is subjected to radiation refrigeration and slightly improved temperature through the cold radiation plate 1 to the cold radiation plate 1 again through a circulating water pump 14, performs radiation refrigeration on the air-conditioning chamber 9, and fully utilizes energy;
the utility model discloses cold drawing radiation theory of operation is: the radiation of the cold plate is only arranged at the upper end, and the cold air naturally flows downwards and the hot air naturally flows upwards through the principle that the density of the cold air is larger than that of the hot air, so that the whole room is used to achieve the proper aim, and the aim of constant temperature, humidity, oxygen and static electricity is fulfilled; and (3) constant temperature: the room temperature can be accurately controlled; constant humidity: the humidity requirement required by a room can be ensured to be well controlled; constant oxygen: the indoor oxygen content can be well controlled by supplementing fresh air through the fresh air treatment dehumidifier 5+ fresh air; keeping the temperature constant: because the radiation of the cold plate is adopted, the air naturally convects, the driving of a blower is avoided, and the purpose of keeping the temperature without noise is achieved; the temperature control of the cold plate radiation is emphasized through controlling, the three-way proportional control valve 15 is adjusted through centralized control according to the actual indoor temperature and humidity, the temperature of the cold plate radiation water is used, and the dew condensation caused by the too low cold plate radiation temperature is avoided.
The refrigeration and heating air conditioning unit 13 is 5P + 6P refrigeration and heating air conditioning unit 13 according to the size of the power of the refrigeration and heating air conditioning unit, and at the moment, the structure of the components in the air conditioning unit shell 1301 is as follows: the cooling and heating chamber 1308 is arranged on the left side of the air conditioning unit shell 1301, 5 and +6 cooling and heating air conditioners are arranged above and below the cooling and heating chamber 1308, the air outlet 22 of the cooling and heating fan 1306 faces the front direction, and the condenser 1304 is arranged on the left side face and the rear side face of the cooling and heating chamber 1308; the component assembly chamber 1309 is arranged on the right side of the air conditioning unit shell 1301, the variable frequency compressor 1302 is arranged on the lower right portion of the component assembly chamber 1309, the evaporator 1307 is arranged on the lower left portion of the component assembly chamber 1309, the circulating water pump 14 is arranged above the evaporator 1307, the three-way proportional control valve 15 is arranged above the circulating water pump 14, and the four-way valve 1303 is arranged between the three-way proportional control valve 15 and the circulating water pump 14.
The inverter compressor 1302, the four-way valve 1303, the condenser 1304, the capillary 1305 and the evaporator 1307 of the refrigerating and heating air-conditioning unit 13 are connected with each other, and the four-way valve 1303 can be connected in a forward direction or in a reverse direction, so that the inverter compressor 1302, the four-way valve 1303, the condenser 1304, the capillary 1305 and the evaporator 1307 of the refrigerating and heating air-conditioning unit 13 can be switched between the forward direction and the reverse direction; the interconnection and forward and reverse switching of inverter compressor 1302, four-way valve 1303, condenser 1304, capillary 1305 and evaporator 1307 are conventional and will not be described in detail.
The refrigeration principle of the refrigeration and heating air conditioning unit 13 is as follows: when the four-way valve 1303 is connected in the forward direction, the refrigerant of the variable frequency compressor 1302 is compressed by the variable frequency compressor 1302 and converted into high-temperature and high-pressure gas, the high-temperature and high-pressure gas is discharged in the forward direction through the four-way valve 1303 and enters the condenser, the cold absorption and heat release of the condenser are carried out, the air around the condenser is heated, and the hot air is discharged to the outside by the cold air fan 1306; the refrigerant is changed into medium-temperature and high-pressure liquid after passing through the condenser, is changed into low-temperature and low-pressure liquid after being decompressed, throttled and expanded through the capillary tube 1305, and absorbs heat and releases cold through the evaporator 1307, so that the normal-temperature water of the evaporator 1307 is changed into refrigerant water; the refrigerant of the inverter compressor 1302 is changed into low-temperature and low-pressure gas after being acted by the evaporator 1307, and then returns to the inverter compressor 1302 through the four-way valve 1303, and then continuously circulates to continuously finish the refrigeration of the evaporator 1307 by the refrigeration and heating air conditioning unit 13;
the heating principle of the cooling and heating air conditioning unit 13 is as follows: when the four-way valve 1303 is connected in the forward and reverse directions, the refrigerant of the compressor is compressed by the variable frequency compressor 1302 and converted into high-temperature and high-pressure gas, and the high-temperature and high-pressure gas is discharged in the reverse direction through the four-way valve 1303 and enters the evaporator 1307 to absorb cold and release heat, so that the normal-temperature water of the evaporator 1307 is changed into hot water; the refrigerant is changed into medium-temperature and high-pressure liquid after passing through the evaporator 1307, is changed into low-temperature and low-pressure liquid after being decompressed, throttled and expanded by the capillary 1305, and is subjected to heat absorption and cold release by the condenser to cool the air around the condenser, and the cold air is discharged to the outside by the cooling fan 1306; the refrigerant is changed into low-temperature and low-pressure gas after the action of the condenser, and then the low-temperature and low-pressure gas returns to the variable-frequency compressor 1302 through the four-way valve 1303, and then the low-temperature and low-pressure gas is continuously circulated to continuously finish the heating of the evaporator 1307 by the refrigerating 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 degrees; in the air-conditioning and heating water system of the buried pipe 3 and the air-conditioning and heating water system of the fan coil unit 7, the temperature of hot water is 35 degrees; the refrigerating and heating air conditioning unit 13 changes the normal temperature water in the evaporator 1307 into refrigerant water through the evaporator 1307, wherein the temperature of the refrigerant water is 7 degrees; in the cold radiation plate 1 air-conditioning refrigeration water medium system B, when water is cooled down and heated up to be warm water in the cold radiation plate 1, the temperature of the warm water is 12 degrees, and two types of cooling media of 7 degrees and warm water of 12 degrees are provided in the cold radiation plate 1 air-conditioning refrigeration.
The fan coil unit 7 comprises 2 fan coils 701, namely a fan coil 701A and a fan coil 701B, and further comprises a valve E-a19a, a valve E-B19B, a valve F-a20a and a valve F-B20B; the valve D-a 8a, the valve E-a19a, the fan coil 701A, the valve E-B19B and the valve D-B are sequentially connected, and the valve D-a 8a, the valve F-a20a, the fan coil 701B, the valve F-B20B and the valve D-B are sequentially connected; valves E-a19a and E-B19B can be opened, valves F-a20a and F-B20B can be closed, fan coil 701A can be closed, valves E-a19a and E-B19B can be closed, valves F-a20a and F-B20B can be opened, fan coil 701B can be used, valves E-a19a, E-B19B, F-a20a and F-B20B can be opened simultaneously, and fan coil 701A and fan coil 701B can be used simultaneously.
The indoor air exhaust system comprises an energy recovery system (not shown in the figure) and an indoor air exhaust pipe 10, wherein the energy recovery system comprises an energy recovery machine core, a fresh air fan and an air exhaust fan, and the energy recovery machine core comprises a fresh air channel and a dirty air channel which are arranged in an up-down crossed manner; the dirty air enters the energy recovery system from the indoor exhaust pipe 10 under the driving of the exhaust fan, the energy is discharged from the energy recovery machine core, and finally, the dirty air is discharged from a dirty air outlet 21; fresh air enters the energy recovery system from the outdoor under the drive of the fresh air fan, absorbs energy in the energy recovery machine core, is dehumidified and cooled by the fresh air processing dehumidifier 5 to become dry fresh air, and is finally discharged to the indoor from the fresh air outlet 12.
The cold radiation plate 1 is provided with a temperature sensor A16, the temperature sensor A16 is connected with the refrigerating and heating air conditioning unit 13, and the refrigerating and heating air conditioning unit 13 adjusts the temperature of the cold radiation plate 1 according to the temperature reflected by the temperature sensor A16;
for the three-way proportional control valve 15, the water temperature of the path radiated by the cold plate is regulated, the opening degree of the three-way proportional control valve 15 is controlled by the indoor temperature and humidity and PID (proportion integration differentiation) displayed by the temperature sensor A16, so that the water temperature radiated by the cold plate is ensured not to be lower than the dew point temperature of indoor air, and the water outlet temperature is marked as 12 ℃; for the fresh air treatment dehumidifier 5, the outlet water temperature is marked with 7 ℃, and the lower the temperature of the water supplied to the fresh air treatment dehumidifier 5, the more convenient the fresh air cooling and dehumidification.
The indoor exhaust pipe 10 is internally provided with a temperature sensor B17, the temperature sensor B17 is connected with the fresh air processing dehumidifier 5, and the refrigeration and heating air conditioning unit 13 adjusts the temperature of the fresh air processing dehumidifier 5 according to the temperature reflected by the temperature sensor B17 so as to adjust and control the temperature of the dirty air in the indoor exhaust pipe 10.
Example 2:
the cooling and heating air conditioning unit 13 is 5 p +5 p cooling and heating air conditioning units 13, as shown in fig. 1, fig. 2, fig. 6 and fig. 7, the cooling and heating air conditioning unit 13 is 5 p +5 p cooling and heating air conditioning units 13 according to the power of the cooling and heating air conditioning unit 13, and at this time, the internal component structure of the air conditioning unit shell 1301 is: the cooling and heating chamber 1308 is arranged at the upper part of the air conditioning unit shell 1301, 5 and 5 cooling and heating air conditioners are arranged on the left and right sides of the cooling and heating chamber 1308, the air outlet 22 of the cooling and heating fan 1306 faces the front direction, and the condenser 1304 is arranged on the right side face and the rear side face of the cooling and heating chamber 1308; the component assembly room 1309 is arranged at the lower part of the air conditioning unit shell 1301, the variable frequency compressor 1302 is arranged at the left rear part of the component assembly room 1309, the evaporator 1307 is arranged at the right lower part of the component assembly room 1309, the circulating water pump 14 is arranged at the upper right part of the component assembly room 1309 and above the evaporator 1307, the three-way proportional control valve 15 is arranged above the circulating water pump 14, and the four-way valve 1303 is arranged at the rightmost end of the component assembly room 1309;
a fixed-frequency compressor 18 is also included, the fixed-frequency compressor 18 being disposed at the front left of the component assembly chamber 1309.
The same as in example 1.
Example 3:
the cooling and heating air conditioning unit 13 is 12 pieces of cooling and heating air conditioning units 13, as shown in fig. 1, fig. 2 and fig. 8, the cooling and heating air conditioning unit 13 is 12 pieces of cooling and heating air conditioning units 13 according to the size of the power of the cooling and heating air conditioning unit 13, and at the moment, the internal part structure of the air conditioning unit shell 1301 is as follows: the refrigerating and heating air conditioners are arranged at the middle position of the upper part of the refrigerating and heating chamber 1308, the air outlet 22 of the refrigerating and heating fan 1306 is upward, and the condensers 1304 are arranged on the right side and the rear side of the refrigerating and heating chamber 1308; the component assembly chamber 1309 is arranged at the left and lower parts of the air conditioning unit shell 1301, the inverter compressor 1302 is arranged at the left rear part of the component assembly chamber 1309, the evaporator 1307 is arranged at the right end part of the component assembly chamber 1309, the circulating water pump 14 is arranged in front of the inverter compressor 1302, the three-way proportional control valve 15 is arranged at the upper right part of the circulating water pump 14, and the four-way valve 1303 is arranged above the circulating water pump 14.
The same as in example 1.
The above-mentioned embodiments are only 3 preferred embodiments of the present invention, and the ordinary changes and replacements performed by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A cold plate radiation type multifunctional air conditioning device comprises a valve A-a, a valve A-B, a buried pipe, a valve B-a, a valve B-B, a fresh air treatment dehumidifier, a valve C-a, a valve C-B, a fan coil unit, a valve D-a, a valve D-B, an air conditioning chamber and an indoor exhaust pipe, wherein the air conditioning chamber comprises an air conditioning chamber top and an air conditioning chamber bottom, and the fan coil unit comprises a plurality of fan coils; the buried pipe is laid at the bottom of the air conditioning chamber and below the floor; the fresh air processing dehumidifier is arranged on one side wall in the air conditioner room, and the fan-coil unit is arranged beside the air conditioner room or in a kitchen, a toilet and a corridor;
one end of the fresh air treatment dehumidifier is connected with the fresh air inlet and led to the outside, and the other end of the fresh air treatment dehumidifier is connected with the fresh air outlet and led to the inside; the method is characterized in that:
the refrigerating and heating air conditioning unit comprises an air conditioning unit shell, a variable frequency compressor, a four-way valve, a condenser, a capillary tube, a refrigerating fan and an evaporator, wherein the evaporator is a water-fluorine heat exchanger; the refrigerating and heating air conditioning unit is arranged in the air conditioning room or beside the air conditioning room; the air conditioning unit shell comprises a refrigerating chamber and a component assembling chamber, the condenser and the refrigerating fan are arranged in the refrigerating chamber, and an air outlet of the refrigerating fan faces outwards and is arranged on the air conditioning unit shell; the variable frequency compressor, the four-way valve, the capillary tube, the evaporator, the circulating water pump and the three-way proportional control valve are arranged in the component assembly chamber;
the three-way proportional regulating valve comprises a first inlet end, a second inlet end and an outlet end; the cold radiation plate is arranged at the top of the air conditioning chamber, the three-way proportional control valve is assembled above the evaporator, the evaporator is connected with a first inlet end of the three-way proportional control valve, an outlet end of the three-way proportional control valve is connected with the cold radiation plate through a valve A-a, the cold radiation plate is connected with the circulating water pump through a valve A-b, and the circulating water pump is also connected with a second inlet end of the three-way proportional control valve;
the evaporator is connected with a buried pipe through a valve B-a, and the buried pipe is connected with the water inlet end of the circulating water pump through a valve B-B; the evaporator is connected with a fresh air treatment dehumidifier through a valve C-a, and the fresh air treatment dehumidifier is connected with a water inlet end of the circulating water pump through a valve C-b; meanwhile, the evaporator is connected with a fan coil unit through a valve D-a, and the fan coil unit is connected with the water inlet end of the circulating water pump through a valve D-b;
the refrigerating and heating air-conditioning unit comprises 5P + 6P refrigerating and heating air-conditioning units, 5P + 5P refrigerating and heating air-conditioning units or 12P refrigerating and heating air-conditioning units according to the power of the refrigerating and heating air-conditioning units; a cold plate radiation type multifunctional air conditioning device operation flow loop comprises a buried pipe air conditioning and water heating system, a fresh air treatment dehumidifier air conditioning refrigeration medium water system, a fan coil unit air conditioning and water heating system, a cold radiation plate air conditioning refrigeration refrigerant water system and a cold radiation plate air conditioning refrigeration medium water system;
the buried pipe air-conditioning hot water system comprises a circulating water pump, an evaporator, a valve B-a, a buried pipe, a valve B-B and a circulating water pump which are connected in sequence, wherein the valve B-a and the valve B-B are opened; firstly, a circulating water pump presses normal-temperature water to an evaporator, a refrigerating and heating air conditioning unit turns the normal-temperature water in the evaporator into hot water, then the hot water enters a buried pipe through a valve B-a for heat dissipation and supplies heat to the indoor, and the water returns to the circulating water pump through a valve B-B after being cooled by the buried pipe; the circulating water pump presses water to the evaporator, and the water is circulated in such a way, so that the indoor temperature is ensured to meet the heating requirement;
the fresh air treatment dehumidifier air conditioner refrigeration medium water system comprises a circulating water pump, an evaporator, a valve C-a, a fresh air treatment dehumidifier, a valve C-b and a circulating water pump which are connected in sequence, wherein the valve C-a and the valve C-b are opened; firstly, a circulating water pump presses normal-temperature water to an evaporator, a refrigerating and heating air conditioning unit turns the normal-temperature water in the evaporator into refrigerant water, then the refrigerant water enters a fresh air treatment dehumidifier through a valve B-a and exchanges heat with fresh air to make the fresh air become cold and the water become hot, and when the fresh air becomes cold, water drops in the fresh air are separated out to achieve the aim of dehumidification; the hot water after heat exchange returns to the circulating water pump through a valve C-b; the circulating water pump presses water to the evaporator, and the refrigerating and heating air conditioning unit changes hot water in the evaporator into refrigerant water through the evaporator, so that circulation is not repeated, and the fresh air processing dehumidifier is ensured to continuously cool and dehumidify fresh air;
the fan coil unit air-conditioning refrigeration medium water system comprises a circulating water pump, an evaporator, a valve D-a, a fan coil unit, a valve D-b and a circulating water pump which are connected in sequence, wherein the valve D-a and the valve D-b are opened; firstly, a circulating water pump presses normal-temperature water to an evaporator, a refrigerating and heating air conditioning unit changes the normal-temperature water in the evaporator into refrigerant water through the evaporator, and then the refrigerant water enters a fan coil unit through a valve D-a to exchange heat with indoor air so as to cool and heat the indoor water; the warm water after heat exchange returns to the circulating water pump through a valve D-b; the circulating water pump presses warm water to the evaporator, and the refrigerating and heating air conditioning unit changes the warm water in the evaporator into refrigerant water, so that circulation is kept, and the fan coiler group is ensured to continuously exchange heat with indoor air, so that the aim of refrigerating the indoor air is fulfilled;
the fan-coil unit air-conditioning hot water system comprises a circulating water pump, an evaporator, a valve D-a, a fan-coil unit, a valve D-b and a circulating water pump which are connected in sequence, wherein the valve D-a and the valve D-b are opened; firstly, a circulating water pump presses normal-temperature water to an evaporator, a refrigerating and heating air conditioning unit turns the normal-temperature water in the evaporator into hot water, and then the hot water enters a fan coil unit through a valve D-a and exchanges heat with indoor air to heat and cool the indoor air; the refrigerant water after heat exchange returns to the circulating water pump through a valve D-b; the circulating water pump presses water to the evaporator, and the refrigerating and heating air conditioning unit turns the refrigerant water into hot water, so that the circulation is not good, the continuous heat exchange of the indoor air by the fan coiler unit is ensured, and the purpose of heating the indoor air is achieved;
the cold radiation plate air conditioner refrigeration refrigerant water system: when the first inlet end and the second inlet end of the three-way proportional control valve are opened and closed, the circulating water pump, the evaporator, the three-way proportional control valve, the valve A-a, the cold radiation plate, the valve A-B and the circulating water pump are sequentially connected to form a cold radiation plate air conditioner refrigeration refrigerant water system, at the moment, the valve A-a and the valve A-B are opened, and the valve B-a and the valve B-B are closed;
a cold radiation plate air-conditioning refrigeration warm medium water system; when the second inlet end of the three-way proportional control valve is opened and the first inlet end is closed, the circulating water pump, the three-way proportional control valve, the valve A-a, the cold radiation plate, the valve A-B and the circulating water pump are sequentially connected to form a cold radiation plate air-conditioning refrigeration warm medium water system, at the moment, the valve A-a and the valve A-B are opened, and the valve B-a and the valve B-B are closed.
2. The cold plate radiant multi-function air conditioning unit of claim 1, wherein: the refrigeration heats air conditioning unit and is 5 for +6 refrigeration heating air conditioning unit according to the size of its power, and at this moment, air conditioning unit casing internal component structure is: the refrigerating and heating air conditioner is arranged above and below the refrigerating and heating room, an air outlet of the refrigerating and heating fan faces forward, and the condenser is arranged on the left side face and the rear side face of the refrigerating and heating room; the component assembly chamber is arranged on the right side of the air conditioning unit shell, the variable frequency compressor is arranged on the right lower portion of the component assembly chamber, the evaporator is arranged on the left lower portion of the component assembly chamber, the circulating water pump is arranged above the evaporator, the three-way proportional control valve is arranged above the circulating water pump, and the four-way valve is arranged between the three-way proportional control valve and the circulating water pump.
3. The cold plate radiant multi-function air conditioning unit of claim 1, wherein: the refrigeration heats air conditioning unit and is 5 for +5 refrigeration heating air conditioning unit according to the size of its power, and at this moment, air conditioning unit casing internal component structure is: the refrigerating and heating air conditioners are arranged on the left and right sides of the refrigerating and heating room, the air outlet of the refrigerating and heating fan is arranged in the forward direction, and the condensers are arranged on the right side surface and the rear side surface of the refrigerating and heating room; the component assembly chamber is arranged at the lower part of the shell of the air conditioning unit, the variable frequency compressor is arranged at the left rear part of the component assembly chamber, the evaporator is arranged at the right lower part of the component assembly chamber, the circulating water pump is arranged at the right upper part of the component assembly chamber and above the evaporator, the three-way proportional control valve is arranged above the circulating water pump, and the four-way valve is arranged at the rightmost end of the component assembly chamber;
the component assembling room further comprises a fixed-frequency compressor, and the fixed-frequency compressor is arranged at the front left part of the component assembling room.
4. The cold plate radiant multi-function air conditioning unit of claim 1, wherein: the refrigeration and heating air conditioning unit is 12 refrigeration and heating air conditioning units according to the power of the refrigeration and heating air conditioning unit, and at the moment, the structure of the internal parts of the shell of the air conditioning unit is as follows: the refrigerating and heating air conditioners are arranged in the middle of the upper part of the refrigerating and heating room, the air outlet of the refrigerating and heating fan is upward, and the condensers are arranged on the right side surface and the rear side surface of the refrigerating and heating room; the component assembly chamber is arranged on the left and lower parts of the shell of the air conditioning unit, the variable frequency compressor is arranged on the left rear part of the component assembly chamber, the evaporator is arranged on the right end part of the component assembly chamber, the circulating water pump is arranged in front of the variable frequency compressor, the three-way proportional control valve is arranged on the upper right of the circulating water pump, and the four-way valve is arranged on the upper side of the circulating water pump.
5. The cold plate radiant multi-function air conditioning unit of claim 1, wherein: the variable frequency compressor, the four-way valve, the condenser, the capillary tube and the evaporator of the refrigerating and heating air conditioning unit are connected with each other, and the four-way valve can be connected in a forward direction or a reverse direction, so that the variable frequency compressor, the four-way valve, the condenser, the capillary tube and the evaporator of the refrigerating and heating air conditioning unit can be switched in the forward direction and the reverse direction; the interconnection and forward and backward switching of the variable frequency compressor, the four-way valve, the condenser, the capillary tube and the evaporator are switched to conventional technologies and are not described in detail.
6. The cold plate radiant multi-function air conditioning unit of claim 1, wherein: the circulating water pump presses normal temperature water into the evaporator, and the temperature of the normal temperature water is 12 degrees; in the buried pipe air-conditioning and heating water system and the fan coil unit air-conditioning and heating water system, the temperature of hot water is 35 degrees; the refrigeration and heating air conditioning unit changes normal-temperature water in the evaporator into refrigerant water through the evaporator, wherein the temperature of the refrigerant water is 7 degrees; in the cold radiation plate air-conditioning refrigeration water-medium system B, when the cold radiation plate dissipates cold and the temperature of water is raised to warm water, the temperature of the warm water is 12 degrees.
7. The cold plate radiant multi-function air conditioning unit of claim 1, wherein: the fan coil unit comprises 2 fan coils, namely a fan coil A and a fan coil B, and further comprises a valve E-a, a valve E-B, a valve F-a and a valve F-B; the valve D-a, the valve E-a, the fan coil A, the valves E-B and D-B are sequentially connected, and the valve D-a, the valve F-a, the fan coil B, the valves F-B and D-B are sequentially connected; the valve E-a and the valve E-B can be opened, the valve F-a and the valve F-B can be closed, the fan coil A is used, the valve E-a and the valve E-B can be closed, the valve F-a and the valve F-B are opened, the fan coil B is used, the valve E-a, the valve E-B, the valve F-a and the valve F-B can also be opened at the same time, and the fan coil A and the fan coil B are used at the same time.
8. The cold plate radiant multi-function air conditioning unit of claim 1, wherein: the energy recovery system comprises an energy recovery machine core, a fresh air fan and an exhaust fan, wherein the energy recovery machine core comprises a fresh air channel and a dirty air channel which are arranged in an up-down crossed manner; the dirty air enters the energy recovery system from the indoor exhaust pipe under the driving of the exhaust fan, the energy is discharged from the energy recovery machine core, and finally, the dirty air is discharged from a dirty air outlet; fresh air enters the energy recovery system from the outdoor under the drive of the fresh air fan, absorbs energy in the energy recovery machine core, is dehumidified and cooled by the fresh air processing dehumidifier to become dry fresh air, and is finally discharged to the indoor from the fresh air outlet.
9. The cold plate radiant multi-function air conditioning unit of claim 1, wherein: the temperature sensor A is arranged on the cold radiation plate and connected with the refrigerating and heating air conditioning unit, and the refrigerating and heating air conditioning unit adjusts the temperature of the cold radiation plate according to the temperature reflected by the temperature sensor A.
10. The cold plate radiant multi-function air conditioning unit of claim 1, wherein: a temperature sensor B is arranged in the indoor exhaust pipe and connected with a fresh air processing dehumidifier, and the refrigerating and heating air conditioning unit adjusts the temperature of the fresh air processing dehumidifier according to the temperature reflected by the temperature sensor B so as to adjust and control the temperature of dirty air in the indoor exhaust pipe.
CN201921825591.0U 2019-10-28 2019-10-28 Cold plate radiation type multifunctional air conditioning device Active CN210980087U (en)

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Application Number Priority Date Filing Date Title
CN201921825591.0U CN210980087U (en) 2019-10-28 2019-10-28 Cold plate radiation type multifunctional air conditioning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921825591.0U CN210980087U (en) 2019-10-28 2019-10-28 Cold plate radiation type multifunctional air conditioning device

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CN210980087U true CN210980087U (en) 2020-07-10

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