CN213542707U - Fresh air humidifying and cold and hot water unit - Google Patents

Fresh air humidifying and cold and hot water unit Download PDF

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Publication number
CN213542707U
CN213542707U CN202022478974.4U CN202022478974U CN213542707U CN 213542707 U CN213542707 U CN 213542707U CN 202022478974 U CN202022478974 U CN 202022478974U CN 213542707 U CN213542707 U CN 213542707U
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China
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cold
fresh air
water
unit
hot
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CN202022478974.4U
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薛明明
毕承志
王宏革
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Hunan Hongxiang Indoor Climate Technology Co ltd
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Hunan Hongxiang Indoor Climate Technology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/12Hot water central heating systems using heat pumps

Abstract

The utility model belongs to the technical field of air conditioners, in particular to a fresh air humidifying and cold and hot water unit, which comprises a fresh air humidifying indoor unit, a cold and hot water output unit and an outdoor complete machine, wherein the outdoor complete machine comprises a fresh air humidifying outdoor unit and a heat pump cold and hot water machine which are respectively connected with the fresh air humidifying indoor unit and the cold and hot water output unit, the heat pump cold and hot water machine comprises a cold and hot system consisting of a compressor II, a four-way valve II, an expansion valve, a heat exchanger and a water-refrigerant heat exchanger, the cold and hot water output unit comprises a cold and hot output part, a circulating water inlet pipe communicated with the cold and hot output part, a circulating water pump and a circulating water outlet pipe, the circulating water inlet pipe and the circulating water outlet pipe are respectively connected with a water inlet and a water outlet of the water-refrigerant heat exchanger, the installation and the maintenance are convenient, wherein, the temperature and the humidity in the room are adjusted in the cooperation of the heat pump cold and warm water machine and the fresh air humidity adjusting indoor machine.

Description

Fresh air humidifying and cold and hot water unit
Technical Field
The utility model belongs to the technical field of the air conditioner, specifically relate to a new trend humidifying and hot and cold water unit.
Background
With the improvement of living standard and the enhancement of environmental consciousness, the requirement of people on environmental comfort level is higher and higher, meanwhile, the environmental protection is also more and more emphasized, and radiation refrigeration (heat) is taken as a novel refrigeration method with low energy consumption, no pollution and wide cold source, so that the radiation refrigeration (heat) is widely applied to the daily life of people.
In the radiation cooling (heating) system, the capillary network processes sensible heat and automatically adjusts the temperature of the capillary network according to the surrounding environment. The capillary network generally uses water as a medium to transmit energy, and has the characteristics of high efficiency, energy conservation and high comfort level. Compared with the traditional air conditioning mode, the air conditioning system has the remarkable advantages of stable and safe operation, no blowing feeling, low noise, comfort, energy conservation, uniform indoor temperature and the like.
The heat pump unit and the fresh air handling unit which provide cold and hot water required by the capillary network occupy large space, and for the outdoor unit installation position provided by the current commodity room, the problem of insufficient installation space generally exists, and meanwhile, the equipment is mutually independent and does not support each other.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a compact structure, fresh air humidifying and hot and cold water unit that the function was mutually supported.
The utility model discloses a content includes new trend humidifying indoor set, hot and cold water output unit and outdoor complete machine, outdoor complete machine includes the new trend humidifying outdoor unit and the cold warm water machine of heat pump that are connected with new trend humidifying indoor set and hot and cold water output unit respectively, the cold warm water machine of heat pump includes the cold and hot system that comprises compressor II, cross valve II, expansion valve, heat exchanger and water-refrigerant heat exchanger, hot and cold water output unit includes cold and hot output spare, with the circulation inlet tube, circulating water pump and the circulation outlet pipe of cold and hot output spare intercommunication, circulation inlet tube and circulation outlet pipe are connected with the water inlet and the delivery port of water-refrigerant heat exchanger respectively.
Furthermore, the cold and heat output part is a capillary tube, a ground heating pipe or a fan coil.
Furthermore, the circulating water pump is arranged on the circulating water inlet pipe, and an expansion tank is arranged between the circulating water pump and the cold and heat output part.
The utility model discloses still including setting up axial fan II in heat exchanger one side.
The utility model discloses still including the pressure switch who connects circulation inlet tube and circulation outlet pipe.
The utility model discloses still including being used for controlling the cold warm water machine of new trend humidifying indoor set, new trend humidifying off-premises station and heat pump coordinated work's central controller.
Furthermore, fresh air humidifying indoor set is including air intake, filter screen subassembly, evaporimeter, reheat condenser, humidifier, fan and the air outlet that sets gradually, fresh air humidifying outdoor unit includes 33 cross valves I and constitutes compressor I, condenser and the outdoor expansion valve of return circuit with the evaporimeter, compressor I and condenser all are connected with cross valve I, are provided with the radiator on the condenser, reheat condenser passes through the pipeline and connects in parallel with the condenser, and reheat condenser is provided with reheat expansion valve near on the evaporimeter place pipeline.
Furthermore, a main expansion valve is arranged between the evaporator and the condenser and on one side close to the evaporator, the main expansion valve and the outdoor expansion valve are alternatively used, the main expansion valve is connected with a one-way valve facing the condenser in parallel, and the outdoor expansion valve is connected with a one-way valve facing the evaporator in parallel.
Furthermore, a filter is arranged on a pipeline of one side of the condenser and a pipeline of the reheat condenser, which are close to the evaporator.
Further, the air intake includes the return air blast gate that communicates with indoor air and the new trend blast gate that communicates with outdoor air, still be provided with the ultraviolet lamp between humidifier and the fan, the fan is centrifugal fan, the radiator is axial fan I, the filter screen subassembly is including the primary filter, middle-effect filter and the high efficiency filter that set gradually, be provided with the wind pressure difference switch on primary filter and the high efficiency filter.
The beneficial effects of the utility model are that, the utility model discloses with heat pump cold and warm water machine and new trend humidifying off-premises station integration in an outdoor whole built-in, very big reduction installation occupation space, be convenient for install and maintain, wherein, heat pump cold and warm water machine has connected hot water output unit, be used for exporting cold water source or hot water source, can connect the capillary, ground heating coil or fan coil pipe are indoor to provide cold and hot source, be convenient for adjust indoor temperature and humidity with the indoor unit cooperation of new trend humidifying, wherein, the cold and hot system that heat pump cold and warm water machine comprises compressor II, cross valve II, expansion valve, heat exchanger and water-refrigerant heat exchanger carries out the heat transfer through the circulating water at water-refrigerant heat exchanger and cold and hot water output unit, and then realize cold and hot water output of cold and hot water output unit, cold and hot water output unit includes cold and hot output spare, the circulation inlet tube that, The circulating water pump, the circulating water inlet pipe and the circulating water outlet pipe are used for realizing the constant refrigeration or heating of the medium in the cold and heat output part and the water-refrigerant heat exchanger.
Drawings
Fig. 1 is a schematic diagram of the system of the present invention.
Fig. 2 is a system schematic diagram of the medium heat pump cold and warm water machine of the present invention.
FIG. 3 is a schematic diagram of the system for dehumidifying in the fresh air humidity control indoor unit of the present invention.
FIG. 4 is the utility model discloses the theory of operation of cross valve I when new trend humidifying indoor set dehumidification.
FIG. 5 is a schematic diagram of the system for heating the fresh air humidity control indoor unit of the present invention.
FIG. 6 is the utility model discloses the working principle of cross valve I when fresh air humidifying indoor set heats.
In the figure, a return air valve 1, a fresh air valve 2, a primary filter 3, a secondary filter 4, a high-efficiency filter 5, an evaporator 6, a reheat condenser 7, a humidifier 8, an ultraviolet lamp 9, a fan 10, an air outlet 11, a reheat expansion valve 12, a main expansion valve 13, a compressor I14, a four-way valve I15, an outdoor expansion valve 16, an axial flow fan I17, a condenser 18, an oil separator I19, a heat exchanger 20, an expansion valve 21, a water-refrigerant heat exchanger 22, a four-way valve II 23, a compressor II 24, an oil separator II 25, an axial flow fan II 26, a circulating water inlet pipe 27, a circulating water outlet pipe 28, a circulating water pump 29, an expansion tank 30, a pressure switch 31, an outdoor complete machine 32, a fresh air humidifying outdoor machine 33, a heat pump water cooling and warming machine 34, a fresh.
Detailed Description
As shown in fig. 1-6, the utility model discloses a fresh air humidifying indoor set 35, cold and hot water output unit and outdoor complete machine 32, outdoor complete machine 32 includes fresh air humidifying outdoor unit 33 and the cold and hot water machine 34 of heat pump that are connected with fresh air humidifying indoor set 35 and cold and hot water output unit respectively, cold and hot water machine 34 of heat pump includes the cold and hot system that comprises compressor II 24, cross valve II 23, expansion valve 21, heat exchanger 20 and water-refrigerant heat exchanger 22, cold and hot water output unit includes cold and hot output spare, with the circulation inlet tube 27, circulating water pump 29 and the circulation outlet pipe 28 of cold and hot output spare intercommunication, circulation inlet tube 27 and circulation outlet pipe 28 are connected with the water inlet and the delivery port of water-refrigerant heat exchanger 22 respectively.
The utility model integrates a heat pump cold and warm water machine 34 and a fresh air humidity adjusting outdoor unit 33 into an outdoor complete machine 32, and shares a set of shell, thereby greatly reducing the installation occupation space and facilitating installation and maintenance, wherein the heat pump cold and warm water machine 34 is connected with a cold and hot water output unit for outputting a cold water source or a hot water source, and can be connected with a capillary tube, a ground heating pipe or a fan coil pipe for providing a cold and hot source indoors, and is convenient to match with a fresh air humidity adjusting indoor unit 35 for adjusting the indoor temperature and humidity, wherein, the heat pump cold and warm water machine 34 is a cold and hot system composed of a compressor II 24, a four-way valve II 23, an expansion valve 21, a heat exchanger 20 and a water-refrigerant heat exchanger 22, wherein, the cold and hot system is consistent with the refrigeration and heating working principle of a common cold and hot air conditioner, and cold water output of the cold and hot water output unit, the cold and hot water output unit comprises a cold and hot output part, a circulating water inlet pipe 27 communicated with the cold and hot output part, a circulating water pump 29 and a circulating water outlet pipe 28, and the medium in the cold and hot output part and the water-refrigerant heat exchanger 22 realize the instant refrigeration or heating through the circulating water pump 29, the circulating water inlet pipe 27 and the circulating water outlet pipe 28.
The cold and heat output part is a capillary tube, a ground heating pipe or a fan coil, preferably the capillary tube arranged in the indoor wall body, and has the characteristics of high efficiency, energy conservation and high comfort level.
The circulating water pump 29 is arranged on the circulating water inlet pipe 27, the expansion tank 30 is further arranged between the circulating water pump 29 and the cold and heat output part, and due to the fact that the cold and heat water output unit is a closed system, pressure difference exists between circulating water during refrigeration and heating, and the pressure difference can be offset by the aid of the expansion tank 30.
The utility model discloses still including setting up axial fan II 26 in heat exchanger 20 one side, improve heat exchanger 20's heat dissipation or scattered cold efficiency, axial fan II 26 amount of wind is big, and is with low costs, can effectively dispel the heat or scattered cold to heat exchanger 20.
The utility model discloses still including the pressure switch 31 of connecting circulation inlet tube 27 and circulation outlet pipe 28, set up pressure switch 31, when water-refrigerant heat exchanger 22 blockked up, the circulating water realized the intercommunication through pressure switch 31, avoided cold and hot output spare internal pressure too big to cause destruction.
The utility model discloses still including the central controller 36 that is used for controlling fresh air humidifying indoor set 35, fresh air humidifying off-premises station 33 and the cold warm water machine 34 coordinated work of heat pump, be convenient for control fresh air humidifying and hot and cold water unit, the simplified operation degree of difficulty.
The fresh air humidifying indoor unit comprises an air inlet, a filter screen assembly, an evaporator 6, a reheating condenser 7, a humidifier 8, a fan 10 and an air outlet 11 which are sequentially arranged along the air circulation direction, wherein the filter screen assembly is a component for filtering air; the evaporator 6 is a component for cooling, dehumidifying or heating air; the reheating condenser 7 is used for heating the air after refrigeration and dehumidification when the evaporator 6 refrigerates and dehumidifies the air; the humidifier 8 is used for humidifying the heated air when the evaporator 6 heats the air; the fan 10 is used for supplying air to the fresh air humidity-adjusting indoor unit from an air inlet side to an air outlet 11 side in a positive pressure mode, the fresh air humidity-adjusting outdoor unit is used for providing a heat source or a cold source for the evaporator 6 and the reheating condenser 7 and comprises a four-way valve I15, a compressor I14, a condenser 18 and an outdoor expansion valve 16, the compressor I14 and the condenser 18 form a loop with the evaporator 6, all of the evaporator 6, the compressor I14 and the condenser 18 are connected with oil ports corresponding to the four-way valve I15, the flow direction of a refrigerant can be adjusted by adjusting the four-way valve I15, the evaporator 6 is controlled to refrigerate and dehumidify the air or heat the air, the condenser 18 is provided with a radiator, the radiator is used for radiating heat of the condenser 18 or releasing cold energy, the reheating condenser 7 is connected with the condenser 18 in parallel through a, the reheat condenser 7 is provided with a reheat expansion valve 12 on a pipeline close to the evaporator 6, and the output proportion of the reheat expansion valve 12 and the main expansion valve 13 is adjusted to adjust the proportion of heat of the refrigerant discharged by the reheat condenser 7 and the condenser 18.
A main expansion valve 13 is arranged between the evaporator 6 and the condenser 18 and on one side close to the evaporator 6, the main expansion valve 13 is selected from the outdoor expansion valves 16 for use, in a dehumidification mode, the outdoor expansion valve 16 is closed, and the main expansion valve 13 works to reduce the pressure of the refrigerant flowing out of the condenser 18 and having high pressure and normal temperature; in the heating mode, the main expansion valve 13 is closed, and the outdoor expansion valve 16 is operated to reduce the pressure of the high-pressure normal-temperature refrigerant flowing out of the evaporator 6;
a main expansion valve 13 and an outdoor expansion valve 16 which are respectively used for refrigerating and heating of the evaporator 6 are arranged between the condenser 18 and the evaporator 6, the main expansion valve 13 is arranged at one side close to the evaporator 6, and the outdoor expansion valve 16 is arranged at one side close to the condenser 18, so that the situation that in the heating mode, the refrigerant is changed into low-pressure low-temperature liquid refrigerant through the evaporator 6 and the main expansion valve 13 firstly and then is sent to the condenser 18 through a long pipeline can be avoided, and the influence on the service life of the pipeline caused by the fact that the low-pressure low-temperature liquid refrigerant flows through the long.
A check valve arranged toward the condenser 18 is connected in parallel to the main expansion valve 13; the outdoor expansion valve 16 is connected in parallel with a check valve provided toward the evaporator 6, thereby ensuring communication of the pipe when the main expansion valve 13 is used in alternative to the outdoor expansion valve 16.
The condenser 18 and the reheat condenser 7 are provided with filters on the side pipelines close to the evaporator 6, the filters are preferably copper filters, and the copper filters are used for filtering the refrigerant and preventing impurity particles in the refrigerant from blocking the expansion valve when the impurity particles pass through the expansion valve.
The air inlet comprises an air return air valve 1 communicated with indoor air and a fresh air valve 2 communicated with outdoor air, three air inlet modes of full fresh air, fresh air mixing and full return air can be switched by adjusting the air inlet proportion of the air return air valve 1 and the fresh air valve 2, and the proportion of the air return air valve 1 can be properly increased under the condition that the oxygen in the indoor air is enough, so that the cold quantity or the heat quantity required to be generated in the humidifying or heating mode of the humidifying unit can be reduced, and the effect of reducing the energy consumption is achieved.
An ultraviolet lamp 9 is further arranged between the humidifier 8 and the fan 10, and the ultraviolet lamp 9 is used for sterilizing the processed air, so that the air quality is improved.
The radiator is axial fan I17, and axial fan I17 amount of wind is big, can carry out effective heat dissipation to condenser 18.
The filter screen subassembly is including the primary filter 3, the secondary filter 4 and the high efficiency filter 5 that set gradually, through setting up the three-layer filter screen, effectively filters new trend or return air.
Be provided with the wind pressure differential switch on primary filter 3 and the high efficiency filter 5, the wind pressure differential switch is used for detecting the jam condition of filter screen subassembly, and it is more to detect the wind pressure differential before primary filter 3 and after the high efficiency filter 5, and the wind pressure differential switch just carries out work, produces to report to the police and reminds the staff in time to change or wash the filter screen subassembly.

Claims (10)

1. A fresh air humidifying and cold and hot water unit is characterized by comprising a fresh air humidifying indoor unit (35), a cold and hot water output unit and an outdoor whole unit (32), the outdoor whole machine (32) comprises a fresh air humidity adjusting outdoor machine (33) and a heat pump cold and warm water machine (34) which are respectively connected with a fresh air humidity adjusting indoor machine (35) and a cold and warm water output unit, the heat pump cold and warm water machine (34) comprises a cold and hot system consisting of a compressor II (24), a four-way valve II (23), an expansion valve (21), a heat exchanger (20) and a water-refrigerant heat exchanger (22), the cold and hot water output unit comprises a cold and hot output part, a circulating water inlet pipe (27) communicated with the cold and hot output part, a circulating water pump (29) and a circulating water outlet pipe (28), the circulating water inlet pipe (27) and the circulating water outlet pipe (28) are respectively connected with a water inlet and a water outlet of the water-refrigerant heat exchanger (22).
2. The fresh air humidity conditioning and hot and cold water unit as claimed in claim 1, wherein the cold and heat output member is a capillary tube, a floor heating pipe or a fan coil.
3. Fresh air humidity control and cold and hot water unit according to claim 1, wherein the circulating water pump (29) is provided on a circulating water inlet pipe (27), and an expansion tank (30) is further provided between the circulating water pump (29) and the cold and hot output member.
4. The fresh air humidity conditioning and cold and hot water unit as claimed in claim 1, further comprising an axial flow fan ii (26) provided on one side of the heat exchanger (20).
5. Fresh air humidity conditioning and cold and hot water unit as claimed in claim 1, further comprising a pressure switch (31) connecting the circulating water inlet pipe (27) and the circulating water outlet pipe (28).
6. The fresh air humidity conditioning and water chiller/heater unit as claimed in any one of claims 1 to 5, further comprising a central controller (36) for controlling the fresh air humidity conditioning indoor unit (35), the fresh air humidity conditioning outdoor unit (33) and the heat pump water chiller/heater (34) to operate in coordination.
7. Fresh air humidity conditioning and hot and cold water unit as claimed in any one of claims 1 to 5, the fresh air humidifying indoor unit (35) comprises an air inlet, a filter screen component, an evaporator (6), a reheating condenser (7), a humidifier (8), a fan (10) and an air outlet (11) which are arranged in sequence, the fresh air humidity conditioning outdoor unit (33) comprises a four-way valve I (15), a compressor I (14) forming a loop with the evaporator (6), a condenser (18) and an outdoor expansion valve (16), the evaporator (6), the compressor I (14) and the condenser (18) are all connected with a four-way valve I (15), the condenser (18) is provided with a radiator, the reheating condenser (7) is connected with the condenser (18) in parallel through a pipeline, and a reheating expansion valve (12) is arranged on the pipeline where the reheating condenser (7) is close to the evaporator (6).
8. Fresh air humidity conditioning and cold and hot water unit according to claim 7, wherein a main expansion valve (13) is provided between the evaporator (6) and the condenser (18) and on a side close to the evaporator (6), the main expansion valve (13) is selectively used with an outdoor expansion valve (16), the main expansion valve (13) is connected in parallel with a check valve facing the condenser (18), and the outdoor expansion valve (16) is connected in parallel with a check valve facing the evaporator (6).
9. Fresh air humidity control and cold and hot water unit as claimed in claim 8, characterized in that the condenser (18) and the reheat condenser (7) are provided with filters on their side pipes close to the evaporator (6).
10. The fresh air humidity conditioning and cold and hot water unit as claimed in claim 8, wherein the air inlet comprises a return air valve (1) communicated with indoor air and a fresh air valve (2) communicated with outdoor air, an ultraviolet lamp (9) is further arranged between the humidifier (8) and the fan (10), the fan (10) is a centrifugal fan, the radiator is an axial flow fan I (17), the filter screen assembly comprises a primary filter (3), a medium-efficiency filter (4) and a high-efficiency filter (5) which are sequentially arranged, and an air pressure difference switch is arranged on the primary filter (3) and the high-efficiency filter (5).
CN202022478974.4U 2020-10-30 2020-10-30 Fresh air humidifying and cold and hot water unit Active CN213542707U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022478974.4U CN213542707U (en) 2020-10-30 2020-10-30 Fresh air humidifying and cold and hot water unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022478974.4U CN213542707U (en) 2020-10-30 2020-10-30 Fresh air humidifying and cold and hot water unit

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Publication Number Publication Date
CN213542707U true CN213542707U (en) 2021-06-25

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CN202022478974.4U Active CN213542707U (en) 2020-10-30 2020-10-30 Fresh air humidifying and cold and hot water unit

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113375323A (en) * 2021-07-20 2021-09-10 广东智博士系统集成控制有限公司 Indoor temperature and humidity regulation and control unit based on double-temperature-regulation all-air dehumidification technology

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113375323A (en) * 2021-07-20 2021-09-10 广东智博士系统集成控制有限公司 Indoor temperature and humidity regulation and control unit based on double-temperature-regulation all-air dehumidification technology

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