[go: up one dir, main page]

CN206207779U - Cold and hot water unit - Google Patents

Cold and hot water unit Download PDF

Info

Publication number
CN206207779U
CN206207779U CN201621146548.8U CN201621146548U CN206207779U CN 206207779 U CN206207779 U CN 206207779U CN 201621146548 U CN201621146548 U CN 201621146548U CN 206207779 U CN206207779 U CN 206207779U
Authority
CN
China
Prior art keywords
heat exchanger
side heat
water
hot water
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201621146548.8U
Other languages
Chinese (zh)
Inventor
李桂强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201621146548.8U priority Critical patent/CN206207779U/en
Application granted granted Critical
Publication of CN206207779U publication Critical patent/CN206207779U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The embodiment of the utility model discloses a cold and hot water unit, which comprises a refrigeration compressor, a hot water side heat exchanger, a heat preservation water storage tank, a four-way reversing valve, an air side heat exchanger, a two-way throttling device, an air conditioner side heat exchanger and an air conditioner end device; a high-pressure exhaust port of the refrigeration compressor is connected with a main valve pipe orifice of the four-way reversing valve and is connected with a first electromagnetic valve in series; the other main valve pipe orifice of the four-way reversing valve is connected with a low-pressure air suction port of the refrigeration compressor; the other two main valve pipe orifices of the four-way reversing valve are respectively connected with an air side heat exchanger and an air conditioner side heat exchanger, and a bidirectional throttling device is connected between the air side heat exchanger and the air conditioner side heat exchanger in series; the hot water side heat exchanger is connected with the second electromagnetic valve in series and then connected with the first electromagnetic valve in parallel, and the heat preservation water storage tank is connected with the hot water side heat exchanger in series; the air conditioner end device is connected with the air conditioner side heat exchanger. The utility model provides a coal-fired heating has the problem that pollutes and the energy consumption is high, provides multiple mode, realizes adjusting the operating frequency according to mode, reduces the complete machine energy consumption.

Description

A kind of water chiller-heater unit
Technical field
The utility model embodiment is related to heat pump technology, more particularly to a kind of water chiller-heater unit.
Background technology
Northern China heating season haze is serious, and its topmost reason is to carry out heating using fire coal, and uses coal-fired Carry out heating, there is pollution environment, and high energy consumption problem.Change implementation and people's environmental protection meaning of electric policy with government's coal The raising of knowledge, the efficient, heat pump of energy-saving and environmental protection is gradually widely used to winter heating.
So-called heat pump, it is exactly a kind of that low temperature heat energy is converted into high temperature heat using artificial technology and heat supply effect is reached The mechanical device of fruit.Heat pump is by low-temperature heat source (such as natural air of surrounding environment, underground water, river, seawater, sewage) Middle absorption is then converted into higher temperatures heat energy and discharges to the interior space (or other regions) compared with low temperature heat energy.This device is Can be used as heat supply heating equipment, refrigeration cool-down equipment is can be used as again, so as to reach the purpose of dual-use.The energy of source pump Conversion, is using the effect of its compressor, by consuming certain auxiliary energy (such as electric energy), in compressor and heat-exchange system Under the collective effect of the refrigerant of circulation, drawn compared with low temperature heat energy by Environmental Heat Source (such as water, air), be then converted into higher Warm can be discharged into circulatory mediator (such as water, air) as high temperature heat source output.
Inventor has found that traditional heat pump has following defect during the utility model is realized:Traditional heat Pumping system function is more single, it is impossible to carry out power adjusting automatically according to functional requirement.In addition, traditional heat pump uses threeway Vavle switching enters the heating water and domestic water of heat exchanger, it is understood that there may be two kinds of problems of water composite pollution, it is impossible to which satisfaction is adopted The demand of warm heat water and domestic hot-water's different quality.Using coil-pipe water tank, the mode of the preparation of domestic hot-water is carried out in water tank, Although heating hot water and domestic hot-water's composite pollution can be solved the problems, such as, except the once heat exchange in heat exchanger it Outward, it also occur that water-water heat exchange, causing the whole efficiency of heat collector or heat pump reduces in coil-pipe water tank.In addition, Traditional heat pump realizes the preparation of heating hot water and domestic hot-water using a heat exchanger, it is impossible to meet heating hot water and life The demand of hot water different temperatures living.
Utility model content
The utility model provides a kind of water chiller-heater unit, to realize automatically adjusting running frequency according to functional requirement, reaches Energy-saving effect, it is completely isolated with heating hot water to also achieve domestic hot-water, has reached and meets domestic hot-water and adopt The demand of warm heat water different temperatures and cleanliness factor.
The utility model embodiment provides a kind of water chiller-heater unit, including:Refrigeration compressor, hot water side heat exchanger, guarantor Warm storage tank, at least two magnetic valves, four-way reversing valve, air-side heat exchanger, bidirectional throttling device, domestic hot water side heat exchanger and sky Adjust end equipment;
The high-pressure exhaust of the refrigeration compressor connects the main valve mouth of pipe of four-way reversing valve, forms high pressure gas pipeline, Connected in the high pressure gas pipeline the first magnetic valve;
Another main valve mouth of pipe of the four-way reversing valve is connected with the low pressure air suction mouthful of the refrigeration compressor, forms low pressure Suction line;
Remaining two main valve mouths of pipe of the four-way reversing valve connect air-side heat exchanger and domestic hot water side heat exchanger respectively, its In, it is in series with bidirectional throttling device between the air-side heat exchanger and domestic hot water side heat exchanger;
After the hot water side heat exchanger is connected with the second magnetic valve, with first electromagnetism on the high pressure gas pipeline Valve is in parallel, and the heat preservation storage water tank is connected with hot water side heat exchanger, hot-water heating system is formed, for preparing hot water for life;
The air-conditioner tail end equipment connects the domestic hot water side heat exchanger, the temperature adjustment for carrying out the interior space.
Further, the hot-water heating system also includes temperature sensor and solenoid valve controller;
The temperature sensor is arranged in the heat preservation storage water tank, the temperature for gathering hot water in the heat preservation storage water tank Degrees of data;
The solenoid valve controller is electrically connected with the temperature sensor, the temperature for obtaining the temperature sensor collection Degrees of data, when the temperature data exceedes setting high temperature threshold value, the first magnetic valve of control is connected, the second electromagnetism valve breakdown, with And when the temperature data is less than setting low temperature threshold, control the first electromagnetism valve breakdown, the second magnetic valve to connect.
Further, the hot-water heating system also includes the first water pump, and first water pump is connected on the hot water side heat exchange In device and the pipeline of the heat preservation storage water tank.
Further, the air-conditioner tail end equipment includes one or more in fan coil, grounding heat coil tube, fin Combination.
Further, also including water knockout drum and water collector;
Domestic hot water side heat exchanger series connection the second water pump and the water knockout drum, the fan coil is connected by water knockout drum respectively The water inlet of water inlet, the water inlet of grounding heat coil tube and fin;
The water collector connects the delivery port of the fan coil, the delivery port of grounding heat coil tube, the water outlet of fin respectively Mouth and the domestic hot water side heat exchanger, after collecting the hot water in the fan coil, grounding heat coil tube and/or fin, output To the domestic hot water side heat exchanger.
Further, connected in the pipeline that catchments between the water collector and the water inlet pipe mouth of the domestic hot water side heat exchanger water Filter.
Further, the bidirectional throttling device is electric expansion valve.
Further, the hot water side heat exchanger and domestic hot water side heat exchanger are plate type heat exchanger.
Further, the refrigeration compressor is DC frequency-changeable compressor;
When domestic hot water side heat exchanger and hot water side heat exchanger are turned on, the running frequency scope of the DC frequency-changeable compressor It is a~c;
Connected in domestic hot water side heat exchanger, when hot water side heat exchanger is turned off, the running frequency model of the DC frequency-changeable compressor It is a~b to enclose;Wherein, a ﹤ b ﹤ c.
The utility model embodiment is by the way that the high-pressure exhaust of refrigeration compressor to be connected the main valve pipe of four-way reversing valve Mouthful, form high pressure gas pipeline, the first magnetic valve of being connected in high pressure gas pipeline;Hot water side heat exchanger and the second magnetic valve string It is in parallel with the first magnetic valve on high pressure gas pipeline after connection, and heat preservation storage water tank connects with hot water side heat exchanger, forms hot water System, for preparing hot water for life;Air-conditioner tail end equipment connects the domestic hot water side heat exchanger, the temperature for carrying out the interior space Degree regulation, meets domestic water and is supplied water to water temperature and the different demands of water quality with air-conditioning.Additionally, using compression-type refrigeration technology knot Close turning on and off for the first magnetic valve and the second magnetic valve, there is provided freeze, heat, the hot water that freezes combination and heating hot water group The multiple-working modes such as conjunction, realization carries out running frequency regulation automatically according to mode of operation, the ring caused by coal heating is solved While the pollution problem of border, the effect of energy consumption is reduced.
Brief description of the drawings
Fig. 1 is the structural representation of the water chiller-heater unit that the utility model embodiment is provided;
Fig. 2 is the operation principle schematic diagram of the water chiller-heater unit that the utility model embodiment is provided;
Fig. 3 is the operation principle schematic diagram of the water chiller-heater unit that the utility model embodiment is provided;
Fig. 4 is the operation principle schematic diagram of the water chiller-heater unit that the utility model embodiment is provided;
Fig. 5 is the operation principle schematic diagram of the water chiller-heater unit that the utility model embodiment is provided.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein Described specific embodiment is used only for explanation the utility model, rather than to restriction of the present utility model.Further need exist for It is bright, for the ease of description, part rather than the entire infrastructure related to the utility model is illustrate only in accompanying drawing.
A kind of structural representation of water chiller-heater unit that Fig. 1 is provided for the utility model embodiment.The water chiller-heater unit bag Include:
Refrigeration compressor 101, hot water side heat exchanger 102, heat preservation storage water tank 103, at least two magnetic valves, four-way reversing valve 104th, air-side heat exchanger 105, bidirectional throttling device 106, domestic hot water side heat exchanger 107 and air-conditioner tail end equipment 108.
Wherein, the high-pressure exhaust of refrigeration compressor 101 connects the main valve mouth of pipe of four-way reversing valve 104, forms pressure high Air pipe, the first magnetic valve 109 of being connected in the high pressure gas pipeline realizes refrigeration by the break-make of the first magnetic valve 109 Whether the high-pressure exhaust of compressor 101 directly connects the main valve mouth of pipe of four-way reversing valve 104.
Another main valve mouth of pipe of the four-way reversing valve 104 is connected with the low pressure air suction mouthful of the refrigeration compressor 101, shape Into low pressure air suction pipeline.
Remaining two main valve mouths of pipe of the four-way reversing valve 104 connect air-side heat exchanger 105 respectively and air-conditioning side is changed Hot device 107, for by the domestic hot water side heat exchanger 107 and air-side heat exchanger 105 be respectively connected to the high pressure gas pipeline and The low pressure air suction pipeline, wherein, it is in series with bidirectional throttle between the air-side heat exchanger 105 and domestic hot water side heat exchanger 107 Device 106.
Four-way reversing valve 104 connects the high pressure gas pipeline and air-side heat exchanger of refrigeration compressor 101 when electricity is not gone up 105, high temperature refrigerant is delivered to air-side heat exchanger 105.Also, connect domestic hot water side heat exchanger 107 and low pressure air suction pipe Road, refrigeration compressor 101 is transmitted back to by low-temperature refrigerant, completes process of refrigerastion.Four-way reversing valve 104 is connected when upper electric The high-pressure exhaust and domestic hot water side heat exchanger 107 of refrigeration compressor 101, domestic hot water side heat exchanger is delivered to by high temperature refrigerant 107.Also, air-side heat exchanger 105 and low pressure air suction pipeline are connected, low-temperature refrigerant are transmitted back to refrigeration compressor 101, Complete heating operations.Upper electricity is in no, the connected state of four-way reversing valve 104 difference, it is possible to achieve the conversion of different working modes.Root Determine for domestic hot water side heat exchanger 107 to access high pressure gas pipeline or low pressure air suction pipeline according to functional requirement.Correspondingly, by air side Heat exchanger 105 accesses low pressure air suction management or high pressure gas pipeline.Exemplarily, refrigeration mode is worked in water chiller-heater unit When, air-side heat exchanger 105 is accessed into high pressure gas pipeline, correspondingly, domestic hot water side heat exchanger 107 is accessed into low pressure air suction pipe Road.When water chiller-heater unit works in heating mode, domestic hot water side heat exchanger is accessed into high pressure gas pipeline, correspondingly, by air Side heat exchanger 105 accesses low pressure air suction pipeline.
After the hot water side heat exchanger 102 is connected with the second magnetic valve 110, with described on the high pressure gas pipeline One magnetic valve 109 is in parallel, and the heat preservation storage water tank 103 is connected with hot water side heat exchanger 102, hot-water heating system is formed, for making Standby hot water for life.
The air-conditioner tail end equipment 108 connects the domestic hot water side heat exchanger 107, and the temperature for carrying out the interior space is adjusted Section.
In above-mentioned water chiller-heater unit, by controlling turning on and off for the first magnetic valve 109 and the second magnetic valve 110, When can realize needing to prepare hot water, by hot water side heat exchanger 102 be linked into refrigeration compressor 101 and four-way reversing valve 104 it Between, refrigeration compressor 101 is with the first Power operation.When that need not prepare hot water, cut-out hot water side heat exchanger 102 is changed with four-way To the connection of valve 104, refrigeration compressor 101 is set to be directly connected to four-way reversing valve 104, refrigeration compressor 101 is transported with the second power OK, wherein the second power is less than the first power, realize according to mode of operation adjust automatically running frequency.
Further, the hot-water heating system also includes temperature sensor and solenoid valve controller.
The temperature sensor is arranged in the heat preservation storage water tank, the temperature for gathering hot water in the heat preservation storage water tank Degrees of data;
The solenoid valve controller is electrically connected with the temperature sensor, the temperature for obtaining the temperature sensor collection Degrees of data, when the temperature data exceedes setting high temperature threshold value, the first magnetic valve 109 of control is connected, and the second magnetic valve 110 is closed It is disconnected, and when the temperature data is less than setting low temperature threshold, the first magnetic valve 109 of control is turned off, and the second magnetic valve 110 connects It is logical.Refrigeration compressor 101 adjusts the operation of itself frequently according to the first magnetic valve 109 and the status information of the second magnetic valve 110 Rate.According to the use habit of user, user is relatively fixed using the time of domestic hot-water, and domestic hot-water's is big not using In part-time, water chiller-heater unit can with all strength meet the demand of air-conditioning system, while the running frequency upper limit of refrigeration compressor Also it is corresponding to decline, because running frequency declines, the comprehensive energy efficiency that water chiller-heater unit runs under the mode of operation for not preparing hot water Get a promotion.
Further, the hot-water heating system also includes the first water pump 111, and first water pump 111 is connected on the hot water In side heat exchanger 102 and the pipeline of the heat preservation storage water tank 103.
Domestic water carries out heat exchange in hot water side heat exchanger 102 with high temperature refrigerant, realizes to domestic water Heating, is a heat exchange, it is to avoid the secondary heat exchange of coil-pipe water tank causes the problem of overall efficiency reduction.First water pump 111 Power is provided hot water is pumped into heat preservation storage water tank 103.
Heat preservation storage water tank 103 is used to store hot water and be incubated it, when the water temperature of heat preservation storage water tank 103 reaches setting value When, hot water side heat exchanger 102 controls the second magnetic valve 110 to be cut off by solenoid valve controller, no longer carries out hot water and produces;When When the water temperature of heat preservation storage water tank 103 is less than setting value, hot water side heat exchanger 102 controls the second magnetic valve by solenoid valve controller 110 open it, and carry out hot water and produce.
The hot-water heating system can also include hand valve 120, be connected in the pipeline of heat preservation storage water tank 103, be protected for switching Warm storage tank 103.
Further, the air-conditioner tail end equipment 108 is including in fan coil 112, grounding heat coil tube 113, fin 114 One or more of combination.
Further, above-mentioned water chiller-heater unit also includes water knockout drum 115 and water collector 116.
The domestic hot water side heat exchanger 107 series connection the second water pump 117 and water knockout drum 115, institute is connected by water knockout drum 115 respectively State the water inlet of the water inlet, the water inlet of grounding heat coil tube 113 and fin 114 of fan coil 112.
The water collector 116 connects the delivery port of the fan coil 112, the delivery port of grounding heat coil tube 113, radiating respectively The delivery port of piece 114 and the domestic hot water side heat exchanger 107, for collecting the fan coil 112, grounding heat coil tube 113 and/or dissipating After hot water in backing 114, output to the domestic hot water side heat exchanger 107.
Further, in the pipeline that catchments between the water inlet pipe mouth of the water collector 116 and the domestic hot water side heat exchanger 107 Series connection water filter 118, realizes filtering the water for entering domestic hot water side heat exchanger 107, filters air-conditioner tail end equipment 108 and flows out Water in the pollutant such as the dirt that may carry or anvil cinder, it is to avoid the pipeline of pollution domestic hot water side heat exchanger 107.
Wherein, the bidirectional throttling device 106 is electric expansion valve.
Wherein, the hot water side heat exchanger 102 and domestic hot water side heat exchanger 107 are plate type heat exchanger.
Wherein, the refrigeration compressor 101 is DC frequency-changeable compressor.
When domestic hot water side heat exchanger 107 and hot water side heat exchanger 102 are turned on, the operation of the DC frequency-changeable compressor is frequently Rate scope is a~c;
Connected in domestic hot water side heat exchanger 107, when hot water side heat exchanger 102 is turned off, the operation of the DC frequency-changeable compressor Frequency range is a~b;Wherein, a ﹤ b ﹤ c.
DC frequency-changeable compressor can realize the change of running frequency, and the frequency range of operation is by hot-water heating system and air-conditioning system The service condition of system determines that the upper limit of the frequency range of its operation is relatively used alone hot-water heating system and air-conditioning system are used simultaneously when It is high during air-conditioning system.Situation carries out the regulation of upper frequency limit according to demand can reach the effect of reducing energy consumption.DC frequency-changing pressure Contracting machine can also be replaced using multiple invariable frequency compressors.
In above-mentioned water chiller-heater unit, refrigeration compressor 101, hot water side heat exchanger 102, first the 109, second electricity of magnetic valve Magnet valve 110, four-way reversing valve 104, air-side heat exchanger 105, domestic hot water side heat exchanger 107, bidirectional throttling device 106 and gas-liquid point Fluorine system system is collectively formed from device 119, cold (heat) amount transmission between outside air and refrigerant is realized.Wherein, gas-liquid separator 119 are connected in the low pressure air suction pipeline of refrigeration compressor 101.The gaseous refrigerant and liquid of 119 pairs of inflows of gas-liquid separator Refrigerant is separated, it is ensured that the refrigerant for flowing to refrigeration compressor 101 is gaseous state, it is ensured that pressure of freezing in water chiller-heater unit The security and stability of the work of contracting machine 101.
Domestic hot water side heat exchanger 107, the second water pump 117, water knockout drum 115, air-conditioner tail end equipment 108, water collector 116 and water mistake Filter 118 collectively forms air-conditioning system, there is provided cold (heat) water needed for air adjustment, air-conditioner tail end equipment 108 can be as cold The bridge of (heat) water and air heat exchange.
Because hot-water heating system includes hot water side heat exchanger 102, the water pump 111 of heat preservation storage water tank 103 and first.Hot-water heating system and Air-conditioning system is respectively adopted different heat exchangers, and hot-water heating system is located at the front end of four-way reversing valve 104 of fluorine system system, air-conditioning system System realizes that domestic hot-water is completely isolated with what air-conditioning supplied water positioned at the rear end of four-way reversing valve 104 of fluorine system system, meets domestic hot-water The different quality demand supplied water with air-conditioning.
The detailed process of the system operation of water chiller-heater unit is as follows:
As shown in Fig. 2 wherein embodying the flow direction of refrigerant with arrow.Under refrigeration work pattern, the first magnetic valve 109 dozens Open, the second magnetic valve 110 is closed, four-way reversing valve 104 does not go up electricity, high-pressure exhaust and the air side of refrigeration compressor 101 are changed Hot device 105 is connected, and the low pressure air suction mouthful of refrigeration compressor 101 is connected with domestic hot water side heat exchanger 107.Pressed from refrigeration compressor 101 Contracting high temperature liquid refrigerant out is commutated by four-way reversing valve 104, air inlet side heat exchanger 105.By being forced to pass through The air of air-side heat exchanger 105 carries out condensing heat-exchange, and high temperature liquid refrigerant is condensed into low temperature liquid refrigerant outflow air After side heat exchanger 105, throttled by bidirectional throttling device 106, into domestic hot water side heat exchanger 107.Low temperature liquid refrigerant with The WATER AS FLOW MEDIUM heat exchange in domestic hot water side heat exchanger 107 is flowed through, liquid refrigerant is converted into gaseous refrigerant, medium due to evaporation Water heat release is lowered the temperature.If gaseous refrigerant heat is higher than WATER AS FLOW MEDIUM heat, there is heat between gaseous refrigerant and WATER AS FLOW MEDIUM again Amount is exchanged, and finally gives the cryogenic media water suitable with the heat of refrigerant, and cryogenic media water is transported into air-conditioner tail end equipment 108 purposes for reaching refrigeration.After gaseous state and the refrigerant outflow domestic hot water side heat exchanger 107 of liquid mixing, gas-liquid separator is flowed into 119, the liquid refrigerant mixed in removal gaseous refrigerant, gaseous refrigerant outflow gas-liquid separator 119 flows into refrigerant compression Machine 101, refrigeration compressor 101 compresses it into high temperature liquid refrigerant, continues cycling through aforesaid operations.
As shown in figure 3, wherein embodying the flow direction of refrigerant with arrow.In the case where mode of operation is heated, the first magnetic valve 109 dozens Open, the second magnetic valve 110 is closed, electricity on four-way reversing valve 104, high-pressure exhaust and the air-conditioning side of refrigeration compressor 101 exchange heat Device 107 is connected, and the low pressure air suction mouthful of refrigeration compressor 101 is connected with air-side heat exchanger 105.Compressed from refrigeration compressor 101 High temperature liquid refrigerant out is commutated by four-way reversing valve 104, into domestic hot water side heat exchanger 107, heat is carried out with WATER AS FLOW MEDIUM After amount is exchanged, gaseous refrigerant is converted into liquid refrigerant due to condensation, and WATER AS FLOW MEDIUM heat absorption heats up, if liquid refrigerant Heat is less than WATER AS FLOW MEDIUM heat, then heat exchange occurs again between liquid refrigerant and WATER AS FLOW MEDIUM, finally gives and refrigerant The suitable high-temperature medium water of heat, high-temperature medium water is transported to air-conditioner tail end equipment 108 and reaches the purpose that heats.Gaseous state and After the refrigerant outflow domestic hot water side heat exchanger 107 of liquid mixing, throttled by bidirectional throttling device 106, the heat exchange of air inlet side In device 105, liquid refrigerant is evaporated to gaseous refrigerant, gaseous refrigerant outflow by air-side heat exchanger 105 as evaporator Air-side heat exchanger 105, flows into gas-liquid separator 119, liquid refrigerant that may be present, gaseous state system in removal gaseous refrigerant Cryogen flows out gas-liquid separator 119, flows into refrigeration compressor 101, and refrigeration compressor 101 compresses it into the gaseous state of HTHP Refrigerant, continues cycling through aforesaid operations.
As shown in figure 4, wherein embodying the flow direction of refrigerant with arrow.In refrigeration+hot water (combination of refrigeration hot water) Working mould Under formula, the first magnetic valve 109 is closed, and the second magnetic valve 110 is opened, and four-way reversing valve 104 does not go up electricity, refrigeration compressor 101 High-pressure exhaust is connected with hot water side heat exchanger 102, low pressure air suction mouthful and the phase of domestic hot water side heat exchanger 107 of refrigeration compressor 101 Even.The high temperature liquid refrigerant for compressing out from refrigeration compressor 101 enters hot water side heat exchanger 102, with hot water side heat exchanger WATER AS FLOW MEDIUM in 102 is exchanged heat, and medium coolant-temperature gage raises the purpose for reaching water heating.The hot water for preparing is in the first water pump In the presence of 111, flow into heat preservation storage water tank 103 and store.In gaseous refrigerant and the heat exchanging process of hot water side heat exchanger 102 In, there may be part gaseous refrigerant exothermic condensation into liquid refrigerant.And then, the refrigerant outflow hot water of gas-liquid two-phase mixing Side heat exchanger 102, is commutated by four-way reversing valve 104, air inlet side heat exchanger 105, is exchanged heat by being forced to pass through air side The air of device 105 carries out condensing heat-exchange, and high temperature liquid refrigerant exothermic condensation is changed into outflow air side after low temperature liquid refrigerant Hot device 105, throttles by bidirectional throttling device 106, into domestic hot water side heat exchanger 107, low temperature liquid refrigerant with flow through sky The WATER AS FLOW MEDIUM heat exchange in side heat exchanger 107 is adjusted, liquid refrigerant is converted into gaseous refrigerant, WATER AS FLOW MEDIUM heat release due to evaporation Cooling.If gaseous refrigerant heat is higher than WATER AS FLOW MEDIUM heat, there is heat exchange between gaseous refrigerant and WATER AS FLOW MEDIUM again, The cryogenic media water suitable with the heat of refrigerant is finally given, cryogenic media water is transported into air-conditioner tail end equipment 108 reaches The purpose of refrigeration.After gaseous state and the refrigerant outflow domestic hot water side heat exchanger 107 of liquid mixing, by gas-liquid separator 119, removal Liquid refrigerant in gaseous refrigerant, gaseous refrigerant outflow gas-liquid separator 119 flows into refrigeration compressor 101, refrigeration pressure Contracting machine 101 compresses it into high temperature liquid refrigerant, continues cycling through aforesaid operations, reaches refrigeration and prepares the purpose of hot water.
As shown in figure 5, wherein embodying the flow direction of refrigerant with arrow.Heating+hot water (heating hot water combination) Working mould Under formula, the first magnetic valve 109 is opened, and the second magnetic valve 110 is closed, electricity, the height of refrigeration compressor 101 on four-way reversing valve 104 Pressure gas port is connected with hot water side heat exchanger 102, and the low pressure air suction mouthful of refrigeration compressor 101 is connected with air-side heat exchanger 105. The high temperature liquid refrigerant for compressing out from refrigeration compressor 101 enters hot water side heat exchanger 102, with hot water side heat exchanger 102 In WATER AS FLOW MEDIUM exchanged heat, medium coolant-temperature gage is raised and reaches the purpose of water heating.The hot water for preparing is in the first water pump 111 Under effect, flow into heat preservation storage water tank 103 and store.In the heat exchanging process of gaseous refrigerant and hot water side heat exchanger 102, may There is part gaseous refrigerant exothermic condensation into liquid refrigerant.And then, the refrigerant outflow hot water side heat exchange of gas-liquid two-phase mixing Device 102, is commutated by four-way reversing valve 104, into domestic hot water side heat exchanger 107, after carrying out condensing heat-exchange with WATER AS FLOW MEDIUM, and gaseous state Refrigerant is converted into liquid refrigerant due to condensation, and WATER AS FLOW MEDIUM heat absorption heats up, if liquid refrigerant heat is less than WATER AS FLOW MEDIUM , then there is heat exchange in heat, finally give the height suitable with the heat of refrigerant again between liquid refrigerant and WATER AS FLOW MEDIUM Warm WATER AS FLOW MEDIUM, is transported to high-temperature medium water air-conditioner tail end equipment 108 and reaches the purpose that heats.Gaseous state and the refrigeration of liquid mixing After agent outflow domestic hot water side heat exchanger 107, throttled by bidirectional throttling device 106, in air inlet side heat exchanger 105, air side Liquid refrigerant is evaporated to gaseous refrigerant, gaseous refrigerant outflow air-side heat exchanger by heat exchanger 105 as evaporator 105, flow into gas-liquid separator 119, liquid refrigerant that may be present in removal gaseous refrigerant, gaseous refrigerant outflow gas-liquid Separator 119, flows into refrigeration compressor 101, and refrigeration compressor 101 compresses it into the gaseous refrigerant of HTHP, continues Circulation aforesaid operations, reach the purpose for heating and preparing hot water.
The utility model embodiment is by the way that the high-pressure exhaust of refrigeration compressor to be connected the main valve pipe of four-way reversing valve Mouthful, form high pressure gas pipeline, the first magnetic valve of being connected in high pressure gas pipeline;Hot water side heat exchanger and the second magnetic valve string It is in parallel with the first magnetic valve on high pressure gas pipeline after connection, and heat preservation storage water tank connects with hot water side heat exchanger, forms hot water System, for preparing hot water for life;Air-conditioner tail end equipment connects the domestic hot water side heat exchanger, the temperature for carrying out the interior space Degree regulation, meets domestic water and is supplied water to water temperature and the different demands of water quality with air-conditioning.Additionally, using compression-type refrigeration technology knot Close turning on and off for the first magnetic valve and the second magnetic valve, there is provided freeze, heat, the hot water that freezes combination and heating hot water group The multiple-working modes such as conjunction, realization carries out running frequency regulation automatically according to mode of operation, the ring caused by coal heating is solved While the pollution problem of border, the effect of energy consumption is reduced.
Note, above are only preferred embodiment of the present utility model and institute's application technology principle.Those skilled in the art's meeting Understand, the utility model is not limited to specific embodiment described here, can carry out for a person skilled in the art various bright Aobvious change, readjust and substitute without departing from protection domain of the present utility model.Therefore, although by above example The utility model is described in further detail, but the utility model is not limited only to above example, is not departing from In the case that the utility model is conceived, more other Equivalent embodiments can also be included, and scope of the present utility model is by appended Right determine.

Claims (9)

1. a kind of water chiller-heater unit, it is characterised in that including:Refrigeration compressor, hot water side heat exchanger, heat preservation storage water tank, at least Two magnetic valves, four-way reversing valve, air-side heat exchanger, bidirectional throttling device, domestic hot water side heat exchanger and air-conditioner tail end equipments;
The high-pressure exhaust of the refrigeration compressor connects the main valve mouth of pipe of four-way reversing valve, high pressure gas pipeline is formed, in institute State and connect in high pressure gas pipeline the first magnetic valve;
Another main valve mouth of pipe of the four-way reversing valve is connected with the low pressure air suction mouthful of the refrigeration compressor, forms low pressure air suction Pipeline;
Remaining two main valve mouths of pipe of the four-way reversing valve connect air-side heat exchanger and domestic hot water side heat exchanger respectively, wherein, Bidirectional throttling device is in series between the air-side heat exchanger and domestic hot water side heat exchanger;
After the hot water side heat exchanger is connected with the second magnetic valve, with the high pressure gas pipeline on first magnetic valve simultaneously Join, and the heat preservation storage water tank is connected with hot water side heat exchanger, hot-water heating system is formed, for preparing hot water for life;
The air-conditioner tail end equipment connects the domestic hot water side heat exchanger, the temperature adjustment for carrying out the interior space.
2. water chiller-heater unit according to claim 1, it is characterised in that the hot-water heating system also include temperature sensor and Solenoid valve controller;
The temperature sensor is arranged in the heat preservation storage water tank, the temperature number for gathering hot water in the heat preservation storage water tank According to;
The solenoid valve controller is electrically connected with the temperature sensor, the temperature number for obtaining the temperature sensor collection According to when the temperature data exceedes setting high temperature threshold value, the first magnetic valve of control is connected, the second electromagnetism valve breakdown, Yi Ji When the temperature data is less than setting low temperature threshold, the first electromagnetism valve breakdown, the second magnetic valve is controlled to connect.
3. water chiller-heater unit according to claim 1, it is characterised in that the hot-water heating system also includes the first water pump, institute The first water pump is stated to be connected in the hot water side heat exchanger and the pipeline of the heat preservation storage water tank.
4. water chiller-heater unit according to claim 1, it is characterised in that the air-conditioner tail end equipment include fan coil, One or more in grounding heat coil tube, fin of combination.
5. water chiller-heater unit according to claim 4, it is characterised in that also including water knockout drum and water collector;
Domestic hot water side heat exchanger series connection the second water pump and the water knockout drum, the water inlet of the fan coil is connected by water knockout drum respectively The water inlet of mouth, the water inlet of grounding heat coil tube and fin;
The water collector connect respectively the delivery port of the fan coil, the delivery port of grounding heat coil tube, the delivery port of fin and The domestic hot water side heat exchanger, after collecting the hot water in the fan coil, grounding heat coil tube and/or fin, output to institute State domestic hot water side heat exchanger.
6. water chiller-heater unit according to claim 5, it is characterised in that the water collector and the domestic hot water side heat exchanger Connected in the pipeline that catchments between water inlet pipe mouth water filter.
7. water chiller-heater unit according to claim 1, it is characterised in that the bidirectional throttling device is electric expansion valve.
8. water chiller-heater unit according to claim 1, it is characterised in that the hot water side heat exchanger and domestic hot water side heat exchanger It is plate type heat exchanger.
9. water chiller-heater unit according to claim 1, it is characterised in that the refrigeration compressor is DC frequency-changing compression Machine;
When domestic hot water side heat exchanger and hot water side heat exchanger are turned on, the running frequency scope of the DC frequency-changeable compressor is a ~c;
Connected in domestic hot water side heat exchanger, when hot water side heat exchanger is turned off, the running frequency scope of the DC frequency-changeable compressor is a ~b;Wherein, a ﹤ b ﹤ c.
CN201621146548.8U 2016-10-21 2016-10-21 Cold and hot water unit Expired - Fee Related CN206207779U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621146548.8U CN206207779U (en) 2016-10-21 2016-10-21 Cold and hot water unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621146548.8U CN206207779U (en) 2016-10-21 2016-10-21 Cold and hot water unit

Publications (1)

Publication Number Publication Date
CN206207779U true CN206207779U (en) 2017-05-31

Family

ID=58757231

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621146548.8U Expired - Fee Related CN206207779U (en) 2016-10-21 2016-10-21 Cold and hot water unit

Country Status (1)

Country Link
CN (1) CN206207779U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106322812A (en) * 2016-10-21 2017-01-11 珠海格力电器股份有限公司 Cold and hot water unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106322812A (en) * 2016-10-21 2017-01-11 珠海格力电器股份有限公司 Cold and hot water unit
CN106322812B (en) * 2016-10-21 2018-10-16 珠海格力电器股份有限公司 Cold and hot water unit

Similar Documents

Publication Publication Date Title
CN106322812B (en) Cold and hot water unit
CN108759144A (en) A kind of superposition type ultra-low temperature air source heat pump unit and its control method
CN102997499A (en) Air source heat pump device capable of producing cold water and hot mater at same time
CN110779233A (en) An air source heat pump air conditioner floor heating hot water unit
CN109059335A (en) A kind of low-temperature air source heat pump unit
CN208794775U (en) A kind of superposition type ultra-low temperature air source heat pump unit
CN201363859Y (en) Air conditioning unit
CN106225280A (en) A kind of refrigeration or heat pump and a kind of Condensing units
CN201740300U (en) Secondary compression heat pump system with intermediate cooler
CN207893919U (en) A kind of mechanical refrigeration and auxiliary cold source two-way United system
CN208901671U (en) A kind of low-temperature air source heat pump unit
CN106871474A (en) Air-cooled water-cooled combined air-conditioning system
CN201909490U (en) Double-stage compression heat pump system
CN112351651B (en) Condenser, air conditioner special for air cooling machine room and control method of air conditioner special for air cooling machine room
CN206207779U (en) Cold and hot water unit
CN211177489U (en) Air source heat pump air conditioner floor heating hot water unit
CN206787108U (en) Air conditioner for both cooling and heating system with hot water function
CN214172433U (en) Water source heat pump groundwater formula vortex internal conversion heat recovery unit
CN213841162U (en) Utilize multiple source heat pump air conditioning system of clean energy
CN206771791U (en) Air-cooled water cooling combined air-conditioning system
CN207317310U (en) Using ice protection system outside the Passive House air conditioning chamber of check valve
CN207945758U (en) Air conditioning system
CN112344470A (en) Utilize multiple source heat pump air conditioning system of clean energy
CN112762532A (en) Water source heat pump groundwater formula vortex internal conversion heat recovery unit
CN207527746U (en) A kind of two-in-one villa Special air-conditioning system of earth source heat pump air energy heat pump

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170531

Termination date: 20211021