CN206207779U - Cold and hot water unit - Google Patents
Cold and hot water unit Download PDFInfo
- 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
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- heat exchanger
- side heat
- water
- hot water
- air
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 328
- 238000005057 refrigeration Methods 0.000 claims abstract description 61
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 238000004321 preservation Methods 0.000 claims abstract description 26
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 15
- 230000015556 catabolic process Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 239000003507 refrigerant Substances 0.000 description 77
- 239000007788 liquid Substances 0.000 description 46
- 238000004378 air conditioning Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 8
- 230000005611 electricity Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 230000033228 biological regulation Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000001351 cycling effect Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- -1 river Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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- 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
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.
Priority Applications (1)
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CN201621146548.8U CN206207779U (en) | 2016-10-21 | 2016-10-21 | Cold and hot water unit |
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CN201621146548.8U CN206207779U (en) | 2016-10-21 | 2016-10-21 | Cold and hot water unit |
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Publication Number | Publication Date |
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Family
ID=58757231
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CN201621146548.8U Expired - Fee Related CN206207779U (en) | 2016-10-21 | 2016-10-21 | Cold and hot water unit |
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Cited By (1)
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 |
-
2016
- 2016-10-21 CN CN201621146548.8U patent/CN206207779U/en not_active Expired - Fee Related
Cited By (2)
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 |
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Granted publication date: 20170531 Termination date: 20211021 |