CN209639153U - A kind of multi-element type recovery type heat air-conditioning system - Google Patents
A kind of multi-element type recovery type heat air-conditioning system Download PDFInfo
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- CN209639153U CN209639153U CN201920067543.3U CN201920067543U CN209639153U CN 209639153 U CN209639153 U CN 209639153U CN 201920067543 U CN201920067543 U CN 201920067543U CN 209639153 U CN209639153 U CN 209639153U
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Abstract
The utility model relates to technical field of energy utilization, a kind of multi-element type recovery type heat air-conditioning system is provided, including outdoor location and indoor set, outdoor location includes for outdoor compressor to be arranged in, including outdoor location and indoor set, outdoor location includes for outdoor compressor and outdoor unit to be arranged in, and compressor is used to refrigerant being changed into high-pressure gaseous state from low-pressure gas state；Indoor set includes at least two for the indoor unit of not chummery to be arranged indoors, and indoor unit can be respectively used to freeze or heat；Indoor unit is connected with each other, and indoor unit is connect with compressor and outdoor unit；Refrigerant is back to compressor after outdoor unit and indoor unit after compressor output；It can make full use of the heat and cooling capacity in the not chummery where indoor unit, effectively reduce energy consumption；Without cooling water pump, chilled water pump and cooling tower, reduce energy consumption, reduce system maintenance cost, installs more flexible.
Description
Technical field
The utility model relates to technical field of energy utilization, are to be related to a kind of multi-element type recovery type heat sky more specifically
Adjusting system.
Background technique
With the development of science and technology and national economy, people's lives level is increasingly improved, to the comfortable of living environment
More stringent requirements are proposed for property, and wherein air-conditioning is a kind of widely used household electrical appliance of people, can be used for heating, can also be with
For freezing, to provide living environment cool in summer and warm in winter for people.
Occupy sizable ratio in energy consumption consumed by the energy consumption of air-conditioning is daily in people, energy problem does not still allow to find pleasure in
It sees, it is still the direction of air-conditioning technical development and the power of advance that air conditioning energy consumption is reduced while providing air conditioning comfortableness.Mesh
Before, for house or middle-size and small-size office building with multiple rooms, the form of one machine of a Room is much all used, even if having
Air-conditioning system can be uniformly controlled multiple air-conditionings, but can only simultaneously cooling supply or heat supply simultaneously, indoor cooling capacity and
Heat is all not efficiently used, and causes the waste of the energy.
Utility model content
The purpose of this utility model is to provide a kind of multi-element type recovery type heat air-conditioning system, with solve in the prior art by
In indoor cooling capacity and heat can not be fully utilized and cause energy waste the technical issues of.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of multi-element type recovery type heat air-conditioning
System, including outdoor location and indoor set；
The outdoor location includes for outdoor compressor and outdoor unit, the outdoor unit and the compressor to be arranged in
Connection, the compressor are used to refrigerant being changed into high-pressure gaseous state from low-pressure gas state；
The indoor set includes at least two for the indoor unit of not chummery to be arranged indoors, and the indoor unit is mutual
It connects and can be respectively used to heat or freeze；
The indoor unit is all connected with the compressor and the outdoor unit；
Refrigerant returns to the compressor after the outdoor unit and the indoor unit after compressor output.
In one embodiment, the compressor is equipped with compressor outlet and compressor inlet；
The compressor outlet is connected with high-pressure gas pipe, and the compressor inlet is connected with low-pressure gas pipe；
The indoor unit is all connected with the high-pressure gas pipe and the low-pressure gas pipe；
The outdoor unit is all connected with the high-pressure gas pipe and the low-pressure gas pipe.
In one embodiment, the indoor unit includes heat exchanger, triple valve and expansion valve；
One end of the expansion valve is connect with the heat exchanger, the expansion of the other end of the expansion valve and another indoor unit
Valve connection；
Two interfaces ipsilateral positioned at the triple valve are connect with the high-pressure gas pipe and the low-pressure gas pipe respectively,
Another interface of the triple valve is connect with the heat exchanger.
In one embodiment, the triple valve is three-way magnetic valve.
In one embodiment, the triple valve is L-type triple valve or T-type triple valve.
In one embodiment, the expansion valve is electric expansion valve.
In one embodiment, the expansion valve is heating power expansion valve.
In one embodiment, the compressor is frequency-changeable compressor.
In one embodiment, the multi-element type recovery type heat air-conditioning system further includes control device；
The control device is all connected with the compressor, the outdoor unit and the indoor unit, at least for controlling institute
State the working condition of compressor, the outdoor unit and the indoor unit.
A kind of beneficial effect of multi-element type recovery type heat air-conditioning system provided by the utility model is: on the one hand, passing through
Outdoor unit is set within air-conditioning systems and at least two indoor units, indoor unit and outdoor unit are connect with compressor, while is indoor
It is connected with each other between machine, so as to realize indoor unit while heating, while refrigeration and the heating of part indoor unit, part indoor unit
The mode of refrigeration, not only can satisfy the requirement of several scenes, but also can make full use of indoor unit during the work time
Heat and cooling capacity in the not chummery at place, effectively reduce energy consumption, have saved the energy.On the other hand, multi-element type heat
Then without cooling water pump, chilled water pump and cooling tower in reclaiming type air-conditioning system, greatly reduce energy consumption, system maintenance at
This is also greatly reduced, and single unit system is simpler, is installed more flexible.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram of the first multi-element type recovery type heat air-conditioning system provided by the embodiment of the utility model；
Fig. 2 is the structure of indoor unit in the first multi-element type recovery type heat air-conditioning system provided by the embodiment of the utility model
Schematic diagram；
Fig. 3 is that the working principle of the first multi-element type recovery type heat air-conditioning system provided by the embodiment of the utility model is illustrated
Figure one；
Fig. 4 is that the working principle of the first multi-element type recovery type heat air-conditioning system provided by the embodiment of the utility model is illustrated
Figure two；
Fig. 5 is that the working principle of the first multi-element type recovery type heat air-conditioning system provided by the embodiment of the utility model is illustrated
Figure three；
Fig. 6 is the structural schematic diagram of second of multi-element type recovery type heat air-conditioning system provided by the embodiment of the utility model；
Fig. 7 is that the working principle of second of multi-element type recovery type heat air-conditioning system provided by the embodiment of the utility model is illustrated
Figure one；
Fig. 8 is that the working principle of second of multi-element type recovery type heat air-conditioning system provided by the embodiment of the utility model is illustrated
Figure two；
Fig. 9 is that the working principle of second of multi-element type recovery type heat air-conditioning system provided by the embodiment of the utility model is illustrated
Figure three.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
It should be noted that be referred to as " being fixed on " or " being set to " another component when component, it can directly or
It is located on another component indirectly.When a component referred to as " is connected to " another component, it can be directly or
It is connected on another component in succession.Term " on ", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top",
The orientation or position of the instructions such as "bottom", "inner", "outside" are orientation based on the figure or position, are merely for convenience of describing,
It should not be understood as the limitation to the technical program.Term " first ", " second " are used merely to facilitate description purpose, and should not be understood as
Indication or suggestion relative importance or the quantity for implicitly indicating technical characteristic.The meaning of " plurality " is two or more,
Unless otherwise specifically defined.
Referring to Fig. 1, a kind of multi-element type recovery type heat air-conditioning system, including outdoor location 10 and indoor set 20, it is outdoor
Device 10 includes for being arranged in outdoor compressor 11 and outdoor unit 12, and compressor 11 is used for refrigerant from low-pressure gas state
It is changed into high-pressure gaseous state；Indoor set 20 includes at least two for the indoor unit of not chummery, and room to be arranged indoors
Interior machine can be respectively used to freeze or heat；Indoor unit is connected with each other, and indoor unit is connect with compressor 11 and outdoor unit 12；Refrigerant
After the output of compressor 11, compressor 11 is back to after outdoor unit 12 and indoor unit.
It is illustrated with the situation that indoor unit quantity is two, in order to be distinguished to indoor unit, by two indoor units point
It is not denoted as the first indoor unit 21 and the second indoor unit 22, wherein the first indoor unit 21 is located in the first room, the second indoor unit 22
In the second room.Indoor unit can be respectively used to freeze or heat to refer to that the first indoor unit 21 and the second indoor unit 22 can be same
When for heating, can also be used to freeze simultaneously, can be with one for heating, one for freezing.
Referring to Fig. 3, in one case, the first indoor unit 21 and the second indoor unit 22 are used to freeze, it is outdoor at this time
Machine 12 is used for heat release.When the work of multi-element type recovery type heat air-conditioning system, refrigerant is high pressure gas when exporting from compressor 11,
It into outdoor unit 12, is flowed out after heat release from outdoor unit 12, refrigerant becomes highly pressurised liquid because of heat release at this time；Then part refrigerant after
Afterflow enters in the first indoor unit 21, flows out after heat absorption from the first indoor unit 21, refrigerant becomes low-pressure gas because of heat absorption at this time；Its
Waste cold matchmaker continues to flow into the second indoor unit 22, flows out after heat absorption from the second indoor unit 22, the part refrigerant becomes because of heat absorption at this time
At low-pressure gas；The refrigerant flowed out from the first indoor unit 21 and the second indoor unit 22 is back in compressor 11, and compressor 11 will
The refrigerant of low-pressure gas state is changed into high-pressure gaseous state, to realize circulation.
Referring to Fig. 4, in one case, the first indoor unit 21 and the second indoor unit 22 are used to heat, it is outdoor at this time
Machine 12 is for absorbing heat.When the work of multi-element type recovery type heat air-conditioning system, refrigerant is high pressure gas, portion when exporting from compressor 11
Divide refrigerant to flow into the first indoor unit 21, is flowed out from the first indoor unit 21 after heat release；Remaining refrigerant flows into the second indoor unit 22
In, it is flowed out from the second indoor unit 22 after heat release, refrigerant becomes highly pressurised liquid because of heat release at this time；From the second indoor unit 21 and second
The refrigerant that indoor unit 22 flows out continues to flow to outdoor unit 12, flows out from outdoor unit 12 after heat absorption, refrigerant is due to heat absorption at this time
Become low-pressure gas；The refrigerant flowed out from outdoor unit 12 is back in compressor 11, and compressor 11 is cold by low-pressure gas state
Matchmaker is changed into high-pressure gaseous state, to realize circulation.
Referring to Fig. 5, in one case, for the first indoor unit 21 for heating, the second indoor unit 22 is outdoor for freezing
Machine 12 is closed, for cold medium flux in the first indoor unit 21 of heating and cold medium flux phase in the second indoor unit 22 for refrigeration
Together.When the work of multi-element type recovery type heat air-conditioning system, refrigerant is high pressure gas when exporting from compressor 11, enters the first Room
It in interior machine 21, is flowed out after heat release from the first indoor unit 21, refrigerant becomes highly pressurised liquid because of heat release at this time；Then refrigerant continues to flow into
In second indoor unit 22, flowed out after heat absorption from the second indoor unit 22, refrigerant becomes low-pressure gas because of heat absorption at this time；From second Room
The refrigerant that interior machine 22 flows out is back in compressor 11, and the refrigerant of low-pressure gas state is changed into high pressure gas shape by compressor 11
State, to realize circulation.In another case, for the first indoor unit 21 for freezing, the second indoor unit 22 is outdoor for heating
Machine 12 is closed.When the work of multi-element type recovery type heat air-conditioning system, refrigerant is high pressure gas when exporting from compressor 11, is entered
It in second indoor unit 22, is flowed out after heat release from the second indoor unit 22, refrigerant becomes highly pressurised liquid because of heat release at this time；Then refrigerant after
Afterflow enters in the first indoor unit 21, flows out after heat absorption from the first indoor unit 21, refrigerant becomes low-pressure gas because of heat absorption at this time；From
The refrigerant of first indoor unit 21 outflow is back in compressor 11, and the refrigerant of low-pressure gas state is changed into high pressure by compressor 11
Gaseous state, to realize circulation.In entire cyclic process, the first indoor unit 21 and the second indoor unit 22 are heated respectively
And refrigeration reduces energy consumption so as to make full use of the cooling capacity and heat in the first room and the second room.
The beneficial effect of multi-element type recovery type heat air-conditioning system provided in this embodiment at least that:
(1) on the one hand, many at present all to use a Room for house or middle-size and small-size office building with multiple rooms
The form of one machine, mutually indepedent between air-conditioning, system entirety relative distribution, indoor cooling capacity and heat are all not efficiently used
Get up；Even if some air-conditioning systems can be uniformly controlled multiple air-conditionings, but can only simultaneously cooling supply or heat supply simultaneously,
It is unable to satisfy individual demand, while being also unable to fully cause the waste of the energy using indoor cooling capacity and heat.
The present embodiment then proposes a kind of completely new design method, by the way that outdoor unit and at least two are arranged within air-conditioning systems
A indoor unit, indoor unit and outdoor unit are connect with compressor, while being connected with each other between indoor unit, so as to realize indoor unit
It heats simultaneously, while refrigeration and the mode of the heating of part indoor unit, the indoor mechanism cold in part, not only can satisfy several scenes
Requirement, and can make full use of heat and cooling capacity in the not chummery where indoor unit during the work time, have
Effect reduces energy consumption, has saved the energy.
(2) on the other hand, current air-conditioning system usually requires setting cooling water pump, chilled water pump and cooling tower, these
Part accounts for most ratio in the energy consumption of air-conditioning system, while the maintenance cost of these parts is relatively high.This implementation
Then without cooling water pump, chilled water pump and cooling tower in the multi-element type recovery type heat air-conditioning system that example provides, greatly reduce
Energy consumption, system maintenance cost also greatly reduce, and single unit system is simpler, install more flexible.
In one embodiment, compressor 11 is equipped with compressor outlet and compressor inlet, and compressor outlet is connected with height
Flue 121 is pressed, compressor inlet is connected with low-pressure gas pipe 122, indoor unit and high-pressure gas pipe 121 and low-pressure gas pipe
122 are all connected with, and outdoor unit 12 is all connected with high-pressure gas pipe 121 and low-pressure gas pipe 122.Refrigerant is from compressor outlet stream
Out, and by high-pressure gas pipe 121 it is delivered in indoor unit, and enters low pressure gas after indoor unit and the exchange of 12 heat of outdoor unit
Body pipe 122 is finally back in compressor 11 through low-pressure gas pipe 122.
Compressor 11 is preferably frequency-changeable compressor, can be according to the refrigeration or heating situation dynamic adjustment work shape in room
State, to reach energy-efficient purpose.Such as multi-element type recovery type heat air-conditioning system, in preliminary work, the revolving speed of compressor 11 is opposite
Comparatively fast, output energy is larger, and room is quickly heated or freezed to facilitate indoor unit；And when room have reached it is pre-
If after temperature, only needing to maintain the temperature in room at this time, therefore the revolving speed of compressor 11 is relatively slow, output energy drop
It is low, to achieve the purpose that reduce energy consumption.
Referring to Fig. 2, in one embodiment, indoor unit and outdoor unit 12 include heat exchanger 201, triple valve 202 and
Expansion valve 203, heat exchanger 201 are equipped with heat exchanger first interface and heat exchanger second interface；One end of expansion valve 203 and heat exchanger
First interface connection, the other end of expansion valve 203 connect with remaining expansion valve 203, thus realize between indoor unit, indoor unit and
Interconnection between outdoor unit 12.Triple valve 202 is set there are three interface, wherein being located at two ipsilateral interfaces of triple valve 202
Respectively triple valve first interface and triple valve second interface, an interface positioned at 202 other side of triple valve are triple valve the
Three interfaces.Triple valve first interface and triple valve second interface are connect with high-pressure gas pipe 121 and low-pressure gas pipe 122 respectively,
Triple valve third interface is then connect with heat exchanger second interface.
Wherein, heat exchanger 201 is for carrying out heat exchange, when the temperature of refrigerant in inflow heat exchanger is higher than inflow heat exchanger
Medium temperature when, the heat of refrigerant can be transferred in medium, and the temperature of refrigerant can decline, and the temperature of medium can rise,
To which medium can heat room, heat exchanger 201 is used as condenser at this time.When the temperature of refrigerant in inflow heat exchanger
When degree is lower than the temperature of the medium of inflow heat exchanger, the heat of medium can be transferred in refrigerant, and the temperature of refrigerant can rise, and be situated between
The temperature of matter can decline, so that medium can absorb heat to room, so that room temperature reduces, and 201 conduct of heat exchanger at this time
Evaporator uses.
Triple valve 202 is mainly used for changing flow direction of the refrigerant in heat exchanger 201.For example, when triple valve first connects
When mouth and triple valve third orifice, refrigerant is from 121 inflow heat exchanger 201 of high-pressure gas pipe；When triple valve second interface
When with triple valve third orifice, refrigerant flows into low-pressure gas pipe 122 from heat exchanger 201；When triple valve first interface and
When triple valve second interface is connected to, refrigerant is then not passed through the heat exchanger 201, but directly flows into low pressure from high-pressure gas pipe 121
In flue 122；When triple valve 202 is closed, refrigerant is not flowed into then in the heat exchanger 201.Therefore, according to triple valve 202
The adjusting of connected state, thus it is possible to vary the flow direction of refrigerant.
In one embodiment, triple valve 202 is T-type triple valve, and T-type triple valve may be implemented between any two interface
Connection, it can realize triple valve first interface and triple valve third orifice, triple valve second interface and triple valve the
Three orifices and triple valve first interface are connected to triple valve second interface.
In one embodiment, triple valve 202 is L-type triple valve, and L-type triple valve is interior, and there are two branch flow pipe, Ke Yishi
Existing triple valve first interface and triple valve third interface be connected to and the company of triple valve second interface and triple valve third interface
It is logical.
In one embodiment, triple valve 202 is three-way magnetic valve, such as can be two-position three way magnetic valve.Two three
Three-way electromagnetic valve is twin coil control, and closing power supply, valve are opened after a coil moment is powered, and is closed after the energization of another coil moment
Close power supply, valve is closed.It can not only realize the circulation of different branch flow pipes by the control to its working condition, to change
The flow direction of refrigerant, and can remain turned-off for a long time or opening state, coil life can be made longer.For example, by pair
Two-position three way magnetic valve is controlled, and is in the first working condition, at this time triple valve first interface and triple valve third interface
Connection, refrigerant is from 121 inflow heat exchanger 201 of high-pressure gas pipe, and the heat release in heat exchanger 201, to add to room
Heat.By controlling two-position three way magnetic valve, it is in the second working condition, at this time triple valve second interface and triple valve
Third orifice, refrigerant are flowed into high-pressure gas pipe from heat exchanger 201, and are absorbed heat in heat exchanger 201, thus to room into
Row cooling.By controlling two-position three way magnetic valve, it is in third working condition, two-position three way magnetic valve is at this time
Closed state, refrigerant are not passed through the heat exchanger 201.
It should be understood that in other embodiments, solenoid valve can also be other forms, it is not limited in above-mentioned feelings
Shape.
Expansion valve 203 can make the refrigerant of highly pressurised liquid state become low-pressure steam by its throttling, then refrigerant stream
Enter in heat exchanger 201 and absorb heat, so as to reach refrigeration effect.For example, in one case, the expanded valve 203 of refrigerant
The heat exchanger 201 being directly connected to the expansion valve 203 is flowed into, refrigerant is highly pressurised liquid state at this time, by 203 turns of the expansion valve
Become low-pressure steam state and enter heat exchanger 201 (heat exchanger 201 is equivalent to evaporator at this time), to freeze.Another
In the case of kind, refrigerant flows out to expansion valve 203 through heat exchanger 201, and flows out in another indoor unit after the expansion valve 203,
It is at this time high-pressure gaseous state into the refrigerant of heat exchanger 201, refrigerant is changed into highly pressurised liquid state cocurrent after heat exchanger 201
Out to (heat exchanger 201 is equivalent to cold energy device at this time) at expansion valve 203, it is changed into low-pressure steam state after expanded valve 203, so
After flow out to another indoor unit.
In one embodiment, expansion valve 203 is electric expansion valve, and electric expansion valve is that one kind can be entered by pre-set programs
The restricting element of the cold medium flux of refrigerating plant, using the electric signal for being conditioned parameter generation, control is applied on expansion valve
Voltage or electric current, and then achieve the purpose that adjust liquid supply rate, can be electromagnetic-type electronic expansion valve or electrodynamic type electronic expansion
Valve.In other embodiments, expansion valve 203 can also be heating power expansion valve.
In one embodiment, in order to control outdoor location 10 and indoor set 20, multi-element type recovery type heat is empty
Adjusting system further includes control device, and control device is all connected with compressor 11, outdoor unit 12 and indoor unit, at least for controlling pressure
The working condition of all parts in contracting machine 11, outdoor unit 12 and indoor unit.Such as:
Control device is connect with compressor 11, for controlling the working condition of compressor 11, including control compressor 11
It opens and closes, the revolving speed of compressor 11, to control the output energy of compressor 11, reduces energy consumption, it is energy saving.
Control device is connect with heat exchanger 201, for controlling the working condition of heat exchanger 201, so that refrigerant can
Heat exchange is smoothly carried out in heat exchanger 201.
Control device is connect with triple valve 202, and for controlling the operating mode of triple valve 202, it is opposite to can control refrigerant
The flow direction of heat exchanger 201, so as to adjust the operating mode of heat exchanger 201 (as evaporator still as condensation
Device).
Control device is connect with expansion valve 203, for controlling the working condition of expansion valve 203, so as to adjust refrigerant
Flow.
The embodiment of several multi-element type recovery type heat air-conditioning systems presented below, it should be appreciated that multi-element type recuperation of heat
The specific situation of type air-conditioning system is not limited in following situations.
Referring to Fig. 1, embodiment one: the quantity of indoor unit is two.
A kind of multi-element type recovery type heat air-conditioning system, including outdoor location 10 and indoor set 20.
Outdoor location 10 include for being arranged in outdoor compressor 11 and outdoor unit 12, compressor 11 be used for by refrigerant from
Low-pressure gas state is changed into high-pressure gaseous state, and compressor 11 is equipped with compressor outlet and compressor inlet, compressor outlet
It is connected with high-pressure gas pipe 121, compressor inlet is connected with low-pressure gas pipe 122.
Outdoor unit 12 includes outdoor unit heat exchanger 121, outdoor unit triple valve 122 and outdoor unit expansion valve 123, outdoor unit
Heat exchanger 121 is set there are two interface, and one end of outdoor unit expansion valve 123 is connect with an interface of outdoor unit heat exchanger 121；Room
Outer machine triple valve 122 is set there are three interface, wherein be located outside two ipsilateral interfaces of machine triple valve 122 respectively with high pressure gas
Pipe 121 and low-pressure gas pipe 122 connect, and another interface of outdoor unit triple valve 122 and another interface of First Heat Exchanger 211 connect
It connects.
Indoor set 20 includes two for the indoor unit of not chummery to be arranged indoors, is denoted as the first indoor unit 21 respectively
With the second indoor unit 22.First indoor unit 21 includes First Heat Exchanger 211, the first triple valve 212 and the first expansion valve 213,
First Heat Exchanger 211 is set there are two interface, and one end of the first expansion valve 203 is connect with an interface of First Heat Exchanger 211；The
One triple valve 212 is set there are three interface, wherein be located at two ipsilateral interfaces of the first triple valve 212 respectively with high-pressure gas pipe
121 and low-pressure gas pipe 122 connect, another interface of the first triple valve 212 connect with another interface of First Heat Exchanger 211.
Second indoor unit 22 includes the second heat exchanger 221, the second triple valve 222 and the second expansion valve 223, and the second heat exchanger 211 is set
There are two interfaces, and one end of the second expansion valve 223 is connect with an interface of the second heat exchanger 221；Second triple valve 222 is equipped with
Three interfaces, wherein be located at ipsilateral two interfaces of the second triple valve 222 respectively with high-pressure gas pipe 121 and low-pressure gas pipe
122 connections, another interface of the second triple valve 222 are connect with another interface of the second heat exchanger 221.Outdoor unit expansion valve 123,
First expansion valve 213 and the connection of the second expansion valve 223.
Referring to Fig. 3, in one case, the first indoor unit 21 and the second indoor unit 22 are used to refrigeration (the first heat exchange
Device 211 and the second heat exchanger 221 are equivalent to evaporator), for heat release, (outdoor unit heat exchanger 121 is equivalent to outdoor unit 12 at this time
Condenser).When the work of multi-element type recovery type heat air-conditioning system, refrigerant is high pressure gas when exporting from compressor 11, is passed through
Outdoor unit triple valve 122 enters in outdoor unit heat exchanger 121, flows out after heat release from outdoor unit heat exchanger 121, refrigerant is because putting at this time
Thermal change flows out to the first expansion valve 213 and the second expansion valve 223 at highly pressurised liquid, and through outdoor unit expansion valve 123.Flow into first
The part refrigerant of expansion valve 213 is changed into low-pressure steam through the first expansion valve 213, and refrigerant is input to First Heat Exchanger 211；
The part refrigerant for flowing into the second expansion valve 223 is changed into low-pressure steam through the second expansion valve 223, and refrigerant is input to second and is changed
Hot device 221.Refrigerant is changed into low-pressure gas after absorbing heat in First Heat Exchanger 211 and the second heat exchanger 221, and flows out to low pressure
Flue 122.The refrigerant of low-pressure gas state is back in compressor 11 from low-pressure gas pipe 122；Compressor 11 is by low pressure gas
The refrigerant of body state is changed into high-pressure gaseous state, to realize circulation.Certainly, during the work time, 21 He of the first indoor unit
Second indoor unit 22 can be used for heating, and outdoor unit 12 can be used for freezing.
Referring to Fig. 4, in one case, the first indoor unit 21 and the second indoor unit 22 are used to heating (the first heat exchange
Device 211 and the second heat exchanger 221 are equivalent to condenser), for absorbing heat, (outdoor unit heat exchanger 121 is equivalent to outdoor unit 12 at this time
Evaporator).When the work of multi-element type recovery type heat air-conditioning system, refrigerant is high pressure gas when exporting from compressor 11, and part is cold
Matchmaker is entered in First Heat Exchanger 211 by the first triple valve 212, is flowed out from First Heat Exchanger 211 after heat release；Remaining refrigerant is logical
It crosses the second triple valve 222 to enter in the second heat exchanger 221, be flowed out from the second heat exchanger 221 after heat release, refrigerant is because of heat release at this time
Become highly pressurised liquid；The refrigerant flowed out from First Heat Exchanger 211 and the second heat exchanger 221 continues to flow to outdoor unit expansion valve
123.The refrigerant of highly pressurised liquid state is changed into low-pressure steam after outdoor unit expansion valve 123, is then input to outdoor unit heat exchange
Device 121；It is flowed out from outdoor unit heat exchanger 121 after refrigerant heat absorption, refrigerant becomes low-pressure gas because of heat absorption at this time；From outdoor unit
The refrigerant that heat exchanger 121 flows out is back in compressor 11, and the refrigerant of low-pressure gas state is changed into high pressure gas by compressor 11
Body state, to realize circulation.
Referring to Fig. 5, in one case, for heating, (First Heat Exchanger 211 is equivalent to condensation to the first indoor unit 21
Device), the second indoor unit 22 for freezing (the second heat exchanger 221 is equivalent to evaporator), close by outdoor unit 12, for heating
Cold medium flux is identical as cold medium flux in the second indoor unit 22 for refrigeration in one indoor unit 21.Refrigerant is defeated from compressor outlet
It is high pressure gas when out to high-pressure gas pipe 121, is entered in First Heat Exchanger 211 by the first triple valve 212, is turned after heat release
Become highly pressurised liquid, and flows out to the second expansion valve 223 through the first expansion valve 213；Second expansion valve 223 is by refrigerant from high pressure liquid
Body is changed into low-pressure steam, and refrigerant is input to the second heat exchanger 221；Refrigerant changes after absorbing heat in the second heat exchanger 221
For low-pressure gas, and low-pressure gas pipe 122 is flowed out to through the second triple valve 222；The refrigerant of low-pressure gas state is from low-pressure gas
Pipe 122 is back in compressor 11；The refrigerant of low-pressure gas state is changed into high-pressure gaseous state by compressor 11, to realize
Circulation.Certainly, during the work time, the first indoor unit 21 can be used for freezing, and the second indoor unit 22 can be used for heating.
In entire cyclic process, the first indoor unit 21 and the second indoor unit 22 are heated and are freezed respectively, so as to sufficiently benefit
With the cooling capacity and heat in the first room and the second room, energy consumption is reduced.
Referring to Fig. 6, embodiment two: the quantity of indoor unit is three.
A kind of multi-element type recovery type heat air-conditioning system, including outdoor location 10 and indoor set 20.
Outdoor location 10 include for being arranged in outdoor compressor 11 and outdoor unit 12, compressor 11 be used for by refrigerant from
Low-pressure gas state is changed into high-pressure gaseous state, and compressor 11 is equipped with compressor outlet and compressor inlet, compressor outlet
It is connected with high-pressure gas pipe 121, compressor inlet is connected with low-pressure gas pipe 122.
Outdoor unit 12 includes outdoor unit heat exchanger 121, outdoor unit triple valve 122 and outdoor unit expansion valve 123, outdoor unit
Heat exchanger 121 is set there are two interface, and one end of outdoor unit expansion valve 123 is connect with an interface of outdoor unit heat exchanger 121；Room
Outer machine triple valve 122 is set there are three interface, wherein be located outside two ipsilateral interfaces of machine triple valve 122 respectively with high pressure gas
Pipe 121 and low-pressure gas pipe 122 connect, and another interface of outdoor unit triple valve 122 and another interface of First Heat Exchanger 211 connect
It connects.
Indoor set 20 includes three for the indoor unit of not chummery to be arranged indoors, is denoted as the first indoor unit respectively
21, the second indoor unit 22 and third indoor unit 23.
First indoor unit 21 includes First Heat Exchanger 211, the first triple valve 212 and the first expansion valve 213, the first heat exchange
Device 211 is set there are two interface, and one end of the first expansion valve 203 is connect with an interface of First Heat Exchanger 211；First triple valve
212 set there are three interface, wherein be located at two ipsilateral interfaces of the first triple valve 212 respectively with high-pressure gas pipe 121 and low pressure
Flue 122 connects, and another interface of the first triple valve 212 is connect with another interface of First Heat Exchanger 211.
Second indoor unit 22 includes the second heat exchanger 221, the second triple valve 222 and the second expansion valve 223, the second heat exchange
Device 211 is set there are two interface, and one end of the second expansion valve 223 is connect with an interface of the second heat exchanger 221；Second triple valve
222 set there are three interface, wherein be located at two ipsilateral interfaces of the second triple valve 222 respectively with high-pressure gas pipe 121 and low pressure
Flue 122 connects, and another interface of the second triple valve 222 is connect with another interface of the second heat exchanger 221.
Third indoor unit 23 includes third heat exchanger 231, third triple valve 232 and third expansion valve 233, third heat exchange
Device 231 is set there are two interface, and one end of third expansion valve 233 is connect with an interface of third heat exchanger 231；Third triple valve
232 set there are three interface, wherein be located at two ipsilateral interfaces of third triple valve 232 respectively with high-pressure gas pipe 121 and low pressure
Flue 122 connects, and another interface of third triple valve 232 is connect with another interface of third heat exchanger 231.
Outdoor unit expansion valve 123, the first expansion valve 213, the second expansion valve 223 and third expansion valve 233 are connected with each other.
Referring to Fig. 7, in one case, the first indoor unit 21 to third indoor unit 23 is used to refrigeration (the first heat exchange
Device 211 to third heat exchanger 213 is equivalent to evaporator), for heat release, (outdoor unit heat exchanger 121 is equivalent to outdoor unit 12 at this time
Condenser).When the work of multi-element type recovery type heat air-conditioning system, refrigerant is high pressure gas when exporting from compressor 11, is passed through
Outdoor unit triple valve 122 enters in outdoor unit heat exchanger 121, flows out after heat release from outdoor unit heat exchanger 121, refrigerant is because putting at this time
Thermal change is at highly pressurised liquid, and it is swollen through outdoor unit expansion valve 123 to flow out to the first expansion valve 213, the second expansion valve 223 and third
Swollen valve 233.The part refrigerant for flowing into the first expansion valve 213 is changed into low-pressure steam through the first expansion valve 213, and refrigerant is inputted
To First Heat Exchanger 211；The part refrigerant for flowing into the second expansion valve 223 is changed into low-pressure steam through the second expansion valve 223, and will
Refrigerant is input to the second heat exchanger 221；The part refrigerant for flowing into third expansion valve 233 is changed into low pressure through third expansion valve 233
Steam, and refrigerant is input to third heat exchanger 231.Refrigerant is changed in First Heat Exchanger 211, the second heat exchanger 221 and third
It is changed into low-pressure gas after absorbing heat in hot device 231, and flows out to low-pressure gas pipe 122.The refrigerant of low-pressure gas state is from low pressure
Flue 122 is back in compressor 11；The refrigerant of low-pressure gas state is changed into high-pressure gaseous state by compressor 11, thus
Realize circulation.
Referring to Fig. 8, in one case, the first indoor unit 21 to third indoor unit 23 is used to heating (the first heat exchange
Device 211 to third heat exchanger 231 is equivalent to condenser), for absorbing heat, (outdoor unit heat exchanger 121 is equivalent to outdoor unit 12 at this time
Evaporator).When the work of multi-element type recovery type heat air-conditioning system, refrigerant is high pressure gas when exporting from compressor 11, and part is cold
Matchmaker is entered in First Heat Exchanger 211 by the first triple valve 212, is flowed out from First Heat Exchanger 211 after heat release；Part refrigerant is logical
It crosses the second triple valve 222 to enter in the second heat exchanger 221, be flowed out from the second heat exchanger 221 after heat release；Remaining refrigerant passes through the
Three triple valves 232 enter in third heat exchanger 231, flow out from third heat exchanger 231 after heat release, and refrigerant becomes because of heat release at this time
Highly pressurised liquid；The refrigerant flowed out from First Heat Exchanger 211 to third heat exchanger 231 continues to flow to outdoor unit expansion valve 123.It is high
The refrigerant of press liquid state is changed into low-pressure steam after outdoor unit expansion valve 123, is then input to outdoor unit heat exchanger 121；
It is flowed out from outdoor unit heat exchanger 121 after refrigerant heat absorption, refrigerant becomes low-pressure gas because of heat absorption at this time；From outdoor unit heat exchanger
The refrigerant of 121 outflows is back in compressor 11, and the refrigerant of low-pressure gas state is changed into high-pressure gaseous state by compressor 11,
To realize circulation.
Referring to Fig. 9, in one case, for heating, (First Heat Exchanger 211 is equivalent to condensation to the first indoor unit 21
Device), (the second heat exchanger 221 and point heat exchanger 231 are equivalent to evaporation for freezing for the second indoor unit 22 and third indoor unit 23
Device), outdoor unit 12 is closed, cold medium flux in cold medium flux and the second indoor unit 22 and third indoor unit 23 in the first indoor unit 21
Total amount is identical.
Be high pressure gas when refrigerant is exported from compressor outlet to high-pressure gas pipe 121, by the first triple valve 212 into
Enter in First Heat Exchanger 211, is changed into highly pressurised liquid after heat release, and flow out through the first expansion valve 213, a part of refrigerant flows into
Second expansion valve 223, another part refrigerant flow out to third expansion valve 233.Second expansion valve 223 turns refrigerant from highly pressurised liquid
Become low-pressure steam, refrigerant flows into the second heat exchanger 221 through the second expansion valve 223；After refrigerant absorbs heat in the second heat exchanger 221
It is changed into low-pressure gas, and flows out to low-pressure gas pipe 122 through the second triple valve 222.Third expansion valve 233 is by refrigerant from high pressure
Liquid is changed into low-pressure steam, and refrigerant flows into third heat exchanger 231 through third expansion valve 233；Refrigerant is in third heat exchanger 231
It is changed into low-pressure gas after heat absorption, and flows out to low-pressure gas pipe 122 through third triple valve 232.The refrigerant of low-pressure gas state
It is back in compressor 11 from low-pressure gas pipe 122；The refrigerant of low-pressure gas state is changed into high pressure gas shape by compressor 11
State, to realize circulation.Certainly, during the work time, the first indoor unit 21 can be used for freezing, the second indoor unit 22 and
Three indoor units 23 can be used for heating；The first indoor unit 21 be can also be for heating, the second indoor unit 22 is used to freeze, the
Three indoor units 23 are closed；It can also be other situations, herein with no restrictions.In entire cyclic process, the heating of part indoor unit,
The indoor mechanism cold in part reduces energy consumption so as to make full use of the cooling capacity and heat in room.
In other embodiments, the quantity of indoor unit can also be four or more, and specific operating mode can
With reference to said circumstances, details are not described herein again.
The beneficial effect of multi-element type recovery type heat air-conditioning system provided in this embodiment at least that:
(1) many at present all using one machine of a Room for house or middle-size and small-size office building with multiple rooms
Form, mutually indepedent between air-conditioning, system entirety relative distribution, indoor cooling capacity and heat are all not efficiently used；
Even if some air-conditioning systems can be uniformly controlled multiple air-conditionings, but can only simultaneously cooling supply or heat supply simultaneously, can not
It meets individual requirements, while being also unable to fully cause the waste of the energy using indoor cooling capacity and heat.
The present embodiment then proposes a kind of completely new design method, by the way that outdoor unit and at least two are arranged within air-conditioning systems
A indoor unit, indoor unit and outdoor unit are connect with compressor, while being connected with each other between indoor unit, so as to realize indoor unit
It heats simultaneously, while refrigeration and the mode of the heating of part indoor unit, the indoor mechanism cold in part, not only can satisfy several scenes
Requirement, and can make full use of heat and cooling capacity in the not chummery where indoor unit during the work time, have
Effect reduces energy consumption, has saved the energy.
(2) current air-conditioning system usually requires setting cooling water pump, chilled water pump and cooling tower, these parts are in air-conditioning
Most ratio is accounted in the energy consumption of system, while the maintenance cost of these parts is relatively high.It is provided in this embodiment more
Energy consumption, system then are greatly reduced without cooling water pump, chilled water pump and cooling tower in first formula recovery type heat air-conditioning system
Maintenance cost also greatly reduces, and single unit system is simpler, and installation is more flexible, and puts master without individual Air Conditioning Facilities
Machine, outdoor location can be with outdoor layouts.
(3) compressor 11 uses frequency-changeable compressor, can be cold using frequency control according to the different service conditions of indoor unit
The flow of matchmaker, so as to reach energy conservation and comfortable purpose.
(4) use of three-way magnetic valve and electric expansion valve, so that the operating mode of heat exchanger 201 is (also as evaporator
It is as condenser) it can be adjusted by control device, it is simple to operate.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (9)
1. a kind of multi-element type recovery type heat air-conditioning system, which is characterized in that including outdoor location and indoor set；
The outdoor location includes for outdoor compressor and outdoor unit to be arranged in, and the outdoor unit and the compressor connect
It connects, the compressor is used to refrigerant being changed into high-pressure gaseous state from low-pressure gas state；
The indoor set includes at least two for the indoor unit of not chummery to be arranged indoors, and the indoor unit is connected with each other
And it can be respectively used to heat or freeze；
The indoor unit is all connected with the compressor and the outdoor unit；
Refrigerant returns to the compressor after the outdoor unit and the indoor unit after compressor output.
2. multi-element type recovery type heat air-conditioning system as described in claim 1, which is characterized in that the compressor is equipped with compressor
Outlet and compressor inlet；
The compressor outlet is connected with high-pressure gas pipe, and the compressor inlet is connected with low-pressure gas pipe；
The indoor unit is all connected with the high-pressure gas pipe and the low-pressure gas pipe；
The outdoor unit is all connected with the high-pressure gas pipe and the low-pressure gas pipe.
3. multi-element type recovery type heat air-conditioning system as claimed in claim 2, which is characterized in that the indoor unit includes heat exchange
Device, triple valve and expansion valve；
One end of the expansion valve is connect with the heat exchanger, and the other end of the expansion valve is connect with remaining expansion valve；
Two interfaces ipsilateral positioned at the triple valve are connect with the high-pressure gas pipe and the low-pressure gas pipe respectively, described
Another interface of triple valve is connect with the heat exchanger.
4. multi-element type recovery type heat air-conditioning system as claimed in claim 3, which is characterized in that the triple valve is threeway electromagnetism
Valve.
5. multi-element type recovery type heat air-conditioning system as claimed in claim 3, which is characterized in that the triple valve is L-type threeway
Valve or T-type triple valve.
6. multi-element type recovery type heat air-conditioning system as claimed in claim 3, which is characterized in that the expansion valve is electronic expansion
Valve.
7. multi-element type recovery type heat air-conditioning system as claimed in claim 3, which is characterized in that the expansion valve is thermal expansion
Valve.
8. multi-element type recovery type heat air-conditioning system as described in claim 1, which is characterized in that the compressor is frequency conversion compression
Machine.
9. multi-element type recovery type heat air-conditioning system as described in any one of claims 1 to 8, which is characterized in that the multi-element type
Recovery type heat air-conditioning system further includes control device；
The control device is all connected with the compressor, the outdoor unit and the indoor unit, at least for controlling the pressure
The working condition of contracting machine, the outdoor unit and the indoor unit.
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| CN109654612A (en) * | 2019-01-16 | 2019-04-19 | 新奥数能科技有限公司 | A kind of multi-element type recovery type heat air-conditioning system |
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