CN205536652U - Heat pump system - Google Patents
Heat pump system Download PDFInfo
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- CN205536652U CN205536652U CN201620213462.6U CN201620213462U CN205536652U CN 205536652 U CN205536652 U CN 205536652U CN 201620213462 U CN201620213462 U CN 201620213462U CN 205536652 U CN205536652 U CN 205536652U
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Abstract
The utility model discloses a heat pump system, include: first heat exchanger, second heat exchanger, compressor, control valve, vapour and liquid separator and orifice union, the compressor has induction port and gas vent, the control valve has first valve port to a fourth valve port, and first valve port links to each other with the gas vent, and the second valve port links to each other with the one end of first heat exchanger, and the third valve port links to each other with the induction port, and the fourth valve port links to each other with the one end of second heat exchanger, when first valve port and third valve port in one of them during with second valve port intercommunication another and fourth valve port in first valve port and the third valve port communicate, vapour and liquid separator has first connector, second connector and export, and first connector links to each other with the other end of first heat exchanger, and the second connector links to each other with the other end of second heat exchanger, and the export links to each other with the induction port, the upper reaches at vapour and liquid separator are connected to the orifice union. According to the utility model discloses a heat pump system can promote for example heat pump air conditioning system's operating efficiency of heat pump system.
Description
Technical field
This utility model relates to refrigeration technology field, especially relates to a kind of heat pump.
Background technology
In correlation technique, use gas-liquid separator at present, the gas after throttling is separated, use bypass mode to enter
The air entry of compressor, reduces evaporator inlet mass dryness fraction, thus promotes evaporator heat exchange ability and reduce evaporator pressure
Loss, reaches to promote running efficiency of system.Single cold or single heat pump is easily realized, but to heat pump type air conditioning system relatively
Gas after throttling can be separated under the conditions of freezing and heating by difficult realization.
Utility model content
This utility model is intended at least to solve one of technical problem present in prior art.To this end, of the present utility model one
Individual purpose is to propose a kind of heat pump, and the operational efficiency of described heat pump is high.
According to heat pump of the present utility model, including: First Heat Exchanger；Second heat exchanger；Compressor, described compression
Facility have air entry and air vent；Control valve, described control valve has the first valve port to the 4th valve port, described first valve
Mouth is connected with described air vent, and the second valve port is connected with one end of First Heat Exchanger, the 3rd valve port and described air entry phase
Even, one end of described 4th valve port and the second heat exchanger is connected, when its in described first valve port and described 3rd valve port
In first valve port described in when connecting with described second valve port and another in described 3rd valve port and described 4th valve
Mouth connection；Gas-liquid separator, described gas-liquid separator has the first connector, the second connector and an outlet, and described
One connector is connected with the other end of described First Heat Exchanger, another of described second connector and described second heat exchanger
End is connected, and described outlet is connected with described air entry；And orifice union, described orifice union is connected to described gas-liquid
The upstream of separator.
According to heat pump of the present utility model, by orifice union being arranged on the upstream of gas-liquid separator, can promote
The operational efficiency of heat pump such as heat pump type air conditioning system.
According to embodiments more of the present utility model, described orifice union includes: first throttle device and the first one-way conduction
Device, described first throttle device is connected in parallel with described first device in one-way on state and is connected with described first connector
Stream on, the liquid refrigerants that described first device in one-way on state is configured to described gas-liquid separator separates is unidirectional
Ground guides described First Heat Exchanger；With the second throttling arrangement and the second device in one-way on state, described second throttling arrangement and
Described second device in one-way on state is connected in parallel on the stream being connected with described second connector, described second unidirectional
The liquid refrigerants that exchange device is configured to described gas-liquid separator separates be gone out uniaxially guides described second heat exchanger.
Alternatively, described first throttle device and described second throttling arrangement are respectively the throttling arrangement that flow keeps constant.
Still optionally further, described first throttle device and described second throttling arrangement are respectively capillary tube.
Alternatively, described first device in one-way on state and described second device in one-way on state are respectively check valve.
According to embodiments more of the present utility model, described exit is provided with dropping equipment.
Alternatively, described dropping equipment is dropping valve.
According to embodiments more of the present utility model, at described air entry, it is provided with reservoir.
According to embodiments more of the present utility model, described control valve is cross valve.
According to embodiments more of the present utility model, described heat pump is heat pump type air conditioning system.
Additional aspect of the present utility model and advantage will part be given in the following description, and part will from the following description
Become obvious, or recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage are from combining the accompanying drawings below description to embodiment and will become
Obtain substantially with easy to understand, wherein:
Fig. 1 is the schematic diagram of the heat pump according to this utility model embodiment；
Fig. 2 is the schematic diagram during heat pump refrigeration shown in Fig. 1；
Fig. 3 is schematic diagram when heating of the heat pump shown in Fig. 1.
Reference:
100: heat pump；
1: First Heat Exchanger；2: the second heat exchangers；
3: compressor；31: air entry；32: air vent；
4: control valve；41: the first valve ports；42: the second valve ports；43: the three valve ports；44: the four valve ports；
5: gas-liquid separator；51: the first connectors；52: the second connectors；53: outlet；
6: orifice union；61: first throttle device；62: the first device in one-way on state；
63: the second throttling arrangements；64: the second device in one-way on state；
7: dropping equipment；8: reservoir.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most extremely
Same or similar label represents same or similar element or has the element of same or like function eventually.Below by
The embodiment being described with reference to the drawings is exemplary, is only used for explaining this utility model, and it is not intended that to this practicality
Novel restriction.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length
Degree ", " width ", " thickness ", " on ", D score, "left", "right", " vertically ", " level ",
" push up ", " end ", " interior ", " outward ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or
Position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of description this utility model and simplification is retouched
State rather than indicate or imply the device of indication or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to restriction of the present utility model.
Additionally, term " first ", " second ", " the 3rd ", " the 4th " are only used for describing purpose, and can not manage
Solve as instruction or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " the
One ", " second ", " the 3rd ", the feature of " the 4th " can be expressed or implicitly include one or more
Individual this feature.In description of the present utility model, except as otherwise noted, " multiple " be meant that two or two with
On.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be detachable
Connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to
It is indirectly connected to by intermediary, can be the connection of two element internals.For those of ordinary skill in the art
Speech, can understand above-mentioned term concrete meaning in this utility model with concrete condition.
Below with reference to Fig. 1-Fig. 3, the heat pump 100 according to this utility model embodiment is described.Heat pump 100 is permissible
For heat pump type air conditioning system.In the application explained below, carry out as a example by heat pump 100 is as heat pump type air conditioning system
Explanation.Certainly, those skilled in the art are appreciated that heat pump 100 can also be for other type of heat pump
System 100, and it is not limited to heat pump type air conditioning system.
As shown in Figure 1-Figure 3, according to the heat pump 100 such as heat pump type air conditioning system of this utility model embodiment, bag
Include First Heat Exchanger the 1, second heat exchanger 2, compressor 3, control valve 4, gas-liquid separator 5 and orifice union 6.
Compressor 3 has air entry 31 and air vent 32.Compressor 3 is for entering the coolant sucked from air entry 31
Row compression, and the coolant after compression is discharged from air vent 32.Further, at air entry 31, it is provided with reservoir 8,
Reservoir 8 plays storage, gas-liquid separation, filtration, noise reduction and the effect of coolant buffering.
Control valve 4 has the first valve port the 41, second valve port the 42, the 3rd valve port 43 and the 4th valve port 44, the first valve port
41 are connected with the air vent 32 of compressor 3, and one end of the second valve port 42 and First Heat Exchanger 1 is (such as, in Fig. 1
Left end) be connected, the 3rd valve port 43 is connected with the air entry 31 of compressor 3, the 4th valve port 44 and the second heat exchanger
One end (such as, the left end in Fig. 1) of 2 is connected.When one of them in the first valve port 41 and the 3rd valve port 43 with
When second valve port 42 connects, the first valve port 41 connects with the 4th valve port 44 with another in the 3rd valve port 43, i.e. when
When first valve port 41 connects with the second valve port 42, the 3rd valve port 43 connects with the 4th valve port 44, and when the 3rd valve port 43
When connecting with the second valve port 42, the first valve port 41 connects with the 4th valve port 44, to realize the effect of commutation.Alternatively,
Control valve 4 is cross valve, but is not limited to this.
Gas-liquid separator 5 has the first connector 51 (or being the form of one section of first connecting tube), the second connector
52 (or being the form of one section of second connecting tube) and outlet 53 (or the form for one section outlet 53 pipe), first
Connector 51 is connected with the other end (such as, the right-hand member in Fig. 1) of First Heat Exchanger 1, the second connector 52 with
The other end (such as, the right-hand member in Fig. 1) of the second heat exchanger 2 is connected, and outlet 53 is connected with air entry 31.
Such as, in the example of Fig. 1-Fig. 3, the first connector 51 and the second connector 52 are formed with being spaced apart from each other
In the bottom of gas-liquid separator 5, the tops that outlet 53 is formed at gas-liquid separator 5, thus, it is simple to liquid refrigerants from
First connector 51 or the second connector 52 flow out, and facilitate isolated gaseous coolant outlet 53 row from top
Go out.
Orifice union 6 is connected to the upstream of gas-liquid separator 5.Here, it should be noted that " upstream " is appreciated that
For the upstream on the flow direction of coolant.Now, no matter coolant is to be flowed by the first connector 51 from First Heat Exchanger 1
To gas-liquid separator 5, or flow to gas-liquid separator 5, at coolant from the second heat exchanger 2 by the second connector 52
Flow direction on, orifice union 6 is respectively positioned on the upstream of gas-liquid separator 5, thus to entering into gas-liquid separator 5
Coolant play the effect of reducing pressure by regulating flow.
When heat pump 100 refrigerating operaton, as in figure 2 it is shown, the first valve port 41 and the second valve port 42 of control valve 4
Connection and the 3rd valve port 43 connect with the 4th valve port 44, and the high-pressure gaseous coolant that now compressor 3 is discharged leads to successively
The first valve port 41 and the second valve port 42 of crossing control valve 4 enter First Heat Exchanger 1 and are cooled to supercooled liquid coolant, so
Entered gas-liquid separator 5 by the first connector 51 after passing through orifice union 6 decrease temperature and pressure afterwards and carry out gas-liquid separation, liquid
Coolant is entered by the second connector 52 and becomes overheated gaseous coolant after second heat exchanger 2 absorbs heat and return to reservoir 8,
And reservoir 8 can be returned directly to by outlet 53 gaseous coolants out, exist with from the second heat exchanger 2 coolant out
Reservoir 8 enters after mixing compressor 3, again becomes high-pressure gaseous coolant after being compressed in compressor 3 and enter the
One heat exchanger 1 is cooled to supercooled liquid coolant, so circulates, to constitute kind of refrigeration cycle.
When heat pump 100 heating operation, as it is shown on figure 3, the first valve port 41 and the 4th valve port 44 of control valve 4
Connection and the 3rd valve port 43 connect with the second valve port 42, and the high-pressure gaseous coolant that now compressor 3 is discharged leads to successively
The first valve port 41 and the 4th valve port 44 of crossing control valve 4 enter the second heat exchanger 2 and are cooled to supercooled liquid coolant, so
Entered gas-liquid separator 5 by the second connector 52 after passing through orifice union 6 decrease temperature and pressure afterwards and carry out gas-liquid separation, liquid
Coolant is entered by the first connector 51 and becomes overheated gaseous coolant after First Heat Exchanger 1 absorbs heat and return to reservoir 8,
And reservoir 8 can be returned directly to by outlet 53 gaseous coolants out, exist with from First Heat Exchanger 1 coolant out
Reservoir 8 enters after mixing compressor 3, again becomes high-pressure gaseous coolant after being compressed in compressor 3 and enter the
Two heat exchangers 2 are cooled to supercooled liquid coolant, so circulate, and heat circulation to constitute.
Thus, when heat pump 100 such as heat pump type air conditioning system refrigeration and heating operation, all can be by the gaseous state after throttling
Coolant is separated, thus in refrigeration with all can promote vaporizer during heating operation and (such as, second change during refrigerating operaton
Hot device 2 is vaporizer) exchange capability of heat, and reduce the pressure loss of vaporizer, reach to promote heat pump 100 example
Purpose such as heat pump type air conditioning system operational efficiency.
Heat pump 100 such as heat pump type air conditioning system according to this utility model embodiment, by arranging orifice union 6
In the upstream of gas-liquid separator 5, the operational efficiency of heat pump 100 such as heat pump type air conditioning system can be promoted.
According to specific embodiments more of the present utility model, as shown in Figure 1-Figure 3, orifice union 6 includes: first segment
Stream device the 61, first device in one-way on state the 62, second throttling arrangement 63 and the second device in one-way on state 64, first segment
Stream device 61 is connected in parallel with the first device in one-way on state 62 on the stream being connected with the first connector 51, and first is single
It is configured to isolated for gas-liquid separator 5 liquid refrigerants is uniaxially guided First Heat Exchanger 1 to conducting device 62,
I.e. can be flowed to First Heat Exchanger 1 by the first device in one-way on state 62 by the isolated liquid refrigerants of gas-liquid separator 5,
And the coolant that First Heat Exchanger 1 comes can not flow to gas-liquid separator 5 by the first device in one-way on state 62.
Second throttling arrangement 63 is connected in, with the second device in one-way on state 64, the stream being connected with the second connector 52 in parallel
On, the second device in one-way on state 64 is configured to isolated for gas-liquid separator 5 liquid refrigerants is uniaxially guided second
Heat exchanger 2, i.e. can be flowed to the by the second device in one-way on state 64 by the isolated liquid refrigerants of gas-liquid separator 5
Two heat exchangers 2, and the coolant that the second heat exchanger 2 comes can not flow to gas-liquid separation by the second device in one-way on state 64
Device 5.
Alternatively, the first device in one-way on state 62 and the second device in one-way on state 64 are respectively check valve, but are not limited to this.
Further, it is provided with dropping equipment 7 at the outlet 53 of gas-liquid separator 5.Alternatively, dropping equipment 7 is fall
Pressure valve, but it is not limited to this.
When heat pump 100 refrigerating operaton, the high-pressure gaseous coolant that compressor 3 is discharged enters First Heat Exchanger 1 and cools down
Becoming supercooled liquid coolant, this supercooled liquid coolant can only can not be dropped by first throttle device 61 by the first check valve
Enter gas-liquid separator 5 after temperature drop pressure, now entered the by the second connector 52 coolant out by the second check valve
Two heat exchangers 2 become overheated gaseous coolant after absorbing heat and return to reservoir 8, and by the outlet 53 of gas-liquid separator 5
Coolant out then by returning to reservoir 8 after dropping valve blood pressure lowering, with from the second heat exchanger 2 coolant out at reservoir
Again become high-pressure gaseous coolant entrance First Heat Exchanger 1 after jointly being compressed by compressor 3 after mixing in 8 and be cooled to supercool
Liquid refrigerants, the most repeatedly.
When heat pump 100 heating operation, the high-pressure gaseous coolant that compressor 3 is discharged enters the second heat exchanger 2 and cools down
Become supercooled liquid coolant, it is impossible to can only be by entering gas after the second throttling arrangement 63 decrease temperature and pressure by the second check valve
Liquid/gas separator 5, is now entered the by the first connector 51 of gas-liquid separator 5 coolant out by the first check valve
One heat exchanger 1 becomes overheated gaseous coolant after absorbing heat and returns to reservoir 8, and by the outlet 53 of gas-liquid separator 5
Coolant out then by returning to reservoir 8 after dropping valve blood pressure lowering, with from First Heat Exchanger 1 coolant out at reservoir
Again become high-pressure gaseous coolant after jointly being compressed by compressor 3 after 8 mixing to enter the second heat exchanger 2 and be cooled to supercooled liquid
State coolant, the most repeatedly.
Alternatively, first throttle device 61 and the second throttling arrangement 63 are respectively the throttling arrangement that flow keeps constant.
Still optionally further, first throttle device 61 and the second throttling arrangement 63 are respectively capillary tube.Thus, it is possible to have
Effect reduces the cost of heat pump 100.
Other of heat pump 100 according to this utility model embodiment constitute and operate for those of ordinary skill in the art
For be all known, be not detailed herein.
In the description of this specification, reference term " embodiment ", " some embodiments ", " illustrative examples ",
It is concrete that the description of " example ", " concrete example " or " some examples " etc. means to combine this embodiment or example describes
Feature, structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual,
The schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, knot
Structure, material or feature can combine in any one or more embodiments or example in an appropriate manner.
Embodiment the most of the present utility model, it will be understood by those skilled in the art that:
Without departing from these embodiments being carried out multiple change in the case of principle of the present utility model and objective, revise, replace
Changing and modification, scope of the present utility model is limited by claim and equivalent thereof.
Claims (10)
1. a heat pump, it is characterised in that including:
First Heat Exchanger；
Second heat exchanger；
Compressor, described compressor has air entry and air vent；
Control valve, described control valve has the first valve port to the 4th valve port, and described first valve port is connected with described air vent,
Second valve port is connected with one end of First Heat Exchanger, and the 3rd valve port is connected with described air entry, described 4th valve port and
One end of two heat exchangers is connected, when one of them in described first valve port and described 3rd valve port and described second valve port
First valve port described in during connection connects with described 4th valve port with another in described 3rd valve port；
Gas-liquid separator, described gas-liquid separator has the first connector, the second connector and outlet, and described first connects
Mouth is connected with the other end of described First Heat Exchanger, and described second connector is connected with the other end of described second heat exchanger,
Described outlet is connected with described air entry；And
Orifice union, described orifice union is connected to the upstream of described gas-liquid separator.
Heat pump the most according to claim 1, it is characterised in that described orifice union includes:
First throttle device and the first device in one-way on state, described first throttle device and described first device in one-way on state are also
Joining on the stream being connected to be connected with described first connector, described first device in one-way on state is configured to described gas
The isolated liquid refrigerants of liquid/gas separator uniaxially guides described First Heat Exchanger；With
Second throttling arrangement and the second device in one-way on state, described second throttling arrangement and described second device in one-way on state are also
Joining on the stream being connected to be connected with described second connector, described second device in one-way on state is configured to described gas
The isolated liquid refrigerants of liquid/gas separator uniaxially guides described second heat exchanger.
Heat pump the most according to claim 2, it is characterised in that described first throttle device and described second
Throttling arrangement is respectively the throttling arrangement that flow keeps constant.
Heat pump the most according to claim 3, it is characterised in that described first throttle device and described second
Throttling arrangement is respectively capillary tube.
Heat pump the most according to claim 2, it is characterised in that described first device in one-way on state and described
Second device in one-way on state is respectively check valve.
6. according to the heat pump according to any one of claim 1-5, it is characterised in that described exit is provided with fall
Pressure device.
Heat pump the most according to claim 6, it is characterised in that described dropping equipment is dropping valve.
Heat pump the most according to claim 1, it is characterised in that be provided with reservoir at described air entry.
Heat pump the most according to claim 1, it is characterised in that described control valve is cross valve.
Heat pump the most according to claim 1, it is characterised in that described heat pump is heat pump type air conditioning system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620213462.6U CN205536652U (en) | 2016-03-18 | 2016-03-18 | Heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620213462.6U CN205536652U (en) | 2016-03-18 | 2016-03-18 | Heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205536652U true CN205536652U (en) | 2016-08-31 |
Family
ID=56783967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620213462.6U Active CN205536652U (en) | 2016-03-18 | 2016-03-18 | Heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205536652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018227960A1 (en) * | 2017-06-12 | 2018-12-20 | 广东美的暖通设备有限公司 | Air conditioning system and air conditioner |
-
2016
- 2016-03-18 CN CN201620213462.6U patent/CN205536652U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018227960A1 (en) * | 2017-06-12 | 2018-12-20 | 广东美的暖通设备有限公司 | Air conditioning system and air conditioner |
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