CN205747620U - There is the heat pump of defrosting function - Google Patents
There is the heat pump of defrosting function Download PDFInfo
- Publication number
- CN205747620U CN205747620U CN201620608798.2U CN201620608798U CN205747620U CN 205747620 U CN205747620 U CN 205747620U CN 201620608798 U CN201620608798 U CN 201620608798U CN 205747620 U CN205747620 U CN 205747620U
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- CN
- China
- Prior art keywords
- heat exchanger
- media
- heat
- connection
- compressor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010257 thawing Methods 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000004378 air conditioning Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 239000006200 vaporizer Substances 0.000 description 2
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
This utility model relates to a kind of heat pump with defrosting function, including the first compressor, the first heat exchange unit, the first expansion gear and the First Heat Exchanger of series connection, the media outlet of First Heat Exchanger and the media input connection of the first compressor；Also include the second compressor, the second heat exchanger, the second expansion gear, the 3rd heat exchanger and second heat exchange unit of series connection, the media outlet of the 3rd heat exchanger and the media input connection of the second compressor；It is interconnected by pipeline between the heat exchange chamber of First Heat Exchanger and the second heat exchanger, the heat exchange chamber of the 3rd heat exchanger and the connection of the second heat exchange unit, start the first compressor to rotate, pipeline defrosting operation to the first heat exchange unit place, after being cooled down by the first expansion gear, second heat exchanger obtains the heat of the 3rd heat exchanger, the heat of the second heat exchanger can enter in First Heat Exchanger, the pipeline defrost that First Heat Exchanger can be connected, this heat pump defrost is effective, thus can ensure that the stability that whole heat pump runs.
Description
Technical field
This utility model relates to technical field of heat pumps, is specifically related to a kind of heat pump with defrosting function.
Background technology
Heat pump be widely used in unit or Home Heating application in, due to heat pump possess pollution little, energy-conservation,
The advantage such as efficiently, is more and more applied in the northern area of China, gradually gas-heating and boiler heating is replaced.Heat
Pumping system is similar with the air-conditioning of domestic, mainly uses in season in summer in winter two, when summer air-conditioning is lowered the temperature, runs by cooling condition,
The high steam discharged by compressor, enters condenser through reversal valve (also known as cross valve)；When warming oneself in the winter time, first by reversal valve
Turn to heat pump operating position, the high pressure refrigerant vapor then discharged by compressor, after reversal valve, flow into indoor evaporator (make
Condenser is used), release heat during refrigerant vapour condensation, room air is heated, reaches heating of house purpose, condensed liquid
State cold-producing medium, enters condenser (being used as vaporizer) from flowing counterflow through throttling arrangement, absorbs external heat and evaporate, after evaporation
Steam is sucked by compressor after reversal valve, completes to heat circulation.The operation principle that heat pump of the prior art uses
Identical with air-conditioning principle, heat, or absorbing and cooling temperature in high temperature environments can be provided at low ambient temperatures.But in prior art
Heat pump during using, on outdoor vaporizer can the substantial amounts of frost of surplus, whole system is run and produces relatively
For serious impact.
Utility model content
The purpose of this utility model is: provide a kind of heat pump with defrosting function, can eliminate and evaporate on off-premises station
The frost of surplus on device, improves the stability that whole heat pump runs.
For achieving the above object, the technical solution adopted in the utility model is:
There is the heat pump of defrosting function, change including the first compressor, First Heat Exchanger, the first expansion gear and first
Hot cell, the media outlet of the first compressor and the media input connection of the first heat exchange unit, the medium of the first heat exchange unit goes out
Mouth connects with the media input of the first expansion gear, and the media outlet of the first expansion gear connects with the media input of First Heat Exchanger
Logical, the media outlet of First Heat Exchanger and the media input connection of the first compressor；
Heat pump also includes the second compressor, the second heat exchanger, the 3rd heat exchanger, the second expansion gear and the second heat exchange
The media input connection of unit, the media outlet of the second compressor and the second heat exchanger, the media outlet of the second heat exchanger and the
The media input connection of two expansion gears, the media outlet of the second expansion gear and the media input connection of the 3rd heat exchanger, the
The media outlet of three heat exchangers and the media input connection of the second compressor；
Being interconnected by upper and lower pipeline pipeline between the heat exchange chamber of First Heat Exchanger and the second heat exchanger, the 3rd changes
The heat exchange chamber of hot device is connected by inlet pipeline and the second heat exchange unit, and the second heat exchange unit is changed by outlet pipeline and the 3rd
The heat exchange chamber of hot device.
This utility model there is also following characteristics:
Expansion drum and internal circulation pump it has been arranged in series on described lower pipeline.
Described first expansion gear includes the first fluid reservoir of the media outlet connection of media input and the first heat exchange unit,
The media outlet of the first fluid reservoir and the media input connection of the first filter, the media outlet of the first filter and thermal expansion
The media input connection of valve, the media outlet of heating power expansion valve connects with the media input of First Heat Exchanger.
Outer circulation pump and the first valve it has been arranged in series on described outlet pipeline.
The media input of described first compressor and the media outlet connection of the first gas-liquid separator, the first gas-liquid separator
Media input and the first heat exchange unit media outlet connection.
Described second expansion gear includes the second fluid reservoir of the media outlet connection of media input and the second heat exchanger, the
The media outlet of two fluid reservoirs and the media input connection of the second filter, the media outlet of the second filter and electric expansion valve
Media input connection, the media outlet of electric expansion valve connects with the media input of the 3rd heat exchanger.
The media input of the second compressor and the media outlet connection of the second gas-liquid separator, the matchmaker of the second gas-liquid separator
Get involved the media outlet connection of mouth and the 3rd heat exchanger.
It is provided with the second valve on the connecting pipeline of the heat exchange chamber of the 3rd heat exchanger and the entrance of the second heat exchange unit.
Compared with prior art, the technique effect that this utility model possesses is: the second compressor during starting, the
There is more hot water in the system at two heat exchange unit places, starts the first compressor and rotate, to the first heat exchange unit
The pipeline defrosting operation at place, after being cooled down by the first expansion gear, the heat of the second heat exchanger acquisition the 3rd heat exchanger, second
The heat of heat exchanger can enter in First Heat Exchanger, thus can compensate the medium heat in First Heat Exchanger, this heat pump
System, during starting, can be implemented the defrosting operation at the link position in pipeline, and defrost is effective, thus can ensure that
The stability that whole heat pump runs.
Accompanying drawing explanation
Fig. 1 is that the heat pump with defrosting function of the present utility model utilizes the heat of hot water in the second heat exchange unit in fact
The circulation process figure of existing defrosting function.
Detailed description of the invention
In conjunction with Fig. 1, the utility model is further described:
There is the heat pump of defrosting function, including the first compressor 10, First Heat Exchanger the 20, first expansion gear 30 and
First heat exchange unit 40, the media outlet of the first compressor 10 and the media input connection of the first heat exchange unit 40, the first heat exchange
The media outlet of unit 40 and the media input connection of the first expansion gear 30, the media outlet and first of the first expansion gear 30
The media input connection of heat exchanger 20, the media outlet of First Heat Exchanger 20 and the media input connection of the first compressor 10；
Heat pump also include second compressor the 50, second heat exchanger the 60, the 3rd heat exchanger the 80, second expansion gear 70 and
Second heat exchange unit 90, the media outlet of the second compressor 50 and the media input connection of the second heat exchanger 60, the second heat exchanger
The media outlet of 60 and the media input connection of the second expansion gear 70, the media outlet of the second expansion gear 70 and the 3rd heat exchange
The media input connection of device 80, the media outlet of the 3rd heat exchanger 80 and the media input connection of the second compressor 50；
Interconnected mutually by upper and lower pipeline 21,22 pipeline between First Heat Exchanger 20 with the heat exchange chamber of the second heat exchanger 60
Logical, the heat exchange chamber of the 3rd heat exchanger 80 is connected with the second heat exchange unit 90 by inlet pipeline 81, and the second heat exchange unit 90 leads to
Cross outlet pipeline 82 and the heat exchange chamber of the 3rd heat exchanger 80.
Second compressor 50 is during starting, and the system at the second heat exchange unit 90 place exists more hot water, opens
Dynamic first compressor 10 rotates, so that the pipeline defrosting operation to the first heat exchange unit 40 place, expands dress by first
After putting 30 coolings, the second heat exchanger 60 obtains the heat of the 3rd heat exchanger 80, and the heat of the second heat exchanger 60 can enter first and change
In hot device 20, thus the medium in First Heat Exchanger 20 can be carried out heat compensation, this heat pump, can during starting
Implementing the defrost to off-premises station, defrost is effective, thus can ensure that the stability that whole heat pump runs.
As preferred version of the present utility model, described lower pipeline 22 expansion drum 221 and internal circulation pump are arranged in series
222, start internal circulation pump 222 so that the water circulation in first, second heat exchanger 20,60, thus for logical in two heat exchangers
The heat compensation of the medium crossed, recirculated water heat compensation is effective.
Further, described first expansion gear 30 includes the media outlet connection of media input and the first heat exchange unit 40
The first fluid reservoir 31, the media input connection of the media outlet of the first fluid reservoir 31 and the first filter 32, the first filter
The media outlet of 32 connects with the media input of heating power expansion valve 33, the media outlet of heating power expansion valve 33 and First Heat Exchanger 20
Media input connection.
It is arranged in series outer circulation pump 821 and the first valve 822 on described outlet pipeline 82, has started outer circulation pump 821, make
Obtain the water circulation in the second heat exchange unit 90 and the 3rd heat exchanger 80, thus implement the medium passed through in the 3rd heat exchanger 80
Heat compensation, recirculated water heat compensation is effective.
Further, the media input of described first compressor 10 and the media outlet of the first gas-liquid separator 12 connect
Logical, the media input of the first gas-liquid separator 12 and the media outlet connection of the first heat exchange unit 40.
Described second expansion gear 70 includes the second liquid storage of the media outlet connection of media input and the second heat exchanger 60
Tank 71, the media outlet of the second fluid reservoir 71 and the media input connection of the second filter 72, the medium of the second filter 72 goes out
Mouth connects with the media input of electric expansion valve 73, the media outlet of electric expansion valve 73 and the media input of the 3rd heat exchanger 80
Connection.
The media input of the second compressor 50 and the media outlet connection of the second gas-liquid separator 51, the second gas-liquid separator
The media input of 51 and the media outlet connection of the 3rd heat exchanger 80.
It is provided with the second valve on the connecting pipeline of the heat exchange chamber of the 3rd heat exchanger 80 and the entrance of the second heat exchange unit 90
Door 83.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this practicality in other specific forms new
Type.Therefore, no matter from the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, this practicality is new
The scope of type is limited by claims rather than described above, it is intended that by the containing of equivalency in claim that fall
All changes in justice and scope are included in this utility model.Should not be considered as any reference in claim limiting
Involved claim.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps
Containing an independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should
Description can also be formed those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment
May be appreciated other embodiments.
Claims (8)
1. there is the heat pump of defrosting function, it is characterised in that: include the first compressor (10), First Heat Exchanger (20),
One expansion gear (30) and the first heat exchange unit (40), the media outlet of the first compressor (10) and the first heat exchange unit (40)
Media input connects, the media outlet of the first heat exchange unit (40) and the media input connection of the first expansion gear (30), and first
The media outlet of expansion gear (30) connects with the media input of First Heat Exchanger (20), the media outlet of First Heat Exchanger (20)
Connect with the media input of the first compressor (10)；
Heat pump also includes the second compressor (50), the second heat exchanger (60), the 3rd heat exchanger (80), the second expansion gear
(70) and the second heat exchange unit (90), the media input of the media outlet of the second compressor (50) and the second heat exchanger (60) is even
Logical, the media outlet of the second heat exchanger (60) and the media input connection of the second expansion gear (70), the second expansion gear (70)
Media outlet and the 3rd heat exchanger (80) media input connection, the media outlet of the 3rd heat exchanger (80) and the second compressor
(50) media input connection；
Upper and lower pipeline (21,22) pipeline is passed through mutual between the heat exchange chamber of First Heat Exchanger (20) and the second heat exchanger (60)
Connection, the heat exchange chamber of the 3rd heat exchanger (80) is connected with the second heat exchange unit (90) by inlet pipeline (81), the second heat exchange
Unit (90) is by the heat exchange chamber of outlet pipeline (82) with the 3rd heat exchanger (80).
The heat pump with defrosting function the most according to claim 1, it is characterised in that: the upper string of described lower pipeline (22)
Connection is provided with expansion drum (221) and internal circulation pump (222).
The heat pump with defrosting function the most according to claim 2, it is characterised in that: described first expansion gear
(30) first fluid reservoir (31) of the media outlet connection of media input and the first heat exchange unit (40), the first fluid reservoir are included
(31) media outlet and the media input connection of the first filter (32), the media outlet of the first filter (32) is swollen with heating power
The media input connection of swollen valve (33), the media outlet of heating power expansion valve (33) connects with the media input of First Heat Exchanger (20)
Logical.
The heat pump with defrosting function the most according to claim 2, it is characterised in that: on described outlet pipeline (82)
Outer circulation pump (821) and the first valve (822) are arranged in series it.
The heat pump with defrosting function the most according to claim 1, it is characterised in that: described first compressor (10)
Media input and the media outlet connection of the first gas-liquid separator (11), the media input of the first gas-liquid separator (11) and the
The media outlet connection of one heat exchange unit (40).
The heat pump with defrosting function the most according to claim 1, it is characterised in that: described second expansion gear
(70) second fluid reservoir (71) of the media outlet connection of media input and the second heat exchanger (60), the second fluid reservoir (71) are included
Media outlet and the second filter (72) media input connection, the media outlet of the second filter (72) and electric expansion valve
(73) media input connection, the media outlet of electric expansion valve (73) and the media input connection of the 3rd heat exchanger (80).
The heat pump with defrosting function the most according to claim 1, it is characterised in that: the matchmaker of the second compressor (50)
Getting involved the media outlet connection of mouth and the second gas-liquid separator (51), the media input and the 3rd of the second gas-liquid separator (51) changes
The media outlet connection of hot device (80).
The heat pump with defrosting function the most according to claim 1, it is characterised in that: changing of the 3rd heat exchanger (80)
The second valve (83) it is provided with on the connecting pipeline of the entrance of hot chamber and the second heat exchange unit (90).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620608798.2U CN205747620U (en) | 2016-06-17 | 2016-06-17 | There is the heat pump of defrosting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620608798.2U CN205747620U (en) | 2016-06-17 | 2016-06-17 | There is the heat pump of defrosting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205747620U true CN205747620U (en) | 2016-11-30 |
Family
ID=57386398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620608798.2U Expired - Fee Related CN205747620U (en) | 2016-06-17 | 2016-06-17 | There is the heat pump of defrosting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205747620U (en) |
-
2016
- 2016-06-17 CN CN201620608798.2U patent/CN205747620U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 |