CN105627630A - Heat pump system - Google Patents
Heat pump system Download PDFInfo
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- CN105627630A CN105627630A CN201610136110.XA CN201610136110A CN105627630A CN 105627630 A CN105627630 A CN 105627630A CN 201610136110 A CN201610136110 A CN 201610136110A CN 105627630 A CN105627630 A CN 105627630A
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- pipe
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- water
- heat pump
- heat exchanging
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 171
- 239000003507 refrigerant Substances 0.000 claims abstract description 38
- 239000006200 vaporizer Substances 0.000 claims description 49
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 238000005057 refrigeration Methods 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000007423 decrease Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1039—Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses a heat pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/18—Hot-water central heating systems using heat pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/12—Heat pump
- F24D2200/123—Compression type heat pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/09—Improving heat transfers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention provides a heat pump system which comprises a compressor (1), a condenser (2), a throttling gear (3) and an evaporator (4). The heat pump system further comprises a first heat exchange water pipe (5) which is arranged in the condenser (2) and carries out heat exchange with a refrigerant pipe in the condenser (2). The first heat exchange water pipe (5) comprises a first water inlet end (51) connected to the interior of the condenser (2) and a first water outlet end (52) connected to the exterior of the condenser (2). Besides, a second heat exchange water pipe (6) is arranged in the evaporator (4) and carries out heat exchange with a refrigerant pipe in the evaporator (4). The second heat exchange water pipe (6) communicates with the first water inlet end (51) of the first heat exchange water pipe (5). Through the heat pump system, the temperature of water entering the condenser can be reduced effectively, and the heating efficiency of the condenser is improved; accordingly, the heat exchange efficiency and the overall COP value of the heat pump system are increased, and the technical problem that the heat exchange efficiency and the overall COP value of a heat pump unit are decreased when high-temperature water enters the unit is solved.
Description
Technical field
The invention belongs to thermal power transfer and utilize technical field, be specifically related to a kind of heat pump.
Background technology
Heat pump set of the prior art generally includes compressor, condenser, expansion valve and vaporizer, refrigerant medium forms the gas of High Temperature High Pressure after compressor compresses, through condenser condenses heat release by heat release to the environment (indoor environment in such as winter) needing heat, refrigeration agent after condensation heat release lowers the temperature into high pressure low temperature or high-temperature gas, the liquid that reducing pressure by regulating flow forms low-pressure low-temperature is carried out again through expansion valve or throttling valve, then enter evaporation endothermic in vaporizer again and form low-pressure low-temperature or high-temperature gas, and then enter in compressor and again compressed, complete the process of heat pump cycle. usually at heat pump set condenser by connection water route, hot junction, so that it is heated by the heat transmission of condensation of refrigerant heat release feedwater, and then again by the hot water supply after being heated to the environment (indoor environment in such as winter) needing heat, reach the object wanting to obtain heat at low temperature environment. if but condenser is higher or too high once water temperature by the feed-water end of hot junction water-supply line, owing in water temperature in water-supply line and condenser refrigerant pipe, the temperature difference of refrigeration agent is relatively little, then now heat exchange efficiency will decrease between the two, the heat that water-supply line can be taken away will reduce, and causes the COP value of heat pump set or system entirety to decrease, heat pump set is adopted to produce hot water when heating in addition in situation in winter, the hot water temperature entering heating installation is generally 80 degree, leaving water temperature(LWT) is generally 60 degree, research shows when return water temperature (being back in heat pump condenser) is higher than 40 degree, and heat pump there will be due to the too high even inoperable situation of exhaust pressure.
Owing to heat pump set of the prior art exists, the heat exchange efficiency of heat pump set when high temperature is intake reduces to some extent, overall COP value decreases and even inoperable technical problem, and therefore research and design of the present invention goes out a kind of heat pump.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcoming heat pump of the prior art exists the defect that when high temperature is intake, the heat exchange efficiency of heat pump reduces to some extent, overall COP value decreases, thus provides a kind of heat pump.
The present invention provides a kind of heat pump, comprise compressor, condenser, throttling set and vaporizer, it also comprises and is arranged in described condenser with wherein refrigerant pipe to carry out the first heat exchanging water pipe of heat exchange, described first heat exchanging water pipe comprises the first feed-water end of the described condenser of access and picks out the first water side of described condenser, in addition, also being furnished with the 2nd heat exchanging water pipe carrying out heat exchange with wherein refrigerant pipe in described vaporizer, described 2nd heat exchanging water pipe is connected with described first feed-water end of described first heat exchanging water pipe.
Preferably, the 2nd water side that described 2nd heat exchanging water pipe comprises the 2nd feed-water end in the described vaporizer of access and picks out in described vaporizer, wherein said 2nd water side is connected with the first feed-water end in the described condenser of access.
Preferably, described first heat exchanging water pipe is connected by by-pass line with described 2nd heat exchanging water pipe.
Preferably, described vaporizer is the structure of double-pipe exchanger, the interior pipe comprising outer tube He being sheathed in described outer tube.
Preferably, leading to into refrigeration agent in described outer tube, be formed as the described refrigerant pipe of described vaporizer, described interior Guan Zhongtong enters water, is formed as described 2nd heat exchanging water pipe.
Preferably, leading to into water in described outer tube, be formed as described 2nd heat exchanging water pipe, described interior Guan Zhongtong enters refrigeration agent, is formed as the described refrigerant pipe of described vaporizer.
Preferably, described interior pipe is spiral element, and described outer tube is non-helical pipe; Or described interior pipe is circular pipe, and described outer tube is spiral pipe.
Preferably, described vaporizer is shell and tube heat exchanger structure, is arranged to mode that is parallel and cross arrangement between described refrigerant pipe wherein and described 2nd heat exchanging water pipe.
Preferably, described 2nd heat exchanging water pipe and described refrigerant pipe are circle pipe; Or, described 2nd heat exchanging water pipe and described refrigerant pipe are square tube; Or, one of them in described 2nd heat exchanging water pipe and described refrigerant pipe is circle pipe, and another is square tube.
Preferably, also comprise the temperature sensor being arranged on the first and second heat exchanging water pipes, and the water pump being arranged on first, second heat exchanging water pipe and/or by-pass line and/water route aperture controller, and control the PLC control system of whole heat pump.
Preferably, the vaporizer blower fan being arranged on described vaporizer to be controlled by its radiating rate is also comprised.
Preferably, described heat pump is air source heat pump system, and the refrigeration agent in described refrigerant pipe is CO2��
A kind of heat pump provided by the invention has following useful effect:
1. by a kind of heat pump provided by the invention, can effectively reduce the water temperature entered in heat pump in condenser, improve the heating efficiency of condenser, and then improve the heat exchange efficiency of heat pump, improve the COP value of heat pump entirety, solve the technical problem that the heat exchange efficiency of heat pump set when high temperature is intake decreases with overall COP value;
2. heat pump can be adopted under effectively solving winter environment to produce hot water carry out heating to there will be exhaust pressure too high and cause the inoperable problem of system, effectively ensure that heat pump substitutes existing coal firing boiler and carries out heat supply in winter;
3. by leading to the mode into high temperature hot water to vaporizer inside, moreover it is possible to promote the temperature of evaporator surface and entirety thereof, effectively prevent the generation of the phenomenon of evaporimeter frosting during winter.
4. make can fully carry out between refrigeration agent wherein and high-temperature water heat exchange by the vaporizer of double-pipe exchanger structure, improve heat exchange efficiency, to reduce the temperature entering water in condenser, it is possible to more preferably improve heat exchange efficiency and the COP value of integral heat pump system;
5. by the vaporizer of shell-tube type heat exchange structure and refrigerant pipe and the first heat exchanging water pipe are arranged to the mode of cross arrangement, it is possible to strengthen the contact between refrigerant pipe and the 2nd heat exchanging water pipe or heat interchanging area, it is to increase heat exchange efficiency.
6. heat pump can be carried out Comprehensive Control by set temperature sensor, water pump, water route aperture controller, PLC control system and vaporizer blower fan, carry out operating and using according to actual demand, precise control, accurately, it may also be useful to be simple, convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing heat pump.
Fig. 2 is the structural representation of the heat pump being applicable to high temperature water inlet of the present invention;
Fig. 3 is the structural representation of the vaporizer being double-pipe exchanger structure in heat pump of the present invention;
Structural representation preferably arranged by the heat transfer tube that Fig. 4 is the vaporizer being shell and tube heat exchanger structure in heat pump of the present invention.
In figure, Reference numeral represents and is:
1-compressor, 2-condenser or gas cooler, 3-throttling set, 4-vaporizer, 41-outer tube, pipe in 42-, 5-first heat exchanging water pipe, 51-first feed-water end, 52-first water side, 6-the 2nd heat exchanging water pipe, 61-the 2nd feed-water end, 62-the 2nd water side, 7-by-pass line, 8-regenerator, 9-gas-liquid separator, 10-heat exchange fin.
Embodiment
As shown in Figure 2, the present invention provides a kind of heat pump, comprise compressor 1, condenser or gas cooler 2, throttling set 3 and vaporizer 4, wherein also comprise and it is arranged in described condenser 2 with wherein refrigerant pipe to carry out the first heat exchanging water pipe 5 of heat exchange, described first heat exchanging water pipe 5 comprises the first feed-water end 51 of the described condenser 2 of access and picks out the first water side 52 of described condenser 2, in addition, described vaporizer 4 is also furnished with the 2nd heat exchanging water pipe 6 carrying out heat exchange with wherein refrigerant pipe, described 2nd heat exchanging water pipe 6 is connected with described first feed-water end 51 of described first heat exchanging water pipe 5.
By a kind of heat pump provided by the invention, by with the 2nd heat exchanging water pipe's heat exchange of refrigerant pipe heat exchange in vaporizer after lead to again in condenser, the water temperature of water in water pipe can be effectively reduced by the evaporation endothermic effect of vaporizer, the water temperature entered in condenser in heat exchanging water pipe is obtained effectively reduce, effectively avoid and prevent water temperature over-high in heat exchanging water pipe and cause the generation of situation that heat exchange efficiency in condenser is lower, improve the heating efficiency of condenser, and then improve the heat exchange efficiency of heat pump, it is to increase the COP value of heat pump entirety. Showing through experiment research, the COP value in heat pump techniques in prior art 2.0 can be increased to more than 3.5 by being less than by the technical scheme through the present invention;
The technical scheme of the present invention can also adopt heat pump to produce hot water to carry out heating to there will be exhaust pressure too high and cause the inoperable problem of system, effectively ensure that heat pump substitutes existing coal firing boiler and carries out heat supply in winter under effectively solving winter environment, when return water temperature (water temperature being back in heat pump condenser) is higher than 60 degree, make the advanced vaporizer of this part high-temperature water, it is made to be cooled to about 35 degree, enter condenser (gas cooler) again, significantly reduce the inflow temperature entered in condenser or gas cooler, ensure that condenser can effectively realize the effect of heat release, maintain the running of heat pump cycle, ensure that heat pump runs normally, prevent it from the generation causing the inoperable situation of system owing to exhaust pressure is too high occurring, effectively ensure that heat pump substitutes existing coal firing boiler and carries out heat supply in winter.
By leading to the mode into high temperature hot water to vaporizer inside, moreover it is possible to promote the temperature of evaporator surface and entirety thereof, effectively prevent the generation of the phenomenon of evaporimeter frosting during winter.
Preferably, the 2nd water side 62 that described 2nd heat exchanging water pipe 6 comprises the 2nd feed-water end 61 in the described vaporizer 4 of access and picks out in described vaporizer 4, wherein said 2nd water side 62 is connected with the first feed-water end 51 in the described condenser 2 of access. This is the concrete and preferred arrangement of the feed-water end being arranged in vaporizer the 2nd heat exchanging water pipe and water side, and make the water after evaporator is lowered the temperature enter in condenser the first feed-water end in the 2nd water side access condenser, it is achieved that to improve effect and the object of heat exchange efficiency in condenser. Further preferably, the 2nd feed-water end of the 2nd heat exchanging water pipe is connected suction culvert, completes the object making water be switched in heat exchanging water pipe.
Preferably, described first heat exchanging water pipe 5 is connected by by-pass line 7 with described 2nd heat exchanging water pipe 6; This is the concrete and optimal way the first and second heat exchanging water pipes 5,6 being connected, it is achieved that the first and second heat exchanging water pipes connect as one the mode of formula pipeline, for reaching reduction inflow temperature, it is to increase heat exchange efficiency provides condition for validity. Further preferably, described by-pass line 7 is connected first feed-water end 51 of described first heat exchanging water pipe 5 and the 2nd water side 62 of described 2nd heat exchanging water pipe 6.
As shown in Figure 3, it may be preferred that described vaporizer 4 is the structure of double-pipe exchanger, the interior pipe 42 comprising outer tube 41 and be sheathed in described outer tube 41 inside. Make can fully carry out between refrigeration agent wherein and high-temperature water heat exchange by the vaporizer of double-pipe exchanger structure, increase heat interchanging area, effectively reduce water temperature, improve heat exchange efficiency, thus reduce the temperature entering water in condenser, it is possible to more preferably improve heat exchange efficiency and the COP value of integral heat pump system.
Preferably, described outer tube 41 leads to into refrigeration agent, be formed as the described refrigerant pipe of described vaporizer 4, described interior pipe 42 leads to into water, be formed as described 2nd heat exchanging water pipe 6. This is the optimum enforcement mode of internal and external casing, the refrigeration agent making to be arranged in outer tube the water of internal pipe can carry out absorbing and cooling temperature on the one hand, on the other hand other media such as air being arranged in outside pipe can also be carried out absorbing and cooling temperature, draw heat simultaneously from other media such as water and air.
Preferably, described outer tube 41 leads to into water, be formed as described 2nd heat exchanging water pipe 6, described interior pipe 42 leads to into refrigeration agent, is formed as the described refrigerant pipe of described vaporizer 4. This is the alternate embodiments of the optimum enforcement mode of internal and external casing, by the water at low temperature of outer tube, other media such as the air being arranged in outside pipe are carried out absorbing and cooling temperature further after making the water of the internal pipe of the refrigeration agent being arranged in pipe carry out absorbing and cooling temperature, so from other media such as water and air draw heat continuously.
Further preferably, described interior pipe 42 is spiral element, and outer tube 41 is non-spiral element; Or described interior pipe 42 is circular pipe, described outer tube 41 for spiral pipe (be similar to nut, inwall offer the shape of spiral-shaped groove). This is preferred structure and the decoration form of the inner and outer pipe of inside and outside double-pipe exchanger. The contact area between inner and outer pipe can be strengthened like this, it is to increase heat exchange efficiency.
As shown in Figure 4, preferably, described vaporizer 4 is that shell and tube heat exchanger structure (is preferably copper pipe aluminum fin formula, namely comprise shell and it is arranged at the heat transfer tube of enclosure, heat transfer tube outer wall is provided with heat exchange fin), mode (the seated position relation of cloth each other namely extended in the vertical cross section of axis is the shape of cross arrangement) that is parallel and cross arrangement it is arranged at it between described refrigerant pipe wherein and described 2nd heat exchanging water pipe 6, see Fig. 4, by the vaporizer of shell-tube type heat exchange structure and refrigerant pipe and the 2nd heat exchanging water pipe are arranged to the mode of cross arrangement, the contact between refrigerant pipe and the 2nd heat exchanging water pipe or heat interchanging area can be strengthened, improve heat exchange efficiency.
Preferably, described 2nd heat exchanging water pipe 6 is round pipe (namely extending in the vertical cross section of axis the shape formed at it is circle, lower same) with described refrigerant pipe; Or, described 2nd heat exchanging water pipe 6 is square tube (it is square for namely extending in the vertical cross section of axis, at it, the shape formed, rectangle or square, lower same) with described refrigerant pipe; Or, one of them in described 2nd heat exchanging water pipe 6 and described refrigerant pipe is circle pipe, and another is square tube. By in the first heat exchanging water pipe and refrigerant pipe one of be chosen as circle pipe and square tube in one of, this is preferred structure and the shape version of heat transfer tube, be convenient to select and processing and manufacturing.
Preferably, also comprise the temperature sensor being arranged on the first and second heat exchanging water pipes 5,6, and the water pump being arranged on first, second heat exchanging water pipe and/or by-pass line and/water route aperture controller, and control the PLC control system of whole heat pump. Specifically, at the 2nd feed-water end 61, the 2nd water side 62, first feed-water end 51 and the first equal set temperature sensor in water side 52 place, in conjunction with PLC system, control by hot water flow and the flow velocity of the 2nd feed-water end 61 and the 2nd water side 62, by variable frequency pump and water route aperture controller, control the flow velocity by vaporizer and discharge, and then make the steady temperature entering the hot water maintenance of condenser, such as 35 degree, system COP is so more conducive to be stabilized in extremely high about 5.0.
Preferably, the vaporizer blower fan being arranged on described vaporizer 4 and being controlled by its radiating rate is also comprised. The booster action to evaporator heat exchange effect can be played by vaporizer blower fan, whole heat pump can be carried out the open and close of valve by PLC control system or regulate the control of uninterrupted, the uninterrupted of water in water pipe can be controlled by first, second heat exchanging water pipe and/or by-pass line arrange the structure of water pump, and then by vaporizer blower fan, PLC, water route water pump, throttling set (being preferably electric expansion valve), described heat pump be carried out Comprehensive Control.
Preferably, described heat pump is air source heat pump system, and the refrigeration agent in described refrigerant pipe is CO2. This is the optimal way of the heat pump of technical solution of the present invention, and to carrying out in air source, draw heat reaches the hot object of system as thermal source to adopt air source, and selection refrigeration agent is CO2The pollution to air, cleaning, sustainable, high financial profit can be reduced better.
Those skilled in the art will readily understand, under the prerequisite do not conflicted, above-mentioned each advantageous manner can freely combine, superposition.
The foregoing is only the better embodiment of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. done within the spirit and principles in the present invention, all should be included within protection scope of the present invention. The above is only the preferred embodiment of the present invention; it is noted that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also making some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (12)
1. a heat pump, comprise compressor (1), condenser (2), throttling set (3) and vaporizer (4), it is characterized in that: also comprise and be arranged in described condenser (2) with wherein refrigerant pipe to carry out first heat exchanging water pipe (5) of heat exchange, described first heat exchanging water pipe (5) comprises first feed-water end (51) of the described condenser of access (2) and picks out first water side (52) of described condenser (2), in addition, described vaporizer (4) is also furnished with the 2nd heat exchanging water pipe (6) carrying out heat exchange with wherein refrigerant pipe, described 2nd heat exchanging water pipe (6) is connected with described first feed-water end (51) of described first heat exchanging water pipe (5).
2. heat pump according to claim 1, it is characterized in that: the 2nd water side (62) that described 2nd heat exchanging water pipe (6) comprises the 2nd feed-water end (61) in the described vaporizer of access (4) and picks out in described vaporizer (4), wherein said 2nd water side (62) is connected with the first feed-water end (51) in the described condenser of access (2).
3. heat pump according to claim 2, it is characterised in that: described first heat exchanging water pipe (5) is connected by by-pass line (7) with described 2nd heat exchanging water pipe (6).
4. according to the heat pump one of claim 1-3 Suo Shu, it is characterized in that: the structure that described vaporizer (4) is double-pipe exchanger, the interior pipe (42) comprising outer tube (41) and being sheathed in described outer tube (41) inside.
5. heat pump according to claim 4, it is characterized in that: described outer tube leads to into refrigeration agent in (41), be formed as the described refrigerant pipe of described vaporizer (4), described interior pipe (42) is led to into water, is formed as described 2nd heat exchanging water pipe (6).
6. heat pump according to claim 4, it is characterized in that: described outer tube leads to into water in (41), be formed as described 2nd heat exchanging water pipe (6), described interior pipe (42) is led to into refrigeration agent, is formed as the described refrigerant pipe of described vaporizer (4).
7. according to the heat pump one of claim 4-6 Suo Shu, it is characterised in that: described interior pipe (42) is spiral element, and described outer tube (41) is non-helical pipe; Or described interior pipe (42) is circular pipe, and described outer tube (41) is spiral pipe.
8. according to the heat pump one of claim 1-3 Suo Shu, it is characterized in that: described vaporizer (4) is shell and tube heat exchanger structure, between described refrigerant pipe wherein and described 2nd heat exchanging water pipe (6), it is arranged to mode that is parallel and cross arrangement.
9. heat pump according to claim 8, it is characterised in that: described 2nd heat exchanging water pipe (6) and described refrigerant pipe are circle pipe; Or, described 2nd heat exchanging water pipe (6) and described refrigerant pipe are square tube; Or, one of them in described 2nd heat exchanging water pipe (6) and described refrigerant pipe is circle pipe, and another is square tube.
10. according to the heat pump one of claim 1-9 Suo Shu, it is characterized in that: also comprise the temperature sensor being arranged on the first and second heat exchanging water pipes (5,6), with the water pump being arranged on first, second heat exchanging water pipe and/or by-pass line and/water route aperture controller, and control the PLC control system of whole heat pump.
11. heat pumps according to claim 10, it is characterised in that: also comprise the vaporizer blower fan being arranged on described vaporizer (4) and being controlled by its radiating rate.
12. according to the heat pump one of claim 1-11 Suo Shu, it is characterised in that: described heat pump is air source heat pump system, and the refrigeration agent in described refrigerant pipe is CO2��
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610136110.XA CN105627630A (en) | 2016-03-01 | 2016-03-01 | Heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610136110.XA CN105627630A (en) | 2016-03-01 | 2016-03-01 | Heat pump system |
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| CN105627630A true CN105627630A (en) | 2016-06-01 |
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| CN201610136110.XA Pending CN105627630A (en) | 2016-03-01 | 2016-03-01 | Heat pump system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196683A (en) * | 2016-08-10 | 2016-12-07 | 燕园德普科技（北京）有限公司 | A kind of super low temperature heat pump system for heating and control method thereof |
| CN110478935A (en) * | 2019-09-02 | 2019-11-22 | 珠海格力电器股份有限公司 | Gas purge system and machining tool with it |
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