CN209783033U - air source economic benefits and social benefits frequency conversion unit - Google Patents
air source economic benefits and social benefits frequency conversion unit Download PDFInfo
- Publication number
- CN209783033U CN209783033U CN201920147152.2U CN201920147152U CN209783033U CN 209783033 U CN209783033 U CN 209783033U CN 201920147152 U CN201920147152 U CN 201920147152U CN 209783033 U CN209783033 U CN 209783033U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- air
- side heat
- frequency conversion
- pressure
- 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
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 33
- 230000008901 benefit Effects 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000005070 sampling Methods 0.000 claims description 12
- 238000005057 refrigeration Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 6
- 239000003507 refrigerant Substances 0.000 description 16
- 238000010438 heat treatment Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses an air source economic benefits and social benefits frequency conversion unit, including frequency conversion compressor unit, air side heat exchanger, water side heat exchanger, compressor drive module, vapour and liquid separator, check valve, high-pressure reservoir, frequency conversion compressor unit passes through exhaust pipe and return air pipeline and establishes ties with air side heat exchanger, water side heat exchanger respectively, frequency conversion compressor unit exhaust side is equipped with the cross-over switching-over valve, the mouth of pipe of cross-over switching-over valve both sides is connected air side heat exchanger, water side heat exchanger respectively, and the mouth of pipe in the middle of passes through vapour and liquid separator and is connected with frequency conversion compressor unit low pressure air inlet; a high-pressure liquid storage device is arranged on a pipeline between the liquid outlet side of the air side heat exchanger and the liquid inlet side of the water side heat exchanger, and an electronic expansion valve is arranged on the liquid outlet side of the high-pressure liquid storage device; the utility model provides a current refrigerator frequency conversion compressor unit can only carry out single refrigeration effect to and frequency conversion unit can not the steady operation under cold and hot two kinds of modes problem.
Description
Technical Field
the utility model belongs to the technical field of refrigeration plant, concretely relates to air source economic benefits and social benefits frequency conversion unit.
Background
At present, the application of the frequency conversion unit in the air conditioning industry becomes mature day by day, the freezing industry is forming a trend, the market demand is also increasing, the existing freezing and refrigerating frequency conversion unit mostly has a single refrigeration function, the energy efficiency is extremely low when the ambient temperature is lower than-12 ℃, even the frequency conversion unit is halted, and part of the frequency conversion unit with a double-effect structure has large operation pressure under a cold mode and a hot mode and cannot operate for a long time.
In the prior art, an intelligent dual-energy dual-effect air conditioner provided by chinese patent publication No. CN107036215A includes an air conditioner casing, an air outlet formed on the air conditioner casing, and a heat exchanging fan, a water circulation system, a freon circulation system and a heat exchanger mounted on the air conditioner casing; the technical scheme combines the advantages of a water air conditioner and a refrigerant circulating air conditioner, the energy-saving effect of the product is greatly enhanced by coordinating the opening and closing of the two sets of circulating systems in the refrigeration and heating modes respectively, and meanwhile, on the basis of the early-stage product, a plurality of detailed and humanized functional designs are added, so that the using effect and the using experience of the product are newly improved; however, the compressor cannot keep low-frequency operation for a long time in the using process, and energy is consumed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air source economic benefits and social benefits frequency conversion unit to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an air source double-effect frequency conversion unit comprises:
The variable-frequency compressor unit is respectively connected with the air side heat exchanger and the water side heat exchanger in series through an exhaust pipeline and an air return pipeline;
A four-way reversing valve is arranged on the exhaust side of the variable-frequency compressor unit, pipe orifices on two sides of the four-way reversing valve are respectively connected with an air side heat exchanger and a water side heat exchanger, and a pipe orifice in the middle is connected with a low-pressure air inlet of the variable-frequency compressor unit through a gas-liquid separator; and
And a high-pressure liquid storage device is arranged on a pipeline between the liquid outlet side of the air side heat exchanger and the liquid inlet side of the water side heat exchanger, and an electronic expansion valve is arranged on the liquid outlet side of the high-pressure liquid storage device.
Preferably, the two check valves are respectively positioned on the liquid outlet side of the air side heat exchanger and the liquid inlet side of the water side heat exchanger, and the inner side pipes and the outer side pipes of the two check valves are connected in a one-to-one correspondence manner.
Preferably, the inner side pipes of the two one-way valves are connected with the air inlet side of the high-pressure liquid accumulator.
Preferably, a temperature sampling point before throttling is arranged between the liquid outlet side of the high-pressure liquid storage device and the electronic expansion valve, and an air return temperature sampling point is arranged on the pipe orifice side of the four-way reversing valve connected with the low-pressure port of the variable-frequency compressor unit.
Preferably, frequency conversion compressor unit high pressure gas side is equipped with high-pressure switch, needle valve, high-pressure meter in proper order, vapour and liquid separator's feed liquor side is equipped with low-pressure switch, needle valve, low-pressure meter in proper order.
Preferably, a fan is arranged in the air side heat exchanger.
Preferably, the bottom of the variable frequency compressor unit is provided with a bottom plate.
compared with the prior art, the beneficial effects of the utility model are that: adopt the four-way reversing valve, realize the double-effect function of refrigeration and heating, the structure of the flow of electronic expansion valve regulation refrigerant in order to adapt to the change of inverter compressor's air output has solved current inverter compressor unit and can only carry out single refrigeration effect to and the problem that inverter unit can not steady operation under cold and hot two kinds of modes, the utility model discloses more comply with energy-concerving and environment-protective development trend, inverter unit's accuse temperature precision is high, and the temperature fluctuation is little, and voltage strong adaptability, the efficiency is high, adapts to low temperature environment and heats the operation, operates steadily, long service life, and the noise is low, practices thrift the electric energy.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic view of an embodiment of the present invention;
FIG. 3 is a schematic view of the cooling state flow of the present invention;
fig. 4 is the schematic diagram of the heating status flow of the present invention.
in the figure: the system comprises a variable frequency compressor unit 1, an air side heat exchanger 2, a water side heat exchanger 3, a compressor driving module 4, a gas-liquid separator 5, a check valve 6, a high-pressure liquid storage device 7, a four-way reversing valve 8, an electronic expansion valve 9, a temperature sampling point before throttling 10, a return gas temperature sampling point 11, a high-pressure switch 12, a needle valve 13, a high-pressure meter 14, a low-pressure switch 15, a low-pressure meter 16 and a fan 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
referring to fig. 1-4, the present invention provides a technical solution:
An air source double-effect frequency conversion unit comprises a frequency conversion compressor unit 1, an air side heat exchanger 2, a water side heat exchanger 3, a compressor driving module 4, a gas-liquid separator 5, a one-way valve 6 and a high-pressure liquid storage device 7, wherein the frequency conversion compressor unit 1 is respectively connected with the air side heat exchanger 2 and the water side heat exchanger 3 in series through an exhaust pipeline and an air return pipeline, a four-way reversing valve 8 is arranged on the exhaust side of the frequency conversion compressor unit 1, pipe orifices on two sides of the four-way reversing valve 8 are respectively connected with the air side heat exchanger 2 and the water side heat exchanger 3, and a pipe orifice in the middle is connected with a low-pressure air inlet of the frequency; a high-pressure liquid storage device 7 is arranged on a pipeline between the liquid outlet side of the air side heat exchanger 2 and the liquid inlet side of the water side heat exchanger 3, and an electronic expansion valve 9 is arranged on the liquid outlet side of the high-pressure liquid storage device 7;
The two check valves 6 are respectively positioned on the liquid outlet side of the air side heat exchanger 2 and the liquid inlet side of the water side heat exchanger 3, and the inner side pipes and the outer side pipes of the two check valves 6 are connected in a one-to-one correspondence manner; the inner side pipes of the two one-way valves 6 are connected with the air inlet side of a high-pressure liquid accumulator 7; a temperature sampling point 10 before throttling is arranged between the liquid outlet side of the high-pressure liquid storage device 7 and the electronic expansion valve 9, and a return air temperature sampling point 11 is arranged on the pipe orifice side of the four-way reversing valve 8 connected with the low-pressure port of the variable-frequency compressor unit 1; the high-pressure air outlet side of the variable-frequency compressor unit 1 is sequentially provided with a high-pressure switch 12, a needle valve 13 and a high-pressure gauge 14, and the liquid inlet side of the gas-liquid separator 5 is sequentially provided with a low-pressure switch 15, a needle valve 13 and a low-pressure gauge 16; a fan 17 is arranged in the air side heat exchanger 2; and a bottom plate 18 is arranged at the bottom of the variable-frequency compressor unit 1.
as shown in fig. 3, the device starts the compressor, starts the compressor at low frequency, switches to high-frequency operation after starting, and operates for a long time at a set temperature when the temperature approaches a set value; after the compressor is started, the electromagnetic valve is not electrified, the valve core of the four-way reversing valve 8 moves to one side, the air pressures at the two ends are different, so that a passage is formed between the high-pressure air outlet end of the compressor and the air-side heat exchanger 2, a passage is formed between the low-pressure air inlet of the compressor and the water-side heat exchanger 3, the air pressure at the water-side heat exchanger 3 is smaller than the air pressure at the air-side heat exchanger 2, the refrigerant continuously circulates from the high-pressure position to the low-pressure position (namely, the refrigerant continuously circulates between the air-side heat exchanger 2 and the water-side heat exchanger 3), in the refrigeration mode, the refrigerant passes through the air-side heat exchanger 2 and is condensed into liquid to release a large amount of heat (the air-side heat exchanger 2 plays the role of a condenser in the refrigeration mode), then flows into the high-pressure, the electronic expansion valve 9 controls the liquid supply amount of the refrigerant and enables the refrigerant to become low-temperature low-pressure wet steam, then the wet steam passes through the water side heat exchanger 3, evaporates and absorbs a large amount of heat (the water side heat exchanger 3 plays the role of an evaporator in a refrigeration mode) to achieve a refrigeration effect, then the refrigerant sequentially passes through the return air temperature sampling point 11, the low pressure meter 16, the needle valve 13 and the low pressure switch 15 through the return air pipeline and then flows into the gas-liquid separator 5, and the separated gas continuously circulates in the pipeline to enable the system to form a circulating refrigeration state; the electronic expansion valve 9 collects the data of the temperature sampling point so as to adjust the flow of the refrigerant; the low pressure meter 16 tests the pressure, the needle valve 13 further regulates the flow of the refrigerant, and the low pressure switch 15 prevents the machine from being damaged due to the too small pressure in the pipe (the high pressure meter 14 and the high pressure switch 12 are the same in principle);
As shown in fig. 4, in the heating mode, the electromagnetic valve is energized, the valve core of the four-way reversing valve 8 moves to the other side, and the air pressures at the two ends are different, so that the high-pressure air outlet end of the compressor and the water-side heat exchanger 3 form a passage, the low-pressure air inlet of the compressor and the air-side heat exchanger 2 form a passage, the air pressure at the water-side heat exchanger 3 is greater than the air pressure at the air-side heat exchanger 2, and the refrigerant continuously circulates from the high-pressure position to the low-pressure position (that is, the refrigerant continuously circulates between the water-side heat exchanger 3 and the air; the refrigerant firstly passes through the water side heat exchanger 3 and is condensed to release a large amount of heat (the water side heat exchanger 3 plays the role of a condenser in a heating mode and actually also acts as the water side heat exchanger 3) to achieve a heating effect, the condensed refrigerant flows into the high-pressure liquid reservoir 7 through the check valve 6, then flows out from the other end of the high-pressure liquid reservoir 7, passes through the temperature sampling point 10 before throttling, regulates the flow of the refrigerant through the electronic expansion valve 9, then flows into the air side heat exchanger 2 through the check valve 6, evaporates and absorbs a large amount of heat (in the heating mode, the air side heat exchanger 2 plays the role of an evaporator and actually acts as the air side heat exchanger 2), then the refrigerant sequentially passes through the return air temperature sampling point 11, the low pressure gauge 16, the needle valve 13 and the low pressure switch 15 through a gas-liquid separator 5 through a gas return pipeline, and the separated gas continuously circulates in the pipeline, the system is in a circulating heating state; the double-effect refrigeration frequency conversion unit not only solves the problem of single refrigeration of the frequency conversion unit, but also enables the frequency conversion unit to be capable of safely, reliably and efficiently operating under two modes of cold and hot.
although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an air source economic benefits and social benefits frequency conversion unit, includes frequency conversion compressor unit (1), air side heat exchanger (2), water side heat exchanger (3), compressor drive module (4), vapour and liquid separator (5), check valve (6), high-pressure reservoir (7), frequency conversion compressor unit (1) establishes ties its characterized in that with air side heat exchanger (2), water side heat exchanger (3) respectively through exhaust pipe and return air pipeline:
A four-way reversing valve (8) is arranged on the exhaust side of the variable-frequency compressor unit (1), pipe orifices on two sides of the four-way reversing valve (8) are respectively connected with the air-side heat exchanger (2) and the water-side heat exchanger (3), and a pipe orifice in the middle is connected with a low-pressure air inlet of the variable-frequency compressor unit (1) through a gas-liquid separator (5);
And a high-pressure liquid storage device (7) is arranged on a pipeline between the liquid outlet side of the air side heat exchanger (2) and the liquid inlet side of the water side heat exchanger (3), and an electronic expansion valve (9) is arranged on the liquid outlet side of the high-pressure liquid storage device (7).
2. the air source double-effect frequency conversion unit as claimed in claim 1, wherein: the two check valves (6) are respectively positioned at the liquid outlet side of the air side heat exchanger (2) and the liquid inlet side of the water side heat exchanger (3), and the inner side pipes and the outer side pipes of the two check valves (6) are connected in a one-to-one correspondence manner.
3. The air source double-effect frequency conversion unit as claimed in claim 1, wherein: and inner side pipes of the two one-way valves (6) are connected with the air inlet side of the high-pressure liquid accumulator (7).
4. The air source double-effect frequency conversion unit as claimed in claim 1, wherein: a temperature sampling point (10) before throttling is arranged between the liquid outlet side of the high-pressure liquid storage device (7) and the electronic expansion valve (9), and a return air temperature sampling point (11) is arranged on the pipe orifice side of the four-way reversing valve (8) connected with the low-pressure port of the variable-frequency compressor unit (1).
5. The air source double-effect frequency conversion unit as claimed in claim 1, wherein: the high-pressure air outlet side of the variable-frequency compressor unit (1) is sequentially provided with a high-pressure switch (12), a needle valve (13) and a high-pressure meter (14), and the liquid inlet side of the gas-liquid separator (5) is sequentially provided with a low-pressure switch (15), a needle valve (13) and a low-pressure meter (16).
6. The air source double-effect frequency conversion unit as claimed in claim 1, wherein: a fan (17) is arranged in the air side heat exchanger (2).
7. The air source double-effect frequency conversion unit as claimed in claim 1, wherein: and a bottom plate (18) is arranged at the bottom of the variable-frequency compressor unit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920147152.2U CN209783033U (en) | 2019-01-25 | 2019-01-25 | air source economic benefits and social benefits frequency conversion unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920147152.2U CN209783033U (en) | 2019-01-25 | 2019-01-25 | air source economic benefits and social benefits frequency conversion unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209783033U true CN209783033U (en) | 2019-12-13 |
Family
ID=68793835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920147152.2U Expired - Fee Related CN209783033U (en) | 2019-01-25 | 2019-01-25 | air source economic benefits and social benefits frequency conversion unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209783033U (en) |
-
2019
- 2019-01-25 CN CN201920147152.2U patent/CN209783033U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100552323C (en) | The solar energy-air source energy-saving type solution heat pump device | |
| CN105387547A (en) | Multi-source heat-tube energy-saving system and refrigerating method based on multi-source heat tube | |
| CN105042931A (en) | Combined heat pump system adopting trans-critical circulation and absorption heat pump co-production | |
| CN203586629U (en) | Air source heat pump air conditioning unit with multiple switchable heat exchangers | |
| CN201819476U (en) | Direct-current frequency conversion air-conditioner with waste heat recovery device | |
| CN104374117A (en) | Water chilling unit and control method | |
| CN204329397U (en) | Handpiece Water Chilling Units | |
| CN108317772B (en) | Air-supplying and enthalpy-increasing system and household appliance | |
| CN111271893A (en) | Air-conditioning heat pump hot water system and control method thereof | |
| CN201053786Y (en) | Highly effective energy-saving heat pump hot water set | |
| CN202328962U (en) | Water heater system of condensation heat defrosting air conditioner | |
| CN103335440A (en) | Secondary throttling middle complete cooling double-working-condition refrigeration system | |
| CN105758045A (en) | Ultralow-temperature overlapped triple generation heat pump unit | |
| CN203572022U (en) | Air-energy heat pump | |
| CN105387546A (en) | Integrated double-source freezing station and refrigerating method | |
| CN100516676C (en) | Accumulative type engine driving type air-conditioning apparatus and control method thereof | |
| CN207963223U (en) | A kind of heat pump air conditioning system | |
| CN209783033U (en) | air source economic benefits and social benefits frequency conversion unit | |
| KR20100089741A (en) | Apparatus for feusing waste heat of air compressor | |
| CN201166491Y (en) | Energy storage type composite heat source solution heat pump device | |
| CN201503170U (en) | Ground-source heat pump unit capable of providing full heat recovery | |
| CN203336882U (en) | Energy-saving liquid storage device for bicirculation base station air conditioning system | |
| CN201753994U (en) | Integrated heat exchange system | |
| CN211953310U (en) | Energy-saving refrigerating system | |
| CN203518091U (en) | Efficient energy-saving water-cooled module set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20191213 |