CN208253839U - Critical-cross carbon dioxide air source heat pump is cold, warm, water combined supply system - Google Patents
Critical-cross carbon dioxide air source heat pump is cold, warm, water combined supply system Download PDFInfo
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- CN208253839U CN208253839U CN201820781301.6U CN201820781301U CN208253839U CN 208253839 U CN208253839 U CN 208253839U CN 201820781301 U CN201820781301 U CN 201820781301U CN 208253839 U CN208253839 U CN 208253839U
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Abstract
The utility model relates to art of heat pumps, critical-cross carbon dioxide air source heat pump is cold, it is warm, water combined supply system, output end including compressor is connected with the input terminal of gas cooler, the output end of gas cooler is connected with the input terminal of regenerator, the output end of regenerator is connected by an expansion valve with the input terminal of evaporator, the output end of evaporator is connected with the input terminal of gas-liquid separator, the output end of gas-liquid separator is connected with the input terminal of regenerator, the output end of regenerator is connected with the input terminal of compressor, compressor, gas cooler, evaporator and gas-liquid separator are connected with a reversal valve respectively, main line control valve is provided on the main line of reversal valve and evaporator, the both ends of main line control valve pass through the first bypass control valve (BCV) respectively and the second bypass control valve (BCV) is connected with heat exchanger.The utility model overcomes the deficiencies in the prior art, provides various working, and user can select according to actual needs.
Description
Technical field
The utility model relates to art of heat pumps, water trilogy supply system cold, warm particularly across critical carbon dioxide air source heat pump
System.
Background technique
Carbon dioxide air source heat pump technology is one kind with CO2As working medium, pass through CO2Air-liquid trans critical cycle absorbs ring
The technology that heat in border is used to heat or freeze.Heat in environment is transmitted to other media by recycle heat by the technology
Such as water and air, as shower, industry and domestic hot-water, central air-conditioning hot wind etc. is after boiler, gas heater, electric hot water
Heating equipment of new generation after device and solar water heater.Its biggest characteristic is that keeping pole in the heating heat transfer process to water
High thermodynamic efficiency, more more economical and environmentally friendly than fuel oil, fire coal, combustion gas, annual operating and maintenance cost is the 10%- of oil burning boiler
20%, it is the 40%-60% of coal-burning boiler, no pollution and the zero-emission of winter heating may be implemented.
CO2Air source heat pump is mainly by components such as compressor, water- to-water heat exchanger, air (water) heat exchanger, expansion valve and blowers
Composition.Gaseous working medium (carbon dioxide) temperature and pressure rise, gas are made by compressor work with inverse Carnot cycle principle
State working medium carries out heat with cold water in a heat exchanger and exchanges, and the phase transformation by gaseous state to liquid occurs for working medium heat release, and cold water absorbs
The heat of working medium, which gradually heats up, becomes hot water, by absorption air or the heat of water after liquid refrigerant expanded valve throttling, air or
Because exothermic temperature reduces, the heat absorption of this process working medium occurs by liquid to gaseous phase transformation water.This reciprocation cycle phase transition process
Constantly heat absorption and heat release are made cold water gradually heat up and are produced by the heat in heat sink draw air or water through over-heat-exchanger
Hot water.But the function that traditional heat pump is realized is relatively simple, can not be adapted to Various Complex condition.
Utility model content
For the defects in the prior art, the utility model provides that critical-cross carbon dioxide air source heat pump is cold, warm, water three
Co-feeding system overcomes the deficiencies in the prior art, provides various working, and user can select according to actual needs, reach
To independent water heating, heating (air conditioning), refrigeration (air conditioning) (for cold water), heating (air conditioning)+heating water conservancy project
The multi-effect of condition, refrigeration (air conditioning)+water heating (cold water can be supplied).
To achieve the goals above, critical-cross carbon dioxide air source heat pump provided by the utility model is cold, warm, water three
For system, including compressor, gas cooler, regenerator, evaporator and gas-liquid separator；The output end and gas of the compressor
The input terminal of body cooler is connected, and the output end of the gas cooler is connected with the input terminal of regenerator, the regenerator
Output end is connected by an expansion valve with the input terminal of evaporator, the output end of the evaporator and the input terminal of gas-liquid separator
It is connected, the output end of the gas-liquid separator is connected with the input terminal of regenerator, the output end of the regenerator and compressor
Input terminal is connected, and the compressor, gas cooler, evaporator and gas-liquid separator are connected with a reversal valve respectively, described to change
Main line control valve is provided on the main line of valve and evaporator, the both ends of the main line control valve pass through by the of first respectively
Logical control valve and the second bypass control valve (BCV) are connected with heat exchanger.
As a kind of preferred embodiment of the application, check valve is additionally provided between the expansion valve and evaporator, and
And the expansion valve is electric expansion valve.
As a kind of preferred embodiment of the application, filling is additionally provided between the regenerator and electric expansion valve
Valve.
As a kind of preferred embodiment of the application, the reversal valve is four-way reversing valve.
As a kind of preferred embodiment of the application, by the main line control valve, the first bypass control valve (BCV) and second
Logical control valve is solenoid valve.
The beneficial effects of the utility model are: critical-cross carbon dioxide air source heat pump provided by the utility model it is cold, it is warm,
Water combined supply system is not only energy-efficient while avoiding traditional solar product and inoperable lacks at rainy weather, night
Fall into, and can occupied area it is small, install simple and direct, using flexible, can adapt to the actual conditions of more users.
Detailed description of the invention
Fig. 1 is cold, warm, water combined supply system embodiment the signal of the utility model critical-cross carbon dioxide air source heat pump
Figure.
Specific embodiment
Specific embodiment of the utility model is described more fully below, it should be noted that the embodiments described herein is served only for
For example, being not intended to limit the utility model.In the following description, in order to provide the thorough understanding to the utility model,
Elaborate a large amount of specific details.It will be apparent, however, to one skilled in the art that: these certain details need not be used
Section is to carry out the utility model.In other instances, in order to avoid obscuring the utility model, well known circuit is not specifically described,
Software or method.
Throughout the specification, meaning is referred to " one embodiment ", " embodiment ", " example " or " example "
: a particular feature, structure, or characteristic described in conjunction with this embodiment or example is comprised at least one implementation of the utility model
In example.Therefore, the phrase " in one embodiment " in each place appearance of the whole instruction, " in embodiment ", " one
Example " or " example " are not necessarily all referring to the same embodiment or example.Furthermore, it is possible in any suitable combination and or sub-portfolio
By specific feature, structure or characteristic combination in one or more embodiment or examples.In addition, those of ordinary skill in the art
It should be appreciated that diagram is provided to the purpose of explanation provided herein, and diagram is not necessarily drawn to scale.
As shown in Figure 1, critical-cross carbon dioxide air source heat pump shown by the first embodiment of the utility model it is cold,
Warm, water combined supply system, including compressor 1, gas cooler 2, regenerator 14, evaporator 7 and gas-liquid separator 12；The pressure
The output end of contracting machine 1 is connected with the input terminal of gas cooler 2, and the output end of the gas cooler 2 is defeated with regenerator 14
Enter end to be connected, the output end of the regenerator 14 is connected by an expansion valve 4 with the input terminal of evaporator 7, the evaporator 7
Output end is connected with the input terminal of gas-liquid separator 12, the input terminal phase of the output end and regenerator 14 of the gas-liquid separator 12
Even, the output end of the regenerator 14 is connected with the input terminal of compressor 1, the compressor 1, gas cooler 2, evaporator 7
It is connected respectively with a reversal valve 13 with gas-liquid separator 12, is provided with supervisor on the reversal valve 13 and the main line of evaporator 7
Road control valve 10, the both ends of the main line control valve 10 pass through the first bypass control valve (BCV) 9 and the second bypass control valve (BCV) 11 respectively
It is connected with heat exchanger 8, entrance 21 and outlet 22 is provided on gas cooler 2.
Specifically, the critical-cross carbon dioxide air source heat pump is cold, warm, water combined supply system is wrapped in actual application
Include following operating condition:
1, it individually heats water condition: closing the first bypass control valve (BCV) 9 and the second bypass control valve (BCV) being connected with heat exchanger 8
11, main line control valve 10 is in normally open；Reversal valve 13 goes to heating condition, and then forms hot water preparation system, passes through
Associated hot-water heating system and gas cooler 2 are exchanged heat, final realization prepares hot water.
2, it heats (air conditioning) operating condition: closing the first bypass control valve (BCV) 9 being connected with heat exchanger 8 and the second by-pass governing
Valve 11, main line control valve 10 are in normally open；Reversal valve 13 goes to heating condition, cold with gas by indoor air-conditioning system
But device 2 carries out heat exchange and realizes heating to room air, needs to be illustrated, and the indoor air-conditioning system includes but unlimited
In blower and the controller of blower, the indoor air-conditioning system includes but is not limited to the controller of blower and blower, described
Controller is realized to the start and stop of blower and the adjusting of air force.
3, freeze (air conditioning) (for cold water) operating condition: closing the first bypass control valve (BCV) 9 for being connected with heat exchanger 8 and the
Two bypass control valve (BCV)s 11, main line control valve 10 are in normally open；Reversal valve 13 goes to cooling condition, CO2Working medium passes through gas
Body cooler 2 is condensed into liquid, after electric expansion valve throttles enter evaporator 7, and in the evaporator 7 simultaneously with it is associated
Indoor air-conditioning system or chilled water system heat exchange realize room air refrigeration and provide cold water.
4, it heats (air conditioning)+heating water condition: closing the first bypass control valve (BCV) 9 and second being connected with heat exchanger 8
Bypass control valve (BCV) 11, main line control valve 10 are in normally open；Reversal valve 13 goes to heating condition, passes through gas cooler 2
Exchanging heat simultaneously with associated indoor air-conditioning system and hot-water heating system realizes heating+hot water preparation of room air, and with
The heating of room air is priority principle.
5, refrigeration (air conditioning)+water heating (can supply cold water) operating condition: closing the main line control valve 10 of heat exchanger 8,
First bypass control valve (BCV) 9 and the second bypass control valve (BCV) 11 are in normally open, and reversal valve 13 goes to cooling condition, cold by gas
But after device 2 and the heat exchange realization of associated hot-water heating system prepare hot water, CO2Working medium is condensed into liquid, throttles through electric expansion valve
Enter evaporator 7 afterwards, and exchange heat simultaneously with associated indoor air-conditioning system and chilled water system in the evaporator 7, realizes interior
Air cooling and offer cold water.
In the present embodiment, check valve 5 is additionally provided between the expansion valve 4 and evaporator 7, and the expansion valve 4 is
Electric expansion valve.Charging valve 3 is additionally provided between the regenerator 14 and electric expansion valve.The electric expansion valve, which has, to be adjusted
Range is wide, adjusts the features such as reaction is fast.It can rapidly joined when needing to increase refrigerant using the charging valve 3,
The normal operation of guarantee system.
In the present embodiment, the reversal valve 13 is four-way reversing valve.
Specifically, the four-way reversing valve can allow, the critical-cross carbon dioxide air source heat pump is cold, warm, water trilogy supply system
The operating mode in above-mentioned different five of uniting toggles；It needs to be illustrated, those skilled in the art should understand that be,
If other components or valve is selected equally to realize that the effect of the present embodiment also should be among the protection scope of the application.
In the present embodiment, the main line control valve 10, the first bypass control valve (BCV) 9 and the second bypass control valve (BCV) 11 are electricity
Magnet valve.It is realized in the utility model by using solenoid valve and main line and the on-off of bypass is controlled, with structure
Simply, the advantages that being quick on the draw, be at low cost.
In addition, the critical-cross carbon dioxide air source heat pump is cold, can also be by pressing in warm, water combined supply system
It is provided with a threeway between contracting machine 1 and four-way reversing valve 13, and then forms a defrosting bypass, in the pipeline of the defrosting bypass
Upper one defrosting bypass solenoid valve 6 of setting realizes the switch control of defrosting.And by be in systems arranged multiple safety valves 15,
Pressure sensor 16 and temperature sensor 17, can be realized the positive closing of the detection and pipeline to pressure and temperature data with
It opens.
Cold, warm, water combined supply system the operational mode of critical-cross carbon dioxide air source heat pump includes the following:
Manual mode: following five kinds of operating conditions are manually booted: 1. individually heating water conditions, 2. heating (air conditioning) operating conditions,
3. freeze (air conditioning) (for cold water) operating condition, 4. heating (air conditioning)+heating water condition, 5. refrigeration (air conditioning)+
It heats water condition (cold water can be supplied).Halt system operation is manually booted, all above operations are only single operation.
Time control mode: by clock control system start and stop, five kinds of operating conditions: 1. individually heat water condition, 2. heating (air tune
Save) operating condition, 3. refrigeration (air conditioning) (for cold water) operating conditions, 4. heatings (air conditioning)+heating water condition, 5. refrigeration (skies
Controlled atmosphere section)+heating water condition (cold water can be supplied).Above five kinds of modes can be respectively set to primary or repeat daily.
If being set as primary (default), manual mode is converted into after the completion of time control mode operation.If being set as repeating, hold every time
System will be alarmed after being switched to manual mode after row, not have other manual operation systems by autostop within 5 minutes.Such as setting system
The initial time run of uniting and termination time (can use pop-up dialog box, be accurate to minute), when operation of heat pump is to when terminating
Between after be automatically stopped operation, need manual setting that could run again.
Temperature control mode: water temperature controls in a certain range in gas cooler 2, heat exchanger 8.Such as when preparing hot water,
If the holding temperature that storage hot water is arranged is 45 DEG C, setting temperature control start-up temperature is 50 DEG C, and setting water supply shutdown temperature is
If 55 DEG C of supply water inflow temperatures are lower than 50 DEG C, system will start automatically, when water supply inflow temperature is higher than 55 DEG C, be
System will be out of service.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (5)
1. critical-cross carbon dioxide air source heat pump is cold, warm, water combined supply system, it is characterised in that: cold including compressor, gas
But device, regenerator, evaporator and gas-liquid separator；The output end of the compressor is connected with the input terminal of gas cooler, institute
The output end for stating gas cooler is connected with the input terminal of regenerator, and the output end of the regenerator passes through an expansion valve and evaporation
The input terminal of device is connected, and the output end of the evaporator is connected with the input terminal of gas-liquid separator, the gas-liquid separator it is defeated
Outlet is connected with the input terminal of regenerator, and the output end of the regenerator is connected with the input terminal of compressor, the compressor, gas
Body cooler, evaporator and gas-liquid separator are connected with a reversal valve respectively, set on the main line of the reversal valve and evaporator
It is equipped with main line control valve, the both ends of the main line control valve pass through the first bypass control valve (BCV) and the second bypass control valve (BCV) respectively
It is connected with heat exchanger.
2. critical-cross carbon dioxide air source heat pump according to claim 1 is cold, warm, water combined supply system, feature exists
In: check valve is additionally provided between the expansion valve and evaporator, and the expansion valve is electric expansion valve.
3. critical-cross carbon dioxide air source heat pump according to claim 2 is cold, warm, water combined supply system, feature exists
In: charging valve is additionally provided between the regenerator and electric expansion valve.
4. critical-cross carbon dioxide air source heat pump according to claim 1 is cold, warm, water combined supply system, feature exists
In: the reversal valve is four-way reversing valve.
5. critical-cross carbon dioxide air source heat pump according to claim 1 is cold, warm, water combined supply system, feature exists
In: the main line control valve, the first bypass control valve (BCV) and the second bypass control valve (BCV) are solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820781301.6U CN208253839U (en) | 2018-05-23 | 2018-05-23 | Critical-cross carbon dioxide air source heat pump is cold, warm, water combined supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820781301.6U CN208253839U (en) | 2018-05-23 | 2018-05-23 | Critical-cross carbon dioxide air source heat pump is cold, warm, water combined supply system |
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| CN208253839U true CN208253839U (en) | 2018-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820781301.6U Expired - Fee Related CN208253839U (en) | 2018-05-23 | 2018-05-23 | Critical-cross carbon dioxide air source heat pump is cold, warm, water combined supply system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488974A (en) * | 2018-05-23 | 2018-09-04 | 江苏国能绿地能源科技有限公司 | Critical-cross carbon dioxide air source heat pump is cold, warm, water combined supply system and method |
-
2018
- 2018-05-23 CN CN201820781301.6U patent/CN208253839U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488974A (en) * | 2018-05-23 | 2018-09-04 | 江苏国能绿地能源科技有限公司 | Critical-cross carbon dioxide air source heat pump is cold, warm, water combined supply system and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |