CN209622910U - A kind of air source heat pump heating system - Google Patents
A kind of air source heat pump heating system Download PDFInfo
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- CN209622910U CN209622910U CN201920224022.4U CN201920224022U CN209622910U CN 209622910 U CN209622910 U CN 209622910U CN 201920224022 U CN201920224022 U CN 201920224022U CN 209622910 U CN209622910 U CN 209622910U
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Abstract
The utility model discloses a kind of air source heat pump heating systems, comprising: the low-temperature level circulatory system, the high-temperature level circulatory system, the low-temperature level circulatory system and the heat exchange of the high-temperature level circulatory system；The low-temperature level circulatory system includes low-temperature level evaporator, low-temperature level gas-liquid separator, low-temperature level compressor, intermediate condensation heat exchanger, low-temperature level liquid reservoir, low-temperature level device for drying and filtering, low-temperature level restriction expansion device；The high-temperature level circulatory system includes high-temperature level gas-liquid separator, high-temperature level compressor, high-temperature level condenser, high-temperature level liquid reservoir, high-temperature level device for drying and filtering, high-temperature level restriction expansion device.The utility model heats mode using low-temperature level and high-temperature level Two-way Cycle overlapping, and can be adjusted on a large scale to flow, pressure, substantially increases heating efficiency, has saved energy consumption.
Description
Technical field
The utility model belongs to heat supply process field more particularly to a kind of air source heat pump heating system.
Background technique
It is typically all to be warmed oneself in a manner of central heating in the northern area of China, before this, traditional central heating is big
Coal-burning boiler is mostly used, with the appearance of " cleaning heats " relevant policies, air source heat pump is increasingly becoming the " new lover of central heating
Youngster ", but for now, based on the single cycle air source heat pump mainly driven in the market with screw compressor, this list
Circulation air source heat pump heating efficiency is low, and energy consumption is high, deficiency in economic performance.
Utility model content
To solve the above problems, the utility model proposes a kind of air source heat pump heating system, which is adopted
Mode is heated with low-temperature level and high-temperature level Two-way Cycle overlapping, and flow, pressure can be adjusted on a large scale, system is substantially increased
The thermal efficiency has saved energy consumption.
To achieve the goals above, the utility model uses following scheme, comprising:
The low-temperature level circulatory system, the high-temperature level circulatory system, the low-temperature level circulatory system and high-temperature level circulatory system heat are handed over
It changes；
The low-temperature level circulatory system includes several groups low-temperature level evaporator, the outlet low-temperature level of low-temperature level evaporator
Gas-liquid separator, low-temperature level gas-liquid separator are connected to low-temperature level compressor, and low-temperature level compressor is connected to intermediate condensation heat exchanger, in
Between condensing heat exchanger be connected to low-temperature level liquid reservoir, low-temperature level liquid reservoir be connected to low-temperature level device for drying and filtering, low-temperature level dry filter
Device is connected to low-temperature level restriction expansion device, and low-temperature level restriction expansion device is connected to the entrance of low-temperature level evaporator；
The high-temperature level circulatory system includes the high-temperature level gas-liquid separator for being connected to intermediate condensation heat exchanger exit, high-temperature level
Gas-liquid separator is connected to high-temperature level compressor, and high-temperature level compressor is connected to high-temperature level condenser, and high-temperature level condenser is connected to high temperature
Grade liquid reservoir, high-temperature level liquid reservoir are connected to high-temperature level device for drying and filtering, and high-temperature level device for drying and filtering is connected to high-temperature level throttling expansion
Device, high-temperature level restriction expansion device are connected to the entrance of intermediate condensation heat exchanger.
The low-temperature level restriction expansion device is by the first solenoid valve, the first electric expansion valve and connects, the high-temperature level
Restriction expansion device is by second solenoid valve, the second electric expansion valve and connects.
The low-temperature level compressor is connected to intermediate condensation heat exchanger, be low-temperature level compressor and intermediate condensation heat exchanger it
Between concatenate third solenoid valve, it is in intermediate condensation heat exchanger and low temperature that the intermediate condensation heat exchanger, which is connected to low-temperature level liquid reservoir,
The 4th solenoid valve is concatenated between grade liquid reservoir, the intermediate condensation heat exchanger is connected to high-temperature level gas-liquid separator, is intermediate cold
The 9th solenoid valve is concatenated between solidifying heat exchanger and high-temperature level gas-liquid separator.
Low-temperature level cooling circuit is equipped between the intermediate condensation heat exchanger and low-temperature level compressor, the low-temperature level is cooling
Circuit includes the 5th solenoid valve for being connected to intermediate condensation heat exchanger, and the other end of the 5th solenoid valve is connected to third electronic expansion
Valve, the other end of the third electric expansion valve are respectively communicated with the first refrigerant inlet of low-temperature level compressor, the 6th solenoid valve, this
The other end of six solenoid valves is connected to the second refrigerant inlet of low-temperature level compressor.
High-temperature level cooling circuit is equipped between the high-temperature level condenser and high-temperature level compressor, the high-temperature level cools back
Road includes the 7th solenoid valve for being connected to high-temperature level condenser, and the other end of the 7th solenoid valve is connected to the 4th electric expansion valve, should
The other end of 4th electric expansion valve is respectively communicated with the first refrigerant inlet of high-temperature level compressor, the 8th solenoid valve, the 8th electricity
Second refrigerant inlet of the other end connection high-temperature level compressor of magnet valve.
The low-temperature level compressor is additionally provided with the low-temperature level refrigerant return channel of connection low-temperature level gas-liquid separator；The height
Warm grade compressor is additionally provided with the high-temperature level refrigerant return channel of connection high-temperature level gas-liquid separator.
The low-temperature level refrigerant is R410a, and the high-temperature level refrigerant is R134a.
The low-temperature level compressor, high-temperature level compressor are centrifugal compressor, and the low-temperature level evaporator is fin and tube type
Evaporator, the high-temperature level condenser are shell-and-tube cooler.
The utility model heats mode using low-temperature level and high-temperature level Two-way Cycle overlapping, and can carry out to flow, pressure big
Range is adjusted, and is substantially increased heating efficiency, has been saved energy consumption.
Detailed description of the invention
Fig. 1 is the utility model air source heat pump heating system structural schematic diagram.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing, so that those skilled in the art can be more
Add and be apparent from, as shown in Figure 1, the utility model includes:
The low-temperature level circulatory system, the high-temperature level circulatory system, the low-temperature level circulatory system and high-temperature level circulatory system heat are handed over
It changes；
The low-temperature level circulatory system includes several groups low-temperature level evaporator 1, the outlet low temperature of low-temperature level evaporator
Grade gas-liquid separator 2, low-temperature level gas-liquid separator are connected to low-temperature level compressor 3, and low-temperature level compressor is connected to intermediate condensation heat exchange
Device 4, intermediate condensation heat exchanger are connected to low-temperature level liquid reservoir 5, and low-temperature level liquid reservoir is connected to low-temperature level device for drying and filtering 6, low-temperature level
Device for drying and filtering is connected to low-temperature level restriction expansion device 7, and low-temperature level restriction expansion device is connected to the entrance of low-temperature level evaporator；
The high-temperature level circulatory system includes the high-temperature level gas-liquid separator 8 for being connected to intermediate condensation heat exchanger exit, high temperature
Grade gas-liquid separator is connected to high-temperature level compressor 9, and high-temperature level compressor is connected to high-temperature level condenser 10, the connection of high-temperature level condenser
High-temperature level liquid reservoir 11, high-temperature level liquid reservoir are connected to high-temperature level device for drying and filtering 12, and high-temperature level device for drying and filtering is connected to high-temperature level
Restriction expansion device 13, high-temperature level restriction expansion device are connected to the entrance of intermediate condensation heat exchanger.
The low-temperature level restriction expansion device 7 is by the first solenoid valve 14, the first electric expansion valve 15 and connects, the height
Warm grade restriction expansion device 13 is by second solenoid valve 16, the second electric expansion valve 17 and connects.
The low-temperature level compressor is connected to intermediate condensation heat exchanger, be low-temperature level compressor and intermediate condensation heat exchanger it
Between concatenate third solenoid valve 18, the intermediate condensation heat exchanger is connected to low-temperature level liquid reservoir, be intermediate condensation heat exchanger with it is low
The 4th solenoid valve 19 is concatenated between warm grade liquid reservoir, it is in that the intermediate condensation heat exchanger, which is connected to high-temperature level gas-liquid separator,
Between the 9th solenoid valve 26 is concatenated between condensing heat exchanger and high-temperature level gas-liquid separator.
Low-temperature level cooling circuit is equipped between the intermediate condensation heat exchanger and low-temperature level compressor, the low-temperature level is cooling
Circuit includes the 5th solenoid valve 20 for being connected to intermediate condensation heat exchanger, and the other end of the 5th solenoid valve is connected to third electronic expansion
Valve 21, the other end of the third electric expansion valve are respectively communicated with the first refrigerant inlet of low-temperature level compressor, the 6th solenoid valve 22,
The other end of 6th solenoid valve is connected to the second refrigerant inlet of low-temperature level compressor.
High-temperature level cooling circuit is equipped between the high-temperature level condenser and high-temperature level compressor, the high-temperature level cools back
Road includes the 7th solenoid valve 23 for being connected to high-temperature level condenser, and the other end of the 7th solenoid valve is connected to the 4th electric expansion valve
24, the other end of the 4th electric expansion valve is respectively communicated with the first refrigerant inlet of high-temperature level compressor, the 8th solenoid valve 25, should
Second refrigerant inlet of the other end connection high-temperature level compressor of the 8th solenoid valve.
The low-temperature level compressor is additionally provided with the low-temperature level refrigerant return channel of connection low-temperature level gas-liquid separator；The height
Warm grade compressor is additionally provided with the high-temperature level refrigerant return channel of connection high-temperature level gas-liquid separator.
As the preferred embodiment of the utility model, the low-temperature level refrigerant is R410a, and the high-temperature level refrigerant is
R134a。
As the preferred embodiment of the utility model, the low-temperature level compressor, high-temperature level compressor are centrifugal compressed
Machine, the low-temperature level evaporator are fin and tube type evaporator, and the high-temperature level condenser is shell-and-tube cooler.
When work, it is high pressure gaseous refrigerant, high temperature and pressure gas that low-pressure low-temperature refrigerant, which enters low-temperature level compressor compresses,
State refrigerant is condensed into the highly pressurised liquid of supercooled liquid in intermediate condensation heat exchanger, dry by low-temperature level liquid reservoir, low-temperature level
Filter is converted to low temperature using restriction expansion device, continues to evaporate subsequently into low-temperature level evaporator.High temperature
Grade refrigerant evaporates in intermediate condensation heat exchanger, condenses in high-temperature level condenser with after hot water heat exchange, sequentially enters after condensation
High-temperature level liquid reservoir, high-temperature level device for drying and filtering, using high-temperature level restriction expansion device carry out throttling expansion, then again into
Enter the evaporation of intermediate condensation heat exchanger, forms system circulation.
The utility model heats mode using low-temperature level and high-temperature level Two-way Cycle overlapping, and can carry out to flow, pressure big
Range is adjusted, and is substantially increased heating efficiency, has been saved energy consumption.
Claims (8)
1. a kind of air source heat pump heating system, it is characterised in that:
The air source heat pump heating system includes the low-temperature level circulatory system, the high-temperature level circulatory system, the low-temperature level cyclic system
System and the heat exchange of the high-temperature level circulatory system；
The low-temperature level circulatory system includes several groups low-temperature level evaporator (1), the outlet low-temperature level of low-temperature level evaporator
Gas-liquid separator (2), low-temperature level gas-liquid separator are connected to low-temperature level compressor (3), and low-temperature level compressor connection intermediate condensation is changed
Hot device (4), intermediate condensation heat exchanger are connected to low-temperature level liquid reservoir (5), and low-temperature level liquid reservoir is connected to low-temperature level device for drying and filtering
(6), low-temperature level device for drying and filtering connection low-temperature level restriction expansion device (7), low-temperature level restriction expansion device are connected to low-temperature level and steam
Send out the entrance of device；
The high-temperature level circulatory system includes the high-temperature level gas-liquid separator (8) for being connected to intermediate condensation heat exchanger exit, high-temperature level
Gas-liquid separator is connected to high-temperature level compressor (9), and high-temperature level compressor is connected to high-temperature level condenser (10), and high-temperature level condenser connects
Logical high-temperature level liquid reservoir (11), high-temperature level liquid reservoir are connected to high-temperature level device for drying and filtering (12), the connection of high-temperature level device for drying and filtering
High-temperature level restriction expansion device (13), high-temperature level restriction expansion device are connected to the entrance of intermediate condensation heat exchanger.
2. air source heat pump heating system according to claim 1, it is characterised in that: the low-temperature level restriction expansion device
(7) it by the first solenoid valve (14), the first electric expansion valve (15) and connects, the high-temperature level restriction expansion device (13) is by
Two solenoid valves (16), the second electric expansion valve (17) simultaneously connect.
3. air source heat pump heating system according to claim 1, it is characterised in that: the low-temperature level compressor connection is intermediate
Condensing heat exchanger is that third solenoid valve (18) are concatenated between low-temperature level compressor and intermediate condensation heat exchanger, and the centre is cold
Solidifying heat exchanger is connected to low-temperature level liquid reservoir, is that the 4th solenoid valve is concatenated between intermediate condensation heat exchanger and low-temperature level liquid reservoir
(19), the intermediate condensation heat exchanger is connected to high-temperature level gas-liquid separator, is in intermediate condensation heat exchanger and high-temperature level gas-liquid point
From the 9th solenoid valve (26) of concatenation between device.
4. air source heat pump heating system according to claim 1, it is characterised in that: the intermediate condensation heat exchanger and low temperature
Low-temperature level cooling circuit is equipped between grade compressor, the low-temperature level cooling circuit includes be connected to intermediate condensation heat exchanger the 5
Solenoid valve (20), the other end of the 5th solenoid valve are connected to third electric expansion valve (21), the third electric expansion valve it is another
End is respectively communicated with the first refrigerant inlet, the 6th solenoid valve (22) of low-temperature level compressor, the other end connection of the 6th solenoid valve
The second refrigerant inlet of low-temperature level compressor.
5. air source heat pump heating system according to claim 1, it is characterised in that: the high-temperature level condenser and high-temperature level
High-temperature level cooling circuit is equipped between compressor, the high-temperature level cooling circuit includes the 7th electromagnetism for being connected to high-temperature level condenser
Valve (23), the other end of the 7th solenoid valve are connected to the 4th electric expansion valve (24), the other end point of the 4th electric expansion valve
Not Lian Tong the first refrigerant inlet of high-temperature level compressor, the 8th solenoid valve (25), the other end of the 8th solenoid valve is connected to high temperature
Second refrigerant inlet of grade compressor.
6. air source heat pump heating system according to claim 1, it is characterised in that: the low-temperature level compressor is additionally provided with company
The low-temperature level refrigerant return channel of logical low-temperature level gas-liquid separator；The high-temperature level compressor is additionally provided with connection high-temperature level gas-liquid point
High-temperature level refrigerant return channel from device.
7. air source heat pump heating system according to claim 6, it is characterised in that: the low-temperature level refrigerant is R410a, institute
Stating high-temperature level refrigerant is R134a.
8. according to claim 1 to air source heat pump heating system described in any one of 7, it is characterised in that: the low-temperature level pressure
Contracting machine, high-temperature level compressor are centrifugal compressor, and the low-temperature level evaporator is fin and tube type evaporator, the high-temperature level condensation
Device is shell-and-tube cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920224022.4U CN209622910U (en) | 2019-02-22 | 2019-02-22 | A kind of air source heat pump heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920224022.4U CN209622910U (en) | 2019-02-22 | 2019-02-22 | A kind of air source heat pump heating system |
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| Publication Number | Publication Date |
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| CN209622910U true CN209622910U (en) | 2019-11-12 |
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ID=68454289
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| CN201920224022.4U Active CN209622910U (en) | 2019-02-22 | 2019-02-22 | A kind of air source heat pump heating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708183A (en) * | 2019-02-22 | 2019-05-03 | 安徽虎渡科达流体机械有限公司 | A kind of air source heat pump heating system |
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2019
- 2019-02-22 CN CN201920224022.4U patent/CN209622910U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708183A (en) * | 2019-02-22 | 2019-05-03 | 安徽虎渡科达流体机械有限公司 | A kind of air source heat pump heating system |
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Address after: 315012 part of the first floor of buildings 1, 3 and 2, No. 8, Yunlin Middle Road, Wangchun Industrial Park, Haishu District, Ningbo City, Zhejiang Province Patentee after: Ningbo hudu Energy Technology Co.,Ltd. Address before: Room C073, second floor, east side of comprehensive service building of Huaishu Jujia No. 2 Hospital, Qinglong Bridge, Haidian District, Beijing, 100089 Patentee before: BEIJING HUDU ENERGY TECHNOLOGY Co.,Ltd. |