CN208952453U - A kind of double-condenser step temperature difference air energy high temperature thermal pump water heater group - Google Patents
A kind of double-condenser step temperature difference air energy high temperature thermal pump water heater group Download PDFInfo
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- CN208952453U CN208952453U CN201821191820.3U CN201821191820U CN208952453U CN 208952453 U CN208952453 U CN 208952453U CN 201821191820 U CN201821191820 U CN 201821191820U CN 208952453 U CN208952453 U CN 208952453U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model discloses a kind of double-condenser step temperature difference air energy high temperature thermal pump water heater groups.The air energy high temperature thermal pump water heater group, including compressor, four-way valve, first condenser, second condenser, first electric expansion valve, Economy of Intermediate Form device, second electric expansion valve, evaporator and gas-liquid separator, the compressor, four-way valve, user side warm condenser, user side low-temperature condenser, Economy of Intermediate Form device, second electric expansion valve, evaporator passes sequentially through refrigerant line with gas-liquid separator and is connected to composition major loop, bypass is provided on the major loop, the first electric expansion valve is provided on the bypass, first electric expansion valve is set between user side low-temperature condenser and Economy of Intermediate Form device.The utility model configures double-condenser, makes full use of the step temperature difference, improves energy utilization rate to greatest extent, greatly improves the comprehensive utilization ratio of air energy high temperature thermal pump water heater group.
Description
Technical field:
The utility model belongs to Heating,Ventilating and Air Conditioning technical field, and in particular to a kind of double-condenser step temperature difference air energy high temperature
Heat-pump hot-water unit.
Background technique:
Air source hot pump water heater is exactly that the heat in air is transported in water by refrigerant fluid as its name suggests, tradition
Electric heater and gas heater be thermal energy to be obtained by consumption combustion gas and electric energy, and air energy water heater is to pass through absorption
Heat in air achievees the purpose that heat water, can be absorbed in the case where consuming identical electric energy and be equivalent to 3-5 times of electric energy
The thermal energy of left and right heats water.
Since thermal energy can not all be converted to mechanical work, thus, compared with mechanical energy, electric energy, grade is lower.Hot merit
Transfer efficiency is related with temperature height, and the grade of high temperature heat is higher than low temperature heat energy.All irreversible procedures are towards reduction energy
The direction for measuring grade carries out.In order to which the drawback for overcoming heat utilization rate not high is made full use of not using energy cascade utilization technology
The thermal energy of synthermal, different grades, can be improved the efficiency of energy utilization of whole system, be energy-efficient important measures.
Air energy heat pump can not only prepare domestic hot-water, can also prepare heating hot water or heated air temperature.As one kind
The product that clean energy resource utilizes, multifunctional usage heat-pump hot-water unit meet the needs of current social development.Develop multi-functional heat
Pump is intended to make full use of the thermal energy of different temperatures and grade, researches and develops the multifunctional usage heat-pump hot-water unit tool for being suitble to low temperature environment
It holds out broad prospects, meanwhile, it can also bring good economic benefit and social benefit.
Utility model content:
The purpose of this utility model is to provide a kind of double-condenser step temperature difference air energy high temperature thermal pump water heater group,
On the basis of quasi- two-stage compression Cyclical Theory, provide it is a kind of using the step temperature difference, structure is simple, work efficiency is high, is applicable in wideband
The series connection double-condenser air energy high temperature thermal pump water heater group of operation can prepare heating hot water while preparing domestic hot-water,
Substantially increase the efficiency of energy utilization of heat pump.
The utility model is achieved by the following technical programs:
A kind of double-condenser step temperature difference air energy high temperature thermal pump water heater group, including compressor, four-way valve, user side are high
Warm condenser, user side low-temperature condenser, the first electric expansion valve, Economy of Intermediate Form device, the second electric expansion valve, evaporator are gentle
Liquid/gas separator, the compressor, four-way valve, user side warm condenser, user side low-temperature condenser, Economy of Intermediate Form device,
Two electric expansion valves, evaporator and gas-liquid separator pass sequentially through refrigerant line and are connected to composition major loop, the major loop
On be provided with bypass, the first electric expansion valve, Economy of Intermediate Form device and compressor being sequentially communicated, institute are provided on the bypass
The first electric expansion valve stated is set between user side low-temperature condenser and Economy of Intermediate Form device.
User side warm condenser is used to prepare the domestic hot-water of temperature requirement higher (60/55 DEG C), user side low temperature cold
Condenser is used to prepare the heating hot water of temperature requirement lower (45/40 DEG C).
The utility model proposes double-condenser step temperature difference air energy high temperature thermal pump water heater group, process are as follows: from user
The refrigerant that side low-temperature condenser comes out is divided into two-way, and main road throttles again after passing through Economy of Intermediate Form device, and bypass passes through the first electronics
After expansion valve throttling, with main road refrigerant heat exchanger in Economy of Intermediate Form device, after becoming refrigerant vapour, the auxiliary of compressor is filled into
Air inlet increases the refrigerant flow in compressor, so that it is guaranteed that the heating capacity under worst cold case.
Further, the user side warm condenser is pure adverse current shell-and-tube heat exchanger, the user side low temperature
Condenser is pure adverse current shell-and-tube heat exchanger.Pure adverse current shell-and-tube heat exchanger can reduce heat transfer temperature difference to the greatest extent, and reach a high temperature water outlet
Effect.
It is preferred that the first interface of the four-way valve is connected with the exhaust outlet of compressor, the second of the four-way valve
Interface is connected with one end of the first condenser, and the third interface of the four-way valve is connected with the outlet of evaporator, described
The 4th interface of four-way valve be connected with the import of gas-liquid separator.
It is preferred that exhaust outlet, air entry and auxilairy air intake are provided on the compressor, the exhaust outlet and four-way
The first interface of valve is connected, and the air entry is connected with the outlet of gas-liquid separator, and the auxilairy air intake is in
Between the outlet of economizer be connected.
It is preferred that the compressor is frequency conversion Gas-supplying enthalpy-increasing twin-stage scroll compressor.Frequency conversion Gas-supplying enthalpy-increasing twin-stage is vortexed
For formula compressor, it can be achieved that wideband is run, compression ratio adjustment range is up to 1:15, especially suitable for low temperature ambient conditions, and can protect
Demonstrate,prove heat-pump hot-water unit high-temperature water outlet
It is preferred that the Economy of Intermediate Form device is pure adverse current shell-and-tube heat exchanger.Pure adverse current shell-and-tube heat exchanger has
Advantage compact-sized, small in size.
It is preferred that all parts of the major loop are provided with temperature sensor and/or pressure sensor.Temperature sensor
Guarantee air energy high temperature thermal pump water heater with the setting of pressure sensor convenient for observing the temperature and pressure of all parts in real time
The normal operation of group.
The beneficial effects of the utility model are:
1, the utility model has well solved air energy high temperature thermal pump water heater group at low ambient temperatures, normal table system
The problem of taking thermobiosis hot water and heating hot water.
2, the utility model configures double-condenser, makes full use of the step temperature difference, improves energy utilization rate to greatest extent, significantly
Improve the comprehensive utilization ratio of air energy high temperature thermal pump water heater group.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the refrigerant flow circuit schematic diagram of the utility model embodiment 1, and arrow indicates the flow direction of refrigerant；
Description of symbols: 1, frequency conversion tonifying Qi twin-stage scroll compressor；2, four-way valve；3, user side warm condenser；
4, user side low-temperature condenser, the 5, first electric expansion valve；6, Economy of Intermediate Form device；7, the second electric expansion valve；8, evaporator；9,
Gas-liquid separator.
Specific embodiment:
Following embodiment is the further explanation to the utility model, rather than limitations of the present invention.
Except special instruction, the equipment and material mentioned in the utility model are commercially available.
In the description of the present invention, it should be understood that the numbers such as term " first ", " second " are only used for description mesh
, it is not understood to indicate or imply relative importance or implicitly indicates the quantity of indicated technical characteristic, limit as a result,
Surely having the feature of " first ", " second " can explicitly or implicitly include at least one of the features.
Embodiment 1:
As shown in Fig. 1~2, a kind of double-condenser step temperature difference air energy high temperature thermal pump water heater group, including compressor, four
Port valve 2, user side warm condenser 3, user side low-temperature condenser 4, the first electric expansion valve 5, the 6, second electricity of Economy of Intermediate Form device
Sub- expansion valve 7, evaporator 8 and gas-liquid separator 9, compressor, four-way valve 2, user side warm condenser 3, user side low temperature cold
Condenser 4, Economy of Intermediate Form device 6, the second electric expansion valve 7, evaporator 8 pass sequentially through refrigerant line with gas-liquid separator 9 and are connected to
Major loop is formed, bypass is provided on major loop, the first electric expansion valve 5 being sequentially communicated, Economy of Intermediate Form is provided on bypass
Device 6 and compressor 1, the first electric expansion valve 5 are set between user side low-temperature condenser 4 and Economy of Intermediate Form device 6.
In the present embodiment, air energy high temperature thermal pump water heater group configuration series connection double-condenser, user side warm condenser 3
Mainly for the preparation of 60/55 DEG C of domestic hot-water；User side low-temperature condenser 4 is mainly for the preparation of 45/40 DEG C of heating hot water.
The first interface of four-way valve 2 is connected with the exhaust outlet of compressor, the second interface and user side high temperature of four-way valve 2
One end of condenser 3 is connected, and the third interface of four-way valve 2 is connected with the outlet of evaporator 8, the 4th interface of four-way valve 2
It is connected with the import of gas-liquid separator 9.
In the present embodiment, compressor is frequency conversion Gas-supplying enthalpy-increasing twin-stage scroll compressor 1.Frequency conversion Gas-supplying enthalpy-increasing twin-stage whirlpool
Rotary compressor 1 can realize that wideband is run, and compression ratio adjustment range is up to 1:15, especially suitable for ultra-low temperature surroundings operating condition, and
It can guarantee the stable leaving water temperature of heat pump.
It is provided with exhaust outlet, air entry and auxilairy air intake on buckling frequency Gas-supplying enthalpy-increasing twin-stage scroll compressor 1, is vented
Mouth is connected with the first interface of four-way valve 2, and air entry is connected with the outlet of gas-liquid separator 9, auxilairy air intake and centre
The outlet of economizer 6 is connected.
User side warm condenser 3 and user side low-temperature condenser 4 are adverse current shell-and-tube heat exchanger, adverse current pipe shell type heat exchange
Device can reduce heat transfer temperature difference to the greatest extent, the effect for the water outlet that reaches a high temperature.Economy of Intermediate Form device 6 is pure adverse current shell-and-tube heat exchanger, really
It protects from the refrigerant vapour separated without liquid and enters 1 auxilairy air intake of frequency conversion Gas-supplying enthalpy-increasing twin-stage scroll compressor, from
And prevent compressor from liquid hit phenomenon occurs, and have the advantages that compact-sized, small in size.
The all parts of major loop are provided with temperature sensor and/or pressure sensor.Temperature sensor and pressure sensing
The setting of device guarantees the normal fortune of air energy high temperature thermal pump water heater group convenient for observing the temperature and pressure of all parts in real time
Row.
Heating condition can be divided into room temperature heating condition and low-temperature heating operating condition, and the temperature spot of operating condition switching can be according to specific feelings
Condition setting, usually between -3 DEG C to 0 DEG C.Two kinds of heating conditions are carried out by the opening and closing of the first electric expansion valve 5 of control
Conversion, refrigerant flow circuit is referring to fig. 2.
Under room temperature heating condition, the first electric expansion valve 5 is closed, Economy of Intermediate Form device 6 does not play any heat exchange, passes through
The aperture for adjusting the second electric expansion valve 7, can meet heating and domestic hot-water's heating needs.Under low-temperature heating operating condition, open
The first electric expansion valve 5 is opened, at this point, being divided into two-way from the refrigerant that user side low-temperature condenser 4 comes out, main road passes through intermediate warp
It throttles after Ji device 6 using the second electric expansion valve 7, after bypass is throttled by the first electric expansion valve 5, in Economy of Intermediate Form device 6
Interior and main road refrigerant heat exchanger, after becoming refrigerant vapour, fills into the additional-air inlet of frequency conversion tonifying Qi twin-stage scroll compressor 1
Mouthful, increase the refrigerant flow in frequency conversion tonifying Qi twin-stage scroll compressor 1, so that it is guaranteed that the heating capacity under worst cold case.
According to extraneous varying environment temperature, the frequency and the first electronics of frequency conversion tonifying Qi twin-stage scroll compressor 1 are adjusted
The aperture of expansion valve 5, the second electric expansion valve 7, to guarantee stable high-temperature water outlet temperature.
Above to a kind of double-condenser step temperature difference air energy high temperature thermal pump water heater group progress provided by the utility model
Detailed introduction, the above embodiments are only used to help understand the technical solution of the utility model and its core are thought
Think, it is noted that those of ordinary skill in the art, without departing from the principle of this utility model, may be used also
With to the utility model, some improvement and modification can also be carried out, these improvement and modification also fall into the protection of the utility model claims
In range.
Claims (7)
1. a kind of double-condenser step temperature difference air energy high temperature thermal pump water heater group, which is characterized in that including compressor, four-way
Valve, user side warm condenser, user side low-temperature condenser, the first electric expansion valve, Economy of Intermediate Form device, the second electronic expansion
Valve, evaporator and gas-liquid separator, the compressor, four-way valve, user side warm condenser, user side low-temperature condenser,
Economy of Intermediate Form device, the second electric expansion valve, evaporator and gas-liquid separator pass sequentially through refrigerant line and are connected to composition major loop,
It is provided with bypass on the major loop, the first electric expansion valve being sequentially communicated, Economy of Intermediate Form are provided on the bypass
Device and compressor, first electric expansion valve are set between user side low-temperature condenser and Economy of Intermediate Form device.
2. double-condenser step temperature difference air energy high temperature thermal pump water heater group according to claim 1, which is characterized in that institute
The user side warm condenser stated is pure adverse current shell-and-tube heat exchanger, and the user side low-temperature condenser is pure adverse current shell-and-tube
Heat exchanger.
3. double-condenser step temperature difference air energy high temperature thermal pump water heater group according to claim 1, which is characterized in that institute
The first interface for the four-way valve stated is connected with the exhaust outlet of compressor, the second interface of the four-way valve and the first condenser
One end be connected, the third interface of the four-way valve is connected with the outlet of evaporator, and the 4th of the four-way valve connects
Mouth is connected with the import of gas-liquid separator.
4. double-condenser step temperature difference air energy high temperature thermal pump water heater group according to claim 1, which is characterized in that institute
Exhaust outlet, air entry and auxilairy air intake, the first interface phase of the exhaust outlet and four-way valve are provided on the compressor stated
Connection, the air entry are connected with the outlet of gas-liquid separator, the outlet of the auxilairy air intake and Economy of Intermediate Form device
It is connected.
5. double-condenser step temperature difference air energy high temperature thermal pump water heater group according to claim 1, which is characterized in that institute
The compressor stated is frequency conversion Gas-supplying enthalpy-increasing twin-stage scroll compressor.
6. double-condenser step temperature difference air energy high temperature thermal pump water heater group according to claim 1, which is characterized in that institute
The Economy of Intermediate Form device stated is pure adverse current shell-and-tube heat exchanger.
7. double-condenser step temperature difference air energy high temperature thermal pump water heater group according to claim 1, which is characterized in that institute
The all parts for the major loop stated are provided with temperature sensor and/or pressure sensor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821191820.3U CN208952453U (en) | 2018-07-25 | 2018-07-25 | A kind of double-condenser step temperature difference air energy high temperature thermal pump water heater group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821191820.3U CN208952453U (en) | 2018-07-25 | 2018-07-25 | A kind of double-condenser step temperature difference air energy high temperature thermal pump water heater group |
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| CN208952453U true CN208952453U (en) | 2019-06-07 |
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| CN201821191820.3U Active CN208952453U (en) | 2018-07-25 | 2018-07-25 | A kind of double-condenser step temperature difference air energy high temperature thermal pump water heater group |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513910A (en) * | 2019-08-06 | 2019-11-29 | 德耐尔能源装备有限公司 | A kind of list is for refrigeration-type air screw source heat pump |
| CN110513911A (en) * | 2019-08-06 | 2019-11-29 | 德耐尔能源装备有限公司 | A kind of list is for heating formula air screw source heat pump |
| CN111964261A (en) * | 2020-08-28 | 2020-11-20 | 中原工学院 | Concentration-adjustable wide-temperature-area directly-heated heat pump water heater and working method thereof |
| CN112393454A (en) * | 2020-07-09 | 2021-02-23 | 香港城市大学深圳研究院 | Double-temperature air source heat pump unit |
| CN113339962A (en) * | 2021-05-12 | 2021-09-03 | 北京市建筑设计研究院有限公司 | Control method of airplane ground air conditioning system |
-
2018
- 2018-07-25 CN CN201821191820.3U patent/CN208952453U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513910A (en) * | 2019-08-06 | 2019-11-29 | 德耐尔能源装备有限公司 | A kind of list is for refrigeration-type air screw source heat pump |
| CN110513911A (en) * | 2019-08-06 | 2019-11-29 | 德耐尔能源装备有限公司 | A kind of list is for heating formula air screw source heat pump |
| CN112393454A (en) * | 2020-07-09 | 2021-02-23 | 香港城市大学深圳研究院 | Double-temperature air source heat pump unit |
| CN111964261A (en) * | 2020-08-28 | 2020-11-20 | 中原工学院 | Concentration-adjustable wide-temperature-area directly-heated heat pump water heater and working method thereof |
| CN113339962A (en) * | 2021-05-12 | 2021-09-03 | 北京市建筑设计研究院有限公司 | Control method of airplane ground air conditioning system |
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