CN206488500U - The net for air-source heat pump units of segmentation defrosting function is realized using anti-icing fluid - Google Patents
The net for air-source heat pump units of segmentation defrosting function is realized using anti-icing fluid Download PDFInfo
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- CN206488500U CN206488500U CN201621454923.5U CN201621454923U CN206488500U CN 206488500 U CN206488500 U CN 206488500U CN 201621454923 U CN201621454923 U CN 201621454923U CN 206488500 U CN206488500 U CN 206488500U
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- evaporator
- defrost
- defrost water
- refrigerant
- icing fluid
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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
Abstract
The utility model is related to the net for air-source heat pump units that a kind of utilization anti-icing fluid realizes segmentation defrosting function.Including compressor, condenser, qi leel device, multiple evaporators, refrigerant magnetic valve and expansion valve, compressor is connected to multiple evaporators by condenser, compressor cycle is returned to by qi leel device again, the evaporator is provided with defrost water route and refrigerant pipeline, defrost water route and refrigerant pipeline are separate, refrigerant pipeline is connected by refrigerant magnetic valve and expansion valve with condenser, the defrost water route is connected to defrost water tank by defrost magnetic valve, anti-icing fluid or conduction oil are delivered to the defrost water route in evaporator by defrost water pump by the output end of defrost water tank, realize defrost, and electric heater is provided with defrost water tank.Beneficial effect is：During defrosting, other evaporators of anti-icing fluid are not entered can still enter refrigerant, be absorbed heat from air, so that the problem of continuing heat supply when solving defrosting, its defrosting effect preferably, has reached preferable promotion effect.
Description
Technical field
The utility model is related to a kind of air source heat pump thermal power plant unit, more particularly to a kind of to realize section using anti-icing fluid
The net for air-source heat pump units of white function.
Background technology
At present, people are increasingly paid close attention to energy saving and environment friendly product, the energy-saving and environmental protection of air energy heat pump collection, safety, can be complete
Weather these advantages such as uses so that this product of air source heat pump is used widely in American-European most of developed countries.It is empty
Gas energy heat pump is in the starting evening of China, and technology is relatively immature, needs to be broken through in the bottleneck of defrost this part, due to air energy thermal
The features such as pump uses comfortable, environmentally friendly, energy-conservation, effect good etc. progressively occupies fraction market, following air energy in China
The market prospects of heat pump are unlimited.
But, in cold climates, the phenomenon for frosting occur is easy on the unit coil pipe of air source heat pump, this is to whole
The normal heat supply of net for air-source heat pump units is extremely disadvantageous.Defrost technology employed in current air source heat pump mainly has three kinds：
The reverse defrost of four-way valve, hot-gas bypass defrost, electrical heating defrost.For applicable cases, using the reverse defrost of four-way valve this
The product that the technology of kind carries out defrost is relatively more.Although the defrost effect of the reverse defrost of four-way valve preferably, utilizes such a technology
When carrying out defrost, the compressor of air source heat pump stops heat supply, is reversely started running as refrigeration, thus system heating load substantially by
Influence.Through relevant test, caused heat loss accounts for the loss of air source heat pump total energy consumption when carrying out defrost using this technology
10.2%.The defrost technology is also easy to cause " liquid hammer " simultaneously, to the normal using very unfavorable of compressor.
In addition, also comparing many using the enterprise of this technology of hot-gas bypass defrost, by by one point in compressor air-discharging
One partly flowed in several evaporators is defrosted, and uses high temperature refrigerant gas-defrost；Although this technology is to whole empty
Impact caused by air supply heat pump system is smaller, and security is accordingly higher, but its it is maximum the drawbacks of be the effect of defrost not
Enough thorough for both the above technology, the utility ratio of this technology of electrical heating defrost is than relatively low.Although its actualization
White effect is ideal, but needs to use electric heating tube using electrical heating defrost, and this causes the energy consumption of air source heat pump to increase, and enters
And its advantage saved has not been existed.In addition, the service life of electric heating tube is limited, and in the presence of overheat cause it is on fire can
Can, also there is hidden danger in terms of security.In a word, defrost effect it is not ideal enough have become restriction air source heat pump it is big in China
The key factor that scope is promoted.
The content of the invention
The purpose of this utility model is realized aiming at the drawbacks described above that prior art is present there is provided one kind using anti-icing fluid
The net for air-source heat pump units of defrosting function is segmented, the utility model can continue heat supply, the good spy of defrosting effect when having defrosting
Point.
A kind of utilization anti-icing fluid that the utility model is mentioned realizes the net for air-source heat pump units of segmentation defrosting function, including pressure
Contracting machine（1）, condenser（2）, qi leel device（3）, more than one evaporator, refrigerant magnetic valve and expansion valve, compressor（1）Pass through
Condenser（2）Multiple evaporators are connected to, then pass through qi leel device（3）Return to compressor（1）Circulation, it is characterized in that：The evaporation
Device is provided with defrost water route and refrigerant pipeline, and defrost water route and refrigerant pipeline be separate, refrigerant pipeline by refrigerant magnetic valve and
Expansion valve and condenser（2）Connection, the defrost water route is connected to defrost water tank by defrost magnetic valve（10）, defrost water tank
（10）Output end pass through defrost water pump（9）Anti-icing fluid or conduction oil are delivered to the defrost water route in evaporator, defrost is realized,
And defrost water tank（10）It is interior to be provided with electric heater（11）.
Above-mentioned evaporator is provided with two groups, and one group is the first evaporator（6A）, second group is the second evaporator（6B）, described
One evaporator（6A）The input of refrigerant pipeline pass through the first expansion valve（5A-1）With the second expansion valve（5A-2）It is aggregated into
One refrigerant magnetic valve（4A）, and it is connected to condenser（2）Output end；The first described evaporator（6A）Output end be communicated to
Qi leel device（3）, and pass through qi leel device（3）Return to compressor（1）, realize circulation.
Above-mentioned second evaporator（6B）The input of refrigerant pipeline pass through the 3rd expansion valve（5B-1）With the 4th expansion valve
（5B-2）It is aggregated into the second refrigerant magnetic valve（4B）, and it is connected to condenser（2）Output end；The second described evaporator（6B）
Output end be communicated to qi leel device（3）, and pass through qi leel device（3）Return to compressor（1）, realize circulation.
Above-mentioned first evaporator（6A）Inside it is provided with the first blower fan（7A）.
Above-mentioned second evaporator（6B）Inside it is provided with the second blower fan（7B）.
Above-mentioned compressor possesses unloading operation function.
The beneficial effects of the utility model are：The evaporator quantity that the utility model is used is no less than two, each evaporation
Defrost water route and refrigerant pipeline are designed with device, defrost water route and refrigerant pipeline are separate, defrost water tank electric heating tube in drier is changed
White water tank storage anti-icing fluid or conduction oil, after jelly liquid is heated, being fed to as needed in several evaporators needs defrosting
That evaporator, during defrosting, other evaporators of anti-icing fluid are not entered can still enter refrigerant, from air
Heat absorption, so that the problem of can continuing heat supply when solving defrosting, in addition, its defrosting effect preferably, has reached preferable popularization
Effect.
Brief description of the drawings
Accompanying drawing 1 is overall structure diagram of the present utility model；
Accompanying drawing 2 is the structural representation of evaporator of the present utility model；
Schematic diagram when accompanying drawing 3 is the first evaporator operation；
Schematic diagram when accompanying drawing 4 is the second evaporator operation；
In figure：It is compressor 1, condenser 2, qi leel device 3, the first refrigerant magnetic valve 4A, the second refrigerant magnetic valve 4B, first swollen
Swollen valve 5A-1, the second expansion valve 5A-2, the 3rd expansion valve 5B-1, the 4th expansion valve 5B-2, the first evaporator 6A, the second evaporator
6B, the first blower fan 7A, the second blower fan 7B, the first defrost magnetic valve 8A, the second defrost magnetic valve 8B, defrost water pump 9, defrost water tank
10th, electric heater 11.
Embodiment
With reference to accompanying drawing 1-4, the utility model will be further described：
A kind of utilization anti-icing fluid that the utility model is mentioned realizes the net for air-source heat pump units of segmentation defrosting function, including pressure
Contracting machine 1, condenser 2, qi leel device 3, more than one evaporator, refrigerant magnetic valve and expansion valve, compressor 1 pass through condenser 2
Multiple evaporators are connected to, then compressor 1 is returned to by qi leel device 3 and are circulated, it is characterized in that：The evaporator is provided with defrost water route
And refrigerant pipeline, defrost water route and refrigerant pipeline be separate, and refrigerant pipeline passes through refrigerant magnetic valve and expansion valve and condenser 2
Connection, the defrost water route is connected to defrost water tank 10 by defrost magnetic valve, and the output end of defrost water tank 10 passes through defrosting water
Anti-icing fluid or conduction oil are delivered to the defrost water route in evaporator by pump 9, realize and electrical heating is provided with defrost, and defrost water tank 10
Device 11.In addition, it is necessary to which explanation is：Defrost pipeline is signal, does not represent adapter portion on an evaporator.
It is preferred that, evaporator of the present utility model is provided with two groups, and one group is the first evaporator 6A, and second group is the second evaporation
Device 6B, the input of the refrigerant pipeline of the first evaporator 6A is collected by the first expansion valve 5A-1 and the second expansion valve 5A-2
To the first refrigerant magnetic valve 4A, and it is connected to the output end of condenser 2；The output end of the first described evaporator 6A is communicated to gas
Divide device 3, and compressor 1 is returned to by qi leel device 3, realize circulation.
In addition, the input of the refrigerant pipeline of the second above-mentioned evaporator 6B is expanded by the 3rd expansion valve 5B-1 and the 4th
Valve 5B-2 is aggregated into the second refrigerant magnetic valve 4B, and is connected to the output end of condenser 2；The output of the second described evaporator 6B
End is communicated to qi leel device 3, and returns to compressor 1 by qi leel device 3, realizes circulation.
Wherein, it is interior provided with the second blower fan 7B provided with the first blower fan 7A, above-mentioned second evaporator 6B in the first evaporator 6A.On
State compressor and possess unloading operation function.
A kind of utilization anti-icing fluid that the utility model is mentioned realizes the use of the net for air-source heat pump units of segmentation defrosting function
Method, including procedure below：
Net for air-source heat pump units in operation, is normally when some evaporator reaches defrost condition, the step of defrost：Pressure
The unloading operation of contracting machine 1 is, it is necessary to which the refrigerant closed electromagnetic valve of the evaporator of defrost, blower fan shuts down；Defrost magnetic valve is opened, and is changed
White water pump operation, anti-icing fluid or conduction oil is pumped out from defrost water tank, being sent to needs the evaporator of defrost, and evaporator is entered
Row defrost；After defrost exit criteria is reached, defrost water pump is out of service, defrost closed electromagnetic valve, then fan operation, refrigerant
Magnetic valve is opened, and evaporator participates in kind of refrigeration cycle；Compressor loads are run, the heating of anti-icing fluid or conduction oil by electrical heating according to
The heating-up temperature of setting is carried out.
It is preferred that, when evaporator of the present utility model is provided with two groups, application method includes procedure below：
When A, net for air-source heat pump units operation, the first refrigerant magnetic valve 4A and the second refrigerant magnetic valve 4B are opened, compressor 1
Operation, the first blower fan 7A and the second blower fan 7B operations, refrigerant enter condenser 2 from compressor 1, heat are discharged in condenser 2,
Then the first evaporator 6A and the second evaporator are respectively enterd by the first refrigerant magnetic valve 4A and the second refrigerant magnetic valve 4B
6B, enters the first evaporator 6A by the first expansion valve 5A-1 and the second expansion valve 5A-2, passes through the 3rd expansion valve 5B-1 and the
Four expansion valve 5B-2 enter the second evaporator 6B, and refrigerant enters qi leel device 3 after being absorbed heat in two evaporators, enters back into compressor
1 circulation；
B, when the first evaporator 6A reaches defrost condition during net for air-source heat pump units is normally run, the step of defrost it is：
The unloading operation of compressor 1, the first evaporator 6A the first refrigerant magnetic valve 4A is closed, and the first blower fan 7A shuts down；First changes
White magnetic valve 8A is opened, and defrost water pump 9 runs, anti-icing fluid or conduction oil are pumped out from defrost water tank 9, sends into the first evaporator
6A, carries out defrost to the first evaporator 6A, reaches after defrost exit criteria, defrost water pump 9 is out of service, the first defrost magnetic valve
8A is closed, and then the first blower fan 7A is run, and the first refrigerant magnetic valve 4A is opened, and the first evaporator 6A participates in kind of refrigeration cycle, compression
Machine load operating；
The step of normal the second evaporator 6B when reaching defrost condition in operation of C, net for air-source heat pump units, defrost is：Pressure
The unloading operation of contracting machine 1, the second evaporator 6B the second refrigerant magnetic valve 4B is closed, and the second blower fan 7B shuts down；Second defrost
Magnetic valve 8B is opened, and defrost water pump 9 runs, anti-icing fluid or conduction oil are pumped out from defrost water tank 9, sends into the second evaporator
6B, carries out defrost to the second evaporator 6B, reaches after defrost exit criteria, defrost water pump 9 is out of service, the second defrost magnetic valve
8B is closed, and then the second blower fan 7B is run, and the second refrigerant magnetic valve 4B is opened, and the second evaporator 6B participates in kind of refrigeration cycle, compression
Machine load operating；
If D, the first evaporator 6A and the second evaporator 6B reach defrost condition, the first defrost of condition is first reached,
In different evaporator defrost transfer processes, compressor keeps unloading constant, when the evaporator all defrosts for reaching defrost condition are complete
Bi Hou, compressor reloads operation.
The utility model has the advantages that, during defrost, evaporator packet defrost can be achieved, while unit still can be with
Heat supply；In addition, in defrost, the influence to unit operation is small, defrost effect is good.
It is described above, only it is part preferred embodiment of the present utility model, any those skilled in the art
Equivalent technical scheme can be changed or be revised as using the technical scheme of above-mentioned elaboration.Therefore, it is new according to this practicality
Any simple modification or substitute equivalents that the technical scheme of type is carried out, belong to the greatest extent the claimed scope of the utility model.
Claims (6)
1. a kind of utilization anti-icing fluid realizes the net for air-source heat pump units of segmentation defrosting function, including compressor（1）, condenser（2）、
Qi leel device（3）, more than one evaporator, refrigerant magnetic valve and expansion valve, compressor（1）Pass through condenser（2）It is connected to many
Individual evaporator, then pass through qi leel device（3）Return to compressor（1）Circulation, it is characterized in that：The evaporator is provided with defrost water route and cold
Matchmaker's pipeline, defrost water route and refrigerant pipeline are separate, and refrigerant pipeline passes through refrigerant magnetic valve and expansion valve and condenser（2）Even
Logical, the defrost water route is connected to defrost water tank by defrost magnetic valve（10）, defrost water tank（10）Output end pass through defrost
Water pump（9）Anti-icing fluid or conduction oil are delivered to the defrost water route in evaporator, defrost, and defrost water tank is realized（10）Inside it is provided with
Electric heater（11）.
2. utilization anti-icing fluid according to claim 1 realizes the net for air-source heat pump units of segmentation defrosting function, it is characterized in that：
The evaporator is provided with two groups, and one group is the first evaporator（6A）, second group is the second evaporator（6B）, first evaporator
（6A）The input of refrigerant pipeline pass through the first expansion valve（5A-1）With the second expansion valve（5A-2）It is aggregated into the first refrigerant electricity
Magnet valve（4A）, and it is connected to condenser（2）Output end；The first described evaporator（6A）Output end be communicated to qi leel device
（3）, and pass through qi leel device（3）Return to compressor（1）, realize circulation.
3. utilization anti-icing fluid according to claim 2 realizes the net for air-source heat pump units of segmentation defrosting function, it is characterized in that：
Second evaporator（6B）The input of refrigerant pipeline pass through the 3rd expansion valve（5B-1）With the 4th expansion valve（5B-2）Converge
Always to the second refrigerant magnetic valve（4B）, and it is connected to condenser（2）Output end；The second described evaporator（6B）Output end
It is communicated to qi leel device（3）, and pass through qi leel device（3）Return to compressor（1）, realize circulation.
4. utilization anti-icing fluid according to claim 2 realizes the net for air-source heat pump units of segmentation defrosting function, it is characterized in that：
First evaporator（6A）Inside it is provided with the first blower fan（7A）.
5. utilization anti-icing fluid according to claim 2 realizes the net for air-source heat pump units of segmentation defrosting function, it is characterized in that：
Second evaporator（6B）Inside it is provided with the second blower fan（7B）.
6. utilization anti-icing fluid according to claim 1 realizes the net for air-source heat pump units of segmentation defrosting function, it is characterized in that：
The compressor possesses unloading operation function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621454923.5U CN206488500U (en) | 2016-12-28 | 2016-12-28 | The net for air-source heat pump units of segmentation defrosting function is realized using anti-icing fluid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621454923.5U CN206488500U (en) | 2016-12-28 | 2016-12-28 | The net for air-source heat pump units of segmentation defrosting function is realized using anti-icing fluid |
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| CN206488500U true CN206488500U (en) | 2017-09-12 |
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| CN201621454923.5U Active CN206488500U (en) | 2016-12-28 | 2016-12-28 | The net for air-source heat pump units of segmentation defrosting function is realized using anti-icing fluid |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766309A (en) * | 2016-12-28 | 2017-05-31 | 山东美琳达再生能源开发有限公司 | The net for air-source heat pump units and method of segmentation defrosting function are realized using anti-icing fluid |
| CN110173945A (en) * | 2019-05-07 | 2019-08-27 | 湖北美的电冰箱有限公司 | Refrigeration equipment |
| CN111057583A (en) * | 2019-12-03 | 2020-04-24 | 中国船舶重工集团公司第七一一研究所 | Gas separation device |
-
2016
- 2016-12-28 CN CN201621454923.5U patent/CN206488500U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766309A (en) * | 2016-12-28 | 2017-05-31 | 山东美琳达再生能源开发有限公司 | The net for air-source heat pump units and method of segmentation defrosting function are realized using anti-icing fluid |
| CN106766309B (en) * | 2016-12-28 | 2023-09-05 | 李钢 | Air source heat pump unit and method for realizing sectional defrosting function by utilizing antifreeze |
| CN110173945A (en) * | 2019-05-07 | 2019-08-27 | 湖北美的电冰箱有限公司 | Refrigeration equipment |
| CN111057583A (en) * | 2019-12-03 | 2020-04-24 | 中国船舶重工集团公司第七一一研究所 | Gas separation device |
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