CN108344216A - Refrigerant reservoir and Teat pump boiler - Google Patents
Refrigerant reservoir and Teat pump boiler Download PDFInfo
- Publication number
- CN108344216A CN108344216A CN201810130415.9A CN201810130415A CN108344216A CN 108344216 A CN108344216 A CN 108344216A CN 201810130415 A CN201810130415 A CN 201810130415A CN 108344216 A CN108344216 A CN 108344216A
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- Prior art keywords
- tank body
- refrigerant
- tank
- outlet
- heat
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B45/00—Arrangements for charging or discharging refrigerant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
What the present invention solved is to cause system to be difficult to play better performance since Optimal refrigerant charge of the static heating type heat pump water heater when water temperature is relatively low and when water temperature is higher is different；Meanwhile at present defrosting heat pump water heater when need to absorb the heat of hot water that stores in boiler, lead to two problems such as thermal loss.A kind of technical solution of refrigerant reservoir of the present invention includes：Tank body, the tank body is equipped with tank body import and tank outlet, for flowing in or out for refrigerant；Active clapboard, the active clapboard are built in the tank body and the tank body are separated into two individual cavities, and wherein individual cavity one is for flowing in or out refrigerant；Spring, the spring are located in individual cavity two, and one end is connected on the interior bottom of the tank body, and the other end is connect with the bottom of the active clapboard.The present invention also provides a kind of Teat pump boilers including refrigerant reservoir.
Description
Technical field
The invention belongs to Teat pump boiler fields, and in particular to a kind of refrigerant reservoir.The invention further relates to a kind of packets
Include the Teat pump boiler of refrigerant reservoir.
Background technology
Existing static state heating type heat pump water heater needs adjustment refrigerant charge that system performance is made to reach in research and development
It is optimal.In a certain range, when refrigerant charge is bigger, cooling system agent flux is bigger, and heating effect is better, works as charging amount
It is excessive when causing refrigerant flow excessive, condenser in Teat pump boiler can serious hydrops, deteriorate heat transfer, cause under heating capacity
Drop.In actual motion heat hot water, water temperature can constantly rise static heating type heat pump water heater, the condensing pressure of system and steaming
Hair pressure (pressure of inspiration(Pi)) can also rise therewith, and the inspiratory volume of refrigerant is caused to reduce, and refrigerant mass fluxes increase；Together
When, the rising of condensation temperature can also cause condensing heat-exchange effect to be deteriorated, and the accumulation of excessive refrigerant within the condenser instead can be more
Add deterioration heat transfer effect.Therefore, for a Teat pump boiler, when running that water temperature is relatively low early period, make system heating effect
The best refrigerant charge of fruit can be bigger, and when phase water temperature is higher after operation, its best refrigerant charge instead can
It is smaller, but current Teat pump boiler, in development ＆ production, refrigerant charge can not change, so water heater is difficult to
Play its best performance.
In addition, static heating type heat pump water heater is all mainly to use the reversed defrosting of four-way valve in defrosting.When defrosting,
Refrigerant commutates, and the refrigerant of low-temp low-pressure, which flows into, absorbs the heat that is stored in attemperater to defrost in condenser box, lead
The loss of pyrogenicity water quantity of heat storage.
Invention content
In order to solve the above technical problem, the present invention provides a kind of refrigerant reservoirs.
A kind of technical solution of refrigerant reservoir of the present invention includes：
Tank body, the tank body is equipped with tank body import and tank outlet, for flowing in or out for refrigerant；
Active clapboard, the active clapboard are built in the tank body and the tank body are separated into two individual cavities,
Middle individual cavity one is for flowing in or out refrigerant；
Spring, the spring are located in individual cavity two, and one end is connected on the interior bottom of the tank body, the other end and institute
State the bottom connection of active clapboard.
Preferably, further include：
It is described to be wrapped on the tank wall around copper pipe outside outside around copper pipe；
Heat-storing material layer, the heat-storing material layer surround the tank body and described outer around copper pipe and described outer around copper pipe
Inlet and outlet extend the heat-storing material layer.
Preferably, the package range of the heat-storing material layer upper limit position and the lower position of the active clapboard it
Between.
Preferably, further include import check valve and Outlet check valves, the Outlet check valves and the import check valve divide
It is not connect with the tank outlet with the tank body import.
The present invention also provides a kind of Teat pump boiler, including the above-mentioned refrigerant reservoir referred to, compressor, four-way valve,
Condenser tank, capillary, evaporator.
Preferably, the tank outlet of the refrigerant reservoir is connected on the inlet pipeline of the condenser tank, institute
The tank body import for stating refrigerant reservoir is connected on the condenser tank and the intercapillary pipeline.
Preferably, the outer import around copper pipe in the refrigerant reservoir with outlet respectively with the condenser tank with
Intercapillary pipeline connection.
Preferably, further include the first check valve, setting is on the condenser tank and the intercapillary pipeline.
Preferably, further include the second check valve, be arranged on the outer outlet conduit around copper pipe.
First, in order to enable Teat pump boiler to be run with suitable refrigerant charge under different water temperatures, in refrigerant
Reservoir is provided with spring and active clapboard, and refrigerant reservoir can change volume according to the difference of condensing pressure, in water temperature
More refrigerant is stored when high, so that the refrigerant recycled in heat pump system is reduced, less refrigerant is stored when water temperature is low, is made
The refrigerant recycled in heat pump system increases, and enables heat pump hot-water system in the process of running under different water temperatures with appropriate
Refrigerant charge is run.
Secondly, the heat-storing material layer that one layer of phase change heat storage material is constituted is wrapped up in refrigerant reservoir tank surface, works as system
When cryogen flows into refrigerant reservoir from condensator outlet, the higher refrigerant of temperature can transfer heat to the outer phase transformation of tank body and store
Hot material stores the refrigerant heat absorption flowed into reservoir, includes heat exchange copper tube in heat-storing material layer, works as heat pump
Low-temperature refrigerant first flows into heat exchange copper tube the heat absorbed in heat-storing material when hot-water heating system defrosts, then flows into condenser tank
It is middle to absorb heat to defrost, absorb the heat in heat-storing material layer and condenser tank simultaneously due to low-temperature refrigerant, recept the caloric bigger,
Defrosting time is shorter, is equivalent to the loss for reducing heat in condenser tank.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of refrigerant reservoir of the present invention；
Fig. 2 is the heat pump water heater system schematic diagram that the present invention carries refrigerant reservoir；
Refrigerant reservoir and heat pump hot-water system fundamental diagram when Fig. 3 is heating；
Refrigerant reservoir and heat pump hot-water system fundamental diagram when Fig. 4 is defrosting.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the refrigerant reservoir of the present invention includes：
Tank body, the tank body is equipped with tank body import and tank outlet, for flowing in or out for refrigerant；
Active clapboard, the active clapboard are built in the tank body and the tank body are separated into two individual cavities,
Middle individual cavity one is for flowing in or out refrigerant；
Spring, the spring are located in individual cavity two and are connect with the active clapboard.Active clapboard can be according to application
Refrigerant pressure and spring thrust with and move up and down, so that the volume of individual cavity one and individual cavity two in tank is changed
Become.
In the present embodiment, the hollow cavity of tank body 1 is separated into two individual cavities, tank body import and tank by active clapboard 2
Body exports the top that can be respectively positioned on tank body, then individual cavity one and individual cavity two are setting up and down shown in Fig. 1.Separate chamber
Body one is the region between the top and the top of active clapboard 2 of tank body 1, for flowing in or out refrigerant；Individual cavity two
For the region between the bottom of active clapboard 2 and the interior bottom of tank body 1.
In order to realize that position of the active clapboard 2 in tank body 1 is adjustable, following scheme is specifically used：
Spring 3 is provided in tank body 1, spring 3 is located in individual cavity two, and one end of spring 3 is connected to the interior bottom of tank body 1
In portion, serve fixed, the other end is connect with the bottom of active clapboard 2, spring 3 can according to the top of active clapboard 2 by
Power situation carries out telescopic movable, to which the position for realizing active clapboard 2 is adjustable.
Above-mentioned refrigerant memory further includes：
It is described to be wrapped on the tank wall around copper pipe outside outside around copper pipe；
Heat-storing material layer, the heat-storing material layer surround the tank body and described outer around copper pipe and described outer around copper pipe
Inlet and outlet extend the heat-storing material layer.
By above description, in conjunction with Fig. 1 it is found that the refrigerant reservoir of the present invention is mainly by tank body 1, active clapboard 2, bullet
Spring 3, outside around copper pipe 4, heat-storing material layer 5, Outlet check valves 6, import check valve 7 form.Wherein：
Outlet check valves 6 and import check valve 7 are connect with tank outlet with tank body import respectively, the stream of Outlet check valves 6
Dynamic direction is directed toward outside tank body, and tank interior is directed toward in the flow direction of import check valve 7.
The shape of the tank body 1 is not limited to hollow cylinder.For convenience of description, tank body 1 is set in the present embodiment
Shape is hollow cylinder, and since active clapboard 2 is arranged in tank body 1, active clapboard 2 is needed the hollow cavity of tank body 1 point
Two independent cavitys are divided into, ensures that the refrigerant in the individual cavity of upside may not flow into the individual cavity of downside, then lives
Dynamic dividing plate 2 is a circular bulkheads, and diameter is identical as the internal diameter of tank body 1.
It is outside D type copper pipes around copper pipe 4, is wrapped in the outer surface of tank body 1, plane side is contacted with 1 outer surface of tank body, outside
Inlet and outlet around copper pipe 4 are extended outside heat-storing material layer 5.
Heat-storing material layer 5 is wrapped in 1 outer surface of tank body, wherein what is filled is the solid-liquid phase change accumulation of heat that phase transition temperature is 25 DEG C
Material, the package range of heat-storing material layer 5 is between the upper limit position and lower position of active clapboard 2, the thickness of heat-storing material layer 5
Degree is outside around twice of 4 diameter of copper pipe, is 1/5th of 1 internal diameter of tank body, there is isothermal holding in the outer surface of heat-storing material layer 5.
The present invention also provides a kind of Teat pump boilers, including refrigerant reservoir shown in FIG. 1.Heat pump in the present embodiment
Water heater is mainly by compressor a, four-way valve b, condenser tank c, capillary d, evaporator e, refrigerant reservoir f, the first list
To valve g, the second check valve h compositions.
As shown in Fig. 2, the outlet of compressor a is connect with the b1 mouths in four-way valve b, the b4 mouths in four-way valve b and condenser
The import of water tank c connects, and the outlet of condenser tank c is connect with one end of capillary d, the other end and the evaporator e of capillary d
Import connection, the outlet of evaporator e connect with the b2 of four-way valve b mouths, and the b3 mouths of four-way valve b are connect with the import of compressor a,
The tank outlet of refrigerant reservoir f is connected on the inlet pipeline of condenser tank c, and it is unidirectional that outlet is provided on tank outlet
The tank body import of valve, refrigerant reservoir f is connected on the pipeline between condenser tank c and capillary d, is set in tank body import
Set import check valve, the outer import around copper pipe 4 in refrigerant reservoir f with outlet respectively with condenser tank c and capillary
Pipeline connection between pipe d, the first check valve g are arranged on the pipeline between condenser tank c and capillary d, and at two
Between pipeline shunt mouth, the second check valve h is connected on outside around the outlet conduit of copper pipe 4.
Outlet check valves are provided in the tank outlet of refrigerant reservoir, are connected with the pipeline of condenser tank c imports,
It is provided with import check valve in tank body import, is connected with the pipeline of the outlets condenser tank c, is made from condenser tank c outflows
Liquid refrigerant will not flow back in heat pump system after flowing into tank body, will not be flowed back in tank body when refrigerant is discharged.
In the tank outlet and heat pump hot-water system of refrigerant reservoir condenser tank inlet pipeline connection, tank body into
Mouth is connect with condenser tank outlet conduit, and the outer import around D type copper pipes in refrigerant reservoir respectively and is condensed with outlet
Device water tank is connect with intercapillary pipeline, and one is provided on condenser tank and intercapillary pipeline unidirectionally
Valve is provided with another check valve on the outlet conduit of D type copper pipes.In this way when system heats, refrigerant is from condenser tank
It can be flowed into capillary after outflow, in defrosting, refrigerant can be introduced into outside in D type copper pipes, then flow after capillary outflow
Into in condenser tank.
The operation principle of Teat pump boiler is illustrated with reference to Fig. 3 and Fig. 4.
As shown in figure 3, when Teat pump boiler runs heat hot water, refrigerant is compressed into high temperature height in compressor a
Then the gas of pressure is transported to by the b1 and b4 mouthfuls that are connected in four-way valve b in condenser tank c, refrigerant is in Water in Condenser
Heat is discharged in case c carrys out heat hot water, high-temperature high-pressure gas refrigerant is then converted to the liquid refrigerant of medium temperature high pressure, and at this time the
One check valve g conductings, the second check valve h are closed, and refrigerant then flows to be throttled in capillary d, and the low temperature after throttling is low
Compression refrigerant flows into evaporator e and is evaporated heat absorption, is then flowed back in compressor a by four-way valve b again, to complete one
Heat pump cycle.
The Outlet check valves 6 of refrigerant reservoir f are connected between the outlet of tank body 1 and the inlet pipeline of condenser tank c,
Import check valve 7 is then connected between 1 import of tank body and the outlet conduit of condenser tank c.Spring in refrigerant reservoir f
3 are equipped with pretightning force, and 2 times of system condensing pressure when to shut down, when system-down or relatively low water temperature, active clapboard 2 is by bullet
The effect of 3 pretightning force of spring, by top to the top in tank body 1, at this time without storage refrigerant in refrigerant reservoir f.With dampening
Temperature rises, and condensing pressure constantly rises, when condensing pressure is increased to shutdown when system condenser pressure 2 times or more, from import
Check valve 7 flow into 1 import of tank body liquid refrigerant pressure be more than spring 3 pretightning force, spring 3 beginning compressed, activity every
Plate 2 moves down, and liquid refrigerant just flows into the tank body 1 of refrigerant reservoir f, as water temperature constantly rises, condensing pressure
Bigger, active clapboard 2 constantly moves down, and more liquid refrigerants flow into tank body 1, when spring 3 can not be compressed again
Active clapboard 2 also reaches lower position, stops moving down.Although the outlet of tank body 1 and the inlet pipeline of condenser tank 3 connect
It connects, but due to the effect of Outlet check valves 6, the refrigerant of high temperature and pressure can not from there flow into tank body 1.When refrigerant stream
Enter into refrigerant reservoir f, since the temperature of refrigerant at this time is relatively high, can be transferred heat to by 1 surface of tank body
It is stored in phase change heat storage material in heat-storing material layer 5, can be used for defrosting.
When system-down or water temperature drop cause condensing pressure to reduce, since the elastic force of spring 3 is more than 1 import of tank body
Refrigerant pressure, so spring 3 active clapboard 2 can up be pushed up, the refrigerant in tank body 1 then passes through 6 quilt of Outlet check valves
It discharges outside the tank, flows back into heat pump system.
As shown in figure 4, when system is defrosted, four-way valve b is turned to, wherein b1 and b2 mouthfuls of conductings, b3 and b4 mouthfuls of conductings,
Compressed high-temperature high-pressure gas refrigerant, which is flowed by four-way valve b in evaporator e, in compressor a discharges heat, makes evaporation
Frost layer on device is melted, and then refrigerant flows into capillary d and carries out reducing pressure by regulating flow, at this time since the first check valve g is closed, the
Two check valve h conductings, what the refrigerant of low-temp low-pressure first flowed into refrigerant reservoir f outer absorbs heat-storing material in copper pipe 4
Heat in layer 5, then flows into condenser tank c and continues to absorb heat, last refrigerant in four-way valve b by flowing back to compressor again
In, to complete a Defrost cycle.
Condenser tank c is in the low-pressure side of system when due to defrosting, at this time in refrigerant reservoir f tank body 1 import
Pressure can be relatively low, and the elastic force that spring 3 is applied on active clapboard 2 at this time is applied to the pressure on active clapboard 2 more than refrigerant
Power, active clapboard 2 can move up, and be pushed back refrigerant in heat pump system by check valve 6.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features；And these modification or
It replaces, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. a kind of refrigerant reservoir, which is characterized in that including：
Tank body, the tank body is equipped with tank body import and tank outlet, for flowing in or out for refrigerant；
Active clapboard, the active clapboard is built in the tank body and the tank body is separated into two individual cavities, wherein solely
Vertical cavity one is for flowing in or out refrigerant；
Spring, the spring are located in individual cavity two, and one end is connected on the interior bottom of the tank body, the other end and the work
The bottom of dynamic dividing plate connects.
2. refrigerant reservoir according to claim 1, which is characterized in that further include：
It is described to be wrapped on the tank wall around copper pipe outside outside around copper pipe；
Heat-storing material layer, the heat-storing material layer surround the tank body and described outer around copper pipe, and the outer disengaging around copper pipe
Mouth extends the heat-storing material layer.
3. refrigerant reservoir according to claim 2, which is characterized in that the package range of the heat-storing material layer is in institute
It states between the upper limit position of active clapboard and lower position.
4. refrigerant reservoir according to claim 1, which is characterized in that further include that import check valve and outlet are unidirectional
Valve, the Outlet check valves and the import check valve are connect with the tank outlet with the tank body import respectively.
5. a kind of Teat pump boiler, which is characterized in that including refrigerant reservoir, the pressure described in any one of claim 2 to 4
Contracting machine, four-way valve, condenser tank, capillary, evaporator.
6. Teat pump boiler according to claim 5, which is characterized in that the tank outlet of the refrigerant reservoir connects
Onto the inlet pipeline of the condenser tank, the tank body import of the refrigerant reservoir be connected to the condenser tank with
On the intercapillary pipeline.
7. Teat pump boiler according to claim 5, which is characterized in that outer in the refrigerant reservoir is around copper pipe
Import is connect with the condenser tank with intercapillary pipeline respectively with outlet.
8. Teat pump boiler according to claim 5, which is characterized in that further include the first check valve, be arranged described cold
On condenser water tank and the intercapillary pipeline.
9. Teat pump boiler according to claim 5, which is characterized in that further include the second check valve, setting is described outer
On the outlet conduit of copper pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810130415.9A CN108344216B (en) | 2018-02-08 | 2018-02-08 | Refrigerant storage and heat pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810130415.9A CN108344216B (en) | 2018-02-08 | 2018-02-08 | Refrigerant storage and heat pump water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108344216A true CN108344216A (en) | 2018-07-31 |
| CN108344216B CN108344216B (en) | 2021-02-12 |
Family
ID=62959229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810130415.9A Expired - Fee Related CN108344216B (en) | 2018-02-08 | 2018-02-08 | Refrigerant storage and heat pump water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108344216B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674095A (en) * | 2022-03-16 | 2022-06-28 | 青岛海尔空调器有限总公司 | Air conditioner, method and device for controlling air conditioner refrigerant and storage medium |
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| KR20110114918A (en) * | 2010-04-14 | 2011-10-20 | 주식회사 두원공조 | Receiver dryer of heat exchanger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674095A (en) * | 2022-03-16 | 2022-06-28 | 青岛海尔空调器有限总公司 | Air conditioner, method and device for controlling air conditioner refrigerant and storage medium |
| CN114674095B (en) * | 2022-03-16 | 2024-04-23 | 青岛海尔空调器有限总公司 | Air conditioner, method and device for controlling air conditioner refrigerant and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108344216B (en) | 2021-02-12 |
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