CN207556037U - Liquid storage device and with its heat pump system - Google Patents
Liquid storage device and with its heat pump system Download PDFInfo
- Publication number
- CN207556037U CN207556037U CN201721146528.5U CN201721146528U CN207556037U CN 207556037 U CN207556037 U CN 207556037U CN 201721146528 U CN201721146528 U CN 201721146528U CN 207556037 U CN207556037 U CN 207556037U
- Authority
- CN
- China
- Prior art keywords
- liquid storage
- liquid
- storage device
- device assembly
- out port
- Prior art date
- 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
-
- 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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- 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
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
-
- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
-
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/16—Receivers
-
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/19—Pumping down refrigerant from one part of the cycle to another part of the cycle, e.g. when the cycle is changed from cooling to heating, or before a defrost cycle is started
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The utility model provides a kind of liquid storage device assembly and heat pump system.The liquid storage device assembly includes：Liquid storage tank body, bottom setting liquid in-out port, and the liquid in-out port is concordant with the bottom of the liquid storage tank body；And connecting tube, first end are connected to the liquid in-out port；And its second end is used to access air handling system.Liquid storage device assembly according to the present utility model, since liquid in-out port is concordant with the bottom of liquid storage tank body, so that whole refrigerants is needed to participate under the operating mode of work, the refrigerant and lubricating oil accumulated in fluid reservoir body can thoroughly be discharged out of fluid reservoir body, and then ensure that refrigerant disclosure satisfy that workload demand, while ensure that lubricating oil disclosure satisfy that compressor lubrication demand.
Description
Technical field
The utility model is related to filed of air conditioning, more specifically, it relates to the liquid storage device for heat pump system.
Background technology
At present, at the same have the heat pump system of refrigeration and heat-production functions in a variety of business such as hospital, market, home dwellings and
Domestic applications are used widely.In practical applications, heat pump system condenser generally use coil exchanger come realize with
Air more fully contacts and exchanges heat, and evaporator generally use plate heat exchanger realizes refrigerant and refrigerating medium（For example,
Water）Abundant heat exchange.Its operation principle is mainly：By switching the heat exchange flow path in heat pump system so that in refrigeration mode
Under, coil exchanger is used as condenser and plate heat exchanger is used as evaporator；And in a heating mode, coil exchanger is used
Make evaporator and plate heat exchanger is used as condenser, plate heat exchanger is thus made to realize refrigeration and the function of heating respectively.Due to
Plate heat exchanger usually has the volume more much smaller than coil exchanger, therefore, when heat pump system switches to heating mode,
It flows through plate heat exchanger and is reduced to carry out the refrigeration dose demand of condensation heat dissipation, therefore extra some refrigerant needs temporarily storage
There are in liquid storage device；And flowed out from liquid storage device in cooling mode, it is participated in again to working cycles.
Existing one kind liquid storage device uses Double tube namely respectively inlet tube and outlet tube.Such liquid storage device has phase
To higher Material Cost and manufacture cost.Existing other a kind of liquid storage device is using single tube system namely uses a Guan Laishi
Existing feed liquor is with going out liquid.However when applying single tube liquid reservoir, easily occur to enter after liquid storage device just with refrigerant because of lubricating oil
The phenomenon that holding is accumulated in liquid storage device, this will cause the compressor in heat pump system to lack lubricating oil and influences service life,
And then influence system reliability.
Invention content
The purpose of this utility model is to provide a kind of liquid storage devices for reducing lubricating oil and accumulating.
The another object of the utility model is to provide a kind of heat pump system for having and reducing the liquid storage device that lubricating oil accumulates.
To realize the purpose of this utility model, one side according to the present utility model provides a kind of liquid storage device assembly,
Including：Liquid storage tank body, bottom setting liquid in-out port, and the liquid in-out port is concordant with the bottom of the liquid storage tank body；
And connecting tube, first end are connected to the liquid in-out port；And its second end is used to access air handling system.
To realize the another object of the utility model, another aspect according to the present utility model also provides a kind of heat pump system
System, including：Foregoing liquid storage device assembly, wherein the connecting tube of the liquid storage device component is in heat pump system refrigeration mould
Access the heat pump system, and liquid storage device component bottom liquid in-out port under formula between restricting element and evaporator vertically downwardly
It is whole downward to be vertically installed in heat pump system.
Description of the drawings
Fig. 1 is the schematic diagram of the liquid storage device of the utility model.
Fig. 2 is the close-up schematic view of the liquid storage device in Fig. 1.
Specific embodiment
Referring to Fig. 1 and Fig. 2, it illustrates one embodiment of the liquid storage device assembly according to this conception.The liquid storage device assembly
100 include liquid storage tank body 110 and connecting tube connected to it 120.Wherein, the bottom 110a of liquid storage tank body 110 set into
Outlet end mouth 111, and key point is, makes liquid in-out port 111 concordant with the bottom 110a of liquid storage tank body 110.It meanwhile will even
The first end 120a of take over 120 is connected to liquid in-out port 111；And its second end 120b is used to access air handling system.
Specific occasion, air handling system are heat pump systems.Under such arrangement, since liquid in-out port and the bottom of liquid storage tank body are put down
Together so that under the operating mode that whole refrigerants is needed to participate in work, accumulate in refrigerant in fluid reservoir body and lubricating oil can
It is thoroughly discharged out of fluid reservoir body, and then ensures that refrigerant disclosure satisfy that workload demand, while ensure that lubricating oil disclosure satisfy that pressure
Contracting machine lubrication needs.If liquid in-out port is set higher than the bottom of liquid storage tank body, when refrigerant is discharged out of fluid reservoir body,
Parts of lubricating oil will accumulate in the difference in height section between liquid in-out port and liquid storage tank base, and burden depends on being somebody's turn to do
The volume size in difference in height section, this lubricant effect that will influence compressor, and then influence the reliability of entire heat pump system.
The teaching for the problem of being accumulated according to medium in aforementioned schemes liquid storage device to be solved, can also be from multiple angles
Improve the program, with obtain performance advanced optimize or the raising of cost performance.
For example, liquid in-out port 111 can be arranged on to the minimum point of the bottom 110a of liquid storage tank body 110, it is possible thereby to
The thorough discharge of various fluid media (medium)s in fluid reservoir body is ensured to the greatest extent.
For another example, liquid storage tank body 110 can have horizontal bottom 110a, in order to manufacture production.It at this point, can be by liquid in-out
Port 111 is arranged on the central point of the bottom 110a of liquid storage tank body 110.Under such arrangement, flowed everywhere from liquid storage tank base
Maximum distance to liquid in-out port approaches so that the amounts of lubrication that liquid storage tank base is attached to due to intrinsic viscosity is able to
It reduces.
In addition, the improvement as other auxiliary properties, can also be connected to liquid in-out by connecting tube 120 using welding manner
Port 111, in order to process.Arc guide face can also be set at liquid in-out port 111 so that the flowing of refrigerant disengaging
Resistance smaller.Furthermore connecting tube 120 can be set as pipe, it is so more generally applicable and convenient for type selecting.
According to the conception previously with regard to liquid storage device, a kind of embodiment for the heat pump system being not shown in figure also is provided herein.
The heat pump system has the basic parts and connection mode of conventional heat pump system, therefore details are not described herein.It more it is essential that should
Heat pump system further includes the connecting tube 120 of any one liquid storage device assembly 100, wherein liquid storage device assembly 100 in previous embodiment
Second end 120b accesses heat pump system between the condenser and evaporator of the heat pump system, and the connecting tube of liquid storage device assembly is whole
Body accesses heat pump system vertically downwardly.
Thus the liquid storage device assembly in previous embodiment can be realized in the heat pump system temporarily storage with release refrigerant and
With the function for the lubricating oil that refrigerant pours, and in the thorough discharging refrigerant of big load condition and lubricating oil, systems stabilisation performance.
As a more specific embodiment, heat pump system further includes heat exchange loop, which, which has, passes through
The sequentially connected compressor discharge port of pipeline, four-way valve module, condenser, restricting element, liquid storage device assembly, evaporator and
Compressor suction port；Wherein, four-way valve module allows hand over flow direction to realize refrigeration mode and heating mode；And in refrigeration mould
Under formula, cooling medium cycle flow direction is via four-way valve module, condenser, restricting element, liquid storage device from compressor discharge port
Component, evaporator to compressor suction port；And in a heating mode, cooling medium cycle flow direction is from compressor discharge port
Via four-way valve module, evaporator, liquid storage device assembly, restricting element, condenser to compressor suction port.
As further embodiment, condenser should have the volume more than evaporator, at this point, in refrigeration mode
Under, connecting tube 120 is used as drain pipe, some refrigerant outflow liquid storage tank body 110；And in a heating mode, connecting tube 120 is used
Make inlet tube, some refrigerant flows into liquid storage tank body 110.
In these have the heat pump system more specifically arranged, liquid storage device assembly can equally realize that temporarily storage is freezed with release
Agent and the function of the lubricating oil poured with refrigerant, and in the thorough discharging refrigerant of big load condition and lubricating oil, systems stabilisation
Performance.
Its course of work is described into illustrate for the embodiment with reference to aforementioned heat pump system as follows.
When running refrigeration mode, the commutation of four-way valve module is inhaled compressor discharge port is connected with condenser and compressor
Gas port and evaporator.At this point, the refrigerant of high pressure-temperature is flowed out from compressor discharge port, flow into and condense through four-way valve module
Device heat release, the high pressure medium temperature refrigerant then flowed out go in restricting element throttling into the refrigerant of low-pressure low-temperature, later low pressure
The refrigerant of low temperature flows through liquid storage device assembly, and the refrigerant after this process is flowed into evaporator again to freeze, and hereafter flows out low
The refrigerant of medium temperature is pressed, and compressor suction port is flowed back to by four-way valve module, so as to complete refrigeration mode operation.
When running heating mode, the commutation of four-way valve module is inhaled compressor discharge port is connected with evaporator and compressor
Gas port and condenser.At this point, the refrigerant of high pressure-temperature is flowed out from compressor discharge port, flow into and evaporate through four-way valve module
Device heats, and the refrigerant of high pressure medium temperature then flowed out will pass through liquid storage device assembly and go to throttling in restricting element low into low pressure
The refrigerant of temperature, then enters back into heat release in evaporator, hereafter flows out the refrigerant of low pressure medium temperature, and pass through four-way valve module stream
Compressor suction port is returned, so as to complete heating mode operation.Since evaporator is typically below the volume of condenser, so
Process generally participates in operation without whole refrigerants.At this point, having neither part nor lot in the refrigerant of operation will accumulate in liquid storage device assembly,
And it is flowed out once again with pattern switching.
Certainly, which is not limited to the heat pump system only with refrigeration and heating mode, equally applicable
In further heat pump system of the tool there are three heat exchanger and with recuperation of heat and/or hot water model or other remodeling.Further
Ground, the liquid storage device assembly are also not limited to heat pump system, if the system in varied situations demand refrigeration dose exist
Difference, and have the demand of temporarily storage refrigerant, then it can use the liquid storage device assembly according to this conception.For example, certain equipment systems
Quotient is made only to provide mounted on outdoor condensation unit, can not predict client hold indoors possible configuration evaporator or in response to
In the case of the amount for the refrigerant that length of pipe may fill, the liquid storage device of this design can also be used.
Example above primarily illustrates the liquid storage device of the utility model and with its heat pump system.Although only to wherein one
The embodiment of a little the utility model is described, but those of ordinary skill in the art are it is to be appreciated that the utility model can
By without departing from its spirit with range in the form of many other implement.Therefore, the example that is shown and embodiment by regarding
To be illustrative and not restrictive, do not departing from such as the spirit of the present invention defined in appended claims and range
In the case of, the utility model may cover various modification and replacement.
Claims (10)
1. a kind of liquid storage device assembly, which is characterized in that including：
Liquid storage tank body, bottom setting liquid in-out port, and the liquid in-out port is concordant with the bottom of the liquid storage tank body；With
And
Connecting tube, first end are connected to the liquid in-out port；And its second end is used to access air handling system.
2. liquid storage device assembly according to claim 1, which is characterized in that the liquid in-out port is arranged on the fluid reservoir
The minimum point of the bottom of body.
3. liquid storage device assembly according to claim 1, which is characterized in that the liquid in-out port is arranged on the fluid reservoir
The central point of the bottom of body.
4. the liquid storage device assembly according to claims 1 to 3 any one, which is characterized in that the liquid storage tank body has water
Flat bottom.
5. the liquid storage device assembly according to claims 1 to 3 any one, which is characterized in that the connecting tube is soldered to
The liquid in-out port.
6. the liquid storage device assembly according to claims 1 to 3 any one, which is characterized in that have at the liquid in-out port
There is arc guide face.
7. the liquid storage device assembly according to claims 1 to 3 any one, which is characterized in that further include：The connecting tube is
Pipe.
8. a kind of heat pump system, which is characterized in that including：Liquid storage device assembly, the liquid storage device assembly include：Liquid storage tank body, bottom
Portion setting liquid in-out port, and the liquid in-out port is concordant with the bottom of the liquid storage tank body；And connecting tube, first end
The liquid in-out port is connected to, second end down accesses the heat pump system.
9. heat pump system according to claim 8, which is characterized in that further include heat exchange loop, have and pass through pipeline
Sequentially connected compressor discharge port, four-way valve module, condenser, restricting element, liquid storage device assembly, evaporator and compression
Machine suction port；
Wherein, the four-way valve module allows hand over flow direction to realize refrigeration mode and heating mode；
In cooling mode, cooling medium cycle flow direction be from the compressor discharge port via four-way valve module, condenser,
Restricting element, liquid storage device assembly, evaporator to the compressor suction port；And/or
In a heating mode, cooling medium cycle flow direction be from the compressor discharge port via four-way valve module, evaporator,
Liquid storage device assembly, restricting element, condenser to the compressor suction port.
10. heat pump system according to claim 9, which is characterized in that the condenser has more than the evaporator
Volume, wherein：
In cooling mode, the connecting tube is used as drain pipe, and some refrigerant flows out the liquid storage tank body；And
In a heating mode, the connecting tube is used as inlet tube, and some refrigerant flows into the liquid storage tank body.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721146528.5U CN207556037U (en) | 2017-09-08 | 2017-09-08 | Liquid storage device and with its heat pump system |
| PCT/US2018/048507 WO2019050736A1 (en) | 2017-09-08 | 2018-08-29 | Receiver assembly and heat pump system having the same |
| EP18766526.0A EP3679309B1 (en) | 2017-09-08 | 2018-08-29 | Receiver assembly and heat pump system having the same |
| US16/644,595 US20210063059A1 (en) | 2017-09-08 | 2018-08-29 | Receiver assembly and heat pump system having the same |
| ES18766526T ES2934321T3 (en) | 2017-09-08 | 2018-08-29 | Receiver assembly and heat pump system that has the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721146528.5U CN207556037U (en) | 2017-09-08 | 2017-09-08 | Liquid storage device and with its heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207556037U true CN207556037U (en) | 2018-06-29 |
Family
ID=62675993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721146528.5U Active CN207556037U (en) | 2017-09-08 | 2017-09-08 | Liquid storage device and with its heat pump system |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20210063059A1 (en) |
| EP (1) | EP3679309B1 (en) |
| CN (1) | CN207556037U (en) |
| ES (1) | ES2934321T3 (en) |
| WO (1) | WO2019050736A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020053613A1 (en) * | 2018-09-12 | 2020-03-19 | Carrier Corporation | Liquid receiver for heating, air conditioning and refrigeration system |
| CN113587253A (en) * | 2021-07-05 | 2021-11-02 | 青岛海信日立空调系统有限公司 | Air conditioner |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5850743A (en) * | 1996-11-13 | 1998-12-22 | Tecumseh Products Company | Suction accumulator assembly |
| JP6087611B2 (en) * | 2012-12-14 | 2017-03-01 | シャープ株式会社 | Refrigeration cycle and air conditioner equipped with the same |
| JP6309739B2 (en) * | 2013-10-31 | 2018-04-11 | シャープ株式会社 | Air conditioner |
| US20150267951A1 (en) * | 2014-03-21 | 2015-09-24 | Lennox Industries Inc. | Variable refrigerant charge control |
-
2017
- 2017-09-08 CN CN201721146528.5U patent/CN207556037U/en active Active
-
2018
- 2018-08-29 EP EP18766526.0A patent/EP3679309B1/en active Active
- 2018-08-29 US US16/644,595 patent/US20210063059A1/en not_active Abandoned
- 2018-08-29 ES ES18766526T patent/ES2934321T3/en active Active
- 2018-08-29 WO PCT/US2018/048507 patent/WO2019050736A1/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020053613A1 (en) * | 2018-09-12 | 2020-03-19 | Carrier Corporation | Liquid receiver for heating, air conditioning and refrigeration system |
| US11592216B2 (en) | 2018-09-12 | 2023-02-28 | Carrier Corporation | Liquid receiver for heating, air conditioning and refrigeration system |
| CN113587253A (en) * | 2021-07-05 | 2021-11-02 | 青岛海信日立空调系统有限公司 | Air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019050736A1 (en) | 2019-03-14 |
| EP3679309B1 (en) | 2022-12-07 |
| ES2934321T3 (en) | 2023-02-21 |
| US20210063059A1 (en) | 2021-03-04 |
| EP3679309A1 (en) | 2020-07-15 |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |