CN1465942A - Heat pump flow distributor - Google Patents
Heat pump flow distributor Download PDFInfo
- Publication number
- CN1465942A CN1465942A CNA021209782A CN02120978A CN1465942A CN 1465942 A CN1465942 A CN 1465942A CN A021209782 A CNA021209782 A CN A021209782A CN 02120978 A CN02120978 A CN 02120978A CN 1465942 A CN1465942 A CN 1465942A
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- pressure
- distributor
- compressor
- branched pipe
- refrigerant
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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
In the device, output of the compressor is connected to the reversal valve capable of changing direction of refrigerant. Output of the reversal valve is connected to one end of the indoor or outdoor heat exchanger. Another end of the indoor heat exchanger is connected to one end of the expansion valve, and the other end of the expansion valve is connected to the intake of the distributor. Each sublateral of the distributor is connected to one of multiple mouths of pipe of outdoor heat exchanger. Input port of the compressor is connected the back flow port of the refrigerant. The characters are that a return tube is connected between the compressor and the indoor heat exchanger. The return tube through the reducing valve is connected to one end of a fixed tube of any sublateral. A spring and the traveling load with via holes inside the fixed tube. The refrigerant through the reducing valve controls on/off of these via holes. Thus, the balanced evaporation temperature is maintained.
Description
Technical field
The invention belongs to air control and regulation technical field, particularly relate to a kind of make cold-producing medium in heat exchanger distributed uniform, can keep balanced evaporating temperature, make refrigeration, system warm up the heat pump flow distributor that obtains required sufficient heat exchange amount.
Description of drawings
Fig. 1 is the freeze cycle pie graph of heat pump in the past.
Fig. 2 is the oblique view of distributor in the past.
Fig. 3 is the freeze cycle pie graph that in the past was provided with distributor.
Fig. 4 is the freeze cycle pie graph that is provided with distributor according to the present invention.
Fig. 5 is the oblique view of the distributor of Fig. 4.
Fig. 6 a and Fig. 6 b be the present invention at low speed and when running up, represent the cross-sectional view of slipper mobile status respectively.
Fig. 7 is the oblique view of slipper of the present invention.
Among each figure:
1: compressor, 2: indoor heat converter, 3: return duct, 4: pressure-reducing valve, 5: outdoor heat converter, 6: expansion valve, 7: distributor, 7a: distributor inlet, 7b: distributor body, 7c: outer cover, 8,8a: branched pipe, 9: stationary pipes, 10: through hole, 11: moving load, 12: spring, 22: reversal valve, 27,28: fan electromotor.
Background technology
General, freeze cycle has following main configuration to constitute: the compressor that the cold-producing medium of low-temp low-pressure gaseous state is changed into high temperature and high pressure gas state cold-producing medium; The condensed device that when changing the cold-producing medium of above-mentioned high temperature and high pressure gas state the cold-producing medium of high temperature high pressure liquid state into internal heat is discharged; The liquid refrigerant of the above-mentioned HTHP that changes is changed into the expansion valve of the liquid refrigerant of low-temp low-pressure in condensed device; The parts such as evaporimeter that the cold-producing medium of the liquid condition of low-temp low-pressure are varied to gaseous state and absorb outside heat constitute.
Aforesaid freeze cycle is applicable to refrigerator and air-conditioner etc., these household electrical appliance all are to have utilized to absorb outside heat and discharge the characteristics of giving outside heat in evaporimeter in condensed device, the preservation of FF can being guaranteed the quality, also can make indoor temperature freeze as required or make warm, thereby build exhilarating indoor environment.
Fig. 1 represents the pie graph of the freeze cycle of heat pump in the past, and as shown in the figure, the freeze cycle of heat pump is by following configuration and connect and compose: compressor (1) delivery outlet at compressed refrigerant is connecting reversal valve (22); An end that is connecting outdoor heat converter (5) in a side of reversal valve (22); Outdoor heat converter (5) end is in addition connecting expansion valve (6) one ends; Expansion valve (6) is held an end that is connecting indoor heat converter (2) in addition, and the end in addition of indoor heat converter (2) connects compressor (1) input pipe through reversal valve (22).Be provided with distributor (7) in above-mentioned indoor and outdoor heat converter (2) (5), each pathway that this distributor is the cold-producing medium that will discharge through expansion valve (6) by indoor and outdoor heat converter (2) (5) distributes.
In addition, also be provided with blowing fan and " Xi Luoke " fan of outdoor and indoor motor (27) (28) driving rotation in an above-mentioned side outdoor and indoor heat converter (5) (2).
As mentioned above, the freeze cycle of heat pump is when refrigeration and the warm running of system, switches the direction of above-mentioned reversal valve (22), and the effect of indoor and outdoor heat converter (2) (5) is changed, thereby finally reach indoor refrigeration and the warm purpose of system.
When system warms up running, cold-producing medium flows with counter-clockwise direction: promptly, compressor (1) → reversal valve (22) → indoor heat converter (2) → expansion valve (6) → outdoor heat converter (5) → reversal valve (22) → compressor (1), undertaken by such order, at this moment, above-mentioned indoor heat converter (2) has played the effect of condensed device and heat release, outdoor heat converter (5) has then played the effect of evaporimeter and has absorbed heat, simultaneously, in indoor heat converter (2), will finish the hot-air of heat exchange and emit, and make indoor maintenance system warm up state to indoor.
When cooling operation, switch the direction of reversal valve (22), cold-producing medium is flowed in a clockwise direction, at this moment, above-mentioned indoor heat converter (2) has played the effect of evaporimeter, and outdoor heat converter (5) has then played the effect of condensed device, simultaneously, the cold air that in indoor heat converter (2) heat exchange is over is emitted to indoor, makes indoor maintenance refrigerating state.
Fig. 2 is the oblique view of distributor in the past, and Fig. 3 is the freeze cycle pie graph that in the past was provided with distributor.Being constructed as follows of distributor in the past (7): the distributor body (7b) that the distributor inlet (7a) that flows into from expansion valve (6) at cold-producing medium forms, the outer cover (7c) that combines with the upper end of above-mentioned distributor body (7b), be arranged on the above-mentioned outer cover (7c) a plurality of branched pipes formations such as (8) that is communicated with each pathway of indoor and outdoor heat converter (2) (5).During the running of system heater device, above-mentioned distributor (7) will be in the outdoor heat converter that has been assigned to the evaporimeter effect (5) of the cold-producing medium homogeneous that expansion valve (6) discharges, improved the performance of evaporation, but, because the cold-producing medium of the inlet (7a) of distributor always is in 2 phase states, with liquid condition comparatively speaking, speed and composition are all preponderated, so be partial to specific pathway easily.
On the other hand, above-mentioned heat pump is not considered the flow increase and decrease that the change because of compressor (1) revolution causes, the size of the outdoor heat converter (5) that uses as evaporimeter when system warms up running is fixed, therefore, off-premises station seems relative excessive during low-speed running, relative too small of off-premises station when running up.Particularly when the warm running of the low speed system below 30 hertz, because of flow is little, play in the outdoor heat converter (5) of evaporimeter effect the very fast generation of evaporation meeting, cause holding chamber outer heat-exchanger (5) all to keep high evaporating temperature, but be difficult to keep balanced evaporating temperature.
In the past, it doesn't matter for the revolution of the compressor (1) of distributor (7) and formation heat pump freeze cycle, when the warm running of system, distributor (7) all the time will be from intact the supplying to of cold-producing medium (the evaporimeter effect) outdoor heat converter (5) that expansion valve (6) flows into, brought out the rising of outdoor heat converter (5) temperature inside, the situation of cold-producing medium maldistribution also can take place, therefore volatility will descend, cause and to be freezed and to make warm required sufficient heat, simultaneously, also brought the reliability decline problem of product.
Summary of the invention
The present invention is a kind of heat pump flow distributor that provides for the problem that solves above-mentioned known technology existence, by the flow distribution device of heat pump is set, when the high, low speed running of heat pump, make cold-producing medium distributed uniform in heat exchanger, keep balanced evaporating temperature, and can access refrigeration and the warm necessary sufficient heat of system.
The technical scheme and the measure of invention:
To achieve these goals, it connects the reversal valve inlet by the compressor delivery outlet to the invention provides a kind of heat pump flow distributor, change the outbound course of compressed high pressure, high temperature refrigerant, the delivery outlet of reversal valve is connected to indoor or outdoors heat exchanger one end, indoor heat converter is termination expansion valve one end in addition, expansion valve is termination distributor inlet in addition, each branched pipe of distributor is connected to a plurality of mouths of pipe of outdoor heat converter various heat exchange area respectively, the input port of compressor is connected to reversal valve back flow of refrigerant mouth and constitutes, it is characterized in that: still be connected with the high pressure that makes compressor output between above-mentioned compressor and the indoor heat converter, the return duct that high temperature refrigerant can reflux, for the pressure with high-pressure refrigerant is decreased to intermediate pressure, return duct is connected to pressure-reducing valve, pressure-reducing valve decompression output termination is perpendicular to the stationary pipes of any branched pipe of above-mentioned distributor, control the keying of branched pipe in the stationary pipes with moving load, thereby control is by cold-producing medium the distribution in outdoor heat converter of expansion valve release through each branched pipe of distributor.
Above-mentioned distributor has the wherein arbitrary branched pipe of a plurality of branched pipes and is connected in the return duct stationary pipes square crossing design of end in addition, in stationary pipes, designed movably moving load, design has the through hole that any branched pipe is opened and closed on it, make compressor low speed and when running up, close or open above-mentioned branched pipe according to its pressure by the cold-producing medium of pressure-reducing valve.
Design has spring between inner end of said fixing pipe and the moving load, this spring and the keying that determines branched pipe by the refrigerant pressure of above-mentioned pressure-reducing valve and stationary pipes jointly.
Specific embodiment
Below with reference to accompanying drawing, detailed describes embodiments of the invention.
Fig. 4 is the freeze cycle pie graph that is provided with distributor according to the present invention, Fig. 5 is the oblique view of the distributor of Fig. 4, Fig. 6 a and Fig. 6 b are of the present invention at low speed and when running up, and represent the cross-sectional view of slipper mobile status respectively, and Fig. 7 is the oblique view of slipper of the present invention.
Formation of the present invention is: connect between the compressor (1) of the freeze cycle of reverse (or claiming reverse) heat pump of formation and the indoor heat converter (2), and make the return duct (3) that can reflux from the high temperature and the high-pressure refrigerant of compressor (1) output; Be arranged on above-mentioned return duct (3), be reduced to the pressure-reducing valve (4) of intermediate pressure for pressure the cold-producing medium of high temperature and high pressure; The other end of above-mentioned return duct (3) will be assigned to the distributor (7) of outdoor heat converter (5) from the cold-producing medium that expansion valve (6) discharges, for this reason, any one in distributor (7) and a plurality of branched pipes (8) has the branched pipe (8a) that the opens and closes function formation that links.
In above-mentioned any branched pipe (8a) with the distributor (7) that opens and closes function, be connected the stationary pipes (9) and branched pipe (8a) square crossing setting of the other end of return duct (3); In the indoor design of said fixing pipe (9) moving load (11), design has the through hole (10) that is communicated with branched pipe (8a) on it; Low speed and when running up is closed according to its pressure or open branched pipe (8a) by the cold-producing medium of pressure-reducing valve (4).
By the present invention of above-mentioned formation, as Fig. 4 to shown in Figure 7, can be according to the flow size of the Load Regulation cold-producing medium of reverse (or claiming reverse) heat pump, under low load condition, required flow young pathbreaker understands low-speed running; The present invention is in order to solve following problems: the flow because of output in the compressor (1) that low speed system warms up reduces, the result is that cold-producing medium is by in intact supplying to (the playing the evaporimeter effect) outdoor heat converter (5), having brought out outdoor heat converter (5) temperature inside rises, the situation of cold-producing medium maldistribution also can take place, therefore the decline of volatility causes and can't be freezed and make warm required sufficient heat.
Operating principle of the present invention is: because of the revolution of the output pressure of flow and compressor (1) and compressor proportional, so, when the revolution increase of compressor (1), the flow of increase just can supply in the outdoor heat converter (5) of evaporimeter effect fully; When the revolution of above-mentioned compressor (1) reduces, a part of pathway of outdoor heat converter (5) will be limited, and can only utilize the part of outdoor heat converter (5), thereby can evaporate fully.
At first, when the revolution of above-mentioned compressor (1) is increased to the warm running of about high speed system more than 60 hertz, the pressure in compressor (1) exit raises, making the cold-producing medium that flow into return duct (3) is the cold-producing medium of high pressure, simultaneously, high-pressure refrigerant is depressurized to intermediate pressure refrigerant through pressure-reducing valve (4) and flows in the stationary pipes (9) that is connected with the other end of return duct (3), the inner moving load (11) of stationary pipes (9) is pushed left direction under Fig. 6 a state, the through hole (10) of moving load (11) and such be communicated with of branched pipe (8a) shown in Fig. 6 b flow into the cold-producing medium of branched pipe (8a) and other branched pipes (8) from above-mentioned distributor (7) and have same assignment of traffic and supply to the outdoor heat converter (5).
When the rotation number of above-mentioned compressor (1) is reduced to the warm running of about low speed system below 30 hertz when carrying out, the pressure in compressor (1) exit reduces, making the cold-producing medium that flow into return duct (3) is the cold-producing medium of low pressure, simultaneously, low pressure refrigerant is reduced pressure once more at pressure-reducing valve (4) is intermediate pressure, cold-producing medium flow in the stationary pipes (9) that is connected with the other end of return duct (3) with faint pressure like this, the result causes the elastic recovering force according to the spring (12) that is provided with between an end of said fixing pipe (9) inside and the moving load (11), mobile moving load (11) under Fig. 6 b state, and the through hole (10) of moving load as Fig. 6 a (11) is in inconsistent state with branched pipe (8a), thereby makes branched pipe (8a) be in closed condition.
Make cold-producing medium only flow to other branched pipes (8) of distributor (7), and do not have flowing of cold-producing medium in the branched pipe (8a) that in said fixing pipe (9), is provided with, so just can only partly utilize outdoor heat converter (5).
You point and good effect:
Zheng as top the elaboration, effect of the present invention is: the heater device processed of Zai heat pump During low-speed running, because of the minimizing of refrigerant circulation flow, rapid steamer is used as so that play Relative Zeng is big for outdoor heat converter, thereby prevents according to the rising of the evaporating temperature that takes place Heat decline, can make the more smooth Yun Zhuan of distributor, and it is cold to access Zhi And the warm necessary sufficient heat of Zhi, when high speed heater device Yun processed Zhuan, play Zheng A plurality of branched pipes of sending out the porch of the outdoor side heat exchanger that device is used as can all make Yong, so can bring into play same performance, Zai does not need other to start motive situation Lower, utilize the pressure of cold-producing medium, the refrigerant amount that regulates and distributes device Zhong that can the You effect, Thereby the reliability when having guaranteed to drive.
Claims (3)
1. a heat pump flow distributor connects reversal valve by compressor output, change the outbound course of compressed high pressure, high temperature refrigerant, the output of reversal valve is connected to indoor or outdoors heat exchanger one end, indoor heat converter end in addition connects the distributor inlet through expansion valve, each branched pipe of distributor is connected to a plurality of mouths of pipe of outdoor heat converter various heat exchange area respectively, the input port of compressor is connected to reversal valve back flow of refrigerant mouth and constitutes, it is characterized in that: still be connected with the high pressure that makes compressor output between above-mentioned compressor and the indoor heat converter, the return duct that high temperature refrigerant can reflux, for the pressure with high-pressure refrigerant is decreased to intermediate pressure, return duct is connected to pressure-reducing valve, pressure-reducing valve decompression output termination is perpendicular to the stationary pipes of any branched pipe of above-mentioned distributor, control the keying of branched pipe in the stationary pipes with moving load, thereby control is by cold-producing medium the distribution in outdoor heat converter of expansion valve release through each branched pipe of distributor.
2. heat pump flow distributor according to claim 1 is characterized in that: above-mentioned distributor has the wherein arbitrary branched pipe of a plurality of branched pipes and is connected in the return duct stationary pipes square crossing design of end in addition, in stationary pipes, designed movably moving load, design has the through hole that any branched pipe is opened and closed on it, make compressor low speed and when running up, close or open above-mentioned branched pipe according to its pressure by the cold-producing medium of pressure-reducing valve.
3. heat pump flow distributor according to claim 1 is characterized in that: design has spring between inner end of said fixing pipe and the moving load, this spring and the keying that determines branched pipe by the refrigerant pressure of above-mentioned pressure-reducing valve and stationary pipes jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021209782A CN1465942A (en) | 2002-06-07 | 2002-06-07 | Heat pump flow distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021209782A CN1465942A (en) | 2002-06-07 | 2002-06-07 | Heat pump flow distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1465942A true CN1465942A (en) | 2004-01-07 |
Family
ID=34142124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA021209782A Pending CN1465942A (en) | 2002-06-07 | 2002-06-07 | Heat pump flow distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1465942A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457996B (en) * | 2007-12-13 | 2011-05-25 | 株式会社电装 | Refrigeration cycle apparatus |
| CN102116546A (en) * | 2011-02-28 | 2011-07-06 | 赵军 | Single-point gasification energy efficiency improvement device for air conditioner |
| CN108800750A (en) * | 2018-06-20 | 2018-11-13 | 合肥华凌股份有限公司 | Control method, refrigerator and the computer readable storage medium of refrigerator |
| CN113932411A (en) * | 2021-09-28 | 2022-01-14 | 青岛海尔空调器有限总公司 | Control method for air conditioner and air conditioner |
-
2002
- 2002-06-07 CN CNA021209782A patent/CN1465942A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457996B (en) * | 2007-12-13 | 2011-05-25 | 株式会社电装 | Refrigeration cycle apparatus |
| CN102116546A (en) * | 2011-02-28 | 2011-07-06 | 赵军 | Single-point gasification energy efficiency improvement device for air conditioner |
| CN102116546B (en) * | 2011-02-28 | 2012-08-22 | 赵军 | Single-point gasification energy efficiency improvement device for air conditioner |
| CN108800750A (en) * | 2018-06-20 | 2018-11-13 | 合肥华凌股份有限公司 | Control method, refrigerator and the computer readable storage medium of refrigerator |
| CN108800750B (en) * | 2018-06-20 | 2020-05-05 | 合肥华凌股份有限公司 | Refrigerator control method, refrigerator and computer-readable storage medium |
| CN113932411A (en) * | 2021-09-28 | 2022-01-14 | 青岛海尔空调器有限总公司 | Control method for air conditioner and air conditioner |
| CN113932411B (en) * | 2021-09-28 | 2022-12-23 | 青岛海尔空调器有限总公司 | Control method for air conditioner and air conditioner |
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