CN103162361A - Air conditioner - Google Patents

Air conditioner Download PDF

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Publication number
CN103162361A
CN103162361A CN2012105177704A CN201210517770A CN103162361A CN 103162361 A CN103162361 A CN 103162361A CN 2012105177704 A CN2012105177704 A CN 2012105177704A CN 201210517770 A CN201210517770 A CN 201210517770A CN 103162361 A CN103162361 A CN 103162361A
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China
Prior art keywords
heat
thermal storage
compressor
storage member
air conditioner
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Application number
CN2012105177704A
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Chinese (zh)
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CN103162361B (en
Inventor
栗须谷广治
久保次雄
大久保顺市
三柳幸隆
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Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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Abstract

The invention provides an air conditioner, which can be used to reduce the time of the heat transfer from a heat accumulation part to a heat accumulation exchanger. The air conditioner is provided with a compressor (11) and a heat accumulation unit (18), which is contacted with the compressor (11) and is used for accumulation of heat energy generated in the compressor (11). The heat accumulation unit (18) comprises heat accumulation parts (19), which are disposed around the compressor, and can be used for accumulation of the heat energy generated in the compressor (11). The heat accumulation exchanger (20) is also provided, and can be used to transfer the heat energy accumulated by the heat accumulation parts (19) to refrigerant flowing in the exchanger. The heat accumulation parts (19) adopt aluminum materials.

Description

Air conditioner
Technical field
The present invention relates to a kind of air conditioner that is equipped with thermal storage unit (thermal storage unit).
Background technology
Always, in heat pump (heat pump) formula air conditioner, in the situation that frosting on outdoor heat converter, by being kind of refrigeration cycle with cross valve from the heating cyclic switching, running thus defrosts when heating turns round.In this Defrost mode, although indoor fan (indoor fan) stops, cold air discharges gradually from indoor set, the shortcoming that therefore exists hotness to lose.
Therefore, there is a kind of motion to be, configures regenerative apparatus around the compressor that is arranged at off-premises station, the used heat of the compressor in the heating running is accumulated in regenerative apparatus, utilize thus this heat of accumulating defrost (for example, with reference to patent documentation 1).
The prior art document
Patent documentation
[patent documentation 1] Japanese kokai publication hei 3-31666 communique
Summary of the invention
The problem that invention will solve
But in the described regenerative apparatus of patent documentation 1, the thermal storage member as being accumulated in the heat that produces in compressor and should heat transmitting to heat-storage heat exchanger adopts the large fluent material of thermal capacity.According to such structure, when the heat-storage heat exchanger of the heat that will accumulate from the thermal storage member of liquid to metal transmitted, large resistance to heat was had an effect, and therefore can not transmit at short notice.
The present invention is with solving above-mentioned existing problem, and its purpose is, a kind of shortening air conditioner of the time that the heat from thermal storage member to heat-storage heat exchanger moves is provided.
Be used for solving the method for problem
In order to achieve the above object, air conditioner of the present invention is equipped with: compressor; With the thermal storage unit that is configured to contact with compressor, be used for being accumulated in the heat that produces in compressor,
Thermal storage unit comprises: be configured to around compressor, thermal storage member that be accumulated in the heat that produces in compressor; With the heat that thermal storage member is accumulated to the heat-storage heat exchanger that transmits at the cold-producing medium of internal flow,
Thermal storage member adopts aluminium to form.
The invention effect
According to the present invention, can provide a kind of shortening air conditioner of the time that the heat from thermal storage member to heat-storage heat exchanger moves.
Description of drawings
Before continuing to set forth the present invention, in the accompanying drawings to the identical identical reference symbol of parts mark.Below describe with reference to the accompanying drawings embodiments of the present invention in detail.
Fig. 1 is the structure chart of the kind of refrigeration cycle of the air conditioner in embodiments of the present invention.
Fig. 2 is the stereoscopic figure of the thermal storage unit in embodiment.
Fig. 3 is the stereoscopic figure of the thermal storage unit in embodiment.
Fig. 4 is the sectional drawing along the thermal storage unit of the line X-X of Fig. 3 in embodiment.
The specific embodiment
The air conditioner of the first invention is equipped with: compressor; With the thermal storage unit that is configured to contact with compressor, be used for being accumulated in the heat that produces in compressor, thermal storage unit comprises: be configured to around compressor, thermal storage member that be accumulated in the heat that produces in compressor; With the heat-storage heat exchanger that the heat that thermal storage member is accumulated is transmitted to the cold-producing medium in internal flow, thermal storage member adopts aluminium to form, and can shorten the time that the heat from thermal storage member to heat-storage heat exchanger moves thus.In addition, adopt aluminium to form thermal storage member, heat conductivity is good and can low-cost production thus.And aluminium is metal, so its composition can not passed in time and change.Thus, can stablize the quality of thermal storage member.Like this, in thermal storage unit, can realize simultaneously keeping heat storage performance and reduce costs.
The air conditioner of the second invention is, particularly in the first invention, the through hole that connects along above-below direction is set on thermal storage member, configures heat-storage heat exchanger in through hole, adopt thus simple structure just can carry out heat exchange between thermal storage member and heat-storage heat exchanger.
The air conditioner of the 3rd invention is, particularly in the second invention, heat-storage heat exchanger is rear in being inserted into through hole to be disposed at wherein by expander, thus, the close property of thermal storage member and heat-storage heat exchanger improves, and can improve the heat conduction efficiency between thermal storage member and heat-storage heat exchanger.That is, can shorten the time that the heat from thermal storage member to heat-storage heat exchanger moves.
The air conditioner of the 4th invention is, particularly in the second or the 3rd invention, heat-storage heat exchanger possesses: a plurality of straight tubes that are disposed at through hole and extend as the crow flies; A plurality of tube connectors with the part of exposing from through hole of the straight tube that is connected adjacency adopt simple structure thus, can carry out heat exchange between thermal storage member and heat-storage heat exchanger.
The air conditioner of the 5th invention is, during particularly any one is invented from second to the 4th, compressor configuration is to contact with the inner surface of thermal storage member, through hole is the groove that is formed at the outer surface of thermal storage member, can coordinate thus the shape of compressor to determine the shape of the inner surface of thermal storage member.Therefore, not only can improve the close property of thermal storage member and compressor, and can make thermal storage member effectively be accumulated in the heat that produces in compressor.
The 6th the invention air conditioner be, particularly from first to the 5th any one the invention in, thermal storage member configures dividedly, can easily assemble thermal storage unit thus.And, can also easily make along the shape of the flexure plane of compressor.
The air conditioner of the 7th invention is, during particularly any one is invented from first to the 6th, thermal storage member is made by extrusion molding, also can not be set to thus the cone shape extracted, therefore can suppress the loose contact of the contact-making surface of compressor and thermal storage member.
Below, illustrate referring to the drawings embodiments of the present invention.In addition, the present invention is defined in this embodiment.
(embodiment)
Fig. 1 is the structure chart of the kind of refrigeration cycle (refrigeration cycle) of the air conditioner of embodiment.
The air conditioning apparatus of present embodiment becomes with refrigerant piping 3 and is connected in indoor indoor set 1 and is arranged at outdoor off-premises station 2.
Indoor set 1 comprises: make room air and cold-producing medium carry out the indoor heat converter 5 of heat exchange; Be used for promoting in indoor heat converter 5 heat exchange and will be by the air after heat exchange to the indoor indoor Air Blast fan 6 of sending.Indoor set 1 also is equipped with: the device (indoor temperature checkout gear) that detects indoor temperature is temperature sensor (temperature sensor) 7; With the device (indoor heat converter temperature-detecting device) of the temperature that detects indoor heat converter be temperature sensor 8.
Off-premises station 2 comprises: make outdoor air and cold-producing medium carry out the outdoor heat converter 9 of heat exchange; Promote the heat exchange in outdoor heat converter 9 and the outdoor fan 10 that the air after heat exchange is carried out air draft; The compressor 11 of compressed refrigerant and discharge high temperature refrigerant; Switch the suitable contrary cross valve 12 of the stream of cold-producing medium; The decompressor 13 that cold-producing medium is reduced pressure; The device of the temperature of sensing chamber's outer heat-exchanger (outdoor heat converter temperature-detecting device) is temperature sensor 14; With the device (external air temperature detecting device) of the temperature that detects outside air be temperature sensor 15.
When cooling operation, cold-producing medium flow through successively compressor 11, cross valve 12, outdoor heat converter 9, decompressor 13, indoor heat converter 5, cross valve 12, compressor 11 consist of kind of refrigeration cycle thus.On the other hand, when heating turned round, cold-producing medium flow through successively compressor 11, cross valve 12, indoor heat converter 5, decompressor 13, outdoor heat converter 9, cross valve 12, compressor 11 consisted of kind of refrigeration cycle thus.That is, by switching cross valve 12, the stream of the cold-producing medium during the heating running is opposite during with cooling operation.
In addition, the air conditioner of present embodiment is equipped with the remote control (not shown) that sends the running indication to indoor set 1.Use remote control (remote controller), can carry out the indication of cooling operation and heating running and the setting of indoor design temperature.In common operation of air conditioner, implement operation of air conditioner, to reach indoor design temperature.
In addition, configure thermal storage unit 18 around compressor 11.Thermal storage unit 18 is configured to contact with compressor 11, is accumulated in the heat that produces in compressor 11.For the concrete structure of thermal storage unit 18, set forth in the back.
Mode according to bypass (bypass) between the bleed pipe of compressor 11 and decompressor 13 and outdoor heat converter 9 is connected arranges defrosting bypass circulation 21.Be provided with defrosting two-port valve 22 midway at defrosting bypass circulation 21.By opening (opening control) defrosting two-port valve 22, the cold-producing medium defrosting bypass circulation 21 of flowing through.
according to the air conditioner that consists of with upper type, the defrosting running is described.According to the formation of the kind of refrigeration cycle of embodiment, implements to defrost and turn round while continue the heating running.
At first, when becoming the temperature of predefined defrosting running beginning condition by the temperature of the detected outdoor heat converter 9 of temperature sensor 14, the defrosting running of beginning air conditioner.In addition, also can be when the temperature of sensing chamber's outer heat-exchanger 9, the temperature of the refrigerant pipe of sensing chamber's outer heat-exchanger 9.
In addition, the condition of defrosting running beginning is not to be defined in this, for example, can append the condition of outside air temperature etc. yet.Perhaps, also can in the situation that the time of the temperature of the beginning condition that turns round lower than defrosting has been continued the stipulated time, begin the defrosting running.
When beginning the defrosting running, open defrosting two-port valve 22 and bypass with two-port valve 17, decompressor 13 is controlled at suitable aperture.Thus, implement the defrosting running while can continue the heating running.
The defrosting running of implementing when continuing the heating running like this begins to carry out opening under defrosting two-port valve 22 and the bypass state with two-port valve 17 both sides, but in the present embodiment, compares with two-port valve 17 with bypass and first open defrosting two-port valve 22.Like this, by control opening of defrosting two-port valve 22 with bypass with two-port valve 17 open control in the setting reasonable time poor, make from the cold-producing medium of outdoor heat converter 9 and from the cold-producing medium of indoor heat converter 5 not suck simultaneously in compressor 11.Thus, can do one's utmost to control the pressure oscillation of cold-producing medium, improve the reliability of compressor 11.
Then, the structure of thermal storage unit 18 described.Fig. 2 is the compressor 11 of present embodiment and the stereoscopic figure of thermal storage unit 18.As shown in Figure 2, the thermal storage unit 18 of present embodiment possesses: be configured to around compressor 11 and be accumulated in compressor 11 thermal storage member 19 of the heat that produces; With the heat that thermal storage member 19 is accumulated to the heat-storage heat exchanger 20 that transmits at the cold-producing medium of internal flow.
Thermal storage member 19 adopts aluminium (aluminum) to form.Particularly, make thermal storage member 19 by the extrusion molding of aluminium.The thermal storage member 19 of making is like this firmly fixed by two belt 52a, 52b together with heat-storage heat exchanger 20 and accumulator (accumulator) 30 being close under the state of compressor 11 in the mode around the side of compressor 11.According to this structure, compressor 11 is configured to contact the inner surface of thermal storage member 19.
Fig. 3 is the stereoscopic figure of the thermal storage unit 18 of present embodiment.Heat-storage heat exchanger 20 possesses a plurality of straight tube 20b of extension as the crow flies and a plurality of tube connector 20a of the straight tube 20b that is connected adjacency.Particularly, connect each end of adjacent straight tube 20b with tube connector 20a, form thus a refrigerant flow path that crawls.In addition, in the present embodiment, tube connector 20a has the U word shape, but is not limited to this shape, as long as have the shape that can connect straight tube 20b.
In the thermal storage member 19 that consists of in this manner and heat-storage heat exchanger 20, heat-storage heat exchanger 20(is straight tube 20b particularly) be disposed in the through hole 31 that connects along above-below direction that is arranged on thermal storage member 19.Through hole 31 connects the top and bottom of thermal storage member 19.The tube connector 20a of heat-storage heat exchanger 20 connects the part of exposing from through hole 31 of the straight tube 20b of adjacency.In addition, the through hole 31 of the thermal storage member 19 of present embodiment is the groove that is formed at the outer surface of thermal storage member 19.The outer surface of said thermal storage member 19 is the parts that do not contact with compressor 11 in the side of thermal storage member 19 herein.Heat-storage heat exchanger 20 is rear in straight tube 20b is inserted through hole 31 to be disposed at wherein by expander (tube expanding).
Fig. 4 is the sectional drawing along the thermal storage unit 18 of the line X-X of Fig. 3.In the present embodiment, thermal storage member 19 comprises two parts 18a and 18b.In addition, in the present embodiment, make the external diameter of internal diameter (internal diameter of thermal storage member 19) ratio piston compressor 11 of thermal storage unit 18 bigger.Thus, compressor 11 stably is accommodated in the inboard of thermal storage unit 18.
As described above, according to the air conditioner of present embodiment, form thermal storage member 19 by adopting the metal monomer, thermal storage member 19 and contact-making surface compressor 11 and become same material with the contact-making surface of heat-storage heat exchanger 20.Thus, can easily the heat of compressor 11 be delivered to the cold-producing medium of the heat-storage heat exchanger 20 of flowing through.In addition, form thermal storage member 19 by adopting the aluminium that heat conductivity is high and cost is low, can shorten from thermal storage member 19 to heat-storage heat exchanger the time that 20 heat moves.That is, in thermal storage unit 18, can realize simultaneously keeping heat storage performance and reduce costs.
In addition, according to the air conditioner of present embodiment, the through hole 31 that connects along above-below direction is set on thermal storage member 19, and configures heat-storage heat exchanger 20 in through hole 31, thus, cold-producing medium is mainly flowed along above-below direction.Thus, compare with the situation that cold-producing medium in heat-storage heat exchanger 20 transversely flows, need to not form refrigerant pipe along the flexure plane of thermal storage member 19, therefore can easily make heat-storage heat exchanger 20.That is, adopt simple structure, just can carry out heat exchange between thermal storage member 19 and heat-storage heat exchanger 20.
In addition, according to the air conditioner of present embodiment, be disposed at wherein by expander after heat-storage heat exchanger 20 is in being inserted into through hole 31, thus, the close property of the outer surface of the surface of raising through hole 31 and the straight tube 20b of heat-storage heat exchanger 20.Thus, thermal storage member 19 improves with the close property of heat-storage heat exchanger 20, can improve the heat conduction efficiency between thermal storage member 19 and heat-storage heat exchanger 20.That is, can shorten from thermal storage member 19 to heat-storage heat exchanger the time that 20 heat moves.
In addition, according to the air conditioner of present embodiment, heat-storage heat exchanger 20 possesses: a plurality of straight tube 20b that are disposed in through hole 31 and extend as the crow flies; A plurality of tube connector 20a with the part of exposing from through hole 31 of the straight tube 20b that is connected adjacency.Thus, by combination straight tube 20b and tube connector 20a, can easily make heat-storage heat exchanger 20.That is, adopt simple structure, just can carry out heat exchange between thermal storage member 19 and heat-storage heat exchanger 20.
In addition, according to the air conditioner of present embodiment, compressor 11 is configured to contact with the inner surface of thermal storage member 19, and through hole 31 is formed the groove of the outer surface of thermal storage member 19.According to this structure, need to groove be set at the inner surface of thermal storage member 19, therefore can coordinate the shape of compressor 11 to decide the shape of the inner surface of thermal storage member 19.Therefore, not only can improve the close property of thermal storage member 19 and compressor 11, and can make thermal storage member 19 effectively be accumulated in the heat that produces in compressor 11.
In addition, according to the structure of the groove of the outer surface that through hole 31 is formed thermal storage member 19, compare with the situation that groove is set at inner surface, can dwindle the circularity of through hole 31, and can obtain to have the through hole 31 of shape of the circle of the expection of approaching.So the processability of thermal storage unit 18 also is improved.And, compare with the situation that groove is set at inner surface, in the situation that outer surface arranges groove, heat-storage heat exchanger 20 can easily be installed, so the processability of thermal storage unit 18 is good on thermal storage member 19.In addition, when each other location of the adjacent straight tube 20b that carries out heat-storage heat exchanger 20, the situation that through hole 31 is set with inside in thermal storage member 19 is compared, in the situation that outer surface arranges groove, also can consider the distance apart from outer surface and inner surface radially of thermal storage member 19, therefore, can easily position.
In addition, according to the air conditioner of present embodiment, thermal storage member 19 configures dividedly.By adopting this mode to consist of, can make the identical parts of a plurality of shapes, by with they combinations, can make thermal storage unit 18.Therefore, can easily assemble thermal storage unit 18.And, also easily make along the shape of the flexure plane of compressor 11.
In addition, according to the air conditioner of present embodiment, thermal storage member 19 is made by extrusion molding.Thus, can be not yet the inner surface of thermal storage member 19 be arranged on required in reaction-injection moulding etc., be used for the cone shape (tapered shape) extracted, therefore can suppress the loose contact of compressor 11 and the contact-making surface of thermal storage member 19.
In addition, by the embodiment arbitrarily in the above-mentioned various embodiments of appropriate combination, can bring into play the effect that has separately.
As described above, the present invention not only is useful in the air conditioner that connects an indoor set on an off-premises station, also can be useful in the air conditioner that connects compound (multi-type) of many indoor sets on an off-premises station.
With reference to accompanying drawing, put down in writing fully the present invention to preferred embodiment relevant, still, for those skilled in the art person, various distortion and correction are apparent.As long as this distortion and correction do not break away from the scope of the present invention of appended claims, just be interpreted as being included in wherein.

Claims (7)

1. air conditioner is characterized in that possessing:
Compressor; With
The thermal storage unit that is configured to contact with described compressor, be used for being accumulated in the heat that produces in described compressor,
Described thermal storage unit comprises: be configured to around described compressor, thermal storage member that be accumulated in the heat that produces in described compressor; Be delivered to heat-storage heat exchanger at the cold-producing medium of internal flow with the heat that described thermal storage member is accumulated,
Described thermal storage member adopts aluminium to form.
2. air conditioner as claimed in claim 1 is characterized in that:
The through hole that connects along above-below direction is set, the described heat-storage heat exchanger of configuration in described through hole on described thermal storage member.
3. air conditioner as claimed in claim 2 is characterized in that:
Described heat-storage heat exchanger is rear in being inserted into described through hole to be disposed at wherein by expander.
4. air conditioner as claimed in claim 2 or claim 3 is characterized in that:
Described heat-storage heat exchanger possesses: a plurality of straight tubes that are disposed in described through hole and extend as the crow flies; A plurality of tube connectors with the part of exposing from through hole of the described straight tube that is connected adjacency.
5. air conditioner as described in any one in claim 2 to 4 is characterized in that:
Described compressor configuration is to contact with the inner surface of described thermal storage member,
Described through hole is the groove that is formed at the outer surface of described thermal storage member.
6. air conditioner as described in any one in claim 1 to 5 is characterized in that:
Described thermal storage member configures dividedly.
7. air conditioner as described in any one in claim 1 to 6, it is characterized in that: described thermal storage member is made by extrusion molding.
CN201210517770.4A 2011-12-08 2012-12-05 Air conditioner Active CN103162361B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-268852 2011-12-08
JP2011268852A JP2013120030A (en) 2011-12-08 2011-12-08 Air conditioner

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CN103162361A true CN103162361A (en) 2013-06-19
CN103162361B CN103162361B (en) 2016-02-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107940677A (en) * 2017-10-31 2018-04-20 青岛海尔空调器有限总公司 A kind of control method and device for slowing down air-conditioner outdoor unit frosting

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0331666A (en) * 1989-06-28 1991-02-12 Matsushita Electric Ind Co Ltd Heat pump type air conditioner
JP2006145200A (en) * 2004-11-19 2006-06-08 Active Power Inc Heat storage unit, and method of using heat storage unit to heat fluid
JP2011163664A (en) * 2010-02-10 2011-08-25 Panasonic Corp Heat storage device and air conditioner with the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58138993A (en) * 1982-02-15 1983-08-18 Matsushita Electric Ind Co Ltd Heat exchanger
JPS62138185U (en) * 1986-02-24 1987-08-31
JP2705734B2 (en) * 1991-02-08 1998-01-28 シャープ株式会社 Compressor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0331666A (en) * 1989-06-28 1991-02-12 Matsushita Electric Ind Co Ltd Heat pump type air conditioner
JP2006145200A (en) * 2004-11-19 2006-06-08 Active Power Inc Heat storage unit, and method of using heat storage unit to heat fluid
JP2011163664A (en) * 2010-02-10 2011-08-25 Panasonic Corp Heat storage device and air conditioner with the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107940677A (en) * 2017-10-31 2018-04-20 青岛海尔空调器有限总公司 A kind of control method and device for slowing down air-conditioner outdoor unit frosting

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CN103162361B (en) 2016-02-03

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