CN2703986Y - Refrigerant flow distribution device of domestic central air-conditioner group - Google Patents

Refrigerant flow distribution device of domestic central air-conditioner group Download PDF

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Publication number
CN2703986Y
CN2703986Y CN 200320122876 CN200320122876U CN2703986Y CN 2703986 Y CN2703986 Y CN 2703986Y CN 200320122876 CN200320122876 CN 200320122876 CN 200320122876 U CN200320122876 U CN 200320122876U CN 2703986 Y CN2703986 Y CN 2703986Y
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CN
China
Prior art keywords
gas
refrigerant
flow distribution
pipe
central air
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Expired - Fee Related
Application number
CN 200320122876
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Chinese (zh)
Inventor
薛卫华
张蕾
汪辉
娄骏
徐亮
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Shanghai Hitachi Household Appliance Co Ltd
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Shanghai Hitachi Household Appliance Co Ltd
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Priority to CN 200320122876 priority Critical patent/CN2703986Y/en
Application granted granted Critical
Publication of CN2703986Y publication Critical patent/CN2703986Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a refrigerant flow distribution device of a domestic central air conditioner unit. The utility model is characterized in that the utility model comprises a machine casing, a refrigerant liquid pipe liquid distributor component arranged in the casing body and a refrigerant gas pipe gas distributor component; the refrigerant liquid pipe liquid distributor component is composed of a liquid distributor, a main liquid pipe connected to one end of the liquid distributor, a plurality of liquid distributing pipes connected to the side wall of the liquid distributor, a plurality of electronic expansion valves respectively connected with one end of every liquid distributing pipes correspondingly, and a plurality of liquid entering pipes respectively connected with every electronic expansion valve; the other end of the main liquid pipe is connected with a liquid pipe of an outdoor machine; the other end of liquid entering pipes are connected with corresponding liquid pipes of an indoor machine; the refrigerant gas pipe gas distributor component is composed of a gas distributor, a main gas pipe connected to one end of the gas distributor, and a plurality of gas distributing pipes connected to the side wall of the gas distributor; the main gas pipe is connected with a gas pipe of the outdoor machine, and the other end of the gas distributing pipes are respectively connected with corresponding gas pipes of the indoor machine. The utility model has the advantages of few pipelines and low cost.

Description

The flow distribution of refrigerant device of residential central air conditioning unit
Technical field
The utility model relates to a kind of flow distribution of refrigerant device, relates in particular to the flow distribution of refrigerant device of the residential central air conditioning unit of many indoor sets of an a kind of off-premises station traction.
Background technology
Many indoor sets of a present off-premises station traction, and indoor set finishes residential central air conditioning unit with the heat exchange of air by cold-producing medium, and the connected mode of its indoor and outdoor unit mainly contains following two kinds of forms:
The connected mode that a kind of indoor and outdoor unit is finished with the heat exchange of air by cold-producing medium is, directly draws refrigerant pipe from off-premises station, promptly draws and the same number of cold-producing medium tracheae of indoor set and refrigerant liquid pipe, is connected respectively with indoor set; Electric expansion valve is arranged on each interior separating tube of off-premises station.The refrigeration system of this kind connected mode is simple, but in actual use, because installation pipeline is more, has increased the workload of installing; And because electric expansion valve is positioned at off-premises station, after the throttling of cold-producing medium process electric expansion valve, need to arrive indoor set through the longer pipe road, long pipeline makes the cold-producing medium gasification easily, influences the unit operation effect.
The connected mode that cold-producing medium finishes with the heat exchange of air of passing through of another kind of indoor and outdoor unit is, draw a refrigerant line to the indoor from off-premises station, this refrigerant line one end is connected with the entrance point of indoor branch joint, and each port of all the other of branch joint is connected with the separating tube of each indoor set respectively; Electric expansion valve is arranged on the separating tube of indoor set.This kind connected mode makes the indoor set internal structure complicated, and profile increases; And the mobile sound of cold-producing medium during through the electric expansion valve throttling can increase the noise of indoor; The indoor has increased solder joint simultaneously, has strengthened the possibility that leak the indoor.
Summary of the invention
The purpose of this utility model provides a kind of flow distribution of refrigerant device of residential central air conditioning unit, it can combine in the pipeline structure of simplifying in this device, thereby can overcome the shortcoming that many indoor set connected modes of off-premises station traction of prior art exist, be that off-premises station or indoor machine structure complexity, electric expansion valve place the connected mode of off-premises station to make it cold-producing medium easily gasifies, electric expansion valve places indoor set connected mode to cause shortcomings such as increasing room noise, and can effectively improve refrigeration or heating efficiency, reduce room noise.
The purpose of this utility model is achieved in that
A kind of flow distribution of refrigerant device of residential central air conditioning unit, it is arranged between off-premises station and the indoor set, is characterized in: described flow distribution of refrigerant device comprises: casing, be arranged on refrigerant liquid pipe knockout parts, cold-producing medium tracheae steam separator parts in the casing;
Vertically be provided with a gripper shoe in the described casing, be provided with main liquid tube and gas main through hole in casing one side; Its opposite side is provided with several separating tubes and gas-distributing pipe through hole;
Described refrigerant liquid pipe knockout parts by knockout, be connected knockout one end main liquid tube, be connected several separating tubes on the knockout sidewall, respectively with several electric expansion valves of the corresponding connection of each separating tube one end, form with corresponding several feed tubes that are connected of each electric expansion valve respectively; This main liquid tube is connected with the liquid pipe of off-premises station by the through hole of cabinet one side; The other end of these several feed tubes is connected with the refrigerant pipe of corresponding indoor set respectively by the through hole of casing opposite side.
Described cold-producing medium tracheae steam separator parts are made up of steam separator, the gas main that is connected steam separator one end, several gas-distributing pipes that are connected on the steam separator sidewall; Gas main is connected with the tracheae of off-premises station by the through hole of cabinet one side; The other end of each several gas-distributing pipe is connected with the tracheae of corresponding indoor set by the through hole of casing opposite side respectively.
In the flow distribution of refrigerant device of above-mentioned residential central air conditioning unit, wherein, described knockout is made as the cylindrical cavity body, the sealing of one end, it is curved to be connected a liquid pipe oil return between its another port and the main liquid tube port, the cavity of this knockout and parallel several separating tubes perforations that are connected on its sidewall.
In the flow distribution of refrigerant device of above-mentioned residential central air conditioning unit, wherein, described steam separator is made as the cylindrical cavity body, the sealing of one end, it is curved to be connected a tracheae oil return between its another port and the gas main port, parallel connected several gas-distributing pipes perforations on the cavity of this steam separator and its sidewall.
In the flow distribution of refrigerant device of above-mentioned residential central air conditioning unit, wherein, three separating tubes of parallel connection on the sidewall of described knockout, the cavity of knockout and each separating tube connect; Described three electric expansion valves are serially connected in respectively between the other end and corresponding feed tube one end of corresponding separating tube; The other end of these three feed tubes is connected with the refrigerant pipe of corresponding indoor set respectively by the through hole of casing opposite side.
In the flow distribution of refrigerant device of above-mentioned residential central air conditioning unit, wherein, three gas-distributing pipes of parallel connection on the sidewall of described steam separator, the cavity of steam separator and each gas-distributing pipe connect; The other end of these three gas-distributing pipes is connected with the tracheae of corresponding indoor set by the through hole of casing opposite side respectively.
In the flow distribution of refrigerant device of above-mentioned residential central air conditioning unit, wherein, also comprise the plurality of temperature sensor, this plurality of temperature sensor is separately positioned on the tube wall of each feed tube and each gas-distributing pipe.
In the flow distribution of refrigerant device of above-mentioned residential central air conditioning unit, wherein, described temperature sensor is made of thermistor, and this thermistor one end is connected with a feed tube or each gas-distributing pipe, and its other end is connected with the control circuit of device.
In the flow distribution of refrigerant device of above-mentioned residential central air conditioning unit, wherein, described electric expansion valve coats one deck damping material layer outward.
In the flow distribution of refrigerant device of above-mentioned residential central air conditioning unit, wherein, described casing inner support panels rightward space is filled with foam insulating material.
In the flow distribution of refrigerant device of above-mentioned residential central air conditioning unit, wherein, described gripper shoe is provided with several through holes, has set up main liquid tube, gas main, some separating tubes, several feed tubes in these several through holes.
The flow distribution of refrigerant device of the utility model residential central air conditioning unit owing to adopted above-mentioned technical scheme, makes it compared with prior art, has following advantage and good effect:
1, the utility model has improved refrigeration or heating effect owing to reduce installation pipeline, has reduced the possibility that cold-producing medium leaks, and has reduced installation cost simultaneously.
2, the utility model can connect an off-premises station and many indoor sets; Also can be used for the parallel connection of many flow distribution of refrigerant devices, connect the occasion of many indoor sets separately; Applied widely.
3, the utility model volume is little and compact, is easy to mate with indoor decoration.
4, the supporting use of the controller of the utility model and unit, can change according to indoor actual load, the aperture of control electric expansion valve separately and the running frequency of frequency-changeable compressor, thus make the residential central air conditioning unit of many indoor sets of an off-premises station traction realize the flow distribution of refrigerant intellectuality.
Description of drawings
Embodiment by following flow distribution of refrigerant device to the utility model residential central air conditioning unit can further understand the purpose of this utility model, specific structural features and advantage in conjunction with the description of its accompanying drawing.Wherein, accompanying drawing is:
Fig. 1 is the flow distribution of refrigerant apparatus structure schematic diagram of the utility model residential central air conditioning unit.
Fig. 2 is the part tube parts plan structure schematic diagram of the flow distribution of refrigerant device of the utility model residential central air conditioning unit.
The specific embodiment
See also Fig. 1, shown in Figure 2, the utility model residential central air conditioning flow distribution of refrigerant device is arranged between off-premises station and the indoor set, can connect an off-premises station and three indoor sets; This flow distribution of refrigerant device comprises: casing 3, be arranged on refrigerant liquid pipe knockout parts 1 in the casing, cold-producing medium tracheae steam separator parts 2, six temperature sensors 4;
Vertically be provided with a gripper shoe 31 in the casing 3, be provided with main liquid tube and gas main through hole 32 in casing 3 one sides; Its opposite side is provided with several separating tubes and gas-distributing pipe through hole 33; Refrigerant liquid pipe knockout parts 1 are made up of knockout 11, main liquid tube 12, several separating tubes 13, several electric expansion valves 14, several indoor set feed tube 15 liquid pipe oil returns curved 16; Knockout 11 is made as the cylindrical cavity body, and one end sealing is connected a liquid pipe oil return between the end of its other end and main liquid tube 12 and bends 16, is convenient to the compressor oil return of whole residential central air conditioning unit; The other end of this main liquid tube 12 is connected with the refrigerant liquid pipe of off-premises station by the through hole of casing 3 one sides; Several separating tubes 13 of parallel connection on the sidewall of this knockout 11, the cavity of knockout 11 and each separating tube 13 connect; Several electric expansion valves 14 are serially connected in respectively between the other end and corresponding feed tube 15 1 ends of corresponding separating tube 13; The other end of these several feed tubes 15 is connected with the refrigerant liquid pipe of corresponding indoor set respectively by the through hole 33 of casing 3 opposite sides.In the present embodiment flow distribution of refrigerant device that an off-premises station drags three indoor sets, 3 separating tubes of parallel connection 131,132,133 on the sidewall of the knockout 11 in this device, the cavity of knockout 11 and each separating tube 131,132,133 connect; Three electric expansion valves 141,142,143 are serially connected in respectively between the other end and corresponding indoor set feed tube 151,152,153 1 ends of corresponding separating tube 131,132,133; The other end of these 3 feed tubes 151,152,153 is connected with the refrigerant liquid pipe of corresponding indoor set respectively by the through hole 31 of casing 3 opposite sides.
Cold-producing medium tracheae steam separator parts 2 are made up of steam separator 21, gas main 22, gas-distributing pipe 23, tracheae oil return curved 24; Steam separator 21 is made as the cylindrical cavity body, and one end sealing is connected a tracheae oil return between its other end and gas main 22 ends and bends 24, is convenient to the compressor oil return of whole residential central air conditioning unit; The other end of this gas main 22 is connected with the tracheae of off-premises station by the through hole of casing 3 one sides; Several gas-distributing pipes 23 of parallel connection on the sidewall of this steam separator 21, the cavity of steam separator 21 and each gas-distributing pipe 23 connect; The other end of these several gas-distributing pipes 23 is connected with the tracheae of corresponding indoor set by the through hole 33 of casing 3 opposite sides respectively.Present embodiment is the flow distribution of refrigerant device that an off-premises station drags three indoor sets, three gas-distributing pipes of parallel connection 231,232,233 on the sidewall of the steam separator 21 in this device, and the cavity of steam separator 21 and each gas-distributing pipe 231,232,233 connect; The other end of these three gas-distributing pipes 231,232,233 is connected with the tracheae of corresponding indoor set by the through hole 33 of casing 3 opposite sides respectively.
Gripper shoe 31 is provided with several through holes 34, has set up main liquid tube 12, gas main 22, some separating tubes 13, several feed tubes 15 in these several through holes.One suspension hook that is used to install 35 is set respectively on the biside plate of casing 3.
For detecting refrigerant temperature on each knockout and the gas-distributing pipe, on the tube wall of each gas-distributing pipe 23 and feed tube 15, temperature sensor 4 is set respectively, in the present embodiment, six temperature sensors 4 are arranged, this six temperature sensors 4 are made of thermistor, these six thermistor one ends are connected with feed tube 151,152,153 with gas-distributing pipe 231,232,233 respectively, and its other end is connected with the control circuit of device.
Adopt commercially available electric expansion valve in the present embodiment, this electric expansion valve is by its valve opening degree of step motor control, and by regulating the open degree of this valve, the control refrigerant flow also plays throttling action, its adjustable range from zero (contract fully) to 500 pulses.Electric expansion valve 141,142, the 143 outer damping material layers that coat the special use of one deck air-conditioning are used to reduce the noise of electric expansion valve 141,142,143 when starting and move.The gripper shoe 31 rightward space places that casing 3 is inner and electric expansion valve 14 is adjacent are filled with foam insulating material; To prevent that refrigerant pipe from producing condensed water.The utility model can be installed in as kitchen, toilet or other and off-premises station, the convenient centre position that is connected of indoor set, reduces the length of connecting line, installs away from the bedroom as far as possible, can reduce influence of noise.
When central air conditioner group is opened running refrigerating, the condensator outlet of off-premises station flows out the main liquid tube that cold-producing medium flows into the utility model residential central air conditioning flow distribution of refrigerant device, flow into knockout, electric expansion valve again, by regulating an open degree control refrigerant flow and a throttling action of electric expansion valve, flow into each separating tube again and enter each indoor set with the corresponding feed tube that is connected, after each indoor set carries out heat exchange, from gas-distributing pipe output gaseous refrigerant, enter steam separator, gas main again, pass through four-way change-over valve, enter the air entry of compressor again.
In sum, the flow distribution of refrigerant device of the utility model residential central air conditioning unit, because the pipeline structure of simplifying is combined in this device, not only easy for installation, and can effectively improve refrigeration or heating efficiency, reduce room noise; Simultaneously,, both reduced the possibility that cold-producing medium leaks, improved refrigeration or heating effect, reduced installation cost simultaneously owing to reduce installation pipeline; In addition,, also can be used for the parallel connection of many flow distribution of refrigerant devices, connect the occasion of many indoor sets separately because the utility model can connect an off-premises station and many indoor sets, therefore applied widely, therefore very practical.

Claims (10)

1. the flow distribution of refrigerant device of a residential central air conditioning unit, it is arranged between off-premises station and the indoor set, it is characterized in that: this flow distribution of refrigerant device comprises: casing (3), be arranged on refrigerant liquid pipe knockout parts (1), cold-producing medium tracheae steam separator parts (2) in the casing;
Vertically be provided with a gripper shoe (31) in the described casing (3), be provided with main liquid tube and gas main through hole (32) in casing (3) one sides; Its opposite side is provided with several separating tubes and gas-distributing pipe through hole (33);
Described refrigerant liquid pipe knockout parts (1) by knockout (11), be connected knockout (11) one ends main liquid tube (12), be connected several separating tubes (13) on knockout (11) sidewall, respectively with several electric expansion valves (14) of the corresponding connection of each separating tube (13) one end, form with corresponding several feed tubes (15) that are connected of each electric expansion valve (14) respectively; This main liquid tube (12) is connected with the liquid pipe of off-premises station by the through hole (32) of cabinet one side; The other end of these several feed tubes (15) is connected with the refrigerant pipe of corresponding indoor set respectively by the through hole (33) of casing (3) opposite side.
Described cold-producing medium tracheae steam separator parts (2) are made up of steam separator (21), the gas main (22) that is connected steam separator (21) one ends, several gas-distributing pipes (23) that are connected on steam separator (21) sidewall; Gas main (22) is connected with the tracheae of off-premises station by the through hole (32) of cabinet (3) one sides; The other end of each several gas-distributing pipe (23) is connected with the tracheae of corresponding indoor set by the through hole (33) of casing (3) opposite side respectively.
2, the flow distribution of refrigerant device of residential central air conditioning unit according to claim 1, it is characterized in that: described knockout (11) is made as the cylindrical cavity body, the sealing of one end, be connected a liquid pipe oil return curved (16) between its another port and main liquid tube (12) port, cavity of this knockout (11) and parallel several separating tubes (13) perforation that is connected on its sidewall.
3, the flow distribution of refrigerant device of residential central air conditioning unit according to claim 1, it is characterized in that: described steam separator (21) is made as the cylindrical cavity body, the sealing of one end, be connected a tracheae oil return curved (24) between its another port and the gas main port, parallel connected several gas-distributing pipes (23) perforation on the cavity of this steam separator (21) and its sidewall.
4, the flow distribution of refrigerant device of residential central air conditioning unit according to claim 1, it is characterized in that: three separating tubes of parallel connection (131), (132), (133) on the sidewall of described knockout (11), the cavity of knockout (11) and each separating tube (131), (132), (133) connect; Described three electric expansion valves (141), (142), (143) are serially connected in respectively between the other end of corresponding separating tube (131), (132), (133) and corresponding feed tube (151), (152), (153) one ends; The other end of these three feed tubes (151), (152), (153) is connected with the refrigerant pipe of corresponding indoor set respectively by the through hole (33) of casing 3 opposite sides.
5, the flow distribution of refrigerant device of residential central air conditioning unit according to claim 1, it is characterized in that: three gas-distributing pipes of parallel connection (231), (232), (233) on the sidewall of described steam separator (21), the cavity of steam separator (21) and each gas-distributing pipe (231), (232), (233) connect; The other end of these three gas-distributing pipes (231), (232), (233) is connected with the tracheae of corresponding indoor set by the through hole (33) of casing (3) opposite side respectively.
6, the flow distribution of refrigerant device of residential central air conditioning unit according to claim 1, it is characterized in that: also comprise plurality of temperature sensor (4), this plurality of temperature sensor (4) is separately positioned on the tube wall of each feed tube (15) and each gas-distributing pipe (23).
7, the flow distribution of refrigerant device of residential central air conditioning unit according to claim 6, it is characterized in that: described temperature sensor (4) is made of thermistor, this thermistor one end is connected with a feed tube (15) or each gas-distributing pipe (23), and its other end is connected with the control circuit of device.
8, the flow distribution of refrigerant device of residential central air conditioning unit according to claim 1 is characterized in that: the outer one deck damping material layer that coats of described electric expansion valve (14).
9, the flow distribution of refrigerant device of residential central air conditioning unit according to claim 1 is characterized in that: described casing (3) inner support panels (31) rightward space is filled with foam insulating material.
10, the flow distribution of refrigerant device of residential central air conditioning unit according to claim 1, it is characterized in that: described gripper shoe (31) is provided with several through holes, has set up main liquid tube (12), gas main (22), some separating tubes (13), several feed tubes (15) in these several through holes.
CN 200320122876 2003-12-26 2003-12-26 Refrigerant flow distribution device of domestic central air-conditioner group Expired - Fee Related CN2703986Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200320122876 CN2703986Y (en) 2003-12-26 2003-12-26 Refrigerant flow distribution device of domestic central air-conditioner group

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Application Number Priority Date Filing Date Title
CN 200320122876 CN2703986Y (en) 2003-12-26 2003-12-26 Refrigerant flow distribution device of domestic central air-conditioner group

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CN2703986Y true CN2703986Y (en) 2005-06-08

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101975490A (en) * 2010-07-09 2011-02-16 广东欧科空调制冷有限公司 Integrated water source heat pump unit
CN102192557A (en) * 2010-03-11 2011-09-21 Lg电子株式会社 Air conditioner
CN102313407A (en) * 2010-06-30 2012-01-11 富士通将军股份有限公司 The cold-producing medium allocation units that are used for air conditioner
CN102313408A (en) * 2010-06-30 2012-01-11 富士通将军股份有限公司 The cold-producing medium allocation units that are used for air conditioner
CN102901277A (en) * 2011-07-29 2013-01-30 青岛海信日立空调***有限公司 Cooling medium distributor
JP2013117366A (en) * 2011-11-02 2013-06-13 Fujitsu General Ltd Refrigerant circuit unit
CN109269163A (en) * 2018-10-24 2019-01-25 天津商业大学 A kind of controllable dispenser of refrigeration system

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102192557A (en) * 2010-03-11 2011-09-21 Lg电子株式会社 Air conditioner
CN102192557B (en) * 2010-03-11 2014-06-04 Lg电子株式会社 Air conditioner
CN102313407A (en) * 2010-06-30 2012-01-11 富士通将军股份有限公司 The cold-producing medium allocation units that are used for air conditioner
CN102313408A (en) * 2010-06-30 2012-01-11 富士通将军股份有限公司 The cold-producing medium allocation units that are used for air conditioner
CN102313408B (en) * 2010-06-30 2015-05-13 富士通将军股份有限公司 Refrigerant distribution unit for air conditioner
CN102313407B (en) * 2010-06-30 2015-06-03 富士通将军股份有限公司 Refrigerant distribution unit for air conditioner
US9068758B2 (en) 2010-06-30 2015-06-30 Fujitsu General Limited Refrigerant distribution unit for air conditioner
US9353957B2 (en) 2010-06-30 2016-05-31 Fujitsu General Limited Refrigerant distribution unit for air conditioner
CN101975490A (en) * 2010-07-09 2011-02-16 广东欧科空调制冷有限公司 Integrated water source heat pump unit
CN102901277A (en) * 2011-07-29 2013-01-30 青岛海信日立空调***有限公司 Cooling medium distributor
JP2013117366A (en) * 2011-11-02 2013-06-13 Fujitsu General Ltd Refrigerant circuit unit
CN109269163A (en) * 2018-10-24 2019-01-25 天津商业大学 A kind of controllable dispenser of refrigeration system

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C17 Cessation of patent right
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Granted publication date: 20050608

Termination date: 20111226