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CN2293019Y - Two-driven-by-one split air conditioner - Google Patents

Two-driven-by-one split air conditioner Download PDF

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Publication number
CN2293019Y
CN2293019Y CN 97208795 CN97208795U CN2293019Y CN 2293019 Y CN2293019 Y CN 2293019Y CN 97208795 CN97208795 CN 97208795 CN 97208795 U CN97208795 U CN 97208795U CN 2293019 Y CN2293019 Y CN 2293019Y
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CN
China
Prior art keywords
check valve
evaporimeter
parallel
valve
stop valve
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.)
Expired - Fee Related
Application number
CN 97208795
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Chinese (zh)
Inventor
蔡其武
向卫民
伍光辉
黄斌
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Midea Group Co Ltd
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Midea Group Co Ltd
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Filing date
Publication date
Application filed by Midea Group Co Ltd filed Critical Midea Group Co Ltd
Priority to CN 97208795 priority Critical patent/CN2293019Y/en
Application granted granted Critical
Publication of CN2293019Y publication Critical patent/CN2293019Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a two-driven-by-one split air conditioner which is mainly composed of an outdoor machine and two indoor machines which are matched with the outdoor machine. The utility model is characterized in that two evaporators of the two indoor machines are connected in series in a circulation loop, and a set of check valves are connected with the both ends of each evaporator in parallel respectively; a throttling system comprises two sections of capillary pipes and a set of check valves, wherein, one section of capillary pipe is connected with a set of check valves in parallel, and then is connected with the other section of capillary pipe in series; an electromagnetic check valve is connected with the inlet and outlet end of a liquid storage device in parallel. When the structure is adopted, the refrigerant distribution of the two indoor machines is uniform in any working condition, and the liquid impact phenomenon of the compressor caused by excess system refrigerants can be eliminated when a single machine is operated.

Description

One drag two type split-type air conditioner device
The utility model belongs to refrigeration plant, specially refers to a kind of one drag two type split-type air conditioner device.
The present one drag two type split-type air conditioner device that uses, mainly by an off-premises station and two supporting forming of indoor set A, B, off-premises station comprises parts such as compressor, refrigeration/warm solenoid operated four-way valve, condenser and blower fan thereof, throttle system, liquid reservoir, and indoor set comprises evaporimeter and blower fan thereof.The evaporimeter of two indoor sets adopts parallel form to link to each other with the condenser of off-premises station in closed circuit, on parallel branch separately, throttle system, gas side stop valve, liquid side stop valve etc. is housed.In reality refrigeration/warm process, owing to the operating mode on two parallel branches is difficult to accomplish identical, therefore the refrigerant that is easy to generate two indoor sets distributes uneven problem, too much causes the liquid hit phenomenon of compressor when this air-conditioner also can appear at billing machine simultaneously owing to system's refrigerant.
In order to address the above problem, the purpose of this utility model is to design a kind of one drag two type split-type air conditioner device, it can make the refrigerant distributed uniform of two indoor sets under any operating mode, and too much causes the liquid hit phenomenon of compressor can eliminate unit operation the time owing to system's refrigerant.
In order to achieve the above object, the utility model has adopted following technical scheme: a kind of one drag two type split-type air conditioner, by an off-premises station and two supporting forming of indoor set, off-premises station comprises compressor, refrigeration/warm solenoid operated four-way valve, condenser and blower fan thereof, throttle system, parts such as liquid reservoir, indoor set comprises evaporimeter and blower fan thereof, the evaporimeter of two indoor sets adopts the series connection form in closed circuit, end after the series connection is connected with an end of throttle system, one inlet of the other end and solenoid operated four-way valve, at two evaporimeter two ends separately, difference one group of check valve in parallel; Throttle system comprises two sections capillaries and one group of check valve, wherein connects with another section capillary after one section capillary and the one group of check valve parallel connection again; In order to solve liquid hit phenomenon, in the entrance end parallel connection of liquid reservoir one electromagnetism unidirectional stop valve.
Above-mentioned one group of check valve in parallel respectively on two evaporimeters is to be in series by electromagnetism unidirectional stop valve and check valve, and wherein two check valves is connected on the series connection end of two evaporimeters jointly by end; With one group of check valve of capillary paralleling in the throttle system be to be in series by electromagnetism unidirectional stop valve and check valve, wherein check valve links to each other with the evaporimeter of an indoor set by end.
In technique scheme, because the evaporimeter of two indoor sets adopts the series connection form in closed circuit, and at two evaporimeter two ends separately, one group of check valve respectively in parallel, so can be by the unlatching of control check valve separately and the operation of blower fan, the distribution of refrigerant when controlling each machine work; Again since on one section capillary in throttle system one group of check valve in parallel and in the entrance end parallel connection of liquid reservoir one electromagnetism unidirectional stop valve, therefore when unit is worked, one group of check valve outage in parallel in the throttle system is closed, two sections capillary series connection, the check valve outage that is connected in parallel on simultaneously on the liquid reservoir is closed, and liquid reservoir was preserved unnecessary refrigerant and can be avoided liquid hit phenomenon this moment.
The utility model will be further described below in conjunction with the drawings and specific embodiments
Fig. 1 is that installation of the present utility model concerns connection diagram
As shown in Figure 1, a kind of one drag two cold-warm type split-type air conditioner device, by an off-premises station and two supporting forming of indoor set A, B, off-premises station comprises parts such as compressor 1, refrigeration/warm solenoid operated four-way valve 2, condenser 3 and blower fan thereof, throttle system, gas side stop valve 7, liquid side stop valve 4, electromagnetism unidirectional stop valve D4, liquid reservoir 8, throttle system comprises two sections capillary C1, C2 and electromagnetism unidirectional stop valve D1, check valve p1, and indoor set comprises evaporimeter 5 and blower fan, evaporimeter 6 and wind thereof.Evaporimeter 5 adopts the form of connecting with evaporimeter 6 in closed circuit.Most preferred embodiment connects by following mode: the q end of compressor 1 links to each other with a mouth of solenoid operated four-way valve 2, the b mouth of solenoid operated four-way valve 2 links to each other with the e of condenser 3 end, the f end of condenser 3 links to each other with the g end of capillary C1, the other end of capillary C1 links to each other with the r end of capillary C2, the branch road that is in series by electromagnetism unidirectional stop valve D1 and check valve P1 in parallel on capillary C2 simultaneously, wherein check valve P1's holds by the h that terminates at capillary C2, the h end of capillary C2 links to each other with liquid side stop valve 4, liquid side stop valve 4 links to each other with the i end of indoor evaporator 5 by tube connector, evaporimeter 5 links to each other with the series connection form with evaporimeter 6, branch road in parallel on evaporimeter 5 by electromagnetism unidirectional stop valve D2 and check valve P2 series connection, branch road in evaporimeter 6 parallel connections by electromagnetism unidirectional stop valve D3 and check valve P3 series connection, wherein ending of check valve P2 and check valve P3 held the link k end that is connected on two evaporimeters jointly, the j end of evaporimeter 6 links to each other with the gas side stop valve 7 of off-premises station by tube connector, one end of gas side stop valve 7 links to each other with the d mouth of solenoid operated four-way valve 2, the c mouth of solenoid operated four-way valve 2 links to each other with the m of liquid reservoir 8 end, the n of the liquid reservoir 8 end end that links to each other with the p of compressor 1, the while between the entrance end of liquid reservoir 8 parallel connection an electromagnetism unidirectional stop valve D4.
During refrigerating operaton, divide following three kinds of situations:
When two indoor sets are opened simultaneously, electromagnetism unidirectional stop valve D1, the charged conducting of D4, electromagnetism unidirectional stop valve D2, D3 end, and the flow direction of refrigerant is unidirectional d mouth, c mouths → electromagnetism unidirectional stop valve D4 → compressor 1 by D1 → check valve p1 → liquid side stop valve 4 → evaporimeter 5 → evaporimeter 6 → gas side stop valve 7 → cross valve 2 of a mouth, b mouth → condenser 3 capillary C1 → electromagnetism of compressor 1 → solenoid operated four-way valve 2.
In the process of operation, controller detects EAT T5, the T6 of two indoor sets, judges then:
(1) T5 or T6 reach design temperature, and then this indoor set is with low wind shelves operation;
(2) if T5-T6>3 ℃ then the A machine move with high wind shelves, the B machine moves with low wind shelves;
(3) if T5-T6<3 ℃ then the B machine move with high wind shelves, the A machine moves with low wind shelves;
(4) if | ℃ then A, B machine are all with own wind speed setting shelves operation in T5-T6|≤2, and no wind speed setting is all moved with high wind shelves.
(5) when two indoor sets are opened simultaneously, the user can set low wind shelves, and controller can not rewritten order to this, but when other grade, controller then changes wind speed automatically according to the temperature difference in setting value and two rooms.
By above-mentioned air quantity control, air-conditioner can distribute refrigerant exactly, thereby controls the temperature in two rooms.Also can realize the correct distribution of refrigerant in addition by the switch off time of control electromagnetism unidirectional stop valve D2.When being significantly less than temperature between the B machine room such as the temperature between the A machine room, can make the temporary transient conducting of electromagnetism unidirectional stop valve D2, refrigerant is then directly arrived in the B machine evaporimeter 6 by electromagnetism unidirectional stop valve D2, check valve p2 part, and the temperature between the B machine room can promptly descend at this moment.
If during billing machine, electromagnetism unidirectional stop valve D1 outage ends, two sections capillaries series connection, and electromagnetism unidirectional stop valve D4 outage simultaneously ends, and liquid reservoir is preserved unnecessary refrigerant, can avoid liquid hit phenomenon.
If only drive the A machine, then the flow direction of refrigerant is a mouth, b mouth → condenser 3 capillary C1, C2 → liquid side stop valve 4 → evaporimeter 5 (electromagnetism unidirectional stop valve D2 outage ends) → evaporimeter 6 (blower fan does not leave, and electromagnetism unidirectional stop valve D3 outage the ends) → d mouth of gas side stop valve 7 → cross valve 2, c mouth → liquid reservoir 8 → compressor 1 of compressor 1 → solenoid operated four-way valve 2.
If only drive the B machine, then the flow direction of refrigerant is a, b mouth → condenser 3 capillary C1, C2 → liquid side stop valve 4 → electromagnetism unidirectional stop valve D2 of compressor 1 → solenoid operated four-way valve 2, d mouth, c mouth → liquid reservoir 8 → compressor 1 of check valve p2 → evaporimeter 6 → gas side stop valve 7 → cross valve 2.
So just can realize that freely the system of unit or two-shipper is cool.
When system warms up operation, divide following three kinds of situations:
When two indoor sets are opened simultaneously, the charged conducting of electromagnetism unidirectional stop valve D4, liquid reservoir 8 effects of losing out.Electromagnetism unidirectional stop valve D1, D2, D3 end, and controller detects the temperature of EAT T5, the T6 of two indoor sets and setting separately, judges then:
(1) T5 or T6 reach design temperature, and then this indoor set blower fan shuts down;
(2) if ℃ then the A machine is with low wind shelves operation in T5-T6>3, the B machine moves with high wind shelves;
(3) if T5-T6<3 ℃ then the A machine move with high wind shelves, the B machine moves with low wind shelves;
(4) if | ℃ then A, B machine are all with own wind speed setting shelves operation in T5-T6|≤2, and no wind speed setting is all moved with high wind shelves.
(5) when two indoor sets are opened simultaneously, the user can set low wind shelves, and controller can not rewritten order to this, but when other grade, controller then changes wind speed automatically according to the temperature difference in setting value and two rooms.
By above-mentioned air quantity control, air-conditioner can distribute refrigerant exactly, thereby controls the temperature in two rooms.Also can realize the correct distribution of refrigerant in addition by the switch off time of control electromagnetism unidirectional stop valve D3.When being much higher than temperature between the A machine room such as the temperature between the B machine room, can make the temporary transient conducting of electromagnetism unidirectional stop valve D3, refrigerant then part directly arrives in the A machine evaporimeter 5, and the temperature between the A machine room can promptly improve at this moment.
If during billing machine, electromagnetism unidirectional stop valve D1, D2, D4 outage end, and the refrigerant that participates in circulation is through liquid reservoir 8, and it can be preserved unnecessary refrigerant, can avoid liquid hit phenomenon.
If only drive the A machine, then the flow direction of refrigerant is a mouth, d mouth → gas side stop valve 7 → electromagnetism unidirectional stop valve D3, check valve p3 → evaporimeter 5 → liquid side stop valve 4 capillary C2, the b mouth of C1 → condenser 3 → cross valve 2, c mouth → liquid reservoir 8 → compressor 1 of compressor 1 → solenoid operated four-way valve 2.
If only drive the B machine, then the flow direction of refrigerant is a mouth, d mouth → gas side stop valve 7 → evaporimeter 6 (electromagnetism unidirectional stop valve D3 outage ends) → evaporimeter 5 (blower fan does not leave, and electromagnetism unidirectional stop valve D2 outage ends) → liquid side stop valve 4 → tubule C2, the b mouth of C1 → condenser 3 → cross valve 2, c mouth → liquid reservoir 8 → compressor 1 of compressor 1 → solenoid operated four-way valve 2.
The system that so just can freely realize unit or two-shipper is warm.

Claims (2)

1. one drag two type split-type air conditioner device, by an off-premises station and two supporting forming of indoor set A, B, off-premises station comprises compressor (1), the warm solenoid operated four-way valve (2) of refrigeration, condenser (3) and blower fan thereof, throttle system, liquid reservoir parts such as (8), indoor set A comprises evaporimeter (5) and blower fan thereof, indoor set B comprises evaporimeter (6) and blower fan thereof, it is characterized in that:
(A). evaporimeter (5) is the form of connecting with evaporimeter (6), end (i) after the series connection is connected with an end (h) of throttle system, the other end (j) is connected with an inlet (d) of solenoid operated four-way valve (2), at evaporimeter (5) and evaporimeter (6) two ends separately, difference one group of check valve in parallel;
(B). the capillary of throttle system (C1) is connected with the series connection form with the capillary (C2) of one group of check valve in parallel;
(C). at the entrance end of liquid reservoir (a 8) electromagnetism unidirectional stop valve (D4) in parallel.
2. one drag two type split-type air conditioner device as claimed in claim 1, it is characterized in that: the described one group check valve in parallel with evaporimeter (5) is to be in series by electromagnetism unidirectional stop valve (D2) and check valve (P2), the one group check valve in parallel with evaporimeter (6) is to be in series by electromagnetism unidirectional stop valve (D3) and check valve (P3), and check valve (P2) is held the link (k) that is connected on two evaporimeters jointly with ending of check valve (P3); The one group check valve in parallel with the capillary (C2) of throttle system is to be in series by electromagnetism unidirectional stop valve (D1) and check valve (P1), and holding with (h) of capillary (C2) by end of check valve (P1) is connected.
CN 97208795 1997-03-10 1997-03-10 Two-driven-by-one split air conditioner Expired - Fee Related CN2293019Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 97208795 CN2293019Y (en) 1997-03-10 1997-03-10 Two-driven-by-one split air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 97208795 CN2293019Y (en) 1997-03-10 1997-03-10 Two-driven-by-one split air conditioner

Publications (1)

Publication Number Publication Date
CN2293019Y true CN2293019Y (en) 1998-09-30

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ID=33928151

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 97208795 Expired - Fee Related CN2293019Y (en) 1997-03-10 1997-03-10 Two-driven-by-one split air conditioner

Country Status (1)

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CN (1) CN2293019Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100453923C (en) * 2005-10-18 2009-01-21 三星电子株式会社 air conditioner
CN101957089A (en) * 2010-09-30 2011-01-26 广东美的电器股份有限公司 Refrigerating device of air conditioner and household air conditioning system thereof
CN102348936A (en) * 2009-03-18 2012-02-08 大金工业株式会社 Air conditioner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100453923C (en) * 2005-10-18 2009-01-21 三星电子株式会社 air conditioner
CN102348936A (en) * 2009-03-18 2012-02-08 大金工业株式会社 Air conditioner
CN101957089A (en) * 2010-09-30 2011-01-26 广东美的电器股份有限公司 Refrigerating device of air conditioner and household air conditioning system thereof

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C19 Lapse of patent right due to non-payment of the annual fee
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