CN1952509A - Air conditioner set control system and operation method thereof - Google Patents
Air conditioner set control system and operation method thereof Download PDFInfo
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- CN1952509A CN1952509A CN 200510015428 CN200510015428A CN1952509A CN 1952509 A CN1952509 A CN 1952509A CN 200510015428 CN200510015428 CN 200510015428 CN 200510015428 A CN200510015428 A CN 200510015428A CN 1952509 A CN1952509 A CN 1952509A
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Abstract
The invention relates to a unit control system for air-conditioner, comprising upper unit consisted of more than one inside machine; more than one lower unit consisted of one main inside machine and more than one assistant inside machine, which belongs to the upper unit; and outside machine controller part, by which cycling cool medium is controlled according to control demand received by inside machine, and when the running rate according to the control demand is not up to the judgment reference value of smallest load, main inside machine is controlled. The running method of unit control system of air-conditioner is that first, outside machine receives control demand from appointed inside machine; second, when the running rate according to control demand is not up to the reference value it is judged as the smallest load; third, when the demand signal is judged as the smallest load, inside machine and one main inside machine run together according to the control demand, here inside machine is controlled as control object. The invention prevents air-conditioner running at the smallest load and energy waste is smallest.
Description
Technical field
The invention belongs to filed of air conditioning, the set control system and the method for operation thereof that particularly relate to a kind of air-conditioner, be formed with hyte down in the benchmark group, be equipped with 1 the main indoor set that surpasses minimum load a reference value capacity in the next assembly, in other indoor set runnings of discontented minimum load, follow running, and the respective chambers machine also keeps on the go when stopping, and can prevent the situation that air-conditioner system drives with minimum load.
Background technology
Multi-split air conditioner comprises by many indoor sets that are installed in each room; Many indoor sets connect jointly, and distribute the coolant quantity of each indoor set and the off-premises station of control circulation refrigerant to constitute according to control instruction.
Such multi-split air conditioner can reduce the off-premises station occupation space, and because of being responsible for supplying with many indoor sets with an off-premises station, so energy effciency ratio improves, but in off-premises station refrigeration to be processed or heat load and go wrong in less than minimum a reference value or the highest a reference value.
Be example when heating running, the desired too high or more indoor set of temperature that heats is when requiring to heat running simultaneously, and because of the off-premises station excess load, superheating phenomenon may take place compressor, outdoor fan etc.
On the contrary, the indoor set running rate (capacity) that requirement heats running less than the total running rate that is connected off-premises station 10% the time, because of minimum load is subjected to low voltage limit, may take place to prolong preheating time, degradation mistake running phenomenon under the heating capacity is when working as the cooling operation of minimum load in addition, because the indoor set conduit temperature descends, frequently stop to drive, at indoor set generation abnormal sound.
In order to address these problems, with the synthetic group of multi-split air conditioner, controlled many indoor sets simultaneously in the past, prevent that air-conditioner from driving with minimum load, as described in Figure 1.
Group control is: the room type difference of installing according to indoor set according to what control simultaneously after with the synthetic group of some indoor sets the similar operation mode and the duration of runs etc., is the control mode that embodies at off-premises station control part 3.
In the accompanying drawing 1, indoor set 1,2,3 formation groups 1 (G_1), indoor set N-2, N-1, N formation group K (G_K), and also the indoor set 1 in same group imports simultaneously according to a control instruction and turns round, and can prevent situation about driving with minimum load thus.
But, such control mode of group in the past, owing to turn round simultaneously or stop at whole indoor sets of same group, the indoor set that needn't control also and then turns round or stops, so efficient is low aspect energy consumption.
Summary of the invention
The present invention provides a kind of many indoor sets that will constitute the multi-split air conditioner system to be divided at least more than one group for solving the technical problem that exists in the prior art, and is formed with the following hyte that is subordinated to group; And, reduce the set control system and the method for operation thereof of the air-conditioner of the energy loss that occurs because of group control when preventing thus when the running of subordinate indoor set is less than the minimum load capacity with the minimum load working order at 1 main indoor set that following hyte possesses at least 1 above subordinate indoor set and follows the subordinate indoor set to turn round together.
The technical scheme that the present invention takes for the technical problem that exists in the solution prior art is:
The set control system of air-conditioner of the present invention comprises: 1 last hyte that above indoor set constitutes; Be subordinated to hyte, and by 1 main indoor set and 1 following hyte more than 1 that above subordinate indoor set constitutes; According to the control instruction control circulation refrigerant that receives from indoor set, and when the running rate according to control instruction does not also reach minimum load judgment standard value, follow the indoor set of control object and the off-premises station control part of main indoor set control.
The proprietary recognition coding of described indoor set comprises the information which belongs to go up hyte or following hyte.
Described main indoor set is the indoor set that drives with the running rate more than the minimum load judgment standard value.
Described hyte shared 1 main indoor set in last hyte down.
When the subordinate indoor set of described off-premises station control part in the middle of turn round received the control instruction that requires to shut down, control is the main indoor set of running together, and main indoor set is kept on the go.
In addition, the method for operation of the set control system of air-conditioner of the present invention comprises: the off-premises station control part receives the 1st stage of control instruction signal from specifying indoor set; When the 2nd stage that is judged as minimum load according to the indoor set running rate of control instruction during less than a reference value; When being judged as minimum load, the 3rd stage that 1 main indoor set that will become the indoor set of control object and follow indoor set to belong to same group according to control instruction turns round together and controls.
Described method of operation also comprises: the indoor set of off-premises station control part in the middle of turn round receives the 4th stage that requires the control instruction that running stops; The 5th stage that makes together the main indoor set of running continue to keep on the go when indoor set is shut down.
Advantage and good effect that the present invention has are:
The set control system of air-conditioner of the present invention and method of operation thereof, when the running instruction less than minimum load is input in the indoor set, have only with 1 the main indoor set of respective chambers machine in same hyte down and turn round, can prevent the undue minimum load running of air-conditioner system, and can not influence the operating condition of other indoor sets in same group, so the energy dissipation minimum.
Description of drawings
Fig. 1 is the set control system structure chart of prior art air-conditioner;
Fig. 2 is the set control system structure chart of air-conditioner of the present invention;
Fig. 3 is the set control system method of operation flow chart of air-conditioner of the present invention.
The specific embodiment
It is following that the present invention will be described in detail with reference to drawings and Examples.
At first, the multi-split air conditioner system comprises by the indoor set that is installed in each room, and is total and distribute and the off-premises station of the cold medium flux of each indoor set of control circulation constitutes with indoor set.
In addition, single formula air-conditioner system comprises by the indoor set that is installed in each room, is connected the off-premises station formation of controlling the refrigerant circulation according to the transmission control instruction of indoor set one to one with indoor set.
Fig. 2 illustrates the multi-split air conditioner system, but the air-conditioner of the technology of the present invention thought can not be subjected to the restriction of air-conditioner device kind.Describe set control system structure of the present invention in detail below in conjunction with accompanying drawing 2.
Each indoor set 10 has different recognition codings in order mutually to distinguish, and the off-premises station 20 of cognitive recognition coding judges which indoor set to have imported control instruction by order wire from, distributes the circulation refrigerant to corresponding indoor set then.
Such indoor set recognition coding can pass through the rotary switch hardware input of indoor set 10 1 sides, and can be input in each indoor set by software.Can distinguish each indoor set by such recognition coding, and when 1 above indoor set constitutes a group, off-premises station judges whether to belong to same group indoor set according to the upper coding (perhaps the most the next coding) of recognition coding is whether identical.
Here, with 1 above indoor set formation group of the present invention be called hyte (G_1, G_2), this be because for in the past the invention in common group compare.
In addition, the present invention can be provided with the following hyte that is subordinated to hyte (1_SG1,1_SG2,2_SG1,2_SG2), these are distinguished by recognition coding by the control part 30 of off-premises station too.
That is, can set in the multi-split air conditioner system a plurality of on hyte, and hyte also can be reset to a plurality of down hytes on one.
(OF, MF) (00,01, M0 M1) constitutes following hyte like this with at least 1 above subordinate indoor set by a main indoor set.At this moment, facility have that the off-premises station that is connected with him is cognitive to be the capacity more than the running rate of minimum load (for example, 10%) in the main chamber.
So, as long as (OF MF) drives main indoor set, and running just surpasses minimum load, has solved shortcoming in the past thus.
At this moment, (OF MF) is a certain that constitutes in the indoor set of going up hyte to main indoor set, and all descends hyte to comprise that (OF MF) constitutes main indoor set.
Meanwhile, main indoor set like this comprises [F] in recognition coding, but accompanying drawing 2 the 1st on hyte (G_1) comprise by the indoor set that possesses [OF] recognition coding and constituting, but also comprise the 1st time hyte (1_SG1) constituting by [00] and [OF] and by the 2nd time hyte (1_SG2) of [01] and [OF] formation.
With above-mentioned the same, illustrate in Fig. 2 the 2nd on hyte (G_2) comprise by indoor set and constituting with [MF] recognition coding, but also comprise the 1st time hyte (2_SG1) that constitute by [M0] and [MF] and the 2nd time hyte (2SG_2) of [M1] and [MF] formation.
Set like this 1st on hyte (G_2) and be subordinated to the 1st time hyte (1_SG1 of each group on the hyte (G_1) and the 2nd, 2_SG1) and the 2nd time hyte (1_SG2,2_SG2) by 30 cognitions of off-premises station control part, and the off-premises station control part is according to the control instruction drive compression machine of specifying the indoor set transmission, the distribution and the circulation of device such as indoor fan or outdoor fan control refrigerant.
At this moment, recognition coding is the value that user or designer can change, in control part 30 cognitions of the control part (not shown) and the off-premises station of each indoor set.And recognition coding can be programmed.
If less than a reference value, in order to prevent the minimum load running, (OF, MF), (OF MF) follows it to turn round together to make main indoor set to control main indoor set according to the running rate of control instruction.
Therefore, according to a certain subordinate indoor set running in the following hyte, 30 the control runnings of off-premises station control part that receive the running control instruction belong to the main indoor set (OF of subordinate indoor units, MF), prevent the minimum load running, other subordinate indoor sets in same group do not turn round simultaneously, can reduce energy dissipation thus.
In addition, according to a certain subordinate indoor set in the middle of the operation running, the off-premises station control part that reception stops control instruction only stopping corresponding subordinate indoor set, even other subordinate indoor sets in the middle of Yun Zhuan main indoor set and the running are in same group together, main indoor set and other subordinate indoor sets also can run well, system of the present invention thus can also separate the shortcoming of in the past organizing control mode that other indoor set of controlling object anything but also shuts down simultaneously except that situation about preventing with minimum load running.
Fig. 3 is the method for operation flow chart of the set control system of air-conditioner of the present invention, describes the program of off-premises station control part of the present invention in detail below in conjunction with accompanying drawing 3.
Every the indoor set that constitutes air-conditioner system all has recognition coding.Such recognition coding is to go up hyte, hyte, main indoor set and subordinate indoor set and with the code of numeral or character arranging down in order to judge, and the indoor set that control connects therewith can be controlled or organize to the off-premises station control part separately by cognitive above-mentioned recognition coding.
Especially, the next component is a main indoor set and at least 1 above subordinate indoor set.Main indoor set is to be the indoor set that surpasses a reference value of judging minimum load in individual operation, includes [F] in recognition coding.The residue indoor set all is the subordinate indoor set.
Control instruction according to the user is imported from a certain indoor set that off-premises station connects, and receives distribution, the circulation of the off-premises station control part control refrigerant of control instruction signal, carries out air conditioning (S1) by corresponding indoor set.
At this moment, less than a reference value (10%) when being judged as minimum load, the off-premises station control part carries out of the present invention group of control (S2) in order to prevent the minimum load running according to the indoor set running rate (capacity) of control instruction.
That is, 1 main indoor set in the following hyte under the control object indoor set is turned round together.At this moment, other indoor sets do not turn round in the last hyte under the control object indoor set, and the energy that can reduce thus turns round because of the indoor set in the respective sets is whole in the past wasted (S3, S4).
If be input as the control instruction that stops that shutting down by the subordinate indoor set, the off-premises station control part is kept the operating condition of main indoor set, and anti-locking system turns round with minimum load, and the corresponding subordinate indoor set (S5 to S7) that only shuts down.
Set control system and method for operation thereof to air-conditioner of the present invention is illustrated in conjunction with the accompanying drawings as mentioned above; but the present invention can not be limited among the embodiment and accompanying drawing that puts down in writing in this specification, and one of ordinary skill in the art of the present invention can propose the various deformation example in technological thought protection domain of the present invention.
Claims (7)
1, a kind of set control system of air-conditioner is characterized in that it comprises: 1 last hyte that above indoor set constitutes; Be subordinated to hyte, and by 1 main indoor set and 1 following hyte more than 1 that above subordinate indoor set constitutes; According to the control instruction control circulation refrigerant that receives from indoor set, and when the running rate according to control instruction does not also reach minimum load judgment standard value, follow the indoor set of control object and the off-premises station control part of main indoor set control.
2, the set control system of air-conditioner according to claim 1 is characterized in that the proprietary recognition coding of indoor set comprises the information which belongs to go up hyte or following hyte.
3, the set control system of air-conditioner according to claim 1 is characterized in that main indoor set is the indoor set that drives with the running rate more than the minimum load judgment standard value.
4, the set control system of air-conditioner according to claim 1 is characterized in that hyte shared 1 main indoor set in last hyte down.
5, the set control system of air-conditioner according to claim 1, when it is characterized in that the subordinate indoor set of off-premises station control part in the middle of turn round receives the control instruction that requires to shut down, control is the main indoor set of running together, and main indoor set is kept on the go.
6, a kind of method of operation of set control system of air-conditioner is characterized in that it comprises: the off-premises station control part receives the 1st stage of control instruction signal from specifying indoor set; When the 2nd stage that is judged as minimum load according to the indoor set running rate of control instruction during less than a reference value; When being judged as minimum load, will becoming the indoor set of control object and belong to 1 main indoor set of same group according to control instruction and turn round the 3rd stage of control with indoor set.
7, the method for operation of the set control system of air-conditioner according to claim 6 is characterized in that also comprising: the indoor set of off-premises station control part in the middle of turn round receives the 4th stage that requires the control instruction that running stops; The 5th stage that makes together the main indoor set of running continue to keep on the go when indoor set is shut down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510015428A CN1952509B (en) | 2005-10-17 | 2005-10-17 | Air conditioner set control system and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510015428A CN1952509B (en) | 2005-10-17 | 2005-10-17 | Air conditioner set control system and operation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN1952509A true CN1952509A (en) | 2007-04-25 |
| CN1952509B CN1952509B (en) | 2010-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510015428A Expired - Fee Related CN1952509B (en) | 2005-10-17 | 2005-10-17 | Air conditioner set control system and operation method thereof |
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| CN (1) | CN1952509B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218703A (en) * | 2017-06-19 | 2017-09-29 | 海信（山东）空调有限公司 | A kind of multi-split air conditioner control method |
| CN114508826A (en) * | 2022-01-17 | 2022-05-17 | 青岛海尔空调电子有限公司 | Method and device for testing multi-split air conditioner and multi-split air conditioner |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100337069C (en) * | 2003-04-30 | 2007-09-12 | 海尔集团公司 | Control method of one-drive-several air conditioner |
| JP4267380B2 (en) * | 2003-06-12 | 2009-05-27 | 株式会社東芝 | Control device and control program |
-
2005
- 2005-10-17 CN CN200510015428A patent/CN1952509B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218703A (en) * | 2017-06-19 | 2017-09-29 | 海信（山东）空调有限公司 | A kind of multi-split air conditioner control method |
| CN114508826A (en) * | 2022-01-17 | 2022-05-17 | 青岛海尔空调电子有限公司 | Method and device for testing multi-split air conditioner and multi-split air conditioner |
| CN114508826B (en) * | 2022-01-17 | 2024-02-23 | 青岛海尔空调电子有限公司 | Method and device for testing one-to-many air conditioner and one-to-many air conditioner |
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| Publication number | Publication date |
|---|---|
| CN1952509B (en) | 2010-05-12 |
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