CN103776212A - Control method and device for condensing unit in refrigeration system - Google Patents
Control method and device for condensing unit in refrigeration system Download PDFInfo
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- CN103776212A CN103776212A CN201210414894.XA CN201210414894A CN103776212A CN 103776212 A CN103776212 A CN 103776212A CN 201210414894 A CN201210414894 A CN 201210414894A CN 103776212 A CN103776212 A CN 103776212A
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- liquid supply
- electromagnetic valve
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- indoor set
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005057 refrigeration Methods 0.000 title claims description 17
- 239000007788 liquid Substances 0.000 claims abstract description 96
- 230000005494 condensation Effects 0.000 claims description 59
- 238000009833 condensation Methods 0.000 claims description 59
- 238000001514 detection method Methods 0.000 claims description 11
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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Abstract
The invention provides a method and a device for controlling a condensing unit in a refrigerating system, wherein the method comprises the following steps: judging whether a mainboard of the condensing unit receives a liquid supply electromagnetic valve signal of the indoor unit; if the judgment result is yes, a liquid supply electromagnetic valve signal of the indoor unit is obtained, and the start and stop of the outdoor compressor are controlled according to the obtained liquid supply electromagnetic valve signal; and if the judgment result is negative, detecting the system pressure, and controlling the starting and stopping of the outdoor compressor according to the detected system pressure. The invention solves the problems that the mode of the condensing unit for controlling the compressor is single and the proper control mode can not be selected according to the specific environment in the related technology, and provides the flexibility of the condensing unit for controlling the compressor.
Description
Technical field
The present invention relates to field of refrigeration, in particular to control method and the device of condensation unit in a kind of refrigeration system.
Background technology
Along with the development of electrical apparatus technology, the electric equipment with refrigerating function is more and more, and in refrigeration system, condensation unit adopts the start and stop of the outer machine compressor of following two kinds of pattern controls conventionally:
1) condensation unit is according to the start and stop of the outer machine compressor of the switching signal control of the liquid supply electromagnetic valve of indoor set;
2) condensation unit is controlled compressor start-stop according to system pressure.
But the control mode of condensation unit is single in such scheme, cannot take into account two kinds of control models simultaneously, client can not selectively use above-mentioned control model according to oneself requirement.For example, at condensation unit during according to the start and stop of machine compressor outside the switching signal control of the liquid supply electromagnetic valve of indoor set, if indoor set and off-premises station distance is far, or off-premises station is while be inconvenient to receive interior dynamo-electric magnet valve signal, the startup of uncontrollable compressor and stopping.
Mode for condensation unit control compressor in prior art is single, cannot select according to specific environment the problem of suitable control mode, not yet proposes at present effective solution.
Summary of the invention
The present invention aims to provide control method and the device of condensation unit in a kind of refrigeration system, single to solve the mode of condensation unit control compressor in prior art, cannot select according to specific environment the problem of suitable control mode.
To achieve these goals, according to an aspect of the present invention, provide the control method of condensation unit in a kind of refrigeration system, the method comprises: judge whether the mainboard of condensation unit receives the liquid supply electromagnetic valve signal of indoor set; If the determination result is YES, obtain the liquid supply electromagnetic valve signal of indoor set, and according to the start and stop of the liquid supply electromagnetic valve signal controlling outdoor compressor obtaining; If judged result is no, detection system pressure, according to the start and stop of the system pressure control outdoor compressor detecting.
Further, the mainboard that judges condensation unit whether in receiving chamber the step of dynamo-electric magnet valve signal comprise: receiving mode control signal, wherein, mode control signal comprises the first control signal and the second control signal; Judge according to the type of the mode control signal receiving whether mainboard receives liquid supply electromagnetic valve signal, wherein, if the mode control signal receiving is the first control signal, mainboard receives the liquid supply electromagnetic valve signal of indoor set, if the mode control signal receiving is the second control signal, mainboard does not receive the liquid supply electromagnetic valve signal of indoor set.
Further, the liquid supply electromagnetic valve signal of indoor set comprises the first status signal and the second status signal, the first status signal is used to indicate the liquid supply electromagnetic valve of indoor set in opening, the second status signal is used to indicate the liquid supply electromagnetic valve of indoor set in closed condition, comprise according to the start and stop of the liquid supply electromagnetic valve signal controlling outdoor compressor of the indoor set obtaining: in the time that the liquid supply electromagnetic valve signal of indoor set is the first status signal, controls outdoor compressor and open; In the time that the liquid supply electromagnetic valve signal of indoor set is the second status signal, controls outdoor compressor and stop.
According to a further aspect in the invention, provide the control device of condensation unit in a kind of refrigeration system, this device is positioned on the mainboard of condensation unit, comprising: judging unit, for judging whether the mainboard of condensation unit receives the liquid supply electromagnetic valve signal of indoor set; The first control module, while receiving the liquid supply electromagnetic valve signal of indoor set, obtains liquid supply electromagnetic valve signal for judge mainboard at judging unit, and according to the start and stop of the liquid supply electromagnetic valve signal controlling outdoor compressor obtaining; The second control module, while not receiving the liquid supply electromagnetic valve signal of indoor set for judge mainboard at judging unit, detection system pressure, according to the start and stop of the system pressure control outdoor compressor detecting.
Further, judging unit comprises: receiver module, and for receiving mode control signal, wherein, mode control signal comprises the first control signal and the second control signal; Judge module, the type that is used for the mode control signal receiving according to receiver module judges whether mainboard receives liquid supply electromagnetic valve signal, wherein, if the mode control signal receiving is the first control signal, mainboard receives the liquid supply electromagnetic valve signal of indoor set, if the mode control signal receiving is the second control signal, mainboard does not receive the liquid supply electromagnetic valve signal of indoor set.
Further, the liquid supply electromagnetic valve signal of indoor set comprises the first status signal and the second status signal, the first status signal is used to indicate the liquid supply electromagnetic valve of indoor set in opening, the second status signal is used to indicate the liquid supply electromagnetic valve of indoor set in closed condition, the first control module comprises: the first control module, for in the time that the liquid supply electromagnetic valve signal of indoor set is the first status signal, controls outdoor compressor and open; The second control module, in the time that the liquid supply electromagnetic valve signal of indoor set is the second status signal, controls outdoor compressor and stops.
Apply technical scheme of the present invention, two kinds of control models are set on the mainboard of condensation unit, in the time of the external compression machine start and stop of condensation unit control room, first judge, if judge the liquid supply electromagnetic valve signal of mainboard reception indoor set, condensation unit is according to the start and stop of this liquid supply electromagnetic valve signal controlling outdoor compressor, if judge mainboard and do not receive the liquid supply electromagnetic valve signal of indoor set, detection system pressure, according to the start and stop of the system pressure control outdoor compressor detecting, this scheme make condensation unit simultaneously compatible two kinds of mode control outdoor compressors unlatching and stop, effectively solve in correlation technique the mode of condensation unit control compressor single, cannot select according to specific environment the problem of suitable control mode, the flexibility of condensation unit control compressor is provided.
Accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the preferred flow chart of one according to the control method of condensation unit in the refrigeration system of the embodiment of the present invention;
Fig. 2 is the preferred flow chart of another kind according to the control method of condensation unit in the refrigeration system of the embodiment of the present invention;
Fig. 3 is the preferred structured flowchart of one according to the control device of condensation unit in the refrigeration system of the embodiment of the present invention;
Fig. 4 is the preferred structured flowchart of another kind according to the control device of condensation unit in the refrigeration system of the embodiment of the present invention; And
Fig. 5 is another the preferred structured flowchart according to the control device of condensation unit in the refrigeration system of the embodiment of the present invention.
The specific embodiment
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Embodiment 1
The preferred embodiment of the invention provides the control method of condensation unit in a kind of refrigeration system, the preferred flow chart of one that Fig. 1 is the method, and the method comprises the steps:
S102, judges whether the mainboard of condensation unit receives the liquid supply electromagnetic valve signal of indoor set;
S104, if the determination result is YES, obtains the liquid supply electromagnetic valve signal of indoor set, and according to the start and stop of the liquid supply electromagnetic valve signal controlling outdoor compressor obtaining;
S106, if judged result is no, detection system pressure, according to the start and stop of the system pressure control outdoor compressor detecting.
Above-mentioned preferred embodiment in, two kinds of control models are set on the mainboard of condensation unit, in the time of the external compression machine start and stop of condensation unit control room, first judge, if judge the liquid supply electromagnetic valve signal of mainboard reception indoor set, condensation unit is according to the start and stop of this liquid supply electromagnetic valve signal controlling outdoor compressor, if judge mainboard and do not receive the liquid supply electromagnetic valve signal of indoor set, detection system pressure, according to the start and stop of the system pressure control outdoor compressor detecting, this scheme make condensation unit simultaneously compatible two kinds of mode control outdoor compressors unlatching and stop, effectively solve in correlation technique the mode of condensation unit control compressor single, cannot select according to specific environment the problem of suitable control mode, the flexibility of condensation unit control compressor is provided.
Of the present invention one preferred embodiment in, also upper method is optimized, particularly, the mainboard that judges condensation unit whether in receiving chamber the step of dynamo-electric magnet valve signal comprise: receiving mode control signal, wherein, mode control signal comprises the first control signal and the second control signal; Judge according to the type of the mode control signal receiving whether mainboard receives liquid supply electromagnetic valve signal, wherein, if the mode control signal receiving is the first control signal, mainboard receives the liquid supply electromagnetic valve signal of indoor set, if the mode control signal receiving is the second control signal, mainboard does not receive the liquid supply electromagnetic valve signal of indoor set.In above-mentioned preferred technical scheme, realize the selection of the control mode to condensation unit by receiving different mode control signals, and then realize the control to compressor.
The present invention has also carried out optimizing further to above-mentioned method, the scheme of the start and stop of the liquid supply electromagnetic valve signal controlling outdoor compressor of the indoor set that a kind of basis obtains is provided, specifically, the liquid supply electromagnetic valve signal of indoor set comprises: the first status signal and the second status signal, wherein, the liquid supply electromagnetic valve that the first status signal is used to indicate indoor set is in opening; The second status signal is used to indicate the liquid supply electromagnetic valve of indoor set in closed condition, in the time that the liquid supply electromagnetic valve signal of indoor set is the first status signal, controls outdoor compressor and opens; In the time that the liquid supply electromagnetic valve signal of indoor set is the second status signal, controls outdoor compressor and stop.
Below in conjunction with flow chart, such scheme is described further, as shown in Figure 2, said method comprises the steps:
S202, judges whether the mainboard of condensation unit receives the liquid supply electromagnetic valve signal of indoor set, if so, carries out S204 to S210, otherwise carries out S212;
S204, obtains the liquid supply electromagnetic valve signal of indoor set;
S206, judges whether liquid supply electromagnetic valve signal is opening, if so, performs step S208, otherwise carries out S210;
S208, controls outdoor compressor and opens;
S210, controls outdoor compressor and stops;
S212, detection system pressure, according to the start and stop of the system pressure control outdoor compressor detecting.
Embodiment 2
On the basis of above-described embodiment 1, this preferred embodiment provides the control device of condensation unit in a kind of refrigeration system, be positioned on the mainboard of condensation unit, Fig. 3 illustrates the preferred structured flowchart of the one of this device, as shown in Figure 3, this device comprises: judging unit 302, for judging whether the mainboard of condensation unit receives the liquid supply electromagnetic valve signal of indoor set; The first control module 304, be connected with judging unit 302, while receiving the liquid supply electromagnetic valve signal of indoor set for judge mainboard at judging unit 302, obtain liquid supply electromagnetic valve signal, and according to the start and stop of the liquid supply electromagnetic valve signal controlling outdoor compressor of the indoor set obtaining; The second control module 306, is connected with judging unit 302, and while not receiving the control signal of liquid supply electromagnetic valve of indoor set for judge mainboard at judging unit 302, detection system pressure, according to the start and stop of the system pressure control outdoor compressor detecting.
Above-mentioned preferred embodiment in, two kinds of control models are set on the mainboard of condensation unit, in the time of the external compression machine start and stop of condensation unit control room, first judge, if judge the liquid supply electromagnetic valve signal of mainboard reception indoor set, condensation unit is according to the start and stop of this liquid supply electromagnetic valve signal controlling outdoor compressor, if judge mainboard and do not receive the liquid supply electromagnetic valve signal of indoor set, detection system pressure, according to the start and stop of the system pressure control outdoor compressor detecting, this scheme make condensation unit simultaneously compatible two kinds of mode control outdoor compressors unlatching and stop, effectively solve in correlation technique the mode of condensation unit control compressor single, cannot select according to specific environment the problem of suitable control mode, the flexibility of condensation unit control compressor is provided.
Of the present invention one preferred embodiment in, also said apparatus is carried out optimizing further, specifically, as shown in Figure 4, judging unit 302 comprises: receiver module 402, for receiving mode control signal, wherein, mode control signal comprises the first control signal and the second control signal; Judge module 404, be connected with receiver module 402, the type that is used for the mode control signal receiving according to receiver module 402 judges whether to receive liquid supply electromagnetic valve signal, wherein, if the mode control signal receiving is the first control signal, mainboard receives the liquid supply electromagnetic valve signal of indoor set, if the mode control signal receiving is the second control signal, mainboard does not receive the liquid supply electromagnetic valve signal of indoor set.
Of the present invention one preferred embodiment in, the scheme of the start and stop of the liquid supply electromagnetic valve signal controlling outdoor compressor of the indoor set that a kind of basis obtains is also provided, specifically, the liquid supply electromagnetic valve signal of indoor set comprises the first status signal and the second status signal, the first status signal is used to indicate the liquid supply electromagnetic valve of indoor set in opening, the second status signal is used to indicate the liquid supply electromagnetic valve of indoor set in closed condition, as shown in Figure 5, the first control module 304 comprises: the first control module 502, for in the time that the liquid supply electromagnetic valve signal of indoor set is the first status signal, control outdoor compressor is opened, the second control module 504, in the time that the liquid supply electromagnetic valve signal of indoor set is the second status signal, controls outdoor compressor and stops.
From above description, can find out, the above embodiments of the present invention arrange two kinds of control models on the mainboard of condensation unit, in the time of the external compression machine start and stop of condensation unit control room, first judge, if judge the liquid supply electromagnetic valve signal of mainboard reception indoor set, condensation unit is according to the start and stop of this liquid supply electromagnetic valve signal controlling outdoor compressor, if judge mainboard and do not receive the liquid supply electromagnetic valve signal of indoor set, detection system pressure, according to the start and stop of the system pressure control outdoor compressor detecting, this scheme make condensation unit simultaneously compatible two kinds of mode control outdoor compressors unlatching and stop, effectively solve in correlation technique the mode of condensation unit control compressor single, cannot select according to specific environment the problem of suitable control mode, the flexibility of condensation unit control compressor is provided.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. a control method for condensation unit in refrigeration system, is characterized in that, comprising:
Judge whether the mainboard of condensation unit receives the liquid supply electromagnetic valve signal of indoor set;
If the determination result is YES, obtain the liquid supply electromagnetic valve signal of described indoor set, and according to the start and stop of the described liquid supply electromagnetic valve signal controlling outdoor compressor obtaining;
If judged result is no, detection system pressure, according to the start and stop of outdoor compressor described in the system pressure control detecting.
2. method according to claim 1, is characterized in that, the mainboard that judges condensation unit whether in receiving chamber the step of dynamo-electric magnet valve signal comprise:
Receiving mode control signal, wherein, described mode control signal comprises the first control signal and the second control signal;
Judge according to the type of the described mode control signal receiving whether described mainboard receives described liquid supply electromagnetic valve signal, wherein, if the described mode control signal receiving is the first control signal, described mainboard receives the liquid supply electromagnetic valve signal of described indoor set, if the described mode control signal receiving is the second control signal, described mainboard does not receive the liquid supply electromagnetic valve signal of described indoor set.
3. method according to claim 1 and 2, it is characterized in that, the liquid supply electromagnetic valve signal of described indoor set comprises the first status signal and the second status signal, the liquid supply electromagnetic valve that described the first status signal is used to indicate described indoor set is in opening, the liquid supply electromagnetic valve that described the second status signal is used to indicate described indoor set, in closed condition, comprises according to the start and stop of the liquid supply electromagnetic valve signal controlling outdoor compressor of the described indoor set obtaining:
In the time that the liquid supply electromagnetic valve signal of described indoor set is described the first status signal, controls described outdoor compressor and open;
In the time that the liquid supply electromagnetic valve signal of described indoor set is described the second status signal, controls described outdoor compressor and stop.
4. a control device for condensation unit in refrigeration system, is positioned on the mainboard of condensation unit, it is characterized in that, comprising:
Judging unit, for judging whether the mainboard of condensation unit receives the liquid supply electromagnetic valve signal of indoor set;
The first control module, while receiving the liquid supply electromagnetic valve signal of described indoor set, obtains described liquid supply electromagnetic valve signal for judge described mainboard at described judging unit, and according to the start and stop of the described liquid supply electromagnetic valve signal controlling outdoor compressor obtaining;
The second control module, while not receiving the liquid supply electromagnetic valve signal of described indoor set for judge described mainboard at described judging unit, detection system pressure, according to the start and stop of outdoor compressor described in the system pressure control detecting.
5. device according to claim 4, is characterized in that, described judging unit comprises:
Receiver module, for receiving mode control signal, wherein, described mode control signal comprises the first control signal and the second control signal;
Judge module, the type that is used for the mode control signal receiving according to described receiver module judges whether described mainboard receives described liquid supply electromagnetic valve signal, wherein, if the described mode control signal receiving is the first control signal, described mainboard receives the liquid supply electromagnetic valve signal of described indoor set, if the described mode control signal receiving is the second control signal, described mainboard does not receive the liquid supply electromagnetic valve signal of described indoor set.
6. according to the device described in claim 4 or 5, it is characterized in that, the liquid supply electromagnetic valve signal of described indoor set comprises the first status signal and the second status signal, the liquid supply electromagnetic valve that described the first status signal is used to indicate described indoor set is in opening, the liquid supply electromagnetic valve that described the second status signal is used to indicate described indoor set is in closed condition, and described the first control module comprises:
The first control module, in the time that the liquid supply electromagnetic valve signal of described indoor set is the first status signal, controls described outdoor compressor and opens;
The second control module, in the time that the liquid supply electromagnetic valve signal of described indoor set is the second status signal, controls described outdoor compressor and stops.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210414894.XA CN103776212B (en) | 2012-10-25 | 2012-10-25 | Control method and control device for condensing unit in refrigeration system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210414894.XA CN103776212B (en) | 2012-10-25 | 2012-10-25 | Control method and control device for condensing unit in refrigeration system |
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| CN103776212A true CN103776212A (en) | 2014-05-07 |
| CN103776212B CN103776212B (en) | 2015-12-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864565A (en) * | 2015-05-21 | 2015-08-26 | 珠海格力电器股份有限公司 | Control method of air conditioning unit |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
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| US20040172957A1 (en) * | 2003-03-06 | 2004-09-09 | Bean John H. | Systems and methods for head pressure control |
| US7004246B2 (en) * | 2002-06-26 | 2006-02-28 | York International Corporation | Air-to-air heat pump defrost bypass loop |
| CN1906450A (en) * | 2004-09-13 | 2007-01-31 | 大金工业株式会社 | Refrigerating device |
| CN102105759A (en) * | 2008-07-23 | 2011-06-22 | 开利公司 | Methods and systems for compressor operation |
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- 2012-10-25 CN CN201210414894.XA patent/CN103776212B/en active Active
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| CN1225444A (en) * | 1997-12-23 | 1999-08-11 | 运载器有限公司 | Discharge pressure control system for transport refrigeration unit using suction modulation |
| US7004246B2 (en) * | 2002-06-26 | 2006-02-28 | York International Corporation | Air-to-air heat pump defrost bypass loop |
| US20040172957A1 (en) * | 2003-03-06 | 2004-09-09 | Bean John H. | Systems and methods for head pressure control |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104864565A (en) * | 2015-05-21 | 2015-08-26 | 珠海格力电器股份有限公司 | Control method of air conditioning unit |
| CN104864565B (en) * | 2015-05-21 | 2018-01-05 | 珠海格力电器股份有限公司 | Control method of air conditioning unit |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US11919363B2 (en) | 2017-08-25 | 2024-03-05 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
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| CN103776212B (en) | 2015-12-02 |
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