CN103940053A - Air conditioner control method and device and air conditioner - Google Patents
Air conditioner control method and device and air conditioner Download PDFInfo
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- CN103940053A CN103940053A CN201310025388.6A CN201310025388A CN103940053A CN 103940053 A CN103940053 A CN 103940053A CN 201310025388 A CN201310025388 A CN 201310025388A CN 103940053 A CN103940053 A CN 103940053A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000005057 refrigeration Methods 0.000 claims abstract description 16
- 238000004378 air conditioning Methods 0.000 claims description 73
- 238000001514 detection method Methods 0.000 claims description 10
- 241000009298 Trigla lyra Species 0.000 claims description 8
- 239000003507 refrigerant Substances 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 7
- 230000001932 seasonal effect Effects 0.000 description 5
- 230000005012 migration Effects 0.000 description 4
- 238000013508 migration Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The invention provides an air conditioner control method and device and an air conditioner. Wherein, above-mentioned air conditioner includes: the control method comprises the following steps that a compressor, an evaporator, a throttling device and a condenser are sequentially connected through a refrigeration pipeline, an electromagnetic valve for controlling the on-off of the pipeline is connected in series between the evaporator and the throttling device or between the condenser and the throttling device, and the control method comprises the following steps: detecting a shutdown signal of the air conditioner; when the stop signal is detected, outputting a first control signal and a second control signal, wherein the first control signal is used for controlling the electromagnetic valve to be closed and to be opened when first designated time is reached, and the second control signal is used for controlling the internal fan of the air conditioner to be closed when second designated time is reached; and respectively controlling the on-off state of the electromagnetic valve and the on-off state of the inner fan according to the first control signal and the second control signal. By adopting the technical scheme provided by the invention, the SEER is improved, and the control method saves the cost, is simple to realize and is easy to operate.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of refrigeration control method of air-conditioning and device, air-conditioning.
Background technology
At present, some air conditioner products are to seasonal energy efficiency ratio (seer) (Season Energy Efficiency Ratio, referred to as SEER) have relatively high expectations, limited by housing cost and transportation dress cabinet amount, in industry, generally adopt the technical scheme of heating power expansion valve+inner blower time delay to improve efficiency, and then improve the seasonal energy efficiency ratio (seer) SEER of product.
But but there is following problem in such scheme:
1, the technology of heating power expansion valve is not mature enough, and cost is relatively high;
2, thermal expansion valve arrangement relative complex under current air-conditioning products low cost, small shell development trend, is installed heating power expansion valve and can be made originally compact shell space structure more complicated in air-conditioning system;
3, thermal expansion valve of air-conditioning system is difficult to and rotor compressor collocation use, and in the time of can making system stop machine in the short time due to heating power expansion valve operation principle, rotor compressor exists band pressure reduction starting problem.
For the problems referred to above in correlation technique, effective solution is not yet proposed at present.
Summary of the invention
The invention provides a kind of control method of air-conditioning and device, air-conditioning, to adopt relatively simple method to obtain higher seasonal energy efficiency ratio (seer).
According to an aspect of the present invention, a kind of control method of air-conditioning is provided, wherein, this air-conditioning comprises: the compressor connecting successively by refrigeration pipe, evaporimeter, throttling arrangement and condenser, between evaporimeter and throttling arrangement or between condenser and throttling arrangement, be in series with the magnetic valve for control piper break-make, above-mentioned control method comprises: the stopping signal that detects air-conditioning; When stopping signal being detected, export the first control signal and the second control signal, wherein, the first control signal is used for controlling above-mentioned closed electromagnetic valve, and open when arriving for the first fixed time, the second control signal is closed when arriving for the second fixed time for controlling the inner blower of air-conditioning; According to the first control signal and the second control signal, control respectively the on off state of magnetic valve and the on off state of inner blower.
Preferably, according to the first control signal and the second control signal, control respectively magnetic valve and inner blower, comprising: when the first control signal is controlled closed electromagnetic valve, control inner blower and start timing, and when arriving for the second fixed time, according to the second control signal, control and close inner blower.
Preferably, above-mentioned the first fixed time is not more than above-mentioned the second fixed time.
Preferably, air-conditioning also comprises interior machine controller and outer machine controller, and wherein, interior machine controller is exported the second control signal, and outer machine controller is exported the first control signal.
According to another aspect of the present invention, a kind of refrigeration control device of air-conditioning is provided, be arranged in air-conditioning, wherein, this air-conditioning comprises: the compressor connecting successively by refrigeration pipe, evaporimeter, throttling arrangement and condenser, between evaporimeter and throttling arrangement or between condenser and throttling arrangement, be in series with the magnetic valve for control piper break-make, also comprising: detection module, for detection of the stopping signal of air-conditioning; Output module, for detecting after described stopping signal at detection module, export the first control signal and the second control signal, wherein, the first control signal is for controlling the closed electromagnetic valve of air-conditioning, and open when arriving for the first fixed time, the second control signal is closed when arriving for the second fixed time for controlling the inner blower of air-conditioning; Control module, for controlling respectively the on off state of magnetic valve and the on off state of inner blower according to the first control signal and the second control signal.
Preferably, above-mentioned control module, for when the first control signal is controlled closed electromagnetic valve, controls inner blower and starts timing, and when arriving for the second fixed time, according to the second control signal, control and close inner blower.
Preferably, above-mentioned output module, for when above-mentioned the first fixed time is not more than above-mentioned the second fixed time, output the first control signal and the second control signal.
According to a further aspect of the invention, provide a kind of air-conditioning, comprised above-described device.
According to a further aspect of the invention, a kind of air-conditioning is provided, comprise: interior machine controller, outer machine controller, and the compressor connecting successively by refrigeration pipe, evaporimeter, throttling arrangement and condenser, between evaporimeter and throttling arrangement or between condenser and throttling arrangement, be in series with the magnetic valve for control piper break-make, wherein, interior machine controller and outer machine controller, be respectively used to detect the stopping signal of air-conditioning; Outer machine controller and interior machine controller are when stopping signal being detected, export respectively the first control signal and the second control signal, wherein, the first control signal is used for controlling closed electromagnetic valve, and open when arriving for the first fixed time, the second control signal is closed when arriving for the second fixed time for controlling the inner blower of air-conditioning; Outer machine controller, for controlling the on off state of magnetic valve according to the first control signal; And interior machine controller, for control the on off state of inner blower according to the second control signal.
By the present invention; employing is when the stopping signal of air-conditioning being detected; according to the technological means of the on off state of the first control signal and the second control signal control magnetic valve and inner blower; utilize cold or heat in air-conditioning after shutting down; improve SEER; this control method provides cost savings, and realizes simply easy operating.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, 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 according to the flow chart of the control method of the air-conditioning of the embodiment of the present invention 1;
Fig. 2 is according to the structured flowchart of the control device of the air-conditioning of the embodiment of the present invention 1;
Fig. 3 is according to the structural representation of the air-conditioning of the embodiment of the present invention 2.
The specific embodiment
Hereinafter with reference to accompanying drawing, also describe the present invention in detail in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
Following examples to realize principle as follows:
When air conditioner refrigerating was shut down after operation a period of time; by magnetic valve in the short time, block condenser mesohigh, high temperature refrigerant moves in evaporimeter; and in evaporimeter there is heat transfer temperature difference in temporary low temperature, low pressure refrigerant and air side; inner blower delay switching-off meanwhile; refrigeration system still can provide cold to environment; because the now basic load of whole system is interior dynamo-electric machine, system energy efficiency is higher simultaneously.
When should air-conditioning heating shutting down after operation a period of time, by magnetic valve in the short time, block evaporimeter mesohigh, high temperature refrigerant moves in condenser, air-conditioning still can utilize the heat in system to continue to provide heat to environment.
Below in conjunction with embodiment 1-2, describe in detail.
Embodiment 1
Fig. 1 is according to the flow chart of the control method of the air-conditioning of the embodiment of the present invention 1.This air-conditioning comprises: the compressor connecting successively by refrigeration pipe, evaporimeter, throttling arrangement and condenser, between evaporimeter and throttling arrangement or between condenser and throttling arrangement, be in series with the magnetic valve for control piper break-make, as shown in Figure 1, the method comprises:
Step S102, the stopping signal of detection air-conditioning;
Step S104, when stopping signal being detected, export the first control signal and the second control signal, wherein, the first control signal is used for controlling closed electromagnetic valve, and open when arriving for the first fixed time, the second control signal is closed when arriving for the second fixed time for controlling the inner blower of air-conditioning;
Step S106, controls respectively the on off state of magnetic valve and the on off state of inner blower according to the first control signal and the second control signal.
By above-mentioned treatment step, owing to adopting the first control signal, control the closed electromagnetic valve of air-conditioning, and open when arriving for the first fixed time, and the inner blower that adopts the second control signal to control air-conditioning is closed when arriving for the second fixed time, during shutdown, pass through shut electromagnetic valve, blocked the migration of refrigerant in refrigeration pipe, inner blower still moves, during refrigeration, can continue to utilize the cold of the low pressure refrigerant in air-conditioning system, while heating, can continue to utilize the heat of high-pressure refrigerant, improved the efficiency of air-conditioning, and then improving seasonal energy efficiency ratio (seer) SEER, can save the energy, simple with period control method, easily realize, save cost.
Magnetic valve is opened reaching in the first fixed time, refrigerant migration, and high-pressure refrigerant and low pressure refrigerant mix, and equalizing system pressure, has avoided compressor unlatching with pressure, affects the service life of system operation and compressor.
In the present embodiment, the executive agent of above-mentioned each treatment step can, for being exclusively used in the third party device of realizing said method, can be also existing one or more control modules in air-conditioning (for example, interior machine controller, outer machine controller).
In step S106, the time that timing time while controlling the closing of magnetic valve and above-mentioned the second fixed time start timing can be identical, also can be different, in a preferred implementation process of the present embodiment, in order more preferably to improve Energy Efficiency Ratio, can adopt front a kind of implementation, it is specific as follows: when the first control signal is controlled closed electromagnetic valve, control inner blower and start timing, and when arriving for the second fixed time, according to the second control signal, control and close inner blower.
In the present embodiment, above-mentioned the first fixed time was not more than for the second fixed time, optimum when both are equal.
As mentioned above, said method can be applied to interior machine controller and the outer machine controller of air-conditioning, and now, interior machine controller is used for exporting the second control signal, and outer machine controller is used for exporting the first control signal.
Embodiment 2
A kind of control device of air-conditioning is provided in the present embodiment, for realizing above-described embodiment and preferred embodiment, had carried out repeating no more of explanation, below the module relating in this device has been described.As used below, the combination of software and/or the hardware of predetermined function can be realized in term " module ".Although the described device of following examples is preferably realized with software, hardware, or the realization of the combination of software and hardware also may and be conceived.Fig. 2 is according to the structured flowchart of the control device of the air-conditioning of the embodiment of the present invention 1.This air-conditioning comprises: the compressor connecting successively by refrigeration pipe, evaporimeter, throttling arrangement and condenser, between evaporimeter and throttling arrangement or between condenser and throttling arrangement, be in series with the magnetic valve for control piper break-make, as shown in Figure 2, this device comprises:
Detection module 20, is connected to output module 22, for detection of the stopping signal of air-conditioning;
Output module 22, be connected to control module 24, for detecting after stopping signal at detection module 20, export the first control signal and the second control signal, wherein, the first control signal is used for controlling the closed electromagnetic valve of air-conditioning, and opens when arriving for the first fixed time, and the second control signal is closed when arriving for the second fixed time for controlling the inner blower of air-conditioning;
Control module 24, for controlling respectively the on off state of magnetic valve and the on off state of inner blower according to the first control signal and the second control signal.
Embodiment is similar with said method, in order more preferably to improve Energy Efficiency Ratio, and above-mentioned control module 24, can also be for when the first control signal be controlled closed electromagnetic valve, control inner blower and start timing, and when arriving for the second fixed time, according to the second control signal, control and close inner blower.
In a preferred implementation process of the present embodiment, above-mentioned output module 22, for when the first fixed time was not more than for the second fixed time, output the first control signal and the second control signal.
It should be noted that, the above-mentioned air-conditioning in the present embodiment includes but not limited to above each processing module, and for example, air-conditioning in the present embodiment can be realized in the following manner:
As shown in Figure 3, air-conditioning is comprised of off-premises station 10, indoor set 20 two parts, and off-premises station 10 comprises: compressor 42, condenser 34, outer blower fan 48, magnetic valve 38, choke valve 50, outdoor controller (or being called outer machine controller) 32; Indoor set 20 comprises: evaporimeter 40, inner blower 36, indoor controller (or being called interior machine controller) 30.
Wherein, magnetic valve 38 can be arranged between evaporimeter 40 and choke valve 50 or between condenser 34 and choke valve 50, and in Fig. 3, electrical equipment valve is arranged between condenser 34 and choke valve 50.
Magnetic valve 38 functions are open type, and open and close opportunitys, the control signal by outdoor controller 32 determined; Choke valve 50 control system cold medium fluxes play throttling action in system; Inner blower 36 is controlled by indoor controller 30, has delay switching-off function.
Inside and outside machine controller can write control program by mainboard.When interior machine controller 30 and outer machine controller 32 detect air-conditioning system stopping signal, outer machine controller 32 output control signals (being equivalent to the first control signal), magnetic valve 38 cuts out immediately, and t recovers opening after second; Indoor controller is closed after controlling (being equivalent to control by the second control signal) inner blower time delay t ' second, and t and t ' are positive integer, can equate, also can be unequal.Specifically can adopt following processing procedure to realize:
When air-conditioning is shut down, outer machine controller 32 exports that to continue t(t be natural number immediately) second signal to magnetic valve 38 coils, (t value can be definite according to actual conditions, preferred 90s in the present embodiment), magnetic valve 38 cuts out t time second, with blocking-up refrigerant migration, t is after second, and outer machine controller 32 stop signals are exported, magnetic valve 38 is opened; Interior machine controller 30 receives after system-down signal, controls inner blower 36 time delay t ' and closes inner blower 36 after second.Wherein, t and t ' are positive integer, and both can equate, also can be unequal, be preferably both when equal, and efficiency is the highest.
During the shutdown of this air-conditioning, pass through shut electromagnetic valve, blocked the migration of refrigerant in refrigeration pipe, inner blower still moves, and can continue to utilize the cold of the low pressure refrigerant in air-conditioning system during refrigeration, can continue to utilize the heat of high-pressure refrigerant while heating, improved the efficiency of air-conditioning, and then improving seasonal energy efficiency ratio (seer) SEER, can save the energy, simple with period control method, easily realize, save cost.
Side's body valve 46, square body valve 54 are arranged on outer machine refrigerant turnover pipeline, when air-conditioning need to overhaul, close the loss that two square body valves prevent cold-producing medium.
In air-conditioning system, be also provided with filter 44, filter 52, can filter out the impurity in cold-producing medium, prevent from affecting the normal operation of air-conditioning.
In another embodiment, also provide a kind of software, the technical scheme that this software is described for carrying out above-described embodiment and preferred embodiment.
In another embodiment, also provide a kind of storage medium, stored above-mentioned software in this storage medium, this storage medium includes but not limited to: CD, floppy disk, hard disk, scratch pad memory etc.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, and in some cases, can carry out shown or described step with the order being different from herein, or they are made into respectively to each integrated circuit modules, or a plurality of modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
These are 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 (9)
1. the control method of an air-conditioning, wherein, described air-conditioning comprises: the compressor connecting successively by refrigeration pipe, evaporimeter, throttling arrangement and condenser, between described evaporimeter and described throttling arrangement or between described condenser and described throttling arrangement, be in series with the magnetic valve for control piper break-make, it is characterized in that, described control method comprises:
Detect the stopping signal of described air-conditioning;
When described stopping signal being detected, export the first control signal and the second control signal, wherein, described the first control signal is used for controlling described closed electromagnetic valve, and open when arriving for the first fixed time, described the second control signal is closed when arriving for the second fixed time for controlling the inner blower of described air-conditioning;
According to described the first control signal and described the second control signal, control respectively the on off state of described magnetic valve and the on off state of described inner blower.
2. method according to claim 1, is characterized in that, according to described the first control signal and described the second control signal, controls respectively described magnetic valve and described inner blower, comprising:
When described the first control signal is controlled described closed electromagnetic valve, control described inner blower and start timing, and when arriving described the second fixed time, according to described the second control signal, control and close described inner blower.
3. method according to claim 1, is characterized in that, described the first fixed time is not more than described the second fixed time.
4. according to the method described in claims 1 to 3 any one, it is characterized in that, described air-conditioning also comprises interior machine controller and outer machine controller, and wherein, described interior machine controller is exported described the second control signal, and described outer machine controller is exported described the first control signal.
5. the control device of an air-conditioning, be arranged in air-conditioning, wherein, described air-conditioning comprises: the compressor connecting successively by refrigeration pipe, evaporimeter, throttling arrangement and condenser, between described evaporimeter and described throttling arrangement or between described condenser and described throttling arrangement, be in series with the magnetic valve for control piper break-make, it is characterized in that, comprising:
Detection module, for detection of the stopping signal of described air-conditioning;
Output module, for detecting after described stopping signal at detection module, export the first control signal and the second control signal, wherein, described the first control signal is used for controlling described closed electromagnetic valve, and open when arriving described the first fixed time, described the second control signal is closed when arriving for the second fixed time for controlling the inner blower of described air-conditioning;
Control module, for controlling respectively the on off state of described magnetic valve and the on off state of described inner blower according to described the first control signal and described the second control signal.
6. device according to claim 5, it is characterized in that, described control module, for when described the first control signal is controlled described closed electromagnetic valve, control described inner blower and start timing, and when arriving described the second fixed time, according to described the second control signal, control and close described inner blower.
7. device according to claim 5, is characterized in that, described output module, for when described the first fixed time is not more than described the second fixed time, is exported described the first control signal and described the second control signal.
8. an air-conditioning, is characterized in that, comprising: the device described in claim 5 to 7 any one.
9. an air-conditioning, comprise: interior machine controller, outer machine controller, and the compressor connecting successively by refrigeration pipe, evaporimeter, throttling arrangement and condenser, between described evaporimeter and described throttling arrangement or between described condenser and described throttling arrangement, be in series with the magnetic valve for control piper break-make, it is characterized in that
Described interior machine controller and described outer machine controller, be respectively used to detect the stopping signal of air-conditioning;
Described outer machine controller and described interior machine controller, when described stopping signal being detected, export respectively the first control signal and the second control signal, wherein, described the first control signal is used for controlling described closed electromagnetic valve, and open when arriving described the first fixed time, described the second control signal is closed when arriving for the second fixed time for controlling the inner blower of described air-conditioning;
Described outer machine controller, for controlling the on off state of described magnetic valve according to described the first control signal; And
Described interior machine controller, for controlling the on off state of described inner blower according to described the second control signal.
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| CN201310025388.6A CN103940053A (en) | 2013-01-23 | 2013-01-23 | Air conditioner control method and device and air conditioner |
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| CN201310025388.6A CN103940053A (en) | 2013-01-23 | 2013-01-23 | Air conditioner control method and device and air conditioner |
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| CN107576030A (en) * | 2017-09-29 | 2018-01-12 | 广东美的制冷设备有限公司 | The control method and air conditioner of air conditioner |
| CN109059136A (en) * | 2018-07-09 | 2018-12-21 | 珠海格力电器股份有限公司 | Air outlet structure, purifier and control method of air outlet structure |
| 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 |
| CN112594885A (en) * | 2019-04-19 | 2021-04-02 | 青岛海尔空调器有限总公司 | Air conditioner and control method thereof |
| 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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