CN106247713A - High-temperature protection device and method for window type air conditioner - Google Patents
High-temperature protection device and method for window type air conditioner Download PDFInfo
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- CN106247713A CN106247713A CN201610631208.2A CN201610631208A CN106247713A CN 106247713 A CN106247713 A CN 106247713A CN 201610631208 A CN201610631208 A CN 201610631208A CN 106247713 A CN106247713 A CN 106247713A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 238000005057 refrigeration Methods 0.000 claims description 32
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 239000006200 vaporizer Substances 0.000 description 20
- 238000004378 air conditioning Methods 0.000 description 15
- 230000000630 rising effect Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 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
- 239000003507 refrigerant Substances 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002618 waking effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/005—Arrangement or mounting of control or safety devices of safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/027—Condenser control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/04—Clogging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/12—Sound
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The application provides a window type air conditioner and a high-temperature protection device and method thereof. The device includes: the temperature monitoring unit is used for monitoring the temperature of the condenser in real time; the first judgment unit is used for judging whether the temperature of the condenser reaches a first preset temperature threshold value or not; and the reminding unit is used for sending a reminding signal under the condition that the first judging unit judges that the temperature of the condenser reaches a first preset temperature threshold value so as to remind a user of adding water to the air conditioner. According to the above-mentioned scheme of this application, send warning signal under the condition of judging that the condenser reaches specific temperature threshold value to remind the user to add water to the air conditioner, thereby reduce the condenser temperature, alleviate refrigerating system load, and, avoided frequently opening and stopping the compressor, shortened compressor life, the problem of influence system reliability.
Description
Technical field
The application relates to technical field of electric appliances, particularly relates to a kind of window air conditioner and high temperature protection apparatus and method thereof.
Background technology
Air-conditioning is when ambient temperature 40 DEG C operates above refrigeration, or owing to the drift such as dust foreign body long-term accumulated is blocked cold
After condenser, condensation temperature is the highest, and system pressure can reach the limit of value, and evaporating temperature is the highest, and wind pushing temperature is the highest, uses easypro
Adaptive is poor.When ambient temperature is higher or condenser is dirty stifled serious, when refrigeration system exceedes design load, delivery temperature protection,
Condenser high temperature protection, overload of compressor protect contour temperature protection device automatically to start, and compressor quits work, and causes air-conditioning
Cannot normally freeze, experience extreme difference.
Mostly use stopping this mode of compressor to solve system overload problem at present in industry, but compressor is frequently
Numerous start and stop can cause vibrating noise problem, and can shorten the service life of compressor, affects the reliability of system.
Summary of the invention
In view of this, the application provides a kind of window air conditioner and high temperature protection apparatus and method thereof, solves ambient temperature
Too high or condenser dirty stifled serious time, the wind pushing temperature that causes freezing is higher, even stops refrigeration and air-conditioner is used and relaxes
The problem that adaptive is the best.
First aspect according to the application, it is provided that the high temperature protection device of a kind of window air conditioner, including: first judges list
Unit, for judging whether the condenser temperature real-time monitored reaches the first preset temperature threshold value；Reminding unit, for described
First judging unit judges that described condenser temperature sends alerting signal in the case of reaching the first preset temperature threshold value, to remind
Air-conditioner is added water and reduces condenser temperature by user.
Further, described device also includes: temperature monitoring unit, monitors condenser temperature in real time；Second sentences
Disconnected unit, for sending after described alerting signal reaches scheduled duration at described reminding unit, it is judged that described condenser temperature is
No continuation raises；At described second judging unit, first control unit, for judging that described condenser temperature continues the feelings raised
Under condition, stop the operation of compressor.
Further, described device also includes: the second judging unit, for sending described prompting at described reminding unit
After signal reaches scheduled duration, it is judged that whether described condenser temperature continues raise and reach the 3rd preset temperature threshold value；First
At described second judging unit, control unit, for judging that described condenser temperature continues raise and reach the 3rd preset temperature threshold
In the case of value, stopping the operation of compressor, wherein, described 3rd preset temperature threshold value is higher than described first preset temperature threshold
Value.
Further, described second judging unit is further used for: if judging, described condenser temperature does not continues to raise, then
Judge whether described condenser temperature is reduced to below the second preset temperature threshold value；Described reminding unit is further used for: in institute
State in the case of the second judging unit judges that described condenser temperature is reduced to below the second preset temperature threshold value, stop sending institute
Stating alerting signal, wherein, described second preset temperature threshold value is less than described first preset temperature threshold value.
Further, described device farther includes: the 3rd judging unit, after the operation at stopping compressor,
Judge whether described condenser temperature is reduced to the second preset temperature threshold value and following；Second control unit, for described the
Three judging units judge described condenser temperature be reduced to the second preset temperature threshold value and following in the case of, restart compression
Machine freezes, and wherein, described second preset temperature threshold value is less than described first preset temperature threshold value.
Further, described reminding unit is in the case of judging that described condenser temperature reaches the first preset temperature threshold value
The mode sending alerting signal includes: opens refrigeration display lamp flicker, open buzzer warning, at a display screen display word
At least one remind；And/or, described reminding unit is in the case of the operation stopping compressor, it is provided that fault-signal, it is provided that therefore
The mode of barrier signal includes: stopping is freezed, and display lamp flashes, stopping buzzing being reported to the police, stopping display screen flashing and only shows that word carries
At least one wake up.
According to the application second aspect, it is provided that the high-temperature protection method of a kind of window air conditioner, including judging to monitor in real time
To condenser temperature whether reach the first preset temperature threshold value；Judging that described condenser temperature reaches the first preset temperature threshold
Send alerting signal in the case of value, reduce condenser temperature to remind user that air-conditioner is added water.
Further, described method also includes: monitor condenser temperature in real time；Reach pre-sending described alerting signal
After timing is long, it is judged that whether described condenser temperature continues to raise；In the case of judging that described condenser temperature continues to raise,
Stop the operation of compressor.
Further, described method also includes: sending after described alerting signal reaches scheduled duration, it is judged that described cold
Whether condenser temperature continues raise and reach the 3rd preset temperature threshold value；Judging that described condenser temperature continues to raise and reach
In the case of 3rd preset temperature threshold value, stopping the operation of compressor, wherein, described 3rd preset temperature threshold value is higher than described the
One preset temperature threshold value.
Further, described method farther includes: if judging, described condenser temperature does not continues to raise, then judge institute
State whether condenser temperature is reduced to below the second temperature threshold；Judging that described condenser temperature is reduced to the second preset temperature
In the case of below threshold value, stopping sending described alerting signal, wherein, described second preset temperature threshold value is first pre-less than described
If temperature threshold.
Further, described method farther includes: after the operation stopping compressor, it is judged that described condenser temperature
Whether it is reduced to below the second preset temperature threshold value；Judging that described condenser temperature is reduced to below the second preset temperature threshold value
In the case of, restart compressor and freeze, wherein, described second preset temperature threshold value is less than described first preset temperature
Threshold value.
Further, described method is sent out in the case of described condenser temperature reaches the first preset temperature threshold value judging
The mode going out alerting signal includes: opens refrigeration display lamp flicker, unlatching buzzer warning, carry at a display screen display word
At least one wake up；And/or, in the case of the operation stopping compressor, it is provided that fault-signal, it is provided that the mode bag of fault-signal
Include: stop refrigeration display lamp flicker, stopping buzzing warning, stop display screen flicker and only show at least one word prompting.
The third aspect according to the application, it is provided that a kind of window air conditioner, including the device described in any of the above-described item.
Such scheme according to the application, it is provided that a kind of window air conditioner and high temperature protection apparatus and method thereof, for window
The structure of formula air-conditioner, sends alerting signal, to remind user couple in the case of condenser reaches specified temp threshold value judging
Air-conditioner adds water, thus reduces condenser temperature, alleviates refrigeration system load, it is to avoid in high temperature environments or condenser is dirty stifled
Time serious, refrigeration wind pushing temperature is higher, and even compressor stops refrigeration and causes the best problem of air-conditioning comfort；Meanwhile,
Solve frequent start-stop compressor, shorten compressor service life, the problem affecting system reliability.
Described above is only the general introduction of technical scheme, in order to better understand the technological means of the application,
And can be practiced according to the content of description, below with the preferred embodiment of the application and coordinate accompanying drawing describe in detail as after.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing further understanding of the present application, and the application's is schematic real
Execute example and illustrate for explaining the application, being not intended that the improper restriction to the application.In the accompanying drawings:
Fig. 1 a, 1b show the structured flowchart of the high temperature protection device of the window air conditioner according to the application one embodiment；
Fig. 2 shows the section of structure of window air conditioner in practice；
Fig. 3 shows the structured flowchart of the high temperature protection device of the window air conditioner according to another embodiment of the application；
Fig. 4 shows the structured flowchart of the high temperature protection device of the window air conditioner according to the another embodiment of the application；
Fig. 5 shows the structured flowchart of the high temperature protection device of the window air conditioner according to the application another embodiment；
Fig. 6 shows the structured flowchart of the high temperature protection device of the window air conditioner according to the application another embodiment again；
Fig. 7 shows the flow chart of the high-temperature protection method of the window air conditioner according to the application one embodiment；
Fig. 8 shows the flow chart of the high-temperature protection method of the window air conditioner according to another embodiment of the application；
Fig. 9 shows the flow chart of the high-temperature protection method of the window air conditioner according to the another embodiment of the application；
Figure 10 shows the flow chart of the high-temperature protection method of the window air conditioner according to the application another embodiment；
Figure 11 shows the flow chart of the high-temperature protection method of the window air conditioner according to the application another embodiment again.
Detailed description of the invention
For making the purpose of the application, technical scheme and advantage clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described by corresponding accompanying drawing.Obviously, described embodiment is only the application one
Section Example rather than whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of the application protection.
First accompanying drawing is combined so that the window air conditioner of the application and included described high temperature protection device thereof to be described.
Fig. 1 a shows the window air conditioner according to the application and the structural frames of included described high temperature protection device thereof
Figure.As shown in Figure 1a, described window air conditioner at least includes vaporizer A, compressor B condenser C and high temperature protection device D.
Fig. 2 shows the structured flowchart of an embodiment of the high temperature protection device of the window air conditioner according to the application.As
Shown in Fig. 2, high temperature protection device includes temperature monitoring unit the 110, first judging unit 120 and reminding unit 130.Wherein,
Temperature monitoring unit 110 monitors condenser temperature in real time；First judging unit 120 is used for judging that described condenser temperature is
No reach the first preset temperature threshold value；At described first judging unit, reminding unit 130 is for judging that described condenser temperature reaches
Alerting signal is sent, to remind user that air-conditioner is added water in the case of the first preset temperature threshold value.
Specifically, window air conditioner is when refrigeration, and the heat exchanger in off-premises station is referred to as condenser, and the heat exchange in indoor set
Device is referred to as vaporizer.Condenser is typically made up of pipe and fin, and the usual dish of pipe becomes solenoid, condenser to be arranged on compression
Between machine air vent and throttling arrangement, the cold-producing medium (freon) discharged in compressor of air conditioner enter condenser, pass through pipe
(such as copper pipe) and fin (such as aluminium foil) cooling.
In one embodiment, described condenser temperature is specifically as follows temperature (the abbreviation pipe of pipe in condenser
Temperature), if condenser temperature Ta, the first preset temperature threshold value T1, after refrigerating operaton, temperature monitoring unit 110 monitors condensation in real time
Device temperature Ta, the first judging unit 120 compares condenser temperature Ta and the first preset temperature threshold value T1 in real time, works as condenser temperature
Ta reaches the first preset temperature threshold value, and i.e. during Ta >=T1, condenser temperature is too high, and system is in heavy-duty service state, now
Reminding unit 130 sends alerting signal, and air-conditioning is added water by this alerting signal in order to remind user.Send the mode bag of alerting signal
Include but the display lamp flicker that is not limited to freeze, open buzzer, one show screen display word (even: flash display word:
Display stroboscopic sparkles display failure code etc.) one or more in these alerting patterns.Such as, buzzer rings, simultaneously
Refrigeration display lamp flicker, even display screen flickering display reminds the information etc. that user adds water, to remind user that air-conditioning is added water, from
And reduce the temperature of condenser.
Specifically, Fig. 1 b shows the section of structure of window air conditioner in practice.As shown in Figure 1 b, empty due to window
The architectural characteristic adjusted, user flows on drip tray 201 toward pouring on vaporizer 204, water, then is discharged on the chassis of outside, room
Water on chassis is constantly thrown on condenser 203 by the hydrosphere of the axial-flow leaf 202 in outside, thus improves condenser 203
Heat exchange, reduces condenser temperature, thus reduces system pressure difference, reduce the purpose of system loading.Meanwhile, condenser temperature
After reduction, the refrigerant temperature after throttling arrangement throttles will also decrease, and cold-producing medium heat exchange amount in vaporizer 204 increases, and steams
Sending out device temperature to reduce, wind pushing temperature also reduces, and refrigerating capacity increases, thus improves the comfort of air-conditioner.
Further, Fig. 3 shows that the structure of high temperature protection device of the window air conditioner according to another embodiment of the application is shown
It is intended to.As it is shown on figure 3, the high temperature protection device of this window air conditioner can also wrap on the basis of the embodiment described by Fig. 1
Include the second judging unit 140 and the first control unit 150.
In one embodiment, the second judging unit 140 reaches for sending described alerting signal at described reminding unit
After scheduled duration, it is judged that whether described condenser temperature continues to raise；First control unit 150 is for judging described second
In the case of condenser temperature described in unit judges continues to raise, stop the operation of compressor.
Described scheduled duration is the time added water reserved to user, if described scheduled duration t, reminding unit 130
Go out alerting signal and remind after air-conditioner adds water by user, if user within this scheduled duration t time to air-conditioner in vaporizer add
Water, condenser temperature Ta will reduce, if vaporizer was not added water within this scheduled duration t time by user in time, then condenser
Temperature Ta continues to raise.
Sending after described alerting signal reaches scheduled duration t at described reminding unit 130, the second judging unit 140 judges
Whether described condenser temperature Ta continues to raise, if condenser temperature Ta continues to raise, illustrates that vaporizer is not added by user in time
Water, now refrigeration system exceedes design load, and the first control unit 150 stops the operation of compressor.And then, it is also possible to include, institute
State reminding unit in the case of the operation stopping compressor, it is provided that fault-signal, it is provided that the mode of fault-signal includes: stop
Refrigeration display lamp flicker, stopping buzzing being reported to the police, are stopped display screen flicker and only show at least one word prompting.
In the present embodiment, when condenser temperature reaches the first temperature threshold, send alerting signal, send prompting letter
After number scheduled duration, if condenser temperature continues to raise, then stop compressor operating.Therefore, the present embodiment is to stop at compressor
Only send alerting signal before work, remind user that air-conditioner is added water.If user within the time that adds water of this scheduled duration and
Time air-conditioner is added water, then can reduce condenser temperature, make compressor properly functioning, it is to avoid owing to condenser temperature is too high,
Compressor is caused to stop refrigeration so that the problem that air-conditioning comfort is the best；Avoid frequent start-stop compressor, and make compression
Machine shortening in service life, the problem affecting system reliability.
Further, based on the embodiment described by Fig. 3, described second judging unit 140 is further used for: if judging institute
State condenser temperature not continue to raise, but reducing, then judge whether described condenser temperature is reduced to the second temperature threshold
Below (whether condenser temperature is less than or equal to the second preset temperature threshold value)；Described reminding unit 130 is further used for: in institute
State in the case of the second judging unit 140 judges that described condenser temperature is reduced to below the second preset temperature threshold value, stop sending out
Go out described alerting signal.
Wherein, described second preset temperature threshold value is less than described first preset temperature threshold value.If the second preset temperature threshold value
T2, and T2 ＜ T1.In scheduled duration t after described reminding unit 130 sends described alerting signal, if user is in air-conditioner
Vaporizer adds water, and through a series of effects, condenser temperature Ta will reduce；If judging after the t time, condenser temperature Ta does not continues
Height of continuing rising, illustrates that air-conditioning is added water by user；If judging, described condenser temperature does not continues to raise, then the second judging unit
140 judge whether described condenser temperature is reduced to below the second temperature threshold T2, and as condenser temperature Ta, to be reduced to second pre-
If during below temperature threshold T2, i.e. during Ta≤T2, reminding unit 130 can stop sending alerting signal.Such as, stop refrigeration referring to
Show that lamp flashes, stop display word and remind.
In one embodiment, as shown in Figure 4 according to the high temperature of the window air conditioner of another embodiment of the application
The structured flowchart of protection device, on the basis of the embodiment described by Fig. 3, the high temperature protection device of this window air conditioner is also for it
The 3rd judging unit 160 and the second control unit 170 can be included.
3rd judging unit 160 is for after described first control unit 150 stops the operation of compressor, it is judged that described cold
Whether condenser temperature is reduced to below the second preset temperature threshold value, and (whether condenser temperature is less than or equal to the second preset temperature threshold
Value)；At described 3rd judging unit, second control unit 170 is for judging that described condenser temperature is reduced to the second preset temperature
In the case of below threshold value, restart compressor and freeze.
Specifically, after compressor is out of service, condenser temperature Ta reduces, and it is cold that temperature detecting unit 110 continues monitoring
Condenser temperature Ta, the 3rd judging unit 160 judges whether condenser temperature Ta is reduced to below the second preset temperature threshold value T2 (Ta
≤T2)；If the 3rd judging unit 160 judges that condenser temperature Ta is reduced to below the second preset temperature threshold value T2, i.e. Ta≤T2,
System exits heavy-duty service state, and now, the second control unit 170 restarts compressor and freezes.
Further, in one embodiment, Fig. 5 shows the height of the window air conditioner according to the application another embodiment
The structured flowchart of temperature protection device.As it is shown in figure 5, on the basis of the embodiment described by Fig. 4 the high temperature of this window air conditioner
Protection device can also include the second judging unit 141 and the first control unit 151.
Second judging unit 141, for sending after described alerting signal reaches scheduled duration at described reminding unit 130, is sentenced
Whether disconnected described condenser temperature continues to raise, and it continues rising and reaches a 3rd preset temperature threshold value；First controls
At described second judging unit 141, unit 151 is for judging that described condenser temperature continues raise and reach the 3rd preset temperature
In the case of threshold value, stop the operation of compressor.
Specifically, described scheduled duration is the time added water reserved to user, if described scheduled duration t, carries described
Unit 130 of waking up sends alerting signal and reminds after air-conditioner adds water by user, if user within this scheduled duration t time to air-conditioner
Middle vaporizer adds water, and condenser temperature Ta will reduce, if vaporizer was not added within this scheduled duration t time by user in time
Water, then condenser temperature Ta continues to raise.If condenser temperature Ta continues to raise, the second judging unit 141 judges condenser temperature
Degree Ta reaches the 3rd preset temperature threshold value, and described 3rd preset temperature threshold value is higher than described first preset temperature threshold value, if institute
State the 3rd preset temperature threshold value T3, T1 T3.Described 3rd preset temperature threshold value T3 can be the limiting temperature of condenser temperature Ta
Value, when condenser temperature Ta reaches capacity temperature value, system is also at limit load state, therefore, when the second judging unit
141 judge (to reach Ta more than or equal to T3, Ta >=T3) when condenser temperature Ta reaches the 3rd preset temperature threshold value T3, the
One control unit 151 stops the operation of compressor.
The present embodiment is when condenser temperature reaches specified temp threshold value (the first preset temperature threshold value), sends prompting letter
Number, remind user that air-conditioner is added water；If air-conditioner is added water by user in time, then condenser temperature can be made to reduce, make system
Recovering normal operating conditions, it is to avoid owing to condenser temperature is too high, system reaches capacity load condition, causes compressor to stop system
Cold, and make the best problem of user's comfortableness.
Further, based on the embodiment described by Fig. 5, described second judging unit 141 is further used for: if judging institute
State condenser temperature not continue to raise, then judge whether described condenser temperature is reduced to below the second preset temperature threshold value；Institute
State reminding unit 151 to be further used for: judge that described condenser temperature is reduced to second and presets at described second judging unit 141
In the case of below temperature threshold, stopping sending described alerting signal, wherein, described second preset temperature threshold value is less than described the
One preset temperature threshold value.
Wherein, described second preset temperature threshold value is less than described first preset temperature threshold value.If the second preset temperature threshold value
T2, and T2 ＜ T1.In scheduled duration t after reminding unit 151 sends described alerting signal, if user is evaporated in air-conditioner
Device adds water, and through a series of effects, condenser temperature Ta will reduce.If the second judging unit 141 judges condenser after the t time
Temperature Ta does not continues to raise, and illustrates that air-conditioning is added water by user, and whether the second judging unit 141 judges described condenser temperature
It is reduced to the second below temperature threshold T2, when judging that condenser temperature Ta is reduced to below the second preset temperature threshold value T2, i.e.
During Ta≤T2, reminding unit 151 can stop sending alerting signal.Such as, stop refrigeration display lamp flicker, stop display word
Remind.
Further, in one embodiment, Fig. 6 shows the window air conditioner according to the application another embodiment again
The structured flowchart of high temperature protection device.As shown in Figure 6, the height of this window air conditioner on the basis of the embodiment described by Fig. 5
Temperature protection device also includes the 3rd judging unit 161 and the second control unit 171.
3rd judging unit 161 is for after the operation stopping compressor, it is judged that whether described condenser temperature is reduced to
Second preset temperature threshold value and following (whether condenser temperature is less than or equal to the second preset temperature threshold value)；Second control unit
At described 3rd judging unit, 171 for judging that described condenser temperature is reduced to the second preset temperature threshold value and following situation
Under, restart compressor and freeze.
After compressor is out of service, condenser temperature Ta reduces, and temperature detecting unit 110 continues monitoring condenser temperature
Ta, the 3rd judging unit 161 judges whether condenser temperature Ta is reduced to below the second preset temperature threshold value T2 (Ta≤T2)；If
Condenser temperature Ta is reduced to below the second preset temperature threshold value T2, i.e. Ta≤T2, and system exits heavy-duty service state, now
Second control unit 171 restarts compressor and freezes.
In the scheme of the application, " reaching " a certain preset temperature threshold value is (as the aforementioned: first, second, third presets temperature
Degree threshold value), refer to that condenser temperature is more than or equal to this preset temperature threshold value；And " being reduced to " a certain preset temperature threshold value, it is
Refer to that condenser temperature is less than or equal to this preset temperature threshold value.Wherein, temperature monitoring unit 110 provides real-time condenser temperature
To each judging unit, in order to compare judgement with each temperature threshold preset.
It is described below in conjunction with Fig. 7, Fig. 8, high-temperature protection method to the window air conditioner of the application.
Fig. 7 shows the flow chart of the described method according to the application one embodiment.
As it is shown in fig. 7, the high-temperature protection method of described window air conditioner includes step S110, step S120 and step
S130。
Step S110, monitors condenser temperature in real time.
Step S120, it is judged that whether described condenser temperature reaches the first preset temperature threshold value.
Step S130, is judging that sending prompting in the case of described condenser temperature reaches the first preset temperature threshold value believes
Number, to remind user that air-conditioning is added water.
Window air conditioner is when refrigeration, and the heat exchanger in off-premises station is referred to as condenser, and the heat exchanger in indoor set is referred to as
Vaporizer.Condenser is typically made up of pipe and fin, and the usual dish of pipe becomes solenoid, condenser to be arranged on compressor air-discharging
Between mouth and throttling arrangement (e.g., capillary tube or electric expansion valve), enter the cold-producing medium (freon) discharged in compressor of air conditioner
Enter condenser, by pipe (such as copper pipe) and fin (such as aluminium foil) cooling.
Described condenser temperature is specifically as follows the temperature (being called for short Guan Wen) of pipe in condenser, if condenser temperature Ta,
First preset temperature threshold value T1, after refrigerating operaton, in real time monitoring condenser temperature Ta, and compare condenser temperature Ta and the in real time
One preset temperature threshold value T1, when condenser temperature Ta reaches the first preset temperature threshold value, i.e. during Ta >=T1, condenser temperature mistake
Height, system is in heavy-duty service state, now sends alerting signal, and air-conditioning is added water by this alerting signal in order to remind user.
The mode sending alerting signal includes but not limited to refrigeration display lamp flicker, opens buzzer, at a display screen display word
One in (even: flash display word: display stroboscopic sparkles display failure code etc.) these alerting patterns or one with
On.Such as, buzzer rings, and the information etc. that user adds water is reminded in the flicker of refrigeration display lamp, even display screen flickering display simultaneously, with
Remind user that air-conditioning is added water, thus reduce condenser temperature.
Specifically, Fig. 1 b shows the section of structure of window air conditioner in practice.As shown in Figure 1 b, empty due to window
Adjusting the architectural characteristic of device, user flows on drip tray toward pouring on vaporizer, water, then is discharged on the chassis of outside, outside
The hydrosphere of axial-flow leaf constantly the water on chassis is thrown on condenser, thus improve the heat exchange of condenser, reduce condensation
Device temperature, thus reduce system pressure difference, reduce the purpose of system loading.After condenser temperature reduces, through throttling simultaneously
Refrigerant temperature after device throttling will also decrease, and cold-producing medium heat exchange amount in vaporizer increases, and evaporator temperature reduces, air-supply
Temperature also reduces, and refrigerating capacity increases, thus improves the comfort of air-conditioner.
Further, Fig. 8 shows the flow process of high-temperature protection method of the window air conditioner according to another embodiment of the application
Figure.As shown in Figure 8, on the basis of Fig. 7, the high-temperature protection method of this window air conditioner can also include step S140 and step
S150。
Step S140, is sending after described alerting signal reaches scheduled duration, it is judged that whether described condenser temperature continues
Raise.
Wherein, described scheduled duration is the time added water reserved to user, if described scheduled duration t, is sending prompting
Signal is reminded after air-conditioner adds water by user, if user within this scheduled duration t time to air-conditioner in vaporizer add water, condensation
Device temperature Ta will reduce, if vaporizer was not added water within this scheduled duration t time by user in time, then condenser temperature Ta continues
Height of continuing rising.
Step S150, in the case of judging that described condenser temperature continues to raise, stops the operation of compressor.And then,
Can also include, in the case of the operation stopping compressor, it is provided that fault-signal, it is provided that the mode of fault-signal includes: stop
Only refrigeration display lamp flicker, stopping buzzing being reported to the police, are stopped display screen flicker and only show at least one word prompting.
If after sending described alerting signal scheduled duration, condenser temperature continues to raise, and illustrates that user is the most right
Vaporizer adds water, and now refrigeration system exceedes design load, stops the operation of compressor.
In the present embodiment, when condenser temperature reaches the first temperature threshold, send alerting signal, send prompting letter
After number scheduled duration, if condenser temperature continues to raise, then stop compressor operating.Therefore, the present embodiment is to stop at compressor
Only send alerting signal before work, remind user that air-conditioner is added water.If user within the time that adds water of this scheduled duration and
Time air-conditioner is added water, then can reduce condenser temperature, make compressor properly functioning, it is to avoid owing to condenser temperature is too high,
Compressor is caused to stop refrigeration so that the problem that air-conditioning comfort is the best；Avoid frequent start-stop compressor, and make compression
Machine shortening in service life, the problem affecting system reliability.
Further, based on the embodiment described by Fig. 8, also include (not shown):
If judging, described condenser temperature does not continues to raise, but is reducing, then judge whether described condenser temperature drops
Low to (whether condenser temperature is less than or equal to the second preset temperature threshold value) below the second temperature threshold；
In the case of judging that described condenser temperature is reduced to below the second preset temperature threshold value, stop send described in carry
Awake signal.
Wherein, described second preset temperature threshold value is less than described first preset temperature threshold value.If the second preset temperature threshold value
T2, and T2 ＜ T1.In scheduled duration t after sending described alerting signal, if vaporizer in air-conditioner is added water by user, pass through
A series of effects, condenser temperature Ta will reduce；If judging after the t time, condenser temperature Ta does not continues to raise, and user is described
Air-conditioning is added water, when condenser temperature Ta is reduced to below the second preset temperature threshold value T2, i.e. during Ta≤T2, Ji Keting
Only send alerting signal.Such as, stop refrigeration display lamp flicker, stop display word and remind.
Fig. 9 shows the flow chart of the high-temperature protection method of the window air conditioner according to the another embodiment of the application.Such as Fig. 9
Shown in, on the basis of Fig. 8, the high-temperature protection method of this window air conditioner also includes step S160 and step S170.
Step S160, after the operation stopping compressor, it is judged that whether described condenser temperature is reduced to second and presets temperature
(whether condenser temperature is less than or equal to the second preset temperature threshold value) below degree threshold value.
After compressor is out of service, condenser temperature Ta reduces, and continues monitoring condenser temperature Ta, and judges condenser
Whether temperature Ta is reduced to below the second preset temperature threshold value T2 (Ta≤T2).
Step S170, in the case of described condenser temperature is reduced to below the second preset temperature threshold value, restarts
Compressor freezes.
If condenser temperature Ta is reduced to below the second preset temperature threshold value T2, i.e. Ta≤T2, system exits high load capacity fortune
Row state, now restarts compressor and freezes.
Further, Figure 10 shows the flow process of high-temperature protection method of the window air conditioner according to the application another embodiment
Figure.As shown in Figure 10, on the basis of Fig. 7, the high-temperature protection method of this window air conditioner also includes step S141 and step
S151。
Step S141, is sending after described alerting signal reaches scheduled duration, it is judged that whether described condenser temperature continues
Raise, and continue rising and reach a 3rd preset temperature threshold value.
Wherein, described scheduled duration is the time added water reserved to user, if described scheduled duration t, is sending prompting
Signal is reminded after air-conditioner adds water by user, if user within this scheduled duration t time to air-conditioner in vaporizer add water, condensation
Device temperature Ta will reduce, if vaporizer was not added water within this scheduled duration t time by user in time, then condenser temperature Ta continues
Height of continuing rising.
Step S151, in the case of judging that described condenser temperature continues to raise and reach the 3rd preset temperature threshold value,
Stop the operation of compressor.
Described 3rd preset temperature threshold value is higher than described first preset temperature threshold value, if described 3rd preset temperature threshold value
T3, T1 T3.Described 3rd preset temperature threshold value T3 can be the Limit temperature value of condenser temperature Ta, as condenser temperature Ta
Reach capacity temperature value time, system is also at limit load state, therefore, when judging that condenser temperature Ta reaches the 3rd and presets
(reach Ta more than or equal to T3, Ta >=T3) during temperature threshold T3, stop the operation of compressor.
The present embodiment is when condenser temperature reaches specified temp threshold value (the first preset temperature threshold value), sends prompting letter
Number, remind user that air-conditioner is added water；If air-conditioner is added water by user in time, then condenser temperature can be made to reduce, make system
Recovering normal operating conditions, it is to avoid owing to condenser temperature is too high, system reaches capacity load condition, causes compressor to stop system
Cold, and make the best problem of user's comfortableness.
Further, based on the embodiment described by Figure 10, also include (not shown):
If judging, described condenser temperature does not continues to raise, then judge whether described condenser temperature is reduced to the second temperature
(whether condenser temperature is less than or equal to the second preset temperature threshold value) below threshold value；
In the case of judging that described condenser temperature is reduced to below the second preset temperature threshold value, stop send described in carry
Awake signal.
Wherein, described second preset temperature threshold value is less than described first preset temperature threshold value.If the second preset temperature threshold value
T2, and T2 ＜ T1.In scheduled duration t after sending described alerting signal, if vaporizer in air-conditioner is added water by user, pass through
A series of effects, condenser temperature Ta will reduce.If judging after the t time, condenser temperature Ta does not continues to raise, and user is described
Air-conditioning is added water, when condenser temperature Ta is reduced to below the second preset temperature threshold value T2, i.e. during Ta≤T2, Ji Keting
Only send alerting signal.Such as, stop refrigeration display lamp flicker, stop display word and remind.
Figure 11 shows the flow chart of the high-temperature protection method of the window air conditioner according to the application further embodiment again.
As shown in figure 11, on the basis of Figure 10, the high-temperature protection method of this window air conditioner also includes step S161 and step S171.
Step S161, after the operation stopping compressor, it is judged that whether described condenser temperature is reduced to second and presets temperature
(whether condenser temperature is less than or equal to the second preset temperature threshold value) below degree threshold value.
After compressor is out of service, condenser temperature Ta reduces, and continues monitoring condenser temperature Ta, and judges condenser
Whether temperature Ta is reduced to below the second preset temperature threshold value T2 (Ta≤T2).
Step S171, in the case of judging that described condenser temperature is reduced to below the second preset temperature threshold value, again
Start compressor to freeze.
If condenser temperature Ta is reduced to below the second preset temperature threshold value T2, i.e. Ta≤T2, system exits high load capacity fortune
Row state, now restarts compressor and freezes.
In the scheme of the application, " reaching " a certain preset temperature threshold value is (as the aforementioned: first, second, third presets temperature
Degree threshold value), refer to that condenser temperature is more than or equal to this preset temperature threshold value；And " being reduced to " a certain preset temperature threshold value, it is
Refer to that condenser temperature is less than or equal to this preset temperature threshold value.Wherein, temperature monitoring can provide real-time condenser temperature to respectively
Individual judging unit, in order to compare judgement with each temperature threshold preset.
Above the high temperature protection apparatus and method of the window air conditioner of the application are described.Upper according to the application
State scheme, send alerting signal in the case of condenser reaches specified temp threshold value, to remind user that air-conditioner is added judging
Water, thus reduce condenser temperature, alleviates refrigeration system load, it is to avoid in high temperature environments or condenser dirty stifled serious time,
Refrigeration wind pushing temperature is higher, and even compressor stops refrigeration and causes the best problem of air-conditioning comfort；Meanwhile, frequency is solved
Numerous start and stop compressor, shortens compressor service life, the problem affecting system reliability.
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Combination mutually, such as: the method enforcement etc. in the apparatus.
The above, be only the preferred embodiment of the application, the application not makees any pro forma restriction, depends on
Any simple modification, equivalent variations and the modification made above example according to the technical spirit of the application, all still falls within this Shen
Please be in the range of technical scheme.
Claims (13)
1. the high temperature protection device of a window air conditioner, it is characterised in that including:
First judging unit, for judging whether the condenser temperature real-time monitored reaches the first preset temperature threshold value；
At described first judging unit, reminding unit, for judging that described condenser temperature reaches the feelings of the first preset temperature threshold value
Send alerting signal under condition, reduce condenser temperature to remind user that air-conditioner is added water.
2. device as claimed in claim 1, it is characterised in that also include:
Temperature monitoring unit, monitors condenser temperature in real time；
Second judging unit, for sending after described alerting signal reaches scheduled duration at described reminding unit, it is judged that described cold
Whether condenser temperature continues to raise；
First control unit, in the case of judging that described condenser temperature continues to raise at described second judging unit, stops
The only operation of compressor.
3. device as claimed in claim 2, it is characterised in that
Second judging unit also includes: for sending after described alerting signal reaches scheduled duration at described reminding unit, it is judged that
Whether described condenser temperature continues raise and reach the 3rd preset temperature threshold value；First control unit also includes: in institute
State the second judging unit and judge that described condenser temperature continues to raise and in the case of reaching the 3rd preset temperature threshold value, stop pressure
The operation of contracting machine；
Wherein, described 3rd preset temperature threshold value is higher than described first preset temperature threshold value.
4. device as claimed in claim 2 or claim 3, it is characterised in that
Described second judging unit also includes: if for judging that described condenser temperature does not continues to raise, then judging described condensation
Whether device temperature is reduced to below the second preset temperature threshold value；
Described reminding unit also includes: judge that described condenser temperature is reduced to the second preset temperature at described second judging unit
In the case of below threshold value, stop sending described alerting signal；
Wherein, described second preset temperature threshold value is less than described first preset temperature threshold value.
5. device as claimed in claim 2 or claim 3, it is characterised in that farther include:
3rd judging unit, after the operation stopping compressor in described first control unit, it is judged that described condenser temperature
Whether it is reduced to the second preset temperature threshold value and following；
At described 3rd judging unit, second control unit, for judging that described condenser temperature is reduced to the second preset temperature threshold
In the case of being worth and being following, restart compressor and freeze；
Wherein, described second preset temperature threshold value is less than described first preset temperature threshold value.
6. the device as described in any one of claim 1-3, it is characterised in that farther include:
Described reminding unit sends alerting signal in the case of described condenser temperature reaches the first preset temperature threshold value judging
Mode include: open refrigeration display lamp flicker, open buzzer warning, one display screen display word remind at least it
One；
And/or,
Described reminding unit is in the case of the operation stopping compressor, it is provided that fault-signal, it is provided that the mode bag of fault-signal
Include: stop refrigeration display lamp flicker, stopping buzzing warning, stop display screen flicker and only show at least one word prompting.
7. the high-temperature protection method of a window air conditioner, it is characterised in that including:
Judge whether the condenser temperature real-time monitored reaches the first preset temperature threshold value；
Alerting signal is sent, to remind user couple judging in the case of described condenser temperature reaches the first preset temperature threshold value
Air-conditioner adds water and reduces condenser temperature.
8. method as claimed in claim 7, it is characterised in that also include:
Monitor condenser temperature in real time；
Sending after described alerting signal reaches scheduled duration, it is judged that whether described condenser temperature continues to raise；
In the case of judging that described condenser temperature continues to raise, stop the operation of compressor.
9. method as claimed in claim 8, it is characterised in that also include:
Sending after described alerting signal reaches scheduled duration, it is judged that whether described condenser temperature continues raise and reach the 3rd
Preset temperature threshold value；
In the case of judging that described condenser temperature continues to raise and reach the 3rd preset temperature threshold value, stop the fortune of compressor
OK；
Wherein, described 3rd preset temperature threshold value is higher than described first preset temperature threshold value.
10. method as claimed in claim 8 or 9, it is characterised in that farther include:
If judging, described condenser temperature does not continues to raise, then judge whether described condenser temperature is reduced to the second temperature threshold
Below；
In the case of judging that described condenser temperature is reduced to below the second preset temperature threshold value, stop sending described prompting and believe
Number；
Wherein, described second preset temperature threshold value is less than described first preset temperature threshold value.
11. methods as claimed in claim 8 or 9, it is characterised in that farther include:
After the operation stopping compressor, it is judged that whether described condenser temperature is reduced to below the second preset temperature threshold value；
In the case of judging that described condenser temperature is reduced to below the second preset temperature threshold value, restart compressor and carry out
Refrigeration；
Wherein, described second preset temperature threshold value is less than described first preset temperature threshold value.
12. methods as described in any one of claim 7-9, it is characterised in that judging that described condenser temperature reaches first
The mode sending alerting signal in the case of preset temperature threshold value includes: open refrigeration display lamp flicker, open buzzer warning,
In at least one display screen display word prompting；
And/or,
In the case of the operation stopping compressor, it is provided that fault-signal, it is provided that the mode of fault-signal includes: stop refrigeration and refer to
Show that lamp flicker, stopping buzzing being reported to the police, stopped display screen flicker and only show at least one word prompting.
13. 1 kinds of window air conditioners, including condenser, compressor and the device as described in any one of claim 1-6.
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