CN100572983C - Air conditioner - Google Patents
Air conditioner Download PDFInfo
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- CN100572983C CN100572983C CNB200510054108XA CN200510054108A CN100572983C CN 100572983 C CN100572983 C CN 100572983C CN B200510054108X A CNB200510054108X A CN B200510054108XA CN 200510054108 A CN200510054108 A CN 200510054108A CN 100572983 C CN100572983 C CN 100572983C
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- pipe arrangement
- electronic expansion
- expansion valve
- air conditioner
- compressor
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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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/003—Filters
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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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/031—Sensor arrangements
- F25B2313/0314—Temperature sensors near the indoor heat exchanger
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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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/031—Sensor arrangements
- F25B2313/0315—Temperature sensors near the outdoor heat exchanger
Abstract
In the freezing loop of air conditioner in the past, remain in the problem of the compressor that the strong acid of organic acid in original pipe arrangement and inorganic acid etc. causes, or the deterioration thing of a large amount of wearing and tearing powder and refrigerator oil stops up the coarse filter that is provided with in freezing loop, so, clean original pipe arrangement by cleaning machine, remove foreign matter, then, the operation of new air conditioner is installed.There are very time-consuming and load before the end of job, problem that operating cost is also very high.Air conditioner of the present invention disposes a plurality of coarse filters in refrigerant loop, and connect compressor, cross valve, condenser, the 1st electronic expansion valve, liquid storage mechanism, the 2nd electronic expansion valve, liquid pipe arrangement, evaporimeter, gas pipe arrangement, and cross valve successively, constitute freezing loop, between above-mentioned the 2nd electronic expansion valve and liquid pipe arrangement, be configured to the dry type filter that foreign matter captures as purpose, catch the compressor abrasion powder and the oily foreign matters such as deterioration thing that remain in original pipe arrangement.
Description
Technical field
The present invention relates to a kind of air conditioner, even also can not clean the installation of original pipe arrangement ground under the condition of this air conditioner in foreign matters such as the deterioration thing of the wearing and tearing powder of a large amount of compressors, oil and strong acid remain in the inside and outside connecting pipings of air conditioner.
Background technology
The freezing loop of the 1st air conditioner in past has compressor, cross valve, condenser, the 1st electronic expansion valve, liquid storage mechanism, the 2nd electronic expansion valve, liquid pipe arrangement, evaporimeter, gas pipe arrangement, reaches the low-pressure side heat exchanger; constitute refrigerant loop; a plurality of coarse filters are set in this loop, and above-mentioned coarse filter uses 30～100 orders for the distribution capillary of protecting above-mentioned condenser-reboiler usually with the protection electronic expansion valve.
As do not have the fault of compressor to experience, and can move off-premises station, then move, thereby manage datum-plane or below it, old system cryogen is recovered to off-premises station by the pump brownout operation by making the refrigerator oil that remains in the prolongation pipe arrangement that utilizes again carry out cold air forcibly.Perhaps, in the occasion that has the fault experience, use special-purpose retracting device to reclaim old system cryogen, dismounting indoor and outdoor machine (for example with reference to patent documentation 1).
In addition, the freezing loop of the air conditioner in the 2nd past has compressor, cross valve, condenser, electronic expansion valve, liquid pipe arrangement, evaporimeter, gas pipe arrangement, reservoir, reaches the foreign matter storage mechanism of inclosure activated carbon and molecular sieve, is located at a plurality of coarse filters in the loop, similarly uses 30～100 orders (for example with reference to patent documentation 2) at above-mentioned coarse filter.
(patent documentation 1) TOHKEMY 2001-174091 (Fig. 1)
(patent documentation 2) TOHKEMY 2003-279199 (Fig. 1)
In the freezing loop of air conditioner in the past, remain in the problem of the compressor that the strong acid of organic acid in original pipe arrangement and inorganic acid etc. causes, or the foreign matter of a large amount of wearing and tearing powder and refrigerator oil stops up the coarse filter that is provided with in freezing loop, so, when compressor breaks down, use the cleaning machine of the special use of R22 etc. to clean original pipe arrangement by cleaning agent, remove foreign matter, then, the operation of new air conditioner is installed, but when compression is broken down, even dismantling easily under the installment state of older indoor set off-premises station, also need time and load about 3 hours before the end of job, have the very high problem of operating cost.
Summary of the invention
The present invention makes in order to solve such problem, and its purpose is to reclaim the compressor abrasion powder remain in original pipe arrangement and the foreign matter of oil etc. with good efficiency.
A kind of air conditioner of the present invention, possesses refrigerant loop, this refrigerant loop disposes compressor, cross valve, condenser, the 1st electronic expansion valve, liquid storage mechanism, the 2nd electronic expansion valve, liquid pipe arrangement, evaporimeter and gas pipe arrangement successively, it is characterized in that: in described refrigerant loop, possess dry type filter and charcoal filter that foreign matter is caught usefulness, this dry type filter deployment is between described the 2nd electronic expansion valve and described liquid pipe arrangement, and this charcoal filter is disposed between described liquid pipe arrangement and the described liquid storage mechanism.
A kind of air conditioner of the present invention, possesses refrigerant loop, this refrigerant loop disposes compressor successively, cross valve, condenser, the 1st electronic expansion valve, liquid storage mechanism, the 2nd electronic expansion valve, the liquid pipe arrangement, evaporimeter, and gas pipe arrangement, it is characterized in that: in described refrigerant loop, possess the dry type filter that foreign matter is caught usefulness, with magnetic valve and charcoal filter, this dry type filter deployment is between described the 2nd electronic expansion valve and described liquid pipe arrangement, and this magnetic valve and charcoal filter are disposed between described liquid pipe arrangement and the described liquid storage mechanism and connect successively.
A kind of air conditioner of the present invention, possesses refrigerant loop, this refrigerant loop disposes compressor successively, oil eliminator, cross valve, condenser, the 1st electronic expansion valve, liquid storage mechanism, the 2nd electronic expansion valve, the liquid pipe arrangement, evaporimeter, and gas pipe arrangement, it is characterized in that: in described refrigerant loop, possess dry type filter and oil return loop that foreign matter is caught usefulness, this dry type filter deployment is between described the 2nd electronic expansion valve and described liquid pipe arrangement, this oil return loop makes the oil that has been separated by the described oil eliminator that is arranged at the compressor discharge section get back to compressor and sucks part, connects magnetic valve and charcoal filter successively in described oil return loop.
A kind of air conditioner of the present invention, constitute by off-premises station, indoor set, gas pipe arrangement and liquid pipe arrangement, this off-premises station possesses compressor, cross valve, condenser, expansion cell, reaches liquid storage mechanism, this indoor set possesses evaporimeter, it is characterized in that: when on gas pipe arrangement of having established and liquid pipe arrangement, new off-premises station and indoor set being installed, according to described formation configuration.
Air conditioner of the present invention disposes a plurality of coarse filters in refrigerant loop, and connect compressor, cross valve, condenser, the 1st electronic expansion valve, liquid storage mechanism, the 2nd electronic expansion valve, liquid pipe arrangement, evaporimeter, gas pipe arrangement, and cross valve successively, constitute freezing loop, between above-mentioned the 2nd electronic expansion valve and liquid pipe arrangement, be configured to foreign matter and capture as the seizure charcoal filter that the dry type filter of purpose and organic acid, inorganic acid, chlorine grade.
In addition, air conditioner of the present invention disposes a plurality of coarse filters in refrigerant loop, and connect compressor, cross valve, condenser, the 1st electronic expansion valve, liquid storage mechanism, the 2nd electronic expansion valve, liquid pipe arrangement, evaporimeter, gas pipe arrangement, cross valve, and low-pressure side heat exchanger successively, constitute freezing loop, between above-mentioned the 2nd electronic expansion valve and liquid pipe arrangement, be configured to foreign matter and capture as the seizure charcoal filter that the dry type filter of purpose and organic acid, inorganic acid, chlorine grade.
Air conditioner of the present invention disposes a plurality of coarse filters in refrigerant loop, and connect compressor, cross valve, condenser, the 1st electronic expansion valve, liquid storage mechanism, the 2nd electronic expansion valve, liquid pipe arrangement, evaporimeter, gas pipe arrangement, and cross valve successively, constitute freezing loop, between above-mentioned the 2nd electronic expansion valve and liquid pipe arrangement, be configured to foreign matter and capture as the seizure charcoal filter that the dry type filter of purpose and organic acid, inorganic acid, chlorine grade; Therefore, a kind of air conditioner can be provided, this air conditioner need not clean original pipe arrangement, the coarse filter that the deterioration thing of the compressor problem that caused by strong acid and chlorine branch and wearing and tearing powder and refrigerator oil causes does not take place can install with stopping up, thereby can reduce time, load, expense when new equipment is installed.
In addition, air conditioner of the present invention disposes a plurality of coarse filters in refrigerant loop, and connect compressor, cross valve, condenser, the 1st electronic expansion valve, liquid storage mechanism, the 2nd electronic expansion valve, liquid pipe arrangement, evaporimeter, gas pipe arrangement, cross valve, and low-pressure side heat exchanger successively, constitute freezing loop, between above-mentioned the 2nd electronic expansion valve and liquid pipe arrangement, be configured to foreign matter and capture as the seizure charcoal filter that the dry type filter of purpose and organic acid, inorganic acid, chlorine grade; Therefore, the foreign matters such as cupric oxide that splash and take place when sweating heat interchanger and pipe arrangement that take place in the time of not only can preventing to make compressor, and can catch the deterioration thing etc. of the refrigerator oil that when long-time running, takes place, improve the reliability of air conditioner.
Description of drawings
Fig. 1 is the pie graph of refrigerant loop that the air conditioner of the invention process form 1 is shown.
Fig. 2 is the schematic cross-sectional views of dry type filter of refrigerant loop that is used for the air conditioner of the invention process form 1.
The control concept figure of each mechanism when Fig. 3 is the initial heating installation operation of the pressure of air conditioner of the invention process form 1.
The chart of the control threshold value of each circuit element of Fig. 4 during for the initial heating installation operation of the air conditioner of expression the invention process form 1.
The installation exercise figure of Fig. 5 when air conditioner of the present invention is installed.
Fig. 6 is the pie graph of refrigerant loop that the air conditioner of the invention process form 2 is shown.
The control concept figure of each mechanism when Fig. 7 is the initial heating installation operation of the pressure of air conditioner of the invention process form 2.
Fig. 8 is the pie graph of the refrigerant loop of the air conditioner of expression the invention process form 3.
The control concept figure of each mechanism when Fig. 9 is the initial heating installation operation of the pressure of air conditioner of the invention process form 3.
Figure 10 is the pie graph of the refrigerant loop of the air conditioner of expression the invention process form 4.
The control concept figure of each mechanism when Figure 11 is the initial heating installation operation of the pressure of air conditioner of the invention process form 4.
The specific embodiment
Form of implementation 1
Fig. 1 is the figure that the example that the refrigerant loop of the air conditioner of the invention process form 1 constitutes is shown.In the drawings, by compressor 1, cross valve 2, condenser the 3, the 1st electronic expansion valve 4, liquid storage mechanism the 5, the 2nd electronic expansion valve 6, liquid pipe arrangement 7, evaporimeter 8, gas pipe arrangement 9, and low-pressure side heat exchanger 10 constitute refrigerant loop.A plurality of coarse filters 11 are at above-mentioned condenser 3 and 4 configurations of the 1st electronic expansion valve the 1st coarse filter 11a, configuration the 2nd coarse filter 11b between liquid storage mechanism 5 and the 2nd electronic expansion valve 6, configuration the 3rd coarse filter 11c between gas pipe arrangement 9 and cross valve 2.
Wherein, be arranged in the above-mentioned loop each coarse filter 11 promptly the mesh of the 1st, the 2nd and the 3rd coarse filter 11a, 11b, 11c be generally 30～300 orders, the foreign matter of fibrous architecture body 12e such as the mineral wool in the dry type filter 12 and above-mentioned the 1st, the 2nd, the 3rd coarse filter 11a, 11b, 11c remove ability in order to catch the small foreign body that in the loop, circulates selected 150300 orders, for example preferably selected 200 orders.
Like this, filter capacity by making dry type filter 12 is than above-mentioned the 1st, the 2nd, the 3rd coarse filter 11a in the loop, the filter capacity height of 11b, 11c, thereby can catch above-mentioned the 1st, the 2nd, the 3rd coarse filter 11a that make in the loop, the big foreign matter more than or equal to 100 μ m that 11b, 11c stop up at dry type filter 12.
In above-mentioned dry type filter 12, for example as the flow direction A of cold-producing medium, make the direction of utilizing a plurality of open and close valve 12f, standing part valve 12h to flow flow into inboard such formation from the outside, do not flow out to constituting in the loop once more thereby form the foreign matter of once catching by dry type filter 12.
In addition, the sorbing material 12d such as activated alumina that are filled in the dry type filter 12 may adsorb the refrigerator oil additive, so the compressor and freeze machine oil 1000cc that for example preferably encloses the air conditioner of this invention relatively is controlled to be smaller or equal to 25g, for example about 10g.
In addition, 1 pair of check valve 13 that series connection relatively is provided with is located in the 1st bypass 14, the 1st bypass 14 is connected in 4 of above-mentioned the 1st coarse filter 11a and the 1st electronic expansion valves with an end, the other end is connected between the 2nd coarse filter 11b and the 2nd electronic expansion valve 6 and forms.
In addition, the 2nd bypass 15 that 13 on 1 pair of check valve, the other end that one end is connected in above-mentioned the 1st bypass 14 flow into above-mentioned liquid storage mechanism 5 sets gradually seizure that magnetic valve 16 and organic acid, inorganic acid, chlorine grades with charcoal filter 17, but, be preferably in 5 in above-mentioned charcoal filter 17 and liquid storage mechanism throttling devices 18 such as capillary are set at this charcoal filter 17 good efficiencies absorption strong acid and chlorine branch when having passed through liquid refrigerant.
In addition, at indoor set indoor inlet temperature sensor 19 and indoor blower 20 are set, at off-premises station outdoor inlet temperature sensor 21 and outdoor draft fan 22 are set, at liquid pipe arrangement 7 and 12 of dry type filters prevention valve 23 in hydraulic fluid side is set, gas side is set between gas pipe arrangement 9 and the 3rd coarse filter 11c stops valve 24.
The original pipe arrangement that uses at the freezing loop that fault has been taken place by compressor adheres to strong acid securely and chlorine grades, there is the possibility of peeling off during the long-play air conditioner, so, control the 1st electronic expansion valve 4 or the 2nd electronic expansion valve 6 and magnetic valve 16, every process certain hour is opened certain hour, for example opened about 30 minutes, make cold-producing medium pass through charcoal filter 17 every 1000 hours.
Remaining in compressor abrasion powder, the deterioration thing of refrigerator oil, strong acid, chlorine in the original pipe arrangement foreign matter that grades is dissolved in the cold-producing medium or with cold-producing medium and moves simultaneously, refrigerant amount in the primary tube when remaining in the generation problem is relevant, and foreign matter remains in liquid storage mechanism 5 sides in large quantities.For foreign matter is flowed out in the refrigerant loop, and, when initial operation, carry out the heating installation operation forcibly in order in air conditioner of the present invention, to catch by the dry type filter 12 of being located at 7 of the 2nd electronic expansion valve 6 and liquid pipe arrangements.
The control concept figure of each mechanism when Fig. 3 illustrates the initial heating installation operation of the pressure of air conditioner of the invention process form 1.As the method for carrying out the heating installation operation forcibly, for example monitor the operation of compressor/stop number of times by control section 25, when moving/stopping number of times and be 0, only be that the inlet temperature that will be taken into from the indoor inlet temperature sensor 19 that is arranged at indoor set is stored in the controlling organization, by inlet temperature being made as the temperature lower than design temperature, when pressing house remote control and move at first, must send to cross valve 2 with interior for example 10 minutes the instruction of heating installation operation with 30 minutes, must carry out the heating installation operation forcibly, when the heating installation trial run time finishes, automatically changing to the operation of setting when pressing house remote control.
Wherein, the compression of being monitored by control section 25 moves/stops number of times and can when the compressor operating cumulative time is 0, force the heating installation operation equally at first with the replacement of compressor operating cumulative time.About strong acid and chlorine branch, by sending the instruction that the 2nd electronic expansion valve 6 full cut-off magnetic valves 16 are opened from control section when the above-mentioned initial heating installation operation, thereby it is controlled by charcoal filter 17 ground.
In addition, by carry out initial heating installation trial run forcibly in the heat phase, though there is the worry that temperature rises and pressure rises of the discharge gas of compressor 1, but for example use indoor inlet temperature sensor 19 and outdoor inlet temperature sensor 21 to detect indoor temperature, outdoor temperature, the such indoor temperature of figure of the control threshold value of each circuit element when for example moving according to expression air conditioner initial stage heating installation shown in Figure 4, the threshold value of outdoor temperature, change the control method of each circuit element that reduces the temperature, pressure rising of discharging gas, change compressor 1 according to the indoor/outdoor temperature conditions, indoor blower 20, the control method of outdoor draft fan 22.
Wherein, illustrate at the threshold value table shown in above-mentioned Fig. 4.By indoor inlet temperature sensor 19 and indoor blower 20 detected detected temperatures for example indoor temperature smaller or equal to 25 ℃, outdoor temperature occasion smaller or equal to 30 ℃, compressor is controlled usually, indoor blower stops, and outdoor draft fan is controlled usually.In addition, more than or equal to 25 ℃, the outdoor temperature occasion smaller or equal to 30 ℃, compressor is controlled usually in indoor temperature, and indoor blower is minimum air quantity, and outdoor draft fan is middle air quantity.In addition, smaller or equal to 25 ℃, the outdoor temperature occasion more than or equal to 30 ℃, compressor is controlled usually in indoor temperature, and indoor blower is minimum air quantity, and outdoor draft fan stops.In addition, more than or equal to 25 ℃, the outdoor temperature occasion more than or equal to 30 ℃, compressor carries out the low-limit frequency operation in indoor temperature, and indoor blower is middle air quantity, and outdoor draft fan stops.
Above-mentioned indoor inlet temperature sensor 19 and indoor blower 20 are measured under the indoor temperature outdoor temperature condition when imagination is moved in advance by other a plurality of temperature sensors that are arranged at indoor set and off-premises station or pressure sensor (all not shown) becomes for which type of temperature, pressure state, by as threshold value input, thereby available said temperature sensor or above-mentioned pressure sensor substitute.
When this initial heating installation operation, because the more a spot of foreign matter that remains in gas pipe arrangement 9 is by indoor set, so, coarse filter 26 in the indoor distributor preferably is not set, or uses and can't help the thick coarse filter of ratio #50 that foreign matter stops up.
Below, the installation procedure of air conditioner of the present invention is described according to Fig. 5.At first, in the drawings, begin in step 1.In step 2, as do not have the fault experience and the off-premises station of compressor to move, then select to be.Then, in step 3, the closing liquid side stops valve 23, is recovered to the brownout operation of outdoor pusher side, makes old system cryogen in the old freezing loop be recovered to off-premises station, closes gas side and stops valve 24.
Below, in step 4, the operation of dismantle old indoor set off-premises station, new indoor set off-premises station being installed.After this, same with the air conditioner in past, in step 5, vacuumized 30 minutes, in step 6, open the hydraulic fluid side and stop valve 23, gas side to stop valve 24, append the filling cold-producing medium as required after, in step 7, try out, but force the heating installation operation in the present invention.At last, in step 8, transfer to remote control setting and move automatically, finish by step 9.
In addition, in Fig. 5,,, advance to not when the fault experience that has compressor, the occasion that can not carry out the operation of off-premises station in step 2.Then, in step 10, the occasion that breaks down at compressor, can not carry out brownout operation, the closing liquid side stops valve 23 and gas side to stop valve 24, uses special-purpose retracting device, reclaim old system cryogen in the old freezing loop after, at the old indoor set off-premises station of step 11 dismounting, be exchanged into new indoor set, off-premises station.After this, same with the air conditioner in past, vacuumizing with post processing of step 5 to step 9.
But, even in the trouble-free occasion of compressor,, then select to be in step 2 as stoping valve 23 and gas side to stop valve 24 in the closing liquid side, can shortening the time when carrying out the refrigerant-recovery operation, advance to step 3, carry out the refrigerant-recovery operation.
Form of implementation 2
Fig. 6 is the figure of an example of formation of refrigerant loop that the air conditioner of the invention process form 2 is shown.In the drawings, by compressor 1, cross valve 2, condenser the 3, the 1st electronic expansion valve 4, liquid storage mechanism the 5, the 2nd electronic expansion valve 6, liquid pipe arrangement 7, dry type filter 12, evaporimeter 8, gas pipe arrangement 9, and low-pressure side heat exchanger 10 constitute refrigerant loop.The 1st coarse filter 11a of a plurality of coarse filters 11 is configured in 4 of above-mentioned condenser 3 and the 1st electronic expansion valves, the 2nd coarse filter 11b is configured to 5 in the 1st electronic expansion valve 4 and liquid storage mechanism, the 3rd coarse filter 11c is configured to 6 of liquid storage mechanism 5 and the 2nd electronic expansion valves, and the 4th coarse filter 11d is configured to 2 of gas pipe arrangement 9 and cross valves.
In addition, at the oil eliminator 27 of the compressor discharge pipe 1a of 2 of compressor 1 and cross valves configuration towards compressor suction line 1b side, the oil return loop 28 of throttling devices 18 such as tandem ground configuration magnetic valve 16, charcoal filter 17, capillary successively is set, thereby can obtain and the same effect of above-mentioned form of implementation 1 described refrigerant loop, preferably and form of implementation 1 same, make magnetic valve 16 every process certain hours open certain hour, make it flow into charcoal filter 17.
Fig. 7 is to the control concept figure of the command content of each mechanism when the initial heating installation operation of air conditioner of expression the invention process form 2 is shown.As the method for carrying out the heating installation operation forcibly, for example monitor compressor starts/stop number of times by control section 25, when moving/stopping number of times and be 0, only be that the inlet temperature that will be taken into from the indoor inlet temperature sensor 19 that is arranged at indoor set is stored in the controlling organization, by making inlet temperature be made as the temperature lower than design temperature, when when pressing the house remote control (not shown) and move at first, sent to cross valve 2 with 30 minutes with interior for example 10 minutes the instruction of heating installation operation, make and to carry out the heating installation operation forcibly, when the heating installation trial run time finishes, automatically change to the operation of when pressing house remote control, setting.
Wherein, the compression of being monitored by control section 25 moves/stops number of times and can when the compressor operating cumulative time is 0, force the heating installation operation equally at first with the replacement of compressor operating cumulative time.About strong acid and chlorine branch, by sending the 2nd instruction that electronic expansion valve 6 is controlled usually, magnetic valve 16 is opened from control section 25 when the above-mentioned initial heating installation operation, thereby it is controlled by charcoal filter 17 ground.
Like this, same with form of implementation 1, by the judgement of outdoor inlet temperature, will send to compressor 1, cross valve 2, magnetic valve 14, indoor blower 20, outdoor draft fan 22 with the same operating instruction of above-mentioned form of implementation 1.
Form of implementation 3
Fig. 8 is the figure of an example of formation of refrigerant loop that the air conditioner of the invention process form 3 is shown.In the drawings, by compressor 1, cross valve 2, condenser 3, check valve bridge circuit the 29, the 1st expansion valve 4, liquid storage mechanism the 5, the 2nd electronic expansion valve 6, liquid pipe arrangement 7, evaporimeter 8, gas pipe arrangement 9, and low-pressure side heat exchanger 10 constitute refrigerant loop.The 1st coarse filter 11a in a plurality of coarse filters is configured between condenser 3 and the oil eliminator 27, the 2nd coarse filter 11b is configured between the 1st expansion valve 4 and the liquid storage mechanism 5, the 3rd coarse filter 11c is configured between liquid storage mechanism 5 and the 2nd electronic expansion valve 6, and the 4th coarse filter 11d is configured between gas pipe arrangement 9 and the cross valve 2.
Dispose magnetic valve 16, charcoal filter 17, throttling arrangement 18 successively by the 2nd bypass 30 at bypass the 1st electronic expansion valve 4, thereby can obtain and the same effect of form of implementation 1 described refrigerant loop, preferably same with above-mentioned form of implementation 1, make magnetic valve 16 every process certain hours open certain hour, make it flow into charcoal filter 17.
Fig. 9 during for the initial heating installation operation of expression the invention process form 3 air conditioners to the control concept figure of the command content of each mechanism.As the method for carrying out the heating installation operation forcibly, for example monitor compressor starts/stop number of times by control section 25, when moving/stopping number of times and be 0, only be that the inlet temperature that will be taken into from the indoor inlet temperature sensor 19 that is arranged at indoor set is stored in the controlling organization, by inlet temperature being made as the temperature lower than design temperature, when when pressing house remote control and move at first, sent to cross valve 2 with 30 minutes with interior for example 10 minutes the instruction of heating installation operation, carry out the heating installation operation forcibly, when the heating installation trial run time finishes, automatically change to the operation of when pressing house remote control, setting.
Wherein, the compression of being monitored by control section 25 moves/stops number of times and can when the compressor operating cumulative time is 0, force the heating installation operation equally at first with the replacement of compressor operating cumulative time.About strong acid and chlorine branch,, thereby it is controlled by charcoal filter 17 ground by the instruction of when above-mentioned initial heating installation moves, opening from control section 25 transmissions the 2nd electronic expansion valve 6 full cut-off magnetic valves 16.
In form of implementation 3 of the present invention, same with above-mentioned form of implementation 1, judgement by outdoor inlet temperature, to send to compressor 1, cross valve 2, magnetic valve 16, indoor blower 20, outdoor draft fan 22 with the same operating instruction of above-mentioned form of implementation 1, the full cut-off instruction is sent to the 1st electronic expansion valve 4, carry out initial heating installation operation.
Form of implementation 4
Figure 10 is the figure of an example of formation of refrigerant loop that the air conditioner of the invention process form 4 is shown.In the drawings, by compressor 1, cross valve 2, condenser the 3, the 1st electronic expansion valve 4, liquid pipe arrangement 7, evaporimeter 8, gas pipe arrangement 9, and reservoir 5a constitute refrigerant loop.A plurality of coarse filters 11 are configured between above-mentioned condenser 3 and the oil eliminator 27, between the 1st electronic expansion valve 4 and the liquid pipe arrangement 7, are configured between gas pipe arrangement 9 and the cross valve 2.Oil eliminator 27 is arranged between compressor 1 and the cross valve 2, and its outlet side 27a is connected in the pipe arrangement way of 1 on above-mentioned reservoir 5a and compressor.In addition, one end in the oil return loop 28 that will constitute by tandem ground configuration magnetic valve 16, charcoal filter 17, capillary 18 is connected in the outlet side 27a of above-mentioned oil eliminator 27, the other end is connected the pipe arrangement in the way of the reservoir 5a side coupling part 27b of above-mentioned oil eliminator 27 and compressor 1.
In the refrigerant loop of air conditioner of the present invention, can obtain the same effect of above-mentioned form of implementation 1 described refrigerant loop, same with above-mentioned form of implementation 1, whenever open magnetic valve 16 certain hours through certain hour, make it flow into charcoal filter 17.
Figure 11 during for the operation of the initial heating installation of expression to the control concept figure of the command content of each mechanism.As the method for carrying out the heating installation operation forcibly, for example monitor compressor operating/stop number of times by control section 25, when moving/stopping number of times and be 0, only be that the inlet temperature that will be taken into from the indoor inlet temperature sensor 19 that is arranged at indoor set is stored in the controlling organization, by inlet temperature being made as the temperature lower than design temperature, when pressing house remote control and move at first, sent to cross valve 2 with 30 minutes with interior for example 10 minutes the instruction of heating installation operation, must carry out the heating installation operation forcibly, when the heating installation trial run time finishes, automatically change to the operation of when pressing house remote control, setting.
Wherein, by the compressor operating of control section 25 monitoring/stop number of times can replacing, when the compressor operating cumulative time is 0, similarly force the heating installation operation at first with the compressor operating cumulative time.About strong acid and chlorine branch,, thereby it is controlled by charcoal filter 17 ground by the instruction of when above-mentioned initial heating installation moves, opening from control section 25 transmission magnetic valves 16.
In the refrigerant loop of air conditioner of the present invention, the judgement by outdoor inlet temperature similarly with above-mentioned form of implementation 1, operating instruction is sent to compressor 1, cross valve 2, magnetic valve 16, indoor blower 20, outdoor draft fan 22, carry out initial heating installation operation.
Claims (7)
1. an air conditioner possesses refrigerant loop, and this refrigerant loop disposes compressor, cross valve, condenser, the 1st electronic expansion valve, liquid storage mechanism, the 2nd electronic expansion valve, liquid pipe arrangement, evaporimeter and gas pipe arrangement successively, it is characterized in that:
In described refrigerant loop, possess foreign matter and catch the dry type filter and the charcoal filter of usefulness, this dry type filter deployment is between described the 2nd electronic expansion valve and described liquid pipe arrangement, and this charcoal filter is disposed between described liquid pipe arrangement and the described liquid storage mechanism.
2. an air conditioner possesses refrigerant loop, and this refrigerant loop disposes compressor, cross valve, condenser, the 1st electronic expansion valve, liquid storage mechanism, the 2nd electronic expansion valve, liquid pipe arrangement, evaporimeter and gas pipe arrangement successively, it is characterized in that:
In described refrigerant loop, possess foreign matter and catch dry type filter and the magnetic valve and the charcoal filter of usefulness, this dry type filter deployment is between described the 2nd electronic expansion valve and described liquid pipe arrangement, and this magnetic valve and charcoal filter are disposed between described liquid pipe arrangement and the described liquid storage mechanism and connect successively.
3. air conditioner, possesses refrigerant loop, this refrigerant loop disposes compressor, oil eliminator, cross valve, condenser, the 1st electronic expansion valve, liquid storage mechanism, the 2nd electronic expansion valve, liquid pipe arrangement, evaporimeter and gas pipe arrangement successively, it is characterized in that:
In described refrigerant loop, possess foreign matter and catch the dry type filter and the oil return loop of usefulness, this dry type filter deployment is between described the 2nd electronic expansion valve and described liquid pipe arrangement, this oil return loop makes the oil that has been separated by the described oil eliminator that is arranged at the compressor discharge section get back to compressor and sucks part
In described oil return loop, connect magnetic valve and charcoal filter successively.
4. according to claim 2 or 3 described air conditioners, it is characterized in that:
When initial launch, carry out the heating operation of the scheduled time, in initial heating operation process, open magnetic valve and make cold-producing medium flow through described charcoal filter.
5. according to each described air conditioner in the claim 1 to 3, it is characterized in that:
After the heating installation operation of whenever carrying out the scheduled time or cold air operation, make cold-producing medium flow through the described charcoal filter scheduled time.
6. air conditioner according to claim 4 is characterized in that:
After the heating installation operation of whenever carrying out the scheduled time or cold air operation, make cold-producing medium flow through the described charcoal filter scheduled time.
7. an air conditioner is made of off-premises station, indoor set, gas pipe arrangement and liquid pipe arrangement, and this off-premises station possesses compressor, cross valve, condenser, expansion cell, reaches liquid storage mechanism, and this indoor set possesses evaporimeter, it is characterized in that:
When on gas pipe arrangement of having established and liquid pipe arrangement, new off-premises station and indoor set being installed, according to each described formation configuration in the claim 1 to 6.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004062335A JP2005249336A (en) | 2004-03-05 | 2004-03-05 | Air-conditioner |
| JP2004062335 | 2004-03-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1664470A CN1664470A (en) | 2005-09-07 |
| CN100572983C true CN100572983C (en) | 2009-12-23 |
Family
ID=34431659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510054108XA Expired - Fee Related CN100572983C (en) | 2004-03-05 | 2005-03-04 | Air conditioner |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2005249336A (en) |
| CN (1) | CN100572983C (en) |
| GB (1) | GB2411712B (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5303106B2 (en) * | 2006-07-26 | 2013-10-02 | 日立アプライアンス株式会社 | Air conditioner and air conditioner construction method using existing refrigerant piping |
| JP2008202833A (en) * | 2007-02-19 | 2008-09-04 | Yanmar Co Ltd | Air conditioner comprising acid component removing filter in oil return line |
| JP4370478B2 (en) | 2007-03-28 | 2009-11-25 | 日立アプライアンス株式会社 | Refrigeration cycle equipment |
| US20100236283A1 (en) * | 2007-05-16 | 2010-09-23 | Carrier Corporation | Refrigerant Accumulator |
| JP2008309374A (en) * | 2007-06-13 | 2008-12-25 | Hitachi Appliances Inc | Air conditioner |
| JP2010002075A (en) * | 2008-06-18 | 2010-01-07 | Daikin Ind Ltd | Air conditioning device |
| JP5715752B2 (en) * | 2008-12-01 | 2015-05-13 | 日立アプライアンス株式会社 | Refrigeration cycle equipment |
| JP2010159896A (en) * | 2009-01-06 | 2010-07-22 | Fuji Electric Retail Systems Co Ltd | Refrigerant circuit device |
| JP5573296B2 (en) * | 2010-03-31 | 2014-08-20 | ダイキン工業株式会社 | Air conditioner |
| JP2011226729A (en) * | 2010-04-22 | 2011-11-10 | Panasonic Corp | Refrigerator |
| WO2012098582A1 (en) * | 2011-01-20 | 2012-07-26 | 三菱電機株式会社 | Refrigeration cycle apparatus |
| JP5658635B2 (en) * | 2011-08-29 | 2015-01-28 | 日立アプライアンス株式会社 | Air conditioner and air conditioner construction method using existing refrigerant piping |
| CN102384555B (en) * | 2011-11-30 | 2013-04-10 | 江苏永昇空调有限公司 | Full fresh air heat pump type constant temperature and constant humidity air conditioning system |
| JP2017133813A (en) * | 2016-01-29 | 2017-08-03 | ダイキン工業株式会社 | Freezer |
| CN111397080B (en) * | 2020-03-27 | 2021-07-16 | 广东美的制冷设备有限公司 | Oil return control method under high-temperature sterilization, air conditioner and computer storage medium |
| CN113654196B (en) * | 2021-07-15 | 2023-03-24 | 青岛海尔空调器有限总公司 | Method for controlling self-cleaning in indoor heat exchanger |
| CN113654191B (en) * | 2021-07-15 | 2023-04-21 | 青岛海尔空调器有限总公司 | In-pipe self-cleaning control method of outdoor heat exchanger |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1032228A (en) * | 1965-02-27 | 1966-06-08 | Parker Hannifin Corp | Improvements in or relating to filter dryer units for cleaning sealed refrigerating systems after motor burn outs |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB624965A (en) * | 1946-08-07 | 1949-06-20 | Gen Motors Corp | Improvements relating to compression refrigeration apparatus |
| GB1090139A (en) * | 1966-08-16 | 1967-11-08 | Hansa Metallwerke Ag | Refrigerant drier |
| JPH06123526A (en) * | 1992-10-13 | 1994-05-06 | Matsushita Refrig Co Ltd | Refrigerating device |
| JP2002038135A (en) * | 2000-07-27 | 2002-02-06 | Sanyo Electric Co Ltd | Refrigerant and freezing apparatus |
-
2004
- 2004-03-05 JP JP2004062335A patent/JP2005249336A/en active Pending
-
2005
- 2005-03-03 GB GB0504422A patent/GB2411712B/en not_active Expired - Fee Related
- 2005-03-04 CN CNB200510054108XA patent/CN100572983C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1032228A (en) * | 1965-02-27 | 1966-06-08 | Parker Hannifin Corp | Improvements in or relating to filter dryer units for cleaning sealed refrigerating systems after motor burn outs |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2411712A (en) | 2005-09-07 |
| CN1664470A (en) | 2005-09-07 |
| JP2005249336A (en) | 2005-09-15 |
| GB0504422D0 (en) | 2005-04-06 |
| GB2411712B (en) | 2007-07-25 |
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