CN101089521A - Air conditioner and its control method - Google Patents
Air conditioner and its control method Download PDFInfo
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- CN101089521A CN101089521A CN 200610086720 CN200610086720A CN101089521A CN 101089521 A CN101089521 A CN 101089521A CN 200610086720 CN200610086720 CN 200610086720 CN 200610086720 A CN200610086720 A CN 200610086720A CN 101089521 A CN101089521 A CN 101089521A
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Abstract
The present invention relates to a kind of air conditioner and its control method. Specially, it is a kind of air conditioner composed of compressor for compressing refrigerant, liquor storage device connected with inlet side of compressor and pressure balance unit connected with outlet side of compressor and connected with one side of liquor storage device. Besides, said invention also provides the concrete steps of its control method.
Description
Technical field
The present invention relates to a kind of air-conditioning and control method thereof, the pressure that particularly relates to the side that spues of a kind of suction one side that can promptly make described compressor when compressor start and described compressor is realized the air-conditioning and the control method thereof of restarting described compressor after the balance.
Background technology
Usually, air-conditioning is meant that heat exchange circulation system that utilization is made of compressor, freezing machine, rapid steamer, decompressor supplies the equipment of cold air or hot gas in building that described air-conditioning is installed or room, can be divided into split type and integral type substantially.
Described split type function with the integral type air-conditioning is identical, but split type is indoor heat exchanger (rapid steamer or freezing machine) is installed in indoor set and outdoor heat exchanger (freezing machine or rapid steamer) is installed with compressor and utilize the refrigerant comb to be connected two equipment that are separated from each other in off-premises station, and integral type is that compressor in the indoor heat exchanger and the decompressor in the outdoor heat exchanger are combined into one.
Described integral type air-conditioning, comprise direct suspension be installed in the window window air conditioner be installed in outdoor and utilize suction line and discharge pipe and indoor duct type air-conditioning that is connected etc.; And described split-type air conditioner comprises vertically installed vertical air conditioner and hangs the wall-hanging air conditioner that is installed in the metope.
In addition, described air-conditioning can also be divided into the greenhouse special air conditioner that only is used for greenhouse and the heat pump air conditioner of cooling-heating room dual-purpose.
And the also widely-used recently compound air conditioner that constitutes by the off-premises station more than at least one and a plurality of indoor set.
Aforesaid air-conditioning is when operation, at first in compressor, refrigerant is carried out condensation after compressing in freezing machine, in described rapid steamer, evaporate after then in described decompressor, obtaining expanding, be circulated to again in the described compressor by the reservoir of can the liquid towards refrigerant accumulating at last.
Described reservoir is used for collecting the liquid refrigerants that obtains evaporating to the mobile refrigerant of compressor from described rapid steamer described rapid steamer, and flow into that the liquid refrigerants in the refrigerant will remain in the reservoir in the described reservoir, and gaseous coolant will flow in the described compressor.
But as mentioned above structure based on the air-conditioning of prior art when starting described compressor, because suction one side of described compressor and the pressure gap that spues and exist between the side of described compressor might impact also and then cause the damage of compressor to the startup of described compressor.
In addition in order to solve described problem, when described compressor request starts for suction one side that solves described compressor and the pressure gap that spues and exist between the side of described compressor, need postpone to make the pressure of the side that spues of suction one side of described compressor and described compressor to realize balance to the startup of described compressor, thereby can't start compressor rapidly and and then reduce its trustworthiness.
This shows that described existing air-conditioning obviously still has inconvenience and defective, and demands urgently further being improved in product structure and use.In order to solve the problem that existing air-conditioning exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure can solve described problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of new air-conditioning and control method thereof, just become the current industry utmost point to need improved target.
Because the defective that described existing air-conditioning exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of new air-conditioning and control method thereof, can improve general existing air-conditioning, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
The objective of the invention is to, overcome the defective that existing air-conditioning exists, and provide a kind of novel air-conditioning and control method thereof, technical problem to be solved is that it is connected by suction one side to spue a side and the reservoir of described compressor when the compressor start, make the pressure of suction one side of described compressor and the side that spues realize rapidly starting described compressor after the balance, thereby preventing to improve the toggle speed of described compressor when described compressor is damaged, thereby be suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of air-conditioning that the present invention proposes, it comprises refrigerant is carried out compressor for compressing; The reservoir that is connected with suction one side of described compressor; The pressure compensation unit that connects spue a side and described reservoir one side of described compressor.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid air-conditioning, wherein when a plurality of described compressor was installed, described reservoir adopted the common reservoir that described a plurality of compressor is connected with same reservoir.
Aforesaid air-conditioning, wherein said pressure compensation unit comprises that the road is swum in the pressure balance of spue a side and described reservoir one side that connect described compressor; Be installed in the described pressure balance trip road and and swim the road valve according to the pressure balance that the instruction of control part is carried out switch to described pressure balance trip road.
Aforesaid air-conditioning, wherein said pressure balance trip road is connected with suction one side of described reservoir.
Aforesaid air-conditioning, wherein said control part is by controlling described pressure balance trip road valve, its side to spue a side and the described reservoir of described compressor when described compressor is in halted state is connected, and when described compressor is in running status not the side to spue a side and the described reservoir of described compressor be connected.
The object of the invention to solve the technical problems also realizes by the following technical solutions.According to a kind of air-conditioning that the present invention proposes, it comprises a plurality of compressors that refrigerant is compressed; Refrigerant after the described compression is carried out the freezing machine of condensation; The decompressor that described condensed refrigerant is expanded; The rapid steamer that refrigerant after the described expansion is evaporated; Be used for making the refrigerant of described rapid steamer to flow to common reservoir in described a plurality of compressor; A plurality of pressure balances trips road that suction one side of spue a side and the described common reservoir of described each compressor is connected; Described each pressure balance trip road is carried out the pressure balance trip road valve of switch.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid air-conditioning, wherein said air-conditioning also comprise by the trip road is switched, make the refrigerant that spues in the described compressor flow to the cross valve of described freezing machine.
The object of the invention to solve the technical problems also realizes in addition by the following technical solutions.According to a kind of air conditioning control method that the present invention proposes, it comprises the compressor start signal input phase of input compressor start signal; The pressure balance stage that after the enabling signal of the described compressor of input, suction one side of spue a side and the described reservoir of described compressor is connected; After the described pressure balance stage, block the connection between suction one side of spue a side and described reservoir of described compressor and start compressor start stage of described compressor.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid air conditioning control method, the wherein said pressure balance stage is carried out default time span.
By described technical scheme, air-conditioning of the present invention and control method thereof have following advantage at least:
Utilize structure as mentioned above air-conditioning, by connecting reservoir in suction one side of compressor and the pressure compensation unit that the side to spue a side and the described reservoir of described compressor is connected being installed, can before being driven, compressor make the pressure of suction one side of the spue routine pressure and the described compressor of described compressor realize balance, thereby need not to stop just also promptly to drive the described compressor that is in halted state at operating compressor, therefore in the trustworthiness that prevents from can also improve when described compressor from infringement taking place its operation.
Be suitable for air-conditioning of the present invention in addition when a plurality of described compressor is installed, by in described pressure compensation unit, using a side to spue a side and the described reservoir of described compressor to be connected and making described reservoir be connected to the common reservoir structure of a plurality of compressors simultaneously, the machine oil that spues in the described compressor can be uniformly distributed in described a plurality of compressor by described common reservoir, thereby avoid the damage of the described compressor that causes because of the deficiency of the inner machine oil of described compressor or because the problem of the air conditioning inefficiency that too much causes of the inner machine oil of described compressor takes place.
Be suitable for air-conditioning of the present invention in addition and before described compressor start, make an outstanding lateral pressure of described compressor and suction one lateral pressure of described compressor realize balance, thereby prevent that refrigerant takes place by the problem that described pressure compensation unit carries out adverse current when described compressor stops by utilizing described pressure compensation unit.
Being suitable for air-conditioning of the present invention in addition can preset the suction one lateral pressure realization balance time of giving prominence to a lateral pressure and described compressor that makes described compressor by described pressure compensation unit, thereby makes the logic control of described pressure compensation unit simpler.
In sum, the present invention relates to a kind of air-conditioning and control method thereof, especially a kind of by refrigerant is carried out compressor for compressing; The reservoir that is connected with suction one side of described compressor; The pressure compensation unit that connects spue a side and described reservoir one example of described compressor constitutes, when importing the start-up request signal of described compressor, at first utilize described pressure compensation unit to connect suction one side of spue a side and the described reservoir of described compressor, thereby promptly make the pressure of the side that spues of suction one side of described compressor and described compressor realize balance, make its pressure realize the air-conditioning and the control method thereof of restarting described compressor after the balance in the side that spues of suction one side of described compressor and described compressor.The present invention has described plurality of advantages and practical value, no matter it all has bigger improvement on product structure, control method or function, obvious improvement is arranged technically, and produced handy and practical effect, and more existing air-conditioning has the multinomial effect of enhancement, thereby being suitable for practicality more, and having the extensive value of industry, really is a new and innovative, progressive, practical new design.
Described explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for described and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is suitable for installation of air conditioners vertical view of the present invention;
Fig. 2 is the loop structure figure that is suitable for air-conditioning of the present invention;
Fig. 3 is the part control method precedence diagram that is suitable for air-conditioning of the present invention.
1: indoor heat exchanger 2: indoor set
4: refrigerant comb 6: off-premises station
12: outdoor heat exchanger 14: compressor
16: decompressor 18: decompressor
20: pressure compensation unit pressure balance in 22: the 1 trip road
Pressure balance in 24: the 1 trip road, pressure balance in 23: the 2 trip road valve
Pressure balance in 25: the 2 trip road valve 26: control part
27: 31: the 1 suction lines of timer
34: the 1 discharge pipes of 32: the 2 suction lines
Discharge pipe 36 in 35: the 2: distributor
40: common reservoir 42: bucket
44: 46: the 1 common reservoir discharge pipes of common reservoir suction line
47: the 2 common reservoir discharge pipes
The specific embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to air-conditioning and its specific embodiment of control method, structure, control method, step, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
Seeing also shown in Figure 1ly, is to be suitable for installation of air conditioners vertical view of the present invention, and Fig. 2 is the loop structure figure that is suitable for air-conditioning of the present invention, and Fig. 3 is the part control method precedence diagram that is suitable for air-conditioning of the present invention.
Please Fig. 1 to shown in Figure 3, being suitable for air-conditioning of the present invention is by a plurality of indoor sets 2 and the compound air conditioner that off-premises station 6 constitutes, being to carry out the described indoor set 2 of indoor installation of air conditioning and split-type air conditioner that described off-premises station 6 separates and utilizes refrigerant comb 4 to be connected with described indoor set 2 with described indoor set 2 at needs, is can be with the heat pump air conditioner of cold-room pattern and greenhouse mode operation.
In the described indoor set 2, the indoor heat exchanger 1 that is used between described room air and refrigerant carrying out heat exchange etc. is installed.
With the cold-room mode operation time, for thereby the temperature that reduces described room air is handled the described indoor cold-room that carries out, to flow into the liquid refrigerants of low-temp low-pressure in the described indoor heat exchanger 1, and the liquid refrigerants of the low-temp low-pressure of described inflow will obtain the heat that is comprised in the described room air and obtain evaporation, thereby play the effect of rapid steamer.
And with the greenhouse mode operation time, for thereby the temperature that promotes described room air is handled the described indoor greenhouse that carries out, to flow into other refrigerants of HTHP in the described indoor heat exchanger 1, and the gaseous coolant of the HTHP of described inflow will discharge the heat that is comprised and obtain condensation to described room air, thereby play the effect of freezing machine.
Described indoor heat exchanger 1 can be installed one with integral type, or is installed separately a plurality of.
In described off-premises station 6, comprise being used for the outdoor heat exchanger 12 of between the inner air of described off-premises station 6 and refrigerant, carrying out heat exchange; Gaseous coolant for to described indoor heat exchanger 1 or outdoor heat exchanger 12 supplying high temperature high pressure carries out compressor for compressing 14 to refrigerant; For liquid refrigerants to described indoor heat exchanger 1 or outdoor heat exchanger 12 supply low-temp low-pressures, the decompressor 16 that refrigerant is expanded; According to the cold-room/greenhouse operational mode of described air-conditioning, the cross valve 18 that the flow direction of refrigerant is switched; The pressure gap between the side of spuing of suction one side that can the described compressor 14 of balance when described compressor 14 starts and described compressor 14 achieves the pressure compensation unit 20 of uniform pressure.
With the cold-room mode operation time, for liquid refrigerants to described indoor heat exchanger 1 supply low-temp low-pressure, to flow into the gaseous coolant of HTHP in the described outdoor heat exchanger 12, and the gaseous coolant of the HTHP of described inflow will discharge the heat that is comprised to the air of described off-premises station 6 inside and obtain condensation, from playing the effect of freezing machine.
And with the greenhouse mode operation time, for gaseous coolant to described indoor heat exchanger 1 supplying high temperature high pressure, to flow into the liquid refrigerants of low-temp low-pressure in the described outdoor heat exchanger 12, and the liquid refrigerants of the low-temp low-pressure of described inflow just obtains the heat that is comprised in described off-premises station 6 inner airs and obtains evaporation, thereby plays the effect of rapid steamer.
Described outdoor heat exchanger 12 can be installed one with integral type, or is installed separately a plurality of.
Described compressor 14 can by dress one or more, and frequency-changeable compressor or the fixing constant speed compressor of compression volume that can regulate its compression volume can be installed.In the following embodiments, the situation that will be made of the 1st compressor 13 and the 2nd compressor 15 with described compressor 14 is that example describes.
The inside 14 of described compressor is used for filling in the machine oil that described compressor 14 is carried out skidding and cooling.And the machine oil that is filled to described compressor 14 inside will be spued with the gaseous coolant of the HTHP that spues from described compressor 14 to circulate to described compressor 14 outsides and with described refrigerant, therefore need consider the oil level that circulates with described refrigerant when filling machine oil.
In suction one side of described the 1st, the 2nd compressor 13,15, be connected with the gaseous coolant that is used to make high-temperature low-pressure and flow into the 1st, the 2nd suction line 31,32 in the 1st, the 2nd compressor 13,15.And, be connected with the 1st, the 2nd discharge pipe 34,35 that the gaseous coolant that is used to make the HTHP after obtaining compressing in the 1st, the 2nd compressor 13,15 spues in the side that spues of described the 1st, the 2nd compressor 13,15.
One end of described the 1st, the 2nd suction line 31,32 will be connected to suction one side of described the 1st, the 2nd compressor 13,15.
And the other end of described the 1st, the 2nd suction line 31,32 will be connected in the reservoir 40 of follow-up explanation, and feasible other refrigerants by the high-temperature low-pressure after the described reservoir 40 flow in described the 1st, the 2nd compressor 13,15.
Because liquid refrigerants might cause damage to compressor 14 when being inhaled into described compressor 14 inside, so before the refrigerant of the high-temperature low-pressure state that spues from described indoor heat exchanger 1 or outdoor heat exchanger 12 is sucked into described compressor 14, described reservoir 40 is being collected the liquid refrigerants that does not obtain evaporating in described indoor heat exchanger 1 or outdoor heat exchanger 12, thereby other refrigerants are flowed in the described compressor 14.
Described common reservoir 40 is included in the inner bucket 42 that forms the refrigerant accommodation space; The common reservoir that the refrigerant of the high-temperature low-pressure that will spue from described indoor heat exchanger 1 or outdoor heat exchanger 12 or machine oil guide to described bucket 42 inside sucks shop 44; The gaseous coolant of described bucket 42 inside and machine oil are guided to the 1st, the 2nd common reservoir discharge pipe 46,47 in described the 1st, 2 suction lines 31,32.
One end of described common reservoir suction line 44 is inserted into the inside of described bucket 42, and the other end is connected with described cross valve 18.
Described the 1st, the 2nd common reservoir discharge pipe 46, a part of 47 is inserted into the inside of described bucket 42, and the upper lateral part in the position that is inserted into described bucket 42 inboards will be formed for sucking the gaseous coolant inlet hole of the gaseous coolant in the described bucket 42, and the following side in the position that is inserted into described bucket 42 inboards will be formed for sucking the machine oil recovery holes of described bucket 42 inner engine oils.
One end of described the 1st, the 2nd discharge pipe 34,35 will be connected to the side that spues of described the 1st, the 2nd compressor 13,15.
And the other end of described the 1st, the 2nd discharge pipe 34,35 will be connected to the distributor (Distributor) 36 that the gaseous coolant that is used to make the HTHP that spues in described the 1st, the 2nd compressor 13,15 flocks together.
Especially in described the 1st, the 2nd discharge pipe 34,35, the gaseous coolant adverse current that is used to prevent the HTHP that spues from described the 1st, the 2nd compressor 13,15 the 1st, the 2nd check- valves 37,38 to described the 1st, the 2nd compressor is installed.
Carry out adjustable control for the degrees of expansion to refrigerant, described decompressor 16 can use electric expansion valve.
Described cross valve 18 comprises being connected with described distributor 36 and the gaseous coolant of the HTHP that spues in described the 1st, the 2nd compressor 13,15 being guided to the 1st cross valve trip road 18a in the described outdoor heat exchanger 12 with the cold-room mode operation time; Be connected with described distributor 36 and with the greenhouse mode operation time, its attitude refrigerant of the HTHP that spues in described the 1st, the 2nd compressor 13,15 guided to the 2nd cross valve trip road 18b in the described indoor heat exchanger 1.
Described in addition cross valve 18 also comprises being connected with common reservoir suction line 44 in the described common reservoir 40 and the refrigerant of the high-temperature low-pressure that spues in the described indoor heat exchanger 1 being guided to the 3rd cross valve trip road 18c in the described public reservoir 40 with the cold-room mode operation time; Be connected with common reservoir suction line 44 in the described common reservoir 40 and with the greenhouse mode operation time, the refrigerant of the high-temperature low-pressure that spues in the described outdoor heat exchanger 12 guided to the 4th cross valve trip road 18d in the described public reservoir 40.
Described pressure compensation unit 20 comprises the side and form the 1st, the 2nd pressure balance trip road 22,23 that connects between described common reservoir 40 1 sides of low pressure relatively of spuing that is used at described the 1st, the 2nd compressor 13,15 that relatively forms high pressure; Be installed in described the 1st, the 2nd pressure balance trip road 22,23, optionally described the 1st, the 2nd pressure balance trip road 22,23 carried out the 1st, the 2nd pressure balance trip road valve 24,25 of switch.
One end on described the 1st, the 2nd pressure balance trip road 22,23 and the side that spues of described the 1st, the 2nd compressor 13,15 connect, and promptly connect with described the 1st, the 2nd discharge pipe 34,35.
And described the 1st, the 2nd pressure balance trip road 22,23 the other end can with described common reservoir suction line 44 or described the 1st, the 2nd common reservoir discharge pipe 46,47 or described the 1st, the 2nd suction line 32,33 connect, and in order to make at described the 1st, the 2nd compressor 13, the machine oil that spues with refrigerant in 15 can be recycled in described the 1st, the 2nd compressor 13,15 equably by described common reservoir 40, is connected in described the 1st, the 2nd common reservoir suction line 44 and is advisable.
For can be according to described the 1st, the 2nd compressor 13, whether 15 driving waits the different and utilization that is suitable for running state of air conditioner of the present invention that air-conditioning is carried out electronically controlled control part 26 is carried out automatic switch, described the 1st, the 2nd pressure balance trip road valve 24,25 can adopt magnetic valve.
When described the 1st compressor 13 is in when out of service, described control part 26 makes described the 1st pressure balance trip road 22 be in open state by open described the 1st pressure balance trip road valve 24; And when described the 1st compressor 13 is moving, make described the 1st pressure balance trip road 22 be in closed condition by closing the 1st pressure balance trip road valve 24.
And when described the 2nd compressor 15 is in when out of service, described control part 26 makes described the 2nd pressure balance trip road 23 be in open state by open described the 2nd pressure balance trip road valve 25; And when described the 2nd compressor 15 is moving, make described the 2nd pressure balance trip road 23 be in closed condition by closing the 2nd pressure balance trip road valve 25.
Simultaneously in the described control part 26, also comprise in order to swim road valve 24 in described the 1st, the 2nd pressure balance, 25 when being in opening to described the 1st, the 2nd pressure balance trip road valve 24,25 open hour are controlled, at described the 1st, the 2nd pressure balance trip road valve 24,25 timer 2s 7 of the opening of described the 1st, the 2nd concora crush trip road valve 24,25 being held time and calculating when being in open state.
Be that described control part 26 can move described timer 27 at 24,25 o'clock simultaneously opening described the 1st, the 2nd pressure balance trip road valve, thereby the time that described the 1st, the 2nd pressure balance trip road valve 24,25 is in open state is controlled.
Need in described control part 26, preset the open state time of described the 1st, the 2nd pressure balance trip road valve 24,25 this moment.
Below, the operation of air conditioner mode suitable of the present invention of structure as mentioned above is described in detail.
When suitable air-conditioning of the present invention during with the cold-room mode operation shown in the A arrow among Fig. 2, by described the 1st, the 2nd compressor 13, refrigerant after the compressor in service 14 of at least more than one in 15 compresses will pass through described the 1st, the 2nd discharge pipe 34 successively, the discharge pipe 34 that is connected with described compressor 14 in service in 35,35 and cross valve 18, and flow in the described outdoor heat exchanger 12.
The refrigerant that flows to described outdoor heat exchanger 12 will be successively by described outdoor heat exchanger 12 and decompressor (not shown) and described indoor heat exchanger 1, and in this process, obtain after condensation, expansion, the evaporation, be circulated at least more than one the compressor in service 14 in described the 1st, the 2nd compressor 13,15 by described common reservoir 40.
On the contrary when suitable air-conditioning of the present invention during with the cold-room mode operation shown in the B arrow among Fig. 2, by described the 1st, the 2nd compressor 13, refrigerant after the compressor in service 14 of at least more than one in 15 compresses will pass through described the 1st, the 2nd discharge pipe 34 successively, the discharge pipe 34 that is connected with described compressor 14 in service in 35,35 and cross valve 18, and flow in the described indoor heat exchanger 1.
The refrigerant that flows to described indoor heat exchanger 1 will be successively by described indoor heat exchanger 1 and decompressor (not shown) and described outdoor heat exchanger 12, and in this process, obtain after condensation, expansion, the evaporation, be circulated at least more than one the compressor in service 14 in described the 1st, the 2nd compressor 13,15 by described common reservoir 40.
Carry out the load conditions such as preferred temperature in the space of air conditioning this moment as required, described the 1st, the 2nd compressor 13,15 will be driven or simultaneously to wherein some the driving.
That is, described the 1st, the 2nd compressor 13,15 will be driven simultaneously when described load is big.
At this moment, the refrigerant of described common reservoir 40 inside will be by described the 1st, the 2nd common reservoir discharge pipe 46,47 and described the 1st, the 2nd suction line 31,32 are sucked into described the 1st, the 2nd compressor 13, in 15 and obtain the compression, and the refrigerant after obtaining compressing in described the 1st, the 2nd compressor 13,15 will by described the 1st, the 2nd discharge pipe 34,35 flow in the described cross valve 18 and be gathered together after move in described indoor heat exchanger or the outdoor heat exchanger.
At this moment, in order to prevent described the 1st, the 2nd compressor 13, the refrigerant that spues in 15 is by described the 1st, the 2nd pressure balance trip road 22,23 adverse currents to the described common reservoir 40 or the refrigerant that flows in the described common reservoir 40 swim road (22 by described the 1st, the 2nd pressure balance, 23) flow into described the 1st, the 2nd discharge pipe 34, in 35, will close described the 1st, the 2nd pressure balance trip road valve 24, thereby 25 make described the 1st, the 2nd pressure balance trip road be in closed condition.
And at aforesaid the 1st, the 2nd compressor 13, under 15 all driven states, load when described load is reduced to a certain degree or described air-conditioning brings into operation hour has only some being driven in described the 1st, the 2nd compressor 13,15 and another is in halted state.Below for convenience of explanation, will be driven and state that described the 2nd compressor 15 is stopped is that example describes with described the 1st compressor 13.
For prevent to be in the refrigerant that spues in described the 1st compressor 13 of running status by described the 1st pressure balance trip road 22 adverse currents to described common reservoir 40 or the refrigerant that flows in the described common reservoir 40 flow in described the 1st discharge pipe 34 by described the 1st pressure balance trip road 22, make described the 1st pressure balance trip road 22 be in closed condition thereby will close described the 1st pressure balance trip road valve 24.
And, make described the 2nd pressure balance trip road 23 be in closed condition thereby will close described the 2nd pressure balance trip road valve 25 for the refrigerant that prevents to flow in the described common reservoir 40 flow in described the 2nd discharge pipe 35 by described the 2nd pressure balance trip road 23.
Some being driven in aforesaid the 1st, the 2nd compressor 13,15 and when described load increased to a certain degree under the state that another stops, described the 1st, the 2nd compressor 13,15 will be driven simultaneously.
Below, with in conjunction with the accompanying drawings 3 pairs be driven as the 1st compressor 13 as described in the present embodiment and as described under the state that stops of the 2nd compressor 15, the process that described the 2nd compressor 15 is activated describes.
When judging when need drive, input is used to ask the enabling signal (S2) of described the 2nd compressor 15 of the driving of described the 2nd compressor 15 to described the 2nd compressor 15.
After described the 2nd compressor 15 enabling signals of input, described control part 26 at first will keep the closed condition of described the 1st pressure balance trip road valve 24, then make described the 2nd pressure balance trip road 23 enter open state (S4) by open described the 2nd pressure balance trip road valve 25.
After described the 2nd pressure balance trip road 23 is opened, one side of spue a side and the described common reservoir 40 of described the 2nd compressor 15 will realize being communicated with by described the 2nd pressure balance trip road 23, thereby make the pressure of the side that spues of the pressure of suction one side of described the 2nd compressor 15 and described the 2nd compressor 15 realize balance.
In the process of the lateral pressure balance that spues of aforesaid suction one lateral pressure that makes described the 2nd compressor 15 and described the 2nd compressor 15, after described the 2nd balance trip road 23 is in open mode and passes through default a period of time (S6), described control part 26 is in the closed condition that keeps described the 1st pressure balance trip road valve 24, make described the 2nd pressure balance trip road 23 enter closed condition (S8) by closing described the 2nd pressure balance trip road valve 25 again, then described the 2nd compressor 15 is driven (S10).
This moment, described the 2nd compressor 15 was in the pressure balanced state of the side that spues of the pressure of suction one side of described the 2nd compressor 15 and described the 2nd compressor 15, therefore can realize quick startup.
And under described the 1st compressor 13 the 2nd compressor 15 driven states out of service and described, if to described the 1st compressor 13 input enabling signals, then will enter open state, thereby make the pressure of suction one side of described the 1st compressor 13 and the lateral pressure that spues of described the 1st compressor 13 obtain after the balance described the 1st compressor 13 being driven by described the 1st pressure balance of aforesaid mode trip road valve 24.
Be suitable for air-conditioning of the present invention and be not limited to the described embodiment that describes referring to figs. 1 to Fig. 3, go for installing the described compressor more than three or install in the air-conditioning of plural described reservoir, and not only go for can only air-conditioning with the operation of cold mode playback in, can also be applicable to the compound air conditioner that a plurality of described indoor sets or off-premises station are installed or be equipped with in the single entry air-conditioning of an indoor set and off-premises station.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the method that can utilize described announcement and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations, but every content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (9)
1, a kind of air-conditioning is characterized in that it comprises: refrigerant is carried out compressor for compressing; The reservoir that is connected with suction one side of described compressor; The pressure compensation unit that connects spue a side and described reservoir one side of described compressor.
2, air-conditioning according to claim 1 is characterized in that: when a plurality of described compressor was installed, described reservoir adopted the common reservoir that described a plurality of compressor is connected with same reservoir.
3, according to claim 1 or the described air-conditioning of claim 2, it is characterized in that wherein said pressure compensation unit, comprise the pressure balance trip road of spue a side and described reservoir one side that connect described compressor; Be installed in the described pressure balance trip road and and swim the road valve according to the pressure balance that the instruction of control part is carried out switch to described pressure balance trip road.
4, air-conditioning according to claim 3 is characterized in that wherein said pressure balance trip road is connected with suction one side of described reservoir.
5, air-conditioning according to claim 3, it is characterized in that wherein said control part is by controlling described pressure balance trip road valve, its side to spue a side and the described reservoir of described compressor when described compressor is in halted state is connected, and when described compressor is in running status not the side to spue a side and the described reservoir of described compressor be connected.
6, a kind of air-conditioning is characterized in that it comprises: a plurality of compressors that refrigerant is compressed; Refrigerant after the described compression is carried out the freezing machine of condensation; The decompressor that described condensed refrigerant is expanded; The rapid steamer that refrigerant after the described expansion is evaporated; Be used for making the refrigerant of described rapid steamer to flow to common reservoir in described a plurality of compressor; A plurality of pressure balances trips road that suction one side of spue a side and the described common reservoir of described each compressor is connected; Described each pressure balance trip road is carried out the pressure balance trip road valve of switch.
7, air-conditioning according to claim 6 is characterized in that wherein said air-conditioning also comprises by the trip road is switched, and makes the refrigerant that spues in the described compressor flow to the cross valve of described freezing machine.
8, a kind of air conditioning control method is characterized in that it comprises: the compressor start signal input phase of input compressor start signal; The pressure balance stage that after the enabling signal of the described compressor of input, suction one side of spue a side and the described reservoir of described compressor is connected; After the described pressure balance stage, block the connection between suction one side of spue a side and described reservoir of described compressor and start compressor start stage of described compressor.
9, air conditioning control method according to claim 8 is characterized in that the default time span of wherein said pressure balance stage execution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610086720 CN101089521A (en) | 2006-06-16 | 2006-06-16 | Air conditioner and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610086720 CN101089521A (en) | 2006-06-16 | 2006-06-16 | Air conditioner and its control method |
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| Publication Number | Publication Date |
|---|---|
| CN101089521A true CN101089521A (en) | 2007-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610086720 Pending CN101089521A (en) | 2006-06-16 | 2006-06-16 | Air conditioner and its control method |
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| CN (1) | CN101089521A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411288A (en) * | 2013-07-26 | 2013-11-27 | 宁波奥克斯空调有限公司 | Method for preventing tripping in heating start of air conditioner |
| CN106482303A (en) * | 2016-11-25 | 2017-03-08 | 广州华凌制冷设备有限公司 | A kind of air-conditioner and its refrigeration control method |
| CN114353361A (en) * | 2022-01-07 | 2022-04-15 | 青岛海尔空调电子有限公司 | Method and device for controlling refrigeration and freezing unit and refrigeration and freezing unit |
-
2006
- 2006-06-16 CN CN 200610086720 patent/CN101089521A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411288A (en) * | 2013-07-26 | 2013-11-27 | 宁波奥克斯空调有限公司 | Method for preventing tripping in heating start of air conditioner |
| CN106482303A (en) * | 2016-11-25 | 2017-03-08 | 广州华凌制冷设备有限公司 | A kind of air-conditioner and its refrigeration control method |
| CN114353361A (en) * | 2022-01-07 | 2022-04-15 | 青岛海尔空调电子有限公司 | Method and device for controlling refrigeration and freezing unit and refrigeration and freezing unit |
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