CN104180572B - Air conditioner and four-way valve starting value obtaining method and device - Google Patents
Air conditioner and four-way valve starting value obtaining method and device Download PDFInfo
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- CN104180572B CN104180572B CN201310205489.1A CN201310205489A CN104180572B CN 104180572 B CN104180572 B CN 104180572B CN 201310205489 A CN201310205489 A CN 201310205489A CN 104180572 B CN104180572 B CN 104180572B
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 118
- 239000003507 refrigerant Substances 0.000 claims abstract description 102
- 230000000977 initiatory effect Effects 0.000 claims description 99
- 238000004378 air conditioning Methods 0.000 claims description 63
- 238000001514 detection method Methods 0.000 claims description 44
- 239000011521 glass Substances 0.000 claims description 23
- 238000004891 communication Methods 0.000 claims description 21
- 230000007613 environmental effect Effects 0.000 claims description 20
- 230000006698 induction Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 6
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000386 microscopy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Abstract
The invention discloses a method for acquiring a starting value of a four-way valve, which comprises the following steps: 1) starting the compressor; 2) observing the state of a refrigerant at the inlet end of the four-way valve; 3) detecting the duration time and/or the working condition of the inlet end when the liquid refrigerant completely flows from the inlet end, and taking the duration time and/or the working condition as a starting value of the four-way valve; 4) and recording the starting value of the four-way valve. The method for acquiring the starting value of the four-way valve can effectively detect the duration time when the liquid refrigerant completely flows from the inlet end and/or the working condition of the inlet end, thereby recording the working condition of the inlet end or the duration time of the liquid refrigerant in the state so as to be directly applied to an air conditioner. The condition that a large amount of liquid refrigerants exist in the four-way valve and are damaged by liquid shock of the refrigerants is effectively avoided, and the service life of the four-way valve is prolonged. The invention also provides a device for acquiring the starting value of the four-way valve and an air conditioner with the starting value of the four-way valve.
Description
Technical field
The present invention relates to air conditioner technical field, more particularly to a kind of air-conditioning, the acquisition methods of cross valve initiation value and
Acquisition device.
Background technology
Cross valve is indispensable part in refrigeration plant, completes to freeze and cutting for heating by the commutation of cross valve
Change.
Through the analysis of checking of the cross valve fault part to being unable to normal commutation, it is found that there is a certain proportion of fault part is
Because of situations such as liquid hammer cause the bracket deformation of cross valve, obturating cup to turn up or toner screw and normal commutation can not be completed.
Refer to the structural representation that Fig. 1, Fig. 1 are a kind of air-conditioning of the prior art.
The D connection of cross valve 02 is connected with the exhaust outlet of compressor 01, and S adapter is connected with the air inlet of compressor, and C takes over
It is connected with off-premises station 03, E adapter is connected with indoor set 04, the cutting of completing to freeze and heat of being commutated by the main slide valve of cross valve
Change.Fig. 1 is the air conditioner structure under refrigeration mode, and when switching to heating mode, the main slide valve of cross valve 02 is moved to C adapter direction
Dynamic.There is certain middle flow in 02 interior design of cross valve, there is small leakage-gap.Direction is taken in main slide valve to C
In mobile process, it is to avoid the situation that main slide valve is shut E adapter and makes refrigerant flow into cross valve 02 occurs, and then avoids
Pressure in air-conditioning system is raised suddenly.
But, the leakage-gap of the much bigger and above-mentioned cross valve 02 of the ratio of viscosities gas of liquid cannot enter to liquid refrigerants
Row is adjusted.In the state of the exhaust outlet of compressor 01 is full of substantial amounts of liquid refrigerant in cross valve 02, compressor 01 starts
With the commutation of cross valve 02 while when carrying out, E adapter is shut by main slide valve, and now the liquid refrigerants in the valve pocket of cross valve 02 passes through
The flowing velocity of E adapter is zero so that refrigerant cannot be introduced into cross valve 02, and compressor 01 stops operating suddenly and (suppressed by liquid
Firmly), by the motional inertia of liquid refrigerants and the inertia effects of compressor moving component, very high pressure in air-conditioning system, occurs
Power, causes cross valve 02 to produce " liquid hammer " fault, makes the service life of cross valve 02 relatively low.
Therefore, how to avoid cross valve from starting full of in the state of liquid refrigerants inside which, improve the use of cross valve
Life-span, it has also become those skilled in the art's problem demanding prompt solution.
Content of the invention
In view of this, the invention provides a kind of acquisition methods of cross valve initiation value, answering by cross valve initiation value
With, it is to avoid cross valve starts full of in the state of liquid refrigerants inside which, improves the service life of cross valve.The present invention
Additionally providing a kind of acquisition device of cross valve initiation value and application has the air-conditioning of above-mentioned cross valve initiation value.
For achieving the above object, the present invention provides following technical scheme：
A kind of acquisition methods of cross valve initiation value, including step：
1) start compressor；
2) the refrigerant state of the entrance point of the cross valve is observed；
3) operating mode of duration and/or the entrance point of the liquid refrigerants by the entrance point stream when complete is detected, and is made
For cross valve initiation value；
4) the cross valve initiation value is recorded.
Preferably, in the acquisition methods of above-mentioned cross valve initiation value,
The step 4) it is specially：Environmental information is obtained, and the environmental information is recorded with the corresponding four-way
Valve initiation value.
Preferably, in the acquisition methods of above-mentioned cross valve initiation value,
The step 3) it is specially：Detect by compressor start to liquid refrigerants by the entrance point stream during lasting when complete
Between, and using the duration as the cross valve initiation value.
Preferably, in the acquisition methods of above-mentioned cross valve initiation value,
The step 3) it is specially：Pressure value of the liquid refrigerants by entrance point stream entrance point when complete is detected, and
Using the pressure value as the cross valve initiation value.
Preferably, in the acquisition methods of above-mentioned cross valve initiation value,
The step 3) it is specially：Temperature value of the liquid refrigerants by entrance point stream entrance point when complete is detected, and
Using the temperature value as the cross valve initiation value.
Present invention also offers a kind of acquisition device of cross valve initiation value, including：
For being arranged on the liquid detection means of the entrance point of cross valve；
Communicate to connect with the liquid detection means, for recording cross valve of the liquid refrigerants by the entrance point stream when complete
The logger of initiation value, duration and/or institute of the cross valve initiation value for liquid refrigerants by the entrance point stream when complete
State the operating mode of entrance point.
Preferably, in the acquisition device of above-mentioned cross valve initiation value, also include the environment measuring for obtaining environmental information
Device, the environmental detection set are connected with the recorder communication.
Preferably, in the acquisition device of above-mentioned cross valve initiation value, the liquid detection means is liquid-sighting glass；
The logger is duration of the record by compressor start to liquid refrigerants by the entrance point stream when complete
Time regulator.
Preferably, in the acquisition device of above-mentioned cross valve initiation value, the liquid detection means includes：Liquid-sighting glass and pressure
Induction installation, the pressure sensitive device are connected with the recorder communication；
The logger is the pressure recorder for recording pressure value of the liquid refrigerants when the entrance point stream of cross valve is complete.
Preferably, in the acquisition device of above-mentioned cross valve initiation value, the liquid detection means includes：Liquid-sighting glass and temperature
Induction installation, the temperature sensing device are connected with the recorder communication；
The logger is the temperature recorder for recording temperature value of the liquid refrigerants when the entrance point stream of cross valve is complete.
Preferably, in the acquisition device of above-mentioned cross valve initiation value, the liquid detection means includes：Liquid-sighting glass, pressure
Induction installation and temperature sensing device, three are connected with the recorder communication；
The logger be duration of the record by compressor start to liquid refrigerants by the entrance point stream when complete and
The composite record device of the liquid refrigerants pressure value of entrance point and temperature value when the entrance point stream of cross valve is complete.
Present invention also offers a kind of air-conditioning, including cross valve and the controller for controlling the cross valve to start, goes back
Including storing the logger of above-mentioned cross valve initiation value, the controller is connected with the recorder communication.
Preferably, in above-mentioned air-conditioning, the logger is time regulator.
Preferably, in above-mentioned air-conditioning, the liquid-sighting glass of the entrance point for also including to be arranged at the cross valve, the liquid-sighting glass with
The recorder communication connection.
Preferably, in above-mentioned air-conditioning, the pressure sensitive device of the entrance point for also including to be arranged at the cross valve, the pressure
Power induction installation is communicated to connect with the controller；
The logger is pressure recorder.
Preferably, in above-mentioned air-conditioning, the temperature sensing device of the entrance point for also including to be arranged at the cross valve, the temperature
Degree induction installation is communicated to connect with the controller；
The logger is temperature recorder.
Preferably, in above-mentioned air-conditioning, the liquid-sighting glass of the entrance point for also including to be arranged at the cross valve, pressure sensitive device
And temperature sensing device, the pressure sensitive device and the temperature sensing device are communicated to connect with the controller；
The logger is the work for recording duration and the entrance point of the liquid refrigerants by the entrance point stream when complete
The composite record device of condition.
It can be seen from above-mentioned technical scheme that, the acquisition methods of the cross valve initiation value that the present invention is provided, can be effective
Detect the operating mode of duration and/or entrance point of the liquid refrigerants by entrance point stream when complete, so as to by entering under the state
The mouth operating mode at end or the duration of liquid refrigerants are recorded, to directly apply in air-conditioning.In detection air-conditioning four
When port valve reaches cross valve initiation value, liquid refrigerants is complete by entrance point stream, then flow into cross valve refrigerant be gaseous refrigerant, this
When, open cross valve and make which that commutation is completed, effectively avoid in cross valve and there are a large amount of liquid refrigerants and receive refrigerant liquid hammer
The situation of damage, improves the service life of cross valve.
Present invention also offers a kind of acquisition device of cross valve initiation value and the air-conditioning with above-mentioned cross valve initiation value.
As the acquisition methods of above-mentioned cross valve initiation value have a effect above, the acquisition device of cross valve initiation value and with above-mentioned four
The air-conditioning of port valve initiation value also no longer should be introduced with same technique effect, here one by one.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for technology description is had to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of air-conditioning of the prior art；
Fig. 2 is the schematic flow sheet of the acquisition methods of cross valve initiation value provided in an embodiment of the present invention；
Fig. 3 is structural representation of the first specific embodiment of air-conditioning provided in an embodiment of the present invention under refrigerating state
Figure；
Fig. 4 is structural representation of the first specific embodiment of air-conditioning provided in an embodiment of the present invention under the state that heats
Figure；
Fig. 5 is structural representation of second specific embodiment of air-conditioning provided in an embodiment of the present invention under refrigerating state
Figure；
Fig. 6 is structural representation of second specific embodiment of air-conditioning provided in an embodiment of the present invention under the state that heats
Figure；
Fig. 7 is structural representation of the third specific embodiment of air-conditioning provided in an embodiment of the present invention under refrigerating state
Figure；
Fig. 8 is structural representation of the third specific embodiment of air-conditioning provided in an embodiment of the present invention under the state that heats
Figure；
Fig. 9 is the 4th kind of structural representation of the specific embodiment under refrigerating state of air-conditioning provided in an embodiment of the present invention
Figure；
Figure 10 is the 4th kind of structural representation of the specific embodiment under the state that heats of air-conditioning provided in an embodiment of the present invention
Figure.
Specific embodiment
The invention discloses a kind of acquisition methods of cross valve initiation value, by the application of cross valve initiation value, it is to avoid
Cross valve starts full of in the state of liquid refrigerants inside which, improves the service life of cross valve.Present invention also offers
A kind of acquisition device of cross valve initiation value and application have the air-conditioning of above-mentioned cross valve initiation value.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to the schematic flow sheet of the acquisition methods that Fig. 2, Fig. 2 are cross valve initiation value provided in an embodiment of the present invention.
As shown in Fig. 2 a kind of acquisition methods of cross valve initiation value are embodiments provided, including step：
S1：Start compressor；
Open the compressor of air-conditioning.
S2：The refrigerant state of the entrance point of observation cross valve；
Entrance point observation in cross valve flows into the state of the refrigerant of cross valve, as compressor is opened, flows into cross valve
Refrigerant be liquid refrigerants.
S3：The operating mode of detection duration and/or entrance point of the liquid refrigerants by entrance point stream when complete, and as cross valve
Initiation value；
Detection liquid refrigerants opened by compressor after to entrance point stream complete the passed through duration by cross valve, and/
Or, operating mode of the detection liquid refrigerants by entrance point stream entrance point when complete.And the operating mode of entrance point can be the pressure in entrance point
With one or all in temperature etc..And using the operating mode of duration or entrance point as cross valve initiation value.Wherein, cross valve
Initiation value can be in the operating mode of duration or entrance point of the liquid refrigerants by entrance point stream when complete, or holds
The total data of the operating mode of continuous time and entrance point.
S4：Record cross valve initiation value.
It should be noted that cross valve initiation value is the condition value of the required satisfaction when cross valve is started, that is, meet four
Just start-up operation is carried out to cross valve after port valve initiation value.
The acquisition methods of cross valve initiation value provided in an embodiment of the present invention, can effectively detect liquid refrigerants by entering
The operating mode of duration and/or entrance point when mouthful end has been flowed, so as to by the operating mode of the entrance point under the state or liquid refrigerants
Duration record, to directly apply in air-conditioning.Cross valve in detection air-conditioning reaches cross valve initiation value
When, liquid refrigerants is complete by entrance point stream, then to flow into the refrigerant of cross valve be gaseous refrigerant, and now, opening cross valve simultaneously makes which
Commutation is completed, is effectively avoided in cross valve and there are a large amount of liquid refrigerants and the situation of refrigerant liquid hazards is received, improve four
The service life of port valve.
Step S4 is specially：Environmental information is obtained, and environmental information is recorded with corresponding cross valve initiation value.Its
In, environmental information is to detect environmental information when obtaining cross valve, such as environment temperature and air conditioning condition etc., wherein, air conditioning condition
Including refrigeration mode and heating mode.By corresponding record cross valve initiation value and its environmental information, after being applied in air-conditioning,
According to the environment temperature of air-conditioning and air conditioning condition etc. as environmental information, corresponding cross valve initiation value is chosen, is improved further
The accuracy of cross valve initiation value.Can also start compressor when or start compressor before obtain environmental information, and with open
The cross valve initiation value corresponding record detected after dynamic compressor.
In the first embodiment, step S3 is specially：Detection is complete by entrance point stream by compressor start to liquid refrigerants
When duration, and using the duration as cross valve initiation value.Duration is applied to sky as cross valve initiation value
In tune, when the compressor of air-conditioning was opened and after the duration, cross valve starts to start and complete conversion.
In second embodiment, step S3 is specially：Detection liquid refrigerants is by the pressure of entrance point stream entrance point when complete
Value, and using pressure value as cross valve initiation value.As the pressure during flowing in the duct of liquid refrigerants and gaseous coolant is
Different, when the pressure value of the entrance point of the cross valve of air-conditioning reaches cross valve initiation value, i.e. the pressure of the entrance point of cross valve
Force value is equal to pressure value of the liquid refrigerants by entrance point stream entrance point when complete, and cross valve starts to start and complete conversion.
In the third embodiment, step S3 is specially：Detection liquid refrigerants is by the temperature of entrance point stream entrance point when complete
Value, and using temperature value as cross valve initiation value.As the temperature during flowing in the duct of liquid refrigerants and gaseous coolant is
Different, when the temperature value of the entrance point of the cross valve of air-conditioning reaches cross valve initiation value, i.e. the temperature of the entrance point of cross valve
Angle value is equal to temperature value of the liquid refrigerants by entrance point stream entrance point when complete, and cross valve starts to start and complete conversion.
In the 4th kind of embodiment, step S3 is specially：Detection duration of the liquid refrigerants by entrance point stream when complete and
The operating mode of entrance point, and as cross valve initiation value.Detection by compressor start to liquid refrigerants by entrance point stream holding when complete
The continuous time, liquid refrigerants by entrance point stream when complete the pressure value of entrance point and liquid refrigerants by the temperature of entrance point stream entrance point when complete
Angle value, and be applied in air-conditioning, when the condition of three is satisfied by, cross valve starts to start and complete conversion.Further keep away
The liquid hit phenomenon in cross valve transfer process is exempted from.
Can also be by the duration by compressor start to liquid refrigerants by entrance point stream when complete, liquid refrigerants by import
Any two kind conduct of the pressure value and liquid refrigerants of entrance point by entrance point stream when complete in the temperature value of entrance point when end has been flowed
Cross valve initiation value, and the effect above can be all reached, here is no longer introduced one by one.
The embodiment of the present invention additionally provides a kind of acquisition device of cross valve initiation value, including：For being arranged on cross valve
Entrance point liquid detection means；With liquid detection means communicate to connect, for record liquid refrigerants by entrance point stream complete when
Cross valve initiation value logger, cross valve initiation value is duration of the liquid refrigerants by entrance point stream when complete and/or to enter
The operating mode at mouth end.
By the acquisition device of cross valve initiation value provided in an embodiment of the present invention is applied in air-conditioning to be detected, survey
Go out the cross valve initiation value of the air-conditioning, and make the cross valve in air-conditioning that the commutation of cross valve when reaching cross valve initiation value, is completed,
Effectively avoid in cross valve and there are a large amount of liquid refrigerants and the situation of refrigerant liquid hazards is received, improve the use of cross valve
Life-span.
Further, also include the environmental detection set for obtaining environmental information, environmental detection set is led to logger
Letter connection.Can also be using the master control borad of air-conditioning to be measured and corresponding temperature-detecting device as environmental detection set, by air-conditioning
Direct detection goes out environmental information.
In the first embodiment, liquid detection means is liquid-sighting glass；Logger is for record by compressor start to liquid
The time regulator of duration of the refrigerant by entrance point stream when complete.Duration is gone out by liquid-sighting glass direct detection, is recorded in
In time regulator.
In second embodiment, liquid detection means includes：Liquid-sighting glass and pressure sensitive device, pressure sensitive device with
Recorder communication connects；Logger is the pressure for recording liquid refrigerants pressure value of entrance point when the entrance point stream of cross valve is complete
Logger.Wherein, liquid-sighting glass can be connected with recorder communication, so as to straight when the entrance point stream of cross valve is complete in liquid refrigerants
Connect the pressure value of record pressure sensitive device detection；Can also manual observation, by liquid-sighting glass detect liquid refrigerants in cross valve
Entrance point circulation state, when liquid refrigerants is complete in the entrance point stream of cross valve, artificial operating pressure induction installation ought
When pressure value pass to pressure recorder, complete record.
In the third embodiment, liquid detection means includes：It is arranged at liquid-sighting glass and the temperature of the entrance point of cross valve
Induction installation, temperature sensing device are connected with recorder communication；Logger is the entrance point stream for recording liquid refrigerants in cross valve
The temperature recorder of the temperature value of entrance point when complete.Wherein, liquid-sighting glass can be connected with recorder communication, so as in liquid refrigerants
The temperature value of directly record temperature sensing device detection when the entrance point stream of cross valve is complete；Can also manual observation, by regarding
Liquid microscopy surveys state of the liquid refrigerants in the entrance point circulation of cross valve, when liquid refrigerants is complete in the entrance point stream of cross valve,
Artificial operation temperature induction installation will pass to temperature recorder by temperature value at that time, complete record.
In the 4th kind of embodiment, liquid detection means includes：Liquid-sighting glass, pressure sensitive device and temperature sensing device,
Three is connected with recorder communication；Logger is to record by compressor start to liquid refrigerants by entrance point stream during lasting when complete
Between and the liquid refrigerants pressure value of entrance point and temperature value when the entrance point stream of cross valve is complete composite record device.
The embodiment of the present invention additionally provides a kind of air-conditioning, including cross valve and the controller for controlling cross valve to start,
Also include to store the logger of above-mentioned cross valve initiation value, controller is connected with recorder communication.
Air-conditioning provided in an embodiment of the present invention, its controller control pneumatic operated valve by the cross valve initiation value in logger
Start, impaired because of liquid hammer situation in cross valve commutation process is effectively avoided, improves the service life of cross valve.
As shown in Figure 3 and Figure 4, the logger in air-conditioning provided in an embodiment of the present invention is time regulator.That is cross valve
Initiation value be by compressor 1 start to liquid refrigerants flowed by entrance point D when duration.Air-conditioning is after the startup of compressor 1
Cross valve 2 is opened after the duration.
Further, the duration for recording in time regulator, that is, the varying environment corresponding duration was not for multiple
With by its environment temperature of detection of air-conditioning and operating mode, the selection corresponding duration is used as cross valve initiation value.
As the air-conditioning of same model has the prolongation of the use time of refrigerant in fine distinction and air-conditioning, cause by compressing
Machine 1 start to liquid refrigerants flowed by entrance point D when duration there is error with default cross valve initiation value.In order to keep away
Exempt from error, air-conditioning provided in an embodiment of the present invention also includes the liquid-sighting glass 3 of the entrance point D for being arranged at cross valve, liquid-sighting glass 3 and note
Record device communication connection.Detected by liquid-sighting glass 3, to continuing when being started and having been flowed by entrance point D to liquid refrigerants by compressor 1
When error between time and default cross valve initiation value is beyond predetermined value, school is carried out to the cross valve initiation value in logger
Just.
As shown in Figure 5 and Figure 6, air-conditioning provided in an embodiment of the present invention also includes the pressure of the entrance point D for being arranged at cross valve
Power induction installation 4, pressure sensitive device are communicated to connect with controller；Logger is pressure recorder.That is cross valve initiation value is
The pressure value of liquid refrigerants entrance point D when the entrance point D of cross valve has flowed, pressure sensitive device detect the entrance point of cross valve
The pressure of D, when which is equal to cross valve initiation value, controller control cross valve starts and completes commutation.
Further, the pressure value for recording in pressure recorder is multiple, i.e. the corresponding pressure value of varying environment is different, leads to
Its environment temperature of detection of air-conditioning and operating mode is crossed, and corresponding pressure value is chosen as cross valve initiation value.
As shown in Figure 7 and Figure 8, air-conditioning provided in an embodiment of the present invention also includes the temperature of the entrance point D for being arranged at cross valve
Degree induction installation 5, temperature sensing device are communicated to connect with controller；Logger is temperature recorder.That is cross valve initiation value is
The temperature value of liquid refrigerants entrance point D when the entrance point D of cross valve has flowed, temperature sensing device detect the entrance point of cross valve
The temperature of D, when which is equal to cross valve initiation value, controller control cross valve starts and completes commutation.
Further, the temperature value for recording in temperature recorder is multiple, i.e. the corresponding temperature value of varying environment is different, leads to
Its environment temperature of detection of air-conditioning and operating mode is crossed, and corresponding temperature value is chosen as cross valve initiation value.
As shown in Figure 9 and Figure 10, air-conditioning provided in an embodiment of the present invention also includes to be arranged at regarding for the entrance point D of cross valve
Liquid mirror, pressure sensitive device 4 and temperature sensing device 5, pressure sensitive device 4 and temperature sensing device 5 and controller communication link
Connect；Logger is the composite record device of the operating mode for recording duration and entrance point D when liquid refrigerants has been flowed by entrance point D.
Detect by compressor 1 start to liquid refrigerants flowed by entrance point D when duration, liquid refrigerants flowed by entrance point D when
Temperature value when having been flowed by entrance point D of pressure value and liquid refrigerants, and be applied in air-conditioning, when the condition of three is satisfied by
When, cross valve starts to start and complete conversion.Liquid hit phenomenon in cross valve transfer process is further avoided.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Multiple modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope for causing.
Claims (17)
1. a kind of acquisition methods of cross valve initiation value, it is characterised in that including step：
1) start compressor；
2) the refrigerant state of the entrance point of the cross valve is observed；
3) operating mode of duration and/or the entrance point of the liquid refrigerants by the entrance point stream when complete is detected, and as four
Port valve initiation value；
4) the cross valve initiation value is recorded.
2. acquisition methods of cross valve initiation value as claimed in claim 1, it is characterised in that the step 4) it is specially：Obtain
Environmental information is taken, and the environmental information is recorded with the corresponding cross valve initiation value.
3. acquisition methods of cross valve initiation value as claimed in claim 1 or 2, it is characterised in that
The step 3) it is specially：Duration of the detection by compressor start to liquid refrigerants by the entrance point stream when complete,
And using the duration as the cross valve initiation value.
4. acquisition methods of cross valve initiation value as claimed in claim 1 or 2, it is characterised in that
The step 3) it is specially：Detection liquid refrigerants by the pressure value of entrance point stream entrance point when complete, and by institute
Pressure value is stated as the cross valve initiation value.
5. acquisition methods of cross valve initiation value as claimed in claim 1 or 2, it is characterised in that
The step 3) it is specially：Detection liquid refrigerants by the temperature value of entrance point stream entrance point when complete, and by institute
Temperature value is stated as the cross valve initiation value.
6. a kind of acquisition device of cross valve initiation value, it is characterised in that include：
For being arranged on the liquid detection means of the entrance point of cross valve；
Communicate to connect with the liquid detection means, start for recording cross valve of the liquid refrigerants by the entrance point stream when complete
The logger of value, the cross valve initiation value be duration of the liquid refrigerants by the entrance point stream when complete and/or described enter
The operating mode at mouth end.
7. the acquisition device of cross valve initiation value as claimed in claim 6, it is characterised in that also include for obtaining environment letter
The environmental detection set of breath, the environmental detection set are connected with the recorder communication.
8. the acquisition device of cross valve initiation value as claimed in claims 6 or 7, it is characterised in that the liquid detection means
For liquid-sighting glass；
The logger is the time of duration of the record by compressor start to liquid refrigerants by the entrance point stream when complete
Logger.
9. the acquisition device of cross valve initiation value as claimed in claims 6 or 7, it is characterised in that the liquid detection means
Including：Liquid-sighting glass and pressure sensitive device, the pressure sensitive device are connected with the recorder communication；
The logger is the pressure recorder for recording pressure value of the liquid refrigerants when the entrance point stream of cross valve is complete.
10. the acquisition device of cross valve initiation value as claimed in claims 6 or 7, it is characterised in that the liquid detection means
Including：Liquid-sighting glass and temperature sensing device, the temperature sensing device are connected with the recorder communication；
The logger is the temperature recorder for recording temperature value of the liquid refrigerants when the entrance point stream of cross valve is complete.
The acquisition device of 11. cross valve initiation value as claimed in claims 6 or 7, it is characterised in that the liquid detection means
Including：Liquid-sighting glass, pressure sensitive device and temperature sensing device, three are connected with the recorder communication；
The logger is duration and liquid of the record by compressor start to liquid refrigerants by the entrance point stream when complete
The composite record device of the refrigerant pressure value of entrance point and temperature value when the entrance point stream of cross valve is complete.
A kind of 12. air-conditionings, including cross valve and the controller for controlling the cross valve to start, it is characterised in that also include
The logger of the cross valve initiation value in claim 1 is stored, the controller is connected with the recorder communication.
13. air-conditionings as claimed in claim 12, it is characterised in that the logger is time regulator.
14. air-conditionings as claimed in claim 12, it is characterised in that also include to be arranged at the cross valve entrance point regarding liquid
Mirror, the liquid-sighting glass are connected with the recorder communication.
15. air-conditionings as claimed in claim 12, it is characterised in that the pressure of the entrance point for also including to be arranged at the cross valve
Induction installation, the pressure sensitive device are communicated to connect with the controller；
The logger is pressure recorder.
16. air-conditionings as claimed in claim 12, it is characterised in that the temperature of the entrance point for also including to be arranged at the cross valve
Induction installation, the temperature sensing device are communicated to connect with the controller；
The logger is temperature recorder.
17. air-conditionings as claimed in claim 12, it is characterised in that also include to be arranged at the cross valve entrance point regarding liquid
Mirror, pressure sensitive device and temperature sensing device, the pressure sensitive device and the temperature sensing device and the controller
Communication connection；
The logger is the operating mode for recording duration and the entrance point of the liquid refrigerants by the entrance point stream when complete
Composite record device.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105841309A (en) * | 2016-05-16 | 2016-08-10 | 珠海格力电器股份有限公司 | Control method and control device of air conditioner outdoor unit and air conditioner outdoor unit |
| CN106225292A (en) * | 2016-07-27 | 2016-12-14 | 重庆美的通用制冷设备有限公司 | Net for air-source heat pump units system |
| CN110131914B (en) * | 2018-02-08 | 2021-07-20 | 浙江盾安机械有限公司 | Four-way valve and air conditioning system |
| CN108592464B (en) * | 2018-04-26 | 2020-01-07 | 珠海格力电器股份有限公司 | Reversing control method and device of four-way valve, heat pump system and controller of heat pump system |
| CN113790544A (en) * | 2021-08-30 | 2021-12-14 | 湖南高速铁路职业技术学院 | Self-repairing system for four-way valve in refrigeration operation of air conditioner |
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| EP0303952A2 (en) * | 1987-08-19 | 1989-02-22 | Honeywell Inc. | Method for controlling a refrigeration system and apparatus for implementing said method |
| JP2009144967A (en) * | 2007-12-13 | 2009-07-02 | Daikin Ind Ltd | Refrigerating device |
| CN101504236A (en) * | 2009-03-13 | 2009-08-12 | 宁波奥克斯电气有限公司 | Control method for four-way valve |
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| US3212527A (en) * | 1962-05-14 | 1965-10-19 | Peter M Hall | Control system for four-way reversing valve |
| JP5693121B2 (en) * | 2010-09-30 | 2015-04-01 | 三菱重工業株式会社 | Heat pump and its four-way switching valve switching method |
| CN202547208U (en) * | 2012-02-19 | 2012-11-21 | 周玉涛 | Improved installation structure of four-way valve |
| CN103017295B (en) * | 2012-12-05 | 2014-10-15 | 宁波奥克斯电气有限公司 | Refrigeration-to-heating mode starting method of multi-split air conditioner |
| CN203286819U (en) * | 2013-05-28 | 2013-11-13 | 珠海格力电器股份有限公司 | Air conditioner and four-way valve starting value acquisition device |
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| EP0303952A2 (en) * | 1987-08-19 | 1989-02-22 | Honeywell Inc. | Method for controlling a refrigeration system and apparatus for implementing said method |
| JP2009144967A (en) * | 2007-12-13 | 2009-07-02 | Daikin Ind Ltd | Refrigerating device |
| CN101504236A (en) * | 2009-03-13 | 2009-08-12 | 宁波奥克斯电气有限公司 | Control method for four-way valve |
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