CN109186155B - A kind of air-conditioner set by-passing valve closing control method and device - Google Patents
A kind of air-conditioner set by-passing valve closing control method and device Download PDFInfo
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- CN109186155B CN109186155B CN201811475896.3A CN201811475896A CN109186155B CN 109186155 B CN109186155 B CN 109186155B CN 201811475896 A CN201811475896 A CN 201811475896A CN 109186155 B CN109186155 B CN 109186155B
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000004590 computer program Methods 0.000 claims description 11
- 238000004378 air conditioning Methods 0.000 description 20
- 238000005057 refrigeration Methods 0.000 description 17
- 230000003111 delayed effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process 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
- 230000001052 transient effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/38—Failure diagnosis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
- F24F11/526—Indication arrangements, e.g. displays giving audible indications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/01—Timing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2501—Bypass valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
- F25B2700/1933—Suction pressures
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Thermal Sciences (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
Close control method, device, equipment and computer readable storage medium the invention discloses a kind of air-conditioner set by-passing valve, method include: when by-passing valve in the open state, acquire first pressure of inspiration(Pi) at compressor air suction end in real time；After by-passing valve is closed, after the first predetermined time period, the second pressure of inspiration(Pi) is acquired, judge the difference of the first pressure of inspiration(Pi) and the second pressure of inspiration(Pi) whether less than the first preset value, if so, determination by-passing valve is not closed completely；By-passing valve is controlled to open, after the second predetermined time period, control by-passing valve is closed, and returns to execution after the first predetermined time period, the step of acquiring the second pressure of inspiration(Pi), until the difference of the first pressure of inspiration(Pi) and the second pressure of inspiration(Pi) is more than or equal to the first preset value.Above-mentioned technical proposal disclosed in the present application can find that in time by-passing valve is not closed completely, and pass through control in time when by-passing valve is not closed completely and make its normal switching-off, to reduce the wasting of resources, avoid temperature from increasing as far as possible.
Description
Technical field
The present invention relates to air-conditioner set technical fields, close and control more specifically to a kind of air-conditioner set by-passing valve
Method, apparatus, equipment and computer readable storage medium.
Background technique
Air-conditioner set refrigeration system mainly includes compressor, condenser, throttling set, evaporator, bypass solenoid valve (abbreviation
By-passing valve), it specifically may refer to Fig. 1, it illustrates the schematic diagram of refrigerating of air-conditioner set refrigeration system.Wherein, compressor is used for
The refrigerant gas for sucking low temperature, sends out after compressing it into the refrigerant gas of high temperature and pressure；Condenser is sent into using pressure fan
Outside air cools down the refrigerant gas of high temperature and pressure, forms it into the high-pressure refrigeration liquid of room temperature；Throttling set utilizes
The small resistance tube of aisle spare, makes highly pressurised liquid become the liquid of low pressure；Evaporator is used to form the gas of low-temp low-pressure；Not
When needing fully to export cooling capacity, by opening by-passing valve to bypass some cooling capacity, to meet the accurate control to temperature.
In actual application, it when needing to increase the output cooling capacity of refrigeration system, then needs to close by-passing valve
It closes, to reduce the temperature in air-conditioner set application environment.But when being closed to by-passing valve, it is possible that be not closed completely
Situation, and this failure can not be found in time in the early stage, therefore, maintenance personal cannot then have found the failure and in time to it
It repairs, and the refrigerating capacity for carrying out will lead to refrigeration system that continues of this failure declines, and causes the waste of refrigeration resource, and
And it also will cause indoor environment temperature raising, degree of comfort decreased.
In conclusion how to find that by-passing valve is not closed completely this failure in time, and timely when by-passing valve is not closed completely
Control it so that by-passing valve can normal switching-off, be current those skilled in the art technical problem urgently to be resolved.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of air-conditioner set by-passing valve close control method, device, equipment and
Computer readable storage medium, to find that by-passing valve is not closed completely this failure in time, and it is timely when by-passing valve is not closed completely
It controls it, to enable by-passing valve normal switching-off.
To achieve the goals above, the invention provides the following technical scheme:
A kind of air-conditioner set by-passing valve closing control method, comprising:
When by-passing valve in the open state, in real time acquire compressor air suction end the first pressure of inspiration(Pi)；
After the by-passing valve is closed, the of the compressor air suction end after the first predetermined time period, is being acquired
Two pressures of inspiration(Pi), judge the difference of first pressure of inspiration(Pi) and second pressure of inspiration(Pi) whether less than the first preset value, if
It is, it is determined that the by-passing valve is not closed completely；
It controls the by-passing valve to open, be closed after the second predetermined time period, controlling the by-passing valve, and return
Described in executing the step of after the first predetermined time period, acquiring second pressure of inspiration(Pi) at the compressor air suction end, directly
Until the difference of first pressure of inspiration(Pi) and second pressure of inspiration(Pi) is more than or equal to first preset value.
Preferably, second pressure of inspiration(Pi) at the compressor air suction end is acquired, comprising:
Pressure of inspiration(Pi) of the compressor air suction end in third predetermined time period is acquired, judges that the pressure of inspiration(Pi) is
No maintenance is stablized, if so, using the pressure of inspiration(Pi) as second pressure of inspiration(Pi), if it is not, then executing the acquisition institute
The step of stating pressure of inspiration(Pi) of the compressor air suction end in third predetermined time period, until pressure of inspiration(Pi) maintenance stabilizes to
Only.
Preferably, judge whether the pressure of inspiration(Pi) remains stable, comprising:
Judge whether the difference of the pressure of inspiration(Pi) at arbitrary neighborhood two acquisition moment is less than or equal to the second preset value, if so,
Then determine that the pressure of inspiration(Pi) maintains to stablize.
Preferably, after determining that the by-passing valve is not closed completely, further includes:
Issue the alarm that the by-passing valve is not closed completely.
Preferably, the alarm that the by-passing valve is not closed completely is issued, comprising:
Issue voice alarm or buzzing alarming.
A kind of air-conditioner set by-passing valve shutoff control unit, comprising:
Acquisition module is used for: when by-passing valve in the open state, in real time acquire compressor air suction end the first pressure of inspiration(Pi)
Power；
Judgment module is used for: after the by-passing valve is closed, after the first predetermined time period, acquiring the pressure
Second pressure of inspiration(Pi) of contracting machine suction end, judges whether first pressure of inspiration(Pi) and the difference of second pressure of inspiration(Pi) are less than
First preset value, if so, determining that the by-passing valve is not closed completely；
Control module is used for: being controlled the by-passing valve and is opened, after the second predetermined time period, controls the side
Port valve is closed, and it is described in the second suction for after the first predetermined time period, acquiring the compressor air suction end to return to execution
The step of atmospheric pressure, presets until the difference of first pressure of inspiration(Pi) and second pressure of inspiration(Pi) is more than or equal to described first
Until value.
Preferably, the judgment module includes:
Judging unit is used for: being acquired pressure of inspiration(Pi) of the compressor air suction end in third predetermined time period, is judged
Whether the pressure of inspiration(Pi) remains stable, if so, using the pressure of inspiration(Pi) as second pressure of inspiration(Pi), if it is not, then
The step of executing pressure of inspiration(Pi) of the acquisition compressor air suction end in third predetermined time period, until the air-breathing
Until pressure maintains to stablize.
Preferably, the judging unit includes:
Judgment sub-unit is used for: judging whether the difference of the pressure of inspiration(Pi) at arbitrary neighborhood two acquisition moment is less than or equal to
Second preset value, if so, determining that the pressure of inspiration(Pi) maintains to stablize.
A kind of air-conditioner set by-passing valve closing control apparatus, comprising:
Memory, for storing computer program；
Processor realizes that air-conditioner set by-passing valve as described in any one of the above embodiments closes when for executing the computer program
The step of closing control method.
A kind of computer readable storage medium is stored with computer program on the computer readable storage medium, described
Realize that air-conditioner set by-passing valve as described in any one of the above embodiments closes the step of control method when computer program is executed by processor
Suddenly.
The present invention provides a kind of air-conditioner set by-passing valves to close control method, device, equipment and computer-readable storage
Medium, wherein this method comprises: working as by-passing valve in the open state, acquire first pressure of inspiration(Pi) at compressor air suction end in real time
Power；After by-passing valve is closed, after the first predetermined time period, second pressure of inspiration(Pi) at compressor air suction end is acquired, is sentenced
Whether the difference of disconnected first pressure of inspiration(Pi) and the second pressure of inspiration(Pi) is less than the first preset value, if so, determining that by-passing valve is closed not
Sternly；It controls by-passing valve to open, after the second predetermined time period, control by-passing valve is closed, and returns to execution by the
After one predetermined time period, the step of acquiring second pressure of inspiration(Pi) at compressor air suction end, until the first pressure of inspiration(Pi) and second
Until the difference of pressure of inspiration(Pi) is more than or equal to the first preset value.
Above-mentioned technical proposal disclosed in the present application, acquire in real time by-passing valve in the open state compressor air suction end the
One pressure of inspiration(Pi), and after by-passing valve closes the first predetermined time period, acquire second pressure of inspiration(Pi) at compressor air suction end, root
According to the difference of the first pressure of inspiration(Pi) and the second pressure of inspiration(Pi) whether less than the first preset value come judge by-passing valve close Yan Buyan, so as to
In that can find that by-passing valve is not closed completely this failure in time, when determining that by-passing valve is not closed completely, then by-passing valve opening is controlled,
And closed controlling by-passing valve after the second predetermined time period, then, returns to execute and passing through the first predetermined time period
Afterwards, the step of acquiring second pressure of inspiration(Pi) at compressor air suction end, until the difference of the first pressure of inspiration(Pi) and the second pressure of inspiration(Pi) is big
, i.e., can be until normal switching-off until by-passing valve until being equal to the second preset value, it can when by-passing valve is not closed completely with realization
To make its normal switching-off by control in time, to reduce the waste of refrigeration resource, and the raising of room temperature is avoided as far as possible,
To improve comfort level.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the schematic diagram of refrigerating of air-conditioner set refrigeration system；
Fig. 2 is the flow chart that a kind of air-conditioner set by-passing valve provided in an embodiment of the present invention closes control method；
Fig. 3 is the flow chart that air conditioning control device provided in an embodiment of the present invention controls by-passing valve；
Fig. 4 is a kind of structural schematic diagram of air-conditioner set by-passing valve shutoff control unit provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of air-conditioner set by-passing valve closing control apparatus provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 2 is referred to, it illustrates a kind of air-conditioner set by-passing valves provided in an embodiment of the present invention to close control method
Flow chart may include:
S11: when by-passing valve in the open state, in real time acquire compressor air suction end the first pressure of inspiration(Pi).
It should be noted that the executing subject of above-mentioned technical proposal provided by the embodiment of the present invention can be corresponding
A kind of air-conditioner set by-passing valve shutoff control unit that inventive embodiments provide, and the device can be set in air-conditioner set institute
In the air conditioning control device for including.Therefore, on the executing subject of above-mentioned technical proposal provided in an embodiment of the present invention may be
Air conditioning control device is stated, is illustrated by air conditioning control device of executing subject in the embodiment of the present application.
When by-passing valve is in the open state, when bypassing a part of cooling capacity, the pressure of inspiration(Pi) at compressor air suction end is basic
In stable state, at this point, air conditioning control device can acquire first pressure of inspiration(Pi) at compressor air suction end in real time.Wherein, it presses
The suction end of contracting machine is the suction side of compressor gas, is corresponded on Fig. 1, and as the gas of low-temp low-pressure will enter compression
At position inside machine.
S12: after by-passing valve is closed, after the first predetermined time period, the second of acquisition compressor air suction end inhales
Atmospheric pressure judges the difference of the first pressure of inspiration(Pi) and the second pressure of inspiration(Pi) whether less than the first preset value, if so, determining bypass
Valve is not closed completely.
When needing the refrigeration system of air-conditioner set fully to export cooling capacity, to reduce the temperature in air-conditioner set application environment
When, then air conditioning control device control by-passing valve is closed.In view of by-passing valve turn-off transient, the pressure of inspiration(Pi) meeting at compressor air suction end
It changes, therefore, in order to reduce influence brought by unstable pressure of inspiration(Pi), then closes the first preset time in by-passing valve
After length (i.e. after being delayed the first preset duration degree), air conditioning control device acquires second pressure of inspiration(Pi) at compressor air suction end.
Wherein, the second predetermined time period can be previously according to the work spy of by-passing valve used in the air-conditioner set refrigeration system itself
Property and set, or can be set previously according to result obtained by being tested the by-passing valve.
It, then can be by the first pressure of inspiration(Pi) after air conditioning control device collects second pressure of inspiration(Pi) at compressor air suction end
Power and the difference of the second pressure of inspiration(Pi) are compared with the first preset value, to judge that by-passing valve closes Yan Buyan, that is, judge by-passing valve
Whether normal switching-off, wherein the first preset value can previously according to air-conditioner set refrigeration system configuration parameter and set,
Or staff sets etc. in air conditioning control device previously according to experience.When the first pressure of inspiration(Pi) and the second air-breathing
When the difference of pressure is more than or equal to the first preset value, then show by-passing valve normal switching-off；When the first pressure of inspiration(Pi) and the second pressure of inspiration(Pi)
When the difference of power is less than the first preset value, it is determined that by-passing valve is not closed completely, so as to send out in time when by-passing valve is not closed completely
This existing failure.
Compared to the second pressure of inspiration(Pi) and preset parameter to be compared to to judge by-passing valve whether for normal switching-off, on
The method of stating can will be because of the difference of the difference of air-conditioner set individual (difference of such as coolant quantity), and/or air-conditioner set application environment
Caused by pressure of inspiration(Pi) difference take into account, be not closed completely the shadow of this breakdown judge with reducing above-mentioned difference to by-passing valve
Ring, the judgement occurred when to avoiding breakdown judge not in time or erroneous judgement situations such as, i.e., judgement can be improved in the above method
Accuracy and reliability.
S13: control by-passing valve is opened, and after the second predetermined time period, control by-passing valve is closed, and returns to execution
In the step of after the first predetermined time period, acquiring second pressure of inspiration(Pi) at compressor air suction end, until the first pressure of inspiration(Pi)
Until power and the difference of the second pressure of inspiration(Pi) are more than or equal to the first preset value.
When air conditioning control device determines that by-passing valve is not closed completely, then it can pass through duplicate opening and closing by-passing valve
Process makes by-passing valve normal switching-off.
Specifically, when the relationship between the difference and the first preset value according to the first pressure of inspiration(Pi) and the second pressure of inspiration(Pi)
When determining that by-passing valve is not closed completely, air conditioning control device then control by-passing valve opening, after the second predetermined time period (i.e.
It is delayed after the second predetermined time period), air conditioning control device controls by-passing valve and closes, and it is long to close the first preset time in by-passing valve
After degree (i.e. after being delayed the first preset duration degree), second pressure of inspiration(Pi) at compressor air suction end is acquired, and by the first pressure of inspiration(Pi)
Power and the difference of the second pressure of inspiration(Pi) are compared with the first preset value, to judge that by-passing valve closes Yan Buyan, if being not closed completely,
Air conditioning control device, which continues to control by-passing valve, to be opened, (second preset time that is delayed is long after the second predetermined time period
After degree), control by-passing valve is closed ... i.e., and air conditioning control device returns to execution after the first predetermined time period, acquires pressure
The step of second pressure of inspiration(Pi) of contracting machine suction end, until the difference of the first pressure of inspiration(Pi) and the second pressure of inspiration(Pi) is more than or equal to the
Until one preset value, i.e., until by-passing valve normal switching-off.Wherein, the second predetermined time period is generally 2 ~ 3s, effect
Be in order to prevent by-passing valve open and close between time it is too short and by-passing valve or entire refrigeration system are affected, i.e.,
Second predetermined time period that is delayed can play the effect for preventing bypass valve events too fast, certainly, when second to be delayed is default
Between length can also be adjusted according to configuration parameter, the working characteristics etc. of refrigeration system.
In order to carry out apparent, detailed description to the above process performed by air conditioning control device, then may refer to
Fig. 3, it illustrates the flow charts that air conditioning control device provided in an embodiment of the present invention controls by-passing valve.
Above-mentioned automatic detection process can find this failure in time when by-passing valve is not closed completely, and can be right in time
This failure is repaired, and so as to reduce the waste of refrigeration resource, and can avoid the raising of room temperature as far as possible.Separately
Outside, above-mentioned automatic detection, the process being automatically repaired can also reduce the on-line operation failure rate of air-conditioner set refrigeration system, thus
Air-conditioner set refrigeration system reliability of operation and stability are improved, but also can reduce and repair spent cost.
Above-mentioned technical proposal disclosed in the present application, acquire in real time by-passing valve in the open state compressor air suction end the
One pressure of inspiration(Pi), and after by-passing valve closes the first predetermined time period, acquire second pressure of inspiration(Pi) at compressor air suction end, root
According to the difference of the first pressure of inspiration(Pi) and the second pressure of inspiration(Pi) whether less than the first preset value come judge by-passing valve close Yan Buyan, so as to
In that can find that by-passing valve is not closed completely this failure in time, when determining that by-passing valve is not closed completely, then by-passing valve opening is controlled,
And closed controlling by-passing valve after the second predetermined time period, then, returns to execute and passing through the first predetermined time period
Afterwards, the step of acquiring second pressure of inspiration(Pi) at compressor air suction end, until the difference of the first pressure of inspiration(Pi) and the second pressure of inspiration(Pi) is big
, i.e., can be until normal switching-off until by-passing valve until being equal to the second preset value, it can when by-passing valve is not closed completely with realization
To make its normal switching-off by control in time, to reduce the waste of refrigeration resource, and the raising of room temperature is avoided as far as possible,
To improve comfort level.
A kind of air-conditioner set by-passing valve provided in an embodiment of the present invention closes control method, and the of acquisition compressor air suction end
Two pressures of inspiration(Pi) may include:
Pressure of inspiration(Pi) of the compressor air suction end in third predetermined time period is acquired, judges whether pressure of inspiration(Pi) remains steady
It is fixed, if so, using pressure of inspiration(Pi) as the second pressure of inspiration(Pi), if it is not, it is default in third then to execute acquisition compressor air suction end
The step of pressure of inspiration(Pi) in time span, until pressure of inspiration(Pi) maintains to stablize.
After the first predetermined time period, the second stable pressure of inspiration(Pi) is collected in order to more enough, to improve judgement
Accuracy, reduce the probability of erroneous judgement, then air conditioning control device can acquire compressor air suction end in third preset time in real time
Pressure of inspiration(Pi) in length, and whether the collected pressure of inspiration(Pi) of real-time judge institute remains stable: if the collected pressure of inspiration(Pi) of institute
Power maintains to stablize, then can use the collected pressure of inspiration(Pi) of institute as the second pressure of inspiration(Pi), to carry out with the first pressure of inspiration(Pi)
Compare to judge that by-passing valve closes Yan Buyan；If the collected pressure of inspiration(Pi) of institute does not remain stable, execution acquisition compression is returned
The step of pressure of inspiration(Pi) of the machine suction end in third preset time, that is, continue to acquire compressor air suction end pressure of inspiration(Pi) (with
The passage of time, pressure of inspiration(Pi) can tend towards stability), until pressure of inspiration(Pi) maintains to stablize, i.e., until pressure of inspiration(Pi) can be with
Until the second pressure of inspiration(Pi).Wherein, third predetermined time period is specifically as follows tens of microseconds etc..
A kind of air-conditioner set by-passing valve provided in an embodiment of the present invention closes control method, judges whether pressure of inspiration(Pi) maintains
Stablize, may include:
Judge whether the difference of the pressure of inspiration(Pi) at arbitrary neighborhood two acquisition moment is less than or equal to the second preset value, if so,
Then determine that pressure of inspiration(Pi) maintains to stablize.
When judging whether pressure of inspiration(Pi) collected maintains to stablize, judged especially by such as under type: judgement is appointed
Whether the difference of the collected pressure of inspiration(Pi) of two neighboring acquisition moment institute of anticipating is less than or equal to the second preset value, if less than or equal to the
Two preset values then show that pressure of inspiration(Pi) maintains to stablize, at this point, then can use the pressure of inspiration(Pi) as the second pressure of inspiration(Pi)；If
Greater than the second preset value, then show that pressure of inspiration(Pi) does not remain stable, at this point, then needing to return execution acquisition compressor air suction end
Pressure of inspiration(Pi) in third predetermined time period, until obtaining stable pressure of inspiration(Pi).Wherein, the second preset value can be with
It is configured previously according to the working characteristics or experience of by-passing valve itself.
A kind of air-conditioner set by-passing valve provided in an embodiment of the present invention closes control method, is determining that by-passing valve is not closed completely
Later, can also include:
Issue the alarm that by-passing valve is not closed completely.
When air conditioning control device determines that by-passing valve is not closed completely, air conditioning control device can issue by-passing valve and be not closed completely
Alarm, in order to play the role of prompting to staff, allow staff take appropriate measures in time come pair
By-passing valve is handled, and is not closed completely brought influence to reduce by-passing valve.
A kind of air-conditioner set by-passing valve provided in an embodiment of the present invention closes control method, issues what by-passing valve was not closed completely
Alarm may include:
Issue voice alarm or buzzing alarming.
When by-passing valve is not closed completely, the alarm that the by-passing valve that air conditioning control device is issued is not closed completely is specifically as follows
Voice alarm or buzzing alarming, to play the role of prompt to staff.
It is of course also possible to be the alarm of other forms, if sending out a warning.
The embodiment of the invention also provides a kind of air-conditioner set by-passing valve shutoff control units, refer to Fig. 4, it illustrates
A kind of structural schematic diagram of air-conditioner set by-passing valve shutoff control unit provided in an embodiment of the present invention may include:
Acquisition module 11, is used for: when by-passing valve in the open state, in real time acquire compressor air suction end the first air-breathing
Pressure；
Judgment module 12, is used for: after by-passing valve is closed, after the first predetermined time period, acquisition compressor is inhaled
Second pressure of inspiration(Pi) at gas end, judge the difference of the first pressure of inspiration(Pi) and the second pressure of inspiration(Pi) whether less than the first preset value, if
It is, it is determined that by-passing valve is not closed completely；
Control module 13, is used for: control by-passing valve is opened, and after the second predetermined time period, control by-passing valve is closed
It closes, and returns to execution the step of acquiring second pressure of inspiration(Pi) at compressor air suction end after the first predetermined time period, directly
Until the difference of the first pressure of inspiration(Pi) and the second pressure of inspiration(Pi) is more than or equal to the first preset value.
A kind of air-conditioner set by-passing valve shutoff control unit provided in an embodiment of the present invention, judgment module 12 may include:
Judging unit is used for: pressure of inspiration(Pi) of the acquisition compressor air suction end in third predetermined time period judges air-breathing
Whether pressure remains stable, if so, inhaling using pressure of inspiration(Pi) as the second pressure of inspiration(Pi) if it is not, then executing acquisition compressor
The step of pressure of inspiration(Pi) of the gas end in third predetermined time period, until pressure of inspiration(Pi) maintains to stablize.
A kind of air-conditioner set by-passing valve shutoff control unit provided in an embodiment of the present invention, judging unit may include:
Judgment sub-unit is used for: judging whether the difference of the pressure of inspiration(Pi) at arbitrary neighborhood two acquisition moment is less than or equal to
Second preset value, if so, determining that pressure of inspiration(Pi) maintains to stablize.
The embodiment of the invention also provides a kind of air-conditioner set by-passing valve closing control apparatus, refer to Fig. 5, it illustrates
A kind of structural schematic diagram of air-conditioner set by-passing valve closing control apparatus provided in an embodiment of the present invention may include:
Memory 21, for storing computer program；
Processor 22 realizes that any of the above-described kind of air-conditioner set by-passing valve closes control method when for executing computer program
The step of.
The embodiment of the invention also provides a kind of computer readable storage medium, it is stored on computer readable storage medium
Computer program realizes that any of the above-described kind of air-conditioner set by-passing valve closes control method when computer program is executed by processor
Step.
A kind of air-conditioner set by-passing valve shutoff control unit, equipment and computer-readable storage provided in an embodiment of the present invention
The explanation of relevant portion refers to a kind of air-conditioner set by-passing valve provided in an embodiment of the present invention and closes in control method in medium
The detailed description of corresponding part, details are not described herein.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the element that the process, method, article or equipment including a series of elements is intrinsic.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, article or equipment in there is also other identical elements.In addition, above-mentioned skill provided in an embodiment of the present invention
In art scheme with correspond to the consistent part of technical solution realization principle and unspecified in the prior art, in order to avoid excessively repeat.
The foregoing description of the disclosed embodiments can be realized those skilled in the art or using the present invention.To this
A variety of modifications of a little embodiments will be apparent for a person skilled in the art, and the general principles defined herein can
Without departing from the spirit or scope of the present invention, to realize in other embodiments.Therefore, the present invention will not be limited
It is formed on the embodiments shown herein, and is to fit to consistent with the principles and novel features disclosed in this article widest
Range.
Claims (10)
1. a kind of air-conditioner set by-passing valve closes control method characterized by comprising
When by-passing valve in the open state, in real time acquire compressor air suction end the first pressure of inspiration(Pi)；
After the by-passing valve is closed, inhaled in after the first predetermined time period, acquire the compressor air suction end second
Atmospheric pressure, judge the difference of first pressure of inspiration(Pi) and second pressure of inspiration(Pi) whether less than the first preset value, if so,
Determine that the by-passing valve is not closed completely；
It controls the by-passing valve to open, be closed after the second predetermined time period, controlling the by-passing valve, and return to execution
It is described the step of after the first predetermined time period, acquiring second pressure of inspiration(Pi) at the compressor air suction end, until institute
The difference of the first pressure of inspiration(Pi) and second pressure of inspiration(Pi) is stated more than or equal to until first preset value.
2. air-conditioner set by-passing valve according to claim 1 closes control method, which is characterized in that acquire the compressor
Second pressure of inspiration(Pi) of suction end, comprising:
Pressure of inspiration(Pi) of the compressor air suction end in third predetermined time period is acquired, judges whether the pressure of inspiration(Pi) is tieed up
It is fixed to keep steady, if so, using the pressure of inspiration(Pi) as second pressure of inspiration(Pi), if it is not, then executing the acquisition pressure
The step of pressure of inspiration(Pi) of the contracting machine suction end in third predetermined time period, until the pressure of inspiration(Pi) maintains to stablize.
3. air-conditioner set by-passing valve according to claim 2 closes control method, which is characterized in that judge the pressure of inspiration(Pi)
Whether power remains stable, comprising:
Judge whether the difference of the pressure of inspiration(Pi) at arbitrary neighborhood two acquisition moment is less than or equal to the second preset value, if so, really
The fixed pressure of inspiration(Pi) maintains to stablize.
4. air-conditioner set by-passing valve according to claim 1 closes control method, which is characterized in that determining the bypass
After valve is not closed completely, further includes:
Issue the alarm that the by-passing valve is not closed completely.
5. air-conditioner set by-passing valve according to claim 4 closes control method, which is characterized in that issue the by-passing valve
The alarm being not closed completely, comprising:
Issue voice alarm or buzzing alarming.
6. a kind of air-conditioner set by-passing valve shutoff control unit characterized by comprising
Acquisition module is used for: when by-passing valve in the open state, in real time acquire compressor air suction end the first pressure of inspiration(Pi)；
Judgment module is used for: after the by-passing valve is closed, after the first predetermined time period, acquiring the compressor
Whether the second pressure of inspiration(Pi) of suction end judges the difference of first pressure of inspiration(Pi) and second pressure of inspiration(Pi) less than first
Preset value, if so, determining that the by-passing valve is not closed completely；
Control module is used for: being controlled the by-passing valve and is opened, after the second predetermined time period, controls the by-passing valve
It closes, and it is described in the second pressure of inspiration(Pi) for after the first predetermined time period, acquiring the compressor air suction end to return to execution
The step of power, until the difference of first pressure of inspiration(Pi) and second pressure of inspiration(Pi) is more than or equal to first preset value and is
Only.
7. air-conditioner set by-passing valve shutoff control unit according to claim 6, which is characterized in that the judgment module packet
It includes:
Judging unit is used for: pressure of inspiration(Pi) of the compressor air suction end in third predetermined time period is acquired, described in judgement
Whether pressure of inspiration(Pi) remains stable, if so, using the pressure of inspiration(Pi) as second pressure of inspiration(Pi), if it is not, then executing
The step of pressure of inspiration(Pi) that the compressor air suction end is acquired in third predetermined time period, until the pressure of inspiration(Pi)
Until maintaining to stablize.
8. air-conditioner set by-passing valve shutoff control unit according to claim 7, which is characterized in that the judging unit packet
It includes:
Judgment sub-unit is used for: judging whether the difference of the pressure of inspiration(Pi) at arbitrary neighborhood two acquisition moment is less than or equal to second
Preset value, if so, determining that the pressure of inspiration(Pi) maintains to stablize.
9. a kind of air-conditioner set by-passing valve closing control apparatus characterized by comprising
Memory, for storing computer program；
Processor realizes that air-conditioner set described in any one of claim 1 to 5 such as bypasses when for executing the computer program
Valve closes the step of control method.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes such as air-conditioner set by-passing valve described in any one of claim 1 to 5 when the computer program is executed by processor
The step of closing control method.
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| CN201811475896.3A CN109186155B (en) | 2018-12-04 | 2018-12-04 | A kind of air-conditioner set by-passing valve closing control method and device |
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| CN201811475896.3A CN109186155B (en) | 2018-12-04 | 2018-12-04 | A kind of air-conditioner set by-passing valve closing control method and device |
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| CN109186155B true CN109186155B (en) | 2019-03-01 |
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| CN110219859B (en) * | 2019-06-30 | 2020-06-02 | 潍柴动力股份有限公司 | Fault detection method and device and hydraulic drive system |
| CN111122148B (en) * | 2019-12-17 | 2021-11-26 | 重庆南方数控设备股份有限公司 | Method for detecting blood by prejudging working state of electromagnetic valve based on hemorheometer |
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| AU7962594A (en) * | 1993-09-28 | 1995-04-18 | Jdm Ltd. | Apparatus for maximizing air conditioning and/or refrigeration system efficiency |
| JP2002106978A (en) * | 2000-10-03 | 2002-04-10 | Tgk Co Ltd | Refrigerating cycle with bypass conduit |
| CN201335582Y (en) * | 2009-01-05 | 2009-10-28 | 江苏新誉空调系统有限公司 | Track train air conditioner refrigerating system with pressure compensation function |
| CN202835970U (en) * | 2012-08-23 | 2013-03-27 | 重庆美的通用制冷设备有限公司 | Refrigerating system air suction adjusting device and hot pump unit and air conditioning |
| TWI583905B (en) * | 2016-02-17 | 2017-05-21 | De-Feng Xie | Freezing system and its pressure balance control device |
| CN106482405B (en) * | 2016-09-21 | 2019-01-01 | 珠海格力电器股份有限公司 | Air-cooled heat pump unit and control method, device and system thereof |
| CN206440441U (en) * | 2017-02-14 | 2017-08-25 | 沈阳金科精密仪器设备有限公司 | A kind of differential pressure type air leakage tester |
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Denomination of invention: Closing control method and device of air conditioning unit bypass valve Effective date of registration: 20191111 Granted publication date: 20190301 Pledgee: New United Group Co., Ltd. Pledgor: Xin Yu track traffic Science and Technology Ltd. Registration number: Y2019980000550 |
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Application publication date: 20190111 Assignee: Sou beautiful (Beijing) Technology Development Co., Ltd Assignor: Xin Yu track traffic Science and Technology Ltd. Contract record no.: X2020980000541 Denomination of invention: Closing control method and device of air conditioning unit bypass valve Granted publication date: 20190301 License type: Common License Record date: 20200309 |
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Denomination of invention: Closing control method and device of air conditioning unit bypass valve Effective date of registration: 20200310 Granted publication date: 20190301 Pledgee: XIN YU GROUP Co.,Ltd. Pledgor: NEW UNITED RAIL TRANSIT TECHNOLOGY Co.,Ltd. Registration number: Y2020980000582 |
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