CN105627507B - Control method and device of four-way valve - Google Patents
Control method and device of four-way valve Download PDFInfo
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- CN105627507B CN105627507B CN201511000652.6A CN201511000652A CN105627507B CN 105627507 B CN105627507 B CN 105627507B CN 201511000652 A CN201511000652 A CN 201511000652A CN 105627507 B CN105627507 B CN 105627507B
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- way valve
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- 238000000034 method Methods 0.000 title claims abstract description 50
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 238000005057 refrigeration Methods 0.000 claims description 38
- 238000001514 detection method Methods 0.000 claims description 10
- 238000005086 pumping Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000004378 air conditioning Methods 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 17
- 230000000694 effects Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000002085 persistent effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- 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
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention discloses a control method and a control device of a four-way valve. Wherein, the method comprises the following steps: receiving a starting request for indicating an operation mode of an air conditioning unit, wherein the operation mode is a cooling mode or a heating mode; acquiring a current zone bit of a heat pump system to which a four-way valve belongs in an air conditioning unit, wherein the current zone bit is determined at least based on the historical working state of the four-way valve; and controlling the four-way valve to be in a first working state or a second working state according to the current zone bit and the starting request. The invention solves the technical problem of lower intelligent degree of reversing control of the four-way valve in the prior art.
Description
Technical field
The present invention relates to control fields, in particular to the control method and device of a kind of four-way valve.
Background technique
Four-way valve used in air-conditioner set (for example, cold and hot type air-conditioning) is commutated by pressure differential at present, guide
Valve electrified coil controls four-way valve events, if air-conditioner set is refrigeration mode, four-way valve is without powering on, if air-conditioner set switches
For heating mode, then the coil of four-way valve need to power on commutation, and liquid hammer damages four-way valve more serious in four-way valve commutation process.
Especially air-conditioner set is standby or stopping process in, four-way valve does not commutate generally, in this way, if air-conditioner set is switched on next time
Shi Jinhang pattern switching, air-conditioner set just carry out four-way valve commutation in start-up course, greatly may cause liquid hammer, substantially reduce four
The reliability of port valve.
For above-mentioned problem, currently no effective solution has been proposed.
Summary of the invention
The embodiment of the invention provides a kind of control method of four-way valve and devices, at least to solve in the prior art to four
The lower technical problem of the degree of intelligence of port valve commutation control.
According to an aspect of an embodiment of the present invention, a kind of control method of four-way valve is provided, comprising: receive for referring to
Show the power on request of the operational mode of air-conditioner set, wherein the operational mode is refrigeration mode or heating mode；Obtain four
The current mark bit of port valve heat pump system affiliated in the air-conditioner set, wherein the current mark bit is at least based on institute
The history working condition for stating four-way valve determines；According to the current mark bit and the power on request, control at the four-way valve
In the first working condition or the second working condition.
Further, when the power on request is heating power on request, according to the current mark bit and the booting
Request, controls that the four-way valve be in the first working condition or the second working condition includes: to detect the current mark bit to be
First flag bit or the second flag bit；If it is detected that when the current mark bit is first flag bit, described in control
Four-way valve is in second working condition, after controlling the four-way valve and being in second working condition, described in control
Compressor start in heat pump system, and after controlling the compressor start preset time, control the four-way valve and be in
First working condition；If it is detected that being controlled at the four-way valve when current mark bit is second flag bit
It controls the compressor after controlling the four-way valve and being in first working condition in first working condition and opens
It is dynamic.
Further, when the power on request is refrigeration power on request, according to the current mark bit and the booting
Request, controls that the four-way valve be in the first working condition or the second working condition includes: to detect the current mark bit to be
First flag bit or the second flag bit；If it is detected that controlling the four-way valve when current mark bit is the first flag bit
The heat pump system is controlled after controlling the four-way valve and being in second working condition in second working condition
Compressor start in system；If it is detected that controlling the four-way valve when current mark bit is the second flag bit and being in described
First working condition controls the compressor start after controlling the four-way valve and being in first working condition, and
After controlling the compressor start preset time, controls the four-way valve and be in second working condition.
Further, after controlling the four-way valve and being in first working condition, the compressor start is controlled
In the case where, the method also includes: it is to be updated to second flag bit by the current mark bit of the heat pump system.
Further, it after controlling the four-way valve and being in second working condition, controls in the heat pump system
Compressor start in the case where, the method also includes: be to be updated to described the by the current mark bit of the heat pump system
One flag bit.
Further, it after controlling the compressor start preset time, controls the four-way valve and is in first work
In the case where making state, the method also includes: it is to be updated to second mark by the current mark bit of the heat pump system
Position.
Further, it after controlling the compressor start preset time, controls the four-way valve and is in second work
In the case where making state, the method also includes: it is to be updated to first mark by the current mark bit of the heat pump system
Position.
According to another aspect of an embodiment of the present invention, a kind of control device of four-way valve is additionally provided, comprising: receive single
Member, for receiving the power on request for being used to indicate the operational mode of air-conditioner set, wherein the operational mode be refrigeration mode or
Person's heating mode；Acquiring unit, for obtaining the current mark bit of four-way valve heat pump system affiliated in the air-conditioner set,
Wherein, the current mark bit is at least determined based on the history working condition of the four-way valve；Control unit, for according to
Current mark bit and the power on request control the four-way valve and are in the first working condition or the second working condition.
Further, when the power on request is heating power on request, described control unit includes: the first detection mould
Block is the first flag bit or the second flag bit for detecting the current mark bit；First control module, for detecting
In the case that the current mark bit is first flag bit, then controls the four-way valve and is in second working condition,
After controlling the four-way valve and being in second working condition, the compressor start in the heat pump system is controlled, and
After controlling the compressor start preset time, controls the four-way valve and be in first working condition；Second control mould
Block, in the case where detecting the current mark bit is second flag bit, then controlling the four-way valve and being in institute
The first working condition is stated, after controlling the four-way valve and being in first working condition, controls the compressor start.
Further, when the power on request is refrigeration power on request, described control unit includes: the second detection mould
Block is the first flag bit or the second flag bit for detecting the current mark bit；Third control module, for detecting
In the case that the current mark bit is the first flag bit, controls the four-way valve and be in second working condition, controlling
The four-way valve is in after second working condition, controls the compressor start in the heat pump system；4th control mould
Block is in described first in the case where detecting the current mark bit is the second flag bit, controlling the four-way valve
Working condition controls the compressor start, and controlling after controlling the four-way valve and being in first working condition
After making the compressor start preset time, controls the four-way valve and be in second working condition.
Further, described device further include: the first updating unit, for controlling the four-way valve in described first
After working condition, in the case where controlling the compressor start, by the current mark bit of the heat pump system to be updated to
State the second flag bit.
Further, described device further include: the second updating unit, for controlling the four-way valve in described second
After working condition, in the case where controlling the compressor start in the heat pump system, by the current flag of the heat pump system
Position is to be updated to first flag bit.
Further, described device further include: third updating unit, for controlling the compressor start preset time
Afterwards, it controls in the case that the four-way valve is in first working condition, is more by the current mark bit of the heat pump system
It is newly second flag bit.
Further, described device further include: the 4th updating unit, for controlling the compressor start preset time
Afterwards, it controls in the case that the four-way valve is in second working condition, is more by the current mark bit of the heat pump system
It is newly first flag bit.
In embodiments of the present invention, the power on request of the operational mode of air-conditioner set is used to indicate using reception, wherein institute
Stating operational mode is refrigeration mode or heating mode；Obtain working as four-way valve heat pump system affiliated in the air-conditioner set
Preceding flag bit, wherein the current mark bit is at least determined based on the history working condition of the four-way valve；And according to described
Current mark bit and the power on request control the side that the four-way valve is in the first working condition or the second working condition
Formula, by determined jointly according to flag bit relevant to the history working condition of four-way valve and power on request four-way valve whether needs
It commutates (that is, the four-way valve is in the first working condition also the second working condition), avoids air-conditioner set and open in all cases
It commutates simultaneously during dynamic with four-way valve and easily leads to the risk of liquid hammer, achieved the purpose that improve four-way valve functional reliability,
To realize the technical effect for the degree of intelligence for improving four-way valve commutation control, and then solve in the prior art to four-way valve
The lower technical problem of the degree of intelligence of commutation control.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of flow chart of the control method of four-way valve according to an embodiment of the present invention；
Fig. 2 is the flow chart of the control method of another optional four-way valve according to an embodiment of the present invention；
Fig. 3 is the flow chart of the control method of another optional four-way valve according to an embodiment of the present invention；And
Fig. 4 is a kind of schematic diagram of the control device of four-way valve according to an embodiment of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
According to embodiments of the present invention, a kind of embodiment of the method for the control method of four-way valve is provided, it should be noted that
Step shown in the flowchart of the accompanying drawings can execute in a computer system such as a set of computer executable instructions, and
It, in some cases, can be to be different from sequence execution institute herein and although logical order is shown in flow charts
The step of showing or describing.
Fig. 1 is a kind of flow chart of the control method of four-way valve according to an embodiment of the present invention, as shown in Figure 1, this method
Include the following steps:
Step S102 receives the power on request for being used to indicate the operational mode of air-conditioner set, wherein operational mode is refrigeration
Mode or heating mode.
Specifically, power on request can be received by the mainboard of air-conditioner set.Power on request can there are two types of, respectively be heating
Power on request and refrigeration power on request.When power on request is heating power on request, operational mode is heating mode；When booting is asked
Ask for refrigeration power on request when, operational mode is refrigeration mode.
Air-conditioner set in the embodiment of the present invention can be cold and hot type air-conditioning, and user can issue heating booting according to demand
Request or refrigeration power on request.
Step S104 obtains the current mark bit of four-way valve heat pump system affiliated in air-conditioner set, wherein current mark
Will position is at least determined based on the history working condition of four-way valve.
Specifically, record has the current mark bit of heat pump system in mainboard, and then can obtain the four-way valve from mainboard and exist
The current mark bit of heat pump system belonging in air-conditioner set.
Heat pump system is when receiving heating power on request, for heating；When receiving refrigeration power on request, for making
It is cold.It wherein, include a four-way valve and a compressor in a heat pump system.
The history working condition of four-way valve can be divided into the first working condition and the second working condition hereinafter, wherein
When first working condition powers on for four-way valve working condition (that is, when heat pump system is in refrigeration mode, the work shape of four-way valve
State), and working condition when the second working condition is four-way valve power down (that is, when heat pump system is in heating mode, the work of four-way valve
Make state) or four-way valve when not powering on working condition (that is, when heat pump system is in heating mode, the work shape of four-way valve
State).
Preferably, the flag bit of each heat pump system is also related to the starting state of compressor in the heat pump system.
Step S106 controls four-way valve and is in the first working condition or second according to current mark bit and power on request
Working condition.
Specifically, four-way valve can be controlled by mainboard and is in the first working condition or the second working condition.
It can be seen from the above content that it is the working condition when four-way valve powers on that four-way valve, which is in the first working condition,；Four
Port valve is in when the second working condition is the four-way valve power down or working condition when not powering on.
In embodiments of the present invention, by according to flag bit relevant to the history working condition of four-way valve and power on request
It is common to determine whether four-way valve needs to commutate (that is, the four-way valve is in the first working condition also the second working condition), it avoids
Air-conditioner set commutates in start-up course simultaneously with four-way valve easily lead to the risk of liquid hammer in all cases, has reached raising four
The purpose of port valve functional reliability to realize the technical effect for improving the degree of intelligence of four-way valve commutation control, and then solves
It has determined technical problem lower to the degree of intelligence of four-way valve commutation control in the prior art.
Since an air-conditioner set may include a heat pump system, it also may include multiple heat pump systems.When the air-conditioning
When unit includes multiple heat pump systems, each heat pump system in multiple heat pump systems is all independent from each other, and each heat
It all is stored with the current mark bit of each heat pump system comprising a four-way valve and a compressor, mainboard in pumping system, at this moment,
The current mark bit for obtaining air-conditioner set includes: the current flag for obtaining each heat pump system of mainboard record in air-conditioner set
Position；According to current mark bit and power on request, control four-way valve is in the first working condition or the second working condition includes: root
According to the current mark bit and power on request of each heat pump system, controls the four-way valve in each heat pump system and be in the first work shape
State or the second working condition.
That is, when receiving power on request, it can be by executing step S104 to step to each heat pump system
S106 is in the first working condition or the second working condition to control the four-way valve in the heat pump system.
It should be noted that the multiple heat pump systems for including in air-conditioner set can be and natively exist in the air-conditioner set
, it is also possible to by just obtaining after more air-conditioner set modular combinations.
When being respectively next heating power on request or refrigeration power on request to power on request, the heat pump system to be started
The course of work of middle four-way valve is described as follows:
Optionally, when power on request is heating power on request, according to current mark bit and power on request, four-way valve is controlled
It include step S1 to step S5 in the first working condition or the second working condition, specific as follows:
Step S1, detection current mark bit are the first flag bit or the second flag bit.
Specifically, the first flag bit can be indicated with " 1 ", and the second flag bit can be indicated with " 2 ".
Step S3, if it is detected that control four-way valve when current mark bit is the first flag bit and be in the second working condition,
After control four-way valve is in the second working condition, the compressor start in heat pump system is controlled, and in control compressor
After starting preset time, control four-way valve is in the first working condition.
Above-mentioned steps S3 is first it is, when the current mark bit for detecting heat pump system belonging to the four-way valve is " 1 "
The four-way valve in the heat pump system is first controlled in working condition when not powering on, then controls the compressor in the heat pump system
Starting, then above-mentioned four-way valve is controlled in working condition when powering on after controlling compressor start preset time.
Specifically, preset time can be arranged according to demand, such as: 10 seconds, 20 seconds, 30 seconds etc..
Step S5, if it is detected that control four-way valve when current mark bit is the second flag bit and be in the first working condition,
After control four-way valve is in the first working condition, compressor start is controlled.
Above-mentioned steps S5 it is, the current mark bit for detecting heat pump system belonging to the four-way valve be 2 when, first
The four-way valve in the heat pump system is controlled in working condition when powering on, the compressor then controlled in the heat pump system opens
It is dynamic.
In embodiments of the present invention, when power on request is heating power on request, if it is detected that flag bit is " 1 ", explanation
The four-way valve in air-conditioner set belonging to heat pump system before ran refrigeration mode, then need in air-conditioner set heat pump system
After interior compressor start Fixed Time Interval, the four-way valve in the heat pump system can just power on commutation, therefore can be effective
Avoid liquid hammer；If it is detected that flag bit is " 2 ", illustrate to run before four-way valve heat pump system affiliated in air-conditioner set
Heating mode then need to restart compressor, the starting of such above-mentioned compressor after the four-way valve in above-mentioned heat pump system powers on
It is not related to four-way valve commutation in the process, therefore equally can effectively avoids liquid hammer, and then having reached the work of raising four-way valve can
By property, the effect of four-way valve failure rate is reduced.
Optionally, when power on request is refrigeration power on request, according to current mark bit and power on request, four-way valve is controlled
It include step S7 to step S11 in the first working condition or the second working condition, specific as follows:
Step S7, detection current mark bit are the first flag bit or the second flag bit.
Step S9, if it is detected that control four-way valve is in the second working condition when current mark bit is the first flag bit,
Control four-way valve is in after the second working condition, controls the compressor start in heat pump system.
Above-mentioned steps S9 is first it is, when the current mark bit for detecting heat pump system belonging to the four-way valve is " 1 "
The four-way valve in the heat pump system is first controlled in working condition when not powering on, then controls the compressor in the heat pump system
Starting.
Step S11, if it is detected that control four-way valve is in the first working condition when current mark bit is the second flag bit,
After control four-way valve is in the first working condition, compressor start is controlled, and in control compressor start preset time
Afterwards, control four-way valve is in the second working condition.
Above-mentioned steps S11 it is, the current mark bit for detecting heat pump system belonging to the four-way valve be " 2 " when,
The four-way valve in the heat pump system is controlled first in working condition when powering on, and then controls the compressor in the heat pump system
Starting, then control the working condition controlled after compressor start preset time when above-mentioned four-way valve is in power down.
Specifically, preset time can be arranged according to demand, such as: 10 seconds, 20 seconds, 30 seconds etc..
In embodiments of the present invention, it when power on request is refrigeration power on request, if it is detected that flag bit is " 1 ", says
Refrigeration mode was run before bright four-way valve heat pump system affiliated in air-conditioner set, so above-mentioned four-way valve is without powering on
Commutation, controls the compressor start in the heat pump system, therefore can effectively avoid liquid hammer；If it is detected that flag bit is
" 2 " illustrate to run heating mode before four-way valve heat pump system affiliated in air-conditioner set, then need to be in above-mentioned compressor
After starting Fixed Time Interval, four-way valve can just power on commutation, therefore equally can effectively avoid liquid hammer, and then reached and mentioned
High four-way valve functional reliability reduces the effect of four-way valve failure rate.
Optionally, in the case where controlling compressor start after control four-way valve is in the first working condition, method is also
Include: by the current mark bit of heat pump system be updated to the second flag bit.
Optionally, after control four-way valve is in the second working condition, the compressor start in heat pump system is controlled
In the case of, method further include: by the current mark bit of heat pump system be updated to the first flag bit.
Optionally, in the case that control four-way valve is in the first working condition after controlling compressor start preset time,
Method further include: by the current mark bit of heat pump system be updated to the second flag bit.
Optionally, in the case that control four-way valve is in the second working condition after controlling compressor start preset time,
Method further include: by the current mark bit of heat pump system be updated to the first flag bit.
It should be noted that mainboard does not record when the compressor in some heat pump system does not start, four-way valve is not charged
The flag bit of the flag bit of the heat pump system, the heat pump system not will be updated, and continue the flag bit recorded before keeping.When some
When compressor in heat pump system does not start, four-way valve charges, mainboard does not record the flag bit of the heat pump system, the heat pump equally
The flag bit of system not will be updated, and continue the flag bit recorded before keeping.
Specifically, as long as air-conditioner set is in power-up state, the current flag of the mainboard just each heat pump system of persistent memory
Position, that is, the working condition of each four-way valve of persistent memory, and memory result is recorded as 1 (that is, first flag bit) respectively
With 2 (that is, second flag bits).
It can be seen from the above content that since mainboard remembers the flag bit of each heat pump system, that is, realize memory often
The working condition of four-way valve in a heat pump system although it is understood that the sliding block position of each four-way valve under any operational mode in this way
Set, to provide judgment basis for four-way valve commutation action next time, air-conditioner set have every time four-way valve commutate demand when,
The control method of four-way valve provided by according to embodiments of the present invention can effectively avoid unit starting process in various situations
In with four-way valve simultaneously commutate risk, the failure rate of four-way valve is effectively reduced.
It should be noted that the current mark bit of each heat pump system can be updated by mainboard.If in air-conditioner set
Heat pump system be it is multiple, mainboard can according to the working condition of the starting state of compressor and four-way valve in each heat pump system continue
The current mark bit of memory (that is, update) heat pump system makes so as to make correct commutation control to each four-way valve
Mainboard is obtained according to the current mark bit of the different heat pump systems recorded in it, respective four-way valve is controlled and executes corresponding control behaviour
Make, rather than seek unity of action same control action to multiple four-way valves, so the control mode of such four-way valve is more flexible, i.e.,
Make the commutation accuracy that also can guarantee each four-way valve in the case where more air-conditioner set modular combinations and intelligence, into
And the technical effect for effectively improving the functional reliability of each four-way valve is reached.
Fig. 2 is the flow chart of the control method of another optional four-way valve according to an embodiment of the present invention, referring to fig. 2,
In the present embodiment, air-conditioner set includes a heat pump system, and this method comprises the following steps:
Step S202 receives refrigeration power on request.The step namely receives the operation refrigeration for being used to indicate air-conditioner set
The power on request of mode.
Step S204 detects the current mark bit of air-conditioner set.
Specifically, since in the embodiment of the present invention, air-conditioner set only includes a heat pump system, so the heat pump system
Current mark bit is referred to as the current mark bit of air-conditioner set.Above-mentioned steps S204 is it is, mainboard detects itself memory
Air-conditioner set current mark bit.
Step S206, in the case where detecting current mark bit is the first flag bit, four-way valve is not powered on.
Specifically, in the case where detecting the current mark bit of air-conditioner set is the first flag bit (that is, 1), mainboard
Control four-way valve does not power on.
Step S208, compressor start.
Specifically, after mainboard control four-way valve does not power on, mainboard controls compressor start.Operation program can be passed through
Control compressor start.
If it is detected that flag bit is " 1 ", illustrate to run refrigeration mode before the air-conditioner set, so above-mentioned four-way valve
Without powering on commutation, compressor start is controlled, therefore can effectively avoid liquid hammer, so that provide four-way valve work can
By property.
Step S210, in the case where detecting current mark bit is the second flag bit, four-way valve is powered on.
Specifically, in the case where detecting the current mark bit of air-conditioner set is the second flag bit (that is, 2), mainboard
Control four-way valve powers on.
Step S212, compressor start.
Specifically, mainboard can control compressor start by operation program.
Step S214, after compressor start 20S, four-way valve power down.
If it is detected that flag bit is " 2 ", illustrate that the four-way valve ran heating mode before air-conditioner set, then it need to be four
After port valve powers on, recompression machine starting, and the four-way valve power down after compressor start Fixed Time Interval, therefore can be effective
Avoid liquid hammer, thus provide four-way valve work reliability.
Fig. 3 is the flow chart of the control method of another optional four-way valve according to an embodiment of the present invention, referring to Fig. 3,
In the present embodiment, air-conditioner set includes a heat pump system, and this method comprises the following steps:
Step S302 receives heating power on request.The step namely receives the operation heating for being used to indicate air-conditioner set
The power on request of mode.
Step S304 detects the current mark bit of air-conditioner set.
Specifically, since in the embodiment of the present invention, air-conditioner set only includes a heat pump system, so the heat pump system
Current mark bit is referred to as the current mark bit of air-conditioner set.Above-mentioned steps S304 is it is, mainboard detects itself memory
Air-conditioner set current mark bit.
Step S306, in the case where detecting current mark bit is the second flag bit, four-way valve is powered on.
Specifically, in the case where detecting the current mark bit of air-conditioner set is the second flag bit (that is, 2), mainboard
Control four-way valve powers on.
Step S308, compressor start.
Specifically, after mainboard control four-way valve powers on, mainboard controls compressor start, can pass through operation program control
Compressor start processed.
If it is detected that flag bit is " 2 ", illustrates to run heating mode before air-conditioner set, then need to be powered in four-way valve
Afterwards, restart compressor, be not related to four-way valve commutation in the start-up course of such above-mentioned compressor, therefore can effectively avoid
Liquid hammer, to provide the reliability of four-way valve work.
Step S310, in the case where detecting current mark bit is the first flag bit, four-way valve is not powered on.
Specifically, in the case where detecting the current mark bit of air-conditioner set is the first flag bit (that is, 1), mainboard
Control four-way valve does not power on.
Step S312, compressor start.
Specifically, mainboard can control compressor start by operation program.
Step S314, after compressor start 20S, four-way valve is powered on.
If it is detected that flag bit is " 1 ", illustrate to run refrigeration mode before air-conditioner set, then it need to be solid in compressor start
After determining interval time, four-way valve can just power on commutation, therefore can effectively avoid liquid hammer, thus provide four-way valve work can
By property.
According to embodiments of the present invention, a kind of control device of four-way valve is additionally provided, the control device of the four-way valve is used for
The control method for executing four-way valve provided by above content of the embodiment of the present invention, is provided for the embodiments of the invention four below
The control device of port valve does specific introduction:
Fig. 4 is a kind of schematic diagram of the control device of four-way valve according to an embodiment of the present invention, as shown in figure 4, the control
Device mainly includes receiving unit 41, acquiring unit 43 and control unit 45, in which:
Receiving unit 41 is used to receive the power on request for the operational mode for being used to indicate air-conditioner set, wherein operational mode
For refrigeration mode or heating mode.
Specifically, power on request can be received by the mainboard of air-conditioner set.Power on request can there are two types of, respectively be heating
Power on request and refrigeration power on request.When power on request is heating power on request, operational mode is heating mode；When booting is asked
Ask for refrigeration power on request when, operational mode is refrigeration mode.
Air-conditioner set in the embodiment of the present invention can be cold and hot type air-conditioning, and user can issue heating booting according to demand
Request or refrigeration power on request.
Acquiring unit 43 is used to obtain the current mark bit of four-way valve heat pump system affiliated in air-conditioner set, wherein
Current mark bit is at least determined based on the history working condition of four-way valve.
Specifically, record has the current mark bit of heat pump system in mainboard, and then can obtain the four-way valve from mainboard and exist
The current mark bit of heat pump system belonging in air-conditioner set.
Heat pump system is when receiving heating power on request, for heating；When receiving refrigeration power on request, for making
It is cold.It wherein, include a four-way valve and a compressor in a heat pump system.
The history working condition of four-way valve can be divided into the first working condition and the second working condition hereinafter, wherein
When first working condition powers on for four-way valve working condition (that is, when heat pump system is in refrigeration mode, the work shape of four-way valve
State), and working condition when the second working condition is four-way valve power down (that is, when heat pump system is in heating mode, the work of four-way valve
Make state) or four-way valve when not powering on working condition (that is, when heat pump system is in heating mode, the work shape of four-way valve
State).
Preferably, the flag bit of each heat pump system is also related to the starting state of compressor in the heat pump system.
Control unit 45 is used for according to current mark bit and power on request, control four-way valve be in the first working condition or
Second working condition.
Specifically, four-way valve can be controlled by mainboard and is in the first working condition or the second working condition.
It can be seen from the above content that it is the working condition when four-way valve powers on that four-way valve, which is in the first working condition,；Four
Port valve is in when the second working condition is the four-way valve power down or working condition when not powering on.
In embodiments of the present invention, by according to flag bit relevant to the history working condition of four-way valve and power on request
It is common to determine whether four-way valve needs to commutate (that is, the four-way valve is in the first working condition also the second working condition), it avoids
Air-conditioner set commutates in start-up course simultaneously with four-way valve easily lead to the risk of liquid hammer in all cases, has reached raising four
The purpose of port valve functional reliability to realize the technical effect for improving the degree of intelligence of four-way valve commutation control, and then solves
It has determined technical problem lower to the degree of intelligence of four-way valve commutation control in the prior art.
If including that multiple heat pump systems are ok each heat pump system when receiving power on request in air-conditioner set
By calling acquiring unit and control unit to be in the first working condition or second to control the four-way valve in the heat pump system
Working condition.
When being respectively next heating power on request or refrigeration power on request to power on request, the heat pump system to be started
The course of work of middle four-way valve is described as follows:
Optionally, when power on request is heating power on request, control unit includes first detection module, the first control mould
Block and the second control module, in which:
First detection module is the first flag bit or the second flag bit for detecting current mark bit.
First control module is used to then control at four-way valve in the case where detecting current mark bit is the first flag bit
The compressor start in heat pump system is controlled after control four-way valve is in the second working condition in the second working condition, with
And after controlling compressor start preset time, control four-way valve is in the first working condition.
Above-mentioned first control module is namely in the current mark bit for detecting heat pump system belonging to the four-way valve
When for " 1 ", the four-way valve in the heat pump system is controlled first and is in working condition when not powering on, then controls the heat pump system
Interior compressor start, then above-mentioned four-way valve is controlled in working condition when powering on after controlling compressor start preset time.
Specifically, preset time can be arranged according to demand, such as: 10 seconds, 20 seconds, 30 seconds etc..
Second control module is used to then control at four-way valve in the case where detecting current mark bit is the second flag bit
Compressor start is controlled after control four-way valve is in the first working condition in the first working condition.
Above-mentioned second control module is namely in the current mark bit for detecting heat pump system belonging to the four-way valve
When for " 2 ", the four-way valve in the heat pump system is controlled first and is in working condition when powering on, is then controlled in the heat pump system
Compressor start.
In embodiments of the present invention, when power on request is heating power on request, if it is detected that flag bit is " 1 ", explanation
The four-way valve in air-conditioner set belonging to heat pump system before ran refrigeration mode, then need in air-conditioner set heat pump system
After interior compressor start Fixed Time Interval, the four-way valve in the heat pump system can just power on commutation, therefore can be effective
Avoid liquid hammer；If it is detected that flag bit is " 2 ", illustrate to run before four-way valve heat pump system affiliated in air-conditioner set
Heating mode then need to restart compressor, the starting of such above-mentioned compressor after the four-way valve in above-mentioned heat pump system powers on
It is not related to four-way valve commutation in the process, therefore equally can effectively avoids liquid hammer, and then having reached the work of raising four-way valve can
By property, the effect of four-way valve failure rate is reduced.
Optionally, when power on request is refrigeration power on request, control unit includes the second detection module, third control mould
Block and the 4th control module, in which:
Second detection module is the first flag bit or the second flag bit for detecting current mark bit.
Third control module is used in the case where detecting current mark bit is the first flag bit, and control four-way valve is in
Second working condition controls the compressor start in heat pump system after control four-way valve is in the second working condition.
Above-mentioned third control module is namely in the current mark bit for detecting heat pump system belonging to the four-way valve
When for " 1 ", the four-way valve in the heat pump system is controlled first and is in working condition when not powering on, then controls the heat pump system
Interior compressor start.
4th control module is used in the case where detecting current mark bit is the second flag bit, and control four-way valve is in
First working condition controls compressor start, and in control compressor after control four-way valve is in the first working condition
After starting preset time, control four-way valve is in the second working condition.
4th control module namely for the current mark bit for detecting heat pump system belonging to the four-way valve be " 2 "
When, the four-way valve in the heat pump system is controlled first in working condition when powering on, and then controls the pressure in the heat pump system
The starting of contracting machine, then control the working condition controlled after compressor start preset time when above-mentioned four-way valve is in power down.
Specifically, preset time can be arranged according to demand, such as: 10S, 20S, 30S etc..
In embodiments of the present invention, it when power on request is refrigeration power on request, if it is detected that flag bit is " 1 ", says
Refrigeration mode was run before bright four-way valve heat pump system affiliated in air-conditioner set, so above-mentioned four-way valve is without powering on
Commutation, controls the compressor start in the heat pump system, therefore can effectively avoid liquid hammer；If it is detected that flag bit is
" 2 " illustrate to run heating mode before four-way valve heat pump system affiliated in air-conditioner set, then need to be in above-mentioned compressor
After starting Fixed Time Interval, four-way valve can just power on commutation, therefore equally can effectively avoid liquid hammer, and then reached and mentioned
High four-way valve functional reliability reduces the effect of four-way valve failure rate.
Optionally, in embodiments of the present invention, device further include: the first updating unit, for being in control four-way valve
It is to be updated to the second mark by the current mark bit of heat pump system in the case where controlling compressor start after first working condition
Will position.
Optionally, in embodiments of the present invention, device further include: the second updating unit, for being in control four-way valve
After second working condition, in the case where controlling the compressor start in heat pump system, it is by the current mark bit of heat pump system
It is updated to the first flag bit.
Optionally, in embodiments of the present invention, device further include: third updating unit, in control compressor start
It is to be updated to by the current mark bit of heat pump system in the case that control four-way valve is in the first working condition after preset time
Second flag bit.
Optionally, in embodiments of the present invention, device further include: the 4th updating unit, in control compressor start
It is to be updated to by the current mark bit of heat pump system in the case that control four-way valve is in the second working condition after preset time
First flag bit.
It should be noted that mainboard does not record when the compressor in some heat pump system does not start, four-way valve is not charged
The flag bit of the flag bit of the heat pump system, the heat pump system not will be updated, and continue the flag bit recorded before keeping.When some
When compressor in heat pump system does not start, four-way valve charges, mainboard does not record the flag bit of the heat pump system, the heat pump equally
The flag bit of system not will be updated, and continue the flag bit recorded before keeping.
Specifically, as long as air-conditioner set is in power-up state, the working condition of the mainboard just each four-way valve of persistent memory, and
Memory result is recorded as " 1 " (that is, first flag bit) and " 2 " (that is, second flag bit) respectively.
It can be seen from the above content that since mainboard remembers the flag bit of each heat pump system, that is, realize memory often
The working condition of four-way valve in a heat pump system although it is understood that the sliding block position of each four-way valve under any operational mode in this way
Set, to provide judgment basis for four-way valve commutation action next time, air-conditioner set have every time four-way valve commutate demand when,
The control device of the four-way valve provided according to embodiments of the present invention can be avoided effectively in various situations during unit starting
With the risk that four-way valve commutates simultaneously, the failure rate of four-way valve is effectively reduced.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code
Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of control method of four-way valve characterized by comprising
Receive be used to indicate air-conditioner set operational mode power on request, wherein the operational mode be refrigeration mode or
Heating mode；
Obtain the current mark bit of four-way valve heat pump system affiliated in the air-conditioner set, wherein the current mark bit
At least determined based on the history working condition of the four-way valve；
According to the current mark bit and the power on request, controls the four-way valve and be in the first working condition or the second work
Make state；
When the air-conditioner set includes multiple heat pump systems, each heat pump system in the multiple heat pump system is all mutual
It is independent, and include a four-way valve and a compressor in each heat pump system, mainboard is stored with each heat pump
The current mark bit of system, the current mark bit for obtaining the air-conditioner set include: to obtain mainboard record in the air-conditioner set
Each heat pump system current mark bit；According to current mark bit and power on request, controls the four-way valve and be in the first work
Make state or the second working condition includes: the current mark bit and power on request according to each heat pump system, controls each heat
Four-way valve in pumping system is in the first working condition or the second working condition.
2. the method according to claim 1, wherein when the power on request be heating power on request when, according to
The current mark bit and the power on request control the four-way valve and are in the first working condition or the second working condition packet
It includes:
Detecting the current mark bit is the first flag bit or the second flag bit；
If it is detected that controlling the four-way valve when current mark bit is first flag bit and being in second work
State controls the compressor start in the heat pump system after controlling the four-way valve and being in second working condition,
And it after controlling the compressor start preset time, controls the four-way valve and is in first working condition；
If it is detected that controlling the four-way valve when current mark bit is second flag bit and being in first work
State controls the compressor start after controlling the four-way valve and being in first working condition.
3. the method according to claim 1, wherein when the power on request be refrigeration power on request when, according to
The current mark bit and the power on request control the four-way valve and are in the first working condition or the second working condition packet
It includes:
Detecting the current mark bit is the first flag bit or the second flag bit；
If it is detected that control the four-way valve when current mark bit is the first flag bit and be in second working condition,
After controlling the four-way valve and being in second working condition, the compressor start in the heat pump system is controlled；
If it is detected that control the four-way valve when current mark bit is the second flag bit and be in first working condition,
After controlling the four-way valve and being in first working condition, the compressor start is controlled, and controlling the pressure
After contracting machine starts preset time, controls the four-way valve and be in second working condition.
4. according to the method in claim 2 or 3, which is characterized in that be in first work controlling the four-way valve
After state, in the case where controlling the compressor start, the method also includes:
It is to be updated to second flag bit by the current mark bit of the heat pump system.
5. according to the method in claim 2 or 3, which is characterized in that be in second work controlling the four-way valve
After state, in the case where controlling the compressor start in the heat pump system, the method also includes:
It is to be updated to first flag bit by the current mark bit of the heat pump system.
6. according to the method described in claim 2, it is characterized in that, being controlled after controlling the compressor start preset time
In the case that the four-way valve is in first working condition, the method also includes:
It is to be updated to second flag bit by the current mark bit of the heat pump system.
7. according to the method described in claim 3, it is characterized in that, being controlled after controlling the compressor start preset time
In the case that the four-way valve is in second working condition, the method also includes:
It is to be updated to first flag bit by the current mark bit of the heat pump system.
8. a kind of control device of four-way valve characterized by comprising
Receiving unit, for receiving the power on request for being used to indicate the operational mode of air-conditioner set, wherein the operational mode is
Refrigeration mode or heating mode；
Acquiring unit, for obtaining the current mark bit of four-way valve heat pump system affiliated in the air-conditioner set, wherein institute
Current mark bit is stated at least to determine based on the history working condition of the four-way valve；
Control unit, for controlling the four-way valve and being in the first work according to the current mark bit and the power on request
State or the second working condition；
When the air-conditioner set includes multiple heat pump systems, each heat pump system in the multiple heat pump system is all mutual
It is independent, and include a four-way valve and a compressor in each heat pump system, mainboard is stored with each heat pump
The current mark bit of system, the current mark bit for obtaining the air-conditioner set include: to obtain mainboard record in the air-conditioner set
Each heat pump system current mark bit；According to current mark bit and power on request, controls the four-way valve and be in the first work
Make state or the second working condition includes: the current mark bit and power on request according to each heat pump system, controls each heat
Four-way valve in pumping system is in the first working condition or the second working condition.
9. device according to claim 8, which is characterized in that described when the power on request is heating power on request
Control unit includes:
First detection module is the first flag bit or the second flag bit for detecting the current mark bit；
First control module, in the case where detecting the current mark bit is first flag bit, then controlling institute
It states four-way valve and is in second working condition, after controlling the four-way valve and being in second working condition, control institute
The compressor start in heat pump system is stated, and after controlling the compressor start preset time, is controlled at the four-way valve
In first working condition；
Second control module, in the case where detecting the current mark bit is second flag bit, then controlling institute
It states four-way valve and is in first working condition, after controlling the four-way valve and being in first working condition, control institute
State compressor start.
10. device according to claim 8, which is characterized in that described when the power on request is refrigeration power on request
Control unit includes:
Second detection module is the first flag bit or the second flag bit for detecting the current mark bit；
Third control module, for controlling the four-way in the case where detecting the current mark bit is the first flag bit
Valve is in second working condition, after controlling the four-way valve and being in second working condition, controls the heat pump
Compressor start in system；
4th control module, for controlling the four-way in the case where detecting the current mark bit is the second flag bit
Valve is in first working condition, after controlling the four-way valve and being in first working condition, controls the compression
Machine starting, and after controlling the compressor start preset time, control the four-way valve and be in second working condition.
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| 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 |
| CN112880166B (en) * | 2021-02-20 | 2022-05-10 | 珠海格力电器股份有限公司 | Automatic setting method and device for temperature controller and temperature controller |
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| KR100584283B1 (en) * | 2004-01-05 | 2006-05-26 | 엘지전자 주식회사 | The method for control to pressure equilibrium of air-conditioner |
| CN101086375B (en) * | 2006-06-07 | 2010-10-27 | 乐金电子(天津)电器有限公司 | Method for controlling change-over valve of air conditioner |
| CN101504236B (en) * | 2009-03-13 | 2010-10-13 | 宁波奥克斯电气有限公司 | Control method for four-way valve |
| CN101738038A (en) * | 2009-12-18 | 2010-06-16 | 四川长虹空调有限公司 | Control method for pressure balance of heat pump air conditioner |
| CN104807266B (en) * | 2015-04-09 | 2017-04-12 | 广东芬尼克兹节能设备有限公司 | Control method and system capable of rapidly balancing system pressure |
| CN105066332B (en) * | 2015-07-21 | 2017-11-14 | 珠海格力电器股份有限公司 | Outdoor unit control method and device |
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