CN107388656A - The control method of unit, apparatus and system - Google Patents
The control method of unit, apparatus and system Download PDFInfo
- Publication number
- CN107388656A CN107388656A CN201710443747.8A CN201710443747A CN107388656A CN 107388656 A CN107388656 A CN 107388656A CN 201710443747 A CN201710443747 A CN 201710443747A CN 107388656 A CN107388656 A CN 107388656A
- Authority
- CN
- China
- Prior art keywords
- change
- rate
- unit
- temperature
- pipe temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Defrosting Systems (AREA)
Abstract
The invention discloses a kind of control method of unit, apparatus and system.Wherein, this method includes：Obtain the rate of change for entering pipe temperature in unit；By rate of change compared with default rate of change；If rate of change is less than default rate of change, control unit enters defrosting mode of operation.The present invention solves unit in the prior art and runs meeting frosting at low ambient temperatures, reduces the technical problem of unit operation efficiency.
Description
Technical field
The present invention relates to electrical equipment control field, in particular to a kind of control method of unit, apparatus and system.
Background technology
For heat pump water-heating machine unit, due to the high-efficient energy-saving environment friendly intelligence of heat pump water-heating machine, while it heats in the north
It is middle replacement boiler heating work well, be increasingly valued by people, but due to the operation principle of heat pump water-heating machine be from
Absorbed heat in air, when environment temperature is relatively low, meeting frosting on fin, reduce unit operation efficiency.
For unit in the prior art at low ambient temperatures run can frosting, reduce unit operation efficiency the problem of, at present
Not yet propose effective solution.
The content of the invention
The embodiments of the invention provide a kind of control method of unit, apparatus and system, at least to solve in the prior art
Unit runs meeting frosting at low ambient temperatures, reduces the technical problem of unit operation efficiency.
One side according to embodiments of the present invention, there is provided a kind of control method of unit, including：Obtain and enter in unit
The rate of change of pipe temperature；By rate of change compared with default rate of change；If rate of change is less than default change speed
Rate, then unit is controlled to enter defrosting mode of operation.
Further, the rate of change for entering pipe temperature in unit is obtained, including：Obtain in unit and enter pipe temperature；According to entering
Pipe temperature and initially enter pipe temperature, obtain rate of change.
Further, according to enter pipe temperature and initially enter pipe temperature, obtain rate of change, including：Obtain the first of unit
Run time；The difference of pipe temperature is calculated into pipe temperature and initially entered, obtains temperature difference；Calculate temperature difference and the first run time
Ratio, obtain rate of change.
Further, before pipe temperature is entered in obtaining unit, the above method also includes：Judge whether unit meets to preset
Condition, wherein, preparatory condition includes one of following：Operation is first powered on, and exits normal operation after defrosting mode of operation；Such as
Fruit unit meets preparatory condition, then obtains the second run time of unit；Judge whether the second run time reaches preset time；
If the second run time reaches preset time, obtain in unit and enter pipe temperature, initially entered pipe temperature.
Further, obtain in unit and enter pipe temperature, including：What acquisition temperature-detecting device collected enters pipe temperature, its
In, temperature-detecting device is arranged on the branch road of the heat exchanger of unit.
Further, before by rate of change compared with default rate of change, the above method also includes：Acquisition machine
The residing environment temperature of group；Obtain the rate of change for entering pipe temperature corresponding to environment temperature；Guan Wen will be entered corresponding to environment temperature
The rate of change of degree is as default rate of change.
Further, the rate of change for entering pipe temperature corresponding to environment temperature is obtained, including：Obtain rate of change control
Table, wherein, the rate of change table of comparisons includes：Enter pipe temperature corresponding to multiple environment temperature sections and each environment temperature section
Rate of change；Determine first environment temperature range corresponding to environment temperature；Obtain change speed corresponding to first environment temperature range
Rate, obtain entering corresponding to environment temperature the rate of change of pipe temperature.
Further, after by rate of change compared with default rate of change, the above method also includes：If become
Change speed and be more than or equal to default rate of change, then obtain the current operation mode of unit；Unit is controlled according to current operation mode
Continue to run with, and return to execution and obtain the step of entering the rate of change of pipe temperature in unit.
Another aspect according to embodiments of the present invention, a kind of control device of unit is additionally provided, including：Acquisition module,
Enter the rate of change of pipe temperature in unit for obtaining；Comparison module, for rate of change and default rate of change to be compared
Compared with；Control module, if being less than default rate of change for rate of change, control unit enters defrosting mode of operation.
Another aspect according to embodiments of the present invention, a kind of control system of unit is additionally provided, including：Processor, use
In obtaining the rate of change that enters pipe temperature in unit, and by rate of change compared with default rate of change；Controller, with place
Device connection is managed, if being less than default rate of change for rate of change, control unit enters defrosting mode of operation.
Another aspect according to embodiments of the present invention, additionally provides a kind of storage medium, and storage medium includes the journey of storage
Sequence, wherein, control equipment where storage medium to perform the control method of the unit in above-described embodiment when program is run.
Another aspect according to embodiments of the present invention, a kind of processor being additionally provided, processor is used for operation program, its
In, program performs the control method of the unit in above-described embodiment when running.
In embodiments of the present invention, the rate of change for entering pipe temperature in unit is obtained, by rate of change and default change speed
Rate is compared, if rate of change is less than default rate of change, control unit enters defrosting mode of operation, realizes detection machine
Whether group needs the purpose to be defrosted, so as to reach the technology at utmost improving the operational efficiency of unit at low ambient temperatures
Effect, and then solve unit in the prior art and run meeting frosting at low ambient temperatures, the technology for reducing unit operation efficiency is asked
Topic.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is a kind of flow chart of the control method of unit according to embodiments of the present invention；
Fig. 2 is a kind of flow chart of the control method of optional unit according to embodiments of the present invention；
Fig. 3 is a kind of schematic diagram of the control device of unit according to embodiments of the present invention；And
Fig. 4 is a kind of schematic diagram of the control system of unit according to embodiments of the present invention.
Embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, it should all belong to the model that the present invention protects
Enclose.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or the intrinsic other steps of equipment or unit.
Embodiment 1
According to embodiments of the present invention, there is provided a kind of embodiment of the control method of unit is, it is necessary to illustrate, in accompanying drawing
Flow the step of illustrating can be performed in the computer system of such as one group computer executable instructions, although also,
Show logical order in flow charts, but in some cases, can with different from order herein perform it is shown or
The step of description.
Fig. 1 is a kind of flow chart of the control method of unit according to embodiments of the present invention, as shown in figure 1, this method bag
Include following steps：
Step S102, obtain the rate of change for entering pipe temperature in unit.
Specifically, above-mentioned unit can be heat pump water-heating machine unit；The above-mentioned pipe temperature that enters can be changed into fin
The temperature of the branch road of hot device；Above-mentioned rate of change can be variable quantity of the pipe temperature within the unit interval, and rate of change can
To reflect the frosting degree of unit.
In a kind of optional scheme, it can in real time detect and enter pipe temperature in unit, according to entering of detecting of current time
Pipe temperature, initially enter pipe temperature and the run time of unit, obtain entering in unit the rate of change of pipe temperature.
Step S104, by rate of change compared with default rate of change.
Specifically, above-mentioned default rate of change can be the rate of change pre-set threshold value or according to
The threshold value of rate of change determined by current environmental temperature.
Step S106, if rate of change is less than default rate of change, control unit enters defrosting mode of operation.
In a kind of optional scheme, after the rate of change of pipe temperature is got, the change that will can get
Speed is compared with default rate of change, if rate of change is less than default rate of change, it is determined that unit now needs to remove
Frost, control unit enter defrosting mode of operation.
According to the above embodiment of the present invention, the rate of change for entering pipe temperature in unit is obtained, rate of change is become with default
Change speed to be compared, if rate of change is less than default rate of change, control unit enters defrosting mode of operation, realizes inspection
The purpose whether unit needs to be defrosted is surveyed, the operational efficiency of unit at low ambient temperatures is at utmost improved so as to reach
Technique effect, and then solve unit in the prior art and run meeting frosting at low ambient temperatures, reduce the skill of unit operation efficiency
Art problem.
Alternatively, in the above embodiment of the present invention, step S102, the rate of change for entering pipe temperature in unit, bag are obtained
Include following steps：Obtain in unit and enter pipe temperature；According to enter pipe temperature and initially enter pipe temperature, obtain rate of change.
Specifically, the above-mentioned pipe temperature that initially enters can restart heating operation after unit once defrosts in completion
Or what is detected after first powering on enters pipe temperature.
In a kind of optional scheme, in order to get the rate of change for entering pipe temperature in unit in real time, it can examine in real time
Survey unit in enter pipe temperature, according to current time detect enter pipe temperature and initially enter pipe temperature, the unit interval is calculated
The interior variable quantity for entering pipe temperature, that is, obtain the rate of change into pipe temperature.
Alternatively, in the above embodiment of the present invention, according to enter pipe temperature and initially enter pipe temperature, obtain rate of change,
Comprise the following steps：Obtain the first run time of unit；The difference of pipe temperature is calculated into pipe temperature and initially entered, obtains temperature
Difference；The ratio of temperature difference and the first run time is calculated, obtains rate of change.
Specifically, the first above-mentioned run time can detect the difference at current time and initial time into pipe temperature
Value, initial time can be at the time of detecting initially to enter pipe temperature.
In a kind of optional scheme, in order to get the rate of change for entering pipe temperature in unit in real time, it can examine in real time
Survey in unit and enter pipe temperature TPipe temperature t, and obtain the first run time t of unit and initially enter pipe temperature TPipe temperature 0, calculating in real time can be with
Calculate into pipe temperature TPipe temperature tWith initially entering pipe temperature TPipe temperature 0Difference, obtain temperature difference Δ T, then calculate temperature difference Δ T and first
Run time t ratio, obtain rate of change kt, i.e. (0, T can be calculated in real timePipe temperature 0) and (t, TPipe temperature t) the two point slope
kt。
Alternatively, in the above embodiment of the present invention, before pipe temperature is entered in obtaining unit, this method also includes as follows
Step：Judge whether unit meets preparatory condition, wherein, preparatory condition includes one of following：Operation is first powered on, and exits and removes
Normal operation after white mode of operation；If unit meets preparatory condition, the second run time of unit is obtained；Judge second
Whether run time reaches preset time；If the second run time reaches preset time, obtain in unit and enter pipe temperature, obtain
To initially enter pipe temperature.
Specifically, above-mentioned preset time can be preset according to real-time unit, for example, preset time can be
3min。
In a kind of optional scheme, the normal operation (for example, heating operation) after unit exits defrosting mode of operation,
Or first power on operation preset time t0When, detection current time (i.e. initial time) enters pipe temperature, is initially entered pipe
Temperature TPipe temperature 0。
Alternatively, in the above embodiment of the present invention, obtain in unit and enter pipe temperature, comprise the following steps：Obtain temperature
What detection means collected enters pipe temperature, wherein, temperature-detecting device is arranged on the branch road of the heat exchanger of unit.
Specifically, above-mentioned heat exchanger can be finned heat exchanger, above-mentioned temperature-detecting device can be mounted in into
Pipe warming thermometer bulb on the branch road of finned heat exchanger.
, can be real by the temperature-detecting device on the branch road for the heat exchanger for being arranged on unit in a kind of optional scheme
When detect unit in enter pipe temperature.
Alternatively, in the above embodiment of the present invention, in step S104, rate of change and default rate of change are compared
Than before, this method also comprises the following steps：Obtain the environment temperature residing for unit；Obtain and enter pipe temperature corresponding to environment temperature
Rate of change；The rate of change of pipe temperature will be entered corresponding to environment temperature as default rate of change.
In a kind of optional scheme, at a temperature of varying environment, enter pipe temperature corresponding to the frosting degree of unit
Rate of change is different, and the environment temperature residing for unit, and root can be detected by the environment temperature-sensitive bag in air installed outdoors
Default rate of change is determined according to environment temperature, you can to preset the change speed for entering pipe temperature corresponding to multiple environment temperatures
Rate, after current environmental temperature is got, the rate of change of pipe temperature can will be entered corresponding to current environmental temperature as pre-
If rate of change.
Alternatively, in the above embodiment of the present invention, the rate of change for entering pipe temperature corresponding to environment temperature, bag are obtained
Include：The rate of change table of comparisons is obtained, wherein, the rate of change table of comparisons includes：Multiple environment temperature sections and each environment temperature
Enter the rate of change of pipe temperature corresponding to section；Determine first environment temperature range corresponding to environment temperature；Obtain first environment
Rate of change corresponding to temperature range, obtain entering corresponding to environment temperature the rate of change of pipe temperature.
In a kind of optional scheme, the rate of change table of comparisons can be as shown in table 1, is contained in the rate of change table of comparisons
7 environment temperature sections and corresponding 7 rate of changes.After the current environmental temperature residing for unit is got, Ke Yitong
First environment temperature range corresponding to determination current environmental temperature of tabling look-up is crossed, is then further tabled look-up first environment temperature range
It is corresponding enter pipe temperature rate of change as the rate of change for entering pipe temperature corresponding to current environmental temperature, for example, obtaining
To environment temperature TCircumstance temperatureAfterwards, current environmental temperature T is determinedCircumstance temperatureCorresponding first environment temperature range is TCircumstance temperature 1To TCircumstance temperature 2, it is determined that
K2 is as environment temperature TCircumstance temperatureCorresponding rate of change kt。
Table 1
| Environment temperature | Rate of change |
| TCircumstance temperature<TCircumstance temperature 1 | K1 |
| TCircumstance temperature 1≤TCircumstance temperature<TCircumstance temperature 2 | K2 |
| TCircumstance temperature 2≤TCircumstance temperature<TCircumstance temperature 3 | K3 |
| TCircumstance temperature 3≤TCircumstance temperature<TCircumstance temperature 4 | K4 |
| TCircumstance temperature 4≤TCircumstance temperature<TCircumstance temperature 5 | K5 |
| TCircumstance temperature 5≤TCircumstance temperature<TCircumstance temperature 6 | K6 |
| TCircumstance temperature≥TCircumstance temperature 6 | K7 |
Alternatively, in the above embodiment of the present invention, in step S104, rate of change and default rate of change are compared
After relatively, this method also comprises the following steps：If rate of change is more than or equal to default rate of change, the current of unit is obtained
Mode of operation；Control unit continues to run with according to current operation mode, and returns and perform step S102, obtains in unit and enters Guan Wen
The step of rate of change of degree.
In a kind of optional scheme, after the rate of change of pipe temperature is got, the change that will can get
Speed is compared with default rate of change, if rate of change is more than or equal to default rate of change, it is determined that unit is now not
Need to defrost, then unit can be controlled to continue to run according to current operation mode, and detect in unit enter pipe temperature in real time, according to
What current time detected enters pipe temperature, initially enters pipe temperature and the run time of unit, obtains entering pipe temperature in unit
Rate of change, until entering pipe rate temperature change is less than default rate of change, control unit enters defrosting mode of operation.
Fig. 2 is a kind of flow chart of the control method of optional unit according to embodiments of the present invention, with reference to Fig. 2 and
A kind of preferred embodiment of the present invention is described in detail, as shown in Fig. 2 this method may include steps of：
Step S21, unit pipe warming thermometer bulb are continuously detected into pipe temperature.
Alternatively, after unit opens operation, unit local environment temperature can be detected in real time and enters pipe temperature.
Step S22, the rate of change into pipe temperature is calculated in real time, and rate of change and default rate of change are compared
Compared with.
Pass through (0, T it is alternatively possible to calculate in real timePipe temperature 0) and (t, TPipe temperature t) the two point slope kt, obtain into pipe temperature
Rate of change, for example, presetting change speed corresponding to being inquired according to unit local environment temperature from the rate of change table of comparisons
Rate, by the rate of change being calculated compared with default rate of change, preset if the rate of change being calculated is less than
Rate of change, then into step S23；If the rate of change being calculated is more than or equal to default rate of change, return to step
S21, continue to detect into pipe temperature.
Step S23, unit enter defrosting mode of operation.
Alternatively, if the rate of change being calculated is less than default rate of change, it is determined that unit needs to be defrosted,
Unit is controlled to enter defrosting mode of operation.
For example, illustrated by taking the rate of change table of comparisons as shown in table 2 as an example.After unit brings into operation, inspection in real time
Survey unit environment temperature and enter pipe temperature, after unit operation 3min, record now environment temperature and enter pipe temperature, environment temperature
Spend for -7 DEG C, pipe temperature TPipe temperature 0=-2 DEG C, determine that default rate of change is -0.4 by tabling look-up.When unit operation after 40min, note
Record now enter pipe temperature, TPipe temperature t=-15 DEG C, it is -0.351 that now rate of change, which is calculated, more than -0.4, determines unit not
Need to defrost, unit normal work.Progress over time, to after 50min, TPipe temperature t=-21 DEG C, now slope calculations for -
0.404, less than -0.4, determine that unit needs to defrost, control unit enters defrosting mode of operation.
Table 2
| Environment temperature | Rate of change |
| TCircumstance temperature<-15℃ | K1 |
| -15℃≤TCircumstance temperature<-5℃ | -0.4 |
| -5℃≤TCircumstance temperature<5℃ | K3 |
, can be using the pipe warming thermometer bulb and environment temperature-sensitive bag of unit, with reference to run time and in advance by such scheme
The rate of change of setting, judges whether unit meets defrosting condition, when unit enter pipe rate temperature change be less than preset
Rate of change, it is determined that unit need defrosted, and control unit enter defrosting mode of operation, so as to realize Intelligent Measurement
Unit frosting degree, and judge whether unit needs to be defrosted according to frosting degree, and ensure unit in a manner of most saving
Defrosting is completed, improves unit operation efficiency.
Embodiment 2
According to embodiments of the present invention, there is provided a kind of embodiment of the control device of unit.
Fig. 3 is a kind of schematic diagram of the control device of unit according to embodiments of the present invention, as shown in figure 3, the device bag
Include：
Acquisition module 32, enter the rate of change of pipe temperature in unit for obtaining.
Specifically, above-mentioned unit can be heat pump water-heating machine unit；It is above-mentioned enter pipe temperature can be enter it is finned
The temperature of the branch road of heat exchanger；Above-mentioned rate of change can be variable quantity of the pipe temperature within the unit interval, rate of change
The frosting degree of unit can be reflected.
In a kind of optional scheme, it can in real time detect and enter pipe temperature in unit, according to entering of detecting of current time
Pipe temperature, initially enter pipe temperature and the run time of unit, obtain entering in unit the rate of change of pipe temperature.
Comparison module 34, for by rate of change compared with default rate of change.
Specifically, above-mentioned default rate of change can be the rate of change pre-set threshold value or according to
The threshold value of rate of change determined by current environmental temperature.
Control module 36, if being less than default rate of change for rate of change, control unit enters defrosting Working mould
Formula.
In a kind of optional scheme, after the rate of change of pipe temperature is got, the change that will can get
Speed is compared with default rate of change, if rate of change is less than default rate of change, it is determined that unit now needs to remove
Frost, control unit enter defrosting mode of operation.
According to the above embodiment of the present invention, the rate of change for entering pipe temperature in unit is obtained by acquisition module, passes through ratio
Compared with module by rate of change compared with default rate of change, if rate of change is less than default rate of change, pass through control
Molding block control unit enters defrosting mode of operation, realizes whether detection unit needs the purpose to be defrosted, so as to reach most
Big degree improves the technique effect of the operational efficiency of unit at low ambient temperatures, so solve in the prior art unit in low temperature
Operation meeting frosting under environment, reduce the technical problem of unit operation efficiency.
Alternatively, in the above embodiment of the present invention, acquisition module 32 includes：First acquisition unit, for obtaining unit
In enter pipe temperature；Processing unit, enter pipe temperature for basis and initially enter pipe temperature, obtain rate of change.
Alternatively, in the above embodiment of the present invention, processing unit includes：First acquisition submodule, for obtaining unit
The first run time；First calculating sub module, for calculating into pipe temperature and initially entering the difference of pipe temperature, obtain temperature
Difference；Second calculating sub module, for calculating the ratio of temperature difference and the first run time, obtain rate of change.
Alternatively, in the above embodiment of the present invention, the device also includes：First judge module, for judging that unit is
It is no to meet preparatory condition, wherein, preparatory condition includes one of following：Operation is first powered on, and is exited after defrosting mode of operation
Normal operation；First acquisition module, if meeting preparatory condition for unit, obtain the second run time of unit；Second
Judge module, for judging whether the second run time reaches preset time；Second acquisition module, if run for second
Between reach preset time, then obtain unit in enter pipe temperature, initially entered pipe temperature.
Alternatively, in the above embodiment of the present invention, first acquisition unit includes：Second acquisition submodule, for obtaining
What temperature-detecting device collected enters pipe temperature, wherein, temperature-detecting device is arranged on the branch road of the heat exchanger of unit.
Alternatively, in the above embodiment of the present invention, the device also includes：3rd acquisition module, for obtaining unit institute
The environment temperature at place；4th acquisition module, enter the rate of change of pipe temperature corresponding to environment temperature for obtaining；Determining module,
For the rate of change using pipe temperature is entered corresponding to environment temperature as default rate of change.
Alternatively, in the above embodiment of the present invention, the 4th acquisition module includes：Second acquisition unit, become for obtaining
Change the speed table of comparisons, wherein, the rate of change table of comparisons includes：Corresponding to multiple environment temperature sections and each environment temperature section
Enter the rate of change of pipe temperature；Determining unit, for determining first environment temperature range corresponding to environment temperature；3rd obtains list
Member, for rate of change corresponding to obtaining first environment temperature range, obtain entering corresponding to environment temperature the change speed of pipe temperature
Rate.
Alternatively, in the above embodiment of the present invention, the device also includes：5th acquisition module, if for changing speed
Rate is more than or equal to default rate of change, then obtains the current operation mode of unit；Control module 36 be additionally operable to control unit according to
Current operation mode continues to run with, and returns to the function of performing acquisition module 32.
Embodiment 3
According to embodiments of the present invention, there is provided a kind of embodiment of the control system of unit.
Fig. 4 is a kind of schematic diagram of the control system of unit according to embodiments of the present invention, as shown in figure 4, the system bag
Include：
Processor 41, enters the rate of change of pipe temperature for obtaining in unit, and by rate of change and default rate of change
It is compared.
Controller 43, it is connected with processor 41, if being less than default rate of change for rate of change, control unit enters
Enter the mode of operation that defrosts.
Specifically, above-mentioned unit can be heat pump water-heating machine unit；It is above-mentioned enter pipe temperature can be enter it is finned
The temperature of the branch road of heat exchanger；Above-mentioned rate of change can be variable quantity of the pipe temperature within the unit interval, rate of change
The frosting degree of unit can be reflected；Above-mentioned default rate of change can be the threshold value of the rate of change pre-set, also may be used
To be the threshold value of the rate of change according to determined by current environmental temperature.
In a kind of optional scheme, it can in real time detect and enter pipe temperature in unit, according to entering of detecting of current time
Pipe temperature, initially enter pipe temperature and the run time of unit, obtain entering in unit the rate of change of pipe temperature.Get into
, can be by the rate of change got compared with default rate of change, if change speed after the rate of change of pipe temperature
Rate is less than default rate of change, it is determined that unit now needs to defrost, and control unit enters defrosting mode of operation.
According to the above embodiment of the present invention, the rate of change for entering pipe temperature in unit is obtained, rate of change is become with default
Change speed to be compared, if rate of change is less than default rate of change, control unit enters defrosting mode of operation, realizes inspection
The purpose whether unit needs to be defrosted is surveyed, the operational efficiency of unit at low ambient temperatures is at utmost improved so as to reach
Technique effect, and then solve unit in the prior art and run meeting frosting at low ambient temperatures, reduce the skill of unit operation efficiency
Art problem.
Alternatively, in the above embodiment of the present invention, processor 41, which is additionally operable to obtain in unit, enters pipe temperature, and according to entering
Pipe temperature and initially enter pipe temperature, obtain rate of change.
Alternatively, in the above embodiment of the present invention, processor 41 is additionally operable to obtain the first run time of unit, calculates
Enter pipe temperature and initially enter the difference of pipe temperature, obtain temperature difference, and calculate the ratio of temperature difference and the first run time, obtain
Rate of change.
Alternatively, in the above embodiment of the present invention, processor 41 is additionally operable to judge whether unit meets preparatory condition, such as
Fruit unit meets preparatory condition, then when obtaining the second run time of unit, and judging whether the second run time reaches default
Between, if the second run time reaches preset time, obtain in unit and enter pipe temperature, initially entered pipe temperature, wherein, in advance
If condition includes one of following：Operation is first powered on, and exits normal operation after defrosting mode of operation.
Alternatively, in the above embodiment of the present invention, the system also includes：Temperature-detecting device, it is arranged on changing for unit
On the branch road of hot device, it is connected with processor 41, for gathering into pipe temperature.
Alternatively, in the above embodiment of the present invention, processor 41 is additionally operable to obtain the environment temperature residing for unit, and obtains
The rate of change for entering pipe temperature corresponding to environment temperature is taken, the rate of change of pipe temperature will be entered corresponding to environment temperature as default
Rate of change.
Alternatively, in the above embodiment of the present invention, processor 41 is additionally operable to obtain the rate of change table of comparisons, determines environment
First environment temperature range corresponding to temperature, and rate of change corresponding to obtaining first environment temperature range, obtain environment temperature
It is corresponding enter pipe temperature rate of change, wherein, the rate of change table of comparisons includes：Multiple environment temperature sections and each environment temperature
Enter the rate of change of pipe temperature corresponding to degree section.
Alternatively, in the above embodiment of the present invention, if processor 41 is additionally operable to rate of change and is more than or equal to default become
Change speed, then obtain the current operation mode of unit, controller 43 is additionally operable to control unit to continue to transport according to current operation mode
OK.
Embodiment 4
According to embodiments of the present invention, there is provided a kind of embodiment of storage medium, storage medium include the program of storage, its
In, control equipment where storage medium to perform the control method of the unit in above-described embodiment 1 when program is run.
Embodiment 5
According to embodiments of the present invention, there is provided a kind of embodiment of processor, processor are used for operation program, wherein, journey
The control method of the unit in above-described embodiment 1 is performed during sort run.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in some embodiment
The part of detailed description, it may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, others can be passed through
Mode is realized.Wherein, device embodiment described above is only schematical, such as the division of the unit, Ke Yiwei
A kind of division of logic function, can there is an other dividing mode when actually realizing, for example, multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module
Connect, can be electrical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use
When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part to be contributed in other words to prior art or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are causing a computer
Equipment (can be personal computer, server or network equipment etc.) perform each embodiment methods described of the present invention whole or
Part steps.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes
Medium.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (12)
- A kind of 1. control method of unit, it is characterised in that including：Obtain the rate of change for entering pipe temperature in unit；By the rate of change compared with default rate of change；If the rate of change is less than the default rate of change, the unit is controlled to enter defrosting mode of operation.
- 2. according to the method for claim 1, it is characterised in that the rate of change for entering pipe temperature in unit is obtained, including：Obtain and enter pipe temperature in the unit；According to it is described enter pipe temperature and initially enter pipe temperature, obtain the rate of change.
- 3. according to the method for claim 2, it is characterised in that according to it is described enter pipe temperature and initially enter pipe temperature, obtain The rate of change, including：Obtain the first run time of the unit；Enter pipe temperature and the difference for initially entering pipe temperature described in calculating, obtain temperature difference；The ratio of the temperature difference and first run time is calculated, obtains the rate of change.
- 4. according to the method for claim 2, it is characterised in that before pipe temperature is entered in obtaining the unit, the side Method also includes：Judge whether the unit meets preparatory condition, wherein, the preparatory condition includes one of following：First power on operation, And exit normal operation after the defrosting mode of operation；If the unit meets the preparatory condition, the second run time of the unit is obtained；Judge whether second run time reaches preset time；If second run time reaches preset time, obtain and enter pipe temperature described in the unit, obtain described first Begin into pipe temperature.
- 5. according to the method for claim 2, it is characterised in that obtain and enter pipe temperature in the unit, including：Obtain that temperature-detecting device collects it is described enter pipe temperature, wherein, the temperature-detecting device is arranged on the unit Heat exchanger branch road on.
- 6. according to the method for claim 1, it is characterised in that compared by the rate of change and default rate of change Than before, methods described also includes：Obtain the environment temperature residing for the unit；Obtain the rate of change for entering pipe temperature corresponding to the environment temperature；The rate of change of pipe temperature will be entered corresponding to the environment temperature as the default rate of change.
- 7. according to the method for claim 6, it is characterised in that obtain the change for entering pipe temperature corresponding to the environment temperature Speed, including：The rate of change table of comparisons is obtained, wherein, the rate of change table of comparisons includes：Multiple environment temperature sections and each environment Enter the rate of change of pipe temperature corresponding to temperature range；Determine first environment temperature range corresponding to the environment temperature；Rate of change corresponding to obtaining the first environment temperature range, obtain entering corresponding to the environment temperature change of pipe temperature Change speed.
- 8. according to the method for claim 1, it is characterised in that compared by the rate of change and default rate of change After relatively, methods described also includes：If the rate of change is more than or equal to the default rate of change, the current operation mode of the unit is obtained；Control the unit to be continued to run with according to the current operation mode, and return to the change for performing and obtaining and entering pipe temperature in unit The step of changing speed.
- A kind of 9. control device of unit, it is characterised in that including：Acquisition module, enter the rate of change of pipe temperature in unit for obtaining；Comparison module, for by the rate of change compared with default rate of change；Control module, if being less than the default rate of change for the rate of change, the unit is controlled to enter defrosting Mode of operation.
- A kind of 10. control system of unit, it is characterised in that including：Processor, enter the rate of change of pipe temperature in unit for obtaining, and the rate of change and default rate of change are entered Row compares；Controller, it is connected with the processor, if being less than the default rate of change for the rate of change, controls institute State unit and enter defrosting mode of operation.
- A kind of 11. storage medium, it is characterised in that the storage medium includes the program of storage, wherein, run in described program When control the storage medium where unit in equipment perform claim requirement 1 to 8 described in any one control method.
- A kind of 12. processor, it is characterised in that the processor is used for operation program, wherein, right of execution when described program is run Profit requires the control method of the unit described in any one in 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710443747.8A CN107388656A (en) | 2017-06-13 | 2017-06-13 | The control method of unit, apparatus and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710443747.8A CN107388656A (en) | 2017-06-13 | 2017-06-13 | The control method of unit, apparatus and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107388656A true CN107388656A (en) | 2017-11-24 |
Family
ID=60332857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710443747.8A Pending CN107388656A (en) | 2017-06-13 | 2017-06-13 | The control method of unit, apparatus and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107388656A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10246543A (en) * | 1997-02-28 | 1998-09-14 | Fujitsu General Ltd | Controlling method for air conditioner |
| CN104930674A (en) * | 2015-05-14 | 2015-09-23 | 珠海格力电器股份有限公司 | Defrosting control method and defrosting control device for outdoor unit of air conditioning unit as well as air conditioning system |
| CN105115209A (en) * | 2015-09-23 | 2015-12-02 | 广东美的暖通设备有限公司 | Air cooled heat pump cold and hot water unit and defrosting control method thereof |
| CN105135774A (en) * | 2015-09-23 | 2015-12-09 | 广东美的暖通设备有限公司 | Air cooled heat pump water chiller-heater unit and defrosting control method thereof |
| CN106352599A (en) * | 2016-09-22 | 2017-01-25 | 芜湖美智空调设备有限公司 | Defrosting control method, defrosting control device and heat pump type air conditioner |
| CN106766435A (en) * | 2015-11-20 | 2017-05-31 | 青岛海尔新能源电器有限公司 | A kind of suction temperature controls the control method and water heater of air source heat pump defrosting |
-
2017
- 2017-06-13 CN CN201710443747.8A patent/CN107388656A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10246543A (en) * | 1997-02-28 | 1998-09-14 | Fujitsu General Ltd | Controlling method for air conditioner |
| CN104930674A (en) * | 2015-05-14 | 2015-09-23 | 珠海格力电器股份有限公司 | Defrosting control method and defrosting control device for outdoor unit of air conditioning unit as well as air conditioning system |
| CN105115209A (en) * | 2015-09-23 | 2015-12-02 | 广东美的暖通设备有限公司 | Air cooled heat pump cold and hot water unit and defrosting control method thereof |
| CN105135774A (en) * | 2015-09-23 | 2015-12-09 | 广东美的暖通设备有限公司 | Air cooled heat pump water chiller-heater unit and defrosting control method thereof |
| CN106766435A (en) * | 2015-11-20 | 2017-05-31 | 青岛海尔新能源电器有限公司 | A kind of suction temperature controls the control method and water heater of air source heat pump defrosting |
| CN106352599A (en) * | 2016-09-22 | 2017-01-25 | 芜湖美智空调设备有限公司 | Defrosting control method, defrosting control device and heat pump type air conditioner |
Non-Patent Citations (1)
| Title |
|---|
| 王成生: "热泵空调器结霜工况下动态特性的理论与实验研究", 《中国优秀硕士学位论文全文数据库》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105135629B (en) | Air conditioner defrosting control method and air conditioner | |
| CN107270600B (en) | A kind of detection method, device and heat pump unit that four-way valve commutation is abnormal | |
| CN102759237B (en) | Heat pump type air conditioner, and defrosting control method and defrosting control device thereof | |
| CN105157292B (en) | The control method for electronic expansion valve and device of air-cooled screw unit | |
| CN105157087B (en) | The control method and device of source pump | |
| CN109539501A (en) | A kind of air conditioning control method, device, storage medium and air-conditioning | |
| CN110715401B (en) | Defrosting control method and device for air conditioning equipment, medium and air conditioning equipment | |
| CN104534810B (en) | Control method and device of refrigerator compressor and refrigerator | |
| CN110056981A (en) | A kind of heat-exchanging component, air-conditioner outdoor unit and its control method | |
| CN104214885A (en) | Air-conditioner defrosting control method and device and air-conditioner | |
| CN108679781A (en) | A kind of air-conditioner defrosting control method, device, storage medium and air-conditioning | |
| CN105258289A (en) | Method and device for controlling running of compressor and system | |
| CN112628942B (en) | Defrosting control method and device, storage medium and terminal | |
| CN107144054A (en) | The aperture control method and device of electric expansion valve | |
| CN107676936A (en) | The control method and device of air-conditioning equipment | |
| CN104566820A (en) | Air conditioner, air conditioner control method and air conditioner control device | |
| CN107906808A (en) | A kind of method and device of air-conditioner defrosting control | |
| CN103940163A (en) | Defrosting control method and device | |
| CN106196784A (en) | Convertible frequency air-conditioner Active Control Method and device | |
| CN106352599A (en) | Defrosting control method, defrosting control device and heat pump type air conditioner | |
| CN104567268B (en) | The method for controlling fan electromotor of refrigerator, device and refrigerator | |
| CN106969595A (en) | A kind of refrigerator loads control and monitoring system | |
| CN109210701A (en) | A kind of air conditioner management method, system and computer readable storage medium | |
| CN108151231A (en) | Defrosting control method, defrosting control device and air conditioner | |
| CN108131792A (en) | Air conditioner and its control method, device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171124 |
|
| RJ01 | Rejection of invention patent application after publication |