CN110173820A - A kind of air-conditioner defrosting control method and device - Google Patents
A kind of air-conditioner defrosting control method and device Download PDFInfo
- Publication number
- CN110173820A CN110173820A CN201910423040.XA CN201910423040A CN110173820A CN 110173820 A CN110173820 A CN 110173820A CN 201910423040 A CN201910423040 A CN 201910423040A CN 110173820 A CN110173820 A CN 110173820A
- Authority
- CN
- China
- Prior art keywords
- defrosting
- value
- indoor
- unit
- mark
- 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.)
- Granted
Links
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
- F24F11/41—Defrosting; Preventing freezing
- F24F11/42—Defrosting; Preventing freezing of outdoor units
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention provides a kind of air-conditioner defrosting control method and device, this method comprises: indoor unit receives the defrosting mark that outdoor unit is sent；For the value characterization of defrosting mark when defrosting, pause, which executes inner disc breakdown judge process, simultaneously terminates current process, when the normal heating of the value characterization for the mark that defrosts, starts timing and when timing duration reaches pre-set buffer duration, continues to execute inner disc breakdown judge process；Wherein, inner disc breakdown judge process includes: the indoor coil pipe value for obtaining indoor coil pipe sensor and reading；When indoor coil pipe value is not located at the indoor coil normal temperature range pre-set, inner disc failure notification signal is sent to outdoor unit.Due to not executing sensor fault judgement in defrosting, therefore it can guarantee that defrosting process is not disrupted.Therefore, this programme can guarantee that defrosting process normally completes, in order to avoid influence heating effect.
Description
Technical field
The present invention relates to electronic technology field, in particular to a kind of air-conditioner defrosting control method and device.
Background technique
Air conditioner includes indoor unit and outdoor unit, and the temperature that unit control system can be perceived according to sensor carries out compressor
The control of starting and frequency reducing, indoor unit and outdoor unit carry out energy exchange by system pipeline, to realize the basic training of air conditioner
Energy.In a heating mode, it defrosts when meeting certain condition.But when entering defrosting, inner disc temperature change dramatically can
It can exceed that the temperature range of sensor.
Currently, shutting down report failure as long as being more than temperature range.In this way, defrosting process can not normally complete, influence to heat
Effect.
Summary of the invention
The present invention provides a kind of air-conditioner defrosting control method and device, it can guarantee that defrosting process normally completes, in order to avoid
Influence heating effect.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
In a first aspect, being applied to indoor unit the present invention provides a kind of air-conditioner defrosting control method, comprising:
S1: the defrosting mark that outdoor unit is sent is received；
S2: determining that the value of the defrosting mark executes S3 when the value characterization of the defrosting mark is defrosting, described to remove
When the value characterization of frost mark normally heats, S4 is executed；
S3: pause executes the inner disc breakdown judge process pre-set, and terminates current process；
S4: the first timer of triggering starts timing, and is determining that the timing duration of first timer reaches preparatory
When the buffering duration set, the inner disc breakdown judge process is continued to execute；
Wherein, the inner disc breakdown judge process includes: the indoor coil for obtaining indoor coil pipe sensor and reading
Temperature value；When the indoor coil pipe value is not located at the indoor coil normal temperature range pre-set, to the outdoor
Machine sends inner disc failure notification signal.
Further, the value of the buffering duration is located in [10s, 30s] value range.
Further, the indoor coil normal temperature range is [- 35 DEG C, 80 DEG C].
Second aspect, the present invention provides a kind of air-conditioner defrosting control methods, are applied to outdoor unit, comprising:
When receiving externally input heating instruction, run with heating mode；
Under the heating mode, when monitoring that running state of air conditioner meets the defrosting condition pre-set, execute
Defrosting processing, and defrosting mark is sent to indoor unit, and the value characterization for the mark that defrosts is defrosting；
When completing defrosting processing, continue with heating mode operation, and send defrosting mark to the indoor unit,
And the normal heating of value characterization of defrosting mark；
Under the heating mode, when receiving the inner disc failure notification signal that the indoor unit is sent, shutdown is executed
Protection processing.
Further, execute it is described run with heating mode when, further comprise: triggering second timer starts
Timing；
It is described when monitor running state of air conditioner meet pre-set defrosting condition when, execute defrosting processing, comprising:
When monitoring that the timing duration of second timer reaches the heating duration pre-set, continue current process；
Periodically acquire the corresponding indoor coil pipe value of the indoor unit and indoor temperature value；When monitoring the indoor coil pipe
Value is not more than the first preset temperature value, and the difference of the indoor coil pipe value and the indoor temperature value is pre- no more than second
If when temperature value, executing defrosting processing.
Further, the execution defrosting processing, comprising: control indoor fan and outdoor fan are turned off, and with refrigeration
Mode operation；Under the refrigeration mode, the outdoor fan starting is controlled, to execute defrosting processing；
When the completion defrosting is handled, continue with heating mode operation, comprising: when monitoring the refrigeration mould
When the duration of formula reaches the refrigeration duration pre-set, controls the outdoor fan and close；With the heating mould
Formula operation controls the outdoor fan starting；It is set in advance when monitoring that the corresponding indoor coil pipe value of the indoor unit is located at
When the indoor coil normal temperature range set, the indoor fan starting is controlled.
The third aspect, the present invention provides a kind of indoor units, comprising:
First receiving unit, the defrosting mark sent for receiving outdoor unit；
Judging unit, for determining the value of the defrosting mark, the value characterization of the defrosting mark is being when defrosting, to the
One processing unit sends the first trigger signal, when the value of the defrosting mark characterizes normal heating, Xiang Suoshu first processing units
Send the second trigger signal；
The first processing units, for when receiving first trigger signal, pause execution to be pre-set
Inner disc breakdown judge process, and terminate；When receiving second trigger signal, the first timer of triggering starts timing, and
When determining that the timing duration of first timer reaches the buffering duration pre-set, the inner disc event is continued to execute
Barrier judges process；Wherein, the inner disc breakdown judge process includes: the indoor disk for obtaining indoor coil pipe sensor and reading
Tube temperature angle value；When the indoor coil pipe value is not located at the indoor coil normal temperature range pre-set, the room Xiang Suoshu
Outer machine sends inner disc failure notification signal.
Further, the value of the buffering duration is located in [10s, 30s] value range.
Further, the indoor coil normal temperature range is [- 35 DEG C, 80 DEG C].
Fourth aspect, the present invention provides a kind of outdoor units, comprising:
Second receiving unit, for triggering the second processing unit when receiving externally input heating instruction；
Described the second processing unit is run for triggering through second receiving unit with heating mode；In the heating
Under mode, when monitoring that running state of air conditioner meets the defrosting condition pre-set, defrosting processing is executed, and to indoor unit
Defrosting mark is sent, and the value characterization for the mark that defrosts is defrosting；When completing defrosting processing, continue with the heating mode
Operation, and defrosting mark is sent to the indoor unit, and the normal heating of value characterization for the mark that defrosts；Through the third receiving unit
Triggering executes stoppage protection processing；
Third receiving unit, under the heating mode, the inner disc failure that the indoor unit is sent to be logical when receiving
When knowing signal, described the second processing unit is triggered.
Further, described the second processing unit when for being run with heating mode, being triggered second timer and started
Timing；Under the heating mode, monitoring that the timing duration of second timer reaches the heating pre-set and hold
When continuous duration, continue；Periodically acquire the corresponding indoor coil pipe value of the indoor unit and indoor temperature value；When monitoring
It states indoor coil pipe value and is not more than the first preset temperature value, and the difference of the indoor coil pipe value and the indoor temperature value
When value is no more than the second preset temperature value, defrosting processing is executed.
Further, described the second processing unit is turned off for controlling indoor fan and outdoor fan, and with the mould that freezes
Formula operation；Under the refrigeration mode, the outdoor fan starting is controlled, to execute defrosting processing；When monitoring the refrigeration
When the duration of mode reaches the refrigeration duration pre-set, controls the outdoor fan and close；With the heating
Mode operation controls the outdoor fan starting；When monitoring that it is preparatory that the corresponding indoor coil pipe value of the indoor unit is located at
When the indoor coil normal temperature range set, the indoor fan starting is controlled.
The present invention provides a kind of air-conditioner defrosting control method and device, this method comprises: indoor unit receives outdoor unit hair
The defrosting mark come；When the value characterization of defrosting mark is defrosting, pause executes inner disc breakdown judge process and terminates current stream
Journey when the normal heating of the value characterization for the mark that defrosts, starts timing and when timing duration reaches pre-set buffer duration, continues to execute
Inner disc breakdown judge process；Wherein, inner disc breakdown judge process includes: the interior for obtaining indoor coil pipe sensor and reading
Coil temperature value；When indoor coil pipe value is not located at the indoor coil normal temperature range pre-set, sent out to outdoor unit
Send inner disc failure notification signal.Due to not executing sensor fault judgement in defrosting, therefore it can guarantee that defrosting process is not disrupted.
Therefore, the present invention can guarantee that defrosting process normally completes, in order to avoid influence heating effect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of flow chart for air-conditioner defrosting control method that one embodiment of the invention provides；
Fig. 2 is the flow chart for another air-conditioner defrosting control method that one embodiment of the invention provides；
Fig. 3 is the flow chart for another air-conditioner defrosting control method that one embodiment of the invention provides；
Fig. 4 is a kind of schematic diagram for indoor unit that one embodiment of the invention provides；
Fig. 5 is a kind of schematic diagram for outdoor unit that one embodiment of the invention provides.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments, based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, being applied to indoor unit the embodiment of the invention provides a kind of air-conditioner defrosting control method, can wrap
Include following steps:
Step 101: receiving the defrosting mark that outdoor unit is sent.
Step 102: determining that the value of the defrosting mark executes step when the value characterization of the defrosting mark is defrosting
103, when the value characterization of the defrosting mark normally heats, execute step 104.
Step 103: pause executes the inner disc breakdown judge process pre-set, and terminates current process.
Step 104: the first timer of triggering starts timing, and is determining that the timing duration of first timer reaches
When the buffering duration pre-set, the inner disc breakdown judge process is continued to execute；
Wherein, the inner disc breakdown judge process includes: the indoor coil for obtaining indoor coil pipe sensor and reading
Temperature value；When the indoor coil pipe value is not located at the indoor coil normal temperature range pre-set, to the outdoor
Machine sends inner disc failure notification signal.
The embodiment of the invention provides a kind of air-conditioner defrosting control methods, this method comprises: indoor unit receives outdoor unit hair
The defrosting mark come；When the value characterization of defrosting mark is defrosting, pause executes inner disc breakdown judge process and terminates current stream
Journey when the normal heating of the value characterization for the mark that defrosts, starts timing and when timing duration reaches pre-set buffer duration, continues to execute
Inner disc breakdown judge process；Wherein, inner disc breakdown judge process includes: the interior for obtaining indoor coil pipe sensor and reading
Coil temperature value；When indoor coil pipe value is not located at the indoor coil normal temperature range pre-set, sent out to outdoor unit
Send inner disc failure notification signal.Due to not executing sensor fault judgement in defrosting, therefore it can guarantee that defrosting process is not disrupted.
Therefore, the embodiment of the present invention can guarantee that defrosting process normally completes, in order to avoid influence heating effect.
In detail, the embodiment of the present invention can be suitble to the coil temperature of commercial big multi-joint indoor unit, embedded air-conditioner indoor set
Judge treatment mechanism.
In detail, outdoor unit would generally execute in a heating mode defrosting processing, and defrosting processing start when and end
When, real-time informing indoor unit.It specifically, can be by defrosting mark to notify indoor unit.For example, defrosting mark can for 0 or
1,0, which can characterize outdoor unit, normally heats, and 1, which can characterize outdoor unit, is defrosting.
In this way, indoor unit can to decide whether to execute inner disc breakdown judge stream in real time according to the defrosting mark received
Journey.When due to executing inner disc breakdown judge process, exists and send inner disc failure notification signal to outdoor unit so that outdoor unit executes
The possibility of stoppage protection, thus for guarantee defrosting process complete execution, can during defrosting and defrosting after one section when
In, pause executes this inner disc breakdown judge process.
Defrost in step 102 mark the normal heating of value characterization when, i.e., it is believed that defrosting has terminated and started to heat mould
Formula, the timing therefore the first timer that can trigger inside is started from scratch.First timer is up to the corresponding meter of pre-set buffer duration
When numerical value, the processing unit of indoor unit can be notified, in this way, processing unit can continue to execute inner disc breakdown judge process, to protect
The inner disc failure of card heating mode normally monitors.
In detail, heating initial stage after defrosting, inner disc temperature can undergo a gradual change self-healing procedure, therefore not examine usually
Consider the inner disc temperature in this period.In this way, can the time according to used in this progressive formation historical experience value, on determining
State buffering duration.
Based on this, in an embodiment of the invention, the value of the buffering duration is located in [10s, 30s] value range.
For example, the value of this buffering duration can be 20s.
It under normal conditions, can be according to the self-characteristic of air-conditioning practival operating condition and indoor coil, to determine above-mentioned interior
Coil pipe normal temperature range.Based on this, in an embodiment of the invention, the indoor coil normal temperature range is [- 35
DEG C, 80 DEG C].
As shown in Fig. 2, being applied to outdoor unit the embodiment of the invention provides a kind of air-conditioner defrosting control method, can wrap
Include following steps:
Step 201: when receiving externally input heating instruction, being run with heating mode.
Step 202: under the heating mode, when the defrosting condition for monitoring that running state of air conditioner satisfaction is pre-set
When, defrosting processing is executed, and send defrosting mark to indoor unit, and the value characterization for the mark that defrosts is defrosting.
Step 203: when completing defrosting processing, continuing with heating mode operation, and sent to the indoor unit
Defrosting mark, and the normal heating of value characterization for the mark that defrosts.
Step 204: under the heating mode, when receiving the inner disc failure notification signal that the indoor unit is sent,
Execute stoppage protection processing.
In detail, when user manipulates air-conditioning remote control to issue heating request, air-conditioning remote control can be by heating instruction through room
Interior machine is to be sent to outdoor unit.When outdoor unit runs heating mode, can be with real-time or periodically monitoring according to defrosting condition
It is no to need to defrost, and corresponding defrosting mark is sent at the end of executing defrosting and defrosting.
In addition, please refer to the above-mentioned air-conditioner defrosting control method applied to indoor unit, due to indoor unit during defrosting and
Heating initial stage after defrosting does not execute inner disc breakdown judge process, therefore outdoor unit during this period usually will not be because of the super model of inner disc temperature
It encloses and shuts down, to guarantee that defrosting process completely executes as far as possible.But, when outdoor unit operation heating mode, once it is indoor
Coil pipe failure can be executed normally and stop protection processing.
In an embodiment of the invention, execute it is described run with heating mode when, further comprise: triggering described the
Two timers start timing；
It is described when monitor running state of air conditioner meet pre-set defrosting condition when, execute defrosting processing, comprising:
When monitoring that the timing duration of second timer reaches the heating duration pre-set, continue current process；
Periodically acquire the corresponding indoor coil pipe value of the indoor unit and indoor temperature value；When monitoring the indoor coil pipe
Value is not more than the first preset temperature value, and the difference of the indoor coil pipe value and the indoor temperature value is pre- no more than second
If when temperature value, executing defrosting processing.
In detail, outdoor unit starts to start timing when heating, in this way, when this timing duration can reflect compressor operation
Between.Compressor operating time is longer, and due to producing a large amount of high pressure gaseous refrigerants, therefore inner disc temperature is usually higher.In this way,
Can be after compressor run a period of time, then start to monitor whether necessity in the presence of defrosting, to reduce some unnecessary remove
The processing pressure of processing chip is alleviated in white policer operation.
It under normal conditions, can be according to the historical law between compressor operating time and inner disc temperature change, in setting
State heating duration, for example can be set to 10min, 20min etc..
In detail, when indoor coil pipe value declines, illustrate that the heat transfer rate of air conditioner is declining, be often as outdoor unit
Surface occurs caused by frosting.
In detail, the difference of indoor coil pipe value and indoor temperature value is smaller, i.e., the two is closer, illustrates inner disc temperature
There is no lose amount of heat because room temperature is too low.
But, it equally will cause the decline of inner disc temperature since room temperature is too low, but heat transfer rate at this time does not perhaps decline, room
Frosting does not also occur for outer machine, therefore merely according to the reduction of inner disc temperature and when execution defrosting, it can be operated in the presence of accidentally defrosting, to draw
Sending out heating effect reduces.Therefore, in the embodiment of the present invention, above-mentioned difference and indoor coil pipe value can be comprehensively considered, come true
Whether fixed defrosting, so as to avoid the operation that accidentally defrosts.
In the embodiment of the present invention, above-mentioned first preset temperature value and the second default temperature can be equally determined based on experience value
Angle value.For example, the first preset temperature value can be in [25 DEG C, 60 DEG C], the second preset temperature value can be in [1 DEG C, 15 DEG C].
In an embodiment of the invention, the execution defrosting processing, comprising: control indoor fan and outdoor fan close
It closes, and runs in a chiller mode；Under the refrigeration mode, the outdoor fan starting is controlled, to execute defrosting processing；
When the completion defrosting is handled, continue with heating mode operation, comprising: when monitoring the refrigeration mould
When the duration of formula reaches the refrigeration duration pre-set, controls the outdoor fan and close；With the heating mould
Formula operation controls the outdoor fan starting；It is set in advance when monitoring that the corresponding indoor coil pipe value of the indoor unit is located at
When the indoor coil normal temperature range set, the indoor fan starting is controlled.
In detail, heating mode this under the premise of, execute defrosting processing when, can will operation heating mode be converted to fortune
Row refrigeration mode, to invert refrigerant flow direction, so as to realize defrosting using heat exchange method.After the completion of defrosting, extensive
Heating mode is run again.
As shown in figure 3, may comprise steps of the embodiment of the invention provides another air-conditioner defrosting control method:
Step 301: outdoor unit is run when receiving externally input heating instruction with heating mode.
Step 302: outdoor unit in a heating mode, when monitor running state of air conditioner meet pre-set except ice-lolly
When part, execute defrosting processing, and send defrosting mark to indoor unit: 1,1 characterization is defrosting.
Under the heating state that is switched on, outdoor heat transfer to interior is improved room temperature by compressor of outdoor unit work,
When meeting defrosting condition, unit enters defrosting.
Into after defrosting, four-way Vavle switching is equivalent to and freezes, and the temperature of indoor condenser can pass through indoor coil temperature
It spends sensor and carries out temperature judgement.
Step 303: the defrosting mark that indoor unit reception outdoor unit is sent: 1, pause executes the inner disc failure pre-set
Judge process, wherein inner disc breakdown judge process includes: the indoor coil pipe for obtaining indoor coil pipe sensor and reading
Value, indoor coil pipe value be not located at [- 35 DEG C, 80 DEG C] it is interior when, to outdoor unit send inner disc failure notification signal.
Step 304: when outdoor unit completes defrosting processing, continuation is run with heating mode, and sends defrosting mark to indoor unit
Will: the normal heating of 0,0 characterization.
Step 305: indoor unit receives the defrosting mark sent of outdoor unit: 0, the first timer of triggering starts timing, and
When determining that the timing duration of the first timer reaches 20s, inner disc breakdown judge process is continued to execute.
In the embodiment of the present invention, defrosting mark is judged, if mark is 1, do not judge indoor coil pipe failure, defrost
It can be normally carried out；After defrosting mark becomes 0 from 1, inner disc temperature can normally rise, and can enter after delay 20 seconds normal
Sensor fault judgement guarantees that defrosting process is not disrupted.
Step 306: indoor unit when executing inner disc breakdown judge process, when monitor not be located at [- 35 DEG C, 80 DEG C] in
When indoor coil pipe value, inner disc failure notification signal is sent to outdoor unit.
Step 307: outdoor unit in a heating mode, when receiving the inner disc failure notification signal that indoor unit is sent, is held
The processing of row stoppage protection.
In the embodiment of the present invention, if not having inner disc temperature fault, unit operates normally heating and defrosting；If there is inner disc
Temperature fault, into stoppage protection unit.
In detail, multi-gang air-conditioner control system may include an at least outdoor unit and at least one indoor unit, interior
Between machine and outdoor unit transmitting control instruction and parameter can be communicated by HH1192.Embedded type air conditioner control system may include one
Outdoor unit and indoor unit can be communicated by RS485 between indoor unit and outdoor unit and carry out data exchange and control.
Indoor unit and outdoor unit in the embodiment of the present invention can be multi-gang air-conditioner control system or embedded type air conditioner control
Indoor unit and outdoor unit in system processed, so that the embodiment of the present invention is applicable to these two types of air-conditioner control systems, so that central
Complete defrosting can be achieved in the commercial big multi-joint, embedded type air conditioner of air-conditioning, improves failure handling mechanisms.
As shown in figure 4, one embodiment of the invention provides a kind of indoor unit, may include:
First receiving unit 401, the defrosting mark sent for receiving outdoor unit；
Judging unit 402, for determining the value of the defrosting mark, when the value characterization of the defrosting mark is defrosting,
The first trigger signal is sent to first processing units 403, when the value of the defrosting mark characterizes normal heating, at Xiang Suoshu first
It manages unit 403 and sends the second trigger signal；
The first processing units 403, for when receiving first trigger signal, pause to be executed and pre-set
Inner disc breakdown judge process, and terminate；When receiving second trigger signal, the first timer of triggering starts timing,
And when determining that the timing duration of first timer reaches the buffering duration pre-set, the inner disc is continued to execute
Breakdown judge process；Wherein, the inner disc breakdown judge process includes: the interior for obtaining indoor coil pipe sensor and reading
Coil temperature value；When the indoor coil pipe value is not located at the indoor coil normal temperature range pre-set, Xiang Suoshu
Outdoor unit sends inner disc failure notification signal.
In an embodiment of the invention, the value of the buffering duration is located in [10s, 30s] value range.
In an embodiment of the invention, the indoor coil normal temperature range is [- 35 DEG C, 80 DEG C].
As shown in figure 5, one embodiment of the invention provides a kind of outdoor unit, may include:
Second receiving unit 501, for triggering the second processing unit 502 when receiving externally input heating instruction；
Described the second processing unit 502 is run for triggering through second receiving unit 501 with heating mode；Institute
It states under heating mode, when monitoring that running state of air conditioner meets the defrosting condition pre-set, executes defrosting and handle, and to
Indoor unit sends defrosting mark, and the value characterization for the mark that defrosts is defrosting；When completing defrosting processing, continue with the system
Heat pattern operation, and defrosting mark is sent to the indoor unit, and the normal heating of value characterization for the mark that defrosts；It is connect through the third
It receives unit 503 to trigger, executes stoppage protection processing；
Third receiving unit 503, under the heating mode, when the inner disc failure for receiving the indoor unit and sending
When notification signal, described the second processing unit 502 is triggered.
In an embodiment of the invention, described the second processing unit 502 when for running with heating mode, triggers institute
It states the second timer and starts timing；Under the heating mode, reach pre- in the timing duration for monitoring second timer
When the heating duration first set, continue；Periodically acquire the corresponding indoor coil pipe value of the indoor unit and interior
Temperature value；When monitor the indoor coil pipe value no more than the first preset temperature value, and the indoor coil pipe value and
When the difference of the indoor temperature value is not more than the second preset temperature value, defrosting processing is executed.
In an embodiment of the invention, described the second processing unit 502, it is equal for controlling indoor fan and outdoor fan
It closes, and runs in a chiller mode；Under the refrigeration mode, the outdoor fan starting is controlled, to execute defrosting processing；When
When monitoring that the duration of the refrigeration mode reaches the refrigeration duration pre-set, controls the outdoor fan and close
It closes；With heating mode operation, the outdoor fan starting is controlled；When monitoring the corresponding indoor coil temperature of the indoor unit
When angle value is located at the indoor coil normal temperature range pre-set, the indoor fan starting is controlled.
The contents such as the information exchange between each unit, implementation procedure in above-mentioned apparatus, due to implementing with the method for the present invention
Example is based on same design, and for details, please refer to the description in the embodiment of the method for the present invention, and details are not described herein again.
In conclusion the embodiment of the present invention have it is at least following the utility model has the advantages that
1, in the embodiment of the present invention, indoor unit receives the defrosting mark that outdoor unit is sent；The value characterization of defrosting mark is
When defrosting, pause executes inner disc breakdown judge process and terminates current process, when the value characterization for the mark that defrosts normally heats, starts
Timing and when timing duration reaches pre-set buffer duration, continues to execute inner disc breakdown judge process；Wherein, inner disc breakdown judge
Process includes: the indoor coil pipe value for obtaining indoor coil pipe sensor and reading；Indoor coil pipe value is not located at pre-
When the indoor coil normal temperature range first set, inner disc failure notification signal is sent to outdoor unit.Due to defrosting when not
Sensor fault judgement is executed, therefore can guarantee that defrosting process is not disrupted.Therefore, the embodiment of the present invention can guarantee defrosting process
It normally completes, in order to avoid influence heating effect.
It should be noted that, in this document, such as first and second etc relational terms are used merely to an entity
Or operation is distinguished with another entity or operation, is existed without necessarily requiring or implying between these entities or operation
Any actual relationship or order.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-
It is exclusive to include, so that the process, method, article or equipment for including a series of elements not only includes those elements,
It but also including other elements that are not explicitly listed, or further include solid by this process, method, article or equipment
Some elements.In the absence of more restrictions, the element limited by sentence " including one ... ", it is not excluded that wrapping
Include in the process, method, article or equipment of the element that there is also other identical factors.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can store in computer-readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic disk or light
In the various media that can store program code such as disk.
Finally, it should be noted that the foregoing is merely presently preferred embodiments of the present invention, it is merely to illustrate skill of the invention
Art scheme, is not intended to limit the scope of the present invention.Any modification for being made all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., are included within the scope of protection of the present invention.
Claims (10)
1. a kind of air-conditioner defrosting control method, which is characterized in that be applied to indoor unit, comprising:
S1: the defrosting mark that outdoor unit is sent is received；
S2: determining the value of the defrosting mark, when the value characterization of the defrosting mark is defrosting, executes S3, the defrosting mark
When the value characterization of will normally heats, S4 is executed；
S3: pause executes the inner disc breakdown judge process pre-set, and terminates current process；
S4: the first timer of triggering starts timing, and presets determining that the timing duration of first timer reaches
When the buffering duration got well, the inner disc breakdown judge process is continued to execute；
Wherein, the inner disc breakdown judge process includes: the indoor coil pipe for obtaining indoor coil pipe sensor and reading
Value；When the indoor coil pipe value is not located at the indoor coil normal temperature range pre-set, Xiang Suoshu outdoor unit hair
Send inner disc failure notification signal.
2. the method according to claim 1, wherein
The value of the buffering duration is located in [10s, 30s] value range；
And/or
The indoor coil normal temperature range is [- 35 DEG C, 80 DEG C].
3. a kind of air-conditioner defrosting control method, which is characterized in that be applied to outdoor unit, comprising:
When receiving externally input heating instruction, run with heating mode；
Under the heating mode, when monitoring that running state of air conditioner meets the defrosting condition pre-set, defrosting is executed
Processing, and defrosting mark is sent to indoor unit, and the value characterization for the mark that defrosts is defrosting；
When completing defrosting processing, continue with heating mode operation, and sends defrosting mark to the indoor unit, and remove
The normal heating of value characterization of frost mark；
Under the heating mode, when receiving the inner disc failure notification signal that the indoor unit is sent, stoppage protection is executed
Processing.
4. according to the method described in claim 3, it is characterized in that,
Execute it is described run with heating mode when, further comprise: triggering second timer starts timing；
It is described when monitor running state of air conditioner meet pre-set defrosting condition when, execute defrosting processing, comprising: supervising
When measuring the timing duration of second timer and reaching the heating duration pre-set, continue current process；Period
Property obtain the corresponding indoor coil pipe value of the indoor unit and indoor temperature value；When monitoring the indoor coil pipe value not
Greater than the first preset temperature value, and the difference of the indoor coil pipe value and the indoor temperature value is no more than the second default temperature
When angle value, defrosting processing is executed.
5. the method according to claim 3 or 4, which is characterized in that
The execution defrosting processing, comprising: control indoor fan and outdoor fan are turned off, and are run in a chiller mode；Institute
It states under refrigeration mode, controls the outdoor fan starting, to execute defrosting processing；
When the completion defrosting is handled, continue with heating mode operation, comprising: when monitoring the refrigeration mode
When duration reaches the refrigeration duration pre-set, controls the outdoor fan and close；With heating mode fortune
Row controls the outdoor fan starting；It is pre-set when monitoring that the corresponding indoor coil pipe value of the indoor unit is located at
Indoor coil normal temperature range when, control indoor fan starting.
6. a kind of indoor unit characterized by comprising
First receiving unit, the defrosting mark sent for receiving outdoor unit；
Judging unit, for determining the value of the defrosting mark, when the value characterization of the defrosting mark is defrosting, at first
It manages unit and sends the first trigger signal, when the value of the defrosting mark characterizes normal heating, Xiang Suoshu first processing units are sent
Second trigger signal；
The first processing units, for when receiving first trigger signal, pause to execute the inner disc pre-set
Breakdown judge process, and terminate；When receiving second trigger signal, the first timer of triggering starts timing, and true
When making the timing duration of first timer and reaching the buffering duration pre-set, continues to execute the inner disc failure and sentence
Stop journey；Wherein, the inner disc breakdown judge process includes: the indoor coil temperature for obtaining indoor coil pipe sensor and reading
Angle value；When the indoor coil pipe value is not located at the indoor coil normal temperature range pre-set, Xiang Suoshu outdoor unit
Send inner disc failure notification signal.
7. indoor unit according to claim 6, which is characterized in that
The value of the buffering duration is located in [10s, 30s] value range；
And/or
The indoor coil normal temperature range is [- 35 DEG C, 80 DEG C].
8. a kind of outdoor unit characterized by comprising
Second receiving unit, for triggering the second processing unit when receiving externally input heating instruction；
Described the second processing unit is run for triggering through second receiving unit with heating mode；In the heating mode
Under, when monitoring that running state of air conditioner meets the defrosting condition pre-set, defrosting processing is executed, and send to indoor unit
Defrosting mark, and the value characterization for the mark that defrosts is defrosting；When completing defrosting processing, continue with heating mode fortune
Row, and defrosting mark is sent to the indoor unit, and the normal heating of value characterization for the mark that defrosts；It is touched through the third receiving unit
Hair executes stoppage protection processing；
Third receiving unit, for being believed under the heating mode when receiving the inner disc failure notification that the indoor unit is sent
Number when, trigger described the second processing unit.
9. outdoor unit according to claim 8, which is characterized in that
Described the second processing unit when for being run with heating mode, being triggered second timer and starting timing；In the system
Under heat pattern, when monitoring that the timing duration of second timer reaches the heating duration pre-set, continue；
Periodically acquire the corresponding indoor coil pipe value of the indoor unit and indoor temperature value；When monitoring the indoor coil pipe
Value is not more than the first preset temperature value, and the difference of the indoor coil pipe value and the indoor temperature value is pre- no more than second
If when temperature value, executing defrosting processing.
10. outdoor unit according to claim 8 or claim 9, which is characterized in that
Described the second processing unit is turned off for controlling indoor fan and outdoor fan, and runs in a chiller mode；Described
Under refrigeration mode, the outdoor fan starting is controlled, to execute defrosting processing；When the duration for monitoring the refrigeration mode
When reaching the refrigeration duration pre-set, controls the outdoor fan and close；With heating mode operation, institute is controlled
State outdoor fan starting；When monitoring that the corresponding indoor coil pipe value of the indoor unit is located at the indoor coil that pre-sets
When normal temperature range, the indoor fan starting is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910423040.XA CN110173820B (en) | 2019-05-21 | 2019-05-21 | Air conditioner defrosting control method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910423040.XA CN110173820B (en) | 2019-05-21 | 2019-05-21 | Air conditioner defrosting control method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110173820A true CN110173820A (en) | 2019-08-27 |
| CN110173820B CN110173820B (en) | 2020-11-10 |
Family
ID=67691648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910423040.XA Active CN110173820B (en) | 2019-05-21 | 2019-05-21 | Air conditioner defrosting control method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110173820B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006375A (en) * | 2019-12-23 | 2020-04-14 | 四川虹美智能科技有限公司 | Heating anti-freezing control method and device for ground source heat pump unit |
| CN113587520A (en) * | 2021-08-17 | 2021-11-02 | 四川虹美智能科技有限公司 | Refrigerator defrosting system abnormity detection method and device |
| WO2022151470A1 (en) * | 2021-01-18 | 2022-07-21 | 广东芬尼克兹节能设备有限公司 | Heat pump defrosting control method and apparatus, device, and storage medium |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5186016A (en) * | 1990-11-06 | 1993-02-16 | Kabushiki Kaisha Toshiba | Defrosting control method and apparatus for air conditioner |
| CN101509692A (en) * | 2009-03-16 | 2009-08-19 | 宁波海诚电器有限公司 | Antifreezing control method of air conditioner evaporator |
| CN102538149A (en) * | 2012-03-07 | 2012-07-04 | 广东志高空调有限公司 | Overheat protection control method and overheat protection control device for air conditioner |
| CN104019531A (en) * | 2014-05-30 | 2014-09-03 | 广东美的制冷设备有限公司 | Defrosting method of air-conditioner and air-conditioner |
| CN104142001A (en) * | 2013-05-09 | 2014-11-12 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| US20150047375A1 (en) * | 2013-08-13 | 2015-02-19 | Lennox Industries Inc. | Defrost operation management in heat pumps |
| CN104374049A (en) * | 2014-10-29 | 2015-02-25 | 广东美的制冷设备有限公司 | Control method for air-conditioner, control device for air-conditioner and air-conditioner |
| CN104748465A (en) * | 2013-12-27 | 2015-07-01 | 广东美的制冷设备有限公司 | Air conditioner defrosting control method, air conditioner defrosting control device and air conditioner |
| CN105115111A (en) * | 2015-09-18 | 2015-12-02 | 广东美的制冷设备有限公司 | Air conditioner indoor unit and detection method for temperature sensing bulb of air conditioner indoor unit |
| CN105849485A (en) * | 2014-02-28 | 2016-08-10 | 夏普株式会社 | Refrigerator |
-
2019
- 2019-05-21 CN CN201910423040.XA patent/CN110173820B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5186016A (en) * | 1990-11-06 | 1993-02-16 | Kabushiki Kaisha Toshiba | Defrosting control method and apparatus for air conditioner |
| CN101509692A (en) * | 2009-03-16 | 2009-08-19 | 宁波海诚电器有限公司 | Antifreezing control method of air conditioner evaporator |
| CN102538149A (en) * | 2012-03-07 | 2012-07-04 | 广东志高空调有限公司 | Overheat protection control method and overheat protection control device for air conditioner |
| CN104142001A (en) * | 2013-05-09 | 2014-11-12 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| US20150047375A1 (en) * | 2013-08-13 | 2015-02-19 | Lennox Industries Inc. | Defrost operation management in heat pumps |
| CN104748465A (en) * | 2013-12-27 | 2015-07-01 | 广东美的制冷设备有限公司 | Air conditioner defrosting control method, air conditioner defrosting control device and air conditioner |
| CN105849485A (en) * | 2014-02-28 | 2016-08-10 | 夏普株式会社 | Refrigerator |
| CN104019531A (en) * | 2014-05-30 | 2014-09-03 | 广东美的制冷设备有限公司 | Defrosting method of air-conditioner and air-conditioner |
| CN104374049A (en) * | 2014-10-29 | 2015-02-25 | 广东美的制冷设备有限公司 | Control method for air-conditioner, control device for air-conditioner and air-conditioner |
| CN105115111A (en) * | 2015-09-18 | 2015-12-02 | 广东美的制冷设备有限公司 | Air conditioner indoor unit and detection method for temperature sensing bulb of air conditioner indoor unit |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006375A (en) * | 2019-12-23 | 2020-04-14 | 四川虹美智能科技有限公司 | Heating anti-freezing control method and device for ground source heat pump unit |
| WO2022151470A1 (en) * | 2021-01-18 | 2022-07-21 | 广东芬尼克兹节能设备有限公司 | Heat pump defrosting control method and apparatus, device, and storage medium |
| CN115087838A (en) * | 2021-01-18 | 2022-09-20 | 广东芬尼克兹节能设备有限公司 | Heat pump defrosting control method, device, equipment and storage medium |
| EP4071417B1 (en) * | 2021-01-18 | 2023-07-12 | Guangdong Phnix Eco-Energy Solution Ltd. | Heat pump defrosting control method and heat pump defrosting control apparatus |
| CN115087838B (en) * | 2021-01-18 | 2024-07-16 | 广东芬尼克兹节能设备有限公司 | Heat pump defrosting control method, device, equipment and storage medium |
| CN113587520A (en) * | 2021-08-17 | 2021-11-02 | 四川虹美智能科技有限公司 | Refrigerator defrosting system abnormity detection method and device |
| CN113587520B (en) * | 2021-08-17 | 2022-09-27 | 四川虹美智能科技有限公司 | Refrigerator defrosting system abnormity detection method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110173820B (en) | 2020-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107131611B (en) | Defrosting control method for air conditioner | |
| CN110173820A (en) | A kind of air-conditioner defrosting control method and device | |
| CN109556232B (en) | Four-way valve abnormality detection method and device and air conditioning unit | |
| CN100580346C (en) | Air-conditioner defrosting method | |
| CN109990439B (en) | Control method and control device for abnormal reversing of air conditioner four-way valve and air conditioner | |
| US7716936B2 (en) | Method and apparatus for affecting defrost operations for a refrigeration system | |
| CN111271821B (en) | Four-way valve reversing abnormity control method, storage medium and air conditioner | |
| CN106369750A (en) | Defrosting control method and defrosting control device of air conditioner and air conditioner | |
| CN103104962A (en) | Method for detecting four-way valve of air-conditioner | |
| CN106091505A (en) | The defrosting control method of air-conditioner, defrosting control device and air-conditioner | |
| CN102226608B (en) | Air conditioner defrosting system, air conditioner and air conditioner defrosting method | |
| CN109539478A (en) | Air conditioner control method and device and air conditioner | |
| CN109424547B (en) | A kind of oil temperature heating tape control method and air conditioner | |
| CN106352489A (en) | Air conditioner fault detecting method and system | |
| CN107120796B (en) | Defrosting control method for air conditioner | |
| CN110486885A (en) | Control method, system and the air-conditioning of air-conditioning | |
| CN111023423B (en) | Control method and device for electronic expansion valve of air conditioner, medium and air conditioner | |
| CN110470001B (en) | Control method for defrosting of air conditioner without stopping and air conditioner | |
| CN107289576B (en) | Defrosting control method for air conditioner | |
| CN115560457A (en) | Control method and control device of air conditioner and air conditioner | |
| CN111473493A (en) | Control method of air conditioner system, air conditioner system and storage medium | |
| CN110410986B (en) | Air conditioner shutdown control method and device and air conditioner | |
| CN113280473A (en) | Self-cleaning control method, system, equipment and storage medium of multi-connected air conditioner | |
| JP5904303B1 (en) | Container refrigeration equipment | |
| CN105674646A (en) | Defrosting control method and device for refrigeration equipment and air conditioner |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |