CN103915817B - Heater circuit autocontrol method and device and washing machine - Google Patents
Heater circuit autocontrol method and device and washing machine Download PDFInfo
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- CN103915817B CN103915817B CN201310003843.2A CN201310003843A CN103915817B CN 103915817 B CN103915817 B CN 103915817B CN 201310003843 A CN201310003843 A CN 201310003843A CN 103915817 B CN103915817 B CN 103915817B
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Abstract
The present invention relates to a kind of heater circuit autocontrol method and device and washing machine, wherein heater circuit autocontrol method includes：Obtain the total detected value for making a reservation for parameter to be checked of each heater circuit at least two heater circuits；Total detected value is compared with predetermined threshold；If comparison result represents that total detected value is more than the predetermined threshold, control section heater circuit is stopped or controls each heater circuit to be stopped, otherwise, do not change the current working status of each heater circuit.The invention avoids being damaged because of load excessive to equipment, security risk is eliminated, improves the security performance of equipment entirety.
Description
Technical field
The present invention relates to automatic control technology field, more particularly to a kind of heater circuit autocontrol method and device and
Washing machine.
Background technology
At present, roller washing machine is usually constructed with water heating and air-dries two kinds of functions of heating.Water heater circuit is used for laundry
The washings of machine are heated, and are air-dried heater circuit and are used to that clothing and/or washing drum to be carried out to air-dry heat treatment.
Under washing machine normal work, water heater circuit and wind heater circuit will not act simultaneously.If because washing machine is set
The reasons such as abnormal cause the two heater circuits to act simultaneously, then may generate larger operating current, damage machine, there is peace
Full hidden danger.And the prior art still lacks corresponding security solution.
Invention content
The brief overview about the present invention is given below, in order to provide the basic reason about certain aspects of the invention
Solution.It should be appreciated that this general introduction is not the exhaustive general introduction about the present invention.It is not intended to determine the key of the present invention
Or pith, nor is it intended to limit the scope of the present invention.Its purpose only provides certain concepts in simplified form, with
This is as the preamble in greater detail discussed later.
The present invention provides a kind of heater circuit autocontrol method and device and washing machine, is set to improve such as washing machine
There is the security performance of the equipment of at least two heater circuits.
On the one hand, the present invention provides a kind of heater circuit autocontrol method, including：
Obtain the total detected value for making a reservation for parameter to be checked of each heater circuit at least two heater circuits；
Total detected value is compared with predetermined threshold；
If comparison result represents that total detected value is more than the predetermined threshold, control section heater circuit stops
It works or controls each heater circuit to be stopped, otherwise, do not change the current working status of each heater circuit.
On the other hand, the present invention also provides a kind of heater circuit automaton, including：
Detection module, for obtaining the total detection for making a reservation for parameter to be checked of each heater circuit at least two heater circuits
Value；
Compare control module, for total detected value to be compared with predetermined threshold, if comparison result represents
Total detected value is more than the predetermined threshold, then control section heater circuit is stopped or controls each heater circuit
It is stopped, otherwise, does not change the current working status of each heater circuit.
Another aspect, the present invention also provides a kind of washing machines, including at least two heater circuits, further include any of the above-described
The heater circuit automaton.
Technical solution provided by the invention is according to total detected value of each heater circuit and the comparison result of predetermined threshold, control
Make the working condition of each heater circuit so that total detected value be more than predetermined threshold when, part heater circuit be stopped with
Mitigate circuit load or each heater circuit is stopped and is worked at the same time to avoid each heater circuit, thus avoid because of load
It is excessive that equipment is damaged, security risk is eliminated, improves the security performance of equipment entirety.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the flow chart of heater circuit autocontrol method that the embodiment of the present invention one provides；
Fig. 2 is the alternative construction schematic diagram of heater circuit automaton provided by Embodiment 2 of the present invention；
Fig. 3 is the alternative construction schematic diagram of heater circuit set in the washing machine that the embodiment of the present invention three provides.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Described in the attached drawing of the present invention or a kind of embodiment
Elements and features can be combined with the elements and features shown in one or more other attached drawings or embodiment.It should
Note that it for purposes of clarity, is omitted in attached drawing and explanation unrelated to the invention, known to persons of ordinary skill in the art
Component and the expression and description of processing.Based on the embodiments of the present invention, those of ordinary skill in the art are not paying creation
Property labour under the premise of all other embodiments obtained, shall fall within the protection scope of the present invention.
Embodiment one
Fig. 1 is the flow chart of heater circuit autocontrol method that the embodiment of the present invention one provides.As shown in Figure 1, this reality
The heater circuit autocontrol method for applying example offer includes：
Step 11：Obtain the total detected value for making a reservation for parameter to be checked of each heater circuit at least two heater circuits.
The heater circuit of two or two or more may be provided in same equipment, such as two heating can be equipped in washing machine
Circuit：Washing machine water heater circuit and washing machine air-dry heater circuit.Certain predetermined parameter to be checked of each heater circuit can be distinguished
It is detected, obtains total detected value.Parameter to be detected can determine according to actual needs, for example, parameter to be detected can be electric current, it can
The electric current of each heater circuit of the equipment is detected respectively, obtains total current value；Alternatively, in another example, parameter to be detected can be
Voltage can be detected the voltage of each heater circuit of the equipment respectively, obtain total voltage value.
Step 12：Total detected value is compared with predetermined threshold.
Step 13：If comparison result represents that total detected value is more than the predetermined threshold, control section heating
Circuit is stopped or controls each heater circuit to be stopped, and otherwise, does not change the current work of each heater circuit
Make state.
The size of threshold value can be set according to actual needs.If total detected value is more than predetermined threshold, illustrate
The heavier loads of current each heater circuit can control part heater circuit in all heater circuits to be stopped namely control institute
There is part heater circuit in heater circuit to be switched to off working state by current working status, to mitigate circuit load, alternatively, can
Each heater circuit is controlled to be stopped namely control each heater circuit to be switched to off working state by current working status,
It is worked at the same time to avoid each heater circuit.
In heater circuit autocontrol method provided in this embodiment, according to total detected value of each heater circuit and predetermined door
The comparison result of limit value controls the working condition of each heater circuit so that when total detected value is more than predetermined threshold, part adds
Heater circuit, which is stopped, to be stopped and is worked at the same time to avoid each heater circuit to mitigate circuit load or each heater circuit,
It thus avoids damaging equipment because of load excessive, eliminates security risk, improve the security performance of equipment entirety.
In above-mentioned technical proposal, each heater circuit is controlled to change the specific implementation of working condition not according to comparison result
It is restricted.A kind of optional realization method is for example：If comparison result represents that total detected value is more than the predetermined threshold,
The first level signal is then exported respectively to each heater circuit, is supplied with cut-off parts heater circuit or each heater circuit with corresponding
Electrical connection between power supply；Otherwise, second electrical level signal is exported respectively to each heater circuit, not change each heating electricity
The current working status on road.First level signal can be high level signal, and second electrical level signal can be low level signal；Alternatively,
First level signal can be low level signal, and second electrical level signal can be high level signal.The program can be easy to heater circuit certainly
The software of flowing control method is realized or hardware realization, reduces complexity.
Optionally, above-mentioned heater circuit autocontrol method may also include：If comparison result represents total detected value
More than the predetermined threshold, then warning message is exported.Warning message is such as buzzerphone, alarm light flash signal.It should
Scheme can in equipment heater circuit operation irregularity and alarm, convenient for the timely discovering device of user it is abnormal, fix a breakdown.
Embodiment two
Fig. 2 is the alternative construction schematic diagram of heater circuit automaton provided by Embodiment 2 of the present invention.Such as Fig. 2 institutes
Show, heater circuit automaton provided in this embodiment includes：Detection module 21 and compare control module 22.
Detection module 21 is used to obtain the total detection for making a reservation for parameter to be checked of each heater circuit at least two heater circuits
Value.Optionally, the heater circuit of two or two or more may be provided in same equipment, such as can be equipped with two in washing machine and add
Heater circuit：Washing machine water heater circuit and washing machine air-dry heater circuit.It can make a reservation for parameter to be checked point to certain of each heater circuit
It is not detected, obtains total detected value.Parameter to be detected can determine according to actual needs, for example, parameter to be detected can be electric current,
The electric current of each heater circuit of the equipment can be detected respectively, obtain total current value；Alternatively, in another example, parameter to be detected can
For voltage, the voltage of each heater circuit of the equipment can be detected respectively, obtain total voltage value.
Compare control module 22 for total detected value to be compared with predetermined threshold, if comparison result represents
Total detected value is more than the predetermined threshold, then control section heater circuit is stopped or controls each heater circuit
It is stopped, otherwise, does not change the current working status of each heater circuit.Optionally, the size of threshold value can basis
Actual needs is set.If total detected value is more than predetermined threshold, illustrate the heavier loads of current each heater circuit, it can
Part heater circuit is controlled in all heater circuits to be stopped namely control in all heater circuits part heater circuit by working as
Preceding working condition is switched to off working state, to mitigate circuit load, alternatively, each heater circuit can control to be stopped,
Each heater circuit is controlled to be switched to off working state by current working status, is worked at the same time to avoid each heater circuit.
Heater circuit automaton provided in this embodiment is according to the total detected value and predetermined threshold of each heater circuit
The comparison result of value controls the working condition of each heater circuit so that when total detected value is more than predetermined threshold, part is heated
Circuit, which is stopped, to be stopped and is worked at the same time to avoid each heater circuit to mitigate circuit load or each heater circuit, by
This is avoided because load excessive damages equipment, eliminates security risk, improves the security performance of equipment entirety.
In above-mentioned technical proposal, each heater circuit is controlled to change the specific implementation of working condition not according to comparison result
It is restricted.A kind of optional realization method is specifically used for for example, comparing control module 22 by total detected value and predetermined threshold
Value is compared, if comparison result represents that total detected value is more than the predetermined threshold, to each heater circuit
The first level signal is exported respectively, being electrically connected between cut-off parts heater circuit or each heater circuit and corresponding power supply
It connects；Otherwise, second electrical level signal is exported respectively to each heater circuit, not change the work at present of each heater circuit
State.First level signal can be high level signal, and second electrical level signal can be low level signal；Alternatively, the first level signal
Can be low level signal, second electrical level signal can be high level signal.The program can be easy to heater circuit autocontrol method
Software is realized or hardware realization, reduces complexity.
Optionally, above-mentioned heater circuit automaton may also include：Alarm module 23 is used to represent in comparison result
When total detected value is more than the predetermined threshold, warning message is exported.Warning message such as buzzerphone, alarm lamp color break-up
Bright signal etc..The program can be in equipment heater circuit operation irregularity and alarm, convenient for the timely discovering device of user is abnormal, row
Except failure.
Embodiment three
The present invention also provides a kind of washing machine, which includes at least two heater circuits, has further included above-mentioned
Any heater circuit automaton carries out automatically controlling each heater circuit by heater circuit automaton,
It thus avoids damaging washing machine complete machine because of load excessive, eliminates security risk.
Optionally, washing machine includes two heater circuits：First heater circuit and the second heater circuit.As shown in figure 3,
First heater circuit includes：First relay and primary heater N1, first relay include the first relay master
Body（Including the first relay power coil K1 and the first diode D1）, the first relay main body K1 is equipped with the first inlet wire
Terminal L1, the first normally closed normally opened terminal NB1 of terminal NC1 and first.Second heater circuit includes：Second relay and second
Heater N2, second relay include the second relay main body（Including the second relay power coil K2 and the two or two pole
Pipe D2）, second relay main body is equipped with the second input terminal L2, the second normally closed normally opened terminals of terminal NC2 and second
NB2.First relay main body and second relay main body connect respectively with the heater circuit automaton 2
It connects, the first input terminal L1 is connect with the primary heater N1, and the first normally opened terminal NB1 and described second is normally closed
Terminal NC2 connections, the secondary heater N2 are connect with the described second normally opened terminal NB2, the second input terminal L2 conducts
Firewire incoming end.
Scheme as shown in Figure 3 can effective guarantee this two heater circuits select a job.One optional course of work example
Such as, the second input terminal L2 connection firewires, first the first normally closed terminal NC1 of input terminal L1 connections；If the second relay master
When body receives start-up operation instruction, second the second normally opened terminal NB2 of input terminal L2 connections, the work of the second heater circuit；Such as
The first relay main body also receives start-up operation instruction to fruit at this time, can not since the first heater circuit does not form electrical circuit
Work can ensure that two heater circuits select a job from there through the control of simple circuit, improve the safety of washing machine
Performance.If the situation that two heater circuits work at the same time occurs extremely in washing machine, can be automatically controlled by above-mentioned heater circuit
Device controls each heater circuit to be stopped, to further improve the security performance of washing machine.
Optionally, above-mentioned first relay and/or the second relay can be single-pole double-throw relay, you can meet two
The application demand of heater circuit break-make control, also helps simplified circuit structure.
Optionally, above-mentioned washing machine can be roller washing machine.First heater circuit be washing machine water heater circuit, institute
It states the second heater circuit and air-dries heater circuit for washing machine；Alternatively, first heater circuit air-dries heater circuit for washing machine,
Second heater circuit is washing machine water heater circuit.Washing machine water heater circuit is used to be heated for washing of drum type washing machine water
Processing, washing machine air-dry heater circuit for carrying out air-dried heat treatment for clothing and/or washing drum.
When washing machine is in normal operating conditions, washing machine water heater circuit and washing machine air-dry heater circuit cannot be simultaneously
Work, when washing machine water heater circuit receives start-up operation instruction, washing machine water heater circuit works and washing machine air-dries
Heater circuit does not work, conversely, when washing machine air-dries heater circuit and receives start-up operation instruction, washing machine air-dries heating electricity
Road works and washing machine water heater circuit does not work.If the two heater circuits work at the same time, parameter is detected to such as electric current etc.
It is detected it is found that the total detected value of such as way circuit value is larger, it will usually beyond predetermined threshold, heater circuit can be passed through at this time
Automaton obtains total detected value of the two heater circuits, and according to total detected value and the comparison result of predetermined threshold
Realization automatically controls.
A kind of optional realization method is for example, when washing machine water heater circuit and washing machine air-dry the total current of heater circuit
When value is more than predetermined threshold, heater circuit automaton can export high level signal respectively to the two heater circuits,
To cut off the electrical connection of the two heater circuits respectively, thus avoid the two circuits and work at the same time, also avoid because negative
Carry it is excessive washing machine complete machine is damaged, eliminate security risk.
Each technical solution provided in an embodiment of the present invention, available for being carried out to the equipment for being provided at least two heater circuits
The security control of heat treatment.If the heater circuit of equipment setting is used because the reasons such as function setting cannot work at the same time
Technical solution provided in an embodiment of the present invention can also avoid multiple heater circuits from working at the same time, and thus avoid because of load excessive pair
Equipment damages, and eliminates security risk.
In the various embodiments described above of the present invention, the serial number of embodiment is merely convenient of description, does not represent the quality of embodiment.It is right
The description of each embodiment all emphasizes particularly on different fields, and does not have the part being described in detail in some embodiment, may refer to the phase of other embodiment
Close description.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
The relevant hardware of program instruction is completed, and aforementioned program can be stored in a computer read/write memory medium, the program
When being executed, step including the steps of the foregoing method embodiments is performed；And aforementioned storage medium includes：Read-only memory（Read-
Only Memory, abbreviation ROM）, random access memory（Random Access Memory, abbreviation RAM）, magnetic disc or light
The various media that can store program code such as disk.
In the embodiments such as apparatus and method of the present invention, it is clear that each component or each step be can decompose, combine and/
Or reconfigured after decomposing.These decompose and/or reconfigure the equivalent scheme that should be regarded as the present invention.It is meanwhile right above
In the description of the specific embodiment of the invention, the feature for describing and/or showing for a kind of embodiment can be with same or like
Mode used in one or more other embodiments, it is combined or substitute it with the feature in other embodiment
Feature in its embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, element, step or component when being used herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, element, step or component.
Finally it should be noted that：Although the present invention and its advantage are described in detail above it should be appreciated that not
Various changes can be carried out in the case of the spirit and scope of the present invention being defined by the claims appended hereto, substitute and
Transformation.Moreover, the scope of the present invention is not limited only to the specific reality of the described process of specification, equipment, means, method and steps
Apply example.One of ordinary skilled in the art from the disclosure it will be readily understood that according to the present invention can use hold
The row function essentially identical to corresponding embodiment described herein obtains result, the existing and future essentially identical with it
Process, equipment, means, method or step to be developed.Therefore, appended claim is intended to wrap in the range of them
Include such process, equipment, means, method or step.
Claims (7)
1. a kind of heater circuit autocontrol method, which is characterized in that including：
Obtain the total detected value for making a reservation for parameter to be checked of each heater circuit at least two heater circuits；
Total detected value is compared with predetermined threshold；
If comparison result represents that total detected value is more than the predetermined threshold, exported respectively to each heater circuit
First level signal, being electrically connected between cut-off parts heater circuit or each heater circuit and corresponding power supply；Otherwise, to
Each heater circuit exports second electrical level signal respectively, not change the current working status of each heater circuit；
Wherein, at least two heater circuits include：Washing machine water heater circuit and washing machine air-dry heater circuit；
The predetermined parameter to be checked includes electric current, and total detected value is total current value；Alternatively, the predetermined parameter to be checked includes
Voltage, total detected value are total voltage value.
2. heater circuit autocontrol method according to claim 1, which is characterized in that further include：If comparison result
It represents that total detected value is more than the predetermined threshold, then exports warning message.
3. a kind of heater circuit automaton, which is characterized in that including：
Detection module, for obtaining the total detected value for making a reservation for parameter to be checked of each heater circuit at least two heater circuits；
Compare control module, for total detected value to be compared with predetermined threshold, if described in comparison result expression
Total detected value is more than the predetermined threshold, then the first level signal is exported respectively to each heater circuit, with cut-off parts
Otherwise being electrically connected between heater circuit or each heater circuit and corresponding power supply, exports respectively to each heater circuit
Second electrical level signal does not change the current working status of each heater circuit；
Wherein, at least two heater circuits include：Washing machine water heater circuit and washing machine air-dry heater circuit；
The predetermined parameter to be checked includes current value or voltage value.
4. heater circuit automaton according to claim 3, which is characterized in that further include：
Alarm module, for when comparison result represents that total detected value is more than the predetermined threshold, exporting warning message.
5. a kind of washing machine, including at least two heater circuits, which is characterized in that further include as described in claim 3-4 is any
Heater circuit automaton.
6. washing machine according to claim 5, which is characterized in that
At least two heater circuits include the first heater circuit and the second heater circuit；
First heater circuit includes：First relay and primary heater, first relay include the first relay
Main body, first relay main body are equipped with the first input terminal, the first normally closed terminal and the first normally opened terminal；
Second heater circuit includes：Second relay and secondary heater, second relay include the second relay
Main body, second relay main body are equipped with the second input terminal, the second normally closed terminal and the second normally opened terminal；
First relay main body and second relay main body are connect respectively with the heater circuit automaton,
First input terminal is connect with the primary heater, and the first normally opened terminal is connect with the described second normally closed terminal,
The secondary heater is connect with the described second normally opened terminal, and second input terminal is as firewire incoming end.
7. washing machine according to claim 6, which is characterized in that
First heater circuit is washing machine water heater circuit, and second heater circuit air-dries heater circuit for washing machine；
Alternatively,
First heater circuit air-dries heater circuit for washing machine, and second heater circuit is washing machine water heater circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310003843.2A CN103915817B (en) | 2013-01-06 | 2013-01-06 | Heater circuit autocontrol method and device and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310003843.2A CN103915817B (en) | 2013-01-06 | 2013-01-06 | Heater circuit autocontrol method and device and washing machine |
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| Publication Number | Publication Date |
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| CN103915817A CN103915817A (en) | 2014-07-09 |
| CN103915817B true CN103915817B (en) | 2018-06-15 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105444364B (en) * | 2015-12-30 | 2018-04-20 | 珠海格力电器股份有限公司 | Humidifier dry combustion method protection control method, device and humidifier |
| CN106048968A (en) * | 2016-07-28 | 2016-10-26 | 广东格兰仕集团有限公司 | Mixed washing and drying device and control method thereof |
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| DE9007835U1 (en) * | 1989-09-29 | 1999-04-22 | Zanussi A Spa Industrie | Device for controlling the washing and drying temperature for combined washing and tumble drying machines |
| CN101289801B (en) * | 2007-04-17 | 2011-01-19 | 三星电子株式会社 | Washing machine and control method thereof |
| WO2011141536A1 (en) * | 2010-05-14 | 2011-11-17 | Electrolux Home Products Corporation N.V. | Monitoring faults in the heating circuit of an appliance |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046005A (en) * | 1989-03-28 | 1990-10-10 | 菲利浦光灯制造公司 | Steam generating iron |
| DE9007835U1 (en) * | 1989-09-29 | 1999-04-22 | Zanussi A Spa Industrie | Device for controlling the washing and drying temperature for combined washing and tumble drying machines |
| CN2306241Y (en) * | 1997-09-30 | 1999-02-03 | 博西威家用电器有限公司 | Temp. regulating washer |
| CN101289801B (en) * | 2007-04-17 | 2011-01-19 | 三星电子株式会社 | Washing machine and control method thereof |
| WO2011141536A1 (en) * | 2010-05-14 | 2011-11-17 | Electrolux Home Products Corporation N.V. | Monitoring faults in the heating circuit of an appliance |
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| CN103915817A (en) | 2014-07-09 |
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