CN111118815B - Flow control system and washing machine - Google Patents
Flow control system and washing machine Download PDFInfo
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- CN111118815B CN111118815B CN202010013444.4A CN202010013444A CN111118815B CN 111118815 B CN111118815 B CN 111118815B CN 202010013444 A CN202010013444 A CN 202010013444A CN 111118815 B CN111118815 B CN 111118815B
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- valve
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- 238000005406 washing Methods 0.000 title claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000007493 shaping process Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims description 26
- 238000005259 measurement Methods 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 17
- 230000010354 integration Effects 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/088—Liquid supply arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The application provides a flow control system and washing machine, this system includes: the system comprises a controller, a signal processor and a valve, wherein the signal processor is respectively connected with the controller and the valve; the controller is configured to receive the flow control instruction, determine a target timing control signal according to a first flow value included in the flow control instruction, and provide the target timing control signal to the signal processor; the signal processor is configured to perform waveform shaping processing on the first alternating current according to the target time sequence control signal to obtain second alternating current, and provide the second alternating current for the valve, wherein the first alternating current is the alternating current in the power grid; the valve is configured to flow liquid having a flow rate value of the first flow rate value in response to the second alternating current. The flow valve is used for adjusting the flow value of the valve, avoiding water resource waste, reducing the design cost of the washing machine and improving the integration of the washing machine.
Description
Technical Field
The embodiment of the invention relates to the field of washing machines, in particular to a flow control system and a washing machine.
Background
Washing machines (e.g., pulsator washing machines, drum washing machines) are vital household appliances.
Currently, washing machines are typically provided with a plurality of valves, each valve typically having a respective fixed inlet water flow rate over a particular range of water pressures. In practical application, when water is injected into the washing machine through a certain valve with fixed water inflow, the water inflow of the valve cannot be changed by a user, so that water resource waste is possibly caused, and further, the washing machine is provided with a plurality of valves due to the fact that the size of the valve is large, so that the design cost of the washing machine is high and the integration is low.
Disclosure of Invention
The embodiment of the invention provides a flow control system and a washing machine, which are used for adjusting the flow value of a valve, avoiding water resource waste, reducing the design cost of the washing machine and improving the integration of the washing machine.
In a first aspect, an embodiment of the present invention provides a flow control system applied to a washing machine, including: the system comprises a controller, a signal processor and a valve, wherein the signal processor is respectively connected with the controller and the valve;
the controller is configured to receive the flow control instruction, determine a target timing control signal according to a first flow value included in the flow control instruction, and provide the target timing control signal to the signal processor;
the signal processor is configured to perform waveform shaping processing on the first alternating current according to the target time sequence control signal to obtain second alternating current, and provide the second alternating current for the valve, wherein the first alternating current is the alternating current in the power grid;
the valve is configured to flow liquid having a flow rate value of the first flow rate value in response to the second alternating current.
In one possible design, the controller is further configured to:
and determining a target time sequence control signal in at least one time sequence control signal according to the first flow value and a first corresponding relation, wherein the first corresponding relation comprises the corresponding relation between the first flow value and the target time sequence control signal.
In another possible design, the controller is further configured to:
determining a target zero crossing point detection strategy in at least one zero crossing point detection strategy according to the first flow value and a second corresponding relation, wherein the second corresponding relation comprises the corresponding relation between the first flow value and the target zero crossing point detection strategy;
and carrying out zero crossing point detection processing on the first alternating current according to a target zero crossing point detection strategy to obtain a target time sequence control signal.
In another possible design, the system further comprises: a mobile terminal, wherein the mobile terminal is linked with the controller;
the mobile terminal is configured to receive a flow writing operation input by a user, generate a flow control instruction according to the flow writing operation, and send the flow control instruction to the controller;
the controller is further configured to receive a flow control instruction sent by the mobile terminal.
In another possible design, the system further comprises: a flow control panel, wherein the flow control panel is linked with the controller;
the flow control panel is configured to receive a flow selection operation input by a user, generate a flow control instruction according to the flow selection operation, and send the flow control instruction to the controller;
the controller is further configured to receive a flow control command sent by the flow control panel.
In another possible design, the system further comprises: a program control panel, wherein the program control panel is linked with the controller;
the program control panel is configured to receive a washing program selection operation input by a user, generate a washing program selection instruction according to the washing program selection operation, and send the washing program selection instruction to the controller;
the controller is further configured to determine a first flow value based on the wash program selection instruction sent by the program control panel.
In another possible design, the system further comprises: the weight measuring subsystem is connected with the controller;
the weight measuring subsystem is configured to measure the weight of laundry in the washing machine;
the controller is configured to obtain the weight measured by the weight measurement subsystem and determine a first flow value based on the weight.
In another possible design, the signal processor is a thyristor switch component.
In another possible design, the valve is an electromagnetic water inlet valve.
In a second aspect, an embodiment of the present invention provides a washing machine comprising the flow control system of any one of the first aspects.
In the flow control system and the washing machine provided by the application, the system comprises: the system comprises a controller, a signal processor and a valve, wherein the signal processor is respectively connected with the controller and the valve; the controller is configured to receive the flow control instruction, determine a target timing control signal according to a first flow value included in the flow control instruction, and provide the target timing control signal to the signal processor; the signal processor is configured to perform waveform shaping processing on the first alternating current according to the target time sequence control signal to obtain second alternating current, and provide the second alternating current for the valve, wherein the first alternating current is the alternating current in the power grid; the valve is configured to flow liquid having a flow rate value of the first flow rate value in response to the second alternating current. In the flow control system, the signal processor carries out waveform shaping treatment on the first alternating current according to the target time sequence control signal to obtain the second alternating current, the valve is used for liquid with the first flow value according to the second alternating current flow value, so that the waste of water resources is avoided, and the valve is arranged in the washing machine, so that the design cost of the washing machine can be reduced, and the integration of the washing machine is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic application scenario diagram of a flow control system provided in the present application;
FIG. 2 is a schematic diagram of a flow control system according to the present disclosure;
FIG. 3 is a schematic diagram of a flow control system according to the present disclosure;
FIG. 4 is a schematic diagram of a flow control system according to the present disclosure;
FIG. 5 is a schematic diagram of a flow control panel provided herein;
FIG. 6 is a schematic diagram of a flow control system according to the present disclosure;
FIG. 7 is a schematic diagram of a flow control system according to the present disclosure;
fig. 8 is a schematic signal waveform diagram of the first ac power and the second ac power provided in the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented, for example, in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Fig. 1 is an application scenario schematic diagram of a flow control system provided in the present application. As shown in fig. 1, includes: a washing machine 101, a flow control system 102 and a valve 103, wherein the valve 103 is provided in the flow control system 102, and the flow control system 102 is provided in the washing machine 101.
Alternatively, the valve 103 may spray water to the laundry to assist washing the laundry during the washing of the laundry by the user using the washing machine 101.
In practical applications, the flow control system 102 may adjust the flow value of the valve 103 according to the weight of the laundry or the user's demand. For example, the flow control system 102 may control the flow value of the decrease valve 103 when the weight of laundry is small, and the flow control system 102 may control the flow value of the increase valve 103 when the weight of laundry is large. In the above process, the flow control system 102 can adjust the flow value of the valve 103 to avoid water resource waste, and the valve 103 is arranged in the washing machine 101, so that the design cost of the washing machine can be reduced, and the integration of the washing machine can be improved.
It should be noted that fig. 1 is only an exemplary application scenario for illustrating the flow control system, and is not limited to the shape of the washing machine, nor the installation position of the flow control system in the washing machine.
The technical scheme of the invention is described in detail below by specific examples. The following embodiments may be combined with each other, and some embodiments may not be repeated for the same or similar concepts or processes.
Fig. 2 is a schematic structural diagram of a flow control system provided in the present application. As shown in fig. 2, includes: the device comprises a controller 201, a signal processor 202 and a valve 203, wherein the signal processor 202 is respectively connected with the controller 201 and the valve 203;
the controller 201 is configured to receive the flow control instruction, determine a target timing control signal according to a first flow value included in the flow control instruction, and provide the target timing control signal to the signal processor 202;
the signal processor 202 is configured to perform waveform shaping processing on the first alternating current according to the target timing control signal to obtain a second alternating current, and provide the second alternating current to the valve 203, where the first alternating current is an alternating current in the power grid;
the valve 203 is configured to flow liquid having a first flow rate value according to the second alternating current.
Alternatively, the flow control system of the present application may be provided in a washing machine, or in other washing apparatus. For example, the cleaning apparatus may be a dishwasher.
Optionally, the controller may receive a flow control instruction sent by the mobile terminal or the flow control panel, where the flow control instruction includes a first flow value.
Optionally, the first flow value is determined by the controller according to a washing program selection instruction sent by the program control panel, or is determined by the controller according to the weight of the laundry sent by the weight measuring subsystem.
In one possible design, the controller may further perform the following specific method to determine the target timing control signal according to the first flow value in the flow control command:
and determining a target time sequence control signal in at least one time sequence control signal according to the first flow value and a first corresponding relation, wherein the first corresponding relation comprises the corresponding relation between the first flow value and the target time sequence control signal.
Alternatively, the first correspondence is a correspondence stored in the controller 201 in advance. For example, the first correspondence relationship includes: the corresponding relation between the first time sequence control signal and the initial flow value A, the corresponding relation between the second time sequence control signal and the flow value B, and the corresponding relation between the third time sequence control signal and the flow value C. The first timing control signal is turned on once for the trigger signal processor 202 after detecting one zero point of the first alternating current, the second timing control signal is turned on once for the trigger signal processor 202 after detecting two zero points of the first alternating current, and the third timing control signal is turned on once for the trigger signal processor 202 after detecting three zero points of the first alternating current. In this application, the first ac power is an ac power transmitted in a power grid 204 (shown in fig. 2), the ac power having a voltage of 220 volts and a frequency of 50 hz, and the power grid 204 is configured to provide the first ac power to the controller and the signal processor 202. Optionally, the controller 201 may further include a signal detection module, which may detect a zero crossing of the first alternating current.
Alternatively, the flow value A, B, C may have a fractional, or percent representation. For example, when the flow value A, B, C is a fractional representation, the initial flow value A may be 1, the flow value B may be 1/2 (i.e., 1/2 of the initial flow A), and the flow value C may be 1/3.
In practical applications, if the first flow value is determined to be 1/2, the target timing control signal may be determined to be the second timing control signal.
In another possible design, the controller may further perform the following specific method to determine the target timing control signal according to the first flow value in the flow control command:
determining a target zero crossing point detection strategy in at least one zero crossing point detection strategy according to the first flow value and a second corresponding relation, wherein the second corresponding relation comprises the corresponding relation between the first flow value and the target zero crossing point detection strategy;
and carrying out zero crossing point detection processing on the first alternating current according to a target zero crossing point detection strategy to obtain a target time sequence control signal.
Alternatively, the second correspondence is a correspondence stored in the controller 201 in advance. For example, the second correspondence relationship includes: the corresponding relation between the first zero crossing point detection strategy and the initial flow value A, the corresponding relation between the second zero crossing point detection strategy and the flow value B, and the corresponding relation between the third zero crossing point detection strategy and the flow value C. The first zero crossing point detection strategy is used for detecting the zero point of the first alternating current once for each half wave, the second zero crossing point detection strategy is used for detecting the zero point of the first alternating current once for every two half waves, and the third zero crossing point detection strategy is used for detecting the zero point of the first alternating current once for every three half waves.
In practical application, if the first flow value is 1/3, after the controller determines that the target zero crossing point detection strategy is the third zero crossing point detection strategy according to the first flow value 1/3, zero crossing point detection processing is performed on the first alternating current according to the third zero crossing point detection strategy, so as to obtain the target timing control signal provided to the signal processor 202.
Optionally, the signal processor 202 is a thyristor switch component, and the valve 203 is an electromagnetic water inlet valve.
Further, after receiving the target timing control signal, the signal processor 202 performs on/off cycle operation according to the target timing control signal. During the on/off cycle, the signal processor 202 may waveform the first ac power to obtain a second ac power, and provide the second ac power to the valve 203. The valve 203 is configured to flow the liquid having the first flow rate value according to the second alternating current. Alternatively, the liquid may be water, or may be wash water in which wash water is dissolved.
The flow control system provided by the application comprises: the system comprises a controller, a signal processor and a valve, wherein the signal processor is respectively connected with the controller and the valve; the controller is configured to receive the flow control instruction, determine a target timing control signal according to a first flow value included in the flow control instruction, and provide the target timing control signal to the signal processor; the signal processor is configured to perform waveform shaping processing on the first alternating current according to the target time sequence control signal to obtain second alternating current, and provide the second alternating current for the valve, wherein the first alternating current is the alternating current in the power grid; the valve is configured to flow liquid having a flow rate value of the first flow rate value in response to the second alternating current. In the flow control system, the signal processor carries out waveform shaping treatment on the first alternating current according to the target time sequence control signal to obtain a second alternating current, and the valve is used for liquid with a first flow value according to the second alternating current flow value, so that water resource waste is avoided. Furthermore, the valve is arranged in the washing machine, so that the design cost of the washing machine can be reduced, and the integration of the washing machine is improved.
Based on the above embodiments, the flow control system provided in the present application is further described below with reference to fig. 3. Specifically, please refer to fig. 3.
Fig. 3 is a schematic structural diagram of a flow control system provided in the present application. On the basis of fig. 2, as shown in fig. 3, the flow control system further includes: a mobile terminal 205, wherein the mobile terminal 205 is linked to the controller 201;
the mobile terminal 205 is configured to receive a flow writing operation input by a user, generate a flow control instruction according to the flow writing operation, and send the flow control instruction to the controller 201;
the controller 201 is further configured to receive a flow control instruction sent by the mobile terminal 205.
Alternatively, the mobile terminal 205 may be linked to the controller 201 in a wired network or a wireless network. The wired network may be a coaxial cable, a twisted pair wire, an optical fiber, etc., and the wireless network may be a 2G network, a 3G network, a 4G network, a 5G network, a wireless fidelity (Wireless Fidelity, abbreviated as WIFI) network, etc.
Alternatively, the mobile terminal 205 may be a computer device, a tablet computer, a mobile phone (or "cellular" phone), etc., and may also be a portable, pocket, hand-held, computer-built-in mobile device or apparatus, without limitation.
Specifically, the mobile terminal 205 may display a flow control interface, where the flow control interface includes a flow writing box, and the user may input a flow writing operation in the flow writing box.
Further, if the user writes the first flow value 1/2 in the flow writing frame, the mobile terminal 205 may generate a flow control instruction according to the flow writing operation, and send the flow control instruction to the controller 201, where the flow control instruction includes the first flow value. After the controller 201 receives the flow control instruction, a first flow value may be extracted from the flow control instruction.
Optionally, the flow control interface may further include a plurality of flow selection controls, where each flow selection control has a corresponding flow value, and the mobile terminal 205 may generate the flow control instruction according to a selection operation of any one flow selection control by the user.
In practical application, the user can control the flow value of the valve through the mobile terminal 205, so that the user experience of controlling the flow value of the valve is improved, and the control of the flow value of the valve can be realized when the user is not beside the washing machine.
Fig. 4 is a schematic structural diagram of a flow control system provided in the present application. On the basis of fig. 2, as shown in fig. 4, the flow control system includes: a flow control panel 206, wherein the flow control panel 206 is linked to the controller 201;
the flow control panel 206 is configured to receive a flow selection operation input by a user, and generate a flow control instruction according to the flow selection operation;
the controller 201 is also configured to receive flow control instructions sent by the flow control panel 206.
Specifically, the flow control panel 206 is disposed in the washing machine, and the flow control panel 206 includes a plurality of flow selection controls, each having a corresponding flow value thereon. Reference is specifically made to a schematic illustration of a flow control panel 206 provided in the embodiment of fig. 5.
Further, after the user clicks any one of the flow selection controls in the flow control panel 206 to implement the input flow selection operation, the flow control panel 206 may generate a flow control instruction according to the flow selection operation, and send the flow control instruction to the washing machine.
Fig. 5 is a schematic diagram of a flow control panel provided herein. As shown in fig. 5, the flow control panel includes: and 4 flow selection controls, wherein each flow selection control has a corresponding flow value.
For example, a flow selection control has a flow value of 1 and a flow selection control has a flow value of 1/2, where the flow value of 1 indicates the maximum flow value of the valve and the flow value of 1/2 indicates 1/2 of the maximum flow value.
Optionally, the flow selection control may be a physical key or a touch control, where the touch control may be implemented by software.
It should be noted that fig. 5 is an exemplary illustration of a flow control panel, and not a limitation of the flow control panel. In practical design, the number of flow selection controls may be set according to the requirement, and in particular, this is not limited in this application.
Fig. 6 is a schematic structural diagram of a flow control system provided in the present application. On the basis of fig. 2, as shown in fig. 6, the flow control system further includes: a program control panel 207, wherein the program control panel 207 is linked with the controller 201;
the program control panel 207 is configured to receive a washing program selection operation input by a user, and generate a washing program selection instruction according to the washing program selection operation;
the controller 201 is further configured to determine a first flow value in accordance with a wash program selection instruction sent from the program control panel 207.
Specifically, the program control panel 207 includes at least one washing mode therein. For example, the at least one washing pattern includes: washing modes such as down jackets, cotton-flax, wool, energy conservation and the like. After the user clicks any one of the washing modes to input the washing program selection operation into the program control panel 207, the program control panel 207 may generate a washing program selection instruction according to the washing program selection operation and transmit the washing program selection instruction to the controller.
Further, the controller may determine the first flow value according to a washing pattern in the washing program selection instruction and a third correspondence, the third correspondence including at least one washing pattern and a flow value corresponding to each washing pattern.
In practical application, the controller extracts a washing mode from the washing program selection instruction, searches a flow value corresponding to the washing mode in the third corresponding relation, and determines the flow value corresponding to the found washing mode as a first flow value.
Fig. 7 is a schematic structural diagram of a flow control system provided in the present application. On the basis of fig. 2, as shown in fig. 7, the flow control system further includes: weight-measuring subsystem 208, wherein weight-measuring subsystem 208 is coupled to controller 208;
the weight measurement subsystem 208 is configured to measure the weight of laundry in the washing machine;
the controller 201 is configured to obtain the weight measured by the weight measurement subsystem 208 and determine a first flow value based on the weight.
Specifically, the controller may determine the first flow value according to a weight measured by the weight measurement subsystem 208 and a fourth correspondence, where the fourth correspondence includes at least one weight range and a flow value corresponding to each weight range.
In practical application, the weight range of the laundry can be determined according to the weight of the laundry, the flow value corresponding to the weight range is searched in the fourth corresponding relation, and the flow value corresponding to the searched weight range is determined as the first flow value.
On the basis of the above embodiment, the relationship between the first alternating current and the second alternating current will be described below with reference to the embodiment of fig. 8, taking the first flow value of 1/2 as an example, and specifically, refer to fig. 8.
Fig. 8 is a schematic signal waveform diagram of the first ac power and the second ac power provided in the present application. As shown in fig. 8, includes: an electrical signal waveform of the first alternating current and an electrical signal waveform of the second alternating current.
Specifically, when the first flow value is 1/2, the controller 201 detects a zero crossing point of the first alternating current, and when the controller 201 detects the next zero crossing point (Q2) every zero crossing point (Q1), the controller sends a target time sequence control signal to the signal processor, so that the signal processor is turned on according to the target time sequence control signal, and the first alternating current (one cycle waveform) is processed in the process that the signal processor is turned on, so as to obtain the second alternating current (half cycle waveform).
The application also provides a washing machine comprising the flow control system shown in any of the above embodiments. The beneficial effects that this washing machine can realize are the same with the beneficial effects that flow control system in order to realize, here, do not carry out the description again.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (9)
1. A flow control system for use in a washing machine, comprising: the device comprises a controller, a signal processor and a valve, wherein the signal processor is respectively connected with the controller and the valve;
the controller is configured to receive a flow control instruction, determine a target timing control signal according to a first flow value included in the flow control instruction, and provide the target timing control signal to the signal processor;
the signal processor is configured to perform waveform shaping processing on the first alternating current according to the target time sequence control signal to obtain second alternating current, and provide the second alternating current for the valve, wherein the first alternating current is alternating current in a power grid;
the valve is configured to flow a liquid having a flow rate value of the first flow rate value according to the second alternating current;
the controller is further configured to:
determining a target zero crossing point detection strategy in at least one zero crossing point detection strategy according to the first flow value and a second corresponding relation, wherein the second corresponding relation comprises a corresponding relation between the first flow value and the target zero crossing point detection strategy;
and carrying out zero crossing detection processing on the first alternating current according to the target zero crossing detection strategy to obtain the target time sequence control signal.
2. The system of claim 1, wherein the controller is further configured to:
and determining the target time sequence control signal in at least one time sequence control signal according to the first flow value and a first corresponding relation, wherein the first corresponding relation comprises the corresponding relation between the first flow value and the target time sequence control signal.
3. The system of claim 1, wherein the system further comprises: a mobile terminal, wherein the mobile terminal is linked with the controller;
the mobile terminal is configured to receive a flow writing operation input by a user, generate the flow control instruction according to the flow writing operation, and send the flow control instruction to the controller;
the controller is further configured to receive the flow control instruction sent by the mobile terminal.
4. The system of claim 1, wherein the system further comprises: a flow control panel, wherein the flow control panel is linked with the controller;
the flow control panel is configured to receive a flow selection operation input by a user, generate the flow control instruction according to the flow selection operation, and send the flow control instruction to the controller;
the controller is further configured to receive a flow control instruction sent by the flow control panel.
5. The system of claim 1, wherein the system further comprises: a program control panel, wherein the program control panel is linked with the controller;
the program control panel is configured to receive a washing program selection operation input by a user, generate a washing program selection instruction according to the washing program selection operation, and send the washing program selection instruction to the controller;
the controller is further configured to determine the first flow value according to the washing program selection instruction sent by the program control panel.
6. The system of claim 1, wherein the system further comprises: the weighing subsystem is connected with the controller;
the weight measurement subsystem is configured to measure the weight of laundry in the washing machine;
the controller is configured to obtain a weight measured by the weight measurement subsystem and determine the first flow value based on the weight.
7. The system of any one of claims 1 to 6, wherein the signal processor is a thyristor switch component.
8. The system of any one of claims 1 to 6, wherein the valve is an electromagnetic water inlet valve.
9. A washing machine, characterized in that it comprises a flow control system according to any one of the preceding claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010013444.4A CN111118815B (en) | 2020-01-07 | 2020-01-07 | Flow control system and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010013444.4A CN111118815B (en) | 2020-01-07 | 2020-01-07 | Flow control system and washing machine |
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| CN111118815A CN111118815A (en) | 2020-05-08 |
| CN111118815B true CN111118815B (en) | 2024-03-12 |
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| CN202010013444.4A Active CN111118815B (en) | 2020-01-07 | 2020-01-07 | Flow control system and washing machine |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4084237A (en) * | 1977-03-28 | 1978-04-11 | Economics Laboratory, Inc. | Electronic laundry program control apparatus |
| JPH01107796A (en) * | 1987-10-20 | 1989-04-25 | Fujitsu General Ltd | System for controlling water stream in washer |
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| CN111118815A (en) | 2020-05-08 |
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