CN111118823A - Washing machine and control device thereof - Google Patents

Washing machine and control device thereof Download PDF

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Publication number
CN111118823A
CN111118823A CN201911378117.2A CN201911378117A CN111118823A CN 111118823 A CN111118823 A CN 111118823A CN 201911378117 A CN201911378117 A CN 201911378117A CN 111118823 A CN111118823 A CN 111118823A
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interface
washing machine
frequency converter
interface group
control apparatus
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CN201911378117.2A
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CN111118823B (en
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吴浩
李宗涛
韦唯
王昊天
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Wuxi Filin Electronics Co Ltd
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Wuxi Filin Electronics Co Ltd
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

The invention discloses a control device of a washing machine and the washing machine, wherein the control device adopts a first interface connected with an integrated frequency converter, adopts an interface group comprising a plurality of second interfaces respectively connected with the split frequency converter and a load, and controls the opening and closing of the first interface and the interface group through a controller connected with the first interface and the interface group, so that the control device of the washing machine can meet the requirements of the frequency conversion scheme of the integrated frequency converter of a household appliance, can meet the requirements of the frequency conversion scheme of the split frequency converter of the household appliance, and can reduce the development cost and the period of the household appliance. In addition, after-sale computer board standardization is realized, household appliance maintenance personnel can carry one computer board to maintain different household appliances, and the problems that after-sale computer boards are multiple and maintenance is complex are solved.

Description

Washing machine and control device thereof
Technical Field
The invention relates to the technical field of smart homes, in particular to a washing machine and a control device thereof.
Background
With the development of technology, more and more household appliances adopt the frequency conversion technology, such as frequency conversion washing machines, frequency conversion refrigerators, frequency conversion air conditioners and the like. The frequency conversion control scheme is divided into a frequency conversion scheme of the integrated frequency converter 2 and a frequency conversion scheme of the split frequency converter. The frequency conversion scheme of integral type converter 2 compares the frequency conversion scheme of split type converter 4, and integral type converter 2 can also control other loads of domestic appliance except can carrying out frequency conversion control to domestic appliance's motor. Fig. 1 is a schematic view of a variable frequency control scheme of a conventional household appliance. Fig. 2 is a schematic view of another frequency conversion control scheme of the conventional home appliance. Fig. 1 shows a frequency conversion scheme of an integrated frequency converter 2. In fig. 1, a main controller 1 is connected to an integral frequency converter 2, which is connected to a plurality of loads 3, wherein one of the plurality of loads 3 is a motor. Fig. 2 shows a frequency conversion scheme of a split frequency converter, in fig. 2, a main controller 1 is respectively connected with a split frequency converter 4, and the split frequency converter 4 is connected with a load 3 (i.e. a motor).
Specifically, in the frequency conversion scheme of the integrated frequency converter 2, the main controller 1 of the household appliance sends a control instruction to the integrated frequency converter 2 to control the operation of the integrated frequency converter 2, and the integrated frequency converter 2 sends an instruction to the motor connected with the integrated frequency converter and other loads except the motor to control the operation of the motor and other loads. In the frequency conversion scheme of the split frequency converter 4, the main controller 1 of the household appliance sends control instructions to the split frequency converter 4 connected with the main controller and other loads except the motor respectively to control the operation of the split frequency converter 4 and the load 3, and the split frequency converter 4 performs frequency conversion control on the connected motor.
However, the existing main controller of the household appliance only supports the frequency conversion scheme of the integrated frequency converter 2 or only supports the frequency conversion scheme of the split frequency converter 4, and the two schemes are not compatible with each other, so that the requirements of household appliances with different frequency conversion schemes on the market are difficult to be well met. In addition, the household appliance maintenance personnel need to carry different series of computer boards provided with the main controller for after-sale maintenance, and the problems of more after-sale computer boards and complex maintenance exist.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art described above.
To this end, a first object of the present invention is to propose a control device of a washing machine.
A second object of the invention is to propose a washing machine.
To achieve the above object, a first embodiment of the present invention provides a control device for a washing machine, including:
the first interface is used for being connected with an integrated frequency converter, wherein the integrated frequency converter is respectively connected with a plurality of loads;
the interface group comprises a plurality of second interfaces, and the second interfaces are respectively connected with the split type frequency converter and the load; and
and the controller is respectively connected with the first interface and the interface group, controls the interface group to be closed when controlling the first interface to be opened, and controls the first interface to be opened when controlling the interface group to be closed.
In addition, the environment control device based on the air conditioning robot of the embodiment of the invention also has the following additional technical characteristics:
in one possible implementation, the plurality of loads includes a motor, a water inlet valve, a tractor, and a drain pump.
In a possible implementation manner, one of the second ports is connected to the motor through a split-type frequency converter, and the other second ports are respectively connected to the water inlet valve, the tractor and the drainage pump.
In one possible implementation, the integrated frequency converter is connected with the motor, the water inlet valve, the tractor and the drainage pump respectively.
In one possible implementation, the control device further includes:
and the load detector is respectively connected with the first interface and the interface group and is used for detecting whether the first interface or the interface group is connected with a load or not.
In a possible implementation manner, when the load detector detects that a load is connected to the first interface or the interface group, the controller turns on the first interface or the interface group connected with the load and turns off the first interface or the interface group not connected with the load.
In one possible implementation manner, the controller is further connected with a human-computer interaction unit of the washing machine;
when the controller receives a working mode instruction sent by the man-machine interaction unit, the controller controls the first interface to be opened and controls the interface group to be closed according to the working mode instruction, or the controller controls the first interface to be closed and controls the interface group to be opened according to the working mode instruction.
In a possible implementation manner, the human-computer interaction unit outputs prompt information, where the prompt information is used to indicate whether an operating mode instruction for instructing the washing machine to enter a frequency conversion mode of the integrated frequency converter or an operating mode instruction for instructing the washing machine to enter a frequency conversion mode of the split frequency converter is input.
In a possible implementation manner, the human-computer interaction unit requests the controller to send a detection result of the load detector, and outputs the prompt information according to the detection result.
In order to achieve the above object, a second embodiment of the present invention provides a washing machine, including: any one of the integral type inverter and the split type inverter, and the control device of the washing machine as described above.
The technical solution provided by the above embodiment of the present invention has at least the following technical effects:
the control device of the washing machine adopts the first interface to be connected with the integrated frequency converter, the interface group comprising the second interfaces is respectively connected with the split frequency converter and the load, and the controller connected with the first interface and the interface group controls the opening and closing of the first interface and the interface group, so that the control device of the washing machine can meet the requirement of the frequency conversion scheme of the integrated frequency converter of the household appliance, can meet the requirement of the frequency conversion scheme of the split frequency converter of the household appliance, and reduces the development cost and the period of the household appliance. In addition, after-sale computer board standardization is realized, and household appliance maintenance personnel carry one computer board to maintain different household appliances, so that the problems of multiple after-sale computer boards and complex maintenance are solved.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a variable frequency control scheme of a prior art household appliance;
FIG. 2 is a schematic diagram of another variable frequency control scheme of a prior art household appliance;
fig. 3 is a schematic structural view of a control apparatus of a washing machine according to an embodiment of the present invention;
FIG. 4 is a diagram of an application scenario, according to one embodiment of the present invention;
fig. 5 is a schematic structural view of a control apparatus of a washing machine according to another embodiment of the present invention;
FIG. 6 is a diagram of an application scenario according to another embodiment of the present invention;
fig. 7 is a schematic structural view of a washing machine according to an embodiment of the present invention.
Description of reference numerals:
a main controller: 1 integral type converter: 2, loading: 3
Split type converter: control device of washing machine 4: 5, a first interface: 51
Interface group: 52 second interface: 521 load detector: 53
A controller: 50 human-computer interaction unit: 6
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
A control device of a washing machine and a washing machine according to an embodiment of the present invention will be described with reference to the accompanying drawings.
In order to meet the requirements of household appliances with different frequency conversion schemes on the market, the invention provides a control device 5 of a washing machine, which adopts a first interface 51 connected with an integrated frequency converter 2, adopts an interface group 52 comprising a plurality of second interfaces 521 respectively connected with a split frequency converter 4 and a load 3, and controls the opening and closing of the first interface 51 and the interface group 52 through a controller connected with the first interface 51 and the interface group 52, so that the control device 5 of the washing machine can meet the requirements of the frequency conversion schemes of the integrated frequency converter 2 of the household appliance, can meet the requirements of the frequency conversion schemes of the split frequency converter 4 of the household appliance, and can reduce the development cost and the period of the household appliance. In addition, after-sale computer board standardization is realized, household appliance maintenance personnel can carry one computer board to maintain different household appliances, and the problems that after-sale computer boards are multiple and maintenance is complex are solved.
Specifically, fig. 3 is a schematic structural view of a control device 5 of a washing machine according to an embodiment of the present invention, as shown in fig. 3, the control device including: a first interface 51, where the first interface 51 is used to connect to an integrated frequency converter 2, where the integrated frequency converter 2 is connected to a plurality of loads 3 respectively; the interface group 52 comprises a plurality of second interfaces 521, and the second interfaces 521 are used for being connected with the split type frequency converter 4 and the load 3 respectively; and a controller respectively connected to the first interface 51 and the interface group 52, wherein the controller controls the interface group 52 to be closed when controlling the first interface 51 to be opened, and controls the first interface 51 to be opened when controlling the interface group 52 to be closed.
The first interface 51 and the second interface 521 may be serial communication interfaces, such as RS-232 standard interfaces, but not limited thereto.
The integrated frequency converter 2 and the split frequency converter 4 can be frequency converters with the same or different existing specifications. Taking a household appliance as a washing machine as an example, the washing machine provided with the integrated frequency converter 2 or the split frequency converter 4 can be understood as a variable frequency washing machine, the integrated frequency converter 2 or the split frequency converter 4 controls the rotating speed of a motor of the washing machine to adjust the washing and dewatering speed, and in addition, the integrated frequency converter 2 can also perform variable frequency control on loads 3 such as a water inlet valve, a tractor and a drainage pump of the washing machine. It should be noted that the plurality of loads 3 of the washing machine are not limited to the motor, the water inlet valve, the tractor and the drain pump.
FIG. 4 is a diagram of an application scenario, according to one embodiment of the present invention. In fig. 4, when the controller controls the first interface 51 to be turned on and the interface group 52 to be turned off, the controller sends a control command to the integral inverter 2 through the first interface 51 to control the operation of the integral inverter 2, and the integral inverter 2 sends a command to the motor and the other loads 3 except the motor connected thereto to control the operation of the motor and the other loads 3. Wherein, a plurality of loads 3 connected with the integrated frequency converter 2 comprise motors. In fig. 4, if the controller controls the first interface 51 to be closed and the interface group 52 to be opened, the controller sends control instructions to the split frequency converter 4 and the loads 3 connected thereto through the interface group 52 to control the operation of the split frequency converter 4 and the loads 3, and the split frequency converter 4 performs frequency conversion control on the connected motors. Wherein, the load 3 connected with the split frequency converter 4 is a motor.
As an example, when the plurality of loads 3 of the washing machine include a motor, a water inlet valve, a tractor, and a drain pump, one second port 521 of the plurality of second ports 521 is connected to the motor through the split type inverter 4, and the other second ports 521 are connected to the water inlet valve, the tractor, and the drain pump, respectively.
As an example, when the plurality of loads 3 of the washing machine include a motor, a water inlet valve, a tractor, and a drain pump, the integrated inverter 2 is connected to the motor, the water inlet valve, the tractor, and the drain pump, respectively.
Fig. 5 is a schematic structural view of a control device 5 of a washing machine according to another embodiment of the present invention. Further, in order to implement a frequency conversion scheme adopted by the automatic identification of the washing machine and improve the intelligence of the control device 5 of the washing machine, the control device 5 of the washing machine further comprises a load detector 53 which is different from the connection between the first interface 51 and the interface group 52, and the load detector 53 is used for detecting whether the first interface 51 or the interface group 52 is connected with the load 3.
Specifically, when the load detector 53 detects that the load 3 is connected to the first interface 51 or the interface group 52, the controller turns on the first interface 51 or the interface group 52 to which the load 3 is connected, and turns off the first interface 51 or the interface group 52 to which the load 3 is not connected.
The load detector 53 may be an existing detection circuit capable of testing whether the load 3 is connected to the first interface 51 or the interface group 52. The detection circuit identifies whether the load 3 is connected to the first interface 51 or the interface group 52 by one or more of the detected voltage, current, impedance, and the like.
Fig. 6 is a diagram of an application scenario according to another embodiment of the present invention. Further, in order to improve the man-machine interaction of the washing machine, the controller is also connected with a man-machine interaction unit 6 of the washing machine; when the controller receives a working mode instruction sent by the human-computer interaction unit 6, the controller controls the first interface 51 to be opened and controls the interface group 52 to be closed according to the working mode instruction, or the controller controls the first interface 51 to be closed and controls the interface group 52 to be opened according to the working mode instruction.
The human-computer interaction unit 6 of the washing machine may be a control panel of the washing machine, and a user may input an operation mode instruction through the control panel.
Specifically, a user inputs an operation mode command for instructing the washing machine to enter a frequency conversion mode of the integral frequency converter 2 through the human-computer interaction unit 6, and after receiving the operation mode command, the washing machine controls the first interface 51 to be opened and controls the interface group 52 to be closed. Or, the user inputs an operation mode instruction for instructing the washing machine to enter the frequency conversion mode of the split frequency converter 4 through the man-machine interaction unit 6, and after receiving the operation mode instruction, the washing machine controls the first interface 51 to be closed and controls the interface group 52 to be opened.
Further, in order to avoid the user from inputting an incorrect working mode instruction, the washing machine prompts the user on the man-machine interaction unit 6 which frequency conversion scheme the washing machine currently adopts, and the user determines whether to input a working mode instruction for instructing the washing machine to enter the frequency conversion mode of the integrated frequency converter 2 or determines to input a working mode instruction for instructing the washing machine to enter the frequency conversion mode of the split frequency converter 4 according to the prompt of the washing machine.
Specifically, the human-computer interaction unit 6 outputs prompt information for indicating whether an operation mode instruction for instructing the washing machine to enter the frequency conversion mode of the integral frequency converter 2 or an operation mode instruction for instructing the washing machine to enter the frequency conversion mode of the split frequency converter 4 is input.
As an example, the human-computer interaction unit 6 requests the controller to transmit the detection result of the load detector 53, and outputs prompt information according to the detection result. Specifically, the human-computer interaction unit 6 may request the controller to send a detection result of the load detector 53, and if the detection result of the load detector 53 indicates that the first interface 51 is connected with the load 3, the human-computer interaction unit 6 prompts the user that the current washing machine adopts the frequency conversion scheme of the integrated frequency converter 2; if the detection result of the load detector 53 indicates that the interface set 52 is connected with the load 3, the human-computer interaction unit 6 prompts the user that the current washing machine adopts the frequency conversion scheme of the split frequency converter 4.
According to the control device 5 of the washing machine provided by the embodiment of the invention, the first interface 51 is connected with the integrated frequency converter 2, the interface group 52 comprising the plurality of second interfaces 521 is respectively connected with the split frequency converter 4 and the load 3, and the opening and closing of the first interface 51 and the interface group 52 are controlled by the controller connected with the first interface 51 and the interface group 52, so that the control device 5 of the washing machine can meet the requirements of the frequency conversion scheme of the integrated frequency converter 2 of the household appliance, can meet the requirements of the frequency conversion scheme of the split frequency converter 4 of the household appliance, and can reduce the development cost and the period of the household appliance. In addition, after-sale computer board standardization is realized, household appliance maintenance personnel can carry one computer board to maintain different household appliances, and the problems that after-sale computer boards are multiple and maintenance is complex are solved.
In order to realize the embodiment, the invention further provides the washing machine. Fig. 7 is a schematic structural view of a washing machine according to an embodiment of the present invention, as shown in fig. 7, the washing machine including: any one of the integral type inverter 2 and the split type inverter 4, and the control device 5 of the washing machine in any one of the embodiments described above.
It should be noted that the foregoing explanation of the control device of the washing machine is also applicable to the washing machine according to the embodiment of the present invention, and the implementation principle is similar, and is not repeated herein.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing steps of a custom logic function or process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. If implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. A control apparatus of a washing machine, characterized by comprising:
the first interface is used for being connected with an integrated frequency converter, wherein the integrated frequency converter is respectively connected with a plurality of loads;
the interface group comprises a plurality of second interfaces, and the second interfaces are respectively connected with the split type frequency converter and the load; and
and the controller is respectively connected with the first interface and the interface group, controls the interface group to be closed when controlling the first interface to be opened, and controls the first interface to be opened when controlling the interface group to be closed.
2. The control apparatus of a washing machine as claimed in claim 1, wherein the plurality of loads include a motor, a water inlet valve, a tractor and a drain pump.
3. The control apparatus of a washing machine as claimed in claim 2, wherein one of the plurality of second ports is connected to the motor through a split type inverter, and the other second ports are connected to the feed valve, the tractor and the drain pump, respectively.
4. The control apparatus of a washing machine as claimed in claim 2, wherein the integrated inverter is connected to the motor, the feed valve, the tractor and the drain pump, respectively.
5. The control apparatus of a washing machine as claimed in claim 1, further comprising:
and the load detector is respectively connected with the first interface and the interface group and is used for detecting whether the first interface or the interface group is connected with a load or not.
6. The control apparatus of a washing machine as claimed in claim 5, wherein when the load detector detects that a load is connected to the first interface or the interface group, the controller turns on the first interface or the interface group to which the load is connected and turns off the first interface or the interface group to which the load is not connected.
7. The control apparatus of a washing machine as claimed in claim 6, wherein the controller is further connected with a human-machine interaction unit of the washing machine;
when the controller receives a working mode instruction sent by the man-machine interaction unit, the controller controls the first interface to be opened and controls the interface group to be closed according to the working mode instruction, or the controller controls the first interface to be closed and controls the interface group to be opened according to the working mode instruction.
8. The control apparatus of a washing machine as claimed in claim 7, wherein the human-machine interaction unit outputs a prompt message for indicating whether an operation mode command for instructing the washing machine to enter a frequency conversion mode of the integral type inverter or an operation mode command for instructing the washing machine to enter a frequency conversion mode of the split type inverter is inputted.
9. The control apparatus of a washing machine as claimed in claim 8, wherein the human-machine interaction unit requests the controller to transmit a detection result of the load detector, and outputs the prompt message according to the detection result.
10. A washing machine, characterized by comprising: any one of an integral inverter and a split inverter, and a control apparatus of a washing machine according to any one of claims 1 to 9.
CN201911378117.2A 2019-12-27 2019-12-27 Washing machine and control device thereof Active CN111118823B (en)

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CN111118823B CN111118823B (en) 2022-08-02

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CN112162488A (en) * 2020-09-15 2021-01-01 无锡飞翎电子有限公司 Control method and device, variable-frequency household appliance and storage medium
CN113605049A (en) * 2021-07-23 2021-11-05 海信(山东)冰箱有限公司 Washing machine and control method thereof

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CN206256279U (en) * 2016-10-28 2017-06-16 无锡飞翎电子有限公司 Washing machine and its control device
CN208012228U (en) * 2018-03-13 2018-10-26 长虹美菱股份有限公司 A kind of supply unit of frequency conversion refrigerator
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CN203173621U (en) * 2013-02-21 2013-09-04 深圳市海浦蒙特科技有限公司 Elevator integrated controller
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Publication number Priority date Publication date Assignee Title
CN112162488A (en) * 2020-09-15 2021-01-01 无锡飞翎电子有限公司 Control method and device, variable-frequency household appliance and storage medium
CN112162488B (en) * 2020-09-15 2023-09-05 无锡飞翎电子有限公司 Control method and device, variable frequency household appliance and storage medium
CN113605049A (en) * 2021-07-23 2021-11-05 海信(山东)冰箱有限公司 Washing machine and control method thereof

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