CN213751112U - Circuit structure of fingerprint identification interactive system of washing machine - Google Patents
Circuit structure of fingerprint identification interactive system of washing machine Download PDFInfo
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- CN213751112U CN213751112U CN202023043279.1U CN202023043279U CN213751112U CN 213751112 U CN213751112 U CN 213751112U CN 202023043279 U CN202023043279 U CN 202023043279U CN 213751112 U CN213751112 U CN 213751112U
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Abstract
The utility model discloses a circuit structure of a washing machine fingerprint identification interactive system, which comprises a power supply unit and a control unit, wherein the power supply unit is electrically connected with a frequency converter U through a frequency conversion filter IF, the frequency converter U is electrically connected with a frequency conversion motor M, and the frequency converter U is electrically connected with the control unit; the control unit is electrically connected with the storage unit, and the storage unit stores the interactive interface, the user information and the washing program; the control unit is electrically connected with the touch screen through the first interface, the first interface communication module, the second interface and the second interface communication module; the control unit is electrically connected with the fingerprint identification unit. The utility model provides a washing machine fingerprint identification interactive system's circuit structure can provide the interactive interface who accords with user demand according to the user of discernment for washing machine can be better through the user service of interactive interface for the difference, guarantees the convenience that washing machine used.
Description
Technical Field
The utility model relates to a washing machine control circuit field especially relates to a washing machine fingerprint identification interactive system's circuit structure.
Background
As a common household appliance, the functions of the washing machine tend to be diversified and complicated along with the development of the technology.
In the prior art, a washing machine often provides various functions to meet washing requirements of different clothes, for a user, most functions of the washing machine are often not needed for the clothes owned by the user, complexity of function interaction selected by the user is improved due to the various functions of the washing machine, and for some users, such as old users, the complicated interaction often enables the old users to control the washing machine from the beginning. For a specific user, if the washing machine can recognize the user, it is possible to provide the user with better interaction suitable for the user, and to provide the user-suitable function through the user-suitable interaction. The use experience of the user is facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model provides a circuit structure of a fingerprint identification interactive system of a washing machine, which comprises a power supply unit and a control unit, wherein,
the power supply unit is electrically connected with a frequency converter U through a frequency conversion filter IF, the frequency converter U is electrically connected with a frequency conversion motor M, and the frequency converter U is electrically connected with the control unit;
the control unit is electrically connected with the storage unit, and the storage unit stores and binds an interactive interface, user information, a fingerprint identification program and a washing program of a user;
the control unit is electrically connected with the touch screen through the first interface, the first interface communication module, the second interface and the second interface communication module;
the control unit is electrically connected with the fingerprint identification unit.
Furthermore, the power supply unit comprises a transformation filter TF, the input of the transformation filter TF is connected with an alternating current commercial power, the output of the transformation filter TF is connected with an alternating current-direct current conversion circuit and a voltage reduction and voltage stabilization circuit, and the voltage reduction and voltage stabilization circuit provides 24V direct current power supply for the circuit structure of the fingerprint identification interaction system of the washing machine;
the power supply unit further comprises an alternating current relay KM1, a three-phase alternating current power supply line is electrically connected with the variable frequency filter IF through the alternating current relay KM1, and the alternating current relay KM1 is electrically connected with the control unit.
Furthermore, the three-phase ac line of the power supply unit is electrically connected to the grounded varistor RV.
Further, the fingerprint identification unit includes fingerprint collection module and fingerprint identification module, fingerprint collection module electric connection the fingerprint identification module, fingerprint identification module electric connection the control unit.
Furthermore, the control unit is arranged on the main control board, and the main control board is electrically connected with the additive control unit, the indicating unit, the switch unit and the liquid level sensor through the driving circuit.
Still further, the additive control unit includes a first electric valve, a second electric valve, a first electric pump and a second electric pump, wherein the first electric valve is connected to the cold water source, the second electric valve is connected to the hot water source, and the first electric pump and the second electric pump are respectively connected to different accommodating tanks.
Furthermore, the indicating unit comprises a first indicating lamp and a second indicating lamp which are electrically connected with the control unit.
Further, the switch unit comprises a drainage switch, a door switch and a super-shock switch.
Furthermore, the first interface is a DTU interface, and the first interface communication module is a DTU data transmission unit; the second interface is an HMI interface, and the second interface communication module is an HMI data transmission unit.
The application provides a washing machine fingerprint identification interactive system's circuit structure specifically has following beneficial effect:
the circuit structure of the fingerprint identification interactive system for the washing machine can realize that the storage unit is provided with interactive interfaces suitable for users of different ages, user information is bound with the interactive interfaces through selection of the users, and the fingerprint identification unit is used for collecting the user fingerprints and binding the user fingerprints with the user information; when the washing machine is used, the fingerprint identification unit is used for collecting the user fingerprint and identifying the corresponding user information, and the control unit is used for displaying the interactive interface bound with the user information through the touch screen, so that different interactive interfaces can be provided according to different users, and the requirements of different users can be met. And the user sends the instruction information to the control unit through the first interface of the touch screen and the first interface communication module, and the control unit executes a corresponding washing program according to the instruction information. The control unit controls the frequency converter U according to the washing program to control the work of the variable frequency motor M, and the control unit controls the additive control unit, the indicating unit and the switch unit according to the washing program.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic diagram of a circuit structure of a fingerprint identification interaction system of a washing machine according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a control architecture of a fingerprint identification interactive system of a washing machine according to an embodiment of the present invention;
fig. 3 is a schematic diagram of the panel structure of the fingerprint identification interactive system of the washing machine according to the embodiment of the present invention.
Reference numerals and meanings in the drawings:
1. the device comprises a power supply unit, 2, a control unit, 3, frequency converters U, 4, variable frequency motors M, 5, a storage unit, 6, a touch screen, 7, a fingerprint identification unit, 8, an additive control unit, 81, an accommodating box, 9, an indicating unit, 10, a switch unit, 11 and a liquid level sensor.
The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The present invention will be explained in detail with reference to the accompanying drawings, wherein fig. 1 is a schematic diagram of a circuit structure of a fingerprint identification interaction system of a washing machine according to an embodiment of the present invention; fig. 2 is a schematic diagram of a control architecture of a fingerprint identification interactive system of a washing machine according to an embodiment of the present invention; fig. 3 is a schematic diagram of the panel structure of the fingerprint identification interactive system of the washing machine according to the embodiment of the present invention.
Referring to fig. 1, the present invention provides a circuit structure of a fingerprint identification interactive system of a washing machine, which comprises a power supply unit 1 and a control unit 2, wherein,
the power supply unit 1 comprises a transformation filter TF, the input of the transformation filter TF is connected with a live wire and a zero line of a three-phase alternating current commercial power, the output of the transformation filter TF is connected with an alternating current-direct current conversion circuit and a voltage reduction and voltage stabilization circuit, and the voltage reduction and voltage stabilization circuit provides 24V direct current power supply for a circuit structure of the washing machine fingerprint identification interactive system. The output end of the voltage transformation filter TF is also connected with a transformer, the transformer is electrically connected with a rear plate power supply interface, the rear plate power supply interface is arranged on the main control board, and the rear plate power supply interface is connected with an alternating current-direct current conversion circuit to supply power for the rear plate.
The power supply unit 1 further comprises an ac relay KM1, a three-phase ac power supply line is electrically connected to the variable frequency filter IF through the ac relay KM1, and the ac relay KM1 is electrically connected to the control unit 2. One possible way is: the control unit 2 controls the power-on and power-off of the alternating current relay KM1 through a mos switch to control the power supply and power off of the three-phase alternating current power supply line.
The variable frequency filter IF is electrically connected with a frequency converter U3, the frequency converter U3 is electrically connected with a variable frequency motor M4, and the frequency converter U3 is electrically connected with the control unit 2. In a specific implementation process, the control unit 2 is disposed on the main control board, pins S1, S2, S3, S4, S5, S6, SC, MB, and MC of the frequency converter U3 are connected to the main control board, where pins S1, S2, S3, S4, S5, S6, and MB are connected to the control unit 2, the control unit 2 controls the frequency converter U3 through pins S1, S2, S3, S4, S5, and S6, and the frequency converter U3 sends fault information to the control unit 2 through the MB pins. T, S, R pin of the frequency converter U3 is connected with the frequency conversion filter IF, W, V, U pin of the frequency converter U3 is connected with the frequency conversion motor M4, B1 pin and B2 pin of the frequency converter U3 are indirectly connected with a fuse FU1 and a resistor R.
In a practical implementation process, the control unit 2 is a model R5F212K, the control unit 2 is electrically connected to the storage unit 5, and the storage unit 5 stores an interactive interface, user information and a washing program.
The control unit 2 is electrically connected with the touch screen 6 through the first interface and the first interface communication module, and the second interface communication module. The touch screen 6 is powered by 24V power supplied by the voltage reduction and stabilization circuit. In a specific implementation process, the first interface is a DTU interface, and the first interface communication module is a DTU data transmission unit; the second interface is an HMI interface, and the second interface communication module is an HMI data transmission unit.
The control unit 2 is electrically connected with the fingerprint identification unit 7. The fingerprint identification unit 7 is powered by the voltage reduction and voltage regulation circuit to provide 24V power. In the specific implementation process, the fingerprint identification unit 7 comprises a fingerprint acquisition module and a fingerprint identification module, the fingerprint acquisition module is electrically connected with the fingerprint identification module, and the fingerprint identification module is electrically connected with the control unit 2. The fingerprint collection module is any one of an optical fingerprint collection module, a radio frequency fingerprint collection module and an ultrasonic fingerprint collection module. The fingerprint identification module is BF81160 in model number.
Referring to fig. 2, in an actual implementation process, the fingerprint acquisition module sends acquired fingerprint information to the fingerprint identification module for identification, the fingerprint identification module sends user information acquired by identifying a fingerprint to the control unit 2, the control unit 2 determines a bound interactive interface according to the user information, and the control unit 2 calls a corresponding interactive interface from the storage unit 5 and sends the interactive interface to the touch screen 6 through the second interface communication module and the second interface for display. Therefore, the corresponding interactive interface is provided according to the user information to meet the user requirements. The user inputs an instruction through the touch screen 6, and the instruction is sent to the control unit 2 through the first interface and the first interface communication module. The control unit 2 calls the washing program from the storage unit 5 according to the instruction to execute.
Referring to fig. 3, in a specific implementation, the touch screen 6 and the fingerprint identification unit 7 are integrated on a panel of the washing machine. The fingerprint acquisition module of the fingerprint identification unit 7 is arranged on the start key.
The main control board is electrically connected with the additive control unit 8, the indicating unit 9, the switch unit 10 and the liquid level sensor 11 through a driving circuit.
In a specific implementation process, the additive control unit 8 includes a first electric valve, a second electric valve, a first electric pump and a second electric pump, wherein the first electric valve is connected to a cold water source, the second electric valve is connected to a hot water source, the first electric pump and the second electric pump are respectively connected to different accommodating boxes 81, one accommodating box 81 stores detergent, and the other accommodating box 81 stores softener. The control unit 2 controls the first electric pump and the second electric pump to be powered on and powered off through an electric pump driving circuit on the main control board, the first electric pump and the second electric pump are powered by the voltage reduction and voltage stabilization circuit to provide 24V power, and the control unit 2 controls forward rotation and reverse rotation of the first electric valve and the second electric valve through an electric valve driving circuit on the main control board.
In a specific implementation process, the indication unit 9 includes a first indication lamp and a second indication lamp electrically connected to the control unit 2. The control unit 2 controls the first indicator light and the second indicator light to be powered on and powered off through the mos switch, so that the first indicator light and the second indicator light display different working states of the washing machine.
In a specific implementation process, the switch unit 10 includes a drainage switch, a door switch, and a super-shock switch. The control unit 2 controls the drainage switch, the door switch and the super-vibration switch to be turned on or off.
In a specific implementation process, the three-phase ac line of the power supply unit 1 is electrically connected to the grounded varistor RV. Through piezo-resistor RV can reduce the influence that the commercial power produced the voltage sudden change.
The circuit structure of the fingerprint identification interactive system for the washing machine can realize that the storage unit 5 is provided with interactive interfaces suitable for users of different ages, user information is bound with the interactive interfaces through selection of the users, and the fingerprint identification unit 7 is used for collecting the user fingerprints and binding the user fingerprints with the user information; when the washing machine is used, the fingerprint identification unit 7 collects fingerprints of users and identifies corresponding user information, the control unit 2 displays an interactive interface bound with the user information through the touch screen 6, so that different interactive interfaces are provided according to different users, the requirements of different users are met, and the condition that the washing machine cannot be used due to the fact that the users cannot operate the interactive interfaces is avoided. A user sends instruction information to the control unit 2 through the first interface of the touch screen 6 and the first interface communication module, the control unit 2 calls and executes a corresponding washing program from the storage unit 5 according to the instruction information, the control unit 2 controls the frequency converter U3 to control the operation of the variable frequency motor M4 according to the washing program, and the control unit 2 controls the additive control unit 8, the indicating unit 9 and the switch unit 10 according to the washing program.
It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. The circuit structure of the fingerprint identification interactive system of the washing machine is characterized by comprising a power supply unit (1) and a control unit (2), wherein,
the power supply unit (1) is electrically connected with a frequency converter U (3) through a frequency conversion filter IF, the frequency converter U (3) is electrically connected with a frequency conversion motor M (4), and the frequency converter U (3) is electrically connected with the control unit (2);
the control unit (2) is electrically connected with a storage unit (5), and the storage unit (5) stores an interactive interface, user information and a washing program;
the control unit (2) is electrically connected with the touch screen (6) through the first interface, the first interface communication module, the second interface and the second interface communication module;
the control unit (2) is electrically connected with the fingerprint identification unit (7).
2. The circuit structure of the fingerprint identification interaction system of the washing machine according to claim 1, wherein the power supply unit (1) comprises a transformation filter TF, the input of the transformation filter TF is connected with an alternating current commercial power, the output of the transformation filter TF is connected with an alternating current-direct current conversion circuit and a voltage reduction and stabilization circuit, and the voltage reduction and stabilization circuit provides 24V direct current power supply for the circuit structure of the fingerprint identification interaction system of the washing machine;
the power supply unit (1) further comprises an alternating current relay KM1, a three-phase alternating current power supply line is electrically connected with the variable frequency filter IF through the alternating current relay KM1, and the alternating current relay KM1 is electrically connected with the control unit (2).
3. The circuit structure of the fingerprint identification interaction system of the washing machine as claimed in claim 2, wherein the three-phase ac line of the power supply unit (1) is electrically connected to a grounded varistor RV.
4. The circuit structure of the washing machine fingerprint identification interaction system according to claim 1, wherein the fingerprint identification unit (7) comprises a fingerprint collection module and a fingerprint identification module, the fingerprint collection module is electrically connected with the fingerprint identification module, and the fingerprint identification module is electrically connected with the control unit (2).
5. The circuit structure of the fingerprint identification interaction system of the washing machine as claimed in claim 1, wherein the control unit (2) is disposed on a main control board, and the main control board is electrically connected to the additive control unit (8), the indication unit (9), the switch unit (10) and the liquid level sensor (11) through a driving circuit.
6. The circuit configuration of a washing machine fingerprint identification interaction system of claim 5, characterized in that the additive control unit (8) comprises a first electric valve, a second electric valve, a first electric pump and a second electric pump, wherein the first electric valve is connected with a cold water source, the second electric valve is connected with a hot water source, and the first electric pump and the second electric pump are respectively connected with different containing boxes.
7. The circuit structure of the washing machine fingerprint identification interaction system according to claim 5, wherein the indication unit (9) comprises a first indication lamp and a second indication lamp electrically connected with the control unit (2).
8. The circuit structure of a washing machine fingerprint identification interaction system according to claim 5, wherein the switch unit (10) comprises a drain switch, a door switch, and a super shock switch.
9. The circuit structure of the fingerprint identification interaction system of the washing machine as claimed in claim 1, wherein the first interface is a DTU interface, and the first interface communication module is a DTU data transmission unit; the second interface is an HMI interface, and the second interface communication module is an HMI data transmission unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023043279.1U CN213751112U (en) | 2020-12-16 | 2020-12-16 | Circuit structure of fingerprint identification interactive system of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023043279.1U CN213751112U (en) | 2020-12-16 | 2020-12-16 | Circuit structure of fingerprint identification interactive system of washing machine |
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| Publication Number | Publication Date |
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| CN213751112U true CN213751112U (en) | 2021-07-20 |
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| CN202023043279.1U Active CN213751112U (en) | 2020-12-16 | 2020-12-16 | Circuit structure of fingerprint identification interactive system of washing machine |
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Effective date of registration: 20221017 Granted publication date: 20210720 |
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