CN219940541U - Dish washer controller and dish washer - Google Patents
Dish washer controller and dish washer Download PDFInfo
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- CN219940541U CN219940541U CN202320990846.9U CN202320990846U CN219940541U CN 219940541 U CN219940541 U CN 219940541U CN 202320990846 U CN202320990846 U CN 202320990846U CN 219940541 U CN219940541 U CN 219940541U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 131
- 238000001514 detection method Methods 0.000 claims abstract description 105
- 238000010438 heat treatment Methods 0.000 claims abstract description 75
- 238000005406 washing Methods 0.000 claims abstract description 63
- 238000004851 dishwashing Methods 0.000 claims description 14
- 230000005674 electromagnetic induction Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- 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
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- Washing And Drying Of Tableware (AREA)
Abstract
The utility model discloses a dishwasher controller and a dishwasher, wherein the controller comprises a power supply circuit, a control circuit and a control circuit, wherein the power supply circuit is used for switching in a power supply and converting and outputting the voltage of the switched-in power supply; the water level detection circuit comprises a water level detection chip and water level sensors arranged in each cylinder body, and the water level detection chip is electrically connected with the power supply circuit and all the water level sensors; the lifting door detection circuit comprises a lifting door switch detection chip and a lifting door switch sensor, and the lifting door switch detection chip is electrically connected with the power supply circuit and the lifting door switch sensor; the relay control circuit comprises a washing control chip and a heating control chip, the washing control chip is electrically connected with all the washing devices, and the heating control chip is electrically connected with all the heating devices; the control chip is respectively and electrically connected with the power circuit, the water level detection chip, the lifting door switch detection chip, the washing control chip and the heating control chip, and can improve the control accuracy of the controller.
Description
Technical Field
The utility model relates to the field of dish washer control, in particular to a dish washer controller and a dish washer.
Background
The controller is used as a core control component of the dish washing machine and has a decisive effect on the washing effect of the dish washing machine. At present, in the related art, a plurality of control chips are mainly adopted to respectively control the dish washing machine to perform dish washing operation, a signal emission mode is adopted to communicate among the plurality of control chips, but in the working process of the dish washing machine, signals are easy to interfere, the control chips cannot receive correct signals, and therefore the control accuracy of the dish washing machine is reduced, misoperation of the dish washing machine is easy to occur, and the use of a user is influenced.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the dish washing machine controller, which can reduce the occurrence of signal interference of the controller, improve the control accuracy of the controller and effectively improve the control effect on the dish washing machine.
The utility model also provides a dish-washing machine with the dish-washing machine controller.
According to a first aspect of the utility model, a dishwasher controller comprises a power supply circuit for switching in a power supply and converting and outputting the voltage of the switched-in power supply; the water level detection circuit comprises a water level detection chip and water level sensors arranged in the cylinders, and the water level detection chip is respectively and electrically connected with the power supply circuit and all the water level sensors; the lifting door detection circuit comprises a lifting door switch detection chip and a lifting door switch sensor arranged on the lifting door of the dish washer, and the lifting door switch detection chip is respectively and electrically connected with the power supply circuit and the lifting door switch sensor; the relay control circuit comprises a washing control chip and a heating control chip, wherein the washing control chip and the heating control chip are respectively connected with the power supply circuit, the washing control chip is electrically connected with all the washing devices, and the heating control chip is electrically connected with all the heating devices; and the control chip is respectively and electrically connected with the power supply circuit, the water level detection chip, the lifting door switch detection chip, the washing control chip and the heating control chip.
The dishwasher controller according to the embodiment of the utility model has at least the following beneficial effects: the voltage of the access power supply is converted through the power supply circuit, and the voltage of the access power supply can be converted into the voltage required by the controller through the power supply circuit. The water level state in the cylinder body is obtained through the water level sensor arranged in the cylinder body, the water level sensor can send different level signals to the water level detection chip according to different water levels, and the water level detection chip judges the water level in the cylinder body according to the different level signals. The switch sensor is arranged on the dish washer and used for acquiring the switch device of the lifting door, the switch sensor can send different level signals to the lifting door switch detection chip according to the switch device of the lifting door, and the lifting door switch detection chip judges the switch state of the lifting door according to the different level signals. The relay circuit is used for controlling the heating device by sending different level signals through the heating control chip and controlling the washing device by sending different level signals through the washing control chip, and controlling different devices through different chips, so that the control accuracy can be effectively improved. The control chip is electrically connected with the power supply circuit, the water level detection chip, the lifting door switch detection chip, the washing control chip and the heating control chip respectively, and the control accuracy of the controller can be effectively improved through direct electrical connection among the chips, so that the problem that in the related art, a signal transmitting mode is adopted for communication, signal interference is easy to occur, and the control chip cannot receive a correct signal is avoided.
According to some embodiments of the utility model, the relay control circuit comprises a first voltage dividing resistor, a washing control switch and a first light emitting diode, wherein a first end of the washing control switch is connected with the washing control chip, a second end of the washing control switch is electrically connected with the first end of the first voltage dividing resistor, a positive end of the first light emitting diode is electrically connected with the second end of the first voltage dividing resistor, a negative end of the first light emitting diode is electrically connected with the washing control chip, and the power circuit is connected between the second end of the washing control switch and the first end of the first voltage dividing resistor.
According to some embodiments of the utility model, the relay control circuit comprises a second voltage dividing resistor, a heating control switch and a second light emitting diode, wherein a first end of the heating control switch is connected with the heating control chip, a second end of the heating control switch is electrically connected with a second end of the second voltage dividing resistor, a positive end of the second light emitting diode is electrically connected with a second end of the second voltage dividing resistor, a negative end of the second light emitting diode is electrically connected with the heating control chip, and the power circuit is connected between the second end of the heating control switch and the second end of the second voltage dividing resistor.
According to some embodiments of the utility model, the power supply circuit comprises an electromagnetic induction module, a switch control chip, an optocoupler and a transformer module, wherein the electromagnetic induction module, the switch control chip and the transformer module are sequentially and electrically connected, a light emitting end of the optocoupler is electrically connected with a secondary side of the transformer module, and a light receiving end of the optocoupler is connected with a VDD end of the switch control chip.
According to some embodiments of the utility model, the temperature detection circuit further comprises a temperature detection chip and temperature sensors arranged in the cylinders, and the temperature detection chip is respectively and electrically connected with the control chip and all the temperature sensors.
According to some embodiments of the utility model, the display circuit further comprises a display chip and a display, wherein the display chip is electrically connected with the display and the control chip respectively.
According to some embodiments of the utility model, the control chip further comprises a chip programming circuit for programming the running program of the control chip, and the chip programming circuit is electrically connected with the control chip.
According to some embodiments of the utility model, the dishwasher further comprises a water flow switch detection circuit for detecting the water flow rate of the water outlet end of the dishwasher, wherein the water flow switch detection circuit is arranged at the water outlet end and is electrically connected with the control chip.
According to some embodiments of the utility model, the dishwasher further comprises an audible prompting circuit for prompting an operating state of the dishwasher, the audible prompting circuit being connected with the control chip.
A dishwasher according to an embodiment of a second aspect of the utility model comprises a dishwasher controller according to any of the embodiments described above.
The dish washer according to the embodiment of the utility model has at least the following beneficial effects: the dishwasher controller comprises the dishwasher controller, the voltage of the access power supply is converted through the power supply circuit, and the voltage of the access power supply can be converted into the voltage required by the controller through the power supply circuit. The water level state in the cylinder body is obtained through the water level sensor arranged in the cylinder body, the water level sensor can send different level signals to the water level detection chip according to different water levels, and the water level detection chip judges the water level in the cylinder body according to the different level signals. The switch sensor is arranged on the dish washer and used for acquiring the switch device of the lifting door, the switch sensor can send different level signals to the lifting door switch detection chip according to the switch device of the lifting door, and the lifting door switch detection chip judges the switch state of the lifting door according to the different level signals. The relay circuit is used for controlling the heating device by sending different level signals through the heating control chip and controlling the washing device by sending different level signals through the washing control chip, and controlling different devices through different chips, so that the control accuracy can be effectively improved. The control chip is electrically connected with the power supply circuit, the water level detection chip, the lifting door switch detection chip, the washing control chip and the heating control chip respectively, and the control accuracy of the controller can be effectively improved through direct electrical connection among the chips, so that the problem that in the related art, a signal transmitting mode is adopted for communication, signal interference is easy to occur, and the control chip cannot receive a correct signal is avoided.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic block diagram of a dishwasher controller according to an embodiment of the present utility model;
FIG. 2 is a circuit diagram of an electromagnetic induction module of a power circuit of a dishwasher controller according to an embodiment of the present utility model;
FIG. 3 is a partial circuit diagram of a power circuit of a dishwasher controller according to an embodiment of the present utility model;
FIG. 4 is a circuit diagram of a water level detection circuit of a dishwasher controller according to an embodiment of the present utility model;
FIG. 5 is a circuit diagram of a pull-up door switch detection circuit of a dishwasher controller according to an embodiment of the present utility model;
FIG. 6 is a circuit diagram of a relay control circuit of a dishwasher controller according to an embodiment of the present utility model;
fig. 7 is a circuit diagram of a control chip of a dishwasher controller according to an embodiment of the present utility model.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1, fig. 1 is a schematic block diagram of a dishwasher controller according to an embodiment of the present utility model, the controller including a power supply circuit 100, a water level detection circuit, a sliding door detection circuit, a relay control circuit, and a control chip 600. The power supply circuit 100 is used for switching on a power supply, and then converting the voltage of the switched-on power supply into an operating voltage required for the operation of the water level detection circuit, the pull-up gate detection circuit, the relay control circuit, and the control chip 600. The water level detection circuit comprises a water level detection chip 200 and water level sensors 210 arranged in each cylinder body, the water level detection chip 200 is electrically connected with the power circuit 100 and all the water level sensors 210, when the water level in each cylinder body reaches a certain threshold value through the water level sensors 210 arranged in each cylinder body, the water level sensors 210 send level signals to the water level detection chip 200, and the water level detection chip 200 can judge the current water level condition in the cylinder body according to the level signals sent by the water level sensors 210. The sliding door detection circuit comprises a sliding door switch chip 300 and a sliding door switch sensor 310 arranged in the dishwasher, wherein the sliding door switch chip 300 is connected with the power circuit 100 and the sliding door switch sensor 310, different level signals are respectively transmitted to the sliding door switch chip 300 when the sliding door is opened and closed through the sliding door switch sensor 310, and the sliding door switch chip 300 judges the switch state of the sliding door according to the different level signals, for example, when the sliding door is opened, the sliding door switch sensor 310 transmits a low level signal to the sliding door switch chip 300; when the sliding door is closed, the sliding door switch sensor 310 transmits a high level signal to the sliding door switch chip 300. The relay control circuit includes a washing control chip 400 and a heating control chip 500, the washing control chip 400 is electrically connected with all the washing devices 410 and controls the operation states of all the washing devices 410, and the heating control chip 500 is electrically connected with all the heating devices 510 and controls the operation states of all the heating devices 510. The control chip 600 is electrically connected with the power circuit 100, the water level detection chip 200, the sliding door switch chip 300, the washing control chip 400 and the heating control chip 500 respectively, and can effectively improve the control accuracy of the controller by adopting the mode of directly carrying out data interaction between the chips by adopting the mutual connection of the chips, so that the occurrence of signal interference conditions of the controller can be reduced, and the control effect on the dish washing machine is effectively improved.
It can be understood that the control chip 600 may obtain the water level state in the cylinder and the sliding door switch device according to the level signals sent by the water level detection chip 200 and the sliding door switch detection chip, then compare the level signals sent by the water level detection chip 200 and the sliding door switch detection chip according to the comparator in the control chip 600, when the level signals are preset level signals, the control chip 600 sends corresponding level signals to the washing control chip 400 and the heating control chip 500, the washing control chip 400 controls the working state of the washing device 410 according to the received level signals, and the heating control chip 500 controls the heating device 510 of the heating device 510 according to the received level signals.
It will be appreciated that in other embodiments, a plurality of water level sensors 210 are provided within the cylinder, for example, a first water level sensor is provided at a first water level of the cylinder and a second water level sensor is provided at a second water level of the cylinder, the first water level being lower than the second water level. When the water level in the cylinder reaches the first water level, the first water level sensor sends a level signal to the water level detection chip 200, and the water level detection chip 200 can determine that the water level in the cylinder reaches the first water level according to the level chip sent by the first water level sensor; when the water level in the cylinder reaches the second water level height, the second water level sensor sends a level signal to the water level detection chip 200, and the water level detection chip 200 can determine that the water level in the cylinder reaches the second water level height according to the level chip sent by the second water level sensor.
It may be appreciated that the controller further includes a temperature detection circuit, where the temperature detection circuit includes a temperature detection chip 700 and temperature sensors 710 disposed in each cylinder, the temperature detection chip 700 is electrically connected with the control chip 600 and all the temperature sensors 710, respectively, the temperature detection chip 700 may determine a current temperature in the cylinder according to a level signal transmitted by the temperature sensor 710, and then transmit a level signal corresponding to the current temperature to the control chip 600, and the control chip 600 may transmit corresponding level signals to the heating control chip 500 according to different level signals transmitted by the temperature detection chip 700, thereby controlling a working device of the heating device 510.
It can be appreciated that the controller further includes a display circuit, the display circuit includes a display chip 800 and a display 810, the display chip 800 is electrically connected with the display 810 and the control chip 600, the display chip 800 can control the display 810 to display the working state of the dishwasher according to different level signals sent by the control chip 600, and the display 810 can display the working state of the dishwasher visually.
It can be understood that the controller further includes a chip programming circuit 900 for programming the running program of the control chip, the chip programming circuit 900 is electrically connected with the control chip 600, and a user can program the running program in the control chip 600 through the chip programming circuit 900, so as to improve the adjustability of the controller to adapt to different application environments.
It can be appreciated that the controller further includes a water flow switch detection circuit 1000 for detecting a water flow rate of the water outlet end of the dishwasher, the water flow switch detection circuit 1000 is disposed at the water outlet end of the dishwasher for detecting whether the water outlet of the dishwasher is normal, the water flow switch detection circuit 1000 is electrically connected with the control chip 600, the water flow switch detection circuit 1000 can send different level signals to the control chip 600 according to different water outlet states, and the control chip 600 judges the water outlet state of the dishwasher according to different level signals.
It may be appreciated that the controller further includes a sound prompting circuit 1100 for prompting the operation state of the dishwasher, the sound prompting circuit 1100 is electrically connected with the control chip 600, and the control chip 600 can control the sound prompting circuit 1100 to generate different prompting sounds according to different operation states of the dishwasher, so as to remind a user of which operation state of the dishwasher is currently performed. In further embodiments, the audible alert circuit 1100 may also be used to alert a user of a dishwasher to a malfunction.
Referring to fig. 2 and 3, the power circuit 100 includes an electromagnetic induction module 110, a rectification module 120, a switch control chip 130, an optocoupler 170, and a transformer module, and the electromagnetic induction module 110, the rectification module 120, the switch control chip 130, and the transformer module are electrically connected in sequence. The electromagnetic induction module 110 comprises a common mode inductor and a safety capacitor, wherein the common mode inductor is used for filtering electromagnetic interference signals of a common mode in a circuit, the safety capacitor is used for playing a role of power supply filtering, and filtering effects on common mode interference and differential mode interference are respectively achieved, and meanwhile, if the safety capacitor fails, electric shock is not caused, and personal safety is not endangered. The electromagnetic induction module 110 is connected to the rectification module 120, and converts the input ac power into dc power through the rectification module 120. The transformer module includes a transformer 140, a first output end 150 and a second output end 160, a first end of a first coil of the transformer 140 is connected with an anode output end of the rectifying module, a 1 st port and a 2 nd port of the switch chip 130 are connected with a cathode output end of the rectifying module 120, a 3 rd port and a 4 th port of the switch chip 130 are connected with a light receiving end of the optocoupler 170, a second end of the first coil is connected with a 5 th port to an 8 th port of the switch chip 130, a third coil of the transformer 140 is connected with a light emitting end of the optocoupler 170, a second coil of the transformer 140 is connected with the first output end 150, a third coil of the transformer 140 is connected with the second output end 160, and different voltages are output by changing coil turns of the second coil and the third coil, so that the first output end 150 and the second output end 160 can convert an accessed power supply into a plurality of different voltages to meet different use requirements.
Referring to fig. 4, the water level detection circuit includes a water level detection chip 200, one end of the water level detection chip 200 is connected with a control chip 600, the other end of the water level detection chip 200 is connected with a water level sensor 210, one end of the water level detection chip 200 connected with the control chip 600 is also connected with a power supply circuit 100, and the power supply circuit 100 provides an operating voltage of 5 volts for the water level detection chip 200.
Referring to fig. 5, the sliding door switching circuit includes a first sliding door detecting chip 320 and a second sliding door detecting chip 330, and a first end 321 of the first sliding door detecting chip 320 is connected to a first end 331 of the second sliding door detecting chip 330 for communication between the first sliding door detecting chip 320 and the second sliding door detecting chip 330. The second end 322 of the first sliding door detecting chip 320 and the second end 332 of the second sliding door detecting chip 330 are connected to the water level detecting chip 200, respectively. The third end 324 of the first pull-up gate detection chip 320 and the third end 334 of the second pull-up gate detection chip 330 are connected to the power circuit 100, respectively, and the power circuit 100 provides an operating voltage of 5 volts for the first pull-up gate detection chip 320 and the second pull-up gate detection chip 330. The fourth terminal 323 of the first pull-up gate detecting chip 320 and the fourth terminal 333 of the second pull-up gate detecting chip 330 are connected to the control chip 600, respectively. The fifth end 325 of the first sliding door detecting chip 320 is connected to the first sliding door switch sensor, and is configured to receive the electrical frequency signal transmitted by the first sliding door switch sensor to determine the switch condition of the sliding door; the fifth end 335 of the second sliding door detecting chip 330 is connected to the second sliding door switch sensor, and is configured to receive the electrical frequency signal transmitted by the second sliding door switch sensor to determine the opening and closing condition of the sliding door.
Referring to fig. 6, the relay control circuit includes a washing control chip 400, a heating control chip 500 connection, a washing switch circuit 420, and a heating switch circuit 520. The first end of the washing control chip 400 is connected with the washing switch circuit 420, the second end of the washing control chip 400 is connected with the control chip 600, the third end of the washing control chip 400 is connected with the power supply circuit 100, the power supply circuit 100 provides 12V working voltage for the washing control chip 400, the washing switch circuit 420 comprises a first voltage dividing resistor R59, a washing control switch K3 and a first light emitting diode D3, the first end of the washing control switch K3 is connected with the first end of the washing control chip 400, the second end of the washing control switch K3 is electrically connected with the first end of the first voltage dividing resistor R59, the positive end of the first light emitting diode D3 is electrically connected with the second end of the first voltage dividing resistor R59, the negative end of the first light emitting diode D3 is electrically connected with the washing control chip 400, and the power supply circuit 100 is connected between the second end of the washing control switch K3 and the first end of the first voltage dividing resistor R59 and provides 12V working voltage. The heating switch circuit 520 includes a second voltage dividing resistor R57, a heating control switch K1, and a second light emitting diode D1, where a first end of the heating control switch K1 is connected to a first end of the heating control chip 500, a second end of the heating control switch K1 is electrically connected to a second end of the second voltage dividing resistor R57, a positive end of the second light emitting diode D1 is electrically connected to a second end of the second voltage dividing resistor R57, a negative end of the second light emitting diode D1 is electrically connected to the heating control chip 500, and the power circuit 100 is connected between the second end of the heating control switch K1 and the second end of the second voltage dividing resistor R57 and provides a 12 v working voltage.
Referring to fig. 7, the 1 st and 2 nd ports of the control chip 600 are connected to the chip burning circuit 900, the 4 th port of the control chip 600 is connected to the first sliding door detecting chip 320, the 5 th port of the control chip 600 is connected to the second sliding door detecting chip 330, the 6 th to 8 th ends of the control chip 600 are connected to the power circuit 100, the 12 th to 17 th ends of the control chip 600 are connected to the washing control chip 400, the 18 th to 24 th ends of the control chip 600 are connected to the heating control chip 500, the 25 th to 29 th ends of the control chip 600 are connected to the temperature detecting chip 700, and the 30 th to 31 th ends of the control chip 600 are connected to the display 810.
It may be appreciated that after the sliding door switch sensor 310 on the sliding door detects that the sliding door is closed, the sliding door switch sensor 310 may send a level signal indicating that the sliding door is closed to the first sliding door detecting chip 320 and the second sliding door detecting chip 330, the first sliding door detecting chip 320 and the second sliding door detecting chip 330 send corresponding level signals to the control chip 600, and when the comparator in the control chip 600 determines that the current level signal is a signal that the sliding door is closed, the control chip 600 controls the dishwasher to inject water into the tub. When the water level in the cylinder reaches the position where the water level sensor 210 is located, the water level sensor 210 transmits a level signal indicating that the water level has reached a preset water level to the water level detection chip 200, the water level detection chip 200 transmits corresponding level signals to the first and second sliding door detection chips 320 and 330 to the control chip 600, and then the first and second sliding door detection chips 320 and 330 transmit corresponding level signals to the control chip 600, and the control chip 600 receives the corresponding signals to control the dishwasher to stop water injection and transmit a heating level signal to the heating control chip 500 to start the heating device 510. The heating control chip 500 receives the heating level signal from the control chip 600, controls the heating control switch K1 to be turned on, and the heating device 510 starts heating the water in the cylinder. In the heating process, the temperature sensor 710 sends different level signals to the temperature detection chip 700 according to different temperatures, the temperature detection chip 700 sends the level signals representing the different temperatures to the control chip 600, and when the level signals from the temperature detection chip 700 by the comparator in the control chip 600 are preset level signals, the water temperature in the cylinder body can be considered to reach the expected temperature. When the water temperature in the cylinder reaches the expected temperature, the control chip 600 sends a level signal for stopping heating to the heating control chip 500, and after the heating control chip 500 receives the level signal for stopping heating, the heating control switch K1 is controlled to be turned off. The control chip 600 transmits a level signal for stopping heating to the heating control chip 500 and also transmits a washing level signal to the washing control chip 400. After the washing control chip 400 receives the washing level signal, the washing control chip 400 controls the washing control switch K3 to turn on the washing device 410 in the tub.
In a second aspect, the utility model also provides a dishwasher comprising a dishwasher controller as in the embodiment of the first aspect above.
The dishwasher of an embodiment of the present utility model includes the dishwasher controller of the embodiment of the first aspect as above, including the power supply circuit 100, the water level detection circuit, the sliding door detection circuit, the relay control circuit, and the control chip 600. The power supply circuit 100 is used for switching on a power supply, and then converting the voltage of the switched-on power supply into an operating voltage required for the operation of the water level detection circuit, the pull-up gate detection circuit, the relay control circuit, and the control chip 600. The water level detection circuit comprises a water level detection chip 200 and water level sensors 210 arranged in each cylinder body, the water level detection chip 200 is electrically connected with the power circuit 100 and all the water level sensors 210, when the water level in each cylinder body reaches a certain threshold value through the water level sensors 210 arranged in each cylinder body, the water level sensors 210 send level signals to the water level detection chip 200, and the water level detection chip 200 can judge the current water level condition in the cylinder body according to the level signals sent by the water level sensors 210. The pull door detection circuit comprises a pull door switch chip 300 and a pull door switch sensor 310 arranged on the pull door of the dishwasher, wherein the pull door switch chip 300 is connected with the power circuit 100 and the pull door switch sensor 310, and when the pull door is opened and closed, different level signals are respectively transmitted to the pull door switch chip 300 through the pull door switch sensor 310, and the pull door switch chip 300 judges the switch state of the pull door according to the different level signals, for example, when the pull door is opened, the pull door switch sensor 310 transmits a low level signal to the pull door switch chip 300; when the sliding door is closed, the sliding door switch sensor 310 transmits a high level signal to the sliding door switch chip 300. The relay control circuit includes a washing control chip 400 and a heating control chip 500, the washing control chip 400 is electrically connected with all the washing devices 410 and controls the operation states of all the washing devices 410, and the heating control chip 500 is electrically connected with all the heating devices 510 and controls the operation states of all the heating devices 510. The control chip 600 is electrically connected with the power circuit 100, the water level detection chip 200, the sliding door switch chip 300, the washing control chip 400 and the heating control chip 500 respectively, and the control accuracy of the controller can be effectively improved by adopting the mode of directly carrying out data interaction between the chips by adopting the mutual connection of the chips, so that the occurrence of signal interference conditions of the controller can be reduced, and the control effect on the dish washing machine is effectively improved.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (10)
1. A dishwasher controller comprising a plurality of cylinders for washing dishes, each of said cylinders having a heating device and a washing device disposed therein, comprising:
the power supply circuit is used for switching in a power supply and converting and outputting the voltage of the switched-in power supply;
the water level detection circuit comprises a water level detection chip and water level sensors arranged in the cylinders, and the water level detection chip is respectively and electrically connected with the power supply circuit and all the water level sensors;
the lifting door detection circuit comprises a lifting door switch detection chip and a lifting door switch sensor arranged on the lifting door of the dish washer, and the lifting door switch detection chip is respectively and electrically connected with the power supply circuit and the lifting door switch sensor;
the relay control circuit comprises a washing control chip and a heating control chip, wherein the washing control chip and the heating control chip are respectively connected with the power supply circuit, the washing control chip is electrically connected with all the washing devices, and the heating control chip is electrically connected with all the heating devices;
and the control chip is respectively and electrically connected with the power supply circuit, the water level detection chip, the lifting door switch detection chip, the washing control chip and the heating control chip.
2. The dishwasher controller of claim 1, wherein the relay control circuit comprises a first voltage dividing resistor, a wash control switch, and a first light emitting diode, a first end of the wash control switch is connected to the wash control chip, a second end of the wash control switch is electrically connected to the first end of the first voltage dividing resistor, a positive end of the first light emitting diode is electrically connected to the second end of the first voltage dividing resistor, a negative end of the first light emitting diode is electrically connected to the wash control chip, and the power circuit is connected between the second end of the wash control switch and the first end of the first voltage dividing resistor.
3. The dishwasher controller of claim 1, wherein the relay control circuit comprises a second voltage divider resistor, a heating control switch, and a second light emitting diode, a first end of the heating control switch is connected to the heating control chip, a second end of the heating control switch is electrically connected to a second end of the second voltage divider resistor, a positive end of the second light emitting diode is electrically connected to a second end of the second voltage divider resistor, a negative end of the second light emitting diode is electrically connected to the heating control chip, and the power supply circuit is connected between the second end of the heating control switch and the second end of the second voltage divider resistor.
4. The dishwasher controller of claim 1, wherein the power supply circuit comprises an electromagnetic induction module, a switch control chip, an optocoupler and a transformer module, the electromagnetic induction module, the switch control chip and the transformer module are electrically connected in sequence, a light emitting end of the optocoupler is electrically connected with a secondary side of the transformer module, and a light receiving end of the optocoupler is connected with a VDD end of the switch control chip.
5. The dishwasher controller of claim 1, further comprising a temperature detection circuit comprising a temperature detection chip and temperature sensors disposed within each of the cylinders, the temperature detection chip being electrically connected to the control chip and all of the temperature sensors, respectively.
6. The dishwasher controller of claim 1, further comprising a display circuit comprising a display chip and a display, the display chip being electrically connected to the display and the control chip, respectively.
7. The dishwasher controller of claim 1, further comprising a chip programming circuit for programming the operating program of the control chip, the chip programming circuit being electrically connected to the control chip.
8. The dishwasher controller of claim 1, further comprising a water flow switch detection circuit for detecting a water flow rate at a water outlet end of the dishwasher, the water flow switch detection circuit being disposed at the water outlet end and electrically connected to the control chip.
9. The dishwasher controller of claim 1, further comprising an audible cue circuit for alerting an operating condition of the dishwasher, the audible cue circuit being coupled to the control chip.
10. A dishwasher, comprising a dishwasher controller as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320990846.9U CN219940541U (en) | 2023-04-26 | 2023-04-26 | Dish washer controller and dish washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320990846.9U CN219940541U (en) | 2023-04-26 | 2023-04-26 | Dish washer controller and dish washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219940541U true CN219940541U (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320990846.9U Active CN219940541U (en) | 2023-04-26 | 2023-04-26 | Dish washer controller and dish washer |
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| Country | Link |
|---|---|
| CN (1) | CN219940541U (en) |
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2023
- 2023-04-26 CN CN202320990846.9U patent/CN219940541U/en active Active
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