CN211270598U - Novel dish washer water heating trouble self-checking system - Google Patents
Novel dish washer water heating trouble self-checking system Download PDFInfo
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- CN211270598U CN211270598U CN201922058184.8U CN201922058184U CN211270598U CN 211270598 U CN211270598 U CN 211270598U CN 201922058184 U CN201922058184 U CN 201922058184U CN 211270598 U CN211270598 U CN 211270598U
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Abstract
The utility model relates to a water heating fault detection field discloses a novel dish washer water heating fault self-checking system, including MCU, the power control module, IO heat-generating body protection circuit, quartz heat-generating body, the rivers sensor, square wave generator, the temperature sensor of intaking, first ADC module, go out water temperature sensor, second ADC module and human-computer interaction panel, the end of intaking is connected to the input of rivers sensor, the output of rivers sensor is connected with the input of the temperature sensor of intaking and square wave generator's input, the output of the temperature sensor of intaking is connected with the input of first ADC module and the input of quartz heat-generating body respectively, MCU's clock source adopts inside crystal oscillator mode, quartz heat-generating body adopts quartzy nanometer coating film technology to make. The utility model discloses be fit for the complex environment and use, reliable stable, longe-lived, low power dissipation, heat conversion rate height, rate of heating is fast, temperature control is accurate, not amassing scale, ability pinpoint the trouble problem.
Description
Technical Field
The utility model relates to a water heating fault detection field, in particular to novel dish washer water heating fault self-checking system.
Background
The traditional water heating mode adopts a metal resistance wire mode to heat water, and the defects of high power consumption, low heat conversion efficiency, short service life of a heating wire, easy occurrence of electric leakage condition, high maintenance cost and the like can be generated when the traditional water heating mode is used on a dish-washing machine. To take a typical failure process: heating system of metal resistance wire mode is rotatory spiral shell type because of inner structure in the use, and the water that flows through for a long time naturally produces the incrustation scale on the heat-generating body, and when the incrustation scale accumulation to a certain extent, the heat-generating body can't give off self heat, leads to inside high temperature to cause to burn and wear to cause the short circuit electric leakage problem.
The dish washer on the current market does not have the trouble and is from breaking the function, and the equipment of selling if certain part trouble appears, the user does not know which part of object breaks down, because of the dish washer structure is complicated the size huge, leads to after-sales personnel to fix a position the problem earlier on the scene, just can send corresponding trouble accessory to the scene, can produce more after-sales expense problem like this.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a novel dish washer water heating trouble self-checking system that is fit for the complex environment and uses, reliably stable, longe-lived, low power dissipation, heat conversion rate height, rate of heating are fast, temperature control is accurate, not amasss incrustation scale, can pinpoint the trouble problem.
The utility model provides a technical scheme that its technical problem adopted is: a novel dish washing machine water heating fault self-checking system is constructed, and comprises an MCU, a power control module, an IO/heating element protection circuit, a quartz heating element, a water flow sensor, a square wave generator, an inlet water temperature sensor, a first ADC module, an outlet water temperature sensor, a second ADC module and a man-machine interaction panel, wherein the input end of the water flow sensor is connected with the inlet water end, the output end of the water flow sensor is respectively connected with the input end of the inlet water temperature sensor and the input end of the square wave generator, the output end of the inlet water temperature sensor is respectively connected with the input end of the first ADC module and the input end of the quartz heating element, the output end of the square wave generator and the output end of the first ADC module are both connected with the input end of the MCU, the output end of the quartz heating element is connected with the, the output of leaving water temperature sensor with the input of second ADC module is connected, the output of leaving water temperature sensor still connects out the water end, the output of second ADC module with MCU's input is connected, MCU's output with power control module's input is connected, power control module's output with IO heat-generating body protection circuit's input is connected, IO heat-generating body protection circuit's output with quartz heat-generating body's input is connected, IO heat-generating body protection circuit still with MCU's input is connected, human-computer interaction panel with MCU connects, MCU's clock source adopts inside crystal oscillator mode, quartz heat-generating body adopts quartz nanometer coating film technology to make.
Novel dish washer water heating trouble self-checking system in, power control module includes silicon controlled rectifier and relay, the input of silicon controlled rectifier with the input of relay all with MCU's output is connected, the output of silicon controlled rectifier with the output of relay all with IO heat-generating body protection circuit's input is connected.
In the novel self-checking system for water heating fault of dishwasher, the MCU employs STC15K series.
Novel dish washer water heating trouble self-checking system in, be equipped with the button and the button that reduces the temperature that heat that are used for setting up leaving water temperature on the human-computer interaction panel.
Novel dish washer water heating trouble self-checking system in, still be equipped with the setting button that is used for looking over discharge attitude, current actual output and equipment trouble code on the human-computer interaction panel.
Novel dish washer water heating trouble self-checking system in, still be equipped with the red light that is used for the green lamp of running state demonstration and is used for unusual trouble to show on the human-computer interaction panel.
Novel dish washer water heating trouble self-checking system in, still be equipped with into water temperature display area, set for temperature display area and play water temperature display area on the human-computer interaction panel.
Novel dish washer water heating trouble self-checking system in, still include water heating module, transmission band, main little water pump of washing, main big water pump of washing, first fan, second fan and simulation number of revolutions collection module, water heating module's output the output of transmission band the output of main little water pump of washing the output of main big water pump the output of first fan with the output of second fan is all simulation number of revolutions collection module's input is connected, simulation number of revolutions collection module's output with MCU's input is connected.
In the self-checking system for water heating fault of dishwasher, the quartz heating element comprises a plurality of parallel heating groups.
Implement the utility model discloses a novel dish washer water heating trouble self-checking system has following beneficial effect: owing to be equipped with MCU, power control module, IO heat-generating body protection circuit, quartzy heat-generating body, rivers sensor, square wave generator, the temperature sensor of intaking, first ADC module, play water temperature sensor, second ADC module and human-computer interaction panel, MCU's clock source adopts inside crystal oscillator mode, and quartzy heat-generating body adopts quartzy nanometer coating film technology to make, the utility model discloses be fit for complex environment and use, reliable and stable, longe-lived, low power dissipation, heat conversion rate height, rate of heating is fast, temperature control is accurate, not amass incrustation, can pinpoint the fault problem.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of a self-checking system for water heating faults of a dishwasher according to the present invention;
FIG. 2 is a schematic structural diagram of the human-computer interaction panel in the embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the embodiment of the self-checking system for water heating failure of dishwasher of the present invention, the schematic structural diagram of the self-checking system for water heating failure of dishwasher is shown in fig. 1. In fig. 1, the novel dishwasher water heating fault self-checking system comprises an MCU1, a power control module 2, an IO/heater protection circuit 3, a quartz heater 4, a water flow sensor 5, a square wave generator 6, an inlet water temperature sensor 7, a first ADC module 8, an outlet water temperature sensor 9, a second ADC module 10 and a human-computer interaction panel 11, wherein an input end of the water flow sensor 5 is connected with an inlet water end, an output end of the water flow sensor 5 is respectively connected with an input end of the inlet water temperature sensor 7 and an input end of the square wave generator 6, an output end of the inlet water temperature sensor 7 is respectively connected with an input end of the first ADC module 8 and an input end of the quartz heater 4, an output end of the square wave generator 6 and an output end of the first ADC module 8 are both connected with an input end of an MCU1, and an output end of the quartz, the output end of the water outlet temperature sensor 9 is connected with the input end of the second ADC module 10, the output end of the water outlet temperature sensor 9 is further connected with the water outlet end, the output end of the second ADC module 10 is connected with the input end of the MCU1, the output end of the MCU1 is connected with the input end of the power control module 2, the output end of the power control module 3 is connected with the input end of the IO/heating element protection circuit 3, the output end of the IO/heating element protection circuit 3 is connected with the input end of the quartz heating element 4, and the IO/heating element protection circuit 3 is further connected with the input end of the MCU 1. The human-computer interaction panel 11 is connected with the MCU1, and can perform fault display or terminate specified actions.
The water flow sensor 5 detects water flow data of a water inlet end and sends the water flow data to the square wave generator 6, the square wave generator 6 converts the water flow data into square wave signals and sends the square wave signals to the MCU1, the water inlet temperature sensor 7 detects water inlet temperature of the water inlet end and sends the water inlet temperature of the water inlet end to the first ADC module 8, the first ADC module 8 converts the water inlet temperature of the water inlet end into digital signals and sends the digital signals to the MCU1, the water outlet temperature sensor 9 detects the water outlet temperature of the water outlet end and sends the water outlet temperature of the water outlet end to the second ADC module 10, the second ADC module 10 converts the water outlet temperature of the water outlet end into digital signals and sends the digital signals to the MCU1, and when the error between the water inlet temperature of the water inlet end or the water outlet temperature of the water outlet end and a set temperature is larger than a set error range, power adjustment is carried out.
The current power calculation formula of the quartz heating body 4 is as follows: current function rate (output temperature-input temperature) current water flow rate error coefficient/1000; the error coefficient is used as the corrected output power when leaving the factory, and the default value of the error is 61.
The MCU1 adopts STC15K series, and the clock source of the MCU1 adopts an internal crystal oscillation mode, so that the MCU is suitable for complex environment and is reliable and stable. The quartz heating body 4 is made by adopting a quartz nano film coating process, changes the traditional heating wire mode, and has the advantages of long service life, low power consumption, high heat conversion rate, high heating speed, accurate temperature control, no scale deposit and the like. The quartz heating element 4 includes a plurality of heating groups connected in parallel.
In this embodiment, the power control module 2 includes a thyristor and a relay (not shown in the figure), an input end of the thyristor and an input end of the relay are both connected to the output end of the MCU1, and an output end of the thyristor and an output end of the relay are both connected to the input end of the IO/heat-generating body protection circuit 3.
The self-checking system for the water heating fault of the dish washing machine is realized by adopting a closed-loop PID temperature algorithm, the small-amplitude temperature regulation adopts PWM to control the output power of the controllable silicon, the large-amplitude temperature control adopts an heating/cooling overtime mode to control the switching of the relay, and the results of the two realize high-efficiency and accurate heating power control. In order to protect the heating group more effectively, functions of water shortage protection, water inlet delay protection, ultrahigh temperature protection, sensor abnormity protection and the like can be set.
Fig. 2 is a schematic structural diagram of the human-computer interaction panel in the embodiment, in fig. 2, a warming button 111 and a temperature-reducing button 112 are arranged on the human-computer interaction panel 11, and the warming button 111 and the temperature-reducing button 112 are used for setting the outlet water temperature and have a power-off preservation function. The man-machine interaction panel 11 is further provided with a setting button 113, and the setting button 113 is used for checking water flow state, current actual output power, equipment fault codes and the like. The man-machine interaction panel 11 is also provided with a green light 114 and a red light 115, wherein the green light 114 is used for displaying the running state, and the red light 115 is used for displaying the abnormal fault.
In this embodiment, the man-machine interaction panel 11 is further provided with an inlet water temperature display area 116, a set temperature display area 117, and an outlet water temperature display area 118. The inlet water temperature display area 116 is used for displaying the inlet water temperature, the set temperature display area 117 is used for displaying the set temperature, and the outlet water temperature display area 118 is used for displaying the water temperature.
In this embodiment, this novel dish washer water heating trouble self-checking system still includes water heating module 12, transmission band 13, main washing small water pump 14, main washing large water pump 15, first fan 16, second fan 17 and simulation number of revolutions word collection module 18, wherein, the output of water heating module 12, the output of transmission band 13, main washing small water pump 14's output, main washing large water pump 15's output, the equal simulation number of revolutions word collection module 18's of output of first fan 16 and second fan 17 input is connected, simulation number of revolutions word collection module 18's output is connected with MCU 1's input. The water heating module 12, the transmission belt 13, the main washing small water pump 14, the main washing large water pump 15, the first fan 16 and the second fan 17 send respective data to the analog-to-digital acquisition module 18, and the analog-to-digital acquisition module 18 converts the received data into digital signals and sends the digital signals to the MCU 1.
This novel dish washer water heating trouble self-checking system can design equipment operating condition's real-time supervision function, can the various abnormalities of monitoring facilities, if: heating group heating abnormality, motor idling/jamming, water pipe blockage, transmission belt abnormality and the like.
The utility model discloses be equipped with the trouble suggestion sign indicating number, can pinpoint the trouble problem, for example: FFFF 00: water shortage, water flow sensor failure; FFFF 01: the heating group outputs an ultra-high temperature alarm; FFFF 02: water intake sensor anomaly; FFFF 03: an out-of-water sensor is abnormal; FFFF04, fan 1 motor abnormal; FFFF 05: the motor of the fan 2 is abnormal; FFFF 06: the main washing big water pump is abnormal; FFFF 07: the small water pump of the main washing is abnormal; FFFF 08: the conveyance belt is abnormal.
In a word, in this embodiment, the MCU1 adopts STC15K series, and the clock source adopts an internal crystal oscillator mode, which is suitable for complex environments, reliable and stable, and the heating element adopts a quartz nano-coating process, and changes the traditional heating wire mode, and has the advantages of long service life, low power consumption, high thermal conversion rate, fast heating speed, accurate temperature control, no scale deposit, and the like. Through setting up the fault code, can pinpoint the trouble problem.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A novel dish washer water heating fault self-checking system is characterized by comprising an MCU, a power control module, an IO/heating element protection circuit, a quartz heating element, a water flow sensor, a square wave generator, a water inlet temperature sensor, a first ADC module, a water outlet temperature sensor, a second ADC module and a man-machine interaction panel, wherein the input end of the water flow sensor is connected with the water inlet end, the output end of the water flow sensor is respectively connected with the input end of the water inlet temperature sensor and the input end of the square wave generator, the output end of the water inlet temperature sensor is respectively connected with the input end of the first ADC module and the input end of the quartz heating element, the output end of the square wave generator and the output end of the first ADC module are both connected with the input end of the MCU, the output end of the quartz heating element is connected with the input end of the water, the output of leaving water temperature sensor with the input of second ADC module is connected, the output of leaving water temperature sensor still connects out the water end, the output of second ADC module with MCU's input is connected, MCU's output with power control module's input is connected, power control module's output with IO heat-generating body protection circuit's input is connected, IO heat-generating body protection circuit's output with quartz heat-generating body's input is connected, IO heat-generating body protection circuit still with MCU's input is connected, human-computer interaction panel with MCU connects, MCU's clock source adopts inside crystal oscillator mode, quartz heat-generating body adopts quartz nanometer coating film technology to make.
2. The self-checking system for the water heating fault of the novel dish-washing machine as claimed in claim 1, wherein the power control module comprises a thyristor and a relay, the input end of the thyristor and the input end of the relay are both connected with the output end of the MCU, and the output end of the thyristor and the output end of the relay are both connected with the input end of the IO/heating element protection circuit.
3. The novel dishwasher water heating fault self-checking system according to claim 1, wherein the MCU employs STC15K series.
4. The self-checking system for the water heating fault of the novel dish-washing machine as claimed in claim 1, wherein a heating button and a temperature-reducing button for setting the temperature of the outlet water are arranged on the man-machine interaction panel.
5. The self-checking system for the water heating fault of the novel dishwasher according to claim 4, wherein a setting button for checking the water flow state, the current actual output power and the equipment fault code is further provided on the human-computer interaction panel.
6. The self-checking system for the water heating fault of the novel dishwasher according to claim 5, wherein the human-computer interaction panel is further provided with a green light for displaying the operation state and a red light for displaying the abnormal fault.
7. The self-checking system for the water heating fault of the novel dish-washing machine as claimed in claim 6, wherein the man-machine interaction panel is further provided with an inlet water temperature display area, a set temperature display area and an outlet water temperature display area.
8. The self-checking system for the water heating fault of the novel dish washing machine according to any one of claims 1 to 7, further comprising a water heating module, a transmission belt, a main washing small water pump, a main washing large water pump, a first fan, a second fan and an analog rotation number acquisition module, wherein the output end of the water heating module, the output end of the transmission belt, the output end of the main washing small water pump, the output end of the main washing large water pump, the output end of the first fan and the output end of the second fan are all connected with the input end of the analog rotation number acquisition module, and the output end of the analog rotation number acquisition module is connected with the input end of the MCU.
9. The self-checking system for water heating faults of the novel dishwasher according to any one of claims 1 to 7, wherein the quartz heating body comprises a plurality of heating groups connected in parallel.
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| CN201922058184.8U CN211270598U (en) | 2019-11-25 | 2019-11-25 | Novel dish washer water heating trouble self-checking system |
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| CN201922058184.8U CN211270598U (en) | 2019-11-25 | 2019-11-25 | Novel dish washer water heating trouble self-checking system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110840362A (en) * | 2019-11-25 | 2020-02-28 | 广州易帮客环保科技有限公司 | Novel dish washer water heating trouble self-checking system |
| CN112220423A (en) * | 2020-09-29 | 2021-01-15 | 宁波方太厨具有限公司 | Dish washing machine water inlet control method and dish washing machine |
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2019
- 2019-11-25 CN CN201922058184.8U patent/CN211270598U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110840362A (en) * | 2019-11-25 | 2020-02-28 | 广州易帮客环保科技有限公司 | Novel dish washer water heating trouble self-checking system |
| CN112220423A (en) * | 2020-09-29 | 2021-01-15 | 宁波方太厨具有限公司 | Dish washing machine water inlet control method and dish washing machine |
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