CN203643788U - Water purifying device fault self-inspection technology - Google Patents
Water purifying device fault self-inspection technology Download PDFInfo
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- CN203643788U CN203643788U CN201320886381.9U CN201320886381U CN203643788U CN 203643788 U CN203643788 U CN 203643788U CN 201320886381 U CN201320886381 U CN 201320886381U CN 203643788 U CN203643788 U CN 203643788U
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Abstract
The utility model discloses a water purifying device fault self-inspection technology, which comprises a fault detection circuit, a singlechip control circuit, a display circuit and a power supply circuit, wherein the fault detection circuit feeds back electric signals for operating conditions to the singlechip control circuit, sends a high-level signal to the singlechip control circuit when a fault occurs, and sends a low-level signal to the singlechip control circuit when the device operates normally; the singlechip control circuit receives the electric signals outputted by the fault detection circuit, does not send a signal to the display circuit when the low-level signal is received, and sends a signal to the display circuit when the high-level signal is received; the display circuit receives the electric signals outputted by the singlechip control circuit, does not operate when the low-level signal is received, and operates when the high-level signal is received to display a fault indicating lamp; and the power supply circuit provides power for the detection circuit, the singlechip control circuit and the display circuit. The water purifying device fault self-inspection technology can carry out self inspection of circuit faults, displays through the indicating lamp when a fault is detected, and does not display if not, thereby ensuring a terminal user can use safely.
Description
Technical field
The utility model relates to a kind of water purification installation, refers to especially a kind of water purification installation fault self-checking technology.
Background technology
In current water purification installation manufacturing, water purification installation great majority all only have single water purifying function, and lack these functions for terminal user safety design, at present, most of water purification installations on the market all just rest on this simple function of reporting to the police for the self-inspection of leaking, and the utility model relates to each critical piece of whole water purification installation, as long as wherein one is broken down, this device all can be presented on display screen originally installs current duty with prompting user; Announcement of the present utility model is intended to fill up the blank in this field, and promotes user's experience, improves security (water purification machine relates to 220V～household electric), ease for use that water purification installation uses for domestic consumer.
Utility model content
The purpose of this utility model is to provide a kind of water purification installation fault self-checking technology, and its fault in can the each circuit of self-inspection, in the time detecting fault, shows by pilot lamp, otherwise do not show, ensures that terminal user can use safely.
To achieve these goals, the utility model provides a kind of water purification installation fault self-checking technology, comprising:
Failure detector circuit: to single chip machine controlling circuit, in the time breaking down, give high level signal of single chip machine controlling circuit by the working condition electricity consumption signal feedback in its circuit; In the time of normal work, give low level signal of single chip machine controlling circuit;
Single chip machine controlling circuit: receive the electric signal of failure detector circuit output, do not give display circuit signal in the time receiving low level signal; In the time receiving high level signal to signal of display circuit;
Display circuit: receive the electric signal of single chip machine controlling circuit output, display circuit is not worked in the time receiving low level signal; Display circuit work in the time receiving high level signal, shows malfunction indicator lamp;
Feed circuit: power supply is provided to testing circuit, single chip machine controlling circuit and display circuit.
Described failure detector circuit is low tension switch testing circuit, described low tension switch testing circuit comprises PP low tension switch, one electrode of described PP low tension switch is connected with the pin 10 of the main control chip of single chip machine controlling circuit through resistance R 33, another electrode grounding of described PP low tension switch, connects capacitor C 34 between two electrodes of described PP low tension switch.
Described failure detector circuit is heating tank testing circuit, described heating tank testing circuit comprises temperature probe, one electrode of described temperature probe is connected with the pin 14 of the main control chip of single chip machine controlling circuit, this electrode of described temperature probe is through resistance R 14 ground connection, the two ends of described resistance R 14 connect capacitor C 10, and another electrode of described temperature probe is connected with+5V power supply.
Described failure detector circuit is pump working state detection circuit, described pump working state detection circuit comprises water pump, one electrode of described water pump is connected with the pin 21 of the main control chip of single chip machine controlling circuit through resistance R 37, serial resistance R1 and diode D2 between two electrodes of described water pump, the two ends of described resistance R 1 connect capacitor C 22, the two ends of described capacitor C 22 connect diode D26, the link ground connection of resistance R 1 and diode D2, another electrode of described water pump is connected with the input end of relay K EY3, output terminal two electrodes of relay K EY3 are connected with diode D8, output terminal one electrode of relay K EY3 is connected with+24V power supply, another electrode of the output terminal of relay K EY3 is connected with the pin 33 of the main control chip of single chip machine controlling circuit after triode Q3 and resistance R 40, the grounded emitter of triode Q3.
Described failure detector circuit is electromagnetic valve work state detection circuit, described electromagnetic valve work state detection circuit comprises solenoid valve, described solenoid valve one electrode is connected with the pin 22 of the main control chip of single chip machine controlling circuit through resistance R 36, contact resistance R2 and diode D1 between two electrodes of described solenoid valve, the two ends of resistance R 2 connect capacitor C 21, the two ends of capacitor C 21 connect diode D25, the link ground connection of resistance R 2 and diode D1, another electrode of described solenoid valve is connected with the input end of relay K EY2, output terminal two electrodes of relay K EY2 are connected with diode D7, output terminal one electrode of relay K EY2 is connected with+24V power supply, another electrode of relay K EY2 output terminal is connected with the pin 34 of the main control chip of single chip machine controlling circuit after triode Q2 and resistance R 39, this electrode of relay K EY2 output terminal is through triode Q2, after resistance R 39 and resistance R 54, be connected with+5V power supply.
Described failure detector circuit is high, in, low-water level testing circuit, described high water stage testing circuit comprises the high water stage probe that is arranged at water tank upper, one electrode of high water stage probe is through capacitor C 3, after resistance R 6, be connected with+24V power supply, this electrode of high water stage probe is also connected with the pin 25 of the main control chip of single chip machine controlling circuit after triode Q6 and resistance R 10, the grounded emitter of triode Q6, another electrode of high water stage probe is through capacitor C 4, after diode D17 and resistance R 23, be connected with the pin 20 of main control chip, this electrode of high water stage probe is also through capacitor C 4, diode D17, the rear ground connection of resistance R 24, the two ends of resistance R 24 connect capacitor C 14, between this electrode of high water stage probe and the pin 20 of main control chip, be connected with resistance R 27 and diode D20, the link ground connection of resistance R 27 and diode D20, the two ends of resistance R 27 connect capacitor C 17, the two ends of capacitor C 17 connect diode D14, described middle water level testing circuit comprises the middle water level probe that is arranged at water tank middle part, one electrode of middle water level probe is through capacitor C 5, after resistance R 4, be connected with+24V power supply, this electrode of middle water level probe is also connected with the pin 25 of main control chip after triode Q7 and resistance R 11, the grounded emitter of triode Q7, another electrode of middle water level probe is through capacitor C 6, diode D16, after resistance R 21, be connected with the pin 19 of main control chip, this electrode of middle water level probe is also through capacitor C 6, diode D16, the rear ground connection of resistance R 22, the two ends of resistance R 22 connect capacitor C 13, between this electrode of middle water level probe and the pin 19 of main control chip, be connected with resistance R 26 and diode D19, the link ground connection of resistance R 26 and diode D19, the two ends of resistance R 26 connect capacitor C 16, the two ends of capacitor C 16 connect diode D13, described low-water level testing circuit comprises the low-water level probe that is arranged at water tank bottom, one electrode of low-water level probe is through capacitor C 7, after resistance R 5, be connected with+24V power supply, this electrode of low-water level probe is also connected with the pin 25 of main control chip after triode Q8 and resistance R 12, the grounded emitter of triode Q8, another electrode of low-water level probe is through capacitor C 8, after diode D15 and resistance R 19, be connected with the pin 18 of main control chip, this electrode of low-water level probe also passes through capacitor C 8, diode D15, the rear ground connection of resistance R 20, the two ends of resistance R 20 connect capacitor C 12, between this electrode of low-water level probe and the pin 18 of main control chip, be connected with resistance R 25 and diode D18, the link ground connection of resistance R 25 and diode D18, the two ends of resistance R 25 connect capacitor C 15, the two ends of capacitor C 15 connect diode D12.
Also comprise driving circuit: receive the electric signal of single chip machine controlling circuit output, drive circuit works in the time receiving low level signal; In the time receiving high level signal, driving circuit is not worked; Described single chip machine controlling circuit in the time receiving the low level signal of failure detector circuit to Persistent Excitation of driving circuit, in the time receiving high level signal to not output signal of driving circuit; Described driving circuit provides power supply by described feed circuit.
Described failure detector circuit is crystal oscillator time control circuit, described crystal oscillator time control circuit comprises chip IC 5, the pin 1 of chip IC 5, 8 connection+3.6V power supplys, the pin 2 of chip IC 5 ground connection after capacitor C 27, the pin 3 of chip IC 5 is through crystal oscillator XT, the rear ground connection of capacitor C 27, pin 4 ground connection of chip IC 5, the pin 3 of chip IC 5, between 4, connect capacitor C 28, the pin 7 of chip IC 5 is connected with the pin 42 of the main control chip of single chip machine controlling circuit through resistance R 45, the pin 7 of chip IC 5 is also connected with+5V power supply through resistance R 51, the pin 6 of chip IC 5 is connected with the pin 43 of main control chip through resistance R 46, the pin 6 of chip IC 5 is also connected with+5V power supply through resistance R 50, the pin 5 of chip IC 5 is connected with the pin 44 of main control chip through resistance R 47, the pin 5 of chip IC 5 is also connected with+5V power supply through resistance R 49.
Described driving circuit is heater switch circuit, described heater switch circuit comprises the relay K EY1 being connected with domestic power supply, two output terminals of relay K EY1 are connected with diode D6, one of them output terminal connection+24V voltage of relay K EY1, another output terminal of relay K EY1 is connected with the pin 35 of the main control chip of single chip machine controlling circuit after triode Q1, resistance R 38, this output terminal of relay K EY1 is also connected with+5V power supply after triode Q1, resistance R 38, resistance R 55, the grounded emitter of triode Q1.
Also comprise functions of child lock button driving circuit, described functions of child lock button driving circuit comprises hot water key, and described hot water key is connected with the pin 3 of chip IC 2 through resistance R 17, and the pin 14 of chip IC 2 is connected with the pin 16 of main control chip.
Adopt after such scheme, the utility model water purification installation fault self-checking technology feeds back to single chip machine controlling circuit by failure detector circuit to self circuit working state, feed back to display circuit by single chip machine controlling circuit again, in the time that failure detector circuit breaks down, the pilot lamp of display circuit shows, otherwise do not show, thereby ensure that terminal user can use safely.
Further beneficial effect of the present utility model is: low tension switch testing circuit is set, in the time of start, if main control chip detects because of the closed high level signal producing of PP low tension switch by pin 10, display screen does not show, as main control chip only detects low level signal, main control chip will be presented at the cotton obstruction of PP icon on display screen by display screen single chip circuit so, inform user, ensure user's use safety.
Further beneficial effect of the present utility model is: heating tank testing circuit is set, after heating function is opened, main control chip detects the temperature in heating tank by pin 14, as closed in heating tank testing circuit 3 minutes, and cannot detect in heating tank, there is temperature rise by pin 14, main control chip is presented at heating tank fault on display screen by display screen single-chip microcomputer, informs user, ensures user's use safety.
Further beneficial effect of the present utility model is: when pump working state detection circuit is opened at water function processed, main control chip detects the duty of water pump by pin 21, in the time of pump working, pin 21 can detect a high level signal, main control chip provides the voltage of a 5V to relay K EY3 by pin 33, make relay K EY3 closure, now water pump two ends have a 24V voltage, as water pump is not worked, main control chip can detect a low level signal by pin 21, and by display screen single-chip microcomputer, water pump fault is presented on screen, thereby inform user, ensure user's use safety.
Further beneficial effect of the present utility model is: electromagnetic valve work state detection circuit detects the duty of solenoid valve by the pin 22 of main control chip, in the time that the signal of low tension switch closure arrives main control chip, main control chip can be given by pin 34 voltage of a 5V of relay K EY2, make relay K EY2 closure, the object of 24V voltage is provided to be reached for solenoid valve, in the time that solenoid valve is normally worked, pin 22 can feed back to high level signal of main control chip, as solenoid valve can not be worked, main control chip can detect a low level signal by pin 22, and by display screen single-chip microcomputer, solenoid valve failure is presented on display screen, thereby inform user, ensure user's use safety.
Further beneficial effect of the present utility model is: high, medium and low water level detection circuit is set, and display screen has animation to show the rising of testing circuit detected water level and decline (i.e. water processed and discharge water); In testing circuit detects, when low-water level, in, low-water level animation Chang Liang, in the time that testing circuit detects high water stage, single chip machine controlling circuit drive motor and solenoid valve quit work.
Further beneficial effect of the present utility model is: crystal oscillator time control circuit and heater switch circuit are set, by the pin 42,43,44 of main control chip detect if the time at 11 in evening between 6 of the next mornings, make heater circuit always in off-state by pin 35, so, main control chip detects the signal of forcing heating by button driving circuit, by the closed heater circuit of pin 35.
Further beneficial effect of the present utility model is: functions of child lock button driving circuit is set, detect the input signal of hot water key by the pin 16 of main control chip, under original state, the incoming level signal of hot water key is low level, and in the time that user presses hot water key with finger is long, button driving circuit can change incoming level signal, now incoming level signal becomes high level, now main control chip can lock hot water valve by pin 32, and hot water valve can not be opened, and avoids hot water valve surprisingly to open and scald.
Brief description of the drawings
Fig. 1 is the logic diagram one of the utility model water purification installation fault self-checking technology;
Fig. 2 is the power supply circuit of the utility model water purification installation fault self-checking technology;
Fig. 3 is the main control chip circuit diagram of the utility model water purification installation fault self-checking technology;
Fig. 4 is the low tension switch testing circuit figure of the utility model water purification installation fault self-checking technology;
Fig. 5 is the heating tank testing circuit figure of the utility model water purification installation fault self-checking technology;
Fig. 6 is the pump working state detection circuit figure of the utility model water purification installation fault self-checking technology;
Fig. 7 is the electromagnetic valve work state detection circuit figure of the utility model water purification installation fault self-checking technology;
Fig. 8 is the high water stage testing circuit figure of the utility model water purification installation fault self-checking technology;
Fig. 9 is the middle water level testing circuit figure of the utility model water purification installation fault self-checking technology;
Figure 10 is the low-water level testing circuit figure of the utility model water purification installation fault self-checking technology;
Figure 11 is the logic diagram two of the utility model water purification installation fault self-checking technology;
Figure 12 is the heater switch circuit diagram of the utility model water purification installation fault self-checking technology;
Figure 13 is the crystal oscillator time control circuit figure of the utility model water purification installation fault self-checking technology;
Figure 14 is the functions of child lock button driving circuit figure of the utility model water purification installation fault self-checking technology.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, so that those skilled in the art can better understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figure 1, the utility model water purification installation fault self-checking technology, comprise feed circuit 1: shown in Fig. 2, feed circuit 1 comprise chip IC 1, pin 1 and the pin 7 of chip IC 1, 8 connect, the pin 2 of chip IC 1 ground connection after diode D11, simultaneously the pin 2 of chip IC 1 is connected with+5V power supply through inductance L, the pin 3 of chip IC 1 is through capacitor C 2 ground connection, pin 4 ground connection of chip IC 1, the pin 5 of chip IC 1 is connected with+5V power supply through resistance R 7, pin 5 ground connection after resistance R 8 of chip IC 1 simultaneously, the pin 6 of chip IC 1 is connected with+24V power supply, the pin 6 and pin 7 of chip IC 1 simultaneously, between 8, be connected with resistance R 3,
Single chip machine controlling circuit 2: as shown in Figure 3, single chip machine controlling circuit 2 comprises main control chip 5;
Failure detector circuit 3: this failure detector circuit 3 is low tension switch testing circuit 6.As shown in Figure 4, low tension switch testing circuit 6 comprises PP(filter element filtering water delivering orifice) low tension switch 7, one electrode of PP low tension switch 7 is connected with the pin 10 of main control chip 5 through resistance R 33, and another electrode grounding of PP low tension switch 7 connects capacitor C 34 between two electrodes of PP low tension switch 7;
With display circuit 4, on display circuit 4, be useful on the display screen (not shown) that shows fault.
In the time of start, if the pin 10 of main control chip 5 detects because of the closed high level signal producing of PP low tension switch 7, display screen does not show, as 5 of main control chips detect low level signal, main control chip 5 will be presented at the cotton obstruction of PP icon on display screen by display screen single chip circuit so.
As shown in Figure 5, failure detector circuit 3 is the circuit diagram of heating tank testing circuit 8, heating tank testing circuit 8 comprises temperature probe 9, one electrode of temperature probe 9 is connected with the pin 14 of main control chip 5, this electrode of temperature probe 9 is through resistance R 14 ground connection, this electrode of temperature probe 9 is through capacitor C 10 ground connection, and another electrode of temperature probe 9 is connected with+5V power supply.
After heating function is opened, main control chip 5 detects the temperature in heating tank by pin 14, as closed in heating tank testing circuit 3 minutes, and cannot detect in heating tank have temperature rise by pin 14, main control chip is presented at heating tank fault on display screen by display screen single-chip microcomputer.
As shown in Figure 6, failure detector circuit 3 is the circuit diagram of pump working state detection circuit 10, it comprises water pump 11, one electrode of water pump 11 is connected with the pin 21 of the main control chip 5 of single chip machine controlling circuit through resistance R 37, serial resistance R1 and diode D2 between two electrodes of water pump 11, the two ends of resistance R 1 connect capacitor C 22, the two ends of capacitor C 22 connect diode D26, the link ground connection of resistance R 1 and diode D2, another electrode of water pump 11 is connected with the input end of relay switch KEY3, output terminal two electrodes of relay K EY3 are connected with diode D8, output terminal one electrode of relay K EY3 is connected with+24V power supply, another electrode of the output terminal of relay K EY3 is connected with the pin 33 of main control chip 5 after triode Q3 and resistance R 40, the grounded emitter of triode Q3.
In the time that water function processed is opened, the pin 21 of main control chip 5 detects the duty of water pump 11, in the time that water pump 11 is worked, pin 21 can detect a high level signal, and main control chip 5 provides the voltage of a 5V to relay K EY3 by pin 33, makes relay K EY3 closure, now water pump 11 two ends have a 24V voltage, as water pump 11 is not worked, the pin 21 of main control chip 5 can detect a low level signal, and by display screen single-chip microcomputer, water pump 11 faults is presented on screen.
As shown in Figure 7, failure detector circuit 3 is the circuit diagram of pump working state detection circuit 12, it comprises solenoid valve 13, one electrode of solenoid valve 13 is connected with the pin 22 of the main control chip 5 of single chip machine controlling circuit through resistance R 36, contact resistance R2 and diode D1 between two electrodes of solenoid valve 13, the two ends of resistance R 2 connect capacitor C 21, the two ends of capacitor C 21 connect diode D25, the link ground connection of resistance R 2 and diode D1, another electrode of solenoid valve 13 is connected with the input end of relay K EY2, output terminal two electrodes of relay K EY2 are connected with diode D7, output terminal one electrode of relay K EY2 is connected with+24V power supply, another electrode of relay K EY2 output terminal is connected with the pin 34 of main control chip 5 after triode Q2 and resistance R 39, this electrode of relay K EY2 output terminal is through triode Q2, after resistance R 39 and resistance R 54, be connected with+5V power supply.
In the time that the signal of low tension switch closure arrives main control chip 5, main control chip 5 can be given by pin 34 voltage of a 5V of relay K EY2, make relay K EY2 closure, the object of 24V voltage is provided to be reached for solenoid valve 13, in the time of solenoid valve 13 normal work, pin 22 can feed back to 5 one high level signals of main control chip, as solenoid valve 13 can not be worked, main control chip 5 can detect a low level signal by pin 22, and by display screen single-chip microcomputer, solenoid valve 13 faults is presented on display screen.
When failure detector circuit 3 is high water stage testing circuit 14, when middle water level testing circuit 15 and low-water level testing circuit 16, as Fig. 8, shown in Fig. 9 and Figure 10, high water stage testing circuit 14 comprises the high water stage probe 17 that is arranged at water tank upper, one electrode of high water stage probe 17 is through capacitor C 3, after resistance R 6, be connected with+24V power supply, this electrode of high water stage probe 17 is also connected with the pin 25 of main control chip 5 after triode Q6 and resistance R 10, the grounded emitter of triode Q6, another electrode of high water stage probe 17 is through capacitor C 4, after diode D17 and resistance R 23, be connected with the pin 20 of main control chip 5, this electrode of high water stage probe 17 is also through capacitor C 4, diode D17, the rear ground connection of resistance R 24, the two ends of resistance R 24 connect capacitor C 14, between this electrode of high water stage probe 17 and the pin 20 of main control chip 5, be connected with resistance R 27 and diode D20, the link ground connection of resistance R 27 and diode D20, the two ends of resistance R 27 connect capacitor C 17, the two ends of capacitor C 17 connect diode D14,
Middle water level testing circuit 15 comprises the middle water level probe 18 that is arranged at water tank middle part, one electrode of middle water level probe 18 is through capacitor C 5, after resistance R 4, be connected with+24V power supply, this electrode of middle water level probe 18 is also connected with the pin 25 of main control chip 5 after triode Q7 and resistance R 11, the grounded emitter of Q7, another electrode of middle water level probe 18 is through capacitor C 6, diode D16, after resistance R 21, be connected with the pin 19 of main control chip 5, this electrode of middle water level probe 18 is also through capacitor C 6, diode D16, the rear ground connection of resistance R 22, the two ends of resistance R 22 connect capacitor C 13, between this electrode of middle water level probe 18 and the pin 19 of main control chip 5, be connected with resistance R 26 and diode D19, the link ground connection of resistance R 26 and diode D19, the two ends of resistance R 26 connect capacitor C 16, the two ends of capacitor C 16 connect diode D13,
Low-water level testing circuit 16 comprises the low-water level probe 19 that is arranged at water tank bottom, one electrode of low-water level probe 19 is through capacitor C 7, after resistance R 5, be connected with+24V power supply, this electrode of low-water level probe 19 is also connected with the pin 25 of main control chip 5 after triode Q8 and resistance R 12, the grounded emitter of Q8, another electrode of low-water level probe 19 is through capacitor C 8, after diode D15 and resistance R 19, be connected with the pin 18 of main control chip 5, this electrode of low-water level probe 19 also passes through capacitor C 8, diode D15, the rear ground connection of resistance R 20, the two ends of resistance R 20 connect capacitor C 12, between this electrode of low-water level probe 19 and the pin 18 of main control chip 5, be connected with resistance R 25 and diode D18, the link ground connection of resistance R 25 and diode D18, the two ends of resistance R 25 connect capacitor C 15, the two ends of capacitor C 15 connect diode D12.
High water stage testing circuit 14: in the time that cock of water drain is opened, as can't detect high water stage in the process that discharges water, 3 sections of high water stage are lighted from top to bottom successively, and water pump 11 work start water inlet, as discharge water while end, while can't detect high water stage, 3 sections of high water stage are lighted from bottom to top successively, and when water inlet detects high water stage, 3 sections of high water stage are normal bright, main control chip 5 detects liquid level by pin 20,25 and whether meets high water stage requirement, by display screen single-chip microcomputer, high water stage state is presented on screen as met;
Middle water level testing circuit 15: in the time that cock of water drain is opened, as while can't detect middle water level in the process that discharges water, high water stage knocks out, three sections of middle water levels are lighted from top to bottom successively, low-water level is still lighted, as discharge water while end, while can't detect middle water level, 3 sections of middle water levels are lighted from bottom to top successively, when water inlet detects middle water level, 3 sections of middle water levels are normal bright, and main control chip 5 detects middle water level state by pin 19,25, middle water level state can be presented on screen as liquid level reaches middle water level display screen single-chip microcomputer;
Low-water level testing circuit 16: in the time that cock of water drain is opened, as while can't detect low-water level in the process that discharges water, high water stage knocks out, middle water level knocks out, 3 sections of low-water level are lighted from top to bottom successively, as discharge water while end, while can't detect low-water level, 3 sections of low-water level are lighted from bottom to top successively, when water inlet detects low-water level, 3 sections of low-water level are normal bright, main control chip is by pin 18, 25 detect low-water level state, in the time that liquid level is flooded low-water level, main control chip can detect low-water level signal, now it is presented at driving display screen single-chip microcomputer on screen by low-water level state.
As shown in figure 11, the utility model water purification installation fault self-checking technology, its most of technical characterictic is identical with Fig. 1, and difference is: also comprise driving circuit 20, driving circuit 20 provides power supply by feed circuit 1.As shown in figure 12, driving circuit 20 is heater switch circuit 21, heater switch circuit 21 comprises the relay K EY1 being connected with domestic power supply, two output terminals of relay K EY1 are connected with diode D6, one of them output terminal connection+24V voltage of relay K EY1, another output terminal of relay K EY1 is connected with the pin 35 of main control chip 5 after triode Q1, resistance R 38, this output terminal of relay K EY1 is also connected with+5V power supply after triode Q1, resistance R 38, resistance R 55, the grounded emitter of triode Q1.And failure detector circuit 3 is crystal oscillator time control circuit 22, as shown in figure 13, crystal oscillator time control circuit 22 comprises chip IC 5, the pin 1 of chip IC 5, 8 connection+3.6V power supplys, the pin 2 of chip IC 5 ground connection after capacitor C 27, the pin 3 of chip IC 5 is through crystal oscillator XT, the rear ground connection of capacitor C 27, pin 4 ground connection of chip IC 5, the pin 3 of chip IC 5, between 4, connect capacitor C 28, the pin 7 of chip IC 5 is connected with the pin 42 of main control chip 5 through resistance R 45, the pin 7 of chip IC 5 is also connected with+5V power supply through resistance R 51, the pin 6 of chip IC 5 is connected with the pin 43 of main control chip 5 through resistance R 46, the pin 6 of chip IC 5 is also connected with+5V power supply through resistance R 50, the pin 5 of chip IC 5 is connected with the pin 44 of main control chip 5 through resistance R 47, the pin 5 of chip IC 5 is also connected with+5V power supply through resistance R 49.
The pin 42,43,44 of main control chip 5 detect the time at 11 in evening between 6 of the next mornings, make heater circuit always in off-state by pin 35, so, main control chip 5 detects the signal of forcing heating by button driving circuit, by the closed heater circuit of pin 35.
As shown in figure 14, also comprise functions of child lock button driving circuit 23, functions of child lock button driving circuit 23 comprises hot water key 24, and hot water key 24 is connected with the pin 3 of chip IC 2 through resistance R 17, and the pin 14 of chip IC 2 is connected with the pin 16 of main control chip 5.The pin 16 of main control chip 5 is for detection of the input signal of hot water key 24, under original state, the incoming level signal of hot water key 24 is low levels, in the time that user presses hot water key 24 with finger is long, button driving circuit 23 can change incoming level signal, and now incoming level signal becomes high level, and now main control chip 5 can lock hot water valve by pin 32, hot water valve can not be opened, avoid hot water valve surprisingly to open and scald.
The above embodiment is only the preferred embodiment for absolutely proving that the utility model is lifted, and protection domain of the present utility model is not limited to this.What those skilled in the art did on the utility model basis is equal to alternative or conversion, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (10)
1. a water purification installation fault self-checking technology, is characterized in that: comprising:
Failure detector circuit: to single chip machine controlling circuit, in the time breaking down, give high level signal of single chip machine controlling circuit by the working condition electricity consumption signal feedback in its circuit; In the time of normal work, give low level signal of single chip machine controlling circuit;
Single chip machine controlling circuit: receive the electric signal of failure detector circuit output, do not give display circuit signal in the time receiving low level signal; In the time receiving high level signal to signal of display circuit;
Display circuit: receive the electric signal of single chip machine controlling circuit output, display circuit is not worked in the time receiving low level signal; Display circuit work in the time receiving high level signal, shows malfunction indicator lamp;
Feed circuit: power supply is provided to testing circuit, single chip machine controlling circuit and display circuit.
2. water purification installation fault self-checking technology according to claim 1, it is characterized in that: described failure detector circuit is low tension switch testing circuit, described low tension switch testing circuit comprises PP low tension switch, one electrode of described PP low tension switch is connected with the pin 10 of the main control chip of single chip machine controlling circuit through resistance R 33, another electrode grounding of described PP low tension switch, connects capacitor C 34 between two electrodes of described PP low tension switch.
3. water purification installation fault self-checking technology according to claim 1, it is characterized in that: described failure detector circuit is heating tank testing circuit, described heating tank testing circuit comprises temperature probe, one electrode of described temperature probe is connected with the pin 14 of the main control chip of single chip machine controlling circuit, this electrode of described temperature probe is through resistance R 14 ground connection, the two ends of described resistance R 14 connect capacitor C 10, and another electrode of described temperature probe is connected with+5V power supply.
4. water purification installation fault self-checking technology according to claim 1, it is characterized in that: described failure detector circuit is pump working state detection circuit, described pump working state detection circuit comprises water pump, one electrode of described water pump is connected with the pin 21 of the main control chip of single chip machine controlling circuit through resistance R 37, serial resistance R1 and diode D2 between two electrodes of described water pump, the two ends of described resistance R 1 connect capacitor C 22, the two ends of described capacitor C 22 connect diode D26, the link ground connection of resistance R 1 and diode D2, another electrode of described water pump is connected with the input end of relay K EY3, output terminal two electrodes of relay K EY3 are connected with diode D8, output terminal one electrode of relay K EY3 is connected with+24V power supply, another electrode of the output terminal of relay K EY3 is connected with the pin 33 of the main control chip of single chip machine controlling circuit after triode Q3 and resistance R 40, the grounded emitter of triode Q3.
5. water purification installation fault self-checking technology according to claim 1, it is characterized in that: described failure detector circuit is electromagnetic valve work state detection circuit, described electromagnetic valve work state detection circuit comprises solenoid valve, described solenoid valve one electrode is connected with the pin 22 of the main control chip of single chip machine controlling circuit through resistance R 36, contact resistance R2 and diode D1 between two electrodes of described solenoid valve, the two ends of resistance R 2 connect capacitor C 21, the two ends of capacitor C 21 connect diode D25, the link ground connection of resistance R 2 and diode D1, another electrode of described solenoid valve is connected with the input end of relay K EY2, output terminal two electrodes of relay K EY2 are connected with diode D7, output terminal one electrode of relay K EY2 is connected with+24V power supply, another electrode of relay K EY2 output terminal is connected with the pin 34 of the main control chip of single chip machine controlling circuit after triode Q2 and resistance R 39, this electrode of relay K EY2 output terminal is through triode Q2, after resistance R 39 and resistance R 54, be connected with+5V power supply.
6. water purification installation fault self-checking technology according to claim 1, it is characterized in that: described failure detector circuit is for high, in, low-water level testing circuit, described high water stage testing circuit comprises the high water stage probe that is arranged at water tank upper, one electrode of high water stage probe is through capacitor C 3, after resistance R 6, be connected with+24V power supply, this electrode of high water stage probe is also connected with the pin 25 of the main control chip of single chip machine controlling circuit after triode Q6 and resistance R 10, the grounded emitter of triode Q6, another electrode of high water stage probe is through capacitor C 4, after diode D17 and resistance R 23, be connected with the pin 20 of main control chip, this electrode of high water stage probe is also through capacitor C 4, diode D17, the rear ground connection of resistance R 24, the two ends of resistance R 24 connect capacitor C 14, between this electrode of high water stage probe and the pin 20 of main control chip, be connected with resistance R 27 and diode D20, the link ground connection of resistance R 27 and diode D20, the two ends of resistance R 27 connect capacitor C 17, the two ends of capacitor C 17 connect diode D14, described middle water level testing circuit comprises the middle water level probe that is arranged at water tank middle part, one electrode of middle water level probe is through capacitor C 5, after resistance R 4, be connected with+24V power supply, this electrode of middle water level probe is also connected with the pin 25 of main control chip after triode Q7 and resistance R 11, the grounded emitter of triode Q7, another electrode of middle water level probe is through capacitor C 6, diode D16, after resistance R 21, be connected with the pin 19 of main control chip, this electrode of middle water level probe is also through capacitor C 6, diode D16, the rear ground connection of resistance R 22, the two ends of resistance R 22 connect capacitor C 13, between this electrode of middle water level probe and the pin 19 of main control chip, be connected with resistance R 26 and diode D19, the link ground connection of resistance R 26 and diode D19, the two ends of resistance R 26 connect capacitor C 16, the two ends of capacitor C 16 connect diode D13, described low-water level testing circuit comprises the low-water level probe that is arranged at water tank bottom, one electrode of low-water level probe is through capacitor C 7, after resistance R 5, be connected with+24V power supply, this electrode of low-water level probe is also connected with the pin 25 of main control chip after triode Q8 and resistance R 12, the grounded emitter of triode Q8, another electrode of low-water level probe is through capacitor C 8, after diode D15 and resistance R 19, be connected with the pin 18 of main control chip, this electrode of low-water level probe also passes through capacitor C 8, diode D15, the rear ground connection of resistance R 20, the two ends of resistance R 20 connect capacitor C 12, between this electrode of low-water level probe and the pin 18 of main control chip, be connected with resistance R 25 and diode D18, the link ground connection of resistance R 25 and diode D18, the two ends of resistance R 25 connect capacitor C 15, the two ends of capacitor C 15 connect diode D12.
7. water purification installation fault self-checking technology according to claim 1, is characterized in that: also comprise driving circuit: receive the electric signal of single chip machine controlling circuit output, drive circuit works in the time receiving low level signal; In the time receiving high level signal, driving circuit is not worked; Described single chip machine controlling circuit in the time receiving the low level signal of failure detector circuit to Persistent Excitation of driving circuit, in the time receiving high level signal to not output signal of driving circuit; Described driving circuit provides power supply by described feed circuit.
8. water purification installation fault self-checking technology according to claim 7, it is characterized in that: described failure detector circuit is crystal oscillator time control circuit, described crystal oscillator time control circuit comprises chip IC 5, the pin 1 of chip IC 5, 8 connection+3.6V power supplys, the pin 2 of chip IC 5 ground connection after capacitor C 27, the pin 3 of chip IC 5 is through crystal oscillator XT, the rear ground connection of capacitor C 27, pin 4 ground connection of chip IC 5, the pin 3 of chip IC 5, between 4, connect capacitor C 28, the pin 7 of chip IC 5 is connected with the pin 42 of the main control chip of single chip machine controlling circuit through resistance R 45, the pin 7 of chip IC 5 is also connected with+5V power supply through resistance R 51, the pin 6 of chip IC 5 is connected with the pin 43 of main control chip through resistance R 46, the pin 6 of chip IC 5 is also connected with+5V power supply through resistance R 50, the pin 5 of chip IC 5 is connected with the pin 44 of main control chip through resistance R 47, the pin 5 of chip IC 5 is also connected with+5V power supply through resistance R 49.
9. water purification installation fault self-checking technology according to claim 8, it is characterized in that: described driving circuit is heater switch circuit, described heater switch circuit comprises the relay K EY1 being connected with domestic power supply, two output terminals of relay K EY1 are connected with diode D6, one of them output terminal connection+24V voltage of relay K EY1, another output terminal of relay K EY1 is through triode Q1, after resistance R 38, be connected with the pin 35 of the main control chip of single chip machine controlling circuit, this output terminal of relay K EY1 is also through triode Q1, resistance R 38, after resistance R 55, be connected with+5V power supply, the grounded emitter of triode Q1.
10. water purification installation fault self-checking technology according to claim 9, it is characterized in that: also comprise functions of child lock button driving circuit, described functions of child lock button driving circuit comprises hot water key, described hot water key is connected with the pin 3 of chip IC 2 through resistance R 17, and the pin 14 of chip IC 2 is connected with the pin 16 of main control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320886381.9U CN203643788U (en) | 2013-12-31 | 2013-12-31 | Water purifying device fault self-inspection technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320886381.9U CN203643788U (en) | 2013-12-31 | 2013-12-31 | Water purifying device fault self-inspection technology |
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| CN203643788U true CN203643788U (en) | 2014-06-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103760793A (en) * | 2013-12-31 | 2014-04-30 | 武汉斯隆电气有限公司 | Fault self-inspection technology of water purification device |
| CN104454485A (en) * | 2014-11-24 | 2015-03-25 | 温岭市富莱欧机电有限公司 | Water pump controller |
-
2013
- 2013-12-31 CN CN201320886381.9U patent/CN203643788U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103760793A (en) * | 2013-12-31 | 2014-04-30 | 武汉斯隆电气有限公司 | Fault self-inspection technology of water purification device |
| CN103760793B (en) * | 2013-12-31 | 2016-09-28 | 武汉斯隆电气有限公司 | Water purification installation fault self-checking system |
| CN104454485A (en) * | 2014-11-24 | 2015-03-25 | 温岭市富莱欧机电有限公司 | Water pump controller |
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