CN2894550Y - Leakage automatic protection device for divect drinking water machine - Google Patents
Leakage automatic protection device for divect drinking water machine Download PDFInfo
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- CN2894550Y CN2894550Y CN 200620045978 CN200620045978U CN2894550Y CN 2894550 Y CN2894550 Y CN 2894550Y CN 200620045978 CN200620045978 CN 200620045978 CN 200620045978 U CN200620045978 U CN 200620045978U CN 2894550 Y CN2894550 Y CN 2894550Y
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Abstract
The utility model discloses an automatic protecting device from the water leakage for a water fountain, which consists of a solenoid valve operating circuit containing a water inlet solenoid valve. The device is characterized in that the protecting device also comprises a zero setting unit, a timing unit and a relay preventing from the water leakage. The output end of the zero setting unit is connected with the input end of the timing unit, while the output end of the timer unit is connected with the solenoid K3 of the relay preventing from the water leakage. A contact switch K3' is connected in the solenoid valve operating circuit, in series with the water inlet solenoid valve. The device is applied in the water fountain, having an excellent function of preventing from the water leakage, thereby effectively preventing the large-area wager leakage.
Description
Technical field
The utility model relates to direct drinking fountain, relates in particular to the water leakage automatically protecting device of direct drinking fountain.
Background technology
Direct drinking fountain is a kind of running water that directly connects, and by the filtration of various filter cores in the machine, removes various impurity and bacterium in the water, reaches a kind of water dispenser of direct standard for drinking.
Direct drinking fountain has vertical, desk-top, hanging or the like, these direct drinking fountains always have some accidents in user's use, as pipe joint occurs and leak faults such as hose fracture, when these faults produce, as there being the people to find in the family, can in time rescuing (take to close power supply, close measures such as water source) and can not cause big loss; As unmanned in the family, the time suffers heavy losses once the casual Kingsoft of long water.
The utility model content
Goal of the invention of the present utility model aims to provide a kind of water leakage automatically protecting device of direct drinking fountain, and this device has the water leakage automatically protecting function, can avoid direct drinking fountain inside to occur leaking and causes in the family water to overflow Kingsoft, to overcome the deficiencies in the prior art.
In order to realize the foregoing invention purpose, the water leakage automatically protecting device of direct drinking fountain described in the utility model, this device comprise the magnetic valve operating circuit that contains entering water electromagnetic valve, it is characterized in that: also comprise zero setting device, timing means and the protective relay that leaks; Wherein, the output of zero setting device is connected with the input of timing means, and the output of timing means is connected with the coil K3 of the protective relay that leaks; Leak and be connected in series with entering water electromagnetic valve in the contact switch K3 ' access magnetic valve operating circuit of protective relay.
Described timing means or be single-chip microcomputer or for timer.Described zero setting device or by putting hot water button AN1 and put that cold water button AN2 forms or be Infrared Detectors.
Adopt technique scheme, the user is putting hot water or during cold water, press and put hot water button AN1 or put cold water button AN2 or press manual cock of water drain and sensed by Infrared Detectors, single-chip microcomputer or timer zero setting, in the time interval of setting, if direct drinking fountain operate as normal, entering water electromagnetic valve just can be opened, surpass the time interval of setting, if direct drinking fountain water inlet work belongs to non-normal working, drainage is arranged, entering water electromagnetic valve just can not be opened, thereby plays the effect that prevents the direct drinking fountain large-scale water leakage.
Therefore; the water leakage automatically protecting device of direct drinking fountain of the present utility model has the large-scale water leakage automatic protection functions; entering water electromagnetic valve can only be worked in the time interval of setting; surpass the time interval of setting; entering water electromagnetic valve is closed automatically, has avoided the leakage current of direct drinking fountain inside at a large amount of drinking water that take place to cause under the situations such as water pipe head leakage, hose fracture.
Description of drawings
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated:
Fig. 1 is a circuit block diagram of the present utility model.
Fig. 2 is the circuit diagram of embodiment 1;
Fig. 3 is the circuit diagram of embodiment 2;
Fig. 4 is the circuit diagram of embodiment 3;
Fig. 5 is the circuit diagram of embodiment 4;
Fig. 6 is a circuit diagram of going up water level switch KS1, following water level switch KS2 control entering water electromagnetic valve among embodiment 3 and the embodiment 4.
The specific embodiment
As shown in Figure 1, the magnetic valve operating circuit 4 that the water leakage automatically protecting device of direct drinking fountain described in the utility model, this device comprise zero setting device 1, timing means 2, leak protective relay 303 and contain entering water electromagnetic valve 43.
Wherein, the output of zero setting device 1 is connected with the input of timing means 2, and the output of timing means 2 is connected with the coil K3 of the protective relay 303 that leaks; Leak and be connected in series with entering water electromagnetic valve 43 in the contact switch K3 ' access magnetic valve operating circuit 4 of protective relay 303.Adopt the water leakage automatically protecting device of the direct drinking fountain of above-mentioned circuit structure, have the effect that prevents the direct drinking fountain large-scale water leakage, elaborate below by specific embodiment:
Embodiment 1
As shown in Figure 2, the zero setting device 1 in the present embodiment is by putting hot water button AN1 and put cold water button AN2 and form; Timing means 2 is a single-chip microcomputer 10, and the model of this single-chip microcomputer 10 adopts ATmega8L, and it is interior with the program with timing function.
Wherein, the input pin 2 of single-chip microcomputer 10 by the button AN1 that puts hot water after ground connection; Input pin 3 is by putting ground connection behind the cold water button AN2; Input pin 9 is associated with last magnetic ball float 31 by last water level switch KS1; Input pin 10 is associated with magnetic ball float 32 by following water level switch KS2; Common ground again after last water level switch KS1 and following water level switch KS2 interconnect.
The output pin 28,27,26 of single-chip microcomputer 10 is respectively by being connected with the 12V power supply jointly behind the coil K3 of the coil K1 of the relay that puts hot water, the coil K2 of putting the cold water relay, the protective relay 303 that leaks.Back-emf is too high to cause damage to each relay in order to prevent, the coil K1 of the relay that puts hot water and meet a diode D1, put the coil K2 of cold water relay and meet a diode D2, the coil K3 of the protective relay 303 that leaks and meet a diode D3.
Magnetic valve operating circuit 4 by contact switch K3 ', the magnetic valve 41 that puts hot water of the contact switch K1 ' of hot water relay, the contact switch K2 ' of putting the cold water relay, the protective relay 303 that leaks, put cold water magnetic valve 42 and entering water electromagnetic valve 43 is formed.Wherein, the contact switch K1 ' of relay of putting hot water is connected in series mutually with an end of the magnetic valve 41 that puts hot water, the contact switch K2 ' of putting the cold water relay is connected in series mutually with an end of putting cold water magnetic valve 42, and the contact switch K3 ' of the protective relay 303 that leaks is connected in series mutually with an end of entering water electromagnetic valve 43; The other end, the other end and the other end of the protective relay coil K3 ' that the leaks back connected with each other of putting the contact switch K2 ' of cold water relay of contact switch K1 ' of relay of putting hot water is connected with the 12V power supply; The other end of the other end of magnetic valve 41, the other end of putting cold water magnetic valve 42 and entering water electromagnetic valve 43 of putting hot water back connected with each other common ground.
The entering water electromagnetic valve 43 of this direct drinking fountain is by single-chip microcomputer 1, upper and lower two magnetic ball floats 31,32, on, following water level switch KS1, KS2, the protective relay 303 automatic control work of leaking.
When the water level in the water tank is low; last magnetic ball float 31 and magnetic ball float 32 all fall; last water level switch KS1 disconnects; following water level switch KS2 closure; single-chip microcomputer 10 obtains the signal of telecommunication from input pin 10, by routine processes, makes the coil K3 energising of the protective relay 301 that leaks; the leak contact switch K3 ' closure of protective relay 303, and then entering water electromagnetic valve 43 energisings are opened automatically and are discharged water.When the water in the water tank is full; last magnetic ball float 31 and magnetic ball float 32 all rise; last water level switch KS1 closure; following water level switch KS2 disconnects, and single-chip microcomputer 1 obtains the signal of telecommunication from input pin 9, passes through routine processes; make the coil K3 outage of the protective relay that leaks; the leak contact switch K3 ' disconnection of protective relay, and then entering water electromagnetic valve 43 closes, and stops water to enter water tank again.
When pressing when putting hot water button AN1 or putting cold water button AN2; single-chip microcomputer 10 obtains the zero setting signal from input pin 2 or input pin 3; the coil K2 energising that makes the coil K1 of the relay that puts hot water on the one hand or put the cold water relay; and then open the magnetic valve 31 that puts hot water and put hot water or open and put cold water magnetic valve 32 and put cold water; on the other hand; at this moment single-chip microcomputer 10 picks up counting; in timing; leaking the coil K3 of protective relay can be according to the closed of last water level switch KS1 or closure energising and the outage of water level switch KS2 down; and then the switching of control entering water electromagnetic valve 43, realize the water inlet work of direct drinking fountain.Surpass the time of setting; single-chip microcomputer 10 can make the coil K3 outage of the protective relay 303 that leaks all the time; and then entering water electromagnetic valve 43 all the time dead electricity close; if occurring that joint leaks, water pipe breaks etc., direct drinking fountain inside causes the situation of leaking; because entering water electromagnetic valve 43 is in closed condition all the time behind setting-up time; just or else having current advances direct drinking fountain, thereby has played the automatic protective effect that prevents large-scale water leakage.When press once more put hot water button AN1 or put cold water button AN2 or, this device begins normal timework again.
As shown in Figure 3, the present embodiment place different with embodiment 1 circuit structure is: the one, and zero setting device 1 is an Infrared Detectors 5; The 2nd, protective relay 303 and entering water electromagnetic valve 43 only leak.Wherein, Infrared Detectors 5 is connected on the input pin 2 of single-chip microcomputer 10; The end of coil K3 of protective relay 303 of leaking is connected with the output pin 26 of single-chip microcomputer 10, and the other end connects the 12V power supply, and equally for the purpose of protective relay, the coil K3 of the protective relay 303 that leaks also meets diode D3.In the magnetic valve operating circuit 4, a contact switch K3 ' end of the protective relay 303 that leaks connects the 12V power supply, and the other end connects an end of entering water electromagnetic valve 43, the other end ground connection of entering water electromagnetic valve 43.Other parts are identical with embodiment 1, do not describing in detail here.
The water leakage automatically protecting device of the described direct drinking fountain of present embodiment mainly is a direct drinking fountain of putting hot and cold water at those with hand-operated valve.The zero setting signal of this device is obtained by Infrared Detectors 5 inductions, and the working method of other parts is identical with embodiment 1, also is not repeated here.
As shown in Figure 4, in the present embodiment, zero setting device 1 by the button AN1 that puts hot water, put cold water button AN2, diode D5, diode D6 form; Timing means is a timer 20.Wherein, timer 20 is by timing chip, resistance R 1, R2, R3, R4, R5, and diode D4, triode Q1, Q2 and electrotimer are formed.The model that timer chip adopts is CD4060 or other models.
The button AN1 one termination 12V power supply that puts hot water, the other end connect the end of coil K1 of the relay that puts hot water and the positive pole of diode D5 simultaneously; Put cold water button AN2 one termination 12V power supply, the other end connects the end of the coil K2 of putting the cold water relay and the positive pole of diode D6 simultaneously; The negative pole of the negative pole of diode D5 and diode D6 back connected with each other is as the output of timing means 1.The other end of coil K1 of relay and the other end of the coil K2 back connected with each other ground connection of putting the cold water relay put hot water.
The input pin 11,9,10 of timing chip is connected with an end of resistance R 1, capacitor C 1 and resistance R 2 respectively, and the other end of resistance R 1, capacitor C 1 and resistance R 2 is connected with each other.Resistance R 2 here and capacitor C 1 have determined the frequency F of CD4060 timing chip.The timing T of CD4060 timing chip is determined by following formula: T=(1/F) * 2
14
The pin 12 of timing chip a road after resistance R 3 ground connection, another road is divided into two branch roads again, the one branch road is connected with the negative pole of diode D5, D6 simultaneously, another branch road is connected via the base stage of resistance R 5 with triode Q2.
The output pin 3 of timing chip connects the base stage of triode Q1 and the negative pole of diode D4 simultaneously via resistance R 4, the emitter stage of triode Q1 connects the 12V power supply and the end of the coil K3 of the protective relay 303 that leaks simultaneously, and its colelctor electrode connects the end of the coil K4 of electrotimer; The other end of the other end of the coil K4 of the positive pole of diode D4, electrotimer and the coil K3 of the protective relay 303 that leaks and connect after be connected the end of the contact switch K4 ' of the colelctor electrode of triode Q2 and electrotimer simultaneously; a road of triode Q2 emitter stage is connected another road ground connection with the other end of contact switch K4 '.
Magnetic valve operating circuit 4 is by the contact switch K1 ' of hot water relay, put the contact switch K2 ' of cold water relay, the contact switch K3 ' of protective relay 303 leaks, the contact switch K5 ' of water inlet relay, magnetic valve 1 puts hot water, put cold water magnetic valve 42 and entering water electromagnetic valve 43 compositions, the contact switch K1 ' of relay of wherein putting hot water is connected in series mutually with an end of the magnetic valve 41 that puts hot water, the contact switch K2 ' of putting the cold water relay is connected in series mutually with an end of putting cold water magnetic valve 42, and the contact switch K3 ' of the protective relay 303 that leaks is connected in series with an end of entering water electromagnetic valve 43 mutually through the contact switch K5 ' of water inlet relay; The other end, the other end and the other end of the contact switch K3 ' of the protective relay 303 that the leaks back connected with each other of putting the contact switch K2 ' of cold water relay of contact switch K1 ' of relay of putting hot water is connected with the 12V power supply; The other end of the other end of magnetic valve 41, the other end of putting cold water magnetic valve 42 and entering water electromagnetic valve 43 of putting hot water back connected with each other common ground.
Fig. 6 for another example, Fig. 6 be go up water level switch KS1, water level switch KS2 is by the circuit diagram of rest-set flip-flop control entering water electromagnetic valve 43 down.Rest-set flip-flop is by phase inverter D1A, phase inverter D1B, and phase inverter D1C, phase inverter D1D form, and the model of phase inverter is CD4011.Wherein go up being associated with upper and lower magnetic ball float 31,32 respectively of water level switch KS1 and following water level switch KS2, and an end common ground, the other end of last water level switch KS1 connects pin 1, the pin 2 of phase inverter D1A simultaneously; The pin 3 of phase inverter D1A connects the pin 9 of phase inverter D1C, and the pin 8 of phase inverter connects the pin 12 of phase inverter.The other end of following water level switch KS1 connects pin 4, the pin 5 of phase inverter D1B simultaneously.The pin 6 of phase inverter D1B connects the pin 13 of phase inverter D1D.The pin 10 of the D1C of phase inverter and the pin of phase inverter D1D 11 common ends that are connected the coil K5 of the relay of intaking, the coil K5 other end of water inlet relay connects the 12V power supply.
Same principle; the closed and disconnected that floats and fall last water level switch KS1 of control and following water level switch KS2 by last magnetic ball float 31 and magnetic ball float 32; and then energising and the outage of the coil K5 of water inlet relay have been controlled; just can control the switching of entering water electromagnetic valve 43 as long as leak under the condition of the switch contact of protective relay 303 K3 ' closure automatically, realize the automatic control of direct drinking fountain water inlet.
Put hot water electronic key AN1 or put hot and cold water electronic key AN2 when pressing, connect on the one hand the coil K1 of the relay that puts hot water or put the coil K2 of cold water relay, the contact switch K1 ' closure of the relay that puts hot water is put magnetic valve 41 energisings that put hot water to open the contact switch K2 ' closure that puts hot water or put the cold water relay to make to put 42 energisings of cold water magnetic valve to be opened and is put cold water.
12V is energized to the input pin 12 of timing chip (this pin is the RESET pin on the other hand; obtain the signal of telecommunication and make timing chip zero setting) input; make timing chip begin zero setting; at this moment output pin 3 output low levels of timing chip; triode Q2, triode Q1 conducting, the coil K3 of the protective relay that leaks and the coil K4 of electrotimer energising; the leak contact switch K3 ' closure of protective relay, the work of entering water electromagnetic valve 43 when having guaranteed the contact switch K5 ' closure of water inlet relay.
When surpassing the time interval regularly; the output pin 3 of timing chip becomes high level by low level; triode Q1 disconnects; the coil K4 no power of electrotimer; contact switch K4 ' the disconnection of electrotimer; the leak coil K3 dead electricity of protective relay 303; the leak contact switch K3 ' disconnection of protective relay 303; if the inner fault such as pipe break cause leaking (the contact switch K5 ' of water inlet relay also closed) that takes place of direct drinking fountain at this moment; the contact K3 ' of protective relay 303 disconnects because of leaking; so entering water electromagnetic valve is just closed, so just played the protective effect that prevents large-scale water leakage.
As shown in Figure 5, present embodiment and embodiment 3 different places are: the one, and zero setting device 1 is made up of Infrared Detectors 5 and phase inverter D1E; The 2nd, the protective relay 303 that only leaks, water inlet relay and entering water electromagnetic valve 43.The model of phase inverter D1E also adopts CD4011, Infrared Detectors 5 directly is connected with input pin 12, resistance R 3 and the resistance R 5 of timing chip through trigger D1E (be the pin 1,2 that Infrared Detectors 5 connects phase inverter D1E, the pin 3 of phase inverter D1E is as the output of zero setting device 1).In the magnetic valve operating circuit, a switch contact K3 ' termination 12V power supply of the protective relay that leaks, an end are connected the other end ground connection of entering water electromagnetic valve 43 through the contact switch K5 ' of water inlet relay with an end of entering water electromagnetic valve 43.The circuit part that other parts and last water level switch KS1, following water level switch KS2 control entering water electromagnetic valve 43 by rest-set flip-flop is all identical with embodiment 3, no longer describes in detail here.
The water leakage automatically protecting device of the described direct drinking fountain of present embodiment also is a direct drinking fountain of putting hot and cold water at those with hand-operated valve mainly.The zero setting signal of this water leakage automatically protecting device is obtained by Infrared Detectors 5 inductions, and other working method is identical with embodiment 3, also is not repeated here.
From the foregoing description; the water leakage automatically protecting device of direct drinking fountain of the present utility model has good water leakage automatically protecting function, can avoid the leakage current of direct drinking fountain inside at a large amount of drinking water that take place to cause under the situations such as water pipe head leakage, hose fracture.
But the above-mentioned specific embodiment is exemplary, is to understand and implement the utility model in order better to enable those skilled in the art to, and can not be interpreted as it is restriction to the utility model protection domain.So long as any being equal to of doing based on the spirit that the utility model disclosed changes or modification, all fall into protection domain of the present utility model.
Claims (10)
1, a kind of water leakage automatically protecting device of direct drinking fountain, this device comprise the magnetic valve operating circuit that contains entering water electromagnetic valve, it is characterized in that: also comprise zero setting device (1), timing means (2) and the protective relay that leaks (303);
Wherein, the output of zero setting device (1) is connected with the input of timing means (2), and the output of timing means (2) is connected with the coil K3 of the protective relay that leaks (303); Leak and be connected in series with entering water electromagnetic valve (43) in the contact switch K3 ' access magnetic valve operating circuit (4) of protective relay (303).
2, the water leakage automatically protecting device of direct drinking fountain according to claim 1 is characterized in that: described timing means (2) or for single-chip microcomputer (10) or for timer (20).
3, the water leakage automatically protecting device of direct drinking fountain according to claim 2 is characterized in that: described zero setting device (1) is by putting hot water button AN1 and put cold water button AN2 and form, the input pin 2 of single-chip microcomputer (10) by the button AN1 that puts hot water after ground connection; Input pin 3 is by putting ground connection behind the cold water button AN2; Input pin 9 is associated with last magnetic ball float (31) by last water level switch KS1; Input pin 10 is associated with magnetic ball float (32) by following water level switch KS2; Common ground again after last water level switch KS1 and following water level switch KS2 interconnect;
The output pin 28,27,26 of single-chip microcomputer (10) is respectively by being connected with power supply jointly behind the coil K3 of the coil K1 of the relay that puts hot water, the coil K2 of putting the cold water relay, the protective relay that leaks (303);
Described magnetic valve operating circuit (4) is by the contact switch K1 ' of hot water relay, put the contact switch K2 ' of cold water relay, the contact switch K3 ' of protective relay (303) leaks, magnetic valve (41) puts hot water, putting cold water magnetic valve (42) and entering water electromagnetic valve (43) forms, the contact switch K1 ' of relay of wherein putting hot water is connected in series mutually with an end of the magnetic valve that puts hot water (41), the contact switch K2 ' of putting the cold water relay is connected in series mutually with an end of putting cold water magnetic valve (42), and the contact switch K3 ' of the protective relay that leaks (303) is connected in series mutually with an end of entering water electromagnetic valve (43); The other end, the other end and the other end of the protective relay coil K3 ' that the leaks back connected with each other of putting the contact switch K2 ' of cold water relay of contact switch K1 ' of relay of putting hot water is connected with power supply; The other end of the other end of magnetic valve (41), the other end of putting cold water magnetic valve (42) and entering water electromagnetic valve (43) of putting hot water back connected with each other common ground.
4, the water leakage automatically protecting device of direct drinking fountain according to claim 3 is characterized in that: the coil K3 of the coil K1 of the described relay that puts hot water, the coil K2 of putting the cold water relay, the protective relay that leaks (303) separately respectively and meet diode D1, diode D2, diode D3.
5, the water leakage automatically protecting device of direct drinking fountain according to claim 2 is characterized in that: described zero setting device (1) is an Infrared Detectors (5), and the input pin 2 of single-chip microcomputer (10) connects this Infrared Detectors (5); Input pin 9 is associated with last magnetic ball float (31) by last water level switch KS1; Input pin 10 is associated with magnetic ball float (32) by following water level switch KS2; Common ground again after last water level switch KS1 and following water level switch KS2 interconnect;
Be connected with power supply behind the coil K3 of the output pin 26 of single-chip microcomputer (10) by the protective relay that leaks (303);
Described magnetic valve operating circuit is made up of the contact switch K3 ' and the entering water electromagnetic valve (43) of the protective relay that leaks (303), contact switch K3 ' the end of protective relay (303) of wherein leaking connects power supply, and the other end is connected with an end of entering water electromagnetic valve (43); The other end ground connection of entering water electromagnetic valve (43).
6, the water leakage automatically protecting device of direct drinking fountain according to claim 2 is characterized in that: the model of described single-chip microcomputer (10) is ATmega8L.
7, the water leakage automatically protecting device of direct drinking fountain according to claim 2 is characterized in that: described timer is by timing chip, resistance R 1, R2, R3, R4, R5, and diode D4, triode Q1, Q2 and electrotimer are formed;
The input pin 11,9,10 of timing chip is connected with an end of resistance R 1, capacitor C 1 and resistance R 2 respectively, and the other end of resistance R 1, capacitor C 1 and resistance R 2 is connected with each other; Pin 12 a road after resistance R 3 ground connection, another road is divided into two branch roads again, the one branch road is connected with the output of zero setting device (1), another branch road is connected via the base stage of resistance R 5 with triode Q2;
Output pin 3 connects the base stage of triode Q1 and the negative pole of diode D4 simultaneously via resistance R 4, the emitter stage of triode Q1 connects power supply and the end of the coil K3 of the protective relay (303) that leaks simultaneously, and its colelctor electrode connects the end of the coil K4 of electrotimer; The end of the other end of the coil K4 of the positive pole of diode D4, electrotimer and the coil K3 of the protective relay that leaks (303) and connect after be connected the end of the contact switch K4 ' of the colelctor electrode of triode Q2 and electrotimer simultaneously; a road of triode Q2 emitter stage is connected another road ground connection with the other end of contact switch K4 '.
8, the water leakage automatically protecting device of direct drinking fountain according to claim 7 is characterized in that: described zero setting device (1) by the button AN1 that puts hot water, put cold water button AN2, diode D5, diode D6 forms; Button AN1 one termination power that puts hot water, the other end connect the end of coil K1 of the relay that puts hot water and the positive pole of diode D5 simultaneously; Put cold water button AN2 one termination power, the other end connects the end of the coil K2 of putting the cold water relay and the positive pole of diode D5 simultaneously; The other end of coil K1 of relay and the other end of the coil K2 back connected with each other ground connection of putting the cold water relay put hot water; The negative pole of the negative pole of diode D5 and diode D6 back connected with each other is as the output of timing means (1);
Described magnetic valve operating circuit (4) is by the contact switch K1 ' of hot water relay, put the contact switch K2 ' of cold water relay, the contact switch K3 ' of protective relay (303) leaks, the contact switch K5 ' of water inlet relay, magnetic valve (41) puts hot water, putting cold water magnetic valve (42) and entering water electromagnetic valve (43) forms, the contact switch K1 ' of relay of wherein putting hot water is connected in series mutually with an end of the magnetic valve that puts hot water (41), the contact switch K2 ' of putting the cold water relay is connected in series mutually with an end of putting cold water magnetic valve (42), and the contact switch K3 ' of the protective relay that leaks (303) is connected in series with an end of entering water electromagnetic valve (43) mutually through the contact switch K5 ' of water inlet relay; The other end, the other end and the other end of the protective relay coil K3 ' that the leaks back connected with each other of putting the contact switch K2 ' of cold water relay of contact switch K1 ' of relay of putting hot water is connected with power supply; The other end of the other end of magnetic valve (41), the other end of putting cold water magnetic valve (42) and entering water electromagnetic valve (43) of putting hot water back connected with each other common ground.
9, the water leakage automatically protecting device of direct drinking fountain according to claim 7, it is characterized in that: described zero setting device (1) is made up of Infrared Detectors (5) and phase inverter D1E, wherein Infrared Detectors (5) connects the pin 1,2 of phase inverter D1E, and the pin 3 of phase inverter D1E is as the output of zero setting device (1);
Described magnetic valve operating circuit is made up of the contact switch K3 ' of the protective relay that leaks (303), the contact switch K5 ' and the entering water electromagnetic valve (43) of water inlet relay, contact switch K3 ' the end of protective relay (303) of wherein leaking connects power supply, and the other end is connected with an end of entering water electromagnetic valve (43) through the contact switch K5 ' of water inlet relay; The other end ground connection of entering water electromagnetic valve (43).
10, the water leakage automatically protecting device of direct drinking fountain according to claim 7 is characterized in that: the model of described timing chip is CD4060.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620045978 CN2894550Y (en) | 2006-09-19 | 2006-09-19 | Leakage automatic protection device for divect drinking water machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620045978 CN2894550Y (en) | 2006-09-19 | 2006-09-19 | Leakage automatic protection device for divect drinking water machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2894550Y true CN2894550Y (en) | 2007-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620045978 Expired - Lifetime CN2894550Y (en) | 2006-09-19 | 2006-09-19 | Leakage automatic protection device for divect drinking water machine |
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| Country | Link |
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| CN (1) | CN2894550Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101828872A (en) * | 2010-05-07 | 2010-09-15 | 宁波市鎮海华泰电器厂 | Drinking water machine leakage-proof control device |
| CN104090498A (en) * | 2014-06-17 | 2014-10-08 | 广东艾沃科技有限公司 | Water inlet magnetic valve feedback circuit of water purifier and protection method thereof |
| CN104090499A (en) * | 2014-06-17 | 2014-10-08 | 广东艾沃科技有限公司 | Flushing magnetic valve feedback circuit of water purifier and protection method thereof |
| CN104970703A (en) * | 2015-07-29 | 2015-10-14 | 重庆市亚特蓝电器有限责任公司 | Control circuit of intelligent water dispenser |
-
2006
- 2006-09-19 CN CN 200620045978 patent/CN2894550Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101828872A (en) * | 2010-05-07 | 2010-09-15 | 宁波市鎮海华泰电器厂 | Drinking water machine leakage-proof control device |
| CN104090498A (en) * | 2014-06-17 | 2014-10-08 | 广东艾沃科技有限公司 | Water inlet magnetic valve feedback circuit of water purifier and protection method thereof |
| CN104090499A (en) * | 2014-06-17 | 2014-10-08 | 广东艾沃科技有限公司 | Flushing magnetic valve feedback circuit of water purifier and protection method thereof |
| CN104970703A (en) * | 2015-07-29 | 2015-10-14 | 重庆市亚特蓝电器有限责任公司 | Control circuit of intelligent water dispenser |
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