CN207799479U - A kind of Drinking fountain manually adds water controller - Google Patents

Abstract

The utility model discloses a kind of Drinking fountains manually to add water controller, it cannot the moisturizing into Drinking fountain in time when solving the problems, such as to cut off the water, its key points of the technical solution are that, include raw water box and clear water tanks with inlet pipeline, entering water electromagnetic valve and low tension switch are provided on inlet pipeline, the first high water level sensor is provided in clear water tanks, the moisturizing spacing place of raw water box is provided with moisturizing limit sensors, control device further includes being coupled to low tension switch, moisturizing limit sensors and the first high water level sensor and the first logic circuit for exporting the first signal, first logic circuits coupled, which has, receives the first signal and in response to the warning circuit of the first signal；When being less than the position of the first high water level sensor less than the water level in moisturizing limit sensors position and clear water tanks without the water level in water, raw water box in inlet pipeline, warning circuit is warned, a kind of Drinking fountain disclosed by the utility model manually adds water controller, in tap water cut-off, people are reminded to add water in time.

Description

A kind of Drinking fountain manually adds water controller

Technical field

The utility model is related to Drinking fountain, more particularly to a kind of Drinking fountain manually adds water controller.

Background technology

Drinking fountain be it is a kind of having the function of that by municipal tap water purified treatment be direct drinking water, while can will be at purification Water after reason is heated by the method for consuming electric energy, the utensil for freezing and being distributed.

In the prior art, it is provided with raw water box and clear water tanks in Drinking fountain, an artificial filler is offered on raw water box, Manually municipal tap water can be added by filler to raw water box, be provided between raw water box and clear water tanks filtration core into Row multistage filtering obtains the pure water that can directly drink raw.

The course of work of Drinking fountain is as described above, this artificial filler is easy for not having on the running water pipe that user connects It is used in the case of having water source, in life, can encounter some emergency cases often and cut off the water one day either for a period of time, It finds there is no water in no raw water box when user needs using Drinking fountain at this time, can not use and make troubles, therefore, There is also certain rooms for improvement.

Utility model content

The purpose of this utility model is to provide a kind of Drinking fountain and manually adds water controller, the water shortage in Drinking fountain When, people can be reminded to add water in time.

The above-mentioned technical purpose of the utility model technical scheme is that：

A kind of Drinking fountain manually adds water controller, including raw water box and clear water tanks, is provided with into water on the raw water box Pipeline is provided with entering water electromagnetic valve and low tension switch on the inlet pipeline, and the high water level position of the clear water tanks is provided with The moisturizing spacing place of one high water level sensor, the raw water box is provided with moisturizing limit sensors, and the control device further includes It is coupled to low tension switch, moisturizing limit sensors and the first high water level sensor and exports the first logic circuit of the first signal, First logic circuits coupled, which has, receives the first signal and in response to the warning circuit of the first signal；

When low tension switch detects to be less than moisturizing limit sensors position without the water level in water, raw water box in inlet pipeline And the water level in clear water tanks is when being less than the position of the first high water level sensor, the logic circuit exports the first signal to warning electricity Road is warned.

Using the above scheme, low tension switch detects that no water in inlet pipeline, moisturizing limit sensors detect raw water There is water in case, but the first high water level sensor detects when raw water box is water vacant state and low tension switch detects in inlet pipeline When not having water, people, Drinking fountain are warned to be in exsiccosis and tap water cut-off, need to be replenished in time by warning circuit Raw water.

Preferably, the warning circuit includes strobe light emission diode.

Using the above scheme, what strobe light emission diode compared is eye-catching, is more easy to attract much attention, to improving warning The warning effect of circuit.

Preferably, the warning circuit includes buzzer.

Using the above scheme, it alarms, can make not in Drinking fountain bystanders it is noted that further improving police Show the warning effect of circuit.

Preferably, the warning circuit includes the audio amplifier circuit of two triodes and buzzer composition.

Using the above scheme, pass through the amplification of two triodes so that the sound bigger of buzzer, it is easier to cause The attention of people.

Preferably, the bottom of the raw water box is provided with external water supply pipe, it is sequentially connected on the water supply pipe There are water supply electromagnetic valve and booster pump, the second low water level sensor, the control device are provided at the low water level of the raw water box Further include being coupled to the first high water level sensor, low tension switch and the second low water level sensor and exporting the second of second signal Logic circuit, second logic circuits coupled have the first control circuit for receiving second signal and exporting first control signal, The first control circuit be coupled with receive first control signal and in response to first control signal with start water supply electromagnetic valve and Booster pump；When the water level in clear water tanks reaches the position of the first high water level sensor, low tension switch detects in inlet pipeline do not have When having the position that water level in water and raw water box is less than the second low water level sensor, the second logic circuit exports second signal to the One control circuit is to start water supply electromagnetic valve and booster pump to supply water to raw water box.

Using the above scheme, by the setting of booster pump and water supply pipe, do not have when low tension switch detects in inlet pipeline Have water, water is less than in clear water tanks and raw water box in when there is no water, control booster pump open so that people to leave the raw water come continuous It is added into raw water box, need not manually add water, it is more intelligent.

Preferably, the first control circuit includes in response to the first signal to realize the switch element and sound of break-make It should be in the break-make of switch element to control whether the executive component for being closed entering water electromagnetic valve current supply circuit.

Preferably, the switch element is triode, the executive component is relay, on the coil of the relay Parallel connected in reverse phase has fly-wheel diode.

Using the above scheme, triode can complete the function of switch, while can be according to voltage change or curent change Realize break-make, it is convenient some signals in circuit are judged, improve the reasonability of circuit design；Executive component use after Electric appliance so that whole circuit can be more simple, while the normally opened contact of relay cooperates with normally-closed contact and realizes, It can realize that one-time detection completes two kinds of actions so that circuit design is more convenient, and the maintenance of low cost convenient for the later stage；After Antiparallel fly-wheel diode on the coil of electric appliance can consume the aftercurrent on the coil for remaining in relay, The effective service life improved relay and used.

Preferably, being also set up in the first control circuit, there are one capacitances, and one end of the capacitance is coupled to three poles The base stage of pipe, the other end ground connection of the capacitance.

Using the above scheme, in practical applications, since liquid level often floats up and down, when making to lead to when the contact point of relay It is disconnected, frequently it is attracted release, it is easy to which the contact point for burning out relay adds capacitance in the control circuit of triode, makes three poles The on or off time delay of pipe does not make relay act at once, plays the role of protective relay contact point.

Preferably, the clear water tanks are connected with hot tank for heating filtered water, it is provided in the clear water tanks First low water level sensor, first low water level sensor are coupled with third logic circuit, the third logic circuits coupled Have and controls the hot tank control circuit that hot tank opens and closes, when the water level in clear water tanks is less than the first low water level sensor, hot tank control Circuit disconnects the current supply circuit of hot tank.

Using the above scheme, the clear water tanks are connected with hot tank for heating filtered water, are set in the clear water tanks It is equipped with the first low water level sensor, first low water level sensor is coupled with third logic circuit, the third logic circuit It is coupled with and controls the heat pipe control circuit that hot tank opens and closes, when the water level in clear water tanks is less than the first low water level sensor, hot tank Control circuit disconnects the current supply circuit of hot tank.

In conclusion the utility model has the advantages that：

Low tension switch detects that no water in inlet pipeline, moisturizing limit sensors detect there is water in raw water box, but the When one high water level sensor detects when raw water box is water vacant state and low tension switch detects does not have water in inlet pipeline, pass through Warning circuit warns people, Drinking fountain to be in exsiccosis and tap water cut-off, need that raw water is replenished in time.

Description of the drawings

Fig. 1 is the workflow schematic diagram of Drinking fountain in the present embodiment；

Fig. 2 is the circuit diagram that Drinking fountain intelligence moisturizing when cutting off the water is controlled in the present embodiment；

Fig. 3 is the circuit diagram of hot tank intelligent heating in control Drinking fountain in the present embodiment.

In figure：1, raw water box；11, the second low water level sensor；12, the second high water level sensor；13, moisturizing limit sensing Device；2, clear water tanks；21, the first high water level sensor；22, the first low water level sensor；3, inlet pipeline；31, entering water electromagnetic valve； 32, low tension switch；4, external water source；5, filtration core；6, hot tank；71, the first logic circuit；72, warning circuit；73, it second patrols Collect circuit；74, first control circuit；75, third logic circuit；76, hot tank control circuit；8, external water supply pipe；81, it supplies water Solenoid valve.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing.

A kind of Drinking fountain disclosed in the present embodiment manually adds water controller, as shown in Figure 1, including raw water box 1, clear water tanks 2, it is set to the inlet pipeline 3 of 1 bottom of raw water box, one end of inlet pipeline 3 is coupled to external water source 4, is mainly connected to water Interface tube, entering water electromagnetic valve 31 is provided on inlet pipeline 3, and entering water electromagnetic valve 31 can be right by water supply 4 when opening 1 moisturizing of raw water box is connected with low tension switch 32, entering water electromagnetic valve 31, raw water box 1, filtration core 5 and net on inlet pipeline 3 in turn Water tank 2, wherein filtration core 5 are used to purify municipal tap water for pure water directly to drink, and clear water tanks 2 are connected with hot tank 6 For alloing people directly to drink hot water the heating of filtered water.

Low tension switch 32 has been used to detect whether tap water, and when cutting off the water, low tension switch 32 will detected And low level is exported, when having water, low tension switch 32 is closed to export high level；Entering water electromagnetic valve 31 open when It waits, can be that raw water box 1 carries out moisturizing by water supply.

The high water level position of clear water tanks 2 is provided with the first high water level sensor 21, wherein clear water tanks 2 or the original being subsequently noted High water level position in water tank 1, the low water level position and moisturizing restraining position are all in accordance with needs oneself definition, main root It is configured according to the depth of raw water box 1；The testing principle of wherein the first high water level sensor 21 is to detect that water body reaches to correspond to High level is exported behind position, is the basic principle of common liquid level sensor on the market, under without exporting low level when water level The first low water level sensor 22, the second low water level sensor 11, the second high water level sensor 12, moisturizing limit sensing described in face The operation principle of device 13 is identical, and it is no longer repeated, and the first low water level sensor 22 is located at the first high water level sensor 21 Lower section, wherein moisturizing restraining position are between the second high water level sensor 12 and the second low water level sensor 11 and in raw water box 1 moisturizing restraining position is provided with moisturizing limit sensors 13.

In conjunction with shown in Fig. 1 and Fig. 2, control device further include be coupled to low tension switch 32, moisturizing limit sensors 13 and First high water level sensor 21 and the first logic circuit 71 for exporting the first signal, the first logic circuit 71 are coupled with reception first Signal and in response to the warning circuit of the first signal 72；

When low tension switch 32 detects to be less than moisturizing limit sensors without the water level in water, raw water box 1 in inlet pipeline 3 When water level in 13 positions and clear water tanks 2 is less than the position of the first high water level sensor 21, the first logic circuit 71 output first Signal to warning circuit 72 is warned.

First logic circuit 71 includes the first not circuit NOT1, the second not circuit NOT2 and the first AND gate circuit The input terminal of AND1, the first not circuit NOT1 are coupled to low tension switch 32, and the output end of the first not circuit NOT1 is coupled to The second input terminal of first AND gate circuit AND1；The input terminal of second not circuit NOT2 is coupled to the first high water level sensor 21, the output end of the second not circuit NOT2 is coupled to the third input terminal of the first AND gate circuit AND1；Moisturizing limit sensors 13 output end is coupled to the first input end of the first AND gate circuit AND1, the output end output first of the first AND gate circuit AND1 Signal.

Warning circuit 72 includes the audio amplifier circuit of triode Q1, triode Q2 and a buzzer SP composition, three poles The base stage of pipe Q1 is coupled to the output end of the first AND gate circuit AND1, and the emitter of triode Q1 is coupled to the base of triode Q2 Pole, the collector of triode Q1 are coupled to buzzer SP after being coupled to the collector of triode Q2 and are connect with power supply V1, three poles The emitter of pipe Q2 is grounded, and to improve, warning effect can also increase light emitting diode or strobe light emission diode is warned Show；Divider resistance R1 is wherein coupled between the first AND gate circuit AND1 and the base stage of triode Q1, and in warning circuit 72 also There are one capacitance C1, one end of capacitance C1 to be coupled to the tie point of divider resistance R1 and triode Q1 for setting, and capacitance C1's is another End ground connection.

The bottom of raw water box 1 is provided with external water supply pipe 8, is connected with water supply electromagnetic valve 81 on water supply pipe in turn and increases Press pump is provided with the second low water level sensor 11 at the low water level of raw water box 1, and control device further includes being coupled to the first high water level Sensor 21, low tension switch 32 and the second low water level sensor 11 and the second logic circuit 73 for exporting second signal, second Logic circuit 73 is coupled with the first control circuit 74 for receiving second signal and exporting first control signal, first control circuit 74 It is coupled with and receives first control signal and in response to first control signal to start water supply electromagnetic valve 81 and booster pump；Work as clear water tanks Water level in 2 reaches the position of the first high water level sensor 21, low tension switch 32 detects in inlet pipeline 3 without water and raw water When water level in case 1 is less than the position of the second low water level sensor 11, the second logic circuit 73 exports second signal to the first control Circuit 74 processed is to start water supply electromagnetic valve 81 and booster pump to supply water to raw water box 1.

Second logic circuit 73 includes the first not circuit NOT1, third not circuit NOT3 and the second AND gate circuit The input terminal of AND2, the first not circuit NOT1 are coupled to low tension switch 32, and the output end of the first not circuit NOT1 is coupled to The first input end of second AND gate circuit AND1；The input terminal of third not circuit NOT3 is coupled to the second low water level sensor 11, the output end of third not circuit NOT3 is coupled to the third input terminal of the second AND gate circuit AND2；First high water level senses The output end of device 21 is coupled to the second input terminal of the second AND gate circuit AND2, the output end output of the second AND gate circuit AND2 the Binary signal.

First control circuit 74 includes realizing the switch element of break-make and being to control in response to the break-make of switch element The no executive component for being closed 31 current supply circuit of entering water electromagnetic valve；Switch element is preferably NPN type triode Q3, executive component be after The output end of electric appliance KM1, the second AND gate circuit AND1 are coupled to the base stage of triode Q3, and the emitter of triode Q3 is grounded, and three The collector of pole pipe Q3 is coupled to voltage V2 after being coupled to the coil of relay KM1, there is parallel connected in reverse phase on the coil of relay KM1 Sustained diode 1；One end of the normally opened contact KM1-1 of relay KM1 is grounded after being coupled to entering water electromagnetic valve 31, other end coupling It is connected to voltage V3；One end of the normally opened contact KM1-2 of relay KM1 is grounded after being coupled to booster pump, and the other end is coupled to voltage V4；Divider resistance R2, and first control circuit 74 are wherein coupled between the second AND gate circuit AND2 and the base stage of triode Q3 In also set up there are one capacitance C2, one end of capacitance C2 is coupled to the tie point of divider resistance R2 and triode Q3, capacitance C2's The other end is grounded.

When the water level in clear water tanks 2 reaches the position of the first high water level sensor 21, low tension switch 32 detects water inlet pipe When being less than the position of the second low water level sensor 11 without the water level in water and raw water box 1 in road 3, the second AND gate circuit AND2 is defeated Go out second signal to first control circuit 74, triode Q3 is made to be connected, the coil of relay KM1 obtains electric, and relay KM1's is normally opened Contact KM1-1 and normally opened contact KM1-2 are closed, and water supply electromagnetic valve 81 and booster pump, which are opened, at this time is stored user with realizing Raw water supply water to raw water box 1.

In conjunction with shown in Fig. 1 and Fig. 3, clear water tanks 2 are connected with hot tank 6 for heating filtered water, are arranged in clear water tanks 2 There are the first low water level sensor 22, the first low water level sensor 22 to be coupled with third logic circuit 75,75 coupling of third logic circuit It is connected to and controls the hot tank control circuit 76 that hot tank 6 opens and closes, when the water level in clear water tanks 2 is less than the first low water level sensor 22, Hot tank control circuit 76 disconnects the current supply circuit of hot tank 6.

Third logic circuit 75 includes the 4th not circuit NOT4, and the input terminal of the 4th not circuit NOT4 is coupled to first The output end of low water level sensor 22, the 4th not circuit NOT1 is coupled to 6 control circuit of hot tank.

6 control circuit of hot tank include realize break-make switch element and in response to switch element break-make to control whether It is closed the executive component of 31 current supply circuit of entering water electromagnetic valve；Switch element is preferably NPN type triode Q4, and executive component is relay The output end of device KM2, the 4th not circuit AND4 are coupled to the base stage of triode Q4, the emitter ground connection of triode Q4, three poles The collector of pipe Q3, which is coupled to after the coil of relay KM2, is coupled to voltage V5, there is continuous parallel connected in reverse phase on the coil of relay KM2 Flow diode D2；One end of the normally-closed contact KM2-1 of relay KM2 is grounded after being coupled to entering water electromagnetic valve 31, other end coupling In voltage V6.

When the water level in clear water tanks 2 is less than the position of the first low water level sensor 22, the 4th not circuit AND4 outputs Third signal makes triode Q4 be connected to 6 control circuit of hot tank, and the coil of relay KM2 obtains electric, and the normally closed of relay KM2 is touched Point KM2-1 is disconnected, and heat pump stops heating at this time.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.

Claims (9)

1. a kind of Drinking fountain manually adds water controller, including raw water box（1）And clear water tanks（2）, the raw water box（1）Upper setting There is inlet pipeline（3）, it is characterized in that：The inlet pipeline（3）On be provided with entering water electromagnetic valve（31）And low tension switch（32）, institute State raw water box（1）Moisturizing spacing place be provided with moisturizing limit sensors（13）, the clear water tanks（2）High water level position setting There is the first high water level sensor（21）, the control device further includes being coupled to low tension switch（32）, moisturizing limit sensors （13）With the first high water level sensor（21）And export the first logic circuit of the first signal（71）, first logic circuit （71）It is coupled with and receives the first signal and in response to the warning circuit of the first signal（72）；

Work as low tension switch（32）Detect inlet pipeline（3）It is interior there is no water, raw water box（1）Interior water level is less than moisturizing limit sensing Device（13）Position and clear water tanks（2）Interior water level is less than the first high water level sensor（21）Position when, the logic circuit is defeated Go out the first signal to warning circuit（72）It is warned.

2. a kind of Drinking fountain according to claim 1 manually adds water controller, it is characterized in that：The warning circuit（72） Including strobe light emission diode.

3. a kind of Drinking fountain according to claim 1 manually adds water controller, it is characterized in that：The warning circuit（72） Including buzzer.

4. a kind of Drinking fountain according to claim 3 manually adds water controller, it is characterized in that：The warning circuit（72） The audio amplifier circuit formed including two triodes and a buzzer.

5. a kind of Drinking fountain according to claim 1 manually adds water controller, it is characterized in that：The raw water box（1）'s Bottom is provided with external water supply pipe（8）, water supply electromagnetic valve is connected in turn on the water supply pipe（81）And booster pump, it is described Raw water box（1）Low water level at be provided with the second low water level sensor（11）, the control device further includes that be coupled to first high Water level sensor（21）, low tension switch（32）And second low water level sensor（11）And export the second logic electricity of second signal Road（73）, second logic circuit（73）It is coupled with the first control circuit for receiving second signal and exporting first control signal （74）, the first control circuit（74）It is coupled with and receives first control signal and supplied water in response to first control signal with starting Solenoid valve（81）And booster pump；Work as clear water tanks（2）Interior water level reaches the first high water level sensor（21）Position, low tension switch （32）Detect inlet pipeline（3）It is interior there is no water and raw water box（1）Interior water level is less than the second low water level sensor（11）Position When setting, the second logic circuit（73）Second signal is exported to first control circuit（74）To start water supply electromagnetic valve（81）And supercharging Pump is to supply water to raw water box（1）It is interior.

6. a kind of Drinking fountain according to claim 5 manually adds water controller, it is characterized in that：The first control circuit （74）Include in response to the first signal with realize break-make switch element and in response to switch element break-make to control whether It is closed entering water electromagnetic valve（31）The executive component of current supply circuit.

7. a kind of Drinking fountain according to claim 6 manually adds water controller, it is characterized in that：The switch element is three Pole pipe, the executive component are relay, and parallel connected in reverse phase has fly-wheel diode on the coil of the relay.

8. a kind of Drinking fountain according to claim 7 manually adds water controller, it is characterized in that：The first control circuit （74）In also set up there are one capacitance, one end of the capacitance is coupled to the base stage of triode, the other end ground connection of the capacitance.

9. a kind of Drinking fountain according to claim 1 manually adds water controller, it is characterized in that：The clear water tanks（2）Even It is connected to hot tank（6）For filtered water to be heated, the clear water tanks（2）Inside it is provided with the first low water level sensor（22）, institute State the first low water level sensor（22）It is coupled with third logic circuit（75）, the third logic circuit（75）It is coupled with control heat Tank（6）The hot tank control circuit opened and closed（76）, work as clear water tanks（2）Interior water level is less than the first low water level sensor（22）When, heat Tank control circuit（76）Disconnect hot tank（6）Current supply circuit.