CN215077561U - Contactless campus warm boiled water dispenser - Google Patents

Abstract

A contactless campus warm boiled water drinking machine comprises a main machine body, wherein a water receiving platform for placing a water cup is arranged at the front end part of the main machine body, a water outlet nozzle is arranged right above the water receiving platform and is communicated with a water outlet end of a water tank assembly through a warm water pipe, a warm water electromagnetic valve for switching on and off the water outlet nozzle is arranged on the warm water pipe, a photoelectric sensing probe is arranged at the position, corresponding to the position where the water cup is placed, of the front end part of the main machine body, and the photoelectric sensing probe is electrically connected with the warm water electromagnetic valve through a control circuit board; whether place the drinking cup through the response water receiving platform of photoelectric sensing probe, can realize automatic water, easy operation reduces the play water part of student contact main fuselage, avoids the student contact play water part of every water intaking, causes the bacterium to arouse risk such as propagation through hand contact.

Description

Contactless campus warm boiled water dispenser

Technical Field

The utility model relates to a drinking water equipment field specifically is a contactless campus warm boiled water dispenser.

Background

The existing warm water drinking equipment is composed of a large heating water liner, a heat exchanger and a connecting pipeline, firstly, cold water enters the water liner to be boiled and then enters the heat exchanger to be cooled and then is pressed out of a water faucet by running water pressure for use, the first heating needs to wait for a long time, the cost of the heating liner is high, the service life can be influenced by high temperature and high pressure, the water outlet speed of the water faucet can be influenced by the running water pressure to cause unstable water outlet, the water outlet of a plurality of water faucets is small when the water faucets are simultaneously opened, the water outlet temperature of warm water can be influenced by the water inlet temperature of running water, the temperature of warm water is higher in summer, and the water stored in the water liner can be repeatedly reheated after being cooled.

Therefore, the applicant provides 2016.12.20 a practical utility model named as "fast-to-become constant-temperature constant-current warm water dispenser for campus", which solves the above problems, a preheating device in a preheating water tank assembly heats up water in the preheating water tank below a certain temperature value and keeps a constant-temperature mode, but in the actual use process, when the warm water dispenser has a circuit fault (for example, a low water level switch fault), the preheating device can continuously heat and release a large amount of heat, so that the preheating water tank made of plastic materials is heated and melted, and safety accidents are easy to occur, therefore, further improvement is needed, and the constant-temperature mode is realized under the safe condition.

Meanwhile, the existing users of the warm drinking equipment need to press the water outlet component to enable warm water to flow into the water cup through the water outlet nozzle, however, in a period of high risk of disease propagation, each user touches the water outlet component with a hand to adhere part of bacteria to the water outlet component, and the users who take water later easily have the problems of disease infection due to the bacteria contacting the water outlet component and propagation risk, so that the water outlet mode of the warm drinking equipment needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned current problem, provide a simple structure, reasonable a contactless campus warm boiled water dispenser, its main role is to make the water tank subassembly can keep the constant temperature mode, after avoiding circuit trouble appearing, causes preheating device to last high temperature to generate heat and leads to the water tank to be heated the condition of melting.

A contactless campus warm boiled water drinking machine comprises a main machine body, wherein a water tank assembly, a quick-heating water boiling assembly, a heat exchanger and a control circuit board are installed in the main machine body, the quick-heating water boiling assembly is provided with a water inlet and a water outlet, the heat exchanger is provided with a first heat exchange water channel and a second heat exchange water channel which exchange heat with each other, the first heat exchange water channel is provided with a low-temperature water inlet and a first heat exchange outlet, and the second heat exchange water channel is provided with a high-temperature water inlet and a second heat exchange outlet;

the first heat exchange outlet is communicated with a water inlet of the quick-heating water boiling assembly through a first water inlet pipe, the high-temperature water inlet is communicated with a water outlet of the quick-heating water boiling assembly, the second heat exchange outlet is communicated with a water inlet end of the water tank assembly, a water discharging end is arranged at the lower part of the water tank assembly and is connected with the first water inlet pipe through a return pipe, and a check valve and a circulating water pump are sequentially arranged on the return pipe along the water path direction;

the preceding tip of host computer body is equipped with the water receiving platform of placing the drinking cup, install more than one faucet directly over the water receiving platform, each faucet is respectively through the play water end intercommunication of corresponding warm water pipe and water tank set spare, installs the warm water solenoid valve of break-make faucet on the warm water pipe, near corresponding each faucet of host computer body is equallyd divide and is do not be equipped with corresponding photoelectric sensing probe, photoelectric sensing probe passes through control circuit board and warm water solenoid valve electric connection. Because the water outlet of the water dispenser is warm water, scalding accidents can not happen, and therefore when an object enters the position near the water outlet nozzle, the object is detected by the photoelectric sensing probe, namely the object is detected to be a water cup entering by default and then water is discharged; so as to avoid the spread of bacteria caused by more people contacting the water dispenser in the campus (or other occasions with more people).

The utility model discloses can also adopt following technical measure to solve:

further, the photoelectric sensing probe is arranged at the position, corresponding to the position where the water cup is placed, of the front end part of the main body.

Further explaining, the water tank assembly comprises a water tank, a high water level switch and a low water level switch which are arranged in an inner cavity of the water tank from top to bottom, and a water inlet end of the water tank is communicated with a second heat exchange outlet of the heat exchanger through a water replenishing pipe; and a temperature sensor is arranged in the water tank.

Further, the quick-heating water boiling assembly comprises a water boiling container, a quick heating device, a water level sensor and a water outlet temperature sensor, wherein the water boiling container is in a vertically arranged long cylinder shape, the quick heating device is vertically arranged on the inner bottom of the water boiling container, the water inlet is arranged at the lower part of the water boiling container, the water outlet, the water level sensor and the water outlet temperature sensor are all arranged at the upper part of the water boiling container and are positioned above the quick heating device, and the water outlet temperature sensor is arranged at a position close to the water outlet.

Further, the drainage end of the water tank assembly is further connected with a drainage pipe, the drainage pipe is provided with a drainage outlet, a drainage valve is installed between the drainage outlet and the drainage end, the lower portion of the quick-heating water boiling assembly is provided with a scale discharging end, the scale discharging end is provided with a scale discharging pipe, the scale discharging pipe is communicated with the drainage pipe between the drainage valve and the drainage outlet, and a scale discharging valve is installed on the scale discharging pipe.

Further, the low-temperature water inlet is communicated with a municipal water supply source through a main water inlet pipe, a purification device is connected between the low-temperature water inlet and the municipal water supply source, and a flowmeter and a water inlet electromagnetic valve are sequentially installed between the purification device and the low-temperature water inlet.

Further explaining, the purification device sequentially comprises a primary PP cotton filter element, a water inlet valve, a granular activated carbon filter element, a secondary PP cotton filter element, a booster pump, a nanofiltration membrane filter element and a rear activated carbon filter element along the water path direction, a high-pressure switch and a pressure barrel are arranged between the nanofiltration membrane filter element and the rear activated carbon filter element, a wastewater outlet is arranged on the nanofiltration membrane filter element, a flushing electromagnetic pump and a wastewater ratio meter are connected between the wastewater outlet and the nanofiltration membrane filter element, and a pressure switch is arranged between the primary PP cotton filter element and the water inlet valve.

Further, an exhaust port is arranged at the top of the water boiling container and is communicated with the water tank through an exhaust pipe, the position where the exhaust pipe is connected with the water tank is higher than the high water level switch, and a pressure release valve is arranged between the exhaust port and the exhaust pipe.

Further, the heat exchanger comprises an outer pipe and an inner pipe, the inner pipe is arranged in the outer pipe, a gap between the inner pipe and the outer pipe forms the first heat exchange water channel, and an inner cavity of the inner pipe forms the second heat exchange water channel.

Further, a maintenance valve is further installed on the warm water pipe between the warm water electromagnetic valve and the water outlet end of the water tank assembly, and the water outlet nozzle is communicated with the lower portion of the water tank through the warm water electromagnetic valve warm water pipe and the maintenance valve.

Further explaining, a water receiving tray is movably arranged on the water receiving platform; and a display screen area is arranged on the upper part of the main body.

Further, the control circuit board is provided with a quantitative water outlet circuit, and each time the photoelectric sensing probe detects that an object enters the detection area of the photoelectric sensing probe, the quantitative water outlet circuit controls the maximum water outlet quantity of the water outlet nozzle to prevent water source waste, and certainly, if the object moves out of the cover area, the water outlet can be stopped immediately.

The utility model has the advantages as follows:

the utility model relates to a contactless campus warm boiled water dispenser, simple structure, whether the water receiving platform places the drinking cup through the response of photoelectric sensing probe, can realize automatic water outlet, easy operation; moreover, as the water outlet is warm water, the scalding problem is avoided, the contact of students with the water outlet part of the main body is reduced, and the risk that the bacteria are spread and the like due to the contact of hands of each student for taking water is avoided;

in addition, every time water is discharged quantitatively, even if other reasons are wrongly sensed by the photoelectric sensing probe to discharge water, excessive waste is avoided, and the device is more environment-friendly;

and go into the fast hot water of fast hot water boiling subassembly through check valve and circulating water pump in with the water tank set spare and heat and flow back to the water tank set spare through heat exchanger's second heat transfer water course again, the tepid water dispenser of this structure can utilize the fast hot water boiling subassembly to heat the water in the water tank set spare constant temperature, save installation preheating device in the water tank set spare, thereby it leads to the water tank to be heated to melt the condition to lead to continuous high temperature to generate heat of preheating device to cause behind the circuit trouble to appear, therefore, the security is high, can reduce the cost of water tank set spare, can make full use of the fast hot water boiling subassembly.

Drawings

Fig. 1 is a schematic structural view of the main body of the present invention.

Fig. 2 is a schematic view of the internal structure of the main body of the present invention.

Fig. 3 is a schematic diagram of the water path principle of the present invention.

Fig. 4 is a schematic structural view of the purification device of the present invention.

Fig. 5 is a schematic diagram of the circuit system of the present invention.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1 and 5, the contactless campus warm boiled water dispenser comprises a main body M, a water tank assembly a, a quick-heating water boiling assembly B, a heat exchanger C and a control circuit board D are installed in the main body M, the quick-heating water boiling assembly B is provided with a water inlet B1 and a water outlet B2, the heat exchanger C is provided with a first heat exchange water channel and a second heat exchange water channel which are in heat exchange with each other, the first heat exchange water channel is provided with a low-temperature water inlet C1 and a first heat exchange outlet C2, the second heat exchange water channel is provided with a high-temperature water inlet C3 and a second heat exchange outlet C4,

the first heat exchange outlet C2 is communicated with a water inlet B1 of the quick-heating water boiling component B through a first water inlet pipe 1, the high-temperature water inlet C3 is communicated with a water outlet B2 of the quick-heating water boiling component B, the second heat exchange outlet C4 is communicated with a water inlet end A1 of the water tank component A, a water discharging end A2 is arranged at the lower part of the water tank component A, the water discharging end A2 is connected with the first water inlet pipe 1 through a return pipe 2, and a check valve 3 and a circulating water pump 4 are sequentially installed on the return pipe 2 along the water path direction; go into the fast hot water of fast hot water boiling subassembly B through check valve 3 and circulating water pump 4 in with water tank set spare A and heat and flow back to water tank set spare A through heat exchanger C's second heat transfer water course, the tepid water dispenser of this structure can utilize the fast hot water boiling subassembly B to heat the water in the water tank set spare A constant temperature, save installation preheating device in water tank set spare A, thereby cause preheating device to last high temperature to generate heat and lead to the water tank to be heated the condition of melting after avoiding circuit fault, the security is high, can reduce water tank set spare A's cost, can make full use of fast hot water boiling subassembly B.

The water receiving platform M1 for placing a water cup is arranged at the front end of the main machine body M, a water outlet nozzle M2 is arranged right above the water receiving platform M1, the water outlet nozzle M2 is communicated with a water outlet end A3 of the water tank assembly A through a warm water pipe 51, a warm water electromagnetic valve 52 for connecting and disconnecting the water outlet nozzle is arranged on the warm water pipe 51, a photoelectric sensing probe M3 is arranged at the position, corresponding to the position where the water cup is placed, of the front end of the main machine body M, the photoelectric sensing probe M3 is electrically connected with the warm water electromagnetic valve 52 through a control circuit board D, whether the water cup is placed on the water receiving platform or not is sensed through the photoelectric sensing probe, automatic water outlet can be achieved, the operation is simple, the problem that hands are scalded can be solved, students are prevented from contacting the water outlet part of the main machine body, and the risk that bacteria are propagated due to the contact of the hands is avoided.

The water tank assembly A comprises a water tank 11, a high water level switch 12 and a low water level switch 13 which are vertically arranged in an inner cavity of the water tank 11, and a water inlet end A1 of the water tank 11 is communicated with a second heat exchange outlet C4 of the heat exchanger C through a water supplementing pipe 5; the water boiler is characterized in that a temperature sensor 14 is arranged in the water tank 11, the high water level switch 12 and the low water level switch 13 are used for detecting the water level of the water tank 11, when the water level triggers the high water level switch 12, the water inlet electromagnetic valve X2 stops working, when the water level triggers the low water level switch 13, the water inlet electromagnetic valve X2 works to pump warm water into the water tank 11, the temperature sensor 14 is used for detecting the water temperature in the water tank 11, when the water temperature of the water tank 11 is lower than a certain temperature value, the circulating water pump 4 is started to pump the water into the quick-heating water boiling component B for heating, and the heating is stopped until the water is heated to a certain temperature value, and the circulation is carried out.

The quick-heating water boiling assembly B comprises a water boiling container 21, a quick heating device 22, a water level sensor 23 and a water outlet temperature sensor 24, the water boiling container 21 is in a vertically arranged long cylinder shape, the quick heating device 22 is vertically arranged at the bottom in the water boiling container 21, a water inlet B1 is arranged at the lower part of the water boiling container 21, a water outlet B2, the water level sensor 23 and the water outlet temperature sensor 24 are all arranged at the upper part of the water boiling container 21 and above the quick heating device 22, and the water outlet temperature sensor 24 is arranged at a position close to the water outlet B2.

The quick-heating water boiling assembly B also has a disinfecting and sterilizing effect, and when low-temperature water in the water tank 11 is pumped into the water boiling container 21 through the circulating water pump 4, the quick-heating device 22 generates heat, and the low-temperature water is disinfected and sterilized at high temperature and then flows back into the water tank 11.

The water discharging end A2 of the water tank assembly A is further connected with a water discharging pipe 6, the water discharging pipe 6 is provided with a water discharging opening 61, a water discharging valve 7 is installed between the water discharging opening 61 and a water discharging end A2, the lower portion of the quick-heating water boiling assembly B is provided with a scale discharging end B3, the scale discharging end B3 is provided with a scale discharging pipe 8, the scale discharging pipe 8 is communicated with the water discharging pipe 6 between the water discharging valve 7 and the water discharging opening 61, and a scale discharging valve 9 is installed on the scale discharging pipe 8; the accumulated water in the water tank assembly a or the dirt in the boiler container 21 is drained through the drain port 61.

The low-temperature water inlet C1 is communicated with a municipal water supply source W through a main water inlet pipe 10, a purification device X is connected between the low-temperature water inlet C1 and the municipal water supply source W, and a flow meter X1 and a water inlet electromagnetic valve X2 are sequentially arranged between the purification device X and the low-temperature water inlet C1; the tap water entering the warm drinking water machine can be filtered, so that the drinking water is safer and healthier, and the pipe scale in the warm drinking water machine is reduced.

The purification device X can be arranged in the warm water dispenser or externally arranged outside the warm water dispenser and communicated with the low-temperature water inlet C1.

The purification device X sequentially comprises a primary PP cotton filter element 31, a water inlet valve 32, a granular activated carbon filter element 33, a secondary PP cotton filter element 34, a booster pump 35, a sodium filter membrane filter element 36 and a rear activated carbon filter element 37 along the waterway direction, a high-pressure switch 38 and a pressure barrel 39 are arranged between the sodium filter membrane filter element 36 and the rear activated carbon filter element 37, a wastewater outlet 361 is arranged on the sodium filter membrane filter element 36, and a flushing electromagnetic pump 362 and a wastewater ratio meter 363 are connected between the wastewater outlet 361 and the sodium filter membrane filter element 36; the filtering effect can be improved, and a pressing switch 30 is arranged between the first-stage PP cotton filter element 31 and the water inlet valve 32.

The top of the water boiling container 21 is also provided with an air outlet 25, the air outlet 25 is communicated with the water tank 11 through an air outlet pipe 26, and the position where the air outlet pipe 26 is connected with the water tank 11 is higher than the high water level switch 12.

A pressure release valve 2 is also arranged between the exhaust port 25 and the exhaust pipe 26; the high pressure gas in the water boiling container 21 is discharged into the water tank 11 to keep the pressure balance and prevent the water boiling container 21 from bursting.

The heat exchanger C comprises an outer pipe 40 and an inner pipe 41, the inner pipe 41 is arranged in the outer pipe 40, a gap between the inner pipe 41 and the outer pipe 40 forms the first heat exchange water channel, and an inner cavity of the inner pipe 41 forms the second heat exchange water channel; the outer tube 40 and the inner tube 41 are made of pure copper and other tubes with good heat conductivity, and the outer tube 40 and the inner tube 41 are arranged in the heat exchanger C in a continuous bending mode and the like, so that the heat exchange time is prolonged, and the occupied space is reduced.

A maintenance valve 53 is also arranged on the warm water pipe 51 between the warm water electromagnetic valve 52 and the water outlet end of the water tank assembly, and the water outlet nozzle is communicated with the lower part of the water tank 11 through the warm water electromagnetic valve 52, the warm water pipe 51 and the maintenance valve 53; the user can discharge water simultaneously, and the time wasted by queuing is saved.

A water receiving tray M4 is movably arranged on the water receiving platform M1, and the water receiving tray M4 can collect warm water overflowing from a water cup, so that the warm water is prevented from flowing downwards along the main body M; the upper part of the main body M is provided with a display screen area M5, and the display screen area M5 can display the working state of the water dispenser.

The control circuit board is provided with a quantitative water outlet circuit, the quantitative water outlet circuit can be judged by a flowmeter, or whether the water amount reaches a default value or not is judged by time, and if so, the water outlet is automatically stopped. Of course, if the cup body is moved away in the water taking process, the control circuit board can control the water outlet to stop.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but rather that various changes and modifications may be made without departing from the spirit and scope of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims (10)

1. A contactless campus warm boiled water drinking machine comprises a main machine body (M), a water tank assembly (A), a fast hot water boiling assembly (B), a heat exchanger (C) and a control circuit board (D) are installed in the main machine body (M), the fast hot water boiling assembly (B) is provided with a water inlet (B1) and a water outlet (B2), the heat exchanger (C) is provided with a first heat exchange water channel and a second heat exchange water channel which exchange heat with each other, the first heat exchange water channel is provided with a low-temperature water inlet (C1) and a first heat exchange outlet (C2), the second heat exchange water channel is provided with a high-temperature water inlet (C3) and a second heat exchange outlet (C4), the first heat exchange outlet (C2) is communicated with the water inlet (B1) of the fast hot water boiling assembly (B) through a first water inlet pipe (1), the high-temperature water inlet (C3) is communicated with the water outlet (B2) of the fast hot water boiling assembly (B), and the second heat exchange outlet (C4) is communicated with a water inlet end (A1) of the water tank assembly (A), the method is characterized in that:

the preceding tip of host computer body (M) is equipped with water receiving platform (M1) of placing the drinking cup, install faucet (M2) more than one directly over water receiving platform (M1), each faucet (M2) is respectively through outlet end (A3) intercommunication of corresponding warm water pipe (51) and water tank subassembly (A), installs the warm water solenoid valve (52) of break-make faucet on warm water pipe (51), near corresponding each faucet (M2) of host computer body (M) are equallyd divide and are do not be equipped with corresponding photoelectric sensing probe (M3), photoelectric sensing probe (M3) are through control circuit board (D) and warm water solenoid valve (52) electric connection.

2. The contactless campus warm boiled water dispenser of claim 1, characterized in that: the photoelectric sensing probe (M3) is arranged at the position, corresponding to the cup, of the front end part of the main body (M).

3. The contactless campus warm boiled water dispenser of claim 1, characterized in that: the lower part of water tank set spare (A) is equipped with drainage end (A2), and drainage end (A2) is connected with first inlet tube (1) through back flow (2), installs check valve (3) and circulating water pump (4) along water route direction in proper order on back flow (2).

4. The contactless campus warm boiled water dispenser of claim 1, characterized in that: the water tank assembly (A) comprises a water tank (11), a high water level switch (12) and a low water level switch (13) which are vertically arranged in an inner cavity of the water tank (11), and a water inlet end (A1) of the water tank (11) is communicated with a second heat exchange outlet (C4) of the heat exchanger (C) through a water supplementing pipe (5); a temperature sensor (14) is arranged in the water tank (11).

5. The contactless campus warm boiled water dispenser of claim 2, characterized in that: the quick-heating water boiling assembly (B) comprises a water boiling container (21), a quick heating device (22), a water level sensor (23) and a water outlet temperature sensor (24), wherein the water boiling container (21) is in a vertically-arranged long cylinder shape, the quick heating device (22) is vertically arranged on the bottom in the water boiling container (21), a water inlet (B1) is formed in the lower part of the water boiling container (21), a water outlet (B2), the water level sensor (23) and the water outlet temperature sensor (24) are arranged on the upper part of the water boiling container (21) and are positioned above the quick heating device (22), and the water outlet temperature sensor (24) is arranged at a position close to the water outlet (B2).

6. The contactless campus warm boiled water dispenser of claim 1, characterized in that: low temperature water inlet (C1) is through main inlet tube (10) and municipal water supply source (W) intercommunication, be connected with purifier (X) between low temperature water inlet (C1) and the municipal water supply source (W), install flowmeter (X1) and water inlet solenoid valve (X2) between purifier (X) and low temperature water inlet (C1) in proper order.

7. The contactless campus warm boiled water dispenser of claim 5, characterized in that: the top of the water boiling container (21) is also provided with an exhaust port (25), the exhaust port (25) is communicated with the water tank (11) through an exhaust pipe (26), and the position where the exhaust pipe (26) is connected with the water tank (11) is higher than the high water level switch (12); and a pressure release valve (27) is also arranged between the exhaust port (25) and the exhaust pipe (26).

8. The contactless campus warm boiled water dispenser of claim 1, characterized in that: the heat exchanger (C) comprises an outer pipe (40) and an inner pipe (41), the inner pipe (41) is arranged in the outer pipe (40), a gap between the inner pipe (41) and the outer pipe (40) forms the first heat exchange water channel, and the inner cavity of the inner pipe (41) forms the second heat exchange water channel.

9. The contactless campus warm boiled water dispenser of claim 2, characterized in that: and a maintenance valve (53) is further installed on the warm water pipe (51) between the warm water electromagnetic valve (52) and the water outlet end of the water tank assembly, and the water outlet nozzle is communicated with the lower part of the water tank (11) through the warm water electromagnetic valve (52), the warm water pipe (51) and the maintenance valve (53).

10. The contactless campus warm boiled water dispenser of claim 1, characterized in that: and a quantitative water outlet circuit is arranged in the control circuit board (D).

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