Steady-flow and steady-temperature direct water dispenser

Abstract

A steady-flow and steady-temperature direct water dispenser comprises a water supply unit, a water tank, a heater and a water level probe, the water supply unit is in butt joint with a water supplementing opening of the water tank through a first electromagnetic valve, the heater and the water level probe are arranged in the water tank, and a second electromagnetic valve and a third electromagnetic valve are arranged at different water level heights of the water tank. The first water outlet and the second water outlet are connected with different water level heights of the water tank, and the second electromagnetic valve and the third electromagnetic valve are converged to a hot water taking opening; a partition plate is arranged at the bottom of the water tank. According to the warm-flow stable-temperature direct water dispenser, the water taking electromagnetic valves are installed at different water level heights in the hot water tank, it is guaranteed that the water level difference deviation is not large when hot water is supplied, the situation that hot water is splashed is avoided, the water supplementing interval partition plate is arranged in the heating water tank, the bottom space of the hot water tank is divided into two areas, and the water supplementing interval partition plate is arranged in the water supplementing area partition plate. Cold water replenished into the hot water tank is fully mixed, fully buffered and then enters a water supply area, large impact on the water temperature is avoided, and the water temperature stability during water outlet is kept.

Description

[Technical field]

[0001] The utility model relates to the technical field of water purification equipment, in particular to the technical field of a direct drinking water dispenser with a stable flow rate and a stable hot water output. [Background technology]

[0002] With the continuous improvement of living standards, people's requirements for drinking water quality and conditions are constantly increasing. There are also various styles of water purifiers and drinking water equipment with different functions on the market to meet the needs of different users. Moreover, with the progress and development of society, the living standards are constantly improving. In various public places, such as companies, hospitals, airports, stations, banks, parks, libraries, and high-speed railways, there are direct drinking water machines. Therefore, whether it is at home, in the office or in public places, the popularity of direct drinking water machines has increased significantly, which has brought great convenience to people's drinking water. The quality of water dispensers on the market is uneven, the heating temperature does not meet the standard, and the water supply efficiency is low, which brings more inconvenience to users. Another more important point is that the water flow rate of the direct drinking water machine is too fast, hot water splashes, and there is a risk of scalding; on the other hand, the hot water flow rate of the direct drinking water machine is too small, the customer takes a long time to receive water, and the experience is poor. If it is in a public place, there may be a problem of queuing for water. In addition, because the water intake and heating are mixed, there will be a problem of unstable hot water temperature when hot water is discharged. [Summary of the invention]

[0003] The utility model aims to solve the problems existing in the existing direct drinking water dispensers. By installing water intake solenoid valves at different water level heights in the hot water tank, it ensures that the water level difference deviation is small when supplying hot water, ensures that the hot water outlet flow rate is stable, and avoids hot water splashing. In addition, a water replenishment interval partition is arranged in the heating water tank to divide the bottom space of the hot water tank into two areas, so that the cold water replenished into the hot water tank is fully mixed and fully buffered before entering the water supply area, thereby avoiding a large impact on the water temperature and maintaining the stability of the water temperature when the water is discharged.

[0004] The steady-flow and steady-temperature direct drinking water machine involved in the utility model comprises a water supply unit, a water tank, a heater and a water level probe, wherein the water supply unit is connected to the water replenishment port of the water tank through a first solenoid valve, and the water tank has a built-in heater and a water level probe, and is characterized in that a second solenoid valve and a third solenoid valve are provided at different water level heights of the water tank, which are respectively connected to the first water outlet and the second water outlet of the water tank, and the second solenoid valve and the third solenoid valve are merged into a hot water intake port; a heater is provided at the bottom of the water tank opposite to the first water outlet and the second water outlet, and a partition plate is provided at the bottom of the water tank.

[0005] The vertical distance between the first water outlet and the first water level probe at the top of the water tank is H1, the vertical distance between the second water outlet and the first water outlet is H2, and H1 is equal to H2.

[0006] The height of the partition plate is consistent with the height of the position where the third solenoid valve is located.

[0007] A water dividing baffle is arranged at the bottom of the heater.

[0008] A thermometer is provided near the heater.

[0009] The thermometer is an NTC probe.

[0010] The water level probe includes three probes with different water level heights, namely a first water level probe, a second water level probe and a third water level probe. The first water level probe is set at the top of the water tank to limit the maximum water level, the second water level probe is set at a position equal to the first water outlet, and the third water level probe is set at a position 1 cm above the heater.

[0011] The water supply unit includes a reverse osmosis unit and a pressure barrel water storage unit.

[0012] The warm-flow steady-temperature direct drinking water machine involved in the utility model installs water intake solenoid valves at different water level heights in the hot water tank to ensure that the water level difference deviation is not large when supplying hot water, ensure that the hot water outlet flow rate is stable, and avoid hot water splashing. In addition, a water replenishment interval partition is arranged in the heating water tank to divide the bottom space of the hot water tank into two areas, so that the cold water added into the hot water tank is fully mixed and fully buffered before entering the water supply area, thereby avoiding a large impact on the water temperature and maintaining the stability of the water temperature when the water is discharged.

Brief Description of the Drawings

[0013] Figure 1 It is a schematic diagram of a steady-flow and steady-temperature direct drinking water machine involved in the utility model;

[0014] Wherein: 10, water supply unit; 11, first solenoid valve; 12, second solenoid valve; 13, third solenoid valve; 15, reverse osmosis unit; 16, pressure barrel water storage unit;

[0015] 20. Water tank; 21. Water supply port; 22. First water outlet; 23. Second water outlet; 24. Separator;

[0016] A. Water replenishment area; B. Water discharge area;

[0017] 30. Heater; 31. NTC probe; 32. Water dividing baffle;

[0018] 40. Hot water intake;

[0019] 51. First water level probe; 52. Second water level probe; 53. Second water level probe; 53. Third water level probe. [Specific implementation method]

[0020] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments, examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0021] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0022] Please refer to the attached Figure 1 , which shows a steady-flow and steady-temperature direct drinking water machine, including a water supply unit 10, a water tank 20, a heater 30 and a water level probe, wherein the water supply unit 10 is connected to the water replenishment port 21 of the water tank 20 through a first solenoid valve 11, and the water tank 20 has a built-in heater 30 and a water level probe, characterized in that a second solenoid valve 12 and a third solenoid valve 13 are provided at different water level heights of the water tank 20, respectively connecting the first water outlet 22 and the second water outlet 23 of the water tank 20, and the second solenoid valve 12 and the third solenoid valve 13 merge into a hot water intake port 40; a heater 30 is provided at the bottom of the water tank 20 opposite to the first water outlet 22 and the second water outlet 23, and a partition plate 24 is provided at the bottom of the water tank 20. The partition plate 24 divides the bottom layer of the hot water tank 20 into two areas, one is the water replenishment area A, and the other is the water discharge area B. In this way, the cold water replenished into the hot water tank 20 can be fully mixed in the water replenishment area A, fully heated and buffered, and then enter the water discharge area B, ensuring that the water temperature of the hot water outlet is stable.

[0023] A first water outlet 22 and a second water outlet 23 are respectively arranged at different water level heights of the water tank 20, and then a second solenoid valve 12 is arranged at the first water outlet 22, and a third solenoid valve 13 is arranged at the second water outlet 23, to ensure that no matter whether the second solenoid valve 12 or the third solenoid valve 13 is opened to release water, the water level difference is uniformly within a smaller range. In order to achieve this effect, a method is adopted: the vertical distance between the first water outlet and the first water level probe at the top of the water tank is H1, and the vertical distance between the second water outlet and the first water outlet is H2, and H1 is equal to H2.

[0024] A water dividing baffle 32 is provided at the bottom of the heater 30 , and a thermometer is provided near the heater 30 , and the thermometer is an NTC probe 31 .

[0025] The water dividing baffle 32 plays a water blocking role when cold water is added, so that the added cold water slowly flows to both sides, is fully turbulently mixed in the water replenishment area A, and is then heated by the heater 30, so as to prevent the cold water from directly rushing into the vicinity of the heater 30 and the NTC probe 31, affecting the temperature collection of the NTC probe 31 and causing temperature distortion.

[0026] The water level probe includes three probes with different water level heights, namely a first water level probe 51, a second water level probe 52 and a third water level probe 53. The first water level probe 51 is set at the top of the water tank to limit the maximum water level, the second water level probe 52 is set at a high position equal to the first water outlet 22, and the third water level probe 53 is set at a position 1 cm above the heater 30.

[0027] The water supply unit 10 includes a reverse osmosis unit 15 and a pressure tank water storage unit 16 .

[0028] Working process: when the water is fully stored and heated and hot water is released for the first time, the second solenoid valve 12 is opened immediately and the third solenoid valve 13 is closed. Hot water is supplied using the water level difference range of H1, and the water level slowly drops. When the water level drops to the position of the second water level probe 52, the second solenoid valve 12 is closed and the third solenoid valve 13 is opened. Hot water is supplied using the water level difference range of H2. The water level difference of H1 is equal to the water level difference of H2, ensuring a stable flow rate of hot water.

[0029] Water inlet process: The tap water inlet enters the reverse osmosis unit 15, the tap water is filtered into direct drinking water, and stored in the pressure barrel water storage unit 16. When the third water level probe 53 senses that there is no water in the water tank, it will send an electric control signal, and the electric control program will open the first solenoid valve 11, and the direct drinking water will enter the water tank 20 through the water replenishment port 21 connected to the first solenoid valve 11, until the first water level probe 51 senses that there is water, the first solenoid valve 11 is closed, the heater 30 starts to work, the NTC probe 31 senses the water temperature, the water temperature rises until it reaches 98°C, the first solenoid valve 11 is opened, the water level rises, and the water temperature drops due to the replenishment of purified water at room temperature. The NTC probe 31 The water temperature is sensed to drop to 95°C, the first solenoid valve 11 is closed, the heater 30 keeps heating, the NTC probe 31 senses the water temperature, the water temperature rises until it reaches 98°C, the first solenoid valve 11 is opened again, the water level rises, the water temperature drops due to the addition of purified water at room temperature, the NTC probe 31 senses the water temperature and drops to 95°C, the process is repeated until the first water level probe 51 detects water, indicating that the water tank is full of water, an electric control signal is sent to control the first solenoid valve 11 to close, heating to 98°C, stopping heating and entering the insulation state: heating starts after it drops below 95°C until it is heated to 98°C again, entering the insulation state again, and repeating the process.

[0030] The height of the partition plate 24 is consistent with the height of the position of the third solenoid valve, ensuring water replenishment during the water discharge process. The replenished water first passes through the water replenishment area A and then passes through the water discharge area B.

[0031] The warm-flow steady-temperature direct drinking water machine involved in the utility model installs water intake solenoid valves at different water level heights in the hot water tank to ensure that the water level difference deviation is not large when supplying hot water, ensure that the hot water outlet flow rate is stable, and avoid hot water splashing. In addition, a water replenishment interval partition is arranged in the heating water tank to divide the bottom space of the hot water tank into two areas, so that the cold water added into the hot water tank is fully mixed and fully buffered before entering the water supply area, thereby avoiding a large impact on the water temperature and maintaining the stability of the water temperature when the water is discharged.

[0032] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiments according to the technology of the utility model, which does not depart from the content of the technical solution of the utility model, belongs to the scope of the technical solution of the utility model.

Claims

1. A steady-flow and steady-temperature direct drinking water machine, comprising a water supply unit, a water tank, a heater and a water level probe, wherein the water supply unit is connected to the water supply port of the water tank through a first solenoid valve, and the water tank has a built-in heater and a water level probe, characterized in that: A second solenoid valve and a third solenoid valve are provided at different water level heights of the water tank, which are respectively connected to the first water outlet and the second water outlet at different water level heights of the water tank, and the second solenoid valve and the third solenoid valve converge at the hot water intake; a heater is provided at the bottom of the water tank opposite the first water outlet and the second water outlet, and a partition plate is provided at the bottom of the water tank.

2. According to the steady-flow and steady-temperature direct drinking water machine of claim 1, it is characterized in that: The vertical distance between the first water outlet and the first water level probe at the top of the water tank is H1, the vertical distance between the second water outlet and the first water outlet is H2, and H1 is equal to H2.

3. According to claim 2, the steady-flow and steady-temperature direct drinking water machine is characterized in that: The height of the partition plate is consistent with the height of the position where the third solenoid valve is located.

4. According to claim 2, the steady-flow and steady-temperature direct drinking water machine is characterized in that: A water dividing baffle is arranged at the bottom of the heater.

5. According to claim 4, the steady-flow and steady-temperature direct drinking water machine is characterized in that: A thermometer is provided near the heater.

6. The steady-flow and steady-temperature direct drinking water machine according to claim 5, characterized in that: The thermometer is an NTC probe.

7. The steady-flow and steady-temperature direct drinking water machine according to claim 1, characterized in that: The water level probe includes three probes with different water level heights, namely a first water level probe, a second water level probe and a third water level probe. The first water level probe is set at the top of the water tank to limit the maximum water level, the second water level probe is set at a position equal to the first water outlet, and the third water level probe is set at a position 1 cm above the heater.

8. The steady-flow and steady-temperature direct drinking water machine according to claim 1, characterized in that: The water supply unit includes a reverse osmosis unit and a pressure barrel water storage unit.

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