CN109990452A - A step-by-step instant hot water boiler - Google Patents

Abstract

The invention discloses a step-by-step instant water heater, comprising a water tank, a step-by-step hot water storage tank, an instant heater and a water outlet faucet. The water inlet of the water tank is provided with a water inlet control valve. The water outlet is connected with the water inlet of the step-by-step hot water storage tank through pipes, the water outlet of the step-by-step hot water storage tank is connected with the water inlet of the instant heater through pipes, and the water outlets of the instant heater are respectively connected Boiling water outlet control valve, step heating control valve. The step-by-step heating method is to use the instant heater to preheat the water in the step-by-step hot water storage tank. When the boiling water is discharged, the preheated water in the hot water storage tank enters the instant heater to increase the output of the boiling water. , cleverly combines the advantages of the volumetric water boiler and the instant water boiler, avoids the shortcomings, reduces energy consumption compared with the existing technology, eliminates the situation of thousands of boiling water, and at the same time can ensure a large amount of boiled water and a good user experience.

Description

A step-by-step instant hot water boiler

technical field

The invention relates to a water boiling device, in particular to a step-by-step instant hot water boiling device.

Background technique

At present, various drinking water heating devices such as water boilers, water dispensers, direct drinking machines, pipeline machines, etc., adopt the heating system, one is the traditional water tank volumetric water storage heating method; the other is the step-controlled volumetric water storage heating method The third is the instant heating method.

The volumetric water storage heating method needs to maintain the water temperature of the water tank in a boiling state for a long time, resulting in frequent heating, which is called thousands of boiling water. First, the water quality is unhealthy; The high-temperature and high-humidity water vapor enters the machine, causing the machine structural parts to corrode, and the failure rate of the electronic control system is high.

The instant heating method can be used for drinking and heating once, which is healthy and energy-saving. However, heating the water temperature directly from the ambient water temperature to the boiling state requires strong electrical power support, resulting in insufficient wire capacity in many usage scenarios, which cannot provide strong heating power. At present, home and general office The heating power commonly used in places is limited to about 2000W, which leads to a small amount of boiled water per unit time, only about 350-400ml of boiled water per minute. The use experience is very poor, and the water output in winter is even smaller.

In the actual use of water boiler products, the volumetric water boiler has a large water output per unit time, which is stable but the water quality is not healthy enough and wastes electricity. Poor user experience, etc.

SUMMARY OF THE INVENTION

In view of the current situation of the above-mentioned prior art, the technical problem to be solved by the present invention is to provide a technical solution of a step-by-step instant hot water boiler that is healthy, energy-saving and meets daily use.

The technical solution adopted by the present invention to solve the above technical problems is: a step-by-step instant hot water boiler, comprising a water tank, a step-by-step hot water storage tank, an instant heater and a water outlet faucet, and the water inlet of the water tank is provided with an inlet Water control valve, the water outlet of the water tank is connected with the water inlet of the step-by-step hot water storage tank through a pipeline, and the water outlet of the step-by-step hot water storage tank is connected with the water inlet of the instant heater through a pipeline, the said The water outlet of the instant heater is connected with a main water outlet pipe, the end of the main water outlet pipe is divided into a first water outlet pipe and a second water outlet pipe, and the first water outlet pipe is connected to the water inlet of the step-by-step hot water storage tank, so the The second water outlet pipe is connected to the outlet faucet, the first water outlet pipe is provided with a step-by-step heating control valve, the second water outlet pipe is provided with a boiling water outlet valve, and the water tank and the step-by-step hot water storage tank are provided. There is a water tank outlet valve, an inlet pump is arranged on the water inlet pipeline of the instant heater, and a heating device is arranged in the instant heater.

Further, the second water outlet pipe is provided with two branches, which are a first branch pipe and a second branch pipe respectively, a heat exchanger is arranged between the water tank and the step-by-step hot water storage tank, and the first branch pipe is connected to the heat exchange. The hot water inlet of the heat exchanger, the second branch pipe is connected to the outlet faucet, the warm water outlet of the heat exchanger is connected to the outlet faucet, the first branch pipe is provided with a warm water control valve, and the boiling water outlet valve is arranged on the second on the branch.

Further, a warm water outlet pump is arranged between the heat exchanger and the outlet faucet.

Further, the step-by-step hot water storage tank is provided with a hot water temperature sensor.

Further, the instant heater water outlet is provided with an instant hot water temperature sensor.

The beneficial effects of the present invention are: adopting the structure of one hot water storage tank, that is, a hot water storage tank heated by steps, using the water boiler to store heat before use and use interval time, and increase the flow rate when the boiled water is discharged.

Preheating stage of the machine: fill the hot water storage tank and the instant heater with water through the water inlet pump, the heating device works, the water temperature in the instant heater rises (the highest is less than the boiling point), close the water outlet valve of the water tank, and open the step-by-step heating The control valve, the water inlet pump, that is, the water in the thermal heater passes through the step-by-step heating control valve, the inlet pump, and the step-by-step hot water storage tank to circulate until the water temperature in the step-by-step hot water storage tank reaches the set value, that is, the thermal heating The heater device, the step-by-step heating control valve, and the inlet water pump stop working to complete the pre-heating.

In the normal operation stage of the machine: the water outlet valve of the water tank is opened, the inlet water pump is opened, and the warm water that has been preheated in the step-by-step hot water storage tank enters the instant heater, and is heated to boiling for people to drink. Compared with direct heating of cold water, the same heater power Under its boiling water output will be greatly increased.

When the drinking water is finished, the boiling water outlet valve is closed, and the system automatically detects the water temperature in the step-by-step hot water storage tank. When the water temperature is low and the set temperature, that is, the thermal heater continues to work, the water outlet valve of the water tank is closed, and the step-by-step heating control valve Turn on, the water inlet pump continues to work, that is, the hot water in the thermal heater enters the step-by-step hot water storage tank, and the water temperature in the step-by-step hot water storage tank is quickly heated to the set state by circulating heating and then stops working.

Since the water boilers supply water intermittently in actual use, they work intermittently. By setting the volume of the step-by-step hot water storage tank with the corresponding capacity according to the different usage scenarios, a good user experience can be obtained.

The step-by-step heating method only heats the water in the step-by-step hot water storage tank to the range of 30-60 degrees. At the same time, due to the fast heating speed, the volume of the step-by-step hot water storage tank to be set is very small, only 1-5L is basically It can meet the needs of use in various scenarios. In this way, the temperature is low and the amount of water is small for heat preservation and standby. The electric energy that needs to be consumed is the same as that of the existing volume heating method and step heating method. High temperature and large capacity continuous heating The thermal insulation is much smaller than that, which can save a lot of electric energy; at the same time, it eliminates the situation of thousands of boiling water, improves the safety of equipment use, and the water quality is healthy.

Description of drawings

1 is a schematic structural diagram of Embodiment 1 of a step-by-step instant water boiler of the present invention;

FIG. 2 is a schematic structural diagram of Embodiment 2 of a step-by-step instant water boiler of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1

As shown in FIG. 1 , the step-by-step instant hot water boiler includes a water tank, a step-by-step hot water storage tank, an instant heat heater and a water outlet faucet. The water inlet of the water tank is provided with a water inlet control valve. The water outlet of the water tank is connected with the water inlet of the step-by-step hot water storage tank through a pipe, and the water outlet of the step-by-step hot water storage tank is connected with the water inlet of the instant heater through a pipe, and the outlet of the instant heater is connected by a pipe. The water outlet is connected with a main water outlet pipe, the end of the main water outlet pipe is divided into a first water outlet pipe and a second water outlet pipe, the first water outlet pipe is connected to the water inlet of the step-by-step hot water storage tank, and the second water outlet pipe is connected to A water outlet faucet, the first water outlet pipe is provided with a step-by-step heating control valve, the second water outlet pipe is provided with a boiling water outlet valve, and a water tank outlet valve is arranged between the water tank and the step-by-step hot water storage tank, so An inlet pump is arranged on the water inlet pipeline of the instant heater, and a heating device is arranged in the instant heater. A hot water temperature sensor is arranged in the step-by-step hot water storage tank. The instant heater water outlet is provided with an instant hot water temperature sensor.

When the machine is working, the water in the water tank enters the step-by-step hot water storage tank and the instantaneous heating body through the water outlet valve and the water inlet pump of the water tank. When the instantaneous heating body is filled with water, the electronic control system detects the water temperature in the step-by-step hot water storage tank. When the water temperature is lower than the design temperature (such as 30-60 degrees), the electronic control system closes the water outlet valve of the water tank, that is, the thermal heating system works, the step-by-step heating control valve is opened, and the inlet water pump works, and the water heated by the thermal heater is at this time. The step-by-step heating control valve and the inlet water pump enter the step-by-step hot water storage tank for circulation. When the water temperature in the step-by-step hot water storage tank reaches the design temperature, the system has completed the first step of heating work, and the system stops heating. The system enters the standby state. When you need to drink boiled water, turn on the water outlet control button, that is, the heating system works. At this time, the water outlet valve of the water tank is opened, the inlet water pump works, and the preheated water in the step-by-step hot water storage tank enters the instant heating heater. It is quickly heated to a boiling state through the boiling water outlet valve and water outlet for drinking; since the water in the step-by-step hot water storage tank has been preheated to a certain temperature, such as 30-60 degrees, the instant heater It is only necessary to heat the hot water in the range of 40-60 degrees to boiling, so that at the same heating power of about 2000W, a large flow of boiling water can be obtained through the water outlet.

When the drinking water is finished, the boiling water outlet valve is closed, and the system automatically detects the water temperature in the step-by-step hot water storage tank. When the water temperature is low and the set temperature, that is, the thermal heater continues to work, the water outlet valve of the water tank is closed, and the step-by-step heating control valve Turn on, the water inlet pump continues to work, that is, the hot water in the thermal heater enters the step-by-step hot water storage tank, and the water temperature in the step-by-step hot water storage tank is quickly heated to the set state by circulating heating and then stops working.

Since the water boilers supply water intermittently in actual use, according to different usage scenarios, setting the volume of the step-by-step hot water storage tank with the corresponding capacity can get a good user experience.

The step-by-step heating method only heats the water in the step-by-step hot water storage tank to the range of 30-60 degrees. At the same time, due to the fast heating speed, the volume of the step-by-step hot water storage tank to be set is very small, only 1-5L is basically It can meet the needs of use. In this way, the temperature is low and the amount of water is small for heat preservation and standby. Compared with the high temperature and large capacity of the existing volume heating method and step heating method, the power consumption is greatly reduced. It can save a lot of electric energy; at the same time, it can eliminate the situation of thousands of boiling water.

Embodiment 2

As shown in FIG. 2 , the difference between this embodiment and Embodiment 1 is that the second water outlet pipe is provided with two branches, namely the first branch pipe and the second branch pipe, and the space between the water tank and the step-by-step hot water storage tank is A heat exchanger is provided, the first branch pipe is connected to the hot water inlet of the heat exchanger, the second branch pipe is connected to the tap, the warm water outlet of the heat exchanger is connected to the tap, and the first branch pipe is provided with Warm boiled water control valve, the boiled water outlet valve is arranged on the second branch pipe. A warm water outlet pump is arranged between the heat exchanger and the outlet faucet.

The water in the water tank enters the inner casing of the heat exchanger through the water outlet valve of the water tank, and then enters the step-by-step hot water storage tank and the instant heater through the heating system inlet pump. When the system detects that the water temperature in the step-by-step hot water storage tank is lower than When the temperature is set, the heating system works, the water outlet valve of the water tank is closed, and the step-by-step heating control valve is opened. After heating, the water enters the step-by-step hot water storage tank through the heating system inlet pump. The water is heated to the set temperature for standby;

When drinking water is needed, the heating system works, the water outlet valve of the water tank is opened, and the inlet pump of the heating system is turned on. At this time, the water in the water tank enters the step-by-step hot water storage tank, and the step-by-step hot water storage tank is preheated to the set temperature. The water enters the instant heater and is quickly heated to boiling, then flows out of the instant heater, and boiled water can be obtained through the boiling water outlet valve and water outlet.

When it is necessary to drink cold boiled water, the heating system works, the water outlet valve of the water tank is opened, and the inlet pump of the heating system starts to work. At this time, the water in the water tank enters the step-by-step hot water storage tank, and the step-by-step hot water storage tank is preheated to the set value. The hot water enters the instant heater and is quickly heated to boiling, and flows out of the instant heater. The cold boiled water control valve is opened, and the boiled water enters the outer casing of the heat exchanger, and exchanges heat with the inlet water in the inner casing. After cooling The cold boiled water can be obtained from the water outlet through the cold boiled water outlet pump. The water entering the water tank obtains heat from the heat exchanger and then enters the step-by-step hot water storage tank. When the cold boiled water is stopped, the system detects the step-by-step hot water storage. Whether the water temperature in the tank meets the set temperature. When the set temperature is reached, the system stops working.

If the water temperature in the step-by-step hot water storage tank is lower than the set temperature after the cold boiled water is taken, the heating system will work, the water outlet valve of the water tank will be closed, the inlet pump of the heating system will work, the step-by-step heating control valve will be opened, and the inlet pump will work, that is, thermal heating The water in the heater enters the step-by-step hot water storage tank through the step-by-step heating control valve and the heating system inlet pump, and through circulating heating, the water temperature in the step-by-step hot water storage tank is heated to the set temperature and then stops heating.

Claims (5)

1. a kind of multiple step format, that is, hot water boiler, which is characterized in that including water tank, substep heat storage water tank, i.e. hot heater and water outlet Faucet, the water inlet of the water tank are equipped with water inlet control valve, and the water outlet of the water tank and the water inlet of substep heat storage water tank are logical Piping is connected, and the water outlet of the multiple step format heat storage water tank is connected with the water inlet of i.e. hot heater by pipeline, described to be The water outlet of hot heater is connected with primary flow pipe, and the primary flow pipe end separates the first outlet pipe and the second outlet pipe, described First outlet pipeline connects the water inlet of substep heat storage water tank, and second outlet pipe connects depotition cock, first water outlet Pipe is equipped with step heating control valve, and second outlet pipe is equipped with boiled water outlet valve, the water tank and substep heat storage water tank Between be equipped with discharge valve of cistern for water-closet, i.e. the inlet pipeline of the hot heater is equipped with intake pump, described to be equipped in hot heater Heating device.

2. a kind of multiple step format, that is, hot water boiler according to claim 1, which is characterized in that second outlet pipe is equipped with two Branch pipe, respectively the first branch pipe and the second branch pipe, between the water tank and substep heat storage water tank be equipped with heat exchanger, described first Branch pipe connects the hot water inlet of heat exchanger, and second branch pipe connects depotition cock, the warm water export connection of the heat exchanger Depotition cock, is equipped with warm water control valve on first branch pipe, and the boiled water outlet valve is set on the second branch pipe.

3. a kind of multiple step format, that is, hot water boiler according to claim 2, which is characterized in that the heat exchanger and the fire hose out Warm water water outlet pump is equipped between head.

4. a kind of multiple step format, that is, hot water boiler according to claim 1, which is characterized in that set in the substep heat storage water tank There is heat accumulation water temperature sensor.

5. a kind of multiple step format, that is, hot water boiler according to claim 1, which is characterized in that i.e. be equipped in the hot heater Hot water temperature sensor.