CN102578906A - electric hot water bottle - Google Patents

Abstract

The invention relates to the technical field of electric water boilers, in particular to an electric water bottle for supplying drinking boiled water in common families, offices and other similar occasions, which comprises a bottle body, a bottle cap, a water outlet device and a control device, wherein the bottle body comprises an outer shell and an inner container arranged in the outer shell, a heating element with a cavity for containing water is arranged between the inner container and the outer shell, the heating element is provided with a water inlet and a water outlet, the water inlet is communicated with a water delivery device for delivering the water in the inner container to the heating element, and the water outlet is respectively communicated with the water outlet device through a water outlet control part and a circulating return pipeline for returning the water in the heating element to the inner container through a circulating control part. The invention can only heat up and heat a small volume of water, saves time and electricity, and avoids the problem of water quality deterioration caused by boiling water in the inner container for many times.

Description

electric hot water bottle

technical field

The present invention relates to the technical field of electric water boilers, in particular to an electric water bottle for supplying drinking water in ordinary homes, offices and similar occasions.

Background technique

Electric hot water bottle is widely used in homes and offices. It is a household appliance that can boil water and has a heat preservation function. It can supply hot water at any time and is easy to use. However, the ordinary electric thermos currently on the market can only provide hot water at the real-time temperature inside the bottle tank, and cannot meet the needs of making milk powder (50-60°C), making tea (80-90°C), and making instant noodles (90-90°C) at the same time in a short period of time. 95°C) and other different water temperature requirements, and such requirements are common in homes, offices or similar occasions with a large population. In this case, people often can only adjust the heat preservation temperature of the electric thermos to a higher setting position, so that all the water in the bottle can be heated to a higher temperature, and then make tea, instant noodles, etc., which consumes time and electricity. . At the same time, repeated heating will cause the water quality to deteriorate, and drinking such water for a long time is not conducive to health.

Contents of the invention

The technical problem solved by the invention is to overcome the deficiencies of the prior art and provide an electric thermos that saves time and electricity and can prevent the water quality in the bottle from deteriorating due to repeated heating.

In order to solve the problems of the technologies described above, the technical scheme adopted in the present invention is as follows:

An electric thermos, comprising a bottle body, a bottle cap, a water outlet device and a control device, the bottle body includes an outer shell and an inner tank placed in the outer shell, the inner tank is sealed by the bottle cap, and the inner tank and the outer shell A heating element with a chamber for containing water is arranged between them, and the heating element is provided with a water inlet and a water outlet, and the water inlet communicates with a water delivery device that delivers the water in the inner tank to the heating element, and the water outlet The water outlet control part communicates with the water outlet device respectively, and the circulation control part communicates with the circulation return pipeline that returns the water in the heating element to the inner tank; the heating element, the water outlet control part and the circulation control part are respectively connected with the control device electrically connect. The electric hot water bottle of the present invention, through the specially designed heating element, can realize the purpose of circularly heating the raw water in the inner tank and a small amount of heated hot water at the same time. Demand temperature rise water function. In this way, after the raw water in the inner tank has been heated and entered the heat preservation state, if you need to drink hot water at a higher temperature, you only need to send a small amount of hot water to the heating element for secondary heating and release. In the technology, an electric thermos that heats all the water in the inner tank as a whole is required, which saves time and electricity. And because a certain amount of water for drinking is heated and released when drinking is needed, so the water in the inner tank will not be heated repeatedly, avoiding the water quality degradation caused by repeated heating of the water in the inner tank in the prior art problems, to ensure the health of drinking water.

Preferably, there are two water outlets, including an external water outlet connected to the water outlet device and a circulation water outlet connected to the circulation return pipeline, and both the water outlet control component and the circulation control component are solenoid valves.

Of course, the water outlet can also be one, and the water outlet control part and the circulation control part are the same part. Solenoid valve on outlet. The other consists of a three-way solenoid valve.

Preferably, the water delivery device includes a water delivery pipeline and a water pump arranged on the water delivery pipeline, and the water delivery pipeline communicates with the bottom of the inner container.

Preferably, the control device includes: a water boiling control module for heating the water in the inner tank to hot water at a first set temperature, and a water outlet control module for controlling the flow of hot water from the water outlet device, for turning the inner tank A heating control module that heats a certain amount of hot water to the second set temperature. The boiling water control module is electrically connected to the heating element, the water pump and the circulation control part, the water outlet control module is electrically connected to the water pump and the water outlet control part, and the temperature rise control module is electrically connected to the heating element, the water pump and the water outlet control part. The water outlet control part and the circulation control part are in an interlocking relationship. Through the ingenious design of a plurality of control modules, when using the present invention, only pressing the button on the control panel can obtain various hot water with different set temperatures to meet different drinking demands.

Preferably, the water outlet device includes a water outlet provided on the casing and a water outlet pipeline connecting the water outlet and the water outlet of the heating element.

Preferably, a gas-liquid separation mechanism is provided on the water outlet pipeline. The setting of the gas-liquid separation mechanism can timely discharge the water vapor generated during the heating process, and at the same time remove the chlorine gas and its compounds dissolved in the tap water purification to the greatest extent.

Preferably, the heating element is an electric heating pot or an electric heating body with a water pipe.

Preferably, the inner container is a glass inner container. Glass is a material with low cost, high chemical stability, and good thermal insulation effect. It is recognized as a green and environmentally friendly material. The glass liner can not only play a good heat preservation effect, but also meet the requirements of environmental protection, and at the same time greatly save the product cost.

Preferably, the bottom of the inner container is provided with a magnetic field water level sensor to prevent the inner container from burning dry. When the water level in the inner tank is lower than the minimum water level, the magnetic field water level sensor will send a water level signal to the control device to stop the heating action, which can effectively prevent the machine from drying out.

Preferably, a backup power source is provided inside the electric thermos, and the backup power source is a battery or a supercapacitor. When there is a power outage or where it is inconvenient to connect to the power supply, it can temporarily provide electric energy for the electric thermos to release boiled water for drinking.

Compared with the prior art, the beneficial effect of the technical solution of the present invention is: the electric thermos of the present invention, through the specially designed heating element, can simultaneously realize the purpose of circularly heating the raw water in the inner tank and a small amount of heated hot water , combining the existing heating function of boiling water and the unique function of heating and discharging water according to the demand of the present invention. In this way, after the raw water in the inner tank has been boiled and kept in the heat preservation state for a period of time, if you need to drink hot water at a higher temperature, you only need to send a small amount of hot water to the heating element for secondary heating and release. In the prior art, it is necessary to integrally heat the electric thermos of all the water in the inner tank, which saves time and electricity. Moreover, when drinking is required, only a certain amount of drinking water is heated and released, so the water in the inner tank will not be heated repeatedly, avoiding the water quality degradation caused by repeated heating of the water in the inner tank in the prior art problems, to ensure the health of drinking water. In addition, the present invention realizes automatic control through the control device, and can obtain hot water of different temperatures through heating to meet various drinking demands.

Description of drawings

Fig. 1 is the structural representation of electric thermos bottle of the present invention;

Fig. 2 is a structural schematic diagram of a heating element of a structure of the present invention;

Fig. 3 is a partial exploded structure schematic diagram of the electric thermos with the heating element in Fig. 2 according to the present invention;

Fig. 4 is a structural schematic diagram of another structure of the heating element of the present invention.

Detailed ways

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Example 1

As shown in Figure 1 is a schematic structural view of the electric thermos of the present invention, including a bottle body, a bottle cap 11, a control device (not shown in the figure) for controlling the operation of the electric thermos, and a water outlet device 3 for supplying water to users, The bottle body includes a shell 2 and a glass liner 4 placed in the shell 2 , the bottle mouth of the glass liner 4 is sealed by a bottle cap 11 . A heating element 1 with a chamber for accommodating water is arranged above the glass liner 4, and a water delivery device 5 and a water delivery device 5 for delivering the water of the glass liner 4 to the heating element 1 are arranged between the glass liner 4 and the heating element 1. The water in the heating element is returned to the circulating return line 9 in the glass inner container 4 . The water outlet device 3 is also in communication with the heating element 1 . The circulation return pipeline is connected to the heating element through a circulation control component, and the water outlet device 3 is communicated with the heating element 1 through a water outlet control component. In order to ensure that the water in the heating element can smoothly return to the inner container through the circulation return line 9, the lowest point in the chamber of the heating element 1 should be higher than the highest water level line of the glass inner container 4. Of course, the heating element can also be arranged at any other position between the glass inner container and the outer shell, but this will increase the overall volume of the device, and is also not conducive to the backflow of water in the heating element chamber.

For better heat preservation, in addition to adopting a double-layer bottle structure, the present invention also wraps the outside of the glass liner 4 with a thermal insulation layer 8, and the thermal insulation layer 8 is separated from the glass liner by a distance of no more than 25 mm. The glass liner 4 of the present invention can be a round or square narrow-mouth bottle, preferably heat-resistant borosilicate glass. The heating element 1 is located above the shoulder of the glass liner 4 . For better heat preservation, seal with soft sealing ring or fill silicon grease between the bottle cap 11 of glass liner bottle mouth and electric thermos. The inner surface of the glass liner 4 is smooth, and the outer surface can be electroplated or sprayed with a heat-insulating and aesthetically pleasing coating. The bottom of the glass liner 4 is provided with a water level sensor 7 and an inner tank water temperature sensor 6 , and the water level sensor 7 is preferably a magnetic field water level sensor 7 .

The water outlet device 4 includes a water outlet 4-1 arranged on the casing 1 and a water outlet pipeline 4-3 connecting the water outlet 4-1 and the heating element. A gas-liquid separation mechanism is provided on the water outlet pipeline 4-3. The water outlet pipeline communicates with the heating element 1 through a water outlet control component. In this embodiment, both the circulation control component and the water outlet control component are solenoid valves, which are referred to as the first solenoid valve 21 and the second solenoid valve 22 respectively.

The water delivery device 5 includes a water delivery pipeline 5-1 and a water pump 5-2 located on the water delivery pipeline, and the water delivery pipeline communicates with the bottom of the glass liner 4 . The water pump is an electric pump with long working life, preferably a centrifugal pump.

The heating element of the present invention has two different structures, which can be an electric heating pot or an electric heating body with a water pipe.

As shown in FIG. 2 , it is a schematic diagram of the decomposition structure of the electric heating pot. There is a pot body 1A-2, the pot body 1A-2 is a ring structure with an open bottom, and a ring-shaped heating plate 1A-4 is installed at the bottom of the pot body, serving as the bottom surface of the pot body 1A-2. The inner edge and the outer edge of the heating plate 1A-4 are in close contact with the pot body 1A-2 to form an annular chamber containing water, and the volume of the chamber is greater than or equal to 100ml. A heating tube 1A-7 is arranged at the bottom of the heating plate 1A-4, and the heating tube 1A-7 is fixed to the bottom of the heating plate through a compression ring 1A-8. In order to achieve a good seal between the heating plate and the pot body, sealing rings 1A-3 are provided at the internal and external contact positions of the heating plate and the pot body. The pot body is provided with a water inlet 1A-5, a circulating water outlet 1A-9 and an external water outlet 1A-10; the water inlet 1A-5 communicates with the water delivery pipeline 5-1, and the circulating water outlet 1A-9 passes through the first solenoid valve 21 It communicates with the circulation return pipeline 9; the external water outlet 1A-10 communicates with the water outlet pipeline 3-1 through the second solenoid valve 22. A pot body water temperature sensor 1A-1 is provided on the outer surface of the pot body, and the temperature of the heated water is controlled by the pot body water temperature sensor 1A-1. The bottom of the heating plate 1A-4 is provided with a thermostat 1A-6 to prevent the heating tube from burning dry. The flow of water in the electric kettle is shown by the arrow in Figure 2. As shown in FIG. 3 , it is a schematic diagram of a partial decomposition structure of an electric thermos with an electric heater structure according to the present invention.

As shown in Figure 4, it is a schematic diagram of the decomposition structure of an electric heating body with a water pipe, including a bracket 1B-4 and an electric heating pipe 1B-2 with a water pipe in the bracket, and the electric heating pipe 1B-2 passes through the compression piece 1B -1 and support piece 1B-3 are fixed in the bracket. The two parallel water pipes are connected. In order to better illustrate the flow of water, Fig. 4 shows the state of the water pipes being cut open. The electric heating tube 1B-2 is provided with an electric heating tube temperature sensor 1B-5 and a temperature controller 1B-6 to prevent the electric heating tube 1B-2 from burning dry. A chamber for containing water is formed in the water pipe of the electric heating tube 1B-2, and the diameter of the water pipe is greater than or equal to 4mm. The electric heating tube is provided with a water inlet 1B-7 and a water outlet 1B-8; the water inlet 1B-7 is connected with the water delivery pipeline 5-1, and the water inlet is provided with an electric heating tube water temperature sensor 1B-9. A three-way valve is connected to the water outlet IB-8, one of the outlets of the three-way valve (that is, the circulating water outlet) communicates with the circulating return pipeline 9 through the first solenoid valve 21; the other outlet (that is, the external water outlet) is connected through the second solenoid valve. The valve 22 communicates with the water outlet pipeline 3-1. Of course, a three-way solenoid valve can also be directly used to connect the water outlet pipeline 3-1 and the circulation return pipeline respectively. However, the cost of the three-way solenoid valve is relatively high, so it is not a preferred solution. The flow of water in the electric heating body is shown by the arrow in Figure 4. The electric hot water bottle realizes the preheating function of the electric heating pipe 1B-2 by detecting the temperature of the electric heating pipe temperature sensor 1B-5. After the preheating is completed, the water pump 5-2 is controlled to pump the water in the glass liner to the electric heating pipe 1B-2. The electric heating tube 1B-2 is heated synchronously, and the electric heating tube water temperature sensor 1B-9 senses the water inlet temperature in real time, controls the power of the electric heating tube, and realizes the function of continuously outputting high-temperature water.

The control device of the present invention includes: a water boiling control module for heating the raw water in the glass liner 4 to hot water at a first set temperature to control the water outlet control module for hot water to flow out of the water outlet device 3, for turning the glass A heating control module that heats a certain amount of hot water in the inner tank 4 to the second set temperature. The first set temperature is usually 99-100°C, which is the temperature at which water boils, and the second set temperature can be set in a variety of different ways according to drinking needs, by controlling the power of the heating element, water output, water flow rate and other parameters , you can get hot water at different temperatures. The water boiling control module is electrically connected to the heating element 1, the water pump 5-2 and the first electromagnetic valve 21, the water outlet control module is electrically connected to the water pump 5-2 and the second electromagnetic valve 22, and the temperature rise control module is electrically connected to the heating element 1, the water pump 5- 2 and the second solenoid valve 22 are electrically connected. The first electromagnetic valve 21 and the second electromagnetic valve 22 are in an interlocking relationship, that is, when one of them is opened, the other is in a closed state.

Can also be provided with standby power supply in the electric thermos bottle as required, can provide electric energy temporarily for the electric thermos bottle when power outage or the place that is inconvenient to connect power supply and release boiled water for drinking. Preferably batteries or supercapacitors are used.

The working principle of the present invention is: open bottle cap 11, add a certain amount of water (can directly adopt tap water as water source) in glass liner 4. Turn on the power supply, the water boiling control module of the control device controls the water pump 5-2 to pump the water in the glass liner 4 into the chamber of the heating element 1, and the water in the heating element 1 flows through the circulating return line 9 after being heated. Returning to the inner tank, the circulation flow direction of water is shown by the arrows in Figure 1 and Figure 3 . Such cyclical heating until the inner tank water temperature sensor 6 detects that the water in the glass inner tank 4 is all warmed up to the first set temperature, that is, boiling state, and reaches the drinking condition. At this time, the heating element 1 stops heating, and the water in the heating element 1 chamber automatically flows back into the glass liner, so that the heating element chamber remains in an anhydrous state, which can significantly reduce the problem of scaling or bacteria breeding in the heating element chamber. At this time, the electric thermos bottle enters the heat preservation state. When it is necessary to directly drink the water in the glass liner 4, the user operates the control panel on the electric water bottle, and the water outlet control module controls to open the second solenoid valve 22 and the water pump 5-2, and the water outlet pipeline 3-1 and the outlet of the heating element The water ports are connected so that hot boiled water flows out from the water outlet 3-2 to meet the user's drinking needs. The direction of water flow is shown in FIG. 3 . When the water outlet pipeline is opened, the first solenoid valve 21 on the circulation return pipeline 9 is in a closed state, so as to prevent water from directly flowing back into the glass inner container from the circulation water outlet. Of course, another water outlet channel (not shown in the figure) can also be directly installed. The water outlet channel has an independent water pump. Those who drink it, but this solution will cause the overall volume of the electric thermos to become larger and the internal pipeline is complicated, so it is not a preferred solution. When it is necessary to heat up and heat the water, the temperature rise control module is turned on through the control panel, the second solenoid valve 22 and the water pump 5-2 are controlled to open, the first solenoid valve 21 of the circulation return line is closed, and the heating element 1 is turned on at the same time for heating, and the water pump 5-2 The warm boiled water pumped up is heated up to the second set temperature through the inner cavity of the heating element 1, and flows out from the water outlet 3-2 through the water outlet pipeline 3-1.

The magnetic field water level sensor 7 at the bottom of the inner container can sense the water quantity in the inner container at any time. When the water level is lower than the minimum water level, the electric thermos can not be heated. In addition, when the inner tank water temperature sensor 6 detects that the water temperature in the glass inner tank drops below the set heat preservation temperature, the heating element 1 is re-opened to carry out a new cycle heating process for the water in the glass inner tank 4 until Reach the set heat preservation temperature, and so on.

The above-mentioned embodiment is a preferred embodiment of the present invention, but is not limited to the above-mentioned embodiment, and any other changes, modifications, substitutions, combinations or simplifications that do not deviate from the spirit and principles of the present invention are equal to effective replacement, and fall within the protection scope of the present invention.

Claims (12)

1. electric hot water bottle; Comprise bottle, bottle cap (11), discharging device (3) and control device, said bottle comprises shell (2) and places the inner bag (4) in the shell that said inner bag is airtight through bottle cap; It is characterized in that; Between said inner bag and shell, be provided with the heating element heater (1) that has the chamber that holds water, said heating element heater (1) be provided with water inlet (1A-5,1B-7) and delivery port (1A-9; 1A-10; 1B-8), said water inlet is communicated with the water delivery device (5) that the water with inner bag is delivered to heating element heater (1), and said delivery port is communicated with discharging device, is communicated with the circulating reflux pipeline (9) that the water in the heating element heater is back in the inner bag (4) through the loop control parts through the water outlet control assembly respectively; Said heating element heater, water outlet control assembly and loop control parts are electrically connected with control device respectively.

2. electric hot water bottle according to claim 1 is characterized in that, said delivery port is one, and said water outlet control assembly and loop control parts are same parts, comprises triple valve and two magnetic valves that are connected to respectively in two outlets of triple valve.

3. electric hot water bottle according to claim 1 is characterized in that, said delivery port is one, and said water outlet control assembly and loop control parts are same parts, is made up of a three-way magnetic valve.

4. electric hot water bottle according to claim 1; It is characterized in that; Said delivery port is two, comprises out outlet that is communicated to discharging device respectively and the circulating outlet that is communicated to the circulating reflux pipeline, and said water outlet control assembly and loop control parts all are magnetic valves.

5. electric hot water bottle according to claim 1 is characterized in that, said water delivery device (5) comprises hydraulic pipeline (5-1) and be located at the water pump (5-2) on the hydraulic pipeline that hydraulic pipeline is communicated with the inner bag bottom.

6. electric hot water bottle according to claim 5 is characterized in that, said control device comprises:

Be used for the water in the inner bag is heated to the water boiling control control module of the hot water of first design temperature,

The water outlet control module that control hot water flows out from discharging device (3),

Be used for a certain amount of hot water in the inner bag is heated to the intensification control module of second design temperature;

Said water boiling control control module is electrically connected with heating element heater, water pump and loop control parts; Said water outlet control module is electrically connected with water pump and water outlet control assembly; Said intensification control module is electrically connected with heating element heater, water pump and water outlet control assembly, and said water outlet control assembly and loop control parts are interlocked relationship.

7. electric hot water bottle according to claim 1 is characterized in that, said discharging device (4) comprises faucet of being located on the shell (1) (4-1) and the outlet pipeline (4-3) that is communicated with faucet (4-1) and heating element heater delivery port.

8. electric hot water bottle according to claim 7 is characterized in that, on outlet pipeline (4-3), is provided with gas-liquid separation mechanism.

9. according to the arbitrary described electric hot water bottle of claim 1-8, it is characterized in that said heating element heater is electric heating cooker or the electric heating element that has water pipe.

10. according to the arbitrary described electric hot water bottle of claim 1-8, it is characterized in that said inner bag is a glass inner bag.

11. electric hot water bottle according to claim 1 is characterized in that, the bottom of said inner bag is provided with the magnetic field water level sensor that prevents the inner bag dry combustion method.

12. electric hot water bottle according to claim 1 is characterized in that, is provided with stand-by power supply in the said electric hot water bottle, said stand-by power supply is battery or super capacitor.

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