CN212788268U

CN212788268U - Heating assembly and water dispenser

Info

Publication number: CN212788268U
Application number: CN202020229687.7U
Authority: CN
Inventors: 胡如国; 龙建兵
Original assignee: Wuhu Aldoc Technology Co ltd
Current assignee: Wuhu Aldoc Technology Co ltd
Priority date: 2020-02-29
Filing date: 2020-02-29
Publication date: 2021-03-26
Anticipated expiration: 2030-02-28

Abstract

The utility model discloses a heating assembly and a water dispenser, which comprises a heating pipe, a liquid storage cavity, a pump, a liquid inlet and a liquid outlet, wherein the pump is communicated with the liquid storage cavity, the pump is communicated with the liquid inlet, the heating pipe is provided with a fluid inlet and a fluid outlet, the fluid inlet is positioned at the bottom of the heating pipe, the fluid inlet is communicated with the liquid storage cavity, the fluid outlet is positioned at the top of the heating pipe, and the fluid outlet is communicated with the liquid outlet; the heating component is provided with a liquid level detector, the liquid level detector can detect the liquid level of liquid in the liquid storage cavity, the liquid storage cavity is provided with a first position and a second position, and the vertical height of the fluid outlet position of the heating pipe is less than or equal to that of the first position and is more than or equal to that of the second position; when the liquid level detector detects that the liquid level of the liquid in the liquid storage cavity is lower than a second position, the pump is started; when the liquid level detector detects that the liquid level in the liquid storage cavity is higher than the first position, the pump stops. The utility model discloses a can provide the heating fluid body rapidly and the simple structure of temperature control.

Description

Heating assembly and water dispenser

Technical Field

The utility model belongs to instant heating type electrical heating field.

Background

The heating cavity and the water storage cavity in the water dispenser or the beverage dispenser are the same, the water dispenser or the beverage dispenser is further provided with a temperature sensor, the water dispenser stops heating when the temperature of hot water collected by the temperature sensor reaches a set temperature, the water dispenser further has a reheating function, and if the temperature of liquid in the water storage cavity is lower than the set temperature, the heating function of the machine is started to heat the liquid. In a water dispenser or beverage machine, a temperature sensor is a key temperature control element, and once the temperature sensor is damaged or fails, the machine cannot operate normally.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a heating element and water dispenser that temperature control is simple, safe.

In order to realize the purpose, the following technical scheme is adopted:

the utility model provides a heating element, includes heating pipe, stock solution chamber, pump, inlet, liquid outlet, its characterized in that: the outlet of the pump is communicated with the inlet of the liquid storage cavity, the inlet of the pump is communicated with the liquid inlet, the heating pipe is provided with a fluid inlet and a fluid outlet, the fluid inlet is positioned at the bottom of the heating pipe, the fluid inlet is communicated with the outlet of the liquid storage cavity, the fluid outlet is positioned at the top of the heating pipe, the fluid outlet is communicated with the liquid outlet, and the liquid storage cavity and the heating pipe are connected in series to form a U-shaped flow channel;

the bottom of the liquid storage cavity is lower than the top of the heating pipe, the heating assembly is provided with a liquid level detector, the liquid level detector can detect the liquid level of liquid in the liquid storage cavity, the liquid storage cavity is preset with a first position and a second position, and the vertical height of the fluid outlet position of the heating pipe is smaller than or equal to that of the first position and larger than or equal to that of the second position; when the liquid level detector detects that the liquid level in the liquid storage cavity is lower than the second position, the pump is started, and when the liquid level detector detects that the liquid level in the liquid storage cavity is higher than the first position, the pump is stopped.

A water dispenser comprises the heating assembly according to the technical scheme, the water dispenser comprises an outer shell and a cover body, the cover body and the outer shell are fixedly arranged, and the heating assembly is located in a space closed by the outer shell and the cover body.

According to the technical scheme, the liquid storage cavity is connected with the heating pipe in series to form the U-shaped flow channel, liquid enters the liquid storage cavity and the heating pipe through the liquid inlet, the liquid is heated in the heating pipe, the hydrothermal liquid flows out from the liquid outlet based on the density difference of the hydrothermal liquid and the cold liquid, and due to the fact that the liquid level of the liquid in the liquid storage cavity is controlled through the liquid level detector and the pump, the vertical height of the liquid outlet position of the heating pipe is smaller than or equal to that of the first position and larger than or equal to that of the second position, the set temperature hydrothermal liquid can be provided, and temperature.

Drawings

Fig. 1 is a schematic structural diagram of a heating assembly according to the present invention;

FIG. 2 is a schematic view of a state of the heating assembly of FIG. 1;

FIG. 3 is a schematic structural view of an embodiment of a liquid collection box of the heating assembly of the present invention;

FIG. 4 is a schematic structural view of one embodiment of a partition of the heating assembly of the present invention;

fig. 5 is a schematic structural diagram of an embodiment of the fixing frame and the circuit board of the heating assembly of the present invention;

FIG. 6 is a schematic structural view of another embodiment of a baffle plate of the heating assembly of the present invention;

FIG. 7 is a schematic view of another heating assembly according to the present invention;

fig. 8 is a using state diagram of an embodiment of the water dispenser of the present invention.

Detailed Description

Referring to fig. 1, fig. 1 illustrates a schematic structural diagram of a heating assembly 100, and it should be understood that the schematic structural diagrams of fig. 1 are only for illustration and are not intended to be a complete limitation on the structure of the heating assembly.

Heating element 100 includes heating pipe 11, liquid storage chamber 12, pump 13, inlet 14, liquid outlet 15. The outlet of the pump 13 is communicated with the inlet of the liquid storage cavity 12, the inlet of the pump 13 is communicated with the liquid inlet 14, the heating pipe 11 is of a tubular structure, the heating pipe 11 is internally circulated with pre-heating fluid, the heating pipe 11 is provided with a fluid inlet 111 and a fluid outlet 112, the fluid inlet 111 is positioned at the bottom 11b of the heating pipe 11, the fluid inlet 111 is communicated with the outlet of the liquid storage cavity 12, the fluid outlet 112 is positioned at the top 11a of the heating pipe 11, the fluid outlet 112 is communicated with the liquid outlet 15, and the liquid storage cavity 12 and the heating pipe 11 are connected in series to. The reservoir 12 is located on the fluid outlet 112 side of the heater tube 11, the reservoir 12 is located adjacent the top 11a of the heater tube 11, and the bottom of the reservoir 12 is lower than the top 11a of the heater tube 11. Herein, the communication between the component A and the component B comprises the direct communication between the component A and the component B, and also comprises the communication between the component A and the component B through arranging one or more than two components; herein, the U-shaped flow passage is not limited to a U shape, and includes other U-shaped structures such as a right angle type, a folded angle type, a wave shape, and the like, and the U-shaped flow passage includes a flow passage formed by a single member, for example, a U-shaped pipe and the like; also included are flow passages formed by two or more components, such as a connecting seat disposed below the heating tube 11, a connecting member disposed in the reservoir, and an approximately U-shaped flow passage between the connecting member in the reservoir and the connecting seat below the heating tube.

Heating assembly 100 has a liquid level detector 16, and liquid level detector 16 is capable of detecting a level of liquid in reservoir 12. liquid level detector 16 may be insertable, i.e., at least a portion of liquid level detector 16 extends into reservoir 12. in FIG. 1, only liquid level detector 16 is illustrated as being located in reservoir 12, and in other cases, liquid level detector 16 may also be partially located in the reservoir. The level detector 16 may also be non-protruding into the reservoir 12, for example, attached to a wall of the heating assembly, such as an outer wall of the reservoir 12.

The reservoir 12 has a first position 161 and a second position 162, and the vertical height of the fluid outlet 112 of the heating tube 11 is less than or equal to the vertical height of the first position 161 and greater than or equal to the vertical height of the second position 162, and herein, the vertical height is a height relative to the bottom of the heating assembly or a certain reference object; the pump is started and stopped according to the comparison between the liquid level detected by the liquid level detector and the first position 161 and the second position 162. The first position 161 and the second position 162 are related to the position of the fluid outlet 112 of the heater tube 11, and the liquid in the liquid storage chamber is located at the first position 161 and the second position 162, which can be used to control the temperature of the liquid at the fluid outlet 112 of the heater tube 11, so that the heating assembly provides the set temperature hot liquid.

The height difference between the vertical height of the first position 161 and the vertical height of the fluid outlet 112 of the heating tube 11 is not higher than 10mm, and the height difference between the vertical height of the fluid outlet 112 of the heating tube and the vertical height of the second position 162 is not higher than 10mm, which helps the outlet hot liquid to meet the drinking requirement of the user. The level detector 16 may include a reed switch, a float, a sensor, etc. Herein, not higher than the inclusion of the instant number.

Referring to fig. 1, 2 and 7, different states of an embodiment of the liquid level detector are illustrated in fig. 1, 2 and 7, which may for example be in the form of a float, a first position 161 of the reservoir being a high liquid level in the form of a float, for example as shown in fig. 7, and a second position 162 of the reservoir being a low liquid level in the form of a float, for example as shown in fig. 2. By way of example only, if the level detector is mechanical, the first position 161 and the second position 162 may be understood as the position of the mechanical point of the level detector in the reservoir chamber, and if the level detector is non-mechanical, the first position 161 and the second position 162 may be predetermined positions in the reservoir chamber.

The pump 13 is activated in response to the level of fluid in the reservoir 12, and when the level detector 16 detects that the level of fluid in the reservoir 12 is above a first position 161, the pump 13 is deactivated, and when the level detector 16 detects that the level of fluid in the reservoir 12 is below a second position 162, the pump is activated. During the process that liquid in the liquid storage cavity 12 enters the heating pipe 11 for heating, the pump 13 can be started intermittently, and energy is saved.

The liquid entering the liquid inlet 14 is pumped to the liquid storage cavity 12 by the pump 13, the liquid in the liquid storage cavity 12 is heated in the heating pipe 11 after entering the heating pipe 11, the density difference exists between the hot liquid and the cold liquid, under the boiling condition, the steam can push the hot liquid upwards, the boiling liquid overflows from the fluid outlet 112 of the heating pipe, in addition, as the liquid level of the liquid in the liquid storage cavity 12 is controlled between the first position and the second position, on one hand, the liquid in the liquid storage cavity has a certain pressure difference relative to the liquid in the heating pipe, on the other hand, the temperature of the liquid outlet can be controlled at the set temperature, when the user needs to use the hot liquid, the user starts the heating assembly, the heating assembly is fast heated, the hot liquid is provided from the liquid outlet 15, the cold liquid is fast heated to be the hot liquid through the heating pipe, namely, the instant; meanwhile, the temperature of the discharged liquid can be set, so that the temperature control is simple and safe.

The heating assembly 100 is provided with a hot liquid cavity 17, a fluid outlet 112 of the heating pipe 11 is communicated with the hot liquid cavity 17, a liquid outlet 15 is communicated with the hot liquid cavity 17, a space above the hot liquid cavity 17 can be communicated with a space above the liquid storage cavity 12, the heating assembly 100 is provided with a communicating hole or a communicating groove 103, and the space above the hot liquid cavity 17 is communicated with the space above the liquid storage cavity 12 through the communicating hole or the communicating groove 103. So, the steam of high temperature can enter into stock solution chamber 12 in, has retrieved the heat, has increased heating element's thermal efficiency, has also reduced the steam volume of liquid outlet 15 simultaneously, helps promoting user experience.

Specifically, the heating element 100 has a first blocking wall 101 and a second blocking wall 102, the first blocking wall 101 is located on the periphery side of the top of the heating pipe 11, the second blocking wall 102 is a part of the wall of the reservoir 12, the top of the second blocking wall 102 is higher than the top of the first blocking wall 101, the top of the first blocking wall 101 is not higher than the first position 161, the vertical height of the first position 161 is lower than the top of the second blocking wall 102, the communication hole or the communication groove 103 is located on the second blocking wall 102, and the position of the communication hole or the communication groove 103 is higher than the top of the first blocking wall 101. First blocking wall 101 may be used to block the reverse flow of liquid in hot liquid chamber 17 into heating tube 11, and second blocking wall 102 may be used to block the hot liquid in hot liquid chamber 17 from entering reservoir 12.

With reference to fig. 1 and 3, the heating assembly 100 has a liquid collecting box 18, the liquid collecting box 18 has a liquid storage cavity 12 and a hot liquid cavity 17, the second blocking wall 102 is located between the liquid storage cavity 12 and the hot liquid cavity 17, the liquid outlet 15 is located at the bottom of the hot liquid cavity 17 of the liquid collecting box 18, the first blocking wall 101 and the second blocking wall 102 protrude from the bottom of the liquid collecting box 18, the liquid storage cavity 12 and the hot liquid cavity 17 can be integrally formed, the liquid collecting box 18 can be integrally formed by injection molding, the liquid storage cavity 12 and the hot liquid cavity 17 are formed by injection molding in the liquid collecting box, and the processing is convenient, the cost is low, and the structure is simple.

Have air guide column 181 in hot liquid chamber 17, the protruding liquid collection box 18 bottom of locating of air guide column 181, air guide column 181 has through-hole 182, the protruding height that highly is higher than first fender wall 101 in liquid collection box 18 bottom of air guide column 181, air guide column 181 is more for being close to heating pipe 11 relative liquid outlet 15, the hot steam that helps heating pipe 11 to come out can leave from air guide column 181, or enter into stock solution chamber 12 from intercommunication groove 103, can reduce the steam volume that comes out from liquid outlet 15 on the one hand, improve user experience, on the other hand can maintain the balance of hot liquid chamber and external environment's atmospheric pressure, the influence of the unstability of reducing atmospheric pressure to going out liquid.

With combined reference to fig. 1 and 4, the heating assembly 100 has a partition 19, the partition 19 is fixed to the header tank 18, the second blocking wall 102 has a communication groove 103, and the hot vapor in the hot liquid chamber 17 can enter the reservoir chamber 12 through the communication groove 103. The partition 19 is provided with a positioning table 191, the liquid level detector 16 can be limited on the positioning table 191, and the limitation of the liquid level detector 16 is simple and reliable and is easy to operate.

The liquid collecting box body 18 can also be provided with a liquid preparing cavity 183, the liquid preparing cavity 183 is communicated with the pump 13, and the liquid preparing cavity 183 can be used for containing liquid of an external water bottle or a liquid box and pumping the liquid to the liquid storing cavity 12 through the pump 13. The liquid collecting box body 18 is integrally formed with a liquid preparing cavity 183 structure, so that the structure is simple and the processing is convenient. The liquid inlet 14 may be provided in the liquid collecting tank 18, and the liquid inlet 14 is an opening of the liquid preparing chamber 183.

Referring back to fig. 1, the heating module 100 includes an inner housing 113, at least a portion of the heating pipe 11 is disposed in the inner housing 113, the heating pipe 11 is fixed to the inner housing 113, the inner housing 113 has thermal conductivity, the inner housing 113 has a fluid passage 114, one end of the fluid passage 114 is communicated with the pump 13, and the other end of the fluid passage 114 is communicated with the reservoir chamber 12. The liquid pumped in by the pump 13 enters the fluid passage 114, and since the inner housing 113 can absorb the heat radiated from the heating pipe 11, the inner housing 113 can be used for preheating the liquid in the fluid passage 114, so as to further utilize the heat and improve the heat utilization rate of the heating assembly; meanwhile, the inner shell 113 can also be cooled through liquid in the fluid passage 114, which is helpful for reducing the temperature of the inner shell and prolonging the service life of the heating assembly.

The heating assembly 100 is provided with a communicating pipe 104, the communicating pipe 104 is communicated with the liquid storage cavity 12 and the heating pipe 11, the communicating pipe 104 is in a U-shaped structure, the communicating pipe 104 can form a U-shaped flow passage between the liquid storage cavity 12 and the heating pipe, and the inner diameter of the communicating pipe 104 is not less than 3 mm; the liquid storage cavity 12 and the heating pipe 11 are communicated by arranging the communicating pipe 104, so that the cost is reduced, and the communicating pipe 104 can be a silicone tube, a plastic tube, a rubber tube and the like. In addition, the inner diameter of the communicating tube 104 is not less than 3mm, so that the liquid flow resistance is small. The inner diameter of the communicating pipe can be 3mm-12 mm. The heating pipe 11 is provided with an electrothermal film 115 and a base material, the electrothermal film 115 is laid on the surface of the base material, the electrothermal film 115 can be a nano film, when the heating pipe 11 is electrified, the electrothermal film 115 generates heat to heat liquid in the heating pipe 11, and the liquid can be rapidly heated after the heating pipe 11 because the electrothermal film 115 is rapidly heated. The heating tube 11 may have an inner diameter of between 10mm and 30 mm.

Referring to fig. 5, fig. 5 illustrates a structural schematic diagram of a fixing frame of a heating assembly, the heating assembly 100 has a fixing frame 20 and a circuit board 21, the fixing frame 20 has a frame body 201, a hoop portion 202, a supporting base 203 and an annular body 204, the hoop portion 202, the supporting base 203 and the annular body 204 protrude from the frame body 201, the pump 13 is fixed to the hoop portion 202 of the fixing frame 20, the circuit board 21 is fixed to the supporting base 203 of the fixing frame 20, and at least a portion of the heating pipe 11 is located in the annular body 204 for limiting.

As another embodiment, referring to fig. 1 and 6 in combination, fig. 6 illustrates the structure of a spacer 19 ', the spacer 19' having a platform 192, and a circuit board fixed to the platform 192.

In another embodiment, referring to FIG. 7, FIG. 7 illustrates a schematic structural diagram of a heating assembly 200 having a first reservoir 18a and a second reservoir 18b, the first reservoir 18a having a reservoir 12 and the second reservoir 18b having a hot chamber 17.

The heating assembly 200 has a first blocking wall 101 and a second blocking wall 102, specifically, the first reservoir 18a has a second blocking wall 102, the second reservoir 18b has a first blocking wall 101, the second reservoir 18b has a third blocking wall 105, the first blocking wall 101 is located on the top periphery side of the heating pipe 11, the top of the first blocking wall 101 is not higher than the first position 161, the vertical height of the first position 161 is lower than the top of the second blocking wall 102, the second blocking wall 102 is a part of the wall of the reservoir 12, the third blocking wall 105 is a part of the wall of the hot liquid chamber 17, the second blocking wall 102 and the third blocking wall are located between the reservoir 12 and the hot liquid chamber 17, and the liquid outlet 15 is located at the bottom of the first reservoir 18 a.

The top of the third blocking wall 105 is higher than the top of the first blocking wall 101, the top of the second blocking wall 102 is higher than the top of the first blocking wall 101, the second blocking wall 102 has a first communication hole or groove 103a, the third blocking wall 105 has a second communication hole or groove 103b, the first communication hole or groove 103a is higher than the top of the first blocking wall 101, the first communication hole or groove 103a communicates the second blocking wall 102 with the third blocking wall 105, and the second communication hole or groove 103b communicates the second blocking wall 102 with the third blocking wall 105. First blocking wall 101 may be used to block liquid in hot liquid chamber 17 from flowing backward into heating pipe 11, and second blocking wall 102 and third blocking wall 105 may be used to block hot liquid in hot liquid chamber 17 from entering liquid storage chamber 12. The intercommunicating hole 103 is communicated with the second retaining wall 102 and the third retaining wall 105, so that high-temperature steam can enter the liquid storage cavity 12, heat is recovered, the heat efficiency of the heating assembly is increased, the steam quantity of the liquid outlet 15 is reduced, and the user experience is improved.

The heating assembly can be used for liquid instant heating machines such as instant heating water dispensers, coffee machines, beverage machines and the like. The heating assembly of the above embodiment can be used for a water dispenser, for example, referring to fig. 8, fig. 8 illustrates a structural schematic diagram of a using state of the water dispenser 10, the water dispenser 10 includes a cover body 1 and an outer housing 2, the cover body 1 is fixed with the outer housing 2, the heating assembly is located in a space enclosed by the outer housing 2 and the cover body 1, and the cover body 1 and the outer housing 2 can be fixed in a buckling manner. In use, the water dispenser 10 is connected to a water bottle 3 for supplying water, for example. Of course, the water dispenser 10 may also be connected to a water tank. The cover body 1 is provided with a one-way valve, when the pump is started, the one-way valve is opened, the water in the water bottle enters the liquid preparation cavity 183, and when the pump stops working, the one-way valve is closed.

Claims

1. The utility model provides a heating element, includes heating pipe, stock solution chamber, pump, inlet, liquid outlet, its characterized in that: the outlet of the pump is communicated with the inlet of the liquid storage cavity, the inlet of the pump is communicated with the liquid inlet, the heating pipe is provided with a fluid inlet and a fluid outlet, the fluid inlet is positioned at the bottom of the heating pipe, the fluid inlet is communicated with the outlet of the liquid storage cavity, the fluid outlet is positioned at the top of the heating pipe, the fluid outlet is communicated with the liquid outlet, and the liquid storage cavity and the heating pipe are connected in series to form a U-shaped flow channel;

the bottom of the liquid storage cavity is lower than the top of the heating pipe, the heating assembly is provided with a liquid level detector, the liquid level detector can detect the liquid level of liquid in the liquid storage cavity, the liquid storage cavity is preset with a first position and a second position, and the vertical height of the fluid outlet position of the heating pipe is smaller than or equal to that of the first position and larger than or equal to that of the second position; when the liquid level detector detects that the liquid level in the liquid storage cavity is lower than the second position, the pump is started; when the liquid level detector detects that the liquid level in the liquid storage cavity is higher than the first position, the pump stops.

2. The heating assembly of claim 1, wherein: the height difference between the vertical height of the first position and the vertical height of the fluid outlet position of the heating tube is not higher than 10mm, and the height difference between the vertical height of the fluid outlet position of the heating tube and the vertical height of the second position is not higher than 10 mm.

3. A heating assembly as claimed in claim 1 or 2, wherein: the liquid storage cavity is arranged close to the top of the heating pipe, the heating assembly is provided with a hot liquid cavity, a fluid outlet of the heating pipe is communicated with the hot liquid cavity, the liquid outlet is communicated with the hot liquid cavity, the heating assembly is provided with a communicating hole or a communicating groove, and the communicating hole or the communicating groove is communicated with a space above the hot liquid cavity and a space above the liquid storage cavity.

4. The heating assembly of claim 3, wherein: heating element has first fender wall and second fender wall, first fender wall is located the top week side of heating pipe, the second keeps off the wall and does a part wall portion of stock solution chamber, the second keeps off the top of wall and is higher than the top of first fender wall, the top of first fender wall is not higher than the primary importance, intercommunicating pore or intercommunication groove are located the second keeps off the wall, intercommunicating pore or intercommunication groove position are higher than the top of first fender wall, the vertical height of primary importance is less than the top that the second kept off the wall.

5. The heating assembly of claim 4, wherein: the heating assembly is provided with a liquid collecting box body, the liquid collecting box body is internally provided with the liquid storage cavity and the hot liquid cavity, the second blocking wall is positioned between the liquid storage cavity and the hot liquid cavity, the liquid outlet is positioned at the bottom of the liquid collecting box body corresponding to the hot liquid cavity, and the first blocking wall and the second blocking wall protrude out of the bottom of the liquid collecting box body.

6. The heating assembly of claim 3, wherein: the heating component is provided with a first liquid storage tank and a second liquid storage tank, the liquid storage cavity is positioned in the first liquid storage tank, the hot liquid cavity is positioned in the second liquid storage tank,

the first liquid storage tank is provided with a second blocking wall, the second liquid storage tank is provided with a first blocking wall, the second liquid storage tank is provided with a third blocking wall, the first blocking wall is positioned on the periphery side of the top of the heating pipe, the top of the first blocking wall is not higher than the first position, the vertical height of the first position is lower than that of the second blocking wall, the second blocking wall is a part of the wall part of the liquid storage cavity, the top of the second blocking wall is higher than that of the first blocking wall, the top of the third blocking wall is higher than that of the first blocking wall, the second blocking wall is provided with the first communicating hole or the first communicating groove, the third blocking wall is provided with the second communicating hole or the second communicating groove, the first communicating hole or the second communicating groove is higher than that of the first blocking wall, and the first communicating hole or the second communicating groove is higher than that of the first blocking wall, the first communicating hole or the first communicating groove communicates the second blocking wall and the third blocking wall, and the second communicating hole or the second communicating groove communicates the second blocking wall and the third blocking wall.

7. A heating assembly as claimed in claim 1 or 2 or 4 or 5 or 6, wherein: the heating assembly comprises an inner shell, at least part of the heating pipe is arranged in the inner shell, the heating pipe is fixed with the inner shell, the inner shell has thermal conductivity, the inner shell is provided with a fluid passage, one end of the fluid passage is communicated with an outlet of the pump, and the other end of the fluid passage is communicated with an inlet of the liquid storage cavity.

8. A heating assembly as claimed in claim 4, 5 or 6, wherein: the hot liquid cavity is internally provided with an air guide column, the air guide column is provided with a through hole, the height of a bulge of the air guide column, which is bulged from the bottom of the hot liquid cavity, is higher than the height of a bulge of the first blocking wall, and the air guide column is closer to the heating pipe relative to the liquid outlet.

9. The heating assembly of claim 1, wherein: the height difference between the vertical height of the first position and the vertical height of the fluid outlet position of the heating tube is not higher than 10mm, and the height difference between the vertical height of the fluid outlet position of the heating tube and the vertical height of the second position is not higher than 10 mm;

the liquid storage cavity is arranged close to the top of the heating pipe, the heating assembly is provided with a hot liquid cavity, a fluid outlet of the heating pipe is communicated with the hot liquid cavity, and a liquid outlet is communicated with the hot liquid cavity;

the heating assembly is provided with a first blocking wall and a second blocking wall, the first blocking wall is located on the periphery side of the top of the heating pipe, the second blocking wall is a part of the wall of the liquid storage cavity, the top of the second blocking wall is higher than the top of the first blocking wall, the top of the first blocking wall is not higher than the first position, the heating assembly is provided with a communicating hole or a communicating groove, the communicating hole or the communicating groove is located on the second blocking wall, the communicating hole or the communicating groove is higher than the top of the first blocking wall, and the vertical height of the first position is lower than the top of the second blocking wall; the communicating hole or the communicating groove communicates the space above the hot liquid cavity with the space above the liquid storage cavity;

the heating assembly is provided with a liquid collecting box body, the liquid storage cavity and the hot liquid cavity are arranged in the liquid collecting box body, the second blocking wall is positioned between the liquid storage cavity and the hot liquid cavity, the liquid outlet is positioned at the bottom of the liquid collecting box body corresponding to the hot liquid cavity, and the first blocking wall and the second blocking wall protrude out of the bottom of the liquid collecting box body;

the heating assembly comprises an inner shell, at least part of the heating pipe is arranged in the inner shell, the heating pipe is fixed with the inner shell, the inner shell has heat conductivity, the inner shell is provided with a fluid channel, one end of the fluid channel is communicated with an outlet of the pump, and the other end of the fluid channel is communicated with an inlet of the liquid storage cavity;

an air guide column is arranged in the hot liquid cavity, the air guide column is provided with a through hole, the height of a bulge of the air guide column, which is bulged from the bottom of the hot liquid cavity, is higher than the height of a bulge of the first blocking wall, and the air guide column is closer to the heating pipe relative to the liquid outlet;

the heating assembly is provided with a communicating pipe, the communicating pipe is communicated with the liquid storage cavity and the heating pipe, the communicating pipe is in a U-shaped structure, and the inner diameter of the communicating pipe is not less than 3 mm; the inner diameter of the heating pipe is between 10mm and 30 mm;

the heating assembly comprises a fixed frame and a circuit board, the pump is fixed with the fixed frame, and the circuit board is fixed with the fixed frame; or heating element includes baffle and circuit board, the baffle seals hot liquid chamber, the baffle has platform portion, the circuit board is fixed in platform portion.

10. A water dispenser is characterized in that: the water dispenser comprises an outer shell and a cover body, wherein the cover body is fixedly arranged with the outer shell, and the heating assembly is positioned in a space enclosed by the outer shell and the cover body.