Heating device and dish washing machine

Abstract

The utility model belongs to the technical field of electrical equipment, and particularly relates to a heating device and a dish-washing machine. The heating device comprises a body, two partition plates and a filling piece, a water inlet and a water outlet are formed in the peripheral side of the body, a heating cavity is formed in the body, and the water inlet and the water outlet are both communicated with the heating cavity; the two partition plates are connected to the inner side of the top of the heating cavity in a spaced mode and divide the heating cavity into a water conveying channel and two water containing cavities, the water inlet and the water outlet are formed in the two ends of the water conveying channel respectively, and the two water containing cavities are formed in the two sides of the water conveying channel; the heating piece is connected in the heating cavity and is spaced from the partition plate; the water containing cavity is filled with the filling piece, and the filling piece and the heating piece are arranged at intervals. By reducing the internal capacity of the heating cavity, the heating effect on water conveyed in the heating cavity can be improved, the conveyed water can be heated to a higher temperature, then the cleaning effect on tableware is improved, and good practicability is achieved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of electrical equipment, and particularly relates to a heating device and a dishwasher. BACKGROUND

[0002] In the related art, two opposite partitions are arranged in the heating cavity in the dishwasher to deliver water in the water cup. However, the partition and the side wall of the water cup have a certain distance, and the water flowing into the heating cavity will fill the area between the partition and the side wall of the water cup, causing too much water in the heating cavity, which affects the heating effect of the water delivered in the heating cavity. SUMMARY

[0003] The present application provides a heating device and a dishwasher, which aims to at least improve the heating effect of the water delivered in the heating cavity.

[0004] In a first aspect of the present application, a heating device is provided, which is applied to a dishwasher, and the heating device comprises: a body, which is provided with a water inlet and a water outlet on the peripheral side, and is internally provided with a heating cavity, the water inlet and the water outlet are both communicated with the heating cavity; two partitions, which are connected to the inner side of the top of the heating cavity in a spaced manner, the two partitions divide the heating cavity into a water delivery channel and two water containing cavities, the water inlet and the water outlet are respectively arranged at the two ends of the water delivery channel, and the two water containing cavities are arranged on the two sides of the water delivery channel; a heating element, which is connected in the heating cavity and is arranged in a spaced manner above the partitions; and a filling element, which is filled in the water containing cavity and is arranged in a spaced manner with the heating element.

[0005] The heating device provided by the present application has the following advantages: the peripheral side of the body is provided with a water inlet and a water outlet, and the body is internally provided with a heating cavity, the water inlet and the water outlet are both communicated with the heating cavity, two partitions are connected to the inner side of the top of the heating cavity in a spaced manner, the two partitions divide the heating cavity into a water delivery channel and two water containing cavities, and the water inlet and the water outlet are respectively arranged at the two ends of the water delivery channel. Therefore, water can flow into the heating cavity of the body from the water outlet of the body and flow out from the water outlet of the body through the water delivery channel. The heating element is connected in the heating cavity and arranged above the partitions in a spaced manner. In the process of water flowing through the water delivery channel, the water will flow into the two water containing cavities on the two sides of the water delivery channel through the gap between the heating element and the partitions, and the water in the heating cavity will be heated and output by the working heating element. The filling element is filled in the water containing cavity and arranged in a spaced manner with the heating element. Therefore, the arrangement of the filling element can reduce the internal space of the water containing cavity, and accordingly, the internal capacity of the heating cavity is also reduced. Under the condition that the radiant energy provided by the heating element is consistent, the heating effect of the water delivered in the heating cavity can be improved by reducing the internal capacity of the heating cavity, so that the delivered water can be raised to a higher temperature, thereby improving the cleaning effect of the tableware, and having good practicability.

[0006] In some embodiments, the distance from the top of the heating cavity is h1, and the distance from the top of the heating cavity to the partition adjacent to the filling piece is h2, wherein 2 / 3h2>h1>1 / 2h2.

[0007] In some embodiments, the filling piece is detachably connected inside the top of the heating cavity.

[0008] In some embodiments, one end of the partition towards the water inlet has a distance from the edge of the water inlet; the heating device further comprises a flow guide piece corresponding to each partition, the flow guide piece is arranged inside the corresponding partition, one end of the flow guide piece abuts against the edge of the water inlet, and the other end of the flow guide piece abuts against the middle of the inside of the corresponding partition.

[0009] In some embodiments, the inside of the flow guide piece is arc-shaped.

[0010] In some embodiments, the partition is plugged into the top of the corresponding flow guide piece.

[0011] In some embodiments, the bottom of one end of the partition towards the water inlet is provided with a positioning recess, the flow guide piece is arranged in the positioning recess, and the height of the flow guide piece is not less than the height of the corresponding partition.

[0012] In some embodiments, the flow guide piece and the filling piece are integrally formed.

[0013] In some embodiments, the central angle corresponding to the water inlet and the water outlet is α, wherein 180°≥α≥120°.

[0014] In a second aspect of the present application, the present application further provides a dishwasher comprising the above heating device.

[0015] In some embodiments, the dishwasher further comprises a water cup, a circulating pump and a spray arm assembly connected in sequence, wherein the heating device is arranged between the water cup and the circulating pump or between the circulating pump and the spray arm assembly, or the heating device is arranged between the water cup and the circulating pump or between the circulating pump and the spray arm assembly.

[0016] The dishwasher with the above heating device can improve the heating effect of the water delivered in the heating cavity, raise the delivered water to a higher temperature, and improve the cleaning effect of the tableware under the condition that the radiation energy provided by the heating piece of the heating device is consistent, thereby having good practicability. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort based on these drawings.

[0018] Figure 1 An exploded schematic view of a dishwasher in one or more embodiments of the present application is shown;

[0019] Figure 2 A schematic view of Figure 1 the dishwasher is shown;

[0020] Figure 3 A schematic view of Figure 2 the A-A cross section is shown;

[0021] Figure 4 A schematic view of Figure 3 the B-B cross section is shown;

[0022] Figure 5 A schematic view of Figure 3 the C-C cross section is shown;

[0023] Figure 6 An assembly schematic view of the filler and the flow guide is shown;

[0024] Figures 7-9 A water circulation schematic view of the dishwasher of the present application is shown.

[0025] Explanation of reference signs:

[0026] Heating device-100;

[0027] Body-101, water inlet-1011, water outlet-1012, heating cavity-1013, water delivery channel-1014, water containing cavity-1015, connecting column-1016;

[0028] Partition-102, positioning recess-1021;

[0029] Heating element-103;

[0030] Filler-104;

[0031] Cover plate-105;

[0032] Sealing element-106;

[0033] Flow guide-107, slot-1071;

[0034] Water cup-200;

[0035] Circulating pump-300;

[0036] Spray arm assembly-400. Detailed Implementation

[0037] To enable those skilled in the art to more clearly understand this application, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0038] In related technologies, dishwashers have a built-in heating element located downstream of a water cup to heat the water collected in the cup. The heated water is then delivered to the spray arm assembly to provide hot water for cleaning the dishes inside the dishwasher. In addition to effectively removing food residue and other dirt, the hot water can also preheat the dishes, thereby achieving a higher cleaning effect.

[0039] In related technologies, the heating cavity inside a dishwasher is equipped with two opposing baffles to transport water from a cup. However, there is a certain distance between the baffles and the side wall of the cup. Water flowing into the heating cavity will fill the area between the baffles and the side wall of the cup, resulting in excessive water in the heating cavity and affecting the heating effect of the water transported in the heating cavity.

[0040] In view of the above-mentioned technical problems, this application provides a heating device and a dishwasher, which aims to improve the heating effect of the water delivered in the heating chamber to at least a certain extent, so as to improve the cleaning effect on tableware.

[0041] In a first aspect, this application provides a heating device. Figure 1 An exploded view of a dishwasher according to one or more embodiments of this application is shown. Figure 2 It shows Figure 1 The diagram shown is a front view of a dishwasher. Figure 3 It shows Figure 2 A schematic diagram of the AA cross section. Figure 4 It shows Figure 3 BB cross-sectional diagram, Figure 5 It shows Figure 3 A schematic diagram of the CC cross-section. Combined with... Figures 1-5The heating device 100 provided in the application is applied to a dishwasher, and the heating device 100 comprises a body 101, baffles 102, a heating element 103 and a filling element 104. The body 101 is provided with a water inlet 1011 and a water outlet 1012 on the periphery, and the body 101 is internally provided with a heating cavity 1013. The water inlet 1011 and the water outlet 1012 are both communicated with the heating cavity 1013. The two baffles 102 are spaced apart and connected to the inner side of the top of the heating cavity 1013. The two baffles 102 divide the heating cavity 1013 into a water conveying channel 1014 and two water containing cavities 1015. The water inlet 1011 and the water outlet 1012 are respectively arranged at the two ends of the water conveying channel 1014. The two water containing cavities 1015 are arranged on the two sides of the water conveying channel 1014. The heating element 103 is connected in the heating cavity 1013 and is spaced apart from the baffles 102, that is, the heating element 103 is spaced apart below the baffles 102. The filling element 104 is filled in the water containing cavities 1015 and is spaced apart from the heating element 103.

[0042] The heating device 100 provided in the application is applied to a dishwasher, and the heating device 100 comprises a body 101, baffles 102, a heating element 103 and a filling element 104. The body 101 is provided with a water inlet 1011 and a water outlet 1012 on the periphery, and the body 101 is internally provided with a heating cavity 1013. The water inlet 1011 and the water outlet 1012 are both communicated with the heating cavity 1013. The two baffles 102 are spaced apart and connected to the inner side of the top of the heating cavity 1013. The two baffles 102 divide the heating cavity 1013 into a water conveying channel 1014 and two water containing cavities 1015. The water inlet 1011 and the water outlet 1012 are respectively arranged at the two ends of the water conveying channel 1014. The two water containing cavities 1015 are arranged on the two sides of the water conveying channel 1014. The heating element 103 is connected in the heating cavity 1013 and is spaced apart from the baffles 102, that is, the heating element 103 is spaced apart below the baffles 102. The filling element 104 is filled in the water containing cavities 1015 and is spaced apart from the heating element 103.

[0043] Combining Figure 1 andFigures 4-5 According to an embodiment of the present application, the body 101 of the heating device 100 is substantially an axial through columnar structure, the top of the body 101 can be integrally formed on the bottom of the dishwasher, the internal space of the body 101 is configured as the heating cavity 1013, the bottom of the body 101 can be provided with an open structure, the bottom of the body 101 is sealed by a detachable cover plate 105, the heating element 103 is connected to the inner side of the cover plate 105, the heating element 103 is provided with a heating disc, the heating disc radiates energy into the heating cavity 1013 to heat the water delivered into the heating cavity 1013.

[0044] In combination Figure 1 and Figures 4-5 According to an embodiment of the present application, the heating device 100 further comprises a sealing member 106 arranged between the top of the body 101 and the cover plate 105 to seal the heating cavity 1013 of the body 101, on the one hand, it can avoid the water in the heating cavity 1013 to leak through the gap between the body 101 and the cover plate 105, so that the water can only flow out through the delivery port, on the other hand, it can also avoid the energy radiated by the heating disc of the heating element 103 to leak, so that the energy radiated by the heating disc is focused in the heating cavity 1013 to improve the heating effect of the water delivered into the heating cavity 1013.

[0045] In combination Figure 1 and Figure 3 According to an embodiment of the present application, the water inlet 1011 and the water outlet 1012 are arranged at the circumferential side of the body 101, the connecting line between the center of the water inlet 1011 and the delivery port and the central axis of the body 101 forms a central angle α, the central angle α is set to be between 120°-180°, preferably between 130°-140°, the water delivery channel 1014 is substantially arranged in an arc shape, and the central axis of the body 101 is arranged in the water delivery channel 1014, so that the distance of the water delivery channel 1014 can be extended to a certain extent, and correspondingly, the flow path of the water in the heating cavity 1013 is also extended, the heating time of the water is increased, the temperature of the water is improved, and a better cleaning effect is achieved.

[0046] In an embodiment, the partition plate 102 can be integrally formed on the inner side of the top of the heating cavity 1013, in another embodiment, the partition plate 102 can also be connected to the inner side of the top of the heating cavity 1013 by screws or other components, and the present application does not limit this.

[0047] In combination Figure 4 and Figure 5According to an embodiment of the present application, the partition plate 102 is spaced apart from the heating element 103, and water entering the water delivery channel 1014 of the heating cavity 1013 can flow into the water containing cavity 1015 on both sides of the water delivery channel 1014 through the gap between the partition plate 102 and the heating element 103, so as to heat the water in the water containing cavity 1015 by the radiant energy on both sides of the heating element 103, and to achieve the purpose of energy saving to a certain extent. Since the partition plate 102 is in a plate shape, the bottom of the partition plate 102 can be slightly higher than the top of the heating element 103, so as to enable the water to enter the water containing cavity 1015 through the gap between the top of the partition plate 102 and the bottom of the heating element 103.

[0048] According to an embodiment of the present application, the filler 104 can be in a block shape, and the filler 104 is consistent with the cross-sectional shape of the water containing cavity 1015, and under the condition that the filler 104 is assembled in the water containing cavity 1015, there is no gap between the filler 104 and the side wall of the water containing cavity 1015, so as to avoid the phenomenon of peculiar smell caused by the foreign matter mixed in the water entering the gap between the filler 104 and the side wall of the water containing cavity 1015. In a specific implementation, in combination with Figure 2 and Figure 4 In an embodiment, the inside of the top of the water containing cavity 1015 is provided with a connecting column 1016, and the filler 104 can be detachably assembled on the connecting column 1016 of the water containing cavity 1015 by using screws or other components; in another embodiment, the filler 104 can also be bonded on the top of the water containing cavity 1015, and the present application does not limit this.

[0049] In combination with Figure 4 and Figure 5 According to an embodiment of the present application, the distance between the filler 104 and the top of the water containing cavity 105 is h1, and the distance between the partition plate 102 close to the filler 104 and the top of the water containing cavity is h2, wherein 2 / 3h2>h1>1 / 2h2. The purpose of such setting is that if the distance between the filler 104 and the top of the water containing cavity 105 is small, the purpose of changing the internal capacity of the heating cavity 1013 cannot be achieved, and if the distance between the filler 104 and the top of the water containing cavity 105 is large, the distance between the filler 104 and the heating element 103 is close, and the energy radiated by the heating element 103 cannot be effectively utilized. Based on this, the distance between the filler 104 and the top of the water containing cavity 105 is set as above, so as to effectively utilize the energy radiated by the heating element 103 under the condition of changing the internal capacity of the heating cavity 1013.

[0050] In combination with Figure 1 and Figure 3, in the related art, the two partitions 102 have a distance from the edge of the water inlet 1011, so that the size of the water delivery channel 1014 at the end towards the water inlet 1011 is larger than the size of the water delivery channel 1014 at the end towards the water outlet 1012, so as to increase the water delivery speed of the water outlet 1012. However, since the water entering the water inlet 1011 flows directly to the inner wall of the heating cavity 1013 and then is guided by the partition 102 to be delivered through the water delivery channel 1014, the water inlet turbulence phenomenon is caused to a certain extent, and the energy consumption of the circulating pump 300 for pumping water is increased. Based on the technical problem, the heating device 100 further comprises a flow guide 107, which is arranged one by one corresponding to the partition 102, the flow guide 107 is arranged on the inner side of the corresponding partition 102, one end of the flow guide 107 abuts against the edge of the water inlet 1011, and the other end of the flow guide 107 abuts against the middle of the inner side of the corresponding partition 102. Through the arrangement of the flow guide 107, the water entering the water inlet 1011 can be directly guided by the partition 102 to be delivered through the water delivery channel 1014, avoiding guiding the water flow through the inner wall of the heating cavity 1013, so as to reduce the water inlet turbulence phenomenon to a certain extent and reduce the energy consumption of the circulating pump 300 for pumping water. In addition, through the arrangement of the flow guide 107, the size of the water inlet 1011 and the water outlet 1012 can be substantially the same, although the flow rate of the water outlet 1012 is reduced, the volume of the water delivery channel 1014 is also reduced, and correspondingly, the internal capacity of the heating cavity 1013 is also reduced. Under the condition that the radiant energy provided by the heating element 103 is consistent, the heating effect of the water delivered in the heating cavity 1013 can be improved, so that the delivered water can be raised to a higher temperature, thereby improving the cleaning effect on the tableware.

[0051] In combination Figure 1 and Figure 3 , in specific implementation, the inner side of the flow guide 107 is arc-shaped, so that the inner wall of the water delivery channel 1014 forms a curved surface structure, so as to buffer the impact of the water flow on the flow guide 107 to a certain extent and reduce the noise.

[0052] Figure 6 The assembly schematic diagram of the filler and the flow guide is shown. In combination Figure 6 , according to an embodiment of the present application, the flow guide 107 can be integrally formed with the filler 104, so that the two can be assembled together in place when the heating device 100 is assembled, improving the assembly efficiency, and at the same time, since the filler 104 is fixed on the inner side of the top of the heating cavity 1013 by screws or other components, the flow guide 107 can also be fixed in the heating cavity 1013.

[0053] In combination Figures 4-6In an embodiment, the flow guide 107 can be a block structure, and a slot 1071 is arranged on the top of the flow guide 107, the slot 1071 is consistent with the height direction of the partition plate 102, the partition plate 102 is inserted into the bottom of the corresponding flow guide 107, and the top of the flow guide 107 is also seamless with the inner side of the top of the heating cavity 1013, so as to avoid the phenomenon that foreign matters mixed in the water enter into the gap between the filler 104 and the side wall of the water containing cavity 1015 and cause odor.

[0054] In combination with Figure 1 , Figure 3 and Figure 5 , according to an embodiment of the present application, the bottom of one end of the partition plate 102 towards the water inlet 1011 is provided with a positioning recess 1021, the flow guide 107 is arranged in the positioning recess 1021, and the height of the flow guide 107 is not lower than the height of the corresponding partition plate 102. Through the limitation of the positioning recess 1021, the displacement of the flow guide 107 in the water flow direction can be limited, so that the flow guide 107 can be assembled in place without external components such as screws. In addition, since the height of the flow guide 107 is not lower than the height of the corresponding partition plate 102, the phenomenon that foreign matters mixed in the water are hung on the side wall of the positioning recess 1021 and are not transported to the outside of the body 101 is avoided, and then the odor problem caused by the long-term storage of foreign matters in the body 101 is avoided.

[0055] In summary, the heating device 100 provided by the present application can reduce the internal capacity of the heating cavity 1013, improve the heating effect of the water transported in the heating cavity 1013, make the transported water rise to a higher temperature, and then improve the cleaning effect of the tableware under the condition of the original heating device 100 by adding the filler 104 and the flow guide 107, and has good practicability.

[0056] Based on the same design idea, in the second aspect of the present application, the present application also provides a dishwasher, which comprises the above-mentioned heating device 100.

[0057] The dishwasher with the above-mentioned heating device 100 can improve the heating effect of the water transported in the heating cavity 1013, make the transported water rise to a higher temperature, and then improve the cleaning effect of the tableware under the condition that the radiant energy provided by the heating element 103 of the heating device 100 is consistent, and has good practicability.

[0058] Figures 7-9 The water circulation schematic diagram of the dishwasher of the present application is shown, in combination with Figure 7In an embodiment, the dishwasher further comprises a water cup 200, a circulating pump 300 and a spray arm assembly 400 connected in sequence, wherein the heating device 100 is arranged between the water cup 200 and the circulating pump 300, the water cup 200 receives water sprayed by the spray arm assembly 400, and under the action of the circulating pump 300, the water in the water cup 200 is heated by the heating device 100 and then delivered to the spray arm assembly 400 through the circulating pump 300 to form a water circulation. In combination Figure 8 In another embodiment, the heating device 100 is arranged between the circulating pump 300 and the spray arm assembly 400, the water cup 200 receives water sprayed by the spray arm assembly 400, and under the action of the circulating pump 300, the water in the water cup 200 is output to the heating device 100 through the circulating pump 300, heated by the heating device 100 and then delivered to the spray arm assembly 400 to form a water circulation. In combination Figure 9 Alternatively, if the internal space of the dishwasher allows, the above-mentioned heating device 100 is arranged between the water cup 200 and the circulating pump 300 or between the circulating pump 300 and the spray arm assembly 400 to further improve the temperature of the water by using two heating devices 100, thereby improving the cleaning effect on the tableware, which is not limited in the present application.

[0059] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can include that the first and second features are in direct contact, or can include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "over" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0060] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0061] In the present application, unless specifically defined otherwise and limited, the terms "connected", "fixed", and the like should be construed as being broad, for example, "fixed" can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through intermediate medium; can be internal connection of two elements, or interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0062] In addition, in the present application, the description such as "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically defined.

[0063] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A heating device applied to a dishwasher, characterized in that, The heating device comprises: a body provided with a water inlet and a water outlet on the side, and a heating cavity arranged in the body, the water inlet and the water outlet being communicated with the heating cavity; two partitions connected to the inner side of the top of the heating cavity, the two partitions dividing the heating cavity into a water conveying channel and two water containing cavities, the water inlet and the water outlet being arranged at the two ends of the water conveying channel respectively, and the two water containing cavities being arranged on the two sides of the water conveying channel; a heating element arranged in the heating cavity and spaced apart from the partitions; a filling element arranged in the water containing cavities and spaced apart from the heating element.

2. The heating device of claim 1, wherein The distance from the filling element to the top of the heating cavity is h1, and the distance from the partition adjacent to the filling element to the top of the heating cavity is h2, wherein 2 / 3h2>h1>1 / 2h2.

3. The heating device of claim 1, wherein, The filling element is detachably connected to the inner side of the top of the heating cavity.

4. The heating device according to any one of claims 1-3, characterized in that The end of the two partitions towards the water inlet is away from the edge of the water inlet; The heating device further comprises a flow guide element arranged corresponding to each partition, the flow guide element being arranged on the inner side of the corresponding partition, one end of the flow guide element abutting against the edge of the water inlet, and the other end of the flow guide element abutting against the middle part of the inner side of the corresponding partition.

5. The heating device of claim 4, wherein, The inner side of the flow guide element is arc-shaped.

6. The heating device of claim 4, wherein, The partition is inserted into the top of the corresponding flow guide element.

7. The heating device of claim 6, wherein The bottom of the end of the partition towards the water inlet is provided with a positioning recess, the flow guide element being arranged in the positioning recess, and the height of the flow guide element being not less than the height of the corresponding partition.

8. The heating device of claim 4, wherein, The flow guide element and the filling element are integrally formed.

9. The heating device according to any of claims 1-3 and 5-8, characterized in that, The central angle corresponding to the water inlet and the water outlet is α, wherein 180°≥α≥120°.

10. A dishwasher, characterized in that The heating device comprises the heating device according to any one of claims 1-9.

11. The warewash machine of claim 10, wherein, The water cup, the circulating pump and the spray arm assembly are connected in sequence, and the heating device is arranged between the water cup and the circulating pump, or between the circulating pump and the spray arm assembly, or between the water cup and the circulating pump or between the circulating pump and the spray arm assembly.

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