CN219991977U - Heating structure of portable washing machine - Google Patents

Abstract

The utility model provides a heating structure of a portable washing machine, which comprises a machine body, a heating module used for heating water in the machine body, and a heating end face on the heating module exposed out of an inner cavity of a containing barrel and contacted with the water. Specifically, the heat generated by the heating module is directly transferred to the water in the inner cavity of the containing barrel, so that the heating efficiency is improved, and compared with a heating pipe in the prior art, the heating module has lower manufacturing cost; the heating module further comprises a temperature controller for monitoring the temperature of the heat conducting disc, the temperature controller is electrically connected with the heating element, and the temperature controller is arranged on the inner side wall of the heat conducting disc; when the temperature of the heat conducting disc exceeds the temperature set by the temperature controller, the temperature controller cuts off a circuit where the heating element is positioned, so that the safety performance of the product is improved; the bottom of the barrel is provided with the flow guide structure which is arranged around the central axis of the containing barrel in a spiral gradual change mode, the heating end face of the heating module is exposed out of the low-position end of the flow guide structure, accumulated water in the containing barrel is thoroughly cleaned, and the drainage efficiency of products is improved.

Description

Heating structure of portable washing machine

Technical Field

The utility model relates to the technical field of washing machines, in particular to a heating structure of a portable washing machine.

Background

The existing washing machine can be divided into a pulsator washing machine and a roller washing machine, the pulsator washing machine is driven by a pulsator, water in a barrel flows to form vortex, fabrics are driven to rotate and roll, dirty objects on clothes are removed in the mode, in order to promote dissolution of washing powder, improve the decontamination effect of the washing powder, improve the washing degree of the clothes and reduce the time for washing the clothes, and a heating device is arranged at the bottom of a water containing barrel of the pulsator washing machine in the prior art.

Chinese patent document No. CN207109361U discloses a tub assembly and a washing machine in 2018. The water holding barrel assembly comprises a water holding barrel, a heating piece and a clamping plate, wherein the water holding barrel defines a water holding space, the barrel bottom of the water holding barrel comprises an inner ring and an outer ring positioned on the outer side of the inner ring, the height of the outer ring is larger than that of the inner ring, and the inner wall surface of the joint of the outer ring and the inner ring is sunken downwards to form an installation groove with an opening at the upper end; the heating element is positioned in the mounting groove; the splint lid is established at the open end of mounting groove, and is equipped with the first inlet port that is linked together with mounting groove and flourishing water space between splint and the inner circle, but this structure needs water to flow into the mounting groove from first inlet port after, and the heating piece just heats water to the water, and not directly heats the water of flourishing cask inner chamber, leads to heating effect poor, and its manufacturing cost is high.

Therefore, further improvements are needed.

Disclosure of Invention

Based on the above, the utility model aims to provide a heating structure of a portable washing machine, which overcomes the defects in the prior art, and the heat generated by the heating structure is directly transferred to the water in the inner cavity of the containing barrel, so that the heating efficiency is improved, and the cost is low.

The heating structure of the portable washing machine designed according to the purpose comprises a machine body, wherein a heating module for heating water is arranged in the machine body, the heating module is electrically connected with a main control module on the machine body, and a heating end face on the heating module is exposed out of an inner cavity of the containing barrel and is in contact with the water.

The heating module comprises a base and a heat conducting disc arranged on the base, an opening for the heat conducting disc to pass through is formed in the bottom of the containing barrel, the heating end face of the heating module is arranged on the heat conducting disc and passes through the opening to be exposed out of the bottom of the containing barrel, and the heat conducting disc is arranged on the containing barrel.

The heating module further comprises a heating element which is fixedly arranged on the inner side wall of the heat conducting disc in a surrounding mode, and the heat conducting disc is positioned below the heating end face; the heating element is an electric heating tube, an electric heating film or a PTC heating sheet, and is electrically connected with the main control module.

The heating module further comprises a temperature controller for monitoring the temperature of the heat conducting disc, the temperature controller is electrically connected with the heating element, and the temperature controller is arranged on the inner side wall of the heat conducting disc; when the temperature of the heat conducting disc exceeds the temperature set by the temperature controller, the temperature controller cuts off a circuit where the heating element is located.

The water level sensor is used for detecting the water temperature of the water tank and/or the water level probe is used for detecting the water level of the water tank; and the temperature sensor and/or the water level probe is/are electrically connected with the main control module.

The bottom of the containing barrel is provided with a diversion structure which is arranged around the central axis of the containing barrel in a spiral gradual change mode, and the heating end face of the heating module is exposed out of the low-position end of the diversion structure.

The water guiding structure comprises a first water guiding part and a second water guiding part, the first water guiding part is higher than the second water guiding part, a water outlet is arranged on the second water guiding part, and when water is discharged, water in the containing barrel is guided into the first water guiding part along the second water guiding part and is discharged from the water outlet; the heating end face of the heating module is exposed out of the second flow guiding part.

The first diversion part is gradually inclined downwards along the direction of the second diversion part from the center of the containing barrel.

The heat conducting disc is characterized in that a sealing structure is arranged between the heat conducting disc and the opening, the sealing structure comprises a sealing ring, a plug groove is formed in the sealing ring, a protruding portion which is abutted to the plug groove is arranged on the periphery of the opening, the inner ring of the sealing ring is sleeved on the peripheral wall of the heat conducting disc, and the protruding portion is plugged on the plug groove.

The novel sealing ring is characterized in that a connecting column is arranged on the bottom of the containing barrel, a connecting hole is formed in the base, the base penetrates through the connecting hole through a fastener and is fixedly connected with the connecting column, and the base is matched with the containing barrel to tightly press the sealing ring.

Compared with the prior art, the heating structure of the portable washing machine of the embodiment has the following advantages:

1. the heating end face of the heating module is exposed out of the inner cavity of the containing barrel and is contacted with water. Specifically, the heat generated by the heating module is directly transferred to the water in the inner cavity of the containing barrel, so that the heating efficiency is improved, and compared with a heating pipe in the prior art, the heating module has lower manufacturing cost;

2. the heating module further comprises a temperature controller for monitoring the temperature of the heat conducting disc, the temperature controller is electrically connected with the heating element, and the temperature controller is arranged on the inner side wall of the heat conducting disc; when the temperature of the heat conducting disc exceeds the temperature set by the temperature controller, the temperature controller cuts off a circuit where the heating element is located. Specifically, in order to avoid the situation of damage caused by dry burning or overhigh working temperature of the heating element when the water level in the containing barrel is too low, a temperature controller is arranged at the bottom of the heat conducting disc, the temperature of the heat conducting disc is monitored through the temperature controller, and when the water level in the containing barrel meets the requirement, the heating element continuously works; when the water level in the containing barrel is further reduced or lower than the set value and the temperature of the heat conducting disc exceeds the set temperature of the temperature controller, the temperature controller cuts off the circuit where the heating element is located, and the safety performance of the product is improved.

3. The bottom of the barrel is provided with a diversion structure which is arranged around the central axis of the barrel in a spiral gradual change mode, and the heating end face of the heating module is exposed out of the low-position end of the diversion structure. Specifically, the flow guiding structure is in a spiral gradual change type and gradually becomes lower from high, so that accumulated water in the containing barrel is discharged to the outside, accumulated water in the containing barrel is thoroughly cleaned, and the drainage efficiency of products is improved; the water is generally gathered at the low-order end of the flow guiding structure first, so that the occurrence of dry heating condition of the heating module is effectively avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a machine body, a barrel and a heating module according to an embodiment of the present utility model.

Fig. 2 is a cross-sectional view showing the structure of the barrel and the heating module in one embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of a first flow guiding portion and a second flow guiding portion according to an embodiment of the utility model.

Fig. 4 is a schematic view showing an exploded structure of the barrel, the heating module and the sealing ring according to an embodiment of the present utility model.

Fig. 5 is a schematic view of a flow guiding structure of a filling barrel according to an embodiment of the present utility model.

Fig. 6 is a top view of a barrel structure according to an embodiment of the present utility model.

The correspondence between the reference numerals and the component names in fig. 1 to 6 is:

1-organism, 2-barreled barrel, 201-opening, 2011-bellying, 202-spliced pole, 3-heating module, 301-base, 3011-connecting hole, 302-heat conduction dish, 303-heating element, 304-temperature controller, 4-water conservancy diversion structure, 401-first water conservancy diversion portion, 402-second water conservancy diversion portion, 4021-outlet, 5-sealing washer, 501-jack groove, 6-temperature sensor, 7-water level probe.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

As shown in fig. 1, 2 and 4, a heating structure of a portable washing machine is provided, which comprises a machine body 1, wherein a heating module 3 for heating water is arranged in the machine body 1, the heating module 3 is electrically connected with a main control module on the machine body 1, and a heating end surface on the heating module 3 is exposed out of an inner cavity of a containing barrel 2 and is contacted with water.

Specifically, the heat generated by the heating module 3 is directly transferred to the water in the inner cavity of the barrel 2, so that the heating efficiency is improved, and the manufacturing cost of the heating module is lower compared with that of a heating pipe in the prior art.

Further, as shown in fig. 1 and 2, the heating module 3 includes a base 301 and a heat conducting plate 302 disposed on the base 301, an opening 201 for the heat conducting plate 302 to pass through is disposed on the bottom of the barrel 2, a heating end surface of the heating module 3 is disposed on the heat conducting plate 302 and exposed to the bottom of the barrel 2 through the opening 201, and the heat conducting plate 302 is disposed on the barrel 2.

Specifically, the heat conducting plate 302 is fixedly arranged on the base 301, and when the heat conducting plate 302 is installed, the heating end face of the heat conducting plate 302 penetrates through the opening 201 and then is exposed out of the bottom of the containing barrel 2, and the end of the heat conducting plate 302 is flush with the end face of the opening 201.

Further, as shown in fig. 2 and 4, the heating module 3 further includes a heating element 303, where the heating element 303 is fixedly disposed on an inner sidewall of the heat conducting plate 302, and the heat conducting plate 302 is located below the heating end surface; the heating element 303 is an electrothermal tube, an electrothermal film or a PTC heating sheet, and the heating element 303 is electrically connected with the main control module.

Specifically, the heating element 303 is fixedly disposed on the inner side wall of the heat conducting disc 302 in a surrounding manner, and when the heating element 303 works, heat generated by the heating element 303 is transferred to the heat conducting disc 302, and the heat conducting disc 302 is in contact with water in the inner cavity of the containing barrel 2, so that a heating effect is achieved.

Further, as shown in fig. 2 and 4, the heating module 3 further includes a temperature controller 304 for monitoring the temperature of the heat conducting plate 302, the temperature controller 304 is electrically connected with the heating element 303, and the temperature controller 304 is disposed on the inner sidewall of the heat conducting plate 302; when the temperature of the heat conducting plate 302 exceeds the temperature set by the temperature controller 304, the temperature controller 304 cuts off the circuit where the heating element 303 is located.

Further, as shown in fig. 1, the barrel 2 is provided with a temperature sensor 6 for detecting the water temperature of the barrel 2 and/or a water level probe 7 for detecting the water level of the barrel 2; the temperature sensor 6 and/or the water level probe 7 are electrically connected with the main control module.

Specifically, the temperature of the water body of the containing barrel 2 is monitored by the temperature sensor 6; when the temperature sensor 6 detects that the water temperature in the containing barrel 2 is lower than the set temperature value, the heating element 303 continuously works; when the temperature sensor 6 detects that the water temperature in the containing barrel 2 is equal to or higher than a set temperature value, the main control module controls the heating element 303 to stop working; the water level of the containing barrel 2 is monitored through a water level probe 7; when the water level probe 7 detects that the water level in the containing barrel 2 meets the requirement, the heating element 303 continuously works; when the water level probe 7 detects that the water level in the containing barrel 2 is further reduced or lower than the set value, the heating element 303 stops working, so that the situation that the heating element 303 is damaged due to dry combustion caused by overhigh temperature when the water level in the containing barrel 2 is too low can be effectively avoided, and the safety performance of products is improved.

Further, as shown in fig. 2-6, a guiding structure 4 is disposed at the bottom of the accommodating barrel 2 and is disposed in a spiral gradually changing manner around the central axis of the accommodating barrel 2, and the heating end surface of the heating module 3 is exposed at the low-level end of the guiding structure 4.

Specifically, the diversion structure 4 is in a spiral gradual change type and gradually becomes lower from high, so that the accumulated water in the containing barrel 2 is discharged to the outside, the accumulated water in the containing barrel 2 is thoroughly cleaned, and the drainage efficiency of the product is improved.

Further, as shown in fig. 2-6, the diversion structure 4 includes a first diversion portion 401 and a second diversion portion 402, the first diversion portion 401 is higher than the second diversion portion 402, a drain port 4021 is provided on the second diversion portion 402, and when draining, water in the containing barrel 2 is led into the first diversion portion 401 along the second diversion portion 402 and is drained from the drain port 4021; the heating end surface of the heating module 3 is exposed to the second guiding portion 402.

Specifically, after the washing machine is operated, the drain valve is opened, so that the accumulated water in the containing barrel 2 is led into the first flow guiding part 401 along the second flow guiding part 402, and is converged in the first flow guiding part 401 and discharged from the water outlet 4021, thereby realizing accumulated water cleaning in the containing barrel 2, avoiding the trouble of manually cleaning the accumulated water by a user and improving the use comfort of the product; because the first diversion part 401 is higher than the second diversion part 402, that is, the second diversion part 402 is at the low-level end, water is generally gathered at the second diversion part 402 at the low-level end, so that the dry burning condition of the heating module 3 is effectively avoided.

Further, as shown in fig. 3, the first diversion portion 401 is gradually inclined downward from the center of the container 2 along the direction of the second diversion portion 402.

Specifically, the above arrangement is adopted so that the water does not collect at the center position, and the water smoothly drains to the second flow guide 402 along the outer edge.

Further, as shown in fig. 2, 5 and 6, the opening 201 is located on the first guiding portion 401.

Specifically, since the first diversion portion 401 is higher than the second diversion portion 402, water generally gathers on the first diversion portion 401, so that on one hand, heating of water in the barrel 2 is facilitated, and on the other hand, damage caused by dry burning of the heating element 303 is reduced.

Further, as shown in fig. 2 and 4, a sealing structure is disposed between the heat conducting plate 302 and the opening 201, the sealing structure includes a sealing ring 5, a plugging groove 501 is disposed on the sealing ring 5, a protruding portion 2011 abutted against the plugging groove 501 is disposed on the periphery of the opening 201, wherein an inner ring of the sealing ring 5 is sleeved on the peripheral wall of the heat conducting plate 302, and the protruding portion 2011 is plugged on the plugging groove 501.

Specifically, the protruding portion 2011 is matched with the inserting groove 501, so that gaps are not easy to appear between the heat conducting disc 302 and the opening 201, the connection effect is improved, the sealing effect is ensured, and the water leakage is prevented.

Further, as shown in fig. 2 and 4, a connecting post 202 is provided on the bottom of the barrel 2, a connecting hole 3011 is provided on the base 301, the base 301 passes through the connecting hole 3011 by a fastener and is fixedly connected with the connecting post 202, and the base 301 cooperates with the barrel 2 to compress the sealing ring 5. Therefore, the sealing effect of the washing machine is improved, and the risk of water leakage is greatly reduced.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

It will be further understood that when interpreting the connection or positional relationship of elements, although not explicitly described, the connection and positional relationship are to be interpreted as including the range of errors that should be within an acceptable range of deviations from the particular values as determined by those skilled in the art. For example, "about," "approximately," or "substantially" may mean within one or more standard deviations, and is not limited herein.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The utility model provides a heating structure of portable washing machine, includes organism (1), its characterized in that: a containing barrel (2) for storing water is arranged in the machine body (1), a heating module (3) for heating water is arranged on the containing barrel (2), the heating module (3) is electrically connected with a main control module on the machine body (1), and a heating end face on the heating module (3) is exposed out of an inner cavity of the containing barrel (2) and is in contact with water; the bottom of the containing barrel (2) is provided with a flow guiding structure (4) which is arranged around the central axis of the containing barrel (2) in a spiral gradual change mode.

2. The heating structure of portable washing machine as claimed in claim 1, wherein: the heating module (3) comprises a base (301) and a heat conducting disc (302) arranged on the base (301), an opening (201) for the heat conducting disc (302) to pass through is formed in the bottom of the containing barrel (2), the heating end face of the heating module (3) is arranged on the heat conducting disc (302) and passes through the opening (201) to be exposed out of the bottom of the containing barrel (2), and the heat conducting disc (302) is arranged on the containing barrel (2).

3. The heating structure of the portable washing machine as claimed in claim 2, wherein: the heating module (3) further comprises a heating element (303), the heating element (303) is fixedly arranged on the inner side wall of the heat conducting disc (302), and the heat conducting disc (302) is positioned below the heating end face; the heating element (303) is an electric heating tube, an electric heating film or a PTC heating sheet, and the heating element (303) is electrically connected with the main control module.

4. A heating structure of a portable washing machine as claimed in claim 3, wherein: the heating module (3) further comprises a temperature controller (304) for monitoring the temperature of the heat conducting disc (302), the temperature controller (304) is electrically connected with the heating element (303), and the temperature controller (304) is arranged on the inner side wall of the heat conducting disc (302); when the temperature of the heat conducting disc (302) exceeds the temperature set by the temperature controller (304), the temperature controller (304) cuts off a circuit where the heating element (303) is located.

5. The heating structure of portable washing machine as claimed in claim 4, wherein: the water level detection device is characterized in that a temperature sensor (6) for detecting the water temperature of the water tank (2) and/or a water level probe (7) for detecting the water level height of the water tank (2) are arranged on the water tank (2); the temperature sensor (6) and/or the water level probe (7) are/is electrically connected with the main control module.

6. The heating structure of portable washing machine as claimed in claim 1, wherein: the heating end face of the heating module (3) is exposed out of the low-position end of the flow guiding structure (4).

7. The heating structure of portable washing machine as claimed in claim 6, wherein: the flow guiding structure (4) comprises a first flow guiding part (401) and a second flow guiding part (402), the first flow guiding part (401) is higher than the second flow guiding part (402), a water outlet (4021) is arranged on the second flow guiding part (402), and when water is discharged, water in the containing barrel (2) is led into the first flow guiding part (401) along the second flow guiding part (402) and is discharged from the water outlet (4021); the heating end face of the heating module (3) is exposed out of the second flow guiding part (402).

8. The heating structure of portable washing machine as claimed in claim 7, wherein: the first diversion part (401) is gradually inclined downwards along the direction of the second diversion part (402) from the center position of the containing barrel (2).

9. The heating structure of the portable washing machine as claimed in claim 2, wherein: be equipped with seal structure between heat conduction dish (302) with opening (201), seal structure includes sealing washer (5), be equipped with grafting groove (501) on sealing washer (5), the periphery of opening (201) be equipped with protruding portion (2011) of grafting groove (501) looks butt, wherein, the inner race cover of sealing washer (5) is established on the outer peripheral wall of heat conduction dish (302), protruding portion (2011) are pegged graft on grafting groove (501).

10. The heating structure of the portable washing machine as claimed in claim 9, wherein: the novel sealing ring is characterized in that a connecting column (202) is arranged at the bottom of the containing barrel (2), a connecting hole (3011) is formed in the base (301), the base (301) penetrates through the connecting hole (3011) through a fastener and is fixedly connected with the connecting column (202), and the base (301) is matched with the containing barrel (2) to tightly press the sealing ring (5).