CN112682945A

CN112682945A - Heating assembly and water heater

Info

Publication number: CN112682945A
Application number: CN202011627188.4A
Authority: CN
Inventors: 张世美; 王丽; 王明
Original assignee: Midea Group Co Ltd; Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-04-20

Abstract

The invention discloses a heating assembly and a water heater, wherein the heating assembly comprises a plurality of cup bodies, the cup bodies are arranged in parallel, water passing cavities are arranged in the cup bodies, and communicating pipes are arranged between the adjacent cup bodies to communicate the adjacent water passing cavities; the water inlet pipe is respectively connected with the plurality of cup bodies, a plurality of drainage holes are formed in the water inlet pipe, and each water passing cavity is communicated with the water inlet pipe through at least one drainage hole; the water outlet is connected with one of the cup bodies or the communicating pipe so as to discharge the liquid in the water passing cavity; and the plurality of heating elements are respectively and correspondingly connected with the plurality of cup bodies. According to the invention, the plurality of drainage holes are arranged, so that water flow can uniformly flow through the plurality of cup bodies, heating is more uniform, liquid is discharged together after heat exchange is completed through the plurality of water passing cavities respectively, and the water outlet quantity is increased; and a plurality of heating elements heat a plurality of cups respectively and rise the temperature, reduced heating element's work load, reduced the fault rate.

Description

Heating assembly and water heater

Technical Field

The invention relates to the technical field of hot water equipment, in particular to a heating assembly and a water heater.

Background

In the related art, the heating assembly of the instantaneous water heater product generally adopts a heating cup type with multiple pipelines arranged in series, and water flows into the heating cup at one side and flows out of the heating cup at the other side. The heating power of the instant water heater product is high, so that the requirement that the normal-temperature water can be instantly heated to hot water required by bathing is met, the volume of the heating cup needs to be designed to be small in product design, and the power of the heating tube needs to be designed to be large. Because the heating tube has thermal hysteresis, when the heating assembly adopts a heating cup form with a plurality of pipelines arranged in series, the last group of heating cups along the water flow direction can work at high temperature for a long time, so that the heating tube has the problems of high failure rate and short service life.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the heating assembly provided by the invention adopts a heating cup type with a plurality of pipelines arranged in parallel, so that the working load of a heating element is low, the failure rate is reduced, and the service life is prolonged.

The invention also provides a water heater with the heating assembly.

A heating assembly according to an embodiment of the first aspect of the invention comprises: the cup comprises a plurality of cup bodies, wherein the cup bodies are arranged in parallel, water passing cavities are formed in the cup bodies, and communicating pipes are arranged between the adjacent cup bodies so as to communicate the adjacent water passing cavities; the water inlet pipe is respectively connected with the plurality of cup bodies, a plurality of drainage holes are formed in the water inlet pipe, and each water passing cavity is communicated with the water inlet pipe through at least one drainage hole; the water outlet is connected with one of the cup body or the communicating pipe so as to discharge the liquid in the water passing cavity; and the heating elements are respectively and correspondingly connected with the cup bodies and used for heating the liquid in the water passing cavities.

The heating assembly provided by the embodiment of the invention has at least the following beneficial effects:

the cup bodies are arranged in parallel, the water inlet pipe is connected with the cup bodies and is provided with the drainage holes for injecting water into the water passing cavity, the heating element is used for heating liquid in the water passing cavity, and water flow can uniformly flow through the cup bodies through the drainage holes, so that the difference of flow and pressure among the cup bodies is reduced, and the heating is more uniform; the communicating pipe is used for communicating the multiple water passing cavities, the water outlet pipe is connected with the cup body or the communicating pipe and used for discharging liquid in the multiple water passing cavities, so that the liquid can be discharged through the water outlet pipe after heat exchange is finished through the multiple water passing cavities respectively, the heat exchange performance is improved, the water outlet amount is improved, and the stability of the water outlet temperature is improved; and a plurality of heating element heats the intensification to a plurality of cups respectively, has reduced heating element's work load for heating element's fault rate is low, has prolonged life.

According to some embodiments of the invention, the water inlet pipe comprises a flow dividing pipe section, the plurality of drainage holes are arranged in the flow dividing pipe section, the plurality of cup bodies are correspondingly provided with through holes, and the flow dividing pipe section is sequentially arranged on the through holes of the plurality of cup bodies in a penetrating manner, so that the plurality of drainage holes are respectively and correspondingly arranged in the plurality of water passing cavities.

According to some embodiments of the invention, the drainage holes are formed in the wall of the flow distribution pipe section and are arranged towards the water outlet end of the cup body.

According to some embodiments of the present invention, the plurality of cup bodies are integrally formed, one end of each of the plurality of cup bodies in a length direction is a water inlet end, and the water inlet pipe is connected to the water inlet ends of the plurality of cup bodies.

According to some embodiments of the invention, the water inlet pipe further comprises an extension pipe section, one end of the extension pipe section is connected with the diversion pipe section, and the other end of the extension pipe section extends in the length direction of the cup body.

According to some embodiments of the invention, the water inlet pipe further comprises a bent pipe section, one end of the bent pipe section is connected with the extending pipe section, and the other end of the bent pipe section extends to one side far away from the cup body.

According to some embodiments of the invention, the heating assembly further comprises a water inlet connector, the bent pipe section is connected to the water inlet connector, and the water inlet connector is arranged in parallel or perpendicular to the cup body.

According to some embodiments of the invention, the water inlet pipe is connected to one end of the cup body in the length direction, and the water outlet pipe is connected to the other end of one of the cup bodies in the length direction.

According to some embodiments of the invention, the water inlet pipe is connected to a lower portion of the cup body, and the water outlet is provided at an upper portion of the cup body.

According to some embodiments of the present invention, the communication pipe is connected to an upper portion of the cup body, and the communication pipe is integrally formed with a plurality of the cup bodies.

According to some embodiments of the present invention, a horizontal height of the water outlet is greater than or equal to a horizontal height of the communicating pipe.

According to some embodiments of the invention, the water outlet is integrally formed with the cup body, and the water outlet is connected with a water outlet pipe or a water outlet joint.

According to some embodiments of the invention, the heating element comprises a heating pipe, and the heating pipe is hermetically connected with the upper part of the cup body and is positioned in the water passing cavity.

The water heater according to the second aspect of the present invention includes the heating assembly of the above embodiments, and further includes a controller, and the plurality of heating elements are arranged in parallel and are respectively connected to the controller.

The water heater provided by the embodiment of the invention at least has the following beneficial effects:

by adopting the heating assembly of the embodiment of the first aspect, the heating assembly is provided with the plurality of cup bodies which are arranged in parallel, the water inlet pipe is respectively connected with the plurality of cup bodies and is provided with the drainage holes for injecting water into the water passing cavity, the heating element is used for heating the liquid in the water passing cavity, and the plurality of drainage holes enable water flow to uniformly flow through the plurality of cup bodies, so that the difference of flow and pressure among the plurality of cup bodies is reduced, and the heating is more uniform; the communicating pipe is used for communicating the multiple water passing cavities, the water outlet pipe is connected with the cup body or the communicating pipe and used for discharging liquid in the multiple water passing cavities, so that the liquid can be discharged through the water outlet pipe after heat exchange is finished through the multiple water passing cavities respectively, the heat exchange performance is improved, the water outlet amount is improved, and the stability of the water outlet temperature is improved; and a plurality of heating element parallel arrangement, the controller is connected a plurality of heating element respectively in order to heat the intensification respectively to a plurality of cups, has reduced heating element's work load, has reduced the fault rate of water heater, has prolonged life.

According to some embodiments of the invention, the water heater further comprises a shell, the heating assembly is arranged in the shell, the water inlet pipe is connected with a water inlet joint, the water outlet pipe is connected with a water outlet joint, and the water inlet joint and the water outlet joint are respectively and correspondingly arranged on two side walls of the shell.

According to some embodiments of the invention, the housing includes a bottom shell, and the heating assembly further includes a mounting bracket for securing the cup, the mounting bracket being secured to the bottom shell.

According to some embodiments of the invention, the water heater further comprises a plurality of temperature sensors connected to the controller for sensing temperatures within a plurality of the water cavities.

According to some embodiments of the invention, the water heater further comprises a thyristor for adjusting the heating power of the heating element, and the thyristor is arranged on the extension pipe section of the water inlet pipe.

According to some embodiments of the present invention, a flow sensor is disposed on the water inlet pipe, the flow sensor is connected to the controller, and the controller is configured to control the heating power of the corresponding heating element according to the water inlet flow of the water inlet pipe and the water inlet temperature of the water passing cavities.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention is further described with reference to the following figures and examples, in which:

FIG. 1 is a schematic structural view of a heating assembly according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a heating assembly according to an embodiment of the present invention, with the heating element removed;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a cross-sectional view of section A-A of FIG. 3;

FIG. 5 is an enlarged view at C of FIG. 4;

FIG. 6 is a cross-sectional view of section B-B of FIG. 3;

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

FIG. 8 is a schematic structural view of a heating assembly according to another embodiment of the present invention;

FIG. 9 is a schematic structural view of a heating assembly according to another embodiment of the present invention;

fig. 10 is a schematic structural diagram of a water heater according to an embodiment of the invention.

Reference numerals:

a heating assembly 1000;

a cup body 100; a water passing cavity 110; a temperature controller fixing piece 120;

a heating element 200; a mounting head 210; a pin 220;

a water inlet pipe 300; a drainage hole 310; a water inlet fitting 320; a manifold section 330; an extension tube segment 340; bending the tube section 350;

a water outlet 400; a water outlet pipe 410; a water outlet joint 420;

a communication pipe 500;

a mounting bracket 600; a support plate 610; mounting the support lug 620;

a housing 700; a bottom chassis 710; a sidewall 720;

a temperature sensor 800;

a controller 900; a thyristor 910.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to, for example, the upper, lower, etc., is indicated based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, a plurality means two or more. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1, 3 and 4, a heating assembly 1000 according to an embodiment of the present invention is applied to a hot water device, particularly a high-power instant hot water device, such as an instant water heater, an instant water dispenser, an intelligent toilet, a bathroom device, and the like. The heating assembly 1000 according to the embodiment of the present invention includes a plurality of cups 100 and a plurality of heating elements 200 connected to the plurality of cups 100, wherein the plurality of heating elements 200 are provided, and the plurality of heating elements 200 are respectively connected to the plurality of cups 100, and are configured to heat liquid in the plurality of cups 100. The plurality of cup bodies 100 are arranged in parallel to form a parallel heating cup structure, the parallel arrangement here can be understood as a structure formed by arranging the plurality of cup bodies 100 side by side, wherein one ends of the plurality of cup bodies 100 are respectively communicated with the water inlet pipeline, and the other ends of the plurality of cup bodies 100 are communicated with the water outlet pipeline. Each cup body 100 is provided with a water passing cavity 110, water flows in the water passing cavity 110 of the cup body 100, and the heating element 200 can heat the water flowing in the water passing cavity 110, so that cold water passes through the water passing cavity 110 and is heated into hot water. The parallel heating cup structure enables the plurality of heating elements 200 to all work under normal load, and provides a large flow of hot water by the simultaneous work of the plurality of heating cups.

Referring to fig. 2, 3 and 4, it can be understood that the heating assembly 1000 according to the embodiment of the present invention further includes a water inlet pipe 300 and a water outlet 400, the water inlet pipe 300 is respectively connected to the plurality of cups 100, the water inlet pipe 300 may be sequentially connected to outer walls of the plurality of cups 100, may be sequentially inserted into the plurality of cups 100, or may be divided into a plurality of branches, and each branch is respectively inserted into the plurality of cups 100, which is not limited in detail herein.

The water inlet pipe 300 is provided with a plurality of drainage holes 310, and each water passing cavity 110 is communicated with the water inlet pipe 300 through at least one drainage hole 310, i.e. one or more drainage holes 310 can be provided in the water passing cavity 110 of each cup body 100, which is not particularly limited herein. In this embodiment, the plurality of drainage holes 310 are respectively communicated with the water passing cavities 110 of the cups 100 in a one-to-one correspondence manner, the drainage holes 310 are used for injecting water into the water passing cavities 110, and the drainage holes 310 are configured to enable water flow of the water inlet pipe 300 to uniformly flow through the plurality of cups 100, so that differences of flow and pressure among the plurality of cups 100 are reduced, heating is more uniform, and the heating performance of the heating assembly 1000 is improved.

Referring to fig. 4, it can be understood that a communication pipe 500 is disposed between adjacent cup bodies 100, the communication pipe 500 is used to communicate adjacent water passing chambers 110, and the water outlet 400 and the water inlet 300 are spaced apart along the length direction of the cup bodies 100 (i.e., the upper-lower direction in fig. 4), so as to construct a plurality of heating cup structures arranged in parallel, for example, the water outlet 400 may be disposed in the middle or upper region of the cup body 100, and the water inlet 300 may be disposed in the lower region of the cup body 100. The water outlet 400 is connected with one of the cup bodies 100 or one of the communicating pipes 500, the water outlet 400 is used for discharging hot water in the multiple water passing cavities 110 out of the cup body 100, so that liquid can be discharged through the water outlet 400 after heat exchange is completed through the multiple water passing cavities 110 respectively, the heat exchange performance is improved, the water outlet amount is increased, and the stability of the water outlet temperature is improved. Moreover, the heating element 200 heats the water in the plurality of cup bodies 100 respectively, so that the working load of the heating element 200 is reduced, the failure rate of the heating element 200 is low, and the service life is prolonged.

It can be understood that, compared with the structure in which a plurality of heating cups are connected in series, the heating assembly 1000 according to the embodiment of the present invention can avoid the situations that the service life of the heating element 200 is short, the heating element 200 is burnt, tube burst, electric leakage, etc., and the situation that the temperature of the water-off liner is increased, and the user is suddenly scalded by too high water temperature within several seconds after normal use.

Referring to fig. 4 and 5, it can be understood that the water inlet pipe 300 includes a flow dividing pipe section 330, a plurality of drainage holes 310 are provided in the flow dividing pipe section 330, through holes (not shown) are correspondingly provided in the plurality of cup bodies 100, and the flow dividing pipe section 330 is sequentially arranged through the through holes of the plurality of cup bodies 100, so that the plurality of drainage holes 310 are respectively and correspondingly provided in the plurality of water passing cavities 110. The design that reposition of redundant personnel pipeline section 330 wore to locate cup 100 can increase inlet tube 300's structural strength, strengthens the stability of being connected between inlet tube 300 and the cup 100, reduces inlet tube 300 and takes place the risk that drops or bend. Moreover, the shunt pipe section 330 and the outer wall of the cup body 100 form a stable connection structure through welding, and the processing is more convenient. Referring to fig. 6, the diversion pipe section 330 may be disposed through the middle of the cup body 100, and the end of the diversion pipe section 330 may be disposed in the last cup body 100 in the penetrating direction or may penetrate the last cup body 100, which is not limited in detail herein. The drainage holes 310 are formed in the water passing cavity 110, so that water flow can be directly injected into the corresponding water passing cavity 110, and the water leakage risk of the water inlet pipe 300 is reduced.

Referring to fig. 4 and 5, it can be understood that the drainage holes 310 are opened on the pipe wall of the diversion pipe section 330, and the drainage holes 310 are correspondingly arranged in each cup body 100, and the drainage holes 310 are arranged towards the water outlet end of the cup body 100. The heating assembly 1000 guides water flow through the drainage holes 310, so that the water flow forms a vortex on the inner wall of the cup body 100, the vortex can increase the contact area of the water and the surface of the heating element 200, increase the contact time of the water and the surface of the heating element 200, quickly take away the heat of the heating element 200, reduce the heat density of the heating element 200 during working, prolong the service life of the heating element 200 and reduce the fault rate of the heating element 200. By means of the flow dividing pipe section 330 connected to the lower portion of the cup body 100 in a penetrating manner, the drainage holes 310 can be designed to have different hole diameters, different positions in the axial direction of the flow dividing pipe section 330, different positions in the circumferential direction of the flow dividing pipe section 330, different orientations, and other characteristics. And according to the structure and the position of every cup 100 of heating element 1000, carry out solitary design to drainage hole 310 respectively, thereby can adjust the inflow of unit interval in the cup 100 that corresponds, thereby the discharge through every cup 100 in the control unit interval is the same, make every cup 100 intake more even, the difference of the flow and the pressure between a plurality of cups 100 has been reduced, it is more even to heat, rivers evenly distributed can play critical effect in heating element 1000's control and safety.

It should be further noted that, in the heating assembly 1000 according to an embodiment of the present invention, a split-type assembly structure of the water inlet pipe 300 and the plurality of cup bodies 100 is adopted, and compared with a conventional integrally formed structure, the present embodiment can conveniently adjust parameters of the plurality of drainage holes 310 on the diversion pipe section 330 and then insert the drainage holes into the cup bodies 100 to realize assembly, so that the water inlet flow of each cup body 100 can be independently adjusted, the adjustment is more convenient, the defect that a set of new mold needs to be designed after each adjustment of the conventional integrally formed structure is overcome, the mold cost is saved, and the production cost is greatly reduced.

Referring to fig. 1 and 4, it can be understood that the plurality of cup bodies 100 are integrally formed, so that the structural strength is higher, the risk of water leakage is reduced, the product quality is improved, the installation process is reduced, and the assembly efficiency is improved. It can be understood that the cup body 100 can be made of metal materials such as stainless steel, copper and the like, the metal materials are convenient to machine and form, the structure is stable, and the durability is good. One end of each of the cup bodies 100 along the length direction is a water inlet end, the water inlet pipe 300 is respectively connected with the water inlet ends of the cup bodies 100, water flow of the water inlet pipe 300 can be uniformly distributed on each cup body 100, the water flow of each cup body 100 is heated by the heating element 200, cold water is heated into hot water through the water passing cavity 110, and the stability of water temperature at the water outlet 400 is guaranteed.

Referring to fig. 1 and 2, it can be understood that the water inlet pipe 300 further includes an extension pipe segment 340, one end of the extension pipe segment 340 is connected to the diversion pipe segment 330, the other end of the extension pipe segment 340 extends in the length direction of the cup body 100, and the extension pipe segment 340 enables the water inlet pipe 300 to adjust its installation position in the up-and-down direction shown in fig. 1, facilitates the position arrangement of the water inlet pipe 300, and enables the water inlet pipe 300 to be adapted to the requirements of different installation environments.

Referring to fig. 1 and 2, it can be understood that the water inlet pipe 300 further includes a bent pipe section 350, one end of the bent pipe is connected to the extension pipe section 340, the other end of the bent pipe section 350 extends to one side away from the cup body 100, and the bent pipe section 350 enables the water inlet pipe 300 to change its extension direction, i.e., the installation position of the water inlet pipe 300 can be adjusted in the left-right direction shown in fig. 1, so that the water inlet pipe 300 can be conveniently arranged, and the water inlet pipe 300 can meet the requirements of more different installation environments.

Referring to fig. 1 and 2, it can be understood that the heating assembly 1000 further includes a water inlet joint 320, the bent pipe section 350 is connected to the water inlet joint 320, the water inlet joint 320 may be disposed perpendicular to the cup body 100 (as shown in fig. 1), and the water inlet joint 320 may also be disposed parallel to the cup body 100 (as shown in fig. 9), so that the water inlet joint 320 can select different installation directions according to different installation environments, and thus the heating assembly 1000 is more versatile in installation.

It is understood that the heating element 200 may adopt a structure of a heating tube, a heating wire, a ceramic heater, etc., and is not limited herein, and is selected according to the actual needs of the product, for example, according to parameters such as water yield per unit time, heating power, product size, etc.

Referring to fig. 2, it can be understood that the heat generating element 200 includes a heat generating tube (not shown). The plurality of heating tubes are respectively positioned in the corresponding water passing cavities 110. The inlet pipe 300 is connected to one end of the cup body 100 in a length direction (i.e., up and down direction in fig. 2), the outlet 400 is connected to the other end of one of the cup bodies 100, the inlet pipe 300 and the outlet 400 are respectively located at both ends of the cup body 100 in the length direction, for example, the inlet pipe 300 is located at a lower region of the cup body 100, and the outlet 400 is located at an upper region of the cup body 100. This design can make the rivers in every cup 100 of parallelly connected setting can both flow through whole water cavity 110 to carry out abundant heat exchange back with the heating tube, assemble to cup 100's tip again, discharge through delivery port 400 at last, thereby make the rivers heating through heating element 1000 more even, leaving water temperature is more stable, and the water yield is bigger.

Referring to fig. 1 and 2, it can be understood that the water inlet pipe 300 is connected to the lower portion of the cup body 100, the water inlet pipe 300 is communicated with the water passing chamber 110, the water outlet 400 is connected to the upper portion of the cup body 100, and the water outlet 400 is communicated with the water passing chamber 110. Rivers pass through the regional entering of the lower part of cup 100 and cross water cavity 110, rivers flow from up direction down, take away the heat of heating tube, and cross water cavity 110 through the regional discharge in upper portion of cup 100, the heating tube realizes the thermal convection heating to rivers, the temperature risees, the upper portion temperature of cup 100 is high, the lower part temperature of cup 100 is low, hot water after the heating rises, unheated cold water is still in the lower part of cup 100, the heat on heating tube surface can effectively be taken away to the rivers. In addition, a water guide channel structure or a structure with a plurality of heating tubes connected in parallel can be arranged in the cup body 100, so that the area and time of thermal convection can be increased under the requirements of high power and large flow, the requirement of instantaneous water heating is met, and the user experience is improved.

It will be appreciated that the drainage holes 310 provided at the junction of the inlet pipe 300 and the cup 100 provide uniform flow distribution, and that the uniform distribution of water flow in a multiple cup 100 parallel configuration can play a critical role in the control and safety of the heating assembly 1000. Simultaneously, the heating tube adopts the condition of thermal convection heating, and lower part temperature is lower in the cup 100, and hot water after a plurality of cup 100 connect in parallel this moment mixes the back at the top, can effectively reduce the condition that rivers temperature is suddenly high, makes the temperature more invariable, comfortable, has further promoted user experience.

Referring to fig. 4, it can be understood that communicating pipe 500 is connected to the upper portion of cup 100, communicating pipe 500 is communicated with water passing chambers 110 of multiple cups 100, communicating pipe 500 enables hot water flowing from bottom to top in water passing chambers 110 of multiple cups 100 to be gathered on the upper portions of cups 100, hot water is mixed after multiple cups 100 are heated, thereby effectively reducing the difference of water temperature, avoiding the situation that water temperature at water outlet 400 is suddenly high, and enabling the hot water temperature discharged at water outlet 400 to be more constant. It should be noted that, the communicating pipe 500 and the plurality of cup bodies 100 are integrally formed, so that the structural strength is higher, the risk of water leakage is reduced, the product quality is improved, the installation process is reduced, and the assembly efficiency is improved.

Referring to fig. 1 and 7, it can be understood that the heating pipe is located in the water passing cavity 110, and the heating pipe is arranged through the center of the water passing cavity 110 for heating the water in the water passing cavity 110. The heating tube can be in a U-shaped structure or a spiral structure, fins can be arranged on the surface of the heating tube, and the specific form of the heating tube is not limited in detail. The heating tube is provided with a mounting head 210, one end of the mounting head 210 is connected with the heating tube, the other end of the mounting head 210 is hermetically connected with the upper part of the cup body 100, extends out of the cup body 100 and is connected with an external power supply through a pin 220, and therefore power supply to the heating tube is achieved.

Referring to fig. 1 and 2, it can be understood that the heating tube is hermetically connected to the upper portion of the cup body 100, for example, by screwing the mounting head 210 to the upper opening of the cup body 100, so as to prevent water leakage from occurring in the cup body 100 and improve the structural stability of the heating assembly 1000. In addition, the cup body 100 and the heating tube can be conveniently assembled, and the working efficiency of the production line is improved.

Referring to fig. 4 and 6, it can be understood that the cup body 100 is a long columnar structure, and the heating tube is installed in the cup body 100, so that the amount of water that needs to be heated by the heating tube in a unit time is reduced, and the effect of instantly heating the water can be satisfied even when the water contacts the heating tube in a short time.

It is understood that the inner wall of the cup body 100 is provided with a flow guiding plate (not shown), which extends along the length direction of the cup body 100 and is in a spiral shape. The heating tube is disposed inside the cup body 100 for heating water entering the water passing cavity 110, and the flow deflector surrounds the heating tube and forms a spiral flow guide channel (not shown) with the heating tube. Wherein, water conservancy diversion water course extends the setting to the upper portion of cup 100 by the lower part of cup 100, can increase the area of contact and the contact time of water and the heating tube that flows through water conservancy diversion water course for water can be abundant carry out the heat exchange with the heating tube at spiral rising in-process. It should be noted that the water inlet pipe 300 is connected to the cup body 100 and is communicated with the guide water passage, and the water inlet pipe 300 is used for delivering water into the guide water passage at the inner lower end of the cup body 100. The water outlet 400 is communicated with the water passing chamber 110, the water outlet 400 is provided at the upper portion of the cup body 100, and the water outlet 400 can deliver the water flowing from the lower portion of the cup body 100 to the upper portion of the cup body 100 to the outside of the cup body 100. Therefore, tap water injected from the water inlet pipe 300 continuously flows into the cup body 100 through the water inlet pipe 300, the water spirally flows upwards from the lower end of the water guide channel to the upper end of the water guide channel, the heating pipe continuously heats the flowing water in the rising process of the water flow, the heat exchange is fully carried out with the heating pipe, and the heated hot water is discharged out of the cup body 100 through the water outlet 400 for users to use.

It can be understood that, for the spiral helicine water conservancy diversion water course of cooperation, the heating tube adopts helical structure's heating pipe, can further increase the area of contact and the contact time of the water of flowing through the water conservancy diversion water course and heating tube for water can be abundant carry out the heat exchange with the heating tube at spiral rising in-process, and then can effectively take away the heat on heating tube surface, reduce the heat density of heating tube during operation, thereby reduce the fault rate of heating tube, the life of heating tube is strengthened in the extension.

Referring to fig. 4 and 6, it can be understood that the horizontal height of the water outlet 400 is greater than or equal to the horizontal height of the communicating pipe 500, so that hot water in the water passing cavities 110 of the cup bodies 100 can be gathered and fully mixed, and then discharged through the water outlet 400, thereby stabilizing and balancing the water outlet and improving user experience.

Referring to fig. 1 and 9, the water outlet 400 is integrally formed with the cup body 100, so that the structural strength is high, the risk of water leakage is reduced, the product quality is improved, the installation process is reduced, and the assembly efficiency is improved. The water outlet 400 may be connected to a water outlet connector 420 (as shown in fig. 1), and the water outlet 400 may also be connected to a water outlet pipe 410 (as shown in fig. 9), so as to meet the structural layout and installation requirements of the heating assembly 1000.

For example, referring to fig. 1, the heating assembly 1000 includes two cups 100 connected in parallel, the heating assembly 1000 is installed on a water heater, during operation of the water heater, tap water enters the heating assembly 1000 through the water inlet pipe 300, cold water is respectively injected into the two cups 100 through the drainage holes 310 of the water inlet pipe 300 to form two water flows, the two water flows simultaneously circulate in the two cups 100 and simultaneously exchange heat with the heating element 200, the temperature of the water flows of the two cups 100 is raised from bottom to top, and when the water flows out of the water outlet 400, the heat exchange process of the water flows is completed, so that the temperature of the water flows is rapidly raised. The embodiment of the invention adopts a form of two parallel cups 100, two heating pipes are respectively positioned in the two cups 100, and the two heating pipes share approximately the same electric power respectively and heat circulating water at the same time. Under the same flow and heating tube power, the top outlet water temperatures of the two cups 100 are basically the same, so the power borne by the heating tubes of the two cups 100 is also the same, and the heating assembly 1000 can be effectively protected.

Further, the upper portions of the two cups 100 are connected by a communication pipe 500 so that the water passing chambers 110 of the two cups 100 are communicated. The water outlet 400 is connected with the upper part of one of the cup bodies 100, and the water inlet pipe 300 is connected with the lower parts of the two cup bodies 100, so that the structural layout of the heating assembly 1000 is facilitated, the positions of the water inlet pipe 300 and the water outlet 400 are favorably arranged, and the water inlet pipe 300 and the water outlet 400 are convenient to take over. Of course, the water inlet pipe 300 and the water outlet 400 may be connected to one of the cups 100 at the same time or located on the same side of a plurality of cups 100 according to product requirements, and are not limited in detail.

For example, referring to fig. 8, in a heating assembly 1000 according to an embodiment of the present invention, three cup bodies 100 may be provided, three cup bodies 100 are connected in parallel, two communicating pipes 500 are provided, and are respectively located between upper portions of two of the cup bodies 100, so that water passing chambers 110 of the three cup bodies 100 are communicated, a water inlet pipe 300 is inserted from a lower portion of one of the cup bodies 100, a water outlet 400 is provided at an upper portion of a last cup body 100 along a direction in which the water inlet pipe 300 is inserted, and the water outlet 400 and the communicating pipes 500 are located at the same horizontal height. Depending on the power and water requirements, the heating assembly 1000 may be provided with four cups 100, five cups 100, or even more cups 100 in parallel, and is not limited in detail herein.

Referring to FIG. 10, a water heater, such as a tankless water heater, is shown in accordance with an embodiment of the present invention. It can be understood that the water heater of the present embodiment includes the heating assembly 1000 of the first aspect embodiment, the heating assembly 1000 is provided with a plurality of cup bodies 100 arranged in parallel, the water inlet pipe 300 is connected to the plurality of cup bodies 100 respectively and is provided with the drainage hole 310 for injecting water into the water passing cavity 110, the heating element 200 is used for heating the liquid in the water passing cavity 110, the plurality of drainage holes 310 enable the water flow to uniformly flow through the plurality of cup bodies 100, so that the difference of flow and pressure between the plurality of cup bodies 100 is reduced, and the heating is more uniform; the communicating pipe 500 is used for communicating the multiple water passing cavities 110, and the water outlet pipe 410 is connected with the cup body 100 or the communicating pipe 500 and used for discharging liquid in the multiple water passing cavities 110, so that the liquid can be discharged through the water outlet pipe 410 after heat exchange is completed through the multiple water passing cavities 110 respectively, the heat exchange performance is improved, the water outlet amount is improved, and the stability of the water outlet temperature is improved; and a plurality of heating elements 200 are arranged in parallel, and the controller 900 is respectively connected with the plurality of heating elements 200 to respectively heat and raise the temperature of the plurality of cup bodies 100, so that the working load of the heating elements 200 is reduced, the failure rate of the water heater is reduced, and the service life is prolonged.

Referring to fig. 10, the water heater of an embodiment of the present invention further includes a controller 900, the plurality of heating elements 200 are connected in parallel and are respectively connected to the controller 900, and the controller 900 controls the plurality of heating elements 200 to control the outlet water temperature and the outlet water flow of the heating assembly 1000, so as to realize intelligent control of the water heater.

Referring to fig. 1 and 8, the outlet 400 is provided with an outlet joint 420, and the inlet 300 is provided with an inlet joint 320, and for the convenience of installation, the outlet joint 420 and the inlet joint 320 are disposed at the same level, for example, also disposed at the upper portion of the cup body 100. Referring to fig. 9, the outlet joint 420 and the inlet joint 320 may be similarly disposed at the lower portion of the cup body 100. Of course, the water outlet joint 420 and the water inlet joint 320 can also be arranged in the middle of the cup body 100 according to actual needs.

Referring to fig. 1 and 10, the water heater according to the embodiment of the invention further includes a housing 700, the heating assembly 1000 is disposed in the housing 700, and the housing 700 is wrapped around the heating assembly 1000 to protect the heating assembly 1000 and achieve the effects of dust prevention and collision prevention. The water inlet joint 320 and the water outlet joint 420 are respectively and correspondingly arranged on the two side walls 720 of the shell 700, so that the water heater is conveniently and respectively connected with the water inlet pipeline and the water outlet pipeline, and the installation convenience is improved. It should be noted that, mounting holes (not shown in the figures) are respectively formed on two side walls 720 of the housing 700, the water inlet connector 320 and the water outlet connector 420 are respectively fixed on the corresponding side walls 720, and part of the water inlet connector and the water outlet connector extend out of the housing 700 through the mounting holes, so that the water inlet connector and the water outlet connector can be rapidly mounted on the water inlet pipeline and the water outlet pipeline, and the mounting efficiency is improved.

Referring to fig. 7, it can be understood that the heating assembly 1000 further includes a mounting bracket 600, the mounting bracket 600 is used for fixing a plurality of cups 100 arranged in parallel, and in addition, the mounting bracket 600 can fix the water inlet pipe 300 or the water outlet 400, so that the heating assembly 1000 can be stably mounted on the water heater. The mounting bracket 600 includes a support plate 610 and a mounting lug 620, the support plate 610 is fixedly connected to at least a portion of the outer wall of the plurality of cups 100, so as to fix the plurality of cups 100, the mounting lugs 620 are located at two ends of the support plate 610, or are disposed in the middle of the support plate 610, the support plate 610 and the plurality of cups 100 can be fixed to the water heater together through the mounting lugs 620, and the structure is simple and stable.

Referring to fig. 10, it can be understood that the housing 700 includes a bottom case 710, and the mounting bracket 600 is fixed to the bottom case 710, so that the heating assembly 1000 is integrally fixed to the housing 700 to form a stable structure, and the heating assembly 1000 is prevented from being separated from the housing 700, so that the overall stability of the water heater is higher, and the storage and transportation safety is improved.

Referring to fig. 10, the water heater according to an embodiment of the present invention further includes a temperature sensor 800, and referring to fig. 1 and 6, a thermostat fixing plate 120 is further disposed on an outer wall of the cup body 100 for fixing the temperature sensor 800, the temperature sensor 800 is used for collecting temperature parameters in the water passing cavity 110, and the temperature sensor 800 is connected to the controller 900, so that the controller 900 can adjust the performance of the heating assembly 1000 according to the temperature of water in the water passing cavity 110.

Referring to fig. 10, the water heater according to an embodiment of the present invention further includes a thyristor 910, the thyristor 910 is connected to the controller 900 and the heating element 200, the thyristor 910 and the controller 900 are both installed in the housing 700, the thyristor 910 is used to adjust the heating power of the heating element 200, and the thyristor 910 is disposed on the extension pipe section 340 of the water inlet pipe 300. It should be noted that, the thyristor 910 generates heat during the working process, the thyristor 910 is installed in the extension pipe segment 340, so that the installation and arrangement are convenient, the cold water in the water inlet pipe 300 can be used for cooling the thyristor 910, the heat of the thyristor 910 can be dissipated, and the performance of the thyristor 910 can be improved. In addition, the thyristor 910 can also heat up the cold water in the water inlet pipe 300, and the energy consumption of the heating assembly 1000 is reduced.

Referring to fig. 10, it can be understood that a flow sensor (not shown in the figure) is disposed on the water inlet pipe 300, the flow sensor is connected to the controller 900, and the controller 900 can control the thyristors 910 to adjust the heating powers of the corresponding heating elements 200 respectively according to the water inlet flow of the water inlet pipe 300 and the water inlet temperatures of the multiple water passing cavities 110, so as to control the water outlet temperature of the heating assembly 1000, facilitate the adjustment of the water outlet temperature, further improve the stability of the water outlet temperature, and further realize the intelligent control of the water heater.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A heating assembly, comprising:

the cup comprises a plurality of cup bodies, wherein the cup bodies are arranged in parallel, water passing cavities are formed in the cup bodies, and communicating pipes are arranged between the adjacent cup bodies so as to communicate the adjacent water passing cavities;

the water inlet pipe is respectively connected with the plurality of cup bodies, a plurality of drainage holes are formed in the water inlet pipe, and each water passing cavity is communicated with the water inlet pipe through at least one drainage hole;

the water outlet is connected with one of the cup body or the communicating pipe so as to discharge the liquid in the water passing cavity;

and the heating elements are respectively and correspondingly connected with the cup bodies and used for heating the liquid in the water passing cavities.

2. The heating assembly of claim 1, wherein: the inlet tube includes the reposition of redundant personnel pipeline section, and is a plurality of the drainage hole set up in the reposition of redundant personnel pipeline section, it is a plurality of the cup corresponds and sets up the through-hole, the reposition of redundant personnel pipeline section is worn to locate a plurality of in proper order the cup on the through-hole, so that it is a plurality of the drainage hole corresponds the setting respectively and is in a plurality of cross the water cavity.

3. The heating assembly of claim 2, wherein: the drainage hole is arranged on the pipe wall of the flow distribution pipe section and faces the water outlet end of the cup body.

4. The heating assembly of claim 1, wherein: it is a plurality of cup integrated into one piece, it is a plurality of the cup is along length direction's one end for intaking the end, the inlet tube respectively with a plurality of the cup is intake and is held and be connected.

5. The heating assembly of claim 2, wherein: the water inlet pipe also comprises an extension pipe section, one end of the extension pipe section is connected with the shunt pipe section, and the other end of the extension pipe section extends to the length direction of the cup body.

6. The heating assembly of claim 5, wherein: the water inlet pipe further comprises a bending pipe section, one end of the bending pipe section is connected with the extending pipe section, and the other end of the bending pipe section extends to one side far away from the cup body.

7. The heating assembly of claim 6, wherein: the heating assembly further comprises a water inlet connector, the bending pipe section is connected to the water inlet connector, and the water inlet connector and the cup body are arranged in parallel or vertically.

8. The heating assembly of claim 1, wherein: the water inlet pipe is connected with one end of the cup body in the length direction, and the water outlet is connected with the other end of the cup body in the length direction.

9. The heating assembly of claim 1, wherein: the water inlet pipe is connected to the lower part of the cup body, and the water outlet is arranged on the upper part of the cup body.

10. The heating assembly of claim 1, wherein: the communicating pipe is connected to the upper portion of the cup body, and the communicating pipe and the cup bodies are integrally formed.

11. The heating assembly of claim 1, wherein: the horizontal height of the water outlet is larger than or equal to the horizontal height of the communicating pipe.

12. The heating assembly of claim 1, wherein: the water outlet and the cup body are integrally formed, and the water outlet is connected with a water outlet pipe or a water outlet joint.

13. The heating assembly of claim 1, wherein: the heating element comprises a heating tube, the heating tube is connected with the upper part of the cup body in a sealing way and is positioned in the water passing cavity.

14. The water heater, its characterized in that: the water heater comprises the heating assembly of any one of claims 1 to 13, and further comprises a controller, wherein a plurality of heating elements are arranged in parallel and are respectively connected with the controller.

15. The water heater according to claim 14, wherein: the water heater still includes the shell, place in the heating element the shell, advance water piping connection and have water supply connector, the delivery port is connected with water connectors, water supply connector with water connectors corresponds respectively and locates two lateral walls of shell.

16. The water heater according to claim 15, wherein: the shell comprises a bottom shell, the heating assembly further comprises a mounting support used for fixing the cup body, and the mounting support is fixed on the bottom shell.

17. The water heater according to claim 14, wherein: the water heater also comprises a plurality of temperature sensors, and the temperature sensors are connected with the controller and used for detecting the temperature in the water passing cavity.

18. The water heater according to claim 14, wherein: the water heater also comprises a controllable silicon, the controllable silicon is used for adjusting the heating power of the heating element, and the controllable silicon is arranged on the extension pipe section of the water inlet pipe.

19. The water heater according to claim 14, wherein: set up flow sensor on the inlet tube, flow sensor with the controller is connected, the controller is used for according to the inflow of inlet tube is with a plurality of the temperature of intaking in the chamber of crossing water controls respectively the correspondence heating element's heating power.