A thick / thin film electric heating tube type electric water heater

Abstract

A thick / thin film electric heating tube type electric water heater comprises a thick / thin film electric heating tube, and also comprises a shell, a water inlet guide member and a water outlet guide member, wherein the water inlet guide body of the water inlet guide member is inserted into the upper interface of the shell, the upper arc-shaped plug body is inserted into the upper end of the arc-shaped water channel, and the interface pipe connected to the water inlet channel is inserted into the water inlet guide hole; the lower arc-shaped plug body of the water outlet guide member is inserted into the arc-shaped water channel, the water outlet guide pipe is connected to the lower end of the water inlet channel, and the return guide pipe is connected to the lower end of the arc-shaped water channel; the upper end and the lower end of the thick / thin film electric heating tube are respectively inserted into the upper electric heating tube seat and the lower electric heating tube seat; the water inlet interface, the water inlet guide hole, the water inlet channel and the water outlet guide pipe are connected in sequence, the return guide pipe, the arc-shaped water channel, the upper plug guide hole and the upper electric heating tube seat are connected, and the water outlet guide pipe and the return guide pipe are connected. The heat energy emitted by the thick / thin film electric heating tube preheats the water in the arc-shaped water channel, preventing heat dissipation to the surroundings, reducing its temperature rise, and making full use of the heat flux.

Description

Technical Field

[0001] The invention relates to an electric water heating device of a water boiler. Background Art

[0002] In the current prior art, an electric water heater includes a thick / thin film electric heating tube. The problem is that the thick / thin film electric heating tube itself has a high temperature and the heat energy emitted to the surrounding cannot be utilized. Summary of the invention

[0003] The purpose of the present invention is to provide a thick / thin film electric heating tube type electric water heater, which has the characteristics of low temperature rise of the thick / thin film electric heating tube and the heat energy emitted by the thick / thin film electric heating tube is used for preheating water.

[0004] The present invention is implemented as follows: a thick / thin film electric heating tube type electric water heater, comprising a thick / thin film electric heating tube, which is special in that it also comprises a shell, a water inlet guide and a water outlet guide.

[0005] The outer shell comprises an upper inner interface, a tube body with upper and lower openings, an arc-shaped water channel surrounding the tube body, and a water inlet pipe on the outer shell located between the two circumferential ends of the arc-shaped water channel;

[0006] The water inlet guide member includes a water inlet guide body, a water inlet interface provided at one end of the body, an upper arc-shaped plug body, a water inlet guide hole provided on the body and communicating with the water inlet interface, an upper electric heating pipe seat, and an upper plug guide hole provided on the plug body, wherein the upper plug guide hole is communicated with the upper electric heating pipe seat through a radial water hole;

[0007] The water outlet guide member includes a water outlet guide body, a hot water outlet interface provided on the water outlet guide body, a lower arc-shaped plug body, a water outlet guide pipe, a return water guide pipe and a lower electric heating pipe seat, wherein the return water guide pipe passes through one end of the lower arc-shaped plug body; the lower electric heating pipe seat is connected with the hot water outlet interface;

[0008] The water inlet guiding body of the water inlet guiding member is inserted into the upper interface of the shell, the upper arc-shaped plug body is inserted into the upper end of the arc-shaped water channel, and the interface pipe connected to the water inlet channel is inserted into the water inlet guiding hole; the lower arc-shaped plug body of the water outlet guiding member is inserted into the arc-shaped water channel, the water outlet guiding pipe is connected to the lower end of the water inlet channel, and the return water guiding pipe is connected to the lower end of the arc-shaped water channel; the upper end and the lower end of the thick / thin film electric heating pipe are respectively inserted into the upper electric heating pipe seat and the lower electric heating pipe seat; the water inlet interface, the water inlet guiding hole, the water inlet channel and the water outlet guiding pipe are connected in sequence, the return water guiding pipe, the arc-shaped water channel, the upper plug guiding hole and the upper electric heating pipe seat are connected, and the water outlet guiding pipe and the return water guiding pipe are connected.

[0009] The thick / thin film electric heating tube type electric water heater described above is special in that: a plurality of sub-water channels are arranged in the arc-shaped water channel, and the sub-water channels are connected in series in a clockwise direction in such a way that the lower end of the sub-water channel passes through the lower water guide groove and the upper end of the next sub-water channel passes through the upper water guide groove in series;

[0010] The upper arc-shaped plug body closes the upper water guide groove to form an upper water guide hole, and the lower arc-shaped plug body closes the lower water guide groove to form an upper water guide hole;

[0011] The return water guide pipe, the sub-water channel, the upper plug water guide hole, the upper electric heating pipe seat, the thick / thin film electric heating pipe, the lower electric heating pipe seat and the hot water outlet interface are connected in sequence.

[0012] The thick / thin film electric heating tube type electric water heater described above is special in that the gap between the thick / thin film electric heating tube and the tube body forms a heat dissipation and heat conduction cavity, and the arc-shaped water channel surrounds the heat dissipation and heat conduction cavity.

[0013] The thick / thin film electric heating tube type electric water heater of the present invention adopts such a structure that the heat energy emitted by the thick / thin film electric heating tube preheats the water in the arc-shaped water channel, preventing heat dissipation to the surroundings, reducing its temperature rise, and making full use of the heat flux. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a cross-sectional view of the present invention.

[0015] Figure 2 It is a three-dimensional cross-sectional view of the present invention.

[0016] Figure 3 It is one of the three-dimensional exploded views of the present invention.

[0017] Figure 4 It is the second of the three-dimensional exploded diagrams of the present invention.

[0018] Figure 5 It is a top view of the housing of the present invention.

[0019] Figure 6 It is a bottom view of the shell of the present invention.

[0020] Figure 7 It is one of the three-dimensional cross-sectional views of the water inlet and guide member of the present invention.

[0021] Figure 8 This is the second stereoscopic cross-sectional view of the water inlet and guide member of the present invention. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] like Figure 1As shown, a thick / thin film electric heating tube type electric water heater comprises a thick / thin film electric heating tube 1, a housing 2, a water inlet guide 3 and a water outlet guide 4.

[0024] The housing 2 includes an upper inner interface, a tube body 21 with upper and lower openings, an arc-shaped water channel 22 surrounding the tube body, and a water inlet pipe 23 on the housing between the two circumferential ends of the arc-shaped water channel;

[0025] The water inlet guide member 3 includes a water inlet guide body, a water inlet interface 31 provided at one end of the body, an upper arc-shaped plug body 32, a water inlet guide hole 33 provided on the body and communicating with the water inlet interface, an upper electric heating pipe seat 34 and an upper plug guide hole 35 provided on the plug body, and the upper plug guide hole 35 is communicated with the upper electric heating pipe seat 34 through a radial water hole 36, as shown in FIG. Figure 7 The direction of the middle arrow;

[0026] The water outlet guide member 4 includes a water outlet guide body, a hot water outlet interface 41 provided on the water outlet guide body, a lower arc-shaped plug body 42, a water outlet guide pipe 43, a return water guide pipe 44 and a lower electric heating pipe 45. The return water guide pipe 44 passes through one end of the lower arc-shaped plug body 42; the lower electric heating pipe seat 45 is connected to the hot water outlet interface 41;

[0027] The water inlet guide body of the water inlet guide member 3 is inserted into the upper interface of the shell 2, the upper arc-shaped plug body 32 is inserted into the upper end of the arc-shaped water channel 22, and the interface pipe connected to the water inlet channel 23 is inserted into the water inlet guide hole 33; the lower arc-shaped plug body 42 of the water outlet guide member 4 is inserted into the arc-shaped water channel 22, the water outlet guide pipe 43 is connected to the lower end of the water inlet channel 23, and the return water guide pipe 44 is connected to the lower end of the arc-shaped water channel 22; the upper end and the lower end of the thick / thin film electric heating tube 1 are respectively inserted into the upper electric heating tube seat 34 and the lower electric heating tube seat 45; Figure 1 As shown, the water inlet interface 31, the water inlet guide hole 33, the water inlet channel 23 and the water outlet guide pipe 43 are connected in sequence. Figure 2 As shown, the return water conduit 44, the arc-shaped water channel 22, the upper plug water guide hole 35, the upper electric heating pipe seat 34, the thick / thin film electric heating pipe 1 and the hot water outlet interface 41 are connected, and the outlet water conduit 43 is connected to the return water conduit 44.

[0028] As a further improvement of the present invention: Figure 5 , Figure 6 As shown, the arc-shaped water channel 22 is provided with a plurality of sub-water channels 24, and the sub-water channels 24 are connected in series in a clockwise direction in such a way that the lower end of the sub-water channel 24 passes through a lower water guide groove 241, and the upper end of the next sub-water channel 24 passes through an upper water guide groove 242; the sub-water channels 24 are connected in series to form an up-and-down reciprocating water channel;

[0029] The upper arc-shaped plug body 33 closes the upper water guide groove 242 to form an upper water guide hole, and the lower arc-shaped plug body 42 closes the lower water guide groove 241 to form an upper water guide hole;

[0030] The return water conduit 44, the sub-water channel 24, the upper plug water conduit hole 35, the radial water hole 36, the upper electric heating pipe seat 34, the thick / thin film electric heating pipe 1 and the hot water outlet interface 41 are connected in sequence.

[0031] The gap between the thick / thin film electric heating tube 1 and the tube body 21 forms a heat dissipation and heat conduction cavity 25 , and the arc-shaped water channel 22 surrounds the heat dissipation and heat conduction cavity 25 .

[0032] The above is only a preferred embodiment of the present invention. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, which are also considered as the protection scope of the present invention.

Claims

1. A thick / thin film electric heating tube type electric water heater, comprising a thick / thin film electric heating tube, characterized in that: It also includes a housing, a water inlet guide and a water outlet guide. The outer shell comprises an upper inner interface, a tube body with upper and lower openings, an arc-shaped water channel surrounding the tube body, and a water inlet pipe on the outer shell located between the two circumferential ends of the arc-shaped water channel; The water inlet guide member includes a water inlet guide body, a water inlet interface provided at one end of the body, an upper arc-shaped plug body, a water inlet guide hole provided on the body and communicating with the water inlet interface, an upper electric heating pipe seat, and an upper plug guide hole provided on the plug body, wherein the upper plug guide hole is communicated with the upper electric heating pipe seat through a radial water hole; The water outlet guide member includes a water outlet guide body, a hot water outlet interface provided on the water outlet guide body, a lower arc-shaped plug body, a water outlet guide pipe, a return water guide pipe and a lower electric heating pipe seat, wherein the return water guide pipe passes through one end of the lower arc-shaped plug body; the lower electric heating pipe seat is connected with the hot water outlet interface; The water inlet guide body of the water inlet guide member is inserted into the upper interface of the shell, the upper arc-shaped plug body is inserted into the upper end of the arc-shaped water channel, and the interface pipe connected to the water inlet channel is inserted into the water inlet guide hole; the lower arc-shaped plug body of the water outlet guide member is inserted into the arc-shaped water channel, the water outlet guide pipe is connected to the lower end of the water inlet channel, and the return water guide pipe is connected to the lower end of the arc-shaped water channel; the upper end and the lower end of the thick / thin film electric heating pipe are respectively inserted into the upper electric heating pipe seat and the lower electric heating pipe seat; the water inlet interface, the water inlet guide hole, the water inlet channel and the water outlet guide pipe are connected in sequence, the return water guide pipe, the arc-shaped water channel, the upper plug guide hole and the upper electric heating pipe seat are connected, and the water outlet guide pipe and the return water guide pipe are connected; The gap between the thick / thin film electric heating tube and the tube body forms a heat dissipation and heat conduction cavity, and the arc-shaped water channel surrounds the heat dissipation and heat conduction cavity; The arc-shaped water channel is provided with a plurality of sub-water channels, and the sub-water channels are connected in series in a clockwise direction in such a way that the lower end of the sub-water channel passes through the lower water guide groove and the upper end of the next sub-water channel passes through the upper water guide groove in series; The upper arc-shaped plug body closes the upper water guide groove to form an upper water guide hole, and the lower arc-shaped plug body closes the lower water guide groove to form an upper water guide hole; The return water guide pipe, the sub-water channel, the upper plug water guide hole, the upper electric heating pipe seat, the thick / thin film electric heating pipe, the lower electric heating pipe seat and the hot water outlet interface are connected in sequence.

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