Integral heater for electric water heater

Abstract

The utility model discloses an integral heater for an electric water heater, which comprises a casing, a heat exchange mechanism and a heating mechanism, the heat exchange mechanism and the heating mechanism are arranged on the casing, and the heat exchange mechanism comprises a water inlet portion, a water outlet portion and a heat exchange portion. According to the integral heater for the electric water heater, the heat exchange mechanism and the heating mechanism are arranged on the machine shell, the heating mechanism is provided with the multiple heating pipes which are linearly arranged, and then the heat exchange part of the heat exchange mechanism is provided with the water conveying pipe which is of a circulating winding arrangement structure, so that the heat exchange part forms a heat exchange channel allowing the multiple heating pipes to be connected in a penetrating mode; the heat exchange channel is provided with the first through opening and the second through opening which are oppositely arranged, so that the heating pipes can be connected with the heat exchange channel in a penetrating mode without being bent, the heating pipes are electrically connected to the electric connecting piece through the first through opening and the second through opening respectively, and due to the structural arrangement, the heating pipes are arranged in the heat exchange channel more compactly; and heat exchange with the water conveying pipe is more uniform and stable, and the heating efficiency of the electric water heater is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of household appliances, especially relates to a whole type heater for electric water heater. BACKGROUND

[0002] The patent document with the publication number CN201527083U discloses a whole type heater for electric water heater, the heater is provided with the heat exchange body formed by the pipe material winding and having hollow inner cavity, and is provided with the heating fence board formed by the bending of the multiple electric heating pipes and having the whole "U" shape, and the heating fence board is embedded in the hollow inner cavity, and the heat exchange effect of the pipe material is realized. SUMMARY

[0003] The utility model discloses a whole type heater for electric water heater, and solves the problem of unstable heat exchange performance of the existing heater for electric water heater.

[0004] The utility model provides technical scheme as follows: a whole type heater for electric water heater, including the casing, the heat exchange mechanism and heating mechanism being located at the casing, the heat exchange mechanism includes the water inlet portion, the water outlet portion and the heat exchange part, the heat exchange part is equipped with the water pipe that is arranged in the circulation and is set up, makes the heat exchange passage that the heat exchange part forms is surrounded by the water pipe, and the heat exchange passage is equipped with the first mouth and the second mouth that are relatively arranged, the heating mechanism includes the multiple heating pipes that are arranged in the linearity, and the electric connection spare that is respectively located at the opposite both ends of the casing, and the pipe body of heating pipe all are inserted in the heat exchange passage, and the end part of heating pipe respectively passes through the first mouth and the second mouth and is connected in the electric connection spare.

[0005] The utility model discloses a whole type heater for electric water heater, and solves the problem of unstable heat exchange performance of the existing heater for electric water heater.

[0006] The integral heater for electric water heater has the advantages that the heating pipes are arranged in a linear extension mode, the half-spiral pipes are arranged in a linear arrangement mode, and the straight pipes are arranged in a linear arrangement mode.

[0007] The integral heater for electric water heater has the advantages that the heating pipes are arranged in a linear extension mode, the half-spiral pipes are arranged in a linear arrangement mode, and the straight pipes are arranged in a linear arrangement mode.

[0008] The integral heater for electric water heater has the advantages that the heating pipes are arranged in a linear extension mode, the half-spiral pipes are arranged in a linear arrangement mode, and the straight pipes are arranged in a linear arrangement mode.

[0009] The integral heater for electric water heater has the advantages that the heating pipes are arranged in a linear extension mode, the half-spiral pipes are arranged in a linear arrangement mode, and the straight pipes are arranged in a linear arrangement mode.

[0010] The integral heater for electric water heater has the advantages that the heating pipes are arranged in a linear extension mode, the half-spiral pipes are arranged in a linear arrangement mode, and the straight pipes are arranged in a linear arrangement mode.

[0011] The integral heater for electric water heater has the advantages that the heating pipes are arranged in a linear extension mode, the half-spiral pipes are arranged in a linear arrangement mode, and the straight pipes are arranged in a linear arrangement mode.

[0012] The integral heater for electric water heater has the advantages that the heating pipes are arranged in a linear extension mode, the half-spiral pipes are arranged in a linear arrangement mode, and the straight pipes are arranged in a linear arrangement mode.

[0013] Compared with the prior art, the integral heater for electric water heater has the following advantages:

[0014] The integral heater for electric water heater has the advantages that the heating pipes are arranged in a linear extension mode, the half-spiral pipes are arranged in a linear arrangement mode, and the straight pipes are arranged in a linear arrangement mode. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional sectional exploded schematic view of the integral heater for electric water heater.

[0016] Figure 2 It is a three-dimensional schematic view of the heat exchange mechanism in the integral heater of the utility model.

[0017] Figure 3 It is a three-dimensional schematic view of the heating mechanism in the integral heater of the utility model.

[0018] Figure 4 It is a three-dimensional schematic view of the machine shell in the integral heater of the utility model.

[0019] Figure 5 It is a three-dimensional schematic view of the machine shell in the integral heater of the utility model from another angle.

[0020] Figure 6 It is a three-dimensional schematic view of the integral heater of the utility model.

[0021] BRIEF DESCRIPTION OF DRAWINGS: 1, machine shell; 2, heat exchange mechanism; 3, heating mechanism; 11, inner cavity; 12, first let hole; 13, second let hole; 14, fixed ear; 21, water inlet part; 22, water outlet part; 23, heat exchange part; 31, heating pipe; 32, electric connecting piece; 141, straight slot; 211, water inlet pipe; 221, water outlet pipe; 231, water delivery pipe; 232, heat exchange channel; 321, first electrode sheet; 322, second electrode sheet; 2311, half spiral pipe; 2312, straight pipe; 2321, first through hole; 2322, second through hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Embodiment 1: please refer to the drawings in the embodiments of the utility model. Figure 1 to the drawings in the embodiments of the utility model. Figure 6The embodiment provides a whole type heater for an electric water heater, which comprises a shell 1, a heat exchange mechanism 2 and a heating mechanism 3 arranged on the shell 1, the heat exchange mechanism 2 comprises a water inlet part 21, a water outlet part 22 and a heat exchange part 23, the heat exchange part 23 is provided with water conveying pipes 231 arranged in a circular winding mode, so that the heat exchange part 23 forms a heat exchange channel 232 surrounded by the water conveying pipes 231, and the heat exchange channel 232 is provided with oppositely arranged first through holes 2321 and second through holes 2322, the heating mechanism 3 comprises a plurality of heating pipes 31 arranged in a linear mode and electric connecting parts 32 arranged on opposite ends of the shell 1 respectively, the pipe bodies of the heating pipes 31 are inserted into the heat exchange channel 232, and the ends of the heating pipes 31 are respectively connected to the electric connecting parts 32 through the first through holes 2321 and the second through holes 2322. The whole type heater for the electric water heater in the embodiment is provided with the heat exchange mechanism 2 and the heating mechanism 3 on the shell 1, the heating mechanism 3 is provided with a plurality of heating pipes 31 arranged in a linear mode, then the heat exchange part 23 of the heat exchange mechanism 2 is provided with water conveying pipes 231 arranged in a circular winding mode, so that the heat exchange part 23 forms a heat exchange channel 232 for the plurality of heating pipes 31 to pass through, and the heat exchange channel 232 is provided with oppositely arranged first through holes 2321 and second through holes 2322, so that the heating pipes 31 can pass through the heat exchange channel 232 without being arranged in a bending mode and are respectively connected to the electric connecting parts 32 through the first through holes 2321 and the second through holes 2322, the arrangement of the structure makes the arrangement of the heating pipes 31 in the heat exchange channel 232 more compact, and the heat exchange between the water conveying pipes 231 and the heating pipes 31 is more uniform and stable, so that the heating efficiency of the electric water heater is greatly improved.

[0024] The water conveying pipes 231 comprise a plurality of half spiral pipes 2311 arranged along the extension direction of the heating pipes 31 and a plurality of straight pipes 2312 arranged along the extension direction of the heating pipes 31, the half spiral pipes 2311 are close to the heating pipes 31 on the side close to the heat exchange channel 232, and the straight pipes 2312 are close to the heating pipes 31 on the side close to the heat exchange channel, the arrangement can increase the contact area between the water conveying pipes 231 and the heating pipes 31, and further improve the heat exchange effect of the heating pipes 31.

[0025] Preferably, the heating pipes 31 are arranged in a straight line, the plurality of half spiral pipes 2311 are arranged in a linear mode, and the plurality of straight pipes 2312 are arranged in a linear mode, so that the arrangement of the water conveying pipes 231 is more compact, and the heat exchange effect of the heating pipes 31 is further improved.

[0026] Preferably, the heating pipes 31 are arranged in a rod shape, so that the heating is more uniform.

[0027] Preferably, the heating pipes 31 pass through the shell 1 along the height direction of the shell 1, so that the whole type heater is arranged in a longitudinal mode in the electric water heater.

[0028] The electric connecting piece 32 comprises a first electrode sheet 321 and a second electrode sheet 322, the heating pipe 31 close to one end of the first through port 2321 is electrically connected to the first electrode sheet 321, and the heating pipe 31 close to one end of the second through port 2322 is electrically connected to the second electrode sheet 322, since the heating pipes 31 are linearly arranged, the end of the heating pipe 31 is also linearly and compactly arranged, so that the length of the first electrode sheet 321 and the second electrode sheet 322 connected to the end of the heating pipe 31 is optimized, and the use of electrode sheet material is saved.

[0029] The shell 1 is provided with an inner cavity 11, the heat exchange part 23 is arranged in the inner cavity 11, the water inlet part 21 comprises a water inlet pipe 211 connected with a water supply end of the water conveying pipe 231, and the water outlet part 22 comprises a water outlet pipe 221 connected with a water use end of the water conveying pipe 231. Further, the upper side of the shell 1 is provided with a first accommodating hole 12, the lower side of the shell is provided with a second accommodating hole 13, the water inlet pipe 211 is inserted into the first accommodating hole 12, and the water outlet pipe 221 is inserted into the second accommodating hole 13. The shell 1 wraps the water conveying pipe 231, so that the stable heat exchange effect of the heat exchange part 23 is ensured, and meanwhile, the first accommodating hole 12 and the second accommodating hole 13 are arranged, so that the installation of the shell 1 on the water inlet pipe 211 and the water outlet pipe 221 will not cause interference.

[0030] The outer side of the shell 1 is provided with a plurality of fixed hanging ears 14, and a straight slot 141 is arranged in each fixed hanging ear 14. The fixed hanging ear 14 is arranged, so that the shell 1 is screw-connected and fixed in the electric water heater through the straight slot 141.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A unit heater for electric water heaters characterised in that: The utility model provides a heat exchange device, including casing (1), heat exchange mechanism (2) and heating mechanism (3) of casing (1), heat exchange mechanism (2) includes water inlet portion (21), water outlet portion (22) and heat exchange portion (23), heat exchange portion (23) is equipped with the water pipe (231) of being arranged in the circulation around, with heat exchange portion (23) forms the heat exchange channel (232) of being surrounded by water pipe (231), and heat exchange channel (232) is equipped with the first mouth (2321) and the second mouth (2322) of opposite arrangement, heating mechanism (3) includes the multiple heating pipe (31) of linear arrangement, and the electric connection piece (32) of being arranged respectively in the opposite both ends of casing (1), the pipe body of heating pipe (31) is inserted in heat exchange channel (232), and the end of heating pipe (31) is respectively connected with electric connection piece (32) through the first mouth (2321) and the second mouth (2322).

2. A unit heater for electric water heaters as claimed in claim 1 wherein: Water pipe (231) includes the multiple half spiral pipe (2311) of being arranged along the extension direction of heating pipe (31), and the multiple straight pipe (2312) of being arranged along the extension direction of heating pipe (31), half spiral pipe (2311) is close to heating pipe (31) on the side close to heat exchange channel (232), and straight pipe (2312) is close to heating pipe (31) on the side close to heat exchange channel.

3. A unit heater for electric water heaters as claimed in claim 2 wherein: Heating pipe (31) is all linearly arranged, and multiple half spiral pipe (2311) is linearly arranged, and multiple straight pipe (2312) is linearly arranged.

4. A unit heater for electric water heaters as claimed in claim 3 wherein: Heating pipe (31) is all rod-shaped.

5. A unit heater for electric water heaters as defined in claim 3, characterized in that: Heating pipe (31) is connected with casing (1) along the height direction of casing (1).

6. A unit heater for electric water heaters as defined in claim 1, characterized in that: Electric connection piece (32) includes first electrode sheet (321) and second electrode sheet (322), and one end of heating pipe (31) close to first mouth (2321) is connected with first electrode sheet (321), and one end of heating pipe (31) close to second mouth (2322) is connected with second electrode sheet (322).

7. The integrated heater for an electric water heater according to claim 1, wherein: Casing (1) is equipped with inner chamber (11), heat exchange portion (23) is arranged in inner chamber (11), water inlet portion (21) includes water inlet pipe (211) connected with water pipe (231) and external water supply end, and water outlet portion (22) includes water outlet pipe (221) connected with water pipe (231) and external water consumption end.

8. A unit heater for electric water heaters as claimed in claim 7 wherein: First clearance hole (12) is formed in the upper side of casing (1), second clearance hole (13) is formed in the lower side of casing, water inlet pipe (211) is inserted into first clearance hole (12), and water outlet pipe (221) is inserted into second clearance hole (13).

9. A unit heater for electric water heaters as defined in claim 7, characterized in that: Multiple fixed ears (14) are protruded on the outer side of casing (1), and straight slot (141) is formed in each fixed ear (14).

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