CN218033710U

CN218033710U - Water heater

Info

Publication number: CN218033710U
Application number: CN202221635120.5U
Authority: CN
Inventors: 罗杰; 刘志强; 韩春诚; 朱彦聪; 张帅; 董家荣
Original assignee: Qingdao Economic And Technology Development District Haier Water Heater Co ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Economic And Technology Development District Haier Water Heater Co ltd; Haier Smart Home Co Ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-12-13
Anticipated expiration: 2032-06-27

Abstract

The utility model relates to the technical field of water heaters, in particular to a water heater, which comprises a water receiver, a heater and a scale and electricity inhibiting and preventing component, wherein the water receiver is provided with a water inlet and a water outlet; the heater is arranged in the water storage device and used for heating the water in the water storage device; the scale inhibiting and electricity preventing assembly is arranged on a water inlet pipeline of the water receiver and comprises a filter cavity and a scale inhibiting and electricity preventing filter element, the filter cavity is provided with an inlet and an outlet, an electricity preventing wall can be formed between the inlet and the outlet of the filter cavity, and the scale inhibiting filter element is arranged in the filter cavity and is positioned between the inlet and the outlet of the filter cavity. By arranging the scale and electricity inhibiting assembly, the water before being heated can be pretreated, and calcium ions and magnesium ions in the water are removed, so that the scale is prevented from being condensed on the heater, the safety factor of the heater is improved, and the service life of the heater is prolonged; in addition, the structural arrangement of the filter cavity is utilized, so that an electricity-proof wall is formed between the inlet and the outlet of the filter cavity, and an electricity-proof wall structure is not required to be additionally arranged.

Description

Water heater

Technical Field

The utility model relates to a water heater technical field especially relates to a water heater.

Background

The quick-heating water heater is popular among consumers because of the capability of quickly discharging hot water, resistance wires are generally adopted to be electrified for heating, the resistance wires are pressed and knotted by Mg2O3 powder to serve as basic insulation, and red copper pipes are wrapped outside the resistance wires to form the quick-heating water heater. The resistance wire surface temperature can exceed 200 degrees. The formation of scale is related to the surface temperature of the heating pipe and the water temperature; when the water temperature exceeds 60 ℃, caCO3 plasma in the water begins to deposit, adsorption begins when the temperature exceeds 70 ℃, and scale begins to be greatly adsorbed when the surface temperature of the heating tube exceeds 80 ℃.

The heated water, unless pure, will have more or less calcium and magnesium ions and scale condensation is only a matter of time. The result of the scale condensation is uneven heating on the surface of the heating pipe, stress is formed, the heating pipe is easy to damage, and electricity is leaked.

In order to adapt to various water qualities and ensure the use, safety and comfort of the water heater, the water before being heated by the water heater needs to be pretreated to remove calcium and magnesium ions. In the prior art, an external RO water purifier filter device is usually added at the water inlet end of a product, and the front end filter device cannot be installed when a water heater is installed in a hidden mode; for the non-hidden installation water heater, the pipeline is transformed difficultly, and the water pressure can be reduced, so that the bathing feeling is influenced.

Therefore, a water heater is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water heater can the scale prevention, can save extra electric wall structure again.

To achieve the purpose, the utility model adopts the following technical proposal:

a water heater, comprising:

a water reservoir having a water inlet and a water outlet;

a heater disposed in the water reservoir for heating water in the water reservoir;

the scale inhibiting and electricity preventing assembly is arranged on a water inlet pipeline of the water receiver and comprises a filter cavity and a scale inhibiting and electricity preventing filter element, the filter cavity is provided with an inlet and an outlet, an electricity preventing wall can be formed between the inlet and the outlet of the filter cavity, and the scale inhibiting and electricity preventing filter element is arranged in the filter cavity and is positioned between the inlet and the outlet of the filter cavity.

By arranging the scale inhibiting and electricity preventing assembly, the water before being heated can be pretreated, calcium ions and magnesium ions in the water are removed, and the calcium ions and the magnesium ions are prevented from being adsorbed on the heater when the water is heated, so that the scale is prevented from being condensed on the heater, the safety factor of the heater is improved, and the service life of the heater is prolonged; in addition, the electricity-proof wall is formed between the inlet and the outlet of the filter cavity by utilizing the structural arrangement of the filter cavity, and the electricity-proof wall structure is not required to be additionally arranged, so that the cost is reduced; the scale inhibition and electricity prevention assembly can realize filtration of water inflow and electricity isolation, and is novel in structure and high in practicability.

As the preferred technical scheme of water heater, the filter chamber includes:

the two ends of the inner cavity are provided with openings, and the scale inhibiting filter element is arranged in the inner cavity;

the inner cavity is arranged in the outer cavity, the inner cavity and the outer cavity are coaxially arranged, a gap exists between the inner cavity and the outer cavity, one end of the outer cavity is provided with the outlet, the other end of the outer cavity is sealed, and the side wall of the outer cavity is provided with the inlet;

and the sealing ring is arranged between the inner cavity and the outer cavity and is positioned between the inlet and the outlet.

Because the sealing washer sets up between import and the export, so after water got into the exocoel by the import, can not directly flow out from the export, but need flow to the uncovered that export one end was kept away from to the inner chamber by the clearance between inner chamber and the exocoel, flow into the inner chamber by the uncovered that export one end was kept away from to the inner chamber, and the dirty filter core of flow restraining, later flow out the inner chamber by the uncovered of inner chamber near export one end to flow out through the export, water can flow to the water storage tank after flowing out through the export and heat by the heater. Through the above-mentioned structural arrangement of filter chamber, can prolong the interval between the import and the export of filter chamber to the resistance of extension water, in order to realize preventing the electric function.

As a preferred technical scheme of the water heater, the length from the sealing ring to the closed end of the outer cavity is greater than the length from the sealing ring to the end of the outer cavity, where the outlet is arranged.

Through the setting, the distance of water when the one end of the inner cavity communicated with the inlet side gap is open is ensured to be longer.

As a preferable technical solution of the water heater, a length from the inlet to the closed end of the outer chamber is greater than a length from the inlet to the sealing ring.

Through the setting, the distance of water when the one end of the inner cavity that flows to and the inlet side clearance intercommunication is uncovered through the import is longer can be further guaranteed.

As a preferable technical scheme of the water heater, the closed end of the outer cavity is provided with an opening, and the closed end of the outer cavity is closed through an end cover.

Through the arrangement, the scale inhibiting filter element can be conveniently replaced, when the scale inhibiting filter element needs to be replaced, the used filter element in the inner cavity can be taken out only by detaching the end cover, and the unused filter element is arranged in the inner cavity, so that the maintenance is convenient.

As a preferred technical scheme of the water heater, the outer wall of the outer cavity is provided with an external thread, the end cover is provided with an internal thread matched with the external thread, and the end cover is in threaded connection with the outer cavity.

The connection mode is simple, and easy dismounting.

As a preferable technical scheme of the water heater, a plugging filter element is arranged on the end cover, and when the end cover is connected to the outer cavity, the plugging filter element is plugged in an opening of the inner cavity.

Through the setting, on the one hand can make the supplementary sealing washer of shutoff filter core support the inner chamber, and on the other hand can carry out prefilter to the water that gets into in the inner chamber, for example can filter the large granule thing of aquatic etc..

As the preferred technical scheme of the water heater, the plugging filter element is detachably connected with the end cover.

Through the arrangement, the plugging filter element can be conveniently replaced.

As the preferred technical scheme of water heater, the material of shutoff filter core is PP, active carbon, resin, or FOF.

As the preferred technical scheme of water heater, the material of scale inhibition filter core is FOF.

The utility model has the advantages that:

the utility model provides a water heater, which comprises a water receiver, a heater and a scale and electricity inhibiting component, wherein the water receiver is provided with a water inlet and a water outlet; the heater is arranged in the water receiver and used for heating the water in the water receiver; the scale inhibiting and electricity preventing assembly is arranged on a water inlet pipeline of the water receiver and comprises a filter cavity and a scale inhibiting and electricity preventing filter element, the filter cavity is provided with an inlet and an outlet, an electricity preventing wall can be formed between the inlet and the outlet of the filter cavity, and the scale inhibiting filter element is arranged in the filter cavity and is positioned between the inlet and the outlet of the filter cavity. By arranging the scale inhibiting and electricity preventing assembly, the water before being heated can be pretreated, calcium ions and magnesium ions in the water are removed, and the calcium ions and the magnesium ions are prevented from being adsorbed on the heater when the water is heated, so that the scale is prevented from being condensed on the heater, the safety factor of the heater is improved, and the service life of the heater is prolonged; in addition, the electricity-proof wall is formed between the inlet and the outlet of the filter cavity by utilizing the structural arrangement of the filter cavity, and the electricity-proof wall structure is not required to be additionally arranged, so that the cost is reduced; the scale-inhibiting and electricity-preventing component can realize filtration of water inflow and electricity isolation, and is novel in structure and high in practicability.

Drawings

Fig. 1 is a schematic diagram of a water heater according to an embodiment of the present invention.

In the figure:

10. a water reservoir; 11. a water inlet; 12. a water outlet;

20. a filter chamber; 21. an inner cavity; 22. an outer chamber; 231. an inlet; 232. an outlet; 23. a seal ring;

30. a scale inhibiting filter element;

40. an end cap;

50. and (5) plugging the filter element.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some but not all of the elements relevant to the present invention are shown in the drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do 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. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

Example one

As shown in fig. 1, the embodiment of the present invention provides a water heater, which comprises a water reservoir 10, a heater and a scale and electricity inhibiting assembly, wherein the water reservoir 10 has a water inlet 11 and a water outlet 12; a heater is provided in the water reservoir 10, the heater being for heating water in the water reservoir 10; the scale inhibiting and electricity preventing assembly is arranged on the water inlet pipeline of the water receiver 10, the scale inhibiting and electricity preventing assembly comprises a filter cavity 20 and a scale inhibiting filter element 30, the filter cavity 20 is provided with an inlet 231 and an outlet 232, an electricity preventing wall can be formed between the inlet 231 and the outlet 232 of the filter cavity 20, and the scale inhibiting filter element 30 is arranged in the filter cavity 20 and is positioned between the inlet 231 and the outlet 232 of the filter cavity 20. By arranging the scale inhibiting and electricity preventing assembly, the water before being heated can be pretreated, calcium ions and magnesium ions in the water are removed, and the calcium ions and the magnesium ions are prevented from being adsorbed on the heater when the water is heated, so that the scale is prevented from being condensed on the heater, the safety factor of the heater is improved, and the service life of the heater is prolonged; in addition, by utilizing the structural arrangement of the filter cavity 20, an electricity-proof wall is formed between the inlet 231 and the outlet 232 of the filter cavity 20, and an electricity-proof wall structure is not required to be additionally arranged, so that the cost is reduced; the scale inhibition and electricity prevention assembly can realize filtration of water inflow and electricity isolation, and is novel in structure and high in practicability.

The filter cavity 20 comprises an inner cavity 21, an outer cavity 22 and a sealing ring 23, wherein two ends of the inner cavity 21 are provided with openings, the inner cavity 21 is arranged in the outer cavity 22, two ends of the inner cavity 21 are provided with openings, and the scale inhibiting filter element 30 is arranged in the inner cavity 21; the inner cavity 21 is arranged in the outer cavity 22, the inner cavity 21 and the outer cavity 22 are coaxially arranged, a gap exists between the inner cavity 21 and the outer cavity 22, one end of the outer cavity 22 is provided with the outlet 232, the other end of the outer cavity 22 is sealed, and the side wall of the outer cavity 22 is provided with the inlet 231; the sealing ring 23 is disposed between the inner chamber 21 and the outer chamber 22 and between the inlet 231 and the outlet 232. Because the sealing ring 23 is disposed between the inlet 231 and the outlet 232, when water enters the outer cavity 22 through the inlet 231, the water cannot directly flow out through the outlet 232, but needs to flow from the gap between the inner cavity 21 and the outer cavity 22 to the opening at the end of the inner cavity 21 far from the outlet 232, flow into the inner cavity 21 through the opening at the end of the inner cavity 21 far from the outlet 232, flow through the scale-inhibiting filter element 30, then flow out of the inner cavity 21 through the opening at the end of the inner cavity 21 near the outlet 232, and flow out through the outlet 232, and the water flows into the water storage device 10 after flowing out through the outlet 232 and is heated by the heater. Through the above-mentioned structural arrangement of the filter cavity 20, the distance between the inlet 231 and the outlet 232 of the filter cavity 20 can be extended, so that the resistance of water is extended, and the electricity-proof function is realized.

Preferably, the length of the sealing ring 23 to the closed end of the outer chamber 22 is greater than the length of the sealing ring 23 to the end of the outer chamber 22 where the outlet 232 is located. Through the above arrangement, it can be ensured that the distance of water when the one end of the inner cavity 21 communicated with the inlet 231 side gap is open is long. Preferably, the length of the inlet 231 to the closed end of the outer chamber 22 is greater than the length of the inlet 231 to the sealing ring 23. Through the above arrangement, it can be further ensured that the distance of water when the one end of the inner cavity 21 communicated with the inlet 231 side gap is open is longer when the water flows through the inlet 231.

The closed end of the outer chamber 22 has an open mouth and the closed end of the outer chamber 22 is closed by an end cap 40. Through the arrangement, the scale inhibiting filter element 30 can be conveniently replaced, when the scale inhibiting filter element 30 needs to be replaced, a used filter element in the inner cavity 21 can be taken out only by detaching the end cover 40, and an unused filter element is arranged in the inner cavity 21, so that the maintenance is convenient.

The outer wall of the outer cavity 22 is provided with an external thread, the end cover 40 is provided with an internal thread matched with the external thread, and the end cover 40 is in threaded connection with the outer cavity 22. The connection mode is simple, and easy dismounting.

Preferably, the end cap 40 is provided with a blocking cartridge 50, and when the end cap 40 is attached to the outer chamber 22, the blocking cartridge 50 is blocked within the opening of the inner chamber 21. Through above-mentioned setting, on the one hand can make supplementary sealing washer 23 of shutoff filter core 50 support inner chamber 21, and on the other hand can carry out primary filter to the water that gets into in the inner chamber 21, for example can filter the large granule thing etc. of aquatic. Further preferably, the plugging cartridge 50 is detachably connected to the end cap 40, so that the plugging cartridge 50 can be replaced.

The scale inhibiting filter element 30 is made of FOF (Faohifu), and the physical and chemical properties of the FOF scale inhibiting material are very stable; no toxicity, no smell and no harm to human body; has extremely strong stability, and can keep complete and high-efficiency scale inhibition rate in high pH value and high temperature environment. Plugging filter 50's material can be PP (polypropylene), active carbon, resin or FOF, and big particulate matter can be filtered to PP (polypropylene), and the peculiar smell can be got rid of to active carbon, and the pH valve can be adjusted to resin, and FOF can adsorb calcium ion and magnesium ion, specifically can set up as required.

Example two

As shown in fig. 1, the present invention provides a water heater, which comprises a water reservoir 10, a heater and a scale and electricity inhibiting assembly, wherein the water reservoir 10 has a water inlet 11 and a water outlet 12; a heater is provided in the water reservoir 10, the heater being for heating water in the water reservoir 10; the scale inhibiting and electricity preventing assembly is arranged on the water inlet pipeline of the water receiver 10, the scale inhibiting and electricity preventing assembly comprises a filter cavity 20 and a scale inhibiting filter element 30, the filter cavity 20 is provided with an inlet 231 and an outlet 232, an electricity preventing wall can be formed between the inlet 231 and the outlet 232 of the filter cavity 20, and the scale inhibiting filter element 30 is arranged in the filter cavity 20 and is positioned between the inlet 231 and the outlet 232 of the filter cavity 20. The filter cavity 20 comprises an inner cavity 21, an outer cavity 22 and a sealing ring 23, wherein two ends of the inner cavity 21 are provided with openings, the inner cavity 21 is arranged in the outer cavity 22, two ends of the inner cavity 21 are provided with openings, and the scale inhibiting filter element 30 is arranged in the inner cavity 21; the inner cavity 21 is arranged in the outer cavity 22, the inner cavity 21 and the outer cavity 22 are coaxially arranged, a gap exists between the inner cavity 21 and the outer cavity 22, one end of the outer cavity 22 is provided with the outlet 232, the other end of the outer cavity 22 is sealed, and the side wall of the outer cavity 22 is provided with the inlet 231; the sealing ring 23 is disposed between the inner chamber 21 and the outer chamber 22 and between the inlet 231 and the outlet 232. The length of the sealing ring 23 to the closed end of the outer cavity 22 is greater than the length of the sealing ring 23 to the end of the outer cavity 22 where the outlet 232 is arranged. The length from the inlet 231 to the closed end of the outer chamber 22 is greater than the length from the inlet 231 to the sealing ring 23. The closed end of the outer chamber 22 has an open mouth and the closed end of the outer chamber 22 is closed by an end cap 40. The outer wall of the outer cavity 22 is provided with an external thread, the end cover 40 is provided with an internal thread matched with the external thread, and the end cover 40 is in threaded connection with the outer cavity 22. A blocking insert 50 is disposed on end cap 40 such that when end cap 40 is attached to outer chamber 22, blocking insert 50 is blocked within the opening of inner chamber 21. The plugging filter element 50 is detachably connected with the end cover 40. The material of the plugging filter element 50 may be PP (polypropylene), activated carbon, resin or FOF. The scale inhibiting filter element 30 is FOF.

It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A water heater, comprising:

a water reservoir (10) having a water inlet (11) and a water outlet (12);

a heater disposed in the water reservoir (10) for heating the water in the water reservoir (10);

a scale inhibiting and electricity preventing assembly disposed on an inlet line of the water reservoir (10), the scale inhibiting and electricity preventing assembly including a filter chamber (20) and a scale inhibiting filter element (30), the filter chamber (20) having an inlet (231) and an outlet (232), and an electricity preventing wall being formable between the inlet (231) and the outlet (232) of the filter chamber (20), the scale inhibiting filter element (30) being disposed within the filter chamber (20) and between the inlet (231) and the outlet (232).

2. The water heater according to claim 1, wherein the filtering chamber (20) comprises:

the scale inhibiting filter comprises an inner cavity (21), wherein two ends of the inner cavity (21) are provided with openings, and the scale inhibiting filter element (30) is arranged in the inner cavity (21);

an outer cavity (22), wherein the inner cavity (21) is arranged in the outer cavity (22), the inner cavity (21) and the outer cavity (22) are coaxially arranged, a gap exists between the inner cavity (21) and the outer cavity (22), one end of the outer cavity (22) is provided with the outlet (232), the other end of the outer cavity (22) is arranged in a closed manner, and the side wall of the outer cavity (22) is provided with the inlet (231);

a sealing ring (23) disposed between the inner chamber (21) and the outer chamber (22) and between the inlet (231) and the outlet (232).

3. A water heater according to claim 2, wherein the length of the sealing ring (23) to the closed end of the outer chamber (22) is greater than the length of the sealing ring (23) to the end of the outer chamber (22) where the outlet (232) is provided.

4. A water heater according to claim 3, wherein the length of the inlet (231) to the closed end of the outer chamber (22) is greater than the length of the inlet (231) to the sealing ring (23).

5. The water heater according to claim 2, wherein the closed end of the outer chamber (22) has an open mouth, the closed end of the outer chamber (22) being closed by an end cap (40).

6. A water heater according to claim 5, wherein the outer wall of the outer chamber (22) is provided with an external thread, the end cap (40) is provided with an internal thread matching the external thread, and the end cap (40) and the outer chamber (22) are in threaded connection.

7. The water heater according to claim 5, wherein a blocking cartridge (50) is provided on the end cap (40), the blocking cartridge (50) being blocked in an open mouth of the inner chamber (21) when the end cap (40) is connected to the outer chamber (22).

8. The water heater according to claim 7, wherein the blocking cartridge (50) is removably connected to the end cap (40).

9. The water heater according to claim 7, characterized in that the material of the plugging filter element (50) is PP, activated carbon, resin, or FOF.

10. The water heater of claim 1, wherein the scale inhibiting filter element (30) is FOF.