CN216953510U

CN216953510U - Water heating device and water heater

Info

Publication number: CN216953510U
Application number: CN202220191147.3U
Authority: CN
Inventors: 田峰业
Original assignee: Shenzhen Safevalue Technology Co ltd
Current assignee: Shenzhen Safevalue Technology Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-07-12
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses a water heating device, which comprises at least one PTC heating assembly and metal outer pipes, wherein the number of the metal outer pipes is the same as that of the PTC heating assemblies, one end of each metal outer pipe is a closed surface, the PTC heating assemblies are arranged in cavities of the metal outer pipes, metal inner pipes are arranged outside the PTC heating assemblies, flanges are arranged on the metal outer pipes, through holes are formed in the flanges, and leads of the PTC heating assemblies extend out of the through holes. The utility model also discloses a water heater, which comprises the water heating device. Compared with the prior art, through adopting bayonet water heating device, make water heating device can with water direct contact, improved heating efficiency, also can keep heating power's stability simultaneously.

Description

Water heating device and water heater

Technical Field

The present invention relates to a heating device, and more particularly, to a water heating device and a water heater.

Background

The PTC heater is mostly applied to liquid heating, and the heating element is generally arranged outside the liquid channel in the conventional heater, so that the heating element has low thermal efficiency, large volume and high cost; in addition, a processing mode of pressing the heating element through an aluminum profile is generally adopted, and due to the fact that the aluminum profile is unreasonable in deformation structure, the pressing is not tight, and the heating power is unstable; and the metal part is exposed, so that the temperature of the whole heating surface is high, and the risk of scalding is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a water heating device and a water heater, and aims to solve the technical problems of improving the heating efficiency and keeping the stability of heating power.

In order to solve the problems, the utility model adopts the following technical scheme: a water heating device comprises at least one PTC heating assembly and further comprises metal outer tubes, the number of the metal outer tubes is the same as that of the PTC heating assemblies, one ends of the metal outer tubes are closed faces, the PTC heating assemblies are arranged in cavities of the metal outer tubes, metal inner tubes are arranged outside the PTC heating assemblies, flanges are arranged on the metal outer tubes, through holes are formed in the flanges, and leads of the PTC heating assemblies extend out of the through holes.

The utility model also discloses a water heater, which comprises a non-metal body and the water heating device, wherein the body is provided with heating parts with the same number as the PTC heating components, the heating part is provided with a water cavity for water to pass through, the metal outer pipe is arranged in the water cavity, a space is arranged between the metal outer pipe and the water cavity to supply water to flow, the heating part is provided with a water inlet and a water outlet, and the water inlet and the water outlet are communicated with the water cavity.

Further, the water cavity penetrates through the heating part to form two openings at two opposite ends of the heating part, the metal outer pipe is inserted into the water cavity from one opening and is hermetically connected and fixed with the opening through a flange, and the water inlet and the water outlet are formed in the other opening.

Furthermore, PTC heating element is equipped with at least two, and heating portion also is equipped with at least two, is equipped with the connecting seat that has the intercommunication chamber on one of them one end opening of heating portion, and the one end and the connecting seat of heating portion are connected fixedly to be located the opening and the intercommunication chamber of this one end with heating portion, water inlet and delivery port form respectively on the other end opening of heating portion, so that water gets into in one of them heating portion and gets into another heating portion from the intercommunication chamber from the water inlet, flow out from the delivery port at last, realize heating water many times.

Furthermore, a temperature control switch and a fuse which are electrically connected with the PTC heating assembly are arranged on the flange.

Furthermore, a mounting seat is arranged on the flange, and the temperature control switch and the fuse are fixed on the mounting seat.

Further, the body is made of a plastic material.

Compared with the prior art, the utility model adopts the plug-in water heating device, so that the water heating device can be directly contacted with water, the heating efficiency is improved, and the stability of the heating power can be kept.

Drawings

Fig. 1 is a schematic exploded perspective view of a water heater according to the present invention.

Fig. 2 is a schematic view of the internal structure of the water heater of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1 and 2, the utility model discloses a water heating device, which comprises at least one PTC heating assembly 1, and further comprises metal outer tubes 2 with the same number as that of the PTC heating assemblies 1, wherein one end of each metal outer tube 2 is a closed surface, the PTC heating assemblies 1 are arranged in cavities of the metal outer tubes 2, metal inner tubes 3 are arranged outside the PTC heating assemblies 1 to protect insulating films of the PTC heating assemblies 1 when the PTC heating assemblies 1 are arranged in the metal outer tubes 2, flanges 4 are arranged on the metal outer tubes 2, through holes 41 are arranged on the flanges 4, and leads of the PTC heating assemblies 1 extend out of the through holes 41.

The metal outer pipe 2 is made of an aluminum alloy profile to improve heat transfer and corrosion resistance.

The PTC heating assembly 1 includes at least a PTC heating element, an electrode plate, and an insulating film, and the PTC heating assembly 1 is a prior art and is not particularly limited herein. The PTC heating assembly 1 is pressed in the metal inner tube 3, which metal inner tube 3 can also be made of an aluminium alloy profile.

As shown in fig. 1 and 2, the utility model also discloses a water heater, which comprises a non-metal body 5 and the water heating device, wherein the body 5 is provided with heating parts 6 with the same number as the PTC heating assemblies 1, water cavities 7 for water passing are arranged in the heating parts 6, the metal outer pipe 2 is arranged in the water cavities 7, a space is arranged between the metal outer pipe 2 and the water cavities 7 for water flowing, a water inlet 8 and a water outlet 9 are arranged on the heating parts 6, and the water inlet 8 and the water outlet 9 are communicated with the water cavities 7.

As shown in fig. 2, the water chamber 7 penetrates the heating part 6 to form two openings at opposite ends of the heating part 6, the metal outer tube 2 is inserted into the water chamber 7 from one of the openings and is hermetically connected and fixed to the opening by the flange 4, and the water inlet 8 and the water outlet 9 are formed at the other opening.

As shown in fig. 1 and 2, as an embodiment of the present invention, two PTC heating assemblies 1 are provided, two heating portions 6 are also provided, the metal outer tube 2 is symmetrically provided on the flange 4, a connecting seat 11 having a communicating cavity 10 is provided on an opening at one end of the two heating portions 6, one end of the heating portion 6 is fixedly connected to the connecting seat 11 to communicate the opening at the one end of the two heating portions 6 with the communicating cavity 10, and a water inlet 8 and a water outlet 9 are respectively formed on openings at the other ends of the two heating portions 6, so that water enters one heating portion 6 from the water inlet 8 and enters the other heating portion 6 from the communicating cavity 10, and finally flows out from the water outlet 9, thereby heating the water for multiple times.

One end of the connecting base 11 far away from the heating part 6 is provided with an opening, so that the flange 4 can be fixed on the connecting base 11 through screws, and the flange 4 is connected with the opening in a sealing manner.

As shown in fig. 1 and 2, a connecting plate 15 is provided at one end of each of the two heating portions 6 located at the water inlet 8 and the water outlet 9 to fix the two heating portions 6, and a fixing portion 16 for fixing is provided at each of the connecting base 11 and the connecting plate 15.

In this embodiment, the heating portion 6 is a tubular rod structure, and the cross-sectional shape of the heating portion is matched with the cross-sectional shape of the metal outer tube 2, so as to ensure the heating effect.

As shown in fig. 1 and 2, the flange 4 is provided with a temperature-controlled switch 12 and a fuse 13 electrically connected to the PTC heating assembly 1, and specifically, the flange 4 is provided with a mounting seat 14, and the temperature-controlled switch 12 and the fuse 13 are fixed on the mounting seat 14.

In the present invention, the body 5 and the mounting seat 14 can be made of plastic material.

The utility model has the following technical effects: the water heating device is directly contacted with water, so that the heating efficiency is improved, and the stability of heating power can be kept.

Set up two at least water cavities of crossing, all set up water heating device in two water cavities of crossing to hydroenergy can flow between the water cavity of crossing, realizes heating many times, has further improved heating efficiency.

The heating part is made of non-metal materials, so that the overall aesthetic property is improved, and the use and installation personnel can be ensured to have no scalding risk.

Claims

1. A water heating device comprising at least one PTC heating assembly (1), characterized in that: the metal outer pipe (2) with the same quantity of PTC heating assembly (1) is still included, the one end of metal outer pipe (2) is the closing surface, PTC heating assembly (1) sets up in the cavity of metal outer pipe (2), is provided with metal inner tube (3) outside PTC heating assembly (1), is equipped with flange (4) on metal outer pipe (2), is equipped with through-hole (41) on flange (4), and the lead wire of PTC heating assembly (1) stretches out from through-hole (41).

2. A water heater comprising a non-metallic body (5), characterized in that: the water heating device further comprises a water heating device according to claim 1, the body (5) is provided with heating portions (6) with the same number as the PTC heating assemblies (1), water cavities (7) for water to flow through are arranged in the heating portions (6), the metal outer pipe (2) is arranged in the water cavities (7), a space is arranged between the metal outer pipe (2) and the water cavities (7) for water to flow through, a water inlet (8) and a water outlet (9) are arranged on the heating portions (6), and the water inlet (8) and the water outlet (9) are communicated with the water cavities (7).

3. The water heater of claim 2, wherein: the water cavity (7) penetrates through the heating part (6) to form two openings at two opposite ends of the heating part (6), the metal outer pipe (2) is inserted into the water cavity (7) from one opening and is hermetically connected and fixed with the opening through the flange (4), and the water inlet (8) and the water outlet (9) are formed in the other opening.

4. The water heater of claim 3, wherein: PTC heating element (1) is equipped with at least two, heating portion (6) also are equipped with at least two, wherein one end opening of heating portion (6) is equipped with connecting seat (11) that have intercommunication chamber (10), the one end and the connecting seat (11) of heating portion (6) are connected fixedly, in order to be located opening and the intercommunication chamber (10) of this one end with heating portion (6), water inlet (8) and delivery port (9) form respectively on the other end opening of heating portion (6), so that water gets into in one of them heating portion (6) and get into another heating portion (6) from intercommunication chamber (10) from water inlet (8), flow out from delivery port (9) at last, realize heating water many times.

5. The water heater of claim 4, wherein: and the flange (4) is provided with a temperature control switch (12) and a fuse (13) which are electrically connected with the PTC heating assembly (1).

6. The water heater of claim 5, wherein: and a mounting seat (14) is arranged on the flange (4), and the temperature control switch (12) and the fuse (13) are fixed on the mounting seat (14).

7. The water heater of any one of claims 2-6, wherein: the body (5) is made of a plastic material.