CN209763468U - Double-helix type cast aluminum heating element and small kitchen water heater thereof - Google Patents

Abstract

The utility model provides a two spiral formula cast aluminium heat-generating body and water heater, including heat-generating body water pipe, electric heating body, cast aluminium body and heat-generating body water pipe, the integrative die-casting shaping of electric heating body, the heat-generating body water pipe is including the water inlet pipe section, outer spiral water pipe, interior spiral water pipe, the delivery pipe section that connect in proper order, outer spiral water pipe and interior spiral water pipe are the spiral pipe of circle ring coiling, and outer spiral water pipe overlaps to be established in the interior spiral water pipe outside, and the coiling opposite direction of outer, interior spiral water pipe, the terminal of interior spiral water pipe of delivery pipe section connection and the cylindric inner chamber court that passes interior spiral water pipe stretch out along interior spiral water pipe's head end. The water heater adopting the spiral cast aluminum heating body has the advantages that the water pipe is isolated from the electric heating element, and the safety performance is high. The water heater has the advantages of simple structure, low cost and high market share.

Description

Double-helix type cast aluminum heating element and small kitchen water heater thereof

Technical Field

The utility model relates to an electric water heater technical field, more specifically say, relate to a two spiral formula cast aluminum heating body and little kitchen precious water heater thereof.

Background

The water heater is widely used in daily life of people, and water heated by the water heater is used for bathing, washing vegetables, washing pots, washing faces, washing hands and the like. The small kitchen water heater is an electric water heater which is designed for kitchen hot water and occupies a small space, can provide instant hot water for washing vegetables and pots, and can also be used in occasions with small hot water demand. For the design of electric water heater, the water and electricity separation can stop the possibility of electric shock, has very big advantage on the security performance, like the utility model discloses an electromagnetism water heater of application number CN200720151034.6, this water heater comprises water heater body, insulating thermal-insulated shell, wire and shell etc.. The water heater body is a water storage pipe and a heating pipe. The water heater comprises a water heater body, an insulating shell, a high-frequency alternating current, a water heater body and a water heater core, wherein the insulating shell is sleeved on the water heater body, dense wires are wound on the insulating shell, the high-frequency alternating current is introduced into the wires, the water heater body is positioned at the center of a magnetic field generated by the high-frequency alternating current, and heating is achieved. The electromagnetic water heater is water-electricity separated, safe and convenient to use. However, it has a large power consumption, requires a material for a water pipe or a container for storing water, and requires a design for preventing leakage of a magnetic field, and thus has a complicated structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two spiral formula cast aluminium heat-generating body and precious water heater in little kitchen thereof, its electrical heating simple structure, reliable to overcome prior art's not enough.

The technical proposal of the utility model for solving the technical problem is that: the utility model provides a two spiral formula cast aluminium heat-generating body, includes heat-generating body water pipe, electric heating body, the cast aluminium body is with heat-generating body water pipe, the integrative die-casting shaping of electric heating body, its characterized in that: the heating body water pipe includes the water inlet pipe section, outer spiral water pipe, interior spiral water pipe, the play water pipe section that connect in proper order, outer spiral water pipe and interior spiral water pipe are the spiral pipe of circle ring coiling, and outer spiral water pipe cover is established in the interior spiral water pipe outside, and the coiling opposite direction of outer, interior spiral water pipe, the play water pipe section is connected the end of interior spiral water pipe and is passed the cylindric inner chamber of interior spiral water pipe and stretch out towards the head end along interior spiral water pipe.

The electric heating body is a spiral electric heating pipe wound in a circular ring shape, and is arranged between the outer spiral water pipe and the inner spiral water pipe.

The tail end of the outer spiral water pipe is connected with the head end of the inner spiral water pipe.

The outer spiral water pipe, the inner spiral water pipe and the electric heating body are all straight cylindrical, the central lines of the outer spiral water pipe, the inner spiral water pipe and the electric heating body are overlapped, and the water outlet pipe section extends out of the cylinder body along the central line of the inner spiral water pipe.

The utility model provides a little kitchen precious water heater, includes the shell, sets up water heater, circuit board in the shell, connects water heater's inlet tube and outlet pipe, its characterized in that: the water heater adopts the double-helix cast aluminum heating element.

The utility model has the advantages that:

The utility model provides a two spiral formula cast aluminium heat-generating body adopts traditional electric heating mode, and the efficiency relative altitude, overall structure is reasonable, reliable. The heating body is by cast aluminium body, electrothermal tube, water pipe die-casting together, constitutes overall structure, works as switch on power supply electrothermal tube, and cast aluminium body generates heat at a high speed, and the circulating water is heated by high speed at the water pipe of heating body, provides hot water, and the thermal efficiency is high, and with the electric bar water storage heating or the electromagnetic heating body on the existing market compare can provide hot water fast, in succession, and simple structure, sturdy and durable, is prepared to people's favor. The utility model discloses this internal inside and outside double helix water pipe structure of adoption of cast aluminium, the electric bar clamp is between two spiral sleeve pipes, and the water pipe fully exchanges the heat with whole cast aluminium body, improves heat exchange efficiency. Meanwhile, the double-helix sleeve is arranged in the cast aluminum body, so that on one hand, the water flow pipeline is longer, and the water passing area in the heating body is greatly increased; on the other hand, when the water heater stops heating, the heating body absorbs the heat of the cast aluminum body due to the water body with larger capacity than the common design, so that the purpose of reducing the residual temperature is achieved, and the defect of overhigh outlet water temperature during the shutdown is avoided.

In addition, the cast aluminum heating body also has the advantages of strong corrosion resistance, no water leakage, no electric leakage and no maintenance.

The water heater adopting the spiral cast aluminum heating body has the advantages that the water pipe is isolated from the electric heating element, and the safety performance is high. The water heater has the advantages of simple structure, low cost and high market share.

Drawings

Fig. 1 is a schematic view of the appearance structure of the small kitchen water heater of the present invention.

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

fig. 3 is a schematic view of the water pipe structure of the double-helix cast aluminum heating element of the present invention.

FIG. 4 is a schematic view of the structure of the electric heating tube of the double-helix cast aluminum heating element of the present invention.

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 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 drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. "plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected. Can also be detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.

Referring to fig. 1-2, a small kitchen water heater comprises a shell 10, a water heater 1 and a circuit board 7 arranged in the shell, a water inlet pipe 2 connected with the water heater, and a water outlet pipe 3. The water heater is a double-screw type cast aluminum heating element, a water inlet pipe 2 and a water outlet pipe 3 communicated with the outside of the shell are respectively installed at two ends of the water heater, a temperature sensor (not shown) is arranged on the double-screw type cast aluminum heating element, and when the temperature of the heating element fed back by the temperature sensor is too high, the circuit board controls the double-screw type cast aluminum heating element to stop working, so that the dry burning phenomenon is avoided. Can set up rivers detection device on the inlet tube of two spiral formula cast aluminium heat-generating bodies, its runner that tests the speed passes through the wire and connects the circuit board, to circuit board conveying water velocity information, the control rule of circuit board requires that the electrical heating must cross when a definite value at water velocity just can start to prevent the possibility that the high incident that leads to scalding of outlet water temperature, in case the inflow undersize, then control the outage of electrical heating part. A temperature sensor may be provided on the outlet line to transmit the temperature of the outlet water and is displayed by a display 6 on the housing. The water inlet pipe 2 and the water outlet pipe 3 are respectively connected with a water tap 5 (namely a water mixing valve) outside the shell.

The end covers 4 are arranged at the water inlet and outlet ends of the double-screw cast aluminum heating element and are in threaded connection or buckled connection with the water inlet pipe 2 and the water outlet pipe 3, so that the double-screw cast aluminum heating element is convenient to install and disassemble.

Referring to fig. 3-4, the double-helix cast aluminum heating element comprises a heating element water pipe 12, an electric heating element 13 and a cast aluminum body 11, wherein the heating element water pipe and the electric heating element are cast with metal aluminum under pressure, and an aluminum shell is formed after cooling, so that the cast aluminum heating element which is integrally formed with the heating element water pipe and the electric heating element through die casting is manufactured. Cast aluminium heat-generating body is the cylinder shape, its heat-generating body water pipe is double-deck sleeve structure, including the water inlet pipe section 121 of connecting gradually, outer spiral water pipe 122, interior spiral water pipe 123, go out water pipe section 124, outer spiral water pipe and interior spiral water pipe are the spiral pipe of annular coiling and are that the equidimension coiling becomes the sleeve shape of straight cylindric, the coiling direction of two water pipes is just opposite, the end from outer spiral water pipe reduces the sleeve radius of coiling radius to interior spiral water pipe to central direction gradually, then the head end direction spiral coiling of outside spiral water pipe, until reacing or being close to the head end of outer spiral water pipe, the end of interior spiral water pipe is crooked to central direction arc and extend the formation along the terminal direction of the outside spiral water pipe of cylindric spiral pipe central line the play water pipe section. The electric heater 13 is a circularly wound spiral pipe, also straight cylindrical, whose sleeve diameter is larger than the inner spiral water pipe and smaller than the outer spiral water pipe, and whose cylinder height is the same as that of the inner and outer spiral water pipes, so that it can be inserted into the heating body water pipe from the head end direction of the outer spiral water pipe and is positioned between the inner and outer spiral water pipes. During the arrangement, the electric heater 13 is placed in the middle position of the inner and outer spiral water pipes to keep the same distance with the inner and outer spiral water pipes, so as to prevent the water temperature of the local pipe section from being too high.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents, and all changes that can be made without inventive step are intended to be embraced therein.

Claims (5)

1. The utility model provides a two spiral formula cast aluminium heat-generating body, includes heat-generating body water pipe, electric heating body, the cast aluminium body is with heat-generating body water pipe, the integrative die-casting shaping of electric heating body, its characterized in that: the heating body water pipe includes the water inlet pipe section, outer spiral water pipe, interior spiral water pipe, the play water pipe section that connect in proper order, outer spiral water pipe and interior spiral water pipe are the spiral pipe of circle ring coiling, and outer spiral water pipe cover is established in the interior spiral water pipe outside, and the coiling opposite direction of outer, interior spiral water pipe, the play water pipe section is connected the end of interior spiral water pipe and is passed the cylindric inner chamber of interior spiral water pipe and stretch out towards the head end along interior spiral water pipe.

2. A twin-screw cast aluminum heating element as defined in claim 1, further comprising: the electric heating body is a spiral electric heating pipe wound in a circular ring shape, and is arranged between the outer spiral water pipe and the inner spiral water pipe.

3. A twin-screw cast aluminum heating element as defined in claim 2, characterized in that: the tail end of the outer spiral water pipe is connected with the head end of the inner spiral water pipe.

4. A double-screw cast aluminum heating element as set forth in claim 3, characterized in that: the outer spiral water pipe, the inner spiral water pipe and the electric heating body are all straight cylindrical, the central lines of the outer spiral water pipe, the inner spiral water pipe and the electric heating body are overlapped, and the water outlet pipe section extends out of the cylinder body along the central line of the inner spiral water pipe.

5. The utility model provides a little kitchen precious water heater, includes the shell, sets up water heater, circuit board in the shell, connects water heater's inlet tube and outlet pipe, its characterized in that: the water heater is a twin-screw cast aluminum heat-generating body as claimed in any one of claims 1 to 4.