CN210688766U - PTC heater of electric boiler - Google Patents

Abstract

The utility model belongs to the heater field relates to an electric boiler PTC heater, and it has solved the problem of how to promote the heating efficiency of heating pipe. The utility model discloses a connector, well frame and heating plate are equipped with the cross-section on the terminal surface under the well frame and are the circular shape through-hole, and the connector links firmly with the through-hole drill way, has the partition portion on the through-hole inner wall, and the partition portion evenly cuts apart into upper hole and lower hole with the through-hole, still is equipped with logical groove on the partition portion, leads to the inslot to be provided with heating plate and leads to groove circumference fixed, and the terminal surface still is equipped with the mounting groove near through-hole inner peripheral surface position under the well frame on the. This electric boiler PTC heater has improved heating efficiency greatly.

Description

PTC heater of electric boiler

Technical Field

The utility model belongs to the heater field relates to a heater, in particular to electric boiler PTC heater.

Background

The ceramic electric heating tube is made of good ceramic as a substrate and is provided with high-quality heating sheets, and has the advantages of high electric-heat conversion efficiency, fast temperature rise, small thermal inertia, high temperature resistance, corrosion resistance, good stability of thermochemical performance, long service life, high insulating strength, no pollution and energy conservation compared with other electric heating elements. The heating pipe on the common market is usually only provided with a single heating sheet, the single heating sheet causes low heating efficiency, water flow is heated unevenly, and heating is slow. The efficiency of water flow and heating plate single face contact heating is extremely low, can only maintain through dismantling whole heater when the heating plate damages moreover for we can't use normally when the maintenance and cause unnecessary trouble for our life. Therefore, the problem to be solved is that we are not reluctant to solve the problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an electric boiler PTC heater. The technical problem to be solved is how to improve the heating efficiency of the heating pipe.

In order to realize the purpose, the utility model adopts the technical scheme that:

the utility model provides an electric boiler PTC heater, includes connector, well frame and heating plate, be equipped with the cross-section on the terminal surface under the well frame and be circular shape through-hole, the connector links firmly with the through-hole drill way, the portion of cutting off has on the through-hole inner wall, cuts apart the portion and evenly cuts apart into upper hole and lower hole with the through-hole, still be equipped with logical groove in the portion of cutting off, it is fixed with logical groove circumference to lead to logical inslot to be provided with heating plate and heating plate, be close to through-hole inner peripheral surface position on the terminal surface still to be equipped with the mounting.

The lower end face of the middle frame is provided with a through hole with a circular section, the inner wall of the through hole is provided with a partition part, the partition part evenly divides the through hole into an upper hole and a lower hole, the partition part is also provided with a through groove, and a heating piece is arranged in the through groove and is circumferentially fixed with the through groove. Rivers can be followed hole and downthehole the flowing through down, and the portion of cutting off sets up between hole and the downthehole at last hole, sets up like this and makes the heating plate in the portion of cutting off can be better with rivers contact and heat. This product is divided into two with rivers, and two sides with the heating plate all utilize and heat rivers for heating efficiency obtains promoting by a wide margin, greatly reduced the energy consumption moreover, make the work efficiency of heating pipe obtain promoting. The position of the lower end face of the middle frame, which is close to the inner peripheral surface of the through hole, is also provided with a mounting groove, and a heating sheet is arranged in the mounting groove. Set up like this and make the heating plate can carry out the contact heating to rivers and the inside wall of last hole and lower hole a plurality of faces for heating efficiency obtains promoting by a wide margin. It is also advantageous that the individual heating strips can be removed for maintenance when they are damaged. The residual heating plates in the heating pipe can still continue to heat water flow, so that the use is greatly facilitated, and unnecessary loss is reduced.

In foretell an electric boiler PTC heater, through-hole drill way department is equipped with the convex part, the connector cross-section is the annular, and port and convex part joint on the connector still have the screw thread on the connector inside wall.

The connector has the function of butting with the pipeline, and is in clamping fit with the convex part on the middle frame, so that the butt joint and the disassembly of the heater and the pipeline become convenient.

In foretell an electric boiler PTC heater, the heating plate includes feeler and PTC heating member, the PTC heating member sets up at logical inslot, still be equipped with the notch on the convex part that leads to the groove position correspondence, the feeler passes the notch and extends along connector outer peripheral face direction, set up the PTC heating member in the mounting groove, the feeler extends outside the mounting groove.

The heating sheet comprises an antenna and a PTC heating body, wherein the antenna plays a role in connecting a circuit, so that the antenna needs to be exposed outside the lower end face of the middle frame to facilitate the butt joint of the circuit. The PTC heating body is arranged in the through groove and drives the middle frame to generate heat through heating, so that water flow in the middle frame is heated.

In the PTC heater for an electric boiler described above, the outer side of the center frame has a plurality of grooves.

The groove on the outer side surface of the middle frame can be clamped with the mounting part of the electric boiler, so that the mounting and the dismounting are convenient.

In the PTC heater for an electric boiler described above, the center frame is made of a ceramic material.

The ceramic material has the advantages of high heat conversion rate, ageing resistance, long service life and the like.

The utility model has the advantages that: the heating plate can carry out contact heating to rivers and the inside wall of last hole and lower hole a plurality of faces for heating efficiency is promoted by a wide margin. It is also advantageous that the individual heating strips can be removed for maintenance when they are damaged. The residual heating plates in the heating pipe can still continue to heat water flow, so that the use is greatly facilitated, and unnecessary loss is reduced.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is an assembly view of the present invention.

In the figure, 1, a connector; 2. a middle frame; 21. a through hole; 22. a partition part; 23. an upper hole; 24. a lower hole; 25. a through groove; 26. mounting grooves; 27. a convex portion; 28. a recess; 29. a groove; 3. a heating plate; 31. an antenna; 32. PTC heating body.

Detailed Description

As shown in fig. 1-2, a PTC heater for an electric boiler comprises a connection head 1, a middle frame 2 and a heating plate 3. The lower end surface of the middle frame 2 is provided with a through hole 21 with a circular section, and the connector 1 is fixedly connected with the orifice of the through hole 21. The inner wall of the through hole 21 is provided with a partition part 22, the partition part 22 evenly divides the through hole 21 into an upper hole 23 and a lower hole 2, the partition part 22 is further provided with a through groove 25, and the through groove 25 is internally provided with a heating sheet 3 and the heating sheet 3 is circumferentially fixed with the through groove 25. The water flow can flow through the upper hole 23 and the lower hole 24, and the partition part 22 is arranged between the upper hole 23 and the lower hole 24, so that the heating plate 3 in the partition part 22 can be better contacted with the water flow for heating. Divide into two with rivers, all utilize two sides of heating plate 3 to heat rivers for heating efficiency obtains promoting by a wide margin, greatly reduced the energy consumption moreover, make the work efficiency of heating pipe obtain promoting.

The lower end surface of the middle frame 2 is also provided with a mounting groove 26 close to the inner circumferential surface of the through hole 21, and the heating plate 3 is arranged in the mounting groove 26. The arrangement enables the heating plate 3 to contact and heat water flow and a plurality of surfaces of the inner side wall of the upper hole 23 and the inner side wall of the lower hole 24, so that the heating efficiency is greatly improved. There is also an advantage in that the individual heater chip 3 can be disassembled for maintenance when the individual heater chip 3 is damaged. The residual heating plates 3 in the heater can still continue to heat the water flow, so that the use is greatly facilitated, and unnecessary loss is reduced.

The hole opening of the through hole 21 is provided with a convex part 27, the section of the connector 1 is annular, the upper port of the connector 1 is clamped with the convex part 27, and the inner side wall of the connector 1 is provided with threads. The connector 1 has the function of abutting against the pipeline, and is matched with the convex part 27 on the middle frame 2 in a clamping manner, so that the butt joint and the disassembly of the heater and the pipeline become extremely convenient. The heating sheet 3 comprises an antenna 31 and a PTC heating body 32, wherein the antenna 31 plays a role of connecting a circuit, so that the antenna is required to be exposed outside the lower end face of the middle frame 2 to facilitate the butt joint of the circuit. The PTC heating body 32 is arranged in the through groove 25 and drives the middle frame 2 to generate heat through heating, so that water flow in the middle frame 2 is heated. The convex part 27 corresponding to the through slot 25 is further provided with a notch 28, an antenna 31 passes through the notch 28 and extends along the peripheral surface direction of the connector 1, a PTC heating body 32 is arranged in the mounting slot 26, and the antenna 31 extends outwards from the mounting slot 26. The outer side of the middle frame 2 is provided with a plurality of grooves 29. The middle frame 2 is made of ceramic materials, and the ceramic materials have the advantages of high heat conversion rate, long ageing resistance and service life and the like.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only for convenience of description, and are not intended to indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and therefore, are not to be considered as limitations of the present invention, and the fundamental principles, main features, and advantages of the present invention have been shown and described above, as would be understood by those skilled in the art.

Claims (5)

1. The utility model provides an electric boiler PTC heater, its characterized in that, includes connector (1), well frame (2) and heating plate (3), be equipped with the cross-section on well frame (2) lower terminal surface and be circular shape through-hole (21), connector (1) links firmly with through-hole (21) drill way, cut off portion (22) have on through-hole (21) inner wall, cut off portion (22) evenly cut apart into last hole (23) and lower hole (24) through hole (21), still be equipped with logical groove (25) on cut off portion (22), it is fixed with logical groove (25) circumference to be provided with heating plate (3) and heating plate (3) in logical groove (25), be close to through-hole (21) inner peripheral surface position on well frame (2) lower terminal surface and still be equipped with mounting groove (26), be provided with heating plate (3) in mounting groove (26).

2. A PTC heater for an electric boiler according to claim 1, wherein a protrusion (27) is formed at the opening of the through hole (21), the cross-section of the connector (1) is ring-shaped, the upper end of the connector (1) is connected with the protrusion (27), and the inner side wall of the connector (1) is provided with threads.

3. A PTC heater for an electric boiler according to claim 2, wherein the heating plate (3) comprises an antenna (31) and a PTC heater (32), the PTC heater (32) is disposed in the through groove (25), a recess (28) is further formed on the protrusion (27) corresponding to the through groove (25), the antenna (31) passes through the recess (28) and extends along the direction of the outer peripheral surface of the connector (1), the PTC heater (32) is disposed in the mounting groove (26), and the antenna (31) extends outward from the mounting groove (26).

4. A PTC heater for an electric boiler according to claim 1, characterized in that the central frame (2) has grooves (29) on its outer side.

5. An electric boiler PTC heater according to claim 1, characterized in that the middle frame (2) is made of ceramic material.

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