CN210107716U

CN210107716U - Novel water tank and thick film heater

Info

Publication number: CN210107716U
Application number: CN201920208763.3U
Authority: CN
Inventors: 吴鹿生; 钱建伟
Original assignee: Hangzhou Anluzhihui Home Furnishing Co Ltd
Current assignee: Hangzhou Anluzhihui Home Furnishing Co Ltd
Priority date: 2019-02-19
Filing date: 2019-02-19
Publication date: 2020-02-21
Anticipated expiration: 2029-02-19

Abstract

The utility model discloses a thick film heater, which comprises a water tank and a thick film heating plate, wherein the water tank comprises an upper end cover provided with a water outlet, an upper sealing ring, a box body, a lower sealing ring and a lower end cover provided with a water inlet, the upper end cover is fixedly connected with one end of the box body in a sealing way through the upper sealing ring, and the lower end cover is fixedly connected with the other end of the box body in a sealing way through the lower sealing ring; be equipped with the recess that extends to axis position more than 2 on the outer wall of box body, hug closely in the recess and set up the thick film hot plate, thick film hot plate thickness matches with the width of recess, makes recess inner wall is hugged closely to thick film hot plate both sides face. The utility model discloses divide into four with water tank one, increaseed through 4 recesses with the area of contact of hot plate, guarantee water abundant contact hot plate, accelerate to water heat transfer to adopt the thick film hot plate, wholly promoted the thermal efficiency.

Description

Novel water tank and thick film heater

Technical Field

The utility model belongs to the heating device field, concretely relates to novel water tank and thick film heater.

Background

The prior thick film heater generally has two structures, one structure is that a mica sheet is clamped between two thick film heating plates and is fixed on a flange cover by argon arc welding, the heating is carried out in water drainage, the thick film heating plate is flat and fast in temperature rise, the heat cannot be conducted out due to poor water quality and easy scaling, and the thick film heating plate is burnt out immediately once the heat is not dissipated. In another structure, the thick film heating plate is fixed on the aluminum alloy with inner circle and outer square or 6-angle by screws, and the whole water tank is made of aluminum alloy composite stainless steel. The structure has the advantages that the aluminum alloy is adopted to contact and heat water, scaling is not easy, but the swelling coefficient of the stainless steel thick film heating plate is large, the swelling coefficient of the stainless steel thick film heating plate is small, the thick film heating plate is sintered to be deformed, the middle part of the thick film heating plate is fixed by screws and is not tightly attached to an aluminum profile material, the deformation is accelerated after heating, the thick film heater is separated from the aluminum alloy contact surface, heat cannot be conducted out and damaged, and the heat on one surface of the thick film heating plate with low efficiency cannot be utilized. The two structures need argon arc welding, the processing and the installation are time-consuming and inconvenient, the heating space is small, and the cost, the quality and the quality can not be ensured.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a thick film heater which can effectively solve the problem that the swelling coefficients of two materials are different and not mutually influenced, and can be attached to a flat water tank without deformation and damage; but also make full use of the heat, make the incrustation scale influence minimum water tank and thick film heater to the thick film hot plate.

The utility model adopts the following technical scheme:

the utility model provides a novel water tank, includes the box body, and water inlet and delivery port setting bottom surface, its characterized in that about the box body: the side of box body is equipped with the recess that more than 2 extend to box body center line position, and the side of box body is equallyd divide to the position at this recess.

Furthermore, the box body is a cylindrical box body, and a groove which extends to the position of the axis of the cylindrical box body and has a spacing distance with the axis is arranged on the outer wall of the box body; the groove is equally divided into the side surfaces of the cylindrical box body, and the cylindrical box body is equally divided into the fan-shaped box body.

The utility model also provides a thick film heater, including box body, thick film hot plate, be equipped with the upper end cover of delivery port, upper seal circle, box body, bottom suspension fagging, be equipped with the bottom suspension fagging of water inlet, the upper end cover passes through upper seal circle and the sealed fixed connection of box body one end, and the bottom suspension fagging passes through bottom suspension fagging and the sealed fixed connection of the box body other end, the side of box body is equipped with the recess that extends to box body central line position more than 2, the position equipartition box body's at this recess place side, and hug closely in the recess and set up the thick film hot plate, thick film hot plate thickness matches with the width of recess, makes recess inner wall is hugged closely to.

Compared with the prior art, the utility model has the advantages of it is following:

1. the water tank is divided into a plurality of water tanks, preferably four water tanks to form four fan-shaped tank bodies, the heating plates are arranged in the grooves among the water tanks, so that the contact area between the water tanks and the heating plates is increased, the water is ensured to fully contact the heating plates, the heat transfer to the water is accelerated, and the thick film heating plates are adopted, so that the heat efficiency is integrally improved; simultaneously, the acting force between the inner walls of the grooves between the adjacent water tanks is utilized, the thick film heating plate is always tightly attached to the water tanks, the deformation of the thick film heating plate with the traditional structure and the damage caused by heat which cannot be conducted out are avoided, and the service life is prolonged.

2. Four sub-tank bodies are adopted to form a cylindrical water tank, the pressure of the circular water tank is good, water flow does not have dead angles, the heat conduction effect is good, and scaling is further reduced.

3. A Teflon coating is uniformly sprayed on the inner wall of the water tank body to prevent oxidation and scale; the aluminum used as the water tank mainly has the advantages of fast heat transfer of the aluminum, better combination effect with the Teflon than the stainless steel and low cost.

4. The manufacturing process comprises the following steps: the water tank box is integrally extruded and manufactured by aluminum alloy materials, the thick film heating plate is inserted and fixed between the grooves, argon arc welding of the traditional process is not needed, the manufacturing labor cost is greatly reduced, and the production efficiency of products is improved.

Drawings

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a sectional view of the case body of fig. 1.

In the figure, 1-insulation and heat insulation layer, 2-box body, 3-first thick film heating plate, 31-protruding end, 4-second thick film heating plate, 5-lower sealing ring, 6-lower end cover, 7-lower end cover fixing screw, 8-upper end cover fixing screw, 9-upper end cover, 10-upper sealing ring, 11-cylindrical silica gel, 12-water outlet, 13-groove and 14-filler.

Detailed Description

In order to facilitate understanding of the technical solutions of the present invention, the following detailed description is made with reference to the accompanying drawings and specific embodiments.

As shown in figure 1, the novel water tank and the thick film heater adopting the same comprise a tank body, a thick film heating plate, an upper end cover 9 provided with a water outlet 12, an upper sealing ring 10, a tank body 2, a lower sealing ring 5, a lower end cover 6 provided with a water inlet 11, an upper end cover 9 and an upper sealing ring 10. The box body is cylindrical box, adopt the extrusion die to make, cylindrical box side is equipped with 4 round hole grooves that equally divide along circumference and set up, this round hole groove and upper end cover 9, upper seal ring 10, lower seal ring 5, the screw that the size corresponds on the lower extreme cover 6, set screw 8 passes upper end cover 9 in proper order, upper seal ring 10 realizes three's sealed fixed connection with box body 2, and on the same way, lower extreme cover 6, lower seal ring 5 passes through set screw 7 sealed fixed connection with 2 lower extremes of box body.

The outer wall of the box body 2 is provided with a groove 13 which extends to the position of the axis of the cylindrical box body and has a spacing distance with the axis; the groove is equally divided into the side surfaces of the cylindrical box body, and the cylindrical box body is equally divided into the fan-shaped box body. In this embodiment, there are 4 grooves 13, which equally divide the cylindrical box into 4 fan-shaped boxes.

The bottom of the groove 13 is connected with a cylindrical silica gel blocking object, the cylindrical silica gel 14 is connected with the groove wall to form a fan-shaped box water-stop wall, the axial length of the cylindrical silica gel is smaller than the length of the groove, and a plurality of fan-shaped box water inlets and water outlets are formed.

The box body is made of aluminum alloy, the inner wall is uniformly sprayed with the Teflon coating or is subjected to oxidation treatment, and the inner walls of the upper end cover and the lower end cover are also sprayed with the Teflon coating or are subjected to oxidation treatment, so that rusting is prevented.

Hug closely in the recess 13 of water tank in proper order and be provided with first thick film hot plate 3, it is insulating with insulating layer 1, second thick film hot plate 4, insulating and the preferred mica sheet of insulating layer 1, three's thickness just with recess 13 width phase-match, be full of whole recess width, it is spacing through the both sides inner wall of recess 13, first thick film hot plate 3, it is insulating with insulating layer 1, second thick film hot plate 4 is tightly restricted at the inslot, be difficult to take place to warp.

First thick film hot plate 3, second thick film hot plate 4 all are L type thick film hot plate, can paste by the concatenation of a plurality of L type thick film hot plate and lean on the both sides wall face of recess to form, and the concatenation number of pieces sets up according to L type thick film hot plate power, water tank length, the utility model discloses L type thick film hot plate thickness 1.2mm, monolithic power 1750W. The protruding end 31 of the L-shaped thick film heating plate is used for installing a two-position wiring terminal to be connected with a power supply, and 8 leads are required to be connected in parallel.

The inner wall of both sides of the groove 13 is provided with a positioning groove matched with the L-shaped thick film heating plate, the non-protruding end of the first thick film heating plate 3 is inserted and embedded in the positioning groove corresponding to the groove 13, the non-protruding end of the second thick film heating plate 4 is inserted and embedded in the positioning groove of the other inner wall of the groove 13, the protruding ends of the first thick film heating plate 3 and the second thick film heating plate 4 are exposed on the same side of the thick film heater, and the protruding ends are arranged in a staggered mode and are not overlapped with.

The above is only the preferred embodiment of the present invention, and the protection scope of the present invention is defined by the scope defined by the claims, and a plurality of modifications and decorations made by those skilled in the art without departing from the spirit and scope of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a novel water tank, includes box body (2), bottom surface, its characterized in that about water inlet and delivery port setting box body (2): the side of the box body (2) is provided with more than 2 grooves (13) extending to the position of the central line of the box body (2), and the positions of the grooves (13) are equally divided into the side of the box body (2).

2. The water tank of claim 1, wherein: the box body (2) is a cylindrical box body, and a groove (13) which extends to the position of the axis of the cylindrical box body and has a spacing distance with the axis is arranged on the outer wall of the box body; the groove is equally divided into the side surfaces of the cylindrical box body, and the cylindrical box body is equally divided into the fan-shaped box body.

3. The water tank as claimed in claim 2, wherein: the bottom of the groove (13) is connected with a blocking object, the blocking object is connected with the groove wall to form a fan-shaped box body water-stop wall, the axial length of the blocking object is smaller than the length of the groove, and a plurality of fan-shaped box body water inlets and water outlets are formed.

4. The water tank of claim 3, wherein: the blocking object is cylindrical silica gel.

5. The water tank as claimed in claim 1 or 2, wherein: the number of the grooves (13) is 4 or 3, and the cylindrical box body is equally divided into 3 or 4 fan-shaped box bodies.

6. The water tank as claimed in claim 2, wherein: the side surface of the cylindrical box body is also provided with a plurality of circular hole grooves which are equally arranged along the circumferential direction.

7. The utility model provides a thick film heater, includes box body (2), thick film hot plate, be equipped with upper end cover (9) of delivery port (12), upper seal circle (10), box body (2), lower sealing washer (5), lower extreme cover (6) that are equipped with water inlet (11), upper end cover (9) are through upper seal circle (10) and box body (2) one end sealing fixed connection, lower extreme cover (6) are through lower sealing washer (5) and the sealed fixed connection of box body (2) other end, its characterized in that: the thick film heater adopts the box body (2) of any claim from 1 to 6, hugs closely in recess (13) and sets up the thick film hot plate, the width of thick film hot plate thickness and recess matches for recess inner wall is hugged closely to thick film hot plate both sides face.

8. The thick film heater of claim 7, wherein: thick film hot plate is including inseparable first thick film hot plate (3), insulation and insulating layer (1), second thick film hot plate (4) that set up in proper order, the outer wall of first thick film hot plate (3), second thick film hot plate (4) with the setting is hugged closely to the inner wall of recess (13).

9. The thick film heater of claim 8, wherein: the first thick film heating plate (3) and the second thick film heating plate (4) are both L-shaped thick film heating plates with protruding ends for mounting wiring terminals; first thick film hot plate (3), second thick film hot plate (4) are leaned on the both sides inner wall of recess (13) by the concatenation of a plurality of individual L type thick film hot plate according to water tank length.

10. The thick film heater of claim 8, wherein: the inner wall of the box body (2) is uniformly sprayed with a Teflon coating; the box body is an aluminum alloy box body; the inner walls of the two sides of the groove (13) are respectively provided with a positioning groove matched with the thick film heating plate, and the first thick film heating plate (3) and the second thick film heating plate (4) are inserted and embedded in the corresponding positioning grooves; the insulation and heat insulation layer (1) is a mica sheet.