CN219628672U

CN219628672U - Novel assembled heating element for electric mosquito repellent

Info

Publication number: CN219628672U
Application number: CN202320364669.3U
Authority: CN
Inventors: 李翔
Original assignee: Wenzhou Daou Electrical Co ltd
Current assignee: Wenzhou Daou Electrical Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-09-05
Anticipated expiration: 2033-03-02

Abstract

The utility model relates to a novel assembled heating element for an electric mosquito-repellent incense device, which belongs to the technical field of electric mosquito-repellent incense device parts and comprises a foot rest, a ceramic body, an aluminum pipe, a large-scale sheet, PTC (Positive temperature coefficient) and an elastic-scale sheet, wherein a through hole and a cavity are formed in the ceramic body, through holes are formed in the foot rest, the large-scale sheet, the PTC and the elastic-scale sheet are all arranged on the foot rest, the ceramic body covers the foot rest, the cavity is covered by the large-scale sheet, the PTC and the elastic-scale sheet, the through holes are coaxial with the through holes, the aluminum pipe is arranged in the through holes, one end of the aluminum pipe is embedded into the through holes, the large-scale sheet is attached to the inner wall of the cavity of the ceramic body, the PTC is pressed on the large-scale sheet through the elastic-scale sheet, retaining rings are arranged at two ends of the aluminum pipe, the aluminum pipe is used for clamping the foot rest and the ceramic body, the PTC is tightly attached to the large-scale sheet, and the PTC is tightly attached to the ceramic vertical surface, so that the consistency of PTC heat conduction is ensured, the heating stability of the whole heating element is ensured, and the heat efficiency is high.

Description

Novel assembled heating element for electric mosquito repellent

Technical Field

The utility model belongs to the technical field of electric mosquito repellent devices, and particularly relates to a novel assembled heating element for an electric mosquito repellent device.

Background

At present, the traditional heating body of the electric mosquito repellent heater mostly adopts a ceramic glue filling process, and the main process is that two wires are welded on two poles of a Positive Temperature Coefficient (PTC), then a proper amount of glue is filled into the ceramic, the welded PTC is plugged into the ceramic, a semi-finished product is put into a baking oven for baking, and the baked ceramic is riveted with a plastic bipod and an aluminum tube, so that a heating body finished product is manufactured.

As can be seen from the conventional heating element process of the electric mosquito repellent, the whole process is complicated, the procedures are more, and the temperature consistency of the heating element is the most important technical parameter for the heating element of the electric mosquito repellent. The heating stability of the traditional heating element depends on factors such as temperature errors of the PTC, the formula of glue, a drying process and the like, so that the consistency of the temperature of the traditional heating element is relatively difficult to control, and a required temperature range is generally selected through subsequent temperature measurement.

The heating element of the electric mosquito repellent incense liquid heater with the application number of CN201420142218.6 is used for heating electric mosquito repellent incense, but the heating mode of the structure of the design is resistance heating transmission, the heating stability is insufficient, and the heating efficiency is low.

Disclosure of Invention

1. Technical problem to be solved by the utility model

The utility model aims to solve the defects of insufficient heating stability and low heating efficiency of the traditional electrothermal mosquito-repellent incense.

2. Technical proposal

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model relates to a novel assembled heating element for an electric mosquito-repellent incense device, which comprises a foot rest, a ceramic body, an aluminum pipe, a large-scale sheet, a PTC (Positive temperature coefficient) and an elastic-scale sheet, wherein the ceramic body is provided with a through hole and a cavity, the foot rest is provided with a through hole, the large-scale sheet, the PTC and the elastic-scale sheet are all arranged on the foot rest, the ceramic body is covered on the foot rest, the cavity is covered by the large-scale sheet, the PTC and the elastic-scale sheet, the through hole is coaxial with the through hole, the aluminum pipe is arranged in the through hole, one end of the aluminum pipe is embedded into the through hole, the large-scale sheet is attached to the inner wall of the cavity of the ceramic body, the PTC is pressed on the large-scale sheet through the elastic-scale sheet, the two ends of the aluminum pipe are provided with baffle rings, and the foot rest and the ceramic body are clamped by the baffle rings.

Preferably, the foot rest comprises a connecting part and a supporting part, the through holes are positioned on the connecting part, the two sides of the through holes are provided with mounting holes, and the supporting part is used for supporting and sealing the cavity of the ceramic body.

Preferably, the supporting part is provided with a step structure, and the step structure is attached to the cavity.

Preferably, the ceramic body comprises an arc portion and a mounting portion, the through hole is located on the arc portion, the cavity is located on the mounting portion, and the ratio of the diameter of the through hole to the diameter of the arc portion is 1:1.2, the outer wall of the aluminum pipe is attached to the inner wall of the through hole.

Preferably, a clamping block is arranged in the cavity and is in fit contact with the side wall of the PTC, a bottom support is arranged in the cavity, the PTC is supported at the bottom, the elastic grade sheet and the large grade sheet are respectively provided with a connecting end, and the connecting ends extend out from the contact of the elastic body and the foot rest.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) The novel assembled heating element for the electric mosquito repellent device has the advantages that the PTC is tightly attached to the large pole piece, the PTC is tightly attached to the vertical ceramic surface, the consistency of PTC heat conduction is guaranteed, the heating stability of the whole heating element is guaranteed, and the heat efficiency is high.

(2) The novel assembled heating element for the electric mosquito repellent is provided with the aluminum pipe for conducting heat and transferring, and the heat efficiency is further improved.

Drawings

FIG. 1 is a schematic diagram of a novel assembled heating element for an electrothermal mosquito-repellent incense burner according to the present utility model;

FIG. 2 is a schematic view showing still another construction of a novel assembled heating element for an electric mosquito repellent device according to the present utility model;

fig. 3 is a schematic sectional view of a novel assembled heating element for an electrothermal mosquito-repellent incense burner according to the present utility model.

Reference numerals in the schematic drawings illustrate:

100. a foot rest; 110. a connection part; 120. a support part; 130. a through hole; 140. a mounting hole;

200. a ceramic body; 210. an arc part; 220. a mounting part; 230. a through hole; 240. a chamber;

300. an aluminum pipe; 310. a baffle ring;

400. large-scale slices;

500、PTC；

600. elastic grade sheet.

Detailed Description

In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which, however, the utility model may be embodied in many different forms and are not limited to the embodiments described herein, but are instead provided for the purpose of providing a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1-3, a novel assembled heater for an electrothermal mosquito-repellent incense device of this embodiment includes a foot rest 100, a ceramic body 200, an aluminum tube 300, a large-sized sheet 400, a PTC500 and an elastic-sized sheet 600, wherein the ceramic body 200 is provided with a through hole 230 and a cavity 240, the foot rest 100 is provided with a through hole 130, the large-sized sheet 400, the PTC500 and the elastic-sized sheet 600 are all installed on the foot rest 100, the ceramic body 200 covers the foot rest 100, the cavity 240 covers the large-sized sheet 400, the PTC500 and the elastic-sized sheet 600, the through hole 230 is coaxial with the through hole 130, the aluminum tube 300 is installed in the through hole 230, one end of the aluminum tube 300 is embedded in the through hole 130, the large-sized sheet 400 is attached to the inner wall of the cavity 240 of the ceramic body 200, the PTC500 is pressed on the large-sized sheet 400 by the elastic-sized sheet 600, the two ends of the aluminum tube 300 are provided with a baffle ring 310, the aluminum tube 300 is attached to the foot rest 100 and the ceramic body 200 by the baffle ring 310, during installation, the elastic-sized sheet and the large-sized sheet is installed in the ceramic, then pressed into the aluminum tube 500, and then the foot rest 100 is covered, and the foot rest 100 is tightly attached to the ceramic body 100, and the heat conduction performance of the PTC500 is guaranteed, and the heat conduction performance is tightly is guaranteed, and the heat conduction performance is tightly, and the heat conduction performance is guaranteed, and the heat-conducting performance is guaranteed.

It should be noted that when aluminum pipe 300 is removed, the heating function of the heat generating body can be performed, except that the heat conduction is not uniform more than in the case where aluminum pipe 300 is present, so that the optimal solution is that the temperature of the heat generating body can be conducted more well in the case where aluminum pipe 300 is present.

The stand 100 of this embodiment includes a connection portion 110 and a supporting portion 120, the through hole 130 is located on the connection portion 110, the two sides of the through hole 130 are provided with mounting holes 140, the supporting portion 120 is used for supporting and sealing the cavity 240 of the ceramic body 200, and the designed structure is convenient for external installation and the like.

The supporting portion 120 of this embodiment is provided with a step structure, the step structure is attached to the cavity 240, and the cavity 240 is sealed by attaching the step structure to the cavity 240, and meanwhile, the step structure keeps the stable balance of the device.

The ceramic body 200 of the present embodiment includes an arc portion 210 and a mounting portion 220, the through hole 230 is located on the arc portion 210, the chamber 240 is located on the mounting portion 220, and the ratio of the diameters of the through hole 230 and the arc portion 210 is 1:1.2, the outer wall of aluminum pipe 300 is bonded to the inner wall of through-hole 230, wherein the ratio of the diameters of through-hole 230 and circular arc portion 210 is 1:1.2, namely, the contact area of the aluminum tube 300 and the ceramic body 200, is maximized on the premise of smooth production and strength assurance, and the thermal efficiency is further improved.

According to the design, one electrode plane of the PTC500 is completely attached to one large electrode plate, the large-scale sheet 400 is completely attached to the ceramic body 200, the PTC500 is completely attached to the other electrode of the large-scale sheet 400 through the elastic electrode, the large-scale sheet 400 is completely attached to the ceramic body 200, heat of the PTC500 is mainly transferred to the ceramic body 200 through the large electrode plate, and only the PTC500, the large electrode plate and the ceramic body 200 are completely attached, the heating stability of a heating body is guaranteed, and the foot rest 100 and the ceramic body 200 are riveted through the aluminum tube 300, so that the whole heating body is more stable and reliable.

The clamping block is arranged in the chamber 240 of the embodiment, the clamping block is in fit contact with the side wall of the PTC500, the bottom support is arranged in the chamber 240, the PTC500 is supported at the bottom, the elastic sheet 600 and the large sheet 400 are respectively provided with a connecting end, and the connecting ends extend out from the contact of the elastic body and the foot rest 100.

Compared with the traditional structure, the structure of the design is relatively simple in process, only PTC500 and pole pieces are needed to be installed, the whole is buckled with the ceramic body 200, the foot rest 100 and the ceramic body 200 are riveted through the aluminum tube 300, meanwhile, wires can be connected through riveting, inserting, spot welding and other modes, automatic equipment is adopted in the whole process for one-time automatic assembly, and the temperature consistency is relatively well controlled.

The foregoing examples merely illustrate certain embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the utility model, all of which fall within the scope of protection of the utility model; accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A novel assembled heat-generating body for electric mosquito-repellent incense ware which characterized in that: including foot rest (100), ceramic body (200), aluminum pipe (300), big grade piece (400), PTC (500) and elasticity grade piece (600), be equipped with through-hole (230) and cavity (240) on ceramic body (200), be equipped with through-hole (130) on foot rest (100), big grade piece (400), PTC (500) and elasticity grade piece (600) are all installed on foot rest (100), ceramic body (200) cover on foot rest (100), and cavity (240) cladding big grade piece (400), PTC (500) and elasticity grade piece (600), through-hole (230) are coaxial with through-hole (130), aluminum pipe (300) are installed in through-hole (230), and in one end embedding through-hole (130) of aluminum pipe (300), the inner wall of cavity (240) of ceramic body (200) is laminated to big grade piece (400), PTC (500) are pressed on big grade piece (400) aluminum pipe through elasticity grade piece (600), the both ends of aluminum pipe (300) are equipped with stop ring (310), stop ring (300) through ceramic body (200).

2. A novel assembled heating element for an electrothermal mosquito-repellent incense burner according to claim 1, characterized in that: the foot rest (100) comprises a connecting part (110) and a supporting part (120), wherein the through hole (130) is arranged on the connecting part (110), mounting holes (140) are formed in two sides of the through hole (130), and the supporting part (120) is used for supporting and sealing a cavity (240) of the ceramic body (200).

3. A novel assembled heating element for an electrothermal mosquito-repellent incense burner according to claim 2, characterized in that: the supporting part (120) is provided with a step structure, and the step structure is attached to the cavity (240).

4. A novel assembled heating element for an electrothermal mosquito-repellent incense burner according to claim 1, characterized in that: the ceramic body (200) comprises an arc part (210) and a mounting part (220), the through hole (230) is positioned on the arc part (210), the chamber (240) is positioned on the mounting part (220), and the ratio of the diameter of the through hole (230) to the diameter of the arc part (210) is 1: and 1.2, the outer wall of the aluminum pipe (300) is attached to the inner wall of the through hole (230).

5. The novel assembled heating element for the electrothermal mosquito-repellent incense burner according to claim 4, wherein: the utility model discloses a device for fixing a foot rest, including cavity (240) and elastic grade piece (600), be equipped with the fixture block in cavity (240), the fixture block is equipped with bottom sprag in the lateral wall laminating contact of PTC (500) with PTC (500), be equipped with bottom sprag in cavity (240) and support PTC (500), elastic grade piece (600) and all be equipped with the link on big grade piece (400), the link stretches out from the contact of elastomer and foot rest (100).