CN218634324U

CN218634324U - Low-pressure drying film heating sheet

Info

Publication number: CN218634324U
Application number: CN202221266166.4U
Authority: CN
Inventors: 李幸生
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2023-03-14
Anticipated expiration: 2032-05-24

Abstract

The utility model discloses a low-voltage drying film heating sheet, which comprises a substrate sheet; the far infrared heating sheet is arranged on one side or two sides of the substrate sheet in a conductive manner; a wiring portion provided on the base material sheet; and a control circuit disposed on the substrate sheet. The utility model discloses can solve current piece that generates heat starting power big, generate heat inhomogeneous and appear the electric leakage easily and the problem of electric shock risk.

Description

Low-voltage drying film heating sheet

Technical Field

The utility model relates to a piece field that generates heat specifically is a low pressure stoving film piece that generates heat.

Background

Some drying electrical appliances in the market, such as shoe dryers and the like, are powered by mains supply basically, generate heat by ceramic PTC heating sheets, and radiate heat by metal sheets; the heating sheet has the advantages of stable operation, low cost, simple production technology and wide application; the disadvantages are that the starting power is very large (at 50-100W), only about 10W is obtained after normal operation is stable, and some are even only 6W; the heating is uneven, the drying effect is influenced, the core heating temperature of the heating sheet exceeds 200 ℃, the edge temperature is only 20-30 ℃, and if the core temperature of the heating sheet exceeds 200 ℃, certain ignition risk exists; the risk of electric leakage and electric shock also exists; the 220V mains supply is used for supplying power, two electrodes of the heating sheet inside are basically in an exposed state, the use scene is limited, and the heating sheet can not be used without the mains supply, such as travel, field camping, riding and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a low pressure stoving film piece that generates heat can solve current piece that generates heat starting power big, generate heat inhomogeneous and appear the electric leakage easily and the problem of electric shock risk.

In order to achieve the above purpose, the utility model provides a following technical scheme: a low-voltage drying film heating sheet comprises a substrate sheet; the far infrared heating sheet is arranged on one side or two sides of the substrate sheet in a conductive manner; a wiring portion provided on the base material sheet; the control circuit is arranged on the base material sheet, and the base material sheet can be subjected to large-scale automatic production, so that the production efficiency is improved, and the production cost is reduced.

Preferably, the substrate sheet is an aluminum substrate, a PET film or a PI film, and the aluminum substrate, the PET film or the PI film is favorable for mass production of the substrate sheet, and can be cut into different shapes.

Preferably, the wiring part comprises a positive wiring terminal and a negative wiring terminal, so that low-voltage power supply below V is convenient to connect externally, the problems of electric leakage and electric shock are avoided, and power can be supplied by a USB.

Preferably, the LED sterilizing lamp beads are mounted on the base material sheet, so that the working state of the product can be displayed, and the LED sterilizing lamp beads have the sterilizing and disinfecting effects.

Preferably, both sides of the heating sheet are sealed by insulating materials, so that short circuit risk is avoided.

Preferably, the substrate piece on be provided with a plurality of fixed orifices round the far infrared piece that generates heat, conveniently generate heat the fixed of piece, use the far infrared piece that generates heat as the center when fixed, it is more firm.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The power supply is carried out by using low voltage below 24V, and particularly, the power supply can be carried out by using a USB (universal serial bus), so that the risk of electric shock is avoided;

(2) The whole heating temperature of the heating sheet is about 65-85 ℃, and the fire risk is avoided;

(3) The two sides of the whole heating sheet are totally closed by adopting insulating materials, so that the risk of short circuit is avoided;

(4) The far infrared heating technology has better drying effect,

(5) By utilizing the principle of surface heating, the whole heating sheet can generate heat very uniformly; the shoe drying effect is better;

(6) The large-scale automatic production improves the production efficiency by more than 100 times and reduces the production cost by more than 50 percent;

(7) The aluminum substrate or films such as pet and PI are designed as heating base materials by utilizing production technologies such as automatic winding, etching and printing, and the large-scale and automatic production can be realized.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

As shown in fig. 1, the utility model provides a low-pressure drying film heating sheet, which comprises a substrate sheet 1; the far infrared heating sheet 2 is arranged on one side or two sides of the substrate sheet 1 in a conductive manner; a wiring portion provided on the substrate sheet 1; and the control circuit 3 is arranged on the substrate sheet 1, so that the substrate sheet 1 can be subjected to large-scale automatic production, the production efficiency is improved, and the production cost is reduced.

The drying heating sheet can be applied to a shoe drying machine, a heating table pad, an electric blanket or the like, the drying heating sheet can be arranged in a heating electric appliance in a plurality of blocks, the substrate sheet 1 is an aluminum substrate, a PET film or a PI film, the aluminum substrate, the PET film or the PI film is beneficial to large-scale production of the substrate sheet 1, the substrate sheet can be cut into different shapes, production lines of the aluminum substrate, the PET film and the PI film are common in the market, the production efficiency is high, and the cost is low. Two side surfaces of the heating sheet are sealed by adopting insulating materials, and the risk of short circuit is avoided.

Meanwhile, in the embodiment, the wiring part comprises the positive wiring terminal 5 and the negative wiring terminal 6, low-voltage power supply below 24V is convenient to connect externally, the problems of electric leakage and electric shock are avoided, power can be supplied by a USB, and power can be supplied by USB output current of a mobile power supply, a notebook computer and the like when the heater is carried outdoors.

Meanwhile, the LED sterilizing lamp beads are mounted on the substrate sheet 1, so that the working state of the heating sheet, such as the working state and the power-on state, can be conveniently displayed.

Base material piece 1 on round far infrared heating piece 2 and be provided with a plurality of fixed orifices 4, conveniently generate heat the fixed of piece, use far infrared heating piece 2 as the center when fixed, more firm, wherein fixed orifices 4 preferred is 4.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless expressly specified otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Claims

1. The utility model provides a low pressure stoving film generates heat piece which characterized in that includes:

a substrate sheet (1);

the far infrared heating sheet (2) is arranged on one side or two sides of the base material sheet (1) in a conductive manner;

a wiring portion provided on the base material sheet (1);

a control circuit (3) provided on the base material sheet (1);

the substrate sheet (1) is provided with an LED sterilization lamp bead.

2. The low-voltage drying thin film heating sheet of claim 1, which is characterized in that: the base material sheet (1) is an aluminum substrate, a PET film or a PI film.

3. The low-voltage drying thin film heating sheet of claim 1, which is characterized in that: the wiring part comprises a positive wiring terminal (5) and a negative wiring terminal (6).

4. The low-voltage drying thin film heating sheet of claim 1, which is characterized in that: two side surfaces of the heating sheet are sealed by adopting insulating materials.

5. The low-voltage drying film heating sheet of claim 1, which is characterized in that: the base material sheet (1) is provided with a plurality of fixing holes (4) around the far infrared heating sheet (2).