CN219592646U

CN219592646U - Insulating heater

Info

Publication number: CN219592646U
Application number: CN202320123239.2U
Authority: CN
Inventors: 刘锦平; 张榅娇
Original assignee: FOSHAN HUANUO TEMPERATURE CONTROLLER CO LTD
Current assignee: FOSHAN HUANUO TEMPERATURE CONTROLLER CO LTD
Priority date: 2023-02-06
Filing date: 2023-02-06
Publication date: 2023-08-25
Anticipated expiration: 2033-02-06

Abstract

The utility model relates to an insulating heater in the technical field of heaters, which comprises a shell and PTC heating plates, wherein the PTC heating plates are positioned between two ends of the inner wall of the shell, conductive plates connected through conductive wires are fixedly arranged on two sides of the upper surface of the PTC heating plates, a power wire electrically connected with an external power supply is arranged outside one end of the shell, a power connector is fixedly connected with one end of the power wire far away from the shell, the power wire is communicated with one end of the conductive plate far away from the conductive wire, an insulating groove is formed in the inner wall of the shell, a heat radiating device sleeved on the outer surface of the PTC heating plates is arranged on the inner wall of the insulating groove, and magnesium oxide paved on the outer surface of the heat radiating device is arranged on the inner wall of the insulating groove. Through setting up the inside of shell and having the magnesia of laying in the heat abstractor outside, the inner wall that makes the shell that can be fine has insulating effect with the outside, and magnesia has good heat conduction nature simultaneously, has the effect that keeps heat transfer and can make the shell uncharged again.

Description

Insulating heater

Technical Field

The utility model relates to the technical field of heaters, in particular to an insulating heater.

Background

The traditional non-insulating PTC air heater adopts PTC ceramic heating plate direct contact aluminium radiating strip, and the power cord is direct mounted on aluminium radiating strip, and aluminium radiating strip is electrified, and the heat conduction efficiency of this kind of PTC air heater is higher, but aluminium radiating strip electrified, uses unsafe, and the PTC air heater of insulating type on the market at present adopts PTC ceramic heating plate outside parcel insulating film, and the aluminium pipe is wrapped up again to the insulating film outside, and aluminium radiating strip is glued again to the aluminium pipe outside, and although aluminium radiating strip is uncharged, has solved safe in utilization, but because insulating film's heat conduction is poor, can make heat transfer efficiency low, therefore we propose an insulating type heater.

Disclosure of Invention

In view of the above problems, the present utility model provides an insulated heater having an insulation and stable heat conduction effect.

The technical scheme of the utility model is as follows:

the utility model provides an insulating heater, includes shell, PTC heating plate, the PTC heating plate is located between the inner wall both ends of shell, the equal fixed mounting in upper surface both sides of PTC heating plate has the conducting strip of being connected through the conducting wire, the one end outside of shell is equipped with the power cord of being connected with external power supply electricity, the one end fixedly connected with power connection of shell is kept away from to the power cord, and the one end that the conducting wire was kept away from to the power cord and conducting strip is linked together, the inner wall of shell is equipped with the insulating groove, the inner wall of insulating groove is equipped with the cover and establishes the heat abstractor at the PTC heating plate surface, the inner wall of insulating groove is equipped with the magnesia of laying at the heat abstractor surface.

In further technical scheme, two through wires holes have been seted up to the one end of shell, the one end of power cord runs through the through wires hole and runs through to the intracavity of shell, the surface cover of power cord is equipped with the locating piece that closely laminates with the through wires hole, the surface of locating piece is equipped with the locating hole, and the inner wall in locating hole closely laminates with the surface of power cord.

In a further technical scheme, one side of the positioning block is provided with high-temperature-resistant glue filled into the inner wall of the positioning hole.

In a further technical scheme, the heat dissipating device comprises an aluminum pipe attached to the inner wall of the insulation groove, the aluminum pipe is wrapped on two sides of the outer surface of the PTC heating plate in a mouth shape, and the magnesium oxide is paved on the inner wall of the insulation groove.

In a further embodiment, the PTC heating plate is provided as a ceramic heating plate.

In a further technical scheme, the conducting strip is an aluminum conducting strip, a copper conducting strip, a titanium conducting strip, a stainless steel conducting strip, an alloy conducting strip, a carbon conducting strip or a graphite conducting strip, and the shell is made of rigidity.

The beneficial effects of the utility model are as follows:

the magnesium oxide paved outside the heat dissipation device is arranged inside the shell, so that the inner wall and the outside of the shell have an insulating effect, and meanwhile, the magnesium oxide has good heat conduction property, and has the effects of keeping heat transfer and keeping the shell uncharged;

through setting up the locating piece of through wires hole and having the locating hole, can make the power cord have stability when passing the shell, the setting of locating piece can make the power cord external surface insulating simultaneously, can protect the junction not fragile again.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic side sectional view of an embodiment of the present utility model;

FIG. 3 is a schematic top view of a cross-sectional structure of an embodiment of the present utility model;

fig. 4 is a schematic view of the structure of an aluminum pipe according to an embodiment of the utility model.

Reference numerals illustrate:

1. a housing; 2. PTC heating plate; 3. a conductive sheet; 4. a conductive wire; 5. a power line; 6. an insulation groove; 7. an aluminum pipe; 8. a power supply connector; 9. a threading hole; 10. a positioning block; 11. and positioning holes.

Description of the embodiments

Embodiments of the present utility model are further described below with reference to the accompanying drawings.

Examples

As shown in fig. 1-4, an insulated heater comprises a housing 1 and a PTC heating plate 2, wherein the PTC heating plate 2 is positioned between two ends of the inner wall of the housing 1, the PTC heating plate 2 is arranged as a ceramic heating plate, conductive plates 3 connected through conductive wires 4 are fixedly installed on two sides of the upper surface of the PTC heating plate 2, the conductive plates 3 are arranged as aluminum conductive plates, copper conductive plates, titanium conductive plates, stainless steel conductive plates, alloy conductive plates, carbon conductive plates or graphite conductive plates, the housing 1 is made of rigidity, a power wire 5 electrically connected with an external power supply is arranged at one end of the housing 1, a power connector 8 is fixedly connected to one end of the power wire 5 far away from the housing 1, the power wire 5 is communicated with one end of the conductive plates 3 far away from the conductive wires 4, an insulation groove 6 is arranged at the inner wall of the housing 1, an aluminum pipe 7 sleeved on the outer surface of the PTC heating plate 2 is sleeved on two sides of the outer surface of the PTC heating plate 2, the aluminum pipe 7 is wrapped on the two sides of the outer surface of the PTC heating plate 2 in a mouth shape, and magnesium oxide is arranged on the inner wall of the insulation groove 6.

The working principle of the technical scheme is as follows:

through setting up insulating tank 6 department of shell 1 and being equipped with magnesium oxide, can make aluminum pipe 7 when the conduction heat, by magnesium oxide conduction for shell 1, carry out heat transfer, because magnesium oxide has insulating effect, and good heat conduction nature, can make the device keep heat transfer and enable the effect that shell 1 surface had the outage again, improve the safety in utilization, set up the material of shell 1 in addition and be the rigidity, can make shell 1 have the effect of insulating back normal conduction heat release, conductive plate 3 set up to aluminium conducting plate simultaneously, copper conducting plate, titanium conducting plate, stainless steel conducting plate, alloy conducting plate, carbon conducting plate or graphite conducting plate, can make the whole insulation conductivity increase of device, guarantee the heat conduction effect.

When the PTC heating plate 2 is used, generated heat can be transferred to the surface of the aluminum tube 7 by driving the conductive plate 3, and then heat conduction is carried out on the air and the inner wall of the insulation groove 6 by heat dissipation of the aluminum tube 7.

In another embodiment, as shown in fig. 3, two threading holes 9 are formed at one end of the housing 1, one end of the power cord 5 penetrates into the cavity of the housing 1 through the threading holes 9, a positioning block 10 tightly attached to the threading holes 9 is sleeved on the outer surface of the power cord 5, a positioning hole 11 is formed on the outer surface of the positioning block 10, the inner wall of the positioning hole 11 is tightly attached to the outer surface of the power cord 5, and 704 high-temperature-resistant glue filled into the inner wall of the positioning hole 11 is arranged on one side of the positioning block 10.

Through setting up through wires hole 9 and the locating piece 10 that has locating hole 11, can make power cord 5 have stability when passing shell 1, the setting of locating piece 10 can make power cord 5 surface insulating simultaneously, can protect the junction not fragile again, and the wrapping up of locating piece 10 surface has the 704 high temperature resistant glue of filling to locating hole 11 inner wall, can make the junction of power cord 5 and shell 1 have the leakproofness, makes the outside of whole device have good insulativity simultaneously.

The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. The utility model provides an insulating heater, includes shell (1), PTC heating piece (2) are located between the inner wall both ends of shell (1), its characterized in that: the PTC heating plate comprises a shell (1), wherein the two sides of the upper surface of the shell (1) are fixedly provided with conducting strips (3) connected through conducting wires (4), one end of the shell (1) is externally provided with a power wire (5) electrically connected with an external power supply, one end of the power wire (5) away from the shell (1) is fixedly connected with a power connector (8), the power wire (5) is communicated with one end of the conducting strips (3) away from the conducting wires (4), the inner wall of the shell (1) is provided with an insulating groove (6), the inner wall of the insulating groove (6) is provided with a heat radiating device sleeved on the outer surface of the PTC heating plate (2), and the inner wall of the insulating groove (6) is provided with magnesia paved on the outer surface of the heat radiating device.

2. An insulated heater as claimed in claim 1, wherein: two through wires holes (9) have been seted up to the one end of shell (1), the one end of power cord (5) runs through wires hole (9) to the intracavity of shell (1), the surface cover of power cord (5) is equipped with locating piece (10) with through wires hole (9) closely laminating, the surface of locating piece (10) is equipped with locating hole (11), and the inner wall of locating hole (11) closely laminates with the surface of power cord (5).

3. An insulated heater as claimed in claim 2, wherein: one side of the positioning block (10) is provided with 704 high-temperature-resistant glue filled into the inner wall of the positioning hole (11).

4. An insulated heater as claimed in claim 1, wherein: the heat dissipation device comprises an aluminum pipe (7) attached to the inner wall of the insulation groove (6), the aluminum pipe (7) is wrapped on two sides of the outer surface of the PTC heating plate (2) in a mouth shape, and magnesium oxide is paved on the inner wall of the insulation groove (6).

5. An insulated heater as claimed in claim 1, wherein: the PTC heating plate (2) is a ceramic heating plate.

6. An insulated heater as claimed in claim 1, wherein: the conductive sheet (3) is an aluminum conductive sheet, a copper conductive sheet, a titanium conductive sheet, a stainless steel conductive sheet, an alloy conductive sheet, a carbon conductive sheet or a graphite conductive sheet, and the shell (1) is made of rigidity.