CN215490320U - PTC heating element, warm braw device and bathroom heater - Google Patents

Abstract

The PTC heating assembly comprises a PTC heating unit and a heat dissipation unit, wherein the heat dissipation unit is abutted against the outer side surface of the PTC heating unit, a vent hole penetrating through the PTC heating assembly from the outer side of the PTC heating unit is formed in the heat dissipation unit, and a graphene layer is arranged on the surface of the heat dissipation unit. The graphene high-heat-conduction material is sprayed on the heat-dissipation aluminum fins, so that the heat energy generated by the PTC ceramic piece can be quickly transferred to the indoor space through the wind blown by the fan by utilizing the high-heat-conduction characteristic of the graphene material, and the energy-saving effect is achieved. Simultaneously, utilize the characteristic that graphite alkene material produced far infrared, this PTC heating element can produce far infrared when using, and the far infrared is called the light of life, is good for the human body, can produce certain health physiotherapy effect.

Description

PTC heating element, warm braw device and bathroom heater

Technical Field

The utility model relates to a PTC heating assembly, in particular to a PTC heating assembly for a warm air device and a bath heater, and a related warm air device and a bath heater.

Background

Along with the development of human beings, the awareness of energy conservation, environmental protection and health of the society is higher and higher, and the requirements on living electrical appliances are also higher and higher. Besides the basic functions, the household electrical appliance can have additional functions of energy conservation, environmental protection, health and the like, and is gradually favored by people. In the modern society, a heater and a bathroom heater have become indispensable electric appliances in life. Ordinary warm braw device and bathroom heater, because directly through the potsherd heating, the aluminium fin heat dissipation, thermal efficiency is not high, and only can provide the heating function, can not satisfy people's healthy demand. Therefore, how to improve the heat efficiency conversion of the warm air device and the bath heater, and the problem that a new function of health physiotherapy is added while the common warm air function is met becomes an urgent need to be solved.

SUMMERY OF THE UTILITY MODEL

The present invention is to solve at least one of the above problems, and an object of the present invention is to provide a PTC heating element, a heater, and a bathroom heater, which have a heat energy conversion efficiency and can provide a certain health physiotherapy effect.

In order to achieve the above functions, the present invention provides a PTC heating assembly, which is characterized in that the PTC heating assembly includes a PTC heating unit and a heat dissipation unit, the heat dissipation unit is abutted against an outer side surface of the PTC heating unit, a vent hole penetrating through the PTC heating assembly from the outer side of the PTC heating unit is formed on the heat dissipation unit, and a graphene layer is disposed on a surface of the heat dissipation unit.

Preferably, the PTC heating assembly comprises at least two groups of PTC heating units and at least two groups of heat dissipation units, and the PCT heating units and the heat dissipation units of each group are alternately arranged.

Preferably, the PTC heating unit comprises a ceramic heating sheet.

Preferably, the heat dissipation unit comprises a frame attached to the PTC heating unit and a heat dissipation sheet arranged on the frame, wherein the heat dissipation sheet is formed by bending a metal plate.

Preferably, the heat sink is an aluminum corrugated plate.

Preferably, the outer surface of the heat dissipation unit is sprayed with a graphene material to form the graphene layer.

The application also provides a warm braw device, its characterized in that: the warm air device comprises a fan and the PTC heating assembly, an air flow channel is formed between the fan and the PTC heating assembly, and the fan pushes air to pass through the ventilation holes of the PTC heating assembly after passing through the air flow channel.

The application still another bathroom heater, its characterized in that: the bathroom heater includes box and panel, seted up the air outlet on the panel, PTC heating element sets up as before air outlet department.

Preferably, the box and the panel constitute the accommodation space, and a fan sets up wherein, the fan includes motor and impeller, the impeller periphery is provided with the wind channel, the exit linkage in wind channel the air outlet.

According to the PTC heating assembly provided by the utility model, the graphene high-heat-conduction material is sprayed on the heat-dissipation aluminum fins, and heat energy generated by the PTC ceramic plates is quickly transferred to the indoor space through wind blown by the fan by utilizing the high-heat-conduction characteristic of the graphene material, so that the effect of saving energy is achieved. The utility model provides a graphite alkene layer adopts the spraying to adhere to the technique, attaches to graphite alkene material spraying on PTC heat dissipation aluminium fin, because the coating is relatively thin, hardly produces the influence to the air-out amount of wind of equipment. Simultaneously, utilize the characteristic that graphite alkene material produced far infrared, this PTC heating element can produce far infrared when using, and the far infrared is called the light of life, is good for the human body, can produce certain health physiotherapy effect.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of the PTC heating assembly of the present invention;

FIG. 2 is a front view of the preferred embodiment of FIG. 1;

FIG. 3 is a schematic structural view of a preferred embodiment of the heater unit of the present invention;

FIG. 4 is a schematic structural view of a preferred embodiment of the super bath of the present invention;

FIG. 5 is an exploded view of the embodiment of FIG. 4;

fig. 6 is a schematic cross-sectional view of a heat sink in a preferred embodiment of the present invention.

Detailed Description

The PTC heating assembly, the heater unit and the bathroom heater according to the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, a PTC heating assembly 1 according to a preferred embodiment of the present invention has a flat plate shape as a whole, and includes a plurality of PTC heating units 11 and heat radiating units 12. The PTC heating units 11 and the heat radiating units 12 are alternately arranged with each other. In this embodiment, the PTC heating units 11 and the heat dissipating units 12 are both in the shape of a strip, and they are stacked and spliced in parallel to each other to form a plate, in other embodiments, the PTC heating units 11 and the heat dissipating units 12 may also be in the shape of a ring, and they are alternately arranged from inside to outside. In addition, only one group of PTC heating units 11 may be included, and the heat dissipation unit 12 may be disposed around the outside of the heating units 11, which is not limited in the present application.

In the present embodiment, each group of PTC heating units 11 includes a plurality of ceramic heating sheets, but in other embodiments, only one ceramic piece may be included, and the shape may be flexibly configured according to the usage scenario.

The heat dissipating unit 12 includes a rectangular frame 121, in which heat dissipating fins 122 formed by bending a metal plate are disposed, in this embodiment, the heat dissipating fins 122 are aluminum corrugated plates, and ventilation holes 123 are formed in the frame 121. Outside the frame where the PTC heating units 11 are attached, a heat dissipation unit 12 is sandwiched between two groups of PTC heating units 11 shown in fig. 1 and 2, and a ventilation hole 123 is formed on the heat dissipation unit to allow air to pass through the PTC heating assembly 1 from outside the PTC heating units 11. The heat generated by the PTC heating unit 11 is conducted from the frame 121 to the heat sink 122, and the air passes through the ventilation holes 123 to remove the heat from the heat sink 122. In this embodiment, the frame 121 and the heat sink 122 are both made of metal, and the end of the frame 121 is further provided with an electrode 124, so that the PTC heating unit 11 starts to generate heat after being powered on.

Fig. 6 shows a graphene layer 1221 formed on the surface of the heat dissipating unit 12 by spraying a graphene material, fig. 6 is a cross-sectional view of a portion of the heat dissipating fin 122 sprayed with a graphene material in this embodiment, and the graphene layer 1221 is sprayed on the outer surface of the aluminum plate 1222 serving as a heat dissipating element. The graphene material has excellent heat conductivity, and can transmit heat energy more quickly, so that the heat dissipation efficiency of the heat dissipation unit 12 is improved. Meanwhile, the graphene material can release far infrared rays when being heated, and the 8-15 mu m far infrared light waves generated by the graphene are close to the far infrared wavelength of a human body, so that heat can be transferred to the deep layer of skin tissues, and the effects of promoting blood circulation and relieving fatigue are achieved.

Fig. 3 shows an embodiment of the heater unit according to the present application, which includes the PTC heating element 1 attached with the graphene material, and a fan 2. The fan 2 is arranged at the rear side of the PTC heating assembly 1, and when the PTC heating assembly 1 conducts electricity and generates heat, the fan 2 pushes air to blow out warm air through the vent hole of the PTC heating assembly 1. By utilizing the high heat conductivity of the graphene material, the PTC heat can be conducted out more quickly, and far infrared rays emitted by the graphene irradiate the human body, so that the resistance of the human body can be enhanced. The utility model adopts the spraying and attaching technology to spray and attach the graphene material on the radiating fin 122, and the air output is hardly influenced because the coating is relatively thin. As shown in fig. 2, the heating apparatus of the present embodiment further includes a front cover 31 and a rear cover 32, which define an air flow path from the fan 2 to the PTC heating assembly 1, and in other embodiments, an effective air flow path may be formed through a housing or other internal structural members according to structural characteristics of the heating apparatus to guide the wind generated by the fan 2 to the PTC heating assembly 1, which is not limited in this application.

Another preferred embodiment of the present application is a bathroom heater as shown in fig. 4 and 5, the bathroom heater includes a box 5 and a panel 6 covering an opening end of the box, the panel is provided with an air outlet 601, and the PTC heating assembly 1 attached with the graphene material is disposed at the air outlet 601. The box body 5 and the panel 6 form an accommodating space, the fan 2 is arranged in the accommodating space, the fan 2 comprises a motor and an impeller, an air duct 4 is arranged on the periphery of the impeller, and an outlet of the air duct is connected with an air outlet 601 on the panel 6. In the embodiment, the graphene high-thermal-conductivity material is sprayed on the heat dissipation aluminum fins of the bath heater PTC, and the heat energy generated by the PTC ceramic sheet is rapidly transferred to the indoor space through the air duct air volume of the bath heater by utilizing the high-thermal-conductivity characteristic of the graphene material, so that the energy-saving effect is achieved. Meanwhile, the characteristic that the graphene material generates far infrared waves is utilized, so that the far infrared waves are generated when the device is used, the far infrared rays are called as life light, the device is beneficial to a human body, and a certain health physiotherapy effect can be generated.

The foregoing description of the preferred embodiments of the present application has been presented for purposes of illustration and description and is not intended to be exhaustive or to limit the application to the precise forms disclosed, and it will be apparent that numerous modifications and variations may be made thereto, which may be apparent to those skilled in the art, and are intended to be included within the scope of the application as defined by the appended claims.

Claims (9)

1. The utility model provides a PTC heating element, its characterized in that, PTC heating element includes PTC heating element and radiating element, the radiating element with PTC heating element's lateral surface butt, the last follow that is formed with of radiating element the PTC heating element outside is passed PTC heating element's ventilation hole, the radiating element surface is provided with graphite alkene layer.

2. A PTC heating assembly according to claim 1, wherein: the PTC heating assembly comprises at least two groups of PTC heating units and at least two groups of heat dissipation units, and the PTC heating units and the heat dissipation units are alternately arranged in each group.

3. A PTC heating assembly according to claim 1, wherein: the PTC heating unit includes a ceramic heating sheet.

4. A PTC heating assembly according to claim 1, wherein: the heat dissipation unit comprises a frame attached to the PTC heating unit and a heat dissipation sheet arranged on the frame, and the heat dissipation sheet is formed by bending a metal plate.

5. A PTC heating assembly according to claim 4, characterized in that: the radiating fins are aluminum corrugated plates.

6. A PTC heating assembly according to any of claims 1-5, characterized in that: the outer surface of the heat dissipation unit is sprayed with a graphene material to form the graphene layer.

7. A kind of warm braw device, characterized by: the heater unit includes a blower fan and a PTC heating assembly according to any one of claims 1 to 6, an air flow passage being formed between the blower fan and the PTC heating assembly, the blower fan pushing air through the air vent of the PTC heating assembly after passing through the air flow passage.

8. A bathroom heater is characterized in that: the bathroom heater comprises a box body and a panel, wherein an air outlet is formed in the panel, and the PTC heating component as claimed in any one of claims 1-6 is arranged at the air outlet.

9. The super bath of claim 8, wherein: the box and the panel constitute the accommodation space, and a fan sets up wherein, the fan includes motor and impeller, the impeller periphery is provided with the wind channel, the exit linkage in wind channel the air outlet.

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