CN219624150U

CN219624150U - Dual convection heat radiation structure of electric oil-filled radiator

Info

Publication number: CN219624150U
Application number: CN202321362213.XU
Authority: CN
Inventors: 陈启勇; 俞小芳
Original assignee: Ningbo Zhanzhi Electric Appliance Co ltd
Current assignee: Ningbo Zhanzhi Electric Appliance Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-09-01
Anticipated expiration: 2033-05-31

Abstract

The utility model provides a double convection heat dissipation structure of an electric heating oil heater, which comprises an electric heating oil heater body, wherein one end of the electric heating oil heater body is connected with a metal housing, two groups of ventilation holes are symmetrically formed in the bottom ends of two side walls of the metal housing, a first heat dissipation cavity is formed above the ventilation holes, a plastic housing is fixed on one side wall of the metal housing, an operation key is arranged on one side wall of the plastic housing, and a second heat dissipation cavity is formed in a matrix at the top end of the plastic housing, and the double convection heat dissipation structure has the beneficial effects that: according to the utility model, the second heat dissipation cavity is formed at the upper end of the plastic housing, and in the use process, heat in the plastic housing is discharged from the second heat dissipation cavity by virtue of the upward flow characteristic of the heat, so that the circuit board is dissipated, the circuit board is prevented from being burnt due to overhigh temperature, and meanwhile, the device is provided with a double convection heat dissipation structure by matching with the vent hole on the metal housing and the second heat dissipation cavity, so that the heat dissipation effect of the device is ensured.

Description

Dual convection heat radiation structure of electric oil-filled radiator

Technical Field

The utility model relates to the technical field of electric oil-filled heaters, in particular to a double convection heat dissipation structure of an electric oil-filled heater.

Background

When the electric oil-filled radiator is used for heating a living room, the electric oil-filled radiator should be close to the position of air convection as much as possible, so that the electric oil-filled radiator is warm and saves electricity. As the surface temperature of the radiator type oil heater can reach about 85 ℃ during working, the radiator type oil heater should avoid the head of a person as much as possible when being used for heating bedrooms. If children are in the house, the children should be placed in places which are not easy to touch, or some protection facilities are added around the children to prevent the children from being scalded when playing.

The existing heat radiation structure of the electric heating oil heater is shown in fig. 1, and the heat radiation is realized through the heat radiation fins, so that the heat radiation effect can be achieved, but because the circuit board in the plastic housing is clung to the metal housing and the plastic housing is of an integrated sealing structure, the heat in the metal housing can enter the plastic housing, and meanwhile, the heat generated by the circuit board in the working process can cause the temperature in the plastic housing to be too high, so that the circuit board is easy to burn out, and the heat radiation effect of the device is poor.

Disclosure of Invention

The utility model aims to solve the problem of providing a double convection heat dissipation structure of an electric heating oil heater so as to overcome the defects that in the prior art, a circuit board in a plastic housing is clung to a metal housing and the plastic housing is of an integrated sealing structure, heat in the metal housing can enter the plastic housing, and meanwhile, the heat generated by the circuit board in the working process can cause the inside temperature of the plastic housing to be too high, so that the circuit board is easy to burn out and the heat dissipation effect of the device is poor.

In order to solve the technical problems, the utility model provides a dual convection heat dissipation structure of an electric oil-filled radiator, which comprises an electric oil-filled radiator body, wherein one end of the electric oil-filled radiator body is connected with a metal housing, two groups of ventilation holes are symmetrically formed in the bottom ends of two side walls of the metal housing, and first heat dissipation cavities are formed in two sides above the ventilation holes; a plastic housing is fixed on one side wall of the metal housing, an operation key is arranged on one side wall of the plastic housing, and a second heat dissipation cavity is formed in a matrix at the top end of the plastic housing; relatively cool air enters from the vent holes, and hot air generated in the metal shell flows out of the first heat dissipation cavity and the second heat dissipation cavity to form circulating heat dissipation.

Further, the metal housing is connected with the electric heating oil heater body through bolts, and the vent hole and the first heat dissipation cavity are formed on two side walls of the metal housing.

Further, the plastic housing is fixed on one side wall of the metal housing through a screw, a circuit board is arranged in the plastic housing, and the operation key is electrically connected with the circuit board in the plastic housing.

Further, the second heat dissipation cavity is formed on the plastic housing, and the second heat dissipation cavity is fully distributed at the upper end of the plastic housing.

Further, the electric heating oil heater body comprises an electric heating pipe and cooling fins, the cooling fins are welded between the electric heating pipes, the cooling fins and the electric heating pipes are of a communication structure, heat conduction oil is filled in the cooling fins, and the number of the cooling fins is eight groups.

Further, two groups of supports are symmetrically arranged at two sides of the bottom end of the electric heating oil heater body, the supports are connected with the electric heating oil heater body through bolts, and universal wheels are symmetrically arranged at two sides of the bottom end of the supports.

Further, a switch is arranged on one side wall of the metal housing, and the switch is connected with the metal housing through a screw.

Further, the upper end of the plastic housing is provided with a handle.

Further, the lifting handle is of a telescopic structure, and the lifting handle is in telescopic connection with the plastic housing.

Further, the vent hole, the first heat dissipation cavity and the second heat dissipation cavity are arranged in a honeycomb mode.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the second heat dissipation cavity is formed at the upper end of the plastic housing, and in the use process, heat in the plastic housing is discharged from the second heat dissipation cavity by virtue of the upward flow characteristic of the heat, so that the circuit board is dissipated, the circuit board is prevented from being burnt due to overhigh temperature, and meanwhile, the device is provided with a double convection heat dissipation structure by matching with the vent hole on the metal housing and the second heat dissipation cavity, so that the heat dissipation effect of the device is ensured.

Drawings

FIG. 1 is a schematic diagram of a prior art electric heating oil heater;

fig. 2 is a schematic structural diagram of an electrothermal oil heater in the dual convection heat dissipation structure of the electrothermal oil heater according to the present utility model;

FIG. 3 is an enlarged view of the dual convective heat sink structure of the electric oil-filled radiator of the present utility model at A in FIG. 2;

fig. 4 is a schematic diagram of a dual convection heat dissipation structure of a second electric oil-filled radiator according to an embodiment of the utility model when the handle is pulled up;

fig. 5 is a schematic structural diagram of a dual convection heat dissipation structure of a second electric oil-filled radiator according to an embodiment of the utility model.

Description of the main reference signs

1	Vent hole
		2	Switch
3	Metal cover
		4	Operation key
5	Plastic housing
		6	Handle for carrying
7	First heat dissipation cavity
		8	Electric oil-filled radiator body
801	Electrothermal tube
		802	Heat sink
9	Support frame
		10	Universal wheel
11	Second heat dissipation cavity

The utility model will be further described in the following detailed description in conjunction with the above-described figures.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When an element is referred to as being "disposed 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 "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

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 "or/and" as used herein includes any and all combinations of one or more of the associated listed items.

Example 1

As shown in fig. 2 and 3, the dual convection heat dissipation structure of the electric oil-filled radiator in this embodiment includes an electric oil-filled radiator body 8, one end of the electric oil-filled radiator body 8 is connected with a metal casing 3, two sets of vent holes 1 are symmetrically provided at bottom ends of two side walls of the metal casing 3, a first heat dissipation cavity 7 is provided above the vent holes 1, a plastic casing 5 is fixed on one side wall of the metal casing 3, an operation key 4 is installed on one side wall of the plastic casing 5, and a second heat dissipation cavity 11 is provided at a top end of the plastic casing 5 in a matrix manner.

In this embodiment, the metal casing 3 is connected with the electrothermal oil heater body 8 through bolts, the vent hole 1 and the first heat dissipation cavity 7 are formed on two side walls of the metal casing 3, the vent hole 1 is arranged at the bottom end to enable external air to enter from the vent hole 1, and meanwhile, heat is discharged through the first heat dissipation cavity 7 sheets at the upper end by means of the upward flow of heat, so that convection heat dissipation is realized, the plastic casing 5 is fixed on one side wall of the metal casing 3 through bolts, a circuit board is installed in the plastic casing 5, the operation key 4 is electrically connected with the circuit board in the plastic casing 5, the operation key 4 can control the heating temperature of the electrothermal oil heater, the second heat dissipation cavity 11 is formed on the plastic casing 5, the second heat dissipation cavity 11 is fully distributed at the upper end of the plastic casing 5, and in the use process, heat in the plastic casing 5 is discharged from the second heat dissipation cavity 11 by means of upward flow of heat, so that the circuit board is prevented from being burnt due to overhigh temperature, and meanwhile, the vent hole 1 and the second heat dissipation cavity 11 on the metal casing 3 are matched, so that the device has a dual heat dissipation structure, and the heat dissipation effect of the device is ensured.

Specifically, the electric heating oil heater body 8 comprises an electric heating tube 801 and cooling fins 802, the cooling fins 802 are welded between the electric heating tube 801, the cooling fins 802 and the electric heating tube 801 are of a communication structure, heat conducting oil is filled in the cooling fins 802, the number of the cooling fins 802 is eight, in the working process of the electric heating oil heater body 8, the electric heating tube 801 heats the heat conducting oil, the heat conducting oil radiates heat into a space through the cooling fins 802, and then heats the space, two groups of brackets 9 are symmetrically arranged at the bottom end of the electric heating oil heater body 8, the brackets 9 are connected with the electric heating oil heater body 8 through bolts, universal wheels 10 are symmetrically arranged at the two sides of the bottom end of the brackets 9, the universal wheels 10 are convenient for moving, a switch 2 is arranged on one side wall of a metal housing 3, the switch 2 is connected with the metal housing 3 through bolts, the switch 2 controls the opening and closing of the device, a lifting handle 6 is arranged at the upper end of the plastic housing 5, and the lifting handle 6 is formed at the top end of the plastic housing 5.

The working principle of the utility model is as follows: the device is moved to a using position through the universal wheel 10, an external power supply is connected, the device is opened through the switch 2 and the heating temperature is controlled through the operation key 4, in the using process, the electric heating tube 801 heats heat conduction oil, the heat conduction oil radiates heat into the space through the radiating fins 802, and then the space is heated, meanwhile, heat in the metal housing 3 is discharged through the first radiating cavity 7, external air enters the metal housing 3 from the vent hole 1, the convection of the air can be realized, and the heat in the plastic housing 5 is discharged from the second radiating cavity 11 by virtue of the upward flowing characteristic of the heat, so that the circuit board is radiated, the circuit board is prevented from being burnt due to the overhigh temperature, and meanwhile, the device is provided with a double convection radiating structure by matching the vent hole 1 and the second radiating cavity 11 on the metal housing 3, so that the radiating effect of the device is ensured.

Example two

The second embodiment is substantially the same as the first embodiment except that: 1. the handle 6 is of a telescopic structure; 2. the ventilation hole 1, the first heat dissipation cavity 7 and the second heat dissipation cavity 11 are arranged in a honeycomb mode.

As shown in fig. 4 and 5, the carrying handle 6 is in a telescopic structure, the carrying handle 6 is in telescopic connection with the plastic housing 5, the carrying handle 6 is in damping connection or positioning hole connection with the plastic housing 5, the structure is the same as that of a draw-bar box draw-bar, and the carrying handle 6 is convenient for a worker to pull the device, is convenient for dragging and prevents the handle from being overheated and failing to drag.

The ventilation holes 1, the first heat dissipation cavity 7 and the second heat dissipation cavity 11 are arranged in a honeycomb shape, and the area of the holes can be increased by adopting the honeycomb holes, so that the heat dissipation and air intake speeds are higher, and the heat dissipation is facilitated.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

It will be appreciated by persons skilled in the art that the above embodiments have been provided for the purpose of illustrating the utility model and are not to be construed as limiting the utility model, and that suitable modifications and variations of the above embodiments are within the scope of the utility model as claimed.

Claims

1. Double convection heat radiation structure of electric oil-filled radiator, its characterized in that: the electric heating oil-filled radiator comprises an electric heating oil-filled radiator body (8), wherein one end of the electric heating oil-filled radiator body (8) is connected with a metal housing (3), two groups of ventilation holes (1) are symmetrically formed in the bottom ends of two side walls of the metal housing (3), and first radiating cavities (7) are formed in two sides above the ventilation holes (1); a plastic housing (5) is fixed on one side wall of the metal housing (3), an operation key (4) is arranged on one side wall of the plastic housing (5), and a second heat dissipation cavity (11) is formed in the top end of the plastic housing (5) in a matrix mode;

relatively cool air enters from the vent hole (1), and hot air generated in the metal housing (3) flows out of the first radiating cavity (7) and the second radiating cavity (11) to form circulating heat dissipation.

2. The dual convection heat dissipation structure of an electric oil-filled radiator as set forth in claim 1, wherein: the metal housing (3) is connected with the electric heating oil heater body (8) through bolts, and the vent hole (1) and the first heat dissipation cavity (7) are formed on two side walls of the metal housing (3).

3. The dual convection heat dissipation structure of an electric oil-filled radiator as set forth in claim 1, wherein: the plastic housing (5) is fixed on one side wall of the metal housing (3) through screws, a circuit board is arranged in the plastic housing (5), and the operation keys (4) are electrically connected with the circuit board in the plastic housing (5).

4. The dual convection heat dissipation structure of an electric oil-filled radiator as set forth in claim 1, wherein: the second heat dissipation cavity (11) is formed on the plastic housing (5), and the second heat dissipation cavity (11) is fully distributed at the upper end of the plastic housing (5).

5. The dual convection heat dissipation structure of an electric oil-filled radiator as set forth in claim 1, wherein: the electric heating oil heater comprises an electric heating pipe (801) and radiating fins (802), wherein the radiating fins (802) are welded between the electric heating pipe (801), the radiating fins (802) and the electric heating pipe (801) are of a communication structure, heat conduction oil is filled in the radiating fins, and the quantity of the radiating fins (802) is eight groups.

6. The dual convection heat dissipation structure of an electric oil-filled radiator as set forth in claim 5, wherein: two groups of brackets (9) are symmetrically arranged at two sides of the bottom end of the electric heating oil heater body (8), the brackets (9) are connected with the electric heating oil heater body (8) through bolts, and universal wheels (10) are symmetrically arranged at two sides of the bottom end of the brackets (9).

7. The dual convection heat dissipation structure of an electric oil-filled radiator as set forth in claim 6, wherein: a switch (2) is arranged on one side wall of the metal housing (3), and the switch (2) is connected with the metal housing (3) through a screw.

8. The dual convection heat dissipation structure of an electric heating oil heater according to claim 7, wherein: the upper end of the plastic housing (5) is provided with a handle (6).

9. The dual convection heat dissipation structure of an electric oil-filled radiator as set forth in claim 8, wherein: the lifting handle (6) is of a telescopic structure, and the lifting handle (6) is in telescopic connection with the plastic housing (5).

10. The dual convection heat dissipation structure of an electric oil-filled radiator as set forth in any one of claims 1-9, wherein: the ventilation hole (1), the first heat dissipation cavity (7) and the second heat dissipation cavity (11) are arranged in a honeycomb mode.