CN201488105U

CN201488105U - Convection type electric warming oven

Info

Publication number: CN201488105U
Application number: CN2009201920797U
Authority: CN
Inventors: 陈毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-08-31
Filing date: 2009-08-31
Publication date: 2010-05-26
Anticipated expiration: 2019-08-31

Abstract

The utility model relates to a convection type electric warming oven, comprising a heating aluminium tube (2), a plurality of heat dissipation interlayers (3) and a control mask (1), wherein each heat dissipation interlayer (3) is a cavity which is formed by two long-strip shaped heat dissipation sheets (3a), and the center of the cavity is bulged to outside and the periphery thereof is laminated mutually, a first air hole (31) and a second air hole (32) are respectively arranged at the top part and bottom part of each heat dissipation interlayer (3), the heating aluminium tube (2) penetrates in a plurality of the heat dissipation interlayers (3) laterally, the control mask (1) is covered outside the head part of the heating aluminium tube (2), a control circuit board connected with power supply is arranged at the inner side of the control mask (1), and the control circuit board is electrically connected with the head part of the heating aluminium tube (2); compared with the prior art, the convection type electric warming oven is a fire-new convection type electric warming oven which achieves warming purpose by utilizing cold and hot air natural convection, the air supplying warming effect is good without additional air supplying energy consumption; in addition, the convection type electric warming oven has the advantages of simple structure, energy saving, safe and convenient usage, easy maintenance, low manufacturing cost and high heat efficiency.

Description

A kind of convection type electric heater

Technical field

The utility model relates to a kind of heating electric heater, relates in particular to a kind of convection type electric heater that adopts the heating of heating aluminum pipe.

Background technology

Household warming in the market, mainly comprise electric heating installation using oil as medium and PTC the pottery warm-air drier, wherein, the advantage of electric heating installation using oil as medium is the flames of anger, removable, shortcoming be preheating time long, power consumption is big, heating effect is not obvious.The advantage of PTC warm-air drier is not need preheating, forced convertion, and shortcoming is that air quantity is little, power consumption is big, is only applicable to 15 square metres of little spaces once.The PTC warm-air drier is one or more PTC heat-generating pipes are installed in device and are constituted the heating part, the heat that distributes by heater element reaches heating effect, be generally the heat energy Fast Heating ambient air that heater element is distributed, air blast also is housed in many warm-air driers the heat that heater element produces is produced by boasting from hot-air mouth, with the circumference air.This shows, need to adopt the air blast blowing, can make heater element not reach desirable heating temp, energy consumption is also higher, and air blast can only blow out hot blast from a face, and heating effect is not good enough.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of brand-new convection type electric heater at above-mentioned prior art present situation, its air-supply heating effect good, energy consumption is low, and simple in structure, production cost is lower.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: this convection type electric heater is characterized in that: comprise at least one heating aluminum pipe, vertically be provided with and parallel each other a plurality of heat radiation interlayers and a control face shield;

Wherein, each heat radiation interlayer is the cavity that a mediad outside that is made of two length of a film strip element fin is heaved, fitted all around, have the corresponding horizontal through hole of quantity on each heat radiation interlayer with the aluminum pipe that generates heat, and top, the bottom of each heat radiation interlayer have first passage, second passage;

Described heating aluminum pipe is horizontally through corresponding horizontal through hole on each heat radiation interlayer and is applied in a plurality of heat radiation interlayers, and the head of this heating aluminum pipe exposes to outside the side of a plurality of heat radiation interlayers;

Described control face shield covers the head outside of described heating aluminum pipe, and this control face shield inboard is provided with the control circuit board that links to each other with power supply, and the head of this control circuit board and described heating aluminum pipe is electrically connected.

During work, the heating aluminum pipe gets electric and generates heat, make and be positioned at the heat radiation interlayer and form air themperature rising within the cavity, the rule of utilizing thermal current upwards to flow naturally, hot-air in the cavity can be exported from first passage at cavity top by nature, and cold air can enter from second passage of cavity bottom is additional continuously, so, first passage is the gas outlet, second passage is as air inlet, cold and hot air forms the free convection that goes round and begins again in the formed cavity of heat radiation interlayer, and makes the atmosphere temperature rising in the space, thereby reaches the heating purpose.

Preferably, first passage on the described heat radiation interlayer top has a plurality of and is strip hole, and that second passage on the bottom has is a plurality of and rounded, like this, the air outlet at top can guarantee air output greatly, and the air inlet of bottom can prevent to a certain extent that foreign matter from entering the heat radiation interlayer.

In order to increase the heating installation output channel, each heat radiation interlayer can have a circle chimb of projection laterally at the edge of horizontal through hole, applying by chimb on two corresponding horizontal through holes between the side of adjacent two heat radiation interlayers links to each other, and, all be provided with a plurality of strip air outlets on two sides of each heat radiation interlayer, increase the heating installation output channel by increase a plurality of air outlets in both sides, and, though adjacent two heat radiation interlayers are close to mutually, but because of the setting of chimb is separated the side of each heat radiation interlayer, can not stop up air outlet, increase the utilization rate of heating aluminum pipe at length direction simultaneously, whole electric heater length is shorter.

In fact, can set up the air outlet of different shape on two sides of each heat radiation interlayer in position, to increase the heating installation output channel.

Heating aluminum pipe number in the electric heater device is many more, heat that speed is fast more, effect is strong more, but coupling apparatus size and cost, preferably, described heating aluminum pipe to be to be arranged at intervals with two up and down for good, and so, the horizontal through hole in a plurality of heat radiation interlayers is two of upper and lower settings correspondingly, and described strip air outlet is provided with two groups, and is provided with two horizontal through hole transpostion intervals.

Heat radiation interlayer for adjacent two applyings of balance, prevent applying power inequality and cause tilting, the top position of described heat radiation interlayer can offer a horizontal circular hole, laterally the edge of circular hole also can be provided with a circle bulge loop that protrudes laterally, and the height of chimb is consistent on the height of this bulge loop and the horizontal through hole.

For the temperature conduction on the interlayer that prevents to dispel the heat causes its damage to controlling face shield, described heat radiation interlayer can be provided with a thermal insulation board on that side near the control face shield, this thermal insulation board size adapts with the size of monolithic fin, keep apart thereby make thermal insulation board and be arranged on the parts such as wiring board of controlling the face shield inboard, and play heat-blocking action heat radiation interlayer and control face shield.

Aluminum pipe directly conducts to heat the heat radiation interlayer in order to prevent to generate heat, and make heat radiation interlayer self-temperature too high, cause situations such as personnel scald to take place, can be lined with heat insulating mattress between the horizontal through hole of heating aluminum pipe and heat radiation interlayer, but preferably, described heating aluminum pipe is arranged in the heat radiation interlayer vacantly, concrete set-up mode can be: the horizontal through hole in the described heat radiation interlayer is greater than the outside dimensions of heating aluminum pipe, and, the head of each heating aluminum pipe is provided with a gripper shoe, this gripper shoe just is fixed on the side of described thermal insulation board, like this, the heating aluminum pipe interlayer that dispels the heat is relatively fixed, and has the gap between heating aluminum pipe and a plurality of heat radiation interlayers and directly do not contact, both guaranteed that electric heater was safe in utilization, and do not influenced the aluminum pipe that generates heat again and air is heated and realize heating.

For strengthening the heat exchange area of heating aluminum pipe, strengthen the heating effect of heating aluminum pipe to surrounding air, described heating aluminum pipe cross section can be the X type, centre is a pipe, strengthen and heat area by increasing the aluminum sidewall that stretches to four sides, make the utilization rate height of heat energy, reach the effect of environmental protection and energy saving.

For increasing horizontal heating portion, the inboard of described control face shield can also have additional a PTC electro-heat equipment and a blower fan, and, have a horizontal air outlet on the described control face shield accordingly, during work, the heat that blower fan just produces the PTC electro-heat equipment blows out from the horizontal air outlet of control face shield.

Because electric heater generally needs as required and the shift position, the power line on the electric heater just twines easily, for addressing this problem, can have additional a bobbin winder base on the lateral surface of described control face shield, thereby avoids hindering because of power line is long use.

For ease of controlling, can be provided with regularly rotary switch and coupled timer, heating aluminum pipe gauge tap on the described control face shield, described timer and gauge tap and described control circuit board are electrically connected.

Compared with prior art, the utility model is designed a kind of brand-new convection type electric heater, it utilizes cold and hot natural convection air and reaches the heating purpose, the air-supply heating effect is good, need not extra air-supply energy consumption, and, because have that simple in structure, energy-conservation, safe in utilization, convenient, easy care, cost of manufacture are lower, the thermal efficiency is than advantages such as height.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is the three-dimensional exploded view of the utility model embodiment;

Fig. 3 is the structural representation of heating aluminum pipe among the utility model embodiment;

Fig. 4 is the structural representation of single heat radiation interlayer among the utility model embodiment;

Fig. 5 is the three-dimensional exploded view of heat radiation interlayer among the utility model embodiment.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As Fig. 1～shown in Figure 5, this convection type electric heater comprises a whole elongated control face shield 1, two heating aluminum pipes 2, vertically is provided with and parallel each other six heat radiation interlayers 3 and thermal insulation boards 4;

Wherein, each heat radiation interlayer 3 is to heave outside the mediad of being made up of two strip fin 3a amalgamation, mutual all around cavity of fitting, have two horizontal through holes 33 up and down on each heat radiation interlayer 3, the side (also being every fin 3a) of each heat radiation interlayer 3 is provided with two group leader's bar shaped air outlets 34, every group leader's bar shaped air outlet 34 has a plurality of strip air outlets 34 arranged side by side, the length direction of this strip air outlet 34 is consistent with the length direction of fin 3a, and, two group leader's bar shaped air outlets 34 and two horizontal through hole 33 transpostion interval settings, heat radiation interlayer 3 also offers a horizontal circular hole 35 above being positioned at this two group leaders bar shaped air outlet 34 and two horizontal through holes 33, referring to Fig. 4 and Fig. 5;

Each heat radiation interlayer 3 has a circle chimb 33a of projection laterally at the edge of horizontal through hole 33, laterally the edge of circular hole 35 also is provided with a circle bulge loop 35a who protrudes laterally, the height of chimb 33a is consistent on the height of this bulge loop 35a and the horizontal through hole 33, so, link to each other by the applying between corresponding chimb 33a and the corresponding bulge loop 35a between the side of adjacent two heat radiation interlayers 3;

Top, the bottom of each heat radiation interlayer 3 have first passage 31, second passage 32, and air can be circulated and mistake from inside cavity, form cross-ventilation, this first passage 31 has a plurality of, elongated, and that this second passage 32 also is evenly equipped with is a plurality of, rounded, referring to Fig. 4 and Fig. 5;

Described thermal insulation board 4 sizes adapt with the size of monolithic fin 3a, it is arranged between the inboard and a plurality of heat radiation interlayer 3 of control face shield 1, this thermal insulation board 4 covers on the monolithic fin 3a, just in time with around this monolithic fin 3a pasting mutually and form the another cross-ventilated cavity that forms around the thermal insulation board 4, this monolithic fin 3a also the chimb 33a by correspondence and corresponding bulge loop 35a applying and be connected to each other with adjacent heat radiation interlayer 3;

Described two heating aluminum pipes 2 are between the upper and lower every setting, each heating aluminum pipe 2 centre is a pipe 21, the pipe periphery has radial wall extension 22 and makes heating aluminum pipe 2 cross sections be the X type, each heating aluminum pipe 2 is in the mode perpendicular to each heat radiation interlayer 3 side, run transverse through horizontal through hole 33 corresponding on each heat radiation interlayer 3 and be applied in a plurality of heat radiation interlayers 3, horizontal through hole 33 sizes in the heat radiation interlayer 3 are greater than the outside dimensions of heating aluminum pipe 2, there is the gap and make between heating aluminum pipe 2 and the heat radiation interlayer 3, both are directly contact not, and, each heating aluminum pipe 2 head exposes to outside thermal insulation board 4 sides and connects in order to circuit, the head of each heating aluminum pipe 2 is provided with a gripper shoe 23, and the interlayer 3 that dispels the heat relatively is fixing by gripper shoe 23 fixing on described thermal insulation board 4 sides for each heating aluminum pipe 2;

In the present embodiment, the cavity of six heat radiation interlayers, 3 formation adds the cavity of thermal insulation board 4 and monolithic fin 3a composition, this electric heater possesses seven altogether and participates in cross-ventilated cavity, wherein, for the afterbody that makes heating aluminum pipe 2 does not expose to device, and device is more safe and reliable, and outermost that sheet fin 3a goes up and removes first passage 31 that has the top in six heat radiation interlayers 3, and all the other holes are not offered;

It is peripheral and the head of two heating aluminum pipes 2 is covered that described control face shield 1 is enclosed in thermal insulation board 4,1 is provided with regularly rotary switch 11 and coupled timer, heating aluminum pipe gauge tap 12 on the control face shield, this control face shield 1 inboard is provided with the control circuit board (all not shown among the figure) that links to each other with power supply, this control circuit board is electrically connected with the head of timer, gauge tap 12, described control circuit board and each heating aluminum pipe 2 respectively, thus the work of control heating aluminum pipe 2;

Have additional a bobbin winder base 13 on the lateral surface of described control face shield 1;

For increasing horizontal heating portion, the inboard of described control face shield 1 also has additional a PTC electro-heat equipment 5 and a blower fan 6, and, have a horizontal air outlet 14 on the described control face shield 1 accordingly, during work, the heat that blower fan 6 produces PTC electro-heat equipment 5 is outside horizontal air outlet 14 carrying devices.

During this convection type electric heater work, heating aluminum pipe 2 gets electric and generates heat, heating is positioned at the air of cavity, and the hot-air in the cavity can be exported from first passage 31 at top by nature, cold air again can be continuously replenishes from second passage 32 of cavity bottom and enters, cold and hot air forms constantly reciprocal free convection in heat radiation interlayer 3 formed cavitys, and makes the atmosphere temperature rising in the space, thereby reaches the heating purpose.

Claims

1. convection type electric heater is characterized in that: comprise at least one heating aluminum pipe (2), vertically be provided with and parallel each other a plurality of heat radiation interlayers (3) and a control face shield (1);

Wherein, each heat radiation interlayer (3) is that heave in a mediad outside of being made up of two strip fin (3a) amalgamation, the cavity of applying mutually all around, have the corresponding horizontal through hole of quantity (33) on each heat radiation interlayer (3) with the aluminum pipe that generates heat, and top, the bottom of each heat radiation interlayer (3) have first passage (31), second passage (32);

Described heating aluminum pipe (2) is horizontally through the upward corresponding horizontal through hole (33) of each heat radiation interlayer (3) and is applied in a plurality of heat radiation interlayers (3), and the head of this heating aluminum pipe (2) exposes to outside the side of a plurality of heat radiation interlayers (3);

Described control face shield (1) covers the head outside of described heating aluminum pipe (2), and this control face shield (1) inboard is provided with the control circuit board that links to each other with power supply, and the head of this control circuit board and described heating aluminum pipe (2) is electrically connected.

2. convection type electric heater according to claim 1 is characterized in that: first passage (31) on described heat radiation interlayer (3) top has a plurality of and elongated, and second passage (32) on the bottom has a plurality of and rounded.

3. convection type electric heater according to claim 1, it is characterized in that: each heat radiation interlayer (3) has a circle chimb (33a) of projection laterally at the edge of horizontal through hole (33), applying by the last chimb (33a) of corresponding two horizontal through holes (33) between the side of adjacent two heat radiation interlayers (3) links to each other, and, all be provided with a plurality of strip air outlets (34) on two sides of each heat radiation interlayer (3).

4. convection type electric heater according to claim 3, it is characterized in that: described heating aluminum pipe (2) is arranged at intervals with two up and down, horizontal through hole (33) on a plurality of heat radiation interlayers (3) is two of upper and lower settings correspondingly, and described strip air outlet (34) is provided with two groups, and with two horizontal through holes (33) transpostion interval setting.

5. convection type electric heater according to claim 3, it is characterized in that: the top position of described heat radiation interlayer (3) offers a horizontal circular hole (35), laterally the edge of circular hole (35) also is provided with a circle bulge loop (35a) that protrudes laterally, and the height of this bulge loop (35a) is consistent with the height that horizontal through hole (33) is gone up chimb (33a).

6. convection type electric heater according to claim 1 is characterized in that: described heat radiation interlayer (3) is provided with a thermal insulation board (4) near that side of control face shield (1), and this thermal insulation board (4) size adapts with the size of monolithic fin (3a).

7. convection type electric heater according to claim 6, it is characterized in that: the horizontal through hole (33) in the described heat radiation interlayer (3) is greater than the outside dimensions of heating aluminum pipe (2), and, the head of each heating aluminum pipe (2) is provided with a gripper shoe (23), and this gripper shoe (23) just is fixed on the side of described thermal insulation board (4).

8. convection type electric heater according to claim 1 is characterized in that: described heating aluminum pipe (2) cross section is the X type, and centre is a pipe (21).

9. convection type electric heater according to claim 1 is characterized in that: have additional a bobbin winder base (13) on the lateral surface of described control face shield (1).

10. according to the described convection type electric heater of arbitrary claim in the claim 1 to 9, it is characterized in that: the inboard of described control face shield (1) also has additional a PTC electro-heat equipment (5) and a blower fan (6), and, have a horizontal air outlet (14) on the described control face shield (1) accordingly.