CN201621773U

CN201621773U - Electric heating wire electric heating pedal heating fire box

Info

Publication number: CN201621773U
Application number: CN2009202598067U
Authority: CN
Inventors: 袁亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-12-19
Filing date: 2009-12-19
Publication date: 2010-11-03
Anticipated expiration: 2019-12-19

Abstract

The utility model discloses an electric heating wire electric heating pedal heating fire box which comprises a box body (1) that is closed at the peripheral wall, provided with a bottom plate at the lower end and opened at the upper end; the bottom plate is provided with a bottom plate vent hole (3); the box body (1) is internally provided with a foot pedal (9) made of a good heat conductor; the foot pedal (9) is provided with a foot pedal vent hole (10); a heat-conducting plate (2) is installed under the foot pedal (9); the heat-conducting plate (2) and the foot pedal (9) are in mutual insulation structure; the lower side surface of the heat-conducting plate (2) is firmly stuck with and provided with a heating piece which comprises an electric heating wire (8) and an insulating layer (7) covered at the outer layer of the electric heating wire; under the conditions of rated voltage and rated current, the maximum electric power of every 100mm of heating piece is 15W; the heat-conducting plate (2) is provided with a temperature controller and a fuse; and the foot pedal (9) is provided with the temperature controller. The electric heating wire electric heating pedal heating fire box has safe and comfortable use and low manufacturing cost and saves energy.

Description

The foot-operated heating of heating wire electric heating fire-box

Technical field

The utility model relates to the foot-operated heating of a kind of heating wire electric heating fire-box.

Background technology

The foot-operated heating of existing electric heating fire-box, include the casing of perisporium and bottom lock, upper end open design form, the foot pedal made from the poor conductor of heat such as timber is installed in casing, electric heater unit is installed, during heating in casing, open end cap cotton-wadded quilt at casing, electric heater unit heating, human body on foot pedal, cotton-wadded quilt below heating, the so just space of formation relative closure between cotton-wadded quilt and casing, reduce heat and distribute, realize energy-conservation.But it has the following disadvantages: the one, and complex structure.The foot-operated heating of existing electric heating fire-box, its electric heater unit generally is the quartz ampoule electric heater unit, and structure is complicated, and manufacturing cost is higher relatively; The 2nd, safety inadequately.On the one hand, the quartz ampoule in the electric heater unit is broken easily, may cause dangerous after the fragmentation; On the other hand, though the foot-operated heating of existing electric heating fire-box is equipped with temperature controller and fuse in casing, but because its electric heater unit generally is installed in the centre on the box bottom, the temperature of electric heater unit top is than higher, the temperature of foot pedal part, corresponding electric heater unit top is also than higher, other temperature partly is relatively low in the casing, temperature controller and fuse can not be installed in again on the pedal lower surface of electric heater unit top, therefore, when the temperature that detects when temperature controller and fuse reaches its nominal temperature, the temperature of foot pedal part, electric heater unit top may substantially exceed the nominal temperature of temperature controller and fuse, there is being cotton-wadded quilt to cover in particular cases, clothings such as cotton-wadded quilt might damage, even cause fire.

The existing electric heating fire-box that utilizes heating wire as heat generating member generally be to be close to electrothermal wire heating's part is installed on the lower surface of the foot pedal of being made by the good conductor of heat, but also there is deficiency in it: 1, have potential safety hazard; The one, the insulation between heating wire and the foot pedal has only one deck to make the silicon rubber of insulated cladding, especially using a period of time, after silicon rubber was aging, its insulating properties reduced greatly, might cause leaking electricity on the foot pedal, it is dangerous to make human body step on pedal heating; The 2nd, electrothermal wire heating's part is close on the lower surface that is installed in foot pedal, in the local temperature that electrothermal wire heating's part place is installed than higher, other most temperature of foot pedal is relatively low, and in order to guarantee the heating effect of whole fire-box, the local temperature that electrothermal wire heating's part place is installed may be higher than the heating temperature that human body is fit to, especially weather is colder, when needing the higher temperature heating, the local temperature that electrothermal wire heating's part place is installed can be higher, like this, directly step in the above and may have boiling hot sensation, even may scald the skin of child's delicacy.Foot pedal localized heat stress deformation is bigger when 2, using.Because electrothermal wire heating's part is close on the lower surface that is installed in foot pedal, in the local temperature that electrothermal wire heating's part place is installed than higher, other most temperature of foot pedal is relatively low, in the use, the thermal stress deformation difference of whole foot pedal, big at the localized heat stress deformation that electrothermal wire heating's part place is installed, the local projection of foot pedal meeting influences comfortable and use like this.

The utility model content

The purpose of this utility model provides a kind of safe in utilization, comfortable and low cost of manufacture, the energy-conservation foot-operated heating of heating wire electric heating fire-box.

For achieving the above object, the foot-operated heating of the utility model heating wire electric heating fire-box, include the casing that perisporium seals, the lower end is provided with base plate, the upper end is opened wide, the foot pedal made from the good conductor of heat is installed in casing, heat generating member is installed below foot pedal, and described heat generating member includes heating wire and is wrapped in its outer field insulating barrier, and heat-conducting plate is installed below foot pedal, heat-conducting plate and foot pedal are mutually insulated version, and heat generating member is close to and is installed on the heat-conducting plate.

The foot-operated heating of described heating wire electric heating fire-box is provided with the base plate air vent on the base plate of casing, be provided with the foot pedal air vent on foot pedal.

The foot-operated heating of described heating wire electric heating fire-box, under rated voltage and nominal current conditions, the maximum electric power of every 100MM long hair warmware is 15W.

The foot-operated heating of described heating wire electric heating fire-box is equipped with temperature controller and fuse on heat-conducting plate.

The foot-operated heating of described heating wire electric heating fire-box is equipped with temperature controller on foot pedal.

Because the foot-operated heating of the utility model heating wire electric heating fire-box, the foot pedal made from the good conductor of heat is installed on casing, heat-conducting plate is installed below foot pedal, heat generating member is close on the downside that is installed in heat-conducting plate, heat-conducting plate separates and mutually insulated with foot pedal, and this version produces following advantage: 1, insulation, safety.Even using a period of time, insulating barrier silicon rubber is aging, and after its insulating properties reduced and cause electric leakage, human body also can not touch electric leakage.2, safe in utilization, comfortable.Non-uniform temperature on heat-conducting plate, but after the heat of heat-conducting plate is delivered on the foot pedal by radiation and convection current, temperature on the foot pedal is uniform, even weather is colder, when needing the higher temperature heating, the temperature of whole foot pedal is basic identical, can be transferred to the temperature that human body is fit to, like this, directly step on safe on the foot pedal surface, comfortable, can not scalded skin.3, the localized heat stress deformation is little.Because the temperature on the foot pedal is that whole foot pedal thermal stress deformation is even uniformly, eliminated because non-uniform temperature makes that local thermal stress deformation is inhomogeneous, cause the factor of local projection, therefore use comfortable safety.

Because the foot-operated heating of the utility model heating wire electric heating fire-box, its heat generating member is under rated voltage and nominal current conditions, and the maximum electric power of every 100MM long hair warmware is 15W, with this understanding, temperature on the heat-conducting plate is lower, combustibles such as the paper scrap that can not ignite, cloth sheet; Temperature controller and fuse are installed, temperature of the present utility model is carried out reliable, safe control.

Because the foot-operated heating of the utility model heating wire electric heating fire-box, its heat generating member is heating wire and is wrapped in its outer field insulating barrier composition, the material of insulating barrier is a silicon rubber, easy fracture not, compare the hidden danger of having avoided the easy fragmentation of quartz ampoule to bring with the foot-operated heating of existing quartz ampoule electric heating fire-box.

In sum, the foot-operated heating of the utility model heating wire electric heating fire-box is safe in utilization, comfortable.

Because the foot-operated heating of the utility model heating wire electric heating fire-box, its heat generating member can utilize adhesive sticker to stick on the heat-conducting plate, compares with the foot-operated heating of existing quartz ampoule electric heating fire-box, and production technology is simple, low cost of manufacture.

Because the foot-operated heating of the utility model heating wire electric heating fire-box, it is under rated voltage and nominal current conditions, the maximum electric power of every 100MM long hair warmware is 15W, with this understanding, temperature during heating wire work is lower, do not produce visible light, do not have the energy loss of visible light, the electric energy of consumption substantially all is converted into heat energy; Distance between heat-conducting plate and the foot pedal can design less, simultaneously, that the perisporium of casing is designed to seal, be provided with the base plate air vent at its base plate, on foot pedal, be provided with the foot pedal air vent, there is a spot of wind to take the heat on the heat-conducting plate to foot pedal and body heating's zone, the transmission efficiency height of heat by above-mentioned air vent.In sum, the foot-operated heating of the utility model heating wire electric heating fire-box is energy-conservation.

Description of drawings

Below in conjunction with drawings and Examples the foot-operated heating of the utility model heating wire electric heating fire-box is described further.

Accompanying drawing is depicted as the foot-operated heating of the utility model heating wire electric heating fire-box front view cross-sectional schematic.

1, casing, 2, heat-conducting plate, 3, the base plate air vent, 4, holding screw, 5, support bar, 6, basic unit, 7, insulating barrier, 8, heating wire, 9, foot pedal, 10 foot pedal air vents, 11, the electrostatic spinning bed course.

The specific embodiment

As shown in the figure, casing 1 includes the perisporium of sealing and is installed in the base plate of its lower end, on base plate, be provided with base plate air vent 3, support bar 5 is installed on casing 1, support bar 5 is made by insulating materials, on support bar 5, be provided with the foot pedal made from the good conductor of heat 9, on foot pedal 9, be provided with foot pedal air vent 10, on foot pedal 9, be provided with electrostatic spinning bed course 11, below by holding screw 4 heat-conducting plate 2 is installed at support bar 5, distance between the lower surface of support bar 5 and heat-conducting plate 2 upper surfaces is designed to 20MM, the good conductor of heat-conducting plate 2 usefulness heat is made, on the lower surface of heat-conducting plate 2, be close to electric heater unit is installed by adhesive sticker, electric heater unit is made up of basic unit 6 and heat generating member, basic unit's silvery white specular material of 6 usefulness is made, heat generating member is by heating wire 8 and be wrapped in its outer field insulating barrier 7 and form, the material of insulating barrier 7 is a silicon rubber, under rated voltage and nominal current conditions, the maximum electric power of every 100MM long hair warmware is 15W, and temperature controller and fuse are installed on heat-conducting plate 2.On foot pedal 9, temperature controller is installed.

The utility model can be established the heat-conducting plate air vent on heat-conducting plate 2.

The utility model can be installed in heat-conducting plate 2 on the base plate of casing 1.

Claims

1. a heating wire electric heating is ridden the heating fire-box, include the casing (1) that perisporium seals, the lower end is provided with base plate, the upper end is opened wide, the foot pedal made from the good conductor of heat (9) is installed in casing (1), below at foot pedal (9) is equipped with heat generating member, described heat generating member includes heating wire (8) and is wrapped in its outer field insulating barrier (7), it is characterized in that: heat-conducting plate (2) is installed in the below of foot pedal (9), heat-conducting plate (2) and foot pedal (9) are mutually insulated version, and heat generating member is close to and is installed on the heat-conducting plate (2).

2. the foot-operated heating of heating wire electric heating according to claim 1 fire-box is characterized in that: be provided with base plate air vent (3) on the base plate of casing (1), be provided with foot pedal air vent (10) on foot pedal (9).

3. the foot-operated heating of heating wire electric heating according to claim 1 fire-box, it is characterized in that: under rated voltage and nominal current conditions, the maximum electric power of every 100MM long hair warmware is 15W.

4. the foot-operated heating of heating wire electric heating according to claim 2 fire-box, it is characterized in that: under rated voltage and nominal current conditions, the maximum electric power of every 100MM long hair warmware is 15W.

5. according to claim 1 or the foot-operated heating of 2 or 3 or 4 described heating wire electric heating fire-box, it is characterized in that: on heat-conducting plate (2), temperature controller and fuse are installed.

6. according to claim 1 or the foot-operated heating of 2 or 3 or 4 described heating wire electric heating fire-box, it is characterized in that: temperature controller is installed at foot pedal (9).

7. the foot-operated heating of heating wire electric heating according to claim 5 fire-box is characterized in that: on foot pedal (9) temperature controller is installed.