CN2744961Y - Chamber type convection heating warmer - Google Patents
Chamber type convection heating warmer Download PDFInfo
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- CN2744961Y CN2744961Y CN 200420047584 CN200420047584U CN2744961Y CN 2744961 Y CN2744961 Y CN 2744961Y CN 200420047584 CN200420047584 CN 200420047584 CN 200420047584 U CN200420047584 U CN 200420047584U CN 2744961 Y CN2744961 Y CN 2744961Y
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- heating element
- heating
- warmer
- cavity type
- element heater
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Abstract
The utility model discloses a chamber type convection heating warmer, comprising power-supply wires, heating elements, a bracket, and a casing. The utility model is characterized in that the core body of the chamber type convection heating warmer has two plate-shaped heating elements 1 and two end plates 2. The two heating elements 1 and the two end plates 2 are jointly encircled to form a cavity which has openings on the upper and the lower ends. The core body of the chamber type convection heating warmer which has the cavity is arranged in an outer cover 3 with multiple holes. When the power requirement is big, a thermal homogenizing flow guiding partition board 4 is arranged between the two heating elements 1 which are symmetrically arranged on both sides of the thermal homogenizing flow guiding partition board. The utility model has the advantages that the conversion efficiency of the electrically heating and the efficiency of heat utilization are higher than the like product of the prior art, the power-saving effect is conspicuous, the weight is light, the service life is long, the production process is simple, and the assembly is easy.
Description
Technical field
The utility model relates to the electric heating device, more particularly, relates to cavity type Convective Heating warmer.
Background technology
The electric heating device has very long history, but the electric conversion efficiency of general electric heating device is all lower, and power consumption is bigger, so its use cost is higher, is not subjected to the welcome of general family.The heating service device that has occurred electrothermal membrane type in recent years on the market, its electric conversion efficiency has had more significantly raising, but the heat energy utilization rate is still not ideal enough, just the heat that is produced by electric energy often is trapped in around the electrical heating elements and is not easy to be diffused into rapidly and needs the institute of heating to have living space, and therefore still can not satisfy people's requirement.
Summary of the invention
The purpose of this utility model provides a kind of electric conversion efficiency height and the also high electric heating device of utilization efficiency of heat energy.
Designer of the present utility model found that through experiment for a long time, and electrothermal membrane type heating device is made the cavity type structure of both ends open, just can make hot-air convection current promptly and spreads, thereby improve efficiency of utilization widely.
The technical solution of the utility model is as follows:
1. cavate Convective Heating warmer, have current supply line, heating element heater, support and outer cover, wherein, the core body of this warmer has two and is tabular heating element heater (1) and two end plates (2), two heating element heaters (1) are encircled into a cavity at the upper/lower terminal opening jointly with two end plates (2), and this warmer core body is in the outer cover (3) of a porous.
2. as technical scheme 1 described cavity type Convective Heating warmer, wherein, between said two boards shape heating element heater (1), has a hot homogenizing diaphragm (4), two heating element heaters (1) are in the both sides of hot homogenizing diaphragm (4) symmetrically, and hot homogenizing diaphragm (4) and two boards shape heating element heater (1) and two end plates (2) are encircled into the cavity of two symmetrical upper/lower terminal openings jointly.
3. as technical scheme 1 or 2 described cavity type Convective Heating warmers, wherein, two end plates (2) combines jointly with at least 4 heating element heater fixed strips (5) and forms frame set, and two heating element heaters (1) are fixed on the two end plates (2) by fixed strip (5).
4. as technical scheme 1 or 2 described cavity type Convective Heating warmers, wherein, the distance between two heating element heaters (1) is dwindled from bottom to top gradually, and the elongated surfaces of two heating element heaters (1) constitutes 2 °～15 ° angle.
5. as technical scheme 1 or 2 described cavity type Convective Heating warmers, wherein, heating element heater (1) is by the high temperature insulation substrate (1a), the Electric radiant Heating Film (1b) that are in the outside and be in inboard heat-resistant insulating layer (1c) formation.
6. as technical scheme 2 described cavity type Convective Heating warmers, wherein, at least 2 silver strip heating element heaters (9) are equipped with in the both sides, bottom of the hot homogenizing diaphragm (4) between two boards shape heating element heater (1).
7. as technical scheme 5 described cavity type Convective Heating warmers, wherein, high temperature insulation substrate (1a) is the heat resisting enamel plate, and heat-resistant insulating layer (1c) is a high temperature insulation coating.
8. as technical scheme 5 described cavity type Convective Heating warmers, wherein, high temperature insulation substrate (1a) is a mica sheet, and heat-resistant insulating layer (1c) is a high temperature insulation coating.
9. as technical scheme 2 described cavity type Convective Heating warmers, wherein, the distance between two heating element heaters (1) is in the scope of 50～150mm.
10. as technical scheme 1 described cavity type Convective Heating warmer, wherein, the distance between two heating element heaters (1) is in the scope of 5～50mm.
Compare with the prior art of same area, useful high effect of the present utility model is the high and efficiency of utilization height of electric conversion efficiency, and in light weight, long service life, and production technology is simple, and assembling is easily.
Description of drawings
Fig. 1 is the structural representation (corresponding to technical scheme 1) of the utility model cavity type list chamber Convective Heating warmer core body.
Fig. 2 is the structural representation (corresponding to technical scheme 2) of the utility model cavity type two-chamber Convective Heating warmer core body.
Fig. 3 is all transverse cross-sectional view after the assembling of the utility model cavity type two-chamber Convective Heating warmer, core body wherein partly be between the two end plates from Fig. 2 (2) in the middle of cut open and along profile according to the direction that is parallel to end plate perpendicular to the direction observation of end plate (2).Fig. 3 has been Duoed an outer cover (3) than Fig. 2.
Fig. 4 is that the partial enlarged drawing of circled is drawn in the cross section of heating element heater among Fig. 3 (1).
Fig. 5 is the outside drawing after the utility model cavity type Convective Heating warmer is all assembled.
In Fig. 1～5, each label symbol is defined as follows:
1-heating element heater (1a-high temperature insulation substrate, 1b-Electric radiant Heating Film, 1c-heat-resistant insulating layer), the 2-end plate, 3-outer cover, the hot homogenizing diaphragm of 4-, 5-heating element heater fixed strip, 6-heating edge cover strip, 7-current supply line, the 8-bracket screw, 9-sheet strip heating element heater, 10-attacker, the 11-indicator lamp, the 12-gauge tap, 13-plastic casing, 14-Moving caster.
Release the utility model below in conjunction with the accompanying drawing tabulation.
What technique scheme 1 was put down in writing is the necessary technology feature, is encircled into a structure at the cavity of upper/lower terminal opening jointly as long as have by two boards shape heating element heater (1) and two end plates (2), promptly belongs to category of the present utility model.But when reality was used, the heating service device core body of this band cavity should be in a porous, is preferably in the netted outer cover (3).Above-mentioned heating element heater (1) is preferably by high temperature insulation substrate (1a), Electric radiant Heating Film (1b) and heat-resistant insulating layer (1c) constitute (technical scheme 5), above-mentioned Electric radiant Heating Film (1b) forms on a side surface of high temperature insulation substrate (1a), like this, when reality is used, supplying with electric current by current supply line (9) (can be 220v, 110v or by the transformer transformation), two Electric radiant Heating Film (1b) are subtend eradiation heat mutually, air themperature is increased, hot-air is discharged from upper end open, and cold air enters from the lower ending opening of cavity, because on the cavity, the bigger temperature difference in following two ends and cause hot-air to flow quickly, thereby indoor air can be heated more equably, consequently efficiency of utilization is higher, just guaranteeing that room air reaches under the condition of certain assigned temperature (for example 18～22 ℃) saves energy farthest, this is one of difference of the utility model and other warmers of prior art.
In addition, when the width of the heating service device of above-mentioned band cavity is big (50～150cm), if between two heating element heaters (1), increase a hot homogenizing diaphragm (4) (technical scheme 2), then can make hot-air in process of flowing, mix more evenly, thereby can further improve efficiency of utilization, consequently saves energy further.
In addition, at least 2 silver strip heating element heaters (9) (technical scheme 6) are equipped with in both sides, bottom at the hot homogenizing diaphragm (4) of two boards shape heating element heater (1), the width b of sheet strip heating element heater (9) is preferably 1/6～1/3 of two boards shape heating element heater (1) lower port spacing a, and length is identical with the length of two boards shape heating element heater (1).Like this can first preheating enter the cold air of cavity lower ending opening, quicken the convection current of air, thereby the heat on the two boards shape heating element heater (1) can be taken away rapidly, and reduced the temperature of outer cover (3).Further saves energy not only consequently, and prolonged life-span of heating service device.
In addition, in order to make cavity type Convective Heating warmer more firm, two end plates (2) and at least 4 heating element heater fixed strips (5) are combined jointly form frame set, two heating element heaters (1) are fixed on the two end plates (2) by fixed strip (5).
In addition, in order to make cavity type Convective Heating warmer more stable under user mode, distance between two heating element heaters (1) is dwindled from bottom to top gradually, and the elongated surfaces of two heating element heaters (1) constitutes 2 °～15 ° (preferred 3 °～10 °) angles (technical scheme 4).
In addition, above-mentioned high temperature insulation substrate (1a) works two kinds of effects supporting Electric radiant Heating Film and electric insulation, it can be various heat-resistant insulation materials, it for example can be mica sheet, the heat resisting enamel plate, heat resistant glass plate, potsherd etc., but preferably mica sheet (technical scheme 8) and heat resisting enamel plate (technical scheme 7).
In addition, above-mentioned heat-resistant insulating layer (1c) plays electric insulation, should be thin as far as possible under the condition that can guarantee electric insulation, so that heat conduction is preferably arranged.It can be various heat-resistant insulation materials, for example can be mica sheet, coatings etc.
In addition, carry out better in order to make the cross-ventilation in the cavity type Convective Heating warmer, the distance between two heating element heaters (1) is in the scope of 10～40mm (technical scheme 10) preferably.
In addition, shell (3) can be various suitable materials, for example metal, engineering plastics, PP plastics etc., and wire netting preferably wherein because its good heat resistance, light weight have enough intensity, is cleaned easily.
The specific embodiment
Enumerate embodiment below and explain the utility model further, but the utility model is not subjected to the qualification of these embodiment.
Assemble single-chamber type Convective Heating warmer core body according to Fig. 1, load onto an outer cover (anti-break iron net) by Fig. 3 again, promptly obtain the single-chamber type Convective Heating warmer of a practicality.In the present embodiment, adopting the Electric radiant Heating Film composition of patent of invention ZL96103261.8 record, is that the mica substrate (1a) of 0.3mm is gone up preparation Electric radiant Heating Film (1b) at thickness, adds high temperature insulation dope layer (1c), thereby constitutes heating element heater (1).Heating element heater (1) is of a size of 350mm * 450mm, its square resistance=66 Ω, and the distance between two heating element heaters (1) is 40mm, and this heating service device is placed in the standard testing room.Getting a conventional oil electric heater identical with this heater power places equally and carries out performance in another standard testing room relatively.Present embodiment heating service device only need be switched on and just can be made air outlet arrive 110 ℃ of operating temperatures in 3 minutes, and oil electric heater then needs to switch on 25 minutes just can make air outlet arrive 110 ℃ of operating temperatures.Continuous operation is the environment temperature in the bioassay standard test room after 5 hours, and the environment temperature in the present embodiment heating service device test room is higher 4 ℃ than the environment temperature in the test room, oily spit of fland.As calculated, every raising needs for 1 ℃ to increase by 5% energy consumption, and this just proves absolutely that present embodiment heating service device is than conventional oil electric heater energy-conservation 15～20%.The heating service that present embodiment has been described heats up rapidly, and convection effects is good, and power savings is remarkable.Present embodiment is applicable to the small size room.
Assemble bicavate Convective Heating warmer core body according to Fig. 2, load onto outer cover (3) according to Fig. 3 again, promptly obtain the bicavate Convective Heating warmer of a practicality, the preparation method of heating (1) is identical with embodiment 1 with size.Heating element heater (1) is of a size of 450mm * 450mm, its square resistance=69 Ω, but between two heatings (1), the distance of its upper end is 90mm, the distance of lower end is 120mm, and a hot homogenizing diaphragm (4) also is installed between two heatings, and its size is identical with heating (1), its material is common cold-rolled steel sheet, and thickness is 0.4mm.And 4 silver strip heating element heaters (9) are housed in the both sides, bottom of hot homogenizing diaphragm (4).The preparation method of sheet strip heating element heater (9) is identical with heating (1), but the width b of sheet strip heating element heater (9) is 1/4 of two boards shape heating element heater (1) lower port spacing a, and length is identical with the length of two boards shape heating element heater (1).This heating service device is placed in the standard testing room.Carry out then with embodiment 1 in the same performance relatively.Present embodiment heating service device only need be switched on and just can be made air outlet arrive 110 ℃ of operating temperatures in 2 minutes, and oil electric heater then needs to switch on 25 minutes just can make air outlet arrive 110 ℃ of operating temperatures.Continuous operation is the environment temperature in the bioassay standard test room after 5 hours, and the environment temperature in the present embodiment heating service device test room is higher 4 ℃ than the environment temperature in the test room, oily spit of fland.This heating service that has just proved absolutely present embodiment heats up rapidly, and convection effects is better, and power savings is remarkable.Present embodiment is applicable to than the large tracts of land room.
Claims (10)
1. cavate Convective Heating warmer, have current supply line, heating element heater, support and shell, it is characterized in that, the core body of this warmer has two and is tabular heating element heater (1) and two end plates (2), two heating element heaters (1) are encircled into a cavity at the upper/lower terminal opening jointly with two end plates (2), and this warmer core body is in the outer cover (3) of a porous.
2. cavity type Convective Heating warmer as claimed in claim 1, it is characterized in that, between said two boards shape heating element heater (1), has a hot homogenizing diaphragm (4), two heating element heaters (1) are in the both sides of hot homogenizing diaphragm (4) symmetrically, and hot homogenizing diaphragm (4) and two boards shape heating element heater (1) and two end plates (2) are encircled into the cavity of two symmetrical upper/lower terminal openings jointly.
3. cavity type Convective Heating warmer as claimed in claim 1 or 2, it is characterized in that, two end plates (2) combines jointly with at least 4 heating element heater fixed strips (5) and forms frame set, and two heating element heaters (1) are fixed on the two end plates (2) by fixed strip (5).
4. cavity type Convective Heating warmer as claimed in claim 1 or 2 is characterized in that the distance between two heating element heaters (1) is dwindled gradually from bottom to top, and the elongated surfaces of two heating element heaters (1) constitutes 2 °～15 ° angle.
5. cavity type Convective Heating warmer as claimed in claim 1 or 2 is characterized in that, heating element heater (1) is by the high temperature insulation substrate (1a), the Electric radiant Heating Film (1b) that are in the outside and be in inboard heat-resistant insulating layer (1c) formation.
6. cavity type Convective Heating warmer as claimed in claim 2 is characterized in that, at least 2 silver strip heating element heaters (9) are equipped with in the both sides, bottom of the hot homogenizing diaphragm (4) between two boards shape heating element heater (1).
7. cavity type Convective Heating warmer as claimed in claim 5 is characterized in that high temperature insulation substrate (1a) is the heat resisting enamel plate, and heat-resistant insulating layer (1c) is a high temperature insulation coating.
8. cavity type Convective Heating warmer as claimed in claim 5 is characterized in that high temperature insulation substrate (1a) is a mica sheet, and heat-resistant insulating layer (1c) is a high temperature insulation coating.
9. cavity type Convective Heating warmer as claimed in claim 2 is characterized in that the distance between two heating element heaters (1) is in the scope of 50～150mm.
10. cavity type Convective Heating warmer as claimed in claim 1 is characterized in that the distance between two heating element heaters (1) is in the scope of 5～50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420047584 CN2744961Y (en) | 2004-04-06 | 2004-04-06 | Chamber type convection heating warmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420047584 CN2744961Y (en) | 2004-04-06 | 2004-04-06 | Chamber type convection heating warmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2744961Y true CN2744961Y (en) | 2005-12-07 |
Family
ID=35579742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420047584 Expired - Fee Related CN2744961Y (en) | 2004-04-06 | 2004-04-06 | Chamber type convection heating warmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2744961Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102843794A (en) * | 2011-06-22 | 2012-12-26 | 费金华 | Method for fabricating electric heating piece and finished product thereof |
| CN111442329A (en) * | 2020-05-18 | 2020-07-24 | 浙江安扬新能源科技有限公司 | Chip heating type warmer |
| CN114674080A (en) * | 2022-03-01 | 2022-06-28 | 厦门海洋实业(集团)股份有限公司 | Vertical close-packed grid-shaped structure of sheet-shaped electric heating element group |
-
2004
- 2004-04-06 CN CN 200420047584 patent/CN2744961Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102843794A (en) * | 2011-06-22 | 2012-12-26 | 费金华 | Method for fabricating electric heating piece and finished product thereof |
| CN111442329A (en) * | 2020-05-18 | 2020-07-24 | 浙江安扬新能源科技有限公司 | Chip heating type warmer |
| CN114674080A (en) * | 2022-03-01 | 2022-06-28 | 厦门海洋实业(集团)股份有限公司 | Vertical close-packed grid-shaped structure of sheet-shaped electric heating element group |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |