CN203824075U - Heater - Google Patents
Heater Download PDFInfo
- Publication number
- CN203824075U CN203824075U CN201420083421.0U CN201420083421U CN203824075U CN 203824075 U CN203824075 U CN 203824075U CN 201420083421 U CN201420083421 U CN 201420083421U CN 203824075 U CN203824075 U CN 203824075U
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- CN
- China
- Prior art keywords
- electrothermal tube
- heater
- passage
- heating clamber
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a heater, which belongs to the field of a kitchen utensil. The heater comprises a casing, a heating chamber, an air blower and an electric heating tube, wherein the heating chamber is arranged in the casing and is positioned at the bottom of the casing, a first cavity is arranged between the top of the heating chamber and the inner wall of the casing, the electric heating tube is arranged in the first cavity, at least one small hole is formed in the top of the heating chamber, the small hole is positioned under the electric heating tube, an air suction opening of the air blower is communicated with the heating chamber, a first passage and the second passage are arranged in the first cavity, the first passage and the second passage are respectively communicated with the air outlet of the air blower, the electric heating tube comprises an upstream position and a downstream position, the upstream position is arranged in a way of corresponding to the first passage, and the downstream position is arranged in a way of corresponding to the second passage. The heater has the advantages that gas is guided to the upstream through the first passage, and the gas is guided to the downstream position through the second air passage, so the temperature of the gas contacting the upstream position is identical to the temperature of the gas contacting the downstream position, the electric heating tube is uniformly heated, and the electric heating tube cannot be easily damaged.
Description
Technical field
The utility model relates to kitchen utensils field, particularly a kind of heater.
Background technology
Alimentary system is modernization utensil for cooking food, and it is to carry out heat food by heated air and then by the gas after heating, simple and easy to use.
Heater of the prior art generally comprises housing, is located at heating clamber, air blast and electrothermal tube in housing, between the inwall of housing and the outer wall of heating clamber, is provided with cavity, and electrothermal tube is positioned at cavity.The gas of heating clamber is sent in cavity from heating clamber sucking-off by air blast, after then gas is heated by electrothermal tube, gets back in heating clamber again from the aperture of electrothermal tube below.
In realizing process of the present utility model, designer finds that prior art at least exists following problem:
Existing heater, gas is to flow downstream from the upstream of electrothermal tube, and takes away the temperature of electrothermal tube, causes the upstream end of electrothermal tube lower than the temperature of downstream part, electrothermal tube is heated inhomogeneous, easily damages, and has reduced its service life.
Utility model content
In order to solve the problem of prior art, the utility model embodiment provides a kind of heater.Described technical scheme is as follows:
The utility model embodiment provides a kind of heater, described heater comprises housing, be located at the heating clamber in described housing, air blast and electrothermal tube, described heating clamber is positioned at the bottom of described housing, between the top of described heating clamber and the inwall of described housing, be provided with the first cavity, described electrothermal tube is located in described the first cavity, the top of described heating clamber is provided with at least one aperture, described aperture is positioned at the below of described electrothermal tube, the inlet scoop of described air blast is communicated with described heating clamber, in described the first cavity, be provided with first passage and second channel, described first passage and described second channel are communicated with the air outlet of described air blast respectively, described electrothermal tube comprises upstream section and downstream portion, the corresponding described first passage setting of described upstream section, the corresponding described second channel setting of described downstream portion.
Preferably, described heater also comprise be positioned at described the first cavity described the first cavity is divided into the dividing plate of described first passage and described second channel, the axial both sides of described dividing plate are welded on the inwall of described housing, and one end of described dividing plate is between the upstream section and downstream portion of described electrothermal tube.
Preferably, described first passage is formed by the first conduit, and described second channel is formed by the second conduit.
Preferably, the sectional area of described second channel is greater than the sectional area of described first passage.
Preferably, in described aperture, check valve is installed.
Alternatively, described aperture is a plurality of and even respectively below described electrothermal tube.
Preferably, described air blast is located between the sidewall of described heating clamber and the inwall of described housing.
Further, the inlet scoop of described air blast is positioned at the position of close described heating clamber bottom of the sidewall of described heating clamber.
Particularly, described electrothermal tube is straight type electrothermal tube.
Alternatively, described electrothermal tube is W type electrothermal tube.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
By first passage and second channel are set in the first cavity, first passage is directed to gas the upstream section of electrothermal tube, second channel is directed to gas the downstream portion of electrothermal tube, thereby it is identical making the upstream section of electrothermal tube and the temperature of the gas that downstream portion touches, electrothermal tube each several part is heated evenly, be not easy to damage, extended its service life.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of heater of providing of the utility model embodiment mono-;
Fig. 2 is the structural representation of a kind of heater of providing of the utility model embodiment bis-.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Embodiment mono-
The utility model embodiment provides a kind of heater, referring to Fig. 1, this heater comprises: housing 1, be located at the heating clamber 2 in housing 1, air blast 3 and electrothermal tube 4, heating clamber 2 is positioned at the bottom of housing 1, between the top 21 of heating clamber and the inwall of housing 1, be provided with the first cavity 5, electrothermal tube 4 is located in the first cavity 5, the top 21 of heating clamber is provided with at least one aperture 22, aperture 22 is positioned at the below of electrothermal tube 4, the inlet scoop 31 of air blast 3 is communicated with heating clamber 2, in the first cavity 5, be provided with first passage 51 and second channel 52, first passage 51 and second channel 52 are communicated with the air outlet 32 of air blast 3 respectively, electrothermal tube 4 comprises upstream section 41 and downstream portion 42, the corresponding first passage 51 of upstream section 41 arranges, in the corresponding second channel of downstream portion 42,52 arrange.
It should be noted that, in the present embodiment, upstream section 41 and the downstream portion 42 of electrothermal tube 4 refer to, electrothermal tube 4 is divided into two parts, and these two parts are with respect to the Central Symmetry (also can be asymmetric) of electrothermal tube 4, when the first cavity 5 does not comprise first passage and second channel, when gas flows in the first cavity 5, can flow to another part from a part for electrothermal tube 4, the part that first touches gas is just upstream section, after touch gas part be downstream portion.
Preferably, heater also comprise be positioned at the first cavity 5 the first cavity 5 is divided into the dividing plate 53 of first passage 51 and second channel 52, the axial both sides of dividing plate 53 are welded on the inwall of housing, and one end of dividing plate 53 is between the upstream section 41 and downstream portion 42 of electrothermal tube 4.Dividing plate 53 is separated into first passage 51 and second channel 52 by the first cavity 5 particularly, and the upstream section 41 of electrothermal tube 4 is positioned at first passage 51, and downstream portion 42 is positioned at second channel 52.
Preferably, in the present embodiment, the sectional area of second channel 52 is greater than the sectional area of first passage 51.Because upstream section 41 first touches gas than downstream portion 42, when the sectional area of second channel 52 and first passage 51 is the same, the ratio downstream portion 42 that the temperature of upstream section 41 can decline is quicker, for the temperature of balanced upstream section 41 and the temperature of downstream portion 42, the gas that can make to flow to downstream portion 42 is more, even if the sectional area of the sectional area ratio first passage 52 of second channel 52 is more bigger.
Preferably, in the present embodiment, check valve (not shown) is installed in aperture 22.By check valve being installed in aperture 22, make gas to flow into heating clamber 2 from the first cavity 5, be convenient to the heating to heating clamber 2 interior objects.
Alternatively, in a kind of embodiment in the present embodiment, aperture 22 can be for a plurality of, and a plurality of aperture 22 is evenly distributed on the below of electrothermal tube.Apparently, aperture 22 also can be one, and this aperture 22 faces the middle part of electrothermal tube.By a plurality of apertures 22 are set, the gas that a plurality of apertures 22 can be accelerated heating flows into heating clamber 2 from the first cavity 5.
Preferably, in the present embodiment, air blast 3 can be located between the sidewall 23 of heating clamber 2 and the inwall of housing 1.Apparently, air blast 3 also can be located at outside housing 1.
Further, the inlet scoop 31 of air blast 3 is positioned at the position of close heating clamber 2 bottoms of the sidewall of heating clamber 2.Apparently, inlet scoop 31 also can be positioned at the bottom of heating clamber 2.By inlet scoop 31 being located to the position of close heating clamber 2 bottoms of the sidewall of heating clamber 2, be convenient to gas and circulate in whole heating clamber 2.
Particularly, in the present embodiment, electrothermal tube 4 is straight type electrothermal tube.Apparently, electrothermal tube 4 can be also U-shaped electrothermal tube.
Optionally, in other embodiments, electrothermal tube 4 can be also W type electrothermal tube.By electrothermal tube 4 is made as to W type electrothermal tube, increased the area of heated air, be convenient to improve firing rate.
The course of work of the heater that the utility model embodiment provides is specific as follows:
The object of needs heating is put into heating clamber 2, start air blast 3 and electrothermal tube 4, air blast 3 is sent into the gas sucking-off of heating clamber 2 in first passage 51 and second channel 52, first passage 51 imports gas the upstream section 41 of electrothermal tube 4, second channel 52 imports gas the downstream portion 42 of electrothermal tube 4, gas, after upstream section 41 and downstream portion 42 heating, enters heating clamber 2 from being positioned at the aperture 22 of electrothermal tube 4 belows.Gas moves in circles mobile under the effect of air blast 3, thus the food in continuous heating heating clamber 2.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is: by first passage and second channel are set in the first cavity, first passage is directed to gas the upstream section of electrothermal tube, second channel is directed to gas the downstream portion of electrothermal tube, thereby it is identical making the upstream section of electrothermal tube and the temperature of the gas that downstream portion touches, electrothermal tube each several part is heated evenly, be not easy to damage, extended its service life.
Embodiment bis-
The utility model embodiment provides a kind of heater, as shown in Figure 2, the structure of the heater that the structure of this heater and embodiment mono-provide is basic identical, difference is, the heater that embodiment bis-provides, its first passage 51 is formed by the first conduit 53, and second channel 52 is formed by the second conduit 54.
It should be noted that, in the present embodiment, upstream section 41 and the downstream portion 42 of electrothermal tube 4 refer to, electrothermal tube 4 is divided into two parts, these two parts, with respect to the Central Symmetry (also can be asymmetric) of electrothermal tube 4, when gas flows in the first cavity 5, can flow to another part from a part for electrothermal tube 4, the part that first touches gas is just upstream section, after touch gas part be downstream portion.
Particularly, the entrance of the entrance of the first conduit 53 and the second conduit 54 is communicated with the air outlet 32 of air blast 3 respectively, the upstream section 41 of the corresponding electrothermal tube 4 of outlet of the first conduit 53 arranges (being for example located at the top of the upstream section 41 of electrothermal tube 4), and the downstream portion 42 of the corresponding electrothermal tube 4 of outlet of the second conduit 54 arranges (being for example located at the top of the downstream portion 42 of electrothermal tube 4).
Preferably, in the present embodiment, the cross-sectional area of the second conduit 54 is greater than the cross-sectional area of the first conduit 53.Because upstream section 41 first touches gas than downstream portion 42, when the area of the second conduit 54 and the first conduit 53 is the same, the ratio downstream portion 42 that the temperature of upstream section 41 can decline is quicker, for the temperature of balanced upstream section 41 and the temperature of downstream portion 42, the gas that can make to flow to downstream portion 42 is more, even if the cross-sectional area of the second conduit 54 is more bigger than the cross-sectional area of the first conduit 53.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is: by the first conduit and the second conduit are set, the first conduit is directed to gas the upstream section of electrothermal tube, the second conduit is directed to gas the downstream portion of electrothermal tube, thereby it is identical making the upstream section of electrothermal tube and the temperature of the gas that downstream portion touches, electrothermal tube each several part is heated evenly, be not easy to damage, extended its service life.
Above-mentioned the utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a heater, described heater comprises housing, be located at the heating clamber in described housing, air blast and electrothermal tube, described heating clamber is positioned at the bottom of described housing, between the top of described heating clamber and the inwall of described housing, be provided with the first cavity, described electrothermal tube is located in described the first cavity, the top of described heating clamber is provided with at least one aperture, described aperture is positioned at the below of described electrothermal tube, the inlet scoop of described air blast is communicated with described heating clamber, it is characterized in that, in described the first cavity, be provided with first passage and second channel, described first passage and described second channel are communicated with the air outlet of described air blast respectively, described electrothermal tube comprises upstream section and downstream portion, the corresponding described first passage setting of described upstream section, the corresponding described second channel setting of described downstream portion.
2. heater according to claim 1, it is characterized in that, described heater also comprise be positioned at described the first cavity described the first cavity is divided into the dividing plate of described first passage and described second channel, the axial both sides of described dividing plate are welded on the inwall of described housing, and one end of described dividing plate is between the upstream section and downstream portion of described electrothermal tube.
3. heater according to claim 1, is characterized in that, described first passage is formed by the first conduit, and described second channel is formed by the second conduit.
4. according to the heater described in claims 1 to 3 any one, it is characterized in that, the sectional area of described second channel is greater than the sectional area of described first passage.
5. according to the heater described in claims 1 to 3 any one, it is characterized in that, in described aperture, check valve is installed.
6. heater according to claim 5, is characterized in that, described aperture is a plurality of and is evenly distributed on the below of described electrothermal tube.
7. according to the heater described in claims 1 to 3 any one, it is characterized in that, described air blast is located between the sidewall of described heating clamber and the inwall of described housing.
8. heater according to claim 7, is characterized in that, the inlet scoop of described air blast is positioned at the position of close described heating clamber bottom of the sidewall of described heating clamber.
9. according to the heater described in claims 1 to 3 any one, it is characterized in that, described electrothermal tube is straight type electrothermal tube.
10. according to the heater described in claims 1 to 3 any one, it is characterized in that, described electrothermal tube is W type electrothermal tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420083421.0U CN203824075U (en) | 2014-02-26 | 2014-02-26 | Heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420083421.0U CN203824075U (en) | 2014-02-26 | 2014-02-26 | Heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203824075U true CN203824075U (en) | 2014-09-10 |
Family
ID=51479562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420083421.0U Expired - Fee Related CN203824075U (en) | 2014-02-26 | 2014-02-26 | Heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203824075U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108943962A (en) * | 2018-07-02 | 2018-12-07 | 北京汉能光伏投资有限公司 | A kind of heating device |
-
2014
- 2014-02-26 CN CN201420083421.0U patent/CN203824075U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108943962A (en) * | 2018-07-02 | 2018-12-07 | 北京汉能光伏投资有限公司 | A kind of heating device |
| CN108943962B (en) * | 2018-07-02 | 2023-12-12 | 东君新能源有限公司 | Heating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20150226 |
|
| EXPY | Termination of patent right or utility model |