CN217482739U - Heater with improved structure - Google Patents
Heater with improved structure Download PDFInfo
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- CN217482739U CN217482739U CN202221084321.0U CN202221084321U CN217482739U CN 217482739 U CN217482739 U CN 217482739U CN 202221084321 U CN202221084321 U CN 202221084321U CN 217482739 U CN217482739 U CN 217482739U
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Abstract
The utility model relates to an electric heater technique aims at providing a heater of improvement structure. The heating body of the heater comprises an upper cover, an upper heating body, a lower heating body and a lower cover which are sequentially arranged, wherein the upper cover and the upper heating body form an upper side heat exchange cavity, the lower heating body and the lower cover form a lower side heat exchange cavity, and a heating pipe is embedded between the upper heating body and the lower heating body; cavities which are arranged in a back-turning mode are used as flow channels in the heat exchange cavity, a through flow channel through hole which penetrates through the two cavities is formed between the two cavities and used for connection, and a plurality of spoilers are arranged in the flow channels. The product adopts the design of a double-sided heat exchange cavity, and can realize the arrangement of the heat exchange cavity to the maximum extent in the limited product volume; by utilizing multiple heat exchange structures such as a double-sided flow channel, a spoiler and a reinforced heat exchange area, the heat exchange efficiency is greatly improved, the medium heat exchange time is shortened, and the outlet temperature of hot water or steam is improved. The continuous flow channel area which is always through can keep the water flow to exchange heat evenly, and the continuous supply of hot water or steam is ensured.
Description
Technical Field
The utility model relates to an electric heater technique, in particular to a heater that is used for output high pressure steam and hydrothermal improvement structure.
Background
The range hood as a household appliance necessary for modern kitchens has been in every family for a long time. Due to the characteristics of Chinese cooking, heavy oil and heavy smoke cannot be avoided. While enjoying food, every household had to face the problem of late range hood cleaning. The traditional range hood cleaning only can clean the surface a little, but cannot deeply clean the impeller of the range hood.
The range hood with the steam oil washing function on the market utilizes high-temperature steam generated by a steam heater to soften and clean an impeller. The existing steam heating generator generally adopts a boiler structure. The product of this structure is because heating efficiency is low, and the existence produces steam time longer, the temperature is low, can't produce high pressure hot water, and the gas outlet should block up the scheduling problem, and is fairly limited to stubborn greasy dirt removing effect.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome not enough among the prior art, provide a heater of improvement structure.
In order to solve the technical problem, the utility model discloses a solution is:
the heater with the improved structure comprises a heating body and a heating pipe embedded in the heating body, wherein an electric heating wire is arranged in the heating pipe; the heating body comprises an upper cover, an upper heating body, a lower heating body and a lower cover which are sequentially arranged, the upper cover and the upper heating body form an upper side heat exchange cavity, the lower heating body and the lower cover form a lower side heat exchange cavity, the heating pipe is embedded between the connected surfaces of the upper heating body and the lower heating body, and the wiring end is exposed out of the heating body; in the upper heat exchange cavity and the lower heat exchange cavity, cavities which are arranged in a turn-back manner are respectively used as flow channels; a through flow channel through hole is arranged between the two cavities and is used for connecting the upper flow channel and the lower flow channel; the head end of the upper flow channel is provided with a water inlet, the tail end of the lower flow channel is provided with a steam/water outlet, and a plurality of spoilers are arranged in the upper flow channel and/or the lower flow channel; and a plurality of groups of screw holes which longitudinally penetrate through the heating body are formed in the heating body, and the fastening and installation of each part of the heating body are realized by a locking screw rod and a nut.
As an improved scheme, the connecting surfaces of the upper heating body and the lower heating body are respectively provided with a groove, two groups of grooves are correspondingly combined to form a mounting groove, and the heating pipe is embedded in the mounting groove.
As an improved scheme, silica gel sealing rings for sealing are respectively arranged between the upper cover and the upper heating body and between the lower heating body and the lower cover.
As an improved scheme, the spoilers are arranged in a fin-shaped interval staggered manner, and an included angle smaller than 90 degrees is formed between each spoiler and the flowing direction of the medium; or the spoilers are distributed in a parallel, spaced and staggered manner, and the medium returns back and flows among the spoilers.
As an improved scheme, a concave part is arranged on the surface of the upper cover, a temperature controller is arranged in the concave part, and the temperature controller is respectively connected with the terminal of the heating pipe and an external power supply through cables.
As an improvement scheme, an NTC temperature sensor and a fuse which are respectively connected to the temperature controller through cables are arranged on the heating body, and the fuse is fixed by a wiring harness pressing plate.
As an improved scheme, at least two mesh screens are arranged in the lower side heat exchange cavity.
As an improved scheme, a plurality of reinforced heat exchange areas formed by densely distributed pyramid-shaped convex structures are arranged at the corner areas and the edge parts of the upper heat exchange cavity and the lower heat exchange cavity; and U-shaped continuous flow channel areas with smooth surfaces are formed among the reinforced heat exchange areas.
As a modified scheme, the water inlet and the steam outlet/water outlet are arranged on the same side or the opposite side of the heating body.
As an improvement scheme, the upper heating body and the lower heating body are of an integrated structure manufactured in a die-casting mode, and the heating pipe is clamped in the heating body of the integrated structure.
Compared with the prior art, the utility model has the technical effects that:
1. the utility model adopts the design of the double-sided heat exchange cavity, and can realize the arrangement of the heat exchange cavity to the utmost extent in the limited product volume; by utilizing multiple heat exchange structures such as a double-sided flow channel, a spoiler and a reinforced heat exchange area, the heat exchange efficiency is greatly improved, the medium heat exchange time is shortened, and the outlet temperature of hot water or steam is improved.
2. The utility model discloses the continuous flow channel that the design link up all the time is regional in two-sided heat transfer cavity, can keep the even heat transfer of rivers, guarantees the continuous supply of hot water or steam.
3. The utility model discloses take the fin spoiler that is the staggered arrangement, when strengthening the heat transfer, also can avoid appearing hot water or steam and not flow according to the design runner and lead to the water spray phenomenon in the heating process.
4. The utility model discloses set up the slice mesh screen in heat transfer cavity, can effectively get rid of the dirt or the incrustation scale that mix with in the steam, avoid the export to block up.
5. The utility model discloses set up with the edge part in heat transfer cavity's corner region and strengthen the heat transfer district, can promote heat exchange efficiency when guaranteeing the medium flow rate in the continuous flow channel region.
6. The utility model discloses integrateed temperature controller and NTC temperature sensor can be according to predetermineeing control logic and realize high-pressure hot water and high-temperature steam's switching to in time according to the actual temperature of heat-generating body in time adjust heating power, for the temperature that detects mouthful hot water and steam in the conventional art, the control of this product is more stable, the adjustment is more timely, avoids lagging.
7. For the application scene of the range hood, the oil stain can be softened by high-temperature steam and then washed by high-pressure hot water. Therefore, the product can be expanded to other technical fields of steam mops, steam cleaners, dish washing machines, disinfection cabinets and the like with the functions of producing steam and hot water.
Drawings
FIG. 1 is an exploded view of the structure of the present invention;
FIG. 2 is a schematic view of an upper heat-generating body (left) and a lower heat-generating body (right);
FIG. 3 is an internal side view of the present invention;
fig. 4 is a top view (upper) and a bottom view (lower) of the present invention.
The reference numbers in the figures are: 1-a nut; 2-a spring washer; 3-covering the cover; 4-temperature controller screw; 5-temperature controller; 6-water inlet; 7-a platen screw; 8-a wire harness pressing plate; 9-a silica gel sealing ring; 10-heating a tube; 11-a heating element; 12-NTC temperature sensor; 13-NTC screw; 14-a mesh screen; 15-mesh screen; 16-a silica gel sealing ring; 17-water/air outlet; 18-a lower cover; 19-locking screw rod; 20-a flow channel through hole; 21-a raised structure; 22-upper side heat exchange cavity; 23-lower heat exchange chamber.
Detailed Description
The numbering of the components as such, for example "first", "second", etc., in this application is used solely to distinguish between the objects depicted and not to imply any order or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application.
In this application, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediary. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in the figure, the heater with the improved structure comprises a heating body 11 and a heating tube 10, and an electric heating wire is arranged in the heating tube 10. The heating body 11 comprises an upper cover 3, an upper heating body, a lower heating body and a lower cover 18 which are sequentially arranged, the upper cover 3 and the upper heating body form an upper side heat exchange cavity 22, the lower heating body and the lower cover 18 form a lower side heat exchange cavity 23, and silica gel sealing rings 9 and 16 for sealing are respectively arranged between the upper cover 3 and the upper heating body and between the lower heating body and the lower cover 18.
The heating tube 10 is bent in advance and may be selected to have a U-shape, M-shape or other suitable shape. The heating tube 10 is embedded between the contact surfaces of the upper heating element and the lower heating element, and the terminal is exposed to the outside of the heating element 11. The upper and lower heating elements may be formed as an integral structure by die casting, and the heating pipe 10 is embedded in the integral structure. The upper heating body and the lower heating body can be manufactured by independent die casting respectively, grooves are formed in the surfaces of the upper heating body and the lower heating body respectively and correspondingly combined to form mounting grooves, and the heating pipe 10 is embedded in the mounting grooves.
In the upper heat exchange cavity and the lower heat exchange cavity, cavities which are arranged in a turn-back manner are respectively used as flow channels; a through flow passage through hole 20 is arranged between the two cavities and is used for connecting the upper flow passage and the lower flow passage; a plurality of reinforced heat exchange areas formed by densely distributed pyramid-shaped convex structures 21 are arranged at the corner areas and the edge parts of the upper heat exchange cavity and the lower heat exchange cavity; u-shaped continuous flow channel areas with smooth surfaces are formed among the reinforced heat exchange areas. The water inlet 6 is arranged at the head end of the upper flow passage, the steam/water outlet 17 is arranged at the tail end of the lower flow passage, and the water inlet 6 and the steam/water outlet 17 can be optionally arranged on the same side (or opposite sides) of the heating body. The spoilers are arranged in the upper flow channel and/or the lower flow channel in a fin-shaped interval staggered manner, an included angle smaller than 90 degrees is formed between each spoiler and the flowing direction of the medium (as shown in the left side of figure 2), the spoilers can also be distributed in a parallel interval staggered manner, and the medium returns back and flows between the spoilers (as shown in the right side of figure 2). Two screens 14, 15, with exemplary apertures of 0.7mm and 1mm, are mounted in the lower heat exchange chamber.
The surface of the upper cover 3 is provided with a concave part, a temperature controller 5 is arranged in the concave part, and the temperature controller 5 is respectively connected with a wiring terminal of the heating pipe 10 and an external power supply through cables. The heating body 11 is provided with an NTC temperature sensor 12 and a fuse which are respectively connected to the temperature controller 5 through cables, and the fuse is fixed by a wire harness pressing plate 8.
A plurality of groups of screw holes which penetrate through the heating body 11 in the longitudinal direction are arranged, and the fastening and installation of all parts of the heating body are realized by the locking screw rod 19, the nut 1 and the spring washer 2. As shown in the figure, the overall appearance of the heating body is in a long box shape, and the heating body can be made into a box shape with a round, oval or special-shaped cross section according to actual installation requirements.
Example assembly scheme:
1. the upper cover 3, the upper heating body, the lower heating body and the lower cover 18 are respectively manufactured in a die casting or pouring mode, the heating pipe 10 is bent in advance and embedded in a mounting groove between the upper heating body and the lower heating body, and the flow passage through hole 20 is kept smooth; alternatively, the heating pipe 10 is directly inserted into the integrated upper and lower heating elements by die casting.
2. Spoilers and mesh screens 14 and 15 are arranged in a flow channel of the upper heating body and the lower heating body, after silica gel sealing rings 9 and 16 are placed, the upper cover 3 and the lower cover 18 are correspondingly arranged, and then a locking screw rod 19, a nut 1 and a spring washer 2 are used for fastening and mounting. The spoiler can also be directly processed into an integrated structure when the upper heating body and the lower heating body are manufactured.
3. An NTC temperature sensor 12 is arranged on the surface of the heating element 11 and is fixed by an NTC screw 13; a temperature controller 5 is installed and fixed by a temperature controller screw 4; according to the designed circuit, electric parts such as cables, fuses and the like are connected.
Example of the method of use:
the external controller is used for selection, after the temperature controller receives a control signal, the power of the heating pipe 10 is adjusted at any time by combining a temperature detection signal of the NTC temperature sensor 12, the medium temperature in the heat exchange cavity is further adjusted, and finally the supply of high-pressure hot water or high-pressure steam is realized.
Claims (10)
1. A heater with an improved structure comprises a heating body and a heating pipe embedded in the heating body, wherein an electric heating wire is arranged in the heating pipe; it is characterized in that the preparation method is characterized in that,
the heating body comprises an upper cover, an upper heating body, a lower heating body and a lower cover which are sequentially arranged, the upper cover and the upper heating body form an upper side heat exchange cavity, the lower heating body and the lower cover form a lower side heat exchange cavity, the heating pipe is embedded between the connected surfaces of the upper heating body and the lower heating body, and the wiring end is exposed out of the heating body;
in the upper side heat exchange cavity and the lower side heat exchange cavity, cavities which are arranged in a back-turning mode are respectively used as flow channels; a through flow passage through hole is arranged between the two cavities and is used for connecting the upper flow passage and the lower flow passage; the head end of the upper flow channel is provided with a water inlet, the tail end of the lower flow channel is provided with a steam/water outlet, and a plurality of spoilers are arranged in the upper flow channel and/or the lower flow channel;
and a plurality of groups of screw holes which longitudinally penetrate through the heating body are formed in the heating body, and the locking screw rod and the nut are used for realizing the fastening and installation of all parts of the heating body.
2. The heater of claim 1, wherein the upper heating element and the lower heating element have grooves on their surfaces, and the two grooves are correspondingly combined to form a mounting groove, and the heating tube is inserted into the mounting groove.
3. The heater of claim 1, wherein silicone sealing rings for sealing are respectively provided between the upper cover and the upper heating body and between the lower heating body and the lower cover.
4. The heater of claim 1, wherein the plurality of baffles are spaced apart and staggered in a fin-like manner, and each baffle forms an angle of less than 90 ° with the direction of flow of the medium; or the spoilers are distributed in a parallel, spaced and staggered manner, and the medium flows back and forth among the spoilers.
5. The heater of claim 1, wherein the upper cover has a recess on its surface, and a thermostat is installed in the recess and is connected to the terminal of the heating tube and an external power source via cables.
6. The heater of claim 1, wherein the heating body is provided with an NTC temperature sensor and a fuse connected to the thermostat through cables, respectively, and the fuse is fixed by a harness pressing plate.
7. The heater of claim 1, wherein at least two mesh screens are mounted in the lower heat exchange chamber.
8. The heater of claim 1, wherein a plurality of reinforced heat exchange areas formed by densely distributed pyramid-shaped convex structures are arranged at the corner areas and the edge parts of the upper heat exchange cavity and the lower heat exchange cavity; u-shaped continuous flow channel areas with smooth surfaces are formed among the reinforced heat exchange areas.
9. The heater of claim 1, wherein the water inlet and the steam/water outlet are disposed on the same side or opposite sides of the heat generating body.
10. The heater of any one of claims 1 to 9, wherein the upper and lower exothermic bodies are of a one-piece structure made by die-casting, and the heating tube is held in the one-piece structure exothermic body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221084321.0U CN217482739U (en) | 2022-05-07 | 2022-05-07 | Heater with improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221084321.0U CN217482739U (en) | 2022-05-07 | 2022-05-07 | Heater with improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217482739U true CN217482739U (en) | 2022-09-23 |
Family
ID=83310055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221084321.0U Active CN217482739U (en) | 2022-05-07 | 2022-05-07 | Heater with improved structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217482739U (en) |
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2022
- 2022-05-07 CN CN202221084321.0U patent/CN217482739U/en active Active
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