CN214700949U - Uniform-temperature heating skirting line electric heater - Google Patents
Uniform-temperature heating skirting line electric heater Download PDFInfo
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- CN214700949U CN214700949U CN202120662664.XU CN202120662664U CN214700949U CN 214700949 U CN214700949 U CN 214700949U CN 202120662664 U CN202120662664 U CN 202120662664U CN 214700949 U CN214700949 U CN 214700949U
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Abstract
The utility model discloses a samming heating skirting line electric heater, including the casing of electric heater, install the heat-generating body among the casing inner chamber, casing inner chamber's intermediate position still is equipped with the guide plate, and the guide plate is located the top of heat-generating body, the heat of gathering in the middle of the guide plate dispersion electric heater to guide the both ends diffusion of hot gas flow to the electric heater. The heat in the high-temperature area in the middle of the casing of the skirting line electric heater is guided to the low-temperature areas at the two ends of the casing by the guide plate, so that the temperature of hot air in the high-temperature area in the middle of the casing is reduced, the temperature of hot air in the two ends of the casing is increased, the temperature distribution uniformity of the hot air in the casing is improved, and hot spot areas with overhigh temperature on the surfaces of the front panel and the rear panel of the casing and the surface of the air outlet grille are eliminated.
Description
Technical Field
The utility model belongs to the technical field of electrical apparatus, especially, relate to a samming heating skirting line electric heater.
Background
In order to improve the environment and reduce the pollution caused by coal-fired heating, more and more cities greatly advance the engineering of changing coal into electricity, and encourage the adoption of clean energy sources such as electric heating and the like. The area in the south of the Yangtze river in China has no central heating, the heating period is short, the electric heating mode is mainly used for heating in winter, and the electric heating is more suitable for areas with hot summer and cold winter. The appearance of skirting line electric heater adopts the skirting line shape, is a heating installation that can place in the corner, and it is small and exquisite, pleasing to the eye and because of the disguise is good, neither occupation space has better heating effect again. The skirting line electric heater utilizes the principle of natural convection heat transfer, and the bottom air intake of indoor air follow skirting line electric heater flows in, is heated by the inside heating element of electric heater, and the air intensification forms the hot-air, and under hot-air buoyancy lift effect, the hot-air come-up flows from skirting line top air outlet, and indoor cold air then gets into the inside replenishment of electric heater, so the circulation repeatedly, heats the room air, improves indoor ambient temperature, supplies indoor heating.
However, the temperature distribution of the air outlet hot air flow of the present skirting line electric heater is not uniform, the hot air flow temperature of the two end regions of the casing of the skirting line electric heater is low, and the hot air flow temperature of the middle region is high, so that the casing and the air outlet grille are heated by the high-temperature hot air flow, the local hot spot temperature of the middle region of the upper part of the front and back panel surfaces of the casing is too high, the local hot spot temperature of the middle region of the surface of the air outlet grille is too high, the temperature rise requirement of the national standard safety standard is easily exceeded, the use safety of a user is affected, and certain potential safety hazards exist.
In order to solve the existing problems, the invention provides a uniform-temperature heating skirting line electric heater which eliminates a local high-temperature hot air flow region by improving the temperature uniformity of hot air flow and strengthening self-heating convection heat transfer, further solves the problem of overhigh temperature of local hot spots on the surfaces of front and back panels of a shell and the surface of an air outlet grid, meets the requirements of national standard safety temperature rise standards, improves the use safety of users and eliminates potential safety hazards.
SUMMERY OF THE UTILITY MODEL
For solving the problem among the above-mentioned prior art, the utility model provides a samming heating skirting line electric heater utilizes the guide plate to lead the low temperature region to the casing both ends with the heat of the high temperature region in the middle of the skirting line electric heater casing, reduces the heat gathering of casing middle zone, reduces the temperature of middle zone hot gas flow, improves the temperature distribution homogeneity of hot gas flow in the casing.
In order to achieve the above object, the utility model discloses a specific technical scheme of samming heating skirting line electric heater as follows:
the utility model provides a samming heating skirting line electric heater, includes the casing of electric heater, installs the heat-generating body in the casing inner chamber, the intermediate position of casing inner chamber still is equipped with the guide plate, and the guide plate is located the top of heat-generating body, the heat of gathering in the middle of the guide plate dispersion electric heater to the guide hot gas flow diffuses to the both ends of electric heater.
Further, the upper end of the guide plate is connected to the top of the casing of the electric heater, and the top of the casing of the electric heater is provided with an air outlet grid.
Furthermore, the guide plates are at least two and are respectively positioned on two sides of the middle position of the inner cavity of the shell.
Furthermore, the number of the guide plates is two, and an opening formed between the upper ends of the two guide plates is larger than an opening formed between the lower ends of the two guide plates.
Furthermore, the included angle theta between the guide plate and the horizontal direction ranges from 95 degrees to 135 degrees.
Furthermore, the heat dissipation width of the skirting line is L0, and the distance L between the lower ends of the two guide plates is not more than 1/3L 0.
Furthermore, a front panel air inlet grille capable of enhancing self-heating convection heat transfer is arranged on a front panel of the shell arranged on the electric heater shell.
Furthermore, a rear panel air inlet grille is arranged on a rear panel of the shell of the electric heater.
Furthermore, a bottom air inlet grille is arranged at the bottom of the shell of the electric heater.
Further, be connected with control panel on the chassis bottom of electric heater, and control panel electric connection in controller, controller electric connection in heat-generating body.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. this design simple structure practices thrift the cost, only needs to utilize the guide plate setting at the electric heater intermediate position, can reduce the regional hot air current temperature of casing middle part high temperature with the heat drainage of middle part high temperature region to casing both ends low temperature region, improves the hot air current temperature distribution homogeneity in the casing.
2. Meanwhile, the air inlet grille is arranged on the front panel of the casing, so that the chimney effect in the casing is enhanced, the natural convection heat transfer is enhanced, the natural convection air quantity in the casing is improved, the hot air flow temperature is reduced, the hot spot area with overhigh surface temperature of the front panel, the rear panel and the air outlet grille of the casing is further eliminated, the requirement of national standard safety regulations on temperature rise is met, and the use safety of a user is improved.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a perspective view of the present invention;
fig. 4 is a perspective view of another viewing angle of the present invention.
The reference numbers in the figures illustrate: the air conditioner comprises a casing front panel 1, an air outlet grille 2, a front panel air inlet grille 3, a control panel 4, a bottom air inlet grille 5, a heating body 6, a rear panel air inlet grille 7 and a guide plate 8.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to fig. 1-4 for a uniform temperature heating skirting electric heater.
The skirting line electric heater with the guide plate 8 has the advantages that the heating body 6 is installed in the inner cavity of the shell, the heating body 6 is electrically controlled to be started and closed through the control panel 4, the guide plate 8 is further arranged in the middle of the inner cavity of the shell, the guide plate 8 is positioned above the heating body 6, the guide plate 8 utilizes the wall attachment effect to guide the heat air to diffuse towards the two ends of the electric heater, disperses the heat gathered in the middle of the electric heater, reduces the temperature of the hot air flow in the middle of the electric heater, and then reduce the temperature of the middle local hot spot of air-out grid 2, improve the reliability of grid national standard ann rule temperature rise, the effective heat dissipation width of skirting line is L0, and 3 widths of the front panel air inlet grid that skirting line electric heater casing front panel set up can be the same with the effective heat dissipation width L0 of casing, or 3 widths of front panel air inlet grid are less than the effective heat transfer width L0 of casing. The distance L between the bottoms of the two guide plates 8 is not more than 1/3L0, and the preferable range of the included angle theta between the guide plates 8 and the horizontal direction is 95-135 degrees. The skirting line electric heater with the guide plate 8 disperses heat by utilizing the wall attachment effect of the guide plate 8, improves the temperature of hot air flow at two end regions of the shell, reduces the temperature of hot air flow at the middle region of the shell, and strengthens the chimney effect of self-heating convection heat transfer by utilizing the design of the front panel air inlet grille 3 of the shell.
This electric heater main part of design still includes: the front panel 1 of the casing, the air outlet grille 2, the front panel air inlet grille 3, the bottom air inlet grille 5 and the rear panel air inlet grille 7 are all in the shapes of a circle, a square, a diamond or a runway shape and the like, and the larger the aperture ratio of the air inlet grille is, the smaller the air inlet resistance is. Wherein, the casing front panel 1 constitutes the sheet metal component of skirting line electric heater. The larger the aperture ratio of the air outlet grille 2 is, the stronger the chimney effect is, the larger the natural convection air flow is, the lower the air outlet temperature of the air outlet grille 2 is, the lower the temperature of the air outlet grille 2 is, the higher the temperature rise reliability of the air outlet grille 2 is, and the aperture ratio of the air outlet grille 2 is more than or equal to 50%. The opening rate of the front panel air inlet grille 3 is larger, the air inlet resistance is smaller, the natural convection air flow is larger, the temperature of the air outlet grille 2 is lower, and the distance between the upper edge of the grille and the bottom of the electric heater is less than or equal to the height H0 of the heating body 6; the control panel 4 is used for electrically connecting and controlling a switch, a temperature setting and a timer of the skirting line electric heater. The larger the aperture ratio of the bottom air inlet grille 5 is, the smaller the air inlet resistance is, the larger the sucked indoor air amount is, and the larger the natural convection air flow is, so that the indoor air heating circulation can be accelerated, the temperature of the air outlet grille 2 can be reduced, the temperature rise reliability of the grille can be improved, and the aperture ratio is more than or equal to 50%. The larger the aperture ratio of the rear panel air inlet grille 7 is, the smaller the air inlet resistance is, the larger the sucked indoor air quantity is, and the larger the natural convection air flow is, so that the indoor air heating circulation can be accelerated, the temperature of the air outlet grille 2 can be reduced, and the temperature rise reliability of the grille can be improved.
Be equipped with guide plate 8 in the electric heater of this design, guide plate 8 can set up the polylith, open the circular telegram back when the electric heater, heat-generating body 6 begins to produce the heat, wherein, heat-generating body 6 adopts electric heating element and control panel 4 such as aluminium fin heating pipe, graphite alkene heat-generating body 6, forked heat-generating body 6 for the air that the heating got into from the air inlet grille, the height between the upper edge of heat-generating body 6 and the electric heater bottom surface is H0. The temperature of heat-generating body 6 risees, 6 near surface air of heat-generating body is heated and is formed hot-air, hot-air upwards flows under the buoyancy lift effect, 6 near surface air pressure of heat-generating body reduces, under the negative pressure effect, indoor air is from skirting line electric heater bottom air inlet grille 5, rear panel air inlet grille 7, inside front panel air inlet grille 3 flowed into the electric heater, flow to 6 surface reheating of heat-generating body, form the indoor heating circulation of natural convection, hot-air flows to the air-out grille 2 of electric heater top under the buoyancy lift effect, hot-air flows out the electric heater from air-out grille 2, heat panel upper portion and air-out grille 2 around the casing simultaneously, panel upper portion and air-out grille 2 temperature risees around the casing.
Because the hot air is gathered to the middle in the floating process, the surface temperature of the middle upper part of the front panel and the rear panel of the machine shell and the middle area of the air outlet grid 2 is high, preferably two guide plates 8 are arranged in the skirting line machine shell, the hot air gathered to the middle in the machine shell can be guided to two ends under the action of the wall attachment effect, so that the hot air in the middle is diffused to two ends, meanwhile, the front panel of the machine shell is provided with the front panel air inlet grid 3, the chimney effect among the guide plates 8 in the machine shell can be strengthened, the natural convection heat transfer is enhanced, the natural convection air quantity among the guide plates 8 is improved, more cold air flows in from the front panel air inlet grid 3 arranged on the front panel of the machine shell, the cold air enters the machine shell to be mixed with the hot air, the middle hot air temperature in the machine shell is further reduced, and the heating effect of the hot air on the upper parts of the front panel and the rear panel of the machine shell and the air outlet grid 2 is weakened, the temperature of the upper parts of the front panel and the rear panel of the casing and the local hot points of the air outlet grille 2 is reduced, and the user experience and the temperature rise safety are improved.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.
Claims (10)
1. The utility model provides a samming heating skirting line electric heater, includes the casing of electric heater, installs heat-generating body (6), its characterized in that in the casing inner chamber: the middle position of the inner cavity of the shell is also provided with a guide plate (8), the guide plate (8) is positioned above the heating body (6), and the guide plate (8) disperses the heat gathered in the middle of the electric heater so as to guide the hot air flow to diffuse to the two ends of the electric heater.
2. The electric heater of claim 1, wherein the upper end of the flow guide plate (8) is connected to the top of the casing of the electric heater, and the top of the casing of the electric heater is provided with an air outlet grille (2).
3. The electric heater of claim 2, wherein at least two baffles (8) are arranged and are respectively positioned at two sides of the middle position of the inner cavity of the casing.
4. The uniform-temperature heating skirting line electric heater as claimed in claim 3, wherein said flow guiding plates (8) are two, and the opening formed between the upper ends of the two flow guiding plates (8) is larger than the opening formed between the lower ends.
5. The temperature-equalizing heating skirting line electric heater as claimed in claim 2, wherein the angle θ between said deflector (8) and the horizontal is in the range of 95 ° -135 °.
6. The uniform-temperature heating skirting line electric heater as claimed in claim 4, wherein the radiating width of the skirting line is L0, and the distance L between the lower ends of the two guide plates (8) is less than or equal to 1/3L 0.
7. The electric heater of claim 1, wherein the front panel (1) of the electric heater casing is provided with a front panel air inlet grille (3) for enhancing self-heating convection heat transfer.
8. The electric heater of claim 1, wherein a rear panel air inlet grille (7) is disposed on a rear panel of the casing of the electric heater.
9. The electric heater of claim 1, wherein a bottom air inlet grille (5) is disposed on the bottom of the casing of the electric heater.
10. The electric heater of claim 1, wherein the bottom of the casing of the electric heater is connected with a control panel (4), the control panel (4) is electrically connected to the controller, and the controller is electrically connected to the heating element (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120662664.XU CN214700949U (en) | 2021-04-01 | 2021-04-01 | Uniform-temperature heating skirting line electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120662664.XU CN214700949U (en) | 2021-04-01 | 2021-04-01 | Uniform-temperature heating skirting line electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214700949U true CN214700949U (en) | 2021-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120662664.XU Active CN214700949U (en) | 2021-04-01 | 2021-04-01 | Uniform-temperature heating skirting line electric heater |
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| Country | Link |
|---|---|
| CN (1) | CN214700949U (en) |
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2021
- 2021-04-01 CN CN202120662664.XU patent/CN214700949U/en active Active
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