CN211925939U - Electric heating device and cabinet machine - Google Patents
Electric heating device and cabinet machine Download PDFInfo
- Publication number
- CN211925939U CN211925939U CN202020080258.8U CN202020080258U CN211925939U CN 211925939 U CN211925939 U CN 211925939U CN 202020080258 U CN202020080258 U CN 202020080258U CN 211925939 U CN211925939 U CN 211925939U
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- China
- Prior art keywords
- electric heating
- air duct
- electric
- cabinet
- wall
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- 238000005485 electric heating Methods 0.000 title claims abstract description 52
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 230000005494 condensation Effects 0.000 claims abstract description 21
- 238000009833 condensation Methods 0.000 claims abstract description 21
- 238000004026 adhesive bonding Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 10
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000758 substrate Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Direct Air Heating By Heater Or Combustion Gas (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The utility model provides an electric heater unit and cabinet-type air conditioner relates to air conditioner technical field, and the too big technical scheme of solution cabinet-type air conditioner condensation volume that has solved existence among the prior art has certain limitation, can't effectively solve the too big problem of condensation volume, influences the technical problem that the user used experience. The electric heating device comprises an electric heating body and a wind channel shell; the electric heater can be electrified to generate heat and heat surrounding air; the electric heating body is arranged on the inner wall of the air duct shell on at least one side. The utility model discloses with the electric heating body setting at the inner wall of wind channel casing, can avoid the inner wall of wind channel casing obvious cooling to the formation of condensation that has significantly reduced has improved user's use and has experienced. In addition, when the cabinet-type air conditioner heats, generally need wait for a period of time just can produce hot-blastly, and electric heater can play the effect of auxiliary heating, has further improved user's use and has experienced.
Description
Technical Field
The utility model belongs to the technical field of the air conditioner technique and specifically relates to an electric heater unit and cabinet-type air conditioner are related to.
Background
In the operation process of the cabinet air conditioner, when the indoor environment humidity is high, if the temperature of the inner coil is lower than the current dew point temperature, condensation can be generated. A certain amount of condensation is a normal phenomenon, but when the amount of condensation is too large, excessive condensed water may be blown out or flow down along the air conditioner external panel, causing inconvenience to users.
At present, the problem of excessive condensation is generally solved by optimizing the flow distribution or sticking heat insulation cotton on the inner side of an air conditioner panel. However, when the ambient humidity where the air conditioner is located is very high, and the air conditioner runs at high frequency at the moment, the problem of too large condensation amount still cannot be solved, and the product is difficult to meet the use requirement, so that the use experience of a user is influenced.
The applicant has found that the prior art has at least the following technical problems:
the too big technical scheme of solution cabinet-type air conditioner condensation volume that has now has certain limitation, can't effectively solve the too big problem of condensation volume, influences the user and uses experience.
Disclosure of Invention
An object of the utility model is to provide an electric heater unit and cabinet-type air conditioner to solve the too big technical scheme of solution cabinet-type air conditioner condensation volume that exists among the prior art and have certain limitation, can't effectively solve the too big problem of condensation volume, influence the technical problem that the user used experience. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an electric heating device, which comprises an electric heating body and an air duct shell; the electric heater can be electrified to generate heat and heat surrounding air; the electric heating body is arranged on the inner wall of the air duct shell on at least one side.
Optionally, the depth of the electric heater is less than the depth of the air duct housing.
Optionally, the shape of the electric heater matches the shape of the air duct housing.
Optionally, the electric heater is located adjacent to a centrifugal fan of the cabinet.
Optionally, a groove is formed in the inner wall of the air duct shell, and the electric heating body is connected with the air duct shell in a clamping mode at the position of the groove.
Optionally, the inner wall of the air duct housing is further provided with a cabling duct.
Optionally, the electric heater is fixed to the inner wall of the air duct shell through gluing.
Alternatively, the electric heater is composed of a base body and a heating wire.
Optionally, the electric heater is a PTC heater.
A cabinet machine comprises an electric heating device, wherein the electric heating device is any one of the electric heating devices.
Any technical scheme can at least produce the following technical effects:
the utility model discloses with the inner wall of electric heating body setting at the wind channel casing, at cabinet-type air conditioner refrigeration during operation, electric heating body production of heat can avoid the inner wall of wind channel casing obvious cooling to the condensation formation of the wind channel shells inner wall that has significantly reduced also helps reducing the formation of cabinet-type air conditioner casing internal dirt, keeps clean environment, has improved user's use and has experienced. In addition, when the cabinet-type air conditioner heats, hot air can be generated after waiting for a period of time (about 2-3 minutes), or the heating effect of the period of time is not ideal, the electric heating body can play a role in auxiliary heating, and air in the air duct is heated in an auxiliary manner when the electric heating body is started, so that the use experience of a user is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is an internal schematic view of a cabinet from a first perspective;
fig. 2 is an internal schematic view of the cabinet from a second perspective.
In the figure 1, an electric heater; 2. an air duct housing; 3. a cabinet housing; 4. a centrifugal fan; 5. an air duct.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides an electric heating device, as shown in figure 1-2, including electric heating body 1 and wind channel casing 2, the shadow part is the position of electric heating body 1 in figure 2 promptly. The electric heating body 1 can be electrified to generate heat and heat surrounding air, the electric heating body 1 and the cabinet machine work synchronously, the surrounding air is heated after the electric heating body is electrified, and condensation generated when the temperature in the air duct 5 is reduced below a dew point during the refrigeration work of the cabinet machine can be avoided. The air consists of dry air and water vapor, the relative humidity of the air can be increased along with the reduction of the air temperature under certain pressure, when the air is cooled to 100 percent of the relative humidity, the air reaches the maximum value of the water vapor containing quantity, the air temperature is the dew point temperature of the air in the state, and if the air temperature is continuously reduced, the water vapor which can not be contained by the air can be separated out to form condensation. The electric heater 1 is arranged on the inner wall of the air duct shell 2 on at least one side, and of course, the electric heater 1 is preferably arranged on the inner walls of the air duct shell 2 on two sides of the air duct 5 to achieve a better heating effect. The heating temperature of the electric heater 1 is preferably lower than the melting temperature of the air duct shell 2 (generally made of plastic) so as to avoid damaging the air duct shell 2, and if the working temperature of the electric heater 1 exceeds two thirds of the melting temperature, a layer of heat-insulating layer, such as mica paper, high-temperature-resistant fiber and the like, can be wrapped outside. When the cabinet air conditioner works in a refrigerating mode, cold air generated by the centrifugal fan 4 and normal-temperature air are mixed in the air duct 5 of the air duct shell 2 most easily, and therefore condensation is generated on the inner wall of the air duct shell 2. The utility model discloses with electric heating body 1 setting at the inner wall of wind channel casing 2, at the refrigeration during operation, electric heating body 1 produces the heat, can avoid the inner wall of wind channel casing 2 obvious cooling to the condensation formation of the 2 inner walls of wind channel casing that have significantly reduced also helps reducing the formation of the interior dirt of cabinet-type air conditioner casing 3, keeps clean environment, has improved user's use and has experienced. In addition, when the cabinet-type air conditioner heats, hot air generally needs to be generated after waiting for a period of time (about 2-3 minutes), or the heating effect of the period of time is not ideal, the electric heating body 1 can play a role in auxiliary heating, and air in the air duct 5 is subjected to auxiliary heating when the heating is started, so that the use experience of a user is further improved.
As an optional implementation manner, as shown in fig. 2, the depth of the electric heater 1 is smaller than that of the air duct housing 2, that is, the electric heater 1 does not protrude out of the air duct housing 2 and contact with other parts of the cabinet housing 3, so that the assembly is facilitated, and the electric heater 1 is prevented from being damaged due to touch or the like in the installation process. The shape of the electric heating body 1 is matched with that of the air duct shell 2, the air duct shell 2 is in a curved surface shape, the electric heating body 1 is also in a curved surface sheet structure matched with the curved surface sheet structure (the specific thickness is preferably 1-3mm so as to prevent the electric heating body 1 with an overlarge thickness value from influencing the air flow movement in the air duct 5 and influencing the working efficiency of the centrifugal fan 4), and the electric heating body 1 is convenient to be installed on the inner wall of the air duct shell 2 and tightly attached to the air duct shell 2. The length and heating power of the electric heater 1 can be set as required.
As an alternative embodiment, as shown in fig. 2, the electric heater 1 is located adjacent to the centrifugal fan 4 of the cabinet, i.e. the electric heater 1 is disposed on the inner wall of the air duct housing 2 surrounding the centrifugal fan 4. The position of producing the condensation with 2 inner walls of wind channel casing adjacent 4 centrifugal fan is the easiest, and electric heating body 1 encircles the setting of centrifugal fan 4 and can play better effect that prevents or reduce the production of condensation, and is also better to the auxiliary heating effect of air current when heating simultaneously. Of course, the electric heater 1 may be disposed at other positions on the inner wall of the air duct housing 2, and may be selected as needed.
As an optional implementation manner, a groove is formed in the inner wall of the air duct housing 2, the air duct housing 2 is generally made of a plastic material, the groove can be formed by direct injection molding, machining and other processes, the size of the groove is matched with the size of the electric heating body 1, that is, the shape, the length, the width and the like of the electric heating body 1 are matched with each other, at this time, the thickness of the electric heating body 1 can be slightly larger, a better heating effect is achieved, and particularly, the thickness of the electric heating body is preferably not more than half of the thickness of the. Electric heating body 1 is connected at recess position block with wind channel casing 2, because electric heating body 1 matches with the size of recess, impresses electric heating body in the recess, and both carry out the block and connect, and electric heating body 1 has just realized fixing in wind channel casing 2. The inner wall of the air duct shell 2 is also provided with a wiring groove (not shown in the figure), the wiring groove is used for arranging wires, the wires are used for connecting the electric heating body 1 with an electric appliance box of the cabinet machine, the electric heating body 1 is further electrified, and meanwhile, the wiring groove can also prevent the wires from protruding in the air duct 5 to influence the movement of air flow.
As an optional implementation mode, the electric heater 1 is fixed to the inner wall of the air duct housing 2 by gluing, the gluing process omits a step of forming a groove on the inner wall of the air duct housing 2, the operation is simple, but the thickness of the electric heater 1 is not too large at this time, so as to avoid protruding into the air duct 5 to influence the flow of air flow in the air duct 5.
In an alternative embodiment, the electric heater 1 is composed of a substrate and a heating wire, the substrate may be a plastic sheet, a metal sheet, or the like, the heating wire is directly wound on the substrate, the heating wire generates heat when being electrified, and the heating wire may be made of a material selected from a group of electric alloys such as fe-cr-al, ni-cr, and the like. The electric heating body 1 is a PTC heating body which is composed of a PTC ceramic heating element and an aluminum tube and has the advantages of small thermal resistance and high heat dissipation efficiency.
The utility model provides a cabinet-type air conditioner, includes electric heater unit, electric heater unit does the utility model provides an electric heater unit. With electric heater 1 setting at the inner wall of wind channel casing 2, when cabinet-type air conditioner refrigeration work, avoid the inner wall of wind channel casing 2 to appear obviously cooling and produce the condensation, also help reducing the formation of dirt in cabinet-type air conditioner casing 3, keep the clean environment of cabinet-type air conditioner casing 3. In addition, when the cabinet-type air conditioner heats, hot air generally needs to be generated after waiting for a period of time (about 2-3 minutes), or the heating effect of the period of time is not ideal, the electric heating body 1 can play a role in auxiliary heating, and air in the air duct 5 is subjected to auxiliary heating when the heating is started, so that the use experience of a user is improved.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An electric heating device is characterized by comprising an electric heating body and an air duct shell; the electric heater can be electrified to generate heat and heat surrounding air so as to reduce the generation of condensation on the air duct shell; the electric heating body is arranged on the inner wall of the air duct shell on at least one side.
2. The electrical heating apparatus of claim 1, wherein a depth of the electrical heater is less than a depth of the air duct housing.
3. The electrical heating device according to claim 1, wherein the shape of the electrical heating body matches the shape of the air duct housing.
4. The electrical heating device of claim 1, wherein the electrical heater is located adjacent to a centrifugal fan of a cabinet machine.
5. The electric heating device according to claim 1, wherein a groove is formed in an inner wall of the air duct housing, and the electric heating body is connected with the air duct housing in a clamping manner at the groove.
6. The electrical heating apparatus of claim 5, wherein the inner wall of the air duct housing is further provided with a cabling channel.
7. The electrical heating device of claim 1, wherein the electrical heating body is fixed to the inner wall of the air duct housing by adhesive bonding.
8. The electric heating apparatus according to claim 1, wherein the electric heater is constituted by a base body and a heating wire.
9. The electric heating apparatus according to claim 1, wherein the electric heater is a PTC heater.
10. A cabinet comprising an electric heating device, characterized in that the electric heating device is according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020080258.8U CN211925939U (en) | 2020-01-14 | 2020-01-14 | Electric heating device and cabinet machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020080258.8U CN211925939U (en) | 2020-01-14 | 2020-01-14 | Electric heating device and cabinet machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211925939U true CN211925939U (en) | 2020-11-13 |
Family
ID=73330038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020080258.8U Active CN211925939U (en) | 2020-01-14 | 2020-01-14 | Electric heating device and cabinet machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211925939U (en) |
-
2020
- 2020-01-14 CN CN202020080258.8U patent/CN211925939U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |