CN109990461B - Heating device and disinfection cabinet having the same - Google Patents
Heating device and disinfection cabinet having the same Download PDFInfo
- Publication number
- CN109990461B CN109990461B CN201711481466.8A CN201711481466A CN109990461B CN 109990461 B CN109990461 B CN 109990461B CN 201711481466 A CN201711481466 A CN 201711481466A CN 109990461 B CN109990461 B CN 109990461B
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- CN
- China
- Prior art keywords
- air
- air duct
- heating
- heating device
- air outlet
- 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.)
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 102
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 21
- 239000004020 conductor Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/04—Heat
- A61L2/06—Hot gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1863—Arrangement or mounting of electric heating means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Central Heating Systems (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention relates to the technical field of disinfection cabinets, and particularly discloses a heating device and a disinfection cabinet with the heating device. The heating device comprises an air channel arranged in the cavity, wherein one end of the air channel is provided with an air inlet, the other end of the air channel is provided with an air outlet, and a heating element is wrapped on the outer wall of the air channel between the air inlet and the air outlet. The disinfection cabinet comprises the heating device. The heating device and the disinfection cabinet with the heating device have the advantages of small size, light weight, high heating efficiency, high and uniform heating temperature, convenience in maintenance and the like.
Description
Technical Field
The invention relates to the technical field of disinfection cabinets, in particular to a heating device and a disinfection cabinet with the heating device.
Background
Along with the improvement of the daily living standard of people in the society, the disinfection of tableware such as bowls and chopsticks in families is gradually popularized, and a disinfection cabinet as a household appliance also gradually enters a common family. At present, three heating modes of the disinfection cabinet mainly comprise a heating wire heating pipe, a light wave pipe heating device, a PTC heating device, a heating pipe temperature control device and a heating pipe temperature control device, wherein the heating pipe is large and heavy in size, low in indirect heating heat efficiency, easy to oxidize and brittle fracture of a heating wire, short in service life, inconvenient to install, short in service life, easy to damage, high in temperature of a place where the light wave pipe irradiates, large in temperature reduction gradient, and the heating pipe temperature control device is large and heavy in size, low in indirect heating heat efficiency, short in service life and high in use cost, and the heating temperature is below 300 ℃.
Therefore, a new heating device is required to solve the above problems.
Disclosure of Invention
The invention aims to provide a heating device and a disinfection cabinet with the heating device, which have the advantages of small size, light weight, high heating efficiency, high and uniform heating temperature, convenient maintenance and the like.
To achieve the purpose, the invention adopts the following technical scheme:
The heating device comprises an air channel arranged in a cavity, wherein one end of the air channel is provided with an air inlet, the other end of the air channel is provided with an air outlet, and a heating element is wrapped on the outer wall of the air channel between the air inlet and the air outlet.
As a preferred embodiment, the heating element is a heating film.
As a preferable technical scheme, a pad conductor layer for connecting wires is arranged on the heating film.
As a preferable technical scheme, the side wall of one end of the air duct is provided with a plurality of air inlets along the circumferential direction, the other end of the air duct is provided with air outlet parts corresponding to the air inlets respectively, each air outlet part is communicated with the air duct respectively, and each air outlet part is provided with an air outlet respectively.
As the preferable technical scheme, the longitudinal section of the air duct is square, and the end part of the air duct, which is provided with one end of the air inlet, is closed.
As the preferable technical scheme, air inlets are respectively formed in two opposite side walls at one end of the air duct, two air outlet parts which are respectively bent towards the two opposite side walls of the air duct are arranged at the other end of the air duct, and the two air outlet parts and the air duct form a Y shape.
As the preferable technical scheme, a fan for stirring cold air to enter the air duct for heating is arranged in the air duct.
As the preferable technical scheme, the fan comprises a motor and an impeller connected with an output shaft of the motor, wherein the impeller is arranged between the air inlet and the heating element, the impeller faces the air outlet part, and the motor is fixedly connected to the air duct.
A disinfection cabinet comprising a heating device as claimed in any one of the preceding claims.
The heating device has the advantages that the heating element is wrapped on the outer wall of the air duct between the air inlet and the air outlet, the heating area of cold air is enlarged, the heating speed of the cold air is improved, the heating efficiency is high, the cold air can be heated to a higher temperature, and compared with the heating mode in the prior art, the heating device has the advantages of low use cost, simple structure, easiness in maintenance, small size, light weight, convenience in installation and the like.
Drawings
FIG. 1 is a schematic view of a heating device according to an embodiment of the present invention installed in a chamber of a sterilizer;
FIG. 2 is a schematic view of a heating device according to an embodiment of the present invention;
fig. 3 is a schematic view of a fan according to an embodiment of the invention.
In the figure:
1. A chamber;
2. the air duct, the heating element, the 211, the bonding pad conductor layer, the 22, the air inlet, the 23, the air outlet part, the 231 and the air outlet;
3. 31 parts of fan, 32 parts of motor and 32 parts of impeller.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present invention are shown.
As shown in fig. 1-3, the present embodiment provides a heating device that is applied to a sterilizer, but also to a dishwasher or other home appliance having a heating function. The heating device has the advantages of small size, light weight, high heating speed for cold air, high heating efficiency, high and uniform heating temperature, convenience in maintenance and the like.
The heating device comprises an air channel 2 arranged in the cavity 1, one end of the air channel 2 is provided with an air inlet 22, the other end of the air channel 2 is provided with an air outlet 231, and a heating element 21 is wrapped on the outer wall of the air channel 2 between the air inlet 22 and the air outlet 231.
As shown in fig. 1 and 2, in this embodiment, the air duct 2 is fixedly connected to the inner side wall of the chamber 1, the longitudinal section of the air duct 2 is square, one side wall of the air duct 2 is attached to the inner side wall of the chamber 1, one end of the air duct 2 is provided with an air inlet 22, the air inlets 22 are provided on the other two opposite side walls of the air duct 2, and the positions of the two air inlets 22 are corresponding. The other end of the air duct 2 is provided with two air outlet parts 23, the two air outlet parts 23 divide and exhaust the air in the air duct 2, one ends of the two air outlet parts 23 are respectively communicated with the air duct 2, the other ends of the two air outlet parts 23 are respectively bent at a certain angle towards two opposite side walls on the air duct 2, the end parts of the two air outlet parts are provided with air outlets 231, and the two air outlet parts 23 and the air duct 2 form Y-shaped air outlets. According to the invention, the air inlet 22 and the Y-shaped air outlet are matched to form air convection, so that the circulation speed of air is increased, and the heating efficiency of air is improved.
In the invention, an air inlet 22 can be formed on the side wall of the air duct 2 opposite to the inner side wall of the chamber 1, an air outlet portion 23 corresponding to the air inlet 22 is arranged at the other end of the air duct 2, and three air outlet portions 23 form a claw shape.
The longitudinal section of the air duct 2 is not limited to a square shape, but may be a circle, a triangle, or a polygon with more than four sides, and the air duct 2 is provided with a plurality of air inlets 22 along the circumferential direction, each air inlet 22 corresponds to an air outlet 23, so that the discharged air is split, and the circulation speed of the air is increased.
As shown in fig. 2, the air inlet 22 is in a discontinuous annular shape, and the center of the annular shape is circular, so that the shape can split the entering cold air, and the cold air entering the air duct 2 can be heated uniformly. In addition, the air inlet 22 may have other shapes, which will not be described in detail herein.
The air inlet 22 with the outer wall parcel heating element 21 of the wind channel 2 between the portion of giving vent to anger 23, in this embodiment, heating element 21 is the heating film, the heating film can buckle into various structures along with the shape of wind channel 2, and use the flexibility strong, and use the heating film to replace traditional heating structure, simplified heating device's structure, be convenient for maintain and install, the heating film is small and exquisite frivolous, use cost is low and longe-lived. The heating film is wrapped on the outer wall of the air duct 2, so that the heated area of air is increased, the heating speed is high, and the air can reach a high working temperature.
The heating film is provided with a bonding pad conductor layer 211 for connecting wires, and the bonding pad conductor layer is used for electrifying the heating film and enabling the heating film to work. The heating film is matched with the air inlet 22 and the Y-shaped air outlet, so that the heating efficiency of the whole heating device is improved, the air circulation is quick, the heat dissipation is quick, the performance is stable, and the heating device can heat the air to 450 ℃.
As shown in fig. 2 and 3, the end of the air duct 2, which is provided with the air inlet 22, is closed, and a fan 3 is arranged in the air duct 2 between the air inlet 22 and the heating element 21, and the fan 3 is used for stirring cold air into the heating area of the air duct 2 and accelerating the flow of the air. In this embodiment, the fan 3 includes a motor 31 and an impeller 32 connected to an output shaft of the motor 31, the motor 31 is fixedly connected to a side wall of an end portion of the air duct 2, where the air inlet 22 is opened, the output shaft of the motor 31 passes through the side wall and is disposed in the air duct 2, and the end portion of the motor is connected to the impeller 32, the impeller 32 faces the air outlet portion 23, so that cold air entering from the air inlet 22 is stirred to flow into the air duct 2 for heating and discharging, and further heating efficiency of the heating device is improved. In this embodiment, the impeller 32 includes four blades, each of which is composed of a horizontal plate and a vertical plate vertically connected to the horizontal plate, and the impeller 32 is provided with the vertical plate to accelerate the air flow. In addition, the fan 3 and the impeller 32 are not limited to the above-mentioned structure, but may be other structures capable of stirring the cold air flowing into the air duct 2, and will not be described in detail herein.
The embodiment also provides a disinfection cabinet, which comprises the heating device. The heating device is arranged in the chamber 1 of the disinfection cabinet, cold air enters the air duct 2 from the air inlet 22 of the air duct 2, the cold air is stirred by the fan 3, so that the cold air enters the heating area, the heating film heats the cold air, the heating film is arranged on the side wall of the air duct 2, the cold air can be fully contacted with the inner side wall of the air duct 2, the heating efficiency is improved, the heated air enters the airtight space of the chamber 1 through the Y-shaped air outlet, the temperature in the chamber 1 is improved, the air with reduced temperature enters the air duct 2 from the air inlet 22 again for heating, and the reciprocating circulation is realized, so that the space temperature in the chamber 1 is improved. Compared with the disinfection cabinet in the prior art, the disinfection cabinet adopting the heating device has the advantages of low use cost, simple structure, easy maintenance, small size, light weight, convenient installation, long service life, high working temperature of the disinfection cabinet and the like.
The heating device not only can be applied to a disinfection cabinet, but also can be applied to other household appliances with heating disinfection functions such as a dish washer and the like, and is within the protection scope of the invention.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (6)
1. The heating device comprises an air duct (2) arranged in a cavity (1), wherein one end of the air duct (2) is provided with an air inlet (22), and the other end of the air duct is provided with an air outlet (231), and the heating device is characterized in that a heating element (21) is wrapped on the outer wall of the air duct (2) between the air inlet (22) and the air outlet (231);
A plurality of air inlets (22) are formed in the side wall of one end of the air duct (2) along the circumferential direction, each air inlet (22) is in a discontinuous annular shape, the center of the annular shape is circular, an air outlet part (23) corresponding to each air inlet (22) is formed in the other end of the air duct, each air outlet part (23) is communicated with the air duct (2) respectively, and each air outlet part (23) is provided with an air outlet (231) respectively;
Each air inlet (22) is matched with a corresponding air outlet part (23) to form air convection;
Each air inlet (22) and each air outlet (23) face the inside of the chamber (1);
a fan (3) for stirring cold air into the air duct (2) to heat is arranged in the air duct (2);
The fan (3) comprises a motor (31) and an impeller (32) connected with an output shaft of the motor (31), the impeller (32) is arranged between the air inlet (22) and the heating element (21), the impeller (32) faces the air outlet part (23), and the motor (31) is fixedly connected to the air duct (2);
the impeller (32) comprises four fan blades, each fan blade is composed of a horizontal plate and a vertical plate vertically connected with the horizontal plate, and therefore the flow speed of air is increased.
2. A heating device according to claim 1, characterized in that the heating element (21) is a heating film.
3. A heating arrangement according to claim 2, characterized in that the heating film is provided with a pad conductor layer (211) for access to electrical wires.
4. A heating device according to claim 1, wherein the longitudinal section of the air duct (2) is square, and the end of the air duct (2) at the end where the air inlet (22) is provided is closed.
5. The heating device according to claim 4, wherein air inlets (22) are respectively formed in two opposite side walls at one end of the air duct (2), two air outlet portions (23) which are respectively bent towards two opposite side walls of the air duct (2) are arranged at the other end of the air duct (2), and the two air outlet portions (23) and the air duct (2) form a Y shape.
6. A disinfection cabinet comprising a heating device as claimed in any one of claims 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711481466.8A CN109990461B (en) | 2017-12-30 | 2017-12-30 | Heating device and disinfection cabinet having the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711481466.8A CN109990461B (en) | 2017-12-30 | 2017-12-30 | Heating device and disinfection cabinet having the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109990461A CN109990461A (en) | 2019-07-09 |
| CN109990461B true CN109990461B (en) | 2024-12-06 |
Family
ID=67109112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711481466.8A Active CN109990461B (en) | 2017-12-30 | 2017-12-30 | Heating device and disinfection cabinet having the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109990461B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2461546Y (en) * | 2000-12-05 | 2001-11-28 | 深圳市精锐实业有限公司 | Horizontal drying sterilizing cabinet |
| CN101956720A (en) * | 2009-07-17 | 2011-01-26 | 乐金电子(天津)电器有限公司 | Agitating fan for microwave oven |
| CN105392219A (en) * | 2015-11-27 | 2016-03-09 | 江苏源之翼电气有限公司 | Highly efficient electrothermal film heating pipe |
| CN106237357A (en) * | 2015-06-05 | 2016-12-21 | 博西华电器（江苏）有限公司 | Disinfection cabinet |
| CN207936487U (en) * | 2017-12-30 | 2018-10-02 | 青岛海尔智慧厨房电器有限公司 | Heating device and disinfection cabinet with same |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB695474A (en) * | 1950-09-21 | 1953-08-12 | John James Dangerfield | Improved sterilising cabinet |
| CN2596987Y (en) * | 2003-01-17 | 2004-01-07 | 宁波方太厨具有限公司 | A disinfection cabinet with a circulating air duct |
| CN2843455Y (en) * | 2005-10-28 | 2006-12-06 | 品格卫厨（浙江）有限公司 | Lining structure of tableware disinfecting cabinet |
| CN2853071Y (en) * | 2005-12-06 | 2007-01-03 | 陕西雪莲环保科技开发有限公司 | Storaging sterilization cabinet with electric heating pipe |
| CN203001500U (en) * | 2012-11-26 | 2013-06-19 | 高雪歧 | Drying cabinet for sterilization |
| CN203370135U (en) * | 2013-07-23 | 2014-01-01 | 余光成 | Disinfection cabinet with combination of blower and heating pipe |
| CN105688234A (en) * | 2014-11-27 | 2016-06-22 | 宁波市镇海米丰节能环保科技有限公司 | Disinfection cabinet |
| CN105106987B (en) * | 2015-07-27 | 2017-12-01 | 重庆妙坤生物科技有限责任公司 | A kind of high temperature and ultraviolet-ray sterilizing cabinet |
| CN106693004A (en) * | 2015-11-13 | 2017-05-24 | 岑利娜 | Dual-purpose household disinfection cabinet |
| WO2017114335A1 (en) * | 2015-12-29 | 2017-07-06 | 淄博环能海臣环保技术服务有限公司 | Composite electrothermal film heat-tracing insulating plastic pipe |
| CN106924769A (en) * | 2015-12-30 | 2017-07-07 | 博西华电器（江苏）有限公司 | Disinfection cabinet |
-
2017
- 2017-12-30 CN CN201711481466.8A patent/CN109990461B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2461546Y (en) * | 2000-12-05 | 2001-11-28 | 深圳市精锐实业有限公司 | Horizontal drying sterilizing cabinet |
| CN101956720A (en) * | 2009-07-17 | 2011-01-26 | 乐金电子(天津)电器有限公司 | Agitating fan for microwave oven |
| CN106237357A (en) * | 2015-06-05 | 2016-12-21 | 博西华电器（江苏）有限公司 | Disinfection cabinet |
| CN105392219A (en) * | 2015-11-27 | 2016-03-09 | 江苏源之翼电气有限公司 | Highly efficient electrothermal film heating pipe |
| CN207936487U (en) * | 2017-12-30 | 2018-10-02 | 青岛海尔智慧厨房电器有限公司 | Heating device and disinfection cabinet with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109990461A (en) | 2019-07-09 |
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