CN113279225A - Quick-drying clothes hanger based on microwave lossy transmission line - Google Patents
Quick-drying clothes hanger based on microwave lossy transmission line Download PDFInfo
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- CN113279225A CN113279225A CN202110492242.7A CN202110492242A CN113279225A CN 113279225 A CN113279225 A CN 113279225A CN 202110492242 A CN202110492242 A CN 202110492242A CN 113279225 A CN113279225 A CN 113279225A
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- clothes
- microwave
- transmission line
- temperature
- control unit
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 27
- 238000001035 drying Methods 0.000 title claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 37
- 238000009423 ventilation Methods 0.000 claims description 10
- 230000003993 interaction Effects 0.000 claims description 6
- 238000013021 overheating Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/10—Drying cabinets or drying chambers having heating or ventilating means
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/26—Heating arrangements, e.g. gas heating equipment
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/32—Control of operations performed in domestic laundry dryers
- D06F58/34—Control of operations performed in domestic laundry dryers characterised by the purpose or target of the control
- D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
- D06F58/38—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of drying, e.g. to achieve the target humidity
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/02—Characteristics of laundry or load
- D06F2103/08—Humidity
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/02—Characteristics of laundry or load
- D06F2103/12—Temperature
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/28—Electric heating
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Drying Of Solid Materials (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention discloses a quick-drying clothes hanger based on a microwave lossy transmission line, which comprises a shielding case, a power supply, a microwave source, a control unit, clothes, a metal wire, a fixed medium and a temperature and humidity sensor, wherein the microwave source is respectively connected with the power supply, the control unit and the shielding case, the control unit is connected with the shielding case, the clothes, the metal wire, the fixed medium and the temperature and humidity sensor are arranged in the shielding case, and the temperature and humidity sensor is arranged on the fixed medium and can be in direct contact with the clothes. The metal wire, the fixed medium, the clothes and the shielding case together form a flat plate type microwave consumable transmission line, microwave energy is transmitted on the transmission line to be consumed, water molecules in the clothes absorb energy and then vibrate, heat and volatilize, heating of an object is achieved, and the floor can move.
Description
Technical Field
The invention relates to the technical field of microwave application, in particular to a quick-drying clothes hanger based on a microwave lossy transmission line.
Background
With the increase of urbanization process, some houses cannot be aired in time due to the fact that the houses are shaded by other high-rise buildings due to sun-back or sunlight, and uncontrollable factors such as weather and the like, or the airing speed is too low, and specific clothes need to be used urgently, so the clothes dryer is widely used at present. At present, most of the mainstream dryers in the market adopt a resistance wire heating, ventilating and drying principle to achieve the purpose of uniform evaporation. The disadvantage of this principle is that the drying rate and efficiency are not high, the clothes become wrinkled after drying, and the expensive clothes which can not be wrinkled are not good choice.
Other microwave clothes dryers based on microwave heating all generate microwaves based on a magnetron, and achieve the heating purpose by feeding the microwaves into a resonant cavity through an antenna, but equipment designed based on the principle is large in size and heavy and is not suitable for being used in ordinary families, the resonant frequency of a cavity is greatly influenced by the change of the dielectric constant of a medium to be heated in the cavity, the shape of the medium to be heated in the cavity, the processing error of the cavity and the like, the deviation of the working resonant frequency and the designed resonant frequency is large, the actual feeding efficiency of microwave power is influenced, and the actual heating effect is not ideal.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the quick-drying clothes hanger which is high in conversion efficiency, wide in frequency adaptability and capable of meeting the requirement of volume diversity change based on a microwave lossy transmission line. The technical scheme of the invention is as follows:
a quick-drying clothes hanger based on microwave lossy transmission lines comprises: shield cover, shield cover ventilation hole, power, microwave source, the control unit, clothing, metal wire, fixed medium, temperature and humidity sensor, power, the control unit and metal wire are connected respectively to the microwave source, clothing, metal wire, fixed medium, temperature and humidity sensor set up in the shield cover, temperature and humidity sensor installs the position that can directly contact with the clothing on fixed medium, the shield cover ventilation hole sets up on the shield cover.
Furthermore, the shielding cover is arranged on the outermost layer of the quick drying clothes rack, and a plurality of shielding cover ventilation holes are formed in the shielding cover.
Further, the length and width of the shield vent is less than a quarter wavelength of the operating frequency.
Further, the fixing medium wraps the metal wire, and the loss tangent thereof is less than 0.02.
Furthermore, the working frequency of the metal wire is the same as that of the microwave source, and the electromagnetic waves are transmitted on the metal wire and are lost by moisture in clothes, so that the temperature is increased and the electromagnetic waves are volatilized.
Further, the metal lines may be shaped in a "one-line" type, "T" type, "pi" type, or "mouth" type for different applications.
Furthermore, the temperature and humidity sensor detects the temperature and humidity of the clothes, and when the temperature of the clothes reaches a set safety threshold, the feed-in power of the microwave source is adjusted, so that the clothes cannot be damaged due to overheating; when the humidity of the clothes is detected to be reduced to the set threshold value, the clothes rack stops working and informs a user.
Further, the control unit may include one or more of a microwave source control unit, a power supply control unit, a man-machine interaction control unit, and an internet interaction control unit.
The invention has the following beneficial effects:
(1) the metal wire, the fixed medium, the clothes and the shielding case together form a flat plate type microwave consumable transmission line, microwave energy is transmitted on the transmission line to be consumed, water molecules in the clothes absorb energy and then vibrate, heat and volatilize, heating of an object is achieved, and the floor can move.
(2) The shielding case of the present invention can prevent electromagnetic wave leakage while acting as a transmission line metal ground.
(3) The vent hole of the shielding cover is positioned on the shielding cover, and the length and the width of the mesh hole of the vent hole are smaller than a quarter of the wavelength of the working frequency, so that the electromagnetic wave leakage is prevented.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a system block diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a quick drying clothes rack based on a microwave consumable transmission line according to the invention;
FIG. 3 is a structure diagram of metal wires in the quick drying clothes rack based on microwave consumable transmission lines;
FIG. 4 is a metal wire electric field distribution diagram in the microwave-based lossy transmission line-based quick-drying clothes hanger of the present invention;
fig. 5 is a parameter diagram of a metal wire S11 in the quick drying clothes rack based on the microwave lossy transmission line.
Detailed Description
In one embodiment shown in fig. 1 and 2, the microwave-based lossy transmission line-based quick-drying clothes hanger comprises a shielding case 1, shielding case vent holes 2, a power supply 3, a microwave source 4, a control unit 5, clothes 6, a metal wire 7, a fixed medium 8 and a temperature and humidity sensor 9, wherein the microwave source 4 is respectively connected with the power supply 3, the control unit 5 and the metal wire 7, the clothes 6, the metal wire 7, the fixed medium 8 and the temperature and humidity sensor 9 are arranged in the shielding case 1, and the temperature and humidity sensor 9 is arranged on the fixed medium 8 at a position where the temperature and humidity sensor can be directly contacted with the clothes 6. The metal wire 7, the fixed medium 8, the wet clothes 6 and the shielding case 1 together form a microwave consumable transmission line, energy is mainly consumed by the wet clothes while being transmitted on the transmission line, and water molecules in the wet clothes are used as polar molecules and rub and vibrate back and forth along with an electromagnetic field, so that the heating and drying effects are achieved.
The shielding cover 1 is located on the outermost layer of the quick drying clothes rack, and a plurality of shielding cover ventilation holes 2 are formed in the shielding cover 1 and play a role in shielding electromagnetic waves.
The temperature and humidity sensor 9 detects the temperature and humidity of the clothes, and adjusts the feed-in power of the microwave source 4 when the temperature of the clothes reaches a set safety threshold value, so that the clothes 6 cannot be damaged due to overheating; when it is detected that the humidity of the laundry 6 has decreased to the set threshold value, the hanger stops working and notifies the user.
The control unit 5 may include one or more of a microwave source control unit, a power supply control unit, a man-machine interaction control unit, and an internet interaction control unit.
The operating frequency of the microwave source 4 may vary.
The operating phase of the microwave source 4 can be varied.
The operating power of the microwave source 4 may vary.
The operation mode of the microwave source 4 can be continuous wave or discontinuous wave, and when the operation mode of the microwave source 4 is discontinuous wave, the duty cycle and the period of the discontinuous wave can be changed.
The control unit 5 is connected with the microwave source 4 and the temperature and humidity sensor 9, reads real-time temperature and humidity data of clothes, and controls the output power of the microwave source according to the temperature and humidity data to form negative feedback.
As shown in fig. 3, the fixing medium 8 wraps the metal wire 7, water molecules, oxygen and the like are isolated, corrosion due to rusting is prevented, and the loss tangent of the fixing medium 8 is less than 0.02.
As shown in the electric field pattern around the metal line 7 in fig. 4, the electromagnetic wave propagates on the metal line 7 as a row standing wave.
As shown in the S11 parameter diagram of the metal wire in FIG. 5, the resonant frequency of the metal wire is around 2.45GHz, and the reflection coefficient of the metal wire is less than-20 dB at 2.45 GHz.
The following is explained in more detail:
the shielding cover is spliced in a metal zipper mode, a plurality of metal mesh ventilation holes are designed at the top and the bottom, the length and the width of meshes of the metal mesh ventilation holes are smaller than a quarter of the wavelength of working frequency, and the metal mesh ventilation holes are beneficial to timely discharging humid air and preventing electromagnetic wave leakage.
In the present embodiment, the microwave source and the microwave lossy transmission line operate at 2.45GHz, and water molecules in the clothes reciprocate 2450000000 times per second along with the electromagnetic waves, so that a large amount of heat is generated.
In the embodiment, the fixing medium is PPS high-temperature-resistant cheap plastic, the dielectric constant of the PPS high-temperature-resistant cheap plastic is 4.1, and the loss tangent of the PPS high-temperature-resistant cheap plastic is 0.0004 which is far smaller than that of wet clothes. The microwave source is arranged in the middle of the fixed medium, the lower part of the microwave source is in an inverted T shape, and the upper part of the microwave source extends out of the shielding case and is in a hook shape, so that the microwave source is convenient for a user to hang. The microwave source, the control unit and the metal wire are arranged in the fixing medium, the direct current power line is led out of the fixing medium, the temperature and humidity sensor is arranged on the surface of two walls of the inverted T-shaped fixing medium, clothes temperature and humidity data are collected and transmitted to the control unit for analysis and processing, when the temperature and humidity reach a certain threshold value, drying completion can be judged, work is stopped, information is uploaded to the client side, and the client side can issue a work stop instruction at any time.
It will be appreciated by those of ordinary skill in the art that the embodiments described herein are intended to assist the reader in understanding the principles of the invention and are to be construed as being without limitation to such specifically recited embodiments and examples. Those skilled in the art, having the benefit of this disclosure, may effect numerous modifications thereto and changes may be made without departing from the scope of the invention in its broader aspects.
Claims (8)
1. A quick-drying clothes hanger based on microwave lossy transmission lines comprises: shield cover, shield cover ventilation hole, power, microwave source, the control unit, clothing, metal wire, fixed medium, temperature and humidity sensor, its characterized in that:
the microwave source is connected power, the control unit and the metal wire respectively, clothing, metal wire, fixed medium, temperature and humidity sensor set up in the shield cover, temperature and humidity sensor installs the position that can directly contact with the clothing on the fixed medium, the shield cover ventilation hole sets up on the shield cover.
2. The microwave lossy transmission line-based quick drying hanger of claim 1, wherein: the shielding cover is positioned on the outermost layer of the quick drying clothes rack, and a plurality of shielding cover ventilation holes are formed in the shielding cover.
3. The microwave lossy transmission line-based quick drying hanger of claim 1, wherein: the length and width of the shield vent is less than a quarter of the operating frequency wavelength.
4. The microwave lossy transmission line-based quick drying hanger of claim 1, wherein: the fixing medium wraps the metal wire, and the loss tangent of the fixing medium is less than 0.02.
5. The microwave lossy transmission line-based quick drying hanger of claim 1, wherein: the working frequency of the metal wire is the same as that of the microwave source, and the electromagnetic waves are transmitted on the metal wire and are simultaneously lost by moisture in clothes, so that the temperature is increased and the electromagnetic waves are volatilized.
6. The microwave lossy transmission line-based quick drying hanger of claim 1, wherein: for different applications, the metal wire may be in the shape of a "straight" type, "T" type, "pi" type, "mouth" type.
7. The microwave lossy transmission line-based quick drying hanger of claim 1, wherein: the temperature and humidity sensor detects the temperature and the humidity of the clothes, and adjusts the feed-in power of the microwave source when the temperature of the clothes reaches a set safety threshold value, so that the clothes cannot be damaged due to overheating; when the humidity of the clothes is detected to be reduced to the set threshold value, the clothes rack stops working and informs a user.
8. The quick drying clothes rack based on the microwave lossy transmission line according to claim 1, characterized in that: the control unit can comprise one or more of a microwave source control unit, a power supply control unit, a man-machine interaction control unit and an internet interaction control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110492242.7A CN113279225A (en) | 2021-05-06 | 2021-05-06 | Quick-drying clothes hanger based on microwave lossy transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110492242.7A CN113279225A (en) | 2021-05-06 | 2021-05-06 | Quick-drying clothes hanger based on microwave lossy transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113279225A true CN113279225A (en) | 2021-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110492242.7A Pending CN113279225A (en) | 2021-05-06 | 2021-05-06 | Quick-drying clothes hanger based on microwave lossy transmission line |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005059230A1 (en) * | 2003-12-15 | 2005-06-30 | Arcelik Anonim Sirketi | A washer/dryer |
| CN1847512A (en) * | 2005-04-15 | 2006-10-18 | 北京润泽东方环保科技有限公司 | Fast clothes drying and sterilizing microwave apparatus |
| WO2013151214A1 (en) * | 2012-04-04 | 2013-10-10 | 주식회사 에코에너지 기술연구소 | Dryer |
| CN203741622U (en) * | 2013-12-24 | 2014-07-30 | 海尔集团公司 | Radio frequency clothes dryer |
| CN110552181A (en) * | 2018-05-31 | 2019-12-10 | 青岛海尔洗衣机有限公司 | Clothes dryer and control method |
| CN110621096A (en) * | 2019-09-02 | 2019-12-27 | 成都亚彦科技有限公司 | Microwave heating device and system |
| CN212815929U (en) * | 2020-05-29 | 2021-03-30 | 成都亚彦科技有限公司 | Baking oven |
-
2021
- 2021-05-06 CN CN202110492242.7A patent/CN113279225A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005059230A1 (en) * | 2003-12-15 | 2005-06-30 | Arcelik Anonim Sirketi | A washer/dryer |
| CN1847512A (en) * | 2005-04-15 | 2006-10-18 | 北京润泽东方环保科技有限公司 | Fast clothes drying and sterilizing microwave apparatus |
| WO2013151214A1 (en) * | 2012-04-04 | 2013-10-10 | 주식회사 에코에너지 기술연구소 | Dryer |
| CN203741622U (en) * | 2013-12-24 | 2014-07-30 | 海尔集团公司 | Radio frequency clothes dryer |
| CN110552181A (en) * | 2018-05-31 | 2019-12-10 | 青岛海尔洗衣机有限公司 | Clothes dryer and control method |
| CN110621096A (en) * | 2019-09-02 | 2019-12-27 | 成都亚彦科技有限公司 | Microwave heating device and system |
| CN212815929U (en) * | 2020-05-29 | 2021-03-30 | 成都亚彦科技有限公司 | Baking oven |
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Application publication date: 20210820 |
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| RJ01 | Rejection of invention patent application after publication |