CN110849030A - Special refrigerating piece for dehumidifier and dehumidifier - Google Patents
Special refrigerating piece for dehumidifier and dehumidifier Download PDFInfo
- Publication number
- CN110849030A CN110849030A CN201911253990.9A CN201911253990A CN110849030A CN 110849030 A CN110849030 A CN 110849030A CN 201911253990 A CN201911253990 A CN 201911253990A CN 110849030 A CN110849030 A CN 110849030A
- Authority
- CN
- China
- Prior art keywords
- dehumidifier
- plate
- porcelain plate
- porcelain
- refrigerating
- 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.)
- Pending
Links
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000004065 semiconductor Substances 0.000 claims abstract description 27
- 238000005057 refrigeration Methods 0.000 claims abstract description 22
- 239000000919 ceramic Substances 0.000 claims abstract description 15
- 239000013078 crystal Substances 0.000 claims abstract description 10
- 229920001971 elastomer Polymers 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000007791 dehumidification Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 230000005679 Peltier effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
- F24F2003/1446—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only by condensing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Drying Of Gases (AREA)
Abstract
The invention relates to the technical field of refrigeration parts and dehumidifiers. The name is special refrigerating part for dehumidifier and dehumidifier. The special refrigerating element of dehumidifier, it includes two ceramic plates and semiconductor crystal grain of clamp setting between two ceramic plates, characterized by: a drain groove from left to right is arranged under the porcelain plate, the porcelain plate is a first porcelain plate, an opening is arranged on the drain groove, the drain groove is in a low state on the right side, a water outlet is arranged on the right side of the drain groove, an extending part which exceeds the semiconductor crystal grain is arranged under the first porcelain plate, and the drain groove is arranged on the extending part; the dehumidifier comprises a shell, wherein a refrigerating piece is arranged in a channel; the refrigerating part is the refrigerating part with the structure, the refrigerating part is arranged on the dehumidifier, and the dehumidifier has the advantages of more convenient drainage and use.
Description
Technical Field
The invention relates to the technical field of refrigeration parts and dehumidifiers.
Background
The refrigerating element is a semiconductor refrigerating element and comprises two porcelain plates and a semiconductor crystal grain clamped between the two porcelain plates, the refrigerating element is manufactured based on the Peltier principle, the principle is firstly discovered by J.A.C Peltier in 1834, namely, when a circuit consisting of two different N-type semiconductors and P-type semiconductors is electrified with direct current, heat is released at one semiconductor (a hot side), heat is absorbed at the other semiconductor (a cold side), and when the current direction is changed, joints for releasing heat and absorbing heat are changed; and the phenomenon caused by the peltier effect is reversible, i.e. when there is a temperature difference between the two semiconductors, it can generate an electric potential (capable of generating an electric current); the semiconductor refrigeration piece can be widely applied to refrigeration, thermoelectric generation, heating and the like, and the refrigeration piece can also be applied to dehumidification equipment, for example, a dehumidifier can be manufactured by using the semiconductor refrigeration piece.
The application of the semiconductor refrigeration part in the dehumidifier is as follows: the dehumidifier comprises a shell, wherein an inlet of air to be dehumidified and an outlet of the dehumidified air are arranged on the shell, an air channel for connecting the inlet and the outlet is also arranged in the shell, and a semiconductor refrigerating piece is arranged in the air channel; the semiconductor refrigerating element comprises two porcelain plates, and a semiconductor crystal grain is arranged between the two porcelain plates, and the semiconductor refrigerating element is manufactured by using the Peltier effect; when the direct current is switched on, the temperature of the porcelain plate on one side of the semiconductor refrigeration piece rises, the porcelain plate on the other side is called a high-temperature porcelain plate, the porcelain plate on the other side is called a low-temperature porcelain plate, the temperature of air also drops when the air passes through the low-temperature porcelain plate, and due to the temperature drop, partial water is condensed in the low-temperature porcelain plate from the air in the saturated state of water vapor originally, the water in the partial air is reduced, and the dehumidification effect is achieved.
In the prior art, the porcelain plate of the refrigeration piece is not provided with condensed water, so that the defect of unsmooth drainage is caused, and the use effect of the refrigeration piece on a dehumidifier is influenced.
Disclosure of Invention
The invention aims to solve the defects and provides a special refrigerating piece for a dehumidifier and the dehumidifier, which are more convenient to drain and use.
The technical scheme of the special refrigerating piece for the dehumidifier is realized as follows: the utility model provides a special refrigeration piece of dehumidifier, it includes two ceramic plates and presss from both sides the semiconductor crystalline grain of establishing between two ceramic plates, characterized by: the ceramic plate below have one from a left side to the water drainage tank of right side, this ceramic plate is first ceramic plate, water drainage tank on have an opening, water drainage tank present the state that the right side is low, water drainage tank right side has the delivery port.
Further, the lower side of the first porcelain plate has an extension portion beyond the semiconductor die mounted thereon, and the drain groove is on the extension portion.
Furthermore, the extension part is provided with a groove, the drainage groove is made of aluminum plates or plastics and is bonded at the groove, and the inner side of the drainage groove is not higher than the outer side of the first porcelain plate.
Furthermore, the first porcelain plate is provided with a plurality of grooves from top to bottom.
Furthermore, the water outlet is also connected with a pipeline.
The technical scheme of the dehumidifier is realized as follows: the dehumidifier comprises a shell, wherein the shell is provided with an inlet for dehumidifying air and an outlet for the dehumidified air, the shell is also provided with an air channel for connecting the inlet and the outlet, and a refrigerating element is arranged in the air channel; the refrigerating element comprises two porcelain plates, a semiconductor crystal grain is arranged between the two porcelain plates, when direct current is switched on, the temperature of the porcelain plate on one side of the refrigerating element rises, the porcelain plate on the one side is called a high-temperature porcelain plate, the temperature of the porcelain plate on the other side falls, and the porcelain plate on the one side is called a low-temperature porcelain plate; the method is characterized in that: the refrigerating element is the refrigerating element with the structure.
Preferably, the refrigeration piece install on a welt, connect the air duct side with the rubber strip around the welt, the welt on still install the vibrating motor who connects the power.
Preferably, the refrigerating elements are provided in a plurality of blocks, each refrigerating element is provided with a pipeline, the upper end of the pipeline is connected with the water outlet, and the other end of the pipeline is connected with the water collecting tank.
Further, the air passage has a structure in which a cross-sectional area near the inlet is larger than that at the outlet, and the cooling member is disposed around the air passage.
The invention has the beneficial effects that: the refrigeration part is arranged on the dehumidifier, and the dehumidifier has the advantages of more convenient drainage and use.
Drawings
Fig. 1 is a schematic view of the structure of the refrigerant of the present invention.
Fig. 2 is a cross-sectional view taken along a line a-a in fig. 1.
Fig. 3 is a cross-sectional view taken along line B-B in fig. 1.
Fig. 4 is a schematic structural view of a longitudinal section of the dehumidifier of the present invention.
Fig. 5 is a cross-sectional view taken along line C-C in fig. 4.
FIG. 6 is a schematic view showing the connection of the refrigerant, the piping, and the moisture collecting groove.
Wherein: 1. porcelain plate 101, first porcelain plate 102, extension 105, recess 106, drain groove inside 107, first porcelain plate outside 108, groove 109, pipe 2, semiconductor die 3, drain groove 301, opening 302, water outlet 4, housing 41, inlet 42, outlet 43, air channel 44, cooling element 45, backing plate 46, rubber strip 47, vibration motor 48, moisture collection trough.
Detailed Description
The invention is further illustrated by the following figures and examples.
As shown in fig. 1, 2 and 3, a special refrigerating element for a dehumidifier comprises two porcelain plates 1 and a semiconductor crystal grain 2 clamped between the two porcelain plates, and is characterized in that: there is one from left to right drain duct 3 below the ceramic plate, this ceramic plate is first ceramic plate 101, drain duct above have opening 301, the drain duct state that the right side is low that appears, the drain duct right side has delivery port 302.
The refrigeration piece is arranged in such a way that the water drainage groove can receive the condensed water on the low-temperature porcelain plate, the requirement of timely drainage is met, and the downward flow of the water is avoided.
Further, the first porcelain plate has an extension 102 below it beyond the mounted semiconductor die, and the drain grooves are in the extension.
Therefore, the forming of the refrigerating piece is facilitated, and the production cost is lower.
Of course, the other side of the drainage channel contacting the porcelain plate is also provided with the crystal grains.
Further, the extension part is provided with a groove 105, the drainage channel is made of aluminum plate or plastic and is bonded at the groove, and the inner side 106 of the drainage channel is not higher than the outer side 107 of the first porcelain plate. The arrangement can realize that the water drops completely flow into the inverted groove.
Further, the first porcelain plate is provided with a plurality of grooves 108 from top to bottom.
Therefore, the water drops on the porcelain plate can flow downwards more favorably, and the gathering of the water drops on the porcelain plate is reduced.
Further, the water outlet is also connected with a pipeline 109.
Thus, when the refrigerating unit is mounted on a dehumidifier, the drainage of water accumulated in the drain tank is facilitated.
The dehumidifier comprises a shell 4, wherein the shell is provided with an inlet 41 for air to be dehumidified and an outlet 42 for dehumidified air, the shell is also provided with an air channel 43 for connecting the inlet and the outlet, and a refrigerating element 44 is arranged in the air channel; the refrigerating element comprises two porcelain plates, a semiconductor crystal grain is arranged between the two porcelain plates, when direct current is switched on, the temperature of the porcelain plate on one side of the refrigerating element rises, the porcelain plate on the one side is called a high-temperature porcelain plate, the temperature of the porcelain plate on the other side falls, and the porcelain plate on the one side is called a low-temperature porcelain plate; the method is characterized in that: the refrigerating element is the refrigerating element with the structure.
The invention is arranged in such a way, and can conveniently realize the collection of the moisture of the refrigerating part.
Preferably, the refrigerating element is mounted on a lining plate 45, the periphery of the lining plate is connected to the side face of the air channel through a rubber strip 46, and a vibration motor 47 connected with a power supply is further mounted on the lining plate.
When the sample dehumidifier is used, the vibrating motor can be started, and water drops on the refrigerating part are convenient to fall.
Preferably, the refrigeration units are in multiple pieces, each refrigeration unit having a conduit connected at an upper end thereof to the water outlet and at an opposite end thereof to the moisture collection tank 48.
Furthermore, the air channel is provided with a structure that the cross-sectional area close to the inlet is larger than that of the outlet; the refrigerating element is arranged around the air channel. For example, the air passage forms a reverse truncated pyramid structure or a reverse truncated cone structure at the location where the refrigerant is installed.
The dehumidifier is arranged in such a way that the entering air can face the porcelain plate, thereby achieving the purpose of better dehumidification effect.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention, and the technical solutions are all covered in the scope of the description of the present invention.
Claims (9)
1. The utility model provides a special refrigeration piece of dehumidifier, it includes two ceramic plates and presss from both sides the semiconductor crystalline grain of establishing between two ceramic plates, characterized by: the ceramic plate below have one from a left side to the water drainage tank of right side, this ceramic plate is first ceramic plate, water drainage tank on have an opening, water drainage tank present the state that the right side is low, water drainage tank right side has the delivery port.
2. A refrigeration unit as set forth in claim 1 wherein: the lower side of the first porcelain plate is provided with an extension part which exceeds the mounted semiconductor crystal grain, and the drainage groove is arranged on the extension part.
3. A refrigeration unit as set forth in claim 2 wherein: the extension part is provided with a groove, the drainage groove is made of aluminum plates or plastics and is bonded at the groove, and the inner side of the drainage groove is not higher than the outer side of the first porcelain plate.
4. A refrigeration unit as set forth in claim 1 wherein: the first porcelain plate is also provided with a plurality of grooves from top to bottom.
5. A refrigeration unit as set forth in claim 1 wherein: the water outlet is also connected with a pipeline.
6. The dehumidifier comprises a shell, wherein the shell is provided with an inlet for dehumidifying air and an outlet for the dehumidified air, the shell is also provided with an air channel for connecting the inlet and the outlet, and a refrigerating element is arranged in the air channel; the refrigerating element comprises two porcelain plates, a semiconductor crystal grain is arranged between the two porcelain plates, when direct current is switched on, the temperature of the porcelain plate on one side of the refrigerating element rises, the porcelain plate on the one side is called a high-temperature porcelain plate, the temperature of the porcelain plate on the other side falls, and the porcelain plate on the one side is called a low-temperature porcelain plate; the method is characterized in that: the refrigerating element is the refrigerating element with the structure.
7. The dehumidifier of claim 6 wherein: the refrigeration piece is installed on a lining plate, the periphery of the lining plate is connected to the side face of the air channel through a rubber strip, and a vibration motor connected with a power supply is further installed on the lining plate.
8. The dehumidifier of claim 7 wherein: the refrigerating elements are multiple, each refrigerating element is provided with a pipeline, the upper end of the pipeline is connected to the water outlet, and the other end of the pipeline is connected with the water collecting tank.
9. The dehumidifier of claim 8 wherein: the air passage has a structure that the cross-sectional area near the inlet is larger than that at the outlet, and the refrigerating element is arranged around the air passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911253990.9A CN110849030A (en) | 2019-12-10 | 2019-12-10 | Special refrigerating piece for dehumidifier and dehumidifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911253990.9A CN110849030A (en) | 2019-12-10 | 2019-12-10 | Special refrigerating piece for dehumidifier and dehumidifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110849030A true CN110849030A (en) | 2020-02-28 |
Family
ID=69608297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911253990.9A Pending CN110849030A (en) | 2019-12-10 | 2019-12-10 | Special refrigerating piece for dehumidifier and dehumidifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110849030A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB900043A (en) * | 1959-12-03 | 1962-07-04 | Colchester Woods | Improvements in or relating to dehumidifiers |
| CN2583546Y (en) * | 2002-11-08 | 2003-10-29 | 冯自平 | Electronic cooling dehumidifier |
| CN101055109A (en) * | 2006-09-29 | 2007-10-17 | 曹爱国 | Thermoelectric air conditioning unit and thermoelectric air conditioner possessing same |
| US20080190115A1 (en) * | 2007-02-14 | 2008-08-14 | Ben-Mou Yu | Thermoelectric Cooler Module Structure |
| CN102116519A (en) * | 2009-12-30 | 2011-07-06 | 乐金电子(天津)电器有限公司 | Water receiving disc of dehumidifier |
| CN105821632A (en) * | 2015-01-28 | 2016-08-03 | 株式会社东芝 | Clothes dryer |
| WO2019132327A1 (en) * | 2017-12-29 | 2019-07-04 | 블렌드씨 주식회사 | Small smart dehumidifier |
| CN110246819A (en) * | 2019-06-23 | 2019-09-17 | 许昌市森洋电子材料有限公司 | A kind of porcelain plate producing cooling component and manufacturing method |
| CN211120101U (en) * | 2019-12-10 | 2020-07-28 | 河南鸿昌电子有限公司 | Special refrigerating part for dehumidifier |
-
2019
- 2019-12-10 CN CN201911253990.9A patent/CN110849030A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB900043A (en) * | 1959-12-03 | 1962-07-04 | Colchester Woods | Improvements in or relating to dehumidifiers |
| CN2583546Y (en) * | 2002-11-08 | 2003-10-29 | 冯自平 | Electronic cooling dehumidifier |
| CN101055109A (en) * | 2006-09-29 | 2007-10-17 | 曹爱国 | Thermoelectric air conditioning unit and thermoelectric air conditioner possessing same |
| US20080190115A1 (en) * | 2007-02-14 | 2008-08-14 | Ben-Mou Yu | Thermoelectric Cooler Module Structure |
| CN101246946A (en) * | 2007-02-14 | 2008-08-20 | 致惠科技股份有限公司 | Thermoelectric cooler module structure |
| CN102116519A (en) * | 2009-12-30 | 2011-07-06 | 乐金电子(天津)电器有限公司 | Water receiving disc of dehumidifier |
| CN105821632A (en) * | 2015-01-28 | 2016-08-03 | 株式会社东芝 | Clothes dryer |
| WO2019132327A1 (en) * | 2017-12-29 | 2019-07-04 | 블렌드씨 주식회사 | Small smart dehumidifier |
| CN110246819A (en) * | 2019-06-23 | 2019-09-17 | 许昌市森洋电子材料有限公司 | A kind of porcelain plate producing cooling component and manufacturing method |
| CN211120101U (en) * | 2019-12-10 | 2020-07-28 | 河南鸿昌电子有限公司 | Special refrigerating part for dehumidifier |
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Application publication date: 20200228 |
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| WD01 | Invention patent application deemed withdrawn after publication |