CN112556018A - Self-cleaning filter screen and air conditioner - Google Patents
Self-cleaning filter screen and air conditioner Download PDFInfo
- Publication number
- CN112556018A CN112556018A CN202011469143.9A CN202011469143A CN112556018A CN 112556018 A CN112556018 A CN 112556018A CN 202011469143 A CN202011469143 A CN 202011469143A CN 112556018 A CN112556018 A CN 112556018A
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- China
- Prior art keywords
- filter screen
- type semiconductor
- self
- cleaning filter
- cleaning
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/26—Refrigerant piping
- F24F1/28—Refrigerant piping for connecting several separate outdoor units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
Abstract
The invention discloses a self-cleaning filter screen and an air conditioner, and relates to the technical field of self cleaning of air conditioners, wherein the self-cleaning filter screen comprises a metal net, an insulating frame, an N-type semiconductor, a P-type semiconductor and a direct current power supply device, wherein the metal net is arranged at the inner ring of the insulating frame; the air conditioner comprises an indoor unit, wherein a filter screen is arranged in the indoor unit, and the filter screen is a self-cleaning filter screen. The self-cleaning filter screen can automatically cool and frost, heat and defrost without disassembly or use of an electric heater, so that the cleaning is simple, convenient and quick; the air conditioner uses the automatically cleaning filter screen, can conveniently maintain, avoids reducing the refrigeration or the effect of heating, improves user's experience and feels.
Description
Technical Field
The invention relates to the technical field of self-cleaning of air conditioners, in particular to a self-cleaning filter screen and an air conditioner.
Background
The air-conditioner air-purifying method mainly achieves the sterilization and dust removal effects by means of filtering air through the filter screen, however, after the air-conditioner is used for a long time, the phenomenon of dust accumulation can occur on the surface of the filter screen. Dust accumulation not only affects the use effect of the filter screen, but also can cause the air inlet to be blocked, and the air inlet amount is affected, so that the refrigerating and heating effects are poor.
When cleaning the filter screen, there are two general ways, the first is to maintain the cleanliness of the filter screen by manually disassembling and cleaning the filter screen. The second is that an electric heater is arranged in the evaporator, then the air conditioner is adjusted to a refrigeration state, so that the surface of the evaporator is condensed and frosted, then the electric heater is used for melting and frosting, frosting and water are generated, and the filter screen on the evaporator is washed clean by the flowing water.
For the first mode, for split wall hanging machine, the indoor machine has certain installation height requirement, and the user still needs to ascend to disassemble and clean the filter screen, which is very inconvenient. For the cabinet air conditioner, in order to achieve the purpose of attractive appearance, the filter screen is hidden in the shell, and the air conditioner shell needs to be installed when a user takes out the filter screen, so that the operation convenience is low. For the second mode, the electric heater is large in size, not only prevents air inlet, but also prevents air outlet, and therefore the refrigerating and heating effects are reduced.
Therefore, how to conveniently clean the filter screen is a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the self-cleaning filter screen and the air conditioner, the self-cleaning filter screen can automatically cool, frost and heat for defrosting, is not required to be disassembled, and is not required to use an electric heater, so that the cleaning is simple, convenient and quick; the air conditioner uses the automatically cleaning filter screen, can conveniently maintain, avoids reducing the refrigeration or the effect of heating, has improved user's experience and has felt.
In order to achieve the purpose, the invention provides the following technical scheme:
a self-cleaning filter screen comprises a metal mesh, an insulating frame, an N-type semiconductor, a P-type semiconductor and a direct-current power supply device, wherein the metal mesh is arranged on an inner ring of the insulating frame, one end of the metal mesh is connected with the insulating frame through the N-type semiconductor, one end of the metal mesh, far away from the N-type semiconductor, is connected with the insulating frame through the P-type semiconductor, the anode of the direct-current power supply device is electrically connected with the P-type semiconductor, and the cathode of the direct-current power supply device is electrically connected with the N-type semiconductor.
Preferably, the insulating frame is a thermoplastic polyimide plastic frame.
Preferably, the N-type semiconductor is connected to the insulating frame by a first fastener.
Preferably, the first fastening member is a screw or a bolt.
Preferably, the P-type semiconductor is connected to the insulating frame through a second fastener.
Preferably, the second fastener is a screw or a bolt.
Preferably, the N-type semiconductor and the P-type semiconductor are both connected with the metal mesh in a welding manner.
Preferably, the N-type semiconductor and the P-type semiconductor are both connected with the metal mesh through a hook.
An air conditioner comprises an indoor unit, wherein a filter screen is arranged in the indoor unit, and the filter screen is a self-cleaning filter screen.
Preferably, the automatic cleaning device further comprises a controller and a remote controller, the controller is electrically connected with the direct current power supply equipment, and when the controller receives a self-cleaning signal sent by the remote controller, the direct current power supply equipment supplies power.
Compared with the prior art, the invention has the beneficial effects that:
1. this automatically cleaning filter screen can cool down by oneself and frosts, intensification defrosting, need not to dismantle, also need not to use electric heater for clean simple and convenient swift, occupation space is little, has improved refrigeration and heating effect. In addition, the self-cleaning filter screen can perform high-temperature sterilization while performing frosting and defrosting self-cleaning by using the N-type semiconductor and the P-type semiconductor, can adjust defrosting time at will by changing the current, and has high flexibility; moreover, the self-cleaning filter screen has no mechanical transmission part, so that the self-cleaning filter screen has no noise, no abrasion and long service life during working.
2. According to the invention, the thermoplastic polyimide plastic frame is used as the insulating frame, so that the excellent insulating property and high temperature resistance of the thermoplastic polyimide plastic can be utilized, the use safety and the service life of the insulating frame are improved, the manpower and material resources consumed by maintenance and replacement are reduced, the cost is reduced, and the resources are saved.
3. According to the invention, the N-type semiconductor is connected with the insulating frame through the first fastener, so that the N-type semiconductor and the insulating frame can be conveniently dismounted, the maintenance is convenient, and the maintenance efficiency is improved.
4. The invention adopts the screw or the bolt as the first fastening piece, thereby facilitating the purchase, having low price and saving the cost.
5. According to the invention, the P-type semiconductor and the insulating frame can be conveniently disassembled and assembled by connecting the P-type semiconductor with the insulating frame through the second fastener, so that the maintenance is convenient, and the maintenance efficiency is improved.
6. The invention adopts the screw or the bolt as the second fastening piece, thereby facilitating the purchase, having low price and saving the cost.
7. According to the invention, the N-type semiconductor and the P-type semiconductor are connected with the metal mesh in a welding manner, so that the N-type semiconductor, the P-type semiconductor and the metal mesh can be conveniently installed, the installation efficiency is improved, the reliability of the installation of the metal mesh and the N-type semiconductor together and the reliability of the installation of the metal mesh and the P-type semiconductor together are also improved.
8. According to the invention, the N-type semiconductor and the P-type semiconductor are connected with the metal mesh through the hooks, so that the P-type semiconductor and the metal mesh can be conveniently replaced, and the maintenance is convenient.
9. This air conditioner can conveniently maintain through using the automatically cleaning filter screen, avoids reducing refrigeration or heating effect, has improved user's experience and has felt.
10. According to the invention, the self-cleaning mode can be conveniently used by a user by arranging the controller and the remote controller, so that the use experience 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, and 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 inventive exercise.
FIG. 1 is a schematic structural diagram of a self-cleaning filter screen;
FIG. 2 is a flow chart of the air conditioner self-cleaning mode;
in the figure: 1-insulating frame, 2-metal net, 3-N type semiconductor, 4-P type semiconductor and 5-DC power supply equipment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A self-cleaning filter screen is shown in figure 1 and comprises an insulating frame 1, a metal net 2, an N-type semiconductor 3, a P-type semiconductor 4 and direct-current power supply equipment 5.
In order to improve the use safety and the service life of the insulating frame 1, the insulating frame 1 adopts a thermoplastic polyimide plastic frame. By utilizing the excellent insulating property and high temperature resistance of the thermoplastic polyimide plastic, the use safety and the service life of the insulating frame 1 are improved, the manpower and material resources consumed by maintenance and replacement are reduced, the cost is reduced, and the resources are saved.
The metal mesh 2 is arranged at the inner ring of the insulating frame 1.
One end of the metal net 2 is connected with the insulating frame 1 through the N-type semiconductor 3.
In order to conveniently disassemble and assemble the N-type semiconductor 3 and the insulating frame 1 so as to be convenient for maintenance and improve the maintenance efficiency, the N-type semiconductor 3 is connected with the insulating frame 1 through a first fastener.
Specifically, the first fastening piece adopts a screw or a bolt, the screw or the bolt belongs to conventional commercially available products, purchasing is convenient, price is low, and cost is saved.
In order to facilitate the installation of the N-type semiconductor 3 and the metal mesh 2, improve the installation efficiency, and improve the reliability of the installation of the metal mesh 2 and the N-type semiconductor 3 together, the N-type semiconductor 3 is fixed to the metal mesh 2 by welding. Or, in order to facilitate the detachment of the N-type semiconductor 3 and the metal mesh 2, thereby facilitating the maintenance, the N-type semiconductor 3 is connected to the metal mesh 2 through a hook.
The metal net 2 is connected with the insulating frame 1 through the P-type semiconductor 4 at one end far away from the N-type semiconductor 3.
In order to conveniently disassemble and assemble the P-type semiconductor 4 and the insulating frame 1, so that the maintenance is convenient, the maintenance efficiency is improved, and the P-type semiconductor 4 is connected with the insulating frame 1 through a second fastener.
Specifically, the second fastener adopts a screw or a bolt, and the screw or the bolt belongs to conventional commercially available products, so that the purchase is convenient, the price is low, and the cost is saved.
In order to facilitate the installation of the P-type semiconductor 4 and the metal mesh 2, improve the installation efficiency, improve the reliability of the installation of the metal mesh 2 and the P-type semiconductor 4 together, and weld and fix the P-type semiconductor 4 and the metal mesh 2. Or, in order to replace the P-type semiconductor 4 and the metal mesh 2 conveniently, and thus to facilitate maintenance, the P-type semiconductor 4 is connected with the metal mesh 2 through a hook.
The positive electrode of the dc power supply device 5 is electrically connected to the P-type semiconductor 4, and the negative electrode of the dc power supply device 5 is electrically connected to the N-type semiconductor 3.
The use principle is as follows: the direct current supply equipment 5 provides direct current, the direct current enters from a point C (a connecting point of a lead for connecting the P-type semiconductor 4 and the direct current supply equipment 5 with the P-type semiconductor 4) to electrify the N-type semiconductor 3 material, the direct current is transmitted to the P-type semiconductor 4 through the metal net 2, and the current flows out from a point B (a connecting point of a lead for connecting the B-type semiconductor and the direct current supply equipment 5 with the B-type semiconductor) to form a current loop; the temperature of the junction decreases as electrons travel from the P-type to the N-type through the junction, and conversely increases as electrons travel from the N-type to the P-type material.
Stage one, metal mesh 2 produces the thermoelectric refrigeration effect, metal mesh 2 is under the condition of constantly lowering the temperature, utilize the vapor condensation in the atmosphere, when the temperature reaches dew point temperature, moisture in the air can form the drop of water on metal mesh 2 surfaces, the dust can be wrapped up in by the drop of water this moment, after whole metal mesh 2 all is full of the drop of water, the temperature further reduces, 2 wire sides of metal mesh can form the frost, metal mesh 2 can form the solid mixture of dust and frost, the time of frosting can pass through the current strength decision this moment, concrete frosting time can be according to the corresponding adjustment of filter screen size, the flexibility is high.
Step two, reversely supplying current to heat and defrost the metal net 2, starting defrosting, taking away dust to generate a self-cleaning effect, and starting heating and high-temperature sterilization when the metal net 2 is completely dried; by repeating the above steps, the metal net 2 undergoes a self-cleaning process of condensation, frosting, defrosting and high-temperature sterilization.
According to the use principle, the self-cleaning filter screen of the embodiment 1 can automatically cool and frost, heat and defrost without disassembly or use of an electric heater, so that the cleaning is simple, convenient and quick, the occupied space is small, and the refrigerating and heating effects are improved. In addition, the self-cleaning filter screen of embodiment 1 utilizes the N-type semiconductor 3 and the P-type semiconductor 4 to perform self-cleaning of frosting and defrosting, and simultaneously can perform high-temperature sterilization, and can adjust defrosting time arbitrarily by changing current, so that flexibility is high; furthermore, the self-cleaning filter screen of the embodiment 1 has no mechanical transmission part, so that the self-cleaning filter screen has no noise and abrasion during working and has long service life.
Example 2
An air conditioner comprises an indoor unit, wherein a filter screen is arranged in the indoor unit, and the filter screen adopts the self-cleaning filter screen disclosed by the embodiment 1.
The air conditioner further comprises a controller and a remote controller, the controller is electrically connected with the direct current supply equipment 5, and when the controller receives a self-cleaning signal sent by the remote controller, the direct current supply equipment 5 supplies power. Through setting up controller and remote controller, can convenience of customers use the automatically cleaning mode to use experience is felt has further been improved.
As shown in fig. 2, the principle is used: when the controller receives an instruction of automatically cleaning the filter screen sent by the remote controller, the controller starts the direct current supply equipment 5, the direct current supply equipment 5 supplies direct current, and according to the use principle described in the embodiment 1, the self-cleaning filter screen completes the self-cleaning process of condensation, frosting, defrosting and high-temperature sterilization.
According to the use principle, the air conditioner of the embodiment 2 can be conveniently maintained by using the self-cleaning filter screen in the embodiment 1, the refrigeration or heating effect is prevented from being reduced, and the experience of a user is improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A self-cleaning filter screen is characterized in that: the direct current power supply device comprises a metal net, an insulating frame, an N-type semiconductor, a P-type semiconductor and a direct current power supply device, wherein the metal net is arranged on an inner ring of the insulating frame, one end of the metal net is connected with the insulating frame through the N-type semiconductor, one end of the metal net far away from the N-type semiconductor is connected with the insulating frame through the P-type semiconductor, the anode of the direct current power supply device is electrically connected with the P-type semiconductor, and the cathode of the direct current power supply device is electrically connected with the N-type semiconductor.
2. A self-cleaning filter screen as claimed in claim 1, wherein: the insulating frame is a thermoplastic polyimide plastic frame.
3. A self-cleaning filter screen as claimed in claim 1, wherein: the N-type semiconductor is connected with the insulating frame through a first fastener.
4. A self-cleaning filter screen as claimed in claim 3, wherein: the first fastener adopts a screw or a bolt.
5. A self-cleaning filter screen as claimed in claim 1, wherein: the P-type semiconductor is connected with the insulating frame through a second fastener.
6. A self-cleaning filter screen as claimed in claim 5, wherein: the second fastener adopts a screw or a bolt.
7. A self-cleaning filter screen as claimed in claim 1, wherein: the N-type semiconductor and the P-type semiconductor are connected with the metal mesh in a welding mode.
8. A self-cleaning filter screen as claimed in claim 1, wherein: the N-type semiconductor and the P-type semiconductor are connected with the metal net through clamping hooks.
9. The air conditioner as claimed in claim 1, comprising an indoor unit, a filter screen is provided in the indoor unit, characterized in that: the filter screen adopts a self-cleaning filter screen as claimed in any one of claims 1-8.
10. An air conditioner according to claim 8, wherein: the controller is electrically connected with the direct current power supply equipment, and when the controller receives a self-cleaning signal sent by the remote controller, the direct current power supply equipment supplies power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011469143.9A CN112556018B (en) | 2020-12-14 | 2020-12-14 | Self-cleaning filter screen and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011469143.9A CN112556018B (en) | 2020-12-14 | 2020-12-14 | Self-cleaning filter screen and air conditioner |
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| Publication Number | Publication Date |
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| CN112556018A true CN112556018A (en) | 2021-03-26 |
| CN112556018B CN112556018B (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011469143.9A Active CN112556018B (en) | 2020-12-14 | 2020-12-14 | Self-cleaning filter screen and air conditioner |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03105152A (en) * | 1989-09-18 | 1991-05-01 | Kajima Corp | Air conditioning duct |
| WO2007096463A2 (en) * | 2006-02-23 | 2007-08-30 | Picodeon Ltd Oy | Element |
| CN106958962A (en) * | 2017-02-13 | 2017-07-18 | 合肥美的电冰箱有限公司 | Semiconductor defrosting heater and refrigeration plant |
| CN109945313A (en) * | 2019-03-26 | 2019-06-28 | 珠海格力电器股份有限公司 | Air conditioner cleaning device, clean method and air conditioner |
| CN110906452A (en) * | 2018-09-18 | 2020-03-24 | 青岛海尔空调器有限总公司 | Air conditioner and control method for air conditioner |
| EP3660407A1 (en) * | 2018-11-27 | 2020-06-03 | LG Electronics Inc. | Air cleaner including thermoelectric module |
| CN111578386A (en) * | 2020-05-09 | 2020-08-25 | 青岛海尔空调器有限总公司 | A structure and air conditioner for air conditioner filter screen is automatically cleaned |
| CN111906056A (en) * | 2020-07-14 | 2020-11-10 | 郑州金域临床检验中心有限公司 | Novel multi-functional pathological sampling board |
-
2020
- 2020-12-14 CN CN202011469143.9A patent/CN112556018B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03105152A (en) * | 1989-09-18 | 1991-05-01 | Kajima Corp | Air conditioning duct |
| WO2007096463A2 (en) * | 2006-02-23 | 2007-08-30 | Picodeon Ltd Oy | Element |
| CN106958962A (en) * | 2017-02-13 | 2017-07-18 | 合肥美的电冰箱有限公司 | Semiconductor defrosting heater and refrigeration plant |
| CN110906452A (en) * | 2018-09-18 | 2020-03-24 | 青岛海尔空调器有限总公司 | Air conditioner and control method for air conditioner |
| EP3660407A1 (en) * | 2018-11-27 | 2020-06-03 | LG Electronics Inc. | Air cleaner including thermoelectric module |
| CN109945313A (en) * | 2019-03-26 | 2019-06-28 | 珠海格力电器股份有限公司 | Air conditioner cleaning device, clean method and air conditioner |
| CN111578386A (en) * | 2020-05-09 | 2020-08-25 | 青岛海尔空调器有限总公司 | A structure and air conditioner for air conditioner filter screen is automatically cleaned |
| CN111906056A (en) * | 2020-07-14 | 2020-11-10 | 郑州金域临床检验中心有限公司 | Novel multi-functional pathological sampling board |
Non-Patent Citations (1)
| Title |
|---|
| 厦门水产学院制冷教研室主编: "《制冷技术问答》", 31 May 1981 * |
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