CN109798632B - Air conditioner - Google Patents
Air conditioner Download PDFInfo
- Publication number
- CN109798632B CN109798632B CN201910234805.5A CN201910234805A CN109798632B CN 109798632 B CN109798632 B CN 109798632B CN 201910234805 A CN201910234805 A CN 201910234805A CN 109798632 B CN109798632 B CN 109798632B
- Authority
- CN
- China
- Prior art keywords
- pressure
- air duct
- air conditioner
- magnetic induction
- coil assembly
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 claims abstract description 64
- 230000007246 mechanism Effects 0.000 claims description 45
- 230000006698 induction Effects 0.000 claims description 41
- 239000012528 membrane Substances 0.000 claims description 24
- 238000012544 monitoring process Methods 0.000 claims description 13
- 230000008859 change Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 8
- 238000009825 accumulation Methods 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Abstract
The invention provides an air conditioner, and relates to the technical field of air conditioners. The air conditioner comprises an air duct shell, a filter screen, a pressure detection device and a pressure detection module, wherein the filter screen is arranged at an air inlet of the air duct shell. The pressure film is arranged on the air conditioner and is used for generating deformation in a state of forming negative pressure in the air duct of the air duct shell so as to drive the detection module to act to trigger an alarm. The air conditioner can realize automatic detection of filter screen filth blockage, and has simple structure and lower manufacturing cost.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner.
Background
After the room air conditioner is used for a period of time, dust exists in the air, the air conditioner filter screen can avoid blocking of the air conditioner filter screen caused by the phenomenon of dust accumulation, and the user can often wait until the blocking of the filter screen is serious because the user is difficult to observe the dust accumulation condition, so that the use effect, the energy efficiency ratio and the reliability of the air conditioner are reduced to different degrees. The filter screen filth blocking prompt function of the existing air conditioner is complex, and the manufacturing cost is high.
Disclosure of Invention
The invention provides an air conditioner which can realize automatic detection of filter screen filth blockage, and has the advantages of simple structure and lower manufacturing cost.
The invention provides an air conditioner, which comprises an air duct shell, a filter screen, a pressure detection device and a control module, wherein the filter screen is arranged at an air inlet of the air duct shell; the pressure film is arranged on the air conditioner and is used for generating deformation in a state of forming negative pressure in the air duct of the air duct shell so as to drive the detection module to act to trigger an alarm.
The air conditioner utilizes the principle that the filter screen is dirty to form negative pressure in the air duct of the air duct shell, the filter screen is dirty to be blocked through the pressure film which can generate deformation under the negative pressure state, and the pressure film drives the detection module to work under the state that the filter screen is dirty to form negative pressure in the air duct, so that the alarm can be triggered, the automatic detection of the filter screen is dirty to be blocked can be conveniently and rapidly realized, and the air conditioner is simple in structure and low in cost.
Further, the detection module comprises a power supply, a detection mechanism and a divider resistor; the power supply is connected with the divider resistor and the detection mechanism in series and then grounded, and a monitoring point is arranged between the divider resistor and the detection mechanism; the detection mechanism is arranged on the air duct shell, the pressure film is used for driving the detection mechanism to act when the pressure film is deformed so as to change the potential of the monitoring point, and the potential is used for triggering an alarm in a state of being larger than a preset value.
Further, the detection mechanism comprises a coil assembly and a magnetic induction core, wherein one of the coil assembly and the magnetic induction core is fixed on the air duct shell, and the other one of the coil assembly and the magnetic induction core is used for moving relative to the coil assembly or the magnetic induction core fixed on the air duct shell under the drive of the pressure film so that the magnetic induction core cuts a magnetic induction wire of the coil assembly.
The electromagnetic induction principle of the magnetic induction core and the coil assembly is utilized to realize the filth blockage reminding of the filter screen, the structure is simple, the implementation is easy, the cost is low, and the sensitivity is high.
Further, one of the coil assembly and the magnetic induction core is fixed to the air duct housing, and the other is fixed to the pressure membrane.
Further, one of the coil assembly and the magnetic induction core is disposed corresponding to a center of the pressure membrane.
Further, the coil assembly spacer ring is arranged on the periphery of the magnetic induction core.
Further, the pressure detection device further comprises a fixing piece, one end of the fixing piece is fixed on the air duct shell, and one of the coil assembly and the magnetic induction core is fixed at one end, far away from the air duct shell, of the fixing piece.
Further, the detection mechanism is arranged in the air duct of the air duct shell, or a pressure measuring port communicated with the outside is formed in the air duct shell in a penetrating mode, and the detection mechanism is arranged in the pressure measuring port.
Further, a pressure measuring port communicated with the outside is formed in the air duct shell in a penetrating mode; the pressure membrane covers the pressure tap.
Further, the pressure film is mounted on the inner wall of the air duct housing.
Drawings
Fig. 1 is a schematic cross-sectional view of an air conditioner according to an embodiment of the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is a schematic structural view of a part of a structure of a pressure detecting device according to an embodiment of the present invention.
Fig. 4 is a schematic cross-sectional view of a part of the structure of the pressure detecting device according to an embodiment of the present invention.
Fig. 5 is a circuit diagram of a connection between a voltage dividing resistor and a detection mechanism according to an embodiment of the present invention.
Fig. 6 is a schematic cross-sectional view of a part of the structure of a pressure detecting device according to an alternative embodiment of the present invention.
Fig. 7 is a schematic cross-sectional view of an air conditioner to which the pressure detecting device according to an alternative embodiment of the present invention is applied.
Fig. 8 is an enlarged view at B in fig. 7.
Reference numerals illustrate:
100-an air conditioner; 110-an air duct housing; 112-air inlet; 113-pressure measuring port; 120-evaporator; 130-a filter screen; 140-pressure detection means; 141-a fixing member; 1411-a first securing portion; 1412-second fixing portions; 142-pressure membrane; 143-a detection mechanism; 1431-a coil assembly; 101-a coil former; 102-coil; 1432-a magnetic induction core; 144-power supply; 145—voltage dividing resistor; 146-monitoring point; 103-connecting rod.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
Fig. 1 is a schematic cross-sectional view of an air conditioner 100 according to the present embodiment. Referring to fig. 1, the present embodiment discloses an air conditioner 100, which includes an air duct housing 110, an evaporator 120 and a filter screen 130, wherein the evaporator 120 is disposed in the air duct housing 110, and the filter screen 130 is disposed at an air inlet 112 of the air duct housing 110.
It will be appreciated that the filter 130 must accumulate dust after the air conditioner 100 is used for a period of time due to the dust in the air. In order to timely remind the user to clean the filter screen 130, avoid the influence on the air volume and the possible unhealthy condition caused by the dust accumulation, the air conditioner 100 disclosed in this embodiment further includes a pressure detection device 140 disposed on the air duct housing 110 for triggering an alarm in a state that the filter screen 130 is dust accumulation to form a negative pressure in the air duct, so as to prompt the user to clean the filter screen 130.
It should be noted that, the air conditioner 100 may further include an alarm or a warning light, and the alarm can be sent out according to the working state of the pressure detecting device 140.
Fig. 2 is an enlarged view at a in fig. 1. Referring to fig. 1 and 2 in combination, in the present embodiment, a pressure measuring port 113 is further provided on the air duct housing 110 in a penetrating manner, and the pressure measuring port 113 is disposed between the evaporator 120 and the filter screen 130 and is communicated with the outside. The pressure measuring port 113 is used for mounting the pressure detecting device 140.
Optionally, in the present embodiment, the pressure detecting device 140 includes a fixing member 141, a pressure membrane 142, and a detecting module (not shown). The pressure film 142 is mounted on the air duct housing 110 and is disposed corresponding to the pressure measuring port 113, and the pressure film 142 is configured to deform in a state of forming negative pressure in the air duct of the air duct housing 110, so as to drive the detection module to act to trigger an alarm. Fig. 3 is a schematic structural diagram of a part of the structure of the pressure detecting device 140 according to the present embodiment. Referring to fig. 2 and 3 in combination, in the present embodiment, the pressure film 142 has a certain elasticity, so that deformation can occur to drive the detection mechanism 143 to act when the air duct forms negative pressure.
Alternatively, in the present embodiment, the pressure film 142 is attached to the inner wall of the air duct housing 110. It will be appreciated that the pressure membrane 142 seals the pressure port 113, which can increase the sensitivity of the pressure detection device 140, and once the filter screen 130 is dust-collecting, the air duct is negative pressure, and the pressure membrane 142 can deform.
Also, it is understood that the pressure film 142 is attached to the inner wall of the duct housing 110 for easy installation. In other alternative embodiments, the pressure membrane 142 may be attached to the outer wall of the air duct housing 110, or the pressure membrane 142 may be disposed at the inner peripheral wall of the pressure measuring port 113, as long as deformation of the pressure membrane 142 in the air duct negative pressure state is achieved. The pressure film 142 may be installed at the filter screen 130 of the air conditioner 100, etc., as long as it is deformed in a negative pressure state so that the clogging condition of the filter screen 130 can be correctly responded.
It will be appreciated that the pressure membrane 142 may be adhesively secured to the air chute housing 110 or may be secured to the air chute housing 110 by a seal.
With continued reference to fig. 2, in the present embodiment, alternatively, the fixing member 141 is fixed to the inner wall of the air duct housing 110, and the fixing member 141 includes a first fixing portion 1411 and a second fixing portion 1412 that are connected to each other in an L shape. The first fixing portion 1411 is fixed to an inner wall of the air duct housing 110, and the second fixing portion 1412 is disposed opposite to the pressure measuring port 113 and is used for fixing the detecting mechanism 143.
It should be understood that, as long as the detecting mechanism 143 can be conveniently fixed, and the pressure film 142 is deformed to drive the detecting mechanism 143 to generate the electric signal, the fixing member 141 may be configured according to needs, for example, the fixing member 141 may also be configured as a plate, and one end is fixed to the air duct housing 110, and the other end is used for installing the detecting mechanism 143. This approach is particularly applicable to embodiments in which the pressure membrane 142 is disposed outside of the air duct housing 110.
It is further noted that in alternative embodiments, detection mechanism 143 may be directly secured to duct housing 110 by altering the configuration of detection mechanism 143.
Alternatively, in the present embodiment, the detection mechanism 143 is disposed in the air duct of the air duct housing 110.
Fig. 4 is a schematic cross-sectional view of a part of the structure of the pressure detecting device 140 according to the present embodiment.
Fig. 5 is a circuit diagram showing the connection between the voltage dividing resistor 145 and the detection means 143 according to the present embodiment. Referring to fig. 3-5, in the present embodiment, the detection module includes a power source 144, a detection mechanism 143, and a voltage dividing resistor 145. The power supply 144 is connected in series with the divider resistor 145 and the detection mechanism 143 and then grounded, and a monitoring point 146 is arranged between the divider resistor 145 and the detection mechanism 143. The detecting mechanism 143 is mounted on the air duct housing 110, and the pressure film 142 is used for driving the detecting mechanism 143 to act when being deformed so as to change the potential of the monitoring point 146, and the electric signal is the potential of the monitoring point 146.
Let the voltage of the electric signal be U 0 It will be appreciated that:
in the above formula, U is the effective voltage value of the AC power source 144, R is the resistance value of the voltage dividing resistor 145, and X L Which is the inductance of the coil 102. As can be seen from the above, when X L When increasing U 0 With a consequent increase.
That is, the voltage dividing resistor 145 and the detection means 143 are serially connected to divide the voltage. The magnetic induction core 1432 cuts the magnetic induction line of the coil assembly 1431 to generate electromotive force, the voltage of the detection mechanism 143 is changed, and the resistance value of the voltage dividing resistor 145 is changed on the premise that the voltage of the power supply 144 is unchanged. The potential of the monitoring point 146 changes and the change in potential is used to trigger an alarm.
Alternatively, power source 144 is an alternating current power source 144 (AC).
In this embodiment, detection mechanism 143 includes a coil assembly 1431 and a magnetic induction core 1432.
Wherein the coil assembly 1431 is mounted on the pressure membrane 142 and the magnetic induction core 1432 is fixed on the second fixing portion 1412 of the fixing member 141. The coil assembly 1431 is disposed around the periphery of the magnetic induction core 1432. It will be appreciated that deformation of the pressure membrane 142 may move the coil assembly 1431 relative to the magnetic induction core 1432, such that the magnetic induction core 1432 may cut the magnetic induction line of the coil assembly 1431 when the coil assembly 1431 is energized, and change the potential of the monitoring point 146.
It will be appreciated that in this embodiment, the controller may be configured to receive the potential of the monitoring point 146, and when the potential is greater than a predetermined value, the controller controls the reminder to generate an alarm.
With continued reference to fig. 3 and 4, in an alternative embodiment, the coil assembly 1431 includes a bobbin 101 and a coil 102 wound around the outer periphery of the bobbin 101. The bobbin 101 and the pressure film 142 are fixed.
In one embodiment, coil assembly 1431 and magnetic induction core 1432 are disposed at a distance from each other, and coil assembly 1431 and magnetic induction core 1432 are disposed coaxially.
It will be appreciated that this configuration can improve the sensitivity of the detection mechanism 143.
Alternatively, magnetic induction core 1432 may be a metal core or a magnetic core.
Fig. 6 is a schematic cross-sectional view of a part of the structure of the pressure detecting device 140 according to an alternative embodiment. Referring to fig. 6, it should be understood that in other alternative embodiments, the mounting structure of the detection mechanism 143 may be: the coil assembly 1431 is fixed on the air duct housing 110, and the magnetic induction core 1432 is disposed on the pressure film 142 to move relative to the coil assembly 1431 under the driving of the pressure film 142, so as to cut the magnetic induction wire of the coil assembly 1431 to change the potential of the monitoring point 146.
Also, it is understood that the detection mechanism 143 may be spaced from the pressure film 142 as long as the magnetic induction lines of the coil assembly 1431 can be cut by the magnetic induction core 1432 under the driving of the pressure film 142.
For example, one of coil assembly 1431 and magnetic induction core 1432 is fixed to air duct housing 110 by fixing member 141 or directly, and the other of coil assembly 1431 and magnetic induction core 1432 is connected to fixing member 141 or air duct housing 110 by an elastic member. So that the coil assembly 1431 and the magnetic induction core 1432 can relatively move under the drive of the pressure film 142, thereby realizing the cutting of the magnetic induction line of the coil assembly 1431 so as to change the potential of the monitoring point 146.
It will be appreciated that the area of the pressure membrane 142 should be larger than the contact area between the detection mechanism 143 and the pressure membrane 142, so as to reserve enough deformation space for elastic deformation.
Also, it is noted that the coil assembly 1431 may be disposed at a central position of the pressure membrane 142 as much as possible so that the detection mechanism 143 is disposed corresponding to the center of the pressure port 113 as much as possible. That is, one of the coil assembly 1431 and the magnetic induction core 1432 is disposed to correspond to the center of the pressure measuring port 113 as much as possible, thereby improving the sensitivity of the pressure switch.
The above is one implementation of the pressure detection device 140 disclosed in this embodiment. Fig. 7 is a schematic cross-sectional view of an air conditioner 100 to which the pressure detecting device 140 according to an alternative embodiment is applied. Fig. 8 is an enlarged view at B in fig. 7. Referring to fig. 7 and 8 in combination, it should be appreciated that in alternative embodiments, the detection mechanism 143 may be a microswitch.
The pressure detection device 140 includes the detection mechanism 143, a fixing member 141, and a link 103, the fixing member 141 is fixed to the inner wall of the duct case 110, and the detection mechanism 143 is connected to the pressure membrane 142 via the link 103.
It will be appreciated that when the filter 130 is dirty and blocked, negative pressure is generated in the air duct, the pressure film 142 deforms, so as to trigger the detection mechanism 143, and the control circuit changes from the off state to the on state.
It will be appreciated that the conduction of the circuit may cause the pin of the controller electrically connected to the detection mechanism 143 to change from low to high or from high to low, and the controller may be able to control the alarm to be raised based on this change.
It should be appreciated that the detection mechanism 143 may be directly fixed to the pressure membrane 142, so that the control circuit is changed from the off state to the on state by the pressure membrane 142. In summary, the air conditioner 100 disclosed in this embodiment is installed on the pressure measuring port 113 provided on the air duct housing 110 by setting a pressure detecting device 140, and when the filter screen 130 is dirty and blocked, a negative pressure is formed in the air duct, and the pressure detecting device 140 generates an electrical signal to remind the user, so that the user can be timely reminded to clean the filter screen 130, and the situation that the air conditioner 100 is poor in comfort and health in use due to the fact that the user cannot observe that the filter screen 130 is not cleaned for a long time due to dust accumulation is prevented.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention should be assessed accordingly to that of the appended claims.
Claims (7)
1. An air conditioner comprising an air duct housing (110) and a filter screen (130), wherein the filter screen (130) is arranged at an air inlet (112) of the air duct housing (110), and is characterized in that the air conditioner (100) further comprises a pressure detection device (140), and the pressure detection device (140) comprises a pressure membrane (142) and a detection module; the pressure film (142) is arranged on the air conditioner (100) and is used for generating deformation in a state of forming negative pressure in an air duct of the air duct shell (110) so as to drive the detection module to act to trigger an alarm;
the detection module comprises a power supply (144), a detection mechanism (143) and a voltage dividing resistor (145); the power supply (144) is connected in series with the voltage dividing resistor (145) and the detection mechanism (143) and then grounded, and a monitoring point (146) is arranged between the voltage dividing resistor (145) and the detection mechanism (143); the detection mechanism (143) is arranged on the air duct shell (110), the pressure film (142) is used for driving the detection mechanism (143) to act when deformation occurs so as to change the potential of the monitoring point (146), and the potential is used for triggering an alarm in a state of being larger than a preset value;
the detection mechanism (143) comprises a coil assembly (1431) and a magnetic induction core (1432), wherein one of the coil assembly (1431) and the magnetic induction core (1432) is fixed on the air duct shell (110), and the other is used for relatively moving the coil assembly (1431) or the magnetic induction core (1432) fixed on the air duct shell (110) under the driving of the pressure film (142) so as to enable the magnetic induction core (1432) to cut a magnetic induction wire of the coil assembly (1431);
the air duct shell (110) is provided with a pressure measuring port (113) communicated with the outside in a penetrating way; -the pressure membrane (142) covers the pressure tap (113);
the pressure detection device (140) further comprises a fixing piece (141), the fixing piece (141) is fixed on the inner wall of the air duct shell (110), and the fixing piece (141) comprises a first fixing part (1411) and a second fixing part (1412) which are mutually connected to form an L shape;
the first fixing portion (1411) is fixed on the inner wall of the air duct housing (110), and the second fixing portion (1412) is arranged opposite to the pressure measuring port (113) and is used for fixing the detecting mechanism (143).
2. The air conditioner according to claim 1, wherein one of the coil assembly (1431) and the magnetic induction core (1432) is fixed to the duct housing (110), and the other is fixed to the pressure membrane (142).
3. The air conditioner according to claim 2, wherein one of the coil assembly (1431) and the magnetic induction core (1432) is disposed corresponding to a center of the pressure film (142).
4. The air conditioner according to claim 1, wherein the coil assembly (1431) is provided with a spacer ring around the outer periphery of the magnetic induction core (1432).
5. The air conditioner according to claim 1, wherein one end of the fixing member (141) is fixed to the duct housing (110), and one of the coil assembly (1431) and the magnetic induction core (1432) is fixed to an end of the fixing member (141) remote from the duct housing (110).
6. The air conditioner according to claim 1, wherein the detection mechanism (143) is disposed in an air duct of the air duct housing (110), or a pressure measuring port (113) communicated with the outside is provided in the air duct housing (110) in a penetrating manner, and the detection mechanism (143) is disposed in the pressure measuring port (113).
7. The air conditioner according to claim 1, wherein the pressure membrane (142) is mounted to an inner wall of the duct housing (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910234805.5A CN109798632B (en) | 2019-03-26 | 2019-03-26 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910234805.5A CN109798632B (en) | 2019-03-26 | 2019-03-26 | Air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109798632A CN109798632A (en) | 2019-05-24 |
| CN109798632B true CN109798632B (en) | 2024-03-15 |
Family
ID=66564109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910234805.5A Active CN109798632B (en) | 2019-03-26 | 2019-03-26 | Air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109798632B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012110862A (en) * | 2010-11-26 | 2012-06-14 | Mitsubishi Electric Corp | Device for detecting clogging of dust collecting filter |
| CN104562606A (en) * | 2013-10-29 | 2015-04-29 | 海尔集团公司 | Method for judging blockage of line chip filter of clothes drying machine and clothes drying machine |
| CN104949293A (en) * | 2015-07-23 | 2015-09-30 | 珠海市威士茂工业产品设计有限公司 | Air purifier capable of automatically judging service life of filter screen and automatic service life judgment method for filter screen of air purifier |
| CN105135604A (en) * | 2015-08-14 | 2015-12-09 | 珠海格力电器股份有限公司 | Control method and control system for air conditioner |
| CN205448181U (en) * | 2015-12-28 | 2016-08-10 | 思达文电器（深圳）有限公司 | Intelligence air filter screen detects device of function |
| CN107514727A (en) * | 2017-08-18 | 2017-12-26 | 广东美的制冷设备有限公司 | Air conditioner and its filter screen laying dust detection method and device |
| CN108709262A (en) * | 2018-05-30 | 2018-10-26 | 珠海格力电器股份有限公司 | Processor, filter screen and air conditioner |
| CN108954735A (en) * | 2018-07-17 | 2018-12-07 | 浙江百诚未莱环境集成有限公司 | A kind of intelligent control air-conditioning air port cleaning systems |
| CN209763415U (en) * | 2019-03-26 | 2019-12-10 | 奥克斯空调股份有限公司 | Air conditioner |
-
2019
- 2019-03-26 CN CN201910234805.5A patent/CN109798632B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012110862A (en) * | 2010-11-26 | 2012-06-14 | Mitsubishi Electric Corp | Device for detecting clogging of dust collecting filter |
| CN104562606A (en) * | 2013-10-29 | 2015-04-29 | 海尔集团公司 | Method for judging blockage of line chip filter of clothes drying machine and clothes drying machine |
| CN104949293A (en) * | 2015-07-23 | 2015-09-30 | 珠海市威士茂工业产品设计有限公司 | Air purifier capable of automatically judging service life of filter screen and automatic service life judgment method for filter screen of air purifier |
| CN105135604A (en) * | 2015-08-14 | 2015-12-09 | 珠海格力电器股份有限公司 | Control method and control system for air conditioner |
| CN205448181U (en) * | 2015-12-28 | 2016-08-10 | 思达文电器（深圳）有限公司 | Intelligence air filter screen detects device of function |
| CN107514727A (en) * | 2017-08-18 | 2017-12-26 | 广东美的制冷设备有限公司 | Air conditioner and its filter screen laying dust detection method and device |
| CN108709262A (en) * | 2018-05-30 | 2018-10-26 | 珠海格力电器股份有限公司 | Processor, filter screen and air conditioner |
| CN108954735A (en) * | 2018-07-17 | 2018-12-07 | 浙江百诚未莱环境集成有限公司 | A kind of intelligent control air-conditioning air port cleaning systems |
| CN209763415U (en) * | 2019-03-26 | 2019-12-10 | 奥克斯空调股份有限公司 | Air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109798632A (en) | 2019-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209763415U (en) | Air conditioner | |
| CN102860148B (en) | Fan and filter unit | |
| JP2006226993A (en) | Method and device for insulation resistance deterioration detection for motor, and motor drive device | |
| JPS62217932A (en) | Optical display and function monitor apparatus of vacuum cleaner | |
| US20120158188A1 (en) | Electronic condensate overflow switch | |
| CN109798632B (en) | Air conditioner | |
| CN103940059A (en) | Filter screen cleaning reminding device of indoor unit of air conditioner and control method | |
| JP2010091230A (en) | Ventilation device | |
| JP2006234246A (en) | Air-conditioner | |
| CN214895674U (en) | Testing device for automatically detecting acousto-optic control switch | |
| JP3529595B2 (en) | Air conditioner | |
| CN205448181U (en) | Intelligence air filter screen detects device of function | |
| CN213577982U (en) | Filter screen assembly and air conditioner | |
| CN211511644U (en) | Starting detection device of dust removal instrument and dust collector | |
| CN209828515U (en) | Intelligent filter screen replacement prompting device | |
| US8193752B2 (en) | Actuator assembly having operation indication function | |
| JP4110700B2 (en) | DC conversion power supply short circuit detection circuit | |
| JP6698932B1 (en) | Surge counter | |
| CN210274134U (en) | Protocol converter convenient to dismantle | |
| WO2019236573A1 (en) | Event monitoring solenoid actuator, system, and method | |
| JP2007147181A (en) | Air conditioner | |
| JPH0674481A (en) | Air-conditioner | |
| JP3136136B2 (en) | Gas meter manufacturing method | |
| CN218630098U (en) | Intelligent fuse for street lamp | |
| CN214921235U (en) | Wire feeding detection device of welding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |