CN208382465U - The cleaning system of air conditioner and air conditioner - Google Patents
The cleaning system of air conditioner and air conditioner Download PDFInfo
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- CN208382465U CN208382465U CN201820957114.9U CN201820957114U CN208382465U CN 208382465 U CN208382465 U CN 208382465U CN 201820957114 U CN201820957114 U CN 201820957114U CN 208382465 U CN208382465 U CN 208382465U
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- water pump
- air conditioner
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Abstract
The utility model proposes a kind of air conditioner and the cleaning system of air conditioner, the cleaning system includes: inlet pipeline；Cleaning assembly, cleaning assembly clean the device to be cleaned of air conditioner；DC water pump, the entrance of DC water pump is connected with inlet pipeline, and the outlet of DC water pump is connected with cleaning assembly, the first power supply terminal ground connection of DC water pump, the second source terminal of DC water pump is connected with default power supply, and the cleaning solution in inlet pipeline is pumped to cleaning assembly by DC water pump；State detection circuit, state detection circuit is connected between the first power supply terminal of DC water pump and ground, the operating current of state detection circuit detection DC water pump, to determine the working condition of DC water pump, thus, it is possible to real-time detection DC water pump working condition, prevent the case where generating DC water pump idle running in the process of cleaning, guarantee that DC water pump operates normally, while detecting the failures such as the water shortage of cleaning system, water-pipe blockage, and can be user feedback relevant information.
Description
Technical field
The utility model relates to air conditioner technical field more particularly to the cleaning systems and a kind of air-conditioning of a kind of air conditioner
Device.
Background technique
In the related technology, part air conditioner has the cleaning system cleaned to components such as evaporators, wherein cleaning system
System is usually realized by water pump and is cleaned.But the relevant technologies have problems in that, do not detect the working condition of water pump, are easy
There is the case where water pump idle running.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.
For this purpose, first purpose of the utility model is to propose a kind of cleaning system of air conditioner, can effectively detect
DC water pump working condition prevents the case where generating DC water pump idle running in the process of cleaning.
Second purpose of the utility model is to propose a kind of air conditioner.
In order to achieve the above object, the utility model first aspect proposes a kind of cleaning system of air conditioner, comprising: water inlet pipe
Road；Cleaning assembly, the cleaning assembly clean the device to be cleaned of the air conditioner；DC water pump, the direct current water
The entrance of pump is connected with the inlet pipeline, and the outlet of the DC water pump is connected with the cleaning assembly, the direct current
First power supply terminal of water pump is grounded, and the second source terminal of the DC water pump is connected with default power supply, the DC water pump
Cleaning solution in the inlet pipeline is pumped to the cleaning assembly；State detection circuit, the state detection circuit connection
Between the first power supply terminal and the ground of the DC water pump, the state detection circuit detects the work of the DC water pump
Make electric current, with the working condition of the determination DC water pump.
According to the utility model proposes air conditioner cleaning system, DC water pump by inlet pipeline cleaning solution pump
To cleaning assembly, the operating current of DC water pump is detected by state detection circuit, to determine the working condition of DC water pump, from
And can real-time detection DC water pump working condition, the case where preventing from generating DC water pump idle running in the process of cleaning, guarantee straight
Flowing water pump operates normally, while detecting the failures such as the water shortage of cleaning system, water-pipe blockage, and can believe for user feedback correlation
Breath, preferably experience of the raising user to cleaning air conditioner process.
Further, the state detection circuit includes: test side；Current detecting unit, the current detecting unit connect
Connect the first power supply terminal in the DC water pump and described, the output end of the current detecting unit and the test side phase
Even, the current detecting unit detects the operating current of the DC water pump, and by the test side output test result, with
For determining the working condition of the DC water pump.
Further, the state detection circuit further include: receive the receiving end of control signal；Controllable switch components, institute
Controllable switch components are stated to be connected between the current detecting unit and the first power supply terminal of the DC water pump, it is described controllable
The control terminal of switch block is connected with the receiving end, and the controllable switch components control institute under the control of said control signal
It states DC water pump to open or close, the current detecting unit detects the work of the DC water pump when the DC water pump is opened
Make electric current.
Further, the current detecting unit includes sampling resistor or current transformer.
Further, the state detection circuit further includes the output end for being connected to the current detecting unit and the inspection
The filter circuit between end is surveyed, the filter circuit includes: first resistor, one end of the first resistor and the current detecting
The output end of unit is connected, and the other end of the first resistor is connected with the test side；First capacitor, the first capacitor
One end is connected with the other end of the first resistor, the other end ground connection of the first capacitor.
Further, the controllable switch components include triode, metal-oxide-semiconductor or relay.
Further, the cleaning system of the air conditioner further includes diode, the cathode of the diode and described straight
The second source terminal of flowing water pump is connected with the default power supply, the first electricity of the anode of the diode and the DC water pump
Source terminal is connected.
Further, the cleaning assembly includes: water tank, and the water tank is connected with the outlet of the DC water pump；Leaching
Water portion, the water drenching portion are connected with the water tank, and the water drenching portion is arranged on the device to be cleaned, the direct current water
Cleaning solution in the inlet pipeline is pumped to the water tank by pump, and passes through water drenching portion spray to the device to be cleaned
On；Drainage Division, the Drainage Division are arranged under the device to be cleaned, and spray is arrived the device to be cleaned by the Drainage Division
On cleaning solution discharge.
Further, the default power supply is 12V.
In order to achieve the above object, the utility model second aspect proposes a kind of air conditioner, including the clear of the air conditioner
Wash system.
According to the utility model proposes air conditioner being capable of real-time detection DC water pump work by cleaning system above-mentioned
Make state, prevent the case where generating DC water pump idle running in the process of cleaning, guarantee that DC water pump operates normally, while detecting clear
The failures such as water shortage, the water-pipe blockage of system are washed, and can be user feedback relevant information, preferably raising user is to cleaning air conditioner
The experience of process.
The additional aspect of the utility model and advantage will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The utility model is above-mentioned and/or additional aspect and advantage from the following description of the accompanying drawings of embodiments will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the block diagram according to the cleaning system of the air conditioner of the utility model embodiment；
Fig. 2 is the circuit diagram according to the cleaning system of the air conditioner of the utility model one embodiment；
Fig. 3 is the structural schematic diagram according to the cleaning system of the air conditioner of the utility model one embodiment；
Fig. 4 is the block diagram according to the air conditioner of the utility model embodiment.
Appended drawing reference:
Inlet pipeline 10, cleaning assembly 20, DC water pump 30, state detection circuit 40, device to be cleaned 1, default power supply
VCC；
Test side Sense, receiving end Control, current detecting unit 41, controllable switch components 42, sampling resistor R6, filter
Wave circuit 401, first resistor R5, first capacitor C1, triode Q1, current-limiting resistance R3, diode D1；
Water tank 21, water drenching portion 22, Drainage Division 23；
The cleaning system 200 of air conditioner 100 and air conditioner.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
Below with reference to the accompanying drawings the air conditioner of the utility model embodiment and the cleaning system of air conditioner are described.
Fig. 1 is the block diagram according to the cleaning system of the air conditioner of the utility model embodiment.As shown in Figure 1-3,
Cleaning system includes: inlet pipeline 10, cleaning assembly 20, DC water pump 30 and state detection circuit 40.
Wherein, cleaning assembly 20 cleans such as evaporator of device to be cleaned 1 of air conditioner；DC water pump 30 enters
Mouth is connected with inlet pipeline 10, and the outlet of DC water pump 30 is connected with cleaning assembly 20, the first power supply of DC water pump 30
Terminal ground, the second source terminal of DC water pump 30 are connected with default power supply VCC, wherein and default power supply VCC can be+12V,
Cleaning solution in inlet pipeline 10 is pumped to cleaning assembly 20 by DC water pump 30；State detection circuit 40 is connected to DC water pump
Between 30 the first power supply terminal and ground, state detection circuit 40 detects the operating current of DC water pump 30, to determine direct current water
The working condition of pump 30.
That is, can control DC water pump 30 to open when air conditioner carries out self-cleaning, DC water pump 30 can after opening
Cleaning solution in inlet pipeline 10 such as water is pumped to cleaning assembly 20, cleaning assembly 20 can be used cleaning solution to be cleaned
Position is cleaned.During self-cleaning, state detection circuit 40 can detect the operating current of DC water pump 30, for true
Determine the working condition of DC water pump 30.For example, the controller of air conditioner can determine direct current according to the operating current of DC water pump 30
The working condition of water pump 30, thus, it is possible to which real-time detection DC water pump working condition, prevents from generating direct current water in the process of cleaning
The case where pump idle running, guarantees that DC water pump operates normally, and the event of cleaning system is determined according to the working condition of DC water pump 30
Hinder situation, i.e., whether send the failures such as water shortage, water inlet water-pipe blockage, and letter is reminded in the sending of control reminding unit when failure occurs
Breath, so as to be user feedback relevant information, preferably experience of the raising user to cleaning air conditioner process.
Specifically, as shown in figure 3, cleaning assembly 20 includes: water tank 21, water drenching portion 22 and Drainage Division 23, wherein water tank 21
It is connected with the outlet of DC water pump 30；Water drenching portion 22 is connected with water tank 21, water drenching portion 22 setting device 1 to be cleaned it
On, the cleaning solution in inlet pipeline 10 is pumped to water tank 21 by DC water pump 30, and arrives dress to be cleaned by the spray of water drenching portion 22
It sets on 1；Drainage Division 23 is arranged under device 1 to be cleaned, and Drainage Division 23 will spray to the cleaning solution on device 1 to be cleaned and arrange
Out.
It is understood that DC water pump 30 is opened when air conditioner carries out self-cleaning, DC water pump 30 will be flowed into and be intake
The cleaning solution of pipeline 10 is pumped to water tank 21, then cleaning solution is provided to water drenching portion 22 by water tank 21, and water drenching portion 22 can incite somebody to action
Cleaning solution is sprayed to device 1 to be cleaned, is cleaned with treating such as evaporator of cleaning device 1.Cleaning solution is to dress to be cleaned
It sets 1 cleaning and flows into Drainage Division 23, and be discharged by Drainage Division 23, hereby it is achieved that the self-cleaning of air conditioner.
Specifically, as shown in Fig. 2, state detection circuit 40 includes: test side Sense and current detecting unit 41, wherein
Current detecting unit 41 is connected to the first power supply terminal and ground, the output end of current detecting unit 41 and the detection of DC water pump 30
Sense is held to be connected, current detecting unit 41 detects the operating current of DC water pump 30, and passes through test side Sense output detection
As a result, with for determining the working condition of DC water pump 30.
Thereby, it is possible to judge the working condition of DC water pump 30 simple and easyly.
More specifically, current detecting unit 41 includes sampling resistor R6 or current transformer.
For example, as shown in Fig. 2, when flowing detection unit includes sampling resistor R6, one end of sampling resistor R6 and direct current water
First power supply terminal of pump 30 is connected, the other end of sampling resistor R6 ground connection, one end of sampling resistor R6 also with test side Sense
It is connected.As a result, by sampling resistor R6, voltage signal, i.e. electric current can will be converted to by the current signal of DC water pump 30
Detection unit 41 output end output sampled signal can be voltage signal, but and then the voltage signal and DC water pump 30 work
Make that electric current is corresponding, the operating current of DC water pump 30 can be determined by the voltage signal.
Alternatively, when flowing detection unit includes current transformer, one end of the primary coil of current transformer and direct current water
First power supply terminal of pump 30 is connected, the other end ground connection of the primary coil of current transformer, the secondary coil of current transformer
One end be connected with test side Sense, the other end of the secondary coil of current transformer ground connection.Pass through current transformer as a result,
Another current signal, i.e. the output end output of current detecting unit 41 can will be converted to by the current signal of DC water pump 30
Sampled signal can be current signal, and then by detect another current signal can determine DC water pump 30 work electricity
Stream.
More specifically, as shown in Fig. 2, state detection circuit 40 further include be connected to the output end of current detecting unit 41 with
Filter circuit 401 between the Sense of test side, filter circuit 401 include: first resistor R5 and first capacitor C1.Wherein, first
One end of resistance R5 is connected with the one end the output end of current detecting unit 41, that is, sampling resistor R6, the other end of first resistor R5
It is connected with test side Sense；One end of first capacitor C1 is connected with the other end of first resistor R5, the other end of first capacitor C1
Ground connection.
First resistor R5 and first capacitor C1 forms RC filter circuit 401 as a result, can be to the output of current detecting unit 41
The sampled signal of end output is filtered.
Further, as shown in Figure 1, state detection circuit 40 further include: receiving end Control and controllable switch components
42, wherein receiving end Control receives control signal；Controllable switch components 42 are connected to current detecting unit 41 and direct current water
Between first power supply terminal of pump 30, the control terminal of controllable switch components 42 is connected with receiving end Control, controllable switch components
42 control DC water pump 30 under control of the control signal opens or closes, and current detecting unit 41 is when DC water pump 30 is opened
Detect the operating current of DC water pump 30.That is, can control the switch shape of DC water pump 30 by controllable switch components 42
State.
Specifically, controllable switch components 42 include but is not limited to triode Q1, metal-oxide-semiconductor or relay.For example, such as Fig. 2 institute
Show, by taking triode Q1Q1 as an example, the collector of triode Q1Q1 is connected with the first power supply terminal of DC water pump 30, triode
The emitter of Q1Q1 is grounded by such as sampling resistor R6 of current detecting unit 41, and the base stage of triode Q1Q1 can be with receiving end
Control is connected.More specifically, the base stage of triode Q1Q1 can be connected by current-limiting resistance R3 with receiving end Control, current limliting
Resistance R3 can limit the electric current for flowing into triode Q1Q1.
It is understood that when the base stage of triode Q1Q1 receives high voltage, triode Q1Q1 conducting, DC water pump
30 open, and current detecting unit 41 can detect the operating current of DC water pump 30, when the base stage of triode Q1Q1 receives low electricity
When pressure, triode Q1Q1 shutdown, DC water pump 30 is closed, and current detecting unit 41 no longer detects the work electricity of DC water pump 30
Stream.Controller can control DC water pump 30 to open by triode Q1Q1 as a result, and pass through electricity when DC water pump 30 is opened
Flow the operating current that detection unit 41 detects DC water pump 30.
Further, as shown in Fig. 2, the cleaning system of air conditioner further includes diode D1, the cathode of diode D1 and straight
The second source terminal of flowing water pump 30 is connected with default power supply VCC, the anode of diode D1 and the first power supply of DC water pump 30
Terminal is connected.It is understood that diode D1 is the freewheeling diode of water pump, afterflow is provided when can close for DC water pump 30
Circuit.
In conjunction with the embodiment of Fig. 2, the state-detection process of the cleaning system of the utility model embodiment is as follows:
After the controller control DC water pump 30 of air conditioner is opened, direct current water is passed through by the detection of current detecting unit 41
The operating current Isense of pump 30, i.e. Isense=Vsense/R6, Vsense are the voltage of test side Sense, and R6 is sampling electricity
Hinder the resistance value of R6；After detecting by n times (n is more than or equal to 1), the current average of the operating current of DC water pump 30 is calculated
Ir, i.e. Ir=∑ Isense/n.When current average Ir is more than or equal to running current value Ie=In-x, direct current water is judged
Pump 30 is in normal operating conditions, wherein In is the rated operational current of DC water pump 30, and x is the specified electricity of DC water pump 30
Stream error value.
When current average Ir is less than running current value Ie=In-x, further whether current average Ir is judged
Less than unloaded operation electric current Iz=Io+y, if current average Ir is less than unloaded operation electric current Iz, be judged as unloaded, i.e., into
10 water shortage of water lines is judged as that inlet pipeline 10 is blocked if current average Ir is more than or equal to unloaded operation electric current Iz.
In addition, after detecting that current average Ir is excessive, such as when Ir > 2Ie, then can prompt the electricity of DC water pump 30
Machine damage.
Thus, it is possible to judge the working condition of DC water pump 30 by above method, user is prompted to carry out adding water, clean water
The related works such as pipe.
To sum up, the cleaning system of the air conditioner proposed according to the utility model embodiment, DC water pump will be in inlet pipeline
Cleaning solution be pumped to cleaning assembly, by state detection circuit detect DC water pump operating current, to determine DC water pump
Working condition prevent from generating DC water pump idle running in the process of cleaning thus, it is possible to real-time detection DC water pump working condition
The case where, guarantee that DC water pump operates normally, while detecting the failures such as the water shortage of cleaning system, water-pipe blockage, and can be use
Family feedback-related information, preferably experience of the raising user to cleaning air conditioner process.
To realize above-described embodiment, the present invention also proposes can a kind of air conditioner.
Fig. 4 is the block diagram of air conditioner according to an embodiment of the present invention.As shown in figure 4, air conditioner 100 includes aforementioned
The cleaning system 200 of the air conditioner of embodiment.
It being capable of real-time detection direct current by cleaning system above-mentioned according to the air conditioner that the utility model embodiment proposes
Pump working state prevents the case where generating DC water pump idle running in the process of cleaning, guarantees that DC water pump operates normally, simultaneously
The failures such as water shortage, the water-pipe blockage of cleaning system are detected, and can be user feedback relevant information, preferably raising user is to sky
Adjust the experience of cleaning process.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. a kind of cleaning system of air conditioner characterized by comprising
Inlet pipeline；
Cleaning assembly, the cleaning assembly clean the device to be cleaned of the air conditioner；
DC water pump, the entrance of the DC water pump are connected with the inlet pipeline, the outlet of the DC water pump with it is described
Cleaning assembly is connected, the first power supply terminal of DC water pump ground connection, the second source terminal of the DC water pump and pre-
If power supply is connected, the cleaning solution in the inlet pipeline is pumped to the cleaning assembly by the DC water pump；
State detection circuit, the state detection circuit are connected to the first power supply terminal and the ground of the DC water pump
Between, the state detection circuit detects the operating current of the DC water pump, with the working condition of the determination DC water pump.
2. the cleaning system of air conditioner according to claim 1, which is characterized in that the state detection circuit includes:
Test side；
Current detecting unit, the current detecting unit are connected to the first power supply terminal of the DC water pump with described, institute
The output end for stating current detecting unit is connected with the test side, and the current detecting unit detects the work of the DC water pump
Electric current, and by the test side output test result, for determining the working condition of the DC water pump.
3. the cleaning system of air conditioner according to claim 2, which is characterized in that the state detection circuit further include:
Receive the receiving end of control signal；
Controllable switch components, the controllable switch components are connected to the first electricity of the current detecting unit and the DC water pump
Between source terminal, the control terminal of the controllable switch components is connected with the receiving end, and the controllable switch components are in the control
It controls the DC water pump under the control of signal processed to open or close, the current detecting unit is when the DC water pump is opened
Detect the operating current of the DC water pump.
4. the cleaning system of air conditioner according to claim 2, which is characterized in that the current detecting unit includes sampling
Resistance or current transformer.
5. the cleaning system of air conditioner according to claim 4, which is characterized in that the state detection circuit further includes connecting
The filter circuit between the output end and the test side of the current detecting unit is connect, the filter circuit includes:
First resistor, one end of the first resistor are connected with the output end of the current detecting unit, the first resistor
The other end is connected with the test side；
First capacitor, one end of the first capacitor are connected with the other end of the first resistor, the first capacitor it is another
End ground connection.
6. the cleaning system of air conditioner according to claim 3, which is characterized in that the controllable switch components include three poles
Pipe, metal-oxide-semiconductor or relay.
7. the cleaning system of air conditioner according to claim 1, which is characterized in that it further include diode, the diode
Cathode be connected with the second source terminal of the DC water pump and the default power supply, the anode of the diode and described straight
First power supply terminal of flowing water pump is connected.
8. the cleaning system of air conditioner according to claim 1, which is characterized in that the cleaning assembly includes:
Water tank, the water tank are connected with the outlet of the DC water pump；
Water drenching portion, the water drenching portion are connected with the water tank, and the water drenching portion is arranged on the device to be cleaned, described
Cleaning solution in the inlet pipeline is pumped to the water tank by DC water pump, and is sprayed to described by the water drenching portion to clear
On cleaning device；
Drainage Division, the Drainage Division are arranged under the device to be cleaned, and spray is arrived the dress to be cleaned by the Drainage Division
The cleaning solution discharge set.
9. the cleaning system of air conditioner according to claim 1, which is characterized in that the default power supply is 12V.
10. a kind of air conditioner, which is characterized in that the cleaning system including air conditioner according to claim 1 to 9
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820957114.9U CN208382465U (en) | 2018-06-20 | 2018-06-20 | The cleaning system of air conditioner and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820957114.9U CN208382465U (en) | 2018-06-20 | 2018-06-20 | The cleaning system of air conditioner and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208382465U true CN208382465U (en) | 2019-01-15 |
Family
ID=64967747
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820957114.9U Active CN208382465U (en) | 2018-06-20 | 2018-06-20 | The cleaning system of air conditioner and air conditioner |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648288A (en) * | 2020-05-06 | 2020-09-11 | 徐州徐工环境技术有限公司 | Cleaning vehicle dust absorption pipe anti-blocking device based on pressure detection and control system |
| CN112664998A (en) * | 2021-01-11 | 2021-04-16 | 青岛海信日立空调系统有限公司 | Multi-connected heat pump water heating system and control method thereof |
| CN114379514A (en) * | 2021-12-13 | 2022-04-22 | 东风汽车集团股份有限公司 | Cleaning device and method for collection assembly, vehicle and computer storage medium |
-
2018
- 2018-06-20 CN CN201820957114.9U patent/CN208382465U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648288A (en) * | 2020-05-06 | 2020-09-11 | 徐州徐工环境技术有限公司 | Cleaning vehicle dust absorption pipe anti-blocking device based on pressure detection and control system |
| CN112664998A (en) * | 2021-01-11 | 2021-04-16 | 青岛海信日立空调系统有限公司 | Multi-connected heat pump water heating system and control method thereof |
| CN114379514A (en) * | 2021-12-13 | 2022-04-22 | 东风汽车集团股份有限公司 | Cleaning device and method for collection assembly, vehicle and computer storage medium |
| CN114379514B (en) * | 2021-12-13 | 2023-10-20 | 东风汽车集团股份有限公司 | Cleaning device and method for acquisition component, vehicle and computer storage medium |
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