CN105928133A - Device and method for precisely detecting, alarming and removing sundries of air conditioner outdoor unit - Google Patents
Device and method for precisely detecting, alarming and removing sundries of air conditioner outdoor unit Download PDFInfo
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- CN105928133A CN105928133A CN201610239669.5A CN201610239669A CN105928133A CN 105928133 A CN105928133 A CN 105928133A CN 201610239669 A CN201610239669 A CN 201610239669A CN 105928133 A CN105928133 A CN 105928133A
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- outdoor unit
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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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/22—Cleaning ducts or apparatus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a device for precisely detecting, alarming and removing sundries of an air conditioner outdoor unit. The device comprises an air speed detecting device, a Zigbee module, a central control device, a sweeping device and an alarming device, wherein the air speed detecting device is connected with the Zigbee module; the Zigbee module is connected with a signal input end of the central control device via a Zigbee wireless network; a signal output end of the central control device is connected with the alarming device; a control end of the central control device is connected with the sweeping device; the air speed detecting device is arranged on the inner side of an air conditioner outdoor unit condenser and comprises a plurality of air speed instruments which are arranged as a matrix; the sweeping device is arranged on the outer side of the air conditioner outdoor unit condenser and comprises a spiral reciprocating type mechanical traveling arm brush and a motor. The invention also discloses a method for precisely detecting, alarming and removing sundries of an air conditioner outdoor unit. The device for precisely detecting, alarming and removing sundries of the air conditioner outdoor unit is simple in principle and powerful in implementable functions; the operation effect of the air conditioner is improved; the service life of the air conditioner is prolonged; the safe and stable operation of a machine room is guaranteed.
Description
Technical field
The present invention relates to cleaning and the alarm technique field of air-conditioner outdoor unit, specifically a kind of air-conditioner outdoor unit foreign material Precision measurement is reported to the police and is removed device and method.
Background technology
Precise machine room air conditioner work is most important to data center machine room safe and stable operation.Owing to Shandong is in Northern Part of China, willow, willow are chief species, the situation that willow wadding is disorderly is arisen that whenever spring, willow catkins flying in the air are adsorbed onto on outdoor unit of precision air conditioner condenser, air-conditioning heat dissipation can be caused the most smooth, cause air-conditioning alarm for high voltage, cause air-conditioning to stop refrigeration, computer room safety is run and causes hidden trouble.
Summary of the invention
In order to solve the problems referred to above, the invention provides a kind of air-conditioner outdoor unit foreign material Precision measurement warning and remove device and method.
The present invention solves its technical problem and is adopted the technical scheme that: a kind of air-conditioner outdoor unit foreign material Precision measurement is reported to the police and removed device, including air-conditioner outdoor unit, also includes wind speed detection device, Zigbee module, central control unit, clearing apparatus and alarm device；Described wind speed detection device is connected with Zigbee module；Described Zigbee module is connected with the signal input part of central control unit by Zigbee wireless network, and the signal output part of central control unit is connected with alarm device, and the control end of central control unit is connected with clearing apparatus；Described wind speed detection device is bolted on the inner side of condenser for outdoor unit of air conditioner, including multiple anemobiagraphs arranged in arrays；Described clearing apparatus is arranged on the outside of condenser for outdoor unit of air conditioner, walks arm hairbrush including spiral reciprocating type machinery and controls spiral reciprocating type machinery and walk the motor of arm hairbrush；Described clearing apparatus is connected fixing with air-conditioner outdoor unit by slide.
Further, described alarm device includes audible-visual annunciator.
Further, described central control unit includes wireless communication line, main control chip circuit, gsm module, bang-bang circuit and signal amplification circuit；Described wireless communication line receives the wireless signal that Zigbee module sends, the input of main control chip circuit is connected with the outfan of wireless communication line, the signal transmission ends of described main control chip circuit is connected with gsm module, the control end of main control chip circuit is connected with bang-bang circuit, the outfan of main control chip is connected with the input of signal amplification circuit, and the outfan of signal amplification circuit is connected with audible-visual annunciator.
Further, described wireless communication line includes CC2420 chip circuit.
nullFurther，Described main control chip circuit includes atmega128 chip，The PD4 pin of described atmega128 chip is connected with the SFD pin of CC2420 chip，The PD6 pin of atmega128 chip is connected with the CCA pin of CC2420 chip，The PE4 pin of atmega128 chip is connected with the FIFOP pin of CC2420 chip，The PB7 pin of atmega128 chip is connected with the FIFO pin of CC2420 chip，The PB0 pin of atmega128 chip is connected with the CSn pin of CC2420 chip，The PB1 pin of atmega128 chip is connected with the SLCK pin of CC2420 chip，The PB2 pin of atmega128 chip is connected with the SI pin of CC2420 chip，The PB3 pin of atmega128 chip is connected with the SO pin of CC2420 chip.
Further, the GND pin of described gsm module is connected with the GND pin of atmega128 chip, the VCC pin of gsm module is connected with the VCC pin of atmega128 chip, the RXD pin of gsm module is connected with the RXD0 pin of atmega128 chip, and the TXD pin of gsm module is connected with the TXD0 pin of atmega128 chip.
Further, described bang-bang circuit includes resistance R1, audion Q1, diode D1 and relay K M；One end of described resistance R1 is connected with the PA3 pin of atmega128 chip, the other end of resistance R1 is connected with the base stage of audion Q1, the emitter stage of audion Q1 is connected with one end of relay K M coil and the positive pole of diode D1 respectively, the other end of relay K M coil is connected with the negative pole of diode D1 and connects+5V voltage, the grounded collector of audion Q1；The start-stop button that the normally opened contact km of described relay K M walks arm hair brush motor with spiral reciprocating type machinery is connected.
Further, described signal amplification circuit includes resistance R2, resistance R3, electric capacity C1, electric capacity C2, electric capacity C3 and operational amplifier LM380；One end of described resistance R2 is connected with the PA4 pin of atmega128 chip, the other end of resistance R2 one end with one end, one end of resistance R3 and the electric capacity C2 of electric capacity C1 respectively is connected and is connected with the in-phase input end of operational amplifier LM380, the other end of electric capacity C1 is connected with the inverting input of operational amplifier LM380 and ground connection, the other end of resistance R3, the other end of electric capacity C2 are connected with the outfan of operational amplifier LM380 with one end of electric capacity C3, and the other end of electric capacity C3 is connected with audible-visual annunciator.
Further, described track is arranged on the side of condenser, and the shape of track is identical with the geometry in condenser cross section.
A kind of air-conditioner outdoor unit foreign material Precision measurement warning sweep-out method, uses a kind of air-conditioner outdoor unit foreign material Precision measurement to report to the police and removes device, comprise the following steps:
Step 1), wind speed detection device gather air-conditioner outdoor unit heat radiation wind speed；
Step 2), Zigbee module wind speed detection device is collected air-conditioner outdoor unit heat radiation wind speed be sent to central control unit by wireless network；
Step 3), central control unit judge the size of the heat radiation wind speed and the wind speed preset value that receive, if the heat radiation wind speed received is more than or equal to wind speed preset value, then end operation；If the heat radiation wind speed received is less than wind speed preset value, then perform step 4) operation；
Step 4), central control unit control spiral reciprocating type machinery walk arm hair brush motor start, spiral reciprocating type machinery walk arm hairbrush carry out clear up fin；
Step 5), central control unit judge the size of the heat radiation wind speed and the wind speed preset value that receive, if the heat radiation wind speed received is more than or equal to wind speed preset value, then end operation；If the heat radiation wind speed received is less than wind speed preset value, then continue executing with step 4) operation, until the heat radiation wind speed received is more than or equal to wind speed preset value.
The invention has the beneficial effects as follows: a kind of air-conditioner outdoor unit foreign material Precision measurement that the present invention provides is reported to the police and removed device and method, the wind speed detection device using anemobiagraph arranged in arrays to form is used for detecting the wind speed of condenser for outdoor unit of air conditioner, detecting wind speed compared to a bit, the wind speed information that the present invention gathers is more accurate.
The present invention uses Zigbee module to carry out wireless data transmission, solves a difficult problem for difficult wiring at condenser, and the power that Zigbee protocol communication consumes is low, reduces operation cost.
The present invention uses the wireless communication line in central control unit to receive the wind speed information that wind speed detection device collects, wind speed information is decoupled and processes by main control chip circuit, when the wind speed collected is less than wind speed set in advance, main control chip circuit controls bang-bang circuit startup spiral reciprocating type machinery and walks arm hairbrush, spiral reciprocating type machinery is walked arm hairbrush and is started to be cleared up fin by mode to left and right up and down, it is achieved that the multi-faceted cleaning without dead angle；Simultaneously, on the one hand the alarm signal that main control chip circuit sends is sent to attendant by the way of gsm module is with note or mail, on the other hand report to the police with the form of sound and light after alarm signal being amplified by signal amplification circuit, achieve the warning of various ways, make warning message more accurate.
The present invention improves the operational effect of air-conditioning, increases the service life, and ensures computer room safety stable operation.
Accompanying drawing explanation
Fig. 1 is the function structure chart of the present invention；
Fig. 2 is the structure connection figure of central control unit of the present invention；
Fig. 3 is the circuit diagram of wireless communication line of the present invention；
Fig. 4 is the circuit diagram of main control chip circuit of the present invention；
Fig. 5 is the circuit diagram of gsm module of the present invention；
Fig. 6 is the circuit diagram of bang-bang circuit of the present invention；
Fig. 7 is the circuit diagram of signal amplification circuit of the present invention；
Fig. 8 is that the present invention detects warning sweep-out method block diagram.
Detailed description of the invention
As shown in Figures 1 to 7, the present invention includes wind speed detection device, Zigbee module, central control unit, clearing apparatus and alarm device.
As it is shown in figure 1, wind speed detection device is arranged on the inner side of condenser for outdoor unit of air conditioner and is connected with Zigbee module；Zigbee module is connected with the signal input part of central control unit by Zigbee wireless network, and the signal output part of central control unit is connected with alarm device, and the control end of central control unit is connected with clearing apparatus.Wind speed detection device is arranged on the inner side of condenser for outdoor unit of air conditioner, including multiple anemobiagraphs arranged in arrays；The wind speed detection device using anemobiagraph arranged in arrays to form is used for detecting the wind speed of condenser for outdoor unit of air conditioner, detects wind speed compared to a bit, and the wind speed information that the present invention gathers is more accurate.Clearing apparatus is arranged on the outside of condenser for outdoor unit of air conditioner, walk arm hairbrush including spiral reciprocating type machinery and control spiral reciprocating type machinery and walk the motor of arm hairbrush, spiral reciprocating type machinery is walked arm hairbrush and is started to be cleared up fin by mode to left and right up and down, clearing apparatus is connected fixing with air-conditioner outdoor unit by slide, track is arranged on the side of condenser, and the shape of track is identical with the geometry in condenser cross section, it is achieved that the multi-faceted cleaning without dead angle；Alarm device includes audible-visual annunciator.
As in figure 2 it is shown, central control unit includes wireless communication line, main control chip circuit, gsm module, bang-bang circuit and signal amplification circuit；Wireless communication line receives the wireless signal that Zigbee module sends, the input of main control chip circuit is connected with the outfan of wireless communication line, the signal transmission ends of main control chip circuit is connected with gsm module, the control end of main control chip circuit is connected with bang-bang circuit, the outfan of main control chip is connected with the input of signal amplification circuit, and the outfan of signal amplification circuit is connected with audible-visual annunciator.Zigbee module carries out wireless data transmission, solves a difficult problem for difficult wiring at condenser, and the power that Zigbee protocol communication consumes is low, reduces operation cost.
As it is shown on figure 3, wireless communication line includes CC2420 chip circuit.
nullAs shown in Figure 4，Main control chip circuit includes atmega128 chip，The PD4 pin of described atmega128 chip is connected with the SFD pin of CC2420 chip，The PD6 pin of atmega128 chip is connected with the CCA pin of CC2420 chip，The PE4 pin of atmega128 chip is connected with the FIFOP pin of CC2420 chip，The PB7 pin of atmega128 chip is connected with the FIFO pin of CC2420 chip，The PB0 pin of atmega128 chip is connected with the CSn pin of CC2420 chip，The PB1 pin of atmega128 chip is connected with the SLCK pin of CC2420 chip，The PB2 pin of atmega128 chip is connected with the SI pin of CC2420 chip，The PB3 pin of atmega128 chip is connected with the SO pin of CC2420 chip.
As shown in Figure 5, the GND pin of gsm module is connected with the GND pin of atmega128 chip, the VCC pin of gsm module is connected with the VCC pin of atmega128 chip, the RXD pin of gsm module is connected with the RXD0 pin of atmega128 chip, and the TXD pin of gsm module is connected with the TXD0 pin of atmega128 chip.
As shown in Figure 6, bang-bang circuit includes resistance R1, audion Q1, diode D1 and relay K M；One end of described resistance R1 is connected with the PA3 pin of atmega128 chip, the other end of resistance R1 is connected with the base stage of audion Q1, the emitter stage of audion Q1 is connected with one end of relay K M and the positive pole of diode D1 respectively, the other end of relay K M is connected with the negative pole of diode D1 and connects+5V voltage, the grounded collector of audion Q1；The normally opened contact km of described relay K M controls spiral reciprocating type machinery and walks the start and stop of arm hair brush motor.
As it is shown in fig. 7, signal amplification circuit includes resistance R2, resistance R3, electric capacity C1, electric capacity C2, electric capacity C3 and operational amplifier LM380；One end of described resistance R2 is connected with the PA4 pin of atmega128 chip, the other end of resistance R2 one end with one end, one end of resistance R3 and the electric capacity C2 of electric capacity C1 respectively is connected and is connected with the in-phase input end of operational amplifier LM380, the other end of electric capacity C1 is connected with the inverting input of operational amplifier LM380 and ground connection, the other end of resistance R3, the other end of electric capacity C2 are connected with the outfan of operational amplifier LM380 with one end of electric capacity C3, and the other end of electric capacity C3 is connected with audible-visual annunciator.
Wireless communication line in central control unit receives the wind speed information that wind speed detection device collects, wind speed information is decoupled and processes by main control chip circuit, when the wind speed collected is less than wind speed set in advance, main control chip circuit controls bang-bang circuit startup spiral reciprocating type machinery and walks arm hairbrush, spiral reciprocating type machinery is walked arm hairbrush and is started to be cleared up fin by mode to left and right up and down, it is achieved that the multi-faceted cleaning without dead angle；Simultaneously, on the one hand the alarm signal that main control chip circuit sends is sent to attendant by the way of gsm module is with note or mail, on the other hand report to the police with the form of sound and light after alarm signal being amplified by signal amplification circuit, achieve the warning of various ways, make warning message more accurate, the present invention improves the operational effect of air-conditioning, increases the service life, and ensures computer room safety stable operation.
As shown in Figure 8, a kind of air-conditioner outdoor unit foreign material Precision measurement warning sweep-out method, use a kind of air-conditioner outdoor unit foreign material Precision measurement to report to the police and remove device, it is characterized in that, comprise the following steps:
Step 1), wind speed detection device gather air-conditioner outdoor unit heat radiation wind speed；
Step 2), Zigbee module wind speed detection device is collected air-conditioner outdoor unit heat radiation wind speed be sent to central control unit by wireless network；
Step 3), central control unit judge the size of the heat radiation wind speed and the wind speed preset value that receive, if the heat radiation wind speed received is more than or equal to wind speed preset value, then end operation；If the heat radiation wind speed received is less than wind speed preset value, then perform step 4) operation；
Step 4), central control unit control spiral reciprocating type machinery walk arm hair brush motor start, spiral reciprocating type machinery walk arm hairbrush carry out clear up fin；
Step 5), central control unit judge the size of the heat radiation wind speed and the wind speed preset value that receive, if the heat radiation wind speed received is more than or equal to wind speed preset value, then end operation；If the heat radiation wind speed received is less than wind speed preset value, then continue executing with step 4) operation, until the heat radiation wind speed received is more than or equal to wind speed preset value.
Although the detailed description of the invention of the present invention is described by the above-mentioned accompanying drawing that combines; but not limiting the scope of the invention; on the basis of technical scheme, those skilled in the art need not to pay various amendments or deformation that creative work can make still within protection scope of the present invention.
Claims (10)
1. air-conditioner outdoor unit foreign material Precision measurement is reported to the police and is removed a device, including air-conditioner outdoor unit, its
Feature is, also include wind speed detection device, Zigbee module, central control unit, clearing apparatus and
Alarm device；Described wind speed detection device is connected with Zigbee module；Described Zigbee module
It is connected with the signal input part of central control unit by Zigbee wireless network, central control unit
Signal output part is connected with alarm device, and the control end of central control unit is connected with clearing apparatus；Institute
The wind speed detection device stated is bolted on the inner side of condenser for outdoor unit of air conditioner, including multiple in
The anemobiagraph of matrix arrangement；Described clearing apparatus is arranged on the outside of condenser for outdoor unit of air conditioner, bag
Include spiral reciprocating type machinery walk arm hairbrush and control spiral reciprocating type machinery and walk the motor of arm hairbrush；Described
Clearing apparatus and air-conditioner outdoor unit be connected fixing by slide.
A kind of air-conditioner outdoor unit foreign material Precision measurement the most according to claim 1 is reported to the police and is removed device,
It is characterized in that, described alarm device includes audible-visual annunciator.
A kind of air-conditioner outdoor unit foreign material Precision measurement the most according to claim 2 is reported to the police and is removed device,
It is characterized in that, described central control unit includes wireless communication line, main control chip circuit, GSM mould
Block, bang-bang circuit and signal amplification circuit；Described wireless communication line receives Zigbee module and sends out
The wireless signal sent, the input of main control chip circuit is connected with the outfan of wireless communication line, institute
The signal transmission ends stating main control chip circuit is connected with gsm module, the control end of main control chip circuit with
Bang-bang circuit is connected, and the outfan of main control chip is connected with the input of signal amplification circuit, letter
The outfan of number amplifying circuit is connected with audible-visual annunciator.
A kind of air-conditioner outdoor unit foreign material Precision measurement the most according to claim 3 is reported to the police and is removed device,
It is characterized in that, described wireless communication line includes CC2420 chip circuit.
A kind of air-conditioner outdoor unit foreign material Precision measurement the most according to claim 4 is reported to the police and is removed device,
It is characterized in that, described main control chip circuit includes atmega128 chip, described atmega128 core
The PD4 pin of sheet is connected with the SFD pin of CC2420 chip, the PD6 pin of atmega128 chip
It is connected with the CCA pin of CC2420 chip, the PE4 pin of atmega128 chip and CC2420 chip
FIFOP pin be connected, the PB7 pin of atmega128 chip and the FIFO pin of CC2420 chip
Being connected, the PB0 pin of atmega128 chip is connected with the CSn pin of CC2420 chip, atmega128
The PB1 pin of chip is connected with the SLCK pin of CC2420 chip, and the PB2 of atmega128 chip draws
Foot is connected with the SI pin of CC2420 chip, the PB3 pin of atmega128 chip and CC2420 core
The SO pin of sheet is connected.
A kind of air-conditioner outdoor unit foreign material Precision measurement the most according to claim 5 is reported to the police and is removed device,
It is characterized in that, the GND pin of described gsm module is connected with the GND pin of atmega128 chip,
The VCC pin of gsm module is connected with the VCC pin of atmega128 chip, and the RXD of gsm module draws
Foot is connected with the RXD0 pin of atmega128 chip, the TXD pin of gsm module and atmega128
The TXD0 pin of chip is connected.
A kind of air-conditioner outdoor unit foreign material Precision measurement the most according to claim 6 is reported to the police and is removed device,
It is characterized in that, described bang-bang circuit includes resistance R1, audion Q1, diode D1 and continues
Electrical equipment KM；One end of described resistance R1 is connected with the PA3 pin of atmega128 chip, resistance R1
The other end be connected with the base stage of audion Q1, the emitter stage of audion Q1 respectively with relay K M line
One end of circle is connected with the positive pole of diode D1, the other end of relay K M coil and diode D1's
Negative pole is connected and connects+5V voltage, the grounded collector of audion Q1；The normally opened of described relay K M touches
The start-stop button that some km walks arm hair brush motor with spiral reciprocating type machinery is connected.
A kind of air-conditioner outdoor unit foreign material Precision measurement the most according to claim 7 is reported to the police and is removed device,
It is characterized in that, described signal amplification circuit include resistance R2, resistance R3, electric capacity C1, electric capacity C2,
Electric capacity C3 and operational amplifier LM380；One end of described resistance R2 and the PA4 of atmega128 chip
Pin is connected, the other end of resistance R2 respectively with one end, one end of resistance R3 and the electric capacity of electric capacity C1
One end of C2 is connected and is connected with the in-phase input end of operational amplifier LM380, the other end of electric capacity C1
It is connected with the inverting input of operational amplifier LM380 and ground connection, the other end of resistance R3, electric capacity C2
The other end be connected with the outfan of operational amplifier LM380 with one end of electric capacity C3, electric capacity C3's
The other end is connected with audible-visual annunciator.
A kind of air-conditioner outdoor unit foreign material Precision measurement the most according to claim 1 is reported to the police and is removed device,
It is characterized in that, described track is arranged on the side of condenser, and the shape of track is cross-sectional with condenser
The geometry in face is identical.
10. an air-conditioner outdoor unit foreign material Precision measurement warning sweep-out method, uses a kind of air-conditioner outdoor unit
Foreign material Precision measurement is reported to the police and is removed device, it is characterized in that, comprises the following steps:
Step 1), wind speed detection device gather air-conditioner outdoor unit heat radiation wind speed；
Step 2), Zigbee module wind speed detection device is collected air-conditioner outdoor unit heat radiation wind speed lead to
Cross wireless network and be sent to central control unit；
Step 3), central control unit judge the size of the heat radiation wind speed and the wind speed preset value that receive,
If the heat radiation wind speed received is more than or equal to wind speed preset value, then end operation；If received
Heat radiation wind speed less than wind speed preset value, then perform step 4) operation；
Step 4), central control unit control spiral reciprocating type machinery walk arm hair brush motor start, spiral
Reciprocating machine is walked arm hairbrush and is carried out clearing up fin；
Step 5), central control unit judge the size of the heat radiation wind speed and the wind speed preset value that receive,
If the heat radiation wind speed received is more than or equal to wind speed preset value, then end operation；If received
Heat radiation wind speed less than wind speed preset value, then continue executing with step 4) operation, until the heat radiation received
Wind speed is more than or equal to till wind speed preset value.
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| CN201610239669.5A CN105928133B (en) | 2016-04-18 | 2016-04-18 | A kind of air-conditioner outdoor unit sundries Precision measurement alarm remove device and method |
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| CN201610239669.5A CN105928133B (en) | 2016-04-18 | 2016-04-18 | A kind of air-conditioner outdoor unit sundries Precision measurement alarm remove device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758862A (en) * | 2018-06-19 | 2018-11-06 | 广东美的制冷设备有限公司 | Outdoor unit and its detection method, device and air-conditioner set |
| CN116123662A (en) * | 2023-01-13 | 2023-05-16 | 广州市耀华电器有限公司 | Self-checking alarm device for air conditioner |
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