CN105627459A - Air conditioner outdoor unit and method of same for treating filth blockage of outdoor heat exchanger - Google Patents
Air conditioner outdoor unit and method of same for treating filth blockage of outdoor heat exchanger Download PDFInfo
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- CN105627459A CN105627459A CN201511024479.3A CN201511024479A CN105627459A CN 105627459 A CN105627459 A CN 105627459A CN 201511024479 A CN201511024479 A CN 201511024479A CN 105627459 A CN105627459 A CN 105627459A
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- heat exchanger
- outdoor heat
- dirty stifled
- master control
- control board
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000012544 monitoring process Methods 0.000 claims description 45
- 239000007921 spray Substances 0.000 claims description 17
- 230000001680 brushing effect Effects 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 8
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/16—Arrangement or mounting thereof
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- 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
-
- 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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G13/00—Appliances or processes not covered by groups F28G1/00 - F28G11/00; Combinations of appliances or processes covered by groups F28G1/00 - F28G11/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/40—Pressure, e.g. wind pressure
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Sustainable Development (AREA)
- Air Conditioning Control Device (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses an air conditioner outdoor unit. The air conditioner outdoor unit comprises an air conditioner outdoor unit body, an outdoor heat exchanger, a master control panel and a filth blockage sensor assembly electrically connected with the master control panel. The surface of the outdoor heat exchanger is provided with a brush which is electrically connected with the master control panel and can slide relative to the surface of the outdoor heat exchanger; the filth blockage sensor assembly monitors the filth blockage state of the surface of the outdoor heat exchanger in real time and transmits the filth blockage state information to the master control panel; the master control panel judges whether the filth blockage region exists on the surface of the outdoor heat exchanger or not according to the filth blockage state information transmitted by the sensor assembly; and if the filth blockage region exits, the brush is controlled to brush the surface of the outdoor heat exchanger within the first set time. By means of the air conditioner outdoor unit and a method of the air conditioner outdoor unit for treating filth blockage of the outdoor heat exchanger, the air conditioner outdoor unit can find the filth blockage problem of the outdoor heat exchanger in the first place and solve the filth blockage problem of the outdoor heat exchanger quickly without manual intervention, the normal operation effect of an air conditioner is guaranteed, and the user experience effect is improved greatly.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly relate to a kind of air-conditioner outdoor unit and the dirty stifled method for the treatment of chamber external heat exchanger thereof.
Background technology
Existing air-conditioner outdoor unit is generally arranged on open air, and the outdoor heat exchanger in it is chronically exposed in outside atmosphere. When the foreign matters such as the dust descended slowly and lightly on outdoor heat exchanger face reach a certain amount of, outdoor heat exchanger can be caused dirty stifled, and the wind outdoor unit heat exchanger produced during outdoor fan work is through being drawn to outdoor heat exchanger inside by the foreign matter of heat exchanger surface, increase the weight of the dirty stifled of outdoor heat exchanger further.
Outdoor heat exchanger is once occur dirty stifled meeting to cause heat exchange function bad, and heat exchange weak effect, thus cause Compressor Discharge Pressure, temperature too high, finally causes outdoor machine to be shut down.
Existing in the dirty stifled main dependence manual handling of outdoor heat exchanger, the dirty stifled phenomenon of this kind of processing mode outdoor heat exchanger can not Timeliness coverage, manual handling time length, labour intensity is big, seriously affect Consumer's Experience effect.
Summary of the invention
The main purpose of the present invention be to solve outdoor heat exchanger in prior art dirty stifled phenomenon can not Timeliness coverage, time length in dirty stifled dependence manual handling, treating processes, labour intensity is big, the technical problem that seriously affects Consumer's Experience effect.
For achieving the above object, a kind of air-conditioner outdoor unit provided by the invention, described air-conditioner outdoor unit comprises: air-conditioner outdoor unit body, it is provided with outdoor heat exchanger and master control board in described air-conditioner outdoor unit body, being provided with dirty stifled sensor module in described air-conditioner outdoor unit body, described dirty stifled sensor module is electrically connected with described master control board; Described outdoor heat exchanger surface is provided with can the brush of outdoor heat exchanger surface sliding relatively; Described brush is electrically connected with described master control board;
Described dirty stifled sensor module, for the dirty stifled state on outdoor heat exchanger surface described in Real-Time Monitoring, transmits the dirty stifled status information on described outdoor heat exchanger surface in real time to master control board;
Described master control board, for the described dirty stifled status information transmitted according to described sensor module, judge whether described outdoor heat exchanger surface exists dirty stifled region, when described outdoor heat exchanger surface exists dirty stifled region, then control described brush, in the first setting-up time, described outdoor heat exchanger surface is carried out brushing action.
Preferably, spray module also it is provided with in described air-conditioner outdoor unit body;
Described master control board, also for there is dirty stifled region when described outdoor heat exchanger surface, controlling described spray module, in the 2nd setting-up time, described outdoor heat exchanger surface being carried out flush operation.
Preferably, described dirty stifled sensor module comprises: the exhaust pressure sensor being located at exhaust outlet of compressor place and the wind pressure sensor being located on described outdoor heat exchanger; The dirty stifled status information in described outdoor heat exchanger surface comprises: the leeway between Compressor Discharge Pressure value, outdoor heat exchanger inlet side and air side;
Described exhaust pressure sensor, for the dirty stifled Monitoring instruction transmitted according to master control board, Compressor Discharge Pressure value described in Real-Time Monitoring, transmits described Compressor Discharge Pressure value to master control board in real time;
Described wind pressure sensor, for the dirty stifled Monitoring instruction transmitted according to master control board, leeway between outdoor heat exchanger inlet side and air side described in Real-Time Monitoring, transmits described leeway to described master control board in real time.
Preferably, described outdoor heat exchanger surface is divided into multiple region, and each region correspondence position is provided with a wind pressure sensor;
Each wind pressure sensor, for the dirty stifled Monitoring instruction transmitted according to master control board, the first leeway between the inlet side of corresponding zone, Real-Time Monitoring outdoor heat exchanger surface and air side, transmits described first leeway to described master control board in real time;
Described master control board is according to described Compressor Discharge Pressure value and each first leeway, it is determined that whether described outdoor heat exchanger surface exists dirty stifled region; When described outdoor heat exchanger surface exists dirty stifled region, then control described brush, in described first setting-up time, dirty stifled region, described outdoor heat exchanger surface is carried out brushing action.
In addition, for achieving the above object, the present invention also provides a kind of dirty stifled method of air-conditioner outdoor unit treatment chamber external heat exchanger, and described air-conditioner outdoor unit comprises: air-conditioner outdoor unit body, outdoor heat exchanger, master control board, dirty stifled sensor module, can the brush of outdoor heat exchanger surface sliding relatively;
The described dirty stifled method of air-conditioner outdoor unit treatment chamber external heat exchanger comprises the steps:
The dirty stifled state on outdoor heat exchanger surface described in described dirty stifled sensor module Real-Time Monitoring, transmits described dirty stifled status information to described master control board in real time;
Described master control board, according to described dirty stifled status information, judges whether described outdoor heat exchanger surface exists dirty stifled region;
When described outdoor heat exchanger surface exists dirty stifled region, described master control board controls described brush, in the first setting-up time, described outdoor heat exchanger surface is carried out brushing action.
Preferably, spray module also it is provided with in described air-conditioner outdoor unit body;
The described dirty stifled method of air-conditioner outdoor unit treatment chamber external heat exchanger also comprises:
When described outdoor heat exchanger surface exists dirty stifled region, described master control board controls described spray module, in the 2nd setting-up time, described outdoor heat exchanger surface is carried out flush operation.
Preferably, described dirty stifled sensor module comprises the exhaust pressure sensor being located at exhaust outlet of compressor place and the wind pressure sensor being located on described outdoor heat exchanger;
The dirty stifled state on outdoor heat exchanger surface described in described dirty stifled sensor module Real-Time Monitoring, and also comprise to the step of the described master control board described dirty stifled status information of transmission in real time:
The exhaust pressure value of compressor described in described exhaust pressure sensor Real-Time Monitoring, described exhaust pressure sensor transmits described Compressor Discharge Pressure value to described master control board in real time;
Blast difference between outdoor heat exchanger inlet side, air side described in described wind pressure sensor Real-Time Monitoring, described wind pressure sensor transmits described blast difference to described master control board in real time.
Preferably, described outdoor heat exchanger surface is divided into multiple region, and each region correspondence position is provided with a wind pressure sensor;
Blast difference between outdoor heat exchanger inlet side, air side described in described wind pressure sensor Real-Time Monitoring, the step that described wind pressure sensor transmits described blast difference to described master control board respectively in real time also comprises:
The first leeway between the surperficial inlet side, corresponding zone of outdoor heat exchanger described in wind pressure sensor Real-Time Monitoring described in each and air side, wind pressure sensor described in each transmits described first blast difference to described master control board in real time.
Air-conditioner outdoor unit provided by the present invention and the dirty stifled method for the treatment of chamber external heat exchanger thereof, by arranging dirty stifled sensor module in air-conditioner outdoor unit body, described dirty stifled sensor module is electrically connected with described master control board; Described outdoor heat exchanger surface is arranged can the brush of outdoor heat exchanger surface sliding relatively; Described brush is electrically connected with described master control board; By the dirty stifled state on outdoor heat exchanger surface described in described dirty stifled sensor module Real-Time Monitoring, transmit the dirty stifled status information on described outdoor heat exchanger surface in real time to master control board; And the described dirty stifled status information that described master control board transmits according to described sensor module, judge whether described outdoor heat exchanger surface exists dirty stifled region, when described outdoor heat exchanger surface exists dirty stifled region, then control the mode that described outdoor heat exchanger surface is carried out brushing action by described brush in the first setting-up time, air-conditioner outdoor unit can find outdoor heat exchanger dirty stifled problem the very first time, and the dirty stifled problem of fast processing outdoor heat exchanger, without the need to manual intervention, guarantee the normal operating performance of conditioner, greatly increase user's experience effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of air-conditioner outdoor unit one embodiment of the present invention;
Fig. 2 is the concrete refinement high-level schematic functional block diagram of the wind pressure sensor of the present invention;
Fig. 3 is the structural representation of another embodiment of air-conditioner outdoor unit of the present invention;
Fig. 4 is the schematic flow sheet of dirty stifled method one embodiment of air-conditioner outdoor unit treatment chamber external heat exchanger of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Below in conjunction with Figure of description, the preferred embodiments of the present invention are described, it is to be understood that, preferred embodiment described herein is only for instruction and explanation of the present invention, it is not intended to limit the present invention, and when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
The present invention further provides a kind of air-conditioner outdoor unit. It it is the structural representation of air-conditioner outdoor unit one embodiment of the present invention with reference to Fig. 1, Fig. 1. In one embodiment, this air-conditioner outdoor unit comprises: air-conditioner outdoor unit body, is provided with outdoor heat exchanger 10, master control board 20, dirty stifled sensor module 30 in described air-conditioner outdoor unit body; Described dirty stifled sensor module 30 is electrically connected with described master control board 20; Described outdoor heat exchanger 10 surface is provided with can the brush 40 of outdoor heat exchanger 10 surface sliding relatively; Described brush 40 is electrically connected with described master control board 10. Wherein, described sensor module 30, for the dirty stifled state on outdoor heat exchanger described in Real-Time Monitoring 10 surface, transmits the dirty stifled status information on described outdoor heat exchanger 10 surface in real time to master control board 20. Described master control board 20, for the described dirty stifled status information transmitted according to described dirty stifled sensor module 30, judge whether described outdoor heat exchanger 10 surface exists dirty stifled region, when described outdoor heat exchanger 10 surface exists dirty stifled region, then control described brush 40, in the first setting-up time, described outdoor heat exchanger 10 surface is carried out brushing action. The time span of wherein said first setting-up time can be arranged according to actual needs, as can be 5 minutes or 10 minutes. Described brush is powered brush.
The present invention adopts the scheme that above-described embodiment provides, and air-conditioner outdoor unit 100 can find and treatment chamber external heat exchanger 10 dirty stifled problem the very first time, it is not necessary to manual intervention, it is ensured that the normal operating performance of conditioner, greatly increases user's experience effect.
See Fig. 1, described dirty stifled sensor module 30 comprises: the exhaust pressure sensor 31 being located at exhaust outlet of compressor place and the wind pressure sensor 32 being located on described outdoor heat exchanger. The dirty stifled status information in described outdoor heat exchanger 10 surface comprises: the leeway between Compressor Discharge Pressure value, outdoor heat exchanger inlet side and air side. Described exhaust pressure sensor 31, for the dirty stifled Monitoring instruction transmitted according to master control board 20, Compressor Discharge Pressure value described in Real-Time Monitoring, transmits described Compressor Discharge Pressure value to master control board 20 in real time. Described wind pressure sensor 32, for the dirty stifled Monitoring instruction transmitted according to master control board 20, leeway between outdoor heat exchanger 10 inlet side and air side described in Real-Time Monitoring, transmits described leeway to described master control board 20 in real time.
It it is the concrete refinement high-level schematic functional block diagram of the wind pressure sensor of the present invention see Fig. 2, Fig. 2. Described wind pressure sensor 32 comprises: control unit 321, first blast sensing unit the 322, the 2nd blast sensing unit 323. Described first blast sensing unit 322 is for sensing chamber's external heat exchanger 10 inlet side blast; 2nd blast sensing unit 323 is for sensing chamber's external heat exchanger 10 air side blast. Described wind pressure sensor 32 receives the dirty stifled Monitoring instruction of master control board 20 transmission by control unit 321. Described control unit 321 controls the first blast sensing unit 322 according to described dirty stifled Monitoring instruction and the 2nd blast sensing unit 323 synchronously opens wind pressure monitoring function. The blast value monitored is fed back to described control unit 321 by the first blast sensing unit 321 and the 2nd blast sensing unit 322 in real time, the blast value that described control unit 321 feeds back according to the two, leeway between counting chamber external heat exchanger 10 inlet side and air side, and real-time Transmission is to master control board 20.
The leeway threshold value being previously provided with between Compressor Discharge Pressure threshold value and outdoor heat exchanger 10 inlet side and air side in master control board 20 described in the present embodiment. Described master control board 20 is specifically for comparing the Compressor Discharge Pressure received value and described Compressor Discharge Pressure threshold value, and the leeway threshold value between the leeway between described outdoor heat exchanger 10 inlet side and air side, outdoor heat exchanger 10 inlet side and air side is compared; Judge whether described outdoor heat exchanger 10 surface exists dirty stifled region according to comparative result. When described Compressor Discharge Pressure value is greater than described Compressor Discharge Pressure threshold value, and described leeway is greater than leeway threshold value, then determine that described outdoor heat exchanger 10 surface exists dirty stifled region.
The present invention proposes another air-conditioner outdoor unit embodiment, and the present embodiment has improved at above-described embodiment, is the structural representation of another embodiment of air-conditioner outdoor unit of the present invention see Fig. 3, Fig. 3. Improvements are: described outdoor heat exchanger 10 surface is divided into multiple region, and each region correspondence position is provided with a wind pressure sensor 32. Each wind pressure sensor 32, for the dirty stifled Monitoring instruction transmitted according to master control board, the first leeway between the inlet side of corresponding zone, Real-Time Monitoring outdoor heat exchanger 10 surface and air side, transmits described first leeway to described master control board in real time. Described master control board 20 is according to described Compressor Discharge Pressure value and each first leeway, it is determined that whether described outdoor heat exchanger 10 surface exists dirty stifled region; When described outdoor heat exchanger 10 surface exists dirty stifled region, then control described brush 40, in described first setting-up time, dirty stifled region, described outdoor heat exchanger 10 surface is carried out brushing action.
The present invention adopts the scheme that above-described embodiment provides, when outdoor heat exchanger 10 surface portion region is dirty stifled, only need to control brush 40 carries out brushing action in this dirty stifled region, without the need to the surperficial all regions of outdoor heat exchanger 10 are carried out brushing action, with strong points, process dirty stifled efficiency height, consume energy low.
The present invention proposes another air-conditioner outdoor unit embodiment, and the present embodiment has improved in above-mentioned any embodiment, and see Fig. 1, improvements are: be also provided with spray module 50 in described air-conditioner outdoor unit body 101. Described master control board 20, also for there is dirty stifled region when described outdoor heat exchanger 10 surface, controlling described spray module 50, in the 2nd setting-up time, described outdoor heat exchanger 10 surface being carried out flush operation. Wherein, the time span of described 2nd setting-up time can be arranged according to actual needs, as can be 5 minutes or 10 minutes. In addition, the time span of described first setting-up time and described 2nd setting-up time can be the same or different. When the time span of the two is identical, the two time order and function order can unanimously, partly overlap or stagger completely. When the time span of the two is different, the time order and function order of the two can portion overlapping, or stagger completely.
In the present embodiment, when described outdoor heat exchanger 10 surface is divided into multiple region, described master control board 20, concrete also for there is dirty stifled region when described outdoor heat exchanger 10 surface, control described spray module 50, in described 2nd setting-up time, dirty stifled region, described outdoor heat exchanger 10 surface is carried out flush operation.
See Fig. 1, described spray module 50 comprises flexible pipe 51 and sprinkler head 52, and described flexible pipe 51 one end is connected with water source, and the other end is connected with described sprinkler head 52, sprinkler head 52 is provided with spout hole towards the one side on outdoor heat exchanger 10 surface, and described sprinkler head 52 is electrically connected with described master control board 10. Wherein said sprinkler head 52 is electronic sprinkler head.
The present invention adopts the scheme that above-described embodiment provides, and further increases the dirty stifled processing efficiency in outdoor heat exchanger surface.
The present invention provides a kind of dirty stifled method of air-conditioner outdoor unit treatment chamber external heat exchanger. With reference to Fig. 1, described air-conditioner outdoor unit 100 comprises: air-conditioner outdoor unit body (not shown go out), outdoor heat exchanger 10, master control board 20, dirty stifled sensor module 30, can the brush 40 of outdoor heat exchanger surface sliding relatively. It it is the schematic flow sheet of dirty stifled method one embodiment of air-conditioner outdoor unit treatment chamber external heat exchanger of the present invention see Fig. 4, Fig. 4. The described dirty stifled method of air-conditioner outdoor unit treatment chamber external heat exchanger comprises:
Described in step S10, described dirty stifled sensor module 30 Real-Time Monitoring, the dirty stifled state on outdoor heat exchanger 10 surface, transmits described dirty stifled status information to described master control board 20 in real time.
See Fig. 1, dirty stifled sensor module 30 described in the present embodiment comprises the exhaust pressure sensor 31 being located at exhaust outlet of compressor place and the wind pressure sensor 32 being located on described outdoor heat exchanger. The dirty stifled status information in described outdoor heat exchanger 10 surface comprises: the leeway between Compressor Discharge Pressure value, outdoor heat exchanger 10 inlet side and air side. Described step S10 specifically comprises following process: the exhaust pressure value of compressor described in described exhaust pressure sensor 31 Real-Time Monitoring, and described exhaust pressure sensor 31 transmits described Compressor Discharge Pressure value to described master control board 20 in real time. Blast difference between outdoor heat exchanger 10 inlet side, air side described in described wind pressure sensor 32 Real-Time Monitoring, described wind pressure sensor 32 transmits described blast difference to described master control board 20 in real time.
See Fig. 2, described wind pressure sensor 32 comprises: control unit 321, first blast sensing unit the 322, the 2nd blast sensing unit 323. Described first blast sensing unit 322 is for sensing chamber's external heat exchanger 10 inlet side blast. 2nd blast sensing unit 323 is for sensing chamber's external heat exchanger 10 air side blast. Described wind pressure sensor 32 receives the dirty stifled Monitoring instruction of master control board 20 transmission by control unit 321. Described control unit 321 controls the first blast sensing unit 322 according to described dirty stifled Monitoring instruction and the 2nd blast sensing unit 323 synchronously opens wind pressure monitoring function. The blast value monitored is fed back to described control unit 321 by the first blast sensing unit 322 and the 2nd blast sensing unit 323 in real time, the blast value that described control unit 321 feeds back according to the two, leeway between counting chamber external heat exchanger 10 inlet side and air side, and real-time Transmission is to master control board 20.
Step S20, described master control board 20, according to described dirty stifled status information, judge whether described outdoor heat exchanger 10 surface exists dirty stifled region.
The leeway threshold value being previously provided with between Compressor Discharge Pressure threshold value and outdoor heat exchanger 10 inlet side and air side in master control board 20 described in the present embodiment. This step S20 specifically comprises: the Compressor Discharge Pressure value received and described Compressor Discharge Pressure threshold value are compared by described master control board 20, and the leeway threshold value between the leeway between described outdoor heat exchanger 10 inlet side and air side, outdoor heat exchanger 10 inlet side and air side are compared; Judge whether described outdoor heat exchanger 10 surface exists dirty stifled region according to comparative result. When described Compressor Discharge Pressure value is greater than described Compressor Discharge Pressure threshold value, and described leeway is greater than described leeway threshold value, then determine that described outdoor heat exchanger 10 surface exists dirty stifled region.
Step S30, when described outdoor heat exchanger 10 surface exists dirty stifled region, described master control board 20 controls described brush 40, in the first setting-up time, described outdoor heat exchanger 10 surface is carried out brushing action.
In the present embodiment, the time span of described first setting-up time can be arranged according to actual needs, as can be 5 minutes or 10 minutes. Described brush is powered brush.
The present invention adopts the scheme that above-described embodiment provides, and air-conditioner outdoor unit 100 can find and treatment chamber external heat exchanger 10 dirty stifled problem the very first time, it is not necessary to manual intervention, it is ensured that the normal operating performance of conditioner, greatly increases user's experience effect.
The present invention proposes another dirty stifled embodiment of the method for air-conditioner outdoor unit treatment chamber external heat exchanger, the present embodiment has improved at above-described embodiment, see Fig. 3, improvements are: described outdoor heat exchanger 10 surface is divided into multiple region, and each region correspondence position is provided with a wind pressure sensor. Blast difference between outdoor heat exchanger 10 inlet side, air side described in described wind pressure sensor 32 Real-Time Monitoring, described wind pressure sensor 32 transmits described blast difference to described master control board 20 in real time and specifically comprises: the first leeway between the surperficial inlet side, corresponding zone of outdoor heat exchanger 10 described in wind pressure sensor 32 Real-Time Monitoring described in each and air side, wind pressure sensor 32 described in each transmits described first blast difference to described master control board 20 in real time. Described step S20 specifically also comprises: described master control board 20 receives the Compressor Discharge Pressure value of exhaust pressure sensor transmissions, and described first leeway of each wind pressure sensor 32 transmission; According to described Compressor Discharge Pressure value and each first leeway; Judge whether described outdoor heat exchanger 10 surface exists dirty stifled region. When described outdoor heat exchanger 10 surface exists dirty stifled region, then described master control board 20 controls described brush 40 and in the first setting-up time, described outdoor heat exchanger 10 surface is carried out brushing action and specifically comprise: described master control board 20 controls described brush 40, in the first setting-up time, dirty stifled region, described outdoor heat exchanger 10 surface carried out brushing action.
The present invention adopts the scheme that above-described embodiment provides, when outdoor heat exchanger 10 surface portion region is dirty stifled, only need to control brush 40 carries out brushing action in this dirty stifled region, without the need to the surperficial all regions of outdoor heat exchanger 10 are carried out brushing action, with strong points, process dirty stifled efficiency height, consume energy low.
The present invention proposes another air-conditioner outdoor unit embodiment, and the present embodiment has improved in above-mentioned any embodiment, and see Fig. 1, improvements are: be also provided with spray module 50 in described air-conditioner outdoor unit body 101. The described dirty stifled method of air-conditioner outdoor unit treatment chamber external heat exchanger also comprises after described step S20: when described outdoor heat exchanger 10 surface exists dirty stifled region, described master control board 20 controls described spray module, in the 2nd setting-up time, described outdoor heat exchanger 10 surface carried out flush operation. The time span of described 2nd setting-up time can be arranged according to actual needs, as can be 5 minutes or 10 minutes. In addition, the time span of described first setting-up time and described 2nd setting-up time can be the same or different. When the time span of the two is identical, the two time order and function order can unanimously, partly overlap or stagger completely. When the time span of the two is different, the time order and function order of the two can portion overlapping, or stagger completely.
In the present embodiment, when described outdoor heat exchanger 10 surface is divided into multiple region, then described master control board 20 control described spray module 50 in the 2nd setting-up time, described outdoor heat exchanger 10 surface is washed away behaviour specifically comprise: control described spray module 50 in described 2nd setting-up time to described outdoor heat exchanger 10 surface dirty stifled region carry out flush operation.
See Fig. 1, described spray module 50 comprises flexible pipe 51 and sprinkler head 52, and described flexible pipe 51 one end is connected with water source, and the other end is connected with described sprinkler head 52, sprinkler head 52 is provided with spout hole towards the one side on outdoor heat exchanger 10 surface, and described sprinkler head 52 is electrically connected with described master control board 10.
The present invention adopts the scheme that above-described embodiment provides, and further increases the dirty stifled processing efficiency in outdoor heat exchanger 10 surface.
These are only the preferred embodiments of the present invention; not thereby the patent scope of the present invention is limited; every utilize specification sheets of the present invention and accompanying drawing content to do equivalent structure or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all it is included in the scope of patent protection of the present invention with reason.
Claims (8)
1. an air-conditioner outdoor unit, it is characterized in that, described air-conditioner outdoor unit comprises: air-conditioner outdoor unit body, it is provided with outdoor heat exchanger and master control board in described air-conditioner outdoor unit body, being provided with dirty stifled sensor module in described air-conditioner outdoor unit body, described dirty stifled sensor module is electrically connected with described master control board; Described outdoor heat exchanger surface is provided with can the brush of outdoor heat exchanger surface sliding relatively; Described brush is electrically connected with described master control board;
Described dirty stifled sensor module, for the dirty stifled state on outdoor heat exchanger surface described in Real-Time Monitoring, transmits the dirty stifled status information on described outdoor heat exchanger surface in real time to master control board;
Described master control board, for the described dirty stifled status information transmitted according to described sensor module, judge whether described outdoor heat exchanger surface exists dirty stifled region, when described outdoor heat exchanger surface exists dirty stifled region, then control described brush, in the first setting-up time, described outdoor heat exchanger surface is carried out brushing action.
2. air-conditioner outdoor unit according to claim 1, it is characterised in that, also it is provided with spray module in described air-conditioner outdoor unit body;
Described master control board, also for there is dirty stifled region when described outdoor heat exchanger surface, controlling described spray module, in the 2nd setting-up time, described outdoor heat exchanger surface being carried out flush operation.
3. air-conditioner outdoor unit according to claim 1 and 2, it is characterised in that, described dirty stifled sensor module comprises: the exhaust pressure sensor being located at exhaust outlet of compressor place and the wind pressure sensor being located on described outdoor heat exchanger; The dirty stifled status information in described outdoor heat exchanger surface comprises: the leeway between Compressor Discharge Pressure value, outdoor heat exchanger inlet side and air side;
Described exhaust pressure sensor, for the dirty stifled Monitoring instruction transmitted according to master control board, Compressor Discharge Pressure value described in Real-Time Monitoring, transmits described Compressor Discharge Pressure value to master control board in real time;
Described wind pressure sensor, for the dirty stifled Monitoring instruction transmitted according to master control board, leeway between outdoor heat exchanger inlet side and air side described in Real-Time Monitoring, transmits described leeway to described master control board in real time.
4. air-conditioner outdoor unit according to claim 3, it is characterised in that, described outdoor heat exchanger surface is divided into multiple region, and each region correspondence position is provided with a wind pressure sensor;
Each wind pressure sensor, for the dirty stifled Monitoring instruction transmitted according to master control board, the first leeway between the inlet side of corresponding zone, Real-Time Monitoring outdoor heat exchanger surface and air side, transmits described first leeway to described master control board in real time;
Described master control board is according to described Compressor Discharge Pressure value and each first leeway, it is determined that whether described outdoor heat exchanger surface exists dirty stifled region; When described outdoor heat exchanger surface exists dirty stifled region, then control described brush, in described first setting-up time, dirty stifled region, described outdoor heat exchanger surface is carried out brushing action.
5. the dirty stifled method of air-conditioner outdoor unit treatment chamber external heat exchanger, it is characterised in that, described air-conditioner outdoor unit comprises: air-conditioner outdoor unit body, outdoor heat exchanger, master control board, dirty stifled sensor module, can the brush of outdoor heat exchanger surface sliding relatively;
The described dirty stifled method of air-conditioner outdoor unit treatment chamber external heat exchanger comprises the steps:
The dirty stifled state on outdoor heat exchanger surface described in described dirty stifled sensor module Real-Time Monitoring, transmits described dirty stifled status information to described master control board in real time;
Described master control board, according to described dirty stifled status information, judges whether described outdoor heat exchanger surface exists dirty stifled region;
When described outdoor heat exchanger surface exists dirty stifled region, described master control board controls described brush, in the first setting-up time, described outdoor heat exchanger surface is carried out brushing action.
6. the dirty stifled method of air-conditioner outdoor unit treatment chamber external heat exchanger according to claim 5, it is characterised in that, also it is provided with spray module in described air-conditioner outdoor unit body;
The described dirty stifled method of air-conditioner outdoor unit treatment chamber external heat exchanger also comprises:
When described outdoor heat exchanger surface exists dirty stifled region, described master control board controls described spray module, in the 2nd setting-up time, described outdoor heat exchanger surface is carried out flush operation.
7. the dirty stifled method of air-conditioner outdoor unit treatment chamber external heat exchanger according to claim 5 or 6, it is characterized in that, described dirty stifled sensor module comprises the exhaust pressure sensor being located at exhaust outlet of compressor place and the wind pressure sensor being located on described outdoor heat exchanger;
The dirty stifled state on outdoor heat exchanger surface described in described dirty stifled sensor module Real-Time Monitoring, and also comprise to the step of the described master control board described dirty stifled status information of transmission in real time:
The exhaust pressure value of compressor described in described exhaust pressure sensor Real-Time Monitoring, described exhaust pressure sensor transmits described Compressor Discharge Pressure value to described master control board in real time;
Blast difference between outdoor heat exchanger inlet side, air side described in described wind pressure sensor Real-Time Monitoring, described wind pressure sensor transmits described blast difference to described master control board in real time.
8. the dirty stifled method of air-conditioner outdoor unit treatment chamber external heat exchanger according to claim 7, it is characterised in that, described outdoor heat exchanger surface is divided into multiple region, and each region correspondence position is provided with a wind pressure sensor;
Blast difference between outdoor heat exchanger inlet side, air side described in described wind pressure sensor Real-Time Monitoring, the step that described wind pressure sensor transmits described blast difference to described master control board respectively in real time also comprises:
The first leeway between the surperficial inlet side, corresponding zone of outdoor heat exchanger described in wind pressure sensor Real-Time Monitoring described in each and air side, wind pressure sensor described in each transmits described first blast difference to described master control board in real time.
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