CN114440696A - Air cleaning system based on compact microchannel heat exchanger - Google Patents
Air cleaning system based on compact microchannel heat exchanger Download PDFInfo
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- CN114440696A CN114440696A CN202210322556.7A CN202210322556A CN114440696A CN 114440696 A CN114440696 A CN 114440696A CN 202210322556 A CN202210322556 A CN 202210322556A CN 114440696 A CN114440696 A CN 114440696A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/01—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using means for separating solid materials from heat-exchange fluids, e.g. filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/035—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing by suction
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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
- F28G15/00—Details
- F28G15/003—Control arrangements
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention provides an air cleaning system based on a compact micro-channel heat exchanger, wherein the compact micro-channel heat exchanger comprises an air inlet channel which is communicated with the outside and is used for driving outside air into the heat exchanger. According to the invention, the dust particles are intercepted from the airflow entering the air inlet channel through the particle interception, and the dust interception module is automatically cleaned and replaced through the cleaning module, so that the cleaning treatment efficiency of the compact micro-channel heat exchanger is effectively improved.
Description
Technical Field
The invention relates to the technical field of air disinfection and purification, in particular to an air cleaning system based on a compact micro-channel heat exchanger.
Background
Microchannels, also known as microchannel heat exchangers, are heat exchangers having channel equivalent diameters of 10 to 1000 μm. The heat exchanger has tens of fine flow channels in the flat tube, and the fine flow channels are connected to the circular headers at both ends of the flat tube. The header is internally provided with a baffle plate to divide the heat exchanger flow passage into a plurality of flows. The micro-channel heat exchanger can be divided into a micro-channel heat exchanger and a large-scale micro-channel heat exchanger according to the overall dimension. The micro-channel heat exchanger is designed to meet the development requirement of the electronic industry, and has compact, light and high efficiency structure, and the structure forms of the micro heat exchanger are a flat plate cross flow type heat exchanger and a sintered mesh type porous micro heat exchanger. The large-scale micro-channel heat exchanger is mainly applied to traditional industrial refrigeration, waste heat utilization, automobile air conditioners, household air conditioners, heat pump water heaters and the like. The structure form of the radiator comprises a parallel flow tube type radiator and a three-dimensional cross flow type radiator.
The experiment team browses and researches a large amount of related recorded data aiming at the related technology of air purification of the microchannel heat exchanger for a long time, meanwhile, depending on related resources, and conducts a large amount of related experiments, and a large amount of prior arts such as US07160520B1, US20090032645A1, WO2004106159A1 and CN107643015B disclosed by the prior arts are found through a large amount of searches, and as disclosed by the prior arts, the system and the method for monitoring and processing the fouling of the microchannel heat exchanger are provided, and comprise: the heat exchanger operation data monitoring module, the monitoring data processing module, the dirt identifying module and the dirt processing module; the testing end of the monitoring device extends into each fluid conveying pipeline; the signal input end of the monitoring data processing module is connected with the signal output end of the monitoring device, and the signal input end of the dirt identification module is connected with the signal output end of the monitoring data processing module; the signal input end of the dirt processing module is connected with the signal output end of the dirt identification module, the signal output end of the dirt processing module is connected with the signal input end of the execution device of the dirt processing module, and the execution device of the dirt processing module is respectively communicated with the fluid conveying pipeline of the heat exchanger. However, in the prior art, the effect of purifying the air entering the microchannel heat exchanger is not obvious, and then the interior of the channel in the microchannel heat exchanger is easy to be blocked by dust accumulation. According to the invention, the cleanliness of air entering each micro-channel heat exchanger is effectively controlled by intercepting solid particles in the air inlet channel communicated and matched with the micro-channel heat exchanger.
The invention aims to solve the problems that the compact micro-channel heat exchanger is difficult to clean and the heat exchange efficiency of the heat exchanger is low due to the fact that dust enters the compact micro-channel heat exchanger in the field and the like.
Disclosure of Invention
The invention aims to provide an air cleaning system based on a compact micro-channel heat exchanger, aiming at the defects of the prior art.
In order to overcome the defects of the prior art, the invention adopts the following technical scheme:
an air cleaning system based on a compact micro-channel heat exchanger, wherein the compact micro-channel heat exchanger comprises an air inlet channel communicated with the outside and used for driving the outside air into the heat exchanger, and the air cleaning system comprises a particle interception module arranged in the air inlet channel in a matching mode for intercepting fixed particles of gas entering the air inlet channel, a monitoring module for monitoring the interception condition of the fixed particles of the particle interception module, and a cleaning module for automatically cleaning and replacing the particle interception module, wherein the particle interception module comprises a matching ring with an outer ring wall in a sliding fit mode, a fixing ring with an outer ring wall fixed on a part of an inner channel wall of the air inlet channel, at least one layer of filter screen tensioned in a ring opening area of the matching ring, an opening groove arranged on a side ring wall of the fixing ring, and a cleaning module, Set up in on the lateral ring wall of cooperation ring and with opening groove joint complex lug, set up in gu display lamp on the fixed ring and set up in the opening groove in order to judge the lug with the flexible pressure sensor of opening groove's joint counterpoint condition, inlet channel with the one end of the inside intercommunication of compact microchannel heat exchanger does inlet channel's the end of giving vent to anger, just inlet channel court the external one end that extends of compact microchannel heat exchanger does inlet channel's inlet end.
Furthermore, the monitoring module comprises a transparent window arranged on the partial inner channel wall of the air inlet channel, an image acquisition unit for acquiring images of the filter screen in the air inlet channel through the transparent window, a judgment unit for receiving the image information acquired by the image acquisition unit and further analyzing and processing the image information to judge the dust interception condition of the filter screen, and a reminding unit for generating a cleaning signal to remind a user of replacing the filter screen when the judgment unit judges that the dust interception condition of the filter screen reaches the upper limit threshold value of the filter screen.
Further, the cleaning module comprises a movable body entering the inside of the air inlet channel from the air inlet end of the air inlet channel, a suction unit arranged on the movable body and used for sucking dust on the inner channel wall of the air inlet channel, and a fixing mechanism arranged at one end of the movable body and used for fixing the matching ring so as to detachably transfer the matching ring from the inside of the air inlet channel to the outside of the air inlet channel.
Furthermore, the movable body comprises a fixed passage, at least three driving rods which are arranged at the periphery of the fixed passage at preset distances and are in a plate-shaped structure parallel to the fixed passage, fixing rods which respectively fixedly connect the driving rods with the outer wall of the fixed passage, driving wheels which are movably embedded on the driving rods and are used for being in sliding fit with the inner wall of the air inlet passage, and rotating motors which respectively drive the driving wheels to rotate.
Furthermore, the fixing mechanism comprises an adsorption disc fixedly connected with one end of the fixing channel, permanent magnet blocks uniformly distributed and embedded on the matching ring, electromagnetic coils uniformly embedded on the adsorption disc, and a controller for controlling the communication condition of each electromagnetic coil and the power supply.
Further, the suction unit comprises a dust bin arranged inside the fixed channel and used for collecting dust, an adsorption bin arranged inside the fixed channel and adjacent to the dust bin, an air suction pump arranged on the adsorption bin, first suction holes penetrating through two ends of the driving rod and arranged at intervals with the driving wheel, second suction holes penetrating and matched on the adsorption disc, a suction pipe, an intercepting net, an air inlet and an air outlet, wherein one end of the suction pipe is communicated with one end of the first suction hole and/or the second suction hole close to the fixed channel, the other end of the suction pipe is communicated with the adsorption bin, the first suction hole and/or the second suction hole generates negative suction pressure, and the edge of the intercepting net surrounds a connecting port area close to the adsorption bin and the dust bin and intercepts solid particles sucked by the suction pipe, And the air outlet hole is arranged in the dust bin and communicated with the outside of the dust bin.
The beneficial effects obtained by the invention are as follows:
1. the invention monitors the interception condition of the dust and the solid particles such as foreign matters of the filter screen, thereby effectively knowing the interception condition of the solid particles of the filter screen and timely cleaning and replacing the corresponding filter screen so as to ensure the heat dissipation efficiency of the compact microchannel heat exchanger.
2. The filter screen is replaced by the fixing mechanism, so that the cleaning and protection of the heat exchanger are effectively realized.
3. According to the invention, the suction cleaning treatment of dust particles of the air inlet channel and the filter screen is realized by the suction unit, and the air inlet channel and the filter screen can be cleaned by sucking the dust particles regularly, so that the cleanliness of the air inlet channel is effectively improved, the service life of the filter screen is prolonged, and the heat exchange efficiency of the compact micro-channel heat exchanger is improved.
Drawings
The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
FIG. 1 is a modular schematic of a compact microchannel heat exchanger based air cleaning system of the present invention.
Fig. 2 is a schematic structural diagram of the cleaning module of the present invention.
FIG. 3 is a flowchart illustrating a determining unit according to the present invention.
FIG. 4 is a schematic diagram of an experimental comparison of the compact microchannel heat exchanger based air cleaning system of the present invention with the prior art.
Fig. 5 is an experimental schematic diagram of the movable body of the present invention.
The reference numbers illustrate: 1-a first suction hole; 2-a drive rod; 3-fixing the rod; 4-a fixed channel; 5-driving wheels; 6-a second suction hole; 7-adsorption disk.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to embodiments thereof; it should be noted that the specific embodiments described herein are only for explaining the present invention and are not intended to limit the present invention. Other systems, methods, and/or features of the present embodiments will be or become apparent to one with skill in the art upon examination of the following detailed description. And the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limiting the patent, and the specific meanings of the terms may be understood by those skilled in the art according to the specific situation.
The first embodiment is as follows:
with reference to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present embodiment constructs an air cleaning system based on a compact microchannel heat exchanger;
an air cleaning system based on a compact micro-channel heat exchanger comprises an air inlet channel communicated with the outside and used for driving outside air into the heat exchanger, and the air cleaning system comprises a particle interception module, a monitoring module and a cleaning module, wherein the particle interception module is arranged in the air inlet channel in a matched mode and used for intercepting fixed particles of air entering the air inlet channel, the monitoring module is used for monitoring the interception condition of the fixed particles of the particle interception module, and the cleaning module is used for automatically cleaning and replacing the particle interception module;
wherein, the particle interception module comprises a matching ring, a fixing ring, at least one layer of filter screen, an opening groove, a protruding block, a display lamp and a flexible pressure sensor, the matching ring is provided with an outer annular wall which is in sliding fit with the inner wall of the air inlet channel, the fixing ring is fixed on part of the inner wall of the air inlet channel, the outer annular wall of the fixing ring is tensioned at the annular opening area of the matching ring, the opening groove is arranged on the side annular wall of the fixing ring, the protruding block is arranged on the side annular wall of the matching ring and is in clamping fit with the opening groove, the display lamp is arranged on the fixing ring, and the flexible pressure sensor is arranged in the opening groove to judge the clamping alignment condition of the protruding block and the opening groove, one end of the air inlet channel communicated with the interior of the compact micro-channel heat exchanger is an air outlet end of the air inlet channel, and one end of the air inlet channel, which extends towards the outside of the compact micro-channel heat exchanger, is an air inlet end of the air inlet channel;
the cleaning module comprises a movable body entering the inside of the air inlet channel from the air inlet end of the air inlet channel, a suction unit arranged on the movable body and used for sucking dust on the inner channel wall of the air inlet channel, and a fixing mechanism arranged at one end of the movable body and used for fixing the matching ring so as to detachably transfer the matching ring from the inside of the air inlet channel to the outside of the air inlet channel;
the movable machine body comprises a fixed channel, at least three driving rods which are arranged at the periphery of the fixed channel at preset distances and are of plate-shaped structures parallel to the fixed channel, fixing rods which are used for fixedly connecting the driving rods with the outer wall of the fixed channel respectively, driving wheels which are movably embedded on the driving rods and are used for being in sliding fit with the inner channel wall of the air inlet channel, and rotating motors which are used for driving the driving wheels to rotate respectively;
the fixing mechanism comprises an adsorption disc fixedly connected with one end of the fixing channel, permanent magnet blocks uniformly distributed and embedded on the matching ring, electromagnetic coils uniformly embedded on the adsorption disc, and a controller for controlling the communication condition of each electromagnetic coil and a power supply;
the suction unit comprises a dust bin arranged in the fixed passage and used for collecting dust, an adsorption bin arranged in the fixed passage and adjacent to the dust bin, an air suction pump arranged in the adsorption bin, and first suction holes penetrating through two ends of the driving rod and arranged at intervals with the driving wheel, the second suction hole penetrates through the adsorption disc, the suction pipe is communicated with one end of the first suction hole and/or the second suction hole, which is close to the fixed channel, and the other end of the suction pipe is communicated with the adsorption bin, so that the first suction hole and/or the second suction hole generate adsorption negative pressure, the interception net is closely connected with the connection port area of the adsorption bin and the dust bin in a surrounding mode, so that solid particles sucked by the suction pipe are intercepted, and the air outlet hole is arranged on the dust bin and communicated with the periphery of the dust bin;
the technical personnel in the field perform repeated experimental training in advance, when the lug is clamped and fixed in the open groove, the detection value of the flexible pressure sensor is a registration value, and when the detection value of the flexible pressure sensor reaches the registration value, the flexible pressure sensor sends a signal to the display lamp to perform lamplight display so as to remind a user that the matching ring is clamped and matched on the fixing ring;
the monitoring module comprises a transparent window arranged on the partial inner channel wall of the air inlet channel, an image acquisition unit for acquiring images of the filter screen in the air inlet channel through the transparent window, a judgment unit for receiving the image information acquired by the image acquisition unit and further analyzing and processing the image information to judge the dust interception condition of the filter screen, and a reminding unit for generating a cleaning signal to remind a user of replacing the filter screen when the judgment unit judges that the dust interception condition of the filter screen reaches the upper limit threshold value, the transparent window is a transparent shell which is arranged on the partial inner channel wall of the side edge area of the filter screen of the air inlet channel and partially penetrates into the air inlet channel, the image acquisition unit is a miniature camera device which is matched in the shell and the camera of the image acquisition unit is arranged opposite to the filter screen;
the judging unit comprises the following processing steps:
s101: filtering the image information obtained by the image acquisition unit to distinguish the filter screen from the background image and extract a filter screen image,
s102: graying the filter screen image to obtain a gray average of unit pixels of the filter screen image,
s103: based on the negative correlation between the dust interception on the filter screen and the gray level average value of the filter screen image, the gray level average value of the filter screen image corresponding to the upper limit threshold of the dust interception on the filter screen is taken as a preset threshold in advance,
s104: when the average value of the gray scales of the actual filter screen image reaches a preset threshold value, the judging unit judges that the intercepted dust amount of the filter screen reaches an upper limit threshold value;
the reminding unit is in signal connection with a preset target terminal device based on a communication signal and sends a reminding signal to the terminal device to remind related workers of carrying out operation of the cleaning module;
the invention monitors the interception condition of the dust and the solid particles such as foreign matters of the filter screen, thereby effectively knowing the interception condition of the solid particles of the filter screen and timely cleaning and replacing the corresponding filter screen so as to ensure the heat dissipation efficiency of the compact micro-channel heat exchanger.
Example two:
in addition to the contents of the above embodiments, the embodiments shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 are also included:
the cleaning module comprises a movable body entering the inside of the air inlet channel from the air inlet end of the air inlet channel, a suction unit arranged on the movable body and used for sucking dust on the inner channel wall of the air inlet channel, and a fixing mechanism arranged at one end of the movable body and used for fixing the matching ring so as to detachably transfer the matching ring from the inside of the air inlet channel to the outside of the air inlet channel, the movable machine body comprises a fixed channel, at least three driving rods which are arranged at the periphery of the fixed channel at preset distances and are of plate-shaped structures parallel to the fixed channel, fixing rods which are used for fixedly connecting the driving rods with the outer wall of the fixed channel respectively, driving wheels which are movably embedded on the driving rods and are used for being in sliding fit with the inner channel wall of the air inlet channel, and rotating motors which are used for driving the driving wheels to rotate respectively;
the driving rods respectively surround the outer areas of the fixed channels through corresponding fixed rods, and when the movable machine body enters the air inlet channel for operation, each driving rod is close to the inner channel wall of the air inlet channel, and the driving wheels correspondingly abut against and act on the inner channel wall of the air inlet channel, so that the movable machine body moves in the air inlet channel under the rotation of the driving wheels;
the fixing mechanism comprises an adsorption disc fixedly connected with one end of the fixing channel, permanent magnet blocks uniformly distributed and embedded on the matching ring, electromagnetic coils uniformly embedded on the adsorption disc and a controller for controlling the communication condition of each electromagnetic coil and a power supply, wherein the electromagnetic coils are arranged in a way that when the electromagnetic coils are communicated with the power supply, the electromagnetic coils generate magnetic attraction force on the permanent magnet blocks oppositely arranged, so that the matching ring is adsorbed on the adsorption disc, and the matching ring is fixedly transferred into the air inlet channel under the moving drive of the movable machine body so as to realize the replacement of the filter screen;
the first suction hole adsorbs and cleans dust on the inner wall of the air inlet channel in the area near the driving rod, and meanwhile, the movable machine body can also clamp the matching ring tensioned with a new filter screen on the fixing ring in a counterpoint manner again;
when the movable body is used for clamping the matching ring tensioned with a new filter screen to the fixing ring again, the matching ring to be used is adsorbed and fixed through the adsorption disc, the matching ring is transported to the fixing ring from the air inlet end of the air inlet channel to be clamped and fixed under the movement of the movable body, the flexible pressure sensor sends alignment information to the controller through a communication technology when the monitoring value of the flexible pressure sensor reaches the alignment value, the controller controls the disconnection between each electromagnetic coil and a power supply, and then the adsorption mechanism releases the matching ring, so that the automatic assembly of the matching ring and the fixing ring is realized;
the filter screen is replaced by the fixing mechanism, so that the cleaning and protection of the heat exchanger are effectively realized.
Example three:
in addition to the contents of the above embodiments, the present invention also includes the following embodiments, with reference to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5:
the suction unit comprises a dust bin arranged in the fixed passage and used for collecting dust, an adsorption bin arranged in the fixed passage and adjacent to the dust bin, an air suction pump arranged in the adsorption bin, and first suction holes penetrating through two ends of the driving rod and arranged at intervals with the driving wheel, the second suction hole penetrates through the adsorption disc, the suction pipe is communicated with one end of the first suction hole and/or the second suction hole, which is close to the fixed channel, and the other end of the suction pipe is communicated with the adsorption bin, so that the first suction hole and/or the second suction hole generate adsorption negative pressure, the interception net is closely connected with the connection port area of the adsorption bin and the dust bin in a surrounding mode, so that solid particles sucked by the suction pipe are intercepted, and the air outlet hole is arranged on the dust bin and communicated with the periphery of the dust bin;
the connection area of the adsorption bin and the dust bin is used as a connection channel, the edge of the interception net is hermetically connected with the inner edge wall of the connection channel, the rest part of the interception net is matched in the dust bin, a movable window for opening the interior of the dust bin is arranged in the dust bin, so that dust particles collected in the connection channel are transferred through the movable window, and the dust particles on the filter screen can be adsorbed and cleaned without replacing the filter screen on the basis of the second suction hole;
according to the invention, the suction cleaning treatment of dust particles of the air inlet channel and the filter screen is realized by the suction unit, and the air inlet channel and the filter screen can be cleaned by sucking the dust particles regularly, so that the cleanliness of the air inlet channel is effectively improved, the service life of the filter screen is prolonged, and the heat exchange efficiency of the compact micro-channel heat exchanger is improved.
Although the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the invention. That is, the methods, systems, and devices discussed above are examples. Various configurations may omit, substitute, or add various procedures or components as appropriate. For example, in alternative configurations, the methods may be performed in an order different than that described, and/or various components may be added, omitted, and/or combined. Moreover, features described with respect to certain configurations may be combined in various other configurations, as different aspects and elements of the configurations may be combined in a similar manner. Further, elements therein may be updated as technology evolves, i.e., many elements are examples and do not limit the scope of the disclosure or claims. And it should be understood that various changes and modifications can be made by those skilled in the art after reading the description of the present invention, and such equivalent changes and modifications also fall within the scope of the present invention defined by the claims.
Claims (6)
1. An air cleaning system based on a compact micro-channel heat exchanger, wherein the compact micro-channel heat exchanger comprises an air inlet channel communicated with the outside and used for driving outside air into the heat exchanger, and the air cleaning system is characterized by comprising a particle interception module, a monitoring module and a cleaning module, wherein the particle interception module is arranged in the air inlet channel in a matched mode and used for intercepting fixed particles of air entering the air inlet channel, the monitoring module is used for monitoring the interception condition of the fixed particles of the particle interception module, and the cleaning module is used for automatically cleaning and replacing the particle interception module;
wherein, the particle interception module comprises a matching ring, a fixing ring, at least one layer of filter screen, an opening groove, a protruding block, a display lamp and a flexible pressure sensor, the matching ring is provided with an outer annular wall which is in sliding fit with the inner wall of the air inlet channel, the fixing ring is fixed on part of the inner wall of the air inlet channel, the outer annular wall of the fixing ring is tensioned at the annular opening area of the matching ring, the opening groove is arranged on the side annular wall of the fixing ring, the protruding block is arranged on the side annular wall of the matching ring and is in clamping fit with the opening groove, the display lamp is arranged on the fixing ring, and the flexible pressure sensor is arranged in the opening groove to judge the clamping alignment condition of the protruding block and the opening groove, one end of the air inlet channel communicated with the interior of the compact micro-channel heat exchanger is an air outlet end of the air inlet channel, and one end of the air inlet channel, which extends towards the outside of the compact micro-channel heat exchanger, is an air inlet end of the air inlet channel.
2. The air cleaning system according to claim 1, wherein the monitoring module includes a transparent window provided in a partial inner wall of the air intake passage, an image acquisition unit that acquires an image of the filter screen inside the air intake passage through the transparent window, a determination unit that receives the image information acquired by the image acquisition unit and further analyzes and processes the image information to determine a dust interception condition of the filter screen, and a warning unit that generates a cleaning signal to warn a user of replacement of the filter screen when the determination unit determines that the dust interception condition of the filter screen reaches an upper threshold value thereof.
3. The air cleaning system according to claim 2, wherein the cleaning module includes a movable body entering from an air intake end of the air intake passage to an inside of the air intake passage, a suction unit provided on the movable body and performing dust suction on an inner duct wall of the air intake passage, and a fixing mechanism provided at one end of the movable body and fixing the fitting ring to detachably transfer the fitting ring from the inside of the air intake passage to an outside of the air intake passage.
4. The air cleaning system according to claim 3, wherein the movable body includes a fixed passage, at least three driving rods having a plate-like structure disposed at a predetermined distance at the periphery of the fixed passage and parallel to the fixed passage, fixing rods for respectively fixedly connecting the driving rods to the outer wall of the fixed passage, driving wheels movably embedded in the driving rods and slidably engaged with the inner wall of the air intake passage, and rotating motors for respectively driving the driving wheels to rotate.
5. The air cleaning system according to claim 4, wherein the fixing mechanism comprises an adsorption plate fixedly connected with one end of the fixing channel, permanent magnet blocks uniformly distributed and embedded on the matching ring, electromagnetic coils uniformly embedded on the adsorption plate, and a controller for controlling the communication condition of each electromagnetic coil and a power supply.
6. The air cleaning system according to claim 5, wherein the suction unit comprises a dust bin disposed inside the fixed passage for collecting dust, an adsorption bin disposed inside the fixed passage and adjacent to the dust bin, a suction pump disposed in the adsorption bin, a first suction hole penetrating through both ends of the driving rod and spaced from the driving wheel, a second suction hole penetrating and fitted to the adsorption plate, a suction pipe having one end communicating with one end of the first suction hole and/or the second suction hole close to the fixed passage and the other end communicating with the adsorption bin to generate negative suction pressure in the first suction hole and/or the second suction hole, a net having an edge surrounding a connection port area closely attached to the adsorption bin and the dust bin to intercept solid particles sucked by the suction pipe, and a suction pipe having an end connected to the connection port area of the adsorption bin and the dust bin to generate negative suction pressure in the first suction hole and/or the second suction hole, And the air outlet hole is arranged in the dust bin and communicated with the outside of the dust bin.
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| WO2014193103A1 (en) * | 2013-05-30 | 2014-12-04 | (주) 베스트환경산업 | Duct cleaning robot |
| CN109351725A (en) * | 2018-11-12 | 2019-02-19 | 东莞理工学院 | A kind of pipeline cleaning robot |
| CN209663924U (en) * | 2019-03-26 | 2019-11-22 | 中国地质大学（北京） | A kind of pipeline cleaning robot |
| CN112705534A (en) * | 2020-12-03 | 2021-04-27 | 成都轨道交通产业技术研究院有限公司 | Rail vehicle air conditioner pipeline cleaning device |
| CN112630229A (en) * | 2021-03-09 | 2021-04-09 | 西南石油大学 | Pipeline robot for oil and gas pipeline and pipeline defect detection and repair method |
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Application publication date: 20220506 |