Air conditioner fan coil

Abstract

The invention is suitable for the technical field of fan coils, and provides an air conditioner fan coil which comprises a shell, an air outlet and an air inlet which are formed in the front side and the rear side of the shell correspondingly, and further comprises a plurality of heat exchange pipes fixedly connected into the shell, and the heat exchange pipes coincide in the overlook angle; two fixing plates are fixed in the shell in the height direction of the shell, ventilation openings are formed in the two fixing plates, and the multiple heat exchange pipes are located between the two fixing plates. When the rotating shaft gets close to the cooling fins, the pushing assembly overcomes the elastic force of the elastic pushing assembly and drives the cooling fins to be away from the heat exchange pipe till the cooling fins retract into the scraping grooves, the scraping grooves scrape water drops on the cooling fins, the water drops are scraped on the fixed scraping plate, and the movable cleaning cotton sleeve wipes and cleans the fixed scraping plate and the heat exchange pipe. And the elastic pushing assembly pushes the cooling fins to the heat exchange tube again, so that wiping and cleaning of the heat exchange tube and the cooling fins are completed.

Description

Technical Field

[0001] The invention belongs to the technical field of fan coil units, and in particular relates to an air-conditioning fan coil unit. Background Art

[0002] Fan coil is also called fan coil unit. It is one of the terminal devices of air conditioning system, which is composed of small fan, motor and coil (air heat exchanger). Fan coil is a commonly used terminal device for cooling or heating.

[0003] During refrigeration, water vapor in the air is cooled and liquefied to form water droplets, which are easily attached to the coil. If the water droplets on the coil are not handled in time, the water droplets are easy to condense into frost, and the water droplets are easy to absorb impurities such as dust in the air. The stains will affect the heat exchange efficiency of the coil and corrode the coil. The existing Chinese invention patent (CN118149381B) discloses an air conditioning fan coil assembly and air conditioning system, which drives the gear to reciprocate by starting the motor, and through the meshing of the gear and the toothed belt, the motor reciprocates along the slide rail direction, so that the connecting member reciprocates, drives the cross bar to reciprocate, and makes the sponge rod reciprocate. At the same time, when the motor is started, it drives the internal telescopic member to rotate, so that the transmission rod rotates, and drives multiple sponge rods to rotate. At this time, the multiple sponge rods rotate while reciprocating, so that the multiple sponge rods rub and defrost the coil.

[0004] Although the coil can be cleaned in the above method, the coil is often equipped with multiple heat sinks when working to improve the heat exchange efficiency of the coil. The heat sinks will affect the movement of the sponge rod, so the above method still cannot effectively deal with the water drops on the coil. Summary of the invention

[0005] The purpose of the embodiment of the present invention is to provide an air-conditioning fan coil unit, aiming to solve the problem that the existing device is still unable to effectively treat the water droplets on the coil unit.

[0006] The present invention is implemented as follows: an air-conditioning fan coil unit comprises a shell, and an air outlet and an air inlet respectively arranged on the front and rear sides of the shell, and further comprises: a plurality of heat exchange tubes are fixedly connected in the shell, the plurality of heat exchange tubes overlap in a top-down view, two fixed plates are fixed in the shell along the height direction of the shell, vents are arranged on the two fixed plates, and the plurality of heat exchange tubes are located between the two fixed plates; two fixed scrapers are fixed between the two fixed plates, and the plurality of heat exchange tubes are located between the two fixed scrapers; a plurality of scraping grooves are arranged on the two fixed scrapers along the length direction of the fixed scrapers, a heat sink is movably connected in the scraping groove, a plurality of arc-shaped matching grooves are arranged on one end of the heat sink close to the heat exchange tube, and the arc-shaped matching grooves are connected to the side walls of the heat exchange tubes Matching; an elastic pushing component is provided on the fixed plate, and the elastic pushing component pushes the heat sink to the heat exchange tube; guide grooves are provided in the two vents, and mounting blocks are slidably connected in the two guide grooves, and two rotating shafts are rotatably connected between the two mounting blocks, and the two rotating shafts are respectively located on the front and rear sides of a plurality of heat exchange tubes, and cleaning cotton sleeves are fixed on the two rotating shafts; a driving mechanism is connected to the rotating shaft, and the driving mechanism is used to drive the rotating shaft to rotate, and the driving mechanism drives the mounting block to move along the length direction of the heat exchange tube; a pushing component is provided on the rotating shaft, and when the rotating shaft approaches the heat sink, the pushing component overcomes the elastic force of the elastic pushing component and drives the heat sink away from the heat exchange tube until the heat sink is retracted into the scraping groove.

[0007] According to a further technical solution, a drain pipe is connected to the side wall of the shell, and two wind shields are fixed to the upper end of the fixed plate, and the two wind shields are respectively located at two ends of the vent.

[0008] According to a further technical solution, the elastic pushing assembly includes a guide groove arranged on a fixed plate, a horizontal sliding plate is slidably connected in the guide groove, the heat sink is connected to the horizontal sliding plate, a tension spring is fixed at one end of the horizontal sliding plate close to the heat exchange tube, and the tension spring is fixed on the fixed plate.

[0009] According to a further technical solution, an auxiliary sealing plate is fixed to one end of the horizontal sliding plate away from the heat exchange tube, a receiving groove is provided in the guide groove, and a distal end of the auxiliary sealing plate extends into the receiving groove.

[0010] According to a further technical solution, the pushing assembly comprises a rotating sleeve rotatably connected to the end of the horizontal sliding plate, and the mounting block is provided with a pushing protrusion, which cooperates with the rotating sleeve.

[0011] A further technical solution is that the driving mechanism includes gears fixed on two rotating shafts, and the two gears are meshed. A concave mounting plate is fixed on the lower end of one of the mounting blocks, and a motor is fixed on the concave mounting plate. The rotating end of the motor is connected to one of the rotating shafts. A transmission assembly is provided on the mounting block, and when the rotating shaft rotates, the transmission assembly drives the mounting block to move in the guide groove.

[0012] According to a further technical solution, the transmission assembly includes a gear 2 rotatably connected to one of the mounting blocks, the gear 2 meshes with one of the gears 1, and a rack is fixed to the lower end of one of the fixed plates, the rack meshes with the gear 2.

[0013] A further technical solution is that the cleaning cotton sleeve is alternately provided with a plurality of annular fitting grooves and a plurality of annular fitting protrusions, the annular fitting grooves cooperate with the heat exchange tube, and a plurality of arc-shaped avoidance grooves are provided at one end of the fixed scraper close to the heat exchange tube, the arc-shaped avoidance grooves cooperate with the annular fitting protrusions, and a moving component is provided on the horizontal sliding plate, and when the heat sink is away from the heat exchange tube, the moving component drives the heat sink to move upward until the arc-shaped matching groove on the heat sink coincides with the arc-shaped avoidance groove on the fixed scraper.

[0014] A further technical solution is that the moving component includes a vertical slide groove arranged on a horizontal sliding plate near one end of the heat exchange tube, a vertical slide plate is slidably connected in the vertical slide groove, the heat sink is fixed on the vertical slide plate at one end away from the heat exchange tube, a matching push groove is arranged on the heat sink, the matching push groove includes a horizontal section and an oblique push section, a fixed push shaft is fixed on the fixed scraper, and the fixed push shaft is arranged in the matching push groove.

[0015] According to a further technical solution, a V-shaped extrusion plate is fixed between the two fixing plates, a plurality of protective sleeves are fixed on the V-shaped extrusion plate, and the plurality of heat exchange tubes are respectively arranged in the plurality of protective sleeves.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. When the rotating shaft approaches the heat sink, the pushing component overcomes the elastic force of the elastic pushing component and drives the heat sink away from the heat exchange tube until the heat sink retracts into the scraping groove. The scraping groove scrapes off the water droplets on the heat sink, and the water droplets are scraped on the fixed scraper. The moving cleaning cotton sleeve wipes and cleans the fixed scraper and the heat exchange tube. When the rotating shaft moves away from the heat sink, the elastic pushing component pushes the heat sink onto the heat exchange tube again, thereby completing the wiping and cleaning of the heat exchange tube and the heat sink;

[0018] 2. When the cleaning sponge moves to the inside of the V-shaped squeezing plate, the V-shaped squeezing plate squeezes the cleaning sponge to dehydrate the cleaning sponge;

[0019] 3. When the cleaning cotton sleeve enters the V-shaped extrusion plate, the cleaning cotton sleeve begins to contact the protective sleeve, thereby preventing the cleaning cotton sleeve from squeezing the heat exchange tube when being squeezed, thereby protecting the heat exchange tube;

[0020] 4. An annular fitting groove is provided on the side wall of the cleaning sponge, so that the cleaning sponge can fit on the side wall of the heat exchange tube through the annular fitting groove, thereby preventing the heat exchange tube from being subjected to pressure, and the cleaning sponge has better contact with the heat exchange tube, thereby improving the wiping and cleaning effect of the cleaning sponge;

[0021] 5. The heat sink and the vertical slide plate move obliquely upward until the heat sink is retracted into the fixed scraper, and the arc-shaped matching groove and the arc-shaped avoidance groove, and the annular fitting protrusion on the cleaning cotton sleeve wipe and clean the inner wall of the arc-shaped matching groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic structural diagram of an air-conditioning fan coil unit provided by the present invention;

[0023] Figure 2 A schematic diagram of the structure of the rear side of an air-conditioning fan coil provided by the present invention;

[0024] Figure 3 The present invention provides Figure 2 Schematic diagram of the structure after removing the shell;

[0025] Figure 4 The present invention provides Figure 3 A is a schematic diagram of the enlarged structure of the middle part;

[0026] Figure 5 The present invention provides Figure 3 Schematic diagram of the structure when looking up at the tilt angle;

[0027] Figure 6 The present invention provides Figure 3 Schematic diagram of the structure after removing the windshield;

[0028] Figure 7 The present invention provides Figure 3 Schematic diagram of the structure of the middle fixed plate and the fixed scraper;

[0029] Figure 8 The present invention provides Figure 7 Structural diagram of the middle fixed plate;

[0030] Fig. 9 The present invention provides Figure 4 Schematic diagram of the structure of the fixed scraper and heat sink;

[0031] Fig.10 The present invention provides Figure 5 A schematic diagram of the structure of the middle driving mechanism;

[0032] Fig.11 The present invention provides Figure 4 A schematic diagram of the structure in which the heat sink is in a heat dissipation state;

[0033] Fig.12 A schematic structural diagram of the heat sink and the fixed scraper when the heat sink provided by the present invention is in a clean state.

[0034] In the drawings: housing 101, air inlet 102, air outlet 103, fixing plate 104, heat exchange tube 105, fixing scraper 106, scraper groove 107, heat sink 108, arc-shaped matching groove 109, mounting block 110, rotating shaft 111, cleaning cotton sleeve 112, annular fitting groove 113, annular fitting protrusion 114, arc-shaped avoidance groove 115, drain pipe 116, wind shield 117, vent 118, pipeline assembly 2, vertical main pipe 1 201, inlet pipe 202, vertical main pipe 2 203, outlet pipe 204, drive Mechanism 3, gear 1 301, concave mounting plate 302, motor 303, guide slide groove 304, transmission component 4, gear 2 401, rack 402, elastic pushing component 5, guide groove 501, horizontal sliding plate 502, tension spring 503, auxiliary sealing plate 504, pushing component 6, pushing protrusion 601, rotating sleeve 602, moving component 7, vertical slide groove 701, vertical slide plate 702, fixed push shaft 703, matching push groove 704, horizontal section 705, oblique push section 706, V-shaped extrusion plate 801, protective sleeve 802. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0036] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0037] like Figure 1-Figure 12As shown, an air-conditioning fan coil unit provided by an embodiment of the present invention comprises a shell 101, and an air outlet 103 and an air inlet 102 respectively arranged on the front and rear sides of the shell 101, wherein the air inlet 102 is higher than the air outlet 103, and the air inlet 102 is connected to the fan, and further comprises: a plurality of heat exchange tubes 105 are fixedly connected in the shell 101, the plurality of heat exchange tubes 105 overlap in a top view, the plurality of heat exchange tubes 105 are connected through a pipeline assembly 2, the pipeline assembly 2 comprises a vertical main pipe 1 201 and a vertical main pipe 203 fixed on a fixing plate 104, and the ends of the plurality of heat exchange tubes 105 are respectively connected to the vertical main pipe 1 201 and the vertical main pipe 203. The first vertical pipe 201 and the second vertical pipe 203 are connected, and the inlet pipe 202 and the outlet pipe 204 are connected respectively, and the inlet pipe 202 is lower than the plurality of heat exchange pipes 105, and the outlet pipe 204 is higher than the plurality of heat exchange pipes 105; two fixing plates 104 are fixed in the shell 101 along the height direction of the shell 101, and the two fixing plates 104 are provided with vents 118, and the plurality of heat exchange pipes 105 are located between the two fixing plates 104; two fixing scrapers 106 are fixed between the two fixing plates 104, and the two fixing scrapers 106 are respectively located at the front and rear sides of the vents 118, and the plurality of heat exchange pipes 105 are located between the two fixing plates 104; The fixed scraper 106 is provided with a plurality of scraping grooves 107 along the length direction of the fixed scraper 106, and a heat sink 108 is movably connected in the scraping groove 107, and a plurality of arc-shaped matching grooves 109 are provided at one end of the heat sink 108 close to the heat exchange tube 105, and the arc-shaped matching grooves 109 cooperate with the side wall of the heat exchange tube 105; an elastic pushing component 5 is provided on the fixed plate 104, and the elastic pushing component 5 pushes the heat sink 108 to the heat exchange tube 105; a guide slot 304 is provided in each of the two vents 118, and a mounting block 110 is slidably connected in each of the two guide slots 304, and two mounting blocks 110 are provided. There are two rotating shafts 111 rotatably connected between the blocks 110, and the two rotating shafts 111 are respectively located on the front and rear sides of the multiple heat exchange tubes 105, and cleaning cotton sleeves 112 are fixed on the two rotating shafts 111; the rotating shaft 111 is connected to a driving mechanism 3, and the driving mechanism 3 is used to drive the rotating shaft 111 to rotate, and the driving mechanism 3 drives the mounting block 110 to move along the length direction of the heat exchange tube 105; a pushing component 6 is arranged on the rotating shaft 111, and when the rotating shaft 111 approaches the heat sink 108, the pushing component 6 overcomes the elastic force of the elastic pushing component 5 and drives the heat sink 108 away from the heat exchange tube 105 until the heat sink 108 is retracted into the scraping groove 107.

[0038] In the embodiment of the present invention, when in use, the elastic pushing component 5 pushes the heat sink 108 to the heat exchange tube 105, and the heat exchange liquid enters the vertical main pipe 1 201 from the inlet pipe 202, and then enters the multiple heat exchange tubes 105. The heat exchange liquid is collected in the vertical main pipe 203 and discharged from the outlet pipe 204, so that the heat exchange liquid flows in the multiple heat exchange tubes 105. The heat exchange liquid in the multiple heat exchange tubes 105 exchanges heat with the surrounding air through the heat sink 108, so as to play a role in cooling or heating. The fan blows fresh air into the air inlet 102, so that the air circulates from the air inlet 102, the two ventilation ports 118 and the air outlet 103 in sequence. During cooling, the water vapor in the air is liquefied by cooling and easily adheres to the heat exchange tube 105 and the heat sink 108. When it is necessary to deal with the condensed water droplets on the heat exchange tube 105 and the heat sink 108, the fan is driven The mechanism 3 is used to drive the rotating shaft 111 to rotate, and the rotating shaft 111 drives the cleaning cotton sleeve 112 to rotate, and the driving mechanism 3 drives the mounting block 110 to move along the length direction of the heat exchange tube 105, and the mounting block 110 drives the rotating shaft 111 and the cleaning cotton sleeve 112 to move. When the rotating shaft 111 approaches the heat sink 108, the pushing component 6 overcomes the elastic force of the elastic pushing component 5 and drives the heat sink 108 away from the heat exchange tube 105 until the heat sink 108 retracts into the scraping groove 107. The scraping groove 107 scrapes off the water droplets on the heat sink 108, and the water droplets are scraped on the fixed scraper 106. The moving cleaning cotton sleeve 112 wipes and cleans the fixed scraper 106 and the heat exchange tube 105. When the rotating shaft 111 moves away from and approaches the heat sink 108, the elastic pushing component 5 pushes the heat sink 108 onto the heat exchange tube 105 again, thereby completing the wiping and cleaning of the heat exchange tube 105 and the heat sink 108.

[0039] like Figure 2 , Figure 8 and Fig.10 As shown, as a preferred embodiment of the present invention, a V-shaped extrusion plate 801 is fixed between the two fixed plates 104, a plurality of protective sleeves 802 are fixed on the V-shaped extrusion plate 801, a plurality of heat exchange tubes 105 are respectively arranged in the plurality of protective sleeves 802, a drain pipe 116 is connected to the side wall of the shell 101, two wind shields 117 are fixed to the upper end of the upper fixed plate 104, the two wind shields 117 are respectively located at both ends of the vent 118, and the V-shaped extrusion plate 801 is located at one end of the vent 118.

[0040] In an embodiment of the present invention, when the cleaning cotton cover 112 moves to the inside of the V-shaped extrusion plate 801, the V-shaped extrusion plate 801 squeezes the cleaning cotton cover 112, thereby dehydrating the cleaning cotton cover 112, and when the cleaning cotton cover 112 enters the V-shaped extrusion plate 801, the cleaning cotton cover 112 begins to contact the protective cover 802, thereby preventing the cleaning cotton cover 112 from squeezing the heat exchange tube 105 when being squeezed, thereby protecting the heat exchange tube 105, and the squeezed water is collected in the shell 101 and discharged from the drain pipe 116.

[0041] like Figure 3 , Figure 4 , Figure 8 and Fig.11 As shown, as a preferred embodiment of the present invention, the elastic pushing component 5 includes a guide groove 501 arranged on the fixed plate 104, and a horizontal sliding plate 502 is slidably connected in the guide groove 501, and the heat sink 108 is connected to the horizontal sliding plate 502, and a tension spring 503 is fixed at one end of the horizontal sliding plate 502 close to the heat exchange tube 105, and the tension spring 503 is fixed on the fixed plate 104, and an auxiliary sealing plate 504 is fixed at one end of the horizontal sliding plate 502 away from the heat exchange tube 105, and a receiving groove is arranged in the guide groove 501, and the end of the auxiliary sealing plate 504 extends into the receiving groove; the pushing component 6 includes a rotating sleeve 602 rotatably connected to the end of the horizontal sliding plate 502, and a pushing protrusion 601 is arranged on the mounting block 110, and the pushing protrusion 601 cooperates with the rotating sleeve 602.

[0042] In an embodiment of the present invention, the tension spring 503 pulls the horizontal sliding plate 502. Under the guiding action of the guide groove 501, the tension spring 503 pulls the horizontal sliding plate 502 to move, and the horizontal sliding plate 502 drives the heat sink 108 to rest against the heat exchange tube 105. At this time, the auxiliary sealing plate 504 blocks the guide groove 501, thereby preventing air leakage in the guide groove 501, and allowing wind to pass through the vent 118. When the mounting block 110 moves, the mounting block 110 drives the pushing protrusion 601 to move, and the pushing protrusion 601 pushes the rotating sleeve 602. The rotating sleeve 602 overcomes the elastic force of the tension spring 503 and drives the horizontal sliding plate 502 to move in the opposite direction, and the horizontal sliding plate 502 drives the heat sink 108 away from the heat exchange tube 105.

[0043] like Figure 5 and Fig.10As shown, as a preferred embodiment of the present invention, the driving mechanism 3 includes a gear 1 301 fixed on two rotating shafts 111, and the two gears 1 301 are meshed, a concave mounting plate 302 is fixed to the lower end of one of the mounting blocks 110, a motor 303 is fixed to the concave mounting plate 302, the rotating end of the motor 303 is connected to one of the rotating shafts 111, a transmission assembly 4 is provided on the mounting block 110, when the rotating shaft 111 rotates, the transmission assembly 4 drives the mounting block 110 to move in the guide groove 304, the transmission assembly 4 includes a gear 2 401 rotatably connected to one of the mounting blocks 110, the gear 2 401 is meshed with one of the gear 1 301, a rack 402 is fixed to the lower end of one of the fixed plates 104, the rack 402 is meshed with the gear 2 401.

[0044] In the embodiment of the present invention, the motor 303 drives one of the rotating shafts 111 to rotate, one of the rotating shafts 111 drives one of the gears 1 301 to rotate, one of the gears 1 301 drives another gear 1 301 to rotate, and the other gear 1 301 drives the other rotating shaft 111 to rotate, so that the two rotating shafts 111 rotate synchronously, and one of the gears 1 301 drives gear 2 401 to rotate, gear 2 401 rotates relative to the rack 402, the rack 402 pushes gear 2 401 to move, and gear 2 401 drives the mounting block 110 to move.

[0045] like Figure 3-Figure 12 As shown, as a preferred embodiment of the present invention, the cleaning cotton sleeve 112 is staggered with a plurality of annular fitting grooves 113 and a plurality of annular fitting protrusions 114, the annular fitting grooves 113 cooperate with the heat exchange tube 105, the fixed scraper 106 is provided with a plurality of arc-shaped avoidance grooves 115 at one end close to the heat exchange tube 105, the arc-shaped avoidance grooves 115 cooperate with the annular fitting protrusions 114, and the horizontal sliding plate 502 is provided with a moving component 7, when the heat sink 108 is away from the heat exchange tube 105, the moving component 7 drives the heat sink 108 to move upward until the arc-shaped matching grooves on the heat sink 108 are 109 coincides with the arc-shaped avoidance groove 115 on the fixed scraper 106, the movable component 7 includes a vertical slide groove 701 arranged on the horizontal sliding plate 502 near one end of the heat exchange tube 105, and a vertical slide plate 702 is slidably connected in the vertical slide groove 701, the heat sink 108 is fixed on the vertical slide plate 702 at one end away from the heat exchange tube 105, and a matching push groove 704 is arranged on the heat sink 108, and the matching push groove 704 includes a horizontal section 705 and an oblique push section 706, and a fixed push shaft 703 is fixed on the fixed scraper 106, and the fixed push shaft 703 is arranged in the matching push groove 704.

[0046] In the embodiment of the present invention, although the traditional straight cylindrical cleaning cotton sleeve 112 can contact the circumference of the heat exchange tube 105 by extrusion and deformation, it will cause the heat exchange tube 105 to be subjected to extrusion force, and the heat exchange tube 105 is subjected to uneven force. When the heat exchange tube 105 is cleaned and wiped for a long time, it is easy to damage the heat exchange tube 105, and the arc-shaped matching groove 109 of the heat sink 108 also has the problem of incomplete wiping and cleaning. In this example, an annular fitting groove 113 is provided on the side wall of the cleaning cotton sleeve 112, so that the cleaning cotton sleeve 112 can fit on the side wall of the heat exchange tube 105 through the annular fitting groove 113, thereby avoiding the heat exchange tube 105 from being subjected to pressure, and the cleaning cotton sleeve 112 has better contact with the heat exchange tube 105, thereby improving the wiping and cleaning effect of the cleaning cotton sleeve 112, and the annular fitting protrusion 114 on the cleaning cotton sleeve 112 extends into the arc-shaped avoidance groove 115. When cleaning, the horizontal sliding plate 502 drives the vertical sliding plate 702 to move, and the vertical sliding plate 702 drives the heat sink 108 to move. The fixed push shaft 703 first cooperates with the horizontal section 705 of the matching push groove 704. At this time, the heat sink 108 moves horizontally, so that the arc-shaped matching groove 109 of the heat sink 108 can be smoothly separated from the heat exchange tube 105. Then the fixed push shaft 703 cooperates with the oblique push section 706 of the matching push groove 704, and the fixed push shaft 703 pushes the oblique push section 706, and under the guidance of the vertical sliding groove 701, the heat sink 108 and the vertical sliding plate 702 are pushed upward, so that the heat sink 108 and the vertical sliding plate 702 move obliquely upward until the heat sink 108 is retracted into the fixed scraper 106, and the arc-shaped matching groove 109 coincides with the arc-shaped avoidance groove 115, and the annular fitting protrusion 114 on the cleaning cotton sleeve 112 wipes and cleans the inner wall of the arc-shaped matching groove 109.

[0047] The above embodiment of the present invention provides an air conditioning fan coil unit. When in use, the tension spring 503 pulls the horizontal sliding plate 502. Under the guiding action of the guide groove 501, the tension spring 503 pulls the horizontal sliding plate 502 to move, and the horizontal sliding plate 502 drives the vertical sliding plate 702 to move. The vertical sliding plate 702 drives the heat sink 108 to press against the heat exchange tube 105. The heat exchange liquid enters the vertical main pipe 1 201 from the inlet pipe 202, and then enters the multiple heat exchange tubes 105. The heat exchange liquid is collected in the vertical main pipe 203 and discharged from the outlet pipe 204, so that the heat exchange liquid flows in the multiple heat exchange tubes 105. The heat exchange liquid in the multiple heat exchange tubes 105 exchanges heat with the surrounding air through the heat sink 108, thereby playing a role of cooling or heating. The fan blows fresh air into the air inlet 102, so that the air circulates from the air inlet 102, the two vents 118 and the air outlet 103 in sequence. During cooling, the water vapor in the air is liquefied by cooling and easily adheres to the heat exchange tube 105 and the heat sink 108. When the water droplets condensed on the heat exchange tube 105 and the heat sink 108 need to be processed, the motor 303 drives one of the rotating shafts 111 to rotate, and one of the rotating shafts 111 drives one of the gears 1301 to rotate, and one of the gears 1301 drives another gear 1301 to rotate, and the other gear 1301 drives another rotating shaft 111 to rotate, so that the two rotating shafts 111 rotate synchronously, and the two rotating shafts 111 respectively drive two cleaning cotton sleeves 112 to rotate synchronously. And one of the gears 1 301 drives the gear 2 401 to rotate, the gear 2 401 rotates relative to the rack 402, the rack 402 pushes the gear 2 401 to move, the gear 2 401 drives the mounting block 110 to move, the mounting block 110 drives the rotating shaft 111 and the cleaning cotton sleeve 112 to move, when the rotating shaft 111 is close to the heat sink 108, the mounting block 110 drives the pushing protrusion 601 to move, the pushing protrusion 601 pushes the rotating sleeve 602, the rotating sleeve 602 overcomes the elastic force of the tension spring 503 and drives the horizontal sliding plate 502 to move in the opposite direction, the horizontal sliding plate 502 drives the vertical slide plate 702 to move, the vertical slide plate 702 drives the heat sink 108 to move, the fixed push shaft 703 first cooperates with the horizontal section 705 of the matching push groove 704, at this time the heat sink 1 08 moves horizontally, thereby making the arc-shaped matching groove 109 of the heat sink 108 smoothly detach from the heat exchange tube 105, and then the fixed push shaft 703 cooperates with the oblique push section 706 of the matching push groove 704, and the fixed push shaft 703 pushes the oblique push section 706, and under the guidance of the vertical slide groove 701, the heat sink 108 and the vertical slide plate 702 are pushed upward, thereby making the heat sink 108 and the vertical slide plate 702 move obliquely upward until the heat sink 108 is retracted into the fixed scraper 106, and the arc-shaped matching groove 109 coincides with the arc-shaped avoidance groove 115, the annular fitting protrusion 114 on the cleaning cotton sleeve 112 wipes and cleans the inner wall of the arc-shaped matching groove 109, and the annular fitting groove 113 on the cleaning cotton sleeve 112 wipes and cleans the side wall of the heat exchange tube 105,The moving cleaning sponge 112 wipes and cleans the fixed scraper 106. When the rotating shaft 111 moves away from the heat sink 108, the tension spring 503 pulls the horizontal sliding plate 502. Under the guidance of the guide groove 501, the tension spring 503 pulls the horizontal sliding plate 502 to move, and the horizontal sliding plate 502 drives the vertical slide plate 702 to move. The vertical slide plate 702 drives the heat sink 108 to move. The heat sink 108 is pressed against the heat exchange tube 105 under the cooperation of the fixed push shaft 703 and the matching push groove 704, thereby completing the wiping and cleaning of the heat exchange tube 105 and the heat sink 108.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An air conditioner fan coil unit, comprising a housing (101), and an air outlet (103) and an air inlet (102) respectively arranged on the front and rear sides of the housing (101), characterized in that: Also includes: A plurality of heat exchange tubes (105) are fixedly connected in the shell (101), and the plurality of heat exchange tubes (105) overlap in a top view; two fixing plates (104) are fixed in the shell (101) along the height direction of the shell (101); both fixing plates (104) are provided with ventilation holes (118), and the plurality of heat exchange tubes (105) are located between the two fixing plates (104); Two fixed scrapers (106) are fixed between the two fixed plates (104), and the plurality of heat exchange tubes (105) are all located between the two fixed scrapers (106); A plurality of scraping grooves (107) are provided on the two fixed scrapers (106) along the length direction of the fixed scrapers (106); a heat sink (108) is movably connected in the scraping groove (107); a plurality of arc-shaped matching grooves (109) are provided at one end of the heat sink (108) close to the heat exchange tube (105); and the arc-shaped matching grooves (109) match with the side wall of the heat exchange tube (105); An elastic pushing component (5) is provided on the fixing plate (104), and the elastic pushing component (5) pushes the heat sink (108) onto the heat exchange tube (105); A guide slot (304) is provided in each of the two vents (118), a mounting block (110) is slidably connected in each of the two guide slots (304), two rotating shafts (111) are rotatably connected between the two mounting blocks (110), the two rotating shafts (111) are respectively located at the front and rear sides of the plurality of heat exchange tubes (105), and a cleaning cotton sleeve (112) is fixed on each of the two rotating shafts (111); The rotating shaft (111) is connected to a driving mechanism (3), and the driving mechanism (3) is used to drive the rotating shaft (111) to rotate, and the driving mechanism (3) drives the mounting block (110) to move along the length direction of the heat exchange tube (105); A pushing component (6) is provided on the rotating shaft (111). When the rotating shaft (111) approaches the heat sink (108), the pushing component (6) overcomes the elastic force of the elastic pushing component (5) and drives the heat sink (108) away from the heat exchange tube (105) until the heat sink (108) is retracted into the scraping groove (107).

2. The air conditioning fan coil unit according to claim 1, characterized in that: A drainage pipe (116) is connected to the side wall of the shell (101), and two wind shields (117) are fixed to the upper end of the fixing plate (104) located above, and the two wind shields (117) are respectively located at the two ends of the ventilation opening (118).

3. The air conditioning fan coil unit according to claim 1, characterized in that: The elastic pushing component (5) comprises a guide groove (501) arranged on the fixed plate (104), and a horizontal sliding plate (502) is slidably connected in the guide groove (501); The heat sink (108) is connected to a horizontal sliding plate (502), and a tension spring (503) is fixed to one end of the horizontal sliding plate (502) close to the heat exchange tube (105), and the tension spring (503) is fixed to the fixed plate (104).

4. The air conditioning fan coil unit according to claim 3, characterized in that: An auxiliary sealing plate (504) is fixed to one end of the horizontal sliding plate (502) away from the heat exchange tube (105), a receiving groove is provided in the guide groove (501), and the end of the auxiliary sealing plate (504) extends into the receiving groove.

5. The air conditioning fan coil unit according to claim 1, characterized in that: The pushing assembly (6) comprises a rotating sleeve (602) rotatably connected to the end of the horizontal sliding plate (502), and a pushing protrusion (601) is provided on the mounting block (110), and the pushing protrusion (601) cooperates with the rotating sleeve (602).

6. The air conditioning fan coil unit according to claim 1, characterized in that: The driving mechanism (3) comprises a gear one (301) fixed on two rotating shafts (111), and the two gears one (301) are meshed; A concave mounting plate (302) is fixed to the lower end of one of the mounting blocks (110), a motor (303) is fixed on the concave mounting plate (302), and a rotating end of the motor (303) is connected to one of the rotating shafts (111); The installation block (110) is provided with a transmission assembly (4), and when the rotating shaft (111) rotates, the transmission assembly (4) drives the installation block (110) to move in the guide sliding groove (304).

7. The air conditioning fan coil unit according to claim 6, characterized in that: The transmission assembly (4) comprises a second gear (401) rotatably connected to one of the mounting blocks (110), the second gear (401) meshing with one of the first gears (301), and a rack (402) is fixed at the lower end of one of the fixing plates (104), the rack (402) meshing with the second gear (401).

8. The air conditioning fan coil unit according to claim 3, characterized in that: The cleaning cotton sleeve (112) is staggeredly provided with a plurality of annular fitting grooves (113) and a plurality of annular fitting protrusions (114), and the annular fitting grooves (113) cooperate with the heat exchange tube (105); A plurality of arc-shaped avoidance grooves (115) are provided at one end of the fixed scraper (106) close to the heat exchange tube (105), and the arc-shaped avoidance grooves (115) cooperate with the annular fitting protrusion (114); A moving component (7) is provided on the horizontal sliding plate (502). When the heat sink (108) moves away from the heat exchange tube (105), the moving component (7) drives the heat sink (108) to move upward until the arc-shaped matching groove (109) on the heat sink (108) overlaps with the arc-shaped avoidance groove (115) on the fixed scraper (106).

9. The air conditioning fan coil unit according to claim 8, characterized in that: The moving assembly (7) comprises a vertical slide groove (701) arranged at one end of the horizontal slide plate (502) close to the heat exchange tube (105), and a vertical slide plate (702) is slidably connected in the vertical slide groove (701); One end of the heat sink (108) away from the heat exchange tube (105) is fixed on the vertical slide plate (702), and a matching push groove (704) is provided on the heat sink (108), and the matching push groove (704) includes a horizontal section (705) and an oblique push section (706); A fixed push shaft (703) is fixed on the fixed scraper (106), and the fixed push shaft (703) is arranged in the matching push groove (704).

10. The air conditioning fan coil unit according to claim 1, characterized in that: A V-shaped extrusion plate (801) is fixed between the two fixing plates (104), a plurality of protective sleeves (802) are fixed on the V-shaped extrusion plate (801), and the plurality of heat exchange tubes (105) are respectively arranged in the plurality of protective sleeves (802).

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