Indoor heating device based on central heating system

Abstract

The invention relates to the technical field of heating equipment, and discloses an indoor heating device based on a central heating system, which comprises a heat supply pipe, a pressure pump and a mounting hoop fixedly mounted on one side of the outer part of the heat supply pipe, and further comprises a humidifying assembly arranged at the upper part of the inner part of the heat supply pipe, and a scraping assembly arranged at the lower part of the inner part of the heat supply pipe; the humidifying assembly comprises an air inlet barrel fixedly installed in the heat supply pipe, one side of the air inlet barrel is connected with an inward shrinkage part, one side of the inward shrinkage part is connected with a conical part, and the air inlet barrel communicates with the conical part through the inward shrinkage part. The scraping assembly comprises an inclined column table and a sliding plate, the inclined column table is fixed to the lower shaft, the sliding plate abuts against the inclined face of the inclined column table, and the problems that when indoor heating and temperature rising are conducted, indoor environment humidity evaporation is accelerated, air is dry, the indoor humidity is low, and the indoor crowd use comfort is not high are solved.

Description

Technical Field

[0001] The invention relates to the technical field of heating equipment, and in particular to an indoor heating device based on a central heating system. Background Art

[0002] At present, due to the low temperature in northern regions in winter, communities generally use centralized heating systems to provide heat to indoor areas. Centralized heating usually requires the construction of hundreds of meters or even kilometers of pipe trenches for supporting use. During the heating process, the indoor humidity evaporates faster and the air is relatively dry, so the actual comfort level is not high.

[0003] For example, an indoor heating device with announcement number CN216521961U includes a heating pipe, a filter plate is detachably installed on the right side of the lower end of the heating pipe, a PLC controller is installed on the right side of the upper end of the heating pipe, a wind speed sensor is installed on the right side of the inner cavity of the heating pipe, an electric push rod is installed at the lower end of the heating pipe, and a fixed block is installed at the output end of the electric push rod. Through the arranged wind speed sensor, electric push rod, fixed block, fixed plate, rubber block, first pull rope and second pull rope, solid particles, dust and other impurities attached to the filter plate can be shaken off to ensure the air flow of the heating pipe, and the distance between the fixed plate and the inner wall of the heating pipe can be controlled to effectively control the ventilation volume. However, when the indoor heating temperature rises, the indoor environmental humidity evaporates faster, the air is relatively dry, the indoor humidity is low, and the comfort level of indoor people is not high, which has certain limitations.

[0004] Therefore, an indoor heating device based on a central heating system is proposed to solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the present invention is to provide an indoor heating device based on a central heating system to solve the problem that when the indoor heating temperature rises, the indoor environmental humidity evaporates faster, the air is relatively dry, the indoor humidity is low, and the indoor comfort level is not high.

[0006] To achieve the above object, the present invention provides the following technical solution: an indoor heating device based on a central heating system, comprising a heating pipe, a pressure pump and a mounting sleeve fixedly mounted on one side of the outside of the heating pipe, a water tank fixedly mounted on one side of the top of the heating pipe, and an air outlet filter plate fixedly mounted on one side of the bottom of the heating pipe; Also includes: A humidifying assembly is arranged above the interior of the heating pipe, a scraping assembly is arranged below the interior of the heating pipe, an inclined plate is fixedly connected to one side of the interior of the heating pipe, and the pressure pump is fixedly installed on the top of the water tank; The humidification assembly includes an air inlet cylinder fixedly installed inside the heating pipe, one side of the air inlet cylinder is connected to an inward contraction portion, one side of the inward contraction portion is connected to a tapered portion, the air inlet cylinder is connected to the tapered portion through the inward contraction portion, a lower box is fixedly connected to the middle of the inner top surface of the heating pipe, the lower box is laterally rotatably connected to the inside of the lower box, and the outside of the lower shaft is fixedly connected to a fan blade and a main gear; The fan blade is located on the side of the main gear close to the conical part, the top of the heating pipe is fixedly connected to the upper box, the interior of the upper box is connected to the upper shaft for horizontal rotation, the outer side of the upper shaft is fixedly connected to the slave gear, the main gear is meshed with the slave gear, the top of the heating pipe is fixedly connected to the fixing plate, and the end of the upper shaft close to the fixing plate is fixedly connected to the reciprocating screw rod; A movable sleeve is sleeved on the outer side of the reciprocating screw rod, a limit rod is fixedly connected to the bottom of the movable sleeve, a vertical rod is fixedly connected to the top of the movable sleeve, a mounting portion is fixedly installed on the top of the vertical rod, and a spray head is rotatably installed on one side of the mounting portion; The inlet end of the pressure pump is connected to the water tank, the outlet end of the pressure pump is connected to a telescopic hose, one end of the telescopic hose away from the pressure pump is connected to the mounting portion, the telescopic hose is connected to the nozzle head through the mounting portion, an auxiliary gear is fixedly connected to the outside of the nozzle head, a toothed plate is laterally fixedly connected to the top of the heating pipe, and the auxiliary gear is meshed with the toothed plate; The scraping assembly includes an inclined column platform and a sliding plate, wherein the inclined column platform is fixed to the lower shaft, the sliding plate abuts against the inclined surface of the inclined column platform, the bottom end of the sliding plate is fixedly connected with a scraping plate, and the scraping plate fits against the inner side of the air outlet filter plate.

[0007] Preferably, the mounting sleeves include two symmetrically arranged ones, the two mounting sleeves are fixed by bolts, the air inlet tube is fixedly connected to the inner top surface of the heating pipe by a fixing rod, an outer flange is provided on the side of the air inlet tube away from the retracted part, and the fan blades and the main gear are both located inside the lower box body.

[0008] By adopting the above technical solution, the reciprocating movement of the nozzle head for spray humidification is achieved. The movement of the nozzle head drives the auxiliary gear to move, and the auxiliary gear meshes and rotates with the tooth plate, so that the nozzle head rotates while moving, thereby increasing the range of spray humidification and reducing the dryness in the room.

[0009] Preferably, a left hole is opened at the lower part of one side of the lower box body close to the tapered part, a lower hole is opened at the bottom of the lower box body, the left hole is connected with the tapered part, and the lower hole is connected with the inside of the heating pipe.

[0010] By adopting the above technical solution, part of the hot air in the heating pipe enters the air inlet tube, is accelerated by the retracted portion, passes through the tapered portion and the left hole, impacts one side of the fan blade, and returns to the interior of the heating pipe from the lower hole for recycling.

[0011] Preferably, a clearance groove is longitudinally opened on the top of the heating pipe, the main gear is meshed and connected with the upper shaft through the clearance groove, and the end of the reciprocating screw away from the upper shaft is rotatably connected to the fixed plate.

[0012] By adopting the above technical solution, the giving way groove assists the normal transmission of the main gear and the slave gear, and the fixing plate is used for auxiliary support of the reciprocating screw rod.

[0013] Preferably, a top groove is transversely opened on the top of the heating pipe, the limiting rod is located inside the top groove, and the limiting rod is slidably connected to the top groove.

[0014] By adopting the above technical solution, the limiting rod slides inside the top groove to limit the movable sleeve.

[0015] Preferably, the movable sleeve is threadedly connected to the reciprocating screw, the limiting rod is fitted with the inner wall of the top groove, the tooth plate is located on the front side of the reciprocating screw, and the length of the tooth plate is not less than the length of the top groove.

[0016] By adopting the above technical solution, the movement of the nozzle head drives the auxiliary gear to move, and the auxiliary gear meshes and rotates with the tooth plate, so that the nozzle head rotates while moving, thereby increasing the range of spray humidification.

[0017] Preferably, the inclined column platform is located outside the lower box body, the inclined column platform is fixed to the end of the lower shaft away from the air inlet tube, an auxiliary rod is fixedly connected to the lower part of the side of the lower box body close to the inclined column platform, and the sliding plate is slidably connected to the outside of the auxiliary rod.

[0018] By adopting the above technical solution, the inclined surface of the inclined column platform abuts against the sliding plate, so that the inclined column platform can intermittently push the sliding plate to move.

[0019] Preferably, one end of the auxiliary rod away from the lower box body is fixedly connected to the inclined plate, a spring is sleeved on the outer side of the auxiliary rod, and air inlet grooves are opened inside the scraper plate. The air inlet grooves are opened evenly, and there are no less than four air inlet grooves.

[0020] By adopting the above technical solution, the air inlet slot will not block the flow of hot air, allowing the hot air to smoothly enter the room for heating.

[0021] Preferably, the spring is slidably connected to the auxiliary rod, the spring is located on a side of the sliding plate close to the inclined plate, and two ends of the spring are fixedly connected to the sliding plate and the inclined plate respectively.

[0022] By adopting the above technical solution, when the tip of the inclined column pushes the sliding plate away, the spring will be compressed. When the tip of the inclined column moves away, the elastic force of the spring drives the sliding plate to move and reset.

[0023] Compared with the prior art, the present invention has the following beneficial effects: a humidification component is provided to realize the reciprocating movement of the nozzle head for spray humidification, the movement of the nozzle head drives the auxiliary gear to move, the auxiliary gear meshes and rotates with the tooth plate, so that the nozzle head rotates while moving, thereby increasing the range of spray humidification, reducing the dryness of the room, and improving the comfort of heating; 1. A humidification component is provided. When the indoor central heating is provided, the hot air is transported through the heating pipe and output to the indoor heating through the air outlet filter plate. Part of the hot air in the heating pipe enters the air inlet cylinder, is accelerated by the inner contraction part, passes through the tapered part and the left hole, impacts on one side of the fan blade, and returns to the inside of the heating pipe from the lower hole, thereby driving the fan blade to rotate in one direction, the fan blade drives the lower shaft to rotate, the lower shaft drives the main gear to rotate, the main gear drives the slave gear to rotate, the slave gear drives the upper shaft and the reciprocating screw to rotate, the limit rod slides inside the top groove to limit the movable sleeve, and the reciprocating screw rotates to drive the movable sleeve to rotate. The sleeve moves back and forth in a straight line, the moving sleeve drives the vertical rod and the mounting part to move, the pressure pump pumps water from the water tank, and delivers it to the nozzle head through the telescopic hose and the mounting part, so that the nozzle head moves back and forth to spray humidification, the movement of the nozzle head drives the auxiliary gear to move, the auxiliary gear meshes and rotates with the tooth plate, so that the nozzle head rotates while moving, which increases the range of spray humidification, reduces the dryness of the room, and improves the comfort of heating, solving the problem that when the indoor heating temperature rises, the indoor environment humidity evaporates faster, the air is relatively dry, the indoor humidity is low, and the comfort of indoor people is not high; 2. A scraper assembly is provided. When the lower shaft rotates, the lower shaft will also drive the inclined column platform to rotate, and the inclined surface of the inclined column platform abuts against the sliding plate, so that the inclined column platform will intermittently push the sliding plate to move, and the sliding plate slides on the auxiliary rod. When the tip of the inclined column platform pushes the sliding plate away, it will compress the spring. When the tip of the inclined column platform turns away, the elastic force of the spring drives the sliding plate to move and reset, thereby realizing the linear reciprocating movement of the sliding plate and the scraper plate, and the air inlet groove on the scraper plate will not block the circulation of hot air. The reciprocating movement of the scraper plate facilitates the scraping and cleaning of the inner side of the air outlet filter plate, reduces the blockage of the air outlet filter plate, and indirectly improves the heating effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the cross-sectional structure of the heating pipe of the present invention; Figure 2 It is a schematic diagram of the first three-dimensional overall structure of the present invention; Figure 3 This is a schematic diagram of the installation structure of the air inlet duct of the present invention; Figure 4 For the present invention Figure 1The enlarged structural diagram at A in the middle; Figure 5 For the present invention Figure 1 The enlarged structural diagram at B in the middle; Figure 6 This is a schematic diagram of the gear installation structure of the present invention; Figure 7 For the present invention Figure 6 The enlarged structural diagram at C in the middle; Figure 8 It is a schematic diagram of a second three-dimensional overall structure of the present invention; Fig. 9 This is a schematic diagram of the tooth plate installation structure of the present invention; Fig.10 For the present invention Fig. 9 Enlarged structural diagram at D in the middle.

[0025] In the figure: 1. heating pipe; 2. mounting hoop; 3. water tank; 4. humidifying assembly; 41. air inlet cylinder; 42. retracted portion; 43. conical portion; 44. lower box; 45. lower shaft; 46. fan blade; 47. main gear; 48. upper box; 49. upper shaft; 410. slave gear; 411. reciprocating screw rod; 412. fixed plate; 413. movable sleeve; 414. limit rod; 415. top groove; 416. vertical rod; 417. telescopic hose; 418. mounting portion; 419. nozzle head; 420. auxiliary gear; 421. tooth plate; 5. scraping assembly; 51. inclined column platform; 52. auxiliary rod; 53. sliding plate; 54. spring; 55. scraping plate; 56. air inlet groove; 6. inclined plate; 7. pressure pump; 8. air outlet filter plate. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-Figure 10 The present invention provides a technical solution: an indoor heating device based on a central heating system, comprising a heating pipe 1, a pressure pump 7 and a mounting sleeve 2 fixedly installed on one side of the outside of the heating pipe 1, a water tank 3 fixedly installed on one side of the top of the heating pipe 1, and an air outlet filter plate 8 fixedly installed on one side of the bottom of the heating pipe 1.

[0028] An inclined plate 6 is fixedly connected to one side of the interior of the heating pipe 1 , and a pressure pump 7 is fixedly installed on the top of the water tank 3 .

[0029] A humidifying assembly 4 is arranged above the interior of the heating pipe 1, and the humidifying assembly 4 includes an air inlet cylinder 41 fixedly installed inside the heating pipe 1, one side of the air inlet cylinder 41 is connected with an indented portion 42, one side of the indented portion 42 is connected with a tapered portion 43, the air inlet cylinder 41 is connected with the tapered portion 43 through the indented portion 42, a lower box body 44 is fixedly connected to the middle of the inner top surface of the heating pipe 1, the interior of the lower box body 44 is laterally rotatably connected to a lower shaft 45, and the outer side of the lower shaft 45 is fixedly connected to fan blades 46 and a main gear 47.

[0030] The fan blade 46 is located on the side of the main gear 47 close to the conical portion 43, the top of the heating pipe 1 is fixedly connected to the upper box body 48, the interior of the upper box body 48 is laterally rotatably connected to the upper shaft 49, the outer side of the upper shaft 49 is fixedly connected to the slave gear 410, the main gear 47 is meshed with the slave gear 410, the top of the heating pipe 1 is fixedly connected to the fixed plate 412, and the end of the upper shaft 49 close to the fixed plate 412 is fixedly connected to the reciprocating screw 411.

[0031] The mounting sleeves 2 include two symmetrically arranged ones, the two mounting sleeves 2 are fixed by bolts, the air inlet tube 41 is fixedly connected to the inner top surface of the heating pipe 1 by a fixing rod, an outer flange is provided on the side of the air inlet tube 41 away from the retracted portion 42, and the fan blades 46 and the main gear 47 are both located inside the lower box body 44.

[0032] A left hole is formed at the lower part of one side of the lower box body 44 close to the tapered portion 43 , and a lower hole is formed at the bottom of the lower box body 44 . The left hole is connected to the tapered portion 43 , and the lower hole is connected to the interior of the heating pipe 1 .

[0033] A clearance groove is longitudinally opened at the top of the heating pipe 1, and the main gear 47 is meshed and connected with the upper shaft 49 through the clearance groove. The end of the reciprocating screw 411 away from the upper shaft 49 is rotatably connected to the fixed plate 412.

[0034] A movable sleeve 413 is sleeved on the outer side of the reciprocating screw rod 411, a limit rod 414 is fixedly connected to the bottom of the movable sleeve 413, a vertical rod 416 is fixedly connected to the top of the movable sleeve 413, a mounting portion 418 is fixedly installed on the top of the vertical rod 416, and a nozzle head 419 is rotatably installed on one side of the mounting portion 418.

[0035] A top groove 415 is transversely opened on the top of the heating pipe 1 , and a limiting rod 414 is located inside the top groove 415 , and the limiting rod 414 is slidably connected to the top groove 415 .

[0036] The movable sleeve 413 is threadedly connected to the reciprocating screw rod 411 , the limiting rod 414 is fitted with the inner wall of the top groove 415 , the tooth plate 421 is located on the front side of the reciprocating screw rod 411 , and the length of the tooth plate 421 is not less than the length of the top groove 415 .

[0037] The inlet end of the pressure pump 7 is connected to the water tank 3, and the outlet end of the pressure pump 7 is connected to a telescopic hose 417. The end of the telescopic hose 417 away from the pressure pump 7 is connected to the mounting portion 418. The telescopic hose 417 is communicated with the nozzle head 419 through the mounting portion 418. An auxiliary gear 420 is fixedly connected to the outer side of the nozzle head 419, and a tooth plate 421 is laterally fixedly connected to the top of the heating pipe 1, and the auxiliary gear 420 is meshed with the tooth plate 421.

[0038] Embodiment 1: Figure 1-Figure 8 As shown, a humidifying component 4 is provided. When the indoor centralized heating is provided, the hot air is transported through the heating pipe 1 and output to the indoor heating through the air outlet filter plate 8. Part of the hot air in the heating pipe 1 enters the air inlet cylinder 41, is accelerated by the retracted portion 42, passes through the tapered portion 43 and the left hole, impacts one side of the fan blade 46, and returns to the interior of the heating pipe 1 from the lower hole, thereby driving the fan blade 46 to rotate in one direction.

[0039] The fan blades 46 drive the lower shaft 45 to rotate, the lower shaft 45 drives the main gear 47 to rotate, the main gear 47 drives the slave gear 410 to rotate, the slave gear 410 drives the upper shaft 49 and the reciprocating screw 411 to rotate, the limit rod 414 slides inside the top groove 415 to limit the movable sleeve 413, the rotation of the reciprocating screw 411 drives the movable sleeve 413 to reciprocate linearly, and the movable sleeve 413 drives the vertical rod 416 and the mounting portion 418 to move.

[0040] The pressure pump 7 pumps water from the water tank 3 and transports it to the nozzle head 419 through the telescopic hose 417 and the mounting portion 418, so that the nozzle head 419 moves back and forth for spray humidification. The movement of the nozzle head 419 drives the auxiliary gear 420 to move, and the auxiliary gear 420 meshes and rotates with the tooth plate 421, so that the nozzle head 419 rotates while moving, thereby increasing the range of spray humidification, reducing the dryness of the room, and improving the comfort of heating. This solves the problem that when the indoor heating is heated, the indoor environmental humidity evaporates faster, the air is relatively dry, the indoor humidity is low, and the comfort level of people indoors is not high.

[0041] A scraping assembly 5 is arranged at the lower part of the interior of the heating pipe 1, and the scraping assembly 5 includes an inclined column platform 51 and a sliding plate 53. The inclined column platform 51 is fixed to the lower shaft 45, and the sliding plate 53 abuts against the inclined surface of the inclined column platform 51. The bottom end of the sliding plate 53 is fixedly connected with a scraping plate 55, and the scraping plate 55 fits against the inner side of the air outlet filter plate 8.

[0042] The inclined column platform 51 is located outside the lower box body 44 and is fixed to one end of the lower shaft 45 away from the air inlet tube 41 . An auxiliary rod 52 is fixedly connected to the lower part of one side of the lower box body 44 close to the inclined column platform 51 , and a sliding plate 53 is slidably connected to the outer side of the auxiliary rod 52 .

[0043] One end of the auxiliary rod 52 away from the lower box body 44 is fixedly connected to the inclined plate 6, and a spring 54 is sleeved on the outer side of the auxiliary rod 52. The scraper plate 55 has air inlet grooves 56 formed inside. The air inlet grooves 56 are evenly formed, and there are no less than four air inlet grooves 56.

[0044] The spring 54 is slidably connected to the auxiliary rod 52 . The spring 54 is located on a side of the sliding plate 53 close to the inclined plate 6 . Two ends of the spring 54 are fixedly connected to the sliding plate 53 and the inclined plate 6 , respectively.

[0045] Embodiment 2: Figure 9-10 As shown, a scraping assembly 5 is provided. When the lower shaft 45 rotates, the lower shaft 45 also drives the inclined column platform 51 to rotate, and the inclined surface of the inclined column platform 51 abuts against the sliding plate 53, so that the inclined column platform 51 intermittently pushes the sliding plate 53 to move, and the sliding plate 53 slides on the auxiliary rod 52.

[0046] When the tip of the inclined column 51 pushes the sliding plate 53 away, it compresses the spring 54. When the tip of the inclined column 51 turns away, the elastic force of the spring 54 drives the sliding plate 53 to move and reset, thereby realizing the linear reciprocating movement of the sliding plate 53 and the scraper plate 55, and the air inlet groove 56 on the scraper plate 55 will not block the circulation of hot air. The reciprocating movement of the scraper plate 55 is convenient for scraping and cleaning the inner side of the air outlet filter plate 8, reducing the blockage of the air outlet filter plate 8 and indirectly improving the heating effect.

[0047] Working principle: When using the device, first, Figure 1-Figure 10 As shown, the hot air is transported through the heating pipe 1 and output to the indoor heating through the air outlet filter plate 8. Part of the hot air in the heating pipe 1 enters the air inlet tube 41, driving the fan blade 46 to rotate in one direction, the fan blade 46 drives the lower shaft 45 to rotate, the lower shaft 45 drives the main gear 47 to rotate, the main gear 47 drives the slave gear 410 to rotate, the slave gear 410 drives the upper shaft 49 and the reciprocating screw 411 to rotate, the reciprocating screw 411 rotates to drive the movable sleeve 413 to reciprocate linearly, the movable sleeve 413 drives the vertical rod 416 and the mounting portion 418 to move, the pressure pump 7 pumps water from the water tank 3, and passes through the telescopic soft The tube 417 and the mounting portion 418 are transported to the nozzle head 419, so that the nozzle head 419 moves back and forth to spray and humidify, and the nozzle head 419 rotates while moving. When the lower shaft 45 rotates, the lower shaft 45 will also drive the inclined column platform 51 to rotate, and the inclined surface of the inclined column platform 51 abuts against the sliding plate 53, so that the inclined column platform 51 will intermittently push the sliding plate 53 to move, and the air inlet groove 56 on the scraper plate 55 will not block the circulation of hot air. The reciprocating movement of the scraper plate 55 is convenient for scraping and cleaning the inner side of the air outlet filter plate 8, thereby reducing the blockage of the air outlet filter plate 8 and indirectly improving the heating effect.

[0048] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0049] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An indoor heating device based on a central heating system, comprising a heating pipe (1), a pressure pump (7) and a mounting sleeve (2) fixedly mounted on one side of the outside of the heating pipe (1), a water tank (3) fixedly mounted on one side of the top of the heating pipe (1), and an air outlet filter plate (8) fixedly mounted on one side of the bottom of the heating pipe (1); It is characterized in that Also includes: A humidifying assembly (4) is arranged above the interior of the heating pipe (1), a scraping assembly (5) is arranged below the interior of the heating pipe (1), an inclined plate (6) is fixedly connected to one side of the interior of the heating pipe (1), and the pressure pump (7) is fixedly mounted on the top of the water tank (3); The humidifying assembly (4) comprises an air inlet cylinder (41) fixedly mounted inside the heating pipe (1); one side of the air inlet cylinder (41) is connected to an inwardly contracted portion (42); one side of the inwardly contracted portion (42) is connected to a tapered portion (43); the air inlet cylinder (41) is connected to the tapered portion (43) via the inwardly contracted portion (42); a lower box body (44) is fixedly connected to the middle of the inner top surface of the heating pipe (1); a lower shaft (45) is rotatably connected to the interior of the lower box body (44); and a fan blade (46) and a main gear (47) are fixedly connected to the exterior of the lower shaft (45); The fan blade (46) is located on a side of the main gear (47) close to the conical portion (43); the top of the heating pipe (1) is fixedly connected to an upper box body (48); the interior of the upper box body (48) is laterally rotatably connected to an upper shaft (49); the outer side of the upper shaft (49) is fixedly connected to a slave gear (410); the main gear (47) is meshed with the slave gear (410); the top of the heating pipe (1) is fixedly connected to a fixing plate (412); and one end of the upper shaft (49) close to the fixing plate (412) is fixedly connected to a reciprocating screw rod (411); A movable sleeve (413) is sleeved on the outer side of the reciprocating screw rod (411); the bottom of the movable sleeve (413) is fixedly connected to a limit rod (414); the top of the movable sleeve (413) is fixedly connected to a vertical rod (416); a mounting portion (418) is fixedly mounted on the top of the vertical rod (416); and a spray head (419) is rotatably mounted on one side of the mounting portion (418); The inlet end of the pressure pump (7) is connected to the water tank (3), the outlet end of the pressure pump (7) is connected to a telescopic hose (417), one end of the telescopic hose (417) away from the pressure pump (7) is connected to a mounting portion (418), the telescopic hose (417) is connected to a spray head (419) via the mounting portion (418), an auxiliary gear (420) is fixedly connected to the outside of the spray head (419), a toothed plate (421) is laterally fixedly connected to the top of the heating pipe (1), and the auxiliary gear (420) is meshingly connected to the toothed plate (421); The scraping assembly (5) comprises an inclined column platform (51) and a sliding plate (53); the inclined column platform (51) is fixed to the lower shaft (45); the sliding plate (53) abuts against the inclined surface of the inclined column platform (51); the bottom end of the sliding plate (53) is fixedly connected to the scraping plate (55); the scraping plate (55) abuts against the inner side of the air outlet filter plate (8).

2. An indoor heating device based on a central heating system according to claim 1, characterized in that: The mounting sleeves (2) include two symmetrically arranged ones, the two mounting sleeves (2) are fixed by bolts, the air inlet tube (41) is fixedly connected to the inner top surface of the heating pipe (1) by a fixing rod, the air inlet tube (41) is provided with an outer flange on a side away from the retracted portion (42), and the fan blades (46) and the main gear (47) are both located inside the lower box (44).

3. An indoor heating device based on a central heating system according to claim 1, characterized in that: A left hole is provided at a lower portion of one side of the lower box body (44) close to the conical portion (43), and a lower hole is provided at the bottom of the lower box body (44); the left hole is connected to the conical portion (43), and the lower hole is connected to the interior of the heating pipe (1).

4. The indoor heating device based on the central heating system according to claim 1, characterized in that: A clearance groove is longitudinally provided at the top of the heating pipe (1), the main gear (47) is meshedly connected to the upper shaft (49) via the clearance groove, and the end of the reciprocating screw (411) away from the upper shaft (49) is rotationally connected to the fixing plate (412).

5. The indoor heating device based on the central heating system according to claim 1, characterized in that: A top groove (415) is transversely opened on the top of the heating pipe (1), the limiting rod (414) is located inside the top groove (415), and the limiting rod (414) is slidably connected to the top groove (415).

6. An indoor heating device based on a central heating system according to claim 5, characterized in that: The movable sleeve (413) is threadedly connected to the reciprocating screw rod (411), the limiting rod (414) is in contact with the inner wall of the top groove (415), the tooth plate (421) is located on the front side of the reciprocating screw rod (411), and the length of the tooth plate (421) is not less than the length of the top groove (415).

7. The indoor heating device based on the central heating system according to claim 1, characterized in that: The inclined column platform (51) is located outside the lower box body (44), and is fixed to an end of the lower shaft (45) away from the air inlet tube (41). An auxiliary rod (52) is fixedly connected to the lower part of one side of the lower box body (44) close to the inclined column platform (51), and the sliding plate (53) is slidably connected to the outer side of the auxiliary rod (52).

8. An indoor heating device based on a central heating system according to claim 7, characterized in that: One end of the auxiliary rod (52) away from the lower box (44) is fixedly connected to the inclined plate (6); a spring (54) is sleeved on the outer side of the auxiliary rod (52); an air inlet groove (56) is provided inside the scraping plate (55); the air inlet grooves (56) are evenly provided, and the number of the air inlet grooves (56) is not less than four.

9. An indoor heating device based on a central heating system according to claim 8, characterized in that: The spring (54) is slidably connected to the auxiliary rod (52); the spring (54) is located on a side of the sliding plate (53) close to the inclined plate (6); and two ends of the spring (54) are fixedly connected to the sliding plate (53) and the inclined plate (6), respectively.

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