CN118089123B - Energy-saving noise-reducing ventilation air conditioner for building - Google Patents

Abstract

The invention relates to the technical field of air conditioners and discloses an energy-saving noise-reducing ventilation air conditioner for a building, which comprises a box body and a bottom box, wherein an air inlet is formed in the middle of the lower surface of the bottom box, an air outlet is formed in the lower surface of the bottom box, which is close to the edge, the air inlet and the air outlet are communicated with the box body and the bottom box, an internal machine is arranged in the box body, and a filter grid is arranged on the inner wall of the air inlet. According to the invention, the driving component and the conversion component are arranged, the conversion component is driven to operate by the driving component, the air entering the box body is conveyed into the U-shaped pipe by the fan, the effect of preheating or precooling the air in the air inlet is achieved by utilizing the flow of the air in the U-shaped pipe and the folded pipe and the heat conduction performance of the heat conducting fin, the temperature difference between the air in the air inlet and the indoor air is reduced, the energy consumption of the air conditioner is further reduced, and the effects of energy conservation and environmental protection are achieved.

Description

Energy-saving noise-reducing ventilation air conditioner for building

Technical Field

The invention relates to the technical field of air conditioners, in particular to an energy-saving noise-reducing ventilation air conditioner for a building.

Background

An air conditioner is a device for adjusting and controlling parameters such as temperature, humidity, flow rate and the like of air in a building or a structure, and becomes an indispensable part of people in modern life.

Through searching, chinese patent with publication number of CN 219414989U: the utility model provides an air conditioner, including the casing, heat exchanger and supporting component, the heat exchanger sets up in the casing, supporting component is located between the both ends of heat exchanger, above-mentioned technical scheme is through setting up supporting component between the both ends of heat exchanger, and make the front of first support piece one end butt heat exchanger in the supporting component, make the back of second support piece one end butt heat exchanger in the supporting component, thereby realize the support to the heat exchanger middle part, effectively avoided the heat exchanger middle part because of lack the possibility that the deformation damage appears in the support, promote the support performance to the heat exchanger, promote the life of heat exchanger, but above-mentioned technical scheme still has following not enough when implementing:

(1) The energy-saving effect is poor: the building air conditioner is provided with a fresh air system, air can be introduced from the outside to ensure the freshness of indoor air, but the indoor and outdoor temperature difference is large, the air conditioner system needs to heat or refrigerate outdoor air to a designated temperature, and more energy is consumed;

(2) Noise interference: the air is discharged from the air outlet, which is driven by a fan, so that noise is generated in the air discharge process, and sound is transmitted to the room along with the air from the air outlet, so that certain noise interference is caused to the room;

(3) The cleaning is inconvenient: in the operation process of the air conditioner, indoor air enters the air conditioner from the air inlet, most dust in the air can be blocked by the filter grille, and screws are arranged between the filter grille and the air conditioner, so that the disassembly and the assembly are more troublesome.

Therefore, there is a need to design a building energy-saving noise-reducing ventilation air conditioner to solve the above problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides an energy-saving noise-reducing ventilation air conditioner for a building.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

The energy-saving noise-reducing ventilation air conditioner for the building comprises a box body and a bottom box, wherein an air inlet is formed in the middle of the lower surface of the bottom box, an air outlet is formed in the lower surface of the bottom box, which is close to the edge, the air inlet and the air outlet are communicated with the box body and the bottom box, an internal machine is arranged in the box body, and a filter grid is arranged on the inner wall of the air inlet;

a driving component and a conversion component are arranged in the box body;

Wherein the driving component drives the conversion component to operate;

Wherein the conversion component is embedded at an air outlet in the box body;

the bottom box is internally provided with a noise reduction assembly, an adjusting assembly and a disassembly and assembly;

the noise reduction assembly and the adjusting assembly are arranged in the air outlet, and the adjusting assembly is driven to operate in the operation process of the noise reduction assembly;

Wherein, dismouting subassembly sets up in air inlet inner wall and filtration grid junction.

As a preferable technical scheme of the invention, the driving assembly comprises a motor, a first bevel gear, a second bevel gear, a center rod, a double belt pulley, a single belt pulley and a belt, wherein the motor is fixed on the upper surface of an internal machine, the driving end of the motor is fixedly connected with the first bevel gear, one end of the center rod is rotatably connected to the inner wall of the box body, the second bevel gear is fixedly connected to the other end of the center rod, the double belt pulley is sleeved on the outer surface of the center rod and is connected with the single belt pulley through the belt.

As a preferable technical scheme of the invention, the conversion assembly comprises a U-shaped pipe, a folded pipe, a bracket, a fan and heat conducting fins, wherein the U-shaped pipe is arranged on the inner wall of the box body in a penetrating way, the folded pipe is fixedly connected to the middle part of the outer surface of the U-shaped pipe, the bracket is fixedly connected to the inner wall of a port of the U-shaped pipe, the fan is movably connected to one end of the bracket extending out of the U-shaped pipe, and the heat conducting fins are uniformly distributed on the outer surfaces of the U-shaped pipe and the folded pipe.

As a preferable technical scheme of the invention, the noise reduction assembly comprises a motor, a threaded rod, a threaded sleeve, a push rod, a short rod, an arc-shaped plate, sound absorption cotton and a positioning rod, wherein the motor is arranged in a bottom box, the threaded rod is fixedly connected with the driving end of the motor, the threaded sleeve is movably connected with the outer surface of the threaded rod, one end of the push rod is hinged with the outer surface of the threaded sleeve, the end part of the short rod is hinged with the other end of the push rod, the arc-shaped plate is fixedly connected with one end of the short rod far away from the push rod, the sound absorption cotton is fixedly connected with the inner wall of the arc-shaped plate, and both ends of the positioning rod are fixedly connected with the inner wall of the air outlet.

As a preferable technical scheme of the invention, the adjusting component comprises a shaft rod, a baffle, a pull rod and a flow dividing plate, wherein both ends of the shaft rod are movably connected to the inner wall of the air inlet, the baffle is fixedly connected to the side surface of the shaft rod, the end part of the pull rod is hinged to the outer surface of the baffle, one end of the pull rod, which is far away from the baffle, is hinged to the outer surface of the arc-shaped plate, and both ends of the flow dividing plate are fixedly connected to the inner wall of the air inlet.

As a preferable technical scheme of the invention, the dismounting component comprises a pull ring, a nylon rope, a strip-shaped plate, a clamping block, a cavity, a spring, a clamping groove and a fixed pulley, wherein the cavity is arranged in the bottom box, the strip-shaped plate is slidably connected in the cavity, one end of the nylon rope is fixedly connected to the side face of the strip-shaped plate, the pull ring is fixedly connected to the other end of the nylon rope, the clamping block is fixedly connected to one side, far away from the nylon rope, of the strip-shaped plate, the spring is fixedly connected to one side, far away from the clamping block, of the strip-shaped plate, the clamping groove is formed in the side edge of the filter grating, and the fixed pulley is arranged on the inner wall of the cavity.

As a preferable technical scheme of the invention, the four second bevel gears are arranged and uniformly distributed around the first bevel gear, the four second bevel gears are all meshed with the first bevel gear, and the middle part of the single belt wheel is fixedly connected with the fan through a transmission rod.

As a preferable technical scheme of the invention, the folded pipe is arranged on the inner wall of the box body in a penetrating way, the U-shaped pipe is communicated with the folded pipe, the heat conducting fin is embedded into the U-shaped pipe and the folded pipe, and one side, far away from the U-shaped pipe and the folded pipe, of the heat conducting fin is fixedly connected with the inner wall of the air outlet.

As a preferable technical scheme of the invention, one end of the threaded rod, which is far away from the motor, is movably connected with the inner wall of the air outlet, the short rod penetrates through the sound-absorbing cotton, and the positioning rod is arranged on the outer surfaces of the arc-shaped plate and the sound-absorbing cotton in a penetrating way.

As a preferable technical scheme of the invention, the clamping groove is communicated with the cavity, the clamping block is clamped in the clamping groove, the nylon rope bypasses the upper part of the fixed pulley, and one end of the spring, which is far away from the strip-shaped plate, is fixedly connected to the inner wall of the cavity.

The invention has the following beneficial effects:

1. through setting up drive assembly and conversion component, utilize drive assembly to drive the operation of conversion component, in the U type intraductal will be entered into to the air transportation of box by the fan, utilize the air to preheat or precool the effect to the outdoor air with the heat conduction performance of the intraductal flow of folded form pipe and conducting strip, reduce the difference in temperature between outdoor air and the indoor air, and then can reduce the energy consumption of air conditioner, reach energy-concerving and environment-protective effect.

2. Through setting up the subassembly of making an uproar, utilize motor drive arc and inhale the cotton to expand the both sides and form the passageway of being convenient for circulation of air, when air from inhale the cotton intermediate pass of sound, inhale the cotton noise that can be eliminated, played the effect of making an uproar.

3. The baffle is driven to rotate by unfolding the arc-shaped plate, air can be split by the splitter plate and the baffle after noise reduction, air is prevented from flowing in the same direction, the indoor temperature regulation speed is accelerated, and then the energy-saving effect is achieved.

4. Through set up dismouting subassembly in the junction of filter grille and end box, the pulling pull ring can when dismantling, with filter grille aim at the air inlet upwards promote during the installation can, reached convenient dismouting filter grille's purpose, be convenient for clear up the air conditioner filter grille.

Drawings

Fig. 1 is a schematic diagram of the overall internal structure of a building energy-saving noise-reducing ventilation air conditioner according to the present invention;

FIG. 2 is a bottom view of the ventilation air conditioner according to the present invention;

fig. 3 is a schematic view of the internal structure of a box of the ventilation air conditioner according to the present invention;

Fig. 4 is a schematic structural diagram of a conversion assembly of a ventilation air conditioner according to the present invention;

fig. 5 is a schematic diagram of the internal structure of a bottom box of the ventilation air conditioner according to the present invention;

FIG. 6 is an enlarged view of the invention at A in FIG. 5;

FIG. 7 is an enlarged view of the invention at B in FIG. 5;

fig. 8 is a schematic structural diagram of an installation assembly of the ventilation air conditioner according to the present invention;

Fig. 9 is an enlarged view of fig. 8 at C in accordance with the present invention.

In the figure: 1. a case; 2. a bottom box; 3. an air inlet; 4. an air outlet; 5. an internal machine; 601. a motor; 602. a first bevel gear; 603. a second bevel gear; 604. a central rod; 605. a double belt wheel; 606. a single belt wheel; 607. a belt; 701. a U-shaped tube; 702. a folded tube; 703. a bracket; 704. a fan; 705. a heat conductive sheet; 801. a motor; 802. a threaded rod; 803. a threaded sleeve; 804. a push rod; 805. a short bar; 806. an arc-shaped plate; 807. sound absorbing cotton; 808. a positioning rod; 901. a shaft lever; 902. a baffle; 903. a pull rod; 904. a diverter plate; 10. a filter grid; 1101. a pull ring; 1102. nylon ropes; 1103. a strip-shaped plate; 1104. a clamping block; 1105. a cavity; 1106. a spring; 1107. a clamping groove; 1108. and a fixed pulley.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

Referring to fig. 1 and 2, a building energy-saving noise-reducing ventilation air conditioner comprises a box body 1 and a bottom box 2, wherein an air inlet 3 is formed in the middle of the lower surface of the bottom box 2, an air outlet 4 is formed in the lower surface of the bottom box 2 close to the edge, the air inlet 3 and the air outlet 4 are all communicated with the box body 1 and the bottom box 2, the bottom box 2 is fixed at the bottom of the box body 1, an inner machine 5 is arranged in the box body 1 and is an air conditioner internal heat exchange device, the inner machine 5 is an assembly for cooling or heating air and then sending the air into an indoor space, the specific structure and the working principle of the inner machine 5 are not used as innovative parts of the technical scheme, not shown in the drawing, too many redundant descriptions are not needed, and the inner wall of the air inlet 3 is provided with a filtering grid 10 for filtering the air and blocking dust from entering the air conditioner.

Referring to fig. 1, 3 and 4, a driving assembly is disposed in the case 1, the driving assembly includes a motor 601, a first bevel gear 602, a second bevel gear 603, a central rod 604, a double-pulley 605, a single-pulley 606 and a belt 607, the motor 601 is fixed on the upper surface of the inner machine 5, the driving end of the motor 601 is fixedly connected with the first bevel gear 602, one end of the central rod 604 is rotatably connected to the inner wall of the case 1, the second bevel gear 603 is fixedly connected to the other end of the central rod 604, the double-pulley 605 is sleeved on the outer surface of the central rod 604, the double-pulley 605 is connected with the single-pulley 606 through the belt 607, the second bevel gears 603 are disposed with four and evenly distributed around the first bevel gear 602, and the four second bevel gears 603 are all meshed with the first bevel gear 602. The driving end of the motor 601 rotates to drive the first bevel gear 602 to rotate, the first bevel gear 602 rotates and simultaneously engages with and drives four peripheral second bevel gears 603 to rotate simultaneously, the second bevel gears 603 rotate to drive the double belt pulley 605 to rotate through the center rod 604, the double belt pulley 605 drives the single belt pulley 606 to rotate through the belt 607, the multidirectional driving effect of a single driving source is achieved, further, a plurality of tensioning wheels are further arranged in the box body 1, and the plurality of belts 607 respectively bypass the plurality of tensioning wheels, so that the transmission effect of the belts 607 is guaranteed.

The inside of box 1 is provided with conversion subassembly, conversion subassembly includes U type pipe 701, turn over type pipe 702, support 703, fan 704 and conducting strip 705, U type pipe 701 alternates the setting on the inner wall of box 1, turn over type pipe 702 fixed connection is in the surface middle part of U type pipe 701, support 703 fixed connection is at the port inner wall of U type pipe 701, fan 704 swing joint stretches out the one end of U type pipe 701 at support 703, the middle part of single band pulley 606 passes through transfer line and fan 704 fixed connection, conducting strip 705 evenly distributed is at the surface of U type pipe 701 and turn over type pipe 702, turn over type pipe 702 alternates the setting at the inner wall of box 1, U type pipe 701 is linked together with turn over type pipe 702, the conducting strip 705 imbeds the inside of U type pipe 701 and turn over type pipe 702, one side fixed connection that U type pipe 701 and turn over type pipe 702 was kept away from to the conducting strip 705 is at the inner wall of gas outlet 4, the vertical distribution setting of conducting strip 705, the flow of air is convenient for, single band pulley 606 in the drive subassembly can drive fan 704 and rotate, and then carry the air to U type pipe 701. By utilizing the flow of air in the U-shaped tube 701 and the folded tube 702 and the heat conduction performance of the heat conduction sheet 705, the effect of preheating or precooling the air in the air inlet 3 is achieved, the temperature difference between the air in the air inlet 3 and the indoor air is reduced, the energy consumption of the air conditioner is further reduced, and the effects of energy conservation and environmental protection are achieved.

Referring to fig. 5, 6 and 7, the inside of the bottom box 2 is provided with the subassembly of making an uproar that falls, the subassembly of making an uproar that falls includes motor 801, threaded rod 802, threaded sleeve 803, push rod 804, stub 805, arc 806, inhale the cotton 807 of sound and locating lever 808, the motor 801 sets up in the inside of bottom box 2, the drive end fixedly connected with threaded rod 802 of motor 801, threaded sleeve 803 swing joint is at the surface of threaded rod 802, threaded sleeve 803 is provided with a plurality of along the axis of threaded rod 802, guarantee the equilibrium of thrust, the one end of push rod 804 articulates the surface at threaded sleeve 803, the tip of stub 805 articulates the other end at push rod 804, arc 806 fixed connection is kept away from the one end of push rod 804 at stub 805, inhale the inner wall of cotton 807 fixed connection at arc 806, the both ends of locating lever 808 are all fixed connection at the inner wall of gas outlet 4, the one end swing joint of threaded rod 802 is kept away from the inner wall of motor 801, stub 805 runs through inhale the cotton 807, locating lever 808 alternates at the arc 806 and inhale the surface of inhaling the cotton 807. Utilize locating lever 808 to carry out spacingly to arc 806, guarantee that arc 806 can only remove in the horizontal direction, utilize motor 801 drive arc 806 and inhale the cotton 807 of inhaling to expand to both sides and form the passageway of being convenient for air circulation, when air passes through from inhaling the cotton 807 in the middle of, inhale the cotton 807 of inhaling and can eliminate noise, the effect of making an uproar falls has been played, in addition, the opening action that arc 806 passed through can be controlled according to actual need, adjust according to noise level and demand, this kind of flexibility makes the system optimize according to environment and service condition, in order to obtain best noise reduction effect.

The inside of end box 2 is provided with the regulation subassembly, and the regulation subassembly includes axostylus axostyle 901, baffle 902, pull rod 903 and flow distribution plate 904, and the equal swing joint in the inner wall of air inlet 3 in both ends of axostylus axostyle 901, baffle 902 fixed connection in the side of axostylus axostyle 901, and the tip of pull rod 903 articulates the surface at baffle 902, and the one end that baffle 902 was kept away from to pull rod 903 articulates the surface at arc 806, and the equal fixed connection in the inner wall of air inlet 3 in both ends of flow distribution plate 904. The baffle 902 is driven to rotate by the aid of the arc plates 806 to incline the baffle 902 and shunt the air together with the shunt plates 904, so that the indoor diffusion efficiency of the air is improved, the indoor temperature regulation speed is accelerated, and the energy-saving effect is achieved. In addition, the opening action of the splitter plate 904 can be controlled according to actual needs, and the splitter plate 904 can be optimized according to indoor temperature regulation requirements and environmental conditions so as to obtain the optimal air splitting effect, the flexibility can adapt to the requirements of different environments and seasons, and secondly, the opening action of the splitter plate 904 can be used for air conditioning specific areas or rooms, and cold (hot) air can be preferentially sent to areas needing more comfort by adjusting the angle and the position of the splitter plate 904, so that the comfort and the effect of the air conditioner are improved.

Referring to fig. 8 and 9, the inside of the bottom box 2 is provided with a disassembly and assembly component, the disassembly and assembly component includes a pull ring 1101, a nylon rope 1102, a strip 1103, a clamping block 1104, a cavity 1105, a spring 1106, a clamping groove 1107 and a fixed pulley 1108, the cavity 1105 is arranged in the bottom box 2, the strip 1103 is slidingly connected in the cavity 1105, one end of the nylon rope 1102 is fixedly connected to the side of the strip 1103, the pull ring 1101 is fixedly connected to the other end of the nylon rope 1102, the clamping block 1104 is fixedly connected to one side, far away from the nylon rope 1102, of the strip 1103, the spring 1106 is fixedly connected to one side, far away from the clamping block 1104, of the strip 1103, the clamping groove 1107 is arranged on the side edge of the filter grille 10, and the fixed pulley 1108 is arranged on the inner wall of the cavity 1105. The draw-in groove 1107 is linked together with cavity 1105, fixture block 1104 joint is in the inside of draw-in groove 1107, nylon rope 1102 is walked around from the upper portion of fixed pulley 1108, the one end fixed connection that strip shaped plate 1103 was kept away from to spring 1106 is at the inner wall of cavity 1105, through set up the dismouting subassembly in the junction of filter grille 10 with end box 2, pull ring 1101 can when dismantling, with filter grille 10 aim at air inlet 3 upwards promote can during the installation, reached convenient dismouting filter grille 10's purpose, be convenient for clear up air conditioner filter grille 10.

The specific working principle of the invention is as follows:

the invention provides an energy-saving noise-reducing ventilation air conditioner for a building, which consists of a box body 1 and a bottom box 2 and is used for ventilating and cooling and heating the building indoor, and the cooling or heating is realized by controlling the operation mode of an internal machine 5. In the running process of the air conditioner, the motor 601 is started, the driving end of the motor 601 rotates to drive the first bevel gear 602 to rotate, the first bevel gear 602 rotates and simultaneously engages with and drives four peripheral second bevel gears 603 to rotate simultaneously, the second bevel gears 603 rotate to drive the double belt pulley 605 to rotate through the center rod 604, the double belt pulley 605 drives the single belt pulley 606 to rotate through the belt 607, the fan 704 is driven to rotate, and the fan 704 rotates to drive air to flow into the U-shaped pipe 701. Because both ends of the U-shaped pipe 701 are provided with fans 704, the middle part of the U-shaped pipe 701 in the air flows into the folded pipe 702 after converging and convection, and finally is discharged to the upper part of the box body 1 from the folded pipe 702, and because the U-shaped pipe 701 and the outer surface of the folded pipe 702 are embedded and provided with a plurality of heat conducting fins 705, heat transfer can be realized, and then the effect of preheating or precooling outdoor air is achieved, the temperature difference between the outdoor air and indoor air is reduced, the energy consumption of an air conditioner is reduced, and the energy-saving and environment-friendly effects are achieved.

When the air conditioner operates, the motor 801 is started, the driving end of the motor 801 rotates to drive the threaded rod 802 to rotate, the threaded rod 802 rotates and drives the threaded sleeve 803 to move along the threaded rod 802, and the push rod 804 is driven to push the arc plate 806 to open to two sides in the moving process of the threaded sleeve 803 until the outer surface of the arc plate 806 abuts against the inner wall of the air inlet 3 and then stops. At this time, the sound absorbing cotton 807 on the inner wall of the arc plate 806 is unfolded and a channel is formed in the middle, and when air passes through the middle of the sound absorbing cotton 807, the sound absorbing cotton 807 can eliminate noise, and the effect of noise reduction is achieved. In addition, can drive baffle 902 round axostylus axostyle 901 rotatory through pull rod 903 at the open in-process of arc 806 for baffle 902 rotates into the incline from the horizontality, and the air can meet flow distribution plate 904 and then to both sides reposition of redundant personnel after making an uproar the subassembly falls, flows along the direction of baffle 902 slope again, has played the effect to the air reposition of redundant personnel, avoids the air to the same direction to flow, improves the diffusion efficiency of air in the room, accelerates the speed to indoor temperature regulation, and then realizes energy-conserving effect.

When the filter grille 10 is required to be disassembled, pull rings 1101 on two sides are pulled downwards, the pull rings 1101 are pulled downwards to drive the strips to slide in the cavity 1105 and squeeze springs 1106, after the clamping blocks 1104 are withdrawn from the clamping grooves 1107 and submerged in the cavity 1105, the filter grille 10 can be taken down after the limiting downward movement is omitted, and after the pull rings 1101 are released, the springs 1106 rebound to push the strip-shaped plates 1103 to slide and push the clamping blocks 1104 to be ejected from the cavity 1105. During installation, the filter grille 10 is pushed upwards aiming at the air inlet 3, the clamping block 1104 is pushed to move backwards after the edge of the filter grille 10 is abutted against the inclined surface of the clamping block 1104, the clamping block 1107 is aimed at the clamping block 1104, and the spring 1106 rebounds to push the clamping block 1104 to clamp into the clamping groove 1107, so that the purpose of conveniently disassembling the filter grille 10 is achieved, and the air conditioner filter grille 10 is convenient to clean.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (1)

1. The utility model provides a building energy-saving noise reduction ventilation air conditioner which is characterized in that, including box (1) and end box (2), air inlet (3) have been seted up at the lower surface middle part of end box (2), air outlet (4) have been seted up near the edge in the lower surface of end box (2), air inlet (3) and air outlet (4) all link up box (1) and end box (2), the inside of box (1) is provided with interior machine (5), the inner wall of air inlet (3) is provided with filter grille (10);

A driving component and a conversion component are arranged in the box body (1);

The driving component drives the conversion component to operate;

The conversion component is embedded at an air outlet (4) in the box body (1);

the bottom box (2) is internally provided with a noise reduction assembly, an adjusting assembly and a disassembly assembly;

the noise reduction assembly and the adjusting assembly are arranged in the air outlet (4), and the adjusting assembly is driven to operate in the operation process of the noise reduction assembly;

the disassembly and assembly component is arranged at the joint of the inner wall of the air inlet (3) and the filter grid (10);

The driving assembly comprises a motor (601), a first bevel gear (602), a second bevel gear (603), a center rod (604), a double belt pulley (605), a single belt pulley (606) and a belt (607), wherein the motor (601) is fixed on the upper surface of an internal machine (5), the driving end of the motor (601) is fixedly connected with the first bevel gear (602), one end of the center rod (604) is rotationally connected onto the inner wall of the box body (1), the second bevel gear (603) is fixedly connected onto the other end of the center rod (604), the double belt pulley (605) is sleeved on the outer surface of the center rod (604) and is fixedly connected with the single belt pulley (606) through the belt (607);

The conversion assembly comprises a U-shaped tube (701), a folded tube (702), a bracket (703), a fan (704) and heat conducting fins (705), wherein the U-shaped tube (701) is arranged on the inner wall of the box body (1) in a penetrating mode, the folded tube (702) is fixedly connected to the middle of the outer surface of the U-shaped tube (701), the bracket (703) is fixedly connected to the inner wall of a port of the U-shaped tube (701), the fan (704) is movably connected to one end, extending out of the U-shaped tube (701), of the bracket (703), the fans (704) are arranged at two ends of the U-shaped tube (701), and the heat conducting fins (705) are uniformly distributed on the outer surfaces of the U-shaped tube (701) and the folded tube (702); the second bevel gears (603) are arranged in four and evenly distributed around the first bevel gear (602), the four second bevel gears (603) are all meshed with the first bevel gear (602), and the middle part of the single belt wheel (606) is fixedly connected with the fan (704) through a transmission rod; the U-shaped tube (701) is communicated with the folded tube (702), and one side, far away from the U-shaped tube (701), of the heat conducting fin (705) is fixedly connected with the inner wall of the air outlet (4) on one side of the folded tube (702);

The noise reduction assembly comprises a motor (801), a threaded rod (802), a threaded sleeve (803), a push rod (804), a short rod (805), an arc plate (806), sound absorbing cotton (807) and a positioning rod (808), wherein the motor (801) is arranged in a bottom box (2), the threaded rod (802) is fixedly connected with the driving end of the motor (801), the threaded sleeve (803) is movably connected to the outer surface of the threaded rod (802), one end of the push rod (804) is hinged to the outer surface of the threaded sleeve (803), the end of the short rod (805) is hinged to the other end of the push rod (804), the arc plate (806) is fixedly connected to one end, far away from the push rod (804), the sound absorbing cotton (807) is fixedly connected to the inner wall of the arc plate (806), and two ends of the positioning rod (808) are fixedly connected to the inner wall of the air outlet (4); one end of the threaded rod (802) far away from the motor (801) is movably connected to the inner wall of the air outlet (4), the short rod (805) penetrates through the sound-absorbing cotton (807), and the positioning rod (808) is arranged on the outer surfaces of the arc plate (806) and the sound-absorbing cotton (807) in a penetrating mode;

The adjusting component comprises a shaft rod (901), a baffle (902), a pull rod (903) and a splitter plate (904), wherein both ends of the shaft rod (901) are movably connected to the inner wall of the air inlet (3), the baffle (902) is fixedly connected to the side face of the shaft rod (901), the end part of the pull rod (903) is hinged to the outer surface of the baffle (902), one end, far away from the baffle (902), of the pull rod (903) is hinged to the outer surface of the arc-shaped plate (806), and both ends of the splitter plate (904) are fixedly connected to the inner wall of the air inlet (3);

The disassembly and assembly comprises a pull ring (1101), a nylon rope (1102), a strip-shaped plate (1103), a clamping block (1104), a cavity (1105), a spring (1106), a clamping groove (1107) and a fixed pulley (1108), wherein the cavity (1105) is arranged in a bottom box (2), the strip-shaped plate (1103) is slidably connected in the cavity (1105), one end of the nylon rope (1102) is fixedly connected to the side face of the strip-shaped plate (1103), the pull ring (1101) is fixedly connected to the other end of the nylon rope (1102), the clamping block (1104) is fixedly connected to one side, far away from the nylon rope (1102), of the strip-shaped plate (1103), the spring (1106) is fixedly connected to one side, far away from the clamping block (1104), of the strip-shaped plate (1103), the clamping groove (1107) is formed in the side edge of the filter grating (10), and the fixed pulley (1108) is arranged on the inner wall of the cavity (1105). The clamping groove (1107) is communicated with the cavity (1105), the clamping block (1104) is clamped in the clamping groove (1107), the nylon rope (1102) bypasses the upper portion of the fixed pulley (1108), and one end, away from the strip-shaped plate (1103), of the spring (1106) is fixedly connected to the inner wall of the cavity (1105).