CN208891496U

CN208891496U - A kind of permanent-magnetic variable-frequency aerator

Info

Publication number: CN208891496U
Application number: CN201821457944.1U
Authority: CN
Inventors: 王云志
Original assignee: Taizhou Wangfa Electrical And Mechanical Co Ltd
Current assignee: Taizhou Wangfa Electrical And Mechanical Co Ltd
Priority date: 2018-09-06
Filing date: 2018-09-06
Publication date: 2019-05-24
Anticipated expiration: 2028-09-06

Abstract

The utility model belongs to aquacultural machinery apparatus field in fishery, refer in particular to a kind of permanent-magnetic variable-frequency aerator, including impeller sets, the impeller sets include impeller base and the blade that is connected on impeller base, it is fixedly installed a magneto on the impeller base, a main shaft is equipped in the magneto, the main shaft upper end is successively arranged with fixing seat, terminal box and controller, at least three circumferentially uniformly distributed brackets are formed on the fixing seat outer wall, described bracket one end is equipped with floating drum；Circumferentially uniformly distributed first through hole and the first groove are formed in the impeller base；The blade side forms a limited block, and the limited block is arranged in the first groove, and the impeller base outer wall outer rim forms uniformly distributed limiting slot, and the blade side is mounted in limiting slot.The purpose of the utility model is to provide a kind of stable structure, the permanent-magnetic variable-frequency aerator that oxygenation is high-efficient, waterproof performance is good.

Description

A kind of permanent-magnetic variable-frequency aerator

Technical field

The utility model belongs to aquacultural machinery apparatus field in fishery, refers in particular to a kind of permanent-magnetic variable-frequency aerator.

Background technique

In fishery cultivating field, if pond waters have anoxia phenomenon in the biggish situation of cultivation density, in turn result in big The problem of measuring fish mortality, it is therefore desirable to which aerator, existing aerator have consumption power big, and spray of water effect is not Good, the effect and blade of oxygenation have a very big relationship, and the angle in strike portion and the portion of pumping up water of blade often will affect the effect of oxygenation Rate, motor, terminal box and controller sealing performance with great difficulty electric leakage etc. drawbacks.

Utility model content

The purpose of the utility model is to provide a kind of stable structure, the permanent-magnetic variable-frequency increasing that oxygenation is high-efficient, waterproof performance is good Oxygen machine.

Purpose of the utility model is realized as follows: a kind of permanent-magnetic variable-frequency aerator, including impeller sets, the impeller sets Including impeller base and the blade being connected on impeller base, a magneto, the permanent magnetism are fixedly installed on the impeller base It is equipped with a main shaft in motor, the main shaft upper end is successively arranged with fixing seat, terminal box and controller, outside the fixing seat At least three circumferentially uniformly distributed brackets are formed on wall, described bracket one end is equipped with floating drum；Week is formed in the impeller base To uniformly distributed first through hole and the first groove；The blade side forms a limited block, and the limited block setting is recessed first In slot, the impeller base outer wall outer rim forms uniformly distributed limiting slot, and the blade side is mounted in limiting slot.

Preferably, the leaf on-chip array is provided with several second through-holes in long strip；The blade includes portion of striking With the portion of pumping up water, the portion of striking is with the portion of pumping up water in 140 ° to 150 ° inclination angles.

Preferably, the magneto includes shell, is provided with stator and rotor in the shell；The main shaft lower end is set It is equipped with the position detector for detecting the main shaft rotation position, the fitting portion being fitted into for rotor is provided on the main shaft, Form the first stopper section and the second stopper section on the fitting portion, first stopper section and the second stopper section are from the main shaft Outer peripheral surface radially outside is prominent, and stop the rotor axial abjection.

Preferably, it is equipped with refrigerating plant in the magneto, the refrigerating plant includes cabinet, the first outlet cell, The cabinet is equipped with the heat exchanger of air in cooling magneto；The front side of the cabinet is arranged in first outlet cell On top or the top of the cabinet, first outlet cell includes the first outlet and first gas side positioned at front side To control member, it is configured to the direction for the cold air that control is blown out by the first outlet, wherein making to be set as Permanent Magnet and Electric At least part space in machine is cooled to preset cryogenic temperature, and the first gas direction controlling component control passes through described The cold air of first outlet blowout, cold air is directed in magneto；The cabinet two sides be equipped with suction unit and Second outlet cell is provided with entrance on the suction unit and entrance opens/closes component；The second outlet cell packet The second outlet and second gas direction controlling component positioned at front side are included, is configured to what control was blown out by the second outlet The direction of cold air.

Preferably, the shell lower end is equipped with a sealing plate, is provided with a sealing ring, the sealing ring on the sealing plate It is arranged in shell along inner walls.

Preferably, the casing upper surface is provided with a cooling chamber, and kerosene or pure water are marked in the cooling chamber.

Preferably, the terminal box includes the box body and waterproof connector for having cavity, at least provided with two on the box body A electric wire aperture offers a connection jaws at the top of the box body, an opening upwards is offered on the box body of connection jaws side The second groove, a horizontal track groove is offered on the box body of the connection jaws other side, being equipped in the track groove can edge The rolling element of horizontal track groove sliding, is fixed with the draw back plate of a stretching track groove, the draw back plate on rolling element Parallel with track groove, one end on the draw back plate far from rolling element is equipped with the card matched with the second groove on box body Block, the electric wire aperture are symmetricly set on the two sides of box body, and screw thread, the waterproof are equipped in the electric wire aperture Connector is matched with electric wire aperture, and a perforative threading hole is equipped on waterproof connector, is equipped on the threading hole inner wall anti- Water flexible glue layer, the waterproof connector has the threaded portion matched with the electric wire aperture, in the threaded portion and electric wire aperture Between be equipped with waterproof gasket, in the cavity of the box body be equipped with water-absorbing sponge.

Preferably, the waterproof connector includes electric wire, waterproof connector, metal core and the first nut, the end of the electric wire Head position is equipped with the waterproof connector, and the metal core of the electric wire is passed through from the waterproof connector, the waterproof Connector is made of first nut, the first washer, threaded connecting sleeve, gripping sleeve, second packing ring and the second nut, the screw thread One end of connector sleeve is provided with the first screw thread, and first screw thread is connect with six side's collets, the six sides collet and the second screw thread It connects, is provided with tight locking button at second screw thread, the outer layer of the gripping sleeve is provided with collet, installs on the collet There is fastening screw, is provided with pawl on the inner wall of the gripping sleeve.

Preferably, switch valve is provided on the controller, one side of switch valve is provided with sensing mechanism, described One side of sensing mechanism is provided with alarm, be additionally provided on the controller input interface, output interface, corresponding loader and The connecting terminal of follower；The switch being arranged on the switch valve is air switch, and the sensing mechanism includes that temperature passes Sensor, pressure sensor and speed probe；Digital display is additionally provided on the controller.

Preferably, the motor, terminal box and controller are successively coated with antirust coat and waterproof layer from inside to outside；It is described anti- 96 material of water layer is GORE-TEX；97 material of antirust coat is stainless steel；98 material of thermal insulation layer is micaceous glass Fiber.

Compared with the prior art, the utility model has prominent and beneficial technical effects that:

1. the stable structure of the utility model impeller sets can prevent blade from falling when rotation, increase oxygenation Efficiency, and the design of blade wide-angle can accelerate water velocity, to increase the efficiency of aerator.

It can prevent impeller sets during oxygenation 2. being provided with sealing ring on the utility model motor, the spray splash The upper end of motor damage, and motor, which is provided with cooling device, to arrange the heat generated in motor operation course in time Out, it can prevent motor from burning out at extremely hot environment.

3. the waterproof junction box of the utility model is spiral shell due to being equipped with screw thread, waterproof connector and electric wire aperture in electric wire aperture Line connection, so only needing replacing the waterproof connector of the threading hole with different-diameter when needing to connect obstructed line style and not having to more Changing-over wire box realizes a variety of utilizations of terminal box to meet the electric wire or electric wire of different size.

4. the first washer described in the utility model and the second packing ring are O-ring seal, metal cords waterproof connector two End is provided with seal washer, is filled with glass cement inside threaded connecting sleeve, sealing effect is good, and the outer layer of waterproof connector is coated with Insulating mold coating, meanwhile, collet is installed, high temperature is effectively reduced and is exposed to the sun the influence caused by waterproof connector.

Detailed description of the invention

Fig. 1 is one of structure diagram of the utility model；

Fig. 2 is the two of the structure diagram of the utility model；

Fig. 3 is the enlarged drawing in Fig. 2 at A；

Fig. 4 is the cross-sectional view of the utility model magneto；

Fig. 5 is the cross-sectional view of the utility model terminal box；

Fig. 6 is the structure diagram of the utility model waterproof connector；

Fig. 7 is the explosive view of the utility model waterproof connector；

Fig. 8 is the gripping sleeve schematic diagram of the utility model waterproof connector；

Fig. 9 is the structure diagram of the utility model controller；

Figure 10 is the surface cross-sectional view of the utility model motor, terminal box, waterproof connector and controller；

Figure 11 is the structure diagram of the utility model refrigerating plant.

In figure: 1- impeller sets；11- impeller base；12- blade；13- first through hole；The first groove of 14-；15- limited block；16- Limiting slot；The second through-hole of 17-；18- strikes portion；19- pumps up water portion；2- magneto；21- shell；22- main shaft；23- stator；24- Rotor；25- position detector；The first stopper section 26-；The second stopper section 27-；28- sealing plate；29- sealing ring；30- cooling chamber； 3- fixing seat；4- terminal box；41- box body；42- track groove；43- rolling element；44- draw back plate；45- fixture block；48- waterproof gasket； 5- controller；51- switch valve；52- sensing mechanism；53- alarm；54- input interface；55- output interface；56- loader； 57- follower；58- connecting terminal；6- bracket；7- floating drum；8- waterproof connector；81- electric wire；82- metal core；The first spiral shell of 83- It is female；The first washer of 84-；85- threaded connecting sleeve；86- gripping sleeve；87- second packing ring；The second nut of 88-；The first screw thread of 89-； Six side's collet of 90-；The second screw thread of 91-；92- tight locking button；93- collet；94- fastening screw；95- pawl；96- waterproof layer；97- Antirust coat；98- thermal insulation layer；10- refrigerating plant；101- cabinet；The first outlet cell of 102-；103- first outlet；104- first Gas direction control member；105- suction unit；The second outlet cell of 106-；107- entrance；108- entrance opens/closes structure Part；109- second outlet；110- second gas direction controlling component；130- exhaust pipe；140 check-valves.

Specific embodiment

The utility model is described further with specific embodiment below.

As shown in Figure 1-3, a kind of permanent-magnetic variable-frequency aerator, including impeller sets 1, the impeller sets 1 include impeller base 11 with And it is connected to the blade 12 on impeller base 11, a magneto 2, the magneto 2 are fixedly installed on the impeller base 11 Upper end is successively arranged with fixing seat 3, terminal box 4 and controller 5 from small to upper, forms at least on 3 outer wall of fixing seat Three circumferentially uniformly distributed bracket 6, described 6 one end of bracket are equipped with floating drum 7；Circumferentially uniformly distributed is formed in the impeller base 11 One through-hole 13 and the first groove 14；12 side of blade forms a limited block 15, and the setting of limited block 15 is recessed first In slot 14, the 11 outer wall outer rim of impeller base forms uniformly distributed limiting slot 16, and 12 side of blade is mounted on limiting slot 16 It is interior.

The stable structure of the technical program impeller sets 1 can prevent blade 12 from falling when rotation, increase oxygenation Efficiency, 2 main body of magneto are fixed on impeller base 11, when magneto 2 run when, the magneto 2 by Reversed power drives the body rotation of magneto 2 so that main shaft 22 rotates, so that impeller sets 1 be driven to rotate.

Preferably, array is provided with several second through-holes 17 in long strip on the blade 12；The blade 12 includes It strikes and portion 18 and pumps up water portion 19, portion 18 and the portion 19 of pumping up water of striking is in 140 ° to 150 ° inclination angles.

The design of the technical program and 12 wide-angle of blade can accelerate water velocity, to increase the effect of aerator Rate, strike portion 18 and portion 19 of pumping up water design the resistance for having several second through-holes 17 that can reduce the water being subject to when impeller sets 1 rotate Power.

As shown in figure 4, the magneto 2 includes shell 21 and the main shaft 22 being threaded through in shell 21, the shell Stator 23 and rotor 24 are provided in 21；22 lower end of main shaft is provided with the position for detecting 22 rotation position of main shaft Detector 25 is provided with the fitting portion being fitted into for rotor 24 on the main shaft 22, forms the first stopper section on the fitting portion 26 and second stopper section 27, first stopper section 26 and the second stopper section 27 from the outer peripheral surface of the main shaft 22 radially outside It is prominent, and stop the axial abjection of the rotor 24.

As shown in figure 11, it is equipped with refrigerating plant 10 in the magneto 2, the refrigerating plant 10 includes cabinet 101, the One outlet cell 102, the cabinet 101 are equipped with the heat exchanger of air in cooling magneto 2；First outlet cell 102 It is arranged on the top of the front side of the cabinet 101 or the top of the cabinet 101, first outlet cell 102 includes First outlet 103 and first gas direction controlling component 104 positioned at front side are configured to control by the first outlet The direction of the cold air of 103 blowouts, wherein making at least part space being set as in magneto 2 be cooled to preset system Cold temperature, the first gas direction controlling component 104 control the cold air blown out by the first outlet 103, will be cold Air is directed in magneto 2；101 two sides of cabinet are equipped with suction unit 105 and the second outlet cell 106, described It is provided with entrance 107 on suction unit 105 and entrance opens/closes component 108；Second outlet cell 106 includes position Second outlet 109 and second gas direction controlling component 110 in front side are configured to control by the second outlet 109 The direction of the cold air of blowout.

Refrigerating plant 10 is arranged in the technical program in magneto 2, is turned the heat in magneto 2 by heat exchanger It swaps out, is exchanged with external cold air realization, to realize the cooling in magneto 2, achieve the effect that refrigeration, the system 10 side of device for cooling is provided with an exhaust pipe 130, and a check-valves 140 is provided on the exhaust pipe 130, and check-valves 140 is set Meter can prevent hot gas from entering by exhaust pipe 130, and the hot gas in magneto 2 can be passed through 130 row of exhaust pipe by heat exchanger Out, and cold air is produced, to cooling in magneto 2.

Preferably, 21 lower end of shell is equipped with a sealing plate 28, is provided with a sealing ring 29, institute on the sealing plate 28 Sealing ring 29 is stated to be arranged in shell 21 along 21 inner wall of shell.

The sealing plate 28 and sealing ring 29 of the technical program design can effectively prevent the band in the rotation of blade 12 Dynamic spray is splash, and makes water inlet in magneto 2, so as to cause the damage of magneto 2.

Preferably, 21 upper surface of shell is provided with a cooling chamber 30, is marked with kerosene or pure in the cooling chamber 30 Water purification.

The aerator of the technical program be usually all placed on it is outdoor in the case where use, thus unavoidable high temperature is cruel The weather of heat is operating generated heat plus magneto 2 when external temperature is very high, if without cooling chamber 30, Magneto 2 is easy to damage, and designs the service life for having cooling chamber 30 that can increase magneto 2.

As shown in figure 5, the terminal box 4 include one have cavity box body 41 and waterproof connector 8, the box body 41 up to Electric wire aperture there are two setting less, the top of the box body 41 offers a connection jaws, opens up on the box body 41 of connection jaws side There is the second groove of an opening upwards, a horizontal track groove 42 is offered on the box body 41 of the connection jaws other side, described It is equipped with the rolling element 43 that can be slided along horizontal track groove 42 in track groove 42, a stretching track is fixed on rolling element 43 The draw back plate 44 of slot 42, the draw back plate 44 is parallel with track groove 42, far from rolling element 43 on the draw back plate 44 One end is equipped with the fixture block 45 matched with the second groove on box body 41, and electric wire aperture is symmetricly set on the two sides of box body 41 On, screw thread is equipped in electric wire aperture, the waterproof connector 8 is matched with electric wire aperture, and it is perforative that one is equipped on waterproof connector 8 Threading hole, is equipped with waterproof flexible glue layer on the threading hole inner wall, and the waterproof connector 8 has the spiral shell matched with electric wire aperture Line portion is equipped with waterproof gasket 48 between the threaded portion and electric wire aperture, and water suction sea is equipped in the cavity of the box body 41 It is continuous.

The terminal box 4 of the technical program is screw thread due to being equipped with screw thread, waterproof connector 8 and 81 aperture of electric wire in electric wire aperture Connection, so only needing replacing the waterproof connector 8 of the threading hole with different-diameter when needing to connect obstructed line style and not having to more Changing-over wire box 4 realizes a variety of utilizations of terminal box 4, the draw back plate 44 and rail to meet the electric wire 81 of different size Road slot 42 is parallel, and one end on the draw back plate 44 far from rolling element 43 is equipped with and matches with the second groove on box body 41 Fixture block 45, when needing wiring can by sliding push-pull plate 44 open connection jaws, draw back plate 44 be closed again after carefully connecting the wire Close, docking wire box 4 play good sealing function, by the water-absorbing sponge being arranged in 41 cavity of box body, can be absorbed into Enter a small amount of aqueous vapor inside terminal box 4, so that avoiding the mackintosh at 81 connection position of electric wire from making moist influences the electric conductivity of electric wire Can, the threaded portion is to have threaded position on waterproof connector.

As shown in figs 6-8, the waterproof connector 8 is matched with 81 aperture of electric wire, and one is equipped on waterproof connector 8 and is run through Threading hole 46, on 46 inner wall of threading hole be equipped with waterproof flexible glue layer, the waterproof connector 8 have and the electric wire aperture The threaded portion matched is equipped with waterproof gasket 48, this structure design, so that box body 41 between the threaded portion and electric wire aperture On electric wire aperture have good leakproofness, external aqueous vapor is effectively prevented by the waterproof gasket 48 of setting and enters wiring Inside box 4.

Preferably, the waterproof connector 8 includes electric wire 81, metal core 82 and the first nut 83, the end of the electric wire 81 Head position is equipped with the waterproof connector 8, and the metal core 82 of the electric wire 81 is passed through from the waterproof connector 8, institute Waterproof connector 8 is stated by first nut 83, the first washer 84, threaded connecting sleeve 85, gripping sleeve 86, second packing ring 87 and second Nut 88 forms, and one end of the threaded connecting sleeve 85 is provided with the first screw thread 89, first screw thread 89 and six side's collets 90 Connection, the six sides collet 90 are connect with the second screw thread 91, and tight locking button 92, the gripping sleeve are provided at second screw thread 91 86 outer layer is provided with collet 93, and fastening screw 94 is equipped on the collet 93, is set on the inner wall of the gripping sleeve 86 It is equipped with pawl 95, the pawl 95, which is arranged, preferably firmly to be fixed the electric wire 81 in waterproof connector 8.

In above structure, first the first nut 83 and the first washer 84 are mounted on electric wire 81, threaded connecting sleeve 85 is sky Heart design, electric wire 81 is passed through inside threaded connecting sleeve 85, and the first washer 84 is moved to the of threaded connecting sleeve 85 later One screw thread, 89 position, and the first nut 83 is fixedly connected with the first screw thread 89, electric wire 81 is passed through from tight locking button 92, by electric wire 81 clamp, and gripping sleeve 86 is mounted on threaded connecting sleeve 85 again later, and electric wire 81 passes through the pawl in gripping sleeve 86, carry out again Secondary clamping, it is ensured that electric wire 81 is safe, firm, is later coated gripping sleeve 86 and threaded connecting sleeve 85 with collet 93, and pass through Fastening screw 94 is fixed, and the second nut 88 and second packing ring 87 are mounted on the second screw thread 91, completes the peace of waterproof connector 8 Dress, the both ends of the waterproof connector 8 are separately installed with the first washer 84 and second packing ring 87, and sealing effect is good, waterproof connector 9 Outer layer is provided with collet 93, avoids fever of being exposed to the sun for a long time.

In order to further increase a kind of use function of novel metal electric wire waterproof connector 8, the first washer 84 and the second pad Circle 87 is type sealing ring, and material selected by the first washer 84 and second packing ring 87 is nitrile rubber, and tight locking button 92 is spaced apart Slot design, the first screw thread 89 and the second screw thread 94 are external screw thread, the first nut 83, the second nut 88,85 and of threaded connecting sleeve The outer layer of gripping sleeve 86 is coated with the coating of insulation, and the circle that conducts electricity of anti-electromagnetism, screw thread are provided on institute's threaded connecting sleeve 5 Glass cement is filled with inside connector sleeve 85.

As shown in figure 9, being provided with switch valve 51 on the controller 5,51 1 side of switch valve is provided with sensing machine Structure 52,52 1 side of sensing mechanism are provided with alarm 53, and input interface 54, output are additionally provided on the controller 5 The connecting terminal 58 of interface 55, corresponding loader 56 and follower 57；The switch being arranged on the switch valve 51 is opened for air It closes, the sensing mechanism 52 includes temperature sensor, pressure sensor and speed probe；It is also set on the controller 5 It is equipped with digital display.

The technical program controller 5 is simple and reasonable, easy to use, and defencive function is good, and high reliablity is at low cost, tool There are biggish economic results in society and practical value.

As shown in Figure 10, the magneto 2, terminal box 4, waterproof connector 8 and controller 5 are successively coated with from inside to outside Waterproof layer 96, antirust coat 97 and thermal insulation layer 98；96 material of waterproof layer is GORE-TEX；97 material of antirust coat is stainless Steel；98 material of thermal insulation layer is micaceous glass fibre.

The technical program magneto 2, terminal box 4, waterproof connector 8 and controller 5 have good waterproof, antirust, Heat-insulated effect can adapt to various atrocious weathers.

Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model Within the scope of.

Claims

1. a kind of permanent-magnetic variable-frequency aerator, which is characterized in that including impeller sets (1), the impeller sets (1) include impeller base (11) And it is connected to the blade (12) on impeller base (11), and it is fixedly installed a magneto (2) on the impeller base (11), it is described Is equipped with a main shaft (22) in magneto (2), main shaft (22) upper end be successively arranged with fixing seat (3), terminal box (4) with And controller (5), at least three circumferentially uniformly distributed brackets (6), the bracket (6) are formed on fixing seat (3) outer wall One end is equipped with floating drum (7)；Circumferentially uniformly distributed first through hole (13) and the first groove (14) are formed in the impeller base (11)；Institute It states blade (12) side to form a limited block (15), limited block (15) setting is in the first groove (14), the impeller Seat (11) outer wall outer rim forms uniformly distributed limiting slot (16), and blade (12) side is mounted in limiting slot (16).

2. a kind of permanent-magnetic variable-frequency aerator according to claim 1, which is characterized in that array is arranged on the blade (12) There are several second through-holes (17) in long strip；The blade (12) includes strike portion (18) and portion of pumping up water (19), described to strike Portion (18) and portion (19) are pumped up water in 140 ° to 150 ° inclination angles.

3. a kind of permanent-magnetic variable-frequency aerator according to claim 1, which is characterized in that the magneto (2) includes shell Body (21), the shell (21) is interior to be provided with stator (23) and rotor (24)；Main shaft (22) lower end is provided with for detecting The position detector (25) of main shaft (22) rotation position, be provided on the main shaft (22) be fitted into for rotor (24) it is chimeric Portion forms the first stopper section (26) and the second stopper section (27), first stopper section (26) and second on the fitting portion From the outer peripheral surface of the main shaft (22), radially outside is prominent for stopper section (27), and the rotor (24) is stopped axially to be deviate from.

4. a kind of permanent-magnetic variable-frequency aerator according to claim 3, which is characterized in that be equipped in the magneto (2) Refrigerating plant (10), the refrigerating plant (10) include cabinet (101), the first outlet cell (102), and the cabinet (101) sets There is the heat exchanger of cooling magneto (2) interior air；First outlet cell (102) is arranged before the cabinet (101) On the top of side or the top of the cabinet (101), first outlet cell (102) includes the first outlet positioned at front side (103) and first gas direction controlling component (104), it is configured to the cold sky that control is blown out by the first outlet (103) The direction of gas, wherein making at least part space being set as in magneto (2) be cooled to preset cryogenic temperature, it is described First gas direction controlling component (104) controls the cold air blown out by the first outlet (103), and cold air is oriented to In to magneto (2)；Cabinet (101) two sides are equipped with suction unit (105) and the second outlet cell (106), described It is provided with entrance (107) on suction unit (105) and entrance opens/closes component (108)；Second outlet cell (106) include the second outlet (109) and second gas direction controlling component (110) for being located at front side, be configured to control and pass through The direction of the cold air of second outlet (109) blowout.

5. a kind of permanent-magnetic variable-frequency aerator according to claim 3, which is characterized in that shell (21) lower end is equipped with one Sealing plate (28) is provided with a sealing ring (29) on the sealing plate (28), and the sealing ring (29) sets along shell (21) inner wall It sets in shell (21).

6. a kind of permanent-magnetic variable-frequency aerator according to claim 3, which is characterized in that shell (21) the upper surface setting Have a cooling chamber (30), is marked with kerosene or pure water in the cooling chamber (30).

7. a kind of permanent-magnetic variable-frequency aerator according to claim 1, which is characterized in that the terminal box (4) includes a band There are the box body (41) and waterproof connector (8) of cavity, at least provided with two electric wire apertures, the box body (41) on the box body (41) Top offer a connection jaws, the second groove of an opening upwards is offered on the box body (41) of connection jaws side, is being connect A horizontal track groove (42) is offered on the box body (41) of the line mouth other side, being equipped in the track groove (42) can be along level Track groove (42) sliding rolling element (43), the draw back plate of a stretching track groove (42) is fixed on rolling element (43) (44), the draw back plate (44) is parallel with track groove (42), the one of separate rolling element (43) on the draw back plate (44) End is equipped with the fixture block (45) matched with the second groove on box body (41), and electric wire aperture is symmetricly set on the two sides of box body (41) On face, screw thread is equipped in electric wire aperture, the waterproof connector (8) matches with electric wire aperture, and one is equipped on waterproof connector (8) Perforative threading hole, is equipped with waterproof flexible glue layer on the threading hole inner wall, and the waterproof connector (8) has and electric wire aperture phase The threaded portion of cooperation is equipped with waterproof gasket (48) between the threaded portion and electric wire aperture, the cavity in the box body (41) It is interior to be equipped with water-absorbing sponge.

8. a kind of permanent-magnetic variable-frequency aerator according to claim 7, which is characterized in that the waterproof connector (8) includes electricity The tip position of line (81), metal core (82) and the first nut (83), the electric wire (81) is equipped with the waterproof connector (8), the metal core (82) of the electric wire (81) passes through from the waterproof connector (8), and the waterproof connector (8) is by institute State the first nut (83), the first washer (84), threaded connecting sleeve (85), gripping sleeve (86), second packing ring (87) and the second nut (88) it forms, one end of the threaded connecting sleeve (85) is provided with the first screw thread (89), and first screw thread (89) and six sides are pressed from both sides Head (90) connection, the six sides collet (90) connect with the second screw thread (91), are provided with tight locking button at second screw thread (91) (92), the outer layer of the gripping sleeve (86) is provided with collet (93), is equipped with fastening screw (94) on the collet (93), Pawl (95) are provided on the inner wall of the gripping sleeve (86).

9. a kind of permanent-magnetic variable-frequency aerator according to claim 1, which is characterized in that be provided on the controller (5) Switch valve (51), (51) one side of switch valve are provided with sensing mechanism (52), and (52) one side of sensing mechanism is set It is equipped with alarm (53), input interface (54), output interface (55), corresponding loader is additionally provided on the controller (5) (56) and the connecting terminal (58) of follower (57)；The switch being arranged on the switch valve (51) is air switch, the biography Feeling mechanism (52) includes temperature sensor, pressure sensor and speed probe；Number is additionally provided on the controller (5) Display.

10. a kind of permanent-magnetic variable-frequency aerator according to claim 1, which is characterized in that the magneto (2), wiring Box (4), waterproof connector (8) and controller (5) are successively coated with waterproof layer (96), antirust coat (97) and thermal insulation layer from inside to outside (98)；Waterproof layer (96) material is GORE-TEX；Antirust coat (97) material is stainless steel；Thermal insulation layer (98) material Material is micaceous glass fibre.