CN110657116A

CN110657116A - Fault detection device of axial flow fan

Info

Publication number: CN110657116A
Application number: CN201911029311.XA
Authority: CN
Inventors: 张立平; 任华江; 顾晗柯; 王勇
Original assignee: Zhejiang Shangfeng Gaoke Special Fan Industry Co Ltd
Current assignee: Zhejiang Shangfeng high tech special wind industry Co.,Ltd.
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-01-07
Anticipated expiration: 2039-10-28
Also published as: CN110657116B

Abstract

The invention discloses a fault detection device of an axial flow fan, which comprises a shell, a driving motor arranged in the shell and fan blades arranged on an output shaft of the driving motor, wherein a first connecting rod is arranged on the inner wall of the shell, an installation plate is arranged on the first connecting rod, the driving motor is arranged on the installation plate, a sleeve matched with the driving motor is arranged on the installation plate, a first cavity is arranged in the sleeve, a second cavity is arranged in the shell, a second connecting rod is arranged on the side wall of the sleeve, one end of the second connecting rod is fixedly connected to the inner wall of the shell, a first through cavity used for communicating the first cavity with the second cavity is arranged on the second connecting rod, and a temperature sensor is arranged in the first cavity; the first cavity and the second cavity are filled with clear water, and when the driving motor drives the fan blades to rotate, water flow in the second cavity enters the first cavity.

Description

Fault detection device of axial flow fan

Technical Field

The invention belongs to the technical field of axial flow fans, and particularly relates to a fault detection device of an axial flow fan.

Background

The axial flow fan has a very wide application, namely, the axial flow fan and the fan blade have the same direction of air flow, such as an electric fan, and an air conditioner outer machine fan is an axial flow type running fan. The "axial flow" is so called because the gas flows parallel to the fan axis. Axial flow fans are typically used in applications where flow requirements are high and pressure requirements are low. The axial fan fixes the position and moves the air. The axial flow fan mainly comprises a fan impeller and a casing, and is simple in structure but high in data requirement.

The axial fan can appear multiple trouble after using, including air intake high temperature and the too high condition of motor temperature, causes very big influence to axial fan's life, and current axial fan simple structure does not deal with the motor and generates heat and the method that the air intake generates heat, even if also can't effectively solve the problem behind the concrete reason that the department of detection generates heat, only detects and the detection device practicality that can't deal with is not high.

Disclosure of Invention

The invention provides a fault detection device of an axial flow fan, aiming at overcoming the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a fault detection device of an axial flow fan comprises a shell, a driving motor arranged in the shell and fan blades arranged on an output shaft of the driving motor, wherein a first connecting rod is arranged on the inner wall of the shell, a mounting plate is arranged on the first connecting rod, the driving motor is arranged on the mounting plate, a sleeve matched with the driving motor is arranged on the mounting plate, a first cavity is arranged in the sleeve, a second cavity is arranged in the shell, a second connecting rod is arranged on the side wall of the sleeve, one end of the second connecting rod is fixedly connected to the inner wall of the shell, a first through cavity used for communicating the first cavity with the second cavity is arranged on the second connecting rod, and a temperature sensor is arranged in the first cavity; clear water is filled in the first cavity and the second cavity, and when the driving motor drives the fan blades to rotate, water flow in the second cavity enters the first cavity; when the axial flow fan works, the driving motor drives the fan blades to rotate, water flow in the second cavity enters the second cavity through the first through cavity, water flow in the second cavity enters the first cavity through the first through cavity, the water flow flows between the first cavity and the second cavity, the driving motor and the air inlet can be cooled under the action of the water flow, and the influence of the heating of the driving motor and the air inlet on the service life of the fan is avoided; the temperature sensor detects the temperature of the water flow in the first cavity, so that the phenomenon that the temperature of the water flow in the first cavity is too high to lose the cooling effect on the driving motor and the shell is avoided, and the cooling effect of clean water on the fan is ensured; the fan is detected and simultaneously the problem generated by the fan is directly responded, so that the fault on the fan is directly removed, the fan is dropped to play a role in protection, and the service life of the fan is prolonged; through the circular flow of the water flow, the water flow is fully contacted with the inner wall of the cavity when the water flow flows, so that the sleeve and the shell are contacted to dissipate the heat in the water flow, and the temperature of the water flow is reduced; can react after detecting department fan trouble through rivers effect, solve the problem that will produce, promote detection device's practicality.

The sleeve is made of elastic materials, two groups of second through cavities are arranged on the sleeve and are respectively arranged at the top and the bottom of the sleeve, and gaps are formed between the top and the bottom of the first cavity under the arrangement of the second through cavities; a plurality of through holes are formed in the mounting plate; when the fan works, airflow enters the shell from the air inlet of the fan, and the air inlet volume of the fan is increased under the arrangement of the through holes, so that the air supply effect of the fan is improved; the air flow passing through the through hole is directly blown on the sleeve, so that the air flow velocity on the surface of the sleeve is increased, the heat dissipation effect of the sleeve is improved, and the temperature of the water flow in the first cavity is conveniently reduced; under the second leads to the chamber to set up, makes partial air current follow the second and leads to the intracavity process, increases air current and sheathed tube area of contact, plays the reposition of redundant personnel effect to the rivers in the first cavity to make the more quick cooling of rivers, further promote the cooling effect to rivers, thereby guarantee the cooling effect of rivers to driving motor.

The top of the first cavity is provided with a first opening, the bottom of the first cavity is provided with a second opening, a first connecting plate is arranged in the first opening, a second connecting plate is arranged in the second opening, the first connecting plate is provided with a water inlet, the second connecting plate is provided with a water outlet, the first connecting plate is provided with a water inlet pipe matched with the water inlet, and the second connecting plate is provided with a water outlet pipe matched with the water outlet; when the temperature of the water flow in the first cavity rises to a preset temperature, the temperature sensor feeds information back to the water inlet pipe and the water outlet pipe, the water flow in the first cavity is discharged from the water outlet, new clean water flows into the first cavity from the water inlet pipe, the clean water in the first cavity is replaced, the water flow in the first cavity is ensured to be in a normal temperature state, the temperature of the driving motor is rapidly reduced, and the driving motor is prevented from being damaged by high temperature; through the change operation of rivers, get rid of the trouble after detection device detects the department trouble rapidly, very big promotion detection device's reliability.

One end of the first connecting plate is hinged with a third connecting plate, one end of the third connecting plate is hinged with a fourth connecting plate, and the bottom of the first connecting plate is provided with a sealing block matched with the water inlet; a first connecting block is arranged on the inner wall of the shell, and an electric push rod matched with the fourth connecting plate is arranged on the first connecting block; after rivers temperature in the first cavity rises to the default, temperature sensor with signal transmission to electric putter on, electric putter promotes the fourth connecting plate and moves forward, the third connecting plate rotates around the tie point, makes the third connecting plate toward vertical direction rotation, the first connecting plate of third connecting plate promotion up-movement makes water inlet and delivery port open to do the change to the clear water in the first cavity, play quick cooling effect to driving motor.

A first push rod is arranged on the third connecting plate, a first push block is arranged at one end of the first push rod, a first slide block is arranged at the top of the first push rod, a first slide groove matched with the first slide block is arranged at the bottom of the first connecting plate, the sealing block is made of elastic materials, a second slide block matched with the first slide groove is arranged on the sealing block, and a third opening is formed in the sealing block; when the electric push rod pushes the fourth connecting plate to move forwards, the third connecting plate rotates towards the vertical direction, the point connecting plate pushes the first push rod to move forwards, the first push block is in contact with the sealing block, the sealing block is pushed to deform under the action of the first push block, the opening degree of the third opening is increased after the sealing block deforms, and the water inlet is in an open state, so that water flow in the water inlet pipe can enter the first cavity to play a role in quickly cooling the driving motor; under the mutually supporting of first slider, second slider and first spout, play the guide effect to the removal of sealed piece and first push rod, make first push rod can only do horizontal migration, guarantee the cooperation effect of first ejector pad and sealed piece to it uses to start controlling the opening and close of water inlet.

A first movable cavity is arranged on the inner wall of the water inlet, a fourth opening is arranged on the side wall of the first movable cavity, a limiting block is arranged in the fourth opening, and a limiting groove matched with the limiting block is arranged on the side wall of the water inlet pipe; a second connecting block is arranged in the first movable cavity in a penetrating mode, the second connecting block is matched with the first movable cavity through threads, and when the second connecting block moves downwards, the limiting block extends out of the fourth opening; when the water inlet pipe is installed, the water inlet pipe is inserted into the water inlet, the limiting groove is positioned on one side of the limiting block, the second connecting block is installed in the first movable cavity, the second connecting block is rotated to enable the second connecting block to move towards the bottom of the first movable cavity, the limiting block extends out of the fourth opening, the limiting block is embedded into the limiting groove to be matched with the limiting groove, the water inlet pipe is fixed, the water inlet pipe is driven to move together when the first connecting plate moves, and the matching effect of the water inlet pipe and the first connecting plate is guaranteed; through the threaded connection of second connecting block and first activity chamber, play the auto-lock effect to the second connecting block, make the second connecting block pack into behind the first activity intracavity and fixed at first activity intracavity, guarantee the cooperation effect of second connecting block and stopper.

A third connecting rod is hinged to the side wall of the limiting block, a fourth connecting rod is hinged to one end of the third connecting rod, the other end of the fourth connecting rod is hinged to the inner wall of the first movable cavity, a second push block is arranged at the bottom of the second connecting block, and the second push block is arranged above the connecting position of the third connecting rod and the fourth connecting rod; an air bag is further arranged on the inner wall of the water inlet, and a fifth opening communicated with the air bag is formed in the side wall of the first movable cavity; after the second connecting block is arranged in the first movable cavity, the second push block is contacted with the connecting part of the third connecting rod and the fourth connecting rod, the second push block pushes the connecting point of the third connecting rod and the fourth connecting rod to move downwards, so that the third connecting rod and the fourth connecting rod rotate to a linear state, and the limiting block is pushed out from the fourth opening so as to be embedded into the limiting groove; after the second connecting block is installed into the first movable cavity, the space in the first movable cavity is reduced, air in the first movable cavity enters the air bag, the air bag expands after being inflated, the side part of the air bag is in contact with the side wall of the water inlet pipe, the second connecting block is matched with the limiting block to fix the water inlet pipe, and the matching effect of the water inlet pipe and the water inlet is guaranteed.

A first connecting ring is arranged on an output shaft of the driving motor, a fifth connecting rod is arranged on the first connecting ring, a second connecting ring is arranged on the fifth connecting rod, a first movable groove matched with the second connecting ring is arranged on the side wall of the second cavity, a first push plate is arranged on the second connecting ring, and the first push plate is of an arc-shaped structure; when driving motor drive flabellum rotates, drive first go-between and second go-between and rotate, the second go-between drives first push pedal and rotates, first push pedal promotes the rivers in the second cavity and moves in the second cavity, make the rivers in the second cavity be in the motion state, rivers enter into first logical intracavity when moving to first logical chamber position department, make the rivers in the second cavity enter into first cavity in, make the rivers in first cavity and the second cavity replace each other, guarantee rivers to casing and driving motor's cooling effect.

A first baffle matched with the first through cavity is arranged on the inner wall of the second cavity, a second movable groove matched with the first baffle is arranged on the first push plate, a connecting groove is formed in the top of the second movable groove, and a third push plate is rotatably connected in the connecting groove; when the first push plate rotates, the water flow is pushed to flow in the second cavity, the water flow entering the second movable groove is contacted with the third push plate, and the water flow is pushed to move continuously under the action of the third push plate so as to enable the water flow to flow continuously in the second cavity; under the mutual matching of the second movable groove and the first baffle, the first push plate is prevented from colliding with the first baffle when rotating, and the normal rotation of the first push plate is ensured; when first baffle contacted with the third push pedal, first baffle promoted the third push pedal toward the spread groove internal rotation, made the third connecting plate turn into in the spread groove to the messenger is less than the smooth process of following first baffle of third push pedal, avoids first baffle to cause the influence to the rotation of first push pedal.

A third connecting block is arranged on the shell, a fifth connecting plate is rotatably connected to the third connecting block, a torsional spring is arranged at the connecting position of the fifth connecting plate and the third connecting block, and a second baffle is arranged at one end of the fifth connecting plate; a fourth connecting block is arranged on the shell, a second movable cavity is arranged in the fourth connecting block, a second push plate is arranged in the second movable cavity, a second push rod matched with the fifth connecting plate is arranged on the second push plate, compressed air is filled in the second movable cavity, and the compressed air is filled below the second push plate; when the driving motor drives the fan blades to rotate, part of air flow blows on the second baffle plate, the air flow blocked by the second baffle plate flows along the surfaces of the second baffle plate and the fifth connecting plate, the air flow is guided to the surface of the shell, the air flow flows through the surface of the shell, the air flow velocity of the surface of the shell is increased, so that the shell is cooled, and the cooling effect of clean water in the second cavity is improved; when the temperature of the air inlet is too high, the temperature of the air inlet is transmitted to the shell, the temperature on the shell is transmitted to the fourth connecting block, compressed air in the second movable cavity is heated to expand, the volume of air in the second movable cavity is increased, the compressed air pushes the second push plate to move upwards, the second push rod pushes one end of the fifth connecting plate to move upwards, the second baffle plate moves downwards, the blocking area of the second baffle plate on the air outlet is increased, so that more air flow is guided to the surface of the shell, more air flow flows through the surface of the shell, the air flow rate on the surface of the shell is further increased, a good cooling effect is achieved on the shell, and the influence of high temperature on the use of the fan is avoided; under the torsional spring setting, make the fifth connecting plate be in the horizontality under the normal condition, avoid the second baffle to keep off down too much air current, guarantee the displacement of fan.

The invention has the following advantages: through the circular flow of the water flow, the water flow is fully contacted with the inner wall of the cavity when the water flow flows, so that the sleeve and the shell are contacted to dissipate the heat in the water flow, and the temperature of the water flow is reduced; can react after detecting department fan trouble through rivers effect, solve the problem that will produce, promote detection device's practicality.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a first cross-sectional view of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an enlarged view of fig. 2 at B.

Fig. 5 is an enlarged view of fig. 4 at C.

FIG. 6 is a second cross-sectional view of the present invention.

Fig. 7 is an enlarged view of fig. 6 at D.

Fig. 8 is an enlarged view of fig. 7 at E.

Fig. 9 is a third schematic cross-sectional view of the present invention.

Fig. 10 is an enlarged view of fig. 9 at F.

Fig. 11 is an enlarged view at G in fig. 9.

Fig. 12 is an enlarged view of fig. 9 at H.

Detailed Description

As shown in fig. 1-12, a fault detection device for an axial flow fan includes a housing 1, a driving motor 2 disposed in the housing 1, and a fan blade 21 disposed on an output shaft of the driving motor 2, wherein a first connecting rod is disposed on an inner wall of the housing 1, a mounting plate 11 is disposed on the first connecting rod, the driving motor 2 is disposed on the mounting plate 11, a sleeve 5 matched with the driving motor 2 is disposed on the mounting plate 11, a first cavity is disposed in the sleeve 5, a second cavity is disposed in the housing 1, a second connecting rod 54 is disposed on a side wall of the sleeve 5, one end of the second connecting rod 54 is fixedly connected to the inner wall of the housing 1, a first through cavity for communicating the first cavity with the second cavity is disposed on the second connecting rod, and a temperature sensor is disposed in the first cavity; clear water is filled in the first cavity and the second cavity, and when the driving motor 2 drives the fan blades 21 to rotate, water flow in the second cavity enters the first cavity; when the axial flow fan works, the driving motor drives the fan blades to rotate, water flow in the second cavity enters the second cavity through the first through cavity, water flow in the second cavity enters the first cavity through the first through cavity, the water flow flows between the first cavity and the second cavity, the driving motor and the air inlet can be cooled under the action of the water flow, and the influence of the heating of the driving motor and the air inlet on the service life of the fan is avoided; the temperature sensor detects the temperature of the water flow in the first cavity, so that the phenomenon that the temperature of the water flow in the first cavity is too high to lose the cooling effect on the driving motor and the shell is avoided, and the cooling effect of clean water on the fan is ensured; the fan is detected and simultaneously the problem generated by the fan is directly responded, so that the fault on the fan is directly removed, the fan is dropped to play a role in protection, and the service life of the fan is prolonged; through the circular flow of the water flow, the water flow is fully contacted with the inner wall of the cavity when the water flow flows, so that the sleeve and the shell are contacted to dissipate the heat in the water flow, and the temperature of the water flow is reduced; can react after detecting department fan trouble through rivers effect, solve the problem that will produce, promote detection device's practicality.

The sleeve 5 is made of elastic materials, two groups of second through cavities are arranged on the sleeve 5 and are respectively arranged at the top and the bottom of the sleeve 5, and gaps are formed between the top and the bottom of the first cavity under the arrangement of the second through cavities; a plurality of through holes are formed in the mounting plate 11; when the fan works, airflow enters the shell from the air inlet of the fan, and the air inlet volume of the fan is increased under the arrangement of the through holes, so that the air supply effect of the fan is improved; the air flow passing through the through hole is directly blown on the sleeve, so that the air flow velocity on the surface of the sleeve is increased, the heat dissipation effect of the sleeve is improved, and the temperature of the water flow in the first cavity is conveniently reduced; under the second leads to the chamber to set up, makes partial air current follow the second and leads to the intracavity process, increases air current and sheathed tube area of contact, plays the reposition of redundant personnel effect to the rivers in the first cavity to make the more quick cooling of rivers, further promote the cooling effect to rivers, thereby guarantee the cooling effect of rivers to driving motor.

A first opening is formed in the top of the first cavity, a second opening is formed in the bottom of the first cavity, a first connecting plate 51 is arranged in the first opening, a second connecting plate is arranged in the second opening, a water inlet is formed in the first connecting plate 51, a water outlet is formed in the second connecting plate, a water inlet pipe 3 matched with the water inlet is formed in the first connecting plate 51, and a water outlet pipe matched with the water outlet is formed in the second connecting plate; when the temperature of the water flow in the first cavity rises to a preset temperature, the temperature sensor feeds information back to the water inlet pipe and the water outlet pipe, the water flow in the first cavity is discharged from the water outlet, new clean water flows into the first cavity from the water inlet pipe, the clean water in the first cavity is replaced, the water flow in the first cavity is ensured to be in a normal temperature state, the temperature of the driving motor is rapidly reduced, and the driving motor is prevented from being damaged by high temperature; through the change operation of rivers, get rid of the trouble after detection device detects the department trouble rapidly, very big promotion detection device's reliability.

A third connecting plate 52 is hinged to one end of the first connecting plate 51, a fourth connecting plate 53 is hinged to one end of the third connecting plate 52, and a sealing block 54 matched with the water inlet is arranged at the bottom of the first connecting plate 51; a first connecting block is arranged on the inner wall of the shell 1, and an electric push rod 16 matched with the fourth connecting plate 53 is arranged on the first connecting block; after rivers temperature in the first cavity rises to the default, temperature sensor with signal transmission to electric putter on, electric putter promotes the fourth connecting plate and moves forward, the third connecting plate rotates around the tie point, makes the third connecting plate toward vertical direction rotation, the first connecting plate of third connecting plate promotion up-movement makes water inlet and delivery port open to do the change to the clear water in the first cavity, play quick cooling effect to driving motor.

A first push rod 521 is arranged on the third connecting plate 52, a first push block is arranged at one end of the first push rod 521, a first sliding block 522 is arranged at the top of the first push rod 521, a first sliding groove matched with the first sliding block 522 is arranged at the bottom of the first connecting plate 51, the sealing block 54 is made of rubber, a second sliding block matched with the first sliding groove is arranged on the sealing block 54, a third opening is arranged on the sealing block 54, the third opening is in a straight shape, and the third opening can be formed by cutting the sealing block by a knife; when the electric push rod pushes the fourth connecting plate to move forwards, the third connecting plate rotates towards the vertical direction, the point connecting plate pushes the first push rod to move forwards, the first push block is in contact with the sealing block, the sealing block is pushed to deform under the action of the first push block, the opening degree of the third opening is increased after the sealing block deforms, and the water inlet is in an open state, so that water flow in the water inlet pipe can enter the first cavity to play a role in quickly cooling the driving motor; under the mutually supporting of first slider, second slider and first spout, play the guide effect to the removal of sealed piece and first push rod, make first push rod can only do horizontal migration, guarantee the cooperation effect of first ejector pad and sealed piece to it uses to start controlling the opening and close of water inlet.

A first movable cavity is arranged on the inner wall of the water inlet, a fourth opening is arranged on the side wall of the first movable cavity, a limiting block 511 is arranged in the fourth opening, and a limiting groove matched with the limiting block 511 is arranged on the side wall of the water inlet pipe 3; a second connecting block 514 penetrates through the first movable cavity, the second connecting block 514 is matched with the first movable cavity through threads, and when the second connecting block 514 moves downwards, the limiting block 511 extends out of the fourth opening; when the water inlet pipe is installed, the water inlet pipe is inserted into the water inlet, the limiting groove is positioned on one side of the limiting block, the second connecting block is installed in the first movable cavity, the second connecting block is rotated to enable the second connecting block to move towards the bottom of the first movable cavity, the limiting block extends out of the fourth opening, the limiting block is embedded into the limiting groove to be matched with the limiting groove, the water inlet pipe is fixed, the water inlet pipe is driven to move together when the first connecting plate moves, and the matching effect of the water inlet pipe and the first connecting plate is guaranteed; through the threaded connection of second connecting block and first activity chamber, play the auto-lock effect to the second connecting block, make the second connecting block pack into behind the first activity intracavity and fixed at first activity intracavity, guarantee the cooperation effect of second connecting block and stopper.

A third connecting rod 512 is hinged to the side wall of the limiting block 511, one end of the third connecting rod 512 is hinged to a fourth connecting rod 513, the other end of the fourth connecting rod 513 is hinged to the inner wall of the first movable cavity, a second push block 515 is arranged at the bottom of the second connecting block 514, and the second push block 515 is arranged above the joint of the third connecting rod 512 and the fourth connecting rod 513; an air bag 516 is further arranged on the inner wall of the water inlet, and a fifth opening communicated with the air bag 516 is formed in the side wall of the first movable cavity; after the second connecting block is arranged in the first movable cavity, the second push block is contacted with the connecting part of the third connecting rod and the fourth connecting rod, the second push block pushes the connecting point of the third connecting rod and the fourth connecting rod to move downwards, so that the third connecting rod and the fourth connecting rod rotate to a linear state, and the limiting block is pushed out from the fourth opening so as to be embedded into the limiting groove; after the second connecting block is installed into the first movable cavity, the space in the first movable cavity is reduced, air in the first movable cavity enters the air bag, the air bag expands after being inflated, the side part of the air bag is in contact with the side wall of the water inlet pipe, the second connecting block is matched with the limiting block to fix the water inlet pipe, and the matching effect of the water inlet pipe and the water inlet is guaranteed.

A first connecting ring is arranged on an output shaft of the driving motor 2, a fifth connecting rod 22 is arranged on the first connecting ring, a second connecting ring is arranged on the fifth connecting rod 22, a first movable groove matched with the second connecting ring is arranged on the side wall of the second cavity, a first push plate 23 is arranged on the second connecting ring, and the first push plate 23 is of an arc-shaped structure; when driving motor drive flabellum rotates, drive first go-between and second go-between and rotate, the second go-between drives first push pedal and rotates, first push pedal promotes the rivers in the second cavity and moves in the second cavity, make the rivers in the second cavity be in the motion state, rivers enter into first logical intracavity when moving to first logical chamber position department, make the rivers in the second cavity enter into first cavity in, make the rivers in first cavity and the second cavity replace each other, guarantee rivers to casing and driving motor's cooling effect.

A first baffle plate 17 matched with the first through cavity is arranged on the inner wall of the second cavity, a second movable groove matched with the first baffle plate 17 is arranged on the first push plate 23, a connecting groove is formed in the top of the second movable groove, and a third push plate 231 is rotatably connected in the connecting groove; when the first push plate rotates, the water flow is pushed to flow in the second cavity, the water flow entering the second movable groove is contacted with the third push plate, and the water flow is pushed to move continuously under the action of the third push plate so as to enable the water flow to flow continuously in the second cavity; under the mutual matching of the second movable groove and the first baffle, the first push plate is prevented from colliding with the first baffle when rotating, and the normal rotation of the first push plate is ensured; when first baffle contacted with the third push pedal, first baffle promoted the third push pedal toward the spread groove internal rotation, made the third connecting plate turn into in the spread groove to the messenger is less than the smooth process of following first baffle of third push pedal, avoids first baffle to cause the influence to the rotation of first push pedal.

A third connecting block 12 is arranged on the shell 1, a fifth connecting plate 13 is rotatably connected to the third connecting block 12, a torsion spring is arranged at the joint of the fifth connecting plate 13 and the third connecting block 12, and a second baffle 131 is arranged at one end of the fifth connecting plate 13; a fourth connecting block 14 is arranged on the shell 1, a second movable cavity is arranged in the fourth connecting block 14, a second push plate 15 is arranged in the second movable cavity, a second push rod 151 matched with the fifth connecting plate 13 is arranged on the second push plate 15, compressed air is filled in the second movable cavity, and the compressed air is filled below the second push plate 15 so as to push the second push plate to move upwards under the action of the compressed air; when the driving motor drives the fan blades to rotate, part of air flow blows on the second baffle plate, the air flow blocked by the second baffle plate flows along the surfaces of the second baffle plate and the fifth connecting plate, the air flow is guided to the surface of the shell, the air flow flows through the surface of the shell, the air flow velocity of the surface of the shell is increased, so that the shell is cooled, and the cooling effect of clean water in the second cavity is improved; when the temperature of the air inlet is too high, the temperature of the air inlet is transmitted to the shell, the temperature on the shell is transmitted to the fourth connecting block, compressed air in the second movable cavity is heated to expand, the volume of air in the second movable cavity is increased, the compressed air pushes the second push plate to move upwards, the second push rod pushes one end of the fifth connecting plate to move upwards, the second baffle plate moves downwards, the blocking area of the second baffle plate on the air outlet is increased, so that more air flow is guided to the surface of the shell, more air flow flows through the surface of the shell, the air flow rate on the surface of the shell is further increased, a good cooling effect is achieved on the shell, and the influence of high temperature on the use of the fan is avoided; under the torsional spring setting, make the fifth connecting plate be in the horizontality under the normal condition, avoid the second baffle to keep off down too much air current, guarantee the displacement of fan.

Be equipped with sixth connecting plate 18 on the shells inner wall, can be equipped with a sixth connecting plate on top inner wall and the bottom inner wall respectively, be equipped with logical groove on the sixth connecting plate, the inlet tube is worn to locate lead to the inslot, be equipped with third slider 31 on the inlet tube lateral wall, lead to the inslot wall be equipped with third slider matched with second spout plays the fixed action to the inlet tube under the effect of sixth connecting plate, makes the inlet tube be up-and-down motion along with first connecting plate, guarantees that the water changing operation in the first cavity goes on smoothly.

The second connecting plate structure is the same as the first connecting plate structure, the water inlet pipe structure is the same as the water outlet pipe structure, the connecting structure of the water inlet pipe and the first connecting plate is the same as the connecting structure of the water outlet pipe and the second connecting plate, a seventh connecting plate is hinged to the second connecting plate, the other end of the seventh connecting plate is hinged to the fourth connecting plate, when the fourth connecting plate moves forwards, the first connecting plate moves upwards, the second connecting plate moves downwards, the water inlet and the water outlet are opened simultaneously, and therefore water flow in the first cavity is replaced; (ii) a When electric putter promoted the fourth connecting plate and removed, first connecting plate and second connecting plate drove sleeve pipe top and bottom back of the body mutually and move, increased the second and led to the chamber bore to increase the airflow that passes through from the second and led to the intracavity, make more airflows and second lead to the intracavity wall and contact, increase the air flow on sleeve pipe surface, play quick cooling effect to the sleeve pipe.

When the driving motor works normally, the driving motor drives the first connecting ring to rotate, so that the first push plate rotates in the second cavity, the first push plate pushes water flow in the second cavity to flow in the second cavity, the water flow is contacted with the first baffle plate and enters the first cavity, the water flow in the second cavity enters the first cavity, and the shell and the driving motor are cooled under the action of the water flow; when the temperature of the fan is too high, compressed air in the second movable cavity is heated to expand, so that the compressed air pushes the second push plate to move upwards, the fifth connecting plate rotates around the connecting point, airflow is guided to the surface of the shell, and the shell is cooled; temperature sensor is with signal feedback on electric putter, and electric putter promotes the fourth connecting plate and moves forward, promotes first connecting plate and second connecting plate when the fourth connecting plate removes, and water inlet and delivery port are opened, and rivers in the first cavity are discharged from the delivery port, and new rivers get into in following the water inlet, play good cooling effect to driving motor, avoid high temperature to damage the fan, extension fan life.

The driving motor and the electric push rod in the attached drawing of the application are schematic diagrams, and the specific structure of the driving motor and the electric push rod is the same as that of a motor and an electric push rod in the prior art.

Claims

1. The utility model provides an axial fan's fault detection device, includes casing (1), locates driving motor (2) in casing (1) and locating driving motor (2) epaxial flabellum (21) of output, be equipped with the head rod on casing (1) inner wall, be equipped with mounting panel (11) on the head rod, driving motor (2) are located on mounting panel (11), its characterized in that: the mounting plate (11) is provided with a sleeve (5) matched with the driving motor (2), a first cavity is arranged in the sleeve (5), a second cavity is arranged in the shell (1), the side wall of the sleeve (5) is provided with a second connecting rod (54), one end of the second connecting rod (54) is fixedly connected to the inner wall of the shell (1), the second connecting rod is provided with a first through cavity used for communicating the first cavity with the second cavity, and a temperature sensor is arranged in the first cavity; clear water is filled in the first cavity and the second cavity, and when the driving motor (2) drives the fan blades (21) to rotate, water flow in the second cavity enters the first cavity.

2. The axial flow fan failure detection device according to claim 1, characterized in that: the sleeve (5) is made of elastic materials, two groups of second through cavities are arranged on the sleeve (5), the two groups of second through cavities are respectively arranged at the top and the bottom of the sleeve (5), and gaps are formed between the top and the bottom of the first cavity under the arrangement of the second through cavities; the mounting plate (11) is provided with a plurality of through holes.

3. The axial flow fan failure detection device according to claim 1, characterized in that: the water inlet structure is characterized in that a first opening is formed in the top of the first cavity, a second opening is formed in the bottom of the first cavity, a first connecting plate (51) is arranged in the first opening, a second connecting plate is arranged in the second opening, a water inlet is formed in the first connecting plate (51), a water outlet is formed in the second connecting plate, a water inlet pipe (3) matched with the water inlet is formed in the first connecting plate (51), and a water outlet pipe matched with the water outlet is formed in the second connecting plate.

4. The axial flow fan failure detecting device according to claim 3, wherein: one end of the first connecting plate (51) is hinged with a third connecting plate (52), one end of the third connecting plate (52) is hinged with a fourth connecting plate (53), and the bottom of the first connecting plate (51) is provided with a sealing block (54) matched with the water inlet; the inner wall of the shell (1) is provided with a first connecting block, and the first connecting block is provided with an electric push rod (16) matched with the fourth connecting plate (53).

5. The axial flow fan failure detecting device according to claim 4, wherein: the sealing device is characterized in that a first push rod (521) is arranged on the third connecting plate (52), a first push block is arranged at one end of the first push rod (521), a first sliding block (522) is arranged at the top of the first push rod (521), a first sliding groove matched with the first sliding block (522) is formed in the bottom of the first connecting plate (51), the sealing block (54) is made of elastic materials, a second sliding block matched with the first sliding groove is arranged on the sealing block (54), and a third opening is formed in the sealing block (54).

6. The axial flow fan failure detecting device according to claim 3, wherein: a first movable cavity is arranged on the inner wall of the water inlet, a fourth opening is arranged on the side wall of the first movable cavity, a limiting block (511) is arranged in the fourth opening, and a limiting groove matched with the limiting block (511) is arranged on the side wall of the water inlet pipe (3); wear to be equipped with second connecting block (514) in the first activity intracavity, second connecting block (514) with first activity chamber passes through screw thread and cooperatees, works as when second connecting block (514) down move, stopper (511) are followed stretch out in the fourth opening.

7. The axial flow fan failure detecting device according to claim 6, wherein: a third connecting rod (512) is hinged to the side wall of the limiting block (511), a fourth connecting rod (513) is hinged to one end of the third connecting rod (512), the other end of the fourth connecting rod (513) is hinged to the inner wall of the first movable cavity, a second push block (515) is arranged at the bottom of the second connecting block (514), and the second push block (515) is arranged above the connection position of the third connecting rod (512) and the fourth connecting rod (513); an air bag (516) is further arranged on the inner wall of the water inlet, and a fifth opening communicated with the air bag (516) is formed in the side wall of the first movable cavity.

8. The axial flow fan failure detection device according to claim 1, characterized in that: the improved structure of the automobile seat is characterized in that a first connecting ring is arranged on an output shaft of the driving motor (2), a fifth connecting rod (22) is arranged on the first connecting ring, a second connecting ring is arranged on the fifth connecting rod (22), a first movable groove matched with the second connecting ring is formed in the side wall of the second cavity, a first push plate (23) is arranged on the second connecting ring, and the first push plate (23) is of an arc-shaped structure.

9. The axial flow fan failure detecting device according to claim 8, wherein: be equipped with on the second cavity inner wall with first logical chamber matched with first baffle (17), be equipped with on first push pedal (23) with first baffle (17) matched with second activity groove, second activity groove top is equipped with the spread groove, rotatable coupling has third push pedal (231) in the spread groove.

10. The axial flow fan failure detection device according to claim 1, characterized in that: a third connecting block (12) is arranged on the shell (1), a fifth connecting plate (13) is rotatably connected onto the third connecting block (12), a torsion spring is arranged at the joint of the fifth connecting plate (13) and the third connecting block (12), and a second baffle (131) is arranged at one end of the fifth connecting plate (13); be equipped with fourth connecting block (14) on casing (1), be equipped with the second movable chamber in fourth connecting block (14), the second movable intracavity is equipped with second push pedal (15), be equipped with on second push pedal (15) with fifth connecting plate (13) matched with second push rod (151), the intracavity is filled to the second activity has compressed air, compressed air fill in second push pedal (15) below.