CN117869341A - Blower structure for automobile air conditioning system - Google Patents

Abstract

The invention relates to the technical field of automobile air conditioners and discloses a blower structure for an automobile air conditioner system, wherein an air cavity is formed in a shell, an air inlet communicated with the air cavity is formed in one side of the shell, an air outlet communicated with the air cavity is formed in an outer ring of the shell, a mounting disc is fixedly arranged on the other side of the shell, a motor is fixedly arranged on the outer side of the mounting disc, a hub is fixedly connected with the output end of the motor, blades are uniformly and fixedly arranged at the outer ring position of the top of the hub in an annular shape, a wheel cover is fixedly arranged at the top of each blade, the hub, the wheel cover and the blades form an impeller structure, an air guide device is arranged in the impeller structure, and a circuit control system is matched in the blower, so that the blowing effect and the service life of the blades of the blower are improved, and meanwhile, the noise generated by the impeller in the working process is reduced.

Description

Blower structure for automobile air conditioning system

Technical Field

The invention relates to the technical field of automobile air conditioners, in particular to a blower structure for an automobile air conditioning system.

Background

In order to pursue the comfort of driving nowadays, the automobile air conditioner is an indispensable part, and the automobile air conditioner system mainly comprises a refrigerating system, a heating system, a ventilation structure, an air purifying device and the like, wherein the ventilation adopts a blower which mainly blows cold air above an air conditioner evaporation box or hot air of a warm water tank into the automobile, the structure mainly comprises an impeller, a motor, a volute and the like, and the motor is used for driving the impeller to rotate to realize air circulation during the operation, but the air conditioner system still has certain defects:

when the air blower is used, the air blower rotates through the impeller, air is introduced into the middle part of the air blower and is thrown out to the periphery, and the air blower can realize an air transmission effect along the inside of the cavity under the limit of the volute, but the air blower is used for exhausting air to the middle part through the impeller and then blowing out from the periphery, and meanwhile, the air inlet of the air blower is arranged at the axial middle part of the impeller, so that when the impeller rotates rapidly, air entering from the air inlet can be thrown out directly by the impeller, and then the air quantity at one end, close to the air inlet, of the whole impeller in the axial direction is large, the air quantity at the other end is small, so that the air outlet of the impeller is uneven, the service life of the air blower is influenced, and the impeller is vibrated possibly, so that the air blower emits large noise; meanwhile, when the air blower is used, the blades of the air blower are bent to a certain extent, the wind direction in the middle of the air blower can be effectively thrown out all around, but the air in the air blower cannot be always clean due to the circulation effect, so that dust impurities can be adhered to the blades of the impeller when the air blower works, the effect of blowing can be influenced after a long time, and meanwhile, great noise can be caused, and the normal use of an air conditioning system is influenced.

Disclosure of Invention

Aiming at the defects of the background technology, the invention provides a blower structure for an automobile air conditioning system, which has the advantages of long service life and high blowing efficiency and solves the problems of the background technology.

The invention provides the following technical scheme: the utility model provides a blower structure for automobile air conditioning system, includes the casing, the wind chamber has been seted up to the inside of casing, the air intake with the wind chamber intercommunication has been seted up to one side of casing, the air outlet with the wind chamber intercommunication has been seted up to the outer lane of casing, opposite side fixed mounting of casing has the mounting disc, the outside fixed mounting of mounting disc has the motor, the output fixedly connected with wheel hub of motor, the top outer lane position of wheel hub is annular even fixed mounting and has the blade, the top fixed mounting of blade has the wheel cap, wheel hub, wheel cap and blade constitute impeller structure and be provided with the wind-guiding device inside the impeller structure.

Preferably, the top of the hub is uniformly provided with groove blocks at the inner ring of the blade, annular grooves are formed between adjacent groove blocks, a rotating wheel rod is movably arranged in the middle of each annular groove adjacent to the corresponding groove block, a vertical rod is fixedly arranged in the middle of the top surface of the hub, a sliding ring is movably sleeved on the outer ring of the vertical rod, a first reset spring is movably sleeved on the outer ring of the vertical rod at the bottom of the sliding ring, a sliding groove is formed in the vertical rod, a Hall element is movably sleeved in the sliding groove, and a magnetic ring is fixedly arranged in the middle of the sliding ring.

Preferably, the hall element slides up and down in the chute under the action of the magnetic force of the magnetic ring, the inner wall of the chute is provided with a resistor in electrical contact with the hall element and is communicated with the control system, the control system controls the resistance when the runner rod rotates, and the runner rod is controlled by the system to have the minimum rotation resistance when the hall element slides to the end closest to the hub.

Preferably, the wind chamber roof is located air intake bottom department fixed mounting and has had the cone, two sliding sleeves have been cup jointed in the outer lane slip of blade, the tip department that is located the blade inside wheel hub and the wheel cap is cyclic annular even fixed mounting and has had the electro-magnet, the output fixed mounting of motor has the connection pad, the even screw thread cup joints with wheel hub's bottom has been threaded spindle, wheel hub's middle part is round platform form arch and protruding height and inclined plane angle all the same with the cone.

Preferably, the pressure groove is formed in the top surface of the middle of the hub, the pressure head is movably sleeved in the pressure groove, a second reset spring is fixedly connected between the bottom of the pressure head and the bottom wall of the pressure groove, a resistor strip is fixedly arranged on the inner wall of the pressure groove, and a sliding sheet ring in sliding contact with the resistor strip is fixedly arranged on the outer ring of the pressure head.

Preferably, a magnetic attraction force is arranged between the two sliding sleeves on the blade, and after the electromagnet in the hub and the wheel cover is electrified, the corresponding two sliding sleeves are respectively applied with the magnetic attraction force, and the magnetic attraction force of the electromagnet between the two sliding sleeves is larger than that between the two sliding sleeves.

Preferably, two resistance bars are connected in series with the slip sheet ring, a circuit formed by the resistance bars and the slip sheet ring is connected to a control system and controls the current passing through the electromagnet, and the more the pressure head contracts towards the inside of the pressure groove, the larger the current passing through the electromagnet.

The invention has the following beneficial effects:

compared with the prior art, the air guiding device is arranged in the air blower and is matched with the circuit control system, the air guiding device can effectively ensure that the air guiding of each part is realized in the impeller through the groove blocks and the rotating wheel rod, so that the air blowing efficiency and the service life of the blades are uniformly improved, meanwhile, the rotating of the rotating wheel rod is controlled by the sliding adjustment of the sliding ring and the Hall element, the air blowing uniformity during the working is further limited, and the vibration stabilizing work is reduced; simultaneously set up the sliding sleeve at the outer lane of blade, through installation electro-magnet and adaptation work in wheel hub and wheel cap, the effect of blowing can be guaranteed to the restriction that utilizes conical head and wheel hub middle part boss simultaneously, avoid leading to the fact backward flow and influence such as great noise in the tip department of impeller, but also can adjust the slip of sliding sleeve as required power, can also clear up the dust impurity that the blade surface is attached when the sliding sleeve slides, simultaneously according to wind-force regulation sliding sleeve more do benefit to blade air-out stability, because the clearance between the adjacent blade is realized interval adjustment in the setting of sliding sleeve can be made, improve the production of water conservancy diversion effect noise reduction.

Drawings

FIG. 1 is a schematic overall view of a structure according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an internal structure of an embodiment of the present invention;

FIG. 3 is a radial cross-sectional view of a structure according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a structure of an embodiment of the present invention;

FIG. 5 is a schematic overall view of a second embodiment of the present invention;

FIG. 6 is an axial cross-sectional view of a second embodiment of the present invention;

FIG. 7 is a schematic diagram of an internal structure of a second embodiment of the present invention;

FIG. 8 is a schematic view of a second impeller according to an embodiment of the present invention;

FIG. 9 is an enlarged view of FIG. 6 at B;

fig. 10 is an enlarged view of fig. 7 at C.

In the figure: 1. a housing; 101. a wind chamber; 2. an air inlet; 3. an air outlet; 4. a mounting plate; 5. a hub; 501. a pressure tank; 6. wheel cover; 7. a blade; 8. a trough block; 9. a runner bar; 10. a vertical rod; 1001. a chute; 11. a slip ring; 12. a first return spring; 13. a Hall element; 14. a magnetic ring; 15. a motor; 16. a conical head; 17. a sliding sleeve; 18. an electromagnet; 19. a connecting disc; 20. a pressure head; 21. a screw; 22. a second return spring; 23. a resistor strip; 24. a slip sheet ring.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1-4, a blower structure for an air conditioning system of an automobile includes a housing 1, an air chamber 101 provided in the housing 1, an air inlet 2 connected with the air chamber 101 provided at one side of the housing 1, an air outlet 3 connected with the air chamber 101 provided at an outer ring of the housing 1, a filtering layer provided at the air outlet 3 to filter dust and impurities in blown air, and facilitate subsequent cleaning, a mounting disc 4 fixedly provided at the other side of the housing 1, a motor 15 fixedly provided at an outer side of the mounting disc 4, a hub 5 fixedly connected with an output end of the motor 15, blades 7 provided at an outer ring position at a top of the hub 5 in a ring shape, wheel covers 6 fixedly provided at a top of the blades 7, the hub 5, the wheel covers 6 and the blades 7 forming an impeller structure and an air guiding device provided inside the impeller structure, the top of the hub 5 is uniformly provided with groove blocks 8 at the inner ring of the blade 7, the adjacent groove blocks 8 are in a ring groove shape, the middle part of the adjacent ring groove of the groove blocks 8 is movably provided with a rotating wheel rod 9, the rotating wheel rod 9 is in a design that a rotating rod and a rotating wheel are combined, when one end of the rotating wheel rod rotates, the whole wheel is driven to realize rotation, if the air quantity at two ends is different, the rotating wheel rod 9 generates rotation difference, but the rotating wheel rod 9 is positioned on the same rotating wheel rod, so that the same air quantity is ensured in the axial direction, the long-term use of the impeller is facilitated, the middle part of the top surface of the hub 5 is fixedly provided with a vertical rod 10, the outer ring of the vertical rod 10 is movably sleeved with a sliding ring 11, the bottom of the sliding ring 11 is positioned at the outer ring of the vertical rod 10 in a movable sleeve joint with a first reset spring 12, the inner part of the vertical rod 10 is provided with a sliding groove 1001, the inside activity of spout 1001 has cup jointed hall element 13, the middle part fixed mounting of sliding ring 11 has magnetic ring 14, first the installation of whole air-blower will make the axial of impeller be in the horizontality, can not influence the interact between each inside structure because of gravity effect like this when it rotates, hall element 13 receives the magnetic force effect of magnetic ring 14 to slide from top to bottom in spout 1001 inside, the inner wall of spout 1001 is provided with the resistance and the intercommunication control system with hall element 13 electric contact, the resistance when control system controls runner pole 9 rotation, the runner pole 9 receives the rotation resistance of system control minimum when hall element 13 slides to be closest to wheel hub 5 one end, receive the influence of air inlet through sliding ring 11, thereby can slide on montant 10 and compress first reset spring 12, then drive the slip feedback of hall element 13 to control system through magnetic ring 14, thereby be used for restricting runner pole 9 rotation, can play certain guard action like this, also be restricted a plurality of runner poles 9, avoid each to produce great rotational speed difference at the during operation, so that it can both keep on certain rotational speed on the whole, more evenly play the effect of wind.

The working principle is that when the wind turbine is in operation, the motor 15 is started to drive the hub 5 to rotate, the rotation of the hub 5 drives the blades 7 and the wheel cover 6 to synchronously rotate, then wind is sucked into the wind cavity 101 through the air inlet 2, the wind entering the wind cavity 101 is blown away to the periphery through the rotating wheel rod 9 and simultaneously drives the rotating wheel rod 9 to rotate, the rotating wheel rod 9 is provided with the same length as the blades 7, so that the ventilation quantity of each section of the rotating wheel rod 9 is the same when the whole rotating wheel rod 9 rotates, the uniformity of wind receiving of the blades 7 is ensured, and the whirling wind passing through the blades 7 flows along the inner cavity of the wind cavity 101 and finally is blown out along the air outlet 3 and finally flows to the air conditioner air outlet of an automobile;

meanwhile, when the air inlet makes the runner bar 9 rotate, the slip ring 11 also slides along the vertical rod 10 under the action of wind force, and compresses the first return spring 12, and the slip ring 11 drives the magnetic ring 14 inside the slip ring to synchronously slide while sliding, so that the Hall element 13 is further driven to slide inside the sliding groove 1001, and the signal in the control circuit is changed, so that the limitation of the rotation of the runner bar 9 is further controlled, the runner bar 9 can rotate in a certain rotation speed range, the air inlet quantity is ensured, the working uniformity of the runner is ensured, and the long-term use of the impeller is facilitated.

Example two

Referring to fig. 5-10, a conical head 16 is fixedly installed at the bottom of an air inlet 2 on the top wall of an air cavity 101, two sliding sleeves 17 are sleeved on the outer ring of a blade 7 in a sliding manner, an electromagnet 18 is uniformly and annularly installed at the end of the blade 7 inside a hub 5 and a wheel cover 6, a connecting disc 19 is fixedly installed at the output end of a motor 15, a screw 21 is uniformly sleeved at the bottom of the connecting disc 19 and the hub 5, the stability of the hub 5 can be enhanced through the cooperation of the connecting disc 19 and the screw 21, the middle part of the hub 5 is in a truncated cone shape, the height and the inclined plane angle of the protrusion are the same as those of the conical head 16, the design of the conical head 16 and the middle part of the hub 5 are adopted, so that wind entering the air cavity 101 through the air inlet 2 can be effectively guided to the middle position, and at the moment, due to the limitation of the protrusions at the middle parts of the conical head 16 and the hub 5, the wind at the middle part of the impeller can be larger at the moment, so that the impeller can be ensured to be uniform enough when the impeller is thrown around, meanwhile, the thrown wind is diffused from the middle part to the periphery, the air circulation caused by the fact that the inlet air is close to the end part of the impeller can be effectively avoided, the larger noise is generated, the wind outlet effect is influenced, the magnetic attraction force is exerted on the corresponding two sliding sleeves 17 after the electromagnet 18 in the hub 5 and the wheel cover 6 is electrified, the magnetic attraction force of the electromagnet 18 is larger than the magnetic attraction force between the two sliding sleeves 17, the sliding situation of the sliding sleeves 17 on the blade 7 can be attracted through the magnetic force of the electromagnet 18, on one hand, the sliding sleeve 17 is driven to slide along the blade 7 during operation, dust impurities can be cleaned, and the things adsorbed on the surface of the blade 7 can be cleaned, on the other hand, the air outlet condition of the middle part of the blade 7 is controlled through the sliding of the sliding sleeve 17, and when the air quantity is required to be large, the sliding sleeve 17 is attracted by the electromagnet 18 to be closer to the end part, so that the air outlet of the middle part of the blade 7 is smoother.

Referring to fig. 6-7 and 9-10, a pressure groove 501 is formed in the top surface of the middle of the hub 5, a pressure head 20 is movably sleeved in the pressure groove 501, a second reset spring 22 is fixedly connected between the bottom of the pressure head 20 and the bottom wall of the pressure groove 501, a resistor bar 23 is fixedly mounted on the inner wall of the pressure groove 501, a sliding vane ring 24 in sliding contact with the resistor bar 23 is fixedly mounted on the outer ring of the pressure head 20, two resistor bars 23 are connected in series with the sliding vane ring 24, a circuit formed by the resistor bar 23 and the sliding vane ring 24 is connected to a control system, the current passing through the electromagnet 18 is controlled, the more electromagnet 18 is contracted towards the inside of the pressure groove 501 by the pressure head 20, the larger current passing through the electromagnet 18 is, when the air inlet quantity is large, the wind force born by the pressure head 20 is increased, so as to be compressed into the pressure groove 501, the inside, the resistor bar 24 is driven to slide along the resistor bar 23, the sliding adjusting circuit is further the current in the electromagnet 18 is increased, the electromagnet 18 is attracted by the sliding vane 17 to slide to the two ends along the vane 7, and the vane 7 is more favorable for high-power wind outlet of the vane 7.

The working principle is that when the wind turbine is in operation, the motor 15 is started to drive the hub 5 to rotate through the connecting disc 19, the rotation of the hub 5 drives the blades 7 and the wheel cover 6 to synchronously rotate, then wind is sucked into the wind cavity 101 through the air inlet 2, meanwhile, the circuit of the electromagnet 18 is connected, and magnetic force is generated at the end part of the wind turbine, so that the sliding sleeve 17 is attracted and slides for a small distance along the blades 7 in an initial state, wind entering the wind cavity 101 can be gathered towards the middle part of the wind cavity 101 through the flow guiding limit of the conical head 16, then high-pressure wind is thrown out to the periphery through the middle part of the impeller under the further limit of the boss in the middle part of the hub 5, and the wind which is thrown out through the blades 7 flows along the inner cavity of the wind cavity 101, and finally is blown out along the air outlet 3 and finally flows to the air conditioner air outlet of the automobile;

meanwhile, when the air blowing effect of the air conditioner is increased, the air quantity entering the air cavity 101 is increased, the wind force is increased, the pressure head 20 is pressed against to shrink towards the pressure groove 501, then the sliding vane ring 24 is driven to slide along the resistor strip 23, the resistance in the adjusting circuit is reduced, and then the current in the electromagnet 18 is increased, so that the electromagnet 18 attracts the sliding sleeve 17 to slide to a position closer to two ends along the blade 7, the high-power air outlet of the blade 7 is facilitated, and even and effective air blowing of the blade 7 can be ensured in working, and the service life is prolonged.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a blower structure for automobile air conditioning system, includes casing (1), its characterized in that: the novel wind turbine is characterized in that a wind cavity (101) is formed in the shell (1), an air inlet (2) communicated with the wind cavity (101) is formed in one side of the shell (1), an air outlet (3) communicated with the wind cavity (101) is formed in the outer ring of the shell (1), a mounting disc (4) is fixedly mounted on the other side of the shell (1), a motor (15) is fixedly mounted on the outer side of the mounting disc (4), a hub (5) is fixedly connected to the output end of the motor (15), blades (7) are uniformly and annularly mounted at the outer ring position of the top of the hub (5), a wheel cover (6) is fixedly mounted at the top of the blades (7), and the hub (5), the wheel cover (6) and the blades (7) form an impeller structure together and an air guide device is arranged inside the impeller structure to achieve a flow guide effect.

2. A blower structure for an automotive air conditioning system according to claim 1, characterized in that: the wind guiding device comprises a groove block (8), the groove block (8) is annularly and evenly installed at the top of a hub (5) and is located at the inner ring of a blade (7), annular grooves are formed between adjacent sides of the groove block (8), a rotating wheel rod (9) is movably installed in the middle of each annular groove adjacent to the groove block (8), a vertical rod (10) is fixedly installed in the middle of the top surface of the hub (5), a sliding ring (11) is movably sleeved on the outer ring of the vertical rod (10), a first reset spring (12) is movably sleeved on the outer ring of the sliding ring (11), a sliding groove (1001) is formed in the inner portion of the vertical rod (10), a Hall element (13) is movably sleeved on the inner portion of the sliding groove (1001), and a magnetic ring (14) is fixedly installed in the middle of the sliding ring (11).

3. A blower structure for an automotive air conditioning system according to claim 2, characterized in that: the Hall element (13) slides up and down in the chute (1001) under the action of the magnetic force of the magnetic ring (14), the inner wall of the chute (1001) is provided with a resistor which is electrically contacted with the Hall element (13) and is communicated with the control system, the control system controls the resistance when the rotating wheel rod (9) rotates, and the rotating resistance when the rotating wheel rod (9) is controlled by the system to be minimum when the Hall element (13) slides to the end closest to the hub (5).

4. A blower structure for an automotive air conditioning system according to claim 1, characterized in that: the wind guiding device comprises a conical head (16), the conical head (16) is fixedly arranged on the top wall of a wind cavity (101) and is just located at the bottom of an air inlet (2), two sliding sleeves (17) are sleeved on the outer ring of a blade (7) in a sliding mode, an electromagnet (18) is uniformly and annularly arranged at the end part of the blade (7) inside a hub (5) and a wheel cover (6), a connecting disc (19) is fixedly arranged at the output end of a motor (15), a screw (21) is sleeved on the connecting disc (19) and the bottom of the hub (5) in a uniform threaded mode, and the middle of the hub (5) is protruding in a circular truncated cone shape, and the protruding height and the inclined plane angle are identical to those of the conical head (16).

5. A blower structure for an automotive air conditioning system according to claim 4, characterized in that: pressure groove (501) has been seted up to the middle part top surface of wheel hub (5), pressure head (20) have been cup jointed to pressure groove (501) inside activity, fixedly connected with second reset spring (22) between the bottom of pressure head (20) and pressure groove (501) diapire, the inner wall fixed mounting of pressure groove (501) has resistance strip (23), the outer lane fixed mounting of pressure head (20) have slip sheet ring (24) with resistance strip (23) sliding contact.

6. A blower structure for an automotive air conditioning system according to claim 4, characterized in that: the magnetic attraction is arranged between the two sliding sleeves (17) on the blade (7), the electromagnet (18) in the hub (5) and the wheel cover (6) respectively applies the magnetic attraction to the two corresponding sliding sleeves (17) after being electrified, and the magnetic attraction of the electromagnet (18) to the sliding sleeves (17) is larger than the magnetic attraction between the two sliding sleeves (17).

7. A blower structure for an automotive air conditioning system according to claim 5, characterized in that: the two resistance strips (23) are connected in series with the sliding vane ring (24), a circuit formed by the resistance strips (23) and the sliding vane ring (24) is connected to a control system, the current passing through the electromagnets (18) is controlled, and the more the pressure head (20) contracts towards the inside of the pressure groove (501), the larger the current passing through the electromagnets (18) is.