CN211000914U

CN211000914U - Active air inlet grille device for automobile

Info

Publication number: CN211000914U
Application number: CN201920702331.8U
Authority: CN
Inventors: 王羿
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-07-14
Anticipated expiration: 2029-05-16

Abstract

The utility model provides a car initiative air-inlet grille device, include: the air inlet grille unit comprises grille blades and a grille framework used for installing the grille blades, and the electromagnet driving unit pushes the grille blades to move in an opening and closing mode through a control grille blade connecting rod. The utility model has simple structure, convenient component disassembly, high operation reliability and low maintenance cost; the control difficulty is low, and the safety is high in severe environment; the degree of integration of parts is high, and space utilization is high.

Description

Active air inlet grille device for automobile

Technical Field

The utility model relates to an automobile parts device field especially relates to an automobile initiative air-inlet grille device.

Background

The function of an automotive air intake grill is to ensure that debris is prevented from entering while air enters the engine compartment to cool the radiator, condenser and engine associated components. The active air inlet grille realizes the adjustment and the opening and closing of the angle of the air inlet grille blade through the motor and the motor speed reducing mechanism to realize the control of the air inlet amount, thereby realizing the improvement of the heat efficiency of the vehicle and the reduction of the wind resistance during the walking. The active air inlet grille system applied at present adopts a motor acceleration and deceleration gear set as driving force output, and simultaneously adopts a Hall sensor to monitor the rotating angle of a blade and feed back the rotating angle to a motor action control circuit so as to control the rotating number of turns of the motor. The active air inlet grille device has the defects of complex structure and high control difficulty.

SUMMERY OF THE UTILITY MODEL

The utility model provides a car initiative air-inlet grille device to solve the problem that initiative air-inlet grille structure is complicated, the control degree of difficulty is high.

The utility model provides a car initiative air-inlet grille device, include: the air inlet grille unit comprises an electromagnet driving unit, an air inlet grille unit, a driving connecting rod and an electronic control unit; the air inlet grille unit comprises grille blades and a grille frame for mounting the grille blades; the electromagnet driving unit pushes the grating blades to open and close by controlling the grating blade connecting rods.

Preferably, the grating blades are one or more, concentric rotating shafts are arranged on two sides of each grating and rotatably connected to the grating frame, a connecting rod end rotating shaft is arranged at the bottom of one side of each grating blade and connected with one end of a driving connecting rod; the electromagnet driving unit is connected with one end of the driving connecting rod and controls the rotating shaft at the end of the connecting rod on the grid blade to rotate through the driving connecting rod.

Preferably, the grating blades are one or more, concentric rotating shafts are arranged on two sides of each grating and rotatably connected to the grating frame, a connecting rod end rotating shaft is arranged at the bottom of one side of each grating blade and connected with one end of a driving connecting rod; the electromagnet driving unit controls the rotating shaft at the connecting rod end of the specific grid blade to rotate, and drives other driven blades to run cooperatively through the driving connecting rod.

Preferably, the electromagnet driving unit is assembled with the grill frame by a connecting means.

Preferably, the electromagnet driving unit comprises a push rod type self-holding electromagnet, and a push rod of the electromagnet controls the driving connecting rod to move through a slide block.

Preferably, the electromagnet drive unit comprises a rotary self-holding electromagnet whose rotating end controls the movement of a concentric rotating shaft on the grid blades.

Preferably, the electromagnet driving unit comprises an iron core electromagnet, and the magnetic suction end of the electromagnet controls the concentric rotating shaft on the grating blade to move.

Preferably, the electronic control unit reads parameters such as water temperature, oil temperature, air conditioner outlet pressure and fan opening state through a CAN bus, and controls the electromagnetic drive unit to work under a critical condition.

Preferably, the electronic control unit is assembled with the grill frame by a connecting means.

Preferably, the number of the grid blades is 1 to 10.

Compared with the prior art, the utility model provides a car initiative air-inlet grille device has following advantage: 1, simple structure, convenient component disassembly, high operation reliability and low maintenance cost; 2, the control difficulty is low, and the safety is high in severe environment; 3, the degree of integration of the components is high, and the space utilization rate is high.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:

FIG. 1 is a front view of a grille blade in one embodiment of the present invention;

fig. 2 is a front view of an active grille shutter device of an automobile according to a first embodiment of the present invention;

fig. 3 is a perspective view of an active grille shutter device of an automobile according to a first embodiment of the present invention;

fig. 4 is a schematic structural diagram of a control method of a grille blade according to a first embodiment of the present invention;

fig. 5 is a schematic structural view of an active grille shutter device of an automobile according to a second embodiment of the present invention;

fig. 6 is a perspective view of an active grille shutter device for an automobile according to a second embodiment of the present invention;

fig. 7 is a schematic structural view of a grille blade control method according to a second embodiment of the present invention;

fig. 8 is a schematic structural view of an active grille shutter device of an automobile according to a third embodiment of the present invention;

fig. 9 is a perspective view of the active grille shutter device of the third embodiment of the present invention.

The same or similar reference numbers in the drawings identify the same or similar elements.

Detailed Description

The present invention is described in further detail below with reference to figures 1-9.

Example one

Fig. 1 is a schematic structural view of a middle grille blade of the present invention, fig. 2-3 are schematic structural views of a first active grille shutter device of an automobile, as shown in fig. 1-3, an embodiment of the present invention includes an electromagnet driving unit 1, and a main body of the electromagnet driving unit 1 is a push-rod type self-holding electromagnet 11. The present embodiment further includes an intake grill unit 2 in which a plurality of rotatable grill blades 21 are assembled to a grill frame 22, wherein concentric rotary shafts 211 are provided on both sides of the grill blades 21, and the concentric rotary shafts 211 are rotatably coupled to the grill frame 22. The push rod type self-holding electromagnet 11 is assembled on the grid frame 22 through the pin body device 12, the connecting rod end rotating shaft 212 is arranged at the bottom of one side of the grid blade 21, the push rod type self-holding electromagnet 11 is connected with one end of the driving connecting rod 3 through the sliding block structure 13, and the other end of the driving connecting rod 3 is assembled with the connecting rod end rotating shaft 212. The electronic control unit 4 is connected with the push rod type self-holding electromagnet 11 through a driving power line. It can be abstractly considered that, as shown in fig. 4, a set of crank slider mechanisms is formed by the combination of the grid blades 21, the grid frame 22, the drive link 3 and the push rod portion of the push rod type self-holding electromagnet 11.

Step a: when the cold car starts, electronic control unit 4 reads parameters such as water temperature, oil temperature, air conditioner outlet pressure and fan open state through the CAN bus, when the grid that accords with the settlement closes the condition: the electronic control unit 4 outputs a forward current to the push rod type self-holding electromagnet 11 to enable the push rod type self-holding electromagnet 11 to be electrified in the forward direction, the push rod type self-holding electromagnet 11 pulls the driving connecting rod 3 inwards to move downwards, the connecting rod end rotating shaft 212 on the grid blade 21 moves downwards under the pulling action of the driving connecting rod 3, and therefore the grid blade 21 rotates around the concentric rotating shaft 211 in the forward direction, and the grid blade 21 is in the closed position. Thereafter, the electromagnet drive unit 1 is de-energized, and the iron core of the push-rod type self-holding electromagnet 11 is held in the closed position by the magnetic force of the permanent magnet, while the grid is held in the closed state.

Step b: when the automobile oil-water temperature reaches the set temperature, the electronic control unit 4 reads parameters such as water temperature, oil temperature, air conditioner outlet pressure and fan opening state through the CAN bus, and when the set grille opening condition is met: the electronic control unit 4 outputs a reverse current to the push rod type self-holding electromagnet 11 to reversely electrify the push rod type self-holding electromagnet 11, the push rod type self-holding electromagnet 11 pushes the driving connecting rod 3 outwards to move upwards, the connecting rod end rotating shaft 212 on the grid blade 21 moves upwards under the pushing action of the driving connecting rod 3, so that the grid blade 21 rotates around the concentric rotating shaft 211 reversely, and the grid blade 21 is in an opening position. Thereafter, the magnet driving unit 1 is powered off, and the plunger type self-holding electromagnet 11 iron core and the grid are simultaneously kept in the open state.

And then, referring to temperature information of engine oil or cooling liquid and the like monitored by a vehicle sensor, when the temperature information is lower than a set threshold value, the system needs to reduce the air inlet quantity, and at the same time, in the step a, the grid system is closed by the positive energization of the push rod type self-holding electromagnet 11. And conversely, when the threshold value is higher, the reverse power-on control grid system is started as step b.

When the vehicle speed exceeds a certain speed, a larger opening of the air intake port does not increase the wind throughput of a heat exchange device such as a condenser radiator at the front end of the engine. At this time, if the cooling capacity can be ensured by the excessive air inlet design of the front structure when the air inlet grille is closed, the air inlet grille can be closed, so that lower wind resistance or reduction of oil consumption and wind noise can be realized.

Based on the above process, the control logic of the active grille driven by the electromagnet is preferably as follows:

when the vehicle circuit is connected, the system receives (including but not limited to) temperature, pressure and fan circuit switching information fed back by an engine coolant sensor, an oil temperature sensor, an air conditioner outlet pressure (exhaust pressure) sensor and a cooling fan controller through a CAN bus or an OBD port. The electromagnet coils are controlled to be energized in the forward direction or the reverse direction according to a control matrix (not actually calibrated, and only used for example).

Example two

Fig. 1 is a schematic structural view of a middle grille vane of the present invention, fig. 5-6 a schematic structural view of an active grille shutter device for a vehicle according to embodiment two of the present invention, as shown in fig. 5-6, an embodiment of the present invention includes an electromagnet driving unit 1, and a main body of the electromagnet driving unit 1 is a self-holding rotary electromagnet 14. The present embodiment further includes an intake grill unit 2 in which a plurality of rotatable grill blades 21 are assembled to a grill frame 22, wherein concentric rotary shafts 211 are provided on both sides of the grill blades 21, and the concentric rotary shafts 211 are rotatably coupled to the grill frame 22. The self-sustaining rotary electromagnet 14 is assembled on the grill frame 22 by the pin device 12, the link end rotary shaft 212 is arranged at the bottom of one side of the grill blade 21, the link end rotary shaft 212 is assembled on the driving link 3, and the rotary shaft of the self-sustaining rotary electromagnet 14 is connected with the concentric rotary shaft 211 of the specific grill blade 21 passing through the mounting hole of the grill frame 22 by the shaft connector 15. It can be abstractly considered that a set of four-bar linkage is formed by the combination of the grid blades 21, the grid frame 22, the drive link 3 and the push rod portion of the self-holding rotary electromagnet 14 as shown in fig. 7.

Step a: when the cold car starts, electronic control unit 4 reads parameters such as water temperature, oil temperature, air conditioner outlet pressure and fan open state through the CAN bus, when the grid that accords with the settlement closes the condition: the electronic control unit 4 outputs a forward current to the self-holding rotary electromagnet 14 to enable the self-holding rotary electromagnet 14 to be energized in a forward direction, the self-holding rotary electromagnet 14 rotates in the forward direction to drive the grating blade concentric shaft 211 connected with the self-holding rotary electromagnet to rotate in the forward direction, so that the grating blades 21 rotate to the grating closing position, and meanwhile when a specific grating blade rotates in the forward direction around the concentric rotary shaft 211, the grating blade connecting rod end rotary shaft 212 moves downwards to drive the driving connecting rod 3 to move downwards. Under the drive of the driving connecting rod 3, the rotating shafts at the connecting rod ends of other driven grille blades move downwards along with the driving connecting rod 3, so that the driven blades rotate around the same row in the positive direction to the closing position around the concentric rotating shafts of the driven blades, and the grille assembly is closed. Thereafter, the electromagnet driving unit 1 is powered off, and the iron core of the self-holding rotary electromagnet 14 is held in the closed position by the magnetic force of the permanent magnet, while the grid is held in the closed state.

Step b: when the automobile oil-water temperature reaches the set temperature, the electronic control unit 4 reads parameters such as water temperature, oil temperature, air conditioner outlet pressure and fan opening state through the CAN bus, and when the set grille opening condition is met: the electronic control unit 4 outputs a reverse current to the self-sustaining rotary electromagnet 14 to reversely energize the self-sustaining rotary electromagnet 14, the rotation shaft of the self-sustaining rotary electromagnet 14 reversely rotates to drive the concentric rotation shaft 211 of the connected grille blade to reversely rotate, so that the specific grille blade rotates to the grille opening position, and when the specific grille blade reversely rotates around the concentric rotation shaft 211, the connecting rod end rotation shaft 212 on the grille blade moves upward to drive the driving connecting rod 3 to move upward. Under the drive of the driving connecting rod, the rotating shafts at the ends of the linkage connecting rods of other driven grille blades move upwards along with the driving connecting rod 3, so that the driven grille blades rotate to the opening position around the same row in the forward direction of the concentric rotating shaft 211, and the grille assembly is opened. After that, the electromagnet is powered off, the iron core is kept at the power-off position under the action of the magnetic force of the permanent magnet, and the grille is kept in an open state.

Thereafter, referring to the temperature information of the engine oil or the coolant monitored by the vehicle sensor, when the temperature information is lower than the set threshold value, the system needs to reduce the air intake, and at the same time, the self-holding rotary electromagnet 14 is electrified in the positive direction to close the grille system in the same step a. And conversely, when the threshold value is higher, the reverse power-on control grid system is started as step b.

EXAMPLE III

Fig. 1 is a schematic structural view of a middle grille blade of the present invention, fig. 8-9 are schematic structural views of a third active grille shutter device for an automobile, as shown in fig. 8-9, an embodiment of the present invention includes an electromagnet driving unit 1, and a main body of the electromagnet driving unit 1 is a C-shaped iron core coil electromagnet 16. The present embodiment further includes an intake grill unit 2 in which a plurality of rotatable grill blades 21 are assembled to a grill frame 22, wherein concentric rotary shafts 211 are provided on both sides of the grill blades 21, and the concentric rotary shafts 211 are rotatably coupled to the grill frame 22. The C-shaped iron core coil electromagnet 16 is assembled on the grid frame 22 through the pin body device 12, the connecting rod end rotating shaft 212 is arranged at the bottom of one side of the grid blade 21, the connecting rod end rotating shaft 212 is assembled on the driving connecting rod 3, one end of the strip-shaped permanent magnet 5 is embedded at the end part of the concentric rotating shaft 211 of the grid blade, and the other end of the strip-shaped permanent magnet is positioned in a gap of the C-shaped iron core coil electromagnet 16.

Step a: when the cold car starts, electronic control unit 4 reads parameters such as water temperature, oil temperature, air conditioner outlet pressure and fan open state through the CAN bus, when the grid that accords with the settlement closes the condition: the electronic control unit 4 outputs a forward current to the push rod type self-holding rotary electromagnet 14 to enable the push rod type self-holding rotary electromagnet 14 to be electrified in a forward direction, upward push-pull force is generated on the strip-shaped permanent magnet 5, the electromagnet end of the strip-shaped permanent magnet 5 is driven to move upwards until the strip-shaped permanent magnet 5 is attracted with the upper end of the core of the C-shaped iron core coil electromagnet 16, and therefore the specific grid blade rotates around the axial direction of the concentric shaft rotating shaft 211 in an anticlockwise direction until the specific grid blade is closed. Meanwhile, under the driving of the driving connecting rod 3, other grid blades synchronously rotate with the blades of the strip-shaped permanent magnet 5 through the transmission of the driving connecting rod. After that, the electromagnet loses magnetism after the coil is powered off, and the magnetic force of the strip permanent magnet 8 is utilized to keep the attraction state with the upper end of the electromagnet core, so that the grid blade is kept at the closing position.

Step b: when the automobile oil-water temperature reaches the set temperature, the electronic control unit 4 reads parameters such as water temperature, oil temperature, air conditioner outlet pressure and fan opening state through the CAN bus, and when the set grille opening condition is met: the electronic control unit 4 outputs a reverse current to the coil of the C-shaped iron core coil electromagnet 16 to reversely energize the coil, and generates a downward push-pull force on the strip-shaped permanent magnet 5 to drive the electromagnet end of the strip-shaped permanent magnet 5 to move downward until the strip-shaped permanent magnet 5 is attracted with the lower end of the electromagnet iron core, so that the specific grid blade 21 rotates clockwise around the axial direction of the concentric rotating shaft 211 until the specific grid blade reaches an open position. Meanwhile, under the driving of the driving connecting rod 3, other grid blades are driven by the driving connecting rod to synchronously rotate with the blades connected with the strip-shaped permanent magnets 5. After that, the electromagnet loses magnetism after the coil is powered off, and the magnetic force of the strip permanent magnet 5 is utilized to keep the attraction state with the lower end of the iron core of the electromagnet, so that the grid blade is kept at the opening position.

And then, referring to temperature information of engine oil or cooling liquid and the like monitored by a vehicle sensor, when the temperature information is lower than a set threshold value, the system needs to reduce the air intake, and at the same time, the C-shaped iron core coil electromagnet 16 is electrified in the positive direction to close the grille system in the same step a. And conversely, when the threshold value is higher, the reverse power-on control grid system is started as step b.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. An active grille shutter arrangement for a motor vehicle, comprising: the air inlet grille unit comprises an electromagnet driving unit, an air inlet grille unit, a driving connecting rod and an electronic control unit;

the air inlet grille unit comprises grille blades and a grille frame for mounting the grille blades;

the electromagnet driving unit pushes the grating blades to open and close by controlling the grating blade connecting rods.

2. The active grille shutter arrangement of claim 1 wherein the grille vanes are one or more pieces, concentric shafts are disposed on both sides of each grille, the concentric shafts are rotatably connected to the grille frame, a link end shaft is disposed at the bottom of one side of each grille vane, and the link end shaft is connected to one end of the drive link;

the electromagnet driving unit is connected with one end of the driving connecting rod and controls the rotating shaft at the end of the connecting rod on the grid blade to rotate through the driving connecting rod.

3. The active grille shutter arrangement of claim 1 wherein the grille vanes are one or more pieces, concentric shafts are disposed on both sides of each grille, the concentric shafts are rotatably connected to the grille frame, a link end shaft is disposed at the bottom of one side of each grille vane, and the link end shaft is connected to one end of the drive link;

the electromagnet driving unit controls the rotating shaft at the connecting rod end of the specific grid blade to rotate, and drives other driven blades to run cooperatively through the driving connecting rod.

4. The active grille shutter arrangement of claim 2 or 3 wherein the electromagnet drive unit is mounted to the grille frame by a connection means.

5. The active grille shutter arrangement of claim 2 wherein the electromagnet drive unit includes a push rod type self-retaining electromagnet whose push rod controls the drive link movement through a slider.

6. The active grille shutter arrangement of claim 3 wherein the electromagnet drive unit includes a rotary self-retaining electromagnet having a rotating end that controls movement of concentric shafts on the grille vanes.

7. The active grille shutter arrangement of claim 3 wherein the electromagnet drive unit includes an iron core electromagnet having a magnetically attracted end that controls movement of concentric rotatable shafts on the grille vanes.

8. The active grille shutter arrangement of claim 1 wherein the electronic control unit reads parameters such as water temperature, oil temperature, air conditioner outlet pressure and fan opening status via the CAN bus to control the operation of the electromagnetic drive unit under critical conditions.

9. The active grille shutter arrangement of claim 8 wherein the electronic control unit is mounted to the grille frame by a connection means.

10. The active grille shutter arrangement of claim 1 wherein the grille vanes are 1-10 pieces.