CN211000914U - Active air inlet grille device for automobile - Google Patents

Abstract

The utility model provides an active air intake grille device for an automobile, which comprises: an electromagnet drive unit, an air intake grille unit, a drive connecting rod and an electronic control unit, and the air intake grille unit includes grille blades and an installation grid The grid frame of the grid vane, the electromagnet drive unit pushes the grid vane to open and close by controlling the grid vane connecting rod. The utility model has the advantages of simple structure, convenient disassembly of components, high operational reliability, low maintenance cost, low control difficulty, high safety in harsh environments, high integration degree of components, and high space utilization rate.

Description

Car active air intake grille device

technical field

The utility model relates to the field of automobile component devices, in particular to an automobile active air intake grille device.

Background technique

The function of the car air intake grille is to ensure that the air enters the engine compartment to cool the radiator, condenser and engine related while avoiding the entry of sundries. Among them, the active air intake grille realizes the adjustment of the angle of the air intake grille blades and the opening and closing of the air intake grille through the motor and the motor deceleration mechanism to control the air intake, thereby improving the thermal efficiency of the vehicle and reducing the wind resistance when walking. The current active air intake grille system uses the motor acceleration and deceleration gear set as the driving force output, and uses the Hall sensor to monitor the blade rotation angle and feed it back to the motor action control circuit to control the number of rotations of the motor. Such an active air intake grille device has the defects of complex structure and high control difficulty.

Utility model content

The utility model provides an active air intake grille device for an automobile, so as to solve the problems of complex structure and high control difficulty of the active air intake grille.

The utility model provides an active air intake grille device for an automobile, which comprises: an electromagnet drive unit, an air intake grille unit, a driving connecting rod and an electronic control unit; the air intake grille unit includes grille blades and is used for installation The grille frame of the grille blade; the electromagnet drive unit pushes the grille blade to open and close by controlling the grille blade connecting rod.

Preferably, the grille blades are one or more pieces, and concentric rotating shafts are arranged on both sides of each grille, the concentric rotating shafts are rotatably connected to the grille frame, and the bottom of each grille blade is configured with A rod end rotating shaft, the connecting rod end rotating shaft is connected with one end of the driving link; the electromagnet driving unit is connected with one end of the driving link, and controls the rotation of the connecting rod end rotating shaft on the grille blade through the driving link.

. Preferably, the grille blades are one or more pieces, and concentric rotating shafts are arranged on both sides of each grille, the concentric rotating shafts are rotatably connected to the grille frame, and the bottom of each grille blade is arranged on one side The connecting rod end rotating shaft, the connecting rod end rotating shaft is connected with one end of the driving connecting rod; the electromagnet driving unit controls the rotation of the connecting rod end rotating shaft of a specific grille blade, and drives other driven blades to cooperate with each other through the driving connecting rod .

Preferably, the electromagnet driving unit is assembled on the grille frame through a connecting device.

Preferably, the electromagnet driving unit includes a push rod type self-sustaining electromagnet, and the push rod of the electromagnet controls the movement of the drive link through the slider.

Preferably, the electromagnet drive unit comprises a rotary self-sustaining electromagnet, the rotating end of which controls the movement of the concentric rotating shafts on the grille blades.

Preferably, the electromagnet driving unit includes an iron-core electromagnet, and the magnetic end of the electromagnet controls the movement of the concentric rotating shaft on the grille blades.

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

Preferably, the electronic control unit is mounted on the grille frame by connecting means.

Preferably, the number of said grille blades is 1-10 pieces.

Compared with the prior art, the vehicle active air intake grille device provided by the utility model has the following advantages: 1, the structure is simple, the components are easily disassembled, the operation reliability is high, and the maintenance cost is low; High safety in the environment; 3. High integration of components and high space utilization.

Description of drawings

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

1 is a front view of a grille blade in an embodiment of the present utility model;

Fig. 2 is the front view of the vehicle active air intake grill device according to the first embodiment of the present utility model;

3 is a perspective view of the vehicle active air intake grill device according to the first embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a grid blade control method according to Embodiment 1 of the present invention;

5 is a schematic structural diagram of an automotive active air intake grill device according to Embodiment 2 of the present utility model;

6 is a perspective view of an active air intake grille device for an automobile according to Embodiment 2 of the present utility model;

7 is a schematic structural diagram of a grid blade control method according to Embodiment 2 of the present utility model;

FIG. 8 is a schematic structural diagram of the vehicle active air intake grille device according to the third embodiment of the present utility model;

FIG. 9 is a perspective view of the vehicle active air intake grille device according to the third embodiment of the present invention.

The same or similar reference numbers in the drawings represent the same or similar parts.

Detailed ways

The present utility model will be described in further detail below in conjunction with accompanying drawings 1-9.

Example 1

Fig. 1 is a structural schematic diagram of a grille blade in the utility model, and Fig. 2-3 is a structural schematic diagram of an active air intake grille device of an automobile according to the first embodiment of the utility model. As shown in Fig. 1-3, the utility model The embodiment includes an electromagnet drive unit 1 , and the main body of the electromagnet drive unit 1 is a push rod type self-sustaining electromagnet 11 . The present embodiment also includes an air intake grill unit 2, wherein a plurality of rotatable grill blades 21 are assembled on the grill frame 22, wherein concentric rotating shafts 211 are arranged on both sides of the grill blades 21, and the concentric rotating shafts 211 can be It is rotatably connected to the grille frame 22 . The push-rod self-retaining electromagnet 11 is assembled on the grille frame 22 through the pin device 12 , the connecting rod end rotating shaft 212 is arranged at the bottom of one side of the grille blade 21 , and the push-rod self-retaining electromagnet 11 is connected with the slider structure 13 . One end of the driving link 3 is connected, and the other end of the driving link 3 is assembled with the connecting rod end rotating shaft 212 . The electronic control unit 4 is connected with the push rod type self-sustaining electromagnet 11 through a driving power cord. It can be considered abstractly, as shown in FIG. 4 , a set of crank-slider mechanism is constituted by the combination of the grille blade 21 , the grille frame 22 , the driving link 3 and the pusher part of the pusher self-retaining electromagnet 11 .

Step a: When the cold car starts, 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. When the set grille closing condition is met: the electronic control unit 4 outputs a positive output The current is sent to the push rod type self-holding electromagnet 11 to make it energized in the forward direction, the push rod type self-holding electromagnet 11 pulls the driving rod 3 inward to move downward, and the rod end rotating shaft 212 on the grille blade 21 is in the driving connection. The pulling action of the rod 3 moves downward, so that the grille vane 21 rotates forwardly around the concentric rotation axis 211, and the grille vane 21 reaches the closed position. After that, the electromagnet drive unit 1 is powered off, the iron core of the push rod-type self-sustaining electromagnet 11 is kept in the closed position under the magnetic force of the permanent magnet, and the grille is kept in the closed state at the same time.

Step b: When the oil and water temperature of the car 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. When it meets the set grille opening conditions: electronic control The unit 4 outputs the reverse current to the push rod type self-retaining electromagnet 11 to make it energized in the reverse direction. The push rod type self-retaining electromagnet 11 pushes the driving rod 3 to move upward, and the rod end on the grille blade 21 rotates the shaft. 212 moves upward under the pushing action of the driving link 3, so that the grille vane 21 rotates in the opposite direction around the concentric rotation axis 211, and the grille vane 21 reaches the open position. After that, the magnet drive unit 1 is powered off, the push rod type self-retains the iron core of the electromagnet 11, and the grille keeps the open state at the same time.

After that, refer to the temperature information such as oil or coolant monitored by the vehicle's own sensor. When it is lower than the set threshold, it indicates that the system needs to reduce the air intake. At this time, the same as step a, the push rod self-maintaining electromagnet 11 is energized in the forward direction. Close the grill system. On the contrary, when the threshold value is higher than the threshold value, the reverse energization controls the grid system to open, as in step b.

When the vehicle speed exceeds a certain speed, the larger air intake opening cannot improve the air throughput of heat exchange equipment such as the condenser radiator at the front end of the engine. At this time, if the air intake grille is closed, the cooling capacity can still be ensured by the excess air intake design of the front structure, and the air intake grille can be closed to achieve lower wind resistance or reduce fuel consumption and wind noise.

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

When the vehicle circuit is turned on, the system receives (including but not limited to) the engine coolant sensor, oil temperature sensor, air conditioning outlet pressure (exhaust pressure) sensor and feedback temperature, pressure and fan feedback from the cooling fan controller through the CAN bus or OBD port Circuit opening and closing information, etc. According to the control matrix (not actual calibration, for example only. The actual calibration matrix includes but is not limited to the parameters listed in the example) as follows, control the electromagnet coil to energize forward or reverse to realize the closing and opening of the grid.

Embodiment 2

1 is a schematic structural diagram of a grille blade in the utility model, and FIGS. 5-6 are schematic structural diagrams of an automotive active air intake grille device according to the second embodiment of the present utility model. As shown in FIGS. 5-6, the utility model is implemented An example includes an electromagnet drive unit 1 , and the main body of the electromagnet drive unit 1 is a self-sustaining rotary electromagnet 14 . The present embodiment also includes an air intake grill unit 2, wherein a plurality of rotatable grill blades 21 are assembled on the grill frame 22, wherein concentric rotating shafts 211 are arranged on both sides of the grill blades 21, and the concentric rotating shafts 211 can be It is rotatably connected to the grille frame 22 . The self-sustaining rotary electromagnet 14 is assembled on the grille frame 22 through the pin device 12 , the connecting rod end rotating shaft 212 is arranged at the bottom of one side of the grille blade 21 , and the connecting rod end rotating shaft 212 is assembled on the driving connecting rod 3 . The rotating shaft on the holding rotary electromagnet 14 is connected with the concentric rotating shaft 211 of the specific grille blade 21 passing through the mounting hole of the grille frame 22 through the shaft connecting member 15 . It can be considered abstractly that, as shown in FIG. 7 , a set of four-bar linkage mechanism is formed by the combination of the grille blades 21 , the grille frame 22 , the driving link 3 and the push rod part of the self-sustaining rotary electromagnet 14 .

Step a: When the cold car starts, 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. When the set grille closing condition is met: the electronic control unit 4 outputs a positive output The current flows to the self-sustaining rotating electromagnet 14 to make it energized in the forward direction, and the self-sustaining rotating electromagnet 14 rotates in the forward direction to drive the concentric shaft 211 of the grille blade connected to it to rotate in the forward direction, so that the grille blade 21 rotates to the closing position of the grille At the same time, when the specific grill blade rotates in the positive direction around the concentric rotating shaft 211, the rotating shaft 212 of the connecting rod end of the grill blade moves downward to drive the driving link 3 to move downward. Driven by the driving link 3, the rotating shafts of the connecting rod ends of the other driven grille blades also move downward with the driving link 3, so that the driven blades can rotate in a positive direction around their concentric rotating shafts to the closed position. , thereby closing the grille assembly. After that, the electromagnet drive unit 1 is powered off, the iron core of the self-sustaining rotary electromagnet 14 is kept in the closed position under the magnetic force of the permanent magnet, and the grille is kept in the closed state at the same time.

Step b: When the oil and water temperature of the car 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. When it meets the set grille opening conditions: electronic control The unit 4 outputs a reverse current to the self-sustaining rotary electromagnet 14 to make it energized in the reverse direction, and the rotating shaft of the self-sustaining rotating electromagnet 14 rotates in the reverse direction to drive the concentric rotating shaft 211 of the grid blade connected to it to rotate in the reverse direction. When the specific grill blade rotates to the grill opening position, and when the specific grill blade rotates in the opposite direction around the concentric rotating shaft 211, the connecting rod end rotating shaft 212 on the grill blade moves upward to drive the driving link 3 to move upward. Driven by the drive link, the rotating shafts of the linkage end of the other driven grille blades move upward with the drive link 3, so that the driven grille blades can rotate in the forward direction around the concentric rotating shaft 211 to open. position, so as to realize the opening of the grille assembly. After that, the electromagnet is de-energized, the iron core is kept in the de-energized position under the magnetic force of the permanent magnet, and the grille remains open.

After that, referring to the temperature information such as oil or coolant monitored by the vehicle's own sensor, when it is lower than the set threshold, it indicates that the system needs to reduce the air intake. At this time, the same as step a, the self-sustaining rotary electromagnet 14 is energized in the forward direction to close the grid grid system. On the contrary, when the threshold value is higher than the threshold value, the reverse energization controls the grid system to open, as in step b.

When the vehicle speed exceeds a certain speed, the larger air intake opening cannot improve the air throughput of heat exchange equipment such as the condenser radiator at the front end of the engine. At this time, if the air intake grille is closed, the cooling capacity can still be ensured by the excess air intake design of the front structure, and the air intake grille can be closed to achieve lower wind resistance or reduce fuel consumption and wind noise.

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

When the vehicle circuit is turned on, the system receives (including but not limited to) the engine coolant sensor, oil temperature sensor, air conditioning outlet pressure (exhaust pressure) sensor and feedback temperature, pressure and fan feedback from the cooling fan controller through the CAN bus or OBD port Circuit opening and closing information, etc. According to the control matrix (not actual calibration, for example only. The actual calibration matrix includes but is not limited to the parameters listed in the example) as follows, control the electromagnet coil to energize forward or reverse to realize the closing and opening of the grid.

Embodiment 3

1 is a schematic structural diagram of a grille blade in the utility model, and FIGS. 8-9 are structural schematic diagrams of an automotive active air intake grille device according to Embodiment 3 of the utility model. As shown in FIGS. 8-9, the utility model The embodiment includes an electromagnet drive unit 1 , and the main body of the electromagnet drive unit 1 is a C-shaped iron core coil electromagnet 16 . The present embodiment also includes an air intake grill unit 2, wherein a plurality of rotatable grill blades 21 are assembled on the grill frame 22, wherein concentric rotating shafts 211 are arranged on both sides of the grill blades 21, and the concentric rotating shafts 211 can be It is rotatably connected to the grille frame 22 . The C-shaped iron core coil electromagnet 16 is assembled on the grille 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 grille blade 21, and 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 in the end of the concentric rotating shaft 211 of the grid blade, and the other end is in the notch of the C-shaped iron core coil electromagnet 16 .

Step a: When the cold car starts, 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. When the set grille closing condition is met: the electronic control unit 4 outputs a positive output The current flows to the push rod-type self-sustaining rotating electromagnet 14 to make it energized in the forward direction, which generates an upward push-pull force on the strip-shaped permanent magnet 5, and drives the electromagnet end of the strip-shaped permanent magnet 5 to move upward until the strip-shaped permanent magnet 5 and C The upper end of the core of the iron-core coil electromagnet 16 is sucked, so that the specific grille blade rotates counterclockwise around the axial direction of the concentric axis of rotation shaft 211 until the closed position. At the same time, driven by the driving link 3, the other grille blades rotate synchronously with the blades of the bar-shaped permanent magnet 5 through the transmission of the driving link. After that, the electromagnet loses its magnetism after the coil is powered off, and the magnetic force of the bar-shaped permanent magnet 8 is used to maintain the suction state with the upper end of the electromagnet core, thereby keeping the grille blades in the closed position.

Step b: When the oil and water temperature of the car 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. When it meets the set grille opening conditions: electronic control The unit 4 outputs a reverse current to the coil of the C-shaped iron core coil electromagnet 16 to make it energized in the reverse direction, which generates a downward push-pull force on the strip-shaped permanent magnet 5, and drives the electromagnet end of the strip-shaped permanent magnet 5 to move downward until The strip-shaped permanent magnet 5 is attracted to the lower end of the electromagnet core, so that the specific grille blade 21 rotates clockwise around the axial direction of the concentric rotating shaft 211 until the open position. At the same time, driven by the driving link 3, the other grille blades are rotated synchronously with the blades connected to the strip-shaped permanent magnet 5 through the transmission of the driving link. After that, the electromagnet loses its magnetism after the coil is powered off, and the magnetic force of the bar-shaped permanent magnet 5 is used to maintain the attraction state with the lower end of the iron core of the electromagnet, thereby keeping the grille blades in the open position.

After that, referring to the temperature information such as oil or coolant monitored by the vehicle's own sensor, when it is lower than the set threshold, it indicates that the system needs to reduce the air intake. At this time, the same as step a, the C-shaped iron core coil electromagnet 16 is energized in the forward direction and turned off grille system. On the contrary, when the threshold value is higher than the threshold value, the reverse energization controls the grid system to open, as in step b.

When the vehicle speed exceeds a certain speed, the larger air intake opening cannot improve the air throughput of heat exchange equipment such as the condenser radiator at the front end of the engine. At this time, if the air intake grille is closed, the cooling capacity can still be ensured by the excess air intake design of the front structure, and the air intake grille can be closed to achieve lower wind resistance or reduce fuel consumption and wind noise.

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

When the vehicle circuit is turned on, the system receives (including but not limited to) the engine coolant sensor, oil temperature sensor, air conditioning outlet pressure (exhaust pressure) sensor and feedback temperature, pressure and fan feedback from the cooling fan controller through the CAN bus or OBD port Circuit opening and closing information, etc. According to the control matrix (not actual calibration, for example only. The actual calibration matrix includes but is not limited to the parameters listed in the example) as follows, control the electromagnet coil to energize forward or reverse to realize the closing and opening of the grid.

Other embodiments of the invention will readily occur to those skilled in the art upon consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses or adaptations of the present invention that follow the general principles of the present invention and include common knowledge or common sense in the technical field not disclosed by the present disclosure technical means. The specification and examples are to be regarded as exemplary only, with the true scope and spirit of the invention being indicated by the following claims.

It should be understood that the present invention is not limited to the precise structures described above and shown in the accompanying 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 (10)

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.

Images