CN210005260U

CN210005260U - Adjustable automobile closing member closing speed testing device

Info

Publication number: CN210005260U
Application number: CN201921190053.9U
Authority: CN
Inventors: 饶楠; 陈新风
Original assignee: Shanghai Volvo Automobile Research And Development Co Ltd
Current assignee: Shanghai Volvo Automobile Research And Development Co Ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-01-31
Anticipated expiration: 2029-07-26

Abstract

testing device for closing speed of adjustable automobile closure member, which is characterized by comprising a sensing unit, a control unit and a connecting line connected between the sensing unit and the control unit, wherein the sensing unit comprises a sucker with a pump, a universal arm detachably connected with the sucker, and a sensor module supported by the universal arm, the sensor module comprises at least two sensors capable of sensing approach of an object, the connecting line comprises a signal line connected between the control unit and the sensors, and the position and the posture of the sensors are easy to adjust.

Description

Adjustable automobile closing member closing speed testing device

Technical Field

The present application relates to adjustable devices for measuring the closing speed of an automobile closure.

Background

The closing speed of automotive closures is aspects that affect user satisfaction, particularly the car and the trunk lid.

The current type of devices for testing the closing speed of automobile closures use the means of sweeping the edge of the closure or a dedicated trigger over two sensors, which are integrated with the calculation and display part , and the distance of the sensors from the installation surface cannot be adjusted, and errors can be introduced when the sensors are installed on an inclined surface because the axes of the two sensors are not perpendicular to the axis of movement of the closure.

SUMMERY OF THE UTILITY MODEL

It is an object of the present application to provide easily adjustable closure closing speed test devices for automobiles.

To this end, the application provides in aspects thereof a automobile closure closing speed testing device, which comprises a sensing unit, a control unit and a connecting line connected between the sensing unit and the control unit, wherein the sensing unit comprises a sucker with a pump, a universal arm detachably connected with the sucker, and a sensor module supported by the universal arm, the sensor module comprises at least two sensors capable of sensing the approach of an object, and the connecting line comprises a signal line connected between the control unit and the sensors.

According to , the gimbal arm includes a plurality of arm segments connected by joints, a beginning arm segment of the plurality of arm segments removably connected to the pumped suction cup, and an end arm segment carrying a sensor module.

According to possible embodiments, a starting arm segment of the plurality of arm segments is configured to be detachable from the pumped suction cup and attachable to a floor stand.

According to possible embodiments, each joint has a single degree of freedom, or at least joints have two or more degrees of freedom.

According to possible embodiments, the sum of the degrees of freedom of the joints is greater than 6.

According to possible embodiments, each joint is equipped with a locking mechanism, which is operated by a single knob.

According to , the sensor module includes a holder supported by the gimbal arm, the sensor being carried by the holder, and a level mounted on the holder.

According to possible embodiments, the holder includes a sensor slot into which the sensor is removably inserted.

According to possible embodiments, the connection line is a wireless link, the sensor module is equipped with a wireless transmission module, and the control unit is equipped with a wireless reception module.

According to possible implementation manners, the control unit comprises a microprocessor, a screen and an operation key, wherein the microprocessor is in communication connection with the sensor module through the signal line, the screen and the operation key are respectively and electrically connected with the microprocessor, and the power supply device comprises an external power supply input interface and/or a built-in battery, and the external power supply input interface and/or the built-in battery are/is connected with the microprocessor through a voltage conversion module and are/is connected with the sensor module through a second voltage conversion module.

According to , the microprocessor is electrically connected to the sensor module via a signal transmission interface, and the second voltage conversion module and the signal transmission interface employ an isolation circuit to electrically isolate the microprocessor from the sensor module.

According to possible embodiments, the operation keys include two groups of operation keys arranged on the left and right adjacent sides of the screen, and the two groups of operation keys have the same function.

According to possible embodiments, the screen is a touch screen and the operation keys are icon buttons in the touch screen.

According to , the microprocessor contains a statistical module configured to be able to determine the minimum closing speed of the vehicle closure.

According to possible embodiments, the sensor is a diffuse reflectance type laser sensor.

According to the application, the distance of the sensor relative to the mounting surface can be adjusted, and the closing speed can be measured when the sensor is separated from the locking point of the automobile closing member by different distances. The orientation of the sensor can also be adjusted, which can reduce measurement errors.

Drawings

The foregoing and other aspects of the present application will be more fully understood from the following detailed description, taken with reference to the accompanying drawings, in which:

figure 1 is a perspective view of an possible embodiments of a closure closing speed test device for a car according to the present application;

FIG. 2 is a block diagram of a control unit of the test apparatus;

fig. 3 is a flow chart of the operation of the test apparatus in use.

Detailed Description

The present application relates generally to adjustable test devices for measuring the closing velocity of automotive closures, including vehicle , engine compartment covers, trunk lids, and the like.

As shown in fig. 1, the test device according to possible embodiments comprises a sensing unit 1, a control unit 2, and a connection line 3 connected between the sensing unit 1 and the control unit 2.

The sensing unit 1 mainly includes: a suction cup with pump 11; a gimbal arm 12 supported by the suction cup 11; and a sensor module 13 supported by the gimbal arm 12.

The suction cup with pump 11 mainly includes: a suction cup body 111, the front side of which defines a suction surface, for being sucked on a vehicle body fixing part or a support on the ground; and a manual pump 112 provided at a backside of the suction cup body for operating a negative pressure generated in the suction cup body 111. Further, a mounting bracket 113 for mounting the gimbal arm 12 to the suction cup 11 is provided on the back side of the suction cup body.

The gimbal arm 12 includes a plurality of arm segments (121-124) connected in series, with adjacent arm segments preferably connected by joints. The starting arm segment 121 is connected to the suction cup 11 by means of the mounting bracket 113, and the axis of the starting arm segment 121 may substantially coincide with the central axis of the suction cup body 111. The starting arm segment 121 can also be disconnected from the mounting frame 113 and fixed directly to a support located on the ground. The end arm segment 124 carries the sensor module 13.

The joints of the gimbal arm 12 are arranged so that the end arm segment 124 has 6 degrees of freedom (3 rotational degrees of freedom +3 translational degrees of freedom), or the sum of the degrees of freedom of the joints may be greater than 6 to provide redundant degrees of freedom, making the end arm segment 124 more flexible.

Each joint may have a single degree of freedom, such as a rotational or translational degree of freedom, or or more joints may have two or more degrees of freedom, such as two or three rotational degrees of freedom with rotational axes perpendicular and intersecting each other, two or three translational degrees of freedom with translational directions perpendicular to each other, a combination of rotational and translational degrees of freedom.

According to possible embodiments, the locking mechanism of each joint of the gimbal arm 12 is operated by a single knob 125 as shown in FIG. 1. loosening the knob 125 releases all joints at the same time and the sensor module 13 can be adjusted in any position, direction, tightening the knob 125 locks all joints of the gimbal arm 12 at the same time and the sensor module 13 is fixed.

The sensor module 13 mainly includes: a holder 131 supported by the end arm segment 124; two sensors 132 carried by the fixed seat 131; and a level 133 mounted on the holder 131.

The two sensors 132 may be mounted to the holder 131. for example, the two sensors 132 may be removably inserted fully or partially into sensor slots in the holder 131 and spaced apart from each other the sensors 132 may sense the proximity of an object according to possible embodiments, the sensors 132 are diffuse reflective laser sensors.

Level 133 may be a digital level or a bubble (e.g., T-bubble) level. The level 133 may measure and display the angle of the mount 131 relative to horizontal. The measurement results of the level gauge 133 can be displayed numerically or visually by air bubbles.

The control unit 2 is used for sensor power supply, numerical calculation, result display, statistical update, etc., and includes a screen 21 and manipulation keys 22 on major surfaces thereof the manipulation keys 22 may include two symmetrical sets of manipulation keys 22 provided on the major surface of the control unit 2 adjacent to the left and right sides of the screen 21 so as to be operated from both sides of the control unit 2.

The control unit 2 is connected to the sensor module 13 via a connection line 3 (two are shown in fig. 1) for receiving a detection signal of the sensor module 13. For this purpose, the connection line 3 comprises a signal line which is connected between the control unit 2 and the sensor 132. Furthermore, the control unit 2 can also be used to supply the sensor module 13, in particular the sensor 132. For this purpose, the connection line 3 comprises a power supply line which is connected between the control unit 2 and the sensor 132. Furthermore, the control unit 2 may also use the power supply line to power a level 133 using a digital level.

An exemplary architecture of of the control unit 2 shown in fig. 1 is shown in fig. 2, wherein the control unit 2 includes an external power input interface 20, a sensor module interface 25 and a microprocessor 23, and a screen 21 and control keys 22 are connected to the microprocessor 23.

In fig. 2, the control unit 2 further includes a th voltage conversion module 24 for providing power to the microprocessor and a second voltage conversion module 26 for providing power to the sensor module 13 (not shown in fig. 2). optionally, the control unit 2 may further include a power management module 28 and an internal battery 29. the power management module 28 may use the internal battery 29 to provide power in the absence of an external power source and use an external power source to provide power in the presence of an external power source, optionally while charging the internal battery 29.

The voltage conversion module 24 is used for converting the voltage supplied by the power input interface 20 and/or the built-in battery 29 into a voltage suitable for the operation of the microprocessor 23.

The voltage conversion module 26 is used for converting the voltage supplied by the power input interface 20 and/or the built-in battery 29 into a voltage suitable for the operation of the sensor module 13. A signal transmission interface 27 is disposed between the microprocessor 23 and the sensor module interface 25, and the microprocessor 23 receives the detection signal of the sensor 132 through the signal transmission interface 27. Optionally, the isolation circuit 30 may be used for the voltage conversion module 26 and the signal transmission interface 27 to electrically isolate the sensor module 13 from the control unit 2, so as to prevent external interference inside the control unit 2.

In the operation of the test device shown in fig. 1, the operator first attaches the suction cup body 111 with the pump suction cup 11 to the mounting surface of a stationary part of the vehicle body or of a support on the ground by means of the manual pump 112, or attaches the gimbal arm directly to a support on the ground, then releases the locking mechanisms of the gimbal arm 12, adjusts the position of the sensor module 13 so that the two sensors 132 are in positions suitable for measuring the closing movement of the vehicle closure, for example close to the closing position of the vehicle closure, and the orientation of the two sensors 132 is such that the same edge parts of the vehicle closure sweep past the two sensors 132 in sequence during the closing movement to trigger the status signals of the two sensors 132 in sequence, the adjustment of the sensor module 13 can be completed by means of the level gauge 133, then locks the locking mechanisms, then the power is switched on to activate the control unit 2 and the two sensors 132, the vehicle closure is closed, the microprocessor 23 captures the signal time differences of the two sensors 132, for example the time differences of the start edges of the vehicle closure, the microprocessor 23 calculates the closing speed of the closure on the basis of the time differences of the two sensors 132, and indicates on the microprocessor 21 whether the maximum closing speed of the vehicle closure can be determined by means of the maximum closing speed of the vehicle closure of the microprocessor of the closure of the microprocessor, if the closure of the vehicle closure of the microprocessor, the closure of the microprocessor, if the closure of the.

The workflow of the previously described test setup is shown in FIG. 3, including the steps described below.

At step S1, power is turned on to connect the external power input interface 20 or enable the power management module 28, and operation begins.

Next, in step S2, the control unit 2 initializes.

Next, in step S3, the microprocessor 23 waits for detection signals from the two sensors 132. After step S3, the flow proceeds to step S4 or S5.

In step S4, the microprocessor 23 determines whether detection signals from the two sensors 132 are received; alternatively, at step S5, the power is turned off and the operation ends.

If the result of the determination in step S4 is no, i.e., no signals are from both sensors, the flow returns to step S3; if the result of the determination in step S4 is YES, the flow advances to step S6.

In step S6, the microprocessor 23 calculates the closing speed of the closure member of the vehicle this time and confirms the closed state of the closure member of the vehicle based on the operation of the manipulation key 22 by the operator.

Next, in step S7, the microprocessor 23 determines whether of the two limit data (i.e., the minimum closing speed at which the closure of the vehicle is completed and the maximum non-closing speed at which the closure of the vehicle is not completed) needs to be updated based on whether the closing speed exceeds of the two limit data, and if the determination result is no, the flow proceeds to step S9, and if the determination result is yes, the flow proceeds to step S8.

In step S8, the microprocessor 23 updates the limit data that needs to be updated.

Thereafter, in step S9, the screen 21 displays the closing speed of the closure member of the vehicle this time and the current two limit data.

It will be appreciated that various modifications of the features previously described may be made by those skilled in the art within the scope of the present application.

For example, in the above-described example, the manipulation keys 22 are disposed on the adjacent two sides of the screen 21 on the main surface of the control unit 2, however, in possible embodiments, the screen 21 may also adopt a touch screen, and the manipulation keys 22 are icon buttons in the touch screen.

Furthermore, in the previously described example, the control unit 2 supplies power to the sensor module 13, however, in the possible embodiments, the sensor module 13 may be provided with its own power supply, without the need for power from the control unit 2.

Furthermore, in the previously described example, two connection lines 3 are connected between the control unit 2 and the sensor module 13 (for two sensors 132, respectively), however, in the possible embodiments, a single connection line 3 can be provided between the control unit 2 and the sensor module 13.

Furthermore, in the previously described example, the connection line 3 is in the form of a cable, however, in possible embodiments, the connection line 3 may be in the form of a wireless link, in which case the sensor module 13 is equipped with a wireless transmitting module and the control unit 2 with a wireless receiving module, so that the measurement data of the sensor 132 can be transmitted wirelessly to the control unit 2.

In addition, in the previously described example, two sensors 132 are provided in the sensor module 13, however, in the possible embodiments, three or more sensors 132 are also possible, and by measuring the signal time differences between the three or more sensors 132, the closing speed of the vehicle closure member can be calculated more accurately.

Other modifications are also contemplated as falling within the spirit and scope of the present application.

According to the application, the pose of the sensor is adjustable. The distance between the sensor and the module mounting surface is adjustable, and the closing speed of the automobile closing member to the locking point at different distances can be measured; the orientation of the sensor can be adjusted to reduce measurement errors.

In addition, by means of the level gauge, the connecting line of the central points of the two sensors can be adjusted to be perpendicular to the left-right direction (Y axis) and the up-down direction (Z axis) of the vehicle, so that the measurement accuracy is guaranteed.

Additionally, there is a statistical function of the minimum closing speed and the maximum failed closing speed, which when close together is the minimum closing speed of the vehicle .

The control unit control key layout adopts a bilateral symmetry structure, and under the condition that the functions of corresponding keys in conventional use are the same, the control unit control key layout is convenient for an operator to carry out hand-changing operation when the closing speed of the left and right vehicles is measured.

Although the present application has been described herein with reference to particular embodiments, the scope of the present application is not intended to be limited to the details shown. Various modifications may be made to these details without departing from the underlying principles of the application.

Claims

The adjustable automobile closure closing speed testing device is characterized by comprising a sensing unit, a control unit and a connecting line connected between the sensing unit and the control unit;

the sensing unit includes: a sucker with a pump; a gimbal arm detachably connected to the suction cup; and a sensor module supported by the gimbal arm, the sensor module comprising at least two sensors capable of sensing the proximity of an object;

the connection line includes a signal line connected between the control unit and the sensor.
2. An adjustable vehicle closure closing velocity test apparatus as in claim 1 wherein said gimbal arm comprises a plurality of arm segments connected by joints, a beginning arm segment of said plurality of arm segments being removably connected to said pump cup and an end arm segment carrying a sensor module.
3. The adjustable vehicle closure closing speed test apparatus of claim 2 wherein a starting arm segment of said plurality of arm segments is configured to be adapted to be removed from said pump cup and attached to a floor bracket.
4. An adjustable vehicle closure closing velocity test apparatus as in claim 2 wherein each joint has a single degree of freedom or at least joints have two or more degrees of freedom.
5. An adjustable vehicle closure closing velocity test apparatus as in claim 2 wherein the sum of the degrees of freedom of each joint is greater than 6.
6. An adjustable vehicle closure closing velocity test apparatus as in claim 2 wherein each joint is equipped with a locking mechanism, the locking mechanism of each joint being operated by a single knob.
7. An adjustable vehicle closure closing velocity test apparatus as set forth in claim 1 wherein said sensor module includes a fixed base supported by a gimbal arm, said sensor carried by the fixed base; the sensor module also comprises a level gauge installed on the fixed seat.
8. An adjustable automotive closure closing speed test apparatus as described in claim 7 wherein said fixed pedestal contains a sensor socket into which said sensor is removably inserted.
9. An adjustable vehicle closure closing velocity testing apparatus as claimed in any of claims 1 to 8 wherein said connection is a wireless link, said sensor module is equipped with a wireless transmitting module and said control unit is equipped with a wireless receiving module.
10. An adjustable vehicle closure closing speed test apparatus as claimed in any of claims 1 to 8 wherein said control unit comprises:

the microprocessor is in communication connection with the sensor module through the signal line;

a screen and an operation key which are respectively electrically connected with the microprocessor; and

and the power supply device comprises an external power supply input interface and/or a built-in battery, and the external power supply input interface and/or the built-in battery are connected with the microprocessor through the th voltage conversion module and are connected with the sensor module through the second voltage conversion module.
11. An adjustable vehicle closure closing speed test apparatus as in claim 10 wherein said microprocessor is electrically connected to said sensor module through a signal transmission interface, said second voltage conversion module and said signal transmission interface employing an isolation circuit to electrically isolate said microprocessor from said sensor module.
12. An adjustable closure closing velocity test apparatus for automobiles as in claim 10 wherein said operator control keys comprise two sets of operator control keys disposed on adjacent left and right sides of the screen, said sets of operator control keys being functionally identical.
13. The adjustable vehicle closure closing speed testing apparatus of claim 10, wherein said screen is a touch screen and said keys are icon buttons in the touch screen.
14. An adjustable vehicle closure closing velocity testing apparatus as in claim 10 wherein said microprocessor includes a statistical module configured to determine a minimum closing velocity of the vehicle closure.
15. An adjustable vehicle closure closing speed testing apparatus of any of claims 1 to 8 wherein the sensor is a diffuse reflectance type laser sensor.