An instrument and method for testing the geometric visibility of a lighting and optical signal device

Abstract

The present invention discloses a geometric visibility testing instrument and method for lighting and optical signal devices, belonging to the field of geometric visibility detection of lighting and optical signal devices. The instrument is provided with a base and a holding rod connected vertically. A moving device is installed under the base, and a detection device, a lifting device and a rotating device are respectively installed on the holding rod. The effective positioning of the detection device is realized through the moving device, the lifting device and the rotating device, so that the beam generator and the central beam generator of the detection device are moved to the required positions according to the detection standards. Finally, by observing whether the three beams can reach the reference point of the unit to be tested, it is judged whether the unit to be tested meets the detection standards, realizing the accurate testing of the geometric visibility of lighting and optical signal devices; the instrument has a simple structure, is easy to operate, has a high cost performance, and has good popularization and application value.

Description

Technical Field

[0001] The present invention relates to the field of geometric visibility detection of lighting and optical signal devices, and particularly relates to a geometric visibility test instrument and method for lighting and optical signal devices. Background Art

[0002] The concept of geometric visibility of lighting and optical signal devices is: the minimum solid angle visible on the visual surface of the lamp, which is determined by a part of a sphere. The center of the sphere is located at the reference center of the lamp, the equator is parallel to the ground, and with the reference axis as the reference, the horizontal angle β represents longitude and the vertical angle α represents latitude.

[0003] Taking the turn signal of a motorcycle as an example, the national standard GB18100 series clearly requires the limit values of the geometric visibility of motorcycle lighting and optical signal devices. The limit requirements are: for the horizontal angle β, 80° outward and 20° inward; for the vertical angle α, when measured 15° upward and 15° downward from the horizontal plane, there should be no obstruction within the geometric visibility range. The reference axis and reference point of the lamp are declared (determined) by the manufacturing enterprise, and basically correspond to the geometric center of the outer contour. For a lamp using a filament bulb, the reference axis generally passes through the center of the bulb, and the reference point is the intersection of the reference axis and the light-transmitting surface of the lamp.

[0004] Currently, the detection of the geometric visibility of most motor vehicle lighting and optical signal devices mainly relies on manual completion by inspectors. The inspectors use an angle measuring instrument to detect the lighting and optical signal devices and rely solely on experience to judge, which cannot guarantee the detection accuracy; while the devices specifically used for the geometric visibility of motor vehicle lighting and optical signal devices have a complex structure, a relatively low cost performance, and generally can only detect the products (lighting and optical signal devices) before leaving the factory. After the products are assembled into the motor vehicle, the existing devices cannot accurately test the geometric visibility of the products. Summary of the Invention

[0005] In order to solve the above technical problems, the present invention provides a geometric visibility test instrument and method for lighting and optical signal devices, which has a simple structure and can accurately test the geometric visibility of lighting and optical signal devices after they are assembled into a motor vehicle.

[0006] To achieve the above object, the present invention adopts the following technical solutions:

[0007] A geometric visibility test instrument for lighting and optical signal devices includes a base and a holding rod, and the base is vertically connected to the holding rod;

[0008] A moving device is arranged on the base;

[0009] A detection device, a lifting device and a rotating device are connected to the holding rod;

[0010] The lifting device is used for the lifting of the detection device;

[0011] The rotating device is used for rotating the detection device;

[0012] The moving device is used to provide horizontal displacement for the detection device;

[0013] The detection device includes a measuring arm, on which a central beam generator is arranged, and test units are arranged on both sides of the central beam generator. The test units are connected to the measuring arm through a sliding device;

[0014] The test unit includes a beam generator, and the beam generator can slide on the measuring arm.

[0015] Further, the test unit includes a pointer and a dial;

[0016] The dial is connected to the sliding device;

[0017] The pointer is connected to the beam generator, and the pointer is movably connected to the dial and can point to the scale on the dial.

[0018] Further, the sliding device includes a slider, and the slider is connected to the guide rail of the measuring arm.

[0019] Further, the lifting device includes a lead screw and a lifting motor. The lead screw is vertically connected to the base and is parallelly connected to the holding rod, and the lead screw is connected to the lifting motor;

[0020] The detection device is connected to the lead screw, and the detection device can move up and down along the lead screw.

[0021] Further, the rotating device includes a commutation motor and a transmission mechanism. The commutation motor is fixed on the holding rod, and the commutation motor is connected to the transmission mechanism;

[0022] The transmission mechanism is connected to the detection device, and the detection device can be switched between the horizontal direction and the vertical direction through the transmission mechanism.

[0023] Further, the transmission mechanism includes a runner A, a belt, a runner B and a bearing;

[0024] The runner A is connected to the commutation motor;

[0025] One end of the belt is sleeved on the runner A, and the other end is sleeved on the bearing;

[0026] The bearing is connected to the runner B, and the runner B is connected to the detection device.

[0027] Further, the transmission mechanism further includes a positioning pin. When the detection device rotates to a preset position, the detection device is fixed by the positioning pin.

[0028] Further, the moving device includes a Mecanum wheel set, and the Mecanum wheel set is connected to the base.

[0029] Further, the Mecanum wheel set is connected to a horizontal motor.

[0030] A method for testing the geometric visibility of an illumination and optical signal device, based on the above-mentioned instrument for testing the geometric visibility of an illumination and optical signal device, includes the following steps:

[0031] S1. Start the lifting device and adjust the height of the central beam generator so that the beam of the central beam generator coincides with the reference axis of the unit under test.

[0032] S2. Start the rotating device to switch the measuring arm of the detection device to the horizontal state.

[0033] S3. Adjust the angles and displacements of the beam generators of the test unit according to the preset detection criteria so that the three beams formed by the two beam generators and the central beam generator intersect at a point.

[0034] S4. Start the moving device to make the intersection point coincide with the reference point of the unit under test.

[0035] S5. Observe whether all three beams can reach the reference point:

[0036] If any one of the three beams fails to reach the reference point, it is determined that the unit under test does not meet the detection criteria.

[0037] If all three beams can reach the reference point, it is determined that the unit under test meets the detection criteria.

[0038] S6. Complete the test of the unit under test in the horizontal direction.

[0039] S7. Start the rotating device to switch the measuring arm of the detection device to the vertical state, and repeat steps S3 - S5 to complete the test of the unit under test in the vertical direction.

[0040] Compared with the prior art, the present invention has the following beneficial effects:

[0041] The present invention provides a geometric visibility test instrument for lighting and optical signal devices. The instrument is provided with a base and a holding rod connected vertically. A moving device is installed under the base, and a detection device, a lifting device, and a rotating device are respectively installed on the holding rod. The detection device is effectively positioned through the moving device, the lifting device, and the rotating device, so that the beam generator and the central beam generator of the detection device can be moved to the required positions according to the detection standards. Finally, by observing whether the three beams can reach the reference points of the unit under test, it is judged whether the unit under test meets the detection standards, realizing the precise test of the geometric visibility of the lighting and optical signal devices; the instrument has a simple structure, is easy to operate, has a high cost performance, and has good popularization and application value.

[0042] Preferably, the test unit of the present invention includes a pointer and a dial. During the test, the angle of the beam generator can be manually adjusted according to the position of the pointer on the dial, making the angle adjustment more accurate, thereby improving the test accuracy of the present invention.

[0043] Preferably, the sliding device of the present invention is composed of a slider and a guide rail. The guide rail is located on the measuring arm. Through the cooperation of the slider and the guide rail, it is convenient to adjust the horizontal displacement of the beam generator.

[0044] Preferably, the lifting device of the present invention is composed of a lead screw and a lifting motor. By starting the lifting motor, the detection device is driven to move up and down along the lead screw. In this way, it is convenient to adjust the vertical displacement of the detection device.

[0045] Preferably, the rotating device of the present invention is composed of a commutation motor and a transmission mechanism. In this way, the instrument can easily realize the detection of the geometric visibility of the lighting and optical signal devices in both the horizontal and vertical directions.

[0046] Further preferably, the transmission mechanism is composed of a runner A, a runner B, a belt, and a bearing. The runner A is driven by the commutation motor, and then through the cooperation of the belt and the bearing, the circumferential rotation of the runner B is realized, so as to realize the switching of the detection device in the horizontal and vertical directions.

[0047] Even more preferably, the transmission mechanism further includes a positioning pin. When the detection device rotates to a preset position, that is, the horizontal position or the vertical position, the detection device is fixed by the positioning pin, which is convenient for the positioning of the detection device.

[0048] Preferably, the moving device of the present invention includes a Mecanum wheel set. The Mecanum wheel set is arranged in an ABBA diagonal layout. By driving the wheels with a horizontal motor, different forward and reverse rotation combinations can be realized, which can drive the longitudinal and lateral horizontal displacements of the entire instrument for small-scale precise movement.

[0049] The present invention also provides a method for testing the geometric visibility of a lighting and optical signal device. Based on the above-mentioned testing instrument for the geometric visibility of a lighting and optical signal device, the accurate testing of the geometric visibility of the lighting and optical signal device can be achieved by using this method. The principle of this method is simple and easy to implement. Description of the Drawings

[0050] Figure 1 It is a schematic structural diagram of a testing instrument for the geometric visibility of a lighting and optical signal device provided by an embodiment of the present invention;

[0051] Figure 2 It is a schematic structural diagram of another perspective of a testing instrument for the geometric visibility of a lighting and optical signal device provided by an embodiment of the present invention;

[0052] Figure 3 It is a side view of a testing instrument for the geometric visibility of a lighting and optical signal device provided by an embodiment of the present invention;

[0053] Figure 4 It is a top view of a testing instrument for the geometric visibility of a lighting and optical signal device provided by an embodiment of the present invention;

[0054] Figure 5 It is a rear view of a testing instrument for the geometric visibility of a lighting and optical signal device provided by an embodiment of the present invention;

[0055] Figure 6 It is a bottom view of a testing instrument for the geometric visibility of a lighting and optical signal device provided by an embodiment of the present invention;

[0056] Figure 7 It is a partial exploded view of a testing instrument for the geometric visibility of a lighting and optical signal device provided by an embodiment of the present invention;

[0057] Figure 8 It is a schematic structural diagram of a testing unit provided by an embodiment of the present invention.

[0058] Reference Signs:

[0059] Base - 1; Holding Rod - 2; Central Beam Generator - 3; Beam Generator - 4; Measuring Arm - 5; Testing Unit - 6; Lead Screw - 7; Lifting Motor - 8; Reversing Motor - 9; Runner A - 10; Belt - 11; Runner B - 12; Bearing - 13; Pointer - 14; Dial - 15; Slide Block - 16; Positioning Bolt Hole - 17; Mecanum Wheel Set - 18; Horizontal Motor - 19. Detailed Embodiments

[0060] The present invention provides a geometric visibility test instrument for lighting and optical signal devices, including a base 1 and a holding rod 2, where the base 1 is perpendicularly connected to the holding rod 2; a moving device is provided on the base 1; a detection device, a lifting device, and a rotating device are connected to the holding rod 2; the lifting device is used for lifting the detection device; the rotating device is used for rotating the detection device; the moving device is used to provide a horizontal displacement for the detection device; the detection device includes a measuring arm 5, a central beam generator 3 is provided on the measuring arm 5, and test units 6 are provided on both sides of the central beam generator 3, and the test units 6 are connected to the measuring arm 5 through a sliding device; the test unit 6 includes a beam generator 4, and the beam generator 4 can slide on the measuring arm 5.

[0061] Specifically, the test unit 6 includes a pointer 14 and a dial 15; the dial 15 is connected to the sliding device; the pointer 14 is connected to the beam generator 4, and the pointer 14 is movably connected to the dial 15 and can point to the scale on the dial 15.

[0062] The above-mentioned sliding device specifically includes a slider 16, and the slider 16 is connected to the guide rail of the measuring arm 5.

[0063] The lifting device includes a lead screw 7 and a lifting motor 8. The lead screw 7 is perpendicularly connected to the base and is parallelly connected to the holding rod 2, and the lead screw 7 is connected to the lifting motor 8; the detection device is connected to the lead screw 7, and the detection device can move up and down along the lead screw 7.

[0064] The rotating device includes a commutation motor 9 and a transmission mechanism. The commutation motor 9 is fixed on the holding rod 2, and the commutation motor 9 is connected to the transmission mechanism;

[0065] The transmission mechanism is connected to the detection device, and the detection device can be switched between the horizontal direction and the vertical direction through the transmission mechanism.

[0066] Specifically, the above-mentioned transmission mechanism includes a runner A 10, a belt 11, a runner B 12, and a bearing 13; the runner A 10 is connected to the commutation motor 9; one end of the belt 11 is sleeved on the runner A 10, and the other end is sleeved on the bearing 13; the bearing 13 is connected to the runner B 12, and the runner B 12 is connected to the detection device.

[0067] In addition, the transmission mechanism further includes a positioning pin. When the detection device rotates to a preset position, the detection device is fixed through the positioning pin.

[0068] The mobile device includes a Mecanum wheel set 18, which is connected to the base 1, and the Mecanum wheel set 18 is connected to a horizontal motor 19.

[0069] The present invention also provides a method for testing the geometric visibility of a lighting and optical signal device. Based on the above-mentioned testing instrument for the geometric visibility of a lighting and optical signal device, the method includes the following steps:

[0070] A method for testing the geometric visibility of a lighting and optical signal device. Based on the above-mentioned testing instrument for the geometric visibility of a lighting and optical signal device, the method includes the following steps:

[0071] S1. Start the lifting device and adjust the height of the central beam generator 3 so that the beam of the central beam generator 3 coincides with the reference axis of the unit under test.

[0072] S2. Start the rotating device and switch the measuring arm 5 of the detection device to the horizontal state.

[0073] S3. Adjust the angle and displacement of the beam generator 4 of the test unit 6 according to the preset detection standard so that the three beams formed by the two beam generators 4 and the central beam generator 3 intersect at a point.

[0074] S4. Start the mobile device so that the intersection point coincides with the reference point of the unit under test.

[0075] S5. Observe whether all three beams can reach the reference point:

[0076] If any one of the three beams fails to reach the reference point, it is determined that the unit under test does not meet the detection standard.

[0077] If all three beams can reach the reference point, it is determined that the unit under test meets the detection standard.

[0078] S6. Complete the test of the unit under test in the horizontal direction.

[0079] S7. Start the rotating device and switch the measuring arm 5 of the detection device to the vertical state, and repeat S3 - S5 to complete the test of the unit under test in the vertical direction.

[0080] Embodiment

[0081] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0082] As Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown in the figure, this embodiment provides a geometric visibility test instrument for lighting and optical signal devices, including a base 1 and a holding rod 2. Here, 2 holding rods 2 are adopted to form a two-link setting to increase stability. It also includes:

[0083] A detection device, such as Figure 8 As shown in the figure, it includes a measurement arm 5 integrally formed with the holding rod 2. The measurement arm 5 has a large arm and a small arm. A central beam generator is installed on the measurement arm 5, and a beam generator 4 is installed on each of the large arm and the small arm. The beam generator 4, a pointer 14, a dial 15, and a slider 16 form a test unit 6. Guide rails are opened on both the large arm and the small arm. The slider 16 can move on the guide rails. The slider 16 is also provided with a positioning bolt hole 17 for limiting the slider. Manually adjust the angle of the beam generator 4, and calibrate it by the scale indicated by the pointer 14 on the dial 15 to ensure the test accuracy.

[0084] A lifting device, such as Figure 1 As shown in the figure, it includes a lead screw 7 and a lifting motor 8. The lead screw 7 is fixed to the two-link holding rod 2 and is perpendicular to the base 1. The lead screw 7 is fixed to the measurement arm 5, and the measurement arm 5 moves up and down by driving the lead screw 7 through the lifting motor 8.

[0085] A rotating device, such as Figure 7 As shown in the figure, it includes a reversing motor 9 and a transmission mechanism mainly composed of a runner A 10, a belt 11, a runner B 12, and a bearing 13. Here, the reversing motor 9, the runner A 10, and the belt 11 are respectively fixed to the lead screw 7. That is, the rotating device and the detection device can move up and down through the lifting device. Start the reversing motor 9 to drive the runner A 10, drive the belt 11, drive the bearing 13 to rotate, and then make the runner B 12 drive the measurement arm 5 to perform a circular motion to achieve rotation, realizing the switching between the vertical state and the horizontal state of the measurement arm 5. After the state switching is completed, fix the measurement arm 5 through a positioning pin and insert it into the through holes of the lead screw 7 and the runner B 12.

[0086] A moving device, such as Figure 6 As shown in the figure, it includes a Mecanum wheel set 18 and a horizontal motor 19. The horizontal motor 19 drives the Mecanum wheel set 18 to ensure the precise displacement of this instrument.

[0087] Based on the above instrument, this embodiment also provides a geometric visibility test method for lighting and optical signal devices. Here, taking the turn signal of a two-wheeled motorcycle as an example, based on the test requirements of national standards: the horizontal direction angle β, 80° outward and 20° inward; the vertical direction angle α, 15° upward and 15° downward from the horizontal plane. The specific steps are as follows:

[0088] S1: Place the motor vehicle on the horizontal ground in a darkroom so that the vehicle head has no rotation angle and the longitudinal central plane of the vehicle should be vertical.

[0089] S3: Start the lifting motor 8 to make the vertical height of the central beam generator 3 (i.e., the indicating direction of the central beam generator) coincide with the reference axis of the unit under test (in this example, the right front turn signal).

[0090] S3: Start the reversing motor 9. Through the runner A10, belt 11 and runner B12, switch the measuring arm 5 from the vertical state to the horizontal state (as Figure 1 ) and insert the positioning pin for auxiliary positioning.

[0091] S4: Manually adjust the slider 16 of the measuring unit 6 so that the measuring unit angle indication of the beam generator 4 at the small arm end of the measuring arm 5 is 20°, and that of the beam generator 4 on the large arm is 80°, and make the three beams converge at one point.

[0092] S5: Start the horizontal motor 19 to control the Mecanum wheel set 18 so that the instrument can translate horizontally and longitudinally until the above intersection point coincides with the reference point on the light-transmitting surface of the unit under test.

[0093] S6: Observe whether the three beams can reach the reference point on the light-transmitting surface of the unit under test. That is to say, whether there are any obstacles in the triangular area enclosed by the three beams.

[0094] S7: If any one of the three beams fails to reach the reference point, it is judged that the unit under test does not meet the detection standard;

[0095] If all three beams can reach the reference point, it is judged that the unit under test meets the detection standard, thus completing the horizontal direction test of the unit under test.

[0096] Similarly, start the reversing motor 9 again. Through the runner A10, belt 11 and runner B12, switch the measuring arm 5 from the horizontal state back to the vertical state. According to the same method, complete the vertical direction test of the unit under test, and finally judge whether the unit under test meets the detection standard based on the above test results.

[0097] Because most of the current industry methods for testing geometric visibility are relatively rough. Some testers even think that the visual angle is far greater than the limit value is okay, and there is no scientific and rigorous testing equipment.

[0098] The invention and application of this instrument make the test more rigorous and accurate, and also make it possible to trace the effectiveness of the measurement. For example, a calibrated angle meter can be used to test the consistency of the angle scale.

[0099] Therefore, a geometric visibility test instrument and method for lighting and light signal devices provided in this embodiment have the following advantages:

[0100] 1. It can complete the measurement of all geometric visibility limits specified in the GB18100 series of standards.

[0101] 2. The Mecanum wheel mechanism is applied, enabling fine translation movements to be completed.

[0102] 3. The beam generator comes with an angle scale for easy and precise measurement.

[0103] 4. The measurement methods of this instrument and method are flexible and highly adaptable.

[0104] Although the embodiments of the present invention have been described above in combination with the accompanying drawings and examples, the present invention is not limited to the above specific embodiments and application fields. The above specific embodiments are merely illustrative and guiding, rather than restrictive. Under the inspiration of the specification, those of ordinary skill in the art can also make many forms without departing from the scope protected by the claims of the present invention, and all of these fall within the scope of protection of the present invention.

Claims

1. A method for testing the geometric visibility of a lighting and optical signal device, characterized in that, Geometric Visibility Testing Instrument for Lighting and Optical Signal Devices The geometric visibility testing instrument for lighting and optical signal devices includes a base (1) and a holding rod (2), and the base (1) is perpendicularly connected to the holding rod (2). A moving device is arranged on the base (1). A detection device, a lifting device, and a rotating device are connected to the holding rod (2). The lifting device is used for lifting the detection device. The rotating device is used for rotating the detection device. The moving device is used to provide a horizontal displacement for the detection device. The detection device includes a measuring arm (5), a central beam generator (3) is arranged on the measuring arm (5), and test units (6) are arranged on both sides of the central beam generator (3), and the test units (6) are connected to the measuring arm (5) through a sliding device. The test unit (6) includes a beam generator (4), and the beam generator (4) can slide on the measuring arm (5). The test method includes the following steps: S1. Start the lifting device and adjust the height of the central beam generator (3) so that the beam of the central beam generator (3) coincides with the reference axis of the unit under test. S2. Start the rotating device to switch the measuring arm (5) of the detection device to the horizontal state. S3. Adjust the beam generator (4) according to the preset detection standard, and adjust the angle and displacement of the beam generator (4) of the test unit (6) so that the three beams formed by the two beam generators (4) and the central beam generator (3) intersect at a point. S4. Start the moving device to make the intersection point coincide with the reference point of the unit under test. S5. Observe whether all three beams can reach the reference point: If any one of the three beams fails to reach the reference point, it is determined that the unit under test does not meet the detection standard. If all three beams can reach the reference point, it is determined that the unit under test meets the detection standard. S6. Complete the horizontal direction test of the unit under test. S7. Start the rotating device to switch the measuring arm (5) of the detection device to the vertical state, and repeat S3 - S5 to complete the vertical direction test of the unit under test.

2. The geometric visibility test method for an illumination and optical signal device according to claim 1, wherein, The test unit (6) includes a pointer (14) and a dial (15). The dial (15) is connected to the sliding device. The pointer (14) is connected to the beam generator (4), and the pointer (14) is movably connected to the dial (15) and can point to the scale of the dial (15).

3. A method for testing the geometric visibility of an illumination and optical signal device according to claim 1, characterized in that, The sliding device includes a slider (16), and the slider (16) is connected to the guide rail of the measuring arm (5).

4. A method for testing the geometric visibility of an illumination and optical signal device according to claim 1, characterized in that, The lifting device includes a lead screw (7) and a lifting motor (8), the lead screw (7) is perpendicularly connected to the base and is parallelly connected to the holding rod (2), and the lead screw (7) is connected to the lifting motor (8). The detection device is connected to the lead screw (7), and the detection device can move up and down along the lead screw (7).

5. A method for testing the geometric visibility of an illumination and optical signal device according to claim 1, characterized in that The rotating device includes a commutation motor (9) and a transmission mechanism, the commutation motor (9) is fixed on the holding rod (2), and the commutation motor (9) is connected to the transmission mechanism. The transmission mechanism is connected to the detection device, and the detection device can achieve switching between the horizontal direction and the vertical direction through the transmission mechanism.

6. A method for testing the geometric visibility of an illumination and optical signal device according to claim 5, characterized in that, The transmission mechanism includes a runner A (10), a belt (11), a runner B (12), and a bearing (13); The runner A (10) is connected to the reversing motor (9); One end of the belt (11) is sleeved on the runner A (10), and the other end is sleeved on the bearing (13); The bearing (13) is connected to the runner B (12), and the runner B (12) is connected to the detection device.

7. A method for testing the geometric visibility of an illumination and optical signal device according to claim 6, characterized in that, The transmission mechanism further includes a positioning pin. When the detection device rotates to a preset position, the detection device is fixed by the positioning pin.

8. A method for testing the geometric visibility of an illumination and optical signal device according to claim 1, characterized in that The moving device includes a Mecanum wheel set (18), and the Mecanum wheel set (18) is connected to the base (1).

9. A geometric visibility test method for an illumination and optical signal device according to claim 8, characterized in that The Mecanum wheel set (18) is connected to a horizontal motor (19).

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