CN115824593A - Testing device and method for augmented reality glasses - Google Patents
Testing device and method for augmented reality glasses Download PDFInfo
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- CN115824593A CN115824593A CN202211690001.4A CN202211690001A CN115824593A CN 115824593 A CN115824593 A CN 115824593A CN 202211690001 A CN202211690001 A CN 202211690001A CN 115824593 A CN115824593 A CN 115824593A
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- 238000012360 testing method Methods 0.000 title claims abstract description 155
- 230000003190 augmentative effect Effects 0.000 title claims abstract description 44
- 239000011521 glass Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims description 13
- 230000003287 optical effect Effects 0.000 claims abstract description 106
- 229910001006 Constantan Inorganic materials 0.000 claims description 10
- 238000010998 test method Methods 0.000 claims description 2
- 235000019557 luminance Nutrition 0.000 description 22
- 238000010586 diagram Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The embodiment of the invention provides a testing device and a testing method of augmented reality glasses, the testing device of the augmented reality glasses comprises an optical machine, and the testing device comprises: the current acquisition board card is used for acquiring the current of the optical machine; the voltage acquisition board card is used for acquiring the voltage of the optical machine; the brightness test unit is used for obtaining the brightness of the light machine; and the processing unit is electrically connected with the current acquisition board card, the voltage acquisition board card and the brightness test unit and acquires a brightness-power consumption test curve of the optical machine according to the current, the voltage and the luminous brightness. The embodiment of the invention provides a testing device and a testing method for augmented reality glasses, which are used for testing the augmented reality glasses and providing reference basis for a user.
Description
Technical Field
The invention relates to an augmented reality glasses technology, in particular to a testing device and method of augmented reality glasses.
Background
A head-mounted display for augmented reality adopts near-to-eye display technology, can let people when looking over the surrounding environment, watch the virtual image that is showing, and the virtual image stack can build more lifelike experience on the real world of user perception, and the user sense of immersion is stronger.
Currently, the augmented reality glasses have two Digital Light Processing (DLP) devices, also called optical machines, corresponding to the coupling-in regions of the left eye region and the right eye region respectively, for coupling-in at two sides of the waveguide substrate, so that the augmented reality glasses merge the images of the two coupling-in regions to form an image.
However, testing for augmented reality glasses is lacking, and thus cannot provide a reference for the user.
Disclosure of Invention
The embodiment of the invention provides a testing device and a testing method for augmented reality glasses, which are used for testing the augmented reality glasses and providing reference basis for a user.
In a first aspect, an embodiment of the present invention provides a testing apparatus for augmented reality glasses, where the augmented reality glasses include an optical engine, and the testing apparatus includes:
the current acquisition board card is used for acquiring the current of the optical machine;
the voltage acquisition board card is used for acquiring the voltage of the optical machine;
the brightness test unit is used for obtaining the brightness of the light machine;
and the processing unit is electrically connected with the current acquisition board card, the voltage acquisition board card and the brightness test unit and acquires a brightness-power consumption test curve of the optical machine according to the current, the voltage and the luminous brightness.
Optionally, the method further comprises:
and the brightness adjusting unit is used for adjusting the brightness of the light machine and is electrically connected with the processing unit.
Optionally, the optical machine includes a screen, a screen driving chip, a backlight, and a backlight driving chip;
the current collecting board card is electrically connected with at least one current test point on the screen, at least one current test point on the screen driving chip, at least one current test point on the backlight and at least one current test point on the backlight driving chip.
Optionally, the current collecting board card comprises a plurality of constantan wires, and one constantan wire is electrically connected with one current test point.
Optionally, the optical machine includes a screen, a screen driving chip, a backlight, and a backlight driving chip;
the voltage acquisition board card is electrically connected with at least one voltage test point on the screen, at least one voltage test point on the screen driving chip, at least one voltage test point on the backlight and at least one voltage test point on the backlight driving chip.
In a second aspect, an embodiment of the present invention provides a method for testing augmented reality glasses, where the augmented reality glasses include an optical machine, and the method includes:
acquiring the current of the optical machine;
acquiring the voltage of the optical machine;
acquiring the luminous brightness of the optical machine;
and acquiring a brightness-power consumption test curve of the optical machine according to the current, the voltage and the luminous brightness.
Optionally, the optical machine includes a screen, a screen driving chip, a backlight, and a backlight driving chip;
obtaining a current of the optical machine, including:
obtaining the current of at least one current test point on the screen, obtaining the current of at least one current test point on the screen driving chip, obtaining the current of at least one current test point on the backlight, and obtaining the current of at least one current test point on the backlight driving chip.
Optionally, the optical machine includes a screen, a screen driving chip, a backlight, and a backlight driving chip;
obtaining a voltage of the light engine, comprising:
the method comprises the steps of obtaining the voltage of at least one voltage test point on the screen, obtaining the voltage of at least one voltage test point on the screen driving chip, obtaining the voltage of at least one voltage test point on the backlight, and obtaining the voltage of at least one voltage test point on the backlight driving chip.
Optionally, the optical machine includes a screen, a screen driving chip, a backlight, and a backlight driving chip;
the test method further comprises:
acquiring configuration parameters of the backlight driving chip;
and acquiring a brightness-configuration parameter corresponding table of the backlight driving chip according to the configuration parameters and the brightness.
Optionally, before obtaining the configuration parameters of the backlight driving chip, the method further includes:
setting theoretical target brightness;
obtain the luminance of ray apparatus includes:
and adjusting the configuration parameters until the difference value between the luminous brightness and the theoretical target brightness is smaller than a preset value.
The embodiment of the invention provides a testing device of augmented reality glasses. Therefore, the current, the voltage and the luminous brightness of the optical machine are obtained through the current collecting board card, the voltage collecting board card and the brightness testing unit respectively, and the brightness-power consumption testing curve of the optical machine is obtained through processing of the processing unit. The augmented reality glasses are tested, and reference basis is provided for a user.
Drawings
Fig. 1 is a schematic diagram of a testing apparatus for augmented reality glasses according to an embodiment of the present invention;
fig. 2 is a schematic diagram of another testing apparatus for augmented reality glasses according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an optical machine according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a current collection board card according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a voltage acquisition board card according to an embodiment of the present invention;
fig. 6 is a flowchart of a testing method for augmented reality glasses according to an embodiment of the present invention;
fig. 7 is a flowchart of another augmented reality glasses testing method according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a schematic view of a testing apparatus for augmented reality glasses according to an embodiment of the present invention, where the augmented reality glasses include an optical engine. Augmented reality glasses may also include other structures besides optical disks, such as light guide plates. Referring to fig. 1, the testing apparatus for augmented reality glasses includes a current collection board 11, a voltage collection board 12, a brightness testing unit 13, and a processing unit 14. Wherein, the current collecting board card 11 is used for collecting the current of the optical machine. The voltage acquisition board card 12 is used for acquiring the voltage of the optical machine. The luminance testing unit 13 is used for obtaining the luminance of the light engine. The processing unit 14 is electrically connected with the current collection board card 11, the voltage collection board card 12 and the brightness test unit 13, the processing unit 14 obtains the current collected by the current collection board card 11, obtains the voltage collected by the voltage collection board card 12, obtains the brightness collected by the brightness test unit 13, and obtains the brightness-power consumption test curve of the optical machine according to the current, the voltage and the brightness.
The brightness-power consumption test curve of the optical machine is a relation curve between the power consumption of the optical machine and the brightness of the optical machine. The corresponding relation between the power consumption of the optical machine and the brightness of the optical machine is reflected.
The testing device for the augmented reality glasses provided by the embodiment of the invention comprises a current acquisition board card 11, a voltage acquisition board card 12, a brightness testing unit 13 and a processing unit 14. Therefore, the current, the voltage and the luminance of the optical machine are obtained through the current collecting board card 11, the voltage collecting board card 12 and the luminance testing unit 13 respectively, and the luminance-power consumption testing curve of the optical machine is obtained through processing of the processing unit 14. The augmented reality glasses are tested, and reference basis is provided for a user.
Fig. 2 is a schematic diagram of another testing apparatus for augmented reality glasses according to an embodiment of the present invention, and referring to fig. 2, the testing apparatus further includes a brightness adjusting unit 15. The brightness adjusting unit 15 is used for adjusting the brightness of the light machine, and the brightness adjusting unit 15 is electrically connected with the processing unit 14.
Exemplarily, referring to fig. 2, after the brightness adjusting unit 15 adjusts the brightness of the light emitted by the light engine, the processing unit 14 controls the brightness testing unit 13 to detect the brightness of the light emitted by the light engine. Or, after the processing unit 14 controls the luminance testing unit 13 to detect the luminance of the optical engine, the luminance adjusting unit 15 adjusts the luminance of the optical engine. Or, the processing unit 14 controls the luminance testing unit 13 to detect the luminance of the light engine while the luminance adjusting unit 15 adjusts the luminance of the light engine. The brightness adjustment unit 15 and the brightness test unit 13 constitute a closed-loop adjustment of the brightness.
Fig. 3 is a schematic diagram of an optical machine according to an embodiment of the present invention, and referring to fig. 3, the optical machine 20 includes a screen 21, a screen driving chip 22, a backlight 23, and a backlight driving chip 24. The power consumption of the optical engine 20 mainly occurs on the screen 21, the screen driving chip 22, the backlight 23 and the backlight driving chip 24, that is, the power consumption of the optical engine 20 is mainly composed of the power consumption of the screen 21, the power consumption of the screen driving chip 22, the power consumption of the backlight 23 and the power consumption of the backlight driving chip 24.
The screen 21 is electrically connected to a screen driving chip 22, and the screen driving chip 22 is used for driving the screen 21. The backlight 23 is electrically connected to a backlight driving chip 24, and the backlight driving chip 24 is used to drive the backlight 23.
Illustratively, when the brightness adjusting unit 15 adjusts the brightness of the optical engine 20, it mainly adjusts the R \ G \ B current of the backlight driving chip 24.
Fig. 4 is a schematic diagram of a current collection board according to an embodiment of the present invention, and referring to fig. 2 to 4, the current collection board 11 is electrically connected to at least one current test point on the screen 21 of the optical engine 20, so as to collect a current of the screen 21 of the optical engine 20. The current collecting board 11 is electrically connected to at least one current test point on the screen driving chip 22 of the optical engine 20, so as to collect the current of the screen driving chip 22 of the optical engine 20. The current collecting board card 11 is electrically connected to at least one current test point on the backlight 23 of the optical engine 20, so as to collect the current of the backlight 23 of the optical engine 20. The current collecting board card 11 is electrically connected to at least one current test point on the backlight driving chip 24 of the optical engine 20, so as to collect the current of the backlight driving chip 24 of the optical engine 20.
Optionally, referring to fig. 4, the current collecting board 11 includes a plurality of constantan wires 113, and one constantan wire 113 is electrically connected to one current test point. The constantan wire 113 is incorporated into the circuit to be tested, and the test current is converted into a voltage.
Exemplarily, referring to fig. 4, the current collecting board 11 includes n constantan wires 113, and the n constantan wires 113 are electrically connected to n current test points (current test point 1, current test point 2, \8230;, current test point n), respectively. The constantan wire 113 converts the test current to a voltage. Then, the analog voltage signal is converted into a digital voltage signal through voltage conversion by the first AD conversion chip 112. And transmits the digital voltage signal to the first microcontroller 111. The first microcontroller 111 transmits the final sampling result back to the processing unit 14 via the serial port.
Fig. 5 is a schematic diagram of a voltage acquisition board according to an embodiment of the present invention, and referring to fig. 2 to 5, the voltage acquisition board 12 is electrically connected to at least one voltage test point on the screen 21 of the optical engine 20, so as to acquire a voltage of the screen 21 of the optical engine 20. The voltage collecting board 12 is electrically connected to at least one voltage test point on the screen driving chip 22 of the optical engine 20, so as to collect the voltage of the screen driving chip 22 of the optical engine 20. The voltage acquisition board 12 is electrically connected to at least one voltage test point on the backlight 23 of the optical engine 20, so as to acquire the voltage of the backlight 23 of the optical engine 20. The voltage collecting board 12 is electrically connected to at least one voltage test point on the backlight driving chip 24 of the optical engine 20, so as to collect the voltage of the backlight driving chip 24 of the optical engine 20.
Illustratively, referring to fig. 5, the voltage acquisition board 12 is electrically connected to n voltage test points (voltage test point 1, voltage test point 2, \ 8230; \8230;, voltage test point n), respectively. Then, the analog voltage signal is converted into a digital voltage signal through voltage conversion by the second AD conversion chip 122. And transmits the digital voltage signal to the second microcontroller 121. The second microcontroller 121 returns the final sampling result to the processing unit 14 via the serial port.
It should be noted that the voltage test point 1 and the current test point 1 may be the same test point or different test points. Generally, the voltage test point 1 and the current test point 1 may be different test points.
In one example, 3 voltage test points and 3 current test points are set for the screen 21 of the optical engine 20, 4 voltage test points and 4 current test points are set for the screen driving chip 22 of the optical engine 20, 3 voltage test points and 3 current test points are set for the backlight 23 of the optical engine 20, and 4 voltage test points and 4 current test points are set for the backlight driving chip 24 of the optical engine 20.
Illustratively, the brightness test unit 13 mainly takes an image of the augmented reality glasses through a camera, and the obtained image is transmitted back to the processing unit 14 and processed to obtain a brightness value. For example, the corresponding luminance value is obtained from the gradation value of the captured image.
Fig. 6 is a flowchart of a testing method for augmented reality glasses according to an embodiment of the present invention, and referring to fig. 6, the testing method for augmented reality glasses includes:
s101, obtaining the current of the optical machine.
S102, acquiring the voltage of the optical machine.
S103, obtaining the light emitting brightness of the light machine.
And S104, acquiring a brightness-power consumption test curve of the optical machine according to the current, the voltage and the luminous brightness.
The testing method for the augmented reality glasses provided by the embodiment of the invention can be executed by the processing unit 14 in the testing device. The current, the voltage and the luminance of the optical machine are obtained through the current collecting board 11, the voltage collecting board 12 and the luminance testing unit 13, and the luminance-power consumption testing curve of the optical machine is obtained through processing by the processing unit 14. The augmented reality glasses are tested, and reference basis is provided for a user.
Optionally, the step S101 may be subdivided into: the method includes the steps of obtaining a current of at least one current test point on a screen 21 of the optical machine 20, obtaining a current of at least one current test point on a screen driving chip 22 of the optical machine 20, obtaining a current of at least one current test point on a backlight 23 of the optical machine 20, and obtaining a current of at least one current test point on a backlight driving chip 24 of the optical machine 20.
Optionally, the step S102 may be subdivided into: the method includes acquiring a voltage of at least one voltage test point on a screen 21 of the optical engine 20, acquiring a voltage of at least one voltage test point on a screen driver chip 22 of the optical engine 20, acquiring a voltage of at least one voltage test point on a backlight 23 of the optical engine 20, and acquiring a voltage of at least one voltage test point on a backlight driver chip 24 of the optical engine 20.
It can be understood that after the currents and voltages of the screen 21, the screen driving chip 22, the backlight 23 and the backlight driving chip 24 are obtained, not only the relationship between the total power consumption of the optical engine 20 and the light emitting brightness of the optical engine 20, but also the relationship between the screen 21 of the optical engine 20 and the light emitting brightness of the optical engine 20, the relationship between the screen driving chip 22 of the optical engine 20 and the light emitting brightness of the optical engine 20, the relationship between the backlight 23 of the optical engine 20 and the light emitting brightness of the optical engine 20, and the relationship between the backlight driving chip 24 of the optical engine 20 and the light emitting brightness of the optical engine 20 can be obtained.
Illustratively, since the screen driving chip 22 is used to drive the screen 21, the power consumption detected by the screen driving chip 22 includes the power consumption of the screen 21, and the internal power consumption of the screen driving chip 22 cannot be directly obtained. Similarly, the backlight driving chip 24 is used to drive the backlight 23, and the power consumption detected by the backlight driving chip 24 includes the power consumption of the backlight 23, so that the internal power consumption of the backlight driving chip 24 cannot be directly obtained.
Illustratively, the total power consumption of the optical engine 20 is the sum of the detected power consumption of the screen driving chip 22 and the detected power consumption of the backlight driving chip 24. The internal power consumption of the screen driving chip 22 is the difference between the power consumption of the screen driving chip 22 and the power consumption of the screen 21. The internal power consumption of the backlight driving chip 24 is the difference between the power consumption of the backlight driving chip 24 and the power consumption of the backlight 23.
Fig. 7 is a flowchart of another testing method for augmented reality glasses according to an embodiment of the present invention, and referring to fig. 7, the testing method for augmented reality glasses includes:
s201, setting theoretical target brightness.
Illustratively, the theoretical target brightness of the light engine 20 is set to 500nit.
S202, acquiring the current of the optical machine.
S203, acquiring the voltage of the optical machine.
And S204, adjusting the configuration parameters until the difference value between the luminous brightness and the theoretical target brightness is smaller than a preset value.
In this step, the configuration parameters of the backlight driving chip 24 are adjusted, and the configuration parameters of the backlight driving chip 24 mainly refer to the current parameters of the backlight driving chip 24. When the configuration parameters of the backlight driving chip 24 are adjusted, the driving voltage and/or the driving current of the backlight 23 driven by the backlight driving chip 24 are changed, so as to change the brightness of the backlight 23, and further change the light emitting brightness of the light engine 20.
Illustratively, the configuration parameters of the backlight driving chip 24 are continuously adjusted until the actually detected difference between the light emitting brightness of the light engine 20 and the theoretical target brightness is smaller than the preset value. For example, actual tests have resulted in light emission luminances of values close to 500nit, e.g., 498nit.
S205, obtaining a brightness-power consumption test curve of the optical machine according to the current, the voltage and the brightness.
And S206, obtaining configuration parameters of the backlight driving chip.
In this step, after the difference between the luminance and the theoretical target luminance is smaller than the preset value, the configuration parameters of the backlight driver chip 24 are saved.
And S207, acquiring a brightness-configuration parameter correspondence table of the backlight driving chip according to the configuration parameters and the brightness.
The method for testing the augmented reality glasses provided by the embodiment of the invention can be used for obtaining the brightness-power consumption test curve of the optical machine. A luminance-configuration parameter correspondence table of the backlight driving chip 24 can also be obtained. The augmented reality glasses are tested, and reference basis is provided for a user. That is to say, in the embodiment of the present invention, the configuration parameters corresponding to the backlight driving chips of the respective luminances are calibrated by controlling the luminance adjusting unit, and the power consumption result at the corresponding luminance can be obtained.
Step S201 may be performed before step S206. The above step S201 may be located after at least one of the steps S202, S203, S204, and S205. At least one of the step S206 and the step S207 may be before the step S205.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. The utility model provides a testing arrangement of augmented reality glasses, augmented reality glasses include the ray apparatus, its characterized in that, testing arrangement includes:
the current acquisition board card is used for acquiring the current of the optical machine;
the voltage acquisition board card is used for acquiring the voltage of the optical machine;
the brightness test unit is used for obtaining the brightness of the light machine;
and the processing unit is electrically connected with the current acquisition board card, the voltage acquisition board card and the brightness test unit and acquires a brightness-power consumption test curve of the optical machine according to the current, the voltage and the luminous brightness.
2. The testing device of claim 1, further comprising:
and the brightness adjusting unit is used for adjusting the brightness of the optical machine and is electrically connected with the processing unit.
3. The testing device of claim 1, wherein the optical engine comprises a screen, a screen driving chip, a backlight driving chip;
the current collecting board card is electrically connected with at least one current test point on the screen, at least one current test point on the screen driving chip, at least one current test point on the backlight and at least one current test point on the backlight driving chip.
4. The test device of claim 3, wherein the current collection board includes a plurality of constantan wires, one of the constantan wires electrically connected to one of the current test points.
5. The testing device of claim 1, wherein the optical engine comprises a screen, a screen driving chip, a backlight, and a backlight driving chip;
the voltage acquisition board card is electrically connected with at least one voltage test point on the screen, at least one voltage test point on the screen driving chip, at least one voltage test point on the backlight and at least one voltage test point on the backlight driving chip.
6. A testing method of augmented reality glasses, wherein the augmented reality glasses comprise an optical machine, the testing method comprising:
acquiring the current of the optical machine;
acquiring the voltage of the optical machine;
acquiring the luminous brightness of the optical machine;
and acquiring a brightness-power consumption test curve of the optical machine according to the current, the voltage and the luminous brightness.
7. The testing method of claim 6, wherein the optical engine comprises a screen, a screen driving chip, a backlight, and a backlight driving chip;
obtaining a current of the optical machine, including:
the method comprises the steps of obtaining the current of at least one current test point on the screen, obtaining the current of at least one current test point on the screen driving chip, obtaining the current of at least one current test point on the backlight, and obtaining the current of at least one current test point on the backlight driving chip.
8. The testing method of claim 6, wherein the optical engine comprises a screen, a screen driving chip, a backlight, and a backlight driving chip;
acquiring the voltage of the optical machine, including:
the method comprises the steps of obtaining the voltage of at least one voltage test point on the screen, obtaining the voltage of at least one voltage test point on the screen driving chip, obtaining the voltage of at least one voltage test point on the backlight, and obtaining the voltage of at least one voltage test point on the backlight driving chip.
9. The testing method of claim 6, wherein the optical engine comprises a screen, a screen driving chip, a backlight, and a backlight driving chip;
the test method further comprises the following steps:
acquiring configuration parameters of the backlight driving chip;
and acquiring a brightness-configuration parameter corresponding table of the backlight driving chip according to the configuration parameters and the brightness.
10. The testing method according to claim 9, further comprising, before obtaining the configuration parameters of the backlight driving chip:
setting theoretical target brightness;
obtain the luminance of ray apparatus includes:
and adjusting the configuration parameters until the difference value between the luminous brightness and the theoretical target brightness is less than a preset value.
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