Eye pitch testing equipment and eye pitch testing method

Abstract

The invention provides an eye distance testing device and an eye distance testing method.The eye distance testing device is used for simulating and measuring the distance between human eyes and a lens of a head-mounted display device, the eye distance testing device comprises a supporting base, a testing piece and a head mold, the supporting base is covered with the head mold, and the head-mounted display device is worn on the head mold; the testing piece comprises a driving piece and a telescopic rod in transmission connection with the driving piece, the driving piece is installed on the supporting base, through holes are formed in the positions, corresponding to the human eyes, of the head mold, the size of the telescopic rod is smaller than that of the through holes, and the driving piece is used for driving the telescopic rod to move to the lens along the central axis of the through holes and recording the distance of the telescopic rod moving to the lens from the through holes. The eye distance test equipment can detect eye distances of people with different head shapes, and further obtain the field angle parameter, so that a virtual reality device or an augmented reality device is adjusted according to the head shape of a user, and the use comfort of the user is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of eye distance testing equipment, and in particular to an eye distance testing equipment and an eye distance testing method. Background Art

[0002] With the construction of the concept of the metaverse, VR (Virtual Reality) and AR (Augmented Reality) technologies are booming. The user's experience in the virtual world is closely related to visual comfort, which needs to be considered during the development process. Among them, the size of FOV (Field of View) is an important factor affecting visual comfort. The actual FOV obtained by the user is related to the distance from the user's pupil to the VR / AR lens. Due to different head shapes, the eye distance of different people wearing the same VR / AR is not the same. However, the VR / AR devices made with the same eye distance in the prior art cannot meet the needs of different users.

[0003] In view of this, it is necessary to provide a new eye distance testing device and an eye distance testing method to solve or at least alleviate the above technical defects. Summary of the invention

[0004] The main purpose of the present invention is to provide an eye distance testing device and an eye distance testing method, aiming to solve the technical problem that VR / AR devices in the prior art cannot meet the needs of different users.

[0005] To achieve the above-mentioned purpose, according to one aspect of the present invention, the present invention provides an eye distance testing device for simulating the measurement of the distance between a human eye and a lens of a head-mounted display device, comprising a support seat, a test piece and a head mold, wherein the head mold cover is arranged on the support seat, and the head-mounted display device is worn on the head mold, and the test piece comprises a driving member and a telescopic rod transmission-connected to the driving member, wherein the driving member is installed on the support seat, and the head mold is provided with a through hole corresponding to the position of the human eye, and the size of the telescopic rod is smaller than the size of the through hole, and the driving member is used to drive the telescopic rod to move along the central axis of the through hole to the lens, and record the distance that the telescopic rod moves from the through hole to the lens.

[0006] In one embodiment, the support base includes a base plate and a first support component and two second support components arranged on the base plate, the two second support components are respectively arranged on two opposite sides of the first support component, the first support component is provided with two through holes, and each of the second support components is provided with the test piece.

[0007] In one embodiment, each of the first supporting assemblies includes a supporting plate, a mounting frame, an adjusting member and a fixing plate, wherein the mounting frame is arranged on the supporting plate, and the driving member is installed on the mounting frame; the adjusting member is installed on the supporting plate, and the fixing plate is connected to the adjusting member to adjust the position of the fixing plate, and the fixing plate is used to fix the ear position of the head model.

[0008] In one embodiment, the adjusting member includes a connecting frame, a connecting plate, a first adjusting sub-member and a second adjusting sub-member, the first adjusting sub-member includes a first slide and a slider slidably mounted on the first slide, the second adjusting sub-member includes a second slide, the fixed plate is slidably mounted on the second slide, the connecting frame connects the support plate and the first slide, and the connecting plate connects the slider and the second slide.

[0009] In one embodiment, the connecting frame includes two U-shaped frames, the U-shaped frame includes a bottom edge and side edges respectively arranged on both sides of the bottom edge, a groove is formed on the support plate, the bottom edge is arranged in the groove, and the side edges are connected to the first slide frame.

[0010] In one embodiment, the mounting frame is formed with a first mounting hole, and a plurality of second mounting holes are provided on the support plate. The first mounting hole can be detachably connected to any group of the second mounting holes through threaded fasteners to adjust the position of the test piece.

[0011] In one embodiment, the first slide frame includes a plurality of first slide bars arranged in parallel along a first direction, the slider is slidably mounted on the first slide bars, the second slide frame includes a plurality of second slide bars arranged in parallel along a second direction, the fixed plate is slidably mounted on the second slide bars, and the first direction and the second direction are perpendicular to each other.

[0012] In one embodiment, the fixing plate is provided with a first threaded hole, and the connecting plate is provided with multiple groups of second threaded holes, and the first threaded hole can be detachably connected to any group of the second threaded holes through threaded fasteners to adjust the position of the fixing plate.

[0013] In one embodiment, the support base further includes a support column, which is mounted on the bottom plate and is used to support the top of the head mold.

[0014] In one embodiment, the driving member is a stepping motor, and the telescopic rod is a lead screw.

[0015] In one embodiment, the center of the through hole and the center of the lens are on the same straight line.

[0016] According to another aspect of the present invention, the present invention further provides an eye distance testing method, the testing method is applied to the above-mentioned eye distance testing device, and the eye distance testing method comprises the following steps:

[0017] Putting the head mounted display device on the head model;

[0018] Controlling the driving member to drive the telescopic rod to move to the through hole position of the head mold;

[0019] Controlling the driving member to drive the telescopic rod to move toward the lens until the driving member touches the lens and stops moving;

[0020] Obtaining the eye distance according to the moving distance of the telescopic rod;

[0021] The field of view angle is calculated according to the interocular distance and the radius of the lens.

[0022] In the above scheme, the head mold is a model of the outer contour of a person's head. The head and facial features are obtained by an algorithm and divided into different categories to describe the overall distribution of the head and facial features of the crowd, and different types of head molds are produced. The relative positions of the eyes and foreheads of different types of head molds are different. This scheme measures the eye distance of different types of people by replacing head molds of different categories, and then calculates the actual field of view angle. According to whether the calculated field of view angle value is within the preset range, it is confirmed whether the design of the virtual reality device or the augmented reality device is reasonable. If it is unreasonable, it is adjusted. The eye distance refers to the distance from the pupil position of the human eye to the lens of the worn virtual reality device or augmented reality device. Specifically, a through hole is provided on the head mold to indicate the eye position of the person. First, the head mold is worn on the support seat, and the end of the telescopic rod away from the driving member is moved to the through hole position, that is, the eye position of the head mold by the driving member, and the first position parameter at this time is recorded. Then, the telescopic rod is driven to continue to move toward the outside of the head mold until it contacts the lens, and the second position parameter is recorded. The distance difference between the second position parameter and the first position parameter is the eye distance. This embodiment can detect the eye distance of people with different head shapes, and then obtain field of view angle parameters, so as to adjust the virtual reality device or augmented reality device according to the user's head shape, thereby improving the user's comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0024] Figure 1 It is a partial structural schematic diagram of an eye distance testing device according to an embodiment of the present invention;

[0025] Figure 2 It is a schematic diagram of the three-dimensional structure of a viewing angle of a support base and a test piece of an eye distance test device according to an embodiment of the present invention;

[0026] Figure 3 It is a schematic diagram of the three-dimensional structure of another viewing angle of the support base and the test piece of the eye distance testing device according to an embodiment of the present invention;

[0027] Figure 4 It is a schematic diagram of the three-dimensional structure of a test piece and a mounting frame of an eye distance test device according to an embodiment of the present invention;

[0028] Figure 5 It is a schematic diagram of the three-dimensional structure of the first supporting assembly and the test piece of the eye distance testing device according to an embodiment of the present invention;

[0029] Figure 6 It is a schematic diagram of the three-dimensional structure of the first supporting assembly of the eye distance testing device according to an embodiment of the present invention;

[0030] Figure 7 It is a partial three-dimensional structural schematic diagram of a first supporting assembly of an eye distance testing device according to an embodiment of the present invention;

[0031] Figure 8 It is a schematic diagram of another part of the three-dimensional structure of the first supporting assembly of the eye distance testing device according to an embodiment of the present invention;

[0032] Fig. 9 It is a schematic diagram of the exploded structure of the support plate and the U-shaped frame of the eye distance testing device according to an embodiment of the present invention;

[0033] Fig.10 Schematic diagram of the process of the eye distance testing method according to an embodiment of the present invention;

[0034] Fig.11 Schematic diagram of the eye distance testing method according to an embodiment of the present invention.

[0035] Description of labels:

[0036] 10. Support seat; 11. Bottom plate; 12. First support assembly; 121. Support plate; 1211. Groove; 1212. Second mounting hole; 122. Mounting frame; 1221. First mounting hole; 123. Fixing plate; 1231. First threaded hole; 1241. First adjusting sub-component; 12411. First slide; 124111. First slide bar; 12412. Sliding block; 1242. Second adjusting sub-component; 12421. Second slide; 124211. Second slide bar; 1243. Connecting frame; 12431. U-shaped frame; 124311. Bottom edge; 124312. Side edge; 1244. Connecting plate; 12441. Second threaded hole; 13. Second support assembly; 14. Support column; 2. Test piece; 21. Driving piece; 211. Stepping motor; 22. Telescopic rod; 221. Screw.

[0037] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with the implementation methods and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] It should be noted that all directional indications (such as up, down, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0040] In addition, in the present invention, the descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0041] Furthermore, the technical solutions between the various embodiments of the present invention may be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in the field. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0042] Reference Figure 1 to Figure 4According to one aspect of the present invention, the present invention provides an eye distance testing device for simulating the measurement of the distance between the human eye and the lens of a head mounted display device, comprising a support seat 10, a test piece 2 and a head mold, wherein the head mold cover is arranged on the support seat 10, and the head mounted display device is worn on the head mold, and the test piece 2 comprises a driving member 21 and a telescopic rod 22 which is transmission-connected to the driving member 21, and the driving member 21 is installed on the support seat 10, and the head mold is provided with a through hole corresponding to the position of the human eye, and the size of the telescopic rod 22 is smaller than the size of the through hole, and the driving member 21 is used to drive the telescopic rod 22 to move along the central axis of the through hole to the lens, and record the distance that the telescopic rod 22 moves from the through hole to the lens. In the above embodiment, the head mold is a model of the outer contour of a human head, and the head and facial features are obtained by an algorithm and divided into different categories, which are used to describe the overall distribution of the head and facial features of a crowd, and different types of head molds are produced. Different types of head models have different relative positions of eyes and foreheads. This solution measures the eye distance of different types of people by replacing different types of head models, and then calculates the actual field of view angle. According to whether the calculated field of view angle value is within the preset range, it is confirmed whether the design of the virtual reality device or augmented reality device is reasonable. If it is unreasonable, it is adjusted. Eye distance refers to the distance from the pupil position of the human eye to the lens of the worn virtual reality device or augmented reality device. Specifically, a through hole is provided on the head model to indicate the eye position of the person. The size of the telescopic rod 22 is smaller than the size of the through hole so that the telescopic rod 22 can pass through the through hole and move along the central axis of the through hole to the lens position of the head-mounted display device, and the driving member 21 can record the distance that the telescopic rod 22 moves from the through hole to the lens. First, the head model is worn on the support seat 10, the head-mounted display device is worn on the head model, and the end of the telescopic rod 22 away from the driving member 21 is moved to the through hole position, that is, the eye position of the head model by the driving member 21, and the first position parameter at this time is recorded. Then, the telescopic rod 22 is driven to continue moving toward the outside of the head mold until it contacts the lens, and the second position parameter is recorded. The difference between the second position parameter and the first position parameter is the eye distance. This embodiment can detect the eye distance of people with different head shapes, and then obtain the field of view angle parameter, so as to adjust the virtual reality device or augmented reality device according to the user's head shape, thereby improving the user's comfort.

[0043] It should be noted that, in the embodiment of the present invention, a plurality of different head models can be used in conjunction with the above-mentioned eye distance testing device, and the size parameters of different head models can be different. For the same head mounted display device, the eye distances corresponding to different head models can be different. In the actual testing process, one head model can be selected each time to measure the eye distance corresponding to the head model.

[0044] In one embodiment, the center of the through hole is in the same straight line as the center of the lens, and the center of the lens is in a straight line with the central axis of the through hole. The center of the simulated human eye is aligned with the center position of the lens, so that the field of view angle calculated based on the measured interocular distance is more accurate.

[0045] Reference Figure 1 In one embodiment, the support base 10 includes a base plate 11 and a first support assembly 12 and two second support assemblies 13 arranged on the base plate 11. The two second support assemblies 13 are respectively arranged on opposite sides of the first support assembly 12. Two through holes are arranged on the first support assembly 12, and each second support assembly 13 is provided with a test piece 2.

[0046] The bottom plate 11 plays a supporting role. When the head model is placed on the support seat 10, the first support component 12 is used to support the face position and nose of the head model. The two second support components 13 are used to support the left and right sides of the head model respectively. The left and right sides are the two sides where the two ears are located. Because a person has two eyes, two through holes are provided on the first support component 12. A test piece 2 is provided on each of the two second support components 13. The two test pieces 2 are independent of each other and can measure two eye distances. This embodiment supports the head model from various positions of the head model through the first support component 12 and the second support component 13 to ensure that the head model is firmly installed and will not shake during the measurement process.

[0047] Reference Figure 2 , Figure 3 , Figure 5 and Figure 6 In one embodiment, each first support assembly 12 includes a support plate 121, a mounting frame 122, an adjusting member and a fixing plate 123. The mounting frame 122 is arranged on the support plate 121, and the driving member 21 is installed on the mounting frame 122; the adjusting member is installed on the support plate 121, and the fixing plate 123 is connected with the adjusting member to adjust the position of the fixing plate 123, and the fixing plate 123 is used to fix the ear position of the head model. The support plate 121 is used to play a supporting role, the mounting frame 122 is installed on the support plate 121, and the driving member 21 is installed on the mounting frame 122, and the mounting frame 122 is used to provide a mounting position for the driving member 21; the fixing plate 123 is used to fix the ear position of the head model, and the adjusting member can adjust the position of the fixing plate 123 so that the two fixing plates 123 are respectively moved to the two ear positions of the head model, so as to be suitable for head models of different shapes.

[0048] Reference Figures 5 to 8In one embodiment, the adjusting member includes a connecting frame 1243, a connecting plate 1244, a first adjusting sub-member 1241 and a second adjusting sub-member 1242, the first adjusting sub-member 1241 includes a first slide 12411 and a slider 12412 slidably mounted on the first slide 12411, the second adjusting sub-member 1242 includes a second slide 12421, the fixing plate 123 is slidably mounted on the second slide 12421, the connecting frame 1243 connects the supporting plate 121 and the first slide 12411, and the connecting plate 1244 connects the slider 12412 and the second slide 12421. The connecting frame 1243 serves to connect the supporting plate 121 and the first slide 12411, and is used to provide a mounting position for the first slide 12411. The slider 12412 is slidably mounted on the first slide 12411. The slider 12412 can drive the connecting plate 1244 to move together. The movement of the connecting plate 1244 can drive the second slide 12421 to move, and then drive the fixed plate 123 to move; and the fixed plate 123 can move on the second slide 12421, and the slider 12412 is mounted on the first slide 12411. The movement direction on 2411 can be set to be perpendicular to the movement direction of the fixing plate 123 on the second slide 12421. In this way, the position of the fixing plate 123 can be adjusted by the adjusting member, so as to be suitable for different types of head molds. Specifically, the connecting frame 1243 and the supporting plate 121 and the first slide 12411, the connecting plate 1244 and the slider 12412 and the second slide 12421 can all be connected by threaded fasteners. After being adjusted to a suitable position, they can be locked and fixed by the threaded fasteners. The threaded fasteners are very convenient for installation and disassembly.

[0049] Reference Fig. 9 In one embodiment, the connecting frame 1243 includes two U-shaped frames 12431, and the U-shaped frames 12431 include a bottom edge 124311 and side edges 124312 respectively arranged on both sides of the bottom edge 124311. A groove 1211 is formed on the support plate 121, and the bottom edge 124311 is arranged in the groove 1211, and the side edges 124312 are connected to the first slide 12411. Specifically, there are two grooves 1211, which are respectively arranged at the top and near the bottom of the support plate 121. The openings of the two U-shaped frames 12431 are arranged opposite to each other, and the groove 1211 is arranged to accommodate the bottom edge 124311 of the U-shaped frame 12431, which can play a role in positioning and firmly installing. Specifically, the U-shaped frame 12431 can be connected to the support plate 121 by a threaded fastener.

[0050] Reference Figure 5 and Fig. 9In one embodiment, the mounting frame 122 is formed with a first mounting hole 1221, and a plurality of groups of second mounting holes 1212 are provided on the support plate 121. The first mounting hole 1221 can be detachably connected with any group of the second mounting holes 1212 through threaded fasteners to adjust the position of the driving member 21. A plurality of groups of second mounting holes 1212 are provided on the support plate 121, and the first mounting hole 1221 can be connected with any group of the second mounting holes 1212. By connecting with different groups of second mounting holes 1212, the position of the mounting frame 122 on the support plate 121 can be adjusted, and then the position of the test piece 2 can be adjusted, that is, the position of the test piece 2 can be adjusted according to the position of the through hole corresponding to different head molds, so that the telescopic rod 22 can pass through along the central axis direction of the through hole, which is convenient for testing.

[0051] Reference Figure 7 and Figure 8 In one embodiment, the first slide 12411 includes a plurality of first slide bars 124111 arranged in parallel along a first direction, the slider 12412 is slidably mounted on the first slide bars 124111, the second slide 12421 includes a plurality of second slide bars 124211 arranged in parallel along a second direction, the fixed plate 123 is slidably mounted on the second slide bars 124211, and the first direction and the second direction are perpendicular to each other. Specifically, the number of the first slide bars 124111 can be three, the sliders 12412 are respectively mounted on the first slide bars 124111, and the provision of three first slide bars 124111 can ensure that the slider 12412 slides stably, the number of the second slide bars 124211 can also be three, and the fixed plate 123 is respectively mounted on the three second slide bars 124211 to ensure that the fixed plate 123 can slide stably.

[0052] Reference Figure 7 and Figure 8 In one embodiment, the fixing plate 123 is provided with a first threaded hole 1231, and the connecting plate 1244 is provided with a plurality of groups of second threaded holes 12441. The first threaded hole 1231 can be detachably connected with any group of second threaded holes 12441 through threaded fasteners to adjust the position of the fixing plate 123. The connecting plate 1244 is provided with a plurality of groups of second threaded holes 12441, so that when the fixing plate 123 is moved to different positions, the fixing plate 123 can be fixed to the connecting plate 1244 through any group of second threaded holes 12441, ensuring that the fixing plate 123 remains stationary after the position adjustment is completed.

[0053] Reference Figure 1 to Figure 3In one embodiment, the support seat 10 further includes a support column 14, which is mounted on the bottom plate 11 and used to support the top of the head mold. One end of the support column 14 is mounted on the bottom plate 11, and the other end is used to abut against the top of the head mold to play a role in forming. Specifically, the end of the support column 14 away from the bottom plate 11 can be made into an I-shaped shape to increase the contact area and reduce the pressure on the head mold.

[0054] In one embodiment, the driving member 21 is a stepper motor 211, and the telescopic rod 22 is a screw 221. The stepper motor 211 drives the screw 221 to rotate so that the screw 221 moves along its own central axis, and can record the distance moved by the screw 221. When the test is completed, the value of the eye distance can be obtained directly through the signal sent by the stepper motor 211. In addition, a pressure sensor can be set at the end of the screw 221 away from the stepper motor 211. When one end of the screw 221 hits the lens, it means that the test end point has been reached, and the torque will suddenly increase. At this time, the pressure sensor senses the increase in pressure and sends a signal to the stepper motor 211, causing the stepper motor 211 to stop moving. This embodiment can improve detection accuracy and prevent equipment damage.

[0055] Reference Fig.10 , Fig.10 1 is a flow chart of an eye distance testing method according to an embodiment of the present invention. The eye distance testing method is applied to the above-mentioned eye distance testing device. The testing method comprises the following steps:

[0056] S100, putting the head mounted display device on the head model;

[0057] The head mounted display device here may be a virtual reality device or an augmented reality device, such as VR glasses or AR glasses, and the VR glasses or AR glasses have lenses;

[0058] S200, controlling the driving member to drive the telescopic rod to move to the through hole position of the head mold;

[0059] First, drive the telescopic rod to the through hole position of the head mold. The through hole of the head mold corresponds to the position of the human eye. The human eye position is used as the starting point of measurement.

[0060] S300, controlling the driving member to drive the telescopic rod to move toward the lens until the driving member touches the lens and stops moving;

[0061] The interocular distance is the distance between the human eye and the lens. Here, the through hole position is used as the starting point to drive the telescopic rod toward the lens until it stops after touching the lens. In this way, the distance the telescopic rod moves is the interocular distance.

[0062] S400, obtaining the eye distance according to the moving distance of the telescopic rod;

[0063] The distance the telescopic rod moves from the through-hole position to the time it touches the lens is the value of the interocular distance;

[0064] S500: Calculate the field of view angle according to the interocular distance and the radius of the lens.

[0065] The field of view angle can be calculated based on the value of the interocular distance and the radius of the lens. Fig.11 In the figure, er represents the eye distance, r represents the radius of the lens, and A is the field of view angle we need to measure. By calculating the tangent value of the triangle, we can get the angle A / 2, and then get the value of the field of view angle A.

[0066] In the above-mentioned embodiment of the present invention, the head mold is a model of the outer contour of a person's head. The head and facial features are obtained by an algorithm and divided into different categories to describe the overall distribution of the head and facial features of the crowd, and different types of head molds are produced. The relative positions of the eyes and foreheads of different categories of head molds are different. This solution measures the eye distance of different types of people by replacing different categories of head molds, and then calculates the actual field of view angle. According to whether the calculated field of view angle value is within the preset range, it is confirmed whether the design of the virtual reality device or the augmented reality device is reasonable. If it is unreasonable, it is adjusted. The eye distance refers to the distance from the pupil position of the human eye to the lens of the worn virtual reality device or augmented reality device. This embodiment can detect the eye distance of people with different head shapes, and then obtain the field of view angle parameter, so as to adjust the virtual reality device or the augmented reality device according to the user's head shape, and improve the user's comfort.

[0067] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and do not limit the patent scope of the present invention; although the present application is described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that under the technical concept of the present invention, the technical solutions recorded in the aforementioned embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; or directly / indirectly applied to other related technical fields, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in each embodiment can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. An eye distance testing device, used for simulating the measurement of the distance between a human eye and a lens of a head mounted display device, characterized in that: The invention comprises a support base, a test piece and a head mold, wherein the head mold cover is arranged on the support base, the head mounted display device is worn on the head mold, the test piece comprises a driving member and a telescopic rod which is transmission-connected with the driving member, the driving member is installed on the support base, a through hole is arranged on the head mold corresponding to the position of the human eye, the size of the telescopic rod is smaller than the size of the through hole, the driving member is used for driving the telescopic rod to move along the central axis of the through hole to the lens, and recording the distance the telescopic rod moves from the through hole to the lens.

2. The eye distance testing device according to claim 1, characterized in that: The support base includes a base plate and a first support component and two second support components arranged on the base plate, the two second support components are respectively arranged on two opposite sides of the first support component, the first support component is provided with two through holes, and each of the second support components is provided with a test piece.

3. The eye distance testing device according to claim 2, characterized in that: Each of the first supporting assemblies includes a supporting plate, a mounting frame, an adjusting member and a fixing plate, wherein the mounting frame is arranged on the supporting plate, and the driving member is installed on the mounting frame; the adjusting member is installed on the supporting plate, and the fixing plate is connected to the adjusting member to adjust the position of the fixing plate, and the fixing plate is used to fix the ear position of the head model.

4. The eye distance testing device according to claim 3, characterized in that: The adjusting component includes a connecting frame, a connecting plate, a first adjusting sub-component and a second adjusting sub-component, the first adjusting sub-component includes a first slide and a slider slidably mounted on the first slide, the second adjusting sub-component includes a second slide, the fixing plate is slidably mounted on the second slide, the connecting frame connects the supporting plate and the first slide, and the connecting plate connects the slider and the second slide.

5. The eye distance testing device according to claim 4, characterized in that: The connecting frame includes two U-shaped frames, and the U-shaped frame includes a bottom edge and side edges respectively arranged on both sides of the bottom edge. A groove is formed on the support plate, the bottom edge is arranged in the groove, and the side edges are connected to the first slide frame.

6. The eye distance testing device according to claim 4, characterized in that: The mounting frame is formed with a first mounting hole, and the support plate is provided with a plurality of groups of second mounting holes. The first mounting hole can be detachably connected to any group of the second mounting holes through threaded fasteners to adjust the position of the test piece.

7. The eye distance testing device according to claim 4, characterized in that: The first slide frame includes a plurality of first slide bars arranged in parallel along a first direction, the slider is slidably mounted on the first slide bars, the second slide frame includes a plurality of second slide bars arranged in parallel along a second direction, the fixed plate is slidably mounted on the second slide bars, and the first direction and the second direction are perpendicular to each other.

8. The eye distance testing device according to claim 4, characterized in that: The fixing plate is provided with a first threaded hole, and the connecting plate is provided with a plurality of groups of second threaded holes. The first threaded hole can be detachably connected with any group of the second threaded holes through threaded fasteners to adjust the position of the fixing plate.

9. The eye distance testing device according to any one of claims 1 to 8, characterized in that: The support seat also includes a support column, which is installed on the bottom plate and is used to support the top of the head mold.

10. The eye distance testing device according to any one of claims 1 to 8, characterized in that The driving member is a stepping motor, and the telescopic rod is a screw rod.

11. The eye distance testing device according to any one of claims 1 to 8, characterized in that The center of the through hole is in the same straight line as the center of the lens.

12. A method for testing eye distance, the method for testing eye distance being applied to the eye distance testing device according to any one of claims 1 to 11, characterized in that: The eye distance testing method comprises the following steps: Putting the head mounted display device on the head model; Controlling the driving member to drive the telescopic rod to move to the through hole position of the head mold; Controlling the driving member to drive the telescopic rod to move toward the lens until the driving member touches the lens and stops moving; The eye distance is obtained according to the moving distance of the telescopic rod.

Images