CN109643022A - Diopter adjusts display device and head-wearing display device - Google Patents
Diopter adjusts display device and head-wearing display device Download PDFInfo
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- CN109643022A CN109643022A CN201780053571.3A CN201780053571A CN109643022A CN 109643022 A CN109643022 A CN 109643022A CN 201780053571 A CN201780053571 A CN 201780053571A CN 109643022 A CN109643022 A CN 109643022A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
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Abstract
A kind of diopter adjusts display device and head-wearing display device, and it includes: eyepiece mould group (110) that diopter, which adjusts display device,；Driving gear (120)；Driven gear (130)；Screen mould group (140)；Potentiometer (150), including resistor body (151) and at least one movable contact (152)；When driving gear (120) drive the driven gear (130) rotation, movable contact (152) is in contact with the different location of resistor body (151), and potentiometer (150) exports different electric potential signals；Storage unit (160) stores the incidence relation of electric potential signal and diopter；Processing unit (170), it is electrically connected with potentiometer (150), storage unit (160) and screen mould group (140), the incidence relation that the electric potential signal and storage unit (160) that processing unit (170) is exported according to potentiometer (150) are stored determines the corresponding diopter of electric potential signal and shows diopter in the screen mould group (140).Improve the experience of user.
Description
The present invention relates to a kind of diopters to adjust display device and head-wearing display device.
Existing virtual reality device such as VR (Virtual Reality, VR) glasses, head-mounted display (Head Mount Display,) etc. HMD when carrying out diopter adjusting, user can not be intuitive to see the diopter degree of adjusting on a display screen, affect the experience of user.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that providing a kind of diopter adjusts display device and head-wearing display device.The diopter that adjusting can be seen in screen mould group, improves the experience of user.
In order to solve the above-mentioned technical problem, first aspect present invention embodiment provides a kind of diopter adjusting display device, comprising:
Eyepiece mould group；
Screen mould group；
Driving gear is mounted in the eyepiece mould group；
Driven gear is rotatably sleeved in the eyepiece mould group, and mutually ratcheting with the driving gear；The driving gear Forced rotation drives the driven gear rotation, and the rotation of the driven gear changes the relative distance between the screen mould group and the eyepiece mould group to adjust diopter；
Potentiometer, including resistor body and at least one movable contact；One of the resistor body and the movable contact are located on the driven gear, another is located on the driving gear, when the driving gear drives driven gear rotation, the movable contact is in contact with the different location of the resistor body, and the potentiometer exports different electric potential signals；
Storage unit stores the incidence relation of the electric potential signal and diopter；
Processing unit is electrically connected with the potentiometer, the storage unit and the screen mould group, and the incidence relation that the electric potential signal and the storage unit that the processing unit is exported according to the potentiometer are stored is true
The fixed corresponding diopter of the electric potential signal simultaneously shows the diopter in the screen mould group.
Second aspect of the present invention embodiment provides a kind of head-wearing display device, adjusts display device including above-mentioned diopter.
The implementation of the embodiments of the present invention has the following beneficial effects:
Since the driving gear stress drives the driven gear rotation, the rotation of the driven gear changes the relative distance between the screen mould group and the eyepiece mould group to adjust diopter, one of the resistor body and the movable contact are located on driven gear, another is located on driving gear, when the driving gear drives driven gear rotation, movable contact is in contact with the different location of the resistor body, the potentiometer exports different electric potential signals, the storage unit stores the incidence relation of the electric potential signal and diopter, the processing unit respectively with the potentiometer, storage unit and screen mould group electrical connection, the incidence relation that the electric potential signal and the storage unit that the processing unit is exported according to potentiometer are stored determines the corresponding diopter of the electric potential signal and shows the diopter in screen mould Group.To which when user adjusts diopter, diopter can be shown in screen mould group, improve the experience of user.
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, the drawings to be used in the description of the embodiments or prior art will be briefly described below, apparently, drawings in the following description are only some embodiments of the invention, for those of ordinary skill in the art, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is that one embodiment of the invention diopter adjusts display device perspective view；
Fig. 2 is the explosive view that one embodiment of the invention diopter adjusts display device；
Fig. 3 be one embodiment of the invention potentiometer, processing unit, storage unit module map；
Fig. 4 is the perspective view of one embodiment of the invention screen mould group；
Fig. 5 is the perspective view of one embodiment of the invention driving gear；
Fig. 6 is the perspective view of one embodiment of the invention driven gear.
Following will be combined with the drawings in the embodiments of the present invention, and technical scheme in the embodiment of the invention is clearly and completely described, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, shall fall within the protection scope of the present invention.
The term " includes " and " having " and their any deformations occurred in present specification, claims and attached drawing, it is intended that cover and non-exclusive include.Such as it contains the process, method, system, product or equipment of a series of steps or units and is not limited to listed step or unit, but optionally further comprising the step of not listing or unit, or optionally further comprising other step or units intrinsic for these process, methods, product or equipment.In addition, term " first ", " second " and " third " etc. are and to be not intended to describe specific sequence for distinguishing different objects.
The embodiment of the present invention provides a kind of diopter adjusting display device,-Fig. 3 referring to Figure 1, it includes eyepiece mould group 110, screen mould group 140, driving gear 120, driven gear 130, potentiometer 150, storage unit 160 and processing unit 170 that the diopter, which adjusts display device,.
The eyepiece mould group 110 is used to observe to the eyes of user far from 130 one end of driven gear.
The screen mould group 140 is socketed in the eyepiece mould group 110, the screen mould group 140 can be mobile to change the distance between screen mould group 140 and eyepiece mould group 110 relative to the eyepiece mould group 110, to adjust the diopter of display device (not shown).Specifically, the screen mould group 140 can be close to the eyepiece mould group 110 or far from the eyepiece mould group 110, so as to change diopter.In the present embodiment, it is known that the opposite eyepiece mould group 110 of the screen mould group 140, which is located at corresponding diopter when different location, such as has been determined through experimentation the mobile diopter at different location (i.e. screen mould group 140 is apart from the distance between eyepiece mould group 110 difference) of screen mould group 140.
Referring to Figure 1, Fig. 2 and Fig. 5, the driving gear 120 are mounted in eyepiece mould group 110.In the present embodiment, the driving gear 120 is mounted on the top of the eyepiece mould group 110, and in other embodiments, the driving gear 120 can also be mounted on eyepiece mould group other positions, such as left side side or right side side etc..
In order to be limited to driving gear 120 and user be facilitated to manually adjust driving gear 120, in the present embodiment, it further includes adjusting knob 111, upper mounting seat 112 and lower mounting seat 113 that the diopter, which adjusts display device,.The lower mounting seat 113 is fixedly mounted in the eyepiece mould group 110, and the driving gear 120 is clamped between the upper mounting seat 112 and lower mounting seat 113.Specifically, the driving gear 120
Including gear 121 and installation axle 123, the gear 121 is equipped with grinding tooth, the upper mounting seat 112 is equipped with through-hole, the gear 121 is between lower mounting seat 113 and upper mounting seat 112, and the installation axle 123 is pierced by the through-hole of the upper mounting seat 112 and the adjusting knob 111 is assembled together.Particularly, the adjusting knob 111 is equipped with mounting hole (not shown), the installation axle 123 is installed to mounting hole to realize that the adjusting knob 111 is fixed together with the driving gear 120, namely when user rotates adjusting knob 111 by hand, the driving gear 120 is rotated synchronously.
Referring to Figure 1, Fig. 2 and Fig. 6, the driven gear 130 are rotatably socketed in the eyepiece mould group 110, and the driven gear 130 and the driving gear 120 are ratcheting.120 Forced rotation of driving gear drives the driven gear 130 to rotate, and the rotation of the driven gear 130 changes the relative distance between the screen mould group and the eyepiece mould group to adjust the diopter of display device.In the present embodiment, the rotational plane of the driven gear 130 is vertical with the mobile route of the screen mould group 140.In the present embodiment, 130 center of driven gear has a big through hole 131, the driven gear 130 be socketed on one end of the eyepiece mould group 110 and one end of screen mould group 140 on, the driven gear 130 is equipped with notch close to the side of eyepiece mould group 110, and the indentation, there is equipped with grinding tooth.The grinding tooth of the driving gear 120 and the grinding tooth of the driven gear 130 are ratcheting, thus, the rotation of driving gear 120 drives the driven gear 130 to rotate.
In the present embodiment, the rotational plane of the driven gear 130 and the rotational plane of the driving gear 120 are orthogonal.In the present embodiment, the rotational plane of the driving gear 120 is horizontal plane, and the rotational plane of the driven gear 130 is vertical plane, since the rotational plane of described two gears is mutually perpendicular to, so as to save space.In the present embodiment, the driving gear 120 and the driven gear 130 are bevel gear, with realize driving gear 120 rotational plane and driven gear 130 rotational plane it is vertical.
Fig. 2, Fig. 3, Fig. 5 and Fig. 6 are referred to, the potentiometer 150 includes resistor body 151 and at least one movable contact 152.In the present embodiment, the resistor body 151 is located on driven gear 130.Specifically, the resistor body 151 is circumferentially arranged on the driven gear 130.In the present embodiment, the number of the movable contact 152 is one, and elongated, the movable contact 152 is located on driving gear 120.When the driving gear 120 drives driven gear 130 to rotate, the different location of the movable contact 152 of strip is in contact with the different location of the resistor body 151, so that the potentiometer 150 be made to export different electric potential signals.In other embodiments, potentiometer 150 includes multiple movable contacts 152.The multiple is more than or equal to 2.Specifically, multiple movable contact 152 circumferentially sequential in the driving gear
On 120, such as, including 6 movable contacts 152, and 6 movable contacts 152 are circumferentially divided into six positions, respectively first position, the second position, the third place, the 4th position, the 5th position, the 6th position are located at the movable contact 152 on first position to the 6th position in 120 rotation process of driving gear and are in contact respectively with the resistor body 151.When the driving gear 120 drives driven gear 130 to rotate, the movable contact 152 of different location is in contact with the resistor body 151, so that the potentiometer 150 be made to export different electric potential signals.In the present embodiment, the electric potential signal is voltage value.In other embodiments, the electric potential signal can also be resistance value or current value etc..In the present embodiment, the resistor body 151 is electrically connected with power supply unit, such as, the both ends of the resistor body 151 are electrically connected with the positive and negative anodes of DC power supply, alternatively, one end of the resistor body 151 is electrically connected with DC power supply, other end electrical ground, to which different from the contact position of resistor body 151 according to movable contact 152, potentiometer 150 exports different voltage values.Certainly, in other embodiments, the movable contact may be located on driven gear, and the resistor body may be located on driving gear.
The storage unit 160 stores the incidence relation of the electric potential signal and diopter, and the incidence relation of the electric potential signal and diopter has following several in the present embodiment, is illustrated individually below.
1, the storage unit 160 is stored with electric potential signal-diopter table, the incidence relation between different potentials signal and different diopters that the electric potential signal-diopter table record has the potentiometer 150 to export, here, electric potential signal and diopter are one-to-one incidence relations, in the present embodiment, the electric potential signal is voltage value, and electric potential signal-diopter table is illustrated by taking voltage value-diopter table as an example, see table 1.
Table 1
| Voltage value | Diopter |
| 1V | -5D |
| 2V | -3D |
| 3V | -1D |
| 4V | 2D |
| 4.5V | 4D |
| 5V | 6D |
Different voltages value can be associated with corresponding diopter according to table 1, thus potentiometer 150
After the voltage value of output determines namely after electric potential signal is determining, and then it is obtained with corresponding diopter.
2, the storage unit 160 is stored with the relational expression for calculating the incidence relation between different electric potential signal and different diopters, and the relational expression can be linear relation, is also possible to curved line relation formula.In the present embodiment, the electric potential signal is voltage value, and the relational expression is see following:
Dn=(Vn-V0)/K+D0；
Wherein, K, V0, D0 are constants, and Vn is the voltage value of the potentiometer 150 output, and Dn is the diopter of diopter corresponding with the voltage value that the potentiometer 150 exports namely 140 present position of current screen mould group.
3, the storage unit 160 is stored with electric potential signal range-diopter table, the incidence relation namely the corresponding diopter of an electric potential signal range between different potentials range of signal and different diopters that the electric potential signal range-diopter table record has the potentiometer 150 to export.Here, the electric potential signal is voltage value, and the range of voltage values-diopter table is see table 2.
Table 2
| Range of voltage values | Diopter |
| 5V-4V (is free of 4V) | -5D |
| (4V-3.2V being free of 3.2V) | -3D |
| (3.2V-2.5V being free of 2.5V) | -1D |
| (2.5V-2.0V being free of 2.0V) | 2D |
| (2.0V-1.2V being free of 1.2V) | 4D |
| (1.2V-0V being free of 0V) | 6D |
Since movable contact 152 is in contact with the different location of resistor body 151, so that potentiometer 150 exports different electric potential signals, the electric potential signal range in table 2 is fallen into according to electric potential signal, and then obtain corresponding diopter.
Certainly, in other embodiments, the storage unit can also store electric potential signal and the associated other information of diopter, as long as electric potential signal can associate with diopter.
The processing unit 170 is electrically connected with the potentiometer 150, storage unit 160 and the screen mould group 140 respectively, and the processing unit 170 can obtain the electric potential signal of the output of potentiometer 150, according to electricity
The incidence relation that the electric potential signal and the storage unit 160 that position device 150 exports are stored determines the corresponding diopter of the electric potential signal and shows the diopter in the screen mould group.The electric potential signal incidence relation different from diopter stored below according to said memory cells 160 is described respectively.
1, when storage unit 160 stores electric potential signal-diopter table, since processing unit 170 is electrically connected with the potentiometer 150, to, when movable contact 152 is in contact with the different location of resistor 151, potentiometer 150 exports different electric potential signals at this time, processing unit 170 can obtain the electric potential signal, processing unit 170 searches electric potential signal-diopter table according to electric potential signal, to which processing unit 170 obtains diopter corresponding with the electric potential signal, processing unit 170 controls the screen mould group 140 and shows the diopter.It is illustrated below by voltage value citing of electric potential signal, refer to table 1, when it is 3V that processing unit, which obtains voltage value, the processing unit 170 removes look-up table 1 according to electric potential signal, corresponding diopter -1D, processing unit 170 control the screen mould group 140 and show the diopter -1D when to obtain with voltage value as 3V.
2, when storage unit 160 stores relational expression, since processing unit 170 is electrically connected with the potentiometer 150, to, when movable contact 152 is in contact with the different location of resistor 151, potentiometer 150 exports different electric potential signals at this time, the processing unit 170 can obtain electric potential signal, the processing unit 170 calculates according to electric potential signal and the relational expression and obtains diopter corresponding with the electric potential signal, and then the processing unit 170 controls the screen mould group 140 and shows the diopter.It is voltage value, is illustrated for above-mentioned relational expression by electric potential signal below, it is assumed that the voltage value that potentiometer 150 exports is V3, the processing unit 170 calculates according to voltage value V3 and the relational expression and obtains diopter corresponding with the electric potential signal, voltage value V3 is specifically substituted into above-mentioned relation formula, and then can to calculate acquisition diopter D3 corresponding with voltage value as follows for the processing unit 170:
D3=(V3-V0)/K+D0；
Since V0, K, D0 are constants, and current voltage V3 has been obtained, so that processing unit 170 can obtain the corresponding diopter D3 of voltage value, hereafter, the processing unit 170 controls the screen mould group 140 and shows diopter D3.
3, when storage unit 160 stores electric potential signal range-diopter table, since processing unit 170 is electrically connected with the potentiometer 150, to, when movable contact is in contact with the different location of resistor, potentiometer 150 exports different electric potential signals at this time, the processing unit 170 can obtain electric potential signal, and processing unit 170 goes to search electric potential signal range-diopter table according to electric potential signal, so that processing unit 170 can
To obtain the corresponding diopter of electric potential signal, specially processing unit 170 first determines which electric potential signal range electric potential signal falls into, and then determines corresponding diopter according to the electric potential signal range.Processing unit 170 controls the screen mould group 140 and shows the diopter.It is voltage value, is illustrated for table 2 by electric potential signal below, it is assumed that the voltage value that potentiometer 150 exports is 2.7V, it is 2.7V that processing unit 170, which can obtain voltage value, then processing unit 170 removes look-up table 2, know that voltage value 2.7V falls into the range of voltage values of 3.2V-2.5V (without 2.5V), determine that corresponding diopter is -1D according to the range of voltage values, to obtain corresponding diopter -1D, hereafter, the processing unit 170 controls the screen mould group 140 and shows the diopter -1D.
In the present embodiment, since 120 stress of driving gear drives the driven gear 130 to rotate, the rotation of the driven gear 130 changes the relative distance between the screen mould group 140 and the eyepiece mould group 110 to adjust diopter, one of the resistor body 151 and the movable contact 152 are located on driven gear 130, another is located on driving gear 120, when the driving gear 120 drives driven gear 130 to rotate, movable contact 152 is in contact with the different location of the resistor body 151, the potentiometer 150 exports different electric potential signals, the storage unit 160 stores the incidence relation of the electric potential signal and diopter, the processing unit 170 respectively with the potentiometer 150, storage unit 160 and the screen mould group 140 Electrical connection, the incidence relation that the electric potential signal and the storage unit that the processing unit 170 is exported according to potentiometer 150 are stored determine the corresponding diopter of the electric potential signal and show the diopter in screen mould group 140.To which when user adjusts diopter, diopter can be shown in screen mould group 140, improve the experience of user.
Fig. 2 and Fig. 4 are referred to, the screen mould group 140 includes display screen 143 and bracket 144, and the display screen 143 is mounted on bracket 144 and is electrically connected with the processing unit 170.The bracket 144 is cylindrical shape, and the bracket 144 is connect with the driven gear 130 and the eyepiece mould group 110 respectively.Particularly, the bracket 144 is socketed in affiliated eyepiece mould group 110, the driven gear 130 is socketed on the bracket 144, when the driven gear 130 is rotated relative to eyepiece mould group 110, the rotation of the driven gear 130 drives the bracket 144 mobile relative to the eyepiece mould group 110, to make screen mould group 140 change relative to the relative distance of the eyepiece mould group 110 movement namely screen mould group 140 and the eyepiece mould group 110.
In the present embodiment, in order to realize that the screen mould group 140 is mobile relative to the eyepiece mould group 110, even if the relative distance of screen mould group 140 and the eyepiece mould group 110 changes, in the present embodiment, please join
See Fig. 1, Fig. 2, Fig. 4 and Fig. 6, the eyepiece mould group 110 is equipped with sliding slot 114 close to 130 side of driven gear, and the sliding slot 114 is parallel with the central axis of the driven gear 130, namely parallel with the mobile route of the screen mould group 140.The quantity of the sliding slot 114 is two or other numbers in this embodiment, and the sliding slot 114 is located on the outer surface of the eyepiece mould group 110.In the present embodiment, 140 sets of the screen mould group in the eyepiece mould group 110, the screen mould group 140 be equipped with sliding shoe 141 corresponding with the sliding slot 114.The quantity of the sliding shoe 141 is also two or other numbers in the present embodiment, and the sliding shoe 141 is located on the inner sidewall of the screen mould group 140, and two sliding shoes 141 are corresponding to be located in two sliding slots 114；Removable guide post 142 is additionally provided in the screen mould group 140, the quantity of the guide post 142 is two or other numbers, and the screen mould group 140 is linked by guide post and the driven gear 130.In the present embodiment, the sliding shoe 141, the guide post 142 are all on the bracket 144 of the screen mould group 140.The driven gear 130 is equipped with arcuate socket 132, the arcuate socket 132 is extended by being laterally away from 110 side of eyepiece mould group close to eyepiece mould group 110, the quantity of the arcuate socket 132 is two or other numbers in the present embodiment, and two guide posts 142 of the screen mould group 140 respectively penetrate in two arcuate sockets 132.To, when 120 Forced rotation of driving gear, driving gear 120 drives driven gear 130 to rotate, driven gear 130 applies active force to the guide post 142 by arcuate socket 132, to make the screen mould group 140 114 movement along the chute, so that the screen mould group 140 is mobile relative to the eyepiece mould group 110, and then change the relative distance of screen mould group 140 and the eyepiece mould group 110.In addition, in other embodiments, the eyepiece mould group is equipped with sliding shoe close to driven gear side lateral wall, the screen mould group inner sidewall, which corresponds to, is equipped with sliding slot at the position of the sliding shoe, the sliding shoe is located in sliding slot, and the screen mould group is additionally provided with guide post, and the driven gear is equipped with arcuate socket, the arcuate socket is extended by being laterally away from eyepiece mould group side close to eyepiece mould group one, and the guide post penetrates in the arcuate socket.
In the present embodiment, 144 lateral wall of bracket of the screen mould group 140 is equipped at least two circumferentially spaced arc bumps 145, the bracket 144 is contacted by two arc bumps 145 with the driven gear 130, to, when driven gear 130 rotates, the inner sidewall of the driven gear 130 is contacted with arc bump 145, thus will not be with the entire appearance face contact of bracket 144, contact area can be reduced, so as to reduce sliding friction when driven gear 130 rotates with screen mould group 140.In addition, in the present embodiment, two guide posts 142 are located on two arc bumps 145.In addition, in other embodiments, the inner sidewall of the driven gear can also be arranged at least two circumferentially spaced arc bumps
On, the driven gear is contacted by least two arc bumps with the lateral wall of the bracket.
In the present embodiment, in order to laborsaving, to facilitate user to manually adjust driving gear 120, the revolving speed of the driving gear 120 is greater than the revolving speed of the driven gear 130, specifically, in the present embodiment, the radius of the driving gear 120 is less than the radius of the driven gear 130.The angular range with effective grinding tooth is greater than the angular range on 130 circumference of driven gear with effective grinding tooth on 120 circumference of driving gear, and here, effective grinding tooth refers to the grinding tooth that can be engaged when driving gear 120 is rotated with driven gear 130.In the present embodiment, the driving gear 120 is circumferentially equipped with a circle grinding tooth, the driven gear 130 circumferentially only has partial region to be equipped with continuous grinding tooth, namely the angular range on 120 circumference of driving gear with effective grinding tooth is 360 degree, angular range on the driven gear 130 with effective grinding tooth is less than 360 degree, for example, 90 degree, 120 degree, 150 degree etc., to which the driven gear 130 is not able to rotate a complete circle, to in the drive of driving gear 120 driven gear 130 in one direction rotation process, potentiometer 150 will not export identical electric potential signal.
In the present embodiment, the processing unit 170 and the storage unit 160 integrate, however, the present invention is not limited thereto, and in other embodiments, the processing unit and the storage unit can also be separately provided.
The embodiment of the present invention also provides a kind of head-wearing display device, and the head-wearing display device includes that above-mentioned diopter adjusts display device.In the present embodiment, the head-wearing display device is head-mounted display or wear-type virtual reality glasses etc..
It should be noted that all the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are differences from other embodiments, and the same or similar parts between the embodiments can be referred to each other.For device embodiment, since it is basically similar to the method embodiment, so being described relatively simple, the relevent part can refer to the partial explaination of embodiments of method.
Description through the foregoing embodiment, the invention has the following advantages that
Since the driving gear stress drives the driven gear rotation, the rotation of the driven gear changes the relative distance between the screen mould group and the eyepiece mould group to adjust diopter, one of the resistor body and the movable contact are located on driven gear, another is located on driving gear, when the driving gear drives driven gear rotation, movable contact is in contact with the different location of the resistor body, the potentiometer exports different electric potential signals, the storage unit stores the incidence relation of the electric potential signal and diopter, the processing unit respectively with the potentiometer, storage unit and screen mould group electrical connection, the processing unit
The corresponding diopter of the electric potential signal is determined according to the incidence relation that the electric potential signal of potentiometer output and the storage unit are stored and shows the diopter in screen mould group.To which when user adjusts diopter, diopter can be shown in screen mould group, improve the experience of user.
The above disclosure is only the preferred embodiments of the present invention, and of course, the scope of rights of the present invention cannot be limited by this, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (17)
- A kind of diopter adjusting display device characterized by comprisingEyepiece mould group；Screen mould group；Driving gear is mounted in the eyepiece mould group；Driven gear is rotatably sleeved in the eyepiece mould group, and mutually ratcheting with the driving gear；The driving gear Forced rotation drives the driven gear rotation, and the rotation of the driven gear changes the relative distance between the screen mould group and the eyepiece mould group to adjust the diopter of the display device；Potentiometer, including resistor body and at least one movable contact；One of the resistor body and the movable contact are located on the driven gear, another is located on the driving gear, when the driving gear drives driven gear rotation, the movable contact is in contact with the different location of the resistor body, and the potentiometer exports different electric potential signals；Storage unit is stored with the incidence relation of the electric potential signal and diopter；Processing unit, it is electrically connected with the potentiometer, the storage unit and the screen mould group, the incidence relation that the electric potential signal and the storage unit that the processing unit is exported according to the potentiometer are stored determines the corresponding diopter of the electric potential signal and shows the diopter in the screen mould group.
- Diopter as described in claim 1 adjusts display device, it is characterized in that, the storage unit is stored with electric potential signal-diopter table, the electric potential signal-diopter table record has the incidence relation between the different potentials signal and different diopters of the potentiometer output, and the processing unit is used for:Obtain the electric potential signal of the potentiometer output；Electric potential signal-diopter the table is searched according to the electric potential signal and obtains diopter corresponding with the electric potential signal.
- Diopter as described in claim 1 adjusts display device, which is characterized in that the storage unit is stored with the relational expression for calculating the incidence relation between different electric potential signal and different diopters, and the processing unit is used for:Obtain the electric potential signal of the potentiometer output；It is calculated according to the electric potential signal and the relational expression and obtains diopter corresponding with the electric potential signal.
- Diopter as claimed in claim 3 adjusts display device, which is characterized in that the electric potential signal is voltage value, the relational expression are as follows:Dn=(Vn-V0)/K+D0；Wherein, K, V0, D0 are constant, and Vn is the voltage value of potentiometer output, and Dn is the corresponding diopter of voltage value of potentiometer output.
- Diopter as described in claim 1 adjusts display device, it is characterized in that, the storage unit is stored with electric potential signal range-diopter table, the electric potential signal range-diopter table record has the incidence relation between the different potentials range of signal and different diopters of the potentiometer output, and the processing unit is used for:Obtain the electric potential signal of the potentiometer output；Electric potential signal range-diopter table is searched according to the electric potential signal；Obtain the electric potential signal range that the electric potential signal is fallen into；Corresponding diopter is determined according to the electric potential signal range.
- Diopter as described in claim 1-5 any one adjusts display device, which is characterized in that the potentiometer includes multiple movable contacts；Circumferentially on the driving gear, the resistor body is circumferentially arranged on the driven gear sequential the multiple movable contact；Or circumferentially on the driven gear, the resistor body is circumferentially arranged on the driving gear sequential the multiple movable contact.
- Diopter as described in claim 1-5 any one adjusts display device, which is characterized in that the rotational plane of the driving gear and the rotational plane of the driven gear are orthogonal.
- Diopter as claimed in claim 7 adjusts display device, which is characterized in that the driving gear and the driven gear are bevel gear.
- Diopter as described in claim 1-5 any one adjusts display device, it is characterized in that, the eyepiece mould group is equipped with sliding slot close to the driven gear side, the screen mould group, which corresponds to, is equipped with sliding shoe at the runner position, the sliding shoe is located in sliding slot, and the screen mould group is additionally provided with guide post, and the driven gear is equipped with arcuate socket, the arcuate socket is extended by being laterally away from the eyepiece mould group side close to the eyepiece mould group one, and the guide post penetrates in the arcuate socket；Alternatively,The eyepiece mould group is equipped with sliding shoe close to the driven gear side, sliding slot is equipped at the position of the corresponding sliding shoe on the inside of the screen mould group, the sliding shoe is located in sliding slot, the screen mould group is additionally provided with guide post, the driven gear is equipped with arcuate socket, the arcuate socket is extended by being laterally away from the eyepiece mould group side close to the eyepiece mould group one, and the guide post penetrates in the arcuate socket.
- Diopter as described in claim 1-5 any one adjusts display device, it is characterized in that, the screen mould group includes display screen and bracket, the display screen is rack-mount and is electrically connected with the processing unit, the bracket is socketed in eyepiece mould group, and the driven gear is socketed on bracket.
- Diopter as claimed in claim 10 adjusts display device, which is characterized in that the stent outer wall of the screen mould group is equipped at least two circumferentially spaced arc bumps, and the bracket is contacted by the arc bump with the driven gear；Alternatively,The inner sidewall of the driven gear is equipped at least two circumferentially spaced arc bumps, and the driven gear is contacted by arc bump with the stent outer wall.
- Diopter as described in claim 1-5 any one adjusts display device, which is characterized in that the revolving speed of the driving gear is greater than the revolving speed of the driven gear.
- Diopter as claimed in claim 12 adjusts display device, which is characterized in that the angular range on the driving gear circumference with effective grinding tooth is greater than the angular range on the driven gear circumference with effective grinding tooth.
- Diopter as claimed in claim 13 adjusts display device, which is characterized in that the resistance Body is located on the driven gear, and the angular range on the driven gear circumference with effective grinding tooth is less than 360 °.
- Diopter as described in claim 1-5 any one adjusts display device, it is characterized in that, it further include adjusting knob, the driving gear includes installation axle, the adjusting knob corresponds to the installation axle equipped with mounting hole, and the installation axle is installed in mounting hole to realize that the adjusting knob and the driving gear rotate synchronously.
- Diopter as claimed in claim 15 adjusts display device, it is characterized in that, it further include upper mounting seat and lower mounting seat, the lower mounting seat is fixed in the eyepiece mould group, the driving gear is clamped between upper mounting seat and lower mounting seat, the adjusting knob is arranged in upper mounting seat, and the installation axle is pierced by the upper mounting seat and is installed in the mounting hole of the adjusting knob.
- A kind of head-wearing display device, which is characterized in that adjust display device including the diopter as described in claim 1-16 any one.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/086371 WO2018218442A1 (en) | 2017-05-27 | 2017-05-27 | Diopter adjustment display device and head-mounted display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109643022A true CN109643022A (en) | 2019-04-16 |
| CN109643022B CN109643022B (en) | 2021-07-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780053571.3A Expired - Fee Related CN109643022B (en) | 2017-05-27 | 2017-05-27 | Diopter adjustment display device and head-mounted display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109643022B (en) |
| WO (1) | WO2018218442A1 (en) |
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| CN108919497A (en) * | 2018-08-10 | 2018-11-30 | 深圳纳德光学有限公司 | A kind of head-mounted display diopter adjusting digital display mechanism |
| CN113966056A (en) * | 2020-04-30 | 2022-01-21 | 深圳市撰文科技有限公司 | Dimming control circuit, device and dimmer |
| CN115755403A (en) * | 2022-11-22 | 2023-03-07 | 深圳纳德光学有限公司 | Diopter digital display method and system of head-mounted display and head-mounted display |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108681078A (en) * | 2018-08-10 | 2018-10-19 | 深圳纳德光学有限公司 | A kind of head-mounted display diopter adjusting digital display device |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018218442A1 (en) | 2018-12-06 |
| CN109643022B (en) | 2021-07-20 |
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