CN114326272A - Projection device - Google Patents
Projection device Download PDFInfo
- Publication number
- CN114326272A CN114326272A CN202111651972.3A CN202111651972A CN114326272A CN 114326272 A CN114326272 A CN 114326272A CN 202111651972 A CN202111651972 A CN 202111651972A CN 114326272 A CN114326272 A CN 114326272A
- Authority
- CN
- China
- Prior art keywords
- adjusting
- projection
- wheel
- adjustment
- foot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Projection Apparatus (AREA)
Abstract
The invention relates to projection equipment, which comprises a shell, an adjusting component, a sensing device and a projection main body, wherein the shell is provided with a plurality of grooves; the adjusting assembly comprises an adjusting wheel and an adjusting foot, the adjusting foot is arranged at the bottom of the shell, one end of the adjusting foot extends into the shell, the adjusting wheel is rotatably connected with the adjusting foot, and the length of the adjusting foot extending out of the shell can be adjusted through rotation of the adjusting wheel; the induction device is arranged on the adjusting wheel or on the shell close to the adjusting wheel; the projection main body is arranged in the shell, and the sensing device is electrically connected with the projection main body; the projection main body projects indication information for adjusting a projection picture through the adjusting wheel according to the sensing signal sent by the sensing device. According to the scheme of the invention, according to the current projection picture and the indication information in the picture, how to adjust the adjusting wheel can be clearly known, the adjusting wheel can be conveniently and accurately rotated towards the direction needing to be adjusted, the projection picture can be quickly adjusted to be in a normal state, and the adjustment difficulty is reduced.
Description
Technical Field
The invention relates to the technical field of projection, in particular to projection equipment.
Background
Projection equipment is a smart display product that projects pictures such as images or videos onto a curtain. When the projection device is used, because the placement position of the projection device is uneven, the picture projected on the curtain has trapezoidal distortion, and therefore the height of the projection device needs to be adjusted.
Generally, the front and rear heights of the whole projector need to be adjusted, the adjusting process is usually that a debugger randomly adjusts the projector, and the debugger tries to find rules for many times and then knows how to adjust the projector, so that the adjusting difficulty is high, and troubles are brought to the debugger.
Disclosure of Invention
Therefore, it is necessary to provide a projection apparatus for solving the problem of difficulty in height adjustment of the conventional projection apparatus.
A projection apparatus comprises
A housing;
the adjusting assembly comprises an adjusting wheel and an adjusting foot, the adjusting foot is arranged at the bottom of the shell, one end of the adjusting foot extends into the shell, the adjusting wheel is rotatably connected with the adjusting foot, and the adjusting wheel can adjust the length of the adjusting foot extending out of the shell through rotation;
the induction device is arranged on the adjusting wheel or on the shell close to the adjusting wheel;
the projection main body is arranged in the shell, and the sensing device is electrically connected with the projection main body; the projection main body projects indication information for adjusting a projection picture through the adjusting wheel according to the sensing signal sent by the sensing device.
In one embodiment, the indication information indicates that the projection picture changes towards different corresponding directions when the adjusting wheel rotates towards different directions.
In one embodiment, the adjusting assemblies comprise two groups, namely a first adjusting assembly and a second adjusting assembly, and the first adjusting assembly and the second adjusting assembly are respectively arranged on two sides of the bottom of the shell; the adjusting wheel of the first adjusting assembly is a first wheel, and the adjusting wheel of the second adjusting assembly is a second wheel;
the indication information comprises that when the first wheel is indicated to rotate towards different directions, the upper end and the lower end of the first side of the projection picture respectively move towards different corresponding directions; and the number of the first and second groups,
the indication information further indicates that the upper end and the lower end of the second side of the projection picture move towards different corresponding directions respectively when the second wheel rotates towards different directions.
In one embodiment, the bottom of the housing is provided with a mounting hole, the side of the housing is provided with an adjusting hole, the adjusting wheel is disposed in the housing, a part of the adjusting wheel is exposed from the adjusting hole, and one end of the adjusting foot extends into the housing from the mounting hole and is in threaded connection with the adjusting wheel.
In one embodiment, the adjusting assembly further includes a pressing plate, the pressing plate is disposed above the adjusting wheel, a first limiting portion is disposed in the middle of the adjusting wheel, a second limiting portion matched with the first limiting portion is correspondingly disposed on the pressing plate, the adjusting wheel can rotate around the second limiting portion, and the pressing plate is fixedly connected with the housing.
In one embodiment, the adjusting assembly further comprises a limit screw, one end of the adjusting foot sequentially extends out of the mounting hole, the adjusting wheel and the pressing plate, one end of the adjusting foot extending out of the pressing plate is connected with the limit screw, and the distance between the limit screw and the pressing plate is the adjusting range of the adjusting foot;
and/or the adjusting component further comprises a foot pad, and one end, far away from the pressing plate, of the adjusting foot is connected with the foot pad.
In one embodiment, the projection apparatus further includes a signal line, the adjustment wheel includes an adjustment portion and a conductive portion, a through hole is disposed in the middle of the adjustment portion, the conductive portion is disposed in the through hole, an annular accommodating cavity is disposed at a position of the adjustment portion near the outer periphery of the adjustment portion, the sensing device is disposed in the accommodating cavity and electrically connected to the conductive portion, the conductive portion is in threaded connection with the adjustment pin, the adjustment pin is a metal pin, the adjustment pin is connected to the signal line, and the signal line is electrically connected to the projection main body.
In one embodiment, the projection apparatus further includes a signal line, the adjusting pin is a metal pin, the adjusting pin is connected to the signal line, and the signal line is electrically connected to the projection main body; the regulating wheel is a metal wheel, an annular accommodating cavity is formed in the position, close to the periphery, of the regulating wheel, and the sensing device is arranged in the accommodating cavity and electrically connected with the regulating wheel.
In one embodiment, the adjusting assembly further includes a sliding cover slidably engaged with the housing or a flip cover rotatably engaged with the housing, the sliding cover or the flip cover is disposed outside the adjusting wheel, the sensing device is disposed at a position of the housing close to the adjusting wheel, and the sensing device can be triggered when the sliding cover or the flip cover is opened.
In one embodiment, the projection device further comprises
The acquisition device is used for acquiring information of a current projection picture or information of the posture of the current projection equipment and sending the acquired information to the analysis device;
the analysis device is used for comparing the current projection picture with a pre-stored projection picture in a normal state or comparing the posture of the current projection equipment with the posture of the pre-stored projection equipment in the normal state according to the information sent by the acquisition device, and sending a comparison result to the projection main body;
and the projection main body projects guide information according to the comparison result, and the guide information guides a debugger to adjust the adjusting wheel until the current projection picture is adjusted to a normal state.
Above-mentioned projection equipment, when the projection picture is unusual, the induction system on adjustment wheel or the casing is touched to debugging person's hand, the sensing signal that the projection main part sent according to induction system projects out indicating information on the curtain, the debugging person is according to the indicating information in current projection picture and the picture, can know clearly how to adjust the adjustment wheel, thereby make things convenient for the debugging person accurately to the direction rotation adjustment wheel that needs to adjust, transfer the projection picture to normal condition fast, adjust the degree of difficulty and reduce, adjust efficiency and improve.
Drawings
Fig. 1 is a schematic exploded view of a projection apparatus (without a projection main body) according to an embodiment of the present application;
FIG. 2 is an assembled schematic view of FIG. 1;
FIG. 3 is a schematic cross-sectional view of FIG. 2;
FIG. 4 is a schematic exploded view of an adjustment wheel and a sensing device of a projection apparatus according to an embodiment of the present disclosure;
FIG. 5 is an assembled view of FIG. 4;
FIG. 6 is a schematic diagram of a projection screen on which indication information is displayed by a projection apparatus according to an embodiment of the present application;
fig. 7 is a schematic diagram of a projection screen on which an indication information is displayed by a projection apparatus according to another embodiment of the present application.
Description of reference numerals:
10. a housing; 110. mounting holes; 120. an adjustment hole; 130. a groove; 20. an adjustment assembly; 210. an adjustment wheel; 212. an adjustment section; 2122. a first limiting part; 2124. a through hole; 2126. an accommodating chamber; 214. a conductive portion; 220. an adjusting foot; 230. pressing a plate; 232. a second limiting part; 240. a limit screw; 250. a foot pad; 260. a top ring; 30. an induction device; 40. and a signal line.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "first," "second," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "upper," "lower," "first," "second," and the like are for illustrative purposes only and do not denote a single embodiment.
Referring to fig. 1-3, an embodiment of the present application provides a projection apparatus, which includes a housing 10, an adjustment assembly 20, a sensing device 30, and a projection main body (not shown). The housing 10 shown in fig. 1-3 is a bottom shell, and the housing 10 further includes a top shell (not shown) connected to the bottom shell to form an interior for receiving the projection main body. When the projection equipment is placed on the bearing surface, the bottom of the bottom shell is opposite to the bearing surface. The projection main body refers to a set of other devices such as a controller and an optical element that realize a projection function.
Specifically, the adjusting assembly 20 includes an adjusting wheel 210 and an adjusting foot 220, the adjusting foot 220 is disposed at the bottom of the housing 10, and one end of the adjusting foot 220 extends into the housing 10, the adjusting wheel 210 is rotatably connected to the adjusting foot 220, and the adjusting wheel 210 rotates to adjust the length of the adjusting foot 220 extending out of the housing 10. By rotating the adjusting wheel 210, the length of the adjusting foot 220 extending out of the housing 10 is adjusted, thereby adjusting the overall height of the projection device.
Optionally, the sensing device 30 is disposed on the adjusting wheel 210 or the housing 10. The projection main body is disposed in the housing 10, and the sensing device 30 is electrically connected to the projection main body.
The projection main body projects indication information for adjusting a projection picture through the adjusting wheel 210 according to the sensing signal sent by the sensing device 30. Referring to fig. 6, fig. 6 is a schematic diagram illustrating a projection screen on which a projection apparatus of an embodiment displays indication information. A quadrangle surrounded by connecting lines of abcd shown in fig. 6 is an edge of the actual projection screen, where the letters abcd are not displayed in the actual projection screen, and the letters abcd are labeled in fig. 6 for convenience of description. When the quadrangle is a rectangle, the projection picture is in a normal state; when the quadrangle is not rectangular, that is, the side ac and/or the side bd of the projection image are inclined, the projection image is not normal, and the length of the extension of the adjusting foot 220 needs to be adjusted to adjust the overall height of the projection apparatus, so that the projection image is correspondingly adjusted to a normal state. The indication information shown in fig. 6 includes a quadrangle (representing the projection screen ABCD) surrounded by connecting lines of ABCDs, a circle (representing the adjustment wheel 210 on the projection apparatus) located below the quadrangle, a rotation arrow representing that the adjustment wheel 210 rotates in different directions, and a straight arrow corresponding to the rotation arrow representing that the projection screen moves in the corresponding direction. Wherein the letters ABCD are not shown in the actual projection screen, the letters ABCD are labeled in fig. 6 for convenience of description.
In this embodiment, the indication information indicates that the projection image changes in different corresponding directions when the adjustment wheel 210 rotates in different directions. In other embodiments, the indication information may be in other forms as long as the debugger can be instructed to adjust how the projection screen of the adjustment wheel 210 will change. For example, referring to fig. 7, instead of displaying the quadrangle ABCD representing the projection screen, a straight arrow representing the movement of the projection screen in the corresponding direction corresponding to the rotation arrow is directly set at the corresponding position of the projection screen.
When the projection picture is abnormal, the hand of the debugger triggers the sensing device 30 on the adjusting wheel 210 or the shell 10, the projection main body projects indication information on the curtain according to the sensing signal sent by the sensing device 30, and the debugger can clearly know how to adjust the adjusting wheel 210 according to the indication information in the current projection picture and picture, so that the debugger can conveniently and accurately rotate the adjusting wheel 210 towards the direction needing to be adjusted, the projection picture is quickly adjusted to be in a normal state, the adjustment difficulty is reduced, and the adjustment efficiency is improved.
Further, referring to fig. 1-3 and fig. 6, in one embodiment, the adjusting assemblies 20 include two groups, namely a first adjusting assembly 20 and a second adjusting assembly 20, and the first adjusting assembly 20 and the second adjusting assembly 20 are respectively disposed at two sides of the bottom of the housing 10; the adjusting wheel 210 of the first adjusting assembly 20 is a first wheel, and the adjusting wheel 210 of the second adjusting assembly 20 is a second wheel; the circles on the first side in fig. 6 represent the first wheel and the circles on the second side represent the second wheel.
The indication information comprises that when the first wheel is indicated to rotate towards different directions, the upper end and the lower end of the first side of the projection picture respectively move towards different corresponding directions; and the indication information further indicates that the upper end and the lower end of the second side of the projection picture move towards different corresponding directions respectively when the second wheel rotates towards different directions.
For example, if the bd side of the current projection screen is inclined in a direction away from the ac side, that is, the length of the ab side is longer than that of the cd side, then, according to the indication information, the second wheel needs to be rotated clockwise, so that the B end of the actual projection screen corresponding to the B end in the indication information moves to the left and the D end of the actual projection screen corresponding to the D end in the indication information moves to the right, and the bd side is adjusted to be vertical, and then the adjustment is completed.
Referring to fig. 1 and 3, in one embodiment, a mounting hole 110 is formed in a bottom of the housing 10, an adjusting hole 120 is formed in a side of the housing 10, the adjusting wheel 210 is disposed in the housing 10, a portion of the adjusting wheel 210 is exposed from the adjusting hole 120, and one end of the adjusting foot 220 extends into the housing 10 from the mounting hole 110 and is in threaded connection with the adjusting wheel 210. The debugger can toggle the adjustment wheel 210 through the adjustment hole 120 on the side of the housing 10, and then drive the adjustment foot 220 screwed to the adjustment wheel 210 to move along the axial direction thereof, so as to adjust the distance between the housing 10 and the bearing surface.
Referring to fig. 1 to 3, in one embodiment, the adjusting assembly 20 further includes a pressing plate 230, the pressing plate 230 is disposed above the adjusting wheel 210, a first limiting portion 2122 is disposed in the middle of the adjusting wheel 210, a second limiting portion 232 matching with the first limiting portion 2122 is correspondingly disposed on the pressing plate 230, the adjusting wheel 210 can rotate around the second limiting portion 232, and the pressing plate 230 is fixedly connected to the housing 10. Referring to fig. 1 and 3, in this embodiment, the first limiting portion 2122 is a limiting hole, the second limiting portion 232 is a limiting protrusion, the pressing plate 230 is fixed on the housing 10 by screws through the hole locations on both sides of the pressing plate, meanwhile, the bottom of the pressing plate 230 is provided with the limiting protrusion extending into the limiting hole of the adjusting wheel 210, so that the adjusting wheel 210 is limited between the pressing plate 230 and the housing 10, and the adjusting wheel 210 rotates with the central line of the limiting protrusion as the rotation center. In other embodiments, the first position-limiting portion 2122 can also be a position-limiting protrusion, and the second position-limiting portion 232 can be a position-limiting hole.
Referring to fig. 1 to 3, in one embodiment, the adjusting assembly 20 further includes a limit screw 240, one end of the adjusting foot 220 sequentially extends out of the mounting hole 110, the adjusting wheel 210 and the pressing plate 230, one end of the adjusting foot 220 extending out of the pressing plate 230 is connected to the limit screw 240, and a distance between the limit screw 240 and the pressing plate 230 is an adjusting range of the adjusting foot 220. The limiting screw 240 has a limiting flange at its periphery, and when the limiting flange abuts against the pressure plate 230, the adjusting leg 220 is adjusted to the limit position and cannot extend out. The limit screw 240 limits the extension length of the adjusting foot 220, so as to prevent the adjusting foot 220 from being extended too much and falling out of the adjusting wheel 210.
Further, the adjusting assembly 20 further includes a foot pad 250, and an end of the adjusting foot 220 away from the pressing plate 230 is connected to the foot pad 250. The foot pad 250 is a silica gel pad, so that the bearing surface is prevented from being scratched, and meanwhile, the friction between the foot pad and the bearing surface is increased, so that the projection equipment is kept in a stable position, and a certain shock-resistant buffering effect can be achieved.
Further, in one embodiment, the projection apparatus further includes a signal line 0, the adjusting pin 220 is a metal pin, the adjusting pin 220 is connected to the signal line 40, and the signal line 40 is electrically connected to the projection main body. Referring to fig. 1 and 3, a ring is disposed at one end of the signal line 40, and a limit screw 240 penetrates through the ring to connect the signal line 40 and the adjusting pin 220 together. Optionally, the sensing device 30 in this embodiment is a flexible touch FPC. In other embodiments, the sensing device 30 can also be a sensor or a capacitive sensor or other elements capable of performing a sensing function.
Referring to fig. 3, 4 and 5, the adjusting wheel 210 in this embodiment includes an adjusting portion 212 and a conductive portion 214. A through hole 2124 is formed in the middle of the adjusting portion 212, the conductive portion 214 is disposed in the through hole 2124, an annular accommodating cavity 2126 is disposed at a position of the adjusting portion 212 close to the outer periphery thereof, the sensing device 30 is disposed in the accommodating cavity 2126 and electrically connected to the conductive portion 214, and the conductive portion 214 is in threaded connection with the adjusting pin 220. The conductive portion 214 in this embodiment is a copper nut. Alternatively, the conductive portion 214 may also be another element having a conductive function. When the hand of the debugger touches the portion of the adjustment wheel 210 exposed from the adjustment hole 120, the sensing device 30 is triggered, and the sensing signal of the sensing device 30 is transmitted to the projection main body through the conductive portion 214, the adjustment pin 220 and the signal line 40.
In other embodiments, the conductive portion 214 may not be provided, the adjusting wheel 210 may be a metal wheel, the adjusting wheel 210 is provided with an annular accommodating cavity 2126 at a position close to the outer periphery, and the sensing device 30 is disposed in the accommodating cavity 2126. When the hand of the debugger touches the position of the adjustment wheel 210 exposed out of the adjustment hole 120, the sensing device 30 can be triggered, and the sensing signal of the sensing device 30 is transmitted to the projection main body through the metal adjustment wheel 210, the adjustment foot 220 and the signal line 40.
Alternatively, in other embodiments, the sensing device 30 is not disposed on the adjustment wheel 210, but on the housing 10, in particular, the sensing device 30 is disposed at the housing 10 near the adjustment wheel 210. For example, the device 30 may be located a distance of 0.5cm to 6cm from the adjustment wheel 210. The distance between the sensing device 30 and the adjusting wheel 210 may be set according to the shape, size, etc. of the housing 10. The adjusting assembly 20 further includes a sliding cover slidably engaged with the housing 10 or a flip cover engaged with the housing 10 in an overturning manner, the sliding cover or the flip cover is disposed outside the adjusting wheel 210, the sensing device 30 is disposed at a position of the housing 10 close to the adjusting wheel 210, and the sensing device 30 can be triggered when the sliding cover or the flip cover is opened. Such as the sensing means 30, is provided at a position where the housing 10 is located in a sliding path of the slide cover or in a rotating path of the flip cover. When the debugger slides the sliding cover or turns the flip cover open, the sensing device 30 may be triggered to project the indication information from the projection main body, the adjusting wheel 210 is exposed after the sliding cover or the flip cover is opened, and the debugger adjusts the adjusting wheel 210 according to the indication information. The sliding cover or the turning cover can also play the roles of dust prevention and misoperation prevention.
Optionally, referring to fig. 1 and 3, in one embodiment, the adjusting assembly 20 further includes a metal top ring 260, the inner wall of the housing 10 is provided with a groove 130, the top ring 260 is disposed in the groove 130, and the top ring 260 contacts the bottom surface of the adjusting wheel 210. The housing 10 is typically a plastic shell and has a high friction. The bottom surface of the adjusting wheel 210 is provided with a metal top ring 260 for supporting, so that the rotating process of the adjusting wheel 210 is smoother, and the clamping stagnation is avoided.
Optionally, in an embodiment, the projection apparatus further includes a collecting device (not shown in the figure) and an analyzing device (not shown in the figure). The acquisition device is used for acquiring information of a current projection picture or information of the posture of the current projection equipment and sending the acquired information to the analysis device. The collecting device can set up in on the casing 10 to with analytical equipment electric connection, collecting device can be camera or gravity induction system, and when collecting device was the camera, collecting device acquireed the information of current projection picture, and when collecting device was gravity induction system, collecting device acquireed the information of current projection equipment's gesture. The analysis device is used for comparing the current projection picture with a pre-stored projection picture in a normal state or comparing the posture of the current projection equipment with the posture of the pre-stored projection equipment in the normal state according to the information sent by the acquisition device, and sending a comparison result to the projection main body. The analysis device can be an electronic device such as an MCU (microprogrammed control Unit) and a CPU (Central processing Unit) which can realize data processing and storage, or a controller of the projection main body.
The projection main body projects guide information according to the comparison result, and the guide information guides a debugger to adjust the adjusting wheel 210 until the current projection picture is adjusted to a normal state. Alternatively, the guide information includes a rotation direction, a rotation amplitude, a real-time variation of the screen deviation, and the like of the adjustment wheel 210. For example, if a certain rotation arrow in fig. 6 is displayed in a high-brightness state, the debugger is guided to rotate the corresponding adjustment wheel 210 according to the rotation direction of the rotation arrow until the rotation arrow becomes normal brightness, the debugging is completed, and at this time, the current projection screen is adjusted to a normal state.
An embodiment of the present application further provides a height adjustment method for a projection apparatus, where the height adjustment method is applicable to the projection apparatus in any of the above embodiments. The adjusting method comprises the following steps:
and S100, the sensing device 30 acquires the adjusting instruction and sends a sensing signal to the projection main body. The adjustment command may be manually entered into the sensing device 30 or may be manually entered into the sensing device 30.
And S200, the projection main body projects indication information according to the sensing signal, and the indication information shows an indication that the projection picture changes towards different corresponding directions when the adjusting wheel 210 rotates towards different directions. The indication information can refer to fig. 6, and in other embodiments, other forms of indication information can be given, such as fig. 7.
S300, according to the indication information and the current projection picture, rotating the adjusting wheel 210 to enable the adjusting foot 220 connected with the adjusting wheel 210 to extend out of or into the shell 10 of the projection equipment until the current projection picture is adjusted to be in a normal state.
According to the height adjusting method of the projection equipment, according to the current projection picture and the indication information in the picture, how the projection picture can change when the adjusting wheel 210 rotates towards different directions can be clearly known, so that the adjusting wheel 210 can be conveniently and accurately rotated towards the direction needing to be adjusted, the height of the projection equipment can be adjusted, the projection picture can be quickly adjusted to be in a normal state, the adjusting difficulty is reduced, and the adjusting efficiency is improved.
Optionally, in an embodiment, the height adjustment method of the projection apparatus further includes the following steps:
and acquiring a current projection picture. The current projection picture can be shot in real time by the camera and transmitted to the projection main body.
And comparing the current projection picture with a pre-stored projection picture in a normal state, and projecting guide information for adjusting the current projection picture to the normal state by the adjusting wheel 210 by the projection main body. The analysis device compares and analyzes the current projection picture with the pre-stored projection picture in the normal state to obtain the guiding information that the adjusting wheel 210 adjusts the current projection picture to the normal state, and the guiding information is displayed by the projection main body in a projection mode. The guidance information includes a rotation direction, a rotation amplitude, a screen deviation real-time change prompt, and the like of the adjustment wheel 210.
Optionally, in an embodiment, the height adjustment method of the projection apparatus further includes the following steps:
and acquiring the current posture of the projection equipment. The posture of the projection equipment can be acquired in real time through the gravity sensing device and transmitted to the projection main body.
And comparing the posture of the current projection equipment with the preset posture of the projection equipment in the normal state, and projecting the guide information for adjusting the current projection picture to the normal state by the adjusting wheel 210 by the projection main body. The analysis device compares and analyzes the posture of the current projection equipment and the posture of the projection equipment in a pre-stored normal state to obtain the height of the projection equipment to be adjusted, and then the height is converted into adjustment information of the current projection picture adjusted to the normal state by the adjusting wheel 210, and the adjustment information is displayed by projection through the projection main body. The guidance information includes a rotation direction, a rotation amplitude, a screen deviation real-time change prompt, and the like of the adjustment wheel 210.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A projection apparatus, comprising
A housing;
the adjusting assembly comprises an adjusting wheel and an adjusting foot, the adjusting foot is arranged at the bottom of the shell, one end of the adjusting foot extends into the shell, the adjusting wheel is rotatably connected with the adjusting foot, and the adjusting wheel can adjust the length of the adjusting foot extending out of the shell through rotation;
the induction device is arranged on the adjusting wheel or on the shell close to the adjusting wheel;
the projection main body is arranged in the shell, and the sensing device is electrically connected with the projection main body; the projection main body projects indication information for adjusting a projection picture through the adjusting wheel according to the sensing signal sent by the sensing device.
2. The projection device of claim 1, wherein the indication information indicates that the projection image changes in different corresponding directions when the adjustment wheel rotates in different directions.
3. The projection device of claim 2, wherein the adjustment assemblies comprise two groups, namely a first adjustment assembly and a second adjustment assembly, and the first adjustment assembly and the second adjustment assembly are respectively arranged on two sides of the bottom of the shell; the adjusting wheel of the first adjusting assembly is a first wheel, and the adjusting wheel of the second adjusting assembly is a second wheel;
the indication information comprises that when the first wheel is indicated to rotate towards different directions, the upper end and the lower end of the first side of the projection picture respectively move towards different corresponding directions; and the number of the first and second groups,
the indication information further indicates that the upper end and the lower end of the second side of the projection picture move towards different corresponding directions respectively when the second wheel rotates towards different directions.
4. The projection apparatus as claimed in claim 3, wherein a mounting hole is formed at a bottom of the housing, an adjusting hole is formed at a side of the housing, the adjusting wheel is disposed in the housing, a portion of the adjusting wheel is exposed from the adjusting hole, and one end of the adjusting foot extends into the housing from the mounting hole and is in threaded connection with the adjusting wheel.
5. The projection apparatus according to claim 4, wherein the adjustment assembly further comprises a pressing plate, the pressing plate is disposed above the adjustment wheel, a first position-limiting portion is disposed in the middle of the adjustment wheel, a second position-limiting portion matching with the first position-limiting portion is correspondingly disposed on the pressing plate, the adjustment wheel can rotate around the second position-limiting portion, and the pressing plate is fixedly connected to the housing.
6. The projection device of claim 5, wherein the adjustment assembly further comprises a limit screw, one end of the adjustment foot sequentially extends out of the mounting hole, the adjustment wheel and the pressing plate, one end of the adjustment foot extending out of the pressing plate is connected with the limit screw, and the distance between the limit screw and the pressing plate is the adjustment range of the adjustment foot;
and/or the adjusting component further comprises a foot pad, and one end, far away from the pressing plate, of the adjusting foot is connected with the foot pad.
7. The projection apparatus according to any one of claims 1 to 6, wherein the projection apparatus further comprises a signal line, the adjustment wheel comprises an adjustment portion and a conductive portion, a through hole is formed in the middle of the adjustment portion, the conductive portion is disposed in the through hole, an annular accommodation cavity is disposed at a position of the adjustment portion near the outer periphery of the adjustment portion, the sensing device is disposed in the accommodation cavity and electrically connected to the conductive portion, the conductive portion is in threaded connection with the adjustment foot, the adjustment foot is a metal foot, the adjustment foot is connected to the signal line, and the signal line is electrically connected to the projection main body.
8. The projection apparatus according to any one of claims 1 to 6, wherein the projection apparatus further comprises a signal line, the adjustment pin is a metal pin, the adjustment pin is connected to the signal line, and the signal line is electrically connected to the projection main body; the regulating wheel is a metal wheel, an annular accommodating cavity is formed in the position, close to the periphery, of the regulating wheel, and the sensing device is arranged in the accommodating cavity and electrically connected with the regulating wheel.
9. The projection device as claimed in any one of claims 1 to 6, wherein the adjustment assembly further includes a sliding cover slidably engaged with the housing or a flip cover rotatably engaged with the housing, the sliding cover or the flip cover is disposed outside the adjustment wheel, the sensing device is disposed at a position of the housing close to the adjustment wheel, and the sensing device is triggered when the sliding cover or the flip cover is opened.
10. The projection device of any of claims 1-6, further comprising
The acquisition device is used for acquiring information of a current projection picture or information of the posture of the current projection equipment and sending the acquired information to the analysis device;
the analysis device is used for comparing the current projection picture with a pre-stored projection picture in a normal state or comparing the posture of the current projection equipment with the posture of the pre-stored projection equipment in the normal state according to the information sent by the acquisition device, and sending a comparison result to the projection main body;
and the projection main body projects guide information according to the comparison result, and the guide information guides a debugger to adjust the adjusting wheel until the current projection picture is adjusted to a normal state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111651972.3A CN114326272A (en) | 2021-12-30 | 2021-12-30 | Projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111651972.3A CN114326272A (en) | 2021-12-30 | 2021-12-30 | Projection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114326272A true CN114326272A (en) | 2022-04-12 |
Family
ID=81019326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111651972.3A Pending CN114326272A (en) | 2021-12-30 | 2021-12-30 | Projection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114326272A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115453804A (en) * | 2022-09-08 | 2022-12-09 | 河南舟车电子科技有限公司 | Projection font automatic adjustment platform and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332022A (en) * | 2018-05-08 | 2018-07-27 | 胡珉潇 | A kind of controlled motion mechanism of projector position automatic adjustment |
| CN109951691A (en) * | 2017-12-20 | 2019-06-28 | 深圳光峰科技股份有限公司 | Bearing calibration, device and the optical projection system of projected picture |
| CN211427016U (en) * | 2019-12-19 | 2020-09-04 | 青岛海信激光显示股份有限公司 | Laser projection equipment |
| CN211853365U (en) * | 2020-01-14 | 2020-11-03 | 青岛海信激光显示股份有限公司 | Projection device |
| CN214409559U (en) * | 2021-04-15 | 2021-10-15 | 青岛海信激光显示股份有限公司 | Laser projection device |
-
2021
- 2021-12-30 CN CN202111651972.3A patent/CN114326272A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109951691A (en) * | 2017-12-20 | 2019-06-28 | 深圳光峰科技股份有限公司 | Bearing calibration, device and the optical projection system of projected picture |
| CN108332022A (en) * | 2018-05-08 | 2018-07-27 | 胡珉潇 | A kind of controlled motion mechanism of projector position automatic adjustment |
| CN211427016U (en) * | 2019-12-19 | 2020-09-04 | 青岛海信激光显示股份有限公司 | Laser projection equipment |
| CN211853365U (en) * | 2020-01-14 | 2020-11-03 | 青岛海信激光显示股份有限公司 | Projection device |
| CN214409559U (en) * | 2021-04-15 | 2021-10-15 | 青岛海信激光显示股份有限公司 | Laser projection device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115453804A (en) * | 2022-09-08 | 2022-12-09 | 河南舟车电子科技有限公司 | Projection font automatic adjustment platform and method |
| CN115453804B (en) * | 2022-09-08 | 2024-05-03 | 河南舟车电子科技有限公司 | Projection font automatic adjusting platform and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6522530B2 (en) | Computer system having a monitor movably coupled to a main body | |
| EP2820515B1 (en) | Device camera angle | |
| US6105919A (en) | Liquid crystal display with wide swivel angle | |
| US8713986B2 (en) | Electronic torque wrench calibration device and using method thereof | |
| TWI516898B (en) | Portable electrical device | |
| EP3490239B1 (en) | Spherical video camera | |
| CN114326272A (en) | Projection device | |
| KR101898042B1 (en) | Apparatus for inspection of curved display panel | |
| TWI528232B (en) | Electronic device using method, electronic device and electronic apparatus | |
| US7742102B2 (en) | Extendable pivot shaft mechanism, and an extendable pivot shaft mechanism of a camera for pivoting a rotatable grip on a camera body | |
| TW201308054A (en) | Electronic device and connecting port thereof | |
| KR101571096B1 (en) | User Adaptive Interface Providing System and Method | |
| US20170127057A1 (en) | Display apparatus | |
| US7477316B2 (en) | Pivot shaft mechanism, and a pivot shaft mechanism of a camera for pivoting a rotatable grip on a camera body | |
| US10613591B2 (en) | Lifting device for input assembly, and keyboard and electronic device thereof | |
| US20070229949A1 (en) | Rear projection display apparatus | |
| US20130019127A1 (en) | Mouse motion trajectory testing system | |
| US20050253960A1 (en) | Extendable pivot shaft mechanism, and an extendable pivot shaft mechanism of a camera for pivoting a rotatable grip to a camera body | |
| KR20070045006A (en) | Apparatus for controlling rotating of liquid crystal display monitor and method for controlling thereof | |
| JP2008046161A (en) | Cradle | |
| AU2021101549A4 (en) | Securely mountable/dismountable electronic equipment support stand | |
| JP4535381B2 (en) | Document presentation device | |
| CN220454712U (en) | Hot spot testing device | |
| US8275250B2 (en) | Zoom switch assembly, image photographing apparatus having the same, and method of controlling zoom lens | |
| CN118235388A (en) | Electronic apparatus and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |