A projector calibration device

Abstract

The utility model relates to a projector calibration technical field especially is a kind of projector calibration device, including fixed base, the top front side of fixed base is fixedly connected with first brake motor, the output of first brake motor is fixedly connected with connecting frame, the top of connecting frame is fixedly connected with second brake motor, the output of second brake motor is fixedly connected with lower jaw, the back of lower jaw both sides is slidably connected with threaded rod, the top of threaded rod is fixedly connected with upper jaw, the top of upper jaw is fixedly connected with laser emitter, the front of laser emitter is equipped with laser receiver.

Description

Technical Field

[0001] This utility model relates to the field of projector calibration technology, specifically a projector calibration device. Background Technology

[0002] A projector, also known as a projector, is a device that can project images or videos onto a screen. It can be connected to computers, VCD players, DVD players, BD players, game consoles, DV players, etc., through different interfaces to play corresponding video signals.

[0003] Currently, projectors are widely used in homes, offices, schools, and entertainment venues. However, when installing projector screens and projectors, problems such as difficulty in adjusting the position of the screen and projector, and poor projection display effects due to tilted installation of the screen and projector can occur. Utility Model Content

[0004] The purpose of this invention is to provide a projector calibration device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A projector calibration device includes a fixed base. A first brake motor is fixedly connected to the top front side of the fixed base. A connecting frame is fixedly connected to the output end of the first brake motor. A second brake motor is fixedly connected to the top of the connecting frame. A lower gripper is fixedly connected to the output end of the second brake motor. Threaded rods are slidably connected to both sides of the back of the lower gripper. A fastening knob is threadedly connected to the surface of the threaded rod and located at the bottom of the lower gripper. An upper gripper is fixedly connected to the top of the threaded rod. A laser emitter is fixedly connected to the top of the upper gripper. A laser receiver is disposed in front of the laser emitter.

[0007] Preferably, the front end of the fixing base is snapped to a placement frame, the top front side of the placement frame is fixedly connected to a control switch, and the rear end of the fixing base is provided with a hoisting hole.

[0008] Preferably, a battery holder is integrated on the top front side of the mounting base, and a battery is snapped onto the outer side of the battery holder.

[0009] Preferably, a locking nut is threaded onto the surface of the threaded rod and at the bottom of the fastening knob.

[0010] Preferably, the back side of the laser receiver is integrated with an adhesive layer, and the laser receiver has a built-in button battery and a remote control module.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] In this invention, the projector is clamped and fixed by upper and lower grippers, and the projector is rotated vertically and horizontally by the first brake motor and the second brake motor, respectively, so as to drive the laser emitter on the upper gripper to project and position with the laser receiver fixed on the screen, so as to facilitate automatic calibration of the screen and projector positions; thus, the projector can accurately project onto the screen and ensure the projection display effect. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of a projector calibration device according to the present invention;

[0014] Figure 2 This is a diagram showing the projector body clamping state of a projector calibration device according to this utility model.

[0015] In the diagram: 1. Fixed base; 2. First brake motor; 3. Connecting frame; 4. Second brake motor; 5. Lower gripper; 6. Threaded rod; 7. Fastening knob; 8. Upper gripper; 9. Laser emitter; 10. Laser receiver; 11. Placement frame; 12. Control switch; 13. Lifting hole; 14. Battery holder; 15. Battery; 16. Locking nut; 17. Projector body. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0017] Please see Figure 1-2 This utility model provides a technical solution:

[0018] A projector calibration device includes a fixed base 1. A first brake motor 2 is fixedly connected to the top front side of the fixed base 1 for vertical rotation adjustment of the projector body 17. A connecting frame 3 is fixedly connected to the output end of the first brake motor 2. A second brake motor 4 is fixedly connected to the top of the connecting frame 3 for horizontal rotation adjustment of the projector body 17. A lower gripper 5 is fixedly connected to the output end of the second brake motor 4. Threaded rods 6 are slidably connected to both sides of the back of the lower gripper 5. A fastening knob is threadedly connected to the surface of the threaded rods 6 and located at the bottom of the lower gripper 5. 7. The lower jaw 5 is moved up and down by the fastening knob 7 in conjunction with the threaded rod 6, thereby adjusting the distance between the upper and lower jaws and clamping and fixing the projector body 17 of different thicknesses. The upper jaw 8 is fixedly connected to the top of the threaded rod 6, and the laser emitter 9 is fixedly connected to the top of the upper jaw 8, which emits a laser beam parallel to the outermost projection beam of the projector body 17. A laser receiver 10 is provided in front of the laser emitter 9 to receive the laser beam emitted by the laser emitter 9 and to give the first and second brake motors a stop signal to realize the automatic calibration of the projector.

[0019] In this embodiment, please refer to Figure 1 The front end of the fixed base 1 is connected to a placement frame 11, which is used to clamp the device holding the projector body 17 for overall placement and fixation; the top front side of the placement frame 11 is fixedly connected to a control switch 12, which is used to receive the signal emitted by the laser receiver 10 and control the start and stop of the first brake motor 2 and the second brake motor 4 and the switch of the laser emitter 9; the rear end of the fixed base 1 is provided with a hoisting hole 13, which is used to cooperate with the hoisting rod assembly for overall hoisting and fixing of the projector body 17.

[0020] In this embodiment, please refer to Figure 2 The top front side of the fixed base 1 is integrated with a battery holder 14, and the outer side of the battery holder 14 is connected with a battery 15 for powering the first brake motor 2, the second brake motor 4, the laser emitter 9 and the control switch 12.

[0021] In this embodiment, please refer to Figure 1 A locking nut 16 is threaded onto the surface of the threaded rod 6 and at the bottom of the fastening knob 7. This nut is used to lock and fix the fastening knob 7, prevent loosening, and ensure the stability of the gripper's clamping.

[0022] In this embodiment, the back side of the laser receiver 10 is integrated with an adhesive layer for bonding and fixing the laser receiver; the laser receiver 10 has a built-in button battery and a remote control module for internal power supply of the laser receiver and remote control of the first and second brake motors to stop.

[0023] The working principle of this utility model is as follows: In use, the projector body 17 is placed between the lower clamp 5 and the upper clamp 8, and the upper and lower clamps are clamped by rotating the fastening knob 7 in conjunction with the threaded rod 6 to hold and fix the projector body 17. Then, the projector can be placed and fixed with the placement bracket 11, and the projector can be hoisted and fixed with the hoisting hole 13. Then, the projection screen is fixed facing the projector body 17, and the first brake motor 2 is rotated by the control switch 12 to adjust the vertical projection position of the projector body 17 on the projection screen. The second brake motor 4 is rotated to achieve the projection... The projector body 17 adjusts its left and right projection positions on the projection screen to achieve high-precision projection positioning. After the initial projection positioning is completed, the laser emitter 9 is turned on, and the laser receiver 10 is attached and fixed according to the landing point of the laser emitter 9 (the laser beam of the laser emitter 9 is directly aligned with the receiving target of the laser receiver 10). When the projector body 17 deviates, the laser emitter and laser receiver can be used for projection positioning, which facilitates automatic calibration of the screen and projector positions; thus, the projector accurately projects onto the screen, ensuring the projection display effect.

[0024] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A projector calibration device, characterized in that: The device includes a fixed base (1), a first brake motor (2) is fixedly connected to the top front side of the fixed base (1), a connecting frame (3) is fixedly connected to the output end of the first brake motor (2), a second brake motor (4) is fixedly connected to the top of the connecting frame (3), a lower jaw (5) is fixedly connected to the output end of the second brake motor (4), threaded rods (6) are slidably connected to both sides of the back of the lower jaw (5), a fastening knob (7) is threadedly connected to the surface of the threaded rod (6) and located at the bottom of the lower jaw (5), an upper jaw (8) is fixedly connected to the top of the threaded rod (6), a laser emitter (9) is fixedly connected to the top of the upper jaw (8), and a laser receiver (10) is provided in front of the laser emitter (9).

2. The projector calibration device according to claim 1, characterized in that: The front end of the fixed base (1) is snapped to a placement rack (11), and a control switch (12) is fixedly connected to the top front side of the placement rack (11). The tail end of the fixed base (1) is provided with a hoisting hole (13).

3. The projector calibration device according to claim 1, characterized in that: The top front side of the mounting base (1) is integrated with a battery holder (14), and the battery holder (14) is snapped to the outside of the battery holder (14) with a battery (15).

4. The projector calibration device according to claim 1, characterized in that: The threaded rod (6) is threaded with a locking nut (16) on its surface and at the bottom of the fastening knob (7).

5. The projector calibration device according to claim 1, characterized in that: The laser receiver (10) has an adhesive layer integrated on its back side, and the laser receiver (10) has a built-in button battery and a remote control module.

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