CN210573680U

CN210573680U - Teaching laser pen

Info

Publication number: CN210573680U
Application number: CN201921213573.7U
Authority: CN
Inventors: 李茜; 胡耶芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-05-19
Anticipated expiration: 2029-07-30

Abstract

The utility model provides a teaching laser pen, in its handheld end, switch, handheld end control module and handheld end communication module are connected to handheld end power module respectively, and the switch is connected to laser emission module, image acquisition module and handheld end control module, and image acquisition module is connected to handheld end control module, and handheld end communication module is connected to handheld end control module; in the computer end, a computer end communication module communicates with a handheld end communication module; in the software processing end, an image analysis module is connected to a computer end communication module, a computer data acquisition module is connected to the computer end communication module, the image analysis module is connected to a first input end of a position mapping module, the computer data acquisition module is connected to a second input end of the position mapping module, and the position mapping module is connected to a marking module. The utility model discloses the environmental protection, convenient operation, the demonstration effect is better.

Description

Teaching laser pen

Technical Field

The utility model belongs to the technical field of teaching equipment and specifically relates to a teaching laser pen is related to.

Background

At present, a university classroom is generally a stepped classroom, the mode of teaching or demonstration is mostly a mode of projecting electronic courseware by a practical computer, and a projection curtain is generally superposed with a blackboard surface and has a large area, so that a teacher (user) can only mark or write the courseware on the computer by using a mouse when the courseware needs to be marked or written in the course of teaching, obviously, the marking or writing by using the mouse is inconsistent with habits, and the operation is inconvenient; the existing laser pen only has a light spot, cannot form a continuous path, and is not intuitive in some cases; if the chalk is used for writing on the blackboard, the screen may need to be collected, and the projection screen is large in area, difficult to mark relative to the projection courseware, not visual enough, not good enough in effect, and the chalk dust can also cause harm to the body of a teacher.

SUMMERY OF THE UTILITY MODEL

The utility model provides a teaching laser pen for solve current projection and give lessons or demonstrate inconvenient and demonstrate the not good enough problem of marking effect.

Realize the utility model discloses used technical scheme does:

a teaching laser pen comprises a handheld end, a computer end and a software processing end, wherein the software processing end runs on a computer; the handheld end comprises a switch, a laser emission module, an image acquisition module, a handheld end control module, a handheld end communication module and a handheld end power supply module, wherein a power supply end of the switch, a power supply end of the handheld end control module and a power supply end of the handheld end communication module are respectively connected to the handheld end power supply module; the computer end comprises a computer end communication module, and the computer end communication module is communicated with the handheld end communication module; the software processing end comprises an image analysis module, a computer data acquisition module, a position mapping module and a marking module, wherein the input end of the image analysis module is connected to the output end of the computer end communication module, the input end of the computer data acquisition module is connected to the output end of the computer end communication module, the output end of the image analysis module is connected to the first input end of the position mapping module, the output end of the computer data acquisition module is connected to the second input end of the position mapping module, and the output end of the position mapping module is connected to the input end of the marking module.

Furthermore, the handheld communication module is connected with the computer-side communication module in a wireless mode.

Furthermore, the computer end is connected to the computer through a USB interface.

Furthermore, the computer end is connected to the computer through a serial port.

Furthermore, the handheld power supply module adopts a lithium battery.

Has the advantages that:

1. when teaching or demonstrating in a classroom, the utility model can demonstrate or mark on the curtain in a habitual way, and does not need to mark on the electronic courseware by using a mouse, thus the operation is more convenient;

2. when teaching or demonstration is carried out, a continuous light spot movement path can be formed, and the demonstration effect is better;

3. the user can better communicate with audiences, and the demonstration effect is further improved.

Drawings

The present invention will be further described with reference to the accompanying drawings and specific embodiments, wherein:

fig. 1 is a structural view of the present invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.

As shown in fig. 1, a teaching laser pointer comprises a handheld end held by a user during demonstration, a computer end connected with a computer, and a software processing end for data processing and marking, wherein the software processing end runs on the computer.

The handheld end comprises a switch, a laser emitting module for emitting laser, an image acquisition module for acquiring a first image comprising a laser spot emitted by the laser emitting module, a handheld end control module, a handheld end communication module and a handheld end power supply module. The handheld power supply module is used for supplying power to a handheld end, the input end of the switch, the power supply end of the handheld end control module and the power supply end of the handheld end communication module are connected to the handheld end power supply module respectively, the output end of the switch is connected to the input end of the laser emission module respectively, the input end of the image acquisition module and the handheld end control module, therefore, the switch controls the power supply input of the laser emission module and the image acquisition module, when the input end and the output end of the switch are communicated, the laser emission module emits laser, and the image acquisition module acquires a first image. The output end of the image acquisition module is connected to the handheld end control module, the input end of the handheld end communication module is connected to the handheld end control module, and the handheld end control module transmits the second image obtained after the first image is coded to the handheld end communication module. The switch of the handheld end, the laser emission module, the image acquisition module, the handheld end control module, the handheld end communication module and the handheld end power supply module are integrated into the shape of a pen, the laser emission module and the image acquisition module are located at the front end of the pen, the orientation of the probe of the image acquisition module is consistent with that of the probe of the laser emission module, and the position of a laser light spot in a first image is centered.

The computer end comprises a computer end communication module, the computer end communication module is communicated with the handheld end communication module, and the computer end communication module receives the second image transmitted by the handheld end communication module.

The software processing end comprises an image analysis module for analyzing the second image to obtain the position characteristics of the laser light spot, a computer data acquisition module mainly used for acquiring computer user interface data, a mapping module for mapping the position of the laser light spot to the computer user interface, and a marking module for carrying out motion marking according to the change of the position of the light spot. The input end of the image analysis module is connected to the output end of the computer-side communication module, the input end of the computer data acquisition module is connected to the output end of the computer-side communication module, when the input end of the computer data acquisition module receives data of the computer-side communication module, computer user interface data are acquired by reading computer processes or screenshots at once, the output end of the image analysis module is connected to the first input end of the position mapping module, the output end of the computer data acquisition module is connected to the second input end of the position mapping module, and the output end of the position mapping module is connected to the input end of the marking module.

Preferably, the handheld communication module and the computer-side communication module are connected in a wireless mode. The handheld communication module and the computer end communication module are Bluetooth modules or ZigBee modules.

Preferably, the computer end is connected to the computer through a USB interface, or the computer end is connected to the computer through a serial port.

Preferably, the handheld power supply module adopts a lithium battery.

The utility model discloses a theory of operation:

1. during demonstration, a user presses a switch at a handheld end, a laser emitting module emits laser, a laser spot appears when the laser is projected on a projection screen, and an image acquisition module acquires a first image; when a user does not press a switch at the handheld end, the laser emission module and the image acquisition module do not work;

2. the handheld terminal communication module encodes the first image into a second image and transmits data of the second image to the handheld terminal communication module;

3. the handheld end communication module is communicated with the computer end communication module, and the second image is transmitted to the computer end communication module;

4. the computer end communication module transmits the second image to a computer through a USB interface or a serial port, the image analysis module of the software processing end receives the second image data and analyzes the second image to find out the characteristic elements of the position of the laser light spot, and transmits the characteristic elements reflecting the position of the laser light spot to the position mapping module; meanwhile, the computer data acquisition module immediately acquires computer user interface data by reading a computer process or a screenshot mode and transmits the user interface data to the position mapping module;

5. the position mapping module compares the characteristic elements reflecting the laser spot position with the computer user interface data to obtain coordinate data of the computer user interface corresponding to the laser spot position, and transmits the coordinate data to the marking module; if the laser spot position is not in the projection of the computer user interface, the position mapping module is not transmitted to the marking module;

6. the marking module marks the corresponding position of the coordinate data according to a standard computer control instruction and simultaneously opens the mark to delay, the cross section of the computer is projected onto the projection curtain through the projector, the corresponding mark is displayed on the projection curtain, and the mark is eliminated when the mark is delayed to preset time;

7. the image acquisition module continuously acquires first images, and the handheld end control module encodes the first images to obtain continuous second images;

8. the image analysis module analyzes and obtains continuous laser spot coordinates, the marking module marks according to the continuous laser spot coordinates to obtain a movement path of the laser spot, and the movement path demonstrates the required marking effect for a user.

Therefore, when giving lessons or demonstrating in a classroom, the utility model can be used for demonstrating in a habitual way or marking on a curtain, and the electronic courseware is not required to be marked by a mouse, so that the operation is more convenient; when teaching or demonstration is carried out, a continuous light spot movement path can be formed, and the demonstration effect is better; meanwhile, the user can better communicate with audiences, and the demonstration effect is further improved.

It should be noted that the above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and all the technical effects of the present invention should be included in the protection scope of the present invention as long as the technical effects are achieved by the same means.

Claims

1. The utility model provides a teaching laser pen which characterized in that:

the system comprises a handheld end, a computer end and a software processing end, wherein the software processing end runs on a computer;

the handheld end comprises a switch, a laser emission module, an image acquisition module, a handheld end control module, a handheld end communication module and a handheld end power supply module, wherein the input end of the switch, the power supply end of the handheld end control module and the power supply end of the handheld end communication module are respectively connected to the handheld end power supply module, the output end of the switch is respectively connected to the input end of the laser emission module, the input end of the image acquisition module and the handheld end control module, the output end of the image acquisition module is connected to the handheld end control module, and the input end of the handheld end communication module is connected to the handheld end control module;

the computer end comprises a computer end communication module, and the computer end communication module is communicated with the handheld end communication module;

the software processing end comprises an image analysis module, a computer data acquisition module, a position mapping module and a marking module, wherein the input end of the image analysis module is connected to the output end of the computer end communication module, the input end of the computer data acquisition module is connected to the output end of the computer end communication module, the output end of the image analysis module is connected to the first input end of the position mapping module, the output end of the computer data acquisition module is connected to the second input end of the position mapping module, and the output end of the position mapping module is connected to the input end of the marking module.

2. The teaching laser pen of claim 1, wherein:

the handheld end communication module is connected with the computer end communication module in a wireless mode.

3. The teaching laser pen of claim 1, wherein:

the computer end is connected to the computer through a USB interface.

4. The teaching laser pen of claim 1, wherein:

the computer end is connected to the computer through a serial port.

5. The teaching laser pen of claim 1, wherein:

the handheld power supply module adopts a lithium battery.