CN205354388U - Teaching aid for electronic commerce - Google Patents

Abstract

The utility model discloses a teaching aid for electronic commerce, turn over a page or leaf body including the remote control, the singlechip is connected with the information acquisition unit through AD converting circuit, information acquisition unit electric connection has electric quantity monitoring devices, the output of singlechip still electric connection has the AD converter, the output electric connection of AD converter has the wave filter, the wave filter is that the output is connected with the amplifier, the output of amplifier is connected with wireless transmitter, the wireless receiver signal connection of wireless transmitter and multi -media. This teaching aid for electronic commerce can guarantee the wave form accuracy nature of wireless transmitter transmission at AD converter, wave filter and the amplifier of wireless transmitter's front end setting, can accurate instructions multi -media shield supratentorial position, therefore, the utility model relates to a rationally, can prolong the life who turns over the page or leaf pen, the signal of launching moreover can the accurate positioning.

Description

A teaching aid for e-commerce

technical field

The utility model belongs to the technical field of teaching aids, in particular to a teaching aid for electronic commerce.

Background technique

At present, e-commerce rooms usually use multimedia teaching, and projectors are needed in the classroom to deliver teaching content. At the same time, most of the e-commerce rooms are large classrooms that can accommodate about 300 people at the same time. When the teacher is in class, he needs to hold the page presenter in one hand and the pointer in the other. However, the existing page presenters have short service life, inaccurate luminous indication, etc., and most of them still use the traditional disposable pool, which not only wastes resources, but also easily causes environmental pollution.

Therefore, in order to solve the above technical problems, it is indeed necessary to provide a wireless remote control presenter with an improved structure to overcome the defects in the prior art.

Utility model content

The purpose of this utility model is to provide a teaching aid for e-commerce, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions: a teaching aid for e-commerce, including a remote control page presenter body, an LED indicator light is provided at the upper end of the remote control page presenter body, and an LED indicator light is provided at the lower end of the LED indicator light An LED display screen is provided, and a control button is provided at the lower end of the LED display screen. The inside of the remote control presenter body is provided with a lithium ion battery and a single-chip microcomputer, and the single-chip microcomputer is respectively connected with the LED indicator light, the LED display screen, and the control button. It is electrically connected to the lithium-ion battery, the single-chip microcomputer is connected to an information acquisition unit through an A/D conversion circuit, the information collection unit is electrically connected to a power monitoring device, and the output terminal of the single-chip microcomputer is also electrically connected to an information memory, The output end of the single-chip microcomputer is also electrically connected to an A/D converter, and the output end of the A/D converter is electrically connected to a filter, and the output end of the filter is connected to an amplifier, and the output of the amplifier The terminal is connected with a wireless transmitter, and the wireless transmitter is connected with the wireless receiver of the multimedia signal.

Preferably, the control buttons include a page up key, a page down key, a play key, a black screen key and an exit key.

Preferably, the lithium-ion battery is a rechargeable battery, and the lithium-ion battery is electrically connected to a USB interface.

Preferably, the power monitoring device includes a voltage sensor and a current sensor, and the voltage sensor and the current sensor are connected in parallel.

Preferably, the wireless transmitter is an RFID reader or an infrared transmitter or a Bluetooth transmitter.

Preferably, the wireless receiver is an RFID electronic tag or an infrared receiver or a Bluetooth receiver.

The technical effects and advantages of the present utility model: the teaching aid for e-commerce can monitor the electric quantity of the lithium-ion battery at any time through the electric quantity monitoring device provided, and the LED display screen can display the electric quantity of the lithium-ion battery, and the USB interface can monitor the electric quantity of the lithium-ion battery Charging, so the teaching tool can save resources and is conducive to environmental protection; the A/D converter, filter and amplifier set at the front end of the wireless transmitter can ensure the accuracy of the waveform emitted by the wireless transmitter, and can accurately indicate the multimedia screen Therefore, the utility model has a reasonable design, can prolong the service life of the page presenter, and can accurately locate the emitted signal.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic diagram of the working principle module of the circuit of the present invention.

In the figure: 1 remote control presenter body, 2 LED indicator light, 3 LED display screen, 4 control buttons.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The utility model provides a teaching aid for electronic commerce as shown in Fig. The lower end of the lamp 2 is provided with an LED display screen 3, and the lower end of the LED display screen 3 is provided with a control button 4, and the control button 4 includes a page up key, a page down key, a play key, a black screen key and an exit key, The inside of the remote control page presenter body 1 is provided with a lithium-ion battery and a single-chip microcomputer, the lithium-ion battery is a rechargeable battery, the lithium-ion battery is electrically connected to a USB interface, and the single-chip microcomputer is connected to the LED indicator light 2, The LED display screen 3, the control button 4 are electrically connected with the lithium ion battery, and the single-chip microcomputer is connected with an information collection unit through an A/D conversion circuit, and the information collection unit is electrically connected with a power monitoring device, and the power monitoring device includes A voltage sensor and a current sensor, the voltage sensor and the current sensor are connected in parallel, the output end of the single-chip microcomputer is also electrically connected to an information memory, the output end of the single-chip microcomputer is also electrically connected to an A/D converter, and the A/D The output end of the D converter is electrically connected to a filter, and the output end of the filter is connected to an amplifier, and the output end of the amplifier is connected to a wireless transmitter, and the wireless transmitter is an RFID reader or an infrared transmitter or A bluetooth transmitter, the wireless transmitter is signal-connected with a multimedia wireless receiver, and the wireless receiver is an RFID electronic tag or an infrared receiver or a bluetooth receiver. This teaching aid for electronic commerce can monitor the electric quantity of lithium-ion battery at any time through the power monitoring device provided, and LED display screen 2 can show the electric quantity of lithium-ion battery, and USB interface can charge lithium-ion battery, so this teaching implement can save resources, is conducive to the protection of the environment; the A/D converter, filter and amplifier arranged at the front end of the wireless transmitter can ensure the accuracy of the waveform emitted by the wireless transmitter, and can accurately indicate the position on the multimedia screen; therefore, this practical The new design is reasonable, can prolong the service life of the page presenter, and the emitted signal can be precisely positioned.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present utility model.

Claims (6)

1. A teaching aid for e-commerce, comprising a remote control presenter body (1), the upper end of the remote control presenter body (1) is provided with an LED indicator light (2), the LED indicator light (2) The lower end is provided with an LED display screen (3), and the lower end of the LED display screen (3) is provided with a control button (4), and it is characterized in that: the inside of the remote control page presenter body (1) is provided with a lithium ion battery and A single-chip microcomputer, the single-chip microcomputer is respectively electrically connected with the LED indicator light (2), the LED display screen (3), the control button (4) and the lithium ion battery, and the said single-chip microcomputer is connected with an information acquisition unit through an A/D conversion circuit, so The information collection unit is electrically connected to a power monitoring device, the output end of the single-chip microcomputer is also electrically connected to an information memory, the output end of the single-chip microcomputer is also electrically connected to an A/D converter, and the A/D converter The output end of the filter is electrically connected to a filter, and the output end of the filter is connected to an amplifier, and the output end of the amplifier is connected to a wireless transmitter, and the wireless transmitter is connected to a multimedia wireless receiver for signals. 2. A teaching aid for e-commerce according to claim 1, characterized in that: the control buttons (4) include a page up key, a page down key, a play key, a black screen key and an exit key. 3. A teaching aid for e-commerce according to claim 1, wherein the lithium-ion battery is a rechargeable battery, and the lithium-ion battery is electrically connected to a USB interface. 4. A teaching aid for e-commerce according to claim 1, characterized in that: the power monitoring device includes a voltage sensor and a current sensor, and the voltage sensor and the current sensor are connected in parallel. 5. A teaching aid for e-commerce according to claim 1, characterized in that: the wireless transmitter is an RFID reader or an infrared transmitter or a Bluetooth transmitter. 6. A teaching aid for e-commerce according to claim 1, wherein the wireless receiver is an RFID electronic tag or an infrared receiver or a Bluetooth receiver.