CN209895567U - Electronic pointer capable of automatically switching power supply - Google Patents

Abstract

The utility model discloses an automatic switching power supply's electron teacher's pointer, including electron teacher's pointer body, set up at the USB slot of electron teacher's pointer body one end and peg graft the USB receiver in the USB slot, be provided with automatic switching power supply unit between electron teacher's pointer body and the USB receiver, automatic switching power supply unit makes USB receiver electron teacher's pointer body the electricity that gets after extracting the USB slot, and USB receiver injects electron teacher's pointer body outage behind the USB slot. The utility model discloses, possess simple structure, convenient energy-conserving advantage, it is higher than the battery energy utilization efficiency of all kinds of electron teacher's pointer on the current market, the product of designing can satisfy people to the normal functional demand of electron teacher's pointer, can be energy-concerving and environment-protective, low price, facilitate the use again, and the product input cost is low, easily popularizes.

Description

Electronic pointer capable of automatically switching power supply

Technical Field

The utility model relates to a direct current switch technical field specifically is an automatic switching power supply's electron teacher's pointer.

Background

Along with the development of the modern society, the electronic pointer is a necessary teaching product in the modern teaching field due to convenient use and good effect. Therefore, the production types of the electronic pointer are gradually enriched. In the domestic market, in order to increase the competitiveness of the electronic pointer, various enterprises invest a large amount of research and development and production resources on the functional diversity of the electronic pointer and the energy-saving duration of the electronic pointer, and make excellent contribution to the development of the electronic pointer. However, in the research and development process of various functions and performances of the electronic pointer, it is important to save battery energy by using low-power consumption equipment. However, the method has the problems of high production cost, long research period and the like.

The utility model designs an electronic pointer with an automatic switch power supply, which can realize that when a user pulls out a USB receiver from a USB slot on an electronic pointer body in the process of using the electronic pointer, the power supply is automatically switched on for work; when the electronic pointer is used, the USB receiver is inserted into the USB slot in the electronic pointer body, the switch automatically disconnects the power supply, and therefore the purposes of convenience in use and energy conservation are achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic switching power supply's electron teacher's pointer possesses simple structure, convenient energy-conserving advantage, and is higher than the battery energy utilization efficiency of all kinds of electron teacher's pointers on the current market, and the product of designing can satisfy people to the normal functional demand of electron teacher's pointer, can be energy-concerving and environment-protective, low price, facilitate the use again, and the product input cost is low, easily popularization.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic switching power's electron teacher's pointer, includes electron teacher's pointer body, sets up at the USB slot of electron teacher's pointer body one end and pegs graft the USB receiver in the USB slot, be provided with automatic switching power supply unit between electron teacher's pointer body and the USB receiver, automatic switching power supply unit makes USB receiver electron teacher's pointer body the electricity that gets after extracting the USB slot, and USB receiver injects electron teacher's pointer body outage behind the USB slot.

Preferably, the electronic pointer body comprises a shell, and an electronic pointer load module and a battery which are both installed inside the shell, wherein the battery is electrically connected with the electronic pointer load module through an automatic switching power supply device.

Preferably, the automatic switch power supply device comprises a switch contact arranged on the top wall of the middle part of the USB slot, a spring arranged on the bottom wall of the middle part of the USB slot and a switch contact sheet hinged on the bottom wall of the outer side of the USB slot, the bottom side of the switch contact sheet is fixedly connected with the top of the spring, the top end of the switch contact sheet is abutted against the surface of the switch contact, and the switch contact, the battery, the electronic pointer load module and the switch contact sheet are electrically connected.

Preferably, the switch contact is a convex copper block, and the switch contact is a strip copper sheet.

Preferably, the spring is a stainless steel spring.

Compared with the prior art, the beneficial effects of the utility model are as follows: according to the electronic pointer, the USB receiver is pulled out of the USB slot in the electronic pointer body, when the electronic pointer is connected with a teaching computer, the automatic switching power supply device is in a closed state, and the battery provides electric energy for the electronic pointer load module; on the contrary, after finishing using, insert the USB slot on the electron teacher's pointer body back to the USB receiver, automatic switch power supply unit is in the off-state, stop to supply power for electron teacher's pointer load module, make the electron teacher's pointer have higher intelligent degree and reliability through such design, change traditional electron teacher's pointer and forget the shortcoming that closes switch and lead to the battery electric energy to exhaust easily, reach better use convenience and energy-conserving effect, it is simple and easy still to have the design simultaneously, high durability and convenient use, energy-concerving and environment-protective, low in manufacturing cost's characteristics, possess stronger practical value and market spreading value.

Drawings

Fig. 1 is a schematic structural view of an axonometric view of the electronic pointer body of the utility model;

fig. 2 is a schematic structural diagram of an axonometric view of the USB receiver of the present invention;

fig. 3 is a schematic structural diagram of a top view of the electronic pointer body of the present invention;

fig. 4 is a schematic structural view of a partial cross-sectional view of the electronic pointer body of the present invention along the front view of a-a in fig. 3;

FIG. 5 is a schematic view of an enlarged view of a portion a of FIG. 4 according to the present invention;

fig. 6 is a schematic circuit diagram of the present invention.

In the figure: the electronic pointer comprises an electronic pointer body, a shell 101, an electronic pointer load module 102, a battery 103, a 2-USB slot, a 3-USB receiver, an automatic switching power supply device 4, a switch contact 401, a spring 402 and a switch contact 403.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides an automatic switching power's electron teacher's pointer, includes electron teacher's pointer body 1, set up USB slot 2 and the USB receiver 3 of pegging graft in USB slot 2 in the 1 one end of electron teacher's pointer body, be provided with automatic switching power supply unit 4 between electron teacher's pointer body 1 and the USB receiver 3, automatic switching power supply unit 4 makes USB receiver 3 draw 2 back electron teacher's pointer bodies of USB slot 1 and receive the electricity, USB receiver 3 injects 2 back electron teacher's pointer bodies 1 outage.

Specifically, the electronic pointer body 1 includes a housing 101, and an electronic pointer load module 102 and a battery 103 both mounted inside the housing 101, and the battery 103 is electrically connected to the electronic pointer load module 102 through the automatic switching power supply device 4.

Specifically, the automatic switch power supply device 4 includes a switch contact 401 mounted on the top wall of the middle portion of the USB slot 2, a spring 402 mounted on the bottom wall of the middle portion of the USB slot 2, and a switch contact 403 hinged on the bottom wall of the outer side of the USB slot 2, the bottom side of the switch contact 403 is fixedly connected with the top of the spring 402, the spring 402 is a stainless steel spring, the service life of the spring is prolonged, the top end of the switch contact 403 abuts against the surface of the switch contact 401, the switch contact 401 is a convex copper block, the switch contact 403 is an elongated copper sheet, so that the switch contact 403 and the switch contact 401 are electrically connected, and the switch contact 401, the battery 103, the electronic pointer load module 102 and the switch contact 403 are electrically connected, so that a complete loop is formed when the switch contact 403 abuts against the switch contact 401, as shown in fig. 4, the switch contact 403 is obliquely arranged in the USB slot 2, when the USB receiver 3 is inserted into the USB slot 2 of the electronic pointer body 1, the switch contact 403 is pushed by the USB receiver 3, so that the switch contact 403 is away from the switch contact 401, and when the USB receiver 3 is pulled out of the USB slot 2 of the electronic pointer body 1, the switch contact 403 is reset by the spring 402 and abuts against the switch contact 401.

The working principle is as follows: when the electronic pointer of the automatic switching power supply is used, the USB receiver 3 is pulled out of the USB slot 2 on the electronic pointer body 1, when the electronic pointer is connected with a teaching computer, the automatic switching power supply device 4 is in a closed state, namely the switch contact piece 403 abuts against the switch contact 401, and the battery 103 provides electric energy for the electronic pointer load module 102; on the contrary, after the electronic pointer is used, the USB receiver 3 is inserted into the USB slot 2 in the electronic pointer body 1, the automatic switch power supply device 4 is in a disconnected state, the battery 103 stops supplying power for the electronic pointer load module 102, the electronic pointer is enabled to have higher intelligent degree and reliability through the design, the defect that the traditional electronic pointer is easy to forget to close a power switch to cause battery electric energy exhaustion is overcome, and better use convenience and energy-saving effect are achieved.

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

Claims (5)

1. The utility model provides an automatic switching power supply's electron teacher's pointer, includes electron teacher's pointer body (1), sets up USB slot (2) and USB receiver (3) of grafting in USB slot (2) in electron teacher's pointer body (1) one end, its characterized in that: be provided with automatic switch power supply unit (4) between electron teacher's pointer body (1) and USB receiver (3), automatic switch power supply unit (4) make USB receiver (3) after extracting USB slot (2) electron teacher's pointer body (1) the electricity that gets, USB receiver (3) inject behind USB slot (2) electron teacher's pointer body (1) outage.

2. The electronic pointer for automatically switching power supply of claim 1, wherein: the electronic pointer body (1) comprises a shell (101), and an electronic pointer load module (102) and a battery (103) which are both installed inside the shell (101), wherein the battery (103) is electrically connected with the electronic pointer load module (102) through an automatic switching power supply device (4).

3. An electronic pointer for automatically switching power supply according to claim 1 or 2, characterized in that: the automatic switch power supply device (4) comprises a switch contact (401) arranged on the top wall of the middle part of the USB slot (2), a spring (402) arranged on the bottom wall of the middle part of the USB slot (2) and a switch contact piece (403) hinged on the bottom wall of the outer side of the USB slot (2), wherein the bottom side of the switch contact piece (403) is fixedly connected with the top of the spring (402), the top end of the switch contact piece (403) is abutted against the surface of the switch contact (401), and the switch contact (401), the battery (103), the electronic pointer load module (102) and the switch contact piece (403) are electrically connected.

4. The electronic pointer for automatically switching power supply of claim 3, characterized in that: the switch contact (401) is a convex copper block, and the switch contact sheet (403) is a strip copper sheet.

5. The electronic pointer for automatically switching power supply of claim 3, characterized in that: the spring (402) is a stainless steel spring.

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