CN211294300U

CN211294300U - Laser pen

Info

Publication number: CN211294300U
Application number: CN201922155291.2U
Authority: CN
Inventors: 张清森; 陈俊灵; 肖政文
Original assignee: Shenzhen Green Connection Technology Co ltd
Current assignee: Shenzhen Lvlian Technology Co Ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-08-18
Anticipated expiration: 2029-12-04

Abstract

The application discloses laser pen is provided with the chamber that holds that is used for part or whole receiver of acceping on the laser pen casing, and limit switch sets up in the casing to make when the receiver accept when holding the chamber, limit switch is in the open mode, when the receiver does not accept when holding the chamber, limit switch is in the closed condition. The power supply controller is arranged on the shell, is respectively connected with the limit switch and the power supply circuit, and is used for supplying power to the laser pen when the limit switch is in a closed state. Because the on-off state of the limit switch is controlled by the mode of whether the receiver is accommodated in the accommodating cavity on the shell, the power-on state of the laser pen is controlled, and then the on-off function of the laser pen is realized, so that the surface of the pen body of the laser pen can omit a switch structure, the appearance structure of the laser pen can be simplified, and the operation steps of the laser pen can be reduced to improve the user experience.

Description

Laser pen

Technical Field

The application relates to the technical field of electronic education accessories, in particular to a laser pen.

Background

The laser pen is also called PPT page turning pen, electronic pointer, wireless laser pen and the like, and generally comprises a pen body and a receiving device; the device not only has the mapping function of the traditional laser pen, but also can connect the receiving device with a computer or multimedia projection equipment, and can directly and remotely control the computer or the multimedia projection equipment in a wireless mode to realize free page turning and random demonstration of slides by simply pressing an upper page turning button and a lower page turning button on the laser pen.

At present, a wireless receiving device and a pen body of a laser pen on the market are separately arranged, and the wireless receiving device and the pen body are small and exquisite, so that the state that one of the wireless receiving device and the pen body is lost frequently occurs, and the laser pen cannot be normally used. In addition, the laser pen on the market adopts a toggle switch to control the power supply of the laser pen, the toggle switch of the laser pen is generally designed on two sides of the laser pen, and not only a switch structure needs to be added on the surface of the pen body, but also the function of a marking switch is needed.

Disclosure of Invention

The technical problem that this application will be solved is to reduce the switch structure on laser pen body surface.

According to a first aspect, there is provided in one embodiment a laser pointer comprising a body and a receiver;

the receiver comprises an interface and a wireless communication device, the interface of the receiver is used for being connected with external equipment, and the wireless communication device of the receiver is used for carrying out data communication with the pen body;

the pen body comprises a shell, a microprocessor, a wireless transceiver, a power supply circuit, a power supply controller, function keys and a limit switch;

the shell is provided with an accommodating cavity for accommodating the receiver partially or completely;

the limit switch is arranged on the shell, so that when the receiver is accommodated in the accommodating cavity, the limit switch is in an open state, and when the receiver is not accommodated in the accommodating cavity, the limit switch is in a closed state.

The power supply controller is arranged on the shell, is respectively connected with the limit switch and the power supply circuit, and is used for sending a first level signal to the power supply circuit when the limit switch is in a closed state;

the power supply circuit is arranged on the shell, is respectively connected with the microprocessor and the wireless transceiver, and is used for responding to the first level signal to supply power to the microprocessor and the wireless transceiver;

the function keys are arranged on the shell and connected with the microprocessor; the function key is used for sending a function setting electric signal to the microprocessor when triggered by a user;

the microprocessor is arranged on the shell and used for responding to the function setting electric signal to send a corresponding function setting signal to the wireless transceiver;

the wireless transceiver is arranged on the shell and used for sending the received function setting signal to the wireless communication device in a wireless mode; the wireless communication device is used for sending the received function setting signal to the external equipment through an interface of the receiver.

Further, the pen body further comprises a laser emitter which is arranged on the shell and connected with the microprocessor; the laser transmitter is used for responding to the function setting signal sent by the microprocessor to transmit laser.

Further, the wireless transceiver comprises a 2.4G wireless transceiver.

Further, an adsorption device is arranged in the accommodating cavity and used for generating magnetic attraction to adsorb the receiver so as to facilitate the accommodating and fixing of the receiver.

Further, the pen body still includes the pilot lamp, set up in the casing, and with supply circuit connects, the pilot lamp is used for showing the power supply state of laser pen.

Further, the power controller is connected to the microprocessor, and the power controller is further configured to send a second level signal to the power supply circuit in response to the function setting signal sent by the microprocessor, so that the power supply circuit provides power to the laser transmitter in response to the second level signal.

Further, the power supply circuit provides 1.2V, 1.8V and/or 3.3V power.

Further, the power supply circuit includes a rechargeable lithium battery.

Further, the housing is shuttle-shaped.

Further, the laser emitter is arranged at one end of the shuttle-shaped shell.

Further, the accommodating cavity is arranged at the other end of the shuttle-shaped shell.

The laser pen according to the embodiment comprises a pen body and a receiver. The pen body comprises a shell, a microprocessor, a wireless transceiver, a power supply circuit, a power supply controller, function keys and a limit switch, wherein the shell is provided with a containing cavity for partially or completely containing the receiver, and the limit switch is arranged on the shell, so that when the receiver is contained in the containing cavity, the limit switch is in an open state, and when the receiver is not contained in the containing cavity, the limit switch is in a closed state. The power supply controller is arranged on the shell, is respectively connected with the limit switch and the power supply circuit, and is used for supplying power to the microprocessor and the wireless transceiver when the limit switch is in a closed state. Because the on-off state of the limit switch is controlled by the mode of whether the receiver is accommodated in the accommodating cavity on the shell, the power-on state of the laser pen is controlled, and then the on-off function of the laser pen is realized, so that the surface of the pen body of the laser pen can omit a switch structure, the appearance structure of the laser pen can be simplified, and the operation steps of the laser pen can be reduced to improve the user experience.

Drawings

FIG. 1 is a schematic external view of a laser pen;

FIG. 2 is a schematic diagram of a circuit configuration of a laser pointer in an embodiment;

FIG. 3 is a schematic diagram of an external structure of a laser pointer in one embodiment;

fig. 4 is a schematic structural diagram of the accommodating chamber in one embodiment.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).

Referring to fig. 1, an appearance diagram of a laser pen is shown, which includes a pen body 1, a key 2, a power indicator 3 and a power switch 4, wherein the power switch 4 is a toggle switch disposed on one side of the pen body, which not only affects the beauty of the laser pen, but also increases the production processes of the laser pen.

In the embodiment of the invention, the laser pen is disclosed, wherein the shell is provided with an accommodating cavity for accommodating the receiver partially or completely, and the limit switch is arranged on the shell, so that when the receiver is accommodated in the accommodating cavity, the limit switch is in an open state, and when the receiver is not accommodated in the accommodating cavity, the limit switch is in a closed state. The power supply controller is arranged on the shell, is respectively connected with the limit switch and the power supply circuit, and is used for supplying power to the laser pen when the limit switch is in a closed state. Because the on-off state of the limit switch is controlled by the mode of whether the receiver is accommodated in the accommodating cavity on the shell, the power-on state of the laser pen is controlled, and then the on-off function of the laser pen is realized, so that the surface of the pen body of the laser pen can omit a switch structure, the appearance structure of the laser pen can be simplified, and the operation steps of the laser pen can be reduced to improve the user experience.

Example one

Referring to fig. 2, a schematic circuit diagram of a laser pen according to an embodiment of the invention includes a pen body 10 and a receiver 20. The receiver 20 comprises an interface 202 and a wireless communication device 201, the interface 202 of the receiver 20 is used for connecting with external equipment, and the wireless communication device 201 of the receiver 20 is used for data communication with the pen body 10. The pen body comprises a shell, a microprocessor 102, a wireless transceiver 103, a power supply circuit 106, a power supply controller 105, function keys 101 and a limit switch 107. The housing has a receiving cavity for partially or fully receiving the receiver 20. The limit switch 107 is disposed on the housing, such that when the receiver 20 is accommodated in the accommodating cavity, the limit switch 107 is in an open state, and when the receiver 20 is not accommodated in the accommodating cavity, the limit switch 107 is in a closed state. The power supply controller 105 is disposed in the housing, and is respectively connected to the limit switch 107 and the power supply circuit 106, and configured to send a first level signal to the power supply circuit 106 when the limit switch 107 is in a closed state. The power supply circuit 106 is disposed in the housing and connected to the microprocessor 102 and the wireless transceiver 103, respectively, for supplying power to the microprocessor 102 and the wireless transceiver 103 in response to the first level signal. The function keys 101 are disposed on the housing and connected to the microprocessor 102. The function key 101 is used to send a function setting electric signal to the microprocessor 102 when triggered by a user. The microprocessor 102 is disposed in the housing and is configured to send a corresponding function setting signal to the wireless transceiver 103 in response to the function setting electrical signal. The wireless transceiver 103 is disposed in the housing and configured to transmit the received function setting signal to the wireless communication device 201 in a wireless manner. The wireless communication device 201 of the receiver 20 is configured to transmit the received function setting signal to the external device through the interface of the receiver 20. The pen body 10 further includes a laser transmitter disposed in the housing and connected to the microprocessor 102, and the laser transmitter 104 is configured to transmit laser light in response to a function setting signal transmitted from the microprocessor 102. In one embodiment, the wireless transceiver 103 comprises a 2.4G wireless transceiver. In one embodiment, the power controller 105 is coupled to the microprocessor 102, and the power controller 105 is further configured to send a second level signal to the power supply circuit 106 in response to a function setting signal sent by the microprocessor 102, so that the power supply circuit 106 provides power to the laser transmitter 104 in response to the second level signal. In one embodiment, the power supply circuit 106 provides 1.2V, 1.8V, and/or 3.3V power. In one embodiment, the power supply circuit 106 includes a rechargeable lithium battery.

Fig. 3 is a schematic diagram illustrating an external structure of a laser pointer according to an embodiment, in which (a) in fig. 3 is a left side view of the laser pointer, fig. 3 (b) is a front view of the laser pointer, and fig. 3 (c) is a right side view of the laser pointer. In one embodiment, the housing 9 is shuttle shaped. In one embodiment, the laser lamp of the laser transmitter 104 is disposed at one end of the shuttle housing 9. In one embodiment, the receiving cavity 991 is provided at the other end of the shuttle housing 9. In one embodiment, the receiving cavity 991 is provided with an attracting device 992 for generating a magnetic attraction to attract the receiver 20 to facilitate the receiving and fixing of the receiver 20, and the attracting device 992 is preferably made of a magnetic material, such as a magnet. In one embodiment, the laser pointer comprises a housing 9, a laser light 90, an indicator light 91, function keys and a receiver 20. The body 10 of the laser pen further includes an indicator light 91 disposed in the housing and connected to the power supply circuit, and the indicator light 91 is used for displaying the power supply status of the laser pen, or displaying the key indication, or displaying the low power of the laser pen. The function keys are arranged on the shell 9 and comprise a hyperlink key 92, an upper page turning key 93, a lower page turning key 94, a volume + key 95, a volume-key 96, a laser key 97 and a charging interface 98. In one embodiment, charging interface 98 is a USB-C interface. In one embodiment, a long press of volume + key 95 may be used to implement a play or pause function; volume-key 96 long press can be used to implement the close window function; the hyperlink key 92 is used for clicking to open a hyperlink, double clicking to select the hyperlink and long pressing to switch a window; the page up key 93 realizes the page up function, and the long press realizes the full screen function; the page down key 94 implements a page down function, a long press implements a black screen function, and a long press again implements a black screen exit function. In one embodiment, the laser lamp 90 emits 3R type laser light. Please refer to fig. 4, which is a schematic structural diagram of an accommodating chamber in an embodiment, an accommodating chamber 991 is disposed at a lower portion of a housing 9, the accommodating chamber 991 is used for partially or completely accommodating a receiver 20, a limit switch 107 is disposed at an inner side of the accommodating chamber 991 of the housing 9, when the receiver 20 is accommodated in the accommodating chamber 991, the limit switch 107 is in an open state, when the receiver 20 is not accommodated in the accommodating chamber 991, the limit switch 107 is in a closed state, an adsorption device 992 is disposed at a bottom of the accommodating chamber 991, or disposed at a side of the accommodating chamber 991, and the adsorption device 992 is made of a magnetic material, so as to attract metal on the receiver 20, thereby when the receiver 20 is accommodated in the accommodating chamber 991, the adsorption and fixation effects can be achieved, a hand feeling when the receiver 20 is accommodated in the accommodating chamber 991 can be increased, and the accommodation and.

In the embodiment of the application, an accommodating cavity for accommodating the receiver partially or completely is formed in the laser pen shell, and the limit switch is arranged on the shell, so that when the receiver is accommodated in the accommodating cavity, the limit switch is in an open state, and when the receiver is not accommodated in the accommodating cavity, the limit switch is in a closed state. The power supply controller is arranged on the shell, is respectively connected with the limit switch and the power supply circuit, and is used for supplying power to the laser pen when the limit switch is in a closed state. Because the on-off state of the limit switch is controlled by the mode of whether the receiver is accommodated in the accommodating cavity on the shell, the power-on state of the laser pen is controlled, and then the on-off function of the laser pen is realized, so that the surface of the pen body of the laser pen can omit a switch structure, the appearance structure of the laser pen can be simplified, and the operation steps of the laser pen can be reduced to improve the user experience.

The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.

Claims

1. A laser pen is characterized by comprising a pen body and a receiver;

the limit switch is arranged on the shell, so that when the receiver is accommodated in the accommodating cavity, the limit switch is in an open state, and when the receiver is not accommodated in the accommodating cavity, the limit switch is in a closed state;

2. The laser pen of claim 1, wherein the pen body further comprises a laser emitter disposed in the housing and connected to the microprocessor; the laser transmitter is used for responding to the function setting signal sent by the microprocessor to transmit laser.

3. The laser pen as claimed in claim 2, wherein an absorption device is disposed in the accommodating cavity for generating a magnetic attraction to absorb the receiver to facilitate the accommodating and fixing of the receiver.

4. The laser pen as claimed in claim 2, wherein the pen body further comprises an indicator light disposed in the housing and connected to the power supply circuit, the indicator light being configured to display a power supply status of the laser pen.

5. The laser pointer as claimed in claim 2 wherein the power controller is coupled to the microprocessor, the power controller being further configured to send a second level signal to the power supply circuit in response to the function setting signal from the microprocessor, for the power supply circuit to supply power to the laser transmitter in response to the second level signal.

6. Laser pointer as claimed in claim 2 characterized in that the supply circuit provides a power supply of 1.2V, 1.8V and/or 3.3V.

7. The laser pointer as claimed in claim 6 wherein the power supply circuit comprises a rechargeable lithium battery.

8. The laser pointer as claimed in claim 2 wherein the housing is shuttle shaped.

9. The laser pointer as claimed in claim 8, wherein the laser emitter is disposed at one end of the shuttle-shaped housing.

10. The laser pointer as claimed in claim 9, wherein the receiving cavity is provided at the other end of the shuttle-shaped housing.