CN220773407U

CN220773407U - Portable projector

Info

Publication number: CN220773407U
Application number: CN202322325796.5U
Authority: CN
Inventors: 蒋芮; 蒋萼; 苏文昌
Original assignee: Enerte Technology Shenzhen Co ltd
Current assignee: Enerte Technology Shenzhen Co ltd
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-04-12
Anticipated expiration: 2033-08-28

Abstract

The application provides a portable projector, which comprises a shell, a first insulating shell and a second insulating shell, wherein the second insulating shell is arranged on the edge of the first insulating shell, the first insulating shell is connected with the second insulating shell through a rotating shaft, the first insulating shell comprises a power interface, and the power interface is arranged in the first insulating shell and is communicated with the first insulating shell; and the battery is arranged in the second insulating shell, is a detachable battery and is connected with the power interface wire. The circuit board comprises a first circuit board and a second circuit board arranged on the edge of the first circuit board, wherein the first circuit board is arranged in the first insulating layer shell, the first circuit board comprises a battery switch, the battery is arranged on the first circuit board in an open mode and is communicated with the second insulating shell, and the second circuit board is arranged in the second insulating shell. This dual circuit board design helps to more finely manage battery power and ensures battery life and performance.

Description

Portable projector

Technical Field

The present application relates to the field of projectors, and more particularly to a portable projector.

Background

With the continuous development of digital display technology, projection technology has also made significant progress. With the diversification of home entertainment, it is desirable to be able to watch movies, play games, or perform other entertainment activities at home. The portable projector provides a larger screen experience for the home so that family members can enjoy entertainment content anywhere. More and more people start to adopt a mobile working mode, and meeting and collaboration are required at different places. Portable projectors have enabled team members to share information and display content anywhere, promoting the development of mobile offices.

In modern society, portable projector is widely used in the fields of business demonstration, education training, entertainment and the like as a multifunctional image projection device. Conventional portable projectors typically use built-in batteries or external power adapters as a power source to meet the power requirements of the projector.

However, as the usage scenarios of projectors are diversified and mobility requirements are increased, a single power supply approach may appear to be inflexible in some cases, and users may face problems of insufficient battery or inconvenient portability of power adapters.

Disclosure of Invention

In view of the above, it is necessary to provide a portable projector to solve the above-described problems.

Embodiments of the present application provide a portable projector, including:

the projector comprises a shell, a first shell body and a second shell body, wherein the second shell body is arranged on the edge of the first shell body, the first shell body is connected with the second shell body through a rotating shaft, the first shell body comprises a power interface, the power interface is arranged in the first shell body and communicated with the first shell body, and the power interface is used for being connected with a power supply and supplying power to the projector in a battery-free state;

and the battery is arranged in the second insulating shell, is a detachable battery and is connected with the power interface wire.

The circuit board comprises a first circuit board and a second circuit board arranged on the edge of the first circuit board, the first circuit board is arranged in the first insulating layer shell, the first circuit board comprises a battery switch, the battery is arranged on the first circuit board in an opening mode and is communicated with the second insulating shell, and the second circuit board is arranged in the second insulating shell;

the projector is arranged between the first circuit board and the first insulating shell and comprises a focusing knob and a projection lens.

In at least one embodiment of the present application, the circuit board includes a power interface disposed within the first insulating housing and conforming to a surface of the first insulating housing.

In at least one embodiment of the present application, the second circuit board includes a battery interface disposed within the second insulating housing and conforming to the surface of the first insulating housing.

In at least one embodiment of the present application, the circuit board includes a control panel disposed on the first circuit board for controlling the projector.

In at least one embodiment of the present application, the first insulating case includes a battery groove provided at a bottom surface of the case for fixing the battery.

In at least one embodiment of the present application, the circuit board further includes an HDM I projection interface, and the HDM I projection interface is disposed on the circuit board and is in communication with the housing.

In at least one embodiment of the present application, the first circuit board is wire-connected to the second circuit board.

In at least one embodiment of the present application, the second insulating housing includes a battery switch, and the battery is provided inside the second insulating housing and is attached to the surface of the second insulating housing.

In at least one embodiment of the present application, the projection lens is attached to and in communication with the first insulating housing.

In at least one embodiment of the present application, the focus knob is disposed between the projection lens and the first insulating housing, the focus knob being for a projector adjustment power.

The portable projector provided above is provided by employing two sets of power supply devices in the projector. The design comprises a first insulating shell and a second insulating shell which are connected by a rotating shaft to form a shell of the projector. A power interface is provided in the first insulating housing, which interface is connectable to an external power source for supplying power, and batteries are disposed in the second insulating housing, the batteries being removable and connected to the power interface by wires. In addition, the circuit board of the projector is divided into two parts, the first circuit board is arranged in the first insulating shell and comprises a battery switch, and the second circuit board is arranged in the second insulating shell. This dual circuit board design helps to more finely manage battery power and ensures battery life and performance.

Drawings

Fig. 1 is a perspective view of a portable projector according to an embodiment of the present application.

Fig. 2 is a perspective exploded view of the portable projector of fig. 1.

Description of the main reference signs

100. A portable projector; 10. a housing; 11. a first insulating case; 12. a second insulating case; 13. a rotating shaft; 20. a battery; 21. a battery interface; 30. a circuit board; 31. a first circuit board; 32 a second circuit board, 33, a battery switch; 34. HDM I projection interface; 40. a projector; 41. a projection lens; 42. a focusing knob.

Detailed Description

Embodiments of the present application will now be described with reference to the accompanying drawings, in which it is apparent that the embodiments described are merely some, but not all embodiments of the present application.

It is noted that when one component is considered to be "connected" to another component, it may be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed" on another element, it can be directly on the other element or intervening elements may also be present. The terms "top," "bottom," "upper," "lower," "left," "right," "front," "rear," and the like are used herein for illustrative purposes only.

Embodiments of the present application provide a portable projector, including:

Some embodiments of the present application are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.

Referring to fig. 1-2, an embodiment of the present application provides a stand-type automobile data recorder 100, including: the projector comprises a first insulating shell 11 and a second insulating shell 12 arranged on the edge of the first insulating shell 11, wherein the first insulating shell 11 is connected with the second insulating shell 12 through a rotating shaft 13, the first insulating shell 11 comprises a power interface, the power interface is arranged in the first insulating shell 11 and communicated with the first insulating shell 11, and the power interface is used for being connected with a power supply and supplying power to the projector in a state without a battery 20; and a battery 20, which is arranged in the second insulating shell 12, wherein the battery 20 is a detachable battery 20 and is connected with a power interface wire. The circuit board 30 comprises a first circuit board 31 and a second circuit board 30 arranged on the side of the first circuit board 31, the first circuit board 31 is arranged in a first insulating layer shell, the first circuit board 31 comprises a battery 20 switch, the battery 20 is arranged on the first circuit board 31 in an opening mode and communicated with the second insulating shell 12, and the second circuit board 30 is arranged in the second insulating shell 12; the projector 40, which is disposed between the first circuit board 31 and the first insulating case 11, includes a focus knob 42 and a projection lens 41.

Specifically, the connection of the rotation shaft 13 makes the connection between the first insulating case 11 and the second insulating case 12 more stable, helping to maintain structural stability and durability of the projector. A power interface is provided in the first insulating case 11, so that the projector can be directly connected with a power supply to supply power, and usability and flexibility of the projector are ensured. Meanwhile, in the battery-less 20 state, the projector can be normally supplied with power. The detachable battery 20 is designed to enable the projector to be separated from the power socket, so that the projector has better mobility and convenience, and is suitable for outdoor activities or places without the power socket. The user may choose to use the battery 20 to supply power or connect to a power outlet as desired, depending on the particular scenario, to determine the power source of the projector. The design of the first circuit board 31 and the second circuit board 30 can realize effective separation of circuits, which helps to improve stability and durability of the circuits. The arrangement of the switch of the battery 20 allows a user to control the switch state of the battery 20, and effectively manage the use and protection of the battery 20. A focus knob 42 within projector 40 allows a user to adjust the focal length and sharpness of the projected image as desired for optimal projection.

Further, the user may connect the projector to an electrical outlet through the power interface, so that the projector obtains power supply. When the power supply is connected, the projector can work normally in the state without the battery 20, is suitable for long-time projection tasks, and avoids interruption caused by insufficient electric quantity of the battery 20. This is especially beneficial when continuous projection or out-of-home use is required, for example in scenes such as presentations, training, outdoor film shows, etc. The user can connect or disconnect the battery 20 through the wire, and selectively use the battery 20 or the power outlet to supply power when in use as required. In outdoor activities, outdoor film shows, camping, etc., the user can conveniently use the battery 20 to supply power without being limited by a power outlet. In places with power sockets such as meeting rooms and classrooms, users can connect the power sockets, and the long-time stable projection effect is ensured. The user can control the on-off state of the battery 20 through the on-off state of the battery 20, ensure to use the battery 20 when needed, and shut down the power supply of the battery 20 when not needed, and prolong the service life of the battery 20. The circuit connection between the first circuit board 31 and the second circuit board 30 ensures normal operation of the projector during use of the projector, while avoiding circuit interference. The user can adjust the projection lens 41 through the focusing knob 42 to adjust the focal length and definition of the projected image. In different projection distances or scenes, the user can flexibly adjust the focal power of the projector according to the needs so as to obtain the optimal image quality.

In one embodiment, the circuit board 30 includes a power interface, and the power interface is disposed in the first insulating housing 11 and is attached to the surface of the first insulating housing 11.

Specifically, the power interface is a channel connected to an external power source, and by connecting the projector to the power source, stable power supply can be provided to ensure normal operation of the projector. This is particularly important for long projection tasks, as it prevents interruption due to the depletion of the battery 20. The power interface is provided in the first insulating case 11 and is attached to the surface, which helps to keep the overall structure of the projector compact, so that the projector is more portable in appearance and size. By placing the power interface in the first insulating housing 11, the power connection portion of the projector can be more conveniently maintained and repaired to ensure long-term stable use. Further, if the battery 20 is low in power or the battery 20 is not required to be used, the user can ensure that the projector continuously works only by means of an external power supply, and the projector is suitable for long-time use scenes such as conferences, demonstrations and the like. In outdoor or power outlet-less scenarios, the user may choose to use battery 20 for power, maintaining portability and flexibility. If the power interface is damaged or requires maintenance, a technician can more conveniently open the first insulating housing 11 for repair or replacement, extending the life of the projector.

In one embodiment, the second circuit board 30 includes a battery 20 interface, and the battery 20 interface is disposed in the second insulating housing 12 and is attached to the surface of the first insulating housing 11.

Specifically, the battery 20 interface allows a user to connect the removable battery 20 to provide a portable power source for the projector that will function properly without a power outlet. The battery 20 interface is located in the second insulating case 12 and is attached to the surface of the first insulating case 11, so that the user can conveniently install and replace the battery 20, thereby maintaining the continuous use of the projector. The user may choose to use battery 20 to power or an external power source to power as desired, providing flexibility in the use of the projector in different environments.

Further, the user inserts the battery 20 into the battery 20 interface and connects using a wire to ensure a stable connection of the battery 20 with the projector. The user may use the connected battery 20 as a power source for projection tasks outdoors or in places without a power outlet. In a scenario requiring long use, a user may use battery 20 to power, ensuring continuous operation of the projector, such as outdoor screening, activity display, etc. The user can easily remove or replace the battery 20, maintain the power supply portion of the projector, and extend the service life of the device. According to actual requirements, the user can select to use the battery 20 or the external power supply according to the scene, and more use options are provided.

In one embodiment, the circuit board 30 includes a control panel, and the control panel is disposed on the first circuit board 31 and is used for controlling the projector.

Specifically, the control panel integrates various buttons and controls for starting, stopping and adjusting the operation state of the projector, and provides direct control of the projection process by the user. The control panel is positioned in the operable area of the projector, and a user can conveniently use buttons and controls to operate, so that the use flow of the projector is simplified. The control panel may include different buttons for adjusting projection screens, volume, menu options, etc., extending the functionality of the projector. The visual operation interface is provided, so that a user can easily grasp the use of the projector, and the use experience of the user is enhanced.

Further, the user presses an activation button on the control panel, the projector begins operation, and the circuit board 30 receives the signal and activates the projector 40. The user can adjust parameters such as brightness, contrast, color and the like of the projection picture through the adjusting buttons on the control panel so as to obtain better watching effect. Menu buttons on the control panel may be used to navigate the projector's setup menu through which the user may make more options and function settings. In the demonstration scene, a user can switch slides, play videos and the like through the control panel, so that the control of demonstration contents is realized. When the mobile device is used for projecting content, a user can use the control panel to play, pause and the like.

In one embodiment, the circuit board 30 further includes an HDM I projection interface 34, and the HDM I projection interface 34 is disposed on the circuit board 30 and communicates with the housing 10.

Specifically, the HDM I interface transmits high-quality audio and video signals, so that high definition and audio quality of a projection picture can be ensured, and better viewing experience is provided. Using the HDM I interface, a user may connect various multimedia devices, such as a computer, a game console, a blu-ray player, etc., to project their content. The integrated HDMI interface enables the projector to be used for not only demonstration and display, but also watching various scenes such as movies, playing games and the like. The user only needs to use HDMI cable to connect the projector with external equipment, so as to realize quick and stable signal transmission.

Further, the user connects the projector to a computer or other multimedia device via an HDM I cable. Once the connection is established, the projector will transmit the multimedia content of the external device, such as a presentation, a movie, a game, etc., onto the projection screen. A user may connect portable projector 100 to a blu-ray player or other video source to enjoy a large screen high definition movie viewing experience. The game fan can connect the game host to the projector, projects the game picture on a large screen, and enhances the game experience. In business meetings or training, HDMI interfaces are used to connect computers, so that presentation contents are projected out, and a more vivid display effect is provided. A user may build a temporary home theater in his home, connect the projector to the home media device via the HDM I interface, enjoy movies and music.

In one embodiment, the first circuit board 31 is wire-connected to the second circuit board 30.

In particular, the first circuit board 31 and the second circuit board 30 may be respectively responsible for different tasks in the functions of the projector, such as power management, signal processing, and the like. Through the wire connection, they can coordinate the work, realize the normal operating of projecting apparatus jointly. The wire connection allows various data and signals, such as control commands, image data, etc., to be transmitted between the circuit boards 30, thereby implementing the various functions of the projector. The wire connection allows flexibility in positioning the circuit board 30 in the appropriate location to optimize the design and performance of the projector. If a problem arises with a certain connection between the circuit boards 30, the projector function may be maintained or restored by replacing or repairing the wires.

Further, when the user activates the projector and selects the projection content, the first circuit board 31 will receive the control command and the image data. These signals are transmitted to the second circuit board 30 through wires. The second circuit board 30 is responsible for processing and decoding the signals, converting the image data into a format suitable for projection, and performing necessary image enhancement processing. The first circuit board 31 is responsible for managing the power supply and the battery 20 status. The battery 20 status information may be transferred to the second circuit board 30 via a wired connection for corresponding processing and display. The user may adjust settings of the projector such as brightness, contrast, volume, etc. through a control panel or remote control on the projector. These adjustment signals are transmitted to the second circuit board 30 through wires and then corresponding adjustment operations are performed. If the user switches the projected content, for example from presentation to video play, the associated control signals will be transmitted over the wires to the second circuit board 30, directing the projector to switch to the appropriate mode.

In one embodiment, the second insulating case 12 includes a battery 20 switch, and the battery 20 is disposed inside the second insulating case 12 and is attached to the surface of the second insulating case 12.

Specifically, the position of the battery 20 switch is attached to the surface of the second insulating case 12, so that the user can easily find and operate the battery 20 switch, thereby conveniently starting or shutting off the power supply of the battery 20. The user can control the battery 20 to supply power through the switch of the battery 20, so that the projector is closed when the projector is not needed, the electric quantity of the battery 20 is saved, and the service time is prolonged. The battery 20 switch is attached to the surface of the second insulating shell 12, so that the possibility of false touch is reduced, and the condition that a user intends to control the battery 20 is ensured. The battery 20 switch is attached to the surface of the second insulating case 12, which helps to maintain the appearance integrity of the projector and avoid unnecessary protrusions or gaps.

Further, when the user needs to use the portable projector 100, he can find and lightly press the switch of the battery 20, thereby starting the battery 20 to supply power, and the projector starts to operate. After use, the user may operate the battery 20 switch again to turn off the battery 20 power, ensuring that the battery 20 is not depleted when the projector is not needed. In some cases, the user may wish to switch to the power saving mode using only the external power source without using the battery 20. This switching can be conveniently accomplished by the user by switching the battery 20. When the battery 20 is maintained or the battery 20 is replaced, the battery 20 can be disconnected from the power supply by operating the battery 20 switch, ensuring safe operation.

In one embodiment, the projection lens 41 is attached to the first insulating housing 11 and is in communication with the first insulating housing 11.

Specifically, the projection lens 41 is attached to and communicates with the first insulating case 11, so that stability and accuracy of the optical path are ensured, and deviation of the optical path due to movement or external disturbance is reduced. Ensuring that the projection lens 41 is in close proximity to the first insulating housing 11 helps to reduce scattering and distortion that may occur in optical imaging, thereby improving the imaging quality of the projection. The fitting of the projection lens 41 to the first insulating housing 11 provides additional mechanical protection against damage to the projection lens 41 during carrying or use. The projection lens 41 is attached to the first insulating housing 11 to help maintain a compact design of the projector, making the overall device more portable.

Further, during the manufacturing process, the projection lens 41 is closely attached to the first insulating case 11, and the connectivity between them is ensured. When the projector is used by a user, the fitting of the projection lens 41 with the first insulating case 11 ensures the stability of the optical path and the imaging quality, thereby realizing clear, stable projection. The close fit of the projection lens 41 to the first insulating housing 11 provides additional mechanical protection against damage to the projection lens 41 when the user is carrying the projector. When the projector is used outdoors, the close fitting of the projection lens 41 and the first insulating housing 11 can reduce the interference of external light and provide better projection effect. In educational and commercial presentation scenes, the conforming of the projection lens 41 to the first insulating case 11 helps ensure that the projector always provides a high quality projection effect.

In a specific embodiment, the focusing knob 42 is disposed between the projection lens 41 and the first insulating housing 11, and the focusing knob 42 is used to adjust the power of the projector 40.

Specifically, the user can optimize the definition and the focal power of the projection screen by adjusting the focusing knob 42 according to the projection distance and the environmental condition, so as to obtain better viewing experience. In a commercial presentation, educational training, or meeting, the user may use the focus knob 42 to adjust the focus of the projection to ensure that the presentation is clearly visible. In outdoor projection activities, a user can adapt to projection effects under different scenes through the focusing knob 42 according to different projection distances and requirements. In creative projection artwork, the focus knob 42 may help an artist achieve different focus effects, creating a unique projection effect. In the event of an exhibition, showroom, etc., the focus knob 42 may be used to adjust the focus of the projected content to accommodate different showcases.

Further, a focus knob 42 is located between the projection lens 41 and the first insulating housing 11, and an initial position allows a user to access and operate the knob. When the user rotates the focus knob 42, the mechanical connection between the knob and the projection lens 41 changes the focal length of the projector 40. Rotating the knob may adjust the position of projection lens 41, thereby changing the focal position of the projection. By rotating the focus knob 42, the user can fine tune the focus position to obtain a clear, sharp projection view. The rotation knob may mechanically or electronically adjust the position of projection lens 41 to effect adjustment of the power.

The foregoing is merely an embodiment of the present application, and it should be noted herein that modifications could be made by those skilled in the art without departing from the inventive concept of the present application, which fall within the scope of the present application.

Claims

1. A portable projector, comprising:

the battery is arranged in the second insulating shell, is a detachable battery and is connected with the power interface wire;

2. The portable projector of claim 1, wherein the circuit board includes a power interface disposed within the first insulating housing and conforming to a surface of the first insulating housing.

3. The portable projector of claim 1, wherein the second circuit board includes a battery interface disposed within a second insulating housing and conforming to a surface of the first insulating housing.

4. The portable projector of claim 1, wherein the circuit board includes a control panel disposed on the first circuit board for controlling the projector.

5. The portable projector of claim 1, wherein the first insulating housing includes a battery compartment disposed on a bottom surface of the housing for securing a battery.

6. The portable projector of claim 1, wherein the circuit board further comprises an HDMI projection interface, the HDMI projection interface being disposed on the circuit board and communicating within the housing.

7. The portable projector of claim 1, wherein the first circuit board is wired to the second circuit board.

8. The portable projector of claim 1, wherein the second insulating housing comprises a battery switch, the battery being illuminated within the second insulating housing and conforming to a surface of the second insulating housing.

9. The portable projector of claim 1, wherein the projection lens is attached to and in communication with the first insulating housing.

10. The portable projector of claim 1, wherein the focus knob is disposed between the projection lens and the first insulating housing, the focus knob being for a projector adjustment power.