PSSD screen projector

Abstract

The utility model relates to the technical field of screen projectors, and provides a PSSD screen projector, which comprises a shell, two inner chutes symmetrically arranged on the inner wall of the shell, a circuit board slidably connected in the two inner chutes, cover plate grooves arranged at the two ends of the opening of the shell, and a cover plate arranged in the cover plate grooves. And the interior of one cover plate groove is movably connected with a shell front cover in a sealing manner. The screen projector is connected with a projection screen in a wired mode, is small in size, portable, capable of being connected to equipment for use anytime and anywhere, capable of stably supplying power to a mobile phone, small in projection screen transmission delay, smooth and stable, and provided with a solid-state groove, so that when the mobile phone is connected with the screen projector, the storage space of the mobile phone can be expanded, and the mobile phone is convenient to use. The processed materials can be stored in a newly added volume or directly work in the newly added volume during screen projection, and a user can change the solid state of the screen projector by himself, so that the working efficiency of the mobile phone using the screen projector is improved.

Description

Technical Field

[0001] This utility model relates to the field of screen projector technology, and in particular to a PSSD screen projector. Background Technology

[0002] With the widespread use of smartphones and the improvement of their camera capabilities, people are increasingly accustomed to using their phones to project onto large screens for work, watching movies and TV shows, playing games, and more. Many smartphones can support up to 4K shooting, a professional film and television specification. Many users like to use their phones to shoot and record high-resolution photos and videos, and then use a phone screen projector to project them onto large screen devices such as monitors and TVs to view or process the footage.

[0003] In existing technologies, screen mirroring devices are bulky and fixed to tables or other environments. These include wired and wireless screen mirroring, but wireless screen mirroring suffers from latency and unstable transmission. When processing video and photo footage on a mobile phone, wired screen mirroring devices are often used. However, these devices consume a large portion of the phone's storage space, frequently leading to insufficient storage. Processed footage must then be transferred to other storage devices before further processing. This method is inefficient for handling large volumes of video footage and is not convenient for mobile screen mirroring. Utility Model Content

[0004] The purpose of this invention is to address the problems of existing screen mirroring devices, including wired and wireless screen mirroring, which are bulky and fixed to tables or other environments, and wireless screen mirroring suffers from latency and unstable transmission. When processing video and photo footage on a mobile phone, wired screen mirroring devices are often used. However, these devices consume a large portion of the phone's storage space, frequently leading to insufficient storage. Processed footage must then be transferred to other storage devices for further processing. This method is inefficient for handling large volumes of video footage and is inconvenient for mobile screen mirroring.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: a PSSD projection device, comprising: a housing, and further comprising:

[0006] Two inner sliding grooves are symmetrically opened on the inner wall of the housing. A circuit board is slidably connected inside the two inner sliding grooves. Cover plate grooves are opened at both ends of the opening of the housing. The front cover of the outer shell is movably connected inside one of the cover plate grooves, and the rear cover of the outer shell is movably connected inside the other cover plate groove.

[0007] Preferably, the circuit board is provided with a PD power supply interface and an HDMI interface.

[0008] Preferably, a PD interface opening is provided on one side of the front cover of the housing, and the PD power supply interface is plugged into the PD interface opening. An HDMI interface opening is provided on one side of the front cover of the housing, and the HDMI interface is plugged into the HDMI interface opening.

[0009] Preferably, the outer surface of the housing is provided with multiple heat dissipation stripes, and the housing is made of aluminum.

[0010] Preferably, both the front cover and the rear cover of the housing have two symmetrical mounting holes, and screws are movably connected inside the mounting holes.

[0011] Preferably, threaded holes are provided at both ends of the inner wall of the inner groove, and one end of the screw is threaded into the inside of the threaded hole.

[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0013] 1. This utility model discloses a screen projector that uses a wired connection for screen projection. It is small, lightweight, and portable, and can be connected to devices anytime and anywhere. It can stably power mobile phones, and the screen projection transmission has low latency and is smooth and stable. The screen projector has a solid-state drive slot, which can expand the storage space of mobile phones when connected to the screen projector. When editing videos and pictures, the processed materials can be transferred to a new scroll or worked on directly in the new scroll. Users can replace the solid-state drive of the screen projector to improve the working efficiency of using the screen projector with mobile phones.

[0014] 2. This utility model involves inserting the circuit board into the inner sliding groove inside the housing, then placing the front cover and rear cover of the housing into the cover plate grooves at both ends of the housing, inserting screws into the mounting holes, and using a tool to rotate the screws into the threaded holes to fix the front cover and rear cover of the housing. This allows for quick installation of the device. Conversely, it allows for quick disassembly of the device. This facilitates the installation and disassembly of the device, thereby making it convenient to inspect or replace the circuit board.

[0015] 3. In this utility model, screws can limit the two sides of the circuit board, which can prevent the circuit board from sliding and thus ensure that the circuit board will not be displaced or damaged by collision.

[0016] 4. This utility model uses aluminum material for the shell, which makes the shell wear-resistant, pressure-resistant and not easily deformed, thereby improving the drop resistance of the projector.

[0017] 5. This utility model has a certain space between the circuit board and the housing, which allows heat dissipation silicone pads to be attached to both sides of the circuit board. With the help of heat dissipation strips, the contact area with air is increased, and the heat dissipation effect is improved, thereby preventing the internal temperature from becoming too high and causing recording interruption during long-term high-specification video recording.

[0018] 6. This utility model, by tightly fitting the front cover and rear cover of the outer shell with the cover plate groove, can not only improve the stability of the entire shell, but also prevent dust from entering the interior of the shell, thereby protecting the circuit board and improving the service life of the projector. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the disassembled structure of a PSSD screen projector provided by this utility model.

[0020] Legend:

[0021] 1. Housing; 2. Inner groove; 3. Heat dissipation stripes; 4. Cover plate groove; 5. Threaded hole; 6. Front cover of the housing; 7. PD interface opening; 8. HDMI interface opening; 9. Rear cover of the housing; 10. Type-C interface; 11. Circuit board. Detailed Implementation

[0022] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0023] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0024] Example 1, such as Figure 1 As shown, this utility model provides a PSSD projection device, including: a housing 1, and two inner sliding grooves 2, which are symmetrically opened on the inner wall of the housing 1. A circuit board 11 is slidably connected inside the two inner sliding grooves 2. Cover plate grooves 4 are opened at both ends of the opening of the housing 1. The front cover 6 of the outer shell is movably connected inside one of the cover plate grooves 4, and the rear cover 9 of the outer shell is movably connected inside the other cover plate groove 4.

[0025] Furthermore, such as Figure 1 As shown, circuit board 11 is equipped with a PD power supply interface and an HDMI interface.

[0026] Furthermore, such as Figure 1 As shown, a PD interface opening 7 is provided on one side of the front cover 6 of the housing, and the PD power supply interface is plugged into the PD interface opening 7. An HDMI interface opening 8 is provided on one side of the front cover 6 of the housing, and the HDMI interface is plugged into the HDMI interface opening 8.

[0027] Furthermore, such as Figure 1As shown, the outer surface of the housing 1 is provided with multiple heat dissipation stripes 3, and the housing 1 is made of aluminum.

[0028] Furthermore, such as Figure 1 As shown, both the front cover 6 and the rear cover 9 of the outer casing have two symmetrical mounting holes, and screws are movably connected inside the mounting holes.

[0029] Furthermore, such as Figure 1 As shown, threaded holes 5 are provided at both ends of the inner wall of the inner groove 2, and one end of the screw is threaded into the inside of the threaded hole 5.

[0030] Working principle: In use, the circuit board 11 is inserted into the inner groove 2 inside the housing 1. Then, the front cover 6 and the rear cover 9 are respectively placed in the cover plate grooves 4 at both ends of the housing 1. Screws are then inserted into the mounting holes and turned with a tool to make the screws turn into the threaded holes 5, thus fixing the front cover 6 and the rear cover 9. This allows for quick installation of the device. Conversely, it allows for quick disassembly of the device. This facilitates the installation and disassembly of the device, making it convenient for the inspection or replacement of the circuit board 11. At the same time, the screws can limit the movement of the circuit board 11 on both sides, preventing it from sliding and ensuring that the circuit board 11 will not be displaced or damaged by collision. Furthermore, the housing 1 is made of aluminum, making it wear-resistant. The pressure resistance and resistance to deformation enhance the screen projector's drop resistance. A certain space exists between the circuit board 11 and the housing 1, allowing thermal pads to be attached to both sides of the circuit board 11. Combined with the heat dissipation strips 3, this increases the contact area with air, improving heat dissipation and preventing overheating during prolonged high-resolution video recording that could interrupt recording. The tight fit between the front cover 6 and the rear cover 9 and the cover plate groove 4 not only improves the overall stability of the housing but also prevents dust from entering, protecting the circuit board 11 and extending the lifespan of the screen projector. The circuit board 11 has a PD power supply interface for connecting to an external power source. After connecting to an external power source, the power switch controls the operation of the screen projector. Power can be supplied via Type-C. The UFP port provides up to 100W charging for the host device. Circuit board 11 contains a main control chip, such as JMS580, which expands the Type-C interface to support DP Alt output. It can transmit data and video signals with the connected external host. Circuit board 11 implements a USB 3.1 Gen 1 to M.2 interface conversion through the main control chip, which can connect solid-state drives of different sizes and capacities. When the projector is connected to the external host through the Type-C interface 10, the external host detects the solid-state information via USB OTG to expand the capacity of the new volume. Data writing and reading can be performed between the host and the projector. Circuit board 11 contains a Type-C to HDMI chip, such as GsV2201s, which expands the HDMI interface for connecting to the monitor. The conversion chip converts the DP video signal received from the host device into an HDMI video signal and outputs it to the monitor through the HDMI interface.

[0031] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A PSSD screen mirroring device, comprising: The housing (1) is characterized in that it further comprises: Two inner sliding grooves (2) are symmetrically opened on the inner wall of the housing (1). A circuit board (11) is slidably connected inside the two inner sliding grooves (2). A cover plate groove (4) is opened at both ends of the opening of the housing (1). The front cover (6) of the outer shell is sealed and movably connected inside one of the cover plate grooves (4), and the rear cover (9) of the outer shell is sealed and movably connected inside the other cover plate groove (4).

2. The PSSD screen mirroring device according to claim 1, characterized in that: The circuit board (11) is provided with a PD power supply interface and an HDMI interface.

3. A PSSD projection device according to claim 2, characterized in that: A PD interface opening (7) is provided on one side of the front cover (6) of the housing, and the PD power supply interface is plugged into the PD interface opening (7). An HDMI interface opening (8) is provided on one side of the front cover (6) of the housing, and the HDMI interface is plugged into the HDMI interface opening (8).

4. A PSSD projection device according to claim 1, characterized in that: The outer surface of the housing (1) is provided with multiple heat dissipation stripes (3), and the housing (1) is made of aluminum.

5. A PSSD projection device according to claim 3, characterized in that: The front cover (6) and the rear cover (9) of the outer shell are each symmetrically provided with two mounting holes, and screws are movably connected inside the mounting holes.

6. A PSSD projection device according to claim 5, characterized in that: Both ends of the inner wall of the inner groove (2) are provided with threaded holes (5), and one end of the screw is threaded into the inside of the threaded hole (5).

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