Magnetic LCD (Liquid Crystal Display) expansion base

Abstract

The utility model relates to the technical field of graphics card accessories, in particular to a magnetic attraction LCD (liquid crystal display) expansion base which comprises a base body and a display screen, an inclined plane is arranged above the base body, a first connecting contact is arranged on the inclined plane, and a second connecting contact electrically connected with the first connecting contact is arranged at the back end of the display screen; wherein a control unit is arranged in the base body, the inclined plane is used for placing the display screen so as to place the display screen on the base body, so that a user can place the display screen on other positions except a video card, such as a desktop, and the base design increases the use flexibility; according to the display device, the display screen is arranged, so that a user can check the state information of the display card more conveniently, the display content of the display screen can be conveniently controlled through the control part, and compared with a traditional operation mode depending on software, the key control mode is more intuitive and convenient, so that the parameters of the display card can be adjusted more quickly, and the monitoring content can be monitored more quickly.

Description

TECHNICAL FIELD

[0001] The utility model relates to a display card accessory technical field especially relates to a magnetic suction LCD extension base. BACKGROUND

[0002] With the development of modern computer technology, as one of the core components of the computer, the performance and running state of the display card have a crucial influence on the overall system performance. Users and system administrators often need to monitor the working state of the display card in real time, including temperature, frequency, fan speed and other key parameters, to ensure that the display card works in an efficient and stable state.

[0003] In order to realize the display of parameters, some of the existing technologies currently integrate a magnetically attractable display screen structure on the display card for displaying the working parameters of the current display card. For details, please refer to the Chinese patent publication No. "CN218896332U" which discloses a ring-shaped fan heat dissipation display card with a magnetic suction screen.

[0004] Since the display screen and the display card are connected through PIN pin insertion, the installation position of the display screen is fixed, which makes it impossible for the user to adjust the position and angle of the display screen according to his own observation habits or needs. This limitation makes it not intuitive and convenient for the user to observe the display card parameters, so there is still some limitation. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art that the position and angle of the display screen cannot be adjusted according to the user's own observation habits or needs, and provides a magnetic suction LCD extension base.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A magnetic suction LCD extension base is designed, which comprises a seat body and a display screen. The upper part of the seat body has an inclined surface, and the inclined surface is provided with a first connecting contact. The back end of the display screen is provided with a second connecting contact which is electrically connected with the first connecting contact.

[0008] The inside of the seat body is provided with a control unit which is electrically connected with the mainboard of the display card through wires. The control unit is electrically connected with the first connecting contact, and a control part is also installed on the control unit. An opening is formed on the end face of the seat body to avoid the control part.

[0009] Further, the seat body comprises an upper shell and a lower shell. The upper shell has an inclined surface, a flat part and an inclined support surface. The inclined surface and the inclined support surface form a triangular structure. The opening is formed on the end face of the flat part.

[0010] Further, a positioning column is fixedly installed on the end surface of the inclined surface, and a positioning hole adapted to the positioning column is formed in the back end of the display screen.

[0011] Further, a magnet is embedded on the inclined surface and the opposite surface of the display screen, and the two magnets are magnetically adsorbed.

[0012] Further, the inner side of the upper shell is provided with a plurality of docking columns, the inner side of the lower shell is provided with a plurality of connecting columns, the connecting columns are oppositely arranged with the docking columns and are locked by fasteners.

[0013] Further, a groove is formed in the bottom of the lower shell, and a rubber pad is bonded in the groove and covers the outside of the hole position of the connecting column.

[0014] Further, the control part is at least one key and / or control knob connected to the control unit.

[0015] The magnetic LCD expansion base has the advantages that: the inclined surface is arranged to place the display screen on the seat body, so that the user can place the display screen on other positions except the display card, such as the desktop, the flexible use of the base design enables the user to conveniently check the state information of the display card, and the display content of the display screen can be conveniently controlled through the control part, compared with the traditional software operation mode, the key control mode is more intuitive and convenient, so that the display card parameters and monitoring content can be quickly adjusted, the time for relying on software operation is reduced, and the convenience of debugging is greatly improved for the user who needs to frequently debug the display card performance. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of the utility model;

[0017] Figure 2 It is a seat body structure schematic view of the utility model;

[0018] Figure 3 It is a display screen structure schematic view of the utility model;

[0019] Figure 4 It is a sectional structure schematic view of the utility model;

[0020] Figure 5 It is a key circuit schematic view of the utility model;

[0021] Figure 6 It is a control unit circuit schematic view of the utility model;

[0022] Figure 7 It is a control knob circuit schematic view of the utility model;

[0023] Figure 8 It is the circuit schematic diagram of the connecting contact point of the utility model;

[0024] Figure 9 It is the circuit schematic diagram of the USB interface module of the utility model;

[0025] Figure 10 It is the circuit schematic diagram of the display screen of the utility model.

[0026] In the figure: 1, seat body;11, inclined surface;12, first connecting contact point;13, opening;14, upper shell;141, plane part;142, inclined bracing surface;143, butt joint column;15, lower shell;151, connecting column;152, rubber pad;16, positioning column;17, magnet;2, display screen;21, second connecting contact point;22, positioning hole;3, control unit;31, control part. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0028] Referring to Figures 1-10 For an embodiment of the utility model, it discloses a magnetic suction LCD expansion base, specifically the expansion base comprises a seat body 1 and a display screen 2, specifically, the connection circuit diagram of the display screen 2 in the embodiment can refer to Figure 10 As shown in the figure, the upper portion of the seat body 1 is provided with an inclined surface 11, the inclined surface 11 is provided with a first connecting contact point 12, the back end of the display screen 2 is provided with a second connecting contact point 21 electrically connected with the first connecting contact point 12;

[0029] The inside of the seat body 1 is provided with a control unit 3, the control unit 3 is electrically connected with the mainboard of a display card through wires, the control unit 3 is electrically connected with the first connecting contact point 12, the control unit 3 is further provided with a control part 31, the end surface of the seat body 1 is provided with an opening 13 avoiding the control part 31, of course, the first connecting contact point 12 in the embodiment can be provided as a PIN needle, the second connecting contact point 21 is provided as a PIN needle holder, the PIN needle and the PIN needle holder are plugged and adapted to realize the conduction of the circuit, the specific circuit connection diagram can refer to Figure 8 As shown in the figure.

[0030] That is to say, in the present embodiment by setting the inclined surface 11 for placing the display screen 2, so that the display screen 2 is placed on the seat body 1, so the user can place the display screen 2 on the graphics card outside other positions, such as the desktop, this kind of base design increases the flexibility of use, so that the user can more conveniently view the status information of the graphics card.

[0031] In some embodiments, the seat body 1 in the utility model includes an upper shell 14 and a lower shell 15, the upper shell 14 has an inclined surface 11, a flat part 141 and a diagonal bracing surface 142, a triangular structure is formed between the inclined surface 11 and the diagonal bracing surface 142, and the opening 13 is arranged on the end face of the flat part 141.

[0032] In addition, the lower shell 15 in the present embodiment is a plate, the control unit 3 is fixed on the lower shell 15, and further, a threading hole is arranged on the back end of the upper shell 14 in the utility model, and the connecting wire of the control unit 3 extends to the outside of the entire seat body 1 through the threading hole, the control unit 3 is electrically connected with the mainboard of the graphics card through a USB interface module in the present embodiment, so as to realize the transmission of the information of the graphics card to the control unit 3 and further to the display screen 2, as shown in Figure 9 The control unit 3 should include a single-chip microcomputer and the like, and the specific circuit diagram can be referred to as shown in Figure 6 The specific design method is a routine means for those skilled in the art, and will not be described in detail here.

[0033] As preferred, the end face of the inclined surface 11 in the present embodiment is also fixedly provided with a positioning column 16, and the back end of the display screen 2 is provided with a positioning hole 22 matched with the positioning column 16, specifically, the positioning column 16 in the present embodiment is provided with two, and the positioning hole 22 should also be matched with two, the positioning column 16 and the positioning hole 22 are matched in the present embodiment, which can realize the connection and positioning between the display screen 2 and the seat body 1, and further can avoid the sliding problem of the display screen 2 on the inclined surface 11.

[0034] On the basis of the above-mentioned embodiments, in order to realize magnetic adsorption, the inclined surface 11 and the opposite surface of the display screen 2 in the present embodiment are embedded with a magnet 17, and the two magnets 17 are magnetically adsorbed, that is, by using the opposite magnet 17 structure, the magnetic adsorption effect between the display screen 2 and the seat body 1 is realized, so as to improve the stability of the connection.

[0035] It needs to be explained that the inside of the upper shell 14 has a plurality of docking columns 143 in the embodiments of the utility model, the inside of the lower shell 15 is provided with a plurality of connecting columns 151, the connecting column 151 is oppositely arranged with the docking column 143, and is locked by a fastener, and the fastener in the embodiment is preferably arranged as a bolt, wherein the connecting column 151 and the docking column 143 are both arranged as a tubular structure, and of course the inside of the connecting column 151 is a terraced hole position for placing the bolt to ensure that the bottom of the whole lower shell 15 is flush.

[0036] On the basis of the above-mentioned embodiments, the bottom of the lower shell 15 is also provided with a groove in the embodiment, the rubber pad 152 is bonded in the groove, and the rubber pad 152 covers the outside of the hole position of the connecting column 151, and through the design of the rubber pad 152 in the embodiment, one is to enhance the friction force of the whole seat body 1 placed on the desktop to improve the stability of the placement, and secondly, the bottom of each connecting column 151 is shielded and closed by the rubber pad 152, which can not only protect the internal bolt, but also enhance the appearance consistency of the whole seat body.

[0037] As shown in Figure 5 and Figure 7 Furthermore, the control part 31 in the utility model is at least one key and / or control knob connected on the control unit 3, wherein Figure 5 It is the key circuit diagram in the embodiment, the key can be provided with four, and the Figure 7 It is the circuit connection diagram of the control knob, the key can be used for switching control to the display content of the display screen 2, and the control rotation can control the volume, further improving the convenience and efficiency of use. Compared with the traditional software operation mode, the key control mode is more intuitive and convenient.

[0038] Specifically, the circuit principle disclosed in the utility model is that the bit number J5 patch seat is connected with the computer host USB interface through the external USB cable, inputs 5V power supply to the whole board system, realizes the communication between the upper computer software and the mainboard USB2.0, the bit numbers D1, D2 and D3 are ESD static diodes, which can protect electronic components from static breakdown damage.

[0039] The USB2.0 differential wiring passes through the bit number L1 common mode inductor, connects (bit number U3) USB_HUB chip (one-to-four), and actually only uses two ways (one-to-two) among them, one way of USB connects the single-chip microcomputer control, and the other way of USB connects the bit number J4, and communicates and controls the external LCD liquid crystal screen through USB2.0.

[0040] The bit numbers C2 and C3 are power filter / energy storage. The bit number R1 is a series resistor for current limiting, which plays a current limiting role by limiting the size of the current.

[0041] Bit No. J8 is a type 11 rotary knob encoder, which is connected with the single-chip microcomputer ZA (PA3) pin through A terminal in series (bit No. R10) 10K resistor, and when rotating left, controls the computer to adjust the volume reduction function, and is connected with the single-chip microcomputer ZB (PA1) pin through B terminal in series (bit No. R12) 10K resistor, and when rotating right, controls the computer to adjust the volume increase function, and bit No. R7 and R8 are 10K pull-up resistors, which are used for stabilizing input signals, and the D terminal is an internal key switch, which is connected with the single-chip microcomputer KEYC1 (PD7) pin in series (bit No. R11) 0R resistor, and when short pressing, controls the computer / microphone mute function.

[0042] Bit No. LED1, LED2, LED3 and LED4 are four patch RGB three-color lamp beads, which are composed of red (R), green (G) and blue (B) three-color LEDs, each LED has a corresponding driving circuit, the first pin of the R foot of the four red lamps is connected with the single-chip microcomputer LEDCOM0 (PA4) pin in series (bit No. R13) 10R resistor, the second pin of the G foot of the four green lamps is connected with the single-chip microcomputer LEDCOM1 (PA5) pin in series (bit No. R14) 10R resistor, the third pin of the B foot of the four blue lamps is connected with the single-chip microcomputer LEDCOM2 (PA6) pin in series (bit No. R15) 10R resistor, and the brightness thereof is controlled, and through adjusting the brightness and mixing ratio of each LED, the required color output can be realized. The positive electrode of LED1 is connected with the single-chip microcomputer LEDSEG0 (PF0) pin through the fourth pin to control the power lamp on-off switch, the positive electrode of LED2 is connected with the single-chip microcomputer LEDSEG1 (PF1) pin through the fourth pin to control the power lamp on-off switch, the positive electrode of LED3 is connected with the single-chip microcomputer LEDSEG2 (PF2) pin through the fourth pin to control the power lamp on-off switch, and the positive electrode of LED4 is connected with the single-chip microcomputer LEDSEG3 (PF3) pin through the fourth pin to control the power lamp on-off switch.

[0043] The following illustrates one implementable operation mode in the utility model, and of course, the skilled in the art can also adaptively modify the control of each key or knob switch according to requirements, and the example does not affect the improvement of the structure of the application;

[0044] Specifically, in the embodiment, the bit No. SW5 key is connected with the single-chip microcomputer LEDCOM3 (PA7) pin through the first pin and connected with the single-chip microcomputer KEYC0 (PD6) pin through the second pin, and can realize three functions, which are respectively:

[0045] a. Short pressing defaults Ctrl+C copy;

[0046] b. Long pressing 3S opens the iGame host computer software;

[0047] c.①+② number combination key fan full speed and fan full speed running time, while the corresponding LED1 light point.

[0048] Bit number SW6 button 1st Pin connects the microcontroller LEDCOM4 (PB0) pin, the second Pin connects the microcontroller KEYC0 (PD6) pin, can realize three functions, respectively, are:

[0049] a. short press default Ctrl + V paste;

[0050] b. long press 3S open task manager;

[0051] c. ②+③ number switch keyboard light color, a variety of colorful light, while the corresponding LED2 light point.

[0052] Bit number SW7 button 1st Pin connects the microcontroller LEDCOM5 (PB1) pin, the second Pin connects the microcontroller KEYC0 (PD6) pin, can realize three functions, respectively, are:

[0053] a. short press default Alt + Tab background switching;

[0054] b. long press 3S open frame number monitoring;

[0055] c. ③+④ number switch LCD display mode, while the corresponding LED3 light point.

[0056] Bit number SW8 button 1st Pin connects the microcontroller PB4_KEY (PB4) pin, the second Pin connects the microcontroller KEYC0 (PD6) pin, can realize two functions, respectively, are:

[0057] a. short press screenshot;

[0058] b. long press 3S switch graphics card light mode or color, while the corresponding LED4 light point.

[0059] The default several combination key functions, users can change to other custom functions through the host computer software.

[0060] Four keys support software anti-jitter function, bit number D4, D5, D6, D7 for ESD static diode.

[0061] Bit number U2 for MCU, support pause and wake up function to reduce power consumption, compatible with USB 2.0 full speed mode, package type for SSOP 28-pin, support in system programming function ISP, bit number C9 and C11 for filter capacitor, the 6th Pin and the 14th Pin for 5V power input, bit number J3 for DeBug debugging interface.

[0062] Position J4 is the external LCD screen interface socket, which is connected to the LCD through an external cable. The first Pin is a 5V power output to power the LCD screen system. The second and third Pins are USB2.0 differential signal transmission data lines, and the fourth Pin is GND.

[0063] Position U3 is the USB2.0_HUB chip, packaged in an SSOP 28-pin. Position Y1 is a surface-mount passive crystal oscillator, whose primary function is to provide a stable clock signal, ensuring the accuracy and stability of electronic equipment. Positions C12 and C13 provide filtering and noise reduction. Positions R18 and C21 are the R / C reset circuit, which restores the circuit to its initial state and clears any temporarily stored data and status. Position 23 is the 5V power input. Positions C14, C15, C16, C17, C18, C19, and C20 are power filter capacitors.

[0064] In summary, the inclined surface 11 provided in the present invention is used to place the display screen 2, so that the display screen 2 is placed on the base 1, so that the user can place the display screen 2 in other locations other than the graphics card, such as on a desktop. This base design increases the flexibility of use, allowing the user to more conveniently view the status information of the graphics card. Secondly, the display content of the display screen 2 can be conveniently controlled through the control unit 31. Compared with the traditional method of relying on software operation, the button control method is more intuitive and convenient, so that the graphics card parameters and monitoring content can be adjusted more quickly, and the time of relying on software operation is reduced. For users who need to frequently debug the performance of the graphics card, the convenience of debugging is greatly improved.

[0065] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A magnetic attraction LCD expansion base, comprising a seat body (1) and a display screen (2), characterized in that: The upper side of the seat body (1) is provided with an inclined surface (11), and the first connecting contact (12) is arranged on the inclined surface (11); the back end of the display screen (2) is provided with the second connecting contact (21) electrically connected with the first connecting contact (12). The inside of the seat body (1) is provided with the control unit (3), the control unit (3) is electrically connected with the mainboard of the display card through the wire, the control unit (3) is electrically connected with the first connecting contact (12), and the control unit (3) is further provided with the control part (31), and the end surface of the seat body (1) is provided with the opening (13) avoiding the control part (31).

2. The magnetic LCD expansion stand of claim 1, wherein: The seat body (1) comprises the upper shell (14) and the lower shell (15), the upper shell (14) has the inclined surface (11), the plane part (141) and the inclined support surface (142), the inclined surface (11) and the inclined support surface (142) form a triangular structure, and the opening (13) is arranged on the end surface of the plane part (141).

3. The magnetic LCD expansion stand of claim 1, wherein: The positioning column (16) is further fixedly installed on the end surface of the inclined surface (11), and the back end of the display screen (2) is provided with the positioning hole (22) matched with the positioning column (16).

4. The magnetic LCD expansion stand of claim 1, 2 or 3, wherein: The inclined surface (11) and the opposite surface of the display screen (2) are both embedded with the magnet (17), and the two magnets (17) are magnetically adsorbed.

5. The magnetic LCD expansion stand of claim 2, wherein: The inner side of the upper shell (14) is provided with a plurality of docking columns (143), the inner side of the lower shell (15) is provided with a plurality of connecting columns (151), the connecting columns (151) are oppositely arranged with the docking columns (143) and are locked through the fastener.

6. The magnetic LCD expansion stand of claim 5, wherein: The bottom of the lower shell (15) is further provided with the recess, the rubber pad (152) is bonded in the recess, and the rubber pad (152) covers the outer side of the hole position of the connecting column (151).

7. The magnetic LCD expansion base of any one of claims 1-6, wherein: The control part (31) is at least one key and / or control knob connected with the control unit (3).

Images