Wireless screen transmission equipment

Abstract

The utility model relates to the technical field of wireless screen transmission, and discloses wireless screen transmission equipment, which comprises a bottom shell and a shell cover, the shell cover is detachably mounted at the top of the bottom shell through bolts, a control button is mounted at the top of the shell cover, and cushion columns are mounted at triangular ends of the bottom of the bottom shell. According to the wireless screen transmission equipment, the bottom shell is supported upwards, the bottom of the bottom shell is prevented from being completely attached to a table top, the heat dissipation area of the bottom shell is enlarged, meanwhile, the heat conduction assembly absorbs heat at the bottom of the PCB, the heat conduction assembly absorbs heat floating upwards in the bottom shell, the heat dissipation area in the shell cover is enlarged, and the heat dissipation efficiency is improved. The heat dissipation effect of the wireless screen transmission equipment in the working state is improved, so that the temperature stability of the wireless screen transmission equipment in the working process is guaranteed, on one hand, the use stability of the wireless screen transmission equipment is improved, and on the other hand, the service life of the wireless screen transmission equipment is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of wireless screen transmission, and in particular to a wireless screen transmission device. Background Art

[0002] Wireless screen transmission users can place their laptops anywhere in the home as they wish. Through wireless screen transmission, the current operation content on the laptop can be displayed on the flat-screen TV in real time and synchronously, where the displayed content includes various multimedia information such as video and audio. In the prior art, wireless screen transmission equipment usually includes a transmitter body and a receiver body. The transmitter body is connected to the computer to obtain the video and audio signals of the computer. The receiver body is usually a device similar to a wireless router, and the receiver body is connected to the flat-screen TV.

[0003] With regard to the existing related technologies, the inventors believe that the following defects often exist: when in use, the transmitter body is connected to the computer for communication via USB, and at this time the transmitter is directly placed on the table. On the one hand, the transmitter is directly placed on the table, and the heat dissipation surface at the bottom of the transmitter is blocked by the table, which will cause the bottom of the transmitter to be severely heated. On the other hand, traditional transmitter heat dissipation is to open a number of heat dissipation holes for heat dissipation, and the heat dissipation effect is poor. Long-term heat generation affects the service life of the wireless screen transmission equipment.

[0004] To this end, we propose a wireless screen transmission device. Utility Model Content

[0005] In view of the fact that the above-mentioned existing transmitting end is directly placed on the table, on the one hand, the transmitting end is directly placed on the table, and the heat dissipation surface at the bottom of the transmitting end is blocked by the table, which will cause the bottom of the transmitting end to be seriously heated, and on the other hand, the traditional transmitting end heat dissipation is to open a number of heat dissipation holes for heat dissipation, and the heat dissipation effect is not good. The problem that long-term heating affects the service life of the wireless screen transmission equipment is proposed.

[0006] Therefore, the purpose of the utility model is to provide a wireless screen transmission device, the purpose of which is to increase the heat dissipation surface of the wireless screen transmission device, and to increase the heat dissipation structure to improve the heat dissipation effect of the wireless screen transmission device.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a wireless screen transmission device, comprising a bottom shell and a shell cover, wherein the shell cover is detachably mounted on the top of the bottom shell by bolts, a control button is mounted on the top of the shell cover, and pads are mounted on the triangular ends of the bottom of the bottom shell;

[0008] A mounting hole is provided at the bottom of the bottom shell, a heat dissipation component is installed inside the mounting hole, a PCB board is installed on one end surface of the heat dissipation component, a USB cable is installed on the USB interface end of the PCB board, a heat-absorbing heat-conducting component is installed on the top of the inner wall of the shell cover, and the heat dissipation end of the heat-conducting component is in contact with the heat dissipation component, and the heat dissipation component absorbs and dissipates heat from the heat-conducting component.

[0009] As a preferred solution of the wireless screen transmission device described in the utility model, wherein: three fixing protrusions are installed at equal intervals on the peripheral surface of the PCB board, and a fixing through hole is opened on the top of the fixing protrusion, and a circle of internal threaded tubes is installed around the mounting hole on the top of the bottom shell, and the number of fixing protrusions of the internal threaded tubes is consistent, and a locking bolt is threadedly installed on the internal threaded tube.

[0010] As a preferred solution of the wireless screen transmission device described in the utility model, the heat dissipation component includes a heat sink installed inside the mounting hole, and the bottom end of the PCB board is in conflict with the top end of the heat sink.

[0011] As a preferred solution of the wireless screen transmission device described in the utility model, wherein: a plurality of heat dissipation strips are welded at equal intervals on the bottom of the heat sink, and a row of heat dissipation holes is opened on one side of the heat dissipation strip.

[0012] As a preferred solution of the wireless screen transmission device described in the utility model, a sealing ring is fixed on the inner wall surface of the mounting hole, and the heat sink is fixed in the inner hole of the sealing ring.

[0013] As a preferred solution of a wireless screen transmission device described in the utility model, wherein: the heat dissipation assembly also includes three arc-shaped limit blocks fixed on the top of the bottom shell, and the three arc-shaped limit blocks are installed around the mounting holes, a limited circular cavity is formed between the inner wall surfaces of the three arc-shaped limit blocks, and the heat sink and the PCB board are both located inside the limited circular cavity.

[0014] As a preferred solution of a wireless screen transmission device described in the utility model, wherein: the heat-conducting component includes a heat-conducting plate installed on the top of the inner wall of the shell cover, the top of the heat-conducting plate is provided with a hollow hole coaxial with the control button, a circle of heat-conducting blocks surrounding the hollow hole is fixed to the outward edge of the bottom of the heat-conducting plate, a circle of heat-dissipating blocks with the same number as the heat-dissipating blocks is welded on the peripheral surface of the heat sink, and the corresponding heat-conducting blocks and heat-dissipating blocks are in a state of conflict.

[0015] Beneficial effects of the utility model:

[0016] 1. In the utility model, the pad column will directly prop up the bottom shell upwards to prevent the bottom of the bottom shell from completely fitting with the table top, so as to expand the heat dissipation area of ​​the bottom shell and improve the heat dissipation effect. The PCB board is installed on the top of the heat sink. When the PCB board is working, the heat generated will be transferred to the heat sink in the first time, and the heat sink will absorb and dissipate the heat. At the same time, the heat dissipation strip will further absorb and dissipate the heat on the heat sink. Moreover, the heat dissipation strip is located outside the bottom shell, and heat dissipation holes are opened on the heat dissipation strip. The air flow will drive the heat on the heat dissipation strip, so as to improve the heat dissipation effect of the heat dissipation strip on the heat sink.

[0017] 2. In the utility model, the heat inside the shell cover will be in a rising state and will be absorbed by the heat conducting plate. The heat of the heat conducting plate will be transferred to the heat sink through the contact between the heat conducting block and the heat dissipation block. The heat on the heat conducting plate will be absorbed and dissipated by the heat sink.

[0018] 3. The utility model props up the bottom shell to prevent the bottom of the bottom shell from completely fitting against the table top, thereby expanding the heat dissipation area of ​​the bottom shell. At the same time, the thermal conductive component absorbs the heat from the bottom of the PCB board, and the thermal conductive component absorbs the heat floating inside the bottom shell, thereby expanding the heat dissipation area inside the shell cover, and improving the heat dissipation effect of the wireless screen transmission device in the working state, so as to ensure the temperature stability of the wireless screen transmission device during operation. On the one hand, it improves the stability of the use of the wireless screen transmission device, and on the other hand, it extends the service life of the wireless screen transmission device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0020] Figure 1 The utility model is a schematic diagram of the overall structure of a wireless screen transmission device.

[0021] Figure 2 The utility model is a schematic diagram of the exploded structure of the bottom shell and the shell cover of the wireless screen transmission device.

[0022] Figure 3 The utility model is a schematic diagram of the internal structure of the bottom shell of a wireless screen transmission device.

[0023] Figure 4 The utility model is a schematic diagram of the bottom shell of a wireless screen transmission device viewed from above.

[0024] Description of reference numerals:

[0025] 1. Bottom shell; 11. Shell cover; 12. Control button; 13. USB cable; 14. PCB board; 15. Mounting hole; 16. Fixing bump; 17. Locking bolt; 18. Internal threaded barrel; 2. Heat conduction component; 21. Heat conduction plate; 22. Heat conduction block; 23. Hollow hole; 3. Heat dissipation component; 31. Sealing ring; 32. Heat sink; 33. Heat dissipation block; 34. Arc limit block; 35. Heat dissipation strip; 36. Heat dissipation hole; 4. Cushion column. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0027] Example 1

[0028] Reference Figure 1-4 , which is the first embodiment of the utility model, provides a wireless screen transmission device, which includes a bottom shell 1 and a shell cover 11. The shell cover 11 is detachably installed on the top of the bottom shell 1 by bolts. A control button 12 is installed on the top of the shell cover 11. The triangular ends of the bottom of the bottom shell 1 are all installed with pads 4. The three pads 4 installed at the bottom of the bottom shell 1 will directly prop up the bottom shell 1 upward to prevent the bottom of the bottom shell 1 from completely fitting with the table surface, so as to expand the heat dissipation area of ​​the bottom shell 1 and improve the heat dissipation effect. The peripheral surface of the shell cover 11 is provided with heat dissipation circular holes;

[0029] A mounting hole 15 is provided at the bottom of the bottom shell 1, a heat dissipation component 3 is installed inside the mounting hole 15, a PCB board 14 is installed on one end face of the heat dissipation component 3, a USB cable 13 is installed on the USB interface end of the PCB board 14, and a through hole for the USB cable 13 to pass through is provided on the shell cover 11, a heat-absorbing heat-conducting component 2 is installed on the top of the inner wall of the shell cover 11, and the heat dissipation end of the heat-conducting component 2 is in contact with the heat dissipation component 3, and the heat dissipation component 3 absorbs and dissipates heat from the heat-conducting component 2.

[0030] The pad 4 props up the bottom shell 1 to prevent the bottom of the bottom shell 1 from completely fitting against the table surface, thereby expanding the heat dissipation area of ​​the bottom shell 1. At the same time, the thermal conductive component 2 absorbs the heat at the bottom of the PCB board 14, and the thermal conductive component 2 absorbs the heat floating up inside the bottom shell 1, thereby expanding the heat dissipation area inside the shell cover 11, and improving the heat dissipation effect of the wireless screen transmission device in the working state, so as to ensure the temperature stability of the wireless screen transmission device during the working process. On the one hand, it improves the stability of the use of the wireless screen transmission device, and on the other hand, it extends the service life of the wireless screen transmission device.

[0031] Three fixing protrusions 16 are installed at equal intervals on the peripheral surface of the PCB board 14, and a fixing through hole is opened on the top of the fixing protrusion 16. A circle of internal threaded tubes 18 are installed around the mounting hole 15 on the top of the bottom shell 1, and the number of internal threaded tubes 18 is consistent with the fixing protrusions 16. Locking bolts 17 are threadedly installed on the internal threaded tubes 18, and the locking bolts 17 pass through the fixing through holes on the fixing protrusions 16.

[0032] The heat dissipation assembly 3 includes a heat sink 32 installed inside the mounting hole 15, and the bottom end of the PCB board 14 is in conflict with the top end of the heat sink 32. The PCB board 14 is installed on the top of the heat sink 32. When the PCB board 14 generates heat during operation, it will also be transferred to the heat sink 32 in the first time and absorbed and dissipated by the heat sink 32.

[0033] A plurality of heat dissipation bars 35 are welded at equal intervals on the bottom of the heat sink 32. The heat dissipation bars 35 further absorb and dissipate the heat on the heat sink 32. The heat dissipation bars 35 are located outside the bottom shell 1. A row of heat dissipation holes 36 are provided on one side of the heat dissipation bars 35. The heat dissipation holes 36 are provided on the heat dissipation bars 35. Air flow will drive the heat on the heat dissipation bars 35, thereby improving the heat dissipation effect of the heat dissipation bars 35 on the heat sink 32.

[0034] A sealing ring 31 is fixed on the inner wall surface of the mounting hole 15 , and a heat sink 32 is fixed in the inner hole of the sealing ring 31 .

[0035] During use, three cushion columns 4 installed at the bottom of the bottom shell 1 will directly prop up the bottom shell 1;

[0036] The PCB board 14 is installed on the top of the heat sink 32. When the PCB board 14 generates heat during operation, the heat will be immediately transferred to the heat sink 32 and absorbed and dissipated by the heat sink 32.

[0037] The heat dissipation bar 35 will further absorb and dissipate the heat on the heat sink 32. The heat dissipation bar 35 is located outside the bottom shell 1. At the same time, a heat dissipation hole 36 is opened on the heat dissipation bar 35. The air flow will drive the heat on the heat dissipation bar 35, thereby improving the heat dissipation effect of the heat dissipation bar 35 on the heat sink 32.

[0038] Example 2

[0039] Reference Figure 1-4 , which is the second embodiment of the utility model, and this embodiment is different from the first embodiment in that:

[0040] The heat dissipation assembly 3 also includes three arc-shaped limit blocks 34 fixed on the top of the bottom shell 1, and the three arc-shaped limit blocks 34 are installed around the mounting hole 15. A limited circular cavity is formed between the inner wall surfaces of the three arc-shaped limit blocks 34, and the heat sink 32 and the PCB board 14 are both located inside the limited circular cavity. A cavity for limiting the PCB board 14 is formed between the three arc-shaped limit blocks 34, which is convenient for placing the PCB board 14 and is more conducive to the alignment of the fixed protrusion 16 and the internal threaded tube 18.

[0041] The heat conducting component 2 includes a heat conducting plate 21 installed on the top of the inner wall of the shell cover 11. A hollow hole 23 coaxial with the control button 12 is opened on the top of the heat conducting plate 21, and the diameter of the hollow hole 23 is larger than the diameter of the control button 12. A circle of heat conducting blocks 22 surrounding the hollow hole 23 is fixed to the outward edge of the bottom of the heat conducting plate 21. A circle of heat dissipation blocks 33 with the same number as the heat conducting blocks 22 is welded on the peripheral surface of the heat sink 32, and the corresponding heat conducting blocks 22 and heat dissipation blocks 33 are in a state of conflict. The heat inside 11 will be in a rising state and will be contacted and absorbed by the heat conducting plate 21. The heat of the heat conducting plate 21 will be transferred to the heat sink 32 through the contact between the heat conducting blocks 22 and the heat dissipation blocks 33, and the heat on the heat conducting plate 21 will be absorbed and dissipated through the heat sink 32.

[0042] During use, the heat inside the shell cover 11 will be in a rising state and will be absorbed by the heat conducting plate 21 through contact with the heat dissipation block 33. The heat on the heat conducting plate 21 will be transferred to the heat sink 32 through the heat conducting block 22 and the heat dissipation block 33. The heat on the heat conducting plate 21 will be absorbed and dissipated through the heat sink 32.

[0043] The remaining structures are the same as those of Example 1.

[0044] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A wireless screen transmission device, comprising a bottom shell (1) and a shell cover (11), characterized in that: The shell cover (11) is detachably mounted on the top of the bottom shell (1) by means of bolts, a control button (12) is mounted on the top of the shell cover (11), and pads (4) are mounted on the triangular ends of the bottom of the bottom shell (1); The bottom of the bottom shell (1) is provided with a mounting hole (15), a heat dissipation component (3) is installed inside the mounting hole (15), a PCB board (14) is installed on one end surface of the heat dissipation component (3), a USB cable (13) is installed on the USB interface end of the PCB board (14), a heat-absorbing heat-conducting component (2) is installed on the top of the inner wall of the shell cover (11), and the heat dissipation end of the heat-conducting component (2) is in contact with the heat dissipation component (3), and the heat dissipation component (3) absorbs and dissipates heat from the heat-conducting component (2).

2. A wireless screen transmission device according to claim 1, characterized in that: The peripheral surface of the PCB board (14) is provided with three fixing protrusions (16) at equal intervals, and the top of each fixing protrusion (16) is provided with a fixing through hole. The top of the bottom shell (1) is provided with a circle of internal threaded tubes (18) around the mounting holes (15), and the number of the internal threaded tubes (18) is the same as that of the fixing protrusions (16), and a locking bolt (17) is threadedly mounted on the internal threaded tubes (18).

3. A wireless screen transmission device according to claim 2, characterized in that: The heat dissipation assembly (3) comprises a heat sink (32) installed inside the mounting hole (15), and the bottom end of the PCB board (14) is in conflict with the top end of the heat sink (32).

4. A wireless screen transmission device according to claim 3, characterized in that: A plurality of heat dissipation bars (35) are welded at equal intervals on the bottom of the heat dissipation fin (32), and a row of heat dissipation holes (36) is provided on one side of the heat dissipation bar (35).

5. A wireless screen transmission device according to claim 4, characterized in that: A sealing ring (31) is fixed on the inner wall surface of the mounting hole (15), and a heat sink (32) is fixed in the inner hole of the sealing ring (31).

6. A wireless screen transmission device according to claim 5, characterized in that: The heat dissipation assembly (3) further comprises three arc-shaped limit blocks (34) fixed on the top of the bottom shell (1), and the three arc-shaped limit blocks (34) are installed around the mounting hole (15), a limit circular cavity is formed between the inner wall surfaces of the three arc-shaped limit blocks (34), and the heat sink (32) and the PCB board (14) are both located inside the limit circular cavity.

7. A wireless screen transmission device according to claim 6, characterized in that: The heat-conducting assembly (2) comprises a heat-conducting plate (21) mounted on the top of the inner wall of the shell cover (11); a hollow hole (23) coaxial with the control button (12) is provided on the top of the heat-conducting plate (21); a circle of heat-conducting blocks (22) surrounding the hollow hole (23) is fixed on the outward edge of the bottom of the heat-conducting plate (21); a circle of heat-dissipating blocks (33) whose number is the same as the number of heat-conducting blocks (22) is welded on the peripheral surface of the heat-dissipating fin (32); and the corresponding heat-conducting blocks (22) and heat-dissipating blocks (33) are in a state of conflict with each other.

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