4G wireless data terminal

Abstract

The utility model discloses a 4G wireless data terminal in the technical field of data terminals, which comprises a shell, a data line and a PCB (printed circuit board), the PCB is assembled inside the shell, the data line is electrically connected with the PCB, the shell comprises an upper shell and a lower shell, the lower shell is provided with a plurality of supporting blocks, the PCB is placed on the supporting blocks, and the supporting blocks are arranged on the upper shell and the lower shell. The PCB is arranged in the lower shell, so that a height interval is formed between the PCB and the lower shell, a plurality of empty holes are formed in the upper shell, the supporting blocks are arranged in the lower shell, so that the height interval is formed between the PCB and the lower shell, meanwhile, the empty holes are formed in the upper shell to promote air circulation, heat can be more effectively dissipated through air convection, and therefore the heat dissipation efficiency of internal components is effectively improved; in addition, direct contact between the PCB and the shell is reduced through the PCB installed in a suspended mode, interference on wireless signal transmission is reduced, and therefore the quality and stability of signal transmission are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to data terminal technical field, concretely is 4G wireless data terminal. BACKGROUND

[0002] The wireless data terminal of 4G wireless data terminal based on 4G technology, wireless data transmission terminal is the terminal module used for realizing wireless data transmission, is usually connected with the lower computer, realizes the purpose of wireless data transmission, 4G is the fourth generation mobile phone action communication standard, refers to the fourth generation mobile communication technology, data terminal refers to the sending and receiving device of data information set in the source point and terminal point of data communication system;

[0003] The heat dissipation performance of the common 4G wireless data terminal in the market is poor, the internal components of the traditional 4G wireless data terminal are closely attached to the shell, so that heat is difficult to effectively dissipate, the heat generated in the process of use cannot be quickly dissipated from the equipment, which leads to the continuous temperature rise in the 4G wireless data terminal, easily causes the problem of 4G wireless data terminal downtime, and the use effect is poor, and the close installation environment will hinder the transmission of wireless signal, thereby affecting the communication performance of the equipment. UTILITY MODEL CONTENT

[0004] In order to overcome the deficiencies of the prior art, the utility model provides 4G wireless data terminal, can effectively solve the internal components of traditional 4G wireless data terminal closely attached to the shell, lead to heat difficult to effectively dissipate, the heat generated in the process of use cannot be quickly dissipated from the equipment, which leads to the continuous temperature rise in the 4G wireless data terminal, easily causes the problem of 4G wireless data terminal downtime, and the use effect is poor, and the close installation environment will hinder the transmission of wireless signal, thereby affecting the communication performance of the equipment.

[0005] The utility model solves the technical scheme that it adopts technical scheme is as follows: 4G wireless data terminal, including shell, data line and PCB board, the PCB board is equipped in the inside of shell, data line is connected with PCB board electrically, the shell includes upper shell and lower shell, the lower shell is provided with a plurality of support blocks, the PCB board is placed on the support block, so that the height interval between PCB board and lower shell, the upper shell is equipped with a plurality of air holes.

[0006] Further, the outer edge of the top end of the lower shell is provided with a protrusion corresponding to the contour shape thereof, the outer edge of the inner end of the upper shell is provided with a limiting protrusion corresponding to the contour shape thereof, the upper shell and the lower shell are connected by clamping and form a cavity, the outer wall of the protrusion is in contact with the inner wall of the upper shell, and the top end surface of the protrusion is in contact with the top end surface of the limiting protrusion.

[0007] Further, the lower shell is provided with a positioning slot, and the upper shell is provided with a positioning plug matched with the shape of the positioning slot, the positioning plug is inserted into the positioning slot, so that the upper shell is connected with the lower shell.

[0008] Further, the upper shell is provided with a plurality of positioning blocks, each of which is provided with a connecting slot, and the lower shell is provided with a plurality of positioning columns, the positioning columns are inserted into the connecting slots of the positioning blocks, so that the upper shell is stably connected with the lower shell.

[0009] Further, a plurality of supporting blocks are arranged at the corners of the lower shell, the supporting blocks are provided with positioning protrusions, the PCB is provided with positioning holes matched with the positioning protrusions, the PCB is provided with limiting columns, and the limiting columns are in contact with the inner wall of the upper shell, so that the PCB is fixed in the shell.

[0010] Further, a light-emitting unit is arranged at the middle part of the upper shell, and the light-emitting unit is electrically connected with the PCB.

[0011] Further, the data line is provided with a protective sleeve, the upper shell and the lower shell are provided with wire clamping grooves for limiting the longitudinal displacement of the data line, the wire clamping grooves are semicircular, and the upper shell is connected with the lower shell, so that the groove wall of the wire clamping groove is in contact with the outer wall of the protective sleeve.

[0012] Further, the lower shell is provided with two spaced-apart guide blocks, and the data line is provided with a clamping block arranged between the two adjacent guide blocks, so that the data line is fixed in the shell.

[0013] Compared with the prior art, the 4G wireless data terminal has the advantages that:

[0014] By arranging the supporting blocks on the lower shell, a height interval is formed between the PCB and the lower shell, and the upper shell is provided with a hole to promote air circulation, so that the heat can be effectively dissipated through air convection, thereby effectively improving the heat dissipation efficiency of the internal components, and the suspended PCB reduces the direct contact with the shell, reduces the interference with the wireless signal transmission, and improves the quality and stability of the signal transmission. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective view of the 4G wireless data terminal of the utility model;

[0016] Figure 2 It is an exploded view of the front view angle structure of the 4G wireless data terminal of the utility model;

[0017] Figure 3 It is an assembly drawing of the PCB and the lower shell of the 4G wireless data terminal of the utility model;

[0018] Figure 4 This is a perspective view of the 4G wireless data terminal of this utility model from an axonometric angle.

[0019] Figure 5 This is a three-dimensional view of the isometric angle of the 4G wireless data terminal of this utility model.

[0020] Numbering on the map:

[0021] 1. Data cable; 2. Light-emitting unit; 3. Hole; 4. Upper shell; 5. Lower shell; 6. Cable slot; 7. Guide block; 8. Positioning post; 9. Slot; 10. Locking block; 12. PCB board; 13. Positioning hole; 14. Support block; 15. Positioning protrusion; 16. Limiting post; 17. Insert block; 18. Protective sleeve; 19. Positioning block; 20. Limiting protrusion; 21. Connecting groove. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] like Figures 1-5 As shown, this utility model provides a 4G wireless data terminal, including a shell, a data cable 1, and a PCB board 12. The PCB board 12 is mounted inside the shell, and the data cable 1 is electrically connected to the PCB board 12. The shell includes an upper shell 4 and a lower shell 5. The lower shell 5 is provided with multiple support blocks 14, and the PCB board 12 is placed on the support blocks 14, so that there is a height gap between the PCB board 12 and the lower shell 5. The upper shell 4 has multiple holes 3 for air circulation. The holes 3 serve as air circulation channels, effectively improving the heat dissipation efficiency of the internal components. The support blocks 14 support the PCB board 12 and make the PCB board 12 float inside the shell, which is beneficial for heat dissipation and signal transmission.

[0024] The upper shell 4 is equipped with a light-emitting unit 2 in the middle, which is electrically connected to the PCB board 12 to provide users with intuitive status indication.

[0025] The outer edge of the top of the lower shell 5 is provided with a protrusion corresponding to its outline shape, and the outer edge of the inner end of the upper shell 4 is provided with a limiting protrusion 20 corresponding to its outline shape. The upper shell 4 and the lower shell 5 are fastened together to form a cavity. When the upper shell 4 and the lower shell 5 are fastened together, the outer wall of the protrusion contacts the inner wall of the upper shell 4 and interlocks with each other, and the top surface of the protrusion contacts the top surface of the limiting protrusion 20, which improves the connection stability between the upper shell 4 and the lower shell 5.

[0026] The lower shell 5 is provided with a positioning slot 9, and the upper shell 4 is provided with a positioning plug 17 matched with the shape of the positioning slot 9, the positioning plug 17 is inserted into the inside of the positioning slot 9, so that the upper shell 4 and the lower shell 5 are positioned and connected, because the design direction of the positioning slot 9 and the positioning plug 17 is only one side, if the installation is attempted in the opposite direction, the positioning slot 9 and the positioning plug 17 will not be aligned, and the positioning plug 17 cannot be smoothly inserted into the positioning slot 9, therefore the design of the positioning plug 17 and the positioning slot 9 can effectively avoid the opposite installation direction of the upper shell 4 and the lower shell 5.

[0027] The upper shell 4 is provided with a plurality of positioning blocks 19, each of which is provided with a connecting slot 21, and the lower shell 5 is provided with a plurality of positioning columns 8, the positioning columns 8 are inserted into the connecting slots 21 of the positioning blocks 19, so that the upper shell 4 and the lower shell 5 are stably connected, a plurality of support blocks 14 are respectively arranged at the corners of the lower shell 5, the support blocks 14 are provided with positioning protrusions 15, and the PCB board 12 is provided with positioning holes 13 matched with the positioning protrusions 15, the PCB board 12 is provided with limiting columns 16 in contact with the inner wall of the upper shell 4, so that the PCB board 12 is fixed in the inside of the shell, the design of the positioning holes 13 and the positioning protrusions 15 can effectively limit the axial displacement of the PCB board 12, and the design of the limiting columns 16 can effectively limit the longitudinal displacement of the PCB board 12, even if the external environment changes or the equipment is vibrated, the PCB board 12 can remain stable, thereby ensuring the normal operation of the equipment and the stability of data transmission.

[0028] The data line 1 is provided with a protective sleeve 18 to enhance the durability and safety of the data line 1, the upper shell 4 and the lower shell 5 are both provided with a wire clamping groove 6 for limiting the longitudinal displacement of the data line 1, the wire clamping groove 6 is semicircular, the upper shell 4 and the lower shell 5 are connected, so that the groove wall of the wire clamping groove 6 is in contact with the outer wall of the protective sleeve 18, the lower shell 5 is provided with two spaced apart guide blocks 7, and the data line 1 is provided with a clamping block 10 arranged between the two adjacent guide blocks 7, so that the data line 1 is fixed in the inside of the shell.

[0029] Compared with the traditional technology: by arranging the support block 14 on the lower shell 5, a height interval is formed between the PCB board 12 and the lower shell 5, and the upper shell 4 is provided with a hole 3 to facilitate air circulation, so that heat can be more effectively dissipated through air convection, thereby effectively improving the heat dissipation efficiency of the internal components, and the suspended installation of the PCB board 12 reduces the direct contact with the shell, reduces the interference with the wireless signal transmission, thereby improving the quality and stability of the signal transmission.

[0030] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A 4G wireless data terminal, comprising a shell, a data line and a PCB board, the PCB board is installed in the interior of the shell, the data line is electrically connected with the PCB board, characterized in that, The shell comprises an upper shell and a lower shell, the lower shell is provided with a plurality of supporting blocks, the PCB board is placed on the supporting blocks, so that the PCB board has a height interval with the lower shell, and the upper shell is provided with a plurality of holes.

2. The 4G wireless data terminal of claim 1, wherein, The outer edge of the top end of the lower shell is provided with a protrusion corresponding to the contour shape, the outer edge of the inner end of the upper shell is provided with a limiting protrusion corresponding to the contour shape, the upper shell and the lower shell are connected in a clamping manner to form a cavity, the outer wall of the protrusion is in contact with the inner wall of the upper shell, and the top end surface of the protrusion is in contact with the top end surface of the limiting protrusion.

3. The 4G wireless data terminal of claim 2 wherein, The lower shell is provided with a positioning slot, the upper shell is provided with a positioning plug matching the shape of the positioning slot, the positioning plug is inserted into the inside of the positioning slot, so that the upper shell and the lower shell are connected in a positioning manner.

4. The 4G wireless data terminal of claim 3 wherein, The upper shell is provided with a plurality of positioning blocks, each positioning block is provided with a connecting groove, the lower shell is provided with a plurality of positioning columns, the positioning columns are inserted into the connecting grooves of the positioning blocks, so that the upper shell and the lower shell are connected in a stable manner.

5. The 4G wireless data terminal of claim 4 wherein, A plurality of supporting blocks are arranged at the corners of the lower shell, the supporting blocks are provided with positioning protrusions, the PCB board is provided with positioning holes matched with the positioning protrusions, the PCB board is provided with limiting columns, the limiting columns are in contact with the inner wall of the upper shell, so that the PCB board is fixed in the shell.

6. The 4G wireless data terminal of claim 1, wherein, The middle part of the upper shell is provided with a light emitting unit, the light emitting unit is electrically connected with the PCB board.

7. The 4G wireless data terminal of claim 1, wherein, The data line is provided with a protective sleeve, the upper shell and the lower shell are provided with clamping grooves for limiting the longitudinal displacement of the data line, the clamping grooves are semicircular, and the upper shell and the lower shell are connected, so that the groove wall of the clamping groove is in contact with the outer wall of the protective sleeve.

8. The 4G wireless data terminal of claim 7 wherein, The lower shell is provided with two spaced guiding blocks, the data line is provided with a clamping block, the clamping block is arranged between the two adjacent guiding blocks, so that the data line is fixed in the shell.

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