CN219394827U

CN219394827U - Wireless receiver for preventing display screen backlight from leakage detection

Info

Publication number: CN219394827U
Application number: CN202223109142.0U
Authority: CN
Inventors: 梁健能
Original assignee: ENPING SANGE ELECTRONIC CO LTD
Current assignee: ENPING SANGE ELECTRONIC CO LTD
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-07-21
Anticipated expiration: 2032-11-22

Abstract

The utility model discloses a wireless receiver for preventing backlight leakage of a display screen, which comprises a wireless receiver shell, a PCB main board, a display screen PCB board, a display screen, a start button, a knob and an operation button, wherein the wireless receiver shell consists of a top shell, a bottom shell arranged at the bottom of the top shell, a front board arranged at the front ends of the top shell and the bottom shell, a back board arranged at the rear ends of the top shell and the bottom shell; the PCB main board is fixedly arranged on the bottom shell through a buckle type structure; the display screen PCB is also provided with a plastic cover which covers the side surfaces around the display screen and only exposes the front surface of the display screen. The wireless receiver is provided with the plastic cover which covers the periphery of the display screen at the periphery of the display screen, so that the leakage detection of the backlight of the display screen can be prevented.

Description

Wireless receiver for preventing display screen backlight from leakage detection

Technical Field

The utility model relates to the technical field of wireless receivers applied to the field of microphones, in particular to a wireless receiver for preventing display screen backlight from leakage detection.

Background

Currently, in wireless microphone applications, a wireless receiver is required for reception and the like; in the prior art, after receiving corresponding signals, the wireless receiver displays relevant states through a display screen, the display screen is generally arranged on the front position of a shell of the wireless receiver, basically is attached to the front of the wireless receiver in a plane or is slightly embedded and arranged, namely, the front of the display screen is in a full-visual state, and the upper, lower, left and right sides of the display screen are not shielded or covered, when the display screen performs luminous display, backlight generated in the display screen can leak from the outer side of the display screen, and the backlight light of the side exposure can be directly emitted or penetrated out of the shell of the wireless receiver due to no shielding, so that the phenomenon of light leakage of the display screen is formed, and the luminous brightness of the display screen and the visual observation definition of the whole display screen are seriously influenced; and the light rays of the backlight are more glaring light rays when being transmitted out, and discomfort is generated after the light rays are irradiated to eyes of a person. In addition, the installation of parts such as a PCB main board and the like and the shell of the traditional wireless receiver is generally in a screw installation mode, and the purpose of rapid installation cannot be achieved. Finally, keys, buttons and the like on the wireless receiver are generally installed through two buckling positions or a riveting mode of electric iron heating, and the riveting mode of electric iron heating is troublesome to install and low in speed; the installation mode of the double buckling positions can lead to the installation position deviation of the keys or the falling of the keys when the installation of any buckling position is loose or unstable, the pressing function of the keys can not be realized by protruding from the inside of the shell of the wireless receiver, no corresponding positioning and fixing structure and the like are arranged during the installation of the keys, the dislocation and the installation of the installation are complicated, and the reworking installation is needed.

Therefore, there is a need for improvements in the art of wireless receivers.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a wireless receiver for preventing the leakage of the backlight of the display screen, which adopts a shell structure of the wireless receiver composed of a top shell, a bottom shell, a front plate and a back plate which are easy to detach and mount, wherein the shell and the plates are basically and rapidly clamped and fixedly mounted through a plug board and a slot which are rapidly mounted, screw fixation is realized only between the top shell and the bottom shell through two screws, the wireless receiver is faster to mount than the traditional full screw mounting mode, the screws are small in use and penetrate through the bottom of the shell, and the structure is simpler and more attractive; in addition, the plastic cover which covers the periphery of the display screen is arranged at the periphery of the display screen of the wireless receiver, so that the situation of leakage detection caused by backlight of the display screen can be prevented; meanwhile, the PCB main board is fixedly arranged in the shell by adopting a buckle type, so that burst, damage and the like caused by excessive screwing of the PCB main board by screw installation are avoided, and a screw-free installation mode is realized; the operation keys and the like are positioned and installed on the PCB of the display screen by adopting the operation key positioning raised head column, so that the positioning installation and the accurate installation of the operation keys and the like are realized, the running position during the installation is prevented, and the trouble of the installation of the traditional electric iron heating riveting mode is avoided.

The technical scheme adopted for solving the technical problems is as follows: the wireless receiver comprises a wireless receiver shell, a PCB main board, a display screen PCB board, a display screen, a start button, a knob and an operation button, wherein the wireless receiver shell is composed of a top shell, a bottom shell arranged at the bottom of the top shell, a front plate arranged at the front ends of the top shell and the bottom shell, a back plate arranged at the rear ends of the top shell and the bottom shell; the PCB main board is fixedly arranged on the bottom shell through a buckle type structure; the display screen PCB is also provided with a plastic cover which covers the side surfaces around the display screen and only exposes the front surface of the display screen; the knob is movably arranged on the PCB board of the display screen through a buckle type structure, a starting key positioning hole is formed in the starting key in an extending mode, an operating key positioning hole is formed in the operating key in an extending mode, and a starting key positioning protruding head column and an operating key positioning protruding head column which correspondingly penetrate through the starting key positioning hole and the operating key positioning hole to form positioning installation are arranged on the PCB board of the display screen.

Further, the plastic cover front is provided with a square hollowed-out opening corresponding to the front of the display screen, and the side face of the square hollowed-out opening and the side face of the plastic cover the peripheral side faces of the display screen.

Further, the front face of the front plate is also provided with a panel for allowing the knob and the operation keys to pass through the bulge, the center of the panel is provided with an organic glass square mounting opening corresponding to the square hollowed-out opening, and a high-transparency organic glass lens corresponding to the display screen is mounted in the organic glass square mounting opening.

Further, the backboard is provided with an antenna mounting hole and a double antenna which is vertically protruded out of the wireless receiver shell; the backboard is also provided with an electronic component mounting hole, and a part of the electronic component on the PCB main board penetrates out of the electronic component mounting hole and forms fixed mounting.

Further, the front end both sides of PCB mainboard respectively be equipped with PCB mainboard bayonet socket, the drain pan top is equipped with the PCB mainboard pothook of buckling PCB mainboard bayonet socket.

Furthermore, the operation key is movably arranged on the PCB of the display screen through the operation key clamping hook.

Further, the front end of the top shell is provided with a top shell inserting strip buckle, the front plate is provided with a front plate upper inserting strip matched with the top shell inserting strip buckle, the top of the front plate is also provided with a front plate upper inserting strip, the bottom of the front plate is provided with a front plate lower inserting strip, the front end of the top shell is provided with a top shell inserting strip matched with a front plate upper plug, and the bottom of the bottom shell is provided with a bottom shell inserting strip matched with the front plate lower inserting strip; the top and the bottom of the backboard are respectively inserted into the rear end of the top shell and the rear end of the bottom shell to be movably inserted and tightly mounted; the top shell is also provided with a top shell screw hole, the bottom shell is provided with a bottom shell screw hole corresponding to the top shell screw hole, and the top shell screw hole and the bottom shell screw hole are fixedly installed through screws.

In summary, the wireless receiver for preventing the backlight leakage of the display screen disclosed by the utility model adopts the easily-detached and easily-assembled top shell, bottom shell, front plate and back plate to form the shell structure of the wireless receiver, the rapid clamping and fixed installation of the shells and the plates is basically realized through the insert plates and the insert slots which are rapidly installed, the screw fixation is realized only between the top shell and the bottom shell through two screws, the installation is faster than the traditional full screw installation mode, the screws are small in use and penetrate from the bottom of the shell, and the simplification and the attractive appearance of the structure are realized; in addition, the plastic cover which covers the periphery of the display screen is arranged at the periphery of the display screen of the wireless receiver, so that the situation of leakage detection caused by backlight of the display screen can be prevented; meanwhile, the PCB main board is fixedly arranged in the shell by adopting a buckle type, so that burst, damage and the like caused by excessive screwing of the PCB main board by screw installation are avoided, and a screw-free installation mode is realized; the operation keys and the like are positioned and installed on the PCB of the display screen by adopting the operation key positioning raised head column, so that the positioning installation and the accurate installation of the operation keys and the like are realized, the running position during the installation is prevented, and the trouble of the installation of the traditional electric iron heating riveting mode is avoided.

Drawings

FIG. 1 is an exploded view of a wireless receiver for preventing leakage of a display screen backlight according to embodiment 1 of the present utility model;

fig. 2 is a schematic structural diagram of a wireless receiver for preventing leakage detection of a display screen backlight according to embodiment 1 of the present utility model without a top case;

fig. 3 is a schematic structural diagram of a wireless receiver for preventing leakage of backlight of a display screen according to embodiment 1 of the present utility model without a top case and a front plate;

fig. 4 is a schematic front view of a wireless receiver for preventing leakage of backlight of a display screen according to embodiment 1 of the present utility model;

FIG. 5 is a schematic rear view of a wireless receiver for preventing leakage of a display screen backlight according to embodiment 1 of the present utility model;

FIG. 6 is a schematic left view of a wireless receiver for preventing leakage of backlight of a display screen according to embodiment 1 of the present utility model;

FIG. 7 is a right side view of a wireless receiver for preventing leakage of a display screen backlight according to embodiment 1 of the present utility model;

FIG. 8 is a schematic top view of a wireless receiver for preventing leakage of a display screen backlight according to embodiment 1 of the present utility model;

FIG. 9 is a schematic bottom view of a wireless receiver for preventing leakage of backlight of a display screen according to embodiment 1 of the present utility model;

fig. 10 is a schematic perspective view of a wireless receiver for preventing leakage of backlight of a display screen according to embodiment 1 of the present utility model.

Detailed Description

Example 1

The wireless receiver for preventing leakage of backlight of display screen described in this embodiment 1, as shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10, comprises a wireless receiver housing composed of a top case 1, a bottom case 2 mounted at the bottom of the top case, a front plate 3 mounted at the front ends of the top case and the bottom case, a back plate 4 mounted at the rear ends of the top case and the bottom case, a PCB main board 5 mounted in the wireless receiver housing, a display screen PCB board 6 connected with the PCB main board, and a display screen 7, a start button 8, a knob 9 and an operation button 10 mounted on the display screen PCB board; the PCB main board is fixedly arranged on the bottom shell through a buckle type structure; the display screen PCB board is also provided with a plastic cover 11 which covers the side surfaces around the display screen and only exposes the front surface of the display screen; the knob is movably arranged on the PCB board of the display screen through a buckle type structure, a starting key positioning hole 12 is formed in the starting key in an extending mode, an operating key positioning hole 13 is formed in the operating key in an extending mode, and a starting key positioning protruding column (not shown) and an operating key positioning protruding column (not shown) which correspondingly penetrate through the starting key positioning hole and the operating key positioning hole to form positioning installation are arranged on the PCB board of the display screen. The top shell, the bottom shell, the front plate and the back plate are respectively wireless receiver shells which are arranged up and down and front and back to form a square box body structure; the PCB main board is used for system control, power connection and the like of the whole wireless receiver and is a main control PCB board; the display screen PCB is used for controlling the display screen, controlling corresponding starting keys, knobs and operation keys, and the like; the PCB main board is mounted on the bottom shell by adopting a buckle, so that the mounting is convenient and flexible, and the trouble of screw mounting is eliminated; a plastic cover for covering the display screen is arranged on the PCB of the display screen, and covers the side surfaces and the edge positions around the display screen, so that the phenomenon of side light leakage during backlight of the display screen is prevented, and meanwhile, the normal light emission of the display screen is not hindered; the starting key and the operation key are installed with the corresponding positioning convex column head on the PCB board of the display screen through the corresponding positioning holes, so that the positioning limiting function is formed, the starting key and the operation are not shifted when being installed, and accurate installation is realized.

In this embodiment 1, the front surface of the plastic cover is provided with a square hollow opening 14 corresponding to the front surface of the display screen, and the side surfaces of the square hollow opening and the side surfaces of the plastic cover the peripheral side surfaces of the display screen. The size of the square hollowed-out opening is similar to that of the display screen, and the largest exposed area of the display screen can be maximally formed under the condition that the plastic cover covers the peripheral side surfaces of the display screen, so that the biggest luminous area of the display screen is not hindered from being transmitted.

In this embodiment 1, the front surface of the front plate is further provided with a panel 15 for allowing the knob and the operation keys to pass through the protrusion, the center of the panel is provided with a square organic glass mounting opening 16 corresponding to the square hollow opening, and a high-transmittance organic glass lens 17 corresponding to the display screen is mounted in the square organic glass mounting opening. The panel is square and is used for protecting and decorating a knob, an operation key and the like; the organic glass square mounting port is used for protecting the display screen from collision and the like, and meanwhile, the high-transmittance characteristic does not reduce the luminous brightness, the display resolution and the like of the display screen.

In the embodiment 1, the back plate is provided with an antenna mounting hole 18 and a double antenna 19 which is upwards and vertically protruded outside the wireless receiver shell is arranged on the antenna mounting hole; the back plate is also provided with an electronic component mounting hole 20, and a part of the electronic component 21 on the PCB main plate passes through the electronic component mounting hole and forms fixed mounting. The backplate passes through the installation of installation hole realization dual antenna under the sky, and the backplate still carries out the installation of a fulcrum to the electronic component on the PCB mainboard, can realize the rear end of PCB mainboard and install the purpose on the backplate.

In this embodiment 1, two sides of the front end of the PCB main board are respectively provided with a PCB main board bayonet 22, and the top of the bottom shell is provided with a PCB main board hook 23 for fastening the PCB main board bayonet. The installation of the PCB main board bayonet and the PCB main board clamping hook realizes the purpose of movably buckling and installing the PCB main board on the bottom shell, and simultaneously, the installation is taken as another installation fulcrum for installing the PCB main board, thereby achieving the purpose of stably installing the PCB main board, avoiding inconvenience and trouble of screw installation and the like.

In this embodiment 1, the operation key is also movably mounted on the PCB of the display screen through the operation key hook 24. After the operation keys are positioned and pre-installed through the positioning blocks and the positioning raised head columns, the operation keys are movably fastened and installed on the PCB of the display screen through operation key hooks, so that a flexible fastening installation mode of the operation keys is realized.

In this embodiment 1, the front end of the top case is provided with a top case insert buckle 25, the front plate is provided with a front plate upper slot (not shown) mounted in cooperation with the top case insert buckle, the top of the front plate is further provided with a front plate upper insert 26, the bottom of the front plate is provided with a front plate lower insert 27, the front end of the top case is provided with a top case slot (not shown) mounted in cooperation with the front plate upper plug, and the bottom of the bottom case is provided with a bottom case slot 28 mounted in cooperation with the front plate lower insert; the top and the bottom of the backboard are respectively inserted into the rear end of the top shell and the rear end of the bottom shell to be movably inserted and tightly mounted; the top shell is also provided with a top shell screw hole (not shown in the figure), the bottom shell is provided with a bottom shell screw hole 29 which is arranged corresponding to the top shell screw hole, and the top shell screw hole and the bottom shell screw hole are fixedly installed through screws. The whole wireless receiver shell basically adopts the cutting slot and the like to realize the whole rapid installation, only adopts two screws to realize fixation at the bottom, reduces the use of the screws, simplifies the installation steps and time, realizes the rapid installation, and is in the appearance of screwless installation from the appearance, thereby optimizing the aesthetic property of the whole appearance.

The wireless receiver for preventing the display screen from backlight leakage adopts a shell structure of the wireless receiver, wherein the shell structure is composed of a top shell, a bottom shell, a front plate and a back plate which are easy to detach and mount, the rapid clamping and fixed mounting is basically realized between each shell and the plate through a plug board and a slot which are rapidly mounted, the screw fixation is realized only between the top shell and the bottom shell through two screws, the installation is faster than the traditional full screw installation mode, the screws are small in use and penetrate from the bottom of the shell, and the structure is simpler and more attractive; in addition, the plastic cover which covers the periphery of the display screen is arranged at the periphery of the display screen of the wireless receiver, so that the situation of leakage detection caused by backlight of the display screen can be prevented; meanwhile, the PCB main board is fixedly arranged in the shell by adopting a buckle type, so that burst, damage and the like caused by excessive screwing of the PCB main board by screw installation are avoided, and a screw-free installation mode is realized; the operation keys and the like are positioned and installed on the PCB of the display screen by adopting the operation key positioning raised head column, so that the positioning installation and the accurate installation of the operation keys and the like are realized, the running position during the installation is prevented, and the trouble of the installation of the traditional electric iron heating riveting mode is avoided.

The above description is only of the preferred embodiment of the present utility model, and is not intended to limit the structure of the present utility model in any way. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. The wireless receiver is characterized by comprising a wireless receiver shell, a PCB main board, a display screen PCB board, a display screen, a start button, a knob and an operation button, wherein the wireless receiver shell is composed of a top shell, a bottom shell arranged at the bottom of the top shell, a front plate arranged at the front ends of the top shell and the bottom shell, a back plate arranged at the rear ends of the top shell and the bottom shell; the PCB main board is fixedly arranged on the bottom shell through a buckle type structure; the display screen PCB is also provided with a plastic cover which covers the side surfaces around the display screen and only exposes the front surface of the display screen; the knob is movably arranged on the PCB board of the display screen through a buckle type structure, a starting key positioning hole is formed in the starting key in an extending mode, an operating key positioning hole is formed in the operating key in an extending mode, and a starting key positioning protruding head column and an operating key positioning protruding head column which correspondingly penetrate through the starting key positioning hole and the operating key positioning hole to form positioning installation are arranged on the PCB board of the display screen.

2. The wireless receiver for preventing backlight leakage of a display screen according to claim 1, wherein the front surface of the plastic cover is provided with a square hollowed-out opening corresponding to the front surface of the display screen, and the side surface of the square hollowed-out opening and the side surface of the plastic cover the peripheral side surfaces of the display screen.

3. The wireless receiver for preventing backlight leakage of a display screen according to claim 2, wherein the front surface of the front plate is further provided with a panel for allowing a knob and an operation key to pass through the protrusion, the center of the panel is provided with a square organic glass mounting opening corresponding to the square hollow opening, and a high-transmittance organic glass lens corresponding to the display screen is mounted in the square organic glass mounting opening.

4. A wireless receiver for preventing backlight leakage of a display screen according to claim 3, wherein the back plate is provided with an antenna mounting hole and a double antenna which is vertically protruded out of the outer shell of the wireless receiver is arranged on the antenna mounting hole; the backboard is also provided with an electronic component mounting hole, and a part of the electronic component on the PCB main board penetrates out of the electronic component mounting hole and forms fixed mounting.

5. The wireless receiver for preventing backlight leakage of a display screen according to claim 4, wherein two sides of the front end of the PCB main board are respectively provided with a PCB main board bayonet, and the top of the bottom shell is provided with a PCB main board clamping hook for clamping the PCB main board bayonet.

6. The wireless receiver for preventing backlight leakage of a display screen according to claim 5, wherein the operation key is movably mounted on the PCB of the display screen through an operation key hook.

7. The wireless receiver for preventing leakage of backlight of display screen according to claim 6, wherein the front end of the top case is provided with a top case insert button, the front plate is provided with a front plate upper slot which is matched with the top case insert button, the top of the front plate is also provided with a front plate upper insert, the bottom of the front plate is provided with a front plate lower insert, the front end of the top case is provided with a top case slot which is matched with a front plate upper plug, and the bottom of the bottom case is provided with a bottom case slot which is matched with the front plate lower insert; the top and the bottom of the backboard are respectively inserted into the rear end of the top shell and the rear end of the bottom shell to be movably inserted and tightly mounted; the top shell is also provided with a top shell screw hole, the bottom shell is provided with a bottom shell screw hole corresponding to the top shell screw hole, and the top shell screw hole and the bottom shell screw hole are fixedly installed through screws.