CN-224234057-U - Time keeping terminal device

CN224234057UCN 224234057 UCN224234057 UCN 224234057UCN-224234057-U

Abstract

The utility model provides a time keeping terminal device which comprises a shell component, a comprehensive board component, a battery component, a processing module and an aviation plug component, wherein the shell component comprises an installation cavity, the comprehensive board component, the battery component and the processing module are arranged in the installation cavity, the aviation plug component is arranged on one side of the shell component and penetrates through the shell component to be connected with the comprehensive board component, the aviation plug component comprises a shielding type connector, the shell component comprises an upper cover shell and a lower cover shell, shielding glass is arranged in a window area of the upper cover shell, the shielding glass is connected to the upper cover shell through conductive adhesive so that the shielding glass is electrically continuous with the upper cover shell, a silica gel key is arranged in a key area of the upper cover shell, a key pressing plate is arranged below the silica gel key, a shielding metal wire mesh is arranged between the silica gel key and the key pressing plate, the processing module comprises a shell and a processing board arranged in the shell, the processing board is provided with a time keeping functional core crystal oscillator circuit, aerogel insulation cotton is filled in the shell, and the processing board is wrapped by the aerogel insulation cotton.

Inventors

HU SONGZHAO
WU JIDONG
XU JIAN
LI GUOPING
ZHA SHOUXIAN
Xu Fanzhong
FAN WEI
WANG QIAO

Assignees

厦门九华通信设备厂
中国人民解放军31608部队

Dates

Publication Date: 20260512
Application Date: 20250514

Claims (10)

1. The time keeping terminal device is characterized by comprising a shell component, a comprehensive board component, a battery component, a processing module and an aviation plug component, wherein the shell component comprises an installation cavity, and the comprehensive board component, the battery component and the processing module are arranged in the installation cavity; The aviation plug assembly is arranged on one side of the shell assembly, penetrates through the shell assembly and is connected with the comprehensive board assembly, and comprises a shielding type connector; the shell component comprises an upper cover shell and a lower cover shell, wherein shielding glass is arranged in a window area of the upper cover shell, and is connected to the upper cover shell through conductive adhesive so as to enable the shielding glass to be electrically continuous with the upper cover shell; a silica gel button is arranged in a button area of the upper cover shell, and a button pressing plate is arranged below the silica gel button; The processing module comprises a shell and a processing board arranged in the shell, wherein a time keeping function core crystal oscillator circuit is arranged on the processing board, aerogel heat preservation cotton is filled in the shell, and the processing board is wrapped by the aerogel heat preservation cotton.
2. The time keeping terminal device of claim 1, wherein the upper cover shell and the lower cover shell are formed by milling magnesium alloy, and the surfaces of the upper cover shell and the lower cover shell are both processed by nickel plating.
3. The time keeping terminal device according to claim 1, wherein the shielding wire mesh is pressed on the inner wall of the upper cover shell through the key pressing plate, so that the shielding wire mesh is electrically continuous with the upper cover shell.
4. The time keeping terminal device according to claim 1, wherein a shielding rubber strip is arranged on the joint surface of the upper cover shell and the lower cover shell.
5. The time keeping terminal device according to claim 4, wherein the joint surface of the upper cover shell is provided with a placing groove, and the shielding rubber strip is arranged in the placing groove; When the upper cover shell and the lower cover shell are pressed, the shielding rubber strip is fixed in the placing groove under the pressing of the upper cover shell.
6. The time keeping terminal device according to claim 5, wherein the upper cover shell and the lower cover shell are fixedly connected through a plurality of mounting screws, and the mounting distance between the mounting screws is less than or equal to 40mm.
7. The time keeping terminal device according to claim 1, wherein the integrated board assembly comprises an integrated board and a display screen, the display screen is arranged below a window area of the upper cover shell and is connected with the integrated board through a pin, and the processing board is connected with the integrated board through an FPC.
8. The time keeping terminal device of claim 7, wherein the aerial plug assembly further comprises a printed board, wherein the three shielded connectors are soldered to the printed board, and wherein the printed board is connected to the integrated board.
9. The time keeping terminal device of claim 7, wherein the housing comprises a cavity and a cavity cover, wherein the cavity and the cavity cover are made of nickel alloy materials, and a wiring channel is arranged on the cavity cover and used for processing FPC wiring of the board.
10. The device of claim 1, wherein the battery pack comprises a battery and a battery frame for mounting the battery.

Description

Time keeping terminal device Technical Field The present utility model relates to electronic devices, and more particularly, to a time keeping terminal device. Background In precision electronic equipment such as a communication base station, a navigation system and the like, a crystal oscillator circuit is used as a core clock source, and the frequency stability of the crystal oscillator circuit directly determines the system performance. However, conventional crystal oscillator circuits are susceptible to environmental temperature fluctuations, external magnetic field disturbances, and mechanical stress, resulting in frequency drift, increased phase noise, and reduced long-term reliability. The existing time keeping terminal device adopts a conventional design and process, the terminal shell adopts an aluminum alloy material, the surface is subjected to conductive oxidation treatment, and the shell does not adopt special magnetic shielding measures in places with larger openings such as a display screen, a silica gel key, a connector and the like. The cavity of the processing module where the terminal internal time keeping function core crystal oscillator circuit is located adopts aluminum alloy material, the surface is subjected to conductive oxidation treatment, and the processing module has no special protective measures in the aspect of temperature protection. The conventional design is adopted in the aspects of magnetic shielding and temperature protection of the traditional timekeeping terminal device, and no special temperature protection measures are adopted, so that a crystal oscillator circuit in the terminal is easily interfered by an external magnetic field and environmental temperature fluctuation, and the timekeeping precision of the terminal is affected. Disclosure of utility model The utility model aims at solving the problem that the traditional time keeping terminal device is insufficient in magnetic shielding and temperature protection, and provides the time keeping terminal device, so that a crystal oscillator circuit in the terminal is not interfered by an external magnetic field and environmental temperature fluctuation, the frequency stability and reliability of the crystal oscillator circuit in a complex environment are obviously improved, and the purpose of high-precision time keeping is achieved. In order to solve the technical problems, the utility model provides a time keeping terminal device which comprises a shell component, a comprehensive board component, a battery component, a processing module and an aviation plug component, wherein the shell component comprises an installation cavity, and the comprehensive board component, the battery component and the processing module are arranged in the installation cavity; The aviation plug assembly is arranged on one side of the shell assembly, penetrates through the shell assembly and is connected with the comprehensive board assembly, and comprises a shielding type connector; the shell component comprises an upper cover shell and a lower cover shell, wherein shielding glass is arranged in a window area of the upper cover shell, and is connected to the upper cover shell through conductive adhesive so as to enable the shielding glass to be electrically continuous with the upper cover shell; a silica gel button is arranged in a button area of the upper cover shell, and a button pressing plate is arranged below the silica gel button; The processing module comprises a shell and a processing board arranged in the shell, wherein a time keeping function core crystal oscillator circuit is arranged on the processing board, aerogel heat preservation cotton is filled in the shell, and the processing board is wrapped by the aerogel heat preservation cotton. In a preferred embodiment, the upper cover shell and the lower cover shell are formed by milling magnesium alloy, and the surfaces of the upper cover shell and the lower cover shell are both processed by adopting a nickel plating process. In a preferred embodiment, the shielding wire mesh is pressed on the inner wall of the upper cover shell through the key pressing plate, so that the shielding wire mesh is electrically continuous with the upper cover shell. In a preferred embodiment, the combination surface of the upper cover shell and the lower cover shell is provided with a shielding rubber strip. In a preferred embodiment, the combination surface of the upper cover shell is provided with a placing groove, and the shielding rubber strip is arranged in the placing groove; When the upper cover shell and the lower cover shell are pressed, the shielding rubber strip is fixed in the placing groove under the pressing of the upper cover shell. In a preferred embodiment, the upper cover shell is fixedly connected with the lower cover shell through a plurality of mounting screws, and the mounting intervals of the mounting screws are less than or equal to 40mm. In a preferred embodiment, the integ