CN210444286U

CN210444286U - Multi-angle recording shielding device

Info

Publication number: CN210444286U
Application number: CN201922122789.9U
Authority: CN
Inventors: 杨双生
Original assignee: Tianjin Herolay Technology Co ltd
Current assignee: Tianjin Herolay Technology Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-05-01
Anticipated expiration: 2029-12-02

Abstract

The utility model relates to a multi-angle recording shielding ware, including circular host computer shell, the inside three mainboard that is equipped with of circular host computer shell, the edge face of circular host computer shell is equipped with the three power knob of being connected with the mainboard electricity, the edge face of circular host computer shell evenly is equipped with a plurality of transmitting terminal of being connected with the mainboard electricity, and the angle that is located between the transmitting terminal center at two edges and the center line of circular host computer shell is 240 degrees, and every transmitting terminal of power knob control 80 degrees within ranges, power socket has been seted up to the edge face of circular host computer shell.

Description

Multi-angle recording shielding device

Technical Field

The utility model relates to a shield technical field especially relates to a multi-angle recording shield.

Background

With the rapid development of science and technology, the popularization of electronic products, the miniaturization of electronic products, and the threat of personal and public information security are increasing. Some lawbreakers illegally steal personal privacy, business secrets and even national secrets through mobile phones, recording pens or other micro eavesdropping devices with stronger specialties, so that individuals and enterprises suffer economic losses, and even the national security is threatened.

The existing recording shielding device has the defects of single shielding range, 90-120 degrees of shielding angle and incapability of realizing large-angle coverage because most devices transmit shielding signals to one direction, so that a plurality of hosts are required to be arranged in a multi-angle mode, the size is large, the use is inconvenient, more money and energy are spent, the cost is high, and the structure is complex.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide a multi-angle recording shielding ware.

The utility model discloses a realize through following technical scheme: the utility model provides a multi-angle recording shielding ware, includes circular mainframe shell, the inside three mainboard that is equipped with of circular mainframe shell, the edge face of circular mainframe shell is equipped with the three power knob of being connected with the mainboard electricity, the edge face of circular mainframe shell evenly is equipped with a plurality of transmitting terminal of being connected with the mainboard electricity, and the angle that is located between the transmitting terminal center at two edges and the center line of circular mainframe shell is 240 degrees, and every transmitting terminal of power knob control 80 degrees within ranges, power socket has been seted up to the edge face of circular mainframe shell.

Further, the mainboard includes remote control module, power module, host system, signal output module, power module is connected with host system and signal output module electricity respectively and is supplied with the power, remote control module and host system electricity are connected and are controlled host system, host system and signal output module electricity are connected and are controlled signal output module, signal output module is connected with the transmitting terminal electricity.

Further, the power module adopts an LM2576 boost chip.

Further, the master control module adopts an msp430f247 chip.

The utility model has the advantages that: convert external power supply into suitable voltage through power adapter and give the electric quantity, can rotate three power knob this moment and control the transmitting terminal of the 80 degrees within ranges that every power knob controlled, a plurality of transmitting terminals through the multi-angle can enlarge the shielding scope like this, have fine shielding effect.

Drawings

Fig. 1 is a rear view structure diagram of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the working flow of the present invention;

FIG. 4 is a schematic workflow diagram of an internal module;

FIG. 5 is a circuit diagram of a remote control module;

FIG. 6 is a circuit diagram of a power supply module;

FIG. 7 is a circuit diagram of a master control module;

FIG. 8 is a circuit diagram of a NOT gate;

fig. 9 is a circuit diagram of a signal output module;

in the figure: 1. a circular main chassis; 2. a power knob; 3. a transmitting terminal; 4. a power outlet; 5. a main board; 6. a remote control module; 7. a power supply module; 8. a main control module; 9. and a signal output module.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

As shown in the figure, the utility model discloses a circular host computer shell 1, the inside three mainboard 5 that is equipped with of circular host computer shell 1, the edge face of circular host computer shell 1 is equipped with three power knob 2 of being connected with 5 electricity of mainboard, the edge face of circular host computer shell 1 evenly is equipped with a plurality of transmitting terminal 3 of being connected with 5 electricity of mainboard, and the angle that is located between the central line of transmitting terminal 3 center and circular host computer shell 1 at two edges is 240 degrees, and every transmitting terminal 3 of power knob 2 control 80 degrees within ranges, power socket 4 has been seted up to the edge face of circular host computer shell 1, and power socket 4 interpolation has the power adapter.

Further, the mainboard 5 includes a remote control module 6, a power module 7, a main control module 8, a signal output module 9, the power module 7 is respectively connected with the main control module 8 and the signal output module 9 electricity to supply power, the remote control module 6 is connected with the main control module 8 electricity to control the main control module 8, the main control module 8 is connected with the signal output module 9 electricity to control the signal output module 9, the signal output module 9 is electrically connected with the transmitting terminal 3. The power module 7 adopts an LM2576 boosting chip. The master control module 8 adopts an msp430f247 chip. The specific working process is as follows: firstly, an external power supply is converted into proper voltage through an external power adapter to supply electric quantity, a signal is output to the transmitting terminal 3 through the signal output module 9 at the control signal output module 9 through the main control module 8, the power can be adjusted by rotating the power knob 2, and the remote controller module can receive signals of a remote controller to carry out remote control.

The circuit of the remote control module 66 is shown in fig. 5, and the specific connection mode is as follows: the 1-pin level of the J3 is determined by the 2-pin level of the J3, the 1 pin is a high level at ordinary times, the single chip microcomputer does not work, when the remote controller controls the single chip microcomputer to work, the 1 pin and the 4 pin are in short circuit, the single chip microcomputer reads low level, and the single chip microcomputer starts to work.

As shown in fig. 6, the power module 7 has a circuit with a specific connection mode: the 1 pin of the LM2576 chip is connected with a 12v power supply in series, a C3 and C4 grounding capacitor are connected in parallel, a 4-pin feedback end is connected with C1 and C6 in parallel, a 2-pin output end is connected with the reverse end of a D1 grounding diode in parallel, an L1 inductor is connected in series to output a 3.3v power supply, C6, C1 and C5 grounding capacitors are connected in parallel, and R2 and D2 capacitors are connected in parallel and grounded in series.

As shown in fig. 7, the circuit of the main control module 88 is specifically connected as follows: the power supply end of the main control chip U3 is connected with 3.3V voltage and is connected with 3 grounding capacitors (C9-C11) in parallel, the signal input end of the main control chip U3 is connected with a resistor R5 in series, a grounding resistor R6 and another grounding capacitor C17 in parallel, the main control chip U3 is connected with a clock module, a crystal oscillator OSC1 is arranged in the clock module, and two ends of the crystal oscillator OSC1 are respectively connected with one grounding capacitor (C7 and C8).

The circuit diagram of the signal output module 9 is shown in fig. 9, the circuit adopts a not gate circuit to control the mos tube switch, wherein the not gate adopts a 74hc04 chip to convert the level of the single chip microcomputer (as shown in fig. 8), and the specific connection mode is as follows: fig. 7 is provided with a plurality of inductance ultrasonic sensors inside, and the other end of each inductance is connected to the D pole in the N-MOS, wherein the end connected to the resistance is connected to the positive pole of the signal transmitting terminal 34, and the end connected to the MOS transistor is connected to the negative pole of the signal transmitting terminal 34.

Fig. 8 is composed of a plurality of N-MOS and driver chips, the G pole of each N-MOS is connected to the output terminal of the driver chip, and the input terminal of the driver chip is connected to the output terminal of the main control chip in the main control module 88.

The utility model has the advantages that: convert external power supply into suitable voltage through power adapter and give the electric quantity, can rotate three power knob 2 this moment and control the emission terminal 3 of the 80 degrees within ranges that every power knob 2 controlled, a plurality of emission terminals 3 through the multi-angle can enlarge the shielding scope like this, have fine shielding effect.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A multi-angle recording shielding device is characterized in that: including circular mainframe shell, the inside three mainboard that is equipped with of circular mainframe shell, the edge face of circular mainframe shell is equipped with the three power knob of being connected with the mainboard electricity, the edge face of circular mainframe shell evenly is equipped with a plurality of transmitting terminal of being connected with the mainboard electricity, and the angle that is located between the transmitting terminal center at two edges and the center line of circular mainframe shell is 240 degrees, and every transmitting terminal of power knob control 80 degrees within ranges, power socket has been seted up to the edge face of circular mainframe shell.

2. The multi-angle sound recording shield as recited in claim 1, wherein: the mainboard includes remote control module, power module, host system, signal output module, power module supplies with the power with host system and signal output module electricity respectively, remote control module and host system electricity are connected and are controlled host system, host system and signal output module electricity are connected and are controlled signal output module, signal output module is connected with the transmitting terminal electricity.

3. The multi-angle sound recording shield as recited in claim 2, wherein: the power module adopts an LM2576 boosting chip.

4. The multi-angle sound recording shield as recited in claim 3, wherein: the master control module adopts an msp430f247 chip.