CN218976820U

CN218976820U - Pilot helmet conversation function detection device convenient to carry

Info

Publication number: CN218976820U
Application number: CN202223121222.8U
Authority: CN
Inventors: 李云杰; 刘华勋; 顾玉明; 刘俊杰; 张笑楠; 刘红卫; 江勇; 岳崇旺; 陈子东; 张锐; 韩新成; 郑亚茹
Original assignee: Shandong Zhongcarbon Industry Development Co ltd
Current assignee: Shandong Zhongcarbon Industry Development Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-05-05
Anticipated expiration: 2032-11-23

Abstract

The utility model provides a portable pilot helmet call function detection device, which comprises: the portable shell and the PCB arranged in the shell; the shell comprises a front shell and a rear shell; the front surface of the front shell is provided with a loudspeaker hole, a socket hole, a liquid crystal display screen and an electric quantity indicator lamp; the speaker hole and the socket hole are respectively provided with a speaker and a socket for connecting with a pilot helmet; the PCB is provided with a function switching module, a resistance detection module, an audio amplification module and a power supply module; the function switching module is respectively connected with the resistance detection module, the audio amplification module and the power supply module. The utility model solves the problems of inconvenient carrying and single detection of the original detection device. The cable is inserted into the instrument interface, so that the resistance values of the earphone and the microphone can be measured simultaneously.

Description

Pilot helmet conversation function detection device convenient to carry

Technical Field

The utility model belongs to the technical field of detection equipment, and particularly relates to a portable pilot helmet conversation function detection device.

Background

The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.

The traditional pilot helmet call component is detected by connecting an aviation plug with a universal meter pen, sequentially measuring the resistances of the earphone and the microphone, judging whether the earphone and the microphone meet the regulations, for example, moving a cable back and forth by hands, and judging whether the resistances of the earphone and the microphone are stable; loud speaking into the assembly, determining pointer swing, etc. However, the traditional detection mode is single, and the functional detection of the pilot helmet cannot be performed; moreover, the traditional detection device has low integration level and large volume, and is not easy to carry and inconvenient to use.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a portable pilot helmet conversation function detection device.

To achieve the above object, one or more embodiments of the present utility model provide the following technical solutions:

the first aspect of the present utility model provides a portable pilot helmet call function detection device, comprising: the portable shell and the PCB arranged in the portable shell;

the detection device shell comprises a front shell and a rear shell; the front surface of the front shell is provided with a loudspeaker hole, a socket hole, a liquid crystal display screen and an electric quantity indicator lamp; the speaker hole and the socket hole are respectively provided with a speaker and a socket for connecting with a pilot helmet;

the PCB is provided with a function switching module, a resistance detection module, an audio amplification module and a power supply module; the function switching module is respectively connected with the resistance detection module, the audio amplification module and the power supply module; the power module is connected with the liquid crystal display, the electric quantity indicator lamp, the resistance detection module and the audio amplification module.

Further, the power supply module comprises a rechargeable battery, a battery charge-discharge protection unit and a voltage modulation unit; the rechargeable battery is respectively connected with the charging interface and the voltage modulation unit through the battery charging and discharging protection unit, and the voltage modulation unit is used for providing different circuit power supply voltages.

Further, a side of the rear shell is provided with a function change-over switch, a volume adjusting knob, an earphone switch, a power switch and a charging port from top to bottom in sequence.

Further, the audio amplifying module comprises a pre-amplifying unit and a post-amplifying unit; the input end of the pre-amplifying unit is connected with the microphone, the output end of the pre-amplifying unit is connected with the input end of the post-amplifying unit, and the output end of the post-amplifying unit is connected with the loudspeaker.

Further, the resistance detection module comprises a micro single chip microcomputer and an analog-to-digital converter, the function switching module is connected with the micro single chip microcomputer through the analog-to-digital converter, and the micro single chip microcomputer is connected with a liquid crystal display.

Further, the function switching module is a multi-section switch.

Furthermore, a music chip for generating audio signals to test the earphone function is also arranged on the PCB.

Further, a waterproof sealing rubber ring is arranged at the joint of the front shell and the rear shell.

Further, the four corners of the PCB are fixed on the rear shell through fixing bolts, a spring gasket is arranged between the fixing bolts and the PCB, and two ends of the spring gasket are respectively abutted against the PCB and the tail ends of the fixing bolts.

Further, the socket is an aviation socket.

The one or more of the above technical solutions have the following beneficial effects:

(1) The utility model solves the problems of inconvenient carrying and single detection of the original detection device. The cable is inserted into the instrument interface, the resistance values of the earphone and the microphone can be measured simultaneously, two data are measured at one time, and the traditional measurement mode needs to use the universal meter to obtain two data through two measurements.

(2) The utility model also realizes the functional test of the earphone and the microphone, and the traditional test mode is inconvenient to realize. This design improves traditional universal meter's detection mode, concentrates a circuit board with multiple detection function on, conveniently carries more, and the outfield of being convenient for uses, and the aluminium system shell of design can be applicable to adverse circumstances moreover.

Additional aspects of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

Fig. 1 is a structural diagram of a portable pilot helmet conversation function detection device of embodiment 1.

Fig. 2 is a schematic diagram of a portable pilot helmet conversation function detection device of embodiment 1.

Fig. 3 is a schematic diagram of a multi-stage switch according to embodiment 1.

Fig. 4 is a schematic diagram of a resistance detection module according to embodiment 1.

Fig. 5 is a schematic diagram of an audio amplifying module of embodiment 1.

Fig. 6 is a schematic diagram of the power module of embodiment 1.

In the figure, the rear shell, the front shell, the liquid crystal screen, the electric quantity display screen, the loudspeaker, the function change-over switch, the volume adjusting knob, the earphone switch, the power switch, the charging port and the aviation socket are all arranged in sequence, wherein the rear shell, the front shell, the liquid crystal screen, the electric quantity display screen, the loudspeaker, the function change-over switch, the volume adjusting knob, the earphone switch, the power switch, the charging port and the aviation socket are all arranged in sequence, and the aviation socket is arranged in sequence.

Detailed Description

The disclosure is further described below with reference to the drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

Example 1

As shown in fig. 1 to 3, the present utility model provides a portable pilot helmet communication function detection device, which includes: a portable housing and a PCB disposed within the portable housing;

the portable shell is made of aluminum, is designed in a die opening mode, has the thickness of more than 4mm, and is subjected to corrosion-resistant treatment on the appearance. The shell is divided into a front shell and a rear shell, and a waterproof sealing rubber ring is arranged at the joint of the front shell and the rear shell, so that the problem that outdoor dust and water vapor enter the device to corrode a circuit is solved.

The front surface of the front shell is provided with a liquid crystal screen, an electric quantity indicator lamp, a loudspeaker opening and an aviation socket opening; four corners of the loudspeaker are fixed in the loudspeaker opening through bolts, and aviation sockets for connecting the flying helmet are arranged in the aviation socket opening; the back shell is internally provided with a cavity for accommodating the PCB, and the side surface of the back shell is provided with a volume adjusting knob, an earphone switch, a power switch and a charging port. The functional switch of the device is provided with a side surface so as to facilitate the operation of the machine by a user with one hand.

Four corners of the PCB are fixed on the rear shell through fixing bolts, spring gaskets are arranged between the fixing bolts and the PCB, two ends of each spring gasket are respectively abutted against the PCB and the tail ends of the fixing bolts, the spring gaskets form buffering between the PCB and the shell, potential energy generated by shaking of the shell is absorbed, and the possibility of faults caused by collision of the PCB and the inner wall of the shell is reduced.

As shown in fig. 2, the device integrates all detection modules into a core PCB, and the core PCB has the functions of resistance measurement, audio amplification and the like. The power supply, aviation socket, function selection and other switches are used as inputs to be connected into the core board, the LCD is used as a resistor to measure, display and output, the electric quantity is used for displaying the residual electric quantity of the battery, and the loudspeaker is used for amplifying and outputting signals of the microphone.

Specifically, a multi-section switch, a micro single chip microcomputer, an analog-to-digital converter, an audio amplifying module and a power module are arranged on the PCB; the multi-section switch is connected with the micro single-chip microcomputer through the analog-to-digital converter, and the micro single-chip microcomputer is connected with the liquid crystal display screen; the multi-section switch is connected with a loudspeaker through an audio amplifying module; the power module is connected with each module arranged on the liquid crystal display, the electric quantity indicator lamp and the PCB.

As shown in fig. 3, the switching of the detection function of the present apparatus uses a multi-stage switch to select different functions.

As shown in fig. 4, the resistors of the microphone and the earphone are collected by using the ADS1256 and the single-chip microcomputer ATMEGA328 for detecting the resistance value, and the resistance value is displayed on the LCD liquid crystal screen.

Specifically, the microphone and the earphone are respectively connected in series with the precision resistor, a reference power supply is connected, the ADS1256 collects voltages at two ends of the precision resistor, the ATMEGA328 single-chip microcomputer reads the collected voltage values, converts the collected voltage values into the resistor, and displays data on an LCD liquid crystal screen.

As shown in fig. 5, the audio amplifying module includes a pre-amplifying unit and a post-amplifying unit; the input end of the pre-amplifying unit is connected with the microphone, the output end of the pre-amplifying unit is connected with the input end of the post-amplifying unit, and the output end of the post-amplifying unit is connected with the loudspeaker; and carrying out microphone pre-amplification by adopting a MAX4466 chip, carrying out audio amplification by adopting a PAM8610 chip, and finally outputting the amplified signals to a loudspeaker.

Meanwhile, a music chip is embedded in the PCB and used for generating an audio signal to drive the earphone to make a sound and testing the function of the earphone.

As shown in fig. 6, the detection device uses a lithium battery to supply power and a power chip to reduce voltage, so that the power supply problem of the portable equipment is solved. The power module comprises a rechargeable battery, a battery charge-discharge protection unit and a voltage modulation unit; the rechargeable battery is respectively connected with the charging interface and the voltage modulation unit through the battery charging and discharging protection unit, and the voltage modulation unit is used for providing different circuit power supply voltages.

The battery charge-discharge protection unit adopts SGM2526 to perform circuit protection, and the voltage modulation unit comprises LT1956, LP2985 and AS1117, which are respectively used for providing 12V, 5V and 3.3V voltages for the circuit and respectively supplying power for the power amplification circuit, the liquid crystal display and the singlechip.

While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.

Claims

1. The utility model provides a pilot helmet conversation function detection device convenient to carry which characterized in that includes: the portable shell and the PCB arranged in the portable shell;

2. The portable pilot helmet talk function detection apparatus according to claim 1, wherein the power module comprises a rechargeable battery, a battery charge-discharge protection unit, and a voltage modulation unit; the rechargeable battery is respectively connected with the charging interface and the voltage modulation unit through the battery charging and discharging protection unit, and the voltage modulation unit is used for providing different circuit power supply voltages.

3. The portable pilot helmet communication function detection device according to claim 1, wherein a function change-over switch, a volume adjusting knob, an earphone switch, a power switch and a charging port are sequentially arranged on one side surface of the rear shell from top to bottom.

4. The portable pilot helmet talk function detection apparatus according to claim 1, wherein the audio amplification module comprises a pre-amplification unit and a post-amplification unit; the input end of the pre-amplifying unit is connected with the microphone, the output end of the pre-amplifying unit is connected with the input end of the post-amplifying unit, and the output end of the post-amplifying unit is connected with the loudspeaker.

5. The portable pilot helmet communication function detection device according to claim 1, wherein the resistance detection module comprises a micro single-chip microcomputer and an analog-to-digital converter, the function switching module is connected with the micro single-chip microcomputer through the analog-to-digital converter, and the micro single-chip microcomputer is connected with a liquid crystal display.

6. The portable pilot helmet conversation function detection device of claim 1 wherein the function switch module is a multi-segment switch.

7. The portable pilot helmet conversation function detection device of claim 1, wherein the PCB board is further provided with a music chip for generating an audio signal to test the earphone function.

8. The portable pilot helmet conversation function detection device of claim 1 wherein a waterproof sealing rubber ring is provided at the junction of the front and rear shells.

9. The portable pilot helmet communication function detection device according to claim 1, wherein four corners of the PCB board are fixed on the rear shell through fixing bolts, spring gaskets are arranged between the fixing bolts and the PCB board, and two ends of each spring gasket are respectively abutted against the PCB board and the tail ends of the fixing bolts.

10. The portable pilot helmet talk function detection apparatus of claim 1 wherein said receptacle is an aviation receptacle.