CN215416953U - Personal sound exposure detection alarm - Google Patents
Personal sound exposure detection alarm Download PDFInfo
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- CN215416953U CN215416953U CN202121569115.4U CN202121569115U CN215416953U CN 215416953 U CN215416953 U CN 215416953U CN 202121569115 U CN202121569115 U CN 202121569115U CN 215416953 U CN215416953 U CN 215416953U
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- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 238000005259 measurement Methods 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 238000006467 substitution reaction Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
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Abstract
The utility model relates to a personal sound exposure detection alarm instrument, which comprises an alarm instrument shell, wherein a PCB mainboard is arranged in the alarm instrument shell, a storage battery, a signal conditioner, a light source adjusting module, a processor and a GPS positioning module are arranged on the PCB mainboard, the signal conditioner, the light source adjusting module, the processor and the GPS positioning module are respectively and electrically connected with the storage battery through the PCB mainboard, compared with the prior art, the personal sound exposure detection alarm instrument has the advantages that the signal conditioner is matched with a microphone and the processor to work, the sound collection efficiency can be effectively improved, electric signals transmitted by the microphone can be calibrated, the measurement accuracy of the personal sound exposure detection alarm instrument is further improved, the functions of the personal sound exposure detection alarm instrument can be more comprehensive through the arrangement of the GPS positioning module, the light source adjusting module and an infrared temperature sensor, further facilitating the use of the user.
Description
Technical Field
The utility model relates to the technical field of personal sound exposure meters, in particular to a personal sound exposure detection alarm instrument.
Background
The personal sound exposure detection alarm instrument is also called as a personal sound exposure meter, is mainly used for personal sound exposure measurement and environmental noise measurement in the fields of mines, factory enterprises, environmental protection, labor hygiene, traffic, teaching, scientific research and the like, is also applied to measurement and evaluation of noise on workers in labor protection, industrial hygiene and the like, is a measuring instrument used in occupational hygiene and health, and has the advantages of low measurement accuracy and single function.
SUMMERY OF THE UTILITY MODEL
To this end, the present invention provides a personal sound exposure detection alarm apparatus that solves the problems noted in the background above.
The utility model provides a personal sound exposure detection alarm instrument, which comprises an alarm instrument shell, wherein a display is arranged on the upper surface of the alarm instrument shell, a control area is arranged below the display, a fixing clamp is arranged on the lower surface of the shell of the alarm instrument, a microphone is arranged at the top of the shell of the alarm instrument, an LED lamp is also arranged at the center of the top of the shell of the alarm instrument, the bottom of the alarm device shell is provided with an SD card slot, one side of the alarm device shell is provided with a USB power interface, the other side of the alarm instrument shell is provided with an infrared temperature sensor, a PCB main board is arranged inside the alarm instrument shell, the PCB main board is provided with a storage battery, a signal conditioner, a light source adjusting module, a processor and a GPS positioning module, the signal conditioner, the light source adjusting module, the processor and the GPS positioning module are electrically connected with the storage battery through the PCB mainboard respectively.
Furthermore, the display, the control area, the microphone, the LED lamp, the USB power interface, the SD card slot and the infrared temperature sensor are electrically connected with the storage battery through the PCB mainboard.
Further, the processor is also electrically connected with the control area, the display and the infrared temperature sensor respectively.
Furthermore, an SD memory card is arranged in the SD card slot.
Further, an attenuator and a logarithmic amplifier are also included in the signal conditioner.
Compared with the prior art, the personal sound exposure detection alarm instrument disclosed by the utility model can effectively improve the sound collection efficiency and calibrate the electric signals transmitted by the microphone by using the signal conditioner to work together with the microphone and the processor, so that the measurement accuracy of the personal sound exposure detection alarm instrument is further improved, and the functions of the personal sound exposure detection alarm instrument can be more comprehensive by arranging the GPS positioning module, the light source adjusting module and the infrared temperature sensor, so that the personal sound exposure detection alarm instrument is further convenient for a user to use.
Drawings
FIG. 1 is a schematic block diagram of the overall structure of a personal sound exposure detection alarm apparatus according to the present invention;
FIG. 2 is a front view of a personal acoustic exposure detection alarm in accordance with the present invention;
FIG. 3 is a right side view of a personal acoustic exposure detection alarm in accordance with the present invention;
FIG. 4 is a schematic structural view of a personal sound exposure detection alarm apparatus according to the present invention;
fig. 5 is a left side view of the personal sound exposure detection alarm of the present invention.
Detailed Description
In order that the objects and advantages of the utility model will be more clearly understood, the utility model is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 5, the utility model relates to a personal sound exposure detection alarm, which comprises an alarm shell 1, a display 2, a control area 3, a fixing clamp 4, a microphone 5, an LED lamp 6, an SD card slot 7, a USB power interface 8, a PCB mainboard 9, a storage battery 10, a signal conditioner 11, an attenuator 12, a logarithmic amplifier 13, a light source adjusting module 14, a processor 15, an SD memory card 16, an infrared temperature sensor 17, and a GPS positioning module 18, wherein the display 2 is arranged on the upper surface of the alarm shell 1, the control area 3 is arranged below the display 2, the fixing clamp 4 is arranged on the lower surface of the alarm shell 1, the microphone 5 is arranged on the top of the alarm shell 1, the LED lamp 6 is arranged at the center of the top of the alarm shell 1, the SD card slot 7 is arranged at the bottom of the alarm shell 1, the USB power interface 8 is arranged at one side of the alarm shell 1, the other side of the alarm instrument shell 1 is provided with an infrared temperature sensor 17, a PCB (printed circuit board) main board 9 is arranged in the alarm instrument shell 1, a storage battery 10, a signal conditioner 11, a light source adjusting module 14, a processor 15 and a GPS (global positioning system) positioning module 18 are arranged on the PCB main board 9, wherein the signal conditioner 11, the light source adjusting module 14, the processor 15 and the GPS positioning module 18 are respectively and electrically connected with the storage battery 10 through the PCB main board 9; the display 2, the control area 3, the microphone 5, the LED lamp 6, the USB power interface 8, the SD card slot 7 and the infrared temperature sensor 17 are electrically connected with the storage battery 10 through the PCB mainboard 9; the processor 15 is further electrically connected with the control area 3, the display 2 and the infrared temperature sensor 17 respectively; an SD memory card 16 is arranged in the SD card slot 7; the signal conditioner 11 further includes an attenuator 12 and a logarithmic amplifier 13.
When the device is used, a user clamps the personal sound exposure detection alarm on a collar by using a fixing clamp 4 on the personal sound exposure detection alarm, the personal sound exposure detection alarm is started by a function button in a control area 3, the personal sound exposure detection alarm starts to work, a microphone 5 receives external sound, converts the sound into an electric signal and transmits the electric signal to a signal conditioner 11, an attenuator 12 and a logarithmic amplifier 13 in the signal conditioner 11 calibrate the electric signal and then transmit the electric signal to a processor 15 for processing, processed sound data information is transmitted to a display 2, a numerical image of the external noise level is displayed by the display 2, and meanwhile, the processed sound data information is transmitted to an SD memory card 16 by the processor 15 to generate a sound data file.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the utility model, and the technical scheme after the changes or substitutions can fall into the protection scope of the utility model.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The personal sound exposure detection alarm is characterized by comprising an alarm shell, wherein, a display is arranged on the upper surface of the alarm instrument shell, a control area is arranged below the display, a fixing clamp is arranged on the lower surface of the alarm instrument shell, the top of the alarm instrument shell is provided with a microphone and the center of the top of the alarm instrument shell is also provided with an LED lamp, the bottom of the alarm device shell is provided with an SD card slot, one side of the alarm device shell is provided with a USB power interface, the other side of the alarm instrument shell is provided with an infrared temperature sensor, a PCB main board is arranged inside the alarm instrument shell, the PCB main board is provided with a storage battery, a signal conditioner, a light source adjusting module, a processor and a GPS positioning module, the signal conditioner, the light source adjusting module, the processor and the GPS positioning module are electrically connected with the storage battery through the PCB mainboard respectively.
2. The personal acoustic exposure detection alarm apparatus of claim 1, wherein the display, the control area, the microphone, the LED lamp, the USB power interface, the SD card slot and the infrared temperature sensor are electrically connected to the battery through the PCB motherboard.
3. The personal acoustic exposure detection alarm of claim 1, wherein the processor is further electrically connected to the control area, the display, and the infrared temperature sensor, respectively.
4. The personal acoustic exposure detection alarm instrument of claim 1, wherein an SD memory card is installed in the SD card slot.
5. The personal acoustic exposure detection alarm of claim 1, further comprising an attenuator and a logarithmic amplifier within the signal conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121569115.4U CN215416953U (en) | 2021-07-12 | 2021-07-12 | Personal sound exposure detection alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121569115.4U CN215416953U (en) | 2021-07-12 | 2021-07-12 | Personal sound exposure detection alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215416953U true CN215416953U (en) | 2022-01-04 |
Family
ID=79648601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121569115.4U Active CN215416953U (en) | 2021-07-12 | 2021-07-12 | Personal sound exposure detection alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215416953U (en) |
-
2021
- 2021-07-12 CN CN202121569115.4U patent/CN215416953U/en active Active
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