CN212180088U

CN212180088U - Travelling basket noise experimental apparatus

Info

Publication number: CN212180088U
Application number: CN202021268845.6U
Authority: CN
Inventors: 胡达平; 万锦忠
Original assignee: Dongguan Huakai Testing Equipment Technology Co ltd
Current assignee: Dongguan Huakai Testing Equipment Technology Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2020-12-18
Anticipated expiration: 2030-07-02

Abstract

The utility model provides a traveling case noise experimental device, which relates to the technical field of noise detection and comprises a machine body, wherein the front end of the machine body is fixedly connected with a sound absorption cover plate, the front end of the sound absorption cover plate is provided with sound absorption holes which are arranged in a rectangle and are arranged uniformly in a straight line shape, the sound absorption holes are connected with the front end of the machine body and the front end of the sound absorption cover plate in a penetrating way, the cross-sectional dimension of the sound absorption cover plate is smaller than that of the machine body, the front end of the machine body is fixedly connected with an adhesive block at the bottom of the sound absorption cover plate, the adhesive block is uniformly arranged in a straight line shape, the cross-sectional shape of the adhesive block is a rectangle, the top end of the machine body is fixedly connected with a control key, one end of the top end of the machine body, which is far away from the control key is provided with a USB interface, the data, the data comparison and some detection effects can be facilitated by effectively recording the detection data, and the operation is convenient and simple.

Description

Travelling basket noise experimental apparatus

Technical Field

The utility model relates to a noise detection area especially relates to a travelling basket noise experimental apparatus.

Background

The noise measuring instrument mainly comprises: the sound level meter is the most basic and commonly used acoustic instrument in noise measurement, not only has flat frequency response which does not change along with frequency and can be used for measuring sound pressure level of objective quantity, but also has A, B which simulates human ear frequency response characteristic and a C (also D) weighting network which can be used as subjective sound level measurement. The 'fast' and 'slow' gear device can appropriately react to noise with fast fluctuation so as to reflect and observe the noise property, and the noise level meter is divided into four types according to the measurement precision and stability according to the specification of the International Electrotechnical Commission (IEC) 651, wherein the types 0 and 1 are precise, the frequency range is 20-12500 Hz, and the noise level meter is used for research work; the 2 type and the 3 type belong to common types, the frequency range is 31.5-8000 Hz, and the method is suitable for common measurement and common investigation. The pulse precision sound level meter is mainly used for measuring the pulse noise emitted by a gun and a machine impact besides being used for measuring the power of a steady sound source.

In the existing experimental device for the noise of the suitcase, because the data needs to be recorded and analyzed manually when the data detection is completed in the process of detecting an experiment, the data detected by the equipment needs to be recorded every time the detection is completed, and the operation is inconvenient and troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a traveling case noise experimental device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model discloses a sound absorption cover plate, including the organism, the front end fixedly connected with sound absorption apron of organism, the sound absorption hole has been seted up to the front end of sound absorption apron, the sound absorption hole is the rectangle and sets up, and the sound absorption hole is a style of calligraphy align to grid, and sound absorption hole through connection is in the front end of organism and the front end of sound absorption apron, the cross sectional dimension of sound absorption apron is less than the cross sectional dimension of organism, the front end of organism pastes the piece at the bottom fixedly connected with of sound absorption apron, it is the even setting of a word to paste the piece, and pastes the cross sectional shape of piece and be the rectangle, the top fixedly connected with control key of organism, the USB interface has been seted up to the one end that.

Preferably, the rear end of the machine body is fixedly connected with a display screen, and the sectional size of the display screen is smaller than that of the machine body.

Preferably, the rear end of the sound absorption cover plate is fixedly connected with the detection device, the rear end of the detection device is fixedly connected with the circuit board, the section size of the circuit board is smaller than that of the machine body, and the rear end of the circuit board is fixedly connected with the front end of the display screen.

Preferably, the inside electric connection of circuit board has the storage chip, the inside electric connection of circuit board has transmission device, and transmission device's rear end and the front end electric connection of display screen, transmission device's front end and detection device's rear end fixed connection.

Preferably, detection device's inside fixedly connected with frequency detection appearance, and the front end of frequency detection appearance and the rear end fixed connection of sound absorption apron, and the right side electric connection of frequency detection appearance has the sound level detector, the front end of sound level detector and the rear end fixed connection of sound absorption apron, and the rear end of frequency detection appearance and sound level detector and the front end electric connection of circuit board.

Preferably, the right side electric connection of sound level detector has the noise meter, the right side electric connection of noise meter has real-time detector, and the rear end of noise meter and real-time detector and the front end electric connection of circuit board, and noise meter and real-time detector are in the coplanar.

Advantageous effects

1. In the utility model, the adhesive block can be adhered to one side of the suitcase when the suitcase is detected through the sound absorption cover plate and the adhesive block arranged at the front end of the machine body, so that the equipment can be fixed at one side of the suitcase, noise is absorbed through the sound absorption hole arranged at the front end of the sound absorption cover plate, the detection is carried out through the sound level detector and the noise meter arranged in the detection device, when the detection is finished, the data which are detected and finished are displayed through the electronic screen through the circuit board, meanwhile, the data which are detected and finished are recorded through the storage chip, if the previous data need to be read, the data are transmitted through the transmission device by connecting with other equipment through the USB interface, the data can be compared for several times, so that the equipment has the storage function compared with the common equipment, the data comparison and some detection effects can be facilitated by effectively recording and detecting the data, the operation is convenient and simple.

Drawings

FIG. 1 is a schematic axial view of a noise testing device for a traveling case according to the present invention;

FIG. 2 is a schematic view of a rear view of a noise testing device for a suitcase according to the present invention;

FIG. 3 is a schematic view of the internal structure of the detecting device of the suitcase noise testing apparatus of the present invention;

fig. 4 is a schematic view of the internal structure of the device for testing noise of a suitcase according to the present invention.

Illustration of the drawings:

1. a body; 2. a sound absorbing cover plate; 3. a sound absorbing aperture; 4. a USB interface; 5. a control key; 6. sticking the block; 7. a display screen; 8. a frequency detector; 9. a sound level detector; 10. a noise meter; 11. detecting a real-time detector; 12. a transmission device; 13. storing the chip; 14. a circuit board; 15. and (4) a detection device.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1-2, a travelling basket noise experimental apparatus, including organism 1, the front end fixedly connected with sound absorption apron 2 of organism 1, sound absorption hole 3 has been seted up to the front end of sound absorption apron 2, sound absorption hole 3 is the rectangle and sets up, and sound absorption hole 3 is a style of calligraphy align to grid, and sound absorption hole 3 through connection is in the front end of organism 1 and the front end of sound absorption apron 2, the cross sectional dimension of sound absorption apron 2 is less than the cross sectional dimension of organism 1, the front end of organism 1 is at the bottom fixedly connected with of sound absorption apron 2 and pastes piece 6, it is even to paste piece 6 and be a style of calligraphy and set up, and the cross sectional shape of pasting piece 6 is the rectangle, the top fixedly connected with control key 5 of organism 1, the one end that control key 5 was kept away from on the top of.

The second embodiment is as follows:

referring to fig. 3-4, a display 7 is fixedly connected to the rear end of the body 1, the cross-sectional size of the display 7 is smaller than that of the body 1, a detection device 15 is fixedly connected to the rear end of the sound-absorbing cover plate 2, a circuit board 14 is fixedly connected to the rear end of the detection device 15, the cross-sectional size of the circuit board 14 is smaller than that of the body 1, the rear end of the circuit board 14 is fixedly connected to the front end of the display 7, a storage chip 13 is electrically connected to the inside of the circuit board 14, a transmission device 12 is electrically connected to the inside of the circuit board 14, the rear end of the transmission device 12 is electrically connected to the front end of the display 7, the front end of the transmission device 12 is fixedly connected to the rear end of the detection device 15, a frequency detector 8 is fixedly connected to the inside of the detection device 15, the front end of the frequency detector 8 is fixedly connected to the rear end, the front end of the sound level detector 9 is fixedly connected with the rear end of the sound absorption cover plate 2, the rear ends of the frequency detector 8 and the sound level detector 9 are electrically connected with the front end of the circuit board 14, the right side of the sound level detector 9 is electrically connected with a noise meter 10, the right side of the noise meter 10 is electrically connected with a real-time detector 11, the rear ends of the noise meter 10 and the real-time detector 11 are electrically connected with the front end of the circuit board 14, and the noise meter 10 and the real-time detector 11 are in the same plane.

The utility model discloses a theory of operation: firstly, the sound absorption cover plate 2 and the adhesive block 6 at the front end of the machine body 1 can be adhered to one side of the suitcase when the suitcase is detected, so that the equipment can be fixed at one side of the suitcase, noise is absorbed through the sound absorption hole 3 arranged at the front end of the sound absorption cover plate 2, the detection is carried out through the sound level detector 9 and the noise meter 10 arranged in the detection device 15, when the detection is finished, the data which is finished is displayed through the display screen 7 through the real-time detector 11 and the transmission device 12 through the circuit board 14, the data which is finished is detected is recorded through the storage chip 13, if the previous data needs to be read, the data is transmitted through the transmission device 12 by connecting with other equipment through the USB interface 4, the data can be compared for several times, so that the equipment has the storage function compared with the common equipment, the detection data can be effectively recorded, and the data comparison and some detection effects are convenient, the operation is convenient and simple.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a travelling basket noise experimental apparatus, includes organism (1), its characterized in that: the utility model discloses a sound absorption cover plate, including organism (1), sound absorption hole (3) have been seted up to the front end fixedly connected with sound absorption apron (2) of organism (1), sound absorption hole (3) are the rectangle and set up, and sound absorption hole (3) are a style of calligraphy align to grid, and sound absorption hole (3) through connection is in the front end of organism (1) and the front end of sound absorption apron (2), the cross sectional dimension of sound absorption apron (2) is less than the cross sectional dimension of organism (1), the front end of organism (1) pastes piece (6) at the bottom fixedly connected with of sound absorption apron (2), it is even the setting of a style of calligraphy to paste piece (6), and the cross sectional shape of pasting piece (6) is the rectangle, the top fixedly connected with control key (5) of organism (1), USB interface (4) have been seted up to the one end that control key (5) was kept away from on the top of organism (.

2. The noise testing device of the traveling case as claimed in claim 1, wherein: the rear end fixedly connected with display screen (7) of organism (1), the cross sectional dimension of display screen (7) is less than the cross sectional dimension of organism (1).

3. The noise testing device of the traveling case as claimed in claim 1, wherein: the rear end fixedly connected with detection device (15) of sound absorption apron (2), and the rear end fixedly connected with circuit board (14) of detection device (15), and the cross sectional dimension of circuit board (14) is less than the cross sectional dimension of organism (1), and the front end fixedly connected with of the rear end of circuit board (14) and display screen (7).

4. The noise testing device of the traveling case as claimed in claim 3, wherein: the inside electric connection of circuit board (14) has storage chip (13), the inside electric connection of circuit board (14) has transmission device (12), and the rear end of transmission device (12) and the front end electric connection of display screen (7), the front end of transmission device (12) and the rear end fixed connection of detection device (15).

5. The noise testing device of the traveling case as claimed in claim 3, wherein: the inside fixedly connected with frequency detection appearance (8) of detection device (15), and the front end of frequency detection appearance (8) and the rear end fixed connection of sound absorption apron (2), and the right side electric connection of frequency detection appearance (8) has sound level detector (9), the front end of sound level detector (9) and the rear end fixed connection of sound absorption apron (2), and the rear end of frequency detection appearance (8) and sound level detector (9) and the front end electric connection of circuit board (14).

6. The noise testing device of the traveling case as claimed in claim 5, wherein: the right side electric connection of sound level detector (9) has noise meter (10), the right side electric connection of noise meter (10) has real-time detection appearance (11), and the rear end of noise meter (10) and real-time detection appearance (11) and the front end electric connection of circuit board (14), and noise meter (10) and real-time detection appearance (11) are in the coplanar.