CN213422406U

CN213422406U - Calibrating device of acoustic instrument

Info

Publication number: CN213422406U
Application number: CN202022503456.3U
Authority: CN
Inventors: 柴瑞睿; 朱波; 徐钟生; 陈宗霞; 张芳玲
Original assignee: Guizhou Huice Measurement And Testing Co ltd
Current assignee: Guizhou Huice Measurement And Testing Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-06-11
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a calibrating device of an acoustic instrument, which relates to the technical field of detecting and calibrating devices, and aims at the problem that the existing detecting quality can not be well controlled, the following proposal is proposed, which comprises a seal box, a moving box is slidingly sleeved at one side of the seal box, a clamp is fixedly connected at the middle of the moving box, a water tank is fixedly connected at the top of the seal box, a water pump is fixedly connected at the inner wall of the water tank, the output end of the water pump is connected with an output tube, the other end of the output tube is connected with an auxiliary device positioned in the seal box, and a vacuum device is fixedly connected at the bottom of the water tank. The calibration of adapting to different acoustic instruments is convenient to work.

Description

Calibrating device of acoustic instrument

Technical Field

The utility model relates to a detect calibrating device technical field, especially relate to an acoustic instrument's calibrating device.

Background

The acoustic instrument is characterized in that a medium is utilized to generate vibration, information transmission or other functions are carried out, and a series of standards are established for facilitating subsequent use so as to ensure the production stability of the instrument.

In the actual use process, due to the complexity of media and environment, sound waves emitted every time may have certain differences, and when the device is used for production, a certain reference is needed to calibrate an initial instrument.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of calibrating device of acoustic instrument solves the control detection quality's that can not be fine problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a calibrating device of acoustic instrument, includes the seal box, the removal case has been cup jointed in one side slip of seal box, the middle fixedly connected with anchor clamps of removal case, the top fixedly connected with water tank of seal box, the inner wall fixedly connected with water pump of water tank, the output of water pump is connected with the output tube, and the other end of output tube is connected with the auxiliary device who is located the seal box, the bottom fixedly connected with vacuum apparatus of water tank, vacuum apparatus's below be provided with seal box fixed connection's etalon main part, the bottom fixedly connected with air tank of seal box, one side fixedly connected with of air tank is located the communicating pipe of etalon main part one side, fixedly connected with battery, controller and steady voltage current regulator in the seal box.

Preferably, vacuum device include with water tank fixed connection's install bin, the infrabasal plate fixedly connected with vacuum pump of install bin, the input of vacuum pump is connected with the intake pipe that is located the seal box, the output of vacuum pump is connected with the outlet duct.

Preferably, the upper side of the water tank is fixedly connected with an adding pipe, and the communicating pipe is connected with an electromagnetic valve.

Preferably, the auxiliary device comprises a connecting pipe connected with the output pipe, the other end of the connecting pipe is connected with a function box, the middle of the function box is fixedly connected with a plurality of filter plates, one of the filter plates is fixedly connected with a plurality of fans, and one side of each fan is provided with a heating pipe fixedly connected with the function box.

Preferably, both sides of function case all are provided with a plurality of bleeder vents, one side fixedly connected with of function case and output tube fixed connection's bracing piece.

Preferably, a sliding groove is formed in the seal box, the movable box is located in the sliding groove and is in sliding connection with the groove wall of the sliding groove, an opening door is rotatably connected to one side of the movable box, and a maintenance door is rotatably connected to one side of the seal box.

The utility model has the advantages that:

1: through mutually supporting of multiple device, can change the environment between seal box and the removal case, and then form different detection ring border, can guarantee to calibrate under standard environment and adjust, guarantee the accurate nature of calibration, the change of different environment simultaneously can adapt to the calibration of different acoustic instruments, the going on of convenient work.

2: through the cooperation of removal case and seal box etc. can be different, reduce the volume of device, make things convenient for accomodating of whole device, make things convenient for carrying of whole device simultaneously, make things convenient for going on of work.

Drawings

Fig. 1 is a schematic front sectional view of a calibration apparatus for an acoustic instrument according to the present invention;

fig. 2 is a schematic left sectional view of a calibration apparatus for an acoustic instrument according to the present invention;

fig. 3 is a schematic left-side sectional view of an auxiliary device of a calibration device for an acoustic instrument according to the present invention.

Reference numbers in the figures: 1. a sealing box; 2. a chute; 3. a battery; 5. an air box; 6. a mobile box; 7. a clamp; 8. opening the door; 9. a water tank; 10. a water pump; 11. an air inlet pipe; 12. a vacuum pump; 13. repairing the door; 14. repairing the door; 15. an air outlet pipe; 16. a standard instrument main body; 17. A communicating pipe; 18. a voltage stabilizer and a current stabilizer; 19. a controller; 20. an auxiliary device; 21. an output pipe; 22. a connecting pipe; 23. a fan; 24. heating a tube; 25. a function box; 26. a filter plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a calibrating device for an acoustic instrument comprises a sealed box 1, a movable box 6 is slidably sleeved on one side of the sealed box 1, a clamp 7 is fixedly connected in the middle of the movable box 6, a water tank 9 is fixedly connected to the top of the sealed box 1, a water pump 10 is fixedly connected to the inner wall of the water tank 9, an output end of the water pump 10 is connected with an output pipe 21, the other end of the output pipe 21 is connected with an auxiliary device 20 positioned in the sealed box 1, a vacuum device is fixedly connected to the bottom of the water tank 9, a standard instrument main body 16 fixedly connected with the sealed box 1 is arranged below the vacuum device, an air box 5 is fixedly connected to the bottom of the sealed box 1, a communicating pipe 17 positioned on one side of the standard instrument main body 16 is fixedly connected to one side of the air box 5, a battery 3, a controller 19 and a voltage stabilizing and current stabilizer 18 are fixedly connected in the sealed box, fixing, then utilizing a connecting wire, so as to facilitate subsequent adjustment or power supply, then starting the standard instrument main body 16, detecting, and then calibrating and adjusting, in the using process, the battery 3 is stabilized by the voltage stabilizing and current stabilizing device 18, so as to ensure the stability of frequency signals, the controller 19 is of the existing structure, can be purchased in the market directly, and simultaneously, in order to ensure the stability of calibration, the vacuum equipment can be started according to the requirement, so that the gas in the space enclosed by the seal box 1 and the movable box 6 is reduced, and the air is adaptive to different air densities, and the standard component gas in the air box 5 can be discharged into the seal box 1 through the communicating pipe 17, and simultaneously, the high-pressure gas is in the air box 5, so as to realize sound measurement under different air pressure standards, and the water pump 10 can be opened according to the requirement, so that the liquid in the water tank 9 enters the auxiliary device through, the same changes the environment in seal box 1, can singly work between various devices, also can work simultaneously equally, adjusts, satisfies the needs of the calibration under the different environment, and wherein the measurement of coefficient such as humiture, pressure for the function that etalon main part 16 self carried, the removal case 6 that removes can make the distance between the acoustic instrument that awaits measuring and the etalon main part 16 change, realizes different regulations.

Vacuum apparatus includes the install bin with 9 fixed connection of water tank, the infrabasal plate fixedly connected with vacuum pump 12 of install bin, the input of vacuum pump 12 is connected with the intake pipe 11 that is located seal box 1, the output of vacuum pump 12 is connected with outlet duct 15, through the work of vacuum pump 12, can utilize intake pipe 11 with seal box 1 and remove the air absorption between 6, then through outlet duct 15 discharge, reduce the air content in the seal box 1, change certain environment.

An adding pipe 13 is fixedly connected to the upper side of the water tank 9, an electromagnetic valve is connected to the communicating pipe 17, clear water is added to the adding pipe 13, and the electromagnetic valve controls the on-off of gas circulation.

The auxiliary device 20 comprises a connecting pipe 22 connected with the output pipe 21, the other end of the connecting pipe 22 is connected with a function box 25, the middle of the function box 25 is fixedly connected with a plurality of filter plates 26, one of the filter plates 26 is fixedly connected with a plurality of fans 23, one side of each fan 23 is provided with a heating pipe 24 fixedly connected with the function box 25, both sides of the function box 25 are provided with a plurality of air holes, one side of the function box 25 is fixedly connected with a support rod fixedly connected with the output pipe 21, when the auxiliary device works, the fans 23 can be singly started to enable the air in the seal box 1 to flow, along with the difference of the working power of the fans 23, the flowing speed is different, the physical property of the gas is changed, meanwhile, according to needs, the heating pipes 24 can be simultaneously started to synchronously heat the gas in the seal box 1, the auxiliary device is suitable for sound propagation at different temperatures, the fan 23 can be started to assist in the dispersion of water vapor, so that the humidity in the air is increased, and the completion of calibration is guaranteed.

Be provided with spout 2 in the seal box 1, the movable box 6 is located spout 2, and the cell wall sliding connection of movable box 6 and spout 2, one side of movable box 6 is rotated and is connected with door opening 8, one side of seal box 1 is rotated and is connected with maintenance door 14, inject through spout 2, guarantee the stability of sealing between 1 of movable box 6, bottom one side of movable box 6 is provided with the bleeder vent, guarantee the extraction of movable box when or the flow of air when removing, guarantee going on of extraction, door opening 8 conveniently places and waits to detect the instrument, maintenance door 14 conveniently maintains the operation such as to the internal installation.

The working principle is as follows: when detecting, firstly, the device to be detected is placed on the clamp 7, and is fixed, then a connecting wire is utilized, so that subsequent adjustment or power supply is facilitated, then the standard instrument main body 16 is opened, detection is performed, then calibration adjustment is performed, in the using process, the battery 3 is stabilized through the voltage stabilizing current stabilizer 18, the stability of a frequency signal is ensured, the controller 19 is of the existing structure, the battery can be directly purchased in the market, meanwhile, in order to ensure the stability of calibration, the work of the vacuum pump 12 can be started according to needs, the air between the seal box 1 and the movable box 6 can be sucked through the air inlet pipe 11, then the air is discharged through the air outlet pipe 15, the air content in the seal box 1 is reduced, a certain environment is changed, the standard component gas in the air box 5 can also be discharged into the seal box 1 through the communicating pipe 17, and meanwhile, the high-pressure gas is in the air box 5, realize the sound measurement under different atmospheric pressure standards, and can be as required, turn on the water pump 10, make the liquid in the water tank 9 enter the people in the function box 25 through the output tube 21, then through the striking of filter 26, the atomization, then discharge from the function box 25, increase the humidity in the air, change the environment in the seal box 1, can also single turn on the blower 23, make the air in the seal box 1 flow, along with the difference of the working power of the blower 23, the flow rate is different, change the physical property of the gas, meanwhile, as required, can open the heating pipe 24 at the same time, heat the gas in the seal box 1 synchronously, adapt to the sound propagation under different temperatures, when the water pump 10 is opened, can open the blower 23, assist the diffusion of steam, can work singly between various devices, can also work simultaneously, and adjusting to meet the calibration requirements under different environments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A calibration device of an acoustic instrument comprises a seal box (1) and is characterized in that one side of the seal box (1) is slidably sleeved with a movable box (6), a clamp (7) is fixedly connected to the middle of the movable box (6), a water tank (9) is fixedly connected to the top of the seal box (1), a water pump (10) is fixedly connected to the inner wall of the water tank (9), an output end of the water pump (10) is connected with an output pipe (21), the other end of the output pipe (21) is connected with an auxiliary device (20) positioned in the seal box (1), a vacuum device is fixedly connected to the bottom of the water tank (9), a standard instrument main body (16) fixedly connected with the seal box (1) is arranged below the vacuum device, an air box (5) is fixedly connected to the bottom of the seal box (1), a communicating pipe (17) positioned on one side of the standard instrument main body (16) is fixedly connected to one side of the air box (5, the sealing box (1) is internally and fixedly connected with a battery (3), a controller (19) and a voltage and current stabilizing device (18).

2. An acoustic instrument calibration device according to claim 1, wherein the vacuum device comprises a mounting box fixedly connected with a water tank (9), a vacuum pump (12) is fixedly connected with the inner bottom plate of the mounting box, an air inlet pipe (11) positioned in the sealing box (1) is connected to the input end of the vacuum pump (12), and an air outlet pipe (15) is connected to the output end of the vacuum pump (12).

3. An acoustic instrument calibration device according to claim 1, wherein an addition pipe (13) is fixedly connected to the upper side of the water tank (9), and an electromagnetic valve is connected to the connection pipe (17).

4. A calibration device for an acoustic instrument according to claim 1, wherein said auxiliary device (20) comprises a connection pipe (22) connected to the output pipe (21), and a function box (25) is connected to the other end of the connection pipe (22), a plurality of filter plates (26) are fixedly connected to the middle of said function box (25), wherein a plurality of fans (23) are fixedly connected to one of said filter plates (26), and a heating pipe (24) fixedly connected to the function box (25) is provided on one side of said fans (23).

5. An acoustic instrument calibration device according to claim 4, wherein both sides of the function box (25) are provided with a plurality of air holes, and one side of the function box (25) is fixedly connected with a support rod fixedly connected with the output tube (21).

6. An acoustic instrument calibration device according to claim 1, wherein the sealed box (1) is provided with a chute (2), the movable box (6) is located in the chute (2), the movable box (6) is slidably connected with the chute wall of the chute (2), one side of the movable box (6) is rotatably connected with an opening door (8), and one side of the sealed box (1) is rotatably connected with a maintenance door (14).