CN213368153U

CN213368153U - Multi-station audio test equipment

Info

Publication number: CN213368153U
Application number: CN202022910296.4U
Authority: CN
Inventors: 田明扬
Original assignee: Dongguan Aopu New Audio Technology Co ltd
Current assignee: Dongguan Aopu New Audio Technology Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-06-04
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a multistation audio test equipment, it includes testboard, two test boxes, controller and operation display screen, the test box all is equipped with test fixture and sound source module, test fixture all is equipped with automatic lifting mechanism and pushes down the mechanism, test fixture is equipped with a plurality of adjustable pieces of placing and artifical ear subassembly, the testboard is equipped with the temperature and becomes the look and glue. The utility model discloses can realize the multiunit test of bluetooth headset, optimize operating time and the bluetooth pairing time of operating personnel, improve efficiency of software testing, reduce test cost; the automatic lifting mechanism is used for providing test tests at different distances, the test stability and the data accuracy of the wireless earphone are improved, the performance test quality is guaranteed, the automatic lifting mechanism can realize up-and-down frequent motion, the test environment of motion is simulated, the test can be continued without being converted into another test device, the test time of the earphone to be tested is shortened, the test efficiency is improved, and the test requirement of the existing Bluetooth earphone is met.

Description

Multi-station audio test equipment

Technical Field

The utility model relates to a technical field of earphone test, concretely relates to multistation audio test equipment.

Background

The earphone is a pair of conversion units which receive the electric signals sent by the media player or receiver and convert the electric signals into audible sound waves by using a loudspeaker close to the ear. Most of traditional earphones are wired, and with the development of science and technology, the existing earphones are gradually developed in a wireless direction, for example, the invention of a Bluetooth earphone is free from the constraint of wires, great convenience and user experience effects are brought to users, and in order to guarantee the performance stability of the Bluetooth earphone, various parameters such as frequency loudness, harmonic distortion, left-right balance, polarity, abnormal sound and the like need to be tested on an earphone monomer, so that a better experience effect is provided for the users. The existing Bluetooth headset is mainly tested by an acoustic testing device, and the existing acoustic testing device only has one testing station, so that when a group of Bluetooth headsets are tested, the testing work needs to be suspended, the tested Bluetooth headsets are taken out, then the tested headsets are placed and then tested, and the testing work is suspended due to the fact that materials come from top to bottom, so that the whole testing efficiency is low, all testing data cannot be stored, the monitoring and data sharing of the Bluetooth headset quality are not facilitated, the existing acoustic testing device can only be used for testing the Bluetooth headsets of one specification, generally, different specifications of placing jigs need to be customized for testing the Bluetooth headsets of different specifications, the applicability is low, the testing cost is high, the testing of a plurality of different specifications of the tested headsets cannot be simultaneously performed, and the testing efficiency is low; the traditional temperature detection mode is a thermometer, but the visual effect is poor, the temperature can be observed only in a short distance, the temperature cannot be fed back to people immediately in a visual mode, accidents are easy to happen, and certain potential safety hazards exist; the test fixture height in current acoustics testing arrangement is mostly the manual work and adjusts, and adjustment efficiency is slow to influence subsequent efficiency of software testing, and can not simulate the mobile test, need convert to another testing arrangement side ability simulation mobile test, bluetooth headset's whole test time is long, influences efficiency, can not satisfy current bluetooth headset's test demand.

Disclosure of Invention

The utility model discloses a to present technique not enough, provide a multistation audio test equipment.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is:

the multi-station audio test equipment comprises a test board, wherein the test board is provided with two test boxes, a controller and an operation display screen, the test boxes comprise sound insulation boxes and box covers, test fixtures and sound source modules are arranged in the sound insulation boxes, operators are arranged outside the sound insulation boxes, the sound source modules comprise sound source modules I and sound source modules II, the test fixtures are provided with automatic lifting mechanisms and pushing mechanisms, the test fixtures are arranged on the automatic lifting mechanisms, the automatic lifting mechanisms comprise a plurality of driving motors and a plurality of lifting rods, the test fixtures are further provided with a plurality of adjustable placing blocks and artificial ear assemblies, audio comprehensive testers are arranged in the test board, and the controller, the test boxes, the audio comprehensive testers, the operation display, the sound source modules, the operation display and the like, Through cable electric connection between automatic lifting mechanism, the mechanism of pushing down and the artifical ear subassembly, the testboard is equipped with the temperature discoloration and glues.

The improved structure is characterized in that a supporting pipe is arranged outside the driving motor, two sliding grooves are formed in the supporting pipe, the driving motor is provided with a rotating shaft, a screw rod is arranged on the rotating shaft, a screw nut is arranged on the screw rod, a connecting block is arranged on the screw nut, the lifting rod is arranged on the connecting block, a movable through hole is formed in the lifting rod and used for penetrating the screw rod, two protruding blocks are arranged on the outer side of the lifting rod, and the protruding blocks are matched with the sliding grooves in a fit mode.

The improved sound insulation box is characterized in that terminal boards are arranged on the rear sides of the two sound insulation boxes, the terminal boards are provided with a plurality of buses and signal interfaces, air cylinders for opening and closing the box cover are obliquely arranged on the left side and the right side of the sound insulation boxes, anti-clamping infrared sensors and opening and closing test buttons are further arranged on the sound insulation boxes, and the infrared sensors are electrically connected with the controller.

Further improvement is made, one of the sound source module includes artifical mouth system and sound source pipe, the other one of the sound source module includes sound production loudspeaker, all be equipped with the platform in the sound insulation box, the platform is equipped with mounting panel and support, the mounting panel below is equipped with places the frame, artifical mouth system sets up place in the frame, the sound source pipe sets up on the artifical mouth system, the support is equipped with the fixed plate, sound production loudspeaker set up on the fixed plate.

The improved structure of the test fixture comprises a first mounting plate and a fixture plate, wherein the first mounting plate and the fixture plate are provided with center holes, the first mounting plate is provided with a plurality of countersunk holes, the fixture plate is provided with a plurality of through holes, the artificial ear assembly comprises a plurality of artificial ears, the artificial ears are arranged in the countersunk holes respectively, and the adjustable placing blocks are arranged in the through holes respectively.

The improved structure comprises a first mounting plate, a plurality of first through holes, a plurality of jig plates, a plurality of sound source guide pipes and a sound outlet, wherein the first mounting plate is provided with a plurality of countersunk holes, the first through holes are arranged on the first mounting plate in an annular array mode, the first through holes are arranged on the jig plates in an annular array mode, the plurality of through holes are correspondingly arranged above the countersunk holes respectively, the sound source guide pipes penetrate through the central holes of the first mounting plate and the central holes of the jig plates, and the sound source guide pipes are provided with sound.

The improved artificial ear is further improved, the adjustable placing blocks are arranged above the artificial ears respectively and are multiple, the adjustable placing blocks all comprise annular blocks, first adjusting blocks and second adjusting blocks, the annular blocks are provided with first two sliding grooves, the first adjusting blocks and the second adjusting blocks are arranged on the first sliding grooves respectively, the first adjusting blocks and the second adjusting blocks are provided with sliders and placing cavities, tension spring sets are arranged between the first adjusting blocks and the second adjusting blocks, each tension spring set comprises two tension springs, silica gel pads are arranged in the placing cavities, the first adjusting blocks are provided with first protruding blocks, and the first protruding blocks are provided with grooves.

The jig plate is provided with a plurality of guide sleeves and a first connecting block, the lower pressing plate is provided with a second connecting block and a plurality of guide pillars, the guide pillars respectively penetrate into the guide sleeves correspondingly, the first air cylinder is arranged above and below the first connecting block, the first air cylinder is provided with a telescopic rod, and the end part of the telescopic rod is connected with the second connecting block.

The improved structure is characterized in that the improved structure is further characterized in that the lower pressing plate is provided with two buffer rods, the two buffer rods are provided with springs, the pressing block is arranged below the buffer rods, the bottom of the pressing block is provided with a silica gel pad I, and the lower pressing plate and the pressing block are provided with four through holes.

The utility model has the advantages that: the utility model discloses a set up two test boxes and can realize the multiunit test of bluetooth headset, optimize operating personnel's operating time and bluetooth pairing time, when the bluetooth headset of first test box the inside is testing, the earphone of second test box the inside can be got and put and the switching on and shutting down operation, can carry out bluetooth pairing simultaneously, wait for the first test box to accomplish the test in the second test box automatically after the test, avoided because of the unloading of test box, product switching on and shutting down, the product carries out the work of bluetooth pairing and suspend test system, simultaneously, can once only accomplish the test of acoustics, button function, bluetooth name, battery power of multiunit bluetooth headset, and can replace the manual work and carry out the listening test of unusual sound, the effectual holistic efficiency of testing that has improved, the test cost is reduced; the adjustable placing block can be used for clamping and placing earphones to be tested with different specifications, so that the applicability is improved, the multi-station audio testing equipment can synchronously test the earphones to be tested with the same specification or different specifications, and the testing efficiency of the earphones to be tested is greatly improved; the temperature color-changing glue is arranged to convert internal or external temperature change into visible color to be fed back to people in time, when an element module in the multi-station audio test equipment is used, generated heat flows to the temperature color-changing glue, the color of the temperature color-changing glue can change along with the rise of temperature, and the internal temperature of the multi-station audio test equipment is fed back in time, so that people can control the temperature in the multi-station audio test equipment in time, the use effect of the element module in the multi-station audio test equipment is prevented from being influenced by high temperature, and the safety is improved; the sound source guide pipe is arranged for protecting the stability of a sound source provided by the artificial mouth system, and the artificial mouth system is used for providing a human voice simulation sound source for a plurality of earphones to be tested, so that the test efficiency is improved; be used for adjusting the distance between test fixture and the sound source module through setting up automatic lifting mechanism, be convenient for provide the test of different distances, improve wireless earphone's test stability and data accuracy, guarantee wireless earphone's capability test quality, and frequent motion about automatic lifting mechanism can realize, thereby provide the test environment of simulated motion, need not be converted into another testing arrangement side ability simulation mobile test, shorten the test time of the earphone that awaits measuring, improve efficiency of software testing, satisfy current bluetooth headset's test demand.

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Drawings

FIG. 1 is a schematic diagram of an overall structure of a multi-station audio testing apparatus according to the present embodiment;

FIG. 2 is an exploded view of the test fixture of the present embodiment;

fig. 3 is a schematic sectional view of the lifting mechanism of the present embodiment;

fig. 4 is a schematic diagram of the adjustable placement block structure of the present embodiment.

In the figure: 1. the multi-station audio test equipment comprises a multi-station audio test device, 2, a test board, 3, a test box, 4, an operation display screen, 5, a sound insulation box body, 6, a box cover, 7, a test fixture, 8, a sound source module, 50, an operator, 80, a sound source module I, 81, a sound source module II, 70, an automatic lifting mechanism, 71, a pressing mechanism, 700, a driving motor, 701, a lifting rod, 9, an adjustable placing block, 10, an artificial ear assembly, 11, temperature color changing glue, 702, a supporting pipe, 7020, a sliding groove, 7002, a connecting block, 7000, a screw rod, 7010, a bump, 7020, a sliding groove, 51, an air cylinder, 52, an infrared sensor, 53, an opening and closing test button, 800, an artificial mouth system, 801, a sound source pipe, 53, a platform, 54, an installation plate, 55, a support, 56, a placing frame, 57, a fixing plate, 72, a first installation plate, 73, a fixture plate, 72, 730. the damping device comprises a first through hole, a 90-ring-shaped block, a 91-adjusting block I, a 92-adjusting block II, a 900-sliding groove I, a 921-placing cavity, a 93-tension spring set, a 910-projection I, a 911-groove, a 710-cylinder I, a 711-lower pressure plate, a 712-pressing block, a 732-guide sleeve, a 733-connecting block I, a 7110-connecting block II, a 7111-guide column and a 7112-damping rod.

Detailed Description

The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.

In the embodiment, referring to fig. 1 to 4, a multi-station audio testing device 1 includes a testing table 2, the testing table 2 is provided with two testing boxes 3, a controller and an operation display screen 4, each of the two testing boxes 3 includes a sound insulation box 5 and a box cover 6, a testing jig 7 and a sound source module 8 are disposed in the sound insulation box 5, an operator 50 is disposed outside the sound insulation box 5, each of the sound source modules 8 includes a sound source module i 80 and a sound source module ii 81, each of the testing jigs 7 is provided with an automatic lifting mechanism 70 and a pressing mechanism 71, the testing jig 7 is disposed on the automatic lifting mechanism 70, each of the automatic lifting mechanisms 70 includes a plurality of driving motors 700 and a plurality of lifting rods 701, each of the testing jigs 7 is provided with a plurality of adjustable placing blocks 9 and artificial ear assemblies 10, an audio comprehensive tester is disposed in the testing table 2, the controller is electrically connected with the test box 3, the audio comprehensive tester, the operation display 4, the sound source module 8, the automatic lifting mechanism 70, the pressing mechanism 71 and the artificial ear assembly 10 through cables, the test board 2 is provided with the temperature color changing glue 11, the temperature color changing glue 11 is made of temperature color changing materials, the temperature color changing glue 11 changes the internal or external temperature of the multi-station audio test equipment 1 into visible temperature and feeds back the temperature to people in time, when an element module in the multi-station audio test equipment 1 is used, the generated heat flows to the temperature color changing glue 11, the temperature color changing glue 11 can also generate color change along with the rise of the temperature and feeds back the internal temperature of the multi-station audio test equipment 1 in time, so that the temperature in the multi-station audio test equipment 1 can be controlled by people in time, and the use effect of the element module in the multi-station audio test equipment 1 is prevented from being influenced by the high temperature, the safety is improved, the multi-group test of the Bluetooth earphones can be realized by arranging the two test boxes 3, the operation time and the Bluetooth pairing time of an operator are optimized, when the Bluetooth earphones inside the first test box are tested, the earphones inside the second test box 3 can be taken, placed and turned on and turned off, meanwhile, the Bluetooth pairing can be carried out, the test in the second test box 3 is automatically carried out after the first test box 3 finishes the test, the problems that the test system is suspended due to the fact that the test boxes 3 are charged and discharged, the product is turned on and turned off and the Bluetooth pairing is carried out on the product are avoided, meanwhile, the acoustics of the multi-group Bluetooth earphones can be completed at one time, the key function, the Bluetooth name and the battery electric quantity can be tested, the artificial listening test of abnormal sounds can be replaced, the whole test efficiency is effectively improved, and the test cost is reduced.

A supporting tube 702 is arranged outside each of the driving motors 700, each supporting tube 702 is provided with two sliding grooves 7020, each driving motor 700 is provided with a rotating shaft, each rotating shaft is provided with a screw 7000, each screw 7000 is provided with a screw nut 7001, each screw nut 7001 is provided with a connecting block 7002, the lifting rod 701 is arranged on the connecting block 7002, each lifting rod 701 is provided with a movable through hole, each movable through hole is used for the screw 7000 to penetrate, two bumps 7010 are arranged outside each lifting rod 701, the two bumps 7010 are respectively matched and attached with the sliding grooves 7020, the two bumps 7010 and the two sliding grooves 7020 are used for ensuring stable movement when the lifting rod 701 moves up and down, each driving motor 700 is used for driving the screw rods 7000 to rotate so as to drive the screw nuts 7001 to drive the lifting rods 701 to move up and down, and the automatic lifting mechanism 70 can be used for adjusting the distance between the test fixture 7 and the sound source module, the test of different distances is convenient to provide, the test stability and the data accuracy of the wireless earphone are improved, the performance test quality of the wireless earphone is guaranteed, the automatic lifting mechanism 70 can realize the action of up-and-down frequent movement, so that the simulated test environment under the motion state can be provided for the to-be-tested Bluetooth earphone, and the test efficiency is improved.

Terminal boards are arranged on the rear sides of the two sound insulation box bodies 5, the terminal boards are provided with a plurality of buses and signal interfaces, air cylinders 51 used for opening and closing box covers are obliquely arranged on the left side and the right side of the sound insulation box bodies 5, anti-clamping infrared sensors 52 and opening and closing test buttons 53 are further arranged on the sound insulation box bodies 5, and the infrared sensors 52 are electrically connected with a controller.

The first sound source module 80 comprises an artificial mouth system 800 and a sound source conduit 801, the second sound source module 81 comprises a sounding horn, the sound insulation box bodies 5 are internally provided with platforms 53, the platforms 53 are provided with mounting plates 54 and brackets 55, a placing frame 56 is arranged below the mounting plate 54, the artificial mouth system 800 is arranged in the placing frame 56, the sound source conduit 801 is provided on the artificial mouth system 800, the holder 55 is provided with a fixing plate 57, the sounding speaker is arranged on the fixing plate 57, the artificial mouth system 800 is used for providing a simulated human voice source for the Bluetooth headset to be tested on the test fixture 7, the sound source conduit 801 serves to protect the stability of the sound source provided by the artificial mouth system 800, and realize that an artifical mouth system 800 provides the human voice simulation sound source for a plurality of earphones that await measuring, improves efficiency of software testing, sound source module two 81 is used for providing the external sound source of simulation to the bluetooth headset that awaits measuring.

The test fixture 7 all includes mounting panel 72 and tool board 73, mounting panel 72 and tool board 73 all are equipped with centre bore 7200, mounting panel 72 is equipped with a plurality of counter bores 720, tool board 73 is equipped with a plurality of through-holes 730, artifical ear subassembly 10 includes a plurality of artifical ears, and is a plurality of artifical ear sets up respectively in the counter bore 720, it is a plurality of adjustable piece 9 of placing sets up respectively in the through-hole 730, artifical ear subassembly 10 is used for simulating human ear auditory system, receives the test effect of the earphone that awaits measuring to feed back test effect and data result to the controller.

The plurality of counter bores 720 are arranged on the first mounting plate 72 in an annular array mode, the plurality of first through holes 730 are arranged on the jig plate 73 in an annular array mode, the plurality of first through holes 730 are correspondingly arranged above the counter bores 720 respectively, the sound source guide pipes 801 penetrate through the central holes 7200 of the first mounting plate 72 and the central holes 7200 of the jig plate 73, and the sound source guide pipes 801 are provided with sound outlets.

The adjustable placing blocks 9 are respectively arranged above the artificial ears, each adjustable placing block 9 comprises a ring block 90, a first adjusting block 91 and a second adjusting block 92, each ring block 90 is provided with two first sliding grooves 900, each first adjusting block 91 and each second adjusting block 92 are respectively arranged on the first sliding groove 900, each first adjusting block 91 and each second adjusting block 92 are respectively provided with a sliding block and a placing cavity 921, each first adjusting block 91 and each second adjusting block 92 are respectively arranged on the first sliding groove 900 through the sliding blocks, a tension spring set 93 is arranged between each first adjusting block 91 and each second adjusting block 92, each tension spring set 93 is composed of two tension springs, silica gel pads are arranged in the placing cavities 921, each first adjusting block 91 is provided with a first protruding block 910, each first protruding block 910 is provided with a groove 911, each groove 911 is used for placing the rod part of the earphone to be tested, each first adjusting block 91 and each second adjusting block 92 can form the adjustable placing blocks 9 with different specifications through the tension spring sets 93, the utility model discloses a test of earphone, including the multistation audio test equipment 1, the test of the earphone of waiting of same specification or the test of the earphone of waiting of different specifications can be carried out simultaneously to the centre gripping and the test of placing of the earphone of different specifications of being convenient for, improve the suitability to make multistation audio test equipment 1, the silica gel pad is used for playing the guard action, prevents to scrape colored earphone surface of waiting to detect.

The pressing mechanism 71 comprises a first cylinder 710, a lower pressing plate 711 and a pressing block 712, the jig plate 73 is provided with a plurality of guide sleeves 732 and a first connecting block 733, the lower pressing plate 711 is provided with a second connecting block 7110 and a plurality of guide posts 7111, the guide sleeves 732 are correspondingly penetrated by the guide posts 7111, the first cylinder 710 is arranged above and below the first connecting block 733, the first cylinder 710 is provided with an expansion rod, the end part of the expansion rod is connected with the second connecting block 7110, the lower pressing plate 711 is provided with two buffer rods 7112, the two buffer rods 7112 are provided with springs, the pressing block 712 is arranged below the buffer rod 7112, the bottom of the pressing block 712 is provided with a first silica gel pad, the lower pressing plate 711 and the pressing block 712 are provided with a fourth through hole for a sound source provided by the second sound source module 81 to pass through, the pressing mechanism 71 is used for pressing the earphone to be tested on the jig plate 73 to prevent the earphone to be tested from shifting in the, and the test effect is ensured.

The utility model discloses a set up two test boxes and can realize the multiunit test of bluetooth headset, optimize operating personnel's operating time and bluetooth pairing time, when the bluetooth headset of first test box the inside is testing, the earphone of second test box the inside can be got and put and the switching on and shutting down operation, can carry out bluetooth pairing simultaneously, wait for the first test box to accomplish the test in the second test box automatically after the test, avoided because of the unloading of test box, product switching on and shutting down, the product carries out the work of bluetooth pairing and suspend test system, simultaneously, can once only accomplish the test of acoustics, button function, bluetooth name, battery power of multiunit bluetooth headset, and can replace the manual work and carry out the listening test of unusual sound, the effectual holistic efficiency of testing that has improved, the test cost is reduced; the adjustable placing block can be used for clamping and placing earphones to be tested with different specifications, so that the applicability is improved, the multi-station audio testing equipment can synchronously test the earphones to be tested with the same specification or different specifications, and the testing efficiency of the earphones to be tested is greatly improved; the temperature color-changing glue is arranged to convert internal or external temperature change into visible color to be fed back to people in time, when an element module in the multi-station audio test equipment is used, generated heat flows to the temperature color-changing glue, the color of the temperature color-changing glue can change along with the rise of temperature, and the internal temperature of the multi-station audio test equipment is fed back in time, so that people can control the temperature in the multi-station audio test equipment in time, the use effect of the element module in the multi-station audio test equipment is prevented from being influenced by high temperature, and the safety is improved; the sound source guide pipe is arranged for protecting the stability of a sound source provided by the artificial mouth system, and the artificial mouth system is used for providing a human voice simulation sound source for a plurality of earphones to be tested, so that the test efficiency is improved; be used for adjusting the distance between test fixture and the sound source module through setting up automatic lifting mechanism, be convenient for provide the test of different distances, improve wireless earphone's test stability and data accuracy, guarantee wireless earphone's capability test quality, and frequent motion about automatic lifting mechanism can realize, thereby provide the test environment of simulated motion, need not be converted into another testing arrangement side ability simulation mobile test, shorten the test time of the earphone that awaits measuring, improve efficiency of software testing, satisfy current bluetooth headset's test demand.

The utility model discloses be not limited to above-mentioned embodiment, adopt with the utility model discloses above-mentioned embodiment is the same or similar structure or device, and the other that obtain is used for multistation audio test equipment, all is within the utility model discloses an within the scope of protection.

Claims

1. A multistation audio test equipment which characterized in that: the multi-station audio test equipment comprises a test board, wherein the test board is provided with two test boxes, a controller and an operation display screen, the two test boxes comprise a sound insulation box body and a box cover, a test fixture and a sound source module are arranged in the sound insulation box body, an operator is also arranged outside the sound insulation box body, the sound source module comprises a sound source module I and a sound source module II, the test fixtures are respectively provided with an automatic lifting mechanism and a pressing mechanism, the test fixtures are arranged on the automatic lifting mechanism, the automatic lifting mechanism comprises a plurality of driving motors and a plurality of lifting rods, the test fixtures are respectively provided with a plurality of adjustable placing blocks and artificial ear assemblies, an audio comprehensive tester is arranged in the test board, and the controller is electrically connected with the test boxes, the audio comprehensive tester, the operation display, the sound source module, the automatic lifting mechanism, the pressing mechanism and the artificial ear assemblies through cables, the test board is provided with temperature color-changing glue.

2. The multi-station audio testing apparatus according to claim 1, wherein: it is a plurality of all be equipped with the stay tube outside the drive motor, the stay tube all is equipped with two spouts, and is a plurality of drive motor all is equipped with the axis of rotation, the axis of rotation all is equipped with the lead screw, the lead screw is equipped with screw-nut, screw-nut is equipped with the connecting block, the lifter sets up on the connecting block, the lifter is equipped with the activity through-hole, the activity through-hole is used for passing of lead screw, the lifter outside is equipped with two lugs, two the lug respectively with spout cooperation laminating.

3. A multi-station audio testing apparatus according to claim 2, wherein: the rear sides of the two sound insulation boxes are respectively provided with a terminal board, the terminal boards are respectively provided with a plurality of buses and signal interfaces, the left side and the right side of each sound insulation box are respectively obliquely provided with a cylinder for opening and closing the box cover, each sound insulation box is also provided with an anti-pinch infrared sensor and an opening and closing test button, and the infrared sensors are electrically connected with the controller.

4. A multi-station audio testing apparatus according to claim 3, wherein: one of the sound source module includes artifical mouth system and sound source pipe, two of the sound source module include sound production loudspeaker, all be equipped with the platform in the sound insulation box, the platform is equipped with mounting panel and support, the mounting panel below is equipped with places the frame, artifical mouth system setting is in place in the frame, the sound source pipe sets up on the artifical mouth system, the support is equipped with the fixed plate, sound production loudspeaker set up on the fixed plate.

5. The multi-station audio testing apparatus according to claim 4, wherein: the test fixture comprises a first mounting plate and a fixture plate, the first mounting plate and the fixture plate are provided with center holes, the first mounting plate is provided with a plurality of countersunk holes, the fixture plate is provided with a plurality of first through holes, the artificial ear assembly comprises a plurality of artificial ears, the artificial ears are arranged in the countersunk holes respectively, and the adjustable placing blocks are arranged in the first through holes respectively.

6. The multi-station audio testing apparatus according to claim 5, wherein: a plurality of the counter sink sets up with the mode of annular array on the mounting panel one, and is a plurality of through-hole one sets up with the mode of annular array on the tool board, a plurality of through-hole one corresponds the setting respectively and is in the counter sink top, the sound source pipe all passes the centre bore of mounting panel one and the centre bore of tool board, the sound source pipe is equipped with the sound outlet.

7. The multi-station audio testing apparatus according to claim 6, wherein: it is a plurality of the adjustable piece of placing sets up respectively artifical ear top, it is a plurality of the adjustable piece of placing all includes annular block, regulating block one and regulating block two, the annular block is equipped with two spout one, regulating block one and regulating block two are established respectively on the spout one, regulating block one and regulating block two all are equipped with the slider and place the chamber, be equipped with extension spring group between regulating block one and the regulating block two, extension spring group comprises two extension springs, it all is equipped with the silica gel pad to place the intracavity, regulating block one is equipped with lug one, lug one is equipped with the recess.

8. The multi-station audio testing apparatus according to claim 7, wherein: the pressing mechanism comprises a first air cylinder, a pressing plate and a pressing block, the jig plate is provided with a plurality of guide sleeves and a first connecting block, the pressing plate is provided with a second connecting block and a plurality of guide pillars, the guide pillars respectively penetrate into the guide sleeves in a corresponding mode, the first air cylinder is arranged above and below the first connecting block, the first air cylinder is provided with a telescopic rod, and the end portion of the telescopic rod is connected with the second connecting block.

9. The multi-station audio testing apparatus according to claim 8, wherein: the lower pressing plate is provided with two buffer rods, the two buffer rods are provided with springs, the pressing block is arranged below the buffer rods, the bottom of the pressing block is provided with a silica gel pad I, and the lower pressing plate and the pressing block are provided with four through holes.