CN113630709B - Data detection device for Bluetooth transmission - Google Patents

Data detection device for Bluetooth transmission Download PDF

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Publication number
CN113630709B
CN113630709B CN202110952538.2A CN202110952538A CN113630709B CN 113630709 B CN113630709 B CN 113630709B CN 202110952538 A CN202110952538 A CN 202110952538A CN 113630709 B CN113630709 B CN 113630709B
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Prior art keywords
sealing
detection device
simulation
bluetooth
seat
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CN113630709A (en
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刘志峰
贺占魁
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Shenzhen Zhinan Measurement And Control Technology Co ltd
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Shenzhen Zhinan Measurement And Control Technology Co ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00Monitoring arrangements; Testing arrangements
    • H04R29/001Monitoring arrangements; Testing arrangements for loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B5/00Near-field transmission systems, e.g. inductive or capacitive transmission systems

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

The invention relates to the technical field of Bluetooth acoustic detection, in particular to a Bluetooth transmission data detection device. The earphone comprises a detection seat and a simulation seat arranged on the upper side of the detection seat, wherein the detection seat comprises a placement seat and an acoustic detection device arranged at one end of the upper side of the placement seat and used for detecting an earphone, and the simulation seat comprises a simulation frame and a sealing cover device arranged inside the simulation frame and used for sealing. According to the invention, the Bluetooth earphone and the harmonic detection device for detecting the harmonic of the mobile terminal are placed in the placing groove, the distance between the end plugging block and the acoustic detection device is adjusted, the distance between the mobile terminal and Bluetooth is changed, and the filling cavity is filled with fillers of different substances to simulate the spacers in the actual use process, so that the harmonic characteristics and harmonic distortion distances of the Bluetooth earphone and the mobile terminal in the different spacers are obtained, and further accurate data of connection between the Bluetooth earphone and the mobile terminal are obtained.

Description

Data detection device for Bluetooth transmission
Technical Field
The invention relates to the technical field of Bluetooth transmission data detection, in particular to a Bluetooth transmission data detection device.
Background
The Bluetooth earphone is a pair of conversion units which receive the electric signals sent by the media player or the receiver and convert the electric signals into audible sound waves by using a loudspeaker close to the ears, and has the advantages that the Bluetooth earphone can independently listen to the sound without affecting other people; meanwhile, the sound of the surrounding environment can be isolated, and the sound-absorbing device is helpful for people in noisy environments such as recording rooms, DJ, trips and sports. Headphones have been used for telephones and radios, but with the popularity of portable electronic devices, headphones are often used for mobile phones, walkman, and radios. Portable video and digital audio players, etc. The produced earphone monomer needs to detect various parameters thereof so as to ensure the normal of various parameters of the Bluetooth earphone.
When the Bluetooth headset is used at home, the mobile terminal cannot be carried on the body, the articles encountered by the harmonic wave transmitted between the mobile terminal and the Bluetooth are complex, the effective transmission distance of the mobile terminal can also be changed, the experiment is carried out on the harmonic wave distance connected between the Bluetooth headset and the mobile terminal in an open field at present, the distance and the distance between the mobile terminal and the Bluetooth cannot be adjusted according to different conditions, the data detection of the Bluetooth transmission distance of the mobile terminal is not accurate enough, and the accurate parameters of the Bluetooth headset detection are affected.
Disclosure of Invention
The present invention is directed to a data detection device for bluetooth transmission, so as to solve the problems set forth in the background art.
In order to achieve the above purpose, the data detection device for bluetooth transmission comprises a detection seat and a simulation seat arranged on the upper side of the detection seat, wherein the detection seat comprises a placement seat and an acoustic detection device arranged at one end of the upper side of the placement seat and used for detecting headphones, the simulation seat comprises a simulation frame and a sealing cover device arranged inside the simulation frame and used for sealing, one side of the sealing cover device is provided with an electric cylinder used for driving one end of the sealing cover device to move, and the upper end of the sealing cover device is provided with a pull-back mechanism used for recovering the position of the sealing cover device;
The simulation frame comprises a simulation shell, a filling cavity and a sealing cavity are arranged in the simulation shell, the filling cavity is arranged at the lower side of the sealing cavity, and a mounting opening is formed in the simulation shell at one end of the filling cavity;
The sealing cover device comprises an end sealing block and a bottom guard plate fixed at one side of the end sealing block and close to the top, wherein the upper end of the end sealing block is provided with a plurality of barrier strips which are hinged together in sequence to form a strip shape, one end of one barrier strip is hinged with the upper side of the end sealing block, the end sealing block is arranged in the filling cavity in a sliding manner, the barrier strips are arranged in the sealing cavity, the end sealing block is provided with a mounting groove, and the inside of the mounting groove is provided with a harmonic detection device for detecting the harmonic intensity of the earphone;
The fixed box of the electric cylinder is arranged at a position, close to the mounting opening, of the filling cavity, and the threaded column of the electric cylinder is contacted with the side wall of the end plugging block.
As a further improvement of the technical scheme, a connecting frame is fixedly connected to the position, close to the bottom, of one end of the simulation shell, a feeding pipe is fixedly connected to the connecting frame, and a sealing plug for sealing the feeding pipe is arranged on the feeding pipe.
As a further improvement of the technical scheme, a sealing box is arranged in the acoustic detection device, a through hole is formed in one side, close to the simulation seat, of the acoustic detection device, the sealing box is connected with the through hole, and the connecting frame is communicated with the through hole.
As a further improvement of the technical scheme, two limit bars are arranged between the filling cavity and the sealing cavity, the two limit bars are fixed on two opposite side walls inside the simulation shell, and the upper side of the end plugging block is close to the edge and is in contact with the bottom of the limit bars.
As a further improvement of the technical scheme, the side wall of the sealing cavity is symmetrically and fixedly connected with a U-shaped sliding track bar, two ends of the barrier bar are fixedly connected with clamping blocks, and one end of each clamping block is slidably arranged in the sliding track bar.
As a further improvement of the technical scheme, the pull-back mechanism comprises a fixed pulley and a movable pulley, wherein the fixed pulley and the movable pulley are horizontally arranged, one side of the fixed pulley is aligned with one side of the movable pulley, and a fiber rope is wound between the fixed pulley and the movable pulley.
As a further improvement of the technical scheme, the fixed pulleys are hinged to the side wall of the sealed cavity, which is close to one side of the connecting frame, one end of the fiber ropes is fixed on a frame hinged to the fixed pulleys, a movable frame hinged to the movable pulleys is arranged on the movable pulleys, one side of the movable frame is fixedly connected with a spring, and one end of the spring is fixed on the side wall, which is far away from one end of the connecting frame.
As a further improvement of the technical scheme, a pull column is fixedly connected to the position, close to the middle part, of the barrier strip of the end plugging block, the other end of the fiber rope is fixed to the pull column, and a sealing cover is arranged at the upper end of the sealing cavity.
As the further improvement of this technical scheme, one side both ends fixedly connected with side protection strip of tip shutoff piece, the chute that the slope set up has been seted up to one side of tip shutoff piece and side protection strip, the inside joint of chute has the cutting, one side fixedly connected with rubber material's plastics of cutting scrapes the strip, one side and the inside wall contact of filling the chamber of plastics scrapes the strip.
As a further improvement of the technical scheme, the method for detecting the harmonic intensity by the harmonic detection device adopts a transmission curve of the photoelectric modulator for detection, and the transmission function is as follows:
Where m is the actual transmission curve shape adjustment constant, V b is the bias voltage of the photoemission intensity adjuster, V i is the amplitude of the loaded signal voltage, ω is the signal angular frequency, Representing the k-order harmonic component and the fundamental frequency quantity.
Compared with the prior art, the invention has the beneficial effects that:
1. In this bluetooth transmission's data detection device, through placing bluetooth headset and the harmonic detection device that detects the harmonic of remove the end in the standing groove to through adjusting the distance between tip shutoff piece and the acoustic detection device, change the distance between remove end and the bluetooth, under the different distances of simulation, bluetooth and remove the effect of end connection transmission, so that obtain bluetooth and remove the effect of end connection transmission under the different distances, improve bluetooth data detection's accuracy.
2. In the data detection device for Bluetooth transmission, fillers of different substances are filled in the filling cavity to simulate the spacers in the actual use process, simulation experiments are carried out on paths connected with the Bluetooth and the mobile terminal, so that harmonic characteristics and harmonic distortion distances of the Bluetooth earphone and the mobile terminal in the different spacers are obtained, and further accurate data of the connection transmission of the Bluetooth earphone and the mobile terminal are obtained.
3. In this bluetooth transmission's data detection device, will be used for filling the packing chamber upside of spacer and seal through closing cap device, ensure at the in-process that carries out the experiment, the spacer in the packing chamber can not drop out and influence the device, guarantees bluetooth headset and the normal operating of the simulation experiment that removes the end and connect.
Drawings
FIG. 1 is a schematic view of the overall structure of the working example 1 of the present invention;
FIG. 2 is a schematic view showing the overall structure of embodiment 1 of the present invention when not in operation;
FIG. 3 is a schematic cross-sectional view of the whole structure of embodiment 1 of the present invention;
FIG. 4 is a schematic cross-sectional view of a test seat according to embodiment 1 of the present invention;
FIG. 5 is a schematic cross-sectional view of a simulated seat in accordance with embodiment 1 of the present invention;
FIG. 6 is a schematic view of a partial cross-sectional structure of a simulation seat according to embodiment 1 of the present invention;
FIG. 7 is a schematic cross-sectional view of a simulation rack according to embodiment 1 of the present invention;
FIG. 8 is a schematic diagram of a capping device according to embodiment 1 of the present invention;
fig. 9 is a schematic structural diagram of a pullback mechanism according to embodiment 1 of the present invention;
Fig. 10 is a schematic view of the structure of an end block according to embodiment 2 of the present invention.
The meaning of each reference sign in the figure is:
1. a detection seat; 11. a placement seat; 12. a seal box; 13. a placing rack; 14. a through hole;
2. A simulation seat;
21. A simulation frame; 211. a simulated enclosure; 212. filling the cavity; 213. sealing the cavity; 214. a connection frame; 215. a limit bar; 216. sliding the track bar; 217. a mounting port; 218. a feed pipe; 219. a partition plate;
22. A capping device; 221. an end block; 2211. side guard strips; 2212. a chute; 2213. cutting; 2214. a plastic scraping strip; 222. a bottom guard board; 223. a mounting groove; 224. a barrier strip; 225. a clamping block; 226. pulling a column; 227. harmonic detection means;
23. An electric cylinder; 24. a pull-back mechanism; 241. a fixed pulley; 242. a movable pulley; 243. a moving rack; 244. a fiber rope; 245. a spring;
25. a sealing plug; 26. and (5) sealing the cover.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1
Referring to fig. 1-9, a bluetooth transmission data detection device is provided, which comprises a detection seat 1 and a simulation seat 2 arranged on the upper side of the detection seat 1, wherein the detection seat 1 comprises a placement seat 11 and an acoustic detection device arranged on one end of the upper side of the placement seat 11 and used for detecting headphones, the simulation seat 2 comprises a simulation frame 21 and a sealing device 22 arranged inside the simulation frame 21 and used for sealing, one side of the sealing device 22 is provided with an electric cylinder 23 used for driving one end of the sealing device 22 to move, and the upper end of the sealing device 22 is provided with a pull-back mechanism 24 used for recovering the position of the sealing device 22;
The simulation frame 21 comprises a simulation shell 211, a filling cavity 212 and a sealing cavity 213 are arranged in the simulation shell 211, the filling cavity 212 is arranged on the lower side of the sealing cavity 213, a mounting opening 217 is formed in the simulation shell 211 at one end of the filling cavity 212, a connecting frame 214 is fixedly connected to the position, close to the bottom, of one end of the simulation shell 211, a feeding pipe 218 is fixedly connected to the connecting frame 214, a sealing plug 25 for sealing the feeding pipe 218 is arranged on the feeding pipe 218, a sealing box 12 is arranged in the acoustic detection device, a through hole 14 is formed in one side, close to the simulation seat 2, of the acoustic detection device, the sealing box 12 is connected with the through hole 14, and the connecting frame 214 is communicated with the through hole 14;
The fixed box of the electric cylinder 23 is arranged at a position of the filling cavity 212 close to the mounting opening 217, and the threaded column of the electric cylinder 23 is contacted with the side wall of the end plugging block 221;
The cover sealing device 22 is driven to move inside the filling cavity 212 by the electric cylinder 23, the distance between the filling cavity 212 and the through hole 14 is changed, and meanwhile, spacers such as water, lime, sand and the like are filled between the filling cavity 212 and the connecting frame 214 through the feeding pipe 218, so that the connecting effect and the harmonic distortion distance between the mobile terminal and the Bluetooth headset can be detected by simulating different spacing environments and distances.
The cover sealing device 22 comprises an end sealing block 221 and a bottom guard plate 222 fixed at one side of the end sealing block 221 and close to the top, wherein the upper end of the end sealing block 221 is provided with a plurality of barrier strips 224 which are hinged together in sequence to form a strip shape, one end of one barrier strip 224 is hinged with the upper side of the end sealing block 221, the end sealing block 221 is arranged in the filling cavity 212 in a sliding manner, the barrier strips 224 are arranged in the sealing cavity 213, the end sealing block 221 is provided with a placing groove 223, and a harmonic wave detection device 227 for detecting the harmonic wave intensity of the earphone is arranged in the placing groove 223;
the method for detecting the harmonic intensity by the harmonic detection device 227 adopts a transmission curve of a photoelectric modulator for detection, and the transmission function is as follows:
Where m is the actual transmission curve shape adjustment constant, when m=1, it indicates that the transmission curve is linear, when m >1, it indicates that the transmission curve is nonlinear, V b is the bias voltage of the optoelectronic intensity adjuster, V i is the loaded signal voltage amplitude, ω is the signal angular frequency, Representing the k-order harmonic component and the fundamental frequency quantity;
the upside of filling cavity 212 is sealed through mutually articulated blend stop 224, avoids filling the spacer that fills in filling cavity 212 to drop out and influences the connection experiment of bluetooth, improves the accuracy that bluetooth connection experiment obtained data.
Two limiting strips 215 are arranged between the filling cavity 212 and the sealing cavity 213, the two limiting strips 215 are fixed on two opposite side walls in the simulation shell 211, the upper side of the end plugging block 221 is close to the edge and contacts with the bottom of the limiting strips 215, the side walls of the sealing cavity 213 are symmetrically and fixedly connected with U-shaped sliding track strips 216, two ends of the baffle strip 224 are fixedly connected with clamping blocks 225, and one end of each clamping block 225 is arranged in the sliding track strip 216 in a sliding mode;
The position of the barrier strip 224 is limited by the sliding track strip 216, so that the barrier strip 224 directly covers the upper end of the filling cavity 212 after moving, and the barrier strip 224 can block the spacer in the filling cavity 212, thereby improving the accuracy of detection data.
In addition, the pull-back mechanism 24 includes a fixed pulley 241 and a movable pulley 242, the fixed pulley 241 and the movable pulley 242 are horizontally arranged, one side of the fixed pulley 241 is aligned with one side of the movable pulley 242, a fiber rope 244 is wound between the fixed pulley 241 and the movable pulley 242, the fixed pulley 241 is hinged on the side wall of the sealed cavity 213 near the side of the connection frame 214, one end of the fiber rope 244 is fixed on a frame hinged with the fixed pulley 241, a movable frame 243 hinged with the movable pulley 242 is arranged on the movable pulley 242, one side of the movable frame 243 is fixedly connected with a spring 245, one end of the spring 245 is fixed on the side wall far from one end of the connection frame 214, a pull column 226 is fixedly connected on a position, close to the middle, on the barrier 224 far from the end blocking block 221, of the fiber rope 244 is fixed on the pull column 226, and the upper end of the sealed cavity 213 is provided with a sealing cover 26;
The pull-back mechanism 24 is arranged at the upper end of the capping device 22 to pull the capping device 22, so that the capping device 22 is pulled back to the original position when the spacers are not leased by the capping device 22, and the upper end of the filling cavity 212 is conveniently sealed when the capping device 22 is used at a later period.
In the use of the embodiment, the bluetooth earphone is connected with the moving end, and the moving end is placed on one side of the sealing box 12, in order to make the moving end placed on one side of the sealing box 12 stable, two placing frames 13 are arranged on one side of the sealing box 12, the bluetooth earphone is placed in the placing groove 223, the distance between the end plugging block 221 and the acoustic detection device is adjusted according to the requirement of an experiment, when the distance between the end plugging block 221 and the acoustic detection device is adjusted, the electric cylinder 23 pulls the end plugging block 221 to slide in the filling cavity 212, the limiting bar 215 limits the vertical position of the end plugging block 221, the moving end plugging block 221 drives the blocking bar 224 to move, a plurality of clamping blocks 225 slide along the track of the sliding track bar 216 in the sliding track bar 216, the blocking bar 224 covers the filling cavity 212, meanwhile, a baffle 219 for covering the upper end of the filling cavity 212 is arranged at the position of the sliding track bar 216, the end is driven to move by a rope 244 in the process of moving the blocking bar 224, the spring 245 starts, the detection personnel is relaxed to obtain the harmonic distortion by the filling cavity 212, and the harmonic distortion is detected by the Bluetooth earphone and the harmonic distortion is not detected by the Bluetooth earphone, and the harmonic distortion is detected at the end of the filling pipe 25 after the experiment is installed, and the harmonic distortion is detected, and the harmonic distortion is not detected, and the harmonic distortion is displayed on the end and the device is completely and the device is installed on the filling device.
Example 2
In order to improve the sealing effect of the end plugging block 221 and the side wall of the filling cavity 212, unlike in the embodiment 1, referring to fig. 10, two ends of one side of the end plugging block 221 are fixedly connected with side protection strips 2211, inclined grooves 2212 are formed in one side of the end plugging block 221 and one side of the side protection strips 2211, inserting strips 2213 are clamped inside the inclined grooves 2212, one side of each inserting strip 2213 is fixedly connected with a plastic scraping strip 2214 made of rubber, and one side of each plastic scraping strip 2214 is in contact with the inner side wall of the filling cavity 212.
When the plastic scraping strip 2214 is used in the embodiment, when the electric cylinder 23 pulls the end plugging block 221 to move, the plastic scraping strip 2214 rubs with the side wall of the filling cavity 212, so that gaps between the end plugging block 221 and the filling cavity 212 are reduced, and when the filler is liquid, the liquid is blocked in the filling cavity 212 between the end plugging block 221 and the through hole 14, so that the characteristic experiment of Bluetooth connection is facilitated.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. The utility model provides a bluetooth transmission's data detection device, including detecting seat (1) and setting up simulation seat (2) in detecting seat (1) upside, its characterized in that: the detection seat (1) comprises a placement seat (11) and an acoustic detection device which is arranged at one end of the upper side of the placement seat (11) and used for detecting the earphone, the simulation seat (2) comprises a simulation frame (21) and a cover sealing device (22) which is arranged in the simulation frame (21) and used for sealing, one side of the cover sealing device (22) is provided with an electric cylinder (23) which is used for driving one end of the cover sealing device (22) to move, and the upper end of the cover sealing device (22) is provided with a pull-back mechanism (24) which is used for recovering the position of the cover sealing device (22);
The simulation frame (21) comprises a simulation shell (211), a filling cavity (212) and a sealing cavity (213) are arranged in the simulation shell (211), the filling cavity (212) is arranged at the lower side of the sealing cavity (213), and a mounting opening (217) is formed in the simulation shell (211) at one end of the filling cavity (212);
The sealing device (22) comprises an end sealing block (221) and a bottom guard plate (222) fixed at one side of the end sealing block (221) and close to the top, a plurality of baffle strips (224) are arranged in the sealing cavity (213), the baffle strips (224) are hinged together in sequence in a strip shape, one end of one baffle strip (224) is hinged with the upper side of the end sealing block (221), the end sealing block (221) is arranged in the filling cavity (212) in a sliding manner, a placement groove (223) is formed in the end sealing block (221), and a harmonic detection device (227) for detecting the harmonic intensity of the earphone is arranged in the placement groove (223);
the fixed box of the electric cylinder (23) is arranged at a position, close to the mounting opening (217), of the filling cavity (212), and a threaded column of the electric cylinder (23) is contacted with the side wall of the end plugging block (221);
The method for detecting the harmonic intensity by the harmonic detection device (227) adopts a transmission curve of a photoelectric modulator for detection, and the transmission function is as follows:
Where m is the actual transmission curve shape adjustment constant, when m=1, it indicates that the transmission curve is linear, when m >1, it indicates that the transmission curve is nonlinear, V b is the bias voltage of the optoelectronic intensity adjuster, V i is the loaded signal voltage amplitude, ω is the signal angular frequency, Representing the k-order harmonic component and the fundamental frequency quantity;
The upper sides of the filling cavities (212) are sealed through the baffle strips (224) hinged with each other, so that the influence on the Bluetooth connection experiment caused by the falling out of the spacers filled in the filling cavities (212) is avoided.
2. The bluetooth transmitted data detection device according to claim 1, wherein: the simulation shell is characterized in that a connecting frame (214) is fixedly connected to the position, close to the bottom, of one end of the simulation shell (211), a feeding pipe (218) is fixedly connected to the connecting frame (214), and a sealing plug (25) for sealing the feeding pipe (218) is arranged on the feeding pipe (218).
3. The bluetooth transmitted data detection device according to claim 2, wherein: the inside of acoustic detection device is provided with sealed box (12), opening through hole (14) have been seted up to one side that acoustic detection device is close to simulation seat (2), sealed box (12) are connected with opening through hole (14), just connecting frame (214) and opening through hole (14) intercommunication.
4. The bluetooth transmitted data detection device according to claim 1, wherein: two limit strips (215) are arranged between the filling cavity (212) and the sealing cavity (213), the two limit strips (215) are fixed on two opposite side walls in the simulation shell (211), and the upper side of the end plugging block (221) is close to the edge and is in contact with the bottom of the limit strips (215).
5. The bluetooth transmitted data detection device according to claim 1, wherein: the side wall of the sealing cavity (213) is symmetrically and fixedly connected with a U-shaped sliding track strip (216) left and right, two ends of the baffle strip (224) are fixedly connected with clamping blocks (225), and one end of each clamping block (225) is slidably arranged in the sliding track strip (216).
6. The bluetooth transmitted data detection device according to claim 1, wherein: the pull-back mechanism (24) comprises a fixed pulley (241) and a movable pulley (242), wherein the fixed pulley (241) and the movable pulley (242) are horizontally arranged, one side of the fixed pulley (241) is aligned with one side of the movable pulley (242), and a fiber rope (244) is wound between the fixed pulley (241) and the movable pulley (242).
7. The bluetooth transmitted data detection device according to claim 6, wherein: the fixed pulley (241) is hinged to the side wall of the sealing cavity (213) close to one side of the connecting frame (214), one end of the fiber rope (244) is fixed to a frame hinged to the fixed pulley (241), a movable frame (243) hinged to the movable pulley (242) is arranged on the movable pulley (242), a spring (245) is fixedly connected to one side of the movable frame (243), and one end of the spring (245) is fixed to the side wall far away from one end of the connecting frame (214).
8. The bluetooth transmitted data detection device according to claim 7, wherein: the position, which is far away from the baffle strip (224) of the end plugging block (221) and is close to the middle part, is fixedly connected with a pulling column (226), the other end of the fiber rope (244) is fixed on the pulling column (226), and the upper end of the sealing cavity (213) is provided with a sealing cover (26).
9. The bluetooth transmitted data detection device according to claim 1, wherein: the end sealing block is characterized in that side protection strips (2211) are fixedly connected to two ends of one side of the end sealing block (221), an inclined groove (2212) is formed in one side of the end sealing block (221) and one side of the side protection strips (2211), an inserting strip (2213) is clamped in the inclined groove (2212), a plastic scraping strip (2214) made of rubber is fixedly connected to one side of the inserting strip (2213), and one side of the plastic scraping strip (2214) is in contact with the inner side wall of the filling cavity (212).
CN202110952538.2A 2021-08-19 2021-08-19 Data detection device for Bluetooth transmission Active CN113630709B (en)

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CN202110952538.2A CN113630709B (en) 2021-08-19 2021-08-19 Data detection device for Bluetooth transmission

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CN202110952538.2A CN113630709B (en) 2021-08-19 2021-08-19 Data detection device for Bluetooth transmission

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CN117544891B (en) * 2024-01-10 2024-03-22 深圳市星科启创新科技有限公司 Bluetooth headset multi-performance testing device

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