CN111417040A - Infrared microphone and signal transmission method thereof - Google Patents
Infrared microphone and signal transmission method thereof Download PDFInfo
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- CN111417040A CN111417040A CN202010133555.9A CN202010133555A CN111417040A CN 111417040 A CN111417040 A CN 111417040A CN 202010133555 A CN202010133555 A CN 202010133555A CN 111417040 A CN111417040 A CN 111417040A
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- 230000008054 signal transmission Effects 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000001179 sorption measurement Methods 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 11
- 230000001105 regulatory effect Effects 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 241000252254 Catostomidae Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 241001310793 Podium Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/72—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for local intradevice communication
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Abstract
The invention discloses an infrared microphone and a signal transmission method thereof, the infrared microphone comprises a bottom plate, an adsorption fixing mechanism, a plane angle adjusting mechanism and an inclination adjusting mechanism, wherein a supporting plate is arranged on the upper wall surface of the bottom plate, a frame plate is arranged at the upper end of the supporting plate, the adsorption fixing mechanism is arranged on the bottom surface of the bottom plate, the plane angle adjusting mechanism is arranged inside the frame plate, the inclination adjusting mechanism is arranged on the upper surface of the plane angle adjusting mechanism, and a Bluetooth receiver is arranged on the right side wall of the inclination adjusting mechanism.
Description
Technical Field
The invention relates to the technical field of voice teaching equipment, in particular to an infrared microphone and a signal transmission method thereof.
Background
In teacher's pronunciation teaching in-process, can both clearly give lessons in order to guarantee whole classroom classmates, often with the help of microphone and audio equipment, the teacher generally takes infrared microphone and removes at the podium, but because can let the clothes shelter from the infrared ray of microphone transmission when writing the blackboard, cause the infrared ray can not communicate and accept the audio amplifier to the infrared ray, bluetooth speaker's transmission distance is limited, the great space of unable adaptation use, the leading cause is clothes or other non-hard objects, can absorb or after the multiple reflection infrared ray, let infrared communication interrupt, among the prior art: the microphone can not put the angle reasonable regulation to bluetooth receiving equipment, cause bluetooth receiving equipment can not receive signal and not sheltered from and block guaranteeing the quality and quantity, the transmission quality of signal is not good, can't solve a single use pronunciation propagation mode and sheltered from the emergence of the limited condition to can not guarantee pronunciation lecture quality, intangible teacher's teaching use burden has been increased, consequently, the realization that can solve an infrared microphone of this type of problem is imperative.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the existing defects and provide an infrared microphone and a signal transmission method thereof, which are simple to operate, realize quick, stable and fixed, ensure the signal transmission quality, solve the problem that the situation that the voice transmission mode is singly used and is shielded and limited, ensure the voice lecture quality, reduce the teaching use burden of teachers and effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme that the infrared microphone comprises a bottom plate, an adsorption fixing mechanism, a plane angle adjusting mechanism and an inclination adjusting mechanism, wherein a supporting plate is arranged on the upper wall surface of the bottom plate, a frame plate is arranged at the upper end of the supporting plate, the adsorption fixing mechanism is arranged on the bottom surface of the bottom plate, the plane angle adjusting mechanism is arranged in the frame plate, the inclination adjusting mechanism is arranged on the upper surface of the plane angle adjusting mechanism, a Bluetooth receiver is arranged on the right side wall of the inclination adjusting mechanism, the infrared microphone further comprises a control box, a P L C controller, a signal converter, an infrared transmitter, a key-in panel, a microphone, a Bluetooth generator and an infrared sound box, the control box is arranged on the left side wall of the frame plate, the P L C controller, the signal converter and the infrared transmitter are respectively arranged in the control box, the Bluetooth generator is arranged at the bottom end of the microphone, the output end of the microphone is electrically connected with the Bluetooth generator, the Bluetooth receiver is electrically connected with the Bluetooth receiver, the infrared transmitter and the key-in panel are electrically connected with the P L C controller, the P L C controller is electrically connected with an infrared power supply, the adsorption fixing mechanism is electrically connected with an external power supply, the adsorption fixing mechanism is simple in operation, the adsorption fixing mechanism, the installation and the installation of the Bluetooth receiver can be convenient for maintaining and the use of the voice receiving device, the device.
Further, adsorb fixed establishment and include sucking disc, aspirator pump, four-way pipe, electromagnetism pneumatic valve and exhaust tube, the sucking disc symmetry sets up in the bottom surface mounting groove of bottom plate, and the aspirator pump sets up in the bottom surface middle part bar inslot of bottom plate, and the four-way pipe sets up in the intake pipe mouth department of aspirator pump, and the electromagnetism pneumatic valve is established ties in the gas tube body of four-way pipe, and two air inlets of four-way pipe all link to each other with the sucking disc gas outlet through the exhaust tube, and the exhaust tube all runs through the wall body of bottom plate, and P L C controller is connected to the equal electricity of aspirator pump and electromagnetism pneumatic valve, realizes that the absorption of quick firm exempts.
Further, plane angle adjustment mechanism includes flat bearing, disc, motor and rotation axis, flat bearing sets up on the last wall of deckle board, and the disc sets up in flat bearing's upper end, and the motor sets up in the inside of deckle board, and the rotation axis passes through the output shaft top fixed connection of shaft coupling with the motor, and the rotation axis passes through the roof rotation of bearing and deckle board to be connected, the top of rotation axis and the bottom surface center fixed connection of disc, and the P L C controller is connected to the motor electricity, realizes that bluetooth receiving equipment puts inclination and adjusts.
Further, the slope adjustment mechanism includes riser, electric putter, regulating plate, recess and swing plate, the riser sets up in the upper wall edge of disc, electric putter's stiff end sets up in the bottom installing port of riser, the rotatory piece on electric putter flexible end right side rotates through the pivot and the rotatory frame plate of regulating plate left side wall bottom to be connected, the recess sets up in the upper wall middle part of riser, the bar sliding tray of swing plate wall body and the inside traveller sliding connection of recess, the rotatory piece of swing plate right-hand member rotates through the pivot and the rotatory frame plate of regulating plate left wall upper end to be connected, be equipped with bluetooth receiver on the right wall of regulating plate, the electric putter electricity is connected P L C controller, realize that bluetooth receiving equipment puts inclination and adjusts.
Further, still including carrying the handle, carry and take the handle and set up in the upper surface middle part of infrared sound, carry and take the handle for folding carrying the handle, portable takes.
Furthermore, the supporting plate further comprises a reinforcing rib, wherein the reinforcing rib is arranged at the joint of the upper wall surface of the bottom plate and the left side wall of the supporting plate, and the bearing strength of the joint is enhanced.
Further, still include sealed ring circle and case lid, the front end of control box is open structure, and sealed ring circle sets up on the preceding wall of control box, and sets up with the front end opening of control box, and the case lid articulates in the antetheca left side of control box through the hinge, and sets up with the front end opening of control box, and the switching of being convenient for is maintained, guarantees the seal of junction.
A signal transmission method of an infrared microphone comprises the following steps:
s1, the teacher gives lessons by speaking through the microphone, and the voice is firstly transmitted to the Bluetooth receiver which is not blocked on the same side through the Bluetooth generator;
s2, the Bluetooth receiver converts the signal into a matched infrared signal through the signal converter, and then the matched infrared signal is transmitted through the infrared transmitter;
and S3, transmitting the infrared signal to the infrared sound box, and broadcasting through the infrared sound box.
Compared with the prior art, the invention has the beneficial effects that: this infrared ray microphone has following benefit:
1. the bottom surface of the bottom plate is attached to a mounting plane parallel to a classroom platform, an operation instruction is input through a key-in panel, the operation instruction is regulated and controlled through a P L C controller, an air suction pump operates, partial air in the symmetrically distributed suckers is respectively pumped out through a four-way pipe and an exhaust pipe, so that the suckers are moderately and firmly adsorbed on the mounting plane under the negative pressure condition, rapid and stable adsorption and hole-free fixation are realized, the installation and use are facilitated, the air suction pump stops operating after adsorption and fixation, if the position needs to be changed, only an electromagnetic air valve is electrified, an inflation pipeline of the four-way pipe is dredged, the inside of each sucker returns to the normal pressure.
2. Regulation and control through P L C controller, the motor operation, it is rotatory that the output shaft rotates the drive rotation axis, under planar bearing's effect, realize the angle modulation of disc and top structure, and then guarantee the regulation that the angle was put in the bluetooth receiver plane, electric putter extends, because the rotatory piece on electric putter flexible end right side rotates through the pivot and is connected with the rotatory frame plate of regulating plate left wall bottom, the bar sliding fit of pendulum plate wall body and the inside traveller sliding connection of recess, the rotatory piece of pendulum plate right-hand member rotates through the pivot and the rotatory frame plate of regulating plate left wall upper end and is connected, realize regulating plate and bluetooth receiver inclination's regulation and control, thereby put the angle modulation with bluetooth receiver more nimble rationally, bluetooth receiving arrangement can guarantee ground received signal and not sheltered from and block, signal transmission quality has been guaranteed.
3. The teacher gives lessons through the microphone speech, pronunciation convey to the bluetooth receiver that the homonymy is not sheltered from through bluetooth generator earlier, bluetooth receiver converts the infrared ray signal of signal through signal converter for the matching again, later the infrared ray signal of emitting the matching through infrared emitter, infrared ray signal transmits to the infrared sound in, through P L C controller integration analysis back, broadcast through the infrared sound, solve a single use pronunciation propagation mode and sheltered from the emergence of the limited condition, the quality of pronunciation lectures has been guaranteed, teacher's teaching use burden has been alleviateed.
Drawings
FIG. 1 is a schematic view of an infrared microphone according to the present invention;
FIG. 2 is a schematic sectional view of an absorption fixing mechanism of an infrared microphone according to the present invention;
fig. 3 is a schematic sectional view showing a tilt adjusting mechanism of an infrared microphone according to the present invention.
In the figure, a base plate 1, an adsorption fixing mechanism 2, a suction cup 21, an air suction pump 22, a four-way pipe 23, an electromagnetic air valve 24, an air suction pipe 25, a support plate 3, a frame plate 4, a plane angle adjusting mechanism 5, a plane bearing 51, a disc 52, a motor 53, a rotating shaft 54, an inclination adjusting mechanism 6, a vertical plate 61, an electric push rod 62, an adjusting plate 63, a groove 64, a swinging plate 65, a Bluetooth receiver 7, a control box 8, a controller 9P L C, a signal converter 10, an infrared emitter 11, a key-in panel 12, a microphone 13, a Bluetooth generator 14, an infrared sound 15, a carrying handle 16, a reinforcing rib 17, a sealing ring 18 and a box cover 19 are arranged.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides the following technical solutions:
in an embodiment, an infrared microphone comprises a bottom plate 1, an adsorption fixing mechanism 2, a plane angle adjusting mechanism 5 and an inclination adjusting mechanism 6, the bottom plate 1 provides a supporting and installation place, a supporting plate 3 is arranged on the upper wall surface of the bottom plate 1, the supporting plate 3 provides supporting and connection, a frame plate 4 is arranged at the upper end of the supporting plate 3 and provides an installation connection platform, the adsorption fixing mechanism 2 is arranged on the bottom surface of the bottom plate 1, the plane angle adjusting mechanism 5 is arranged inside the frame plate 4, the inclination adjusting mechanism 6 is arranged on the upper surface of the plane angle adjusting mechanism 5, a bluetooth receiver 7 is arranged on the right side wall of the inclination adjusting mechanism 6, the bluetooth receiver 7 receives bluetooth signals, the infrared microphone further comprises a control box 8, a P L C controller 9, a signal converter 10, an infrared emitter 11, a key-in panel 12, a microphone 13, a bluetooth generator 14 and an infrared speaker 15, the control box 8 is arranged on the left side wall of the frame plate 4, the P L C controller 9, the signal converter 10 and the infrared emitter 11 are respectively arranged inside the bluetooth controller 8, the bluetooth generator 14 is arranged at the bottom end of the bluetooth generator 13, the bluetooth generator is electrically connected with a power supply, the speaker 14 is electrically, the speaker 14 is electrically connected with the speaker 14, the speaker 14 is electrically, the speaker 14 is electrically connected with the speaker 14, the speaker is electrically, the speaker is connected with the speaker, the speaker 14, the speaker is electrically, the speaker 14, the speaker 14.
Wherein: still include to carry handle 16, carry handle 16 and set up in infrared sound 15's upper surface middle part, carry handle 16 and be folding and carry handle, be convenient for carry and carry infrared sound 15.
Wherein: still include strengthening rib 17, strengthening rib 17 sets up in the junction of bottom plate 1 upper wall and backup pad 3 left side wall, guarantees the bearing force of junction.
Wherein: still include sealed ring 18 and case lid 19, the front end of control box 8 is open structure, and sealed ring 18 sets up on the preceding wall of control box 8, and sets up with the front end opening of control box 8, and case lid 19 hinges in the antetheca left side of control box 8 through the hinge, and sets up with the front end opening of control box 8, and the switching of being convenient for is maintained interior device, guarantees the leakproofness of junction.
Example two:
the difference between this embodiment and the first embodiment is:
in this embodiment, adsorb fixed establishment 2 and include sucking disc 21, aspirator pump 22, four-way pipe 23, electromagnetism pneumatic valve 24 and exhaust tube 25, sucking disc 21 symmetry sets up in the bottom surface mounting groove of bottom plate 1, aspirator pump 22 sets up in the bottom surface middle part bar inslot of bottom plate 1, four-way pipe 23 sets up in aspirator pump 22's intake pipe department, electromagnetism pneumatic valve 24 establishes ties in four-way pipe 23's the gas tube internal, two air inlets of four-way pipe 23 all link to each other with sucking disc 21 gas outlet through exhaust tube 25, exhaust tube 25 all runs through the wall body of bottom plate 1, aspirator pump 22 and electromagnetism pneumatic valve 24 all electricity connect P L C controller 9.
Specifically, set up like this, through the regulation and control of P L C controller 9, aspirator pump 22 operates, through four-way pipe 23 and exhaust tube 25 respectively with the inside partial gas of suction cup 21 of symmetric distribution take out, thereby suction cup 21 moderate degree firm absorption is on the mounting surface under the negative pressure condition, it is fixed to realize quick firm absorption exempting from the hole, made things convenient for the installation to use, aspirator pump 22 stall after the absorption is fixed, if need change the position, only need electromagnetism pneumatic valve 24 circular telegram, the pipeline of inflating of four-way pipe 23 dredges, the inside normal pressure that resumes of suction cup 21 and the separation installation face, the convenient maintenance of dismantling.
Example three:
the difference between this embodiment and the first embodiment is:
in this embodiment, the planar angle adjusting mechanism 5 includes a planar bearing 51, a disc 52, a motor 53 and a rotating shaft 54, the planar bearing 51 is disposed on the upper wall surface of the frame plate 4, the disc 52 is disposed on the upper end of the planar bearing 51, the motor 53 is disposed inside the frame plate 4, the rotating shaft 54 is fixedly connected to the top of the output shaft of the motor 53 through a coupling, the rotating shaft 54 is rotatably connected to the top wall of the frame plate 4 through a bearing, the top end of the rotating shaft 54 is fixedly connected to the center of the bottom surface of the disc 52, the tilt adjusting mechanism 6 includes a vertical plate 61, an electric push rod 62, an adjusting plate 63, a groove 64 and a swing plate 65, the vertical plate 61 is disposed on the edge of the upper wall of the disc 52, the fixed end of the electric push rod 62 is disposed in the bottom mounting hole of the vertical plate 61, a rotating block on the right side of the telescopic end of the electric push rod 62 is rotatably connected to the rotating frame plate at the bottom end of the left wall of the adjusting plate 63 through a rotating shaft, the groove 64 is disposed in the middle of the upper wall of the vertical plate 61, a bar-shaped sliding hole of the swing plate 65 is slidably connected.
Specifically, it is so arranged that, when the motor 53 is operated, the rotation of the output shaft rotates the rotary shaft 54, under the action of the plane bearing 51, the angle adjustment of the disc 52 and the upper structure is realized, so as to ensure the adjustment of the plane arrangement angle of the Bluetooth receiver 7, the electric push rod 62 extends, because the rotating block at the right side of the telescopic end of the electric push rod 62 is rotationally connected with the rotating frame plate at the bottom end of the left wall of the adjusting plate 63 through the rotating shaft, the strip-shaped sliding opening of the wall body of the swinging plate 65 is slidably connected with the sliding column in the groove 64, the rotating block at the right end of the swinging plate 65 is rotationally connected with the rotating frame plate at the upper end of the left wall of the adjusting plate 63 through the rotating shaft, the regulation and control of the inclination angles of the adjusting plate 63 and, therefore, the angle of the Bluetooth receiver 7 can be adjusted flexibly and reasonably, the Bluetooth receiving equipment can receive signals with guaranteed quality and quantity without being blocked, and the signal transmission quality is guaranteed.
When the Bluetooth teaching device is used, the bottom surface of the bottom plate 1 is attached to an installation plane parallel to a classroom platform, an operation instruction is input through a key input panel 12 and is regulated and controlled by a P L C controller 9, the air suction pump 22 operates, partial air in the symmetrically distributed suction cups 21 is respectively extracted through the four-way pipe 23 and the exhaust pipe 25, so that the suction cups 21 are moderately and firmly adsorbed on the installation plane under the condition of negative pressure, rapid and stable adsorption hole-free fixation is realized, the installation and use are convenient, the air suction pump 22 stops operating after adsorption fixation, if the position needs to be changed, only the electromagnetic air valve 24 is powered on, the air inflation pipeline of the four-way pipe 23 is dredged, the inside of the suction cups 21 is recovered to normal pressure and is separated from the installation surface, disassembly and maintenance are convenient, the motor 53 operates, the output shaft rotates to drive the rotating shaft 54 to rotate, under the action of the plane bearing 51, the angle adjustment of the structure of the disc 52 and the structure above is realized, further, the adjustment of the plane arrangement angle of the Bluetooth receiver 7 is ensured, the electric push rod 62 extends, as the rotating block of the rotating block on the right side of the telescopic end of the electric push rod 62 is rotatably connected with the rotating frame plate 63 of the left wall of the adjusting plate 63, the left wall of the adjusting plate is ensured, the Bluetooth receiver is matched with the rotating plate, the voice receiver is ensured that the voice receiver is matched with the voice receiver, the voice.
A signal transmission method of an infrared microphone according to any one of the first to third embodiments includes the steps of:
s1, the teacher gives lessons by speaking through the microphone, and the voice is firstly transmitted to the Bluetooth receiver 7 which is not blocked on the same side through the Bluetooth generator 14;
s2, the Bluetooth receiver 7 converts the signal into a matched infrared signal through the signal converter 10, and then the matched infrared signal is transmitted through the infrared transmitter 11;
s3, the infrared signal is transmitted to the infrared speaker 15, and is emitted through the infrared speaker 15.
It should be noted that the specific model of the P L C controller 9 disclosed in this embodiment is siemens S7-200, the P L C controller 9 controls the operation of the getter pump 22, the electromagnetic air valve 24, the motor 53 and the electric push rod 62 by methods commonly used in the prior art, and the signal converter 10, the infrared emitter 11, the key-in panel 12, the microphone 13, the bluetooth generator 14, the infrared speaker 15, the getter pump 22, the electromagnetic air valve 24, the motor 53 and the electric push rod 62 are all elements commonly used in public address teaching equipment in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an infrared microphone, its characterized in that includes bottom plate (1), adsorbs fixed establishment (2), plane angle adjustment mechanism (5) and slope adjustment mechanism (6), the last wall of bottom plate (1) is equipped with backup pad (3), and the upper end of backup pad (3) is equipped with framed panel (4), adsorb fixed establishment (2) and set up in the bottom surface of bottom plate (1), plane angle adjustment mechanism (5) set up in the inside of framed panel (4), slope adjustment mechanism (6) set up in the upper surface of plane angle adjustment mechanism (5), are equipped with bluetooth receiver (7) on the right side wall of slope adjustment mechanism (6), still include control box (8), P L C controller (9), signal converter (10), infrared emitter (11), key panel (12), microphone (13), bluetooth generator (14) and infrared sound (15), control box (8) set up on the left side wall of framed panel (4), P L C controller (9), signal converter (10) and infrared emitter (11) set up respectively in control box's (8) inside power supply electrical connector (14), bluetooth generator (14) electrical connector (11) and infrared receiver (11) electrical connector (11), bluetooth receiver (11) set up in control box (11) and infrared emitter electrical connector (11), and bluetooth receiver (11) electrical connector (11), and infrared receiver (11) set up in control box (11) electrical connector (11) and bluetooth receiver (11) electrical connector (11), and bluetooth receiver (7), and bluetooth receiver electrical connector (11) electrical connector (7), and bluetooth receiver (7) set up in control box (11.
2. The infrared microphone according to claim 1, wherein the adsorption fixing mechanism (2) comprises a suction cup (21), a suction pump (22), a four-way pipe (23), an electromagnetic air valve (24) and an air exhaust pipe (25), the suction cup (21) is symmetrically arranged in a bottom surface mounting groove of the bottom plate (1), the suction pump (22) is arranged in a strip-shaped groove in the middle of the bottom surface of the bottom plate (1), the four-way pipe (23) is arranged at an air inlet of the suction pump (22), the electromagnetic air valve (24) is connected in series in an air inflation pipe of the four-way pipe (23), two air inlets of the four-way pipe (23) are connected with an air outlet of the suction cup (21) through the air exhaust pipe (25), the air exhaust pipe (25) penetrates through a wall body of the bottom plate (1), and the suction pump (22) and the electromagnetic air valve (24) are electrically connected with a P L.
3. The infrared microphone according to claim 1, wherein the planar angle adjusting mechanism (5) comprises a planar bearing (51), a disc (52), a motor (53) and a rotating shaft (54), the planar bearing (51) is disposed on the upper wall surface of the frame plate (4), the disc (52) is disposed at the upper end of the planar bearing (51), the motor (53) is disposed inside the frame plate (4), the rotating shaft (54) is fixedly connected to the top of the output shaft of the motor (53) through a coupling, the rotating shaft (54) is rotatably connected to the top wall of the frame plate (4) through a bearing, the top end of the rotating shaft (54) is fixedly connected to the center of the bottom surface of the disc (52), and the motor (53) is electrically connected to the P L C controller (9).
4. The infrared microphone according to claim 3, wherein the tilt adjusting mechanism (6) comprises a vertical plate (61), an electric push rod (62), an adjusting plate (63), a groove (64) and a swinging plate (65), the vertical plate (61) is arranged at the edge of the upper wall of the disc (52), the fixed end of the electric push rod (62) is arranged in the bottom mounting port of the vertical plate (61), a rotating block at the right side of the telescopic end of the electric push rod (62) is rotatably connected with a rotating frame plate at the bottom end of the left wall of the adjusting plate (63) through a rotating shaft, the groove (64) is arranged in the middle of the upper wall of the vertical plate (61), a strip-shaped sliding port of the wall body of the swinging plate (65) is slidably connected with a sliding column inside the groove (64), the rotating block at the right end of the swinging plate (65) is rotatably connected with the rotating frame plate at the upper end of the left wall of the adjusting plate (63) through a rotating shaft, a Bluetooth receiver (7) is arranged on.
5. An infrared microphone according to claim 1, characterized in that: the infrared speaker is characterized by further comprising a lifting handle (16), wherein the lifting handle (16) is arranged in the middle of the upper surface of the infrared speaker (15), and the lifting handle (16) is a folding lifting handle.
6. An infrared microphone according to claim 1, characterized in that: the support plate is characterized by further comprising a reinforcing rib (17), wherein the reinforcing rib (17) is arranged at the joint of the upper wall surface of the base plate (1) and the left side wall of the support plate (3).
7. An infrared microphone according to claim 1, characterized in that: still include sealed ring (18) and case lid (19), the front end of control box (8) is open structure, and sealed ring (18) set up on the preceding wall of control box (8), and correspond the setting with the front end opening position of control box (8), and case lid (19) pass through the hinge and articulate in the antetheca left side of control box (8), and correspond the setting with the front end opening position of control box (8).
8. A signal transmission method of an infrared microphone as claimed in any one of claims 1 to 7, characterized by comprising the steps of:
s1, speaking and teaching through a microphone, wherein voice is transmitted to a Bluetooth receiver (7) which is not shielded on the same side through a Bluetooth generator (14);
s2, the Bluetooth receiver (7) converts the signal into a matched infrared signal through the signal converter (10), and then the matched infrared signal is transmitted through the infrared transmitter (11);
s3, the infrared signal is transmitted to the infrared sound (15) and is played through the infrared sound (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010133555.9A CN111417040A (en) | 2020-02-28 | 2020-02-28 | Infrared microphone and signal transmission method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010133555.9A CN111417040A (en) | 2020-02-28 | 2020-02-28 | Infrared microphone and signal transmission method thereof |
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| Publication Number | Publication Date |
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| CN111417040A true CN111417040A (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010133555.9A Pending CN111417040A (en) | 2020-02-28 | 2020-02-28 | Infrared microphone and signal transmission method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1774146A (en) * | 2004-11-29 | 2006-05-17 | 孔德伟 | Portable radio loudspeaker |
| CN102820520A (en) * | 2011-06-07 | 2012-12-12 | 全富电子股份有限公司 | Antenna of wireless microphone receiver and transmitter and receiver and transmitter with same |
| CN103684589A (en) * | 2013-12-11 | 2014-03-26 | 中山市装备制造业科技研究中心 | Audio transmission conversion method and device |
| CN206097856U (en) * | 2016-10-19 | 2017-04-12 | 姚学峰 | Multimedia devices for exhibitions |
-
2020
- 2020-02-28 CN CN202010133555.9A patent/CN111417040A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1774146A (en) * | 2004-11-29 | 2006-05-17 | 孔德伟 | Portable radio loudspeaker |
| CN102820520A (en) * | 2011-06-07 | 2012-12-12 | 全富电子股份有限公司 | Antenna of wireless microphone receiver and transmitter and receiver and transmitter with same |
| CN103684589A (en) * | 2013-12-11 | 2014-03-26 | 中山市装备制造业科技研究中心 | Audio transmission conversion method and device |
| CN206097856U (en) * | 2016-10-19 | 2017-04-12 | 姚学峰 | Multimedia devices for exhibitions |
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Application publication date: 20200714 |
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| RJ01 | Rejection of invention patent application after publication |