CN214851827U - Public address system who uses on equipment is led to class - Google Patents
Public address system who uses on equipment is led to class Download PDFInfo
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- CN214851827U CN214851827U CN202120724014.3U CN202120724014U CN214851827U CN 214851827 U CN214851827 U CN 214851827U CN 202120724014 U CN202120724014 U CN 202120724014U CN 214851827 U CN214851827 U CN 214851827U
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- microphone
- wireless signal
- receiving module
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- 238000004891 communication Methods 0.000 claims abstract description 10
- 230000008054 signal transmission Effects 0.000 claims description 6
- 235000021167 banquet Nutrition 0.000 claims 6
- 230000005236 sound signal Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000013468 resource allocation Methods 0.000 description 1
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Abstract
The utility model discloses a sound amplifying system used on a class and class communication device, which comprises a handheld microphone, a head-wearing microphone and a sound box, wherein the handheld microphone and the sound box are respectively and correspondingly provided with an infrared transmitting and receiving module and a wireless signal transmitting and receiving module; the infrared transmitting and receiving modules are paired one to one and connected with the handheld microphone and the sound box; the wireless signal transmitting and receiving modules carry out wireless communication, and after the infrared transmitting and receiving modules are paired one to one, voice signals input by the handheld or head-wearing microphone are transmitted to the sound box to be played. The utility model has the function of preferential connection, which not only ensures that the microphone and the sound box which are in use have stable connection relation, does not allow other sound signals with the same frequency and the sound signals of other microphones to be mixed in, but also ensures that any teacher can use the microphone which is exclusive to the individual when entering any class; not only avoids the interference of signals, but also meets the requirement of personal hygiene.
Description
Technical Field
The utility model relates to a teaching equipment technical field specifically is a public address system who uses on class leads to equipment.
Background
As one of the commonly used teaching devices, a class communicator device refers to a multimedia device in each class of a school. The device can be used for performing different levels of information communication, information resource acquisition and utilization and terminal information display with the outside, and generally comprises a blackboard, a projector, an electronic whiteboard (or a touch all-in-one machine), a real object exhibition stand and other devices.
In order to optimize educational resource allocation and facilitate teaching, in order to facilitate the convenience of each region in a classroom, even students in corners can clearly listen to the explanation of a teacher, more and more classrooms of schools are provided with sound boxes (sound amplification devices) and microphones, usually one classroom is provided with one microphone and a plurality of sound boxes, most of the sound boxes are fixed at the high position of the classroom and are not easy to lose, and the microphones have smaller volumes and are easy to lose, so that once being lost, the teaching effect can be influenced, and the public property loss of the schools can be caused. Therefore, the microphone is generally carried by teachers, is convenient to use and is prevented from being lost.
However, because the public facilities that belong to in classrooms such as audio amplifier and microphone, consequently in the certain limit, any microphone homoenergetic can be realized being connected with the audio amplifier, lead to when a teacher is connected with the audio amplifier in the classroom of locating through the microphone that it carried and speaks, the acoustic signal of other microphones of easily sneaking into, the interference has been caused, influence teaching effect, can cause this teacher's microphone to appear connecting the phenomenon of interrupt even, can't realize carrying out normal being connected with the audio amplifier, thereby the adverse effect has been caused to normal lecture.
Moreover, a set of sound boxes is provided with a wireless microphone, which is the standard of more and more class-communication equipment, but one wireless microphone is inevitably used by multiple people and becomes a public microphone, which is not favorable for personal hygiene, and particularly, the possibility of cross infection of teachers using the public microphone is very high since epidemic outbreak.
In addition, for the convenience of lectures, some electronic teaching aids are commonly used, for example, laser designators (electronic ferule), digital recorders, PPT page turners, countdown timers and the like, and for mutually independent products, the operation is very troublesome during the use simultaneously, and because these electronic teaching aids are small in size, the electronic teaching aids are also easy to lose.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defect and not enough that prior art exists, provide a public address system who uses on class leads to equipment, guarantee to have stable relation of connection between microphone and the audio amplifier being used, can not let the sound signal of other co-frequency sound signal and other microphones sneak into to have priority connection's function, in order to avoid disturbing, guarantee teaching effect and quality, be favorable to personal hygiene.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a public address system that uses on class leads to equipment, including hand-held microphone and the head-mounted microphone that is carried about by mr to and set up the audio amplifier in the classroom, its characterized in that: the handheld microphone is detachably and electrically connected with the head-mounted microphone, the handheld microphone is respectively provided with an infrared transmitting module and a wireless signal transmitting module, and the sound box is respectively provided with an infrared receiving module and a wireless signal receiving module; the infrared transmitting module and the infrared receiving module are paired in a one-to-one mode and are connected with the handheld microphone and the sound box; wireless signal emission module and wireless signal receiving module carry out radio communication infrared emission module and infrared receiving module carry out one-to-one and pair the back, will pass through the speech signal transmission of hand-held microphone or head-mounted microphone input extremely the audio amplifier is broadcast.
Furthermore, one side of hand-held type microphone is equipped with the microphone jack, it is connected with through the connecting wire to adopt the head-mounted type microphone can insert the microphone plug in the microphone jack.
Furthermore, a sound adjusting key is arranged on the front side panel of the handheld microphone.
Furthermore, a laser indicator, a digital recorder and a PPT page turner are respectively arranged in the hand-held microphone, and a countdown timer is arranged on the front panel of the hand-held microphone.
Furthermore, a laser indicator operating key, a digital recorder operating key, a PPT page turner operating key and a countdown timer setting key are respectively arranged on the front side panel of the handheld microphone.
Furthermore, the upper end of the hand-held microphone is fixedly connected with a hanging rope.
Furthermore, the wireless signal transmitting module adopts a 2.4G wireless signal transmitting module, and the wireless signal receiving module adopts a 2.4G wireless signal receiving module.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses set up handheld microphone, head-mounted microphone and audio amplifier, set up infrared emission module and wireless signal emission module on the handheld microphone used by the mr respectively, set up infrared receiving module and wireless signal receiving module on the audio amplifier that is equipped with in the classroom respectively, only carry out one to one at infrared emission module and infrared receiving module and pair the back, just can broadcast the speech signal transmission of through handheld microphone or head-mounted microphone input to the audio amplifier, and as long as this microphone does not close, other microphones all can not be connected with this audio amplifier, just so guaranteed to have stable relation of connection between microphone and the audio amplifier being used.
2. By adopting the utility model, the microphone carried by any teacher in a school can be used for lecturing at any class, which is convenient for teaching and beneficial to personal hygiene; moreover, the loudspeaker box is matched with the microphone by utilizing the infrared technology, so that other sound signals with the same frequency cannot be mixed in, the interference is avoided, and the teaching effect and the quality are ensured; simultaneously, even have a plurality of microphones to be opened simultaneously in same classroom, also can only be connected the use by the microphone (the microphone that is using) on the first branch connection, have the function of preferential connection, guaranteed like this when a mr is in the lecture, the sound signal of other microphones can't sneak into, has also avoided the interference equally, has guaranteed teaching effect and quality.
3. The hand-held microphone and the head-mounted microphone of the utility model adopt the matched microphone plug and the microphone jack to realize the detachable electric connection, when the head-mounted microphone is connected with the hand-held microphone, the hand-held microphone and the head-mounted microphone can be switched to transmit sound; when the head-wearing microphone is separated from the hand-held microphone, the hand-held microphone can be switched to transmit sound, and the sound can be selectively used according to the requirement; in addition, set up the sound regulation button on the front side board of hand-held type microphone, can adjust the power of sound according to actual need, it is very convenient to use.
4. The utility model discloses with the electronic teaching aid of current generally used, for example laser designator (electronic teacher's pointer), digital recorder, PPT page turner, countdown timer etc. integrate on same hand-held microphone to set up corresponding function button on the front side panel of hand-held microphone, made things convenient for use and operation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic block diagram of the wireless communication between the handheld microphone and the sound box of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 2, a public address system used on a class-communication device comprises a handheld microphone 1 and a head-mounted microphone 2 carried by a teacher, and a sound box 3 arranged in a classroom, wherein the handheld microphone 1 and the head-mounted microphone 2 are detachably and electrically connected, an infrared ray emitting module 4 and a wireless signal emitting module 5 are respectively arranged on the handheld microphone 1, and an infrared ray receiving module 6 and a wireless signal receiving module 7 are respectively arranged on the sound box 3; the infrared transmitting module 4 and the infrared receiving module 6 are paired one to connect the handheld microphone 1 and the sound box; wireless signal emission module 5 carries out radio communication with wireless signal receiving module 7, carries out one-to-one at infrared emission module 4 and infrared receiving module 6 and pairs the back, will broadcast to audio amplifier 3 through the speech signal transmission of hand-held microphone 1 or wear-type microphone 2 input.
The utility model discloses in, one side of hand-held microphone 1 is equipped with microphone jack 8, adopts head-mounted microphone 2 to be connected with the microphone plug 9 that can insert in microphone jack 8 through the connecting wire. Thereby, the detachable electrical connection of the handheld microphone 1 and the head-mounted microphone 2 is realized.
The utility model discloses in, be provided with sound control button 10 on the front side panel of hand-held microphone 1. Therefore, by operating the sound adjusting key 10, the intensity of the sound played by the sound box 3 can be adjusted.
The utility model discloses in, be provided with electronic teaching aids (not shown in the figure) such as laser designator, digital recorder and PPT page turner in the hand-held microphone 1 respectively, be provided with countdown timer 11 on the front side panel of hand-held microphone 1. Therefore, by arranging the countdown timer 11, a teacher can conveniently master the time of the lecture in time.
Correspondingly, a laser indicator operating key 12, a digital recorder operating key 13, a PPT page turner operating key 14 and a countdown timer setting key 15 are respectively arranged on the front panel of the hand-held microphone 1. From this, through setting up above-mentioned function button, can realize operating corresponding electronic teaching aid.
The utility model discloses in, the upper end fixedly connected with of hand-held microphone 1 hangs rope 16. Therefore, when in use, the hand-held microphone 1 can be worn in front of the chest, thereby being convenient for operation and not easy to fall off; when not in use, the utility model can be hung on the wall or the bracket, which is convenient for storage.
The utility model discloses in, wireless signal emission module 5 adopts 2.4G wireless signal emission module, and wireless signal receiving module 7 adopts 2.4G wireless signal receiving module. Therefore, one-to-one signal transmission can be realized, the stability and reliability of signal transmission are ensured, and the interference of other signals is avoided.
The invention is further described below with reference to the accompanying drawings:
when the portable microphone is used, a teacher wears the portable microphone 1 in a classroom, and after the portable microphone 1 is started, the infrared transmitting module 4 and the infrared receiving module 6 are paired one to one in the classroom range to connect the portable microphone 1 and the sound box 3; then, the wireless signal transmitting module 5 and the wireless signal receiving module 7 perform wireless communication, and transmit the voice signal input through the handheld microphone 1 to the sound box 3 for playing, so as to perform normal lectures.
When necessary, the microphone plug 9 is inserted into the microphone jack 8, the head microphone 2 is connected to the handheld microphone 1, the head microphone 2 is switched to transmit sound, and the voice signal input through the head microphone 2 is transmitted to the sound box 3 to be played in the same manner as the above process.
In the course of lecturing, a teacher operates each function key on the front panel of the handheld microphone 1 according to actual use requirements, and uses a corresponding electronic teaching aid integrated in the handheld microphone to assist lecturing; in addition, the teacher can also operate the sound adjusting button 10 on the front panel of the handheld microphone 1 to adjust the intensity of the sound played by the sound box 3.
After the lecture is finished, the teacher closes the handheld microphone 1 carried, the disconnection and the loudspeaker box 3 are paired, when the next teacher speaks, the handheld microphone carried is opened, the operation is carried out according to the mode, and the connection between the handheld microphone and the loudspeaker box can be realized.
The utility model discloses the audio amplifier that can realize different classrooms is connected with the handheld microphone that different mr carried for all mr of same school all can carry handheld microphone and head-mounted microphone and get into the classroom of arbitrary and give lectures, have both avoided the interference of signal, have satisfied mr's personal hygiene's demand again.
Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.
Therefore, the above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (7)
1. The utility model provides a public address system that uses on class leads to equipment, including hand-held microphone and the head-mounted microphone that is carried about by mr to and set up the audio amplifier in the classroom, its characterized in that: the handheld microphone is detachably and electrically connected with the head-mounted microphone, the handheld microphone is respectively provided with an infrared transmitting module and a wireless signal transmitting module, and the sound box is respectively provided with an infrared receiving module and a wireless signal receiving module; the infrared transmitting module and the infrared receiving module are paired in a one-to-one mode and are connected with the handheld microphone and the sound box; wireless signal emission module and wireless signal receiving module carry out radio communication infrared emission module and infrared receiving module carry out one-to-one and pair the back, will pass through the speech signal transmission of hand-held microphone or head-mounted microphone input extremely the audio amplifier is broadcast.
2. A public address system for use on a banquet device as claimed in claim 1 wherein: one side of hand-held microphone is equipped with the microphone jack, the head-mounted microphone is connected with through the connecting wire and can inserts the microphone plug in the microphone jack.
3. A public address system for use on a banquet device as claimed in claim 1 wherein: and a sound adjusting key is arranged on the front side panel of the handheld microphone.
4. A public address system for use on a banquet device as claimed in claim 1 wherein: the hand-held microphone is internally provided with a laser indicator, a digital recorder and a PPT page turner respectively, and a countdown timer is arranged on the front side panel of the hand-held microphone.
5. A public address system for use on a banquet unit as claimed in claim 4 wherein: the front side panel of the hand-held microphone is respectively provided with a laser indicator operating key, a digital recorder operating key, a PPT page turner operating key and a countdown timer setting key.
6. A public address system for use on a banquet device as claimed in claim 1 wherein: the upper end fixedly connected with of hand-held type microphone hangs the rope.
7. A public address system for use on a banquet device as claimed in claim 1 wherein: the wireless signal transmitting module adopts a 2.4G wireless signal transmitting module, and the wireless signal receiving module adopts a 2.4G wireless signal receiving module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120724014.3U CN214851827U (en) | 2021-04-09 | 2021-04-09 | Public address system who uses on equipment is led to class |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120724014.3U CN214851827U (en) | 2021-04-09 | 2021-04-09 | Public address system who uses on equipment is led to class |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214851827U true CN214851827U (en) | 2021-11-23 |
Family
ID=78762975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120724014.3U Expired - Fee Related CN214851827U (en) | 2021-04-09 | 2021-04-09 | Public address system who uses on equipment is led to class |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214851827U (en) |
-
2021
- 2021-04-09 CN CN202120724014.3U patent/CN214851827U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |