CN220383188U - Recording and broadcasting host and sound amplifying system - Google Patents

Abstract

The application discloses record broadcast host computer and sound amplification system includes: the photovoltaic panel is arranged on the host shell; the storage battery is connected with the photovoltaic panel and is used for supplementing energy to the storage battery through the photovoltaic panel; the wireless receiving unit is connected with the storage battery and supplies power to the wireless receiving unit through the storage battery, so that the wireless receiving unit can establish radio connection with a microphone; the audio output unit is connected with the storage battery, the wireless receiving unit and the sound equipment, and is powered by the storage battery, so that the audio output unit can forward the audio signals received from the wireless receiving unit to the sound equipment. When the sound amplifying function is independently used, the recording and broadcasting host is not required to be started, so that excessive electric energy loss caused by the operation of the recording and broadcasting host can be avoided; and the photovoltaic panel converts light energy into electric energy to be a storage battery, so that the photovoltaic panel has the advantages of zero pollution and zero emission, and is more in accordance with the concept of energy conservation and emission reduction.

Description

Recording and broadcasting host and sound amplifying system

Technical Field

The application relates to the technical field of sound amplification, in particular to a recording and broadcasting host and a sound amplification system.

Background

Along with the development of network technology, online education is more and more promoted by people, and more schools attach importance to the establishment of a book resource library, so that a recording and broadcasting class room needs to be built in the school, and teachers can record demonstration courses in the recording and broadcasting class room for sharing and exchanging high-quality teaching and research resources.

The recording and broadcasting classroom is provided with a recording and broadcasting host, a microphone, a camera, a television, a sound and other devices, and the recording and broadcasting host is used as a central control device to control the cooperative work among the microphone, the camera, the television, the sound and other devices. In order to meet the requirement of on-site teaching, when the recording and broadcasting function is not used, the television and the audio can be used independently, so that the existing television, audio and recording and broadcasting host are used for supplying power independently, and the television and the audio can play video and audio contents independently. However, because the setting of microphone is required for recording and broadcasting the classroom to gather sound, so integrate the wireless module that can with microphone wireless connection in the current host computer that records and broadcast, during operation, the microphone will gather the sound signal wireless transmission and give wireless module, record and broadcast host computer rethread active line will sound signal transmission and give the stereo set and expand sound, namely when the teacher only need use microphone and stereo set to expand sound, and need not use record and broadcast the function, also need open simultaneously to record and broadcast the host computer, will give the stereo set with audio signal transmission through record and broadcast the host computer, obviously, record and broadcast the start-up of host computer will cause too much electric energy loss, do not accord with energy saving and emission reduction's theory.

Disclosure of Invention

The aim of the embodiment of the utility model is that: a recording and broadcasting host and an audio amplifying system are provided, which can solve the above problems in the prior art.

In order to achieve the above purpose, the present application adopts the following technical scheme:

in one aspect, a recording and playing host is provided, including:

the photovoltaic panel is arranged on the host shell;

the storage battery is connected with the photovoltaic panel and is used for supplementing energy to the storage battery through the photovoltaic panel;

the wireless receiving unit is connected with the storage battery and supplies power to the wireless receiving unit through the storage battery, so that the wireless receiving unit can establish radio connection with a microphone;

the audio output unit is connected with the storage battery, the wireless receiving unit and the sound equipment, and is powered by the storage battery, so that the audio output unit can forward the audio signals received from the wireless receiving unit to the sound equipment.

Optionally, a wire baffle is disposed on the top side of the host casing, and the photovoltaic panel includes a first photovoltaic panel attached to the wire baffle.

Optionally, the wire blocking plate includes a fixing portion, a front blocking portion and an upper blocking portion connected in sequence, the fixing portion is fixed on the back surface of the host casing, the upper blocking portion extends upwards from the upper edge of the host casing, and the upper blocking portion extends backwards relative to the upper blocking portion; the first photovoltaic plate covers the front baffle part and the upper baffle part.

Optionally, a plurality of wiring ports are arranged at the top of the host shell, each wiring port comprises a charging interface connected with the storage battery, the first photovoltaic plate is connected with a first charging wire, and the first charging wire is in plug connection with the charging interface.

Optionally, the photovoltaic panel further comprises a second photovoltaic panel attached to a side wall of the host housing.

Optionally, a wire passing hole corresponding to the mounting position of the second photovoltaic plate is formed in the side wall of the host casing, the second photovoltaic plate is connected with a second charging wire, and the second charging wire extends to the inside of the host casing through the wire passing hole and is connected with the storage battery.

Optionally, a main circuit board is disposed inside the host casing, and the storage battery, the wireless receiving unit and the audio output unit are all disposed on the main circuit board, and through bonding with the main circuit board, the electrical connection of the storage battery, the wireless receiving unit and the audio output unit is realized.

Optionally, a charging pad for bonding with the photovoltaic panel is disposed on the main circuit board, and a charging wire connected with the photovoltaic panel is bonded with the charging pad, so as to realize electrical connection between the photovoltaic panel and the storage battery.

Optionally, the system further comprises a prompter electrically connected with the storage battery, wherein the prompter is used for feeding back the electric quantity condition of the storage battery.

Optionally, the system further comprises a main power supply unit connected with a main circuit of the recording and broadcasting host, wherein the main power supply unit can be connected with a mains supply to maintain the starting-up operation of the recording and broadcasting host.

On the other hand, an audio amplifying system is provided, which comprises a microphone, a sound and the recording and broadcasting host, wherein the microphone is in radio connection with a wireless receiving unit in the recording and broadcasting host, and the sound is in wired electric connection with an audio output unit in the recording and broadcasting host.

The beneficial effects of this application are: the utility model provides a recording and broadcasting host and an audio amplifying system, wherein the recording and broadcasting host is provided with a photovoltaic plate and a storage battery, the storage battery can supplement energy for the storage battery through the photovoltaic plate, the storage battery can supply power for a wireless receiving unit and an audio output unit in the recording and broadcasting host, when the audio amplifying function is required to be independently used, the recording and broadcasting host is not required to be started, the wireless receiving unit and the audio output unit can be maintained to operate by directly utilizing the power supply of the storage battery, so that sound collected by a microphone can be transmitted to the wireless receiving unit in a wireless mode, the wireless receiving unit can transmit received sound signals to the audio output unit, and the audio output unit transmits the sound signals to sound equipment to realize the audio amplifying function. In the scheme, when the sound amplifying function is independently used, the recording and broadcasting host is not required to be started, so that excessive electric energy loss caused by the operation of the recording and broadcasting host can be avoided; and the photovoltaic panel converts light energy into electric energy to be a storage battery, so that the photovoltaic panel has the advantages of zero pollution and zero emission, and is more in accordance with the concept of energy conservation and emission reduction.

Drawings

The present application is described in further detail below with reference to the drawings and examples.

Fig. 1 is a schematic front view of a recording and playing host according to an embodiment of the present application;

fig. 2 is a schematic diagram of a back structure of a recording and playing host according to an embodiment of the present application;

FIG. 3 is one of the explosion diagrams of the recording and playing host according to the embodiment of the present application;

FIG. 4 is a second exploded view of the recording and broadcasting host according to the embodiment of the present application;

FIG. 5 is a third exploded view of the recording and playing host according to the embodiment of the present application;

fig. 6 is a schematic structural diagram of a connection between a photovoltaic panel and a main circuit board according to an embodiment of the present application.

In the figure:

1. a photovoltaic panel; 11. a first photovoltaic panel; 111. a first charging wire; 12. a second photovoltaic panel; 121. a second charging wire; 2. a host housing; 21. a rear case; 211. a wire through hole; 22. a middle frame; 3. a screen; 4. a wire baffle plate; 41. a fixing part; 42. a front blocking part; 43. an upper blocking part; 5. a main circuit board; 51. a wiring port; 511. and a charging interface.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present application more clear, the technical solutions of the embodiments of the present application are described in further detail below, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

In the description of the present application, unless explicitly stated and limited otherwise, the terms "connected," "secured" and "fixed" are to be construed broadly, as for example, they may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the existing recording and broadcasting class room, because the setting of the microphone is required for the recording and broadcasting class room to collect sound, a wireless module which can be connected with the microphone in a wireless way is integrated in the existing recording and broadcasting host computer, when the wireless module works, the microphone transmits the collected sound signals to the wireless module in a wireless way, and the recording and broadcasting host computer transmits the sound signals to the sound equipment through the active wire to expand sound, namely, when a teacher only needs to use the microphone and the sound equipment to expand sound, but does not need to use the recording and broadcasting function, the recording and broadcasting host computer is also required to be opened at the same time, and the audio signals are transmitted to the sound equipment through the recording and broadcasting host computer, obviously, the starting of the recording and broadcasting host computer can cause excessive electric energy loss, and does not accord with the concept of energy conservation and emission reduction.

In order to overcome the technical problems above, this embodiment provides a recording and broadcasting host, set up the battery that can be alone for wireless receiving unit and audio output unit power supply in recording and broadcasting host, when only need use the sound expansion function, can open the stereo set alone, utilize battery power supply to start wireless receiving unit and audio output unit simultaneously, after the wireless signal that the microphone sent is received by wireless receiving unit, send to the stereo set through audio output unit, realize the sound expansion function, this in-process need not to start the recording and broadcasting host, so reducible consumption.

As shown in fig. 1 to 6, the specific structure of the recording and playing host in this embodiment includes:

the photovoltaic panel 1 is arranged on the host shell 2;

the storage battery is connected with the photovoltaic panel 1, and the storage battery is supplied with energy through the photovoltaic panel 1;

the wireless receiving unit is connected with the storage battery and supplies power to the wireless receiving unit through the storage battery, so that the wireless receiving unit can establish radio connection with a microphone;

the audio output unit is connected with the storage battery, the wireless receiving unit and the sound equipment, and is powered by the storage battery, so that the audio output unit can forward the audio signals received from the wireless receiving unit to the sound equipment.

Referring to fig. 5, in the main structure of the recording and playing host, the recording and playing host comprises a host shell 2 and a screen 3, wherein the host shell 2 comprises a rear shell 21 and a middle frame 22, the screen 3 and the rear shell 21 are respectively arranged on the front side and the rear side of the middle frame 22, the screen 3 can provide display pictures, and various electric control devices for realizing the use function of the recording and playing host can be accommodated in a space formed between the host shell 2 and the screen 3.

It should be noted that in the practical application scenario, the recording and broadcasting host and the sound are independently powered, that is, the sound can be independently started under the condition that the recording and broadcasting host is not started, and the wireless microphone is internally provided with a mobile power supply, so that the storage battery does not need to supply power to equipment such as the sound, the wireless microphone and the like, and when the sound amplifying function is used, the sound and the microphone can be independently started.

The scheme sets up photovoltaic board 1 on host computer shell 2, and it does not constitute the shielding to screen 3, so does not influence the service function of screen. In the scheme, the storage battery only needs to supply power to the wireless receiving unit and the audio output unit, and the wireless receiving unit and the audio output unit are low-power-consumption devices, so that the required capacity of the storage battery is not large; the sound expansion function is not a long-time continuous use function, and based on the electric storage function of the storage battery, when the sound expansion function is not used alone or the recording and broadcasting host is started, the electric energy converted by the photovoltaic panel 1 can be stored in the storage battery for being required by the single use of the sound expansion function, so that the electric quantity converted by the light energy provided by natural light rays in a class room, fluorescent light rays and the like is sufficient for driving the wireless receiving unit and the audio output unit.

When the audio signal is transmitted to the audio output unit, the audio output unit transmits the audio signal to the sound box. The utility model aims to set a storage battery to independently supply power to a wireless receiving unit and an audio output unit, and the setting and the connection establishment of devices such as the wireless receiving unit and the audio output unit can be realized by combining the prior art.

In summary, in the recording and broadcasting host of this embodiment, be provided with photovoltaic board 1 and battery, can supply energy for the battery through photovoltaic board 1, the battery can be for wireless receiving unit and audio output unit power supply in the recording and broadcasting host, when needs use the function of expanding sound alone, need not to start the host of broadcasting with the recording, the operation of wireless receiving unit and audio output unit can be kept to the power supply that directly utilizes the battery for the sound that the microphone gathered can wireless transmission give wireless receiving unit, wireless receiving unit can give audio output unit with the sound signal transmission who receives, audio output unit gives the stereo set with the sound signal transmission, realize expanding the sound function. In the scheme, when the sound amplifying function is independently used, the recording and broadcasting host is not required to be started, so that excessive electric energy loss caused by the operation of the recording and broadcasting host can be avoided; and the photovoltaic panel 1 converts light energy into electric energy to be used as a storage battery, so that the energy-saving and emission-reducing photovoltaic panel has the advantages of zero pollution and zero emission, and is more in accordance with the concept of energy conservation and emission reduction.

In addition, this scheme improves based on current record broadcasting host computer, the connection between record broadcasting host computer and the microphone remains original mode unchanged, the connection between record broadcasting host computer and the stereo set also can remain original mode unchanged, i.e. stereo set, microphone equipment all need not change, directly adopt current equipment alright realize, in other words, when need realize the purpose that carries out the sound expansion under the not condition of starting of record broadcasting host computer that keeps of this embodiment, only need adopt record broadcasting host computer that this embodiment provided alright, stereo set and microphone all can remain original selection, i.e. the user can purchase record broadcasting host computer, stereo set and microphone combination use respectively from different producer when purchasing equipment.

In an embodiment, referring to fig. 1-2, the top side of the host housing 2 is provided with a wire baffle 4, and the photovoltaic panel 1 includes a first photovoltaic panel 11 attached to the wire baffle 4.

Because the recording and broadcasting host computer needs to be matched with a plurality of external devices when in use, a plurality of wiring ports 51 are arranged on the top side of the host computer shell 2, and a wire baffle 4 is arranged on the top side of the host computer shell 2 so as to prevent the line on the back from influencing the look and feel of the front of the recording and broadcasting host computer, and the wire baffle 4 extends upwards relative to the host computer shell 2, thereby shielding the line on the back and achieving the effect of optimizing the look and feel of the front of the recording and broadcasting host computer. Based on the line baffle 4, this scheme has set up first photovoltaic plate 11 above that, both can make first photovoltaic plate 11 to the sun setting, need not to set up bearing structure for first photovoltaic plate 11 alone again, so this scheme adopts simple and easy structure to set up first photovoltaic plate 11, can guarantee again that first photovoltaic plate 11 can fully receive light, obtains better conversion electric energy.

The first photovoltaic panel 11 needs to be disposed on the sunny side of the wire baffle 4, i.e., the side of the wire baffle 4 facing away from the wire connection opening 51, so that the first photovoltaic panel 11 can receive more light energy.

In one embodiment, the wire blocking plate 4 includes a fixing portion 41, a front blocking portion 42 and an upper blocking portion 43 connected in sequence, the fixing portion 41 is fixed on the back surface of the main machine housing 2, the upper blocking portion 43 extends upward from the upper edge of the main machine housing 2, and the upper blocking portion 43 extends rearward relative to the upper blocking portion 43; the first photovoltaic module 11 covers the front stopper 42 and the upper stopper 43.

The front side of the front baffle part 42 and the upper side of the upper baffle part 43 are sunward surfaces, and the first photovoltaic panel 11 in the scheme covers the front baffle part 42 and the upper baffle part 43, so that the space on the baffle line plate 4 can be fully utilized, and the first photovoltaic panel 11 with a larger area is arranged, and a larger light receiving area is obtained.

Since the front blocking portion 42 and the upper blocking portion 43 are relatively bent, the first photovoltaic panel 11 is preferably a flexible photovoltaic panel in order to facilitate the first photovoltaic panel 11 to simultaneously attach the front blocking portion 42 and the upper blocking portion 43.

Zxfoom 11 the amount of light irradiated on the area of the portion 42, over the area of the portion 42 the amount of light to be irradiated is, so that the first photovoltaic panel 11 thereon can also be arranged obliquely, to receive more light from top to bottom.

In an embodiment, a plurality of connection ports 51 are provided at the top of the host housing 2, the connection ports 51 include a charging interface 511 connected to the storage battery, the first photovoltaic panel 11 is connected with a first charging wire 111, and the first charging wire 111 is in plug connection with the charging interface 511.

Zxfoom 4 2 , zxfoom 4 2 , the wire baffle 4 is generally last assembled to the main body housing 2, when the wire baffle 4 is fixed on the host shell 2, the first charging wire 111 connected with the first photovoltaic panel 11 can be directly plugged into the charging interface 511, the connection of the first photovoltaic panel 11 to the battery can be achieved. That is, the structure can follow the original production sequence of the product, and the production line and the production efficiency are not affected.

Because the first photovoltaic panel 11 and the charging interface 511 are respectively located on two opposite sides of the wire baffle 4, in order to facilitate the wiring of the first charging wire 111, a threading hole is provided on the wire baffle 4, and the first charging wire 111 can pass through the threading hole to achieve the plug-in connection with the charging interface 511.

In one embodiment, the photovoltaic panel 1 further comprises a second photovoltaic panel 12, and the second photovoltaic panel 12 is attached to a side wall of the main housing 2.

Specifically, the second photovoltaic panel 12 is attached to one side or both sides of the main housing 2, so as to receive oblique light from the side of the main housing 2, and increase the amount of converted electric energy.

In one embodiment, the side wall of the host casing 2 is provided with a via hole 211 corresponding to the installation position of the second photovoltaic panel 12, the second photovoltaic panel 12 is connected with a second charging wire 121, and the second charging wire 121 extends into the host casing 2 through the via hole 211 and is connected with the storage battery.

Zxfoom , 12 2 , at the time of assembly of the product, in the product in the course of the assembly process, the second charging wire 121 is then connected to the secondary battery, and finally the main housing 1 is combined with the screen 3, the process is also carried out according to the original production sequence, and the production flow and the production efficiency are not affected.

Zxfoom , 6, zxfoom 2 5, zxfoom 2 a main circuit board 5 is provided and, by bonding with the main circuit board 5, and the storage battery, the wireless receiving unit and the audio output unit are electrically connected.

Specifically, the main circuit board 5 is provided with lines, and after each device is bonded with the corresponding line on the main circuit board 5, the electrical connection between the corresponding devices can be realized. The mode combines the devices on the main circuit board, so that the arrangement of wires inside the host can be simplified, and the inside of the host is simple and reliable.

In an embodiment, a charging pad for bonding with the photovoltaic panel 1 is disposed on the main circuit board 5, and a charging wire connected with the photovoltaic panel 1 is bonded with the charging pad, so as to electrically connect the photovoltaic panel 1 with the storage battery.

Specifically, on the main circuit board 5, charging pads are respectively arranged at positions, close to the photovoltaic boards 1, of each charging wire are welded with the corresponding charging pad nearby, and the wires are conducted by utilizing the wires laid on the main circuit board 5, so that wires can be greatly saved, and meanwhile, the arrangement of the wires inside the host is simplified, so that the inside of the host is concise and reliable.

In an embodiment, the recording and broadcasting host further includes a prompter electrically connected to the storage battery, where the prompter is used for feeding back the electric quantity condition of the storage battery.

Specifically, the prompter can be an audio prompter, an optical prompter or an acousto-optic prompter, and is directly powered by the storage battery, when the electric quantity of the storage battery is lower than a prompting threshold value, the prompter can send out audio and/or optical prompts to remind a user that the electric quantity of the storage battery is too low, and the audio amplifying function cannot be independently used.

Optionally, the system further comprises a main power supply unit connected with a main circuit of the recording and broadcasting host, wherein the main power supply unit can be connected with a mains supply to maintain the starting-up operation of the recording and broadcasting host.

Specifically, the main power supply circuit and the storage battery power supply circuit of the scheme are two independent power supply systems, when the recording and broadcasting host machine is started to operate, the main power supply circuit is required to be connected to the mains supply, and the main power supply circuit can also supply power for the wireless receiving unit and the audio output unit after connection, so that the storage battery can not transmit power outwards after the host machine is started; when the sound amplifying function is independently used, the main power supply circuit is disconnected from the mains supply, and the storage battery can be independently used for supplying power to the wireless receiving unit and the audio output unit.

On the other hand, the embodiment also provides an audio amplifying system, which comprises a microphone, a sound and the recording and broadcasting host, wherein the microphone is in radio connection with a wireless receiving unit in the recording and broadcasting host, and the sound is in wired electric connection with an audio output unit in the recording and broadcasting host.

Similarly, in the sound amplifying system, when the sound amplifying function is independently used, the recording and broadcasting host is not required to be started, so that excessive electric energy loss caused by the operation of the recording and broadcasting host can be avoided; and the photovoltaic panel 1 converts light energy into electric energy to be used as a storage battery, so that the energy-saving and emission-reducing photovoltaic panel has the advantages of zero pollution and zero emission, and is more in accordance with the concept of energy conservation and emission reduction.

In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are merely for convenience of description and to simplify the operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The technical principles of the present application are described above in connection with specific embodiments. These descriptions are provided only for the purpose of illustrating the principles of the present application and should not be construed as limiting the scope of the present application in any way. Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification without undue burden from the present disclosure.

Claims (11)

1. A recording and playing host, comprising:

the photovoltaic panel (1) is arranged on the host shell (2);

the storage battery is connected with the photovoltaic panel (1) and is used for supplementing energy to the storage battery through the photovoltaic panel (1);

the wireless receiving unit is connected with the storage battery and supplies power to the wireless receiving unit through the storage battery, so that the wireless receiving unit can establish radio connection with a microphone;

the audio output unit is connected with the storage battery, the wireless receiving unit and the sound equipment, and is powered by the storage battery, so that the audio output unit can forward the audio signals received from the wireless receiving unit to the sound equipment.

2. The recording and playing host according to claim 1, characterized in that the top side of the host housing (2) is provided with a wire baffle (4), the photovoltaic panel (1) comprising a first photovoltaic panel (11) attached to the wire baffle (4).

3. The recording and playing host according to claim 2, wherein the wire baffle (4) comprises a fixing part (41), a front baffle part (42) and an upper baffle part (43) which are sequentially connected, the fixing part (41) is fixed on the back surface of the host shell (2), the upper baffle part (43) extends upwards from the upper edge of the host shell (2), and the upper baffle part (43) extends backwards relative to the upper baffle part (43); the first photovoltaic panel (11) covers the front stop (42) and the upper stop (43).

4. The recording and broadcasting host according to claim 2, characterized in that a plurality of wiring ports (51) are arranged at the top of the host shell (2), the wiring ports (51) comprise charging interfaces (511) connected with the storage battery, the first photovoltaic panel (11) is connected with a first charging wire (111), and the first charging wire (111) is in plug connection with the charging interfaces (511).

5. The recording and playing host according to claim 1, characterized in that the photovoltaic panel (1) further comprises a second photovoltaic panel (12), the second photovoltaic panel (12) being attached to a side wall of the host housing (2).

6. The recording and playing host according to claim 5, characterized in that a wire through hole (211) corresponding to the installation position of the second photovoltaic plate (12) is arranged on the side wall of the host shell (2), the second photovoltaic plate (12) is connected with a second charging wire (121), and the second charging wire (121) extends to the inside of the host shell (2) through the wire through hole (211) and is connected with the storage battery.

7. The recording and broadcasting host according to claim 1, wherein a main circuit board (5) is disposed inside the host housing (2), and the storage battery, the wireless receiving unit and the audio output unit are all disposed on the main circuit board (5), and are electrically connected with each other by bonding with the main circuit board (5).

8. The recording and broadcasting host according to claim 7, wherein a charging pad for bonding with the photovoltaic panel (1) is arranged on the main circuit board (5), and a charging wire connected with the photovoltaic panel (1) is bonded with the charging pad to realize the electrical connection of the photovoltaic panel (1) and the storage battery.

9. The recording and playing host of claim 1, further comprising a reminder electrically connected to the battery, the reminder for feeding back a power condition of the battery.

10. The recording and playing host of claim 1, further comprising a main power supply unit connected to a main circuit of the recording and playing host, wherein the main power supply unit is connectable to a mains supply to maintain a start-up operation of the recording and playing host.

11. An acoustic amplification system, comprising a microphone, a sound box and the recording and broadcasting host according to any one of claims 1-10, wherein the microphone is in radio connection with a wireless receiving unit in the recording and broadcasting host, and the sound box is in wired electrical connection with an audio output unit in the recording and broadcasting host.