CN214256326U - Cell broadcast receiver circuit - Google Patents
Cell broadcast receiver circuit Download PDFInfo
- Publication number
- CN214256326U CN214256326U CN202120349296.3U CN202120349296U CN214256326U CN 214256326 U CN214256326 U CN 214256326U CN 202120349296 U CN202120349296 U CN 202120349296U CN 214256326 U CN214256326 U CN 214256326U
- Authority
- CN
- China
- Prior art keywords
- circuit
- series
- voltage regulating
- audio
- capacitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001105 regulatory effect Effects 0.000 claims abstract description 40
- 239000003990 capacitor Substances 0.000 claims description 37
- 238000012545 processing Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 abstract description 7
- 230000005611 electricity Effects 0.000 abstract 1
- 230000005236 sound signal Effects 0.000 description 14
- 230000003321 amplification Effects 0.000 description 7
- 238000003199 nucleic acid amplification method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Landscapes
- Circuits Of Receivers In General (AREA)
Abstract
The utility model provides a cell broadcast receiver circuit, including the audio equipment who is used for playing the audio frequency, the audio equipment electricity is connected with the solar power supply who is used for providing the power, it provides the first voltage regulating circuit of steady voltage to concatenate between solar power supply and the audio equipment, first voltage regulating circuit is used for supplying power for the audio equipment constant voltage; the solar power supply is connected with an illumination circuit with an illumination function. The utility model discloses can be when meetting emergency, the receiver still can normally work, in time receives the audio frequency and reports, has increased the illumination function simultaneously, guarantees that people can the quick travel to safe place.
Description
Technical Field
The utility model relates to an audio frequency reception technical field, concretely relates to district broadcast receiver circuit.
Background
With the development of society, people gradually gather lives in a cell unit, and when an emergency or a natural disaster occurs or a cell suddenly cuts off power, workers need to quickly notify people in the cell of information and move to a safe place.
Therefore, a receiver suitable for being installed in a cell is needed, a worker plays audio or broadcast in a broadcasting room under normal conditions, when an emergency situation occurs and the broadcasting room is not informed, the receiver can still work normally, receives the audio and broadcasts, and the people can be guaranteed to move to a safe place quickly through convenience.
SUMMERY OF THE UTILITY MODEL
In view of this, the to-be-solved problem of the present invention is to provide a cell broadcast receiver circuit, when meeting the emergency situation, can't in time inform people evacuation in the broadcasting room that the receiver can normally work, and the receiver can receive other types of audio frequencies, through convenient, guarantees that people move fast to safe place.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a cell broadcast receiver circuit comprises audio equipment for playing audio, wherein the audio equipment is electrically connected with a solar power supply for supplying power, a first voltage regulating circuit for supplying stable voltage is connected between the solar power supply and the audio equipment in series, and the first voltage regulating circuit is used for supplying power to the audio equipment at constant voltage;
the solar power supply is connected with an illumination circuit with an illumination function.
Further, the audio device comprises a high frequency player for playing high decibel audio and a low frequency player for playing low decibel audio;
the high-frequency player is respectively connected with a C7 capacitor and a C71 capacitor in series and then is connected with a volume amplifying circuit for amplifying audio; the low-frequency player is respectively connected with a C8 capacitor and a C81 capacitor in series and then connected with a volume adjusting circuit for removing noise and amplifying audio.
Furthermore, the volume adjusting circuit and the volume amplifying circuit are both dual operational amplifier circuits, and the volume adjusting circuit and the volume amplifying circuit are connected in series.
Further, the volume adjusting circuit is electrically connected with a wireless receiving circuit and a wired receiving circuit;
the wireless receiving circuit comprises a JP2 wireless interface, the JP2 wireless interface is connected with a C1 capacitor in series and then is connected with a volume adjusting circuit, the JP2 wireless interface is connected with an R1 resistor in series, the R1 resistor is connected with an R2 resistor in series and then is connected with the volume adjusting circuit, and the R1 resistor and the R2 resistor are arranged in a grounding mode.
Further, the JP2 wireless interface is connected to an antenna device for receiving and processing audio.
Further, the wired receiving circuit comprises a JP1 fixing device, the JP1 fixing device is electrically connected with a T1 transformer, and the T1 transformer is electrically connected with a volume adjusting circuit after being connected with a C3 capacitor in parallel.
Furthermore, the first voltage regulating circuit comprises a JP3 voltage regulating chip, a VIN port of the JP3 voltage regulating chip is connected with a solar power supply, a VOUT port of the JP3 voltage regulating chip is connected with an audio device, an R9 resistor is connected in series with an ADJ port of the JP3 voltage regulating chip VOUT port, an R91 variable resistor is connected in series with the ADJ port, the ADJ port is grounded, and a C9 capacitor is connected in series between the VOUT port of the JP3 voltage regulating chip and the ground.
Furthermore, a U2 light emitting diode is connected between the port of the VOUT of the JP3 voltage regulation chip and the ground in series.
Furthermore, the lighting circuit comprises a second voltage regulating circuit, the second voltage regulating circuit is connected with the first voltage regulating circuit in the same way, and X1 lighting equipment is connected between a VOUT port of a JP3 voltage regulating chip in the second voltage regulating circuit and the ground in series.
Furthermore, the solar power supply comprises a storage battery, the storage battery is electrically connected with a solar power supply circuit, the solar power supply circuit is formed by connecting a plurality of photoelectric sources in parallel, and anodes of the photoelectric sources are connected with diodes in series.
The utility model has the advantages and positive effects that:
through installing a solar power supply equipment and X1 lighting apparatus on the receiver, solar power supply supplies power for the receiver, and X1 lighting apparatus is used for the illumination at night, and when meeting the emergency situation, can't arrive the broadcasting room in time and inform people evacuation, the receiver can normally work, makes things convenient for the receiver to receive other types of audio frequency and notifies people evacuation, and X1 lighting apparatus throws light on, guarantees that people move to safe place fast.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is an overall structure diagram of a cell broadcast receiver circuit according to the present invention;
fig. 2 is an audio receiving circuit diagram of a cell broadcast receiver circuit according to the present invention;
fig. 3 is an audio amplification circuit diagram of a cell broadcast receiver circuit according to the present invention;
fig. 4 is a power supply illumination diagram of a cell broadcast receiver circuit of the present invention;
the figure is as follows: 1. a wireless receiving circuit; 101. a wired receiving circuit; 2. a volume adjustment circuit; 201. a volume amplification circuit; 202. an audio device; 3. a first voltage regulating circuit; 301. a lighting circuit; 4. a solar power source.
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.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The utility model provides a district broadcast receiver circuit, as shown in FIG. 1, including the audio equipment who is used for playing audio frequency, audio equipment is including high frequency player and low frequency player. As shown in fig. 3, two connection terminals of the high-frequency player are respectively connected in series with a C7 capacitor and a C71 capacitor and then connected to the volume amplifying circuit 201, and the C7 capacitor and the C71 capacitor are used for filtering an input audio signal, eliminating noise generated by the audio signal in a transmission process, and ensuring the definition of the audio signal.
As shown in fig. 3, two connection terminals of the low-frequency player are respectively connected in series with a C8 capacitor and a C81 capacitor and then connected to the volume adjusting circuit 2, and the functions of the C8 capacitor and the C81 capacitor are the same as those of the C7 capacitor and the C71 capacitor.
As shown in fig. 3, the volume adjusting circuit 2 and the volume amplifying circuit 201 are both dual operational amplifier circuits, the audio signal is first input to the volume adjusting circuit 2 for denoising and amplifying, and the low-frequency audio signal processed by the volume adjusting circuit is input to the low-frequency player through the C8 capacitor and the C81 capacitor for low-frequency playing; the volume adjusting circuit 2 and the volume amplifying circuit 201 are connected in series, the audio signal passes through the volume adjusting circuit 2 and then is connected to the volume amplifying circuit 201, the audio signal after rectification and amplification is subjected to secondary amplification, and the audio signal after secondary amplification is connected to the high-frequency player through the C7 capacitor and the C71 capacitor for high-frequency playing.
As shown in fig. 4, the audio device is electrically connected to a solar power supply 4, the solar power supply 4 includes a storage battery, the storage battery is electrically connected to the solar power supply circuit, and the storage battery is used for storing the power generated by the solar power supply circuit and stably supplying power to the audio device.
The solar power supply circuit is formed by connecting a plurality of photoelectric sources in parallel, and the anodes of the photoelectric sources are connected with a diode in series. Because in natural environment, the intensity of the different light sources irradiated by the sunlight is different, the voltages at the two ends of the different light sources are different, so that the plurality of light sources are connected in series to form a loop easily, and the connecting wires consume electric energy, thereby affecting the efficiency of the solar power source 4.
As shown in fig. 4, a first voltage regulating circuit 3 is connected in series between the solar power supply 4 and the audio device, and is used for supplying power to the audio device at a constant voltage. The voltage regulating circuit 3 comprises a JP3 voltage regulating chip, a VIN port of the JP3 voltage regulating chip is connected with a storage battery, and the voltage of the VIN port is the output voltage of the storage battery. An R9 resistor is connected in series with a VOUT port and an ADJ port of the JP3 voltage-regulating chip, the ADJ port is grounded after being connected with an R91 variable resistor in series, the R91 resistor is used for regulating the voltage of the ADJ port, the R9 resistor is used for determining the voltage at the VOUT port, and the output voltage of the VOUT port is controlled by regulating the resistance value of the R91 resistor.
A C9 capacitor is connected between the port VOUT of the JP3 voltage-regulating chip and the ground in series, and the C9 capacitor is matched with the output voltage of the port VOUT to regulate, so that the voltage-regulating chip has the function of voltage regulation and ensures the stability of the output voltage. A U2 light emitting diode is connected in series between a VOUT port of a JP3 voltage-regulating chip and the ground, when the audio equipment and the U2 light emitting diode are in operation, when an indicator lamp corresponding to the U2 light emitting diode on a receiver is observed to be turned on, the audio playing equipment is in a power-on state at the moment.
The battery is still connected with lighting circuit 301, and lighting circuit 301 includes the second regulator circuit, and the second regulator circuit is the same with the electric elements who uses with first regulator circuit 3's connected mode, has concatenated X1 lighting apparatus between JP4 voltage regulating chip VOUT port and the ground in the second regulator circuit, and when the district because emergency outage back, the receiver still can throw light on, makes things convenient for the quick transfer position of people.
The JP4 voltage regulating chip and the JP3 voltage regulating chip in the first voltage regulating circuit 3 and the second voltage regulating circuit can be XH-M401 or XL4016E1, and the two chips are mainly used for voltage reduction regulation.
The volume adjusting circuit 2 is electrically connected with a wireless receiving circuit 1 and a wired receiving circuit 101, the wireless receiving circuit 1 comprises a JP2 wireless interface, the JP2 wireless interface is connected with an antenna device, the antenna device is used for receiving and processing audio, the antenna device converts a received wireless audio signal into an audio electric signal, the antenna device is correspondingly provided with a sending device, the audio signal is transmitted to a receiver in a radio mode by speaking to the sending device, and the audio signal is broadcasted through the audio device. The transmission method of the audio signal between the antenna equipment and the sending equipment is the same as the transmission process of the interphone, and the sending equipment can be carried about.
The JP2 wireless interface is connected with a C1 capacitor in series and then connected with the volume adjusting circuit 2, and the audio electric signal is filtered by the C1 capacitor and then connected with the volume adjusting circuit 2 for amplification. The JP2 wireless interface is connected with an R1 resistor in series, the R1 resistor is connected with an R2 resistor in series and then connected to the volume adjusting circuit 2, the R1 resistor and the R2 resistor are grounded, and the R1 resistor and the R2 resistor are connected to two ends of a C1 capacitor in parallel by the circuit, so that the stability of voltage at two ends of the C1 capacitor is improved, and the filtering performance of the C1 capacitor is improved.
The wired receiving circuit 101 includes a JP1 fixed device, the JP1 fixed device is a microphone directly connected with a receiver and installed in a broadcasting room, the microphone receives an audio signal, the JP1 fixed device is electrically connected with a T1 transformer, and the T1 transformer transmits the audio signal to the volume adjusting circuit 2 for amplification. The T1 transformer is connected with a C2 capacitor in parallel, and the C2 capacitor is used for supplementing voltage difference fluctuation generated when the T1 transformer works.
The utility model discloses a theory of operation and working process as follows:
the receiver and the broadcast connection can be installed on a building with the highest cell, a solar panel (the solar panel shows light power supplies E1, E2 and E3 in a circuit diagram) and X1 lighting equipment are installed on the receiver, the solar panel has the function of keeping off the rain while absorbing solar energy, and the receiver is connected with a microphone or other broadcasting equipment in a broadcast room to complete installation of the receiver.
Under normal conditions, any voice broadcast condition can be broadcasted by a microphone in a broadcasting room. Emergency appears in the district, leads to the indoor power disconnection of broadcasting, and the indoor equipment of broadcasting can not be used, but the receiver is supplied power by solar power source 4, and the broadcast on the receiver still can use, connects X1 lighting apparatus still to be in the on-state simultaneously, broadcasts in real time through the sending equipment who carries with oneself, and X1 lighting apparatus throws light on, and guide district personnel that can be quick arrive the safe position.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (9)
1. The cell broadcast receiver circuit is characterized by comprising an audio device (202) for playing audio, wherein the audio device (202) is electrically connected with a solar power supply (4) for supplying power, a first voltage regulating circuit (3) for supplying stable voltage is connected between the solar power supply (4) and the audio device (202) in series, the first voltage regulating circuit (3) is used for supplying power to the audio device (202) at constant voltage, the solar power supply (4) is connected with a lighting circuit (301) with a lighting function, and the lighting circuit (301) comprises a second voltage regulating circuit;
the first voltage regulating circuit (3) comprises a JP3 voltage regulating chip, a VIN port of the JP3 voltage regulating chip is connected with a solar power supply (4), a VOUT port of the JP3 voltage regulating chip is connected with an audio device (202), an R9 resistor is connected in series with an ADJ port of the JP3 voltage regulating chip VOUT port, the ADJ port is connected with an R91 variable resistor in series and then grounded, and a C9 capacitor is connected between the VOUT port of the JP3 voltage regulating chip and the ground in series.
2. The cell broadcast receiver circuit of claim 1, wherein: the audio device (202) comprises a high frequency player for playing high decibels audio and a low frequency player for playing low decibels audio;
the high-frequency player is respectively connected with a C7 capacitor and a C71 capacitor in series and then is connected with a volume amplifying circuit (201) for amplifying audio; the low-frequency player is respectively connected with a C8 capacitor and a C81 capacitor in series and then connected with a volume adjusting circuit (2) for removing noise and amplifying audio.
3. The cell broadcast receiver circuit of claim 2, wherein: the volume adjusting circuit (2) and the volume amplifying circuit (201) are both double operational amplifier circuits, and the volume adjusting circuit (2) and the volume amplifying circuit (201) are connected in series.
4. The cell broadcast receiver circuit of claim 2, wherein: the volume adjusting circuit (2) is electrically connected with a wireless receiving circuit (1) and a wired receiving circuit (101);
the wireless receiving circuit (1) comprises a JP2 wireless interface, the JP2 wireless interface is connected with a C1 capacitor in series and then connected with a volume adjusting circuit (2), the JP2 wireless interface is connected with an R1 resistor in series, the R1 resistor is connected with an R2 resistor in series and then connected with the volume adjusting circuit (2), and the R1 resistor and the R2 resistor are grounded.
5. The cell broadcast receiver circuit of claim 4, wherein: the JP2 wireless interface connects an antenna device for receiving and processing audio.
6. The cell broadcast receiver circuit of claim 4, wherein: the wired receiving circuit (101) comprises a JP1 fixed device, the JP1 fixed device is electrically connected with a T1 transformer, and the T1 transformer is electrically connected with a volume adjusting circuit (2) after being connected with a C2 capacitor in parallel.
7. The cell broadcast receiver circuit of claim 1, wherein: and a U2 light-emitting diode is connected between the port VOUT of the JP3 voltage-regulating chip and the ground in series.
8. The cell broadcast receiver circuit of claim 1, wherein: the second voltage regulating circuit is connected with the first voltage regulating circuit (3) in the same way, and X1 lighting equipment is connected between a VOUT port of a JP3 voltage regulating chip in the second voltage regulating circuit and the ground in series.
9. The cell broadcast receiver circuit of claim 1, wherein: the solar power supply (4) comprises a storage battery, the storage battery is electrically connected with a solar power supply circuit, the solar power supply circuit is formed by connecting a plurality of photoelectric sources in parallel, and the anodes of the photoelectric sources are connected with diodes in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120349296.3U CN214256326U (en) | 2021-02-07 | 2021-02-07 | Cell broadcast receiver circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120349296.3U CN214256326U (en) | 2021-02-07 | 2021-02-07 | Cell broadcast receiver circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214256326U true CN214256326U (en) | 2021-09-21 |
Family
ID=77726750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120349296.3U Expired - Fee Related CN214256326U (en) | 2021-02-07 | 2021-02-07 | Cell broadcast receiver circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214256326U (en) |
-
2021
- 2021-02-07 CN CN202120349296.3U patent/CN214256326U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102624082B (en) | Centralized power supply comprehensive intelligent control system for supplying power for indoor lighting system | |
| CN102264168A (en) | Induction lighting lamp and induction lighting system | |
| CN106322321A (en) | LED illumination down lamp with protection constant current drive | |
| CN214256326U (en) | Cell broadcast receiver circuit | |
| CN102237678B (en) | Direct-current remote feeding power system | |
| CN102448210A (en) | Power supply system for centralized control of LED (light emitting diode) street lamps | |
| CN105427554A (en) | Intelligent early warning broadcast control system with alarm indication function | |
| CN208210192U (en) | Intelligent sound system | |
| CN209861161U (en) | Portable megaphone | |
| CN204945655U (en) | A kind of Intelligent bracelet framework being applicable to solar energy intelligent house system | |
| CN201281232Y (en) | Multifunctional electric torch | |
| CN205334084U (en) | Solar energy smart home systems's intelligent bracelet | |
| CN205986900U (en) | Emergent lamps and lanterns of area broadcasting | |
| CN218917618U (en) | Urban rail station multidimensional hybrid indoor positioning system | |
| CN210899637U (en) | Conversion device for converting multi-path Bluetooth signals into 5G mobile network signals | |
| CN205318120U (en) | Solar energy wireless induction charging intelligence house bracelet | |
| CN204945656U (en) | A kind of framework of solar energy radio induction charging Intelligent bracelet | |
| CN204571374U (en) | The voice system of body-building apparatus and gymnasium | |
| CN202978908U (en) | Team smart explanation receiver | |
| CN217362947U (en) | Wind-solar complementary energy-taking system | |
| CN218920067U (en) | Internet of things terminal device based on visible light transmission information and energy | |
| CN218473164U (en) | Emergency broadcast | |
| CN210431468U (en) | Conversion device for converting 5G mobile network signal into multi-path Bluetooth signal | |
| CN209170708U (en) | A kind of emergency light with radio broadcasting function applied in tunnel | |
| CN217563816U (en) | Wireless remote control lighting lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210921 |