CN221485988U - Multifunctional portable alarm capable of being controlled by people's air defense system - Google Patents
Multifunctional portable alarm capable of being controlled by people's air defense system Download PDFInfo
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- CN221485988U CN221485988U CN202322941267.8U CN202322941267U CN221485988U CN 221485988 U CN221485988 U CN 221485988U CN 202322941267 U CN202322941267 U CN 202322941267U CN 221485988 U CN221485988 U CN 221485988U
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Abstract
The utility model provides a multifunctional portable alarm capable of being controlled by a civil air defense system, which is suitable for the technical field of civil air defense alarms. A personal air defense system controllable multifunctional portable alarm comprising: the system comprises a radio station module, a first selection circuit, an alarm unit, an entertainment control unit and an audio playing module; the radio station module is respectively connected with the signal input end of the alarm unit and the signal input end of the entertainment control unit through a first selection circuit; the radio station module is used for connecting an external central controller for issuing an air defense alarm; the signal output end of the alarm unit and the signal output end of the entertainment control unit are both connected with the signal input end of the audio playing module. The utility model can effectively solve the problem that the portable alarm can only send alarm by the artificial near-end key and can not receive the unified alarm of the central controller as the fixed alarm.
Description
Technical Field
The utility model belongs to the technical field of civil air defense warning, and particularly relates to a multifunctional portable warning device capable of being controlled by a system.
Background
The air defense disaster prevention alarm is an important component of an air defense early warning system, and is equipment for issuing high-power air defense alarm early warning signals. The air defense disaster prevention alarm is usually of two types, one is a portable alarm, the other is an alarm at a fixed position, the portable alarm is emergency blind people complement alarm prevention equipment designed for supplementing alarm coverage blind areas, but at present, the portable alarm is generally used for alarming by a man-made near-end key, and the portable alarm can possibly cause the problem that the portable alarm cannot receive unified alarm of a central controller as the fixed alarm through man-made near-end key alarm.
Disclosure of utility model
The embodiment of the utility model provides a multifunctional portable alarm with controllable personal air defense, which aims to solve the problem that the portable alarm can not receive the unified alarm of a central controller as a fixed alarm due to the fact that the portable alarm sends the alarm through manual keys in the field.
In order to solve the problems, the utility model adopts the following technical scheme: a personal air defense system controllable multifunctional portable alarm comprising:
The system comprises a radio station module, a first selection circuit, an alarm unit, an entertainment control unit and an audio playing module;
The radio station module is respectively connected with the signal input end of the alarm unit and the signal input end of the entertainment control unit through the first selection circuit; the radio station module is used for being connected with an external central controller for issuing an air defense alarm;
The signal output end of the alarm unit and the signal output end of the entertainment control unit are both connected with the signal input end of the audio playing module.
In one possible implementation, a multi-functional portable alarm that is controllable by a civil air defense system further includes: a wireless transmission module and a wireless control handle;
The signal input end of the wireless transmission module is used for being respectively connected with an external wireless microphone and an external central controller for issuing an air defense alarm in a wireless mode;
The signal output end of the wireless transmission module is respectively connected with the signal input end of the entertainment control unit and the signal input end of the alarm unit;
the signal input end of the wireless transmission module is also used for being connected with the external wireless control handle.
In one possible implementation, a multi-functional portable alarm that is controllable by a civil air defense system further includes: a second selection circuit;
The audio playing module comprises: a power amplification unit and a speaker;
The signal output end of the second selection circuit, the signal output end of the alarm unit and the signal output end of the entertainment control unit are respectively connected with the signal input end of the power amplification unit;
The signal output end of the power amplification unit is connected with the loudspeaker;
the speakers include tweeters and woofers.
In one possible implementation, a multi-functional portable alarm that is controllable by a civil air defense system further includes: a power module;
the power supply module is respectively connected with the radio station module, the first selection circuit, the alarm unit, the entertainment control unit and the audio playing module.
In one possible implementation, the power module includes a first input, a second input, and a third input;
The first input end is connected with a storage battery; the storage battery is arranged in the multifunctional portable alarm which can be controlled by the civil air defense system;
the second input end is used for being connected with an external mains supply;
the third input end is used for being connected with an external vehicle-mounted power supply;
the storage battery is respectively connected with the commercial power supply and the vehicle-mounted power supply.
In one possible implementation, a multi-functional portable alarm that is controllable by a civil air defense system further includes: an entertainment control panel;
The entertainment control panel is connected with the entertainment control unit; the entertainment control panel includes: control key and display screen, control key includes: an interrupt key and a power key.
In one possible implementation, a multi-functional portable alarm that is controllable by a civil air defense system further includes: a knob encoder, an antenna, and a housing;
the knob encoder is respectively connected with the first selection circuit and the second selection circuit; the knob encoder is configured to: generating a channel selection instruction and/or a volume adjustment instruction in a manual rotation mode by a user;
the knob encoder and the antenna are arranged on the shell;
The antenna is an FM antenna;
the shell is made of aluminum.
In one possible implementation, the second selection circuit includes: the digital potentiometer comprises a digital potentiometer, a first resistor, a second resistor, a third resistor, a voltage access end and an operational amplifier, wherein the high end of the digital potentiometer is connected with the first end of the first resistor, the sliding end of the digital potentiometer is connected with the second end of the first resistor, the low end of the digital potentiometer is connected with the first end of the second resistor, the second end of the second resistor is connected with the voltage access end, the sliding end of the digital potentiometer is connected with the first end of the third resistor, the second end of the third resistor is connected with the voltage access end, the high end of the digital potentiometer is connected with the knob encoder, the sliding end of the digital potentiometer is connected with the positive input end of the operational amplifier, and the output end of the operational amplifier is connected with the signal input end of the power amplifier unit.
In one possible implementation, the digital potentiometer is a MAX5407 digital potentiometer and the operational amplifier is an LM2902M operational amplifier.
In one possible implementation, the entertainment control unit includes a bluetooth transmission module, an MP3 module, an FM radio module, and a TTS voice module, each connected to the first selection circuit.
The multifunctional portable alarm with the controllable civil air defense has the beneficial effects that:
Based on the connection relation of the modules, the circuits and the units in the multifunctional portable alarm with the controllable personal air defense system, the first selection circuit can select the working mode of the current portable alarm according to the signals transmitted by the radio station module, on the basis, the signal output end of the entertainment control unit is connected with the signal input end of the audio playing module, the audio can be played during daily entertainment, the signal output end of the alarm unit is connected with the signal input end of the audio playing module, and the air defense alarm can be played when the radio station module receives the air defense alarm issued by the central controller. The utility model can ensure the unified playing of the air defense alarm as far as possible through the combination of the radio station module, the first selection circuit, the alarm unit, the entertainment control unit and the audio playing module, and effectively solves the problem that the portable alarm can only receive the unified alarm of the central controller as the fixed alarm when the portable alarm can only send the alarm through the artificial near-end key.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the related technical descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a multi-functional portable alarm with controllable personal air defense according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a multi-functional portable alarm with controllable personal air defense according to another embodiment of the present utility model;
FIG. 3 is a schematic diagram of a second selection circuit according to an embodiment of the present utility model;
Fig. 4 is a schematic physical structure diagram of a multifunctional portable alarm with controllable personal air defense according to an embodiment of the present utility model.
Detailed Description
In order to make the present solution better understood by those skilled in the art, the technical solution in the present solution embodiment will be clearly described below with reference to the accompanying drawings in the present solution embodiment, and it is obvious that the described embodiment is an embodiment of a part of the present solution, but not all embodiments. All other embodiments, based on the embodiments in this solution, which a person of ordinary skill in the art would obtain without inventive faculty, shall fall within the scope of protection of this solution.
The term "comprising" in the description of the present solution and the claims and in the above-mentioned figures, as well as any other variants, means "including but not limited to", intended to cover a non-exclusive inclusion, and not limited to only the examples listed herein. Furthermore, the terms "first" and "second," etc. are used for distinguishing between different objects and not for describing a particular sequential order.
The implementation of the present utility model is described in detail below with reference to the specific drawings.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a multifunctional portable alarm device with controllable personal air defense according to an embodiment of the present utility model, a multifunctional portable alarm device 10 with controllable personal air defense includes:
A radio station module 11, a first selection circuit 12, an alarm unit 13, an entertainment control unit 14 and an audio playback module 15.
The radio station module 11 is connected via a first selection circuit 12 to a signal input of an alarm unit 13 and to a signal input of an entertainment control unit 14, respectively. The radio station module 11 is used for connecting an external central controller 20 for issuing an air defense warning.
The signal output end of the alarm unit 13 and the signal output end of the entertainment control unit 14 are both connected with the signal input end of the audio playing module 15.
In this embodiment, the radio station module 11 may be a radio station. The radio station specifically includes: a signal receiving circuit and a signal transmitting circuit. The radio station module 11 is configured as a frequency band controllable by the central controller 20. During daily entertainment, the portable alarm 10 (hereinafter, a multifunctional portable alarm with a controllable personal air defense system is called as a portable alarm for short) is in an entertainment mode, the radio station module 11 is communicated with the entertainment control unit 14 through the first selection circuit 12, the first selection circuit 12 is a multiplexing switch, the multiplexing switch adopts a chip model of CD4051BC, and the signal output end of the entertainment control unit 14 is connected with the signal input end of the audio playing module 15 to realize audio playing of daily entertainment. When the central controller 20 issues an air defense warning, the radio station module 11 receives the air defense warning issued by the central controller 20, the radio station module 11 is communicated with the warning unit 13 through the first selection circuit 12, the portable warning device 10 is in a warning mode, and the signal output end of the warning unit 13 is connected with the signal input end of the audio playing module 15, so that the air defense warning is issued. The multifunctional portable alarm 10 with the controllable personal air defense can be uniformly and simultaneously issued with an air defense alarm by the central controller 20.
In the present embodiment, the first selection circuit 12, the alarm unit 13, and the entertainment control unit 14 may be provided on the portable alarm main board 101.
In the embodiment of the present utility model, based on the provided connection relationship among modules, circuits and units in the multifunctional portable alarm 10 with controllable personal air defense, the first selection circuit 12 can select the current working mode of the portable alarm 10 according to the signal transmitted by the radio station module 11, on this basis, the signal output end of the entertainment control unit 14 is connected with the signal input end of the audio playing module 15, so that the audio can be played during daily entertainment, and the signal output end of the alarm unit 13 is connected with the signal input end of the audio playing module 15, so that the air defense alarm can be played when the radio station module 11 receives the air defense alarm issued by the central controller 20. The utility model can ensure the unified playing of the air defense warning as far as possible through the combination of the radio station module 11, the first selection circuit 12, the warning unit 13, the entertainment control unit 14 and the audio playing module 15, and effectively solves the problem that the conventional fixed warning device and the conventional portable warning device do not issue the air defense warning in the same time period due to the fact that the warning is issued by the artificial key.
As shown in fig. 2, the schematic structural diagram of a multi-functional portable alarm device with controllable personal air defense according to another embodiment of the present utility model is that, in one possible implementation, the multi-functional portable alarm device 10 with controllable personal air defense further includes: a wireless transmission module 16 and a wireless control handle.
The signal input end of the wireless transmission module 16 is used for being respectively connected with an external wireless microphone and an external central controller 20 for issuing an air defense alarm in a wireless mode.
The signal output end of the wireless transmission module 16 is respectively connected with the signal input end of the entertainment control unit 14 and the signal input end of the alarm unit 13;
The signal input of the wireless transmission module 16 is also adapted to be connected to an external wireless control handle.
In the present embodiment, the issuing of the air defense warning can be realized based on the relationship in which the central controller 20, the wireless transmission module 16, and the warning unit 13 are sequentially connected. Based on the connection of the wireless control handle, the wireless transmission module 16 and the alarm unit 13 in turn, the issuing of the air defense alarm can be realized through the control of the wireless control handle. Daily entertainment can be achieved based on the relationship of the wireless microphone, the wireless transmission module 16, and the entertainment control unit 14 being connected in sequence. Based on the relationship that the wireless microphone, the wireless transmission module 16 and the central controller 20 are sequentially connected, voice communication with the central controller 20 is realized.
In this embodiment, during daily entertainment, the portable alarm 10 is in an entertainment mode, the signal output end of the wireless transmission module 16 is in conductive communication with the signal input end of the entertainment control unit 14, and the signal output end of the entertainment control unit 14 is connected with the signal input end of the audio playing module 15, so as to realize audio playing of daily entertainment. The wireless transmission module 16 is configured to receive the air defense warning issued by the central controller 20, and when the air defense warning issued by the central controller 20 is received, the portable alarm 10 is in an alarm mode, the signal output end of the wireless transmission module 16 is in conduction communication with the signal input end of the alarm unit 13, and the signal output end of the alarm unit 13 is connected with the signal input end of the audio playing module 15, so that the air defense warning is played.
In an embodiment of the present utility model, the wireless transmission module 16 may be configured as an ultrashort wave radio station, where the ultrashort wave radio station is configured in the device of the central controller 20, the external wireless microphone is connected to the bluetooth transmission module of the portable alarm 10 for communication, and the wireless transmission module 16 is connected to the wireless control handle through the bluetooth transmission module. Under the condition that the channels and the frequency points of the ultrashort wave radio station corresponding to the wireless transmission module 16 and the ultrashort wave radio station corresponding to the central controller 20 correspond to each other, the ultrashort wave radio station can be in communication connection with the ultrashort wave radio station corresponding to the central controller 20 through ultrashort waves. The signal output end of the wireless transmission module 16 is connected to the signal input end of the alarm unit 13, the wireless station module 11 is connected to the signal input end of the alarm unit 13 through the first selection circuit 12, the wireless station module 11 is used for being connected to the external central controller 20 for issuing the air defense alarm, and based on the connection relationship, the wireless transmission module 16 can be further configured to perform voice communication with the external central controller 20 for issuing the air defense alarm through the wireless station module 11. The external wireless microphone is connected with the Bluetooth transmission module of the portable alarm 10 for communication, the wireless transmission module 16 receives voice data, when the portable alarm 10 is in an alarm mode and the wireless transmission module 16 receives the voice data, the wireless transmission module 16 transmits the voice data to the signal transmission circuit of the radio station module 11 through the first selection circuit 12, and the central controller 20 receives the voice data transmitted by the signal transmission circuit of the radio station module 11 to realize communication between the wireless transmission module 16 and the central controller 20.
The wireless transmission module 16 may also be specifically configured to communicate voice with an external central controller 20 issuing an air defense warning through the radio module 11.
In this embodiment, the wireless transmission module 16 may be provided on the portable alarm main board 101.
As shown in fig. 2, the schematic structural diagram of a multi-functional portable alarm device with controllable personal air defense according to another embodiment of the present utility model is that, in one possible implementation, the multi-functional portable alarm device 10 with controllable personal air defense further includes: a second selection circuit 17.
The audio playing module 15 includes: a power amplification unit 151 and a speaker 152.
The second selection circuit 17, the signal output terminal of the alarm unit 13, and the signal output terminal of the entertainment control unit 14 are connected to the signal input terminal of the power amplification unit 151, respectively.
The signal output end of the power amplification unit 151 is connected with a speaker 152.
The speakers 152 include tweeters and woofers.
In the present embodiment, the second selection circuit 17 is provided on the portable alarm main board 101. The power amplifier unit 151 is configured to provide a high-power 200W audio power amplifier output to the speaker 152, where the speaker 152 includes a tweeter and a woofer, and the requirements of issuing an air defense alarm and daily entertainment can be satisfied by adopting a high-tone alarm dedicated tweeter and woofer assembly. The second selection circuit 17 is connected to the signal input terminal of the power amplification unit 151, the signal output terminal of the power amplification unit 151 is connected to the tweeter and woofer of the speaker 152, and based on the above connection relationship, the second selection circuit 17 may be configured to: the volume is adjusted by connecting a tweeter or a woofer. For example: when the portable alarm 10 is in the alarm mode, the second selection circuit 17 is connected to the signal input terminal of the power amplification unit 151, and the signal output terminal of the power amplification unit 151 is connected to the tweeter of the speaker 152, so that a tweeter air defense alarm can be played.
As shown in fig. 3, the second selection circuit according to the embodiment of the present utility model includes: the digital potentiometer comprises a digital potentiometer A, a first resistor R1, a second resistor R2, a third resistor R3, a voltage access end U and an operational amplifier B, wherein the high end VH of the digital potentiometer A is connected with the first end of the first resistor R1, the sliding end VW of the digital potentiometer A is connected with the second end of the first resistor R1, the low end VL of the digital potentiometer A is connected with the first end of the second resistor R2, the second end of the second resistor R2 is connected with the voltage access end U, the sliding end VW of the digital potentiometer A is connected with the first end of the third resistor R3, the second end of the third resistor R3 is connected with the voltage access end U, the high end VH of the digital potentiometer A is connected with a knob encoder, the sliding end VW of the digital potentiometer A is connected with the positive input end of the operational amplifier B, and the output end of the operational amplifier B is connected with the signal input end of the power amplifier unit 151.
In one possible implementation, the digital potentiometer a is a MAX5407 digital potentiometer a and the operational amplifier B is an LM2902M operational amplifier B.
In this embodiment, the U/D end of the digital potentiometer A is connected with 5407U/D, the CS end of the digital potentiometer A is connected with 5407CS, the ZCEN end of the digital potentiometer A is connected with AGND, the VDD end of the digital potentiometer A is connected with +5VA, and the GND end of the digital potentiometer A is connected with AGND.
In this embodiment, when the volume is adjusted, the user manually rotates the knob encoder to select one volume, and a corresponding volume adjustment command is generated, the volume adjustment command is input into the digital potentiometer a through the high end VH of the digital potentiometer a, the digital potentiometer a adjusts the resistance value of the digital potentiometer a according to the volume adjustment command, the resistance values of different resistances are different, and the voltages of the corresponding sliding ends VW are different, so that the volume adjustment is realized.
As shown in fig. 2, the schematic structural diagram of a multi-functional portable alarm device with controllable personal air defense according to another embodiment of the present utility model is that, in one possible implementation, the multi-functional portable alarm device 10 with controllable personal air defense further includes: a power module 18.
The power supply module 18 is connected to the radio station module 11, the first selection circuit 12, the alarm unit 13, the entertainment control unit 14, and the audio playback module 15, respectively.
In the present embodiment, the power supply module 18 is also connected to the wireless transmission module 16 and the second selection circuit 17.
In one possible implementation, the power module 18 includes a first input, a second input, and a third input.
The first input is connected to the battery 181. The battery 181 is provided inside the multi-functional portable alarm 10 whose personal air defense can be controlled.
The second input terminal is used for being connected with an external commercial power supply 182.
The third input is for connection to an external vehicle power supply 183.
The battery 181 is connected to a commercial power supply 182 and an in-vehicle power supply 183, respectively.
In this embodiment, the storage battery 181 may be a high-capacity lithium iron phosphate battery. The external vehicle-mounted power supply 183 connected to the third input terminal is 12V, and dc power can be supplied to the portable alarm 10 by the vehicle-mounted power supply 183. The mains supply is connected with the second input end through the adapter to supply power to the portable alarm 10, the storage battery 181 is respectively connected with the mains supply 182 and the vehicle-mounted power supply 183, and the mains supply 182 and the vehicle-mounted power supply 183 can charge the storage battery 181.
As shown in fig. 2, the schematic structural diagram of a multi-functional portable alarm device with controllable personal air defense according to another embodiment of the present utility model is that, in one possible implementation, the multi-functional portable alarm device 10 with controllable personal air defense further includes: entertainment control panel 19.
The entertainment control panel 19 is connected to the entertainment control unit 14. The entertainment control panel 19 includes: control key and display screen, control key includes: an interrupt key and a power key.
In this embodiment, the interrupt key is configured to interrupt alarm issuance when an alarm is issued. In this embodiment, the knob encoder 1 and the display screen cooperate to realize the selection of whether the mode of the portable alarm 10 is an entertainment mode or an alarm mode, realize the adjustment of volume, select different alarm types, and select different entertainment modes.
As shown in fig. 4, the schematic entity structure of the multifunctional portable alarm device with controllable personal air defense according to an embodiment of the present utility model is known, in one possible implementation, the multifunctional portable alarm device 10 with controllable personal air defense further includes: a knob encoder 1, an antenna 2 and a housing 3.
The knob encoder 1 is connected to the first selection circuit 12 and the second selection circuit 17, respectively. The knob encoder 1 is configured to: generating a channel selection instruction and/or a volume adjustment instruction in a manual rotation mode by a user.
The knob encoder 1 and the antenna 2 are provided on the housing 3.
The antenna 2 is an FM antenna 2.
The shell 3 is made of aluminum.
As shown in fig. 4, a multi-functional portable alarm 10 in which personal air defense is controllable includes: the alarm main board 101, the knob encoder 1, the antenna 2, the housing 3, the radio station module 11, the power amplification unit 151, the tweeter 1521, the woofer 1522, the power supply module 18, and the battery 181.
In the schematic structural diagram of a multifunctional portable alarm device with controllable personal air defense according to another embodiment of the present utility model shown in fig. 2, the alarm main board 101 includes: a first selection circuit 12, an alarm unit 13, an entertainment control unit 14, a wireless transmission module 16 and a second selection circuit 17.
In the present embodiment, the knob encoder 1 is connected to the first selection circuit 12 and the second selection circuit 17, respectively, and based on the relation of the connection of the knob encoder 1 to the first selection circuit 12, the knob encoder 1 may be configured to generate a channel selection instruction by a manual rotation of the user, that is, to select whether the mode of the portable alarm 10 is the entertainment mode or the alarm mode. Based on the connection between the knob encoder 1 and the second selection circuit 17, the knob encoder 1 may be configured to generate a volume adjustment command by means of manual rotation by a user, the volume adjustment command being configured to be able to adjust the volume of audio played in the entertainment mode and also to adjust the volume of an air defense warning played in the warning mode. In this embodiment, the knob encoder 1 is further configured to select alert seeds for playing an air defense warning, and the knob encoder 1 may select different alert seeds for playing, specifically including five alert seeds: early warning, air attack, relief, disaster and disaster relief.
In this embodiment, in order to reduce the overall mass, the outer casing and the inner structure of the portable alarm 10 are made of aluminum plates, the overall equipment mass is controlled within 5KG, the maximum support is provided for personnel to bear, and the personnel can bear the portable alarm 10 for a long time.
In one possible implementation, the entertainment control unit 14 includes a Bluetooth transmission module, an MP3 module, an FM radio module, and a TTS voice module, each coupled to the first selection circuit 12.
In the present embodiment, the knob encoder 1 is further configured to select one of a bluetooth transmission module, an MP3 module, an FM radio module, and a TTS voice module.
In this embodiment, the bluetooth transmission module, the MP3 module, the FM radio module, and the TTS voice module are disposed on the portable alarm main board 101, the portable alarm main board 101 may receive the channel selection instruction, issue an air defense alarm, and may consider a daily entertainment mode, and the portable alarm main board 101 further performs various interfaces including: the entertainment control unit 14 and the alarm unit 13 are corresponding to the external knob encoder interface, the external knob encoder interface corresponding to the volume is adjusted, the external knob encoder interface corresponding to the Bluetooth transmission module, the MP3 module, the FM radio module and the TTS voice module are corresponding to the external knob encoder interface, and five alarm types: the external knob encoder interface corresponding to early warning, air attack, relief, disaster and relief can select different functional modules and working modes through the knob encoder.
In the embodiment of the utility model, the portable alarm 10 can play the air defense alarm through the radio station module 11, and can play the air defense alarm through the wireless transmission module 16, and the two modes can realize remote control of the portable alarm 10 to play the air defense alarm.
Specific examples of manual selection of play of an air defense warning by a knob encoder are as follows:
And the user rotates the knob encoder to an alarm mode, if the alarm is a corresponding position of the air attack, the portable alarm plays the air attack alarm. The user rotates the knob encoder to an alarm mode, the alarm is at a position for releasing the corresponding position, and the portable alarm stops playing the alarm.
Specific examples of manual selection of play entertainment audio by a knob encoder are as follows:
The user rotates the knob encoder to an entertainment mode, and the portable alarm plays the audio of the radio when the FM radio module corresponds to the position. The user can select to play the next song, the last song, pause playing and the like through the knob encoder after rotating to the corresponding position of the MP3 module.
The multifunctional portable alarm with the controllable civil air defense is mainly used for alarm blind areas which are not covered by conventional alarms, such as blind spot areas covered by high-point civil air defense alarms, such as underground, urban and rural joint parts at the edge of a city, a cargo yard, various outdoor markets and the like.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents. Such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A multi-functional portable alarm for a person's air defense system, comprising:
The system comprises a radio station module, a first selection circuit, an alarm unit, an entertainment control unit and an audio playing module;
The radio station module is respectively connected with the signal input end of the alarm unit and the signal input end of the entertainment control unit through the first selection circuit; the radio station module is used for being connected with an external central controller for issuing an air defense alarm;
The signal output end of the alarm unit and the signal output end of the entertainment control unit are both connected with the signal input end of the audio playing module.
2. A personal air defense system controllable multifunctional portable alarm as recited in claim 1 further comprising: a wireless transmission module and a wireless control handle;
The signal input end of the wireless transmission module is used for being respectively connected with an external wireless microphone and an external central controller for issuing an air defense alarm in a wireless mode;
The signal output end of the wireless transmission module is respectively connected with the signal input end of the entertainment control unit and the signal input end of the alarm unit;
the signal input end of the wireless transmission module is also used for being connected with the external wireless control handle.
3. A personal air defense system controllable multifunctional portable alarm as recited in claim 1 further comprising: a second selection circuit;
The audio playing module comprises: a power amplification unit and a speaker;
The signal output end of the second selection circuit, the signal output end of the alarm unit and the signal output end of the entertainment control unit are respectively connected with the signal input end of the power amplification unit;
The signal output end of the power amplification unit is connected with the loudspeaker;
the speakers include tweeters and woofers.
4. A personal air defense system controllable multifunctional portable alarm as recited in claim 1 further comprising: a power module;
the power supply module is respectively connected with the radio station module, the first selection circuit, the alarm unit, the entertainment control unit and the audio playing module.
5. The system controllable, multi-purpose portable alarm of claim 4, wherein said power module comprises a first input, a second input, and a third input;
The first input end is connected with a storage battery; the storage battery is arranged in the multifunctional portable alarm which can be controlled by the civil air defense system;
the second input end is used for being connected with an external mains supply;
the third input end is used for being connected with an external vehicle-mounted power supply;
the storage battery is respectively connected with the commercial power supply and the vehicle-mounted power supply.
6. A personal air defense system controllable multifunctional portable alarm as recited in claim 1 further comprising: an entertainment control panel;
The entertainment control panel is connected with the entertainment control unit; the entertainment control panel includes: control key and display screen, control key includes: an interrupt key and a power key.
7. A personal air defense system controllable multifunctional portable alarm as recited in claim 3 further comprising: a knob encoder, an antenna, and a housing;
the knob encoder is respectively connected with the first selection circuit and the second selection circuit; the knob encoder is configured to: generating a channel selection instruction and/or a volume adjustment instruction in a manual rotation mode by a user;
the knob encoder and the antenna are arranged on the shell;
The antenna is an FM antenna;
the shell is made of aluminum.
8. A personal air defense system controllable multifunctional portable alarm according to claim 7 wherein said second selection circuit comprises: the digital potentiometer comprises a digital potentiometer, a first resistor, a second resistor, a third resistor, a voltage access end and an operational amplifier, wherein the high end of the digital potentiometer is connected with the first end of the first resistor, the sliding end of the digital potentiometer is connected with the second end of the first resistor, the low end of the digital potentiometer is connected with the first end of the second resistor, the second end of the second resistor is connected with the voltage access end, the sliding end of the digital potentiometer is connected with the first end of the third resistor, the second end of the third resistor is connected with the voltage access end, the high end of the digital potentiometer is connected with the knob encoder, the sliding end of the digital potentiometer is connected with the positive input end of the operational amplifier, and the output end of the operational amplifier is connected with the signal input end of the power amplifier unit.
9. The personal air defense system controllable multifunctional portable alarm of claim 8 wherein the digital potentiometer is a MAX5407 digital potentiometer and the operational amplifier is an LM2902M operational amplifier.
10. A personal air defense system controllable multifunctional portable alarm according to claim 1 wherein said entertainment control unit comprises a bluetooth transmission module, an MP3 module, an FM radio module and a TTS voice module respectively connected to said first selection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322941267.8U CN221485988U (en) | 2023-10-31 | 2023-10-31 | Multifunctional portable alarm capable of being controlled by people's air defense system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322941267.8U CN221485988U (en) | 2023-10-31 | 2023-10-31 | Multifunctional portable alarm capable of being controlled by people's air defense system |
Publications (1)
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