CN205384715U - Be equipped with crowd's abnormal sound monitoring alarm device of uninterrupted power source - Google Patents
Be equipped with crowd's abnormal sound monitoring alarm device of uninterrupted power source Download PDFInfo
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- CN205384715U CN205384715U CN201620184302.3U CN201620184302U CN205384715U CN 205384715 U CN205384715 U CN 205384715U CN 201620184302 U CN201620184302 U CN 201620184302U CN 205384715 U CN205384715 U CN 205384715U
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- abnormal sound
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Abstract
The utility model discloses a be equipped with crowd's abnormal sound monitoring alarm device of uninterrupted power source is equipped with microcontroller (1) in its casing (8), audio frequency processing apparatus (2), warning light (6), wireless transmitting module (5), power management means (4) are connected respectively in microcontroller (1), and sound collection device (3) is connected in audio frequency processing apparatus (2), and power management means (4) are connected lithium cell group (7) respectively and are taken plug power line (9), power management means (4) including electronic relay (4 3 ), direct current voltage stabilizing module (4 4 ), rectifier bridge (4 2 ), power switching over control module (4 6 ), transformer (4 1 ), lithium batteries control module (4 5 ), the utility model discloses simple structure, it is with low costs, can realize accurate control, rapidly the reaction for relevant personnel deal with emergent events's the reaction rate and the degree of accuracy, raise the efficiency, can adapt to more complicated environment, and the operational reliability is high.
Description
Technical field:
The utility model relates to a kind of crowd's abnormal sound monitoring alarm being equipped with uninterrupted power source and belongs to public place peace
Anti-monitoring technical field.
Background technology:
Uninterrupted power source is a kind of common form of power, is widely used in the equipment higher to reliability requirement.Different
Ring a kind of real-time fault detection means of monitoring conduct, be applied to some industrial equipments.In the last few years, public place burst
Event increases, becomes the focus of protection and monitor field for the monitoring of public place crowd.
But, existing public place monitoring means are confined to image mostly, i.e. use camera to carry out current scene
Captured in real-time, stores video data, manually reviews video recording and analyze after generation problem, and monitoring efficiency is low, it is impossible to find at once
Abnormal conditions.Though partial video monitoring device is furnished with sound monitoring function, but this function is intended only as the auxiliary of video monitoring, no
Can work independently, equipment is complicated, and cost is high, and repeats with the functions of the equipments installed, poor compatibility.
At present, existing abnormal sound detection device, mostly serve industrial equipment, for fault detect, operation principle is profit
With similar stethoscopic equipment, collection machinery is vibrated, and the vibration of plant equipment is converted into the signal of telecommunication, analyzes signal and normal work
The difference of vibration signal when making.This device is difficult to be directly used in people's sound detection, can not accurate acquisition, the crowd of analysis complexity
Sound；These devices are also mostly in terminal demonstration testing result, it is impossible to wireless transmission alarm signal, are not suitable for extensive security protection prison
Control.
Meanwhile, existing public place monitoring device and abnormal sound detection device all do not install uninterrupted power source, can not during power-off
Work, it is difficult to reply emergency case, poor reliability, is not suitable for public place security protection demand.
Utility model content:
The purpose of this utility model is to overcome the shortcoming of prior art and deficiency to provide a kind of simple in construction, cost
Low, accurately monitoring can be realized, react rapidly, accelerate reaction speed and the degree of accuracy of related personnel's solution of emergent event, improve effect
Rate, it is possible to adapt to more complex environment, the crowd's abnormal sound monitoring alarm being equipped with uninterrupted power source that functional reliability is high.
The purpose of this utility model can be come by following measure: a kind of crowd's abnormal sound monitoring being equipped with uninterrupted power source
Warning device, it includes that housing, housing are provided with warning lamp, voice collection device, band power cord plug, it is characterised in that housing
Inside being provided with microcontroller, microcontroller connects apparatus for processing audio, warning lamp, wireless transmitter module, electric power controller respectively,
Apparatus for processing audio connects voice collection device, and electric power controller connects lithium battery group and band power cord plug respectively；Described
Electric power controller include electronic relay, electronic relay connects DC voltage-stabilizing module, rectifier bridge, Power convert control respectively
Molding block, rectifier bridge connection transformer, DC voltage-stabilizing module connects lithium cell charging control module, lithium cell charging control module
Connecting Power convert control module, electronic relay, charge control module are all connected with lithium battery group, and DC voltage-stabilizing module connects
Microcontroller, transformer, Power convert control module are all connected with band power cord plug.
In order to realize the purpose of this utility model further, described voice collection device is by the first microphone and the second wheat
Gram wind composition, the first microphone and second microphone are respectively provided at the both sides of housing.
In order to realize the purpose of this utility model further, described apparatus for processing audio includes being connected with microcontroller
Microprocessor, microprocessor connects memory, dsp chip, and memory connects an AD sampling A/D chip respectively, the 2nd AD samples core
Sheet, an AD sampling A/D chip connects the first amplifier chip, and the 2nd AD sampling A/D chip connects the second amplifier chip, and first amplifies
Device chip connects the first bandpass filtering chip, and the second amplifier chip connects the second bandpass filtering chip, the first bandpass filtering core
Sheet connects the first microphone, and the second bandpass filtering chip connects second microphone.
The utility model can produce following good effect compared with the prior art: the utility model should by abnormal sound monitoring technology
For public field population surveillance, overcome the problem that existing abnormal sound detection equipment cannot meet public place security protection demand, it is possible to
Eliminate the interference signal in environment, automatically analyze the frequency spectrum of abnormal sound, screamed by detection, explode abnormal sound, judge, nothing
Report from a liner is alert.
The utility model simple in construction, reliable, cost is relatively low, it is to avoid existing safety monitoring equipment Selective is poor, structure
Complicated, cost height, causes the situation of inefficiency, reminds security protection personnel to enhance your vigilance for a certain area, accelerates related personnel
The reaction speed of solution of emergent event and the degree of accuracy, improve efficiency.
The utility model is equipped with uninterrupted power source, can work on after power-off, compensate for existing equipment and relies on stable confession
The deficiency of electricity, it is possible to adapt to more complex environment, have higher reliability.
Accompanying drawing illustrates:
Fig. 1 is external structure schematic diagram of the present utility model；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is internal structure block diagram of the present utility model；
Fig. 4 is the structured flowchart of electric power controller of the present utility model；
Fig. 5 is the structured flowchart of apparatus for processing audio of the present utility model and voice collection device.
Detailed description of the invention:
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is elaborated:
Embodiment: a kind of crowd's abnormal sound monitoring alarm (seeing Fig. 1-Fig. 5) being equipped with uninterrupted power source, it includes shell
Body 8, housing 8 is provided with warning lamp 6, voice collection device 3, band power cord plug 9, and voice collection device 3 is by the first microphone
3-1 and second microphone 3-2 composition, the first microphone 3-1 and second microphone 3-2 is respectively provided at the both sides of housing 8, housing 8
Inside being provided with microcontroller 1, microcontroller 1 connects apparatus for processing audio 2, warning lamp 6, wireless transmitter module 5, power management respectively
Device 4, apparatus for processing audio 2 connects voice collection device 3, and electric power controller 4 connects lithium battery group 7 and band plug electricity respectively
Source line 9.
Wherein: lithium battery group 7 uses 18650 lithium battery groups, for powering under powering-off state whole device.
Electric power controller 4 include electronic relay 4-3, electronic relay 4-3 connect respectively DC voltage-stabilizing module 4-4,
Rectifier bridge 4-2, Power convert control module 4-6, rectifier bridge 4-2 connection transformer 4-1, DC voltage-stabilizing module 4-4 connects lithium electricity
Pond charge control module 4-5, lithium cell charging control module 4-5 connection Power convert control module 4-6, electronic relay 4-3,
Charge control module 4-5 is all connected with lithium battery group 7 that is 18650 lithium battery group, and DC voltage-stabilizing module 4-4 connects microcontroller 1,
Transformer 4-1, Power convert control module 4-6 are all connected with band power cord plug 9.When civil power is normal, through transformer 4-1
Reduce voltage, become direct current by rectifier bridge 4-2 rectification, power to device through DC voltage-stabilizing module 4-4；When civil power cuts off
Time, Power convert control module 4-6 detects civil power abnormal signal, controls electronic relay 4-3, is automatically converted into 18650 lithiums
Battery pack is powered by DC voltage-stabilizing module 4-4, meanwhile, forbids that 18650 lithium battery groups are charged by charge control module 4-5；When
During city power recovery, Power convert control module 4-6 controls electronic relay 4-3 and changes power supply source, allows charging to control mould simultaneously
Block 4-5 work is to 18650 lithium battery group chargings.
Voice collection device 3 is made up of the first microphone 3-1 and second microphone 3-2, can be filled by the sound in environment and change
Becoming the signal of telecommunication, then pass to apparatus for processing audio 2,2 microphones work alone.
Apparatus for processing audio 2 includes that the microprocessor 2-1, microprocessor 2-1 that are connected with microcontroller 1 connect memory 2-
2, dsp chip 2-9, memory 2-2 connect AD sampling A/D chip 2-3, the 2nd AD sampling A/D chip 2-4, an AD sampling respectively
Chip 2-3 connects the first amplifier chip 2-5, and the 2nd AD sampling A/D chip 2-4 connects the second amplifier chip 2-6, and first amplifies
Device chip 2-5 connects the first bandpass filtering chip 2-7, and the second amplifier chip 2-6 connects the second bandpass filtering chip 2-8, the
One bandpass filtering chip 2-7 connects the first microphone 3-1, the second bandpass filtering chip 2-8 and connects second microphone 3-2, storage
Device prestores scream, the frequency spectrum data of the abnormal sound that explodes, i.e. pre-stored data, for the calculated letter of comparative analysis dsp chip
Number frequency spectrum.First, the signal exported each microphone by bandpass filtering chip and amplifier chip is pre-processed, and filters
Clutter, amplifies signal and is easy to rear class process；Then, signal is carried out AD sampling by AD sampling A/D chip, by analog signal figure
Changing, in order to microprocessor processes, according to Nyquist's theorem, sample frequency should be higher than 2 times of voice signal highest frequency；Will
Sampled result write memory；2 road voice signals in microcomputer reads memory, by comparing two paths of signals difference, will
Wherein the obvious road signal of abnormal sound subtracts each other with a unconspicuous road, thus eliminates environment clutter, echo interference, prominent abnormal sound,
Obtain pretreated signal, again write memory；Then, the pretreated signal in microcomputer reads memory,
Pass to dsp chip, be calculated signal spectrum by dsp chip, pass microprocessor back；Microprocessor is by dsp chip meter
The signal spectrum and the pre-stored data that obtain compare, detection signal spectrum in whether contain scream, explode abnormal sound, finally,
Pass the result to microcontroller.
Warning lamp 6, is controlled by microcontroller 1, if the microprocessor that microcontroller 1 receives apparatus for processing audio is examined
Containing blast, abnormal sound of screaming in the signal spectrum surveyed, control warning lamp 6 and flash.
Wireless transmitter module 5 is controlled by microcontroller 1, if microcontroller 1 receives micro-process of apparatus for processing audio
Containing blast, abnormal sound of screaming in the signal spectrum that device is detected, control wireless transmitter module 5 and send alarm signal to outside.
Above embodiment is only to be described preferred embodiment of the present utility model, not to the utility model
Scope be defined, without departing from the utility model design spirit on the premise of, this area ordinary skill technical staff to this
Various deformation that the technical scheme of utility model is made and improvement, all should fall into the guarantor that claims of the present utility model determine
In the range of protecting.
Claims (3)
1. being equipped with crowd's abnormal sound monitoring alarm of uninterrupted power source, it includes that housing (8), housing (8) are provided with police
Show lamp (6), voice collection device (3), band power cord plug (9), it is characterised in that in housing (8), be provided with microcontroller (1), micro-
Controller (1) connects apparatus for processing audio (2), warning lamp (6), wireless transmitter module (5), electric power controller (4), sound respectively
Frequency processing device (2) connects voice collection device (3), and electric power controller (4) connects lithium battery group (7) and band plug electricity respectively
Source line (9)；Described electric power controller (4) includes that electronic relay (4-3), electronic relay (4-3) connect direct current respectively
Voltage stabilizing module (4-4), rectifier bridge (4-2), Power convert control module (4-6), rectifier bridge (4-2) connection transformer (4-1), directly
Stream Voltage stabilizing module (4-4) connects lithium cell charging control module (4-5), and lithium cell charging control module (4-5) connects power supply and turns
Changing control module (4-6), electronic relay (4-3), charge control module (4-5) are all connected with lithium battery group (7), DC voltage-stabilizing
Module (4-4) connect microcontroller (1), transformer (4-1), Power convert control module (4-6) all with band power cord plug (9)
It is connected.
A kind of crowd's abnormal sound monitoring alarm being equipped with uninterrupted power source the most according to claim 1, it is characterised in that
Described voice collection device (3) is made up of the first microphone (3-1) and second microphone (3-2), the first microphone (3-1) and
Second microphone (3-2) is respectively provided at the both sides of housing (8).
A kind of crowd's abnormal sound monitoring alarm being equipped with uninterrupted power source the most according to claim 1, it is characterised in that
Described apparatus for processing audio (2) includes the microprocessor (2-1) being connected with microcontroller (1), and microprocessor (2-1) connects to be deposited
Reservoir (2-2), dsp chip (2-9), memory (2-2) connects an AD sampling A/D chip (2-3), the 2nd AD sampling A/D chip respectively
(2-4), an AD sampling A/D chip (2-3) connects the first amplifier chip (2-5), and the 2nd AD sampling A/D chip (2-4) connects second
Amplifier chip (2-6), the first amplifier chip (2-5) connects the first bandpass filtering chip (2-7), the second amplifier chip
(2-6) connecting the second bandpass filtering chip (2-8), the first bandpass filtering chip (2-7) connects the first microphone (3-1), and second
Bandpass filtering chip (2-8) connects second microphone (3-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620184302.3U CN205384715U (en) | 2016-03-11 | 2016-03-11 | Be equipped with crowd's abnormal sound monitoring alarm device of uninterrupted power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620184302.3U CN205384715U (en) | 2016-03-11 | 2016-03-11 | Be equipped with crowd's abnormal sound monitoring alarm device of uninterrupted power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205384715U true CN205384715U (en) | 2016-07-13 |
Family
ID=56351339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620184302.3U Expired - Fee Related CN205384715U (en) | 2016-03-11 | 2016-03-11 | Be equipped with crowd's abnormal sound monitoring alarm device of uninterrupted power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205384715U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI760991B (en) * | 2020-12-24 | 2022-04-11 | 光寶科技股份有限公司 | Device and method for alarm detetion |
-
2016
- 2016-03-11 CN CN201620184302.3U patent/CN205384715U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI760991B (en) * | 2020-12-24 | 2022-04-11 | 光寶科技股份有限公司 | Device and method for alarm detetion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160713 Termination date: 20200311 |