A kind of noise detection apparatus based on wireless transmissionTechnical field
The present invention relates to noise detection apparatus field, especially a kind of noise detection apparatus based on wireless transmission.
Background technology
Nowadays, noise pollution has become global problem, increasingly attracts people's attention, China's also phase in recent yearsAfter formulating, having promulgated a series of national standards about ambient noise, the implementation of these standards is important we have proposed oneProject, be how exploitation, develop can reach respective standard require, noise measuring instrument easy to use.It is existing to make an uproarSound detection instrument, which exists, to be had a single function, and the problem of autgmentability difference needs to solve.
Invention content
It is an object of the invention to overcome the prior art, a kind of noise measuring dress based on wireless transmission is providedIt sets.
The purpose of the present invention is achieved through the following technical solutions：
A kind of noise detection apparatus based on wireless transmission, the noise detection apparatus include crust of the device and integrated circuit dieBlock, the integrated circuit are set to described device enclosure, and the integrated circuit includes Noise Acquisition module, microphone mouldBlock, preposition preprocessing module, master control processing module, data memory module, data disaply moudle, function button module, positioning mouldBlock, abnormal alarm module and communication module, the Noise Acquisition module, microphone module, preposition preprocessing module are sequentially connected,The input terminal of the master control processing module is connect with the preposition preprocessing module, function button module and locating module respectively,The output end of the master control processing module is connect with the data disaply moudle, abnormal alarm module and communication module respectively, instituteIt states master control processing module to be bi-directionally connected with the data memory module, the Noise Acquisition module is for acquiring ambient noise, instituteMicrophone module is stated to be used to the noise signal that the Noise Acquisition module acquires being transferred to the preposition preprocessing module, it is describedThe signal that the microphone module transmits for being pre-processed and being sent to the master control processing mould by preposition preprocessing moduleBlock, the instantaneous value that the data memory module is sent for the threshold value of storage environment noise and the master control processing module, instituteData disaply moudle is stated for showing that the noise electric signal that the master control processing module is sent, the function button module are used forVarious functions are actively arranged in user, and the locating module is used to acquire the geographical location information of the noise detection apparatus, instituteAbnormal alarm module is stated for alarming under the control of the master control processing module, the communication module is for sending out noise signalIt send to host computer, the master control processing module by the noise signal in real time that receive for being stored in the data memory module and to instituteIt states data disaply moudle and sends control signal by its display noise information, be additionally operable to transfer noise from the data memory moduleThreshold value is compared and analyzed with the noise signal in real time, the master control if noise signal in real time is not in noise threshold rangeProcessing module sends control signal to the abnormal alarm module and alarms by it, is additionally operable to through the communication module to host computerSend real-time noise information and geographical location information.
Further, the noise detection apparatus further includes power supply module, and the power supply module includes power supplyPower supply and power supply management circuit, the power supply are powered by the power supply management circuit to the noise detection apparatus, instituteIt includes rechargeable battery and solar powered module to state power supply.
Further, the solar powered module includes solar photovoltaic cell panel, confluence circuit, regulator circuit and storageBattery, the solar photovoltaic cell panel, confluence circuit, regulator circuit, accumulator, power supply management circuit are sequentially connected.
Further, the master control processing module be embedded microprocessor, the embedded microprocessor use withCortex-M3 is the STM32f103 chips of kernel.
Further, the communication module includes interface communication module and wireless communication module, the interface communication moduleFor RS-232 interface, the wireless communication module includes one or more in 3G, 4G, 5G, WiFi and bluetooth.
Further, the preposition pretreatment circuit includes signal amplification circuit, signal filter circuit and analog-to-digital conversion electricityRoad, the signal amplification circuit, signal filter circuit, analog to digital conversion circuit, master control processing module are sequentially connected.
Further, the locating module includes BDStar navigation system, GPS positioning system and wireless base station positioning systemIt is one or more in system.
Further, the abnormal alarm module includes loudspeaker sound warning circuit and LED flash warning circuit.
Further, the data disaply moudle is LCD liquid crystal displays.
Further, the function button module includes switching on and shutting down button, upper and lower turnover key and number lock button.
The present invention has the following advantages：
Compared with prior art, easy to use, it is suitble to indoors and outwork, can in real time show the data of detectionAnd it is transmitted to host computer, meet a variety of demands, remotely data can be analyzed in real time, it is existing in detection that personnel need not be analyzedField is operated.In addition, by the way that solar charging panel is arranged, noise level monitor can be increased when staff works outdoorsCruising ability.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Specific implementation mode
The present invention will be further described below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to following instituteIt states.
As shown in Figure 1, a kind of noise detection apparatus based on wireless transmission, the noise detection apparatus include crust of the deviceAnd integrated circuit modules, the integrated circuit are set to described device enclosure, the integrated circuit includes Noise Acquisition mouldBlock, microphone module, preposition preprocessing module, master control processing module, data memory module, data disaply moudle, function buttonModule, locating module, abnormal alarm module and communication module, the Noise Acquisition module, microphone module, preposition pretreatment mouldBlock is sequentially connected, the input terminal of the master control processing module respectively with the preposition preprocessing module, function button module and fixedPosition module connection, the output end of the master control processing module respectively with the data disaply moudle, abnormal alarm module and communicationModule connects, and the master control processing module is bi-directionally connected with the data memory module, and the Noise Acquisition module is for acquiringAmbient noise, the microphone module are used to the noise signal that the Noise Acquisition module acquires being transferred to the preposition pre- placeModule is managed, the preposition preprocessing module is described for being pre-processed and being sent to by the signal that the microphone module transmitsMaster control processing module, the data memory module are sent for the threshold value of storage environment noise and the master control processing moduleInstantaneous value, the data disaply moudle is for showing that the noise electric signal that the master control processing module is sent, the function are pressedVarious functions are actively arranged for user in key module, and the locating module is used to acquire the geographical position of the noise detection apparatusConfidence ceases, and for the abnormal alarm module for alarming under the control of the master control processing module, the communication module is used for willNoise signal is sent to host computer, and the master control processing module is used to the noise signal in real time received being stored in the data and storeModule simultaneously sends control signal by its display noise information to the data disaply moudle, is additionally operable to from the data memory moduleIn transfer noise threshold and compared and analyzed with the noise signal in real time, if noise signal in real time is not in noise threshold rangeThen the master control processing module sends control signal to the abnormal alarm module and alarms by it, is additionally operable to through the communication mouldBlock sends real-time noise information and geographical location information to host computer.
Further, the noise detection apparatus further includes power supply module, and the power supply module includes power supplyPower supply and power supply management circuit, the power supply are powered by the power supply management circuit to the noise detection apparatus, instituteIt includes rechargeable battery and solar powered module to state power supply.
Further, the solar powered module includes solar photovoltaic cell panel, confluence circuit, regulator circuit and storageBattery, the solar photovoltaic cell panel, confluence circuit, regulator circuit, accumulator, power supply management circuit are sequentially connected.
Further, the master control processing module be embedded microprocessor, the embedded microprocessor use withCortex-M3 is the STM32f103 chips of kernel.
Further, the communication module includes interface communication module and wireless communication module, the interface communication moduleFor RS-232 interface, the wireless communication module includes one or more in 3G, 4G, 5G, WiFi and bluetooth.
Further, the preposition pretreatment circuit includes signal amplification circuit, signal filter circuit and analog-to-digital conversion electricityRoad, the signal amplification circuit, signal filter circuit, analog to digital conversion circuit, master control processing module are sequentially connected.
Further, the locating module includes BDStar navigation system, GPS positioning system and wireless base station positioning systemIt is one or more in system.
Further, the abnormal alarm module includes loudspeaker sound warning circuit and LED flash warning circuit.
Further, the data disaply moudle is LCD liquid crystal displays.
Further, the function button module includes switching on and shutting down button, upper and lower turnover key and number lock button.
It should be noted that for each embodiment of the method above-mentioned, for simple description, therefore it is all expressed as to a systemThe combination of actions of row, but those skilled in the art should understand that, the application is not limited by the described action sequence, becauseFor according to the application, certain some step can be performed in other orders or simultaneously.Secondly, those skilled in the art also shouldKnow, embodiment described in this description belongs to preferred embodiment, involved action and unit not necessarily this ShenIt please be necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in some embodimentPart, may refer to the associated description of other embodiment.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be withRelevant hardware is instructed to complete by computer program, the program can be stored in computer read/write memory mediumIn, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium can be magneticDish, CD, ROM, RAM etc..
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainlyIt encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.