CN203118163U - Safety defensive system based on audio signal - Google Patents
Safety defensive system based on audio signal Download PDFInfo
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- CN203118163U CN203118163U CN2013200484547U CN201320048454U CN203118163U CN 203118163 U CN203118163 U CN 203118163U CN 2013200484547 U CN2013200484547 U CN 2013200484547U CN 201320048454 U CN201320048454 U CN 201320048454U CN 203118163 U CN203118163 U CN 203118163U
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Abstract
The utility model relates to a safety defensive system based on an audio signal comprising an audio transceiving device, a sensing device, a remote computer, and an on-site alarming device. The audio transceiving device is disposed on a heavy construction device, and at the same time, the sensing device is worn by a constructor. The audio transceiving device can be used to transmitt the audio signal outwards in a real-time manner, and a covering radius of the audio signal can be limited in an N-meter non-safety area of the heavy construction device. When the constructor enters the non-safety area, and stays for a long time, the sensing device can be triggered after receiving the audio signal, and can be used to return the audio signal provided with a unique ID number to the audio transceiving device, and then the remote computer can be used to determine whether the on-site alarming device can be started after receiving the abnormal information. The safety defensive system is advantageous in that the safety defensive system has a simple structure, and is low in costs, and can be used for the real-time comprehensive monitoring of the situations in the non-safety area around the heavy construction device, and can be used to prevent the personnel damages effectively.
Description
Technical field
The utility model belongs to engineering construction safety early warning field, is specifically related to a kind of for the defence system based on sound signal on the heavy construction equipment.
Background technology
Fast development along with national equipment manufacture, in the construction construction of different kinds of roads, bridge and building construction, and in industry fields such as the production of heavy industrial product and transportation, all can't do without the figure of various heavy construction equipments, for example crane, tower crane, excavator, windlass, ram engine etc.Because no matter above-mentioned various heavy construction equipment bulky are that toppling of rope fracture or preparation of construction taken place, and all will cause serious casualties and property economic loss in the construction area.
In order to ensure the safety at construction operation scene, the technician improves the performance of heavy construction equipment product own on the one hand, improves its load capacity and increases the overload warning device, reduces the situation that rope fracture or equipment overturn; On the other hand, the strong safety guarantee of the on-the-spot implementation of construction operation, by methods such as security official's tour, project supervision, engineering surveys, but existing problems are transmitted in each side's information source, compare of analysis, the statistics of holding a conference or consultation, safe early warning and order.
Patent (CN 201392471 Y) discloses " a kind of engineering construction safety pre-warning device based on field digital visual difference ", this device utilize the working-yard video camera, wireless telecommunications device and computer realization the spot radio of intelligent collection, wireless transmission and security information, the intelligence fixed point that has solved the engineering safety data is gathered and the feedback of site safety information.Though this scheme has realized the intelligent acquisition of construction operation field data, but the image that needs artificial Real Time Observation video camera to be gathered back, time and effort consuming, neglect unavoidably, can't prevent fully that the idler from entering the below of working-yard or heavy construction equipment, cause meaningless casualties when avoiding preparation of construction to have an accident.
Therefore those skilled in the art is badly in need of a kind of defence system that can effectively prevent the on-the-spot generation of construction operation casualties.
Summary of the invention
The purpose of this utility model is according to above-mentioned the deficiencies in the prior art part, a kind of defence system based on sound signal is provided, this defence system is by arranging the audio frequency R-T unit at heavy construction equipment, and its sound signal of launching only is covered in the non-safety zone of heavy construction equipment or the method by the audio frequency range finding, whether there is the workmen to swarm into purpose in this non-safety zone to reach real-time monitoring.
The utility model purpose realizes being finished by following technical scheme:
A kind of defence system based on sound signal relates to the heavy construction equipment of working-yard, it is characterized in that described defence system comprises audio frequency R-T unit, awareness apparatus and remote computer; Described audio frequency R-T unit is installed on the described heavy construction equipment, and described awareness apparatus is worn on workmen's the safety helmet or between waist; Described audio frequency R-T unit is made of processor, radiating circuit and middle shifting circuit, and described radiating circuit comprises note amplifier and audio frequency transmitter unit, and described middle shifting circuit comprises microphone and radio network device; Wherein said radiating circuit is for sending sound signal to described awareness apparatus, and described middle shifting circuit also sends to described remote computer by described radio network device for the sound signal that the described awareness apparatus of reception feeds back to; Described awareness apparatus is made of microphone, timing module and audio frequency transmitter unit.
Described sound signal can be sound wave or ultrasound wave.
Described remote computer links to each other with a warning device.
Be provided with a storer in the timing module of described awareness apparatus, described store memory contains the unique ID number of this awareness apparatus, simultaneously in described remote computer, have database, include in the described database ID separately number of all workmens, essential information with and affiliated engineering information.
Described audio frequency transmitter unit is an electroacoustic transducer.
The utility model has the advantages that, defence system constitutes simple, can monitor the situation in the non-safety zone around the heavy construction equipment in real time all sidedly, monitoring dead angle and the manpower of avoiding manual inspection to cause are wasted the casualties that causes when effectively avoiding heavy construction equipment to have an accident; The awareness apparatus manufacturing cost is lower simultaneously, is easy to carry, and is fit to large-scale promotion and uses.
Description of drawings
Fig. 1 is the formation block diagram of defence system in the utility model;
Fig. 2 is arranged at structural representation on the heavy construction equipment for defence system in the utility model.
Embodiment
Feature of the present utility model and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that technician's of the same trade understanding:
As Fig. 1-2, mark 1-4 is respectively among the figure: audio frequency R-T unit 1, awareness apparatus 2, non-safe construction zone 3, heavy construction equipment 4.
Embodiment 1: as illustrated in fig. 1 and 2, present embodiment relates to a kind of defence system based on sound signal, is used for whether having stayed irrelevant idler in monitoring heavy construction equipment 4 peripheral regions, to prevent the generation of personnel casualty accidents.This defence system comprises audio frequency R-T unit 1, awareness apparatus 2, remote computer and warning device, intercourse by sound signal between its sound intermediate frequency R-T unit 1 and the awareness apparatus 2 and receive and send messages, remote computer then is used for receiving the data that 1 monitoring of audio frequency R-T unit is gathered by wireless network, and whether the warning device at remote control construction operation scene report to the police, and the sound signal of wherein addressing can be sound wave or ultrasound wave.
As shown in Figure 1, the audio frequency R-T unit is made of processor, radiating circuit and middle shifting circuit and is packaged in the box body, and this radiating circuit comprises note amplifier and audio frequency transmitter unit, and shifting circuit comprises radio network device and microphone in this.Awareness apparatus specifically is made of microphone, timing module and audio frequency transmitter unit, and each awareness apparatus all has its unique ID sign indicating number, and this ID sign indicating number specifically is stored in the interior storer of timing module.Simultaneously in remote computer, have database, the sign indicating number of ID separately, essential information that includes the workmen in this database with and affiliated engineering information.The audio frequency transmitter unit of wherein addressing is an electroacoustic transducer, can be electro-acoustic conversion devices such as electromagnetic loudspeaker, piezo buzzer, piezo-electric loudspeaker, electrostatic loudspeaker.
As shown in Figure 1, 2, the concrete application process of safety defence system is as follows:
1. at first audio frequency R-T unit 1 is installed on the heavy construction equipment 4, specifically is installed on where deciding on the classification of machine of heavy construction equipment 4, be installed on its suspension hook usually or on the truss; Afterwards awareness apparatus 2 is distributed to each workmen, specifically can be fixed on its safety helmet or be worn between waist; Link to each other with remote computer simultaneously at the on-the-spot warning device of laying of construction operation, and by netting twine or wireless network;
2. start described each unit member thereafter, make each unit member be in the real-time working state.The processor that is installed in the audio frequency R-T unit 1 on the heavy construction equipment 4 is modulated to default digital signal on the sound signal of certain frequency by internal arithmetic, and with I/O mouth or the D/A conversion mouthful output of this signal that modulates by self, note amplifier receives this signal that modulates and it is amplified output afterwards, in order to promote the outside audio signals of audio frequency transmitter unit; Sound signal after wherein note amplifier will be modulated is amplified and is finally realized recommending output by the mos pipe;
3. be non-safety zone 3 in the 3m radius centered by the suspension hook of heavy construction equipment 4, the workmen who hangs out in this non-safety zone 3 is all dangerous; By note amplifier the sound signal of audio frequency transmitter unit just in time is covered in this non-safety zone 3;
4. when the workmen enters non-safety zone 3, the microphones in the awareness apparatus 2 that the workmen wears on one's body will be received the sound signal in this zone, and meanwhile, the timing module in it picks up counting, in order to calculate the time that continues received audio signal:
If the microphone in the awareness apparatus continues the time of received audio signal and is shorter than default value residence time, show that then this workmen just also immediately leaves by way of non-safety zone 3, do not have potential safety hazard, the warning device that therefore is arranged at the construction operation scene is not reported to the police;
If the microphone in the awareness apparatus continues the time of received audio signal and is longer than default value residence time, show that this workmen hangs out in the non-safety zone 3 for a long time, there is potential safety hazard at this moment in the timing module judgement, send the sound signal that has ID information to connected audio frequency transmitter unit, outwards launch by this audio frequency transmitter unit afterwards; Thereafter the microphone that is arranged in the audio frequency R-T unit 1 receives the sound signal that this has ID sign indicating number information, by connected processor with this audio signal decoding, and send to remote computer by radio network device, remote computer calls the bist data storehouse after receiving this ID sign indicating number, inquire about the corresponding workmen's information of this ID sign indicating number, whether have the authority that enters in the non-safety zone 3 to determine it; If have, then warning device is not reported to the police; If lack of competence, then the remote computer very first time starts on-the-spot warning device and sends buzzing and speed away in the non-safety zone 3 of heavy construction equipment 4 to warn this workmen, and expatriate personnel confirm whether the potential safety hazard at construction operation scene discharges in the Control Room simultaneously.
Present embodiment can effectively be got rid of the potential safety hazard of working-yard, and monitoring in real time avoids the heavy construction equipment below that personnel casualty accidents takes place.
Embodiment 2: as shown in Figure 1, 2, the safety defence system reaches the purpose of monitoring in real time by the method for sound signal range finding in non-safety zone, and concrete steps are as follows:
1. at first audio frequency R-T unit 1 is installed on the heavy construction equipment 4, specifically is installed on where deciding on the classification of machine of heavy construction equipment 4, be installed on its suspension hook usually or on the truss; Afterwards awareness apparatus 2 is distributed to each workmen, specifically can be fixed on its safety helmet or be worn between waist; Link to each other with remote computer simultaneously at the on-the-spot warning device of laying of construction operation, and by netting twine or wireless network;
2. be non-safety zone 3 in the 3m radius centered by the suspension hook of heavy construction equipment 4, the workmen who hangs out in this non-safety zone 3 is all dangerous;
3. start above-mentioned each unit member thereafter, make each unit member be in the real-time working state; The processor that is arranged in the audio frequency R-T unit 1 on the heavy construction equipment 4 is modulated into sound signal by internal arithmetic with digital signal, the every interval of this sound signal that modulates was outwards launched this sound signal by note amplifier amplification and output in order to promote the audio frequency transmitter unit in 2 seconds;
4. be in each workmen of working-yard, microphone in its awareness apparatus of wearing on one's body 2 receives this sound signal and the microphone in the reflected back audio frequency R-T unit 1 at once, this sound signal of processor for recording in it comes and goes the time that spends, and calculates distance between audio frequency R-T unit 1 and the awareness apparatus 2 according to the velocity of propagation of sound signal afterwards:
If the distance between awareness apparatus 2 and the audio frequency R-T unit 1 then shows workmen's real time position not in the non-safety zone 3 that heavy construction equipment 4 delimited greater than 3m, the warning device that is arranged at the working-yard is not reported to the police;
If the distance between awareness apparatus 2 and the audio frequency R-T unit 1 is less than 3m, the real time position that then shows the workmen is in the non-safety zone 3 that heavy construction equipment 4 delimit, there is potential safety hazard, when therefore audio frequency R-T unit 1 sends sound signal at the interval after 2 seconds again, the numerical information that will have ID sign indicating number request instruction by the processor in it is modulated into sound signal, this sound signal that modulates outwards sends by the audio frequency transmitter unit, microphone in the awareness apparatus 2 receives the sound signal that this has ID sign indicating number request instruction afterwards, audio frequency transmitter unit in the awareness apparatus 2 calls the unique ID sign indicating number that is stored in the timing module thereafter, and outside emission has the sound signal of unique ID sign indicating number, the microphone that is arranged in the audio frequency R-T unit 1 receives the sound signal that this has ID sign indicating number information, by connected processor with this audio signal decoding, and send to remote computer by radio network device, remote computer calls the bist data storehouse after receiving this ID sign indicating number, inquire about the corresponding workmen's information of this ID sign indicating number, whether have the authority that enters in the non-safety zone 3 to determine it; If have, then warning device is not reported to the police; If lack of competence, then the remote computer very first time starts on-the-spot warning device and sends buzzing and speed away in the non-safety zone 3 of heavy construction equipment 4 to warn this workmen, and expatriate personnel confirm whether the potential safety hazard at construction operation scene discharges in the Control Room simultaneously.
Claims (4)
1. defence system based on sound signal is used for the heavy construction equipment of working-yard, it is characterized in that described defence system comprises audio frequency R-T unit, awareness apparatus and remote computer; Described audio frequency R-T unit is installed on the described heavy construction equipment, and described awareness apparatus is worn on workmen's the safety helmet or between waist; Described audio frequency R-T unit is made of processor, radiating circuit and middle shifting circuit, and described radiating circuit comprises note amplifier and audio frequency transmitter unit, and described middle shifting circuit comprises microphone and radio network device; Wherein said radiating circuit is for sending sound signal to described awareness apparatus, and described middle shifting circuit also sends to described remote computer by described radio network device for the sound signal that the described awareness apparatus of reception feeds back to; Described awareness apparatus is made of microphone, timing module and audio frequency transmitter unit.
2. a kind of defence system based on sound signal according to claim 1 is characterized in that described sound signal can be sound wave or ultrasound wave.
3. a kind of defence system based on sound signal according to claim 1 is characterized in that described remote computer links to each other with a warning device.
4. a kind of defence system based on sound signal according to claim 1 is characterized in that described audio frequency transmitter unit is an electroacoustic transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200484547U CN203118163U (en) | 2013-01-30 | 2013-01-30 | Safety defensive system based on audio signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200484547U CN203118163U (en) | 2013-01-30 | 2013-01-30 | Safety defensive system based on audio signal |
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| Publication Number | Publication Date |
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| CN203118163U true CN203118163U (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013200484547U Withdrawn - After Issue CN203118163U (en) | 2013-01-30 | 2013-01-30 | Safety defensive system based on audio signal |
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| CN (1) | CN203118163U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103116963A (en) * | 2013-01-30 | 2013-05-22 | 上海城建市政工程（集团）有限公司 | Security system based on audio signals and application method of security system |
| CN107645334A (en) * | 2017-08-16 | 2018-01-30 | 上海科泰信息技术有限公司 | A kind of cruising inspection system |
-
2013
- 2013-01-30 CN CN2013200484547U patent/CN203118163U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103116963A (en) * | 2013-01-30 | 2013-05-22 | 上海城建市政工程（集团）有限公司 | Security system based on audio signals and application method of security system |
| CN103116963B (en) * | 2013-01-30 | 2015-03-18 | 上海城建市政工程（集团）有限公司 | Security system based on audio signals and application method of security system |
| CN107645334A (en) * | 2017-08-16 | 2018-01-30 | 上海科泰信息技术有限公司 | A kind of cruising inspection system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130807 Effective date of abandoning: 20150318 |
|
| RGAV | Abandon patent right to avoid regrant |