CN104269035A - Circuit working surface monitoring method based on wireless communication - Google Patents
Circuit working surface monitoring method based on wireless communication Download PDFInfo
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- CN104269035A CN104269035A CN201410523250.3A CN201410523250A CN104269035A CN 104269035 A CN104269035 A CN 104269035A CN 201410523250 A CN201410523250 A CN 201410523250A CN 104269035 A CN104269035 A CN 104269035A
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- 238000004891 communication Methods 0.000 title claims abstract description 69
- 238000012544 monitoring process Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 60
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 50
- 238000005553 drilling Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 9
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- 238000004458 analytical method Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 7
- 238000005065 mining Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 6
- 230000000007 visual effect Effects 0.000 abstract 1
- 239000011435 rock Substances 0.000 description 19
- 238000005516 engineering process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
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- 230000002860 competitive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
- G08B17/125—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions by using a video camera to detect fire or smoke
Abstract
The invention relates to a circuit working surface monitoring method based on wireless communication. The method comprises the steps of (1) providing a circuit working surface monitoring alarm system based on wireless communication, wherein the monitoring alarm system comprises multiple working surface detection platforms and a monitoring center, each working surface detection platform is arranged on the corresponding circuit working surface to detect multiple site parameters of the circuit working surface, and the monitoring center is in wireless connection with the multiple working surface detection platforms through a wireless communication network, monitors the corresponding circuit working surface according to the detection result of each working surface detection platform and gives an alarm; (2) conducting monitoring through the monitoring alarm system. By the adoption of the method, real-time monitoring alarm management can be achieved on all working surfaces of one circuit, different alarm strategies can me made according to the sizes of parameters of specific working surfaces, and more visual monitoring information can be provided for circuit operators.
Description
Technical field
The present invention relates to circuit supervision field, particularly relate to a kind of circuit working face method for supervising based on radio communication.
Background technology
In the process that circuit is laid, staff needs to carry out excavating and laying in underground, in confused situation owing to excavating front region, maximum to environmental disruption dynamics under circuit location, easy appearance landslide, the condition of a fire or gas density cross high unsafe condition, therefore by arranging various sensor at the scene, the various parameters of workplace are monitored, and arrange the inspection of quota personnel real-time live.
Therefore; need a kind of circuit working face method for supervising based on radio communication; the parameter of each workplace of same circuit is all sent to far-end; the judgement of various crisis is carried out by the computer equipment of far-end; and it is different according to the numerical value of parameter; send different warning messages, for operational administrative department provides more valuable monitor data.
Summary of the invention
In order to solve the problem, the invention provides a kind of circuit working face method for supervising based on radio communication, introduce the wireless monitoring management of cordless communication network realization to workplace detection platform multiple in same circuit, by to the image spot collection of each workplace detection platform and teleprocessing, determine whether each workplace detection platform place the condition of a fire occurs and whether field staff is not enough, and according to the numerical range at gas density place, realize different type of alarms stage by stage, for circuit operation department provides effective reference data, circuit operation department is facilitated to formulate suitable danger eliminating measure to the workplace detection platform that danger occurs in time.
According to an aspect of the present invention, provide a kind of circuit working face method for supervising based on radio communication, the method comprises: 1) provide the circuit working face monitoring and alarming system based on radio communication, described monitoring and alarming system comprises multiple workplace detection platform and a Surveillance center, each workplace detection platform is arranged on position, a circuit working face, for detecting multiple on-site parameters of corresponding circuits workplace, described Surveillance center and described multiple workplace detection platform are by cordless communication network wireless connections, testing result based on each workplace detection platform realizes monitoring and the warning of corresponding circuits workplace, and 2) use described monitoring and alarming system to monitor.
More specifically, described based in the circuit working face monitoring and alarming system of radio communication, described workplace detection platform also comprises multiple drilling hole stress sensor, is separately positioned on the zones of different at the mining stress field place in corresponding circuits workplace front, detects the stress value of respective region, stress data pretreater, is connected respectively with described multiple drilling hole stress sensor, based on the testing result of described multiple drilling hole stress sensor, determines and exports the position of the region of high stress in described mining stress field, the stress value of the region of high stress, methane Concentration Measurement instrument, for detecting the gas density in corresponding circuits workplace place air, image acquisition device, for gathering the scene image at corresponding circuits workplace place, image encoder, connects described image acquisition device, for described scene image compressed encoding, and output squeezing scene image, first flame proof wireless exchange board, be connected respectively with described stress data pretreater, described methane Concentration Measurement instrument and described image encoder, for being encapsulated in wireless communication data bag by the stress value of the position of the described region of high stress, the described region of high stress, described gas density or described compression scene image based on wireless communication protocol, in wireless communication data bag, be also packaged with the sequence number of workplace detection platform, first directional antenna, is connected with described first flame proof wireless exchange board, to be sent in cordless communication network by wireless communication data bag, described Surveillance center also comprises the second directional antenna, receives the wireless communication data bag in cordless communication network, second flame proof wireless exchange board, be connected with described second directional antenna, for wireless communication data bag is unpacked, to obtain the position of the described region of high stress, the stress value of the described region of high stress, described gas density or described compression scene image, and obtain the sequence number of each workplace detection platform, storer, for storing intended pixel gray threshold, personage's upper limit gray threshold, personage's lower limit gray threshold, presetting stress threshold, presetted pixel amount threshold and make a reservation for minimum personnel amount, image decoder, connects described second flame proof wireless exchange board with to described compression scene image decoding, obtains described scene image, image processing equipment, comprise fire analysis unit and person recognition unit, described fire analysis unit is connected respectively with described storer and described image decoder, the gray-scale value of each pixel in described scene image is compared with intended pixel gray threshold, calculate the pixel quantity that gray-scale value is more than or equal to intended pixel gray threshold, described person recognition unit is connected respectively with described storer and described image decoder, the pixel identification of gray-scale value in described scene image between personage's upper limit gray threshold and personage's lower limit gray threshold is formed personage's target image, calculate the quantity of personage's target image, digital signal processor, with described second flame proof wireless exchange board, described storer is connected respectively with described image processing equipment, when described gas density is greater than 1%, send gas cue, when described gas density is greater than 1.5%, send methane prediction signal, when described gas density is greater than 2%, send gas alarming signal, when described gas density is greater than 5%, send gas and be on the verge of shot break, when the stress value of the described region of high stress is greater than default stress threshold, send and impact low pressure alarming signal, when described pixel quantity is greater than presetted pixel amount threshold, send condition of a fire alerting signal, when the quantity of described personage's target image is less than or equal to predetermined minimum personnel amount, send on-the-spot shortage of staff's cue, LCDs, be connected with described digital signal processor, based on the sequence number of multiple workplace detection platform that described digital signal processor forwards, multi-channel image processor is realized by sequence number size order, the position of the region of high stress of a workplace detection platform is shown in each picture, the stress value of the region of high stress, gas density and scene image, and receiving gas cue, methane prediction signal, gas alarming signal, gas is on the verge of shot break, impact low pressure alarming signal, when condition of a fire alerting signal or on-the-spot shortage of staff's cue, real-time display and gas cue, methane prediction signal, gas alarming signal, gas is on the verge of shot break, impact low pressure alarming signal, the text prompt information of condition of a fire alerting signal or on-the-spot shortage of staff's cue difference correspondence, wherein, the described region of high stress is the region that in described multiple drilling hole stress sensor difference region, stress value is maximum, and the sequence number of each workplace detection platform is pre-stored in the first flame proof wireless exchange board of this workplace detection platform, described second flame proof wireless exchange board is also by described second directional antenna, by gas cue, methane prediction signal, gas alarming signal, gas is on the verge of shot break, impact low pressure alarming signal, condition of a fire alerting signal or on-the-spot shortage of staff's cue, and gas cue, methane prediction signal, gas alarming signal, gas is on the verge of shot break, impact low pressure alarming signal, the sequence number of condition of a fire alerting signal or the workplace detection platform corresponding to on-the-spot shortage of staff's cue, be sent to by cordless communication network in the LAN (Local Area Network) of monitoring management department or on the wireless communication terminal of monitoring management responsible official.
More specifically, described based in the circuit working face monitoring and alarming system of radio communication, described Surveillance center also comprises soundplay equipment, is on the verge of shot break, impacts low pressure alarming signal, condition of a fire alerting signal or on-the-spot shortage of staff's cue distinguish corresponding speech play file for playing in real time with gas cue, methane prediction signal, gas alarming signal, gas.
More specifically, described based in the circuit working face monitoring and alarming system of radio communication, described soundplay equipment is loudspeaker.
More specifically, described based in the circuit working face monitoring and alarming system of radio communication, described cordless communication network is WiFi cordless communication network.
More specifically, described based in the circuit working face monitoring and alarming system of radio communication, described workplace detection platform also comprises power-supply unit and reserve battery, described power-supply unit is used for providing AC127V to power for described workplace detection platform, and described reserve battery is used for providing standby power supply for described workplace detection platform.
More specifically, described based in the circuit working face monitoring and alarming system of radio communication, described Surveillance center also comprises power-supply unit and reserve battery, described power-supply unit is used for providing AC127V to power for described Surveillance center, and described reserve battery is used for providing standby power supply for described Surveillance center.
More specifically, described based in the circuit working face monitoring and alarming system of radio communication, the image acquisition device of described workplace detection platform is intrinsic safety type video camera.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram of the circuit working face monitoring and alarming system based on radio communication illustrated according to an embodiment of the present invention.
Fig. 2 is the block diagram of the image processing equipment of the Surveillance center of the circuit working face monitoring and alarming system based on radio communication illustrated according to an embodiment of the present invention.
Embodiment
Below with reference to accompanying drawings the embodiment of the circuit working face monitoring and alarming system based on radio communication of the present invention is described in detail.
Circuit working face wireless remote control system is circuit working face for subsurface geology complicated condition and work under bad environment and the wireless remote control system designed, such as, to the remote monitoring of coal-face.Switched wireless transmission technology and streaming Media Technology under employing circuit complex environment, build the wireless remote control system platform in circuit working face, effectively can solve circuit working face excavator and other equipment and cannot realize effective remote monitoring problem owing to moving frequent, realize immediately monitoring and the warning of various parameter, make up the deficiency of cable network, realize comprehensive covering of underground video surveillance network.
The construction of circuit working face wireless remote control system, energy General Promotion circuit enterprise safety operation level, especially to excavating the predicament that a field of line cannot realize effective monitoring at present, improving comprehensive strength and the competitive power of enterprise, realizing the target that underground monitoring covers simultaneously.To the production operation of supervision and management circuit employee, improve circuit safety guarantee, maintaining enterprise image has very large facilitation.
Adopt the circuit working face wireless remote control system comprising video monitoring, the quantity of dangerous work face workman can be reduced, to ensureing that the life security of circuit workman is significant.Introduce advanced infotech and network technology, play each side's advantage, promote the great-leap-forward development of circuit information, to the automatization level that the national circuit of raising is produced, there is important strategic importance.
Circuit working face monitoring and alarming system based on radio communication of the present invention, each key parameter of workplace can be obtained by transmission of radio links mode, obtain the operation video of workplace, and adopt the large digital signal processor of computing power to realize warning strategy stage by stage to each key parameter at far-end, and fire analysis and number of person analysis are performed, for the normal operation of circuit company provides safety curtain to operation video.
Fig. 1 is the block diagram of the circuit working face monitoring and alarming system based on radio communication illustrated according to an embodiment of the present invention, described monitoring and alarming system comprises n workplace detection platform 1 and a Surveillance center 3, n be greater than 1 natural number, can be the quantity in the whole circuit working faces under a circuit, each workplace detection platform 1 is arranged on position, a circuit working face, for detecting multiple on-site parameters of corresponding circuits workplace, described Surveillance center 3 and described multiple workplace detection platform 1 are by cordless communication network 2 wireless connections, testing result based on each workplace detection platform 1 realizes monitoring and the warning of corresponding circuits workplace, and monitoring and warning message are sent in the LAN (Local Area Network) 4 of monitoring management department or on the wireless communication terminal 5 of monitoring management responsible official.
Then, more specific description is carried out to the structure of the circuit working face monitoring and alarming system based on radio communication of the present invention.
In described monitoring and alarming system, described workplace detection platform 1 also comprises multiple drilling hole stress sensor, is separately positioned on the zones of different at the mining stress field place in corresponding circuits workplace front, detects the stress value of respective region; Stress data pretreater, is connected respectively with described multiple drilling hole stress sensor, based on the testing result of described multiple drilling hole stress sensor, determines and exports the position of the region of high stress in described mining stress field, the stress value of the region of high stress; Methane Concentration Measurement instrument, for detecting the gas density in corresponding circuits workplace place air.
Described workplace detection platform 1 also comprises image acquisition device, for gathering the scene image at corresponding circuits workplace place; Image encoder, connects described image acquisition device, for described scene image compressed encoding, and output squeezing scene image.
Described workplace detection platform 1 also comprises the first flame proof wireless exchange board, be connected respectively with described stress data pretreater, described methane Concentration Measurement instrument and described image encoder, for being encapsulated in wireless communication data bag by the stress value of the position of the described region of high stress, the described region of high stress, described gas density or described compression scene image based on wireless communication protocol, in wireless communication data bag, be also packaged with the sequence number of workplace detection platform; First directional antenna, is connected with described first flame proof wireless exchange board, to be sent in cordless communication network by wireless communication data bag.
In described monitoring and alarming system, described Surveillance center 3 also comprises the second directional antenna, receives the wireless communication data bag in cordless communication network; Second flame proof wireless exchange board, be connected with described second directional antenna, for wireless communication data bag is unpacked, to obtain the position of the described region of high stress, the stress value of the described region of high stress, described gas density or described compression scene image, and obtain the sequence number of each workplace detection platform.
Described Surveillance center 3 also comprises storer, for storing intended pixel gray threshold, personage's upper limit gray threshold, personage's lower limit gray threshold, presetting stress threshold, presetted pixel amount threshold and make a reservation for minimum personnel amount; Image decoder, connects described second flame proof wireless exchange board with to described compression scene image decoding, obtains described scene image.
As shown in Figure 2, described Surveillance center 3 also comprises image processing equipment, comprise fire analysis unit 6 and person recognition unit 7, described fire analysis unit 6 is connected respectively with described storer and described image decoder, the gray-scale value of each pixel in described scene image is compared with intended pixel gray threshold, calculate the pixel quantity that gray-scale value is more than or equal to intended pixel gray threshold, described person recognition unit 7 is connected respectively with described storer and described image decoder, the pixel identification of gray-scale value in described scene image between personage's upper limit gray threshold and personage's lower limit gray threshold is formed personage's target image, calculate the quantity of personage's target image.
Described Surveillance center 3 also comprises digital signal processor, with described second flame proof wireless exchange board, described storer is connected respectively with described image processing equipment, when described gas density is greater than 1%, send gas cue, when described gas density is greater than 1.5%, send methane prediction signal, when described gas density is greater than 2%, send gas alarming signal, when described gas density is greater than 5%, send gas and be on the verge of shot break, when the stress value of the described region of high stress is greater than default stress threshold, send and impact low pressure alarming signal, when described pixel quantity is greater than presetted pixel amount threshold, send condition of a fire alerting signal, when the quantity of described personage's target image is less than or equal to predetermined minimum personnel amount, send on-the-spot shortage of staff's cue.
Described Surveillance center 3 also comprises LCDs, be connected with described digital signal processor, based on the sequence number of multiple workplace detection platform that described digital signal processor forwards, multi-channel image processor is realized by sequence number size order, the position of the region of high stress of a workplace detection platform is shown in each picture, the stress value of the region of high stress, gas density and scene image, and receiving gas cue, methane prediction signal, gas alarming signal, gas is on the verge of shot break, impact low pressure alarming signal, when condition of a fire alerting signal or on-the-spot shortage of staff's cue, real-time display and gas cue, methane prediction signal, gas alarming signal, gas is on the verge of shot break, impact low pressure alarming signal, the text prompt information of condition of a fire alerting signal or on-the-spot shortage of staff's cue difference correspondence.
Wherein, the described region of high stress is the region that in described multiple drilling hole stress sensor difference region, stress value is maximum, and the sequence number of each workplace detection platform is pre-stored in the first flame proof wireless exchange board of this workplace detection platform.Described second flame proof wireless exchange board is also by described second directional antenna, by gas cue, methane prediction signal, gas alarming signal, gas is on the verge of shot break, impact low pressure alarming signal, condition of a fire alerting signal or on-the-spot shortage of staff's cue, and gas cue, methane prediction signal, gas alarming signal, gas is on the verge of shot break, impact low pressure alarming signal, the sequence number of condition of a fire alerting signal or the workplace detection platform corresponding to on-the-spot shortage of staff's cue, be sent to by cordless communication network in the LAN (Local Area Network) of monitoring management department or on the wireless communication terminal of monitoring management responsible official.
Wherein, in described monitoring and alarming system, described Surveillance center 3 can also comprise soundplay equipment, for playing and gas cue in real time, methane prediction signal, gas alarming signal, gas is on the verge of shot break, impact low pressure alarming signal, the speech play file of condition of a fire alerting signal or on-the-spot shortage of staff's cue difference correspondence, described soundplay equipment is chosen as loudspeaker, described cordless communication network can select WiFi cordless communication network, each workplace detection platform 1 also can comprise power-supply unit and reserve battery, described power-supply unit is used for providing AC127V to power for described workplace detection platform 1, described reserve battery is used for providing standby power supply for described workplace detection platform 1, described Surveillance center 3 also can comprise power-supply unit and reserve battery, described power-supply unit is used for providing AC127V to power for described Surveillance center 3, described reserve battery is used for providing standby power supply for described Surveillance center 3.The image acquisition device of described workplace detection platform can select intrinsic safety type video camera.
In addition, in the present invention, by the cooperating of multiple drilling hole stress sensor and methane Concentration Measurement instrument, realize the detection to the rock burst of side in face of circuit working.Rock burst, also claims rock burst, occurs in mining site and is generally rock burst, occur in rock stratum and cry rock burst.He is the elastic deformation potential energy fierce suddenly release under certain condition built up in a kind of rock mass, causes rock to burst and the phenomenon ejected.Slight rock burst only peels off sliver, and without launching phenomenon, the serious earthquake magnitude measuring 4.6 grades, earthquake intensity reaches 7-8 degree, and surface structures is wrecked, and with the very large sound.Rock burst can occur suddenly moment, also can continue several days to some months.The condition that rock burst occurs has higher terrestrial stress in rock mass, and exceed the intensity of rock itself, rock has higher brittleness degree and elasticity simultaneously, under these conditions, once underground project activity destroys the original equilibrium state of rock mass, the fault offset gathered in rock mass will cause the rock failure mechanism of rock, and is dished out by fractured rock.Great potential safety hazard is caused to the exploitation of mineral products.
In addition, WiFi, be the technology that the terminals such as PC, handheld device (as PDA, mobile phone) can wirelessly be connected to each other by one, in fact he is a high frequency radio signal.Wireless Fidelity is the brand of a wireless network communication technique, held by WiFi alliance.Object be improve based on IEEE802.11 standard Wi-Fi product between intercommunity.Current common people can lump WiFi and IEEE802.11 together.Even Wi-Fi is equal to wireless the Internet networking.
Wireless network refers to " Wireless Fidelity " at the category of WLAN (wireless local area network), is in fact a kind of commercial verification, and be also a kind of Wireless networking technologies, connected computer by netting twine in the past, Wireless Fidelity is then networked by radiowave simultaneously; Common is exactly a wireless router, the effective range so covered at the electric wave of this wireless router can adopt Wireless Fidelity connected mode to network, if wireless router is connected to an adsl line or other online circuit, be then otherwise known as focus.
Adopt the circuit working face monitoring and alarming system based on radio communication of the present invention, the technical matters lower for available circuit workplace monitoring and alarming system monitoring intelligentization, monitor staff is too much, introduce the fast transport that cordless communication network realizes field data, the mode of images steganalysis is adopted to carry out the identification of the condition of a fire and personage, adopt strategy of reporting to the police by different level so that operating personnel understand field conditions more accurately, for each workplace of circuit provides effective monitoring, thus ensure the normal operation of circuit company.
Be understandable that, although the present invention with preferred embodiment disclose as above, but above-described embodiment and be not used to limit the present invention.For any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (8)
1., based on a circuit working face method for supervising for radio communication, the method comprises:
1) the circuit working face monitoring and alarming system based on radio communication is provided, described monitoring and alarming system comprises multiple workplace detection platform and a Surveillance center, each workplace detection platform is arranged on position, a circuit working face, for detecting multiple on-site parameters of corresponding circuits workplace, described Surveillance center and described multiple workplace detection platform are by cordless communication network wireless connections, and the testing result based on each workplace detection platform realizes monitoring and the warning of corresponding circuits workplace; And
2) use described monitoring and alarming system to monitor.
2. the method for claim 1, is characterized in that:
Described workplace detection platform also comprises:
Multiple drilling hole stress sensor, is separately positioned on the zones of different at the mining stress field place in corresponding circuits workplace front, detects the stress value of respective region;
Stress data pretreater, is connected respectively with described multiple drilling hole stress sensor, based on the testing result of described multiple drilling hole stress sensor, determines and exports the position of the region of high stress in described mining stress field, the stress value of the region of high stress;
Methane Concentration Measurement instrument, for detecting the gas density in corresponding circuits workplace place air;
Image acquisition device, for gathering the scene image at corresponding circuits workplace place;
Image encoder, connects described image acquisition device, for described scene image compressed encoding, and output squeezing scene image;
First flame proof wireless exchange board, be connected respectively with described stress data pretreater, described methane Concentration Measurement instrument and described image encoder, for being encapsulated in wireless communication data bag by the stress value of the position of the described region of high stress, the described region of high stress, described gas density or described compression scene image based on wireless communication protocol, in wireless communication data bag, be also packaged with the sequence number of workplace detection platform;
First directional antenna, is connected with described first flame proof wireless exchange board, to be sent in cordless communication network by wireless communication data bag;
Described Surveillance center also comprises:
Second directional antenna, receives the wireless communication data bag in cordless communication network;
Second flame proof wireless exchange board, be connected with described second directional antenna, for wireless communication data bag is unpacked, to obtain the position of the described region of high stress, the stress value of the described region of high stress, described gas density or described compression scene image, and obtain the sequence number of each workplace detection platform;
Storer, for storing intended pixel gray threshold, personage's upper limit gray threshold, personage's lower limit gray threshold, presetting stress threshold, presetted pixel amount threshold and make a reservation for minimum personnel amount;
Image decoder, connects described second flame proof wireless exchange board with to described compression scene image decoding, obtains described scene image;
Image processing equipment, comprise fire analysis unit and person recognition unit, described fire analysis unit is connected respectively with described storer and described image decoder, the gray-scale value of each pixel in described scene image is compared with intended pixel gray threshold, calculate the pixel quantity that gray-scale value is more than or equal to intended pixel gray threshold, described person recognition unit is connected respectively with described storer and described image decoder, the pixel identification of gray-scale value in described scene image between personage's upper limit gray threshold and personage's lower limit gray threshold is formed personage's target image, calculate the quantity of personage's target image,
Digital signal processor, with described second flame proof wireless exchange board, described storer is connected respectively with described image processing equipment, when described gas density is greater than 1%, send gas cue, when described gas density is greater than 1.5%, send methane prediction signal, when described gas density is greater than 2%, send gas alarming signal, when described gas density is greater than 5%, send gas and be on the verge of shot break, when the stress value of the described region of high stress is greater than default stress threshold, send and impact low pressure alarming signal, when described pixel quantity is greater than presetted pixel amount threshold, send condition of a fire alerting signal, when the quantity of described personage's target image is less than or equal to predetermined minimum personnel amount, send on-the-spot shortage of staff's cue,
LCDs, be connected with described digital signal processor, based on the sequence number of multiple workplace detection platform that described digital signal processor forwards, multi-channel image processor is realized by sequence number size order, the position of the region of high stress of a workplace detection platform is shown in each picture, the stress value of the region of high stress, gas density and scene image, and receiving gas cue, methane prediction signal, gas alarming signal, gas is on the verge of shot break, impact low pressure alarming signal, when condition of a fire alerting signal or on-the-spot shortage of staff's cue, real-time display and gas cue, methane prediction signal, gas alarming signal, gas is on the verge of shot break, impact low pressure alarming signal, the text prompt information of condition of a fire alerting signal or on-the-spot shortage of staff's cue difference correspondence,
Wherein, the described region of high stress is the region that in described multiple drilling hole stress sensor difference region, stress value is maximum, and the sequence number of each workplace detection platform is pre-stored in the first flame proof wireless exchange board of this workplace detection platform;
Wherein, described second flame proof wireless exchange board is also by described second directional antenna, by gas cue, methane prediction signal, gas alarming signal, gas is on the verge of shot break, impact low pressure alarming signal, condition of a fire alerting signal or on-the-spot shortage of staff's cue, and gas cue, methane prediction signal, gas alarming signal, gas is on the verge of shot break, impact low pressure alarming signal, the sequence number of condition of a fire alerting signal or the workplace detection platform corresponding to on-the-spot shortage of staff's cue, be sent to by cordless communication network in the LAN (Local Area Network) of monitoring management department or on the wireless communication terminal of monitoring management responsible official.
3. method as claimed in claim 2, is characterized in that:
Described Surveillance center also comprises soundplay equipment, is on the verge of shot break, impacts low pressure alarming signal, condition of a fire alerting signal or on-the-spot shortage of staff's cue distinguish corresponding speech play file for playing in real time with gas cue, methane prediction signal, gas alarming signal, gas.
4. method as claimed in claim 3, is characterized in that:
Described soundplay equipment is loudspeaker.
5. method as claimed in claim 2, is characterized in that:
Described cordless communication network is WiFi cordless communication network.
6. method as claimed in claim 2, is characterized in that:
Described workplace detection platform also comprises power-supply unit and reserve battery, and described power-supply unit is used for providing AC 127V to power for described workplace detection platform, and described reserve battery is used for providing standby power supply for described workplace detection platform.
7. method as claimed in claim 2, is characterized in that:
Described Surveillance center also comprises power-supply unit and reserve battery, and described power-supply unit is used for providing AC 127V to power for described Surveillance center, and described reserve battery is used for providing standby power supply for described Surveillance center.
8. method as claimed in claim 2, is characterized in that:
The image acquisition device of described workplace detection platform is intrinsic safety type video camera.
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| CN201410523250.3A CN104269035B (en) | 2014-10-02 | 2014-10-02 | A kind of circuit working face based on radio communication monitoring method |
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| CN201410523250.3A CN104269035B (en) | 2014-10-02 | 2014-10-02 | A kind of circuit working face based on radio communication monitoring method |
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| CN104269035B CN104269035B (en) | 2016-08-17 |
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| CN201410523250.3A Active CN104269035B (en) | 2014-10-02 | 2014-10-02 | A kind of circuit working face based on radio communication monitoring method |
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| CN104269035B (en) | 2016-08-17 |
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