A kind of real-time monitoring system and application process thereof based on RFID safety cap
Technical field
The invention belongs to construction safety field, be specifically related to a kind of for job site based on RFID safety cap in real timeMonitoring system and application process thereof.
Background technology
Along with the continuous increase of civil engineering project, building, the civil engineering number of entry yet to be built is very large, the construction safety of civil engineering projectProblem and personnel management problem seem more and more outstanding, especially the major project such as tunnel. In Tunnel Engineering construction mistakeCheng Zhong, Safety Management is the emphasis of construction unit in charge of construction, construction unit, the concern of implementation management department. Tunnel construction sitePersonal security management become the important topic of safety for tunnel engineering management. In recent years, safety for tunnel engineering accident happened occasionally,Great casualties and economic loss are caused, for preventing the generation of constructing tunnel personal safety accident, to safety for tunnel engineeringThe research of management is very important, and also has huge economic benefit and social effect.
There are three large features at the tunnel construction of building: the one, construction scale is large, and simultaneously operation side is many, construction unit and buildingIf it is exhaustive that the manpower and materials of administrative department are difficult to ensure; The 2nd, the construction period is short, for meeting schedule requirement, has increased constructionPersonnel, and corresponding safety manager does not increase; The 3rd, a large amount of use rural migrant workers in construction, peopleware is relatively on the low side,Construction experience deficiency, awareness of safety is thin; The 4th, in construction, there is the phenomenons such as workmen mutually visits others during work hours after slipping away from one's post, leaves the post, personnel managementPersonnel's work attendance of cannot being in the action. Because workmen's self diathesis is uneven, the personnel that awareness of safety is poor, the constraint of selfPower is relatively poor, and these personnel tunnel of probably arbitrarily coming in and going out is swarmed in non-security construction area by mistake, brings not to construction safetyNecessary trouble. Aspect personal management, be to adopt the mode of listing traditionally, rely on the personnel that manually manage the tunnel of coming in and going out,Vehicle, in the process of implementation, because carelessness, human feelings relation etc. cause and carry out ineffectively, workmen's management is difficult to handle properly.
For above-mentioned phenomenon, the more employing wireless location system of the construction building unit of this area, by workmenWear radio positioner with it with its geographical position of Real-time Obtaining. In the time of work although wear above-mentioned radio positionerBetween, but this navigation system can Real-time Obtaining and records workmen's historical movement track, have no hidden for workmenPrivate can say, and this wireless location system cannot play the forewarning function of gate inhibition and deathtrap, therefore can not play realitySafety management effect in matter.
Therefore those skilled in the art be badly in need of one can play real-time monitoring, safety management can reach again respect constructionThe technical scheme of personnel's privacy.
Summary of the invention
The object of the invention is according to above-mentioned the deficiencies in the prior art part, provide a kind of based on RFID safety cap in real timeMonitoring system, this real-time monitoring system by arranging the RFID read-write of transmitting different radio frequency signal frequency in difference construction work areaDevice, in order to carry out frequency verifying and communication with the safety cap that is provided with RFID electronic tag, so that remote computer is realWhether time obtains workmen and under it, constructs in work area, and enters in workmen swarms into non-security construction work area by mistake timeRow alarm.
The object of the invention realizes and being completed by following technical scheme:
Based on a real-time monitoring system for RFID safety cap, specifically for job site, it is characterized in that described systemFormed by the safety cap, rfid interrogator and the remote computer that are provided with RFID electronic tag; Described job site is divided intoThe construction work area of some different sizes arranges rfid interrogator, the radio frequency of described rfid interrogator in described each construction work areaSignal covering radius is limited in its residing construction work area, and the described rfid interrogator being wherein arranged in each construction work area is sent outThe radio frequency signal frequency of penetrating is different.
Described RFID electronic tag has unique No. ID, is provided with workmen in described RFID electronic tag simultaneouslyEssential information and affiliated engineering information thereof.
The porch of described job site is provided with rfid interrogator.
The radio frequency signal frequency that the RFID electronic tag that described workmen wears receives is divided into adaptive frequency and abnormalTwo kinds of frequencies, described adaptive frequency specifically comprises the rfid interrogator transmitting in affiliated construction work area, described workmen work positionRadio frequency signal frequency and be arranged on the radio frequency signal frequency that the rfid interrogator of porch, described job site is launched, instituteState abnormal frequency and be specially the radio frequency that the rfid interrogator in affiliated construction work area, non-this workmen work position is launchedSignal frequency.
In described rfid interrogator, be provided with wireless network module in order to transmission information between described remote computer.
In described remote computer, have database, the essential information that described database comprises all workmens and eachEngineering information under workmen.
An application process for real-time monitoring system based on RFID safety cap, it is characterized in that described monitoring system forGate inhibition's checking of porch, job site, concrete steps are as follows: when workmen wears the safety that is provided with RFID electronic tagWhen cap arrives the porch of described job site, described RFID electronic tag receives the radio frequency letter of described rfid interrogator transmittingNumber and this radio frequency signal frequency is verified to whether be adaptive frequency; If the radio frequency signal frequency receiving is this RFID electronicsThe adaptive frequency of label, described RFID electronic tag sends its unique No. ID, institute to the rfid interrogator of described porchStating rfid interrogator will send to remote computer by described wireless network module after described No. ID decoding receiving, described inRemote computer is by the received workmen's information corresponding in bist data storehouse of calling for No. ID, to determine this constructionWhether personnel have the authority that enters described job site, let pass in described porch if having.
An application process for real-time monitoring system based on RFID safety cap, it is characterized in that described monitoring system forWorkmen's work attendance, concrete steps are as follows: when workmen enters behind described job site, the safety that workmen wearsRFID electronic tag on cap starts to receive the radiofrequency signal that in its real-time construction of living in work area, rfid interrogator sends, described inRFID electronic tag is verified received radio frequency signal frequency; If received radio frequency signal frequency is frequently adaptiveRate, in the construction work area of the real time position that shows this workmen under its post, described RFID electronic tag is to instituteThe rfid interrogator of stating in construction work area sends its unique No. ID, and described rfid interrogator is by described No. ID decoding receivingSend to remote computer by described wireless network module afterwards, described remote computer is by received calling for No. IDCorresponding workmen's information in database construction, records its residing construction work area and time, examines in order to follow-up occurrences in human lifeDiligent; If received radio frequency signal frequency is abnormal frequency, show that this workmen's real time position is in non-its postIn affiliated construction work area, described RFID electronic tag refusal is set up to the rfid interrogator transmission information in this construction work areaContact, now shows this RFID electronic tag of No. ID in off-line state also in the bist data storehouse on described remote computerRecord duration.
An application process for real-time monitoring system based on RFID safety cap, it is characterized in that described monitoring system forWorkmen swarms into the early warning in non-security construction work area by mistake, and concrete steps are as follows: when workmen swarms into non-security by mistakeIn construction work area time, the RFID electronic tag on the safety cap that workmen wears is by the RFID receiving in this construction work areaThe radiofrequency signal that read write line sends, described RFID electronic tag verify described radio frequency signal frequency belong to abnormal frequency itAfter, being arranged on rfid interrogator in non-security construction work area and sending No. ID to described, described rfid interrogator will receiveAfter described No. ID decoding, send to remote computer by wireless network module, described remote computer is by received IDNumber call workmen's information corresponding in bist data storehouse, to determine whether this workmen enters described non-security executingAuthority in work work area, reminds this construction to the buzzer transmission instruction being arranged in described non-security construction work area if do not havePersonnel speed away.
Advantage of the present invention is, RFID electronic tag is arranged on safety cap, carries convenient cost low; The system of monitoring in real timeSystem composition is simple, and each RFID electronic tag is equipped with unique ID code, and encryption is good; Can be used as job site gate inhibition and use, preventionUnrelated person without fixed duties enters job site; Can know in real time that workmen whether in affiliated construction work area, conveniently carries out peopleWhen thing attendance management, respect workmen's privacy; This real-time monitoring system also can be to swarm into executing of non-security construction area by mistakeWorkman person carries out alarm to remind it to speed away, and safety management efficiency is high, minimizing personnel spending.
Brief description of the drawings
Fig. 1 is horizontal layout schematic diagram of the present invention;
Fig. 2 is the helmet structure schematic diagram that is provided with RFID electronic tag in the present invention.
Detailed description of the invention
Feature of the present invention and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, withBe convenient to technical staff's of the same trade understanding:
As Fig. 1-2, in figure, mark 1-9 is respectively: construction work area 1, rfid interrogator 2, construction work area 3, non-security constructionWork area 4, construction work area 5, construction work area 6, porch 7, safety cap 8, RFID electronic tag 9.
Embodiment: as shown in Figure 1, 2, the present embodiment be specifically related to a kind of real-time monitoring system based on RFID safety cap andIts application process, this system such as specifically can be used in tunnel, excavation of foundation pit scene, skyscraper at the construction site. This system toolBody is made up of the safety cap 8, rfid interrogator 2, the remote computer that are provided with RFID electronic tag 9, in rfid interrogator 2, arrangesThere is wireless network module in order to same remote computer transmission information. Due to engineering project progress and construction operation content notWith, therefore job site is divided into some regions, i.e. porch 7, construction work area 1, construction work area 3, construction work area 5, constructionWork area 6 and non-security construction work area 4 are provided with rfid interrogator 2 in above-mentioned each construction work area and porch 7,Rfid interrogator 2 reads the interior institute of RFID electronic tag 9 canned data for outside emitting radio frequency signal reception, but RFIDThe radiofrequency signal covering radius that read write line 2 is outwards launched is limited in its residing construction work area, radiofrequency signal covering radiusSize realizes by control signal intensity, and the radio frequency signal frequency that each rfid interrogator 2 is launched is different, eachAll there is its frequency of corresponding use separately in individual construction work area.
When working, workmen must wear safety cap 8, the detachable side that is fixed on safety cap 8 of RFID electronic tag 9Face. Each RFID electronic tag 9 all contain one unique No. ID, this No. ID corresponding to workmen post residing one orMultiple constructions work area, the essential information that simultaneously has a workmen in the interior typing of RFID electronic tag 9 with and the letter of affiliated engineeringBreath, comprises workmen's numbering, name, sex, age, contact method, identity card numbering, photo, engineering name and engineeringNumbering etc.; In RFID electronic tag 9, be provided with frequency verifying module in order to distinguish adaptive frequency and abnormal frequency, above-mentioned is suitableJoining frequency comprises and is arranged on radio frequency signal frequency that the rfid interrogator of porch 7 launches and the ID of RFID electronic tag 9The radio frequency signal frequency that the rfid interrogator 2 arranging in number corresponding one or more constructions work area is launched; Above-mentioned is differentNormal frequency be specially with No. ID of RFID electronic tag 9 in not corresponding construction work area or non-security construction work area 4The radio frequency signal frequency that rfid interrogator 2 is launched.
In remote computer, have database, this database comprise all workmens of this unit in charge of construction essential information,Engineering information and each workmen's discrepancy authority.
Be below the application process of the above-mentioned real-time monitoring system based on RFID safety cap:
1. this real-time monitoring system is verified for the gate inhibition of porch, job site 7: idler enters job site notOnly upset normal construction operation, and more easily have an accident. Therefore be provided with rfid interrogator 2 in porch 7, RFID readsThe radiofrequency signal covering radius of writing device 2 is limited to the entrance of job site, is provided with RFID electronic tag 9 when workmen wearsWhen safety cap 8, this RFID electronic tag 9 receives the outwards radiofrequency signal of transmitting of rfid interrogator 2, and by its frequency verifyingModule is in order to verify whether this radio frequency signal frequency belongs to corresponding adaptive frequency its No. ID;
If after being verified as adaptive frequency, RFID electronic tag 9 sends unique to the rfid interrogator 2 of porch 7No. ID, rfid interrogator 2 will send to remote computer by wireless network module after No. ID decoding receiving, remote computationMachine is by the workmen's information corresponding in bist data storehouse of calling for No. ID receiving, to determine whether this workmen hasEnter the authority of job site, let pass if having;
If be verified as abnormal frequency, RFID electronic tag 9 will can not set up contact with rfid interrogator 2 so, so shouldWorkmen cannot enter job site.
This kind of application process effectively reduces the amount of flow of the unrelated person of job site, reduced generation security incidentPossibility.
2. this real-time monitoring system is for personnel attendance: existing personnel attendance method has two kinds, and one is by manuallyWork attendance, efficiency is lower; Another is the object that reaches examination by wearing radio positioner with it workmen, butBe that the respect for workmen's privacy has been ignored in accurate location, and the price of accurate positioning equipment is too high. Therefore adoptThis real-time monitoring system carries out personnel attendance, when workmen enters behind job site, and the RFID electronic tag on safety cap 89 start to receive the radiofrequency signal that rfid interrogator 2 sends, and RFID electronic tag by frequency verifying module to radiofrequency signal frequentlyRate verifies,
If received radio frequency signal frequency is verified as No. ID corresponding adaptive frequency of RFID electronic tag 9,Show that this workmen is on duty, in the construction work area under its post, RFID electronic tag 9 is in this construction work areaRfid interrogator 2 sends unique No. ID, rfid interrogator 2 by after receive No. ID decoding by wireless network module to farJourney computer sends, and remote computer is by the workmen's information corresponding in bist data storehouse of calling for No. ID receiving,Record the residing construction of this workmen work area, and record its time on duty;
If received radio frequency signal frequency is verified as No. ID corresponding abnormal frequency of RFID electronic tag 9,Show that this workmen is not on duty or visit others during work hours after slipping away from one's post, in the construction work area under its work position not, now RFID electronics markSign 9 refusal and rfid interrogator 2 are established a communications link, and remote computer will record this workmen in off-line state,This workmen is in work position, and records its off-line state duration.
When workmen enters behind described job site, the RFID electronic tag on the safety cap that workmen wears is openedBegin to receive the radiofrequency signal that rfid interrogator sends in its real-time construction of living in work area, described RFID electronic tag to receiveTo radio frequency signal frequency verify; Above method can complete the needs of personnel attendance preferably, monitors in real time constructorMember residing construction work area, avoids the leakage that accurately bring to workmen's privacy location.
3. this real-time monitoring system is used for the early warning in non-security construction work area 4: the subregion of job site is commonDanger coefficient is higher, because may there be jumbo at this place in construction, structure in curing period etc., enters this non-security construction workWorkmen in district 4 more easily has an accident. When workmen swarms into non-security construction work area 4 when interior, workmen by mistakeRFID electronic tag 9 on the safety cap 8 of wearing sends the rfid interrogator 2 receiving in non-security construction work area 4Radiofrequency signal, the radio frequency signal frequency that the frequency verifying module verification in RFID electronic tag 9 receives belongs to abnormal frequencyAfterwards, send unique No. ID to the rfid interrogator 2 being arranged in non-security construction work area 4, rfid interrogator 2 will receiveNo. ID decoding after send to remote computer by wireless network module, remote computer is by received calling for No. IDCorresponding workmen's information in bist data storehouse, checks whether this workmen has to enter in non-security construction work area 4Authority, if do not have to be arranged at buzzer in non-security construction work area 4 send instruction remind this workmen rapidly fromOpen, in case cause danger.
Above three kinds of preferred application embodiment that application process is the real-time monitoring system based on this RFID safety cap, compriseBut be not limited to above-mentioned application process, any method variation of having done based on this real-time monitoring system all belongs to guarantor of the present inventionProtect scope.