CN203761427U - Coal mine staff life security management system based on RFID and zigbee wireless sensor network - Google Patents
Coal mine staff life security management system based on RFID and zigbee wireless sensor network Download PDFInfo
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- CN203761427U CN203761427U CN201420038434.6U CN201420038434U CN203761427U CN 203761427 U CN203761427 U CN 203761427U CN 201420038434 U CN201420038434 U CN 201420038434U CN 203761427 U CN203761427 U CN 203761427U
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 239000003245 coal Substances 0.000 title claims abstract description 24
- 239000007789 gas Substances 0.000 claims abstract description 29
- 230000036760 body temperature Effects 0.000 claims abstract description 23
- 241000269793 Cryothenia peninsulae Species 0.000 claims description 35
- 230000005540 biological transmission Effects 0.000 claims description 25
- 238000004891 communication Methods 0.000 claims description 19
- 230000002452 interceptive Effects 0.000 claims description 10
- 230000003993 interaction Effects 0.000 claims description 5
- 239000002737 fuel gas Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002341 toxic gas Substances 0.000 abstract description 3
- 238000003860 storage Methods 0.000 description 6
- 210000001202 Rhombencephalon Anatomy 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000505 pernicious Effects 0.000 description 3
- 210000001061 Forehead Anatomy 0.000 description 2
- 210000003128 Head Anatomy 0.000 description 2
- 101700039143 LAMP2 Proteins 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001821 Foam rubber Polymers 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- ZSKCOFJBFXSEDP-UHFFFAOYSA-N formaldehyde;molecular hydrogen Chemical compound [H][H].O=C ZSKCOFJBFXSEDP-UHFFFAOYSA-N 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 210000004874 lower jaw Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Abstract
The utility model relates to a coal mine staff life security management system based on RFID and a zigbee wireless sensor network. The system is characterized by comprising a monitoring center, a mine mouth terminal device, at least one zigbee base station, at least two sensor nodes and at least one staff node; each sensor node is provided with a first temperature sensor and a gas sensor. The coal mine staff life security management system based on RFID and a zigbee wireless sensor network has the significant effects that the sensor nodes can rapidly identify the staff node; the environment temperature and the concentration of a toxic gas can be detected at any time; staff positioning can be carried out; information can be immediately sent via the RFID antenna to the staff when an accident occurs; the vibration alarm of a vibration module of the staff node can notify underground staff; underground staff life signs can be detected in real time through the body temperature sensor; as the staff node is arranged on a safety helmet, burden of underground staff is not increased, the structure is reasonable, and the space of the safety helmet is used.
Description
Technical field
The utility model relates to coal mine personnel safety management field, specifically, is a kind of coal mine personnel security alarm management system based on RFID and zigbee wireless sensor network.
Background technology
China is the big country of coal production and consumption, and the safety in production in colliery receives much concern always.At present, because country is to safety of coal mines pay attention to day by day, supervision continues to increase, and coal mine safety monitoring system has all been equipped in big-and-middle-sized colliery in a large number, has contained to a certain extent the generation of particularly serious accident.But, due to the monitoring lacking down-hole personnel position information, going back at present ubiquity and enter well personal management difficulty, aboveground personnel are difficult to promptly and accurately to grasp the situation of personnel in the pit's distribution and operation.Under coal mine, also exist some deathtraps, target area as super in pernicious gas, the operating inclined gallery of winch, Facilities Area etc., these regions generally forbid that workman enters, but underworkings is staggered, circumstance complication, common billboard or alarm bell advice method alarming effect are not good.The rescue of the effective management, detection, tracking, location that realizes well personnel after for safety in production, dispatch control and the accident in colliery is all significant.
Particularity due to coal industry field, the current ubiquity personal management difficulty of going into the well, aboveground personnel are difficult to grasp in time personnel in the pit's DYNAMIC DISTRIBUTION and operation situation, once accident occurs, aboveground personnel lack reliable down-hole information, the inefficiency of rescue and relief work, safety first-aid, effect is undesirable.Coal mine underground operational environment is a riot of sound, even if occur surprisingly carrying out sound and light alarm, also probably cannot hear, see.
The shortcoming of prior art is: identification staff's speed is fast not, and detection range is little, and cost is high, when running into dangerous situation, and cannot timely and effective notice underground work personnel.
Utility model content
In order to address the above problem, the utility model proposes a kind of sensor node recognition speed fast, testing environment temperature and concentration of toxic gases, notify underground work personnel's the coal mine personnel security alarm management system based on RFID and zigbee wireless sensor network in time during appearance accident at any time.
For achieving the above object, the concrete technical scheme that the utility model adopts is as follows:
A coal mine personnel security alarm management system based on RFID and zigbee wireless sensor network, is characterized in that: comprise Surveillance center, pithead terminal equipment, at least 1 zigbee base station, at least 2 sensor nodes and at least one personnel's node; Surveillance center and pithead terminal equipment are by wireless mode interactive signal, the 4th serial port module of the serial port module of pithead terminal equipment the 3rd wireless communication module and zigbee base station is carried out signal transmission, the 4th zigbee radio receiving transmitting module of zigbee base station and a zigbee radio receiving transmitting module of sensor node carry out transmission of wireless signals, the one RFID module of each sensor node and the 2nd RFID module of each personnel's node are by antenna interactive signal, and each sensor node is all with the first temperature sensor and gas sensor.
Surveillance center carries out Real-time Collection control to down-hole situation, and pithead terminal equipment carries out control operation, and the signal of each sensor node transmission under received well, the situation that sensor node can collector's process, and collecting temperature, the signal of gas.While having dangerous situation, sensor node carries out signal transmission to personnel's node rapidly, and personnel's node is warned.The 4th serial port module of the serial port module of pithead terminal equipment the 3rd wireless communication module and zigbee base station is carried out signal transmission, the signal transmission of pithead terminal equipment and zigbee base station is mainly used for operation and accepts the signal that sensor node collects, the 4th zigbee radio receiving transmitting module of zigbee base station forms sensor node information Rendezvous Point under mine, the one RFID module of each sensor node and the 2nd RFID module of each personnel's node are by antenna interactive signal, be mainly used in the position the record of employee in each sensor coverage, alarm signal transmission, the first temperature sensor on each sensor node is used for gathering ambient temperature, gas sensor is for gathering flammable and content pernicious gas.
Further technical scheme is that described personnel's node comprises the second microprocessor, and the second microprocessor is connected with respectively vibrating motor, second memory, the 2nd RFID module and the second voltage reduction module.
Vibrating motor is used for sending vibratory alarm, second memory is for storage data data, the 2nd RFID module is for carrying out exchanges data with sensor node, pithead terminal equipment, and the second voltage reduction module is supplied with for the second microprocessor, vibrating motor, second memory and the 2nd RFID module provide electric power.
Further technical scheme is that described personnel's Node configuration is on safety cap, described safety cap comprises the overcoat of shell and shell inner side, described the 2nd RFID module is arranged on the front portion of the shell of safety cap, described the second microprocessor, second memory and the second voltage reduction module are installed in controll block, described controll block is arranged in overcoat, and the rear portion of the inner side of overcoat is also embedded with vibrating motor.
Vibrating motor is arranged on the rear portion of safety cap inner side, after safe wearing cap, vibrating motor directly contacts with hindbrain, hindbrain is quick on the draw to vibration, can experience in time alarm signal, when sound and light alarm is inoperative, notify faster personnel in the pit, between the 2nd RFID module of personnel's node and sensor node, energy signal transmission, registers, identification.Personnel's Node configuration is space-saving on safety cap, is convenient for carrying, not newly-increased user's burden.The front portion that the 2nd RFID module is arranged on the shell of safety cap is that the signal in order to make to receive and send messages is better, more convenient.
Further technical scheme is that the front portion of described external shell of safety helmet is provided with mine lamp, and safety cap body housing top is provided with power supply, and described power supply connects the second voltage reduction module in mine lamp and controll block.
Adopt said structure, the public power supply of personnel's node and mine lamp, makes full use of resource, saves volume.
Further technical scheme is that the front portion of the inner side of safety cap overcoat is also provided with body temperature trans, and this body temperature trans is connected with the second microprocessor.
Body temperature trans is located at the front portion of safety cap inner side can detect body temperature more accurately, after safe wearing cap, body temperature trans just with forehead body surface, measurement of bldy temperature is accurate herein.Can and by the second microprocessor and connection, the transmission by signal makes Surveillance center learn wearer's body temperature information.
Further technical scheme is that sensor node comprises first microprocessor, and first microprocessor is connected with respectively the first power module, sound and light alarm module, first memory, a zigbee radio receiving transmitting module, a RFID module, the first temperature sensor and gas sensor.
First microprocessor is controlled this sensor node, the first power module provides electric power for this sensor node, sound and light alarm module is sounded when in danger and light is reported to the police, first memory carries out data storage, signal transmission is carried out in the one zigbee radio receiving transmitting module and zigbee base station, the one RFID module and personnel's node carry out signal transmission, and the first temperature sensor gathers ambient temperature, and gas sensor detects airborne gas concentration.
Further technical scheme is that gas sensor is one or more gas sensors in fuel gas.
Can be the transducer that pure gas detects, can be also the transducer that multiple gases detects simultaneously.
Further technical scheme is that pithead terminal equipment comprises the 3rd microprocessor, the 3rd microprocessor is connected with respectively the 3rd memory, man-machine interaction part, debugging part and the 3rd wireless communication module, wherein the 3rd wireless communication module, comprises RFID module and serial port module.
The 3rd microprocessor is controlled pithead terminal equipment, and the 3rd memory carries out data storage, and man-machine interaction partly provides and shows and input, the 3rd wireless communication module for and personnel's node and zigbee base station between carry out data communication.
Further technical scheme is that zigbee base station comprises the 4th microprocessor, and the 4th microprocessor is connected with respectively the 4th memory, the 4th serial port module, the 4th zigbee radio receiving transmitting module and the 4th power module.
Zigbee base station, for gathering the signal of all the sensors of mine the inside placement, is passed through wired serial communication by jump set and is sent pithead terminal equipment to.
Remarkable result of the present utility model is: sensor node identification personnel node speed is faster, testing environment temperature and concentration of toxic gases at any time, personnel are positioned, while there is accident, by RFID days alignment personnel nodes, send information at once, the vibrating motor vibration alarming of personnel's node is notified underground work personnel with this, and detect in real time underground work personnel sign of life by body temperature trans, personnel's Node configuration is on safety cap, do not increase underground work personnel burden, rational in infrastructure, and utilize the space of safety cap.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model sensor node;
Fig. 3 is the structural representation of the utility model personnel node;
Fig. 4 is the structural representation of the utility model pithead terminal equipment;
Fig. 5 is the structural representation of the utility model zigbee base station;
Fig. 6 is the structural representation of the utility model safety cap.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model and operation principle are described in further detail.
As shown in Figure 1, Fig. 1 is structural representation of the present utility model, a coal mine personnel security alarm management system based on RFID and zigbee wireless sensor network, comprises Surveillance center, pithead terminal equipment, at least 1 zigbee base station, at least 2 sensor nodes and at least one personnel's node, Surveillance center and pithead terminal equipment are by wireless mode interactive signal, the 4th serial port module of the serial port module of pithead terminal equipment the 3rd wireless communication module and zigbee base station is carried out signal transmission, the 4th zigbee radio receiving transmitting module of zigbee base station and a zigbee radio receiving transmitting module of sensor node carry out transmission of wireless signals, pithead terminal equipment is provided with the 3rd wireless communication module and obtains the interactive signal that personnel's node the 2nd RFID module is sent by antenna, the one RFID module of each sensor node and the 2nd RFID module of each personnel's node are by antenna interactive signal, each sensor node is all with the first temperature sensor and gas sensor.
Surveillance center carries out Real-time Collection control to down-hole situation, pithead terminal equipment carries out control operation, and the signal of each sensor node transmission under received well, can also carry out the function of personnel's work attendance, sensor node can collector's process situation, and collecting temperature, the signal of gas.Personnel's node and sensor node carry out signal transmission, and while having dangerous situation, the vibrating motor vibration on personnel's node gives a warning.The 4th serial port module of the serial port module of pithead terminal equipment the 3rd wireless communication module and zigbee base station is carried out signal transmission, the signal transmission of pithead terminal equipment and zigbee base station is mainly used for operation and accepts the signal that sensor node collects, the 4th zigbee radio receiving transmitting module of zigbee base station forms sensor node information Rendezvous Point under mine, pithead terminal equipment is provided with the 3rd wireless communication module and obtains the interactive signal that personnel's node the 2nd RFID module is sent by antenna, mainly as employee, enter registering of ore deposit and work attendance, the one RFID module of each sensor node and the 2nd RFID module of each personnel's node are by antenna interactive signal, be mainly used in the position the record of employee in each sensor coverage, alarm signal transmission, the first temperature sensor on each sensor node is used for gathering ambient temperature, gas sensor is for gathering flammable and content pernicious gas, the second voltage reduction module of each personnel's node is used to vibrating motor and the 2nd RFID module for power supply, and vibrating motor, for after receiving alert notice signal, sends vibration, warning carrier.
Generally should be in mine all covering sensor nodes along the line, guarantee all standing, the scope quantification that zigbee base station also should be set up according to transducer and the position of setting up, also ensuring coverage all the sensors node is answered in zigbee base station.Zigbee base station is connected to pithead terminal equipment with wired mode.
As shown in Figure 2, Fig. 2 is the structural representation of the utility model sensor node, sensor node comprises first microprocessor, and first microprocessor is connected with respectively the first power module, sound and light alarm module, first memory, a zigbee radio receiving transmitting module, a RFID module, the first temperature sensor and gas sensor.First microprocessor is controlled this sensor node, the first power module provides electric power for this sensor node, sound and light alarm module is sounded when in danger and light is reported to the police, first memory carries out data storage, signal transmission is carried out in the one zigbee radio receiving transmitting module and zigbee base station, the one RFID module and personnel's node carry out signal transmission, and the first temperature sensor gathers ambient temperature, and gas sensor detects airborne gas concentration.
Gas sensor is one or more gas sensors in fuel gas, and fuel gas can be oxygen, hydrogen sulfide and carbon monoxide.Can be the transducer that pure gas detects, can be also the transducer that multiple gases detects simultaneously.Sound and light alarm module can adopt loud speaker and alarm lamp.
As shown in Figure 3, Fig. 3 is the structural representation of the utility model personnel node, and personnel's node comprises the second microprocessor, and the second microprocessor is connected with respectively vibrating motor, second memory, the 2nd RFID module, body temperature trans and the second voltage reduction module.Vibrating motor is used for sending vibratory alarm, second memory is for storage data data, the 2nd RFID module for and sensor node, pithead terminal equipment carry out exchanges data, body temperature trans for detection of the corresponding body temperature of personnel in the pit's wearing position, the second voltage reduction module is supplied with for the second microprocessor, vibrating motor, second memory, the 2nd RFID module and body temperature trans provide electric power.
As shown in Figure 4, Fig. 4 is the structural representation of the utility model pithead terminal equipment, pithead terminal equipment comprises the 3rd microprocessor, the 3rd microprocessor is connected with respectively the 3rd memory, man-machine interaction part, debugging part and the 3rd wireless communication module, wherein the 3rd wireless communication module, comprises RFID module and serial port module.The 3rd microprocessor is controlled pithead terminal equipment, and the 3rd memory carries out data storage, and man-machine interaction partly provides and shows and input, the 3rd wireless communication module for and personnel's node and zigbee base station between carry out data communication.
As shown in Figure 5, Fig. 5 is the structural representation of the utility model zigbee base station, zigbee base station comprises the 4th microprocessor, and the 4th microprocessor is connected with respectively the 4th memory, the 4th serial port module, the 4th zigbee radio receiving transmitting module and the 4th power module.Zigbee base station, for gathering the signal of all the sensors of mine the inside placement, is passed through wired serial communication by jump set and is sent pithead terminal equipment to.
As shown in Figure 6, Fig. 6 is the structural representation of the utility model safety cap.Personnel's Node configuration is on safety cap, described safety cap comprises the overcoat 5 of shell and shell inner side, described the 2nd RFID module 3 is arranged on the front portion of the shell of safety cap, described the second microprocessor, second memory and the second voltage reduction module are installed in controll block 4, described controll block 4 is arranged in overcoat 5, and the rear portion of the inner side of overcoat 5 is also embedded with vibrating motor 7.The front portion of described external shell of safety helmet is provided with mine lamp 2, and safety cap body housing top is provided with power supply 6, the second voltage reduction module that described power supply 6 connects in mine lamp 2 and controll block 4.The front portion of the inner side of described safety cap overcoat is also provided with body temperature trans 1, and this body temperature trans 1 is connected with the second microprocessor.
Personnel's node is a kind of safety cap, vibrating motor is arranged on the rear portion of safety cap inner side, after safe wearing cap, vibrating motor directly contacts with hindbrain, and hindbrain is quick on the draw to vibration, can experience in time and can vibrate personnel's head and play and carry out alarm signal, when sound and light alarm is inoperative, notify faster personnel in the pit, energy signal transmission between the 2nd RFID module of personnel's node and sensor node, register, identification.Personnel's node is space-saving for being arranged on safety cap its advantage, is convenient for carrying, not newly-increased user's burden.And the electric power loop that directly utilizes mine lamp, makes full use of resource.The front portion that the 2nd RFID module is arranged on the shell of safety cap is that the signal in order to make to receive and send messages is better, more convenient.The public power supply of personnel's node and mine lamp, makes full use of resource, saves volume.Body temperature trans is located in the front portion of safety cap inner side can detect body temperature more accurately, after safe wearing cap, body temperature trans just with forehead body surface, measurement of bldy temperature is accurate herein.Can and by the second microprocessor and connection, the transmission by signal makes Surveillance center learn wearer's body temperature information.Body temperature trans and vibrating motor are all embedded in overcoat, can well fit with people's head, and can not bring sense of discomfort.Overcoat can adopt the padded coamings such as foamed plastics or foam rubber to make.Safety cap side is also provided with drawstring, causes that to belong to common practise not shown.Drawstring in use, is wrapped in people's lower jaw, plays the effect of fixed helmet.
The utility model basic function is summarized as follows: Surveillance center is detected in real time, and it is that safety cap prepares to enter mine that employee carries personnel's node, through pithead terminal equipment, by the automatic work attendance of RFID module.Enter mine work, enter into sensor node signal cover, RFID module is identified automatically, and sensor node receives after signal, by zigbee base station, is back to pithead terminal equipment, records employee position, positions.When employee enters into next sensor node coverage, next transducer carries out identical work: RFID module is identified automatically, sensor node receives after signal, by zigbee base station, is back to pithead terminal equipment, records employee position, position, the like.Sensor node also carries out the gentle health check-up of temperature detection and surveys, if temperature shock or gas concentration exceed standard, transmission abnormality signal is back to pithead terminal equipment by zigbee base station at once, notify aboveground staff, and report to the police rapidly by sound and light alarm module, after pithead terminal equipment acknowledge(ment) signal, near the sensor node of sensor node of controlling this warning gives the alarm simultaneously, and in covering by near sensor signal sensor node RFID module notice, all personnel's node sends vibration alarming.The body temperature trans of startup personnel node, detects employee's body temperature, by RFID module, is back to sensor node, is being given to successively zigbee base station and pithead terminal equipment, Surveillance center.Allow aboveground staff understand this employee's sign of life.
Above embodiment is only with explanation the technical solution of the utility model, be not intended to limit, although the utility model is had been described in detail with reference to above-described embodiment, those of ordinary skills are to be understood that, its technical scheme that still can record above-described embodiment is modified, or part technical characterictic is wherein equal to replacement, and these modifications or replacement, does not make the essence of corresponding technical scheme depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. the coal mine personnel security alarm management system based on RFID and zigbee wireless sensor network, is characterized in that: comprise Surveillance center, pithead terminal equipment, at least 1 zigbee base station, at least 2 sensor nodes and at least one personnel's node; Surveillance center and pithead terminal equipment are by wireless mode interactive signal, the 4th serial port module of the serial port module of pithead terminal equipment the 3rd wireless communication module and zigbee base station is carried out signal transmission, the 4th zigbee radio receiving transmitting module of zigbee base station and a zigbee radio receiving transmitting module of sensor node carry out transmission of wireless signals, the one RFID module of each sensor node and the 2nd RFID module of each personnel's node are by antenna interactive signal, and each sensor node is all with the first temperature sensor and gas sensor.
2. the coal mine personnel security alarm management system based on RFID and zigbee wireless sensor network according to claim 1, it is characterized in that: described personnel's node comprises the second microprocessor, the second microprocessor is connected with respectively vibrating motor, second memory, described the 2nd RFID module and the second voltage reduction module.
3. the coal mine personnel security alarm management system based on RFID and zigbee wireless sensor network according to claim 2, it is characterized in that: described personnel's Node configuration is on safety cap, described safety cap comprises the overcoat (5) of shell and shell inner side, described the 2nd RFID module (3) is arranged on the front portion of the shell of safety cap, described the second microprocessor, second memory and the second voltage reduction module are installed in controll block (4), described controll block (4) is arranged in overcoat (5), and the rear portion of the inner side of overcoat (5) is also embedded with vibrating motor (7).
4. the coal mine personnel security alarm management system based on RFID and zigbee wireless sensor network according to claim 3, it is characterized in that: the front portion of described external shell of safety helmet is provided with mine lamp (2), safety cap body housing top is provided with power supply (6), and described power supply (6) connects the second voltage reduction module in mine lamp (2) and controll block (4).
5. the coal mine personnel security alarm management system based on RFID and zigbee wireless sensor network according to claim 3, it is characterized in that: the front portion of the inner side of described safety cap overcoat is also provided with body temperature trans (1), this body temperature trans (1) is connected with the second microprocessor.
6. the coal mine personnel security alarm management system based on RFID and zigbee wireless sensor network according to claim 1, it is characterized in that: described sensor node comprises first microprocessor, first microprocessor is connected with respectively the first power module, sound and light alarm module, first memory, a zigbee radio receiving transmitting module, a described RFID module, described the first temperature sensor and described gas sensor.
7. the coal mine personnel security alarm management system based on RFID and zigbee wireless sensor network according to claim 1, is characterized in that: described gas sensor is one or more gas sensors in fuel gas.
8. the coal mine personnel security alarm management system based on RFID and zigbee wireless sensor network according to claim 1, it is characterized in that: described pithead terminal equipment comprises the 3rd microprocessor, described the 3rd microprocessor is connected with respectively the 3rd memory, man-machine interaction part, debugging part and the 3rd wireless communication module, wherein the 3rd wireless communication module, comprises RFID module and serial port module.
9. the coal mine personnel security alarm management system based on RFID and zigbee wireless sensor network according to claim 1, it is characterized in that: described zigbee base station comprises the 4th microprocessor, described the 4th microprocessor is connected with respectively the 4th memory, the 4th serial port module, the 4th zigbee radio receiving transmitting module and the 4th power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420038434.6U CN203761427U (en) | 2013-09-03 | 2014-01-22 | Coal mine staff life security management system based on RFID and zigbee wireless sensor network |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320545860 | 2013-09-03 | ||
| CN201320545860.4 | 2013-09-03 | ||
| CN201420038434.6U CN203761427U (en) | 2013-09-03 | 2014-01-22 | Coal mine staff life security management system based on RFID and zigbee wireless sensor network |
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| CN203761427U true CN203761427U (en) | 2014-08-06 |
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| CN201420038434.6U Expired - Fee Related CN203761427U (en) | 2013-09-03 | 2014-01-22 | Coal mine staff life security management system based on RFID and zigbee wireless sensor network |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105011453A (en) * | 2015-07-27 | 2015-11-04 | 江苏大学 | Multifunctional intelligent safety cap early-warning system and method |
| CN105221139A (en) * | 2015-10-29 | 2016-01-06 | 天津华宁电子有限公司 | Downhole wireless power center (PC) system |
| CN105350950A (en) * | 2014-08-20 | 2016-02-24 | 天津允林科技有限公司 | Drilling machine data acquisition and monitoring system |
| CN105809912A (en) * | 2016-04-25 | 2016-07-27 | 成都五方传奇物联网技术有限公司 | Alarm apparatus circuit with wireless transmission function |
| CN105957290A (en) * | 2016-04-25 | 2016-09-21 | 成都五方传奇物联网技术有限公司 | Independent alarm having ambient temperature detection function |
| CN106444517A (en) * | 2016-10-25 | 2017-02-22 | 北京国信同科信息技术股份有限公司 | Indoor and outdoor communication positioning integrated safety monitoring terminal |
| CN110503749A (en) * | 2018-05-18 | 2019-11-26 | 黄暐皓 | Door lock assembly |
-
2014
- 2014-01-22 CN CN201420038434.6U patent/CN203761427U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350950A (en) * | 2014-08-20 | 2016-02-24 | 天津允林科技有限公司 | Drilling machine data acquisition and monitoring system |
| CN105011453A (en) * | 2015-07-27 | 2015-11-04 | 江苏大学 | Multifunctional intelligent safety cap early-warning system and method |
| CN105221139A (en) * | 2015-10-29 | 2016-01-06 | 天津华宁电子有限公司 | Downhole wireless power center (PC) system |
| CN105809912A (en) * | 2016-04-25 | 2016-07-27 | 成都五方传奇物联网技术有限公司 | Alarm apparatus circuit with wireless transmission function |
| CN105957290A (en) * | 2016-04-25 | 2016-09-21 | 成都五方传奇物联网技术有限公司 | Independent alarm having ambient temperature detection function |
| CN106444517A (en) * | 2016-10-25 | 2017-02-22 | 北京国信同科信息技术股份有限公司 | Indoor and outdoor communication positioning integrated safety monitoring terminal |
| CN110503749A (en) * | 2018-05-18 | 2019-11-26 | 黄暐皓 | Door lock assembly |
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