CN204406756U - A kind of wireless sensor network experimental box - Google Patents
A kind of wireless sensor network experimental box Download PDFInfo
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- CN204406756U CN204406756U CN201520022675.6U CN201520022675U CN204406756U CN 204406756 U CN204406756 U CN 204406756U CN 201520022675 U CN201520022675 U CN 201520022675U CN 204406756 U CN204406756 U CN 204406756U
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Abstract
The utility model provides a kind of wireless sensor network experimental box, comprises casing, is provided with ground floor base plate and second layer base plate in described casing.Wherein, described ground floor base plate is provided with the first data processing module, data memory module, the first radio-frequency communication module, rfid interrogator, sensor assembly, GPRS module and the first power management module; Described first data processing module connects described data memory module; Described second layer base plate is provided with the second data processing module and the second radio-frequency communication module and second source administration module.Described second data processing module is connected with alarm with display device.This experimental box clear in structure, to use flexibly and perfect in shape and function.
Description
Technical field
The utility model relates to experimental provision equipment technical field, particularly relates to a kind of wireless sensor network experimental box.
Background technology
The focus that wireless sensor network (WSN) is studied as current message area, it is a kind of new computation model, relate to the research field of multiple subject crossing, comprise the problems such as the tissue of network, management and service framework, information transmission path and messaging model.
The fusion of RFID and WSN combines the technical characterstic of RFID and sensor network, inherits RFID and utilizes radiofrequency signal automatically to identify the characteristic of target, achieve the function of wireless sensor network active perception and communication simultaneously.But, in the classroom of current wireless communication system, lack a kind of experimental box having RFID and WSN technology feature concurrently.Due to these two research field relative complex, lack targeted representational experimental box and bring a lot of inconvenience to classroom instruction.
So traditional experimental box cannot meet the needs of RFID and WSN technology combining with teaching.
Summary of the invention
The utility model provides a kind of wireless sensor network experimental box, is intended to solve traditional experimental box not pointed, cannot meets the problem of the needs of RFID and WSN technology combining with teaching.
The technical scheme that the utility model provides is a kind of wireless sensor network experimental box, comprises casing, is provided with ground floor base plate and second layer base plate in described casing; Wherein, the first power management module described ground floor base plate being provided with the first data processing module, data memory module, the first radio-frequency communication module, rfid interrogator, sensor assembly, GPRS module and powering for described first data processing module, the first data memory module, the first radio-frequency communication module, rfid interrogator and sensor assembly and GPRS module; Described first data processing module connects described data memory module;
The second source administration module described second layer base plate being provided with the second data processing module and the second radio-frequency communication module and powering for described second data processing module and the second radio-frequency communication module; Described second data processing module is connected with alarm with display device.
Further, described first radio-frequency communication module comprises ZigBee module and radio-frequency (RF) receiving and transmission module.
Further, described ZigBee module comprises 3 CC2430 chips; Described radio-frequency (RF) receiving and transmission module is CC1100 single-chip microcomputer.
Preferably, described first data processing module is single-chip microcomputer MSP430 or 89C51.
Further, described rfid interrogator comprises low frequency rfid interrogator, high frequency rfid interrogator and ultrahigh frequency radio frequency identification (RFID) reader.
Further, described sensor assembly comprises smoke transducer, temperature sensor, and light sensor, tongue tube electromagnetic switch, heat release infrared sensor, magnetic switch Hall velocity gauge, carbon monoxide transducer and sound detection sensor.
Further, Voltage stabilizing module is provided with in described first power management module and second source administration module.
Further, described second radio-frequency communication module comprises radio-frequency (RF) receiving and transmission module.
Preferably, described radio-frequency (RF) receiving and transmission module is CC1100 single-chip microcomputer, nRF family chip or RTR6000 wireless chip.
Wireless sensor network experimental box provided by the utility model, by arranging modularized circuit on two separate base plates, and to the open all general purpose I/O port of student, help student to be understood framework process and the actual functional capability of wireless sensor network different piece by the combination experiment of disparate modules; In addition to arrange multiple radio-frequency card reader, further expanded the function of whole experimental box system, improve experimental flexibility.Meanwhile, due to ground floor base plate and second layer base plate being provided with power management module respectively, thus ground floor base plate and second layer base plate can independent operating, maintenance or expansion, reduce cost and the difficulty of later maintenance.This experimental box perfect in shape and function and clear in structure.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of wireless sensor network experimental box ground floor base plate provided by the utility model;
Fig. 2 is the structural representation of wireless sensor network experimental box second layer base plate provided by the utility model.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The wireless sensor network experimental box provided in the present embodiment mainly comprises sensor node, radio frequency read-write node, aggregation node and radio receiving transmitting module.As depicted in figs. 1 and 2, sensor node provides primarily of sensor assembly, described sensor assembly comprises smoke transducer, temperature sensor, and light sensor, tongue tube electromagnetic switch, heat release infrared sensor, magnetic switch Hall velocity gauge, carbon monoxide transducer and sound detection sensor.Radio frequency read-write node provides primarily of rfid interrogator, and described rfid interrogator comprises low frequency RFID card reader, high frequency RFID card reader and ultrahigh frequency RFID card reader.Aggregation node realizes primarily of the first data processing module be arranged on ground floor base plate, and described first data processing module can be a micro controller unit, can adopt the mixed-signal processors such as single-chip microcomputer MSP430 or 89C51.Described first data processing module is connected with data memory module, and data memory module is the external memory storage be connected with single-chip microcomputer, can be realized by EPROM or RAM storer.
In the wireless sensor network experimental box that the present embodiment provides, different node in sensor assembly and radio frequency read-write node uniform layout are on ground floor base plate, the different index of the multiple Sensor monitoring Experimental Areas in node or by rfid interrogator identification unlike signal, a cordless communication network is formed in the mode of self-organization, each node periodically transmits the status signal of each node to the aggregation node be arranged on ground floor base plate by the first radio-frequency module, realize the cooperative information process of data.Each sensor in experimental box and rfid interrogator all can independently use, thus carry out specific experiment according to different demand.
Ground floor base plate shown in Figure 1, because described ground floor base plate adopts independent Power supply, so described ground floor base plate can take out to be applied to different experiments region from experimental box casing.Described ground floor base plate is also provided with a GPRS module, receives for realizing packet and sending out.
Described ground floor base plate is also provided with the first radio-frequency communication module, and described first radio-frequency communication module comprises ZigBee module and radio-frequency (RF) receiving and transmission module.Described ZigBee module comprises 3 CC2430-F128 chips.CC2430-F128 is integrated with high performance 8051 kernels and ADC and USART interface, supports Zigbee protocol stack.General purpose I/O the interface of described 3 ZigBee module is drawn all, ensures that student can use all resources on sheet in an experiment.Described radio-frequency (RF) receiving and transmission module is by CC1100 chip microcontroller.Inner integrated 51 kernels of CC1100 single-chip microcomputer and radio-frequency (RF) transceiver, frequency of operation 26MHz, has good antijamming capability and penetration capacity.
Described second layer base plate is provided with the second radio-frequency communication module, and described second radio-frequency communication module comprises radio-frequency (RF) receiving and transmission module.Described radio-frequency (RF) receiving and transmission module can be realized by CC1100 single-chip microcomputer, nRF chip or PTR6000 wireless chip.Second radio-frequency communication module is mainly as the receiving end of wireless signal.Described first radio-frequency communication module, GPRS module and the second radio-frequency communication module with the use of, define the major part of experimental box radio receiving transmitting module.Based on the actual needs of classroom instruction, the message transmission rate required by the wireless sensor network that the present embodiment provides is not high, and transmission range is also shorter.First radio-frequency communication module and the second radio-frequency communication module with the use of the Wireless Data Transmission demand that can meet all experiments.
The second data processing module be arranged on described second layer base plate can be single-chip microcomputer, based on the processor of embedded system or PC.Described second data processing module is received signal that described second radio-frequency communication module generates and is shown the signal of each sensor node and frequency read/write node by display device.Described second data processing module is also connected with an alarm.When the signal of certain sensor node or frequency read/write node occurs abnormal, described second data processing module can export a level signal as described alarm, controls described alarm and reports to the police.
Be arranged on the first power management module on experimental box ground floor base plate and second layer base plate and second source administration module and be mainly the operating voltage that single-chip microcomputer, sensor and rfid interrogator provide suitable.In order to realize voltage stabilizing function, voltage stabilizing chip is provided with in described first power management module and second source administration module, as TPS60101 chip or homologous series charge pump, can ensure that experimental box system obtains stable power supply supply when external dissimilar power supply or battery electric quantity state change.
Low frequency RFID card reader frequency of operation 125KHz in experimental box, supports 125KHz frequency EM card and TEMIC train of radio frequency card; High frequency RFID card reader frequency of operation 13.56MHz, is applied to label card field, supports 14443A, 14443B, 15693 and MFRC531 card; Ultrahigh frequency RFID card reading module frequency of operation 902-928MHz, supports the electronic tag meeting ISO18-6B, EPC CLASSI, G2 standard.In experimental box, be also equipped with low frequency RFID tag 5, HF RPID tags 5, ultra-high frequency RFID label 5 simultaneously.Support to carry out 38 experiments relevant to REID, wide coverage.
The wireless sensor network experimental box that the present embodiment provides, by arranging modularized circuit on two separate base plates, and to the open all general purpose I/O port of student, help student to be understood framework process and the actual functional capability of wireless sensor network different piece by the combination experiment of disparate modules; In addition to arrange multiple radio-frequency card reader, further expanded the function of whole experimental box system, improve experimental flexibility.Meanwhile, due to ground floor base plate and second layer base plate being provided with power management module respectively, thus ground floor base plate and second layer base plate can independent operating, keep in repair or expand, reduce cost and the difficulty of later maintenance.The experimental box perfect in shape and function that the present embodiment provides and clear in structure.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a wireless sensor network experimental box, comprises casing, it is characterized in that: be provided with ground floor base plate and second layer base plate in described casing;
Wherein, the first power management module described ground floor base plate being provided with the first data processing module, data memory module, the first radio-frequency communication module, rfid interrogator, sensor assembly, GPRS module and powering for described first data processing module, the first data memory module, the first radio-frequency communication module, rfid interrogator and sensor assembly and GPRS module; Described first data processing module connects described data memory module;
The second source administration module described second layer base plate being provided with the second data processing module and the second radio-frequency communication module and powering for described second data processing module and the second radio-frequency communication module; Described second data processing module is connected with alarm with display device.
2. wireless sensor network experimental box according to claim 1, is characterized in that: described first radio-frequency communication module comprises ZigBee module and radio-frequency (RF) receiving and transmission module.
3. wireless sensor network experimental box according to claim 2, is characterized in that: described ZigBee module comprises 3 CC2430 chips; Described radio-frequency (RF) receiving and transmission module is CC1100 single-chip microcomputer.
4. wireless sensor network experimental box according to claim 1, is characterized in that, described first data processing module is single-chip microcomputer MSP430 or 89C51.
5. wireless sensor network experimental box according to claim 1, is characterized in that, described rfid interrogator comprises low frequency rfid interrogator, high frequency rfid interrogator and ultrahigh frequency radio frequency identification (RFID) reader.
6. wireless sensor network experimental box according to claim 5, is characterized in that, the frequency of operation of described low frequency rfid interrogator is 125KHz; The frequency of operation of described high frequency rfid interrogator is 13.56MHz; The frequency of operation of described ultrahigh frequency radio frequency identification (RFID) reader is 902-928MHz.
7. the wireless sensor network experimental box according to any one of claim 1-6, it is characterized in that, described sensor assembly comprises smoke transducer, temperature sensor, and light sensor, tongue tube electromagnetic switch, heat release infrared sensor, magnetic switch Hall velocity gauge, carbon monoxide transducer and sound detection sensor.
8. wireless sensor network experimental box according to claim 1, is characterized in that, is provided with Voltage stabilizing module in described first power management module and second source administration module.
9. wireless sensor network experimental box according to claim 1, is characterized in that, described second radio-frequency communication module comprises radio-frequency (RF) receiving and transmission module.
10. wireless sensor network experimental box according to claim 9, is characterized in that, described radio-frequency (RF) receiving and transmission module is CC1100 single-chip microcomputer, nRF family chip or RTR6000 wireless chip.
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| CN201520022675.6U CN204406756U (en) | 2015-01-14 | 2015-01-14 | A kind of wireless sensor network experimental box |
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| CN201520022675.6U CN204406756U (en) | 2015-01-14 | 2015-01-14 | A kind of wireless sensor network experimental box |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108614632A (en) * | 2016-12-12 | 2018-10-02 | 徐州新隆全电子科技有限公司 | Low power consumption method drops in SCM Based active RFID system |
| CN110971119A (en) * | 2018-09-29 | 2020-04-07 | 中芯国际集成电路制造（天津）有限公司 | Power supply circuit, electronic device, and power smoothing method |
-
2015
- 2015-01-14 CN CN201520022675.6U patent/CN204406756U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108614632A (en) * | 2016-12-12 | 2018-10-02 | 徐州新隆全电子科技有限公司 | Low power consumption method drops in SCM Based active RFID system |
| CN110971119A (en) * | 2018-09-29 | 2020-04-07 | 中芯国际集成电路制造（天津）有限公司 | Power supply circuit, electronic device, and power smoothing method |
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20190624 Address after: 266000 Floor 1, Building 325 Guangbo Road, Qingdao High-tech Zone, Shandong Province Patentee after: Qingdao Rui Meng Internet Technology Co., Ltd. Address before: 266071 Area A2, 5th Floor, Building 4, Qingdao Software Park, 288 Ningxia Road, Shinan District, Qingdao City, Shandong Province Patentee before: Software centre, Qingdao human resources Services Co., Ltd |
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| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266000 1st floor, building 1, 325 Guangbo Road, high tech Zone, Qingdao City, Shandong Province Patentee after: Qingdao Youjia Education Technology Co.,Ltd. Address before: 266000 1st floor, building 1, 325 Guangbo Road, high tech Zone, Qingdao City, Shandong Province Patentee before: QINGDAO RUIPIN INTERNET TECHNOLOGY Co.,Ltd. |
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