CN202035144U

CN202035144U - Human body sensor network terminal based on ZIGBEE

Info

Publication number: CN202035144U
Application number: CN2011201143856U
Authority: CN
Inventors: 胡黄水; 王出航
Original assignee: JILIN PROVINCE QUANXIANG TECHNOLOGY Co Ltd
Current assignee: JILIN PROVINCE QUANXIANG TECHNOLOGY Co Ltd
Priority date: 2011-04-19
Filing date: 2011-04-19
Publication date: 2011-11-09
Anticipated expiration: 2021-04-19

Abstract

The utility model relates to a human body sensor network terminal based on ZIGBEE, which belongs to the fields of short wireless communication and intelligent health surveillance electronic equipment. The utility model aims at combining the most advanced embedded system technology, the sensor technology and the ZIGBEE wireless communication technology to realize patient health condition monitoring equipment that is high in technology, low in power consumption and low in cost, and the utility model provides the human body sensor network terminal based on the ZIGBEE. The human body sensor network terminal comprises a processor module, a ZIGBEE wireless communication module, a sensor module and a power source module. The human body sensor network terminal is suitable for various patients, especially the aged patients; by utilizing various sensors and ZIGBEE wireless networks and adopting a high-performance single chip processor STC89C51 in Hong Jing company, the human body sensor network terminal can monitor the pulse and the temperature of the patient and transmit the pulse and the temperature to a monitoring platform.

Description

Human body sensor network termination based on ZIGBEE

Technical field

The utility model belongs to short radio communication and size intelligent healthcare electronic device field.

Background technology

Enter 21 century, increasingly sharpening of society's astogeny problem, health to the elderly has caused increasing concern, society and government are also increasing to the elderly's medical pressure simultaneously, the monitoring and the family health care that how to solve the elderly's chronic disease become important society and medical care problem, and especially these needs of critically ill patient and the elderly are often monitored the colony of health.

The method for supervising to patient of hospital's use at present mainly is medical monitor and the equipment of fixing, with measurement and the transmission that connects together and carry out physiological signal with complicated connecting interface between patient and the custodial care facility, and complex apparatus has all brought very big trouble also for the doctor not only for the patient.How medical services are provided, are instant problem for patient more easily for more people provides medical security and domestic hygiene health care.An effective solution is that chronic disease is carried out long term monitoring, but there are many drawbacks in present Medical Devices, comprise developing and maintaining the cost height, also may be because the problem of equipment and line etc. have influence on the accuracy of data.

The family health care service that develops into of wireless sensor network technology and Information technology provides technical support, has wide application, and wireless sensor network has many advantages, comprises very low power consumption and great network capacity.Wireless sensor network can the automatically formatting network, accepts the data of the existing equipment in several sensor devices and the collection network.Wireless communication technology mainly comprises aspects such as tele-medicine data acquisition, the data management of patient's major physiological, the monitoring of patient's situation in the application of medical field, can make simultaneously abundant medical resource obtain sharing etc., make wireless communication technology on international medical market, obtain numerous medical experts and patient's approval.

Summary of the invention

The purpose of this utility model merges advanced at present embedded system technology, sensor technology and ZIGBEE wireless communication technology, realize a kind of high-tech, low-power consumption, patient health condition monitoring device cheaply, a kind of human body sensor network termination based on ZIGBEE is provided.

The utility model comprises processor module, ZIGBEE wireless communication module, sensor assembly, power module;

The I2C bus links to each other with primary processor STC89C51, and primary processor P1.6 pin links to each other with the SCL pin of 24C08, and primary processor P1.7 pin links to each other with the SDA pin of 24C08;

Primary processor pin P1.4 links to each other with temperature sensor I/O pin, and signal of sensor is connected with A1, the B1 pin of 74LS132, and the Y1 pin of 74LS132 is connected with the P3.2 pin of processor;

Reset pin/the RESET of ZIGBEE module is connected with the

9,10 of NAND gate 74HCT00, the RXD of processor links to each other with the DOUT pin of ZIGBEE module, the TXD of processor links to each other with the DIN pin of ZIGBEE module, and processor input and output pin P1.5 links to each other with the SLEEP_RQ pin of ZIGBEE module.

The utility model is based on the human body sensor network termination of ZIGBEE, it is applicable to all kinds of patients, especially elderly patients, by various kinds of sensors and ZIGBEE wireless network, adopt the STC89C51 of high-performance monolithic processor macrocrystalline company, realization is to the monitoring of patient's pulse, body temperature, and transfers to the monitoring platform.

Description of drawings

Fig. 1 is the utility model circuit structure block diagram;

Fig. 2 is the utility model processor module circuit;

Fig. 3 is the utility model sensor module circuitry;

Fig. 4 is the utility model ZIGBEE wireless communication module circuit.

Embodiment

Reset pin/the RESET of ZIGBEE module is connected with the

Primary processor links to each other with the ZIGBEE wireless communication module with sensor assembly, is responsible for processing and transmission to the sensor acquisition data.Sensor assembly one end links to each other with primary processor, the other end connects obstructed transducer, be responsible for pulse, the isoparametric collection of body temperature, ZIGBEE wireless communication module one end links to each other with primary processor, the other end sends the control of health monitoring data and reception monitoring platform and data is set by wireless mode and other node communication.

Below in conjunction with accompanying drawing the utility model is done specific description:

Referring to figure l, the utility model comprises: STC89C51 processor module, ZIGBEE wireless communication module, sensor assembly, and power module.

1, wherein, coordination and the running between each module is in charge of and coordinated to the STC89C51 processor, it is the core that function realizes in the utility model, STC89C51 is the very high a single-chip microcomputer of cost performance of macrocrystalline company exploitation, it has stronger disposal ability and superpower antijamming capability, is a 8 single-chip microcomputer, inner integrated abundant peripheral hardware is as house dog, timer etc.The STC89C51 processor is sent to the monitoring platform by the ZIGBEE wireless communication module after with the data processing of sensor assembly collection, and the STC89C51 processor can receive the data that are provided with of monitoring platform, as pulse, the isoparametric threshold value of body temperature, deposit E2PROM in, automatic load operating behind the power-off restarting.

As shown in Figure 2, E2PROM memory of the present invention is mainly used to storage parameter is set, so that can load user setup data automatically after system restarts, and store alarms information, when relevant measurement value sensor reached preset threshold, primary processor produced warning message, and deposits E2PROM in.Select the I2C bus interface memory 2408 of atmel corp among the present invention for use, link to each other with primary processor STC89C51 by the I2C bus.The P1.6 pin of primary processor STC89C51 links to each other with 2408 SCL pin, and the P1.7 pin of primary processor STC89C51 links to each other with 2408 SDA pin.Processor STC89C51 passes through the read-write operation of the sequential realization of software simulation I2C to E2PROM 2408.

2, sensor assembly is mainly realized the collection to guardianship pulse and body temperature, as shown in Figure 3, that the collection usefulness of body temperature is the 1-wire digital temperature sensor DS18B20 that DALLAS company produces among the present invention, and it is the temperature sensor of first support " one-wire bus " interface in the world.One-wire bus simplicity of design uniqueness, and economical and practical, and the designer can be set up the network of transducer like a cork.Primary processor STC89C51 links to each other with the I/O pin of temperature sensor DS18B20 by pin P1.4, realizes the collection to detected object body temperature.Pulse transducer adopts the HK200A of Hefei Huake Electron Technique Research Academy among the present invention as described in Figure 3, in order to detect accurately, adopt smith trigger chip 74LS132 filtering interfering, the output signal of transducer HK200A is connected with the A1 of 74LS132, B1 pin, the Y1 pin of 74LS132 is connected with the P3.2 pin of processor STC89C51, realizes the collection to the pulse pulse.

3, the ZIGBEE wireless communication module is used for the transmission of monitoring parameter, as shown in Figure 4, and based on XBEE-PRO (S2) the ZIGBEE module realization terminal of human body sensor network termination employing MAXSTREAM company and the communicating by letter of monitoring platform of ZIGBEE.Described ZIGBEE is a special low data rate for short distance wireless sensor and Control System Design, low-power consumption reaches wireless communication standard cheaply, the ZIGBEE wireless communication module that the present invention adopts is directly controlled and transfer of data by serial ports AT order, simplicity of design, reset pin/the RESET of XBEE-PRO (S2) ZIGBEE module and the pin 9 of NAND gate 74HCT00,10 connect, primary processor STC89C51 adopts serial ports to link to each other with the ZIGBEE module, the RXD that is processor STC89C51 links to each other with the DOUT pin of XBEE-PRO (S2) ZIGBEE module, the TXD of processor STC89C51 links to each other with the DIN pin of XBEE-PRO (S2) ZIGBEE module, the common input and output pin P1.5 of processor STC89C51 links to each other with the SLEEP_RQ pin of XBEE-PRO (S2) ZIGBEE module, controls this module and enters sleep state.

Claims

1. the human body sensor network termination based on ZIGBEE is characterized in that: comprise processor module, ZIGBEE wireless communication module, sensor assembly, power module;

Reset pin/the RESET of ZIGBEE module is connected with the pin 9,10 of NAND gate 74HCT00, the RXD of processor links to each other with the DOUT pin of ZIGBEE module, the TXD of processor links to each other with the DIN pin of ZIGBEE module, and processor input and output pin P1.5 links to each other with the SLEEP_RQ pin of ZIGBEE module.