CN206524981U - A kind of indoor positioning monitoring system based on Zigbee - Google Patents

A kind of indoor positioning monitoring system based on Zigbee Download PDF

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Publication number
CN206524981U
CN206524981U CN201621076566.3U CN201621076566U CN206524981U CN 206524981 U CN206524981 U CN 206524981U CN 201621076566 U CN201621076566 U CN 201621076566U CN 206524981 U CN206524981 U CN 206524981U
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electric capacity
circuit
chips
power
pin
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单志林
李臻
金东勇
王鹍
干露
王永攀
胡佳
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East China Institute Of Electronic Engineering (china Electronic Technology Group Corp Thirty-Eighth Research Institute)
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East China Institute Of Electronic Engineering (china Electronic Technology Group Corp Thirty-Eighth Research Institute)
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Abstract

The utility model discloses a kind of indoor positioning monitoring system based on Zigbee, it uses multiple positioning cards.Each positioning cards include control module and are electrically connected with and are controlled by battery/power source management module, electric quantity acquisition circuit, temperature collection circuit, state indicator module, radio circuit, the telecommunication circuit of control module with control module respectively.By electric quantity acquisition circuit, the information about power of corresponding positioning cards is gathered in real time.By temperature collection circuit, the temperature parameter of corresponding positioning cards is gathered in real time.By state indicator module, working condition is shown in the way of indicator lamp.By radio circuit, radio frequency signal is received and dispatched and signal intensity is detected.By telecommunication circuit, corresponding positioning cards are configured.The utility model can determine relative position and the absolute position of positioning cards in real time;The temperature and electrical parameter of positioning cards are detected in real time.

Description

A kind of indoor positioning monitoring system based on Zigbee
Technical field
The utility model is related to a kind of radio communication alignment system, more particularly to a kind of indoor positioning prison based on Zigbee Examining system.
Background technology
ZigBee technology be it is a kind of closely, low complex degree, low-power consumption, low cost two-way wireless communication technology.Pass through 2.4G MANET agreements, can be achieved the group-net communication of up to 65536 nodes in LAN, realize internet of things sensors channel radio Letter, is widely used in industrial circle.In urban road and region, large area is covered GPS positioning system, therefore, needs to be ground A kind of indoor positioning monitoring system based on Zigbee is sent, applicable colliery or tunnel determine position and the hair of staff Staff is quickly found when raw dangerous;The container of tracking quay shed starts shipment situation;For hazardous areas such as power plant, transformer stations Domain, determines location of personnel;For home for destitute, it is determined that the interior such as the position for the personnel that are admitted to hospital and urgent call when causing danger Need the occasion of positioning.
Utility model content
The utility model purpose is a kind of indoor positioning monitoring system based on Zigbee of offer, and its positioning cards can be real Show being accurately positioned for system.
To achieve the above object, the utility model is realized using following technical scheme:A kind of room based on Zigbee Interior positioning monitoring system, it uses multiple positioning cards;Each positioning cards include control module and respectively with control module Battery/power source management module, electric quantity acquisition circuit, temperature collection circuit, the state for being electrically connected with and being controlled by control module refer to Show module, radio circuit, RS485 telecommunication circuits;By electric quantity acquisition circuit, the electricity letter of corresponding positioning cards is gathered in real time Breath;By temperature collection circuit, the temperature parameter of corresponding positioning cards is gathered in real time;By state indicator module, by work shape State is shown in the way of LED;By radio circuit, radio frequency signal is received and dispatched and signal intensity is detected;Pass through Corresponding positioning cards are configured by RS485 telecommunication circuits.
As the further improvement of such scheme, battery is powered access battery/power source by a battery access interface Management module, battery anode series winding diode D6, out-put supply VDD as battery/power source management module supply voltage;Electricity Power vd D is converted to power supply VCC by pond/power management module, and both power supplys are supplied to the modules of corresponding positioning cards Use.
Further, battery/power source management module includes power supply chip, resistance R3, electric capacity C11, electric capacity C14, diode D6;On the one hand power input IN connections the power vd D, power vd D of the power supply chip be grounded via electric capacity C11, the opposing party Face via the resistance R3 connections power supply chip Enable Pin EN;The power output end OUT out-put supplies of the power supply chip VCC, the earth terminal GND ground connection of the power supply chip and the serial capacitance C14 between power supply VCC.
Further, control module include CC2530 chips, reset circuit, two crystal oscillating circuits, decoupling and filter circuit, RF transmit-receive circuit;Reset circuit provides CC2530 chips reset, and two crystal oscillating circuits are needed to CC2530 chip offers work The crystal oscillator wanted, decoupling and filter circuit realize decoupling and filter function to CC2530 chips, and RF transmit-receive circuit is to CC2530 cores Piece realizes radio transmission-receiving function.
Further, decoupling and filter circuit include inductance L1, electric capacity C1~C8;Electric capacity C1 is connected in parallel on CC2530 chips On pin AVDD_DREG, electric capacity C2 is connected in parallel on the pin DVDD of CC2530 chips, and electric capacity C3 is connected in parallel on drawing for CC2530 chips On pin AVDD5/AVDD_SOC, electric capacity C4 is connected in parallel on the pin AVDD3 of CC2530 chips, and electric capacity C5, electric capacity C6 are connected in parallel on On pin AVDD2, AVDD1, AVDD4 of CC2530 chips, electric capacity C7 is connected in parallel on the pin AVDD_GUARD of CC2530 chips, Electric capacity C8 and electric capacity C1~C7 are in parallel and are connected power vd D via inductance L1.
Further, RF transmit-receive circuit includes electric capacity C9~C10, C12, C15~C17 and inductance L2~L4;Electric capacity C9 One end connect the pin RF_P of CC2530 chips, the electric capacity C9 other end is grounded via electric capacity C10, electric capacity C17;Electric capacity C12 One end connect the pin RF_N of CC2530 chips, the electric capacity C12 other end is grounded via electric capacity C15;An inductance L2 termination Ground, the inductance L2 other end is connected between electric capacity C9 and electric capacity C10 and is also connected with inductance L3 one end, the inductance L3 other end Be connected between electric capacity C12 and electric capacity C15 and be also connected with inductance L4 one end, the inductance L4 other end be connected to electric capacity C10 and Exterior antenna E1 is met between electric capacity C17 and also via electric capacity C13;An electric capacity C16 termination exterior antenna E1, electric capacity C16's is another One end is grounded.
As the further improvement of such scheme, telecommunication circuit uses RS485 telecommunication circuits.
As the further improvement of such scheme, each positioning cards include the Function Extension being electrically connected with control module Module.
As the further improvement of such scheme, the indicator lamp uses LED.
The utility model has the advantage of:
1st, relative position and the absolute position of positioning cards are determined in real time.
2nd, the temperature and electrical parameter of positioning cards are detected in real time.
3rd, position location is determined at 3 points according to or multipoint positioning model.
4th, with server data library management and map display function.
5th, possesses low-consumption wireless networking function.
6th, with RS485 communications setting interfaces.
Brief description of the drawings
Fig. 1 is the positioning principle block diagram of the indoor positioning monitoring system based on Zigbee.
Fig. 2 is the circuit block diagram of the positioning cards of indoor positioning monitoring system of the utility model based on Zigbee.
Fig. 3 is the circuit diagram of battery/power source management module in Fig. 2.
Fig. 4 is the circuit diagram of control module in Fig. 2.
Fig. 5 is the circuit diagram of temperature collection circuit in Fig. 2.
Fig. 6 is the circuit diagram of RS485 telecommunication circuits in Fig. 2.
Fig. 7 is the circuit diagram of electric quantity acquisition circuit in Fig. 2.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain The utility model, is not used to limit the utility model.
The indoor positioning monitoring system based on Zigbee shown in installation diagram 1, in the space for needing to position, every 50~ 100 meters of arrangements, one nodes of locations 2, the nodes of locations 2 provides location parameter as whole alignment system;By each nodes of locations 2 initialize installation in alignment system;The persons or thingses for needing to position are worn into a positioning cards 3;Positioning cards 3 and position The data of node 2 carry out data transmit-receive by route/back end 4.Route or back end 4 by netting twine and interchanger 5 with Background server 1 sets up communication, so as to set up a set of wireless location system.
Wherein multipoint positioning method is as described below:Positioning cards positions of the X for needed for, it is known that 3 positions of A, B, C, and The distance of X points and 3 points of A, B, C.It is the centre of sphere to take any point in A or B or C, with A, B, the distance conduct of C RSSI signals conversion Radius makees spherical chart, obtains the particular location that three spherical point of intersection are X.If desired more accurate position, can choose E, F etc. Point, repeats to map.
Fig. 2 is the module frame chart of positioning cards 3 of the present utility model.Each positioning cards include control module 30 and divided Be not electrically connected with control module 30 and be controlled by the battery/power source management module 31 of control module 30, electric quantity acquisition circuit 32, Temperature collection circuit 33, state indicator module 34, radio circuit 35, telecommunication circuit 36 (can be RS485 telecommunication circuits), function expand Open up module 37.By electric quantity acquisition circuit 32, the information about power of corresponding positioning cards is gathered in real time;Pass through temperature collection circuit 33, the temperature parameter of corresponding positioning cards is gathered in real time;By state indicator module 34, by working condition with indicator lamp (such as LED Lamp) mode show;By radio circuit 35, radio frequency signal is received and dispatched and signal intensity is detected;It is logical by RS485 Letter circuit is configured to corresponding positioning cards;Function Extension is realized by 37 pairs of corresponding positioning cards of function expanding module.
In other words, single-chip microcomputer IC1 is responsible for the work and operation of whole node as microcontroller.Pass through electric quantity acquisition Circuit, gathers the information about power of the node in real time;By temperature collecting cell, the temperature parameter of the node is gathered in real time;Pass through Indicator light circuit, working condition is shown in the way of LED, is easy to operating personnel and commissioning staff;Pass through 2.4G radio frequency electricals Road, 2.4G radio frequency signals are received and dispatched and signal intensity is detected;By RS485 circuits, node is configured.
Referring to Fig. 3, battery, which is powered, by a battery access interface accesses battery/power source management module 31, battery Anode series winding diode D6, out-put supply VDD as battery/power source management module 31 supply voltage;Battery/power source is managed Power vd D is converted to power supply VCC by module 31, and the modules by both power supplys for corresponding positioning cards 3 are used.
Battery/power source management module 31 includes power supply chip, resistance R3, electric capacity C11, electric capacity C14, diode D6;It is described On the one hand power input IN connections the power vd D, power vd D of power supply chip be grounded via electric capacity C11, on the other hand via electricity Hinder the Enable Pin EN of the R3 connections power supply chip;The power output end OUT out-put supplies VCC of the power supply chip, the electricity The earth terminal GND ground connection of source chip and the serial capacitance C14 between power supply VCC.
In the present embodiment, battery is powered access circuit board by battery access interface, battery positive series winding diode D6, VDD_3.3V is as circuit board supply voltage for output, and VDD_3.3V is converted into VCC_1.8 using power supply chip LP5907, And use other unit modules in the common single-chip microcomputer IC1 of two kinds of power supplys and circuit.Wherein LP5907 pins 1 connect C11 filtered electricals Hold, LP5907 pins 2 connect R3 pull-up, enable power supply chip LP5907, LP5907 pin 4 and connect C14 decoupling capacitors and export VCC_ 1.8。
Referring to Fig. 4, control module 30 includes CC2530 chips, reset circuit, two crystal oscillating circuits, decoupling and filtered electrical Road, RF transmit-receive circuit;Reset circuit provides reset to CC2530 chips, and two crystal oscillating circuits are to CC2530 chip offer work The crystal oscillator needed, decoupling and filter circuit realize decoupling and filter function to CC2530 chips, and RF transmit-receive circuit is to CC2530 Chip realizes radio transmission-receiving function.
Decoupling and filter circuit include inductance L1, electric capacity C1~C8;Electric capacity C1 is connected in parallel on the pin AVDD_ of CC2530 chips On DREG, electric capacity C2 is connected in parallel on the pin DVDD of CC2530 chips, and electric capacity C3 is connected in parallel on the pin AVDD5/ of CC2530 chips On AVDD_SOC, electric capacity C4 is connected in parallel on the pin AVDD3 of CC2530 chips, and electric capacity C5, electric capacity C6 are connected in parallel on CC2530 cores On pin AVDD2, AVDD1, AVDD4 of piece, electric capacity C7 is connected in parallel on the pin AVDD_GUARD of CC2530 chips, electric capacity C8 with Electric capacity C1~C7 is in parallel and via inductance L1 connection power vds D.
RF transmit-receive circuit includes electric capacity C9~C10, C12, C15~C17 and inductance L2~L4;Electric capacity C9 one end connection The pin RF_P of CC2530 chips, electric capacity the C9 other end are grounded via electric capacity C10, electric capacity C17;Electric capacity C12 one end connection The pin RF_N of CC2530 chips, electric capacity the C12 other end are grounded via electric capacity C15;Inductance L2 one end ground connection, inductance L2's The other end is connected between electric capacity C9 and electric capacity C10 and is also connected with inductance L3 one end, and the inductance L3 other end is connected to electric capacity Between C12 and electric capacity C15 and inductance L4 one end is also connected with, the inductance L4 other end is connected between electric capacity C10 and electric capacity C17 And also meet exterior antenna E1 via electric capacity C13;Electric capacity C16 termination an exterior antenna E1, electric capacity C16 other end ground connection.
In the present embodiment, control module 30 includes TI CC2530 chips, reset circuit R4 and C19, crystal oscillating circuit C21, C22, Y2, crystal oscillating circuit C23, C24, Y1, decoupling and filter circuit L1, C1, C2, C3, C4, C5, C6, C7, C8, power supply electricity Source VDD_3.3V and VCC_1.8 and power supply.RF transmit-receive circuit, to design the radio frequency matched with IC1 internal radio frequency modules Network, the radio frequency network is collectively constituted by electric capacity C9, C10, C12, C15, C16, C17 and inductance L2, L3, L4, and by C9 with C12 access IC1 pins 26 and pin 25, outside 50 ohm antenna E1 is picked out by C13.State indication unit, by IC1 pins 9 connection LED2 and R1, R1 access power vd D_3.3V;LED1 and R2, R2 access power vds D_3.3V are connected by IC1 pins 11. LED1 and LED2 low and high level is controlled to indicate node working condition by single-chip microcomputer.
Minimum system by the I/O interface and peripheral hardware of single-chip microcomputer respectively with electric quantity acquisition circuit, temperature collection circuit, instruction Circuit for lamp, radio circuit and RS485 circuits are connected.
By chip DS18B20 it is U1's by single-chip microcomputer IC1 digital pins P0_7 referring to Fig. 5, temperature collection circuit 33 Digital pin 2 is accessed, while the U1 connecting resistance R5 of pin 2 pull-up, U1 pin 3 connects power vd D_3.3V and and company's filter capacitor C18, U1 pin 1 are with connecing circuit board.Single-chip microcomputer is set up by Digital I/O and communicated with U1 monobus, reads the temperature letter of node Cease and report.
Referring to Fig. 6, RS485 telecommunication circuits 36 by IC1 UART units pin 17 by R7 connections U2 pin 1, draw Pin 18 connects IC1 pin 16 U2 pin 2 and pin 3 by R10 connections U2 pin 4, and U2 pin 6, pin 7 lead to Resistance R8, R9, R11 access RS485 output interfaces are crossed, U2 pins 8 connect power vd D_3.3V, U2 pin 5 with connecing power supply.Pass through IC UART units access RS485 communication, to position Node station positioning cards carry out parameter setting.
Referring to Fig. 7, electric quantity acquisition circuit 32 will connect single-chip microcomputer IC1 simulation defeated by R20 and R21 after battery voltage divider Enter pin P1_2, while connecting decoupling capacitor C30 and overvoltage protection diode D5, test battery input voltage VDD_3.3V, it is real When monitoring node supplying cell information, and node information about power is reported.
Above content is to combine the detailed description that specific preferred embodiment is made to the utility model, it is impossible to assert this Utility model specific implementation is only limitted to these explanations.For the utility model person of ordinary skill in the field, not On the premise of departing from the utility model design, some simple deduction or replace can also be made, this practicality should be all considered as belonging to The new utility model protection scope determined by the claims submitted.

Claims (9)

1. a kind of indoor positioning monitoring system based on Zigbee, it uses multiple positioning cards;It is characterized in that:Each positioning Card include control module (30) and be electrically connected with respectively with control module (30) and be controlled by the batteries of control module (30)/ Power management module (31), electric quantity acquisition circuit (32), temperature collection circuit (33), state indicator module (34), radio circuit (35), telecommunication circuit (36);By electric quantity acquisition circuit (32), the information about power of corresponding positioning cards is gathered in real time;Pass through temperature Acquisition Circuit (33) is spent, the temperature parameter of corresponding positioning cards is gathered in real time;By state indicator module (34), by working condition Shown in the way of indicator lamp;By radio circuit (35), radio frequency signal is received and dispatched and signal intensity is detected;Pass through Corresponding positioning cards are configured by RS485 telecommunication circuits (36).
2. the indoor positioning monitoring system according to claim 1 based on Zigbee, it is characterised in that:Pass through a battery Access interface, which powers battery, accesses battery/power source management module (31), the anode series winding diode D6 of battery, out-put supply VDD as battery/power source management module (31) supply voltage;Power vd D is converted to electricity by battery/power source management module (31) Source VCC, and modules by both power supplys for corresponding positioning cards (3) use.
3. the indoor positioning monitoring system according to claim 2 based on Zigbee, it is characterised in that:Battery/power source pipe Managing module (31) includes power supply chip, resistance R3, electric capacity C11, electric capacity C14, diode D6;The power input of the power supply chip IN connections power vd D, power vd D is held on the one hand to be grounded via electric capacity C11, on the other hand via the resistance R3 connections power supply core The Enable Pin EN of piece;The power output end OUT out-put supplies VCC of the power supply chip, the earth terminal GND of the power supply chip connect Ground and the serial capacitance C14 between power supply VCC.
4. the indoor positioning monitoring system according to claim 2 based on Zigbee, it is characterised in that:Control module (30) Including CC2530 chips, reset circuit, two crystal oscillating circuits, decoupling and filter circuit, RF transmit-receive circuit;Reset circuit pair CC2530 chips provide reset, and two crystal oscillating circuits provide CC2530 chips the crystal oscillator of need of work, decoupling and filter circuit Decoupling and filter function are realized to CC2530 chips, RF transmit-receive circuit realizes radio transmission-receiving function to CC2530 chips.
5. the indoor positioning monitoring system according to claim 4 based on Zigbee, it is characterised in that:Decoupling and filtered electrical Road includes inductance L1, electric capacity C1~C8;Electric capacity C1 is connected in parallel on the pin AVDD_DREG of CC2530 chips, and electric capacity C2 is connected in parallel on On the pin DVDD of CC2530 chips, electric capacity C3 is connected in parallel on the pin AVDD5/AVDD_SOC of CC2530 chips, and electric capacity C4 is simultaneously Be associated on the pin AVDD3 of CC2530 chips, electric capacity C5, electric capacity C6 be connected in parallel on the pin AVDD2 of CC2530 chips, AVDD1, On AVDD4, electric capacity C7 is connected in parallel on the pin AVDD_GUARD of CC2530 chips, electric capacity C8 it is in parallel with electric capacity C1~C7 and via Inductance L1 connection power vds D.
6. the indoor positioning monitoring system according to claim 4 based on Zigbee, it is characterised in that:RF transmit-receive circuit Including electric capacity C9~C10, C12, C15~C17 and inductance L2~L4;Electric capacity C9 one end connects the pin RF_ of CC2530 chips P, electric capacity the C9 other end are grounded via electric capacity C10, electric capacity C17;Electric capacity C12 one end connects the pin RF_ of CC2530 chips N, electric capacity the C12 other end are grounded via electric capacity C15;Inductance L2 one end ground connection, the inductance L2 other end is connected to electric capacity C9 Between electric capacity C10 and be also connected with inductance L3 one end, the inductance L3 other end be connected between electric capacity C12 and electric capacity C15 and Inductance L4 one end is also connected with, the inductance L4 other end, which is connected between electric capacity C10 and electric capacity C17 and also via electric capacity C13, to be connect Exterior antenna E1;Electric capacity C16 termination an exterior antenna E1, electric capacity C16 other end ground connection.
7. the indoor positioning monitoring system according to claim 1 based on Zigbee, it is characterised in that:Telecommunication circuit (36) Using RS485 telecommunication circuits.
8. the indoor positioning monitoring system according to claim 1 based on Zigbee, it is characterised in that:Each positioning cards Including the function expanding module (37) being electrically connected with control module (30).
9. the indoor positioning monitoring system according to claim 1 based on Zigbee, it is characterised in that:The indicator lamp is adopted Use LED.
CN201621076566.3U 2016-09-23 2016-09-23 A kind of indoor positioning monitoring system based on Zigbee Active CN206524981U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106255049A (en) * 2016-09-23 2016-12-21 华东电子工程研究所(中国电子科技集团公司第三十八研究所) Indoor positioning based on Zigbee monitoring system and monitoring method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106255049A (en) * 2016-09-23 2016-12-21 华东电子工程研究所(中国电子科技集团公司第三十八研究所) Indoor positioning based on Zigbee monitoring system and monitoring method thereof

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