CN209627367U - A kind of ZigBee module applied widely - Google Patents

Abstract

The utility model discloses a kind of ZigBee modules applied widely, including circuit board, JN5169 chip, antenna circuit, crystal oscillating circuit on circuit board, JN5169 chip relevant pins configure distributed circuit and several pads: JN5169 chip is electrically connected with antenna circuit, crystal oscillating circuit, peripheral filter decoupling capacitance and each pad respectively；It further include shielding case, shielding case welds on circuit boards, plays the role of shielding interference.The design of the utility model structure is novel, easy to make, ZigBee module in the prior art can be overcome to be not easy updating and management, the single deficiency of connection type is applied widely.

Description

A kind of ZigBee module applied widely

Technical field

The utility model relates to ZigBee module technical field, specially a kind of ZigBee module applied widely.

Background technique

ZigBee is the measured long-range monitoring of one kind, control and sensor network application technology.To meet people couple Support low data rate, low-power consumption, safety and reliability, the demand of the standard type Solution of Wireless LAN of economical and efficient, ZigBee standard is come into being.Core market is that consumer electronics product, energy management and efficiency, health care, family are automatic Change, telecommunications service, building automatic and industrial automation.The peripheral circuit released around ZigBee chip technology, referred to as ZigBee module, common ZigBee module are the frequencies for following the international standard of IEEE802.15.4, and operating in 2.4GHZ Duan Shang.There is upgrading not easy to install in existing ZigBee module, the shortcomings that can only being connected by inserting mode.

Utility model content

The purpose of this utility model is to provide a kind of ZigBee modules applied widely, to solve above-mentioned background skill The problem of being proposed in art.

To achieve the above object, the utility model provides the following technical solutions: a kind of ZigBee mould applied widely Block, including circuit board, the circuit board are equipped with JN5169 chip, antenna circuit, crystal oscillating circuit, and JN5169 chip relevant pins are matched Set distributed circuit and several pads: the JN5169 chip respectively with antenna circuit, crystal oscillating circuit, peripheral filter decoupling electricity Hold and each pad is electrically connected；It further include shielding case, the shielding case welding is on circuit boards.

Preferably, the antenna circuit includes antenna, the first inductance, the second inductance, third inductance, the 4th inductance, and first Capacitor, the 4th capacitor, the 5th capacitor and the 6th capacitor；The antenna is connect with the 4th inductance one end, the 5th capacitor one end respectively, The 5th capacitor other end ground connection, the 4th inductance other end are connect with third inductance one end, the 6th capacitor one end respectively, 6th capacitor other end ground connection, the third inductance other end respectively with first inductance one end, the connection of the 4th capacitor one end, The 4th capacitor other end ground connection, the first inductance other end are connect with first capacitor one end, and the first capacitor is another End connect with second inductance one end, the 13rd pin RF_IN pin of JN5169 chip, the second inductance other end respectively with The 14th pin VB_RF1 of JN5169 chip and the 12nd pin VB_RF2 pin are connected.

Preferably, the crystal oscillating circuit includes the crystal oscillator of 7V32000035 model, the tenth capacitor and the 11st capacitor, institute The 1st pin X1 for stating crystal oscillator is connected with the 4th pin XTAL_OUT in the tenth capacitor one end and JN5169 chip respectively, described Tenth capacitor other end ground connection；3rd pin X2 and JN5169 chip 5th of the described 11st capacitor one end respectively at crystal oscillator A pin XTAL_IN is connected, and the 11st capacitor other end ground connection, the 2nd pin and the 4th pin of the crystal oscillator connects Ground.

Preferably, the JN5169 chip relevant pins configuration distributed circuit includes input power filter circuit, and pin moves back Coupling capacitance profile circuit and bias current setting circuit, the input power filter circuit include the 13rd capacitor, the 14th Capacitor, the 16th capacitor, input power pass through the 13rd capacitor, and the 14th capacitor, the 16th capacitor one end is connected to JN5169 The 9th pin VDD1 and the 30th pin VDD2 of chip, the 13rd capacitor, the 14th capacitor, the 16th another termination of capacitor Ground；The pin decoupling capacitance distributed circuit includes the 15th capacitor, the second capacitor, the 12nd capacitor, third capacitor and the Seven capacitors, the 6th pin VB_SYN of JN5169 chip pass through the 15th capacity earth, the 8th pin VB_ of JN5169 chip VCO passes through the 7th capacity earth, the JN5169 core by the second capacitor to ground, the 35th pin VB_DIG of JN5169 chip Piece the 14th pin VB_RF1 and the 12nd pin VB_RF2 passes through the 12nd capacitor and third capacitance connection to ground；The biasing Current setting circuit is the 10th pin of JN5169 chip by resistance eutral grounding, and bias current size is arranged.

Preferably, the shielding case is by the first pad, the second pad, third pad, and the 4th pad is connected to circuit board Ground connection.

Compared with prior art, the utility model has the beneficial effects that the utility model structure designs novel, production side Just, ZigBee module in the prior art can be overcome to be not easy updating and management, the single deficiency of connection type is applied widely. The ZigBee module high sensitivity of the utility model, low in energy consumption, each pad provides multiple analog interface functions and multiple numbers Word interface function, the fixed address IEEE have outstanding radio-frequency enabled, are suitable for various application occasions, be easy to user it is integrated with Exploitation.

Detailed description of the invention

Fig. 1 is a kind of functional block diagram of the utility model；

Fig. 2 is the peripheral interface circuit figure of this practical JN5169 chip；

Fig. 3 is a kind of circuit diagram of the antenna circuit of the utility model；

Fig. 4 is a kind of circuit diagram of the crystal oscillating circuit of the utility model；

Fig. 5 is the utility model input power filter circuit schematic diagram；

Fig. 6 is the utility model pin decoupling capacitance distributed circuit figure；

Fig. 7 is the utility model bias current setting circuit schematic diagram.

Fig. 8 is a kind of circuit diagram of four pads of the utility model shielding case connection；

Fig. 9 is a kind of structure chart of the utility model.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-9 is please referred to, the utility model provides a kind of technical solution: a kind of ZigBee module applied widely, Including circuit board 1, the circuit board 1 is equipped with JN5169 chip 2, antenna circuit 3, crystal oscillating circuit 4, JN5169 chip relevant pins Configure distributed circuit 6 and several pads: the JN5169 chip 2 respectively with antenna circuit 3, crystal oscillating circuit 4, peripheral filter Decoupling capacitance and the electrical connection of each pad；It further include shielding case 5, the welding of shielding case 5 is on the circuit card 1.Shielding case passes through First pad J2, the second pad J3, third pad J4, the 4th pad J5 is connected to circuit board ground, and it is anti-dry to can be improved module Disturb ability.

In the utility model, antenna circuit includes antenna J1, the first inductance L1, the second inductance L2, third inductance L3, the 4th Inductance L4, first capacitor C1, the 4th capacitor C4, the 5th capacitor C5 and the 6th capacitor C6；The antenna J1 respectively with the 4th inductance The one end L4, the connection of the 5th one end capacitor C5, the 5th capacitor C5 other end ground connection, the 4th inductance L4 other end respectively with The one end third inductance L3, the connection of the 6th one end capacitor C6, the 6th capacitor C6 other end ground connection, the third inductance L3 are another End is respectively with first one end inductance L1, and the connection of the 4th one end capacitor C4, the 4th capacitor C4 other end ground connection, described first is electric The sense L1 other end is connect with the one end first capacitor C1, the first capacitor C1 other end and second one end inductance L2, JN5169 core The 13rd pin RF_IN pin of piece connection, the second inductance L2 other end respectively with the 14th pin VB_RF1 of JN5169 chip with And the 12nd pin VB_RF2 pin be connected.

In the utility model, crystal oscillating circuit includes the crystal oscillator of 7V32000035 model, the electricity of the tenth capacitor C10 and the 11st Hold C11, the 1st pin X1 of the crystal oscillator respectively with the 4th pin XTAL_ in the tenth one end capacitor C10 and JN5169 chip OUT is connected, the tenth capacitor C10 other end ground connection；3rd pin of described 11st one end capacitor C11 respectively at crystal oscillator And the 5th pin XTAL_IN of JN5169 chip is connected, the 11st capacitor C11 other end ground connection, the 2nd of the crystal oscillator the A pin and the 4th pin ground connection.

In the utility model, it includes input power filter circuit, pin that JN5169 chip relevant pins, which configure distributed circuit, Decoupling capacitance distributed circuit and bias current setting circuit, the input power filter circuit include the 13rd capacitor C13, the 14 capacitor C14, the 16th capacitor C16, input power is by the 13rd capacitor C13, the 14th capacitor C14, the 16th capacitor The one end C16 is connected to the 9th pin VDD1 and the 30th pin electricity of VDD2, the 13rd capacitor C13, the 14th of JN5169 chip Hold C14, the 16th capacitor C16 other end ground connection；The pin decoupling capacitance distributed circuit include the 15th capacitor C15, second Capacitor C2, the 12nd capacitor C12, third capacitor C3 and the 7th capacitor C7, the 6th pin VB_SYN of JN5169 chip pass through 15th capacitor C15 ground connection, the 8th pin VB_VCO of JN5169 chip pass through the second capacitor C2 to ground, the JN5169 core The 35th pin VB_DIG of piece is grounded by the 7th capacitor C7, the 14th pin VB_RF1 of JN5169 chip and the 12nd pin VB_RF2 is connected to ground by the 12nd capacitor C12 and third capacitor C3；The bias current setting circuit is JN5169 core The 10th pin of piece is grounded by resistance R1, and bias current size is arranged.

Working principle: by the ZigBee module of the MCU control antenna circuit sending control program of other ZigBee modules, originally Using the antenna circuit receiving control program of novel ZigBee module, JN5169 chip is stored in program is controlled in FLASH. Or control program is sent to the ZigBee module of the utility model by serial line interface by host, JN5169 chip will control journey Sequence is written in FLASH.When the ZigBee module of the utility model and peripheral hardware driving circuit are cooperatively connected, the control of JN5169 chip Program Generating level signal processed works to control peripheral hardware driving circuit.

In conclusion the design of the utility model structure is novel, and it is easy to make, ZigBee mould in the prior art can be overcome Block is not easy updating and management, and the single deficiency of connection type is applied widely.The ZigBee module high sensitivity of the utility model, Low in energy consumption, each pad provides multiple analog interface functions and multiple digital interface functions, and the fixed address IEEE has outstanding Radio-frequency enabled, be suitable for various application occasions, be easy to that user is integrated and exploitation.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims (5)

1. a kind of ZigBee module applied widely, including circuit board (1), it is characterised in that: the circuit board (1) is equipped with JN5169 chip (2), antenna circuit (3), crystal oscillating circuit (4), JN5169 chip relevant pins configure distributed circuit (6) and if A dry pad: the JN5169 chip (2) respectively with antenna circuit (3), crystal oscillating circuit (4), peripheral filter decoupling capacitance and each A pad electrical connection；It further include shielding case (5), the shielding case (5) is welded on circuit board (1).

2. one kind according to claim 1 ZigBee module applied widely, it is characterised in that: the antenna circuit Including antenna (J1), the first inductance (L1), the second inductance (L2), third inductance (L3), the 4th inductance (L4), first capacitor (C1), the 4th capacitor (C4), the 5th capacitor (C5) and the 6th capacitor (C6)；The antenna (J1) respectively with the 4th inductance (L4) one End, the connection of the 5th capacitor one end (C5), the 5th capacitor (C5) other end ground connection, the 4th inductance (L4) other end difference It is connect with the one end third inductance (L3), the 6th one end capacitor (C6), the 6th capacitor (C6) other end ground connection, the third electricity (L3) other end is felt respectively with the one end the first inductance (L1), and the connection of the 4th capacitor one end (C4), the 4th capacitor (C4) is another End ground connection, the first inductance (L1) other end connect with the one end first capacitor (C1), first capacitor (C1) other end and The one end second inductance (L2), the 13rd pin RF_IN pin of JN5169 chip connection, the second inductance (L2) other end respectively with The 14th pin VB_RF1 of JN5169 chip and the 12nd pin VB_RF2 pin are connected.

3. one kind according to claim 1 ZigBee module applied widely, it is characterised in that: the crystal oscillating circuit Crystal oscillator including 7V32000035 model, the tenth capacitor (C10) and the 11st capacitor (C11), the 1st pin of the crystal oscillator X1 is connected with the 4th pin XTAL_OUT in the tenth capacitor one end (C10) and JN5169 chip respectively, the tenth capacitor (C10) other end is grounded；3rd pin X2 and JN5169 chip of 11st capacitor one end (C11) respectively at crystal oscillator 5th pin XTAL_IN is connected, the 11st capacitor (C11) other end ground connection, the 2nd pin and the 4th of the crystal oscillator A pin ground connection.

4. one kind according to claim 1 ZigBee module applied widely, it is characterised in that: the JN5169 core It includes input power filter circuit that piece relevant pins, which configure distributed circuit, and pin decoupling capacitance distributed circuit and bias current are set Circuits, the input power filter circuit include the 13rd capacitor (C13), the 14th capacitor (C14), the 16th capacitor (C16), input power passes through the 13rd capacitor (C13), and the 14th capacitor (C14), the 16th one end capacitor (C16) is connected to The 9th pin VDD1 and the 30th pin VDD2 of JN5169 chip, the 13rd capacitor (C13), the 14th capacitor (C14), the 16 capacitors (C16) other end ground connection；The pin decoupling capacitance distributed circuit includes the 15th capacitor (C15), the second capacitor (C2), the 12nd capacitor (C12), third capacitor (C3) and the 7th capacitor (C7), the 6th pin VB_SYN of JN5169 chip It is grounded by the 15th capacitor (C15), the 8th pin VB_VCO of JN5169 chip arrives ground by the second capacitor (C2), described The 35th pin VB_DIG of JN5169 chip by the 7th capacitor (C7) be grounded, the 14th pin VB_RF1 of JN5169 chip and 12nd pin VB_RF2 is connected to ground by the 12nd capacitor (C12) and third capacitor (C3)；The bias current setting electricity Road is that the 10th pin of JN5169 chip is grounded by resistance (R1), and bias current size is arranged.

5. one kind according to claim 1 ZigBee module applied widely, it is characterised in that: the shielding case is logical It crosses the first pad (J2), the second pad (J3), third pad (J4), the 4th pad (J5) is connected to circuit board ground.