CN208637062U - The Internet of things node device of multi-pass letter fusion - Google Patents

Abstract

A kind of Internet of things node device of multi-pass letter fusion, teaching demonstration is provided for the relevant electronics of school or Internet of Things profession and student does related experiment use on experiment porch, and the left side of node bottom plate is equipped with ZIGBEE/ bluetooth communication, middle part is equipped with STC main control chip, right side is equipped with key part, LED light and downloading debugging interface；Node bottom plate also provides two expansible interfaces, is respectively intended to connection LCD display interface and sensor converting interface.Modularized design, all the sensors pinboard and sensor node all can be used alone and are optionally combined, and communication mode is more, and modularized design, scalability is strong, and sensor selection is convenient, meet the requirement for doing various communication experiments.

Description

The Internet of things node device of multi-pass letter fusion

Technical field

This patent is related to a kind of Internet of things node device of multi-pass letter fusion, for the relevant electronics of school or Internet of Things Profession provides teaching demonstration and student does related experiment use on experiment porch.

Background technique

Internet of Things possesses bigger market at present, and the relevant electronic product of Internet of Things is also more and more in recent years, but Be product quality it is irregular, function is also not perfect, due to being more emerging technology, so not also being in the relevant technologies It is especially mature, so with regard to being badly in need of that the talent of relevant speciality is wanted to carry out fill up the gap, and the culture of this respect talent is necessarily with reality Based on operation, general experiment porch, function is all relatively simple, and each functional module is also not easy to disassembly and does experiment pole not side Just, so being badly in need of wanting a kind of function is fairly perfect conveniently to do the experiment platform for IOT tested.

Utility model content

In order to solve above-mentioned problems of the prior art, the utility model provides a kind of Internet of Things of multi-pass letter fusion Node apparatus.

The technical scheme adopted by the utility model to solve the technical problem is as follows: the Internet of things node dress of multi-pass letter fusion It sets, includes node bottom plate, the left side of node bottom plate is equipped with ZIGBEE/ bluetooth communication, middle part is equipped with STC main control chip, Right side is equipped with key part, LED light and downloading debugging interface；Power unit be separately connected ZIGBEE/ bluetooth communication, STC main control chip, key part, LED light and downloading debugging interface；Node bottom plate also provides two expansible interfaces, It is respectively intended to connection LCD display interface and sensor converting interface.

Compared to the prior art, the biggest advantage is to modularized design, all the sensors to turn for this patent for the utility model Fishplate bar and sensor node all can be used alone and are optionally combined, and communication mode is more, and modularized design, scalability is strong, Sensor selection is convenient.Different combinations can do different experiments, and there are four types of the Internet of things node device bands of multi-pass letter fusion Communication mode, WIFI, bluetooth, the communication of ZIGBEE and 433MHz wireless module, also has nearly 30 kinds common sensor pinboards, Pinboard be it is dismountable, and node all have LED light, key and 160*128 LCD color screen and can be independently-powered, it is single A node is also a small development board, and different communication nodes and different sensors have hundreds of combination, meet and do The requirement of various communication experiments.

Specific advantage 1: communication mode is more: node band there are four types of different communication modes, have WIFI, ZIGBEE, bluetooth and The communication mode of 433MHz wireless module.

Specific advantage 2: modularized design: node can cooperate the use of Multichannel fusion wireless network experimental provision also individually to take Get off to test, each node does not interfere independently of each other.

Specific advantage 3: scalability is strong: having a Multi-function extension interface on node, can connect 30 kinds or so of common biography Sensor equipment, and different types of junction sensor expansion interface is the same, that is and sensor is all general, enhancing Scalability.

Specific advantage 4: it manually selects sensor type: it is solid to close the sensor that common different sensors need programming different Part is different, in the case that this node may be implemented in without programming firmware again, achieves that not simultaneous interpretation by the key on node The switching of sensor.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it can also obtain other drawings based on these drawings.

Fig. 1 is the structure chart of the Internet of things node device ZIGBEE/ bluetooth nodes of Multichannel fusion；

Fig. 2 is the structure chart of the Internet of things node device WIFI node of Multichannel fusion；

Fig. 3 is ZIGBEE node schematic diagram,

Fig. 4 is bluetooth nodes schematic diagram,

Fig. 5 is WIFI node schematic diagram,

Description of symbols:

1, node bottom plate；2, ZIGBEE/ bluetooth communication；3, power unit；4, key part；5, LED light； 6, sensor converting interface；7, LCD display interface；8, debugging interface is downloaded；9, STC main control chip；

Specific embodiment

Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing Exemplary embodiment, it being understood, however, that can realize the disclosure without should be by embodiments set forth here institute in a variety of manners Limitation.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be complete by the scope of the present disclosure Whole is communicated to those skilled in the art.

In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.

The Internet of things node device of multi-pass letter fusion, Fig. 1 are that the Internet of things node device ZIGBEE/ of Multichannel fusion is blue The structure chart of tooth node, Fig. 2 are the structure charts of the Internet of things node device WIFI node of Multichannel fusion, include node bottom plate 1, the left side of node bottom plate 1 is equipped with ZIGBEE/ bluetooth communication 2, middle part is equipped with STC main control chip 9, right side is equipped with button portion Divide 4, LED light 5 and downloading debugging interface 8；Power unit 3 is separately connected ZIGBEE/ bluetooth communication 2, STC master control Chip 9, key part 4, LED light 5 and downloading debugging interface 8；Node bottom plate 1 also provides two expansible interfaces, point LCD display interface 7 and sensor converting interface 6 Yong Lai not connected.

ZIGBEE/ bluetooth communication 2 includes ZIGBEE, bluetooth, 433MHz wireless module and WIFI；Wherein ZIGBEE Module has PA signal amplifier；ZIGBEE can show network address and MAC Address；Bluetooth and WIFI can show present node Number and connection network name, can the collected numerical value of real-time display present node.

LCD display interface 7 is connected to LCD screen, and LCD screen is the LCD color screen of 160*128, can show the connection of present node The sensor type that state, present node are connect.

Sensor converting interface 6 is connected with common sensor pinboard, section of the sensor pinboard in four kinds of communication types It is general on point.Common sensor has: illumination simulation sensor module；Digital light sensor module；Hall sensor mould Block；Flame sensor module；Temperature sensor module；Carbon monoxide transducer module temperature and humidity module；Gas pressure sensor module； Sound and light alarm module；Raindrop sensor module；Smoke sensor device module；Noise transducer module；Alcohol sensor module；Ultrasound Wave sensor module；Vibrating sensor module；Relay module；RGB color sensor；Numeral method control module；Direct current Motor control module；Step motor control module；3-axis acceleration sensor module；Human body infrared inductive pick-up module；It is red Outer obstacle avoidance sensor module；Serial ports conversion module；125KB card reading module；13.56M card reading module.

Power unit 3 uses two kinds of power supply modes, and both available system bottom plate was powered, and the power supply that a 5V can also be used is independent Power supply, it is easy to disassemble to get off individually to do experiment use.

Specifically optimize, downloading debugging interface 8 can be used to in-circuit emulation and downloading program.

Specifically optimize, experiment and all workable LED light of communication experiment based on LED light.

Specifically optimize, there is the function button of a reset key and two user-programmables in key part 4.

Specifically optimize, STC main control chip is the main control chip of STC15 series；In ZIGBEE/ bluetooth communication 2 The node of WIFI and 433MHz wireless module is all connected with the main control chip of STC, for realizing the acquisition and processing of data.

According to following principle diagram design circuit, ZIGBEE uses Z-stack protocol stack, it can be achieved that node and coordinator Ad hoc network, and can realize that specific ZIGBEE network is only added in node by way of manual setting, realize multiple In ZIGBEE network environment the problem of signal cross-talk.Bluetooth uses bluetooth protocol repertory, it can be achieved that node and other bluetooth equipments Connection, other bluetooth equipments after connecting node can receive and control connection node.WIFI can be by manually selecting To distinguish different nodes, the equipment with WIFI can realize node upon establishment of a connection for WIFI network and the number of setting node The reception and control node of data.433MHz wireless module upon establishment of a connection, can be by remotely receiving 433MHz wireless module The node of data and control 433MHz wireless module.

Embodiment 2

Fig. 3 is ZIGBEE node schematic diagram, includes CC2530 communication module U1, has electrode capacitance C1, capacitor C2, key K1, key K2, key K3, resistance R1, resistance R2, resistance R3, resistance R9, resistance R10, resistance R11, diode D1, capacitor C6, There is electrode capacitance C5, have electrode capacitance C3, capacitor C4, there is electrode capacitance C1 to connect one end with GNG with the one end capacitor C2 and connected with power supply, The one end key K1 connects one end with the 19th foot of U1 and connects with resistance R2, and the one end key K2 connects one end and electricity with 18 feet of U1 Hinder R30 connection, the one end key K3 connects one end with 24 feet of U1 and connects with resistance R1, have electrode capacitance C5 and the one end capacitor C6 with The 1st foot of U2 connects one end and connects with GND, has electrode capacitance C3 to connect one end with the 2nd foot of U2 with the one end capacitor C4 and connects with GND, and two The one end pole pipe D1 connects one end with resistance R4 and connects with GND.

Fig. 4 is bluetooth nodes schematic diagram, include cc2540 bluetooth module U1, have electrode capacitance C1, capacitor C2, key K1, Key K2, key K3, resistance R2, resistance R9, resistance R3, resistance R10, resistance R1, resistance R11, diode D1, there is electrode capacitance C5, capacitor C6, there are electrode capacitance C3, capacitor C4, there is electrode capacitance C1 to connect one end with GND with the one end capacitor C2 and connected with power supply, pressed The one end key K1 connects one end with the 4th foot of U1 and connects with resistance R2, and the one end key K2 connects one end and resistance R3 with the 3rd foot of U1 Connection, the one end key K3 connect one end with the 11st foot of U1 and connect with resistance R1, have electrode capacitance C5 to connect with the one end capacitor C6 with GND One end is connected with the 1st foot of U2, is had electrode capacitance C3 to connect one end with the 3rd foot of U2 with the one end capacitor C4 and is connected with GND, diode D1 mono- End connects one end with R4 and connects with GND.

Fig. 5 is WIFI node schematic diagram, includes inductance FB1, capacitor C8, resistance R9, diode D4, diode D2, electricity Resistance R6, capacitor C9,12MHz crystal oscillator, capacitor C12, capacitor C13, there are electrode capacitance C7, wifi module U1, resistance R1, capacitor C1, electricity Resistance R2, there are electrode capacitance C2, resistance R3, key K1, key K2, key K3, resistance R5, resistance R11, resistance R13, capacitor C8 mono- End connects one end with inductance FB1 and connects with VUSB, and the one end resistance R9 connects one end with diode D4 and connects with VUSB, diode The one end D2 connects one end with control chip and connects with the 2nd foot of U4, and the one end R6 connects one end with control chip and connects with the 3rd foot of U4, The one end capacitor C9 connects one end with the 4th foot of U4 and connects with GND, and 12MHz crystal oscillator one end connects one end and electricity with the 8th foot with U4 the 7th Hold C12 to connect with capacitor C13, the one end resistance R1 connects one end with capacitor C1 and connects with power supply, and the one end resistance R2 and the 3rd foot of U1 connect It connects one end to connect with capacitor C2, the one end resistance R3 connects one end with the 16th foot of U1 and connects with GND.

The Internet of things node device working principle of Multichannel fusion: step 1: by communication chip (include bluetooth, Wifi, zigbee) real time information of various sensors can be acquired.Step 2: passing through the defeated of the available key of communication chip Enter information, for messaging parameter is arranged.Step 3: can show that current communications status can be current by LCD color screen displays The information of sensor.It is connected to the network step 4: being established by communication chip, realizes the interaction with upper layer data.

Although the various embodiments described above are described, once a person skilled in the art knows basic wounds The property made concept, then additional changes and modifications can be made to these embodiments, so the foregoing is merely the realities of the utility model Example is applied, the scope of patent protection of the utility model is not intended to limit, it is all to utilize the utility model specification and accompanying drawing content Made equivalent structure or equivalent flow shift, is applied directly or indirectly in other relevant technical fields, and similarly includes Within the scope of patent protection of the utility model.

Claims (9)

1. the Internet of things node device of multi-pass letter fusion, which is characterized in that include node bottom plate (1), a left side for node bottom plate (1) Side is equipped with ZIGBEE/ bluetooth communication (2), middle part is equipped with STC main control chip (9), right side is equipped with key part (4), LED refers to Show lamp (5) and downloading debugging interface (8)；Power unit (3) is separately connected ZIGBEE/ bluetooth communication (2), STC master control core Piece (9), key part (4), LED light (5) and downloading debugging interface (8)；Node bottom plate (1) also provide two it is expansible Interface is respectively intended to connection LCD display interface (7) and sensor converting interface (6).

2. the Internet of things node device of multi-pass letter fusion according to claim 1, which is characterized in that ZIGBEE/ bluetooth is logical Believe that module (2) include ZIGBEE, bluetooth, 433MHz wireless module and WIFI；Wherein ZIGBEE module is amplified with PA signal Device；ZIGBEE can show network address and MAC Address；Bluetooth and WIFI can show the number of present node and the network name of connection Word, can the collected numerical value of real-time display present node.

3. the Internet of things node device of multi-pass letter fusion according to claim 1, which is characterized in that LCD display interface (7) It is connected to LCD screen, LCD screen is the LCD color screen of 160*128, can show the biography that the connection status of present node, present node are connect Sensor type.

4. the Internet of things node device of multi-pass letter fusion according to claim 1, which is characterized in that sensor converting interface (6) it is connected with common sensor pinboard, sensor pinboard is general on the node of four kinds of communication types.

5. the Internet of things node device of multi-pass letter fusion according to claim 1, which is characterized in that power unit (3) is adopted With two kinds of power supply modes, both available system bottom plate was powered, and the power supply that a 5V can also be used is independently-powered, the list easy to disassemble that gets off Experiment is solely done to use.

6. the Internet of things node device of multi-pass letter fusion according to claim 1, which is characterized in that downloading debugging interface (8) in-circuit emulation and downloading program be can be used to.

7. the Internet of things node device of multi-pass letter fusion according to claim 1, which is characterized in that LED light is base Plinth experiment and all workable LED light of communication experiment.

8. the Internet of things node device of multi-pass letter fusion according to claim 1, which is characterized in that in key part (4) There is the function button of a reset key and two user-programmables.

9. the Internet of things node device of multi-pass according to claim 1 letter fusion, which is characterized in that STC main control chip is The main control chip of STC15 series；The node of WIFI and 433 in ZIGBEE/ bluetooth communication (2) is all connected with the master of STC Chip is controlled, for realizing the acquisition and processing of data.