CN209002234U - A kind of temperature and humidity measurement terminal based on bluetooth MESH - Google Patents

A kind of temperature and humidity measurement terminal based on bluetooth MESH Download PDF

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Publication number
CN209002234U
CN209002234U CN201920715584.9U CN201920715584U CN209002234U CN 209002234 U CN209002234 U CN 209002234U CN 201920715584 U CN201920715584 U CN 201920715584U CN 209002234 U CN209002234 U CN 209002234U
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China
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end
feet
capacitor
connected
chip
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CN201920715584.9U
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Chinese (zh)
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刘树超
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山东智显光电科技有限公司
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Priority to CN201920715584.9U priority Critical patent/CN209002234U/en
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Publication of CN209002234U publication Critical patent/CN209002234U/en

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Abstract

The utility model discloses a kind of temperature and humidity measurement terminal based on bluetooth MESH, including power management module, bluetooth MESH module, MCU module and temperature and humidity acquisition module, MCU module connects bluetooth MESH module and temperature and humidity acquisition module.It has the advantage that and is wirelessly transferred using bluetooth BLE, without wiring, flexible arrangement, the a wide range of multiple spot temperature and humidity measurement in scene can be achieved, and the precision measured after multimetering greatly improves, convenient for extension, it can more easily access peripheral sensor or device to be controlled etc. is needed to be applied to related physical quantity fields of measurement.

Description

A kind of temperature and humidity measurement terminal based on bluetooth MESH

Technical field

The utility model is a kind of temperature and humidity measurement terminal based on bluetooth MESH, belongs to electronic measuring technology field.

Background technique

Currently, needing the temperature and humidity letter to ambient enviroment in each occasion of agricultural, production process and actual life Breath is extracted and is handled, for example during the preservation of grain, needs to feed back the real time humiture information of silo, so as to Administrative staff take appropriate measures, and avoid grain and rot on a large scale.

Now more commonly used acquisition and the method for handling temperature and humidity information are to acquire greenhouse degree by Temperature Humidity Sensor Information transfers data to monitoring center by 485 buses or fieldbus, and a large amount of cable is needed to connect each measurement Node measures, and functions of the equipments are single, and measuring system sets up complexity, and data processing real-time is not high.With short distance The development of wireless communication technique, embedded technology and sensor technology, networking, the intelligence of industry spot measuring system obtain It quickly mentions, this problem solution has new method.

Utility model content

The technical problems to be solved in the utility model is against the above deficiency, to provide a kind of temperature and humidity based on bluetooth MESH Measuring terminals are wirelessly transferred using bluetooth BLE, and without wiring, flexible arrangement is, it can be achieved that a wide range of multiple spot temperature and humidity in scene is surveyed Amount, and the precision measured after multimetering greatly improves, and convenient for extension, can more easily access peripheral sensor or needs Equipment of control etc. is applied to related physical quantity fields of measurement.

In order to solve the above technical problems, the utility model uses following technical scheme:

A kind of temperature and humidity measurement terminal based on bluetooth MESH, including power management module, bluetooth MESH module, MCU mould Block and temperature and humidity acquisition module, MCU module connect bluetooth MESH module and temperature and humidity acquisition module;

The power management module includes chip U1, chip U2 and metal-oxide-semiconductor Q2, the model DW01+G of chip U1, chip The model FS8205 of the model RT9193 of U2, metal-oxide-semiconductor Q2;

The bluetooth MESH module includes chip U3, the model NRF52810 of chip U3;

The MCU module includes chip U4, the model CC2540 of chip U4;

The temperature and humidity acquisition module includes chip U5, the model BME280 of chip U5.

Further, 1 foot of the chip U1 is connected with 4 feet of metal-oxide-semiconductor Q2, and 3 feet of chip U1 are connected with metal-oxide-semiconductor Q2's 5 feet, 1 foot of metal-oxide-semiconductor Q2,6 feet, 7 feet and 8 feet ground connection, 2 feet and 3 feet of metal-oxide-semiconductor Q2 be connected and be connected with 6 feet of chip U1, 2 feet of metal-oxide-semiconductor Q3 and 1 foot of toggle switch K2, the 2 feet ground connection of toggle switch K2,3 feet of metal-oxide-semiconductor Q3 connect battery interface J2's Cathode B- foot, 1 foot of metal-oxide-semiconductor Q3 are connected with the one end resistance R5, the positive B+ foot of another termination battery interface J2 of resistance R5;Chip 2 feet of U1 are connected with the one end resistance R6, resistance R6 other end ground connection, and 5 feet of chip U1 are connected with the one end resistance R4 and capacitor C14 One end, capacitor C14 other end ground connection, the resistance R4 other end are connected with 2 feet of toggle switch K1, the 1 foot connection of toggle switch K1 There is the B+ foot of battery interface J2.

Further, 1 foot of the chip U2 is connected with 2 feet of the one end capacitor C2, the one end capacitor C1 and metal-oxide-semiconductor Q1, electricity Holding the C2 other end and capacitor C1 other end ground connection, 1 foot of metal-oxide-semiconductor Q1 is connected with the one end resistance R1, and the resistance R1 other end is grounded, The positive B+ foot of the 3 feet connection battery interface J2 of metal-oxide-semiconductor Q1, the 2 feet ground connection of chip U2, the 1 of the 3 feet connection chip U2 of chip U2 Foot, 5 feet of chip U2 are connected with the one end capacitor C3 and the one end capacitor C4, and export VCC power supply, the capacitor C3 other end and capacitor C4 Other end ground connection;

The positive B+ foot of the battery interface J2 is connected with the one end resistance R2 and the positive P+ foot of charging interface J1, charging The cathode P- foot ground connection of mouth J1, the resistance R2 other end are connected with the one end resistance R3 and the one end capacitor C7, the resistance R3 other end and electricity Hold C7 other end ground connection.

Further, 1 foot of the chip U3 is connected with the one end capacitor C10, and the capacitor C10 other end is grounded, and the 2 of chip U3 Foot is connected with the one end capacitor C11 and the one end crystal oscillator Y2, and 3 feet of chip U3 are connected with the one end capacitor C16 and the crystal oscillator Y2 other end, electricity Holding the C11 other end and capacitor C16 other end ground connection, 13 feet of chip U3 are connected with the one end capacitor C17, and access VCC1 power supply, Capacitor C17 other end ground connection, 32 feet of chip U3 are connected with the one end capacitor C15, and the capacitor C15 other end is grounded, and the 33 of chip U3 Foot is connected with the one end capacitor C12, capacitor C12 other end ground connection, and 34 feet of chip U3 are connected with the one end capacitor C13 and crystal oscillator Y1 mono- End, capacitor C13 other end ground connection, 35 feet of chip U3 are connected with the one end capacitor C9 and the crystal oscillator Y1 other end, the capacitor C9 other end Ground connection, 36 feet of chip U3 are connected with the one end capacitor C8, and access VCC1 power supply, capacitor C8 other end ground connection, and the 47 of chip U3 Foot is connected with the one end capacitor C5, capacitor C5 other end ground connection, and 48 feet of chip U3 are connected with the one end capacitor C6, and access VCC1 electricity Source, capacitor C6 other end ground connection, 30 feet of chip U3 are connected with the one end inductance L1, and the inductance L1 other end is connected with antennal interface 1 foot of TX1,46 feet of chip U3 and 31 feet ground connection, the model ANT_SMB of antennal interface TX1.

Further, 36 feet of the chip U4 are connected with the one end key K1, and the key K1 other end is grounded, and the 34 of chip U4 Foot is connected with the one end key K2, key K2 other end ground connection, and 11 feet of chip U4 are connected with the one end resistance R8, the resistance R8 other end It is connected with the one end light emitting diode D1, light emitting diode D1 other end ground connection, 9 feet of chip U4 are connected with the one end resistance R9, electricity The resistance R9 other end is connected with the one end light emitting diode D2, light emitting diode D2 other end ground connection, and 8 feet of chip U4 are connected with resistance The one end R10, the resistance R10 other end are connected with the one end light emitting diode D3, light emitting diode D3 other end ground connection;The 20 of chip U4 Foot is connected with the one end resistance R11, the one end capacitor C29 and reset key RESET, and the capacitor C29 other end is grounded, and resistance R11 is another Terminate VCC power supply.

Further, 30 feet of the chip U4 are connected with the one end resistance R12, and the resistance R12 other end is grounded, chip U4's 40 feet are connected with the one end capacitor C28, and capacitor C28 other end ground connection, 23 feet of chip U4 are connected with the one end capacitor C30 and patch is brilliant 1 foot of vibration Y4, capacitor C30 other end ground connection, 22 feet of chip U4 are connected with 3 feet of the one end capacitor C31 and patch crystal oscillator Y4, electricity Hold C31 other end ground connection, 2 feet of patch crystal oscillator Y4 and 4 feet ground connection, 32 feet of chip U4 are connected with the one end capacitor C27 and crystal oscillator The one end Y3,33 feet of chip U4 are connected with the one end capacitor C26 and the crystal oscillator Y3 other end, and the capacitor C26 other end and capacitor C27 are another End ground connection.

Further, 4 feet of the chip U4 and 39 feet are respectively connected with the one end capacitor C19, and access VCC1 power supply, capacitor C19 other end ground connection, 10 feet of chip U4 are connected with the one end capacitor C18, and access VCC1 power supply, capacitor C18 other end ground connection, 21 feet of chip U4 are connected with the one end capacitor C21, and access VCC1 power supply, and 24 feet of capacitor C21 other end ground connection, chip U4 connect It is connected to the one end capacitor C22, and accesses VCC1 power supply, capacitor C22 other end ground connection, 27 feet, 28 feet and 29 feet of chip U4 connect It is connected to the one end capacitor C24 and the one end capacitor C25, and accesses VCC1 power supply, the capacitor C24 other end and capacitor C25 other end ground connection, 31 feet of chip U4 are connected with the one end capacitor C23, and access VCC1 power supply, capacitor C23 other end ground connection.

Further, 14 feet of the chip U4 are connected with 12 feet of chip U3, and 15 feet of chip U4 are connected with chip U3 11 feet, 1 foot of chip U4 and 41 feet ground connection.

Further, 5 feet of the chip U5 are connected with 16 feet of chip U4, and 4 feet of chip U5 are connected with chip U4's 17 feet, 3 feet of chip U5 are connected with 18 feet of chip U4, and 2 feet of chip U5 are connected with 19 feet of chip U4.

Further, 1 foot of the chip U5 and 7 feet ground connection, 6 feet of chip U5 are connected with the one end resistance R7, resistance R7 Another termination VCC1 power supply, 8 feet of chip U5 are connected with the one end capacitor C20 and the one end inductance L2, and access VCC1 power supply, capacitor C20 other end ground connection, another termination VCC power supply of inductance L2.

The utility model is had the following technical effect that compared with prior art using above technical scheme

Measuring terminals described in the utility model can be widely used for greenhouse, cultivation greenhouse, life medium temperature humidity information Measurement, be wirelessly transferred using bluetooth BLE, without wiring, flexible arrangement, it can be achieved that a wide range of multiple spot temperature and humidity measurement in scene, And the precision measured after multimetering greatly improves;Convenient for extension, it can more easily access peripheral sensor or need to control Equipment of system etc. is applied to related physical quantity fields of measurement;Small in size, lesser volume can make node easy to carry and dispose.

The utility model is described in detail with reference to the accompanying drawings and examples.

Detailed description of the invention

Fig. 1 is the schematic diagram of power management module in the utility model embodiment;

Fig. 2 is the schematic diagram of bluetooth MESH module in the utility model embodiment;

Fig. 3 is the schematic diagram of MCU module and temperature and humidity acquisition module in the utility model embodiment.

Specific embodiment

Embodiment 1, as shown in Figure 1 to Figure 3, a kind of temperature and humidity measurement terminal based on bluetooth MESH, including power management Module, bluetooth MESH module, MCU module and temperature and humidity acquisition module, MCU module connect bluetooth MESH module and humiture collection Module, power management module include chip U1, the model DW01+G of chip U1, and 1 foot of chip U1 is connected with the 4 of metal-oxide-semiconductor Q2 Foot, 3 feet of the model FS8205 of metal-oxide-semiconductor Q2, chip U1 are connected with 5 feet of metal-oxide-semiconductor Q2,1 foot of metal-oxide-semiconductor Q2,6 feet, 7 feet and 8 feet ground connection, 2 feet and 3 feet of metal-oxide-semiconductor Q2 are connected and are connected with the 1 of 6 feet of chip U1,2 feet of metal-oxide-semiconductor Q3 and toggle switch K2 Foot, the 2 feet ground connection of toggle switch K2,3 feet of metal-oxide-semiconductor Q3 connect the cathode B- foot of battery interface J2, and 1 foot of metal-oxide-semiconductor Q3 is connected with The one end resistance R5, the positive B+ foot of another termination battery interface J2 of resistance R5;2 feet of chip U1 are connected with the one end resistance R6, electricity R6 other end ground connection is hindered, 5 feet of chip U1 are connected with the one end resistance R4 and the one end capacitor C14, capacitor C14 other end ground connection, electricity The resistance R4 other end is connected with 2 feet of toggle switch K1, and 1 foot of toggle switch K1 is connected with the B+ foot of battery interface J2.

The power management module further includes chip U2, and 1 foot of the model RT9193 of chip U2, chip U2 are connected with electricity Hold 2 feet of the one end C2, the one end capacitor C1 and metal-oxide-semiconductor Q1, the capacitor C2 other end and capacitor C1 other end ground connection, 1 foot of metal-oxide-semiconductor Q1 It is connected with the one end resistance R1, resistance R1 other end ground connection, the positive B+ foot of the 3 feet connection battery interface J2 of metal-oxide-semiconductor Q1, chip U2 2 feet ground connection, 1 foot of the 3 feet connection chip U2 of chip U2,5 feet of chip U2 are connected with the one end capacitor C3 and the one end capacitor C4, And VCC power supply is exported, the capacitor C3 other end and capacitor C4 other end ground connection.

The positive B+ foot of the battery interface J2 is connected with the one end resistance R2 and the positive P+ foot of charging interface J1, charging The cathode P- foot ground connection of mouth J1, the resistance R2 other end are connected with the one end resistance R3 and the one end capacitor C7, the resistance R3 other end and electricity Hold C7 other end ground connection.

The bluetooth MESH module includes chip U3, and 1 foot of the model NRF52810 of chip U3, chip U3 are connected with electricity Hold the one end C10, capacitor C10 other end ground connection, 2 feet of chip U3 are connected with the one end capacitor C11 and the one end crystal oscillator Y2, chip U3's 3 feet are connected with the one end capacitor C16 and the crystal oscillator Y2 other end, the capacitor C11 other end and capacitor C16 other end ground connection, chip U3's 13 feet are connected with the one end capacitor C17, and access VCC1 power supply, and capacitor C17 other end ground connection, 32 feet of chip U3 are connected with capacitor The one end C15, capacitor C15 other end ground connection, 33 feet of chip U3 are connected with the one end capacitor C12, capacitor C12 other end ground connection, core 34 feet of piece U3 are connected with the one end capacitor C13 and the one end crystal oscillator Y1, capacitor C13 other end ground connection, and 35 feet of chip U3 are connected with The one end capacitor C9 and the crystal oscillator Y1 other end, capacitor C9 other end ground connection, 36 feet of chip U3 are connected with the one end capacitor C8, and access VCC1 power supply, capacitor C8 other end ground connection, 47 feet of chip U3 are connected with the one end capacitor C5, capacitor C5 other end ground connection, chip 48 feet of U3 are connected with the one end capacitor C6, and access VCC1 power supply, and capacitor C6 other end ground connection, 30 feet of chip U3 are connected with electricity Feel the one end L1, the inductance L1 other end is connected with 1 foot of antennal interface TX1,46 feet of chip U3 and 31 feet ground connection, antennal interface The model ANT_SMB of TX1.

The MCU module includes chip U4, and 36 feet of the model CC2540 of chip U4, chip U4 are connected with key K1 mono- End, key K1 other end ground connection, 34 feet of chip U4 are connected with the one end key K2, and the key K2 other end is grounded, and the 11 of chip U4 Foot is connected with the one end resistance R8, and the resistance R8 other end is connected with the one end light emitting diode D1, and the light emitting diode D1 other end is grounded, 9 feet of chip U4 are connected with the one end resistance R9, and the resistance R9 other end is connected with the one end light emitting diode D2, and light emitting diode D2 is another One end ground connection, 8 feet of chip U4 are connected with the one end resistance R10, and the resistance R10 other end is connected with the one end light emitting diode D3, hair Optical diode D3 other end ground connection;20 feet of chip U4 are connected with the one end resistance R11, the one end capacitor C29 and reset key RESET, capacitor C29 other end ground connection, another termination VCC power supply of resistance R11.

30 feet of the chip U4 are connected with the one end resistance R12, resistance R12 other end ground connection, the 40 feet connection of chip U4 There are the one end capacitor C28, capacitor C28 other end ground connection, 23 feet of chip U4 are connected with the 1 of the one end capacitor C30 and patch crystal oscillator Y4 Foot, capacitor C30 other end ground connection, 22 feet of chip U4 are connected with 3 feet of the one end capacitor C31 and patch crystal oscillator Y4, and capacitor C31 is another One end ground connection, 2 feet of patch crystal oscillator Y4 and 4 feet ground connection, 32 feet of chip U4 are connected with the one end capacitor C27 and the one end crystal oscillator Y3, 33 feet of chip U4 are connected with the one end capacitor C26 and the crystal oscillator Y3 other end, the capacitor C26 other end and capacitor C27 other end ground connection.

4 feet and 39 feet of the chip U4 are respectively connected with the one end capacitor C19, and access VCC1 power supply, the capacitor C19 other end Ground connection, 10 feet of chip U4 are connected with the one end capacitor C18, and access VCC1 power supply, capacitor C18 other end ground connection, chip U4's 21 feet are connected with the one end capacitor C21, and access VCC1 power supply, and capacitor C21 other end ground connection, 24 feet of chip U4 are connected with capacitor The one end C22, and VCC1 power supply is accessed, capacitor C22 other end ground connection, 27 feet, 28 feet and 29 feet of chip U4 are respectively connected with capacitor The one end C24 and the one end capacitor C25, and VCC1 power supply is accessed, the capacitor C24 other end and capacitor C25 other end ground connection, chip U4's 31 feet are connected with the one end capacitor C23, and access VCC1 power supply, capacitor C23 other end ground connection.

14 feet of the chip U4 are connected with 12 feet of chip U3, and 15 feet of chip U4 are connected with 11 feet of chip U3, core 1 foot of piece U4 and 41 feet ground connection.

The temperature and humidity acquisition module includes chip U5, and 5 feet of the model BME280 of chip U5, chip U5 are connected with core 16 feet of piece U4,4 feet of chip U5 are connected with 17 feet of chip U4, and 3 feet of chip U5 are connected with 18 feet of chip U4, chip U5 2 feet be connected with 19 feet of chip U4.

1 foot of the chip U5 and 7 feet ground connection, 6 feet of chip U5 are connected with the one end resistance R7, another termination of resistance R7 VCC1 power supply, 8 feet of chip U5 are connected with the one end capacitor C20 and the one end inductance L2, and access VCC1 power supply, and capacitor C20 is another End ground connection, another termination VCC power supply of inductance L2.

Power management module is made of DW01+G and FS8205A, and metal-oxide-semiconductor Q1 and Q3, which are each served as, prevents battery to be reversely connected and fill Electric appliance is reversely connected function;RT9193 and capacitor C1, C2, C3, C4 play the role of pressure stabilizing, and capacitor C1, C2 realize pre-filtering, capacitor C3, C4 realize post-filtering;Bluetooth MESH module is made of NRF52810 chip and several capacitor and inductors, and Y1, Y2 are respectively 32.768HZ and 32MHZ without source crystal oscillator, 30 feet pass through inductance L1 connection onboard antenna;MCU module by CC2540 minimum be System composition, Y3, Y4 are respectively 32.768HZ and 32MHZ without source crystal oscillator, and C26, C27, C30, C30 are the corresponding filters of two crystal oscillators Wave capacitor, R11, C29 and REST key form reset circuit, and three LED light D1, D2 and D3 realize working condition, low electricity respectively Pressure alarm and test instruction, Temperature Humidity Sensor are connected CC250 with SDO by CSB, SDI, SCK of BME280 and realize temperature and humidity The transmission of information and command word.

Temperature and humidity measurement terminal described in the utility model realizes following functions:

1, the temperature and humidity that can measure environment is sent to host computer after being filtered to temperature and humidity;

2, temperature and humidity is transmitted according to 16 system format composition data frames;

3, data are transmitted by NRF52810 Bluetooth chip;

4, terminal has MESH networking function, and the acquisition of 255 node temperature and humidity may be implemented;

5, the acquisition interval of data can be arranged in real time by host computer;

6, terminal uses lithium battery power supply, and under conditions of acquisition per second 1 time, battery capacity 1000MA, stand-by time reaches By 1 year or more;

7, without wiring, acquisition position facilitates layout;

8, product carries out waterproof, moistureproof design, can work under the environment such as greenhouse, farm;

9, have beacon function, 3 meters of positioning accuracy;

10, have the function of the above digital output modul in 8 tunnels, can control the light on and off of LED light, the actuation of relay and disconnection Deng;

11,485 interfaces are reserved, there can be the sensor of 485 interfaces with carry;

12, there is battery voltage detection and low-voltage warning function;

13, lithium battery charge and discharge protective circuit and reverse-connection preventing circuit are had.

Description of the utility model is given for the purpose of illustration and description, and is not that exhaustively or incite somebody to action this Utility model is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art. Selection and description embodiment are and to make the common of this field to better illustrate the principles of the present invention and practical application Technical staff it will be appreciated that the utility model to designing various embodiments suitable for specific applications with various modifications.

Claims (10)

1. a kind of temperature and humidity measurement terminal based on bluetooth MESH, it is characterised in that: including power management module, bluetooth MESH mould Block, MCU module and temperature and humidity acquisition module, MCU module connect bluetooth MESH module and temperature and humidity acquisition module;
The power management module includes chip U1, chip U2 and metal-oxide-semiconductor Q2, the model DW01+G of chip U1, chip U2's The model FS8205 of model RT9193, metal-oxide-semiconductor Q2;
The bluetooth MESH module includes chip U3, the model NRF52810 of chip U3;
The MCU module includes chip U4, the model CC2540 of chip U4;
The temperature and humidity acquisition module includes chip U5, the model BME280 of chip U5.
2. a kind of temperature and humidity measurement terminal based on bluetooth MESH as described in claim 1, it is characterised in that: the chip U1 1 foot be connected with 4 feet of metal-oxide-semiconductor Q2,3 feet of chip U1 are connected with 5 feet of metal-oxide-semiconductor Q2,1 foot, 6 feet, 7 feet and 8 of metal-oxide-semiconductor Q2 Foot ground connection, 2 feet and 3 feet of metal-oxide-semiconductor Q2 are connected and are connected with the 1 of 6 feet of chip U1,2 feet of metal-oxide-semiconductor Q3 and toggle switch K2 Foot, the 2 feet ground connection of toggle switch K2,3 feet of metal-oxide-semiconductor Q3 connect the cathode B- foot of battery interface J2, and 1 foot of metal-oxide-semiconductor Q3 is connected with The one end resistance R5, the positive B+ foot of another termination battery interface J2 of resistance R5;2 feet of chip U1 are connected with the one end resistance R6, electricity R6 other end ground connection is hindered, 5 feet of chip U1 are connected with the one end resistance R4 and the one end capacitor C14, capacitor C14 other end ground connection, electricity The resistance R4 other end is connected with 2 feet of toggle switch K1, and 1 foot of toggle switch K1 is connected with the B+ foot of battery interface J2.
3. a kind of temperature and humidity measurement terminal based on bluetooth MESH as described in claim 1, it is characterised in that: the chip U2 1 foot be connected with 2 feet of the one end capacitor C2, the one end capacitor C1 and metal-oxide-semiconductor Q1, the capacitor C2 other end and another termination of capacitor C1 Ground, 1 foot of metal-oxide-semiconductor Q1 are connected with the one end resistance R1, and 3 feet of resistance R1 other end ground connection, metal-oxide-semiconductor Q1 connect battery interface J2's Positive B+ foot, the 2 feet ground connection of chip U2,1 foot of the 3 feet connection chip U2 of chip U2,5 feet of chip U2 are connected with capacitor C3 mono- End and the one end capacitor C4, and VCC power supply is exported, the capacitor C3 other end and capacitor C4 other end ground connection;
The positive B+ foot of the battery interface J2 is connected with the one end resistance R2 and the positive P+ foot of charging interface J1, charging interface J1 Cathode P- foot ground connection, the resistance R2 other end is connected with the one end resistance R3 and the one end capacitor C7, the resistance R3 other end and capacitor C7 Other end ground connection.
4. a kind of temperature and humidity measurement terminal based on bluetooth MESH as described in claim 1, it is characterised in that: the chip U3 1 foot be connected with the one end capacitor C10, capacitor C10 other end ground connection, 2 feet of chip U3 are connected with the one end capacitor C11 and crystal oscillator Y2 One end, 3 feet of chip U3 are connected with the one end capacitor C16 and the crystal oscillator Y2 other end, the capacitor C11 other end and the capacitor C16 other end Ground connection, 13 feet of chip U3 are connected with the one end capacitor C17, and access VCC1 power supply, capacitor C17 other end ground connection, chip U3's 32 feet are connected with the one end capacitor C15, capacitor C15 other end ground connection, and 33 feet of chip U3 are connected with the one end capacitor C12, capacitor C12 Other end ground connection, 34 feet of chip U3 are connected with the one end capacitor C13 and the one end crystal oscillator Y1, capacitor C13 other end ground connection, chip U3 35 feet be connected with the one end capacitor C9 and the crystal oscillator Y1 other end, capacitor C9 other end ground connection, 36 feet of chip U3 are connected with capacitor The one end C8, and VCC1 power supply is accessed, capacitor C8 other end ground connection, 47 feet of chip U3 are connected with the one end capacitor C5, and capacitor C5 is another One end ground connection, 48 feet of chip U3 are connected with the one end capacitor C6, and access VCC1 power supply, capacitor C6 other end ground connection, chip U3 30 feet be connected with the one end inductance L1, the inductance L1 other end is connected with 1 foot of antennal interface TX1,46 feet and 31 feet of chip U3 Ground connection, the model ANT_SMB of antennal interface TX1.
5. a kind of temperature and humidity measurement terminal based on bluetooth MESH as described in claim 1, it is characterised in that: the chip U4 36 feet be connected with the one end key K1, key K1 other end ground connection, 34 feet of chip U4 are connected with the one end key K2, and key K2 is another One end ground connection, 11 feet of chip U4 are connected with the one end resistance R8, and the resistance R8 other end is connected with the one end light emitting diode D1, shine Diode D1 other end ground connection, 9 feet of chip U4 are connected with the one end resistance R9, and the resistance R9 other end is connected with light emitting diode D2 One end, light emitting diode D2 other end ground connection, 8 feet of chip U4 are connected with the one end resistance R10, and the resistance R10 other end is connected with The one end light emitting diode D3, light emitting diode D3 other end ground connection;20 feet of chip U4 are connected with the one end resistance R11, capacitor C29 One end and reset key RESET, capacitor C29 other end ground connection, another termination VCC power supply of resistance R11.
6. a kind of temperature and humidity measurement terminal based on bluetooth MESH as described in claim 1, it is characterised in that: the chip U4 30 feet be connected with the one end resistance R12, resistance R12 other end ground connection, 40 feet of chip U4 are connected with the one end capacitor C28, capacitor C28 other end ground connection, 23 feet of chip U4 are connected with 1 foot of the one end capacitor C30 and patch crystal oscillator Y4, another termination of capacitor C30 Ground, 22 feet of chip U4 are connected with 3 feet of the one end capacitor C31 and patch crystal oscillator Y4, capacitor C31 other end ground connection, patch crystal oscillator 2 feet of Y4 and 4 feet ground connection, 32 feet of chip U4 are connected with the one end capacitor C27 and the one end crystal oscillator Y3, and 33 feet of chip U4 are connected with The one end capacitor C26 and the crystal oscillator Y3 other end, the capacitor C26 other end and capacitor C27 other end ground connection.
7. a kind of temperature and humidity measurement terminal based on bluetooth MESH as described in claim 1, it is characterised in that: the chip U4 4 feet and 39 feet be respectively connected with the one end capacitor C19, and access VCC1 power supply, capacitor C19 other end ground connection, 10 feet of chip U4 It is connected with the one end capacitor C18, and accesses VCC1 power supply, capacitor C18 other end ground connection, 21 feet of chip U4 are connected with capacitor C21 One end, and VCC1 power supply is accessed, capacitor C21 other end ground connection, 24 feet of chip U4 are connected with the one end capacitor C22, and access VCC1 power supply, capacitor C22 other end ground connection, 27 feet, 28 feet and 29 feet of chip U4 are respectively connected with the one end capacitor C24 and capacitor The one end C25, and VCC1 power supply is accessed, the capacitor C24 other end and capacitor C25 other end ground connection, 31 feet of chip U4 are connected with electricity Hold the one end C23, and accesses VCC1 power supply, capacitor C23 other end ground connection.
8. a kind of temperature and humidity measurement terminal based on bluetooth MESH as described in claim 1, it is characterised in that: the chip U4 14 feet be connected with 12 feet of chip U3,15 feet of chip U4 are connected with 11 feet of chip U3, and 1 foot and 41 feet of chip U4 connects Ground.
9. a kind of temperature and humidity measurement terminal based on bluetooth MESH as described in claim 1, it is characterised in that: the chip U5 5 feet be connected with 16 feet of chip U4,4 feet of chip U5 are connected with 17 feet of chip U4, and 3 feet of chip U5 are connected with chip U4 18 feet, 2 feet of chip U5 are connected with 19 feet of chip U4.
10. a kind of temperature and humidity measurement terminal based on bluetooth MESH as described in claim 1, it is characterised in that: the chip 1 foot of U5 and 7 feet ground connection, 6 feet of chip U5 are connected with the one end resistance R7, another termination VCC1 power supply of resistance R7, and the 8 of chip U5 Foot is connected with the one end capacitor C20 and the one end inductance L2, and accesses VCC1 power supply, capacitor C20 other end ground connection, the inductance L2 other end Connect VCC power supply.
CN201920715584.9U 2019-05-20 2019-05-20 A kind of temperature and humidity measurement terminal based on bluetooth MESH CN209002234U (en)

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