CN107037180A - A kind of energy saving and environment friendly Intelligent indoor environment monitoring device - Google Patents
A kind of energy saving and environment friendly Intelligent indoor environment monitoring device Download PDFInfo
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- CN107037180A CN107037180A CN201710172830.6A CN201710172830A CN107037180A CN 107037180 A CN107037180 A CN 107037180A CN 201710172830 A CN201710172830 A CN 201710172830A CN 107037180 A CN107037180 A CN 107037180A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/0047—Specially adapted to detect a particular component for organic compounds
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/80—Arrangements in the sub-station, i.e. sensing device
- H04Q2209/82—Arrangements in the sub-station, i.e. sensing device where the sensing device takes the initiative of sending data
- H04Q2209/823—Arrangements in the sub-station, i.e. sensing device where the sensing device takes the initiative of sending data where the data is sent when the measured values exceed a threshold, e.g. sending an alarm
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/80—Arrangements in the sub-station, i.e. sensing device
- H04Q2209/88—Providing power supply at the sub-station
- H04Q2209/886—Providing power supply at the sub-station using energy harvesting, e.g. solar, wind or mechanical
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
A kind of energy saving and environment friendly Intelligent indoor environment monitoring device of the present invention, belong to communication technical field, its structure has main control module (1), formaldehyde gas monitoring modular (2), temperature-humidity monitoring module (3), communication module (4), display module (5) and wireless energy to collect power module (6).The present invention can effectively measure current indoor environment and be reminded in time when environmental quality is not up to standard.Present invention facilitates the progress of Indoor Environment Detection technology, so as to directly energetically influence the development of environment measuring industry, the development of the electronic market of the sector is promoted.
Description
Technical field
The invention belongs to communication technical field, and in particular to a kind of energy saving and environment friendly Intelligent indoor environmental monitoring dress
Put.
Background technology
With the continuous evolution continued to develop with modernization construction of city industrialization, domestic and international large- and-medium size cities all occur
The situation of air pollution.Since especially 2012 winter, North China most area is occurred in that using PM2.5 to be main dirty
Contaminate the haze weather of thing.More different than larger particulate matter with air, particle diameter is smaller, some is there are on the surface poisonous
Harmful organic matter and inorganic matter, can prolonged stay in atmosphere, it is also possible to as wind is dispelled to place farther out, so
Life to people is produced a very large impact, and also entail dangers to is to the healthy of people.With becoming better and better for Chinese Economy Development,
People's living standard quality is also quickly improved.So as to which people are to the environment oneself lived and the consciousness lived for own health
Also rising year by year.Therefore the demand to indoor air quality monitoring also becomes very big, wherein, most exist in national people's life
Pollution problem it is main in the following areas.Brought due to house decoration, mould, smoking, pesticide spray and PM2.5 etc.
Pernicious gas, such as formaldehyde, benzene, volatile organic matter carcinogen, can cause dizzy asthma, headache, face discomfort, some kinds
The disease of the obvious a variety of symptoms such as reduction of child's depauperation, child's intelligence in the anemia of class, leukemia, abdomen.Be particularly into
Enter summer, at 32 DEG C or higher, the pernicious gas that some things of decorations materials, family expenses etc. are discharged becomes increasingly
Many, the pollution of family becomes increasing, therefore and the cerebral anoxia disease that causes increase, shaken above and below most common body,
Mouthful eye is abnormal, it is absent minded be it is many, it is special to influence the normal life and work of people.
In order to ensure the health of people, in order to understand the air quality in indoor environment in real time, household resident is improved
Environment is, it is necessary to carry out effective monitoring to the pernicious gas in room air, to take effective prevention and Improving Measurements.Mesh
The product price of preceding in the market room air monitoring is expensive, and minute is long, and function imperfection, specificity is weak, and wants special messenger to enter
Row control, it is difficult to be carried out continuously work, is accomplished by being reset at regular intervals.With the hair of modern science and technology
Exhibition, the fast development of particularly electronic communication causes the degree more and more higher of measuring instrument.So that indoor measuring instrument instrument
Table is developed rapidly towards intelligentized direction.
The content of the invention
The technical problem to be solved in the present invention is, using network technology, wireless communication principles and information acquiring technology and
Display Technique, wireless energy collection technique, a kind of energy saving and environment friendly Intelligent indoor environment monitoring device of offer, for prison in real time
Situation in family is surveyed, and is in time sent to indoor corresponding environmental information by communication network when family's indoor environment is abnormal
On the mobile phone of user.
Above-mentioned technical problem is realized by following technical scheme：
A kind of energy saving and environment friendly Intelligent indoor environment monitoring device, its structure has main control module 1, display module 5, environment
Detection means and electric supply installation, it is characterised in that structure also has communication module 4, and described environmental detection set is by formaldehyde gas
Monitoring modular 2 and temperature-humidity monitoring module 3 are constituted, and described electric supply installation is that wireless energy collects power module 6；Wherein formaldehyde
Gas-monitoring module 2, temperature-humidity monitoring module 3, communication module 4, display module 5 are connected with main control module 1, and wireless energy is received
Collection power module 6 provides power supply for each module；
The structure of described main control module 1 is：ARM chips STM32F103ZET6 8 pin and the indirect frequency of 9 pin are
32.768KHz crystal oscillator Y1, while 8 pin and 9 pin are also grounded by electric capacity C1 and electric capacity C2 respectively, 24 pin rate of connections are 8MHz
Crystal oscillator Y2 one end, the two ends of crystal oscillator Y2 two ends respectively with resistance R1 are connected, are also grounded respectively by electric capacity C3 and C4,
STM32F103ZET6 30 pin ground connection, 33 pin meet power vd D by resistance R2, while 33 pin also pass through two electric capacity in parallel
C5 and C6 ground connection, 16 pin, 38 pin, 51 pin, 61 pin, 71 pin, 83 pin, 94 pin, 107 pin, 120 pin, 130 pin and 143 pin ground connection, 17
Pin, 39 pin, 52 pin, 62 pin, 72 pin, 84 pin, 95 pin, 108 pin, 121 pin, 131 pin and 144 pin are all connected with power vd D；
The structure of described formaldehyde gas monitoring modular 2 is：1 pin of MQ-138 sensors meets power vd D, 4 pin ground connection, 2
Pin, 3 pin connect amplifier U1A in-phase input end and inverting input respectively, and amplifier U1A 4 pin are while connecting resistance R3 one end, electricity
Hold another 1 pin for terminating to amplifier U1A of C7 one end and FET J1 drain electrode, resistance R3 and electric capacity C7, amplifier U1A's
2 pin ground connection, 5 pin meet power vd D, and 3 pin connect FET J1 source electrode and ground connection, the one of FET J1 grid connecting resistance R4
End, resistance R4 another termination power vd D, amplifier U1A 1 pin and 69 of the ARM chips STM32103ZET6 in main control module 1
Pin is connected；
The structure of described temperature-humidity monitoring module 3 is：Sensor chip SHT11 GND ends ground connection, vdd terminal connects power supply
ARM chips STM32F103ZET6 34 pin in VDD, DATA termination main control module 1, DATA ends also connect power supply by resistance R5
137 pin of ARM chips STM32F103ZET6 in VDD, SCK termination main control module 1.
The structure of described communication module 4 is that chip ENC28J60 pin 2,11,22,25,26 is grounded, and 1 pin passes through electricity
Hold C8 ground connection, 14 pin are grounded by resistance R6, and 19,23,24,29,32 pin meet power vd D, and 3 pin connect the ARM cores in main control module 1
Piece STM32F103ZET6 45 pin, 4 pin connect 96 pin of the ARM chips STM32F103ZET6 in main control module 1,6,7,8 difference
Connect 111,112,113 pin of the ARM chips STM32F103ZET6 in main control module 1,27,28 pin and the crystal oscillator that frequency is 25MHz
Y3 two ends are connected, and are grounded respectively by electric capacity C9, electric capacity C10, and 30 pin meet LED A, and 31 pin meet LED B；
In order to reach the purpose of energy-conserving and environment-protective, electric supply installation of the invention is collected power module 6 using wireless energy and constituted,
The energy that can be collected when home circuit can not be powered using the device is powered, and increasing the device can also
Ensure that environment monitoring device is more effectively monitored to indoor environment, improve stability, also reached the mesh of environmental protection and energy saving
's.Described wireless energy collects power module 6 by reception antenna 61, RF-DC rectifier boosts module 62, energy storage module
63rd, power management module 64 and rechargeable battery 65 are constituted；
The structure of described reception antenna 61 is planar log periodic antenna, and antenna is overall to be made up of 6 section oscillators, and top surface shakes
Son and bottom surface oscillator cross arrangement, oscillator and right side oscillator are centrosymmetric structure on the left of distributing point, and middle dielectric layer is FR-4
Sheet material, the front of dielectric layer is copper sheet front oscillator, and reverse side is copper sheet reverse side oscillator；
The structure of described RF-DC rectifier boosts module 62 is：Electric capacity C11 one end is used as RF-DC rectifier boost modules
Input, be designated as M1_IN, and be connected with the output end of reception antenna 61, the electric capacity C11 other end and inductance L1 one end with
And electric capacity C12~electric capacity C17 one end is connected, inductance L1 other end ground connection, electric capacity C11 and inductance L1 collectively constitute the module
Matching network, the electric capacity C12~electric capacity C17 other end connects diode D1, diode D3, diode D5, two poles respectively successively
Pipe D7, diode D9, diode D11 negative electrode, diode D1 plus earth, negative electrode connect diode D2 anode, diode
D2 negative electrode connects diode D3 anode, and diode D3 negative electrode connects diode D4 anode, and diode D4 negative electrode connects two poles
Pipe D5 anode, diode D5 negative electrode connects diode D6 anode, and diode D6 negative electrode connects diode D7 anode, two poles
Pipe D7 negative electrode connects diode D8 anode, and diode D8 negative electrode connects diode D9 anode, and diode D9 negative electrode connects two
Pole pipe D10 anode, diode D10 negative electrode connects diode D11 anode, and diode D11 negative electrode connects diode D12 sun
Pole, diode D12 negative electrode is designated as M1_OUT as the output end of RF-DC rectifier boost modules, diode D3, diode D5,
Diode D7, diode D9, diode D11 anode are grounded by electric capacity C18~electric capacity C22 respectively successively；
Described energy storage module 63 is made up of a super capacitor C, and super capacitor C positive pole is used as energy simultaneously
The input and output end of memory module 63, negative pole ground connection；
The structure of described power management module 64 is：Electric capacity C23 chip termination LM317L pin 2, and conduct
The input of power management module, is designated as M4_IN, and is connected with the output end of energy storage module 63, the electric capacity C23 other end
Ground connection, resistance R8 chip termination LM317L pin 3, and as the output end of power management module 64, M2_OUT is designated as,
The input of rechargeable battery 65 is connect, rechargeable battery is powered for whole system, resistance R8 another chip termination LM317L 1 pin
And be grounded by variable resistor R9, electric capacity C24 one end ground connection, another termination port M2_OUT；
The preferred parameter of circuit is, each resistance parameter is respectively, R1：1M Ω, R2：10 Ω, R3：2M Ω, R4:1M Ω, R5：
4.7K,R6：2.3k Ω, the parameter of each electric capacity is respectively, C1：10uF, C2：10uF, C3：22uF, C4：22uF, C5：10uF, C6：
0.1uF, C7:1uf, C8：10uF, C9, C10：22pF, C11：2.39pF, C12：0.1uF, C13：0.1uF, C14：0.1uF,
C15：0.1uF, C16：0.1uF, C17：0.1uF, C18：0.1uF, C19：0.1uF, C20：0.1uF, C21：0.1uF, C22：
0.1uF, C23：0.1uF, C24：0.1uF；The preferred model SU2400P-0027V-1RA of described super capacitor C, inductance parameters
L1：9.22nH；Diode D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, are the pole of Schottky microwave detection two
Pipe, model HSMS-2862；Amplifier U1A model：OPA333, FET J1 model J175, triode Q1, three
Pole pipe Q2 model is 2N3904；Power vd D voltage is+5V.
The preferred parameter of described reception antenna 61 is：Oscillator first order oscillator be length 125mm, width 2mm copper sheet,
Second level oscillator is length 110mm, and width 2mm copper sheet, third level oscillator is length 100, width 2mm copper sheet, the fourth stage
Oscillator is length 92.5mm, and width 2mm copper sheet, level V oscillator is length 87.5, width 2mm copper sheet, the 6th grade of oscillator
For length 84mm, width 2mm copper sheet, element spacing is respectively 61.5mm, 59.5mm, 54.5mm, 51.5mm, 54mm, medium
Layer is a length of 255mm, a width of 285mm RF-4 sheet materials.
Described display module 5 can use following structure：LCDs LCD12864 vdd terminal mouthful and BLA termination
Power vd D, VSS port and BLK ends ground connection, VL ports connect slide rheostat R7 one end, the slide rheostat R7 other end and
End of slide wire is grounded, LCDs LCD12864 data terminal D0~D7 totally 8 pins successively with ARM chips in main control module 1
Totally 8 pins are connected STM32F103ZET6 2~5 pin, 58~60 pin and 63 pin, and slide rheostat R7 preferred resistance is 10k
Ω。
Technical scheme has following beneficial effect：
1st, it is of the invention by formaldehyde sensor and Temperature Humidity Sensor automatic data collection indoor environment information, and current indoor
Environmental data is shown on LCDs, facilitates user to inquire about.
2nd, the present invention sends alarming short message by communication network to default phone number, air quality can not reach indoors
User is reminded when target, and current indoor environmental information can be sent on user mobile phone, facilitates user to enter indoor environment
Row monitoring.
3rd, the present invention uses communication module, and the data services such as indoor environment information can be just completed within the extremely short time
Collection and transmission, are easy to user remotely to check current indoor environmental information, are more beneficial for user and make corresponding measure, improve and work as
Preceding air quality, while improving the utilization rate of communication network.
4th, the present invention realizes recycling for energy by wireless energy collection device, has reached the effect of environmental protection and energy saving
Really, the development trend of today's society has been adapted to.
In summary, the present invention can effectively measure current indoor environment and be carried in time when environmental quality is not up to standard
Wake up.Meanwhile, present invention facilitates the progress of Indoor Environment Detection technology, so as to directly energetically influence the hair of environment measuring industry
Exhibition, promotes the development of the electronic market of the sector.
Brief description of the drawings
Fig. 1 is the general structure block diagram of the present invention.
Fig. 2 is the schematic diagram of main control module 1.
Fig. 3 is the schematic diagram of formaldehyde gas monitoring modular 2.
Fig. 4 is the connection diagram of temperature-humidity monitoring module 3 and main control module 1.
Fig. 5 is the schematic diagram of communication module 4.
Fig. 6 is the connection diagram of display module 5 and main control module 1.
Fig. 7 is the structured flowchart of the electric supply installation of the present invention.
Fig. 8 is the schematic diagram of reception antenna 61.
Fig. 9 is the schematic diagram of RF-DC rectifier boosts module 62.
Figure 10 is the schematic diagram of power management module 64.
Embodiment
The preferred ginseng of each component in the structure and working principle of the present invention, the present invention is further illustrated below in conjunction with the accompanying drawings
Number has been marked in accompanying drawing.
The overall structure of the present invention of embodiment 1
Reference picture 1, the present invention is a kind of energy saving and environment friendly Intelligent indoor environment monitoring device, and its structure has main control module
1st, formaldehyde gas monitoring modular 2, temperature-humidity monitoring module 3, communication module 4, display module 5 and wireless energy collect power module
6.Wherein formaldehyde gas monitoring modular 2, temperature-humidity monitoring module 3, communication module 4, display module 5 are connected with main control module 1.
Main control module 1 is responsible for coordinating the work between each module, the detection current indoor formaldehyde in air gas of formaldehyde gas monitoring modular 2
Corresponding data, are sent to main control module 1 by concentration, while passing through communication module 4 when formaldehyde in indoor air gas is exceeded
Warning message is sent into user mobile phone, the cell-phone number of user can be pre-stored in communication module 4, and temperature-humidity monitoring module 3 is used for
The indoor humiture situation of monitoring, and send Monitoring Data to main control module 1 in real time, while be shown on display module 5, when
The Monitoring Data of humiture exceed normal range (NR) when, immediately by communication module 3 to user mobile phone send warning message and work as
Air data is sent on user mobile phone in cup, and the normal range (NR) of the data of indoor temperature and humidity can be preset by user, this
In invention, use wireless energy to collect power module 6 as electric power system and provide power supply for each module, play the mesh of energy-conserving and environment-protective
's.
The main control module 1 of the present invention of embodiment 2
Reference picture 2, the structure of main control module 1 of the invention is：Between ARM chips STM32F103ZET6 8 pin and 9 pin
The crystal oscillator Y1 that frequency is 32.768KHz is met, while 8 pin and 9 pin are also grounded by electric capacity C1 and electric capacity C2 respectively, 24 pin connection frequency
Rate is 8MHz crystal oscillator Y2 one end, and the two ends of crystal oscillator Y2 two ends respectively with resistance R1 are connected, also respectively by electric capacity C3 with
C4 is grounded, STM32F103ZET6 30 pin ground connection, and 33 pin meet power vd D by resistance R2, while 33 pin also pass through two parallel connections
Electric capacity C5 and C6 ground connection, 16 pin, 38 pin, 51 pin, 61 pin, 71 pin, 83 pin, 94 pin, 107 pin, 120 pin, 130 pin and 143 pin
Ground connection, 17 pin, 39 pin, 52 pin, 62 pin, 72 pin, 84 pin, 95 pin, 108 pin, 121 pin, 131 pin and 144 pin are all connected with power supply
VDD。
The formaldehyde gas monitoring modular 2 of the present invention of embodiment 3
Reference picture 3, the structure of formaldehyde gas monitoring modular 2 of the invention is：1 pin of MQ-138 sensors meets power vd D,
4 pin are grounded, and 2 pin, 3 pin connect amplifier U1A in-phase input end and inverting input respectively, and amplifier U1A 4 pin are while connecting resistance R3
One end, electric capacity C7 one end and FET J1 drain electrode, resistance R3 and electric capacity C7 another 1 pin for terminating to amplifier U1A,
Amplifier U1A 2 pin ground connection, 5 pin meet power vd D, and 3 pin connect FET J1 source electrode and ground connection, and FET J1 grid connects
Resistance R4 one end, resistance R4 another termination power vd D, amplifier U1A 1 pin and the ARM chips in main control module 1
STM32103ZET6 69 pin are connected；Module realization is monitored in real time to concentration of formaldehyde in indoor gas, and corresponding
Data be sent on main control module 1.
The humiture module 3 of the present invention of embodiment 4
Reference picture 4, the structure of temperature-humidity monitoring module 3 of the invention is：Sensor chip SHT11 GND ends ground connection,
Vdd terminal connects 34 pin of ARM chips STM32F103ZET6 in power vd D, DATA termination main control module 1, and DATA ends also pass through resistance
R5 connects 137 pin of the ARM chips STM32F103ZET6 in power vd D, SCK termination main control module 1.
The communication module 4 of the present invention of embodiment 5
Reference picture 5, the structure of communication module 4 of the invention is：Chip ENC28J60 pin 2,11,22,25,26 connects
Ground, 1 pin is grounded by electric capacity C8, and 14 pin are grounded by resistance R6, and 19,23,24,29,32 pin meet power vd D, and 3 pin connect master control mould
45 pin of ARM chips STM32F103ZET6 in block 1,4 pin connect 96 of the ARM chips STM32F103ZET6 in main control module 1
Pin, 6,7,8 respectively pin connect 111,112,113 pin of the ARM chips STM32F103ZET6 in main control module 1,27,28 pin and frequency
Rate is connected for 25MHz crystal oscillator Y3 two ends, and is grounded respectively by electric capacity C9, electric capacity C10, and 30 pin meet LED A, 31 pin
Meet LED B.
The module can realize the communication between air detecting device and user mobile phone, indoors by indoor first during environmental abnormality
The information such as aldehyde concentration and humiture is sent on user mobile phone in time.Wherein, chip ENC28J60 can as it is any containing
The Ethernet interface of SPI interface single-chip microcomputer.Use SPI interface and single chip communication.ENC28J60 is by seven main functional modules
Constitute：PHY modules, SPI interface, MAC module, dual-port ARM buffers, arbiter, EBI, in addition to other for example shake
Swing device, voltage-stablizer, level conversion and system control logic in piece.
The display module 5 of the present invention of embodiment 6
Reference picture 6, the structure of display module 5 of the invention is：LCDs LCD12864 vdd terminal mouthful and BLA ends
Power vd D, VSS port and BLK ends ground connection are connect, VL ports connect slide rheostat R7 one end, the slide rheostat R7 other end
With end of slide wire ground connection, LCDs LCD12864 data terminal D0~D7 totally 8 pins successively with ARM cores in main control module 1
Totally 8 pins are connected piece STM32F103ZET6 2~5 pin, 58~60 pin and 63 pin.
The reception antenna 61 of the power supply of the present invention of embodiment 7
Reference picture 8, the structure of described reception antenna 61 is planar log periodic antenna, and antenna is overall by 6 section oscillator groups
Into, top surface oscillator and bottom surface oscillator cross arrangement, oscillator and right side oscillator are centrosymmetric structure, intermediate medium on the left of distributing point
Layer is FR-4 sheet materials, and the front of dielectric layer is copper sheet front oscillator, and reverse side is copper sheet reverse side oscillator.Reception antenna receives radio frequency energy
Amount is converted into DC energy.
Oscillator first order oscillator be length d1, width w1 copper sheet, second level oscillator be length d2, width w2 copper sheet,
Third level oscillator is length d3, width w3 copper sheet, and fourth stage oscillator is length d4, width w4 copper sheet, and level V oscillator is
Length d5, width w5 copper sheet, the 6th grade of oscillator is length d6, width w6 copper sheet, and element spacing is respectively g1, g2, g3,
G4, g5, dielectric layer are a length of w, and a width of l RF-4 sheet materials, parameter concrete numerical value is as shown in table 1.
The parameter list (mm) of reception antenna described in table 1
The RF-DC rectifier boosts module 62 of the power supply of the present invention of embodiment 8
Reference picture 9, the structure of described RF-DC rectifier boost modules is：Electric capacity C11 one end is used as RF-DC rectification liters
The input of die block, is designated as M1_IN, and is connected with the output end of reception antenna 61, and the electric capacity C11 other end is with inductance L1's
One end and electric capacity C12~electric capacity C17 one end are connected, inductance L1 other end ground connection, and electric capacity C11 and inductance L1 are collectively constituted
The matching network of the module, the electric capacity C12~electric capacity C17 other end connects diode D1, diode D3, diode respectively successively
D5, diode D7, diode D9, diode D11 negative electrode, diode D1 plus earth, negative electrode connect diode D2 anode,
Diode D2 negative electrode connects diode D3 anode, and diode D3 negative electrode connects diode D4 anode, diode D4 negative electrode
Diode D5 anode is connect, diode D5 negative electrode connects diode D6 anode, and diode D6 negative electrode connects diode D7 sun
Pole, diode D7 negative electrode connects diode D8 anode, and diode D8 negative electrode connects diode D9 anode, diode D9 the moon
Pole connects diode D10 anode, and diode D10 negative electrode connects diode D11 anode, and diode D11 negative electrode connects diode
D12 anode, diode D12 negative electrode is designated as M1_OUT, diode D3, two as the output end of RF-DC rectifier boost modules
Pole pipe D5, diode D7, diode D9, diode D11 anode are grounded by electric capacity C18~electric capacity C22 respectively successively.The mould
Block reception wire receiver to faint RF energy be converted into high-tension D/C voltage.
The power management module 64 of the present invention of embodiment 9
Reference picture 10, the structure of described power management module is：Electric capacity C23 chip termination LM317L pin 2,
And as the input of power management module, M4_IN is designated as, and be connected with the output end of energy storage module 63, electric capacity C23's
The other end is grounded, resistance R8 chip termination LM317L pin 3, and as the output end of power management module 64, is designated as
M2_OUT, connects the input of rechargeable battery 65, and rechargeable battery is powered for whole system, resistance R8 another chip termination LM317L
1 pin and be grounded by variable resistor R9, electric capacity C24 one end ground connection, another termination port M2_OUT.The module is by energy
The unstable DC voltage that memory module 63 is exported, it is rechargeable battery charging to be stable into galvanic current pressure.
The ARM-- control programs of the present invention of embodiment 10
Claims (4)
1. a kind of energy saving and environment friendly Intelligent indoor environment monitoring device, its structure has main control module (1), display module (5), ring
Border detection means and electric supply installation, it is characterised in that structure also has communication module (4), and described environmental detection set is by formaldehyde
Gas-monitoring module (2) and temperature-humidity monitoring module (3) are constituted, and described electric supply installation is that wireless energy collects power module
(6)；Wherein formaldehyde gas monitoring modular (2), temperature-humidity monitoring module (3), communication module (4), display module (5) be and master control
Module (1) is connected, and wireless energy collects power module (6) and provides power supply for each module；
The structure of described main control module (1) is：ARM chips STM32F103ZET6 8 pin and the indirect frequency of 9 pin are
32.768KHz crystal oscillator Y1, while 8 pin and 9 pin are also grounded by electric capacity C1 and electric capacity C2 respectively, 24 pin rate of connections are 8MHz
Crystal oscillator Y2 one end, the two ends of crystal oscillator Y2 two ends respectively with resistance R1 are connected, are also grounded respectively by electric capacity C3 and C4,
STM32F103ZET6 30 pin ground connection, 33 pin meet power vd D by resistance R2, while 33 pin also pass through two electric capacity in parallel
C5 and C6 ground connection, 16 pin, 38 pin, 51 pin, 61 pin, 71 pin, 83 pin, 94 pin, 107 pin, 120 pin, 130 pin and 143 pin ground connection, 17
Pin, 39 pin, 52 pin, 62 pin, 72 pin, 84 pin, 95 pin, 108 pin, 121 pin, 131 pin and 144 pin are all connected with power vd D；
The structure of described formaldehyde gas monitoring modular (2) is：1 pin of MQ-138 sensors meets power vd D, and 4 pin are grounded, 2 pin,
3 pin connect amplifier U1A in-phase input end and inverting input respectively, and amplifier U1A 4 pin are while connecting resistance R3 one end, electric capacity
C7 one end and FET J1 drain electrode, resistance R3 and electric capacity C7 another 1 pin for terminating to amplifier U1A, the 2 of amplifier U1A
Pin ground connection, 5 pin meet power vd D, and 3 pin connect FET J1 source electrode and ground connection, the one of FET J1 grid connecting resistance R4
End, resistance R4 another termination power vd D, amplifier U1A 1 pin is with the ARM chips STM32103ZET6's in main control module (1)
69 pin are connected；
The structure of described temperature-humidity monitoring module (3) is：Sensor chip SHT11 GND ends ground connection, vdd terminal connects power supply
ARM chips STM32F103ZET6 34 pin in VDD, DATA termination main control module (1), DATA ends also connect power supply by resistance R5
137 pin of ARM chips STM32F103ZET6 in VDD, SCK termination main control module (1)；
The structure of described communication module (4) is that chip ENC28J60 pin 2,11,22,25,26 is grounded, and 1 pin passes through electric capacity
C8 is grounded, and 14 pin are grounded by resistance R6, and 19,23,24,29,32 pin meet power vd D, and 3 pin connect the ARM cores in main control module (1)
Piece STM32F103ZET6 45 pin, 4 pin connect 96 pin of the ARM chips STM32F103ZET6 in main control module (1), 6,7,8 points
111,112,113 pin of the ARM chips STM32F103ZET6 in main control module (1) are not connect, and 27,28 pin and frequency are 25MHz's
Crystal oscillator Y3 two ends are connected, and are grounded respectively by electric capacity C9, electric capacity C10, and 30 pin meet LED A, and 31 pin meet LED B；
Described wireless energy is collected power module (6) and deposited by reception antenna (61), RF-DC rectifier boosts module (62), energy
Module (63), power management module (64) and rechargeable battery (65) is stored up to constitute；
The structure of described reception antenna (61) is planar log periodic antenna, and antenna is overall to be made up of 6 section oscillators, top surface oscillator
With bottom surface oscillator cross arrangement, oscillator and right side oscillator are centrosymmetric structure on the left of distributing point, and middle dielectric layer is FR-4 plates
Material, the front of dielectric layer is copper sheet front oscillator, and reverse side is copper sheet reverse side oscillator；
The structure of described RF-DC rectifier boosts module (62) is that electric capacity C11 one end is used as RF-DC rectifier boost modules
Input, is designated as M1_IN, and is connected with the output end of reception antenna (61), the electric capacity C11 other end and inductance L1 one end with
And electric capacity C12~electric capacity C17 one end is connected, inductance L1 other end ground connection, electric capacity C11 and inductance L1 collectively constitute the module
Matching network, the electric capacity C12~electric capacity C17 other end connects diode D1, diode D3, diode D5, two poles respectively successively
Pipe D7, diode D9, diode D11 negative electrode, diode D1 plus earth, negative electrode connect diode D2 anode, diode
D2 negative electrode connects diode D3 anode, and diode D3 negative electrode connects diode D4 anode, and diode D4 negative electrode connects two poles
Pipe D5 anode, diode D5 negative electrode connects diode D6 anode, and diode D6 negative electrode connects diode D7 anode, two poles
Pipe D7 negative electrode connects diode D8 anode, and diode D8 negative electrode connects diode D9 anode, and diode D9 negative electrode connects two
Pole pipe D10 anode, diode D10 negative electrode connects diode D11 anode, and diode D11 negative electrode connects diode D12 sun
Pole, diode D12 negative electrode is designated as M1_OUT as the output end of RF-DC rectifier boost modules, diode D3, diode D5,
Diode D7, diode D9, diode D11 anode are grounded by electric capacity C18~electric capacity C22 respectively successively；
Described energy storage module (63) is made up of a super capacitor C, and super capacitor C positive pole is deposited as energy simultaneously
Store up the input and output end of module (63), negative pole ground connection；
The structure of described power management module (64) is, electric capacity C23 chip termination LM317L pin 2, and is used as electricity
The input of source control module, is designated as M4_IN, and is connected with the output end of energy storage module (63), the electric capacity C23 other end
Ground connection, resistance R8 chip termination LM317L pin 3, and as the output end of power management module (64), it is designated as M2_
OUT, connects the input of rechargeable battery (65), and rechargeable battery is powered for whole system, resistance R8 another chip termination LM317L
1 pin and be grounded by variable resistor R9, electric capacity C24 one end ground connection, another termination port M2_OUT.
2. a kind of energy saving and environment friendly Intelligent indoor environment monitoring device according to claim 1, it is characterised in that each member
Part selects following parameter, and each resistance parameter is respectively, R1：1M Ω, R2：10 Ω, R3：2M Ω, R4:1M Ω, R5：4.7K,R6：
2.3k Ω, the parameter of each electric capacity is respectively, C1：10uF, C2：10uF, C3：22uF, C4：22uF, C5：10uF, C6：0.1uF,
C7:1uf, C8：10uF, C9, C10：22pF, C11：2.39pF, C12：0.1uF, C13：0.1uF, C14：0.1uF, C15：
0.1uF, C16：0.1uF, C17：0.1uF, C18：0.1uF, C19：0.1uF, C20：0.1uF, C21：0.1uF, C22：0.1uF,
C23：0.1uF, C24：0.1uF；Described super capacitor C preferred model SU2400P-0027V-1RA, inductance parameters L1：
9.22nH；Diode D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, are Schottky microwave detector diode,
Model HSMS-2862；Amplifier U1A model：OPA333, FET J1 model J175, triode Q1, triode
Q2 model is 2N3904；Power vd D voltage is+5V.
3. a kind of energy saving and environment friendly Intelligent indoor environment monitoring device according to claim 1, it is characterised in that described
The parameter of reception antenna (61) be：Oscillator first order oscillator is length 125mm, and width 2mm copper sheet, second level oscillator is length
110mm, width 2mm copper sheet are spent, third level oscillator is length 100, and width 2mm copper sheet, fourth stage oscillator is length
92.5mm, width 2mm copper sheet, level V oscillator is length 87.5, and width 2mm copper sheet, the 6th grade of oscillator is length 84mm,
Width 2mm copper sheet, element spacing is respectively 61.5mm, 59.5mm, 54.5mm, 51.5mm, 54mm, and dielectric layer is a length of
255mm, a width of 285mm RF-4 sheet materials.
4. according to a kind of any described energy saving and environment friendly Intelligent indoor environment monitoring device of claims 1 to 3, its feature exists
It is in, the structure of described display module (5), LCDs LCD12864 vdd terminal mouthful and BLA termination powers VDD, VSS
Port and BLK ends ground connection, VL ports connect slide rheostat R7 one end, and slide rheostat the R7 other end and end of slide wire are grounded,
LCDs LCD12864 data terminal D0~D7 totally 8 pins successively with ARM chips in main control module (1)
Totally 8 pins are connected STM32F103ZET6 2~5 pin, 58~60 pin and 63 pin, and slide rheostat R7 resistance is 10k Ω.
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Application publication date: 20170811 |