CN208461532U - A kind of intelligent power supply module for grain feelings detection extension set - Google Patents
A kind of intelligent power supply module for grain feelings detection extension set Download PDFInfo
- Publication number
- CN208461532U CN208461532U CN201821223903.6U CN201821223903U CN208461532U CN 208461532 U CN208461532 U CN 208461532U CN 201821223903 U CN201821223903 U CN 201821223903U CN 208461532 U CN208461532 U CN 208461532U
- Authority
- CN
- China
- Prior art keywords
- feet
- resistance
- port
- power supply
- chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 47
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 79
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 79
- 239000003990 capacitor Substances 0.000 claims description 81
- 238000012545 processing Methods 0.000 claims description 53
- 238000004891 communication Methods 0.000 claims description 49
- 230000005611 electricity Effects 0.000 claims description 24
- 230000001012 protector Effects 0.000 claims description 23
- 239000000523 sample Substances 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 235000013339 cereals Nutrition 0.000 description 50
- 238000010586 diagram Methods 0.000 description 16
- 230000005540 biological transmission Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 6
- 101150023103 CHI gene Proteins 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003071 parasitic effect Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 101100111947 Arabidopsis thaliana CYP72C1 gene Proteins 0.000 description 1
- 101150015099 CHIA1 gene Proteins 0.000 description 1
- 101150032497 CHRDL2 gene Proteins 0.000 description 1
- 102100032766 Chordin-like protein 2 Human genes 0.000 description 1
- 101100439244 Glycine max CHI2-A gene Proteins 0.000 description 1
- 101000722210 Homo sapiens ATP-dependent DNA helicase DDX11 Proteins 0.000 description 1
- 101001112222 Homo sapiens Neural cell adhesion molecule L1-like protein Proteins 0.000 description 1
- 102100023616 Neural cell adhesion molecule L1-like protein Human genes 0.000 description 1
- 101100327792 Penaeus monodon CHH1 gene Proteins 0.000 description 1
- 101100327794 Penaeus monodon CHH2 gene Proteins 0.000 description 1
- 101100166889 Zea mays CHI gene Proteins 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 101150014959 chi1 gene Proteins 0.000 description 1
- 101150071577 chi2 gene Proteins 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a kind of intelligent power supply modules for grain feelings detection extension set, technical solution is, lithium battery charging management circuit, power supply automatic switchover circuit and working sensor power circuit including circuit board and setting on circuit boards, the lithium battery charging management circuit includes charging manager U3, and power supply automatic switchover circuit includes three terminal regulator U2, PMOS tube U8A, U8B and triode Q1, Q8；Working sensor power circuit includes booster U7, PMOS tube U1A, U1B, and the utility model is adaptable, the use of solar energy is that whole system and working sensor are powered, makes full use of resource, reduce energy waste；Extend lithium battery service life and the charge and discharge number of lithium battery is effectively reduced using solar energy and the box-like power supply scheme of lithium battery group, extend the service life of lithium battery, improve solar energy utilization ratio, extending no light is that lithium battery uses the time, energy utilization rate is high, and long service life is low in energy consumption.
Description
Technical field
The utility model relates to grain storage detection technique field, especially a kind of intelligence for grain feelings detection extension set is supplied
Electric module.
Background technique
For in the grain information monitoring system in grain storage industry, existing grain feelings detection extension set is in practical applications
Shortcoming is as follows:
1, communication mode is inconvenient: using Node connectedness communication mode, extension set and master when common detection extension set wireless telecommunications
Communication between machine must be provided with routed path, such as have A, B, tri- network nodes of C, host A, if host is wanted to obtain
C point data, it is necessary to path as A-B-C is set in advance, trouble is arranged in this communication mode, once and some node
Equipment breaks down, and will be unable to communicate with remaining associated equipment of its path, needs to reset wireless communication after more exchange device
, flexibility is poor for diameter；
2, communication distance is limited: in the same environment, due to using network node mode to wirelessly communicate, if point
Machine and host will lead to signal of communication between node and receive bad, communication abnormality apart from too far；
3, poor anti jamming capability: when PERCOM peripheral communication node sends failure or the generation interference of some node signal, transmission number
According to can be abnormal；
4, environmental suitability is poor: entire power supply system only has solar panels and two kinds of battery, and solar panel cannot obtain
When enough to illumination, battery capacity is again limited, and system power supply, which goes wrong, to be made entirely to detect extension set and can not work；
5, energy utilization rate is low: solar panels are generally 0.5W or so using drop offset plate, power, after long-time use by
It is influenced in environment material, solar panel working efficiency reduces, and light transmittance is low, reduces to the transfer efficiency of solar energy；
6, service life is short: a factor is that the material that the solar panels of current detection extension set use is that drop offset plate uses year
It is limited to 3 years, another factor is that the power supply of whole system is charged the battery by solar energy, and then battery is supplied to remaining equipment
Electricity shorten the service life of battery during battery can be often in charging, electric discharge in the extension set course of work；
7, power consumption is high: grain inspection system does not need to power to grain temperature sensor always, only in normal use process
System can just power when needing to acquire grain temperature, so substantially 30 points of time of every grain feelings detection extension set real work
Clock is enough, and such 98% time is in fact all in off working state.Existing grain feelings testing product is to be always maintained at system electricity
Source power supply, which results in the significant wastage of the energy, power consumption is also relatively high.
Therefore, the improvement and innovation of grain feelings detection extension set are imperative.
Utility model content
For above situation, for the defect for overcoming the prior art, the purpose of the utility model is just to provide a kind of operation letter
It is single, adaptable, low energy consumption, it is with long service life for grain feelings detection extension set intelligent power supply module.
The technical solution that the utility model solves is:
A kind of intelligent power supply module for grain feelings detection extension set, the intelligent power supply module include circuit board and are arranged in electricity
Lithium battery charging management circuit, power supply automatic switchover circuit and working sensor power circuit on the plate of road, the lithium battery
Charge management circuit includes charging manager U3, and 1 foot of charging manager U3 meets 2 feet, the 5V of solar battery port P2 respectively
2 feet of power port P9, one end of discharge tube T7, one end of discharge tube T1, the cathode for having electrode capacitance C1, charging manager U3
3 feet (grounding leg), one end of resistance R12, the cathode and 3.7V lithium battery port that have electrode capacitance C6 2 feet, altogether end ground connection, charging
2 feet of manager U3 are connected with the other end of resistance R12, and 4 feet of electric manager U3 connect the cathode of diode D2, diode respectively
The cathode of D1 and the anode for having electrode capacitance C1, end is connected with power supply out splice going splice SDC altogether, and the anode of diode D2 is electric with 5V respectively
1 foot of source port P9, the other end of discharge tube T7 are connected, and (are connected with 5V power connection as 5V power supply power supply output end
VCC5V), the anode of diode D1 connects 1 foot of solar battery port P2 and the other end of discharge tube T1 respectively, as solar energy
Battery power output end, 5 feet of charging manager U3 connect respectively 8 feet of charging manager U3, have electrode capacitance C6 anode and
1 foot of 3.7V lithium battery port, as 3.7V lithium battery power supply output end (being connected with 3.7V lithium battery connector BAT+)；
The power supply automatic switchover circuit includes three terminal regulator U2, PMOS tube U8A, U8B and triode Q1, Q8, three ends
2 feet (input pin) of voltage-stablizer U2 are connected to the anode of electrode capacitance C2, the source electrode of PMOS tube U8B, the cathode of diode D5, three respectively
The emitter of pole pipe Q1, one end of resistance R35 and PMOS tube U8A source electrode, end (is connected with as VCC output port of power source altogether
VCC power supply out splice going splice VCC), there is the cathode of electrode capacitance C2 to be connected to 1 foot of the cathode of electrode capacitance C7, three terminal regulator U2 respectively
(grounding leg), one end of resistance R37, the emitter of triode Q8, resistance R34 one end, altogether end ground connection (is connected with ground joint
GND), the drain electrode of PMOS tube U8B is connected with the anode of diode D5, and the grid of PMOS tube U8B connects the current collection of triode Q1 respectively
The other end of pole and resistance R37, the base stage of triode Q1 connect the collector and resistance R36 of triode Q8 through resistance R38 respectively
One end, the other end of the other end difference connecting resistance R35 of resistance R36 and the grid of PMOS tube U8A, the drain electrode point of PMOS tube U8A
The cathode of controllable accurate source of stable pressure Q2 and one end of resistance R42 are not connect, altogether end and manager electric in lithium battery charging management circuit
4 feet of U3 are connected, and the anode of controllable accurate source of stable pressure Q2 distinguishes the other end and resistance of one end of connecting resistance R41, resistance R34
One end of R43, the other end of the other end difference connecting resistance R42 of resistance R43 and the reference pole of controllable accurate source of stable pressure Q2, resistance
The other end of R41 and the base stage of triode Q8,3 feet (output pin) of three terminal regulator U2 are connected with there is the anode of electrode capacitance C7,
End is as 3.3V power output end VCC3.3V altogether (connection 3.3V power supply exports VCC3.3V)；
The working sensor power circuit includes booster U7, PMOS tube U1A, U1B, and 1 foot of booster U7 connects respectively
Diode D3 anode and inductance L1 one end, the cathode of diode D3 respectively one end of connecting resistance R2, having electrode capacitance C15 just
Pole, one end of capacitor C21 and fuse F1 one end, the other end of resistance R2 connects 3 feet and resistance R3 of booster U7 respectively
One end, the other end of resistance R3 connect respectively the anode of zener diode T4, capacitor C21 the other end, have that electrode capacitance C15's is negative
Pole, one end of resistance R1, booster U7 2 feet, have electrode capacitance C3 cathode, have electrode capacitance C14 one end and triode Q4
Emitter, end ground connection, the other end of fuse F1 are connected with the cathode of zener diode T4 altogether, and end is exported as VDD power supply altogether
Port (is connected with VDD power supply out splice going splice VDD), and the other end of inductance L1 connects 4 feet of booster U7 respectively, 5 feet, has electrode capacitance
The test point detected as booster circuit supply voltage is held in the drain electrode of the anode of C3, one end of capacitor C14 and PMOS tube U1A altogether
VEE (is connected with booster circuit supply voltage detection tabs VEE), one end, two poles of the source electrode difference connecting resistance R8 of PMOS tube U1A
The cathode of pipe D7 and the source electrode of PMOS tube U1B hold the drain electrode of PMOS tube U8B, diode in VFF and power supply automatic switchover circuit altogether
The total end of the anode of D5 is connected, and the other end of resistance R8 connects the grid of PMOS tube U1A and the collector of triode Q4, two poles respectively
One end of the anode difference connecting resistance R29 of pipe D7 and the grid of PMOS tube U1B, hold PWR_5V and lithium battery charging management circuit altogether
The anode of middle diode D2,1 foot of 5V power port P9, the total end of discharge tube T7 are connected, and (drain electrode of PMOS tube U1B (is connected with
System power supply interface PSW is as probe power feeder ear), the base stage of triode Q4 is connected with one end of resistance R5, resistance R5
The other end be equipped with connector VDDEN.
The utility model has technical effect beneficial below:
1, adaptable: it is system power supply that lithium battery is used in intensity of illumination deficiency, is only opening acquisition grain temperature
It the use of lithium battery is the power supply of grain temperature sensor when operation, other times close power supply, battery loss is reduced, when sunny,
The use of solar energy is lithium battery charging, and the use of solar energy is that whole system and working sensor are powered, makes full use of resource, subtract
Few energy waste；
2, extend lithium battery service life: using solar energy and the box-like power supply scheme of lithium battery group, environmental suitability
By force, intelligent power supply module uses intelligent electric power management mechanism, effectively reduces the charge and discharge number of lithium battery, extends making for lithium battery
With the service life, solar energy utilization ratio is improved, extending no light is lithium battery using the time, and energy utilization rate is high, long service life, function
It consumes low.
Detailed description of the invention
Fig. 1-3 is the circuit diagram of the utility model；
Wherein Fig. 1 is lithium battery charging management circuit schematic diagram；
Fig. 2 power supply automatic switchover circuit schematic diagram:
Fig. 3 working sensor power circuit principle figure.
Fig. 4 is the circuit frame schematic diagram of the utility model use state.
Fig. 5-11 is the circuit diagram of the data processing module of the utility model.
Figure 12 is the utility model sensor interface module grain temperature channel data Acquisition Circuit schematic diagram.
Figure 13 is that the utility model sensor interface module grain temperature channel integrates connection terminal module circuit diagram.
Figure 14 is the circuit diagram of the utility model communication module.
Figure 15-17 is the utility model supply voltage detection module circuit diagram:
Wherein Figure 15 is external power supply voltage detecting circuit schematic diagram；
Figure 16 is booster circuit supply voltage detection circuit schematic diagram；
Figure 17 is booster circuit output voltage detecting circuit schematic diagram.
Figure 18 is the integral module schematic diagram of the utility model use state.
Specific embodiment
Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing.
It is provided by Fig. 1-18, the utility model includes the lithium battery Charge Management electricity of circuit board and setting on circuit boards
Road, power supply automatic switchover circuit and working sensor power circuit, the lithium battery charging management circuit include Charge Management
1 foot of device U3, charging manager U3 connect 2 feet of solar battery port P2,2 feet of 5V power port P9, discharge tube T7 respectively
One end, one end of discharge tube T1, the cathode for having electrode capacitance C1,3 feet (grounding leg) of charging manager U3, resistance R12 one
The cathode of electrode capacitance C6 and 2 feet of 3.7V lithium battery port are held, have, altogether end ground connection, 2 feet and resistance R12 of charging manager U3
The other end be connected, 4 feet of electric manager U3 connect respectively the cathode of diode D2, diode D1 cathode and have electrode capacitance C1's
Anode, end is connected with power supply out splice going splice SDC altogether, the anode of diode D2 respectively with 1 foot of 5V power port P9, discharge tube T7
The other end be connected, as 5V power supply power supply output end (being connected with 5V power connection VCC5V), diode D1 anode connect respectively
1 foot of solar battery port P2 and the other end of discharge tube T1, as solar cell for supplying power output end, charging manager U3
5 feet connect 1 foot of 8 feet of charging manager U3, the anode for having electrode capacitance C6 and 3.7V lithium battery port respectively, as 3.7V lithium
Battery powers output end (being connected with 3.7V lithium battery connector BAT+)；
The power supply automatic switchover circuit includes three terminal regulator U2, PMOS tube U8A, U8B and triode Q1, Q8, three ends
2 feet (input pin) of voltage-stablizer U2 are connected to the anode of electrode capacitance C2, the source electrode of PMOS tube U8B, the cathode of diode D5, three respectively
The emitter of pole pipe Q1, one end of resistance R35 and PMOS tube U8A source electrode, end (is connected with as VCC output port of power source altogether
VCC power supply out splice going splice VCC), there is the cathode of electrode capacitance C2 to be connected to 1 foot of the cathode of electrode capacitance C7, three terminal regulator U2 respectively
(grounding leg), one end of resistance R37, the emitter of triode Q8, resistance R34 one end, altogether end ground connection (is connected with ground joint
GND), the drain electrode of PMOS tube U8B is connected with the anode of diode D5, and the grid of PMOS tube U8B connects the current collection of triode Q1 respectively
The other end of pole and resistance R37, the base stage of triode Q1 connect the collector and resistance R36 of triode Q8 through resistance R38 respectively
One end, the other end of the other end difference connecting resistance R35 of resistance R36 and the grid of PMOS tube U8A, the drain electrode point of PMOS tube U8A
The cathode of controllable accurate source of stable pressure Q2 and one end of resistance R42 are not connect, altogether end and manager electric in lithium battery charging management circuit
4 feet of U3 are connected, and the anode of controllable accurate source of stable pressure Q2 distinguishes the other end and resistance of one end of connecting resistance R41, resistance R34
One end of R43, the other end of the other end difference connecting resistance R42 of resistance R43 and the reference pole of controllable accurate source of stable pressure Q2, resistance
The other end of R41 and the base stage of triode Q8,3 feet (output pin) of three terminal regulator U2 are connected with there is the anode of electrode capacitance C7,
End is as 3.3V power output end VCC3.3V altogether (connection 3.3V power supply exports VCC3.3V)；
The working sensor power circuit includes booster U7, PMOS tube U1A, U1B, and 1 foot of booster U7 connects respectively
Diode D3 anode and inductance L1 one end, the cathode of diode D3 respectively one end of connecting resistance R2, having electrode capacitance C15 just
Pole, one end of capacitor C21 and fuse F1 one end, the other end of resistance R2 connects 3 feet and resistance R3 of booster U7 respectively
One end, the other end of resistance R3 connect respectively the anode of zener diode T4, capacitor C21 the other end, have that electrode capacitance C15's is negative
Pole, one end of resistance R1, booster U7 2 feet, have electrode capacitance C3 cathode, have electrode capacitance C14 one end and triode Q4
Emitter, end ground connection, the other end of fuse F1 are connected with the cathode of zener diode T4 altogether, and end is exported as VDD power supply altogether
Port (is connected with VDD power supply out splice going splice VDD), and the other end of inductance L1 connects 4 feet of booster U7 respectively, 5 feet, has electrode capacitance
The test point detected as booster circuit supply voltage is held in the drain electrode of the anode of C3, one end of capacitor C14 and PMOS tube U1A altogether
VEE (is connected with booster circuit supply voltage detection tabs VEE), one end, two poles of the source electrode difference connecting resistance R8 of PMOS tube U1A
The cathode of pipe D7 and the source electrode of PMOS tube U1B hold the drain electrode of PMOS tube U8B, diode in VFF and power supply automatic switchover circuit altogether
The total end of the anode of D5 is connected, and the other end of resistance R8 connects the grid of PMOS tube U1A and the collector of triode Q4, two poles respectively
One end of the anode difference connecting resistance R29 of pipe D7 and the grid of PMOS tube U1B, hold PWR_5V and lithium battery charging management circuit altogether
The anode of middle diode D2,1 foot of 5V power port P9, the total end of discharge tube T7 are connected, and (drain electrode of PMOS tube U1B (is connected with
System power supply interface PSW is as probe power feeder ear), the base stage of triode Q4 is connected with one end of resistance R5, resistance R5
The other end be equipped with connector VDDEN.
Lithium battery charging management chip U3 model CN3063；
The controllable accurate source of stable pressure Q2 is the 2.5V reference voltage source chip of model TL431, is supplied for detecting solar energy
Piezoelectric voltage.
The booster U7 model FP6291；
The three terminal regulator U2 model XC6214P332PR；
As shown in Figure 1, external 5V input or selection can be used too in the power supply in lithium battery charging management circuit
Positive energy solar panel power supply.Lithium battery charging management circuit includes the 5V power port and solar panel being connected with 5V power supply
Connected solar battery port, the 3.7V lithium battery port being connected with lithium battery BAT, discharge tube T1, T7, diode D1, D2,
There are electrode capacitance C1, C6 (as filter capacitor) and charging manager U3；Discharge tube T1 and T7 be used for surge protection, diode D1 and
For anti-reverse, circuit power input can choose as solar energy or 5V power supply power supply D2, for solar-powered,
4 feet (VIN) for protecting circuit that solar powered end is connected to charging manager U3 are made up of diode D1 and discharge tube T1
With 3 feet (GND), by have electrode capacitance C6 give lithium battery charge, charging manager U3 just in charging status signal output end CH
Pin (7 foot) and fully charged status signal output OK pin (6 foot) be separately connected chip U4 in data processing module 3 feet and
2 feet are connected.The cathode of diode Dl and D2 are also connected with solar panel power supply out splice going splice (SDC connector), 5V input power
It is directly connected to 5V power connection VCC5V.
System passes through diode D1 using solar powered end, discharge tube T1 or 5V input power passes through discharge tube T7,
Diode D2 is as external power supply power supply and lithium battery charging input power；Capacitor C1, charging manager U3, resistance R12, capacitor
C6 forms lithium battery charging circuit, provides suitable charging modes for lithium battery；This circuit is that system work increases a kind of confession
Electric mode improves system environments adaptability, enhances system job stability and safety.Diode D1, D2, discharge tube T1,
T7 provides protective effect for lithium battery charging input end mouth, reduces static electricity on human body, external surge interference etc. and impacts to system.
As shown in Fig. 2, power supply automatic switchover circuit includes resistance R34, R35, R36, R38, R41, R42, R43, controllable essence
Close source of stable pressure Q2, PMOS tube U8A, U8B, triode Q8, Q1, diode D5, three terminal regulator U2, the wherein leakage of PMOS tube U8A
Electric manager U3 in the total end SDC and lithium battery charging management circuit of pole, the cathode of controllable accurate source of stable pressure Q2 and resistance R42
4 feet are connected, and input as sun-generated electric power, only when total end SDC is higher than 4.9V, pass through resistance R42 and R43, controllable accurate
Source of stable pressure Q2, triode Q8 and Q1, PMOS tube U8A and U8B composition power input selector, at this time PMOS tube U8A conducting and U8B
It is not turned on, sun-generated electric power is by diode D5 and has electrode capacitance C7 to provide input power to three terminal regulator U2, works as solar energy
Brownout, PMOS tube U8A is not turned on, PMOS tube U8B is connected, the battery power supply of power input selector selection at this time, PMOS tube
The drain electrode of U8B, diode D5 anode total end VFF by there is the end VIN of electrode capacitance C7 and three terminal regulator U2 (2 foot) phase
Even.Wherein the parasitic diode of PMOS tube U8A and U8B is backward dioded, with normal diode on the contrary, to prevent battery from supplying
Electric current charges the battery by diode when electric, and lithium battery is caused to overshoot, this is that one of this product innovation and advantage, three ends are steady
Depressor U2 is that the switching of system power supply functional mode is realized in system work power supply by there is electrode capacitance C7 to export 3.3V voltage.
Resistance R42, R43, R34 and triode Q2 form input power gate, by triode Q8, Q1, resistance R41,
R36, R35, R38, PMOS tube U8A and U8B form power supply selection circuit, are controlled according to power supply gate state using external
Input power SDC uses battery VFF and diode D5, PMOS tube U8B as three terminal regulator U2 prime input power；Electricity
Hold C2, three terminal regulator U2, capacitor C7 and constitute working power circuit, provides normal work power supply for data processing module；This electricity
Road meeting intelligent selection uses external power supply or lithium battery to input as data processing module power supply, can guarantee at data
Managing module being capable of normal table operation；Wherein the source electrode and drain electrode selection reversal connection mode of PMOS tube U8B and U8A is to supply in order to prevent
Electric input current reversely flows into lithium battery by parasitic diode, and lithium battery is caused to overcharge.
As shown in figure 3, working sensor power circuit is the PSW being connected with lithium battery BAT respectively there are two types of input power
The anode of the diode D7 that the power supply connector PSW of drain electrode (PMOS tube U1B) is connected with 5V power supply, resistance R29 and PMOS tube U1B
The total end PWR_5V of grid.Circuit includes P metal-oxide-semiconductor U1B, U1A, resistance R5, R8, R29, R1, R2, R3, diode D3, D7, and three
Pole pipe Q4, capacitor C3, C21, zener diode T4, inductance L1 and fuse F1；When circuit use lithium battery BAT as circuit before
When level power supply inputs, the grid of P metal-oxide-semiconductor U1B is connected by resistance R29 with ground, P metal-oxide-semiconductor U1B conducting, P metal-oxide-semiconductor U1B's
Source electrode and drain electrode increases a reversed parasitic diode, and electric current charges the battery by diode when preventing battery from powering, and causes
Lithium battery overshoot.Input terminal by filter capacitor C14 and C3 as booster U7, while (inductance L1, boosting with pin VEE
The total end that 4 feet of device U7,5 feet, the anode for having electrode capacitance C3, capacitor C14 drain with PMOS tube U1A) it is connected as booster circuit
The test point of supply voltage detection.The OC pin (6 foot) of booster U7 is connected to ground by resistance R1, and FB pin (3 foot) connects
It is grounded between resistance R2 and R3 by R3.Booster U7 output end (1 foot) connects diode D3 and passes through filter capacitor C15 and C21
It is connected later with fuse F1,5V pin VDD (VDD output port of power source) is then connected to by zener diode T4；Work as number
When exporting high level according to the port VDDEN (14 foot) of chip U4 in processing module, triode Q4 saturation conduction, to make P MOS
Pipe U1A conducting is that rear class sensor circuit is powered, when the port VDDEN (14 foot) of chip U4 in data processing module exports low electricity
Usually, triode Q4 ends, so that MOS U1A ends, it is no longer the power supply of rear class sensor circuit.
PMOS tube U1B, resistance R29 and diode D7 constitute external 5V power supply and lithium battery power supply automatic switchover circuit,
When external 5V power supply works normally, it can preferentially select this power supply to system power supply；PMOS tube U1A, resistance R8, R5 and triode
Q4 constitutes sensor power supply output control circuit, and data processing module controls the output of probe power as needed
Function；Capacitor C3, booster U7, inductance L1, diode D3, resistance R1, R2, R3, capacitor C15, C21 constitute sensor power supply
Circuit is managed, system is in lithium battery power supply, and with the electric discharge of lithium battery, cell output voltage can be reduced constantly, it is contemplated that be
Farther out from extension set, the conducting wire pressure drop for connecting extension set and sensor is larger, when lithium battery forces down for sensor in actual use for system
When to a certain extent, sensor job insecurity or cisco unity malfunction due to electricity shortage will lead to, so designing this power supply
Circuit is managed, effect is that unstable cell output voltage is converted to stable DC5V power supply output, improves sensor work
The reliability of work extends the use distance of sensor.Fuse F1 and zener diode T4 constitutes probe power output
The protective effect of port, power supply output short-circuit caused by preventing artificially, static electricity on human body, external surge interference etc. cause to damage to system
It is bad.
To guarantee using effect, 6 feet of the charging manager U3 are connected with data processing module, the data processing
Module includes chip U4, and 1 foot of chip U4 is connected with one end of capacitor C13, and end is defeated with the 3.3V power supply of intelligent power supply module altogether
Outlet VCC3.3V is connected, the other end of capacitor C13 ground connection, one end of the 7 feet difference connecting resistance R14 of chip U4 and capacitor C8's
One end, the other end ground connection of capacitor C8, the other end of resistance R14 and the 3.3V power output end VCC3.3V of intelligent power supply module
Be connected, 13 feet of chip U4 respectively with 19 feet of chip U4,64 feet, 48 feet, 32 feet, one end of capacitor C9, capacitor C10 one
It holds, one end of capacitor C11 is connected with one end of capacitor C12, the 3.3V power output end VCC3.3V at total end and intelligent power supply module
It is connected, the other end of capacitor C9 connects the other end of the other end of capacitor C10, the other end of capacitor C11 and capacitor C12 respectively, altogether
End ground connection, one end of the 60 feet difference connecting resistance R20 of chip U4 and the collector of triode Q5, the other end ground connection of resistance R20,
One end of the emitter difference connecting resistance R23 of triode Q5 and 1 foot of port P1, hold the 3.3V power supply with intelligent power supply module altogether
Output end VCC3.3V is connected, and the other end of resistance R23 meets the base stage of triode Q5 and one end of resistance R22, resistance R22 respectively
The other end be connected with 5 feet of port P1,2 feet of port P1 are connected with 42 feet of chip U4,3 feet of port P1 and chip U4's
43 feet are connected, and 4 ground connection of port P1,7 feet of port P1 are connected with 49 feet of chip U4,8 feet of port P1 and the 46 of chip U4
Foot is connected, and 5 feet of chip U4 connect one end of crystal oscillator M2 and one end of capacitor C16, the other end and capacitor C17 of capacitor C16 respectively
One end be connected, end ground connection altogether, the other end of capacitor C17 connects the other end of crystal oscillator M2 and 6 feet of chip U4 respectively；Chip U4's
27 feet connect the base stage of triode Q9 through resistance R39, and the emitter of triode Q9 is grounded, and collector is (right with sensor interface module
The end CHPWR [8..1] answered is connected) it is connected, 57 feet of chip U4 connect the base stage of triode Q10 through resistance R40, triode Q9's
Emitter ground connection, collector are connected with sensor interface module (corresponding CHPWR [8..1] end is connected)；28 feet of chip U4 pass through
Resistance R17 ground connection, 31 feet, 47 feet, 63 feet, 18 feet, 12 foot earths；2 foot phases of 6 feet of charging manager U3 and chip U4
Even, 7 feet of charging manager U3 are connected with 3 feet of chip U4,14 feet and working sensor of chip U4 in data processing module
Connector VDDEN in power circuit be connected.
As shown in Figure 11-Figure 5, it is 32 high-performance Cortex-M3 that data processing module, which is contained including chip U4, chip U4,
The processor of kernel, subordinate machine system working power are all connected in the VCC output port of power source of intelligent power supply module, are chip U4
(data processor MCU), which is provided, works normally power supply；Electricity in the port VDDEN (14 foot) the control intelligent power supply module of chip U4
Source connected state, U2_TXD (16 foot), U2_RXD (17 foot), 485_RE (20 foot) and 485_DE (15 foot) four ends of chip U4
The function of mouth is respectively data transmission, data receiver, reception is all-round and transmission is enabled, this four ports are connected to communication module
RS485 telecommunication circuit, for being communicated with storehouse temperature storehouse wet sensor.ADO (21 foot), AD1 (22 foot) and the AD2 (23 foot) of chip U4
Port is that subordinate machine system supply voltage detects port, these three ports are connected to supply voltage detection module, and wherein the port ADO is examined
Survey external power supply supply voltage, AD1 Port detecting booster circuit supply voltage, AD2 Port detecting booster circuit output voltage, core
The OK (2 foot) of piece U4 and (3 foot) port CH are that lithium battery charged state detects port, and wherein the port OK is that battery is full of signal,
The port CH is battery just in charging signals；The U3_TXD (29 foot) of chip U4 and U3_RXD (30 foot) port are connected to communication module
Wireless communication port, function be respectively data send and data receiver, chip U4 by the two ports and wireless communication
Circuit communication, for receiving order that measurement and control host computer is sent or sending collected data to measurement and control host computer.CHI [8..1] is right
8 passways of extension set (45 feet, 55 feet, 58 feet, 62 feet, 33 feet, 37 feet, 40 feet, 52 feet of corresponding chip U4) are answered, for detecting
The grain temperature sensor data connected on each channel.The power supply port in the corresponding each channel CHPWR [8..1], is used to logical
Road detection power supply, CHL [8..1] (26 feet, 28 feet, 8 feet, 9 feet, 10 feet, 11 feet, 24 feet, 25 feet of corresponding chip U4) are used to control
Output end CH_OUT processed is low level, CHH [8..1] (41 feet, 50 feet, 56 feet, 59 feet, 34 feet, 36 feet, 38 of corresponding chip U4
Foot, 53 feet) it is used to control output end CH_OUT as high level, input terminal CHI [8..1] is directly connected to output end CH_OUT, makes it
It is consistent, as shown in figure 5, providing the circuit diagram of the grain temperature channel data acquisition in 2 channels.
Resistance R14 and capacitor C8 forms electrification reset circuit, and in powered on moment, capacitor C8 both end voltage is 0V, resistance R14
Both end voltage is 3.3V, i.e., the RST pin of chip U4 (7 foot) is that low level chip U4 is in reset state, as the time prolongs
Late, electric current charges to capacitor C8 through resistance R14, and charge increases in capacitor C8, and both end voltage is also gradually increasing, when the both ends capacitor C8
When voltage rises to 2V or more, chip U4 reset terminates, into starting state；The power supply of grain temperature sensor channel passes through control connection
To the port chip U4 corresponding CHPWR [8..1], (1-8 totally 8 access ports, respectively correspond 44 feet, 54 feet, 27 of chip U4
Foot, 57 feet, 61 feet, 35 feet, 39 feet, 51 feet), make corresponding triode ON or cut-off, provides power supply for channel.
The end VBAT (1 foot) of chip U4 and capacitor C13 form real-time clock power circuit, operate normally real-time clock.
Data processing module is communicated by RS485 with storehouse temperature storehouse wet sensor, the life sent using wireless communication receiver measurement and control host computer
It enables or sends collected data to measurement and control host computer, detect subordinate machine system each section supply voltage, control 8 sensor passages
Working condition is powered channel, data processing；Resistance R39, triode Q9 and resistance R40, triode Q10 are respectively constituted
The level shifting circuit of sensor passage, data processing module control sensor passage power work state as needed.
The sensor interface module includes 4 identical grain temperature channel data Acquisition Circuits, each grain temperature port number
According to the corresponding 2 grain temperature data acquisition channels of Acquisition Circuit comprising PMOS tube U6B, U5B, U9A, U9B, triode Q3, Q6 are protected
Shield device T2 and protection diode D6, protector T2 and protection diode D6 have identical two, the source electrode difference of PMOS tube U6B
Connect one end of capacitor C25, one end of capacitor C26, one end of resistance R26, the source electrode of PMOS tube U9B, one end of resistance R28, electricity
Hinder one end of R16, the source electrode of PMOS tube U9A, one end of resistance R24, one end of resistance R27, resistance R11 one end and, PMOS
The source electrode of pipe U6A terminates the VDD output port of power source of the working sensor power circuit, the grid and electricity of PMOS tube U6B altogether
The other end for hindering R24 is connected, altogether chip termination U4 corresponding a CHPWR [8..1] port (respectively 44 feet of chip U4,54
Foot, 27 feet, 57 feet, 61 feet, 35 feet, 39 feet, 51 feet), the drain electrode of PMOS tube U6B connects collector, the resistance of triode Q3 respectively
The other end of R27, one end of resistance R19, one end of capacitor C23, first protector T2 one end and first two pole of protection
The cathode of pipe D6, end (is connected with corresponding out splice going splice CHx_OUT, wherein x is 1-8, represents 8 as output end CHx_OUT altogether
The output end in a channel) and an input terminal CHI [8..1] corresponding with chip U4 in data processing module port (respectively core
45 feet, 55 feet, 58 feet, 62 feet, 33 feet, 37 feet, 40 feet, 52 feet of piece U4) being connected is used as input terminal, the grid of PMOS tube U6A
The other end of connecting resistance R11 holds a CHH [8..1] corresponding with chip U4 in data processing module port (respectively core altogether
41 feet, 50 feet, 56 feet, 59 feet, 34 feet, 36 feet, 38 feet, 53 feet of piece U4) it is connected, the drain electrode connecting resistance R19's of PMOS tube U6A
The base stage of the other end, triode Q3 connects a corresponding CHL [8..1] port chip U4 in data processing module through resistance R32
(respectively 26 feet of chip U4,28 feet, 8 feet, 9 feet, 10 feet, 11 feet, 24 feet, 25 feet), the emitter of triode Q3 connects respectively
The other end of capacitor C23, the other end of capacitor C25, the other end of capacitor C26, the emitter of triode Q6, capacitor C24 one
End, one end of second protector T2, the other end of first protector T2, second protection diode D6 one end and first
The other end of a protection diode D6, total end are grounded, the other end of the grid connecting resistance R16 of PMOS tube U9A, at total end and data
Manage module in a corresponding CHH [8..1] port chip U4 (respectively 41 feet of chip U4,50 feet, 56 feet, 59 feet, 34 feet,
36 feet, 38 feet, 53 feet) it is connected, one end of the drain electrode connecting resistance R21 of PMOS tube U9A, the other end of resistance R21 meets PMOS respectively
The drain electrode of pipe U9B, the other end of resistance R28, the other end of capacitor C24, the other end of second protector T2 and second guarantor
The other end of diode D6 is protected, end (is connected with corresponding out splice going splice CHx_OUT, wherein x is as output end CHx_OUT altogether
1-8 represents the output end in 8 channels) and an input terminal CHI [8..1] corresponding with chip U4 in data processing module port
(respectively 45 feet of chip U4,55 feet, 58 feet, 62 feet, 33 feet, 37 feet, 40 feet, 52 feet), which are connected, is used as input terminal, PMOS tube
The other end of the grid connecting resistance R26 of U9B holds a CHPWR [8..1] port (respectively chip U4 corresponding with chip U4 altogether
44 feet, 54 feet, 27 feet, 57 feet, 61 feet, 35 feet, 39 feet, 51 feet) be connected, the base stage of triode Q6 connects data through resistance R33
A corresponding CHL [8..1] port chip U4 in processing module (respectively 26 feet of chip U4,28 feet, 8 feet, 9 feet, 10 feet,
11 feet, 24 feet, 25 feet).
The sensor interface module further includes integrated wiring terminal module, integrated wiring terminal module include sensor and
1 foot and lithium battery charging management circuit of power switch port P4,8 access port P5, sensor and power switch port P4
In 3.7V lithium battery power supply output end be connected, 2 feet are connected conduct with the drain electrode of PMOS tube U1B in working sensor power circuit
Probe power feeder ear；3 feet are connected with 1 foot of one end of ESD protection device T6 and 8 access port P5 respectively, terminate institute altogether
State the VDD output port of power source of working sensor power circuit, 4 feet of sensor and power switch port P4,5 feet respectively with it is logical
Believe that module is connected, 6 feet of sensor and power switch port P4 connect the other end and 8 access ports of ESD protection device T6 respectively
2 feet of P5, end is grounded altogether, the output corresponding with 4 grain temperature channel data Acquisition Circuits respectively of the 3-10 foot of 8 access port P5
End CHx_OUT (being connected with corresponding out splice going splice CHx_OUT, wherein x is 1-8, represents the output end in 8 channels) is connected.
The protector T2 model PESD5V0L2BT；
The protection diode D6 model BAW56；
ESD protection device T6 is unidirectional patch TVS pipe；
As shown in figure 12, the grain temperature channel data Acquisition Circuit schematic diagram of 2 grain temperature data acquisition channels is provided, wherein
The port CHPWR [8..1] is respectively CH1_PWR and CH2_PWR, respectively corresponds 27 feet and 35 feet of chip U4；The end CHI [8..1]
Mouth is respectively CH1_I and CH2_I, respectively corresponds the port CHI1 and the port CHI2 (33 feet and 37 feet) of chip U4；CHH[8..1]
Port is respectively CH1_H and CH2_H, respectively corresponds the port CHH1 and the port CHH2 (34 feet and 36 feet) of chip U4；Connector
CHx_OUT is respectively CH1_OUT and CH2_OUT, and be connected with the corresponding ports of integrated wiring terminal module (8 tunnel ends respectively
The CH2 of the 3 foot CH1 and 4 feet of mouth P5)；The port CHL [8..1] is respectively CH1_L and CH2_L, respectively corresponds the CHL1 of chip U4
Port and the port CHL2 (24 feet and 25 feet)；This is the grain temperature channel Acquisition Circuit in 2 channels, other channels and this circuit phase
Together；
CHx_PWR connects P metal-oxide-semiconductor U6B grid by R24 with power vd D, is connected when input low level controls PMOS tube,
So that output end CHx_OUT is connected with VDD and exports high level；CHxH connects P metal-oxide-semiconductor U6A grid by R11 with power vd D, control
CHx_H output low and high level processed carrys out the state of control output end CHx_OUT.CHx_I is directly connected with output end CHx_OUT, defeated
The transition of outlet CHx_OUT is identical as input terminal CHx_I；It inputs CHx_L and passes through current-limiting resistance R32 and NPN triode Q3 base stage
It is connected, the collector of triode Q3 is directly connected with output end CHx_OUT, and the emitter and ground of triode Q3 is shorted, by logical
Know the on and off of the low and high level control triode Q3 of input terminal CHx_L, whether control output end CHx_OUT is low electricity
It is flat.Output end CHx_OUT is output to port CHx_ after being connected by filter capacitor C23, protector T2 with protection diode D6
OUT；Resistance R24, PMOS tube U6B form sensor passage power supply output control circuit, and data processing module is as needed
To control working sensor power supply status；Resistance R11, PMOS tube U6A resistance, R32, triode Q3 form output state control electricity
Road, data processing module carry out control output end CHx_OUT state as needed.CHx_I is directly connected with output end CHx_OUT,
For reading the status information of output end CHx_OUT.Output protection is formed by capacitor C23, protector T2 and protection diode D6
Device reduces static electricity on human body, external surge interference etc. and impacts to system.
As shown in figure 13, PSW+ and PSW-port are connected to intelligent power supply module in integrated wiring terminal module, are extension set
System power supply, sensor and power switch port P4 are sensor and power switch Wiring port, and ESD protection device T6 therein is used
In protection internal circuit from the interference of electrostatic, 8 access port P5 are grain temperature channel sensor connectivity port, zener diode
T4 (TVS protective device) is for protecting subordinate machine system power supply not interfered by extraneous such as thunder and lightning.
When the utility model is used, grain feelings detection extension set includes shell and fills on the intracorporal circuit board of shell, circuit board
There is control circuit, which is characterized in that the control circuit includes:
Intelligent power supply module: for providing 3.3V 5V working power；Output end of powering connects data processing module, leads to
Believe the energization input of module, supply voltage detection module and sensor interface module；Power source includes that external 5V power supply supplies
Electricity, solar panel and lithium battery；Observing and controlling subordinate machine system is adopted in progress grain temperature sensor and storehouse temperature storehouse sensor device data
When collection, data processing module can control power supply by the port VDDEN (14 foot) of chip U4 and connect, and give the wet detection in corresponding bin temperature storehouse
Grain temperature detection sensor power supply in sensor and all channels, data processing module can control closing after data acquire
Power path reaches energy-efficient purpose；
Sensor interface module: it including Temperature Humidity Sensor interface and grain temperature sensor interface, is passed for connecting temperature and humidity
Sensor and grain temperature sensor (temperature sensor of detection cereal temperature), provide storehouse temperature storehouse wet data (grain temperature, grain for extension set
Storehouse humidity data) and grain temperature data (cereal temperature data)；
Communication module: for completing receiving host order and uploading collected data of the Temperature and Humidity module and grain temperature data；It should
Module includes wireless communication, RS485 communication, and wireless communication is to complete receiving host life for communicating with corresponding measurement and control host computer
It enables, upload the functions such as collected temperature and humidity and grain temperature data；Use is communicated with Temperature Humidity Sensor, grain temperature sensor
RS485 communication.
Supply voltage detection module: for the detection of circuit supply voltage and output voltage detection；Including external power supply voltage
Detection, the detection of booster circuit supply voltage, the detection of booster circuit output voltage；
Data processing module: for grain temperature acquisition data processing, the wet detection data processing of Cang Wencang, lithium battery charging inspection
It surveys, detection subordinate machine system power supply monitoring；
The data processing module is electric with intelligent power supply module, sensor interface module, communication module and power supply respectively
Detection module is pressed to be connected.
Communication module includes buzzer U10, RS_485 communication chip U5 and communication port P7, and the power supply of buzzer U10 is defeated
Enter end to be connected with one end of capacitor C18 and power supply automatic switchover circuit VCC output port of power source respectively, the signal of buzzer U10
Input terminal is connected with the collector of triode Q7, and the base stage of triode Q7 connects 4 of chip U4 in data processing module through resistance R25
The other end of foot (port BEEP), the emitter capacity C18 of triode Q7 is connected, altogether end ground connection, and the 1 of RS_485 communication chip U5
Foot is connected with 17 feet of chip U4 in data processing module, chip in 2 feet and data processing module of RS_485 communication chip U5
20 feet of U4 are connected, and 3 feet of RS_485 communication chip U5 are connected with 15 feet of chip U4 in data processing module, RS_485 communication
4 feet of chip U5 are connected with 16 feet of chip U4 in data processing module, and 5 feet of RS_485 communication chip U5 connect capacitor respectively
One end of C19, one end of resistance R6, one end of protector T3, protector T5 one end, altogether end ground connection, RS_485 communication chip
One end of the 6 feet difference connecting resistance R9 of U5 and one end of resistance R15, in the other end and power supply automatic switchover circuit of resistance R9
3.3V power output end VCC3.3V is connected, and one end of the other end of resistance R15 difference connection protector T8 and protector T5's is another
End terminates 4 feet of sensor and power switch port P4 in integrated wiring terminal module, 7 feet of RS_485 communication chip U5 altogether
One end of the other end of connecting resistance R6 and resistance R18 respectively, the other end of the other end difference connection protector T8 of resistance R18 and guarantor
The other end of device T3 is protected, terminates 5 feet of sensor and power switch port P4 in integrated wiring terminal module, RS_485 communication altogether
8 feet of chip U5 are connected with the other end of capacitor C19, altogether end and the 3.3V power output end in power supply automatic switchover circuit
VCC3.3V is connected, and the 1 foot ground connection of communication port P7,2 feet meet one end of wire jumper J1, one end of wire jumper J2 and capacitor C20 respectively
One end, the other end of wire jumper J1 are connected with the 3.3V power output end VCC3.3V in power supply automatic switchover circuit, and wire jumper J2's is another
One end is connected with the 5V power supply power supply output end in lithium battery charging management circuit, the other end ground connection of capacitor C20, communication port
3 feet of P7 are connected with 29 feet of chip U4 in data processing module, chip U4 in 4 feet and data processing module of communication port P7
30 feet be connected, 5 feet of communication port P7 ground connection.
Described protector T8, T3, T5 are unidirectional patch TVS pipe；
The buzzer U10 is the general active buzzer of 5V sold in the market；
RS_485 communication chip U5 is is sold general-purpose chip in the market.
As shown in the circuit diagram of Figure 14 communication module, communication module includes the wireless telecommunications list based on ad hoc network function
Member, the wet data transmission unit of Cang Wencang and buzzer cue circuit, wireless communication unit are an independent radio communication circuits,
By USART interface (WL_RXD, WL_TXD pin) in the chip U4 in subordinate machine system U3_TXD and U3_RXD connect
(29,30 foot), wireless communication unit is mainly responsible for the foundation, connection and maintenance of wireless network, by being wirelessly transferred host number
According to data processing module is transmitted to, the data that data processing module receives are sent to goes to be received by host in the air, realizes the inspection of grain feelings
Survey the logical biography function of data of subordinate machine system and respective host；
The wet data transmission unit in storehouse temperature storehouse uses RS485 telecommunication circuit, by RS_485 communication chip U5, capacitor C19, resistance
R6, R8, R15, R18, protector T3, T5, T8 composition.Chip U4 supports 32 nodes, and resistance R6 and resistance R9 are respectively upper and lower
Pull-up resistor, resistance R15 and resistance R18 are respectively current-limiting resistance, and protector T3, T5, T8 are ESD protector, prevent communication bus
The electrostatic that upper conduction comes damages chip U5.
Buzzer cue circuit includes buzzer U10, resistance R25, NPN triode Q7 and capacitor C18.By data processing mould
The port BEEP (4 foot) of block controls triode Q7 on or off, and whether control buzzer works, wire jumper J1, J2 are carried out
3.3V power supply or 5V power supply are selected.
Supply voltage detection module includes external power supply voltage detecting circuit, booster circuit supply voltage detection circuit and liter
Volt circuit output voltage detecting circuit, external power supply voltage detecting circuit include resistance R30, R31, one end of resistance R30 and electricity
The one end for hindering R31 is connected, 21 feet of chip U4 in total terminating data processing module, another termination lithium battery charging of resistance R30
Manage the other end ground connection of power supply the out splice going splice SDC, resistance R31 of circuit；Booster circuit supply voltage detection circuit includes electricity
R7, R13 are hindered, one end of resistance R7 is connected with one end of resistance R13,22 feet of chip U4, electricity in total terminating data processing module
The test point VEE of the booster circuit supply voltage detection of another termination working sensor power circuit of R7 is hindered, resistance R13's is another
One end ground connection；Booster circuit output voltage detecting circuit includes resistance R4, R10, one end of resistance R4 and one end phase of resistance R10
Connect, 23 feet of chip U4 in total terminating data processing module, the VDD electricity of another termination working sensor power circuit of resistance R4
The other end of source output terminal mouth VDD, resistance R10 are grounded.
Supply voltage detection module as seen in figs. 15-17 includes external power supply voltage detecting circuit, booster circuit power supply
Voltage detecting circuit and booster circuit output voltage detecting circuit.
External power supply voltage detecting circuit is made of resistance R30, R31, and resistance R30 first end is for connecting lithium battery charging
The voltage input end for managing circuit, connects after then connecting with resistance R31 with ground, and resistance R30 and R31 connector intermediate contact is used
In the outer power voltage detection data input terminal AD0 (21 foot) of connection data processing module.
The detection of booster circuit supply voltage includes resistance R7, R13, and resistance R7 first end is used for the voltage input of booster circuit
End, connects after then connecting with resistance R13 with ground, and resistance R7 and R13 connector intermediate contact is for connecting data processing module
Booster circuit supply voltage detection data input terminal AD1 (22 foot).
The detection of booster circuit output voltage includes resistance R4, R10, and resistance R4 first end is defeated for connecting booster circuit voltage
Enter end, connect after then being connect with resistance R10 with ground, resistance R4 and R10 connector intermediate contact is for connecting data processing mould
The booster circuit output voltage detection data input terminal AD2 (23 foot) of block.
In conclusion compared with prior art, the utility model has the advantage that
The utility model has technical effect beneficial below:
1, load capacity is strong: extension set has 8 acquisition channels altogether, and each channel at most can access 120 temperature measuring points.Altogether may be used
To accommodate 960 temperature measuring points.1 extension set can be for using between 1,2,4 or 8 Ao；
2, strong antijamming capability: plug-in unit P4 is sensor and power switch Wiring port, and ESD protection device T6 therein is used
In protection internal circuit from the interference of electrostatic.Plug-in unit P5 is grain temperature channel sensor connectivity port, and TVS protective device T4 is used for
Subordinate machine system power supply is protected not interfered by extraneous such as thunder and lightning；
3, easy to operate: only to need for grain temperature cable to be articulated on main line, be acquired by main line grain temperature corresponding with extension set
Channel connection, host are communicated with extension set, are obtained extension set by wireless transmission and are collected the wet information of grain temperature information and storehouse temperature storehouse；
4, adaptable: it is system power supply that lithium battery is used in intensity of illumination deficiency, is only opening acquisition grain temperature
It the use of lithium battery is the power supply of grain temperature sensor when operation, other times close power supply, battery loss is reduced, when sunny,
The use of solar energy is lithium battery charging, and the use of solar energy is that whole system and working sensor are powered, makes full use of resource, subtract
Few energy waste；
5, communication distance is remote: using wireless communication technique by wireless communication unit based on ad hoc network function with it is corresponding
Measurement and control host computer establishes wireless telecommunications convenient for networking.It is more convenient without manually carrying out complicated path setting and maintenance；
6, extend lithium battery service life: using solar energy and the box-like power supply scheme of lithium battery group, environmental suitability
By force, intelligent power supply module uses intelligent electric power management mechanism, effectively reduces the charge and discharge number of lithium battery, extends making for lithium battery
With the service life, solar energy utilization ratio is improved, extending no light is that lithium battery uses the time.Energy utilization rate is high, long service life, function
It consumes low.
Claims (4)
1. a kind of intelligent power supply module for grain feelings detection extension set, which is characterized in that the intelligent power supply module includes circuit board
With lithium battery charging management circuit, power supply automatic switchover circuit and the working sensor power circuit of setting on circuit boards, institute
The lithium battery charging management circuit stated includes charging manager U3, and 1 foot of charging manager U3 connects solar battery port respectively
2 feet of P2,2 feet of 5V power port P9, one end of discharge tube T7, one end of discharge tube T1, the cathode for having electrode capacitance C1, charging
3 feet of manager U3, one end of resistance R12, the cathode and 3.7V lithium battery port that have electrode capacitance C6 2 feet, altogether end ground connection, fill
2 feet of electric manager U3 are connected with the other end of resistance R12, and 4 feet of electric manager U3 connect the cathode of diode D2, two poles respectively
The cathode of pipe D1 and the anode for having electrode capacitance C1, end is connected with power supply out splice going splice SDC altogether, the anode of diode D2 respectively with 5V
1 foot of power port P9, the other end of discharge tube T7 are connected, and as 5V power supply power supply output end, the anode of diode D1 is respectively
1 foot of solar battery port P2 and the other end of discharge tube T1 are connect, as solar cell for supplying power output end, charging manager
5 feet of U3 connect 1 foot of 8 feet of charging manager U3, the anode for having electrode capacitance C6 and 3.7V lithium battery port respectively, as 3.7V
Lithium battery power supply output end；
The power supply automatic switchover circuit includes three terminal regulator U2, PMOS tube U8A, U8B and triode Q1, Q8, three-terminal voltage-stabilizing
2 feet of device U2 are connected to the transmitting of the anode of electrode capacitance C2, the source electrode of PMOS tube U8B, the cathode of diode D5, triode Q1 respectively
The source electrode of pole, one end of resistance R35 and PMOS tube U8A, end is used as VCC output port of power source altogether, there is the cathode point of electrode capacitance C2
It is not connected to cathode, 1 foot of three terminal regulator U2, one end of resistance R37, the emitter of triode Q8, resistance R34 of electrode capacitance C7
One end, end ground connection altogether, the drain electrode of PMOS tube U8B is connected with the anode of diode D5, and the grid of PMOS tube U8B connects three poles respectively
The collector of pipe Q1 and the other end of resistance R37, the base stage of triode Q1 through resistance R38 connect respectively triode Q8 collector and
One end of resistance R36, the other end of the other end difference connecting resistance R35 of resistance R36 and the grid of PMOS tube U8A, PMOS tube U8A
Drain electrode connect the cathode of controllable accurate source of stable pressure Q2 and one end of resistance R42 respectively, altogether end with lithium battery charging management circuit in
4 feet of electric manager U3 are connected, and the anode of controllable accurate source of stable pressure Q2 distinguishes the other end of one end of connecting resistance R41, resistance R34
With one end of resistance R43, the reference of the other end and controllable accurate source of stable pressure Q2 of the other end difference connecting resistance R42 of resistance R43
Pole, the other end of resistance R41 and the base stage of triode Q8,3 feet of three terminal regulator U2 are connected with there is the anode of electrode capacitance C7, altogether
End is used as 3.3V power output end VCC3.3V；
The working sensor power circuit includes booster U7, PMOS tube U1A, U1B, and 1 foot of booster U7 connects two poles respectively
Pipe D3 anode and inductance L1 one end, the cathode of diode D3 respectively one end of connecting resistance R2, have electrode capacitance C15 anode,
One end of capacitor C21 and one end of fuse F1, the other end of resistance R2 connect respectively booster U7 3 feet and resistance R3 one
End, the other end of resistance R3 connect respectively the anode of zener diode T4, capacitor C21 the other end, have electrode capacitance C15 cathode,
The transmitting of one end, 2 feet, the cathode, one end and triode Q4 for having electrode capacitance C14 that have electrode capacitance C3 of booster U7 of resistance R1
Pole, end ground connection, the other end of fuse F1 are connected with the cathode of zener diode T4 altogether, and end is used as VDD output port of power source altogether,
The other end of inductance L1 connects 4 feet, 5 feet, the anode for having electrode capacitance C3, one end of capacitor C14 and the PMOS tube of booster U7 respectively
The drain electrode of U1A, holds the test point VEE detected as booster circuit supply voltage altogether, and the source electrode of PMOS tube U1A distinguishes connecting resistance R8
One end, the cathode of diode D7 and the source electrode of PMOS tube U1B, hold PMOS tube U8B in VFF and power supply automatic switchover circuit altogether
Drain electrode, diode D5 the total end of anode be connected, the other end of resistance R8 connects the grid and triode Q4 of PMOS tube U1A respectively
Collector, one end of the anode difference connecting resistance R29 of diode D7 and the grid of PMOS tube U1B, hold PWR_5V and lithium battery altogether
The anode of diode D2,1 foot of 5V power port P9, the total end of discharge tube T7 are connected in charge management circuit, triode Q4's
Base stage is connected with one end of resistance R5, and the other end of resistance R5 is equipped with connector VDDEN.
2. the intelligent power supply module according to claim 1 for grain feelings detection extension set, which is characterized in that the charging valve
6 feet of reason device U3 are connected with data processing module, and the data processing module includes chip U4,1 foot and capacitor of chip U4
One end of C13 is connected, and end is connected with the 3.3V power output end VCC3.3V of intelligent power supply module altogether, another termination of capacitor C13
Ground, one end of the 7 feet difference connecting resistance R14 of chip U4 and one end of capacitor C8, the other end ground connection of capacitor C8, resistance R14's
The other end is connected with the 3.3V power output end VCC3.3V of intelligent power supply module, 13 feet of chip U4 respectively with chip U4 19
Foot, 64 feet, 48 feet, 32 feet, one end of capacitor C9, one end of capacitor C10, one end of capacitor C11 and capacitor C12 one end phase
Even, end is connected with the 3.3V power output end VCC3.3V of intelligent power supply module altogether, and the other end of capacitor C9 meets capacitor C10 respectively
The other end, the other end of capacitor C11 and the other end of capacitor C12, end ground connection, 60 feet of chip U4 distinguish connecting resistance R20 altogether
One end and triode Q5 collector, the other end ground connection of resistance R20, the emitter difference connecting resistance R23 of triode Q5
1 foot of one end and port P1, end is connected with the 3.3V power output end VCC3.3V of intelligent power supply module altogether, and resistance R23's is another
End connects the base stage of triode Q5 and one end of resistance R22 respectively, and the other end of resistance R22 is connected with 5 feet of port P1, port P1
2 feet be connected with 42 feet of chip U4,3 feet of port P1 are connected with 43 feet of chip U4, port P1 4 ground connection, the 7 of port P1
Foot is connected with 49 feet of chip U4, and 8 feet of port P1 are connected with 46 feet of chip U4, and 5 feet of chip U4 connect crystal oscillator M2's respectively
The other end of one end of one end and capacitor C16, capacitor C16 is connected with one end of capacitor C17, altogether end ground connection, and capacitor C17's is another
End connects the other end of crystal oscillator M2 and 6 feet of chip U4 respectively；27 feet of chip U4 connect the base stage of triode Q9 through resistance R39, and three
The emitter of pole pipe Q9 is grounded, and collector is connected with sensor interface module, and 57 feet of chip U4 connect triode through resistance R40
The base stage of Q10, the emitter ground connection of triode Q9, collector are connected with sensor interface module；28 feet of chip U4 are through resistance
R17 ground connection, 31 feet, 47 feet, 63 feet, 18 feet, 12 foot earths；6 feet of charging manager U3 are connected with 2 feet of chip U4,
7 feet of charging manager U3 are connected with 3 feet of chip U4,14 feet of chip U4 and working sensor power supply in data processing module
Connector VDDEN in circuit be connected.
3. the intelligent power supply module according to claim 2 for grain feelings detection extension set, which is characterized in that the sensing
Device interface module includes 4 identical grain temperature channel data Acquisition Circuits, corresponding 2 grains of each grain temperature channel data Acquisition Circuit
Warm data acquisition channel comprising PMOS tube U6B, U5B, U9A, U9B, triode Q3, Q6, protector T2 and protection diode
D6, protector T2 and protection diode D6 have identical two, and the source electrode of PMOS tube U6B connects one end of capacitor C25, electricity respectively
Hold one end of C26, one end of resistance R26, the source electrode of PMOS tube U9B, one end of resistance R28, one end of resistance R16, PMOS tube
The source electrode of U9A, one end of resistance R24, one end of resistance R27, one end of resistance R11 and PMOS tube U6A source electrode, terminate institute altogether
The VDD output port of power source of working sensor power circuit is stated, the grid of PMOS tube U6B is connected with the other end of resistance R24, altogether
A corresponding CHPWR [8..1] port chip termination U4, the drain electrode of PMOS tube U6B connect collector, the electricity of triode Q3 respectively
Hinder the other end of R27, one end of resistance R19, one end of capacitor C23, one end of first protector T2 and first protection two
The cathode of pole pipe D6, end is used as output end CHx_OUT and an input terminal CHI corresponding with chip U4 in data processing module altogether
The port [8..1], which is connected, is used as input terminal, the other end of the grid connecting resistance R11 of PMOS tube U6A, altogether end and data processing module
The middle port [8..1] a corresponding CHH chip U4 is connected, the other end of the drain electrode connecting resistance R19 of PMOS tube U6A, triode Q3
Base stage connect a corresponding CHL [8..1] port chip U4 in data processing module, the emitter of triode Q3 through resistance R32
Emitter, the capacitor of the other end of capacitor C23, the other end of capacitor C25, the other end of capacitor C26, triode Q6 are connect respectively
One end of C24, one end of second protector T2, the other end of first protector T2, second protection diode D6 one
The other end at end and first protection diode D6, end ground connection, the other end of the grid connecting resistance R16 of PMOS tube U9A are held altogether altogether
A port [8..1] CHH corresponding with chip U4 in data processing module is connected, the drain electrode connecting resistance R21's of PMOS tube U9A
One end, the other end of resistance R21 connect the drain electrode of PMOS tube U9B, the other end of resistance R28, the other end of capacitor C24, respectively
The other end of two protector T2 and the other end of second protection diode D6, end is used as output end CHx_OUT and input altogether
It holds a port [8..1] CHI corresponding with chip U4 in data processing module to be connected and is used as input terminal, the grid of PMOS tube U9B
The other end of connecting resistance R26 holds the port [8..1] a CHPWR corresponding with chip U4 to be connected altogether, the base stage warp of triode Q6
Resistance R33 connects a corresponding CHL [8..1] port chip U4 in data processing module.
4. the intelligent power supply module according to claim 3 for grain feelings detection extension set, which is characterized in that the sensor
Interface module further includes integrated wiring terminal module, and integrated wiring terminal module includes sensor and power switch port P4,8
1 foot and the 3.7V lithium battery power supply in lithium battery charging management circuit of access port P5, sensor and power switch port P4
Output end is connected, and 2 feet are connected as probe power feeder ear with the drain electrode of PMOS tube U1B in working sensor power circuit；3
Foot is connected with 1 foot of one end of ESD protection device T6 and 8 access port P5 respectively, terminates the working sensor power supply electricity altogether
4 feet, 5 feet of the VDD output port of power source on road, sensor and power switch port P4 are connected with communication module respectively, sensor
Connect the other end of ESD protection device T6 and 2 feet of 8 access port P5 respectively with 6 feet of power switch port P4, altogether end ground connection, 8
Output end CHx_OUT's 3-10 foot of a access port P5 corresponding with 4 grain temperature channel data Acquisition Circuits is connected respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821223903.6U CN208461532U (en) | 2018-08-01 | 2018-08-01 | A kind of intelligent power supply module for grain feelings detection extension set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821223903.6U CN208461532U (en) | 2018-08-01 | 2018-08-01 | A kind of intelligent power supply module for grain feelings detection extension set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208461532U true CN208461532U (en) | 2019-02-01 |
Family
ID=65179163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821223903.6U Expired - Fee Related CN208461532U (en) | 2018-08-01 | 2018-08-01 | A kind of intelligent power supply module for grain feelings detection extension set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208461532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574333A (en) * | 2018-08-01 | 2018-09-25 | 郑州源创智控有限公司 | The intelligent power supply module of extension set is detected for grain feelings |
-
2018
- 2018-08-01 CN CN201821223903.6U patent/CN208461532U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574333A (en) * | 2018-08-01 | 2018-09-25 | 郑州源创智控有限公司 | The intelligent power supply module of extension set is detected for grain feelings |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108574333A (en) | The intelligent power supply module of extension set is detected for grain feelings | |
| CN105182862B (en) | A kind of network-enabled intelligent storage condition detection control system | |
| CN102590758B (en) | High-voltage battery pack test system | |
| CN102025170B (en) | Display calculation type storage battery instant electric quantity charge-discharge protection management system | |
| CN109066888A (en) | A kind of charging control circuit and electronic product with temperature protection | |
| CN105978485A (en) | Method and system for online detection of photovoltaic modules | |
| CN104777434A (en) | Backup power supply detecting system and detecting method thereof | |
| CN208461532U (en) | A kind of intelligent power supply module for grain feelings detection extension set | |
| CN208459825U (en) | A kind of sensor interface circuitry for grain feelings detection extension set | |
| CN108759930A (en) | The grain feelings of more power supplies and communication mode are supported to detect extension set | |
| CN205158608U (en) | Weather station observes and controls extension | |
| CN106695906A (en) | Control device of bluetooth nasal hair trimmer | |
| CN208398943U (en) | It is a kind of to support to power and the grain feelings of communication mode detection extension set more | |
| CN208477342U (en) | A kind of solar energy radio grain feelings detection extension set | |
| CN207264576U (en) | Bandwidth carrier collector | |
| CN108417005A (en) | A kind of kilowatt meter reading-out system based on wireless transmission | |
| CN207716617U (en) | A kind of remote air conditioner controller | |
| CN108776451A (en) | Solar energy radio grain feelings detect extension set | |
| CN217639331U (en) | Battery management system with double-circuit power supply and test system of battery management system | |
| CN108717284A (en) | The sensor interface circuitry of extension set is detected for grain feelings | |
| CN204855809U (en) | General type all -in -one of big dipper | |
| CN206775232U (en) | A kind of wireless charging device suitable for intelligent access control system | |
| CN206573152U (en) | The easy-to-use multichannel low-power consumption sensor information acquisition system based on earphone hole | |
| CN206649655U (en) | Portable Wifi turns polymorphic type communication interface arrangement | |
| CN206573634U (en) | A kind of electronic equipment malfunction monitoring terminal installation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210415 Address after: 450000 No.42, 3rd floor, unit 4, East Building 6, No.12 Fengyang street, high tech Zone, Zhengzhou City, Henan Province Patentee after: ZHENGZHOU YUANCHUANG INTELLIGENT CONTROL Co.,Ltd. Patentee after: Zhengzhou Banghai Intelligent Technology Co.,Ltd. Address before: Room 511, 5 / F, building 9, shengshijiaye, No. 316, Lianhua street, high tech Zone, Zhengzhou City, Henan Province Patentee before: ZHENGZHOU YUANCHUANG INTELLIGENT CONTROL Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190201 |