CN206975707U - Physical distribution monitoring system based on Internet of Things - Google Patents
Physical distribution monitoring system based on Internet of Things Download PDFInfo
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- CN206975707U CN206975707U CN201721381409.8U CN201721381409U CN206975707U CN 206975707 U CN206975707 U CN 206975707U CN 201721381409 U CN201721381409 U CN 201721381409U CN 206975707 U CN206975707 U CN 206975707U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 27
- 239000004065 semiconductor Substances 0.000 claims abstract description 29
- 238000012546 transfer Methods 0.000 claims abstract description 21
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- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 13
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
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Abstract
The utility model discloses a kind of physical distribution monitoring system based on Internet of Things, label, wireless data transfer module, RF tag scanner, GPS/ Big Dippeves locating module, handheld terminal and power module are read including several temperature sensors, several radio frequencies, the handheld terminal is provided with RFID tag reader, and the inside of the logistic car is provided with controlling alarm button；The power module includes pulse width modulating chip, controllable accurate source of stable pressure, transformer, the first triode, the first metal-oxide-semiconductor, dc source, the first diode, the second diode, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance and voltage output end.Implement the physical distribution monitoring system of the present utility model based on Internet of Things, have the advantages that：Positioning method is more flexibly, circuit structure is relatively simple, cost is relatively low, the safety and reliability of circuit is higher.
Description
Technical field
It the utility model is related to logistics monitoring field, more particularly to a kind of physical distribution monitoring system based on Internet of Things.
Background technology
At present, technology of Internet of things is more and more introduced in logistic industry, to improve the efficiency of logistics and management
Accuracy.But after technology of Internet of things is applied, the change brought to logistic industry is not only that can accomplish real-time essence
The position of true each article of grasp and related transit information, it is often more important that handling of goods and materials and transport to logistic industry
Pattern bring huge change basis.Traditional logistics monitoring system typically uses GPS location mode when being positioned,
Its positioning method is more single, it is impossible to meets the needs of different user.In addition, the circuit part in traditional physical distribution monitoring system
Complicated, hardware cost is higher, and due to lacking corresponding circuit protection function, causes the safety and reliability of circuit not
It is high.
Utility model content
The technical problems to be solved in the utility model is, for the drawbacks described above of prior art, there is provided a kind of positioning side
Formula is more flexibly, circuit structure is relatively simple, cost is relatively low, the higher thing based on Internet of Things of the safety and reliability of circuit
Flow monitoring system.
Technical scheme is used by the utility model solves its technical problem：Construct a kind of logistics prison based on Internet of Things
Control system, including several temperature sensors, several radio frequencies read label, wireless data transfer module, RF tag scanning
Rifle, GPS/ Big Dippeves locating module, handheld terminal and power module, each temperature sensor are respectively arranged at each box for material circulation
On, the temperature sensor is connected with the wireless data transfer module, and the radio frequency reads label and is respectively arranged at each thing
The outside of case is flowed, the RF tag scanner reads label with the radio frequency by RF-wise and communicated, the radio frequency
Tag scan rifle, wireless data transfer module and GPS/ Big Dipper locating modules be may be contained within logistic car, and the RF tag is swept
Retouch rifle and GPS/ Big Dippeves locating module is connected with the wireless data transfer module, the handheld terminal and the wireless data
Transport module connects, and the handheld terminal is provided with RFID tag reader, and the power module scans with the RF tag
Rifle connects, for powering, and the inside of the logistic car is provided with controlling alarm button, the controlling alarm button and the no line number
Connected according to transport module；
The power module includes pulse width modulating chip, controllable accurate source of stable pressure, transformer, the first triode, the first MOS
Pipe, dc source, the first diode, the second diode, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electricity
Appearance, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance and voltage output end, the one of the first resistor
End, the reference of one end of second resistance and controllable accurate source of stable pressure are extremely connected with the dc source, the second resistance
The anode of the other end and controllable accurate source of stable pressure is grounded, the base stage of first triode respectively with the controllable accurate voltage stabilizing
The negative electrode in source connects with one end of 3rd resistor, and the emitter stage of the other end of the 3rd resistor and first triode connects
Connect, the other end of the first resistor is connected with the colelctor electrode of first triode, the emitter stage point of first triode
It is not connected with the anode of second diode and the 8th pin of pulse width modulating chip, the negative electrode difference of second diode
It is connected with one end of the 3rd electric capacity and the 4th pin of pulse width modulating chip, the other end and pulsewidth of the 3rd electric capacity are adjusted
5th pin of coremaking piece is grounded, and the first pin of the pulse width modulating chip passes through second electric capacity and its second pin
Connection；
One end of 4th resistance and one end of the primary coil of transformer are connected with the dc source, and described
The other end of four resistance is connected with the 7th pin of the pulse width modulating chip and one end of the first electric capacity respectively, first electricity
The other end ground connection of appearance, the other end of the primary coil of the transformer are connected with the drain electrode of first metal-oxide-semiconductor, and described first
The grid of metal-oxide-semiconductor is connected with the 6th pin of the pulse width modulating chip, the source electrode of first metal-oxide-semiconductor and the 5th resistance
One end connection, the other end ground connection of the 5th resistance, the 3rd pin of the pulse width modulating chip is respectively with the described 4th
One end of electric capacity connects with the colelctor electrode of the first triode, the other end ground connection of the 4th electric capacity, the secondary of the transformer
One end of coil is connected with the anode of first diode, the negative electrode of first diode respectively with the 5th electric capacity
One end is connected with voltage output end, and the other end of the secondary coil of the transformer is connected with the other end of the 5th electric capacity.
In the physical distribution monitoring system described in the utility model based on Internet of Things, the power module also includes the 6th electricity
Hold, one end of the 6th electric capacity is connected with the 6th pin of the pulse width modulating chip, the other end of the 6th electric capacity and
The grid connection of first metal-oxide-semiconductor, the capacitance of the 6th electric capacity is 200PF.
In the physical distribution monitoring system described in the utility model based on Internet of Things, the power module also includes the 6th electricity
Resistance, one end of the 6th resistance is connected with the emitter stage of first triode, the other end of the 6th resistance with it is described
The 8th pin connection of pulse width modulating chip, the resistance of the 6th resistance is 4.7K Ω.
In the physical distribution monitoring system described in the utility model based on Internet of Things, the power module also includes the 7th electricity
Resistance, one end of the 7th resistance are connected with the other end of the primary coil of the transformer, the other end of the 7th resistance
Drain electrode with first metal-oxide-semiconductor is connected, and the resistance of the 7th resistance is 1K Ω.
In the physical distribution monitoring system described in the utility model based on Internet of Things, the model of first diode
1N5408, the model CLD20B-TP of second diode.
In the physical distribution monitoring system described in the utility model based on Internet of Things, first triode is positive-negative-positive three
Pole pipe, first metal-oxide-semiconductor are N-channel MOS pipe.
In the physical distribution monitoring system described in the utility model based on Internet of Things, the wireless data transfer module is indigo plant
Tooth module, WIFI module, gsm module, GPRS module, CDMA module, WCDMA modules, Zigbee module or LoRa modules.
Implement the physical distribution monitoring system of the present utility model based on Internet of Things, have the advantages that：If due to provided with
Dry temperature sensor, several radio frequencies, which read label, wireless data transfer module, RF tag scanner, the GPS/ Big Dippeves, to be determined
Position module, handheld terminal and power module, can be in a manner of flexible selection uses GPS location still by GPS/ Big Dippeves locating module
Big Dipper positioning method, power module include pulse width modulating chip, controllable accurate source of stable pressure, transformer, the first triode, first
Metal-oxide-semiconductor, dc source, the first diode, the second diode, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th
Electric capacity, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance and voltage output end, the power module are relative
Power circuit in conventional art, the component that it is used is less, can so reduce hardware cost, in addition, the one or two pole
Manage and be used for rectification, the second diode is used to carry out current limliting to the branch road between the 4th pin of pulse width modulating chip and the 8th pin
Protection, therefore positioning method is more flexible, circuit structure is relatively simple, cost is relatively low, the safety and reliability of circuit is higher.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation in the physical distribution monitoring system one embodiment of the utility model based on Internet of Things；
Fig. 2 is the circuit theory diagrams of power module in the embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
, should the logistics monitoring system based on Internet of Things in physical distribution monitoring system embodiment of the utility model based on Internet of Things
The structural representation of system is as shown in Figure 1.In Fig. 1, being somebody's turn to do the physical distribution monitoring system based on Internet of Things includes several temperature sensors
1st, several radio frequencies read label 2, wireless data transfer module 3, RF tag scanner 4, GPS/ Big Dippeves locating module 5, hand
Hold terminal 6 and power module 7, each temperature sensor 1 is respectively arranged on each box for material circulation, temperature sensor 1 with without line number
Connected according to transport module 3, radio frequency reads the outside that label 2 is respectively arranged at each box for material circulation, and RF tag scanner 4 is by penetrating
Frequency mode reads label 2 with radio frequency and communicated, RF tag scanner 4, wireless data transfer module 3 and the positioning of the GPS/ Big Dippeves
Module 5 may be contained within logistic car, RF tag scanner 4 and GPS/ Big Dippeves locating module 5 with wireless data transfer module 3
Connection, handheld terminal 6 are connected with wireless data transfer module 3.
Temperature sensor 1 is monitored to the article environment of logistics transportation, and the temperature value of detection is passed by wireless data
Defeated module 3 is sent to handheld terminal 6 and shown, therefore facilitates temperature shape of the patrol officer by handheld terminal acquisition box for material circulation
State.RF tag scanner 4 gathers all items and the relevant information of logistic car, and it is passed through into wireless data transfer module 3
It is sent to handheld terminal 6 to be shown, is so easy to the management to global data.GPS/ Big Dippeves locating module 5 can be by logistics
The location information of car is sent to handheld terminal 6 by wireless data transfer module 3 and shown, thus can be to the position of logistic car
Put and monitored in real time.
In the present embodiment, by setting GPS/ Big Dippeves locating module 5, in actual applications, it just can flexibly select to use GPS
Positioning method or Big Dipper positioning method, therefore positioning method is more flexible, can also be according to specific needs in two kinds of positioning methods
Between switch over, that is, in application process, can switch between GPS location mode and Big Dipper positioning method.
Handheld terminal 6 is provided with RFID tag reader (not shown), can be read by RFID tag reader
Radio frequency reads the information of label 2, and patrol officer only needs to carry handheld terminal 6, it is possible to passes through the radio frequency mark on handheld terminal 6
Sign reader and read the information that radio frequency reads label 2, the bringing great convenience property of work to patrol officer.
In the present embodiment, the inside of logistic car is provided with controlling alarm button 8, controlling alarm button 8 and wireless data transmission
Module 3 is connected, and warning function can be turned on and off by controlling alarm button 8, when an exception occurs, can press alarm control
Button 8 processed, warning message are sent to handheld terminal 6 by wireless data transfer module 3, and patrol officer sees that warning message can
To take appropriate measures in time.
It is noted that in the present embodiment, wireless data transfer module 3 can be bluetooth module, WIFI module, GSM
Module, GPRS module, CDMA module, WCDMA modules, Zigbee module or LoRa modules etc..By setting various wireless communication
Mode, can meet the needs of different user, and user can flexibly select corresponding communication in use.Especially
When selecting LoRa modules, farther out, and communication performance is relatively stable for its communication distance, suitable for the field higher to QoS requirement
Close.
In the present embodiment, power module 7 is connected with RF tag scanner 4, for powering, and Fig. 2 is electricity in the present embodiment
The circuit theory diagrams of source module.In Fig. 2, the power module 7 includes pulse width modulating chip U2, controllable accurate source of stable pressure U1, transformation
Device T, the first triode Q1, the first metal-oxide-semiconductor M1, dc source VCC, the first diode D1, the second diode D2, the first electric capacity
C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, first resistor R1, second resistance R2,3rd resistor
R3, the 4th resistance R4, the 5th resistance R5 and voltage output end VO, wherein, first resistor R1 one end, second resistance R2 one end
Reference with controllable accurate source of stable pressure U1 is extremely connected with dc source VCC, and the second resistance R2 other end and controllable accurate is steady
Potential source U1 anode is grounded.
First triode Q1 base stage is connected with controllable accurate source of stable pressure U1 negative electrode and 3rd resistor R3 one end respectively,
The 3rd resistor R3 other end is connected with the first triode Q1 emitter stage, the first resistor R1 other end and the first triode Q1
Colelctor electrode connection, the first triode Q1 emitter stage respectively with the second diode D2 anode and pulse width modulating chip U2 the
Eight pins connect, the second diode D2 negative electrode respectively with the 3rd electric capacity C3 one end and pulse width modulating chip U2 the 4th pin
Connection, the 3rd electric capacity C3 other end and pulse width modulating chip U2 the 5th pin are grounded, and the first of pulse width modulating chip U2
Pin is connected by the second electric capacity C2 with its second pin.
4th resistance R4 one end and one end of transformer T primary coil are connected with dc source VCC, the 4th resistance
The R4 other end is connected with pulse width modulating chip U2 the 7th pin and the first electric capacity C1 one end respectively, and the first electric capacity C1's is another
One end is grounded, and the other end of transformer T primary coil is connected with the first metal-oxide-semiconductor M1 drain electrode, the first metal-oxide-semiconductor M1 grid and
Pulse width modulating chip U2 the 6th pin connection, the first metal-oxide-semiconductor M1 source electrode are connected with the 5th resistance R5 one end, the 5th resistance
R5 other end ground connection, pulse width modulating chip U2 the 3rd pin respectively with the 4th electric capacity C4 one end and the first triode Q1
Colelctor electrode connects, the 4th electric capacity C4 other end ground connection, one end of transformer T secondary coil and the first diode D1 anode
Connection, the first diode D1 negative electrode are connected with the 5th electric capacity C5 one end and voltage output end VO respectively, transformer T secondary
The other end of coil is connected with the 5th electric capacity C5 other end.
Power module 7 in the utility model is relative to traditional power circuit, and the component that it is used is less, circuit knot
Structure is relatively simple, can so reduce hardware cost.In addition, the first diode D1 is used for the defeated of transformer T secondary coil
Go out voltage and carry out rectification；Second diode D2 is Current Limiting Diodes, for pulse width modulating chip U2 the 4th pin and the 8th
Branch road between pin carries out current-limiting protection, therefore the safety and reliability of circuit is higher.It is noted that the present embodiment
In, the first diode D1 model 1N5408, the second diode D2 model CLD20B-TP, certainly, in practical application
In, the first diode D1 and the second diode D2 can select other models to have the diodes of similar functions.
In the present embodiment, first resistor R1, second resistance R2,3rd resistor R3, controllable accurate source of stable pressure U1 and the one or three
Pole pipe Q1 forms protection circuit against input over-voltage, when input voltage exceedes setting value, the first triode Q1 conductings, makes pulsewidth modulation
The voltage of chip U2 the 3rd pin is blocked more than 1V, output driving pulse, and the voltage for bearing the first metal-oxide-semiconductor M1 is only defeated
Enter voltage, the first metal-oxide-semiconductor M1 is protected, and flows through the Current Voltage that the first metal-oxide-semiconductor M1 electric current is established on the 5th resistance R5
Pulse width modulating chip U2 the 3rd pin is input to, the first metal-oxide-semiconductor M1 peak point current can be limited, so as to realize output
Excessively stream or short-circuit protection.
Controllable accurate source of stable pressure U1 and the first triode Q1 composition a reference sources and error amplifier, when input voltage gradually increases
Add when second resistance R2 voltage is more than 2.5V, controllable accurate source of stable pressure U1 and the first triode Q1 conductings, pulsewidth modulation core
Voltage on piece U2 the 3rd pin will be greater than 1V, its internal electric circuit inspection comparator output high level, output driving pulse
It is blocked, when input voltage is in normal operating voltage range, the voltage on second resistance R2 is less than 2.5V, controllable accurate
Source of stable pressure U1 and the first triode Q1 are not turned on, and pulse width modulating chip U2 is at normal operating conditions.
It is noted that in the present embodiment, the first triode Q1 is PNP type triode, and the first metal-oxide-semiconductor M1 is N-channel
Metal-oxide-semiconductor.Certainly, in actual applications, the first triode Q1 can also be NPN type triode, and the first metal-oxide-semiconductor M1 can also be P
Channel MOS tube, but at this moment the structure of circuit also will accordingly change.
In the present embodiment, controllable accurate source of stable pressure U1 model TL431, pulse width modulating chip U2 model
UC3842, certainly, in actual applications, controllable accurate source of stable pressure U1 can also have the core of similar functions using other models
Piece, pulse width modulating chip U2 can also have the chip of similar functions using other models.
In the present embodiment, the power module 7 also includes the 6th electric capacity C6, the 6th electric capacity C6 one end and pulse width modulating chip
U2 the 6th pin connection, the 6th electric capacity C6 other end are connected with the first metal-oxide-semiconductor M1 grid.6th electric capacity C6 is coupling electricity
Hold, for preventing the interference between the first metal-oxide-semiconductor M1 and pulse width modulating chip U2, to further enhance the security of circuit and can
By property.It is noted that in the present embodiment, the 6th electric capacity C6 capacitance is 200PF, certainly, in actual applications, the 6th
Electric capacity C6 capacitance can also adjust accordingly as the case may be.
In the present embodiment, the power module 7 also includes the 6th resistance R6, the 6th resistance R6 one end and the first triode Q1
Emitter stage connection, the 6th resistance R6 other end is connected with pulse width modulating chip U2 the 8th pin.6th resistance R6 is limited
Leakage resistance, for carrying out current-limiting protection to the branch road between the first triode Q1 and pulse width modulating chip U2, further to increase
The safety and reliability on forceful electric power road.It is noted that in the present embodiment, the 6th resistance R6 resistance is 4.7K Ω, certainly,
In actual applications, the 6th resistance R6 resistance can adjust accordingly as the case may be.
In the present embodiment, the power module 7 also includes the 7th resistance R7, the 7th resistance R7 one end and transformer T just
The other end connection of level coil, the 7th resistance R7 other end are connected with the first metal-oxide-semiconductor M1 drain electrode.7th resistance R7 is current limliting
Resistance, for carrying out current-limiting protection to the first metal-oxide-semiconductor M1 drain current, further to strengthen the security of circuit and reliable
Property.It is noted that in the present embodiment, the 7th resistance R7 resistance is 1K Ω, certainly, in actual applications, the 7th resistance
R7 resistance can adjust accordingly as the case may be.
In a word, by setting GPS/ Big Dippeves locating module 5, user can be by flexible selection using in a manner of GPS location or the Big Dipper
Positioning method, and can be switched between two kinds of positioning methods, therefore positioning method is more flexible.In addition, the utility model
In power module 7 relative to traditional power circuit, the component that it is used is less, and circuit structure is relatively simple, so may be used
To reduce hardware cost.Commutation diode and Current Limiting Diodes, therefore the safety and reliability of circuit are provided with power module 7
It is higher.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (7)
1. a kind of physical distribution monitoring system based on Internet of Things, it is characterised in that including several temperature sensors, several radio frequencies
Label, wireless data transfer module, RF tag scanner, GPS/ Big Dippeves locating module, handheld terminal and power module are read,
Each temperature sensor is respectively arranged on each box for material circulation, the temperature sensor and the wireless data transfer module
Connection, the radio frequency read the outside that label is respectively arranged at each box for material circulation, and the RF tag scanner passes through radio frequency side
Formula reads label with the radio frequency and communicated, and the RF tag scanner, wireless data transfer module and the GPS/ Big Dippeves are determined
Position module may be contained within logistic car, and RF tag scanner and the GPS/ Big Dippeves locating module passes with the wireless data
Defeated module connection, the handheld terminal are connected with the wireless data transfer module, and the handheld terminal is provided with RF tag
Reader, the power module are connected, for powering with the RF tag scanner, and the inside of the logistic car is provided with alarm
Control button, the controlling alarm button are connected with the wireless data transfer module；
The power module include pulse width modulating chip, controllable accurate source of stable pressure, transformer, the first triode, the first metal-oxide-semiconductor,
Dc source, the first diode, the second diode, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity,
First resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance and voltage output end, one end of the first resistor,
One end of second resistance and the reference of controllable accurate source of stable pressure are extremely connected with the dc source, the second resistance it is another
End and the anode of controllable accurate source of stable pressure are grounded, the base stage of first triode respectively with the controllable accurate source of stable pressure
Negative electrode is connected with one end of 3rd resistor, and the other end of the 3rd resistor is connected with the emitter stage of first triode, institute
The other end for stating first resistor is connected with the colelctor electrode of first triode, the emitter stage of first triode respectively with institute
The anode of the second diode is stated to connect with the 8th pin of pulse width modulating chip, the negative electrode of second diode respectively with it is described
One end of 3rd electric capacity connects with the 4th pin of pulse width modulating chip, the other end and pulse width modulating chip of the 3rd electric capacity
The 5th pin be grounded, the first pin of the pulse width modulating chip is connected by second electric capacity with its second pin；
One end of 4th resistance and one end of the primary coil of transformer are connected with the dc source, the 4th electricity
The other end of resistance is connected with the 7th pin of the pulse width modulating chip and one end of the first electric capacity respectively, first electric capacity
The other end is grounded, and the other end of the primary coil of the transformer is connected with the drain electrode of first metal-oxide-semiconductor, the first MOS
The grid of pipe is connected with the 6th pin of the pulse width modulating chip, the source electrode of first metal-oxide-semiconductor and the 5th resistance
One end connects, the other end ground connection of the 5th resistance, and the 3rd pin of the pulse width modulating chip is electric with the described 4th respectively
One end of appearance connects with the colelctor electrode of the first triode, the other end ground connection of the 4th electric capacity, the secondary wire of the transformer
One end of circle is connected with the anode of first diode, the negative electrode of first diode respectively with the 5th electric capacity one
End is connected with voltage output end, and the other end of the secondary coil of the transformer is connected with the other end of the 5th electric capacity.
2. the physical distribution monitoring system according to claim 1 based on Internet of Things, it is characterised in that the power module also wraps
The 6th electric capacity is included, one end of the 6th electric capacity is connected with the 6th pin of the pulse width modulating chip, the 6th electric capacity
The other end is connected with the grid of first metal-oxide-semiconductor, and the capacitance of the 6th electric capacity is 200PF.
3. the physical distribution monitoring system according to claim 2 based on Internet of Things, it is characterised in that the power module also wraps
Include the 6th resistance, one end of the 6th resistance is connected with the emitter stage of first triode, the 6th resistance it is another
End is connected with the 8th pin of the pulse width modulating chip, and the resistance of the 6th resistance is 4.7K Ω.
4. the physical distribution monitoring system according to claim 3 based on Internet of Things, it is characterised in that the power module also wraps
The 7th resistance is included, one end of the 7th resistance is connected with the other end of the primary coil of the transformer, the 7th resistance
The other end be connected with the drain electrode of first metal-oxide-semiconductor, the resistance of the 7th resistance is 1K Ω.
5. the physical distribution monitoring system based on Internet of Things according to Claims 1-4 any one, it is characterised in that described
The model 1N5408, the model CLD20B-TP of second diode of first diode.
6. the physical distribution monitoring system based on Internet of Things according to Claims 1-4 any one, it is characterised in that described
First triode is PNP type triode, and first metal-oxide-semiconductor is N-channel MOS pipe.
7. the physical distribution monitoring system based on Internet of Things according to Claims 1-4 any one, it is characterised in that described
Wireless data transfer module be bluetooth module, WIFI module, gsm module, GPRS module, CDMA module, WCDMA modules,
Zigbee module or LoRa modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721381409.8U CN206975707U (en) | 2017-10-23 | 2017-10-23 | Physical distribution monitoring system based on Internet of Things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721381409.8U CN206975707U (en) | 2017-10-23 | 2017-10-23 | Physical distribution monitoring system based on Internet of Things |
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| Publication Number | Publication Date |
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| CN206975707U true CN206975707U (en) | 2018-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721381409.8U Expired - Fee Related CN206975707U (en) | 2017-10-23 | 2017-10-23 | Physical distribution monitoring system based on Internet of Things |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111624917A (en) * | 2020-06-05 | 2020-09-04 | 内蒙古中孚明丰农业科技有限公司 | Vehicle-mounted transportation data analysis control system |
-
2017
- 2017-10-23 CN CN201721381409.8U patent/CN206975707U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111624917A (en) * | 2020-06-05 | 2020-09-04 | 内蒙古中孚明丰农业科技有限公司 | Vehicle-mounted transportation data analysis control system |
| CN111624917B (en) * | 2020-06-05 | 2021-08-17 | 内蒙古中孚明丰农业科技有限公司 | Vehicle-mounted transportation data analysis control system |
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Granted publication date: 20180206 |