CN207649675U - A kind of logistic information real time acquisition device for freight refrigeration compartment - Google Patents
A kind of logistic information real time acquisition device for freight refrigeration compartment Download PDFInfo
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- CN207649675U CN207649675U CN201721827375.0U CN201721827375U CN207649675U CN 207649675 U CN207649675 U CN 207649675U CN 201721827375 U CN201721827375 U CN 201721827375U CN 207649675 U CN207649675 U CN 207649675U
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Abstract
A kind of logistic information real time acquisition device for freight refrigeration compartment, composition include：Real time information sampling device, it is characterized in that：The real time information sampling device (1) includes power module (2), DSP28335 minimal application systems module (3), GPS information acquisition circuit module NEO 6M (4), humiture parameter acquiring circuit module DHT22 (5), GPRS data transmission circuit module SIM900A (6) and RS232 serial communication circuits module (7)；The power module includes positive 5V power supply circuits (2 1), 3.3V power supply circuits (2 2) and 1.9V core voltages power supply circuit (2 3) again；The DSP28335 minimal application systems module includes 30MHZ external crystal oscillation circuits (3 1), electrification reset circuit (3 2), BOOT selection circuits (3 3), JTAG/scan circuit (3 4) and RAM expanded circuits (3 5) again.The present utility model application is applied to the logistic information real time acquisition device for freight refrigeration compartment.
Description
Technical field：
The utility model is related to a kind of logistics cold chain transportation fields and a kind of real time information sampling device, more particularly to one kind
The circuit design of logistic information real time acquisition device for freight refrigeration compartment.
Background technology：
Currently, China will depend on people compared with west advanced country in cold chain development during the backward stage, cold chain
Work carries out micro-judgment to travel position, and existence monitoring is not perfect, it is of high cost not have real-time, cold chain transportation, is lost
Equal drawback greatly.As domestic goods trade sharply increases cold chain transportation demand, the monitoring technology of cold chain transportation and management
Urgently develop.Therefore, it is necessary to develop a set of more scientific perfect system, cold chain transportation process is monitored in real time, is reduced
Loss during Commodity Transportation also provides condition for timely processing emergency case simultaneously.The utility model is based on powerful number
Word signal processor DSP28335 devise it is a kind of to haulage vehicle GPS information in Cold Chain Logistics and freezer humiture information simultaneously
The on-vehicle information real-time acquisition device returned by GPRS network realizes the real-time acquisition of essential information in Cold Chain Logistics.
Invention content：
The purpose of this utility model is to provide a kind of letter for the logistic information real time acquisition device for freight refrigeration compartment
Cease the design and making of real-time acquisition system hardware circuit.
Above-mentioned purpose is realized by following technical scheme：
A kind of logistic information real time acquisition device for freight refrigeration compartment, composition include：Real time information sampling fills
It sets, it is characterized in that：The real time information sampling device includes power module, DSP28335 minimal application systems module, GPS letters
Breath obtains circuit module NEO-6M, humiture parameter acquiring circuit module DHT22, GPRS data transmission circuit module SIM900A
And RS232 serial communication circuit modules；The power module again include positive 5V power supply circuits, 3.3V power supply circuits and
1.9V core voltage power supply circuits；The DSP28335 minimal application systems module again include 30MHZ external crystal oscillation circuits, on
Reset circuit, BOOT selection circuits, RAM expanded circuits and JTAG/scan circuit.
The power module provides stable operating voltage for real time information sampling device so that other circuit module energy
Enough normal works；The DSP28335 minimal application system modules are used for realizing the acquisition of freight compartment master data, processing
With transmission；The GPS information obtains circuit module and realizes adopting in real time for the data such as vehicle geographical location information, speed course
Collection；The humiture parameter acquiring circuit module realizes the real-time acquisition to freezer data of the Temperature and Humidity module；The GPRS data
Transmission circuit module is used for realizing the teletransmission of freight compartment master data；The RS232 serial communication circuit modules are made
Expansion interface to be communicated with host computer uses.
The power module is connected with other function modules of real time information sampling device respectively；Described
DSP28335 minimal application systems module obtains circuit module NEO-6M, GPRS number with GPS information respectively by serial communication port
It is connected according to transmission circuit module SIM900A and RS232 serial communication circuit module, further through GPIO30 conventional datas I/O
Mouth is connected with humiture parameter acquiring circuit module DHT22.
The logistic information real time acquisition device for freight refrigeration compartment, the connection is used as by conducting wire
Connect medium.
The beneficial effects of the utility model：
It is based on TI companies 1. the utility model is used for the logistic information real time acquisition device in freight refrigeration compartment
The design of DSP28335 digital processing units, it can realize the Digital Signal Processing of high speed, realize the high frequency of information in Cold Chain Logistics
Rate acquires.
2. the utility model is used for the logistic information real time acquisition device in freight refrigeration compartment, the GPS information of vehicle is adopted
Collection module NEO-6M uses the pattern that american global positioning system adds domestic BEI-DOU position system dual system track and localization, can
That there is a situation where work is offline for module when reducing the tracking of vehicle geographical location information.
3. the utility model is used for the logistic information real time acquisition device in freight refrigeration compartment, use high-precision warm and humid
Sensor DHT22 is spent, can realize the collecting humiture parameters of decimal place, is precisely controlled for subsequent humiture and provides item
Part.
4. the utility model is used for the logistic information real time acquisition device in freight refrigeration compartment, domestic GPRS moulds have been used
Block SIM900A can be compatible with the repertoire of GSM, may be implemented based on GPRS data transmission, the data supplemented by gsm communication pass
Pattern is sent, ensures that data can correctly pass control centre back.
Description of the drawings：
Attached drawing 1 is the composition schematic diagram of the utility model real time information sampling device.
Attached drawing 2 is the 5V power supply circuit schematic diagrams of the utility model real time information sampling device.
Attached drawing 3 is the 3.3V power supply circuit schematic diagrams of the utility model real time information sampling device.
Attached drawing 4 is the 1.9V power supply circuit schematic diagrams of the utility model real time information sampling device.
Attached drawing 5 is the utility model real time information sampling device main control chip DSP28335 schematic diagrams.
Attached drawing 6 is the clock circuit schematic diagram of the utility model real time information sampling device main control chip.
Attached drawing 7 is the reset circuit schematic diagram of the utility model real time information sampling device main control chip.
Attached drawing 8 is the BOOT circuit diagrams of the utility model real time information sampling device main control chip.
Attached drawing 9 is the jtag circuit schematic diagram of the utility model real time information sampling device main control chip.
Attached drawing 10 is the RAM circuit schematic diagram of the utility model real time information sampling device main control chip.
Attached drawing 11 is the utility model real time information sampling device GPS and the interface circuit schematic diagram of GPRS module.
Attached drawing 12 is the circuit diagram of the utility model real time information sampling device temperature and humidity acquisition module.
Attached drawing 13 is the circuit diagram of the utility model real time information sampling device RS232 communication interfaces.
In Fig. 1：1-real time information sampling device；2-power circuit blocks；2-1-5V power supply circuits；2-2-3.3V is supplied
Circuit；2-3-1.9V power supply circuits；3-DSP minimal application systems；3-1-DSP clock circuits；3-2-DSP resets electricity
Road；3-3-BOOT selection circuits；3-4-jtag circuit；3-5-RAM expanded circuits；4-GPS modules；5-GPRS modules；
6-temperature and humidity acquisition modules；7-RS232 serial communication circuit modules；
Specific implementation mode：
Embodiment 1：
A kind of logistic information real time acquisition device in freight refrigeration compartment, composition include：Real time information sampling device,
It is characterized in：The real time information sampling device includes that power module, DSP28335 minimal application systems module, GPS information obtain
Sense circuit module NEO-6M, humiture parameter acquiring circuit module DHT22, GPRS data transmission circuit module SIM900A and
RS232 serial communication circuit modules；The power module includes in positive 5V power supply circuits, 3.3V power supply circuits and 1.9V again
Core voltage power supply circuit；The DSP28335 minimal application systems module includes 30MHZ external crystal oscillation circuits, electrification reset again
Circuit, BOOT selection circuits, RAM expanded circuits and JTAG/scan circuit.The power module is adopted with information in real time respectively
Other function modules of acquisition means are connected, and are other module for power supply；The DSP28335 minimal application system modules pass through
Serial communication port obtained respectively with GPS information circuit module NEO-6M, GPRS data transmission circuit module SIM900A and
RS232 serial communication circuit modules are connected, further through I/O mouthfuls of GPIO30 conventional datas and humiture parameter acquiring circuit module
DHT22 is connected, and obtains the master datas such as geographical location information data, data of the Temperature and Humidity module respectively.
Embodiment 2：
According to the logistic information real time acquisition device described in embodiment 1 for freight refrigeration compartment, the connection is
It is used as connection medium by conducting wire.
Embodiment 3：
According to the logistic information real time acquisition device described in embodiment 1 for for freight refrigeration compartment, wherein passing through
I/O mouthfuls of GPIO30 conventional datas are connected with humiture parameter acquiring circuit module DHT22, and can be real-time by capture program control
From Temperature Humidity Sensor DHT22 obtain freezer data of the Temperature and Humidity module deposit set format data group it is medium to be sent, hair
It is sent in DSP28335 minimum systematic modules and carries out further data processing.
Embodiment 4：
It is different by SCI according to the logistic information real time acquisition device described in embodiment 1 for for freight refrigeration compartment
Step serial communication interface is connected with GPS module, and can obtain vehicle in real time from GPS module NEO-6M through signal procedure control
Geographical location information data, and be deposited into simultaneously in the data group for set format and wait for sending, be sent to DSP28335
Further data processing is carried out in minimum systematic module.
Embodiment 5：
According to the logistic information real time acquisition device described in embodiment 1 for for freight refrigeration compartment, pass through
The SPI synchronous serial communications interface or another group of SCI asynchronous serial communication interface and GPRS module set in DSP28335
SIM900A is connected, etc. data send instruction, embodiment 3 and embodiment 4 have been read and have been written to once instruction issuing
It sets after the data in the data group of format carry out further data processing in DSP28335 minimum systematic modules, passes through
GPRS network is sent to host computer.
Embodiment 6：
The logistic information real time acquisition device for being used for freight refrigeration compartment according to embodiment 3 to embodiment 5,
Real time information sampling device adopts the data for repeating embodiment 3 to embodiment 5 in strict accordance with the good frequency acquisition of program setting
Collection, processing and the process sent, and waiting for the abnormal conditions processing interrupt routine or reset that mission control center sends
Restarting information real-time acquisition device.
Claims (4)
1. a kind of logistic information real time acquisition device for freight refrigeration compartment, composition include：Real time information sampling device,
It is characterized in that：The real time information sampling device includes power module, DSP28335 minimal application systems module, GPS information
Obtain circuit module NEO-6M, humiture parameter acquiring circuit module DHT22, GPRS data transmission circuit module SIM900A with
And RS232 serial communication circuit modules；The power module includes positive 5V power supply circuits, 3.3V power supply circuits and 1.9V again
Core voltage power supply circuit；The DSP28335 minimal application systems module again include 30MHZ external crystal oscillation circuits, on reply by cable
Position circuit, BOOT selection circuits, RAM expanded circuits and JTAG/scan circuit.
2. the logistic information real time acquisition device according to claim 1 for freight refrigeration compartment, it is characterized in that：It is described
Power module stable operating voltage is provided for real time information sampling device so that other circuit modules normal work；It is described
DSP28335 minimal application system modules be used for realize freight compartment geographical location in Cold Chain Logistics, the master datas such as humiture
Processing and transmission；The GPS information obtains circuit module NEO-6M and is used for realizing vehicle geographical location information, speed course
Etc. data real-time acquisition, and be sent to by way of serial communication DSP28335 minimal application system modules carry out it is further
Processing；The humiture parameter acquiring circuit module DHT22 is used for realizing the real-time acquisition to freezer data of the Temperature and Humidity module, adopt
The data of collection are sent to DSP28335 minimal application system modules by way of serial communication and are further processed；It is described
GPRS data transmission circuit module SIM900A be used for realize the data of freight compartment in Cold Chain Logistics telecommunication network transmission,
The data information that DSP28335 minimal application system resume modules are crossed is transmitted to host computer；The RS232 serial communication electricity
Road module is used as the expansion interface that DSP28335 minimal application systems module is communicated with host computer.
3. the logistic information real time acquisition device according to claim 1 for freight refrigeration compartment, it is characterized in that：It is described
Power module be connected respectively with other function modules of real time information sampling device, for other modules realize power supply；It is described
DSP28335 minimal application systems module circuit module NEO-6M is obtained with GPS information respectively by serial communication port connect and obtain
Take geographical location information data, connect with GPRS data transmission circuit module SIM900A realize data remote transmission and with
RS232 serial communication circuit modules be connected realization and host computer data transmission, further through I/O mouthfuls of GPIO30 conventional datas
It is connected with data of the Temperature and Humidity module acquisition circuit module DHT22 and obtains data of the Temperature and Humidity module.
4. the logistic information real time acquisition device according to claim 3 for freight refrigeration compartment, it is characterized in that：It is described
Connection be by conducting wire be used as connection medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721827375.0U CN207649675U (en) | 2017-12-25 | 2017-12-25 | A kind of logistic information real time acquisition device for freight refrigeration compartment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721827375.0U CN207649675U (en) | 2017-12-25 | 2017-12-25 | A kind of logistic information real time acquisition device for freight refrigeration compartment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207649675U true CN207649675U (en) | 2018-07-24 |
Family
ID=62878563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721827375.0U Expired - Fee Related CN207649675U (en) | 2017-12-25 | 2017-12-25 | A kind of logistic information real time acquisition device for freight refrigeration compartment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207649675U (en) |
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2017
- 2017-12-25 CN CN201721827375.0U patent/CN207649675U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20181225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |