CN109218358A - container monitoring device - Google Patents
container monitoring device Download PDFInfo
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- CN109218358A CN109218358A CN201710530660.4A CN201710530660A CN109218358A CN 109218358 A CN109218358 A CN 109218358A CN 201710530660 A CN201710530660 A CN 201710530660A CN 109218358 A CN109218358 A CN 109218358A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 22
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18515—Transmission equipment in satellites or space-based relays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/06—Airborne or Satellite Networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Astronomy & Astrophysics (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of container monitoring devices, comprising: communication module, the communication module include at least cellular communication module and satellite communication module, and the satellite communication module is multimedia LEO satellite communications module；Cellular antenna, the cellular communication module are coupled with the cellular antenna；Satellite antenna, the satellite communication module are coupled with the satellite antenna；Processor, the processor is configured to through the communication module and the satellite antenna, or it is communicated by the cellular communication module and the cellular antenna with remote control terminal, to realize the monitoring to container, wherein, the satellite antenna includes two pieces of antenna plates of stacked spaced apart, and the frequency-modulated antenna for carrying out satellite communication is provided in each antenna plate.The container monitoring device can be communicated in cellular communication base stations no signal using low orbit satellite, avoid that there are blind area of monitoring, and be communicated when cellular communication base stations have signal using cellular network, to reduce expense.
Description
Technical field
The present invention relates to container monitoring technical fields, more particularly to a kind of low orbit satellite that may be implemented that can be small-sized to lead to
The container monitoring device of letter.
Background technique
As Container Transport industry is more and more flourishing, the whole real time monitoring demand of container cargo is increasingly increased,
Nowadays, Container shipping monitoring technology scheme generally uses sensors and the GPS (global locations such as temperature, humidity, door switch in inductive layer
System) it obtains in case and location information, RFID (radio frequency identification), wifi, cellular network etc. are used in transport layer
Information is transmitted, webpage is developed in application layer or APP (application) carrys out the various status informations of real time inspection container.
However, this monitoring scheme obtains location information using GPS, due to being the satellite technology in the U.S., easily cause
The leakage of information.And traditional Cellular Networks communication is used only and is unable to satisfy remote and marine communication, leads to the blind area of signal,
So needing to introduce satellite to meet the communication of global range.But big-dipper satellite can't realize Global coverage, iridium at present
Star system has declined and expense is relatively high, and marine satellite belongs to synchronous and fixed communications satellite, if the orientation of equipment is not to possible
Can not receive signal forever, the two-way communication of the low orbit satellites such as Orbcomm is very sensitive to antenna, due to antenna can not do it is special
It is small, be applied to there is a problem of on container terminal it is excessive be unfavorable for it is portable.
Accordingly, it is desirable to provide a kind of container monitoring device, at least to be partially solved issue noted above.
Summary of the invention
A series of concept of reduced forms is introduced in Summary, this will be in specific embodiment part into one
Step is described in detail.Summary of the invention is not meant to attempt to limit the pass of technical solution claimed
Key feature and essential features do not mean that the protection scope for attempting to determine technical solution claimed more.
In order at least be partially solved the above problem, a kind of container monitoring dress is provided according to a first aspect of the present invention
It sets comprising: communication module, the communication module include at least cellular communication module and multimedia LEO satellite communications module；Honeycomb day
Line, the cellular communication module are coupled with the cellular antenna, to send and/or receive data by the cellular antenna；It is micro-
Band satellite antenna, the multimedia LEO satellite communications module is coupled with the micro-strip satellite antenna, to pass through the micro-strip satellite antenna
Data are sent and/or receive, to have the multimedia LEO satellite communications function in global range, the micro-strip satellite antenna includes interval
The Dual-layer antenna plate of setting is provided with the frequency-modulated antenna for carrying out satellite communication in each antenna plate, to realize
The covering of two frequency ranges is received and dispatched to 137-138MHz and 147-150.0MH；Sensor unit, the sensor unit is for monitoring
The state of container, the sensor unit include the switch sections of door status sensor, and when the container monitoring device is pacified
When in the groove of container front panel, pass through the switch sections and the door status sensor being mounted on container rotating arm
Magnet segment interaction come identify the container opening-closing door movement；Processor, the processor are configured to
The testing result of the sensor unit obtains the state including door open-close of the container, and passes through the low orbit satellite
Communication module and the micro-strip satellite antenna, or pass through the cellular communication module and the cellular antenna and remote control terminal
It is communicated, the state of the container is sent to remote control terminal, to realize the long-range monitoring to container.
Illustratively, the processor is configured to the state of cellular communications networks in the cellular communication module and institute
It states and switches between multimedia LEO satellite communications module, to use the cellular communication module when the cellular communications networks are in good condition
Communicated by the cellular communications networks, the cellular communications networks out of order when use the multimedia LEO satellite communications module
It is communicated by Low Earth Orbit Networks.
Illustratively, further includes: locating module, the locating module include at least Beidou positioning module and GPS positioning mould
Block；The processor is configured to preferentially obtain location information by the Beidou positioning module, and fixed by the Beidou
Location information is obtained by the GPS positioning module when position module can not obtain location information.
Illustratively, the sensor unit further includes acceleration transducer；The processor is configured to described add
The testing result of velocity sensor judges the state of container and carries out corresponding operating based on judging result.
Illustratively, further includes: expansion interface, the expansion interface are configured to be attached or communicate with external device (ED),
And the expansion interface is at least configured to be communicated with bare weight set sensor；The processor is configured to the bare weight and carries
The testing result of sensor judges that container is in unloaded or heavy condition, and backward when determining that the container is in unloaded
Platform/remote control end sends instruction container and is in unloaded notice.
Illustratively, the bare weight set sensor is ultrasonic sensor, and the processor is based on the supersonic sensing
The testing result of device judges whether the container has cargo, and when determining in the container without cargo to backstage/distal end
Control terminal sends the notice for indicating that the container is in light condition.
Illustratively, further includes: bottom plate, the bottom plate are the metal plate for ground connection, and are provided on the bottom plate solid
Fixed column；Shell, is provided with circuit board in the shell, and the communication module, locating module and processor are arranged in the electricity
On the plate of road；The shell is arranged on the bottom plate, and the circuit board is arranged on the fixed column, and with the bottom plate
It is spaced apart.
Illustratively, the antenna plate is arranged in the fixed column, and two antenna plates are spaced each other centainly
Distance, the frequency-modulated antenna pass through the fixed column and the chassis ground.
Illustratively, the antenna plate includes plastic plate and the metal edge frame for surrounding the plastic plate, the frequency-modulated antenna
To be embedded in the narrowband microcell antenna being electrically connected in the plastic plate and with the metal edge frame.
Illustratively, the cellular antenna and positioning antenna be arranged on the inner wall of the shell, and by feeder line with
The circuit board connection.
Container monitoring device according to the present invention, is integrated with cellular communication and multimedia LEO satellite communications technology, so as to
Global communication is carried out using low orbit satellite in cellular communication base stations no signal, to guarantee to can be carried out in any by-place
Communication, avoids causing economic loss there are blind area of monitoring, and carry out when cellular communication base stations have signal using cellular network
Communication, to reduce communication cost.
Further, container monitoring device according to the present invention, satellite antenna use Dual-layer antenna board structure,
Frequency-modulated antenna is set, and every layer of antenna plate is electrically connected with metal base plate in every layer of antenna plate, passes through metal base plate and collection in this way
The contact of vanning considerably increases contact area, improves the efficiency of satellite communication, not only may be implemented to 137-138MHz and
147-150.0MH receives and dispatches the covering of two frequency ranges, and is substantially reduced the size of antenna, convenient for the small-sized of container monitoring device
Change.
Still further, container monitoring device according to the present invention is integrated with door status switch function, work as container monitoring
When device is fixed on container front panel groove, by the switch sections of door status sensor and it is fixed on rotation wall and with rotation
The magnet segment interaction for turning wall rotation and mobile door status sensor, can identify that enabling pass acts, to realize to collection
The monitoring of loading door, to alarm when container door is accidentally opened.
Detailed description of the invention
The following drawings of the embodiment of the present invention is incorporated herein as part of the present invention for the purpose of understanding the present invention.It is shown in attached drawing
Embodiments of the present invention and descriptions thereof are used to explain the principles of the present invention.In the accompanying drawings,
Fig. 1 is the diagram of the container monitoring device according to an embodiment of the present invention in network environment；
Fig. 2 is the schematic block diagram according to the container monitoring device of the embodiment of the present invention；
Fig. 3 is a schematic isometric structure chart according to the container monitoring device of the embodiment of the present invention；
Fig. 4 is container monitoring device illustrative inner three-dimensional structure diagram shown in Fig. 3；
Fig. 5 is the front view of container monitoring device shown in Fig. 3；
Fig. 6 is the illustrative inner sectional view of container monitoring device shown in Fig. 3；
Fig. 7 is the bottom view of container monitoring device shown in Fig. 3；
Fig. 8 is the left view of container monitoring device shown in Fig. 3；
Fig. 9 is the right view of container monitoring device shown in Fig. 3；
Figure 10 is the right view of container monitoring device shown in Fig. 4；
Figure 11 is the left view of container monitoring device shown in Fig. 4；
Figure 12 is the schematic diagram for the container monitoring device being mounted on container.
Specific embodiment
In the following description, a large amount of concrete details are given so as to provide a more thorough understanding of the present invention.So
And it will be apparent to one skilled in the art that the embodiment of the present invention may not need one or more of these details
And it is carried out.In other examples, in order to avoid obscuring with the embodiment of the present invention, for more well known in the art
Technical characteristic is not described.
It should be understood that the present invention can be implemented in different forms, and should not be construed as being limited to propose here
Embodiment.On the contrary, provide these embodiments will make it is open thoroughly and completely, and will fully convey the scope of the invention to
Those skilled in the art.In the accompanying drawings, for clarity, the size and relative size of component, element etc. may be exaggerated.From beginning
Identical element is indicated to whole same reference numerals.
In order to enable the object, technical solutions and advantages of the present invention become apparent, root is described in detail below with reference to accompanying drawings
According to example embodiments of the present invention.Obviously, described embodiment is only a part of the embodiments of the present invention, rather than this hair
Bright whole embodiments, it should be appreciated that the present invention is not limited by example embodiment described herein.Based on described in the present invention
The embodiment of the present invention, those skilled in the art's obtained all other embodiment in the case where not making the creative labor
It should all fall under the scope of the present invention.
Fig. 1 is the diagram of the container monitoring device according to an embodiment of the present invention in network environment.
With reference to Fig. 1, container monitoring device 100 include bus 102, processor 104, memory 106, communication interface 108,
Input/output interface 110, display unit 112 and other similar and/or suitable component, these components pass through bus 102
And/or bindiny mechanism's (not shown) of other forms interconnects and transmits information.It should be noted that container monitoring dress shown in FIG. 1
Set 100 component and structure be it is illustrative, and not restrictive, as needed, the container monitoring device 100 can also
It can not also include members above-mentioned with other assemblies and structure, such as may include display unit 112, it can also
With not packet display unit 112.
The processor 104 typicallys represent the place for being capable of handling data or explanation and execute instruction of any type or form
Manage unit.Processor 104 can by bus 102 from other elements described above (for example, memory 106, communication interface
108, input/output interface 110, display unit 112 etc.) order is received, translator command simultaneously executes meter according to the order translated
Calculation or data processing.Although processor is illustrated as an element in Fig. 1, processor 104 may include one or more places
Manage device.In general, processor can be central processing unit (CPU) or have data-handling capacity and/or instruction execution
The processing unit of the other forms of ability, and can control other components in the container monitoring device 100 to execute
Desired function.In a particular embodiment, processor 104 can receive the instruction from software application or module.These instructions
Processor 104 can be caused to complete the function for the one or more example embodiments for being described herein and/or showing.
Memory 106 can store from processor 104 or other elements (for example, input/output interface communication interface 108,
Input/output interface 110, display unit 112 etc.) order or number received or by processor 104 or the generation of other elements
According to.The memory 106 may include one or more computer program products, and the computer program product may include each
The computer readable storage medium of kind form, such as volatile memory and/or nonvolatile memory.The volatile storage
Device for example may include random access memory (RAM) and/or cache memory (cache) etc..It is described non-volatile to deposit
Reservoir for example may include read-only memory (ROM), hard disk, flash memory etc..It can be deposited on the computer readable storage medium
One or more computer program instructions are stored up, processor 104 can run described program instruction, to realize this hair described below
The client functionality (realized by processor) in bright embodiment and/or other desired functions.Described computer-readable
Various application programs and various data can also be stored in storage medium, such as the application program is used and/or generated each
Kind data etc..
What communication interface 108 widely indicated any type or form can promote 100 He of example container monitoring device
The adapter or communication equipment of communication between one or more optional equipments.For example, communication interface 108 can promote container
The communication in monitoring device 100 and front end or additional electronic devices and back-end server or cloud.Communication interface 108 can be supported
Short-range communication protocols (for example, Wi-Fi, bluetooth (BT) and near-field communication (NFC) or network communication (for example, internet,
Local area network (LAN), wide area network (WAN), radio communication network, cellular network, satellite network etc.).The example of communication interface 108
Including but not limited to wired network interface (such as network interface card), radio network interface (such as wireless network interface card), tune
Modulator-demodulator and any other suitable interface.In one embodiment, communication interface 108 passes through the network with such as internet
Direct-connected offer is direct-connected to remote server/remote front-end equipment.In a particular embodiment, communication interface 108 by with it is dedicated
The direct-connected offer of the networks such as network, such as video surveillance network, Skynet system network is to remote server/remote front-end equipment
It is direct-connected.Communication interface 108 can also provide this by any other connection properly connected indirectly.In the present embodiment, lead to
Letter interface 108 can be such that container monitoring device 100 connects and communicates by network 120 with backstage/remote control end 130.
Input/output interface 110 can for example receive order or data as input from user, and can pass through bus
The received order or data of institute is transmitted to processor 104 or memory 106 by 102.Display unit 112 can be various types of
Display, for showing that video, image, data etc., such as alarm, notice, the instruction of display container monitoring device 100 etc. are believed
Breath.It should be appreciated that can not include display unit 112, or including one or more display units in other embodiments
112。
Fig. 2 is the schematic block diagram according to the container monitoring device of the embodiment of the present invention.
With reference to Fig. 2, container monitoring device 200 can be, for example, container monitoring device 100 shown in FIG. 1.
With reference to Fig. 2, container monitoring device 200 may include processor 202, satellite communication module 204, satellite antenna
206, cellular communication module 208, cellular antenna 210, Beidou positioning module 212, GPS positioning module 214, antenna 216, door switch
Sensor 218, acceleration transducer 220, expansion interface 222, power management module 224, battery 226 with it is any similar and/or
Suitable component.Container monitoring device 200 can be connect by expansion interface with external sensor, for example, with temperature sensor
230, bare weight set sensor 240 connects.
Processor 202 can be, for example, processor 104 shown in FIG. 1, may include one or more microprocessors
(MCU) (not shown) or one or more communication processors (CP) (not shown).MCU and CP can be included in the place of Fig. 2
It manages in device 202, or can be respectively included in different integrated circuits (IC) encapsulation.According to the embodiment of the present disclosure, MUC and
CP can be included in IC package.
MCU executes various functions relevant to monitoring, and therefore controls the multiple hardware or software element connecting with MCU,
And the algorithm run in various data can be executed.MCU can be implemented for example, by single-chip microcontroller.Illustratively, according to invention
Embodiment, processor 202 uses STM32L series monolithic and corresponding low-power consumption algorithm, to reduce the function of equipment
Consumption.
Pass through (such as the backstage shown in FIG. 1/distal end control of network and backstage/remote control end in container monitoring device 200
End 130 processed) or other electronic equipments communicate when, CP can manage data line and can convert communication protocol.CP can lead to
Cross such as single-chip microcontroller implementation.In the present embodiment, CP can be controlled by satellite communication module 204 and cellular communication module 208
The transmitting and reception of data, and CP can be converted between satellite communication protocols and cellular communication protocol, it can and control is simultaneously
Switch satellite communication module 204 and cellular communication module 208, to pass through satellite communication module 204 and cellular communication module 208
One of them is communicated.More specifically, in an embodiment according to the present invention, when the not signal of cellular communication base stations or bee
When the dtr signal of nest communication base station, CP, which can control, switches to satellite communication module 204, to be carried out by satellite communication network
Communication；When the signal of cellular communication base stations is good, CP, which can control, switches to cellular communication module 208, with logical by honeycomb
Communication network is communicated, and can both have been guaranteed be communicated in any remote place in this way, and increased monitoring range, avoid depositing
Economic loss is caused in blind area of monitoring, and can be communicated when cellular communication signal is good by cellular communications networks, to reduce
Communication cost.
Satellite communication module 204 is illustratively multimedia LEO satellite communications module, supports multimedia LEO satellite communications agreement, thus
It can be communicated by low orbit (LEO) satellite mobile communication system.The LEO mobile satellite communication system is by low rail
Satellite constellation, earth station and subscriber unit composition, arrange multi-satellite on several orbit planes, will be more by communication link
Satellite on a orbit plane is tied, and entire constellation is such as the macrotype platform being connected in structure, shape at the earth's surface
At honeycomb serving cell, user is at least covered by a satellite in service area, and user can access system at any time.It is exemplary
Ground, in the present embodiment, using Orbcomm LEO mobile satellite communication system, communication band is 137-150.05MHz tool
Have that Satellite Global covering, expense be low, non-stationary satellite, can be very good the advantages of meeting global M2M service.Further, it defends
Star communication module 204 further includes the transmission and reception that corresponding radio frequency (RF) module (not shown) is used for data, and radio-frequency module can
With include such as transceiver, power amplifier module (PAM), filter, low-noise amplifier (LNA), and for from
By the micro-strip satellite antenna 206 for sending and receiving electromagnetic wave in space with wireless communication.Micro-strip satellite antenna 206 for send and
Receive the electromagnetic wave for being used for multimedia LEO satellite communications.Micro-strip satellite antenna 206 is to use various structures, implementation according to the present invention
Example, satellite antenna 206 use narrowband microcell antenna, and double lattices are made up and down, to reduce packaging while meeting communication performance and requiring
The size of case monitoring device 100 is realized portable.
Cellular communication module 208 can support the one kind such as cellular communication protocol, such as GSM, GPRS, CDMA, WCDMA, LTE
Or various protocols.Cellular communication module 208 also includes corresponding radio frequency (RF) module (not shown) for the transmission of data and connects
Receive, radio-frequency module may include such as transceiver, power amplifier module (PAM), filter, low-noise amplifier (LNA),
And the cellular antenna 210 for sending and receiving electromagnetic wave with wireless communication in free space.Cellular antenna 210 can be with root
Suitable structure and shape are used according to the frequency range that it is needed, which is not limited by the present invention.Cellular communication module 208 can pass through
Network (for example, network 120) executes the data communication with other electronic equipments or rear end/remote control terminal (such as 130).
Further, it is to be appreciated that can also include passing through in addition to satellite communication module 204 and cellular communication module 208
Other wireless communication modules that radio-frequency module can wirelessly communicate, such as Wi-Fi module, bluetooth module or near-field communication module.
Additionally or alternatively, wireless communication module may further include network interface (for example, LAN network interface card), modulator/demodulator
(modem) etc.), for make container monitoring device 200 be connected to network (for example, internet, local area network, wide area network,
Radio communication network, cellular network, satellite network etc.) (not shown).
Beidou positioning module 212 is coupled with positioning antenna 216, to be communicated with Beidou satellite alignment system, thus real
Now position.GPS positioning module 214 is coupled with positioning antenna 216, is communicated with GPS, is determined to realize
Position.The location data that Beidou positioning module 212 and GPS positioning module 214 obtain can be sent to processor 202, processor 202
The location information of acquisition is handled, such as backstage/remote control end is sent to by network.In addition, processor 202,
For controlling Beidou positioning module 212 and GPS positioning module 214, such as an embodiment according to the present invention, processor 202 configure
It is positioned simultaneously for control Beidou positioning module 212 with GPS positioning module 214, to improve locating speed and precision.According to the present invention
Another embodiment, processor 202 is configured to preferentially Beidou positioning module 212 be used to be positioned, only in Beidou positioning module 212
When can not obtain location information (i.e. BEI-DOU position system poor signal), positioned using with GPS positioning module 214, in this way
The safety of data can be made more secure.
Door switch sensor 218 is used to detect the folding condition of container door, i.e., detection container door be opening state also
It is closed state.Door switch sensor 218 illustratively uses door status switch sensor, by switch and magnet two parts group
At switch sections are encapsulated by magnetic reed switch through lead connection sizing, and magnet segment is sealed by the magnet of corresponding magnetic field strength
Loaded in plastic cement or alloy shell.When the two separates or after close to certain distance, causes cut-offfing to sense object for switch
The variation of position.The testing result that processor 202 is configured to door switch sensor 218 carries out corresponding operation, for example, working as
When processor 202 determines door by abnormal start-up according to the testing result of door switch sensor 218, corresponding element can control,
Such as warning device is alarmed, or is alarmed by communication network to backstage/remote control end, to guarantee the peace of cargo
Entirely.
Acceleration transducer 220 is used to detect the state of container, such as container is in static or motion state, or
Whether person's container impacted, fall or it is artificial and these states are reported to processor 202 roughly, so as to processor 202
Carry out development operation.That is, the testing result that processor 202 is configured to acceleration transducer 220 determines the shape of container
State, and corresponding operation is executed, such as do respective handling reduction power consumption, or carry out alarm operation.Although it is understood that
Acceleration transducer is only shown in figure, but in an embodiment according to the present invention, it also may include gyro sensor, place
Reason device 202 determines the state of container based on the testing result of acceleration transducer and/or gyro sensor, and executes phase
The operation answered.
Expansion interface 222 is for making container monitoring device 200 and external equipment, such as external sensor connection, with logical
It crosses external sensor and realizes more monitoring functions.For example, according to embodiments of the present invention, expansion interface 222 can make processor
202 connect with temperature sensor 230 and bare weight set sensor 240, to obtain the temperature in container, and in temperature anomaly
It alarms；And zero load/heavy condition of container is obtained, and prompted or reported when container is in light condition
It is alert, to reduce the vacancy rate of container, the operation cost at harbour and stockyard is reduced, reasonable effective circulation of empty van is increased.Bare weight
Set sensor 240 illustratively uses ultrasonic sensor, judges that whether there is or not cargos in container by ultrasonic distance measurement.Ultrasound
The principle of wave ranging is ultrasonic transmitter to a direction transmitting ultrasonic wave, starts timing while emission time, ultrasound
Wave is propagated in air, is encountered barrier on the way and just is returned to come immediately, and ultrasonic receiver receives back wave and just stops meter immediately
When.The aerial spread speed of ultrasonic wave is 340m/s, according to the time t of timer record, so that it may calculate launch point
Distance (s) away from barrier, it may be assumed that s=340t/2.When there are the ultrasonic waves that when cargo, ultrasonic transmitter is issued in container
Cargo can be encountered quickly and returned so that institute's ranging is from smaller, when there is no cargo in container, what ultrasonic transmitter issued
Ultrasonic wave will make institute's ranging from larger compared with slow-back.Therefore result of the processor 202 based on ultrasonic distance measurement can determine whether to collect
Whether there is or not cargos in vanning, namely judge that container is in unloaded or heavy condition.It is understood that in order to detect container
In unloaded or heavy duty, a group or more groups of ultrasonic sensors can be arranged in container.In addition it is also possible to pass through it
His sensor or detection technique detect zero load or the heavy condition of container, and are not limited to ultrasonic sensor.
Power management module 224 can be with the battery and energy consumption of container monitoring device 200.Although being not shown, power management
Module 224 may include such as power management IC (PMIC), charging IC or battery meter.PMIC can install to such as IC or
On SoC semiconductor.
Battery 226 uses dry cell, is preferably powered using the dry cell of 12V, maximum current can achieve
2.5A.The electric energy that battery 226 adopts offer supplies satellite communication module 204 after passing through filtering processing in power management module 224
Work, then pass through decompression treatment and supplied processor 202, cellular communication module 208, Beidou positioning module 212, GPS positioning mould
Blocks 214 etc. use, and preferably power management module 224 can reduce power consumption by some low-power consumption Processing Algorithms, increase
It is powered on the service life in pond.
Although it is appreciated that the element such as power management module 224 is as separating with processor 202 in Fig. 2
Element is shown, but according to the embodiment of the present invention, processor 202 may include at least part element (example described above
Such as, power management module 224).
Term " module " used in the present invention can be related to the group for example including one or more hardware, software and firmware
The unit of conjunction." module " can be the minimum unit for executing one or more functions or its part." module " can be with machine
Tool or electronically implement.For example, may include application-specific IC (ASIC) according to " module " of the embodiment of the present disclosure
Chip, field programmable gate array (FPGA) and the programmable logic for executing certain operation known or will be developed fill
At least one of set.
Container monitoring device according to the present invention can be implemented as various structures.One is provided according to embodiments of the present invention
The modification container monitoring device of kind miniaturization, is described below with reference to Fig. 3~Figure 12.
Fig. 3~Figure 12,300 shell 300 of container monitoring device are please referred to, shell 300 is mounted and fixed on bottom plate 304
On, to form airtight cavity, in the component for various necessary for monitoring are arranged inside wanting.Shell 300 is substantially in cuboid, bottom plate
304 generally rectangular shapes, shell 300 can be combined together with bottom plate 304 by fasteners such as screws, and in shell
300 and the position that engages of bottom plate 304 at can be set sealing and waterproof part, such as setting waterproof grommet.Shell 300 is by moulding
The production of the layer of non-conductive material such as material, rubber, in order to avoid the antenna of inside setting is caused to shield.Bottom plate 304 is metal plate, is used for
Ground connection, and contact area is increased by the contact with container.Container monitoring device 300 is provided with expansion interface 306, can be with
The sensors such as link position (such as being arranged in container) sensor, such as temperature sensor, bare weight set sensor, with reality
The now power supply of more monitoring functions or control module, to both meet functional requirement or power consumption is effectively reduced.According to this reality
Apply the container monitoring device 300 of example substantially in a rectangular parallelepiped shape, volume rather moderate is easily installed in front of container
In the groove of plate.
Circuit board 308 is provided in shell 300, circuit board 308 is fixed on bottom plate 304, and is spaced one with bottom plate 304
Set a distance.Circuit board 308 can be fixed by screws in the fixed column 330 being arranged on bottom plate 304, to realize installation.
Aforementioned such as processor, satellite communication module, cellular communication module, radio-frequency module, Beidou positioning mould are set on circuit board 308
The components such as block, GPS positioning module, acceleration transducer, power management module, these devices are by being arranged in circuit board 308
On connecting line be connected to each other, or connect with other elements.Realized and being welded on the fixed column being arranged on bottom plate 304 with
The fixation of bottom plate 304.
Micro-strip satellite antenna is provided in shell 300, micro-strip satellite antenna includes spaced in the present embodiment
Upper layer and lower layer antenna plate 310 and 312 is provided with the frequency-modulated antenna for carrying out satellite communication in each antenna plate, with reality
The covering of two frequency ranges is now received and dispatched to 137-138MHz and 147-150.0MH.The generally rectangular shape of every piece of antenna plate, and its
Surrounding is made of metal material, and centre is plastic plate, and frequency-modulated antenna 314 is embedded in plastic plate, i.e. antenna plate 310 and 312 is adopted
With material and the method production for being similar to printed wiring board.Frequency-modulated antenna 314 uses narrowband microcell antenna, as shown in figure 4, frequency modulation day
Line 314 includes the shaped like narrow metal wire of 2 or more production, these shaped like narrow metal wires are intervally installed, and
It is connected at one end through the metal edge frame of shared linkage section and antenna plate.Antenna plate 310 and 312 is arranged at intervals on bottom plate 304
Top, and be separated by a certain distance with bottom plate 304.Antenna plate 310 and 312 can be by welding or being arranged in consolidating on bottom plate 304
Fixed column 330 and realize with the fixation of bottom plate 304, and frequency-modulated antenna 314 and bottom plate are realized by metal edge frame and fixed column 330
304 electrical connection, to be grounded, and the frequency point of the fixed more tight then antenna of fixed column is more accurate, and standing-wave ratio is smaller, communication effect
Rate is higher.In the present embodiment, when container monitoring device 300 is mounted on container 400 (referring to Figure 12), bottom plate 304
It is sufficiently contacted with container the earth, effective elevation angle of satellite antenna can achieve 5 ° or more, so that with multimedia LEO satellite communications efficiency
Well.The container monitoring device 300 of the present embodiment reduces the size of device by using this satellite antenna, while meeting again
The performance requirement of communication so that entire container monitoring device 300 realize it is portable.
Antenna 316 and cellular antenna 318 are positioned on the inner wall of shell 300, position antenna 316 and cellular antenna 318 is equal
Connect by feeder line with circuit board 308, be grounded and with such as satellite communication module, cellular communication module, Beidou it is fixed
The coupling of position module or GPS positioning module etc..When container monitoring device 300 is mounted on container 400, antenna is positioned
316 and cellular antenna 318 and sky substantially 90 ° of the elevation angle, considerably increase the performance and efficiency of positioning and communication.
Further, it is additionally provided with combiner 320 on bottom plate 304, is fixed on by the methods of welding or fastener
It on bottom plate 304, and is connect with cellular antenna 318 and cellular communication module, to work at the same time in GSM frequency range, CDMA frequency
Section or other frequency ranges.
It is provided with the battery case 322 for installing battery in shell 300, is fixed on bottom plate 304.Pass through battery case
322 one side can shield interference of the battery to antenna, and on the other hand replacement easy to disassemble, improves efficiency.Correspondingly, in this shell
The opening for security protection battery case 322, and the battery cover 324 for the closed opening are provided on body 300.When installation battery
When lid 324,324 lower end of battery cover passes through the bottom for being stuck in shell 300, and upper end is screwed, and around uses waterproof pad
Sealing.In the present embodiment, use high capacity cell that can use 3 years, the power supply of all modules for equipment supplying cell
It can handle device or power management module control, each modular power source closed when equipment is idle, is that equipment enters low-power consumption
State.
The switch sections of door status switch sensor are provided on the inner wall of right side on the inner wall of shell 300, such as in figure
326, it is connect by flexible cord with circuit board 308, and then connect with processor, is examined convenient for processor by door status switch sensor
Survey the state of door.As shown in figure 12, the magnet segment 328 of door status switch sensor is mounted on the rotating arm 402 of container 400
At position corresponding with container monitoring device 300, and moved with the rotation of rotating arm 402.When the door of container closure,
Switch sections 326 and magnet segment 328 are apart from lower, or are in contact with each other, as shown in state 1 in Figure 12, switch sections at this time
326 and magnet segment 328 interact, the closing the switch of switch sections 326 (or disconnection)；When the door of container is opened, open
Part 326 and magnet segment 328 are closed apart from farther out, as shown in state 2 in Figure 12, switch sections 326 and magnet segment 328 at this time
Interaction weakens, and the switch of switch sections 326 disconnects (or closure), and processor passes through the switch for judging switch sections 326
Closing or opening be can determine whether container 400 door be in open or closed state, and can when in the open state into
Row prompt or alarm operation.
The installation process of the container monitoring device 300 of the present embodiment is to take the good antenna plate of frequency modulation, is fixed in
It on bottom plate 304, then from left side mounting circuit boards 308 and is screwed, then by door status switch, positioning antenna, honeycomb day
After line etc. is fixed on 300 inner wall of plastic casing, shell 300 is covered on bottom plate 304, and is screwed at back, finally from
Battery is installed in the battery case 322 on the right and is fixed, and surrounding water-proofing treatment is carried out and covers battery cover 324.
According to the shell of 300 whole equipment of container monitoring device of the present embodiment using plastic shell, equipment is wide
Degree can be just placed in the groove of container, and moderate length can be placed among two column spinners of container, and height is not high
Height after the depth of groove of container adds foot key.Door sensor and equipment after container door is closed, on rotating arm
Interior door sensor tight closure.Whole equipment is fixed from the inside, on the one hand can be antitheft, on the other hand equipment can be made to be tightly fastened
In container wall, so that the ground plane of antenna greatly increases, satellite communication efficiency is improved.And positioning and the honeycomb day of equipment
Line is placed on the inner wall of equipment, and the aft antenna of installation and the elevation angle of sky are 90 °, considerably increases the efficiency of positioning and communication.
In addition, equipment has the ability for extending out sensor, the monitoring range and dynamics of equipment are increased.
Although describing example embodiment by reference to attached drawing here, it should be understood that above example embodiment are only exemplary
, and be not intended to limit the scope of the invention to this.Those of ordinary skill in the art can carry out various changes wherein
And modification, it is made without departing from the scope of the present invention and spiritual.All such changes and modifications are intended to be included in appended claims
Within required the scope of the present invention.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, apparatus embodiments described above are merely indicative, for example, the division of the unit, only
Only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can be tied
Another equipment is closed or is desirably integrated into, or some features can be ignored or not executed.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that implementation of the invention
Example can be practiced without these specific details.In some instances, well known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the present invention and help to understand one or more of the various inventive aspects,
To in the description of exemplary embodiment of the present invention, each feature of the invention be grouped together into sometimes single embodiment, figure,
Or in descriptions thereof.However, the method for the invention should not be construed to reflect an intention that i.e. claimed
The present invention claims features more more than feature expressly recited in each claim.More precisely, as corresponding
As claims reflect, inventive point is that all features less than some disclosed single embodiment can be used
Feature solves corresponding technical problem.Therefore, it then follows thus claims of specific embodiment are expressly incorporated in the tool
Body embodiment, wherein each, the claims themselves are regarded as separate embodiments of the invention.
It will be understood to those skilled in the art that any combination pair can be used other than mutually exclusive between feature
All features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed any method
Or all process or units of equipment are combined.Unless expressly stated otherwise, this specification (is wanted including adjoint right
Ask, make a summary and attached drawing) disclosed in each feature can be replaced with an alternative feature that provides the same, equivalent, or similar purpose.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is of the invention
Within the scope of and form different embodiments.For example, in detail in the claims, embodiment claimed it is one of any
Can in any combination mode come using.
Various component embodiments of the invention can be implemented in hardware, or to run on one or more processors
Software module realize, or be implemented in a combination thereof.It will be understood by those of skill in the art that can be used in practice
Microprocessor or digital signal processor (DSP) realize some moulds in article analytical equipment according to an embodiment of the present invention
The some or all functions of block.The present invention is also implemented as a part or complete for executing method as described herein
The program of device (for example, computer program and computer program product) in portion.It is such to realize that program of the invention can store
On a computer-readable medium, it or may be in the form of one or more signals.Such signal can be from internet
Downloading obtains on website, is perhaps provided on the carrier signal or is provided in any other form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and ability
Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not
Element or step listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of multiple such
Element.The present invention can be by means of including the hardware of several different elements and being come by means of properly programmed computer real
It is existing.In the unit claims listing several devices, several in these devices can be through the same hardware branch
To embody.The use of word first, second, and third does not indicate any sequence.These words can be explained and be run after fame
Claim.
The above description is merely a specific embodiment or to the explanation of specific embodiment, protection of the invention
Range is not limited thereto, and anyone skilled in the art in the technical scope disclosed by the present invention, can be easily
Expect change or replacement, should be covered by the protection scope of the present invention.Protection scope of the present invention should be with claim
Subject to protection scope.
Claims (10)
1. a kind of container monitoring device characterized by comprising
Communication module, the communication module include at least cellular communication module and multimedia LEO satellite communications module；
Cellular antenna, the cellular communication module are coupled with the cellular antenna, to send and/or connect by the cellular antenna
Receive data；
Micro-strip satellite antenna, the multimedia LEO satellite communications module are coupled with the micro-strip satellite antenna, to be defended by the micro-strip
Star antenna sends and/or receives data, to have the multimedia LEO satellite communications function in global range, the micro-strip satellite antenna packet
Spaced Dual-layer antenna plate is included, the frequency-modulated antenna for carrying out satellite communication is provided in each antenna plate,
To realize the covering for receiving and dispatching two frequency ranges to 137-138MHz and 147-150.0MH；
Sensor unit, the sensor unit are used for the state of monitoring containers, and the sensor unit includes door sensor sensing
The switch sections of device, and when the container monitoring device is mounted in the groove of container front panel, pass through the switch
Partially the container is identified with the interaction of the magnet segment for the door status sensor being mounted on container rotating arm
Opening-closing door movement；
Processor, what the testing result that the processor is configured to the sensor unit obtained the container includes door
The state of ON/OFF, and by the multimedia LEO satellite communications module and the micro-strip satellite antenna, or pass through the cellular communication
Module and the cellular antenna are communicated with remote control terminal, and the state of the container is sent to remote control terminal,
To realize the long-range monitoring to container.
2. container monitoring device according to claim 1, which is characterized in that it is logical that the processor is configured to honeycomb
The state of communication network switches between the cellular communication module and the multimedia LEO satellite communications module, in the cellular communication
It is communicated using the cellular communication module by the cellular communications networks when network state is good, in the cellular communications networks
It is communicated using the multimedia LEO satellite communications module by Low Earth Orbit Networks when out of order.
3. container monitoring device according to claim 2, which is characterized in that further include:
Locating module, the locating module include at least Beidou positioning module and GPS positioning module；
The processor is configured to preferentially obtain location information by the Beidou positioning module, and fixed by the Beidou
Location information is obtained by the GPS positioning module when position module can not obtain location information.
4. container monitoring device according to claim 1, which is characterized in that the sensor unit further include:
Acceleration transducer；
The testing result that the processor is configured to the acceleration transducer judges the state of container and based on judgement
As a result corresponding operating is carried out.
5. container monitoring device according to claim 1, which is characterized in that further include:
Expansion interface, the expansion interface is configured to be attached or communicate with external device (ED), and the expansion interface is at least matched
It is set to and is communicated with bare weight set sensor；
The testing result that the processor is configured to the bare weight set sensor judges that container is in unloaded or heavily loaded shape
State, and send instruction container to backstage/remote control end when determining that the container is in unloaded and be in unloaded notice.
6. container monitoring device according to claim 5, which is characterized in that the bare weight set sensor is ultrasonic wave biography
Sensor, the processor judge whether the container has cargo based on the testing result of the ultrasonic sensor, and true
The notice for indicating that the container is in light condition is sent to backstage/remote control end when in the fixed container without cargo.
7. container monitoring device described in -6 any one according to claim 1, which is characterized in that further include:
Bottom plate, the bottom plate is the metal plate for ground connection, and is provided with fixed column on the bottom plate；
Shell, is provided with circuit board in the shell, and the communication module, locating module and processor are arranged in the circuit
On plate；
The shell is arranged on the bottom plate, and the circuit board is arranged on the fixed column, and between the bottom plate
At a certain distance.
8. container monitoring device according to claim 7, which is characterized in that the antenna plate is arranged in the fixed column
On, and two antenna plates are spaced from each other a distance, and the frequency-modulated antenna passes through the fixed column and bottom plate electricity
Connection.
9. container monitoring device according to claim 8, which is characterized in that the antenna plate includes plastic plate and encirclement
The metal edge frame of the plastic plate, the frequency-modulated antenna are to be embedded in the plastic plate and be electrically connected with the metal edge frame narrow
Band microcell antenna.
10. container monitoring device according to claim 7, which is characterized in that the cellular antenna and positioning antenna are set
It sets on the inner wall of the shell, and is connect by feeder line with the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710530660.4A CN109218358A (en) | 2017-07-03 | 2017-07-03 | container monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710530660.4A CN109218358A (en) | 2017-07-03 | 2017-07-03 | container monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN109218358A true CN109218358A (en) | 2019-01-15 |
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ID=64992119
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710530660.4A Pending CN109218358A (en) | 2017-07-03 | 2017-07-03 | container monitoring device |
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| CN110730491A (en) * | 2019-10-29 | 2020-01-24 | 深圳中集智能科技有限公司 | Interconnected satellite terminal applied to container transportation monitoring |
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Address after: 518063 Shenzhen national engineering laboratory building b1001-b1004, No. 20, Gaoxin South seventh Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong Applicant after: SHENZHEN CIMC SECURITY AND SMART TECHNOLOGY Co.,Ltd. Applicant after: Guangdong CIMC Intelligent Technology Co.,Ltd. Applicant after: SHENZHEN CIMC INTERNET OF THINGS INTERNATIONAL OPERATION SERVCE Co.,Ltd. Applicant after: China International Marine Containers (Group) Co.,Ltd. Address before: Room 102, block a, phase II, science and technology building, 1057 Nanhai Avenue, Shekou, Nanshan District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN CIMC SECURITY AND SMART TECHNOLOGY Co.,Ltd. Applicant before: DONGGUAN CIMC INTELLIGENT TECHNOLOGY Co.,Ltd. Applicant before: SHENZHEN CIMC INTERNET OF THINGS INTERNATIONAL OPERATION SERVCE Co.,Ltd. Applicant before: China International Marine Containers (Group) Co.,Ltd. |
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