Background technology
Some large precision members, refrigerating equipment, giant brain system, top-heavy equipment, network information system, electronic communication equipment, Medical Devices, large glass goods etc. reach in the cargo handling process in transit has strict requirement to deposit position and placement direction.The owner of cargo and carrier can emphasize to transport and the requirement of loading and unloading operation when paying these goods, as to the restriction at angle of inclination, to the restriction of shockproofness etc.The owner of cargo who has can indicate these requirements at packing material.But still some transportations and loading and unloading quality problems can appear, cause the dispute between consignee, carrier, the owner of cargo three.All the time, carrier has concrete working specification in operation process, but for various reasons, in commission, still such-and-such deviation can occur, causes the damage of goods, produces larger economic loss.
The 2005.11.16. of State Intellectual Property Office is disclosed, application number is 200510079741.4, name is called: the patented technology of " a kind of Multifunction transport state-detection pen recorder and monitoring method ", a kind of event of utilizing acceleration, temperature, pressure transducer collection to bear in transporting is provided, treated device resolves again, thereby obtain the technical scheme of the state of transporting, play the effect of article " black box ".But the components and parts that wherein utilize, chip cost height are also high to the requirement of environment for use, and be high according to the cost of products that this technical scheme is made.In addition, some meet the transporting on the link of logistic requirements (as aircraft take off, the occasions such as the brake hard of automobile starting, automobile balance, express elevator), adopt the acceleration induction device misdescription record may occur.In transport process, at the uniform velocity tilt, surpass in the situation at regulation angle of inclination, can not carry out record to this violation operation on the contrary.
The applicant proposes the patented claim of title " a kind of logistics monitor ", application number " 200910182011.5 " in 2009.7.16. to State Intellectual Property Office according to the aforementioned patent technology.State Intellectual Property Office announces in 2011.1.26., bulletin " CN101958014A ".This application is improved for the aforementioned patent technology, provides a kind of object that can reflect succinctly, exactly inclination and/or the shock conditions of regulation whether to occur surpassing in transport process, and the low logistics monitor of cost.The cost of this utility model is low, and can accurately respond to the components and parts of angle, vibration information as the event acquisition source, it is with respect to the acceleration induction device in the aforementioned patent technology, only angle variation, shock conditions are gathered, meet at some and can not occur wrong report in the occasion that the larger variation of acceleration is arranged that transports requirement.
But flaw of the common existence of this application technical scheme that the applicant proposes and aforementioned patent technology is exactly that power consumption is large, and service time of battery is not long; In addition, although this application technical scheme that the application proposes has had significant improvement with respect to the aforementioned patent technology, initial value is difficult to change, slow, the incomplete problem of result data of response but still exist.
Embodiment
The utility model system is as shown in Figure 1: comprise clock circuit, temperature sensor, humidity sensor and processor, described processor is micro-control unit; Comprise that also three-axis moving detects the micro-electro-mechanical systems computing machine of unifying, described three-axis moving detects MEMS (micro electro mechanical system) and connects described micro-control unit, and described computing machine links to each other with described micro-control unit.The pattern that multiple communication can be arranged between computing machine (PC) and the micro-control unit (MCU), in Fig. 1 double dot dash line frame, can be long-distance radio communication (GPRS), noncontact transmitted in both directions (RFID) or USB (universal serial bus) (USB).Certainly, when adopting GPRS, bluetooth, in the product of the present utility model corresponding GPRS, bluetooth module must be arranged, adopt RFID also corresponding radio-frequency module should be arranged; When adopting USB, corresponding interface chip should be arranged.
Also comprise the LED lamp, described LED lamp connects described micro-control unit.
The below further specifies the utility model and forms:
Record of the present utility model and analytic system are comprised of hardware (logistics monitor) and dedicated analysis software.
The dynamic value of the events such as hardware (logistics monitor) is inclination, the vibration that can record object (goods), impact, fall, temperature and humidity.Hardware (logistics monitor) can be set the bound alarm value of above-mentioned event, to when dispatching from the factory, give tacit consent to alarm value when not setting, when the actual value of event exceeded alarm value, the red LED lamp on the hardware (logistics monitor) will keep blink states; Otherwise green LED lamp glimmer.
With after computer is connected, can derive the inner event data of hardware (logistics monitor) and analyze and generate relevant chart and assessment report by dedicated analysis software by MINI usb data line or RFID or wireless or USB flash disk derived data for hardware (logistics monitor).Can set the alarm value of the relevant event of hardware (logistics monitor) by dedicated analysis software, also can set other related parameter values.
Hardware (logistics monitor) can use separately, if but cooperate the dedicated analysis software application, then its function and performance will be strengthened greatly.For example: 1, can use hardware (logistics monitor) to reuse by dedicated analysis software, accomplish reasonable saving resource; 2, can set different event alarms values by dedicated analysis software, to satisfy the user demand of different article; 3, can objectively generate relevant analysis and evaluation report to event by dedicated analysis software, report content is as the criterion with data, and is true and reliable.4, can expand more appellative function by dedicated analysis software, have extensibility.
The functional description of each part of the utility model is as follows:
1, structure: hardware (logistics monitor) is comprised of device, circuit board and plastic casing.Circuit board is comprised of parts such as main control chip, clock chip, sensing chip, interface chip, storage chip, batteries.
2, hardware (logistics monitor) is provided with operating switch, and when off-mode, product is not done any action; When open state, the product introduction duty, and begin to record the value of each event, and when in 5 minutes, the value of each event does not change (or changing when value range of safety value), and product enters the sleep battery saving mode automatically.Product is during in working order with sleep pattern, and green LED lamp keeps glimmer.When the event value exceeded the alarm value that sets, the green LED lantern festival was extinguished, and the red LED lantern festival begins ceaselessly to glimmer.
3, the definition of alarm value parameter:
Left bank: the angle of object direction inclination left.
Right bank: the angle that object tilts to right.
Top rake: the angle that the object forward direction tilts.
Rear-inclined: the angle that the object backward directions tilt.
Vibration: frequency and the peak value of the motion of object above-below direction.
Impact: peak value and the time of the motion of the directions such as object top to bottom, left and right, front and rear.
Fall: peak value and the time of the motion of object above-below direction.
Temperature: the highest and floors of the ambient temperature that object is suffered.
Humidity: the highest and floors of the residing ambient humidity of object.
Above-mentioned alarm value and safety value can be set by computer software, if when not setting by computer software, each alarm value and safety value are default value set when dispatching from the factory.
4, each product has a unique number (ID number), and this numbering can not be rewritten.
5, product self with time clock feature, clock is real-time clock, can product export or use before set by connecting computer software.When product also can guarantee the clock normal function at off-mode; When battery is finished using or after battery is removed, can be guaranteed that also time clock feature is normal.
6, when the product dead battery or after being removed, the event data that measures also can be preserved.And under start or off-mode, can derive event data by connecting computer software.
7, the event data record on the product can be done full scale clearance and processes by connecting computer software, but can not rewrite data or delete separately a certain data record.After the data of product are by full scale clearance, can again reset parameter value and use.
8, the supplying cell of product can provide for product the power supply of longer service time under open state.Consider energy-saving mode so in the design of product, will fill part.
9, the shared red LED lamp of the alarm of each event of product shows by flashing mode.When the actual value of any one event exceeds alarm value, this red LED lamp becomes the non-stop flicker of meeting, until being closed (but operating switch when being opened, this red LED lamp also can continue flicker) again or by computer software all numerical value being done to remove, dead battery or operating switch just stop after processing.
10, product can not show (red LED lamp become can non-stop flicker) and stop that only operating switch is closed because of alarm occurring to the follow-up work of event.
11, product can be connected with computer by MINI usb data line or RFID or wireless or USB flash disk derived data.
Principle of work of the present utility model is:
The utility model mainly adopts the triaxial accelerometer chip of MEMS (micro electro mechanical system) (MEMS), this chip is an independently intelligence system, mainly formed by sensor, actuator (actuator) and little energy three parts, the integrated motor function of numerous intelligence, such as direction, shake, fall and knock, can to six direction (left and right, upper and lower, forward and backward) customization vertical/horizontal seat to the detection of the events such as inclination, vibrations, impact.And by main system processor and the setting of system software practical function, data acquisition and analysis.Product has ease-to-operate and dirigibility.
Volume of the present utility model is little, and is lightweight, and it is low to consume energy, and inertia is little, and resonance frequency is high, and the response time is short.Compare with general logistics monitor, volume-diminished not only, and also at mechanics principle and kinematic principle, huge variation has all occured in the aspects such as material behavior, processing, measurement and control.In system of the present utility model, all geometry deformations are so little (molecular levels), to such an extent as to the linear relationship between structurally internal stress and the strain (Hooke's law) does not exist.The friction force of friction surface mainly is because the interaction of molecules power between the surface causes in the utility model system device, rather than owing to load pressure causes.Device is take silicon as main material.The intensity of silicon, hardness and Young modulus and iron phase are worked as.Density is similar to aluminium, and pyroconductivity is near copper and tungsten, so mechanical electric function admirable of the present utility model.Take into full account the low-power consumption requirement in the design, the automatic wake/sleep function by automatic configuration can reduce system level power consumption, and data acquisition can reach 1-120 time/second.