CN204080913U - A kind of device extending excavator airborne communication terminal standby time - Google Patents
A kind of device extending excavator airborne communication terminal standby time Download PDFInfo
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- CN204080913U CN204080913U CN201420219917.6U CN201420219917U CN204080913U CN 204080913 U CN204080913 U CN 204080913U CN 201420219917 U CN201420219917 U CN 201420219917U CN 204080913 U CN204080913 U CN 204080913U
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- storage battery
- excavator
- airborne
- communication terminal
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Abstract
The utility model discloses a kind of device extending excavator airborne communication terminal standby time, mainly comprises the microcontroller of electrical connection mutually, data acquisition module, storage battery electric power detection module and wireless communication module.After excavator switch-off, by the detection of storage battery electric power detection module to airborne storage battery relevant parameter, estimate storage battery dump energy by microcontroller and the data transfer cycle of wireless communication module is set, and by this periodic awakening wireless communication module, and when airborne storage battery dump energy not enough preset value (such as 10%), airborne communication terminal automatic shutdown.The method not only reduces the power consumption of excavator airborne communication terminal, and extend application life and the stand-by time of the airborne storage battery of excavator, what effectively avoid that excavator causes because airborne storage battery electricity exhausts the shortcoming such as normally cannot to start, and indirectly improves excavator operating efficiency at the construction field (site).
Description
Technical field
The utility model relates to excavator control technology field, especially, relates to the device for extending airborne communication terminal standby time that a kind of excavator uses.
Background technology
Usually, excavator at the construction field (site) operation time, excavator airborne communication terminal needs to communicate with remote monitoring center under normal circumstances.When excavator runs, airborne storage battery can automatic charging, and provides working power, when after flame-out parking for airborne communication terminal, airborne communication terminal still communicates with fixing data transfer cycle with remote monitoring center, and now airborne storage battery is continuously airborne communication terminal and powers.If the non-startup optimization of vehicle certain hour, because airborne storage battery cannot automatic charging, airborne storage battery electricity will slowly exhaust, and meanwhile excavator airborne communication terminal also will quit work.This has a strong impact on the application life of airborne storage battery, and excavator can be made normally to start, and loses and the contacting of remote monitoring center, indirectly reduces the operating efficiency of excavator, thus cause construction delay.
Utility model content
The purpose of this utility model is to provide a kind of device extending excavator airborne communication terminal standby time, this device extends the stand-by time of airborne communication terminal by reducing power consumption of terminal, shorter and cause because storage battery electricity exhausts the defect that excavator cannot normally start to solve in prior art excavator airborne communication terminal service time after switch-off.
In order to reach above-mentioned purpose, solution of the present utility model is:
Extend a device for excavator airborne communication terminal standby time, mainly comprise microcontroller, data acquisition module, storage battery electric power detection module and wireless communication module; The data input pin of described microcontroller and described data acquisition module are electrically connected with Information Monitoring data; Detection input and the described storage battery electric power detection module of described microcontroller are electrically connected, to estimate storage battery electricity and to arrange the Wireless Data Transmission cycle; Data output end and the described wireless communication module of described microcontroller are electrically connected to carry out Wireless Data Transmission.
Described data acquisition module is electrically connected by the data input pin of CAN interface and described microcontroller.
After adopting such scheme, it is high that the utility model provides a kind of certainty of measurement, and stability is strong, the device of practical safe and reliable prolongation excavator airborne communication terminal standby time.The beneficial effect brought relative to prior art the utility model is mainly manifested in: after excavator switch-off, by the detection of storage battery electric power detection module to airborne storage battery relevant parameter, estimate storage battery dump energy by microcontroller and the data transfer cycle of wireless communication module is set, and by this periodic awakening wireless communication module, and when airborne storage battery dump energy not enough preset value (such as 10%), airborne communication terminal automatic shutdown.The method not only reduces the power consumption of excavator airborne communication terminal, and extend application life and the stand-by time of the airborne storage battery of excavator, what effectively avoid that excavator causes because airborne storage battery electricity exhausts the shortcoming such as normally cannot to start, and indirectly improves excavator operating efficiency at the construction field (site).
Accompanying drawing explanation
Fig. 1 is the utility model excavator airborne communication terminal device hardware block diagram;
Fig. 2 is the mode of operation block diagram of the utility model excavator airborne communication terminal device;
Fig. 3 is the workflow diagram of the utility model excavator airborne communication terminal;
Fig. 4 is the data transfer cycle of the utility model wireless communication module after excavator switch-off and airborne storage battery dump energy relation curve.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this case is described in further detail.
The utility model relates to a kind of device extending excavator airborne communication terminal standby time.As shown in Figure 1, airborne communication terminal device comprises microcontroller 1, data acquisition module 2, storage battery electric power detection module 3, (3G) wireless communication module 4, switch power module 5 and locating module 6.(3G) wireless communication module 4 is excavator airborne communication lane terminal power consumption the best parts, so the emphasis reducing communication terminal power consumption is the power consumption reducing (3G) wireless communication module 4, in order to reduce the power consumption of (3G) wireless communication module 4, the utility model is taked to carry out rational control action to its data transfer cycle, to realize prolongs standby time object after vehicle is flame-out.
Described switch power module 5 provides working power for (3G) wireless communication module 4, described data acquisition module 2 and locating module 6 are all electrically connected the data input pin of microcontroller 1, and being gathered by data acquisition module 2 and locating module 6 needs the related data such as excavator state parameter, positional information of transmission and be transferred to microcontroller 1.Storage battery electric power detection module 3 and the airborne storage battery of excavator are set up and are electrically connected, this storage battery electric power detection module 3 is electrically connected the detection input of microcontroller 1, by the relevant parameter of storage battery electric power detection module 3 harvester live bottle, and be transferred to microcontroller 1, storage battery electricity is estimated by microcontroller 1, according to relevant plug-in (data transmission and the inverse ratio functional relation of dump energy of wireless communication module), arrange and control the data transfer cycle of wireless communication module 4.Data output end and the wireless communication module 4 of microcontroller 1 are electrically connected, to realize external Wireless Data Transmission effect.
As the preferred embodiment of the utility model airborne communication terminal device hardware one, described microcontroller 1 adopts the IC chip of STM32F103 model, (3G) wireless communication module 4 adopts the SIM5218E module of SIMCOM company, storage battery electric power detection module 3 adopts the MM912J637 intelligent battery sensor of Freescale Semiconductor, it can be measured the voltage of lead-acid battery, electric current and temperature exactly and calculate the state of battery, even also can complete under severe driving states.The UM220 module that locating module 6 is and core star is logical, this module supports BD2 and GPS dual system co-located, and only only has the super low-power consumption of 350mW.Described data acquisition module 2 is electrically connected by the data input pin of CAN interface and RS-232 interface and microcontroller 1.Here it should be noted that, the each module of this novel airborne communication terminal and function that each module possesses are existing attainable known technology, and this novel core innovative point is that the electrical connection combination of each module reaches the object of prolongs standby time.
The device of this novel described prolongation excavator airborne communication terminal standby time, the mode of operation of its method of work with reference to Fig. 2 communication terminal and the workflow diagram of Fig. 3, comprise the following steps:
1), after machine to be excavated is shut down and stopped working, microcontroller 1 makes wireless communication module 4 enter sleep pattern by AT instruction and arranges the timing of timer, and microcontroller 1 enters sleep pattern;
2) after the time reaches the Preset Time of timer, produce an Interruption, in interrupt service routine, wake microcontroller 1 up;
3) after microcontroller 1 is waken up, data acquisition module 2 collection needs the related data of the excavator transmitted, microcontroller 1 is by AT instruction wake on wireless communication module 4 and carry out a Wireless Data Transmission, and the relevant parameter of the airborne storage battery of storage battery electric power detection module 3 acquisition testing sends microcontroller 1 at (comprising voltage, electric current, temperature etc.);
4) microcontroller 1 is according to formula estimation storage battery dump energy, if lower than preset value time, control communication terminal power-off shutdown; Otherwise, microcontroller 1 makes wireless communication module 4 enter sleep pattern by AT instruction, and according to the storage battery dump energy estimated, according to the inverse ratio functional relation of data transfer cycle and dump energy, reset the timing of timer, microcontroller 1 enters sleep pattern;
5) execution step 2 is returned).
Preferably, described step 1) in, can set excavator after the flame-out full Preset Time (such as a hour) of shutdown, microcontroller 1 and wireless communication module 4 enter sleep pattern.Thus under communication terminal normal mode of operation, excavator runs or stops working less than one hour, and power supply is sufficient, and all functions are normally run.
Preferably, described step 4) in, microcontroller 1 adopts online mode real-time estimation storage battery electricity, and namely excavator airborne communication terminal adds online at software section, the algorithm routine of real-time estimation storage battery electricity.
Preferably, described step 4) in, the preset value of storage battery electricity is 10% electricity.When the airborne storage battery electricity of excavator remains 10%, power supply is cut off completely, and airborne communication terminal closedown, communication terminal enters shutdown mode.
Preferably, described step 4) in, the inverse ratio functional relation of data transfer cycle and dump energy is exponential function relation, i.e. y=ae
-cx+ b, wherein a, b, c are constant coefficient, and independent variable x is dump energy, and dependent variable y is data transfer cycle.A concrete embodiment, exponential function relation formula is y=e
(-x/20+9)+ 5,10≤x≤100.This exponential function curve is with reference to shown in Fig. 4, and microcontroller 1, with the dump energy x of estimation, arranges the data transfer cycle y of wireless communication module 4, and by this periodic awakening wireless communication module 4.Carry out a data transmission after wireless communication module 4 is waken up, then enter park mode, wait for and being waken up next time.
The foregoing is only preferred embodiment of the present utility model, all equalizations done with the utility model right change and modify, and all should belong to the scope of the utility model claim.
Claims (2)
1. extend a device for excavator airborne communication terminal standby time, it is characterized in that: mainly comprise microcontroller, data acquisition module, storage battery electric power detection module and wireless communication module; The data input pin of described microcontroller and described data acquisition module are electrically connected with Information Monitoring data; Detection input and the described storage battery electric power detection module of described microcontroller are electrically connected, to estimate storage battery electricity and to arrange the Wireless Data Transmission cycle; Data output end and the described wireless communication module of described microcontroller are electrically connected to carry out Wireless Data Transmission.
2. a kind of device extending excavator airborne communication terminal standby time as claimed in claim 1, is characterized in that: described data acquisition module is electrically connected by the data input pin of CAN interface and described microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420219917.6U CN204080913U (en) | 2014-04-30 | 2014-04-30 | A kind of device extending excavator airborne communication terminal standby time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420219917.6U CN204080913U (en) | 2014-04-30 | 2014-04-30 | A kind of device extending excavator airborne communication terminal standby time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204080913U true CN204080913U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420219917.6U Expired - Fee Related CN204080913U (en) | 2014-04-30 | 2014-04-30 | A kind of device extending excavator airborne communication terminal standby time |
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| CN (1) | CN204080913U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103981919A (en) * | 2014-04-30 | 2014-08-13 | 华侨大学 | Device and method for prolonging standby time of onboard communication terminal of excavator |
| CN105738823A (en) * | 2016-02-17 | 2016-07-06 | 吴伟民 | Vehicle battery electric quantity prompting method and system |
-
2014
- 2014-04-30 CN CN201420219917.6U patent/CN204080913U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103981919A (en) * | 2014-04-30 | 2014-08-13 | 华侨大学 | Device and method for prolonging standby time of onboard communication terminal of excavator |
| CN103981919B (en) * | 2014-04-30 | 2016-10-05 | 华侨大学 | A kind of devices and methods therefor extending excavator airborne communication terminal standby time |
| CN105738823A (en) * | 2016-02-17 | 2016-07-06 | 吴伟民 | Vehicle battery electric quantity prompting method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20160430 |