CN105698778A - Three-dimensional magnetic resistance type electronic compass and method - Google Patents

Three-dimensional magnetic resistance type electronic compass and method Download PDF

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Publication number
CN105698778A
CN105698778A CN201610174156.0A CN201610174156A CN105698778A CN 105698778 A CN105698778 A CN 105698778A CN 201610174156 A CN201610174156 A CN 201610174156A CN 105698778 A CN105698778 A CN 105698778A
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China
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sending
message
mass
information
notebook computer
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CN201610174156.0A
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王啸东
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Nanjing Institute of Railway Technology
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Nanjing Institute of Railway Technology
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Priority to CN201610174156.0A priority Critical patent/CN105698778A/en
Publication of CN105698778A publication Critical patent/CN105698778A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C17/00Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • G01C17/02Magnetic compasses
    • G01C17/28Electromagnetic compasses
    • G01C17/32Electron compasses

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention relates to a three-dimensional magnetic resistance type electronic compass and a method. The three-dimensional magnetic resistance type electronic compass comprises a DSP (digital signal processor) minimum system, wherein the DSP minimum system comprises a TMS320C713 chip; a JTAG interface, an expansion interface, an external memory, a reset circuit and a power supply circuit are connected with the TMS320C713 chip; the three-dimensional magnetic resistance type electronic compass also comprises a support plate and a longitudinal sheet; the support plate is used for carrying an external memory; the longitudinal sheet is used for maintaining a 90-degree included angle with the support plate used for carrying the external memory; the support plate used for carrying the external memory is connected with the longitudinal sheet. The method is combined for avoiding the defects that in the prior art, the occupied space is large; the longitudinal span of the external memory is great; the erection is difficult; the total load is great; the moving is difficult; the selective cooling cannot be executed according to structures of assemblies in a storage cabinet; the compatibility is low; the additional electricity consumption is caused for instruction processing.

Description

Three-Dimensional Magnetic resistive electronic compass and method
Technical field
The invention belongs to electronic compass technology field, be specifically related to a kind of Three-Dimensional Magnetic resistive electronic compass and method。
Background technology
Magnetic resistance electronic compass, particularly the selection of the three-dimensional duty of magnetic resistance electronic compass, performance and device is closely bound up, the performance of main devices determines precision and the stability of whole electronic compass to a great extent, so the device when hardware circuit design selects necessary prudent。In view of considering of cost, expectation index and the scope of use, the main parts selected are mainly existing anisotropic magnetoresistive sensor, two axle acceleration sensors and data acquisition process chip and dsp chip etc.。
In order to improve information interactive efficiency, often dsp chip is connected with notebook computer by serial ports, notebook computer communicates with server again through wireless network card, and notebook computer is with carrying out with the switch in network often by notebook computer between server, and information is mutual and transfer communication, it is eventually sent to server, but for the notebook computer establishing communication link with the switch in network, if in the face of the tracking message of communication link is set up in the requirement of switch mass-sending, or analysis can be performed, this results in extra electrical loss to carry out the process of instruction。
Additionally often adopt external memory storage that information is stored in dsp chip, so may result in and read frequently and write, the temperature making external memory storage sharply increases, and typically contain currently for the cooling device of external memory storage and store cabinet, store the gripper shoe set up in cabinet for placing external memory storage, the assembly of external memory storage all relies on designing requirement to be set up in the gripper shoe for placing external memory storage, being used for placing, the diapire of the gripper shoe of external memory storage is erected with some longitudinal slices longitudinally through groove, so store cabinet rest on pedestal time, block with pedestal being used for the gripper shoe placing external memory storage with some longitudinal slices longitudinally through groove, intensification region is prevented to concentrate in together, additionally it is easy to air-flow longitudinally through groove unimpeded, improve the efficiency of cooling, but the problem of this type of refrigeration plant is that the space taken is not little, because being provided with some longitudinal slices longitudinally through groove, add the cooled region keeping a lot, have to no small longitudinal span with some longitudinal slices longitudinally through groove, the longitudinal span thus making external memory storage is not little, it is difficult to set up, thus not meeting present components and parts is the direction increasingly tending to miniaturization, additionally all of assembly General load is big, move and be not easy, can not regulate plus the framework storing cabinet, can not according to the component architecture stored inside cabinet, execution possesses selective cooling, compatibility is not strong。
Summary of the invention
It is an object of the invention to provide a kind of Three-Dimensional Magnetic resistive electronic compass and method, it is to avoid the space longitudinal span not little, external memory storage taken in prior art is not little, be difficult to erection, General load move greatly be not easy, can not perform to possess selective cooling according to the component architecture stored inside cabinet, compatible strong and result in extra electrical loss to carry out the defect of the process of instruction。
In order to overcome deficiency of the prior art, the invention provides the solution of a kind of Three-Dimensional Magnetic resistive electronic compass and method, specific as follows:
A kind of Three-Dimensional Magnetic resistive electronic compass, including DSP minimum system, described DSP minimum system includes TMS320C713 chip, jtag interface, expansion interface, external memory storage, reset circuit and power circuit are all connected with described TMS320C713 chip, the serial ports of described TMS320C713 chip is connected with the serial ports with serial ports with the notebook computer of wireless network card, and the wireless network card of described notebook computer communicates connection by the switch in network with server;
Additionally include gripper shoe B1 and the longitudinal slice B2 keeping 90 degree of angles with the gripper shoe B1 for placing external memory storage for placing external memory storage, the described gripper shoe B1 being used for placing external memory storage is connected with longitudinal slice B2, described being used for is placed on the gripper shoe B1 of external memory storage with the fixed field B4 being used for fixing external memory storage, external memory storage is just erected in the fixed field B4 being used for fixing external memory storage, described in be used for fixing in the fixed field B4 of external memory storage also with several positioning ports B5;Some positioning port B5 are evenly distributed shape, keep identical distance between the positioning port B5 additionally adjoined;Described longitudinal slice B2 sets up some fixed field B3 for setting up miniature electric hair-dryer, temperature-reducing tablet is embedded in positioning port B5, described temperature-reducing tablet B7 contains pedestal B71, described pedestal B71's while being connected to some refrigeration bar B72 arranged side by side, the wall of the another side of described pedestal B71 can be used for contacting to play a supporting role with external memory storage, the lower end of described temperature-reducing tablet B7 is with some location bar B73, described location bar B73 is embedded in positioning port B5 in the way of interlocking, distance between the described positioning port B5 adjoined is consistent with the distance between the positioning port B5 adjoined;Additionally miniature electric hair-dryer B6 is set up in the fixed field B3 for setting up miniature electric hair-dryer, described miniature electric hair-dryer B6 contains the bearing B61 for supporting miniature electric hair-dryer B6, the described bearing B61 being used for supporting miniature electric hair-dryer B6 is pinned on the fixed field B3 for setting up miniature electric hair-dryer via pin-and-hole B62, additionally possibly together with the roller B63 being set up on the bearing B61 for supporting miniature electric hair-dryer B6 and fin B64;Described roller B63 contains for connecting the bracing beam B631 of fin B64, supporting seat B632, roll body B6333 and pivoting support B634, described roll body B633 is set up on supporting seat B632 via pivoting support B634, the bracing beam B631 being used for connecting fin B64 is set up in the more high position than roll body B6333, and described fin B64 is set up in for connecting around the bracing beam B631 of fin B64。
The method of Three-Dimensional Magnetic resistive electronic compass is that step is as follows:
After step 1:TMS320C713 chip is delivered to notebook computer by serial ports information, if notebook computer to carry out information transmission with server, namely when notebook computer carries out information transmission by the switch in network with server, being provided with information communication module and information analysis module in notebook computer, described information communication module sets up the tracking message of communication link for the requirement accepting switch mass-sending;Described information analysis module, it is used for obtaining No. IP of the sender following the tracks of message following the tracks of the kind of message, described mass-sending of switch mass-sending, and, if the requirement that the tracking message of described mass-sending is switch mass-sending set up No. IP of the sender following the tracks of message following the tracks of message and described mass-sending of communication link constructed with described notebook computer No. IP of the node that the information of communication link forwards consistent time, notebook computer described like that is given up the requirement of described switch mass-sending and is set up other message informations following the tracks of message of communication link;
Further, described information communication module obtains the kind following the tracks of message of described mass-sending by the COS of the heading following the tracks of message of described mass-sending, in the present invention, can analyze just for some information and executing of the heading following the tracks of message of described mass-sending, thus obtain the kind following the tracks of message of described mass-sending, so can more efficiently enter the confirmation of next stage, thus the tracking message in described mass-sending be the requirement of switch mass-sending set up No. IP of the sender following the tracks of message following the tracks of message and described mass-sending of communication link constructed with described notebook computer No. IP of the node that the information of communication link forwards consistent time, it is no need for carrying out the analysis of next stage, so prevent from the unnecessary waste of energy。
Further, described information communication module is obtained the kind following the tracks of message of described mass-sending by the type of service field of the heading following the tracks of message of described mass-sending, in the present embodiment, and this type of service field includes the first field and the second field, first field of described type of service field and the second field identify the kind following the tracks of message of described mass-sending, in conjunction with the present embodiment, when the character of the first field and the second field that notebook computer analyzes this type of service field is " 10 " and " 1110 " respectively, it is assumed that the tracking message of communication link is set up in the requirement that the tracking message going out described mass-sending is switch mass-sending, extremely efficiently carry out the identification of next stage, thus the tracking message in described mass-sending be the requirement of switch mass-sending set up No. IP of the sender following the tracks of message following the tracks of message and described mass-sending of communication link constructed with described notebook computer No. IP of the node that the information of communication link forwards consistent time, it is no need for carrying out the analysis of next stage, so prevent from the unnecessary waste of energy, there is no doubt that and also be able to be adopted by the character of the first field of type of service field Yu the second field the requirement that other character information assert that switch is mass-sended to set up the tracking message of communication link, this is mathematical。
Further, notebook computer is possibly together with information analysis module, the signal reception power RSRP of the tracking message of the mass-sending that storage is described is anterior power information, and the signal reception power RSRP storing the message passed from the last time in the switch constituting communication link with described notebook computer before the tracking message accepting described mass-sending is rear portion power information;And, the described mass-sending described in information communication module identification follow the tracks of No. IP of sender of message constructed with described notebook computer No. IP of the node that the information of communication link forwards inconsistent time, also continue to judge whether described anterior power information is not less than rear portion power information, if it is determined that the result being no less than, then described notebook computer continues to analyze the requirement of described switch mass-sending and sets up the tracking message of communication link;In the present embodiment, the signal of the message information accepted can be received power and perform detection and storage by described notebook computer, namely signal receives power RSRP as index, the described mass-sending described in information communication module identification follow the tracks of No. IP of sender of message constructed with described notebook computer No. IP of the node that the information of communication link forwards inconsistent time, also continue to judge whether described anterior power information is not less than rear portion power information, if it is determined that the result being no less than, so described notebook computer continues to analyze the requirement of described switch mass-sending and sets up the tracking message of communication link, the information transfer efficiency that so can improve。
Further, the described mass-sending described in information communication module identification follow the tracks of No. IP of sender of message constructed with described notebook computer No. IP of the node that the information of communication link forwards inconsistent time, also continue to judge that whether described anterior power information is less than rear portion power information, if it is determined that the result being less than, then described notebook computer is just given up the requirement of described switch mass-sending and set up the tracking message of communication link。
Such structure, it becomes possible to jointly perform the cooling process for external memory storage via miniature electric hair-dryer B6 and temperature-reducing tablet B7;The edge that described miniature electric hair-dryer B6 is set up in external memory storage blows cooling to external memory storage, in conjunction with temperature-reducing tablet and described in be used for fixing the fixed field B4 of external memory storage with several positioning ports B5, thus just can set up the temperature-reducing tablet of random number and profile, can also accomplish to be set up in various place, significantly improve it compatible, in addition motor-driven erection, so can be achieved with selectively cooling down, avoid and to the cooling of external memory storage each several part, the external memory storage scope of taking up room can only can be limited in little scope。
Accompanying drawing explanation
Fig. 1 is the front view of the Three-Dimensional Magnetic resistive electronic compass of the present invention。
Fig. 2 is the connection diagram of the gripper shoe for placing external memory storage of the present invention。
Fig. 3 is the connection diagram in an orientation of the gripper shoe for placing external memory storage of the present invention。
Fig. 4 is the structural representation of the temperature-reducing tablet of the present invention。
Fig. 5 is the structural representation of the miniature electric hair-dryer of the present invention。
Fig. 6 is the structural representation of the roller of the present invention。
Detailed description of the invention
Below in conjunction with drawings and Examples, summary of the invention is described further:
With reference to shown in Fig. 1-Fig. 6, Three-Dimensional Magnetic resistive electronic compass, including DSP minimum system, described DSP minimum system includes TMS320C713 chip, jtag interface, expansion interface, external memory storage, reset circuit and power circuit are all connected with described TMS320C713 chip, the serial ports of described TMS320C713 chip is connected with the serial ports with serial ports with the notebook computer of wireless network card, and the wireless network card of described notebook computer communicates connection by the switch in network with server;
Additionally include gripper shoe B1 and the longitudinal slice B2 keeping 90 degree of angles with the gripper shoe B1 for placing external memory storage for placing external memory storage, the described gripper shoe B1 being used for placing external memory storage is connected with longitudinal slice B2, described being used for is placed on the gripper shoe B1 of external memory storage with the fixed field B4 being used for fixing external memory storage, external memory storage is just erected in the fixed field B4 being used for fixing external memory storage, described in be used for fixing in the fixed field B4 of external memory storage also with several positioning ports B5;Some positioning port B5 are evenly distributed shape, keep identical distance between the positioning port B5 additionally adjoined;Described longitudinal slice B2 sets up some fixed field B3 for setting up miniature electric hair-dryer, temperature-reducing tablet is according to the requirement of the fixed field B4 the being used for fixing external memory storage external memory storage fixed, it is embedded in positioning port B5, if there being the external memory storage must other the type of cooling, just erection temperature-reducing tablet is on this external memory storage side, this external memory storage can also be contacted straight with temperature-reducing tablet and arrange, described temperature-reducing tablet B7 contains pedestal B71, described pedestal B71's while being connected to some refrigeration bar B72 arranged side by side, the wall of the another side of described pedestal B71 can be used for contacting to play a supporting role with external memory storage, the lower end of described temperature-reducing tablet B7 is with some location bar B73, described location bar B73 is embedded in positioning port B5 in the way of interlocking, distance between the described positioning port B5 adjoined is consistent with the distance between the positioning port B5 adjoined;The shape because some positioning port B5 are evenly distributed, identical distance is kept between the positioning port B5 additionally adjoined, so can rely on the temperature-reducing tablet B7 requiring to access various number with shape, additionally temperature-reducing tablet B7 also is able to be positioned various place, improve compatibility and the ductility of this cooling element well, additionally can also motor-driven set up, so can be achieved with selectively cooling down, avoid and to the cooling of external memory storage each several part, the external memory storage scope of taking up room can only can be limited in little scope;Additionally miniature electric hair-dryer B6 is set up in the fixed field B3 for setting up miniature electric hair-dryer, described miniature electric hair-dryer B6 contains the bearing B61 for supporting miniature electric hair-dryer B6, the described bearing B61 being used for supporting miniature electric hair-dryer B6 is pinned on the fixed field B3 for setting up miniature electric hair-dryer via pin-and-hole B62, additionally possibly together with the roller B63 being set up on the bearing B61 for supporting miniature electric hair-dryer B6 and fin B64;Described roller B63 contains for connecting the bracing beam B631 of fin B64, supporting seat B632, roll body B6333 and pivoting support B634, described roll body B633 is set up on supporting seat B632 via pivoting support B634, the bracing beam B631 being used for connecting fin B64 is set up in the more high position than roll body B6333, can round supporting seat B632 turn, described fin B64 is set up in for connecting around the bracing beam B631 of fin B64, framework inside described roller B63 is uncomplicated, and structure of being not difficult, additionally expense is not high。Fig. 2 is exactly a pair temperature-reducing tablet, and the different framework of profile is arranged。
Such structure, it becomes possible to jointly perform the cooling process for external memory storage via miniature electric hair-dryer B6 and temperature-reducing tablet B7;The edge that described miniature electric hair-dryer B6 is set up in external memory storage blows cooling to external memory storage, in conjunction with temperature-reducing tablet and described in be used for fixing the fixed field B4 of external memory storage with several positioning ports B5, thus just can set up the temperature-reducing tablet of random number and profile, can also accomplish to be set up in various place, significantly improve it compatible, in addition motor-driven erection, so can be achieved with selectively cooling down, avoid and to the cooling of external memory storage each several part, the external memory storage scope of taking up room can only can be limited in little scope。
The number of the described fixed field B3 being used for setting up miniature electric hair-dryer is a pair。
Described be used for set up miniature electric hair-dryer fixed field B3 limit on set up sheath body B31, be used for avoid miniature electric hair-dryer movable part operationally, the injury to operational staff can be there is in its activity。
The method of Three-Dimensional Magnetic resistive electronic compass is that step is as follows:
After step 1:TMS320C713 chip is delivered to notebook computer by serial ports information, if notebook computer to carry out information transmission with server, namely when notebook computer carries out information transmission by the switch in network with server, being provided with information communication module and information analysis module in notebook computer, described information communication module sets up the tracking message of communication link for the requirement accepting switch mass-sending;Described information analysis module, it is used for obtaining No. IP of the sender following the tracks of message following the tracks of the kind of message, described mass-sending of switch mass-sending, and, if the requirement that the tracking message of described mass-sending is switch mass-sending set up No. IP of the sender following the tracks of message following the tracks of message and described mass-sending of communication link constructed with described notebook computer No. IP of the node that the information of communication link forwards consistent time, notebook computer described like that is given up the requirement of described switch mass-sending and is set up other message informations following the tracks of message of communication link;
Further, described information communication module obtains the kind following the tracks of message of described mass-sending by the COS of the heading following the tracks of message of described mass-sending, in the present invention, can analyze just for some information and executing of the heading following the tracks of message of described mass-sending, thus obtain the kind following the tracks of message of described mass-sending, so can more efficiently enter the confirmation of next stage, thus the tracking message in described mass-sending be the requirement of switch mass-sending set up No. IP of the sender following the tracks of message following the tracks of message and described mass-sending of communication link constructed with described notebook computer No. IP of the node that the information of communication link forwards consistent time, it is no need for carrying out the analysis of next stage, so prevent from the unnecessary waste of energy。
Further, described information communication module is obtained the kind following the tracks of message of described mass-sending by the type of service field of the heading following the tracks of message of described mass-sending, in the present embodiment, and this type of service field includes the first field and the second field, first field of described type of service field and the second field identify the kind following the tracks of message of described mass-sending, in conjunction with the present embodiment, when the character of the first field and the second field that notebook computer analyzes this type of service field is " 10 " and " 1110 " respectively, it is assumed that the tracking message of communication link is set up in the requirement that the tracking message going out described mass-sending is switch mass-sending, extremely efficiently carry out the identification of next stage, thus the tracking message in described mass-sending be the requirement of switch mass-sending set up No. IP of the sender following the tracks of message following the tracks of message and described mass-sending of communication link constructed with described notebook computer No. IP of the node that the information of communication link forwards consistent time, it is no need for carrying out the analysis of next stage, so prevent from the unnecessary waste of energy, there is no doubt that and also be able to be adopted by the character of the first field of type of service field Yu the second field the requirement that other character information assert that switch is mass-sended to set up the tracking message of communication link, this is mathematical。
Further, notebook computer is possibly together with information analysis module, the signal reception power RSRP of the tracking message of the mass-sending that storage is described is anterior power information, and the signal reception power RSRP storing the message passed from the last time in the switch constituting communication link with described notebook computer before the tracking message accepting described mass-sending is rear portion power information;And, the described mass-sending described in information communication module identification follow the tracks of No. IP of sender of message constructed with described notebook computer No. IP of the node that the information of communication link forwards inconsistent time, also continue to judge whether described anterior power information is not less than rear portion power information, if it is determined that the result being no less than, then described notebook computer continues to analyze the requirement of described switch mass-sending and sets up the tracking message of communication link;In the present embodiment, the signal of the message information accepted can be received power and perform detection and storage by described notebook computer, namely signal receives power RSRP as index, the described mass-sending described in information communication module identification follow the tracks of No. IP of sender of message constructed with described notebook computer No. IP of the node that the information of communication link forwards inconsistent time, also continue to judge whether described anterior power information is not less than rear portion power information, if it is determined that the result being no less than, so described notebook computer continues to analyze the requirement of described switch mass-sending and sets up the tracking message of communication link, the information transfer efficiency that so can improve。
Further, the described mass-sending described in information communication module identification follow the tracks of No. IP of sender of message constructed with described notebook computer No. IP of the node that the information of communication link forwards inconsistent time, also continue to judge that whether described anterior power information is less than rear portion power information, if it is determined that the result being less than, then described notebook computer is just given up the requirement of described switch mass-sending and set up the tracking message of communication link;In the present embodiment, the signal of the message information accepted can be received power and perform detection and storage by described notebook computer, namely signal receives power RSRP as index, the described mass-sending described in information communication module identification follow the tracks of No. IP of sender of message constructed with described notebook computer No. IP of the node that the information of communication link forwards inconsistent time, also continue to judge that whether described anterior power information is less than rear portion power information, if it is determined that the result being less than, so described notebook computer is just given up the requirement analyzing described switch mass-sending and is set up the tracking message of communication link and change without making, the information transfer efficiency that so can improve can also power saving, save cost。
The above, it it is only presently preferred embodiments of the present invention, not the present invention is done any pro forma restriction, although the present invention is disclosed above with preferred embodiment, but it is not limited to the present invention, any those skilled in the art, without departing within the scope of technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or is modified to the Equivalent embodiments of equivalent variations, in every case it is without departing from technical solution of the present invention content, technical spirit according to the present invention, within the spirit and principles in the present invention, the any simple amendment that above example is made, equivalent replacement and improvement etc., all still fall within the protection domain of technical solution of the present invention。

Claims (4)

1. a Three-Dimensional Magnetic resistive electronic compass, it is characterized in that, including DSP minimum system, described DSP minimum system includes TMS320C713 chip, jtag interface, expansion interface, external memory storage, reset circuit and power circuit are all connected with described TMS320C713 chip, the serial ports of described TMS320C713 chip is connected with the serial ports with serial ports with the notebook computer of wireless network card, and the wireless network card of described notebook computer communicates connection by the switch in network with server;
Additionally include the gripper shoe for placing external memory storage and the longitudinal slice keeping 90 degree of angles with the gripper shoe for placing external memory storage, the described gripper shoe being used for placing external memory storage is connected with longitudinal slice, described being used for is placed in the gripper shoe of external memory storage with the fixed field being used for fixing external memory storage, external memory storage is just erected in the fixed field being used for fixing external memory storage, described in be used for fixing in the fixed field of external memory storage also with several positioning ports;Some positioning ports are evenly distributed shape, keep identical distance between the positioning port additionally adjoined;Described longitudinal slice sets up some fixed fields for setting up miniature electric hair-dryer, temperature-reducing tablet is embedded in positioning port, described temperature-reducing tablet contains pedestal, described pedestal while being connected to some refrigeration bars arranged side by side, the wall of the another side of described pedestal can be used for contacting to play a supporting role with external memory storage, the lower end of described temperature-reducing tablet is with some location bar, described location bar is embedded in positioning port in the way of interlocking, described in distance between the positioning port that adjoins consistent with the distance between the positioning port adjoined;Additionally miniature electric hair-dryer is set up in the fixed field B3 for setting up miniature electric hair-dryer, described miniature electric hair-dryer contains the bearing for supporting miniature electric hair-dryer, the described bearing being used for supporting miniature electric hair-dryer is pinned in the fixed field for setting up miniature electric hair-dryer via pin-and-hole, additionally possibly together with the roller being set up on the bearing for supporting miniature electric hair-dryer and fin;Described roller contains for connecting the bracing beam of fin, supporting seat, roll body and pivoting support, described roll body is set up on supporting seat via pivoting support, the bracing beam being used for connecting fin is set up in the more high position than roll body, and described fin is set up in for connecting around the bracing beam of fin。
2. Three-Dimensional Magnetic resistive electronic compass according to claim 1, it is characterised in that the number of the described fixed field being used for setting up miniature electric hair-dryer is a pair。
3. Three-Dimensional Magnetic resistive electronic compass according to claim 1, it is characterised in that set up sheath body on the limit of the described fixed field for setting up miniature electric hair-dryer。
4. the method for Three-Dimensional Magnetic resistive electronic compass according to claim 1 is, it is characterised in that step is as follows:
After step 1:TMS320C713 chip is delivered to notebook computer by serial ports information, if notebook computer to carry out information transmission with server, namely when notebook computer carries out information transmission by the switch in network with server, being provided with information communication module and information analysis module in notebook computer, described information communication module sets up the tracking message of communication link for the requirement accepting switch mass-sending;Described information analysis module, it is used for obtaining No. IP of the sender following the tracks of message following the tracks of the kind of message, described mass-sending of switch mass-sending, and, if the requirement that the tracking message of described mass-sending is switch mass-sending set up No. IP of the sender following the tracks of message following the tracks of message and described mass-sending of communication link constructed with described notebook computer No. IP of the node that the information of communication link forwards consistent time, notebook computer described like that is given up the requirement of described switch mass-sending and is set up other message informations following the tracks of message of communication link;
Described information communication module obtains the kind following the tracks of message of described mass-sending by the COS of the heading following the tracks of message of described mass-sending, in the present invention, can analyze just for some information and executing of the heading following the tracks of message of described mass-sending, thus obtain the kind following the tracks of message of described mass-sending, so can more efficiently enter the confirmation of next stage, thus the tracking message in described mass-sending be the requirement of switch mass-sending set up No. IP of the sender following the tracks of message following the tracks of message and described mass-sending of communication link constructed with described notebook computer No. IP of the node that the information of communication link forwards consistent time, it is no need for carrying out the analysis of next stage;
Described information communication module is obtained the kind following the tracks of message of described mass-sending by the type of service field of the heading following the tracks of message of described mass-sending, in the present embodiment, and this type of service field includes the first field and the second field, first field of described type of service field and the second field identify the kind following the tracks of message of described mass-sending, in conjunction with the present embodiment, when the character of the first field and the second field that notebook computer analyzes this type of service field is " 10 " and " 1110 " respectively, it is assumed that the tracking message of communication link is set up in the requirement that the tracking message going out described mass-sending is switch mass-sending, thus the tracking message in described mass-sending be the requirement of switch mass-sending set up No. IP of the sender following the tracks of message following the tracks of message and described mass-sending of communication link constructed with described notebook computer No. IP of the node that the information of communication link forwards consistent time, it is no need for carrying out the analysis of next stage;
Notebook computer is possibly together with information analysis module, the signal reception power RSRP of the tracking message of the mass-sending that storage is described is anterior power information, and the signal reception power RSRP storing the message passed from the last time in the switch constituting communication link with described notebook computer before the tracking message accepting described mass-sending is rear portion power information;And, the described mass-sending described in information communication module identification follow the tracks of No. IP of sender of message constructed with described notebook computer No. IP of the node that the information of communication link forwards inconsistent time, also continue to judge whether described anterior power information is not less than rear portion power information, if it is determined that the result being no less than, then described notebook computer continues to analyze the requirement of described switch mass-sending and sets up the tracking message of communication link;In the present embodiment, the signal of the message information accepted can be received power and perform detection and storage by described notebook computer, namely signal receives power RSRP as index, the described mass-sending described in information communication module identification follow the tracks of No. IP of sender of message constructed with described notebook computer No. IP of the node that the information of communication link forwards inconsistent time, also continue to judge whether described anterior power information is not less than rear portion power information, if it is determined that the result being no less than, so described notebook computer continues to analyze the requirement of described switch mass-sending and sets up the tracking message of communication link;
The described mass-sending described in information communication module identification follow the tracks of No. IP of sender of message constructed with described notebook computer No. IP of the node that the information of communication link forwards inconsistent time, also continue to judge that whether described anterior power information is less than rear portion power information, if it is determined that the result being less than, then described notebook computer is just given up the requirement of described switch mass-sending and set up the tracking message of communication link。
CN201610174156.0A 2016-03-24 2016-03-24 Three-dimensional magnetic resistance type electronic compass and method Pending CN105698778A (en)

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Application publication date: 20160622