CN201503589U - Read-write device and read-write system for magnetic tag of petrochemical equipment - Google Patents
Read-write device and read-write system for magnetic tag of petrochemical equipment Download PDFInfo
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- CN201503589U CN201503589U CN2009201682657U CN200920168265U CN201503589U CN 201503589 U CN201503589 U CN 201503589U CN 2009201682657 U CN2009201682657 U CN 2009201682657U CN 200920168265 U CN200920168265 U CN 200920168265U CN 201503589 U CN201503589 U CN 201503589U
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Abstract
The utility model relates to a read-write device and a read-write system for a magnetic tag of petrochemical equipment. The read-write device comprises a sensor matrix unit for detecting the magnetic tag and generating magnetic induction intensity data according to the magnetic induction intensity of a magnetizer in the magnetic tag, a data conversion unit for converting the magnetic induction intensity data into binary-coded data; and a data processing unit for generating tag information according to the received binary-coded data. The read-write device and the read-write system for the magnetic tag of the petrochemical equipment, which are provided by the utility model, overcome the problem that in the prior art, the RF electronic tag and the conventional tag cannot be applied in the harsh environment, can operate stably for a long time under the condition of high temperature, high pressure and high friction, and meet the requirements of the extremely harsh working condition.
Description
This case is that application number is 200820233745.2, and the applying date is on Dec 23rd, 2008, and denomination of invention is divided an application for " a kind of landification equipment magnetic label and read-write equipment thereof and system " a case.
Technical field
The utility model is about the information tracing of petrochemical complex equipment and the technical field of management, especially about a kind of landification equipment magnetic label read-write equipment and system.
Background technology
At present, for guaranteeing the normal use of petrochemical complex equipment, can adopt artificial recording mode to set up complete archives fully for each socle oiling frock, and on the petrochemical complex equipment, make and the corresponding mark of archives, so that in management in the future, transfer corresponding with it archives, so that each socle oiling frock of safety management is equipped with by the mark on the equipment.
In the prior art, adopt usually hang tag, paste nameplate, bar code, beat mode such as grade of steel and on petrochemical complex is equipped, make mark.Yet, in use there are following two kinds of problems in existing these mark modes: at first, because some armament-related work environment are abominable, as: high migration, extremely cold area, marsh land, be in for a long time under high friction, the highly corrosive condition of work, service time one is long, just may wear away original label, nameplate, bar code, grade of steel; Secondly, because manual record, might make the mistake, insecure record, like this to the management of equipment very dangerous just.
In order to overcome the shortcoming that existing mark can not be applied to rugged surroundings, prior art has proposed a kind of radio electronic label technology, come this equipment is made mark by on petrochemical equipment, implanting the radio frequency electric chip, the mark mode of mentioning in radio electronic label technology and the aforementioned prior art is compared, and has waterproof, wear-resisting, long service life, reads that distance is big, data can encrypt, store that data capacity is bigger, the canned data change waits advantage freely on the label.Yet under a few thing environment harsh conditions, as under the environment of High Temperature High Pressure, radio electronic label also may lose efficacy.
Chinese patent application the 03813299th discloses a kind of magnetic Mk system and manufacture method and manufacturing machine, and this system makes a mark by the ferromagnetic wires that fixed qty is set in advance on a film, and this mark can be used to identification or checking object.The disclosed content of present patent application is herein incorporated, with as prior art of the present utility model.
Chinese patent the 96196373rd discloses a kind of improved magnetic label or sign, and this label can be attached on the article, as the device of these article of identification.The disclosed content of present patent application is herein incorporated, with as prior art of the present utility model.
The utility model content
For overcoming the problem that prior art China Petrochemical Industry equipment label can not be applied to rugged surroundings, the utility model embodiment provides a kind of landification equipment magnetic label and read-write equipment and system, can operation steady in a long-term under the condition of high temperature, high pressure, high friction.
The utility model embodiment provides a kind of landification equipment magnetic label, and described magnetic label comprises: base, constitute by non-magnet material, and be used to be installed in landification equipment; A plurality of magnetic conductors are formed in the described base, and described a plurality of magnetic conductors spacing on first direction equates, and described a plurality of magnetic conductor is equating with spacing on the vertical second direction of described first direction.
The utility model embodiment also provides a kind of landification equipment magnetic label reading device, and described device comprises: the sensor matrices unit is used to detect magnetic label, and generates the magnetic induction density data according to the magnetic induction density of magnetic conductor in the magnetic label; Date Conversion Unit is used for described magnetic induction density data are converted to binary coded data; Data processing unit is used for generating label information according to the binary coded data that receives.
The utility model embodiment also provides a kind of landification equipment magnetic label writing station, and described device comprises: information receiving unit is used to receive label information; Data processing unit is used for generating binary coded data according to described label information; Date Conversion Unit is used for generating the magnetic induction density data according to the binary coded data that receives; Writing unit, the magnetic induction density data that are used for receiving write the nonmagnetic matrix label.
The utility model embodiment also provides a kind of landification equipment magnetic label reading system, described system comprises landification equipment magnetic label reading device and tag control device, described landification equipment magnetic label reading device comprises: the sensor matrices unit, be used to detect magnetic label, and generate the magnetic induction density data according to the magnetic induction density of magnetic conductor in the magnetic label; Date Conversion Unit is used for described magnetic induction density data are converted to binary coded data; Data processing unit is used for generating label information according to the binary coded data that receives.Information output unit is used for the label information output that will generate; Described tag control device comprises: memory cell is used for the mapping relations of stored tag information and landification equipment data; The equipment data generating unit is used for generating landification equipment information according to the mapping relations of label information and landification equipment data; The equipment information output unit is used for the landification equipment information output that will generate.
The landification equipment magnetic label that the utility model embodiment provides has overcome the problem that radio electronic label in the prior art and conventional labels can not be applied to rugged surroundings, can under the condition of high temperature, high pressure, high friction, long-term stability move, satisfy exceedingly odious operating mode demand.
Description of drawings
Accompanying drawing described herein is used to provide the further understanding to the utility model embodiment, constitutes the application's a part, does not constitute the qualification to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the structural drawing of the landification equipment magnetic label that provides of the utility model one embodiment;
Shown in Figure 2 is the structural drawing of the nonmagnetic matrix label of another embodiment of the utility model;
The module map of the nonmagnetic matrix tag reader that Fig. 3 provides for the utility model embodiment;
The module map of the nonmagnetic matrix tag reader that Fig. 4 provides for the utility model embodiment;
The module map of the nonmagnetic matrix label writing station that Fig. 5 provides for the utility model embodiment;
The module map of the nonmagnetic matrix label writing station that Fig. 6 provides for the utility model embodiment;
Fig. 7 to Fig. 9 is the synoptic diagram of the hand-held nonmagnetic matrix label read-write equipment 1000 that provides of the utility model one embodiment;
Figure 10 is the system module figure of the nonmagnetic matrix label reading system 1300 that provides of the utility model embodiment.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment is clearer, below in conjunction with embodiment and accompanying drawing, embodiment is described in further details to the utility model.At this, the exemplary embodiment of the utility model embodiment and explanation thereof are used to explain the utility model embodiment, but not as the qualification to the utility model embodiment.
The utility model embodiment provides a kind of landification equipment magnetic label and read-write equipment and system, below in conjunction with accompanying drawing the utility model is elaborated.
Embodiment one
Fig. 1 is the structural drawing of the landification equipment magnetic label that provides of the utility model one embodiment, and as shown in Figure 1, landification equipment magnetic label 100 comprises base 101 and a plurality of magnetic conductor 103, wherein:
In the present embodiment, the xsect of base 101 is a rectangle, and its length of side is respectively 40mm and 30mm, thickness is 10mm, base 101 is used to be installed in various landification equipments, as the petrochemical industry drilling outfit, and petrochemical industry exploring equipment etc., base 101 can be metal nonmagnetic substance or nonmetallic materials, as teflon, in other embodiment of the present utility model, base 101 can be made into arbitrary shape according to the actual needs, as semisphere, polyhedron etc.
In the present embodiment, base 101 can be embedded in the landification equipment, also can be installed in the optional position of landification equipment by mounting hole, as shown in Figure 1, in an embodiment of the present utility model, comprise 4 mounting holes 105 on the base 101, be used for base 101 is fixed on landification equipment, mounting hole 105 lays respectively on four angles of base 101, and its shape can be circular, diameter is 3.15mm, and the distance on the center of circle of mounting hole 105 and base 101 both sides is 2.5mm.
A plurality of magnetic conductors 103 are formed in the base 101, and a plurality of magnetic conductors spacing on first direction equates, and described a plurality of magnetic conductor is equating with spacing on the vertical second direction of described first direction.
In the present embodiment, a plurality of magnetic conductors 103 constitute nonmagnetic matrix, have 31 magnetic conductors 103 in the present embodiment, be distributed in rectangular base 101 and grow on the intersection point of limits many parallel lines parallel with minor face, distance between adjacent two parallel lines equates, as being decided to be 5mm, also can be decided to be random length as required.The cross section of magnetic conductor 103 is the circle of diameter 2mm, its thickness is 9mm, in other embodiment of the present utility model, the thickness of magnetic conductor 103 can decide according to actual needs, but its thickness should be less than the thickness of base 101, as shown in Figure 1, magnetic conductor 103 is 5 row, 7 column distributions on rectangular base 101, on the first direction parallel and on the second direction parallel with rectangular base 101 minor faces with rectangular base 101 long limits, distance between adjacent magnetic conductor 103 centers of circle is 5mm, 3 row respectively have 7 magnetic conductors 103 wherein, two row in the outside respectively have 5 magnetic conductors 103, in nonmagnetic matrix, each magnetic conductor 103 can have strong magnetic induction density and weak magnetic induction density two states, and strong magnetic induction density is represented numeral 1, and weak magnetic induction density is represented numeral 0, comprise a plurality of 0 and 1 binary coded matrix thereby make nonmagnetic matrix 107 constitute one, wherein strong magnetic induction density is about 100 to 200 Gausses.In the present embodiment, the nonmagnetic matrix 107 that is made of 31 magnetic conductors 103 is the shape of approximate matrix, it might not be the matrix of standard, in other embodiment of the present utility model, magnetic conductor 103 also can constitute the canonical matrix of one M * N, M and N are positive integer, and promptly magnetic label comprises M * N magnetic conductor, and magnetic conductor is rectangular being distributed on the base of the capable N row of M.
In the nonmagnetic matrix label 100 that present embodiment provides, the size of base 101 and thickness can be made adjustment according to the difference equipment, make the installation of nonmagnetic matrix label 100 can not have influence on the serviceability and the structural strength of original equipment.The number of magnetic conductor 103 also can be made adjustment according to the difference of using, and specifically can decide the number of magnetic conductor 103 according to the quantity that can binary coded matrix satisfy equipment, also more magnetic conductor 103 can be set at the needs of future development.
Nonmagnetic matrix label 100 is used for implanting landification equipment, by each magnetic conductor 103 being set to strong magnetic induction state or weak magnetic induction state, make magnetic conductor 103 form one and comprise a plurality of 0 and 1 binary coded matrix with label as landification equipment, overcome existing label and when bearing high pressure (hundreds of MPa), high temperature (more than 200 ℃), can cause the technical matters that lost efficacy, even if in high pressure, the medium-term and long-term use of hot environment, its intrinsic coding can be not destroyed yet.The application of nonmagnetic matrix label 100 also is not limited to extreme environment, can be applied to conventional environment such as supermarket, warehouse etc.
Shown in Figure 2 is the structural drawing of the nonmagnetic matrix label of another embodiment of the utility model, and as shown in Figure 2, in the present embodiment, nonmagnetic matrix label 200 comprises:
In other embodiment of the present utility model, base 201 can be set to circle, ellipse, regular polygon or irregularly shaped arbitrarily according to the needs of installing, and magnetic conductor 203 also can be set to circle or regular polygon according to the actual needs.
Nonmagnetic matrix label that the utility model provides has overcome the problem that radio electronic label in the prior art and conventional labels can not be applied to rugged surroundings, can under the condition of high temperature, high pressure, high friction, long-term stability move, satisfy exceedingly odious operating mode demand.
Embodiment two
The module map of the nonmagnetic matrix tag reader that Fig. 3 provides for the utility model embodiment, as shown in Figure 3, nonmagnetic matrix label information reading device 300 comprises sensor matrices unit 301, Date Conversion Unit 303 and data processing unit 305, wherein:
In an embodiment of the present utility model, sensor matrices unit 301 comprises a plurality of magnetic-field-sensitive elements, as being Hall element (Hall components), the magnetic-field-sensitive arrangement of elements becomes and the corresponding shape of magnetic label (not necessarily identical), such as can with magnetic conductor on magnetic label correspondence one by one.When sensor matrices unit 301 during near the nonmagnetic matrix label, the magnetic field of magnetic conductor can make corresponding with it Hall element because Hall effect produces output voltage in the nonmagnetic matrix label; The magnetic conductor of Hall element correspondence exists magnetic field (magnetic conductor has magnetic), then output voltage; There is not magnetic field (magnetic conductor does not have magnetic) in the magnetic conductor of Hall element correspondence, then output voltage not.The output voltage of each Hall element is read according to predefined procedure in sensor matrices unit 301, generates one group of output voltage values.
In the present embodiment, one group of output voltage values that Date Conversion Unit 303 receiving sensor matrix units 301 generate converts output voltage to binary coded data.In another embodiment of the present utility model, Date Conversion Unit 303 can comprise:
The sensitivity setting module is used to set a sensitivity threshold value, and the sensitivity threshold value can be a voltage threshold;
The magnetic induction density modular converter, compare magnetic induction density data and sensitivity threshold value, to be converted to numeral 1 more than or equal to the magnetic induction density data of sensitivity threshold value, to be converted to numeral 0 less than the magnetic induction density data of sensitivity threshold value, as magnetic induction density modular converter in the present embodiment output voltage values and the voltage threshold that receives compared, generate numeral 0 and 1;
The coding generation module according to a plurality of 0 and 1 of conversion, generates binary coded data, and in the present embodiment, the coding generation module is according to the predetermined a plurality of 0 and 1 composition binary coding ordered series of numbers of reading after order will change.
In the present embodiment, data processing unit 305 receives the binary coding ordered series of numbers of Date Conversion Unit 303 outputs, and the binary coding ordered series of numbers is converted to label information, and label information can be the decimal system form of binary coding ordered series of numbers, also can be other forms.
In an embodiment of the present utility model, nonmagnetic matrix label information reading device 300 also comprises information output unit 307, is used for the label information output that will generate.Information output unit 307 also comprises wireless output module, is used for label information is exported by wireless network; And display module, be used for display tag information.Wireless output module can be the WIFI wireless network module, and by the output of WIFI wireless network, display module can comprise a LCDs, is used for direct display tag information with label information.
In an embodiment of the present utility model, nonmagnetic matrix label information reading device 300 also comprises a power supply unit, be used to nonmagnetic matrix label information reading device 300 that electric power is provided, power supply unit can adopt 220V alternating current or lithium battery to provide electric power for nonmagnetic matrix label information reading device 300.
The module map of the nonmagnetic matrix tag reader that Fig. 4 provides for the utility model embodiment, as shown in Figure 4, be that with nonmagnetic matrix label information reading device 300 differences nonmagnetic matrix label information reading device 400 also comprises memory cell 309 and equipment data generating unit 311, wherein:
In the present embodiment, label information can be the numbering of landification equipment, and the landification equipment data comprise the title of landification equipment, the concrete facility information of information such as equipment records.
Equipment data generating unit 311 is used for generating landification equipment information according to the mapping relations of label information and landification equipment data.
In the present embodiment, equipment data generating unit 311 is transferred the landification equipment data according to label information from memory cell 309.
The landification equipment information that information output unit 307 also is used for generating is exported.
In the present embodiment, information output unit 307 also is used for the landification equipment information that will generate by wireless network output or directly show landification equipment information on display screen.
In an embodiment of the present utility model, nonmagnetic matrix label information reading device 300 also can comprise the parts that magnetize, being used for magnetic when magnetic label weakens and causes and can't read smoothly constantly, for the magnetic conductor that has magnetic in the magnetic label magnetizes, make magnetic label to read smoothly, the parts that magnetize can be magnet chargers.
In an embodiment of the present utility model, the magnetic-field-sensitive element that sensor matrices unit 301 comprises can be in the magnetic label 4 times of magnetic conductor quantity or more, make each magnetic conductor corresponding 4 or more magnetic-field-sensitive element, each magnetic conductor is discerned by a plurality of magnetic-field-sensitive elements like this, can further strengthen the accuracy of identification.
The nonmagnetic matrix tag reader that the utility model embodiment provides and magnetic label have overcome the problem that radio electronic label in the prior art and conventional labels can not be applied to rugged surroundings, can under the condition of high temperature, high pressure, high friction, long-term stability move, satisfy exceedingly odious operating mode demand.
Embodiment three
The module map of the nonmagnetic matrix label writing station that Fig. 5 provides for the utility model embodiment, as shown in Figure 5, nonmagnetic matrix label information writing station 500 comprises information receiving unit 501, data processing unit 503, Date Conversion Unit 505 and writing unit 507, wherein:
In the present embodiment, information receiving unit 501 is used to receive the label information of user by the input media input, as label information by keyboard or touch-screen input, information receiving unit 501 also is used for receiving label information by wireless network, as receiving label information by the WIFI wireless network, label information can be a device numbering.
In the present embodiment, data processing unit 503 is converted to binary coded data with the label information that receives, as device numbering is converted to binary coding.
In the present embodiment, Date Conversion Unit 505 is converted to the magnetic induction density data with the binary coded data that receives, and as numeral 1 being converted to magnetic, numeral 0 is converted to no magnetic, thereby magnetizes for the nonmagnetic matrix label on this basis.
In the present embodiment, according to the magnetic induction density data of Date Conversion Unit 505 conversions, for corresponding digital 1 magnetic conductor in the nonmagnetic matrix label magnetizes, the then magnetic conductor of corresponding numeral 0 does not magnetize.
In an embodiment of the present utility model, nonmagnetic matrix label information writing station 500 also comprises a power supply unit, be used to nonmagnetic matrix label information writing station 500 that electric power is provided, power supply unit can adopt 220V alternating current or lithium battery to provide electric power for nonmagnetic matrix label information writing station 500.
The module map of the nonmagnetic matrix label writing station that Fig. 6 provides for the utility model embodiment as shown in Figure 6, is that with nonmagnetic matrix label information writing station 500 differences nonmagnetic matrix label information writing station 600 also comprises:
In the present embodiment, label information can be the numbering of landification equipment, and the landification equipment data then comprise the title of this landification equipment, facility informations such as service recorder.
In the present embodiment, information receiving unit 501 comprises:
Load module is used to receive the landification equipment data of user by the input media input, as the landification equipment data by keyboard or touch-screen input; Wireless receiving module is used for receiving the landification equipment data by wireless network, as receiving the landification equipment data by the WIFI wireless network.
Label information generation unit 511 is used for according to receiving the landification equipment data, according to the mapping relations generation label information of label information and landification equipment data.
In the present embodiment, after label information generation unit 511 receives the landification equipment data, from memory cell 509, search the label information corresponding, afterwards this label information is sent to data processing unit 503 with these landification equipment data.
The nonmagnetic matrix label writing station that the utility model embodiment provides and magnetic label have overcome the problem that radio electronic label in the prior art and conventional labels can not be applied to rugged surroundings, can under the condition of high temperature, high pressure, high friction, long-term stability move, satisfy exceedingly odious operating mode demand.
Embodiment four
Fig. 7 to Fig. 9 is the synoptic diagram of the hand-held nonmagnetic matrix label read-write equipment 1000 that provides of the utility model one embodiment, as shown in the figure, nonmagnetic matrix label read-write equipment 1000 comprises: handle 1001, nonmagnetic matrix unit 1003, LCDs 1005 and keyboard 1007, wherein:
Figure 10 is the system module figure of a kind of nonmagnetic matrix label reading system 1300 of providing of the utility model embodiment, as shown in figure 10, nonmagnetic matrix label reading system 1300 comprises: landification equipment magnetic label reading device 1301 and tag control device 1303, and described landification equipment magnetic label reading device 1301 comprises:
Described tag control device 1303 comprises:
Equipment data generating unit 1315 is used for generating landification equipment information according to the mapping relations of label information and landification equipment data;
Equipment information output unit 1317 is used for the landification equipment information output that will generate.
In the present embodiment, the function of each unit and structure and embodiment two are similar, so do not repeat them here.
The nonmagnetic matrix label reading system that the utility model embodiment provides and magnetic label have overcome the problem that radio electronic label in the prior art and conventional labels can not be applied to rugged surroundings, can under the condition of high temperature, high pressure, high friction, long-term stability move, satisfy exceedingly odious operating mode demand.
Above-described embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is an embodiment of the present utility model; and be not used in and limit protection domain of the present utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (11)
1. a landification equipment magnetic label reading device is characterized in that, described device comprises:
The sensor matrices unit is used to detect magnetic label, and generates the magnetic induction density data according to the magnetic induction density of magnetic conductor in the magnetic label;
Date Conversion Unit is used for described magnetic induction density data are converted to binary coded data;
Data processing unit is used for generating label information according to the binary coded data that receives.
2. landification equipment magnetic label reading device as claimed in claim 1 is characterized in that, described device also comprises:
Information output unit is used for the label information output that will generate.
3. landification equipment magnetic label reading device as claimed in claim 2 is characterized in that, described device also comprises:
Memory cell is used for the mapping relations of stored tag information and landification equipment data;
The equipment data generating unit is used for generating landification equipment information according to the mapping relations of label information and landification equipment data;
The landification equipment information that described information output unit also is used for generating is exported.
4. as claim 2 or 3 described landification equipment magnetic label reading devices, it is characterized in that described information output unit comprises:
Wireless output module is used for label information and landification equipment information are exported by wireless network;
Display module is used for display tag information and landification equipment information.
5. landification equipment magnetic label reading device as claimed in claim 1 is characterized in that, described Date Conversion Unit comprises:
The sensitivity setting module is used to set a sensitivity threshold value;
The magnetic induction density modular converter, relatively magnetic induction density data and sensitivity threshold value will be converted to numeral 1 more than or equal to the magnetic induction density data of sensitivity threshold value, will be converted to numeral 0 less than the magnetic induction density data of sensitivity threshold value;
The coding generation module according to a plurality of 0 and 1 of conversion, generates binary coded data.
6. a landification equipment magnetic label writing station is characterized in that, described device comprises:
Information receiving unit is used to receive label information;
Data processing unit is used for generating binary coded data according to described label information;
Date Conversion Unit is used for generating the magnetic induction density data according to the binary coded data that receives;
Writing unit, the magnetic induction density data that are used for receiving write the nonmagnetic matrix label.
7. landification equipment magnetic label writing station as claimed in claim 6 is characterized in that, described device also comprises:
Memory cell is used for the mapping relations of stored tag information and landification equipment data;
Described information receiving unit also is used to receive the landification equipment data;
The label information generation unit is used for according to receiving the landification equipment data, according to the mapping relations generation label information of label information and landification equipment data.
8. as claim 6 or 7 described landification equipment magnetic label writing stations, it is characterized in that described information receiving unit comprises:
Wireless receiving module is used for receiving label information and landification equipment data by wireless network;
Load module is used for input label information and landification equipment data.
9. a landification equipment magnetic label reading system is characterized in that, described system comprises landification equipment magnetic label reading device and tag control device, and described landification equipment magnetic label reading device comprises:
The sensor matrices unit is used to detect magnetic label, and generates the magnetic induction density data according to the magnetic induction density of magnetic conductor in the magnetic label;
Date Conversion Unit is used for described magnetic induction density data are converted to binary coded data;
Data processing unit is used for generating label information according to the binary coded data that receives;
Information output unit is used for the label information output that will generate;
Described tag control device comprises:
Memory cell is used for the mapping relations of stored tag information and landification equipment data;
The equipment data generating unit is used for generating landification equipment information according to the mapping relations of label information and landification equipment data;
The equipment information output unit is used for the landification equipment information output that will generate.
10. landification equipment magnetic label reading system as claimed in claim 9 is characterized in that, described equipment information output unit comprises:
Wireless output module is used for label information and landification equipment information are exported by wireless network;
Display module is used for display tag information and landification equipment information.
11. landification equipment magnetic label reading system as claimed in claim 9 is characterized in that, described Date Conversion Unit comprises:
The sensitivity setting module is used to set a sensitivity threshold value;
The magnetic induction density modular converter, relatively magnetic induction density data and sensitivity threshold value will be converted to numeral 1 more than or equal to the magnetic induction density data of sensitivity threshold value, will be converted to numeral 0 less than the magnetic induction density data of sensitivity threshold value;
The coding generation module according to a plurality of 0 and 1 of conversion, generates binary coded data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201682657U CN201503589U (en) | 2008-12-23 | 2008-12-23 | Read-write device and read-write system for magnetic tag of petrochemical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201682657U CN201503589U (en) | 2008-12-23 | 2008-12-23 | Read-write device and read-write system for magnetic tag of petrochemical equipment |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200820233745U Division CN201392547Y (en) | 2008-12-23 | 2008-12-23 | Magnetic label of petrochemical device |
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| CN201503589U true CN201503589U (en) | 2010-06-09 |
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| CN2009201682657U Expired - Fee Related CN201503589U (en) | 2008-12-23 | 2008-12-23 | Read-write device and read-write system for magnetic tag of petrochemical equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101441723B (en) * | 2008-12-23 | 2012-02-01 | 中国石油大学(北京) | Landification equipment magnetic label and read-write method, apparatus and system |
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- 2008-12-23 CN CN2009201682657U patent/CN201503589U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101441723B (en) * | 2008-12-23 | 2012-02-01 | 中国石油大学(北京) | Landification equipment magnetic label and read-write method, apparatus and system |
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