CN102915744A - Device and method for reading material code magnetic records of ferromagnetic metal workpieces - Google Patents
Device and method for reading material code magnetic records of ferromagnetic metal workpieces Download PDFInfo
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- CN102915744A CN102915744A CN2012103676036A CN201210367603A CN102915744A CN 102915744 A CN102915744 A CN 102915744A CN 2012103676036 A CN2012103676036 A CN 2012103676036A CN 201210367603 A CN201210367603 A CN 201210367603A CN 102915744 A CN102915744 A CN 102915744A
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Abstract
The invention relates to a device and a method for reading material code magnetic records of ferromagnetic metal workpieces. The device comprises a recording head and a reading head. The recording head comprises a recording coil and a soft magnet. The recording coil is connected with an alternating-current power supply modulated by external signals to form a loop. The reading head comprises a coil and a ferrite iron core. The coil which is connected with an external decoder is wound on the ferrite iron core to form the reading head. Workpiece information is magnetized to the outer surface of a ferromagnetic workpiece through the recording head by means of encoding. Material workpiece codes can be read by using the reading head to horizontally scan the surface of the material. The novel recording method for material workpiece codes is convenient, reliable, and available for repeatedly changing and deleting data in tags, and accordingly code updating is facilitated. The device and the method are suitable for ferromagnetic materials which need deep processing to change material workpiece codes and need surface solvent cleaning and paint spraying.
Description
Technical field
The present invention relates to record reading device and the method for material code in the industry, be specifically related to material code record reading device and the method for ferromagnetic metal workpiece.
Background technology
Material code is the code of unique identification material, is that computer system is to unique cognizance code of material.Material code can be promoted the accuracy of material data, can improve the efficient of handling of goods and materials, is conducive to the management of ERP system, reduces stock material, reduces cost, prevents the generation of various material malpractices events and is convenient to receiving of material.Therefore in modern warehouse management system, material code is used widely.At present the recording mode for material code has nothing but stickups of common label paper, marking pen mark, radio-frequency (RF) tag, manually stamps steel code and coder and beat yard these several classes.
Need to carry out the workpiece of solvent cleaning and chemical conversion treatment for some, the stickup of common label paper, radio-frequency (RF) tag even marking pen mark all are easy to come off or affect workpieces in subsequent and process.And surface lacquer also can cover these material code labels.Manually stamping the steel code wastes time and energy, and affects workpiece accuracy and intensity.The equipment cost that coder is beaten code requirement is high, efficient is low.There is the operating mode of specific (special) requirements to use for some effects on surface.
Therefore, how to develop a kind of convenient, fast, reliable material code recording mode for above-mentioned situation and become those skilled in the art's technical issues that need to address.
Summary of the invention
The problem that purpose of the present invention exists in order to overcome above-mentioned prior art, and a kind of material code magnetic recording reading device and method of ferromagnetic metal workpiece of easy to use, dependable performance are provided.
Technical scheme of the present invention is:
The material code magnetic recording reading device of ferromagnetic metal workpiece comprises write head, reading magnetic head, it is characterized in that: described write head comprises record coil and soft magnetic bodies, and the record coil connects into the loop with the AC power of modulating through external signal; Described reading magnetic head comprises coil and ferrite iron core, and coil winding is made reading magnetic head at ferrite iron core, and coil links to each other with the demoder of outside.
The material code magnetic recording read method of ferromagnetic metal workpiece, it is characterized in that carrying out according to the following steps: (1) material code is by corresponding coding method, form bar code or two-dimension code data redundant, mutually verification, the mode of the material code data communication device being crossed magnetization ferromagnetic metal surface of the work by write head is recorded in the material, and reading magnetic head is according to the data of the material code of the remnant magnetism state reproduction record on the material surface of ferromagnetic metal workpiece.
The coding of described material code comprises data bit and the check bit of the mutual verification of data bit, check bit, repetition.
Described material code coded system adopts the internal synchronization mode that adds synchronous clock in the coding.
Described write head magnetizes the data of material code to the surface of ferromagnetic metal workpiece, the surface that adopt laterally, the mode of magnetization vertical or perpendicular recording is recorded in the ferromagnetic metal workpiece.
Described reading magnetic head adopts the line reading manner for the reading of two-dimension code data on the surface of ferromagnetic metal workpiece.The line reading manner is existing mode.
Magnetic is one of base attribute of magnet existence, and it has energy and power.Under the effect of outside magnetic field, various materials all present certain magnetic, and it is multiple to be divided into diamagnetic substance, paramagnet, ferromagnetic material, antiferromagnetic substance and ferrimagnetism material etc. by its magnetic performance.Ferromagnetic material is ferromagnetic substance, shows as to present strong magnetization under the outside magnetic field effect.Its magnetic is than the large several times of external magnetic field, and is disproportionate with the variation of external magnetic field, but also exist a kind of magnetic saturation phenomenon.In the industry, the workpiece of ferrous materials occupies greatly ratio.Ferrous materials belongs to ferrimagnet, and after ferromagnetic material magnetized in magnetic field, if remove external magnetic field, ferromagnetic material still kept certain magnetic, and this magnetic is called remanent magnetism.The present invention utilizes the remanent magnetism phenomenon of ferrimagnet in order to preserve the material code relevant information just.
Magnetic recording adopts the digital magnetic record mode, in order to preserve more accurately relevant information.The signal that is recorded is converted to pulse signal, stays a succession of equidistant or not equidistant saturated magnetization upset at recording medium.The data coded system to be recorded: its records series is the binary data string after encoding, comprise identical data bit and the clock bit of many groups, data bit is the material code data that need preservation, and clock bit then is the sequence as the auxiliary sense data position of synchronizing signal.Many group identical datas can read some groups of mutual verifications, can prevent that also the partial data disappearance from causing unnecessary trouble.The mode of magnetization of coding is taked laterally, vertical or perpendicular magnetic recording, and horizontal or longitudinal magnetic recording adopts the slit magnetization workpiece of ring head, and direction of magnetization is parallel to dielectric surface and direction of motion thereof.The direction of magnetization of perpendicular magnetic recording is perpendicular to dielectric surface and direction of motion thereof, and this mode can guarantee larger magnetic coating thickness at less magnetic potential area.Magnetized ablation process is that recording medium is when at the uniform velocity slipping over below magnetic head substantially, the soft magnetic ferrite iron core will be magnetized in the magnetic field that marking current in the magnetic head coil produces, the involution magnetic circuit of formation take iron core loop as trunk, stray field magnetization recording medium at the iron core gap place, thus signal is recorded on the magnetic medium face.When reading recorded information, relative uniform motion occurs with recording medium in magnetic head, to pick up magnetic flux on the recording medium without the ferrite iron core gap of current input signal, thus the magnetization iron core, and the variation of magnetic flux will induce output signal V at coil on the iron circuit
ReadBetween the record and replay process, tracer signal has individual storage process, and in this process, the stray magnetic field that does not allow to add is above the intensity for the magnetic field of recording.If produce the magnetic field greater than recording magnetic field intensity with erasing magnetic head, the information of original record of just can erasing.After erasing, recording medium can prepare again to record new information.In many cases, when write head and playback head use same magnetic head, also can be with the old information of erasing that writes of new information.Therefore adopt magnetic recording can increase easily, revise, delete the material letter of original record newly as the material code recording mode.
The mode that the present invention crosses coding by write head with the information exchange of workpiece is magnetized the surface to ferromagnetic workpiece.Mode redundant, duplication check that the code of material workpiece adopts is write reliability, the integrality with guarantee information.Only reading magnetic head once need to be got final product at the nearly surperficial parallel sweep of material during reading matter material workpiece code.The present invention is as the novel recording mode of material workpiece code, and is convenient and reliable, can repeatedly revise, delete the data in the label, makes things convenient for the renewal of code.The ferromagnetic materials that need to be applicable to deep processing to upgrade material workpiece code and need surface solvent to clean, spray paint and process.
Description of drawings
Fig. 1 is that write head of the present invention writes the ferromagnetic materials structural representation with material information.
Fig. 2 is the synoptic diagram of material code mode of the present invention.
Fig. 3 is reading head of the present invention reads record from material message structure synoptic diagram.
Embodiment
Understand and enforcement the present invention for the ease of those of ordinary skills, the present invention is described in further detail below in conjunction with the drawings and the specific embodiments.
Such as Fig. 1, shown in Figure 3, the present invention includes write head, reading magnetic head, it is characterized in that: described write head comprises record coil 2 and soft magnetic bodies 1, record coil 2 connects into the loop with the AC power of modulating through external signal; Reading magnetic head comprises coil 5 and ferrite iron core 4, and coil 5 is wound on the ferrite iron core 4 and makes reading magnetic head, and coil 5 links to each other with the demoder of outside.
The material code magnetic recording read method of ferromagnetic metal workpiece, carry out according to the following steps: (1) material code is by corresponding coding method, form bar code or two-dimension code data redundant, mutually verification, the mode of the material code data communication device being crossed magnetization ferromagnetic metal surface of the work by write head is recorded in the material, and reading magnetic head is according to the material code data of the remnant magnetism state reproduction record on the material surface of ferromagnetic metal workpiece.The coding of described material code comprises data bit and the check bit of the mutual verification of data bit, check bit, repetition.Described material code coded system adopts the internal synchronization mode that adds synchronous clock in the coding.Described reading magnetic head adopts the line reading manner for the reading of two-dimension code data on the surface of ferromagnetic metal workpiece.The line reading manner is existing mode.
Write head changes its magnetic direction for record coil 2 is wound on the soft magnetic bodies 1 by the electric current in the modulation signal coil.
Write head is uniform motion on arbitrary plane of material workpiece 3, and along with the changes of magnetic field of write head, material information just is magnetized to workpiece 3 surfaces.
Material code comprises the material code information: data pulse and time clock are combined into the recording impulse of final reservation, as shown in Figure 2.
Material code adopts the mode of repeated encoding to record to prevent that partial information from losing the problem of also thereupon losing of the material code information that causes.
The mode of magnetization of material workpiece 3 coding can adopt the mode of perpendicular recording, increases recording density and weakens the impact of demagnetizing field.
Magnetic recording realize material information deletion, modification, newly-increasedly all can be realized by same write head.
Should avoid thermal treatment, the process such as bump repeatedly in the information preservation process of material workpiece 3.
Reading magnetic head is wound on the ferrite iron core 4 by the coil 5 without input current and makes.When reading the information of material workpiece 3, ferrite iron core 4 is at material workpiece 3 surperficial uniform speed scannings, iron core gap will pick up the magnetic flux on the material workpiece 3, thus magnetized ferrite iron core 4, and the variation of magnetic flux will induce output signal V at coil 5 on ferrite iron core 4 magnetic circuits
ReadCan obtain material information by the demoder transformation.
During reading matter material information, only need in material code, part scanning can obtain whole material code information.
The above, only be that implementation case of the present invention is described, but be not to limit practical range of the present invention, such as those skilled in the art must be covered by the scope of claim of the present invention not breaking away from all equivalence changes of finishing under the indicated spirit of the present invention and the principle or modifying.
Claims (6)
1. the material code magnetic recording reading device of ferromagnetic metal workpiece, comprise write head, reading magnetic head, it is characterized in that: described write head comprises record coil (2) and soft magnetic bodies (1), and record coil (2) connects into the loop with the AC power of modulating through external signal; Described reading magnetic head comprises coil (5) and ferrite iron core (4), and coil (5) is wound on the ferrite iron core (4) and makes reading magnetic head, and coil (5) links to each other with the demoder of outside.
2. the material code magnetic recording read method of ferromagnetic metal workpiece, it is characterized in that carrying out according to the following steps: (1) material code is by corresponding coding method, form bar code or two-dimension code data redundant, mutually verification, the mode of the material code data communication device being crossed magnetization ferromagnetic metal workpiece self outside surface by write head is recorded in the material, and reading magnetic head is according to the data of the material code of the remnant magnetism state reproduction record on the material surface of ferromagnetic metal workpiece.
3. the material code magnetic recording read method of ferromagnetic metal workpiece according to claim 2, it is characterized in that: the coding of described material code comprises data bit and the check bit of the mutual verification of data bit, check bit, repetition.
4. the material code magnetic recording read method of ferromagnetic metal workpiece according to claim 3 is characterized in that: the internal synchronization mode that adds synchronous clock during described material code coded system adopts and encodes.
5. according to claim 2 or the material code magnetic recording read method of 3 described ferromagnetic metal workpiece, it is characterized in that: described write head magnetizes the data of material code to the surface of ferromagnetic metal workpiece, the surface that adopt laterally, the mode of magnetization vertical or perpendicular recording is recorded in the ferromagnetic metal workpiece.
6. the material code magnetic recording read method of ferromagnetic metal workpiece according to claim 1 is characterized in that: described reading magnetic head adopts the line reading manner for the reading of two-dimension code data on the surface of ferromagnetic metal workpiece.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012103676036A CN102915744A (en) | 2012-09-28 | 2012-09-28 | Device and method for reading material code magnetic records of ferromagnetic metal workpieces |
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| CN2012103676036A CN102915744A (en) | 2012-09-28 | 2012-09-28 | Device and method for reading material code magnetic records of ferromagnetic metal workpieces |
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| CN102915744A true CN102915744A (en) | 2013-02-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108346251A (en) * | 2018-04-09 | 2018-07-31 | 宁波讯强电子科技有限公司 | A kind of demagnetizer and audio magnetic label decoder |
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| US5704190A (en) * | 1993-06-23 | 1998-01-06 | Tetra Laval Holdings & Finance, S.A. | Filling aparatus and packaging materials |
| CN1265212A (en) * | 1997-07-28 | 2000-08-30 | 匈牙利国家铁路局 | Tracking metallic objects by information incorporated therein |
| CN1652930A (en) * | 2002-05-10 | 2005-08-10 | 利乐拉瓦尔集团及财务有限公司 | A packaging laminate, a creasing roller, as well as a layer for use for a packaging laminate |
| CN1920961A (en) * | 2005-08-25 | 2007-02-28 | 日立环球储存科技荷兰有限公司 | Thermally assisted magnetic recording media and magnetic recording and reproducing apparatus |
| CN1941125A (en) * | 1993-01-21 | 2007-04-04 | 松下电器产业株式会社 | Recording/reproducing apparatus |
| CN202905160U (en) * | 2012-09-28 | 2013-04-24 | 山推楚天工程机械有限公司 | Material code magnetic recording and reading device of ferromagnetic metal part |
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- 2012-09-28 CN CN2012103676036A patent/CN102915744A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1941125A (en) * | 1993-01-21 | 2007-04-04 | 松下电器产业株式会社 | Recording/reproducing apparatus |
| US5704190A (en) * | 1993-06-23 | 1998-01-06 | Tetra Laval Holdings & Finance, S.A. | Filling aparatus and packaging materials |
| CN1265212A (en) * | 1997-07-28 | 2000-08-30 | 匈牙利国家铁路局 | Tracking metallic objects by information incorporated therein |
| CN1652930A (en) * | 2002-05-10 | 2005-08-10 | 利乐拉瓦尔集团及财务有限公司 | A packaging laminate, a creasing roller, as well as a layer for use for a packaging laminate |
| CN1920961A (en) * | 2005-08-25 | 2007-02-28 | 日立环球储存科技荷兰有限公司 | Thermally assisted magnetic recording media and magnetic recording and reproducing apparatus |
| CN202905160U (en) * | 2012-09-28 | 2013-04-24 | 山推楚天工程机械有限公司 | Material code magnetic recording and reading device of ferromagnetic metal part |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108346251A (en) * | 2018-04-09 | 2018-07-31 | 宁波讯强电子科技有限公司 | A kind of demagnetizer and audio magnetic label decoder |
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Application publication date: 20130206 |