CN203673506U - Acoustic magnetic antitheft tag - Google Patents
Acoustic magnetic antitheft tag Download PDFInfo
- Publication number
- CN203673506U CN203673506U CN201320854424.5U CN201320854424U CN203673506U CN 203673506 U CN203673506 U CN 203673506U CN 201320854424 U CN201320854424 U CN 201320854424U CN 203673506 U CN203673506 U CN 203673506U
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- Prior art keywords
- resonant cavity
- bias
- slice
- acoustic magnetic
- resonant
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- Expired - Lifetime
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 125000006850 spacer group Chemical group 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 8
- 239000002390 adhesive tape Substances 0.000 claims description 7
- 239000002985 plastic film Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 21
- 238000000034 method Methods 0.000 abstract description 12
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 230000005294 ferromagnetic effect Effects 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 1
- 239000007769 metal material Substances 0.000 abstract 1
- 238000005520 cutting process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Burglar Alarm Systems (AREA)
Abstract
The utility model relates to a commercial antitheft protection warning device and a method for manufacturing same, and especially to an acoustic magnetic antitheft tag stable in performance and easy to manufacture. The acoustic magnetic antitheft tag comprises a narrow and long box body, resonant sheets, and a bias sheet. The box body is covered with a box cover formed by double-sided adhesive and a sealing membrane. A resonant cavity is formed by the box body and the box cover. The resonant sheets are disposed inside the resonant cavity. At least one isolating sheet produced by non-ferromagnetic and non-metallic material is also disposed in the resonant cavity and isolates the bias sheet from the resonant sheets. At least one resonant sheet and at least one bias sheet are provided. At this time, two structures can be provided according to the difference of the position of the isolating sheet. In one case, the bias sheet is disposed inside the resonant cavity. In the other case, the bias sheet is fixed outside the resonant cavity. Such structure enables a uniformly-distributed bias field, eliminates eddy current, and maintains optimum warning distance.
Description
Technical field
The utility model relates to a kind of commercial anti-theft protection alarm and manufacture method, especially relates to a kind of stable performance and acoustic magnetic anti-theft label easy to manufacture.
Background technology
Acoustic magnetic anti-theft label has been widely used in the antitheft of extensive stock, present acoustic magnetic anti-theft label structure is generally (to see Fig. 1, on Fig. 1, be resonant cavity convex surface upwards, under Fig. 1 for resonant cavity convex surface is downward): resonance plate is enclosed in resonant cavity, and bias slice is fixed on resonant cavity outside.Like this, when label is in resonant cavity convex surface up and down time, resonance plate is apart from the distance t1 of bias slice, and t2 changes greatly, causes the larger variation of actual bias-field.Further cause the larger variation of tag resonates frequency, make label have the larger variation measuring at the alarm distance of two above-mentioned positions.In addition, first resonance plate sealing-in is entered to resonant cavity, then manage bias slice to be fixed on the accurately location of method of bottom, cause production equipment cost high.As long as have especially the fixing slightly crooked of a small amount of bias slice in the time being production in enormous quantities, just may causing die-cutting rule chipping below.The reliability that impact is produced also causes label cost to rise.
The utility model people's Chinese utility model patent ZL200610052012.4 discloses a kind of structure of bias slice being put into together with resonance plate to resonant cavity, easy to manufacture.But resonance plate directly contacts with bias slice, bias-field is changed comparatively violent.The eddy current that bias slice metal produces also has influence on the resonance amplitude of resonance plate, causes label alarm distance in the time of all directions, to have obvious variation.Particularly importantly label can not reach best alarm distance.
Utility model content
The utility model is in order to solve the problems of the technologies described above, and provides a kind of alarm distance to change compared with little, stable performance and acoustic magnetic anti-theft label easy to manufacture.
The utility model also provides a kind of manufacture method of above-mentioned acoustic magnetic anti-theft label.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals:
A kind of stable performance and acoustic magnetic anti-theft label easy to manufacture, comprise long and narrow box body, resonance plate and bias slice, on box body, be stamped the lid being formed by double faced adhesive tape and sealable films, box body and lid sealing form a resonant cavity, resonance plate is located in this resonant cavity, in resonant cavity, be also provided with at least spacer of a slice nonferromagnetic and nonmetallic materials, spacer is separated bias slice and resonance plate; Resonance plate is a slice at least, and bias slice is a slice at least.Now, according to the position difference of spacer, there are two kinds of structures, Yi Zhongshi, described bias slice is arranged in resonant cavity, and another kind is that described bias slice is fixed on outside resonant cavity.This structure of the present utility model is uniformly distributed bias-field, eliminates eddy current, keeps best alarm distance.The manufacture method of the utility model acoustic magnetic anti-theft label is simple, do not need the accurate location of fixed bias sheet after sealing-in resonant cavity, even if there is a little the bias slice of some off normals in the time of large-scale production, also very easily slip in resonant cavity and sealed, can be because of deviation position slightly and to follow-up cross cutting operation time, die-cutting rule used causes the threat of chipping, greatly reduces and produces the cost of machine and significantly promoted reliability.
As preferably, the bias slice described in described bias slice is in resonant cavity but fixing.Another kind of mode is to be fixed on resonant cavity bottom.
As preferably, described spacer is monolithic.
As preferably, the thickness that has at least a place to measure on described spacer is 0.1-1.2mm.
As preferably, described spacer is the scraps of paper or plastic sheet.The spacer cost of the scraps of paper or plastic sheet is low, and material is easy to get.
The utility model adds a slice thickness to be about the nonmetal and nonferromugnetic material of 0.1-1.2mm between bias slice and resonance plate, and by bias slice, spacer, resonant cavity is entered in the whole sealing-ins of resonance plate.This structure is uniformly distributed bias-field, eliminates eddy current, keeps best alarm distance.Compressed the distance that resonance plate changes up and down simultaneously, the variation of acoustic magnetic anti-theft label resonant frequency (see figure 1) in the time of aforesaid upper and lower two positions is greatly reduced, and then the alarm distance of acoustic magnetic anti-theft label in the time of diverse location and direction also just changes less.
Brief description of the drawings
Fig. 1 is a kind of structural representation of existing acoustic magnetic anti-theft label;
Fig. 2 is a kind of structural representation of the utility model acoustic magnetic anti-theft label;
Fig. 3 is the structural representation of embodiment 3;
Fig. 4 is the structural representation of embodiment 4;
Label declaration: 1 bias slice, 2 resonance plates, 3 box bodys, 4 sealable films, 5 double faced adhesive tapes, 6 spacers, 7 resonant cavities.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
The technology using in following examples, unless stated otherwise, is routine techniques known to those skilled in the art; The instrument and equipment using, only this instructions special instruction, is that the research of this area and technician can obtain by public approach.
Embodiment 1:
As shown in Figure 2, a kind of stable performance and acoustic magnetic anti-theft label easy to manufacture, comprise long and narrow box body 3, resonance plate 2 and bias slice 1, on box body, be stamped the lid being formed by double faced adhesive tape 5 and sealable films 6, box body and lid sealing form a resonant cavity 7, resonance plate and described bias slice are arranged in resonant cavity, are also provided with the spacer 6 of a slice nonferromagnetic and nonmetallic materials in resonant cavity, and spacer is separated bias slice and resonance plate.Resonance plate is three, and bias slice is a slice.
In the present embodiment, described bias slice is unfixing in resonant cavity.Generally, spacer THICKNESS CONTROL is within the scope of 0.1-1.2mm.Spacer is that nonferromagnetic and nonmetallic materials are made, and can be the scraps of paper or plastic sheet.
The manufacture method of the utility model acoustic magnetic anti-theft label is simple, do not need the accurate location of fixed bias sheet after sealing-in resonant cavity, even if there is a little the bias slice of some off normals in the time of large-scale production, also very easily slip in resonant cavity and sealed, can be because of deviation position slightly and to follow-up cross cutting operation time, die-cutting rule used causes the threat of chipping, greatly reduces and produces the cost of machine and significantly promoted reliability.
Manufacture method one is demonstrated: by bias slice, and spacer, resonance plate is put into resonant cavity successively, will contain bias slice, and the resonant cavity of spacer and resonance plate is sealed, then is covered with the double faced adhesive tape with release liners, is die-cut to edition shape or the shipment of web-like label;
Manufacture method two is demonstrated: by bias slice, and spacer, resonance plate is put into resonant cavity successively, will contain bias slice, and the resonant cavity of spacer and resonance plate is sealed.Directly be cut into single label in bulk, be suitable as and put into liquid commodity, or plug-type label uses.
Embodiment 2:
Concrete scheme is with embodiment mono-, and difference is in the present embodiment, and two ends and the inboard wall of cartridge of described bias slice are fixed, and make this bias slice be fixed on resonant cavity bottom.
Embodiment 3:
Concrete scheme is with embodiment mono-, and difference is in the present embodiment, and described spacer is two, sees Fig. 3.
Embodiment 4:
As shown in Figure 4, a kind of stable performance and acoustic magnetic anti-theft label easy to manufacture, comprise long and narrow box body 3, resonance plate 2 and bias slice 1, on box body, be stamped the lid being formed by double faced adhesive tape 5 and sealable films 6, box body and lid sealing form a resonant cavity 7, described bias slice is located at outside resonant cavity, that is, bias slice is positioned at sealable films top.Resonance plate is three, and bias slice is a slice.Resonance plate is located in resonant cavity, is also provided with the spacer 6 of a slice nonferromagnetic and nonmetallic materials in resonant cavity, and spacer is separated bias slice and resonance plate.Spacer THICKNESS CONTROL is within the scope of 0.1-1.2mm.Spacer be non magnetic, nonmetallic materials are made, and can be the scraps of paper or plastic sheet.
Manufacture method one is demonstrated: by resonance plate, spacer is put into resonant cavity successively, the resonant cavity that contains resonance plate and spacer is sealed, then bias slice is fixed on to resonant cavity outside.Spacer is between resonance plate and bias slice.Be covered with again the double faced adhesive tape with release liners, be die-cut to edition shape or the shipment of web-like label;
Manufacture method two is demonstrated: by resonance plate, spacer is put into resonant cavity successively, the resonant cavity that contains resonance plate and spacer is sealed, then bias slice is fixed on to resonant cavity outside.Spacer is between resonance plate and bias slice.Directly be cut into single label in bulk, be suitable as plug-type label and use.
The manufacture method of the acoustic magnetic anti-theft label of the present embodiment does not need that original production equipment is carried out to large transformation just can obtain the advantage of new utility model label.
The warning performance of acoustic magnetic anti-theft label of the present utility model and the comparative result of existing acoustic magnetic anti-theft label are in table 1.
Ultrapost
*: first interrogate by the U.S. sound magnetic alarm that Tyco/Sensormatic produces
Direction 1: perpendicular to Ultrapost detector surface, direction 2 is by reverse tag orientation 180 degree by tag length direction.
Should be understood that this embodiment is only not used in restriction scope of the present utility model for the utility model is described.Utilize bias slice that the utility model provides can produce the acoustic magnetic anti-theft label of various structures, the utility model only illustrates the application of the utility model bias slice with above-described embodiment 1.In addition should be understood that those skilled in the art can make various changes or modifications the utility model after having read the content of the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (8)
1. an acoustic magnetic anti-theft label, comprise long and narrow box body, resonance plate and bias slice, on box body, be stamped the lid being formed by double faced adhesive tape and sealable films, box body and lid sealing form a resonant cavity, resonance plate is located in this resonant cavity, it is characterized in that: in resonant cavity, be also provided with at least spacer of a slice nonferromagnetic and nonmetallic materials, spacer is separated bias slice and resonance plate; Resonance plate is a slice at least, and bias slice is a slice at least.
2. acoustic magnetic anti-theft label according to claim 1, is characterized in that: described bias slice is arranged in resonant cavity.
3. acoustic magnetic anti-theft label according to claim 2, is characterized in that: described bias slice is fixed on resonant cavity bottom.
4. acoustic magnetic anti-theft label according to claim 2, is characterized in that: described bias slice is in resonant cavity but fixing.
5. acoustic magnetic anti-theft label according to claim 1, is characterized in that: described bias slice is arranged on outside resonant cavity.
6. according to the acoustic magnetic anti-theft label described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that: described spacer is multi-disc.
7. according to the acoustic magnetic anti-theft label described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that: the thickness that has at least a place to measure on described spacer is 0.1-1.2mm.
8. according to the acoustic magnetic anti-theft label described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that: described spacer is the scraps of paper or plastic sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320854424.5U CN203673506U (en) | 2013-12-23 | 2013-12-23 | Acoustic magnetic antitheft tag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320854424.5U CN203673506U (en) | 2013-12-23 | 2013-12-23 | Acoustic magnetic antitheft tag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203673506U true CN203673506U (en) | 2014-06-25 |
Family
ID=50969778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320854424.5U Expired - Lifetime CN203673506U (en) | 2013-12-23 | 2013-12-23 | Acoustic magnetic antitheft tag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203673506U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103810515A (en) * | 2013-12-23 | 2014-05-21 | 宁波讯强电子科技有限公司 | Acoustic magnetic anti-theft label with stable property and easy manufacture |
| WO2018217656A1 (en) * | 2017-05-22 | 2018-11-29 | Tyco Fire & Security Gmbh | Dual-sided security marker |
-
2013
- 2013-12-23 CN CN201320854424.5U patent/CN203673506U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103810515A (en) * | 2013-12-23 | 2014-05-21 | 宁波讯强电子科技有限公司 | Acoustic magnetic anti-theft label with stable property and easy manufacture |
| WO2018217656A1 (en) * | 2017-05-22 | 2018-11-29 | Tyco Fire & Security Gmbh | Dual-sided security marker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |
|
| CX01 | Expiry of patent term |