CN101930645A - Burglar alarm for small digital product - Google Patents
Burglar alarm for small digital product Download PDFInfo
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- CN101930645A CN101930645A CN2009100122690A CN200910012269A CN101930645A CN 101930645 A CN101930645 A CN 101930645A CN 2009100122690 A CN2009100122690 A CN 2009100122690A CN 200910012269 A CN200910012269 A CN 200910012269A CN 101930645 A CN101930645 A CN 101930645A
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- digital product
- alarm
- switch
- burglar alarm
- small digital
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Abstract
The invention discloses a burglar alarm for a small digital product. Aiming at different ways of carrying the small digital product, two schemes exist, including a limit type alarm and a sensing type alarm. The limit type alarm consists of a switch supporting plate for placing the small digital product, an eccentric motor and a mechanical limit switch in serial connection and a protective cover. For the sensing type alarm, a displacement sensor is arranged in the small digital product; an eccentric motor, an inductive switch and an electric bell are installed in the alarm; the inductive switch induces a signal sent by the sensor to realize alarm; and the sensing type alarm adopts an alarm way of being completely separated from the small digital product, and thus no special carrying way is needed. The burglar alarm of the invention can remind the owner immediately when a theft starts to steal, thereby effectively reducing the property loss and private information loss of the owner; and moreover, the burglar alarm of the invention has simple structure and low cost, is applicable to modular manufacturing and can be produced by batch.
Description
Technical field
The present invention relates to a kind of warning device, in particular, relate to a kind of be used to prevent digital product such as stolen alarm such as mobile phone, MP3.
Background technology
Now, a lot of people are arranged when small-sized digital products such as carrying mobile phone is gone out, become the preferred object of pickpocket crime, thereby cause any property loss and the losing of the important information stored, privacy is revealed.
Summary of the invention
At the problems referred to above, reveal for fear of property loss and privacy, the invention provides a cover warning device, it can implement to steal the signal that gives a warning the pickpocket, thereby reduce because small-sized digital products such as mobile phone are stolen, and therefore avoided the leakage of property loss and individual privacy.
The technical solution adopted for the present invention to solve the technical problems is: a kind of burglar alarm for small digital product is provided, comprises the switch and the hand switch of the battery, eccentric motor and the sensed position that connect with series system.
Under the optimal way, in above-mentioned cascaded structure, corresponding eccentric motor electric bell in parallel.
Under the optimal way, the switch of sensed position is a limit switch, comprises the outer protective cover that is arranged at small-sized digital product, and parallel described outer protective cover slip is used for the spacing supporting plate of trigger switch.
In addition, outer protective cover is provided with portable fibre arms band or necklace, and described fibre arms band or necklace comprise by 1 to 5 twisted wire that steel wire constitutes.Under the optimum way, the structure corresponding to digital product on the outer protective cover is provided with earphone interface, charging inlet, and the corresponding aperture of display and keyboard.
Under another kind of optimal way, the switch of above-mentioned sensed position is the sensing switch of perceived distance.
Generally, burglar alarm of the present invention is installed in the small-sized digital product of long 140mm * wide 60mm * thick 30mm.And the built-in PLC programming module of electric bell, and be set to 30 to 50 seconds by described PLC programming module time of fire alarming.
Beneficial effect of the present invention is, can be the very first time prompting machine master of case the pickpocket, effectively reduces machine master's property loss and privacy information. simple in structure, cost is low, is suitable for the mold manufacturing, easily produces in batches.Specifically, comprise following characteristics:
1, a kind of small-sized digital product of carrying of can preventing--as the electronic anti-theft device that quilts such as mobile phone, MP3 player are stolen, two kinds of schemes are formed, and are as follows:
Scheme one: form by eccentric motor, limit switch, battery, protective cover, limit switch supporting plate, be called protection bell-type alarm.It is characterized in that utilizing the spacing supporting plate of switch whether the contact of limit switch contact is realized reporting to the police.
Scheme two: form by eccentric motor, electric bell, inductive switch, hand switch, integrated package, battery, the built-in sensing device of digital product, be called sensor-type alarm.It is characterized in that the electronics that utilizes inductive switch that sensing device is sent is responded to reports to the police.
2, the small-sized digital product size protected of alarm of the present invention long by 140 * wide by 60 * thick 30 millimeters in.
Centrifugal force when 3, such scheme one utilizes the eccentric motor acting makes alarm produce vibrations and realizes warning function.Such scheme two utilizes the integrated package of programming by PLC to give alarm 30 to 50 seconds time of fire alarming, and in the time of fire alarming, eccentric motor and electric bell do work simultaneously, produces vibrations and sound, realizes warning function.
4, such scheme two used sensing devices are installed in small-sized digital product inside.
5, such scheme one all electrical parts are series connection; normal close alarm with the switch supporting plate when using small-sized digital product. outer protective cover and carry 1 to 5 of metallicses such as wearing steel wire in the key position of fibre arms band, necklace of usefulness, in case article such as cutter injure.In the scheme 2 hand switch is arranged so that when the small-sized digital product of normal use, close alarm.
6, the present invention protects the relevant position of the alarm module protective cover of bell-type alarm and outer protective cover can be according to the relevant position perforates such as earphone interface, charging inlet, display and keyboard of protection digital product; make and to carry out in protection bell-type alarm inside the use operation of small-sized digital product; for preventing to scratch; display and operation keyboard position will have transparent material to cover, all adopt transparent plastic material except.
7, such scheme two sensor-type alarms do not have the method for carrying specially.
8, such scheme 1 protection bell-type alarm is a universal accessories with the vibrations alarm module, can be common to the close protection shell type alarm of various appearances size.
Description of drawings
Fig. 1 is that the side-looking of limit-type alarm vibrations alarm module among the mobile phone embodiment is provided with synoptic diagram;
Fig. 2 is the partial schematic sectional view of vibrations alarm module among Fig. 1;
Fig. 3 shakes the K of alarm module under normally open to projection state's synoptic diagram among Fig. 1;
Fig. 4 shakes the K of alarm module under closed alarm condition to projection state's synoptic diagram among Fig. 1;
Fig. 5 is the side-looking structural representation of opposite side embodiment illustrated in fig. 1;
Fig. 6 is the partial schematic sectional view of alarm module among Fig. 5;
Fig. 7 is the enlarged diagram at L place among Fig. 6;
Fig. 8 is the electrical schematic diagram of Fig. 1-alarm principle shown in Figure 7;
Fig. 9 protects the bell-type alarm at normally open downside TV structure synoptic diagram among the mobile phone embodiment;
Figure 10 is the structural representation of Fig. 9 embodiment alarm module under closed alarm condition;
The alarm module change demonstration synoptic diagram at Fig. 9, Figure 10 two states D place on Figure 11;
Figure 12 is that the mobile phone embodiment that Fig. 9-11 is provided with protection bell-type alarm faces structural representation;
Figure 13 is the plan structure synoptic diagram of embodiment among Figure 12;
Figure 14 is the left TV structure synoptic diagram of embodiment among Figure 12;
Figure 15 is the structural representation that spacing supporting plate among the mobile phone embodiment that protects the bell-type alarm is set;
Figure 16 is the left TV structure synoptic diagram of Figure 15;
Figure 17 is the structural representation that outer protective cover among the mobile phone embodiment that protects the bell-type alarm is set;
Figure 18 is the left TV structure synoptic diagram of Figure 17;
Figure 19 is the structural representation of looking up of Figure 17;
Figure 20 is the structure for amplifying synoptic diagram at G place among Figure 18;
Figure 21 be provided with protection bell-type alarm mobile phone embodiment face structural representation;
Figure 22 is the plan structure synoptic diagram of Figure 21;
Figure 23 is the schematic rear view of mobile phone embodiment shown in Figure 21;
Figure 24 is the left TV structure synoptic diagram of Figure 21;
Figure 25 is the structural representation that the mobile phone embodiment of sensor-type alarm is set;
Figure 26 is the mounting structure synoptic diagram of alarm among Figure 25;
Figure 27 is the circuit theory synoptic diagram that the mobile phone embodiment of sensor-type alarm is set;
Figure 28 is the normally open synoptic diagram that sensor-type alarm embodiment is set;
Figure 29 is provided with the synoptic diagram of sensor-type alarm embodiment under alarm condition among Figure 28.
Embodiment
The composition of in Fig. 1-Fig. 8, clearly having represented the vitals vibrations alarm module of limit-type alarm: eccentric motor 5, limit switch 4, rechargeable battery 2 (can change lithium battery 3-4.5v into), form a series circuit.The vibrations alarm module is common to protection bell-type spacing alarm device and side-extract type spacing alarm device.Eccentric motor wherein can select for use the mobile phone of having finalized the design with shaking eccentric motor.Small-sized digital product in the corresponding size scope uses the vibrations alarm module of same specification.
In Fig. 9-protection bell-type alarm principle figure shown in Figure 11.Protection bell-type alarm can be understood as a kind of small-sized digital product protective sleeve that has warning function.Close when tight at alarm, the switch supporting plate 3 that is used for placing small-sized digital product is in the start of a run position, and limit switch 4 contacts in some meeting and the vibrations alarm module 1 contact, and contact point is called spacing point, represents this point with D.Limit switch is in normally closed contact at this moment, and circuit disconnects, and does not produce alarm.When mobile phone takes out from alarm, can drive the switch supporting plate and begin to do displacement movement disengaging D point from start of a run, shown in enlarged drawing, the limit switch contact ejects, by the normally closed normally opened contact that changes over to, circuit communication, eccentric motor begin acting, and the centrifugal force of generation makes the whole vibrations of alarm begin to report to the police.Owing to also can make alarm produce vibrations when normally using, can close alarm just at this moment only need to send the switch supporting plate back to start of a run as business such as mobile phone receive calls.
Figure 12-Figure 20 is the detailed construction diagram of protection bell-type alarm, the main armrest arm of protection bell-type.Neck and waist are worn.Fig. 3 has indicated the composition and the structure of protection bell-type alarm: general vibrations alarm module 1; alarm module is installed protective cover 122; limit switch supporting plate 3; outer protective cover 124; digital products such as mobile phone 125, limit switch 4, M3 * 7 sunk screws 7 vibrations alarm modules prevent in addition that in the middle of the protection bell-type switch supporting plate from not having the spacing and problem that comes off in stroke end; therefore when this alarm is in the end assembled, the vibrations alarm module is installed again after the switch supporting plate is installed earlier.
Figure 15-Figure 16 is the notion structural map of protection bell-type alarm switch spacing supporting plate, has one to be used for the necklace hole 151 of using when utilizing neck to wear at its end, and the other end closes when tight and limit switch contacts at alarm.
Figure 17-Figure 20 module is installed protective cover general vibrations alarm module and small-sized digital product is carried out ground floor protection, the eyelet 191 that uses when this protective cover back has to wear.For making the operator needn't take out operations such as mobile phone can receive calls, module is installed protective cover will be according to the size perforate of the positions such as keyboard, display, charging inlet and earphone interface of digital product.Can select transparent plastic material on the material.Tolerance fit between all accessories is clearance fit.
Figure 21-Figure 24 is that the outer protective cover and the mode of wearing of protection bell-type alarm illustrates.Outer protective cover has the double action of decorating and protecting to protection bell-type alarm, and material is elastic woven material or transparent plastic material.122 place's outer protective covers close tight device terminal setting of switch supporting plate among the figure, and as strap clamp, button and clothes close tightly alarm with magic card etc.Decoration function is the outward appearance that the design of outer protective cover can whole be beautified the spacing alarm device.What A, B, C three places represented among the figure is the perforate that is provided with according on the position outer protecting cover such as earphone interface, charging inlet, keyboard and display.Consider the scuffing and the protection against the tide of keyboard and location of displays perforate.The perforate of this position will cover transparent material.Except the outer protective cover of whole employing transparent material.The gap that outer protective cover and module are installed between the protective cover is that 1mm is between the 3mm.The eyelet that the necklace at 2 places and 3 places and wrist strap 203 that Wrist-wearing is used or waistband 202 pass D place and F place respectively among the figure just can be worn.Be to increase security, prevent to steal molecule and use cutter to commit a crime, should at the key position of the outer protective cover of snapback fibre material and to wear the diameter that penetrates some in the instrument of usefulness be steel wire or other metal materials of 0.5mm.
What Figure 25-Figure 27 represented is the notion structural map of sensor-type alarm.Form by eccentric motor 241, public address set electric bell 242, inductive switch 243 (photoelectric sensor switch Hall switch), regular hand tap 244, battery 245, integrated package 249 (PLC programming), M3X10 sunk screw 246, alarm over cap 247 parts.
In the schematic diagram and circuit diagram of the sensor-type alarm of Figure 28-Figure 29.The integrated package and inductive switch, hand switch, battery one end that have the PLC system are connected, and the other end and eccentric motor and electric bell in parallel connect, and alarm principle is at the built-in displacement transducer of small-sized digital product.Be provided with between the inductive switch of displacement transducer and alarm a safe inductive apart from 10mm between the 15mm.In the safe distance, inductive switch is because sense the electronic signal that displacement transducer sends, inductive switch is in normally closed contact, circuit disconnects, alarm does not take place, when between distance the time greater than safe distance, inductive switch can't be sensed the signal that displacement transducer sends and change normally opened contact over to, circuit communication, integrated package in the alarm uses the prior time of fire alarming 30s that sets by the PLC programming between the 50s, make eccentric motor in parallel and electric bell begin acting, produce vibrations warning and audible alert, remind the machine primary attention.Among the figure N to the change list contract quotation alarm device of M distance from preventing the variation of warning two states.After the time of fire alarming, inductive switch changes normally closed contact again over to, and circuit disconnects.If the machine master normally uses, can utilize hand switch that it is closed.This alarm scheme advantage is that volume is little, does not have the special-purpose method of wearing, and is applicable to the people that custom is arbitrarily carried small-sized digital product.
With people the different mode of carrying of small-sized digital product is divided into two kinds of schemes: limit-type alarm scheme and sensor-type alarm scheme.Limit-type alarm by one be used for placing the switch supporting plate of small-sized digital product, eccentric motor and mechanical type limit switch, the protective cover device three parts of series connection are formed.When switch supporting plate and limit switch contact contacted, limit switch was in normally closed contact.When switch supporting plate and limit switch contact disengaged, the eccentric motor that limit switch transfers normally opened contact and switch series connection to produced and begins acting, produces vibrations and makes alarm begin to report to the police.Sensor-type need are established a displacement transducer in small-sized digital product.Eccentric motor, inductive switch and an electric bell are installed in alarm.The signal that sends with the inductive switch induction pick-up is realized reporting to the police, sensor-type employing be the type of alarm that separates fully with small-sized digital product, do not need the special method of wearing.
The above; only be better embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.
Claims (9)
1. a burglar alarm for small digital product is characterized in that, comprises the switch and the hand switch of the battery, eccentric motor and the sensed position that connect with series system.
2. according to the described burglar alarm for small digital product of claim 1, it is characterized in that, in described series system, corresponding described eccentric motor electric bell in parallel.
3. according to the described burglar alarm for small digital product of claim 2; it is characterized in that; the switch of described sensed position is a limit switch, comprises the outer protective cover that is arranged at small-sized digital product, and parallel described outer protective cover slip is used for the spacing supporting plate of trigger switch.
4. according to the described burglar alarm for small digital product of claim 3, it is characterized in that described outer protective cover is provided with portable fibre arms band or necklace, and described fibre arms band or necklace comprise by 1 to 5 twisted wire that steel wire constitutes.
5. according to the described burglar alarm for small digital product of claim 3, it is characterized in that the structure corresponding to digital product on the described outer protective cover is provided with earphone interface, charging inlet, and the corresponding aperture of display and keyboard.
6. according to the described burglar alarm for small digital product of claim 2, it is characterized in that the switch of described sensed position is the sensing switch of perceived distance.
7. according to the arbitrary described burglar alarm for small digital product of claim 1-6, it is characterized in that described burglar alarm is installed in the small-sized digital product of long 140mm * wide 60mm * thick 30mm.
8. according to the described burglar alarm for small digital product of claim 7, it is characterized in that, the built-in PLC programming module of described electric bell, and be set to 30 to 50 seconds by described PLC programming module time of fire alarming.
9. described according to Claim 8 burglar alarm for small digital product is characterized in that the display of respective counts code product and keyboard are provided with the transparent material coverlay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100122690A CN101930645A (en) | 2009-06-26 | 2009-06-26 | Burglar alarm for small digital product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100122690A CN101930645A (en) | 2009-06-26 | 2009-06-26 | Burglar alarm for small digital product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101930645A true CN101930645A (en) | 2010-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100122690A Pending CN101930645A (en) | 2009-06-26 | 2009-06-26 | Burglar alarm for small digital product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101930645A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102210503A (en) * | 2011-05-23 | 2011-10-12 | 杨廷华 | Theftproof mobile phone strap |
| CN108538037A (en) * | 2018-06-07 | 2018-09-14 | 刁建程 | A kind of positioning alarm system for small type mobile devices |
-
2009
- 2009-06-26 CN CN2009100122690A patent/CN101930645A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102210503A (en) * | 2011-05-23 | 2011-10-12 | 杨廷华 | Theftproof mobile phone strap |
| CN108538037A (en) * | 2018-06-07 | 2018-09-14 | 刁建程 | A kind of positioning alarm system for small type mobile devices |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101229 |