CN200959158Y - Safety magnetic alarming device - Google Patents
Safety magnetic alarming device Download PDFInfo
- Publication number
- CN200959158Y CN200959158Y CN 200620108538 CN200620108538U CN200959158Y CN 200959158 Y CN200959158 Y CN 200959158Y CN 200620108538 CN200620108538 CN 200620108538 CN 200620108538 U CN200620108538 U CN 200620108538U CN 200959158 Y CN200959158 Y CN 200959158Y
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- Prior art keywords
- integrated circuit
- magnetic control
- alarm
- music integrated
- pin
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Abstract
The utility model discloses a magnetic burglar alarm. The alarm shell is mounted on a relatively fixed member of the object needing anti theft and has an alarm power source controlled by a switch, a magnetic element, a buzzer or speaker, a magnet controlling the magnetic element and mounted on a movable member corresponding to the relatively fixed member. The alarm is characterized in that the alarm shell is further provided with a music integrated circuit wafer and a boosting transformer, wherein, the foot3 of the music integrated circuit wafer is directly connected with the boosting transformer, and the buzzer or speaker is driven by the boosting transformer in a coupling manner. The the foot4 of the music integrated circuit wafer is connected with the magnetic element, and the foot1 is connected with the power source by the switch. The alarm circuit of the utility model adopts a special integrated circuit without an external connection with a crystal triode or a timing resister, and can directly output the buzzer or speaker driven by the boosting transformer in a coupling manner. Therefore, the model has the advantages of simple structure, stable performance and easy assembly, and solves the problems of cost and quality, which is ideally suited for the appliance as the luggage, door or window annunciator.
Description
Technical field
The utility model relates to alarm, particularly a kind of magnetic control burglar alarm.
Background technology
Very complicated in the magnetic control burglar alarm structure of being sold in the market, and price is higher.For example, the patent No. is that 91225875 Chinese patent discloses a kind of magnetic control burglar alarm, by lock control devices, oscillatory circuit, infrared receiving circuit, the magnetic switch circuit, the trigger switch circuit, delay switch circuit, the signal imitation generator, power amplification circuit and loudspeaker are formed, it is characterized in that: said lock control devices is made up of mechanical door lock and a magnet T who is installed in the door lock next door, said oscillatory circuit 1 is made up of ic chip 555, exit point 3 at IC555 is connected to an infrared-emitting diode LED respectively, with a piezoelectric ceramic piece HT, said infrared receiving key circuit 2 is by infrared receiving diode D1, controllable silicon SCR 1 and photoelectrical coupler G1 form, diode D1 is connected to the G utmost point of SCR1 by capacitor C 2, the K utmost point of SCR1 inserts the Signal Spacing pipe of photoelectrical coupler G1 by current-limiting resistance R5, said magnetic switch circuit 3 is by complex pipe BG3, BG4 and photoelectric tube LED2 and magnetron J form, collector at BG4 meets photoelectric tube LED2, between the emitter of the base stage of BG3 and BG4, be connected to magnetron J, said trigger switch circuit 4 is made up of controllable silicon SCR 2, the A utmost point of SCR2 and the G utmost point respectively with socket CK1, CK2 connects.Its weak point is, its warning circuit is very complicated, and element is many, and performance is stable inadequately, the manufacturing cost height.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of simple in structure, stable performance, magnetic control burglar alarm easy to assembly are provided.
The utility model solves the problems of the technologies described above the technical scheme that is adopted:
A kind of magnetic control burglar alarm, comprise the alarm housing, described alarm housing is installed on the relatively-stationary member that needs antitheft object, alarm power supply by switch control is arranged in the alarm housing, the magnetic control element, hummer or loudspeaker, on the antitheft object of needs with on the corresponding movable part of described relatively-stationary member the magnet of controlling described magnetic control element is being housed, it is characterized in that: in the described alarm housing music integrated circuit sheet and step-up transformer are housed also, 3 pin of described music integrated circuit sheet directly connect step-up transformer, through step-up transformer couple drive hummer or loudspeaker, 4 pin of music integrated circuit sheet connect the magnetic control element, and 1 pin of music integrated circuit sheet connects power supply by switch.
The further technical scheme that the utility model adopts is:
Described magnetic control element can be tongue tube or Hall element.
Described music integrated circuit sheet is KC3710B type integrated circuit or N9321 type integrated circuit.
Be connected to an oscillation resistance that is used for adjusting oscillation frequency between 5 pin of described music integrated circuit sheet and 6 pin.
Be connected in series a current-limiting resistance that is used for adjusting volume between 3 pin of described music integrated circuit sheet and the step-up transformer.
At described magnetic control element two ends and connect an electric capacity that is used for preventing self-excitation.
Between described music integrated circuit sheet 3 pin and power supply negative terminal, be connected to an electric capacity that is used for preventing self-excitation.
Between described music integrated circuit sheet 3 pin and power positive end, be connected to an electric capacity that is used for preventing self-excitation.
Between described power positive end and negative terminal, be connected to an electric capacity that is used for preventing self-excitation.
Because warning electronic circuit of the present utility model has adopted the special IC that need not external transistor, external oscillation resistance, it can directly be exported through step-up transformer couple drive hummer or loudspeaker.That the utility model compared with prior art has is simple in structure, stable performance, advantage such as easy to assembly, has solved cost and quality problems, is fit to very much products such as magnetic control case and bag, door and window alarm and uses.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the electrical schematic of the utility model embodiment 1;
Fig. 3 is the electrical schematic that the oscillation frequency of the utility model embodiment 2 is adjusted;
Fig. 4 is the electrical schematic that the volume of the utility model embodiment 3 is adjusted;
Fig. 5 is the electrical schematic that the anti-self-excitation of the utility model embodiment 4 is adjusted;
Fig. 6 is the electrical schematic that the anti-self-excitation of the utility model embodiment 5 is adjusted;
Fig. 7 is the electrical schematic that the anti-self-excitation of the utility model embodiment 6 is adjusted;
Fig. 8 is the electrical schematic that the anti-self-excitation of the utility model embodiment 7 is adjusted.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
Embodiment 1:
See figures.1.and.2, when the utility model is applied on the case and bag, comprise alarm housing 1, near the slider of zipper fastener 2 when the slide fastener that alarm housing 1 is installed in case and bag is closed condition, alarm power supply by K switch control is arranged in the alarm housing 1, magnetic control element S, hummer or loudspeaker F are equipped with the magnet T that controls magnetic control element S in the slider of zipper fastener 2 of case and bag.Whether magnetic control element S is used for controlling the work of warning electronic circuit, music integrated circuit sheet IC and step-up transformer L also are housed in the alarm housing, 3 pin of music integrated circuit sheet IC directly connect step-up transformer L, through step-up transformer L couple drive hummer or loudspeaker F, 4 pin of music integrated circuit sheet IC connect magnetic control element S, and 1 pin of music integrated circuit sheet IC connects power supply by K switch.The magnetic control element can adopt tongue tube or Hall element, or other magnetic induction device.The music integrated circuit sheet can adopt KC3710B type integrated circuit or N9321 type integrated circuit.
Its principle of work is as follows:
Under power switch K closure condition, when special slider of zipper fastener 2 is by magnetic control element S, magnetic control element S is subjected to the effect in special slider of zipper fastener 2 internal magnet T magnetic fields, thereby 4 pin (control end) of control music integrated circuit sheet IC are not worked music integrated circuit sheet IC, and hummer or loudspeaker F do not sound; When special slider of zipper fastener 2 is not by magnetic control element S, magnetic control element S is not subjected to the effect in special slider of zipper fastener 2 internal magnet T magnetic fields, 4 pin (control end) of music integrated circuit sheet IC are not received external control signal, thereby make music integrated circuit sheet IC work, hummer or the loudspeaker F sound that gives the alarm.When power switch K opened, circuit did not obtain power supply, and music integrated circuit sheet IC can't work, and hummer or loudspeaker F can not sound.
The utility model also can be applicable on the door and window, and at this moment, alarm housing 1 is contained on doorframe or the window frame, and magnet T is contained on door or the window, and principle of work and case and bag are basic identical.
Embodiment 2:
With reference to Fig. 3, between 5 pin of music integrated circuit sheet IC and 6 pin, be connected to an oscillation resistance R1 who is used for adjusting oscillation frequency.Other are with embodiment 1.
Embodiment 3:
With reference to Fig. 4, between 3 pin of music integrated circuit sheet IC and step-up transformer L, be connected in series a current-limiting resistance R2 who is used for adjusting volume.Other are with embodiment 1.
Embodiment 4:
With reference to Fig. 5, at magnetic control element S two ends and connect a capacitor C 2 that is used for preventing self-excitation.Other are with embodiment 1.
Embodiment 5:
With reference to Fig. 6, between music integrated circuit sheet IC3 pin and power supply negative terminal, be connected to a capacitor C 3 that is used for preventing self-excitation.Other are with embodiment 1.
Embodiment 6:
With reference to Fig. 7, between music integrated circuit sheet IC3 pin and power positive end, be connected to a capacitor C 4 that is used for preventing self-excitation.Other are with embodiment 1.
Embodiment 7:
With reference to Fig. 8, between power positive end and negative terminal, be connected to a capacitor C 1 that is used for preventing self-excitation.Other are with embodiment 1.
Embodiment 8:
Between 5 pin of music integrated circuit sheet IC and 6 pin, be connected to an oscillation resistance R1 who is used for adjusting oscillation frequency.Between 3 pin of music integrated circuit sheet IC and step-up transformer L, be connected in series a current-limiting resistance R2 who is used for adjusting volume.At magnetic control element S two ends and connect a capacitor C 2 that is used for preventing self-excitation.Other are with embodiment 1.
Claims (9)
1, a kind of magnetic control burglar alarm, comprise alarm housing (1), described alarm housing (1) is installed on the relatively-stationary member that needs antitheft object, alarm power supply by switch (K) control is arranged in the alarm housing (1), magnetic control element (S), hummer or loudspeaker (F), on the antitheft object of needs with on the corresponding movable part of described relatively-stationary member the magnet (T) of controlling described magnetic control element (S) is being housed, it is characterized in that: music integrated circuit sheet (IC) and step-up transformer (L) also are housed in the described alarm housing, 3 pin of described music integrated circuit sheet (IC) directly connect step-up transformer (L), through step-up transformer (L) couple drive hummer or loudspeaker (F), 4 pin of music integrated circuit sheet (IC) connect magnetic control element (S), and 1 pin of music integrated circuit sheet (IC) connects power supply by switch (K).
2, magnetic control burglar alarm according to claim 1 is characterized in that: described magnetic control element (S) can be tongue tube or Hall element.
3, magnetic control burglar alarm according to claim 1 is characterized in that: described music integrated circuit sheet (IC) is KC3710B type integrated circuit or N9321 type integrated circuit.
4, magnetic control burglar alarm according to claim 1 is characterized in that: be connected to an oscillation resistance (R1) that is used for adjusting oscillation frequency between 5 pin of described music integrated circuit sheet (IC) and 6 pin.
5, magnetic control burglar alarm according to claim 1 is characterized in that: be connected in series a current-limiting resistance (R2) that is used for adjusting volume between 3 pin of described music integrated circuit sheet (IC) and the step-up transformer (L).
6, according to claim 4 or 5 described magnetic control burglar alarms, it is characterized in that: at described magnetic control element (S) two ends and connect an electric capacity (C2) that is used for preventing self-excitation.
7, according to claim 1 or 4 described magnetic control burglar alarms, it is characterized in that: between described music integrated circuit sheet (IC) 3 pin and power supply negative terminal, be connected to an electric capacity (C3) that is used for preventing self-excitation.
8, magnetic control burglar alarm according to claim 1 or 5 is characterized in that: be connected to an electric capacity (C4) that is used for preventing self-excitation between described music integrated circuit sheet (IC) 3 pin and power positive end.
9, according to claim 4 or 5 described magnetic control burglar alarms, it is characterized in that: between described power positive end and negative terminal, be connected to an electric capacity (C1) that is used for preventing self-excitation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620108538 CN200959158Y (en) | 2006-10-01 | 2006-10-01 | Safety magnetic alarming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620108538 CN200959158Y (en) | 2006-10-01 | 2006-10-01 | Safety magnetic alarming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200959158Y true CN200959158Y (en) | 2007-10-10 |
Family
ID=38786036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620108538 Expired - Fee Related CN200959158Y (en) | 2006-10-01 | 2006-10-01 | Safety magnetic alarming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200959158Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704820A (en) * | 2012-05-31 | 2012-10-03 | 张朝峰 | Window-plate type alarming rail and manufacturing method thereof |
| CN103474056A (en) * | 2012-06-06 | 2013-12-25 | 连彦翔 | Electronic whistle |
-
2006
- 2006-10-01 CN CN 200620108538 patent/CN200959158Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704820A (en) * | 2012-05-31 | 2012-10-03 | 张朝峰 | Window-plate type alarming rail and manufacturing method thereof |
| CN102704820B (en) * | 2012-05-31 | 2014-09-10 | 张朝峰 | Window-plate type alarming rail and manufacturing method thereof |
| CN104060934A (en) * | 2012-05-31 | 2014-09-24 | 张朝峰 | Manufacturing method for window plate type warning fence |
| CN104060934B (en) * | 2012-05-31 | 2015-12-09 | 张朝峰 | The manufacture method on the board-like warning hurdle of window |
| CN103474056A (en) * | 2012-06-06 | 2013-12-25 | 连彦翔 | Electronic whistle |
| CN103474056B (en) * | 2012-06-06 | 2016-01-06 | 连彦翔 | Electronic chirp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071010 Termination date: 20101001 |