CN2768101Y - Anti-theft alarm - Google Patents
Anti-theft alarm Download PDFInfo
- Publication number
- CN2768101Y CN2768101Y CN 200520089174 CN200520089174U CN2768101Y CN 2768101 Y CN2768101 Y CN 2768101Y CN 200520089174 CN200520089174 CN 200520089174 CN 200520089174 U CN200520089174 U CN 200520089174U CN 2768101 Y CN2768101 Y CN 2768101Y
- Authority
- CN
- China
- Prior art keywords
- utility
- model
- thief
- sheet metal
- window
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002184 metal Substances 0.000 claims abstract description 26
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Burglar Alarm Systems (AREA)
Abstract
The utility model relates to an anti-theft alarm which belongs to a safety protection device. The utility model comprises an alarm circuit which is composed of metal slices and an electric bell. The utility model is characterized in that the metal slices are respectively arranged at the lower part of a movable sash of a window and in a bottom groove of a window frame; the metal slice at the lower part of the movable sash and the metal slice in the bottom groove are connected with the electric bell with a conducting wire to be connected in series with the alarm circuit; the alarm circuit is also connected in series with an acoustic control telephone. The utility model has the advantages of simple structure, low cost and strong operability. The utility model has a good function for preventing theft and driving a thief, the utility model can remind an owner which is asleep to get up and catch a thief in time, and the utility model is safe and practical. The utility model has definite invisibility and can not easily be discovered by a thief. The utility model can be used on windows of families and offices.
Description
Technical field
The utility model relates to a kind of alarm, particularly relates to a kind of being exclusively used in and prevents the thief from the burglar alarm that window enters, and is to the replenishing of existing burglar alarm kind, and belongs to safety apparatus, and suitable town and country are common, and other installs and uses.
Background technology
At present, existing burglar alarm kind is a lot, the existing thief of preventing enters from door, also have to prevent that the thief from entering from window, substantially all be medium-to-high grade product, its complex structure, bring a high price, be unsuitable in town and country common other popularize and promote.And great majority other still only prevent that by closing traditional window the thief enters, also have and outside window, install one protection network additional, but above-mentioned measure can not prevent entering of thief.For guaranteeing a stable life order, people press for the burglar alarm that a kind of popular style can be arranged and come out.
The utility model content
The purpose of this utility model is to overcome the prior art above shortcomings, improves by research, provides a kind of burglar alarm of popular style.This novel burglar alarm is simple in structure, cheap, workable, has the stronger antitheft crafty function of driving, and can in time remind the owner who sleep soundly to get up to catch a thief, both safe and practical, have certain disguise again and be difficult for being found by the thief, can be widely used on the window of family and office.
The technical scheme that the utility model provides is: this burglar alarm, include one by sheet metal, electric bell, the warning circuit formed, be characterized in that described sheet metal is separately positioned in the kerve of following and window frame of active fan of window, sheet metal, the sheet metal in the kerve below the active fan are connected by lead with electric bell, parallel-series also is in series with a voice control telephone in the warning circuit in warning circuit.
Warning circuit in the technique scheme is the common series circuit, adopting 1.5 volts dry cell is power supply, during burglar alarm work, the contactor closure, sheet metal below active fan when window is closed does not contact with sheet metal in the kerve, making warning circuit is off state, and the electric bell and the voice control telephone that are connected in the circuit are not all worked.In case the thief leaps in through the window, as long as push window open, the sheet metal below the active fan will contact with the sheet metal in the kerve, and whole warning circuit forms path, and the electric bell and the voice control telephone that are connected in the circuit are all started working, and send alerting signal.
Compared with prior art, the beneficial effects of the utility model are: simple in structure, cheap, workable, have and stronger antitheftly drive crafty function, and can in time remind the owner who sleep soundly to get up to catch a thief, both safe and practical, have certain disguise again and be difficult for being found, can be widely used on the window of family and office by the thief.
Description of drawings
Accompanying drawing is the warning circuit schematic diagram of the embodiment that provides of the utility model.
Number in the figure: 1. the sheet metal below the active fan, the 2. sheet metal in the kerve, 3. power supply, 4. contactor, 5. electric bell, 6. voice control telephone, 7. window is drawn.
Embodiment
As shown in Figure 1, this burglar alarm that the utility model provides, include one by sheet metal, electric bell, the warning circuit formed, wherein sheet metal is separately positioned in the kerve of following and window frame of active fan of window, sheet metal 1 below the active fan, the sheet metal 2 in the kerve and electric bell 5 are connected by lead, parallel-series also is in series with a voice control telephone 6 in the warning circuit in warning circuit.
When burglar alarm is worked, contactor 4 closures, the sheet metal 1 below the active fan when window is closed does not contact with the sheet metal 2 in the kerve, and making warning circuit is off state, and the electric bell 5 and the voice control telephone 6 that are connected in the circuit are not all worked.In case the thief leaps in through the window, as long as push window open, the sheet metal 1 below the active fan will contact with the sheet metal 2 in the kerve, and whole warning circuit forms path, and the electric bell 5 and the voice control telephone 6 that are connected in the circuit are all started working, and send alerting signal.
Claims (1)
1. burglar alarm, include one by sheet metal, electric bell, the warning circuit formed, it is characterized in that described sheet metal is separately positioned in the kerve of following and window frame of active fan of window, sheet metal, the sheet metal in the kerve below the active fan are connected by lead with electric bell, parallel-series also is in series with a voice control telephone in the warning circuit in warning circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520089174 CN2768101Y (en) | 2005-02-01 | 2005-02-01 | Anti-theft alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520089174 CN2768101Y (en) | 2005-02-01 | 2005-02-01 | Anti-theft alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2768101Y true CN2768101Y (en) | 2006-03-29 |
Family
ID=36681970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520089174 Expired - Fee Related CN2768101Y (en) | 2005-02-01 | 2005-02-01 | Anti-theft alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2768101Y (en) |
-
2005
- 2005-02-01 CN CN 200520089174 patent/CN2768101Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |