CN2127508Y - Anti-theft alarm - Google Patents
Anti-theft alarm Download PDFInfo
- Publication number
- CN2127508Y CN2127508Y CN 92208904 CN92208904U CN2127508Y CN 2127508 Y CN2127508 Y CN 2127508Y CN 92208904 CN92208904 CN 92208904 CN 92208904 U CN92208904 U CN 92208904U CN 2127508 Y CN2127508 Y CN 2127508Y
- Authority
- CN
- China
- Prior art keywords
- switch
- contactor
- alarm
- door
- 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
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- Burglar Alarm Systems (AREA)
Abstract
The utility model discloses an anti-theft alarm which belongs to the technical field of the alarm device. The utility model can give an alarm when the door and the window of the house are pried. The anti-theft alarm comprises a buzzer, a switch and a contactor. The buzzer and the contactor respectively adopts a sole electrical source to realize the electric supply. A door and window lock, a toggle switch and a microswitch are connected in series, and the door and window lock is provided with a set of switch contacts. Besides the microswitch and the door and window lock switch, the parts of the anti-theft alarm are totally installed in the inner of an iron box, and the iron box is provided with a lock. The utility model has the advantages of simple structure, convenient installation, low cost and reliable performance. The anti-theft alarm is suitable for the safe and anti-theft installation use of various doors, windows and sealed appliances.
Description
The utility model belongs to the warning device technical field, the burglar alarm that further relates to and be used for the house door, reports to the police when window is prized.
At present, commercially available RL6-9012 type burglar alarm doorbell is when the house door, sends alarm sound by doorbell when window is prized.But its weak point is easily to produce false alarm, and promptly owner or stranger enter and can send alarm sound, and after the electric wire in the circuit was torn, chimes of doom was ended.
The purpose of this utility model is to provide a kind of house door, when window is prized, interrogates Chinese percussion instrument and report to the police, and has both made the outside line open circuit, still the burglar alarm that can report to the police.
The utility model comprises news Chinese percussion instrument, switch and contactor, and news Chinese percussion instrument and contactor adopt independent power supply power supply separately, is connected in series with door and window lock, toggle switch or screw switch and the microswitch of one group of make and break contact.Each device of alarm is all packed into except that microswitch and door and window lock-switch in the can with lock.
The utility model will be further described below in conjunction with accompanying drawing.
Fig. 1 is a circuit connection diagram of the present utility model.
The utility model door, sash lock switch (5) are the lock with one group of make and break contact, and it and toggle switch or screw switch (3) and microswitch (4) are connected in series.The point of fixity of toggle switch (3) meets the self-insurance contact B of contactor, and the point of fixity of door, window switch (5) connects an end of contactor coil, and this end meets contactor self-insurance contact B simultaneously.Another termination contactor power supply E2 one end of contact coil, another termination screw switch (3) of E2 and the contact of microswitch (4).One winding point A of 701 types news Chinese percussion instrument and contactor and news Chinese percussion instrument power supply E1 are connected in series.Each device of alarm is in the can (6) of microswitch (4) and door, all pack into the window switch (5) (7) with lock, and microswitch (4) is loaded on doorframe or the window frame.News Chinese percussion instrument power supply E1 and contactor power supply E2 can be two groups of outputs of a power supply.
This alarm is at normal door, when window is closed, and screw switch (3) is in on-state, and microswitch (4) is backed down by door or window, door or window key lock, and door and window lock-switch (5) is connected.When normal door, window, open Switch for door and window (5) with key, pushing the door open connects microswitch (4), but owing to door, window switch (5) open circuit, the still obstructed contactor in loop (2) is failure to actuate.
Under improper situation, when door or window were pried open, door, window switch (5) they were former lock-out states, and promptly switch (5) is an on-state, and microswitch (4) resets, and promptly connects, and the alarm loop is connected, contactor (2) action, and news Chinese percussion instruments (1) are reported to the police.Because contactor (2) has self-insurance contact B, and contactor (2), screw switch (3), power supply E1 and E2, news Chinese percussion instrument (1) are all packed in the can (6) of (7) with lock, so external circuit was torn, promptly open a way, news Chinese percussion instruments (1) still can continue to report to the police, because the news Chinese percussion instrument has independent power supply E1.
Under improper alarm condition, only open can (6), adjustable screw switch (3) disconnects its contact, contactor self-insurance contact B discharges, and contactor (2) is resetted, and warning stops, thereafter adjustable screw switch (3) makes it to be in on-state, and circuit recovers the preparation alarm condition.
The utility model is simple in structure, easy for installation, and cost is low, and dependable performance is applicable to that the safe antitheft of various doors, window and various airtight implements is installed and used.
Claims (3)
1, a kind of burglar alarm, it comprises news Chinese percussion instrument, switch and contactor, and it is characterized in that: described switch (3), (4), (5) are connected in series, and the point of fixity of switch (3) meets the self-insurance contact B of contactor.The point of fixity of switch (5) connects an end of contactor coil, this end meets contactor self-insurance contact B simultaneously, another termination contactor power supply E2 end of contactor coil, another termination switch (3) of E2 and the contact of (4), one winding point A of described news Chinese percussion instrument and contactor and news Chinese percussion instrument power supply E1 are connected in series, and each device of alarm removes in the can (6) of switch (4) and (5) and all pack into (7) with lock.
2, alarm as claimed in claim 1 is characterized in that: described switch (3) is toggle switch or screw switch.
3, alarm as claimed in claim 1 is characterized in that: described news Chinese percussion instrument power supply E1 and contactor power supply E2 can be two groups of outputs of a power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92208904 CN2127508Y (en) | 1992-05-03 | 1992-05-03 | Anti-theft alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92208904 CN2127508Y (en) | 1992-05-03 | 1992-05-03 | Anti-theft alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2127508Y true CN2127508Y (en) | 1993-02-24 |
Family
ID=33762576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92208904 Expired - Fee Related CN2127508Y (en) | 1992-05-03 | 1992-05-03 | Anti-theft alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2127508Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680001A (en) * | 2013-12-12 | 2014-03-26 | 陈一凡 | Anti-theft device for door and window |
-
1992
- 1992-05-03 CN CN 92208904 patent/CN2127508Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680001A (en) * | 2013-12-12 | 2014-03-26 | 陈一凡 | Anti-theft device for door and window |
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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 |