CN2345402Y - Anti-theft alarm for vehicle and cargo - Google Patents
Anti-theft alarm for vehicle and cargo Download PDFInfo
- Publication number
- CN2345402Y CN2345402Y CN 98229175 CN98229175U CN2345402Y CN 2345402 Y CN2345402 Y CN 2345402Y CN 98229175 CN98229175 CN 98229175 CN 98229175 U CN98229175 U CN 98229175U CN 2345402 Y CN2345402 Y CN 2345402Y
- Authority
- CN
- China
- Prior art keywords
- switch
- warning circuit
- flash light
- electronic warning
- negative pole
- 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 relates to an anti-theft alarm for vehicles and cargoes, belonging to a vehicle part. The utility model is composed of an anti-theft net, a micro switch, a contact device and an electronic alarm circuit. The anti-theft net and the micro switch are arranged on proper positions of a vehicle door, an engine hood and a cargo space; when the vehicles and cargoes are stolen, the micro switch is switched off, the anti-theft net is folded and broken, and the electronic alarm circuit is switched on immediately and emits sound and light alarm. The utility model is suitable for preventing the vehicles and cargoes from being stolen for the vehicles and is suitable for anti-theft alarm for motorcycles, financial rooms, storehouses and families. The utility model has the advantages of simple structure, low cost and price and reliable alarm.
Description
The utility model relates to a kind of car goods burglar alarm, belongs to vehicular spare parts, is suitable for automobile and goods and reports to the police when anxious when stolen, finds when anxious, avoids the usefulness of loss.
ZL90214712 " car alarm ", because when using annunciator, cut off the car engine ignition low voltage circuit, automobile can not start, therefore this annunciator exists automobile to use when stopping, the weak point that when starting, can not report to the police, in addition, the series connection net of this annunciator is the negative pole that is connected on the vehicle body each several part, therefore, it is unreliable to work, and robber person is had an opportunity to take advantage of, the possibility of cause car easily, still not reporting to the police when goods is stolen.So far, never there is automobile stopping or starting and can both report to the police when stolen, and the car alarm that can reliably report to the police.
The purpose of this utility model is to overcome existing annunciator can only be antitheft when automobile stops, stolen insecure weak point of can not reporting to the police and report to the police when start, thus a kind of car goods burglar alarm is provided; No matter when automobile stopped or starting, as long as the car door or the freight house of automobile are opened, annunciator just can be reported to the police safely and reliably for it.
The purpose of this utility model realizes by following approach:
Be provided with on the circuit card that the utility model is in housing to be fixed and comprise at least one anti-theft net, at least one micro-switch, parts such as contactless switch and electronic warning circuit, at least one is connected with at least one micro-switch by the anti-theft net that traverse net becomes, insert power cathode after the one end sealed in contactless coil, the other end inserts positive source by switch after sealing in file protect, again power cathode is inserted electronic warning circuit negative pole by the contactless switch normally closed contact, corresponding normal opened contact inserts electronic warning circuit positive pole by indicator lamp, and should insert positive source and insert anti-theft net by file protect by switch by positive pole.Between said power cathode and electronic alarm circuit negative pole, be connected to a self-test switch, as the usefulness of checking that alarm work is whether normal.The output circuit of sound and light in parallel between said electronic alarm positive and negative electrode.Said light output circuit is controlled by switch, and with between flash light relay contact and the flash light by anodal linking to each other of the set flash light of switch and automobile; So that the brightness of accent light warning where necessary inserts set loud horn negative pole in the automobile with electronic warning circuit negative pole by switch, so that strengthen the sound of audible alarm in case of necessity.
Figure is the schematic diagram of the utility model embodiment, wherein: 1-anti-theft net, 2-micro-switch, the 3-contactless switch, 4-contactless coil, 5-normally closed contact, the 6-normal opened contact, 7-file protect, 8-switch, the 9-indicator lamp, the 10-positive source, 11-power cathode, 12-electronic warning circuit positive pole, 13-electronic warning circuit negative pole, the 14-switch, 15-switch, 16-self-test switch, the 17-flash light, 18-sound output circuit, 19-flash light relay contact, 20-electronic warning circuit, flash light positive pole in the A-body inner height sound loudspeaker negative pole, B-car.
The utility model embodiment describes in detail below in conjunction with accompanying drawing:
Be provided with on the circuit card that the utility model embodiment is in housing to be fixed and comprise an anti-theft net 1, three micro-switchs 2, parts such as contactless switch 3 and electronic warning circuit 20, connect with three micro-switchs 2 by the anti-theft net 1 that traverse net becomes, the one end is sealed in contactless coil 4 backs insert power cathode 11, the other end seals in file protect 7 backs and inserts positive source 10 by switch 8, again power cathode 11 is inserted electronic warning circuit negative pole 13 by contactless switch 3 normally closed contacts 5, corresponding normal opened contact 6 inserts electronic circuit positive pole 12 by indicator lamp 9, and should insert positive source 10 and insert anti-theft net 1 by file protect 7 by switch 8 by positive pole 12.Between said power cathode 11 and electronic warning circuit negative pole 13, be connected to a self-test switch 16.Reach the light output circuit of forming by flash light relay contact 19 series connection flash lights 17 at said electronic warning circuit anodal 12 and the sound output circuit 18 of 13 parallel connections of negative pole, and will link to each other by the anodal B of the set flash light of switch 15 and automobile between flash light relay contact 19 and the flash light 17, with electronic warning circuit negative pole 13 by set loud horn negative pole A in the switch 14 access automobiles.
During use, anti-theft net 1 is sealed freight house, three micro-switchs 2 are located at car door and car bonnet correct position respectively, insert power supply, combined floodgate switch 8, contactless coil 4 energisings at this moment make contactless switch 3 actions, normal opened contact 6 closures, indicator lamp 9 is bright, and electronic warning circuit 20 is not worked.In case micro-switch 2 or the anti-theft net stolen disconnection in 1 arbitrary place, contactless coil 4 be because of dead electricity discharges, normally closed contact 5 closures at this moment, normal opened contact 6 disconnects, and indicator lamp 9 is dark, and 20 work of electronic warning circuit are sent sound, light is reported to the police.The sound and the light of reporting to the police for strengthening can disconnect switch 19, close a switch 14 and switch 15.Check as needs whether 20 work of electronic warning circuit are normal, can close a switch 8 and switch 16, carry out self check.
The utility model contrast prior art has following advantage:
Can prevent when 1, the utility model not only stops on automobile or the car that goods is stolen and send sound, light is reported to the police, and is exactly in the start way, if when having goods stolen, also can send sound, light is reported to the police;
2, anti-theft net of the present utility model is connected on the positive source side, thereby burglar alarm is reliable;
3, the utility model is simple in structure, and cost is low, low price.
Claims (3)
1, a kind of car goods burglar alarm, it is characterized in that comprising at least one anti-theft net (1), at least one micro-switch (2), contactless switch (3) and electronic warning circuit parts such as (20), connect with micro-switch (2) by the anti-theft net (1) that traverse net becomes, the one end is sealed in contactless coil (4) back insert power cathode (11), the other end seals in file protect (7) back and inserts positive source (10) by switch (8); Again power cathode (11) is inserted the negative level of electronic warning circuit (13) by contactless switch (3) normally closed contact (5), corresponding normal opened contact (6) inserts electronic circuit positive pole (12) by indicator lamp (9), and should insert positive source (10) and insert anti-theft net (1) by file protect (7) by switch (8) by positive pole (12).
2, by the described car goods of claim 1 burglar alarm, it is characterized in that being connected to a self-test switch (16) between said power cathode (11) and the electronic warning circuit negative pole (13).
3, connect the described car goods of claim 1 and claim 2 burglar alarm, it is characterized in that sound output circuit in parallel (18) between said electronic warning circuit positive pole (12) and negative pole (13) and the light output circuit of forming by flash light relay contact (19) series connection flash light (17), and link to each other by the set flash light positive pole (B) of switch (15) and automobile between flash light relay contact (19) and the flash light (17); Electronic warning circuit negative pole (13) is inserted set loud horn negative pole (A) in the automobile by switch (14).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 98229175 CN2345402Y (en) | 1998-07-23 | 1998-07-23 | Anti-theft alarm for vehicle and cargo |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 98229175 CN2345402Y (en) | 1998-07-23 | 1998-07-23 | Anti-theft alarm for vehicle and cargo |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2345402Y true CN2345402Y (en) | 1999-10-27 |
Family
ID=33979109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 98229175 Expired - Fee Related CN2345402Y (en) | 1998-07-23 | 1998-07-23 | Anti-theft alarm for vehicle and cargo |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2345402Y (en) |
-
1998
- 1998-07-23 CN CN 98229175 patent/CN2345402Y/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 |