CN2249928Y - Alarm for preventing livestocks from being stolen - Google Patents
Alarm for preventing livestocks from being stolen Download PDFInfo
- Publication number
- CN2249928Y CN2249928Y CN 95232840 CN95232840U CN2249928Y CN 2249928 Y CN2249928 Y CN 2249928Y CN 95232840 CN95232840 CN 95232840 CN 95232840 U CN95232840 U CN 95232840U CN 2249928 Y CN2249928 Y CN 2249928Y
- Authority
- CN
- China
- Prior art keywords
- utility
- model
- livestock
- control circuit
- alarm
- 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 alarm for preventing livestock from being stolen. The utility model comprises a deconcentrator, a connector, a neck sleeve and a loudspeaker. The utility model is characterized in that the deconcentrator is connected with a control circuit, and the control circuit is composed of a four-operational amplifier LM324, resistances R1-R4, diodes D1-D2, a controllable silicon SRC and shunt resistances R5-R6; an output terminal of the controllable silicon SRC of the control circuit is connected with an alarm circuit, and the alarm circuit is composed of a language sheet SR8803A, the resistances R7-R12, capacitance C1-C2, a constant voltage diode DZ and a power amplifier LM386; the alarm circuit is connected with the loudspeaker by the capacitance C3. The utility model has the advantages of good anti-theft performance. The utility model can be simultaneously used for a plurality of livestock.
Description
The utility model relates to animal husbandry utensil field, particularly a kind of livestock burglar alarm.
Livestock is that indispensable major impetus, particularly rural area have been carried out after the farmland covered by contract in the agricultural production, and each peasant household has all raised 1-3 livestock, so it occupies very consequence in household economy.The method of stable breeding is mainly taked for livestock in the rural area at present, though can play the effect of keeping out the wind, taking shelter from rain, does not have antitheft function, because stolen serious the rural area livestock, some families have adopted the method for chain lock, but can not prevent fundamentally that livestock is stolen.
The purpose of this utility model provides a kind of livestock burglar alarm that can prevent effectively that livestock from losing.
The purpose of this utility model is achieved in that it comprises deconcentrator, connector, neck cover and loudspeaker, it is characterized in that deconcentrator and be connected by four-operational amplifier LM324, resistance R 1-R4, diode D1-D2, controllable silicon SRC and the control circuit that shunt resistance R5-R6 forms, in the control circuit output terminal of controllable silicon SRC with by language sheet SR8803A, resistance R 7-R12, capacitor C 1-C2, voltage stabilizing diode DZ is connected with the warning circuit that power amplifier LM386 forms, and warning circuit links to each other with loudspeaker by capacitor C 3.
The utlity model has advantage simple in structure, easy to use, that theftproof performance is good, also have warning function, can use simultaneously for the bull livestock.
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the circuit diagram of livestock burglar alarm.
Fig. 2 is the user mode synoptic diagram of livestock burglar alarm.
Shown in Fig. 1-2, this livestock burglar alarm comprises deconcentrator 1, connector 2, neck cover 3 and loudspeaker 4, deconcentrator 1 with by four-operational amplifier LM324, resistance R 1-R4, diode D1-D2, controllable silicon SRC is connected with the control circuit that shunt resistance R5-R6 forms, in the control circuit output terminal of controllable silicon SRC with by language sheet SR8803A, resistance R 7-D12, capacitor C 1-C2, voltage stabilizing diode DZ is connected with the warning circuit that power amplifier LM386 forms, wherein the output terminal of language sheet SR8803A is connected with the pin 3 of power amplifier LM386, and its pin 5 is connected with loudspeaker 4 by capacitor C 3.During use, can three neck covers 3 be connected on the input end of control circuit by deconcentrator 1, connector 2, during work, electric current by R1 and R2 relies on R3, R4 shunting, controllable silicon SRC does not start, in case the stolen person of circuit cuts off, input current drives controllable silicon SRC action by four-operational amplifier LM324, diode D1-D2, signal is the language sheet SR8803A in warning circuit again, and power amplifier LM386 delivers to loudspeaker 4 and sends alerting signal.
Claims (1)
1, a kind of livestock burglar alarm, it comprises deconcentrator, connector, neck cover and loudspeaker, it is characterized in that deconcentrator and be connected by four-operational amplifier LM324, resistance R 1-R4, diode D1-D2, controllable silicon SRC and the control circuit that shunt resistance R5-R6 forms, in the control circuit output terminal of controllable silicon SRC with by language sheet SR8803A, resistance R 7-R12, capacitor C 1-C2, voltage stabilizing diode DZ is connected with the warning circuit that power amplifier LM386 forms, and warning circuit links to each other with loudspeaker by capacitor C 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95232840 CN2249928Y (en) | 1995-11-30 | 1995-11-30 | Alarm for preventing livestocks from being stolen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95232840 CN2249928Y (en) | 1995-11-30 | 1995-11-30 | Alarm for preventing livestocks from being stolen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2249928Y true CN2249928Y (en) | 1997-03-19 |
Family
ID=33877104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95232840 Expired - Fee Related CN2249928Y (en) | 1995-11-30 | 1995-11-30 | Alarm for preventing livestocks from being stolen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2249928Y (en) |
-
1995
- 1995-11-30 CN CN 95232840 patent/CN2249928Y/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 |