CN204143574U - A kind of safety cabinet alarm - Google Patents
A kind of safety cabinet alarm Download PDFInfo
- Publication number
- CN204143574U CN204143574U CN201420471277.8U CN201420471277U CN204143574U CN 204143574 U CN204143574 U CN 204143574U CN 201420471277 U CN201420471277 U CN 201420471277U CN 204143574 U CN204143574 U CN 204143574U
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- China
- Prior art keywords
- triode
- resistance
- current
- safety cabinet
- amplifier
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- 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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- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- Emergency Alarm Devices (AREA)
Abstract
The utility model discloses a kind of safety cabinet alarm, comprise 5V power supply, light-operated amplifying circuit, warning lamp X1 and hummer U1.Light-operated circuit is made up of phototriode Q2, current-limiting resistance R1, current-limiting resistance R2, current-limiting resistance R3, amplifier Q4, amplifier Q5, amplifier Q6 and amplifier Q7; This alarm is in fact a photoelectric alarm, and it is put into safety cabinet, effectively can stop the valuables in other people theft insurance's cabinet.The utility model structure is simple, as long as the environment at safety cabinet place has certain light, once safety cabinet is opened, it just can send the high loudness early warning sound, and along with the flicker of warning lamp X1, well can warn robber and prompting is sent to the owner of safety cabinet and neighbours.
Description
Technical field
The utility model relates to technical field of electronic control, specifically a kind of safety cabinet attention device.
Background technology
Existing safety cabinet kind is a lot; for example mechanical type, electronic type; but its great majority are all provide protection service based on password aspect to user's property; unpromising client provides other safeguard measure; once safety cabinet password is revealed or is broken, the property safety of user is just faced with direct threat.
Utility model content
The purpose of this utility model is to provide a kind of structure simple, functional strong safety cabinet alarm, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of safety cabinet alarm, comprise 5V power supply, light-operated amplifying circuit, warning lamp X1 and hummer U1, light-operated amplifying circuit comprises phototriode Q2, current-limiting resistance R1, current-limiting resistance R2 and amplifier Q4, the optical signal amplification that amplifier Q4 will receive, pass to subsequent conditioning circuit, current-limiting resistance R1 connects the base stage of current-limiting resistance R2 and amplifier Q4 respectively, the collector of described phototriode Q2 connects the other end of current-limiting resistance R1, current-limiting resistance R2 other end contact resistance R3, the emitter of triode Q7 and triode Q9 ground connection, the resistance R3 other end is the base stage of connecting triode Q6 and the collector of amplifier Q4 respectively, the base stage of the emitter connecting triode Q5 of triode Q6, the emitter of triode Q5 connects the base stage of Q7, triode Q5, triode Q6, the collector of triode Q7 and resistance R4 are all connected on warning lamp X1, the warning lamp X1 other end connects the emitter of photoresistance Q2, the emitter of amplifier Q4 and the base stage of triode Q8, the resistance R4 other end connects electric capacity C1 and electric capacity C2 respectively, the collector of shunt capacitance C1C2 other end difference connecting triode Q8, primary coil one end of transformer T2, the base stage of resistance R5 and triode Q9, the collector of resistance R5 other end connecting triode Q9, the emitter of triode Q8 connects the other end of the primary coil of 5V power supply and transformer T2 respectively, the secondary coil of transformer T2 connects hummer U1.
Compared with prior art, the beneficial effects of the utility model are: can when safety cabinet has password, secondary fuse is carried out to safety cabinet, as long as the environment at safety cabinet place has certain light, once safety cabinet is opened, it just can send the high loudness early warning sound, and along with the flicker of warning lamp, well can warn robber and prompting is sent to the owner of safety cabinet and neighbours, substantially increase the security of safety cabinet, and the small and exquisite facility of the utility model, manufacturing process is simple, and cost is little.
Accompanying drawing explanation
Fig. 1 is the structural representation of safety cabinet alarm.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of safety cabinet alarm, comprise 5V power supply, light-operated amplifying circuit, warning lamp X1 and hummer U1, light-operated amplifying circuit comprises phototriode Q2, current-limiting resistance R1, current-limiting resistance R2 and amplifier Q4, current-limiting resistance R1 connects the base stage of current-limiting resistance R2 and amplifier Q4 respectively, the collector of described phototriode Q2 connects the other end of current-limiting resistance R1, current-limiting resistance R2 other end contact resistance R3, the emitter of triode Q7 and triode Q9 ground connection, the resistance R3 other end is the base stage of connecting triode Q6 and the collector of amplifier Q4 respectively, the base stage of the emitter connecting triode Q5 of triode Q6, the emitter of triode Q5 connects the base stage of Q7, triode Q5, triode Q6, the collector of triode Q7 and resistance R4 are all connected on warning lamp X1, the warning lamp X1 other end connects the emitter of photoresistance Q2, the emitter of amplifier Q4 and the base stage of triode Q8, the resistance R4 other end connects electric capacity C1 and electric capacity C2 respectively, the collector of shunt capacitance C1C2 other end difference connecting triode Q8, primary coil one end of transformer T2, the base stage of resistance R5 and triode Q9, the collector of resistance R5 other end connecting triode Q9, the emitter of triode Q8 connects the other end of the primary coil of 5V power supply and transformer T2 respectively, the secondary coil of transformer T2 connects hummer U1.As long as the environment at safety cabinet place has certain light, once safety cabinet is opened, it just can send the high loudness early warning sound, and along with the flicker of warning lamp, well can warn robber and send prompting to the owner of safety cabinet and neighbours.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should by instructions integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (2)
1. a safety cabinet alarm, comprise 5V power supply, light-operated amplifying circuit, warning lamp X1 and hummer U1, it is characterized in that, described light-operated amplifying circuit comprises phototriode Q2, current-limiting resistance R1, current-limiting resistance R2 and amplifier Q4, current-limiting resistance R1 connects the base stage of current-limiting resistance R2 and amplifier Q4 respectively, the collector of described phototriode Q2 connects the other end of current-limiting resistance R1, current-limiting resistance R2 other end contact resistance R3, the emitter of triode Q7 and triode Q9 ground connection, the resistance R3 other end is the base stage of connecting triode Q6 and the collector of amplifier Q4 respectively, the base stage of the emitter connecting triode Q5 of triode Q6, the emitter of triode Q5 connects the base stage of Q7, triode Q5, triode Q6, the collector of triode Q7 and resistance R4 are all connected on warning lamp X1, the warning lamp X1 other end connects the emitter of photoresistance Q2, the emitter of amplifier Q4 and the base stage of triode Q8, the resistance R4 other end connects electric capacity C1 and electric capacity C2 respectively, the collector of shunt capacitance C1C2 other end difference connecting triode Q8, primary coil one end of transformer T2, the base stage of resistance R5 and triode Q9, the collector of resistance R5 other end connecting triode Q9, the emitter of triode Q8 connects the other end of the primary coil of 5V power supply and transformer T2 respectively, the secondary coil of transformer T2 connects hummer U1.
2. a kind of safety cabinet alarm according to claim 1, is characterized in that, described warning lamp rated voltage is 5V, and rated power is 5W.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420471277.8U CN204143574U (en) | 2014-08-15 | 2014-08-15 | A kind of safety cabinet alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420471277.8U CN204143574U (en) | 2014-08-15 | 2014-08-15 | A kind of safety cabinet alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204143574U true CN204143574U (en) | 2015-02-04 |
Family
ID=52420246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420471277.8U Expired - Fee Related CN204143574U (en) | 2014-08-15 | 2014-08-15 | A kind of safety cabinet alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204143574U (en) |
-
2014
- 2014-08-15 CN CN201420471277.8U patent/CN204143574U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 Termination date: 20150815 |
|
| EXPY | Termination of patent right or utility model |