CN202834355U - Human body induction anti-theft alarm valve - Google Patents
Human body induction anti-theft alarm valve Download PDFInfo
- Publication number
- CN202834355U CN202834355U CN 201220574223 CN201220574223U CN202834355U CN 202834355 U CN202834355 U CN 202834355U CN 201220574223 CN201220574223 CN 201220574223 CN 201220574223 U CN201220574223 U CN 201220574223U CN 202834355 U CN202834355 U CN 202834355U
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- pin
- time base
- base circuit
- base circuits
- negative pole
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Abstract
The utility model relates to a valve and particularly relates to a human body induction anti-theft alarm valve. The human body induction anti-theft alarm valve is characterized in that a pin 4 and a pin 8 of a 555 time base circuit are connected with a positive pole of a direct current power supply through a power supply switch, a pin 1 of the 555 time base circuit is connected with a negative pole of the direct current power supply, a pin 5 of the 555 time base circuit is connected with the negative pole of the direct current power supply through a second capacitor, after a loudspeaker is connected with a voltage regulator diode in parallel, one end of the loudspeaker is connected with a pin 3 of the 555 time base circuit, the other end of the loudspeaker is connected with the negative pole of the direct current power supply, a pin 6 and a pin 7 of the 555 time base circuit are connected with the pin 4 of the 555 time base circuit through a third resistor and connected with the negative pole of the direct current power supply through a first capacitor, an induction sheet is connected with a gate of a field effect transistor, a drain of the field effect transistor is connected with the pin 4 of the 555 time base circuit through a first resistor, and a source of the field effect transistor is connected with the pin 1 of the 555 time base circuit through a second resistor. Due to the adoption of the technical scheme, the human body induction anti-theft alarm valve disclosed by the utility model has the advantages and the positive effects of strong practicality and low cost.
Description
Technical field
The utility model relates to a kind of valve, particularly a kind of body sense burglar alarm valve.
Background technique
At present, the stolen phenomenon of open-air various valves occurs often, causes very large loss not only for the valve owner, and brings impact can for people's production, life.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of body sense burglar alarm valve is provided, just reports to the police when having the human hand to touch this valve.
The technological scheme that its technical problem that solves the utility model adopts is: circuit is by induction piece, field effect transistor, the first resistance, the second resistance, the 3rd resistance, the first electric capacity, the second electric capacity, 555 time base circuits, reference diode, loudspeaker and power switch form, it is characterized in that: 4 pin of 555 time base circuits link to each other with dc power anode by power switch with 8 pin, 1 pin of 555 time base circuits links to each other with dc power cathode, 5 pin of 555 time base circuits link to each other with dc power cathode by the second electric capacity, end after loudspeaker and the reference diode parallel connection and 3 pin of 555 time base circuits link to each other, the other end links to each other with dc power cathode, 6 pin of 555 time base circuits link to each other with 4 pin of 7 pin by the 3rd resistance and 555 time base circuits, link to each other with dc power cathode by the first electric capacity, the grid of induction piece and field effect transistor links to each other, the drain electrode of field effect transistor links to each other by 4 pin of the first resistance and 555 time base circuits, and the source electrode of field effect transistor links to each other by 1 pin of the second resistance and 555 time base circuits.With circuit original paper welding in the circuit board and place the warning circuit shell, induction piece links to each other with valve body.Valve valve rotating disc links to each other with valve core in the valve body by axle, and the warning circuit shell is arranged on the valve body.
Because adopt technique scheme, advantage and good effect that the utility model has are: practical, cost is not high yet.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is circuit theory diagrams of the present utility model.
Fig. 2 is the utility model embodiment's structural representation.
Y. induction piece among the figure, G. field effect transistor, R1. the first resistance, R2. the second resistance, R3. the 3rd resistance, C1. the first electric capacity, C2. the second electric capacity, time base circuit I.555, S. reference diode, N. loudspeaker, K. power switch, E. DC electrical source, 1. valve valve rotating disc, 2. valve body, 3. warning circuit shell.
Embodiment
In Fig. 1,4 pin of 555 time base circuits (I) link to each other by power switch (K) and DC electrical source (E) are anodal with 8 pin, 1 pin of 555 time base circuits (I) links to each other with DC electrical source (E) negative pole, 5 pin of 555 time base circuits (I) link to each other with DC electrical source (E) negative pole by the second electric capacity (C2), end after loudspeaker (N) and reference diode (S) parallel connection and 3 pin of 555 time base circuits (I) link to each other, the other end links to each other with DC electrical source (E) negative pole, 6 pin of 555 time base circuits (I) link to each other by 4 pin of the 3rd resistance (R3) with 555 time base circuits (I) with 7 pin, link to each other with DC electrical source (E) negative pole by the first electric capacity (C1), induction piece (Y) links to each other with the grid of field effect transistor (G), the drain electrode of field effect transistor (G) links to each other by 4 pin of the first resistance (R1) and 555 time base circuits (I), and the source electrode of field effect transistor (G) links to each other by 1 pin of the second resistance (R2) and 555 time base circuits (I).With circuit original paper welding in the circuit board and place warning circuit warning circuit shell, induction piece links to each other with valve body.
In Fig. 2, valve valve rotating disc (1) links to each other with the interior valve core of valve body (2) by axle, and warning circuit shell (3) is arranged on the valve body (2).
Claims (1)
1. body sense burglar alarm valve, circuit is by induction piece, field effect transistor, the first resistance, the second resistance, the 3rd resistance, the first electric capacity, the second electric capacity, 555 time base circuits, reference diode, loudspeaker and power switch form, it is characterized in that: 4 pin of 555 time base circuits (I) link to each other by power switch (K) and DC electrical source (E) are anodal with 8 pin, 1 pin of 555 time base circuits (I) links to each other with DC electrical source (E) negative pole, 5 pin of 555 time base circuits (I) link to each other with DC electrical source (E) negative pole by the second electric capacity (C2), end after loudspeaker (N) and reference diode (S) parallel connection and 3 pin of 555 time base circuits (I) link to each other, the other end links to each other with DC electrical source (E) negative pole, 6 pin of 555 time base circuits (I) link to each other by 4 pin of the 3rd resistance (R3) with 555 time base circuits (I) with 7 pin, link to each other with DC electrical source (E) negative pole by the first electric capacity (C1), induction piece (Y) links to each other with the grid of field effect transistor (G), the drain electrode of field effect transistor (G) links to each other by 4 pin of the first resistance (R1) and 555 time base circuits (I), and the source electrode of field effect transistor (G) links to each other by 1 pin of the second resistance (R2) and 555 time base circuits (I).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220574223 CN202834355U (en) | 2012-10-25 | 2012-10-25 | Human body induction anti-theft alarm valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220574223 CN202834355U (en) | 2012-10-25 | 2012-10-25 | Human body induction anti-theft alarm valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202834355U true CN202834355U (en) | 2013-03-27 |
Family
ID=47946063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220574223 Expired - Fee Related CN202834355U (en) | 2012-10-25 | 2012-10-25 | Human body induction anti-theft alarm valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202834355U (en) |
-
2012
- 2012-10-25 CN CN 201220574223 patent/CN202834355U/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: 20130327 Termination date: 20151025 |
|
| EXPY | Termination of patent right or utility model |