CN203982540U - A kind of Hall earthquake alarming circuit - Google Patents
A kind of Hall earthquake alarming circuit Download PDFInfo
- Publication number
- CN203982540U CN203982540U CN201420309576.1U CN201420309576U CN203982540U CN 203982540 U CN203982540 U CN 203982540U CN 201420309576 U CN201420309576 U CN 201420309576U CN 203982540 U CN203982540 U CN 203982540U
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- hall
- thyristor
- switch
- hall element
- alarming circuit
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- Emergency Alarm Devices (AREA)
Abstract
The utility model discloses a kind of Hall earthquake alarming circuit, comprise Hall element, thyristor, hummer, LED lamp, switch, power supply, directly over Hall element, be provided with bar magnet, bar magnet is suspended on the upper edge of window frame by spring, Hall element is provided with three pins, the first pin is connected with the positive pole of power supply by switch, and the second pin is connected with the negative pole of thyristor, and the negative pole of thyristor is connected with the negative pole of power supply; The 3rd pin is connected with the drive end of thyristor, and the positive pole of thyristor is connected with one end of buzzing, the negative pole of LED lamp respectively, and the other end of hummer is connected with switch, and the positive pole of LED lamp is connected with switch by current-limiting resistance R1.Hall earthquake alarming circuit of the present utility model, simple and reliable, adopt solar powered, energy-conserving and environment-protective, low price, be convenient to batch production, have a good application prospect.
Description
Technical field
The utility model relates to a kind of Hall earthquake alarming circuit, belongs to controlling alarm technical field.
Background technology
Earthquake is one of disaster maximum on the earth, the annual loss causing to people is inestimable, and earthquake often occurs at night, make people be difficult to take precautions against, earthquake disaster to people's productive life band very large harm, even take away people's life, it is the important measures of minimizing earthquake disaster that earthquake prevention is reported to the police always, and in general, earthquake meeting produces two kinds of ripples: one is compressional wave, from earthquake, spread out of with the fastest speed, accompany by the general destruction of overcast rumble little, another kind is shearing wave, than compressional wave slow 30 seconds, its impulsive force can destroy ground all, in the time that earthquake occurs, first alarm can sense the impact of compressional wave and report to the police, waking in time people up shifts rapidly, area out of danger at once, and, alarm can provide illumination (when earthquake, power breakdown), help people to escape danger, thereby effectively reduce personal injury, but, for some families, the price comparison of earthquake Alarm is on the market high, being not easy to house has universal, so design is a kind of simple, earthquake alarming circuit reliably, very necessary.
Utility model content
The purpose of this utility model is that to overcome the price comparison of existing earthquake Alarm high, and being not easy to house has universal problem.The Hall earthquake alarming circuit that the utility model provides, simple and reliable, adopt solar powered, energy-conserving and environment-protective, low price, be convenient to batch production, have a good application prospect.
In order to achieve the above object, the technical solution used in the present invention is:
A kind of Hall earthquake alarming circuit, it is characterized in that: comprise Hall element H, thyristor VS, hummer F, LED lamp, switch S, power supply G, directly over described Hall element H, be provided with bar magnet L, described bar magnet L is suspended on the upper edge of window frame by spring, distance between described bar magnet L and Hall element H is between 4-8mm, described Hall element H is provided with three pins, the first pin is connected with the positive pole of power supply G by switch S, the second pin is connected with the negative pole of thyristor VS, the negative pole of thyristor VS is connected with the negative pole of power supply G, the 3rd pin is connected with the drive end of thyristor VS, the positive pole of described thyristor VS is connected with one end of hummer F, the negative pole of LED lamp respectively, the other end of described hummer F is connected with switch S, the positive pole of described LED lamp is connected with switch S by current-limiting resistance R1, and described switch S is connected on the positive pole of power supply G.
Aforesaid a kind of Hall earthquake alarming circuit, is characterized in that: the distance between described bar magnet L and Hall element H is 5mm.
Aforesaid a kind of Hall earthquake alarming circuit, is characterized in that: the 3rd pin place of described Hall element H is provided with pull-up resistor R2.
Aforesaid a kind of Hall earthquake alarming circuit, is characterized in that: the signal of described Hall element H is HC-220.
Aforesaid a kind of Hall earthquake alarming circuit, is characterized in that: described power supply G comprises solar storage battery, photovoltaic panel, and the electric energy output end of described photovoltaic panel is connected with the electric energy input end of solar storage battery.
Aforesaid a kind of Hall earthquake alarming circuit, is characterized in that: the length of described bar magnet L is 15mm.
The beneficial effects of the utility model are: Hall earthquake alarming circuit of the present utility model, and while having seismic activity, first bar magnet can experience the impact of compressional wave, in the time that impulsive force exceedes 20 g, the upper and lower motion of bar magnet, Hall element output noble potential, cause that hummer sends while warning, LED lamp is bright, play warning function, simple and reliable, adopt solar powered, energy-conserving and environment-protective, low price, is convenient to batch production, has a good application prospect.
Brief description of the drawings
Fig. 1 is the circuit diagram of Hall earthquake alarming circuit of the present utility model.
Embodiment
Below in conjunction with Figure of description, the utility model is described in further detail.Following examples are only for the technical solution of the utility model is more clearly described, and can not limit protection domain of the present utility model with this.
As shown in Figure 1, a kind of Hall earthquake alarming circuit, comprise Hall element H, thyristor VS, hummer F, LED lamp, switch S, power supply G, directly over Hall element H, be provided with bar magnet L, bar magnet L is suspended on the upper edge of window frame by spring, distance between bar magnet L and Hall element H is between 4-8mm, Hall element H is provided with three pins, the first pin is connected with the positive pole of power supply G by switch S, the second pin is connected with the negative pole of thyristor VS, and the negative pole of thyristor VS is connected with the negative pole of power supply G; The 3rd pin is connected with the drive end of thyristor VS, the positive pole of thyristor VS is connected with one end of hummer F, the negative pole of LED lamp respectively, the other end of described hummer F is connected with switch S, the positive pole of LED lamp is connected with switch S by current-limiting resistance R1, and switch S is connected on the positive pole of power supply G.
The 3rd pin place of described Hall element H is provided with pull-up resistor R2, improves the interference of the 3rd pin, increases the reliability of circuit.
The signal of described Hall element H is HC-220, and low price is low in energy consumption.
Described power supply G comprises solar storage battery, photovoltaic panel, and the electric energy output end of described photovoltaic panel is connected with the electric energy input end of solar storage battery, rationally utilizes solar energy, energy-conserving and environment-protective.
The length of described bar magnet L is 15mm, under the effect of other natural external forces, be unlikely to trigger the work of startup Hall earthquake alarming circuit, the distance between bar magnet L and Hall element H is 5mm, reach under natural external force more than 20g, could start warning circuit.
The course of work of Hall earthquake alarming circuit of the present utility model is, when there being seismic activity, first bar magnet L can experience the impact of compressional wave, in the time that impulsive force exceedes 20 g, can make the upper and lower motion of bar magnet L, Hall element output noble potential, thyristor VS conducting, hummer F send " too " chimes of doom, LED lamp lights, length that can regulating spring, makes sensitivity reach best.
More than show and described ultimate principle of the present utility model, principal character and advantage.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. a Hall earthquake alarming circuit, it is characterized in that: comprise Hall element H, thyristor VS, hummer F, LED lamp, switch S, power supply G, directly over described Hall element H, be provided with bar magnet L, described bar magnet L is suspended on the upper edge of window frame by spring, distance between described bar magnet L and Hall element H is between 4-8mm, described Hall element H is provided with three pins, the first pin is connected with the positive pole of power supply G by switch S, the second pin is connected with the negative pole of thyristor VS, the negative pole of thyristor VS is connected with the negative pole of power supply G, the 3rd pin is connected with the drive end of thyristor VS, the positive pole of described thyristor VS is connected with one end of hummer F, the negative pole of LED lamp respectively, the other end of described hummer F is connected with switch S, the positive pole of described LED lamp is connected with switch S by current-limiting resistance R1, and described switch S is connected on the positive pole of power supply G.
2. a kind of Hall earthquake alarming circuit according to claim 1, is characterized in that: the distance between described bar magnet L and Hall element H is 5mm.
3. a kind of Hall earthquake alarming circuit according to claim 1, is characterized in that: the 3rd pin place of described Hall element H is provided with pull-up resistor R2.
4. a kind of Hall earthquake alarming circuit according to claim 1, is characterized in that: the signal of described Hall element H is HC-220.
5. a kind of Hall earthquake alarming circuit according to claim 1, is characterized in that: described power supply G comprises solar storage battery, photovoltaic panel, the electric energy output end of described photovoltaic panel is connected with the electric energy input end of solar storage battery.
6. a kind of Hall earthquake alarming circuit according to claim 1, is characterized in that: the length of described bar magnet L is 15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420309576.1U CN203982540U (en) | 2014-06-12 | 2014-06-12 | A kind of Hall earthquake alarming circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420309576.1U CN203982540U (en) | 2014-06-12 | 2014-06-12 | A kind of Hall earthquake alarming circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203982540U true CN203982540U (en) | 2014-12-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420309576.1U Expired - Fee Related CN203982540U (en) | 2014-06-12 | 2014-06-12 | A kind of Hall earthquake alarming circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203982540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091412A (en) * | 2014-06-12 | 2014-10-08 | 苏州固基电子科技有限公司 | Hall earthquake alarm circuit |
-
2014
- 2014-06-12 CN CN201420309576.1U patent/CN203982540U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091412A (en) * | 2014-06-12 | 2014-10-08 | 苏州固基电子科技有限公司 | Hall earthquake alarm circuit |
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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: 20141203 Termination date: 20150612 |
|
| EXPY | Termination of patent right or utility model |