CN103714807A - High sound pressure alarm buzzer - Google Patents
High sound pressure alarm buzzer Download PDFInfo
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- CN103714807A CN103714807A CN201210372529.7A CN201210372529A CN103714807A CN 103714807 A CN103714807 A CN 103714807A CN 201210372529 A CN201210372529 A CN 201210372529A CN 103714807 A CN103714807 A CN 103714807A
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Abstract
The invention provides a high sound pressure alarm buzzer which comprises a buzzer and a control circuit. The control circuit comprises 11 resistors, 6 electrolytic capacitors, 6 triodes, a diode and a transformer. The high sound pressure alarm buzzer provided by the invention has the advantages of high sound pressure level, rushed sound, strong sense of urgency, small volume and light weight, and is applicable to all kinds of alarm situations. The stability and the safety of a device are improved.
Description
Technical field
The present invention relates to a kind of alarm buzzer, relate in particular to a kind of high sound pressure alarm buzzer.
Background technology
At present; existing alarm buzzer; be limited to volume size; higher acoustic pressure can not be provided; in some specific occasions inapplicable, as antitheft, fire prevention, gas leak, speedily carry out rescue work, call for help the equipment etc. of reporting to the police and needing strong prompt tone, cause and need to the person of being alerted cannot hear prompt tone; and then cannot make due safeguard measure, cause damage.Therefore, develop that a kind of volume is little, acoustic pressure is high.The stable alarm buzzer of circuit just seems particularly important.
Summary of the invention
The object of this invention is to provide a kind of high sound pressure alarm buzzer, solved the problem that alarm buzzer cannot send high sound pressure.
The invention provides a kind of high sound pressure alarm buzzer, comprise hummer and control circuit, described control circuit comprises 11 resistance R 1 ~ R11,6 electrochemical capacitor C1 ~ C6,6 triode BG1 ~ BG6, diode D1 and transformer B1, and described electrochemical capacitor C1 is connected between the both positive and negative polarity of power supply; Described triode BG1 ~ BG6 is arranged between the both positive and negative polarity of power supply, and the base stage of triode BG1 is connected to positive source by resistance R 1, and the collector of triode BG1 is connected to anodal upper by resistance R 2, and the emitter of triode BG1 is connected on negative pole; The base stage of triode BG2 is connected to positive pole by resistance R 3, the collector of triode BG2 is connected to positive pole by resistance R 4, the emitter of triode BG2 is connected with negative pole, electrochemical capacitor C2 is installed between the collector of the base stage of triode BG1 and triode BG2, between the collector of triode BG1 and the base stage of triode BG2, electrochemical capacitor C3 is installed; Resistance R 6 is connected on both positive and negative polarity with electrochemical capacitor C4; The base stage of triode BG3 is connected on the collector of triode BG1, and series diode D1, resistance R 5, resistance R 7 between the two, and the collector of triode BG3 is connected to anodal upper by resistance R 8, and the emitter of triode BG3 is connected on negative pole; The base stage of triode BG4 is connected between resistance R 5 and resistance R 7 by resistance R 9, the collector of triode BG4 is connected on positive pole by resistance R 10, the emitter of triode BG4 is connected on negative pole, electrochemical capacitor C5 in parallel between the collector of the base stage of triode BG3 and triode BG4, electrochemical capacitor C6 in parallel between the base stage of the collector of triode BG3 and triode BG4; The base stage of triode BG5 is connected on the collector of triode BG4 by resistance R 11, the collector of triode BG5 is connected on the collector of triode BG6, the emitter of triode BG5 is connected in the base stage of triode BG6, the collector of triode BG6 is connected to anodal upper by transformer B, the emitter of triode BG6 is connected on negative pole.
Further be: the resistance of described resistance R 1, resistance R 6, resistance R 9, resistance R 11 is 10K Ω, the resistance of resistance R 2, resistance R 4, resistance R 8, resistance R 10 is 2.7 K Ω, the resistance of resistance R 3 is 47 K Ω, and the resistance of resistance R 5 is 5450 Ω, and the resistance of resistance R 7 is 39 K Ω.
Further be: the rated voltage of described hummer is 12V, voltage range between 6V ~ 16V, rated current≤350mA, sound level >=110dB.
The invention has the beneficial effects as follows: sound pressure level of the present invention is high, sound is rapid, the sense of urgency is strong, volume is little, lightweight, be applicable to various warning occasions, increase stability and the security of equipment.
Accompanying drawing explanation
Fig. 1 is electrical schematic diagram of the present invention.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, and this embodiment only, for explaining the present invention, does not form limiting the scope of the present invention.
As shown in Figure 1, the present embodiment provides a kind of high sound pressure alarm buzzer, comprise hummer and control circuit, described control circuit comprises 11 resistance R 1 ~ R11,6 electrochemical capacitor C1 ~ C6,6 triode BG1 ~ BG6, diode D1 and transformer B1, and described electrochemical capacitor C1 is connected between the both positive and negative polarity of power supply; Described triode BG1 ~ BG6 is arranged between the both positive and negative polarity of power supply, and the base stage of triode BG1 is connected to positive source by resistance R 1, and the collector of triode BG1 is connected to anodal upper by resistance R 2, and the emitter of triode BG1 is connected on negative pole; The base stage of triode BG2 is connected to positive pole by resistance R 3, the collector of triode BG2 is connected to positive pole by resistance R 4, the emitter of triode BG2 is connected with negative pole, electrochemical capacitor C2 is installed between the collector of the base stage of triode BG1 and triode BG2, between the collector of triode BG1 and the base stage of triode BG2, electrochemical capacitor C3 is installed; Resistance R 6 is connected on both positive and negative polarity with electrochemical capacitor C4; The base stage of triode BG3 is connected on the collector of triode BG1, and series diode D1, resistance R 5, resistance R 7 between the two, and the collector of triode BG3 is connected to anodal upper by resistance R 8, and the emitter of triode BG3 is connected on negative pole; The base stage of triode BG4 is connected between resistance R 5 and resistance R 7 by resistance R 9, the collector of triode BG4 is connected on positive pole by resistance R 10, the emitter of triode BG4 is connected on negative pole, electrochemical capacitor C5 in parallel between the collector of the base stage of triode BG3 and triode BG4, electrochemical capacitor C6 in parallel between the base stage of the collector of triode BG3 and triode BG4; The base stage of triode BG5 is connected on the collector of triode BG4 by resistance R 11, the collector of triode BG5 is connected on the collector of triode BG6, the emitter of triode BG5 is connected in the base stage of triode BG6, the collector of triode BG6 is connected to anodal upper by transformer B, the emitter of triode BG6 is connected on negative pole.
The resistance of described resistance R 1, resistance R 6, resistance R 9, resistance R 11 is 10K Ω, the resistance of resistance R 2, resistance R 4, resistance R 8, resistance R 10 is 2.7 K Ω, the resistance of resistance R 3 is 47 K Ω, and the resistance of resistance R 5 is 5450 Ω, and the resistance of resistance R 7 is 39 K Ω.
The rated voltage of described hummer is 12V, and voltage range is between 6V ~ 16V, and rated current is 400mA, and sound level is 130dB.
Sound pressure level of the present invention is high, sound is rapid, the sense of urgency is strong, volume is little, lightweight, be applicable to various warning occasions, increase stability and the security of equipment.
Claims (3)
1. a high sound pressure alarm buzzer, comprise hummer and control circuit, it is characterized in that: described control circuit comprises 11 resistance R 1 ~ R11,6 electrochemical capacitor C1 ~ C6,6 triode BG1 ~ BG6, diode D1 and transformer B1, and described electrochemical capacitor C1 is connected between the both positive and negative polarity of power supply; Described triode BG1 ~ BG6 is arranged between the both positive and negative polarity of power supply, and the base stage of triode BG1 is connected to positive source by resistance R 1, and the collector of triode BG1 is connected to anodal upper by resistance R 2, and the emitter of triode BG1 is connected on negative pole; The base stage of triode BG2 is connected to positive pole by resistance R 3, the collector of triode BG2 is connected to positive pole by resistance R 4, the emitter of triode BG2 is connected with negative pole, electrochemical capacitor C2 is installed between the collector of the base stage of triode BG1 and triode BG2, between the collector of triode BG1 and the base stage of triode BG2, electrochemical capacitor C3 is installed; Resistance R 6 is connected on both positive and negative polarity with electrochemical capacitor C4; The base stage of triode BG3 is connected on the collector of triode BG1, and series diode D1, resistance R 5, resistance R 7 between the two, and the collector of triode BG3 is connected to anodal upper by resistance R 8, and the emitter of triode BG3 is connected on negative pole; The base stage of triode BG4 is connected between resistance R 5 and resistance R 7 by resistance R 9, the collector of triode BG4 is connected on positive pole by resistance R 10, the emitter of triode BG4 is connected on negative pole, electrochemical capacitor C5 in parallel between the collector of the base stage of triode BG3 and triode BG4, electrochemical capacitor C6 in parallel between the base stage of the collector of triode BG3 and triode BG4; The base stage of triode BG5 is connected on the collector of triode BG4 by resistance R 11, the collector of triode BG5 is connected on the collector of triode BG6, the emitter of triode BG5 is connected in the base stage of triode BG6, the collector of triode BG6 is connected to anodal upper by transformer B, the emitter of triode BG6 is connected on negative pole.
2. high sound pressure alarm buzzer as claimed in claim 1, it is characterized in that: the resistance of described resistance R 1, resistance R 6, resistance R 9, resistance R 11 is 10K Ω, the resistance of resistance R 2, resistance R 4, resistance R 8, resistance R 10 is 2.7 K Ω, the resistance of resistance R 3 is 47 K Ω, the resistance of resistance R 5 is 5450 Ω, and the resistance of resistance R 7 is 39 K Ω.
3. high sound pressure alarm buzzer as claimed in claim 1 or 2, is characterized in that: the rated voltage of described hummer is 12V, voltage range between 6V ~ 16V, rated current≤350mA, sound level >=110dB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210372529.7A CN103714807A (en) | 2012-09-29 | 2012-09-29 | High sound pressure alarm buzzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210372529.7A CN103714807A (en) | 2012-09-29 | 2012-09-29 | High sound pressure alarm buzzer |
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| Publication Number | Publication Date |
|---|---|
| CN103714807A true CN103714807A (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210372529.7A Pending CN103714807A (en) | 2012-09-29 | 2012-09-29 | High sound pressure alarm buzzer |
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| CN (1) | CN103714807A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128711A (en) * | 2016-08-19 | 2016-11-16 | 国家电网公司 | A kind of Novel outdoor antitheft transformer |
| CN106128710A (en) * | 2016-08-19 | 2016-11-16 | 国家电网公司 | A kind of heat insulation power equipment being exclusively used in open air |
| CN106229859A (en) * | 2016-08-19 | 2016-12-14 | 国家电网公司 | A kind of protection device of outdoor transformer |
-
2012
- 2012-09-29 CN CN201210372529.7A patent/CN103714807A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128711A (en) * | 2016-08-19 | 2016-11-16 | 国家电网公司 | A kind of Novel outdoor antitheft transformer |
| CN106128710A (en) * | 2016-08-19 | 2016-11-16 | 国家电网公司 | A kind of heat insulation power equipment being exclusively used in open air |
| CN106229859A (en) * | 2016-08-19 | 2016-12-14 | 国家电网公司 | A kind of protection device of outdoor transformer |
| CN106128710B (en) * | 2016-08-19 | 2017-08-25 | 国网山东省电力公司鱼台县供电公司 | A kind of heat-insulated power equipment for being exclusively used in open air |
| CN106229859B (en) * | 2016-08-19 | 2017-12-15 | 国网山东省电力公司鱼台县供电公司 | A kind of protection device of outdoor transformer |
| CN106128711B (en) * | 2016-08-19 | 2017-12-15 | 国网山东省电力公司鱼台县供电公司 | A kind of Novel outdoor antitheft transformer |
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Application publication date: 20140409 |