The electric alarm is driven by the manual rotation of the crank, and the gearbox is accelerated step by step, and then the transmission block drives the high-speed operation of the ring. During the high-speed operation of the swaying wheel, the absorbing air generates a resonance of the high-speed and high-pressure to the fixed window of the fixed wheel, and thus acts as an alarm.
The electric alarm is driven by the manual rotation of the crank, and the gearbox is accelerated step by step, and then the transmission block drives the high-speed operation of the ring. During the high-speed operation of the swaying wheel, the absorbing air generates a resonance of the high-speed and high-pressure to the fixed window of the fixed wheel, and thus acts as an alarm. Because it is a hand alarm, the primary speed of the hand determines the sound of the alarm. The speed and sound effect are directly proportional. Relatively speaking, the higher the speed, the louder the sound. There is a difference between shaking people between people. The height and height of people, the size of strength, the speed of shaking, etc. are all direct factors affecting the sound effect of the siren. Therefore, we have made a macro regulation here, the primary speed of shaking should not be less than 90r/min, otherwise it will not reach the proper The sound effect.
Several major categories of electric alarms
1. Telephone dialing electric alarm: use alarm anti-theft host, link has wireless connection various types of perception and detector, perform anti-theft alarm function, alarm anti-theft host connects fixed telephone line or special line, if there is alarm start, the system will follow the specified mobile phone Or the phone number automatically dials the alarm.
2, GSM anti-theft alarm: also use the alarm anti-theft host, link all kinds of perception and detector, anti-theft alarm function, alarm anti-theft host has built-in GSM mobile phone card, if there is an alarm to start, it will also follow the user-specified mobile phone or phone number Automatic dialing alarm.
3, on-site anti-theft speaker alarm: the use of alarm anti-theft host, link with wireless sensing and detector, after the alarm-aware trigger is activated, directly with the signal linkage amplifier to perform local alarm function through the speaker speaker.
4. SMS alarm: After the alarm is activated, the alarm anti-theft host integrates the video and video signals or captures them through the DVR screen, and then transmits the alarm photos to the alarm center or the necessary security personnel's mobile phone or mailbox for back-end alarm function through GPRS. .
Beijing Jiuzhou Space Science & Trade Co., Ltd. specializes in the production and sales of online soil erosion monitors, portable surface runoff automatic monitors, small watershed sediment automatic monitors, small-diameter sediment automatic monitors, steel ruler water level gauges, automatic rainfall stations, Portable flow meter, portable weather station, soil nutrient speed meter, gas sampling cylinder and other products, welcome new and old customers to come to consult
We have many different kinds of round Cosmetic Compact,eyeshadow container,compact container and square compact case.
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MOQ |
12.000pcs |
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Delivery time |
50-55days |
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Material |
AS,ABS |
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Pan size |
36mm & 59mm & 81mm |
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color |
Injection color,spray coating color and UV metalizing color |
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logo |
Silk screan and hot staping |
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Packing |
paper carton |
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Place of Origin |
Zhejiang |
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