INDUSTRIAL FIELD REAL-TIME WORKING CONDITION RADIO ALARM SYSTEM

• US 20140240120A1
• Filed: 03/09/2012
• Published: 08/28/2014
• Est. Priority Date: 09/01/2011
• Status: Active Grant

• Current Assignee: Harbin East Alarm Equipment Development Co., Ltd.
• Original Assignee: Harbin East Alarm Equipment Development Co., Ltd.
• Inventors: Mao, Fei, Li, Xuannan, Liu, Jilong, Wang, Weigang
• Granted Patent: US 9,536,418 B2
• Time in Patent Office: Days
• US Class Current: 340/539.11
• CPC Class Codes: G08B 21/12 responsive to undesired emission of substances, e.g. pollution alarms
• CPC Class Codes: G08B 25/016 Personal emergency signalling and security systems emergency non-personal manually actuated alarm activators G08B25/12
• CPC Class Codes: G08B 25/10 using wireless transmission systems G08B25/009 takes precedence
• CPC Class Codes: G08B 27/008 with transmission via TV or radio broadcast

Abstract

An industrial field real-time working condition radio alarm system, comprises a transmitting end (11) and a receiving end (12) carried a worker; the transmitting end (11) comprises a detector (101) to detect the current working condition, a transmitting end processor (102) to process an on-off signal sent by the detector (101), and a radio transmitter (103) to transmit an alarm signal to the receiving end (12) under the control of the transmitting end processor (102); the receiving end (12) comprises a radio receiver (105) to receive the alarm signal, a receiving end processor (106) to process the alarm signal sent by the radio receiver (105), and an alarm (107) to send an alarm under the control of the receiving end processor (106); the transmitting end processor (102) is connected to the detector (101) and the radio transmitter (103) respectively; and the receiving end processor (106) is connected to the radio receiver (105) and the alarm (107) respectively. The radio alarm system can send a dangerous working condition alarm to all workers in real time.

Claims

1. An industrial field real-time working condition radio alarm system, wherein the system comprises a transmitting end and a receiving end carried by workers;

said transmitting end comprises;

a detector to detect the current working condition, a transmitting end processor to process an on-off signal sent by said detector, and a radio transmitter to transmit an alarm signal to said receiving end under the control of said transmitting end processor;

said receiving end comprises;

a radio receiver to receive said alarm signal, a receiving end processor to process said alarm signal sent by said radio receiver, and an alarm to send an alarm signal under the control of said receiving end processor;

wherein said transmitting end processor is connected to said detector and said radio transmitter respectively; and

said receiving end processor is connected to said radio receiver and said alarm respectively.

2. The system as claimed in claim 1, wherein, said transmitting end further comprises a transmitting end power supply which is connected to said detector, said transmitting end processor, said radio transmitter respectively.

3. The system as claimed in claim 2, wherein, said transmitting end power supply comprises:

a first rectifier filter capacitor, a second rectifier filter capacitor, a transmitting end constant voltage power supply which outputs a constant DC voltage;

wherein,

both ends of said second rectifier filter capacitor are connected to an external power supply and the ground respectively;

the input terminal of said transmitting end constant voltage power supply is connected to the external power supply, and the output terminal of said transmitting end constant voltage power supply be used as the output terminal of the transmitting end power supply;

both ends of said first rectifier filter capacitor are connected to the output terminal of said transmitting end constant voltage power supply and the ground respectively.

4. The system as claimed in claim 2, wherein, said transmitting end processor comprises:

a transmitting end microprocessor, a first divider resistor, a second divider resistor, a first controlled switch which is opened and closed under the control of said detector;

wherein,

said first divider resistor having a first end and a second end, and the second divider resistor having a third end and a fourth end;

said second end and said third end are connected to each other, and the connection point being connected to the signal input terminal of said transmitting end microprocessor;

both ends of said first controlled switch are connected to said fourth end and the ground respectively;

both of said voltage input terminal of the transmitting end microprocessor and said first end are connected to said output terminal of the transmitting end power supply.

5. The system as claimed in claim 1, wherein, said receiving end further includes a display connected to said receiving end processor.

6. The system as claimed in claim 1, wherein, said receiving end further includes a receiving end power supply connected to said radio receiver, said receiving end processor, said alarm respectively.

7. The system as claimed in claim 6, wherein, said receiving end power supply comprises:

a battery, a diode, a current limiting resistor, a third rectifier filter capacitor, a fourth rectifier filter capacitor and a receiving end constant voltage power supply which outputs a constant DC voltage;

wherein,

the positive electrode and the negative electrode of said battery are connected to the positive electrode of said diode and the ground respectively;

both ends of said third rectifier filter capacitor are connected to the negative electrode of said diode and the ground respectively;

both ends of said current limiting resistor are connected to the negative electrode of said diode and the input terminal of said receiving end constant voltage power supply respectively;

both ends of said fourth rectifier filter capacitor are connected to the output terminal of said receiving end constant voltage power supply and the ground respectively;

the output terminal of said receiving end constant voltage power supply is the output terminal of the receiving end power supply.

8. The system as claimed in claim 6, wherein, said alarm is a vibration motor;

said receiving end processor includes a receiving end microprocessor and a first triode;

wherein,

the base and the emitter of said first triode are connected to the control signal output terminal of said receiving end microprocessor and the ground respectively;

the positive electrode and the negative electrode of said vibration motor are connected to the output terminal of said receiving end power supply and the collector of said first triode respectively.

9. The system as claimed in claim 6, wherein, said alarm is a speaker;

said receiving end processor includes a receiving end microprocessor and a second triode;

wherein,

the base and the emitter of said first triode are connected to the control signal output terminal of said receiving end microprocessor and the ground respectively;

the positive electrode and the negative electrode of said speaker are connected to the output terminal of said receiving end power supply and the collector of said second triode respectively.

10. The system as claimed in claim 6, wherein, said alarm is a light-emitting diode;

said receiving end processor includes a receiving end microprocessor;

the two electrodes of said light-emitting diode are connected to the control signal output terminal of said receiving end microprocessor and the ground respectively.

11. A real-time alarm system, said alarm system comprises:

a detecting device to detect whether the current working condition is abnormal or not, and generating relevant signals;

a transmitting device to transmit said relevant signals; and

a portable receiving devices to receive said relevant signal sent by said transmitting devices and send an alarm signal.

12. The alarm system as claimed in claim 11, wherein, said transmitting device may be radio transmitting device and said portable receiving device may be a radio receiving device.

13. The alarm system as claimed in claim 12, wherein, said portable receiving device can be carried by the workers.

14. The alarm system as claimed in claim 11, wherein, said detecting device may comprise:

a sensing unit to detect whether the current working condition is abnormal or not, and generate a signal relevant with the abnormal working condition;

a processing unit to process said signal relevant with the abnormal working condition and generate said relevant signal.

15. The alarm system as claimed in claim 14, wherein, said sensing unit may be a temperature sensor, a pressure sensor, a gas sensor or a combination thereof.

16. The alarm system as claimed in claim 11, wherein, said portable receiving device may comprise:

a receiving unit to receive the relevant signal sent by said transmitting device; and

an alarm unit to send an alarm signal when the receiving unit received said relevant signal.

17. The alarm system as claimed in claim 16, wherein, said alarm unit may be an audible alarm, a visible alarm, a vibration signal or a combination thereof.

18. The alarm system as claimed in claim 11, wherein, said portable receiving device may be a mobile phone, personal computer or personal digital assistant.

19. The alarm system as claimed in claim 11, wherein, the number of said detecting device, said transmitting device or said portable receiving device may be one or more than one.

20. A real-time alarm method, said method comprises:

Detecting whether the current working condition is abnormal or not;

generating a relevant signal when the current working condition is abnormal;

transmitting said relevant signal;

receiving said relevant signal through a portable receiving device ;

sending an alarm signal when receiving said relevant signal.

21. The method as claimed in claim 20, wherein, said relevant signal is transmitted by a radio transmitting device, and said portable receiving device receiving wirelessly said relevant signal.

22. The method as claimed in claim 20, wherein, said current working condition may be temperature working condition, pressure working condition, gas working condition or a combination thereof.

23. The method as claimed in claim 20, wherein, said alarm signal may be audible signal, visible signal, vibration signal or a combination thereof.