CN202615544U - Wireless automatic fire alarm system for railway traction locomotive - Google Patents
Wireless automatic fire alarm system for railway traction locomotive Download PDFInfo
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- CN202615544U CN202615544U CN 201220263682 CN201220263682U CN202615544U CN 202615544 U CN202615544 U CN 202615544U CN 201220263682 CN201220263682 CN 201220263682 CN 201220263682 U CN201220263682 U CN 201220263682U CN 202615544 U CN202615544 U CN 202615544U
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Abstract
The utility model discloses a wireless automatic fire alarm system for a railway traction locomotive. The system comprises a fire hazard detection module and a fire hazard automatic alarm control module. The system further comprises one or more wireless repeaters disposed inside the railway traction locomotive. Wireless communication is carried out among the fire hazard detection module, the wireless repeaters and the fire hazard automatic alarm control module. The adoption of the wireless repeaters inside the traction locomotive helps to avoid a situation that alarm signals sent by the fire hazard detection module can not be received by the fire hazard automatic alarm control module. Meanwhile, a coding technology is utilized to set an only address code for the fire hazard detection module, thereby effectively preventing electromagnetic wave interference and guaranteeing that the wireless automatic fire alarm system can alarm early or alarm for a fire hazard inside the traction locomotive in a real-time and stable manner. The wireless automatic fire alarm system has a simple structure and is easy to realize.
Description
Technical field
The utility model relates to a kind of wireless fire disaster automatic alarm system, relates in particular to a kind of wireless fire disaster automatic alarm system that is applicable to railway traction locomotive.
Background technology
Nowadays; The fast development of railway cause; The traction power of railway locomotive constantly increases, and traction distance and maintenance period prolong, and traction load increases; The insulation degree that is caused by the reasons such as the heat radiation of electromechanical power facility, circuit and ageing equipment of hauling engine reduces and various human factor, makes the hauling engine fire safety problem become increasingly conspicuous.Railway traction locomotive is because its special tectonic; Existing most of in the locomotive is that all-metal is constructed; Narrow space; Bridge operation equipment and instrument are various, cause being difficult on the locomotive punching and laying spool, therefore when automatic fire alarm system is installed, only can select the wireless fire disaster automatic alarm system for use.Existing wireless fire disaster automatic alarm system is applied to the building fire prevention mostly, comprises the detection module and the automatic fire alarm control module of carrying out data transmission through wireless communication module.But because major part is the all-metal structure in the hauling engine, the signal shielding problem is outstanding, makes existing wireless fire disaster detector limited transmitting power receive loss, causes the emission coverage to reduce, and result of use is not good in hauling engine.Simultaneously; Owing to all have Electromagnetic Interference to a certain degree inside and outside the hauling engine; Disturb like power frequency, the signal of train dispatching radiophone and intercom disturbs, and the electric spark harmonics of motor, frequency conversion and contact net switched-mode power supply interface is disturbed; The same frequency interference of meeting and the same model wireless fire disaster detector that locomotive is installed when parking etc. all can influence the operate as normal of wireless fire disaster automatic alarm system.
The utility model content
The purpose of the utility model provides a kind of railway traction locomotive wireless fire disaster automatic alarm system, can carry out early warning or warning to the fire in the hauling engine in real-time stabilization ground.
The utility model adopts following technical proposals:
A kind of railway traction locomotive wireless fire disaster automatic alarm system; Comprise detection module and automatic fire alarm control module; Also comprise the one or more wireless repeaters that are arranged in the railway traction locomotive, carry out wireless telecommunications between detection module, wireless repeater and the automatic fire alarm control module.
Described wireless repeater comprises wireless receiving circuit, amplifying circuit and the radio transmitter that connects successively.
Described detection module comprises fire detector and fire detector communication control unit, and the signal output part of fire detector connects the signal input part of fire detector communication control unit.
Described detection module also comprises the video signal collective device, and the signal output part of video signal collective device connects the signal input part of fire detector communication control unit.
Described fire detector comprises smoke detection head, heat detection head, sensitization detecting head, smoke temperature compound detection head and combustible gas detecting head.
Described fire detector communication control unit comprises first CPU, wireless transmitting unit and radio receiving unit; The signal input part of first CPU connects the signal output part of fire detector; The signal output part of first CPU connects the signal input part of wireless transmitting unit, and the signal output part of radio receiving unit connects the signal input part of first CPU.
Described wireless transmitting unit comprises coding circuit, amplifying circuit, modulation circuit and the radio transmitter that connects successively.
Described automatic fire alarm control module comprises second CPU, alarm unit, display unit, wireless transmitting unit and radio receiving unit; The control signal output ends of second CPU connects the signal input end of alarm unit; The shows signal output terminal of second CPU connects the signal input part of display unit; The signal output part of second CPU connects the signal input part of wireless transmitting unit, and the signal output part of radio receiving unit connects the signal input part of second CPU.
Described radio receiving unit comprises wireless receiving circuit, demodulator circuit, amplifying circuit and the decoding circuit that connects successively, and described wireless transmitting unit comprises coding circuit, amplifying circuit, modulation circuit and the radio transmitter that connects successively.
The signal output part of described second CPU also connects the interlock extinguishing device through driving circuit.
The utility model passes through at hauling engine set inside wireless repeater; Avoided the automatic fire alarm control module can't receive the situation of the alerting signal of detection module transmission; Utilizing coding techniques simultaneously is each detection module settings unique address coding, has solved the Electromagnetic Interference situation effectively, and assurance wireless fire disaster automatic alarm system can be carried out early warning or warning to the fire in the hauling engine in real-time stabilization ground; Simple in structure, be easy to realize.
Description of drawings
Fig. 1 is the theory diagram of the utility model;
Fig. 2 is the theory diagram of fire detecting module in the utility model;
Fig. 3 is the theory diagram of wireless repeater in the utility model;
Fig. 4 is the theory diagram of the automatic alarm control module of fire in the utility model.
Embodiment
As shown in Figure 1; The utility model comprises detection module, automatic fire alarm control module and is arranged on the one or more wireless repeaters in the hauling engine, carries out wireless telecommunications between detection module, wireless repeater and the automatic fire alarm control module.
As shown in Figure 2, the detection module comprises fire detector, video signal collective device and and fire detector communication control unit.Fire detector comprises smoke detection head, heat detection head, sensitization detecting head, smoke temperature compound detection head and combustible gas detecting head.The video signal collective device can adopt digital camera; The fire detector communication control unit comprises first CPU, wireless transmitting unit and radio receiving unit; The signal input part of first CPU connects the signal output part of fire detector and video signal collective device; The signal output part of first CPU connects the signal input part of wireless transmitting unit, and the signal output part of radio receiving unit connects the signal input part of first CPU.Described wireless transmitting unit comprises coding circuit, amplifying circuit, modulation circuit and the radio transmitter that connects successively, and amplifying circuit also comprises buffer circuit, frequency multiplier circuit and the exciting circuit that connects successively; Radio receiving unit comprises wireless receiving circuit, demodulator circuit, amplifying circuit and the decoding circuit that connects successively.
As shown in Figure 3, wireless repeater comprises wireless receiving circuit, amplifying circuit and the radio transmitter that connects successively.
As shown in Figure 4, the automatic fire alarm control module comprises second CPU, alarm unit, display unit, wireless transmitting unit and radio receiving unit.Radio receiving unit comprises wireless receiving circuit, demodulator circuit, amplifying circuit and the decoding circuit that connects successively; Wireless transmitting unit comprises coding circuit, amplifying circuit, modulation circuit and the radio transmitter that connects successively.The control signal output ends of second CPU connects the signal input end of alarm unit and display unit; The signal output part of second CPU connects the signal input part of coding circuit in the wireless transmitting unit, and the signal output part of decoding circuit connects the signal input part of second CPU in the radio receiving unit.The signal output part of second CPU also connects the interlock extinguishing device through driving circuit.
The utility model is when work; At first by the smoke detection head in the fire detector, heat detection head, sensitization detecting head, smoke temperature compound detection head and combustible gas detecting head fire alarm being carried out in the hauling engine inner space monitors in real time; In case find to have the fire dangerous situation; Fire detector will send alerting signal and give first CPU in the detection module; First CPU is encoded alerting signal, amplify and is modulated, and outwards sends through radio transmitter at last.Because most of in the hauling engine is that all-metal is constructed; The signal shielding problem is outstanding; Make detection module limited transmitting power receive loss, cause the emission coverage to reduce, may cause the automatic fire alarm control module can't receive the alerting signal that the detection module is sent.Therefore, the one or more wireless repeaters that are provided with in the hauling engine are head it off effectively.Wireless repeater utilizes wireless receiving circuit to receive the alerting signal that the detection module is sent, and alerting signal is amplified through amplifying circuit, and the alerting signal after will amplifying then is sent to the automatic fire alarm control module.Under the enough strong situation of alerting signal that detection module and automatic fire alarm control module close together, detection module are sent, the automatic fire alarm control module can directly receive the alerting signal that the detection module is sent.Owing to all have Electromagnetic Interference to a certain degree inside and outside the hauling engine; Disturb like power frequency; The signal of train dispatching radiophone and intercom disturbs; The electric spark harmonics of motor, frequency conversion and contact net switched-mode power supply interface is disturbed, and during meeting and the same frequency interference of the same model wireless fire disaster detector that locomotive is installed when parking etc., all can influence the operate as normal of wireless fire disaster automatic alarm system.Be head it off; The utility model utilizes coding techniques and authentication technique; Be the unique geocoding of each detection module settings; And this coded signal is included in the alerting signal that the detection module sends, make the automatic fire alarm control module when receiving alerting signal, can confirm to send the detection module position of this alerting signal.The state that can comprise the detection module in the coded signal like information such as fire, antitheft, fault, cell voltage deficiencies, but when the design coded signal, realizes that fire signal has precedence over all other signals, guarantees the fire priority principle.The automatic fire alarm control module can also regularly be sent interrogating signal to the fire detecting module according to certain frequency simultaneously; And force the detection module to send recall signal; Realization is to the real-time monitoring of a plurality of detection module duties, avoid owing to reasons such as equipment failure or battery failure cause the wireless fire disaster automatic alarm system can't operate as normal.After automatic fire alarm control module second CPU receives the alerting signal that the detection module sends; Can report to the police through alarm unit; Show relevant warning message through display unit simultaneously, breaking out of fire dangerous situation in the prompting staff hauling engine.Alarm unit can adopt audible-visual annunciator, and display unit can adopt light-emitting diode display.Simultaneously, second CPU in the automatic fire alarm control module can also be carried out the fire extinguishing of the very first time and handle through driving circuit control interlock extinguishing device to fire.When the staff finds that alarm unit is reported to the police, also can handle the fire extinguishing that fire carries out the very first time through manually-operated extinguishing device.The staff can realize video monitoring to whole compartment through digital camera.
In order to guarantee the operate as normal of wireless repeater, the wireless receiving circuit of the second central processing unit controls wireless repeater capable of using and radio transmitter.At first use the automatic fire alarm control module regularly to send interrogating signal to wireless repeater according to certain frequency; And force wireless repeater to send recall signal; Feedback according to the wireless repeater recall signal is realized the real-time monitoring to a plurality of wireless repeater duties, guarantees the reliability and the continuity of wireless repeater work.
In the present embodiment, can use a plurality of detection modules simultaneously, the detection module can adopt changeable battery module, guarantees the long-time steady operation of detection module.Detection module and automatic fire alarm control module can adopt the method for permanent magnet adhesive or high-strength adhesive to be fixed in the hauling engine.In this application, because described coding circuit, decoding circuit, amplifying circuit, radio transmitter, wireless receiving circuit, buffer circuit, frequency multiplier circuit and exciting circuit are ripe prior art, repeat no more at this.
Claims (10)
1. railway traction locomotive wireless fire disaster automatic alarm system; Comprise detection module and automatic fire alarm control module; It is characterized in that: also comprise the one or more wireless repeaters that are arranged in the railway traction locomotive, carry out wireless telecommunications between detection module, wireless repeater and the automatic fire alarm control module.
2. railway traction locomotive wireless fire disaster automatic alarm system according to claim 1 is characterized in that: described wireless repeater comprises wireless receiving circuit, amplifying circuit and the radio transmitter that connects successively.
3. railway traction locomotive wireless fire disaster automatic alarm system according to claim 2; It is characterized in that: described detection module comprises fire detector and fire detector communication control unit, and the signal output part of fire detector connects the signal input part of fire detector communication control unit.
4. railway traction locomotive wireless fire disaster automatic alarm system according to claim 3; It is characterized in that: described detection module also comprises the video signal collective device, and the signal output part of video signal collective device connects the signal input part of fire detector communication control unit.
5. according to claim 3 or 4 described railway traction locomotive wireless fire disaster automatic alarm systems, it is characterized in that: described fire detector comprises smoke detection head, heat detection head, sensitization detecting head, smoke temperature compound detection head and combustible gas detecting head.
6. railway traction locomotive wireless fire disaster automatic alarm system according to claim 5; It is characterized in that: described fire detector communication control unit comprises first CPU, wireless transmitting unit and radio receiving unit; The signal input part of first CPU connects the signal output part of fire detector; The signal output part of first CPU connects the signal input part of wireless transmitting unit, and the signal output part of radio receiving unit connects the signal input part of first CPU.
7. railway traction locomotive wireless fire disaster automatic alarm system according to claim 6 is characterized in that: described wireless transmitting unit comprises coding circuit, amplifying circuit, modulation circuit and the radio transmitter that connects successively.
8. according to claim 1,2,3 or 4 described railway traction locomotive wireless fire disaster automatic alarm systems; It is characterized in that: described automatic fire alarm control module comprises second CPU, alarm unit, display unit, wireless transmitting unit and radio receiving unit; The control signal output ends of second CPU connects the signal input end of alarm unit; The shows signal output terminal of second CPU connects the signal input part of display unit; The signal output part of second CPU connects the signal input part of wireless transmitting unit, and the signal output part of radio receiving unit connects the signal input part of second CPU.
9. railway traction locomotive wireless fire disaster automatic alarm system according to claim 8; It is characterized in that: described radio receiving unit comprises wireless receiving circuit, demodulator circuit, amplifying circuit and the decoding circuit that connects successively, and described wireless transmitting unit comprises coding circuit, amplifying circuit, modulation circuit and the radio transmitter that connects successively.
10. railway traction locomotive wireless fire disaster automatic alarm system according to claim 8 is characterized in that: the signal output part of described second CPU also connects the interlock extinguishing device through driving circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220263682 CN202615544U (en) | 2012-06-06 | 2012-06-06 | Wireless automatic fire alarm system for railway traction locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220263682 CN202615544U (en) | 2012-06-06 | 2012-06-06 | Wireless automatic fire alarm system for railway traction locomotive |
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| Publication Number | Publication Date |
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| CN202615544U true CN202615544U (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220263682 Expired - Fee Related CN202615544U (en) | 2012-06-06 | 2012-06-06 | Wireless automatic fire alarm system for railway traction locomotive |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106971484A (en) * | 2017-03-13 | 2017-07-21 | 游木安 | A kind of engine video frequency monitors fireproof alarming fire extinguishing system |
-
2012
- 2012-06-06 CN CN 201220263682 patent/CN202615544U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106971484A (en) * | 2017-03-13 | 2017-07-21 | 游木安 | A kind of engine video frequency monitors fireproof alarming fire extinguishing system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20200606 |