CN203204763U - Electrical fire warning device - Google Patents
Electrical fire warning device Download PDFInfo
- Publication number
- CN203204763U CN203204763U CN 201320230243 CN201320230243U CN203204763U CN 203204763 U CN203204763 U CN 203204763U CN 201320230243 CN201320230243 CN 201320230243 CN 201320230243 U CN201320230243 U CN 201320230243U CN 203204763 U CN203204763 U CN 203204763U
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- circuit
- electrically connected
- detection
- controller
- bus communication
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Abstract
The utility model discloses an electrical fire warning device including monitors and detectors. The electrical fire warning device also includes a CAN bus communication circuit. The CAN bus communication circuit is provided with a connection terminal. The monitors and the detectors are both connected to the connection terminal of the CAN bus communication circuit. The electrical fire warning device provided by the utility model is simple in structure. By adopting the CAN bus communication circuit, communication speed and the communication distance are increased effectively. And the quantities of the detectors and the monitors connected with the connection terminal of the CAN bus communication circuit can be large, so that the electrical fire warning device is wide in application range and good in practical applicability.
Description
Technical field
The utility model belongs to the electrical fire monitoring field, is specifically related to a kind of electric fire alarm.
Background technology
At present, in the middle of China's bus type electric fire alarm device is developing, there is certain defect in traditional bus type electric fire alarm (such as two buses, RS-485 etc.): data rate is low, distance is short, data loss rate is high, attachable detector quantity is less etc., can't give full play to bus type electric fire alarm device advantage.Therefore need a kind of New Bus formula electric fire alarm device of design.
Summary of the invention
The purpose of this utility model provides a kind of simple in structure, the electric fire alarm of the high and long distance for data of data rate.
The technical scheme that realizes the utility model purpose is: a kind of electric fire alarm, comprise watch-dog and detector, also comprise CAN bus communication circuit, described CAN bus communication circuit is provided with splicing ear, and described watch-dog and detector all are connected on the splicing ear of described CAN bus communication circuit.
Described splicing ear is 1-200.
Described detector comprises current transformer, the amplification modulate circuit that is electrically connected with described current transformer output terminal, the controller for detection that is electrically connected with the output terminal of described amplification modulate circuit, the relay that is electrically connected with described controller for detection output terminal, the temperature sensor that is electrically connected with described controller for detection input end, with the detection communication interface circuit that described controller for detection communication ends is electrically connected, described detection communication interface circuit is electrically connected with the splicing ear of described CAN bus communication circuit.
Described watch-dog comprises the keyboard input circuit, the monitor controller that is electrically connected with described keyboard input circuit output terminal, the display circuit that is connected with described monitor controller output terminal, with the supervision communication interface circuit that described monitor controller communication ends is connected, described supervision communication interface circuit is electrically connected with the splicing ear of described CAN bus communication circuit.
The model of described controller for detection is PIC24HJ64GP506.
The model of described monitor controller is AT90CAN128.
The utlity model has positive effect: of the present utility model simple in structure, adopt CAN bus communication circuit, effectively raise communication speed and communication distance, and detector all is connected with the splicing ear of CAN bus communication circuit with watch-dog, the detector that can connect and watch-dog quantity are many, applicability is wide, and practicality is good.
Description of drawings
For content of the present utility model is more likely to be clearly understood, the below is described in further detail the utility model according to specific embodiment also by reference to the accompanying drawings, wherein:
Fig. 1 is structured flowchart of the present utility model.
Embodiment
(embodiment 1)
Fig. 1 has shown a kind of embodiment of the present utility model, and wherein Fig. 1 is structured flowchart of the present utility model.
See Fig. 1, a kind of electric fire alarm comprises watch-dog 1 and detector 2, also comprises CAN bus communication circuit 3, described CAN bus communication circuit 3 is provided with splicing ear 31, and described watch-dog 1 and detector 2 all are connected on the splicing ear 31 of described CAN bus communication circuit 3.Adopt CAN bus communication circuit, effectively raise communication speed and communication distance, and detector all is connected with the splicing ear of CAN bus communication circuit with watch-dog, the detector that can connect and watch-dog quantity are many, and applicability is wide, and practicality is good.
Described splicing ear 31 is 1-200.
Described detector 2 comprises current transformer 21, the amplification modulate circuit 22 that is electrically connected with described current transformer 21 output terminals, the controller for detection 23 that is electrically connected with the output terminal of described amplification modulate circuit 22, the relay 24 that is electrically connected with described controller for detection 23 output terminals, the temperature sensor 25 that is electrically connected with described controller for detection 23 input ends, with the detection communication interface circuit 26 that described controller for detection 23 communication ends are electrically connected, described detection communication interface circuit 26 is electrically connected with the splicing ear 31 of described CAN bus communication circuit 3.When current transformer detects on the power transmission line when electric leakage or temperature sensor occurring and detecting excess Temperature, controller for detection is received detection signal, and signal entered processing, then pilot relay is cut off the electricity supply, and sends alerting signal to watch-dog by CAN bus communication circuit by surveying communication interface circuit simultaneously.
Described watch-dog 1 comprises keyboard input circuit 11, the monitor controller 12 that is electrically connected with described keyboard input circuit 11 output terminals, the display circuit 13 that is connected with described monitor controller 12 output terminals, with the supervision communication interface circuit 14 that described monitor controller 12 communication ends are connected, described supervision communication interface circuit 14 is electrically connected with the splicing ear 31 of described CAN bus communication circuit 3.The alerting signal of monitor controller by CAN bus communication circuit pick-up probe, and with display alarm information, can carry out function setting to watch-dog by the keyboard input circuit, and finish control to detector by CAN bus communication circuit.
The model of described controller for detection 23 is PIC24HJ64GP506.
The model of described monitor controller 12 is AT90CAN128.
Obviously, above-described embodiment of the present utility model only is for the utility model example clearly is described, and is not to be restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection domain of the present utility model.
Claims (6)
1. electric fire alarm, comprise watch-dog and detector, it is characterized in that: also comprise CAN bus communication circuit, described CAN bus communication circuit is provided with splicing ear, and described watch-dog and detector all are connected on the splicing ear of described CAN bus communication circuit.
2. electric fire alarm according to claim 1 is characterized in that: described splicing ear is 1-200.
3. electric fire alarm according to claim 2, it is characterized in that: described detector comprises current transformer, the amplification modulate circuit that is electrically connected with described current transformer output terminal, the controller for detection that is electrically connected with the output terminal of described amplification modulate circuit, the relay that is electrically connected with described controller for detection output terminal, the temperature sensor that is electrically connected with described controller for detection input end, with the detection communication interface circuit that described controller for detection communication ends is electrically connected, described detection communication interface circuit is electrically connected with the splicing ear of described CAN bus communication circuit.
4. electric fire alarm according to claim 3, it is characterized in that: described watch-dog comprises the keyboard input circuit, the monitor controller that is electrically connected with described keyboard input circuit output terminal, the display circuit that is connected with described monitor controller output terminal, with the supervision communication interface circuit that described monitor controller communication ends is connected, described supervision communication interface circuit is electrically connected with the splicing ear of described CAN bus communication circuit.
5. electric fire alarm according to claim 4, it is characterized in that: the model of described controller for detection is PIC24HJ64GP506.
6. electric fire alarm according to claim 5, it is characterized in that: the model of described monitor controller is AT90CAN128.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320230243 CN203204763U (en) | 2013-05-02 | 2013-05-02 | Electrical fire warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320230243 CN203204763U (en) | 2013-05-02 | 2013-05-02 | Electrical fire warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203204763U true CN203204763U (en) | 2013-09-18 |
Family
ID=49148852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320230243 Expired - Fee Related CN203204763U (en) | 2013-05-02 | 2013-05-02 | Electrical fire warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203204763U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103685565A (en) * | 2013-12-24 | 2014-03-26 | 施耐德万高（天津）电气设备有限公司 | Intelligent control CAN-bus (Controller Area Network) electric fire monitoring system |
| CN105445595A (en) * | 2014-08-12 | 2016-03-30 | 无锡蓝天电子有限公司 | Fire disaster monitoring detecting device |
-
2013
- 2013-05-02 CN CN 201320230243 patent/CN203204763U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103685565A (en) * | 2013-12-24 | 2014-03-26 | 施耐德万高（天津）电气设备有限公司 | Intelligent control CAN-bus (Controller Area Network) electric fire monitoring system |
| CN105445595A (en) * | 2014-08-12 | 2016-03-30 | 无锡蓝天电子有限公司 | Fire disaster monitoring detecting device |
| CN105445595B (en) * | 2014-08-12 | 2018-05-11 | 无锡蓝天电子股份有限公司 | A kind of fire hazard monitoring detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20140502 |