CN201984607U - Electrical fire monitoring and detecting device - Google Patents
Electrical fire monitoring and detecting device Download PDFInfo
- Publication number
- CN201984607U CN201984607U CN2011200315906U CN201120031590U CN201984607U CN 201984607 U CN201984607 U CN 201984607U CN 2011200315906 U CN2011200315906 U CN 2011200315906U CN 201120031590 U CN201120031590 U CN 201120031590U CN 201984607 U CN201984607 U CN 201984607U
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- detector
- residual current
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Abstract
The utility model relates to an electrical fire monitoring and detecting device, which comprises a CPU (central processing unit), a residual current sensor, a temperature sensor, a buzzer and a relay. In order to realize remote monitoring, the remote communication end of the CPU is connected with a CAN (controller area network) communication interface. In order to facilitate field monitoring, the data display end of the CPU is connected with an LCD (liquid crystal display). In order to facilitate field understanding of working state of the detecting device, the state display end of the CPU is connected with an LED (light-emitting diode). In order to facilitate field setting of relevant parameters of the detecting device, the parameter setting end of the CPU is connected with a keyboard. In the electrical fire monitoring and detecting device, the residual current sensor, the temperature sensor and the like are adopted for real-time monitoring of changes in residual current, temperature and other parameters which are possible to cause electrical fire of a protected circuit, when abnormity is detected, the buzzer is controlled to alarm, and the relay is simultaneously controlled to disconnect a related power supply loop, thereby ensuring the safety of a power distribution network and preventing the personal injuries caused by electric shock and the fire.
Description
Technical field
The utility model relates to a kind of detector that protected circuit residual current, temperature etc. may cause the parameter variation of electrical fire of surveying, and specifically is a kind of detector for electric fire protection.
Background technology
The person that distribution system causes gets an electric shock and the system failure, and very major part is because the leakage current of equipment and circuit causes greatly.When leakage current is serious, can burn electrical equipment or circuit, cause fire.The leakage current of how watch-keeping distribution system is realized supervision and control to electrical equipment simultaneously, for electric leakage monitors, pre-electrical fire prevention provides solution, is the technical matters that this area will solve.
The utility model content
The technical problems to be solved in the utility model provide a kind of simple in structure, be suitable for monitoring in real time the detector for electric fire protection that parameter that protected circuit residual current, temperature etc. may cause electrical fire changes.
In order to solve the problems of the technologies described above, the utility model provides a kind of detector for electric fire protection, is characterized in comprising: CPU, the residual current sensor, the temperature sensor that links to each other with the temperature data acquisition end of CPU, the hummer that links to each other with the alarm signal output ends of CPU that link to each other with CPU through signal amplification circuit and the relay that links to each other with the control output end of CPU.
Further, for realizing remote monitoring, the telecommunication end of described CPU is connected with the CAN communication interface.
Further, for making things convenient for on-site supervision, the data presentation end of described CPU is connected with LCD.
Further, be the convenient on-the-spot detector operation state of understanding, the state display end of described CPU is connected with LED, and LED is fault with the corresponding state of different color representations as yellow, and redness is the fire alarm state, and green is a normal condition.
Further, be the convenient on-the-spot correlation parameter of setting detector, the parameter of described CPU is provided with end and is connected with keyboard.
Technique scheme of the present utility model has the following advantages compared to existing technology: in the detector for electric fire protection of the present utility model; adopt residual current sensor, temperature sensor etc. to monitor the parameter variation that protected circuit residual current, temperature etc. may cause electrical fire in real time; and recording when unusual; the control buzzer warning; pilot relay disconnects relevant current supply circuit simultaneously; thereby ensured the safety of distribution system, prevented the generation of personal electric shock and fire.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the utility model is described in further detail, wherein
Fig. 1 is the circuit block diagram of the detector for electric fire protection among the embodiment;
Fig. 2 is the block diagram of the power circuit of described detector for electric fire protection.
Embodiment
See Fig. 1-2, the detector for electric fire protection of present embodiment comprises: CPU, the residual current sensor, the temperature sensor that links to each other with the temperature data acquisition end of CPU, the hummer that links to each other with the alarm signal output ends of CPU that link to each other with CPU through signal amplification circuit and the relay that links to each other with the control output end of CPU.
The telecommunication end of described CPU is connected with the CAN communication interface, and the data presentation end of CPU is connected with LCD, and the state display end of CPU is connected with LED, and the parameter of CPU is provided with end and is connected with keyboard.
The power circuit of detector for electric fire protection comprises: AC power AC220V, filter rectification transformer and mu balanced circuit.The 12V direct current (being DC12V) of filter rectification transformer output is exported DC3.3V and DC5V behind mu balanced circuit.
In the detector for electric fire protection of present embodiment; adopt residual current sensor, temperature sensor etc. to monitor the parameter variation that protected circuit residual current, temperature etc. may cause electrical fire in real time; and recording when unusual; the control buzzer warning; pilot relay disconnects relevant current supply circuit simultaneously; thereby ensured the safety of distribution system, prevented the generation of personal electric shock and fire.
Obviously, the foregoing description only is for the utility model example clearly is described, and is not to be qualification 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 exhaustive to all embodiments.And these belong to conspicuous variation or the change that spirit of the present utility model extended out and still are among the protection domain of the present utility model.
Claims (5)
1. detector for electric fire protection is characterized in that comprising: CPU, the residual current sensor, the temperature sensor that links to each other with the temperature data acquisition end of CPU, the hummer that links to each other with the alarm signal output ends of CPU that link to each other with CPU through signal amplification circuit and the relay that links to each other with the control output end of CPU.
2. detector for electric fire protection according to claim 1 is characterized in that: the telecommunication end of described CPU is connected with the CAN communication interface.
3. detector for electric fire protection according to claim 1 and 2 is characterized in that: the data presentation end of described CPU is connected with LCD.
4. detector for electric fire protection according to claim 3 is characterized in that: the state display end of described CPU is connected with LED.
5. detector for electric fire protection according to claim 4 is characterized in that: the parameter of described CPU is provided with end and is connected with keyboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200315906U CN201984607U (en) | 2011-01-30 | 2011-01-30 | Electrical fire monitoring and detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200315906U CN201984607U (en) | 2011-01-30 | 2011-01-30 | Electrical fire monitoring and detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201984607U true CN201984607U (en) | 2011-09-21 |
Family
ID=44612063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200315906U Expired - Fee Related CN201984607U (en) | 2011-01-30 | 2011-01-30 | Electrical fire monitoring and detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201984607U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107527467A (en) * | 2017-08-31 | 2017-12-29 | 陈秋菊 | Electrical fire prevention monitoring detector with self-protection device |
| CN111045890A (en) * | 2019-12-10 | 2020-04-21 | 广东水利电力职业技术学院（广东省水利电力技工学校） | Temperature monitoring device for CPU |
-
2011
- 2011-01-30 CN CN2011200315906U patent/CN201984607U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107527467A (en) * | 2017-08-31 | 2017-12-29 | 陈秋菊 | Electrical fire prevention monitoring detector with self-protection device |
| CN107527467B (en) * | 2017-08-31 | 2019-08-16 | 陈秋菊 | Electrical fire prevention monitoring detector with self-protection device |
| CN111045890A (en) * | 2019-12-10 | 2020-04-21 | 广东水利电力职业技术学院（广东省水利电力技工学校） | Temperature monitoring device for CPU |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20160130 |
|
| EXPY | Termination of patent right or utility model |