CN203965875U - The electric appliance safety monitoring of a kind of classroom and warning device - Google Patents
The electric appliance safety monitoring of a kind of classroom and warning device Download PDFInfo
- Publication number
- CN203965875U CN203965875U CN201420419214.8U CN201420419214U CN203965875U CN 203965875 U CN203965875 U CN 203965875U CN 201420419214 U CN201420419214 U CN 201420419214U CN 203965875 U CN203965875 U CN 203965875U
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Abstract
The utility model provides the electric appliance safety monitoring of a kind of classroom and warning device, and it comprises electric circuit inspection module, circuit analysis module, safety governor and alarm assemblies.Electric circuit inspection module connects a plurality of electrical appliances in classroom, and it comprises voltage-level detector and Temperature Detector, and voltage-level detector comprises voltage transformer (VT), the first wave filter, the second wave filter and A/D converter.Magnitude of voltage and temperature value that circuit analysis module is transmitted for receiving A/D converter.Safety governor is relay, for circuit is carried out to auto-breaking; Alarm assemblies is connected with described circuit analysis module, and it comprises hummer and information transmitting apparatus information, for to school control center or subscription client send early warning information.The utility model is simple in structure, can carry out malfunction monitoring to the electrical equipment in classroom, and realize auto-breaking under a stable condition, when finding to have potential safety problem, can send early warning, prevents the generation of unsafe incidents.
Description
Technical field
The utility model relates to Electrical Safety monitoring field, is specifically related to the electric appliance safety monitoring of a kind of classroom and warning device.
Background technology
Along with scientific and technical development, many schools all adopt technicalization teaching, mostly in classroom, all dispose much electrical equipment, as light fixture, water dispenser, projector, audio amplifier and computer etc., and in lower class hour, have many times teacher and classmate's association forget and close some electrical equipment, so not only caused electric weight waste, and can cause classroom Electrical Safety, school property and student's personal safety is caused to unnecessary injury.Therefore, be badly in need of research a kind of classroom electric appliance safety monitoring and warning device, can monitor the electrical equipment in classroom, and realize auto-breaking under a stable condition, in the time will there is safety problem, can send early warning, prevent the generation of unsafe incidents.
Summary of the invention
The utility model is used the existing shortcoming of safety for solving the above-mentioned existing religion indoor electric appliance of mentioning, the electric appliance safety monitoring of a kind of classroom and warning device are provided, can monitor the electrical equipment in classroom, and realize auto-breaking under a stable condition, in the time will there is safety problem, can send early warning, and power-off in time, prevent the generation of unsafe incidents.
Concrete, the utility model provides the electric appliance safety monitoring of a kind of classroom and warning device, and it comprises electric circuit inspection module, circuit analysis module, safety governor and alarm assemblies;
Described electric circuit inspection module connects a plurality of electrical appliances and power circuit in classroom, and it comprises voltage-level detector and Temperature Detector, and described voltage-level detector comprises voltage transformer (VT), the first wave filter, the second wave filter and A/D converter; Described voltage transformer (VT), described the first wave filter, described the second wave filter and described A/D converter are electrically connected to successively, and the output terminal of described A/D converter and the output terminal of described Temperature Detector connect respectively the input end of described circuit analysis module;
Described circuit analysis module is for receiving the magnitude of voltage of described A/D converter transmission and the temperature value of described Temperature Detector transmission, and the output terminal of described circuit analysis module connects described safety governor and described information transmitting apparatus;
Described safety governor is connected with described power circuit, in order to described power circuit is carried out to auto-breaking protection;
Described alarm assemblies is connected with described circuit analysis module, and it comprises hummer and information transmitting apparatus.
Preferably, described Temperature Detector is DS18B20 temperature sensor.
Preferably, described circuit analysis module is single-chip microcomputer, and described A/D converter connects described single-chip microcomputer by data line.
Preferably, described circuit analysis module is connected with LED LCDs by data line.
Preferably, described temperature sensor comprises bus and is connected to a plurality of sensor chips in described bus, and described a plurality of sensor chips are separately positioned in classroom on a plurality of electrical appliances, and described bus connects described single-chip microcomputer.
Preferably, described information transmitting apparatus connects school control center or subscription client by wireless network, for send early warning information when there is safety problem; Described hummer for carrying out buzzing warning when there is safety problem.
Preferably, described safety governor is relay, and described relay is for carrying out auto-breaking to circuit; Described relay comprises iron core, coil, armature and contact reed.As long as add certain voltage at coil two ends, in coil, will flow through certain electric current, thereby generation galvanomagnetic effect, armature will overcome the pulling force of return spring under the effect of electromagnetic attracting force to be inhaled to iron core, thereby with moving contact and stationary contact (normally opened contact) adhesive of moving armature.After coil blackout, the suction of electromagnetism also disappears thereupon, and armature will return to original position at the reacting force of spring, makes moving contact and original stationary contact (normally closed contact) adhesive.
The utility model is simple in structure, can monitor the electrical equipment in classroom, and realize auto-breaking under a stable condition, in the time will there is safety problem, can send early warning, prevents the generation of unsafe incidents.By electric circuit inspection module, gather real-time voltage value and the temperature value of electrical appliance in classroom, and compare with safe voltage and temperature, after while finding safety problem, can to circuit, carry out auto-breaking by relay, and carry out buzzing warning by hummer, simultaneously by wireless network to school control center or subscription client send early warning information, guarantee the Electrical Safety in classroom.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic diagram of voltage-level detector of the present utility model; And
Fig. 3 is an instantiation schematic diagram of classroom of the present utility model electric appliance safety monitoring and warning device.
Embodiment
Below in conjunction with accompanying drawing and embodiment, structure of the present utility model is further explained:
The utility model provides the electric appliance safety monitoring of a kind of classroom and warning device, as shown in Figure 1, it comprises electric circuit inspection module 1, circuit analysis module 2, safety governor 3 and the alarm assemblies 4 that connects a plurality of electrical appliances and power circuit in classroom, and alarm assemblies 4 comprises information transmitting apparatus 41 and hummer 8.
Shown in Fig. 2, electric circuit inspection module 1 comprises voltage-level detector 11 and Temperature Detector 12, and the output terminal of the output terminal of voltage-level detector 11 and Temperature Detector 12 is the input end of connecting circuit analysis module 2 respectively.Voltage-level detector 11 comprises voltage transformer (VT) 110, the first wave filter 111, the second wave filter 112 and A/D converter 113; Voltage transformer (VT) 110, the first wave filter 111, the second wave filter 112 and A/D converter 113 connect successively; Once electric circuit inspection module 1 is found temperature anomaly or the power circuit short circuit of electrical appliance, can send warning by alarm assemblies 4.
Circuit analysis module 2 is for receiving the magnitude of voltage of A/D converter 113 transmission and the temperature value of Temperature Detector 12 transmission, and connects safety governor 3 and alarm assemblies 4.
Safety governor 3 is relay 31, and relay 31 is for carrying out auto-breaking to circuit; Relay comprises iron core, coil, armature and contact reed; As long as add certain voltage at coil two ends, in coil, will flow through certain electric current, thereby generation galvanomagnetic effect, armature will overcome the pulling force of return spring under the effect of electromagnetic attracting force to be inhaled to iron core, thereby with moving contact and stationary contact (normally opened contact) adhesive of moving armature.After coil blackout, the suction of electromagnetism also disappears thereupon, and armature will return to original position at the reacting force of spring, makes moving contact and original stationary contact (normally closed contact) adhesive.
Alarm assemblies 4 is connected with circuit analysis module 2, and it comprises hummer 8 and information transmitting apparatus 41.
Preferably, Temperature Detector 12 can be temperature sensor, and temperature sensor is DS18B20 temperature sensor.Temperature Detector 12 comprises bus 120 and is connected to a plurality of sensor chips 121 in bus 120.Temperature Detector 12 can detect the temperature of electrical appliance, once find the temperature anomaly of electrical appliance, can send warning by alarm assemblies 4, if the unmanned warning message of processing in certain hour, relay can carry out auto-breaking.
One preferred embodiment in, as shown in Figure 3, a plurality of sensor chips 121 are separately positioned in classroom on a plurality of electrical appliances 110, for a plurality of electrical appliances 110 are carried out to electricity consumption monitoring.Bus 120 receives the temperature data that sensor chip 121 obtains, and is transferred on the single-chip microcomputer 20 as circuit analysis module 2.A/D converter 113 in voltage-level detector 11 connects described single-chip microcomputer 20 by data line simultaneously.Single-chip microcomputer 20 is connected with respectively LED LCDs 7, hummer 8 and information transmitting apparatus 41 by data line, and LED LCDs 7 can show magnitude of voltage and the temperature value detecting in real time.When there is safety problem, hummer 8 is for carrying out buzzing warning; Information transmitting apparatus 41 connects school control center 5 or subscription client 6 by wireless network, for to school control center 5 or subscription client 6 send early warning information.If unmanned in certain hour, process warning message, thereby relay 31 can carry out the safety that auto-breaking guarantees electrical appliance and circuit in classroom.
The utility model is simple in structure, can monitor the electrical equipment in classroom, and realize auto-breaking under a stable condition, in the time will there is safety problem, can send early warning, prevents the generation of unsafe incidents.By electric circuit inspection module 1, gather real-time voltage value and the temperature value of electrical appliance in classroom, and compare with safe voltage and temperature, after while finding safety problem, can to circuit, carry out auto-breaking by relay, and carry out buzzing warning by hummer 8, simultaneously by wireless network to school control center or subscription client send early warning information, guarantee the Electrical Safety in classroom.
Person of ordinary skill in the field is to be understood that: in the situation that not departing from ultimate principle of the present utility model; can carry out various modifications, retouching, combination to the utility model, supplement or the replacement of technical characterictic, these are equal to substitute mode or within obviously mode of texturing all falls into protection domain of the present utility model.
Claims (7)
1. the safety monitoring of classroom electric appliance and a warning device, is characterized in that: it comprises electric circuit inspection module, circuit analysis module, safety governor and alarm assemblies;
Described electric circuit inspection module connects a plurality of electrical appliances and power circuit in classroom, and it comprises voltage-level detector and Temperature Detector, and described voltage-level detector comprises voltage transformer (VT), the first wave filter, the second wave filter and A/D converter; Described voltage transformer (VT), described the first wave filter, described the second wave filter and described A/D converter are electrically connected to successively, and the output terminal of described A/D converter and the output terminal of described Temperature Detector connect respectively the input end of described circuit analysis module;
Described circuit analysis module is for receiving the magnitude of voltage of described A/D converter transmission and the temperature value of described Temperature Detector transmission, and the output terminal of described circuit analysis module connects described safety governor and information transmitting apparatus;
Described safety governor is connected with described power circuit, in order to described power circuit is carried out to auto-breaking protection;
Described alarm assemblies is connected with described circuit analysis module, and it comprises hummer and information transmitting apparatus.
2. classroom according to claim 1 electric appliance safety monitoring and warning device, is characterized in that: described Temperature Detector is DS18B20 temperature sensor.
3. classroom according to claim 1 electric appliance safety monitoring and warning device, is characterized in that: described circuit analysis module is single-chip microcomputer, and described A/D converter connects described single-chip microcomputer by data line.
4. classroom according to claim 2 electric appliance safety monitoring and warning device, is characterized in that: described circuit analysis module is connected with LED LCDs by data line.
5. classroom according to claim 3 electric appliance safety monitoring and warning device, it is characterized in that: described temperature sensor comprises bus and is connected to a plurality of sensor chips in described bus, described a plurality of sensor chip is separately positioned in classroom on a plurality of electrical appliances, and described bus connects described single-chip microcomputer.
6. classroom according to claim 4 electric appliance safety monitoring and warning device, is characterized in that: described information transmitting apparatus connects school control center or subscription client by wireless network, for send early warning information when there is safety problem; Described hummer for carrying out buzzing warning when there is safety problem.
7. classroom according to claim 1 electric appliance safety monitoring and warning device, is characterized in that: described safety governor is relay, and described relay is for carrying out auto-breaking to circuit; Described relay comprises iron core, coil, armature and contact reed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420419214.8U CN203965875U (en) | 2014-07-28 | 2014-07-28 | The electric appliance safety monitoring of a kind of classroom and warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420419214.8U CN203965875U (en) | 2014-07-28 | 2014-07-28 | The electric appliance safety monitoring of a kind of classroom and warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203965875U true CN203965875U (en) | 2014-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420419214.8U Expired - Fee Related CN203965875U (en) | 2014-07-28 | 2014-07-28 | The electric appliance safety monitoring of a kind of classroom and warning device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203965875U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106707844A (en) * | 2016-11-25 | 2017-05-24 | 合肥海亚信息科技有限公司 | Novel multimedia classroom management system |
| CN107959293A (en) * | 2017-12-19 | 2018-04-24 | 浙江大学 | A kind of resident load based on optimal load flow and segmentation excitation cuts down dispatching method |
| CN109066983A (en) * | 2018-08-23 | 2018-12-21 | 国网江苏省电力有限公司盐城供电分公司 | A kind of electric control system and its control method based on workshop |
| CN111535699A (en) * | 2020-05-19 | 2020-08-14 | 陕西科技大学 | Multimedia equipment automation system based on ARM and control method |
-
2014
- 2014-07-28 CN CN201420419214.8U patent/CN203965875U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106707844A (en) * | 2016-11-25 | 2017-05-24 | 合肥海亚信息科技有限公司 | Novel multimedia classroom management system |
| CN107959293A (en) * | 2017-12-19 | 2018-04-24 | 浙江大学 | A kind of resident load based on optimal load flow and segmentation excitation cuts down dispatching method |
| CN109066983A (en) * | 2018-08-23 | 2018-12-21 | 国网江苏省电力有限公司盐城供电分公司 | A kind of electric control system and its control method based on workshop |
| CN109066983B (en) * | 2018-08-23 | 2023-10-03 | 国网江苏省电力有限公司盐城供电分公司 | Workshop-based power control system and control method thereof |
| CN111535699A (en) * | 2020-05-19 | 2020-08-14 | 陕西科技大学 | Multimedia equipment automation system based on ARM and control method |
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| 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 |
Granted publication date: 20141126 Termination date: 20160728 |
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| CF01 | Termination of patent right due to non-payment of annual fee |