CN204719164U - Electrical network flash warning system - Google Patents
Electrical network flash warning system Download PDFInfo
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- CN204719164U CN204719164U CN201520307083.9U CN201520307083U CN204719164U CN 204719164 U CN204719164 U CN 204719164U CN 201520307083 U CN201520307083 U CN 201520307083U CN 204719164 U CN204719164 U CN 204719164U
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Abstract
A kind of electrical network flash warning system, relates to technical field of power systems, and what solve is the technical matters of electrical network flash.This system comprise main switch, audible alarm unit, light alarming device, GPS warning device, three input nand gates, not gate, dual input or door, first and door, second and door, the 3rd with door, the 4th and door; Three input ends of three input nand gates monitor the three-phase line of electrical networks by three undervoltage relays, the input end of not gate monitors the open circuit situation of electrical network by the isolating switch in electrical network; The output of three input nand gates and the output of not gate access dual input or door, the output of dual input or door and main switch access first and door, first with the output of door and the alarm switch of three warning devices access respectively second with door, the 3rd with door, the 4th and door, second respectively accesses the alerting signal receiving terminal of three warning devices with door, the 4th with the output of door with door, the 3rd.The system that the utility model provides, is applicable to electrical network flash status monitoring.
Description
Technical field
The utility model relates to technical field of power systems, particularly relates to a kind of electrical network flash warning system.
Background technology
There are several controller switching equipments not to the utmost in controller switching equipment industry, have plenty of for the supporting industry control controller switching equipment of lathe, have plenty of for resident's daily life needs to distribute the controller switching equipment of electric energy, also have plenty of for factories and miness, office provide the controller switching equipment etc. distributing electric energy.Some controller switching equipment is to the quality requirements of the electricity consumption height very (testing equipment such as researched and developed, cryogenic thermostat equipment etc.), the electrical network flash phenomenon at several seconds zero point is had in the middle of these controller switching equipments, power supply will cut off automatically, program is also by automatic homing, cause equipment not work, the time one is long, and the achievement in research on equipment is also all destroyed overnight.
In order to avoid electrical network flash is on the impact of controller switching equipment, some controller switching equipment solves problem by installing UPS (uninterrupted power source) additional, but UPS can only play the effect that the short time maintains power supply, if untreated for a long time, it is still a power outage, and UPS needs to take larger space, its cost is also higher, and staff also cannot discover the impact of electrical network flash on controller switching equipment in real time.
Utility model content
For the defect existed in above-mentioned prior art, technical problem to be solved in the utility model is to provide one and takes up room little, and cost is low, the electrical network flash warning system of energy Real-time Feedback electrical network flash situation.
In order to solve the problems of the technologies described above, electrical network flash warning system provided by the utility model, relate to electrical network, isolating switch is provided with in described electrical network, wherein, described system comprises main switch, audible alarm unit, light alarming device, GPS warning device, A phase undervoltage relay, B phase undervoltage relay, C phase undervoltage relay, three input nand gates, not gate, dual input or door, and four dual inputs and door, described four dual inputs and door be respectively first with door, second with door, the 3rd and door, the 4th and door;
Described audible alarm unit, light alarming device, GPS warning device are equipped with the alarm switch for controlling the start and stop of this device, and for receiving the alerting signal receiving terminal of alerting signal;
The A phase circuit of the solenoid access electrical network of described A phase undervoltage relay, the B phase circuit of the solenoid access electrical network of B phase undervoltage relay, the C phase circuit of the solenoid access electrical network of C phase undervoltage relay;
The normally closed contact of first input termination A phase undervoltage relay of described three input nand gates is to high level, the normally closed contact of second input termination B phase undervoltage relay of three input nand gates is to high level, and the normally closed contact of the 3rd input termination C phase undervoltage relay of three input nand gates is to high level;
The input end of described not gate receives high level by the trip alarms normally closed contact of the isolating switch in electrical network;
An input end of described dual input or door receives the output terminal of three input nand gates, and another input end of dual input or door receives the output terminal of not gate;
Described first receives the output terminal of dual input or door with an input end of door, and first receives high level with another input end of door through main switch;
Described second receives the output terminal of first and door with an input end of door, and second receives high level with another input end of door through the alarm switch of audible alarm unit, and second receives the alerting signal receiving terminal of audible alarm unit with the output terminal of door;
Described 3rd receives the output terminal of first and door with an input end of door, and the 3rd receives high level with another input end of door through the alarm switch of light alarming device, and the 3rd receives the alerting signal receiving terminal of light alarming device with the output terminal of door;
Described 4th receives the output terminal of first and door with an input end of door, and the 4th receives high level with another input end of door through the alarm switch of GPS warning device, and the 4th receives the alerting signal receiving terminal of GPS warning device with the output terminal of door.
The electrical network flash warning system that the utility model provides, undervoltage relay is utilized to monitor electrical network flash phenomenon, by the cooperation of multiple gate circuit, can to staff, make staff can discover the impact of electrical network flash on controller switching equipment in real time by audible alarm, light warning, GPS type of alarm Real-time Feedback the flash of electrical network, open circuit.
Accompanying drawing explanation
Fig. 1 is the structural representation of the electrical network flash warning system of the utility model embodiment.
Embodiment
Illustrate below in conjunction with accompanying drawing and embodiment of the present utility model is described in further detail; but the present embodiment is not limited to the utility model; every employing analog structure of the present utility model and similar change thereof; protection domain of the present utility model all should be listed in, the pause mark in the utility model all represent and relation.
As shown in Figure 1, a kind of electrical network flash warning system that the utility model embodiment provides, relate to electrical network, isolating switch D1 is provided with in described electrical network, described electrical network flash warning system comprises main switch K1, audible alarm unit T1, light alarming device T2, GPS warning device T3, A phase undervoltage relay J1, B phase undervoltage relay J2, C phase undervoltage relay J3, three input nand gate U1, not gate U2, dual input or door U3, and four dual inputs and door, described four dual inputs and door are respectively first and door N1, second with door N2, 3rd with door N3, 4th with door N4,
Described audible alarm unit T1, light alarming device T2, GPS warning device T3 are equipped with the alarm switch for controlling the start and stop of this device, and for receiving the alerting signal receiving terminal of alerting signal;
The A phase circuit of the solenoid access electrical network of described A phase undervoltage relay J1, the B phase circuit of the solenoid access electrical network of B phase undervoltage relay J2, the C phase circuit of the solenoid access electrical network of C phase undervoltage relay J3;
The normally closed contact of first input termination A phase undervoltage relay J1 of described three input nand gate U1 is to high level, the normally closed contact of second input termination B phase undervoltage relay J2 of three input nand gate U1 is to high level, and the normally closed contact of the 3rd the input termination C phase undervoltage relay J3 of three input nand gate U1 is to high level;
The input end of described not gate U2 receives high level by the trip alarms normally closed contact (SD) of the isolating switch D1 in electrical network;
An input end of described dual input or door U3 receives the output terminal of three input nand gate U1, and another input end of dual input or door U3 receives the output terminal of not gate U2;
Described first receives the output terminal of dual input or door U3 with an input end of door N1, and first receives high level with another input end of door N1 through main switch K1;
Described second receives the output terminal of first and door N1 with an input end of door N2, second receives high level with another input end of door N2 through the alarm switch K2 of audible alarm unit T1, and second receives the alerting signal receiving terminal of audible alarm unit T1 with the output terminal of door N2;
Described 3rd receives the output terminal of first and door N1 with an input end of door N3,3rd receives high level with another input end of door N3 through the alarm switch K3 of light alarming device T2, and the 3rd receives the alerting signal receiving terminal of light alarming device T2 with the output terminal of door N3;
Described 4th receives the output terminal of first and door N1 with an input end of door N4,4th receives high level with another input end of door N4 through the alarm switch K4 of GPS warning device T3, and the 4th receives the alerting signal receiving terminal of GPS warning device T3 with the output terminal of door N4.
In the utility model embodiment, described audible alarm unit, light alarming device, GPS warning device are prior art, audible alarm unit is wherein used for output sound signal, primarily of loudspeaker and electronic switch composition, light alarming device is wherein for exporting wigwag, primarily of alarm lamp and electronic switch composition, GPS warning device wherein, for exporting GPS position information, forms primarily of GPS module, electronic switch and reception signal terminal.
The principle of work of the utility model embodiment is as follows:
When needing to start electrical network flash warning system, main switch K1 is closed, when needing to open audible alarm unit T1, the alarm switch K2 of audible alarm unit T1 is closed, when needing to open light alarming device T2, the alarm switch K3 of light alarming device T2 is closed, when needing to open GPS warning device T3, the alarm switch K4 of GPS warning device T3 is closed;
Under normal condition, A phase undervoltage relay J1, the normally closed contact of B phase undervoltage relay J2 and C phase undervoltage relay J3 is all in closure state, the trip alarms normally closed contact of the isolating switch D1 in electrical network is in closure state, now three input ends of three input nand gate U1 are high level, the output terminal of three input nand gate U1 is then low level, the input end of not gate U2 is high level, the output terminal of not gate U2 is then low level, two input ends of now dual input or door U3 are low level, its output terminal is also low level, now first is low level with the output terminal of door N1, second with door N2, 3rd is also low level with the output terminal of door N3 and the 4th and door N4,
When there is flash in the arbitrary phase voltage in A, B, C three-phase line of electrical network, the normally closed contact accessing the undervoltage relay of this phase circuit can disconnect thereupon, make an input end of three input nand gate U1 transfer low level to, the output terminal of three input nand gate U1 also transfers high level to thereupon;
When electrical network generation open circuit, the trip alarms normally closed contact (SD) of the isolating switch D1 in electrical network can disconnect, and make the input end of not gate U2 transfer low level to, the output terminal of not gate U2 also transfers high level to thereupon;
When any one input end of dual input or door U3 receives high level, namely show that namely electrical network has flash or breaking phenomena, the output terminal of now dual input or door U3 is high level, if now main switch K1 is in closure state, then first be high level with two input ends of door N1, now first is high level with the output terminal of door N1; If now the alarm switch K2 of audible alarm unit T1 is in closure state, then second be high level with two input ends of door N2, make second to transfer high level to the output terminal of door N2, thus toggle sound warning device T1 export audible ringing signal; If now the alarm switch K3 of light alarming device T2 is in closure state, then the 3rd be high level with two input ends of door N3, make the 3rd to transfer high level to the output terminal of door N3, thus trigger light alarming device T2 output light warning signal; If now the alarm switch K4 of GPS warning device T3 is in closure state, then the 4th be high level with two input ends of door N4, make the 4th to transfer high level to the output terminal of door N4, thus trigger GPS warning device T3 output GPS alerting signal.
Claims (1)
1. an electrical network flash warning system, relate to electrical network, isolating switch is provided with in described electrical network, it is characterized in that: this system comprises main switch, audible alarm unit, light alarming device, GPS warning device, A phase undervoltage relay, B phase undervoltage relay, C phase undervoltage relay, three input nand gates, not gate, dual input or door, and four dual inputs and door, described four dual inputs and door be respectively first with door, second with door, the 3rd and door, the 4th and door;
Described audible alarm unit, light alarming device, GPS warning device are equipped with the alarm switch for controlling the start and stop of this device, and for receiving the alerting signal receiving terminal of alerting signal;
The A phase circuit of the solenoid access electrical network of described A phase undervoltage relay, the B phase circuit of the solenoid access electrical network of B phase undervoltage relay, the C phase circuit of the solenoid access electrical network of C phase undervoltage relay;
The normally closed contact of first input termination A phase undervoltage relay of described three input nand gates is to high level, the normally closed contact of second input termination B phase undervoltage relay of three input nand gates is to high level, and the normally closed contact of the 3rd input termination C phase undervoltage relay of three input nand gates is to high level;
The input end of described not gate receives high level by the trip alarms normally closed contact of the isolating switch in electrical network;
An input end of described dual input or door receives the output terminal of three input nand gates, and another input end of dual input or door receives the output terminal of not gate;
Described first receives the output terminal of dual input or door with an input end of door, and first receives high level with another input end of door through main switch;
Described second receives the output terminal of first and door with an input end of door, and second receives high level with another input end of door through the alarm switch of audible alarm unit, and second receives the alerting signal receiving terminal of audible alarm unit with the output terminal of door;
Described 3rd receives the output terminal of first and door with an input end of door, and the 3rd receives high level with another input end of door through the alarm switch of light alarming device, and the 3rd receives the alerting signal receiving terminal of light alarming device with the output terminal of door;
Described 4th receives the output terminal of first and door with an input end of door, and the 4th receives high level with another input end of door through the alarm switch of GPS warning device, and the 4th receives the alerting signal receiving terminal of GPS warning device with the output terminal of door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520307083.9U CN204719164U (en) | 2015-05-13 | 2015-05-13 | Electrical network flash warning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520307083.9U CN204719164U (en) | 2015-05-13 | 2015-05-13 | Electrical network flash warning system |
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| CN204719164U true CN204719164U (en) | 2015-10-21 |
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| CN201520307083.9U Active CN204719164U (en) | 2015-05-13 | 2015-05-13 | Electrical network flash warning system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532632A (en) * | 2017-01-03 | 2017-03-22 | 石家庄旭新光电科技有限公司 | Flash capturing, early-warning and avoidance method of power grid and early-warning system |
| CN107947352A (en) * | 2017-12-28 | 2018-04-20 | 上海涵嘉电气设备有限公司 | A kind of strong cutting system of intelligent double-power |
| CN110824999A (en) * | 2019-11-29 | 2020-02-21 | 深圳市万物云科技有限公司 | Power grid flash alarm device and alarm method thereof |
-
2015
- 2015-05-13 CN CN201520307083.9U patent/CN204719164U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532632A (en) * | 2017-01-03 | 2017-03-22 | 石家庄旭新光电科技有限公司 | Flash capturing, early-warning and avoidance method of power grid and early-warning system |
| CN107947352A (en) * | 2017-12-28 | 2018-04-20 | 上海涵嘉电气设备有限公司 | A kind of strong cutting system of intelligent double-power |
| CN110824999A (en) * | 2019-11-29 | 2020-02-21 | 深圳市万物云科技有限公司 | Power grid flash alarm device and alarm method thereof |
| CN110824999B (en) * | 2019-11-29 | 2021-07-02 | 深圳市万物云科技有限公司 | Power grid flash alarm device and alarm method thereof |
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