CN202304943U - Cable channel water accumulation warning instrument for transformer substation - Google Patents
Cable channel water accumulation warning instrument for transformer substation Download PDFInfo
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- CN202304943U CN202304943U CN2011203484520U CN201120348452U CN202304943U CN 202304943 U CN202304943 U CN 202304943U CN 2011203484520 U CN2011203484520 U CN 2011203484520U CN 201120348452 U CN201120348452 U CN 201120348452U CN 202304943 U CN202304943 U CN 202304943U
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Abstract
The utility model discloses a cable channel water accumulation warning instrument and relates to the technical field of electric power production flood prevention. The cable channel water accumulation warning instrument comprises a detection control circuit, a warning circuit, a power supply circuit and a wireless emitter fuse-resistor (FSQ), wherein the detection control circuit consists of a detection circuit, an electric bridge circuit and a photoelectric coupling circuit, the detection circuit is connected with the warning circuit and the wireless emitter FSQ through the electric bridge circuit and the photoelectric coupling circuit, the electric bridge circuit and the photoelectric coupling circuit are connected with the output end of the power supply circuit, and the warning circuit is connected with the input end of the power supply circuit. The cable channel water accumulation warning instrument can solve the problem that the operators need to drive to the sites for checking the water discharge from several kilometers when the cable channel water accumulation of a transformer substation occurs. The work intensity of the operators is reduced, the cable channel water accumulation conditions of the transformer substation is provided for a flood protection command center, in addition, the conditions are transmitted to a flood protection command department by using the wireless transmission technology to realize automatic warning, water accumulated in cable channels is discharged, and the safe operation of the transformer substation in the flood period is realized.
Description
Technical field
The utility model relates to electrical production flood control technical field, relates in particular to a kind of transformer station cable trench water collecting alarm of transformer station's underground cable ditch, cable vault, cable shaft water inlet or ponding.
Background technology
At present, China's outdoor substation occupies the majority, and the big extreme weather of earth Changes in weather constantly took place in the last few years, and China's power system transformer substation has been realized unattended substation mostly.In the extreme weather in flood season, in the transformer station station and cable duct, cable vault, cable shaft can intake or ponding, lean on the artificial site inspection draining of outside several kilometers, driving; Because each transformer station's rainfall amount is different, cable trench water collecting can not in time be found to get rid of, or the self-draining arrangement draining in time of breaking down; Cause the secondary device insulation to descend; And bring than HD for substation operation personnel's work, even the operations staff will wait the wasting manpower and material resources at the scene to on-the-spot water vent.
Summary of the invention
Lean on artificial problem to the site inspection draining in order to solve cable trench water collecting, the utility model provides a kind of transformer station cable trench water collecting alarm.Can adapt to the flood control requirement of unattended substation, can be with the interior cable duct that reaches in transformer station station, the cable vault, cable shaft ponding information transmission is given operations staff and flood control headquarter, alleviates operations staff's burden.
In order to realize the purpose of foregoing invention, the utility model adopts following technical scheme:
A kind of cable trench water collecting alarm; Comprise: detect control circuit, warning circuit, power circuit, wireless launcher FSQ composition; Said detection control circuit is made up of testing circuit, bridge diagram and photoelectricity coupled circuit, and said testing circuit links to each other with wireless launcher FSQ with warning circuit with the photoelectricity coupled circuit through bridge diagram; Said bridge diagram, photoelectricity coupled circuit link to each other with power circuit output end, and said warning circuit links to each other with the power circuit input end.
A kind of cable trench water collecting alarm, said testing circuit is connected to form by sensor RT and bridge diagram,
A kind of cable trench water collecting alarm, said bridge diagram is connected to form by sensor RT and resistance R 3, resistance R 4, resistance R 5, and sensor RT is parallelly connected with resistance R 6.
A kind of cable trench water collecting alarm, said photoelectricity coupled circuit is made up of photoelectrical coupler LEDC and rectifier bridge heap UR; The input end of rectifier bridge heap UR links to each other with bridge diagram AB two ends, and the output terminal of rectifier bridge heap UR links to each other with the input end of photoelectrical coupler LEDC, and the output terminal of photoelectrical coupler LEDC links to each other with wireless launcher FSQ with warning circuit.
A kind of cable trench water collecting alarm, said warning circuit is connected to form through resistance R 2, capacitor C2 and the thyristor VS trigger end that is connected alarm HA by the output terminal of photoelectrical coupler LEDC.Alarm HA links to each other with the power circuit input end.
A kind of cable trench water collecting alarm, said sensor RT is a hygristor.
A kind of cable trench water collecting alarm, said power circuit is connected to form through reduction voltage circuit and commutation diode VD1, voltage stabilizing diode VD2 and the electrolytic capacitor filter C3 that capacitor C1, bleeder resistance R1 constitute by the power switch S1 that connects 220V.
Owing to adopt as above technical scheme, the utlity model has following superiority:
A kind of cable trench water collecting alarm; Can solve the unattended substation cable trench water collecting and lean on operations staff's site inspection draining of outside several kilometers, driving; Alleviate operations staff's labour intensity; For the flood control command center provides transformer station's cable trench water collecting situation, and can utilize Radio Transmission Technology to be sent to flood control headquarter warning and eliminating change cable trench water collecting automatically, realize transformer station's safe operation in flood season.
Figure of description
Fig. 1 is a kind of circuit diagram
of cable trench water collecting alarm.
Embodiment
As shown in Figure 1; A kind of cable trench water collecting alarm; Comprise: detect control circuit, warning circuit, power circuit, wireless launcher FSQ composition; Said detection control circuit is made up of testing circuit, bridge diagram and photoelectricity coupled circuit, and said testing circuit links to each other with wireless launcher FSQ with warning circuit with the photoelectricity coupled circuit through bridge diagram; Said bridge diagram, photoelectricity coupled circuit link to each other with power circuit output end, and said warning circuit links to each other with the power circuit input end.Said photoelectricity coupled circuit is made up of photoelectrical coupler LEDC and rectifier bridge heap UR; The input end of rectifier bridge heap UR links to each other with bridge diagram AB two ends, and the output terminal of rectifier bridge heap UR links to each other with the input end of photoelectrical coupler LEDC, and the output terminal of photoelectrical coupler LEDC links to each other with wireless launcher FSQ with warning circuit.Said power circuit is connected to form through reduction voltage circuit and commutation diode VD1, voltage stabilizing diode VD2 and the electrolytic capacitor filter C3 that capacitor C1, bleeder resistance R1 constitute by the power switch S1 that connects 220V.
Said testing circuit is connected to form by sensor RT and bridge diagram, and sensor RT is a hygristor.
Said bridge diagram is connected to form by sensor RT and resistance R 3, resistance R 4, resistance R 5, and sensor RT is parallelly connected with resistance R 6.
Said warning circuit is connected to form through resistance R 2, capacitor C2 and the thyristor VS trigger end that is connected alarm HA by the output terminal of photoelectrical coupler LEDC.Alarm HA links to each other with the power circuit input end.Said alarm HA can also link to each other with the draining circuit;
During work, sensor RT is arranged in the cable duct, energized switch S 1 alternating voltage 220V is through capacitor C 1 step-down, and VD1 rectification of commutator tube diode and voltage stabilizing diode VD2 voltage stabilizing provide+the 18V WV for detecting control circuit after the electrochemical capacitor C3 filtering.
When sensor RT did not contact with water, bridge diagram was in equilibrium state, and the voltage at bridge diagram AB two ends is 0V, and photoelectrical coupler LEDC and thyristor VS are in cut-off state, and alarm HA is sounding not.
When sensor RT contacted with water, resistance changed, the electric bridge out of trim.The voltage at bridge diagram AB two ends lights the inner light emitting diode of photoelectrical coupler LEDC after rectifier bridge heap UR rectification, and photistor is switched on, and triggers thyristor VS conducting, and alarm HA sends chimes of doom; Said alarm HA can also link to each other with the draining circuit, makes unwatering pump work; Simultaneously, wireless transmitter module FSQ has been connected in the inner photistor conducting of photoelectrical coupler LEDC again.Make the receiving instrument portable lamp in a distant place bright, loudspeaker ring, and cable trench water collecting information are provided for flood control headquarter and operations staff.
Claims (7)
1. cable trench water collecting alarm; It is characterized in that: comprising: detect control circuit, warning circuit, power circuit, wireless launcher FSQ composition; Said detection control circuit is made up of testing circuit, bridge diagram and photoelectricity coupled circuit, and said testing circuit links to each other with wireless launcher FSQ with warning circuit with the photoelectricity coupled circuit through bridge diagram; Said bridge diagram, photoelectricity coupled circuit link to each other with power circuit output end, and said warning circuit links to each other with the power circuit input end.
2. a kind of cable trench water collecting alarm according to claim 1, it is characterized in that: said testing circuit is connected to form by sensor RT and bridge diagram.
3. a kind of cable trench water collecting alarm according to claim 1 is characterized in that: said bridge diagram is connected to form by sensor RT and resistance R 3, resistance R 4, resistance R 5, and sensor RT is parallelly connected with resistance R 6.
4. a kind of cable trench water collecting alarm according to claim 1 is characterized in that: said photoelectricity coupled circuit is made up of photoelectrical coupler LEDC and rectifier bridge heap UR; The input end of rectifier bridge heap UR links to each other with bridge diagram AB two ends, and the output terminal of rectifier bridge heap UR links to each other with the input end of photoelectrical coupler LEDC, and the output terminal of photoelectrical coupler LEDC links to each other with wireless launcher FSQ with warning circuit.
5. a kind of cable trench water collecting alarm according to claim 1; It is characterized in that: said warning circuit is connected to form through resistance R 2, capacitor C2 and the thyristor VS trigger end that is connected alarm HA by the output terminal of photoelectrical coupler LEDC, and alarm HA links to each other with the power circuit input end.
6. a kind of cable trench water collecting alarm according to claim 2 is characterized in that: said sensor RT is a hygristor.
7. a kind of cable trench water collecting alarm according to claim 1 is characterized in that: said power circuit is connected to form through reduction voltage circuit and commutation diode VD1, voltage stabilizing diode VD2 and the electrolytic capacitor filter C3 that capacitor C1, bleeder resistance R1 constitute by the power switch S1 that connects 220V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203484520U CN202304943U (en) | 2011-09-17 | 2011-09-17 | Cable channel water accumulation warning instrument for transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203484520U CN202304943U (en) | 2011-09-17 | 2011-09-17 | Cable channel water accumulation warning instrument for transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202304943U true CN202304943U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203484520U Expired - Fee Related CN202304943U (en) | 2011-09-17 | 2011-09-17 | Cable channel water accumulation warning instrument for transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202304943U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487106A (en) * | 2013-09-25 | 2014-01-01 | 国家电网公司 | Cable tunnel water level real-time monitoring device |
| CN105043507A (en) * | 2015-05-30 | 2015-11-11 | 国网山东济南市历城区供电公司 | Cable trench water ingress alarm device |
| CN106289441A (en) * | 2016-10-30 | 2017-01-04 | 陈勇 | Electric wire connection water-tight device middle water level rises to the alarm device of point of safes under water |
-
2011
- 2011-09-17 CN CN2011203484520U patent/CN202304943U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487106A (en) * | 2013-09-25 | 2014-01-01 | 国家电网公司 | Cable tunnel water level real-time monitoring device |
| CN105043507A (en) * | 2015-05-30 | 2015-11-11 | 国网山东济南市历城区供电公司 | Cable trench water ingress alarm device |
| CN106289441A (en) * | 2016-10-30 | 2017-01-04 | 陈勇 | Electric wire connection water-tight device middle water level rises to the alarm device of point of safes under water |
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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: 20120704 Termination date: 20130917 |