CN104240911A - Intelligent water cooling system of main transformer - Google Patents
Intelligent water cooling system of main transformer Download PDFInfo
- Publication number
- CN104240911A CN104240911A CN201410457900.9A CN201410457900A CN104240911A CN 104240911 A CN104240911 A CN 104240911A CN 201410457900 A CN201410457900 A CN 201410457900A CN 104240911 A CN104240911 A CN 104240911A
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- main transformer
- water
- cooling water
- cooling
- transmission pipeline
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Abstract
The invention relates to an intelligent water cooling system of a main transformer. The water cooling system comprises the main transformer, wherein the periphery of the main transformer is provided with a water cooling system, the water cooling system comprises a cooling water conveying part and a cooling water conveying control part, the cooling water conveying part comprises a water storage tank, a conveying pipeline, a sprinkling device and a water collection tank, the water storage tank is used for storing cooling water, the water collection tank is used for recovering cooling water, and the cooling water conveying control part comprises a relay and an electromagnetic valve. When the main transformer reaches the preset temperature threshold value, the electromagnetic valve on the conveying pipeline is started, and then the conveying pipeline is conducted to enable the cooling water to flow through. When the temperature is lower than the preset temperature threshold value, the electromagnetic valve is closed. The water cooling system has the advantages that the main transformer can intelligently determine if the water cooling system is opened or not according to the self temperature; meanwhile, the sprinkling is performed from the top part of the main transformer when the main transformer is energized, so the cooling water is in full contact with the main transformer, the better cooling effect is realized, and all cooling water can be recycled and reutilized.
Description
Technical field
The present invention relates to power equipment and safeguard technical field of auxiliary equipment, particularly relate to the intelligent water-cooled system of a kind of main transformer.
Background technology
In current transformer station, main transformer falls oil temperature and mainly relies on air-cooled; but often there will be the situations such as high oil temperature at the transformer that air-cooling function etc. is degenerated to affect transformer and normally run; what often taked when temperature of oil in transformer is too high is all bottom main transformer, manually carry out water pouring reach to the object of main transformer cooling with this in the past; but such mode there is very large potential safety hazard and the water of spray can only cool at transformer bottom; do not reach good cooling effect; people's spray often needs one to two personal security's monitoring simultaneously, needs very large manpower and materials.
Summary of the invention
Technical problem to be solved by this invention is to provide the intelligent water-cooled system of a kind of main transformer, is provided with cooling water hop and cooling water transmission control section, intelligent realization cooling main transformer.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: the intelligent water-cooled system of a kind of main transformer, comprise main transformer, the high-pressure side oil temperature gauge for measuring temperature on main transformer and high internal resistance direct current relay is provided with in described main transformer, described main transformer is provided with water-cooling system, and described water-cooling system comprises for transmitting the cooling water hop that carries out spraying in cooling water to the top of described main transformer and for the conducting of controlled cooling model water hop or closed cooling water transmission control section;
Described cooling water hop, comprise the cistern, transmission pipeline, spray equipment and the water leg for reclaiming cooling water that store cooling water, the external described transmission pipeline of described cistern, described transmission pipeline extends to the top of main transformer from the bottom of described main transformer, and the side that described transmission pipeline extends to main transformer top is provided with described spray equipment; Described water leg is around being arranged in the bottom peripheral edge of described main transformer;
Described cooling water transmission control section, comprise relay and electromagnetically operated valve, described electromagnetically operated valve is arranged on the described transmission pipeline bottom main transformer, described relay and electromagnetically operated valve connect into loop, described relay connects described high-pressure side oil temperature gauge and described electromagnetically operated valve by wire, when the temperature of main transformer reaches the threshold temperature be preset in the oil temperature gauge of high-pressure side, then described relay is communicated with, control described electromagnetically operated valve adhesive by the connection of described relay to start, transmission pipeline described in conducting makes cooling water circulate, when temperature is lower than the threshold temperature preset, then described relay disconnects, control described electromagnetically operated valve by the disconnection of described relay and disconnect adhesive then closed described transmission pipeline.High-pressure side oil temperature gauge has two docking points (normal opened contact and normally closed contact), by wire, normal opened contact is connected in the loop of relay, when temperature reaches default threshold temperature, relay is then communicated with, thus described electromagnetically operated valve adhesive is started, transmission pipeline described in conducting makes cooling water circulate, when temperature is lower than the threshold temperature preset, relay then disconnects.The startup of electromagnetically operated valve and closedly to be controlled by relay, the contact avoiding high-pressure side oil temperature gauge is scaling loss because of short circuit.
The invention has the beneficial effects as follows: realize main transformer and whether open according to the next intelligentized decision water-cooling system of self oil temperature height, simultaneously water-cooling system achieve main transformer charged when spray from main transformer top, cooling water and main transformer are fully contacted and reaches good cooling effect, and cooling water can all recyclings.
On the basis of technique scheme, the present invention can also do following improvement.
Further, the threshold temperature be preset in described in the oil temperature gauge of high-pressure side is 65 DEG C.
Further, the position that described transmission pipeline is provided with described electromagnetically operated valve is also provided with lateral in parallel, and described lateral is connected with transmission pipeline by three-way pipeline connector, and described lateral is provided with manual lateral valve.
Adopt the beneficial effect of above-mentioned further scheme to be: when electromagnetically operated valve damages, be communicated with or closing transmission pipeline by lateral valve, achieve automatically and manually integration; Pipeline enclosure changes conveniently, does not need stringing again, only need turn on pipeline and replaceable, simple.
Further, described transmission pipeline is also provided with total pipeline valve, whole described transmission pipeline is opened or turned off to described total pipeline valve for manual.
Further, described spray equipment comprises spray apertures and the switch valve for opening or cut out spray apertures, and the spray orifice of described spray apertures down, is arranged from the direction of the top of described main transformer to bottom.
Further, also comprise blow-off line, described blow-off line is connected with described transmission pipeline by three-way pipeline connector, and described blow-off line is provided with blow-off line valve; When needs cleaning transmission pipeline, then open blow-off line valve, make cooling water circulation purge tube road inner.
The beneficial effect of above-mentioned further scheme is adopted to be: to be convenient to clear up pipeline, to prevent inner pipeline plug plug impurity.
Further, also comprise hydraulic pump, described hydraulic pump is connected with cistern, and the transmission that described hydraulic pump is cooling water provides pressure.
Further, described water leg is trench structure, and the outside of described water leg is provided with drainage pipeline, and described drainage pipeline is connected with described cistern.
Further, the upper end of described spray equipment is also provided with the gathering sill for anti-cooling water projection, covers be provided with capillary groove in described transmission pipeline periphery.
The beneficial effect of above-mentioned further scheme is adopted to be: cooling water around spray when the gathering sill above water pipe is the explosion of anti-antipriming pipe and the discharge fault that causes; Capillary groove prevents the seepage of water pipe and affects the normal operation of other electric equipments of main transformer.
Further, also comprise and control the startup of whole water-cooling system and the electric device of closedown.
The beneficial effect of above-mentioned further scheme is adopted to be: the electric device of water cooling plant is newly-increased, separate with the electric device of main transformer, does not affect the original various functions of main transformer.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of embodiment of the present invention relay part;
Fig. 2 is the circuit theory diagrams of embodiment of the present invention electromagnetically operated valve part;
Fig. 3 is the structural representation of lateral of the present invention;
Fig. 4 is the structural representation of blow-off line of the present invention;
Fig. 5 is the structural representation of spray apertures of the present invention and gathering sill;
Fig. 6 is the structural representation of capillary groove of the present invention.
In accompanying drawing, the component names representated by each mark is as follows:
1, electromagnetically operated valve, 2, three-way pipeline connector, 3, lateral valve, 4, total pipeline valve, 5, blow-off line, 6, blow-off line valve, 7, spray apertures, 8, gathering sill, 9, capillary groove.
Embodiment
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
The intelligent water-cooled system of a kind of main transformer, comprise main transformer, the high-pressure side oil temperature gauge for measuring temperature on main transformer and high internal resistance direct current relay is provided with in described main transformer, described main transformer is provided with water-cooling system, and described water-cooling system comprises for transmitting the cooling water hop that carries out spraying in cooling water to the top of described main transformer and for the conducting of controlled cooling model water hop or closed cooling water transmission control section;
Described cooling water hop, comprise the cistern, transmission pipeline, spray equipment and the water leg for reclaiming cooling water that store cooling water, the external described transmission pipeline of described cistern, described transmission pipeline extends to the top of main transformer from the bottom of described main transformer, and the side that described transmission pipeline extends to main transformer top is provided with described spray equipment; Described water leg is around being arranged in the bottom peripheral edge of described main transformer;
Described cooling water transmission control section, comprise relay and electromagnetically operated valve, described electromagnetically operated valve is arranged on the described transmission pipeline bottom main transformer, described relay and electromagnetically operated valve are serially connected in loop, described relay connects described high-pressure side oil temperature gauge and described electromagnetically operated valve by wire, when the temperature of main transformer reaches the threshold temperature be preset in the oil temperature gauge of high-pressure side, then described relay is communicated with, control described electromagnetically operated valve adhesive by the connection of described relay to start, transmission pipeline described in conducting makes cooling water circulate, when temperature is lower than the threshold temperature preset, then described relay disconnects, control described electromagnetically operated valve by the disconnection of described relay and disconnect adhesive then closed described transmission pipeline.High-pressure side oil temperature gauge has two docking points (normal opened contact and normally closed contact), by wire, normal opened contact is connected in the loop of relay, when temperature reaches default threshold temperature, relay is then communicated with, thus described electromagnetically operated valve adhesive is started, transmission pipeline described in conducting makes cooling water circulate, when temperature is lower than the threshold temperature preset, relay then disconnects.The startup of electromagnetically operated valve and closedly to be controlled by relay, the contact avoiding high-pressure side oil temperature gauge is scaling loss because of short circuit.
As shown in Figure 1, two DK1 switches close, and connect DC power supply, and when the temperature of high-pressure side oil temperature gauge reaches default threshold temperature, GW switch closes, then turn-on relay ZJ;
As shown in Figure 2, two DK2 switches close, and when after relay ZJ conducting, then electromagnetically operated valve YV adhesive starts, then transmission pipeline described in conducting makes cooling water circulate.
The described threshold temperature be preset in the oil temperature gauge of high-pressure side is 65 DEG C.
As shown in Figure 3, the position that described transmission pipeline is provided with described electromagnetically operated valve 1 is also provided with lateral in parallel, and described lateral is connected with transmission pipeline by three-way pipeline connector 2, and described lateral is provided with manual lateral valve 3.
Described transmission pipeline is also provided with total pipeline valve 4, and whole described transmission pipeline is opened or turned off to described total pipeline valve for manual.
As shown in Figure 5, described spray equipment comprises spray apertures 7 and the switch valve for opening or cut out spray apertures 7, and the spray orifice of described spray apertures 7 down, is arranged from the direction of the top of described main transformer to bottom.The diameter of described spray apertures can be set to 5mm.
As shown in Figure 4, also comprise blow-off line 5, described blow-off line is connected with described transmission pipeline by three-way pipeline connector 2, and described blow-off line is provided with blow-off line valve 6; When needs cleaning transmission pipeline, then open blow-off line valve, make cooling water circulation purge tube road inner.
Also comprise hydraulic pump, described hydraulic pump is connected with cistern, and the transmission that described hydraulic pump is cooling water provides pressure.
Described water leg is trench structure, and the outside of described water leg is provided with drainage pipeline, and described drainage pipeline is connected with described cistern.
As shown in Figure 5, Figure 6, the upper end of described spray equipment is also provided with the gathering sill 8 for anti-cooling water projection, covers be provided with capillary groove 9 in described transmission pipeline periphery.
Also comprise and control the startup of whole water-cooling system and the electric device of closedown.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the intelligent water-cooled system of main transformer, comprise main transformer, the high-pressure side oil temperature gauge for measuring temperature on main transformer is provided with in described main transformer, it is characterized in that, described main transformer is provided with water-cooling system, and described water-cooling system comprises for transmitting the cooling water hop that carries out spraying in cooling water to the top of described main transformer and for the conducting of controlled cooling model water hop or closed cooling water transmission control section;
Described cooling water hop, comprise the cistern, transmission pipeline, spray equipment and the water leg for reclaiming cooling water that store cooling water, the external described transmission pipeline of described cistern, described transmission pipeline extends to the top of main transformer from the bottom of described main transformer, and the side that described transmission pipeline extends to main transformer top is provided with described spray equipment; Described water leg is around being arranged in the bottom peripheral edge of described main transformer;
Described cooling water transmission control section, comprise relay and electromagnetically operated valve, described electromagnetically operated valve is arranged on the described transmission pipeline bottom main transformer, described relay connects described high-pressure side oil temperature gauge and described electromagnetically operated valve by wire, when the temperature of main transformer reaches the threshold temperature be preset in the oil temperature gauge of high-pressure side, then described relay is communicated with, control described electromagnetically operated valve adhesive by the connection of described relay to start, transmission pipeline described in conducting makes cooling water circulate, when the temperature of main transformer is lower than the threshold temperature be preset in the oil temperature gauge of high-pressure side, then described relay disconnects, control described electromagnetically operated valve by the disconnection of described relay and disconnect adhesive then closed described transmission pipeline.
2. the intelligent water-cooled system of a kind of main transformer according to claim 1, is characterized in that, described in the threshold temperature be preset in the oil temperature gauge of high-pressure side be 65 DEG C.
3. the intelligent water-cooled system of a kind of main transformer according to claim 1, it is characterized in that, the position that described transmission pipeline is provided with described electromagnetically operated valve is also provided with lateral in parallel, described lateral is connected with transmission pipeline by three-way pipeline connector, and described lateral is provided with manual lateral valve.
4. the intelligent water-cooled system of a kind of main transformer according to claim 1, is characterized in that, described transmission pipeline is also provided with total pipeline valve, and whole described transmission pipeline is opened or turned off to described total pipeline valve for manual.
5. the intelligent water-cooled system of a kind of main transformer according to claim 1, it is characterized in that, described spray equipment comprises spray apertures and the switch valve for opening or cut out spray apertures, and the spray orifice of described spray apertures down, is arranged from the direction of the top of described main transformer to bottom.
6. the intelligent water-cooled system of a kind of main transformer according to claim 5, is characterized in that, also comprise blow-off line, and described blow-off line is connected with described transmission pipeline by three-way pipeline connector, and described blow-off line is provided with blow-off line valve.
7. the intelligent water-cooled system of a kind of main transformer according to claim 1, it is characterized in that, also comprise hydraulic pump, described hydraulic pump is connected with cistern, and the transmission that described hydraulic pump is cooling water provides pressure.
8. the intelligent water-cooled system of a kind of main transformer according to claim 1, is characterized in that, described water leg is trench structure, and the outside of described water leg is provided with drainage pipeline, and described drainage pipeline is connected with described cistern.
9. the intelligent water-cooled system of a kind of main transformer according to any one of claim 1 to 8, is characterized in that, the upper end of described spray equipment is also provided with the gathering sill for anti-cooling water projection, covers be provided with capillary groove in described transmission pipeline periphery.
10. the intelligent water-cooled system of a kind of main transformer according to any one of claim 1 to 8, is characterized in that, also comprises and controls the startup of whole water-cooling system and the electric device of closedown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410457900.9A CN104240911A (en) | 2014-09-10 | 2014-09-10 | Intelligent water cooling system of main transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410457900.9A CN104240911A (en) | 2014-09-10 | 2014-09-10 | Intelligent water cooling system of main transformer |
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| Publication Number | Publication Date |
|---|---|
| CN104240911A true CN104240911A (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410457900.9A Pending CN104240911A (en) | 2014-09-10 | 2014-09-10 | Intelligent water cooling system of main transformer |
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Application publication date: 20141224 |
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