CN208706389U - A kind of automatic oil changing device of distribution transformer and the automatic oil change system of distribution transformer - Google Patents
A kind of automatic oil changing device of distribution transformer and the automatic oil change system of distribution transformer Download PDFInfo
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- CN208706389U CN208706389U CN201821406602.7U CN201821406602U CN208706389U CN 208706389 U CN208706389 U CN 208706389U CN 201821406602 U CN201821406602 U CN 201821406602U CN 208706389 U CN208706389 U CN 208706389U
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Abstract
A kind of automatic oil changing device of distribution transformer and the automatic oil change system of distribution transformer, including oil pump, vacuumizing assembly, filter assemblies, control assembly, holding part, connector and distribution transformer, vacuumizing assembly includes vacuum pump and vacuum oil storage tank, control assembly includes the first valve, second valve, third valve, 4th valve and the 5th valve, connector includes connecting tube, first valve, holding part, second valve, vacuum oil storage tank, third valve, oil pump, 4th valve and distribution transformer are sequentially connected by connecting tube, first valve connects distribution transformer far from one end of holding part, form the first circuit, vacuum pump, 5th valve and vacuum oil storage tank are sequentially connected by connecting tube, first circuit further includes filter assemblies, filter assemblies are arranged on the first circuit, it can be in the state of not having a power failure, realization changes oil to the insulating oil in transformer , repairing, the operation of oil strain.
Description
Technical field
The utility model relates to transformer parts field, change oil automatically dress in particular to a kind of distribution transformer
It sets and the automatic oil change system of distribution transformer.
Background technique
Alternating voltage and electric current are converted according to the law of electromagnetic induction and transmit alternating current in distribution transformer assignment electric system
A kind of static electric appliance of energy, for distribution transformer using installation on column or outdoor landing installation, distribution transformer, which uses, fills insulating oil
Mode insulate to Inside coil.
Inventor has found under study for action, and distribution transformer process of changing oil at least has the disadvantage in that
1. insulating oil, under the action of heat, electric field, oil is contacted with oxygen to be gradually oxidized, and insoluble colloid is formed, reduce
The insulation performance of distribution transformer；
2. insulating oil itself can expand with heat and contract with cold with temperature change, when winter, requires supplementation with SI semi-insulation oil, when summer
Need to discharge the insulating oil of expansion；
It is operated 3. the oiling of distribution transformer now, work of draining the oil need staff to rise to transformer top,
This not only needs to stop transformer work, also causes damages to manpower, financial resources.
Utility model content
The purpose of this utility model is to provide a kind of automatic oil changing devices of distribution transformer, can be in the shape not having a power failure
Under state, realization changed oil to the insulating oil in transformer, repairing, oil strain, liberate labour, reduce the work of service personnel
Amount saves the cost of overhaul, reduces security risk, preferably ensures the reliability of distribution transformer, reduce frequency of power cut, is promoted and used
Electricity experience.
The another object of the utility model is to provide a kind of automatic oil change system of distribution transformer comprising above-mentioned matches
The automatic oil changing device of piezoelectric transformer can be realized in the state of not having a power failure and be changed oil, be mended to the insulating oil in transformer
The operation of oil, oil strain.
The embodiments of the present invention are achieved through the following technical solutions:
A kind of automatic oil changing device of distribution transformer, including oil pump, vacuumizing assembly, filter assemblies, control assembly, holding
Part, connector and distribution transformer, vacuumizing assembly include vacuum pump and vacuum oil storage tank, and control assembly includes the first valve, the
Two valves, third valve, the 4th valve and the 5th valve, connector include connecting tube, the first valve, holding part, the second valve, vacuum oil storage tank,
Third valve, oil pump, the 4th valve and distribution transformer are sequentially connected by connecting tube, and the first valve is matched far from one end connection of holding part
Piezoelectric transformer forms the first circuit, and vacuum pump, the 5th valve and vacuum oil storage tank are sequentially connected by connecting tube, and the first circuit is also
Including filter assemblies, filter assemblies are arranged on the first circuit.
Inventors have found that insulating oil, under the action of heat, electric field, oil is contacted with oxygen to be gradually oxidized, formed insoluble
Colloid, reduces the insulation performance of distribution transformer, and insulating oil itself can expand with heat and contract with cold with temperature change, and when winter needs to mend
SI semi-insulation oil is filled, needs to discharge the insulating oil of expansion when summer, the oiling of distribution transformer now, work of draining the oil need work
Personnel rise to transformer top and operate, this not only needs to stop transformer work, also cause loss to manpower, financial resources.
Inventor has invented a kind of automatic oil changing device of distribution transformer accordingly, can be real in the state of not having a power failure
It is now changed oil to the insulating oil in transformer, repairing, oil strain, has liberated labour, reduce the workload of service personnel, saved
The cost of overhaul reduces security risk, preferably ensures the reliability of distribution transformer, reduces frequency of power cut, promotes electricity consumption experience.
To sum up, the automatic oil changing device of such distribution transformer can be realized in the state of not having a power failure in transformer
Insulating oil changed oil, repairing, the operation of oil strain, reduces security risk, increases economic benefit.
Further, filter assemblies include the first filtration members, the second filtration members and third filtration members；
First valve, the first filtration members, the second filtration members and holding part are sequentially connected；
Third filtration members are set between the second valve and vacuum oil storage tank and are connected by connecting tube.
Further, the first filtration members are coarse filter；
Second filtration members and third filtration members are fine filter.
Further, vacuum oil storage tank is provided with vacuum degree instrument and oil level sight window.
Further, control assembly further includes the 6th valve；
6th valve one end is connect with vacuum oil storage tank；
6th valve is connect far from one end of vacuum oil storage tank with oil pump.
Further, connector further includes tee tube；
Oil pump, the 4th valve and the 6th valve are connected by tee tube.
It further, further include PLC control unit；
PLC control unit is connect with control assembly, oil pump and vacuum pump.
It further, further include force piece；
Force piece is connect with oil pump and vacuum pump.
Further, force piece includes motor.
A kind of automatic oil change system of distribution transformer, including the automatic oil changing device of any of the above item distribution transformer.
The technical solution of the utility model embodiment is at least had the following advantages and beneficial effects:
1. the setting in the first circuit can change oil automatically to distribution transformer, the high transformer oil of quality is replaced into distribution
The rotten oil liquid of transformer；
2. being influenced by expanding with heat and contract with cold, repairing process can be carried out to distribution transformer, guaranteed inside distribution transformer
It insulate all right；
3. can be filtered and vacuum pumping after the hydraulic oil outflow of distribution transformer endoplasm quantitative change difference, by it is excellent
Change, repeated application.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 provides the first structure diagram of the automatic oil changing device of distribution transformer for the utility model embodiment；
Fig. 2 provides the second structural schematic diagram of the automatic oil changing device of distribution transformer for the utility model embodiment；
Fig. 3 provides the third structural schematic diagram of the automatic oil changing device of distribution transformer for the utility model embodiment；
Fig. 4 provides the 4th structural schematic diagram of the automatic oil changing device of distribution transformer for the utility model embodiment；
Fig. 5 provides the 5th structural schematic diagram of the automatic oil changing device of distribution transformer for the utility model embodiment.
Icon:
The automatic oil changing device of 10- distribution transformer；100- oil pump；200- vacuumizing assembly；220- vacuum pump；240- vacuum
Oil storage tank；242- vacuum degree instrument；244- oil level sight window；300- filter assemblies；The first filtration members of 320-；The second filtration members of 340-；
360- third filtration members；400- control assembly；The first valve of 410-；The second valve of 420-；430- third valve；The 4th valve of 440-；450-
5th valve；The 6th valve of 460-；500- holding part；600- connector；620- connecting tube；640- tee tube；700- distribution transformer；
The first circuit 720-；800-PLC control unit；900- force piece；920- motor；The automatic oil change system of 20- distribution transformer.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that if there is term " first ", " second ", " third " etc. only
It is described for distinguishing, is not understood to indicate or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, if there is art
Language " setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachable
Connection, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, centre can also be passed through
Medium is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Embodiment 1
Incorporated by reference to referring to figs. 1 to Fig. 4, Fig. 1 to Fig. 4 is that a kind of distribution transformer provided by the embodiment of the utility model is automatic
The structural schematic diagram of oil changing device 10.As can be seen from Figure 1 a kind of automatic oil changing device 10 of distribution transformer includes oil pump
100, vacuumizing assembly 200, filter assemblies 300, control assembly 400, holding part 500, connector 600 and distribution transformer 700.
Further, vacuumizing assembly 200 includes vacuum pump 220 and vacuum oil storage tank 240, and control assembly 400 includes the
One valve 410, the second valve 420, third valve 430, the 4th valve 440 and the 5th valve 450, connector 600 include connecting tube 620, first
Valve 410, holding part 500, the second valve 420, vacuum oil storage tank 240, third valve 430, oil pump 100, the 4th valve 440 and distribution transformer
Device 700 is sequentially connected by connecting tube 620, and the first valve 410 connects distribution transformer 700, composition far from one end of holding part 500
First circuit 720, vacuum pump 220, the 5th valve 450 and vacuum oil storage tank 240 are sequentially connected by connecting tube 620, the first circuit
720 further include filter assemblies 300, and filter assemblies 300 are arranged on the first circuit 720.
Inventors have found that insulating oil, under the action of heat, electric field, oil is contacted with oxygen to be gradually oxidized, formed insoluble
Colloid, reduces the insulation performance of distribution transformer 700, and insulating oil itself can expand with heat and contract with cold with temperature change, need when winter
SI semi-insulation oil is supplemented, needs to discharge the insulating oil of expansion, the oiling of distribution transformer 700 now, work of draining the oil when summer
It needs staff's liter to set transformer top to operate, this not only needs to stop transformer work, also causes manpower, financial resources
Loss.
The first circuit 720 referring to figure 4., when the first circuit 720, which works, circulates, the first valve 410, the second valve 420, the
Three valves 430 and the 4th valve 440 are in the open state, and the 5th valve 450 and the 6th valve 460 are in close state, and oil pump 100 works,
Vacuum pump 220 does not work, the operation changed oil with repairing.
Further, filter assemblies 300 include the first filtration members 320, the second filtration members 340 and third filtration members 360, the
One valve 410, the first filtration members 320, the second filtration members 340 and holding part 500 are sequentially connected, and third filtration members 360 are set to
It is connected between two valves 420 and vacuum oil storage tank 240 and by connecting tube 620.
Further, the first filtration members 320 are coarse filter, and the second filtration members 340 and third filtration members 360 are fine filter.
When insulating oil from distribution transformer 700 flow out, flow through the first valve 410, the first filtration members 320, the second filtration members
340, when flowing into holding part 500, insulating oil is before this by the filtration of the first filtration members 320 for coarse filter, in centrifugal force
Under the action of impurity screening molecule further remove impurity point using the filtration of the second filtration members 340 for fine filter
Son.
When the insulating oil of holding part 500 flows out, inflow vacuum oil storage tank 240, the second valve 420 is in the open state at this time,
Insulating oil can better ensure that the quality of insulating oil using the further filtering of third filtration members 360.
Further, vacuum oil storage tank 240 is provided with vacuum degree instrument 242 and oil level sight window 244.Vacuum degree instrument 242 is used
To the detection of vacuum degree and feedback in vacuum, it can guarantee that the automatic oil changing device 10 of distribution transformer 700 is changed oil, mended
The effect of oil.And being provided with for oily window position is conducive to directly observe the amount that insulating oil is injected in vacuum oil storage tank 240, facilitates intuitive
Ground controls the process changed oil.
Further, control assembly 400 further includes the 6th valve 460, and 460 one end of the 6th valve is connect with vacuum oil storage tank 240,
The one end of 6th valve 460 far from vacuum oil storage tank 240 is connect with oil pump 100.
Further, connector 600 further includes tee tube 640, and oil pump 100, the 4th valve 440 and the 6th valve 460 pass through three
Siphunculus 640 connects.
When the 4th valve 440 is in close state, third valve 430 and the 6th valve 460 are in the open state, vacuum oil storage tank
240, a small circuit is formd between oil pump 100, it can be during vacuumizing, by vacuum oil storage tank 240 far from true
The oil circulation of the part of sky pump 220 and 240 junction of vacuum oil storage tank can be improved vacuumizing effect and effect to more nearby
Rate can be completed to vacuumize this process faster.
It further, further include PLC control unit 800, PLC control unit 800 and control assembly 400, oil pump 100 and true
220 connection of sky pump.
By the way that PLC control unit 800, output instruction signal, to control control assembly 400, oil pump 100 and vacuum pump is arranged
220 working condition realizes Electromechanical Design, realizes the function of automatic control, simplify the repairing process of equipment, operates
It is convenient.
It further, further include force piece 900, force piece 900 is connect with oil pump 100 and vacuum pump 220.
Further, force piece 900 includes motor 920.Force piece 900 provides power to oil pump 100 and vacuum pump 220,
So that device reach change oil, the function of repairing and oil strain.
The automatic oil changing device 10 of the distribution transformer of the present embodiment of the utility model at least has the advantages that
1, can in the state of not having a power failure, realize changed oil to the insulating oil in distribution transformer 700, repairing, oil strain
Operation, live line oil make-up reduces equipment stoppage in transit number and idle time, improves power supply reliability；
2, oil replenishing process vacuum degree real-time monitoring prevents air from entering equipment with oil, solves traditional oil supplement method institute band
The problem of adsorbing air inside the equipment come and leading to false oil level because of residual air；
3,700 oil replenishing process of distribution transformer does not have a power failure, and improves equipment operating efficiency and production safety coefficient, reduces
Staff labor intensity and maintenance operation cost；
4, the old oil changed after changing oil can be filtered function and vacuumizing function, and formation meets the new of transformer oil requirement
Oil.
Embodiment 2
Incorporated by reference to referring to figs. 1 to Fig. 5, Fig. 1 to Fig. 5 is automatic for a kind of distribution transformer provided by the embodiment of the utility model
The structural schematic diagram of oil change system 20, the automatic oil change system 20 of distribution transformer provided by the embodiment of the utility model, including reality
Apply the automatic oil changing device 10 of any one of example 1 distribution transformer.
The specific embodiment for present embodiments providing a kind of automatic oil change system 20 of distribution transformer, incorporated by reference to referring to figure
1 to Fig. 5.
Referring to figs. 1 to Fig. 3,240 advancer of vacuum oil storage tank meets the oil liquid of transformer oil requirement, carries out repairing process,
The oil liquid of vacuum oil storage tank 240 flows into distribution transformer 700, and contaminated oil stream enters device.At this point, the first valve 410, third
Valve 430 and the 4th valve 440 are in the open state, and the second valve 420, the 5th valve 450 and the 6th valve 460 are in close state, oil pump
100 work, vacuum pump 220 do not work.In this process, the oil liquid that distribution transformer 700 flows out passes through the first filtration members 320
With the filtration of the second filtration members 340.
Referring to Fig. 4, oil liquid need to be transferred to vacuum oil storage tank 240 and carried out by holding part 500 because flowing into contaminated oil liquid
Oil storage operation.It is as follows to control situation for PLC control unit 800 at this time: the second valve 420 is in the open state, the not work of vacuum pump 220
Make, other valves are in close state, and oil pump 100 does not work.Filtering of the contaminated oil liquid again through third filtration members 360
Effect completes oil storage process into vacuum oil storage tank 240.
Referring to figure 4. and Fig. 5, it needs to vacuumize and circulate operation, it is as follows to control situation for PLC control unit 800 at this time: the
Three valves 430, the 5th valve 450 and the 6th valve 460 are in the open state, other valves are in close state, and oil pump 100 works, vacuum
220 work of pump.The vacuumize process that vacuum pump 220 carries out the oil liquid in vacuum oil storage tank 240, can carry out certain journey for oil liquid
Being applied multiple times on degree saves cost and resource.In circulate operation, oil liquid is from vacuum oil storage tank 240 into third valve 430 excessively, oil
The 100, the 6th valve 460 is pumped, vacuum oil storage tank 240 is flowed back to, circulation loop is formed, can store up vacuum during vacuumizing
Oil circulation of the oil tank 240 far from vacuum pump 220 and the part of 240 junction of vacuum oil storage tank is to more nearby, can be improved pumping
Vacuum effectiveness and efficiency can be completed to vacuumize this process faster.
The specific embodiment of the automatic oil change system 20 of distribution transformer provided in this embodiment, can be in the state not having a power failure
Under, realization changes oil to the insulating oil in distribution transformer 700, repairing, the operation of oil strain, and oil replenishing process vacuum degree supervises in real time
It surveys, prevents air from entering equipment with oil, solve and adsorb air inside equipment brought by traditional oil supplement method and because residual is empty
Conductance causes the problem of false oil level, and live line oil make-up reduces equipment stoppage in transit number and idle time, improves power supply reliability, the person of reducing
Work labor intensity and maintenance operation cost, the old oil changed after changing oil can form and meet into filtering function and vacuumizing function is crossed
The fresh oil that transformer oil requires.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of automatic oil changing device of distribution transformer, it is characterised in that:
Including oil pump, vacuumizing assembly, filter assemblies, control assembly, holding part, connector and distribution transformer；
The vacuumizing assembly includes vacuum pump and vacuum oil storage tank, and the control assembly includes the first valve, the second valve, third
Valve, the 4th valve and the 5th valve, the connector include connecting tube；
It is first valve, the holding part, second valve, the vacuum oil storage tank, the third valve, the oil pump, described
4th valve and the distribution transformer are sequentially connected by the connecting tube, and first valve connects far from one end of the holding part
The distribution transformer is connect, the first circuit is formed；
The vacuum pump, the 5th valve and the vacuum oil storage tank are sequentially connected by the connecting tube；
First circuit further includes the filter assemblies, and the filter assemblies are arranged on first circuit.
2. the automatic oil changing device of distribution transformer according to claim 1, it is characterised in that:
The filter assemblies include the first filtration members, the second filtration members and third filtration members；
First valve, first filtration members, second filtration members and the holding part are sequentially connected；
The third filtration members are set between second valve and the vacuum oil storage tank and are connected by the connecting tube.
3. the automatic oil changing device of distribution transformer according to claim 2, it is characterised in that:
First filtration members are coarse filter；
Second filtration members and the third filtration members are fine filter.
4. the automatic oil changing device of distribution transformer according to claim 1, it is characterised in that:
The vacuum oil storage tank is provided with vacuum degree instrument and oil level sight window.
5. the automatic oil changing device of distribution transformer according to claim 1, it is characterised in that:
The control assembly further includes the 6th valve；
Described 6th valve one end is connect with the vacuum oil storage tank；
6th valve is connect far from one end of the vacuum oil storage tank with the oil pump.
6. the automatic oil changing device of distribution transformer according to claim 5, it is characterised in that: the connector further includes three
Siphunculus；
The oil pump, the 4th valve are connected with the 6th valve by the tee tube.
7. the automatic oil changing device of distribution transformer according to claim 1, it is characterised in that:
It further include PLC control unit；
The PLC control unit is connect with the control assembly, the oil pump and the vacuum pump.
8. the automatic oil changing device of distribution transformer according to claim 1, it is characterised in that:
It further include force piece；
The force piece is connect with the oil pump and the vacuum pump.
9. the automatic oil changing device of distribution transformer according to claim 8, it is characterised in that:
The force piece includes motor.
10. a kind of automatic oil change system of distribution transformer, it is characterised in that: including distribution described in any one of claim 1-9
The automatic oil changing device of transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821406602.7U CN208706389U (en) | 2018-08-28 | 2018-08-28 | A kind of automatic oil changing device of distribution transformer and the automatic oil change system of distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821406602.7U CN208706389U (en) | 2018-08-28 | 2018-08-28 | A kind of automatic oil changing device of distribution transformer and the automatic oil change system of distribution transformer |
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| Publication Number | Publication Date |
|---|---|
| CN208706389U true CN208706389U (en) | 2019-04-05 |
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ID=65945392
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821406602.7U Active CN208706389U (en) | 2018-08-28 | 2018-08-28 | A kind of automatic oil changing device of distribution transformer and the automatic oil change system of distribution transformer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111063519A (en) * | 2019-11-25 | 2020-04-24 | 广西电网有限责任公司柳州供电局 | Oil changing device applied to oilpaper capacitive type sleeve |
| CN114054863A (en) * | 2020-08-04 | 2022-02-18 | 上海汽车变速器有限公司 | Oil replacing and checking method for gear honing clamp |
-
2018
- 2018-08-28 CN CN201821406602.7U patent/CN208706389U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111063519A (en) * | 2019-11-25 | 2020-04-24 | 广西电网有限责任公司柳州供电局 | Oil changing device applied to oilpaper capacitive type sleeve |
| CN114054863A (en) * | 2020-08-04 | 2022-02-18 | 上海汽车变速器有限公司 | Oil replacing and checking method for gear honing clamp |
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