CN220288816U - On-line detection monitoring device for transformer and distribution transformer - Google Patents
On-line detection monitoring device for transformer and distribution transformer Download PDFInfo
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- CN220288816U CN220288816U CN202321875170.5U CN202321875170U CN220288816U CN 220288816 U CN220288816 U CN 220288816U CN 202321875170 U CN202321875170 U CN 202321875170U CN 220288816 U CN220288816 U CN 220288816U
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- transformer
- heat dissipation
- oil tank
- fixed
- bottom groove
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- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 238000012806 monitoring device Methods 0.000 title claims abstract description 16
- 230000017525 heat dissipation Effects 0.000 claims abstract description 48
- 238000003756 stirring Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 230000001360 synchronised effect Effects 0.000 claims abstract description 10
- 239000000498 cooling water Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model is suitable for the technical field of transformers, and provides an online detection monitoring device for a transformer and distribution transformer, which comprises a transformer oil tank and a transformer, wherein a heat dissipation bottom groove is fixed at the bottom of the transformer oil tank, a hollow shaft penetrates through the heat dissipation bottom groove, and a spiral stirring blade is fixed on the outer circular surface of the hollow shaft; the top of the transformer oil tank is fixed with a synchronous motor, the output shaft end of the synchronous motor is fixed with a reciprocating screw rod, a fixed frame is arranged inside the transformer oil tank, the fixed frame is sleeved outside the transformer, and a plurality of temperature sensors are arranged on the fixed frame. According to the utility model, the temperature sensor is arranged on the fixed frame which is in transmission connection with the reciprocating screw rod, and the fixed frame drives the temperature sensor to move up and down under the drive of the reciprocating screw rod to perform real-time on-line detection and monitoring on the temperature in the transformer oil tank, so that the working environment condition of the transformer can be conveniently transmitted in time, the manual intervention is facilitated, and the normal work of the transformer is ensured.
Description
Technical Field
The utility model relates to the technical field of transformers, in particular to an online detection monitoring device for a transformer and distribution transformer.
Background
A distribution transformer is a stationary electrical device that is used to change an ac voltage (current) of a certain value to another voltage (current) of the same frequency or different values. When the primary winding is supplied with alternating current, alternating magnetic flux is generated, and alternating magnetic flux induces alternating electromotive force in the secondary winding through the magnetic conduction of the iron core. The secondary induced electromotive force is related to the number of turns of a secondary winding, namely, the voltage is proportional to the number of turns. The main function is to transmit electrical energy.
When the oil immersed transformer is used, the oil temperature inside the oil immersed transformer needs to be detected, so that the safety performance of the oil immersed transformer is improved, the oil immersed transformer cannot be manually detected after being opened during temperature measurement, the oil immersed transformer is neither scientific, time and labor are wasted, and large potential safety hazards exist. The existing detection device for measuring the temperature is mainly fixedly installed when in use, and only can detect the oil temperature around the installation position, but the temperature emitted by different parts of the oil immersed transformer is different when in use, so that the detection precision is poor by means of the temperature sensor at the fixed point, and the difference of the internal temperature of the oil immersed transformer oil tank cannot be reflected in time.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide an on-line detection monitoring device for a transformer and distribution transformer, wherein the temperature monitoring point is changed at moment.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to an online detection monitoring device for a transformer and distribution transformer, which comprises a transformer oil tank and a transformer fixed at the inner bottom of the transformer oil tank, wherein a heat dissipation bottom groove communicated with the inner cavity of the transformer oil tank is fixed at the bottom of the transformer oil tank, a hollow shaft penetrates through the heat dissipation bottom groove, and a section of outer circular surface of the hollow shaft positioned in the heat dissipation bottom groove is fixedly provided with a spiral stirring blade; the transformer oil tank top is fixed with synchronous motor, synchronous motor output shaft end runs through transformer oil tank top and is fixed with reciprocating screw, the inside fixed frame that is connected with reciprocating screw transmission that is provided with of transformer oil tank, fixed frame cover is established in the transformer outside and is installed a plurality of temperature sensor on the fixed frame.
As an optimal technical scheme of the utility model, a plurality of radiating strips are fixed on the outer surface of the transformer oil tank, an oil outlet notch communicated with a radiating bottom groove is formed in the bottom of the transformer oil tank, and a supporting foot is fixed at the bottom of the radiating bottom groove.
As a preferable technical scheme of the utility model, one end of the hollow shaft positioned outside the heat dissipation bottom groove is provided with a cooling water injection pipe, the other end of the hollow shaft positioned outside the heat dissipation bottom groove is fixed with a transmission gear, and the outer surface of the heat dissipation bottom groove is fixed with a plurality of heat dissipation fins; an oil drain pipe with a valve is fixed at the bottom of one end of the heat dissipation bottom groove.
As a preferable technical scheme of the utility model, the spiral stirring blade is a hollow blade, and the cavity inside the spiral stirring blade is communicated with the cavity of the hollow shaft.
As a preferable technical scheme of the utility model, the four corners of the fixed frame are fixed with internal thread sleeves matched with the reciprocating screw rod, and the fixed frame is provided with a plurality of oil passing through holes.
As an optimal technical scheme of the utility model, the heat dissipation bottom groove is fixed at the bottom of the transformer oil tank through bolts, and a sealing ring is arranged between the bottom of the transformer oil tank and the top of the heat dissipation bottom groove.
The utility model has the advantages that:
1. according to the utility model, the temperature sensor is arranged on the fixed frame which is in transmission connection with the reciprocating screw rod, and the fixed frame drives the temperature sensor to move up and down under the drive of the reciprocating screw rod to perform real-time on-line detection and monitoring on the temperature in the transformer oil tank, so that the working environment condition of the transformer can be conveniently transmitted in time, the manual intervention is facilitated, and the normal work of the transformer is ensured.
2. According to the utility model, the spiral stirring blade communicated with the hollow shaft is arranged, cooling water is input into the hollow shaft through the cooling water injection pipe, and the hollow shaft drives the spiral stirring blade to stir oil so as to improve the heat dissipation efficiency, and meanwhile, the exchange efficiency of high-temperature oil and cooling water is improved, so that the heat dissipation effect of oil in the transformer oil tank is further improved.
Drawings
Fig. 1 is a schematic structural diagram of an on-line detecting and monitoring device for a transformer and distribution transformer.
Fig. 2 is a schematic structural view of another view of the present utility model.
Fig. 3 is a schematic view of the bottom view of the present utility model.
Fig. 4 is a schematic cross-sectional view of the present utility model.
Fig. 5 is a schematic structural view of the heat dissipating strip, the oil outlet slot, and the support foot.
Fig. 6 is a schematic structural diagram of a heat dissipation bottom groove, a hollow shaft and a spiral stirring blade.
Fig. 7 is a schematic structural view of the hollow shaft, the propeller stirring blade and the transmission gear.
Fig. 8 is a schematic structural view of the fixing frame, the temperature sensor, the internal threaded sleeve and the oil passing through hole.
In the accompanying drawings: 1. a transformer oil tank; 2. a transformer; 3. a heat dissipation bottom groove; 4. a hollow shaft; 5. screw stirring blade; 6. a synchronous motor; 7. a reciprocating screw; 8. a fixed frame; 9. a temperature sensor; 10. a heat dissipation strip; 11. an oil outlet slot; 12. supporting feet; 13. cooling the water injection pipe; 14. a transmission gear; 15. an internally threaded sleeve; 16. an oil passing through hole; 17. a seal ring; 18. and an oil discharge pipe.
Detailed Description
It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.
In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.
First embodiment:
referring to fig. 1-8, the present utility model provides the following technical solutions:
the on-line detection monitoring device comprises a transformer oil tank 1 and a transformer 2 fixed at the inner bottom of the transformer oil tank 1, a heat dissipation bottom groove 3 communicated with the inner cavity of the transformer oil tank 1 is fixed at the bottom of the transformer oil tank 1, a hollow shaft 4 penetrates through the heat dissipation bottom groove 3, a transmission gear 14 is fixed at the other end of the hollow shaft 4 outside the heat dissipation bottom groove 3, and a spiral stirring blade 5 is fixed on an outer circular surface of one section of the hollow shaft 4 inside the heat dissipation bottom groove 3. A plurality of heat dissipation strips 10 are fixed on the outer surface of the transformer oil tank 1, an oil outlet notch 11 communicated with the heat dissipation bottom tank 3 is formed in the bottom of the transformer oil tank 1, and a supporting foot 12 is fixed at the bottom of the heat dissipation bottom tank 3.
The spiral stirring blade 5 is a hollow blade, and the cavity inside the spiral stirring blade 5 is communicated with the cavity inside the hollow shaft 4, so that the contact area between the spiral stirring blade and the liquid inside the heat dissipation bottom groove 3 is increased, the heat conduction efficiency of the oil is improved, and the heat dissipation effect of the oil inside the transformer oil tank 1 and the heat dissipation bottom groove 3 is improved.
The heat dissipation base tank 3 is fixed at the bottom of the transformer tank 1 through bolts, a sealing ring 17 is arranged between the bottom of the transformer tank 1 and the top of the heat dissipation base tank 3, the connection tightness between the heat dissipation base tank 3 and the transformer tank 1 is improved, and the leakage is avoided.
The working principle of the online detection monitoring device for the transformer and the distribution transformer provided by the utility model is as follows:
working principle: when the oil-temperature monitoring device works, the synchronous motors 6 synchronously rotate to drive the fixed frame 8 positioned in the transformer oil tank 1 to reciprocate up and down on the reciprocating screw rod 7, the temperature sensors 9 on the fixed frame 8 record the oil temperatures at different heights, real-time online detection and monitoring are carried out, and whether the hollow shaft 4 is started or not is judged according to the height and the difference of the oil temperatures; when the oil temperature difference is large or the oil temperature is too high, the hollow shaft 4 is driven to rotate under the action of the external motor, the hollow shaft 4 rotates to enable the spiral stirring blade 5 to stir the oil in the heat dissipation bottom groove 3 and the transformer oil tank 1, the fluidity of the oil is improved, and the heat dissipation effect on the oil is further improved.
Specific embodiment II:
on the basis of the first embodiment, the present embodiment is different in that:
as shown in fig. 1 and 4, the top of the transformer oil tank 1 is fixed with a synchronous motor 6, the output shaft end of the synchronous motor 6 penetrates through the top of the transformer oil tank 1 and is fixed with a reciprocating screw rod 7, a fixed frame 8 in transmission connection with the reciprocating screw rod 7 is arranged inside the transformer oil tank 1, the fixed frame 8 is sleeved outside the transformer 2, and a plurality of temperature sensors 9 are arranged on the fixed frame 8. The four corners of the fixed frame 8 are fixed with internal threaded sleeves 15 matched with the reciprocating screw rods 7, the fixed frame 8 is provided with a plurality of oil passing through holes 16, oil is stirred in the up-and-down reciprocating movement process of the fixed frame 8, and the fluidity of the oil in the fixed frame is improved.
Third embodiment:
on the basis of the second embodiment, the difference of this embodiment is that:
as shown in fig. 3 and 6, one end of the hollow shaft 4 outside the heat dissipation bottom groove 3 is provided with a cooling water injection pipe 13, the cooling water injection pipe 13 is injected into the hollow shaft 4, the contact area between cooling water and oil is increased in the hollow spiral stirring blade 5 guided into the hollow shaft 4, the heat dissipation effect on the oil is improved, a plurality of heat dissipation fins are fixed on the outer surface of the heat dissipation bottom groove 3, and the heat dissipation effect on the oil inside the heat dissipation bottom groove 3 is further improved.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (6)
1. The utility model provides a become distribution transformer on-line measuring monitoring device, includes transformer tank (1) and fixes transformer (2) of bottom in transformer tank (1), its characterized in that:
a heat dissipation bottom groove (3) communicated with the inner cavity of the transformer oil tank (1) is fixed at the bottom of the transformer oil tank (1), a hollow shaft (4) penetrates through the heat dissipation bottom groove (3), and a section of outer circular surface of the hollow shaft (4) positioned inside the heat dissipation bottom groove (3) is fixedly provided with a spiral stirring blade (5);
the transformer oil tank (1) top is fixed with synchronous motor (6), synchronous motor (6) output shaft end runs through transformer oil tank (1) top and is fixed with reciprocating screw (7), inside fixed frame (8) that are connected with reciprocating screw (7) transmission that are provided with of transformer oil tank (1), fixed frame (8) cover is established in transformer (2) outside and is installed a plurality of temperature sensor (9) on fixed frame (8).
2. The online detection and monitoring device for the transformer and the distribution transformer according to claim 1, wherein a plurality of radiating strips (10) are fixed on the outer surface of the transformer oil tank (1), an oil outlet notch (11) communicated with a radiating bottom groove (3) is formed in the bottom of the transformer oil tank (1), and a supporting foot (12) is fixed at the bottom of the radiating bottom groove (3).
3. The online detection and monitoring device for the transformer and the distribution transformer according to claim 1, wherein one end of the hollow shaft (4) positioned outside the heat dissipation bottom groove (3) is provided with a cooling water injection pipe (13), the other end of the hollow shaft (4) positioned outside the heat dissipation bottom groove (3) is fixedly provided with a transmission gear (14), the outer surface of the heat dissipation bottom groove (3) is fixedly provided with a plurality of heat dissipation fins, and one end bottom of the heat dissipation bottom groove (3) is fixedly provided with an oil drain pipe (18) with a valve.
4. The online detection and monitoring device for the transformer and the distribution transformer according to claim 1, wherein the spiral stirring blade (5) is a hollow blade, and an inner cavity of the spiral stirring blade (5) is communicated with an inner cavity of the hollow shaft (4).
5. The online detection and monitoring device for the transformer and the distribution transformer according to claim 1, wherein internally threaded sleeves (15) matched with the reciprocating screw rod (7) are fixed on four corners of the fixed frame (8), and a plurality of oil passing through holes (16) are formed in the fixed frame (8).
6. The online detection and monitoring device for the transformer and the distribution transformer according to claim 1, wherein the heat dissipation bottom groove (3) is fixed at the bottom of the transformer oil tank (1) through bolts, and a sealing ring (17) is arranged between the bottom of the transformer oil tank (1) and the top of the heat dissipation bottom groove (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321875170.5U CN220288816U (en) | 2023-07-17 | 2023-07-17 | On-line detection monitoring device for transformer and distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321875170.5U CN220288816U (en) | 2023-07-17 | 2023-07-17 | On-line detection monitoring device for transformer and distribution transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220288816U true CN220288816U (en) | 2024-01-02 |
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ID=89331110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321875170.5U Active CN220288816U (en) | 2023-07-17 | 2023-07-17 | On-line detection monitoring device for transformer and distribution transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220288816U (en) |
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2023
- 2023-07-17 CN CN202321875170.5U patent/CN220288816U/en active Active
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