CN211652866U - Mutual inductor micro-water monitoring assembly - Google Patents
Mutual inductor micro-water monitoring assembly Download PDFInfo
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- CN211652866U CN211652866U CN202020136472.0U CN202020136472U CN211652866U CN 211652866 U CN211652866 U CN 211652866U CN 202020136472 U CN202020136472 U CN 202020136472U CN 211652866 U CN211652866 U CN 211652866U
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- valve body
- oil
- fuel outlet
- oil injection
- monitoring assembly
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Abstract
The utility model belongs to the technical field of the mutual-inductor, specifically a little water monitoring assembly of mutual-inductor, including the three-way valve body, first notes fuel outlet valve and oiling joint, first notes fuel outlet valve sets up in the ascending notes fuel outlet passageway of the vertical side of three-way valve body, the one end and the oiling joint fixed connection of the ascending runner of three-way valve body horizontal direction, and the other end is connected with the sensor, and first notes fuel outlet valve is including annotating fuel outlet valve body and stainless steel ball, and the stainless steel ball setting is in the inside cavity of annotating the fuel outlet valve body, and the below of stainless steel ball is provided with the spacer pin. Compact structure, reasonable in design, little water sensor and oiling connect and pass through the sealing washer with the runner and seal up and guaranteed the leakproofness, are provided with fuel tap and runner intercommunication on the first valve body, conveniently carry out the operation of oiling and oil drain, are provided with on the oil drain passageway and have the valve gap further guaranteed the leakproofness.
Description
Technical Field
The utility model belongs to the technical field of the mutual-inductor, specifically a little water monitoring assembly of mutual-inductor.
Background
The 110kV and above oil-immersed current transformer in China mainly adopts a capacitive oil paper insulation structure, a capacitor core formed by coiling cable paper and an aluminum foil electrode is arranged inside the oil-immersed current transformer, the oil-immersed current transformer is in an oil paper insulation structure after being immersed in oil, and the oil quantity is relatively small. A large number of electric power oil-less devices such as a current transformer insulated by oil-immersed paper are applied to an electric power system, and faults and ageing in long-term operation cannot be avoided. Once the internal of the oil-less equipment has discharge and heating faults, the insulating oil is decomposed to generate characteristic gas. If the defects can not be found in time and continue to deteriorate, the insulation breakdown of the oil-poor equipment can be caused, and explosion and fire accidents can occur in serious cases. Not only lead to equipment self to destroy, arouse the tripping operation to have a power failure, the piece that the while explosion produced still will cause the damage of neighbouring equipment, enlarges the power failure scope, still probably causes the personal injury to fortune dimension inspection personnel under the extreme condition.
The water content in the oil is abnormal due to the failure of the sealing unit of the capacitor voltage transformer, so that an assembly for monitoring the water content in the oil is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a little water monitoring assembly adopts three-way valve and little water sensor to monitor the moisture content of the oil in the mutual-inductor, can effectively monitor moisture content's change, and timely overhauls the trouble, reduces the probability that equipment damaged, and the security has obtained the improvement.
In order to solve the technical problem, the utility model provides a mutual inductor trace water monitoring assembly, which comprises a three-way valve body, a first oil injection and drainage valve and an oil injection joint, wherein the first oil injection and drainage valve is arranged in an oil injection and drainage channel in the vertical direction of the three-way valve body;
furthermore, the first oil injection and drainage valve comprises an oil injection and drainage valve body and a stainless steel ball, the stainless steel ball is arranged in an inner cavity of the oil injection and drainage valve body, and a limit pin is arranged below the stainless steel ball.
Furthermore, the end part of the end, far away from the flow channel, of the oil injection joint is connected with a second oil injection and drainage valve, the second oil injection and drainage valve is connected with a mutual inductor, and the end, far away from the flow channel, of the sensor is connected with a monitoring device.
Further, sealing rings are arranged between the sensor and the flow channel and between the oil injection joint and the flow channel for sealing.
Furthermore, the two ends of the limiting pin are fixed on the oil injection and drainage valve body, a hexagonal oil injection port is formed in the upper portion of the oil injection and drainage valve body, and the oil injection port is used for being connected with an oil injection and drainage tool.
Further, an oil valve cover is fixed at one end, far away from the flow channel, of the oil injection and drainage channel.
The utility model has the advantages that: compact structure, reasonable in design, little water sensor and oiling connect and pass through the sealing washer with the runner and seal up and guaranteed the leakproofness, are provided with fuel tap and runner intercommunication on the first valve body, conveniently carry out the operation of oiling and oil drain, are provided with on the oil drain passageway and have the valve gap further guaranteed the leakproofness.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic structural view of the fuel filling and discharging valve of the present invention;
FIG. 3 is a cross-sectional view of the fuel filling and draining valve of the present invention;
fig. 4 is a plan view of the fuel filling and discharging valve of the present invention.
In the figure: the method comprises the following steps of 1-a three-way valve body, 2-a first oil injection and drainage valve, 21-an oil injection and drainage valve body, 22-a stainless steel ball, 23-a limiting pin, 3-an oil injection joint, 4-a flow channel, 5-a sensor, 6-an oil injection and drainage channel, 7-a mutual inductor, 8-a sealing ring, 9-an oil valve cover and 10-a second oil injection and drainage valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In a specific embodiment of the utility model, as shown in fig. 1 to 4, specifically disclose a little water monitoring assembly of mutual-inductor, connect 3 including three-way valve body 1, first oil drain valve 2 and oiling, first oil drain valve 2 sets up in the ascending oil drain passageway 6 of annotating of three-way valve body 1 vertical side, the one end of runner 4 on the three-way valve body 1 horizontal direction with 3 fixed connection are connected to the oiling, and the other end is connected with sensor 5, sensor 5 with between the runner 4 the oiling connect 3 with all seal through sealing washer 8 between the runner 4, it keeps away from to annotate oil drain passageway 6 the one end of runner 4 is fixed with oil valve lid 9, sensor 5 is little water sensor.
First notes fuel drain valve 2 is including annotating fuel drain valve body 21 and stainless steel ball 22, and stainless steel ball 22 sets up in annotating the inside cavity of fuel drain valve body 21, stainless steel ball 22's below is provided with spacer pin 23, the oiling connects 3 to keep away from the end connection of the one end of runner 4 has second to annotate fuel drain valve 10, second is annotated fuel drain valve 10 and is connected with mutual-inductor 7, sensor 5 keeps away from the one end of runner 4 is connected with monitoring devices, the both ends of spacer pin 23 are fixed annotate on the fuel drain valve body 21, the upper portion of annotating fuel drain valve body 21 is provided with the hexagon oiling mouth, the oiling mouth is used for connecting the frock of annotating oil drain.
The utility model discloses a working process does: the oil filling connector is communicated with the inside of the mutual inductor through a second oil filling and discharging valve at the end part, insulating oil in the mutual inductor enters a flow channel through the oil filling connector, a micro water sensor detects the moisture content in the insulating oil in the flow channel, data is transmitted back to a monitoring system, if the moisture content is not in accordance with the standard, the first oil filling and discharging valve in the oil filling and discharging channel can be used for oil filling and discharging, the structure is compact, the design is reasonable, the micro water sensor, the oil filling connector and the flow channel are sealed through a sealing ring to guarantee the sealing performance, the oil valve and the flow channel are arranged on the first valve body to be communicated, the operation of oil filling and oil discharging is convenient to carry out, and the valve cover is arranged on the oil filling and discharging.
The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the invention, which is defined by the claims and their equivalents.
Claims (6)
1. The utility model provides a little water monitoring assembly of mutual-inductor which characterized in that, includes three-way valve body (1), first notes fuel outlet valve (2) and oiling connects (3), first notes fuel outlet valve (2) set up in three-way valve body (1) the ascending oil filling and draining passageway (6) of vertical side, three-way valve body (1) the ascending one end of runner (4) of horizontal direction with oiling connects (3) fixed connection, and the other end is connected with sensor (5).
2. The mutual inductor micro-water monitoring assembly according to claim 1, wherein the first oil injection and drainage valve (2) comprises an oil injection and drainage valve body (21) and a stainless steel ball (22), the stainless steel ball (22) is arranged in an inner cavity of the oil injection and drainage valve body (21), and a limit pin (23) is arranged below the stainless steel ball (22).
3. The mutual inductor micro-water monitoring assembly according to claim 2, wherein a second oil filling and discharging valve (10) is connected to an end of the oil filling joint (3) far away from the flow passage (4), a mutual inductor (7) is connected to the second oil filling and discharging valve (10), and a monitoring device is connected to an end of the sensor (5) far away from the flow passage (4).
4. The mutual inductor micro-water monitoring assembly according to claim 1, wherein sealing rings (8) are arranged between the sensor (5) and the flow channel (4) and between the oil filling joint (3) and the flow channel (4).
5. The mutual inductor micro-water monitoring assembly according to claim 2, wherein two ends of the limit pin (23) are fixed on the oil injection and drainage valve body (21), a hexagonal oil injection port is formed in the upper portion of the oil injection and drainage valve body (21), and the oil injection port is used for being connected with an oil injection and drainage tool.
6. The mutual inductor micro-water monitoring assembly as claimed in claim 1, wherein an oil valve cover (9) is fixed at one end of the oil filling and discharging channel (6) far away from the flow channel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020136472.0U CN211652866U (en) | 2020-01-21 | 2020-01-21 | Mutual inductor micro-water monitoring assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020136472.0U CN211652866U (en) | 2020-01-21 | 2020-01-21 | Mutual inductor micro-water monitoring assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211652866U true CN211652866U (en) | 2020-10-09 |
Family
ID=72683572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020136472.0U Active CN211652866U (en) | 2020-01-21 | 2020-01-21 | Mutual inductor micro-water monitoring assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211652866U (en) |
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2020
- 2020-01-21 CN CN202020136472.0U patent/CN211652866U/en active Active
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