CN212568033U

CN212568033U - Oil sample collection system

Info

Publication number: CN212568033U
Application number: CN201921583560.9U
Authority: CN
Inventors: 王喜生; 汪健; 陈润晶; 陆斌; 张迪; 王兴文; 杨明; 苏海南; 许建春; 江玲
Original assignee: State Grid Corp of China SGCC; State Grid Liaoning Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; State Grid Liaoning Electric Power Co Ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2021-02-19
Anticipated expiration: 2029-09-23

Abstract

The utility model relates to an oil appearance collection system, including sampling device, diverter valve, pipeline and oil appearance bottle, sampling device includes sample seal valve and drainage ware, and the diverter valve includes oil feed diverter valve and exhaust diverter valve, and the sample seal valve loops through the pipeline and the oil feed diverter valve is connected with oil appearance bottle, and the drainage ware loops through the pipeline and the exhaust diverter valve is connected with oil appearance bottle. The utility model discloses a rather than the sample seal valve that matches, it is good to realize sealing, in the time of firm in connection, but the oil drain valve of rotary operation equipment oil sampling, the operation is swift, the good reliability, effective anti-pollution. The sampling seal valve is small in structure and made of insulating materials, so that space operation limitation is reduced, the static inductor is effectively prevented from harming a human body, and safety factor and working efficiency are improved. For equipment without an oil drain valve, the drainage device can realize electric control operation, so that manpower is saved, operation is simplified, working efficiency is improved, pollution is reduced, and the technical blank for sampling the equipment is filled.

Description

Oil sample collection system

Technical Field

The utility model relates to a liquid sample collection system especially relates to an oil sample collection system, is used for electrical equipment to get oil appearance more, belongs to oil supervision technical field.

Background

The oil quality test data of the electric oil filling equipment is an important index for the health condition of the reaction equipment, in the oil sample collection process, the traditional mode usually enables an oil sample bottle to be in an open state, an internal oil sample is exposed in the air and is easily influenced by air humidity and impurities, the test data is influenced, and when equipment without an oil drain valve (such as a sleeve, a nitrogen filling connecting pipe and the like) is used, repeated drainage needs to be carried out by using an injector and a hose, so that the operation is complex, the use time is long, and the sanitation is not good; when the space is narrow, the metal wrench used for sampling cannot move freely, so that the operation is inconvenient; when strong electrostatic induction is used, the metal tool inevitably brings pricking feeling to the operator, which is not beneficial to safety.

Disclosure of Invention

To the above problem, the utility model provides a leakproofness is good, operation is swift, safe, sanitary oil appearance collection system to realize through following technical scheme:

the utility model provides an oil appearance collection system, includes sampling device, diverter valve, pipeline and oil appearance bottle, and sampling device includes sample seal valve and drainage ware, and the diverter valve includes oil feed diverter valve and exhaust diverter valve, and the sample seal valve loops through the pipeline and the oil feed diverter valve is connected with oil appearance bottle, and the drainage ware loops through the pipeline and the exhaust diverter valve is connected with oil appearance bottle.

The oil inlet switching valve and the exhaust switching valve are respectively connected with the oil sample bottle through a double-hole sealing plug.

The oil inlet switching valve is used for flushing a pipeline and sampling oil.

The exhaust switching valve functions to exhaust air and switch the flow diverter.

The sampling seal valve is made of insulating materials and is formed by sequentially connecting a fastening part, an operating part, a seal oil nozzle and a fixing nut.

The fastening part is a cavity structure, one end of the fastening part is provided with an opening, the open end of the fastening part is provided with an internal thread, the closed end of the fastening part is provided with a rotary valve with a polygonal structure, and the oil discharging nozzle is of a tubular structure and penetrates through the other end of the rotary valve.

The operating part is the cavity structure, and the end is provided with the opening, and opening and rotary valve phase-match are provided with sealed the pad in the cavity, and the oil drain nozzle runs through sealed pad and operating part blind end, makes fastening part and operating part intercommunication.

The closed end of the operating part is provided with external threads.

The sealing oil nozzle is of a tubular structure with two different end diameters, the large-diameter end is connected with the operating part, an O-shaped sealing ring is arranged at the joint, and the small-diameter end penetrates through the fixing nut to be connected with the pipeline, so that the sealing transitional connection effect is achieved.

And one end of the fixing nut is provided with an opening, the opening end is provided with an internal thread and is matched with the external thread of the operation part, and the closed end is provided with a hole matched with the small-diameter end of the sealing oil nozzle.

The fastening part is movably connected with the operation part.

The drainage device is used for providing drainage power, can adopt modes such as electric control, hand cranking and injector, and is mainly used for equipment without an oil drain valve.

Compared with the prior art, the beneficial effects of the utility model reside in that: according to the structural characteristics of the oil drain valve of the power equipment, the sampling seal valve matched with the oil drain valve is designed, the sampling seal valve and the oil drain valve of the equipment can be fastened firstly and then connected or connected firstly and then fastened, the oil drain valve of the rotary operating equipment can be used for taking an oil sample while good sealing and firm connection are realized, the operation is fast, the reliability is high, the pollution is effectively prevented, and the problems that the traditional oil sample collection is not sealed and is not easy to operate are solved. The sampling seal valve is small in structure and made of insulating materials, so that the space operation limitation is reduced, the operation is freer, the static inductor is effectively prevented from harming a human body, the safety coefficient and the working efficiency are greatly improved, the field operation is more standardized, representative test data can be provided, oil quality supervision and hidden danger troubleshooting work of power equipment can be facilitated, and the powerful guarantee is provided for safe and reliable operation of power grid equipment. For equipment without an oil drain valve, the drainage device can realize electric control operation, so that manpower is saved, operation is simplified, working efficiency is improved, pollution is reduced, and the technical blank for sampling the equipment is filled.

Drawings

FIG. 1 is a schematic view of the overall structure;

FIG. 2 is a schematic perspective view of the oil drain valve;

fig. 3 is a schematic perspective view of a sampling seal valve;

FIG. 4 is a schematic view of a packing structure of the oil sample collection device;

FIG. 5 is a schematic sectional view of the oil drain valve of the apparatus;

FIG. 6 is a schematic sectional view of a sample sealing valve (operation part);

fig. 7 is a schematic sectional view of the sample sealing valve (fastening part);

FIG. 8 is a schematic cross-sectional view of a sample sealing valve (sealing nipple);

FIG. 9 is a cross-sectional view of the sample sealing valve (fixing nut);

fig. 10 is a schematic sectional assembly view of the sample sealing valve;

in the figure: 1. the device comprises an equipment oil drain valve, 2, a sampling seal valve, 3, a pipeline, 4, an oil inlet switching valve, 5, an exhaust switching valve, 6, a flow diverter, 7, an oil sample bottle, 8, an external threaded pipe, 9, a rotary valve, 10, an oil drain nozzle, 11, a fastening part, 12, an operation part, 13, a sealing oil nozzle, 14, a fixing nut, 15, a sealing gasket, 16, an O-shaped sealing ring, 17, a pipeline winding rod, 18, a double-hole sealing plug, 19, a tool material, 20, a waste oil bottle, 21, a switch, 22 and a speed regulator.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1, the sampling seal valve 2 and the flow diverter 6 are respectively connected with an oil sample bottle 7 through a pipeline 3, and an oil inlet switching valve 4 and an exhaust switching valve 5 are respectively arranged on the two pipelines 3 to form a closed controllable oil sample collecting device.

Example 2

As shown in fig. 3, the sampling seal valve 2 is composed of a fastening portion 11, an operating portion 12, a seal oil nipple 13, and a fixing nut 14 which are connected in this order. The fastening part 11 is bolted with the equipment oil drain valve 1, so that the sampling seal valve 2 and the equipment oil drain valve 1 are firmly connected. Operation portion 12 is cylindrical cavity structure, and one end is provided with the opening, and the opening matches with fastening portion 11's rotary valve 9, and fastening portion 11 and operation portion 12 are connected the back, and oil drain nozzle 10 runs through operation portion closed end, makes fastening portion 11 and operation portion 12 communicate, and the clearance department of rotary valve 9 top and cavity bottom is provided with sealed the pad 15 to guarantee the leakproofness.

The operation part 12 is movably connected with the fastening part 11, in use, the fastening part 11 can be firstly connected with the equipment oil drain valve 1 through bolts, then the operation part 12 is in butt joint with the fastening part 11, the operation part rotates after being connected stably to drive the rotary valve 9 to open or close the equipment oil drain valve, and the fastening part 11 can be in butt joint with the operation part 12 firstly and then is connected with the equipment oil drain valve 1 through bolts, so that the butt joint operation is facilitated.

The closed end of the operating portion 12 is provided with external threads that mate with internal threads of the retaining nut 14.

The sealing oil nozzle 13 is a tubular structure with two different end diameters, the large-diameter end is connected with the operation part 12, an O-shaped sealing ring 16 is arranged at the joint, and the small-diameter end penetrates through the fixing nut 14 to be connected with the pipeline 3, so that the sealing transitional connection effect is achieved.

The fixing nut 14 has an open end, and the closed end is provided with a hole matching with the small diameter end of the sealing oil nipple 13, and can pass through the small diameter end of the sealing oil nipple 13 but can not pass through the large diameter end. The opening of the fixing nut 14 is of an internal thread structure, the bolt is connected with the closed end of the operation part 12, the sealing oil nozzle 13 is positioned after installation, the sealing oil nozzle 13 can freely rotate during operation and can bear certain oil pressure, falling and sliding out are prevented, and meanwhile, the oil conveying pipeline 3 is effectively prevented from rotating along with rotation operation.

The sampling seal valve 2 is small in size, easy to operate, good in valve insulation, capable of effectively preventing static induction and improving safety factor, and reduces carrying and operation burden of operators.

Example 3

As shown in fig. 1, a double-hole sealing plug 18 is arranged at the bottle mouth of the oil sample bottle 7, and is respectively communicated with the pipeline 3 through the oil inlet switching valve 4 and the exhaust switching valve 5.

The oil inlet switching valve 4 has the functions of flushing a pipeline and taking an oil sample: before sampling, the oil inlet switching valve 4 is switched to an oil discharge position, an oil sample is discharged through the oil inlet switching valve 4, and the charging pipeline 3 is flushed; during sampling, the oil inlet switching valve 4 is switched to an oil inlet position, and an oil sample flows into the oil sample bottle 7 through the oil inlet switching valve 4; after the sampling is finished, the oil inlet switching valve 4 and the exhaust switching valve 5 are switched to closed positions, the oil sample bottle 7 is sealed, and collected oil samples can be prevented from being polluted in a pipe and outside.

The outlet position of the pipeline 3 through the oil inlet switching valve 4 is close to the bottom of the oil sample bottle 7, so that on one hand, the fall is reduced, and the impact is reduced, on the other hand, when a chromatographic test is carried out, the oil sample at the bottom of the oil sample bottle can be directly extracted by the aid of the hose, and test data are more representative.

The exhaust switching valve 5 has the functions of exhausting and switching the flow diverter 6: when sampling is carried out on equipment with the equipment oil drain valve 1, the exhaust switching valve 5 is switched to an exhaust position, gas is exhausted from the exhaust switching valve 5 through the pipeline 3 along with the increase of oil samples in the oil sample bottles 7, the oil inlet switching valve 4 and the exhaust switching valve 5 are switched to a closed position after the oil sample bottles are fully taken, the oil sample bottles 7 are sealed, and the collected oil samples can be prevented from being polluted by the inside and the outside. When a device without an oil drain valve, such as a sleeve pipe and a nitrogen-filled connecting pipe, is used for sampling, the exhaust switching valve 5 is switched to the position of the drainage device, the drainage device 6 is started, when an oil sample is drained to the oil sample bottle 7, the drainage device 6 is closed, the exhaust switching valve 5 is switched to the exhaust position, the oil sample flows by means of siphon action until the oil sample is fully taken, the oil inlet switching valve 4 and the exhaust switching valve 5 are switched to the closed position, the oil sample bottle 7 is sealed, and the collected oil sample can be prevented from being polluted by the inside and the outside.

The drainage device 6 is added aiming at equipment without an oil drain valve, has the function of providing drainage power, has the pressure within a proper range, does not infinitely pump vacuum, and can be an electric control pump, a hand pump, a syringe and the like.

Example 4

As shown in fig. 4, all the components are integrated in an electric cabinet to play a role of protection, and are convenient to carry and use.

Example 5

The liquid sample collection steps for the equipment with the oil drain valve are as follows:

step 1: and an exhaust switching valve 5 is connected with an electric control system, one end of an oil inlet switching valve 4 is communicated with the sampling seal valve 2 through a pipeline 3, and the other end of the oil inlet switching valve is communicated with a waste oil bottle.

Step 2: and (3) connecting the sampling seal valve 2 with the equipment oil drain valve 1 in a sealing way: (1) firstly, the oil drain valve 1 of the equipment is bolted with the fastening part 11;

(2) the fastening portion 11 is then butted against the operating portion 12.

And step 3: and the oil inlet switching valve 4 is switched to an oil discharge position, the exhaust switching valve 5 is switched to an exhaust position, and the electric control pump is stopped.

And 4, step 4: the sampling seal valve 2 is operated, the operation part 12 is rotated, the equipment oil drain valve 1 is opened, and the oil sample in the equipment flows into the waste oil bottle through the oil inlet switching valve 4 to flush the pipeline.

And 5: and (3) switching the oil inlet switching valve 4 to an oil taking position to enable oil to flow into the oil sample bottle, and closing the oil inlet switching valve 4 and the exhaust switching valve 5 to seal the oil sample bottle after the oil sample is fully taken.

Step 6: the sample seal valve 2 is operated to rotate the operation portion 12 in the reverse direction, and the facility oil drain valve 1 is closed.

And 7: the pipeline and the valve are disassembled, the equipment is ensured not to be soaked with oil, the equipment protective sleeve is installed, and the oil sample bottles 7 are packed to be prepared for transportation and arranged on site.

Example 6

The liquid sample collection procedure for the device without the oil drain valve was as follows:

step 1: and the exhaust switching valve 5 is connected with an electric control system, one end of the oil inlet switching valve 4 is communicated with the sampling seal valve 2 through a pipeline 3, and the other end of the oil inlet switching valve is communicated with the waste oil bottle.

Step 2: the equipment sampling hole is opened and the pipeline 3 is extended into the oil of the equipment, and the sampling seal valve 2 is not needed.

And step 3: the oil inlet switching valve 4 is switched to an oil discharge position, and the exhaust switching valve 5 is switched to a flow diverter position.

And 4, step 4: the power supply of the drainage device 6 is started, the pressure is adjusted, and when an oil sample in the equipment slowly flows out through the pipeline 3, the oil sample flows into the waste oil bottle through the oil inlet switching valve 4 to wash the pipeline.

And 5: and (3) turning off the power supply, switching the oil inlet switching valve 4 to an oil taking position, switching the exhaust switching valve 5 to an exhaust position, and enabling the oil sample to flow into the oil sample bottle 7 for siphon sampling.

Step 6: and when the oil is full, the pipeline 3 in the equipment is taken out, and the sampling hole of the equipment is closed.

And 7: and closing the oil inlet switching valve 4 and the exhaust switching valve 5 and sealing the oil sample bottle.

And 8: the pipeline and the valve are disassembled, the equipment is ensured not to be soaked with oil, the equipment protective sleeve is installed, and the oil sample bottles 7 are packed to be prepared for transportation and arranged on site.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an oil appearance collection system, includes sampling device, diverter valve, pipeline (3) and oil appearance bottle (7), its characterized in that sampling device includes sample seal valve (2) and drainage ware (6), the diverter valve includes oil feed diverter valve (4) and exhaust diverter valve (5), sample seal valve (2) loop through pipeline (3) and oil feed diverter valve (4) and are connected with oil appearance bottle (7), drainage ware (6) loop through pipeline (3) and exhaust diverter valve (5) and are connected with oil appearance bottle (7).

2. The oil sample collection device according to claim 1, wherein the oil inlet switching valve (4) and the exhaust switching valve (5) are respectively connected with the oil sample bottle (7) through a double-hole sealing plug (18).

3. The oil sample collecting device according to claim 1, wherein the sampling seal valve (2) is formed by connecting a fastening part (11), an operating part (12), a sealing oil nozzle (13) and a fixing nut (14) in sequence.

4. An oil sample collection device according to claim 3, characterized in that the fastening part (11) is a hollow structure, one end of which is provided with an opening, the opening end is provided with internal threads, the closed end is provided with a rotary valve (9) with a polygonal structure, and the oil discharge nozzle (10) is a tubular structure and is arranged at the other end of the rotary valve (9) in a penetrating way.

5. An oil sample collection device according to claim 3 or 4, characterized in that the operating part (12) is a hollow structure, one end of the hollow structure is provided with an opening which is matched with the rotary valve (9), a sealing gasket (15) is arranged in the hollow structure, and the oil discharging nozzle (10) penetrates through the sealing gasket (15) and the closed end of the operating part (12) to communicate the fastening part (11) with the operating part (12).

6. An oil sample collection device according to claim 3, characterized in that the closed end of the operating portion (12) is provided with an external thread.

7. The oil sample collection device according to claim 3, wherein the sealing oil nozzle (13) is a tubular structure with two ends having different diameters, the large diameter end is connected with the operation part (12), an O-shaped sealing ring (16) is arranged at the joint, and the small diameter end penetrates through the fixing nut (14) to be connected with the pipeline (3) to play a role of sealing transitional connection.

8. An oil sample collection device according to claim 3 or 7, characterized in that the fixing nut (14) is provided with an opening at one end, an internal thread at the open end for mating with an external thread of the operating part (12), and a hole at the closed end for mating with the small diameter end of the sealing nipple (13).

9. An oil sample collection device according to claim 3 or 4, characterized in that the fastening part (11) is movably connected to the operating part (12).

10. An oil sample collection device according to claim 1, characterized in that the flow diverter (6) is adapted to provide a flow diversion motive force.