CN217879051U

CN217879051U - Photoacoustic spectroscopy technology-based transformer on-line monitoring device

Info

Publication number: CN217879051U
Application number: CN202221668756.XU
Authority: CN
Inventors: 梁轩伟; 安晨光; 杨柳青; 谢德辉
Original assignee: Hunan Huadian Yuntong Power Technical Co ltd
Current assignee: Hunan Huadian Yuntong Power Technical Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-11-22
Anticipated expiration: 2032-06-30

Abstract

The application provides a transformer on-line monitoring device based on optoacoustic spectroscopy belongs to transformer bushing monitoring devices field, and this transformer on-line monitoring device based on optoacoustic spectroscopy includes analytical instrument body and storage mechanism, the analytical instrument body includes organism and introduction port, the introduction port sets up organism surface, storage mechanism includes support, rolling disc, storage cylinder, piston rod, air guide rod, spring, motor, electric putter and photoelectric switch, the support is fixed analytical instrument body surface, the rolling disc rotates to cup joint on the support, photoelectric switch includes transmitting part and receiving part, the transmitting part with the receiving part is fixed respectively the support with the rolling disc surface, this transformer on-line monitoring device based on optoacoustic spectroscopy can detect in the instrument with different gas sample injection by automatic timing, need not artifical the injection of waiting for the branch, convenient operation.

Description

Photoacoustic spectroscopy technology-based transformer on-line monitoring device

Technical Field

The application relates to the field of transformer oil chromatographic analysis, in particular to a transformer on-line monitoring device based on a photoacoustic spectroscopy technology.

Background

A transformer oil chromatographic analyzer is used for measuring the component content of dissolved gas in insulating oil by using a gas chromatography, is an effective means for a power generation and supply enterprise to judge whether latent faults such as overheating, discharging and the like exist in oil-filled power equipment in operation so as to ensure the safe and effective operation of a power grid, and is also a necessary means for oil-filled electrical equipment manufacturers to carry out delivery inspection on the equipment.

When a transformer oil chromatographic analyzer is used for carrying out chromatographic analysis on oil liquid in a transformer bushing, mixed gas extracted from an oil sample needs to be injected into an injection port of an instrument, a result can be obtained after ten minutes of waiting, after the result to be detected is obtained, the next sample continues to be injected for detection, the detection personnel need to wait for time and inject the sample for multiple times, and the operation is relatively troublesome.

SUMMERY OF THE UTILITY MODEL

In order to make up for the above deficiencies, the application provides an on-line transformer monitoring device based on a photoacoustic spectroscopy technology, and the problems mentioned above are solved.

The application is realized as follows:

the application provides a transformer on-line monitoring device based on optoacoustic spectroscopy, including analytical instrument body and storage mechanism.

The analytical instrument body comprises an instrument body and a sample inlet, wherein the sample inlet is arranged on the surface of the instrument body.

Storage mechanism includes support, rolling disc, a storage section of thick bamboo, piston rod, air guide rod, spring, motor, electric putter and photoelectric switch, the support is fixed analytical instrument body surface, the rolling disc rotates to cup joint on the support, a storage section of thick bamboo is equipped with a plurality of, a storage section of thick bamboo interval slides and runs through inside the rolling disc, the intake pipe is installed to a storage section of thick bamboo one side, piston rod one end sliding connection is in on the storage section of thick bamboo inner wall, the piston rod sets up the storage section of thick bamboo outside, air guide rod sliding connection is in the storage section of thick bamboo is relative the one end of piston rod, the spring cup joints respectively the piston rod with on the air guide rod, the storage section of thick bamboo outside also is fixed with the spring, the storage section of thick bamboo outside spring one end is fixed the rolling disc surface, the motor is fixed the support surface, the motor with the rolling disc transmission is connected, electric putter fixes the support surface, photoelectric switch includes emission portion and receiving portion, the emission portion with the receiving portion is fixed respectively the support with the rolling disc surface.

In the implementation process, gas of different taken samples is injected into the storage cylinder through the rubber plug in the air inlet pipe through the needle tube, when detection is started, the motor drives the rotating disc to rotate, when the receiving part on the surface of the rotating disc and the transmitting part on the surface of the support are on the same straight line, the photoelectric switch controls the electric push rod to push downwards, the storage cylinder moves downwards, the tip at one end of the air guide rod at one end of the storage cylinder enters the sample inlet, the air guide rod slides upwards at the moment, the sealing plate also moves upwards and exposes the air outlet, the electric push rod continues to press downwards at the moment, the piston rod presses the gas in the storage cylinder downwards into the sample inlet through the air outlet at one end of the air guide rod, the electric push rod returns at the moment, the air guide rod, the piston rod and the storage cylinder reset under the action of the spring, after a detection result is obtained, the timing switch controls the motor to drive the rotating disc to continue to rotate and move the other storage cylinder to the upper part of the sample inlet, and therefore cyclic automatic detection is carried out, and the on-line monitoring device based on the photoacoustic spectroscopy can inject different gas samples into an instrument at automatic timing to detect without manual injection.

In a specific embodiment, a bearing seat is embedded in the center of the rotating disc, and the bearing seat is fixedly sleeved on the bracket.

In a specific embodiment, the surface of the rotating disc is provided with a connecting sleeve, and the connecting sleeve is in clearance fit with the bracket.

In a specific embodiment, a driving wheel is installed on the connecting sleeve, a driving belt is arranged on the driving wheel, and the driving belt is in transmission connection with the motor.

In a specific embodiment, a pressure plate is installed at the output end of the electric push rod and is positioned right above the sample inlet.

In a specific implementation scheme, the air guide rod comprises a rod body, a sealing plate and a supporting plate, wherein a cavity is formed in the rod body, one end of the cavity is provided with an opening, an air outlet hole is formed in one side of the cavity, the sealing plate is fixed to one end of the rod body, the supporting plate is fixedly sleeved on the outer side of the rod body, and the spring is sleeved on the rod body and is arranged between the supporting plate and the surface of the storage cylinder.

In a specific embodiment, one end of the rod body, which is far away from the sealing plate, is provided with a sharp mouth.

In the implementation process, the gas can enter the rod body from the gas outlet hole and then is discharged from the sharp mouth at the other end of the rod body.

In a specific embodiment, a timing switch is installed on one side of the bracket, and the timing switch is electrically connected with the motor.

In the implementation process, the time switch is set as the time for detecting the result, and another sample is automatically injected for detection after the result to be detected is obtained.

In a specific embodiment, a rubber plug is installed on the inner wall of the air inlet pipe.

In the above-mentioned realization process, the rubber buffer plays airtight effect, and after the needle tubing was extracted from the rubber buffer, rubber buffer self elastic action automatic closure.

In a specific embodiment, a support is arranged outside the storage cylinder, and one end of the spring is fixed on the surface of the support.

In the above implementation, the abutment and the spring serve to reset the cartridge.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural diagram of an on-line transformer monitoring device based on photoacoustic spectroscopy according to an embodiment of the present application;

FIG. 2 is a schematic structural view of an air guide bar provided in an embodiment of the present application;

FIG. 3 is a schematic view of a cartridge according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a rotating disk according to an embodiment of the present application.

In the figure: 100-analytical instrument body; 110-body; 120-sample inlet; 200-a storage mechanism; 210-a scaffold; 211-a time switch; 220-a rotating disc; 221-a bearing seat; 222-a connecting sleeve; 2221-a transmission wheel; 230-a storage cartridge; 231-an intake pipe; 2311-rubber plug; 232-support; 240-a piston rod; 250-air guide rod; 251-a rod body; 2511-air outlet; 252-a sealing plate; 253-a support plate; 260-a spring; 270-a motor; 280-an electric push rod; 281-pressing plate; 290-a photoelectric switch; 291-an emitting part; 292-receiving part.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Examples

Referring to fig. 1, the present application provides a technical solution: a transformer on-line monitoring device based on photoacoustic spectroscopy technology comprises an analysis instrument body 100 and a storage mechanism 200, wherein the storage mechanism 200 is fixed on the surface of the analysis instrument body 100.

Referring to fig. 1, the analyzer body 100 includes a body 110 and a sample inlet 120, wherein the sample inlet 120 is disposed on a surface of the body 110.

Referring to fig. 1, 2, 3 and 4, the storage mechanism 200 includes a bracket 210, a rotating disc 220, a storage cylinder 230, a piston rod 240, an air guide rod 250, a spring 260, a motor 270, an electric push rod 280 and a photoelectric switch 290, the bracket 210 is fixed on the surface of the analytical instrument body 100, a timing switch 211 is installed on one side of the bracket 210, the timing switch 211 is electrically connected with the motor 270, the rotating disc 220 is rotatably sleeved on the bracket 210, a bearing seat 221 is embedded in the center of the rotating disc 220, the bearing seat 221 is fixedly sleeved on the bracket 210, a connecting sleeve 222 is installed on the surface of the rotating disc 220, the connecting sleeve 222 is in clearance fit with the bracket 210, a driving wheel 2221 is installed on the connecting sleeve 222, a driving belt is installed on the driving wheel 2221, the driving belt is driven by the motor 270 and connected, the storage cylinders 230 are provided with a plurality of storage cylinders 230, the storage cylinders 230 are slidably penetrated in the rotating disc 220 at intervals, an air inlet pipe 231 is installed on one side of the storage cylinders 230, the inner wall of the air inlet pipe 231 is provided with a rubber plug 2311, the rubber plug 2311 has a sealing effect, when the needle tube is pulled out of the rubber plug 2311, the self elastic action of the rubber plug 2311 is automatically closed, one end of the piston rod 240 is slidably connected to the inner wall of the storage barrel 230, the piston rod 240 is arranged on the outer side of the storage barrel 230, the air guide rod 250 is slidably connected to one end of the storage barrel 230 opposite to the piston rod 240, the air guide rod 250 comprises a rod body 251, a sealing plate 252 and a supporting plate 253, one end of the rod body 251, which is provided with a cavity, is provided with an opening, and is provided with an air outlet hole 2511 on one side, the sealing plate 252 is fixed at one end of the rod body 251, the supporting plate 253 is fixedly sleeved on the outer side of the rod body 251, the spring 260 is sleeved on the rod body 251 and is arranged between the supporting plate 253 and the surface of the storage barrel 230, one end of the rod body 251, which is far away from the sealing plate 252, is provided with a sharp nozzle, the spring 260 is respectively sleeved on the piston rod 240 and the air guide rod 250, the outer side of the storage barrel 230 is also fixed with the spring 260, one end of a spring 260 outside the storage cylinder 230 is fixed on the surface of the rotating disc 220, a support 232 is installed outside the storage cylinder 230, one end of the spring 260 is fixed on the surface of the support 232, the support 232 and the spring 260 are used for resetting the storage cylinder 230, a motor 270 is fixed on the surface of the bracket 210, the motor 270 is in transmission connection with the rotating disc 220, an electric push rod 280 is fixed on the surface of the bracket 210, a pressure plate 281 is installed at the output end of the electric push rod 280, the pressure plate 281 is positioned right above the sample inlet 120, the photoelectric switch 290 comprises an emitting part 291 and a receiving part 292, and the emitting part 291 and the receiving part 292 are respectively fixed on the surfaces of the bracket 210 and the rotating disc 220.

Specifically, the working principle of the transformer on-line monitoring device based on the photoacoustic spectroscopy technology is as follows: when the automatic detection device works, gas of different taken samples is inserted into the rubber plug 2311 in the gas inlet pipe 231 through the needle tube and is injected into the storage cylinder 230, when detection is started, the motor 270 drives the rotary disc 220 to rotate, when the receiving part 292 on the surface of the rotary disc 220 and the emitting part 291 on the surface of the bracket 210 are on the same straight line, the photoelectric switch 290 controls the electric push rod 280 to push downwards, at this time, the storage cylinder 230 moves downwards, the tip at one end of the gas guide rod 250 at one end of the storage cylinder 230 enters the sample inlet 120, at this time, the gas guide rod 250 slides upwards, the sealing plate 252 also moves upwards and exposes the gas outlet 2511, at this time, the electric push rod 280 continues to press downwards, the piston rod 240 downwards presses the gas in the storage cylinder 230 into the sample inlet 120 through the gas outlet 2511 at one end of the gas guide rod 250, at this time, the electric push rod 280 returns, the gas guide rod 250, the storage cylinder 230 and the piston rod 240 reset under the action of the spring 260, and after a detection result, the timing switch 211 controls the motor 270 to drive the rotary disc 220 to continue to rotate so as to move to the other storage cylinder 230 to move to the sample inlet 120, so as to perform automatic detection in a circulating manner.

It should be noted that the model specifications of the motor 270 and the electric push rod 280 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.

The power supply of the motor 270 and the power push rod 280 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.

The above embodiments are merely examples of the present application and are not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A transformer on-line monitoring device based on photoacoustic spectroscopy is characterized by comprising

The analyzer comprises an analyzer body (100), wherein the analyzer body (100) comprises a body (110) and an injection port (120), and the injection port (120) is arranged on the surface of the body (110);

the storage mechanism (200) comprises a support (210), a rotating disc (220), a storage barrel (230), a piston rod (240), a plurality of air guide rods (250), springs (260), a motor (270), an electric push rod (280) and a photoelectric switch (290), wherein the support (210) is fixed on the surface of the analytical instrument body (100), the rotating disc (220) is rotatably sleeved on the support (210), the storage barrel (230) is provided with a plurality of air guide rods (250), the storage barrel (230) is slidably penetrated in the rotating disc (220) at intervals, an air inlet pipe (231) is installed on one side of the storage barrel (230), one end of each piston rod (240) is slidably connected to the inner wall of the storage barrel (230), the piston rod (240) is arranged on the outer side of the storage barrel (230), the air guide rods (250) are slidably connected to one end, opposite to the piston rod (240), of the storage barrel (230), the springs (260) are respectively sleeved on the piston rod (240) and the air guide rods (250), the outer side of the storage barrel (230) is also fixedly provided with one end of the spring (260) fixed on the surface of the support (210), and one end of the surface of the rotating disc (220) is fixed on the surface of the support (210), the motor (270) is in transmission connection with the rotating disc (220), the electric push rod (280) is fixed on the surface of the support (210), the photoelectric switch (290) comprises an emitting part (291) and a receiving part (292), and the emitting part (291) and the receiving part (292) are respectively fixed on the surfaces of the support (210) and the rotating disc (220).

2. An on-line transformer monitoring device based on photoacoustic spectroscopy as set forth in claim 1, wherein the center of the rotating disk (220) is embedded with a bearing seat (221), and the bearing seat (221) is fixedly sleeved on the support (210).

3. A photoacoustic spectroscopy-based transformer on-line monitoring apparatus according to claim 1, wherein the surface of the rotating disc (220) is equipped with a connecting sleeve (222), and the connecting sleeve (222) is in clearance fit with the holder (210).

4. The on-line transformer monitoring device based on photoacoustic spectroscopy of claim 3, wherein the connecting sleeve (222) is provided with a driving wheel (2221), the driving wheel (2221) is provided with a driving belt, and the driving belt is in transmission connection with the motor (270).

5. A transformer on-line monitoring device based on photoacoustic spectroscopy as set forth in claim 1, wherein the output end of the electric push rod (280) is installed with a pressure plate (281), and the pressure plate (281) is located right above the sample inlet (120).

6. A transformer on-line monitoring device based on photoacoustic spectroscopy according to claim 1, wherein the gas-guiding rod (250) comprises a rod body (251), a sealing plate (252) and a supporting plate (253), the rod body (251) is provided with a cavity inside, one end of the rod body (251) is provided with an opening, one side of the rod body is provided with a gas outlet hole (2511), the sealing plate (252) is fixed at one end of the rod body (251), the supporting plate (253) is fixedly sleeved outside the rod body (251), and the spring (260) is sleeved on the rod body (251) and is arranged between the supporting plate (253) and the surface of the storage cylinder (230).

7. A transformer on-line monitoring device based on photoacoustic spectroscopy as set forth in claim 6, wherein the end of the rod body (251) away from the sealing plate (252) is equipped with a sharp nozzle.

8. A transformer on-line monitoring device based on photoacoustic spectrometry as claimed in claim 1, wherein the timing switch (211) is installed on one side of the support (210), and the timing switch (211) is electrically connected to the motor (270).

9. A transformer on-line monitoring device based on photoacoustic spectroscopy as set forth in claim 1, wherein the inner wall of the air inlet pipe (231) is installed with a rubber plug (2311).

10. A transformer on-line monitoring device based on photoacoustic spectrometry as claimed in claim 1, wherein a support (232) is installed outside the storage cylinder (230), and one end of the spring (260) is fixed on the surface of the support (232).