Standard oil sample manufacturing device and method for transformer oil chromatography online monitoring
阅读说明：本技术 用于变压器油色谱在线监测的标准油样制作装置和方法 (Standard oil sample manufacturing device and method for transformer oil chromatography online monitoring ) 是由 张国栋 李凯 聂兆明 乔文杰 王小强 李延彬 刘双 于 2019-12-03 设计创作，主要内容包括：一种用于变压器油色谱在线监测的标准油样制作装置和方法,包含有用于储存标准油样的变量筒(7)、设置在变量筒(7)上并且用于作为气体和标准油样通道的管道接头组、设置在变量筒(7)上并且用于改变变量筒(7)状态的推力位移装置,通过变量筒(7)和管道接头组,实现了制的经过配油过程处理的标准油样,通过推力位移装置,实现了变量筒(7)中的经过配油过程处理的标准油样的正压输出,不再用一般的容器,因此提高了变压器油色谱在线监测的精度。(A standard oil sample manufacturing device and method for transformer oil chromatogram on-line monitoring comprises a variable cylinder (7) used for storing a standard oil sample, a pipeline joint group arranged on the variable cylinder (7) and used as a gas and standard oil sample channel, and a thrust displacement device arranged on the variable cylinder (7) and used for changing the state of the variable cylinder (7), wherein the manufactured standard oil sample processed in an oil distribution process is realized through the variable cylinder (7) and the pipeline joint group, positive pressure output of the standard oil sample processed in the oil distribution process in the variable cylinder (7) is realized through the thrust displacement device, a common container is not used any more, and therefore the precision of transformer oil chromatogram on-line monitoring is improved.)
1. The utility model provides a standard oil appearance making devices for transformer oil chromatogram on-line monitoring which characterized by: comprises a variable cylinder (7) for storing standard oil samples, a pipeline joint group which is arranged on the variable cylinder (7) and is used as a passage for gas and the standard oil samples, and a thrust displacement device which is arranged on the variable cylinder (7) and is used for changing the state of the variable cylinder (7).
2. The standard oil sample preparation device for the online chromatographic monitoring of transformer oil as claimed in claim 1, wherein: the variable cylinder (7), the pipeline joint group and the thrust displacement device are connected with each other in a mode that a standard oil sample processed in the oil distribution process is communicated with the transformer oil chromatographic on-line monitoring in a positive pressure state.
3. The standard oil sample preparation device for the online chromatographic monitoring of transformer oil as claimed in claim 2, wherein: the thrust displacement device is connected with the variable cylinder (7) and the pipeline joint group according to the mode that the standard oil sample processed in the oil distribution process is ensured to be communicated with the transformer oil chromatogram on-line monitoring in a positive pressure state through the thread motion.
4. The standard oil sample preparation device for the online chromatographic monitoring of transformer oil as claimed in claim 1, wherein: the pipeline joint group is arranged to comprise an inner exhaust nozzle (5), an inner injection nozzle (6) and an oil inlet and outlet nozzle (10),
or the thrust displacement device is arranged to comprise a threaded pull rod (1) and a rotary power device (2),
or, a first accessory device with an outer air injection nozzle (3), an outer air injection nozzle (4) and a box shell (9) is also included and is respectively connected with the variable cylinder (7), the pipeline joint group and the thrust displacement device,
or, a second attachment device with a sensor group (12) is also included and is respectively arranged on the variable cylinder (7),
or, a third attachment device with stirring heating device (8) is included and is arranged between the variable cylinder (7) and the first attachment device,
or, a fourth attachment device with a graduated scale (11) is also included and is respectively arranged between the variable cylinder (7) and the first attachment device.
5. The standard oil sample preparation device for the online chromatographic monitoring of transformer oil as claimed in claim 4, wherein: be provided with rotation power device (2) on case shell (9) respectively, outer air injection mouth (3), outer air injection mouth (4), change graduated flask (7) and scale (11), be provided with interior air exhaust mouth (5) on change graduated flask (7), interior air injection mouth (6) and sensor group (12) and screw pull rod (1) set up between rotation power device (2) and change graduated flask (7), stirring heating device (8) and business turn over glib talker (10) set up respectively between change graduated flask (7) and case shell (9) and outer air injection mouth (3) set up to communicate with interior air exhaust mouth (5), outer air injection mouth (4) set up to communicate with interior air injection mouth (6) in the air cock.
6. The standard oil sample preparation device for the online chromatographic monitoring of transformer oil as claimed in claim 5, wherein: the variable cylinder (7) is provided to include a bellows portion (71), an upper end plate portion (72) and a lower end plate portion (73) and an upper end port portion of the bellows portion (71) is provided to be coupled with the upper end plate portion (72), a lower end port portion of the bellows portion (71) is provided to be coupled with the lower end plate portion (73) and the upper end plate portion (72) is provided to be coupled with the inner exhaust nozzle (5), the inner exhaust nozzle (6) and the sensor group (12), a T-shaped containing hole body is provided in a middle portion of the upper end plate portion (72) and the T-shaped containing hole body of the upper end plate portion (72) is provided to be coupled with the threaded pull rod (1), the lower end plate portion (73) is provided to be coupled with the stirring and heating device (8), the tank case (9) and the oil inlet and outlet nozzle (10) and the bellows portion (71) is provided to be a metal bellows, the upper end plate portion (72) is provided to be a circular sheet body having side scale marks and the lower end plate (73) is a circular sheet-like body correspondingly distributed.
7. The standard oil sample preparation device for the online chromatographic monitoring of transformer oil as claimed in claim 5, wherein: the box shell (9) is arranged to include a box part (91) and rollers (92), the corner part of the lower end face of the box part (91) is respectively connected with the rollers (92), the upper end face part of the box part (91) is connected with the rotary power device (2) and the side face part of the box part (91) is connected with the graduated scale (11), the upper end part of the side face of the box part (91) is respectively connected with the outer air exhaust nozzle (3) and the outer air injection nozzle (4) and the lower end part of the side face of the box part (91) is connected with the oil inlet and outlet nozzle (10), the lower end face part of the box part (91) is respectively connected with the variable cylinder (7) and the stirring and heating device (8) and the box part (91) is arranged to be a circular cylindrical body, the rollers (92) are arranged to be universal wheels,
or, the outer exhaust nozzle (3), the outer injection nozzle (4), the inner exhaust nozzle (5) and the inner injection nozzle (6) are respectively arranged as a pipeline joint, the outer exhaust nozzle (3) and the outer injection nozzle (4) are respectively arranged to be connected with the box shell (9) in an embedded manner, the inner exhaust nozzle (5) and the inner injection nozzle (6) are respectively arranged to be connected with the variable cylinder (7) in an embedded manner, the outer exhaust nozzle (3) is arranged to be connected with the inner exhaust nozzle (5) through a hose, the outer injection nozzle (4) is arranged to be connected with the inner injection nozzle (6) through a hose,
or the oil inlet and outlet nozzle (10) is arranged as a pipeline joint, the oil inlet and outlet nozzle (10) is arranged to be connected with the box shell (9) in an embedded manner, the inner end of the oil inlet and outlet nozzle (10) is arranged to be connected with the variable cylinder (7) and the outer end of the oil inlet and outlet nozzle (10) is arranged to extend out of the box shell (9),
or the sensor group (12) is set to contain a pressure sensor and a temperature sensor which are respectively set to be connected with the variable cylinder (7),
or the threaded pull rod (1) is arranged to be a T-shaped threaded rod, the T-shaped end of the threaded pull rod (1) is arranged to be connected with the variable cylinder (7) in a sinking way, the threaded pull rod (1) is arranged to be connected with the rotary power device (2) in a threaded way,
or, the rotary power device (2) is arranged to include a stepping motor I (21), a driving gear (22) and a driven gear (23) and the shell of the stepping motor I (21) is arranged to be connected with the box shell (9), the driven gear (23) is arranged to be connected with the box shell (9) through a rotary shaft and the driving gear (22) is arranged to be connected with the end shaft of the stepping motor I (21), the driven gear (23) is arranged to be connected with the driving gear (22) in an engagement way, a threaded hole body is arranged in the rotary shaft of the connection of the driven gear (23) and the box shell (9) and the threaded hole body of the rotary shaft of the driven gear (23) and the box shell (9) is arranged to be connected with the threaded pull rod (1),
or the stirring and heating device (8) is provided with a heating pipe part (81) and a stepping motor II (82), the heating pipe part (81) is connected with an end shaft of the stepping motor II (82), a shell of the stepping motor II (82) is connected with a box shell (9), the heating pipe part (81) is arranged in the variable cylinder (7), the heating pipe part (81) is provided with a spiral electric heating pipe,
or the graduated scale (11) is set to be a graduated plate scale, the graduated scale (11) is set to be attached to the box shell (9), and the graduated scale (11) is set to be distributed corresponding to the variable cylinder (7).
8. The standard oil sample preparation device for the online chromatographic monitoring of transformer oil as claimed in any one of claims 1 to 7, wherein: case shell (9), outer air exhaust mouth (3), outer air injection mouth (4) and business turn over glib talker (10) and variable cylinder (7), interior air exhaust mouth (5) and interior air injection mouth (6) set up to distribute and case shell (9) according to the mode that forms the shrink storage cavity, outer air exhaust mouth (3), outer air injection mouth (4), business turn over glib talker (10), variable cylinder (7), interior air exhaust mouth (5) and interior air injection mouth (6) and sensor group (12) set up to distribute according to the mode of picking up standard oil appearance state signal value, case shell (9), outer air exhaust mouth (3), outer air injection mouth (4), business turn over glib talker (10), variable cylinder (7), interior air exhaust mouth (5) and interior air injection mouth (6) and screw pull rod (1) and rotation power device (2) set up to distribute and case shell (9) according to the mode of screw push-and-pull motion, air cock (3), outer air injection mouth (4), The oil inlet and outlet nozzle (10), the variable cylinder (7), the inner exhaust nozzle (5), the inner injection nozzle (6) and the stirring and heating device (8) are arranged to be distributed according to a stirring and heating mode, case shell (9), outer air cock (3) of arranging, outer air cock (4), business turn over glib talker (10), variable cylinder (7), interior air cock (5) and interior air cock (6) set up to the central line that distributes and screw rod (1) according to length instruction mode with scale (11), the central line of variable cylinder (7), the central line of stirring heating device (8) and the central line setting of case shell (9) are on same straight line, step motor II (82) set up to hookup with case portion (91), driven gear (23) set up to hookup through axis of rotation and case portion (91), step motor I (21) set up to hookup with case portion (91), lower extreme board (73) set up to hookup with case portion (91).
9. A method for manufacturing a standard oil sample for online monitoring of transformer oil chromatography comprises the following steps: the standard oil sample in the variable cylinder (7) is processed in the oil distribution process through a pipeline joint group, the standard oil sample processed in the oil distribution process is conveyed to the transformer oil chromatogram on-line monitoring through the pipeline joint, and the displacement driving force is applied to the variable cylinder (7) through a thrust displacement device, so that the standard oil sample processed in the oil distribution process is output in a positive pressure state.
10. The method for preparing the standard oil sample for the online chromatographic monitoring of the transformer oil as claimed in claim 9, which is characterized in that: the method comprises the following steps: the pressure value of the standard oil sample output processed in the oil distribution process is set to be 10-40kPa,
or, the steps are:
first, standard oil sample discharge process
The outer exhaust nozzle (3) and the outer air injection nozzle (4) are in a closed state, the inlet and outlet nozzle (10) is in an open state, the stepping motor I (21) is started, the stepping motor I (21) drives the driven gear (23) to rotate through the driving gear (22), the rotating shaft of the driven gear (23) drives the threaded pull rod (1) to rotate, the threaded pull rod (1) is made to perform descending motion, the distance between the upper end plate part (72) and the lower end plate part (73) is reduced, the corrugated pipe part (71) is made to contract, and a standard oil sample in the corrugated pipe part (71) is discharged from the inlet and outlet nozzle (10),
second, standard oil sample oiling process
The external air exhaust nozzle (3) and the external air injection nozzle (4) are in a closed state, the oil inlet and outlet nozzle (10) is in an open state, the oil inlet and outlet nozzle (10) is communicated with the filtered oil sample storage tank, the stepping motor I (21) is started, the stepping motor I (21) drives the driven gear (23) to rotate reversely through the driving gear (22), the rotating shaft of the driven gear (23) drives the threaded pull rod (1) to rotate reversely, the threaded pull rod (1) is lifted, the distance between the upper end plate part (72) and the lower end plate part (73) is increased, the corrugated pipe part (71) is expanded, the standard oil sample is injected into the corrugated pipe part (71), the pressure sensor of the sensor group (12) is used for keeping the pressure value of the standard oil sample in the corrugated pipe part (71) at 10-40kPa, the external air exhaust nozzle (3) is in an open state, and the oil inlet and outlet nozzle (10) is in a closed state, starting the stepping motor II (82) to drive the heating pipe part (81) to rotate, stirring the standard oil sample in the corrugated pipe part (71), discharging the gas in the corrugated pipe part (71),
third, oil preparation process of standard oil sample
The external air injection nozzle (3) and the oil inlet and outlet nozzle (10) are in a closed state, the external air injection nozzle (4) is in an open state, standard gas with a fixed volume is injected into the corrugated pipe part (71), the stepping motor I (21) is started, the stepping motor I (21) drives the driven gear (23) to rotate in the forward and reverse directions through the driving gear (22), the rotating shaft of the driven gear (23) drives the threaded pull rod (1) to rotate in the forward and reverse directions, the threaded pull rod (1) is made to move up or down, the distance between the end plate part (72) and the lower end plate part (73) is increased or decreased, the corrugated pipe part (71) is made to expand or contract, the pressure value of the standard oil sample in the corrugated pipe part (71) is kept to be 10-40kPa through the pressure sensor of the sensor group (12), and the standard oil sample in the corrugated pipe part (71) is heated through the heating pipe part (81), keeping the temperature value of the standard oil sample in the bellows part (71) at 48-52 ℃ by a temperature sensor of a sensor group (12), starting a stepping motor II (82), stirring the standard oil sample in the bellows part (71) for 3.5-4.5 hours by a heating pipe part (81), and then carrying out stationary treatment for 11-13 hours,
fourth, standard oil sample oil supply process
Keeping the pressure value of the standard oil sample processed in the oil distribution process in the corrugated pipe part (71) to be 10-40kPa through a pressure sensor of a sensor group (12), communicating the standard oil sample processed in the oil distribution process with a transformer oil chromatogram online monitoring sampling pipe, starting a stepping motor I (21) when the pressure value of the standard oil sample processed in the oil distribution process in the corrugated pipe part (71) is less than 10-40kPa, driving a driven gear (23) to rotate through a driving gear (22) by the stepping motor I (21), driving a threaded pull rod (1) to rotate by a rotating shaft of the driven gear (23), enabling the threaded pull rod (1) to perform descending motion, reducing the distance between an upper end plate part (72) and a lower end plate part (73), enabling the corrugated pipe part (71) to perform contraction again, and keeping the pressure value of the standard oil sample processed in the oil distribution process in the corrugated pipe part (71) to be 10-40kPa .
Technical Field
The invention relates to a standard oil sample manufacturing device and method, in particular to a standard oil sample manufacturing device and method for transformer oil chromatography online monitoring.
Background
The on-line monitoring device for the gas in the transformer oil is important equipment for guaranteeing safe operation of a power transformer, and a standard oil sample needs to be manufactured in the on-line monitoring process of the gas in the transformer oil, so that the manufacturing device and the method for the standard oil sample for the on-line monitoring of the transformer oil chromatogram are important transformer parts, and in the conventional manufacturing device and method for the standard oil sample for the on-line monitoring of the transformer oil chromatogram, a general container is used, but according to part 2 of the DLT 1432.2-2016 transformer equipment on-line monitoring device inspection specification: dissolved gas on-line monitoring in transformer oil "gas on-line monitoring device needs data accuracy test and repeatability test through a plurality of standard oil appearance verification device in the transformer oil, during the experiment, single unit device need carry out 5-8 times to same oil appearance and detect, in order to ensure that data is accurate, the oil appearance that is detected can not arrange back in the storage device of storage standard oil appearance, receive the influence of gas on-line monitoring device single detection oil consumption and detection number of times in the transformer oil, oil appearance in the storage device can be less and less, thereby transformer oil chromatogram on-line monitoring's precision has been influenced.
The technical scheme of the invention is made based on the technical problems, technical features and technical effects in the technical background of the applicant.
Disclosure of Invention
The object of the invention is a standard oil sample manufacturing device for transformer oil chromatogram on-line monitoring,
the invention aims to provide a method for manufacturing a standard oil sample for online monitoring of transformer oil chromatography.
In order to overcome the technical defects, the invention aims to provide a standard oil sample manufacturing device and method for transformer oil chromatographic on-line monitoring, so that the precision of transformer oil chromatographic on-line monitoring is improved.
In order to achieve the purpose, the invention adopts the technical scheme that: a standard oil sample manufacturing device for online monitoring of transformer oil chromatography comprises a variable cylinder for storing a standard oil sample, a pipeline joint group arranged on the variable cylinder and used as a passage for gas and the standard oil sample, and a thrust displacement device arranged on the variable cylinder and used for changing the state of the variable cylinder.
The variable cylinder, the pipeline joint group and the thrust displacement device are designed, the manufactured standard oil sample processed in the oil distribution process is realized through the variable cylinder and the pipeline joint group, the positive pressure output of the standard oil sample processed in the oil distribution process in the variable cylinder is realized through the thrust displacement device, and a common container is not used any more, so that the accuracy of the online monitoring of the transformer oil chromatogram is improved.
The invention designs that a variable cylinder, a pipeline joint group and a thrust displacement device are connected with each other in a mode that a standard oil sample processed in an oil distribution process is communicated with a transformer oil chromatographic on-line monitoring device in a positive pressure state.
The invention designs that the thrust displacement device is connected with the variable cylinder and the pipeline joint group in a mode of ensuring that a standard oil sample processed in the oil distribution process is communicated with the transformer oil chromatographic on-line monitoring in a positive pressure state according to the thread motion.
The invention designs that the pipeline joint group comprises an inner exhaust nozzle, an inner injection nozzle and an oil inlet and outlet nozzle.
The invention designs that the thrust displacement device comprises a threaded pull rod and a rotary power device.
The invention designs the device, which also comprises a first accessory device with an outer air exhaust nozzle, an outer air injection nozzle and a box shell, wherein the first accessory device is respectively connected with a variable cylinder, a pipeline joint group and a thrust displacement device.
The invention also provides a second accessory device with a sensor group, and the second accessory devices are respectively arranged on the variable cylinder.
The invention designs that the device also comprises a third accessory device with a stirring heating device, and the third accessory device is respectively arranged between the variable cylinder and the first accessory device.
The invention designs that the variable cylinder is provided with a first attachment device and a second attachment device with a graduated scale, wherein the first attachment device and the second attachment device are respectively arranged between the variable cylinder and the first attachment device.
The invention designs that a box shell is respectively provided with a rotating power device, an outer exhaust nozzle, an outer air injection nozzle, a variable cylinder and a graduated scale, the variable cylinder is provided with an inner exhaust nozzle, an inner air injection nozzle and a sensor group, a threaded pull rod is arranged between the rotating power device and the variable cylinder, a stirring and heating device and an oil inlet and outlet nozzle are respectively arranged between the variable cylinder and the box shell, the outer air injection nozzle is communicated with the inner exhaust nozzle, and the outer air injection nozzle is communicated with the inner air injection nozzle.
The invention designs that a box shell comprises a box part and rollers, corners of the lower end face of the box part are respectively connected with the rollers, the upper end face of the box part is connected with a rotary power device, the side face of the box part is connected with a graduated scale, the upper end of the side face of the box part is respectively connected with an outer air exhaust nozzle and an outer air injection nozzle, the lower end of the side face of the box part is connected with an oil inlet and outlet nozzle, the lower end face of the box part is respectively connected with a variable cylinder and a stirring and heating device, the box part is a circular cylindrical body, and the rollers are universal wheels.
The invention designs that the variable cylinder is provided with a corrugated pipe part, an upper end plate part and a lower end plate part, the upper end port part of the corrugated pipe part is connected with the upper end plate part, the lower end port part of the corrugated pipe part is connected with the lower end plate part, the upper end plate part is respectively connected with the inner exhaust nozzle, the inner injection nozzle and the sensor group, a T-shaped containing hole body is arranged in the middle part of the upper end plate part, the T-shaped containing hole body of the upper end plate part is connected with the threaded pull rod, the lower end plate part is respectively connected with the stirring and heating device, the box shell and the oil inlet and outlet nozzle, the corrugated pipe part is provided with a metal corrugated pipe, the upper end plate part is provided with a circular sheet body with side scale marks, the side scale marks of the upper end plate part.
The invention designs that an outer exhaust nozzle, an outer injection nozzle, an inner exhaust nozzle and an inner injection nozzle are respectively arranged as pipeline joints, the outer exhaust nozzle and the outer injection nozzle are respectively arranged to be connected with a box shell in an embedded mode, the inner exhaust nozzle and the inner injection nozzle are respectively arranged to be connected with a variable cylinder in an embedded mode, the outer exhaust nozzle is arranged to be connected with the inner exhaust nozzle through a hose, and the outer injection nozzle is arranged to be connected with the inner injection nozzle through a hose.
The invention designs that the oil inlet and outlet nozzles are arranged as pipeline joints and are arranged to be connected with the tank shell in an embedded manner, the inner end of the oil inlet and outlet nozzle is arranged to be connected with the variable cylinder, and the outer end of the oil inlet and outlet nozzle is arranged to extend out of the tank shell.
The invention provides that the sensor group is set to comprise a pressure sensor and a temperature sensor, and the pressure sensor and the temperature sensor are respectively set to be connected with the variable cylinder.
The invention designs that the threaded pull rod is a T-shaped threaded rod, the T-shaped end of the threaded pull rod is connected with the variable cylinder in a sinking mode, and the threaded pull rod is connected with the rotary power device in a threaded mode.
The invention designs that a rotary power device is arranged to comprise a stepping motor I, a driving gear and a driven gear, a shell of the stepping motor I is connected with a box shell, the driven gear is connected with the box shell through a rotating shaft, the driving gear is connected with an end shaft of the stepping motor I, the driven gear is connected with the driving gear in an engagement mode, a threaded hole body is arranged in the rotating shaft of the driven gear connected with the box shell, the threaded hole body of the driven gear connected with the rotating shaft of the box shell is connected with a threaded pull rod,
the invention designs that the stirring and heating device is provided with a heating pipe part and a stepping motor II, the heating pipe part is connected with an end shaft of the stepping motor II, a shell of the stepping motor II is connected with a box shell, the heating pipe part is arranged in a variable cylinder, and the heating pipe part is provided with a spiral electric heating pipe.
The invention designs that the graduated scale is set as a graduated plate scale and is set to be connected with the box shell in an attaching mode, and the graduated scale is set to be distributed corresponding to the variable cylinder.
The invention designs that a box shell, an outer exhaust nozzle, an outer injection nozzle, an oil inlet and outlet nozzle, a variable cylinder, an inner exhaust nozzle, an inner injection nozzle and a sensor group are arranged to be distributed according to a mode of forming a shrinkage storage cavity, the box shell, the outer exhaust nozzle, the outer injection nozzle, the oil inlet and outlet nozzle, the variable cylinder, the inner exhaust nozzle, the inner injection nozzle and the sensor group are arranged to be distributed according to a mode of picking up a standard oil sample state signal value, the box shell, the outer exhaust nozzle, the outer injection nozzle, the oil inlet and outlet nozzle, the variable cylinder, the inner exhaust nozzle, the inner injection nozzle, a threaded pull rod and a rotating power device are arranged to be distributed according to a threaded push-pull motion mode, the box shell, the outer exhaust nozzle, the outer injection nozzle, the variable cylinder, the inner exhaust nozzle and an inner injection nozzle are arranged to be distributed according to a stirring and heating mode, the box shell, the outer exhaust nozzle, the outer injection nozzle, the oil inlet and outlet nozzle, the variable cylinder, the inner The center line of the variable cylinder, the center line of the stirring and heating device and the center line of the box shell are arranged on the same straight line, the stepping motor II is connected with the box part, the driven gear is connected with the box part through the rotating shaft, the stepping motor I is connected with the box part, and the lower end plate part is connected with the box part.
The invention designs a method for manufacturing a standard oil sample for online monitoring of transformer oil chromatography, which comprises the following steps: the standard oil sample in the variable cylinder is processed in the oil distribution process through the pipeline joint group, the standard oil sample processed in the oil distribution process is conveyed to the transformer oil chromatographic on-line monitoring through the pipeline joint, and the displacement driving force is applied to the variable cylinder through the thrust displacement device, so that the standard oil sample processed in the oil distribution process is output in a positive pressure state.
The invention designs that the method comprises the following steps: the pressure value of the standard oil sample output processed in the oil distribution process is set to be 10-40 kPa.
The invention designs that the method comprises the following steps:
first, standard oil sample discharge process
The outer exhaust nozzle and the outer injection nozzle are closed, the oil inlet and outlet nozzle is opened, the step motor I is started, the step motor I drives the driven gear to rotate through the driving gear, the rotating shaft of the driven gear drives the threaded pull rod to rotate, the threaded pull rod is driven to move downwards, the distance between the upper end plate part and the lower end plate part is reduced, the corrugated pipe part is contracted, and the standard oil sample in the corrugated pipe part is discharged from the oil inlet and outlet nozzle,
second, standard oil sample oiling process
The external oil inlet and outlet nozzle and the external filling nozzle are closed, the oil inlet and outlet nozzle is opened, the oil inlet and outlet nozzle is communicated with the filtered oil sample storage tank, the step motor I is started, the step motor I drives the driven gear to rotate reversely through the driving gear, the rotating shaft of the driven gear drives the threaded pull rod to rotate reversely, the threaded pull rod is lifted, the upper end plate part and the lower end plate part are increased in distance, the corrugated pipe part is expanded, the standard oil sample is injected into the corrugated pipe part, the pressure value of the standard oil sample in the corrugated pipe part is kept to be 10-40kPa through the pressure sensor of the sensor group, the external air inlet and outlet nozzle is opened, the oil inlet and outlet nozzle is closed, the step motor II is started, the heating pipe part is driven to rotate, the standard oil sample in the corrugated pipe part is stirred, and gas in the corrugated pipe part is exhausted,
third, oil preparation process of standard oil sample
The method comprises the steps of enabling an outer air injection nozzle and an oil inlet and outlet nozzle to be in a closed state, enabling the outer air injection nozzle to be in an open state, injecting standard gas with a fixed volume into a corrugated pipe part, starting a stepping motor I, enabling the stepping motor I to drive a driven gear to rotate forwards and backwards through a driving gear, enabling a threaded pull rod to rotate forwards and backwards through a rotating shaft of the driven gear to enable the threaded pull rod to move up or down, enabling an end plate part and a lower end plate part to increase or decrease the distance, enabling the corrugated pipe part to expand or contract, keeping the pressure value of a standard oil sample in the corrugated pipe part to be 10-40kPa through a pressure sensor of a sensor group, heating the standard oil sample in the corrugated pipe part through a heating pipe part, keeping the temperature value of the standard oil sample in the corrugated pipe part to be 48-52 ℃ through a temperature sensor of the sensor group, starting a stepping motor II, stirring the standard oil sample in the corrugated, then the still treatment is carried out for 11 to 13 hours,
fourth, standard oil sample oil supply process
The method comprises the steps that a standard oil sample processed in the oil distribution process is kept at a pressure value of 10-40kPa through a pressure sensor of a sensor group, the standard oil sample processed in the oil distribution process in a corrugated pipe portion is communicated with a transformer oil chromatogram online monitoring sampling pipe, when the pressure value of the standard oil sample processed in the oil distribution process in the corrugated pipe portion is smaller than 10-40kPa, a stepping motor I is started, the stepping motor I drives a driven gear to rotate through a driving gear, a rotating shaft of the driven gear drives a threaded pull rod to rotate, the threaded pull rod performs descending motion again, the distance between an upper end plate portion and a lower end plate portion is reduced again, the corrugated pipe portion is contracted again, and the pressure value of the standard oil sample processed in the oil distribution process in the corrugated pipe portion is kept at 10-40 kPa.
The invention has the technical effects that: the device comprises a PLC control box used for acquiring signals and facilitating operation, a threaded pull rod used for accurately controlling the volume of oil storage and micro-positive pressure in a tank body, a stepping motor 1, a gear and a gear; the device comprises an exhaust port and an exhaust port for exhausting waste gas, and a gas injection port for injecting standard gas, wherein the exhaust port and the exhaust port, and the gas injection port are in flexible connection by adopting PU (polyurethane) tubes; the metal corrugated pipe tank body is used for storing the oil sample and can stretch; a spiral heater, heat insulation cotton and a stepping motor are used for heating, heat insulation and slow stirring; the oil inlet and outlet is used for injecting a clean oil sample and providing a standard oil sample for an online monitoring device of gas in oil; a roller for facilitating the movement of the device; the pressure sensor is used for collecting pressure signals inside the metal corrugated pipe tank body; the observation window and the dial for observing the oil storage volume are characterized in that a metal corrugated pipe tank body is made of a metal corrugated pipe with the diameter of 750mm, the tank body is telescopic, the oil storage volume can be adjusted at will, the maximum oil storage volume is 300L, and the observation window and the glass observation window are matched, so that the oil storage volume is convenient to observe. Be furnished with the PLC control box for gather oil tank temperature sensor, pressure sensor signal, be furnished with the PLC control box and rotate according to oil tank pressure sensor signal control step motor, but through gear drive accurate control oil storage volume, and realize the internal pressure-fired that declines of corrugated metal pipe jar: the pressure in the metal corrugated pipe tank body is kept to be 10-40kPa, gas dissolved in an oil sample is prevented from being separated out due to the fact that the interior of the tank body is in a vacuum state, and the spiral heater is designed to heat the oil sample to 50 ℃. Can drive spiral heater by step motor and slow, reciprocal rotation, make the quick dissolved gas of oil appearance and reach the balance, avoid the oil appearance unstability that the gaseous violence of standard dissolved and bring, be furnished with 7 cun liquid crystal touch display screen on the PLC control box. The touch screen is provided with touch buttons for oil inlet, oil discharge, automatic oil distribution, oil supply and the like, and can display parameters such as real-time pressure, temperature, oil quantity and the like in the tank body, the interface is friendly, the operation is simple and convenient, and in order to prevent oil leakage caused in the lifting process of the corrugated pipe, the air outlet and the air outlet, and the air injection port are in flexible connection through PU pipes and are used for acquiring signals and providing convenience for operation; the threaded pull rod, the stepping motor, the gear and the gear are used for accurately controlling the oil storage volume and the micro-positive pressure in the tank body; the device comprises an exhaust port and an exhaust port for exhausting waste gas, and a gas injection port for injecting standard gas, wherein the exhaust port and the exhaust port, and the gas injection port are in flexible connection by adopting PU (polyurethane) tubes; the metal corrugated pipe tank body is used for storing the oil sample and can stretch; a spiral heater, heat insulation cotton and a stepping motor are used for heating, heat insulation and slow stirring; the oil inlet and outlet is used for injecting a clean oil sample and providing a standard oil sample for an online monitoring device of gas in oil; a roller for facilitating the movement of the device; a pressure sensor working process for gathering the internal pressure signal of metal bellows jar: oil discharging process: closing the gas injection port and the gas exhaust port, clicking an oil distribution button on a 7-inch liquid crystal touch display screen on the PLC control box, enabling the equipment to enter an oil discharge process, firstly starting a stepping motor, pushing a threaded pull rod to compress a metal corrugated pipe tank body through gear and gear transmission, discharging a transformer oil sample stored in the metal corrugated pipe tank body from a gas inlet and outlet port until the oil storage capacity reaches the minimum limit, and performing an oil inlet process; and closing the gas injection port and the gas exhaust port, connecting the oil inlet and the oil outlet with white oil (an oil sample filtered by a vacuum filter), selecting the oil inlet amount on a 7-inch liquid crystal touch display screen, clicking an oil inlet button, and enabling the equipment to enter an oil inlet flow. The device starts a stepping motor to pull a threaded pull rod to stretch the metal corrugated pipe tank body to a set oil mass position according to the required oil inlet amount, and a blank oil sample is pumped into the metal corrugated pipe tank body through an oil inlet and an oil outlet until the monitoring value of a pressure sensor of a pressure signal is 0 kPa. Closing the oil inlet and outlet, opening the exhaust port, starting the stepping motor to discharge the waste gas in the metal corrugated pipe tank body, and performing an oil distribution process; and opening the gas injection port to inject standard gas with a certain volume, clicking an automatic oil distribution button on a 7-inch liquid crystal touch display screen, enabling the equipment to enter an automatic oil distribution flow, and starting a stepping motor to compress the metal corrugated pipe tank body to control the internal pressure of the metal corrugated pipe tank body to be 10-40 kPa. Then starting the spiral heater to heat the oil sample, starting the stepping motor to drive the spiral heater to slowly and reciprocally rotate after the oil sample is heated to 50 ℃, so as to realize slow stirring of the oil sample, stopping the stirring action of the stepping motor after 4 hours, standing for 12 hours, and using for oil supply; after the oil sample configuration, with the gaseous on-line monitoring device in the transformer oil receive the oil inlet and outlet, accessible three way connection extension, connect many gaseous on-line monitoring devices in the transformer oil simultaneously, the fuel feeding button on 7 cun liquid crystal touch display screens is clicked, equipment gets into the oil supply flow, through the internal pressure of force sensor real-time supervision metal bellows jar, and make its internal pressure control at 10 ~ 40kPa through the step motor compression jar body, gaseous on-line monitoring device in the transformer oil gets behind the oil, can cause the internal pressure of metal bellows jar to reduce, after pressure is less than 10kPa, the PLC control box starts the step motor compression jar body and makes its internal pressure keep at 10 ~ 40 kPa.
In the technical scheme, the variable cylinder is a basic component and is also an essential technical characteristic of the invention, the threaded pull rod, the rotating power device, the outer air exhaust nozzle, the outer air injection nozzle, the inner air exhaust nozzle, the inner air injection nozzle, the stirring and heating device, the box shell, the oil inlet and outlet nozzle, the graduated scale and the sensor group are functional components and are characteristics for realizing other technical effects of the invention, and the design of the box part, the roller, the corrugated pipe part, the upper end plate part, the lower end plate part, the stepping motor I, the driving gear, the driven gear, the heating pipe part and the stepping motor II is a technical characteristic which accords with the patent law and the implementation rules thereof.
In the technical scheme, the variable cylinder, the pipeline joint group and the thrust displacement device which are communicated in a positive pressure state are used for the online monitoring of the standard oil sample processed in the oil distribution process and the transformer oil chromatogram, the technical field of the standard oil sample manufacturing device and the method for the online monitoring of the transformer oil chromatogram has novelty, creativity and practicability, and the terms in the technical scheme can be explained and understood by the patent documents in the technical field.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Figure 1 is a schematic view of the present invention,
a threaded pull rod-1, a rotary power device-2, an outer exhaust nozzle-3, an outer injection nozzle-4, an inner exhaust nozzle-5, an inner injection nozzle-6, a variable cylinder-7, a stirring and heating device-8, a box shell-9, an oil inlet and outlet nozzle-10, a scale-11, a sensor group-12, a box part-91, a roller-92, a corrugated pipe part-71, an upper end plate part-72, a lower end plate part-73, a lower end plate part-9, a lower end,
A stepping motor I-21, a driving gear-22, a driven gear-23, a heating pipe part-81 and a stepping motor II-82.
Detailed Description
Terms such as "having," "including," and "comprising," as used with respect to the present invention, are to be understood as not specifying the presence or addition of one or more other elements or combinations thereof, in accordance with the examination guidelines.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other, and further, unless otherwise specified, the equipments and materials used in the following examples are commercially available, and if the processing conditions are not explicitly specified, please refer to the commercially available product specifications or follow the conventional method in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A standard oil sample manufacturing device for on-line monitoring of transformer oil chromatography is disclosed, wherein FIG. 1 is a first embodiment of the invention, which is specifically described with reference to the accompanying drawings, and comprises a threaded pull rod 1, a rotary power device 2, an outer exhaust nozzle 3, an outer injection nozzle 4, an inner exhaust nozzle 5, an inner injection nozzle 6, a variable cylinder 7, a stirring and heating device 8, a box shell 9, an oil inlet and outlet nozzle 10, a graduated scale 11 and a sensor group 12, wherein the rotary power device 2, the outer exhaust nozzle 3, the outer injection nozzle 4, the variable cylinder 7 and the graduated scale 11 are respectively arranged on the box shell 9, the inner exhaust nozzle 5, the inner exhaust nozzle 6 and the sensor group 12 are arranged on the variable cylinder 7, the threaded pull rod 1 is arranged between the rotary power device 2 and the variable cylinder 7, the stirring and heating device 8 and the oil inlet and outlet nozzle 10 are respectively arranged between the variable cylinder 7 and the box shell 9, and the outer exhaust nozzle 3 is arranged to be communicated, the outer air injection nozzle 4 is arranged to be communicated with the inner air injection nozzle 6.
In the present embodiment, the
Through
In the present embodiment, variable cylinder 7 is provided to include bellows portion 71, upper end plate portion 72 and lower end plate portion 73 and the upper end port portion of bellows portion 71 is provided to be coupled with upper end plate portion 72, the lower end port portion of bellows portion 71 is provided to be coupled with lower end plate portion 73 and upper end plate portion 72 is provided to be coupled with
Through variable cylinder 7, formed pair screw thread pull rod 1, interior
In this embodiment, outer exhaust mouth 3, outer
Through outer exhaust mouth 3, outer
In the present embodiment, the oil inlet and
Through business turn over glib 10, formed the support tie point to a variable cylinder 7 and
In the present embodiment, the
Through
In the present embodiment, the threaded rod 1 is configured as a T-shaped threaded rod and the T-shaped end of the threaded rod 1 is configured to be in a sunk connection with the variable cylinder 7, and the threaded rod 1 is configured to be in a threaded connection with the rotary power unit 2.
Through screw thread pull rod 1, formed the support tie point to variable cylinder 7 and rotation power device 2, by screw thread pull rod 1, realized being connected with variable cylinder 7, realized being connected with rotation power device 2, its technical aim at: for expanding or accommodating the variable cylinder 7.
In the present embodiment, the rotary power unit 2 is configured to include a stepping motor i 21, a
through rotating power device 2, formed the support tie point to screw thread pull rod 1 and
In the present embodiment, the agitation heating apparatus 8 is provided as a
Through stirring heating device 8, formed the support tie point to variable cylinder 7 and
In the present embodiment, the graduated
Through
In the present embodiment, the casing 9, the outer discharge nozzle 3, the outer injection nozzle 4, the oil inlet/outlet nozzle 10, the variable cylinder 7, the inner discharge nozzle 5, the inner injection nozzle 6, and the sensor group 12 are arranged to be distributed in such a manner as to form a shrinkage storage cavity, and the casing 9, the outer discharge nozzle 3, the outer injection nozzle 4, the oil inlet/outlet nozzle 10, the variable cylinder 7, the inner discharge nozzle 5, the inner injection nozzle 6, and the sensor group 12 are arranged to be distributed in such a manner as to pick up a standard oil sample state signal value, the casing 9, the outer discharge nozzle 3, the outer injection nozzle 4, the oil inlet/outlet nozzle 10, the variable cylinder 7, the inner discharge nozzle 5, the inner injection nozzle 6, the thread pull rod 1, and the rotation power device 2 are arranged to be distributed in such a manner as to be moved in a thread push-and-pull manner, and the casing 9, the outer discharge nozzle 3, the outer injection nozzle 4, the oil inlet/outlet, case shell 9, outer air injection mouth 3, outer air injection mouth 4, business turn over glib talker 10, variable cylinder 7, interior air exhaust mouth 5 and interior air injection mouth 6 set up to distribute and the central line of screw pull rod 1 according to the mode of length indication with scale 11, the central line of variable cylinder 7, the central line of stirring heating device 8 and the central line setting of case shell 9 are on same straight line, step motor II 82 sets up to hookup with case portion 91, driven gear 23 sets up to hookup with case portion 91 through the axis of rotation, step motor I21 sets up to hookup with case portion 91, lower extreme board 73 sets up to hookup with case portion 91.
In the second embodiment of the invention, the variable cylinder 7, the pipeline joint group and the thrust displacement device are mutually connected in a mode that the standard oil sample treated in the oil distribution process is communicated with the transformer oil chromatographic on-line monitoring in a positive pressure state.
In this embodiment, the thrust displacement device is coupled to the variable cylinder 7 and the pipe joint set in such a manner that the threaded movement ensures that the standard oil sample processed in the oil distribution process is communicated with the transformer oil chromatography online monitoring in a positive pressure state.
In this embodiment, the pipe joint set is configured to include an
In the present embodiment, the thrust displacement device is configured to include a threaded pull rod 1 and a rotational power device 2.
In this embodiment, a first attachment means having an outer nozzle 3, an
In the present embodiment, a second attachment device having a
In this embodiment, a third attachment device with stirring and heating means 8 is also included and is arranged between the variable cylinder 7 and the first attachment device, respectively.
In this embodiment, a fourth attachment device with a
A second embodiment of the invention is based on the first embodiment,
the invention is further described below with reference to the following examples, which are intended to illustrate the invention but not to limit it further.
A method for preparing a standard oil sample for on-line monitoring of transformer oil chromatography, according to a first embodiment of the invention, comprises the following steps:
first, standard oil sample discharge process
The outer exhaust nozzle 3 and the outer
second, standard oil sample oiling process
The external air exhaust nozzle 3 and the external
third, oil preparation process of standard oil sample
The outer gas injection nozzle 3 and the inlet and
fourth, standard oil sample oil supply process
The standard oil sample processed by the oil distribution process is kept at a pressure value of 10-40kPa in the bellows part 71 through a pressure sensor of the
The second embodiment of the present invention comprises the following steps:
first, standard oil sample discharge process
The outer exhaust nozzle 3 and the outer
second, standard oil sample oiling process
The external air exhaust nozzle 3 and the external
third, oil preparation process of standard oil sample
The external air injection nozzle 3 and the oil inlet and
fourth, standard oil sample oil supply process
The method comprises the steps of keeping the pressure value of a standard oil sample processed in the oil distribution process in a bellows part 71 to be 10kPa through a pressure sensor of a
In a third embodiment of the present invention, the steps are:
first, standard oil sample discharge process
The outer exhaust nozzle 3 and the outer
second, standard oil sample oiling process
The external air exhaust nozzle 3 and the external
third, oil preparation process of standard oil sample
The external air injection nozzle 3 and the oil inlet and
fourth, standard oil sample oil supply process
The method comprises the steps of keeping the pressure value of a standard oil sample processed in the oil distribution process in a bellows part 71 to be 40kPa through a pressure sensor of a
In a third embodiment of the present invention, the steps are:
first, standard oil sample discharge process
The outer exhaust nozzle 3 and the outer
second, standard oil sample oiling process
The external air exhaust nozzle 3 and the external
third, oil preparation process of standard oil sample
The external air injection nozzle 3 and the oil inlet and
fourth, standard oil sample oil supply process
Keeping the pressure value of the standard oil sample processed in the oil distribution process in the bellows part 71 to be 10-40kPa through a pressure sensor of a
The invention has the following characteristics:
1. due to the design of the variable cylinder 7, the pipeline joint group and the thrust displacement device, the manufactured standard oil sample processed in the oil distribution process is realized through the variable cylinder 7 and the pipeline joint group, the positive pressure output of the standard oil sample processed in the variable cylinder 7 in the oil distribution process is realized through the thrust displacement device, and a common container is not used any more, so that the accuracy of the online monitoring of the transformer oil chromatogram is improved.
2. Because the
3. Due to the design of the threaded pull rod 1 and the rotary power device 2, threaded displacement motion is realized.
4. Because outer air injection mouth 3, outer
5. Due to the design of the
6. Due to the design of the stirring and heating device 8, the treatment effect of the oil distribution process in the variable cylinder 7 is improved.
7. Due to the design of the graduated
8. Because the structural shape is limited by the numerical range, the numerical range is the technical characteristic of the technical scheme of the invention, and is not the technical characteristic obtained by formula calculation or limited tests, and tests show that the technical characteristic of the numerical range achieves good technical effect.
9. Due to the design of the technical characteristics of the invention, tests show that each performance index of the invention is at least 1.7 times of the existing performance index under the action of the single and mutual combination of the technical characteristics, and the invention has good market value through evaluation.
Still other technical features associated with the variable cylinder 7, the pipe joint set and the thrust displacement device which communicate the standard oil sample processed by the oil distribution process with the on-line monitoring of the transformer oil chromatogram in a positive pressure state are all one of the embodiments of the present invention, and the technical features of the above-mentioned embodiments can be arbitrarily combined, and in order to meet the requirements of patent laws, patent implementation rules and examination guidelines, all possible combinations of the technical features of the above-mentioned embodiments will not be described.
The above embodiment is only one implementation form of the standard oil sample manufacturing device and method for online monitoring of transformer oil chromatography provided by the present invention, and it is within the protection scope of the present invention to add or reduce components or steps therein according to other variations of the scheme provided by the present invention, or to apply the present invention to other technical fields close to the present invention.
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