CN114264796A - Gas detection device, control system and control method in transformer oil - Google Patents
Gas detection device, control system and control method in transformer oil Download PDFInfo
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- 239000007789 gas Substances 0.000 claims description 84
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Abstract
The invention discloses a transformer oil gas detection device, a control system and a control method, and relates to the technical field of transformers. According to the transformer oil gas detection device, the control system and the control method, the oil-gas separation mechanism is arranged, the oil filter plate is used for carrying out primary oil-gas separation, the driving motor is used for driving the driving rotating shaft to rotate, the separation plate on the surface of the oil falling pipe is used for carrying out secondary oil-gas separation, so that sufficient oil-gas separation before detection can be realized, the influence on subsequent detection data is reduced, and meanwhile, oil return of oil liquid can be realized through the oil return pump, so that the waste of resources is avoided.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a transformer oil gas detection device, a control system and a control method.
Background
A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: the transformer is basic equipment for power transmission and distribution, and is widely applied to the fields of industry, agriculture, traffic, urban communities and the like, the loss of the transformer accounts for about 40% of the power loss of power transmission and distribution, the transformer has great energy-saving potential, and the transformer can be popularized and applied for accelerating high-efficiency energy-saving transformers, improving the utilization efficiency of energy resources, and promoting green low-carbon and high-quality development.
The existing transformer oil gas detection process often has the following problems:
1. after the oil of the transformer is led out for detection, the oil contained in the gas can cause the damage of a detection device and influence the detection data result;
2. incomplete separation still exists after the separation, and meanwhile, the filter screen after the separation cannot be cleaned and replaced, so that the data are influenced during the next detection;
3. the oil liquid guided out can not return to the transformer after being separated, so that the problem of oil liquid waste is solved.
Therefore, the invention provides a gas detection device, a control system and a control method in transformer oil.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a gas detection device, a control system and a control method in transformer oil, and solves the problems that in the existing gas detection process in the transformer oil, the detection result is influenced because oil is not separated or is incompletely separated, the separated filter screen cannot be cleaned in time, and the separated oil is not recycled, so that waste is caused.
In order to achieve the purpose, the invention is realized by the following technical scheme: a transformer oil gas detection device and a control system comprise a control box, wherein the bottom of the control box is fixedly connected with a support, the surface of the control box is electrically connected with a signal display lamp, the inside of the control box is fixedly provided with an oil return tank, one side of the oil return tank is provided with an oil return unit, the top of the oil return tank is communicated with a separation tank through an oil return pipe, the inside of the separation tank is provided with an oil-gas separation mechanism, the oil-gas separation mechanism comprises a driving motor, an oil inlet pipe and an air outlet pipe which are communicated with the separation tank, one end of the air outlet pipe is provided with a detection unit, the surface of the oil inlet pipe is provided with a filter plate dismounting mechanism, the driving motor is fixedly arranged at the top of the separation tank, one end of an output shaft of the driving motor is fixedly connected with a driving rotating shaft through a coupler, and the bottom end of the driving rotating shaft penetrates and extends to the inside of the separation tank, an oil dropping pipe is fixedly connected to the bottom end of the driving rotating shaft, a separating plate is fixedly connected to the surface of the oil dropping pipe, the surface of the separating plate is in contact with the inner wall of the separating tank, a through groove is formed in the surface of the oil dropping pipe and between the connecting positions of the separating plates, an oil baffle plate is fixedly mounted in the separating tank and at the bottom of the separating plate, the filter plate disassembling mechanism comprises an oil filtering plate and a connecting plate, a filter screen is fixedly mounted in the oil filtering plate, protruding blocks are fixedly connected to two sides of the oil filtering plate, a groove is formed in the inner surface of the oil inlet pipe, the protruding blocks are in surface sliding connection with the groove, a placing groove is formed in one side of the groove, the inner surface of the placing groove enables the supporting rod to move through a resetting component, a clamping block is fixedly connected to one end of the supporting rod, a clamping groove is formed in the surface of the protruding blocks, and the surface of the clamping block is in sliding connection with the inner surface of the clamping groove, one end of the supporting rod is fixedly connected with one side of the connecting plate, and the surface of the connecting plate is fixedly connected with a pulling handle.
Preferably, the reset assembly comprises a limiting plate fixedly installed inside the placing groove, the surface of the supporting rod is fixedly connected with a baffle, the baffle is connected with the inner surface of the placing groove in a sliding mode, the limiting plate and the surface of the supporting rod slide in a penetrating mode, and a reset spring is fixedly connected between the opposite sides of the baffle and the limiting plate.
Preferably, including the detection case in the detecting element, one side of detection case and one side intercommunication of outlet duct, the bottom fixed mounting of detection case has vice moving motor, the vice moving shaft of shaft coupling fixedly connected with is passed through to the one end of vice moving motor output shaft, the top fixedly connected with power fan of vice moving shaft, the top fixed mounting of detection case inner chamber has the data detection ware, the data detection ware passes through control system control.
Preferably, the oil return unit comprises a shell and an oil return pump, the shell is fixedly installed at the bottom of the inner cavity of the control box, the oil return pump is fixedly installed on the inner wall of the shell, and an oil inlet of the oil return pump is communicated with a first transmission pipe.
Preferably, one end of the first transmission pipe penetrates through the shell and is communicated with the oil return tank, an oil outlet of the oil return pump is communicated with a second transmission pipe, and one end of the second transmission pipe penetrates through the shell and is communicated with an oil return end of the transformer.
Preferably, the control system comprises a data acquisition module, a data central processing unit, a data processing module and a data sending module, wherein the output end of the data acquisition module is connected with the input end of the data central processing unit, the output end of the data central processing unit is connected with the input end of the data processing module, and the output end of the data processing module is connected with the input end of the data sending module.
Preferably, the data processing module comprises a data input unit, a data analysis unit, a data classification unit, a data comparison unit, a data output unit, an early warning notification unit and a gas numerical value proportion database, the output end of the data input unit is connected with the input end of the data analysis unit, and the output end of the data analysis unit is connected with the input end of the data classification unit.
Preferably, the output end of the data classification unit is connected with the input end of the data comparison unit, the output end of the data comparison unit is connected with the input ends of the data output unit and the early warning notification unit, and the output end of the gas numerical value proportion database is connected with the input end of the data comparison unit.
The invention also discloses a control method of the gas detection device in the transformer oil, which comprises the following steps:
s1, oil-gas separation: firstly, oil gas is primarily separated through a filter screen, a driving motor is started to drive a driving rotating shaft and an oil dropping pipe to rotate, so that oil gas is separated again through a separating plate, oil liquid falls into an oil return tank through a through groove at the oil dropping pipe and is conveyed back to a transformer through an oil return pump, and meanwhile, separated gas is conveyed into a detection box for detection;
when the filter screen needs to be cleaned and replaced, the handle is pulled to enable the connecting plate to drive the supporting rod to move, the baffle plate is driven to compress the return spring, the clamping block is separated from the clamping groove, the oil filter plate can be separated from the oil inlet pipe, and installation can be completed through reverse operation;
s2, gas detection: the auxiliary motor is started, and is used for driving the auxiliary rotating shaft and the power fan to rotate, so that the separated gas is transmitted to the data detector for extraction and detection, and the detected data is transmitted to the control system;
s3, data processing: the detected data are transmitted to the data processing module for processing, the data analysis unit and the data classification unit are used for dividing the data of different gases, the data are compared through the data comparison unit, and the compared data are transmitted to the outside through the data output unit.
Preferably, the data comparison unit in S3 compares the acquired data with the data in the gas value ratio database, and if the acquired data is less than or equal to the data in the gas value ratio database, the data can be used normally, and if the acquired data is less than or equal to the data in the gas value ratio database, the early warning notification unit needs to notify and deal with the problem.
Advantageous effects
The invention provides a gas detection device, a gas detection control system and a gas detection control method for transformer oil. Compared with the prior art, the method has the following beneficial effects:
(1) the oil-gas separation mechanism is arranged, oil-gas separation is carried out once by the oil filter plate, the driving motor is used for driving the rotating shaft to rotate, secondary oil-gas separation is carried out by the separation plate on the surface of the oil falling pipe, and therefore sufficient oil-gas separation before detection can be achieved, the influence on subsequent detection data is reduced, oil return of oil can be achieved through the oil return pump, and waste of resources is avoided.
(2) The transformer oil gas detection device, the control system and the control method have the advantages that the filter plate disassembling mechanism is arranged, the pulling handle is utilized, the connecting plate drives the supporting rod to move, the baffle plate is not only driven to compress the reset spring, but also the clamping block is separated from the clamping groove, the separation of the oil filter plate from the oil inlet pipe can be completed, the oil filter plate can be cleaned and replaced, the separation degree is improved, and the problem of influence on the result of next detection is solved.
(3) This transformer oil gas detection device, control system and control method, through being provided with control system, handle in data transmission to the data processing module that will detect, utilize data analysis unit and data classification unit to divide the data of different gases, and compare the unit through data and carry out the contrast of data, the data that will contrast the completion pass through data output unit and outwards transmit, the result that with this can detect out data is compared, thereby know in advance whether there is the problem, and timely processing of carrying out the problem, the production of accident has been avoided.
Drawings
FIG. 1 is an external perspective view of the present invention;
FIG. 2 is a perspective view of the interior of the present invention;
FIG. 3 is an exploded perspective view of the oil-gas separation mechanism of the present invention;
FIG. 4 is an exploded perspective view of the filter plate removing mechanism of the present invention;
FIG. 5 is an enlarged view of a portion of the structure of FIG. 4;
FIG. 6 is a perspective sectional view of the detecting unit of the present invention;
FIG. 7 is a perspective sectional view of an oil return unit according to the present invention;
FIG. 8 is a functional block diagram of the control system of the present invention;
FIG. 9 is a functional block diagram of a data processing module of the present invention;
FIG. 10 is a process flow diagram of the control method of the present invention.
In the figure: 1-control box, 2-bracket, 3-signal display lamp, 4-oil return tank, 5-oil return unit, 51-shell, 52-oil return pump, 53-first transmission pipe, 54-second transmission pipe, 6-oil return pipe, 7-separating tank, 8-separating mechanism, 81-driving motor, 82-oil inlet pipe, 83-air outlet pipe, 84-detecting unit, 84-1-detecting box, 84-2-auxiliary motor, 84-3-auxiliary rotating shaft, 84-4-power fan, 84-5-data detector, 84-6-control system, 84-61-data acquisition module, 84-62-data central processor, 84-63-data processing module, and, 84-631-data input unit, 84-632-data analysis unit, 84-633-data classification unit, 84-634-data comparison unit, 84-635-data output unit, 84-636-early warning notification unit, 84-637-gas numerical value proportion database, 84-64-data sending module, 85-filter plate disassembly mechanism, 85-1-oil filter plate, 85-2-connecting plate, 85-3-filter screen, 85-4-lug, 85-5-groove, 85-6-placing groove, 85-7-reset component, 85-71-limiting plate, 85-72-baffle, 85-73-reset spring, 85-8-support rod, 85-9-clamping block, 85-10-clamping groove, 85-11-pulling handle, 86-driving rotating shaft, 87-oil dropping pipe, 88-separating plate, 89-through groove and 810-oil baffle plate.
Detailed Description
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.
Referring to fig. 1-5, the present invention provides a technical solution: a transformer oil gas detection device and a control system comprise a control box 1, wherein the bottom of the control box 1 is fixedly connected with a support 2, the surface of the control box 1 is electrically connected with a signal display lamp 3, the signal display lamp 3 is used for displaying the comparison result of data comparison units 84-634, an oil return tank 4 is fixedly arranged inside the control box 1, an oil return unit 5 is arranged on one side of the oil return tank 4, the top of the oil return tank 4 is communicated with a separation tank 7 through an oil return pipe 6, an oil-gas separation mechanism 8 is arranged inside the separation tank 7, the oil-gas separation mechanism 8 comprises a driving motor 81, an oil inlet pipe 82 and an air outlet pipe 83 which are communicated with the separation tank 7, the driving motor 81 is a three-phase asynchronous motor, the driving motor 81 is electrically connected with an external power supply, one end of the air outlet pipe 83 is provided with a detection unit 84, and the surface of the oil inlet pipe 82 is provided with a filter plate dismounting mechanism 85, the driving motor 81 is fixedly installed at the top of the separation tank 7, one end of an output shaft of the driving motor 81 is fixedly connected with a driving rotating shaft 86 through a coupler, the bottom end of the driving rotating shaft 86 penetrates and extends into the separation tank 7, the bottom end of the driving rotating shaft 86 is fixedly connected with an oil dropping pipe 87, the surface of the oil dropping pipe 87 is fixedly connected with a separation plate 88, the separation plate 88 is used for separating oil and gas, the oil is transmitted into the oil return tank 4 through the oil dropping pipe 87, the gas is transmitted into the detection box 84-1 through the gas outlet pipe 83, the surface of the separation plate 88 is in contact with the inner wall of the separation tank 7, a through groove 89 is formed in the surface of the oil dropping pipe 87 and positioned between the connection positions of the separation plate 88, the through groove 89 is convenient for the oil to pass through, an oil baffle plate 810 is fixedly installed in the separation tank 7 of the through groove 89 and positioned at the bottom of the separation plate 88, and the oil-gas separation mechanism 8 is arranged, the oil-gas separation is carried out for one time by using the oil filter plate 85-1, the driving motor 81 is used for driving the driving rotating shaft 86 to rotate, so that the separation plate 88 on the surface of the oil dropping pipe 87 is subjected to secondary oil-gas separation, the oil-gas full separation before detection can be realized, the influence on subsequent detection data is reduced, meanwhile, the oil return use of oil can be realized by the oil return pump 52, the waste of resources is avoided, the filter plate disassembling mechanism 85 comprises the oil filter plate 85-1 and the connecting plate 85-2, the filter screen 85-3 is fixedly arranged in the oil filter plate 85-1, the filter screen 85-3 is used for removing the oil, the convex blocks 85-4 are fixedly connected to the two sides of the oil filter plate 85-1, the convex blocks 85-4 are in sliding clamping connection with the grooves 85-5, the grooves 85-5 are formed in the inner surface of the oil inlet pipe 82, the lug 85-4 is connected with the surface of the groove 85-5 in a sliding manner, one side of the groove 85-5 is provided with a placing groove 85-6, the inner surface of the placing groove 85-6 enables the supporting rod 85-8 to move through a reset component 85-7, the reset component 85-7 comprises a limiting plate 85-71 fixedly arranged inside the placing groove 85-6, the surface of the supporting rod 85-8 is fixedly connected with a baffle 85-72, the baffle 85-72 is connected with the inner surface of the placing groove 85-6 in a sliding manner, the limiting plate 85-71 slides through the surface of the supporting rod 85-8, a reset spring 85-73 is fixedly connected between the baffle 85-72 and the opposite side of the limiting plate 85-71, one end of the supporting rod 85-8 is fixedly connected with a clamping block 85-9, and the clamping block 85-9 is clamped with the clamping groove 85-10 in a sliding manner, the surface of the convex block 85-4 is provided with a clamping groove 85-10, the surface of the clamping block 85-9 is connected with the inner surface of the clamping groove 85-10 in a sliding way, one end of a supporting rod 85-8 is fixedly connected with one side of a connecting plate 85-2, the surface of the connecting plate 85-2 is fixedly connected with a pulling handle 85-11, by arranging the filter plate disassembling mechanism 85 and pulling the handle 85-11, the connecting plate 85-2 drives the supporting rod 85-8 to move, thereby not only driving the baffle 85-72 to compress the return spring 85-73, but also separating the clamping block 85-9 from the clamping groove 85-10, the separation of the oil filter plate 85-1 from the oil inlet pipe 82 can be completed, the cleaning and the replacement of the oil filter plate 85-1 can be realized, therefore, the separation degree is improved, and the problem of influence on the result of the next detection is avoided.
Referring to fig. 6, the detection unit 84 includes a detection box 84-1, one side of the detection box 84-1 is communicated with one side of the air outlet pipe 83, the bottom of the detection box 84-1 is fixedly provided with an auxiliary motor 84-2, the auxiliary motor 84-2 is a three-phase asynchronous motor, the auxiliary motor 84-2 is electrically connected with an external power supply, one end of an output shaft of the auxiliary motor 84-2 is fixedly connected with an auxiliary rotating shaft 84-3 through a coupler, the top end of the auxiliary rotating shaft 84-3 is fixedly connected with a power fan 84-4, the top of an inner cavity of the detection box 84-1 is fixedly provided with a data detector 84-5, the data detector 84-5 is electrically connected with the external power supply and is used for collecting and detecting gas, and transmits the data to the control system 84-6, the data detector 84-5 being controlled by the control system 84-6.
Referring to fig. 7, the oil return unit 5 includes a housing 51 and an oil return pump 52, the oil return pump 52 is electrically connected to an external power supply, the housing 51 is fixedly installed at the bottom of an inner cavity of the control box 1, the oil return pump 52 is fixedly installed on an inner wall of the housing 51, an oil inlet of the oil return pump 52 is communicated with a first transmission pipe 53, one end of the first transmission pipe 53 penetrates through the housing 51 and is communicated with the oil return tank 4, an oil outlet of the oil return pump 52 is communicated with a second transmission pipe 54, and one end of the second transmission pipe 54 penetrates through the housing 51 and is communicated with an oil return end of the transformer.
Referring to fig. 8-9, the control system 84-6 includes a data acquisition module 84-61, a data central processing unit 84-62, a data processing module 84-63 and a data sending module 84-64, an output terminal of the data acquisition module 84-61 is connected with an input terminal of the data central processing unit 84-62, an output terminal of the data central processing unit 84-62 is connected with an input terminal of the data processing module 84-63, an output terminal of the data processing module 84-63 is connected with an input terminal of the data sending module 84-64, the data processing module 84-63 includes a data input unit 84-631, a data analysis unit 84-632, a data classification unit 84-633, a data comparison unit 84-634, a data output unit 84-635, an early warning notification unit 84-636 and a gas value ratio database 84-637, the output end of the data input unit 84-631 is connected with the input end of the data analysis unit 84-632, the output end of the data analysis unit 84-632 is connected with the input end of the data classification unit 84-633, the output end of the data classification unit 84-633 is connected with the input end of the data comparison unit 84-634, the output end of the data comparison unit 84-634 is connected with the input end of the data output unit 84-635 and the input end of the early warning notification unit 84-636, the output end of the gas numerical value proportion database 84-637 is connected with the input end of the data comparison unit 84-634, the detected data is transmitted to the data processing module 84-63 for processing by the control system 84-6, the data of different gases is divided by the data analysis unit 84-632 and the data classification unit 84-633, and the data comparison is carried out through the data comparison units 84-634, and the compared data is transmitted outwards through the data output units 84-635, so that the result of the data can be detected and compared, whether the problem exists is known in advance, the problem is timely processed, and the accident is avoided.
Referring to fig. 10, the present invention further discloses a control method of the gas detection device in transformer oil, which specifically includes the following steps:
s1, oil-gas separation: firstly, oil gas is primarily separated through a filter screen 85-3, a driving motor 81 is started to drive a driving rotating shaft 86 and an oil dropping pipe 87 to rotate, oil gas is separated again through a separating plate 88, oil liquid falls into an oil return tank 4 through a through groove 89 at the oil dropping pipe 87 and is conveyed back to a transformer through an oil return pump 52, and meanwhile, separated gas is conveyed into a detection box 84-1 for detection;
when the filter screen 85-3 needs to be cleaned and replaced, the handle 85-11 is pulled to drive the connecting plate 85-2 to drive the supporting rod 85-8 to move, so that the baffle 85-72 is driven to compress the return spring 85-73, the clamping block 85-9 is separated from the clamping groove 85-10, the separation of the oil filter plate 85-1 from the oil inlet pipe 82 can be completed, and the installation can be completed through reverse operation;
s2, gas detection: by starting the auxiliary motor 84-2, the auxiliary motor 84-2 is utilized to drive the auxiliary rotating shaft 84-3 and the power fan 84-4 to rotate, so that the separated gas is transmitted to the data detector 84-5 for extraction and detection, and the detected data is transmitted to the control system 84-6;
s3, data processing: the detected data are transmitted to the data processing module 84-63 for processing, the data of different gases are divided by the data analysis unit 84-632 and the data classification unit 84-633, the data are compared by the data comparison unit 84-634, and the compared data are transmitted to the outside by the data output unit 84-635.
In the embodiment of the present invention, the data comparison units 84 to 634 in S3 compare the collected data with the data in the gas value ratio databases 84 to 637, and if the collected data is less than or equal to the data in the gas value ratio databases 84 to 637, the data can be used normally, and if the collected data is less than or equal to the data in the gas value ratio databases 84 to 637, the data needs to be notified and processed by the warning notification units 84 to 636.
And those not described in detail in this specification are well within the skill of those in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a gas detection device, control system in transformer oil, includes control box (1), the bottom fixedly connected with support (2) of control box (1), and the surperficial electric connection of control box (1) has signal display lamp (3), its characterized in that: an oil return tank (4) is fixedly mounted inside the control box (1), an oil return unit (5) is arranged on one side of the oil return tank (4), the top of the oil return tank (4) is communicated with a separation tank (7) through an oil return pipe (6), and an oil-gas separation mechanism (8) is arranged inside the separation tank (7);
the oil-gas separation mechanism (8) comprises a driving motor (81), an oil inlet pipe (82) and an air outlet pipe (83) which are communicated with the separation tank (7), a detection unit (84) is arranged at one end of the air outlet pipe (83), a filter plate dismounting mechanism (85) is arranged on the surface of the oil inlet pipe (82), the driving motor (81) is fixedly installed at the top of the separation tank (7), one end of an output shaft of the driving motor (81) is fixedly connected with a driving rotating shaft (86) through a coupler, the bottom end of the driving rotating shaft (86) penetrates through the separation tank (7), an oil falling pipe (87) is fixedly connected with the bottom end of the driving rotating shaft (86), a separation plate (88) is fixedly connected with the surface of the oil falling pipe (87), the surface of the separation plate (88) is in contact with the inner wall of the separation tank (7), a through groove (89) is formed between the surface of the oil falling pipe (87) and the connection position of the separation plate (88), an oil baffle plate (810) is fixedly arranged inside the separation tank (7) and at the bottom of the separation plate (88);
the filter plate disassembling mechanism (85) comprises an oil filter plate (85-1) and a connecting plate (85-2), a filter screen (85-3) is fixedly installed inside the oil filter plate (85-1), bumps (85-4) are fixedly connected to two sides of the oil filter plate (85-1), a groove (85-5) is formed in the inner surface of the oil inlet pipe (82), the bump (85-4) is in sliding connection with the surface of the groove (85-5), a placing groove (85-6) is formed in one side of the groove (85-5), the inner surface of the placing groove (85-6) enables a supporting rod (85-8) to move through a resetting component (85-7), a clamping block (85-9) is fixedly connected to one end of the supporting rod (85-8), and a clamping groove (85-10) is formed in the surface of the bump (85-4), the surface of the clamping block (85-9) is in sliding connection with the inner surface of the clamping groove (85-10), one end of the supporting rod (85-8) is fixedly connected with one side of the connecting plate (85-2), and the surface of the connecting plate (85-2) is fixedly connected with a pulling handle (85-11).
2. The transformer oil gas detection device and control system as claimed in claim 1, wherein: the reset assembly (85-7) comprises a limit plate (85-71) fixedly installed inside the placement groove (85-6), the surface of the support rod (85-8) is fixedly connected with a baffle (85-72), the baffle (85-72) is in sliding connection with the inner surface of the placement groove (85-6), the limit plate (85-71) and the surface of the support rod (85-8) slide in a penetrating mode, and a reset spring (85-73) is fixedly connected between the opposite sides of the baffle (85-72) and the limit plate (85-71).
3. The transformer oil gas detection device and control system as claimed in claim 1, wherein: the detection device is characterized in that the detection unit (84) comprises a detection box (84-1), one side of the detection box (84-1) is communicated with one side of an air outlet pipe (83), an auxiliary moving motor (84-2) is fixedly mounted at the bottom of the detection box (84-1), one end of an output shaft of the auxiliary moving motor (84-2) is fixedly connected with an auxiliary moving rotating shaft (84-3) through a coupler, the top end of the auxiliary moving rotating shaft (84-3) is fixedly connected with a power fan (84-4), a data detector (84-5) is fixedly mounted at the top of an inner cavity of the detection box (84-1), and the data detector (84-5) is controlled through a control system (84-6).
4. The transformer oil gas detection device and control system as claimed in claim 1, wherein: the oil return unit (5) comprises a shell (51) and an oil return pump (52), the shell (51) is fixedly installed at the bottom of an inner cavity of the control box (1), the oil return pump (52) is fixedly installed on the inner wall of the shell (51), and an oil inlet of the oil return pump (52) is communicated with a first transmission pipe (53).
5. The transformer oil gas detection device and control system as claimed in claim 4, wherein: one end of the first transmission pipe (53) penetrates through the shell (51) and is communicated with the oil return tank (4), an oil outlet of the oil return pump (52) is communicated with a second transmission pipe (54), and one end of the second transmission pipe (54) penetrates through the shell (51) and is communicated with an oil return end of the transformer.
6. The transformer oil gas detection device and control system as claimed in claim 3, wherein: the control system (84-6) comprises a data acquisition module (84-61), a data central processing unit (84-62), a data processing module (84-63) and a data sending module (84-64), the output end of the data acquisition module (84-61) is connected with the input end of the data central processing unit (84-62), the output end of the data central processing unit (84-62) is connected with the input end of the data processing module (84-63), and the output end of the data processing module (84-63) is connected with the input end of the data sending module (84-64).
7. The transformer oil gas detection device and control system as claimed in claim 6, wherein: the data processing module (84-63) comprises a data input unit (84-631), a data analysis unit (84-632), a data classification unit (84-633), a data comparison unit (84-634), a data output unit (84-635), an early warning notification unit (84-636) and a gas numerical value proportion database (84-637), wherein the output end of the data input unit (84-631) is connected with the input end of the data analysis unit (84-632), and the output end of the data analysis unit (84-632) is connected with the input end of the data classification unit (84-633).
8. The transformer oil gas detection device and control system as claimed in claim 6, wherein: the output end of the data classification unit (84-633) is connected with the input end of the data comparison unit (84-634), the output end of the data comparison unit (84-634) is connected with the input ends of the data output unit (84-635) and the early warning notification unit (84-636), and the output end of the gas numerical value proportion database (84-637) is connected with the input end of the data comparison unit (84-634).
9. A control method of a gas detection device in transformer oil is characterized in that: the method specifically comprises the following steps:
s1, oil-gas separation: firstly, oil gas is primarily separated through a filter screen (85-3), a driving motor (81) is started to drive a driving rotating shaft (86) and an oil dropping pipe (87) to rotate, so that oil gas is separated again through a separating plate (88), oil liquid falls into an oil return tank (4) through a through groove (89) in the oil dropping pipe (87), the oil liquid is conveyed back to a transformer through an oil return pump (52), and meanwhile, separated gas is conveyed into a detection box (84-1) for detection;
when the filter screen (85-3) needs to be cleaned and replaced, the handle (85-11) is pulled to drive the connecting plate (85-2) to drive the supporting rod (85-8) to move, so that the baffle (85-72) is driven to compress the return spring (85-73), the clamping block (85-9) is separated from the clamping groove (85-10), the separation of the oil filter plate (85-1) from the oil inlet pipe (82) can be completed, and the installation can be completed by reverse operation;
s2, gas detection: by starting the auxiliary moving motor (84-2), the auxiliary moving motor (84-2) is utilized to drive the auxiliary moving rotating shaft (84-3) and the power fan (84-4) to rotate, so that the separated gas is transmitted to the data detector (84-5) to be extracted and detected, and the detected data is transmitted to the control system (84-6);
s3, data processing: the detected data are transmitted to the data processing module (84-63) for processing, the data of different gases are divided by the data analysis unit (84-632) and the data classification unit (84-633), the data are compared by the data comparison unit (84-634), and the compared data are transmitted to the outside through the data output unit (84-635).
10. The method of claim 9, wherein the gas detection device comprises: the data comparison unit (84-634) in S3 compares the collected data with the data in the gas value ratio database (84-637), and if the collected data is less than or equal to the data in the gas value ratio database (84-637), the data can be used normally, and if the collected data is less than or greater than the data in the gas value ratio database (84-637), the data needs to be notified and processed by the warning notification unit (84-636).
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