CN113325249A - Box transformer state evaluation device - Google Patents
Box transformer state evaluation device Download PDFInfo
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- CN113325249A CN113325249A CN202110414660.4A CN202110414660A CN113325249A CN 113325249 A CN113325249 A CN 113325249A CN 202110414660 A CN202110414660 A CN 202110414660A CN 113325249 A CN113325249 A CN 113325249A
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- 238000011156 evaluation Methods 0.000 title claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 12
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 8
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims description 21
- 238000004140 cleaning Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000004065 semiconductor Substances 0.000 claims description 8
- 238000005086 pumping Methods 0.000 claims description 7
- 238000005286 illumination Methods 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 abstract 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 abstract 2
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 230000002159 abnormal effect Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
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- 230000001680 brushing effect Effects 0.000 description 1
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- 238000001514 detection method Methods 0.000 description 1
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- 230000002349 favourable effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
- F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
- F24S30/425—Horizontal axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
- H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/10—Cleaning arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention belongs to the technical field of transformers, and particularly relates to a state evaluation device for a box transformer, which comprises a base, wherein a shell is fixed on the outer wall of the top of the base through bolts, a power supply mechanism is installed at the top end of the shell, a data acquisition mechanism and a data processing mechanism are respectively installed on one side of the shell, a high-voltage wire inlet end and a low-voltage wire outlet end are respectively and fixedly installed at two ends of the shell through bolts, a high-voltage cable and a low-voltage cable are respectively connected with the high-voltage wire inlet end and the low-voltage wire outlet end, the high-voltage wire inlet end and the low-voltage wire outlet end are both made of ABS (acrylonitrile butadiene styrene) plastic materials, an installation end plate is fixed on the outer wall of one side of the shell through bolts, supporting foot blocks are fixedly installed at four corners of the installation end plate, and the data acquisition mechanism comprises cavity grooves formed in the installation end plate. The solar energy power supply device can adopt a structure that the solar cell panel is matched with the lithium battery, avoids the device from being in contact with the box transformer substation for power supply, and is beneficial to improving the safety performance of the device.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a box transformer state evaluation device.
Background
The box-type transformer is characterized in that the traditional transformer is intensively designed in a box-type shell, has small volume, light weight, low noise, low loss and high reliability, and is widely applied to residential districts, commercial centers, light stations, airports, factories, mines, enterprises, hospitals, schools and other places. The box-type transformer is used as a whole set of distribution equipment and is formed by combining a transformer, high-voltage control equipment and low-voltage control equipment. The basic principle of the transformer is that reasonable assembly is carried out according to a specified sequence through a pressure starting system, an armor wire, a full-automatic system of the transformer station, a direct current point and corresponding technical equipment, and all components are installed in a specific waterproof, dustproof and rat-proof completely-sealed toughened box body structure, so that the specific transformer is formed.
At present, a transformer state detection device is not arranged in a box-type transformer substation, most box-type transformer substations only display voltage and current through a pointer type meter with simple principle and low precision, and specific display data of the box-type transformer substations are not comprehensive enough, so that the information of phase vectors, no-load current and fault current of each phase of the transformer cannot be effectively monitored; when the transformer is in an abnormal condition, operation and maintenance managers cannot timely master the abnormal condition, failure causes cannot be accurately judged, and operation and maintenance difficulty is increased.
Disclosure of Invention
The invention provides a state evaluation device for a box transformer substation transformer, which is based on the technical problem that most box transformers only display voltage and current through a pointer type meter with simple principle and low precision, and the specific display data is not comprehensive enough.
The invention provides a box transformer state evaluation device, which comprises a base, wherein a shell is fixed on the outer wall of the top of the base through bolts, a power supply mechanism is installed at the top end of the shell, a data acquisition mechanism and a data processing mechanism are respectively installed on one side of the shell, a high-voltage wire inlet end and a low-voltage wire outlet end are respectively fixedly installed at two ends of the shell through bolts, a high-voltage cable and a low-voltage cable are respectively connected with the high-voltage wire inlet end and the low-voltage wire outlet end, the high-voltage wire inlet end and the low-voltage wire outlet end are both made of ABS plastic materials, an installation end plate is fixed on the outer wall of one side of the shell through bolts, supporting foot blocks are fixedly installed at four corners of the installation end plate, the data acquisition mechanism comprises cavity grooves formed in the installation end plate, signal collectors are fixed on the inner walls of the cavity grooves through bolts, and a plurality of Rogowski coils are respectively arranged outside the high-voltage cable and the low-voltage cable, and the quantity of every group roche coil is five ten, roche coil all passes through signal line and signal collector electric connection, data processing mechanism is including seting up the logical groove of installing the end plate, and the inner wall fixed mounting who leads to the groove has heat transfer mechanism.
Preferably, the heat exchange mechanism comprises a heat exchange frame fixed on the through groove through screws, outer protruding pieces distributed equidistantly are welded on the outer wall of the heat exchange frame, and notches are formed in the top ends of the outer protruding pieces.
Preferably, the other side outer wall welding of heat transfer frame has the extension end frame, and the outer wall of extending the end frame all welds the outer protruding muscle that the equidistance distributes, the material of heat transfer frame, extension end frame and outer protruding muscle is copper.
Preferably, the inner wall fixed mounting of heat transfer frame has central digital processing unit, the casing is close to central digital processing unit's one end fixed mounting has the bearer bar, and the outer wall bonding of bearer bar has transparent protection end glass.
Preferably, a cooling box is fixed to one side, close to the protective frame, of the mounting end plate through screws, a mounting opening is formed in one side of the cooling box, and a semiconductor refrigerator is fixedly mounted on the inner wall of the mounting opening.
Preferably, one side of the top end of the cooling box is fixedly connected with a circulating water pump, the output end of the circulating water pump is fixedly connected with an inner circulating pipe, and the other end of the inner circulating pipe is fixedly connected with the cooling box.
Preferably, the outer circumferential outer wall of the inner circulation pipe is welded with an outer additional arc plate, the input end of the circulation water pump is fixedly connected with an inner pumping pipe, one side of the inner pumping pipe is fixedly connected with side branch ports distributed at equal distances, and the sections of the side branch ports are all of a corrugated structure.
Preferably, the two sides of the mounting end plate, which are respectively close to the data processing mechanism, are respectively fixed with an LCD display screen and an external memory through screws, the signal collector is electrically connected with a signal amplifier, and the signal amplifier is respectively electrically connected with the LCD display screen, the central digital processor and the external memory through signal lines.
Preferably, power mechanism includes the installation roof through the fix with screw in casing top outer wall, and the top of installation roof has the support through the fix with screw, the top of support has solar cell panel through the bolt fastening, one side outer wall fixed mounting of installation end plate has the lithium cell.
Preferably, support and solar cell panel are connected through the hinge, and solar cell panel has electric telescopic handle with the installation roof through hinged joint, solar cell panel installs clean mechanism, and clean mechanism is including clean pole, the both sides of clean pole all are equipped with spacing side rod through the fix with screw, and the solar cell panel both sides all set up with spacing side rod sliding connection's spacing kerve, the tip both sides of clean pole all set up with solar cell panel roll connection's pulley, and the bottom outer wall fixed mounting of clean pole has the counter weight bottom block, the bottom outer wall of counter weight bottom block all is provided with evenly distributed's brush hair, illumination intensity sensor is equipped with in one side fixed the installation of solar cell panel.
The beneficial effects of the invention are as follows:
1. the transformer state evaluation device for the box transformer acquires the current of the inlet and outlet wires of the transformer in a non-contact manner by adopting the Rogowski coil, the signal is processed by the signal collector and the signal amplifier, the processed signal is input into the central digital processor for operation and evaluation, the information of phase vectors, no-load current and fault current of each phase of the transformer is evaluated, the evaluation result and the current information are displayed on the LCD display screen and are stored in the external memory, the transformer state evaluation device is beneficial for operation and maintenance personnel to master the state of the transformer in real time, the functions of abnormal data observation, recording and the like can be realized, the abnormal conditions of phase loss, overload, abnormal heating and the like of the transformer are mastered under the safety condition of not contacting equipment, the fault reasons can be favorably searched and analyzed, the dead zone of the transformer state of the box transformer is eliminated, and the data support of the equipment is improved.
2. This case becomes transformer state evaluation device through the electrical power generating mechanism who sets up, can adopt the structure of solar cell panel cooperation lithium cell, avoids the device to become with the case and contacts the power supply, is favorable to improving the device's security performance.
3. The state evaluation device of the box transformer can be matched with a semiconductor refrigerator and an inner circulating pipe through the arranged cooling box, acts on a heat exchange mechanism, and rapidly cools a running central digital processor; through the outer arc sheet plates arranged on the inner circulating pipe and the outer convex pieces and the outer convex ribs which are respectively fixed on the heat exchange frame and the extension end frame, the heat exchange area can be increased, and the heat exchange and cooling effects are further improved.
4. According to the box transformer state evaluation device, the electric telescopic rods can be controlled through the central digital processor according to the irradiation angle of sunlight by the aid of the arranged illumination intensity sensor, so that the solar cell panel is opposite to the sunlight, and the power generation effect is improved; through the clean mechanism that sets up, when solar cell panel's angle changed, clean pole can remove along the solar cell panel surface under the effect of pulley and counter weight bottom block, and then utilizes the brush hair of counter weight bottom block, carries out cleaning to solar cell panel surface.
Drawings
Fig. 1 is a schematic overall structure diagram of a device for evaluating a state of a box transformer substation according to the present invention;
FIG. 2 is a schematic partial sectional view of an internal circulation tube of a device for evaluating the state of a box transformer according to the present invention;
fig. 3 is a schematic structural diagram of a rogowski coil of a device for evaluating a state of a box transformer according to the present invention;
fig. 4 is an enlarged structural diagram of a point a in fig. 2 of a device for evaluating a state of a box transformer substation according to the present invention;
fig. 5 is a schematic sectional view of a cooling box of a device for evaluating a state of a box transformer according to the present invention;
fig. 6 is a schematic structural diagram of a solar cell panel according to embodiment 2 of the apparatus for evaluating a state of a box transformer substation transformer provided in the present invention;
fig. 7 is an enlarged schematic structural diagram at B in fig. 6 of a device for evaluating a state of a box transformer substation according to the present invention;
fig. 8 is a schematic flow-path principle structure diagram of a device for evaluating a state of a box transformer substation provided by the present invention.
In the figure: 1. a housing; 2. installing a top plate; 3. a support; 4. a solar panel; 5. a signal collector; 6. a lithium battery; 7. a high-voltage wire inlet end; 8. a high voltage cable; 9. an LCD display screen; 10. transparent protective end glass; 11. a base; 12. a semiconductor refrigerator; 13. a cooling box; 14. a water circulating pump; 15. mounting an end plate; 16. a low-voltage outlet terminal; 17. a low voltage cable; 18. An external memory; 19. a central digital processor; 20. an inner circulation pipe; 21. a heat exchange frame; 22. An extension end frame; 23. an outer convex rib; 24. an outer tab; 25. a Rogowski coil; 26. an outer arc sheet plate; 27. a notch; 28. a side branch port; 29. an inner pumping pipe; 30. an electric telescopic rod; 31. a pulley; 32. a counterweight bottom block; 33. a cleaning rod; 34. brushing; 35. a limiting side groove; 36. limiting side rods.
Detailed Description
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1, 2, 3, 4, 5, 8, a box transformer state evaluation device comprises a base 11, a housing 1 is fixed on the outer wall of the top of the base 11 through bolts, a power supply mechanism is installed on the top end of the housing 1, a data acquisition mechanism and a data processing mechanism are respectively installed on one side of the housing 1, a high-voltage wire inlet end 7 and a low-voltage wire outlet end 16 are respectively fixed on the two ends of the housing 1 through bolts, the high-voltage wire inlet end 7 and the low-voltage wire outlet end 16 are respectively connected with a high-voltage cable 8 and a low-voltage cable 17, the high-voltage wire inlet end 7 and the low-voltage wire outlet end 16 are both made of ABS plastic materials, an installation end plate 15 is fixed on the outer wall of one side of the housing 1 through bolts, support foot blocks are respectively fixed on four corners of the installation end plate 15, the data acquisition mechanism comprises cavity grooves formed in the installation end plate 15, and signal collectors 5 are fixed on the inner walls of the cavity grooves through screws, a plurality of sets of Rogowski coils 25 are arranged outside the high-voltage cable 8 and the low-voltage cable 17, the number of each set of Rogowski coils 25 is five, the Rogowski coils 25 are electrically connected with the signal collector 5 through signal wires, the data processing mechanism comprises a through groove arranged on the mounting end plate 15, and a heat exchange mechanism is fixedly mounted on the inner wall of the through groove; by the structure, the Rogowski coil 25 is adopted to collect the current of the inlet and outlet wires of the transformer, the signal is processed by the signal collector 5 and the signal amplifier, the processed signal is input into the central digital processor 19 for operation and evaluation, the evaluation standard is based on the current abnormal characteristic under the abnormal condition of the transformer, thereby, the state of the transformer is evaluated, the information of the current vector sum, the no-load current and the fault current of each phase of the transformer is evaluated, the evaluation result and the current information are displayed on an LCD display screen 9, meanwhile, the data is stored in an external memory 18, so that operation and maintenance personnel can master the state of the transformer in real time, realize the functions of observation, recording and the like of abnormal data, under the safe condition of not contacting with equipment, the conditions of phase loss, overload and abnormal heating of the transformer are mastered, and fault reasons are checked and analyzed, the dead zone of the state of the box transformer is eliminated, and the running data support of equipment is improved.
Further, the heat exchange mechanism comprises a heat exchange frame 21 fixed in the through groove through screws, outer convex sheets 24 distributed at equal intervals are welded on the outer wall of the heat exchange frame 21, and notches 27 are formed in the top ends of the outer convex sheets 24.
Further, the outer wall of the other side of the heat exchange frame 21 is welded with an extension end frame 22, the outer wall of the extension end frame 22 is welded with outer convex ribs 23 distributed equidistantly, and the heat exchange frame 21, the extension end frame 22 and the outer convex ribs 23 are all made of copper.
Further, the inner wall of heat exchange frame 21 is fixedly mounted with central digital processor 19, and the one end of casing 1 close to central digital processor 19 is fixedly mounted with the protecting frame, and the outer wall of protecting frame is bonded with transparent protecting end glass 10.
Further, a cooling box 13 is fixed to one side of the mounting end plate 15 close to the protective frame through screws, a mounting opening is formed in one side of the cooling box 13, and the semiconductor refrigerator 12 is fixedly mounted on the inner wall of the mounting opening.
Further, a circulating water pump 14 is fixedly connected to one side of the top end of the cooling box 13, an output end of the circulating water pump 14 is fixedly connected with an internal circulating pipe 20, and the other end of the internal circulating pipe 20 is fixedly connected with the cooling box 13.
Furthermore, the outer circumferential outer wall of the inner circulation pipe 20 is welded with an outer attached arc plate 26, the input end of the circulation water pump 14 is fixedly connected with an inner pumping pipe 29, one side of the inner pumping pipe 29 is fixedly connected with side branch ports 28 distributed at equal intervals, and the cross sections of the side branch ports 28 are all of a wave structure; the arranged cooling box 13 can be matched with the semiconductor refrigerator 12 and the internal circulating pipe 20 to act on the heat exchange mechanism to rapidly cool and cool the running central digital processor 19; the heat exchange area is increased by the aid of the outer arc sheet plates 26 arranged on the inner circulation pipe 20, and the outer convex sheets 24 and the outer convex ribs 23 which are respectively fixed on the heat exchange frame 21 and the extension end frame 22, so that heat exchange and cooling effects are further improved; by providing the side branch 28 having a corrugated cross section, the low temperature coolant near the semiconductor cooler 12 can be pumped into the inner circulation tube 20 by the narrow tube effect, so as to achieve a rapid cooling process.
Further, an LCD display screen 9 and an external memory 18 are respectively fixed on two sides of the mounting end plate 15 close to the data processing mechanism by screws, the signal collector 5 is electrically connected with a signal amplifier, and the signal amplifier is electrically connected with the LCD display screen 9, the central digital processor 19 and the external memory 18 by signal lines.
Further, the power supply mechanism comprises a mounting top plate 2 fixed on the outer wall of the top of the shell 1 through screws, a support 3 is fixed at the top end of the mounting top plate 2 through screws, a solar cell panel 4 is fixed at the top end of the support 3 through bolts, and a lithium battery 6 is fixedly mounted on the outer wall of one side of the mounting end plate 15; by means of the structure, the solar cell panel 4 can be matched with the lithium battery 6, the device is prevented from being in contact with a box transformer substation for power supply, and the safety performance of the device is improved.
When the invention is used: the Rogowski coil 25 is adopted to collect the current of the inlet and outlet wires of the transformer, the signal is processed by the signal collector 5 and the signal amplifier, the processed signal is input into the central digital processor 19 for operation and evaluation, the evaluation standard is based on the current abnormal characteristic under the abnormal condition of the transformer, thereby, the state of the transformer is evaluated, the information of the current vector sum, the no-load current and the fault current of each phase of the transformer is evaluated, the evaluation result and the current information are displayed on an LCD display screen 9, and simultaneously stored in the external memory 18, so that the operation and maintenance personnel can master the state of the transformer in real time, realize the functions of abnormal data observation, recording and the like, under the safe condition of not contacting with equipment, the conditions of phase loss, overload and abnormal heating of the transformer are mastered, troubleshooting and analyzing fault reasons, eliminating a dead zone of the state of the box transformer, and improving the operation data support of equipment; the arranged power supply mechanism adopts a structure that the solar cell panel 4 is matched with the lithium battery 6, so that the device is prevented from being in contact with the box transformer substation for power supply, and the safety performance of the device is improved; the arranged cooling box 13 can be matched with the semiconductor refrigerator 12 and the internal circulating pipe 20 to act on the heat exchange mechanism to rapidly cool and cool the running central digital processor 19; the heat exchange area is increased by the outer arc sheet plates 26 arranged on the inner circulation pipe 20, and the outer convex sheets 24 and the outer convex ribs 23 respectively fixed on the heat exchange frame 21 and the extension end frame 22, so that the heat exchange and cooling effects are further improved.
Example 2
Referring to fig. 6 to 7, a device for evaluating the state of a box transformer, which is compared with embodiment 1, in which a bracket 3 and a solar cell panel 4 are connected by a hinge, and the solar cell panel 4 and the mounting top plate 2 are connected with an electric telescopic rod 30 through a hinge, the solar cell panel 4 is provided with a cleaning mechanism, and the cleaning mechanism comprises a cleaning rod 33, both sides of the cleaning rod 33 are fixed with limit side rods 36 through screws, and both sides of the solar cell panel 4 are provided with limit side grooves 35 which are connected with limit side rods 36 in a sliding way, both sides of the end part of the cleaning rod 33 are provided with pulleys 31 which are connected with the solar cell panel 4 in a rolling way, a counterweight bottom block 32 is fixedly arranged on the outer wall of the bottom of the cleaning rod 33, bristles 34 which are uniformly distributed are arranged on the outer wall of the bottom of the counterweight bottom block 32, and an illumination intensity sensor is fixedly arranged on one side of the solar cell panel 4; borrow by above-mentioned structure, when solar cell panel 4's angle changes, clean pole 33 can remove along solar cell panel 4 surface under the effect of pulley 31 and counter weight bottom block 32, and then utilizes the brush hair 34 of counter weight bottom block 32 bottom, carries out cleaning to solar cell panel 4 surface, avoids 4 surface attachments of solar cell panel to have the dust to influence the photoelectric conversion effect.
When the invention is used: through the arranged illumination intensity sensor, the stretching condition of the extension rod of the electric telescopic rod 30 can be controlled through the central digital processor 19 according to the irradiation angle of sunlight, so that the solar cell panel 4 is right against the sunlight, and the power generation effect is improved; utilize the clean mechanism that sets up, when solar cell panel 4's angle changes, clean pole 33 can remove along 4 surfaces of solar cell panel under the effect of pulley 31 and counter weight bottom block 32, and then utilize the brush hair 34 of counter weight bottom block 32 bottom, carry out cleaning to 4 surfaces of solar cell panel, avoid 4 surface adhesion of solar cell panel to have the dust to influence the photoelectric conversion effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a case transformer state evaluation device, includes base (11), the top outer wall of base (11) has casing (1) through the bolt fastening, its characterized in that, power mechanism is installed on the top of casing (1), and one side of casing (1) installs data acquisition mechanism and data processing mechanism respectively, there are high-pressure inlet wire end (7) and low pressure leading-out terminal (16) at the both ends of casing (1) through bolt fastening respectively, and high-pressure inlet wire end (7) and low pressure leading-out terminal (16) are connected with high tension cable (8) and low tension cable (17) respectively, high-pressure inlet wire end (7) and low pressure leading-out terminal (16) are ABS plastics material, one side outer wall of casing (1) has installation end plate (15) through the bolt fastening, and the equal fixed mounting in four corners of installation end plate (15) has the support foot piece, data acquisition mechanism is including seting up the chamber groove in installation end plate (15), and the inner wall in chamber groove has signal collector (5) through the fix with screw, the outside of high tension cable (8) and low tension cable (17) all is provided with multiunit luo shi coil (25), and the quantity of every group luo shi coil (25) is five ten, luo shi coil (25) are all through signal line and signal collector (5) electric connection, data processing mechanism is including seting up the logical groove in installation end plate (15), and the inner wall fixed mounting who leads to the groove has heat transfer mechanism.
2. The box transformer substation transformer state evaluation device according to claim 1, wherein the heat exchange mechanism comprises a heat exchange frame (21) fixed to the through groove through screws, outer fins (24) are welded to the outer wall of the heat exchange frame (21) and distributed equidistantly, and notches (27) are formed in the top ends of the outer fins (24).
3. The box transformer substation transformer state evaluation device according to claim 2, wherein the outer wall of the other side of the heat exchange frame (21) is welded with an extension end frame (22), the outer walls of the extension end frames (22) are welded with outer convex ribs (23) distributed at equal intervals, and the heat exchange frame (21), the extension end frame (22) and the outer convex ribs (23) are all made of copper.
4. A box transformer substation transformer state evaluation device according to claim 3, wherein a central digital processor (19) is fixedly installed on the inner wall of the heat exchange frame (21), a protection frame is fixedly installed at one end of the casing (1) close to the central digital processor (19), and a transparent protection end glass (10) is adhered to the outer wall of the protection frame.
5. A box transformer state evaluation device according to claim 4, characterized in that a cooling box (13) is fixed on one side of the mounting end plate (15) close to the protective frame through screws, and a mounting opening is opened on one side of the cooling box (13), and a semiconductor refrigerator (12) is fixedly installed on the inner wall of the mounting opening.
6. A tank transformer state evaluation device according to claim 5, characterized in that a circulating water pump (14) is fixedly connected to one side of the top end of the cooling box (13), an internal circulating pipe (20) is fixedly connected to the output end of the circulating water pump (14), and the other end of the internal circulating pipe (20) is fixedly connected to the cooling box (13).
7. A box transformer state evaluation device according to claim 6, characterized in that the outer peripheral wall of the inner circulation pipe (20) is welded with an outer additional arc sheet plate (26), the input end of the circulation water pump (14) is fixedly connected with an inner pumping pipe (29), one side of the inner pumping pipe (29) is fixedly connected with side branch ports (28) distributed at equal intervals, and the cross section of each side branch port (28) is of a wave-shaped structure.
8. A box transformer state evaluation device according to claim 4, wherein the mounting end plate (15) is respectively fixed with an LCD display screen (9) and an external memory (18) by screws at two sides close to the data processing mechanism, the signal collector (5) is electrically connected with a signal amplifier, and the signal amplifier is respectively electrically connected with the LCD display screen (9), the central digital processor (19) and the external memory (18) by signal lines.
9. The box transformer substation state evaluation device according to claim 1, wherein the power supply mechanism comprises a mounting top plate (2) fixed on the outer wall of the top of the casing (1) through screws, a bracket (3) is fixed on the top end of the mounting top plate (2) through screws, a solar panel (4) is fixed on the top end of the bracket (3) through bolts, and a lithium battery (6) is fixedly mounted on the outer wall of one side of the mounting end plate (15).
10. The box transformer substation transformer state evaluation device according to claim 9, wherein the support (3) is connected with the solar panel (4) through a hinge, the solar panel (4) is connected with the installation top plate (2) through a hinge through an electric telescopic rod (30), the solar panel (4) is provided with a cleaning mechanism, the cleaning mechanism comprises a cleaning rod (33), two sides of the cleaning rod (33) are both fixed with a limiting side rod (36) through screws, two sides of the solar panel (4) are both provided with a limiting side groove (35) in sliding connection with the limiting side rod (36), two sides of the end part of the cleaning rod (33) are both provided with pulleys (31) in rolling connection with the solar panel (4), the outer wall of the bottom of the cleaning rod (33) is fixedly provided with a balance weight bottom block (32), the outer wall of the bottom of the balance weight bottom block (32) is both provided with bristles (34) which are uniformly distributed, and an illumination intensity sensor is fixedly mounted on one side of the solar cell panel (4).
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| CN202110414660.4A CN113325249B (en) | 2021-04-17 | 2021-04-17 | State evaluation device for box transformer |
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| CN202110414660.4A CN113325249B (en) | 2021-04-17 | 2021-04-17 | State evaluation device for box transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117967438A (en) * | 2024-03-29 | 2024-05-03 | 泰州市曙明塑胶有限公司 | Plastic fan cover of automobile engine |
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| CN113325249B (en) | 2023-09-29 |
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