CN115101334B - Large industrial capacitor capable of being automatically powered on and powered off - Google Patents
Large industrial capacitor capable of being automatically powered on and powered off Download PDFInfo
- Publication number
- CN115101334B CN115101334B CN202210901453.6A CN202210901453A CN115101334B CN 115101334 B CN115101334 B CN 115101334B CN 202210901453 A CN202210901453 A CN 202210901453A CN 115101334 B CN115101334 B CN 115101334B
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- fixed
- shell
- wall
- heat dissipation
- capacitor
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- 239000003990 capacitor Substances 0.000 title claims abstract description 60
- 230000017525 heat dissipation Effects 0.000 claims abstract description 59
- 239000002184 metal Substances 0.000 claims description 37
- 229910052751 metal Inorganic materials 0.000 claims description 37
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 239000001307 helium Substances 0.000 description 10
- 229910052734 helium Inorganic materials 0.000 description 10
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000007789 gas Substances 0.000 description 6
- 239000011261 inert gas Substances 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/14—Protection against electric or thermal overload
- H01G2/18—Protection against electric or thermal overload with breakable contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/08—Cooling arrangements; Heating arrangements; Ventilating arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/10—Housing; Encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/14—Protection against electric or thermal overload
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Abstract
The invention relates to the technical field of capacitor protection, in particular to an automatic power-on and power-off large-scale industrial capacitor, which comprises a heat exchange box, wherein a heat dissipation shell is arranged at the top of the heat exchange box, a cavity is formed in the heat dissipation shell, the heat dissipation shell is divided into a heat dissipation outer shell and a heat dissipation inner shell by the cavity, a capacitor shell is arranged on the inner side wall of the heat dissipation inner shell, a battery core is arranged in the capacitor shell, two electrode rods are arranged on the battery core and penetrate through the top of the capacitor shell and are mutually fixed, a round hole is formed in the top of the capacitor shell, a fixed column is arranged on the inner wall of the round hole, working cavities are formed in the top and the bottom end of the inside of the fixed column, sliding holes penetrate through the two working cavities, and a movable rod is slidably arranged on the inner wall of the sliding holes.
Description
Technical Field
The invention relates to the technical field of capacitor protection, in particular to a large industrial capacitor capable of automatically switching on and off.
Background
Two conductors close to each other with a layer of non-conductive insulating medium sandwiched between them, constitute a capacitor. When a voltage is applied between the two plates of the capacitor, the capacitor stores a charge. The capacitance of the capacitor is equal in value to the ratio of the amount of charge on one conductive plate to the voltage between the two plates. The basic unit of capacitance of the capacitor is farad (F). The capacitive element is generally indicated by the letter C in the circuit diagram.
With the daily and monthly variation of electronic information technology, the updating speed of digital electronic products is faster and faster, and the sales volume of consumer electronic products mainly including flat-panel televisions, notebook computers, digital cameras and the like is continuously increased, so that the capacitor industry is driven to increase; the existing capacitor is easy to generate heat in the use process, and if the capacitor is overheated, the capacitor is not powered off in time, so that the whole capacitor is extremely easy to damage.
Disclosure of Invention
The invention aims to provide a large industrial capacitor capable of automatically switching on and off so as to solve the problems in the background technology.
The technical scheme of the invention is as follows: the utility model provides an automatic large-scale industrial capacitor of on-off, includes the heat exchange box, the radiating shell is installed at the top of heat exchange box, the cavity has been seted up to the inside of radiating shell, the cavity divide into radiating shell and radiating inner shell with radiating shell, radiating inner shell's inside wall is provided with the electric capacity shell, the internally mounted of electric capacity shell has the electric core, be provided with two electrode bars on the electric core, the electrode bar runs through the top of electric capacity shell and mutually fixed, the round hole has been seted up at the top of electric capacity shell, the fixed column is installed to the inner wall of round hole, the working chamber has all been seted up on the inside top and the bottom of fixed column, the slide hole runs through two working chambers, the inner wall slidable mounting of slide hole has the movable rod, the movable rod is located the part of top working chamber and installs reset subassembly, is located the bottom the both sides inner wall fixed metal arc piece of working chamber, the outer wall of metal arc piece sets up the rubber layer, just the rubber layer contacts with the inner wall that is located the bottom working chamber, the bottom and the bottom that is located between working chamber and the bottom is located the working chamber has the inert gas's of working electrode assembly and installs the plug-in connection assembly mutually.
Preferably, the plug assembly comprises a movable plate, two terminals, a mounting frame, a telescopic soft sleeve, two fixing screws, two fixing plates and two guide posts respectively fixed at the tops of the two fixing plates, the movable plate is rotationally mounted at the top of the movable rod, insertion holes are formed in two ends of the top of the movable plate, the ends of the terminals are respectively fixed on the inner wall of the insertion holes, extension plates with positioning holes are formed in the tops of the two side ends of the mounting frame, the inner wall of the positioning holes are slidably mounted on the fixing screws, the mounting frame is fixed at the top of the capacitor shell through the fixing screws, the two fixing plates are respectively fixed on the inner wall of the mounting frame, and the upper end and the lower end of the telescopic soft sleeve are respectively mounted on the mounting frame and the movable plate, and the guide posts penetrate through the top of the movable plate and form sliding mounting.
Preferably, a liquid outlet pipe is inserted at the bottom of the outer wall of one side of the heat exchange box, and a liquid inlet pipe is inserted at the top of the outer wall of one side of the heat exchange box.
Preferably, the connecting pipes are inserted into the top end of the outer wall of one side of the heat dissipation shell and the bottom end of the outer wall of the other side of the heat dissipation shell, the circulating pump is fixed at the top of the heat exchange box, the output end and the input end of the circulating pump are respectively inserted into the inlet pipe of the output pipe, the output pipe is positioned in the heat exchange box and penetrates through the top of the heat exchange box and is connected with the connecting pipe positioned at the bottom, and one end of the inlet pipe away from the circulating pump is connected with the other connecting pipe.
Preferably, a servo motor is fixed on the outer wall of one end of the heat dissipation outer shell, a stirrer is fixed on the output shaft of the servo motor, and the stirrer is located between the heat dissipation outer shell and the heat dissipation inner shell.
Preferably, the outer side wall of the heat dissipation inner shell is provided with heat dissipation fins distributed equidistantly.
Preferably, the reset component comprises a limiting ring fixed on the peripheral wall of the moving rod and a spring sleeved on the peripheral wall of the moving rod, and two ends of the spring are respectively contacted with the limiting ring and the top inner wall of the top working cavity.
Preferably, the top of heat dissipation shell is provided with the cap, set up the metal hinge that is used for connecting between heat dissipation shell and the cap through the metal hinge, one side outer wall of cap is fixed with spill piece one, one side outer wall of heat dissipation shell is fixed with spill piece two, spill piece one and spill piece two homonymies, the rotating block is installed in the both ends inner wall rotation of spill piece two, the threaded rod is installed in the top rotation of rotating block, the peripheral wall of threaded rod has a positioning cylinder through threaded connection.
Preferably, the top of cap is fixed with fixed frame, fixed frame's top lateral wall is fixed with the resistance, fixed frame's top inside wall is fixed with the electro-magnet, the top of movable plate is fixed with the iron plate, the iron plate is just relative with the electro-magnet.
Preferably, an external thread cylinder coaxial with the round hole is fixed at the top of the capacitor shell, an internal thread cylinder is connected with the external thread cylinder through threads, and the internal thread cylinder is fixed on the peripheral wall of the fixed column.
The invention provides a large-scale industrial capacitor capable of automatically switching on and off through improvement, which has the following improvement and advantages compared with the prior art:
the method comprises the following steps: the inside of the capacitor shell is heated, heat is transferred to the bottom of the fixed column, at the moment, the bottom of the fixed column is heated, helium absorbs the heat to expand, gas pressure between the metal arc piece and the bottom of the bottom working cavity is increased, the bottom of the metal arc piece is gradually increased by acting force, the acting force is enough to push the metal arc piece, the arc direction of the metal arc piece is changed, the movable rod is upwards protruded, the spring in the reset assembly is compressed, the movable rod can apply acting force to the top of the metal arc piece to generate a reaction force F3, the reaction force is equal to deformation force F0 of the metal arc piece and pressure acting force F1, F3 is equal to or less than F0+F1, in the process of upwards pushing the movable rod, the movable rod is in sliding clamping fit with the electrode rod, the terminal is separated from the electrode rod to realize power failure, and the terminal is required to be connected with the positive electrode and the negative electrode of the power supply, and the power failure is required to be performed; when the internal heat of the capacitor shell is reduced, helium gas is cooled and contracted, the pressure acting force F1 is gradually reduced, and when F3 is more than F0+F1, the metal arc sheet is restored to the initial state, and the plug-in component is connected with the electrode rod for electrifying, so that automatic power-on and power-off can be realized according to the temperature;
and two,: according to the invention, the electromagnet and the resistor are connected in series through the signal wire, then the electromagnet and the resistor are connected in parallel on the same power supply of the capacitor, if the voltage is too high, the resistor can generate larger current, the electromagnet is sufficiently supplied for working, at the moment, the electromagnet sucks up the iron block, and the iron block is fixed on the moving plate and moves upwards, so that the capacitor can be prevented from being damaged by high voltage by the bar;
and thirdly,: according to the invention, insulating oil continuously circulates in the output pipe, the cavity of the heat dissipation shell and the inlet pipe through the circulating pump, heat of the heat dissipation shell is carried by the forced flow mode, the liquid outlet pipe and the liquid inlet pipe are respectively connected with external water cooling equipment, so that the heat of the output pipe is taken away through the forced flow of water by filling cold water in the heat exchange box, and heat dissipation can be carried out.
Drawings
The invention is further explained below with reference to the drawings and examples:
FIG. 1 is a schematic perspective view of a first perspective view of the present invention;
FIG. 2 is a schematic view of a second perspective of the present invention;
FIG. 3 is a perspective view of a third perspective view of the present invention;
FIG. 4 is a sectional view of the area A of FIG. 2;
FIG. 5 is an enlarged view at B of FIG. 4;
FIG. 6 is a left side cutaway view of the present invention;
FIG. 7 is a front cut-away view of the present invention;
fig. 8 is an enlarged view at C of fig. 7.
Reference numerals illustrate:
1. a heat exchange box; 2. a heat dissipation housing; 3. a circulation pump; 4. an inlet tube; 5. a servo motor; 6. a cover; 7. a flexible sleeve; 8. a moving plate; 9. a terminal; 10. a guide post; 11. a resistor; 12. an electromagnet; 13. iron blocks; 14. a fixed frame; 15. a positioning cylinder; 16. a concave block I; 17. a threaded rod; 18. a rotating block; 19. a concave block II; 20. an output pipe; 21. a liquid outlet pipe; 22. fixing the column; 23. a mounting frame; 24. an internal thread cylinder; 25. a fixing plate; 26. an electrode rod; 27. a liquid inlet pipe; 28. a metal hinge; 29. a connecting pipe; 30. a set screw; 31. a heat-dissipating inner case; 32. a heat dissipating fin; 33. a capacitor shell; 34. a battery cell; 35. a spring; 36. a limiting ring; 37. an external thread cylinder; 38. a metal arc piece; 39. a moving rod; 40. a stirrer.
Detailed Description
The following detailed description of the present invention clearly and fully describes the technical solutions of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a large-scale industrial capacitor capable of automatically switching on and off through improvement, which comprises the following technical scheme:
as shown in fig. 1-8, an automatic power-on and power-off large industrial capacitor comprises a heat exchange box 1, a heat dissipation shell is installed at the top of the heat exchange box 1, a cavity is formed in the heat dissipation shell, the heat dissipation shell is divided into a heat dissipation outer shell 2 and a heat dissipation inner shell 31 by the cavity, a capacitor shell 33 is arranged on the inner side wall of the heat dissipation inner shell 31, a battery core 34 is installed in the capacitor shell 33, two electrode rods 26 are arranged on the battery core 34, the electrode rods 26 penetrate through the top of the capacitor shell 33 and are mutually fixed, a round hole is formed in the top of the capacitor shell 33, a fixed column 22 is installed on the inner wall of the round hole, working cavities are formed in the inner top and the bottom of the fixed column 22, sliding holes penetrate through the two working cavities, a movable rod 39 is slidably installed on the inner wall of the sliding hole, a reset component is installed on the part of the top working cavity, metal arc pieces 38 are fixed on the inner walls of the two sides of the bottom working cavities, a rubber layer is arranged on the outer wall of the metal arc pieces 38, the rubber layer is in contact with the inner walls of the two ends of the bottom working cavity, the metal arc pieces 38 and the bottom working cavity are mutually fixed, a round hole is formed in the inner wall, and the bottom inert gas filled with the bottom working cavity, and the electrode rod 39 is matched with the electrode rod 26 is installed at the top.
By the above structure: the inert gas is helium, because the thermal expansion coefficient of helium is large, the inside of the capacitor shell 33 is heated, heat is transferred to the bottom of the fixed column 22, at this time, the bottom of the fixed column 22 is heated, the helium absorbs the heat to expand, the gas pressure between the metal arc piece 38 and the bottom of the bottom working cavity is increased, the acting force on the bottom of the metal arc piece 38 is gradually increased, the acting force is enough to push the metal arc piece 38, the arc direction of the metal arc piece 38 is changed, the movable rod 39 is upwards raised, at this time, the reset component generates a reaction force F3, the reaction force is equal to the deformation force F0 of the metal arc piece 38 and the pressure acting force F1, F3 is less than or equal to F0+F1, during the upward pushing process of the movable rod 39, the plug component is separated from the electrode rod 26, the power is cut off, at this time, the plug component is required to be connected with the positive electrode and the negative electrode of the power supply, and the power is cut off; when the internal heat of the capacitor shell 33 is reduced, the helium gas is cooled and contracted, the pressure acting force F1 is gradually reduced, and when F3 is more than F0+F1, the metal arc piece 38 is restored to the initial state, and the plug-in assembly is connected with the electrode rod 26 for electrifying, so that automatic power-on and power-off can be realized according to the temperature.
Further, the plug-in component comprises a movable plate 8, two terminals 9, a mounting frame 23, a telescopic soft sleeve 7, two fixing screws 30, two fixing plates 25 and two guide posts 10 respectively fixed at the tops of the two fixing plates 25, wherein the movable plate 8 is rotatably mounted at the top of a movable rod 39, insertion holes are formed in two ends of the top of the movable plate 8, the ends of the two terminals 9 are respectively fixed on the inner wall of the insertion holes, extension plates with positioning holes are respectively fixed at two side ends of the mounting frame 23, the fixing screws 30 are slidably mounted on the inner wall of the positioning holes, the mounting frame 23 is fixed at the top of a capacitor shell 33 through the fixing screws 30, the two fixing plates 25 are respectively fixed on the inner wall of the mounting frame 23, the upper end and the lower end of the telescopic soft sleeve 7 are respectively mounted on the mounting frame 23 and the movable plate 8, and the guide posts 10 penetrate through the top of the movable plate 8 to form sliding mounting.
By the above structure: the end of the terminal 9 is provided with a threading hole for connecting with the anode and the cathode, and the terminal is used for being in sliding clamping fit with the electrode rod 26; the telescopic soft sleeve 7 is used for preventing dust from entering into contact with the electrode rod 26 to cause poor contact;
further, a drain pipe 21 is inserted in the bottom of the outer wall of one side of the heat exchange box 1, and a liquid inlet pipe 27 is inserted in the top of the outer wall of one side of the heat exchange box 1.
By the above structure: the liquid outlet pipe 21 and the liquid inlet pipe 27 are respectively connected with external water cooling equipment, so that the heat exchange box 1 is filled with cold water, and heat is taken away by forced flow of the water.
Further, connecting pipes 29 are inserted into the top end of the outer wall of one side of the heat dissipation shell 2 and the bottom end of the outer wall of the other side of the heat dissipation shell 2, a circulating pump 3 is fixed at the top of the heat exchange box 1, an inlet pipe 4 of an output pipe 20 is inserted into the output end and the input end of the circulating pump 3 respectively, the output pipe 20 is located inside the heat exchange box 1 and penetrates through the top of the heat exchange box 1 to be connected with the connecting pipe 29 located at the bottom, and one end, away from the circulating pump 3, of the inlet pipe 4 is connected with the other connecting pipe 29.
By the above structure: insulating oil is arranged in the cavity of the heat dissipation shell, the circulating pump 3 can continuously circulate the insulating oil in the output pipe 20, the cavity of the heat dissipation shell and the inlet pipe 4, and the heat of the heat dissipation shell is carried by the forced flowing mode;
further, a servo motor 5 is fixed on the outer wall of one end of the heat dissipation outer shell 2, a stirrer 40 is fixed on the output shaft of the servo motor 5, and the stirrer 40 is located between the heat dissipation outer shell 2 and the heat dissipation inner shell 31.
By the above structure: the servo motor 5 can stir the insulating oil by the stirrer 40, so that heat can be uniformly distributed in the insulating oil, and the insulating oil cannot absorb heat locally.
Further, the outer side wall of the inner heat dissipation shell 31 is provided with heat dissipation fins 32 distributed equidistantly.
By the above structure: the heat radiating fins 32 can expand the heat radiating area, thereby improving the heat transfer efficiency.
Further, the reset assembly comprises a limiting ring 36 fixed on the peripheral wall of the moving rod 39 and a spring 35 sleeved on the peripheral wall of the moving rod 39, and two ends of the spring 35 are respectively contacted with the limiting ring 36 and the top inner wall of the top working cavity.
By the above structure: the spring 35 can exert a downward force on the stop collar 36 so that the travel bar 39 can exert a force on top of the metal arc 38 at all times.
Further, the top of heat dissipation shell is provided with cap 6, sets up the metal hinge 28 that is used for connecting between heat dissipation shell and the cap 6 through metal hinge 28, and the one side outer wall of cap 6 is fixed with concave piece one 16, and the one side outer wall of heat dissipation shell is fixed with concave piece two 19, and concave piece one 16 and concave piece two 19 homonymies, and the turning block 18 is installed in the both ends inner wall rotation of concave piece two 19, and threaded rod 17 is installed in the top rotation of turning block 18, and threaded rod 17's periphery wall has a positioning cylinder 15 through threaded connection.
By the above structure: as shown in fig. 1, the threaded rod 17 is rotated upward so that the threaded rod 17 enters the groove of the first concave block 16, and then the positioning cylinder 15 is rotated, and the positioning cylinder 15 is moved downward by the form of a screw transmission until it comes into contact with the top of the first concave block 16, at which time the cover 6 is pressed.
Further, a fixed frame 14 is fixed at the top of the casing cover 6, a resistor 11 is fixed on the outer side wall of the top of the fixed frame 14, an electromagnet 12 is fixed on the inner side wall of the top of the fixed frame 14, an iron block 13 is fixed at the top of the moving plate 8, and the iron block 13 is opposite to the electromagnet 12.
By the above structure: the electromagnet 12 and the resistor 11 are connected in series through a signal wire, then the electromagnet 12 and the resistor 11 are connected in parallel to the same power supply of the capacitor, if the voltage is too high, the resistor 11 can generate larger current which is enough for the electromagnet 12 to work, and at the moment, the electromagnet 12 sucks up the iron block 13, and the moving plate 8 moves upwards because the iron block 13 is fixed on the moving plate 8.
Further, an external thread cylinder 37 coaxial with the round hole is fixed on the top of the capacitor shell 33, an internal thread cylinder 24 is connected to the external thread cylinder 37 through threads, and the internal thread cylinder 24 is fixed on the outer peripheral wall of the fixed column 22.
By the above structure: the internal thread cylinder 24 and the external thread cylinder 37 are screwed together to fix the fixing post 22 in the circular hole.
Working principle: the internal thread cylinder 24 and the external thread cylinder 37 are connected through threads, the fixed column 22 is fixed in a round hole, the threaded rod 17 is rotated upwards, the threaded rod 17 enters a groove of the first concave block 16, then the positioning cylinder 15 is rotated, the positioning cylinder 15 moves downwards until contacting with the top of the first concave block 16 in a threaded transmission mode, the shell cover 6 is pressed at the moment, and the capacitor shell 33 is pressed by the shell cover 6; the inert gas is helium here, because the coefficient of thermal expansion of helium is large, the inside of the capacitor shell 33 is heated, heat is transferred to the bottom of the fixed column 22, at this time, the bottom of the fixed column 22 is heated, the helium absorbs the heat for expansion, the gas pressure between the metal arc piece 38 and the bottom of the bottom working cavity is increased, the bottom of the metal arc piece 38 is gradually increased by acting force, the acting force is enough to push the metal arc piece 38, the arc direction of the metal arc piece 38 is changed, the movable rod 39 is upwards raised, the spring 35 in the reset assembly is compressed, the movable rod 39 can apply acting force to the top of the metal arc piece 38 to generate a reaction force F3, the deformation force F0 of the metal arc piece 38 and the pressure acting force F1, F3 + F1 are less than or equal to F0, during the upward pushing of the movable rod 39, the 9 in the plug assembly is in sliding and clamping fit with the electrode rod 26, the terminal 9 is separated from the electrode rod 26, and power is required to be interrupted, at this time, the terminal 9 is connected with the positive electrode and the negative electrode of the power supply; when the internal heat of the capacitor shell 33 is reduced, the helium gas is cooled and contracted, the pressure acting force F1 is gradually reduced, and when F3 is more than F0+F1, the metal arc piece 38 is restored to the initial state, and the plug-in component is connected with the electrode rod 26 for electrifying, so that automatic power-on and power-off can be realized according to the temperature;
the electromagnet 12 and the resistor 11 are connected in series through a signal wire, then the electromagnet 12 and the resistor 11 are connected in parallel to the same power supply of the capacitor, if the voltage is too high, the resistor 11 can generate larger current which is enough for the electromagnet 12 to work, at the moment, the electromagnet 12 sucks up the iron block 13, and the moving plate 8 moves upwards because the iron block 13 is fixed on the moving plate 8;
the inside of the cavity of the heat dissipation shell is provided with insulating oil, the circulating pump 3 can continuously circulate the insulating oil in the output pipe 20, the cavity of the heat dissipation shell and the inlet pipe 4, the heat of the heat dissipation shell is carried by a forced flow mode, the liquid outlet pipe 21 and the liquid inlet pipe 27 are respectively connected with external water cooling equipment, so that the water of the heat exchange box 1 is filled with cold water, and the heat of the output pipe 20 is taken away by the forced flow of the water, thereby being capable of dissipating heat.
The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An automatic on-off large-scale industrial capacitor which is characterized in that: the heat exchange device comprises a heat exchange box (1), wherein a heat dissipation shell is arranged at the top of the heat exchange box (1), a cavity is formed in the heat dissipation shell, the cavity divides the heat dissipation shell into a heat dissipation outer shell (2) and a heat dissipation inner shell (31), a capacitor shell (33) is arranged on the inner side wall of the heat dissipation inner shell (31), an electric core (34) is arranged in the capacitor shell (33), two electrode rods (26) are arranged on the electric core (34), the electrode rods (26) penetrate through the top of the capacitor shell (33) and are mutually fixed, a round hole is formed in the top of the capacitor shell (33), a fixed column (22) is arranged on the inner wall of the round hole, working cavities are formed in the top and the bottom of the fixed column (22), sliding holes penetrate through the two working cavities, a movable rod (39) is slidably arranged on the inner wall of the sliding holes, a reset component is arranged on the part of the working cavity at the top, two side inner wall fixing metal sheets (38) of the working cavities at the bottom, a rubber layer (38) is arranged on the inner wall of the metal sheets at the two sides of the working cavities, and is in contact with the bottom of the arc-shaped metal sheets (38) and is arranged at the bottom of the arc-shaped metal layer (38) and is arranged at the bottom of the arc-shaped cavity;
the utility model provides a socket subassembly, including movable plate (8), two terminal (9), installing frame (23), flexible soft cover (7), two fixed screws (30), two fixed plates (25) and two guide posts (10) of fixing at two fixed plate (25) tops respectively, movable plate (8) rotate and install the top at movable rod (39), the jack has all been seted up at the top both ends of movable plate (8), two the end of terminal (9) is fixed respectively on the inner wall of jack, the extension board that the locating hole was seted up at the top is all fixed with to the both sides end of installing frame (23), the inner wall of locating hole is had to fixed screw (30) slidable mounting, installing frame (23) are fixed at the top of capacitor case (33) through fixed screw (30), and two fixed plate (25) are fixed respectively on the inside wall of installing frame (23), the upper and lower both ends of flexible soft cover (7) are respectively with on installing frame (23) and movable plate (8), guide posts (10) run through and form slidable mounting.
2. An automatic on-off large industrial capacitor according to claim 1, wherein: the bottom of the outer wall of one side of the heat exchange box (1) is inserted with a liquid outlet pipe (21), and the top of the outer wall of one side of the heat exchange box (1) is inserted with a liquid inlet pipe (27).
3. An automatic on-off large industrial capacitor according to claim 1, wherein: the heat dissipation device is characterized in that connecting pipes (29) are inserted into the top end of one side outer wall of the heat dissipation shell (2) and the bottom end of the other side outer wall of the heat dissipation shell, a circulating pump (3) is fixed at the top of the heat exchange box (1), an output pipe (20) and an inlet pipe (4) are inserted into the output end and the input end of the circulating pump (3) respectively, the output pipe (20) is located inside the heat exchange box (1) and penetrates through the top of the heat exchange box (1) and is connected with the connecting pipes (29) located at the bottom, and one end, far away from the circulating pump (3), of the inlet pipe (4) is connected with the other connecting pipe (29).
4. An automatic on-off large industrial capacitor according to claim 1, wherein: a servo motor (5) is fixed on the outer wall of one end of the heat dissipation outer shell (2), a stirrer (40) is fixed on an output shaft of the servo motor (5), and the stirrer (40) is located between the heat dissipation outer shell (2) and the heat dissipation inner shell (31).
5. An automatic on-off large industrial capacitor according to claim 1, wherein: the outer side wall of the heat dissipation inner shell (31) is provided with heat dissipation fins (32) which are distributed equidistantly.
6. An automatic on-off large industrial capacitor according to claim 1, wherein: the reset assembly comprises a limiting ring (36) fixed on the peripheral wall of the movable rod (39) and a spring (35) sleeved on the peripheral wall of the movable rod (39), and two ends of the spring (35) are respectively contacted with the limiting ring (36) and the top inner wall of the top working cavity.
7. An automatic on-off large industrial capacitor according to claim 1, wherein: the top of heat dissipation shell is provided with cap (6), set up metal hinge (28) that are used for connecting between heat dissipation shell and cap (6), one side outer wall of cap (6) is fixed with spill piece one (16), one side outer wall of heat dissipation shell is fixed with spill piece two (19), spill piece one (16) and spill piece two (19) homonymy, rotatory piece (18) are installed to the both ends inner wall rotation of spill piece two (19), threaded rod (17) are installed in the top rotation of rotatory piece (18), the outer perisporium of threaded rod (17) has positioning cylinder (15) through threaded connection.
8. An automatic on-off capacitor for large scale industry according to claim 7, wherein: the top of cap (6) is fixed with fixed frame (14), the top lateral wall of fixed frame (14) is fixed with resistance (11), the top inside wall of fixed frame (14) is fixed with electro-magnet (12), the top of movable plate (8) is fixed with iron plate (13), iron plate (13) are just opposite with electro-magnet (12).
9. An automatic on-off large industrial capacitor according to claim 1, wherein: an external thread cylinder (37) coaxial with the round hole is fixed at the top of the capacitor shell (33), an internal thread cylinder (24) is connected with the external thread cylinder (37) through threads, and the internal thread cylinder (24) is fixed on the peripheral wall of the fixed column (22).
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