CN112002552B - Self-healing metallized film dry capacitor for microwave oven - Google Patents
Self-healing metallized film dry capacitor for microwave oven Download PDFInfo
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- CN112002552B CN112002552B CN202010858646.9A CN202010858646A CN112002552B CN 112002552 B CN112002552 B CN 112002552B CN 202010858646 A CN202010858646 A CN 202010858646A CN 112002552 B CN112002552 B CN 112002552B
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- 239000003990 capacitor Substances 0.000 title claims abstract description 109
- 239000011104 metalized film Substances 0.000 title claims abstract description 14
- 230000005855 radiation Effects 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000010408 film Substances 0.000 abstract description 33
- 229910052782 aluminium Inorganic materials 0.000 abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 14
- 239000011888 foil Substances 0.000 abstract description 12
- 238000004804 winding Methods 0.000 abstract description 12
- 239000003822 epoxy resin Substances 0.000 abstract description 7
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 229920000647 polyepoxide Polymers 0.000 abstract description 7
- 239000012528 membrane Substances 0.000 abstract description 5
- 239000005030 aluminium foil Substances 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- MEYZYGMYMLNUHJ-UHFFFAOYSA-N tunicamycin Natural products CC(C)CCCCCCCCCC=CC(=O)NC1C(O)C(O)C(CC(O)C2OC(C(O)C2O)N3C=CC(=O)NC3=O)OC1OC4OC(CO)C(O)C(O)C4NC(=O)C MEYZYGMYMLNUHJ-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/33—Thin- or thick-film capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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, LIGHT-SENSITIVE OR TEMPERATURE-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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/224—Housing; Encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/228—Terminals
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention discloses a self-healing metallized film dry capacitor for a microwave oven, which comprises a shell and interfaces, wherein a pair of interfaces are arranged at the top of the shell, an explosion-proof device is fixedly connected at the top in the shell, heat dissipation fins are arranged at the bottom of the shell, a capacitor core is arranged between the heat dissipation fins and the explosion-proof device, the capacitor core is soaked in epoxy resin, the explosion-proof device comprises an explosion-proof shell, a first lead, an explosion-proof wire, a connecting rod and a second lead, the capacitor core comprises a winding core, a first PXE film, an aluminum foil, a second PXE film and a paper film, the contact piece can be separated from the installed circuit by pressing the unlocking button, thereby realize quick assembly disassembly and stable connection to the condenser, explosion-proof equipment can cut off the circuit of condenser and pass through second PXE membrane and aluminium foil constitution internal string formula structure when the condenser core takes place the inflation danger, increase withstand voltage value, reinforcing capacitance value.
Description
Technical Field
The invention relates to the field of capacitors, in particular to a self-healing metallized film dry capacitor for a microwave oven.
Background
A capacitor is a device for containing electric charge, is one of electronic components used in a large number of electronic equipment, has the performance of storing a large amount of electric charge, is widely applied to aspects of DC-AC isolation, coupling, bypass, filtering, tuning loop, energy conversion, control and the like in a circuit, in use, the capacitor is often divided into a high-frequency bypass capacitor, a low-frequency bypass capacitor, a filtering capacitor, a tuning capacitor, a high-frequency coupling capacitor, a low-frequency coupling capacitor and the like, and can also be divided into an organic dielectric capacitor, an inorganic dielectric capacitor, an air dielectric capacitor, an electrolytic capacitor and the like according to electrolyte, the electrolytic capacitor is often used as a tuning and starting capacitor, has the advantages of low cost and easy assembly, but also has the defects of huge volume, easy loss, low overload voltage, easy breakdown, easy explosion and the like, nowadays, a metallized paper dielectric container in a small capacitor is continuously developed, and the metallized paper dielectric container gradually replaces an electrolytic capacitor as a starting capacitor due to the characteristics of high voltage resistance, small volume, self-healing property, difficult damage and the like.
In the using process of the capacitor, the capacitor can be divided into a starting capacitor and an operating capacitor according to purposes, the starting capacitor is a capacitor which supplies power to an electric appliance when the capacitor is started, the electric appliance starts to operate, the voltage resistance value of the capacitor is low, the capacitance capacity is large, the electric appliance does not operate after working, the electrolytic capacitor is commonly used, the operating capacitor performs capacitance compensation when the electric appliance operates, the required voltage resistance value is high, therefore, the film capacitor is commonly used, the film capacitor has self-healing capacity, when an interpolar medium is punctured, a metalized electrode layer around a puncturing point can be rapidly evaporated, the performance of the capacitor is automatically recovered, and the capacitor is also called as a metalized film capacitor because a metalized film layer evaporated on the medium layer is adopted as an electrode.
The metallized film capacitor is installed in a closed mode, internal capacitance elements of the metallized film capacitor are easy to heat, internal heat cannot be dissipated, and therefore the capacitor is exploded, normal use of the device is affected, and secondary disasters are easy to happen.
Disclosure of Invention
The invention aims to provide a self-healing metallized film dry capacitor for a microwave oven, so as to solve the problems of low voltage withstanding value, low capacitance, easy loss, poor heat transfer performance and the like of the capacitor.
The purpose of the invention can be realized by the following technical scheme:
a self-healing metallized film dry capacitor for a microwave oven comprises a shell and interfaces, wherein a pair of interfaces are installed at the top of the shell, an explosion-proof device is fixedly connected to the top in the shell, the interfaces are connected with the explosion-proof device through wires, heat dissipation fins are installed at the bottom of the shell, a capacitor core is installed between the heat dissipation fins and the explosion-proof device and is connected with the explosion-proof device through wires, the side edge of the capacitor core is in sliding connection with the shell, and the capacitor core is soaked in epoxy resin.
Preferably, the interface comprises a support cylinder, a contact piece and an unlocking button, the sleeve, spring and movable rod, the top at the shell is installed to the support section of thick bamboo symmetry, the top edge of a support section of thick bamboo is equipped with the outstanding ring of round, the contact piece is installed in a support section of thick bamboo, the wire of contact piece passes the bottom of a support section of thick bamboo and is connected with explosion-proof equipment, the contact piece is the sheetmetal of a slice folding into the U-shaped, the contact piece both ends are equipped with bellied edge, the both sides fixedly connected with unblock button of contact piece, unblock button passes a support section of thick bamboo and is connected with the contact piece, the internally mounted of contact piece has sleeve and movable rod, telescopic one end and one side fixed connection of contact piece, another pot head is established the one end of movable rod and with movable rod sliding connection, the other end of movable rod and the opposite side fixed connection of contact piece, the spring housing is established around sleeve and movable rod and with the two sliding connection, the both ends and the contact piece fixed connection of spring.
Preferably, explosion-proof equipment includes explosion-proof shell, first wire, explosion-proof line, connecting rod and second wire, explosion-proof shell installs the top in the shell, explosion-proof shell's inside keeps cavity, explosion-proof shell's both sides are run through by first wire respectively, the one end connection interface of first wire, explosion-proof line is connected to the other end, the second wire is connected to explosion-proof line's the other end, explosion-proof line is located the inside of connecting rod, the hollow pipeline of Z shape has been dug to the inside of connecting rod, the upper shed of connecting rod is corresponding with the under shed of explosion-proof shell, the condenser core is connected to the second wire.
Preferably, the capacitor core comprises a winding core, a first PXE film, an aluminum foil, a second PXE film and a paper film, wherein the winding core is provided with a pair of contact points, the contact points are connected with the explosion-proof device through wires, each contact point is connected with one aluminum foil, one side of the aluminum foil is the first PXE film, the other side of the aluminum foil is the paper film, the other side of the paper film is the second PXE film, and the first PXE film, the aluminum foil, the second PXE film and the paper film are wound around the winding core for a plurality of circles and soaked in epoxy resin.
Preferably, one side of the second PXE film is plated with an aluminum film, and the capacitor core is further provided with a diode and a resistor.
The invention has the beneficial effects that: the capacitor can be stably installed at a required position through the protruding ring on the supporting cylinder, the protrusion of the contact piece enables the contact piece to be stably connected with an installed circuit, the contact piece can be separated from the installed circuit through pressing the unlocking button, so that the capacitor can be quickly disassembled, assembled and stably connected, the capacitor and the installed circuit are prevented from being loosened and dangerous, the damaged capacitor can be quickly replaced, the spring prevents the contact piece from being excessively folded and even deformed, and the sleeve and the movable rod can prevent the spring from falling off; the explosion-proof device can cut off the circuit of the capacitor when the expansion danger occurs to the capacitor core, so as to avoid the danger, when the capacitor core is heated and expanded, the explosion-proof shell is jacked up, the connecting rod and the explosion-proof wire in the connecting rod are pulled, and when the capacitor core is excessively expanded, the explosion-proof wire is broken, so that the circuit of the capacitor is cut off, and the capacitor is protected; the capacitor core is formed by eight layer membrane windings, constitute interior string formula structure through second PXE membrane and aluminium foil, increase withstand voltage value, improve self-healing, the reinforcing capacitance value, through increaseing the winding number of piles, make the capacitor core bear higher operating voltage in the use, and heat conduction through epoxy and heat radiation fins, the working life of capacitor has been improved, interior string formula structure has strengthened the electric charge amount that the capacitor bore, the application scope of capacitor has been enlarged, make the capacitor can bear the high frequency, the impact of high voltage, and then replace electrolytic capacitor as starting capacitor, reduce the part kind, the convenience is maintained the circuit.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic diagram of an interface structure according to the present invention;
FIG. 5 is a schematic structural diagram of an explosion-proof device according to the present invention;
FIG. 6 is a schematic diagram of the capacitor core structure of the present invention;
FIG. 7 is a schematic view of a heat sink structure according to the present invention;
in the figure: 1. a housing; 2. an interface; 3. an explosion-proof device; 4. heat dissipation fins; 5. a capacitor core; 6. a support cylinder; 7. a contact piece; 8. an unlock button; 9. a sleeve; 10. a spring; 11. a movable rod; 12. an explosion-proof shell; 13. a first conductive line; 14. explosion-proof wire; 15. a connecting rod; 16. a second conductive line; 17. winding the core; 18. a first PXE film; 19. aluminum foil; 20. a second PXE film; 21. a paper film.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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. 1-7, a self-healing metallized film dry capacitor for a microwave oven comprises a housing 1 and a pair of interfaces 2, wherein the pair of interfaces 2 are installed at the top of the housing 1, an explosion-proof device 3 is fixedly connected at the top in the housing 1, the interfaces 2 are connected with the explosion-proof device 3 through wires, heat dissipation fins 4 are installed at the bottom of the housing 1, a capacitor core 5 is installed between the heat dissipation fins 4 and the explosion-proof device 3, the capacitor core 5 is connected with the explosion-proof device 3 through wires, the side edge of the capacitor core 5 is slidably connected with the housing 1, the capacitor core 5 is soaked in epoxy resin, the housing 1 is completely sealed, moisture and humidity are prevented, the explosion-proof device 3 at the top is completely attached to the housing 1, the leakage of the epoxy resin inside is avoided, the explosion-proof device 3 prevents the capacitor from being heated and exploded due to failure, the secondary damage of an electric appliance is avoided, the interfaces 2 can facilitate the rapid replacement of the capacitor, alleviate maintenance personal's intensity of labour, can play stable connection to the condenser again, make the condenser steady operation, heat fin 4 conducts the inside heat to the condenser outside fast, avoids overheated inflation, prevents to harm the condenser.
The interface 2 comprises a supporting cylinder 6, a contact piece 7, an unlocking button 8, a sleeve 9, a spring 10 and a movable rod 11, wherein the supporting cylinder 6 is symmetrically arranged at the top of the shell 1, the upper edge of the supporting cylinder 6 is provided with a circle of protruding rings, the contact piece 7 is arranged in the supporting cylinder 6, a lead of the contact piece 7 penetrates through the bottom of the supporting cylinder 6 to be connected with the explosion-proof device 3, the contact piece 7 is a metal piece folded into a U shape, two ends of the contact piece 7 are provided with raised edges, two sides of the contact piece 7 are fixedly connected with the unlocking button 8, the unlocking button 8 penetrates through the supporting cylinder 6 to be connected with the contact piece 7, the sleeve 9 and the movable rod 11 are arranged in the contact piece 7, one end of the sleeve 9 is fixedly connected with one side of the contact piece 7, the other end of the movable rod 11 is sleeved with one end of the movable rod 11 and is in sliding connection with the movable rod 11, the other end of the movable rod 11 is fixedly connected with the other side of the contact piece 7, the spring 10 is sleeved around the sleeve 9 and the movable rod 11 and in sliding connection with the two, spring 10's both ends and contact piece 7 fixed connection support contact piece 7 through spring 10, avoid contact piece 7 because press and permanent deformation, carry on spacingly to spring 10 through sleeve 9 and movable rod 11, prevent that spring 10 from droing, through pressing release button 8, make contact piece 7 and the circuit separation that links, make the condenser can follow the circuit fast and plug.
The explosion-proof device 3 comprises an explosion-proof shell 12, a first lead 13, an explosion-proof wire 14, a connecting rod 15 and a second lead 16, wherein the explosion-proof shell 12 is arranged at the top in the shell 1, the inside of the explosion-proof shell 12 is kept hollow, two sides of the explosion-proof shell 12 are respectively penetrated through by the first lead 13, one end of the first lead 13 is connected with the interface 2, the other end of the first lead 13 is connected with the explosion-proof wire 14, the other end of the explosion-proof wire 14 is connected with the second lead 16, the explosion-proof wire 14 is positioned in the connecting rod 15, a Z-shaped hollow pipeline is dug in the connecting rod 15, the upper opening of the connecting rod 15 corresponds to the lower opening of the explosion-proof shell 12, the second lead 16 is connected with the capacitor core 5, and the explosion-proof shell 12 is tightly connected with the capacitor core 5, when the capacitor core 5 is subjected to thermal expansion due to fault, the explosion-proof shell 12 is extruded, the connecting rod 15 is pulled, the explosion-proof wire 14 in the connecting rod 15 is pulled to be broken, and therefore a capacitor circuit is cut off, and the capacitor is prevented from damaging the circuit.
The capacitor core 5 comprises a winding core 17, a first PXE film 18, an aluminum foil 19, a second PXE film 20 and a paper film 21, wherein a pair of contact points are arranged on the winding core 17, the contact points are connected with the explosion-proof device 3 through wires, each contact point is connected with one aluminum foil 19, one side of each aluminum foil 19 is the first PXE film 18, the other side of each aluminum foil 21 is the paper film 21, the other side of each paper film 21 is the second PXE film 20, the first PXE film 18, the aluminum foil 19, the second PXE film 20 and the paper film 21 are wound around the winding core 17 for a plurality of circles and soaked in epoxy resin, heat generated by the capacitor core 5 is conducted to the shell 1 through the epoxy resin and is emitted out, the capacitor is protected, the capacitance value of the capacitor is increased through winding of various films, and the high-frequency characteristic of the capacitor is improved.
One side of the second PXE film 20 is plated with an aluminum film, and a diode and a resistor are further mounted on the capacitor core 5, so that the capacitor structure of the capacitor core 5 is an inner series structure, the withstand voltage value of the capacitor core 5 is improved, and the capacitance value and the current carrying capacity of the capacitor are enhanced.
When the invention is used, the capacitor is stably sleeved at a required position through the protruding ring on the supporting cylinder 6 to prevent the capacitor from falling off, the contact piece 7 can be mutually clamped and stably connected with a mounted circuit through the protrusion of the contact piece 7, the protrusion of the contact piece 7 can be separated from the mounted circuit through pressing the unlocking button 8, so that the capacitor is quickly disassembled from the mounted circuit, the interface 2 can help workers to quickly replace a damaged capacitor, the capacitor can be stably connected with the connected circuit to avoid faults, the spring 10 prevents the contact piece 7 from being excessively pressed and even deformed, the sleeve 9 and the movable rod 11 can prevent the spring 10 from falling off, the explosion-proof shell 12 is jacked up when the capacitor core 5 is heated and expanded, and simultaneously the connecting rod 15 and the explosion-proof wire 14 in the connecting rod are pulled, when the explosion-proof wire 14 is excessively expanded, so that the explosion-proof device 3 cuts off the capacitor circuit, protection circuit that connects, capacitor core 5 is formed by eight tunic windings altogether, second PXE membrane 20 is the metallized film, have self-healing, constitute interior string formula structure through second PXE membrane 20 and aluminium foil 19, increase withstand voltage value, improve the circular current ability of capacitor through aluminium foil 19, increase the capacitance value of capacitor, diode and resistance are installed through adding to the capacitor is inside, withstand voltage ability and the shock resistance ability to the capacitor further promote, make the capacitor can last charge and discharge in harsher operational environment.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (2)
1. The utility model provides a self-healing metallized film dry capacitor for microwave oven, its characterized in that, including shell (1) and interface (2), it is a pair of the top at shell (1) is installed in interface (2), top fixedly connected with explosion-proof equipment (3) in shell (1), interface (2) are connected with explosion-proof equipment (3) through the wire, heat radiation fins (4) are installed to the bottom of shell (1), install condenser core (5) between heat radiation fins (4) and explosion-proof equipment (3), condenser core (5) are connected with explosion-proof equipment (3) through the wire, the side and shell (1) sliding connection of condenser core (5), condenser core (5) are soaked in epoxy;
the interface (2) comprises a supporting cylinder (6), a contact piece (7), an unlocking button (8), a sleeve (9), a spring (10) and a movable rod (11), wherein the supporting cylinder (6) is symmetrically arranged at the top of the shell (1), the inner side of the upper edge of the supporting cylinder (6) is provided with a circle of protruding rings, the contact piece (7) is arranged in the supporting cylinder (6), a lead of the contact piece (7) penetrates through the bottom of the supporting cylinder (6) to be connected with the explosion-proof device (3), the contact piece (7) is a metal sheet folded into a U shape, two ends of the contact piece (7) are provided with raised edges, the two sides of the contact piece (7) are fixedly connected with the unlocking button (8), the unlocking button (8) penetrates through the supporting cylinder (6) to be connected with the contact piece (7), the sleeve (9) and the movable rod (11) are arranged inside the contact piece (7), one end of the sleeve (9) is fixedly connected with one side of the contact piece (7), the other end cover is established in the one end of movable rod (11) and with movable rod (11) sliding connection, the other end of movable rod (11) and the opposite side fixed connection of contact piece (7), spring (10) cover establish around sleeve (9) and movable rod (11) and with the two sliding connection, the both ends and contact piece (7) fixed connection of spring (10).
2. A self-healing metallized film dry capacitor for microwave oven according to claim 1, characterized in that the explosion-proof device (3) comprises an explosion-proof shell (12), a first wire (13), an explosion-proof line (14), a connecting rod (15) and a second wire (16), the explosion-proof shell (12) is installed at the top of the housing (1), the inside of the explosion-proof shell (12) is kept hollow, both sides of the explosion-proof shell (12) are respectively penetrated by the first wire (13), one end of the first wire (13) is connected with the interface (2), the other end is connected with the explosion-proof line (14), the other end of the explosion-proof line (14) is connected with the second wire (16), the explosion-proof line (14) is located inside the connecting rod (15), a Z-shaped hollow pipeline is dug inside the connecting rod (15), the upper opening of the connecting rod (15) corresponds to the lower opening of the explosion-proof shell (12), the second lead (16) is connected with the capacitor core (5).
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| CN202010858646.9A CN112002552B (en) | 2020-08-24 | 2020-08-24 | Self-healing metallized film dry capacitor for microwave oven |
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| CN202010858646.9A CN112002552B (en) | 2020-08-24 | 2020-08-24 | Self-healing metallized film dry capacitor for microwave oven |
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| CN112002552B true CN112002552B (en) | 2022-02-18 |
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| CN209571559U (en) * | 2019-04-28 | 2019-11-01 | 四川三足科技有限公司 | A kind of intelligent gateway applied to dynamic data collection system |
| CN110767458A (en) * | 2019-10-30 | 2020-02-07 | 江苏图腾电气科技有限公司 | Self-healing low-voltage parallel capacitor |
| CN211150926U (en) * | 2020-02-28 | 2020-07-31 | 遂昌县信和机械有限公司 | Industrial socket |
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| CN112002552A (en) | 2020-11-27 |
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Denomination of invention: A Self healing Metallized Film Dry Capacitor for Microwave Oven Effective date of registration: 20220927 Granted publication date: 20220218 Pledgee: Bank of China Limited Xuancheng Branch Pledgor: ANHUI JUAN KUANG ELECTRIC Co.,Ltd. Registration number: Y2022980016703 |