CN104966613A - Microwave oven capacitor - Google Patents
Microwave oven capacitor Download PDFInfo
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- CN104966613A CN104966613A CN201510361478.1A CN201510361478A CN104966613A CN 104966613 A CN104966613 A CN 104966613A CN 201510361478 A CN201510361478 A CN 201510361478A CN 104966613 A CN104966613 A CN 104966613A
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- capacitor
- capacitor core
- microwave oven
- aluminium shell
- binding post
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Abstract
The invention relates to a microwave oven capacitor with a metal housing. The microwave oven capacitor comprises an aluminum housing, a capacitive core, a discharging resistor, an insulating buckle cover, a grounding terminal and a terminal positioning sleeve. The top of the aluminum housing is open. The capacitive core and the discharging resistor are connected in parallel and are packaged in the aluminum housing through the insulating buckle cover. The wiring terminal is arranged on the insulating buckle cover and is electrically connected with the capacitive core and the discharging resistor. The terminal positioning sleeve is arranged outside the wiring terminal. A lower insulating solid sealing layer is arranged between the lower part of the capacitive core and the aluminum housing. A solid-liquid state conversion expansion layer is arranged between the middle part of the capacitive core and the aluminum housing. Upper insulating solid sealing layers are arranged between the upper part of the capacitive core and the aluminum housing and between the upper part of the capacitive core and the insulating buckle cover. A heat conduction flame retardant anti-explosion layer is poured between the top of the insulating buckle cover and the opening of the top of the aluminum housing.
Description
Technical field
The present invention relates to capacitor technology field, particularly a kind of capacitor for microwave oven with metal shell.
Background technology
China Patent No. CN201420077823.X discloses a kind of microwave oven film capacitor on August 6th, 2014, comprise metal shell, capacitor core, discharge resistance, insulation cover plate, binding post and terminal insulative cover, capacitor core and discharge resistance are connected in parallel, and be arranged on bottom insulation cover plate, binding post is arranged on insulation cover plate top, and be electrically connected with capacitor core and discharge resistance, terminal insulative is set on binding post periphery, described metal shell top is opened wide, metal shell inwall is provided with supporting convex near the top place of opening wide, insulation cover plate is carried on supporting convex, heat conduction explosion-proof layer is filled with in metal shell, capacitor core, discharge resistance and insulation cover plate are encapsulated in metal shell by heat conduction explosion-proof layer.This microwave oven film capacitor has anti-riot ability, but its explosion-proof rank is: when capacitor temperature is too high, may cause capacitor internal short circuit or open circuit, so have much room for improvement.
Summary of the invention
The object of the present invention is to provide a kind of simple and reasonable for structure, disconnecting realizing explosion-proof, safe and reliable capacitor for microwave oven, to overcome the deficiencies in the prior art by making capacitor core and its operating circuit.
The object of the present invention is achieved like this:
A kind of capacitor for microwave oven, comprise aluminium shell, capacitor core, discharge resistance, insulation buckle closure, binding post and terminal position cover, aluminium cover top portion is opened wide, be contained in aluminium shell by insulation buckle cap seal after capacitor core is in parallel with discharge resistance, binding post is arranged on insulation buckle and covers, and be electrically connected with capacitor core and discharge resistance, terminal position is set on outside binding post, lower insulation sealing layer is provided with between described capacitor core bottom and aluminium shell, be provided with mushy stage in the middle part of capacitor core and between aluminium shell and change expanding layer, capacitor core top and aluminium shell and insulate between buckle closure and be provided with insulation sealing layer, between insulation buckle tops and aluminium cover top portion open ports, embedding has heat conductive flame-retarding explosion-proof layer, the upper and lower two ends of described capacitor core are respectively equipped with electrode, electrode is electrically connected by wire and binding post the inner, wire two ends are welded and fixed with electrode and binding post respectively, described capacitor for microwave oven also comprises high-voltage diode ground outlet, its Electrode connection that is inner and capacitor core, outer end is stretched out outside aluminium shell.
Described discharge resistance is arranged in mushy stage conversion expanding layer.
Described high-voltage diode ground outlet is serially connected with high-voltage diode, and high-voltage diode is positioned at aluminium shell.
Beneficial effect of the present invention is as follows:
(1) this kind of capacitor for microwave oven have employed segmented encapsulation, wherein, the mushy stage be positioned at outside in the middle part of capacitor core changes expanding layer when temperature is lower than 70 degrees Celsius, in solid-state, there is no mobility, when capacitor core punctures, temperature is higher than 70 degrees Celsius, mushy stage conversion expanding layer is transformed into liquid state and expands, upper and lower insulation sealing layer is impacted simultaneously, cause the position of wire bonds directly to be broken, guarantee that product is opened a way, fully demonstrate explosive-proof grade and can reach S2 level (specifying according to microwave oven electric capacity explosive-proof grade new criteria IEC);
(2) discharge resistance of this kind of capacitor for microwave oven is arranged in mushy stage conversion expanding layer, when capacitor discharge, will convert electric energy to heat energy by resistance, and heat energy falls apart after mushy stage conversion expanding layer is passed to aluminium shell;
(3) this kind of capacitor for microwave oven is provided with high-voltage diode ground outlet, and high-voltage diode ground outlet the inner is electrically connected by an electrode of high-voltage diode and capacitor core, can simplify circuit in microwave oven;
(4) insulation buckle of this kind of capacitor for microwave oven covers after the encapsulation of heat conductive flame-retarding explosion-proof layer, and this product naked light burns and cannot burn for 1 minute, can reach flame retardant effect completely.
Accompanying drawing explanation
Fig. 1 is one embodiment of the invention structural representation.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Ginseng as shown in Figure 1, a kind of capacitor for microwave oven, comprise aluminium shell 1, capacitor core 7, discharge resistance 2, insulation buckle closure 3, binding post 4 and terminal position cover 5, aluminium shell 1 top is opened wide, be encapsulated in aluminium shell 1 by the buckle closure 3 that insulate after capacitor core 7 is in parallel with discharge resistance 2, binding post 4 is arranged on insulation buckle closure 3, and be electrically connected with capacitor core 7 and discharge resistance 2, terminal position cover 5 is arranged on outside binding post 4, lower insulation sealing layer 6 is provided with between described capacitor core 7 bottom and aluminium shell 1, be provided with mushy stage in the middle part of capacitor core 7 and between aluminium shell 1 and change expanding layer 8, capacitor core 7 top and aluminium shell 1 and insulate between buckle closure 3 and be provided with insulation sealing layer 10, between insulation buckle closure 3 top and aluminium shell 1 top open ports, embedding has heat conductive flame-retarding explosion-proof layer 11, described capacitor core about 7 two ends are respectively equipped with electrode, electrode is electrically connected by wire 13 and binding post 4 the inner, wire 13 two ends are welded and fixed with electrode and binding post 4 respectively, described capacitor for microwave oven also comprises high-voltage diode ground outlet 12, its Electrode connection that is inner and capacitor core 7, outer end is stretched out outside aluminium shell 1.
Described discharge resistance 2 is arranged in mushy stage conversion expanding layer 8.
Described high-voltage diode ground outlet 12 is serially connected with high-voltage diode 9, and high-voltage diode 9 is positioned at aluminium shell
In 1.
Described upper insulation sealing layer 10 and lower insulation sealing layer 6 are epoxy resin layers.
The material of described mushy stage conversion expanding layer 8 has the characteristic of heat conduction, good heat dissipation.
Described heat conductive flame-retarding explosion-proof layer 11 adopts heat conductive flame-retarding explosion-proof lamp to make.
Described terminal position cover 5 adopts bakelite material to make.
Claims (3)
1. a capacitor for microwave oven, it is characterized in that: comprise aluminium shell, capacitor core, discharge resistance, insulation buckle closure, binding post and terminal position cover, aluminium cover top portion is opened wide, be contained in aluminium shell by insulation buckle cap seal after capacitor core is in parallel with discharge resistance, binding post is arranged on insulation buckle and covers, and be electrically connected with capacitor core and discharge resistance, terminal position is set on outside binding post, lower insulation sealing layer is provided with between described capacitor core bottom and aluminium shell, be provided with mushy stage in the middle part of capacitor core and between aluminium shell and change expanding layer, capacitor core top and aluminium shell and insulate between buckle closure and be provided with insulation sealing layer, between insulation buckle tops and aluminium cover top portion open ports, embedding has heat conductive flame-retarding explosion-proof layer, the upper and lower two ends of described capacitor core are respectively equipped with electrode, electrode is electrically connected by wire and binding post the inner, wire two ends are welded and fixed with electrode and binding post respectively, described capacitor for microwave oven also comprises high-voltage diode ground outlet, its Electrode connection that is inner and capacitor core, outer end is stretched out outside aluminium shell.
2. capacitor for microwave oven according to claim 1, is characterized in that: described discharge resistance is arranged in mushy stage conversion expanding layer.
3. capacitor for microwave oven according to claim 1, is characterized in that: described high-voltage diode ground outlet is serially connected with high-voltage diode, and high-voltage diode is positioned at aluminium shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510361478.1A CN104966613A (en) | 2015-06-28 | 2015-06-28 | Microwave oven capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510361478.1A CN104966613A (en) | 2015-06-28 | 2015-06-28 | Microwave oven capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104966613A true CN104966613A (en) | 2015-10-07 |
Family
ID=54220638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510361478.1A Pending CN104966613A (en) | 2015-06-28 | 2015-06-28 | Microwave oven capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104966613A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108630432A (en) * | 2018-05-08 | 2018-10-09 | 苏州天鸿电子有限公司 | A kind of capacitor that security performance is high |
| CN113066664A (en) * | 2021-03-29 | 2021-07-02 | 安徽麦特电子股份有限公司 | Novel dry-type high-voltage capacitor for microwave oven |
| CN114334445A (en) * | 2021-12-29 | 2022-04-12 | 安徽源光电器有限公司 | 2800VAC high-voltage microwave capacitor for medical equipment |
-
2015
- 2015-06-28 CN CN201510361478.1A patent/CN104966613A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108630432A (en) * | 2018-05-08 | 2018-10-09 | 苏州天鸿电子有限公司 | A kind of capacitor that security performance is high |
| CN113066664A (en) * | 2021-03-29 | 2021-07-02 | 安徽麦特电子股份有限公司 | Novel dry-type high-voltage capacitor for microwave oven |
| CN114334445A (en) * | 2021-12-29 | 2022-04-12 | 安徽源光电器有限公司 | 2800VAC high-voltage microwave capacitor for medical equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151007 |
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| WD01 | Invention patent application deemed withdrawn after publication |