CN202231608U - Power-supply filter with high voltage-resistant strength - Google Patents
Power-supply filter with high voltage-resistant strength Download PDFInfo
- Publication number
- CN202231608U CN202231608U CN2011203440630U CN201120344063U CN202231608U CN 202231608 U CN202231608 U CN 202231608U CN 2011203440630 U CN2011203440630 U CN 2011203440630U CN 201120344063 U CN201120344063 U CN 201120344063U CN 202231608 U CN202231608 U CN 202231608U
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- Prior art keywords
- power
- supply filter
- insulator
- high voltage
- leading end
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- Expired - Fee Related
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Abstract
The utility model discloses a power-supply filter with high voltage-resistant strength, which comprises a shell and a wire leading end; the root part of the wire leading end is installed on the shell wall; a ceramic sintered insulator is arranged at the root part of the wire leading end; and the ceramic sintered insulator is wrapped at the root part of the wire leading end in a sealed manner. According to the power-supply filter with the high voltage-resistant strength disclosed by the utility model, the ceramic sintered insulator is used as a fixed wire leading end and also used as a medium insulated between the wire leading end and the shell; both the mechanical stress resistant strength and the insulation strength are obviously increased; the problems of being insufficient in the mechanical stress resistant strength and the high voltage resistant strength of the root insulator of the current power-supply filter are solved; and security incidents resulted from vibration damage of the power-supply filter or breakdown of the insulator by high voltage can be avoided.
Description
Technical field
The utility model relates to a kind of power-supply filter, relates in particular to a kind of power-supply filter with high compressive resistance, belongs to the production field of power-supply filter.
Background technology
Power-supply filter is installed between power supply and the load, is used for the filter out power clutter, makes the power supply of load end more stable.The part power-supply filter requires root to need dielectric voltage withstand intensity high; And own wt is heavier; Like electromagnetic interface filter (a kind of low pass filter of being made up of inductance and electric capacity), and existing electromagnetic interface filter generally adopts glass insulation in the insulation processing of lead end root, and its anti-mechanical stress intensity is relatively poor, dielectric voltage withstand intensity is lower; So cause product to cause that in anti-mechanical stress process the insulator of lead end root breaks easily, and then cause seepage and damage the consequence of filter; In addition, when high insulation voltage occurring, its dielectric strength is not enough, may be breakdown, and cause short circuit between lead end and the shell, thereby cause fault even security incident.
Summary of the invention
The purpose of the utility model provides a kind of power-supply filter with high compressive resistance with regard to being in order to address the above problem.
The utility model is realized above-mentioned purpose through following technical scheme:
The utility model comprises housing and lead end, and the root of said lead end is installed on the shell wall of said housing, and the root of said lead end is provided with the ceramic post sintering insulator, and said ceramic post sintering insulator seal is wrapped in the root of said lead end.The ceramic post sintering insulator has very high mechanical compression strength and dielectric voltage withstand intensity.
Further, said ceramic post sintering insulator all stretches out outside the shell wall of said housing at the two ends of the axial direction of said lead end; Said ceramic post sintering insulator stretches out the shell wall of said housing at the two ends of the axial direction of said lead end length is the 1-10 millimeter; The best is 2 millimeters.
The beneficial effect of the utility model is: the utility model employing ceramic post sintering insulator is as the anchor leg end and make lead end and the medium of casing insulation; The intensity and the dielectric strength of its anti-mechanical stress all significantly improve; Solved the anti-mechanical stress intensity of existing power supply filter and the problem of the high pressure resistant undercapacity of root insulator, avoided power-supply filter because of being damaged by vibrations or insulator breakdown being caused security incident because of high pressure.
Description of drawings
Fig. 1 is the front view of the utility model;
Fig. 2 is that left view cuts open in the office of parts 1,2 among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further:
As depicted in figs. 1 and 2, the utility model comprises housing 3 and lead end 2, and the root of lead end 2 is installed on the shell wall 4 of housing 3, and the root of lead end 2 is provided with ceramic post sintering insulator 1, and ceramic post sintering insulator 1 sealed envelope is in the root of lead end 2.
As shown in Figure 2, ceramic post sintering insulator 1 is outside the shell wall 4 of housing 3 is all stretched out at the two ends of the axial direction of lead end 2; Ceramic post sintering insulator 1 stretches out the shell wall 4 of housing 3 at the two ends of the axial direction of lead end 2 length is 2 millimeters, also can be other length in the 1-10 millimeter, looks specific requirement and decides.
Compare with the conventional glass insulator, ceramic post sintering insulator 1 has lot of advantages, and the correction data of concrete performance is following:
Through overtesting, the utility model is applied on the aircraft, through long-time follow-up investigations, a routine power-supply filter also do not occur and the phenomenon that insulator breaks occurs; And used the power-supply filter of glass insulator originally, and because the vibration of aircraft is bigger, the problem that insulator breaks can take place once in a while, have to change whole power-supply filter.
In the test, also the utility model is applied on the naval vessel, a routine power-supply filter causes electric leakage because of insulator breaks phenomenon does not also appear in long-time follow-up investigations; And used the power-supply filter of glass insulator originally, and occurred several and caused the phenomenon of power supply electric leakage inadequately owing to dielectric strength, also have to change whole power-supply filter.
The above; Be merely the embodiment of the utility model; But the protection range of the utility model is not limited thereto; Any technical staff who is familiar with the present technique field is in the utility model scope of disclosure, and the variation that can expect easily or replacement all are encompassed in the protection range of the utility model.
Claims (4)
1. power-supply filter with high compressive resistance; Comprise housing and lead end; The root of said lead end is installed on the shell wall of said housing; It is characterized in that: the root of said lead end is provided with the ceramic post sintering insulator, and said ceramic post sintering insulator seal is wrapped in the root of said lead end.
2. the power-supply filter with high compressive resistance according to claim 1 is characterized in that: said ceramic post sintering insulator all stretches out outside the shell wall of said housing at the two ends of the axial direction of said lead end.
3. the power-supply filter with high compressive resistance according to claim 2 is characterized in that: said ceramic post sintering insulator stretches out the shell wall of said housing at the two ends of the axial direction of said lead end length is the 1-10 millimeter.
4. the power-supply filter with high compressive resistance according to claim 3 is characterized in that: said ceramic post sintering insulator stretches out the shell wall of said housing at the two ends of the axial direction of said lead end length is 2 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203440630U CN202231608U (en) | 2011-09-15 | 2011-09-15 | Power-supply filter with high voltage-resistant strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203440630U CN202231608U (en) | 2011-09-15 | 2011-09-15 | Power-supply filter with high voltage-resistant strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202231608U true CN202231608U (en) | 2012-05-23 |
Family
ID=46082180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203440630U Expired - Fee Related CN202231608U (en) | 2011-09-15 | 2011-09-15 | Power-supply filter with high voltage-resistant strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202231608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050248A (en) * | 2012-12-26 | 2013-04-17 | 中国航天时代电子公司 | Weather-proof isolation transformer with metal full filling and sealing structure |
-
2011
- 2011-09-15 CN CN2011203440630U patent/CN202231608U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050248A (en) * | 2012-12-26 | 2013-04-17 | 中国航天时代电子公司 | Weather-proof isolation transformer with metal full filling and sealing structure |
| CN103050248B (en) * | 2012-12-26 | 2015-11-25 | 中国航天时代电子公司 | The isolating transformer of the full embedding structure of a kind of metal of resistance to environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20180915 |