CN206148233U - Prevent common mode inductance of short circuit - Google Patents
Prevent common mode inductance of short circuit Download PDFInfo
- Publication number
- CN206148233U CN206148233U CN201621179296.9U CN201621179296U CN206148233U CN 206148233 U CN206148233 U CN 206148233U CN 201621179296 U CN201621179296 U CN 201621179296U CN 206148233 U CN206148233 U CN 206148233U
- Authority
- CN
- China
- Prior art keywords
- magnetic core
- common mode
- coil
- mode inductance
- rubber cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a prevent common mode inductance of short circuit, comprising a base plate, the magnetic core, the coil, the pin, rubber cylinder, round hole and connecting rod, the surface of bottom plate is equipped with the magnetic core, the magnetic core passes through connecting rod and bottom plate fixed connection, the surface of magnetic core is equipped with rubber cylinder, rubber cylinder's surface is equipped with the round hole, the inside of round hole is equipped with the coil, the bottom of bottom plate is equipped with the pin, the device is equipped with rubber cylinder through the surface at the magnetic core, and the surface at rubber cylinder is equipped with the round hole, can be so that pass the coil through the round hole when wound wire encloses, make the surface of coil evenly distributed at the magnetic core, and can be so that this common mode inductance can not lead to the fact the puncture to the coil along with the growth of live time with at the temporal instantaneous voltage of switch on when using through the distance between the rubber cylinder, the common mode inductance who makes takes place the short circuit to be caused the damage or directly damages electronic equipment, moreover, the steam generator is simple in structure, and is suitable for being generalized to use.
Description
Technical field
This utility model is related to a kind of common mode inductance, and in particular to a kind of to prevent short-circuit common mode inductance, belongs to inductance skill
Art field.
Background technology
Common mode inductance is also common mode inductance coil.Two coils of existing common mode inductance are simultaneously wound on same iron core, its work
It is as principle：When common mode current flows through common mode inductance, magnetic field in the same direction can be produced in coil and increases the induction reactance of coil, be made
Coil shows as high impedance, produces stronger damping, with this attenuation common-mode electric current, filtering common mode interference, existing inductance
Simply coil is directly anchored to the surface of magnetic core, the growth or because the moment switched on power in electrical equipment with use time
Instantaneous voltage the wire of coil is caused to puncture so that coil is short-circuited so that electrical equipment produces failure or directly
Burn, for this provide it is a kind of prevent short circuit common mode inductance.
Utility model content
The technical problems to be solved in the utility model overcomes existing common mode inductance coil to be simply directly anchored to magnetic core
Surface, unprotected measure between adjacent coil easily produces the problem of short circuit, there is provided a kind of to prevent the common mode of short circuit electric
Sense.
In order to solve above-mentioned technical problem, this utility model provides following technical scheme：
This utility model offer is a kind of to prevent short-circuit common mode inductance, including base plate, magnetic core, coil, pin, rubber column
Body, circular hole and connecting rod, the surface of the base plate is provided with the magnetic core, and the magnetic core is solid with the base plate by the connecting rod
Fixed connection, the surface of the magnetic core is provided with rubber cylinder, and the surface of the rubber cylinder is provided with the circular hole, the circular hole it is interior
Portion is provided with the coil, and the bottom of the base plate is provided with the pin.
Used as a kind of optimal technical scheme of the present utility model, the rubber cylinder is pasted in the magnetic core by glue
Surface.
Used as a kind of optimal technical scheme of the present utility model, the rubber cylinder is multiple, multiple rubber cylinders
It is uniformly distributed on the surface of the magnetic core.
Used as a kind of optimal technical scheme of the present utility model, the magnetic core is the shape of a hoof.
Used as a kind of optimal technical scheme of the present utility model, the base plate is additionally provided with a saturating sheet tin, the sheet tin
Between the two row pin.
Used as a kind of optimal technical scheme of the present utility model, the pin is tin plating stitch.
Used as a kind of optimal technical scheme of the present utility model, the base plate and the sheet tin are epoxy plate.
The beneficial effect that this utility model is reached is：The device by being provided with rubber cylinder on the surface of magnetic core, and
Circular hole is provided with the surface of rubber cylinder, can cause that coil is passed through by circular hole in wound around coil so that coil is uniform
It is distributed in the surface of magnetic core, and can causes the common mode inductance when in use will not be with by the distance between rubber cylinder
The growth of use time and the instantaneous voltage in the moment for switching on power cause to puncture to coil, and the common mode inductance for making is short-circuited
Electronic equipment is caused to damage or electronic equipment is directly damaged, simple structure is adapted to promote the use of.
Description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and constitutes a part for description, with this practicality
New embodiment is used to explain this utility model together, does not constitute to restriction of the present utility model.In the accompanying drawings：
Fig. 1 is structural representation of the present utility model；
In figure：1st, base plate；2nd, magnetic core；3rd, coil；4th, pin；5th, rubber cylinder；6th, circular hole；7th, connecting rod.
Specific embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain this utility model, be not used to limit this utility model.
Embodiment 1
As shown in figure 1, this utility model provide it is a kind of prevent short circuit common mode inductance, including base plate 1, magnetic core 2, coil 3,
Pin 4, rubber cylinder 5, circular hole 6 and connecting rod 7, the surface of base plate 1 is provided with magnetic core 2, and magnetic core 2 is consolidated by connecting rod 7 with base plate 1
Fixed connection, the surface of magnetic core 2 is provided with rubber cylinder 5, and the surface of rubber cylinder 5 is provided with circular hole 6, and the inside of circular hole 6 is provided with coil
3, the bottom of base plate 1 is provided with pin 4, the device by being provided with rubber cylinder 5 on the surface of magnetic core 2, and in rubber cylinder 5
Surface is provided with circular hole 6, can cause that coil 3 is passed through by circular hole 6 in wound around coil 3 so that coil 3 is evenly distributed on magnetic
The surface of core 2, and by the distance between rubber cylinder 5 can cause the common mode inductance when in use will not with using when
Between growth and the instantaneous voltage in the moment for switching on power coil 3 is caused to puncture, the common mode inductance for making is short-circuited to electricity
Sub- equipment causes to damage or directly damage electronic equipment.
Rubber cylinder 5 is pasted on the surface of magnetic core 2 by glue, and rubber cylinder 5 is pasted by glue and can cause the rubber
Glue cylinder 5 has insulating properties, it is ensured that the insulating properties between coil 3.Rubber cylinder 5 is multiple, and multiple rubber cylinders 5 are in magnetic core
2 surface is uniformly distributed, and rubber cylinder 5 is uniformly distributed on the surface of magnetic core 2 can be so that coil 3 be also presented in the table of magnetic core 2
Even distribution so that the effect of the common mode inductance filtering is more preferable.Magnetic core 2 is the shape of a hoof.Base plate 1 is additionally provided with a saturating sheet tin, saturating stannum
Plate is located between two row pins.Pin 4 is tin plating stitch, and tin plating effect makes to prevent the pin 4 from aoxidizing.Base plate 1 and thoroughly
Sheet tin is epoxy plate, and epoxy plate has good insulating properties.
The device be it is a kind of prevent short circuit common mode inductance, when the device is in use, pin 4 insert need filtering electricity
In the circuit board of device, switch on power, the electronic component of electrical equipment inside brings into operation, the operation of electronic component can produce electromagnetic wave or
Person's electromagnetic interference signal, when electric current flowing through coil 3, due to the same tropism of electric current, can produce magnetic field in the same direction in coil 3 and
The induction reactance of increase coil, makes coil 3 show as high impedance, stronger damping is produced, with this decay current, so as to reach filter
The purpose of ripple, coil 3 can be caused in the table of magnetic core 2 by being provided with the circular hole 6 on rubber cylinder 5 and top on the surface of magnetic core 2
Face is uniformly distributed and prevents the common mode inductance from producing to coil 3 in the flashy instantaneous voltage for switching on power and punctures coil 3,
So that the situation that adjacent coil 3 is short-circuited.
The device is provided with circular hole by being provided with rubber cylinder on the surface of magnetic core on the surface of rubber cylinder, can be with
So that coil is passed through by circular hole in wound around coil so that coil is evenly distributed on the surface of magnetic core, and by rubber
The distance between cylinder can cause the common mode inductance with the growth of use time and will not switch on power when in use
The instantaneous voltage of moment causes to puncture to coil, and the common mode inductance for making is short-circuited and electronic equipment is caused to damage or is directly damaged
Bad electronic equipment, simple structure is adapted to promote the use of.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, this is not limited to
Utility model, although being described in detail to this utility model with reference to the foregoing embodiments, for those skilled in the art
For, it still can modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent.It is all it is of the present utility model spirit and principle within, any modification, equivalent substitution and improvements made etc.,
Should be included within protection domain of the present utility model.
Claims (7)
1. it is a kind of prevent short circuit common mode inductance, including base plate (1), magnetic core (2), coil (3), pin (4), rubber cylinder (5),
Circular hole (6) and connecting rod (7), it is characterised in that the surface of the base plate (1) is provided with the magnetic core (2), the magnetic core (2) is led to
Cross the connecting rod (7) to be fixedly connected with the base plate (1), the surface of the magnetic core (2) is provided with rubber cylinder (5), the rubber
The surface of glue cylinder (5) is provided with the circular hole (6), and the inside of the circular hole (6) is provided with the coil (3), the base plate (1)
Bottom is provided with the pin (4).
2. it is according to claim 1 it is a kind of prevent short circuit common mode inductance, it is characterised in that the rubber cylinder (5) lead to
Cross glue to paste on the surface of the magnetic core (2).
3. a kind of common mode inductance for preventing short circuit according to claim 1, it is characterised in that the rubber cylinder (5) is
Several, several described rubber cylinders (5) are uniformly distributed on the surface of the magnetic core (2).
4. it is according to claim 1 it is a kind of prevent short circuit common mode inductance, it is characterised in that the magnetic core (2) is Horse hoof
Shape.
5. it is according to claim 1 it is a kind of prevent short circuit common mode inductance, it is characterised in that the base plate (1) also sets up
There is a saturating sheet tin, the sheet tin is located between the two row pin.
6. it is according to claim 1 it is a kind of prevent short circuit common mode inductance, it is characterised in that the pin (4) is tin plating
Stitch.
7. it is a kind of according to claim 1 or 5 to prevent short-circuit common mode inductance, it is characterised in that the base plate (1) and institute
State sheet tin and be epoxy plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621179296.9U CN206148233U (en) | 2016-10-27 | 2016-10-27 | Prevent common mode inductance of short circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621179296.9U CN206148233U (en) | 2016-10-27 | 2016-10-27 | Prevent common mode inductance of short circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206148233U true CN206148233U (en) | 2017-05-03 |
Family
ID=58624423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621179296.9U Expired - Fee Related CN206148233U (en) | 2016-10-27 | 2016-10-27 | Prevent common mode inductance of short circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206148233U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106998131A (en) * | 2017-05-19 | 2017-08-01 | 北京唐浩电力工程技术研究有限公司 | A kind of system and method for preventing fan converter IGBT from switching transient current impact |
| CN107546032A (en) * | 2017-08-11 | 2018-01-05 | 武胜县同鑫电子有限公司 | A kind of network filter coiling process for producing |
-
2016
- 2016-10-27 CN CN201621179296.9U patent/CN206148233U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106998131A (en) * | 2017-05-19 | 2017-08-01 | 北京唐浩电力工程技术研究有限公司 | A kind of system and method for preventing fan converter IGBT from switching transient current impact |
| CN107546032A (en) * | 2017-08-11 | 2018-01-05 | 武胜县同鑫电子有限公司 | A kind of network filter coiling process for producing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190118 Address after: 230000 Shenzhen-Hong Kong Digital Industrial Park, Hefei High-tech Zone, Anhui Province, 8 A Unit A2801 Patentee after: Anhui Bogor Electronics Co., Ltd. Address before: 230000 Lotus Enterprise Park, Tianmen Road, Jingkai District, Hefei City, Anhui Province Patentee before: Hefei Yatai Electrical Appliance Co., Ltd. |
|
| 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: 20170503 Termination date: 20181027 |