CN208548231U - Network filter - Google Patents
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- CN208548231U CN208548231U CN201820899988.3U CN201820899988U CN208548231U CN 208548231 U CN208548231 U CN 208548231U CN 201820899988 U CN201820899988 U CN 201820899988U CN 208548231 U CN208548231 U CN 208548231U
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Abstract
The utility model discloses a kind of network filters, it includes an insulating base, several first conductive terminals, several second conductive terminals and several magnetic coils, insulating base includes several side walls and a bottom wall, side wall and bottom wall form an accommodation groove, first conductive terminal is arranged in the two lateral walls of insulating base in two-row spacing, second conductive terminal is arranged in the two lateral walls where the first conductive terminal in two-row spacing, magnetic coil is placed in accommodation groove, it is electrically connected respectively with the first weld part and the second weld part after the lead removal insulating layer of magnetic coil, second conductive terminal on same side wall is electrically connected by a connecting rod.The utility model structure is simple, it is easy to implement short circuit, is conducive to operation, and reliability is higher, without changing the wiring of external circuit, improve the commonality of the external circuit board, when applied to network transmission circuit, there is higher carrying out surge protection grade, the external common-mode lightning stroke energy that can quickly will suffer from quickly introduces ground terminal.
Description
Technical field
The utility model relates to technical field of electronic products, in particular to a kind of network filter.
Background technique
With the development of computer technology and the communication technology, the application of network is also extensive and important therewith.Network filter
It is a kind of with good electronic component that is anti-interference, can effectively ensure that network information transfer, is now widely used for network system
In.Network filter is usually made of the insulation shell, magnetic coil and conductive terminal that are provided with accommodation groove, and conductive terminal is fixed
In insulation shell two lateral walls, magnetic coil is placed in accommodation groove, and conductive terminal one end is electrically connected with magnetic coil, another
End is electrically connected with external circuit, and magnetic coil is extended with for forming the lead being electrically connected with conductive terminal, and lead passes through welding
Or be wound in conductive terminal, thus with conductive terminal formed it is fixed be electrically connected, lead and conductive terminal correspond, tradition
To be spaced from each other between the conductive terminal of network filter, such as the Chinese utility model of Patent No. ZL201420132868.2
A kind of network transformer disclosed in patent, it is fast with the common mode lightning stroke energy that will suffer from external when circuit requirements are shorted
Speed imports ground terminal and protects electronic product, needs for more leads to be electrically connected in same conductive terminal, but due to lead at this time
It is usually electrically connected by welding or canoe with conductive terminal formation, therefore is unfavorable for operation, also, reliability is lower, separately
Outside, it can be also shorted by external circuit, but external circuit needs re-start wiring, to reduce the external circuit board
Commonality.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides one kind and is easy to implement short circuit, is conducive to operation, can be quickly
The external common-mode lightning stroke energy that will suffer from imports the network filter of ground terminal.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of network filter comprising: an insulating base, including several side walls and a bottom wall, the side wall and bottom wall
Form an accommodation groove；Several first conductive terminals, the two lateral walls of the insulating base are arranged in two-row spacing, including sudden and violent
The first weld part for being exposed to wall upper surface, the first connecting portion being fixed in side wall and the first pin portion for extending side wall,
First weld part and the first pin portion are connected by first connecting portion；Several second conductive terminals are in two-row spacing cloth
The two lateral walls being placed in where the first conductive terminal, including being exposed to the second weld part of wall upper surface, being fixed on side wall
Interior second connecting portion and the second pin portion for extending side wall, second weld part and the second pin portion pass through the second connection
Portion is connected；Several magnetic coils, are placed in accommodation groove, including magnet ring and the enameled wire being wound on magnet ring, the enamel-cover
It is metallic conductor inside line, surface is coated with insulating layer, and the enameled wire has the lead for extending magnet ring, the lead removal
It is electrically connected respectively with the first weld part and the second weld part after insulating layer, second conductive terminal on same side wall is logical
Cross connecting rod electrical connection.
As an improvement of the above technical solution, the connecting rod and the second conductive terminal integrally connected.
As a further improvement of the above technical scheme, the connecting rod includes a body of rod and several connections from body of rod protrusion
Neck, the connection neck and the second weld part integrally connected.
Further, the connecting rod is fixed in side wall.
Further, the spacing of adjacent two second conductive terminal is greater than the spacing of adjacent two first conductive terminal.
Further, the lead includes signal wire and tap line, and the signal wire is electrically connected to the first weld part, the pumping
Head line is connected to the second weld part.
Further, it is integrated respectively with the first weld part and the second weld part welding after the lead removal insulating layer.
Further, the magnetic coil includes the transformer coil and common mode choke being electrically connected to each other.
Further, first conductive terminal and the second conductive terminal are connected as one by a separable material strip.
Further, the material strip is provided with the protrusion being connected with the first conductive terminal and the second conductive terminal, described convex
Portion is connected with the first pin portion and the second pin portion respectively.
The beneficial effects of the utility model are: the utility model is led to by that will be located at the second conductive terminal on same side wall
Connecting rod electrical connection is crossed, so that the second conductive terminal is mutually shorted together, structure is simple, can realize easily, as long as by more
Lead is respectively electrically connected to the second conductive terminal, and short circuit can be realized, it is not necessary that more leads are electrically connected to same conductive terminal
On, it is convenient for operation, and reliability is higher, meanwhile, without changing the wiring of external circuit, improve sharing for the external circuit board
Property, in addition, lead includes signal wire and tap line, by the way that signal wire is electrically connected to the first weld part, tap line is connect
To the second weld part, so that tap line is mutually shorted together, convenient for being electrically connected to a common external ground terminal, to be promoted
The carrying out surge protection grade of network filter, the external common-mode lightning stroke energy that can quickly will suffer from quickly introduce ground terminal, are not necessarily to volume
Outer setting carrying out surge protection element, to realize saving cost.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model assembled state.
Fig. 2 is the structural schematic diagram of another angle of the utility model.
Fig. 3 is the structural schematic diagram of insulating base in the utility model.
Fig. 4 is the decomposing state structural schematic diagram of insulating base in the utility model.
Fig. 5 is the structural schematic diagram of the second conductive terminal in the utility model.
Fig. 6 is the corresponding electrical block diagram of the utility model.
Fig. 7 is the structural schematic diagram of material strip assembled state in the utility model.
Fig. 8 is the structural schematic diagram of material strip decomposing state in the utility model.
Specific embodiment
Referring to figs. 1 to shown in Fig. 5, a kind of network filter comprising an insulating base 1, several first conductive terminals 2,
Several second conductive terminals 3 and several magnetic coils 4.
Insulating base 1 includes several side walls 11 and a bottom wall 12, and the side wall 11 and bottom wall 12 form an accommodation groove 13.
First conductive terminal 2 is arranged in the two lateral walls 11 of the insulating base 1 in two-row spacing, and first is conductive
Terminal 2 includes the first weld part 21 for being exposed to 11 upper surface of side wall, the first connecting portion 22 being fixed in side wall 11 and extends
First pin portion 23 of side wall 11 out, first weld part 21 and the first pin portion 23 are connected by first connecting portion 22,
11 upper surface of side wall is referring to shown in coordinate in Fig. 3, and positioned at the top of side wall 11 shown in Fig. 3, second conductive terminal 3 is in two
Arranged for interval is arranged in the two lateral walls 11 where the first conductive terminal 2, the second conductive terminal 3 includes being exposed to table on side wall 11
Second weld part 31 in face, the second connecting portion 32 being fixed in side wall 11 and the second pin portion 33 for extending side wall 11, institute
It states the second weld part 31 and is connected with the second pin portion 33 by second connecting portion 32, the first pin portion 23 and the second pin portion 33
For being electrically connected with external circuit, second conductive terminal 3 on same side wall 11 is electrically connected by a connecting rod 34
It connects, to realize short circuit.
As shown in Figure 1, the magnetic coil 4 is placed in accommodation groove 13 comprising magnet ring 41 and be wound on magnet ring 41
Enameled wire 42, be metallic conductor inside the enameled wire 42, surface is coated with insulating layer, and insulating layer is usually made of paint film,
It can be removed by high temperature, after there is the enameled wire 42 lead 421 for extending magnet ring 41, the lead 421 to remove insulating layer
It is electrically connected respectively with the first weld part 21 and the second weld part 31.
Further, 3 integrally connected of the connecting rod 34 and the second conductive terminal, the connecting rod 34 is including a body of rod 341 and certainly
Several connection necks 342 that the body of rod 341 protrudes, the body of rod 341 is in linear type in the utility model, but simultaneously with no restrictions, the company
31 integrally connected of neck 342 and the second weld part is connect, the connecting rod 34 is fixed in side wall 11, i.e. connecting rod 34 and the second conductive terminal
3 are molded with by integrated punching, and that saves connecting rod 34 and the second conductive terminal 3 assembles process, and can effectively ensure connecting rod 34
The reliability being electrically connected with the second conductive terminal 3.
As shown in figure 4, one side wall 11 is fixed at least two first conductive terminals 2 and two second conductive terminals 3, it is described adjacent
The spacing of two second conductive terminals 3 is greater than the spacing of adjacent two first conductive terminal 2.
It is electrical block diagram corresponding with the utility model referring to shown in Fig. 6, the magnetic coil 4 includes mutual
The transformer coil 43 and common mode choke 44 of electrical connection, the lead 421 includes signal wire 4211 and tap line 4212, described
Signal wire 4211 is electrically connected to the first weld part 21, and the tap line 4212 is connected to the second weld part 31.
It is described to draw in order to make lead 421 form being electrically connected for fixation with the first weld part 21 and the second weld part 31 respectively
Line 421 is integrated with the first weld part 21 and 31 welding of the second weld part respectively after removing insulating layer.Specifically it is achieved in that
A plumb joint is pressed on lead 421, connects lead 421 closely with the first weld part 21 and the second weld part 31 respectively
Touching, is then switched on electric current, and under the action of resistance heat, the insulating layer on 421 surface of lead is removed, internal metallic conductor into
One step is integrated with the first weld part 21 and 31 welding of the second weld part, forms solder joint after cooling.
In addition, first conductive terminal 2 and the second conductive terminal 3 are separable by one referring to shown in Fig. 7 and Fig. 8
Material strip 5 is connected as one, and the first conductive terminal 2 and the second conductive terminal 3 of integral structure can pass through injection molding process or group
Dress technique is fixed on insulating base 1, and when being fixed by injection molding process, material strip 5 can play the role of being connected and fixed,
Prevent the position of the first conductive terminal 2 and the second conductive terminal 3 when injection molding from changing, injection molding process molds absolutely
Edge pedestal 1, while the first conductive terminal 2 and the second conductive terminal 3 being fixed on insulating base 1, injection molding process terminates
It afterwards, can be by bending or cutting removal material strip 5.The material strip 5 is provided with and 3 phase of the first conductive terminal 2 and the second conductive terminal
The protrusion 51 of connection, the protrusion 51 are connected with the first pin portion 23 and the second pin portion 33 respectively.
The utility model is electrically connected by the second conductive terminal 3 that will be located on same side wall 11 by a connecting rod 34, is made
It obtains the second conductive terminal 3 to be mutually shorted together, structure is simple, can realize easily, as long as more leads 421 are electrically connected
To the second conductive terminal 3, short circuit can be realized, it is not necessary that more leads 421 are electrically connected in same conductive terminal, convenient for making
Industry, and reliability is higher, meanwhile, without changing the wiring of external circuit, the commonality of the external circuit board is improved, in addition, drawing
Line 421 includes signal wire 4211 and tap line 4212, by the way that signal wire 4211 is electrically connected to the first weld part 21, tap line
4212 are connected to the second weld part 31, common convenient for being electrically connected to one so that tap line 4212 is mutually shorted together
External ground terminal 6, as shown in circuit module in dotted line frame 7 in Fig. 7, so that the carrying out surge protection grade of network filter is promoted, it can
The external common-mode lightning stroke energy that quickly will suffer from quickly introduces ground terminal 6, without additional setting carrying out surge protection element, to realize section
Cost-saving.
The above, the only better embodiment of the utility model, but the utility model is not limited to above-mentioned reality
Example is applied, as long as its technical effect for reaching the utility model with any same or similar means, should all fall into the utility model
Protection scope.
Claims (10)
1. a kind of network filter comprising:
One insulating base, including several side walls and a bottom wall, the side wall and bottom wall form an accommodation groove；
Several first conductive terminals, the two lateral walls of the insulating base are arranged in two-row spacing, including are exposed to side wall
First weld part of upper surface, the first connecting portion being fixed in side wall and the first pin portion for extending side wall, described first
Weld part and the first pin portion are connected by first connecting portion；
Several second conductive terminals, the two lateral walls being arranged in two-row spacing where the first conductive terminal, including be exposed to
Second weld part of wall upper surface, the second connecting portion being fixed in side wall and the second pin portion for extending side wall, it is described
Second weld part and the second pin portion are connected by second connecting portion；
Several magnetic coils, are placed in accommodation groove, including magnet ring and the enameled wire that is wound on magnet ring, inside the enameled wire
For metallic conductor, surface is coated with insulating layer, and the enameled wire has the lead for extending magnet ring, and the lead removes insulating layer
It is electrically connected respectively with the first weld part and the second weld part afterwards, it is characterised in that: second conduction on same side wall
Terminal is electrically connected by a connecting rod.
2. network filter according to claim 1, it is characterised in that: the connecting rod integrally connects with the second conductive terminal
It connects.
3. network filter according to claim 1, it is characterised in that: the connecting rod includes a body of rod and protrudes from the body of rod
Several connection necks, the connection neck and the second weld part integrally connected.
4. network filter according to any one of claims 1 to 3, it is characterised in that: the connecting rod is fixed in side wall.
5. network filter according to claim 1, it is characterised in that: the spacing of adjacent two second conductive terminal is big
In the spacing of adjacent two first conductive terminal.
6. network filter according to claim 1, it is characterised in that: the lead includes signal wire and tap line, institute
It states signal wire and is electrically connected to the first weld part, the tap line is connected to the second weld part.
7. network filter according to claim 1 or 6, it is characterised in that: after lead removal insulating layer respectively with
First weld part and the second weld part welding are integrated.
8. network filter according to claim 1, it is characterised in that: the magnetic coil includes the change being electrically connected to each other
Transformer coil and common mode choke.
9. network filter according to claim 1, it is characterised in that: first conductive terminal and the second conductive terminal
It is connected as one by a separable material strip.
10. network filter according to claim 9, it is characterised in that: the material strip is provided with and the first conductive terminal
The protrusion being connected with the second conductive terminal, the protrusion are connected with the first pin portion and the second pin portion respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820899988.3U CN208548231U (en) | 2018-06-11 | 2018-06-11 | Network filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820899988.3U CN208548231U (en) | 2018-06-11 | 2018-06-11 | Network filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208548231U true CN208548231U (en) | 2019-02-26 |
Family
ID=65421192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820899988.3U Active CN208548231U (en) | 2018-06-11 | 2018-06-11 | Network filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208548231U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110517866A (en) * | 2019-09-05 | 2019-11-29 | 东莞市富航电子科技有限公司 | Network filter pedestal and network filter |
-
2018
- 2018-06-11 CN CN201820899988.3U patent/CN208548231U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110517866A (en) * | 2019-09-05 | 2019-11-29 | 东莞市富航电子科技有限公司 | Network filter pedestal and network filter |
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