CN212463167U - Filtering module - Google Patents
Filtering module Download PDFInfo
- Publication number
- CN212463167U CN212463167U CN202021170675.8U CN202021170675U CN212463167U CN 212463167 U CN212463167 U CN 212463167U CN 202021170675 U CN202021170675 U CN 202021170675U CN 212463167 U CN212463167 U CN 212463167U
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- circuit board
- pcb circuit
- shell
- cable
- electric capacity
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Abstract
The utility model belongs to the technical field of the technique and specifically relates to a filtering module for new energy automobile. The utility model provides a filtering module, includes the shell, has laid the PCB circuit board in the mounting groove in the shell, has welded resistance and electric capacity respectively on resistance weld hole and the electric capacity weld hole on the PCB circuit board, and the welding has the cable on the wire weld hole on the PCB circuit board. This kind of cable crimping wire nose of filtering module, electric capacity and resistance pass through SMT welding on PCB circuit board, the cable welding of pressing wire nose is at PCB circuit board, then in assembling the mould shell (the mould shell has mistake proofing and reference column, conveniently fix PCB circuit board), pour into the polyurethane casting glue into towards moulding the shell after assembling, it is sealed to treat that the glue solidification forms, anti-vibration, anodal and negative pole cable nose connects anodal and negative pole at the battery package respectively, ground wire ground connection, can restrain the interference of transmitting to BMS through this module, the electromagnetic environment of BMS system operation is improved.
Description
Technical Field
The utility model belongs to the technical field of the technique and specifically relates to a filtering module for new energy automobile.
Background
In the process of closing/opening the relay and in the process of operating the high-voltage electric equipment, transient spike interference or periodic spike interference occurs to the new energy automobile battery pack, and the interference can have adverse effects on the normal operation of the BMS system. A filter capacitor module is added in the new energy automobile battery pack, interference transmitted to the BMS can be restrained, and the electromagnetic environment of operation of the BMS system is improved.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of current system energy automobile battery package existence electromagnetic interference in the use, the utility model provides a filtering module.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a filtering module, includes the shell, has laid the PCB circuit board in the mounting groove in the shell, has welded resistance and electric capacity respectively on resistance weld hole and the electric capacity weld hole on the PCB circuit board, and the welding has the cable on the wire weld hole on the PCB circuit board.
According to the utility model discloses a further embodiment, further include, the both sides of shell have the spacing groove of a plurality of slots forms, have the stopper that matches with the spacing groove on the PCB circuit board.
According to the utility model discloses a further embodiment, further include, there is the fixed orifices on the PCB circuit board, and there is the fixed pin that matches in the fixed orifices bottom of shell.
According to another embodiment of the present invention, further comprising a fixing lug on the outside of the housing.
According to the utility model discloses a further embodiment includes, there is the draw-in groove of indent in the outside of PCB circuit board, and the inner wall of shell has the fixture block that matches with the draw-in groove.
According to another embodiment of the present invention, further comprising a wire nose at the top end of the cable.
The beneficial effects of the utility model are that, this kind of cable crimping line nose of filtering module, electric capacity and resistance pass through SMT welding on PCB circuit board, the cable welding of pressing line nose is at PCB circuit board, then in assembling the mould shell (mould the shell have mistake proofing and reference column, convenient fixed PCB circuit board), pour into the polyurethane casting glue into toward moulding the shell after assembling, it forms sealedly to treat to glue the solidification, anti-seismic, anodal and for the negative pole cable nose connect anodal and negative pole at the battery package respectively, ground wire ground connection, can restrain the interference of transmitting BMS through this module, the electromagnetic environment of BMS system operation is improved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a top view of the PCB circuit board of the present invention;
FIG. 3 is a schematic diagram of the PCB circuit board of the present invention after being assembled with capacitors and resistors;
FIG. 4 is a rear view of the PCB of the present invention equipped with capacitors and resistors;
fig. 5 is a circuit diagram of the present invention;
in the figure, 1, a shell, 2, a fixing lug, 3, a mounting groove, 4, a limiting groove, 5, a PCB circuit board, 6, a limiting block, 7, a wire welding hole, 8, a capacitor welding hole, 9, a capacitor, 10, a resistor, 11, a resistor welding hole, 12, a cable, 13, a wire nose, 14, a fixing hole, 15, a fixing pin, 16, a clamping groove, 17 and a clamping block.
Detailed Description
Fig. 1-3 are the structural schematic diagram of the present invention, a filtering module, which comprises a housing 1, a PCB circuit board 5 is placed in a mounting groove 3 in the housing 1, a resistance welding hole 11 and an electric capacity welding hole 8 on the PCB circuit board 5 are respectively welded with a resistor 10 and an electric capacity 9, and a cable 12 is welded on a wire welding hole 7 on the PCB circuit board 5.
This kind of filter module divides two sets of electric capacity 9 into half to weld on electric capacity weld hole 8, with anodal, negative pole and ground wire cable 12 welding in wire weld hole 7, with two sets of resistance 10 welding on resistance weld hole 11, there is the conductive copper sheet that is used for connecting resistance 10, electric capacity 9 and cable 12 on PCB circuit board 5, its circuit after connecting is as shown in figure 4, place PCB circuit board 5 in shell 1 afterwards, adopt polyurethane casting glue injection molding to seal glue, accomplish insulating shutoff and fixed to the locking of PCB circuit board 5, accomplish the equipment of module.
According to the utility model discloses a further embodiment, further include, shell 1's both sides have a plurality of trough-like spacing grooves 4, have on the PCB circuit board 5 with spacing groove 4 assorted stopper 6.
The left end of PCB circuit board 5 has 6 right-hand members of two sets of stoppers to have a set of stopper 6, provides the position direction for joining in marriage dress PCB circuit board 5 through asymmetric distribution mode, and stopper 6 just blocks in spacing groove 4 simultaneously, for PCB circuit board 5 provides the spacing direction when installing, is convenient for install the location.
According to another embodiment of the present invention, further comprising a fixing hole 14 on the PCB 5, and a fixing pin 15 matching with the fixing hole 14 is disposed at the bottom of the housing 1.
The protruding fixed pin 15 of shell 1 bottom, it cooperates with the fixed orifices 14 on the PCB circuit board 5, can play guiding orientation's effect, satisfies to join in marriage the accurate demand of adorning.
According to another embodiment of the present invention, it further comprises a fixing ear 2 on the outer side of the housing 1.
The middle of the fixing lug 2 is provided with a through hole, so that the fixing lug can be conveniently installed at a corresponding installation position after being penetrated by a bolt.
According to the utility model discloses a further embodiment includes, there is the draw-in groove 16 of indent in the outside of PCB circuit board 5, and the inner wall of shell 1 has the fixture block 17 that matches with draw-in groove 16.
The PCB 5 is clamped on the clamping block 17 by the clamping groove 16 on the outer side, so that the function of guiding is provided for the PCB 5 when the PCB is placed, and the installation is convenient.
According to another embodiment of the present invention, further comprising a wire nose 13 at the top end of the cable 12.
The wire lug 13 facilitates the connection of the cable 12 to other components.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. The utility model provides a filtering module, includes shell (1), characterized by, has laid PCB circuit board (5) in mounting groove (3) in shell (1), has welded resistance (10) and electric capacity (9) respectively on resistance weld hole (11) and the electric capacity weld hole (8) on PCB circuit board (5), has welded cable (12) on wire weld hole (7) on PCB circuit board (5).
2. The filter module according to claim 1, wherein the housing (1) has a plurality of groove-shaped limiting grooves (4) on both sides thereof, and the PCB (5) has limiting blocks (6) matching the limiting grooves (4).
3. A filter module according to claim 1, characterized in that the PCB (5) is provided with fixing holes (14) and the bottom of the housing (1) is provided with fixing pins (15) matching the fixing holes (14).
4. A filter module as claimed in claim 1, characterized in that the housing (1) has fixing lugs (2) on its outer side.
5. The filter module according to claim 1, wherein the outer side of the PCB (5) is provided with an inward-concave clamping groove (16), and the inner wall of the shell (1) is provided with a clamping block (17) matched with the clamping groove (16).
6. A filter module according to claim 1, characterized in that the cable (12) has a wire nose (13) at its top end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021170675.8U CN212463167U (en) | 2020-06-23 | 2020-06-23 | Filtering module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021170675.8U CN212463167U (en) | 2020-06-23 | 2020-06-23 | Filtering module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212463167U true CN212463167U (en) | 2021-02-02 |
Family
ID=74471225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021170675.8U Active CN212463167U (en) | 2020-06-23 | 2020-06-23 | Filtering module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212463167U (en) |
-
2020
- 2020-06-23 CN CN202021170675.8U patent/CN212463167U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |