CN209643264U - A kind of general EMC improvement structure of controller - Google Patents
A kind of general EMC improvement structure of controller Download PDFInfo
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- CN209643264U CN209643264U CN201821853735.9U CN201821853735U CN209643264U CN 209643264 U CN209643264 U CN 209643264U CN 201821853735 U CN201821853735 U CN 201821853735U CN 209643264 U CN209643264 U CN 209643264U
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Abstract
The utility model discloses a kind of general EMC of controller to improve structure, and hv filtering unit and low-voltage filter unit are separated in shell by isolation board；Low-voltage filter unit is located on the upside of hv filtering unit；Low-voltage filter unit includes low-voltage filter module, low voltage wiring harness filter module；Low-voltage filter module includes two stage filter structure；First order filter structure include resistance R1, capacitor CX1, capacitor CX2 three's parallel connection first part, it is in parallel together with capacitor CX3, capacitor CX4 after capacitor CY1 and capacitor CY2 series connection to form second part；First part is connect with second part by common mode inductance L1；Second level filter structure includes the Part III of common mode inductance L2 connection, and Part III includes in parallel together with capacitor CX6, capacitor CX7 after capacitor CY3 and capacitor CY4 connects；Hv filtering unit includes hv filtering module, discharge resistance；Hv filtering module includes in parallel together with capacitor C11, capacitor C12, capacitor C13 after capacitor C14 and capacitor C15 connects.
Description
Technical field
The utility model relates to the EMC arragement construction on controller, especially a kind of general EMC of controller improves structure.
Background technique
Application solves the problems, such as EMC on the controller at present, and the most commonly used is a kind of EMC connectors, it includes filter circuit,
Connecting terminal, sealing ring and insulation cover plate；Filter circuit includes at least one magnet ring, at least one X capacitor further includes at least one
A and concatenated Y capacitance of magnet ring.Existing controller EMC structural design scheme, nothing more than design high-low pressure filter unit, to quick
Inductor component designs shielding case, design ground structure, increase magnet ring magnetic clasp etc..Therefore, it is centainly empty to occupy controller for EMC structure
Between, it designs complex.
Such as Chinese utility model patent " a kind of EMC connector and electric machine controller ", application number:
201720028923.7.This filter circuit is only filtered high pressure interference, and there was only magnet ring, filter effect in hv filtering
It is poor.
Summary of the invention
The utility model aim is: providing a kind of general EMC improvement structure of controller, solves the interference of controller mesohigh
The problem of being interfered with low pressure
The technical solution of the utility model is: a kind of general EMC of controller improves structure, wherein hv filtering unit and low
Pressure filter unit is separated in shell by isolation board；It uses layer structure to be arranged: low-voltage filter unit is located at hv filtering
On the upside of unit；The low-voltage filter unit includes low-voltage filter module, low voltage wiring harness filter module；Low-voltage filter module includes two
Grade filter structure；
First order filter structure includes a resistance R1, four X capacitors, four Y capacitances, a common mode inductance L1:
Resistance R1, capacitor CX1, capacitor CX2 three's parallel connection first part, capacitor CY1 and capacitor CY2 series connection after with capacitor
CX3, capacitor CX4 are in parallel together to form second part；First part is connect with second part by common mode inductance L1.
Second level filter structure includes a common mode inductance L2, two X capacitors, two Y capacitances:
Common mode inductance L2 connection Part III, Part III include capacitor CY3 and capacitor CY4 series connection after with capacitor CX6, electricity
It is in parallel together to hold CX7.
Low voltage wiring harness filter module includes magnetic clasp；Low voltage wiring harness accesses from the pinboard and passes through magnetic clasp and the control
Connector on plate is connected；
Hv filtering unit includes hv filtering module, discharge resistance；Hv filtering module includes capacitor C14 and capacitor
It is in parallel together with capacitor C11, capacitor C12, capacitor C13 after C15 series connection；
Electrode input end and negative input are connected separately with by the copper bar in the hv filtering module.
Preferably, the low voltage wiring harness filter module further includes buckle；Buckle is arranged with magnetic clasp right-angled intersection.
Preferably, the control panel accesses low-voltage filter module；Low-voltage is taken after electricity from control panel through the low pressure
AM access module, magnetic clasp are connected to the pressure plug connector on pinboard.
Preferably, the hv filtering unit includes copper bar；The electrode input end of high pressure is connected to described by copper bar
Hv filtering module.
Preferably, the hv filtering unit includes magnet ring；The electrode input end, negative input pass through described
Copper bar passes through from above-mentioned magnet ring center.
Preferably, the magnet ring is fixed by junction block and fixing seat.
The utility model has the advantages that:
EMC interference can also be greatly lowered to low pressure interference filter 1. can not only interfere high pressure and be filtered；Together
When, using modularized design, convenient for promoting the stability and reliability of the system, the maintainability of lifting system.
2. this structure uses high-low pressure layer-stepping, top low pressure lower part high pressure is isolated by isolation board, avoids high-low pressure
It interferes with each other；And modular design structure is conveniently replaceable and installs, and improves the flexibility of structure.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and embodiments:
Fig. 1 is the top view that the general EMC of controller improves structure mesolow filter unit；
Fig. 2 is the structural schematic diagram of low-voltage filter unit；
Fig. 3 is the circuit structure diagram of low-voltage filter unit；
Fig. 4 is the catenation principle figure of low-voltage filter module；
Fig. 5 is the top view that the general EMC of controller improves structure mesohigh filter unit；
Fig. 6 is the structure chart of hv filtering unit；
Fig. 7 is the circuit structure diagram of hv filtering unit；
Wherein: 1, low-voltage filter unit；2, shell；3, control panel；4, pinboard；5, hv filtering unit；6, anode is defeated
Enter end；7, negative input；8, Y capacitance；9, stud；10, magnetic clasp；11, it buckles；12, low-voltage filter module；13, hv filtering
Module；14, discharge resistance；15, copper bar；16, magnet ring；17, junction block；18, fixing seat；19, isolation board.
Specific embodiment
The preferred embodiment of the utility model is illustrated in conjunction with attached drawing 1 to 7:
A kind of general EMC improvement structure of controller, wherein hv filtering unit 5 and low-voltage filter unit 1 pass through isolation board
19 are separated in shell 2；It uses layer structure to be arranged: low-voltage filter unit 1 is located at 5 upside of hv filtering unit.High filters pressing
Wave unit 5 and low-voltage filter unit 1 are connected and fixed by stud 9, and isolation board 19 forms isolation therebetween, reduce high pressure pair
The interference of low pressure.High-low pressure hierachical structure is isolated by isolation board 19 with top low pressure lower part high pressure, is avoided high-low pressure phase
Mutually interference solves the problems, such as current EMC interference.
Low-voltage filter unit 1 includes low-voltage filter module 12, low voltage wiring harness filter module；As shown in Figure 1, low-voltage filter mould
The upper surface of isolation board 19 is arranged in block 12.Low voltage wiring harness filter module then includes magnetic clasp 10 and buckle 11, buckles 11 and magnetic clasp
10 right-angled intersections setting.Low voltage wiring harness accesses from pinboard 4 and is connected by magnetic clasp 10 with the connector on control panel 3, filters out
Revolve the interference in varying signal and CAN signal.Control panel 3 accesses low-voltage filter module, and therefore, low-voltage takes electricity from control panel 3
The pressure plug connector being connected to by low pressure AM access module, magnetic clasp 10 on pinboard 4.Wherein, magnetic clasp 10 selects iron oxysome material,
Filter effect can be improved.
Low-voltage filter module 12 includes two stage filter structure, and first order filter structure includes a resistance R1, four X electricity
Hold, four Y capacitances, 8, common mode inductance L1, second level filter structure includes a common mode inductance L2, two X capacitors, two Y
Capacitor.
In first order filter structure: resistance R1, capacitor CX1, capacitor CX2 three's parallel connection first part, capacitor CY1 and electricity
It is in parallel together with capacitor CX3, capacitor CX4 after appearance CY2 series connection to form second part；First part and second part pass through common mode electricity
Feel L1 connection.
In the filter structure of the second level: common mode inductance L2 connection Part III, Part III includes capacitor CY3 and capacitor CY4
It is in parallel together with capacitor CX6, capacitor CX7 after series connection.Therefore, the input nonlinearities of low pressure, input end are filtered out, while improving low tension
The EMI resistance of source.
Hv filtering unit 5 includes hv filtering module 13, discharge resistance 14, copper bar 15, magnet ring 16, junction block 17 and consolidates
Reservation 18；Hv filtering module 13 include capacitor C14 and capacitor C15 series connection after together with capacitor C11, capacitor C12, capacitor C13
It is in parallel；
Electrode input end 6 and negative input 7 are connected separately with by copper bar 15 in hv filtering module 13: anode input
End 6, negative input 7 are passed through by copper bar 15 from 16 center of magnet ring, and magnet ring 16 is Superfine crystal material, and magnet ring 16 can filter out
The interference of high-voltage busbar, magnet ring 16 are fixed by junction block 17 and fixing seat 18.
The electrode input end 6 of high pressure is connected to 13 pieces of hv filtering mould by copper bar 15, then exports through copper bar 15 to cathode
End, hv filtering module 13 have filtered out high pressure interference.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed of the utility model
All equivalent modifications or change completed under spirit and technical idea, should be covered by the claim of the utility model.
Claims (6)
1. a kind of general EMC of controller improves structure, wherein hv filtering unit and low-voltage filter unit are separated by isolation board
In shell；It is characterized by: low-voltage filter unit is located on the upside of hv filtering unit；The low-voltage filter unit includes low pressure
Filter module, low voltage wiring harness filter module；Low-voltage filter module includes two stage filter structure；
First order filter structure include resistance R1, capacitor CX1, capacitor CX2 three's parallel connection first part, capacitor CY1 and capacitor
It is in parallel together with capacitor CX3, capacitor CX4 after CY2 series connection to form second part；First part and second part pass through common mode inductance
L1 connection；
Second level filter structure includes the Part III of common mode inductance L2 connection, and Part III includes capacitor CY3 and capacitor CY4 string
It is in parallel together with capacitor CX6, capacitor CX7 after connection；
Low voltage wiring harness filter module includes magnetic clasp；Low voltage wiring harness accesses and passes through the connector in magnetic clasp and control panel from pinboard
It is connected；
The hv filtering unit includes hv filtering module, discharge resistance；Hv filtering module includes capacitor C14 and capacitor
It is in parallel together with capacitor C11, capacitor C12, capacitor C13 after C15 series connection；
Electrode input end and negative input are connected separately with by copper bar in the hv filtering module.
2. the general EMC of a kind of controller according to claim 1 improves structure, it is characterised in that: the low voltage wiring harness filter
Wave module further includes buckle；Buckle is arranged with magnetic clasp right-angled intersection.
3. the general EMC of a kind of controller according to claim 1 improves structure, it is characterised in that: the control panel access
Low-voltage filter module；Low-voltage takes the pressure being connected to after electricity through the low pressure AM access module, magnetic clasp on pinboard from control panel
Plug connector.
4. the general EMC of a kind of controller according to claim 2 or 3 improves structure, it is characterised in that: the hv filtering
Unit includes copper bar；The electrode input end of high pressure is connected to the hv filtering module by copper bar.
5. the general EMC of a kind of controller according to claim 4 improves structure, it is characterised in that: the hv filtering list
Member includes magnet ring；The electrode input end, negative input pass through the copper bar and pass through from above-mentioned magnet ring center.
6. the general EMC of a kind of controller according to claim 5 improves structure, it is characterised in that: the magnet ring is to pass through
Junction block and fixing seat are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821853735.9U CN209643264U (en) | 2018-11-12 | 2018-11-12 | A kind of general EMC improvement structure of controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821853735.9U CN209643264U (en) | 2018-11-12 | 2018-11-12 | A kind of general EMC improvement structure of controller |
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| Publication Number | Publication Date |
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| CN209643264U true CN209643264U (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115173722A (en) * | 2022-06-17 | 2022-10-11 | 东风汽车集团股份有限公司 | Power pack, filtering component and hybrid vehicle |
-
2018
- 2018-11-12 CN CN201821853735.9U patent/CN209643264U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115173722A (en) * | 2022-06-17 | 2022-10-11 | 东风汽车集团股份有限公司 | Power pack, filtering component and hybrid vehicle |
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