CN206575350U - Integrated filtering device without pcb board - Google Patents
Integrated filtering device without pcb board Download PDFInfo
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- CN206575350U CN206575350U CN201720238666.XU CN201720238666U CN206575350U CN 206575350 U CN206575350 U CN 206575350U CN 201720238666 U CN201720238666 U CN 201720238666U CN 206575350 U CN206575350 U CN 206575350U
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- Prior art keywords
- electric current
- current input
- filtering device
- filter
- output element
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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Abstract
The utility model is related to filter, specifically provides a kind of integrated filtering device without pcb board.The problem of the utility model aims to solve the problem that existing filter structural robustness is poor, harsh to operating environment requirements, easily failed.For this purpose, filter of the present utility model includes filtering unit and the electric current input and output element being connected with external circuit.Filter element includes X electric capacity, Y capacitance and the ferrite that can be filtered to the outside input electric current of different frequency range, X electric capacity and Y capacitance directly can obtain electric energy from electric current input and output element, the insulation glue-line that X electric capacity, Y capacitance, ferrite and electric current input and output element are formed by process for filling colloid becomes one, the integrated level and filter effect of filter is greatly improved, structural robustness is improved simultaneously, it is adapted to harsh working environment.In addition, the outside of insulation glue-line is also covered with Metal shielding shell so that the EMC performances of filter are greatly improved.
Description
Technical field
The utility model is related to filter, specifically provides a kind of integrated filtering device without pcb board.
Background technology
More and more wider with the application of electronic technology, the frequency of use of filter is also improved therewith.Filter
Frequency beyond the frequency of specific frequency or the frequency can be effectively filtered out, obtain specific frequency signal or
One signal for filtering out after the specific frequency.Specifically, it is driven, is used simultaneously using induction machine more than new-energy automobile
Power electronic controller is controlled to the rotating speed of the induction machine and steering.In addition, the power electronic controller can also
Enough DC high-voltage inversions for exporting battery are AC high voltage, then input to induction machine.Now, filter needs
Clutter in the DC high-voltage that battery is exported is filtered, so as to ensure the good EMC of the power electronic controller
(Electro Magnetic Compatibility) performance, i.e. Electro Magnetic Compatibility.
Existing filter is main by PCBA (Printed Circuit Board Assembly, printed circuit board (PCB) group
Part), electric current input and output element, filtering unit and structural member composition.Wherein, PCBA mainly includes PCB (Printed
Circuit board, printed circuit board (PCB)) and internal circuit, filtering unit is mainly including setting X electric capacity on the pcb
With Y capacitance and ferrite.Because the electric current input and output element needs insulation, therefore existing filter can only use plastics
Shell, so as to reduce the EMC performances of filter.Again because existing filter is provided with PCBA, existing filtering is caused
The problem of there is low, complicated integrated level and high cost in device.In addition, PCBA working environments to external world, as machinery shakes
Dynamic, temperature shock, humiture are very sensitive, and operating environment requirements are harsh so that the filter action of existing filter is easily failed,
Meanwhile, set circuit on the pcb also to directly affect the filter effect and EMC performances of filter.
Correspondingly, this area needs a kind of new filter to solve the above problems.
Utility model content
It has been that the existing filter integrated level of solution is low and EMC performances to solve above mentioned problem of the prior art
Poor the problem of, the utility model provides a kind of integrated filtering device without pcb board, and the integrated filtering device includes electricity
Input and output element and filtering unit are flowed, the electric current input and output element is connected with external circuit, it is characterised in that the filter
Ripple component includes X electric capacity and Y capacitance, and the X electric capacity and the Y capacitance are connected with the electric current input and output element so that institute
State X electric capacity and the Y capacitance can directly obtain electric energy from the electric current input and output element, and it is the X electric capacity, described
The insulation glue-line that Y capacitance and the main part of the electric current input and output element are formed by process for filling colloid becomes one.
In the optimal technical scheme of the above-mentioned integrated filtering device without pcb board, the integrated filtering device is also wrapped
Metal shielding shell is included, the Metal shielding shell is located at the outside of the insulation glue-line, for improving the integrated form filter
The EMC performances of wave apparatus.
In the optimal technical scheme of the above-mentioned integrated filtering device without pcb board, on the electric current input and output element
It is provided with electric current input interface and current output interface, the electric current input interface and the current output interface can be from described
Passed in through hole on Metal shielding shell.
In the optimal technical scheme of the above-mentioned integrated filtering device without pcb board, the integrated filtering device is also wrapped
Plastic casing is included, the plastic casing is located at the outside of the electric current input interface, for insulating and pacifying external equipment
It is attached to the electric current input interface.
In the optimal technical scheme of the above-mentioned integrated filtering device without pcb board, the Metal shielding shell and/or institute
State and outside mounting interface is provided with plastic casing, the integrated filtering device can be connected by the outside mounting interface
To external equipment.
In the optimal technical scheme of the above-mentioned integrated filtering device without pcb board, the filtering unit also includes iron oxygen
Body, the main part of the ferrite and the X electric capacity, the Y capacitance and the electric current input and output element passes through encapsulating work
The insulation glue-line of skill formation becomes one.
In the optimal technical scheme of the above-mentioned integrated filtering device without pcb board, the integrated filtering device is collection
Accepted way of doing sth direct current input filter.
In the optimal technical scheme of the above-mentioned integrated filtering device without pcb board, the electric current input and output element is
Direct current inputs both positive and negative polarity copper bar.
It will be appreciated to those of skill in the art that in the technical solution of the utility model, it is described without the integrated of pcb board
Formula filter includes electric current input and output element and filtering unit.The electric current input and output element is connected with external circuit,
The filtering unit includes X electric capacity and Y capacitance, and the X electric capacity and the Y capacitance are connected with the electric current input and output element,
The X electric capacity and the Y capacitance is enabled directly to obtain electric energy, and the filtering from the electric current input and output element
Component also includes ferrite, and the main part of the filtering unit and the electric current input and output element passes through process for filling colloid shape
Into insulation glue-line become one so that compared with the filter containing PCBA, the utility model not only increases wave filter
Integrated level and filter effect, simultaneously because after insulation curable adhesive layer, X, Y capacitance and ferrite are very encapsulated securely, are tied
Structure robustness is greatly improved, and is difficult failure, is adapted to the harsh working environment of comparison.In addition, the outside of the insulation glue-line
Also it is covered with the plastic casing that Metal shielding shell substitutes existing filter so that the EMC of the integrated filtering device
Can also it be significantly enhanced.
Brief description of the drawings
Fig. 1 is the structural representation of the integrated filtering device of the present utility model without pcb board.
Fig. 2 is that the integrated filtering device of the present utility model without pcb board sets the structural representation after insulation glue-line.
Fig. 3 is the overall structure diagram of the integrated filtering device of the present utility model without pcb board.
Embodiment
Preferred embodiment of the present utility model described with reference to the accompanying drawings.It should be understood by those skilled in the art that
It is that these embodiments are used only for explaining technical principle of the present utility model, it is not intended that limitation protection of the present utility model
Scope.Those skilled in the art can make adjustment to it as needed, to adapt to specific application scenario.Although for example,
The use combination power electronic controller of integrated filtering device described in specification is described, still, the utility model
The described integrated filtering device without pcb board obviously can also be applied to other equipment.The change of this application is not
Deviate general principle of the present utility model, therefore fall within protection domain of the present utility model.
It should be noted that in description of the present utility model, term " on ", " under ", "left", "right", "front", "rear",
" direction of instruction such as " center ", " vertical ", " level " or the term of position relationship are closed based on direction shown in the drawings or position
System, this is intended merely to facilitate description, rather than indicates or imply that described device or element must have specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition it is also necessary to explanation, in description of the present utility model, unless otherwise clearly defined and limited, art
Language " installation ", " connected ", " connection ", " cooperation " should be interpreted broadly, for example, it may be being fixedly connected or detachably
Connection, or be integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, centre can also be passed through
Medium is indirectly connected to, and can be the connection of two element internals.To those skilled in the art, it can manage as the case may be
Solve concrete meaning of the above-mentioned term in the utility model.
As shown in figure 1, the figure is the structural representation of the integrated filtering device of the present utility model without pcb board.Below
The use process of filter of the present utility model will be described with reference to power electronic controller, still, the utility model
Obviously other equipment can also be applied to, therefore not as the limitation to the utility model protection domain.Nothing of the present utility model
The integrated filtering device of PCB plates includes filtering unit and electric current input and output element 5, and the filtering unit includes X electric capacity 2
With Y capacitance 3.Electric current input and output element 5 is connected with external circuit, for receiving outside input electric current and output filtered circuit.X
Electric capacity 2 and Y capacitance 3 are connected by internal circuit with electric current input and output element 5 so that X electric capacity 2 and Y capacitance 3 can directly from
Electric energy is obtained on electric current input and output element 5.In addition, the integrated filtering device also includes fixed support 4, electric current input is defeated
Go out element 5 and fixation is installed by fixed support 4.The filtering unit also includes ferrite 1, and ferrite 1 can be looped around fixation
The outside of support 4.It should be noted that ferrite 1, X electric capacity 2 and Y capacitance 3 can be respectively to the outside input of different frequency range electricity
Stream is filtered, so as to effectively filter out noise signal.It will be appreciated to those of skill in the art that the filtering unit is set
For so that the filtering unit can be filtered to the outside input electric current that electric current input and output element 5 is received.
Referring next to Fig. 2, the figure is that the integrated filtering device of the present utility model without pcb board is set after insulation glue-line
Structural representation.As shown in Fig. 2 X electric capacity 2, Y capacitance 3, the master of ferrite and electric current input and output element 5 and fixed support 4
The insulation glue-line 6 that body portion is formed by process for filling colloid becomes one so that the integrated level of the integrated filtering device is obtained
To being substantially improved, while also simplify the linkage editor of the integrated filtering device.Usually, existing filter
The filtering signal of the signal of the circuit set on PCBA and the filtering unit easily forms interference, so as to influence the filtering group
The filter effect of part.But, the utility model eliminates pcb board, and the insulation glue-line 6 formed using process for filling colloid is to each element
Carry out the processing of integrated and sealed insulation so that what is formed between the filtering signal of the signal of internal circuit and the filtering unit is dry
Disturb and weaken significantly, so as to improve the filter effect of the filtering unit.In addition, electric current input and output element 5 is defeated including electric current
Enter element 51 and electric current output element 52, current input element 51 is used to receive outside input electric current, and electric current output element 52 is used
In output filtered circuit.Current input element 51 is connected with electric current output element 52 by the formation of fixed support 4, and electric current is defeated
Entering element 51 and electric current output element 52 can pass from ferrite 1.In addition, the filtering unit can input member to electric current
The outside input electric current that part 51 is received is filtered, and filtered circuit is exported via electric current output element 52.Those skilled in the art
, it is understood that current input element 51 and electric current output element 52 are set to so that current input element 51 can be received
Outside input electric current, electric current output element 52 can export filtered circuit, and current input element 51 and electric current output element
Electric current transmission can be carried out between 52.
Fig. 3 is finally referred to, the figure is the overall structure signal of the integrated filtering device of the present utility model without pcb board
Figure.The integrated filtering device also includes Metal shielding shell 7 and plastic casing 8.Metal shielding shell 7 is located at insulating cement
The outside of layer 6, usually, existing filter has used plastic casing to ensure insulation effect, the plastic casing
Use the EMC performances that have impact on filter to a certain extent.But, inner member of the present utility model uses insulating cement
Layer 6 has carried out insulation processing, therefore shell of the present utility model employs Metal shielding shell 7, so that of the present utility model
EMC performances are significantly enhanced.In addition, electric current input interface is provided with current input element 51, electric current output element 52
On be provided with current output interface, the electric current input interface and the current output interface can be from Metal shielding shells 7
Through hole in pass, so as to wiring.Plastic casing 8 is located at the outside of the electric current input interface, for ensureing insulation effect
And external equipment (such as foreign current input link) is installed to the electric current input interface.In addition, Metal shielding shell 7
And/or outside mounting interface 9 is provided with plastic casing 8, the integrated filtering device can be connected by outside mounting interface 9
It is connected to power electronic controller.It should be noted that outside mounting interface 9 is set to so that the integrated filtering device energy
It is enough that the power electronics control is connected to by the outside mounting interface 9 being arranged on Metal shielding shell 7 and/or plastic casing 8
Device processed.It will be appreciated to those of skill in the art that preferably, the integrated filtering device is direct current input filter, together
When, electric current input and output element 5 is direct current input both positive and negative polarity copper bar.
So far, the technical solution of the utility model has been described in conjunction with the accompanying, still, those skilled in the art easily manage
Solution, protection domain of the present utility model is expressly not limited to these embodiments.Without departing from of the present utility model
On the premise of principle, those skilled in the art can make equivalent change or replacement to correlation technique feature, these change or
Technical scheme after replacing it is fallen within protection domain of the present utility model.
Claims (8)
1. a kind of integrated filtering device without pcb board, the integrated filtering device includes electric current input and output element and filter
Ripple component, the electric current input and output element is connected with external circuit,
Characterized in that, the filtering unit includes X electric capacity and Y capacitance, the X electric capacity and the Y capacitance and the electric current are defeated
Enter output element to be connected so that the X electric capacity and the Y capacitance can obtain electricity directly from the electric current input and output element
Can, and the main part of the X electric capacity, the Y capacitance and the electric current input and output element formed by process for filling colloid
Insulation glue-line becomes one.
2. the integrated filtering device according to claim 1 without pcb board, it is characterised in that the integrated filtering dress
Putting also includes Metal shielding shell, and the Metal shielding shell is located at the outside of the insulation glue-line, for improving the collection
The EMC performances of accepted way of doing sth filter.
3. the integrated filtering device according to claim 2 without pcb board, it is characterised in that the electric current input and output
Electric current input interface and current output interface are provided with element, the electric current input interface and the current output interface can
Passed from the through hole on the Metal shielding shell.
4. the integrated filtering device according to claim 3 without pcb board, it is characterised in that the integrated filtering dress
Putting also includes plastic casing, and the plastic casing is located at the outside of the electric current input interface, for insulating and by outside
Equipment is installed to the electric current input interface.
5. the integrated filtering device according to claim 4 without pcb board, it is characterised in that the Metal shielding shell
And/or outside mounting interface is provided with the plastic casing, the integrated filtering device can pass through the outside installation
Interface is connected to external equipment.
6. the integrated filtering device according to any one of claim 1 to 5 without pcb board, it is characterised in that the filter
Ripple component also includes ferrite, the master of the ferrite and the X electric capacity, the Y capacitance and the electric current input and output element
The insulation glue-line that body portion is formed by process for filling colloid becomes one.
7. the integrated filtering device according to claim 6 without pcb board, it is characterised in that the integrated filtering dress
It is integrated form direct current input filter to put.
8. the integrated filtering device according to claim 7 without pcb board, it is characterised in that the electric current input and output
Element is direct current input both positive and negative polarity copper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720238666.XU CN206575350U (en) | 2017-03-13 | 2017-03-13 | Integrated filtering device without pcb board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720238666.XU CN206575350U (en) | 2017-03-13 | 2017-03-13 | Integrated filtering device without pcb board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206575350U true CN206575350U (en) | 2017-10-20 |
Family
ID=60057716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720238666.XU Active CN206575350U (en) | 2017-03-13 | 2017-03-13 | Integrated filtering device without pcb board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206575350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729945A (en) * | 2018-06-28 | 2020-01-24 | 长城汽车股份有限公司 | Direct current input module and motor controller |
-
2017
- 2017-03-13 CN CN201720238666.XU patent/CN206575350U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729945A (en) * | 2018-06-28 | 2020-01-24 | 长城汽车股份有限公司 | Direct current input module and motor controller |
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