CN207819687U - A kind of motor of automatic elimination pulsating current - Google Patents
A kind of motor of automatic elimination pulsating current Download PDFInfo
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- CN207819687U CN207819687U CN201721648662.5U CN201721648662U CN207819687U CN 207819687 U CN207819687 U CN 207819687U CN 201721648662 U CN201721648662 U CN 201721648662U CN 207819687 U CN207819687 U CN 207819687U
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- pin needle
- inductance
- common mode
- mode capacitance
- load plug
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- 230000008030 elimination Effects 0.000 title claims abstract description 13
- 238000003379 elimination reaction Methods 0.000 title claims abstract description 13
- 239000003990 capacitor Substances 0.000 claims abstract description 15
- 230000007812 deficiency Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 7
- 230000001052 transient effect Effects 0.000 description 7
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a kind of motor of automatic elimination pulsating current, which is equipped with the connector assembly that can remove pulse current, and the connector assembly includes waterproof cover, ground wire, inductance, PIN needle I, PIN needle II, plug, load plug；Wherein, there are two inductance, load plug has a port, PIN needle I, PIN needle II are equipped on plug, the a port of load plug connects PIN needle I by an inductance, another port of load plug connects PIN needle II by another inductance, two common mode capacitances of connecting between PIN needle I, PIN needle II, that is the tie point ground wire of the first common mode capacitance C2, the second common mode capacitance C3, the first common mode capacitance C2 and the second common mode capacitance C3；It is terminated with a differential mode capacitor C1 the two of load plug, forms a filter network between PIN needle I, PIN needle II and load plug.Effectively overcome the situation of motor inner space deficiency.
Description
Technical field
The present disclosure relates generally to auto parts field more particularly to a kind of motors of automatic elimination pulsating current.
Background technology
Motor belongs to inductive load, when the power supply of inductive load is sudden shut off, will produce adverse transients voltage.Coil
Initial energy storage is bigger, and cut-off velocity is faster, and transient voltage is higher.This voltage can be up to several hectovolts.This type is harassed
Transient voltage amplitude it is quite big, automobile electronic module can be caused to seriously affect, in addition damage.It can pass through power cord
The form of transient state conduction interferes other automobile electronics.
Another source of motor radio radiation is the motor electric arc that commutator segment and brush generate in operation process, electricity
Arc can generate strong radio-frequency radiation in the frequency of 10kHz ~ 5GHz.Radiation disturbance voltage is along harness and spatial shape
At conducted emission and radiation-emitting.
Anti-EMI filter System design technology is the key point for improving complete electronic set EMC performances.Therefore the technology is also known as EMC
Designing technique.The purpose of EMC designs is to make electronics, electric product that can be worked normally in certain electromagnetic environment, has both met mark
Anti-interference limiting value requirement as defined in standard, when by certain electromagnetic interference, no performance degradation or failure；Meet standard gauge again
Fixed electromagnetic radiation limiting value requirement, pollution sources are not constituted to electromagnetic environment.Therefore, EMC is one of important performance of product,
It is the important guarantee for realizing product efficiency.
Therefore, how to realize it is a kind of have a reliable and stable filter effect, and save space-efficient there is the electricity of EMC functions
Machine is those skilled in the art's urgent problem to be solved.
Invention content
Technical problem：In view of drawbacks described above in the prior art or deficiency, it is intended to provide and a kind of has reliable and stable filter
Wave effect and section space-efficient EMC motors.
Technical solution：The present invention provides a kind of motor of automatic elimination pulsating current, realizes motor EMC functions, occupies empty
Between it is small, make simple, save space, reduce cost.
A kind of motor of automatic elimination pulsating current of the present invention, the motor are equipped with the connector that can remove pulse current
Device, the connector assembly include waterproof cover, ground wire, inductance, PIN needle I, PIN needle II, connector, load plug；Its
In, there are two inductance, and load plug has a port, and PIN needle I, PIN needle II, an end of load plug are equipped on connector
PIN needle I is connect mouthful by an inductance, another port of load plug connects PIN needle II by another inductance, PIN needle I,
It connects between PIN needle II two common mode capacitances, i.e. the first common mode capacitance C2, the second common mode capacitance C3, the first common mode capacitance C2 and the
The tie point of two common mode capacitance C3 is grounded；It is terminated with a differential mode capacitor C1 the two of load plug, in PIN needle I, PIN
A filter network is formed between needle II and load plug.
Preferably, the differential mode capacitor C1, the first common mode capacitance C2, the second common mode capacitance C3, two inductance settings exist
On one circuit board, wherein
One end of first common mode capacitance C2 and the second common mode capacitance C3 meet an inductance, the first common mode capacitance C2 and respectively
The tie point of two common mode capacitance C3 is grounded, another termination load plug of two inductance；Between the both ends of load plug
Differential mode capacitor C3 there are one connecing；A filter network is formed between PIN needle I, PIN needle II and load plug.
Preferably, the circuit board is arranged in the box on connector, and waterproof cover is equipped on the box.
Preferably, two inductance i.e. the first inductance L1, the second inductance L2 is rodlike differential mode inductance.
Advantageous effect：The motor of a kind of automatic elimination pulsating current provided by the invention, by its structure design, in PIN
A filter network is formed between needle I, PIN needle II and load plug, so that connector is realized EMC functions, and have reliable and stable
Filter effect.In the case of avoiding motor internal design structures, space that from cannot meeting the requirements, increase filtering net on connector
Network effectively overcomes the situation of motor inner space deficiency.It occupies little space, makes simply, save space, reduce cost.
Description of the drawings
Fig. 1 is the electric machine structure schematic diagram of the removable pulse current of the present invention.
Fig. 2 is EMC connector assemblies structural decomposition diagram shown in FIG. 1.
Fig. 3 is EMC connector assemblies structural decomposition diagram shown in FIG. 1.
Fig. 4 is EMC connector assemblies A-A sectional views shown in FIG. 1.
Fig. 5 is EMC filter circuit figure.
Fig. 6 is second of EMC filter circuit figure.With addition of capacitance C4, capacitance C5.
Have in figure：Waterproof cover 1, circuit board 2, ground wire 3, inductance 4, PIN needle I 5, PIN needle II 6, connector 7, load are inserted
First 8.
Specific implementation mode
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, is illustrated only in attached drawing and invent relevant part.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It please refers to Fig.1 to Fig. 4, the motor of removable pulse current of the invention, which, which is equipped with, can remove pulse electricity
The connector assembly of stream, the connector assembly include waterproof cover 1, ground wire 3, inductance 4, PIN needle I 5, PIN needle II 6, connect
Plug-in unit 7, load plug 8；Wherein, there are two inductance 4, load plug 8 has a port, and PIN needle I 5, PIN are equipped on connector 7
Needle II 6, a port of load plug 8 connect PIN needle I 5 by an inductance 4, and another port of load plug 8 passes through another
A inductance 4 connects PIN needle II 6, connect between PIN needle I 5, PIN needle II 6 two common mode capacitances, i.e. the first common mode capacitance C2, second
The tie point of common mode capacitance C3, the first common mode capacitance C2 and the second common mode capacitance C3 connect ground wire 3；At the both ends of load plug 8
It connects there are one differential mode capacitor C1, one filter network of formation between PIN needle I 5, PIN needle II 6 and load plug 8.
In an embodiment of the present invention, a kind of motor of automatic elimination pulsating current, which, which is equipped with, can remove pulse
The connector assembly of electric current, the connector assembly include waterproof cover, ground wire, inductance, PIN needle I, PIN needle II, patch
Part, load plug；Wherein, there are two inductance, load plug has a port, and PIN needle I, PIN needle II are equipped on connector, bears
The a port for carrying plug connects PIN needle I by an inductance, another port of load plug meets PIN by another inductance
Needle II, two common mode capacitances of connecting between PIN needle I, PIN needle II, i.e. the first common mode capacitance C2, the second common mode capacitance C3, first
The tie point of common mode capacitance C2 and the second common mode capacitance C3 are grounded；It is terminated with a differential mode capacitor the two of load plug
C1 forms a filter network between PIN needle I, PIN needle II and load plug.This structure design makes connector assembly have surely
Fixed reliable filter effect increases in the case of avoiding motor internal design structures, space that from cannot meeting the requirements on connector
Filter network effectively overcomes the situation of motor inner space deficiency.
Further, the differential mode capacitor C1, the first common mode capacitance C2, the second common mode capacitance C3, two inductance 4 are arranged
On a circuit board 2, wherein
One end of first common mode capacitance C2 and the second common mode capacitance C3 connect an inductance 4 respectively, the first common mode capacitance C2 with
The tie point of second common mode capacitance C3 connects ground wire 3, another termination load plug 8 of two inductance 4；The two of load plug 8
Differential mode capacitor C3 there are one being connect between end；A filter network is formed between PIN needle I 5, PIN needle II 6 and load plug 8.
In an embodiment of the present invention, differential mode capacitor C1, the first common mode capacitance C2, the second common mode capacitance C3, two inductance 4
It is arranged on a circuit board 2, wherein
One end of first common mode capacitance C2 and the second common mode capacitance C3 connect an inductance 4 respectively, the first common mode capacitance C2 with
The tie point of second common mode capacitance C3 connects ground wire 3, another termination load plug 8 of two inductance 4；The two of load plug 8
Differential mode capacitor C3 there are one being connect between end；A filter network is formed between PIN needle I 5, PIN needle II 6 and load plug 8.This knot
Structure design can effectively inhibit electromagnetic interference, not only inhibit High-frequency Interference and spike interference, it may have absorb electrostatic discharge pulses
Ability.
Further, the circuit board 2 is arranged in the box on connector 7, and waterproof cover 1 is equipped on the box.
In an embodiment of the present invention, circuit board 2 is arranged in the box on connector 7, and waterproof is equipped on the box
Lid 1.The effect for realizing waterproof sealing, leads to internal filter circuit or power after avoiding water from entering electromagnetic compatibility connector assembly
Shorted devices or damage.
Further, it is rodlike differential mode inductance that two inductance 4, which are the first inductance L1, the second inductance L2,.
In an embodiment of the present invention, it is rodlike differential mode inductance that two inductance 4, which are the first inductance L1, the second inductance L2,.Control
Differential mode radiation processed.
In an embodiment of the present invention, as shown in Figure 5：EMC circuits 1：L1 in circuit, L2 be rodlike differential mode inductance, C1,
C2, C3 are MLCC capacitances, and wherein C1 is differential mode capacitor, is connected in parallel between motor positive and negative anodes.C2/C3 is common mode capacitance, respectively simultaneously
It is associated between the positive and negative electrode of motor and motor case.It combines with inductance L1, L2 and forms LC filter circuits.V is varistor, is used
In the transient voltage for inhibiting motor turn-off transient.
In an embodiment of the present invention, as shown in Figure 6：EMC circuits 2：L1 in circuit, L2 be rodlike differential mode inductance, C1,
C2, C3 are MLCC capacitances, and wherein C1 is differential mode capacitor, is connected in parallel between motor positive and negative anodes.C2/C3/C4/C5 is common mode capacitance,
It is connected in parallel between the positive and negative electrode of motor and motor case respectively.It combines with inductance L1, L2 and forms LC filter circuits.V is pressure-sensitive electricity
Resistance, the transient voltage for inhibiting motor turn-off transient.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (5)
1. a kind of motor of automatic elimination pulsating current, which is characterized in that the motor, which is equipped with, can remove patching for pulse current
Part device, the connector assembly include waterproof cover（1）, ground wire（3）, inductance（4）, PIN needle I（5）, PIN needle II（6）、
Connector（7）, load plug（8）；Wherein, inductance（4）There are two, load plug（8）There is a port, in connector（7）On set
There is PIN needle I（5）, PIN needle II（6）, load plug（8）A port pass through an inductance（4）Connect PIN needle I（5）, load and insert
Head（8）Another port pass through another inductance（4）Connect PIN needle II（6）, in PIN needle I（5）, PIN needle II（6）Between connect two
A common mode capacitance, i.e. the first common mode capacitance（C2）, the second common mode capacitance（C3）, the first common mode capacitance（C2）With the second common mode capacitance
（C3）Tie point ground wire（3）；In load plug（8）Two be terminated with a differential mode capacitor（C1）, in PIN needle I（5）、
PIN needle II（6）With load plug（8）Between formed a filter network.
2. a kind of motor of automatic elimination pulsating current according to claim 1, which is characterized in that the differential mode capacitor
（C1）, the first common mode capacitance（C2）, the second common mode capacitance（C3）, two inductance（4）It is arranged in a circuit board（2）On, wherein
First common mode capacitance（C2）With the second common mode capacitance（C3）One end connect an inductance respectively（4）, the first common mode capacitance
（C2）With the second common mode capacitance（C3）Tie point ground wire（3）, two inductance（4）Another termination load plug（8）；
Load plug（8）Both ends between connect there are one differential mode capacitor（C3）；In PIN needle I（5）, PIN needle II（6）With load plug（8）
Between formed a filter network.
3. a kind of motor of automatic elimination pulsating current according to claim 2, which is characterized in that the circuit board
（2）It is arranged in connector（7）On box in, on the box be equipped with waterproof cover（1）.
4. a kind of motor of automatic elimination pulsating current according to claim 1 or 2, which is characterized in that described two
Inductance（4）That is the first inductance（L1）, the second inductance（L2）For rodlike differential mode inductance.
5. a kind of motor of automatic elimination pulsating current according to claim 2, which is characterized in that shown circuit board（2）
For printed wiring board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721648662.5U CN207819687U (en) | 2017-11-30 | 2017-11-30 | A kind of motor of automatic elimination pulsating current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721648662.5U CN207819687U (en) | 2017-11-30 | 2017-11-30 | A kind of motor of automatic elimination pulsating current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207819687U true CN207819687U (en) | 2018-09-04 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721648662.5U Expired - Fee Related CN207819687U (en) | 2017-11-30 | 2017-11-30 | A kind of motor of automatic elimination pulsating current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207819687U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108123574A (en) * | 2017-11-30 | 2018-06-05 | 南通联科汽车零部件股份有限公司 | A kind of motor of automatic elimination pulsating current |
-
2017
- 2017-11-30 CN CN201721648662.5U patent/CN207819687U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108123574A (en) * | 2017-11-30 | 2018-06-05 | 南通联科汽车零部件股份有限公司 | A kind of motor of automatic elimination pulsating current |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 |
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| CF01 | Termination of patent right due to non-payment of annual fee |