CN205666807U - Filter circuit , power cord subassembly and consumer - Google Patents
Filter circuit , power cord subassembly and consumer Download PDFInfo
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- CN205666807U CN205666807U CN201620480343.7U CN201620480343U CN205666807U CN 205666807 U CN205666807 U CN 205666807U CN 201620480343 U CN201620480343 U CN 201620480343U CN 205666807 U CN205666807 U CN 205666807U
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Abstract
The utility model provides a filter circuit, power cord subassembly and consumer, wherein, filter circuit includes: common mode inhibiting module, including a common mode inductance, the power supply interface of series connection to power, common mode inhibiting module are used for the common mode interference signal of filtering by the power production, differential mode inhibiting module, including first electric capacity and second electric capacity, first electric capacity sets up between a common mode inductance's zero line input and firewire input port, and second electric capacity sets up between a common mode inductance's zero line output and live wire output, and differential mode inhibiting module is used for the differential mode interfering signal of filtering by the power production, the ground wire is connected to common mode inhibiting module's ground wire interface. Through the technical scheme of the utility model, can restrain the electromagnetic interference noise of consumer, promote the security of consumer, improve the work efficiency of consumer.
Description
Technical field
This utility model relates to living electric apparatus technical field, more specifically, relates to a kind of filter circuit, a kind of power line
Assembly and a kind of electrical equipment.
Background technology
In the related, in the living electric apparatus such as soy bean milk making machine, electromagnetic oven, EMC (Electro Magnetic
Compatibility, Electro Magnetic Compatibility) module is integrated on the circuit board of inside, owing to EMC module volume is bigger, causes
On circuit board, significantly area is occupied by EMC module, makes living electric apparatus overall volume bigger than normal.
Therefore, how to design a kind of power line, it is possible to be integrated in by filter circuit inside power line, set reducing electricity consumption
The volume of standby body becomes current problem demanding prompt solution.
Utility model content
This utility model is intended at least to solve one of technical problem present in prior art or correlation technique.
To this end, a purpose of the present utility model is to propose a kind of filter circuit.
Another purpose of the present utility model is to propose a kind of electrical cord assembly.
Further object of the present utility model is to propose a kind of electrical equipment.
In order to solve at least one above-mentioned technical problem, the embodiment of first aspect of the present utility model provides a kind of filter
Wave circuit, including: common mode inhibition module, including the first common mode inductance, it is connected to the power supply interface of power supply, common mode inhibition module is used
In filtering the common mode interference signal produced by power supply；Differential mode suppression module, including the first electric capacity and the second electric capacity, the first electric capacity sets
Being placed between the zero line input of the first common mode inductance and live wire input, the second electric capacity is arranged at the zero line of the first common mode inductance
Between outfan and fire wire output end, differential mode suppression module is for filtering the differential mode interference signal produced by power supply；Ground wire, connects
Interface of the ground wire to common mode inhibition module.
In above-described embodiment, when charge inducing occurs, induction electromotive force certainly will be produced, it is possible to form faradism
Stream, owing to faradic current can form induced field, thus forms eddy current, so that waste electric energy, even burns electrical equipment, in order to
Prevent the waste of electric energy and from the noise jamming of alternating current, increase filter circuit at power input, to filter out common mode
Interference signal and differential mode interference signal, such that it is able to the electromagnetic interference noise of suppression electrical equipment, improve the peace of electrical equipment
Quan Xing, improves the work efficiency of electrical equipment.
Specifically, the power supply signal of power supply at least two wires (live wire and zero line) in communication process, when live wire and
When zero line carries out electric current transmission respectively as round circuit, it is referred to as " differential mode ", when live wire and zero line are as outlet, and ground wire is as returning
During loop transfer, it is referred to as " common mode ", so-called differential mode interference, i.e. interference between live wire and zero line, so-called common mode disturbances, then refers to
Interference between live wire and ground wire or zero line and ground wire, arranges common mode inhibition module and differential mode suppression module, common mode inhibition module
Mainly including common mode inductance, with the electromagnetic wave outside radiation-emitting produced in suppression circuit, differential mode suppression module includes at least one
Individual electric capacity, to leach the differential mode interference in power lead.
Preferably, common mode inhibition module also includes: the 3rd electric capacity and the 4th electric capacity, and the 3rd electric capacity is arranged at zero line outfan
With between ground wire, the 4th electric capacity is arranged between fire wire output end and ground wire；Differential mode suppression module also includes: bleeder resistance, and
Connection is connected to the first electric capacity, for the electric charge that the first electric capacity of releasing is accumulative.
In above-described embodiment, the 3rd electric capacity and the 4th electric capacity and the symmetrical π type low-pass filtering module of the first common mode inductance composition,
The normality interference signal in electric power network can be stoped to enter electrical equipment, be arranged in parallel bleeder resistance with the first electric capacity simultaneously,
The charge discharging resisting of accumulation on first electric capacity can be fallen, after preventing from affecting filtering characteristic, and power-off because of charge accumulated, electricity can also be made
The input in source is not charged, it is ensured that the safety of use.
Specifically, the first common mode inductance is common mode choke, owing to two coil winding-directions of the first common mode inductance are consistent, when
When mains input current flows through the first common mode inductance, can cancel out each other in produced magnetic field, will not cause the saturated of magnetic core, the
One common mode inductance, for common-mode noise, is equivalent to the inductance of a very big inductance quantity, therefore, it is possible to effectively suppression common mode conduction
Noise, the most over the ground and common-mode noise is played bypass effect by the 3rd electric capacity and the 4th electric capacity that connect, the first common mode inductance two ends are also
Differential mode noise is played inhibitory action by the first electric capacity and second electric capacity of connection.
Preferably, filter circuit also includes: the second common mode inductance, and including the first winding and the second winding, the first winding is even
Being connected between the 3rd electric capacity and zero line outfan, the second winding is connected between the 4th electric capacity and fire wire output end.
In above-described embodiment, by the second common mode inductance being arranged between common mode inhibition module and outfan, it is possible to enter
One step strengthens the suppression to common mode disturbances, improves the signal to noise ratio in transmission circuit, thus improves the work effect of electrical equipment
Rate.
Preferably, differential mode suppression module also includes: varistor, is arranged at the first common mode inductance in parallel with bleeder resistance
Input, varistor is for the surge voltage that produced by power supply of suppression.
In above-described embodiment, by arranging varistor at the input of the first common mode inductance, it is possible to effectively suppress electricity
The surge voltage occurred in source network, promotes late-class circuit and resists the ability of surge, reduce electrical equipment and error starting occur
Probability, reduces the damage probability of electrical equipment.
Preferably, differential mode suppression module also includes: protective tube, and power supply varistor and protective tube are disposed in series in zero line
Between input and live wire input, for power supply is carried out overcurrent protection.
In above-described embodiment, at the protective tube that zero line input and live wire input are arranged, it is possible to occur at late-class circuit
Quick fuse in the case of short circuit, to protect late-class circuit, improves the safety of power supply and electrical equipment.
Preferably, the first electric capacity and the second electric capacity value all in the range of 0.1uF to 2uF, the 3rd electric capacity and the 4th electricity
Appearance value is all in the range of 100pF to 4700pF, and the first common mode inductance value is in the range of 1mH to 10mH.
In above-described embodiment, by arranging the span of electric capacity and inductance, it is possible to promote the inhibition to interference.
Preferably, the second common mode inductance value is in the range of 1mH to 20mH.
In above-described embodiment, by arranging the span of the second inductance, it is possible to promote further and common mode disturbances is pressed down
Effect processed.
The embodiment of second aspect of the present utility model provides a kind of electrical cord assembly, including: electromagnetic induction suppression collection
Become module, including the filter circuit of any of the above-described embodiment；Power cable, filter circuit can releasably be assembled in power line
In cable.
In one embodiment, power cable includes attaching plug and the cable being connected with this plug, and electromagnetic induction suppresses
Integration module can arrange with attaching plug in or cable on, can be in the case of not increasing power volume, for the use of rear class
Electricity equipment is removed and is disturbed, and reduces the small product size of electrical equipment, improves the experience of user.
In another embodiment, power cable includes attaching plug, the cable connecting attaching plug and and electromagnetic induction
Suppression integration module coordinates the slotting tail assembled, electromagnetic induction suppression integration module to include pin, filter circuit and and electrical equipment
Coordinating the slotting tail assembled, electromagnetic induction suppression integration module is detachable connection with power cable, by increasing capacitance it is possible to increase electromagnetic induction
The range of suppression integration module.
Preferably, electromagnetic induction suppression integration module also includes: pin groove, is provided with live prong, zero line in pin groove
Pin and earth pin, the length of earth pin is more than the length of live prong, and the length of earth pin is more than zero line pin
Length；One end of power cable is provided with attaching plug, and the other end of power cable is provided with and the assembling of pin slot fit
Inserting tail, wherein, the cabling surplus of the ground wire of filter circuit is more than the cabling surplus of live wire, and the cabling surplus of ground wire is more than zero line
Cabling surplus.
In above-described embodiment, electromagnetic induction suppression integration module pin groove in be provided with live prong, zero line pin and
Earth pin, ground wire terminal length is longer than fire line terminal length, and ground wire terminal length is longer than zero terminal length, walks in inside
In line, zero line and live wire are connected on the inserted sheet of pcb board with shorter cabling, and ground wire then retains longer surplus, by this
Design, occur in the case of rear end flexible cord is pullled or pin and front end insert tail depart from time, be all zero line and live wire first break
Opening, ground wire finally disconnects, it is ensured that the safety that circuit connects, and improves the service life of electrical equipment.
The embodiment of the third aspect of the present utility model provides a kind of electrical equipment, including: electrical equipment body；As above
Stating the electrical cord assembly of any one embodiment, electrical equipment is connected to power supply by electrical cord assembly.
Wherein, electrical equipment can be soy bean milk making machine, electromagnetic oven, cooking machine, electric cooker, electric pressure cooking saucepan etc..
Additional aspect of the present utility model and advantage will be given in following description part, and part will be from explained below
In become obvious, or recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage are from combining general the accompanying drawings below description to embodiment
Become obvious and easy to understand, wherein:
Fig. 1 is the structural representation of the filter circuit according to an embodiment of the present utility model；
Fig. 2 is the structural representation of the filter circuit according to another embodiment of the present utility model；
Fig. 3 is the structural representation of the filter circuit according to further embodiment of the present utility model；
Fig. 4 is the structural representation of the filter circuit according to another embodiment of the present utility model；
Fig. 5 is the structural representation of the filter circuit according to another embodiment of the present utility model；
Fig. 6 is the structural representation of the filter circuit according to another embodiment of the present utility model；
Fig. 7 is the structural representation of the power line according to an embodiment of the present utility model；
Fig. 8 is the structural representation of the electromagnetic induction filtering integration module according to an embodiment of the present utility model.
Drawing reference numeral is described as follows shown in table:
| Label | Title | Label | Title |
| 10 | Electrical cord assembly | 1148 | Varistor |
| 100 | Electromagnetic induction suppression integration module | 1150 | Protective tube |
| 110 | Electromagnetic induction suppression circuit | 116 | Ground wire |
| 112 | Common mode inhibition module | 118 | Second common mode inductance |
| 1122 | First common mode inductance | 120 | Pin groove |
| 1124 | 3rd electric capacity | 122 | Live prong |
| 1126 | 4th electric capacity | 124 | Zero line pin |
| 114 | Differential mode suppression module | 126 | Earth pin |
| 1142 | First electric capacity | 200 | Power cable |
| 1144 | Second electric capacity | 210 | Attaching plug |
| 1146 | Bleeder resistance | 220 | Insert tail |
Detailed description of the invention
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool
This utility model is further described in detail by body embodiment.It should be noted that in the case of not conflicting, this Shen
Feature in embodiment please and embodiment can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding this utility model, but, this practicality
Novel can implement to use other to be different from mode described here, therefore, protection domain of the present utility model is not subject to
The restriction of following public specific embodiment.
Embodiment one:
As it is shown in figure 1, this utility model provides a kind of filter circuit 110, including common mode inhibition module 112, including the
One common mode inductance 1122, is connected to the power supply interface of power supply, and common mode inhibition module 112 is done for filtering the common mode produced by power supply
Disturb signal；Differential mode suppression module 114, including the first electric capacity 1142 and the second electric capacity 1144, the first electric capacity 1142 is arranged at first
Between the zero line input IN-N and live wire input IN-L of common mode inductance 1122, the second electric capacity 1144 is arranged at the first common mode electricity
Between zero line outfan OUT-N and fire wire output end OUT-L of sense 1122, differential mode suppression module 114 is used for filtering is produced by power supply
Raw differential mode interference signal；Ground wire 116, is connected to the interface of the ground wire EARTH of common mode inhibition module 112.
In above-described embodiment, when charge inducing occurs, induction electromotive force certainly will be produced, it is possible to form faradism
Stream, owing to faradic current can form induced field, thus forms eddy current, so that waste electric energy, even burns electrical equipment, in order to
Prevent the waste of electric energy and from the noise jamming of alternating current, increase filter circuit 110 at power input, to filter out altogether
Mould interference signal and differential mode interference signal, such that it is able to the electromagnetic interference noise of suppression electrical equipment, improve electrical equipment
Safety, improves the work efficiency of electrical equipment.
Specifically, the power supply signal of power supply at least two wires (live wire and zero line) in communication process, when live wire and
When zero line carries out electric current transmission respectively as round circuit, it is referred to as " differential mode ", when live wire and zero line are made as outlet, ground wire 116
During for returning loop transfer, it is referred to as " common mode ", so-called differential mode interference, i.e. interference between live wire and zero line, so-called common mode disturbances, then
Refer to the interference between live wire and ground wire 116 or zero line and ground wire 116, common mode inhibition module 112 and differential mode suppression module are set
114, common mode inhibition module 112 mainly includes common mode inductance, with the electromagnetic wave outside radiation-emitting produced in suppression circuit, differential mode
Suppression module 114 includes at least one electric capacity, to leach the differential mode interference in power lead.
Preferably, common mode inhibition module 112 also includes: the 3rd electric capacity 1124 and the 4th electric capacity 1126, the 3rd electric capacity 1124
Being arranged between zero line outfan OUT-N and ground wire 116, the 4th electric capacity 1126 is arranged at fire wire output end OUT-L and ground wire 116
Between；Differential mode suppression module 114 also includes: bleeder resistance 1146, is connected in parallel to the first electric capacity 1142, is used for the first electricity of releasing
Hold 1142 accumulative electric charges.
In above-described embodiment, the 3rd electric capacity 1124 and the 4th electric capacity 1126 and the first common mode inductance 1122 form symmetrical π type
Low-pass filtering module, can stop the normality interference signal in electric power network to enter electrical equipment, simultaneously with the first electric capacity 1142
It is arranged in parallel bleeder resistance 1146, the charge discharging resisting of accumulation on the first electric capacity 1142 can be fallen, prevent because of charge accumulated impact filter
The input that can also make power supply after wave property, and power-off is not charged, it is ensured that the safety of use.
Specifically, the first common mode inductance 1122 is common mode choke, due to the first common mode inductance 1122 two coils around
To unanimously, when mains input current flows through the first common mode inductance 1122, can cancel out each other in produced magnetic field, will not cause
Magnetic core saturated, the first common mode inductance 1122, for common-mode noise, is equivalent to the inductance of a very big inductance quantity, therefore, it is possible to
Effectively suppression common mode conducted noise, the most over the ground and common-mode noise is played bypass by the 3rd electric capacity 1124 and the 4th electric capacity 1126 that connect
Effect, differential mode noise is played suppression and makees by the first electric capacity 1142 and the second electric capacity 1144 that the first common mode inductance 1122 two ends are in parallel
With.
Embodiment two:
As in figure 2 it is shown, filter circuit 110 also includes: the second common mode inductance 118, including the first winding and the second winding, the
One winding is connected between the 3rd electric capacity 1124 and zero line outfan OUT-N, and the second winding is connected to the 4th electric capacity 1126 and fire
Between line output terminal OUT-L.
In above-described embodiment, by the second common mode inductance 118 being arranged between common mode inhibition module 112 and outfan,
The suppression to common mode disturbances can be strengthened further, improve the signal to noise ratio in transmission circuit, thus improve electrical equipment
Work efficiency.
Embodiment three:
As it is shown on figure 3, differential mode suppression module 114 also includes: varistor 1148, arrange in parallel with bleeder resistance 1146
In the input of the first common mode inductance 1122, the surge voltage that varistor 1148 is produced by power supply for suppression.
In above-described embodiment, by arranging varistor 1148 at the input of the first common mode inductance 1122, it is possible to effectively
The surge voltage occurred in ground suppression electric power network, promotes late-class circuit and resists the ability of surge, reduces electrical equipment and occurs
The probability of error starting, reduces the damage probability of electrical equipment.
Embodiment four:
As shown in Figure 4, it is also possible between live wire input IN-L and ground wire 116, zero line input IN-N and ground wire 116
Between be respectively provided with varistor 1148, the surge voltage occurred in suppression electric power network further.
Embodiment five:
As shown in Figure 5, it is preferable that differential mode suppression module 114 also includes: protective tube 1150, power supply varistor 1148 He
Protective tube 1150 is disposed in series between zero line input IN-N and live wire input IN-L, protects for power supply carries out stream
Protect.
In above-described embodiment, at the protective tube 1150 that zero line input IN-N and live wire input IN-L is arranged, it is possible to
There is quick fuse in the case of short circuit in late-class circuit, to protect late-class circuit, improves power supply and electrical equipment
Safety.
Preferably, the first electric capacity 1142 and the second electric capacity 1144 value all in the range of 0.1uF to 2uF, the 3rd electric capacity
1124 and the 4th electric capacity 1126 value all in the range of 100pF to 4700pF, the first common mode inductance 1122 value is at 1mH extremely
In the range of 10mH.
In above-described embodiment, by arranging the span of electric capacity and inductance, it is possible to promote the inhibition to interference.
Preferably, the second common mode inductance 118 value is in the range of 1mH to 10mH.
In above-described embodiment, by arranging the span of the second inductance, it is possible to promote further and common mode disturbances is pressed down
Effect processed.
Embodiment six:
As shown in Figure 6, embodiment two and embodiment five are combined, obtain a kind of filter circuit 110 more preferably,
Improve the rejection ability to common mode disturbances and differential mode interference further.
Embodiment seven:
As it is shown in fig. 7, this utility model provides a kind of electrical cord assembly 10, including: electromagnetic induction suppression integration module
100, including the filter circuit 110 described in any of the above-described embodiment；Power cable 200, filter circuit 110 can releasably group
It is loaded in power cable 200.
In one embodiment, power cable 200 includes attaching plug 210 and the cable being connected with this plug, electromagnetism sense
Should suppress integration module 100 can arrange with attaching plug 210 in or cable on, can be in the situation not increasing power volume
Under, the electrical equipment removal for rear class is disturbed, and reduces the small product size of electrical equipment, improves the experience of user.
In another embodiment, power cable 200 include attaching plug 210, connect attaching plug 210 cable and with
Electromagnetic induction suppression integration module 100 coordinates the slotting tail 220 assembled, electromagnetic induction suppression integration module 100 to include pin, filtering
Circuit 110 and coordinate the slotting tail 220 assembled with electrical equipment, electromagnetic induction suppression integration module 100 is can with power cable 200
It is detachably connected with, by increasing capacitance it is possible to increase the range of electromagnetic induction suppression integration module 100.
Embodiment eight:
As shown in Figure 8, it is preferable that electromagnetic induction suppression integration module 100 also includes: pin groove 120, in pin groove 120
Being provided with live prong 122, zero line pin 124 and earth pin 126, the length of earth pin 126 is more than live prong 122
Length, and the length of earth pin 126 is more than the length of zero line pin 124；One end of power cable 200 is provided with attaching plug
210, the other end of power cable 200 is provided with and coordinates the slotting tail 220 assembled, wherein, filter circuit 110 with pin groove 120
The cabling surplus of ground wire 116 is more than the cabling surplus of live wire, and the cabling surplus of ground wire 116 is more than the cabling surplus of zero line.
In above-described embodiment, the pin groove 120 of electromagnetic induction suppression integration module 100 is provided with live prong 122, zero
Line pin 124 and earth pin 126, ground wire terminal length is longer than fire line terminal length, and ground wire terminal length is longer than zero line side
Sub-length, in internal cabling, zero line and live wire are connected on the inserted sheet of pcb board with shorter cabling, and ground wire 116 then retains
Longer surplus, by this design, is occurring in the case of rear end flexible cord is pullled or pin is inserted tail 220 with front end and departed from
Time, it being all zero line and live wire first disconnects, ground wire 116 finally disconnects, it is ensured that the safety that circuit connects, and improves electrical equipment
Service life.
Embodiment nine:
This utility model additionally provides a kind of electrical equipment, including: electrical equipment body；Such as above-mentioned any one embodiment institute
The electrical cord assembly 10 stated, electrical equipment is connected to power supply by electrical cord assembly 10.
By electromagnetic induction suppresses integration module 100 be arranged in electrical cord assembly 10, can effectively reduce electricity consumption
The volume of equipment, improves the experience of user.
Wherein, electrical equipment can be soy bean milk making machine, electromagnetic oven, cooking machine, electric cooker, electric pressure cooking saucepan etc..
In the description of this specification, term " first ", " second " are only used for the purpose described, and it is not intended that indicate
Or hint relative importance；Term " connects ", " installation ", " fixing " etc. all should be interpreted broadly, and such as, " connection " can be solid
Fixed connection, it is also possible to be to removably connect, or be integrally connected；Can be to be joined directly together, it is also possible to indirect by intermediary
It is connected.For the ordinary skill in the art, can understand that above-mentioned term is in this utility model as the case may be
Concrete meaning.
In the description of this specification, the description of term " embodiment " etc. means to combine this embodiment or example describes
Specific features, structure, material or feature be contained at least one embodiment of the present utility model or example.In this specification
In, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description,
Structure, material or feature can combine in any one or more embodiments or example in an appropriate manner.
These are only preferred embodiment of the present utility model, be not limited to this utility model, for this area
Technical staff for, this utility model can have various modifications and variations.It is all within spirit of the present utility model and principle,
Any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (11)
1. a filter circuit, it is characterised in that including:
Common mode inhibition module, including the first common mode inductance, is connected to the power supply interface of power supply, and described common mode inhibition module is used for filtering
Except the common mode interference signal produced by described power supply；
Differential mode suppression module, including the first electric capacity and the second electric capacity, described first electric capacity is arranged at described first common mode inductance
Between zero line input and live wire input, described second electric capacity is arranged at zero line outfan and the fire of described first common mode inductance
Between line output terminal, described differential mode suppression module is for filtering the differential mode interference signal produced by described power supply；
Ground wire, is connected to the interface of the ground wire of described common mode inhibition module.
Filter circuit the most according to claim 1, it is characterised in that described common mode inhibition module also includes:
3rd electric capacity and the 4th electric capacity, described 3rd electric capacity is arranged between described zero line outfan and ground wire, described 4th electricity
It is installed with and is placed between described fire wire output end and described ground wire；
Described differential mode suppression module also includes: bleeder resistance, is connected in parallel to described first electric capacity, is used for described first electricity of releasing
Hold accumulative electric charge.
Filter circuit the most according to claim 2, it is characterised in that described filter circuit also includes:
Second common mode inductance, including the first winding and the second winding, described first winding is connected to described 3rd electric capacity and described
Between zero line outfan, described second winding is connected between described 4th electric capacity and described fire wire output end.
Filter circuit the most according to claim 3, it is characterised in that described differential mode suppression module also includes:
Varistor, with the input that described bleeder resistance is arranged at described first common mode inductance in parallel, described varistor
The surge voltage produced by described power supply for suppression.
Filter circuit the most according to claim 4, it is characterised in that described differential mode suppression module also includes:
Protective tube, varistor described in power supply and described protective tube are disposed in series in described zero line input and described live wire defeated
Enter between end, for described power supply is carried out overcurrent protection.
6. according to the filter circuit according to any one of claim 2 to 5, it is characterised in that
Described first electric capacity and described second electric capacity value all in the range of 0.1uF to 2uF, described 3rd electric capacity and described
Four electric capacity values are all in the range of 100pF to 4700pF, and described first common mode inductance value is in the range of 1mH to 10mH.
7. according to the filter circuit according to any one of claim 3 to 5, it is characterised in that
Described second common mode inductance value is in the range of 1mH to 20mH.
8. an electrical cord assembly, it is characterised in that including:
Electromagnetic induction suppression integration module, including the filter circuit as according to any one of claim 1 to 7；
Power cable, described filter circuit can releasably be assembled in described power cable.
Electrical cord assembly the most according to claim 8, it is characterised in that described electromagnetic induction suppression module also includes:
Pin groove, is provided with live prong, zero line pin and earth pin in described pin groove, the length of described earth pin is big
In the length of described live prong, and the length of described earth pin is more than the length of described zero line pin；
One end of described power cable is provided with attaching plug, and the other end of described power cable is provided with joins with described pin groove
The slotting tail of charge-coupled dress,
Wherein, the cabling surplus of the ground wire of described filter circuit is more than the cabling surplus of live wire, and the cabling surplus of described ground wire
Cabling surplus more than zero line.
10. an electrical equipment, it is characterised in that including:
Electrical equipment body；
Electrical cord assembly as described in claim 8 or 9, described electrical equipment is connected to electricity by described electrical cord assembly
Source.
11. electrical equipments according to claim 10, it is characterised in that described electrical equipment body be soy bean milk making machine body,
One in electromagnetic oven body, rice cooker body, cooking machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620480343.7U CN205666807U (en) | 2016-05-23 | 2016-05-23 | Filter circuit , power cord subassembly and consumer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620480343.7U CN205666807U (en) | 2016-05-23 | 2016-05-23 | Filter circuit , power cord subassembly and consumer |
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| Publication Number | Publication Date |
|---|---|
| CN205666807U true CN205666807U (en) | 2016-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620480343.7U Active CN205666807U (en) | 2016-05-23 | 2016-05-23 | Filter circuit , power cord subassembly and consumer |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105871352A (en) * | 2016-05-23 | 2016-08-17 | 广东美的生活电器制造有限公司 | Filter circuit, power line assembly and electric equipment |
| CN108075637A (en) * | 2016-11-18 | 2018-05-25 | 佛山市顺德区美的电热电器制造有限公司 | EMC filter circuit, electromagnetic heating Household appliance control circuit and household electrical appliance |
| CN109217654A (en) * | 2018-09-19 | 2019-01-15 | 佛山市顺德区新迅电子科技有限公司 | A kind of small household appliances EMC filter circuit |
| CN112803754A (en) * | 2019-11-13 | 2021-05-14 | 广东美的白色家电技术创新中心有限公司 | EMI filter and household electrical appliance |
| CN113972658A (en) * | 2020-07-22 | 2022-01-25 | 京东方科技集团股份有限公司 | Anti electric power environment suppression circuit, touch screen and touch display device |
| CN114086944A (en) * | 2021-11-09 | 2022-02-25 | 中海石油(中国)有限公司 | Monitoring method and system for improving monitoring precision of oil-water interface of cased reservoir |
| CN115866436A (en) * | 2023-02-24 | 2023-03-28 | 荣耀终端有限公司 | Communication circuit and related device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871352A (en) * | 2016-05-23 | 2016-08-17 | 广东美的生活电器制造有限公司 | Filter circuit, power line assembly and electric equipment |
| CN108075637A (en) * | 2016-11-18 | 2018-05-25 | 佛山市顺德区美的电热电器制造有限公司 | EMC filter circuit, electromagnetic heating Household appliance control circuit and household electrical appliance |
| CN109217654A (en) * | 2018-09-19 | 2019-01-15 | 佛山市顺德区新迅电子科技有限公司 | A kind of small household appliances EMC filter circuit |
| CN112803754A (en) * | 2019-11-13 | 2021-05-14 | 广东美的白色家电技术创新中心有限公司 | EMI filter and household electrical appliance |
| CN112803754B (en) * | 2019-11-13 | 2022-04-15 | 广东美的白色家电技术创新中心有限公司 | EMI filter and household electrical appliance |
| CN113972658A (en) * | 2020-07-22 | 2022-01-25 | 京东方科技集团股份有限公司 | Anti electric power environment suppression circuit, touch screen and touch display device |
| CN114086944A (en) * | 2021-11-09 | 2022-02-25 | 中海石油(中国)有限公司 | Monitoring method and system for improving monitoring precision of oil-water interface of cased reservoir |
| CN115866436A (en) * | 2023-02-24 | 2023-03-28 | 荣耀终端有限公司 | Communication circuit and related device |
| CN115866436B (en) * | 2023-02-24 | 2023-07-25 | 荣耀终端有限公司 | Communication circuit and related device |
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