CN201278509Y - Capacitor filter - Google Patents

Capacitor filter Download PDF

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Publication number
CN201278509Y
CN201278509Y CNU2008201758613U CN200820175861U CN201278509Y CN 201278509 Y CN201278509 Y CN 201278509Y CN U2008201758613 U CNU2008201758613 U CN U2008201758613U CN 200820175861 U CN200820175861 U CN 200820175861U CN 201278509 Y CN201278509 Y CN 201278509Y
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China
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film
type
conductor layer
skeleton
earth terminal
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Expired - Fee Related
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CNU2008201758613U
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Chinese (zh)
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梁伟国
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Individual
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Abstract

The utility model relates to a capacitor filter used for filtering household appliances, comprising a framework, two thin film type conductive layers and at least three thin film type insulating layers. The two thin film type conductive layers are separated from each other by one thin film type insulating layer to be nonconductive; a thin film type grounding conductive layer with one end being grounded is arranged between the conductive layer at the L end and the conductive layer at the N end; the conductive layer at the L end is separated from the thin film type grounding conductive layer by another thin film type insulating layer to be nonconductive and forms one capacitor, and the conductive layer at the N end is separated from the thin film type grounding conductive layer by still another thin film type insulating layer so as to be nonconductive and form another capacitor; and the layered bodies are rolled into a thin film type winding which is sleeved on the framework. The utility model forms an inductor through winding the conductive layer at the L end and the conductive layer at the N end round the framework and forms a capacitor through the separation of the conductive layer at the L end from the conductive layer at the N end, simplifies the complicated circuit installation process and prolongs the service life of the household appliances.

Description

A kind of capacitive filter
Technical field
The utility model relates to the capacitive filter that a kind of household appliances filtering is used.
Background technology
Existing filter generally adopts inductance to add x and y electric capacity or inductance to add Y electric capacity and carry out filtering, the filter of this mode needs to adjust x or y capacitance owing to employed load inductance is different, so versatility is not strong, and need to use inductance and electric capacity in the filter, the parts of filter can be many.
Summary of the invention
Therefore, the purpose of this utility model is to provide a kind of highly versatile and the enough less electronic components of energy just can realize the capacitive filter of filter function.
The purpose of this utility model can realize respectively by following two technical schemes respectively:
First technical scheme: a kind of capacitive filter, comprise skeleton, two film-type conductor layers and at least three film-type insulating barriers, separate by the film-type insulating barrier between two film-type conductor layers and make not conducting between two film-type conductor layers, wherein to be connected on the film-type conductor layer in the live wire circuit be L end conductor layer for input and output, the film-type conductor layer that input and output are connected in the zero line circuit is a N end conductor layer, go back the corresponding film-type grounding conductor layer that one one end is used for ground connection that is provided with between L end conductor layer and the N end conductor layer, separate not conducting by the film-type insulating barrier between L end conductor layer and the film-type grounding conductor layer and form electric capacity, also separate not conducting between N end conductor layer and the film-type grounding conductor layer and form electric capacity by the film-type insulating barrier, above-mentioned film-type conductor layer, the film-type insulating barrier, the film-type grounding conductor layer is rolled into a film-type winding jointly, and the film-type winding is set on the skeleton.
First technical scheme also can be made to the following further improve:
Described film-type winding and skeleton outer surface wrap up by insulator, the input and the output of two film-type conductor layers stretch out insulator, the earth terminal of film-type grounding conductor layer stretches out insulator, perhaps the earth terminal of film-type grounding conductor layer is connected (when skeleton is conductor) with skeleton, and skeleton is provided with the earth terminal that stretches out insulator.
Described film-type conductor layer, film-type insulating barrier and film-type grounding conductor layer are wrapped in earlier and form the film-type winding on the hollow sleeve, and sleeve is set on the transformer framework again.
Described film-type winding, sleeve and skeleton outer surface wrap up by insulator, the input and the output of two film-type conductor layers stretch out insulator, the earth terminal of film-type grounding conductor layer stretches out insulator, and perhaps the earth terminal of film-type grounding conductor layer is connected (when skeleton is conductor) with skeleton, skeleton is provided with the earth terminal that stretches out insulator.
Described skeleton can be hollow or solid; Can be magnetic conduction or non-magnetic conduction, and not have the requirement of profile.
The inductance value of described two film-type conductor layers is than in the 0.9-1.1 scope.
Second technical scheme: a kind of capacitive filter, comprise skeleton, two film-type conductor layers and at least three film-type insulating barriers, separate by the film-type insulating barrier between two film-type conductor layers and make not conducting between two film-type conductor layers, wherein to be connected on the film-type conductor layer in the live wire circuit be L end conductor layer for input and output, the film-type conductor layer that input and output are connected in the zero line circuit is a N end conductor layer, L end conductor layer also correspondence is provided with the film-type grounding conductor layer A that one one end is used for ground connection, separate not conducting by the film-type insulating barrier between the two and form electric capacity, N end conductor layer also correspondence is provided with the film-type grounding conductor layer B that one one end is used for ground connection, separate not conducting by the film-type insulating barrier between the two and form electric capacity, above-mentioned film-type conductor layer, the film-type insulating barrier, film-type grounding conductor layer A and film-type grounding conductor layer B are rolled into a film-type winding jointly, and the film-type winding is set on the skeleton.
Second technical scheme also can be made to the following further improve:
Described film-type winding and skeleton outer surface wrap up by insulator, the input and the output of two film-type conductor layers stretch out insulator, the earth terminal of the earth terminal of film-type grounding conductor layer A and film-type grounding conductor layer B stretches out insulator, and perhaps the earth terminal of the earth terminal of film-type grounding conductor layer A and film-type grounding conductor layer B is connected with skeleton (when skeleton is conductor), skeleton is provided with the earth terminal that stretches out insulator.
Described film-type conductor layer, film-type insulating barrier, film-type grounding conductor layer A and film-type grounding conductor layer B are wrapped in earlier and form the film-type winding on the hollow sleeve, and sleeve is set on the transformer framework again.
Described film-type winding, sleeve and skeleton outer surface wrap up by insulator, the input and the output of two film-type conductor layers stretch out insulator, the earth terminal of the earth terminal of film-type grounding conductor layer A and film-type grounding conductor layer B stretches out insulator, and perhaps the earth terminal of the earth terminal of film-type grounding conductor layer A and film-type grounding conductor layer B is connected with skeleton (when skeleton is conductor), skeleton is provided with the earth terminal that stretches out insulator.
Described skeleton can be hollow or solid; Can be magnetic conduction or non-magnetic conduction, and not have the requirement of profile.
The inductance value of described two film-type conductor layers is than in the 0.9-1.1 scope.
The utility model change used the copper cash canoe to substitute with the film-type conductive layer in the past, be wound with two film-type conductor layers on the skeleton, separate by the film-type insulating barrier between two film-type conductor layers and make the not conducting of two film-type conductor layers, wherein a film-type conductor layer is connected on and forms L end conductor layer in the live wire circuit, another piece film-type conductor layer is connected on and forms N end conductor layer in the zero line circuit, L end conductor layer is connected on the L output of power line and the L input of load in filter circuit, N end conductor layer is connected on the N output of power line and the N input of load in filter circuit, L end conductor layer and N end conductor layer all use as lead, so L end conductor layer and N end conductor layer can be regarded as two leads on skeleton and the inductance that forms, in addition, owing to have insulating barrier between L end conductor layer and the N end conductor layer, so form an electric capacity between L end conductor layer and the N end conductor layer, like this, the utility model has possessed the characteristic of inductance and electric capacity under the power frequency condition.It more than is the common trait of two technical schemes.
More than two technical schemes also have following some difference, but the essence effect is the same, the first skill scheme is to increase a film-type ground connection conductive layer that is used for ground connection again between L end conductor layer and N end conductor layer, grounding conductor layer is connected to the ground terminal of product, such electric capacity had both had the effect of inductance, can replace X, Y electric capacity or the Y electric capacity of original filter again.The second skill scheme is that L end conductor layer and N end conductor layer increase a film-type grounding conductor layer that is used for ground connection separately again, one end of two grounding conductor layers is connected to ground terminal, such electric capacity had both had the effect of inductance, the X that can replace original filter again, Y electric capacity or Y electric capacity are (when L holds conductor layer and N to hold conductor layer longer than grounding conductor layer, partial L end conductor layer that exceeds and N end conductor layer form X electric capacity by insulation between mutual, L end conductor layer and N end conductor layer form Y electric capacity with grounding conductor layer respectively, shorter or the same with grounding conductor layer when long than grounding conductor layer when L end conductor layer and N end conductor layer, filter has only the formation of Y electric capacity).
The utility model is simple in structure reasonable in design, on skeleton, form inductance by L end conductor layer, N end conductor layer, form electric capacity by the isolation between L end conductor layer and the N end conductor layer, by setting up the Y electric capacity that grounding conductor layer can replace original filter, reduced the complexity that circuit is installed, in the useful life of having improved product, produced fairly simple, can on a working of plastics, be inserted in winding in the skeleton more earlier according to the production technology of existing capacitor; Also can be directly winding on skeleton, when skeleton is metal, can be insulating barrier as the bottom that contacts with skeleton, then on skeleton, if metal level is as with bottom that skeleton contacts the time, can allow the long a little point of insulating barrier, so as insulating barrier earlier on the skeleton surface around a circle or above as insulation, again on skeleton.
Description of drawings
Fig. 1 is a sectional drawing of capacitive filter, just simply shows the matching relationship between L end conductor layer, N end conductor layer and the skeleton.
Fig. 2 is the deployed configuration principle schematic of embodiment 1;
Fig. 3 is the improvement expanded view of embodiment 1;
Fig. 4 is the deployed configuration principle schematic of embodiment 2;
Fig. 5 is the deployed configuration principle schematic of embodiment 3;
Fig. 6 is the deployed configuration principle schematic of embodiment 4;
Fig. 7 is the structural principle schematic diagram of embodiment 5;
Fig. 8 is the deployed configuration principle schematic of embodiment 5;
Fig. 9 is the deployed configuration principle schematic of embodiment 6;
Figure 10 is the electrical schematics of capacitive filter.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment 1, in conjunction with Fig. 1 and Fig. 2, a kind of capacitive filter, comprise that L end conductor layer 1, N hold conductor layer 3, film- type insulating barrier 2,5 and skeleton 4,2 liang of surfaces of film-type insulating barrier are respectively equipped with a film-type grounding conductor layer 6,7, the length of grounding conductor layer 6,7 has only a bit of, be significantly smaller than L end conductor layer 1, N end conductor layer 3 length, be respectively equipped with a bit of film- type insulating barrier 8,9 again between grounding conductor layer 6 and the L end conductor layer 1 and between grounding conductor layer 7 and the N end conductor layer 3, its length is slightly larger than ground connection conductive layer 6,7 (see figure 2)s.
N holds conductor layer 3, L holds conductor layer 1, film- type insulating barrier 2,5, grounding conductor layer 6,7, film- type insulating barrier 8,9 are wrapped on skeleton 4 (see figure 1)s after stacked jointly, wherein N end conductor layer 3 is positioned at internal layer, L end conductor layer 1 is positioned at skin, film-type insulating barrier 2 is located to guarantee to isolate between two conductor layers between N end conductor layer 3 and the L end conductor layer 1 and forms electric capacity, L end conductor layer 1 and N end conductor layer 3 are by spraying, the metal of technology such as overlay film or plating on film-type insulating barrier 5 surfaces forms grounding conductor layer 6,7 also is in the 2 surface spray sprayings of film-type insulating barrier, technology such as overlay film or plating layer of metal forms.The inductance value ratio of L end conductor layer and N end conductor layer is 1, forms an electric capacity between L end conductor layer and the grounding conductor layer 6, forms an electric capacity between N end conductor layer and the grounding conductor layer 7.There is a usefulness resin to make the insulator 13 parcel capacitive filter outer surfaces of insulating material (when skeleton 4 is non-conductor, insulator 13 can be whole wrapping frames 4), N end conductor layer 3 and L end conductor layer 1 are provided with input and output (not shown) respectively, input and output stretch out insulator 13, and input and output can be located at the end or the sidepiece of conductor layer. Grounding conductor layer 6,7 has an end to be respectively applied for ground connection, and the earth terminal of grounding conductor layer 6,7 stretches out insulator 13, or the earth terminal of grounding conductor layer 6,7 is connected with skeleton 4, skeleton is provided with the earth terminal that stretches out insulator 13.Skeleton 4 can be the magnetic conduction or the non-magnet material of Any shape.
The foregoing description also can be further improved, that is exactly N end conductor layer 3, L holds conductor layer 1, film- type insulating barrier 2,5, grounding conductor layer 6,7, film- type insulating barrier 8,9 stacked backs are wrapped on the cannulated sleeve 14 earlier jointly, again sleeve 14 are set on (see figure 3) on the skeleton 4, can improve capacitive filter production efficiency like this, again the insulator 13 parcel capacitive filter outer surfaces of making insulating material with resin.
Embodiment 2, and in conjunction with Fig. 4, the difference of embodiment 2 and embodiment 1 is: grounding conductor layer 6,7 is located at L end conductor layer 1, N end conductor layer 3 outsides respectively, forms insulating barrier by film-type insulating barrier 5 between L end conductor layer 1 and N end conductor layer 3.Grounding conductor layer the 6, the 7th, the metal levels that form on film- type insulating barrier 20,21 surface by technologies such as spraying, overlay film or plating.
Embodiment 2 also can hold N conductor layer 3, L to hold conductor layer 1, film-type insulating barrier 5, and grounding conductor layer 6,7 is wrapped in earlier on the cannulated sleeve (not shown) after film- type insulating barrier 8,9,20,21 is stacked jointly, again sleeve is set on the skeleton 4,
Embodiment 3, and in conjunction with Fig. 5, the difference of embodiment 3 and embodiment 2 is that L end conductor layer 1, N end conductor layer 3 are to be located at same film-type insulating barrier 5 both sides respectively, and the length of the length of film-type insulating barrier 9 and film-type insulating barrier 5 is suitable.
Embodiment 4, in conjunction with Fig. 6, a kind of capacitive filter, comprise L end conductor layer 1, N end conductor layer 3 and skeleton 4, between L end conductor layer 1 and N end conductor layer 3, be provided with a bit of sheet type grounding conductor layer 10, be respectively equipped with a film- type insulating barrier 7,8 again between grounding conductor layer 10 and L end conductor layer 1 and the N end conductor layer 3, film-type insulating barrier 7 length are greater than the length of L end conductor layer 1 and N end conductor layer 3, and film-type insulating barrier 8 length are greater than grounding conductor layer 10 length.Be wrapped in jointly on the skeleton 4 after N end conductor layer 3, L end conductor layer 1, film- type insulating barrier 5,7,8 and grounding conductor layer 10 are stacked, wherein N end conductor layer 3 is positioned at internal layer, L end conductor layer 1 is positioned at skin, film-type insulating barrier 7 is located to guarantee to isolate between two conductor layers between N end conductor layer 3 and the L end conductor layer 1 and forms electric capacity, the metal on insulation film 5 surfaces forms by spraying or plating for L end conductor layer 1 and N end conductor layer 3, and L end conductor layer and N end conductor layer inductance value are 1.Skeleton 4 is the magnetic conduction or the non-magnet material of Any shape.Form an electric capacity between L end conductor layer 1 and the grounding conductor layer 10, also form an electric capacity between N end conductor layer 3 and the grounding conductor layer 10.
There is a usefulness resin to make the insulator (not shown) parcel capacitive filter outer surface of insulating material, N end conductor layer 3 and L end conductor layer 1 are provided with input and output (not shown) respectively, input and output stretch out insulator, and input and output can be located at the end or the sidepiece of conductor layer.Grounding conductor layer 10 has an end to be used for ground connection, and the earth terminal of grounding conductor layer 10 stretches out insulator, or the earth terminal of grounding conductor layer 10 is connected with skeleton 4, skeleton is provided with the earth terminal that stretches out insulator.Skeleton 4 is the magnetic conduction or the non-magnet material of Any shape.
The foregoing description also can be further improved, that is exactly N end conductor layer 3, L holds conductor layer 1, film- type insulating barrier 5,7,8, grounding conductor layer 10 stacked backs are wrapped on the cannulated sleeve earlier jointly, again sleeve is set on the skeleton 4, can improves capacitive filter production efficiency like this, again the insulator parcel capacitive filter outer surface of making insulating material with resin.
Embodiment 5, and in conjunction with Fig. 7 and Fig. 8, the difference of embodiment 5 and embodiment 4 is that N end conductor layer 3 separates for the skim metal and with insulation film 5 with L end conductor layer 1, and skeleton 4 is provided with centre bore 11, and above-mentioned each layer all passes centre bore 11 and be wrapped on the skeleton 4.
Embodiment 6, and in conjunction with Fig. 9, the difference of embodiment 6 and embodiment 5 is that skeleton 4 is a hollow skeleton.
Electrical schematics when Figure 10 uses for capacitive filter, the input of L end conductor layer 1 connects the L1 end of power supply input, output is connected to the L2 input of load, the input of N end conductor layer 3 connects the N1 end of power supply input, output is connected to the N2 input of load, and an end of grounding conductor layer 10 is an earth terminal.
Though what above embodiment described is that L holds conductive layer position 1 in skin, N end conductive layer 3 is positioned at internal layer, and two conductive layer positions are exchanged down the foregoing description effect too.The shape of skeleton 4 and magnetic property and electric conductivity do not influence protection range of the present utility model.

Claims (10)

1, a kind of capacitive filter, comprise skeleton, it is characterized in that: also comprise two film-type conductor layers and at least three film-type insulating barriers, separate by the film-type insulating barrier between two film-type conductor layers and make not conducting between two film-type conductor layers, wherein to be connected on the film-type conductor layer in the live wire circuit be L end conductor layer for input and output, the film-type conductor layer that input and output are connected in the zero line circuit is a N end conductor layer, go back the corresponding film-type grounding conductor layer that one one end is used for ground connection that is provided with between L end conductor layer and the N end conductor layer, separate not conducting by the film-type insulating barrier between L end conductor layer and the film-type grounding conductor layer and form electric capacity, also separate not conducting between N end conductor layer and the film-type grounding conductor layer and form electric capacity by the film-type insulating barrier, above-mentioned film-type conductor layer, the film-type insulating barrier, the film-type grounding conductor layer is rolled into a film-type winding jointly, and the film-type winding is set on the skeleton.
2, according to the described capacitive filter of claim 1, it is characterized in that: described film-type winding and skeleton wrap up by insulator, the input and the output of two film-type conductor layers stretch out insulator, the earth terminal of film-type grounding conductor layer stretches out insulator, and perhaps the earth terminal of film-type grounding conductor layer is connected with skeleton, skeleton is provided with the earth terminal that stretches out insulator.
3, according to the described capacitive filter of claim 1, it is characterized in that: described film-type conductor layer, film-type insulating barrier and film-type grounding conductor layer are wrapped in earlier and form the film-type winding on the hollow sleeve, and sleeve is set on the skeleton again.
4, according to the described capacitive filter of claim 3, it is characterized in that: described film-type winding, sleeve and skeleton wrap up by insulator, the input and the output of two film-type conductor layers stretch out insulator, the earth terminal of film-type grounding conductor layer stretches out insulator, and perhaps the earth terminal of film-type grounding conductor layer is connected with skeleton, skeleton is provided with the earth terminal that stretches out insulator.
5, according to claim 1 or 3 described capacitive filters, it is characterized in that: the inductance value of described two film-type conductor layers is than in the 0.9-1.1 scope.
6, a kind of capacitive filter, comprise skeleton, it is characterized in that: also comprise two film-type conductor layers and at least three film-type insulating barriers, separate by the film-type insulating barrier between two film-type conductor layers and make not conducting between two film-type conductor layers, wherein to be connected on the film-type conductor layer in the live wire circuit be L end conductor layer for input and output, the film-type conductor layer that input and output are connected in the zero line circuit is a N end conductor layer, L end conductor layer also correspondence is provided with the film-type grounding conductor layer A that one one end is used for ground connection, separate not conducting by the film-type insulating barrier between the two and form electric capacity, N end conductor layer also correspondence is provided with the film-type grounding conductor layer B that one one end is used for ground connection, separate not conducting by the film-type insulating barrier between the two and form electric capacity, above-mentioned film-type conductor layer, the film-type insulating barrier, film-type grounding conductor layer A and film-type grounding conductor layer B are rolled into a film-type winding jointly, and the film-type winding is set on the skeleton.
7, according to the described capacitive filter of claim 6, it is characterized in that: described film-type winding and skeleton wrap up by insulator, the input and the output of two film-type conductor layers stretch out insulator, the earth terminal of the earth terminal of film-type grounding conductor layer A and film-type grounding conductor layer B stretches out insulator, perhaps the earth terminal of film-type grounding conductor layer A is connected with skeleton with the earth terminal of film-type grounding conductor layer B, and skeleton is provided with the earth terminal that stretches out insulator.
8, according to the described capacitive filter of claim 6, it is characterized in that: described film-type conductor layer, film-type insulating barrier, film-type grounding conductor layer A and film-type grounding conductor layer B are wrapped in earlier and form the film-type winding on the hollow sleeve, and sleeve is set on the skeleton again.
9, described according to Claim 8 capacitive filter, it is characterized in that: described film-type winding, sleeve and skeleton wrap up by insulator, the input and the output of two film-type conductor layers stretch out insulator, the earth terminal of the earth terminal of film-type grounding conductor layer A and film-type grounding conductor layer B stretches out insulator, and perhaps the earth terminal of film-type grounding conductor layer A is connected with skeleton with the earth terminal of film-type grounding conductor layer B, skeleton is provided with the earth terminal that stretches out insulator.
10, according to claim 6 or 8 described capacitive filters, it is characterized in that: the inductance value of described two film-type conductor layers is than in the 0.9-1.1 scope.
CNU2008201758613U 2008-09-20 2008-10-27 Capacitor filter Expired - Fee Related CN201278509Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201758613U CN201278509Y (en) 2008-09-20 2008-10-27 Capacitor filter

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN200820100110 2008-09-20
CN200820100110.5 2008-09-20
CNU2008201758613U CN201278509Y (en) 2008-09-20 2008-10-27 Capacitor filter

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CN201278509Y true CN201278509Y (en) 2009-07-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015066997A1 (en) * 2013-11-07 2015-05-14 华为技术有限公司 Magnetic integrated device and power conversion circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015066997A1 (en) * 2013-11-07 2015-05-14 华为技术有限公司 Magnetic integrated device and power conversion circuit
US10186974B2 (en) 2013-11-07 2019-01-22 Huawei Technologies Co., Ltd. Magnetic integrated device for coupling with a three-phase parallel circuit and power conversion circuit
US10855190B2 (en) 2013-11-07 2020-12-01 Huawei Technologies Co., Ltd. Magnetic integrated device including multiple core columns and windings and power conversion circuit

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Granted publication date: 20090722

Termination date: 20111027