CN109285702A - A kind of high-power dry-type capacitor - Google Patents
A kind of high-power dry-type capacitor Download PDFInfo
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- CN109285702A CN109285702A CN201811162890.0A CN201811162890A CN109285702A CN 109285702 A CN109285702 A CN 109285702A CN 201811162890 A CN201811162890 A CN 201811162890A CN 109285702 A CN109285702 A CN 109285702A
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- 239000003990 capacitor Substances 0.000 title claims abstract description 79
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- 239000003063 flame retardant Substances 0.000 claims abstract description 8
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 7
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- 239000004743 Polypropylene Substances 0.000 claims description 5
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/224—Housing; Encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/30—Stacked capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/33—Thin- or thick-film capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/40—Structural combinations of fixed capacitors with other electric elements, the structure mainly consisting of a capacitor, e.g. RC combinations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The present invention provides a kind of high-power dry-type capacitors, are related to capacitor area.The high-power dry-type capacitor includes capacitor casing, and the capacitor casing includes insulating layer and flame-retardant layer；The side of the capacitor casing is arranged in binding post, the binding post；Capacitance core, the capacitance core include multiple film layers and layer of metallized film, and the film layer and the layer of metallized film interval are arranged；Piezoelectric energy transducing head, the piezoelectric energy transducing head is fixedly connected in the capacitor casing, and be electrically connected with the binding post, the piezoelectric energy transducing head is suitable for converting mechanical vibrational energy to electric energy, and to the high-power dry-type capacitor charging.Mechanical vibrational energy is converted to electric energy by the piezoelectric energy energy converter and powered to it by high-power dry-type capacitor of the present invention, realizes saving energy, the function that energy recycles.
Description
Technical field
The present invention relates to capacitor technology field, in particular to a kind of high-power dry-type capacitor.
Background technique
High-power dry-type capacitor has resistance to overclocking, impact-resistant good function, both can charge or discharge, and can incite somebody to action
Place of the energy of storage for needs.But the electric energy of itself storage compares consumption mostly from the electric energy supply of power supply unit
Electric energy.There are a large amount of mechanical vibrational energies to be utilized well in current everyday environments, can be by these machinery
Vibrational energy conversion is collected and is stored in high-power dry-type capacitor, is good saving power resource so that it is used
Method.
In view of the above drawbacks, creator of the present invention obtains the present invention by prolonged research and practice finally.
Summary of the invention
In view of this, the present invention is directed to propose a kind of high-power dry-type capacitor, is converted mechanical vibrational energy to solution
The technical issues of electric energy.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of high-power dry-type capacitor, the high-power dry-type capacitor include:
Capacitor casing, the capacitor casing are successively arranged flame-retardant layer and insulating layer from outside to inside；
The side of the capacitor casing is arranged in binding post, the binding post；
Capacitance core, capacitance core setting the capacitor can within, and coated and seal by the insulating layer；The electricity
Rong Xin includes multiple film layers and layer of metallized film, and the film layer and the layer of metallized film interval are arranged；
Piezoelectric energy transducing head, the piezoelectric energy transducing head are fixedly connected in the capacitor casing, and with
The binding post electrical connection, the piezoelectric energy transducing head are suitable for converting electric energy for mechanical vibrational energy.
Optionally, the film layer is polypropylene film, and the layer of metallized film is to be vaporized on the thin-film surface.
Optionally, the insulating layer is epoxy resin layer, and the flame-retardant layer is fire retarding epoxide resin powder bed.
Optionally, the piezoelectric energy transducing head includes:
Positive electrode plate, the positive electrode plate are suitable for collecting positive charge；
Negative electrode plate, the negative electrode plate are suitable for collecting negative electrical charge；
Outline border, the outline border are fixedly connected with the shell, and the positive electrode plate is set with the negative electrode plate relative spacing
It is placed in the outline border；
Connection structure, the positive electrode plate, the negative electrode plate are connect with the outline border by the connection structure；
Piezoelectricity item, the piezoelectricity item include the first piezoelectricity item and the second piezoelectricity item, one end of the first piezoelectricity item and institute
Positive electrode plate connection is stated, the other end is connect with the outline border；One end of the second piezoelectricity item is connect with the negative electrode plate, separately
One end is connect with the outline border.
Optionally, the connection structure includes the first connection structure and the second connection structure, first connection structure
One end is connected with the positive electrode plate, and the other end is connected with the outline border；One end of second bindiny mechanism and the negative electricity
Pole plate is connected, and the other end is connected with the outline border.
Optionally, the first anchor point is provided on the positive electrode plate, first connection structure and the positive electrode plate are logical
Cross the first anchor point connection；
First anchor point further includes a forward diode, the positive phase of the positive electrode plate and the forward diode
Even, the first piezoelectricity item is connected with the cathode of the forward diode.
Optionally, it is provided with the second anchor point on the negative electrode plate, the second connection structure and negative electrode plate pass through described the
The connection of two anchor points；
Second anchor point further includes a negative sense diode, the cathode phase of the negative electrode plate and the negative sense diode
Even, the second piezoelectricity item is connected with the anode of the negative sense diode.
Optionally, the first piezoelectricity item is arranged close at least one side of first connection structure, but each other not
It is connected；
The second piezoelectricity item is arranged close at least one side of second connection structure, but is not attached to each other.
Optionally, the quantity of first anchor point is 4, and wherein one group of every two, the first anchor point described in two groups divide respectively
Cloth is at the left and right edges of the positive electrode plate；
The quantity of first connection structure is identical as the quantity of first anchor point, and each described first connection knot
One end of structure is connected with corresponding first anchor point, and the other end is connected with the left and right inner sidewall of the outline border.
Optionally, the quantity of second anchor point is 4, and wherein one group of every two, the second anchor point described in two groups divide respectively
Cloth is at the lower edges of the negative electrode plate；
The quantity of second connection structure is identical as the quantity of second anchor point, and each described second connection knot
One end of structure is connected with corresponding second anchor point, and the other end is connected with the inner sidewall up and down of the outline border.
Compared with the existing technology, high-power dry-type capacitor of the present invention has the advantage that
The high-power dry-type capacitor is placed on the environment with vibration by high-power dry-type capacitor of the present invention
Under, the piezoelectric energy transducing head senses extraneous vibration and itself is vibrated, and the piezoelectric energy transducing head can
It is converted to electric energy with the mechanical energy for generating itself vibration, and the electric energy is sent in the high-power dry-type capacitor, it will
Charge is stored in the high-power dry-type capacitor, so that saving energy is realized, the function that energy recycles.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of high-power dry-type capacitor described in the embodiment of the present invention；
Fig. 2 is the sectional view of capacitance core described in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of piezoelectric energy transducing head described in the embodiment of the present invention；
Fig. 4 is the front view of piezoelectric energy transducing head described in the embodiment of the present invention；
Fig. 5 is the front view of positive electrode plate described in the embodiment of the present invention；
Fig. 6 is the front view of negative electrode plate described in the embodiment of the present invention；
Fig. 7 is that positive and negative electrode panel vibration described in the embodiment of the present invention generates relative-movement state figure.
Description of symbols:
1- capacitor casing, 2- insulating layer, 3- flame-retardant layer, 4- binding post, 5- piezoelectric energy transducing head, 6- capacitance core,
7- film layer, 8- layer of metallized film, 51- outline border, 52- positive electrode plate, 53- negative electrode plate, 54- connection structure, 55- piezoelectricity item,
The first anchor point of 521-, the second anchor point of 531-, the first connection structure of 541-, the second connection structure of 542-, 551- the first piezoelectricity item,
552- the second piezoelectricity item.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In addition, all directions being previously mentioned in an embodiment of the present invention or positional relationship are that the position based on attached drawing is closed
It is " front and back up and down " coordinate system occurred in attached drawing, only for the purposes of understanding the present invention and simplified description, rather than implies
The specific orientation that signified device or element must have, is not considered as limiting the invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment one
Referring to figs. 1 and 2, Fig. 1 is the structural schematic diagram of high-power dry-type capacitor described in the embodiment of the present invention；
Fig. 2 is the sectional view of capacitance core described in the embodiment of the present invention.It is described big the invention discloses a kind of high-power dry-type capacitor
Power dry-type capacitor includes: capacitor casing 1, and the capacitor casing 1 is successively arranged flame-retardant layer 3 and insulating layer from outside to inside
2；The side of the capacitor casing 1 is arranged in binding post 4, the binding post 4；Capacitance core 6, the capacitance core 6 are arranged in institute
Stating capacitor can be in 1, and is coated and seal by the insulating layer 2；The capacitance core 6 includes multiple film layers 7 and metalized film
Layer 8, the film layer 7 are arranged with the layer of metallized film 8 interval；Piezoelectric energy transducing head 5, the piezoelectric energy transducing dress
It sets 5 to be fixedly connected in the capacitor casing 1, and is electrically connected with the binding post 4, the piezoelectric energy transducing head 5 is suitable
In converting electric energy for mechanical vibrational energy, and to the high-power dry-type capacitor charging.
The high-power dry-type capacitor is placed in the environment of there is vibration, the piezoelectric energy transducing head 5 incudes
To extraneous vibration, itself is vibrated, and the mechanical energy that the piezoelectric energy transducing head 5 can generate itself vibration turns
It is melted into electrical energy for storage, when the charge of storage is enough, stored charge can be transmitted to the high-power dry type electricity
In container, charge is stored in the high-power dry-type capacitor, so that saving energy is realized, the function that energy recycles
Energy.
Preferably, the film layer 7 is polypropylene film, and the layer of metallized film 8 is to be vaporized on 7 table of film layer
Face；The polypropylene film is due to there is puncture short in certain point existing defects and under overvoltage effect, and breakdown point
Metalization layer can instant melting evaporation under arcing formed very little without metal area, make two pole piece weights of capacitor
New mutually insulated and remain to work on.Using polypropylene film as medium, loss is small, and insulation resistance is high, greatly improves
The reliability of capacitor work, has excellent electrical characteristic, high stability and long-life, can satisfy a variety of different answer
With.
Preferably, the insulating layer 2 is epoxy resin layer, the flame-retardant layer 3 is fire retarding epoxide resin powder bed, the ring
The good insulating of oxygen resin can leak electricity to avoid the capacitance core 6, and the thermal conductivity of the epoxy resin is good, can incite somebody to action
Heat caused by the capacitance core 6 quickly passes, to prevent temperature excessively high.
Preferably, the binding post 4 is two, it is connected respectively by lead with the positive and negative anodes of the capacitance core 6.
Embodiment two
As shown in connection with fig. 3, Fig. 3 is the structural schematic diagram of piezoelectric energy transducing head described in the embodiment of the present invention.As above
The high-power dry-type capacitor, the present embodiment and above-described embodiment the difference is that, piezoelectric energy transducing dress
Setting 5 includes: positive electrode plate 52, and the positive electrode plate 52 is suitable for collecting positive charge；Negative electrode plate 53, the negative electrode plate 53 are suitable for
Collect negative electrical charge；Outline border 51, the outline border 51 are fixedly connected with the shell 1, the positive electrode plate 52 and the negative electrode plate
53 relative spacing a distances are set in the outline border 51；Connection structure 54, the positive electrode plate 52, negative electrode plate 53 and institute
Outline border 51 is stated to connect by the connection structure 54；Piezoelectricity item 55, the piezoelectricity item 55 include the first piezoelectricity item 551 and the second pressure
One end of electric item 552, the first piezoelectricity item 551 is connect with the positive electrode plate 52, and the other end is connect with the outline border 51；Institute
The one end for stating the second piezoelectricity item 552 is connect with the negative electrode plate 53, and the other end is connect with the outline border 51.
The connection structure 54 includes the first connection structure 541 and the second connection structure 542, first connection structure
541 one end is connected with the positive electrode plate 52, and the other end is connected with the outline border 51；The one of second bindiny mechanism 542
End is connected with the negative electrode plate 53, and the other end is connected with the outline border 51.
Wherein, the positive electrode plate 52 is fixed in the outline border 51 by first connection structure 52 vertically, and described
The negative electrode plate 53 is fixed in the outline border 51 by two connection structures 53 vertically, and the positive electrode plate 52 and the negative electricity
Pole plate 53 is arranged with respect to parallel interval a distance.
It is the outline border 51, the positive electrode plate 52, described when the piezoelectric energy transducing head 5 is in vibration environment
Negative electrode plate 53 vibrates, under the action of connection structure 54, the positive electrode plate 52, the negative electrode plate 53 with
Relative motion occurs between the outline border；The first piezoelectricity item 551 is connected to the outline border 51 and the positive electrode plate 52
Between, due to the relative motion between the positive electrode plate 52 and the outline border 51, the first piezoelectricity item 551 deformation occurs produce
Raw charge, and flow to the positive electrode plate 52；The second piezoelectricity item 552 is connected to the outline border 51 and the negative electrode plate 53
Between, due to the relative motion between the negative electrode plate 53 and the outline border 52, the second piezoelectricity item 552 deformation occurs produce
Raw charge, and flow to the negative electrode plate 53；The positive electrode plate 52, the negative electrode plate 53 respectively with the high-power dry type
Two binding posts 4 of capacitor are connected by conducting wire, and the charge being collected into is passed to the capacitance core 6 by the conducting wire
Positive and negative anodes on, realizing by mechanical shock can convert electrical energy for storage in the high-power dry-type capacitor.
The high-power dry-type capacitor is placed on the environment with vibration by high-power dry-type capacitor disclosed by the invention
In, the vibration mechanical energy in environment is converted electric energy by the piezoelectric energy energy converter, and for the high-power dry type electricity
Condenser charge realizes saving energy, the function of energy effective utilization.
Preferably, the connection structure 54 is elastic conductor structure, possess while with stronger elasticity higher
Conductivity, such as metal spring.
Preferably, the piezoelectricity item 55 is flexible piezoelectric material, biggish deformation can occur without being broken easily.
Embodiment three
In conjunction with shown in Fig. 3 to Fig. 7, Fig. 4 is the front view of piezoelectric energy transducing head described in the embodiment of the present invention；Fig. 5
For the front view of positive electrode plate described in the embodiment of the present invention；Fig. 6 is the front view of negative electrode plate described in the embodiment of the present invention；
Fig. 7 is that positive and negative electrode panel vibration described in the embodiment of the present invention generates relative-movement state figure.High-power dry type electricity as described above
Container, the present embodiment and above-described embodiment the difference is that, the first anchor point 521, institute are provided on the positive electrode plate 52
It states the first connection structure 541 and is connect with the positive electrode plate 52 by first anchor point 521；First anchor point 521 also wraps
Include a forward diode, the positive electrode plate 52 is connected with the anode of the forward diode, the first piezoelectricity item 551 with
The cathode of the forward diode is connected.
The second anchor point 531 is provided on the negative electrode plate 53, the second connection structure 542 passes through described with negative electrode plate 53
The connection of second anchor point 531；Second anchor point 531 further includes a negative sense diode, the negative electrode plate 53 and the negative sense
The cathode of diode is connected, and the second piezoelectricity item 552 is connected with the anode of the negative sense diode.
The first piezoelectricity item 551 is arranged close at least one side of first connection structure 541, but not phase each other
Even；The second piezoelectricity item 552 is arranged close at least one side of second connection structure 542, but is not attached to each other.
The quantity of first anchor point 521 is 4, and wherein one group of every two, the first anchor point 521 described in two groups are distributed respectively
At the left and right edges of the positive electrode plate 52；The quantity of the quantity of first connection structure 541 and first anchor point 521
It is identical, and one end of each first connection structure 541 is connected with corresponding first anchor point 521, the other end
It is connected with the left and right inner sidewall of the outline border 51.
The quantity of second anchor point 531 is 4, and wherein one group of every two, the second anchor point 531 described in two groups are distributed respectively
At the lower edges of the negative electrode plate 53；The quantity of the quantity of second connection structure 542 and second anchor point 531
It is identical, and one end of each second connection structure 542 is connected with corresponding second anchor point 531, the other end
It is connected with the inner sidewall up and down of the outline border 51.
Wherein, the anode of the forward diode is connected with the positive electrode plate 52, and cathode is connected with the first piezoelectricity item
551, the forward diode only allows positive charge to pass through, i.e., the described generated electricity when deformation occurs of first piezoelectricity item 551
Positive charge in lotus can just be entered in the positive electrode plate 52 by the forward diode to be collected；Two pole of negative sense
The anode of pipe is connected with the second piezoelectricity item 552, and cathode is connected with the negative electrode plate 53, and the negative sense diode only allows negative electricity
Lotus passes through, i.e., negative electrical charge of the described second piezoelectricity item 552 when deformation occurs in the charge of the generation just can be by described
Negative sense diode is entered in the negative electrode plate 53 and is collected；In this way, what is collected on the positive electrode plate 52 is all positive charge,
What is collected on the negative electrode plate 53 is all negative electrical charge, the positive electrode plate 52 and the opposite parallel interval one of the negative electrode plate 53
Section distance setting, has air as medium between the positive electrode plate 52 and the negative electrode plate 53, i.e., the described positive electrode plate 52,
The negative electrode plate 53, air form a capacitor, the electricity collection that the piezoelectricity item 55 generates can be stored, when
The electric energy of the piezoelectric energy transducing head storage is enough to be, can give the electric energy by wire transmission described high-power
Electric energy is stored in the high-power dry-type capacitor by dry-type capacitor, realizes the charging of the high-power dry-type capacitor.
The high-power dry-type capacitor is placed in the environment with vibration, the positive electrode plate 52, the negative electrode
Plate 53 is connect by conducting wire with two binding posts 4, and the charge being collected into is passed to the capacitor by the conducting wire
On the positive and negative anodes of core 6, realizes and convert electrical energy for storage in the high-power dry-type capacitor for mechanical vibrational energy.
The high-power dry-type capacitor is placed on the environment with vibration by high-power dry-type capacitor disclosed by the invention
In, the vibration mechanical energy in environment is converted electric energy by the piezoelectric energy energy converter, and for the high-power dry type electricity
Condenser charge realizes saving energy, the function of energy effective utilization.
Preferably, the quantity of first connection structure 541 is 4, wherein one group of every two, be respectively distributed to it is described just
At the left and right edges of electrode plate 52；The quantity of second connection structure 542 is 4, and wherein one group of every two, is respectively distributed to
At the lower edges of the negative electrode plate 53；Favorably the positive electrode plate 52 is fixed on vertically in the outline border 51, it is described negative
Electrode plate 53 is fixed on vertically in the outline border 51, and the positive electrode plate 52 and the opposite parallel interval one of the negative electrode plate 53
Section distance setting.
Meanwhile first connection structure 541 left and right settings on the positive electrode plate 52, second connection structure
542 is setting up and down on the negative electrode plate 53, and the positive electrode plate 52 is under the restraining function of first connection structure 541
Mainly side-to-side vibrations, the negative electrode plate 53 mainly vibration up and down under the action of the containing of second connection structure 542
It is dynamic, therefore the direction of relative motion between the positive electrode plate 52 and the negative electrode plate 53 is different, leads to the positive electrode plate
52 areas opposite with the negative electrode plate 53 reduce, then the electricity collected in the positive electrode plate 52 with the negative electrode plate 53
In the case that lotus amount is constant, the positive electrode plate 52 area opposite with the negative electrode plate 53 reduces meeting and enables the piezoelectricity
The output voltage for measuring energy converter increases, i.e., the described positive and negative charge can be shifted to the high-power dry-type capacitor faster, contracting
The short time charged to the high-power dry-type capacitor.
Preferably, the piezoelectricity item 55 is arranged close to the connection structure 54, the deformation of the piezoelectricity item 55 can be increased
Amount, and then increase the generation of charge, realize that more vibration mechanical energies are converted to electric energy.
Preferably, the first piezoelectricity item 551 is positioned only at the two sides of some first connection structure 541 incessantly,
The side of each first connection structure 541 can be provided with the first piezoelectricity item 551, the first piezoelectricity item
More than 551, electric energy can be converted by more vibration mechanical energies.
Preferably, the side of each second connection structure 542 is both provided with the second piezoelectricity item 552, it is described
Second piezoelectricity item more than 552 can convert electric energy for more vibration mechanical energies.
Preferably, the positive electrode plate 52 and the negative electrode plate 53 are the identical rectangular pole plate of size.
Example IV
Such as above-mentioned high-power dry-type capacitor, the present embodiment and above-described embodiment the difference is that, the positive electricity
The quantity of pole plate 52 be it is multiple, the quantity of the negative electrode plate 53 is multiple, the positive electrode plate 52 and the negative electrode plate 53
Staggeredly interval setting.
Multiple positive electrode plates 52 are drawn by a conducting wire, and multiple negative electrode plates 53 are drawn by a conducting wire
Out, it connect, charge is sent on the positive and negative electrode of the capacitance core 6 with two binding posts 4 respectively, realize and machinery shakes
Kinetic energy is converted into electrical energy for storage in the high-power dry-type capacitor.
The high-power dry-type capacitor is placed on the environment with vibration by high-power dry-type capacitor disclosed by the invention
In, the vibration mechanical energy in environment is converted electric energy by the piezoelectric energy energy converter, and for the high-power dry type electricity
Condenser charge realizes saving energy, the function of energy effective utilization.Multiple positive electrode plates 52 and multiple negative electrodes
The setting of plate 53 can collect more charges, improve the electrotransformation effect of vibration mechanical energy.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of high-power dry-type capacitor, which is characterized in that the high-power dry-type capacitor includes:
Capacitor casing (1), the capacitor casing (1) are successively arranged flame-retardant layer (3) and insulating layer (2) from outside to inside；
Binding post (4), side of binding post (4) setting in the capacitor casing (1)；
Capacitance core (6), the capacitance core (6) setting can be in (1) in the capacitor, and is coated by the insulating layer (2) close
Envelope；The capacitance core (6) includes multiple film layers (7) and layer of metallized film (8), the film layer (7) and the metalized film
The setting of layer (8) interval；
Piezoelectric energy transducing head (5), the piezoelectric energy transducing head (5) are fixedly connected on the capacitor casing (1),
And be electrically connected with the binding post (4), the piezoelectric energy transducing head (5) is suitable for converting electric energy for mechanical vibrational energy.
2. high-power dry-type capacitor as described in claim 1, which is characterized in that the film layer (7) is polypropylene film,
And the layer of metallized film (8) is to be vaporized on the film layer (7) surface.
3. high-power dry-type capacitor as described in claim 1, which is characterized in that the insulating layer (2) is epoxy resin layer,
The flame-retardant layer (3) is fire retarding epoxide resin powder bed.
4. high-power dry-type capacitor as described in claim 1, which is characterized in that piezoelectric energy transducing head (5) packet
It includes:
Positive electrode plate (52), the positive electrode plate (52) are suitable for collecting positive charge；
Negative electrode plate (53), the negative electrode plate (53) are suitable for collecting negative electrical charge；
Outline border (51), the outline border (51) are fixedly connected with the shell (1), the positive electrode plate (52) and the negative electrode plate
(53) relative spacing is set in the outline border (51)；
Connection structure (54), the positive electrode plate (52), the negative electrode plate (53) and the outline border (51) pass through the connection
Structure (54) connection；
Piezoelectricity item (55), the piezoelectricity item (55) include the first piezoelectricity item (551) and the second piezoelectricity item (552), first pressure
One end of electric item (551) is connect with the positive electrode plate (52), and the other end is connect with the outline border (51)；The second piezoelectricity item
(552) one end is connect with the negative electrode plate (53), and the other end is connect with the outline border (51).
5. high-power dry-type capacitor as claimed in claim 4, which is characterized in that the connection structure (54) includes the first company
Binding structure (541) and the second connection structure (542), one end and the positive electrode plate (52) of first connection structure (541)
It is connected, the other end is connected with the outline border (51)；One end of second bindiny mechanism (542) and the negative electrode plate (53) phase
Even, the other end is connected with the outline border (51).
6. high-power dry-type capacitor as claimed in claim 5, which is characterized in that be provided with the on the positive electrode plate (52)
One anchor point (521), first connection structure (541) are connect with the positive electrode plate (52) by first anchor point (521)；
First anchor point (521) further includes a forward diode, the positive electrode plate (52) and the forward diode
Anode is connected, and the first piezoelectricity item (551) is connected with the cathode of the forward diode.
7. high-power dry-type capacitor as claimed in claim 6, which is characterized in that be provided with the on the negative electrode plate (53)
Two anchor points (531), the second connection structure (542) are connect with negative electrode plate (53) by second anchor point (531)；
Second anchor point (531) further includes a negative sense diode, the negative electrode plate (53) and the negative sense diode
Cathode is connected, and the second piezoelectricity item (552) is connected with the anode of the negative sense diode.
8. high-power dry-type capacitor as claimed in claim 7, which is characterized in that the first piezoelectricity item (551) is close to institute
At least one side setting of the first connection structure (541) is stated, but is not attached to each other；
The second piezoelectricity item (552) is arranged close at least one side of second connection structure (542), but not phase each other
Even.
9. high-power dry-type capacitor as claimed in claim 8, which is characterized in that the quantity of first anchor point (521) is 4
A, wherein one group of every two, the first anchor point (521) described in two groups are respectively distributed to the left and right edges of the positive electrode plate (52)
Place；
The quantity of first connection structure (541) is identical as the quantity of first anchor point (521), and each described first
One end of connection structure (541) is connected with corresponding first anchor point (521), a left side for the other end and the outline border (51)
Right inner side wall is connected.
10. high-power dry-type capacitor as claimed in claim 8, which is characterized in that the quantity of second anchor point (531) is
4, wherein one group of every two, the second anchor point (531) described in two groups are respectively distributed to the lower edges of the negative electrode plate (53)
Place；
The quantity of second connection structure (542) is identical as the quantity of second anchor point (531), and each described second
One end of connection structure (542) is connected with corresponding second anchor point (531), and the other end is upper with the outline border (51)
Lower inner sidewall is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811162890.0A CN109285702A (en) | 2018-09-30 | 2018-09-30 | A kind of high-power dry-type capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811162890.0A CN109285702A (en) | 2018-09-30 | 2018-09-30 | A kind of high-power dry-type capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109285702A true CN109285702A (en) | 2019-01-29 |
Family
ID=65176929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811162890.0A Withdrawn CN109285702A (en) | 2018-09-30 | 2018-09-30 | A kind of high-power dry-type capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109285702A (en) |
-
2018
- 2018-09-30 CN CN201811162890.0A patent/CN109285702A/en not_active Withdrawn
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