CN211907261U - Ultrahigh-voltage long-life capacitor core, capacitor, charging module and charging pile - Google Patents

Ultrahigh-voltage long-life capacitor core, capacitor, charging module and charging pile Download PDF

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Publication number
CN211907261U
CN211907261U CN201922133922.0U CN201922133922U CN211907261U CN 211907261 U CN211907261 U CN 211907261U CN 201922133922 U CN201922133922 U CN 201922133922U CN 211907261 U CN211907261 U CN 211907261U
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capacitor
condenser
paper layer
electrolytic paper
voltage
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张楠
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Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Xinyuan Electronics Co Ltd
Gree Nanjing Xinyuan Electronics Co Ltd
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Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Xinyuan Electronics Co Ltd
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Abstract

Superhigh pressure long-life capacitor core, condenser, the module of charging, fill electric pile relate to and fill electric pile technical field, and this superhigh pressure long-life capacitor core includes electrolytic paper layer, be provided with positive pole aluminium foil and negative pole aluminium foil in the electrolytic paper layer, positive pole aluminium foil with the negative pole aluminium foil is fixed with the guide pin respectively, electrolytic paper layer's density is 0.7 ~ 0.8g/cm 3. The utility model discloses a reasonable density of the electrolytic paper layer in the design capacitor core, and make electrolytic paper layer's density keep at 0.7 ~ 0.8g/cm3, not only make the compressive capacity of condenser obtain the promotion, still make the condenser have good loss angle and low equivalent series resistance simultaneously, thereby be favorable to improving the voltage of condenser, and then be favorable to filling the power promotion of electric pile, the early inefficacy of the module of charging that the electric wire netting voltage fluctuation caused can also be reduced simultaneously, be favorable to increasing the life of condenser.

Description

Ultrahigh-voltage long-life capacitor core, capacitor, charging module and charging pile
Technical Field
The utility model relates to a fill electric pile technical field, especially relate to superhigh pressure long-life condenser core, condenser, the module of charging, fill electric pile.
Background
The lead-type aluminum electrolytic capacitor is used as a common device on an electronic circuit and plays electric roles of filtering, bypassing, coupling, decoupling, phase inversion and the like, the voltage section of a conventional high-voltage product is generally more than 400V-450V, but certain limitation exists in the actual use process, for example, the high-voltage aluminum electrolytic capacitor used on a charging module in the field of charging piles, if the voltage of the used high-voltage aluminum electrolytic capacitor is between 400V-450V, the power of the charging pile is generally lower, the charging pile is not beneficial to work, and the voltage of the high-voltage aluminum electrolytic capacitor needs to be increased in order to increase the power of the charging pile.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an one of the purposes lies in avoiding the weak point among the prior art and providing superhigh pressure long-life capacitor core, and this superhigh pressure long-life capacitor core can increase the voltage of condenser to increase the power of filling electric pile, the early inefficacy of the module of charging that can also reduce the electric wire netting voltage fluctuation simultaneously and cause is favorable to increasing the life of condenser.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides an superhigh pressure long-life capacitor core, including the electrolytic paper layer, be provided with positive pole aluminium foil and negative pole aluminium foil in the electrolytic paper layer, the positive pole aluminium foil with the negative pole aluminium foil is fixed with the guide pin respectively, the density on electrolytic paper layer is 0.7 ~ 0.8g/cm 3. Through the density of the electrolytic paper layer in the reasonable design capacitor core, and make the density of electrolytic paper layer keep at 0.7 ~ 0.8g/cm3, not only make the withstand voltage ability of condenser obtain promoting, still make the condenser have good loss angle and low equivalent series resistance simultaneously, thereby be favorable to improving the voltage of condenser, and then be favorable to filling the power promotion of electric pile, the early inefficacy of the module that charges that the electric wire netting voltage fluctuation caused can also be reduced simultaneously, be favorable to increasing the life of condenser.
Further, the thickness of the electrolytic paper layer is 30-40 μm. By reasonably designing the thickness of the electrolytic paper layer and keeping the thickness of the electrolytic paper layer at 30-40 mu m, the voltage resistance of the capacitor can be improved, and the volume of the capacitor can be reduced as much as possible under the condition that the capacitor has a good loss angle and low equivalent series resistance. Meanwhile, as the electrolytic paper layer, an electrolytic paper layer composed of a plurality of layers of electrolytic paper is preferably adopted, wherein the electrolytic paper layer with four layers is the best effect, and the electrolytic paper is preferably selected from the electrolytic paper compounded by a plurality of fibers including wood pulp.
Furthermore, the anode aluminum foil is an anode aluminum foil which is converted into voltage above 780 VF. The anode aluminum foil with the voltage of over 780VF is adopted, so that the performance of the capacitor can be more stable under the long-term use condition, and the service life of the capacitor is prolonged.
Furthermore, the cathode aluminum foil is a cathode aluminum foil with a voltage of more than 3 VF. The cathode aluminum foil with the voltage of more than 3VF is adopted as the cathode aluminum foil and can be matched with the anode aluminum foil with the voltage of more than 780VF, so that the performance of the capacitor is more stable under the long-term use condition, and the service life of the capacitor is prolonged.
Further, the guide pin is a guide pin with formation voltage of more than 600V. The guide pin that the guide pin adopts the formation voltage more than 600V can reduce the calorific capacity in the condenser in-service use, is favorable to improving the reliability of condenser to increase the life of condenser.
The utility model has the advantages that: the utility model discloses an superhigh pressure long-life capacitor core, including the electrolytic paper layer, be provided with positive pole aluminium foil and negative pole aluminium foil in the electrolytic paper layer, the positive pole aluminium foil with the negative pole aluminium foil is fixed with the guide pin respectively, the density of electrolytic paper layer is 0.7 ~ 0.8g/cm 3. The utility model discloses a reasonable density of the electrolytic paper layer in the design capacitor core, and make electrolytic paper layer's density keep at 0.7 ~ 0.8g/cm3, not only make the compressive capacity of condenser obtain the promotion, still make the condenser have good loss angle and low equivalent series resistance simultaneously, thereby be favorable to improving the voltage of condenser, and then be favorable to filling the power promotion of electric pile, the early inefficacy of the module of charging that the electric wire netting voltage fluctuation caused can also be reduced simultaneously, be favorable to increasing the life of condenser.
The utility model discloses a second of purpose lies in avoiding the weak point among the prior art and provides the condenser, this condenser uses foretell superhigh pressure long-life capacitor core, because the density through the electrolytic paper layer in the reasonable design capacitor core, and make electrolytic paper layer's density keep at 0.7 ~ 0.8g/cm3, not only make the compressive capacity of condenser obtain promoting, still make the condenser have good loss angle and low equivalent series resistance simultaneously, thereby be favorable to improving the voltage of condenser, and then be favorable to filling the power promotion of electric pile, the early inefficacy of the module of charging that the electric wire netting voltage fluctuation caused can also be reduced simultaneously, be favorable to increasing the life of condenser.
Further, the electrolytic paper layer is sleeved in the sleeve, the guide pin extends out of the sleeve from the inner side of the sleeve, an aluminum shell is arranged on the inner side wall of the sleeve, electrolyte is arranged in the sleeve, and a sealing rubber plug is arranged at the pipe orifice of the sleeve. The electrolytic paper layer cover is established at the cover intraductally, and the guide pin is extended to the cover by the intraductal cover outside, and the sheathed tube inside wall is provided with the aluminum hull, places electrolyte in the sleeve pipe, thereby the sheathed tube mouth of pipe is provided with sealed plug and seals and constitute the condenser, and wherein the sleeve pipe has played insulating effect, can also prevent aluminum hull short circuit and production static simultaneously to increase the life of condenser. The electrolyte is generally selected from a nano-grade material, and the long carbon chain branched chain organic ammonium salt is beneficial to improving the performance and reliability of the capacitor, and ensuring the product quality and service life.
Furthermore, the sealing rubber plug is made of ethylene propylene diene monomer rubber and butyl rubber, wherein the mass ratio of the butyl rubber is more than 28%. The sealing rubber plug is made of ethylene propylene diene monomer rubber and butyl rubber, wherein when the mass ratio of the butyl rubber is more than 28%, the reliability of the capacitor can be improved, and the service life of the capacitor is prolonged.
The utility model discloses a three weak points of aim at avoiding among the prior art and provide the module of charging, the module of should charging uses foretell condenser, because the density through the electrolytic paper layer in the reasonable design condenser core, and make electrolytic paper layer's density keep at 0.7 ~ 0.8g/cm3, not only make the compressive capacity of condenser obtain promoting, still make the condenser have good loss angle and low equivalent series resistance simultaneously, thereby be favorable to improving the voltage of condenser, and then be favorable to filling the power promotion of electric pile, the early inefficacy of the module of charging that the electric wire netting voltage fluctuation caused can also be reduced simultaneously, be favorable to increasing the life of condenser.
The utility model discloses a fourth of the purpose lies in avoiding the weak point among the prior art and provides and fills electric pile, this fills electric pile and uses foretell module of charging, because the density through the electrolytic paper layer in the reasonable design capacitor core, and make electrolytic paper layer's density keep at 0.7 ~ 0.8g/cm3, not only make the compressive capacity of condenser obtain promoting, still make the condenser have good loss angle and low equivalent series resistance simultaneously, thereby be favorable to improving the voltage of condenser, and then be favorable to filling electric pile's power promotion, the early inefficacy of the module of charging that the electric wire netting voltage fluctuation caused can also be reduced simultaneously, be favorable to increasing the life of condenser.
Drawings
The invention is further described with the aid of the accompanying drawings, in which, however, the embodiments do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived from the following drawings without inventive effort.
Fig. 1 is a half sectional view of the whole structure of the ultra-high voltage long-life capacitor core of the present invention.
Fig. 2 is a sectional view of the entire structure of the capacitor of the present invention.
The figure includes:
the device comprises an electrolytic paper layer 1, an anode aluminum foil 2, a cathode aluminum foil 3, a guide pin 4, a sleeve 5, an aluminum shell 6 and a sealing rubber plug 7.
Detailed Description
The invention will be further described with reference to the following examples.
Example 1
The ultra-high voltage long-life capacitor core of the embodiment is shown in fig. 1 and comprises an electrolyte paper layer 1, wherein an anode aluminum foil 2 and a cathode aluminum foil 3 are arranged in the electrolyte paper layer 1, the anode aluminum foil 2 and the cathode aluminum foil 3 are respectively fixed with a guide pin 4, and the density of the electrolyte paper layer 1 is 0.7-0.8 g/cm 3. Through the density of the electrolytic paper layer 1 in the reasonable design capacitor core, and make the density of electrolytic paper layer 1 keep at 0.7 ~ 0.8g/cm3, not only make the withstand voltage ability of condenser obtain promoting, still make the condenser have good loss angle and low equivalent series resistance simultaneously, thereby be favorable to improving the voltage of condenser, and then be favorable to filling the power promotion of electric pile, the early inefficacy of the module of charging that the electric wire netting voltage fluctuation caused can also be reduced simultaneously, be favorable to increasing the life of condenser.
The thickness of the electrolytic paper layer 1 is 30-40 mu m. By reasonably designing the thickness of the electrolytic paper layer 1 and keeping the thickness of the electrolytic paper layer 1 within 30-40 mu m, the voltage resistance of the capacitor can be improved, and the volume of the capacitor can be reduced as much as possible under the condition that the capacitor has a good loss angle and low equivalent series resistance. Meanwhile, as the electrolytic paper layer 1, it is preferable to use the electrolytic paper layer 1 composed of a plurality of layers of electrolytic paper, wherein the electrolytic paper layer 1 composed of four layers is most effective, and the electrolytic paper is preferably selected from the electrolytic paper compounded by a plurality of fibers including wood pulp.
The anode aluminum foil 2 is an anode aluminum foil with formation voltage above 780 VF. The anode aluminum foil 2 is formed into an anode aluminum foil with voltage above 780VF, so that the performance of the capacitor is more stable under the long-term use condition, and the service life of the capacitor is prolonged.
The cathode aluminum foil 3 is a cathode aluminum foil with a formation voltage of more than 3 VF. The cathode aluminum foil 3 adopts the cathode aluminum foil with the formation voltage of more than 3VF and can be matched with the anode aluminum foil with the formation voltage of more than 780VF, so that the performance of the capacitor is more stable under the long-term use condition, and the service life of the capacitor is prolonged.
The guide pin 4 is a guide pin with formation voltage of more than 600V. The guide pin 4 adopts the guide pin with the formation voltage of more than 600V, can reduce the calorific capacity of the capacitor in the actual use process, is favorable for improving the reliability of the capacitor, and thus prolongs the service life of the capacitor.
Example 2
The capacitor of this embodiment, as shown in fig. 2, this capacitor uses the extra-high voltage long-life capacitor core described in embodiment 1, because the density of the electrolytic paper layer 1 in the capacitor core is designed reasonably, and the density of the electrolytic paper layer 1 is kept at 0.7-0.8 g/cm3, not only the voltage endurance of the capacitor is improved, but also the capacitor has good loss angle and low equivalent series resistance, thereby being beneficial to improving the voltage of the capacitor, and further being beneficial to improving the power of the charging pile, and simultaneously being capable of reducing the early failure of the charging module caused by the fluctuation of the voltage of the power grid, and being beneficial to prolonging the service life of the capacitor.
The electrolytic paper layer 1 is sleeved in the sleeve 5, the guide pin 4 extends into the sleeve 5 to the outside of the sleeve 5, the inner side wall of the sleeve 5 is provided with an aluminum shell 6, electrolyte is arranged in the sleeve 5, and the pipe orifice of the sleeve 5 is provided with a sealing rubber plug 7. The 1 cover of electrolytic paper layer is established in sleeve 5, and guide pin 4 extends to outside sleeve 5 by sleeve 5 is interior, and the inside wall of sleeve 5 is provided with aluminium shell 6, places electrolyte in the sleeve 5, thereby the mouth of pipe of sleeve 5 is provided with sealing rubber stopper 7 and seals and constitute the condenser, and wherein sleeve 5 has played insulating effect, can also prevent 6 short circuits of aluminium shell and production static simultaneously to increase the life of condenser. The electrolyte is generally selected from a nano-grade material, and the long carbon chain branched chain organic ammonium salt is beneficial to improving the performance and reliability of the capacitor, and ensuring the product quality and service life.
The sealing rubber plug 7 is made of ethylene propylene diene monomer rubber and butyl rubber, wherein the mass ratio of the butyl rubber is more than 28%. The sealing rubber plug 7 is made of ethylene propylene diene monomer rubber and butyl rubber, wherein when the mass ratio of the butyl rubber is more than 28%, the reliability of the capacitor can be improved, and the service life of the capacitor is prolonged.
The manufacturing process of the capacitor of the present embodiment needs to be noted as follows: after 6 beam waist to the aluminium casing is accomplished, need to inspect the shrink condition of sleeve pipe 5, confirm qualified rear and can carry out follow-up step, simultaneously behind the condenser sleeve pipe, need carry out aging process to the condenser, the condenser preparation of this embodiment after accomplish direct mount on the module of charging of filling electric pile can. For the capacitor of this embodiment, the voltage of the capacitor is raised from 450V to 550V.
Example 3
This embodiment provides the module of charging, this module of charging uses embodiment 2 the condenser, because through the density of the electrolytic paper layer 1 in the reasonable design condenser core, and make the density of electrolytic paper layer 1 keep at 0.7 ~ 0.8g/cm3, not only make the pressure-resisting capability of condenser obtain promoting, still make the condenser have good angle of loss and low equivalent series resistance simultaneously, thereby be favorable to improving the voltage of condenser, and then be favorable to filling the power promotion of stake, the early failure of the module of charging that the electric wire netting voltage fluctuation caused can also be reduced simultaneously, be favorable to increasing the life of condenser.
Example 4
This embodiment provides and fills electric pile, this fill electric pile uses embodiment 3 the module that charges, because through the density of the electrolytic paper layer 1 in the reasonable design condenser core, and make the density of electrolytic paper layer 1 keep at 0.7 ~ 0.8g/cm3, not only make the pressure-resisting capability of condenser obtain promoting, still make the condenser have good angle of loss and low equivalent series resistance simultaneously, thereby be favorable to improving the voltage of condenser, and then be favorable to filling electric pile's power promotion, the early inefficacy of the module that charges that the electric wire netting voltage fluctuation caused can also be reduced simultaneously, be favorable to increasing the life of condenser.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims (8)

1. Superhigh pressure long-life capacitor core, including the electrolyte ply, be provided with positive pole aluminium foil and negative pole aluminium foil in the electrolyte ply, positive pole aluminium foil with the negative pole aluminium foil is fixed with guide pin, its characterized in that respectively: the density of the electrolytic paper layer is 0.7-0.8 g/cm3, and the anode aluminum foil is an anode aluminum foil with a formation voltage of above 780 VF.
2. The ultra-high voltage long life capacitor cartridge of claim 1 wherein: the thickness of the electrolytic paper layer is 30-40 mu m.
3. The ultra-high voltage long life capacitor cartridge of claim 1 wherein: the cathode aluminum foil is a cathode aluminum foil with a formation voltage of more than 3 VF.
4. The ultra-high voltage long life capacitor cartridge of claim 1 wherein: the guide pin is a guide pin with formation voltage of more than 600V.
5. A capacitor, characterized by: comprising an ultra-high voltage long life capacitor core as claimed in any one of claims 1 to 4.
6. The capacitor of claim 5, wherein: the electrolytic paper layer is sleeved in the sleeve, the guide pin extends out of the sleeve from the inside of the sleeve, an aluminum shell is arranged on the inner side wall of the sleeve, electrolyte is arranged in the sleeve, and a sealing rubber plug is arranged at the pipe orifice of the sleeve.
7. The module that charges, its characterized in that: comprising the capacitor of claim 6.
8. Fill electric pile, its characterized in that: comprising the charging module of claim 7.
CN201922133922.0U 2019-12-03 2019-12-03 Ultrahigh-voltage long-life capacitor core, capacitor, charging module and charging pile Active CN211907261U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110867323A (en) * 2019-12-03 2020-03-06 珠海格力新元电子有限公司 Ultrahigh-voltage long-life capacitor core, capacitor, charging module and charging pile
CN114823148A (en) * 2022-03-15 2022-07-29 珠海格力新元电子有限公司 Capacitor core and aluminum electrolytic capacitor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110867323A (en) * 2019-12-03 2020-03-06 珠海格力新元电子有限公司 Ultrahigh-voltage long-life capacitor core, capacitor, charging module and charging pile
CN114823148A (en) * 2022-03-15 2022-07-29 珠海格力新元电子有限公司 Capacitor core and aluminum electrolytic capacitor

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Effective date of registration: 20201214

Address after: No. 8, East Longshan 2nd Road, Longshan Industrial Zone, Doumen Town, Doumen District, Zhuhai City, Guangdong Province

Patentee after: ZHUHAI GREE XINYUAN ELECTRONICS Co.,Ltd.

Patentee after: GREE ELECTRIC APPLIANCES,Inc.OF ZHUHAI

Patentee after: Gree Xinyuan Electronics (Nanjing) Co.,Ltd.

Address before: No. 8, East Longshan 2nd Road, Longshan Industrial Zone, Doumen Town, Doumen District, Zhuhai City, Guangdong Province

Patentee before: ZHUHAI GREE XINYUAN ELECTRONICS Co.,Ltd.

Patentee before: GREE ELECTRIC APPLIANCES,Inc.OF ZHUHAI

TR01 Transfer of patent right