CN202996955U - High-vacuum sodium injection interface for sodium-sulfur battery - Google Patents
High-vacuum sodium injection interface for sodium-sulfur battery Download PDFInfo
- Publication number
- CN202996955U CN202996955U CN2012206869676U CN201220686967U CN202996955U CN 202996955 U CN202996955 U CN 202996955U CN 2012206869676 U CN2012206869676 U CN 2012206869676U CN 201220686967 U CN201220686967 U CN 201220686967U CN 202996955 U CN202996955 U CN 202996955U
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- sodium
- negative cover
- positioning seals
- interface
- high vacuum
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a high-vacuum sodium injection interface for a sodium-sulfur battery. The high-vacuum sodium injection interface is capable of improving the sodium purity of a sodium storing tube in the sodium injection process. The interface comprises a negative cover, a positioning sealing element, an enhanced current collector and a seal socket, wherein the negative cover is fixed at an opening of a sodium storing tube, a one-stage stepped inner hole with a small bottom and a big top is formed in the center of the end surface of the negative cover, and a lower inner hole is a threaded hole; the outer contour of the positioning sealing element is shaped like a two-stage stepped cylinder with a big middle and small top and bottom, upper and lower cylinders are screws, the lower cylinder of the positioning sealing element is connected in the threaded hole of the negative cover, and the middle cylinder is located in an upper round hole of the cathode cover; the enhanced current connector is a round tube and is fixed in an inner hole of the positioning sealing element; the lower part of an inner cavity of the seal socket is provided with a threaded hole which is matched with the upper screw of the positioning sealing element; and after the sodium injection is accomplished, an enhanced current seal is mechanically sealed, and the seal socket is in a threaded connection with the positioning sealing element and is connected with the upper end surface of the negative cover.
Description
Technical field
The utility model relates to a kind of high vacuum for sodium-sulphur battery and annotates the sodium interface.
Background technology
Sodium sulphur (NaS) battery is the rechargeable battery that a kind of negative pole forms with ceramic alumina class material with sulphur, electrolyte with sodium, positive pole.It has that energy storage density is large, efficient is high, operating cost is low, safeguard be easier to, the advantage such as free from environmental pollution, long service life.
Be different from general sodium-sulphur battery negative pole in normal temperature protective gas environment and add the Liquid Sodium mode; the mode of the high vacuum notes sodium of sodium-sulphur battery can improve the purity of sodium in the process of annotating Liquid Sodium; and the degree that minimizes of the trickle bubble on the βAl2O3 ceramic vessel wall of applying ointment or plaster, thereby guarantee the running quality of sodium-sulphur battery.
At present, the mode of sodium-sulphur battery negative pole vacuum impregnating sodium is that the Chu Naguan with battery puts into vacuum chamber, after vacuum chamber integral body is vacuumized, by certain mechanical structure, Liquid Sodium is injected storage and receives pipe and sealing.Because the volume of vacuum tank is larger, the time that vacuumizes is longer, and vacuum effectiveness is also relatively poor.
Summary of the invention
The purpose of this utility model is in order to overcome the deficiencies in the prior art, provides a kind of high vacuum for sodium-sulphur battery to annotate the sodium interface, and it can improve the purity of Chu Naguan sodium in annotating the sodium process, thereby guarantees the running quality of sodium-sulphur battery.
The technical scheme that realizes above-mentioned purpose is: a kind of high vacuum for sodium-sulphur battery is annotated the sodium interface, comprise negative cover, positioning seals, enhancing collector and sealing sleeve, wherein, described negative cover is fixed on the oral area of Chu Naguan, the end face central authorities of this negative cover offer little large one-level step endoporus, and the bottom endoporus is screwed hole; The inner chamber of described positioning seals is circular hole, the outline of this positioning seals is the two-stage step cylinder that the middle part is large, the upper and lower part is little, and the upper and lower part cylinder is screw rod, the bottom screw rod of this positioning seals is connected in the screwed hole of described negative cover, and the middle part cylinder of this positioning seals is arranged in the top endoporus of described negative cover; Described enhancing collector is a pipe, and this enhancing collector following section is arranged in described storage and receives the mode of the inner chamber of pipe, upper surface that described positioning seals is exposed on top and be fixed on the endoporus of described positioning seals; The inner chamber bottom of described sealing sleeve is the screwed hole adaptive with the upper screw of described positioning seals; Externally annotate the equipment of receiving aim at the upper port of described enhancing collector annotate receive complete after, with the sealing of described enhancing collector machinery, described sealing sleeve is threaded on described positioning seals and with the upper surface of described negative cover and is connected.
The above-mentioned high vacuum that is used for sodium-sulphur battery is annotated the sodium interface, and wherein, the mode by laser welding between the upper surface of described sealing sleeve and described negative cover is connected.
The above-mentioned high vacuum that is used for sodium-sulphur battery is annotated the sodium interface, and wherein, the height of the middle part cylinder of described positioning seals is less than the height of the top endoporus of described negative cover.
The above-mentioned high vacuum that is used for sodium-sulphur battery is annotated the sodium interface, and wherein, described negative cover is made by stainless steel.
The above-mentioned high vacuum that is used for sodium-sulphur battery is annotated the sodium interface, and wherein, described enhancing collector adopts the red copper material to make.
High vacuum for sodium-sulphur battery of the present utility model is annotated the sodium interface, employing is offered a through hole and increases a positioning seals and strengthen collector in this through hole in the central authorities of negative pole end cap, configure again a sealing sleeve, it can improve the purity of Chu Naguan sodium in annotating the sodium process, and make Chu Naguan can keep the sealing state of 15 years, thereby guarantee the running quality of sodium-sulphur battery.
Description of drawings
Fig. 1 is the structural representation of annotating the sodium interface for the high vacuum of sodium-sulphur battery of the present utility model.
Embodiment
In order to understand the technical solution of the utility model better, also be elaborated by reference to the accompanying drawings below by specific embodiment:
See also Fig. 1, the high vacuum for sodium-sulphur battery of the present utility model is annotated the sodium interface, and comprise negative cover 1, positioning seals 2, strengthen collector 3 and sealing sleeve 4, wherein,
Negative cover 1 is made and is fixed on storage and receives pipe 5 oral area by stainless steel, the end face central authorities of this negative cover 1 offer little large one-level step endoporus, and the bottom endoporus is screwed hole;
The inner chamber of positioning seals 2 is circular hole, the outline of this positioning seals 2 is the two-stage step cylinder that the middle part is large, the upper and lower part is little, and the upper and lower part cylinder is screw rod, the bottom screw rod of this positioning seals is connected in the screwed hole of negative cover 1, and the middle part cylinder of this positioning seals is arranged in the top endoporus of negative cover 1; The height of the middle part cylinder of this positioning seals 2 is less than the height of the top endoporus of negative cover 1;
Strengthen the pipe that collector 3 is made by the red copper material, this enhancings collector 3 following section is arranged in to store up to receive manages 5 inner chamber, top and exposes the endoporus that the mode of the upper surface of positioning seals 2 is fixed on positioning seals 2;
The inner chamber bottom of sealing sleeve 4 is the screwed hole adaptive with the upper screw of positioning seals 2, the bottom wall thickness of this sealing sleeve 4 deducts the diameter of the upper screw of positioning seals 4 greater than the diameter for the top circular hole of negative cover 1, making between the upper surface of the lower surface of sealing sleeve 4 and negative cover 1 has enough contact-making surfaces.
Externally annotate the equipment of receiving aim at the upper port that strengthens collector 3 and be enclosed within annotate on positioning seals 2 receive complete after, to strengthen collector 3 machinery sealings, or sealing manually, again sealing sleeve 4 is threaded on positioning seals 2 and with the contact-making surface laser welded seam of sealing sleeve 4 with negative cover 1, with guarantee high vacuum annotate sodium and complete after atmosphere enter storage and receive pipe 5 and cause secondary pollution, at last after the contact-making surface laser welded seam with sealing sleeve 4 and negative cover 1, storage is received pipe 5 and can be kept the sealing state of 15 years.
High vacuum for sodium-sulphur battery of the present utility model is annotated the sodium interface, aim at the upper port that strengthens collector 3 and annotate when receiving externally annotating the equipment of receiving, the endoporus that strengthens collector 3 can be realized vacuumizing and the course of work of annotating sodium to quasiconcentric with the output interface of annotating sodium equipment.
When the output interface of annotating sodium equipment is spill or convex, as long as corresponding convex or spill are processed in the interface section of positioning seals 2.
After adopting the high vacuum for sodium-sulphur battery of the present utility model to annotate the sodium interface, stainless steel negative cover 1 and stainless storage are received pipe 5 and just can be welded as a whole before heat pressing process, then by the hot pressing one-shot forming, stop leakage in the roof after moulding.Save like this one laser welding process, also simplified the production technology of this section, accomplish to carry the high-quality cost of also saving simultaneously.
Those of ordinary skill in the art will be appreciated that, above embodiment illustrates the utility model, and be not to be used as restriction of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (5)
1. a high vacuum that is used for sodium-sulphur battery is annotated the sodium interface, comprises negative cover, positioning seals, enhancing collector and sealing sleeve, it is characterized in that,
Described negative cover is fixed on the oral area of Chu Naguan, and the end face central authorities of this negative cover offer little large one-level step endoporus, and the bottom endoporus is screwed hole;
The inner chamber of described positioning seals is circular hole, the outline of this positioning seals is the two-stage step cylinder that the middle part is large, the upper and lower part is little, and the upper and lower part cylinder is screw rod, the bottom screw rod of this positioning seals is connected in the screwed hole of described negative cover, and the middle part cylinder of this positioning seals is arranged in the top endoporus of described negative cover;
Described enhancing collector is a pipe, and this enhancing collector following section is arranged in described storage and receives the mode of the inner chamber of pipe, upper surface that described positioning seals is exposed on top and be fixed on the endoporus of described positioning seals;
The inner chamber bottom of described sealing sleeve is the screwed hole adaptive with the upper screw of described positioning seals;
Externally annotate the equipment of receiving aim at the upper port of described enhancing collector annotate receive complete after, with the sealing of described enhancing collector machinery, described sealing sleeve is threaded on described positioning seals and with the upper surface of described negative cover and is connected.
2. the high vacuum for sodium-sulphur battery according to claim 1 is annotated the sodium interface, it is characterized in that, the mode by laser welding between the upper surface of described sealing sleeve and described negative cover is connected.
3. the high vacuum for sodium-sulphur battery according to claim 1 is annotated the sodium interface, it is characterized in that, the height of the middle part cylinder of described positioning seals is less than the height of the top endoporus of described negative cover.
4. the high vacuum for sodium-sulphur battery according to claim 1 is annotated the sodium interface, it is characterized in that, described negative cover is made by stainless steel.
5. the high vacuum for sodium-sulphur battery according to claim 1 is annotated the sodium interface, it is characterized in that, described enhancing collector adopts the red copper material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206869676U CN202996955U (en) | 2012-12-12 | 2012-12-12 | High-vacuum sodium injection interface for sodium-sulfur battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206869676U CN202996955U (en) | 2012-12-12 | 2012-12-12 | High-vacuum sodium injection interface for sodium-sulfur battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202996955U true CN202996955U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206869676U Expired - Lifetime CN202996955U (en) | 2012-12-12 | 2012-12-12 | High-vacuum sodium injection interface for sodium-sulfur battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202996955U (en) |
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2012
- 2012-12-12 CN CN2012206869676U patent/CN202996955U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200904 Address after: Room 1201, no.1346 Gonghe Xin Road, Jing'an District, Shanghai 200070 Patentee after: Shanghai Electric Enterprise Development Co.,Ltd. Address before: 201815 Shanghai Jiading District City Jia Zhu Road No. 1997 Patentee before: SHANGHAI ELECTRIC SODIUM SULFUR ENERGY STORAGE TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |