CN105529476A - Technique for shortening activation time of thermal batteries - Google Patents
Technique for shortening activation time of thermal batteries Download PDFInfo
- Publication number
- CN105529476A CN105529476A CN201510886687.8A CN201510886687A CN105529476A CN 105529476 A CN105529476 A CN 105529476A CN 201510886687 A CN201510886687 A CN 201510886687A CN 105529476 A CN105529476 A CN 105529476A
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- China
- Prior art keywords
- electric igniter
- cell
- activation time
- thermal
- bar
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/30—Deferred-action cells
- H01M6/36—Deferred-action cells containing electrolyte and made operational by physical means, e.g. thermal cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/42—Grouping of primary cells into batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Primary Cells (AREA)
Abstract
The invention discloses a technique for shortening activation time of thermal batteries. An ignition strip on the periphery of a galvanic pile is turned upwards to the lower part of a mesopore asbestos pad; the ignition strip is directly burnt after an electric igniter is detonated; and heating substances in each single battery are ignited through the ignition strip from top to bottom, so that the thermal batteries are activated. According to the technique, traditional activation processes of detonating the electric igniter, igniting a heating plate, burning the ignition strip and finally igniting each single battery from top to bottom are changed into the processes of directly burning the ignition strip after detonating the electric igniter and then igniting each single battery from top to bottom, so that the activation time can be shortened by about 0.1-0.2 second; and the technique is simple in process, does not generate a redundant substance, and is of great significance in improvement of the activation time.
Description
Technical field
The invention belongs to thermal cell technical field, be specifically related to a kind of process shortening Activation Time of Thermal Battery.
Background technology
Thermal cell by the heating system of battery itself, nonconducting solid state salt electrolyte heating and melting is ionic conductor and enters a kind of hot activation reserve cell of operating state.The eutectic that the inner electrolyte of thermal cell is made up of two or more inorganic salts, during normal temperature, electrolyte is non-conductive solid; During use, to ignite inside battery electric igniter with extraneous electric current, thus light the heating material of inside battery, make internal temperature of battery increase rapidly, cause molten salt electrolyte to melt and conduct electricity, activated batteries, export electric energy.Use solid salt electrolyte is the principal character of thermal cell, and it is obviously different from the battery using aqueous electrolyte, organic bath and solid electrolyte.This makes thermal cell have, and period of storage is long, output current density large, specific energy is higher, serviceability temperature scope is wide, in features such as lay up period Maintenance free and maintenances, thus applied widely in the working power of various guided missile, torpedo and nuclear weapon.
The activationary time of thermal cell refers to the time experienced from the minimum voltage provided needed for activation signal to thermal cell output, and Modern weapon system all requires quick response, the feature that mobility is good, proposes high requirement to the activationary time of battery.The activation of thermal cell is generally experienced: provide activation signal (electric current), ignite electric igniter, the steps such as bar, the heatable substance that ignites in each cell are ignited in the heating plate that ignites, burning, when pile middle portion temperature reaches more than electrolytical fusing point, electrolyte melting forms ion conductor, can export electric energy by activated batteries.The load current when ambient temperature before the activationary time coactivation of battery, activation, the combustion of the bar that ignites fast, heating plate combustion speed, cell diameter, calorific value design etc. are relevant, but the instructions for use of these conditions generally with thermal cell is relevant with design, can not at will change, the activationary time therefore wanting to shorten further battery must take other design measure.
Summary of the invention
In order to solve the problem, the invention provides a kind of process shortening Activation Time of Thermal Battery, described thermal cell is the pile of multiple cell series and parallel composition, and described thermal cell comprises electric igniter, the bar that ignites, heatable substance, and the method comprises the following steps:
(1) ignite described electric igniter, ignite described in described electric igniter directly burns after igniting bar;
(2) heatable substance that the bar that ignites described in ignites in each cell from top to bottom;
(3) heatable substance in described each cell burns and then activates whole thermal cell.
Preferably, what ignite that electric igniter adopts in described step (1) is the mode of electro activation.
Preferably, the bar that ignites described in described step (2) turns over the position can burnt to igniter head ignition on pile periphery.
Compared with prior art, the present invention relates to a kind of process shortening Activation Time of Thermal Battery, to the bar that ignite of pile periphery turn over to mesopore asbestos pad bottom, by ignite electric igniter, the heating plate that ignites burn again ignite bar, finally to ignite the activation process of each cell in pile, change into and to ignite after electric igniter directly burning and to ignite bar, each cell of igniting in pile again, activationary time can be improved like this and be about 0.1s ~ 0.2s, this technique of improving one's methods is simple, can not fifth wheel be produced, significant to raising activationary time.
Accompanying drawing explanation
Fig. 1 is a kind of process method flow chart shortening Activation Time of Thermal Battery of the present invention;
The activation graph that Fig. 2 (a) is traditional structure;
Fig. 2 (b) is for adopting the activation graph after the present invention.
Embodiment
The element cell diameter 68mm that the embodiment of the present invention provides, total height 95mm, operating load 16A, low-temperature working temperature-45 DEG C, requires that activationary time is not more than 0.8s; Because the activationary time of battery requires high, working current density is comparatively large, and low-temperature working temperature is lower, in order to ensure that the activationary time of battery meets the demands, and the distribution design of the bar that need be undertaken igniting in pile by the inventive method; (a) is with described in Fig. 2 (b) as shown in Figure 1, Figure 2, the invention provides a kind of method shortening Activation Time of Thermal Battery, this thermal cell is the pile of multiple cell series and parallel composition, and described thermal cell comprises electric igniter 1, the bar 2 that ignites, heatable substance 3, and the method comprises the following steps:
(1) adopt the mode of electro activation to ignite electric igniter 1, electric igniter 1 is ignited rear direct burning and to be ignited bar 2;
(2) bar 2 that ignites ignites the heatable substance 3 in each cell from top to bottom;
(3) heatable substance 3 in each cell burns and then activates whole thermal cell.
Result of the test shows, and the battery produced according to this invention works under low temperature full load conditions, and activationary time is not more than 0.7s, and the battery not taking this inventive method to make discharges by identical condition, its activationary time 0.95s.
The present invention relates to a kind of process shortening Activation Time of Thermal Battery, to burn again the activation process of bar of igniting by traditional ignition electric igniter, the heating plate that ignites, change into the direct bar that ignites that burns after igniting electric igniter, activationary time can be improved like this and be about 0.1s ~ 0.2s, this technique of improving one's methods is simple, can not fifth wheel be produced, significant to raising activationary time.
The disclosed preferred embodiment of the present invention just sets forth the present invention for helping above.Preferred embodiment does not have all details of detailed descriptionthe, does not limit the embodiment that this invention is only described yet.Obviously, according to the content of this specification, can make many modifications and variations.This specification is chosen and is specifically described these embodiments, is to explain principle of the present invention and practical application better, thus makes art technical staff understand well and to utilize the present invention.The present invention is only subject to the restriction of claims and four corner and equivalent.
Claims (3)
1. one kind is shortened the process of Activation Time of Thermal Battery, described thermal cell is the pile of multiple cell series and parallel composition, described thermal cell comprises electric igniter, the bar that ignites, pile, heatable substance, and it is characterized in that, this process comprises the following steps:
(1) ignite described electric igniter, ignite described in described electric igniter directly burns after igniting bar;
(2) heatable substance that the bar that ignites described in ignites in each cell from top to bottom;
(3) heatable substance in described each cell burns and then activates whole thermal cell.
2. the as claimed in claim 1 process shortening Activation Time of Thermal Battery, is characterized in that, what ignite in described step (1) that electric igniter adopts is the mode of electro activation.
3. the process shortening Activation Time of Thermal Battery as claimed in claim 1, is characterized in that, the bar that ignites turns over and extend to the position can directly burnt after electric igniter is ignited in described step (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510886687.8A CN105529476A (en) | 2015-12-07 | 2015-12-07 | Technique for shortening activation time of thermal batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510886687.8A CN105529476A (en) | 2015-12-07 | 2015-12-07 | Technique for shortening activation time of thermal batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105529476A true CN105529476A (en) | 2016-04-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510886687.8A Pending CN105529476A (en) | 2015-12-07 | 2015-12-07 | Technique for shortening activation time of thermal batteries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105529476A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684402A (en) * | 2017-01-18 | 2017-05-17 | 沈阳理工大学 | Microminiature activating device for thermal batteries |
| CN106876737A (en) * | 2017-03-01 | 2017-06-20 | 北方特种能源集团有限公司西安庆华公司 | A kind of side insulation construction of fitted outside thermal cell |
| CN110783587A (en) * | 2019-10-25 | 2020-02-11 | 上海空间电源研究所 | Device for improving thermal battery activation loop reliability and thermal battery system |
| CN113322115A (en) * | 2021-05-27 | 2021-08-31 | 贵州梅岭电源有限公司 | Thermal battery composite ignition paper and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1348227A (en) * | 2000-06-05 | 2002-05-08 | 伊格尔－皮彻技术有限责任公司 | Thermal battery with improved performance |
| CN202373657U (en) * | 2011-12-19 | 2012-08-08 | 梅岭化工厂 | Internal ignition channel for thermal battery |
| CN202487704U (en) * | 2012-03-26 | 2012-10-10 | 中国电子科技集团公司第十八研究所 | High-reliability power supply thermal battery |
-
2015
- 2015-12-07 CN CN201510886687.8A patent/CN105529476A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1348227A (en) * | 2000-06-05 | 2002-05-08 | 伊格尔－皮彻技术有限责任公司 | Thermal battery with improved performance |
| CN202373657U (en) * | 2011-12-19 | 2012-08-08 | 梅岭化工厂 | Internal ignition channel for thermal battery |
| CN202487704U (en) * | 2012-03-26 | 2012-10-10 | 中国电子科技集团公司第十八研究所 | High-reliability power supply thermal battery |
Non-Patent Citations (1)
| Title |
|---|
| 王胜华: "热电池激活方式综述", 《探测与控制学报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684402A (en) * | 2017-01-18 | 2017-05-17 | 沈阳理工大学 | Microminiature activating device for thermal batteries |
| CN106684402B (en) * | 2017-01-18 | 2023-06-06 | 沈阳理工大学 | Micro thermal battery activating device |
| CN106876737A (en) * | 2017-03-01 | 2017-06-20 | 北方特种能源集团有限公司西安庆华公司 | A kind of side insulation construction of fitted outside thermal cell |
| CN110783587A (en) * | 2019-10-25 | 2020-02-11 | 上海空间电源研究所 | Device for improving thermal battery activation loop reliability and thermal battery system |
| CN113322115A (en) * | 2021-05-27 | 2021-08-31 | 贵州梅岭电源有限公司 | Thermal battery composite ignition paper and preparation method thereof |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160427 |
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| RJ01 | Rejection of invention patent application after publication |