CN105758546A - Fully-sealed hydrogen-nickel battery electrolyte internal temperature measurement method - Google Patents
Fully-sealed hydrogen-nickel battery electrolyte internal temperature measurement method Download PDFInfo
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- CN105758546A CN105758546A CN201410803761.0A CN201410803761A CN105758546A CN 105758546 A CN105758546 A CN 105758546A CN 201410803761 A CN201410803761 A CN 201410803761A CN 105758546 A CN105758546 A CN 105758546A
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Abstract
The invention relates to a fully-sealed hydrogen-nickel battery electrolyte internal temperature measurement method and belongs to the hydrogen-nickel battery technical field. According to the fully-sealed hydrogen-nickel battery electrolyte internal temperature measurement method, with one end of a battery adopted as a battery normal charge and discharge electrode, and the other end of the battery adopted as a battery internal temperature measurement end, battery internal temperature measurement is carried out under different working conditions; the battery internal temperature measurement end is of a multi-polar column hole shell cover structure, each measurement point uses a polar column hole, all temperature measurement resistors share one temperature measurement pool, and another temperature measurement end is installed on a different measurement point polar column. The method of the invention has the advantages of convenient operation and accurate data. With the method adopted, real measurement of the internal temperature of the battery can be authentically measured, thermal distribution of the battery in a working state can be authentically reflected, and therefore, the reliability and safety of the battery can be improved.
Description
Technical field
The invention belongs to Ni-H cell technical field, particularly relate to a kind of electro-hydraulic inside temperature measurement method of hermetically sealed Ni-H cell.
Background technology
At present, the caloric value of Ni-H cell is made up of with the hot two parts of Entropy Changes the heat that polarizes.Polarization heat is heat release when charge or discharge, and the Entropy Changes of primary response heat is absorbed heat when charging, heat release during electric discharge.Ni-H cell is due to later stage positive pole generation analysis oxygen side reaction in charging, and the Entropy Changes heat of oxygen and hydrogen compound is heat release.Therefore, charging early stage Entropy Changes heat is more than polarization heat, and battery is lowered the temperature；Charging middle and late stage hydrogen oxygen recombination caloric value is relatively big, causes battery temperature to raise.In discharge process, polarization heat and Entropy Changes heat are heat release, and battery temperature constantly raises.
High temperature accelerates battery pole plates and expands, reduce battery cycle life, design requires improve the battery power of resistance to large current density, reduce battery polarization, reduce battery-heating amount, so carrying out internal temperature of battery measurement, it is possible to verify that the reasonability of current thermal design and the improvement of thermal design provide data support.
Owing to belonging to strong alkali environment inside Ni-H cell, a reaction electrode of battery is hydrogen, and sealing requirements is high, it is desirable to measuring resistance is alkaline-resisting for a long time, and will not cause internal short-circuit of battery, does not affect battery sealing-performance.
Through retrieval, prior art adopts analogue battery equipment to carry out temperature survey, and this measuring method can repeatedly use, less costly, weak point be can not simulated battery heat dissipation environment completely, measurement can produce the problems such as certain error.
Summary of the invention
The present invention solves that the technical problem existed in known technology provides a kind of electro-hydraulic inside temperature measurement method of hermetically sealed Ni-H cell.
It is an object of the invention to provide one and have easy to operate, data are accurate, actual battery measures internal temperature of battery, it is possible to heat distribution under real reaction cell duty, and then the electro-hydraulic inside temperature measurement method of hermetically sealed Ni-H cell of the feature such as the reliability of raising battery and safety.
The concrete grammar of the present invention is that the other end of battery measures end as internal temperature of battery as battery normal discharge and recharge electrode using one end of battery, carries out temperature survey under different operating modes.
Internal temperature of battery is measured end and is adopted the design of multipole post holes cap, and the difference according to measuring point chooses n+1 pole column hole, and in design, all of temperature detecting resistance shares a thermometric ground, and another one thermometric end is arranged on n different poles.
Temperature detecting resistance is selected through the thermometric constantan-made resistances of long-term alkali resistance test, this resistance advantage be alkaline-resisting, the little measurement of volume accurate, shortcoming is that multistage measurement error is big, adopts and measures temperature-compensating mode under different temperatures and be calculated compensating, makes up measurement error.
The numerical value that temperature detecting resistance is measured when with or without electrolyte can bring a location survey error, measures temperature detecting resistance resistance, calculate and compensate, make up measurement error before and after filling electrolyte under different temperatures.
Temperature detecting resistance is arranged on inside battery pole group, in order to not affect inside battery pole group pressure and pole group height, prevent internal short-circuit of battery, by insulation processing after temperature detecting resistance welding lead, and little hollowing out of during installation, being tried one's best in the relevant position of battery pole plates.
The electro-hydraulic inside temperature measurement method of the hermetically sealed Ni-H cell of the present invention is adopted the technical scheme that:
A kind of electro-hydraulic inside temperature measurement method of hermetically sealed Ni-H cell, it is characterized in: the electro-hydraulic inside temperature measurement method of hermetically sealed Ni-H cell is as the normal discharge and recharge electrode of battery using one end of battery, the other end of battery is measured end as internal temperature of battery, under different operating modes, carries out internal temperature of battery measurement；Internal temperature of battery is measured end and is adopted multipole post holes shell cover structure, and each measurement point is with 1 pole column hole, and with sharing a thermometric, another one thermometric end is arranged on different measurement point poles all of temperature detecting resistance.
The electro-hydraulic inside temperature measurement method of the hermetically sealed Ni-H cell of the present invention can also adopt the following technical scheme that
The described electro-hydraulic inside temperature measurement method of hermetically sealed Ni-H cell, is characterized in: temperature detecting resistance adopts thermometric constantan-made resistances.
The described electro-hydraulic inside temperature measurement method of hermetically sealed Ni-H cell, is characterized in: temperature detecting resistance is arranged on inside battery pole group, by insulation processing after temperature detecting resistance welding lead, is hollowed out the relevant position of battery pole plates during installation.
The described electro-hydraulic inside temperature measurement method of hermetically sealed Ni-H cell, is characterized in: measures temperature detecting resistance resistance under different temperatures before and after filling electrolyte, calculates and compensate, make up measurement error.
The present invention has the advantage that and has the benefit effect that
The technical scheme that the electro-hydraulic inside temperature measurement method of hermetically sealed Ni-H cell is brand-new owing to have employed the present invention, compared with prior art, the present invention adopts actual battery to measure internal temperature of battery, can heat distribution under reaction cell duty really, there is provided data support for optimizing and improving battery thermal design, and then improve reliability and the safety of battery.
Accompanying drawing explanation
Fig. 1 is the electro-hydraulic inside temperature measurement method schematic diagram of hermetically sealed Ni-H cell.
In figure, 1-battery plus-negative plate post, 2-battery electrode drainage strip, 3-battery case cap, 4-inside battery point for measuring temperature is even, 5-battery pole group, 6-battery container, 7-battery thermometric end housing lid, and 8-internal temperature of battery measures lead-out wire, and 9-internal temperature of battery measures pole.
Fig. 2 is hermetically sealed Ni-H cell electro-hydraulic inside temperature measurement method inside temperature measurement end housing schematic diagram.
Fig. 3 is the electro-hydraulic internal temperature measurement battery Making programme schematic diagram of hermetically sealed Ni-H cell.
Detailed description of the invention
For the summary of the invention of the present invention, feature and effect can be further appreciated that, hereby enumerate following example, and it be as follows to coordinate accompanying drawing to describe in detail:
With reference to Fig. 1, Fig. 2 and Fig. 3.
Embodiment 1
A kind of electro-hydraulic inside temperature measurement method of hermetically sealed Ni-H cell, using one end of battery as the normal discharge and recharge electrode of battery, measures end using the other end of battery as internal temperature of battery, carries out internal temperature of battery measurement under different operating modes；Internal temperature of battery is measured end and is adopted multipole post holes shell cover structure, and each measurement point is with 1 pole column hole, and with sharing a thermometric, another one thermometric end is arranged on different measurement point poles all of temperature detecting resistance.Temperature detecting resistance adopts thermometric constantan-made resistances；Temperature detecting resistance is arranged on inside battery pole group, by insulation processing after temperature detecting resistance welding lead, is hollowed out the relevant position of battery pole plates during installation.Measure temperature detecting resistance resistance under different temperatures before and after filling electrolyte, calculate and compensate, make up measurement error.
The specific implementation process of the present embodiment:
The electro-hydraulic inside temperature measurement method of hermetically sealed Ni-H cell is battery case cap, the amplification of thermometric cap to be shaped, battery thermometric cap and battery container are welded together, by can be alkaline-resisting for a long time through verification experimental verification same model temperature detecting resistance welding lead and carry out insulation processing, it is arranged on inside the group of pole, carries out pole assembling and join；By the measurement of three temperature detecting resistances place erecting and welding altogether on a thermometric pole, the another one of three points for measuring temperature is measured end and is respectively welded on three poles, is placed on thermometric end housing lid by four poles that thermometric is relevant；The normal contact conductor of battery normally enters shell operation according to battery to carry out；Weld the various compensation of pre-test at thermometric pole with thermometric cap, measure difference including thermometric pole two ends at same temperature line.Carry out welding battery, leakage check and fluid injection sealing (normal battery production procedure) after being measured, before and after battery liquid-filling sealing, measure side difference before and after note electrolyte at different temperatures, calculate and compensate.Battery production carries out battery charging and discharging test under different temperatures on request after completing, by the different numerical value of measurement thermometric pole end in conjunction with internal temperature in various compensation calculation actual battery charge and discharge process in test process.
The present embodiment has described easy to operate, and data are accurate, and actual battery measures internal temperature of battery, it is possible to heat distribution under real reaction cell duty, and then improves the good effect such as reliability and safety of battery.
Claims (4)
1. the electro-hydraulic inside temperature measurement method of hermetically sealed Ni-H cell, it is characterized in that: the electro-hydraulic inside temperature measurement method of hermetically sealed Ni-H cell is as the normal discharge and recharge electrode of battery using one end of battery, the other end of battery is measured end as internal temperature of battery, under different operating modes, carries out internal temperature of battery measurement；Internal temperature of battery is measured end and is adopted multipole post holes shell cover structure, and each measurement point is with 1 pole column hole, and with sharing a thermometric, another one thermometric end is arranged on different measurement point poles all of temperature detecting resistance.
2. the electro-hydraulic inside temperature measurement method of hermetically sealed Ni-H cell according to claim 1, is characterized in that: temperature detecting resistance adopts thermometric constantan-made resistances.
3. the electro-hydraulic inside temperature measurement method of hermetically sealed Ni-H cell according to claim 1, is characterized in that: temperature detecting resistance is arranged on inside battery pole group, by insulation processing after temperature detecting resistance welding lead, is hollowed out the relevant position of battery pole plates during installation.
4. the electro-hydraulic inside temperature measurement method of hermetically sealed Ni-H cell according to claim 1, is characterized in that: measures temperature detecting resistance resistance under different temperatures before and after filling electrolyte, calculates and compensate, make up measurement error.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410803761.0A CN105758546A (en) | 2014-12-19 | 2014-12-19 | Fully-sealed hydrogen-nickel battery electrolyte internal temperature measurement method |
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| CN201410803761.0A CN105758546A (en) | 2014-12-19 | 2014-12-19 | Fully-sealed hydrogen-nickel battery electrolyte internal temperature measurement method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2268259A1 (en) * | 1974-04-16 | 1975-11-14 | Lesieur Cotelle | Battery powered temp measuring appts - has LED switching off upon probe resistance falling to set level |
| JPH0396827A (en) * | 1989-09-11 | 1991-04-22 | Shin Kobe Electric Mach Co Ltd | Sensor for measuring temperature of electrolyte for lead storage battery |
| CN202329872U (en) * | 2011-12-05 | 2012-07-11 | 中国电子科技集团公司第十八研究所 | Measuring device for internal temperature of testing battery |
| CN103542955A (en) * | 2012-07-17 | 2014-01-29 | 昆山雅森电子材料科技有限公司 | Temperature inductor for lithium ion batteries |
-
2014
- 2014-12-19 CN CN201410803761.0A patent/CN105758546A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2268259A1 (en) * | 1974-04-16 | 1975-11-14 | Lesieur Cotelle | Battery powered temp measuring appts - has LED switching off upon probe resistance falling to set level |
| JPH0396827A (en) * | 1989-09-11 | 1991-04-22 | Shin Kobe Electric Mach Co Ltd | Sensor for measuring temperature of electrolyte for lead storage battery |
| CN202329872U (en) * | 2011-12-05 | 2012-07-11 | 中国电子科技集团公司第十八研究所 | Measuring device for internal temperature of testing battery |
| CN103542955A (en) * | 2012-07-17 | 2014-01-29 | 昆山雅森电子材料科技有限公司 | Temperature inductor for lithium ion batteries |
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Application publication date: 20160713 |
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