CN110379970A - Deep sea low temperature is against control formula oceanographic observation battery flat - Google Patents
Deep sea low temperature is against control formula oceanographic observation battery flat Download PDFInfo
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging in response to temperature
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
- H01M10/6571—Resistive heaters
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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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 invention belongs to oceanographic observation deep sea low temperatures for electrical domain, and in particular to a kind of deep sea low temperature is against control formula oceanographic observation battery flat.Based on deep sea low temperature observing environment; and battery discharge ability declines with temperature and the characteristic of decline; utilize battery discharge procedure heat and the periodic feature of observation process; pass through thermal insulation, heat preservation, accumulated temperature design; collecting, protect, accumulating these originally is the heat of side effect; in conjunction with the optimal discharge period control specifically observed, the deep sea low temperature for being applied to battery operating discharge temperature is inversely kept;To keep stablizing, setting initial temperature, which controls, heats cabin;To guarantee safety, limit temperature control and high pressure through-hole are set;It is integrated with that deep-sea compressive technology, watertight technology and full packing are anti-rocks tired technology simultaneously.Make conventional batteries group under the conditions of deep sea low temperature to approach the work of optimal discharge temperature, discharge capability is improved 30%, be obviously improved deep-sea observed efficiency and reduce observation cost, ensures the deep-sea strategy strong to sea chart.
Description
Technical field
The invention belongs to oceanographic observation deep sea low temperature particular surroundings for electrical domain, and in particular to a kind of deep sea low temperature is against control formula
Oceanographic observation battery flat.
Background technique
In recent years, the world is with population increase, and environmental degradation, land resource is gradually deficient, increasingly to the research at deep-sea
Attention by all circles.In order to preferably develop, using with protection Ocean energy, it is necessary to obtain on a large scale, essence
True various ocean wave parameter data need to carry out a large amount of preventing seabed base, the observation of subsurface buoy deep-sea, this just be unable to do without battery and provides the energy
Power.
Ocean temperature changes generally between -2 DEG C~30 DEG C.Directly observation show world ocean ocean temperature generally with
The increase of depth and reduce, in low latitudes sea area, 350m is maximum with the rate that shallowly reduces, 12 DEG C of 350m characteristic temperature;350-
The rate that 2000m reduces is larger, and 2 DEG C of 2000m characteristic temperature;The rate that 2000-4000m reduces is relatively slow, 4000m characteristic temperature 1
℃;4000m is held essentially constant with deep.In other words, 500m is with depth, and water temperature is substantially all at 10 DEG C or less;1000m is with depth, water
Temperature is substantially all at 5 DEG C or less;2000m is with depth, and water temperature is substantially all at 2 DEG C or less.
The oceanographic observation battery that can be used at present, under cryogenic conditions as deep-sea, discharge capability can only reach mostly
It is even lower to 50%, can reach individually 70% again because safety is not easy to use.Since battery altering is observed in deep-sea ocean
It is not easy very much, the battery flat of conventional batteries discharge capability can be guaranteed under cryogenic by being badly in need of invention, ensure oceanographic observation
It is normally carried out.
Summary of the invention
This invention address that improving the discharge capability of conventional batteries under the conditions of deep sea low temperature, a kind of inverse control of deep sea low temperature is invented
Formula oceanographic observation battery flat.The invention utilizes battery work based on understanding in depth to deep-sea observing environment and battery discharge characteristic
Make the heat phenomenon in discharge process, collecting, protect, accumulating these originally is the heat of side effect, best in conjunction with what is specifically observed
Discharge cycle control, uses the reverse holding of battery operating discharge temperature under the conditions of deep sea low temperature, and increase initial temperature control, height
Through-hole and limit temperature control are pressed, discharge capability of conventional batteries under the conditions of deep sea low temperature is improved 30%, is obviously improved deep-sea sight
It surveys efficiency and reduces observation cost.BROAD SUMMARY includes:
1) the gold drum design of battery flat body: the compatibility of the convenience and polytypic battery that are accommodated in view of battery
Property, battery flat body takes drum-shaped, if its a height of h, diameter d, wall thickness δ;Consider from volume controlled and buoyancy control, needs
Want biggish d and lesser δ;But in order to resist Deep-sea high voltage, d is the smaller the better, and δ is the bigger the better;In order to find optimization scheme,
It calculates comparing the result is that selectedThat is diameter height ratio meets golden section.
2) the double-deck thermal insulation of battery flat wall body designs (first layer preservation and controlling: thermal insulation): the outer wall of battery flat bilayer wall body
For resisting hydraulic pressure, in order to cope with Deep-sea high voltage, and reduce wall body weight, outer wall uses high-low temperature resistant, anti-seawater corrosion, height
Intensity, low-density, non-magnetic titanium material, and technique is emptied using stud;Inner wall is used for thermal insulation, for effective thermal insulation and reduces
Cabin weight, inner wall uses transparent, high-low temperature resistant, pollution-free, non-toxic and tasteless and performance stabilizing polyurethane material, and uses thin cylinder
Integrated forming technique.
3) heat exchange of battery flat wall body inhibits design (second layer preservation and controlling: heat exchange inhibits certainly) certainly: in order to separate
Battery flat internal-external heat exchange will also all carry out smooth place to inside outer wall and inner wall bilateral other than increasing the inner wall layer of thermal insulation
Then reason carries out electroplate process to inside outer wall, form the mirror surface being internally reflected, and realizes heat radiation from inhibition;It will
It is evacuated between inner wall and outer wall, reduces air thermal convection and conduction.
4) full packing polyurethane self-heat conserving in battery pack gap designs (third layer preservation and controlling: battery pack self-insurance in battery flat
Temperature): battery pack is wrapped up in into dress with polyurethane film, puts battery flat into, between battery pack and polyurethane film, is filled out entirely with foam gun
Polyurethane foams is filled, makes battery pack self-heat conserving, while playing fixed function.
5) the heat management system optimal discharge period controls in battery flat: periodically being put according to deep-sea observation condition and battery pack
Electrical feature meets 15~20 DEG C of temperature before discharging, 20~37 DEG C of temperature of discharge cycle control is the optimal discharge period after electric discharge
Control;Deep-sea is observed, observation cycle T and electric discharge period τ (T >=τ) is related generally to, multiple or single τ is evenly distributed in T
The observation of interior progress is evenness observation, is that sampling property is seen by the multiple or single τ observation for concentrating on carrying out in a period of time of T
It surveys, in the case where battery power discharge stability of characteristics, by adjusting the relationship of T and τ, realizes the control of optimal discharge period.
6) heat management system extreme management controls in battery flat: observing cell safety characteristic and each portion of battery flat according to deep-sea
Part temperature-resistance characteristic sets in battery flat thermoae limit temperature as 50 DEG C;Heat management system limiting temperature in battery flat is designed and produced to cut
Locking apparatus is mounted in battery-powered circuit, is automatically disconnected the circuit when temperature is more than 50 DEG C in battery flat, and battery work is ended
Make.
7) design in pressure hole is led in battery flat security control outward: because temperature change can generate pressure change inside battery flat,
Also gas can be generated, especially for the generation for preventing unexpected high pressure, logical pressure hole is set in battery flat bottom, when pressure reaches in cabin
When to 60MPa and being greater than pressure out of my cabin, leads to pressure hole and open, to releasing stress out of my cabin.
8) cabin that heats that heat management system initial temperature controls in battery flat is designed: deep sea low temperature not only makes the electric discharge of many batteries
Ability greatly declines, but also much battery is especially in the back segment difficulty in starting of duty cycle, in battery flat thermal insulation INSULATION DESIGN
On the basis of, in battery flat bottom, setting heats cabin, access battery circuit control, before battery operating discharge, if warm in cabin
Degree be lower than 15 DEG C, heat cabin then automatically starting heat, be automatically stopped after increasing to 15 DEG C, ensure the initial start of battery, then by
The heat of battery discharge procedure maintains temperature.
The invention has the benefit that
(1) the gold drum design of battery flat body makes it have the compatibility of the convenience of battery receiving and polytypic battery
Property, in terms of volume controlled, buoyancy control and resistance to compression control, realize the high ratio of diameter of optimization.
(2) battery flat outer wall is using the stud emptied, can high water pressure resistant, seawater corrosion resistance, and it is light-weight, intensity is big;It is interior
Wall uses transparent polyurethane thin plate, and energy high-low temperature resistant, pollution-free, non-toxic and tasteless and performance are stablized.
(3) smooth treatment is all carried out to battery flat inside outer wall and inner wall bilateral, surface plating then is carried out to inside outer wall
Silver process processing realizes the heat radiation that battery flat radiates outward and inhibits certainly;Vacuum between inside and outside wall can hinder air
Thermal convection and conduction.
(4) battery flat internal pore full packing polyurethane plays fixed function while realizing self-heat conserving, easily taking out, this
It is especially important in oceanographic observation.
(5) heat management system in oceanographic observation battery flat is initiated, the control of optimal discharge period may be implemented, limiting temperature is cut
Only control, high pressure releases the control and initial cryogenic heats function.
(6) the battery heat of observation process is collected, protected, accumulated and used, by conventional batteries in deep sea low temperature
Under the conditions of discharge capability improve 30%, while decreasing the influence to marine environment, achieve many things at one stroke.
Substantive distinguishing features outstanding and significant progress possessed by the present invention:
(1) present invention solves people and thirsts for solving always, but it is conventional to fail the deep sea low temperature to succeed observation always
The weak technical problem of battery discharge ability.
(2) present invention changes the habit thinking that those skilled in the art discharge battery heat in time, collect around,
Protection, accumulation and utilization, realize the multi channel of oceanographic observation battery discharge temperature under the conditions of deep sea low temperature, by conventional batteries
Discharge capability under the conditions of deep sea low temperature improves 30%.
(3) in order to manufacture deep sea low temperature against control formula oceanographic observation battery flat, the present invention is by existing deep-sea compressive technology, watertight
Technology, antifatigue technology etc. are combined, and achieve satisfied technical effect.
(4) present invention is commercially available success, the inverse control of the deep sea low temperature of great Xiong ocean science Co., Ltd batch production
Formula oceanographic observation battery flat, supply falls short of demand for product.
Detailed description of the invention
The present invention is further described with example with reference to the accompanying drawing.
Fig. 1 is main view and its schematic diagram of the section structure of the invention.
Fig. 2 is overlooking structure diagram of the invention.
Fig. 3 is isometric side structure schematic diagram of the invention.
In above each figure: battery flat hatchcover 1, watertight dongle configuration 2, flange screw 3, axial seal grooves 4 are (for placing O
Type circle), radial seal groove 5 (for placing O-ring), the outer wall 6 of battery flat bilayer wall body, battery flat bilayer wall body inner wall 7,
Heat cabin 8, logical pressure pore structure 9.
Specific embodiment
According to summary of the invention, the Specific construction operation for making deep sea low temperature against control formula oceanographic observation battery flat is as follows:
1) battery flat cabin size determines: according to titanium material property and battery flat body characteristics, carrying out cabin by 7200m hydraulic pressure
Body Strength co-mputation determines outer wall thickness d1=10mm;It is calculated according to polyurethane material characteristic and thermal break-through time-histories, determines interior wall thickness
Spend d2=3mm;According to conventional cell size and battery pack integrated size, maximum capacity is compatible possible in calculating cabin, determines inside cabin
Diameter d3=150mm;Battery flat cabin outside diameter d=2d1+2d2+d3=176mm,Determine that the bilge is flat
Bottom shape thickeies by the 150% of side outer wall thickness, determines bottom outer wall thickness h1=15mm;Determine that hatchcover is flange form, overall diameter ratio
The big 20mm of cabin, for being bolted the flange welded in cabin, hatchcover fascia edge thickness h21=20mm, hatchcover outer wall center
Thickness h22=30mm, hatchcover inner wall thickness h3=3mm;Cabin will be heated and be placed in inside cabin bottom, determined with a thickness of h4=10mm;In then
Empty cabin height h5=h-h1-h22-2h3-h4=223.77mm.
2) battery flat outer wall makes: selecting TC4 (Ti-6AI-4V) stud, empties into side thickness d1=10mm, bottom wall thickness h1
The cabin cylinder of=15mm;Intercept same stud, vehicle edge thickness h21=20mm, border width d1=10mm, protrusion thickness h22=
The hatchcover flange of 30mm, using O-ring, axially pressing sealing and radial pressing sealing two ways realize deep-sea watertight, need
In the middle part of marginal zone and projection Middle face difference vehicle goes out to place the groove of O-ring;Smooth treatment is carried out to cabin cylinder and hatchcover inside,
And carry out electroplate process.
3) battery flat inner wall makes: selecting thickness d2Polyurethane binder is used in the polyurethane sheet of=3mm, marginal zone, will
Polyurethane sheet is attached on the bottom wall inside battery flat, side wall and hatchcover flange, forms thin polyurethane cylinder.
4) be vacuum-treated: will be evacuated between battery flat inside and outside wall between inner wall and outer wall, reduce air thermal convection with
Conduction.
5) cabin that heats of heat management system makes in battery flat: determination heats cabin with a thickness of h4=10mm, by solid electric heating
Cake and heat-preservation cotton collocation, using dual control temperature electric heating energy-storage formula structure, by PTC thermistor switch control electric rangette, the positive temperature of PTC
The thermistor of coefficient itself will generate heat when an electric current passes through it, and electric furnace heat transfer gives it, the resistance when temperature increases to 15 DEG C
It steeply rises, until disconnecting power supply, then, slow heat release is kept the temperature to electric furnace by heat-preservation cotton;Work will heat cabin and be placed in inside cabin bottom
Inner wall on.
6) full packing is handled in battery flat: battery pack being wrapped up in dress with polyurethane film, puts battery flat into, in battery pack and is gathered
Between urethane film, with foam gun full packing polyurethane foams, make battery pack self-heat conserving, while playing fixed function.
7) the battery pack optimal discharge period is arranged by observation instrument: is periodically put according to deep-sea observation condition and battery pack
Electrical feature meets 15~20 DEG C of temperature before discharging, 20~30 DEG C of temperature of discharge cycle control is the optimal discharge period after electric discharge
Control;Deep-sea is observed, observation cycle T and electric discharge period τ (T >=τ) is related generally to, multiple or single τ is evenly distributed in T
The observation of interior progress is evenness observation, is that sampling property is seen by the multiple or single τ observation for concentrating on carrying out in a period of time of T
It surveys, in the case where battery power discharge stability of characteristics, the relationship of T and τ is set by observation instrument, realize the control of optimal discharge period
System.
8) in battery flat the limiting temperature stopper of heat management system production: according to deep-sea observe cell safety characteristic
With each component temperature-resistance characteristic of battery flat, thermoae limit temperature is set in battery flat as 50 DEG C;PTC thermistor is switched into access battery
Battery circuit in cabin is placed at battery pack bosom, is just automatically disconnected the circuit when the temperature for passing to it is more than 50 DEG C, cut-off
Battery work.
9) setting in pressure hole is led in battery flat security control outward: logical pressure hole is arranged in battery flat bottom, when pressure reaches in cabin
When to 60MPa and being greater than pressure out of my cabin, leads to pressure hole and open, to releasing stress out of my cabin.
10) setting of battery flat power supply output crossing cabin part: watertight crossing cabin part is set on hatchcover flange, realizes battery flat pair
Outer connection and power supply.
Claims (9)
1. a kind of deep sea low temperature is against control formula oceanographic observation battery flat, it is characterized in that conventional batteries group can be made in deep sea low temperature condition
Under with approach optimal discharge temperature work, specifically include that
The gold drum of deep sea low temperature against control formula oceanographic observation battery flat body designs;
The double-deck thermal insulation of deep sea low temperature against control formula oceanographic observation battery flat wall body designs;
The heat exchange of deep sea low temperature against control formula oceanographic observation battery flat wall body inhibits to design certainly;
Deep sea low temperature is designed against full packing polyurethane self-heat conserving in battery pack gap in control formula oceanographic observation battery flat;
Deep sea low temperature was controlled against the heat management system optimal discharge period in control formula oceanographic observation battery flat;
Deep sea low temperature is controlled against heat management system extreme management in control formula oceanographic observation battery flat;
Deep sea low temperature leads to the setting in pressure hole against the security control of control formula oceanographic observation battery flat outward;
Deep sea low temperature heats cabin against heat management system initial temperature control in control formula oceanographic observation battery flat and is arranged.
2. the gold drum of deep sea low temperature according to claim 1 against control formula oceanographic observation battery flat body designs, feature
Be: the compatibility of the convenience and polytypic battery that accommodate in view of battery, battery flat body take drum-shaped, if its a height of h,
Diameter is d, wall thickness δ;Consider from volume controlled and buoyancy control, needs biggish d and lesser δ;But in order to resist deep-sea height
Pressure, d is the smaller the better, and δ is the bigger the better;In order to find optimization scheme, calculate comparing the result is that selectedI.e.
Diameter height ratio meets golden section.
3. the double-deck thermal insulation of deep sea low temperature according to claim 1 against control formula oceanographic observation battery flat wall body designs, special
Sign is: the outer wall of battery flat bilayer wall body in order to cope with Deep-sea high voltage, and reduces wall body weight, outside for resisting hydraulic pressure
Wall uses high-low temperature resistant, anti-seawater corrosion, high intensity, low-density, non-magnetic titanium material, and empties technique using stud;It is interior
Wall be used for thermal insulation, for effective thermal insulation and reduce cabin weight, inner wall using transparent, high-low temperature resistant, it is pollution-free, non-toxic and tasteless and
Performance stabilizing polyurethane material, and use thin cylinder integrated forming technique.
4. the heat exchange of deep sea low temperature according to claim 1 against control formula oceanographic observation battery flat wall body inhibits to design certainly,
It, will also be to inside outer wall and interior other than increasing the inner wall layer of thermal insulation it is characterized by: in order to separate battery flat internal-external heat exchange
Wall bilateral all carries out smooth treatment, then carries out electroplate process to inside outer wall, forms the mirror surface being internally reflected, real
Existing heat radiation inhibits certainly;It will be evacuated between inner wall and outer wall, reduce air thermal convection and conduction.
5. deep sea low temperature according to claim 1 is against full packing polyurethane in battery pack gap in control formula oceanographic observation battery flat
Self-heat conserving design, it is characterised in that: battery pack is wrapped up in into dress with polyurethane film, battery flat is put into, in battery pack and thin polyurethane
Between film, with foam gun full packing polyurethane foams, make battery pack self-heat conserving, while playing fixed function.
6. deep sea low temperature according to claim 1 is against the heat management system optimal discharge period in control formula oceanographic observation battery flat
Control, it is characterised in that: according to deep-sea observation condition and battery pack periodic discharge feature, meet temperature 15~20 before discharging
DEG C, electric discharge after 20~37 DEG C of temperature discharge cycle control be the optimal discharge period control;Deep-sea is observed, relates generally to see
Cycle T and electric discharge period τ (T >=τ) are surveyed, it is evenness observation that multiple or single τ, which is evenly distributed in the observation carried out in T, will
The observation that multiple or single τ concentrates on carrying out in a period of time of T is the observation of sampling property, in the feelings of battery power discharge stability of characteristics
Under condition, by adjusting the relationship of T and τ, the control of optimal discharge period is realized.
7. deep sea low temperature according to claim 1 is against heat management system extreme management control in control formula oceanographic observation battery flat
System, it is characterised in that: cell safety characteristic and each component temperature-resistance characteristic of battery flat are observed according to deep-sea, set thermoae in battery flat
Limiting temperature is 50 DEG C;Heat management system limiting temperature stopper in battery flat is designed and produced, battery-powered circuit is mounted on
In, it is automatically disconnected the circuit when temperature is more than 50 DEG C in battery flat, cut-off battery work.
8. deep sea low temperature according to claim 1 leads to setting for pressure hole against the security control of control formula oceanographic observation battery flat outward
It sets, it is characterised in that: because temperature change can generate pressure change inside battery flat, gas can be also generated, especially for preventing
The generation of unexpected high pressure is arranged logical pressure hole in battery flat bottom and leads to when pressure reaches 60MPa and is greater than pressure out of my cabin in cabin
Hole is pressed to open, to releasing stress out of my cabin.
9. deep sea low temperature according to claim 1 is heated against heat management system initial temperature control in control formula oceanographic observation battery flat
Cabin setting, it is characterised in that: deep sea low temperature declines the discharge capability of many batteries greatly, but also many batteries are special
In the back segment difficulty in starting of duty cycle, on the basis of battery flat thermal insulation INSULATION DESIGN, in battery flat bottom, setting heats cabin,
Battery circuit control is accessed, before battery operating discharge, if temperature is lower than 15 DEG C in cabin, starting is heated automatically if heating cabin,
It is automatically stopped after increasing to 15 DEG C, ensures the initial start of battery, temperature is then maintained by the heat of battery discharge procedure.
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CN201910684264.6A CN110379970B (en) | 2019-07-26 | 2019-07-26 | Deep sea low-temperature inverse control type ocean observation battery cabin |
PCT/CN2020/104522 WO2021018045A1 (en) | 2019-07-26 | 2020-07-24 | Deep-sea low-temperature inverse-control-type ocean observation battery compartment and deep-sea ocean observation battery compartment |
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CN201910684264.6A CN110379970B (en) | 2019-07-26 | 2019-07-26 | Deep sea low-temperature inverse control type ocean observation battery cabin |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021018045A1 (en) * | 2019-07-26 | 2021-02-04 | 自然资源部第一海洋研究所 | Deep-sea low-temperature inverse-control-type ocean observation battery compartment and deep-sea ocean observation battery compartment |
CN112670003A (en) * | 2020-12-21 | 2021-04-16 | 华南理工大学 | Bromine salt cooling small molten salt reactor for providing nuclear power for deep sea space station |
CN113219354A (en) * | 2021-04-08 | 2021-08-06 | 刘迪 | Test method of fast-charging solid polymer lithium ion battery |
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