CN206546856U - A kind of thermal battery activating device based on PDVF films - Google Patents
A kind of thermal battery activating device based on PDVF films Download PDFInfo
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- CN206546856U CN206546856U CN201720056550.4U CN201720056550U CN206546856U CN 206546856 U CN206546856 U CN 206546856U CN 201720056550 U CN201720056550 U CN 201720056550U CN 206546856 U CN206546856 U CN 206546856U
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- thin film
- cell
- pvdf thin
- battery
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Abstract
Activation device based on PVDF thin film thermal cell, including PVDF thin film, electrode, electric igniter, insulating barrier, insulated conductor, gravity block, the bar that ignites, cell, housing, battery electrode, wire;Housing upper strata is provided with cell, and cell upper end is connected with battery electrode, is set on the outside of cell and bottom is provided with the bar that ignites;Housing lower floor is disposed with gravity block, insulating barrier, electrode and PVDF thin film from the top down;Manhole is provided with the middle of gravity block, manhole is internally provided with electric igniter, interlayer is provided between upper strata and lower floor, the centre of interlayer is provided with opening.The utility model, as the activation energy, is occupied little space using PVDF thin film, meets the microminaturization requirement of thermal cell;Activationary time is short, and activation reliability is up to more than 99.5%, good reliability;PVDF thin film soft texture, it is lightweight, it is simple as activation energy resource structure, it is easy to processing and assembling.
Description
Technical field
The utility model belongs to fuse, guided missile and Aero-Space thermal cell technical field, and in particular to based on PDVF films
Thermal battery activating device.
Background technology
Thermal cell is that the electrolyte inside thermal cell is nonconducting solid under the battery by heat activation, normal temperature, is used
Shi Liyong activates device(Electricity point head living or striker excite igniter cap)Kindling paper in point fuel cell, makes inside battery electrolyte rise rapidly
Temperature fusing is simultaneously conductive, and battery is activated, while exporting electric energy.
At present, the primary activation mode of domestic thermal cell has two kinds:One kind is electrical activation, i.e., ignite electric point using external power
Duration and degree of heating is under fire, the heating plate that ignites activation thermal cell;Another is mechanical activation, i.e., igniter cap ignition is ignited using mechanical energy and add
Backing activates thermal cell.Electrical activation needs the external electrical apparatus such as applied mechanical generator, and mechanical activation is needed in battery floor
End design igniter cap broad-mouthed receptacle for holding liquid loads igniter cap, separately needs additional firing pin, spring, the part such as guide cylinder.The existing active mode of both the above lack
Point is:(1)Electrically activate and mechanical activation is all to light Kindling paper by priming system to refire heating plate, the various materials of the process
Burning velocity is slow, and activationary time is longer, and more than 0.3s is needed at the soonest, it is impossible to meet property weapon requirement;(2)The above two
Plant active mode to be required to add other devices in addition, volume is larger, take space in bullet and greatly, be unfavorable for realizing the small of thermal cell
Type;(3)Additional activation apparatus structure is complicated, and the production cycle is long.
PVDF(Polyvinylidene Fluoride, abbreviation PVDF)Polyvinylidene fluoride, with piezoelectric property, that is, exists
Pressure effect is lower to be occurred polarization and the opposite electric charge of symbol is produced on the end surfaces of material two, and force direction changes, electric charge pole
Property is also with change, and after external force is removed, the dielectric returns to uncharged state again.
According to the shortcomings of the prior art, it is necessary to reference to PVDF(Polyvinylidene Fluoride,
Abbreviation PVDF)Polyvinylidene fluoride, characteristic, a kind of device of creative and novelty of utility model.
Utility model content
The utility model provides a kind of thermal battery activating device based on PVDF thin film, and existing thermal cell is solved with this and is swashed
Mode space-consuming living is big, activationary time is long, the problems such as being not easy to assembling.
The utility model is achieved through the following technical solutions:
Activation device based on PVDF thin film thermal cell, PVDF thin film, electrode, electric igniter, insulating barrier, insulated conductor,
Gravity block, the bar that ignites, cell, housing, battery electrode, wire;
The housing is set in the middle of battery upper strata and battery lower floor, levels be provided with cell interlayer, cell interlayer
Between be provided with circular hole;
The battery upper strata is internally provided with cell, and the top of the cell is connected with battery electrode, described
The bar that ignites is provided between cell and layer shell madial wall, between cell and cell interlayer;
The battery lower floor is disposed with gravity block, insulating barrier, electrode and PVDF thin film from the top down;The gravity block
Cylinder is set to, and centre is provided with manhole, manhole diameter and cell interlayer centre Circularhole diameter are identical;
Electric igniter is connected in series with two electrodes respectively by insulated conductor;It is thin that PVDF is provided between two electrodes
Film;
Between the electrode and insulated conductor, battery lower floor madial wall, battery lower floor bottom surface inwall be provided with insulating barrier,
Insulating barrier ensures that PVDF thin film insulate with housing, gravity block, and PVDF thin film is used for providing the energy to thermal cell.
As a kind of perferred technical scheme, the thickness of PVDF thin film is arranged between ten to one thousand micrometer range.
As a kind of perferred technical scheme, the material of the gravity block is steel disc.
As a kind of perferred technical scheme, the cell is set to cylinder.
As a kind of perferred technical scheme, the upper end of electric igniter and the distance between the bar that ignites are set smaller than 5mm.
As a kind of perferred technical scheme, the thickness of the activation device is arranged within 1mm.
As a kind of perferred technical scheme, heating plate, cathode sheets, anode strip, electrolysis are included inside the cell
Matter and collector plate.
Manhole is provided with the middle of the utility model gravity block, and manhole is internally provided with electric igniter;It is made
With the overload that PVDF thin film is subject to when being to increase gun pressure effect.
The utility model electric igniter two ends are connected with insulated conductor, be connected on the PVDF thin film positive and negative electrode it
Between, it act as:When being reached overload condition by gun pressure effect, PVDF thin film and electric igniter formation loop, current impulse point
Fire electric igniter.Electric igniter further lights Kindling paper, so that activated batteries.
The utility model is provided with PVDF thin film, and PVDF thin film soft texture, it is easy to process is simple in construction, it is easy to assemble.
The thermal cell activation energy described in the utility model uses PVDF thin film.
Compared with existing active mode, the beneficial effects of the utility model are:(1)It is thin that the utility model is based on PVDF
The thermal battery activating device gross thickness of film is less than 1mm, occupies little space, meets the microminaturization requirement of thermal cell;(2)Battery reaches
During to overload condition(Pressure is more than 300Mpa)PVDF thin film, which produces current impulse, quickly to light Kindling paper, 10 in 5 microseconds
Activated batteries in millisecond, activationary time is short, and activation reliability is up to more than 99.5%, good reliability;(3)PVDF thin film quality is soft
It is soft, it is easy to process, it is simple in construction, it is easy to assemble.
Brief description of the drawings
Fig. 1 is thermal battery activating device structural representation of the utility model based on PVDF thin film;
Fig. 2 is the utility model circuit theory diagrams;
Fig. 3 is that specific embodiment moderate heat bore is buckled line chart;
Fig. 4 is PVDF stress diagrams when the utility model is tested;
Fig. 5 is main line voltage curve under the utility model experiment stress;
Fig. 6 is main line current curve diagram under the utility model experiment stress.
Number explanation in figure:1 PVDF thin film;2 electrodes;3 insulated conductors;4 insulating barriers;5 electric igniters;6 gravity blocks;7 draw
Fire bar;8 cells;9 housings;10 battery electrodes;11 battery upper stratas;12 battery lower floors;13 cell interlayers;14 wires.
Embodiment
The utility model is described in further detail with specific experiment example below in conjunction with the accompanying drawings, is easy to be apparent from
The utility model, but they do not constitute restriction to the utility model.
With reference to shown in Fig. 1:Thermal battery activating device based on PVDF thin film, including:PVDF thin film 1, electrode 2, insulation are led
Line 3, insulating barrier 4, electric igniter 5, gravity block 6, the bar 7 that ignites, cell 8, housing 9, battery electrode 10, battery upper strata 11,
Battery lower floor 12, cell interlayer 13.
The housing 9 is set to cylinder, and housing 9 is set to set in the middle of battery upper strata 11 and battery lower floor 12, levels
It is equipped with the middle of cell interlayer 13, cell interlayer 13 and is provided with circular hole;
The battery upper strata 11 is internally provided with cell 8, top and the phase of battery electrode 10 of the cell 8
Even, it is provided with the bar that ignites between the cell 8 and layer shell madial wall, between cell 8 and cell interlayer 13
7;
The battery lower floor 12 is disposed with gravity block 6, insulating barrier 4, electrode 2 and PVDF thin film 1 from the top down;It is described
Gravity block 6 is set to cylinder, and centre is provided with manhole, manhole diameter and the middle Circularhole diameter of cell interlayer 13
It is identical;
Electric igniter 5 is connected in series with two electrodes 2 respectively by insulated conductor 3;PVDF is provided between two electrodes 2
Film 1;
Between the electrode 2 and insulated conductor 3, the madial wall of battery lower floor 12, the bottom surface inwall of battery lower floor 12 be provided with
Insulating barrier 4, insulating barrier 4 ensures that PVDF thin film 1 insulate with housing, gravity block 6, and PVDF thin film 1 is used for providing the energy to thermal cell.
The inside of cell 8 includes heating plate, cathode sheets, anode strip, electrolyte and collector plate.When cell 8
When being reached overload condition by gun pressure effect, PVDF thin film 1 produces current impulse and lights electric igniter 5, and then lights the bar 7 that ignites
With the heating plate in cell 8, cell 8 is started working.
The material of the gravity block 6 is steel disc, can select different sizes according to thermal cell size and space requirement.
The thickness of the PVDF thin film thermal battery activating device is less than 1mm.
The upper end of the electric igniter 5 and the distance between the bar 7 that ignites are set smaller than 5mm.
The PVDF thin film(1)Thickness be arranged between ten to one thousand micrometer range.The material of the gravity block is steel
Piece.
The cell is set to cylinder.
It is PVDF thin film thermal battery activating device circuit theory diagrams with reference to Fig. 2:Circuit is constituted:Electric igniter 5, wire
14, PVDF thin film 1.
The two end electrodes 2 of PVDF thin film 1 are connected with wire 14 and electric igniter 5, are reached when thermal cell receives gun pressure effect
During to overload condition, PVDF thin film 1 produces electric current through the inflow electric igniter 5 of wire 14 due to piezo-electric effect.
The gun pressure effect curves with reference to suffered by Fig. 3 is body in the small-sized bullet emission process of certain cannon, gun pressure maximum exceedes
300Mpa, action time is less than 10ms.For simulate this process the surge shown in Fig. 4 is loaded on by PVDF thin film 1 as
On the thermal cell for activating the energy, PVDF thin film 1 is connected with electric igniter 5, measure main line voltage and electric current time-history curves such as Fig. 5 with
Shown in Fig. 6, as a result show that the electric igniter that firing current is 0.5A is under fire rapidly in 5 microseconds.
The utility model activates the energy using PVDF thin film 1 as thermal cell, and gross thickness occupies little space within 1mm,
Meet the microminaturization requirement of thermal cell;When battery reaches overload condition(Pressure is more than 300Mpa)PVDF thin film produces electric current arteries and veins
Punching activated batteries in Kindling paper, 10 milliseconds can quickly be lighted in 5 microseconds, activationary time is short, activate reliability be up to 99.5% with
On, good reliability;PVDF thin film soft texture, it is lightweight, it is easy to processing and assembling.
Thermal battery activating device gross thickness of the utility model based on PVDF thin film is less than 1mm, occupies little space, and meets heat
The microminaturization requirement of battery;When battery reaches overload condition(Pressure is more than 300Mpa)PVDF thin film produces current impulse can be
Activated batteries in Kindling paper, 10 milliseconds quickly are lighted in 5 microseconds, activationary time is short, activation reliability is up to more than 99.5%, can
It is good by property;
PVDF thin film soft texture of the present utility model, it is easy to process, it is simple in construction, it is easy to assemble.
Above-described embodiment is only that the utility model design way of realization is enumerated, and protection domain of the present utility model is not
Above-described embodiment is only limitted to, protection domain of the present utility model may extend to those skilled in the art according to skill of the present utility model
The thinkable equivalent technologies mean of art design institute.
Claims (7)
1. the thermal battery activating device based on PVDF thin film, it is characterised in that including PVDF thin film(1), electrode(2), insulation lead
Line(3), insulating barrier(4), electric igniter(5)Gravity block(6), ignite bar(7), cell(8), housing(9), battery electrode
(10);
The housing(9)It is set to cylinder, housing(9)It is set to battery upper strata(11)With battery lower floor(12), in levels
Between be provided with cell interlayer(13), cell interlayer(13)Centre is provided with circular hole;
The battery upper strata(11)It is internally provided with cell(8), the cell(8)Top and battery electrode(10)
It is connected, the cell(8)Between layer shell madial wall, cell(8)With cell interlayer(13)Between be respectively provided with
Ignite bar(7);
The battery lower floor(12)Gravity block is disposed with from the top down(6), insulating barrier(4), electrode(2)And PVDF thin film
(1);The gravity block(6)Cylinder is set to, and centre is provided with manhole, manhole diameter and cell interlayer(13)
Middle Circularhole diameter is identical;
Electric igniter(5)Pass through insulated conductor(3)Respectively with two electrodes(2)It is connected in series;Two electrodes(2)Between be provided with
PVDF thin film(1);
The electrode(2)With insulated conductor(3)Between, battery lower floor(12)Madial wall, battery lower floor(12)Bottom surface inwall is all provided with
It is equipped with insulating barrier(4), insulating barrier(4)Ensure PVDF thin film(1)With housing, gravity block(6)Insulation;PVDF thin film(1)For to
Thermal cell provides the energy.
2. the thermal battery activating device based on PVDF thin film according to claim 1, it is characterised in that the PVDF thin film
(1)Thickness be arranged between ten to one thousand micrometer range.
3. the thermal battery activating device based on PVDF thin film according to claim 1, it is characterised in that the gravity block(6)
Material be steel disc.
4. the thermal battery activating device based on PVDF thin film according to claim 1, it is characterised in that the cell
(8)It is set to cylinder.
5. the thermal battery activating device based on PVDF thin film according to claim 1, it is characterised in that electric igniter(5)'s
Upper end and the bar that ignites(7)The distance between be set smaller than 5mm.
6. the thermal battery activating device based on PVDF thin film according to claim 1, it is characterised in that the activation device
Thickness is arranged within 1mm.
7. the thermal battery activating device based on PVDF thin film according to claim 1, it is characterised in that the cell
(8)Inside includes heating plate, cathode sheets, anode strip, electrolyte and collector plate.
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CN201720056550.4U CN206546856U (en) | 2017-01-18 | 2017-01-18 | A kind of thermal battery activating device based on PDVF films |
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CN201720056550.4U CN206546856U (en) | 2017-01-18 | 2017-01-18 | A kind of thermal battery activating device based on PDVF films |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107069059A (en) * | 2017-01-18 | 2017-08-18 | 沈阳理工大学 | Thermal battery activating device based on PVDF thin film |
-
2017
- 2017-01-18 CN CN201720056550.4U patent/CN206546856U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107069059A (en) * | 2017-01-18 | 2017-08-18 | 沈阳理工大学 | Thermal battery activating device based on PVDF thin film |
CN107069059B (en) * | 2017-01-18 | 2023-05-09 | 沈阳理工大学 | Thermal battery activation device based on PVDF film |
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Granted publication date: 20171010 Effective date of abandoning: 20230509 |
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