CN206330494U - Electrical fuze firing energy test device - Google Patents
Electrical fuze firing energy test device Download PDFInfo
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- CN206330494U CN206330494U CN201621274100.4U CN201621274100U CN206330494U CN 206330494 U CN206330494 U CN 206330494U CN 201621274100 U CN201621274100 U CN 201621274100U CN 206330494 U CN206330494 U CN 206330494U
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- electrical fuze
- film flying
- energy
- testing tube
- firing energy
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Abstract
The electrical fuze firing energy test device that the utility model is provided, including：Testing tube, film flying, fixed plug, vacuum tank, high-speed camera, tape deck, vavuum pump, data handling system and temperature measuring equipment.Electrical fuze firing energy is converted into energy suffered by film flying using Conversion Methods, movement locus of the film flying in testing tube during electrical fuze is under fire is shot under vacuum condition, it is simplified to physical model, the related data of film flying motion model is handled using mathematical measure, the kinetic energy of film flying is solved, i.e. electrical fuze firing energy is converted into the part of kinetic energy；Temperature measuring equipment measures temperature change of the testing tube when electrical fuze is under fire, and solves the part that electrical fuze firing energy is converted into heat energy；Kinetic energy and heat energy sum are surveyed electrical fuze firing energy.The utility model solves the problem that electrical fuze firing energy is dynamically measured, and has reliable theoretical foundation, easy to operate, measurement result is accurate.
Description
Technical field
The utility model is related to the test of fire-working article test technology, more particularly to electrical fuze firing energy.
Background technology
Conventional delay electric detonator, the sparking mode of its delay powder is lighted a fire for electrical fuze heated combustion.At present, China
Conventional electrical fuze is generally igniter wire formula, steel-sheet type, and igniter wire or steel disc liter after a certain amount of ignition charge, energization are scribbled thereon
Warm point of ignition gunpowder, initial energy is provided for delay powder.When the firing energy that electrical fuze is produced can make the igniting of delay powder
Between it is different with burning velocity, so as to influence the delay precision of delay electric detonator.So the test to electrical fuze firing energy
Or it is particularly important.
Utility model content
The electrical fuze firing energy test device that the utility model is provided, can accurately measure electrical fuze hair
Fiery energy and its dynamic change, can prolong as assessing electrical fuze performance and measuring electrical fuze firing energy to delay powder
A kind of means of testing of phase precision influence, theoretical direction is provided to improve delay electric detonator precision.
The technical solution adopted in the utility model is：An electrical fuze firing energy part is converted into the dynamic of surrounding objects
Can, a part is converted into heat energy, the object contacted is heated up；Then under vacuum, one and electrical fuze are designed
The film flying of contact, movement locus of the film flying in testing tube during electrical fuze is under fire, letter are shot using high-speed camera
Physical model is melted into, the related data of film flying motion model is handled using mathematical measure, the kinetic energy of film flying, i.e. electric firing medicine is solved
Head firing energy is converted into the part of kinetic energy；Temperature measuring equipment measures temperature change of the testing tube in electrical fuze ignition process,
Solve the part that electrical fuze firing energy is converted into heat energy；Kinetic energy and heat energy sum are surveyed electrical fuze ignition energy
Amount.
Its theory deduction is：
Electrical fuze firing energy is converted into the part of kinetic energy, including rotational kinetic energy and translational kinetic energy：Film flying is quality
Impacted in m, radius R, thickness the h rigid disk of homogeneous, test process, film flying is in testing tube while being revolved with film flying center
Turn, while travelling forward.The procedure decomposition is moved into System of Rotating about Fixed Axis and along two processes of testing tube translation, the dynamic of film flying is solved
Can, i.e., electrical fuze firing energy is converted into the part of kinetic energy.
To film flying System of Rotating about Fixed Axis process：
Film flying is regarded as and is made up of some thin annulus, the thin annulus that any radius r, width dr, quality are dm, this thin circle is taken
The rotary inertia dJ of ring is：
DJ=r2dm (1)
Wherein
The π rhdr (2) of dm=ρ dV=ρ 2
ρ is film flying density, and dV is the volume of thin annulus；Formula (2) is substituted into formula (1), arranged：
DJ=2 π r3hρdr (3)
Formula (3) is integrated in film flying radius, film flying is solved around central axis inertia J：
Formula (5) is substituted into formula (4) to obtain：
From formula (6)：J is unrelated with h, i.e., film flying is unrelated with its thickness around the rotary inertia that central axis rotates；
Film flying rotational kinetic energy：
In formula, ERFor film flying rotational kinetic energy, ω is film flying rotational angular velocity；
ω method for solving：High-speed camera shoots rotary motion trace of film flying of the side provided with groove in testing tube, adopts
Collect film flying rotational angle and corresponding time, the function for being fitted film flying rotational angle α and time T using data handling system is closed
System, its polynomial equation:
α=A0+A1T1+A2T2+A3T3+A4T4+…AnTn (8)
In formula (8), A0…AnFor undetermined coefficient；Formula (8) obtains film flying around center axis thereof angular velocity omega to the derivation of time T
With time T functional relation：
By formula (9), the instantaneous angular velocity ω that any time film flying rotates around central axis is solved；
Formula (6), (9) are substituted into formula (7) and obtained：
By formula (10), rotational kinetic energy and its dynamic change that film flying rotates around circle central axis are solved.
To film flying along testing tube translation process：
High-speed camera shoots film flying translation track in testing tube, at the time of gathering film flying translatory distance and be corresponding, profit
Film flying translatory distance D and time T relation, its polynomial equation are fitted with data handling system:
D=B0+B1T1+B2T2+B3T3+B4T4+…BnTn (11)
In formula (11)：B0…BnFor undetermined coefficient, formula (11) obtains many of film flying translational velocity v and time T to the derivation of time T
Item formula equation：
By theorem of kinetic energy：
Bring formula (12) into formula (13)：
Film flying translational kinetic energy E is solved by formula (14)LAnd its dynamic change；
Electrical fuze firing energy is converted into the part of heat energy, testing tube is heated up：If testing tube specific heat capacity is C, matter
Measure as M, room temperature is t0, dynamic change of the testing tube in electrical fuze ignition process temperature value t is measured with temperature measuring equipment：
T=C0+C1T1+C2T2+C3T3+C4T4+…CnTn (15)
Test process, the temperature difference Δ t between testing tube temperature t and room temperature change with time for：
Δ t=t-t0=C0+C1T1+C2T2+C3T3+C4T4+…CnTn-t0 (16)
The energy Q for being then converted into heat energy is：
Q=CM Δ t=CM (C0+C1T1+C2T2+C3T3+C4T4+…CnTn-t0) (17)
Electrical fuze firing energy E is：
E=ER+EL+Q (18)
Angle [alpha] and time T functional relation that film flying rotates around circle central axis are first fitted according to formula (8), formula (9) is solved
Film flying rotational angular velocity ω and time T functional relation, convolution (9), (10) and film flying quality m, film flying radius R are solved and flown
Piece rotational kinetic energy ERAnd its dynamic change.Film flying translatory distance D and time T functional relation are fitted by formula (11) again, by formula
(12) film flying translational velocity v and time T functional relation is solved, convolution (12), (14) and film flying quality m solve film flying and put down
Dynamic kinetic energy ELAnd its dynamic change.Formula (15), (16), (17) binding test pipe specific heat capacity C, testing tube mass M, room temperature t0, solve
Electrical fuze firing energy is converted into part and its dynamic change of heat energy；According to formula (10), (14), (17) and (18), ask
Solve electrical fuze firing energy E and its dynamic change.
In order to realize said process, device design of the present utility model includes：Testing tube, film flying, fixed plug, vacuum tank,
High-speed camera, tape deck, vavuum pump, data handling system and temperature measuring equipment；The testing tube is one and is provided with graduation mark
The rigid body of hollow transparent；The film flying is a light rigidity wafer architecture, and its diameter is slightly less than test bore, film flying side
Face sets groove；The fixed plug is cylindrical structure, and external diameter agrees with test bore, its axis apertured, aperture and electric firing
The external diameter of plastic plug is consistent on medicine head；The vacuum tank is a cuboid glass box, and aspirating hole, exploder are set thereon.
The conventional electrical fuze time of ignition is Millisecond, then high-speed camera filming frequency is at least 1000 frames/second.
It is conventional vacuum condition, routine experimentation vavuum pump needed for measurement.
During test, first by the payment to a porter of electrical fuze through in the hole of fixed plug, to electrical fuze on plastic plug with it is solid
Surely the hole filled in mutually is agreed with, and is fixed, sealed with glue；Fixed plug insertion testing tube one end of electrical fuze will be fixed with, by solid
Fixed plug is fixed, glue sealing.Film flying is inserted by the testing tube other end, and film flying is pushed into be in contact with electrical fuze；Electricity is drawn
The payment to a porter of gunpowder head is sealingly connected to the exploder on vacuum tank, and the testing tube after connection is horizontally placed in vacuum tank, sealing
Vacuum tank；Vacuum state will be evacuated in vacuum tank through aspirating hole with vavuum pump, aspirating hole is sealed；High-speed camera, temperature measuring equipment
Placed perpendicular to testing tube axis, high-speed camera, temperature measuring equipment and tape deck are connected.Start high-speed camera, thermometric dress
Put and tape deck；Ignite electrical fuze after exploder charging, and film flying rotates in testing tube to travel forward along axis, film flying
Closing high-speed video camera after stopping, film flying motion process and testing tube temperature value are by recording device records.Data handling system root
According to the film flying not position of corresponding testing tube high scale line, and not corresponding in the same time in the same time of recording device records
Film flying side groove, fits the motion state function of electrical fuze ignition process film flying, solves the kinetic energy of film flying, i.e. electricity draws
Gunpowder head firing energy is converted into the part of kinetic energy；The testing tube temperature value measured with reference to temperature measuring equipment, solves electrical fuze
Firing energy is converted into the part of heat energy；Kinetic energy and heat energy sum, as electrical fuze firing energy.
The electrical fuze firing energy test device that the utility model is provided, the testing tube being related to is one hollow firm
Property transparent pipe, be easy to high-speed camera to shoot the movement locus of film flying, testing tube high scale line is to be accurately positioned film flying
Translatory distance, is fitted the correlation function of film flying translation.Film flying generally light rigidity wafer architecture, its diameter is slightly less than testing tube
Internal diameter, is easy to motion of the film flying in testing tube, makes again in vacuum, the gas in the air pressure and vacuum tank of film flying both sides
Pressure is consistent, so as to ensure to move because of film flying caused by inner and outer air pressure difference in vacuum；Due to the gap very
Small, electrical fuze ignition process is Millisecond, and ignition charge chemical reaction is fast, gas production rate is fast, and gas is quickly small to resistance
The expansion of film flying end, small gaps of the minimal amount of gas between film flying and testing tube flow to vacuum tank, and it is moved to film flying
The influence very little of state and final testing result, can be neglected；Film flying has certain thickness, and film flying fortune can be fixed well
Angle during dynamic in testing tube；Film flying side sets groove, is easy to high-speed camera to shoot the rotary motion track of film flying,
It is fitted the relative motion function that film flying is rotated；Wafer type structure alleviates the quality of film flying, reduces the friction of film flying and testing tube,
Light weight, friction are small, and beneficial to the motion of film flying, film flying translatory distance is elongated, and equivalent to experimental phenomena is expanded, the film flying of fitting is put down
Dynamic function is more accurate so that test result is more accurate.Fixed plug axis apertured, can be fixed on testing tube by electrical fuze
One end.The vacuum tank is transparent, is easy to high-speed camera to shoot；The setting of aspirating hole, is easy to vavuum pump to be taken out in vacuum tank very
Sky, prevents that atmospheric pressure from producing influence to film flying motion, causes test result error excessive.
The utility model provide electrical fuze firing energy test device advantage and good effect be：The test
Method and device can measure the portion that electrical fuze firing energy is converted into kinetic energy indirectly by measuring the motion state of film flying
Point；The testing tube temperature change measured by temperature measuring equipment, solves the part that electrical fuze firing energy is converted into heat energy；It is dynamic
Can be surveyed electrical fuze firing energy with heat energy summation；The performance of electrical fuze can be assessed with this and electricity is probed into and drawn
Influence of the gunpowder head firing energy to delay powder delay precision.The utility model has reliable theoretical foundation, easy to operate, measurement
As a result it is accurate, certain theoretical foundation is provided for actual production.
The skill of the electrical fuze firing energy test device of the utility model offer is provided with reference to embodiment
Art scheme.
Brief description of the drawings
Fig. 1 is the testing tube structural representation of the utility model electrical fuze firing energy test device；
Fig. 2 is the film flying structural representation of the utility model electrical fuze firing energy test device；
Fig. 3 is the utility model electrical fuze firing energy test device film flying and testing tube combination diagram；
Fig. 4 is the utility model electrical fuze firing energy test device part-structure schematic diagram；
Fig. 5 is the utility model electrical fuze firing energy test device schematic diagram.
Embodiment
High-speed camera is 1,300,000 fps from the colored high-speed camera of NAC Memr ecam HX-3 types, filming frequency.
Vavuum pump selects rattan original FUJIWARA type two-stage vacuum pumps, the reachable -98kpa of vacuum.
During test, by the payment to a porter 3 of electrical fuze through the hole of fixed plug 4, to electrical fuze on plastic plug and fixation
The hole of plug 4 is mutually agreed with, and is fixed, sealed with glue；The fixed plug 4 for being fixed with electrical fuze is inserted into the one end of testing tube 1, by solid
Surely plug 4 is fixed, glue sealing.Film flying 2 is inserted by the other end of testing tube 1, and film flying 2 is pushed into be in contact with electrical fuze, will
The payment to a porter 3 of electrical fuze is sealingly connected to the exploder 8 on vacuum tank 6；Testing tube 1 after connection is horizontally placed at vacuum tank
In 6, vacuum tank 6 is sealed；Vacuum state will be evacuated to inside vacuum tank 6 through aspirating hole 7 with vavuum pump, aspirating hole 7 is sealed；Will be at a high speed
Video camera 9, temperature measuring equipment 5 are placed perpendicular to the axis of testing tube 1, and tape deck 10 connects with high-speed camera 9 and temperature measuring equipment 5
Connect.Start high-speed camera 9, temperature measuring equipment 5 and tape deck 10；Ignite electrical fuze, the edge of film flying 2 after the charging of exploder 8
The axis rotary advanced movement of testing tube 1；Closing high-speed video camera 9 after the stopping of film flying 2, the motion process of film flying 2 and testing tube 1
Temperature change is recorded by tape deck 10.
The film flying 2 that data handling system is recorded according to the tape deck 10 not corresponding high scale line of testing tube 1 in the same time
Position, and the not corresponding side groove of film flying 2 in the same time fits the motion of electrical fuze ignition process film flying 2
Function of state, measures the part that electrical fuze firing energy is converted into kinetic energy, the test measured by temperature measuring equipment 5 indirectly
The temperature change of pipe 1, solves the part that electrical fuze firing energy is converted into heat energy；Kinetic energy and heat energy summation are electric firing
Medicine head firing energy.
Embodiment one
Reference picture 1, testing tube 1 is long 550mm, internal diameter 10mm, wall thickness 1.50mm hollow transparent quartz ampoule, thereon
Provided with the graduation mark that range is 550mm, adjacent scale value is 1mm.
Reference picture 2, film flying 2 is wafer architecture, and material is that color light high intensity is quartzy, diameter 9.96mm, thick 1mm, its
Side equidistantly sets 360 grooves, and adjacent two grooves correspondence central angle is 1 °.Colored film flying makes high-speed camera shoot film flying
Motion state is relatively sharp, beneficial to the raising of measurement accuracy.
Reference picture 3, by the built-in test pipe 1 of film flying 2.
Reference picture 4,4 external diameter 10mm of fixed plug, its axis apertured footpath 8mm hole, by the payment to a porter 3 of igniter wire formula electrical fuze
Through the hole of fixed plug 4, to electrical fuze on the hole of plastic plug and fixed plug 4 mutually agree with, fixed, sealed with glue；Will be solid
Surely the fixed plug 4 for having electrical fuze is inserted from the one end of testing tube 1, and glue is fixed, sealed；Film flying 2 is put by the other end of testing tube 1
Enter, be pushed into be in contact with electrical fuze.
Reference picture 5, the payment to a porter 3 of electrical fuze and exploder 8 are tightly connected, and the level of testing tube 1 after connection is put
In in vacuum tank 6, vacuum tank 6 is sealed, vacuum tank 6 is vacuumized through aspirating hole 7 with vavuum pump, seal aspirating hole 7, high-speed camera
Machine 9, temperature measuring equipment 5 are placed perpendicular to the axis of testing tube 1, and high-speed camera 9, temperature measuring equipment 5 are connected with tape deck 10.
Derived with reference to above-mentioned theory, the film flying 2 that data handling system is recorded according to tape deck 10 is not corresponding in the same time
The high scale line of testing tube 1 position, and the not corresponding side groove of film flying 2 in the same time fits electrical fuze hair
The motion state function of fiery process film flying 2, measures the part that electrical fuze firing energy is converted into kinetic energy indirectly；By surveying
The temperature change for the testing tube 1 that warm device 5 is measured, solves the part that electrical fuze firing energy is converted into heat energy；Kinetic energy and
Heat energy summation is electrical fuze firing energy.
Embodiment two
Method and device of the present utility model can also be used for the measurement of detonator firing energy, similar with embodiment one,
This is repeated no more.
Embodiment described above is only that the utility model preferred embodiment is described, not new to this practicality
The spirit and scope of type are defined.On the premise of the utility model design concept is not departed from, this area ordinary person is to this
The all variations and modifications that the technical scheme of utility model is made, all should drop into protection domain of the present utility model, this practicality
New claimed technology contents, have all been recorded in detail in the claims.
Claims (1)
1. a kind of electrical fuze firing energy test device, it is characterised in that including：Testing tube, film flying, fixed plug, vacuum
Case, high-speed camera, tape deck, vavuum pump, data handling system and temperature measuring equipment；The fixed plug is cylindrical structure,
External diameter 10mm, agrees with the internal diameter of testing tube；The axis apertured footpath 8mm of fixed plug hole, with the modeling on electrical fuze
Expect that the external diameter of plug is consistent, the vacuum tank is a cuboid glass box, provided with aspirating hole and exploder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621274100.4U CN206330494U (en) | 2016-11-24 | 2016-11-24 | Electrical fuze firing energy test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621274100.4U CN206330494U (en) | 2016-11-24 | 2016-11-24 | Electrical fuze firing energy test device |
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| Publication Number | Publication Date |
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| CN206330494U true CN206330494U (en) | 2017-07-14 |
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ID=59287957
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|---|---|---|---|
| CN201621274100.4U Expired - Fee Related CN206330494U (en) | 2016-11-24 | 2016-11-24 | Electrical fuze firing energy test device |
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| CN (1) | CN206330494U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926283A (en) * | 2019-09-10 | 2020-03-27 | 贵州全安密灵科技有限公司 | Ignition head bridgewire brightness testing device |
-
2016
- 2016-11-24 CN CN201621274100.4U patent/CN206330494U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926283A (en) * | 2019-09-10 | 2020-03-27 | 贵州全安密灵科技有限公司 | Ignition head bridgewire brightness testing device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 Termination date: 20171124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |