CN102192691B - Quantification testing system for artillery primer output energy - Google Patents
Quantification testing system for artillery primer output energy Download PDFInfo
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- CN102192691B CN102192691B CN201110054879.4A CN201110054879A CN102192691B CN 102192691 B CN102192691 B CN 102192691B CN 201110054879 A CN201110054879 A CN 201110054879A CN 102192691 B CN102192691 B CN 102192691B
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Abstract
The invention relates to a quantification testing system for artillery primer output energy. The system comprises a trigger, a closed bomb vessel, a foundation and a priming system actuating pressure-temperature tester; the trigger and the closed bomb vessel are arranged on the foundation; the closed bomb vessel is positioned on the left side of the trigger; a temperature sensor in the priming system actuating pressure-temperature tester is arranged on the foundation and the left side of the closed bomb vessel; a pressure sensor in the priming system actuating pressure-temperature tester is arranged on the closed bomb vessel; and the axle wires of the temperature sensor, the closed bomb vessel and the trigger are aligned with one another. The quantification testing system can perform quantification testing on the output pressure, temperature and action time which can represent the artillery primer output energy and solves the problem in the process for performing quantification estimation on the artillery primer ignition capacity. The aims of performing quantified and comprehensive testing on the performance of the artillery primer and comprehensively measuring the artillery primer output capacity are fulfilled.
Description
Technical field
The present invention relates to a set of quantification testing system for artillery primer output energy, particularly a kind of Fire Reliability that can detect the various fire in a stove before fuel is added, again can quantification detects the test macro of fire in a stove before fuel is added output reliability.
Prior art
The fire in a stove before fuel is added is the first order priming system of ammunition ignition sequence, and size and change shape of its output energy have very important impact to the ballistic performance of overall ammunition, therefore, need to the output energy of the fire in a stove before fuel is added accurately be detected and be assessed.For a long time, adopt sound determining method and P-t curve maximum pressure method to judge that fire in a stove before fuel is added ignition ability exists certain not enough, just qualitative analysis.Employing is joined bullet method and is checked fire in a stove before fuel is added ignition ability to deposit difficulty both ways, only can check its suitability and can not carry out concrete every parametric analysis from joining bullet aspect on the one hand, there is no specific aim to solving quality problems and product improvement, on the other hand, test organization's scale is large, expends height.
Summary of the invention
Technical problem solved by the invention is, overcome the deficiency of above fire in a stove before fuel is added performance test means, solve quantification comprehensive assessment fire in a stove before fuel is added ignition ability problem, the test macro that provides a kind of fire in a stove before fuel is added performance quantification to detect, the characteristic parameters such as output pressure, temperature and the action time to sign fire in a stove before fuel is added output energy are tested, and accurately obtain these values of consult volume.
The present invention solves its technical problem
technical schemefor: quantification testing system for artillery primer output energy of the present invention comprises firing device, closed bomb vessel, base, initiating explosive device acting pressure-temperature tester; Described firing device, closed bomb vessel are assemblied on base, closed bomb vessel is positioned at the left side of firing device, temperature sensor in described initiating explosive device acting pressure-temperature tester is assemblied in the left side that is positioned at closed bomb vessel on base, pressure sensor in described initiating explosive device acting pressure-temperature tester is assemblied on closed bomb vessel, and the axis of described temperature sensor, closed bomb vessel and firing device aligns.
Closed bomb vessel of the present invention comprises exploder mechanism pillar, exploder mechanism bearing, exploder mechanism cover, exploder mechanism transparent cover, exploder mechanism end cap, fire in a stove before fuel is added end cap, saturating infrared withstand voltage sheet glass, red copper sealing gasket; Described exploder mechanism pillar lower end is connected with the rotating shaft of exploder mechanism rest base, and the top of exploder mechanism pillar is connected with the top of exploder mechanism bearing by a pluggable bearing pin; Exploder mechanism pillar is positioned under exploder mechanism cover centre, side, is fixed together with exploder mechanism cover; Exploder mechanism cover one end and fire in a stove before fuel is added end cap are together by a threaded connection, and the other end of fire in a stove before fuel is added end cap is provided with the fire in a stove before fuel is added, the axis coaxle of its axis of fire in a stove before fuel is added end cap and exploder mechanism cover; The exploder mechanism cover other end is equipped with exploder mechanism transparent cover successively, printing opacity is withstand voltage sheet glass and exploder mechanism end cap: exploder mechanism transparent cover right-hand member and exploder mechanism cover are threaded connection, exploder mechanism transparent cover left end and exploder mechanism end cap are threaded connection, and printing opacity is withstand voltage, and sheet glass is pressed between exploder mechanism transparent cover and exploder mechanism end cap; In overlapping the one end being connected, exploder mechanism transparent cover and exploder mechanism be provided with a cavity, in cavity, be provided with a conical protective cover, have a residue that can stop fire in a stove before fuel is added effect product at the cone angle place of conical protective cover and be not ejected on sheet glass, and can ensure the through hole that the light of some strength sees through; The axis setting of exploder mechanism end cap, exploder mechanism transparent cover, conical cover wants consistent; On the side of exploder mechanism cover, have the pressure tap for setting pressure sensor, pressure sensor end face is concordant with exploder mechanism cover inner chamber side; Be provided with the sealing gasket sealing in the threaded connection place of all parts.Its diameter of the through hole of offering on conical protective cover in described closed bomb vessel is set to 2mm～4mm.
Described firing device comprises firing device bearing, firing device cover, firing pin parts, firing device end cap, stirs spanner, pulls the trigger spanner; Described firing device bearing is assemblied on the base of quantification testing system for artillery primer output energy by guide rail, thereby and be equipped with and adjust firing device support position and can adjust the spiral guiding mechanism of firing pin end with respect to the gap of fire in a stove before fuel is added end face; Described firing device cover is arranged on firing device bearing and is set to removably connect, firing device cover can be replaced by the firing device cover of insulation material, overlap supporting firing device end cap with the firing device of insulation material and be provided with through hole, assembling copper firing pin in the firing device cover of insulation material, one end of copper firing pin is connected with electric firing wire, another electric firing wire connects the fire in a stove before fuel is added, forms electric firing loop; Described firing device is that firing pin can produce firing action, has the mechanical device of regulation percussion energy.Percussion energy should be able to meet the percussion energy that the various impacting type fires in a stove before fuel is added of percussion specify.And can form ignition loop with electric primer, meet electric primer ignition requirement.It is the important component part of a whole set of test macro.There is the effect of two aspects: (1). standard percussion energy is according to the rules bestowed effect to the tested fire in a stove before fuel is added, the Fire Reliability of the examination fire in a stove before fuel is added; (2). for next step fire in a stove before fuel is added output energy test and function reliability detection provide standard input energy, be the basis that a whole set of test macro starts.
Described priming system actuating pressure-temperature measuring device comprises temperature sensor, pressure sensor, amplifying circuit, first, second sample/hold amplifier, multiway analog switch, A/D converter, SCM system, priming system outburst testing circuit and constant-current source circuit; The output of described temperature sensor connects an input of described multiway analog switch successively through amplifying circuit, the first sample/hold amplifier; The input of output termination second sample/hold amplifier of described pressure sensor, the output of described the second sample/hold amplifier connects respectively the respective input of multiway analog switch and priming system outburst testing circuit; The input of the output termination A/D converter of described multiway analog switch, described SCM system is connected with A/D converter is two-way, the respective input of SCM system described in the output termination of described priming system outburst testing circuit; The input of constant-current source circuit described in the output termination of described SCM system, the input in the ignition loop of the output termination tested explosive of described constant-current source circuit.Described priming system actuating pressure-temperature measuring device also comprises host computer, and described host computer is connected with described SCM system is two-way.。
Initiating explosive device acting pressure-temperature tester is the high-speed data acquistion system of quantification testing system for artillery primer output energy, and its principle is: the test parameters that the test of fire in a stove before fuel is added output energy test is set; At the trial, corresponding to the output of sensor and tester input is connected; Instrument detects fire in a stove before fuel is added outburst log-on data collection automatically; Fire in a stove before fuel is added outburst detected, i.e. sampling time interval in accordance with regulations, gathers the fire in a stove before fuel is added in the stipulated time and breaks out the pressure and temperature signal quantity producing; Preserve these signal values, carry out necessary data processing, obtain surveyed actual amplitudes; The value of showing test results, and can communicate by letter with host computer, these settings and test value are sent to host computer.In described host computer, be provided with fire in a stove before fuel is added performance test data signal procedure and data processor.Wherein the function of signal procedure is: in the time that host computer is communicated by letter with SCM system described in initiating explosive device acting pressure-temperature tester, receive the fire in a stove before fuel is added test result data that tester sends, be kept in computer with text form.The text of selected test data, can show that the fire in a stove before fuel is added breaks out the pressure and temperature curve over time producing.Wherein the function of data processor is: be used for automatically processing preserving the test data being dealt in computer, obtain data and curves figure, curvilinear characteristic parameter is extracted and searched, carry out error analysis, storage result of calculation.And can be by the multi-group data recording in test be carried out, after statistical computation analysis, drawing correct conclusion.Meet the requirement of priming system output performance quantification test, for the comprehensive performance of weighing priming system provides observing and controlling condition, reached the requirement of practical application.
Beneficial effect of the present invention is as follows:
Designed closed bomb vessel in the present invention, simple in structure, compact, assembly process process is good.Can provide an airtight environment space for fire in a stove before fuel is added effect.Exploder mechanism side is provided with pressure sensor, can measure the pressure of fire in a stove before fuel is added effect product.There is the good perspective window mouth of light transmission in exploder mechanism one end, be convenient to infrared temperature sensor photosensitivity test.And conical protective cover is installed, can not be polluted by fire in a stove before fuel is added residue by cover glass sheet, affect light transmission, can make again light smoothly by the hole at cone angle place, be received by sensor.Can meet the requirement of fire in a stove before fuel is added output energy quantification integration test.
Designed firing device in the present invention, compact conformation, assembly process process is good, firing device cover etc., and parts are set to demountable structure, are convenient to change, easy and simple to handle.For the impacting type fire in a stove before fuel is added, by changing the spring of different-stiffness, can provide specified standard percussion energy, the Fire Reliability of the examination fire in a stove before fuel is added for all kinds impacting type fire in a stove before fuel is added; For the electric firing fire in a stove before fuel is added, only need change copper firing pin, insulation material firing device cover and firing device end cap parts with holes, just can form ignition loop with electric primer, meet the requirement of electric primer firing current and safe current test.The present invention can move left and right firing device by the spiral guiding mechanism arranging, and adjusts easily the gap of firing pin end and fire in a stove before fuel is added end face.The present invention has realized the generalization of fire in a stove before fuel is added performance test firing device, has simplified the operation sequence of fire in a stove before fuel is added performance test.
In the present invention, designed initiating explosive device acting pressure-temperature tester has overcome the single shortcoming of existing priming system output performance tester test parameter, provide a kind of energy to meet the requirement of simultaneously testing output pressure and two parameters of temperature, there is the function of high speed acquisition data, automatic data processing, storage data, can directly obtain the measured value of output pressure and temperature, and can provide two-way accurate steady current, to electric spark workpiece is carried out to safe current and firing current test.
And a whole set of test macro provided by the present invention has successfully solved the problem of fire in a stove before fuel is added output energy quantification test, comprehensive detection ability is strong, can realize fire in a stove before fuel is added Fire Reliability, function reliability and security are carried out to comprehensive detection.Can carry out quality testing to the various model fires in a stove before fuel is added, there is the wide feature of detected object.By pressure, the temperature and time characteristic parameter of dynamic test fire in a stove before fuel is added mechanism, quantification has been examined the function reliability of the fire in a stove before fuel is added, by the analysis to test data, can grasp more accurately the quality information of the fire in a stove before fuel is added, has realized quantification test and appraisal.Observation and control technology advanced person, integrated degree is high, has realized many reference amounts, high-accuracy data acquisition and processing under detonation severe rugged environment.Good operability, convenient and practical, the scope of application is wide, both can meet army the equipment ammunition fire in a stove before fuel is added is carried out to quality-monitoring, also can meet research unit to carrying out quantitative analysis grinding product.
Brief description of the drawings
Fig. 1 is the assembling schematic diagram of base, closed bomb vessel, firing device and temperature sensor and pressure sensor in the present invention,
Fig. 2 is the schematic diagram of closed bomb vessel general assembly described in the present invention,
Fig. 3 is exploder mechanism seat structure schematic diagram of the present invention,
Fig. 4 is that schematic diagram is looked on a left side for exploder mechanism cover of the present invention,
Fig. 5 is the generalized section of exploder mechanism transparent cover of the present invention,
Fig. 6 is that schematic diagram is looked on a left side for exploder mechanism transparent cover of the present invention,
Fig. 7 is the generalized section of fire in a stove before fuel is added end cap of the present invention,
Fig. 8 is that schematic diagram is looked on the right side of fire in a stove before fuel is added end cap of the present invention,
Fig. 9 is firing device general assembly schematic diagram in the present invention,
Figure 10 is firing device understructure schematic diagram in the present invention,
Figure 11 is firing device seat structure schematic diagram in the present invention,
Figure 12 be Figure 11 A-A to cutaway view,
Figure 13 is the structural representation of firing device cover in the present invention,
Figure 14 is the structural representation of firing device end cap in the present invention,
Figure 15 is the structural representation of firing pin parts in the present invention,
Figure 16 is the structural representation of toggle mechanism in the present invention,
Figure 17 is the structural representation of firing lock in the present invention,
Figure 18 is the theory diagram of priming system actuating pressure-temperature measuring device in the present invention,
Figure 19 is the circuit theory diagrams (except constant-current source circuit) of priming system actuating pressure-temperature measuring device in the present invention;
Figure 20 is the circuit theory diagrams of the constant-current source circuit of priming system actuating pressure-temperature measuring device in the present invention,
Figure 21 is signal procedure flow chart in host computer in priming system actuating pressure-temperature measuring device in the present invention,
Figure 22 is data processor flow chart in host computer in priming system actuating pressure-temperature measuring device in the present invention.
Detailed description of the invention
Embodiment as shown in accompanying drawing 1-20 is known, and the present embodiment comprises firing device 4, closed bomb vessel 2, base 5, initiating explosive device acting pressure-temperature tester; Described firing device 4, closed bomb vessel 2 are assemblied on base 5, closed bomb vessel 2 is positioned at the left side of firing device 4, temperature sensor 1 in described priming system actuating pressure-temperature test is assemblied in the left side that is positioned at closed bomb vessel 2 on base 5, pressure sensor 3 in described priming system actuating pressure-temperature test is assemblied on closed bomb vessel 2, and the axis of described temperature sensor 1, closed bomb vessel 2 and firing device 4 aligns.
As shown in accompanying drawing 2 to 8, the designed closed bomb vessel of the present embodiment adopts special steel material, is made up of exploder mechanism bearing a1, exploder mechanism pillar a7, exploder mechanism cover a3, exploder mechanism transparent cover a2, exploder mechanism end cap a10, fire in a stove before fuel is added end cap a5, withstand voltage transparent glass sheet a11, red copper sealing gasket and pressure relief plug etc.
From accompanying drawing 2,3, exploder mechanism bearing a1 is assemblied on base 5.On the base plate of exploder mechanism bearing a1, there are two supports of height, on high trestle, have upper and lower two holes, on low trestle, have a hole.The internal diameter 35.68mm of cylindrical exploder mechanism cover a3, external diameter 80mm.In exploder mechanism cover middle part, a3 side, be welded with a cuboid exploder mechanism pillar a7, pillar is upper and lower has two holes.When installation, the hole of correspondence position on two holes of pillar a7 and bearing 1 is aligned, wherein, the hole of bottom links together with screw and nut, and two holes on top can be blocked with cone pin a6.Unloading cone pin exploder mechanism cover can rotate around trunnion axis, so that the handling fire in a stove before fuel is added.One end of exploder mechanism cover a3 is connected with fire in a stove before fuel is added end cap a5 by screw thread, and the other end is connected with exploder mechanism transparent cover a2 by screw thread, and perspective window mouth is for infrared temperature sensor photosensitivity test.
From accompanying drawing 2,4, on exploder mechanism cover a3 side, have a pressure tap a4, be connected with pressure sensor 3 by screw thread, on the pad of threaded connection place, copper washer seals.In the exploder mechanism cover position vertical with pressure tap, side, have a relief hole a9, can connect with pressure relief plug by screw thread.There is a M3 screw a8 exploder mechanism cover right-hand member below, is used for connecing a wire in electric primer ignition loop.
From accompanying drawing 5,6, exploder mechanism transparent cover a2 center is a through hole, and respectively there is a cavity at transparent cover two ends.In cavity near exploder mechanism cover one end, conical protective cover a12 is installed, its cone angle place Circularhole diameter is 2mm～4mm.In other end cavity, place the withstand voltage sheet glass a11 of printing opacity, and exploder mechanism end cap a10 is screwed into cavity pressed glass sheet a11 by screw thread.The cylindrical component that exploder mechanism end cap Wei Yi center is with holes.When installation, the axis of exploder mechanism end cap a10, exploder mechanism transparent cover a2, conical protective cover a12 will to overlap a3 axis consistent with exploder mechanism.
From accompanying drawing 7,8, fire in a stove before fuel is added end cap a5 center is a through hole, and the screw-in fire in a stove before fuel is added and the forced fire in a stove before fuel is added can be installed, and when installation, its axis should to overlap axis consistent with exploder mechanism.
As shown in Figure 9, the designed firing device of the present embodiment mainly by firing device bearing b2, firing device cover b4, positioning key b5, firing pin b6, percussion spring, firing device end cap b7, percussion spanner b3, stir spanner b8, adjust screw rod b9 and form.
As shown in Fig. 9,10, hit into as described in the base 5 of quantification testing system for artillery primer output energy, be the cuboid that Steel material is made, the right and left has guide rail.Firing device bearing b2 is assemblied on base 5 and can moves left and right along guide rail.Above the right-hand member of base 5, be welded with a support, support is for falling " V " font, and top is processed as circular-arc.Near top end, have a screw at the center of support, adjust swing arm b9 and pass from this hole, b2 is connected with firing device bearing.Screw and adjustment swing arm have screw thread, and swing arm b9 is adjusted in rotation, can make to adjust swing arm and move left and right, thereby firing device bearing b2 is moved left and right, and adjusts the gap of firing pin end face and fire in a stove before fuel is added end face.
The body that firing device bearing b2 is whole firing device as shown in Figure 11,12.There is a circular hole b10 top, can firing device cover is also fixing from front end is put into circular hole.Have a breach b12 at bearing top, the breach that can put with firing device coordinates, and inserts alignment pin and locates.In bearing body inside, there are toggle mechanism and firing lock.Below circular hole, there is a gap slot b11, provide rotation space for stirring son, and be convenient to install and stir son.
Firing device cover is a cylindrical shape as shown in figure 13.There is the hit pinhole b13 of taper at left end cap center.Below cylinder left end, have a rectangle breach b14, stir son and can stir firing pin by this breach.For the electric firing fire in a stove before fuel is added, firing device is applied mechanically nylon material and is made, to keep insulation.Firing device has put a breach, coordinates with the breach at bearing top, inserts alignment pin and locates.
Described firing device end cap b7 is as shown in figure 14 threaded connection the right-hand member at the cover of firing device as shown in figure 13, can fix to assemble as shown in figure 15 firing device and overlap inner firing pin spring b16, firing pin b15, b17 firing pin lid.It can also be fixedly clamped firing device cover and firing device bearing simultaneously.
Be firing pin parts in the present embodiment as shown in figure 15, it is made up of firing pin b15, firing pin spring b16 and firing pin lid b17, and firing pin spring b16 withstands on after firing pin b15, at the fixing firing pin lid b17 of spring right-hand member, when installation, firing pin parts entirety is put into firing device sleeve.For electric primer, need to adopt copper firing pin.
As known in Figure 16, Figure 17, there are cannelure and cross-drilled hole in the present embodiment bearing inside, toggle mechanism and firing lock are installed.Toggle mechanism by bearing b20, connecting axle b21, stir sub-axle b22, stir sub-b23, spring b18, stir bayonet lock b19 and form.On sub-axle, there is a draw-in groove stirring.Stir the breach that son is positioned at firing device cover below.Stir spanner by pulling clockwise, drive connecting axle, stir sub-axle and stir son and rotate, stir son and can stir firing pin, make to move and pull the trigger spring-compressed after firing pin.Percussion spring-compressed, after regulation displacement, is stirred bayonet lock b19 and is moved under spring b18 effect, is stuck in the draw-in groove of stirring sub-axle and locates, in percussion state.Pull percussion spanner, drive lever b25 through lever shaft b24, make lever b26 in body drive bayonet lock to decline, throw off the draw-in groove of stirring sub-axle, firing pin, under the effect of percussion spring, moves rapidly forward, produces firing action.
Embodiment as shown in from Fig. 1 and Figure 18-Figure 20, the present embodiment comprises temperature sensor, pressure sensor, amplifying circuit, first, second sample/hold amplifier, multiway analog switch, A/D converter, SCM system, priming system outburst testing circuit and constant-current source circuit; The output of described temperature sensor connects an input of described multiway analog switch successively through amplifying circuit, the first sample/hold amplifier; The input of output termination second sample/hold amplifier of described pressure sensor, the output of described the second sample/hold amplifier connects respectively the respective input of multiway analog switch and priming system outburst testing circuit; The input of the output termination A/D converter of described multiway analog switch, described SCM system is connected with A/D converter is two-way, the respective input of SCM system described in the output termination of described priming system outburst testing circuit; The input of constant-current source circuit described in the output termination of described SCM system, the input in the ignition loop of the output termination tested explosive of described constant-current source circuit.
The present embodiment also comprises host computer, and described host computer is connected with described SCM system is two-way.
Described amplifying circuit is by operational amplifier A 1-A2 and peripheral cell resistance R 1-R2 thereof, capacitor C 1-C2, socket J1 composition, described socket J1 is connected with the output of described temperature sensor, the model of described temperature sensor is SCIT-ISDF, input 3 pin of described operational amplifier A 1 connect the Siout end of described socket J1, output 1 pin of described operational amplifier A 1 connects its input 2 pin, and resistance R 1 is connected between the Siout end and SGND end of described socket J1; Input 5 pin of described operational amplifier A 2 connect the Geout end of described socket J1, and described resistance R 2 is connected between the Geout end and SGND end of socket J1, and output 7 pin of described operational amplifier A 2 connect its input 6 pin; Described Siout end and Geout end and SGND hold two outputs and the earth terminal that are respectively temperature sensor;
Described the first sample/hold amplifier keeps module U1-U2 and peripheral cell potentiometer RP1-RP2, capacitor C 3-C4 to form by sampling; Described sampling keeps input 2 pin of module U1 to connect output 1 pin of described operational amplifier A 1, and described potentiometer RP1 is connected between 3 pin and 5 pin of sampling maintenance module U1, and the swing arm of potentiometer RP1 connects 4 pin that sampling keeps module U1; Described sampling keeps input 2 pin of module U2 to connect output 7 pin of described operational amplifier A 2, and potentiometer RP2 is connected between 3 pin and 5 pin of sampling maintenance module U2, and the swing arm of potentiometer RP2 connects 4 pin that sampling keeps module U2.
Described the second sample/hold amplifier keeps module U3 and peripheral cell potentiometer RP3, capacitor C 5 and socket J2 to form by sampling; Described socket J2 is connected with the output of described pressure sensor, and the model of described pressure sensor is CYG1401HFT;
Described sampling keeps input 2 pin of module U3 to connect the Pout end of described socket J2, and potentiometer RP3 is connected between 3 pin and 5 pin of described sampling maintenance module U3, and the swing arm of potentiometer RP3 connects 4 pin that sampling keeps module U3; The output that described Pout end is described pressure sensor.
Described multiway analog switch is made up of multiway analog switch module U4 and peripheral cell capacitor C 6-C7 thereof, and the input 5-7 pin of described multiway analog switch module U4 connects respectively output 8 pin that described sampling keeps module U4, U2, U3; 5 pin of described A/D modular converter U5 and 14 pin connect respectively AGND end and DGND end, and AGND end is connected with DGND end.
Described A/D converter is made up of A/D modular converter U5 and peripheral cell potentiometer RP4-RP5 thereof, resistance R 3-R5, capacitor C 8-C11; Input 1 pin of described A/D modular converter U5 connects output 8 pin of described multiway analog switch module U4 through resistance R 3;
After potentiometer RP4 is in parallel with potentiometer RP5, be connected between 27 pin and 5 pin of A/D modular converter U5, the swing arm of potentiometer RP5 connects input 1 pin of A/D modular converter U5 through resistance R 4, and the swing arm of potentiometer RP4 connects 3 pin of A/D modular converter U5 through resistance R 5.
Described SCM system is by single-chip microcomputer U6 and peripheral cell crystal Y1 thereof, exclusion RN, resistance R 6, capacitor C 12-C15, NAND gate U11-1-U11-2, post, address device U11 and peripheral cell capacitor C 16 thereof, address latch U7 and peripheral cell capacitor C 17 thereof, data storage U8 and peripheral cell capacitor C 18-C19 thereof, with door U9-1, liquid crystal display U12 and peripheral cell nor gate U10-1-U10-2 thereof, NAND gate U9-2, transistor Q1, resistance R 7, potentiometer RP6, keyboard input interface module U13 and peripheral cell capacitor C 20 thereof form, the input port P00-P07 of described single-chip microcomputer U6 is connected with the output port D0-D7 of described A/D modular converter U5 by bus.
Described priming system outburst testing circuit is made up of voltage comparator A3 and peripheral cell resistance R 7-R9 thereof, capacitor C 21; Resistance R 7 connect with resistance R 8 after between be connected on+5V and AGND end, the node of resistance R 7 and resistance R 8 connects input 2 pin of voltage comparator A3, input 3 pin of voltage comparator A3 connect output 8 pin that described sampling keeps module U3, and output 1 pin of voltage comparator A3 connects 13 pin of described single-chip microcomputer U6; The earth terminal that described AGND end is the analog circuit of described tester.
Described constant-current source circuit is made up of 50mA constant-current source, 4A constant-current source, power indicating circuit and socket J3; 50mA constant-current source is by constant current device HL1 and peripheral cell optocoupler GO1 thereof, form with a door U14-1, resistance R 10 and potentiometer RP7,2 pin of optocoupler GO1 are successively through resistance R 10, connect the P1.1 mouth of described single-chip microcomputer U6 with door U14-1,5 pin of optocoupler GO1 connect the C utmost point of constant current device HL1 through socket J3,4 pin of optocoupler GO1 connect DGND end, the earth terminal that described DGND end is the digital circuit of described tester, the output terminals A utmost point of constant current device HL1 connects input 2 pin of described ignition loop DHL through socket J3, potentiometer RP7 is connected between the G utmost point and the C utmost point of constant current device HL1;
4A constant-current supply is by constant current device HL2 and peripheral cell three terminal regulator U15 thereof, FET Q2, potentiometer RP8, resistance R 11-R13, with door U14-2, optocoupler GO2 composition, 2 pin of optocoupler GO2 are successively through resistance R 11, connect the P1.2 mouth of described single-chip microcomputer U6 with door U14-2, connect+the 24V of 5 pin of optocoupler GO2, 4 pin of optocoupler GO2 are through the node of socket J3 connecting resistance R12 and resistance R 13, resistance R 12 is connected on after connecting with resistance R 13 between the G utmost point and DGND end of FET Q2, 3 pin of constant current device HL2 connect 1 pin of three terminal regulator U15, output 4 pin of constant current device HL2 connect the S utmost point of FET Q2, the D utmost point of FET Q2 connects input 2 pin of described ignition loop GHL through socket J3, connect+the 24V of 1 pin of described ignition loop DHL, connect+the 24V of 3 pin of three terminal regulator U15, its 2 pin connects DGND end, potentiometer RP8 is connected between 1 pin and 2 pin of constant current device HL2,
Described power indicating circuit is made up of LED 1 and resistance R 14, LED 1 connect with resistance R 14 after between be connected on+24V and DGND end.
The operation principle of the present embodiment is as follows:
Because the emissivity of priming system outburst afterproduct is uncertain, produce in addition a large amount of smog and solidifying phase particle, so adopt colorimetric formula (two waveband) infrared temperature-test sensor, its temperature be by two independently in wavelength band the ratio of emittance determine, therefore when measured target is very little, be not full of objective angular field, on Measure Channel, exist smog, dust etc. to stop, when emittance is had to decay, measurement result is not produced to significant impact.With colorimetric formula infrared temperature-test technology, its advantage is fast response time, and measurement category is wide, measures temperature and approaches actual value; Do not need to know the emissivity of material, anti-smog, steam and dust ability are strong, and thermometric is not affected by infrared window glass, can aim at, measure little target, measure and not limited by distance coefficient.Color comparison temperature measurement is that the temperature variant characteristic of ratio of the monochromatic radiation brightness under two wavelength according to same testee is as temperature-measurement principle.According to the theoretical calculation to priming system output temperature, adopt Si and Ge bi-coloured light electric transducer to carry out temperature test, concrete model is the non-linear infrared temperature sensor of SCIT-1SDF type colorimetric high speed.
The model of described pressure sensor is CYG1401HFT.This high-temperature-resistant high-frequency dynamic pressure transducer is to utilize silicon piezoresistive effect principle design, only 2mm of its sensing element diameter, and the width of the quick silicon foil gauge of power is only 0.01mm, it has up to the intrinsic frequency of hundreds of KHz amounts and is low to moderate fast rise time of submicrosecond.
As shown in Figure 1, described temperature sensor 1 is arranged on the left side of closed bomb vessel 2, and described pressure sensor 3 is arranged on the upper side of closed bomb vessel 2.
Described priming system outburst testing circuit, voltage comparator A3 be a kind of high speed and precision voltage ratio compared with device, voltage reference is set to 0.125V, in the time that closed bomb vessel 2 internal pressures are less than 0.5MPa, pressure sensor 3 outputs are less than 0.125V, and 7 pin of A3 are output as high level.In the time that closed bomb vessel 2 internal pressures are greater than 0.5MPa, the output of pressure sensor 3 is greater than 0.125V, and 7 pin of A3 are output as low level.The level that detects the P3.3 of single-chip microcomputer U6, just can judge whether priming system breaks out, and gathers commencing signal as log-on data.
Figure 20 is the circuit theory diagrams of described constant-current source circuit, adopts High Precision Constant Current Source device, and two constant-current sources are controlled with P1.1 and the P1.2 of single-chip microcomputer U6 respectively.In the time of P1.1=0, the constant current device HL1 conducting of 50mA constant-current source, when P1.1=1, HL1 cut-off.In the time of P1.2=0, the constant current device HL2 conducting of 4A constant-current source, when P1.2=1, HL2 cut-off.Switch for fear of large electric current affects single chip circuit, power circuit and other circuit is kept apart with photoelectrical coupler GO1, doubles as the switch of HL1.The maximum of HL1 is electric current I F=100mA forward, colelctor electrode-emitter stage maximum leakage current 100nA, and maximum is opened μ s time delay 0.35, maximum turn-off delay time 55 μ s.Field-effect transistors Q2 realizes the switch to HL2, and the feature of field-effect transistor Q2 is " low pressure, large electric current ", " inside connecing source-leakage diode ", " being suitable for doing high energy pulse circuit ".The minimum 27A that allows of on-state drain current, maximum 0.085 Ω of static drain-source conducting resistance, the maximum 100nA of drain-source leakage current.Open maximum 30ns time delay, the maximum 80ns of turn-off delay time, source-drain breakdown voltage 100V.
For electric spark workpiece, this tester adopts two-way constant-current source, and one is that electric spark workpiece safe current detects, and applies 50mA electric current should not get angry for 1 minute to electric spark workpiece.One is that electric spark workpiece firing current detects, and applies 4A firing current 2ms planted agent and gets angry.The precision constant current source device that this tester adopts makes substantial progress in Low Drift Temperature, low noise problem, and current temperature coefficient is low.
For impacting type priming system, percussion adopts artificial trigger method, and single-chip microcomputer and priming system percussion do not have the signal of telecommunication to contact, thereby needs design priming system outburst testing circuit, as the signal that starts timing A/D conversion.
Design data communication line between this tester and host computer, can be sent to host computer test data, can preserve mass data, can show again test data and time curve.
In the present embodiment, single-chip microcomputer U6 selects the single chip computer AT 89C55WD/24PI that American ATMEL is produced.The model of operational amplifier A 1, A2 is MAX478EPA.It is AD585AQ that sampling keeps the model of module.The model of A/D modular converter is ADS7805D.The model of multiway analog switch is MAX308CPE.
In the present embodiment, data communication system adopts RS232 serial communication method as shown in Figure 21, and computer program is write with VB6.0.SCM system and host computer are in accordance with following communication protocol: baud rate=9600; Verification mode: nothing; Data bits: 8; Stop bits: 1.
Communication steps is: 1.. first communication cable is connected, tester and host computer are coupled together, then drive host computer and tester.
2.. carry out host computer " fire in a stove before fuel is added ignition quality test data communication system " software, make host computer in receiving wait state;
3.. carry out tester signal procedure, first tester sends an ASCII character to host computer, after host computer receives, immediately this code is returned to tester, tester receives the correct code of host computer feedback, and proof system, in exact connect ion state, then sends data to host computer; The code that host computer beams back as received is incorrect, sends one " e " as notification signal to host computer.
4.. click host computer communication software " reception data " button, make system in " wait and send data mode ".
5.. wait under operational order state and press " communication " key at tester, select the data that will transmit according to lcd screen prompting, selected rear " confirmation " key of pressing, lcd screen shows that tester is transmitting data.
6.. host computer receives after the data of tester transmission, fire in a stove before fuel is added ignition quality test data communication system is " arrangement result data " file " primary reception data " file consolidation, then click " save data " button, system further saves as every the fire in a stove before fuel is added test data graphic file of the text of " DH+ date of test+actual measurement sequence number+.TXT " and the bitmap format of " DH+ date of test+actual measurement sequence number+.bmp " according to " arrangement result data " file.Text can be for data processing and routine analyzer, so that further analytical test data, graphic file can be seen surveyed data variation trend.
7.. click " exiting " button and can exit " fire in a stove before fuel is added ignition quality test data communication system ".
In the present embodiment, data handling system adopts the object-oriented GUI of matlab to programme as shown in Figure 22, system is made up of graphical interfaces part and operation part two parts, user, by operation graphical interfaces, carries out reading and processing of data file, and realizes the storage of result.Native system is in the above environment operation of matlab6.0, and the operation catalogue of program need to be under the working directory of matlab.This system comprises following functional module:
One, original data processing and figure build: to collect based on seasonal effect in time series pressure and temperature data, carry out drawing reappeared, carry out Function Fitting, carry out the extraction of critical data and search, as required to extracting situation of change, the extreme value of pressure and temperature and the integration of time being carried out to computing.Directly utilize the Plotting Function of matlab, the data that collect are carried out to image reconstruction.According to the needs of demonstration and sequential operation, the interval significantly time interval of feature is carried out to independent drawing reappeared.The result stores that same group of difference numbered are in same file.
Two, interpretation of result: the function of interpretation of result is mainly to provide to be analyzed the test result of same group of sample, and possess the function of analysis processing result deposit.
Three, statistics: function is that group operation result is carried out to Probability estimate and analysis, for judgement provides foundation.
Four, system results: function is that test result is analyzed, obtains final judgement conclusion.
Claims (1)
1. a quantification testing system for artillery primer output energy, is characterized in that: described quantification testing system for artillery primer output energy comprises firing device, closed bomb vessel, base, initiating explosive device acting pressure-temperature tester; Described firing device, closed bomb vessel are assemblied on base, closed bomb vessel is positioned at the left side of firing device, temperature sensor in described initiating explosive device acting pressure-temperature tester is assemblied in the left side that is positioned at closed bomb vessel on base, pressure sensor in described initiating explosive device acting pressure-temperature tester is assemblied on closed bomb vessel, and the axis of described temperature sensor, closed bomb vessel and firing device aligns;
Described closed bomb vessel comprises exploder mechanism pillar, exploder mechanism bearing, exploder mechanism cover, exploder mechanism transparent cover, exploder mechanism end cap, fire in a stove before fuel is added end cap, saturating infrared withstand voltage sheet glass, red copper sealing gasket; Described exploder mechanism pillar lower end is connected with the rotating shaft of exploder mechanism rest base, and the top of exploder mechanism pillar is connected with the top of exploder mechanism bearing by a pluggable bearing pin; Exploder mechanism pillar is positioned under exploder mechanism cover centre, side, is fixed together with exploder mechanism cover; Exploder mechanism cover one end and fire in a stove before fuel is added end cap are together by a threaded connection, and the other end of fire in a stove before fuel is added end cap is provided with the fire in a stove before fuel is added, the axis coaxle of its axis of fire in a stove before fuel is added end cap and exploder mechanism cover; The exploder mechanism cover other end is equipped with exploder mechanism transparent cover successively, printing opacity is withstand voltage sheet glass and exploder mechanism end cap: exploder mechanism transparent cover right-hand member and exploder mechanism cover are threaded connection, exploder mechanism transparent cover left end and exploder mechanism end cap are threaded connection, and printing opacity is withstand voltage, and sheet glass is pressed between exploder mechanism transparent cover and exploder mechanism end cap; In overlapping the one end being connected, exploder mechanism transparent cover and exploder mechanism be provided with a cavity, in cavity, be provided with a conical protective cover, have a residue that can stop fire in a stove before fuel is added effect product at the cone angle place of conical protective cover and be not ejected on sheet glass, and can ensure the through hole that the light of some strength sees through; The axis setting of exploder mechanism end cap, exploder mechanism transparent cover, conical cover wants consistent; On the side of exploder mechanism cover, have the pressure tap for setting pressure sensor, pressure sensor end face is concordant with exploder mechanism cover inner chamber side; Be provided with the sealing gasket sealing in the threaded connection place of all parts; In the exploder mechanism cover position vertical with pressure tap, side, have a relief hole, connect with pressure relief plug by screw thread;
Described firing device comprises firing device bearing, firing device cover, firing pin parts, firing device end cap, stirs spanner, pulls the trigger spanner; Described firing device bearing is assemblied on the base of fire in a stove before fuel is added Performance Test System by guide rail, thereby and be equipped with and adjust firing device support position and can adjust the spiral guiding mechanism of firing pin end with respect to the gap of fire in a stove before fuel is added end face; Described firing device cover is arranged on firing device bearing and is set to removably connect, firing device cover can be replaced by the firing device cover of insulation material, overlap supporting firing device end cap with the firing device of insulation material and be provided with through hole, assembling copper firing pin in the firing device cover of insulation material, one end of copper firing pin is connected with electric firing wire, another electric firing wire connects the fire in a stove before fuel is added, forms electric firing loop;
Described priming system actuating pressure-temperature measuring device comprises temperature sensor, pressure sensor, amplifying circuit, first, second sample/hold amplifier, multiway analog switch, A/D converter, SCM system, priming system outburst testing circuit and constant-current source circuit; The output of described temperature sensor connects an input of described multiway analog switch successively through amplifying circuit, the first sample/hold amplifier; The input of output termination second sample/hold amplifier of described pressure sensor, the output of described the second sample/hold amplifier connects respectively the respective input of multiway analog switch and priming system outburst testing circuit; The input of the output termination A/D converter of described multiway analog switch, described SCM system is connected with A/D converter is two-way, the respective input of SCM system described in the output termination of described priming system outburst testing circuit; The input of constant-current source circuit described in the output termination of described SCM system, the input in the ignition loop of the output termination tested explosive of described constant-current source circuit; Described priming system actuating pressure-temperature measuring device also comprises host computer, and described host computer is connected with described SCM system is two-way;
Its diameter of the through hole of offering on conical protective cover in described closed bomb vessel is set to 2mm～4mm.
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| CN111121566B (en) * | 2020-03-08 | 2025-03-18 | 中国人民解放军32272部队51分队 | A multiple-shot primer ignition tester |
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