CN101403592A - Transmitting-receiving integrated light screen target apparatus and its test method - Google Patents
Transmitting-receiving integrated light screen target apparatus and its test method Download PDFInfo
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- CN101403592A CN101403592A CNA2008102320899A CN200810232089A CN101403592A CN 101403592 A CN101403592 A CN 101403592A CN A2008102320899 A CNA2008102320899 A CN A2008102320899A CN 200810232089 A CN200810232089 A CN 200810232089A CN 101403592 A CN101403592 A CN 101403592A
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Abstract
The invention discloses a light screen device with sending and receiving functions and a test method of the light screen. A light source and a receiving light device are installed on a circuit board to form a detection device main body with sending and receiving functions, and the light is reflected by an illuminator to form a detection screen. The detection device and the reflecting device are both provided with angle regulatory mechanisms with the same structure, the angle regulatory mechanism can adjust the angle of an incidence screen and a reflecting screen to ensure the angle between two screens by cooperating with the light screen. The main light axis of the light-emitting device is ensured to be at the same plane with the main light axis of the receiving device. The light screen device has the advantages of simple structure, fewer links, small cumulative error, high measurement precision, and convenient assembling; the light screen device not only can be used for measuring the speed of a pellet, but also used for carrying out the denseness degree test and the measurement of pellet flying angle and direction; and the light screen device broadens the measurement scope of the pellet.
Description
Technical field
The invention belongs to the shooting range measurment technical field, relate generally to a kind of light curtain target and method of testing of measuring various bore flight velocity of shot and closeness, the light curtain target device of particularly a kind of light source and receiving system unification.Specifically be a kind of light curtain target device and light curtain target method of testing of receiving and dispatching unification.
Background technology
In the dirt of grenade and propellant powder produced and develops, muzzle velocity was to survey parameter, adopted four light curtain targets to form certain formation, can test bullet target dispersion, if adopt six light curtain targets to form certain formation, gone out outside the speed closeness, can also test the velocity of shot vector.In four light curtains or six light curtain test macros, the geometric angle measure error of light interlude directly influences the precision of the final parameter of surveying.At present, light curtain target has been widely used in various target ranges, realizes the measurement of bullet speed and closeness.The critical piece of light curtain target has emitter (also being light source), receiving system and signal processing circuit.Emitter and receiving system form the light curtain in the space, the photoelectric detector of light from light source process light curtain arrival receiving system in the light curtain.When flyer passes, cover a part of light, thereby cause and arrive the well-illuminated variation of photoelectric detector glazing, and then cause the variation of detector photoelectric current, the photo-signal of faint variation is amplified and handled to signal processing circuit, finally exports a representative and pass light curtain electric impulse signal constantly.Two light curtain targets cooperate with a tester, by the spacing horology can the test flight object speed.
For testing the speed of flight bullet, the main at present equipment that adopts this ray machine electricity of light curtain target one, those skilled in the art are also constantly to its improvement, to obtain higher certainty of measurement, as Chinese patent ZL03105699.7, CN89102652, CN200620134458.7, CN200420007418.7, the XGK-91-I type that also has target range large tracts of land at home to use test the speed light curtain target and XGK-2002 type light curtain target.Above light curtain target adopts the method for light source direct projection receiving system, and just light source and receiving system are arranged in the both sides of the light curtain that forms.When adopting four light curtain targets or six light curtain targets to make up the upright target test macro of four light curtains and six light curtains, the light curtain target of this structure is difficult to guarantee the geometric angle of each light curtain target light interlude, also is not easy to measure the geometric angle value.
Project team of the present invention is devoted to the equipment and the target range measurement technical research of shooting range measurment for a long time.Project team is retrieved domestic and international patent documentation and the journal article of publishing by the existing data in internet and library in the recent period, finds report or the document closely-related and the same with the present invention as yet.
Summary of the invention
The objective of the invention is at the prior art present situation, overcome the shortcoming that above-mentioned technology or device exist, a kind of light curtain target device and light curtain target method of testing of receiving and dispatching unification is provided.This apparatus structure is simple, the angle of light interlude is regulated easily, guarantees the geometric angle of each light curtain target light interlude, is very easy to form velocity-measuring system or the required light curtain formation of closeness test macro, applied in any combination obtains the flight bullet geometric angle value that is not easy to measure.
Below the present invention is described in detail
Technical scheme of the present invention is achieved in that
The present invention is a kind of light curtain target device of receiving and dispatching unification, include sniffer, reflection unit, calculagraph, signal processing circuit, it is characterized in that: include light curtain aligning device in the light curtain target device of transmitting-receiving unification, sniffer and the reflection unit all angle adjusting mechanism by same version are installed on separately the frame for movement; Sniffer in the light curtain target device of transmitting-receiving unification is made of transmitting-receiving unification sonde body, light curtain indicating device, sniffer frame for movement and angle adjusting mechanism, transmitting-receiving unification sonde body, diaphragm and light curtain indicating device are installed on the sniffer frame for movement, transmitting-receiving unification sonde body is to be spaced the array that is in line by receiving device and luminescent device, evenly distributing is installed on the same strip circuit board, and the sensitive area of device points to consistent; By adjusting main shaft that angle adjusting mechanism guarantees the light main shaft that penetrates from luminescent device and receiving device reception light on a plane, the light main shaft of receiving device of the mutual correspondence in the linear array [101] and luminescent device is parallel to each other; Reflection unit is made up of mirror surface, angle adjusting mechanism and reflection unit frame for movement, on the reflection unit frame for movement mirror surface is installed, mirror surface is a strip, and its length is corresponding with transmitting-receiving unification sonde body, and form relative with sniffer of reflection unit surveyed the light curtain; Signal processing circuit, include signal amplification circuit and align voltage amplifier circuit, all photoelectric receiving device tandems in the sniffer form a circuit junction, pass through selector switch, selected institute place in circuit, in light curtain target device cloth target installation process, circuit junction meets the people and aligns voltage amplifier circuit, after aligning end, circuit junction connects people's signal amplification circuit.
For a long time, carrying out light curtain target that bullet tests the speed continues to use light-emitting device and receiving system always and splits with both sides and constitute the light curtain of catching the bullet signal jointly, though can realize testing the speed of bullet, but when the light curtain adopts many during to combination, the geometric angle of each light curtain target is difficult to accurately guarantee, has influenced certainty of measurement.The present invention is spaced the array that is in line with receiving device and luminescent device and is installed on a side, cooperates reflection unit to form the light curtain of catching the bullet signal, and is not only simple in structure, and installs easy to operately, improved testing efficiency.The present invention is provided with angle adjusting mechanism in whole mechanism, and be equipped with and aligned display circuit and light curtain indicating device, make the present invention not only structure guaranteed that the main shaft of the light main shaft that luminescent device penetrates in the target surface and receiving device reception light is on a plane; When especially adopting a plurality of light curtain target applied in any combination, cloth target, installation, debugging routine and amplifying circuit are also interrelated, form one, have eliminated the geometric angle error of each light interlude, have improved certainty of measurement, have widened measurement category.
Realization of the present invention also is: sniffer and reflection unit are by linking into an integrated entity of connecting rod measuring light curtain.Be to realize that by special structure sniffer and reflection unit link into an integrated entity like this.Be simple in structure, use flexibly that easily processing easily realizes a little.
Realization of the present invention also is: sniffer and reflection unit are fixed into integral form without connecting rod, sniffer and reflection unit are separately fixed on the wall on shooting lane both sides, or on other relative supports, by adjusting device, it are aligned.
More than two kinds sniffer and reflection unit are fixed into integral form can select according to concrete place and condition.
Realization of the present invention also is: the mirror surface of reflection unit is made of the whole plane mirror of one side.
Realization of the present invention also is: the minute surface of reflection unit is spliced to form plane mirror by a plurality of minute surfaces.
Realization of the present invention also is: the light curtain indicating device that is installed on the circuit board two ends of sniffer adopts laser instrument to constitute.
The present invention still is a kind of light curtain target method of testing, it is characterized in that: adopt the light curtain target of two pairs of transmitting-receiving unifications, with the light curtain target arranged parallel of two pairs of transmitting-receiving unifications, carry out the flight bullet is tested the speed.
The present invention is as the light curtain target method of testing, and the test light curtain with two sniffers and a reflection unit formation certain angle is used for the test of bullet closeness.
Because the present invention is produced on luminescent device and receiving device on the same circuit board, is installed on the same side of target surface, adopt speculum to constitute the light curtain, principle is simple, and is simple in structure, with low cost.Adopted sniffer and reflection unit additional angle governor motion and to the technical scheme of positive circuit and light curtain indicating device simultaneously, angle by the rotary reflection device, or the angle by the rotated detection device, all can regulate the angle of incident light curtain and reverberation curtain, be easy to guarantee two light curtains between angle.The adjustment that has fundamentally guaranteed single light curtain is easy, especially when a plurality of light curtain target applied in any combination, its single target align and each target between angle adjustment all become very easy.Because of the structure link is few, also reduce accumulated error, thereby improved certainty of measurement, because convenient combination not only can be used for testing the speed of bullet, can also carry out the test of closeness and the mensuration in the good orientation of projectile flight angle, widened the test specification of bullet.
Description of drawings:
Fig. 1 is a sniffer structural representation of the present invention;
Fig. 2 is the composition schematic diagram that the light curtain aligns principle among the present invention;
Fig. 3 is the present invention with the connecting rod geochemical exploration photometry curtain schematic diagram that links into an integrated entity;
Fig. 4 is the measuring principle figure that is formed by two pairs of sniffers and reflection unit among the present invention;
Fig. 5 is the detection light curtain that the present invention forms certain angle;
The specific embodiment:
The present invention is described in detail below in conjunction with accompanying drawing
Embodiment 1: the present invention is a kind of light curtain target device of receiving and dispatching unification, includes sniffer, reflection unit, calculagraph, signal processing circuit, and the signal that sniffer is caught is connected to calculagraph and signal processing circuit simultaneously.Include light curtain aligning device in the light curtain target device of transmitting-receiving unification.Sniffer 401 and the reflection unit 402 all angle adjusting mechanism by same version are installed on separately the frame for movement, and angle adjusting mechanism adopts axle to cooperate with axle sleeve and adds retaining mechanism, see shown in four angles of Fig. 3.Sniffer 401 in the light curtain target device of transmitting-receiving unification is made of transmitting-receiving unification sonde body, light curtain indicating device 104, sniffer frame for movement and angle adjusting mechanism, transmitting-receiving unification sonde body, diaphragm and light curtain indicating device 104 are installed on the sniffer frame for movement, transmitting-receiving unification sonde body is to be spaced the array that is in line by receiving device 101 and luminescent device 102, evenly distributing is installed on the same strip circuit board, and the sensitive area of device points to consistent.The concrete realization of sniffer is referring to Fig. 1, and a plurality of receiving devices 101 and luminescent device 102 are alternate arranged in a straight line, is welded on the strip circuit board, and the printed conductor on the circuit board suitably is connected receiving device 101 with luminescent device 102 respectively.The strip circuit board that has receiving device 101 and luminescent device 102 can be spliced into needed length, and is fixed on the frame for movement 103, guarantees that all receiving devices 101 and luminescent device 102 are on same straight line.Diaphragm 106 is used for limiting the light-emitting area of the receiving plane and the luminescent device 102 of receiving device 101, makes them form extremely thin detection light curtain one.Light curtain indicating device 104 is contained in the two ends of sniffer, after adjusting, makes two light curtains indication light beam 105 formed planes become the central plane of surveying the light curtain.
The effect of adjusting device is to make light source sends on the sniffer light through successfully entering behind the speculum on the receiving device on the sniffer.Perhaps, form the light curtain of certain angle by adjusting device.Sniffer and reflection unit all are equipped with adjusting device.
By adjusting main shaft that angle adjusting mechanism guarantees the light main shaft that penetrates from luminescent device 102 and receiving device 101 reception light on a plane, the receiving device 101 of the mutual correspondence in the linear array and the light main shaft of luminescent device 102 are parallel to each other; Reflection unit 402 is made up of mirror surface 206, angle adjusting mechanism and reflection unit frame for movement, mirror surface 206 is installed on the reflection unit frame for movement, mirror surface 206 is a strip, its length is corresponding with transmitting-receiving unification sonde body, and reflection unit 402 is surveyed the light curtain with sniffer 401 relative formation; Signal processing circuit, include signal amplification circuit 204 and align voltage amplifier circuit 203, all photoelectric receiving devices 101 tandems in the sniffer 401 form a circuit junction 201, referring to Fig. 2, pass through selector switch, selected institute place in circuit, in light curtain target device cloth target installation process, circuit junction 201 meets the people and aligns voltage amplifier circuit 203, checks voltmeter 202, when the magnitude of voltage of voltmeter 202 indications is maximum, it is exactly aligned position, after aligning end, circuit junction 201 connects people's signal amplification circuit 204, aligns voltage amplifier circuit (203), photoelectric receiving device (101) is gone into aligning device jointly with angle regulator.Because the flight bullet to cross the target signal be Dynamic Signal, then for the bullet of catching by signal, adopt to exchange and amplify.
Embodiment 2: device totally constitutes with embodiment 1, and referring to Fig. 3, sniffer 401 and reflection unit 402 are by connecting rod 302 linking into an integrated entity measuring light curtains.By connecting rod sniffer and reflection unit are connected into the detection light curtain with certain target surface.Start light curtain aligning device, by light curtain adjusting device, when the voltmeter of light curtain aligning device is indicated maximum voltage value, locking light curtain adjusting device, this moment, the position of laser designator indication was exactly the tram of measuring light curtain.Regulate light curtain testing arrangement or gun rack position, just can shoot after making firing direction and the laser designator light beam being vertical.
Embodiment 3: device totally constitutes with embodiment 1, if do experiment at indoor range, perhaps the test site has other supports, sniffer 401 and reflection unit 402 are fixed into integral form without connecting rod, they are separately fixed on the wall on shooting lane both sides, or on other relative supports,, it is aligned by adjusting device.The light curtain target that tests the speed that adopts the present invention to make up, target surface can be customized to arbitrary dimension, and is with low cost.
Embodiment 4: device totally constitutes with embodiment 2, and the mirror surface of reflection unit 402 is made of the whole plane mirror 206 of one side.Mirror surface also has strip, and light is had very high reflectivity.
Embodiment 5: device totally constitutes with embodiment 3, and the minute surface of reflection unit 402 is spliced to form plane mirror 206 by a plurality of minute surfaces; The angle of the reflection ray of angle regulator accommodation reflex minute surface; Reflection unit frame for movement is used for installing mirror surface and is connected with miscellaneous part.
Embodiment 6: device totally constitutes with embodiment 4, and the light curtain indicating device [104] that is installed on the circuit board two ends of sniffer 401 adopts laser instrument to constitute.
Embodiment 7: device totally constitutes with embodiment 5, and the light curtain indicating device 104 that is installed on the circuit board two ends of sniffer 401 adopts laser instrument to constitute.The laser designator at sniffer two ends, laser designator are sent fine red beam (or light beam of other wavelength), are used to refer to the position of surveying the light curtain.
The light source of aligning device adopts the light source in the sniffer, receiving device can be the part receiving device in the sniffer, also can be the receiving device that is dispersed in diverse location on the sniffer, two kinds of sensitive detection parts models be identical, just insert different amplifying circuits.The output signal of receiving device is carried out direct current and is amplified in the light curtain aligning device, the output of dc amplifier positive voltage 203 voltmeters are indicated.
Embodiment 8: device totally constitutes with embodiment 2, referring to Fig. 4, as a kind of light curtain target method of testing, adopts the light curtain target of two pairs of transmitting-receiving unifications, with the light curtain target arranged parallel of two pairs of transmitting-receiving unifications, carries out the flight bullet is tested the speed.According to the needs of test, can use two or four device to constitute that forming tests the speed uses up curtain.The light curtain target of this transmitting-receiving unification comprises strip sniffer, reflection unit, light curtain aligning device, light curtain adjusting device, align with direct current and send out circuit, flyer detectable signal ac amplifier circuit big.The light curtain target that tests the speed that adopts method of the present invention to make up, target surface can be customized to arbitrary dimension, and is with low cost.
Embodiment 9: device totally constitutes with embodiment 2, referring to Fig. 5, as a kind of light curtain target method of testing, test light curtain with two sniffers and a reflection unit formation certain angle, promptly use two sniffers and a reflection unit, by adjusting device, can constitute the pilot light curtain of certain angle.Be used for the test of bullet closeness.
Embodiment 10: light curtain aligning device also is made up of light source and receiver.The light source of aligning device adopts the light source 102 in the sniffer, receiving device can be the part receiving device 101 in the sniffer, also can be the receiving device that is dispersed in diverse location on the sniffer, two kinds of sensitive detection parts models be identical, just insert different amplifying circuits.The output signal of the receiving device 101 of sniffer can be selected direct current to amplify by switch 201 and exchange amplification.
The light curtain is to timing, switch 201 is pushed direct current amplify the position, regulate sniffer or reflection unit, receiving device 101 receives the light of speculum 206 backspaces, the output signal of receiving device 101 is after dc amplifier 203 amplifies, indicate the light energy size that detects by voltmeter 202, when voltmeter 202 indication maximum output voltages, the light that light source sent in the sniffer is received device 101 to greatest extent and receives after speculum 206 reflections, this moment, sniffer was in the peak response state, and the formed plane of light curtain indication light beam is exactly the measuring light curtain.
After the measuring light curtain finds, switch is pushed interchange amplify the position, faint, the fast signal of receiving device 101 outputs of sniffer will be amplified by AC amplifier 204, must be target signal 205 and be used to drive time set when bullet process measuring light curtain this moment.Referring to shown in Figure 2.
Embodiment 11: with sniffer 401 and reflection unit 402 linking into an integrated entity of usefulness connecting rod measuring light curtains.As shown in Figure 3, the frame for movement 103 of sniffer is connected with connecting rod 302 by attaching parts 301, and sniffer can be around 301 rotations, to find peak response light curtain.Equally, the frame for movement 304 of reflection unit is connected with connecting rod 302 by attaching parts 303, and reflection unit also can rotate around 303.
Embodiment 12: should lock attaching parts 301 or 303 earlier when adopting angle regulator to regulate.Suppose locking 301 earlier, sniffer is fixed, opening power, rotary reflection device, and observation repeatedly aligns the voltmeter indication, and when voltmeter output maximum voltage, locking 303 is fixed reflection unit.At this moment, light curtain indication light beam 105 determined planes are exactly the measuring light curtain.
Embodiment 13: referring to Fig. 4, sniffer 401 and reflection unit 402 form a measuring light curtain, when two measuring light curtains of employing, and make them parallel, and distance is S, just form velocity of shot test zone-block device.During shooting, guarantee that firing direction is vertical with light curtain indication light beam 105, can obtain higher measuring accuracy.
Embodiment 14: referring to Fig. 5, adopt two sniffers 401 and a reflection unit 402 just can form the detection light curtain with certain angle.At this moment, receiving device that can closure detector 401a is closed the luminescent device of 401b.The position of detector 401b according to the position of light curtain indication light beam 105 after reflection unit 402 reflections, can probably be determined in the position of predetermined fixed 401a.Then, align the indicated value of voltmeter, finally determine the position of 401b according to 401b.
Claims (8)
1. light curtain target device of receiving and dispatching unification, include sniffer, reflection unit, calculagraph, signal processing circuit, it is characterized in that: include light curtain aligning device in the light curtain target device of transmitting-receiving unification, sniffer (401) and reflection unit [402] all angle adjusting mechanism by same version are installed on separately the frame for movement; Sniffer (401) in the light curtain target device of transmitting-receiving unification is made of transmitting-receiving unification sonde body, light curtain indicating device (104), sniffer frame for movement and angle adjusting mechanism, transmitting-receiving unification sonde body, diaphragm and light curtain indicating device (104) are installed on the sniffer frame for movement, transmitting-receiving unification sonde body is to be spaced the array that is in line by receiving device (101) and luminescent device (102), evenly distributing is installed on the same strip circuit board, and the sensitive area of device points to consistent; By adjusting main shaft that angle adjusting mechanism guarantees the light main shaft that penetrates from luminescent device (102) and receiving device [101] reception light on a plane, the light main shaft of receiving device of the mutual correspondence in the linear array [101] and luminescent device [102] is parallel to each other; Reflection unit (402) is made up of mirror surface (206), angle adjusting mechanism and reflection unit frame for movement, mirror surface (206) is installed on the reflection unit frame for movement, mirror surface (206) is a strip, its length is corresponding with transmitting-receiving unification sonde body, and the light curtain is surveyed in the relative formation with sniffer [401] of reflection unit (402); Signal processing circuit, include signal amplification circuit (204) and align voltage amplifier circuit (203), all photoelectric receiving devices (101) tandem in the sniffer (401) forms a circuit junction (201), pass through selector switch, selected institute place in circuit, in light curtain target device cloth target installation process, circuit junction (201) meets the people and aligns voltage amplifier circuit (203), after aligning end, circuit junction (201) connects people's signal amplification circuit (204), aligns voltage amplifier circuit (203), photoelectric receiving device (101) is gone into aligning device jointly with angle regulator.
2. the light curtain target speed measuring device of transmitting-receiving unification according to claim 1, it is characterized in that: sniffer (401) and reflection unit (402) are by connecting rod [302] linking into an integrated entity measuring light curtain.
3. the light curtain target speed measuring device of transmitting-receiving unification according to claim 1, it is characterized in that: described sniffer (401) and reflection unit (402) are fixed into integral form without connecting rod, they are separately fixed on the wall on shooting lane both sides, or on other relative supports, by adjusting device, it is aligned.
4. the light curtain target speed measuring device of transmitting-receiving unification according to claim 1 is characterized in that: the mirror surface of described reflection unit [402] is made of the whole plane mirror (206) of one side.
5. the light curtain target speed measuring device of transmitting-receiving unification according to claim 1, it is characterized in that: the minute surface of described reflection unit [402] is spliced to form plane mirror (206) by a plurality of minute surfaces.
6. the light curtain target speed measuring device of transmitting-receiving unification according to claim 1 is characterized in that: the described light curtain indicating device [104] that is installed on the circuit board two ends of sniffer (401) adopts laser instrument to constitute.
7. a light curtain target method of testing is characterized in that: adopt the light curtain target of two pairs of transmitting-receiving unifications, with the light curtain target arranged parallel of two pairs of transmitting-receiving unifications, carry out the flight bullet is tested the speed.
8. light curtain target method of testing is characterized in that: constitute the test light curtain of certain angle with two sniffers and reflection unit, be used for the test of bullet closeness.
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| CN2008102320899A CN101403592B (en) | 2008-11-04 | 2008-11-04 | Transmitting-receiving integrated light screen target apparatus and its test method |
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| CN2008102320899A CN101403592B (en) | 2008-11-04 | 2008-11-04 | Transmitting-receiving integrated light screen target apparatus and its test method |
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