CN105242522B - The test device and method of testing of separating mechanism disengaging time - Google Patents
The test device and method of testing of separating mechanism disengaging time Download PDFInfo
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- CN105242522B CN105242522B CN201510708495.8A CN201510708495A CN105242522B CN 105242522 B CN105242522 B CN 105242522B CN 201510708495 A CN201510708495 A CN 201510708495A CN 105242522 B CN105242522 B CN 105242522B
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- timekeeping circuit
- resistance
- separating mechanism
- signal
- separation
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- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F10/00—Apparatus for measuring unknown time intervals by electric means
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- General Physics & Mathematics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Abstract
The invention provides a kind of test device of separating mechanism disengaging time, including ignition signal timekeeping circuit, separation signal timekeeping circuit and bridge connected wire separating mechanism；Ignition signal timekeeping circuit includes two resistance and D.C. regulated power supply of closed loop in series, and ignition switch is set in a resistor in parallel, and voltage signal acquisition instrument is set in another resistor in parallel；Separation signal timekeeping circuit includes two resistance and D.C. regulated power supply of closed loop in series, and voltage signal acquisition instrument is set in a resistor in parallel；Bridge connected wire separating mechanism includes two binding posts for being arranged on separating interface, and two binding post parallel connections are in the both sides of another resistance, and two binding posts pass through the wire a tightened short circuit again.The invention also discloses the method for testing of above-mentioned test device.The present invention can meet separating mechanism component time test demand, test device is simple in construction, easy for installation using constant potential varying circuit measurement experimental rig.
Description
Technical field
The present invention relates to test piece intensity experimental technique field, in particular it relates to a kind of test of separating mechanism disengaging time
Device and method of testing.
Background technology
Disengaging time needs to be tested as the important parameter of separating mechanism ground Release separation test in separation,
For subsequent analysis foundation is provided to the theoretical calculation of optimization and related disengaging movement parameter.Disengaging time is from sample initiation control
Device sends fuze, to separating mechanism unblock, in the presence of separator, be separated the body time of releasing completed when
Between it is interval.Original disengaging time method of testing is the change in displacement that chorista is monitored using displacement meter, uses displacement signal acquisition
Time corresponding to instrument collection change in displacement moment, but because disengaging time is extremely short, it is impossible to it is exactly found change in displacement
Instantaneous value, causing the time of collection has larger error.
The content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of test device of separating mechanism disengaging time
And method of testing.
According to an aspect of the present invention there is provided a kind of test device of separating mechanism disengaging time, it is characterized in that, including
Ignition signal timekeeping circuit, separation signal timekeeping circuit and bridge connected wire separating mechanism；The ignition signal timekeeping circuit bag
The first resistor, second resistance and D.C. regulated power supply of closed loop in series are included, is arranged in parallel at the two ends of first resistor
One ignition switch, a voltage signal acquisition instrument is arranged in parallel at the two ends of the second resistance；When the separation signal is surveyed
Circuit includes first resistor, second resistance and the D.C. regulated power supply of closed loop in series, the two of the second resistance
End is arranged in parallel a voltage signal acquisition instrument；The bridge connected wire separating mechanism includes being arranged on separation circle of separating mechanism
Two binding posts of the upper side and lower side in face, described two binding posts are connected in described by a loose conductor in parallel
The both sides of the first resistor of signal timekeeping circuit are separated, described two binding posts pass through the wire a tightened short circuit again.
Preferably, the first resistor and second resistance resistance of the ignition signal timekeeping circuit are equal.
Preferably, the first resistor and second resistance resistance of the separation signal timekeeping circuit are equal.
Preferably, the ignition signal timekeeping circuit is arranged on ignition signal timekeeping circuit plate, each wiring point position
On connected by binding post.
Preferably, the separation signal timekeeping circuit is arranged on separation signal timekeeping circuit plate, each wiring point position
On connected by binding post.
One aspect of the present invention is carried out there is provided a kind of test device using upper described separating mechanism disengaging time
Method of testing, it is characterized in that, comprise the following steps：
(1) the ignition signal timekeeping circuit is connected, the ignition switch of the ignition signal timekeeping circuit is pressed；
(2) the ignition signal timekeeping circuit is measured by the voltage signal acquisition instrument of the ignition signal timekeeping circuit
Second resistance the voltage change corresponding time；
(3) the separation signal timekeeping circuit is connected, separating interface separation makes on separating interface the taut of two binding posts
Tight wire disconnects；
(4) the separation signal timekeeping circuit is measured by the voltage signal acquisition instrument of the separation signal timekeeping circuit
Second resistance the voltage change corresponding time；
(5) time in the time in described (2) step and described (4) step is carried out making poor, obtains the seperator
The disengaging time of structure.
Compared with prior art, the present invention has following beneficial effect：
(1) disengaging time measurement demand is met, experiment installation difficulty is not only reduced, reduces workload, while effectively
Ground improves experiment efficiency of the practice, promotes the smooth development of experiment.
(2) measuring accuracy is high, and strong antijamming capability can meet multiple spot disengaging time measurement request under various environmental conditions,
Modularized circuit structure can be carried out according to measuring point quantity.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is igniting timekeeping circuit scheme of installation；
Fig. 2 is the scheme of installation of separation timekeeping circuit；
Fig. 3 is igniting timekeeping circuit and separation timekeeping circuit schematic diagram.
In figure：
1 is igniting timekeeping circuit plate；2 be binding post when igniting is surveyed；3 be D.C. regulated power supply when igniting is surveyed；4 survey for igniting
When resistance；5 be ignition switch；6 be p-wire when igniting is surveyed；7 be voltage signal acquisition instrument when igniting is surveyed；8 is electric when being surveyed for separation
Road plate；9 be binding post when separation is surveyed；10 be D.C. regulated power supply when separation is surveyed；11 be resistance when separation is surveyed；12 lead for separation
Line；13 be binding post；14 be voltage signal acquisition instrument when separation is surveyed；15 be p-wire when separation is surveyed.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
As shown in Figure 1 and Figure 2, the experimental rig of separating mechanism disengaging time includes electricity when igniting timekeeping circuit plate, separation are surveyed
Road plate, bridge connected wire separating mechanism；Pair of on-off model of the igniting timekeeping circuit plate produced by for measuring ignition switch
Between seasonable；Separate the corresponding time of on-off model of the timekeeping circuit plate produced by for measuring separation wire break-make；Bridge connected
Wire separating mechanism is across separating interface, using in p-wire access separation signal timekeeping circuit plate, for realizing separation wire
Synchronously disconnected when separating mechanism is separated, reflection separating mechanism separation instantaneous state.
It is steady that ignition signal timekeeping circuit plate includes direct current when binding post 2 when igniting timekeeping circuit plate 1, igniting are surveyed, igniting are surveyed
Voltage signal acquisition instrument 7 when p-wire 6 and igniting are surveyed when resistance 4, ignition switch 5, igniting are surveyed when voltage source 3, igniting are surveyed；Igniting
Binding post 2 when uniform igniting is surveyed on timekeeping circuit plate 1, D.C. regulated power supplies 3 connect when resistance 4 and igniting are surveyed when two igniting are surveyed
When lighting a fire survey on binding post 2, composition closed loop, 4 liang of resistance when ignition switch 5 is simultaneously connected in an igniting survey are serially connected
When the igniting at end is surveyed on binding post 2, voltage signal acquisition instrument 7 is by p-wire 6 during igniting survey when igniting is surveyed and is connected in another
When the igniting at the two ends of resistance 4 is surveyed when individual igniting is surveyed on binding post 2.
Direct current is steady when separating binding post 9 when signal timekeeping circuit plate is surveyed including separation timekeeping circuit plate 8, separation, separation survey
Voltage signal acquisition instrument 14 and separation when resistance 11, separation wire 12, binding post 13, separation are surveyed when voltage source 10, separation are surveyed
P-wire 15 during survey；Separate binding post 9, resistance 11 and separation when two separation are surveyed when uniform separation is surveyed on timekeeping circuit plate 8
When D.C. regulated power supply 10 is connected on separation survey during survey on binding post 9, composition closed loop, voltage signal when separation is surveyed are serially connected
Acquisition Instrument 14 by separate survey when p-wire 15 and be connected in one separation survey when the two ends of resistance 11 separation survey when binding post 9
On, the two ends binding post connection bridge connected wire separating mechanism of resistance 11 when another separation is surveyed.
Bridge connected wire separating mechanism includes separation wire 12 and binding post 13；A pair of terminals 13 is respectively adhered on
There are two legs on the upper chorista 17 of the upside of separating interface 16 and the lower chorista 18 of downside, each binding post；Separation
The two ends of wire 12 are respectively welded on relative leg, and the wire 12 between one pair of which leg keeps tightening, another pair leg
Between wire 12 keep relaxation, two legs of one of binding post 13 are connected by wire 12.
Referring to accompanying drawing 1 to 3, igniting timekeeping circuit plate, separation timekeeping circuit plate, the installation of bridge connected wire separating mechanism
Journey is as follows.According to disengaging time measuring point quantity, it is determined that the specification of igniting timekeeping circuit plate and separation each part of timekeeping circuit plate and
Quantity, circuit board and first device are respectively mounted then according to ignition signal timekeeping circuit shown in Fig. 3 and separation timekeeping circuit schematic diagram
Part, for igniting timekeeping circuit plate, D.C. regulated power supply 3 connects when resistance 4 and igniting are surveyed when two resistance identical igniting are surveyed
When the igniting for timekeeping circuit plate 1 of lighting a fire is surveyed on binding post 2, composition closed loop is serially connected, ignition switch 5 is simultaneously connected in one
When the igniting at the two ends of resistance 4 is surveyed when individual igniting is surveyed on binding post 2, surveyed when voltage signal acquisition instrument 7 is surveyed by lighting a fire when igniting is surveyed
When trying line 6 and being connected in the igniting survey at the two ends of resistance 4 when another igniting is surveyed on binding post 2.For separation signal timekeeping circuit
Plate, D.C. regulated power supply 10 is connected on when separation is surveyed on binding post 9 when resistance 11 and separation are surveyed when two resistance identical separation are surveyed,
It is serially connected composition closed loop, p-wire 15 and one is connected in when voltage signal acquisition instrument 14 is surveyed by separating when separation is surveyed
When the separation at the two ends of resistance 11 is surveyed when separation is surveyed on binding post 9, the two ends binding post connection bridge joint of resistance 11 when another separation is surveyed
Formula wire separating mechanism.Afterwards, bridge connected wire separating mechanism is installed, a pair of terminals 13 is respectively adhered on separation first
On the upper chorista 17 at interface 16 and lower chorista 18, one is pasted onto in mobile, and another is pasted onto on fixed body, each
There are two legs on binding post；Separation wire 12 two ends are respectively welded on relative leg, between one pair of which leg
Wire 12 keeps tightening, and wire 12 between another pair leg keeps relaxation, then with wire 12 by the binding post in mobile
13 two legs series connection.Finally, disengaging time test device is debugged, whether is turned on each tie point of general-purpose table look-up circuit,
Whether the magnitude of voltage gathered in the case of power on circuitry by voltage signal acquisition instrument is normal come decision circuitry, is arranged with regard to problem
Reason is looked into, until meeting the requirement of experiment.
The survey method of separating mechanism disengaging time test device is divided into following steps：
(1) ignition signal timekeeping circuit is connected, the ignition switch of ignition signal timekeeping circuit is pressed；
(2) the second electricity of ignition signal timekeeping circuit is measured by the voltage signal acquisition instrument of ignition signal timekeeping circuit
The corresponding time (duration of ignition T0) of voltage change of resistance；
(3) separation signal timekeeping circuit is connected, separating interface separation leads two tightening for binding post on separating interface
Line disconnects；
(4) the second electricity of separation signal timekeeping circuit is measured by separating the voltage signal acquisition instrument of signal timekeeping circuit
The corresponding time (disengaging time T1) of voltage change of resistance；
(5) time in the time in (2) step and (4) step is carried out making poor, obtains the disengaging time of separating mechanism.
The present invention utilizes bridge connected wire separating mechanism, and letter is separated as caused by " on " or "off" using wire is separated
Number, the measurement mesh of disengaging time parameter is reached by the corresponding time of the voltage change at another resistance two ends of timekeeping circuit plate
's.Separating mechanism component time test demand can be met, test device is simple in construction, easy for installation, and measuring accuracy is high, resists dry
Disturb ability strong, the test request of separating mechanism disengaging time under varying environment can be met.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (6)
1. a kind of test device of separating mechanism disengaging time, it is characterised in that including ignition signal timekeeping circuit, separation signal
Timekeeping circuit and bridge connected wire separating mechanism；
The ignition signal timekeeping circuit includes first resistor, second resistance and the DC voltage-stabilizing electricity of closed loop in series
Source, an ignition switch is arranged in parallel at the two ends of first resistor, and a voltage is arranged in parallel at the two ends of the second resistance
Signal sampler；
The separation signal timekeeping circuit includes first resistor, second resistance and the DC voltage-stabilizing electricity of closed loop in series
Source, a voltage signal acquisition instrument is arranged in parallel at the two ends of the second resistance；
The bridge connected wire separating mechanism includes being arranged on two wiring of the upper side and lower side of the separating interface of separating mechanism
Terminal, described two binding posts are connected in the first electricity of the separation signal timekeeping circuit by a loose conductor in parallel
The both sides of resistance, described two binding posts pass through the wire a tightened short circuit again.
2. the test device of separating mechanism disengaging time according to claim 1, it is characterised in that the ignition signal is surveyed
When circuit first resistor and second resistance resistance it is equal.
3. the test device of separating mechanism disengaging time according to claim 1, it is characterised in that the separation signal is surveyed
When circuit first resistor and second resistance resistance it is equal.
4. the test device of separating mechanism disengaging time according to any one of claim 1 to 3, it is characterised in that institute
Ignition signal timekeeping circuit is stated on ignition signal timekeeping circuit plate, is connected on each wiring point position by binding post
Connect.
5. the test device of separating mechanism disengaging time according to any one of claim 1 to 3, it is characterised in that institute
State separation signal timekeeping circuit to be arranged on separation signal timekeeping circuit plate, connected on each wiring point position by binding post
Connect.
6. the survey that a kind of test device of separating mechanism disengaging time using as any one of claim 1 to 5 is carried out
Method for testing, it is characterised in that comprise the following steps：
(1) the ignition signal timekeeping circuit is connected, the ignition switch of the ignition signal timekeeping circuit is pressed；
(2) the of the ignition signal timekeeping circuit is measured by the voltage signal acquisition instrument of the ignition signal timekeeping circuit
The voltage change corresponding time of two resistance；
(3) the separation signal timekeeping circuit is connected, separating interface separation leads two tightening for binding post on separating interface
Line disconnects；
(4) the of the separation signal timekeeping circuit is measured by the voltage signal acquisition instrument of the separation signal timekeeping circuit
The voltage change corresponding time of two resistance；
(5) time in the time in described (2) step and described (4) step is carried out making poor, obtains the separating mechanism
Disengaging time.
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| CN201510708495.8A CN105242522B (en) | 2015-10-27 | 2015-10-27 | The test device and method of testing of separating mechanism disengaging time |
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| CN201510708495.8A CN105242522B (en) | 2015-10-27 | 2015-10-27 | The test device and method of testing of separating mechanism disengaging time |
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| CN105242522A CN105242522A (en) | 2016-01-13 |
| CN105242522B true CN105242522B (en) | 2017-09-29 |
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| CN106547201A (en) * | 2016-10-31 | 2017-03-29 | 中国船舶重工集团公司第七0五研究所 | A kind of round voyage behaviour thunder section trouserss free the method for testing of time under water |
| CN113406411B (en) * | 2021-05-27 | 2024-05-03 | 西安航天动力试验技术研究所 | Target line measuring device, attitude control power separation time measurement and control system and measuring method |
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| CN102929123A (en) * | 2012-11-14 | 2013-02-13 | 北京理工大学 | Measurement system for start time difference between high-speed light signal acquisition equipment and high-speed electric signal acquisition equipment |
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| CN85200296U (en) * | 1985-04-01 | 1986-07-09 | 沈阳铁路局沈阳工程处 | Combined excitor for primer |
| US6584907B2 (en) * | 2000-03-17 | 2003-07-01 | Ensign-Bickford Aerospace & Defense Company | Ordnance firing system |
| CN101655697B (en) * | 2009-09-09 | 2011-08-03 | 哈尔滨工程大学 | Constant-level separating device for model rocket |
| CN201845191U (en) * | 2009-09-22 | 2011-05-25 | 杨明学 | Electronic timing circuit |
| CN101907444B (en) * | 2010-07-14 | 2011-08-03 | 北京理工大学 | High-precision measuring method of separating characteristic of hot work separating device |
| CN201935635U (en) * | 2010-12-30 | 2011-08-17 | 四川久安芯电子科技有限公司 | Electronic delay ignition device |
| CN202372798U (en) * | 2011-11-16 | 2012-08-08 | 贵州航天计量测试技术研究所 | Nano-second (ns) grade time interval measurement device |
| CN103207317B (en) * | 2013-03-25 | 2015-04-15 | 圣邦微电子（北京）股份有限公司 | Voltage change collecting circuit of voltmeter applied to battery |
| JP5705382B1 (en) * | 2013-11-22 | 2015-04-22 | 三菱電機株式会社 | Insulation detector and electrical equipment |
| CN104467372B (en) * | 2014-12-18 | 2017-02-22 | 矽力杰半导体技术(杭州)有限公司 | Switch power controller and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102929123A (en) * | 2012-11-14 | 2013-02-13 | 北京理工大学 | Measurement system for start time difference between high-speed light signal acquisition equipment and high-speed electric signal acquisition equipment |
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