CN201463744U - Explosion light signal acquisition device - Google Patents
Explosion light signal acquisition device Download PDFInfo
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- CN201463744U CN201463744U CN2009201102651U CN200920110265U CN201463744U CN 201463744 U CN201463744 U CN 201463744U CN 2009201102651 U CN2009201102651 U CN 2009201102651U CN 200920110265 U CN200920110265 U CN 200920110265U CN 201463744 U CN201463744 U CN 201463744U
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Abstract
The utility model discloses an explosion light signal acquisition device comprising a box body, a light signal transmission module and a light signal processing module. The light signal processing module comprises a power supply, a photoelectric converter and a signal conditioning module, wherein the signal conditioning module comprises an amplifying circuit, a filter circuit and a comparison circuit; and electrical signals output by the photoelectric converter to the signal conditioning module are sent to the comparison circuit through the amplifying circuit and the filter circuit. The filter circuit can adopt a high-pass filter to ensure that no influence can be caused on explosion light signal acquisition, so that the explosion time of samples to be tested can be measured accurately. The high-pass filter is made up of a capacitor and a resistor, the circuit is simple and easy to realize, and the cost is low. The comparison circuit preferably adopts a hysteresis comparator, thereby further improving the anti-jamming performance of the device. Due to the adoption of the technical scheme, the light signal acquisition device capable of eliminating influences on signal acquisition from stray lights is achieved. Therefore, environmental restrictions on the explosion light signal acquisition device during the use are eliminated.
Description
Technical field
The utility model relates to priming system detection technique field, relates in particular to a kind of device that is used to gather the optical signal that blast produces.
Background technology
In priming system detection technique field, the external energy that priming system is accepted regulation from input stimulates to burning or the required time of exploding and is called action time of priming system.Be an importance investigating priming system characteristic and function the action time of priming system.When the action time of priming system is longer, in the time of can adopting manual time-keeping or instrumentation to survey, and during action time short (for example millisecond or microsecond magnitude), measure with regard to using special-purpose time keeping instrument.
When priming system is measured action time, need to obtain I target signal and II target signal.Wherein, I target signal is to obtain when priming system is applied outside energy, II target signal is to utilize the physical chemistry effect that produces in the priming system mechanism, such as light, sound, heat, vibration, pressure wave, ionization phenomena, damage effect etc., obtain by the conversion from the analog quantity to the digital quantity.For electric spark workpiece, I target signal is the signal of telecommunication, provide to get final product in the electric spark workpiece that detonates, and obtaining of II target signal can be adopted sonde method, target collimation method, acoustic-electric method, photoelectric method etc.Wherein, sonde method utilizes the ionization and the conductive ion in the explosion product of priming system blast to make two probe conductings disconnected from each other obtain II target signal.The utilization of target collimation method is looped around the state variation by being conducting to disconnection of the enamel covered wire on the priming system and obtains II target signal.To the explode sound that produces of acoustic-electric method is converted to the signal of telecommunication and obtains II target signal.Photoelectric method is utilized the sensitivity of photo-electric conversion element to the high light of blast generation, optical signal is converted to the signal of telecommunication obtains II target signal.
In the master thesis " priming system action time and SCB firing energy Study of test method " of the student Feng Xiping of Institutes Of Technology Of Nanjing, provided a kind of method that adopts photoelectric method to measure the priming system defer time.For avoiding thinking natural daylight by mistake II target signal influence the accuracy of measurement, the predetermined threshold value that can adopt threshold value setting means conditioning signal to handle, make the amplitude of the signal of telecommunication that natural daylight produces by photo-electric conversion element below predetermined threshold value, thereby can not produce II target signal.Meanwhile, the high light that has only blast to produce just may be changed the signal of telecommunication of generation greater than predetermined threshold value, thereby produces II target signal.But the defective of this threshold value setting means is:
1. the design parameter of threshold adjustment circuit need carry out the specific aim adjustment, to adapt to the application under the different light intensity background.
2. under the different light intensity background, for example at dark surrounds and intense light irradiation environment, the dead level difference that its bias light produces, thus there is bigger difference with the amplitude difference of the threshold value that produces II target signal, noiseproof feature under different background is had nothing in common with each other, measure the uniformity extreme difference.
Summary of the invention
The purpose of this utility model is to solve the defective of above-mentioned prior art, a kind of blast light signal collection device that can eliminate veiling glare to the influence of signals collecting is provided, be intended to eliminate this device environmental limitations in use, and improve the uniformity of accuracy of measurement.
The utility model is realized above-mentioned technical purpose by the following technical solutions:
Blast light signal collection device of the present utility model comprises casing, optical signal transmission module and optical signal processing module. and the optical signal processing module further comprises power supply, optical-electrical converter and signal condition module. wherein, optical-electrical converter one end leads to the optical signal transmission module, receives the blast optical signal; One end connects power supply; All the other ends connect the signal condition module.
Especially, the signal condition module can further comprise amplifying circuit, filter circuit and comparison circuit.Wherein, amplifying circuit and comparison circuit respectively have an end to be connected to power supply.Optical-electrical converter outputs to the signal of telecommunication of signal condition module via amplifying circuit and filter circuit, outputs to comparison circuit.All the other of a comparison circuit end leads to optical signal processing module outside, constitutes the signal output part of optical signal processing module, with the signal output after handling.
Technique scheme on the basis of existing technology, utilize veiling glare can rapid variation not take place at short notice and the priming system blast can cause light intensity characteristics jumpy, in the signal condition module, put into filter circuit, thereby, enter the signal of telecommunication that the veiling glare signal of optical signal transmission module is converted to filtered circuit filtering, can not constitute influence the blast light signal collection.
Further, but the high-pass filter of insertion isolated DC electricity in the signal processing module, thereby, have only the jump signal of optical-electrical converter output just can enter comparison circuit, and steadily constant signal will be by the high-pass filter filtering.This has just guaranteed that veiling glare does not constitute influence to the collection of blast optical signal, thereby can accurately record the moment of sample to be tested blast.
Above-mentioned filter circuit can be made of an electric capacity and a resistance.One end of electric capacity constitutes the input of filter circuit, and the other end and resistance constitute the output of filter circuit jointly, the direct ground connection of the other end of resistance.This filter circuit has been realized the function of high-pass filtering, and circuit is realized simple, with low cost.
Description of drawings
Fig. 1 is the formation schematic diagram of the utility model light signal collection device;
Fig. 2 is the formation schematic diagram of optical signal processing module in the utility model;
Fig. 3 amplifies the enforcement schematic diagram that carries out filtering again in the utility model earlier to the signal of telecommunication;
Fig. 4 carries out the enforcement schematic diagram that filtering is amplified again in the utility model earlier to the signal of telecommunication;
Fig. 5 is the formation schematic diagram of filter circuit in the utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the technical solution of the utility model is described in further details.
Blast light signal collection device 200 of the present utility model comprises casing 201, optical signal transmission module 205 and optical signal processing module 203, as shown in Figure 1.Initiation control device 500 is positioned at casing 201 outsides, 400 blasts of control sample to be tested.The high light that blast produces is transferred to the optical signal processing module 203 of casing 201 outsides via optical signal transmission module 205.
As shown in Figure 2, optical signal processing module 203 comprises power supply 104, optical-electrical converter 101 and signal condition module 102.Be transferred to the blast optical signal of optical signal processing module 203 via optical signal transmission module 205, at first be converted to analog electrical signal through optical-electrical converter 101, be converted to the discernible digital electric signal of central processing unit through signal condition module 102 again, output in blast light signal collection device 200 central processing unit in addition and handle, draw the delay precision of sample 400 with metering.
Can comprise amplifying circuit 401, filter circuit 402 and comparison circuit 403 in the above-mentioned signal condition module 102.Amplifying circuit 401 and comparison circuit 403 respectively have an end to be connected to power supply 104.Optical-electrical converter 101 outputs to the signal of telecommunication of signal condition module 102 via amplifying circuit 401 and filter circuit 402, outputs to comparison circuit 403.All the other ends of comparison circuit 403 lead to optical signal processing module 203 outsides, constitute the signal output part of optical signal processing module 203.
Fig. 3 has provided an embodiment of technique scheme. and amplifying circuit 401 is connected to power supply 104 jointly with comparison circuit 403, accept the power supply of power supply 104. amplifying circuit 401 also has an end to link to each other with optical-electrical converter 101, all the other ends link to each other with filter circuit 402. and all the other ends of filter circuit 402 link to each other with comparison circuit 403. and all the other ends of comparison circuit 403 lead to optical signal processing module 203 outsides, and the digital electric signal output that the central processing unit in computer or the special equipment can be discerned supplies to handle.
Fig. 4 has provided another embodiment of technique scheme.Amplifying circuit 401 is connected to power supply 104 jointly with comparison circuit 403, accepts the power supply of power supply 104.One end of filter circuit 402 links to each other with optical-electrical converter 101, and all the other ends link to each other with amplifying circuit 401.All the other ends of amplifying circuit 401 link to each other with comparison circuit 403.All the other ends of comparison circuit 403 lead to optical signal processing module 203 outsides, and the digital electric signal output that the central processing unit in computer or the special equipment can be discerned supplies to handle.
Above-mentioned two kinds of embodiment of signal condition module 102 are equivalence fully, and the signal of telecommunication of optical-electrical converter 101 output is carried out filtering earlier or amplifies earlier, and the result of its signal condition is just the same.This technical scheme utilizes veiling glare can rapid variation not take place at short notice and the priming system blast can cause light intensity characteristics jumpy, in signal condition module 102, put into filter circuit 402, thereby, the veiling glare signal that enters optical signal transmission module 205 can not constitute influence to the collection of blast optical signal with filtered circuit 402 filterings.
Further, above-mentioned filter circuit 402 is taken as high-pass filter.Thereby, have only the jump signal of optical-electrical converter 101 outputs just can enter comparison circuit 403, and steadily constant signal will be by the high-pass filter filtering.This has just guaranteed that veiling glare does not constitute influence to the collection of blast optical signal, thereby can accurately record the moment of sample to be tested blast.
Above-mentioned filter circuit 402 can be made of an electric capacity 501 and a resistance 502.One end of electric capacity 501 constitutes the input of filter circuit 402, the other end and the resistance 502 common outputs that constitute filter circuit 402, the direct ground connection of the other end of resistance 502.Concrete annexation can be referring to shown in Figure 5.Among Fig. 5, an end of electric capacity 501 links to each other with amplifying circuit 401, and the other end and resistance 502 are connected to comparison circuit 403 jointly; The direct ground connection of the other end of resistance 502.This filter circuit 402 has been realized the function of high-pass filtering, and simple, and is with low cost.
When using the open type casing, sunshine or daily veiling glare signal such as use up transfer to optical signal processing module 203 via optical signal transmission module 205, because above-mentioned veiling glare signal can not strengthen suddenly or weaken suddenly in the regular hour, are comparatively stable signals of telecommunication therefore through optical-electrical converter 101 outputs.Sample to be tested 400 explosion times when casing 201 inside can produce very strong blast optical signal in moment.This blast optical signal transfers to optical-electrical converter 101 via optical signal transmission module 205, output be the sudden change current signal.The high-pass filtering effect of filter circuit 402 gets final product the above-mentioned plateau current signal of filtering, and only the mutation current signal is transferred to comparison circuit 403.Thereby filter circuit 402 has been realized the purpose of filtering veiling glare signal.This has just eliminated light signal collection device 200 of the present utility model environmental limitations in use, and improves the uniformity of accuracy of measurement.
Claims (7)
1. a blast light signal collection device comprises casing, optical signal transmission module and optical signal processing module,
Described optical signal processing module comprises power supply, optical-electrical converter and signal condition module,
Described optical-electrical converter one end leads to described optical signal transmission module, receives described blast optical signal; One end connects described power supply; All the other ends connect described signal condition module;
It is characterized in that:
Described signal condition module comprises amplifying circuit, filter circuit and comparison circuit;
Described amplifying circuit and described comparison circuit respectively have an end to be connected to described power supply;
Described optical-electrical converter outputs to the signal of telecommunication of described signal condition module via described amplifying circuit and described filter circuit, outputs to described comparison circuit;
All the other of a described comparison circuit end leads to described optical signal processing module outside, constitutes the signal output part of described optical signal processing module.
2. according to the described blast light signal collection of claim 1 device, it is characterized in that:
Described amplifying circuit and described comparison circuit respectively have an end to be connected to described power supply; Described amplifying circuit also has an end to link to each other with described optical-electrical converter, and all the other ends link to each other with described filter circuit; All the other of a described filter circuit end links to each other with described comparison circuit; All the other of a described comparison circuit end leads to described optical signal processing module outside, constitutes described signal output part.
3. according to the described blast light signal collection of claim 1 device, it is characterized in that:
Described amplifying circuit and described comparison circuit respectively have an end to be connected to described power supply; Described filter circuit one end connects described optical-electrical converter, and the other end connects described amplifying circuit; All the other of a described amplifying circuit end links to each other with described comparison circuit; All the other of a described comparison circuit end leads to described optical signal processing module outside, constitutes described signal output part.
4. according to claim 1,2 or 3 described blast light signal collection devices, it is characterized in that:
Described filter circuit is a high-pass filter.
5. according to the described blast light signal collection of claim 2 device, it is characterized in that:
Described filter circuit is made of an electric capacity and a resistance,
One end of described electric capacity links to each other with described amplifying circuit, and the other end and described resistance are connected to described comparison circuit jointly; The direct ground connection of the other end of described resistance.
6. according to the described blast light signal collection of claim 3 device, it is characterized in that:
Described filter circuit is made of an electric capacity and a resistance,
One end of described electric capacity links to each other with described optical-electrical converter, and the other end and described resistance are connected to described amplifying circuit jointly; The direct ground connection of the other end of described resistance.
7. according to claim 1,2,3,5 or 6 described blast light signal collection devices, it is characterized in that:
Described comparison circuit is back stagnant comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201102651U CN201463744U (en) | 2009-07-24 | 2009-07-24 | Explosion light signal acquisition device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201102651U CN201463744U (en) | 2009-07-24 | 2009-07-24 | Explosion light signal acquisition device |
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| CN201463744U true CN201463744U (en) | 2010-05-12 |
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| CN2009201102651U Expired - Lifetime CN201463744U (en) | 2009-07-24 | 2009-07-24 | Explosion light signal acquisition device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384701A (en) * | 2011-08-25 | 2012-03-21 | 哈尔滨第一机器制造集团有限公司 | Information collection controller for self-propelled gun comprehensive electronic information system |
| CN112815791A (en) * | 2020-12-25 | 2021-05-18 | 中国船舶重工集团有限公司第七一0研究所 | Detection device for high-voltage narrow-pulse electrical signals |
| CN113049635A (en) * | 2021-02-26 | 2021-06-29 | 中国人民解放军63861部队 | Device and method for measuring intensive continuous explosion time |
-
2009
- 2009-07-24 CN CN2009201102651U patent/CN201463744U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384701A (en) * | 2011-08-25 | 2012-03-21 | 哈尔滨第一机器制造集团有限公司 | Information collection controller for self-propelled gun comprehensive electronic information system |
| CN102384701B (en) * | 2011-08-25 | 2014-02-26 | 哈尔滨第一机器制造集团有限公司 | Information collection controller for self-propelled gun comprehensive electronic information system |
| CN112815791A (en) * | 2020-12-25 | 2021-05-18 | 中国船舶重工集团有限公司第七一0研究所 | Detection device for high-voltage narrow-pulse electrical signals |
| CN112815791B (en) * | 2020-12-25 | 2023-02-28 | 中国船舶重工集团有限公司第七一0研究所 | Detection device for high-voltage narrow-pulse electrical signals |
| CN113049635A (en) * | 2021-02-26 | 2021-06-29 | 中国人民解放军63861部队 | Device and method for measuring intensive continuous explosion time |
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| C14 | Grant of patent or utility model | ||
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| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 100085 Beijing city Haidian District East Road No. 1 Yingchuang power block A Room 601 Patentee after: Beijing BangiUnion Technology Development Co., Ltd. Address before: 100098 Hua Jie building, No. 13, Zhong Zhong Temple, Beijing, Haidian District, 11B12 Patentee before: Beijing BangiUnion Technology Development Co., Ltd. |
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| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 100097 Beijing city Haidian District road Jin Yuan era business center A block 11F Patentee after: Beijing BangiUnion Technology Development Co., Ltd. Address before: 100085 Beijing city Haidian District East Road No. 1 Yingchuang power block A Room 601 Patentee before: Beijing BangiUnion Technology Development Co., Ltd. |
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| DD01 | Delivery of document by public notice |
Addressee: Yang Chun Document name: Notification of Passing Examination on Formalities |
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Effective date of registration: 20170203 Address after: 100097 Beijing city Haidian District landianchang Road business center Jin Yuan era A block 11F Patentee after: Beijing Ebtech Co., Ltd. Address before: 100097 Beijing city Haidian District road Jin Yuan era business center A block 11F Patentee before: Beijing BangiUnion Technology Development Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20100512 |
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