CN203572985U - Explosion signal pick-up device - Google Patents
Explosion signal pick-up device Download PDFInfo
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- CN203572985U CN203572985U CN201320722899.9U CN201320722899U CN203572985U CN 203572985 U CN203572985 U CN 203572985U CN 201320722899 U CN201320722899 U CN 201320722899U CN 203572985 U CN203572985 U CN 203572985U
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- signal
- circuit board
- optical lens
- housing
- light activated
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Abstract
The utility model relates to an explosion signal pick-up device comprising an optical lens, a photosensitive element, a circuit board, a battery box, a signal indication lamp, a signal output socket, a power supply switch, a cylindrical shell and a back panel. The optical lens is arranged at one end of the shell. The back panel is arranged at the other end of the shell. The focus position of the optical lens in the shell is provided with the photosensitive element. The photosensitive element, the circuit board and the battery box are orderly arranged in the shell along a direction from the optical lens to the back panel. The photosensitive element is electrically connected with the circuit board. The explosion signal pick-up device senses light emitted in the explosion of an explosive, an optical signal is converted into an electric signal, a positive pulse voltage signal is outputted after the amplification and shaping of the electric signal, and the voltage signal is used for starting other test equipment to start the data collection. Explosion signals can be collected continuously, the sensitivity is high, the explosion signals can be remotely collected in a non-contact way, the output driving ability is strong, an output signal can be remotely transmitted, and the anti-interference ability is strong.
Description
Technical field
The utility model relates to field of photoelectric technology, particularly a kind of shot break pick device.
Background technology
The shot break pick device adopting is at present mainly metal wire, and its principle of work is: metal wire is wrapped on blast object, the two ends of metal wire are drawn, now the two ends of metal wire are conducting state; After explosive blast, metal wire is blown up, and the two ends of metal wire are off state.While adopting the method to pick up shot break, because the consistance of operation is poor, the consistance of the shot break providing is also lower.Simultaneously, due to blast object explosive expansions process be a complicated process, in this process, the surrounding of explosive-body has formed a complicated electromagnetic field, under the effect of this electromagnetic field, make the two ends that are wrapped in the plain conductor on blast object of having been blown up be conducting state, and the time length of electromagnetic field effect is uncertain, the confidence level of the shot break therefore providing is also very low; Because metal wire is wrapped on blast object, therefore all to reinstall at every turn.
Utility model content
Technical problem to be solved in the utility model is to provide the shot break pick device that a kind of shot break of collection is with a high credibility, do not need to reinstall proving installation while gathering shot break at every turn.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of shot break pick device, comprises optical lens, light activated element, circuit board, battery case, signal lamp, signal accessory power outlet, power switch, the housing of column and rear panel;
Described optical lens is arranged at one end of described housing, described rear panel is arranged at the other end of described housing, on the focal position of enclosure interior optical lens, be provided with described light activated element, described light activated element, circuit board and battery case along optical lens backward the direction of panel be set in turn in enclosure interior, described light activated element is electrically connected to described circuit board, described signal lamp, signal accessory power outlet and power switch are arranged on described rear panel, and described signal lamp, signal accessory power outlet and power switch are electrically connected to circuit board respectively.
The beneficial effects of the utility model are: the light that the utility model perception explosive explosion time sends, light signal is converted to electric signal, and after amplifying shaping, export the voltage signal of a positive pulse, in order to start other testing apparatus, start image data.Can pick up continuously shot break, highly sensitive, the contactless shot break that picks up at a distance, output driving force is strong, can long-distance transmissions output signal, antijamming capability is strong.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, on described circuit board, be provided with ac amplifier circuit, shaping circuit and output driving circuit, the output terminal of described light activated element is connected with the input end of described ac amplifier circuit, the output terminal of described ac amplifier circuit is connected with the input end of shaping circuit, and the output terminal of described shaping circuit is connected with the input end of described output driving circuit.
Further, described light activated element is silicon photovoltaic detector.
Further, described housing is aluminum metal shell.
Further, described shot break pick device also comprises tripod, and described housing is arranged on tripod.
Accompanying drawing explanation
Fig. 1 is the utility model upward view;
Fig. 2 is the utility model front view;
Fig. 3 is the utility model right view.
In accompanying drawing, the list of parts of each label representative is as follows:
1, optical lens, 2, light activated element, 3, circuit board, 4, battery case, 5, signal lamp, 6, signal accessory power outlet, 7, power switch, 8, housing, 9, rear panel.
Embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, be the utility model upward view; Fig. 2 is the utility model front view; Fig. 3 is the utility model right view.
A shot break pick device, comprises optical lens 1, light activated element 2, circuit board 3, battery case 4, signal lamp 5, signal accessory power outlet 6, power switch 7, the housing 8 of column and rear panel 9;
Described optical lens 1 is arranged at one end of described housing 8, described rear panel 9 is arranged at the other end of described housing 8, on the focal position of housing 8 internal optics camera lenses 1, be provided with described light activated element 2, described light activated element 2, circuit board 3 and battery case 4 along optical lens 1 backward the direction of panel 9 be set in turn in housing 8 inside, described light activated element 2 is electrically connected to described circuit board 3, described signal lamp 5, signal accessory power outlet 6 and power switch 7 are arranged on described rear panel 9, described signal lamp 5, signal accessory power outlet 6 and power switch 7 are electrically connected to circuit board 3 respectively.
On described circuit board 3, be provided with ac amplifier circuit, shaping circuit and output driving circuit, the output terminal of described light activated element 2 is connected with the input end of described ac amplifier circuit, the output terminal of described ac amplifier circuit is connected with the input end of shaping circuit, and the output terminal of described shaping circuit is connected with the input end of described output driving circuit.
Described light activated element 2 is silicon photovoltaic detector.
Described housing 8 is aluminum metal shell.
Described shot break pick device also comprises tripod, and described housing 8 is arranged on tripod.
The main application of shot break pick device is that the light that perception explosive explosion time sends, is converted to electric signal by light signal, exports the voltage signal of a positive pulse after amplifying shaping, in order to start other testing apparatus, starts image data.
As depicted in figs. 1 and 2, in concrete enforcement, usually, the concentration of energy of the light that explosive explosion time sends is in visible ray and near infrared spectral range, so select an ordinary optical camera lens to meet the demands.What this shot break pick device was selected is the standard lens of ordinary camera, and focal length is 50mm.
The material of the housing of shot break pick device adopts aluminium matter, with metal aluminium bar, processes.Housing 8 one end, according to the bayonet arrangement fabrication design of optical lens, guarantee that optical lens is solid and reliable, convenient disassembly; According to the focal length of optical lens, light activated element is arranged on the optical focus under camera lens.The other end of housing 8 is rear panels, as shown in Figure 3, has signal lamp 5, output signal socket 6 and power switch 7 on rear panel, and in the middle of housing, a side is circuit board mounting portion, and opposite side is battery mounting section.It is upper that housing is placed in tripod (common tripod), guarantees that complete machine is upper and lower, left and right, pitch regulation be convenient.
The circuit part of shot break pick device is mainly comprised of light activated element, AC amplifier, shaping circuit and output driver.
The principle of work of shot break pick device is: when blast object explosion time, light activated element perceives the light that explosive sends, light signal is transformed into electric signal, give level Four AC amplifier, level Four AC amplifier is amplified (total enlargement factor is about 10000 times) to higher frequency signals, be defeated by signal transformation circuit, by signal shaping, (width is 4ms to signal transformation circuit, amplitude is supply voltage) after export to output driver, a positive pulse signal with stronger driving force of output driver output carries out image data for triggering other testing apparatuss.
For reducing the time delay of shot break pick device, select silicon photovoltaic detector to do light activated element, the spectral response range of this detector is between (0.4～1.2) micron, and peak response is 0.8 micron of left and right.The internal resistance of silicon photovoltaic detector is little, so just can use less pull-up resistor, can effectively suppress the noise that resistance is introduced, and for the small signal amplifier of high-gain, is even more important.Power acquisition is rechargeable battery powered with high power capacity, thereby further suppress noise and effective external equipment that reduces that electric power system is introduced, simulation radio frequency system is very easily subject to the interference of external electromagnetic signal, except well-designed board structure of circuit, adopt aluminum metal shell can effectively shield extraneous electromagnetic interference (EMI).
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a shot break pick device, is characterized in that: comprise optical lens (1), light activated element (2), circuit board (3), battery case (4), signal lamp (5), signal accessory power outlet (6), power switch (7), the housing of column (8) and rear panel (9);
Described optical lens (1) is arranged at one end of described housing (8), described rear panel (9) is arranged at the other end of described housing (8), on the focal position of housing (8) internal optics camera lens (1), be provided with described light activated element (2), described light activated element (2), circuit board (3) and battery case (4) along optical lens (1) backward the direction of panel (9) be set in turn in housing (8) inside, described light activated element (2) is electrically connected to described circuit board (3), described signal lamp (5), signal accessory power outlet (6) and power switch (7) are arranged on described rear panel (9), described signal lamp (5), signal accessory power outlet (6) and power switch (7) are electrically connected to circuit board (3) respectively.
2. shot break pick device according to claim 1, it is characterized in that: described circuit board is provided with ac amplifier circuit on (3), shaping circuit and output driving circuit, the output terminal of described light activated element (2) is connected with the input end of described ac amplifier circuit, the output terminal of described ac amplifier circuit is connected with the input end of shaping circuit, and the output terminal of described shaping circuit is connected with the input end of described output driving circuit.
3. shot break pick device according to claim 1, is characterized in that: described light activated element (2) is silicon photovoltaic detector.
4. shot break pick device according to claim 1, is characterized in that: described housing (8) is aluminum metal shell.
5. according to the arbitrary described shot break pick device of claim 1 to 4, it is characterized in that: described shot break pick device also comprises tripod, described housing (8) is arranged on tripod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320722899.9U CN203572985U (en) | 2013-11-15 | 2013-11-15 | Explosion signal pick-up device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320722899.9U CN203572985U (en) | 2013-11-15 | 2013-11-15 | Explosion signal pick-up device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203572985U true CN203572985U (en) | 2014-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320722899.9U Expired - Fee Related CN203572985U (en) | 2013-11-15 | 2013-11-15 | Explosion signal pick-up device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203572985U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106980299A (en) * | 2017-06-01 | 2017-07-25 | 南京卓砾智测控技术有限公司 | A kind of explosive field wireless type transient state trigger control device |
-
2013
- 2013-11-15 CN CN201320722899.9U patent/CN203572985U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106980299A (en) * | 2017-06-01 | 2017-07-25 | 南京卓砾智测控技术有限公司 | A kind of explosive field wireless type transient state trigger control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20161115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |