CN203550950U - Ultrahigh-speed photoelectric photography system testing device for high-frequency collision of mechanical transmission system - Google Patents
Ultrahigh-speed photoelectric photography system testing device for high-frequency collision of mechanical transmission system Download PDFInfo
- Publication number
- CN203550950U CN203550950U CN201320693848.8U CN201320693848U CN203550950U CN 203550950 U CN203550950 U CN 203550950U CN 201320693848 U CN201320693848 U CN 201320693848U CN 203550950 U CN203550950 U CN 203550950U
- Authority
- CN
- China
- Prior art keywords
- driven system
- machine driven
- collision
- high frequency
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model provides an ultrahigh-speed photoelectric photography system testing device for high-frequency collision of a mechanical transmission system, and relates to the field of high-speed photography. The testing device comprises a triggering module, wherein the triggering module is connected to a high-speed camera; and the triggering module, depending on one of strain variations of collision objects of the mechanical transmission system, a displacement variation between the collision objects and currents of the collision objects, can transmit a triggering signal to the high-speed camera, so as to control the high-speed camera to shoot high-speed collision.
Description
Technical field
The utility model relates to high-speed camera field, relates in particular to a kind of hypervelocity photoelectricity camera chain proving installation of machine driven system high frequency collision.
Background technology
Between detent internal tooth and external tooth, collision can reach hundreds of hertz, and the amplitude of variation of its distortion is larger, and little may only have 1 μ m, the large 1-10mm that also may reach.
Simultaneously, because external tooth and internal tooth etc. is again variable-speed operation in 2000rpm-6000rpm, and between external tooth and internal tooth, there is relative motion (reciprocating collision), catch the details of its collision process and distortion, very difficult, become a great problem in this field of China, in the urgent need to being solved.
Utility model content
The utility model is intended at least solve the technical matters existing in prior art, has proposed to special innovation a kind of hypervelocity photoelectricity camera chain proving installation of machine driven system high frequency collision.
In order to realize above-mentioned purpose of the present utility model, the utility model provides a kind of hypervelocity photoelectricity camera chain proving installation of machine driven system high frequency collision, it is characterized in that, comprise trigger module, described trigger module connects high-speed camera, when machine driven system high frequency collides, described trigger module sends trigger pip according to the change in displacement between the adaptability to changes variation of machine driven system collision object, collision object and the electric current thrin between collision object to high-speed camera, controls high-speed camera high frequency is collided and taken.
The hypervelocity photoelectricity camera chain proving installation of described machine driven system high frequency collision, preferably, comprise: described trigger module is strain trigger module, described strain trigger module comprises foil gauge and strain trigger circuit, non-collision position between internal tooth and the external tooth of machine driven system arranges foil gauge, described foil gauge is electrically connected with strain trigger circuit, by foil gauge, send strain trigger pip to strain trigger circuit, strain trigger circuit connect high-speed camera, internal tooth by strain trigger circuit control high-speed camera to machine driven system and the collision of the high frequency of external tooth are taken.
The hypervelocity photoelectricity camera chain proving installation of described machine driven system high frequency collision, preferred, foil gauge is placed at the internal tooth place between internal tooth and the external tooth of machine driven system.
The hypervelocity photoelectricity camera chain proving installation of described machine driven system high frequency collision, preferably, described strain trigger circuit comprise: adaptability to changes trigger module, wherein adaptability to changes trigger module comprises piezoelectric sensor, operational amplifier, comparer, fixed resistance and adjustable potentiometer, described piezoelectric sensor concatenation operation amplifier, through amplifier, be amplified to certain signal amplitude, operational amplifier is realized the preposition amplification of front end feeble signal; Described operational amplifier connects comparer, and described fixed resistance is connected high-speed comparator input end afterwards with adjustable potentiometer parallel connection.
The hypervelocity photoelectricity camera chain proving installation of described machine driven system high frequency collision, preferred, described trigger module is that displacement triggers modular converter, described displacement triggers modular converter and comprises displacement detection module, triggers change-over circuit and first control circuit,
Described displacement detection module is arranged on the non-collision position between internal tooth and the external tooth of described machine driven system, described displacement detection module is transferred to described triggering change-over circuit for detection of the displacement between described internal tooth and external tooth and by described displacement signal, described triggering change-over circuit is converted to displacement signal electric signal and is transferred to first control circuit, by first control circuit, high-speed camera is controlled.
The hypervelocity photoelectricity camera chain proving installation of described machine driven system high frequency collision, preferred, described trigger module is current trigger module, described current trigger module comprises foil gauge, current triggering circuit and second control circuit,
Described current triggering circuit connects foil gauge, by foil gauge, current triggering circuit is sent to strain signal, described current triggering circuit is converted to described strain signal current signal and sends to second control circuit, and described second control circuit is controlled high-speed camera.
The hypervelocity photoelectricity camera chain proving installation of described machine driven system high frequency collision, preferred, described machine driven system comprises: motor, shaft coupling, transmission shaft, cam, external tooth and internal tooth;
Described motor drives shaft coupling, controls transmission shaft work, and transmission shaft connects cam, and cam control external tooth and internal tooth carry out impact.
The hypervelocity photoelectricity camera chain proving installation of described machine driven system high frequency collision, preferably, also comprise: signal conditioning package, described signal conditioning package connects high-speed camera machine host, the Collision diagram picture that high-speed camera is taken carries out image processing by signal conditioning package
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are:
Use the high frequency collision process of the utility model monitoring machine driven system: by the collision process between direct shooting external tooth and internal tooth, the important collision informations such as accurate distortion size, position of collision and the boundary condition that obtains external tooth and interior between cog, for studying collision deformation and the failure mechanism of obtaining kinematic train, the high frequency collision problem that solves the kinematic train under High Rotation Speed condition provides effective, simple and reliable method, and promote the hypervelocity photoelectricity photography test macro of designing and developing and promote to have practical value of machine driven system of new generation.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is the hypervelocity photoelectricity camera chain proving installation structural representation of the utility model machine driven system high frequency collision;
Fig. 2 is the hypervelocity photoelectricity camera chain proving installation high speed optoelectronic photography test principle block diagram of the utility model machine driven system high frequency collision;
Fig. 3 is the piezoelectric sensor structure of the hypervelocity photoelectricity camera chain proving installation adaptability to changes trigger module of the utility model machine driven system high frequency collision;
Fig. 4 is the pre-amplification circuit structure of the hypervelocity photoelectricity camera chain proving installation adaptability to changes trigger module of the utility model machine driven system high frequency collision;
Fig. 5 is the comparator configuration of the hypervelocity photoelectricity camera chain proving installation adaptability to changes trigger module of the utility model machine driven system high frequency collision.
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " longitudinally ", " laterally ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be to be directly connected, and also can indirectly be connected by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
The utility model discloses a kind of can test mechanical kinematic train high frequency the hypervelocity photoelectricity camera chain proving installation of collision, utilize hypervelocity photoelectricity Digital Photogrammetric System, by the collision process of direct mechanical kinematic train, thereby obtain accurately the distortion size of external tooth and interior between cog, the important collision information such as position of collision and boundary condition, for studying collision deformation and the failure mechanism of obtaining kinematic train, the high frequency collision problem that solves the kinematic train under High Rotation Speed condition provides effective, simple and reliable method, and promote the hypervelocity photoelectricity photography test macro of designing and developing and promote to have practical value of machine driven system of new generation.
As shown in Figure 1, by external tooth and internal tooth collision system, can realize the simulation of the collision process of different-energy and different frequency, by hypervelocity video camera test macro from multiple measuring points simultaneously accurate recording kinematic trains at High Rotation Speed and be accompanied by the collision process of high frequency back and forth velocity perturbation condition, and the information such as position of collision and frequency of impact.
External tooth and internal tooth impact test system: external tooth and internal tooth impact test stand are as shown in Figure 2.This test-bed motor is the multithreading cam rotation at shaft end by shaft coupling drive installation, and cam rotates a circle, and impacts fork and external tooth and realizes multiple impacts, then by variable-frequency motor, can adjust collision frequency.The mode that is combined, uses different modulus teeth by multithreading cam from variable-frequency motor, has met the multi-state requirement of different collision energies, different collision frequencies.
The level of hypervelocity camera system trigger pulse requires the Transistor-Transistor Logic level for 5V, its low level is below 0.8v, high level is more than 2v, so trigger when hypervelocity camera system needs front end trigger module normality and be output as the low level below 0.8v, export at least high level of 2v when triggered as normal.Because the signal amplitude of the output of the piezoelectric sensor shown in employing Fig. 3 is less, only has a millivolt magnitude, need to be amplified to certain signal amplitude through amplifier, then by comparer, simulating signal and reference voltage after amplifying relatively be produced to a pulse that meets the Transistor-Transistor Logic level standard of 5V.
Amplifying circuit as shown in Figure 4, adopt the instrumentation amplifier of high cmrr to realize the preposition amplification of front end feeble signal, by regulating gain resistor Rg can realize the amplification to input signal hundreds of times, thereby piezoelectric sensor output signal is amplified to hundreds of millivolts of magnitudes.
Signal after above-mentioned amplification is converted to Transistor-Transistor Logic level physical circuit as shown in Figure 5, adopts high-speed comparator to realize.Reference voltage V
refafter fixed resistance R1 and adjustable potentiometer dividing potential drop, access comparator input terminal (IN-), the input reference voltage of comparer one end can be set, when being applied to the V of the comparer other end (IN+) by adjusting adjustable potentiometer R2
out1signal voltage is during higher than this reference voltage, and comparator output signal S_trig is high level (5V), realizes the triggering to hypervelocity camera system system; Work as V
out1output voltage is during lower than this reference voltage, and comparator output signal S_trig is low level (0V), can not trigger hypervelocity camera system.
In the description of this instructions, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claim and equivalent thereof.
Claims (8)
1. the hypervelocity photoelectricity camera chain proving installation of a machine driven system high frequency collision, it is characterized in that, comprise trigger module, described trigger module connects high-speed camera, when machine driven system high frequency collides, described trigger module sends trigger pip according to the change in displacement between the adaptability to changes variation of machine driven system collision object, collision object and the electric current thrin between collision object to high-speed camera, controls high-speed camera high frequency is collided and taken.
2. the hypervelocity photoelectricity camera chain proving installation that machine driven system high frequency collides according to claim 1, it is characterized in that, comprise: described trigger module is strain trigger module, described strain trigger module comprises foil gauge and strain trigger circuit, non-collision position between internal tooth and the external tooth of machine driven system arranges foil gauge, described foil gauge is electrically connected with strain trigger circuit, by foil gauge, send strain trigger pip to strain trigger circuit, strain trigger circuit connect high-speed camera, internal tooth by strain trigger circuit control high-speed camera to machine driven system and the collision of the high frequency of external tooth are taken.
3. the hypervelocity photoelectricity camera chain proving installation that machine driven system high frequency collides according to claim 2, is characterized in that, foil gauge is placed at the internal tooth place between internal tooth and the external tooth of machine driven system.
4. the hypervelocity photoelectricity camera chain proving installation that machine driven system high frequency collides according to claim 2, it is characterized in that, described strain trigger circuit comprise: adaptability to changes trigger module, wherein adaptability to changes trigger module comprises piezoelectric sensor, operational amplifier, comparer, fixed resistance and adjustable potentiometer, described piezoelectric sensor concatenation operation amplifier, through amplifier, be amplified to certain signal amplitude, operational amplifier is realized the preposition amplification of front end feeble signal; Described operational amplifier connects comparer, and described fixed resistance is connected high-speed comparator input end afterwards with adjustable potentiometer parallel connection.
5. the hypervelocity photoelectricity camera chain proving installation that machine driven system high frequency collides according to claim 1, it is characterized in that, described trigger module is that displacement triggers modular converter, and described displacement triggers modular converter and comprises displacement detection module, triggers change-over circuit and first control circuit
Described displacement detection module is arranged on the non-collision position between internal tooth and the external tooth of described machine driven system, described displacement detection module is transferred to described triggering change-over circuit for detection of the displacement between described internal tooth and external tooth and by described displacement signal, described triggering change-over circuit is converted to displacement signal electric signal and is transferred to first control circuit, by first control circuit, high-speed camera is controlled.
6. the hypervelocity photoelectricity camera chain proving installation that machine driven system high frequency collides according to claim 1, it is characterized in that, described trigger module is current trigger module, and described current trigger module comprises foil gauge, current triggering circuit and second control circuit
Described current triggering circuit connects foil gauge, by foil gauge, current triggering circuit is sent to strain signal, described current triggering circuit is converted to described strain signal current signal and sends to second control circuit, and described second control circuit is controlled high-speed camera.
7. the hypervelocity photoelectricity camera chain proving installation that machine driven system high frequency collides according to claim 1, is characterized in that, described machine driven system comprises: motor, shaft coupling, transmission shaft, cam, external tooth and internal tooth;
Described motor drives shaft coupling, controls transmission shaft work, and transmission shaft connects cam, and cam control external tooth and internal tooth carry out impact.
8. the hypervelocity photoelectricity camera chain proving installation that machine driven system high frequency collides according to claim 1, it is characterized in that, also comprise: signal conditioning package, described signal conditioning package connects high-speed camera machine host, and the Collision diagram picture that high-speed camera is taken carries out image processing by signal conditioning package.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320693848.8U CN203550950U (en) | 2013-11-05 | 2013-11-05 | Ultrahigh-speed photoelectric photography system testing device for high-frequency collision of mechanical transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320693848.8U CN203550950U (en) | 2013-11-05 | 2013-11-05 | Ultrahigh-speed photoelectric photography system testing device for high-frequency collision of mechanical transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203550950U true CN203550950U (en) | 2014-04-16 |
Family
ID=50469050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320693848.8U Expired - Fee Related CN203550950U (en) | 2013-11-05 | 2013-11-05 | Ultrahigh-speed photoelectric photography system testing device for high-frequency collision of mechanical transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203550950U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103558026A (en) * | 2013-11-05 | 2014-02-05 | 重庆大学 | Ultra-high-speed photoelectric camera system test platform for shooting high-frequency collisions of mechanical transmission system |
| CN109060542A (en) * | 2018-06-07 | 2018-12-21 | 南方电网科学研究院有限责任公司 | The system and method for crack image acquisition is triggered in the disc insulator water pressure test |
-
2013
- 2013-11-05 CN CN201320693848.8U patent/CN203550950U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103558026A (en) * | 2013-11-05 | 2014-02-05 | 重庆大学 | Ultra-high-speed photoelectric camera system test platform for shooting high-frequency collisions of mechanical transmission system |
| CN103558026B (en) * | 2013-11-05 | 2016-03-23 | 重庆大学 | The hypervelocity photoelectricity camera chain test platform of machine driven system high-frequency collision |
| CN109060542A (en) * | 2018-06-07 | 2018-12-21 | 南方电网科学研究院有限责任公司 | The system and method for crack image acquisition is triggered in the disc insulator water pressure test |
| CN109060542B (en) * | 2018-06-07 | 2021-05-04 | 南方电网科学研究院有限责任公司 | System and method for triggering crack image acquisition in basin-type insulator hydrostatic test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203811163U (en) | Flatness detection device | |
| CN101806617B (en) | Traction preventing device for sliding table of long-stroke horizontal vibrating table | |
| CN105445013A (en) | Automatic detection device for releasing force of hand automobile seat lock and sliding force of slide rail | |
| CN102735445A (en) | Device for measuring gearbox transmission precision based on double servo motors | |
| CN203550950U (en) | Ultrahigh-speed photoelectric photography system testing device for high-frequency collision of mechanical transmission system | |
| CN202693600U (en) | Photoelectric counter | |
| CN202729502U (en) | Elevator brake detecting device | |
| CN109030861B (en) | Synchronous device and method for measuring rotating component by particle image velocimeter in hydrodynamic test | |
| CN102789228B (en) | Detection device for mechanical cam controller | |
| CN207007067U (en) | The gap detection device of screw body | |
| CN103332549A (en) | Device and method for calibrating movement speed of elevator speed limiter | |
| CN202101682U (en) | Zero-pulse synchronous signal device for incremental encoder | |
| CN103558026A (en) | Ultra-high-speed photoelectric camera system test platform for shooting high-frequency collisions of mechanical transmission system | |
| CN206308643U (en) | Anticollision swing turnstile | |
| CN205067060U (en) | Display optical characteristic's automatic intelligent test equipment | |
| CN102508187A (en) | Speed parameter calibrating device of high-voltage switch mechanical characteristic tester | |
| CN202648946U (en) | Gear case transmission accuracy measuring device based on dual servo motor | |
| CN202582897U (en) | Ball screw test device | |
| CN203705151U (en) | Roller compaction testing machine for charging point of electric car | |
| CN204422192U (en) | Elevator governor tester | |
| CN203335065U (en) | Cable depth detection device | |
| CN103048078B (en) | Screw rod prepressing moving torque detection device | |
| CN103822743A (en) | Electrical testing device used for urban railway vehicle plug door mechanism | |
| WO2020220928A1 (en) | Displacement detection device, displacement control system, and 3d printing apparatus | |
| CN203083876U (en) | Tension testing device |
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: 20140416 Termination date: 20171105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |