CN203965461U - A kind of knotmeter for vehicle impact testing - Google Patents
A kind of knotmeter for vehicle impact testing Download PDFInfo
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- CN203965461U CN203965461U CN201320738850.2U CN201320738850U CN203965461U CN 203965461 U CN203965461 U CN 203965461U CN 201320738850 U CN201320738850 U CN 201320738850U CN 203965461 U CN203965461 U CN 203965461U
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- housing
- knotmeter
- impact testing
- vehicle impact
- laser
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Abstract
The utility model provides a kind of knotmeter for vehicle impact testing, belongs to vehicle impact testing technical field.It has solved existing knotmeter because automobile bumpiness causes the inaccurate problem of measurement result.This is for the knotmeter of vehicle impact testing, comprise a housing and a laser pick-off plate, in housing, be provided with two all towards the generating laser of laser pick-off plate, the surface of housing has display interface, in described housing, be also provided with central processing unit, above-mentioned generating laser, laser pick-off plate, display interface are all connected with central processing unit, on described housing, be also provided with can adjustment housings height governor motion.This knotmeter for vehicle impact testing can not be subject to the impact of vehicle, and measurement result accuracy is high.
Description
Technical field
The utility model belongs to vehicle impact testing technical field, relates to a kind of knotmeter for vehicle impact testing.
Background technology
Vehicle safety has become one of important topic that countries in the world automobile industry faces, people further investigate vehicle safety from many fields such as engineering in medicine, safety engineering, mechanics engineering, Dynamic Computer Simulation, but the net result of research need to carry out test evaluation with car crass.So-called automobile dummy impact test is simulated true man exactly in car crass with dummy; the effect of various physical quantitys while experiencing car crass to human body; and have data acquisition system (DAS) to convert digital signal to these physical quantitys to carry out computing machine processing; must locate the index at each position, and evaluate thus the protective capability of automobile to occupant.
Owing to all will carrying out repeatedly the impact test of different automobile types every day in laboratory, therefore each testing requirements and test parameters are also different, in impact test process, need to relate to a large amount of equipment, these equipment need to obtain a large amount of data characteristicses and support, as car speed, need to make accurate debugging to the equipment such as draw-gear and high speed video camera according to the speed of testing requirements, therefore there is the device of the front travel speeds of some measured automobiles collisions, as Chinese utility model patent application (201220464673.9) discloses a kind of vehicle impact testing speed measuring device, comprise the chi that tests the speed, mount pad, fixed head, be provided with the adjustment plate that at least one adjusts slotted hole, adjustment screw and adjusting nut that number is identical with the number of adjusting slotted hole, one end of described adjustment screw is threaded with adjusting nut through fixed head and adjustment slotted hole, one end of the described chi that tests the speed is fixedly connected with adjusting plate, and mount pad is fixedly connected with fixed head.Although this device can be measured the speed of vehicle, but vehicle impact testing requires more and more higher to the accuracy of vehicle speed measurement result at present, and be fixed on car body when the parts such as installing plate in said apparatus, automobile there will be and jolts while travelling on the track of laboratory, the speed so not only recording is inaccurate, in the process of jolting, also may encounter speed instrument simultaneously, thereby adopt the numerical value less than speed, we be can not be guaranteed by the speed parameter of reality.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of knotmeter for vehicle impact testing, and this knotmeter that is used for vehicle impact testing can not be subject to the impact of vehicle, and measurement result accuracy is high.
The purpose of this utility model can realize by following technical proposal: a kind of knotmeter for vehicle impact testing, comprise a housing and a laser pick-off plate, it is characterized in that, in described housing, be provided with two all towards the generating laser of laser pick-off plate, the surface of housing has display interface, in described housing, be also provided with central processing unit, above-mentioned generating laser, laser pick-off plate, display interface are all connected with central processing unit, on described housing, be also provided with can adjustment housings height governor motion.
Housing and laser pick-off plate lay respectively at the both sides of stock rail in laboratory, and are conventionally placed on the at the uniform velocity section before Vehicular impact, and vehicle is from crossing between the two; Two generating lasers in housing are respectively to laser pick-off plate Emission Lasers, laser pick-off plate can adopt silicon photocell, can output current signal after being hit by laser to central processing unit, central processing unit calculates the travel speed of vehicle according to the horizontal range between two of two laser signal intervals and two laser, this result can not be subject to the impact of traveling state of vehicle, accuracy is high, and this result can be displayed on the display interface of housing simultaneously; Governor motion can adjustment housings height, the height that can regulate laser to penetrate, thus be applicable to the vehicle of differing heights, applicability is strong.
At the above-mentioned knotmeter for vehicle impact testing, described housing is rectangular, offers two through holes on a side of housing, these two through hole along continuous straight runs layouts, and the laser of above-mentioned generating laser is through through hole directive laser pick-off plate.The arranged direction of two through holes is consistent with the travel direction of vehicle, facilitates the accurate calculating of speed.
At the above-mentioned knotmeter for vehicle impact testing, described governor motion comprises the cylindrical shell and the some adjusting bolts that are connected on housing downside, the axis of described cylindrical shell is perpendicular to housing downside, on the lateral wall of cylindrical shell lower end, be circumferentially evenly equipped with some rectangle back up pads, in described every back up pad, offer screw straight down, above-mentioned adjusting bolt coil is located in screw, and the end of adjusting bolt compresses ground.Cylindrical shell provides certain height for housing, and some parts in housing can be arranged in cylindrical shell simultaneously, and the plate of back up pad is facing to ground, and rotation adjusting bolt can make back up pad depart from ground, thereby plays the height regulating action of housing.
At the above-mentioned knotmeter for vehicle impact testing, described back up pad has three, and the downside of every back up pad flushes with cylindrical shell lower surface.Make housing held stationary, in the time not using, adjusting bolt is screwed out, back up pad and ground laminating, keep shell stability, also reduced the wearing and tearing of adjusting bolt.
At the above-mentioned knotmeter for vehicle impact testing, described governor motion comprises the cylindrical shell being connected on housing downside, the axis of described cylindrical shell is perpendicular to housing downside, on cylindrical shell, be arranged with a tubular pedestal, the barrel both sides of described cylindrical shell are along drum shaft to offering some pilot holes one, the both sides of described pedestal all offer a pilot hole two, and described pilot hole two aligns and wears with pilot hole one and is connected with bearing pin.After housing is too high, make pilot hole one align with pilot hole two, pass two pilot holes by bearing pin and fix, according to different requirement for height, make a pair of accurate pilot hole two of different pilot holes.
At the above-mentioned knotmeter for vehicle impact testing, described pilot hole one, along drum shaft to being uniformly distributed, is fixed with a base plate on the lower surface of described pedestal.The minor increment that housing can be regulated in the time of differing heights is identical, facilitates memory operation, and base plate can increase the contact area with ground, keeps shell stability.
At the above-mentioned knotmeter for vehicle impact testing, in described housing, be provided with accumulator, on the side of housing, offer a charging hole, above-mentioned accumulator is connected with central processing unit and charge port respectively.Accumulator, for for whole knotmeter provides electric energy, once charges and repeatedly uses, and certainly also can be connected use with extraneous power supply by electric wire.
At the above-mentioned knotmeter for vehicle impact testing, a switch is installed on the side of described housing, described switch is connected with central processing unit by electric wire.The power on/off of the whole knotmeter of switch control, easy to use.
Compared with prior art, this knotmeter for vehicle impact testing has the following advantages:
1, the both sides that lay respectively at stock rail due to housing and laser pick-off plate, the travel conditions of vehicle can not have influence on knotmeter and measurement result, and therefore measurement result accuracy is high.
2, owing to being provided with height adjustment mechanism on housing, height that can adjustment housings is to be suitable for different vehicles, and therefore applicability is high.
3, owing to need to, at vehicle upper mounting component, therefore can not affecting the weight of measurement, also save manpower, it is convenient to be suitable for.
Brief description of the drawings
Fig. 1 is this perspective view for the knotmeter of vehicle impact testing.
Fig. 2 is this structure front elevation for the knotmeter of vehicle impact testing.
Fig. 3 is this structure cut-open view for the knotmeter of vehicle impact testing.
Fig. 4 is this circuit block diagram for the knotmeter of vehicle impact testing.
Fig. 5 is the structure cut-open view of the knotmeter in embodiment bis-.
In figure, 1, housing; 11, display interface; 12, through hole; 13, charging hole; 14, accumulator; 15, switch; 2, laser pick-off plate; 3, generating laser; 4, governor motion; 41, cylindrical shell; 42, back up pad; 43, adjusting bolt; 44, pedestal; 45, pedestal; 46, pilot hole one; 47, pilot hole two; 48, bearing pin.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1 and Figure 2, for a knotmeter for vehicle impact testing, comprise a housing 1 and a laser pick-off plate 2, housing 1 and laser pick-off plate 2 lay respectively at the both sides of stock rail in laboratory, and be conventionally placed on the at the uniform velocity section before Vehicular impact, vehicle is from crossing between the two.Two generating lasers 3 are installed in housing 1, these two generating lasers 3 are all towards laser pick-off plate 2, the surface of housing 1 has display interface 11, is also provided with central processing unit in housing 1, and generating laser 3, laser pick-off plate 2, display interface 11 are all connected with central processing unit.Two generating lasers 3 in housing 1 are respectively to laser pick-off plate 2 Emission Lasers, laser pick-off plate 2 can adopt silicon photocell, can output current signal after being hit by laser to central processing unit, central processing unit calculates the travel speed of vehicle according to the horizontal range between two of two laser signal intervals and two laser, this result can not be subject to the impact of traveling state of vehicle, accuracy is high, display interface 11 is positioned on the upper side of housing 1, measurement result shows at display interface 11, reads conveniently.On housing 1, be also provided with a governor motion 4, the height that governor motion 4 can adjustment housings 1, the height that can regulate laser to penetrate, thus being applicable to the vehicle of differing heights, applicability is strong.
Specifically, shown in Fig. 3, Fig. 4, housing 1 is rectangular, on a housing 1 side side relative with laser pick-off plate 2, offer two through holes 12, these two through holes, 12 along continuous straight runs layouts consistent with the travel direction of vehicle, the laser of generating laser 3 is through through hole 12 directive laser pick-off plates 2.In housing 1, be provided with accumulator 14, on housing 1 and the opposing side side of laser pick-off plate 2, offer a charging hole 13, accumulator 14 is connected with central processing unit and charging hole 13 respectively, for whole knotmeter provides electric energy, once charging is repeatedly used, and certainly also can be connected use with extraneous power supply by electric wire.Housing 1 is also provided with a switch 15 on this side side, and switch 15 is connected with central processing unit by electric wire, controls the power on/off of whole knotmeter, easy to use.
Governor motion 4 comprises a cylindrical shell 41 and three adjusting bolts 43, the axis of cylindrical shell 41 is perpendicular to housing 1 downside, and cylindrical shell 41 upper surfaces and housing 1 downside are connected, on the lateral wall of lower end, be circumferentially evenly equipped with three rectangle back up pads 42, the lower face of back up pad 42 flushes with the lower surface of cylindrical shell 41 and towards ground, in every back up pad 42, offer screw straight down, adjusting bolt 43 coils are located in screw, the end of adjusting bolt 43 compresses ground, cylindrical shell 41 provides certain height for housing 1, some parts in housing 1 can be arranged in cylindrical shell 41 simultaneously.Rotation adjusting bolt 43 can make back up pad 42 depart from ground, thereby plays the height regulating action of housing 1, in the time not using, adjusting bolt 43 is screwed out, and back up pad 42 and ground laminating, keep housing 1 stable, also reduced the wearing and tearing of adjusting bolt 43.
Embodiment bis-:
This domain embodiment mono-of knotmeter that is used for vehicle impact testing is basic identical, difference is as shown in Figure 5, governor motion 4 comprises cylindrical shell 41 and pedestal 44, the axis of cylindrical shell 41 is perpendicular to housing 1 downside, and upper surface and housing 1 downside are connected, pedestal 44 is tubular and is set on cylindrical shell 41, is fixed with a base plate 45 on the lower surface of pedestal 44, base plate 45 and ground laminating.The barrel both sides of cylindrical shell 41 axially evenly offer pilot hole 1 along cylindrical shell 41, the both sides of pedestal 44 all offer a pilot hole 2 47, pilot hole 2 47 aligns and wears with one of them pilot hole 1 and is connected with bearing pin 48, according to different requirement for height, make different pilot hole 1 aim at pilot hole 2 47, thereby reach the requirement of adjustment housings 1 height.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used the terms such as housing 1, display interface 11, through hole 12, charging hole 13, accumulator 14, switch 15, laser pick-off plate 2, generating laser 3, governor motion 4, cylindrical shell 41, back up pad 42, adjusting bolt 43, pedestal 44, pedestal 45, pilot hole 1, pilot hole 2 47, bearing pin 48 herein, do not got rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (5)
1. the knotmeter for vehicle impact testing, comprise a housing (1) and a laser pick-off plate (2), it is characterized in that, in described housing (1), be provided with two all towards the generating laser (3) of laser pick-off plate (2), the surface of housing (1) has display interface (11), described housing is also provided with central processing unit in (1), above-mentioned generating laser (3), laser pick-off plate (2), display interface (11) is all connected with central processing unit, on described housing (1), be also provided with can adjustment housings (1) governor motion (4) of height, described governor motion (4) comprises the cylindrical shell (41) and the some adjusting bolts (43) that are connected on housing (1) downside, the axis of described cylindrical shell (41) is perpendicular to housing (1) downside, on the lateral wall of cylindrical shell (41) lower end, be circumferentially evenly equipped with some rectangle back up pads (42), in described every back up pad (42), offer screw straight down, above-mentioned adjusting bolt (43) coil is located in screw, the end of adjusting bolt (43) compresses ground.
2. the knotmeter for vehicle impact testing according to claim 1, it is characterized in that, described housing (1) is rectangular, on a side of housing (1), offer two through holes (12), this two through holes (12) along continuous straight runs layout, the laser of above-mentioned generating laser (3) is through through hole (12) directive laser pick-off plate (2).
3. the knotmeter for vehicle impact testing according to claim 2, is characterized in that, described back up pad (42) has three, and the downside of every back up pad (42) flushes with cylindrical shell (41) lower surface.
4. the knotmeter for vehicle impact testing according to claim 3, it is characterized in that, in described housing (1), be provided with accumulator (14), on the side of housing (1), offer a charging hole (13), above-mentioned accumulator (14) is connected with central processing unit and charging hole (13) respectively.
5. the knotmeter for vehicle impact testing according to claim 4, is characterized in that, a switch (15) is installed on the side of described housing (1), and described switch (15) is connected with central processing unit by electric wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320738850.2U CN203965461U (en) | 2013-11-19 | 2013-11-19 | A kind of knotmeter for vehicle impact testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320738850.2U CN203965461U (en) | 2013-11-19 | 2013-11-19 | A kind of knotmeter for vehicle impact testing |
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| Publication Number | Publication Date |
|---|---|
| CN203965461U true CN203965461U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320738850.2U Expired - Fee Related CN203965461U (en) | 2013-11-19 | 2013-11-19 | A kind of knotmeter for vehicle impact testing |
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| Country | Link |
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| CN (1) | CN203965461U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954534A (en) * | 2016-06-15 | 2016-09-21 | 吉林大学 | Moving vehicle wheel velocity detection system based on surface structured light and photoresistors |
-
2013
- 2013-11-19 CN CN201320738850.2U patent/CN203965461U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954534A (en) * | 2016-06-15 | 2016-09-21 | 吉林大学 | Moving vehicle wheel velocity detection system based on surface structured light and photoresistors |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20191119 |