CN206788010U - A kind of propulsion test device - Google Patents
A kind of propulsion test device Download PDFInfo
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- CN206788010U CN206788010U CN201720398654.3U CN201720398654U CN206788010U CN 206788010 U CN206788010 U CN 206788010U CN 201720398654 U CN201720398654 U CN 201720398654U CN 206788010 U CN206788010 U CN 206788010U
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- thrust
- push rod
- test device
- block pad
- propulsion test
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Abstract
The utility model discloses a kind of propulsion test device, belongs to testing tool field.The propulsion test device includes thrust block pad,The thrust measurement device of push rod and the active force on detection push rod,One end of push rod is connected with thrust measurement device,Thrust block pad is rotatably arranged in the other end of push rod,And the pivot center of thrust block pad is perpendicular to push rod,Thrust block pad is provided with the contact plane for being used for contacting with LED side wall,The angle detector for detecting the angle between contact plane and push rod is provided with push rod,In test time shift dynamicthrust detector,Contact contact plane and the side wall of the LED in lamp bar to be tested,Because thrust block pad can be around the axis rotation perpendicular to push rod,Therefore thrust block pad can rotate under thrust,Until contact plane is bonded with LED side wall,The goniometer that the thrust and angle detector measured by thrust measurement device detects is calculated on push rod in the component perpendicular to contact plane direction,It ensure that the accuracy of test.
Description
Technical field
Testing tool field is the utility model is related to, more particularly to a kind of propulsion test device.
Background technology
Light emitting diode (English：Light Emitting Diode, referred to as：LED) it is used as great shadow in photoelectronic industry
Ring power new product, have the characteristics that small volume, service life are long, various colors are colorful, energy consumption is low, be widely used in illuminate,
The fields such as display screen, signal lamp, backlight, toy.
LED would generally be soldered on circuit board, and LED light bar use is made.LED light bar is after completing, it is necessary to right
LED carries out thrust test, with detect between LED and circuit board whether firm welding.Pushing away usually using a kind of hand-held at present
Force tester carries out LED thrust tests, and in test, tester one holds thrust tester, is on the other hand pressed on LED light bar
On desktop, apply thrust, the reading shown on thrust tester to the LED side walls in LED lamp bars with the push rod of thrust tester
It is exactly the thrust size that push rod is acted on LED.
In test process, the direction of thrust is by tester's control, it is difficult to ensures that thrust acts on perpendicular to LED side wall
On LED, if the direction of thrust and LED side wall out of plumb, horizontal thrust of the practical function on LED is only to push away
One component of the thrust that bar is acted on LED, the i.e. size of horizontal thrust of the practical function on LED are tested less than thrust
Display numerical value on instrument, so as to cause test result inaccurate.
Utility model content
In order to solve in the test of existing LED thrusts, the problem of thrust direction can not ensure to cause test result inaccuracy, this
Utility model embodiment provides a kind of propulsion test device.The technical scheme is as follows：
The utility model embodiment provides a kind of propulsion test device, and the propulsion test device includes thrust block pad, pushed away
Bar and the thrust measurement device for detecting the active force on the push rod, one end of the push rod are connected with the thrust measurement device, institute
State the other end that thrust block pad is rotatably arranged in the push rod, and the pivot center of the thrust block pad is perpendicular to the push rod,
The thrust block pad is provided with the contact plane for being used for contacting with LED side wall, is provided with the push rod for detecting described connect
Touch the angle detector of the angle between plane and the push rod.
Preferably, the propulsion test device also includes base and slide rail, and the slide rail is arranged on the base, described
Thrust measurement device is slidably arranged on the slide rail.
Further, the propulsion test device also includes expansion link and for controlling stretching for the expansion link collapsing length
Contracting mechanism, the telescoping mechanism are arranged on the base, and one end of the expansion link is connected with the telescoping mechanism, described to stretch
The other end of contracting bar is used to promote the thrust measurement device, and the telescopic direction of the expansion link is parallel with the slide rail.
Preferably, the telescoping mechanism includes one in gear drive, thread transmission, ball screw framework
Kind.
Preferably, the propulsion test device also includes lamp bar supporting table and the fixation for fixing lamp bar to be tested is controlled
Tool, the fixed jig are arranged in the lamp bar supporting table.
Alternatively, chute is provided with the lamp bar supporting table, the fixed jig is slidably disposed on the chute
In.
Preferably, the fixed jig is provided with vacuum suction structure.
Further, the thrust measurement device includes pressure sensor, processor and display, the angle detector with
The processor electrical connection, the display electrically connect with the processor, and the processor is used to be detected according to the angle
The thrust meter that the angle and the pressure sensor that device detects detect be can be regarded as with the thrust on LED.
Alternatively, when the contact plane is bonded with the side wall of the LED, the side wall of the LED is in the contact plane
On orthographic projection be located in the contact plane.
Alternatively, the thrust block pad is movably disposed on the push rod along the pivot center.
The beneficial effect brought of technical scheme that the utility model embodiment provides is：By setting thrust on push rod
Block, in test, mobile thrust measurement device, contact contact plane and the side wall of the LED in lamp bar to be tested, due to thrust block pad
Can be around the axis rotation perpendicular to push rod, therefore thrust block pad can rotate automatically under thrust, until contact plane
It is bonded with LED side wall, forming face contact, angle detector can detect the angle between contact plane and push rod, pass through
The goniometer that the thrust and angle detector that thrust measurement device measures detect is calculated on push rod perpendicular to contact plane direction
Component, the component is the thrust that acts on LED, and the component is vertical with LED side wall, it is ensured that the accuracy of test.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of structural representation for propulsion test device that the utility model embodiment provides；
Fig. 2 is a kind of schematic diagram for thrust block pad that the utility model embodiment provides；
Fig. 3 is the structural representation for another propulsion test device that the utility model embodiment provides；
Fig. 4 is a kind of structural representation for gear drive that the utility model embodiment provides；
Fig. 5 is a kind of structural representation for thread transmission that the utility model embodiment provides；
Fig. 6 is a kind of structural representation for thread bush support that the utility model embodiment provides；
Fig. 7 is a kind of structural representation for thread bush that the utility model embodiment provides；
Fig. 8 is a kind of structural representation for ball screw framework that the utility model embodiment provides；
Fig. 9 is the structural representation for another propulsion test device that the utility model embodiment provides；
Figure 10 is Fig. 9 top view；
Figure 11 is a kind of top view for fixed jig that the utility model embodiment provides；
Figure 12 is a kind of structural representation for thrust measurement device that the utility model embodiment provides；
Figure 13 is a kind of scheme of installation for thrust block pad that the utility model embodiment provides；
Figure 14 is the close-up schematic view for another propulsion test device that the utility model embodiment provides；
Figure 15 is a kind of partial structural diagram for push rod that the utility model embodiment provides；
Figure 16 is the scheme of installation for another thrust block pad that the utility model embodiment provides；
Figure 17 is Figure 16 top view；
Figure 18 is a kind of use state diagram for propulsion test device that the utility model embodiment provides.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type embodiment is described in further detail.
Fig. 1 is a kind of structural representation for propulsion test device that the utility model embodiment provides., should as shown in Fig. 1
Propulsion test device include thrust block pad 12, push rod 11 and detection push rod on active force thrust measurement device 10, the one of push rod 11
End is connected with thrust measurement device 10, and thrust block pad 12 is rotatably arranged in the other end of push rod 11.
Fig. 2 is a kind of schematic diagram for thrust block pad that the utility model embodiment provides, as shown in Fig. 2 thrust block pad 12 turns
Shaft line (dotted line in such as Fig. 2) is perpendicular to push rod 11.Thrust block pad 12 is provided with the contact for being used for contacting with LED side wall and put down
Face 12a.With reference to Fig. 1, the angle for detecting the angle between contact plane 12a and push rod 11 is provided with push rod 11 and is detected
Device 13.
The utility model embodiment on push rod by setting thrust block pad, in test, mobile thrust measurement device, makes contact
Plane contacts with the side wall of the LED in lamp bar to be tested, because thrust block pad can be around the axis rotation perpendicular to push rod, therefore pushes away
Power block can rotate automatically under thrust, until contact plane is bonded with LED side wall, forming face contact, angle inspection
Survey device can detect the angle between contact plane and push rod, the thrust measured by thrust measurement device and angle detector inspection
The goniometer measured is calculated in the component perpendicular to contact plane direction on push rod, and the component is the thrust acted on LED,
The component is vertical with LED side wall, it is ensured that the accuracy of test.
It should be noted that, although the thrust block pad 12 shown in Fig. 2 is cuboid-type, but in other embodiments, thrust
Block 12 can also be other geometries, and the geometry has a contact plane, such as dome-type, and the utility model is not
As limit.
Preferably, when contact plane 12a is bonded with LED side wall, the orthographic projection of LED side wall on contact plane is located at
In contact plane 12a.So that thrust block pad 12 and LED contact area is bigger, the pressure that LED is subject to can be reduced, avoid due to
Pressure is excessive and causes LED damaged.
In addition, thrust block pad 12 can be detachably connected with push rod 11, the propulsion test device can also include different size
A variety of thrust block pads 12, (size a) in such as Fig. 2 and width are (in such as Fig. 2 for the contact plane 12a of a variety of thrust block pads 12 length
The ratio between size b) can also be different, different test requests is adapted to by the thrust block pad 12 for changing different.
Fig. 3 is the structural representation for another propulsion test device that the utility model embodiment provides.As shown in Fig. 3,
The propulsion test device also includes base 20 and slide rail 21.Slide rail 21 is arranged on base 20, and thrust measurement device 10, which slides, to be set
On slide rail 21.Slide rail 21 is set on base 20, by the way that thrust measurement device 10 is arranged on slide rail 21 so that can survey
During examination, slide rail 21 is placed into horizontality, promotes thrust measurement device 10 to be slided along slide rail 21, ensures the direction Yan Shui of thrust
Square in the side wall for acting on LED so that test result is more accurate.
In one embodiment, propulsion test device also includes expansion link 31 and for controlling expansion link collapsing length
Telescoping mechanism 30.Telescoping mechanism 30 is arranged on base 20, and one end of expansion link 31 is connected with telescoping mechanism 30, expansion link 31
The other end is used to promote thrust measurement device 10, and the telescopic direction of expansion link 31 is parallel with slide rail 21.Telescoping mechanism 30 can control
The flexible length of expansion link 31, so as to promote thrust measurement device 10, when being tested, by controlling expansion link 31 to extend, makes
Expansion link 31 is resisted against on thrust measurement device 10, so as to promote thrust measurement device 10 to move, and can pass through telescoping mechanism 30
Control the flexible length of expansion link 31 to change the thrust size on push rod 11, the thrust on push rod 11 can be made more steady,
Thrust is avoided larger fluctuation occur and cause LED breakage, the length of slide rail 21 can be according to the telescopic extensions of expansion link 31
It is determined that, it is ensured that slide rail 21 has enough length expansion link 31 is stretched to most long and most short.
When realizing, expansion link 31 can be fixedly connected with thrust measurement device 10.
Specifically, telescoping mechanism 30 can be one in gear drive, thread transmission, ball screw framework
Kind.Stretching for expansion link 31 can more smoothly be controlled using gear drive, thread transmission, ball screw framework
Contracting, and the flexible length of expansion link 31 is easily controlled, it is easy to adjust the thrust size on push rod 11.
Alternatively, thrust measurement device 10 can be thrust meter.
Fig. 4 is a kind of structural representation for gear drive that the utility model embodiment provides.As shown in Fig. 4, tooth
Wheel drive mechanism can include gear 41 and rack 42, and rack 42 is engaged with gear 41, and gear 42 is installed by gear stand 44
On base 20, rack 42 is slidably arranged on base 20, and one end of rack 42 is connected with expansion link 31, by controlling gear
41 rotate, so that rack 42 drives expansion link 31 flexible, and then promote thrust measurement device 10.
When realizing, gear stand 44 includes rack body 44a and gear shaft 44b, gear shaft 44b and rack body 44a can
Rotation connection, gear shaft 44b are fixedly and coaxially connected with gear 41, and gear drive can also include gear transmission unit, tooth
Power unit is taken turns to rotate to gear shaft.
Alternatively, gear transmission unit can be motor or joystick 45, the rotating shaft of motor or joystick 45
Rotating shaft is coaxially connected with gear shaft.
Fig. 5 is a kind of structural representation for thread transmission that the utility model embodiment provides.As shown in Fig. 5, spiral shell
Line transmission mechanism can include threaded rod 51, thread bush 52 and thread bush support 53.Thread bush support 53 can be arranged on base
On 20, be provided with manhole on thread bush support 53, thread bush 52 by can around own axis in a manner of be inserted into circle
In through hole, and the axial limiting of thread bush 52 is arranged in manhole, and one end of threaded rod 51 and expansion link 31 are coaxially connected, spiral shell
The other end of rasp bar 51 is inserted into thread bush 52, and threaded rod 51 is threadedly coupled with thread bush 52, so as to by rotating spiral shell
Line set 52 makes the axis direction movement of the threadingly bar 51 of threaded rod 51, so as to realize the flexible of expansion link 31.
When realizing, axial limit structure is provided with thread bush support 53, to limit the axial movement of thread bush 52.
Fig. 6 is a kind of structural representation for thread bush support that the utility model embodiment provides, and Fig. 7 is the utility model
A kind of structural representation for thread bush that embodiment provides.With reference to Fig. 6 and Fig. 7, axial limit structure can include inward flange
53a, inward flange 53a are arranged on the inwall of manhole, are provided with what is be adapted with inward flange 53a on the outer wall of thread bush 52
Annular groove 52a, when thread bush 52 is arranged on thread bush support 53, inward flange 53a is stretched into annular groove 52a, so as to screw thread
Set 52 realizes axial limiting.
It is contemplated that thread bush support 53 could be arranged to split component, such as the thread bush support 53 in Fig. 6 can
To be spliced by two parts, in order to which thread bush 52 is installed on thread bush support 53.
In addition, thread transmission can also include screw thread power unit, screw thread power unit is used to drive thread bush to turn
It is dynamic.
When realizing, screw thread power unit can be motor or joystick 54, the rotating shaft of motor or joystick 54 and spiral shell
Line set is coaxially connected.
Fig. 8 is a kind of structural representation for ball screw framework that the utility model embodiment provides, as shown in Fig. 8, rolling
Screw mechanism can include leading screw 61, feed screw nut 62 and leading screw support 63, and leading screw support 63 is arranged on base 20, silk
Thick stick 61 is spindle rotationally arranged on leading screw support 63, and the axis direction of leading screw 61 is parallel with the telescopic direction of expansion link 31, silk
Thick stick nut 62 is engaged with leading screw 61, and feed screw nut 62 is also connected with expansion link 31, by controlling leading screw 61 to rotate, so as to
So that feed screw nut 62 moves along leading screw 61, the flexible of expansion link 31 is realized.
When realizing, ball screw framework can also include leading screw power unit, in order to drive leading screw to rotate.
Alternatively, leading screw power unit can be motor or joystick 64, and the rotating shaft of motor can be same with leading screw 61
Axis connection.
As shown in figure 8, joystick 64 can include connecting rod 641 and rocking bar 642, one end of connecting rod 641 and the one of rocking bar 642
End connection, and connecting rod 641 is mutually perpendicular to rocking bar 642, the other end of connecting rod 641 is connected with one end of leading screw 61, and connecting rod 641
It is mutually perpendicular to leading screw 61, so as to which by shaking rocking bar 642, driving leading screw 61 rotates, it is preferable that may be used also on rocking bar 642
To be arranged sleeve 643, sleeve 643 is rotatably connected on rocking bar 642, by setting sleeve 643 conveniently to shake rocking bar 642.
It is contemplated that telescoping mechanism 30 can also be the mechanism that other controllable expansion links 31 uniformly stretch.
Fig. 9 is the structural representation for another propulsion test device that the utility model embodiment provides, and Figure 10 is Fig. 9
Top view.As shown in Figures 9 and 10, propulsion test device can also include lamp bar supporting table 70 and for fixing lamp to be tested
The fixed jig 71 of bar, fixed jig 71 are arranged in lamp bar supporting table 70.Set lamp bar supporting table 70 and fixed jig 71 can
So that adhesive tape need not be used to fix LED light bar, it is easy to that LED light bar is fixed, is conveniently tested.
Preferably, chute 70a is provided with lamp bar supporting table 70, fixed jig 71 is slidably disposed in chute 70a.
When being tested, it usually needs the LED of multiple diverse locations in test lamp bar, can be complete by setting chute 70a
Fixed jig 71 is slided along chute 70a after into LED test, another LED is alignd with thrust block pad 12, in order to test
Another LED.
Wherein, chute 70a length direction can be vertical with slide rail 21.
Further, chute 70a section can be inverted T-shaped or trapezoidal, can avoid the loosening of fixed jig 71.
It should be noted that, although the base 20 shown in Figure 10 is rectangle, in other embodiments, base 20 also may be used
To be circular or other geometries.
As shown in Figure 10, twice slide rail 21 can be arranged on base 20, the parallel interval of twice slide rail 21 is set, and passes through arrangement
Twice slide rail 21 can make the slip of thrust measurement device 10 more steady.
Reference picture 9, slide rail 21 can be provided in the bar-shaped trough on base 20, be provided with thrust measurement device 10 and bar shaped
The projection that groove is adapted, raised corresponded with bar-shaped trough are set, and pass through the raised cooperation limit thrust detector with bar-shaped trough
10 movement on the length direction perpendicular to slide rail 21.
It is contemplated that slide rail 21 can also use other structures form, such as ball guide etc., the utility model reality
Example is applied to be not limited thereto.
In the present embodiment, base 20 can be rectangle, length direction arrangement of the slide rail 21 along rectangular base 20,
And twice slide rail 21 is arranged on two sides of base 20, increases the spacing between twice slide rail 21 as far as possible, be advantageous to make
The slip of thrust measurement device 10 is more steady.
It is contemplated that in other embodiments, base 20 can also be in other geometries, such as positive direction, circle
Shape etc..
Figure 11 is a kind of top view for fixed jig that the utility model embodiment provides, as shown in figure 11, fixed jig
Lamp bar mounting groove 711 is provided with 71, when being tested, LED light bar can be placed into lamp bar mounting groove 711, so as to
It is fixed in LED light bar.
Preferably, vacuum suction structure can be provided with fixed jig 71.By setting vacuum to inhale on fixed jig 71
Attached structure, after lamp bar is placed on fixed jig 71, light fixture to be tested can be adsorbed by vacuum suction structure, avoid surveying
During examination, light fixture moves.
When realizing, vacuum suction structure can include vacuum absorption holes 71a and vacuumize hole 71b.Vacuum absorption holes 71a is set
Put in the one side of the remote lamp bar supporting table 70 of fixed jig 71, vacuumize hole 71b can be arranged on fixed jig 71 with
Lamp bar supporting table 70 not in contact with one side on, after lamp bar is placed on fixed jig 71, by from vacuumizing in the 71b of hole
The air inside fixed jig 71 is extracted out, so as to which lamp bar is adsorbed on vacuum absorption holes 71a.
Specifically, vacuum absorption holes 71a can be evenly distributed on the bottom land of lamp bar mounting groove 711, to cause lamp to be placed
It is more firm.As shown in figure 11,2 vacuum adsorbed hole 71a are distributed with the bottom land of lamp bar mounting groove 711, per vacuum adsorbed
Hole 71a arranges along the length direction of lamp bar mounting groove 711.
Preferably, be provided with multirow vacuum absorption holes 71a on fixed jig 71, and vacuum absorption holes 71a line space with
Spacing in often going between two adjacent vacuum absorption holes 71a is equal, so that vacuum absorption holes 71a distribution is more equal
Even, the absorption affinity that can be subject to LED light bar is more uniform.
Further, the propulsion test device can include multiple fixed jigs 71, the lamp bar on multiple fixed jigs 71
The size and shape of mounting groove 711 can be different, suitable so as to be selected according to the LED lamp bars of different shape and size
Fixed jig 71 is tested.
Figure 12 is a kind of structural representation for thrust measurement device that the utility model embodiment provides, should as shown in Figure 12
Thrust measurement device can include pressure sensor 81, processor 82 and display 83, and angle detector 13 is electrically connected with processor 82
Connect, display 83 electrically connects with processor 82, and processor 82 is used for the angle detected according to angle detector 13 and pressure passes
The thrust meter that sensor 81 detects be can be regarded as with the thrust on LED.The contact plane that angle detector 13 will can detect
Angle between 12a and push rod 11 is transferred in processor 82, and processor 82 can according to the thrust size on push rod 11 and angle
To calculate the size of the normal thrust acted on LED, and it is shown on display 83, can conveniently obtains testing result.
In addition, display 83 can also show the size of the angle between contact plane 12a and push rod 11 and the thrust on push rod 11,
In order to be tested, referring to Figure 10, display 83 can be arranged on the surface of remote base 20 of thrust measurement device 10,
In order to which tester checks.
When realizing, angle detector 13 can be angular transducer.
Preferably, thrust block pad 12 is movably disposed on push rod 11 along pivot center.For different lamp bars, it is placed on
When in lamp bar supporting table 70, the height and position of the LED in lamp bar may be different, by changing the in the vertical direction of thrust block pad 12
Position, so as to test the LED of different height position.
Figure 13 is a kind of scheme of installation for thrust block pad that the utility model embodiment provides, as shown in figure 13, thrust block pad
12 for fin 122 can be set on the surface that is connected with push rod 11, the cross section of fin 122 is arched, push rod 11 with
Thrust block pad 12 connect one end end face on set fluted 112, the cross section of groove 112 is arched, groove 112 it is transversal
The radius of the arc of the arch in face is identical with the radius of the arc of the arch of the cross section of fin 122, and the bow of the cross section of groove 112
The arc length of shape is less than the arc length of the arch of the cross section of fin 122, and the cross section of fin 122 and the cross section of groove 112 are
Major arc bends, and the length of fin 122 in the axial direction is more than the length of groove 112 in the axial direction, and fin 122 is slidably arranged in
In groove 112.So as to rotate thrust block pad 12 in the range of certain angle, and can also be adjusted along the axis direction of groove 112
The position of thrust block pad 12 is saved, by the way that thrust block pad 12 is pressed in LED side wall, thrust block pad 12 can be avoided in test process
Slided along groove 112.Simultaneously because the cross section of fin 122 and the cross section of groove 112 are major arc bow, the arc of major arc bow
More than 180 °, therefore fin 122 can be avoided to deviate from from groove 112.
Preferably, the degree of the number of degrees of the arc of the arch of the cross section of fin 122 and the arc of the arch of the cross section of groove 112
The difference of number is no more than 90 °, so that the angular range that thrust block pad 12 rotates is no more than 90 °.
Further, when the angle between contact plane 12a and push rod 11 is 90 °, the cross section of fin 122 and groove
112 cross section is symmetrical on push rod 11, so that thrust block pad 12 can be rotated to two opposite directions, and can
The maximum angle of rotation is identical.
Further, the number of degrees of the arc of the arch of the cross section of fin 122 and the arc of the arch of the cross section of groove 112
The number of degrees difference be 20 °~40 ° so that thrust block pad 12 can rotate 10 °~20 ° to two opposite directions, due to same
The angle change of multiple LED installations in individual LED light bar is simultaneously little, generally only changes within 5 °, therefore turn of thrust block pad 12
Dynamic scope meets the test request of most of LED light bar in 20 °~40 ° of cans.In use, thrust block pad 12 is advantageous to
The angle of inclination of adaptive LED makes contact plane 12a be bonded with LED side wall, and thrust is rotated manually without operating personnel
Block 12, further increase the efficiency of test.
Preferably, propulsion test device can also include position-limit mechanism, and position-limit mechanism is used for limit thrust block 12 and groove
Relative slip between 112, so as to after height and position regulation is carried out to thrust block pad 12, avoid thrust block pad 12 along under groove 112
It is sliding.
Figure 14 is the close-up schematic view for another propulsion test device that the utility model embodiment provides.Such as Figure 14
Shown, position-limit mechanism can include elastic spacing card 1221, and elastic spacing card 1221 is curved, and elastic spacing card 1221 is fastened on
On fin 122.After height and position regulation is carried out to thrust block pad 12, elastic spacing card 1221 is fastened on fin 122, makes bullet
Property limiting card 1221 is supported on push rod 11, so as to avoid thrust block pad 12 from being glided along groove 112.
When realizing, elastic spacing card 1221 can be elastic rubber or elastic plastic member or other have
The structural member of elasticity.
In another implementation of the present utility model, propulsion test device can also include clamp system, clamping machine
Structure is arranged on one end being connected with thrust block pad 12 of push rod 11, and clamp system is used to make phase between push rod 11 and thrust block pad 12
To fixation, so as to avoid the thrust block pad 12 in test process from moving.
Figure 15 is a kind of partial structural diagram for push rod that the utility model embodiment provides.As shown in figure 15, clamp
Mechanism can include screw rod 11b and binding nut 11b, and the bar along the length direction extension of push rod 11 is additionally provided with push rod 11
Shape breach 11a, strip breach 11a one end connect with groove 112, are provided with push rod 11 along the length perpendicular to push rod 11
The through hole of direction extension, through hole runs through push rod 11, and through hole connects with strip breach 11a, and screw rod 11b is plugged in through-holes, folder
Tight nut 11b is arranged on push rod 11, so as in the height and position of regulation thrust block pad 12, and contact plane 12a and LED
After side wall fitting, groove 112 is clamped on fin 122 by tightening binding nut 11b, realize the fixation of thrust block pad 12, keep away
Exempt from thrust block pad 12 to move, be convenient for testing.
Figure 16 is the scheme of installation for another thrust block pad that the utility model embodiment provides, and Figure 17 is bowing for Figure 16
View.With reference to Figure 16 and Figure 17, angular transducer 90 has the rotating shaft 91 of a detection, and thrust block pad 12 can be arranged on angle biography
In the rotating shaft 91 of sensor 90, axis direction of the angular transducer 90 along rotating shaft 91 is movably disposed on push rod 11.
Specifically, fin 92 can also be set on the outer wall of angular transducer 90, and fin 92 is slidably arranged in groove 111
In.Further, fin 92 can be prismatic fin.
It should be noted that in the embodiment shown in fig. 15, clamp system can also be set, to adjust on push rod 11
After the height and position of angular transducer 90, angular transducer 90 is avoided to glide, the concrete structure of clamp system is referred to Figure 14
Shown embodiment, is no longer described in detail herein.
Figure 17 is a kind of use state diagram for propulsion test device that the utility model embodiment provides, such as Figure 17 institutes
Show, LED light bar 200 to be tested is provided with the first LED201, the 2nd LED202 and the 3rd LED203.
When testing the first LED201, the contact plane 12a and the first LED201 of thrust block pad 12 side wall patch
Close, the angle theta between contact plane 12a and push rod 111For right angle, the thrust size on push rod 11 is F1, then first is acted on
Thrust F in LED201 side wall201=F1×Sinθ1=F1。
When testing the 2nd LED202, the contact plane 12a and the 2nd LED202 of thrust block pad 12 side wall patch
Close, the angle theta between contact plane 12a and push rod 112For acute angle, now the thrust size on push rod 11 is F2, then is acted on
Thrust F in two LED202 side wall202=F2×Sinθ2＜ F2。
When testing the 3rd LED203, the contact plane 12a and the 3rd LED203 of thrust block pad 12 side wall patch
Close, the angle theta between contact plane 12a and push rod 113Also it is acute angle, now the thrust size on push rod 11 is F3, then act on
Thrust F in 2nd LED202 side wall203=F3×Sinθ3＜ F3。
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (10)
1. a kind of propulsion test device, it is characterised in that the propulsion test device includes pushing away described in thrust block pad, push rod and detection
The thrust measurement device of active force on bar, one end of the push rod are connected with the thrust measurement device, and the thrust block pad is rotatable
Ground is arranged on the other end of the push rod, and the pivot center of the thrust block pad is set on the push rod, the thrust block pad
There is the contact plane contacted for the side wall with LED, be provided with the push rod and pushed away for detecting the contact plane with described
The angle detector of angle between bar.
2. propulsion test device according to claim 1, it is characterised in that the propulsion test device also include base and
Slide rail, the slide rail are arranged on the base, and the thrust measurement device is slidably arranged on the slide rail.
3. propulsion test device according to claim 2, it is characterised in that the propulsion test device also includes expansion link
With the telescoping mechanism for controlling the expansion link collapsing length, the telescoping mechanism is arranged on the base, described flexible
One end of bar is connected with the telescoping mechanism, and the other end of the expansion link is used to promote the thrust measurement device, described flexible
The telescopic direction of bar is parallel with the slide rail.
4. propulsion test device according to claim 3, it is characterised in that the telescoping mechanism be gear drive,
One kind in thread transmission, ball screw framework.
5. propulsion test device according to claim 1, it is characterised in that the propulsion test device also includes lamp bar branch
Support platform and the fixed jig for fixing lamp bar to be tested, the fixed jig are arranged in the lamp bar supporting table.
6. propulsion test device according to claim 5, it is characterised in that chute is provided with the lamp bar supporting table,
The fixed jig is slidably disposed in the chute.
7. propulsion test device according to claim 5, it is characterised in that the fixed jig is provided with vacuum suction knot
Structure.
8. according to the propulsion test device described in any one of claim 1~7, it is characterised in that the thrust measurement device includes
Pressure sensor, processor and display, the angle detector electrically connect with the processor, the display and the place
Device electrical connection is managed, the processor is used for the angle detected according to the angle detector and the pressure sensor detects
Thrust meter can be regarded as with the thrust on LED.
9. according to the propulsion test device described in any one of claim 1~7, it is characterised in that the contact plane with it is described
During LED side wall fitting, the orthographic projection of the side wall of the LED on the contact plane is located in the contact plane.
10. according to the propulsion test device described in any one of claim 1~7, it is characterised in that the thrust block pad turns along described
Shaft line is movably disposed on the push rod.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720398654.3U CN206788010U (en) | 2017-04-14 | 2017-04-14 | A kind of propulsion test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720398654.3U CN206788010U (en) | 2017-04-14 | 2017-04-14 | A kind of propulsion test device |
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| Publication Number | Publication Date |
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| CN206788010U true CN206788010U (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720398654.3U Expired - Fee Related CN206788010U (en) | 2017-04-14 | 2017-04-14 | A kind of propulsion test device |
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| CN (1) | CN206788010U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051127A (en) * | 2017-12-28 | 2018-05-18 | 深圳创维－Rgb电子有限公司 | A kind of lamp bar push-pull effort test fixture |
| CN109883577B (en) * | 2019-03-13 | 2021-11-19 | 惠州市长方照明节能科技有限公司 | Slidable thrust test fixture |
| CN114267774A (en) * | 2021-12-24 | 2022-04-01 | 深圳国冶星光电科技股份有限公司 | Chip LED die bonding method for chip nixie tube |
| WO2023244503A1 (en) * | 2022-06-16 | 2023-12-21 | Illinois Tool Works Inc. | A thrust measuring apparatus |
-
2017
- 2017-04-14 CN CN201720398654.3U patent/CN206788010U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051127A (en) * | 2017-12-28 | 2018-05-18 | 深圳创维－Rgb电子有限公司 | A kind of lamp bar push-pull effort test fixture |
| CN108051127B (en) * | 2017-12-28 | 2020-02-07 | 深圳创维－Rgb电子有限公司 | Push-pull force test fixture for lamp strip |
| CN109883577B (en) * | 2019-03-13 | 2021-11-19 | 惠州市长方照明节能科技有限公司 | Slidable thrust test fixture |
| CN114267774A (en) * | 2021-12-24 | 2022-04-01 | 深圳国冶星光电科技股份有限公司 | Chip LED die bonding method for chip nixie tube |
| WO2023244503A1 (en) * | 2022-06-16 | 2023-12-21 | Illinois Tool Works Inc. | A thrust measuring apparatus |
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