CN208921412U - A kind of automobile cooling fan testboard bay and test macro - Google Patents
A kind of automobile cooling fan testboard bay and test macro Download PDFInfo
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- CN208921412U CN208921412U CN201821446198.6U CN201821446198U CN208921412U CN 208921412 U CN208921412 U CN 208921412U CN 201821446198 U CN201821446198 U CN 201821446198U CN 208921412 U CN208921412 U CN 208921412U
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- 238000001816 cooling Methods 0.000 title claims abstract description 72
- 238000012360 testing method Methods 0.000 title claims abstract description 64
- 230000009471 action Effects 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
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Abstract
The utility model discloses a kind of automobile cooling fan testboard bay and test macro, it is related to auto parts and components detection technique field, it solves vibration and the noise for testing automobile cooling fan by vehicle in the prior art, the technical issues of test result deviation can occur because testing the difference of vehicle.Multiple movable parts that the automobile cooling fan testboard bay includes rectangular frame, is distributed on rectangular frame, and a plurality of elastic string with movable part quantity Matching；Wherein, the skeleton of rectangular frame is limit slot structure；Movable part includes the sliding block being built in limiting slot, external binding block on skeleton and the bolt for fixing position on skeleton for adjusting binding block；One end of elastic string is fixed with binding block, and the other end and the automobile cooling fan of elastic string are fixed, so that automobile cooling fan empties in rectangular frame under the action of a plurality of elastic string.The test macro includes the test macro mentioned in above-mentioned technical proposal.
Description
Technical Field
The utility model relates to an automobile parts detects technical field, especially relates to an automobile cooling fan test rack and test system.
Background
The requirement of the current customers on the NVH (English abbreviation for noise, vibration and harshness) performance of the whole automobile is higher and higher, the NVH performance of the front cabin occupies a considerable proportion, and the vibration and the noise of an automobile cooling fan have great influence on the NVH performance, and the principle should be evaluated.
Under the current situation, the tests of the vibration and the noise of the cooling fan are finished on the whole vehicle, but the problem of larger error of the result of the same cooling fan on different vehicles is caused by the influence of the factors of the vehicle, such as the tightness of the vehicle, the rigidity of the vehicle body, the connection mode of the cooling fan and the vehicle body and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automobile cooling fan test rack and test system has solved vibration and noise through whole car test automobile cooling fan among the prior art, can appear the technical problem of test result deviation because of the difference of test vehicle.
In order to achieve the above object, the present invention provides the following technical solutions:
an automobile cooling fan test bench comprises a rectangular frame, a plurality of moving parts distributed on the rectangular frame, and a plurality of elastic ropes matched with the moving parts in number; wherein,
the framework of the rectangular frame is of a limiting groove structure;
the movable piece comprises a sliding block which is arranged in the limiting groove, a binding block which is arranged on the framework externally, and a bolt for adjusting the fixing position of the binding block on the framework;
one end of the elastic rope is fixed with the binding block, and the other end of the elastic rope is fixed with the automobile cooling fan, so that the automobile cooling fan is emptied in the rectangular frame under the action of the elastic ropes.
Preferably, the limiting groove comprises a C-shaped groove and a limiting plate, the limiting plate is connected with one side of the notch of the C-shaped groove, and the limiting plate is used for limiting the sliding block to slide in the groove.
Preferably, the limiting groove comprises a C-shaped groove and two limiting plates, the two limiting plates are correspondingly arranged on two sides of a notch of the C-shaped groove, and the two limiting plates limit the sliding block to slide in the groove under the combined action.
Optionally, the limiting plate and the C-shaped groove are of an integrally formed structure.
Optionally, the groove bottom and/or the inner groove opening of the C-shaped groove are/is further provided with a sliding guide rail for guiding the sliding block to slide.
Preferably, the binding block comprises a fixing part provided with a bolt through hole and a binding part provided with a threaded hole, the fixing part and the sliding block are parallel and opposite to each other, the binding part is perpendicular to the fixing part, and the threaded hole is used for binding the elastic rope;
and an anti-skid rubber pad is arranged in the threaded hole.
Preferably, the number of the moving parts is 8, and the moving parts are distributed on four frameworks which are opposite to each other in pairs.
Compared with the prior art, the utility model provides an automobile cooling fan test rack has following beneficial effect:
the utility model provides an automobile cooling fan test bench, which comprises a rectangular frame, a plurality of moving parts and a plurality of elastic ropes, wherein, the rectangular frame is composed of 4 skeletons vertical to the ground and 8 skeletons parallel to the ground, each skeleton is a limit groove structure, the moving parts are composed of sliding blocks, binding blocks and bolts, the moving parts are uniformly distributed on the corresponding skeletons, the concrete distribution setting process is that the bolts in the moving parts are utilized to fasten the binding blocks arranged outside the limit grooves and the sliding blocks arranged in the limit grooves, so that the moving parts are fixed with the rectangular frame, then the automobile cooling fan is arranged in the rectangular frame, one end of the elastic ropes is bound with the automobile cooling fan, the other end of the elastic ropes is bound with the binding blocks, the binding relation between the automobile cooling fan and the moving parts is established, and the steps are repeated, and continuously establishing the binding relationship between other moving parts and the automobile cooling fan until the relative fixation of the automobile cooling fan and the rectangular frame is completed, so that the automobile cooling fan is emptied in the rectangular frame, and at the moment, when the automobile cooling fan is subjected to vibration and noise tests, because the running automobile cooling fan cannot be in contact with the rectangular frame and cannot be influenced by other environments, the coupling phenomenon (resonance phenomenon) between the automobile cooling fan and the rectangular frame can be avoided.
It is thus clear that use the utility model provides a vehicle cooling fan test rack can test vehicle cooling fan alone, has got rid of the interference that other environmental factor caused vehicle cooling fan test result, obtains comparatively accurate test result, has solved among the prior art through whole car test, can appear the technical problem of test result deviation because of the difference of test vehicle.
Another aspect of the present invention provides a testing system, including the test bench for an automotive cooling fan according to the above technical solution.
Compared with the prior art, the beneficial effects of the test system provided by the invention are the same as those of the test bench for the automobile cooling fan provided by the technical scheme, and the detailed description is omitted.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic structural diagram of a test bench for an automotive cooling fan according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a test bench for an automotive cooling fan according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of the movable member of FIG. 1 or FIG. 2 assembled to a rectangular frame;
FIG. 4 is a schematic view of the moveable member of FIG. 1 or FIG. 2 mounted on a rectangular frame;
FIG. 5 is an enlarged view of the movable member of FIG. 1 or FIG. 2;
fig. 6 is a schematic structural diagram of a test system in the second embodiment of the present invention.
Reference numerals:
1-rectangular frame, 2-moving part;
3-elastic rope, 11-C type groove;
12-a limiting plate and 21-a sliding block;
22-binding block, 23-bolt;
221-fixation section, 222-binding section;
223-threaded holes, 4-automotive cooling fans;
5-fan driver, 6-data acquisition and analysis device;
7-a controller.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the embodiments.
Referring to fig. 1-5, the test bench for the cooling fan of the vehicle provided in the present embodiment includes a rectangular frame 1, a plurality of movable members 2 distributed on the rectangular frame 1, and a plurality of elastic cords 3 matching the number of the movable members 2; wherein, the framework of the rectangular frame 1 is a limit groove structure; the movable piece 2 comprises a slide block 21 arranged in the limit groove, a binding block 22 arranged on the framework externally and a bolt 23 used for adjusting the fixed position of the binding block 22 on the framework; one end of the elastic rope 3 is fixed with the binding block 22, and the other end of the elastic rope 3 is fixed with the automobile cooling fan, so that the automobile cooling fan is emptied in the rectangular frame 1 under the action of the elastic ropes 3.
In the test bench for the cooling fan of the automobile provided by this embodiment, the test bench is composed of a rectangular frame 1, a plurality of moving parts 2 and a plurality of elastic ropes 3, wherein the rectangular frame 1 is composed of 4 frameworks perpendicular to the ground and 8 frameworks parallel to the ground, each framework is of a limiting groove structure, the moving parts 2 are composed of sliding blocks 21, binding blocks 22 and bolts 23, the moving parts 2 are uniformly distributed on the corresponding frameworks, the specific distribution setting process is that the bolts 23 in the moving parts 2 are used to fasten the binding blocks 22 arranged outside the limiting grooves and the sliding blocks 21 arranged in the limiting grooves, so that the moving parts 2 are fixed with the rectangular frame 1, then the cooling fan of the automobile is placed in the rectangular frame 1, and one end of the elastic rope 3 is bound with the cooling fan of the automobile, the other end of the elastic rope 3 is bound with the binding blocks 22, the binding relationship between the cooling fan of the automobile and the moving parts 2 is established, repeating the steps, continuously establishing the binding relationship between the other moving parts 2 and the automobile cooling fan until the relative fixation of the automobile cooling fan and the rectangular frame 1 is completed, so that the automobile cooling fan is emptied in the rectangular frame 1, and at the moment, when the automobile cooling fan is subjected to vibration and noise tests, because the running automobile cooling fan cannot be in contact with the rectangular frame 1, the influence of other environments is avoided, and further the coupling phenomenon (resonance phenomenon) between the automobile cooling fan and the rectangular frame 1 can be avoided.
Therefore, the test bench for the automobile cooling fan provided by the embodiment can be used for independently testing the automobile cooling fan, the interference of other environmental factors on the test result of the automobile cooling fan is eliminated, a relatively accurate test result is obtained, and the technical problem that the test result is deviated due to different test vehicles in the prior art through the test of the whole automobile is solved.
Specifically, the structure of the limiting groove is versatile, and the present embodiment does not limit the specific structure of the limiting groove, but for easy understanding, the present embodiment exemplarily provides the following two structure types:
firstly, the limiting groove comprises a C-shaped groove 11 and a limiting plate 12, the limiting plate 12 is connected with one side of a notch of the C-shaped groove 11, and the limiting plate 12 is used for limiting the sliding block 21 to slide in the groove.
Secondly, the limiting groove comprises a C-shaped groove 11 and two limiting plates 12, the two limiting plates 12 are correspondingly arranged on two sides of a notch of the C-shaped groove 11, and the two limiting plates 12 limit the sliding block 21 to slide in the groove under the combined action.
In the specific implementation process, as shown in fig. 3 and 4, in order to ensure the convenience of assembling the limiting groove, the limiting plate 12 and the C-shaped groove 11 may be integrally formed.
Considering that the moving member 2 is inconvenient to move when adjusting the position on the limiting groove, the present embodiment solves the problem by providing a sliding guide rail (not shown in the drawings), wherein the sliding guide rail is provided in various ways, for example, the sliding guide rail is provided at the bottom and/or the inner notch of the C-shaped groove 11, so as to make the upper and/or lower surface of the sliding block 21 movably contact with the surface of the sliding block 21, thereby reducing the friction resistance when adjusting the position of the sliding block 21; also for example, a sliding guide rail is arranged at the outer notch of the C-shaped groove 11, that is, the sliding guide rail is arranged on the outer notch, so that when the position of the binding block 22 is adjusted, the binding block 22 can move on the sliding guide rail, and the friction resistance to the binding block is reduced.
Specifically, referring to fig. 4, in the above embodiment, the binding block 22 includes a fixing portion 221 having a through hole of the bolt 23 and a binding portion 222 having a threaded hole 223, the fixing portion 221 is parallel to and opposite to the slider 21, the binding portion 222 is perpendicular to the fixing portion 221, and the threaded hole 223 is used for binding the elastic cord 3; a non-slip rubber pad (not shown in the drawings) is provided in the screw hole 223.
In specific implementation, the fixing portion 221 and the slider 21 are respectively provided with a threaded through hole, the stud of the bolt 23 sequentially penetrates through the threaded through hole of the fixing portion 221 and the threaded through hole of the slider 21 to establish a threaded connection relationship, at this time, the bolt 23 is in a loose state due to no fastening, the fixing portion 221 and the slider 21 can be synchronously moved to a specified position by translating and moving the bolt 23, and after the specified position is reached, the fixing of the binding portion 222 and the rectangular frame 1 can be realized by fastening the bolt 23.
According to the concrete implementation process, the sizes of the automobile cooling fans are different, so that the test requirements on various automobile cooling fans can be met by movably adjusting the bolts 23, and the test universality of various automobile cooling fans is realized. In addition, the anti-slip rubber pad is arranged in the threaded hole 223 of the binding part 222 to facilitate binding of the elastic rope 3, so that the elastic rope 3 is prevented from being scratched by edges and corners.
It should be noted that, the number of the moving members 2 is not limited in this embodiment, and the specific number thereof can be freely selected according to actual operation requirements; preferably, the moving parts 2 are arranged 8 in number and distributed on four opposite frameworks, for example, the moving parts are evenly distributed on 4 limiting grooves perpendicular to the ground, two moving parts 2 are arranged on each limiting groove perpendicular to the ground, or the moving parts are evenly distributed on 4 limiting grooves parallel to the ground, two moving parts 2 are arranged on each horizontal limiting groove, and by means of the arrangement, the fixed stability of the test of the cooling fan of the automobile can be guaranteed.
Example two
Referring to fig. 6, an embodiment of the present invention provides a testing system, the vehicle includes the vehicle cooling fan testing bench in the above embodiment, further includes a fan driver 5, a controller 7 and a data collecting and analyzing device 6 respectively connected to the vehicle cooling fan 4 through signals, and the controller 7 is further connected to the fan driver 5 through signals.
It is understood that the functions of the fan driver 5, the controller 7 and the data acquisition and analysis device 6 in the above embodiments are all realized by existing devices or logic circuits, and the present embodiment only improves the applications and connection relationships of the respective devices, but does not improve the functions of the respective devices at all. Illustratively, the fan driver 5 is a dc power supply driving module, the controller 7 is a signal generator for regulating and controlling the rotation speed of the fan, and the data acquisition and analysis device 6 is a computer dedicated for fan testing.
Compared with the prior art, the embodiment of the utility model provides a test system's beneficial effect is the same with the beneficial effect of the automobile cooling fan test bench that above-mentioned embodiment one provided, does not do here and describe repeatedly.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The test bench for the cooling fan of the automobile is characterized by comprising a rectangular frame, a plurality of moving parts distributed on the rectangular frame and a plurality of elastic ropes matched with the moving parts in number; wherein,
the framework of the rectangular frame is of a limiting groove structure;
the movable piece comprises a sliding block which is arranged in the limiting groove, a binding block which is arranged on the framework externally, and a bolt for adjusting the fixing position of the binding block on the framework;
one end of the elastic rope is fixed with the binding block, and the other end of the elastic rope is fixed with the automobile cooling fan, so that the automobile cooling fan is emptied in the rectangular frame under the action of the elastic ropes.
2. The automotive cooling fan test bench of claim 1, wherein the limiting groove comprises a C-shaped groove and a limiting plate, the limiting plate is connected with one side of a notch of the C-shaped groove, and the limiting plate is used for limiting the sliding block to slide in the groove.
3. The test bench for the automobile cooling fan according to claim 1, wherein the limiting groove comprises a C-shaped groove and two limiting plates, the two limiting plates are correspondingly arranged on two sides of a notch of the C-shaped groove, and the two limiting plates limit the sliding block to slide in the groove under the combined action.
4. The automotive cooling fan test bench of claim 2 or 3, wherein the limiting plate and the C-shaped groove are of an integrally molded structure.
5. The test bench for automobile cooling fans as claimed in claim 2 or 3, wherein the bottom of the C-shaped groove and/or the inner notch is further provided with a sliding guide rail for guiding the sliding block to slide.
6. The test bench for the cooling fan of the automobile as claimed in claim 2 or 3, wherein the outer notch of the C-shaped groove is further provided with a sliding guide rail for guiding the binding block to slide.
7. The automotive cooling fan test bench according to claim 1, wherein the binding block comprises a fixing portion provided with a bolt through hole and a binding portion provided with a threaded hole, the fixing portion is parallel to and opposite to the slider, the binding portion is perpendicular to the fixing portion, and the threaded hole is used for binding the elastic rope;
and an anti-skid rubber pad is arranged in the threaded hole.
8. The automotive cooling fan test bench of claim 1, wherein the number of the movable members is 8, and the movable members are distributed on four frameworks which are opposite to each other in pairs.
9. An automotive cooling fan test system, comprising the automotive cooling fan test bench of any one of claims 1-8, and further comprising a fan driver, a controller and a data acquisition and analysis device respectively in signal connection with the automotive cooling fan, wherein the controller is further in signal connection with the fan driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821446198.6U CN208921412U (en) | 2018-09-03 | 2018-09-03 | A kind of automobile cooling fan testboard bay and test macro |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821446198.6U CN208921412U (en) | 2018-09-03 | 2018-09-03 | A kind of automobile cooling fan testboard bay and test macro |
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| CN208921412U true CN208921412U (en) | 2019-05-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804456A (en) * | 2021-08-30 | 2021-12-17 | 江铃汽车股份有限公司 | A kind of cooling system modal frequency identification method and test tool |
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2018
- 2018-09-03 CN CN201821446198.6U patent/CN208921412U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804456A (en) * | 2021-08-30 | 2021-12-17 | 江铃汽车股份有限公司 | A kind of cooling system modal frequency identification method and test tool |
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