CN218383200U - Testing device and testing platform - Google Patents
Testing device and testing platform Download PDFInfo
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- CN218383200U CN218383200U CN202221085113.2U CN202221085113U CN218383200U CN 218383200 U CN218383200 U CN 218383200U CN 202221085113 U CN202221085113 U CN 202221085113U CN 218383200 U CN218383200 U CN 218383200U
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Abstract
The utility model provides a testing arrangement and test platform relates to automatic test technical field, and testing arrangement includes: the load module is connected with the driving end of the speed changing module, and the test module is connected with the output end of the speed changing module; the output end of the speed changing module comprises a first output end and a second output end, and the rotating speed of the first output end is greater than that of the second output end; the test module comprises a first test unit and a second test unit; the first test unit and the second test unit are used for being connected with a device to be tested so as to test the device to be tested. The utility model provides a testing arrangement and test platform can realize different rotational speed motor's compatibility experiment, need not to switch over experimental frock repeatedly, also need not to adopt the load device of the same specification model to test, has reduced test cost and operation intensity by a wide margin, and then has improved efficiency of software testing.
Description
Technical Field
The utility model belongs to the technical field of the technique of automatic test and specifically relates to a testing arrangement and test platform are related to.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law, and mainly has the functions of generating driving torque and serving as a power source of electric appliances or various machines, the motor needs to be tested after being produced and delivered from a factory, and the test items comprise the rotating speed, the power, the torque and the like of the motor.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a testing apparatus and a testing platform to alleviate the above technical problems.
In a first aspect, an embodiment of the present invention provides a testing apparatus, the testing apparatus includes: the device comprises a load module, a speed change module and a test module, wherein the load module is connected with the driving end of the speed change module, and the test module is connected with the output end of the speed change module; the output end of the speed change module comprises a first output end and a second output end, wherein the rotating speed of the first output end is greater than that of the second output end; the test module comprises a first test unit corresponding to the first output end and a second test unit corresponding to the second output end; the first test unit and the second test unit are respectively used for being connected with a device to be tested so as to test the device to be tested under the driving of the speed change module.
With reference to the first aspect, embodiments of the present invention provide a first possible implementation manner of the first aspect, wherein the speed changing module includes a transmission case; the first output end is connected with the high-speed output end of the gearbox, and the second output end is connected with the low-speed output end of the gearbox.
In combination with the first possible implementation manner of the first aspect, an embodiment of the present invention provides a second possible implementation manner of the first aspect, in which the first test unit includes a first torque and rotation speed sensor, and is configured to collect test parameters of a device under test connected to the first test unit.
In combination with the first possible implementation manner of the first aspect, an embodiment of the present invention provides a third possible implementation manner of the first aspect, wherein the second testing unit includes a second torque and rotation speed sensor, and is configured to collect testing parameters of a device under test connected to the second testing unit.
With reference to the second possible implementation manner of the first aspect, an embodiment of the present invention provides a fourth possible implementation manner of the first aspect, wherein the first testing unit further includes a first connecting component and a second connecting component; the first torque and rotation speed sensor is connected with the first output end through the first connecting piece; and the first torque and rotation speed sensor is connected with the device to be tested through the second connecting piece.
With reference to the fourth possible implementation manner of the first aspect, the embodiment of the present invention provides a fifth possible implementation manner of the first aspect, wherein the first connecting piece and the second connecting piece are couplers.
With reference to the third possible implementation manner of the first aspect, an embodiment of the present invention provides a sixth possible implementation manner of the first aspect, wherein the second testing unit further includes a third connecting element and a fourth connecting element; the second torque and rotation speed sensor is connected with the second output end through the third connecting piece; and the second torque and rotation speed sensor is connected with the device to be tested through the fourth connecting piece.
With reference to the sixth possible implementation manner of the first aspect, the embodiment of the present invention provides a seventh possible implementation manner of the first aspect, wherein the third connecting member and the fourth connecting member are couplers.
With reference to the first possible implementation manner of the first aspect, an embodiment of the present invention provides an eighth possible implementation manner of the first aspect, where the load module includes a load controller and a load motor connected to the load controller; the testing device further comprises a fifth connecting piece, and the load motor is connected with the driving end of the gearbox through the fifth connecting piece; the load controller is used for triggering the load motor to rotate according to a preset test mode so as to drive the device to be tested to operate through the speed change module, and the device to be tested is tested.
In a second aspect, an embodiment of the present invention further provides a testing platform, where the testing platform is configured with the testing apparatus of the first aspect.
The embodiment of the utility model provides a following beneficial effect has been brought:
the embodiment of the utility model provides a testing device and a testing platform, which can connect a load module with the driving end of a speed changing module and connect a testing module with the output end of the speed changing module; and, the output of variable speed module includes first output and second output, and test module still includes the first test unit that corresponds with first output, and the second test unit that corresponds with the second output, when first test unit and second test unit are connected with the device under test respectively, can test the device under test under the drive of variable speed module, because the embodiment of the utility model provides an in the embodiment of the rotational speed of the first output of variable speed module is greater than the rotational speed of second output, like this, when testing the device under test, can test the device under test that the rotational speed is high through first output, test the device under test that the rotational speed is low at the second output, make test device can realize the compatibility test of different rotational speed motors, need not to switch over experimental frock repeatedly, also need not to adopt the load device of the same specification model to test, reduced test cost and operation intensity by a wide margin, and then improved efficiency of software testing.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of a motor test;
fig. 2 is a schematic structural diagram of a testing apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another testing apparatus according to an embodiment of the present invention;
fig. 4 is a schematic view of a testing apparatus according to an embodiment of the present invention.
Icon: 1-a tested motor; 2-a load motor; 102-a load motor; 401 — a first connector; 402-a second connector; 403-a third connection; 404-a fourth connection; 405-a fifth connector; 406-a gearbox; 303-first torque-to-speed sensor; 304-a second torque speed sensor; 407-high speed motor; 408-low speed high torque motor.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
The common motors generally comprise a low-speed motor and a high-speed motor, the low-speed motor generally has larger torque, so the common motor is also called as a low-speed large-torque motor, generally, the low-speed large-torque motor generally has lower rotating speed (less than or equal to 500 r/min), larger rated output torque (more than or equal to 500N.m), the high-speed motor generally has higher rotating speed, and the output torque is not large. At present, schematic diagrams for testing the two types of motors in a laboratory are shown in fig. 1, that is, a tested motor 1 and a load motor 2 with the same specification and model are adopted and are coaxially connected through auxiliary tools such as a coupler, a bearing seat and the like, that is, the tested motor is a high-speed motor, and then the load motor also adopts the high-speed motor with the same specification and model; the tested motor is a low-speed large-torque motor, and the load motor also adopts a low-speed large-torque motor with the same specification and model.
This results in the necessity of manufacturing two motors for testing one motor, thereby increasing the test cost; meanwhile, because two motors are repeatedly switched in the test, the operation intensity of testers is increased undoubtedly, and the test efficiency is seriously influenced.
Based on this, the embodiment of the utility model provides a testing arrangement and test platform can effectively alleviate above-mentioned technical problem.
For the convenience of understanding the present embodiment, a testing device disclosed in the embodiments of the present invention will be described in detail first.
In a possible implementation manner, the embodiment of the present invention provides a testing apparatus, specifically, a structural schematic diagram of the testing apparatus as shown in fig. 2, the testing apparatus includes: a load module 10, a variable speed module 20 and a test module 30.
The load module 10 is connected to the driving end of the speed changing module 20, and the test module 30 is connected to the output end of the speed changing module 20.
The output of the speed changing module 20 further comprises a first output 201 and a second output 202, wherein the rotation speed of the first output 201 is greater than that of the second output 202.
The test module 30 further comprises a first test unit 301 corresponding to the first output 201, and a second test unit 302 corresponding to the second output 202.
In specific implementation, the first test unit 301 and the second test unit 302 are respectively used for connecting to a device under test, so as to test the device under test under the driving of the speed changing module 20.
The device to be tested in the embodiment of the present invention generally refers to a motor to be tested, and when the rotation speed of the motor to be tested is relatively high, the motor to be tested can be connected to the first testing unit, and specifically, the motor to be tested can be connected to the first output end for testing; when the rotation speed of the motor to be tested is low, the motor to be tested can be connected to the second testing unit, namely, the second output end for testing. Like this, when testing, only need the embodiment of the utility model provides a testing arrangement can realize the test procedure to low-speed motor and high-speed motor and need not additionally to prepare with the load module that awaits measuring the same specification model of motor.
Therefore, the embodiment of the utility model provides a testing device, can be connected load module and the drive end of variable speed module, be connected test module and the output of variable speed module; and, the output of variable speed module includes first output and second output, and test module still includes the first test unit that corresponds with first output, and the second test unit that corresponds with the second output, when first test unit and second test unit are connected with the device under test respectively, can test the device under test under the drive of variable speed module, because the embodiment of the utility model provides an in the embodiment of the rotational speed of the first output of variable speed module is greater than the rotational speed of second output, like this, when testing the device under test, can test the device under test that the rotational speed is high through first output, test the device under test that the rotational speed is low at the second output, make test device can realize the compatibility test of different rotational speed motors, need not to switch over experimental frock repeatedly, also need not to adopt the load device of the same specification model to test, reduced test cost and operation intensity by a wide margin, and then improved efficiency of software testing.
In actual use, the speed changing module comprises a gearbox; the first output end is connected with the high-speed output end of the gearbox, and the second output end is connected with the low-speed output end of the gearbox. Specifically, in the embodiment of the utility model provides an in, can utilize the high/low-speed characteristic adaptation of gearbox to await measuring motor, for example, high-speed motor can connect the coaxial output of the high-speed output of gearbox, after the gearbox slows down, can big torque motor of adaptation low-speed etc., specific high-speed and low-speed can be set up according to the in-service use condition, for example, be connected to the motor that awaits measuring that the rotational speed is higher than 500r/min to first output, test through first test element, be connected to the second output with the motor that awaits measuring that the rotational speed is less than 500r/min, test etc. through second test element, specific mode of setting is with the in-service use condition as the standard, the utility model discloses the embodiment does not restrict to this.
In addition, in order to facilitate testing the rotating speed and the torque of the device to be tested (the motor to be tested), the embodiment of the present invention provides a testing device further including a torque and rotating speed sensor, specifically, the first testing unit includes a first torque and rotating speed sensor for acquiring testing parameters of the device to be tested connected to the first testing unit, for example, testing parameters such as the rotating speed and/or the torque in the testing process; further, the second test unit further comprises a second torque and rotation speed sensor for acquiring test parameters of the device to be tested connected with the second test unit.
For easy understanding, fig. 3 shows a schematic structural diagram of another testing device on the basis of fig. 2, and in addition to the structure shown in fig. 2, a first torque and speed sensor 303 and a second torque and speed sensor 304 are also included.
When in actual use, the data that this first torque speed sensor 303 and second torque speed sensor 304 gathered can upload to the host computer that testing arrangement corresponds, also can send to the load module, treat that whole test is accomplished after, by the load module in uploading and sending of carrying out test data, and, the utility model provides an embodiment's load module still is provided with load controller usually to operating parameter such as the rotational speed to the load module is controlled.
Specifically, as shown in fig. 3, the embodiment of the present invention provides a load module 10 further including a load controller 101 and a load motor 102 connected to the load controller 101, wherein in specific implementation, the load motor is controlled by the load controller, generally, the load module adopts a frequency conversion control mode more, at this moment, the corresponding load motor can be a frequency conversion motor, and the load controller also correspondingly adopts a frequency conversion controller, so as to adjust the rotation speed of the load motor by changing the frequency of the frequency conversion controller.
Furthermore, the specifications or parameters of the gearbox mentioned above can also be adapted to the actual test requirements, for example, by setting the high speed range as: 1000-3000 rpm, the corresponding motor to be tested is connected to the first output end, and the low rotation speed range is set as: 10 ~ 200rpm, the corresponding motor that awaits measuring is connected to second output etc. corresponding gearbox also can set up corresponding gear ratio, for example, 1.
Further, in order to facilitate the actual assembly of the load module, the speed changing module and the testing module, when in actual use, corresponding connecting pieces are arranged between each functional module.
Specifically, the first test unit further comprises a first connecting piece and a second connecting piece; the first torque and rotation speed sensor is connected with the first output end through a first connecting piece; the first torque and rotation speed sensor is connected with the device to be tested through a second connecting piece.
In a specific implementation, the first connecting member and the second connecting member are generally shaft couplings.
Further, the second test unit further comprises a third connecting piece and a fourth connecting piece; the second torque and rotation speed sensor is connected with the second output end through a third connecting piece; and the second torque and rotation speed sensor is connected with the device to be tested through a fourth connecting piece. The third and fourth connecting members are also typically coupling members.
In addition, the testing device also comprises a fifth connecting piece, and the load motor is connected with the driving end of the gearbox through the fifth connecting piece; and the load controller can trigger the load motor to rotate according to a preset test mode so as to drive the device to be tested to operate through the speed change module, and the device to be tested is tested.
Fig. 4 also shows an operation schematic diagram of a testing apparatus for ease of understanding, and for ease of description, only a partial structure of the testing apparatus is shown in fig. 4, including: the test system comprises a load motor 102, a first connecting piece 401, a second connecting piece 402, a third connecting piece 403, a fourth connecting piece 404, a fifth connecting piece 405, a gearbox 406, a first torque and rotation speed sensor 303 and a second torque and rotation speed sensor 304 which are included in a speed changing module, and motors to be tested, specifically a high-speed motor 407 and a low-speed high-torque motor 408, are further shown.
During the concrete realization, above-mentioned fifth connecting piece also is the shaft coupling usually, consequently, in fig. 4, the shaft coupling all can be set to first connecting piece ~ fifth connecting piece, and the model and the parameter of specific shaft coupling can be the same, also can be different, specifically can set up according to the in-service use condition, the embodiment of the utility model discloses do not restrict this.
Therefore, in the working schematic diagram of the testing device shown in fig. 4, the testing device includes a load motor, a coupler, a transmission, a first torque and rotation speed sensor, a second torque and rotation speed sensor, and motors to be tested (a low-speed and high-torque motor and a high-speed motor), in particular, when the testing device is implemented, the load motor 102 is connected to a driving high-speed end of the transmission 406 through the coupler (a fifth connecting piece 405), a coaxial output end of the high-speed output end of the transmission is connected to the first torque and rotation speed sensor 303 through the coupler (a first connecting piece 401), and the high-speed motor is connected to the first torque and rotation speed sensor 303 through the coupler (a second connecting piece 402); the low-speed output end of the gearbox is connected with the second torque and rotation speed sensor 304 through a coupler (a third connecting piece 403), and the low-speed and high-torque motor is connected with the second torque and rotation speed sensor 304 through a coupler (a fourth connecting piece 404); the motors to be tested (low-speed large-torque motors and high-speed motors) are connected with one motor at a time.
Based on the operation diagram shown in fig. 4, taking a low-speed and high-torque motor test as an example for explanation, the test flow may include the following steps:
(1) A low-speed high-torque motor is arranged at the low-speed end of the gearbox through a coupling (a fourth connecting piece 404) shown in the figure;
(2) Starting the low-speed large-torque motor, checking the rotating speed of the second torque rotating speed sensor 304, and stopping the low-speed large-torque motor;
(3) Starting a load motor, and enabling the rotating speed of the second torque rotating speed sensor 304 to be the same as the rotating speed in the step (2) by adjusting the frequency of the variable frequency controller;
(4) Starting a low-speed large-torque motor, and carrying out double-dragging parallel;
(5) The rotation speed of the load motor is adjusted to make the torque measurement value of the second torque rotation speed sensor 304 reach the test set value, and then the test can be carried out.
In addition, to high speed motor's test, also can refer to above-mentioned experimental flow, the embodiment of the utility model provides a not giving unnecessary details to this.
To sum up, the embodiment of the utility model provides a testing arrangement can be used for the dynamometer device of low-speed big torque motor and high-speed motor, and, the embodiment of the utility model provides a only need one set of testing arrangement can realize low-speed big torque motor and high-speed motor's compatibility experiment, need not the experimental frock of repetition switch, reduce test cost and operation intensity by a wide margin.
Further, the embodiment of the utility model provides a still provide a test platform, this test platform disposes above-mentioned testing arrangement.
The embodiment of the utility model provides a test platform, the testing arrangement who provides with above-mentioned embodiment has the same technical characteristics, so also can solve the same technical problem, reaches the same technological effect.
It can be clearly understood by those skilled in the art that, for convenience and simplicity of description, the specific working process of the test platform described above may refer to the corresponding process in the foregoing embodiment, and details are not described herein again.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A test apparatus, characterized in that the test apparatus comprises: the device comprises a load module, a speed change module and a test module, wherein the load module is connected with the driving end of the speed change module, and the test module is connected with the output end of the speed change module;
the output end of the speed changing module comprises a first output end and a second output end, wherein the rotating speed of the first output end is greater than that of the second output end;
the test module comprises a first test unit corresponding to the first output end and a second test unit corresponding to the second output end;
the first test unit and the second test unit are respectively used for being connected with a device to be tested so as to test the device to be tested under the driving of the speed change module.
2. The testing device of claim 1, wherein the transmission module comprises a gearbox;
the first output end is connected with the high-speed output end of the gearbox, and the second output end is connected with the low-speed output end of the gearbox.
3. The test device of claim 2, wherein the first test unit comprises a first torque and rotation speed sensor for acquiring test parameters of a device under test to which the first test unit is connected.
4. The testing device of claim 2, wherein the second testing unit comprises a second torque and rotational speed sensor for acquiring testing parameters of a device under test to which the second testing unit is connected.
5. The test device of claim 3, wherein the first test unit further comprises a first connector and a second connector;
the first torque and rotation speed sensor is connected with the first output end through the first connecting piece;
and the first torque and rotation speed sensor is connected with the device to be tested through the second connecting piece.
6. The testing device of claim 5, wherein the first and second connectors are couplers.
7. The testing device of claim 4, wherein the second testing unit further comprises a third connector and a fourth connector;
the second torque and rotation speed sensor is connected with the second output end through the third connecting piece;
and the second torque and rotation speed sensor is connected with the device to be tested through the fourth connecting piece.
8. The testing device of claim 7, wherein the third and fourth connectors are couplers.
9. The test device of claim 2, wherein the load module comprises a load controller, and a load motor connected to the load controller;
the testing device further comprises a fifth connecting piece, and the load motor is connected with the driving end of the gearbox through the fifth connecting piece;
the load controller is used for triggering the load motor to rotate according to a preset test mode so as to drive the device to be tested to operate through the speed change module, and the device to be tested is tested.
10. A test platform provided with a test device according to any one of claims 1 to 9.
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| CN202221085113.2U CN218383200U (en) | 2022-04-27 | 2022-04-27 | Testing device and testing platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221085113.2U CN218383200U (en) | 2022-04-27 | 2022-04-27 | Testing device and testing platform |
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| CN218383200U true CN218383200U (en) | 2023-01-24 |
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