CN212254593U - Brake performance tester for electric bicycle - Google Patents
Brake performance tester for electric bicycle Download PDFInfo
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- CN212254593U CN212254593U CN202020008841.8U CN202020008841U CN212254593U CN 212254593 U CN212254593 U CN 212254593U CN 202020008841 U CN202020008841 U CN 202020008841U CN 212254593 U CN212254593 U CN 212254593U
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- plc controller
- electric connection
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- servo
- controller electric
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Abstract
The utility model provides an electric bicycle brake performance tester, including the PLC controller, PLC controller electric connection microcomputer, the high-speed AD collector of PLC controller electric connection, brake lever sensor before the high-speed AD collector electric connection, preceding brake lever sensor is equipped with threely, the pneumatic servo of PLC controller electric connection, PLC controller electric connection front wheel is servo, PLC controller electric connection rear wheel is servo. The utility model discloses the whole automatic control of computer, the computer is automatic according to setting for procedure automatic loading. The control system has the power failure recovery function, the external power fails, the system automatically stops to protect and automatically stores the test result of the last time, the system automatically stops, the automatic stop exceeds the required precision, the automatic stop is realized when the force value disappears, the sample is damaged and automatically stops, the test curve can be tracked and displayed at any time, any section on the curve can be subjected to amplification analysis, the sample is broken and overloaded, and the overcurrent automatic protection function is realized.
Description
Technical Field
The utility model relates to an electric motor car test technical field specifically is an electric bicycle braking capability test appearance.
Background
An electric bicycle is a mechatronic personal transportation tool which takes a storage battery as auxiliary energy and is provided with an electric motor, a controller, the storage battery, a rotating handle brake handle and other operating components and a display instrument system on the basis of a common bicycle.
Because electric bicycle uses comparatively extensively in china, and audience foundation is big, so electric bicycle's detection is just especially necessary, guarantees its braking performance's safety, but the detection among the prior art still has following problem: 1. the operation is troublesome in the aspect of mechanically mounting the sample, and the reliability is not high; 2. aspects of software measurement capture and measurement data are unreliable.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides an electric bicycle comprehensive tester has solved the problem of proposing in the background art.
In order to achieve the above object, the utility model discloses a technical scheme be:
the utility model provides an electric bicycle brake performance tester, includes the PLC controller, PLC controller electric connection microcomputer, PLC controller electric connection high-speed AD collector, brake lever sensor before the high-speed AD collector electric connection, preceding brake lever sensor is equipped with threely, PLC controller electric connection is pneumatic servo, PLC controller electric connection front wheel is servo, PLC controller electric connection rear wheel is servo.
Right the utility model discloses further description, it still is equipped with movable support, front fork support and function control case, movable support still is equipped with the spray set that is used for the wet brake, movable support still is equipped with the loading weight.
It is right to the utility model discloses further description, the front wheel servo is equipped with front wheel fixing device, front wheel fixing device includes altitude mixture control hand wheel and front wheel roll wheel, altitude mixture control hand wheel still is equipped with the anchor clamps hand wheel that is used for cliping the bicycle front wheel.
It is right to the utility model discloses further description, the rear wheel servo is equipped with rear wheel fixing device, rear wheel fixing device is including lock nut and the hand wheel that is used for locking the bicycle rear wheel, lock nut is equipped with the anchor clamps that are used for pressing from both sides the dress wheel.
To the utility model discloses further description, it still saddle pressure device, saddle pressure device includes afterburning cylinder, rotatory locking handle and pressure sensor, the pressure sensor bottom is equipped with the saddle clamp plate, and rotatory locking handle one side of institute is equipped with flexible locking handle.
Compared with the prior art, the utility model has the advantages that:
the whole process of the computer is automatically controlled, and the computer automatically loads according to a set program. The control system has a power failure recovery function, the external power is cut off, the system automatically stops to protect and automatically stores the test result of the last time, the system automatically stops when the accuracy exceeds the required accuracy, the system automatically stops when the force value disappears, the test sample is automatically stopped when damaged, the test curve can be tracked and displayed at any time, any section on the curve can be subjected to amplification analysis, the test sample is broken and overloaded, the overcurrent automatic protection is realized, all tests can be freely stored, and the table format is automatically set;
the aluminum alloy metal structure and the movable door assembled mechanical structure are adopted, so that the maintenance and regular maintenance work is facilitated, meanwhile, the transportation, transition and debugging of the equipment are facilitated, the work of a transport vehicle and the trouble of hoisting a crane installed on the equipment upstairs can be facilitated, and the whole machine is designed to occupy a small area and is convenient to use;
the convenience of the computer for man-machine operation and the huge data image and graphic processing capacity of the computer are utilized, so that the instrument is convenient to use for man-machine operation, and meanwhile, the high-speed and real-time capacity of the PLC is utilized to carry out high-speed control and data acquisition on equipment.
Drawings
Fig. 1 is a schematic view of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1, as shown in figure 1:
the utility model provides an electric bicycle brake performance tester, includes the PLC controller, PLC controller electric connection microcomputer, PLC controller electric connection high-speed AD collector, brake lever sensor before the high-speed AD collector electric connection, preceding brake lever sensor is equipped with threely, PLC controller electric connection is pneumatic servo, PLC controller electric connection front wheel is servo, PLC controller electric connection rear wheel is servo.
According to the preferable technical scheme, the brake system is further provided with a movable support, a front fork support and a function control box, the movable support is further provided with a spraying device for wet braking, and the movable support is further provided with loading weights.
The preferred technical scheme of this embodiment, the front wheel servo is equipped with front wheel fixing device, front wheel fixing device includes altitude mixture control hand wheel and front wheel roll wheel, altitude mixture control hand wheel still is equipped with the anchor clamps hand wheel that is used for cliping the bicycle front wheel.
According to the preferable technical scheme, the rear wheel is provided with a rear wheel fixing device in a servo mode, the rear wheel fixing device comprises a locking nut and a hand wheel, the locking nut is used for locking a rear wheel of the bicycle, and the locking nut is provided with a clamp used for clamping the wheel.
According to the preferable technical scheme, the saddle pressurizing device comprises a boosting cylinder, a rotary locking handle and a pressure sensor, a saddle pressing plate is arranged at the bottom end of the pressure sensor, and a telescopic locking handle is arranged on one side of the rotary locking handle.
In the present embodiment, all the components are general standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.
The experimental mode is as follows:
1. testing the load of the braking system;
I. testing a hand brake: the bicycle is mounted and fixed on a testing machine, and a brake handle of the brake is stressed to a transverse handle pipe to be connected if a dry brake handle is used. The wheel is rotated and repeated five times, and each time is not less than 75 mm.
2. Testing the performance of the hand brake;
I. and (3) mounting the finished vehicle on a testing machine, setting brake handle force, such as (250N) testing times, automatically applying the brake handle force to a set value by the machine after the test is started, driving the wheel to rotate for a circle by the machine at a constant speed, and repeating the test until the testing times are finished.
3. Carrying out a whole vehicle dynamic test;
I. after the parameters are set, the computer can automatically control the riding speed, the test times and the test time of the brake lever force, the riding distance and the automatic stop recording data after the test is finished.
And II, measuring the braking force of the independent front brake or rear brake, a braking force/time curve and a braking force/speed curve.
And III, performing dry-wet braking comparison measurement on the bicycle.
4. Testing heat resistance;
1. the braking power of bicycle can be input and set, and the number of times and interval time of the power can be set.
5. Fatigue testing;
1. the braking time, the gap time and the braking times can be set.
The experimental data are shown in the following figure:
in summary, the optimal diameter is therefore: y is 30.8+0.606. x.
And ± 20% of the heel limit line is:
YL＝80％(30.8+0.606X)
＝24.64+0.485X
YH＝120％(30.8+0.606X)
＝36.94+0.727
the curve of-20% position plus or minus 20% is obtained from the figure, and the limit line of plus or minus 20% of 1.2.3.4 test points is qualified (note: the braking force is above 80N).
Hand valve testing
Dry test:
the application of force was increased continuously by 20,40,60, … 180N (teenager's 120N) at 20N or the braking force was greater than 700N three times, 3 times in 1 minute, and each test was allowed to cool for 1 minute.
Wet test:
the test method was similar to the dry state, and the brakes were sprayed 5 seconds before the start of the test.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, a first feature "above," "over," and "on" a second feature includes that the first feature is directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature, and a first feature "below," "under," and "under" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely means that the first feature is at a lower level than the first feature.
In the description of the present specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and schematic representations of the terms in the specification do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments without departing from the spirit and scope of the present invention.
Claims (5)
1. The utility model provides an electric bicycle braking performance tester, includes the PLC controller, PLC controller electric connection microcomputer, its characterized in that, PLC controller electric connection high-speed AD collector, brake lever sensor before the high-speed AD collector electric connection, preceding brake lever sensor is equipped with threely, PLC controller electric connection pneumatic servo, PLC controller electric connection front wheel is servo, PLC controller electric connection rear wheel is servo.
2. The braking performance tester for the electric bicycle according to claim 1, further comprising a movable bracket, a front fork bracket and a function control box, wherein the movable bracket is further provided with a spraying device for wet braking, and the movable bracket is further provided with a loading weight.
3. The braking performance tester for the electric bicycle according to claim 1, wherein the front wheel servo is provided with a front wheel fixing device, the front wheel fixing device comprises a height adjusting hand wheel and a front wheel rolling wheel, and the height adjusting hand wheel is further provided with a clamp hand wheel for clamping the front wheel of the bicycle.
4. The braking performance tester for the electric bicycle according to claim 1, wherein the rear wheel servo is provided with a rear wheel fixing device, the rear wheel fixing device comprises a locking nut and a hand wheel for locking a rear wheel of the bicycle, and the locking nut is provided with a clamp for clamping a wheel.
5. The braking performance tester for the electric bicycle according to claim 1, characterized in that the device further comprises a saddle pressurizing device, the saddle pressurizing device comprises a boosting cylinder, a rotary locking handle and a pressure sensor, a saddle pressing plate is arranged at the bottom end of the pressure sensor, and a telescopic locking handle is arranged on one side of the rotary locking handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020008841.8U CN212254593U (en) | 2020-01-03 | 2020-01-03 | Brake performance tester for electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020008841.8U CN212254593U (en) | 2020-01-03 | 2020-01-03 | Brake performance tester for electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212254593U true CN212254593U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020008841.8U Expired - Fee Related CN212254593U (en) | 2020-01-03 | 2020-01-03 | Brake performance tester for electric bicycle |
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| Country | Link |
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| CN (1) | CN212254593U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289260A (en) * | 2020-01-03 | 2020-06-16 | 广州海关技术中心 | Electric motor car braking capability test appearance system |
-
2020
- 2020-01-03 CN CN202020008841.8U patent/CN212254593U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289260A (en) * | 2020-01-03 | 2020-06-16 | 广州海关技术中心 | Electric motor car braking capability test appearance system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201229 Termination date: 20220103 |
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| CF01 | Termination of patent right due to non-payment of annual fee |