CN211205723U - Motor train unit windshield wiper comprehensive test bench - Google Patents
Motor train unit windshield wiper comprehensive test bench Download PDFInfo
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- CN211205723U CN211205723U CN201922198951.5U CN201922198951U CN211205723U CN 211205723 U CN211205723 U CN 211205723U CN 201922198951 U CN201922198951 U CN 201922198951U CN 211205723 U CN211205723 U CN 211205723U
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Abstract
A wiper comprehensive test bench for a motor train unit comprises a base and a head frame connected with the base, wherein the base comprises a bottom plate and a top cover, the front part of the head frame is provided with glass, and the lower part of the head frame is provided with a support column connected with the bottom plate; the base is internally provided with a controller and a water tank assembly, and the top cover is provided with a display screen, a revolution speed meter, a pressure gauge, a universal change-over switch, a circuit breaker and a power supply which are connected with the controller; a wiper testing station is arranged at the front part of the vehicle head frame above the top cover; the wiper testing station is provided with a driving device, the driving device is respectively connected with an angle sensor and a wiper arm, the angle sensor is connected with a revolution number meter, and the upper part of the wiper arm is connected with a brush piece. The glass, the angle, the windscreen wiper installation and the electrical interface on the test board of the utility model are completely the same as those on the bullet train, and the test can be carried out by simulating the proportion of 1:1 on the bullet train; can intelligently simulate small, medium and large rains and spray water to be automatically recycled, and saves energy.
Description
Technical Field
The utility model relates to an electronic rain ware technical field of blowing of locomotive, concretely relates to EMUs rain ware combined test platform of blowing.
Background
As is well known, the wiper blade includes a motor, a decelerator, a four-bar linkage, a wiper arm spindle, a wiper blade, and the like. When a driver presses down a switch of the windscreen wiper, the motor is started, the rotating speed of the motor drives the swing arm through the speed reduction and torque increase effects of the worm gear and the worm, the swing arm drives the four-bar mechanism, the four-bar mechanism drives the rotating shaft arranged on the front wall plate to swing left and right, and finally the rotating shaft drives the wiper blade to wipe the windscreen.
In recent years, with the support and investment of national policies, domestic rail vehicles show a well-spraying development trend, the trend of modular, standardized and serialized development of parts of rail vehicles is more and more obvious, and the rain wipers of rail vehicles are no exception. Before the current windshield wiper of the railway vehicle is put into use, a test bed for testing the windshield wiper is inconsistent with a bullet train, and the test cannot be carried out according to the proportion of 1:1, so that the comprehensive performance of the windshield wiper is poor when the windshield wiper is used, and potential safety hazards are brought to normal running of the railway vehicle.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the above-mentioned defect that prior art exists, provide one kind and can imitate the motor train unit and go on the test with the proportion of 1:1, can diversely carry out the combined test stand of wiper of EMUs simultaneously.
The utility model provides a technical scheme that its technical problem adopted is: a wiper comprehensive test bench for a motor train unit comprises a base and a head frame connected with the base, wherein the base comprises a bottom plate and a top cover, the front part of the head frame is provided with glass, and the lower part of the head frame is provided with a support column connected with the bottom plate; the base is internally provided with a controller and a water tank assembly, and the top cover is provided with a display screen, a revolution speed meter, a pressure gauge, a universal change-over switch, a circuit breaker and a power supply which are connected with the controller; a wiper testing station is arranged at the front part of the head frame above the top cover; the wiper test station is provided with drive arrangement, drive arrangement is connected with angle sensor and wiper arm respectively, angle sensor is connected with rotational speed number table, wiper arm upper portion is connected with the brush piece, and angle sensor is used for testing the operation angle scope of wiper motor drive wiper arm, and the positive and negative each record of angle sensor output when rotating is wiped the wiper and is made a round trip to wipe the data of once outputting, calculates, the record, demonstrate wiper rpm, count the collection and wipe the number of times, and host computer software reads rotational speed number table data through the communication to with data storage in the database.
Furthermore, the water tank component comprises a water tank, a water pump, a water pipe and a spray pipe, the water pump is arranged in the water tank, the spray pipe is arranged on the vehicle head frame above the glass, the spray pipe is connected with the water pump through the water pipe, the water circulation use and the flow regulation can be realized, the start of the water pump can be controlled by the upper computer software,
furthermore, the water tank is supplied with water by a tap water pipe, the water tank is provided with a floating ball water level controller, and when the water level of the water tank is too low, automatic water adding is controlled.
Furthermore, an external power supply and a power socket which are connected with the controller are arranged on the top cover.
Further, the controller comprises a microprocessor and an ARM chip, real-time dynamic detection, control and protection are carried out on the current, voltage, angle and the like of the operation of the window wiper, and the detected signals and the detected control state are sent to the industrial all-in-one machine through an RS232 network to realize corresponding display, record and the like.
Further, the angle sensor is an MPU6050, and the measurement data of the MPU6050 is read by a processor and then sent to the control system, and the measurement accuracy is highest (the measurement accuracy is 0.05 degrees).
Furthermore, a megohmmeter is arranged on the top cover to detect the insulation value of the wiper product,
furthermore, a withstand voltage tester is arranged on the top cover, and the test voltage range is 0V-2100 Vdc/1500 Va.
The utility model has the advantages that: the glass, the angle, the windscreen wiper installation and the electrical interface and the like on the test board are completely the same as those on the bullet train, and the test board can simulate the proportion of 1:1 on the bullet train to carry out a test; the testing device mainly can test the functions and performances of the wiper such as high-speed and low-speed wiping frequency, wiping angle, wiping and stopping angle errors, the pressing force of a wiping arm on a wiper blade, torque, noise, wiping effect, braking performance, air tightness, running current waveform, low-pressure starting, voltage fluctuation, durability, voltage insulation and resistance, a washer and the like; intelligently controlling the on and off of the water spraying liquid, protecting overcurrent, automatically stopping after dry scraping or windscreen wiper failure and other protection functions; the intelligent simulation of small, medium and large rains and the automatic recycling of spray water can be realized, and energy is saved; the test bench mainly comprises base and locomotive frame two part structure, the installation and the transportation of being convenient for.
Drawings
FIG. 1 is a schematic structural diagram of the present invention
Fig. 2 is a rear view of the present invention.
In the drawings: 1. the base, 111, bottom plate, 112, top cap, 121, controller, 122, display screen, 123, rotational speed number table, 124, manometer, 131, universal change over switch, 132, circuit breaker, 133, external power supply, 134, supply socket, 135, the power, 2, locomotive frame, 21, glass, 22, support column, 31, water tank, 32, the water pump, 33, the water pipe, 34, the shower pipe, 41, drive arrangement, 42, wiper arm, 43, the brush piece.
Detailed Description
The following embodiments are described in detail with reference to the following examples:
as shown in fig. 1 and 2, an embodiment of a comprehensive test bench for a wiper of a motor train unit comprises a base 1 and a head frame 2 connected with the base 1, and is convenient to mount and transport; the base 1 comprises a bottom plate 1 and a top cover 112, the front part of the head frame 2 is provided with glass 21, and the lower part of the head frame 2 is provided with a support column 22 connected with the bottom plate 1; the base 1 is internally provided with a controller 121 and a water tank assembly, and the top cover 112 is provided with a display screen 122, a revolution speed meter 123, a pressure gauge 124, a universal changeover switch 131, an external power supply 133, a power socket 134, a circuit breaker 132 and a power supply 135 which are connected with the controller 121; a wiper testing station is arranged at the front part of the vehicle head frame 2 above the top cover 112; wiper test station is provided with drive arrangement 41, drive arrangement 41 is connected with angle sensor and wiper arm 42 respectively, angle sensor is connected with rotational speed number table 123, wiper arm 42 upper portion is connected with brush piece 43, angle sensor is used for testing the operation angle scope of wiper motor, the positive and negative each record of angle sensor output when rotating is wiped the wiper and is made a round trip to wipe the data of once output, calculate, the record, demonstrate wiper rpm, count the collection and wipe the number of times, host computer software reads the data of rotational speed number table 123 through the communication, and with data storage in the database.
The water tank assembly comprises a water tank 31, a water pump 32, a water pipe 33 and a spray pipe 34, the water pump 32 is arranged in the water tank 31, the spray pipe 34 is arranged on the vehicle head frame 2 above the glass 21, the spray pipe 34 is connected with the water pump 32 through the water pipe 33, water recycling and flow regulation can be realized, and the water pump can be controlled to be started by upper computer software; the water tank is supplied with water by a tap water pipe, the water tank is provided with a floating ball water level controller, and when the water level of the water tank is too low, automatic water adding is controlled.
The controller 121 includes a 32-bit microprocessor and an ARM chip, and performs real-time dynamic detection, control and protection on current, voltage, angle and the like of the wiper during operation, and sends detected signals and control states to the industrial all-in-one machine through an RS232 network to realize corresponding display, recording and the like. The angle sensor is an MPU6050, and the measurement data of the MPU6050 is read by a processor and then sent to a control system, and the measurement precision is highest (the measurement precision is 0.05 degree). The top cover 112 is provided with 1 1000V megameter for detecting the insulation value of the wiper product and 1 withstand voltage tester for testing the voltage range of 0V-2100 Vdc/1500 Va.
Those not described in detail in the specification are well within the skill of the art.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as within the protection scope of the present invention.
Claims (6)
1. The comprehensive test bench for the wiper of the motor train unit is characterized by comprising a base and a head frame connected with the base, wherein the base comprises a bottom plate and a top cover, the front part of the head frame is provided with glass, and the lower part of the head frame is provided with a support column connected with the bottom plate; the base is internally provided with a controller and a water tank assembly, and the top cover is provided with a display screen, a revolution speed meter, a pressure gauge, a universal change-over switch, a circuit breaker and a power supply which are connected with the controller; a wiper testing station is arranged at the front part of the head frame above the top cover; the wiper testing station is provided with a driving device, the driving device is respectively connected with an angle sensor and a wiper arm, the angle sensor is connected with a rotating speed number meter, and the upper part of the wiper arm is connected with a brush piece.
2. The comprehensive test bench for the wiper of the motor train unit according to claim 1, wherein the water tank assembly comprises a water tank, a water pump, a water pipe and a spray pipe, the water pump is arranged in the water tank, the spray pipe is arranged on the head frame above the glass, and the spray pipe is connected with the water pump through the water pipe.
3. The comprehensive test bench for the wiper of motor train unit according to claim 2, wherein the water tank is supplied with water from a tap water pipe and is provided with a floating ball level controller.
4. The comprehensive test bench for the wiper of the motor train unit as claimed in claim 3, wherein an external power supply and a power socket connected with the controller are arranged on the top cover.
5. The comprehensive test bench for the wiper of motor train unit according to claim 4, wherein the controller comprises a 32-bit microprocessor and an ARM chip, and the angle sensor is an MPU 6050.
6. The comprehensive test bench for the wiper of the motor train unit according to claim 5, wherein the top cover is provided with a megohmmeter, and the top cover is provided with a voltage withstanding tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922198951.5U CN211205723U (en) | 2019-12-10 | 2019-12-10 | Motor train unit windshield wiper comprehensive test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922198951.5U CN211205723U (en) | 2019-12-10 | 2019-12-10 | Motor train unit windshield wiper comprehensive test bench |
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| Publication Number | Publication Date |
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| CN211205723U true CN211205723U (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922198951.5U Active CN211205723U (en) | 2019-12-10 | 2019-12-10 | Motor train unit windshield wiper comprehensive test bench |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823549A (en) * | 2019-12-10 | 2020-02-21 | 株洲桓基电气股份有限公司 | Motor train unit windshield wiper comprehensive test bench |
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- 2019-12-10 CN CN201922198951.5U patent/CN211205723U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823549A (en) * | 2019-12-10 | 2020-02-21 | 株洲桓基电气股份有限公司 | Motor train unit windshield wiper comprehensive test bench |
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