CN217738665U - High-speed experimental apparatus of car windscreen wiper - Google Patents
High-speed experimental apparatus of car windscreen wiper Download PDFInfo
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- CN217738665U CN217738665U CN202222027323.2U CN202222027323U CN217738665U CN 217738665 U CN217738665 U CN 217738665U CN 202222027323 U CN202222027323 U CN 202222027323U CN 217738665 U CN217738665 U CN 217738665U
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Abstract
The utility model discloses a high-speed experimental device for automobile windscreen wipers, which comprises a water tank, a water pipe and a fixing piece; the water pipe comprises a water spraying section; the water spraying section is fixed on the engine cover through a fixing piece; a plurality of water spraying holes are formed in the water spraying section, and water spraying areas of the plurality of water spraying holes cover a wiper scraping and brushing area of the wiper; the water pipe is communicated with the water tank through a water pump. The utility model discloses a carry the water tank water pump on the automobile body, adopt the water pipe windshield water spray forward, the simulation rainy day condition can reduce the design cost of extra device, and in the experimentation, vehicle speed is controllable, and the experiment precision is high.
Description
Technical Field
The utility model relates to a vehicle windscreen wiper experiment technical field is a high-speed experimental apparatus of car windscreen wiper particularly.
Background
The front wiper system is used as an important subsystem of the automobile, bears and cleans windows of the automobile, and ensures the clear visual field of passengers. Due to the fact that the using conditions of the automobile are complex and changeable, particularly when the automobile runs at a high speed, the high-speed relative airflow can disturb the wiper system, particularly the wiper brush, the risk that the wiping effect is declined exists, and then the driving safety of passengers is influenced. For this reason, each main unit factory has been verified in accordance with the requirement of "when the relative air speed is equal to 80% of the maximum speed of the vehicle, but the maximum speed does not exceed 160Km/h, and when operating at the maximum frequency, the windshield wiper system should be wiped at the same wiping efficiency as when the vehicle is stationary" in GB15085 "method for testing and performance of automobile windshield wipers and washers. Considering that the pressure of the wiper arm generally fluctuates by 10%, the attack angle provided by the wiper arm to the wiper brush also has a reasonable fluctuation range of ± 3 °, so that in practical verification, whether parameters of the wiper system are normal at different pressures and different attack angles need to be verified in a matrix form, and the parameters generally include noise (in a vehicle) of the wiper system, jitter of the wiper, wiping effect and the like.
As described above, there are many combinations involved in the high speed test of the wiper, and water is sprayed on the glass surface in every set of test as required in the whole course to simulate the rainfall during high speed running, so that if water is supplied through the washing water tank configured in the original vehicle, the washing water tank may have a problem of thermal protection or insufficient washing liquid due to continuous operation for a long time.
The patent with the number of CN 202420859U proposes that the simulation of the high-speed running of the vehicle is realized by an air supply device in a laboratory, and the windscreen wiper system used in the scheme is a windscreen wiper rack and cannot judge the noise of the windscreen wiper system in the high-speed running;
the two schemes with numbers of CN202111366956.X and CN109827741B both provide strong wind simulation at high speed in a wind tunnel laboratory, but the wind tunnel test is expensive in cost and not beneficial to popularization and application.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in how to solve the windscreen wiper experiment cost that reduces under the high-speed condition.
The utility model discloses a following technical means realizes solving above-mentioned technical problem:
a high-speed experimental device for automobile windscreen wipers comprises a water tank (4), a water pipe (5) and a fixing piece (7); the water pipe (5) comprises a water spraying section; the water spraying section is fixed on the engine cover through a fixing piece (7); a plurality of water spraying holes (6) are formed in the water spraying section, and water spraying areas of the water spraying holes (6) cover a wiper scraping area; the water pipe (5) is communicated with the water tank (4) through a water pump. The utility model discloses a carry the water tank water pump on the automobile body, adopt the water pipe to windshield water spray forward, the simulation rainy day condition can reduce the design cost of extra device, and in the experimentation, vehicle speed is controllable, and the experiment precision is high.
Furthermore, a flowmeter (8) and a regulating valve (9) are connected in series on the water pipe (5).
Further, the fixing piece (7) is provided with a plurality of fixing pieces (7), and the plurality of fixing pieces (7) are arranged at intervals.
Furthermore, the fixing piece (7) is of a plastic block structure, a clamping groove is formed in the upper surface of the fixing piece, and the water spraying section is clamped in the clamping groove.
Further, the fixing member (7) is fixed to the hood by adhesion.
Further, the water spraying section is in interference fit with the clamping groove.
Furthermore, the water tank (4) and the water pump are placed in the auxiliary cab, and the water pipe (5) penetrates out of a window of the auxiliary cab.
The utility model has the advantages that:
the utility model discloses a carry the water tank water pump on the automobile body, adopt the water pipe to windshield water spray forward, the simulation rainy day condition can reduce the design cost of extra device, and in the experimentation, vehicle speed is controllable, and the experiment precision is high.
Adopt water spray section and draw-in groove interference fit, the angle of adjustable hole for water spraying satisfies the water spray demand of different angles, can simulate multiple rainy day condition.
Drawings
FIG. 1 is a schematic structural view of an experimental device and a wiper assembly according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the experimental device assembled to the vehicle in the embodiment of the present invention.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, 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 a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The high-speed experimental device for the automobile wiper disclosed by the embodiment is used for simulating the performance experiment of the automobile wiper under the high-speed condition and is shown in fig. 1 and fig. 2, wherein a wiper motor and transmission mechanism 1, a wiper arm assembly 2 and a wiper brush assembly 3 in fig. 1 are experimental objects, and the experimental device comprises a water tank 4, a water pipe 5 and a fixing part 7; the water pipe 5 comprises a water spraying section; the water spraying section is fixed on the engine cover through a fixing piece 7; a plurality of water spraying holes 6 are formed in the water spraying section, and the water spraying areas of the water spraying holes 6 cover the wiping area of the wiper; the water pipe 5 is connected to the water tank 4 by a water pump (not shown). The water pipe 5 is also connected with a flowmeter and a regulating valve in series. The water tank 4 and the water pump are arranged in the auxiliary cab, and the water pipe 5 penetrates out of a window of the auxiliary cab, so that the water spraying section of the water pipe 5 is positioned on the engine hood.
In this embodiment, mounting 7 has a plurality ofly, is plastics massive structure, and the upper surface is opened has the draw-in groove, and the angle of the hole for water spraying 6 is convenient for adjust in water spray section and draw-in groove interference fit. A plurality of fixing members 7 are arranged on the hood at intervals in a line to allow the water spray section to cross the hood so that the water spray area covers the wiper wiping area. In this embodiment, the fixed block adopts sticky mode fixed with the bonnet, after the experiment, can pull down the fixed block through hot-blast, can not harm the surperficial lacquer of bonnet, and fixed and dismantlement simple operation.
Before a high-speed experiment of the whole vehicle is carried out, the external water tank 4 is firstly placed in a cabin, and the water tank 4, the water pump, the flowmeter and the regulating valve are sequentially connected on the water pipe 5 in series. The water spraying section of the water pipe 5 is arranged at the front ends of the wiper arm assembly 2 and the wiper brush assembly 3 through a fixing piece 7, and the fixing piece 7 is fixed with the engine cover in an adhesive or clamping mode under normal conditions; by continuously adjusting the water spraying section, the washing liquid sprayed by the water outlet holes 6 can be effectively sprayed into the scraping and brushing range;
before the same experiment, the states of the flowmeters 8 arranged on the water pipes 5 need to be displayed, and the control of different rainfall amounts is realized through the regulation and control of the regulating valves 9.
Adjusting, confirming and recording the pressure and attack angle of the wiper arm assembly 2;
test verification and result recording:
stabilizing the vehicle speed at 80% of the maximum speed, but the maximum speed is not more than 160Km/h, opening the regulating valve, spraying water to the outer surface of the glass through the water outlet 6, and recording parameters such as the scraping state, noise and the like;
after the experiment is finished, a new group of pressure and attack angle numerical values are adjusted and recorded, and the actions are repeated.
And after the test is finished, summarizing analysis experiment results, and dismantling external equipment such as the water tank 4, the water pipe 5 and the like.
The data collection means are conventional means, for example, noise can be collected by an acoustic decibel measurer, and the condition of the brush can be obtained by observation.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. A high-speed experimental device for automobile windscreen wipers is characterized by comprising a water tank (4), a water pipe (5) and a fixing piece (7); the water pipe (5) comprises a water spraying section; the water spraying section is fixed on the engine cover through a fixing piece (7); a plurality of water spraying holes (6) are formed in the water spraying section, and the water spraying areas of the water spraying holes (6) cover the wiper scraping and brushing area; the water pipe (5) is communicated with the water tank (4) through a water pump.
2. The high-speed experimental device for the automobile windscreen wiper according to claim 1, wherein a flow meter (8) and a regulating valve (9) are connected to the water pipe (5) in series.
3. The high-speed experimental device for the windscreen wiper of the automobile as claimed in claim 1 or 2, wherein the fixing elements (7) are arranged in a plurality, and the fixing elements (7) are arranged at intervals.
4. The high-speed experimental device for the automobile wiper according to claim 3, wherein the fixing member (7) is a plastic block structure, and the upper surface of the fixing member is provided with a clamping groove, and the water spraying section is clamped in the clamping groove.
5. The high-speed experimental device for automobile wipers according to claim 4, characterized in that the fixing piece (7) is fixed on the engine hood by gluing.
6. The high-speed experimental device for the wiper blade of the automobile as claimed in claim 4, wherein the water spraying section is in interference fit with the clamping groove.
7. The high-speed experimental device for the automobile windscreen wiper is characterized in that the water tank (4) and the water pump are placed in a subsidiary cab, and the water pipe (5) penetrates out of a window of the subsidiary cab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222027323.2U CN217738665U (en) | 2022-08-01 | 2022-08-01 | High-speed experimental apparatus of car windscreen wiper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222027323.2U CN217738665U (en) | 2022-08-01 | 2022-08-01 | High-speed experimental apparatus of car windscreen wiper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217738665U true CN217738665U (en) | 2022-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222027323.2U Active CN217738665U (en) | 2022-08-01 | 2022-08-01 | High-speed experimental apparatus of car windscreen wiper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217738665U (en) |
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2022
- 2022-08-01 CN CN202222027323.2U patent/CN217738665U/en active Active
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