CN201555716U - Test stand system of wiper - Google Patents
Test stand system of wiper Download PDFInfo
- Publication number
- CN201555716U CN201555716U CN2009202137840U CN200920213784U CN201555716U CN 201555716 U CN201555716 U CN 201555716U CN 2009202137840 U CN2009202137840 U CN 2009202137840U CN 200920213784 U CN200920213784 U CN 200920213784U CN 201555716 U CN201555716 U CN 201555716U
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- rain
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Abstract
The utility model provides a test stand system of a wiper, which is used for controlling the manufacturing cost of the system and is characterized by fast assembly. The technical scheme is as follows: the system comprises a rain spraying box body, a water circulation system and a data acquisition and control system, wherein the rain spraying box body comprises a frame which is built in a detachable manner; the water circulation system comprises a spray head, a liquid level sensor, a water tank, a diaphragm pump, a water inlet electromagnetic valve, a drainage electromagnetic valve, a flowmeter sensor, a two-position three-way valve, a pressure sensor and a water softening filter, wherein the spray head can be divided into a fine rain simulation spray head and a heavy rain simulation spray head, the water inlet electromagnetic valve is connected with the water inlet end and divided into two paths through a three-way, one path is led to the water tank equipped with the liquid level sensor, the other path is connected with the water softening filter and the diaphragm pump and further divided into two paths through the three-way, one path is led to the drainage end through the drainage electromagnetic valve, and the other path is connected with the flowmeter sensor and the pressure sensor and respectively connected with the fine rain simulation spray head and the heavy rain simulation spray head through the two-position three-way valve; and the data acquisition and control system carries out data acquisition and control on the water circulation system and a working system of the wiper.
Description
Technical field
The utility model relates to a kind of system that vehicle windscreen wiper is tested, and relates in particular to a kind of have assembling characteristic, low cost, multiduty vehicle windscreen wiper experimental bench system fast.
Background technology
Wiper is the indispensable service part of vehicle, its technical merit and quality quality can reflect and reflect the technology and the quality level of whole vehicle to a great extent, and be therefore self-evident to the importance of the performance of wiper system works assembly and whole work system fail-test.
Traditional wiper testing table adopts static housing, the technical very difficult Test Condition Requirements of wiper work system under direct glass mounting means, empty wagons body mounting means and car load mounting means that satisfy simultaneously.And the control system of traditional wiper testing table employing special test integrated circuit board or PLC control mode, using gear-type pump or ram pump in the water circulation system, these all cause the testing table production cost higher.And with special test integrated circuit board or PLC control mode, feedback (PID) processing power is limited, and online programming, computer control and remote control ability expansion are not good.
In addition, traditional wiper testing table is only installed a kind of shower nozzle of specification, generally adopts fine spray method to satisfy the requirement of evenly spraying, and therefore is difficult to realize water droplet is carried out effective emulation greater than the heavy rain state of 1mm.
The utility model content
The purpose of this utility model is to address the above problem, a kind of wiper experimental bench system is provided, controlled the cost of manufacture of total system, make system have the characteristic that to assemble fast, make the simulated properties of system higher, and strengthened adaptability, operability, expansion, terseness and the stability of system greatly.
The technical solution of the utility model is: the utility model has disclosed a kind of wiper experimental bench system, it is characterized in that, this system comprises:
The casing of drenching with rain comprises by connecting the framework that rod member is built with removably;
Water circulation system, comprise a plurality of shower nozzles, liquid level sensor, tank, membrane pump, entering water electromagnetic valve, drain solenoid valve, flowmeter sensor, two-position three-way valve, pressure transducer and water softening filtrator, wherein those shower nozzles are divided into a plurality of drizzle emulation shower nozzles and a plurality of heavy rain emulation shower nozzle, this entering water electromagnetic valve is connected water inlet end, be divided into two-way by first threeway, wherein one the tunnel leads to and to be arranged on this bottom half and this tank of this liquid level sensor is installed of drenching with rain, another road connects this water softening filtrator in regular turn, this membrane pump, this membrane pump is divided into two-way by second threeway, wherein lead up to this drain solenoid valve towards discharge ends, and another road connects this flow sensor in regular turn, pressure transducer also connects those drizzle emulation shower nozzles and those heavy rain emulation shower nozzles respectively by this two-position three-way valve;
Data acquisition and control system are carried out data acquisition and control to this water circulation system and wiper work system.
According to an embodiment of wiper experimental bench system of the present utility model, this connection rod member is an aluminium section bar, and the side of this casing of drenching with rain is provided with rain-proof curtain.
According to an embodiment of wiper experimental bench system of the present utility model, this tank is the folding water storage device that forms of PVC waterproof cloth.
According to an embodiment of wiper experimental bench system of the present utility model, this data acquisition and control system are installed on the single-chip microcomputer.
Embodiment according to wiper experimental bench system of the present utility model, this single-chip microcomputer has a plurality of connection terminals, be divided at least one input terminal and lead-out terminal, wherein those input terminals comprise the pressure input end, receive the output of the pipeline pressure of relevant this water circulation system of this pressure transducer, control drain solenoid valve draining when pressure reception value overpressure threshold value.
Embodiment according to wiper experimental bench system of the present utility model, those input terminals also comprise the liquid level input end, receive the output of the interior liquid level of relevant this tank of this liquid level sensor, turn-off and supply water thereby when liquid level reception value is higher than the liquid level upper limit, control this entering water electromagnetic valve, open by this water inlet and bring in water supply thereby when liquid level reception value is lower than the liquid level lower limit, control this entering water electromagnetic valve by the water in this tank.
According to an embodiment of wiper experimental bench system of the present utility model, those input terminals also comprise the flow input end, receive the input of the relevant water circulation system discharge of this flowmeter sensor, control the motor speed of this membrane pump according to discharge.
According to an embodiment of wiper experimental bench system of the present utility model, those input terminals also comprise the current detecting input end, receive the current value of wiper motor, realize the supervision and the counting of wiper duty.
According to an embodiment of wiper experimental bench system of the present utility model, those input terminals also comprise: angular detection input end, the scraping blade position of reception wiper, any selection of the stop position of the scraping blade of realization wiper.
According to an embodiment of wiper experimental bench system of the present utility model, this single-chip microcomputer is by changing the equivalent operational voltage value of wiper motor in the pulse-width regulated mode.
The utility model contrast prior art has following beneficial effect: the technical solution of the utility model is to adopt water circulation system, the wiper experimental bench system that data acquisition and control system and casing three parts of drenching with rain are formed, the casing of wherein drenching with rain is to use the framework that aluminium section bar builds with removably and rain-proof curtain has been installed, two groups of shower nozzles are set in the water circulation system, one group of emulation that fine raindrop are provided, one group of emulation that heavy rain is provided, data acquisition and control system are mounted in the AVR single-chip microcomputer, are used for water circulation system and wiper work system are carried out data acquisition and control.The contrast prior art, the utlity model has that cost is low, assembling fast, the operability of strong, the stand of operation simulation height, frock form adaptability and expansion height, the succinct stable characteristics of system.
Description of drawings
Fig. 1 is the structure diagram of the embodiment of wiper experimental bench system of the present utility model.
Fig. 2 is the structure diagram of water circulation system in the wiper experimental bench system of the present utility model.
Fig. 3 is the principle schematic of data acquisition and control system in the wiper experimental bench system of the present utility model.
Fig. 4 be in the wiper experimental bench system of the present utility model data acquisition and control system to the control principle synoptic diagram of wiper work system.
Embodiment
The utility model will be further described below in conjunction with drawings and Examples.
Fig. 1 shows the simple structure of the embodiment of wiper experimental bench system of the present utility model, and the dotted line among the figure is represented the flow direction of water.The wiper experimental bench system of present embodiment comprises three parts: drench with rain casing 1, water circulation system and data acquisition and control system.Tank 3 in the water circulation system is installed in the bottom of the casing 1 of drenching with rain, and shower nozzle is installed in the end face in the casing 1 of drenching with rain, and tank 3 wherein is soft tanks, is meant by the folding water storage device that forms of PVC waterproof cloth.Except above-mentioned tank 3, shower nozzle and be arranged on liquid level sensor (shown in Figure 2) in the tank 3, the remaining part of water circulation system and data acquisition and control system are installed in the control desk 2.Data acquisition and control system are controlled one or more water cycle control system and wiper work system simultaneously.
The casing 1 of drenching with rain is that the connection rod member is assembled into casing with removably, and what connect the rod member use is the aluminium section bar of 40 * 40mm, also can use the stainless steel pipe of diameter 40mm.Assembling mode in the present embodiment is to use two assembling sheets to build respectively on two faces at casing (on the casing those two sides) relative with vehicle window, and the mode of employing is the mode of building of handle screw, Spring Card and press strip.The casing 1 of drenching with rain adopts open version, and the both sides of the casing 1 of drenching with rain are fixing waterproof cloth (waterproof cloth being fixed on the aluminium section bar with filler rod), and front and back are the flexible anti curtain of rain that is used for waterproof, therefore before and after perforation, be convenient to car load and sail into.
Fig. 2 shows in detail the inner structure of water circulation system.See also Fig. 2, the component parts of water circulation system is: liquid level sensor 401, entering water electromagnetic valve 402, threeway 403, water softening filtrator 404, membrane pump 405, threeway 406, drain solenoid valve 407, flowmeter sensor 408, pressure transducer 409, two-position three-way valve 410, the jet head sets 412 that is used for the jet head sets 411 of light rain grain emulation and is used for the emulation of heavy rain grain.Connect by pipeline between these parts.
Liquid level sensor is installed in the soft tank 3.One end of entering water electromagnetic valve 402 is arranged on water inlet end (for example water swivel 5), and the other end connects threeway 403.The output of threeway 403 is divided into two-way, and wherein one the tunnel leads to soft tank 3, and another road connects water softening filtrator 404.Water softening filtrator 404 is membrane pump 405 and then, and membrane pump 405 connects threeway 406 again.The output of threeway 406 is divided into two-way, and the drain solenoid valve 407 of wherein leading up to connects outside drainpipe 6, another road connection traffic flowmeter sensor 408, pressure transducer 409 and two-position three-way valve 410.Two-position three-way valve 410 connects two groups of shower nozzles, one group is the jet head sets 411 that is used for fine raindrop emulation (the raindrop diameter is greatly about about 0.1mm), for example adopt 0.4 aperture, spray the circular solids shower nozzle that the angle is 75 degree, arrange that 4-5 such shower nozzle satisfies evenly sprinkling and the fine and close requirement that distributes with low relatively pressure, another group is the jet head sets 412 that is used for heavy rain emulation (the raindrop diameter is greatly about about 1mm), selecting two apertures for use is that 0.7mm, sprinkling angle are the Filled Rectangle shower nozzles of 65 degree, rains heavily work to realize grain sprinkling at higher pressure.
The working method of water circulation system is as follows: at first the water swivel 5 by tap water provides the water source, tap water is by entering water electromagnetic valve 402, by threeway 403, one the tunnel softens the filtering processing through 404 pairs of tap water of water softening filtrator enters membrane pump 405 again, again by a flowmeter sensor 408 and two-position three-way valve 410 (two-position three-way valve 410 is used to select different nozzle sets), offer shower nozzle and finish spray after membrane pump 405 improves hydraulic pressure.The water that produces through shower nozzle is reclaimed by soft tank 3.Another road of threeway 403 then directly enters soft tank 3, when the water of collecting in groove arrives default water level, act on by liquid level sensor 401 (also can be described as level switch), make entering water electromagnetic valve 402 adhesives turn-off tap water, after this offer shower nozzle by the water in the soft tank 3 again, keep circulation always.Certainly the water in soft tank 3 may occur under the situation of water consumption, and entering water electromagnetic valve 402 can be opened once more.
Water circulation system also is provided with automatic control mode except above-mentioned physical construction, realization of automatic control is relevant with data acquisition and control system.Fig. 3 shows the principle of data acquisition and control system.See also Fig. 3, data acquisition and control system are actually the AVR single-chip microcomputer, the AVR single-chip microcomputer of atmel corp is the single-chip microcomputer that enhancement mode RISC (reduced instruction) contains Flash, Flash storer on the chip is attached in user's the product, can programme at any time and programming again, make user's product design easy, it is convenient to update.The AVR single-chip microcomputer adopts the risc architecture that strengthens, and makes it have the high speed processing ability.And, the benefit of AVR single-chip microcomputer is to be connected with computer, by the AVR single-chip microcomputer independently finish data sampling, process control, data are deposited and printing function, and these information are passed to computer by the bidirectional linked list communication modes, so that finish functions such as more senior indication, data processing, data network communication and computer control, the fundamental purpose that computing machine uses is still in order to realize video and network function.As shown in Figure 3, the AVR single-chip microcomputer is by computer realization video acquisition, external LCDs, printer and keyboard.A plurality of connection terminals (comprising input terminal and lead-out terminal) are set on the AVR single-chip microcomputer, and row is connected to outside device by line.
This section is mounted in mutual between data acquisition on the AVR single-chip microcomputer and control system and the water circulation system.Input terminal comprises pressure input end, liquid level input end, flow input end.The pressure input end receives the output of the pipeline pressure of the pressure transducer 409 relevant water circulation systems in the water circulation system, control signal plumbing solenoid valve 407 of output when force value overpressure threshold value, data acquisition and 407 drainings of control system control drain solenoid valve are to alleviate ducted pressure.Can determine the circulation duty of water cycle by these means, and pipeline blocking state is indicated in good time and reported to the police.The liquid level input end receives the output of the liquid level sensor 401 relevant soft tanks 3 interior liquid levels in the water circulation system, be higher than data acquisition in limited time and 402 shutoffs of control system control entering water electromagnetic valve on the liquid level in liquid level reception value, thereby supply water by the water in the soft tank 3, be lower than under the liquid level data acquisition in limited time and control system control entering water electromagnetic valve 402 is opened in liquid level reception value, thereby supply water by the tap water of water swivel 5.Can realize real-time control by this means data acquisition and control system to water level in the tank.The flow input end receives the input of the interior discharge of flowmeter sensor 408 relevant pipelines in the water circulation system, data acquisition and control system are according to the motor speed of ducted discharge control membrane pump 405, and the final flow of flow under PID (FEEDBACK CONTROL) mode of realizing drenching with rain selected and adaptive-flow.Data acquisition and control system can be implemented in effective draining after the off-test to the control of drain solenoid valve.
After water circulation system entered duty, data acquisition and control system just can be controlled the wiper duty.This section is mounted in mutual between data acquisition on the AVR single-chip microcomputer and control system and the wiper work system, and Fig. 4 shows the mutual of AVR single-chip microcomputer and wiper work system.The input terminal of AVR single-chip microcomputer comprises current detecting input end, angular detection input end.The current detecting input end receives the current value of wiper motor, and data acquisition and control system realize the monitoring and the counting of wiper duty, and the state in the current settings scope can assert the rain shaving electrical machine stall, can indicate to user and shutdown.The scraping blade position of the relevant wiper that angular detection input end receiving angle sensor 8 transmits, data acquisition and control system realize the wiper scraping blade duty determine and to any selection of the stop position of the scraping blade 7 of wiper.Data acquisition and control system change the equivalent operational voltage value of wiper motor by PWM (pulse regulation) control to VMOS (power tube) in the mode of deciding voltage.
The foregoing description provides to those of ordinary skills and realizes or use of the present utility model; those of ordinary skills can be under the situation that does not break away from invention thought of the present utility model; the foregoing description is made various modifications or variation; thereby protection domain of the present utility model do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (10)
1. a wiper experimental bench system is characterized in that, this system comprises:
The casing of drenching with rain comprises by connecting the framework that rod member is built with removably;
Water circulation system, comprise a plurality of shower nozzles, liquid level sensor, tank, membrane pump, entering water electromagnetic valve, drain solenoid valve, flowmeter sensor, two-position three-way valve, pressure transducer and water softening filtrator, wherein those shower nozzles are divided into a plurality of drizzle emulation shower nozzles and a plurality of heavy rain emulation shower nozzle, this entering water electromagnetic valve is connected water inlet end, be divided into two-way by first threeway, wherein one the tunnel leads to and to be arranged on this bottom half and this tank of this liquid level sensor is installed of drenching with rain, another road connects this water softening filtrator in regular turn, this membrane pump, this membrane pump is divided into two-way by second threeway, wherein lead up to this drain solenoid valve towards discharge ends, and another road connects this flow sensor in regular turn, pressure transducer also connects those drizzle emulation shower nozzles and those heavy rain emulation shower nozzles respectively by this two-position three-way valve;
Data acquisition and control system are carried out data acquisition and control to this water circulation system and wiper work system.
2. wiper experimental bench system according to claim 1 is characterized in that, this connection rod member is an aluminium section bar, and the side of this casing of drenching with rain is provided with rain-proof curtain.
3. wiper experimental bench system according to claim 1 is characterized in that, this tank is the folding water storage device that forms of PVC waterproof cloth.
4. wiper experimental bench system according to claim 1 is characterized in that this data acquisition and control system are installed on the single-chip microcomputer.
5. wiper experimental bench system according to claim 4, it is characterized in that, this single-chip microcomputer has a plurality of connection terminals, be divided at least one input terminal and lead-out terminal, wherein those input terminals comprise the pressure input end, receive the output of the pipeline pressure of relevant this water circulation system of this pressure transducer, control drain solenoid valve draining when pressure reception value overpressure threshold value.
6. wiper experimental bench system according to claim 5, it is characterized in that, those input terminals also comprise the liquid level input end, receive the output of the interior liquid level of relevant this tank of this liquid level sensor, turn-off and supply water thereby when liquid level reception value is higher than the liquid level upper limit, control this entering water electromagnetic valve, open by this water inlet and bring in water supply thereby when liquid level reception value is lower than the liquid level lower limit, control this entering water electromagnetic valve by the water in this tank.
7. wiper experimental bench system according to claim 6 is characterized in that those input terminals also comprise the flow input end, receives the input of the relevant water circulation system discharge of this flowmeter sensor, controls the motor speed of this membrane pump according to discharge.
8. wiper experimental bench system according to claim 7 is characterized in that those input terminals also comprise the current detecting input end, receives the current value of wiper motor, realizes the supervision and the counting of wiper duty.
9. wiper experimental bench system according to claim 8 is characterized in that, those input terminals also comprise: angular detection input end, the scraping blade position of reception wiper, any selection of the stop position of the scraping blade of realization wiper.
10. wiper experimental bench system according to claim 9 is characterized in that, this single-chip microcomputer is by changing the equivalent operational voltage value of wiper motor in the pulse-width regulated mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202137840U CN201555716U (en) | 2009-11-18 | 2009-11-18 | Test stand system of wiper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202137840U CN201555716U (en) | 2009-11-18 | 2009-11-18 | Test stand system of wiper |
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| Publication Number | Publication Date |
|---|---|
| CN201555716U true CN201555716U (en) | 2010-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202137840U Expired - Lifetime CN201555716U (en) | 2009-11-18 | 2009-11-18 | Test stand system of wiper |
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| CN (1) | CN201555716U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102455241A (en) * | 2010-10-28 | 2012-05-16 | 上海汽车集团股份有限公司 | Water spray system, water spray test stand and control method of water spray system |
| CN102564773A (en) * | 2012-02-16 | 2012-07-11 | 奇瑞汽车股份有限公司 | System and method for controlling endurance test of electric wiper for automobile |
| CN103323180A (en) * | 2012-03-23 | 2013-09-25 | 海洋王照明科技股份有限公司 | IP water-proof testing device |
| CN103323181A (en) * | 2012-03-23 | 2013-09-25 | 海洋王照明科技股份有限公司 | IP water-proof testing device |
| CN105300705A (en) * | 2015-10-08 | 2016-02-03 | 上海大众汽车有限公司 | Wiper test device |
| CN105840476A (en) * | 2015-02-04 | 2016-08-10 | 杉野机械股份有限公司 | Pumping device |
| CN105953981A (en) * | 2016-04-20 | 2016-09-21 | 上海林频仪器股份有限公司 | Dripping rain test device |
| CN107132057A (en) * | 2017-06-23 | 2017-09-05 | 苏州科技大学 | Motor vehicle real vehicle windscreen wiper pilot system and test method |
| CN112798297A (en) * | 2021-01-06 | 2021-05-14 | 矩阵数据科技(上海)有限公司 | Method for testing performance of pure electric vehicle windscreen wiper |
| CN113504761A (en) * | 2021-08-13 | 2021-10-15 | 东莞市聚研硅胶科技有限公司 | Waterproof sealing performance simulation test machine for corrugated pipe of automobile telescopic swing rod |
-
2009
- 2009-11-18 CN CN2009202137840U patent/CN201555716U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102455241A (en) * | 2010-10-28 | 2012-05-16 | 上海汽车集团股份有限公司 | Water spray system, water spray test stand and control method of water spray system |
| CN102564773A (en) * | 2012-02-16 | 2012-07-11 | 奇瑞汽车股份有限公司 | System and method for controlling endurance test of electric wiper for automobile |
| CN103323180A (en) * | 2012-03-23 | 2013-09-25 | 海洋王照明科技股份有限公司 | IP water-proof testing device |
| CN103323181A (en) * | 2012-03-23 | 2013-09-25 | 海洋王照明科技股份有限公司 | IP water-proof testing device |
| CN105840476A (en) * | 2015-02-04 | 2016-08-10 | 杉野机械股份有限公司 | Pumping device |
| CN105840476B (en) * | 2015-02-04 | 2018-06-26 | 杉野机械股份有限公司 | Pump installation |
| CN105300705A (en) * | 2015-10-08 | 2016-02-03 | 上海大众汽车有限公司 | Wiper test device |
| CN105300705B (en) * | 2015-10-08 | 2017-08-25 | 上汽大众汽车有限公司 | Wiper experimental rig |
| CN105953981A (en) * | 2016-04-20 | 2016-09-21 | 上海林频仪器股份有限公司 | Dripping rain test device |
| CN107132057A (en) * | 2017-06-23 | 2017-09-05 | 苏州科技大学 | Motor vehicle real vehicle windscreen wiper pilot system and test method |
| CN112798297A (en) * | 2021-01-06 | 2021-05-14 | 矩阵数据科技(上海)有限公司 | Method for testing performance of pure electric vehicle windscreen wiper |
| CN113504761A (en) * | 2021-08-13 | 2021-10-15 | 东莞市聚研硅胶科技有限公司 | Waterproof sealing performance simulation test machine for corrugated pipe of automobile telescopic swing rod |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20100818 |