CN105235647A - Detecting device and detecting method of optical element of rain sensor - Google Patents
Detecting device and detecting method of optical element of rain sensor Download PDFInfo
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- CN105235647A CN105235647A CN201410329251.4A CN201410329251A CN105235647A CN 105235647 A CN105235647 A CN 105235647A CN 201410329251 A CN201410329251 A CN 201410329251A CN 105235647 A CN105235647 A CN 105235647A
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Abstract
The invention relates to a detecting device of a rainwater sensor in vehicle parts, and especially relates to a detecting device and a detecting method of an optical element of a rain sensor, wherein the detecting device comprises a rack and a back plate set on the rack; the rack is also provided with a control system, a power system, a rain wiper and a piece of glass; one side of the piece of glass is put on the rack and the other end thereof is leaned on the back plate; the rain wiper is attached to the side face of the piece of the glass and the rain wiper is driven to move by the power system; the control system can receive signals of the rain sensor and control the operation of the power system; the rack is further provided with a spraying head with a side face spraying water; and the spraying head is provided with a rain wiper towards the piece of the glass. The whole detecting device has the advantages of simple structure, and convenient and rapid use; the detecting velocity is high and the detecting effect is good, when the optical element of the rain sensor is detected by the detecting device provided herein.
Description
Technical field
The present invention relates to the check implement of the rainwater inductor in a kind of auto parts and components, particularly relate to a kind of check implement and method of inspection of optical element of rain sensor.
Background technology
Rain sensor, i.e. rainfall inductor, be respond to raindrop when raining to be dropped in the sensor of the change of the reflective light intensity that windshield causes, it is generally made up of infrared light emission circuit and infrared light acceptor circuit, and it can send the different infrared signal of intensity accordingly according to the size of rainfall.When windshield outside face has raindrop to drip, the light incided on Windshield is fallen by partial dispersion, like this, reflected light rays will tail off, rainfall is larger, and the light reflected is fewer, by with the comparing of the light intensity received under Windshield drying regime, the size of the raindrop on Windshield can be drawn in real time, how much, and then different rainy patterns can be judged, to car body controller BCM or independently controller send and scrape water request, control Windshield Wiper completes interval and scrapes water, low speed contact is scraped water or is contacted at a high speed and scrapes water, namely the size according to rain when rainy regulates wiper accordingly, when rainfall is less, the rainwater on Windshield is scraped totally and has not just been scraped by control wiper, be automatically brought to regard to control wiper when rainfall is larger and scrape continuously, do not need frequently to go to dial wiper switch, just be automatically brought to time large again and scrape continuously fast, just turn after rain is little and scrape at a slow speed, after rain stops, control wiper quits work.
Rainfall inductor is not to convert the responsiveness of rain brush with several limited gear, but step-less adjustment is done to the responsiveness of rain brush, it has a light emitting diode being called as LED and is responsible for sending far-infrared rays, when glass surface is dry, light is almost that 100% ground is reflected back, and such photoelectric diode just can receive a lot of reflected light rayss, and the rainwater on glass is more, the light reflected is fewer, and consequently rain brush action is faster.
Optical element in rain sensor is the vitals of the intensity of reflected light detecting windshield, rain sensor needed to detect its optical element before installing and using, to judge that whether it is qualified, need to use check implement when detecting, traditional assay device structures is complicated heavy, inefficiency, and its sensitivity is also lower.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides the rain sensor check implement that a kind of structure is simple, detection efficiency is high, and the present invention also combines the method for inspection that provides the apparatus a kind of rain sensor, can detect that whether the optical element of rain sensor is qualified easily and fast, efficiently.
The present invention for solving the problems of the technologies described above adopted technical scheme is: the check implement of the optical element of rain sensor, comprise frame and be arranged on the backboard in described frame, described frame is also provided with control system, power system, rain brush and glass, described glass side is placed in described frame, opposite side leans against on described backboard, the side that described rain brush is attached to described glass operates under the drive of described power system, and described control system can receive the signal of rain sensor and control the operation of described power system; Described frame is also provided with the shower nozzle can sprayed water towards the side of described glass.
For the check implement of the optical element of above-mentioned rain sensor, as further setting, described frame is also provided with limiting stopper, described glass is arranged between described backboard and described limiting stopper.And described limiting stopper is preferably multiple, and in arranging with the linearity of described backboard run-in index, be convenient to placing glass between limiting stopper and backboard.
For the check implement of the optical element of above-mentioned rain sensor, as further setting, described frame is also provided with water tank, the connecting water pipe be communicated with described shower nozzle is also provided with in described water tank, also be provided with for the water in described water tank is extracted in connecting water pipe at described water tank place, and transfer to the water pump at shower nozzle place.
For the check implement of the optical element of above-mentioned rain sensor, as further setting, described backboard is also provided with back cushion, described glass leans against on described back cushion, certain buffer action can be played, avoid the hard contact between glass and backboard to impact and make glass damage.
For the check implement of the optical element of above-mentioned rain sensor, as further perfect, be also provided with rainwater baffle plate in the surrounding of described frame, prevent the water sprayed from shower nozzle to be splashed to around check implement.
For the check implement of the optical element of above-mentioned rain sensor, as further setting, described control system is the BCM car body controller being arranged on the casing be arranged in described frame, and described power system is motor.
An optical element method of inspection for rain sensor, uses the check implement of the optical element of above-mentioned rain sensor, adopts following steps:
S1, the rain sensor with optical element is attached to the glass of the check implement of the optical element of rain sensor back on the side of shower nozzle;
The control system of the check implement of the optical element of S2, unlatching rain sensor, and control shower nozzle is sprayed water towards glass simultaneously, after this, does, then carry out next step operation if rain brush starts to scrape hydrodynamic(al) under control; If not, then the optical element nonconformity of rain sensor, testing process terminates;
S3, control shower nozzle make it stop to glass water spray, if rain brush shuts down after being struck off by the water on glass voluntarily, then the optical element of rain sensor is qualified, and testing process terminates; If not, then the optical element nonconformity of rain sensor, testing process terminates.
For the method for inspection of above-mentioned rain sensor optical element, as one of its preparation process, it is further comprising the steps of before step S1: S0, to be attached to by the optical element of rain sensor not containing on the rain sensor of optical element, then rain sensor is attached to glass back on the side of shower nozzle.
And, for the method for inspection of above-mentioned rain sensor optical element, as further perfect, further comprising the steps of between step S1 and step S2: S101, detecting and controlling system and power system can normally work, if can, carry out next step operation; Maintenance is then needed normally to work if not.
The check implement of rain sensor optical element of the present invention and method of inspection is adopted to have following beneficial effect: the check implement of the optical element of rain sensor provided by the invention adopts the mode arranging backboard in frame, by glass against between frame and backboard, and frame is provided with the power system that rain brush can be driven to slide on the side of glass, and the control system that infrared signal that rain sensor sends controls power system accordingly can be received, also be provided with one can be sprayed shower nozzle from rainwater to of a glass side, the scene of Windshield in rainy weather can be simulated, the rain sensor posting optical element is bonded at the side of glass back to shower nozzle, the change of the reflective light intensity of the water induction glass that the rain sensor with optical element can be sprayed according to shower nozzle, thus send the different infrared signal that vary of intensity to control system, starting power system by control system drives rain brush to start working, after making shower nozzle stop water spray, water on glass is cleaned out by rain brush, the reflective light intensity of glass is stablized, the infrared signal that rain sensor sends is in stabilized conditions, control system controls power system according to the infrared signal of this stabilized conditions and rain brush is quit work, compared with traditional check implement, structure of the present invention is simple, cost of manufacture is cheap, and detection efficiency is high, use also very convenient and swift.
The present invention also provides a kind of optical element method of inspection of rain sensor, in deterministic process, use the check implement of the rain sensor optical element in the present invention, make it cannot start to glass water spray rear windscreen wiper if open shower nozzle, the optical element nonconformity of rain sensor is then described, if or when closedown shower nozzle makes it stop spraying water, rain brush is in running order all the time cannot be stopped, then the optical element nonconformity of rain sensor is also described; If rain brush can be started working along with the water spray of shower nozzle, and along with after shower nozzle stopping water spray, the water on glass can be removed totally and quits work, then illustrate that the optical element of rain sensor is qualified; The method is convenient, fast when judging the quality problems of optical element of rain sensor, and accuracy rate is high.
Accompanying drawing explanation
Fig. 1 is the front elevation of the check implement of the optical element of rain sensor in the present invention;
Fig. 2 is the lateral plan of the check implement of the optical element of rain sensor in the present invention;
Fig. 3 is the schematic diagram that optical element is attached on rain sensor by the check implement of the optical element of invention rain sensor in this in use;
Fig. 4 is the check implement schematic diagram of gluing sheet on optical element in use of the optical element of rain sensor in the present invention;
Fig. 5 is the control system figure of the check implement of the optical element of rain sensor in the present invention;
Fig. 6 is the diagram of circuit of the optical element method of inspection of a kind of rain sensor in the present invention.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In general, rain sensor comprises two large divisions, i.e. optical element and infrared emission component, optical element detects Windshield intensity of reflected light, infrared emission component sends the infrared signal of varying strength accordingly when intensity of reflected light changes, provide rainfall with or without and size time signal to receive for the control system on automobile and judge, thus control rain brush work.
The check implement of rain sensor optical element, as shown in Figure 1, comprise a frame 500, frame 500 is provided with glass 600, glass 600 is stuck in frame 500, frame 500 is also provided with backboard 700 and limiting stopper 800, glass 600 is stuck between backboard 700 and limiting stopper 800, the height of backboard 700 is higher than glass 600, like this at the top mounting spray head 403 of backboard 700, can ensure that the level height of shower nozzle 403 is higher than glass 600, make the water of ejection in shower nozzle 403 can pour above glass 600, shower nozzle 403 is arranged on connecting water pipe 402, the other end of connecting water pipe 402 is arranged in water tank 401, at water tank 401, place is also provided with water pump, for the water in water tank 401 is extracted in connecting water pipe 402, through connecting water pipe 402, water is transferred to shower nozzle 403, from shower nozzle 403, ejection pours glass 600, rainwater on rain simulation weather windshield drenches scene, simultaneously, in shower nozzle 403, the water of ejection is splashed to around frame 500 from glass 600, also need to arrange rainwater baffle plate 501 in frame 500 surrounding, and one groove (not indicating in figure) is set in the position of frame 500 placing glass 600, like this, the water of ejection from shower nozzle 403 collects from converging in groove after glass 600 flows down, discharge finally by pipeline.
Certainly, groove in above-mentioned frame 500 can also be communicated with water tank 401, be specially, by connecting tube, the water collected in groove is led back in water tank 401, also a through hole (not indicating in figure) can be offered in a groove, and water tank 401 is arranged on below this through hole, make the water in groove can flow directly in water tank 401, recycle. simultaneously
Frame 500 is also provided with control system 100, power system 200 and rain brush 201, the outside face of glass 600 is close to by rain brush 201, and under the drive of power system 200, hydrodynamic(al) work is scraped along the surface of glass 600, power system 200 works under control, it can the instruction of receiving control system 100, carry out corresponding mode of operation according to received different instruction, rain brush 201 can be driven under the different instruction of control system 100 to carry out scraping hydrodynamic(al) with different speed and do.
Control system 100 is provided with multiple control button, as power knob, start button and control rain brush 201 and scrape the automatic catch and manual gear etc. that hydrodynamic(al) does, control system 100 can receive infrared signal, and send different instructions to power system 200 according to the infrared signal of different degree of strength, thus the accurate control realized power system 200, and then the accurate control of scraping hydrodynamic(al) work realized rain brush 201, the Signal transmissions of control system 200 as shown in Figure 5, rain sensor 300 collects the intensity of reflected light information of glass 600, then infrared signal is sent accordingly to control system 200, control system 200 controls power system 300 according to the infrared signal received and drives rain brush 201 to work.
Control system 100 in the present invention adopts BCM car body controller, in the prior art, BCM car body controller is very ripe, market there is a lot of producer sell, the BCM car body controller that such as Jiangsu Rosewell Electric Applicance Co., Ltd produces, and the BCM car body controller of permanent profit science and technology manufacture all can meet the function of the control system 100 in the present invention.Control system 100 in the present invention can also adopt other existing independently controller, illustrates no longer one by one in specification sheets.
In FIG, a casing (not indicating in figure) can be set in frame 500, control system 100 is arranged in casing, frame 500 has a platform (not indicating in figure), platform arranges several limiting stoppers 800, limiting stopper 800 is linearly arrangement on platform, meanwhile, backboard 700 arranges on the platform, and glass 600 is placed between backboard 700 and limiting stopper 800, shower nozzle 403 is positioned at the top of backboard 700, and towards a side of glass 600.
As shown in Figure 2, glass 600 is placed in frame 500, and lean against on backboard 700, make glass 600 side towards shower nozzle 403 (becoming front below this side), like this, from shower nozzle 403, the water of ejection can only pour glass surface on a side (becoming reverse side below) of shower nozzle 403, rain sensor 300 is arranged on the side of glass 600 away from shower nozzle 403, the water of ejection in shower nozzle 403 is avoided to affect the work of rain sensor 300, water is sprayed onto the front of glass 600 by shower nozzle 403, thus have influence on the intensity of reflected light of glass 600, the rain sensor 300 being positioned at glass 600 back side just can detect the real-time intensity of reflected light of glass 600, thus the infrared signal sending varying strength is to control system 100, start testing process.Power system 200 in the present invention can use motor, motor etc., can work under the control of control system 100.
The method using above-mentioned rain sensor check implement to detect rain sensor optical element, comprises the following steps:
S1, as shown in Figure 3, Figure 4, the optical element of rain sensor being filled 900 is contained on rain sensor 300, then rain sensor is attached to the back side (namely glass 600 is back to the one side of shower nozzle 403, and in shower nozzle 403, the water of ejection can not pour on this side) of the glass 600 of rain sensor check implement;
S2, open the source switch of the control system 100 of rain sensor check implement, the manual gear of opening control system 100, whether test power system 200 is normal with rain brush 201, if normal, the manual gear of closing control system 100, carries out next step action; If mal, then need to detect power system and rain brush 201 and whether control system 100 breaks down and corresponding carrying out is keeped in repair, can normally work;
The automatic catch of S3, opening control system 100, open the water pump at water tank 401 place simultaneously, make shower nozzle 403 to front (namely in the face of the side of the shower nozzle 403) water spray of glass 600, the scene of drenching with rain of rain simulation weather Windshield, if now rain brush 201 can along with in shower nozzle 201 ejection water and run-in synchronism, then carry out next step action; If rain brush 201 cannot to be sprayed water run-in synchronism with shower nozzle 201, then the optical element nonconformity of rain sensor is described, test process terminates;
The water pump at S4, cut out water tank 401 place, makes shower nozzle 403 stop spraying water to glass 600, shuts down voluntarily if the water on glass 600 is scraped totally by rain brush 201, then illustrate that the optical element of rain sensor is qualified, test process terminates; If the water on glass 600 is scraped totally and cannot be shut down voluntarily by rain brush 201, then the optical element nonconformity of rain sensor is described, test process terminates.
Before starting to detect, first rain sensor optical element 900 to be detected is assembled into rain sensor 300 with infrared emission component etc., as shown in Figure 3, the front of rain sensor optical element 900 is attached on the body of rain sensor 300, another side is stained with film 1000 (as shown in Figure 4), finally rain sensor entirety is bonded on glass 600 by this film 1000, as shown in Figure 2, can starts to carry out test job, method flow diagram of the present invention as shown in Figure 6, in test process, the source switch of first opening control 100, open manual gear switch, control power system 200 and drive rain brush 201 entry into service, make rain brush 201 start to scrape water conservancy project to do, to detect power system 200 and whether rain brush 201 can normally work, close manual gear afterwards, open automatic catch switch, start pattern test of drenching with rain, during this, the intensity of reflected light of the glass 600 that rain sensor 300 is collected is constant, it can send infrared signal to control system 100 is continual, and intensity of infrared signal continues to fix during this, control system 100 can keep the current command when receiving the infrared signal of lasting same intensity, open the water pump at water tank 401 place afterwards, water in water tank is sprayed on glass 600 by shower nozzle 403, because shower nozzle 403 is positioned at the top of rain sensor 300, in shower nozzle 403, the water of ejection can be sprayed onto on the glass 600 at rain sensor 300 place, as shown in Figure 2, because glass 600 is subject to the water mitigation of shower nozzle 403 ejection, there is change in the intensity of its reflected light thereupon, rain sensor 300 collects the intensity of reflected light change information on glass 600, infrared signal is sent accordingly according to this information, in the sprinkling process of shower nozzle 403, the water that shower nozzle 403 sprays falls (rain simulation weather to the full extent on glass 600 in some drop-wise, present raindrop and drop onto scene on Windshield), therefore the emitted luminescence intensity of glass 600 is also in continual change, the optical element 900 of rain sensor 300 responds to the transient change of the reflective light intensity of glass 600, and send infrared signal accordingly according to this change, the power of this infrared signal changes accordingly according to the change of reflective light intensity, final control system 100 receives the infrared signal that Strength Changes that rain sensor 300 sends, and send instruction control power system 200 according to this signal, make the ultrared signal running that it sends according to rain sensor 300, and then control rain brush 201 make its with different speed complete scrape hydrodynamic(al) do, the standard that whether qualified optical element 900 on concrete judgement rain sensor 300 is is: make it spray water to glass 600 if open shower nozzle 403, then control system 100 can start power system 200 and makes rain brush 201 can start to scrape hydrodynamic(al) to do, when closing shower nozzle 403 and making it stop spraying water to glass, rain brush 201 continues to scrape hydrodynamic(al) and does, until the water mark on glass 600 is cleaned out by rain brush 201, the intensity of reflected light of glass 600 no longer changes, the infra-red intensity that rain sensor 300 sends also no longer changes, control system 100 sends instruction to power system 200, make it shut down, and then rain brush 201 also no longer works, prove that the optical element 900 of rain sensor 300 is qualified, otherwise then do not conform to rule, testing process terminates.
By reference to the accompanying drawings the specific embodiment of the present invention is explained in detail above, but the present invention is not limited to above-mentioned embodiment, in the ken that those skilled in the art possess, can also makes a variety of changes under the prerequisite not departing from present inventive concept.
Claims (10)
1. the check implement of the optical element of rain sensor, comprise frame (500) and be arranged on the backboard (700) in described frame (500), and control system (100), it is characterized in that: in described frame (500), be also provided with power system (200), rain brush (201) and glass (600), described glass (600) side is placed in described frame (500), opposite side leans against on described backboard (700), the side that described rain brush (201) is attached to described glass (600) operates under the drive of described power system (200), described control system (100) can receive the signal of rain sensor and control the operation of described power system (200), described frame (500) is also provided with the shower nozzle (403) can sprayed water towards the side of described glass (600).
2. the check implement of the optical element of rain sensor according to claim 1, it is characterized in that: in described frame (500), be also provided with limiting stopper (800), described glass (600) is arranged between described backboard (700) and described limiting stopper (800).
3. the check implement of the optical element of rain sensor according to claim 2, is characterized in that: described limiting stopper (800) is for multiple, and linearly arrangement.
4. the check implement of the optical element of rain sensor according to claim 1, it is characterized in that: in described frame (500), be also provided with water tank (401), the connecting water pipe (402) be communicated with described shower nozzle (403) is also provided with in described water tank (401), also be provided with for the water in described water tank (401) is extracted in connecting water pipe (402) at described water tank (401) place, and transfer to the water pump at shower nozzle (403) place.
5. the check implement of the optical element of rain sensor according to claim 1, it is characterized in that: on described backboard (700), be also provided with back cushion (1100), described glass (600) leans against on described back cushion (1100).
6. the check implement of the optical element of rain sensor according to claim 1, is characterized in that: be also provided with rainwater baffle plate (501) in the surrounding of described frame (500).
7. the check implement of the optical element of rain sensor according to claim 1, it is characterized in that: described control system (100) is for being arranged on the BCM car body controller of the casing be arranged in described frame (500), and described power system (200) is motor.
8. an optical element method of inspection for rain sensor, is characterized in that: the check implement using the optical element of the rain sensor described in claim 1-7, adopts following steps:
S1, the rain sensor with optical element (900) is attached to the glass (600) of the check implement of the optical element of rain sensor back on the side of shower nozzle (403);
Control system (100) switch of the check implement of the optical element of S2, unlatching rain sensor, and control shower nozzle (403) simultaneously and spray water towards glass (600), after this, do if rain brush (201) starts to scrape hydrodynamic(al) under control, then carry out next step operation; If not, then the optical element nonconformity of rain sensor, testing process terminates;
S3, control shower nozzle (403) make it stop spraying water to glass (600), if rain brush (201) shuts down after being struck off by the water on glass (600) voluntarily, then the optical element of rain sensor is qualified, and testing process terminates; If not, then the optical element nonconformity of rain sensor, testing process terminates.
9. the method for inspection of rain sensor optical element according to claim 8, it is characterized in that: further comprising the steps of before step S1: S0, the optical element (900) of rain sensor to be attached to not containing on the rain sensor of optical element, then rain sensor is attached to glass (600) back on the side of shower nozzle (403).
10. the method for inspection of rain sensor optical element according to claim 8 or claim 9, it is characterized in that: further comprising the steps of between step S1 and step S2: S101, detecting and controlling system (100) and power system (200) can normally work, if can, carry out next step operation; Maintenance is then needed normally to work if not.
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CN108437934A (en) * | 2018-05-14 | 2018-08-24 | 安徽江淮汽车集团股份有限公司 | Rain sensor tests system |
KR102068904B1 (en) * | 2018-08-23 | 2020-02-07 | 주식회사 경신홀딩스 | Vehicle rain sensor testing device |
CN110987386A (en) * | 2019-11-11 | 2020-04-10 | 中国商用飞机有限责任公司 | Performance detection apparatus and method for windshield wiper system |
CN111812751A (en) * | 2020-08-12 | 2020-10-23 | 沈阳仪表科学研究院有限公司 | Automatic test equipment for rainfall illumination sensor |
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