阅读说明：本技术 一种速度传感器测试设备 (Speed sensor test equipment ) 是由 吴玉荣 于 2019-09-30 设计创作，主要内容包括：本发明公开了一种速度传感器测试设备,包括底座、测速齿轮、机箱、喷头、调节支架和水泵,所述底座的上端设有机箱,所述机箱内设有测速齿轮,所述测速齿轮通过转轴与机箱的侧壁连接,所述机箱的外部设有与转轴连接的步进电机,所述测速齿轮的一侧设有用于固定速度传感器的调节支架,所述调节支架与机箱的侧壁滑动连接,所述底座的下端设有水箱,所述底座的上端设有水泵,所述机箱的上盖连有喷头,所述喷头设于速度传感器的上方,所述水泵通过水管与喷头连接；解决了目前测试设备无法检测实际使用中雨水对速度传感器的影响。(The invention discloses speed sensor testing equipment which comprises a base, a speed measuring gear, a case, a sprayer, an adjusting bracket and a water pump, wherein the case is arranged at the upper end of the base, the speed measuring gear is arranged in the case and is connected with the side wall of the case through a rotating shaft, a stepping motor connected with the rotating shaft is arranged outside the case, the adjusting bracket used for fixing a speed sensor is arranged on one side of the speed measuring gear and is connected with the side wall of the case in a sliding manner, a water tank is arranged at the lower end of the base, the water pump is arranged at the upper end of the base, the sprayer is connected with the upper cover of the case and is arranged above the speed sensor, and the water pump is connected with the sprayer through a water pipe; the influence of rainwater on the speed sensor in the practical use can not be detected by the conventional testing equipment.)

1. A speed sensor testing apparatus, characterized by: comprises a base (1), a speed-measuring gear (2), a case (3), a spray head (4), an adjusting bracket (7) and a water pump (9), wherein the case (3) is arranged at the upper end of the base (1), the speed-measuring gear (2) is arranged in the case (3), the speed-measuring gear (2) is connected with a side wall (302) of the case (3) through a rotating shaft (202), a stepping motor (201) connected with the rotating shaft (202) is arranged outside the case (3), the adjusting bracket (7) used for fixing a speed sensor (6) is arranged on one side of the speed-measuring gear (2), the adjusting bracket (7) is connected with the side wall (302) of the case (3) in a sliding manner, a water tank (5) is arranged at the lower end of the base (1), the water pump (9) is arranged at the upper end of the base (1), the spray head (4) is connected with an upper cover of the case (3), and the spray head, the water pump (9) is connected with the spray head (4) through a water pipe (901).

2. A speed sensor testing apparatus according to claim 1, wherein: the upper cover (301) of the case (3) is connected with the rear end cover (304), the speed measuring gear (2) is located below the upper cover (301), the adjusting support (7) is arranged close to the front end cover (303) of the case (3), and the case (3) above the adjusting support (7) is of an open structure.

3. A speed sensor testing apparatus according to claim 2, wherein: a bottom plate (308) of the case (3) is obliquely arranged, and a water leakage hole (102) communicated with the water tank (5) is formed in the bottom plate (308).

4. A speed sensor testing apparatus according to claim 3, wherein: the side wall (302) of the case (3) is provided with a supporting plate (305), and the stepping motor (201) is installed at the upper end of the supporting plate (305).

5. A speed sensor testing apparatus according to claim 1, wherein: one end of the upper cover (301) is provided with a fixing plate (307), and the spray head (4) is connected with the fixing plate (307).

6. A speed sensor testing apparatus according to claim 1, wherein: and a flow regulating valve (8) is arranged on the water pipe (901).

7. A speed sensor testing apparatus according to claim 1, wherein: adjust support (7) including fixed cover (702), backup pad (704), slide (707), the both ends of slide (707) are equipped with spout (705), lateral wall (302) inboard of quick-witted case (3) is equipped with slide rail (306), slide rail (306) and spout (705) cooperation, backup pad (704) are perpendicular with slide (707), the upper end of backup pad (704) is equipped with mounting panel (703), the upper end of mounting panel (703) is equipped with fixed cover (702) that are used for fixed speedtransmitter (6).

8. A speed sensor testing apparatus according to claim 7, wherein: and a locking bolt (701) for fixing the speed sensor (6) is arranged on the side wall of the fixed sleeve (702).

9. A speed sensor testing apparatus according to claim 7, wherein: the end of slide (707) is equipped with clamp plate (706), be equipped with fixed pin (708) on clamp plate (706), the cover has spring (709) on fixed pin (708), fixed pin (708) are connected with lateral wall (302) of quick-witted case (3).

10. A test method of speed sensor test equipment is characterized in that: the method specifically comprises the following steps:

the method comprises the following steps: firstly, a speed sensor (6) is inserted into a fixed sleeve (702), then the speed sensor (6) is fixed through a locking bolt (701), an adjusting bracket (7) is slid, a fixing pin (708) is pulled,

step two: then after the position is adjusted, the fixing pin (708) is loosened, and the fixing pin is pressed on the side wall (302) under the action of the spring (709) to fix the adjusting bracket (7),

step three: and finally, starting the water pump (9) and the stepping motor (201), driving the speed measuring gear (2) to rotate by the stepping motor (201), spraying water mist by the spray head (4), and measuring the speed of the speed measuring gear (2) by the speed sensor (6).

Technical Field

The invention relates to the technical field of speed sensor detection, in particular to speed sensor testing equipment.

Background

The increment of displacement per unit time is the velocity. The speed includes a linear speed and an angular speed, and a linear speed sensor and an angular speed sensor, which are referred to as a speed sensor, correspond to the linear speed and the angular speed. The speed sensor is classified into a contact type and a non-contact type according to the installation form.

The existing testing device for the non-contact speed sensor mainly comprises a movable support, the sensor is placed on the movable support, the relation between the sensor and a detection distance is tested by adjusting the support, the influence of vibration on the sensor is simulated, however, when the speed sensor is applied to a vehicle, the influence of the natural environment on the sensor is considered, and the existing detection equipment cannot detect the detection precision of the speed sensor in rainy days.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the speed sensor testing equipment, the spray head is arranged above the speed sensor for spraying water mist to simulate the rainwater weather in practical use, so as to detect the influence of the water mist on the speed sensor, realize the performance detection on the speed sensor and solve the problem that the existing testing equipment cannot detect the influence of the rainwater on the speed sensor in practical use.

In order to realize the purpose, the invention provides the following technical scheme:

the utility model provides a speedtransmitter test equipment, includes base, tachometer gear, quick-witted case, shower nozzle, regulation support and water pump, the upper end of base is equipped with quick-witted case, the machine incasement is equipped with tachometer gear, tachometer gear is connected through the lateral wall of pivot with quick-witted case, the outside of machine case is equipped with the step motor who is connected with the pivot, one side of tachometer gear is equipped with the regulation support that is used for fixed speedtransmitter, adjust the lateral wall sliding connection of support and quick-witted case, the lower extreme of base is equipped with the water tank, the upper end of base is equipped with the water pump, the upper cover of machine case even has the shower nozzle, speedtransmitter's top is located to the shower nozzle.

Preferably, the upper cover of the case is connected with the rear end cover, the speed measuring gear is located below the upper cover, the adjusting support is arranged close to the front end cover of the case, and the case above the adjusting support is of an open structure.

Preferably, the bottom plate of the case is obliquely arranged, and the bottom plate is provided with a water leakage hole communicated with the water tank.

Preferably, a supporting plate is arranged on the side wall of the case, and the stepping motor is installed at the upper end of the supporting plate.

Preferably, one end of the upper cover is provided with a fixing plate, and the spray head is connected with the fixing plate.

Preferably, a flow regulating valve is arranged on the water pipe.

Preferably, adjust the support including fixed cover, backup pad, slide, the both ends of slide are equipped with the spout, the lateral wall inboard of machine case is equipped with the slide rail, slide rail and spout cooperation, the backup pad is perpendicular with the slide, the upper end of backup pad is equipped with the mounting panel, the upper end of mounting panel is equipped with the fixed cover that is used for fixed speedtransmitter.

Preferably, the side wall of the fixed sleeve is provided with a locking bolt for fixing the speed sensor.

Preferably, the end part of the sliding plate is provided with a pressing plate, the pressing plate is provided with a fixing pin, the fixing pin is sleeved with a spring, and the fixing pin is connected with the side wall of the case.

Compared with the prior art, the invention has the beneficial effects that:

1. this speedtransmitter test equipment sets up the shower nozzle in speedtransmitter's top and sprays the rainwater weather that the water smoke comes the simulation in-service use, detects water smoke to speedtransmitter's influence, realizes detecting speedtransmitter's performance, has solved the influence of rainwater to speedtransmitter in the unable detection in-service use of present test equipment.

2. This speedtransmitter test equipment shelters from the gear that tests the speed through the cooperation of upper cover, rear end cap, lateral wall, splashes the water droplet when avoiding the gear that tests the speed rotatory, establishes the top of adjusting the support into the opening and is convenient for observe the test situation, guarantees test safety.

3. This speedtransmitter test equipment, the water after spraying is through the palirrhea return water tank in the hole that leaks, and the water in the water tank is taken away by the water pump and is spouted by the shower nozzle, has realized the recycle of rivers, has saved the water resource.

4. This speedtransmitter test equipment inserts speedtransmitter in the fixed cover, then compresses tightly speedtransmitter fixedly through the locking bolt, and fixed mode is simple, reliable, the dismouting of being convenient for.

5. This speedtransmitter test equipment, the tip of slide is equipped with the clamp plate, is equipped with the fixed pin on the clamp plate, and the cover has the spring on the fixed pin, realizes the fixed to adjusting the support through the fixed pin under the effect of spring, and fixed mode is simple, reliable, and the operation is convenient.

Drawings

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a top view of the enclosure;

FIG. 4 is a schematic view of the structure of the adjustment bracket;

fig. 5 is a cross-sectional view of the present invention.

In the figure: 1-a base; 101-support legs; 102-water leakage holes; 2-a speed measuring gear; 201-a stepper motor; 202-a rotating shaft; 3-a case; 301-upper cover; 302-a side wall; 303-front end cap; 304-a rear end cap; 305-a pallet; 306-a slide rail; 307-a fixed plate; 308-a backplane; 4-a spray head; 5-a water tank; 6-a speed sensor; 7-adjusting the support; 701-locking bolts; 702-a fixation sleeve; 703-a mounting plate; 704-a support plate; 705-chute; 706-a platen; 707-a sled; 708-fixed pins; 709-a spring; 8-a flow regulating valve; 9-a water pump; 901-water pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, a speed sensor testing device includes a base 1, a speed-measuring gear 2, a case 3, a nozzle 4, an adjusting bracket 7 and a water pump 9, wherein the upper end of the base 1 is provided with the case 3, the case 3 is internally provided with the speed-measuring gear 2, the speed-measuring gear 2 is connected with a side wall 302 of the case 3 through a rotating shaft 202, the outside of the case 3 is provided with a stepping motor 201 connected with the rotating shaft 202, one side of the speed-measuring gear 2 is provided with the adjusting bracket 7 for fixing a speed sensor 6, the adjusting bracket 7 is slidably connected with the side wall 302 of the case 3, the lower end of the base 1 is provided with a water tank 5, the upper end of the base 1 is provided with the water pump 9, the upper cover of the case 3 is connected with the nozzle 4, the nozzle 4 is arranged above the speed sensor 6, and.

During the use, fix speedtransmitter 6 on adjusting support 7, its speedtransmitter 6 just is measuring gear 2, drives measuring gear 2 through step motor 201 and rotates, starts water pump 9, sprays the water smoke through shower nozzle 4. The spray head 4 is arranged above the speed sensor 6 to spray water mist to simulate the rainwater weather in actual use, so that the influence of the water mist on the speed sensor 6 is detected, the performance detection of the speed sensor is realized, and the problem that the existing testing equipment cannot detect the influence of the rainwater on the speed sensor in actual use is solved.

In order to prevent water drops from splashing, the upper cover 301 of the case 3 is connected with the rear end cover 304, the speed measuring gear 2 is located below the upper cover 301, the adjusting bracket 7 is arranged close to the front end cover 303 of the case 3, and the case 3 above the adjusting bracket 7 is of an open structure. The speed measuring gear 2 is shielded through the matching of the upper cover 301, the rear end cover 304 and the side wall 302, so that the water drops are prevented from splashing when the speed measuring gear 2 rotates, the upper part of the adjusting support 7 is arranged to be an opening, the test condition can be conveniently observed, and the test safety is ensured.

In order to prevent water from accumulating in the case, as shown in fig. 5, a bottom plate 308 of the case 3 is disposed obliquely, and as shown in fig. 3, the bottom plate 308 is provided with a water leakage hole 102 communicated with the water tank 5. The water after spraying flows back to water tank 5 through the hole that leaks, and the water in the water tank 5 is taken away by water pump 9 and is spouted by shower nozzle 4, has realized the recycle of rivers, has saved the water resource.

In order to fix the stepping motor conveniently, a supporting plate 305 is arranged on the side wall 302 of the case 3, and the stepping motor 201 is installed at the upper end of the supporting plate 305.

In order to fix the nozzle, a fixing plate 307 is disposed at one end of the upper cover 301, and the nozzle 4 is connected to the fixing plate 307.

In order to test the influence of the water mist with different degrees on the speed sensor, a flow regulating valve 8 is arranged on the water pipe 901.

In order to realize the distance adjustment of the speed sensor, as shown in fig. 4, the adjusting bracket 7 includes a fixing sleeve 702, a supporting plate 704, and a sliding plate 707, two ends of the sliding plate 707 are provided with sliding grooves 705, as shown in fig. 3, the inner side of the side wall 302 of the case 3 is provided with a sliding rail 306, the sliding rail 306 is matched with the sliding groove 705, the supporting plate 704 is perpendicular to the sliding plate 707, the upper end of the supporting plate 704 is provided with a mounting plate 703, and the upper end of the mounting plate 703 is provided with the fixing sleeve 702 for fixing the speed sensor 6.

The side wall of the fixed sleeve 702 is provided with a locking bolt 701 for fixing the speed sensor 6.

During the use, insert speed sensor in fixed cover 701, then compress tightly speed sensor fixedly through lock bolt 701, fixed mode is simple, reliable.

In order to facilitate fixing, a pressing plate 706 is arranged at the end of the sliding plate 707, a fixing pin 708 is arranged on the pressing plate 706, a spring 709 is sleeved on the fixing pin 708, the fixing pin 708 is connected with the side wall 302 of the case 3, one end of the spring is connected with the pressing plate, and the other end of the spring is connected with the fixing pin.

The specific operation method comprises the steps of inserting the speed sensor 6 into the fixing sleeve 702, fixing the speed sensor 6 through the locking bolt 701, sliding the adjusting support 7, pulling the fixing pin 708, loosening the fixing pin 708 after the position is adjusted, pressing the fixing pin on the side wall 302 under the action of the spring 709, fixing the adjusting support 7, starting the water pump 9 and the stepping motor 201, driving the speed measuring gear 2 to rotate by the stepping motor 201, spraying water mist by the spray head 4, measuring the speed of the speed measuring gear 2 by the speed sensor 6, and solving the problem that the existing testing equipment cannot detect the influence of rainwater on the speed sensor in actual use.

The invention has the beneficial effects that: this speedtransmitter test equipment sets up the shower nozzle in speedtransmitter's top and sprays the rainwater weather that the water smoke comes the simulation in-service use, detects water smoke to speedtransmitter's influence, realizes detecting speedtransmitter's performance, has solved the influence of rainwater to speedtransmitter in the unable detection in-service use of present test equipment. This speedtransmitter test equipment shelters from the gear that tests the speed through the cooperation of upper cover, rear end cap, lateral wall, splashes the water droplet when avoiding the gear that tests the speed rotatory, establishes the top of adjusting the support into the opening and is convenient for observe the test situation, guarantees test safety. This speedtransmitter test equipment, the water after spraying is through the palirrhea return water tank in the hole that leaks, and the water in the water tank is taken away by the water pump and is spouted by the shower nozzle, has realized the recycle of rivers, has saved the water resource. This speedtransmitter test equipment inserts speedtransmitter in the fixed cover, then compresses tightly speedtransmitter fixedly through the locking bolt, and fixed mode is simple, reliable, the dismouting of being convenient for. This speedtransmitter test equipment, the tip of slide is equipped with the clamp plate, is equipped with the fixed pin on the clamp plate, and the cover has the spring on the fixed pin, realizes the fixed to adjusting the support through the fixed pin under the effect of spring, and fixed mode is simple, reliable, and the operation is convenient.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.