CN213986537U - Test device for rotating speed sensor - Google Patents

Abstract

The utility model discloses a speed sensor test device, including the equipment framework, be located the upper substrate on equipment framework upper strata, be located the infrabasal plate of equipment framework lower floor, be located the final drive shaft on the upper substrate, be located final drive shaft one end and with the fixed main shaft encoder of axle center, be located final drive shaft one end and with the fixed ring gear fixed disk of axle center, be located the ring gear of ring gear fixed disk, be connected with the equipment framework through adjustable support and be used for responding to the ring gear and rotate the speed sensor of number of teeth, be used for driving rotatory power component of final drive shaft and controller, this controller respectively with power component, main shaft encoder and speed sensor looks electricity are connected. The utility model discloses a power component drives the final drive shaft rotatoryly, is located the main shaft encoder and the ring gear synchronous revolution at final drive shaft both ends, recycles speed sensor response ring gear rotation number of teeth and the check-up of main shaft encoder mutually, detects speed sensor's performance and durability, the quality control of the motorcycle host computer factory of being convenient for.

Description

Test device for rotating speed sensor

Technical Field

The utility model relates to a test device especially relates to a speed sensor test device.

Background

With the rapid development of the motorcycle industry in China, the electric system of the motorcycle tends to be more integrated, and higher requirements are also put forward on the working stability. With the development of electronic technology, electronic instruments are gradually becoming the mainstream of motorcycle speed display instead of mechanical instruments, and a rotation speed sensor is a standard configuration of electronic instruments and is generally assembled on a front wheel or a rear wheel to sense the rotation signal of the wheel and transmit the signal to the instrument. The control unit in the instrument can calculate the speed of a motor vehicle according to the signal of gathering in the certain time, simultaneously according to the wheel length, calculates the mileage, realizes two basic functions of instrument: vehicle speed display and mileage display. The revolution speed sensor is also the basic component of the anti-lock braking system (ABS), and the quality of the output signal of the revolution speed sensor directly influences the quality of the ABS function. However, no good test device can effectively detect the performance and durability of the speed sensor in the prior art, and the control requirement of a motorcycle main engine plant on the quality of the speed sensor is met.

Therefore, it is desired to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a speed sensor test device can solve and effectively detect speed sensor performance and durability, satisfies the control requirement of motorcycle host computer factory to the speed sensor quality, is of value to the product quality control of motorcycle host computer factory.

The technical scheme is as follows: for the purpose above the realization, the utility model discloses a speed sensor test device, including the equipment framework, be located the upper substrate on equipment framework upper strata, be located the infrabasal plate of equipment framework lower floor, be located final drive shaft on the upper substrate, be located final drive shaft one end and with the fixed main shaft encoder of axle center, be located final drive shaft one end and with the fixed ring gear fixed disk of axle center, be located the ring gear of ring gear fixed disk, be connected with the equipment framework through adjustable support and be used for responding to the speed sensor of ring gear number of rotation, a power component and controller for driving final drive shaft is rotatory, this controller respectively with power component, main shaft encoder and speed sensor electricity are connected mutually.

Wherein, power component is including being fixed in the driving motor of infrabasal plate, being located the first belt pulley of driving motor output shaft, being located the epaxial second belt pulley of final drive shaft and around locating the belt on first belt pulley and the second belt pulley, and driving motor starts, drives first belt pulley and rotates and drive second belt pulley and final drive shaft synchronous revolution through the belt.

Preferably, the controller is connected with the driving motor through a frequency converter.

Furthermore, the spindle encoder is fixed on the equipment framework through a support.

Further, the adjustable support includes L type lower carriage fixed mutually with the equipment framework and is used for placing speed sensor's L type upper bracket, offer the lower through-hole that is used for the jointing equipment framework on a straight board of this L type lower carriage, offer the lower rectangular notch that is used for connecting L type upper bracket on another straight board of L type lower carriage, offer the last through-hole that is used for rectangular notch under the adaptation on a straight board of L type upper bracket, offer the last rectangular notch that is used for inserting speed sensor on another straight board of L type upper bracket.

Preferably, the upper base plate is provided with a pair of bearing supporting seats which are arranged at intervals along the central line of the main transmission shaft, and the main transmission shaft is fixed on the bearing supporting seats in a sliding manner.

Furthermore, the controller is Mitsubishi FX3U series PLC.

Furthermore, the revolution speed sensor comprises a shell, a permanent magnet positioned at the rear part of the inner cavity of the shell, a coil positioned at the front part of the inner cavity of the shell and soft iron positioned in the shell and extending out of the shell through the coil.

Has the advantages that: compared with the prior art, the utility model has the advantages of it is following: firstly, the utility model adopts the power component to drive the main transmission shaft to rotate, the main shaft encoder and the gear ring positioned at the two ends of the main transmission shaft rotate synchronously, and the rotational number of the gear ring is sensed by the rotational speed sensor to be checked with the main shaft encoder, so as to detect the performance and the durability of the rotational speed sensor, thereby being convenient for the quality control of a motorcycle host factory; furthermore the utility model discloses set up driving motor and main axis of rotation on different planes, can avoid the vibration of driving motor itself to influence the motion of main axis of rotation to influence speed sensor's detection precision.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the installation of the middle gear ring of the present invention;

fig. 3 is a schematic structural diagram of a rotation speed sensor according to the present invention;

fig. 4 is a schematic structural view of an adjustable bracket of the present invention;

fig. 5 is a schematic circuit diagram of the present invention.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1, the utility model relates to a speed sensor test device, including equipment framework 1, top board 2, infrabasal plate 3, final drive shaft 4, main shaft encoder 5, ring gear fixed disk 6, ring gear 7, adjustable support 8, speed sensor 9, power component, converter 15, support 16, bearing supporting seat 17 and controller 10, this controller 10 is connected with power component, main shaft encoder 5 and speed sensor 9 looks electricity respectively, and controller 10 can choose for use to be three water chestnut FX3U series PLC.

The upper substrate 2 is located the equipment framework upper strata, and the infrabasal plate 3 is located the equipment framework lower floor, and upper substrate 2 and the interval setting about the infrabasal plate 3, a pair of bearing support seat 17 along final drive shaft central line interval arrangement on upper substrate 2, final drive shaft 4 sliding fixation is on bearing support seat 17. The main shaft encoder 5 is positioned at one end of the main transmission shaft 4 and is fixed coaxially, the main shaft encoder 5 is fixed on the equipment framework 1 through a support 16, and the support 16 is an L-shaped rod. As shown in fig. 2, the gear ring fixing disc 6 is located at one end of the main transmission shaft and is fixed coaxially, the gear ring 7 is mounted on the gear ring fixing disc 6, the rotation speed sensor 9 is connected with the equipment frame through the adjustable support 8, and the rotation speed sensor 9 is opposite to the gear ring 7 and used for sensing the number of rotation teeth of the gear ring. As shown in fig. 4, the adjustable bracket 8 includes an L-shaped lower bracket 801 fixed to the equipment frame and an L-shaped upper bracket 802 for placing the rotation speed sensor, a straight plate of the L-shaped lower bracket 801 is provided with a lower through hole 803 for connecting the equipment frame, another straight plate of the L-shaped lower bracket is provided with a lower strip notch 804 for connecting the L-shaped upper bracket, a straight plate of the L-shaped upper bracket 802 is provided with an upper through hole 805 for adapting to the lower strip notch, and another straight plate of the L-shaped upper bracket is provided with an upper strip notch 806 for inserting the rotation speed sensor; the rotating speed sensor is inserted into the upper strip notch 806, and the rotating speed sensor can move back and forth to adjust the position along the direction vertical to the upper strip notch 806 and also can move back and forth to adjust the position along the direction of the upper strip notch 806; when the lower strip notch 804 of the L-shaped lower support 801 and the upper through hole 805 of the L-shaped upper support 802 are fixedly connected through bolts, the connecting position can be freely adjusted to realize the position adjustment of the speed sensor, so that the speed sensor is suitable for gear rings of different sizes and models.

The power component is used for driving the main transmission shaft to rotate and comprises a driving motor 11, a first belt pulley 12, a second belt pulley 13 and a belt 14, the driving motor 11 is fixed on the lower substrate 3, the driving motor 11 and the main rotating shaft 4 are arranged on different planes, and therefore the situation that the vibration of the driving motor influences the movement of the main rotating shaft can be avoided, and the detection precision is influenced; first belt pulley 12 is located driving motor output shaft, and second belt pulley 13 is located final drive shaft, and the belt 14 is around locating first belt pulley and second belt pulley, and controller 10 is connected with driving motor 11 through converter 15. The driving motor 11 is started to drive the first belt pulley 12 to rotate and drive the second belt pulley 13 and the main transmission shaft 4 to synchronously rotate through the belt.

As shown in fig. 3, the tachometer sensor 9 comprises a housing 901, a permanent magnet 902 located at the rear of the housing interior, a coil 903 located at the front of the housing interior, and soft iron 904 located within the housing extending out of the housing through the coil.

As shown in fig. 1 and 5, according to the working principle of the speed sensor, the utility model selects and uses the mitsubishi FX3U series programmable controller PLC, and uses the spindle encoder as the test reference standard to detect the quality of the speed sensor; the main shaft encoder is used as a reference circuit, 360 pulses are sent out in each circle, and after the circumference of the tire is set, the PLC can calculate the vehicle speed V0; the speed sensor and the main shaft encoder are coaxially induced, the pulse sent by each circle depends on the number of teeth of the induction gear ring, and when the number of teeth of the induction gear ring is determined, the PLC can also calculate the speed V1 induced by the speed sensor; after the endurance test, comparing V1 with V0, and judging that the quick-break sensor is qualified when the change rate of V1 compared with V0 is one thousandth; if the change rate exceeds one thousandth, determining that the product is unqualified; the test method provides a means for effectively judging the quality of the rotating speed sensor for a motorcycle host factory, and is beneficial to the quality control of the motorcycle host factory.

Claims (8)

1. A rotational speed sensor test device which characterized in that: including equipment frame (1), be located upper substrate (2) on equipment frame upper strata, be located infrabasal plate (3) of equipment frame lower floor, be located final drive shaft (4) on the upper substrate, be located final drive shaft one end and with fixed main shaft encoder (5) of axle center, be located final drive shaft one end and with fixed ring gear fixed disk (6) of axle center, be located ring gear (7) of ring gear fixed disk, be connected with equipment frame and be used for responding to ring gear rotational tooth number's tacho transducer (9) through adjustable bracket (8), be used for driving rotatory power component of final drive shaft and controller (10), this controller (10) respectively with power component, main shaft encoder (5) and tacho transducer (9) looks electricity are connected.

2. A speed sensor testing apparatus according to claim 1, wherein: the power component comprises a driving motor (11) fixed on a lower base plate, a first belt pulley (12) located on an output shaft of the driving motor, a second belt pulley (13) located on a main transmission shaft and a belt (14) arranged on the first belt pulley and the second belt pulley, wherein the driving motor (11) is started to drive the first belt pulley (12) to rotate and drive the second belt pulley (13) and the main transmission shaft (4) to rotate synchronously through the belt.

3. A speed sensor testing apparatus according to claim 2, wherein: the controller (10) is connected with the driving motor (11) through a frequency converter (15).

4. A speed sensor testing apparatus according to claim 1, wherein: the spindle encoder (5) is fixed on the equipment framework (1) through a support (16).

5. A speed sensor testing apparatus according to claim 1, wherein: adjustable support (8) including with equipment framework fixed L type lower carriage (801) mutually and be used for placing tachometric sensor's L type upper bracket (802), offer lower through-hole (803) that are used for the jointing equipment framework on a straight board of this L type lower carriage (801), offer lower rectangular notch (804) that are used for connecting the L type upper bracket on another straight board of L type lower carriage, offer last through-hole (805) that are used for rectangular notch under the adaptation on a straight board of L type upper bracket (802), offer last rectangular notch (806) that are used for inserting tachometric sensor on another straight board of L type upper bracket.

6. A speed sensor testing apparatus according to claim 1, wherein: the upper base plate (2) is provided with a pair of bearing supporting seats (17) which are arranged at intervals along the central line of the main transmission shaft, and the main transmission shaft (4) is fixed on the bearing supporting seats (17) in a sliding manner.

7. A speed sensor testing apparatus according to claim 1, wherein: the controller (10) is Mitsubishi FX3U series PLC.

8. A speed sensor testing apparatus according to claim 1, wherein: the rotating speed sensor (9) comprises a shell (901), a permanent magnet (902) positioned at the rear part of the inner cavity of the shell, a coil (903) positioned at the front part of the inner cavity of the shell and a soft iron (904) positioned in the shell and extending out of the shell through the coil.

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