CN212723230U

CN212723230U - Motor detector

Info

Publication number: CN212723230U
Application number: CN202021121384.XU
Authority: CN
Inventors: 董登雄; 伍水新; 陈斌
Original assignee: Nichibo Motor Shenzhen Co ltd
Current assignee: Nichibo Motor Shenzhen Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-03-16
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a motor detector, motor detector is connected with the motor electricity, include: the device comprises a current acquisition board electrically connected with a motor, an acquisition card electrically connected with the current acquisition board, a display screen electrically connected with the acquisition card, a first power supply connected with the motor and used for supplying power to the motor, and a second power supply used for supplying power to an internal circuit of the motor detector. The utility model provides a motor detector is through being connected the current signal who acquires the motor during operation with the motor, through the working circuit parameter of current acquisition board and collection card collection motor, and use and pass through the display screen shows, and operating personnel passes through the audio-visual working data who acquires the motor of display screen, and required test instrument quantity when having simplified the test motor has reduced operating personnel's technical requirement, has improved the degree of accuracy of acquireing motor working data.

Description

Motor detector

Technical Field

The utility model relates to a motor detection technology field especially relates to a motor detector.

Background

The traditional motor performance test usually adopts: the device comprises an oscilloscope, a motor power supply, a function signal generator, a tachometer and the like, and is used for assisting in operating instruments and display equipment, testing the current and voltage of the motor in a no-load/load state and further acquiring the working performance of the motor. Because the number of the instruments needing to be operated simultaneously is large, and the operation process and the connection structure are complex, the operation requirement on operators is high, and the detection efficiency is low. Meanwhile, the judgment needs to be carried out manually during the judgment, so that the measurement result error is easy to occur.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that operating instrument is in large quantity, the operation process is complicated, artifical judgement is easy to go out the mistake among the prior art, the utility model provides a motor detector for combining multinomial test instrument and showing measurement structure on the display screen.

The utility model discloses a following technical scheme realizes:

a motor detector, motor detector is connected with the motor electricity, motor detector includes: the device comprises a current acquisition board electrically connected with a motor, an acquisition card electrically connected with the current acquisition board, a display screen electrically connected with the acquisition card, a first power supply connected with the motor and used for supplying power to the motor, and a second power supply used for supplying power to an internal circuit of the motor detector.

Further, the type of the current collection plate is as follows: PZEMO14 or PZEMO 16.

Further, the type of the acquisition card is as follows: HMC 8033A.

Further, the motor detector further includes: a first switch electrically connected to the first power source and the second power source;

the first switch conducts the first power supply and the motor; the first switch conducts the second power supply and an internal circuit of the motor detector.

Further, the motor detector further includes: the external power supply is electrically connected with the motor detector through the external power interface, and the second switch is used for switching on the external power supply and an internal circuit of the motor detector.

Further, the motor detector further includes: the storage device is used for storing the collected current data.

Further, the motor detector further includes: the test bracket is used for fixing and driving the motor, and the communication wire is used for electrically connecting the motor and the current acquisition board;

the test rack includes a third switch electrically connected to the motor.

Further, the test rack includes: the probe is electrically connected with the communication line, and the mobile platform moves along the screw rod to enable the probe to be electrically connected with the motor.

The beneficial effects of the utility model reside in that:

the utility model provides a motor detector acquires the operating voltage of motor through being connected the current signal of motor during operation with the motor, acquires the operating voltage of motor through the current acquisition board, and the rethread collection card is handled the voltage signal who gathers, exports to the display screen shows, and operating personnel passes through the audio-visual working data who acquires the motor of display screen, required test instrument quantity when having simplified test motor, has reduced operating personnel's technical requirement, has improved the degree of accuracy of acquireing motor working data.

Drawings

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

FIG. 2 is a schematic view of the exploded structure of the present invention;

fig. 3 is a schematic diagram of an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 and 2, the present invention discloses a motor detector 100 for testing the working performance of a motor, wherein the working performance of the motor includes: phase sequence and rotational speed, motor detector 100 is connected with the motor electricity, motor detector 100 includes: the motor detection device comprises a current acquisition board 1 electrically connected with a motor, an acquisition card 2 electrically connected with the current acquisition board 1, a display screen 3 electrically connected with the acquisition card 2, a first power supply 4 connected with the motor and used for supplying power to the motor, and a second power supply 5 used for supplying power to an internal circuit of the motor detection instrument 100.

The utility model discloses a motor detector 100 acquires the operating voltage of motor through current acquisition board 1, and rethread collection card 2 is handled the voltage signal who gathers, exports extremely display screen 3 shows, and operating personnel can audio-visually acquire the working data of motor through display screen 3, has simplified the quantity of the instrument that needs the use when detecting the motor. The technical requirements of operators are reduced, and meanwhile, the accuracy of obtaining the working data of the motor is improved.

The first power source 4 arranged on the motor detector 100 supplies power to the motor, and the motor can supply power to the motor when being connected with the motor detector 100, so that the motor works to test circuit parameters, and a working power source is not required to be additionally provided for the motor.

Specifically, the type of the current collection plate 1 is as follows: PZEMO14 or PZEMO 16. The type of the acquisition card 2 is as follows: HMC 8033A. The current collecting plate 1 is a power data collecting and monitoring module, the motor is connected to the current collecting plate 1 and is electrified to work, and the current collecting plate 1 obtains current and voltage when the motor works. The acquisition card 2 connected with the current acquisition board 1 is a data acquisition card 2, and analog or digital signals output to the acquisition card 2 by the current acquisition board 1 are analyzed and processed to realize a data acquisition function. In the prior art, how the current collecting board 1 collects circuit data and how the collecting card 2 converts the circuit data into signals can be known by those in the art through the prior art, and details are not described in this application.

The motor detector 100 further includes: a first switch 6 electrically connected to the first power source 4 and the second power source 5; the first switch 6 conducts the first power supply 4 and the motor; the first switch 6 connects the second power source 5 and the internal circuit of the motor detector 100.

The motor detector 100 further includes: the external power interface 8 is electrically connected with the second switch 7 of the external power interface 8, an external power supply is electrically connected with the motor detector 100 through the external power interface 8, and the second switch 7 is connected with the external power supply and an internal circuit of the motor detector 100.

The utility model discloses a motor detector 100 has two kinds of working methods: one of the two power supplies is a self-contained power supply, namely the second power supply 5 supplies power to an internal circuit of the motor detector 100, so that the portability of the motor detector 100 is improved, when a user lacks an external power supply, the motor is directly driven by the first power supply 4, and the motor detector 100 is driven by the second power supply 5 to obtain the working performance of the motor; the second is an external power supply mode, when the electric quantity stored in the first power supply 4 and the second power supply 5 is exhausted, the motor detector 100 can work in the external power supply mode, and the external power supply can also charge the first power supply 4 or the second power supply 5.

The motor detector 100 further includes: the storage device (not shown) for storing the collected current data.

In this embodiment, the storage device of the motor detector 100 is used to store the acquired circuit data, so that a user can conveniently query the test data of the current period. The storage device may be a secure digital card, i.e., an SD card, which is a data storage device based on a semiconductor flash memory. In other embodiments of the present invention, the storage device may also be a USB flash drive installed on the motor detector 100.

Referring to fig. 3, the motor detector 100 further includes: a test stand 200 for fixing and driving the motor, and a communication line 24 electrically connecting the motor and the current collecting plate 1; the test stand 200 includes a third switch 21 electrically connected to the motor.

In this embodiment, the motor detector 100 further includes a test bracket 200 for fixing the motor, and the motor is fixed on the test bracket 200, so as to avoid the problem that the motor works unstably due to the vibration of the motor during the operation of the motor, and further to avoid affecting the problem that the measurement result is inaccurate. The motor is connected to the motor monitor 100 via a communication line 24. The third switch 21 of the test stand 200 is used to switch the motor on and off. In an embodiment of the present invention, when the third switch 21 and the first switch 6 are turned on simultaneously, the motor is powered on, and if at least one of the third switch 21 and the first switch 6 is turned off, the motor is in the open state.

In other realizable embodiments of the present invention, the testing support 200 is further provided with a button electrically connected to the motor for emergency braking the motor, so as to avoid the problem that the motor is damaged due to the motor working when the motor is in error in the installation position.

The test rack 200 includes: a screw 22, a moving table 23 attached to the screw 22, and a probe 25 attached to the moving table 23, wherein the probe 25 is electrically connected to the communication line 24, and the moving table 23 moves along the screw 22 to electrically connect the probe 25 to the motor.

In this embodiment, the screw 22 is perpendicular to the moving table 23, the moving table 23 is arranged in a horizontal direction, and the probe 25 is arranged on the moving table 23 to ensure that the probe 25 can stably move along the screw 22 to contact the motor and form an electrical connection.

The utility model provides a motor detector 100 is through being connected the current signal who acquires the motor during operation with the motor, acquires the operating voltage of motor through current acquisition board 1, and rethread collection card 2 is handled the voltage signal who gathers, exports to display screen 3 shows, and operating personnel passes through the audio-visual work data who acquires the motor of display screen 3, required test instrument quantity when having simplified the test motor has reduced operating personnel's technical requirement, has improved the degree of accuracy of judging motor work data.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a motor detector, motor detector is connected with the motor electricity, its characterized in that, motor detector includes: the device comprises a current acquisition board electrically connected with a motor, an acquisition card electrically connected with the current acquisition board, a display screen electrically connected with the acquisition card, a first power supply connected with the motor and used for supplying power to the motor, and a second power supply used for supplying power to an internal circuit of the motor detector.

2. The machine testing instrument of claim 1, wherein the current collection plate is of a type: PZEM014 or PZEM 016.

3. The electrical machine detector according to claim 1, wherein the acquisition card is of the type: HMC 8033A.

4. The motor monitor of claim 1, further comprising: a first switch electrically connected to the first power source and the second power source;

5. The motor monitor of claim 1, further comprising: the external power supply is electrically connected with the motor detector through the external power interface, and the second switch is used for switching on the external power supply and an internal circuit of the motor detector.

6. The motor monitor of claim 1, further comprising: and the storage device is used for storing the collected current data.

7. The motor monitor of claim 1, further comprising: the test bracket is used for fixing and driving the motor, and the communication wire is used for electrically connecting the motor and the current acquisition board;

the test rack includes a third switch electrically connected to the motor.

8. The machine testing gauge of claim 7, wherein the test carriage includes: the probe is electrically connected with the communication line, and the mobile platform moves along the screw rod to enable the probe to be electrically connected with the motor.