CN209488476U

CN209488476U - Brushless motor Hall sensor detecting system

Info

Publication number: CN209488476U
Application number: CN201920540723.9U
Authority: CN
Inventors: 张文兵; 张辉; 马乾; 张喜
Original assignee: Chongqing Sichuan Instruments Suda Mechanical and Electrical Co Ltd
Current assignee: Chongqing Sichuan Instruments Suda Mechanical and Electrical Co Ltd
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2019-10-11
Anticipated expiration: 2029-04-19

Abstract

The utility model discloses a kind of brushless motor Hall sensor detecting systems, including general supply, the output end of general supply and the input terminal of controller connect, controller output end is connect with standard brushless motors, the stator winding of multiple brushless motors to be measured is parallel on the stator winding of standard brushless motors, the Hall element of multiple brushless motors to be measured is parallel on the Hall element of standard brushless motors, the hall signal output end of multiple brushless motors to be measured is connect with a hall signal acquisition unit；With Hall sensor quality in the utility model detection brushless motor, testing cost is low, detection efficiency is high, detection process is convenient and detection accuracy is high.

Description

Brushless motor Hall sensor detecting system

Technical field

The utility model relates to technical field of motors, more particularly to a kind of brushless motor Hall sensor detecting system.

Background technique

Brushless motor is widely used in because having the advantages that structure is simple, small in size, light-weight and failure rate is low etc. Automation control area, but the abrasion of motor longtime running will cause the failure of position sensor Hall element or damage, therefore need Hall element in brushless motor is detected, the ageing state of motor is judged with this.Existing detection method is exactly one Platform brushless motor corresponds to a control unit, and the motor of multiple agings is detected according to this method, and there are testing cost height, inspections The survey time is long, the low problem of detection efficiency.

Therefore those skilled in the art are dedicated to developing that a kind of testing cost is low, detection efficiency is high and easy to detect brushless Motor Hall sensor detection system.

Utility model content

In view of the above drawbacks of the prior art, the technical problem to be solved by the utility model is to provide it is a kind of detection at The brushless motor Hall sensor detecting system that this is low, detection efficiency is high and easy to detect.

To achieve the above object, the utility model provides a kind of brushless motor Hall sensor detecting system, including total The input terminal of power supply, the output end of general supply and controller connects, and controller output end is connect with standard brushless motors, standard without It is parallel with the stator winding of multiple brushless motors to be measured on the stator winding of brush motor, on the Hall element of standard brushless motors simultaneously It is associated with the Hall element of multiple brushless motors to be measured, the hall signal output end of multiple brushless motors to be measured and a hall signal Acquisition unit connection.

Preferably, controller be equipped with eight ports, be respectively three stator winding supply ports, Hall element power supply just Extreme mouth, Hall element power cathode port and three hall signal input ports, the stator winding of standard brushless motors and to Survey brushless motor stator winding parallel connection be followed by three stator winding supply ports, the Hall element of standard brushless motors and to The Hall element parallel connection for surveying brushless motor is followed by Hall element positive pole port and Hall element power cathode port, standard Three hall signal output ends of brushless motor are connect with three hall signal input ports.

Preferably, the output end of hall signal acquisition unit is connect with display.

The utility model by the adjustment of standard brushless motors and change stator from controller to brushless motor to be measured around The power supply volume of group output, and the Hall element of standard brushless motors is in parallel with the Hall element of brushless motor to be measured, it is ensured that The turn on angle for surveying Hall element in brushless motor is identical as the turn on angle of Hall element in standard brushless motors, so as to be measured brushless Hall element is identical as Hall element received signal in standard brushless motors in motor, and then realizes detection effect and detection knot The accuracy of fruit is high, while the hall signal by observing, comparing brushless motor output to be measured just can determine brushless motor to be measured The superiority and inferiority of Hall element, entire detection process are easy to operate, at low cost high-efficient.

Detailed description of the invention

Fig. 1 is the structural block diagram of the utility model embodiment 1；

Fig. 2 is the circuit connection structural schematic diagram of the utility model embodiment 1；

Fig. 3 is that 2 structure of the utility model embodiment shows block diagram；

In figure: 1- general supply；2- controller；3- standard brushless motors；4- brushless motor to be measured；The acquisition of 5- hall signal is single Member；6- display.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawings and examples, it should be noted that, in the utility model Description in, the orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right", "inner", "outside" is based on attached drawing institute The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified Device or element must have a particular orientation, construct and operate in a particular manner, therefore should not be understood as to this is practical Novel limitation.Term " first ", " second ", " third " etc. are used for description purposes only, and are not understood to indicate or imply phase To importance.

Embodiment 1

As shown in Figure 1 to Figure 2, a kind of brushless motor Hall sensor detecting system, including general supply 1, general supply 1 it is defeated Outlet is connect with the input terminal of controller 2, and 2 output end of controller is connected with standard brushless motors 3, and standard brushless motors 3 are determined Sub- winding is in parallel with the stator winding of multiple brushless motors 4 to be measured, the Hall element of standard brushless motors 3 with it is multiple to be measured brushless The Hall element of motor 4 is in parallel, the hall signal output end and a hall signal acquisition unit 5 of multiple brushless motors 4 to be measured Connection.

Controller 2 is equipped with eight ports, is three stator winding supply ports, Hall element power positive end respectively Mouthful, Hall element power cathode port and three hall signal input ports, the stator winding of standard brushless motors 3 and nothing to be measured The stator winding parallel connection of brush motor 4 is followed by three stator winding supply ports, to ensure controller 2 by motor phase line to mark Quasi- 3 stator winding coil of brushless motor is identical with the power supply volume of 4 stator winding coil of brushless motor to be measured；Standard brushless motors 3 Hall element and brushless motor to be measured 4 Hall element parallel connection be followed by Hall element positive pole port and Hall element electricity Source cathode port ensures that standard brushless motors are identical with the voltage at Hall sensor both ends on brushless motor to be measured with this；Mark Three hall signal output ends of quasi- brushless motor 3 are connect with three hall signal input ports, are used for standard brushless motors The hall signal that interior Hall sensor detects feeds back to controller, in order to controller according to hall signal change to standard without The input electricity of brush motor or brushless motor to be measured, i.e. controller 2 can be exported by motor phase line to brushless motor to be measured multiple Power supply volume indirectly realizes the detection of variable multiple groups, is conducive to the precision for improving detection.

The working principle of brushless motor Hall sensor is exactly when having magnetic field vertically with Hall element current direction to Hall When element acts on, Hall element both ends can generate potential difference, and then magnetic field conditions are transferred to controller in a manner of potential difference. After controller receives hall signal, powered by motor phase line to coil winding of motor stator, then motor starts to rotate, motor Interior magnet steel relatively rotates with coil, generates new magnetic field, Hall sensor receives signal again, and transmits a signal to Controller, repeatedly.The utility model innovation has used a standard brushless motors and a controller to be measured brushless The stator winding electricity of motor and the electricity of Hall sensor are controlled, and then accurately control Hall sensor acquisition Signal, then the signal output end of the Hall sensor of no brush resistance to be measured is connect with hall signal acquisition unit 5 again, i.e., The superiority and inferiority of the Hall sensor of brushless motor to be measured can be quickly detected.

In use, brushless motor to be measured need to be only connected in parallel on standard brushless motors in the way of the utility model, so It is powered afterwards, use process is easy.

Embodiment 2

As shown in figure 3, embodiment 2 in addition to all technical features comprising embodiment 1, hall signal is adopted in embodiment 2 Collection 5 output end of unit is connected with display 6, for showing the hall signal of brushless motor to be measured, due to multiple no brush resistances Hall signal is shown on display 6, can intuitively determine very much the quality of the Hall sensor of motor.

Claims

1. a kind of brushless motor Hall sensor detecting system, including general supply (1), it is characterized in that: the general supply (1) is defeated Outlet is connect with the input terminal of controller (2)；Controller (2) output end is connect with standard brushless motors (3)；The standard The stator winding of multiple brushless motors to be measured (4) is parallel on the stator winding of brushless motor (3)；The standard brushless motors (3) Hall element of multiple brushless motors to be measured (4) is parallel on Hall element；Multiple brushless motors (4) to be measured Hall signal output end is connect with a hall signal acquisition unit (5).

2. brushless motor Hall sensor detecting system as described in claim 1, it is characterized in that: being set on the controller (2) There are eight ports, is three stator winding supply ports, Hall element positive pole port, Hall element power cathode end respectively Mouth and three hall signal input ports；The stator winding of the standard brushless motors (3) and the brushless motor to be measured (4) Stator winding parallel connection is followed by three stator winding supply ports；The Hall element of the standard brushless motors (3) and institute The Hall element parallel connection for stating brushless motor to be measured (4) is followed by bearing in Hall element positive pole port and Hall element power supply Extreme mouth；Three hall signal output ends of the standard brushless motors (3) are connect with three hall signal input ports.

3. brushless motor Hall sensor detecting system as claimed in claim 1 or 2, it is characterized in that: the hall signal is adopted The output end of collection unit (5) is connect with display (6).