Integrated direct-current brush motor

Abstract

The utility model discloses an integrated DC brush motor, which comprises a shell, an integrated operation and monitoring mechanism and a support stabilizing mechanism, the integrated operation and monitoring mechanism comprises a permanent magnet, an armature iron core is arranged in the permanent magnet, a winding is wound in the armature iron core, one end of the winding is fixedly connected with a commutator, and the other end of the winding is fixedly connected with a motor. A motor shaft is fixedly connected in the commutator and the armature iron core, and the rear side of the shell is fixedly connected with a rear cover through a screw. Through the arrangement of the integrated operation monitoring mechanism, in the operation process of the motor, the plurality of rotating speed sensors in the mounting groove in the rear cover play an important role, the monitoring ends of the rotating speed sensors are aligned with the motor shaft, and the rotating speed of the motor shaft is monitored by sensing the rotating state of the motor shaft, such as monitoring the rotating frequency of a specific mark or structure on the motor shaft. The rotating speed information of the motor is converted into electric signals in real time, and the signals can be transmitted to an external control unit or display equipment, so that an operator can know whether the rotating speed of the motor meets the requirement or not in time.

Description

TECHNICAL FIELD

[0001] The utility model relates to direct current brush motor technical field, concretely is integrated direct current brush motor. BACKGROUND

[0002] Direct current brush motor is a kind of motor that converts direct current into mechanical energy, it is mainly composed of stator (stationary part) and rotor (rotating part), its key features are to have carbon brush and commutator these two components, this is also the important sign that it distinguishes from brushless motor, when direct current power supply supplies power to armature winding through carbon brush, current enters armature winding, under the action of stator magnetic field, armature winding will be subjected to ampere force, according to left-hand rule, this force will make armature winding produce a torque, thereby promoting the rotation of rotor, along with the rotation of rotor, commutator also rotates, when a conductor in armature winding turns from one magnetic pole to another magnetic pole, commutator will automatically change the current direction in the conductor, so that the conductor is subjected to the same electromagnetic force as the original direction under the new magnetic pole, so that it guarantees the continuous rotation of rotor, thereby converting direct current into mechanical energy.

[0003] Motor is undoubtedly the extremely critical power provider, it drives the steady and sustained operation of various mechanical components, traditional direct current brush motor often adopts relatively basic construction form, however, this traditional structure has obvious limitation, it lacks the function module that can monitor the running status of motor in real time, in actual production environment, operating personnel is difficult to intuitively know whether the speed of motor meets the standard, temperature is too high, cannot promptly detect potential fault hidden danger, in life scene, when electric tool is used for a long time, user also cannot clearly know whether the working status in motor is normal, once motor appears abnormal and is not promptly found, not only can cause production interruption, product quality is damaged, in life application also can cause tool damage or inconvenient to use etc. Problem, greatly influence the practicability and reliability of direct current brush motor in actual production and life scene, therefore, in order to solve the above problems, integrated direct current brush motor is proposed, effectively makes up for the deficiency of traditional motor, and brings more efficient, safer and more convenient power solution for production and life. CONTENT OF UTILITY MODEL

[0004] The utility model mainly solves the technical problems in the prior art, and provides an integrated direct current brush motor.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: Integrated DC brush motor, including shell, integrated operation and monitoring mechanism and support stability mechanism, the integrated operation and monitoring mechanism includes permanent magnet, the inside of permanent magnet is provided with armature core, the inside of armature core is wound with winding, one end of winding is fixedly connected with commutator, the inside of commutator and armature core is fixedly connected with motor shaft, the rear side of shell is fixedly connected with rear cover through screw, the inside of rear cover is fixedly connected with soldering piece, one end of soldering piece is fixedly installed with carbon brush, the inside of carbon brush is fixedly connected with carbon brush spring, the inside of rear cover is provided with installation groove, the inside of installation groove is fixedly installed with speed sensor, speed sensor is provided with a plurality of, and the monitoring end of speed sensor is towards motor shaft, can monitor the rotating speed of motor shaft.

[0006] Preferably, the carbon brush is provided with two, which is arranged on both sides of the commutator, one end of the soldering piece is arranged outside the rear cover, the winding and the commutator are closely connected, and the purpose is to realize the commutation of current in the winding, so that the motor can continuously rotate.

[0007] Preferably, the permanent magnet is fixedly connected to the inner side of the shell, the commutator is arranged at the rear end position in the shell, the permanent magnet generates a magnetic field, provides a magnetic circuit for the motor, and is the basis for the motor to generate power.

[0008] Preferably, the support stability mechanism comprises a clamping groove, a clamping ring is arranged in the clamping groove, one end of the clamping ring is fixedly connected with a front cover plate, a limiting groove is formed in the inside of the front cover plate, a stabilizing ring is arranged in the limiting groove, and a jackscrew is arranged in the clamping ring, the front cover plate is arranged at the front end of the shell, and the front end of the shell can be closed.

[0009] Preferably, the clamping groove is arranged in the inside of the shell, the clamping ring is slidably connected with the clamping groove, the stabilizing ring is slidably connected with the limiting groove, and the jackscrew is threadedly connected with the clamping ring, when the screwing end of the jackscrew abuts against the surface of the shell, the clamping ring can be fixed in the clamping groove.

[0010] Preferably, the surface of the shell is fixedly connected with a rubber pad, anti-skid grooves are formed in the surface of the rubber pad, the anti-skid grooves are arranged in plurality, and the rubber pad is provided with two.

[0011] Preferably, the surface of the shell is provided with a plurality of air grooves, and the air grooves are arranged in plurality, so that the heat generated during the operation of the motor can be dissipated.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1. The utility model discloses a setting of integrated operation monitoring mechanism, in the motor operation process, a plurality of rotating speed sensors in the installation groove in the back cover play an important role, its monitoring end is aligned with the motor shaft, through the rotation state of inductive motor shaft, for example, the rotating frequency of the specific mark or structure on the motor shaft is monitored, and the rotating speed information of the motor is converted into electric signal in real time, and these signals can be transmitted to the control unit or display device outside, so that the operator can know whether the motor rotating speed meets the requirement in time. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.In the drawings,

[0015] Figure 1 It is the structure schematic diagram of the whole structure of the utility model front view;

[0016] Figure 2 It is the structure schematic diagram of the whole structure of the utility model side view;

[0017] Figure 3 It is the structure schematic diagram of the utility model front view section;

[0018] Figure 4 It is the structure schematic diagram of the first kind of upper view section of the utility model;

[0019] Figure 5 It is the structure schematic diagram of the second kind of upper view section of the utility model.

[0020] In the drawing: 1, shell;2, permanent magnet;3, armature core;4, winding;5, commutator;6, motor shaft;7, back cover;8, welding piece;9, carbon brush;10, carbon brush spring;11, installation groove;12, rotating speed sensor;13, clamping groove;14, snap ring;15, front cover plate;16, limit slot;17, stabilizing ring;18, jackscrew;19, rubber pad;20, antiskid groove;21, air passage. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments.Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0022] Please refer to Figures 1-5The utility model provides an integrated direct current brush motor, including shell 1, integrated operation and monitoring mechanism and support stabilizing mechanism, integrated operation and monitoring mechanism includes permanent magnet 2, the inside of permanent magnet 2 is provided with armature core 3, the inside of armature core 3 is wound with winding 4, one end of winding 4 is fixedly connected with commutator 5, the inside of commutator 5 and armature core 3 is fixedly connected with motor shaft 6, the rear side of shell 1 is fixedly connected with rear cover 7 through screw, the inside of rear cover 7 is fixedly connected with soldering piece 8, one end of soldering piece 8 is fixedly installed with carbon brush 9, the inside of carbon brush 9 is fixedly connected with carbon brush spring 10, the inside of rear cover 7 is provided with installation groove 11, and the inside of installation groove 11 is fixedly installed with speed sensor 12, carbon brush 9 is provided with two, sets up at the both sides of commutator 5, one end of soldering piece 8 sets up at the outside of rear cover 7, permanent magnet 2 is fixedly connected at the inside of shell 1, commutator 5 sets up at the rear end position in shell 1, first, permanent magnet 2 is fixed at the inside of shell 1, and the magnetic field that it generates fills the motor inside space, when the current is conducted to carbon brush 9 through soldering piece 8 on rear cover 7, because of the action of carbon brush spring 10, carbon brush 9 is in close contact with commutator 5, at this moment, the current flows from carbon brush 9 into commutator 5 and enters the winding 4 in close connection with it, and the winding 4 is wound on the armature core 3, according to the law of electromagnetic induction, under the interaction of permanent magnet 2 magnetic field and winding 4 current, armature core 3 is subjected to ampere force, thereby starts to rotate, drives the motor shaft 6 fixedly connected with commutator 5 and armature core 3 rotation, and the motor shaft 6 can export power and drive external mechanical components to work, in the motor operation process, several speed sensors 12 in the installation groove 11 in the rear cover 7 play an important role, and the speed sensor 12 adopts MP-9100 electromagnetic speed sensor, adopts non-contact measurement mode, is often used in the equipment that needs high-precision speed measurement, and its monitoring end is aligned with the motor shaft 6, by inductive motor shaft 6 rotation state, for example, the rotation frequency of the specific mark or structure on the motor shaft 6 is monitored, and the motor speed information is converted into electrical signal in real time, these signals can be transmitted to the external control unit or display device, so that the operator can know whether the motor speed meets the requirements in time, so as to take corresponding measures when the speed is abnormal, such as adjusting input voltage, checking load condition, effectively avoiding production failure or product quality problem caused by speed problem.

[0023] In one aspect of the embodiment, the front cover plate 15 in the support and stabilizing mechanism is installed at the front end of the housing 1 through the cooperation of the clamping groove 13 and the clamping ring 14. By tightening the top screw 18, the end of the top screw 18 is tightly pressed against the surface of the housing 1, thereby firmly fixing the clamping ring 14 in the clamping groove 13, achieving stable reinforcement of the front cover plate 15. The stabilizing ring 17 in the internal limiting groove 16 of the front cover plate 15 cooperates with the motor shaft 6. The stabilizing ring 17 slides in the limiting groove 16, supporting and limiting the motor shaft 6, further enhancing the stability of the overall structure of the motor, ensuring stable operation of the motor under different working conditions, such as high-speed rotation, bearing axial or radial force, reducing the relative displacement and wear between components, and improving the reliability and durability of the motor.

[0024] In one aspect of the embodiment, the rubber pad 19 on the surface of the housing 1 plays multiple roles. On the one hand, the rubber pad 19 has a buffering and damping function, which can reduce noise and mechanical wear caused by vibration or external impact during operation of the motor, prolonging the service life of the motor. On the other hand, the anti-skid groove 20 on the surface of the rubber pad 19 can increase the friction between the motor and the installation surface, ensuring the stability of the motor in the installation position, preventing the motor from sliding accidentally and affecting normal work. The through ventilation groove 21 on the surface of the housing 1 helps to dissipate heat from the motor. When the motor is running, the windings 4 and other components will generate heat due to the passage of current. The ventilation groove 21 provides a channel for heat dissipation, allowing hot air to be discharged outside the motor in a timely manner, and cold air to enter, thereby maintaining the internal temperature of the motor within a reasonable range, ensuring stable performance of the motor, avoiding problems such as insulation aging and component damage caused by overheating, and ensuring reliable operation of the motor for a long time.

[0025] The utility model discloses a working principle: the integrated direct current brush motor is when using, when the current passes through the welding piece 8 on the back cover 7 and conduction reaches carbon brush 9, because of the effect of carbon brush spring 10, carbon brush 9 is closely contacted with commutator 5, current flows into commutator 5 from carbon brush 9 and enters the winding 4 closely connected with it at this moment, winding 4 is wound on armature core 3, according to electromagnetic induction law, under the interaction of permanent magnet 2 magnetic field and winding 4 current, armature core 3 is subjected to ampere force, thereby starts to rotate, drives motor shaft 6 fixedly connected with commutator 5 and armature core 3 rotation, and motor shaft 6 can export power, drive external mechanical components work, and the detection end of a plurality of rotating speed sensors 12 is aligned with motor shaft 6, and rotating speed sensor 12 adopts MP-9100 electromagnetic rotating speed sensor, adopts non-contact measurement mode, is often used in the equipment that needs high precision rotating speed measurement, and sensor 12 passes through the rotation state of inductive motor shaft 6, detects the rotating frequency of specific mark or structure on motor shaft 6 or the mode, and the rotating speed information of motor is converted into electric signal in real time, these signals can be transmitted to the control unit or display equipment of outside, so that operating personnel can know whether the motor rotating speed meets the requirement in time, all the electric equipment in the scheme is powered by external power supply.

[0026] Finally, it should be noted that: the above only for the preferred embodiment of the utility model has described, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part technical feature. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. Integrated DC brush motor, comprising a housing (1), an integrated operating and monitoring mechanism and a support stabilizing mechanism, characterized in that: The integrated operation and monitoring mechanism includes a permanent magnet (2), the inside of the permanent magnet (2) is provided with an armature core (3), the inside of the armature core (3) is wound with a winding (4), one end of the winding (4) is fixedly connected with a commutator (5), the inside of the commutator (5) and the armature core (3) is fixedly connected with a motor shaft (6), the rear side of the shell (1) is fixedly connected with a rear cover (7) through screws, the inside of the rear cover (7) is fixedly connected with a soldering pad (8), one end of the soldering pad (8) is fixedly installed with a carbon brush (9), the inside of the carbon brush (9) is fixedly connected with a carbon brush spring (10), the inside of the rear cover (7) is provided with a mounting groove (11), and the inside of the mounting groove (11) is fixedly installed with a rotating speed sensor (12).

2. The integrated DC brushed motor of claim 1, wherein: The carbon brush (9) is provided with two, which are arranged on the two sides of the commutator (5), and one end of the soldering pad (8) is arranged outside the rear cover (7).

3. The integrated DC brushed motor of claim 1, wherein: The permanent magnet (2) is fixedly connected to the inside of the shell (1), and the commutator (5) is arranged at the rear end position in the shell (1).

4. The integrated DC brushed motor of claim 1, wherein: The supporting and stabilizing mechanism includes a clamping groove (13), the inside of the clamping groove (13) is provided with a clamping ring (14), one end of the clamping ring (14) is fixedly connected with a front cover plate (15), the inside of the front cover plate (15) is provided with a limiting groove (16), the inside of the limiting groove (16) is provided with a stabilizing ring (17), and the inside of the clamping ring (14) is provided with a jackscrew (18).

5. The integrated DC brushed motor of claim 4, wherein: The clamping groove (13) is arranged in the inside of the shell (1), the clamping ring (14) is in sliding connection with the clamping groove (13), the stabilizing ring (17) is in sliding connection with the limiting groove (16), and the jackscrew (18) is in threaded connection with the clamping ring (14).

6. The integrated DC brushed motor of claim 1, wherein: The surface of the shell (1) is fixedly connected with a rubber pad (19), and the surface of the rubber pad (19) is provided with an anti-skid groove (20).

7. The integrated DC brushed motor of claim 1, wherein: The surface of the shell (1) is provided with a ventilation groove (21) penetrating through, and the ventilation groove (21) is provided with a plurality of ventilation grooves.

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