Novel motor assembly end cover

Abstract

The utility model discloses a novel motor assembly end cover in the field of motors, which comprises an end cover body, a rotating support hole is arranged above the end cover body, a rotating speed sensor is arranged inside the rotating support hole, a circuit board connected with the end cover body through a screw is arranged above the rotating speed sensor, and the circuit board is connected with the end cover body through a screw. A via hole is formed in the middle of the circuit board, inductors are connected to the positions, located on the two sides of the via hole, above the circuit board through tin soldering, and grounding terminals are arranged on one sides of the inductors. According to the utility model, the rotating speed of the main shaft of the motor can be detected in real time through the rotating speed sensor, the two inductors and the pressure-sensitive sensor are protected through the PTC current protection element, the two inductors, the two grounding terminals, the pressure-sensitive resistor and the three capacitors jointly form a relatively strong EMC countermeasure, and the Hall element can feed back rotating speed signals of the motor, so that the rotating speed of the main shaft of the motor can be detected in real time. Therefore, the rotating speed of the motor can be accurately controlled, and the end cover has more diversified functions and is extremely practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor field, concretely is a novel motor subassembly end cover. BACKGROUND

[0002] The motor end cover is one of the key components of the motor, which is provided with a stop opening matched with the motor shell during installation. The side end face of the motor end cover inside the motor is an inside end face. The existing motor end cover has a single function during use, which is only to play a protection role and does not have the function of detecting the motor speed and feeding back. Therefore, the technical personnel in the field provide a novel motor subassembly end cover to solve the problems in the above background technology. SUMMARY

[0003] The utility model aims at providing a novel motor subassembly end cover to solve the problems in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A novel motor subassembly end cover, comprising an end cover body, a rotating support hole is formed above the end cover body, a rotating speed sensor is installed inside the rotating support hole, a circuit board connected with the end cover body through screws is arranged above the rotating speed sensor, the circuit board has a via hole in the middle, inductors are connected through soldering on both sides of the via hole above the circuit board, a grounding terminal is arranged on one side of the inductor, a pressure sensitive sensor is connected through soldering on the other side of the via hole on the circuit board, a PTC current protection element is connected through soldering on the side of the circuit board corresponding to the pressure sensitive sensor, a Hall element is connected through soldering on the side of the circuit board corresponding to the via hole, and capacitors are connected through soldering on the side adjacent to the Hall element on the side opposite to the Hall element on the circuit board.

[0006] As a further scheme of the utility model, a movable cover body is connected through screws on one side of the end cover body outside the circuit board, elastic support grooves are formed on the symmetrical positions above the movable cover body, elastic support pieces are clamped and pressed inside the elastic support grooves, elastic plates are fixedly connected on the elastic support pieces, and a jumping sensor is connected through screws on one end of the elastic plate.

[0007] As a further scheme of the utility model, a plug-in wire slot is formed on one side of the bottom end of the end cover body, and a plug pin electrically connected with the circuit board is fixedly connected inside the plug-in wire slot.

[0008] As a further scheme of the utility model, a plurality of elastic buckles connected with the main body shell of the motor are integrally formed on the periphery of the end cover body.

[0009] Compared with the prior art, the utility model has the advantages of

[0010] The utility model discloses can pass through the rotational speed sensor real -time's detection motor main shaft's rotational speed, pass through PTC current protection element for two inductance, a pressure sensor provides protection, pass through two inductance, two ground terminals, a pressure resistance, three capacitors common constitute stronger EMC countermeasures, hall element can feedback motor's rotational speed signal, in order to carry out accurate control to motor's rotational speed, end cover function is more various, very practical. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 For the structure of the utility model Figure 1 ;

[0012] Figure 2 For the structure of the utility model Figure 2 ;

[0013] Figure 3 For the explosion of the utility model Figure 1 ;

[0014] Figure 4 For the explosion of the utility model Figure 2 .

[0015] In the drawing: 1, end cover cover body;101, rotation support hole;102, elastic buckle;2, rotational speed sensor;3, circuit board;4, PTC current protection element;5, inductance;6, pressure sensor;7, ground terminal;8, movable cover body;801, elastic support groove;9, bounce sensor;10, elastic support piece;11, elastic plate;12, plug-in wire slot;13, pin;14, hall element;15, capacitor. DETAILED DESCRIPTION

[0016] 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 apparently, the described embodiments are only 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 person skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] Please refer to Figures 1-4The utility model discloses an embodiment of a novel motor assembly end cover, including end cover cover body 1, is set up rotary support hole 101 on end cover cover body 1 upper, rotary support hole 101 inside is installed with tachogenerator 2, tachogenerator 2 upper is provided with the circuit board 3 of passing through screw connection with end cover cover body 1, the circuit board 3 middle part has via, the inductance 5 of both sides of via upper of circuit board 3 is connected with through soldering, one side of inductance 5 is provided with ground terminal 7, the other side of via of circuit board 3 is connected with piezoelectric sensor 6 through soldering, the one side of piezoelectric sensor 6 of circuit board 3 is connected with PTC current protection element 4 through soldering, the back of circuit board 3 is connected with hall element 14 through soldering on the one side of via, the opposite side and adjacent side of the one side of via of circuit board 3 with hall element 14 are connected with electric capacity 15 through soldering.

[0018] Through the above technical scheme, the rotational speed of the motor main shaft can be detected in real time by the tachogenerator 2, the two inductances 5 and the piezoelectric sensor 6 are protected by the PTC current protection element 4, the two inductances 5, the two ground terminals 7, the piezoresistor and the three electric capacities 15 jointly form a strong EMC countermeasure, the hall element 14 can feedback the rotational speed signal of the motor, so as to accurately control the rotational speed of the motor, and the end cover has more functions and is very practical.

[0019] The utility model discloses an embodiment of a novel motor assembly end cover, including end cover cover body 1, is set up rotary support hole 101 on end cover cover body 1 upper, rotary support hole 101 inside is installed with tachogenerator 2, tachogenerator 2 upper is provided with the circuit board 3 of passing through screw connection with end cover cover body 1, the circuit board 3 middle part has via, the inductance 5 of both sides of via upper of circuit board 3 is connected with through soldering, one side of inductance 5 is provided with ground terminal 7, the other side of via of circuit board 3 is connected with piezoelectric sensor 6 through soldering, the one side of piezoelectric sensor 6 of circuit board 3 is connected with PTC current protection element 4 through soldering, the back of circuit board 3 is connected with hall element 14 through soldering on the one side of via, the opposite side and adjacent side of the one side of via of circuit board 3 with hall element 14 are connected with electric capacity 15 through soldering.

[0020] After the above technical scheme is adopted, the elastic supporting force can be provided for the bounce sensor 9 by the elastic supporting piece 10 and the elastic plate 11, so that the bounce sensor 9 can be always close to the motor main shaft, and the bounce of the motor main shaft can be measured, thereby guaranteeing the normal operation of the motor end.

[0021] The utility model discloses an embodiment of a novel motor assembly end cover, including end cover cover body 1, is set up rotary support hole 101 on end cover cover body 1 upper, rotary support hole 101 inside is installed with tachogenerator 2, tachogenerator 2 upper is provided with the circuit board 3 of passing through screw connection with end cover cover body 1, the circuit board 3 middle part has via, the inductance 5 of both sides of via upper of circuit board 3 is connected with through soldering, one side of inductance 5 is provided with ground terminal 7, the other side of via of circuit board 3 is connected with piezoelectric sensor 6 through soldering, the one side of piezoelectric sensor 6 of circuit board 3 is connected with PTC current protection element 4 through soldering, the back of circuit board 3 is connected with hall element 14 through soldering on the one side of via, the opposite side and adjacent side of the one side of via of circuit board 3 with hall element 14 are connected with electric capacity 15 through soldering.

[0022] In the embodiment, a plurality of elastic buckles 102 connected with the motor main body shell are integrally formed on the periphery of the end cover cover body 1.

[0023] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A new type of motor assembly end cover, comprising an end cover cover body (1), characterized in that: The rotating support hole (101) is arranged on the end cover cover body (1), the rotating speed sensor (2) is installed in the rotating support hole (101), the circuit board (3) is connected with the end cover cover body (1) through screws above the rotating speed sensor (2), the circuit board (3) has a via hole in the middle, the inductor (5) is connected with the circuit board (3) through soldering on both sides of the via hole, the grounding terminal (7) is arranged on one side of the inductor (5), the pressure sensitive sensor (6) is connected with the circuit board (3) through soldering on the other side of the via hole, the PTC current protection element (4) is connected with the circuit board (3) through soldering on the side corresponding to the pressure sensitive sensor (6), the Hall element (14) is connected with the circuit board (3) through soldering on one side of the via hole, and the capacitor (15) is connected with the circuit board (3) through soldering on the side opposite to the Hall element (14) and the adjacent side of the via hole.

2. A new type of motor assembly end cover according to claim 1, characterized in that: The movable cover body (8) is connected with the circuit board (3) through screws on one side of the end cover cover body (1), the elastic support grooves (801) are arranged on the movable cover body (8) in a symmetrical position, the elastic support pieces (10) are clamped in the elastic support grooves (801), the elastic plates (11) are fixedly connected with the elastic support pieces (10), and the jumping sensors (9) are connected with the elastic plates (11) through screws on one end.

3. A new type of motor assembly end cover according to claim 1, characterized in that: The plug-in wire slot (12) is arranged on one side of the bottom end of the end cover cover body (1), and the plug pin (13) electrically connected with the circuit board (3) is fixedly connected in the plug-in wire slot (12).

4. A new type of motor assembly end cover according to claim 1, characterized in that: The elastic buckles (102) connected with the motor main body shell are integrally formed on the periphery of the end cover cover body (1).

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