CN210120462U

CN210120462U - Anti-interference integrated motor

Info

Publication number: CN210120462U
Application number: CN201921505628.1U
Authority: CN
Inventors: 李寒逸; 张以军
Original assignee: Shenzhen Zhongling Technology Co Ltd
Current assignee: Shenzhen Zhongling Technology Co Ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-02-28
Anticipated expiration: 2029-09-10

Abstract

The utility model relates to an anti-interference integration motor belongs to motor technical field. The motor comprises a motor body, be provided with anti-interference isolator on the motor body, the isolator is including being used for keeping apart electromagnetic first isolation pad and being used for keeping apart electric second isolation pad, form the cavity that holds the circuit board between isolator and motor body, be provided with the through-wire hole that the through-hole that the pivot of power supply motor body passed and the wire of power supply motor body passed on the isolator. The anti-interference motor with the circuit board can reduce the influence of electromagnetic interference generated when the rotating shaft of the motor body rotates and the electric interference of external devices on the circuit board through the motor.

Description

Anti-interference integrated motor

Technical Field

The utility model relates to the technical field of electric machines, especially, relate to an anti-interference integration motor.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law.

The motor is internally provided with electronic elements for controlling the starting, the rotating speed, the rotating direction and the like of the motor, the electronic elements are arranged on the circuit board and are sensitive, and the electronic elements are easily influenced by the external environment. On one hand, when the motor is in a rotating state or at the moment of switching on or off the motor, great electromagnetic interference can be generated, and the electromagnetic interference generated by the motor has great influence on electronic elements on a circuit board; on the other hand, when an external electric appliance acts on the motor, a certain degree of current interference and voltage interference can be caused to the electronic elements through the motor, so that the circuit board is short-circuited.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti-interference integration motor has the advantage that the electronic component that reduces on the circuit board receives the interference.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides an anti-interference integrated motor, includes motor body, the last anti-jamming separator that is provided with of motor body, the separator is including the first isolation pad that is used for keeping apart the electromagnetism and the second isolation pad that is used for keeping apart electricly, form the cavity that holds the circuit board between separator and motor body, be provided with the through wires hole that the through-hole that the pivot of power supply motor body passed and the wire of power supply motor body passed on the separator.

According to the technical scheme, the electromagnetic interference generated on the motor body and the current interference and voltage interference generated by an external electric appliance through the machine body are shielded outside the cavity by the isolating piece and the rear cover, so that the electromagnetic interference, the voltage interference and the current interference on electronic elements on the circuit board are reduced, the service performance and the service life of the motor body are improved, and the wire on the motor body is connected with the circuit board through the threading hole.

Further, the motor body comprises a machine body and a rear cover, the first isolation pad and the second isolation pad are arranged between the machine body and the rear cover, the first isolation pad is parallel to the second isolation pad, and a cavity for accommodating the circuit board is formed between the second isolation pad and the rear cover.

By implementing the technical scheme, the electromagnetic interference generated by the machine body is shielded by the first isolation pad, and most of the electromagnetic interference cannot enter a cavity formed by the second isolation pad and the rear cover, so that the electromagnetic interference on electronic elements on the circuit board is reduced; the interference of the current and the voltage of the external electrical appliance generated by the machine body is shielded by the second isolation pad, namely the second isolation pad shields the interference of the external circuit on the electronic element on the circuit board, most of the current interference and the voltage interference cannot enter a cavity formed by the second isolation pad and the rear cover, so that the interference of the external circuit received by the circuit board is reduced, and the short circuit of the circuit board is avoided.

Further, the first isolation pad is a silicon steel plate.

According to the technical scheme, the silicon steel plate is used as the first isolation pad, so that electromagnetic interference can be shielded.

Furthermore, the second isolation pad is a plastic plate.

By implementing the technical scheme, the plastic board is used as the second isolation pad, so that the interference of an external circuit can be shielded on one hand; on the other hand, the plastic has a certain heat dissipation function, and can absorb and decompose heat generated by the motor body through radiation, so that the service life of the motor body is prolonged.

Further, be provided with the USB interface that is used for debugging the circuit board on the circuit board, one side and the back shroud butt that the circuit board deviates from the organism, the back shroud stretches out outside this body of motor with the USB interface in order to supply with the second isolating pad butt.

According to the technical scheme, the USB interface is exposed on the rear cover, so that when the USB interface is required to be inserted into the debugging circuit board by a worker, the rear cover is not required to be manually disassembled to debug the circuit board, the USB interface is directly inserted into the circuit board, the debugging of the circuit board can be carried out, the manpower is greatly reduced, and the labor efficiency is improved.

Further, the one side of first isolation pad or second isolation pad towards the back shroud is provided with the lug, the one side of back shroud towards first isolation pad or second isolation pad is provided with the breach, the lug stretches into butt USB interface in the breach.

Implement above-mentioned technical scheme, when the installation back shroud, it is relative with the breach and the lug on the back shroud, outside inserting the lug with the breach for lug butt USB interface makes USB interface butt to in the breach. Through the setting of lug, can play the supporting role to the USB interface, improve the installation stability of USB interface.

Furthermore, the rear cover is provided with heat dissipation holes.

According to the technical scheme, the circuit board is provided with a part of heating electronic elements, and the heat emitted by the electronic elements can be naturally dissipated by arranging the heat dissipation holes on the rear cover, so that the electronic elements are prevented from being damaged due to overhigh temperature caused by incapability of dissipating heat.

To sum up, the utility model discloses following beneficial effect has:

the first isolation pad and the second isolation pad are arranged to shield electromagnetic interference generated by a machine body and electrical interference output by external instruments through the machine body, so that electronic elements on a circuit board are prevented from being subjected to the electromagnetic interference and the electrical interference;

through the arrangement that the USB interface is exposed out of the rear cover, circuit debugging can be directly carried out on the circuit board by inserting the USB interface, the rear cover does not need to be manually disassembled, and then testing is carried out, so that the manual strength is reduced, and the working efficiency is improved.

Drawings

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

fig. 2 is a first exploded view of the housing, the first and second insulating cushions, the circuit board, and the rear cover;

fig. 3 is a second exploded view of the housing, the first and second spacers, the circuit board and the rear cover.

Reference numerals: 1. a motor body; 11. a body; 111. a first positioning hole; 12. a rear cover; 121. a notch; 122. heat dissipation holes; 2. a spacer; 21. a first insulating mat; 212. a first positioning post; 213. a second positioning hole; 22. a second insulating mat; 221. a bump; 222. a second positioning column; 3. a first screw; 4. a circuit board; 41. a USB interface; 6. a second screw; 7. a third screw; 8. a through hole; 9. and (6) threading holes.

Detailed Description

The technical solution of the embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1, an anti-interference integrated motor comprises a motor body 1, wherein an anti-interference isolating piece 2 is arranged on the motor body 1. The motor body 1 comprises a body 11 and a rear cover 12, and the body 11 is provided with a rotating shaft. The rear cover 12 may be made of, but not limited to, a metal material for shielding external electromagnetic interference. The separator 2 comprises a first isolation pad 21 for isolating electromagnetic interference and a second isolation pad 22 for isolating high-voltage interference, wherein the first isolation pad 21 is a silicon steel plate and is not limited to silicon steel, and can also be made of other materials with anti-electromagnetic interference performance; the second isolation pad 22 is a plastic plate and is not limited to plastic, and can be made of other materials with the function of isolating electricity. First isolation pad 21 and second isolation pad 22 set up between organism 11 and rear cover 12, first isolation pad 21 and second isolation pad 22 parallel arrangement, first isolation pad 21 sets up in the one side that is close to organism 11, second isolation pad 22 sets up in the one side that is close to rear cover 12, form the cavity that holds circuit board 4 between second isolation pad 22 and rear cover 12, make the electronic component on the circuit board 4 that is located the cavity isolated, the electromagnetic interference that electronic component received organism 11 has been reduced, the external electrical apparatus passes through the electrical interference that organism 11 caused circuit board 4, thereby avoid circuit board 4 short circuit, the unable moving condition of motor body 1 appears. The positions of the first isolation pad 21 and the second isolation pad 22 can be exchanged, the first isolation pad 21 can be disposed on a side close to the rear cover 12, and the second isolation pad 22 can be disposed on a side close to the machine body 11. The first isolation pad 21 and the second isolation pad 22 are both provided with a threading hole 9 for a motor thread on the machine body 11 to pass through, and a through hole 8 for a rotating shaft of the machine body 11 to pass through.

As shown in fig. 2 and 3, the body 11, the first isolation pad 21, the second isolation pad 22 and the rear cover 12 are fixed by first screws 3, the first screws 3 are respectively disposed at four corners of the first isolation pad 21, the second isolation pad 22 and the rear cover 12, and the first isolation pad 21, the second isolation pad 22 and the rear cover 12 sequentially pass through the rear cover 12, the second isolation pad 22, the first isolation pad 21 and the body 11 by the first screws 3 and are fixed on the body 11.

The first isolation pad 21 and the second isolation pad 22 are fixed on the machine body 11 by a second screw 6, and the second screw 6 is disposed near the center of the first isolation pad 21 or the second isolation pad 22. Before the rear cover 12 and the circuit board 4 are fixed, the first isolation pad 21 and the second isolation pad 22 are fixed on the machine body 11 by the second screw 6, and then the rear cover 12 is fixed on the machine body 11. Through this kind of setting, can be fixed in organism 11 through first screw 3 in the four corners of first isolation pad 21 and second isolation pad 22, the central point department of first isolation pad 21 and second isolation pad 22 is fixed in organism 11 through second screw 6 on, has strengthened the stability of being connected of first isolation pad 21 and second isolation pad 22. The second screws 6 are provided with at least two screws for ensuring the connection stability of the first isolation pad 21 and the second isolation pad 22, and when the second screws 6 are provided with two second screws 6, the two second screws 6 are arranged at the diagonal positions close to the central positions of the first isolation pad 21 and the second isolation pad 22, so that on one hand, the mounting material is saved, and on the other hand, the first isolation pad 21 and the second isolation pad 22 can be fixed on the machine body 11.

The circuit board 4 is fixed on the rear cover 12 through the third screws 7, the third screws 7 are arranged at four corners of the circuit board 4, and before the rear cover 12 is fixed, the circuit board 4 is fixed on the rear cover 12 through the third screws 7, so that the circuit board 4 is prevented from falling off from the rear cover 12.

The side wall of the rear cover 12 is provided with a heat dissipation hole 122, on one hand, the heat dissipation hole 122 is used for dissipating heat of electronic components on the circuit board 4, so as to prolong the service life of the electronic components; on the other hand, the manufacturing material of the rear cover 12 is saved, and the production cost is saved.

The side of the circuit board 4 facing the second isolation pad 22 is provided with a USB interface 41, and the USB interface 41 extends out of the edge of the circuit board 4. The rear cover 12 is provided with a notch 121 which is inserted into one end of the USB interface 41 extending out of the edge of the circuit board 4. The surface of the second isolation pad 22 facing the rear cover 12 is provided with a protrusion 221, and when the second isolation pad 22 abuts against the rear cover 12, the protrusion 221 extends into the notch 121 to abut against the USB interface 41. When the debugging circuit board 4 needs to be inserted with a USB, the USB interface 41 is exposed, so that the rear cover 12 does not need to be detached from the machine body 11, and the USB is inserted into the USB interface 41 to debug the circuit board 4, which is convenient and fast.

The first spacer 21 is provided with a first positioning post 212, and the body 11 is provided with a first positioning hole 111 engaged with the first positioning post 212. The second spacer 22 is provided with a second positioning post 222, and the first spacer 21 is provided with a second positioning hole 213 engaged with the second positioning post 222. When the first isolation pad 21 and the second isolation pad 22 are installed, the first positioning column 212 and the second positioning column 222 are arranged to position the first isolation pad 21 and the second isolation pad 22, so that the first isolation pad 21 and the second isolation pad 22 are located at positions aligned with the end face of the machine body 11 when the first isolation pad 21 and the second isolation pad 22 are installed, and accuracy of installing the first isolation pad 21 and the second isolation pad 22 is improved. The first positioning posts 212 are disposed at least two, and when two first positioning posts 212 are disposed, they are disposed on the diagonal line of the first isolation pad 21, and the second positioning posts 222 are disposed at least two, and when two second positioning posts 222 are disposed, they are disposed on the diagonal line of the second isolation pad 22. This kind of setting is used for guaranteeing when first isolating pad 21 joint is on organism 11, when with second isolating pad 22 joint on first isolating pad 21, its joint stability can be guaranteed to the homoenergetic.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an anti-interference integrated motor, includes motor body (1), characterized by: be provided with separator (2) on motor body (1), separator (2) are including being used for keeping apart electromagnetic first isolation pad (21) and being used for keeping apart electric second isolation pad (22), form the cavity that holds circuit board (4) between separator (2) and motor body (1), be provided with through-wire hole (9) that through-hole (8) and the wire of power supply motor body (1) that the pivot of power supply motor body (1) passed on separator (2) passed.

2. The anti-interference integrated motor according to claim 1, wherein: the motor body (1) comprises a machine body (11) and a rear cover (12), wherein a first isolation pad (21) and a second isolation pad (22) are arranged between the machine body (11) and the rear cover (12), the first isolation pad (21) is parallel to the second isolation pad (22), and a cavity for accommodating the circuit board (4) is formed between the second isolation pad (22) and the rear cover (12).

3. The anti-interference integrated motor according to claim 2, wherein: the first isolation pad (21) is a silicon steel plate.

4. The anti-interference integrated motor according to claim 2, wherein: the second isolation pad (22) is a plastic plate.

5. The anti-interference integrated motor according to claim 2, wherein: be provided with USB interface (41) that are used for debugging circuit board (4) on circuit board (4), one side and back cover (12) butt that circuit board (4) deviate from organism (11), back cover (12) and second isolating pad (22) butt stretch out outside motor body (1) for USB interface (41).

6. The anti-interference integrated motor according to claim 5, wherein: one side of the second isolation pad (22) facing the rear cover (12) is provided with a convex block (221), one side of the rear cover (12) facing the second isolation pad (22) is provided with a notch (121), and the convex block (221) extends into the notch (121) and abuts against the USB interface (41).

7. The anti-interference integrated motor according to claim 2, wherein: the rear cover (12) is provided with heat dissipation holes (122).