CN210016742U

CN210016742U - Permanent magnet synchronous motor driver

Info

Publication number: CN210016742U
Application number: CN201920471659.3U
Authority: CN
Inventors: 张启品
Original assignee: Golden Bell Electronic Drive And Control Shenzhen Co Ltd
Current assignee: Golden Bell Electronic Drive And Control Shenzhen Co Ltd
Priority date: 2019-04-09
Filing date: 2019-04-09
Publication date: 2020-02-04
Anticipated expiration: 2029-04-09

Abstract

The utility model discloses a PMSM driver, including driver, heat radiation fins, fan housing, thread fixing pole, second spring and grip block, the driver is square structure, and has seted up the opening on the driver, open position installs heat radiation fins, and heat radiation fins passes the opening and arranges in the driver inside and outside, heat radiation fins passes through glue fixed connection with the driver junction, the wiring mouth has been seted up to the driver side, the wiring cover is installed in the wiring mouth outside, and the wiring cover is square hollow structure, and the wiring cover length width is greater than the wiring mouth length width, the notch has been seted up in the wiring cover outside, the wiring cover is close to the inner wall of notch and installs two sets of grip blocks. This PMSM driver utilizes the mutual centre gripping of two sets of grip blocks to carry out the centre gripping to the wire of interface position and consolidates, improves stability, through fan and heat radiation fins sliding connection, conveniently dismantles the washing.

Description

Permanent magnet synchronous motor driver

Technical Field

The utility model relates to a motor drive technical field specifically is a permanent magnet synchronous motor driver.

Background

The motor driver is a controller for controlling a servo motor, has the action similar to that of a frequency converter on a common alternating current motor, belongs to a part of a servo system, is mainly applied to a high-precision positioning system, generally controls the servo motor through three modes of position, speed and moment, realizes the positioning of a high-precision transmission system, and is a high-end product of the transmission technology at present.

Look at usual motor drive from prior art, produce a large amount of heats when using for a long time, and the last heat dissipation mechanism of installing of motor drive is difficult to dismantle the clearance, uses for a long time and piles up the dust, leads to the radiating effect poor to install the wiring mouth on the motor drive among the prior art and meet with the wire, the junction is simple connection only, connects unstablely, leads to the wire to drop scheduling problem easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PMSM driver to solve the heat abstractor that proposes in the above-mentioned background art and be difficult to dismantle the clearance, the problem that the interface wire drops easily.

In order to achieve the above object, the utility model provides a following technical scheme: a permanent magnet synchronous motor driver comprises a driver, heat dissipation fins, a fan shell, a thread fixing rod, second spring screws and clamping blocks, wherein the driver is of a square structure, an opening is formed in the upper end of the driver, the heat dissipation fins are installed at the opening position and penetrate through the opening to be arranged inside and outside the driver, the joint of the heat dissipation fins and the driver is fixedly connected through glue, a wiring port is formed in the side edge of the driver, a wiring sleeve is installed on the outer side of the wiring port and is of a square hollow structure, the length and the width of the wiring sleeve are larger than those of the wiring port, a notch is formed in the outer side of the wiring sleeve, two groups of clamping blocks are installed on the inner wall, close to the notch, of the wiring sleeve, of the clamping blocks are connected with the inner wall in the horizontal direction of the wiring sleeve through second springs, the wiring sleeve is fixedly connected with second springs, one side of each clamping block, which is close to the notch, is of an inclined structure, and the inclined surfaces of the two groups of clamping blocks are opposite.

Preferably, a fixing frame is installed on the outer side of the driver, a notch is formed in the position, opposite to the opening, of the upper end of the fixing frame, and a fan is installed at the upper end of the radiating fin.

Preferably, both sides of the fan shell are fixedly connected with sliding blocks, a sliding groove is formed in the inner side of the notch of the fixing frame, the sliding blocks are connected with the sliding groove in a sliding mode, a through hole is formed in the upper end of the sliding groove, the bottom end of the sliding groove and the surface of the sliding block are provided with the same threaded holes, the sliding block and the sliding groove are fixed in a mode that the threaded fixing rod penetrates through the through hole in the upper end of the sliding groove and is in threaded connection with the threaded.

Preferably, the ventilation hole has been seted up to fan housing upper end, and fan housing upper end installs and hides the hawk, it is square structure to hide the hawk, and hides the hawk both ends and install the support, the fixture block is installed to support side lower extreme, the fixture block passes through first spring sliding connection inside the support, the push rod is installed to the fixture block upper end, and the push rod arranges the support outside in, it installs the pull ring to hide the hawk upper end.

Preferably, the two sides of the fan shell are provided with grooves, the positions of the grooves are opposite to those of the clamping blocks, the clamping blocks are clamped with the grooves, the bottom end of each clamping block is of an inclined structure, and the right side surface of the fan shell is provided with an operating button.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this PMSM driver, on current motor driver's basis, through the combination of heat radiation fins and fan accelerate motor driver's heat dissipation, can slide the dismantlement between fan and the heat radiation fins simultaneously, the convenience is to fan and heat radiation fins's clearance, increase life cycle to install the dust blocking plate in the fan upper end, prevent that dust and debris from falling into it in, the washing of conveniently taking through the joint of dust blocking plate.

2. This PMSM driver has the wire sleeve through the cover of wire connection mouth outside, utilizes the wire sleeve to play the effect of protection to wire connection mouth position, recycles grip block and the combination of second spring in the wire sleeve, carries out the centre gripping to the wire of wire connection mouth position fixedly, prevents that the wire accident from droing.

Drawings

Fig. 1 is a schematic sectional view of the front view structure of the present invention;

fig. 2 is a schematic sectional view of the front view structure at a in fig. 1 of the present invention;

fig. 3 is a schematic cross-sectional view of the front view structure at the position B in fig. 1 according to the present invention;

fig. 4 is a schematic sectional view of the overlooking structure of the middle connection sleeve of the present invention.

In the figure: 1. a driver; 2. heat dissipation fins; 3. a fixed mount; 4. a fan housing; 5. a fan; 6. A pull ring; 7. a dust shielding plate; 8. a slider; 9. an opening; 10. a clamping block; 11. a groove; 12. a push rod; 13. A support; 14. a threaded hole; 15. a first spring; 16. a threaded fixing rod; 17. a chute; 18. a wiring port; 19. a wiring sleeve; 20. a second spring; 21. and (4) clamping the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a permanent magnet synchronous motor driver comprises a driver 1, radiating fins 2, a fan 5, a fan shell 4, a thread fixing rod 16, a second spring 20 and clamping blocks 21, wherein the driver 1 is of a square structure, the upper end of the driver 1 is provided with an opening 9, the radiating fins 2 are arranged at the position of the opening 9 and penetrate through the opening 9 to be arranged inside and outside the driver 1, the joint of the radiating fins 2 and the driver 1 is fixedly connected through glue, the side edge of the driver 1 is provided with a wiring port 18, the outer side of the wiring port 18 is provided with a wiring sleeve 19, the wiring sleeve 19 is of a square hollow structure, the length and the width of the wiring sleeve 19 are larger than those of the wiring port 18, the outer side of the wiring sleeve 19 is provided with a notch, the inner wall of the wiring sleeve 19 close to the notch is provided with two groups of clamping blocks 21, the two groups of clamping blocks 21 are connected with the inner wall of the wiring, and the one end fixed connection wire sleeve 19 inner wall of centre gripping piece 21 is kept away from to second spring 20, and the one side that centre gripping piece 21 is close to the notch is the slope structure, and the inclined plane of two sets of centre gripping pieces 21 is relative, utilizes wiring mouth 18 to meet with the wire, overlaps in the wire outside through wire sleeve 19, and the inside centre gripping piece 21 of wire sleeve 19 extrudees relatively, reaches to carry out the fixed purpose of centre gripping to the wire, consolidates the stability of wire junction.

Wherein, mount 3 is installed in the driver 1 outside, and the same notch has been seted up to mount 3 upper end and opening 9 relative position, and heat radiation fins 2 upper end is installed fan 5, and the fan 5 upper end is the air intake, and the fan 5 lower extreme is the air outlet, carries out quick radiating purpose to heat radiation fins 2 through the operation of fan 5.

Wherein, 4 both sides of fan housing are all

fixed connection slider

8, 3 notch inboards of mount have seted up

spout

17, 8 sliding connection spout 17 of slider, and the through-hole has been seted up to spout 17 upper end, same screw hole 14 has all been seted up on spout 17 bottom and the 8 surface of slider, slider 8 and the fixed mode of spout 17 do, thread fixing rod 16 passes spout 17 upper end through-hole threaded connection slider 8 and fixes with screw hole 14 of spout 17 bottom, conveniently dismantle the washing through

fan housing

4 and 3 sliding connection of mount, and fan housing 4 is fixed through thread fixing rod 16.

Wherein, the ventilation hole has been seted up to fan housing 4 upper end, and fan housing 4 upper end is installed and is hidden grey board 7, it is square structure to hide grey board 7, and hide grey board 7 both ends and install support 13, fixture block 10 is installed to support 13 side lower extreme, fixture block 10 is inside support 13 through 15 sliding connection of first spring, push rod 12 is installed to fixture block 10 upper end, and push rod 12 arranges the support 13 outside in, it installs pull ring 6 to hide grey board 7 upper end, utilize and hide grey board 7 to hide grey purpose of fan 5 upper end inlet scoop, and hide grey board 7 and fan housing 4 joint, conveniently take and clear up.

Wherein, fan housing 4 both sides are seted up flutedly 11, and recess 11 position is relative with fixture block 10 position, and fixture block 10 and recess 11 joint, and fixture block 10 bottom is the slope structure, 4 right side surface mounting of fan housing has operating button, and convenient dismantlement is taken, and the washing of being convenient for utilizes operating button control fan switch, and fan 5 input passes through the wire electricity with operating button's output and is connected, and fan 5 passes through 1 internal power source of wire connection driver.

The working principle is as follows: work is carried out through the driver 1 body, heat is easily generated when the driver 1 works for a long time, heat absorption is carried out by utilizing the heat dissipation fins 2 arranged at the upper end of the driver 1, the heat dissipation fins 2 are made of aluminum, the heat absorption capacity is strong, the surface of the heat dissipation fins 2 is blown by utilizing the rotation of the fan 5 arranged at the upper end of the heat dissipation fins 2, the purpose of quickly dissipating heat of the heat dissipation fins 2 is achieved, hot air is blown out from the two sides of the fan 5 and is slidably connected with the fixing frame 3 through the two sides of the bottom end of the fan 5, the fan 5 can be detached, the fan shell 4 is fixed with the fixing frame 3 through the threaded fixing rod 16, the dust shielding plate 7 is arranged at the upper end of the fan 5, the purpose of shielding dust is achieved, dust is prevented from entering the surface of the heat dissipation fins 2 through the fan 5, the two sides of the, fixture block 10 and recess 11 joint, because the fixture block 10 lower extreme is the slope structure atress withdrawal, when the dust blocking plate 7 of taking, make fixture block 10 and recess 11 break away from through inwards pressing push rod 12, recycle pull ring 6 and directly mention dust blocking plate 7, and convenient operation, convenient to detach, it is connected with the wire to have seted up wiring mouth 18 through driver 1 surface, overlap in the wire outside through

wiring cover

19, and 19 inside grip blocks 21 of wiring cover extrude relatively, reach and carry out the fixed purpose of centre gripping to the wire, consolidate the stability of wire junction.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a permanent magnet synchronous motor driver, includes driver (1), heat radiation fin (2), fan (5), fan housing (4), threaded fixing pole (16), second spring (20) and grip block (21), its characterized in that: the driver (1) is of a square structure, an opening (9) is formed in the upper end of the driver (1), the heat dissipation fins (2) are installed at the position of the opening (9), the heat dissipation fins (2) penetrate through the opening (9) to be arranged inside and outside the driver (1), the connection part of the heat dissipation fins (2) and the driver (1) is fixedly connected through glue, a wiring port (18) is formed in the side edge of the driver (1), a wiring sleeve (19) is installed on the outer side of the wiring port (18), the wiring sleeve (19) is of a square hollow structure, the length and width of the wiring sleeve (19) are greater than those of the wiring port (18), a notch is formed in the outer side of the wiring sleeve (19), two groups of clamping blocks (21) are installed on the inner wall, close to the notch, of the wiring sleeve (19), and the two groups of clamping blocks (21) are connected with the inner wall of the, the wire sleeve (19) fixed connection second spring, and the one end fixed connection wire sleeve (19) inner wall that centre gripping piece (21) was kept away from to the second spring, one side that centre gripping piece (21) are close to the notch is the slope structure, and is two sets of the inclined plane of centre gripping piece (21) is relative.

2. The permanent magnet synchronous motor driver according to claim 1, characterized in that: the fixing frame (3) is installed on the outer side of the driver (1), a notch is formed in the position, opposite to the opening (9), of the upper end of the fixing frame (3), and the fan (5) is installed at the upper end of the radiating fin (2).

3. A permanent magnet synchronous motor drive according to claim 2, characterized in that: fan housing (4) is installed in fan (5) outside, and fan housing (4) both sides are fixed connection slider (8), spout (17) have been seted up to the notch inboard of mount (3), slider (8) sliding connection spout (17), and spout (17) upper end has seted up the through-hole, same screw hole (14) have all been seted up on spout (17) bottom and slider (8) surface, slider (8) do with spout (17) fixed mode, threaded fixing rod (16) pass through-hole threaded connection slider (8) in spout (17) upper end and are fixed with screw hole (14) of spout (17) bottom.

4. A permanent magnet synchronous motor drive according to claim 3, characterized in that: the ventilation hole has been seted up to fan housing (4) upper end, and fan housing (4) upper end is installed and is hidden hawk (7), hide hawk (7) and be square structure, and hide hawk (7) both ends and install support (13), fixture block (10) are installed to support (13) side lower extreme, fixture block (10) are through first spring (15) sliding connection inside support (13), push rod (12) are installed to fixture block (10) upper end, and push rod (12) arrange the support (13) outside in, hide hawk (7) upper end and install pull ring (6).

5. The permanent magnet synchronous motor driver according to claim 4, wherein: the fan shell is characterized in that grooves (11) are formed in two sides of the fan shell (4), the positions of the grooves (11) are opposite to those of the clamping blocks (10), the clamping blocks (10) are clamped with the grooves (11), the bottom end of each clamping block (10) is of an inclined structure, and an operating button is arranged on the surface of the right side of the fan shell (4).