CN109802624A - A kind of driver that efficiently can more control motor - Google Patents
A kind of driver that efficiently can more control motor Download PDFInfo
- Publication number
- CN109802624A CN109802624A CN201910053998.4A CN201910053998A CN109802624A CN 109802624 A CN109802624 A CN 109802624A CN 201910053998 A CN201910053998 A CN 201910053998A CN 109802624 A CN109802624 A CN 109802624A
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- China
- Prior art keywords
- circuit board
- heat
- driver
- sliding
- drive enclosure
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Abstract
The invention discloses the drivers that one kind can efficiently control motor more, including drive enclosure, first interface, second interface, radiating subassembly, first buffer stopper, circuit board, heat dissipation scales, air hole, T-type mounting blocks, card slot, fixture block, connector, cushion block, second buffer stopper and T-type plug, the bottom of the drive enclosure is connected with radiating subassembly, the front side of the drive enclosure offers first interface and second interface respectively, the inside of the drive enclosure is equipped with circuit board, the first buffer stopper is provided between the top of the circuit board and the top inner wall of drive enclosure, the bottom uniform welding of the circuit board has heat dissipation scales, air hole is provided with below the heat dissipation scales, the air hole is provided with the bottom of the drive enclosure, the two sides correspondence of the circuit board is welded with fixture block, the present invention, Have the characteristics that heat dissipation effect is strong and practicability is good.
Description
Technical field
The present invention relates to Drive technology field, specially a kind of driver that efficiently can more control motor.
Background technique
Motor driver refers generally to stepper motor driver or motor servo driver.In motor movement commutation or commutation
When, need to load a driver, in addition to this motor driver also has the function of protecting motor circuit.In motor without changing
When mutually or commutating, then it can be not loaded with motor driver, for example, water pump, fan etc..
But in existing motor driver, there is a problem of that heat dissipation effect difference and practicability are low.Motor driver heat dissipation
Not in time, burning for internal component is easily led to, motor driver easily leads to electronic component damage when by external impacts,
And maintenance motor starter internal structure be need with tool remove connector, it is troublesome in poeration.Therefore, a kind of dissipate is designed
The good and practical efficient driver that can more control motor of thermal effect is necessary.
Summary of the invention
The purpose of the present invention is to provide the drivers that one kind can efficiently control motor more, to solve in above-mentioned background technique
The problem of proposition.
In order to solve the above technical problem, the present invention provides following technical solutions: one kind can efficiently control the drive of motor more
Dynamic device, including drive enclosure, first interface, second interface, radiating subassembly, the first buffer stopper, circuit board, heat dissipation scales, thoroughly
Stomata, T-type mounting blocks, card slot, fixture block, connector, cushion block, the second buffer stopper and T-type plug, the bottom of the drive enclosure
It is connected with radiating subassembly, the front side of the drive enclosure offers first interface and second interface respectively, outside the driver
The inside of shell is equipped with circuit board, and the first buffering is provided between the top of the circuit board and the top inner wall of drive enclosure
Block, the bottom uniform welding of the circuit board have heat dissipation scales, and air hole is provided with below the heat dissipation scales, described ventilative
Hole is provided with the bottom of the drive enclosure, and the two sides correspondence of the circuit board is welded with fixture block, the drive enclosure
Two sides correspondence offers connector, and the connector has been internally embedded T-type plug, and the side of the T-type plug is correspondingly arranged
There is the second buffer stopper, the quadrangle of the drive enclosure and the intersection of T-type plug are provided with cushion block, and two neighbouring
Be embedded with T-type mounting blocks between the cushion block, the side of the T-type mounting blocks offers card slot, the card slot and fixture block be with
Close structure;The radiating subassembly includes radiator shutter, shaft, cam, sliding slot, motor, sliding block, drive rod, the first fixed link, dissipates
Hot hole, reset spring, connecting rod, swing piece, rotor plate, the second fixed link, fixed sliding sleeve, sliding sliding sleeve, limited block, hinge axis and
The two sides correspondence of heat-dissipating casing, the heat-dissipating casing offers heat release hole, and the side inner wall of the heat-dissipating casing is uniformly through hinge
Chain rivet is connected with swing piece, and motor, one end connection of the motor are equipped at the other side inner wall center of the heat-dissipating casing
There is shaft, one end of the shaft is equipped with radiator shutter, and cam is socketed on the outside of the shaft, is opened on the outside of the cam
Equipped with sliding slot, the inside of the sliding slot is equipped with sliding block, and drive rod, the top of the heat-dissipating casing are provided at the top of the sliding block
Rotor plate is connected with by the second fixed link at portion inner wall center, the top inner wall of one end of the rotor plate and heat-dissipating casing it
Between be connected with reset spring, and the bottom at the end is connected with connecting rod, and the connecting rod, which passes through, swings piece, the other end of the rotor plate
Head is provided with limited block, and sliding sliding sleeve is socketed on the outside of the end, and the top of the sliding sliding sleeve and drive rod passes through bearing
It is flexibly connected.
According to the above technical scheme, first buffer stopper is a kind of resilient rubbber cushion.
According to the above technical scheme, the circuit board is with the first buffer stopper by being adhesively fixed.
According to the above technical scheme, the end junction of the connecting rod and swing piece is provided with hinge.
According to the above technical scheme, the junction of second fixed link and rotor plate is provided with bearing.
According to the above technical scheme, the side of the heat-dissipating casing is connected with fixed sliding sleeve by the first fixed link, and drives
Lever passes through fixed sliding sleeve.
According to the above technical scheme, the sliding slot opens up by and is looped around the outside circle of the cam.
Compared with prior art, the beneficial effects obtained by the present invention are as follows being: the present invention, by being provided with circuit board, T-type is pacified
Dress block, fixture block, cushion block and card slot substantially increase the speed of installing and dismounting to complete the operation of installing and dismounting, easy to repair;
When the driver is by external impacts, first by the elastic reaction of the first buffer stopper, absorb from perpendicular to the first buffer stopper side
Upward power, then absorbed by the second buffer stopper from perpendicular to the power on the second buffering Block direction, counteract two sides of circuit board
Upward power greatly increases buffer protection effect, is conducive to enhance the practicality;In driver work, by setting
It is equipped with motor, shaft, cam, radiator shutter, sliding block, sliding slot, drive rod, sliding sliding sleeve, rotor plate, connecting rod, swings piece and hinge
Chain rivet carrys out improving radiating effect, avoids heat too many, and heat dissipation not in time, causes electric elements to burn.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is heat radiation assembly structure schematic diagram of the invention;
Fig. 3 is a-quadrant structural schematic diagram in Fig. 2 of the invention;
Fig. 4 is that entirety of the invention faces the schematic diagram of the section structure;
Fig. 5 is B area structural schematic diagram in Fig. 4 of the invention;
In figure: 1, drive enclosure;2, first interface;3, second interface;4, radiating subassembly;5, radiator shutter;6, shaft;7, convex
Wheel;8, sliding slot;9, motor;10, sliding block;11, drive rod;12, the first fixed link;13, heat release hole;14, reset spring;15, even
Bar;16, piece is swung;17, rotor plate;18, the second fixed link;19, fixed sliding sleeve;20, sliding sleeve is slided;21, limited block;22, it cuts with scissors
Chain rivet;23, heat-dissipating casing;24, the first buffer stopper;25, circuit board;26, heat dissipation scales;27, air hole;28, T-type mounting blocks;
29, card slot;30, fixture block;31, connector;32, cushion block;33, the second buffer stopper;34, T-type plug.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-5, the present invention provides a kind of technical solution: one kind can efficiently control the driver of motor more, including
Drive enclosure 1, first interface 2, second interface 3, radiating subassembly 4, the first buffer stopper 24, circuit board 25, heat dissipation scales 26, thoroughly
Stomata 27, T-type mounting blocks 28, card slot 29, fixture block 30, connector 31, cushion block 32, the second buffer stopper 33 and T-type plug 34, driving
The bottom of device shell 1 is connected with radiating subassembly 4, and the front side of drive enclosure 1 offers first interface 2 and second interface 3 respectively,
The inside of drive enclosure 1 is equipped with circuit board 25, is arranged between the top of circuit board 25 and the top inner wall of drive enclosure 1
There is the first buffer stopper 24, the bottom uniform welding of circuit board 25 there are heat dissipation scales 26, and the lower section of heat dissipation scales 26 is provided with ventilative
Hole 27, air hole 27 are provided with the bottom of drive enclosure 1, and the two sides of circuit board 25, which correspond to, is welded with fixture block 30, outside driver
The two sides of shell 1 are corresponding to offer connector 31, and connector 31 has been internally embedded T-type plug 34, and the side of T-type plug 34 is corresponding
It is provided with the second buffer stopper 33, the quadrangle of drive enclosure 1 and the intersection of T-type plug 34 are provided with cushion block 32, on two
Under be embedded with T-type mounting blocks 28 between adjacent cushion block 32, the side of T-type mounting blocks 28 offers card slot 29, card slot 29 and card
Block 30 is fit structure;Radiating subassembly 4 includes radiator shutter 5, shaft 6, cam 7, sliding slot 8, motor 9, sliding block 10, drive rod
11, the first fixed link 12, heat release hole 13, reset spring 14, connecting rod 15, swing piece 16, be rotor plate 17, the second fixed link 18, solid
Determine sliding sleeve 19, sliding sliding sleeve 20, limited block 21, hinge axis 22 and heat-dissipating casing 23, the two sides correspondence of heat-dissipating casing 23 offers
Heat release hole 13, the side inner wall of heat-dissipating casing 23 is connected with uniformly through hinge axis 22 swings piece 16, heat-dissipating casing 23 it is another
Motor 9 is installed, one end of motor 9 is connected with shaft 6, and one end of shaft 6 is equipped with radiator shutter 5, turns at the inner wall center of side
The outside of axis 6 is socketed with cam 7, and the outside of cam 7 offers sliding slot 8, and the inside of sliding slot 8 is equipped with sliding block 10, sliding block 10
Top is provided with drive rod 11, passes through the second fixed link 18 at the top inner wall center of heat-dissipating casing 23 and is connected with rotor plate 17,
Reset spring 14 is connected between one end of rotor plate 17 and the top inner wall of heat-dissipating casing 23, and the bottom at the end is connected with
Bar 15, connecting rod 15, which passes through, swings piece 16, and another end of rotor plate 17 is provided with limited block 21, and is socketed with cunning on the outside of the end
Dynamic sliding sleeve 20, sliding sliding sleeve 20 are flexibly connected with the top of drive rod 11 by bearing;First buffer stopper 24 is a kind of elastic rubber
Rubber mat, convenient for improving protection effect;Circuit board 25 passes through with the first buffer stopper 24 to be adhesively fixed, convenient for the secured of enhancing junction
Degree;Connecting rod 15 and the end junction for swinging piece 16 are provided with hinge, convenient for swinging the synchronous rotation of piece 16;Second is fixed
The junction of bar 18 and rotor plate 17 is provided with bearing, convenient for improving the mobility of rotor plate 17;The side of heat-dissipating casing 23
It is connected with fixed sliding sleeve 19 by the first fixed link 12, and drive rod 11 passes through fixed sliding sleeve 19, convenient for improving drive rod 11
Job stability;Sliding slot 8 opens up by and is looped around the outside circle of cam 7, convenient for the movement of sliding block 10;By circuit board 25 together with two
The T-type mounting blocks 28 and fixture block 30 of side are taken out out of cushion block 32, then fixture block 30 is extracted out from the inside of card slot 29, can be by circuit
Plate 25, which disassembles, to be repaired, easy to operate, conversely, during installation, the viscose glue at the top spot printing 2-3 of circuit board 25,
T-type mounting blocks 28 are placed into the inside of cushion block 32 again, then press lightly on circuit board 25, and make the back of circuit board 25
On viscose glue and the bonding of the first buffer stopper 24, installation operation can be completed, substantially increase the speed of installing and dismounting, it is easy to repair;
When the driver is by external impacts, the first buffer stopper 24 and the second buffer stopper 33 can be made to occur elastic deformation, and by the
The elastic reaction of one buffer stopper 24 is absorbed from inhaling perpendicular to the power on 24 direction of the first buffer stopper, and by the second buffer stopper 33
It receives from perpendicular to the power on 33 direction of the second buffer stopper, counteracts the power in 25 both direction of circuit board, greatly increase
Buffer protection effect is conducive to enhance the practicality;In driver work, a large amount of heat can be generated, starts horse at this time
It is rotated up to 9, and by shaft 6 with moving cam 7 and radiator shutter 5, when cam 7 rotates, so that sliding block 10 is transported in sliding slot 8
It is dynamic, and up and down motion is formed, driving rotor plate 17 to swing around central axis by drive rod 11 and sliding sliding sleeve 20, and pass through
Connecting rod 15, which drives, swings the rotation of 16 around hinge axis 22 of piece, the rotation first rotated by radiator shutter 5, by 25 bottom heat radiation squama of circuit board
Heat discharge on piece 26, then by the swing of swing piece 16, accelerate the flow rate of air, and then improving radiating effect, avoid
Heat is too many, and heat dissipation not in time, causes electric elements to burn.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. one kind can efficiently control the driver of motor more, including drive enclosure (1), first interface (2), second interface (3),
Radiating subassembly (4), the first buffer stopper (24), circuit board (25), heat dissipation scales (26), air hole (27), T-type mounting blocks (28),
Card slot (29), fixture block (30), connector (31), cushion block (32), the second buffer stopper (33) and T-type plug (34), it is characterised in that:
The bottom of the drive enclosure (1) is connected with radiating subassembly (4), and the front side of the drive enclosure (1) offers respectively
The inside of one interface (2) and second interface (3), the drive enclosure (1) is equipped with circuit board (25), the circuit board (25)
Top and drive enclosure (1) top inner wall between be provided with the first buffer stopper (24), the bottom of the circuit board (25)
Uniform welding has heat dissipation scales (26), is provided with air hole (27) below the heat dissipation scales (26), the air hole (27)
It is provided with the bottom of the drive enclosure (1), the two sides correspondence of the circuit board (25) is welded with fixture block (30), the driving
The two sides correspondence of device shell (1) offers connector (31), and the connector (31) has been internally embedded T-type plug (34), institute
The side for stating T-type plug (34) is correspondingly arranged on the second buffer stopper (33), the quadrangle of the drive enclosure (1) and T-type plug
(34) intersection is provided with cushion block (32), is embedded with T-type mounting blocks between two neighbouring cushion blocks (32)
(28), the side of the T-type mounting blocks (28) offers card slot (29), and the card slot (29) and fixture block (30) are fit structure;
The radiating subassembly (4) includes radiator shutter (5), shaft (6), cam (7), sliding slot (8), motor (9), sliding block (10), driving
Bar (11), the first fixed link (12), heat release hole (13), reset spring (14), connecting rod (15), swing piece (16), rotor plate (17),
Second fixed link (18), fixed sliding sleeve (19), sliding sliding sleeve (20), limited block (21), hinge axis (22) and heat-dissipating casing (23),
The two sides correspondence of the heat-dissipating casing (23) offers heat release hole (13), the side inner wall of the heat-dissipating casing (23) uniformly through
Hinge axis (22), which is connected with, swings piece (16), is equipped with motor (9), institute at the other side inner wall center of the heat-dissipating casing (23)
The one end for stating motor (9) is connected with shaft (6), and one end of the shaft (6) is equipped with radiator shutter (5), the shaft (6)
Outside is socketed with cam (7), is offered sliding slot (8) on the outside of the cam (7), and the inside of the sliding slot (8) is equipped with sliding block
(10), it is provided with drive rod (11) at the top of the sliding block (10), passes through at the top inner wall center of the heat-dissipating casing (23)
Second fixed link (18) is connected with rotor plate (17), the top inner walls of one end of the rotor plate (17) and heat-dissipating casing (23) it
Between be connected with reset spring (14), and the bottom at the end is connected with connecting rod (15), and the connecting rod (15), which passes through, swings piece (16), institute
Another end for stating rotor plate (17) is provided with limited block (21), and sliding sliding sleeve (20), the cunning are socketed on the outside of the end
Dynamic sliding sleeve (20) are flexibly connected with the top of drive rod (11) by bearing.
2. the driver that one kind according to claim 1 can efficiently control motor more, it is characterised in that: first buffering
Block (24) is a kind of resilient rubbber cushion.
3. the driver that one kind according to claim 1 can efficiently control motor more, it is characterised in that: the circuit board
(25) with the first buffer stopper (24) by being adhesively fixed.
4. the driver that one kind according to claim 1 can efficiently control motor more, it is characterised in that: the connecting rod (15)
Hinge is provided with the end junction for swinging piece (16).
5. the driver that one kind according to claim 1 can efficiently control motor more, it is characterised in that: described second is fixed
The junction of bar (18) and rotor plate (17) is provided with bearing.
6. the driver that one kind according to claim 1 can efficiently control motor more, it is characterised in that: the heat-dissipating casing
(23) side is connected with fixed sliding sleeve (19) by the first fixed link (12), and drive rod (11) passes through fixed sliding sleeve (19).
7. the driver that one kind according to claim 1 can efficiently control motor more, it is characterised in that: the sliding slot (8)
Open up by and be looped around the outside circle of the cam (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910053998.4A CN109802624A (en) | 2019-01-21 | 2019-01-21 | A kind of driver that efficiently can more control motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910053998.4A CN109802624A (en) | 2019-01-21 | 2019-01-21 | A kind of driver that efficiently can more control motor |
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Publication Number | Publication Date |
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CN109802624A true CN109802624A (en) | 2019-05-24 |
Family
ID=66559908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910053998.4A Pending CN109802624A (en) | 2019-01-21 | 2019-01-21 | A kind of driver that efficiently can more control motor |
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CN (1) | CN109802624A (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1815864A (en) * | 2004-12-03 | 2006-08-09 | 麦格纳泰有限公司 | Modular power supply assembly |
CN101636063A (en) * | 2008-07-25 | 2010-01-27 | 微星科技股份有限公司 | Air guiding structure |
CN101686625A (en) * | 2008-09-24 | 2010-03-31 | 微星科技股份有限公司 | Air exhaust device |
CN102623858A (en) * | 2011-01-25 | 2012-08-01 | 盖茨股份有限公司 | Heat-exchange system for vehicle engine, fan module and electric connector |
CN104811098A (en) * | 2014-01-24 | 2015-07-29 | 日本电产三协株式会社 | Motor driving device |
CN106877691A (en) * | 2015-11-20 | 2017-06-20 | 株式会社安川电机 | Power inverter |
CN108718509A (en) * | 2018-05-31 | 2018-10-30 | 湖北省雄雄电子科技有限公司 | A kind of controller for electric vehicle having high heat dispersion |
CN208205183U (en) * | 2018-04-19 | 2018-12-07 | 庄舒福 | A kind of environmentally friendly heating system can be realized resource circulation utilization |
CN208273450U (en) * | 2018-04-14 | 2018-12-21 | 六和电子(江西)有限公司 | A kind of alternating-current pulse experimental power supply with heat sinking function |
-
2019
- 2019-01-21 CN CN201910053998.4A patent/CN109802624A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1815864A (en) * | 2004-12-03 | 2006-08-09 | 麦格纳泰有限公司 | Modular power supply assembly |
CN101636063A (en) * | 2008-07-25 | 2010-01-27 | 微星科技股份有限公司 | Air guiding structure |
CN101686625A (en) * | 2008-09-24 | 2010-03-31 | 微星科技股份有限公司 | Air exhaust device |
CN102623858A (en) * | 2011-01-25 | 2012-08-01 | 盖茨股份有限公司 | Heat-exchange system for vehicle engine, fan module and electric connector |
CN104811098A (en) * | 2014-01-24 | 2015-07-29 | 日本电产三协株式会社 | Motor driving device |
CN106877691A (en) * | 2015-11-20 | 2017-06-20 | 株式会社安川电机 | Power inverter |
CN208273450U (en) * | 2018-04-14 | 2018-12-21 | 六和电子(江西)有限公司 | A kind of alternating-current pulse experimental power supply with heat sinking function |
CN208205183U (en) * | 2018-04-19 | 2018-12-07 | 庄舒福 | A kind of environmentally friendly heating system can be realized resource circulation utilization |
CN108718509A (en) * | 2018-05-31 | 2018-10-30 | 湖北省雄雄电子科技有限公司 | A kind of controller for electric vehicle having high heat dispersion |
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Application publication date: 20190524 |