CN106451931A - Driving device - Google Patents
Driving device Download PDFInfo
- Publication number
- CN106451931A CN106451931A CN201610971723.5A CN201610971723A CN106451931A CN 106451931 A CN106451931 A CN 106451931A CN 201610971723 A CN201610971723 A CN 201610971723A CN 106451931 A CN106451931 A CN 106451931A
- Authority
- CN
- China
- Prior art keywords
- equipment
- direct current
- current generator
- module
- driving means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/278—Surface mounted magnets; Inset magnets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides a driving device. The driving device is characterized in that a transformer is electrically with a high-voltage power source and one end of a cable; a direct-current motor is connected to a to-be-driven device; a controller is arranged on the direct-current motor, and is connected with the other end of the cable electrically; a driving module, an adjusting module and a voltage reducing module are arranged in the controller; the voltage reducing module is connected with the driving module electrically, performs primary voltage reduction on output voltage and transmits the output voltage to the driving module; the driving module is electrically connected with the direct-current motor, and is used for controlling movement of the direct-current motor; the adjusting module is electrically connected with signal terminals of the voltage reducing module, the driving module and the direct-current motor; the adjusting module receives operation data of the direct-current motor and feeds beck the operation data to the driving module. The driving device has the advantages of simple structure, convenience in mounting, long service life and a certain of improvement space.
Description
Technical field
The invention belongs to mechanical equipment technical field, is related to a kind of driving means.
Background technology
Driving means are a kind of power parts that applies in plant equipment, especially apply grinding machine, inside diameter slicer,
On the industrial equipment such as lathe and drilling machine, can be applied on aquaculture equipment, but existing grinding machine, lathe and brill
Driving means on the industrial equipments such as bed are not integrated enough, complex structure, install inconvenience, and service life is than relatively low.
It is worthy of note that, current aquaculture equipment includes oxygen increasing equipment, throwing feeding equipment, drainage and irrigation equipment and cleans up the pond to set
Standby, the said equipment is needed in the work of pond central authorities, and generally using motor as driving means, in existing technology, generally by height
Draw in the cultivation equipment in water central authorities from land between line ball cable (220V or 380V), then motor connected by transformator,
Or high voltage power supply is placed in the buoyancy aid in pond central authorities, there is great potential safety hazard in this kind of mode, pool inner water is produced, is worked
Personnel around personnel or even pond cause life threat.
And the driving device structure complexity in plant equipment of the prior art, inconvenience is installed, service life is than relatively low, tool
There is certain room for improvement.
Content of the invention
The purpose of the present invention is the problems referred to above for existing for prior art, it is proposed that a kind of driving means.
The purpose of the present invention can be realized by following technical proposal：A kind of driving means, including：
Transformator, which is electrically connected with high voltage power supply；
Cable, its one end is electrically connected with the transformator；
Direct current generator, which is connected on equipment to be driven；
Controller, which is arranged on the direct current generator, the controller electrically connect with the other end of the cable so as to
Power for the direct current generator, in the controller, be provided with drive module, adjustment module and voltage reduction module, the blood pressure lowering mould
Block is electrically connected with the drive module, and the output voltage of the transformator is conveyed to the driving mould after a blood pressure lowering
Block, the drive module electrically connects to control direct current generator motion, the adjustment module and institute with the direct current generator
The signal end electrical connection of voltage reduction module, the drive module and the direct current generator is stated, the voltage reduction module is by output voltage
The adjustment module is conveyed to after secondary blood pressure lowering, and the adjustment module receives the service data of the direct current generator and feeds back to institute
State drive module.
Preferably, the direct current generator includes mounting seat, motor casing and end cap, the mounting seat has the cylinder of lid for top
The top of shape structure and the mounting seat is provided with the boss of axis hole and annular, circumferentially disposed on the side wall of the mounting seat
The lower end for having some lightening cores, the mounting seat is fixed on the equipment to be driven, and the motor casing is set in the installation
On the boss on the top of seat and both interference fits, the end cap is fixed on the top of the motor casing.
Preferably, stator is provided with the motor casing, be wound with coil, the lead-out wire of the coil is worn on the stator
Electrically connect with the controller after crossing the motor casing.
Preferably, being additionally provided with rotor in the motor casing, the rotor includes rotating shaft and is fixed in the rotating shaft
Iron core, circumferentially uniform on the side wall of the iron core be coated with least six blocks magnet steel, the rotating shaft two ends are each passed through described
Axis hole and the end cap.
Preferably, the iron core is sequentially overlapped by some circular stalloys constituting, the center of the stalloy offers
Centre bore, the edge of the centre bore is provided with keyway, and the rotating shaft is located in the center in the hole.
Preferably, being provided with mounting platform, some fin and some first lugs, institute on the side wall of the motor casing
State and the string holes for passing through for the cable on mounting platform and the tangent and described mounting platform of the side wall of the motor casing, is offered, respectively
Installing hole is all offered in the first lug.
Preferably, the end cap is to be provided with the second lug on arcuate structure, and the side wall of the end cap, described second is convex
It is provided with ear and the installing hole corresponding unthreaded hole up and down, the smooth in the hole is provided with bolt, the lower end of the bolt and institute
State installing hole threaded.
Preferably, circumference is evenly arranged with some 3rd lugs, the 3rd lug in the bottom side of the wall of the mounting seat
Upper setting attachment screw, the mounting seat is fixed on the equipment to be driven by attachment screw.
Preferably, the equipment to be driven is aquaculture equipment or grinding machine or lathe or drilling machine or inside diameter slicer.
Preferably, the aquaculture equipment is oxygen increasing equipment or throws feeding equipment or drainage and irrigation equipment or equipment of cleaning up the pond.
Compared with prior art, beneficial effects of the present invention are：
1st, the driving device structure is simple, and easy for installation, service life is long, with certain improvement sky.
2nd, direct current generator is due to being specially provided with mounting seat, so which is more firm with the connection of equipment to be driven, and
Connect and direct current generator setting height(from bottom) is improve, and by boss come clamping motor casing, have the advantages that easy for installation, by mitigating
Hole can effectively mitigate the weight of direct current generator, be easily installed carrying.
3rd, the quantity of magnet steel can be set to eight pieces, and eight blocks of magnet steel surround a columnar structure, and magnet steel is by least
Two aluminum strips are fixed on rotor core, and the rotor of this structure can make direct current generator operationally more stable.
Description of the drawings
Fig. 1 is the structural representation of inventive drive means and aquaculture equipment；
Fig. 2 is the structural representation of the direct current generator of the present invention；
Fig. 3 is the top view of the rotor of the present invention；
Fig. 4 is the structural representation of the motor casing of the present invention；
Fig. 5 is the structural representation of the end cap of the present invention；
Fig. 6 is the circuit diagram of inventive drive means.
In figure, 100, equipment to be driven；200th, transformator；300th, cable；400th, direct current generator；410th, mounting seat；411、
Axis hole；412nd, boss；413rd, lightening core；414th, the 3rd lug；420th, motor casing；421st, mounting platform；422nd, fin；423、
First lug；424th, installing hole；430th, stator；440th, rotor；441st, rotating shaft；442nd, iron core；443rd, stalloy；444th, center
Hole；445th, keyway；446th, magnet steel；450th, end cap；451st, the second lug；452nd, unthreaded hole；500th, controller.
Specific embodiment
The following is the specific embodiment of the present invention and accompanying drawing combined, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, a kind of driving means, including：Transformator 200, cable 300, straight
Stream motor 400 and controller 500, the driving means on equipment to be driven 100, such as grinding machine, lathe, drilling machine, interior
On the industrial equipment such as diameter slicer and aquaculture equipment, aquaculture equipment includes that oxygen increasing equipment, throwing feeding equipment, irrigation and drainage set
Standby and equipment of cleaning up the pond, and aquaculture equipment is arranged on the center in pond.
Herein it is worthy of note that, transformator 200, direct current generator 400 and controller 500 be used for grinding machine, lathe or
During drilling machine, it may be preferred to integrate, that is, three is in the box, consequently facilitating installing/dismounting.
During for aquaculture equipment, transformator 200 is installed on land, it is preferred that may be mounted at the transformation of river bank
In room or on electric pole, which is electrically connected with high-voltage ac power, for becoming the high-voltage ac power of 380V or 220V
DC low voltage power supply, herein it is worthy of note that, the output voltage of the transformator 200 typically less than or equal to 78V, for example
Output voltage can be 78V, 72V, 60V or 48V, can be preferably 48V in the present embodiment.
With respect to traditional direct transformator 200 is arranged on the cultivation equipment in water, or be not provided with transformation
High voltage power supply is directly arranged on the buoyancy aid at pond center by device 200, and transformator 200 is arranged on bank can greatly be carried
Safety is risen, the frequency of contingency generation is effectively reduced, as transformator 200 is arranged on safe bank, so water
In cultivation equipment and the voltage in driving means be all low-voltage DC after 200 blood pressure lowering of transformator on the bank, non-
Normal safety.
One end of cable 300 is electrically connected with the transformator 200, and the other end is electrically connected with high voltage power supply, for by high pressure
Connection between power supply and transformator 200.
Direct current generator 400 can be preferably brshless DC motor 400, and which is connected on equipment to be driven 100, for driving
Equipment, herein it is worthy of note that being additionally provided with corresponding signal end on the direct current generator 400, for exporting the data of correlation,
Such as rotating speed, voltage and other specification.
Controller 500 can be preferably brushless controller 500, and which is arranged on the direct current generator 400, or and direct current
Motor 400 is integrated in same framework, and the controller 500 is electrically connected with the other end of the cable 300 so as to for described
Direct current generator 400 is powered, and the controller 500 adopts 16F72 chip as main control chip, with following functions：A, voltage 48V,
Under-voltage 42V cruise is indicated；B, overcurrent protection and short-circuit protection；C, under-voltage protection；D, cruise function；E, electric brake function
(ABS)；F, brake function；G, speed limiting function；H, drive circuit monitoring function；J, YBS instrumentation tap, the positive limit of SMD and negative pole
Positive and negative instrument bears 24V for 24V- to point altogether；K, overspeed-resisting function；L, no Hall function；M, three class gear shift function；N, car-backing function；
O, zero-power auto-alarm function.
Drive module, adjustment module and voltage reduction module are provided with the controller 500, wherein, voltage reduction module can
The Power convert of 36V or 48V is become the power supply of 13V, it is the voltage of 13V to be preferably the voltage conversion of 48V herein, drives mould
Block is preferably MOSFET drive circuit, so the drive module has due to small volume, lightweight, efficiency high, and opens
Close that speed is fast, the easy low advantage of driving power in parallel, required, adjustment module is preferably CY8C2443 chip.
The voltage reduction module is electrically connected with the drive module, and the 48V voltage of the output of the transformator 200 is passed through
Blood pressure lowering is conveyed to the drive module after becoming 13V, the drive module is electrically connected to control with the direct current generator 400
The direct current generator 400 moves.
The adjustment module is electric with the signal end of the voltage reduction module, the drive module and the direct current generator 400
Connection, output voltage is reduced into after 13V by the voltage reduction module from 48V, then becomes 5V through secondary blood pressure lowering, is then fed to described
Adjustment module is used as working power, it is preferred that be provided with speed governing letter on the signal end as the CY8C2443 chip of adjustment module
Number end, brake signal end, motor hall signal end and other peripheral hardware ends, above-mentioned signal end is electrically connected with direct current generator 400, is connect
Receive the service data of the direct current generator 400 and the drive module is fed back to, and direct current generator is controlled according to feedback regulation
400 operations.
Above-mentioned driving means, due to arranging on the coast transformator 200, then pass through controller 500, direct current generator 400
Driving means are formed, as controller 500 and direct current generator 400 are all on the water surface, and institute is with voltage all relatively low, so
Very safe, and simple structure, install also more convenient, direct current generator 400 can be made more reasonable by controller 500
Work, so as to improve service life.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, on the basis of above-mentioned embodiment, the direct current generator 400 includes to install
Seat 410, motor casing 420 and end cap 450, the mounting seat 410 has the tubular structure of lid and the mounting seat 410 for top
Top is provided with the boss 412 of axis hole 411 and annular, is circumferentially provided with some mitigations on the side wall of the mounting seat 410
Hole 413, the lower end of the mounting seat 410 is fixed on the equipment to be driven 100, and the motor casing 420 is set in the peace
On the boss 412 on the top of dress seat 410 and both interference fits, the end cap 450 is fixed on the top of the motor casing 420.
The direct current generator 400 of the structure is due to being specially provided with mounting seat 410, so its company with equipment to be driven 100
It is more firm to connect, and improves indirectly 400 setting height(from bottom) of direct current generator, and by boss 412 come clamping motor casing 420, has
Have the advantages that easy for installation, can effectively mitigate the weight of direct current generator 400 by lightening core 413, be easily installed carrying.
As shown in Figure 2, Figure 4 shows, on the basis of above-mentioned embodiment, in the motor casing 420, stator 430, institute are provided with
State and coil on stator 430, is wound with, the lead-out wire of the coil is electrically connected with the controller 500 through after the motor casing 420
Connect.
As shown in Figure 2 and Figure 3, on the basis of above-mentioned embodiment, in the motor casing 420, rotor 440 is additionally provided with,
The rotor 440 includes rotating shaft 441 and the iron core 442 being scheduled in the rotating shaft 441, the side of the iron core 442 by keying
Circumferentially uniform on wall be coated with least six blocks magnet steel 446,441 two ends of the rotating shaft are each passed through the axis hole 411 and institute
State end cap 450.
Preferably, the quantity of magnet steel 446 can be set to eight pieces, and eight blocks of magnet steel 446 surround a columnar structure, and magnetic
Steel 446 is fixed on 440 iron core 442 of rotor by least two aluminum strips, and the rotor 440 of this structure can make direct current generator 400
Operationally more stable.
As shown in Figure 2 and Figure 3, on the basis of above-mentioned embodiment, the iron core 442 by some circular stalloys 443 according to
Secondary superposition composition, the center of the stalloy 443 offers centre bore 444, and the edge of the centre bore 444 is provided with keyway
445, the rotating shaft 441 is located in the centre bore 444, and it is bonded with iron core 442 that keyway 445 is crossed in rotating shaft 441.
As shown in figure 4, on the basis of above-mentioned embodiment, being provided with mounting platform on the side wall of the motor casing 420
421st, some fin 422 and some first lugs 423, and motor casing 420 is made of aluminum, lightweight, intensity height, and have
Beneficial to radiating, on the mounting platform 421 and the tangent and described mounting platform 421 of the side wall of the motor casing 420, confession is offered
The string holes that the cable 300 is passed through, all offers installing hole 424 in each first lug 423.
Wherein, the quantity of first lug 423 is preferably three, and first lug 423 is uniform axial is distributed in motor casing
On 420 side wall, straight down, for being connected with mounting seat 410 and end cap 450, mounting platform 421 is one to installing hole 424
Plane, fin 422 can increase the contact area of motor casing 420 and air, improve radiating efficiency, so as to improve motor operation
When performance.
As shown in Fig. 2, Fig. 5, on the basis of above-mentioned embodiment, the end cap 450 is arcuate structure, also by aluminum
Becoming, the second lug 451 is provided with the side wall of the end cap 450, is provided with and the installing hole on second lug 451
About 424 corresponding unthreaded holes 452, are provided with bolt, the lower end of the bolt and 424 spiral shell of the installing hole in the unthreaded hole 452
Stricture of vagina connects.
In the present embodiment, the quantity of the second lug 451 preferably also three, and correspond with first lug 423,
When mounted, bolt is threadeded with the installing hole 424 on motor casing 420 through after unthreaded hole 452, you can realizes fixing, and holds
On lid 450, some reinforcements can also be set, the reinforcement is axially distributed, and is extending axially outward form on the inwall of end cap 450
Location division, the radially outwardly extending formation limiting section in the end of end cap 450, the bottom surface of end cap 450 centrally disposed one circular convex
The portion of rising, in the center of circle, the center of lobe offers bearing mounting hole 424, for wearing for 440 upper end of rotor.
As shown in Fig. 2 on the basis of above-mentioned embodiment, in the bottom side of the wall of the mounting seat 410, circumference uniformly sets
Some 3rd lugs 414 are equipped with, attachment screw is set on the 3rd lug 414, the mounting seat 410 is solid by attachment screw
It is scheduled on the equipment to be driven 100.
In simple terms, on the 3rd lug 414, a circular hole is provided with, screw is by the circular hole with equipment to be driven 100 even
Connect.
When this driving means is applied on aquaculture equipment, first aquaculture equipment is placed on the water surface
On buoyancy aid, then by mounting seat 410 on aquaculture equipment, then with screw through the screw on the 3rd lug 414,
Then, by motor casing 420 in mounting seat 410, so that the lower end inner wall of motor casing 420 is stuck on boss 412, then pass through
Bolt is through the installing hole 424 in first lug 423 and the unthreaded hole 452 on the second lug 451 so as to end cap 450 to be fixed on
On motor casing 420, then the coil on stator 430 is connected with controller 500, so as to complete to install.
Specific embodiment described herein is only explanation for example to present invention spirit.The affiliated technology neck of the present invention
The technical staff in domain can be made various modifications or supplement or replaced using similar mode to described specific embodiment
Generation, but the spirit without departing from the present invention or surmount scope defined in appended claims.
Claims (10)
1. a kind of driving means, it is characterised in that include：
Transformator, which is electrically connected with high voltage power supply；
Cable, its one end is electrically connected with the transformator；
Direct current generator, which is connected on equipment to be driven；
Controller, which is arranged on the direct current generator, and the controller is electrically connected with the other end of the cable so as to for institute
State direct current generator to power, in the controller, be provided with drive module, adjustment module and voltage reduction module, the voltage reduction module with
The drive module electrical connection, and the output voltage of the transformator is conveyed to the drive module after a blood pressure lowering,
The drive module electrically connects to control direct current generator motion, the adjustment module and the drop with the direct current generator
The signal end electrical connection of die block, the drive module and the direct current generator, the voltage reduction module is secondary by output voltage
The adjustment module is conveyed to after blood pressure lowering, and the adjustment module receives the service data of the direct current generator and feeds back to the drive
Dynamic model block.
2. driving means as described in claim 1, it is characterised in that：The direct current generator include mounting seat, motor casing with
And end cap, the mounting seat has a tubular structure of lid for top and the top of the mounting seat is provided with axis hole and annular
Boss, is circumferentially provided with some lightening cores on the side wall of the mounting seat, the lower end of the mounting seat is fixed on described to be driven
On equipment, the motor casing is set on the boss on the top of the mounting seat and both interference fits, and the end cap is fixed on
The top of the motor casing.
3. driving means as described in claim 2, it is characterised in that：Stator is provided with the motor casing, the stator
On be wound with coil, the lead-out wire of the coil is electrically connected with the controller through after the motor casing.
4. driving means as described in claim 3, it is characterised in that：Rotor is additionally provided with the motor casing, described turn
Attached bag includes rotating shaft and the iron core being fixed in the rotating shaft, circumferentially uniform on the side wall of the iron core is coated with least six pieces
Magnet steel, the rotating shaft two ends are each passed through the axis hole and the end cap.
5. driving means as described in claim 4, it is characterised in that：The iron core is folded successively by some circular stalloys
Plus constitute, the center of the stalloy offers centre bore, and the edge of the centre bore is provided with keyway, and the rotating shaft is located in
The center in the hole.
6. driving means as described in claim 4 or 5, it is characterised in that：Installation is provided with the side wall of the motor casing
Platform, some fin and some first lugs, the mounting platform and the tangent and described installation of the side wall of the motor casing
The string holes for passing through for the cable is offered on platform, all offers installing hole in each first lug.
7. driving means as described in claim 6, it is characterised in that：The end cap is arcuate structure, and the end cap
The second lug is provided with the wall of side, is provided with and the installing hole corresponding unthreaded hole up and down, the unthreaded hole on second lug
Bolt is inside provided with, and the lower end of the bolt is threadeded with the installing hole.
8. driving means as described in claim 7, it is characterised in that：In the bottom side of the wall of the mounting seat, circumference uniformly sets
Some 3rd lugs are equipped with, attachment screw is set on the 3rd lug, the mounting seat is fixed on by attachment screw described
On equipment to be driven.
9. driving means as described in claim 1, it is characterised in that：The equipment to be driven is aquaculture equipment or mill
Bed or lathe or drilling machine or inside diameter slicer.
10. driving means as described in claim 9, it is characterised in that：The aquaculture equipment is oxygen increasing equipment or throwing
Feeding equipment or drainage and irrigation equipment or equipment of cleaning up the pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610971723.5A CN106451931A (en) | 2016-11-04 | 2016-11-04 | Driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610971723.5A CN106451931A (en) | 2016-11-04 | 2016-11-04 | Driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106451931A true CN106451931A (en) | 2017-02-22 |
Family
ID=58180067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610971723.5A Pending CN106451931A (en) | 2016-11-04 | 2016-11-04 | Driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106451931A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2872724Y (en) * | 2006-02-22 | 2007-02-21 | 董国兴 | Brushless motor of pitter |
| CN101033650A (en) * | 2006-03-07 | 2007-09-12 | 卓景顾问有限公司 | Pool cleaning machine driven by waterpower |
| CN104929951A (en) * | 2015-06-05 | 2015-09-23 | 东莞市弘鼎机电有限公司 | Energy-saving DC variable frequency water pump and control method thereof |
| JP5931399B2 (en) * | 2011-10-27 | 2016-06-08 | 株式会社ミツバ | Brushless motor |
| CN205544701U (en) * | 2016-01-27 | 2016-08-31 | 温岭市鑫特机电配件有限公司 | Motor casing |
| CN206164302U (en) * | 2016-11-04 | 2017-05-10 | 宁波市海曙新颖盛机械制造有限公司 | Driving device |
-
2016
- 2016-11-04 CN CN201610971723.5A patent/CN106451931A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2872724Y (en) * | 2006-02-22 | 2007-02-21 | 董国兴 | Brushless motor of pitter |
| CN101033650A (en) * | 2006-03-07 | 2007-09-12 | 卓景顾问有限公司 | Pool cleaning machine driven by waterpower |
| JP5931399B2 (en) * | 2011-10-27 | 2016-06-08 | 株式会社ミツバ | Brushless motor |
| CN104929951A (en) * | 2015-06-05 | 2015-09-23 | 东莞市弘鼎机电有限公司 | Energy-saving DC variable frequency water pump and control method thereof |
| CN205544701U (en) * | 2016-01-27 | 2016-08-31 | 温岭市鑫特机电配件有限公司 | Motor casing |
| CN206164302U (en) * | 2016-11-04 | 2017-05-10 | 宁波市海曙新颖盛机械制造有限公司 | Driving device |
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| PB01 | Publication | ||
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Application publication date: 20170222 |