CN107872937A - A kind of driver - Google Patents
A kind of driver Download PDFInfo
- Publication number
- CN107872937A CN107872937A CN201711307160.0A CN201711307160A CN107872937A CN 107872937 A CN107872937 A CN 107872937A CN 201711307160 A CN201711307160 A CN 201711307160A CN 107872937 A CN107872937 A CN 107872937A
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- CN
- China
- Prior art keywords
- frame
- side wall
- control base
- outside
- driver
- 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.)
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/02—Arrangements of circuit components or wiring on supporting structure
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a kind of driver.The driver includes control base board and power substrate, in addition to installation frame, and the control base board and the power substrate are installed on the installation frame by the opposite both sides of the installation frame respectively.Control base board and power substrate are installed on installation frame by the driver that the application provides by the opposite both sides of installation frame, the installation of control base board and power substrate is realized by installation frame, so that the structure of driver is compacter, and improve reliability of structure.
Description
Technical field
The present invention relates to technical field of electrical equipment, particularly a kind of driver.
Background technology
Servo-driver is also known as servo amplifier or servo controller, and servo-driver is that one kind can drive servomotor
Driver, and universal servo-driver then can be according to the demand of servomotor power, according to the motor of different capacity section
Need to match corresponding servo-driver.The structure of existing servo-driver especially small-power servo-driver is not tight enough
Gather, space-consuming is big, and structure is less reliable.
The content of the invention
In view of this, an object of the present invention is to provide a kind of compact-sized reliable, easy to assembly driver.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
A kind of driver, including control base board and power substrate, in addition to installation frame, the control base board and the work(
Rate substrate is installed on the installation frame by the opposite both sides of the installation frame respectively.
Preferably, the installation frame includes frame-type structure and lattice, both ends it is relative with the frame-shaped construction respectively
Two side walls be connected, the frame-type structure is divided into by Part I and Part II with the lattice；
The control base board is connected with the Part I, and/or, the Part II and the lattice surround the
Radiator structure is provided with two inner spaces.
Preferably, the first mounting structure is provided with the first end face of the frame-type structure, the control base board passes through institute
The first mounting structure is stated to be fixedly connected with the frame-type structure；And/or
The second mounting structure is provided with the second end face of the frame-type structure, the power substrate is pacified by described second
Assembling structure is fixedly connected with the frame-type structure.
Preferably, first mounting structure and/or second mounting structure include screw pole.
Preferably, multiple electric capacity are provided with the power substrate, at least one in the multiple electric capacity is located in institute
State and be not provided with the second inner space in the region of the radiator structure.
Preferably, the multiple electric capacity includes first size electric capacity and the second size electric capacity, the first size electric capacity
Axial dimension is more than the axial dimension of the second size electric capacity,
The first size electric capacity is located in second inner space and is not provided with the region of the radiator structure,
And/or the second size electric capacity is located in the first inner space that the Part I surrounds with the lattice.
Preferably, power model is provided with the power substrate, the power model is resisted against on the radiator structure.
Preferably, the first supporting construction is provided with the control base board, first supporting construction is resisted against the peace
Frame up on frame；And/or
The second supporting construction is provided with the power substrate, second supporting construction is resisted against the installation frame
On.
Preferably, the frame-type structure includes side wall outside the first side, and the driver also includes display panel, the display
Panel is installed on outside first side in side wall.
Preferably, the driver also includes control base board shell, power substrate shell and display panel enclosure, the frame
Type structure is also included with side wall outside first side towards side wall outside the second opposite side, is provided with outside second side in side wall
Side plate, the control base board shell, power substrate shell, display panel enclosure and the side plate surround the driver jointly
Shell.
Preferably, the frame-type structure also includes one end of side wall outside side wall outside connection first side and second side
Top outside side wall outside the bottom of the other end of side wall outside side wall and second side outside side wall, and connection first side,
It is provided with outside the top outside side wall and/or bottom in side wall for first with the control base board cage connection
Attachment structure；And/or
It is provided with outside the top outside side wall and/or bottom in side wall for second with the power substrate cage connection
Attachment structure.
Preferably, the clearance structure for radiator structure described in empty avoiding is provided with the control base board shell.
Preferably, it is provided with air vent on the control base board shell and/or the power substrate shell.
Preferably, opening position corresponding with the display panel is provided with the first opening, institute on the display panel enclosure
Stating driver includes being used for the first cover plate for opening and closing first opening；And/or
Binding post is provided with the power substrate, the binding post is located in the power substrate and the display
The relative side of panel enclosure, opening position corresponding with the binding post is provided with second and opened on the display panel enclosure
Mouthful, the driver includes being used for the second cover plate for opening and closing second opening.
Preferably, a side of first cover plate is hinged with the display panel enclosure, relative another side and institute
Display panel enclosure formation is stated to be detachably connected；And/or
One side of second cover plate is hinged with the display panel enclosure, relative another side and the display surface
Plate shell is formed and is detachably connected.
Control base board and power substrate are installed on installation by the driver that the application provides by the opposite both sides of installation frame
On framework, the installation of control base board and power substrate is realized by installation frame so that the structure of driver is compacter, and carries
High reliability of structure.
Brief description of the drawings
By the description to the embodiment of the present invention referring to the drawings, above-mentioned and other purpose of the invention, feature and
Advantage will be apparent from, in the accompanying drawings：
Fig. 1 shows what power substrate, control base board, installation frame and display panel provided by the invention were assembled together
Structural representation；
Fig. 2 shows the explosive view of power substrate provided by the invention, control base board, installation frame and display panel；
Fig. 3 shows the structural representation of driver provided by the invention；
Fig. 4 shows the explosive view of driver provided by the invention.
In figure, 1, control base board；11st, the first supporting construction；2nd, power substrate；21st, electric capacity；211st, first size electric capacity；
212nd, the second size electric capacity；22nd, power model；23rd, binding post；24th, the second supporting construction；3rd, display panel；4th, installing frame
Frame；41st, frame-type structure；411st, Part I；412nd, Part II；413rd, the first attachment structure；414th, the second attachment structure；
42nd, lattice；43rd, the first inner space；44th, the second inner space；45th, the first mounting structure；46th, the second mounting structure；5、
Radiator structure；6th, control base board shell；61st, the first plate；611st, strengthening rib strip；612nd, clearance structure；613rd, projection；62nd, first
Flanging；621st, air vent；63rd, the second flanging；7th, power substrate shell；71st, the second plate；72nd, the 3rd flanging；73rd, Fourth Fold；
8th, display panel enclosure；81st, the 3rd plate；811st, the first opening；812nd, the second opening；82nd, coaming plate；83rd, lug；84th, the first lid
Plate；85th, the second cover plate；9th, side plate；91st, hole clipping.
Embodiment
Below based on embodiment, present invention is described, but the present invention is not restricted to these embodiments.Under
It is detailed to describe some specific detail sections in the literary detailed description to the present invention.Do not have for a person skilled in the art
The description of these detail sections can also understand the present invention completely.In order to avoid obscuring the essence of the present invention, known method, mistake
The not narration in detail of journey, flow, element.
In addition, it should be understood by one skilled in the art that provided herein accompanying drawing be provided to explanation purpose, and
What accompanying drawing was not necessarily drawn to scale.
Unless the context clearly requires otherwise, otherwise entire disclosure is similar with the " comprising " in claims, "comprising" etc.
Word should be construed to the implication included rather than exclusive or exhaustive implication；That is, it is containing for " including but is not limited to "
Justice.
In the description of the invention, it is to be understood that term " first ", " second " etc. are only used for describing purpose, without
It is understood that to indicate or implying relative importance.In addition, in the description of the invention, unless otherwise indicated, the implication of " multiple "
It is two or more.
This application provides a kind of driver, as shown in Figures 1 to 4, driver include control base board 1, power substrate 2,
Display panel 3 and installation frame 4, multiple electric capacity 21, power model 22 and binding post 23 are provided with power substrate 2, it is multiple
Electric capacity 21 such as including Y capacitance, thin-film capacitor, wherein, control base board 1 and power substrate 2 are opposite by installation frame 4 respectively
Both sides are installed on installation frame 4, and so as to the position of arranged rational various pieces, control base board 1 is realized by installation frame 4
With the installation of power substrate 2 so that the structure of driver is compacter, and improves reliability of structure, is particularly suitable for use in small
The servo-driver of power.
The periphery wall face of installation frame 4 includes the outer side wall in the first side, side wall outside the second side, side wall and bottom outside outside top
Wall, outside the first side side wall with side wall outside the second side towards on the contrary, side wall connects side wall and second side outside the first side outside top
One end of outer side wall, side wall connects the other end of side wall outside side wall and second side outside the first side outside bottom.Display panel 3 is pacified
In side wall outside the first side.
Wherein, as shown in Fig. 2 installation frame 4 includes frame-type structure 41 and lattice 42, lattice 42 is by frame-type structure 41
It is divided into Part I 411 and Part II 412, Part I 411 surrounds the first inner space 43, Part II with lattice 42
412 surround the second inner space 44 with lattice 42, and frame-type structure 41 is preferably square box, and lattice 42 is preferably strip point
Dividing plate, one end of demarcation strip are connected with the top frame of frame-type structure 41, and the other end is connected with the bottom frame of frame-type structure 41.
Control base board 1 is connected with Part I 411, and control base board 1 and the connected mode of Part I 411 for example can be
Clamping, grafting, fastener connection etc., in a preferred embodiment, as shown in Fig. 2 in the first end face of frame-type structure 41
The first mounting structure 45 is provided with, control base board 1 is fixedly connected by the first mounting structure 45 with frame-type structure 41, further excellent
Selection of land, the first mounting structure 45 include multiple first screw poles, and the first screw pole is preferably provided at the corner position of Part I 411
Put, the first mounting hole corresponding with the first screw pole is provided with control base board 1, the first screw pole and the first mounting hole pass through tight
Firmware connects, so as to which control base board 1 is installed on installation frame 4.
Power substrate 2 is connected with frame-type structure 41, and the connected mode of power substrate 2 and frame-type structure 41 for example can be card
Connect, grafting, fastener connection etc., in a preferred embodiment, as shown in Fig. 2 being set in the second end face of frame-type structure 41
The second mounting structure 46 is equipped with, power substrate 2 is fixedly connected by the second mounting structure 46 with frame-type structure 41, further preferably
Ground, the second mounting structure 46 include multiple second screw poles, and the second screw pole is preferably provided at the corner location of frame-type structure 41,
The second mounting hole corresponding with the second screw pole is provided with power substrate 2, the second screw pole and the second mounting hole pass through fastening
Part connects, so as to which power substrate 2 is installed on installation frame 4.
Radiator structure 5 is provided with the second inner space 44, as shown in Fig. 2 radiator structure 5 includes multi-disc fin,
It is at least one in multiple electric capacity 21 in power substrate 2 to be located in the region that radiator structure 5 is not provided with the second inner space 44
In, it is further preferred that radiator structure 5 is located at the bottom of the second inner space 44, the partition capacitance 21 in power substrate 2 is worn
In the upper area of the second inner space 44, so so that power substrate 2 in the axial direction of electric capacity 21 with installation frame 4 it
Between have it is overlapping, so as to reduce the thickness of driver.It is, of course, understood that other devices in power substrate 2 for example after
Electrical equipment, PTC resistor etc. can also be located in the second inner space 44 and be not provided with the region of radiator structure 5.
It is further preferred that multiple electric capacity 21 include the size electric capacity 212 of first size electric capacity 211 and second, shown in Fig. 1
Embodiment in, first size electric capacity is disposed with two about 211, the second size electric capacity 212 is provided with one, first size electricity
The axial dimension of appearance 211 is more than the axial dimension of the second size electric capacity 212, by the first size electric capacity 211 that axial dimension is larger
It is located in the second inner space 44 and is not provided with the region of radiator structure 5, the less second size electric capacity 212 of axial dimension is worn
It is located in the first inner space 43 so that structure arrangement is more reasonable, and the structure of driver is compacter.
It is further preferred that the power model 22 in power substrate 2 is resisted against on radiator structure 5, the heat of power model 22
Amount can be directly transferred on radiator structure 5, so as to improve the radiating efficiency of power substrate 2, ensure that power model 22 has abundance
Radiating condition, reach the purpose of the size of compression horsepower component as far as possible to the occupancy in space, further improve structure
Compactedness.
In order to improve the structural strength of driver, as shown in Fig. 2 the first supporting construction 11 is provided with control base board 1, the
One supporting construction 11 is resisted against on installation frame 4, and the second supporting construction 24, the second supporting construction 24 are provided with power substrate 2
It is resisted against on installation frame 4, on the one hand facilitates the installation of power substrate 2 and control base board 1 to position, on the other hand also improve drive
The structural strength of dynamic device.First supporting construction 11 and the second supporting construction 24 are preferably in the form of a column.
Further, driver also includes control base board shell 6, power substrate shell 7 and display panel enclosure 8, frame-type
Side plate 9 is provided with side wall outside second side of structure 41, in this way, outside control base board shell 6, power substrate shell 7, display panel
Shell 8 and side plate 9 surround the shell of driver jointly.The setting of first supporting construction 11 and the second supporting construction 24 can also improve
The structural strength of shell, in addition, can also effectively prevent from causing first device in control base board 1 and power substrate 2 because of the deformation of shell
Part contacts with the external world.
Specifically, the shell of control base board 6 includes the first plate 61, the and of the first flanging 62 being arranged on the top margin of the first plate 61
The second flanging 63 being arranged on the base of the first plate 61, power substrate shell 7 include the second plate 71 and are arranged at the second plate 71
Top margin on the 3rd flanging 72 and the Fourth Fold 73 being arranged on the base of the second plate 71, display panel enclosure 8 include the
Three plates 81 and the coaming plate 82 set around the edge of the 3rd plate 81.A plurality of reinforcement is provided with first plate 61 and/or the second plate 71
Bar 611, strengthening rib strip 611 preferably vertically extend, by setting strengthening rib strip 611 to improve the torque resistant of shell and resisting
The ability of deformation.
It is provided with outside side wall and bottom in side wall outside the top of frame-type structure 41 for being connected with control base board shell 6
First attachment structure 413, and the second attachment structure 414 for being connected with power substrate shell 7, it is preferable that the first connection
Structure 413 is formed with control base board shell 6 and snapped connection, for example, in the embodiment shown in Fig. 3 and Fig. 4, the first attachment structure
413 and second attachment structure 414 be projection, be provided with hole clipping on control base board shell 6 and power substrate shell 7, projection is caught in
In hole clipping, so as to realize the connection of power substrate shell 7 and control base board shell 6 and installation frame 4.Preferably, hole clipping is set
Put on the first flanging 62, the second flanging 63, the 3rd flanging 72 and Fourth Fold 73.
Preferably, display panel enclosure 8 is connected with power substrate shell 7 and control base board shell 6, such as can pass through card
Connect, grafting, fastener connection etc. mode link together, in a preferred embodiment, the coaming plate 82 of display panel enclosure 8
Edge stretch out formed with lug 83, hole clipping is provided with lug 83, close to edge on the first plate 61 and the second plate 71
Position is provided with projection, and projection is caught in hole clipping, so as to realize display panel enclosure 8 respectively with power substrate shell 7 and control
The clamping connection of substrate package 6.
For convenience of dismounting, it is preferable that display panel enclosure 8 and power substrate shell 7 and/or control base board shell 6 it
Between be provided with small gap, between the first flanging 62 and/or the second flanging 63 and installation frame 4 and the 3rd flanging 72 and/or
Small gap can also be set between four flangings 73 and installation frame 4, yi word pattern can easily be utilized by the setting of small gap
Screwdriver or finger pry open buckle connecting structure, simplify assembly technology, reduce the use of the metalliferous materials such as screw.
Similarly, side plate 9 is connected with power substrate shell 7 and control base board shell 6 respectively, for example, can by clamping,
The modes such as grafting, fastener connection are linked together, and in a preferred embodiment, the relative both sides of side plate 9 are respectively provided with
There are multiple hole clippings, projection is provided with power substrate shell 7 and control base board shell 6, projection is caught in hole clipping, so as to side plate 9
The clamping with power substrate shell 7 and control base board shell 6 is connected respectively.
Further, the clearance structure 612 for empty avoiding radiator structure 5 is provided with control base board shell 6 so that radiating
Structure 5 is exposed to outside, improves the radiating efficiency of radiator structure, and clearance structure 612 is preferably provided on the first plate 61.Control base board
Air vent 621 is provided with shell 6 and power substrate shell 7, so as to further improve radiating effect, air vent 621 is preferred
It is arranged on the first flanging 62, the second flanging 63, the 3rd flanging 72 and Fourth Fold 73.
Further, binding post 23 is arranged on relative with the 3rd plate 81 of display panel enclosure 8 one in power substrate 2
On side, 3 corresponding opening position of display panel is provided with the first opening 811 on display panel enclosure 8, it is right with binding post 23
The opening position answered is provided with the second opening 812, and driver also includes being used for the first cover plate for opening and closing the first opening 811
84, and for opening and closing the second cover plate 85 of the second opening 812, the setting of the first cover plate 84 on the one hand can be in non-behaviour
Make guardtime display panel 3, on the other hand avoid the generation of maloperation.The setting of second cover plate 85 can be kept away during start
Exempt from operating personnel to contact binding post 23 by mistake and trigger security incident, improve electrical security.First cover plate 84 and the second cover plate
85 be preferably flip structure, and the first opening and the second opening are conveniently realized by overturning the first cover plate 84 and the second cover plate 85
Open and close.Specifically, a side of the first cover plate 84 and display panel enclosure 8 are be hinged, relative another side and display
Panel enclosure 8 is formed and is detachably connected, such as forms clamping connection, similarly, a side of the second cover plate 85 and display panel
Shell 8 is be hinged, and relative another side forms with display panel enclosure 8 and is detachably connected, such as forms clamping connection.
Control base board 1 and power substrate 2 are installed on by the driver that the application provides by the opposite both sides of installation frame 4
Frame up on frame 4, the installation of control base board 1 and power substrate 2 is realized by installation frame 4 so that the structure of driver is more stepped up
Gather, and improve reliability of structure.
For those skilled in the art it is easily understood that on the premise of not conflicting, above-mentioned each preferred scheme can be free
Ground combination, superposition.
It should be appreciated that above-mentioned embodiment is only illustrative, and not restrictive, without departing from the basic of the present invention
In the case of principle, those skilled in the art can be directed to the various obvious or equivalent modification made of above-mentioned details or replace
Change, be all included in scope of the presently claimed invention.
Claims (15)
- A kind of 1. driver, it is characterised in that including control base board and power substrate, in addition to installation frame, the control base Plate and the power substrate are installed on the installation frame by the opposite both sides of the installation frame respectively.
- 2. driver according to claim 1, it is characterised in that the installation frame includes frame-type structure and lattice, Two side walls relative with the frame-shaped construction are connected respectively at the both ends of the lattice, and the frame-type structure is divided into first Point and Part II；The control base board is connected with the Part I, and/or, the Part II and the lattice surround second in Side is provided with radiator structure in space.
- 3. driver according to claim 2, it is characterised in that be provided with first in the first end face of the frame-type structure Mounting structure, the control base board are fixedly connected by first mounting structure with the frame-type structure；And/orThe second mounting structure is provided with the second end face of the frame-type structure, the power substrate is tied by the described second installation Structure is fixedly connected with the frame-type structure.
- 4. driver according to claim 3, it is characterised in that first mounting structure and/or second installation Structure includes screw pole.
- 5. driver according to claim 2, it is characterised in that PTC resistor, relay are provided with the power substrate And/or multiple electric capacity,At least one, described PTC resistor and/or relay in the multiple electric capacity are located in second inner space not In the region that the radiator structure is set.
- 6. driver according to claim 5, it is characterised in that the multiple electric capacity includes first size electric capacity and second Size electric capacity, the axial dimension of the first size electric capacity are more than the axial dimension of the second size electric capacity,The first size electric capacity is located in second inner space and is not provided with the region of the radiator structure, and/or, The second size electric capacity is located in the first inner space that the Part I surrounds with the lattice.
- 7. driver according to claim 2, it is characterised in that power model is provided with the power substrate, it is described Power model is resisted against on the radiator structure.
- 8. the driver according to one of claim 1 to 7, it is characterised in that first is provided with the control base board Support structure, first supporting construction are resisted against on the installation frame；And/orThe second supporting construction is provided with the power substrate, second supporting construction is resisted against on the installation frame.
- 9. the driver according to one of claim 2 to 7, it is characterised in that the frame-type structure is included outside the first side Wall, the driver also include display panel, and the display panel is installed on outside first side in side wall.
- 10. driver according to claim 9, it is characterised in that the driver also includes control base board shell, power Substrate package and display panel enclosure, the frame-type structure are also included with side wall outside first side towards outside the second opposite side Side wall, side plate, the control base board shell, power substrate shell, display panel enclosure are provided with side wall outside second side Surround the shell of the driver jointly with the side plate.
- 11. driver according to claim 10, it is characterised in that the frame-type structure also includes connecting first side Side wall and described second outside side wall outside the top of one end of side wall outside outer side wall and second side, and connection first side Side wall outside the bottom of the other end of side wall outside side,It is provided with outside the top outside side wall and/or bottom in side wall for being connected with the first of the control base board cage connection Structure；And/orIt is provided with outside the top outside side wall and/or bottom in side wall for being connected with the second of the power substrate cage connection Structure.
- 12. driver according to claim 10, it is characterised in that be provided with the control base board shell for empty avoiding The clearance structure of the radiator structure.
- 13. driver according to claim 10, it is characterised in that the control base board shell and/or the power base Air vent is provided with plate shell.
- 14. driver according to claim 10, it is characterised in that on the display panel enclosure with the display panel Corresponding opening position is provided with the first opening, and the driver includes being used for the first lid for opening and closing first opening Plate；And/orBinding post is provided with the power substrate, the binding post is located in the power substrate and the display panel The relative side of shell, opening position corresponding with the binding post is provided with the second opening on the display panel enclosure, The driver includes being used for the second cover plate for opening and closing second opening.
- 15. driver according to claim 14 a, it is characterised in that side of first cover plate and the display surface Plate housing hinge, relative another side form with the display panel enclosure and are detachably connected；And/orOne side of second cover plate is hinged with the display panel enclosure, outside relative another side and the display panel Hull shape is into being detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711307160.0A CN107872937A (en) | 2017-12-11 | 2017-12-11 | A kind of driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711307160.0A CN107872937A (en) | 2017-12-11 | 2017-12-11 | A kind of driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107872937A true CN107872937A (en) | 2018-04-03 |
Family
ID=61755412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711307160.0A Pending CN107872937A (en) | 2017-12-11 | 2017-12-11 | A kind of driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107872937A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510522A (en) * | 2018-12-03 | 2019-03-22 | 深圳市越疆科技有限公司 | Drive mould group, driver and servo-system |
| CN112702873A (en) * | 2021-01-14 | 2021-04-23 | 珠海格力电器股份有限公司 | Mounting box and sleep detector |
| CN113038781A (en) * | 2019-12-09 | 2021-06-25 | 清能德创电气技术（北京）有限公司 | Servo driver with independent air duct structure |
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Application publication date: 20180403 |