WO2022203156A1 - 전동기 구동 장치 - Google Patents
전동기 구동 장치 Download PDFInfo
- Publication number
- WO2022203156A1 WO2022203156A1 PCT/KR2021/017491 KR2021017491W WO2022203156A1 WO 2022203156 A1 WO2022203156 A1 WO 2022203156A1 KR 2021017491 W KR2021017491 W KR 2021017491W WO 2022203156 A1 WO2022203156 A1 WO 2022203156A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- circuit board
- connector
- case
- pair
- fixing
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 18
- 230000004308 accommodation Effects 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 17
- 238000010168 coupling process Methods 0.000 description 17
- 238000005859 coupling reaction Methods 0.000 description 17
- 230000017525 heat dissipation Effects 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007665 sagging Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
-
- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
- H05K1/144—Stacked arrangements of planar printed circuit boards
-
- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
-
- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2211/00—Specific aspects not provided for in the other groups of this subclass relating to measuring or protective devices or electric components
- H02K2211/03—Machines characterised by circuit boards, e.g. pcb
Definitions
- the present invention relates to a motor driving device, and more particularly, to a motor driving device that can be easily assembled without a separate coupling configuration.
- the motor driving device refers to a series of devices that control the speed of the motor with high efficiency by receiving the power supplied from the used power source and supplying it to the motor by varying the voltage and frequency within itself.
- a case forms an overall appearance, and a circuit unit for driving is accommodated in an internal space formed by the case.
- the circuit unit includes a plurality of main circuit boards such as a power board, a filter board, a control board, and/or a cap board, and the plurality of circuit boards are interconnected with a conductor such as a wire or a clamp structure for mutual electrical signal connection. Alternatively, they are interconnected by a cable composed of wires and connectors.
- Korean Patent Publication No. 10-2213128 adopts a structure in which some circuit boards are vertically disposed with other circuit boards to remove wires or cables and are connected with connectors.
- An object of the present invention is to provide a motor driving device in which a circuit board disposed vertically even in a vibration or impact environment can be securely fixed inside a case.
- Another object of the present invention is to provide a motor driving device in which a vertically arranged circuit board can be easily coupled to a case without an assembly screw for a separate coupling.
- An object of the present invention is to provide a motor driving apparatus in which a plurality of parallel circuit boards do not sag in the process of coupling the vertically arranged circuit boards.
- the motor driving device to which the operation module is connected, a first case in which a first surface is formed; a second case having an accommodating space formed therein, formed to cover the first surface of the first case, and to which the manipulation module is coupled to the outside; a first circuit board disposed on the first surface and having a first connector on one side; a second circuit board disposed inside the second case and having a second connector electrically connected to the first connector; a first fixing member protruding from the first surface so that one side of the second circuit board is fitted in a state perpendicular to the first circuit board; may include.
- the first fixing member may include a pair of first supporting ends protruding from the first surface and spaced apart from each other by a predetermined interval; and a pair of first fixing protrusions each protruding from the inner ends of the pair of first supporting ends.
- Including, one side of the second circuit board may be elastically supported by the pair of first support ends in a state that is fitted between the pair of first fixing protrusions.
- a first guide surface may be formed on the pair of first fixing protrusions to guide one side of the second circuit board between the pair of first fixing protrusions.
- the other side of the second circuit board may be elastically supported by the pair of second support ends in a state fitted between the pair of second fixing protrusions.
- a second guide surface may be formed on the pair of second fixing protrusions to guide the other side of the second circuit board between the pair of second fixing protrusions.
- the third circuit board is disposed to be spaced apart from the first circuit board at a predetermined interval and has a third connector on one side;
- the second circuit board further includes a fourth connector electrically connected to the third connector, wherein the first connector, the second connector, and the third connector and the fourth connector are connected to the first connector. It is formed to be coupled by pressing in a direction perpendicular to the first surface, and to face the third connector with the third circuit board interposed therebetween so as to support the third circuit board when the fourth connector is coupled to the third connector.
- a support member disposed; may further include.
- the first circuit board may include: a groove formed at a position corresponding to the position of the third connector on the third circuit board; and a body fitted with the support member to the groove portion; at least one support part protruding from one surface of the body and having a front end surface supporting the third circuit board; and a plurality of fixing parts protruding from the side surfaces of the body to support both sides of the edge of the groove.
- a groove formed at a position corresponding to the position of the third connector on the third circuit board and a body fitted with the support member to the groove portion; at least one support part protruding from one surface of the body and having a front end surface supporting the third circuit board; and a plurality of fixing parts protruding from the side surfaces of the body to support both sides of the edge of the groove.
- the support member may include a plurality of protrusions protruding from the side surface of the body; It further includes, and a plurality of seating grooves in which the plurality of projections are seated may be formed on the inner circumferential surface of the groove to prevent the body from being separated from the groove.
- the plurality of fixing parts may be provided with a supporting part guide surface to guide the edge part between the plurality of fixing parts.
- the second circuit board may include a plurality of protrusions protruding from the other side; and a fifth connector disposed on any one of the plurality of protrusions.
- a housing coupled to the rear surface of the first surface and having a plurality of second through-holes formed at positions corresponding to the plurality of first through-holes; a cover coupled to the housing to form an inner space; a fourth circuit board disposed in the inner space; and a sixth connector provided on one side of the fourth circuit board and electrically coupled to the fifth connector as the housing is coupled to the second case.
- first through-hole guide surfaces may be formed at both ends of the through-hole in the longitudinal direction so that the protrusion is guided to the through-hole.
- At this time, at least one pressing member for elastically pressing the front end surface of the protrusion so that the second circuit board is pressed toward the first surface; may further include.
- the pressing member may be disposed to face the second connector or the fourth connector with the second circuit board interposed therebetween.
- the pressing member may include a support protruding from the housing toward the inner space; an elastic band protruding from the side of the support toward the second through hole; a pressing protrusion for pressing the front end surface of the protrusion from the elastic band; may include.
- the electric motor driving apparatus includes the first fixing member and the second fixing member, so that the vertically arranged circuit board can be firmly fixed inside the case even in a vibration or impact environment.
- the electric motor driving device by further comprising a pressing member, the vertically arranged circuit board can be easily coupled to the case without an assembly screw for a separate coupling.
- FIG. 1 is a perspective view of an electric motor driving apparatus according to an embodiment of the present invention.
- FIG. 2 is an exploded perspective view of an electric motor driving apparatus according to an embodiment of the present invention.
- FIG 3 is an enlarged view showing a first fixing member of the electric motor driving apparatus according to an embodiment of the present invention.
- FIG 4 is a view showing a state in which the second circuit board is coupled to the first fixing member of the electric motor driving apparatus according to an embodiment of the present invention.
- FIG 5 is an enlarged view showing a second fixing member of the electric motor driving apparatus according to an embodiment of the present invention.
- FIG. 6 is a view showing a state in which the second circuit board is coupled to the second fixing member of the electric motor driving apparatus according to an embodiment of the present invention.
- FIG. 7 is a view illustrating a state in which a support member of the electric motor driving apparatus is separated according to an embodiment of the present invention.
- FIG. 8 (a) is a perspective view of a support member of an electric motor driving apparatus according to an embodiment of the present invention viewed from one side.
- 8 (b) is a perspective view of the support member of the electric motor driving device according to an embodiment of the present invention viewed from the other side.
- Figure 8 (c) is a side view of the support member of the electric motor driving apparatus according to an embodiment of the present invention.
- 9 (a) is an enlarged view showing a state in which the support member of the electric motor driving apparatus is separated according to an embodiment of the present invention.
- 9 (b) is an enlarged view showing a state in which the support member of the electric motor driving apparatus according to an embodiment of the present invention is coupled to the first circuit board.
- FIG. 10 is a view showing a state in which the operation module of the electric motor driving apparatus is separated according to an embodiment of the present invention.
- FIG. 11 is an enlarged view showing a pressing member of the electric motor driving apparatus according to an embodiment of the present invention.
- FIG. 12 is a view showing a state in which the first case of the electric motor driving apparatus according to an embodiment of the present invention is separated.
- connection includes not only being directly connected, but also being connected indirectly through another configuration.
- 'first' and 'second' may be used to describe various elements, but the elements should not be limited by the above terms. The above term may be used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, a 'first component' may be termed a 'second component', and similarly, a 'second component' may also be termed a 'first component'.
- a 'first component' may be termed a 'second component'
- a 'second component' may also be termed a 'first component'.
- the present invention provides a motor driving device in which a circuit board disposed vertically even in a vibration or impact environment can be securely fixed to the inside of the case without an assembly screw for separate coupling.
- a plurality of circuit boards are arranged in parallel
- a plurality of circuit boards arranged in parallel provided with a support member are provided in a motor driving device in which sagging does not occur in the process of combining the vertically arranged circuit boards.
- FIG. 1 is a perspective view of an electric motor driving apparatus according to an embodiment of the present invention.
- 2 is an exploded perspective view of an electric motor driving apparatus according to an embodiment of the present invention.
- a direction toward the top of the motor driving device shown in FIG. 1 will be described by defining an upward direction, and a direction in which the operation module is coupled to the front.
- the motor driving device includes a first case 120 and a second case 110 , and as shown in FIG. 2 , in an embodiment of the present invention
- the motor driving apparatus includes a first circuit board 130 and a second circuit board in an accommodation space formed by the first case 120 and the second case 110 .
- the first case 120 may include a frame 122 on which a first surface 125 is formed in the front and a heat dissipation unit 124 .
- a first circuit board 130 which will be described later, may be spaced apart from and parallel to the first surface 125 .
- a heat dissipation unit 124 may be disposed on the rear surface of the frame 122 , that is, on the rear surface of the first surface 125 .
- the heat dissipation unit 124 absorbs heat generated from the first circuit board 130 and the second circuit board 140 to be described later and radiates the heat to the outside.
- At least one fan may be disposed on one side of the heat dissipation unit 124 .
- the fan continuously supplies external air toward the heat dissipation unit 124 . Through this, the heat transferred to the heat dissipation unit 124 may be effectively dissipated to the outside.
- the heat dissipation part 124 may be formed to be detachable from the frame 122 as shown in FIG. 2 , but is not limited thereto and may be integrally formed by injection molding.
- a second case 110 for closing the first surface 125 is disposed in front of the first surface 125 of the first case 120 .
- the second case 110 is formed in a box shape with an open rear surface so that an inner receiving space partitioned from the outside is formed between the first case 120 and the second case 110, but if an inner space can be formed There is no restriction on the shape.
- a first circuit board 130 and a second circuit board 140 to be described later are accommodated in the inner space.
- a plurality of slits may be formed on a side surface of the second case 110 . Accordingly, heat generated from the first circuit board 130 and the second circuit board 140 together with the heat dissipation unit 124 may be radiated to the outside.
- a second surface 111 opposite to the first surface 125 is formed on the inner front side of the second case 110 .
- a plurality of first through holes 112 through which the accommodating space inside the second case 110 and the outside can be penetrated may be formed on the second surface 111 .
- At least two or more circuit boards may be included in the accommodating space formed by the first case 120 and the second case 110 , if necessary.
- the first circuit board 130 is accommodated in a fixed state on the first surface 125 of the first case 120 .
- the first circuit board 130 is not limited in the manner in which it is fixed to the first surface 125 , and various known parts or structures may be applied.
- a cone-shaped pillar 123 fixed by screwing or protruding from the first surface 125 may penetrate and support the first circuit board 130 .
- FIG. 3 is an enlarged view showing a first fixing member of the electric motor driving apparatus according to an embodiment of the present invention.
- 4 is a view showing a state in which the second circuit board is coupled to the first fixing member of the electric motor driving apparatus according to an embodiment of the present invention.
- a first connector 132 is provided on one side of the first circuit board 130 of the electric motor driving apparatus 100 according to an embodiment of the present invention.
- the first circuit board 130 is electrically connected to another circuit board through the first connector 132 .
- the first connector 132 is formed so that another connector can be connected in a direction perpendicular to the first surface 125 .
- the first circuit board 130 may include a power circuit.
- the power circuit uses a power semiconductor device to generate a variable voltage and variable frequency for driving a motor, a DC-link smoothing function to smooth the input voltage, and a function to detect the DC-link voltage and the inverter output current.
- the first circuit board 130 includes an IGBT, a power relay, a gate driver IC, a Hall-CT, a DC Ractor, and a snubber capacitor ( Snubber Capacitor) can be mounted as a major component.
- the second circuit board 140 is disposed perpendicular to the first surface 125 in the receiving space formed by the first case 120 and the second case 110 .
- a second connector 142 is disposed on one side of the second circuit board 140 of the motor driving apparatus 100 according to an embodiment of the present invention.
- the second connector 142 is coupled to the first connector 132 so that the first circuit board 130 and the second circuit board 140 are electrically connected.
- the second connector 142 presses the second circuit board 140 in a direction perpendicular to the first surface 125 to connect the second connector 142 to the first connector 132 . ) so that it can be combined with
- the second circuit board 140 may include a control circuit.
- the control circuit may have a controller function for generating a signal (PWM) for controlling the motor using the operation command, the speed command, and the voltage and current information.
- PWM a signal
- a micro control unit may be mounted as a main component on the second circuit board 140 .
- the motor driving apparatus 100 may further include a third circuit board 150 electrically connected to the first circuit board 130 and the second circuit board 140 . .
- the third circuit board 150 may be spaced apart from the front side of the first circuit board 130 and disposed parallel to the first circuit board 130 .
- the third circuit board 150 may include a filter circuit.
- the filter circuit may have a filtering function to reduce noise components generated in the inverter.
- an EMC choke, X-Capacitor, Y-Capacitor, and Transformer may be mounted as main components on the third circuit board 150 .
- the first circuit board 130 to the third circuit board 150 may include other circuits as necessary, it is not limited to a specific circuit as described above.
- the first circuit board 130 may be fixed in the same manner as fixed to the first case 120 . Therefore, a description thereof will be omitted.
- a third connector 152 may be provided on the third circuit board 150 to be electrically connected to the second circuit board 140 , and the fourth connector 144 coupled to the third connector 152 is the first 2 It may be provided on the circuit board 140 .
- the third connector 152 is formed on one side of the third circuit board 150 .
- a cutting part 154 may be formed in the third circuit board 150 so that the first connector 132 is exposed toward the front side. Accordingly, the cutting part 154 and the third connector 152 may be disposed in a straight line.
- the fourth connector 144 is disposed on the inside of the second circuit board 140 rather than the second connector 142 on the second circuit board 140 . That is, one side of the second circuit board 140 is formed in a shape in which the upper side further protrudes rearward.
- the user presses the second circuit board 140 in a direction perpendicular to the first surface 125 to the first connector 132 and the second connector 142 and the third connector 152 and the fourth connector ( 144) can be connected.
- the electric motor driving device 100 includes a first fixing member 160 .
- the number of the first fixing members 160 may vary depending on the structure or size of the first case 120 .
- the first fixing member 160 is attached to the first fixing member 160 in addition to the second connector 142 and the fourth connector 144 being coupled to and fixed to the first connector 132 and the third connector 152 . It is fitted and fixed to the first case 120 .
- the first fixing member 160 of the electric motor driving device 100 includes a pair of first support ends 162 and a pair of first fixing members.
- a projection 164 is provided.
- the pair of first support ends 162 are formed to protrude forward from the first surface 125 .
- a pair of first support ends 162 are formed to be spaced apart from each other.
- a rear side edge of the second circuit board 140 is disposed between the pair of first support ends 162 .
- the upper side of the rear side edge of the second circuit board 140 may be coupled, but the present invention is not limited thereto.
- the coupling position may vary depending on the structure of the first case 120 or the size of the structure disposed on the first case 120 .
- a plurality of positions may be combined according to the number of the first fixing members 160 .
- a pair of first fixing protrusions 164 protruding toward the side between the pair of first support ends 162 are provided at the front end of the pair of first support ends 162 . Accordingly, the rear edge of the second circuit board 140 is fitted between the pair of first fixing protrusions 164 .
- the pair of first support ends 162 are elastically deformed so that the pair of first fixing protrusions 164 press the rear edge of the second circuit board 140 from both sides.
- the second circuit board 140 is coupled to the first connector 132 , the third connector 152 , and the first fixing member 160 while being disposed in a direction perpendicular to the first surface 125 . It is fixed to the first case 120 .
- the second circuit board 140 is connected to the first circuit board in a vibration or impact environment even if a configuration for a separate coupling, for example, a screw is not fastened. 130 and the third circuit board 150 may be stably connected.
- a first guide surface 165 is formed on the first fixing protrusion 183 of the electric motor driving apparatus 100 according to an embodiment of the present invention.
- the first guide surface 165 is inclined so that the rear edge of the second circuit board 140 can be easily guided between the pair of first fixing protrusions 164 .
- the rear edge of the second circuit board 140 moves along the first guide surface 165 with the first fixing member Since it can be coupled to 160 , not only the coupling operation is facilitated, but also the assembly time can be shortened.
- a coupling part 141 protruding backward may be formed at a position coupled to the first fixing member 160 among the rear side corners of the second circuit board 140 .
- the coupling portion 141 is coupled to the first fixing member 160 before the second connector 142 and the fourth connector 144 are respectively connected to the first connector 132 and the third connector 152 .
- a person or a robot assembling the second connector 142 and the fourth connector 144 by continuously pressing the coupling part 141 backward while being sandwiched between the pair of first fixing protrusions 164 . can be respectively connected to the first connector 132 and the third connector 152 .
- a person or a robot assembling can more easily grasp the position where the second circuit board 140 is fixed, and can easily fix the coupling part 141 to the second circuit board 140 as well as the first fixation.
- the second connector 142 and the fourth connector 144 can be easily coupled to each other in an aligned state by the member 160 .
- a through hole through which the coupling part 141 can pass may be formed in the first surface 125 of the first case 120 according to the degree to which the coupling part 141 protrudes.
- 5 is an enlarged view showing a second fixing member of the electric motor driving apparatus according to an embodiment of the present invention.
- 6 is a view showing a state in which the second circuit board is coupled to the second fixing member of the electric motor driving apparatus according to an embodiment of the present invention.
- the second fixing member so that the front side edge of the second circuit board 140 can be fixed to the second case 110 . (170) is provided.
- At least one second fixing member 170 is formed on the second surface 111 of the second case 110 . Accordingly, a plurality of protrusions 145 may be formed at the front side edge of the second circuit board 140 to correspond to the number of the second fixing members 170 .
- the second fixing member 170 has a pair of second support ends 172 and a pair of second fixing protrusions 174 , similar to the first fixing member 160 . and a second guide surface 175 is formed on the second fixing protrusion 183 . Accordingly, descriptions of the second fixing member 170 that overlap with the first fixing member 160 will be omitted.
- a rib 176 may be formed at an end of the second support end 172 on the side of the second surface 111 .
- the rib 176 may serve to support the second support end 172 so as not to be damaged even if it is elastically deformed. Accordingly, the durability of the second fixing member 170 is increased.
- FIG. 7 is a view showing a state in which the support member of the electric motor driving apparatus is separated according to an embodiment of the present invention.
- 8 (a) is a perspective view of a support member of an electric motor driving apparatus according to an embodiment of the present invention viewed from one side.
- 8 (b) is a perspective view of the support member of the electric motor driving device according to an embodiment of the present invention viewed from the other side.
- Figure 8 (c) is a side view of the support member of the electric motor driving apparatus according to an embodiment of the present invention.
- 9 (a) is an enlarged view showing a state in which the support member of the electric motor driving apparatus is separated according to an embodiment of the present invention.
- 9 (b) is an enlarged view showing a state in which the support member of the electric motor driving apparatus according to an embodiment of the present invention is coupled to the first circuit board.
- the electric motor driving apparatus 100 may further include a support member 180 .
- the support member 180 supports the third circuit board 150 so that the third circuit board 150 can be disposed to be spaced apart from the first circuit board 130 .
- the support member 180 is disposed at a position where a component capable of supporting the third circuit board 150 cannot be disposed structurally as other components are installed. ) is supported.
- the third connector 152 may be disposed on one surface of the third circuit board 150 and the support member 180 may be disposed on the other side of the position corresponding thereto. That is, the third connector 152 and the support member 180 may be disposed to face each other with the third circuit board 150 in the middle.
- the user presses the second circuit board 140 backward to firmly couple the fourth connector 144 to the third connector 152 . be able to
- the support member 180 is coupled to the first circuit board 130 to support the third circuit board 150 .
- the first circuit board 130 of the electric motor driving apparatus 100 has a groove portion 134 to which the support member 180 can be coupled. is formed, and the support member 180 includes a body 182 , a support portion 184 , and a plurality of fixing portions 187 .
- the shape of the groove part 134 may be a D-shape and concave toward the center of the first circuit board 130 , but the shape of the groove part 134 is not limited.
- the groove portion 134 is formed at a position corresponding to the position of the third connector 152 of the third circuit board 150 so that the support member 180 is disposed on the rear surface of the third connector 152 .
- the body 182 is formed to extend in length, and the cross section is formed to correspond to the shape of the groove portion 134 formed in the first circuit board 130 . Accordingly, the body 182 is seated and coupled to the groove portion 134 .
- the front surface of the body 182 is formed to protrude the support 184 forward.
- the length at which the support part 184 protrudes forward may be formed differently depending on the length at which the first circuit board 130 and the third circuit board 150 must be spaced apart.
- a plurality of support parts 184 may be formed as needed. At this time, as shown in FIG. 8 ( a ), a partition wall 189 may be formed between the plurality of support parts 184 .
- the barrier rib 189 not only supports the third circuit board 150 firmly by increasing the rigidity of the support portion 184 , but also reduces the amount of material, which is economical.
- the side of the body 182, the fixing portion 187 protrudes.
- a plurality of fixing parts 187 may be formed as needed.
- the fixing part 187 supports the front surface and the rear surface of the edge of the groove part 134 .
- the fixing part 187 may be disposed to be symmetrical to the left and right sides of the body 182 .
- two fixing parts 187 may be formed on the rear side and three fixing parts 187 may be formed on the front side.
- the plurality of fixing parts 187 may be alternately disposed.
- the fixing part 187 disposed on the front side may be formed to protrude left and right to stably support the third circuit board 150 in a state in which the third connector 152 is coupled to the fourth connector 144 .
- a contact area between the rear surface of the fixing part 187 and the front surface of the first circuit board 130 may be increased.
- an inclined surface that is, a guide surface 188, may be formed in the plurality of fixing parts 187 in a direction in which the support member 180 is coupled.
- the guide surface 188 In order to guide the edge of the groove portion 134 by the guide surface 188 so that the body 182 can be more easily coupled to the groove portion 134, the guide surface 188 has a front side fixing portion 187. It is formed on the rear surface and the rear side fixing part 187 is formed on the front surface.
- a support surface 185 capable of supporting the third circuit board 150 is formed in front of the support part 184 .
- the support part guide surface 186 inclined in the direction in which the support part 184 is fitted to the groove part 134 may be formed in front of the support part 184 .
- the support part guide surface 186 is the rear surface of the third circuit board 150 when the support member 180 is replaced in a state in which the first circuit board 130 and the third circuit board 150 are spaced apart and fixed. Even if this portion is sagged, the support member 180 may be coupled to the groove portion 134 by guiding the rear surface of the third circuit board 150 . Accordingly, the user can easily replace or combine the support member 180 without removing the third circuit board 150 .
- the support member 180 of the electric motor driving apparatus 100 may further include a protrusion 183 .
- the projection 183 is formed on the side of the body (182). For example, it may be formed to protrude from the left and right side surfaces. At this time, there is no limit to the number or shape of the protruding protrusions 183 .
- a seating groove 135 is formed on the inner circumferential surface of the groove portion 134 to correspond to the position where the protrusion 183 of the body 182 is formed.
- the number of seating grooves 135 is formed to correspond to the number of projections, and the shape of the seating grooves 135 corresponds to the shape of the projections 183 so that the projections can be seated in the seating groove.
- 10 is a view showing a state in which the operation module of the electric motor driving apparatus is separated according to an embodiment of the present invention.
- 11 is an enlarged view showing a pressing member of the electric motor driving apparatus according to an embodiment of the present invention.
- 12 is a view showing a state in which the first case of the electric motor driving apparatus is separated according to an embodiment of the present invention.
- the motor driving device includes an operation module 200 to control the motor driving device 100 .
- the operation module 200 is coupled to the front of the second case 110 so that the user can control the electric motor driving device 100 .
- the manipulation module 200 may include a housing 210 , a cover 220 , a fourth circuit board 240 , and a manipulation unit 230 .
- the housing 210 is coupled to the front of the second case 110 .
- the housing 210 is detachably coupled to the front surface of the second case 110 as shown in FIG. 10 , but there is no limitation in the structure to be coupled.
- a cover 220 is disposed on the front side of the housing 210 to form a space therein.
- the cover 220 may cover all or part of the housing.
- the operation unit 230 is disposed on the front side of the cover 220 so that the user can operate the electric motor driving device 100 .
- the manipulation unit 230 may include a button unit, a display unit, and the like.
- the fourth circuit board 240 is disposed in the inner space formed by the cover 220 and the housing 210 .
- the fourth circuit board 240 is connected to the second circuit board 140 so that a user can transmit an electrical signal to the motor driving device 100 through the manipulation unit 230 .
- the fifth connector 146 is provided on the second circuit board 140 of the motor driving apparatus 100 according to an embodiment of the present invention.
- a sixth connector 242 is provided on the fourth circuit board 240 .
- the fifth connector 146 is disposed at an edge opposite to the edge on which the second connector 142 and the fourth connector 144 are disposed.
- the second case 110 has a plurality of first through holes 112 on the front surface so that the fifth connector 146 can be connected to the fourth circuit board 240 without using a separate wire or cable. is formed
- the fifth connector 146 is disposed outside the second case 110 through any one of the plurality of first through holes 112 .
- a plurality of protrusions 145 may be formed on the front side of the second circuit board 140 so that the fifth connector 146 is disposed outside, and the fifth connector 146 . ) may be disposed on any one of the plurality of protrusions 145 .
- the plurality of protrusions 145 penetrate the plurality of first through holes 112 formed in the second case 110 .
- the first through-hole 112 is formed as an elongated hole, and protrusions 145 are induced at both ends so that the first through-hole guide surface 113 can pass through the first through-hole 112 . This is formed
- the user can easily allow the protrusion 145 to penetrate the first through-hole 112 along the first through-hole guide surface 113 even if there is some error.
- the operation module 200 is coupled to the second case 110, the first circuit board 130, In a state in which the second circuit board 140 and the third circuit board 150 are coupled to the first case 120 , the completed motor driving device 100 may be assembled.
- a second through hole 212 is formed in the housing 210 at a position corresponding to the first through hole 112 .
- the shape or number of the second through-holes 212 is formed to correspond to the first through-holes 112 , but the plurality of protrusions 145 pass through the first through-holes 112 .
- the shape or number is not limited.
- a second through-hole guide surface 213 may be formed in the second through-hole 212 like the first through-hole 112 . However, a detailed description thereof will be omitted because it overlaps with the first through-hole guide surface 113 .
- the fifth connector 146 is also disposed in the inner space.
- the sixth connector 242 is disposed on the rear surface of the fourth circuit board 240 and is coupled to the fifth connector 146 inserted into the inner space of the housing 210 .
- the operation module 200 of the electric motor driving apparatus 100 may further include a pressing member 250 .
- the pressing member 250 presses the second circuit board 140 to the rear side, so that the second connector 142 and the fourth connector 144 are firmly coupled to the first connector 132 and the third connector 152 . make it possible To this end, as shown in FIG. 11 , the pressing member 250 may be disposed to face the second connector or the fourth connector with the second circuit board interposed therebetween.
- the pressing member 250 of the electric motor driving apparatus 100 includes a support 252 , an elastic band 254 and a pressing protrusion 256 . can do.
- the support 252 is formed to protrude from the front surface of the housing toward the inner space. At this time, the length protruding from the front surface of the housing is longer than the length in which the protrusion 145 of the second circuit board 140 penetrates the second through hole 212 and is inserted into the inner space of the manipulation module 200 . do.
- one or two elastic bands 254 are protruded from the side of the front end of the support 252 .
- a pressing protrusion 256 is formed to protrude from the rear surface of the front end of the elastic band 254 .
- the elastic band 254 is formed to protrude toward the second through hole 212 so that the pressing protrusion 256 can press the front surface of the protrusion 145 . Accordingly, it is possible to elastically press the front surface of the protrusion 145 through the pressing protrusion 256 .
- the second circuit board 140 is more firmly attached to the second circuit board 140 without a separate screw in the second case 110 in a direction perpendicular to the first surface 125 . can be placed.
- the coupling structure of the motor driving device according to the present embodiment is not applicable only to the motor driving device, and there are at least two or more on the circuit board inside the housing. Those of ordinary skill in the art to which the present invention pertains will clearly understand that it may be used as a device structure that can be easily assembled when disposed.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Description
Claims (14)
- 조작 모듈이 연결되는 전동기 구동 장치에 있어서,제 1 면이 형성되는 제 1 케이스;내부에 수용공간이 형성되고 상기 제 1 케이스의 상기 제 1 면을 커버하도록 형성되며 외부에 상기 조작 모듈이 결합되는 제 2 케이스;상기 제 1 면에 배치되고 일측에 제 1 커넥터를 구비하는 제 1 회로기판;상기 제 2 케이스의 내부에 배치되고 상기 제 1 커넥터에 전기적으로 연결되는 제 2 커넥터를 구비하는 제 2 회로기판;상기 제 1 회로기판과 수직한 상태로 상기 제 2 회로기판의 일측이 끼움 결합되도록 상기 제 1 면으로부터 돌출 형성되는 제 1 고정 부재; 를 포함하는, 전동기 구동 장치.
- 제 1 항에 있어서,상기 제 1 고정 부재는 상기 제 1 면으로부터 돌출되고 소정의 간격으로 이격되어 배치되는 한 쌍의 제 1 지지단; 및 상기 한 쌍의 제 1 지지단의 내측 단부로부터 각각 돌출되는 한 쌍의 제 1 고정 돌기; 를 포함하고,상기 제 2 회로기판의 일측은 상기 한 쌍의 제 1 고정 돌기 사이에 끼움 결합된 상태에서 상기 한 쌍의 제 1 지지단에 의하여 탄성적으로 지지되는, 전동기 구동 장치.
- 제 2 항에 있어서,상기 한 쌍의 제 1 고정 돌기에는 상기 제 2 회로기판의 일측을 상기 한 쌍의 제 1 고정 돌기의 사이로 유도하도록 제 1 가이드면이 형성되는, 전동기 구동 장치.
- 제 1 항에 있어서,상기 제 2 회로기판의 타측이 끼움 결합되도록 상기 제 2 케이스 내부에 상기 제 1 면에 대향하여 형성되는 제 2 면으로부터 돌출 형성되는 적어도 하나의 제 2 고정 부재; 를 더 포함하고,상기 제 2 고정 부재는 상기 제 2 면으로부터 돌출되고 소정의 간격으로 이격되어 배치되는 한 쌍의 제 2 지지단; 및 상기 한 쌍의 제 2 지지단의 내측 단부로부터 각각 돌출되는 한 쌍의 제 2 고정 돌기; 를 포함하고,상기 제 2 회로기판의 타측은 상기 한 쌍의 제 2 고정 돌기 사이에 끼움 결합된 상태에서 상기 한 쌍의 제 2 지지단에 의하여 탄성적으로 지지되는, 전동기 구동 장치.
- 제 4 항에 있어서,상기 한 쌍의 제 2 고정 돌기에는 상기 제 2 회로기판의 타측을 상기 한 쌍의 제 2 고정 돌기 사이로 유도하도록 제 2 가이드면이 형성되는, 전동기 구동 장치.
- 제 1 항에 있어서,상기 제 1 회로기판과 소정의 간격으로 이격되어 배치되고 일측에 제 3 커넥터를 구비하는 제 3 회로기판; 을 더 포함하고,상기 제 2 회로기판은 상기 제 3 커넥터에 전기적으로 연결되는 제 4 커넥터를 더 구비하고,상기 제 1 커넥터와 상기 제 2 커넥터 및 상기 제 3 커넥터와 상기 제 4 커넥터는 상기 제 1 면에 수직한 방향으로 가압하여 결합하도록 형성되고,상기 제 4 커넥터가 상기 제 3 커넥터에 결합 시 상기 제 3 회로기판을 지지하도록 상기 제 3 회로기판을 사이에 두고 상기 제 3 커넥터와 대향하여 배치되는 지지 부재; 를 더 포함하는, 전동기 구동 장치.
- 제 6 항에 있어서,상기 제 1 회로기판은 상기 제 3 회로기판 상의 상기 제 3 커넥터의 위치와 대응되는 위치에 형성되는 홈부; 를 구비하고,상기 지지 부재는 상기 홈부에 끼움 결합되는 몸체; 상기 몸체의 일면으로부터 돌출되어 선단면이 상기 제 3 회로기판을 지지하는 적어도 하나의 지지부; 및 상기 홈부의 테두리부의 양면을 지지하도록 상기 몸체의 측면으로부터 돌출되는 복수의 고정부; 를 포함하는, 전동기 구동 장치.
- 제 7 항에 있어서,상기 지지 부재는 상기 몸체의 측면으로부터 돌출 형성되는 복수의 돌기; 를 더 포함하고,상기 홈부의 내주면에는 상기 몸체가 상기 홈부로부터 이탈되는 것을 방지하도록 상기 복수의 돌기가 안착되는 복수의 안착홈이 형성되는, 전동기 구동 장치.
- 제 7 항에 있어서,상기 복수의 고정부에는 상기 테두리부를 상기 복수의 고정부 사이로 유도하도록 지지부 가이드면이 형성되는, 전동기 구동 장치.
- 제 1 항 또는 제 6 항에 있어서,상기 제 2 회로기판은 타측으로부터 돌출 형성되는 복수의 돌출부; 및 상기 복수의 돌출부 중 어느 하나에 배치되는 제 5 커넥터; 를 포함하고,상기 제 2 케이스에는 상기 복수의 돌출부가 상기 제 2 케이스를 관통하여 외부에 배치되도록 상기 제 1 면에 대향하는 상기 제 2 케이스의 내부면에 연장 형상되는 복수의 제 1 관통홀이 구비되고,상기 조작 모듈은 상기 제 1 면의 이면에 결합되고 상기 복수의 제 1 관통홀에 대응되는 위치에 형성되는 복수의 제 2 관통홀을 구비하는 하우징; 상기 하우징에 결합하여 내부 공간을 형성하는 커버; 상기 내부 공간에 배치되는 제 4 회로기판; 및 상기 제 4 회로기판의 일측에 구비되어 상기 하우징이 상기 제 2 케이스에 결합함에 따라 상기 제 5 커넥터에 전기적으로 결합되는 제 6 커넥터를 포함하는, 전동기 구동 장치.
- 제 10 항에 있어서,상기 관통홀의 길이 방향 양단에는 상기 돌출부가 상기 관통홀로 유도되도록 제 1 관통홀 가이드면이 형성되는, 전동기 구동 장치.
- 제 10 항에 있어서,상기 제 2 회로기판이 상기 제 1 면 측으로 가압되도록 상기 돌출부의 선단면을 탄성적으로 가압하는 적어도 하나의 가압 부재; 를 더 포함하는, 전동기 구동 장치.
- 제 12 항에 있어서,상기 가압 부재는 상기 제 2 회로기판을 사이에 두고 상기 제 2 커넥터 또는 상기 제 4 커넥터와 대향하여 배치되는, 전동기 구동 장치.
- 제 12 항에 있어서,상기 가압 부재는 상기 하우징으로부터 상기 내부 공간 측으로 돌출되는 지지대; 상기 지지대의 측면으로부터 상기 제 2 관통홀 측으로 돌출되는 탄성대; 상기 탄성대로부터 상기 돌출부의 선단면을 가압하는 가압돌기; 를 포함하는, 전동기 구동 장치.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18/282,964 US20240171047A1 (en) | 2021-03-25 | 2021-11-25 | Electric motor drive device |
CN202180096321.4A CN117083789A (zh) | 2021-03-25 | 2021-11-25 | 电动机驱动装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2021-0039165 | 2021-03-25 | ||
KR1020210039165A KR102548248B1 (ko) | 2021-03-25 | 2021-03-25 | 전동기 구동 장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022203156A1 true WO2022203156A1 (ko) | 2022-09-29 |
Family
ID=83397521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2021/017491 WO2022203156A1 (ko) | 2021-03-25 | 2021-11-25 | 전동기 구동 장치 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20240171047A1 (ko) |
KR (1) | KR102548248B1 (ko) |
CN (1) | CN117083789A (ko) |
WO (1) | WO2022203156A1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102553727B1 (ko) * | 2023-05-25 | 2023-07-10 | 김상환 | 인버터 장치 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6339988U (ko) * | 1986-08-29 | 1988-03-15 | ||
JPH089653A (ja) * | 1994-06-16 | 1996-01-12 | Hitachi Ltd | インバータ装置 |
JPH1075030A (ja) * | 1996-08-31 | 1998-03-17 | Omron Corp | 配線基板構造 |
KR20020047878A (ko) * | 2000-12-14 | 2002-06-22 | 윤종용 | 인쇄회로기판 고정장치 |
JP2019195253A (ja) * | 2018-05-02 | 2019-11-07 | エルエス産電株式会社Lsis Co., Ltd. | 電動機駆動装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102213128B1 (ko) | 2019-02-25 | 2021-02-05 | 엘에스일렉트릭(주) | 전동기 구동장치 |
-
2021
- 2021-03-25 KR KR1020210039165A patent/KR102548248B1/ko active IP Right Grant
- 2021-11-25 WO PCT/KR2021/017491 patent/WO2022203156A1/ko active Application Filing
- 2021-11-25 CN CN202180096321.4A patent/CN117083789A/zh active Pending
- 2021-11-25 US US18/282,964 patent/US20240171047A1/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6339988U (ko) * | 1986-08-29 | 1988-03-15 | ||
JPH089653A (ja) * | 1994-06-16 | 1996-01-12 | Hitachi Ltd | インバータ装置 |
JPH1075030A (ja) * | 1996-08-31 | 1998-03-17 | Omron Corp | 配線基板構造 |
KR20020047878A (ko) * | 2000-12-14 | 2002-06-22 | 윤종용 | 인쇄회로기판 고정장치 |
JP2019195253A (ja) * | 2018-05-02 | 2019-11-07 | エルエス産電株式会社Lsis Co., Ltd. | 電動機駆動装置 |
Also Published As
Publication number | Publication date |
---|---|
CN117083789A (zh) | 2023-11-17 |
US20240171047A1 (en) | 2024-05-23 |
KR20220133706A (ko) | 2022-10-05 |
KR102548248B1 (ko) | 2023-06-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100332509B1 (ko) | 인버터 | |
WO2022203156A1 (ko) | 전동기 구동 장치 | |
WO2013125748A1 (ko) | 음각구조를 이용한 전지셀 케이스 | |
WO2020145608A1 (en) | Arrangement for plug connecting electrical connections | |
WO2018044108A1 (ko) | 카메라 모듈 및 차량용 카메라 | |
WO2021010556A1 (ko) | 태양광 모듈이 장착 가능한 루버 조립체 | |
WO2020036352A1 (en) | Adapter | |
WO2011037370A2 (en) | Heat-dissipating apparatus and illuminator using the same | |
WO2020105827A1 (ko) | 전기 자동차의 동력 장치 | |
KR20140117261A (ko) | 모터 구동 장치 | |
WO2021137373A1 (en) | Pcb assembly structure for electronic appliance | |
WO2022131609A1 (ko) | 전자제어장치가 구비된 전자기기 | |
WO2022092821A1 (ko) | 직류 컨버터를 포함하는 수소 연료 전지 차량 및 이의 제어 방법 | |
WO2020101073A1 (ko) | 배터리 모듈 | |
WO2022131685A1 (ko) | 커넥터 모듈 및 이를 포함하는 컨버터 | |
WO2022203155A1 (ko) | 인버터 장치 | |
WO2024117832A1 (ko) | 전력변환장치 | |
WO2024117833A1 (ko) | 전력변환장치 | |
WO2020085744A1 (ko) | 모터 | |
WO2022131767A1 (ko) | 전자부품 모듈 및 이를 포함하는 전원공급장치 | |
WO2024048950A1 (ko) | 디스플레이 장치 | |
WO2024090731A1 (ko) | 커넥터용 가이드부재 및 이를 포함하는 커넥터 | |
WO2022220510A1 (ko) | 공기 압축기 | |
WO2024034955A1 (ko) | 브라켓, 전자장치 및 자동차 | |
WO2022149835A1 (ko) | 전자부품 모듈 및 이를 포함하는 전원공급장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21933383 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 18282964 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202180096321.4 Country of ref document: CN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 21933383 Country of ref document: EP Kind code of ref document: A1 |