CN109936967A - Control device of electric motor - Google Patents
Control device of electric motor Download PDFInfo
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- CN109936967A CN109936967A CN201811554661.3A CN201811554661A CN109936967A CN 109936967 A CN109936967 A CN 109936967A CN 201811554661 A CN201811554661 A CN 201811554661A CN 109936967 A CN109936967 A CN 109936967A
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- cooling fin
- flow path
- control device
- electric motor
- notch
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Abstract
The present invention provides a kind of control device of electric motor for having cooling fin, and the part being configured at around cooling fin is inhibited to become high temperature.Control device of electric motor (1) is formed with radiating part (2) on the frame (10) for being fixed with first substrate (40) and the second substrate (50), and radiating part (2) has multiple cooling fins (30), is formed between adjacent cooling fin (30) and (Y) extends along the vertical direction first flow path (33) and the second flow path (60) intersected with first flow path (33).Second flow path (60) is the flow path along guide plate (62), above-mentioned guide plate (62) configuration extends in the notch (61) being formed on cooling fin (30), and along the direction intersected with first flow path (33).Wind deflector (62) is formed in the first cover member (21) for being fixed on frame (10).Second flow path (60) is connected to the space (S) of the side (+Z direction) for the orientation (Z-direction) for being located at cooling fin (30) relative to radiating part (2), and blows cooling wind to the first heater (5) for being configured at the space S.
Description
Technical field
The present invention relates to a kind of control device of electric motor for having the cooling fin for cooling down heater.
Background technique
The electronic equipments such as DC-to-AC converter or servo amplifier have the heater for becoming high temperature in circulating current, because
This, has cooling heat-dissipating structure.The servo amplification for having cooling fin and cooling fan is disclosed in patent document 1
Device.In patent document 1, the heat for regenerating resistance cooling fin is transmitted to radiate.The air for being inhaled into fan passes through heat dissipation
It flows between piece, is released to the over and under of servo amplifier.
Existing technical literature
Patent document
Patent document 1: Japanese Patent Laid-Open 2012-138485 bulletin
Summary of the invention
The technical problems to be solved by the invention
The heat that heater generates is passed to cooling fin by the cooling construction of cooling fin, is blown along cooling fin to radiate.Cause
This, has that the part being configured at around cooling fin is exposed to hankering for cooling fin.In particular, matching around cooling fin
In the case where being equipped with heater, there are problems that easily becoming high temperature due to the heat from cooling fin is transmitted to heater.
In view of the above problems, technical problem of the invention is, the part being configured at around cooling fin is inhibited to become high
Temperature.
Technical solution used by solving the problems, such as
In order to solve the above technical problem, the present invention provides a kind of control device of electric motor, includes and have motor control
The circuit substrate of circuit processed, have by the frame of radiating part made of multi-disc fin array, towards the cooling fin blow
Fan, the control device of electric motor are characterized in that the radiating part has first be formed between adjacent cooling fin
Flow path and the second flow path intersected with the first flow path, the second flow path are the flow path along wind deflector, the wind deflector
Configuration connect in the notch for being formed in the cooling fin or with the edge of the notch, and edge intersects with the first flow path
Direction extends, and the second flow path and the space of the side for the orientation for being located at the cooling fin relative to the radiating part connect
It is logical.
According to the present invention, wind deflector, which is configured at the notch for being formed in cooling fin or is connected to, is formed in lacking for cooling fin
Mouthful, and be formed with second flow path along wind deflector, above-mentioned second flow path and the air-supply being formed between cooling fin it is first-class
Road intersects.By the way that this wind deflector is arranged, the direction for the cooling wind for being sent into first flow path can be made to be converted by wind deflector, and towards with
The direction flowing that first flow path is intersected, and given to the space of the side for the orientation for being located at cooling fin relative to radiating part
Out.Therefore, because the part around radiating part can be sent to a part for being blown into the cooling wind of first flow path, so can
Cool down cooling wind directly with the part collision around radiating part, therefore, the part being able to suppress around radiating part becomes
High temperature.Thereby, it is possible to inhibit life of product to shorten because of heat, and the upper limit of use environment temperature can be set to higher.
In the present invention, it is generally desirable to, have the first heater for being installed in the circuit substrate, the second flow path phase
The radiating part is connected to the side where first heater.In this way, because the sky of first flow path can be will be fed into
A part of gas is sent to the first heater, so being able to suppress the first heater becomes high temperature.
In the present invention, it is generally desirable to, the notch is shape by a part of notch of the short transverse of the cooling fin
At.In this way, wind deflector is only configured at a part of the short transverse of first flow path.Therefore, it is able to suppress in short transverse
The cooling wind of remainder flowing is spread from first flow path, therefore, is able to suppress the reduction of cooling efficiency, be can be carried out efficiently
It is cooling.In addition, by the height of the depth and wind deflector that adjust notch, so as to cold in first flow path and second flow path
But the flow of wind is adjusted.
In the present invention, it is generally desirable to, being dissipated comprising being located near the described of the side in multiple cooling fins
More than two cooling fins of backing are formed with the notch, and more than two notches are along with towards the side
And arranged towards the direction in the downstream side of the air supply direction of the fan, the wind deflector is in the institute being arranged with more than described two
In the range of stating notch, edge obliquely extends with towards the side towards the direction in the downstream side.In this way, passing through court
The direction extended to wind deflector arranges notch, also may be used without increasing notch.Therefore, it is able to suppress the surface area of cooling fin
Reduce, so as to inhibit the reduction of cooling efficiency.
In such a case, it is desirable to the edge in the downstream side of the described two above notches of connection
Second imagination at the edge of the upstream side of the air supply direction of the first imaginary line and the described two above notches of connection
Line is substantially parallel, and the wind deflector is extended roughly in parallel with first imaginary line and second imaginary line.In such manner, it is possible to
Notch is set as minimal size.Therefore, it is able to suppress the reduction of the surface area of cooling fin, so as to inhibit cooling effect
The reduction of rate.
In the present invention, it is generally desirable to, have the cover member for being fixed on the frame, the cover member has plate-like portion,
The plate-like portion opposed with the cooling fin in the orthogonal short transverse of the extending direction of the cooling fin and orientation,
The wind deflector is prominent from the plate-like portion to the cooling fin side.In such manner, it is possible to inhibit cold by the plate-like portion of cover member
But wind is spread from first flow path.Therefore, it can be improved cooling efficiency.In addition, by the way that cover member is installed on frame, so as to
Wind deflector is set to suitable position, therefore, the setting of wind deflector is relatively easy to.In addition, without fixation member is used, institute
To be able to suppress the increase of number of parts.
In the present invention, it is generally desirable to, the fan is relative to the fin arrangement in the extension of the first flow path
The side in direction, the notch are formed in the position that the fan side is leaned on than the center of the extending direction of the cooling fin
It sets.In this way, because air can sent out close to a side of fan to second flow path, it can be in cooling wind from first flow path
Cooling wind is set to carry out direction conversion by wind deflector before diffusion.Therefore, even if the area of wind deflector is small, it can also ensure that second
The flow of flow path.In addition, second flow path can be conducted into before cooling wind diffusion and be sent to target site.
In the present invention, it is generally desirable to, the radiating part has the cooling fin forming portion of plate and from the cooling fin shape
At portion's multiple cooling fins outstanding, the configuration of the second heater is prominent relative to the cooling fin forming portion and the cooling fin
The opposite side in side out.In such manner, it is possible to efficiently cool down the second heater by cooling fin.
In the present invention, it is generally desirable to, have the regeneration resistance connecting with the circuit substrate, the regeneration resistance is opposite
It is located at the opposite side with the side in the radiating part.In this way, because resistance configuration will be regenerated in far from the first fever
The position of body, so heat is not easy to be passed between the first heater and regeneration resistance.Therefore, it is able to suppress the hair of regeneration resistance
The temperature of first heater caused by heat rises, the temperature of regeneration resistance caused by the fever of the first heater rises.
In the present invention, it is generally desirable to, the frame has and the radiating surface of the cooling fin back that separate gap opposed
Panel, the regeneration resistance configuration are configured in the gap of the backplate and the radiating surface in the regeneration electricity
The spaced apart at gaps of resistance and the cooling fin forming portion.In such manner, it is possible to will regeneration resistance configuration in not done with second flow path
The position related to, so as to inhibit the heat for regenerating resistance to be transmitted to the cooling wind by second flow path.In addition, being able to suppress configuration
The reduction of heat dissipation area caused by resistance is regenerated, so as to inhibit the reduction of cooling efficiency.In addition, because heat is in cooling fin shape
It is not easy to be passed between portion and regeneration resistance, so being able to suppress the temperature of the second heater caused by the fever of regeneration resistance
Rise, the temperature of regeneration resistance caused by the fever of the second heater rises.
Invention effect
According to the present invention, wind deflector is configured at the notch for being formed in cooling fin, and is formed with second flow path along wind deflector, institute
It states second flow path and the first flow path for the air-supply being formed between cooling fin is intersected.By the way that this wind deflector is arranged, so as to
Direction conversion is enough carried out by the air that wind deflector will be fed into first flow path, makes and it is flowed to the direction intersected with first flow path
It is dynamic, and pass out to the space for being located at the side of orientation of cooling fin relative to radiating part.Therefore, because can will be blown into
A part of the air of first flow path is blowed towards the part around radiating part, so cooling wind can be made to encounter around radiating part
Part directly cooled down, therefore, the part being able to suppress around radiating part becomes high temperature.Therefore, it is able to suppress the product longevity
Life shortens because of heat, and can be set to the upper limit of use environment temperature higher.
Detailed description of the invention
Fig. 1 is the perspective view that control device of electric motor of the invention is applied from rear ramp side.
Fig. 2 is the exploded perspective view of the control device of electric motor of Fig. 1.
Fig. 3 is the perspective view for the frame that side observation obliquely from the front is fixed with regeneration resistance, first substrate and the second substrate.
Fig. 4 is the cross-sectional view (the A-A cross-sectional view of Fig. 1) of the control device of electric motor of Fig. 1.
Fig. 5 is the perspective view of the first cover member from inside.
Fig. 6 is the explanatory diagram for regenerating the mounting structure that resistance and fan are installed on frame.
Fig. 7 is the side view for being fixed with the frame of regeneration resistance, first substrate and the second substrate.
Fig. 8 is the cross-sectional view (the B-B cross-sectional view of Fig. 1) of the control device of electric motor of Fig. 1.
Description of symbols
1 ... control device of electric motor, 2 ... radiating parts, 3 ... fans, 5 ... first heaters, 6 ... second heaters, 7 ... are again
Raw resistance, 8 ... fixation members, 9 ... fixing screws, 10 ... frames, 11 ... frame bodies, 12 ... backplates, 13 ... cooling fin shapes
At portion, 14 ... upper frames, 15 ... lower frames, 16 ... frame portions, 19 ... hooks, 20 ... cover members, 21 ... first cover members, 22 ... second
Cover member, 23 ... third cover members, 26 ... heat release holes, 30 ... cooling fins, the first cooling fin of 30A ..., the second cooling fin of 30B ...,
30C ... third cooling fin, the 4th cooling fin of 30D ..., the 5th cooling fin of 30E ..., the 6th cooling fin of 30F ..., 30G ... the 7th radiate
Piece, 32 ... recess portions, 33 ... first flow path, 34 ... radiating surfaces, 35 ... notches, 36 ... screw holes, 37 ... wall thickness, 38 ... wirings are used
Gap slot, 39 ... wiring notch sections, 40 ... first substrates, 41 ... notches, 50 ... the second substrates, 60 ... second flow paths, 61 ...
Notch, 62 ... wind deflectors, 81 ... first fixed parts, 82 ... second fixed parts, 83 ... fixation holes, 121 ... fixation holes, 122 ... lack
Mouth, 123 ... through holes, 141,151 ... boss portions, 211 ... right side plate portions, 212 ... upper plate portions, 213 ... base plates, 214,
215 ... connecting holes, 216 ... plate-like portions, 219 ... recess portions, 221 ... left plate portions, 222 ... upper plate portions, 223 ... base plates, 224,
225 ... connecting holes, 228 ... air inlet forming portions, 229 ... recess portions, 231 ... front panel portions, 232 ... upper plate portions, 233 ... base plates,
234 ... right side plate portions, 235 ... left plate portions, 236 ... hooks, the gap D ..., the first imaginary line of LA ..., the second imaginary line of LB ..., S ...
The space of the front side of radiating part, X ... width direction, Y ... up and down direction, Z ... front-rear direction
Specific embodiment
Hereinafter, being described with reference to apply the embodiment of control device of electric motor of the invention.Present embodiment
Control device of electric motor is the servo amplifier for controlling servomotor.
Fig. 1 is the perspective view that control device of electric motor 1 of the invention is applied from rear ramp, and Fig. 2 is the electronic of Fig. 1
The exploded perspective view of machine control device 1.In the present specification, these three directions XYZ are mutually orthogonal directions.Hereinafter, at this
In specification, example when control device of electric motor 1 is arranged as up and down direction using Y-direction is illustrated, but electricity of the invention
Motivation control device 1 is not limited to use under the setting posture that Y-direction is set as up and down direction.
In the present specification, X-direction is the width direction (left and right directions) of control device of electric motor 1, and Y-direction is motor
The up and down direction of control device 1, Z-direction are the front-rear directions of control device of electric motor 1.In addition, " left side " on left and right directions and
When " right side " is the control device of electric motor 1 from front-surface side " left side " and " right side ".The side (right side) of X-direction is indicated with+X,
The other side (left side) is indicated with-X, the side (upside) of Y-direction is indicated with+Y, the other side (downside) is indicated with-Y, with+Z table
The side (front side) for showing Z-direction indicates the other side (rear side) with-Z.
As shown in Figure 1, control device of electric motor 1 is rectangular-shape as a whole.Control device of electric motor 1, which has, to be configured at
The frame 10 of the substantial middle of width direction X and the cover member 20 being fixed on frame 10.Cover member 20, which has, is configured at frame
First cover member 21 on 10 right side (+X direction), be configured at frame 10 left side (-X direction) the second cover member 22 and match
It is placed in the third cover member 23 of the front side (+Z direction) of frame 10.As shown in Fig. 2, control device of electric motor 1, which has, is configured at
The first substrate 40 of the inside of one cover member 21 and be configured at the second cover member 22 inside the second substrate 50.First substrate 40
And the second substrate 50 is fixed on frame 10.
(frame)
Fig. 3 is the vertical of the frame 10 that side observation obliquely from the front is fixed with regeneration resistance 7, first substrate 40 and the second substrate 50
Body figure.As shown in Figure 2 and Figure 3, frame 10 has the plate of the substantial middle for the width direction X for being configured at control device of electric motor 1
Frame body 11 and the rectangle set on the rear end (end of -Z direction) of frame body 11 backplate 12.Frame body 11
Has the cooling fin forming portion 13 being connected with backplate 12, from the upper end (end of +Y direction) of cooling fin forming portion 13 and lower end
(end of -Y direction) upper frame 14 that respectively forwardly side (+Z direction) extends and lower frame 15 (referring to Fig. 6).
The cooling fin 30 that Y extends along the vertical direction is formed on frame body 11.The frame 10 of present embodiment
It is formed by the good metal of the thermal conductivity such as aluminium.Therefore, it can be improved the heat dissipation effect of cooling fin 30.In addition, since aluminium processability is good,
So cooling fin 30 easy to form.The front side (+Z direction) of the overleaf plate 12 of cooling fin 30 is along Z-direction with the pitch of constant
It is arranged with multiple.The cooling fin forming portion 13 of cooling fin 30 from frame body 11 is prominent to the right (+X direction).Cooling fin 30 and
Cooling fin forming portion 13 constitutes the radiating part 2 for making the hot efficiently loss generated in control device of electric motor 1.
In the downside (-Y direction) of radiating part 2 configured with cooling fan 3.It is formed with and is used on frame body 11
The frame portion 16 (referring to Fig. 4, Fig. 6) of fan 3 is installed.Frame portion 16 is set to the downside (-Y direction) of radiating part 2.Fan 3 is from downside
(-Y direction) air-breathing blows cooling wind towards radiating part 2.In radiating part 2, is formed between the cooling fin 30 of Yu Xianglin
One flow path 33.First flow path 33 along the vertical direction Y linearly to extend.The lower end of first flow path 33 and the side of configuration fan 3
Connection.In addition, the upper end of first flow path 33 is open (referring to Fig.1) in the upper surface of control device of electric motor 1.Therefore, from fan 3
The cooling wind for being sent into radiating part 2 is released by first flow path 33 to the upside (+Y direction) of control device of electric motor 1.
First substrate 40 be screwed to respectively from upper frame 14 and lower frame 15 to +X direction boss portion 141 outstanding,
151 (referring to Fig. 5).Equally, the second substrate 50 is screwed to outstanding to -X direction from upper frame 14 and lower frame 15 respectively
Boss portion.Fig. 4 is the cross-sectional view (sectional stereogram of the position A-A of Fig. 1) of the control device of electric motor of Fig. 1.As shown in figure 4,
The second substrate 50 is abutted from -X direction side with cooling fin forming portion 13, and is screwed to cooling fin forming portion 13.
As shown in Figure 1, a side in the corner at two positioned at diagonal position is formed with fixation hole overleaf on plate 12
121, jagged 122 are formed in another party.Fixation hole 121 is formed in the left side (- X at upside (+Y direction) edge of backplate 12
Direction) corner.In addition, notch 122 is formed in the angle on the right side (+X direction) at downside (-Y direction) edge of backplate 12
Portion.It, can be fixed by backplate 12 at the two of diagonal position by the way that fixing screws are anchored on fixation hole 121 and notch 122
In bearing part.Thereby, it is possible to control device of electric motor 1 is fixed on bearing part via backplate 12.
(cover member)
The front surface of control device of electric motor 1 is made of third cover member 23.It is set in the front surface of control device of electric motor 1
There are connector portion (not shown), the portion of terminal of input and output.Third cover member 23 has the opening for being equipped with configuration connector portion
Portion or cover portion of terminal open-close lid front panel portion 231, connect with the edge of the +Y direction of front panel portion 231 upper plate portion 232, and
The base plate 233 of the edge connection of the -Y direction of front panel portion 231, front panel portion 231, the edge company with the +X direction of front panel portion 231
The right side plate portion 234 connect, the left plate portion 235 being connect with the edge of the -X direction of front panel portion 231.
Fig. 5 is the perspective view of the first cover member 21 from inside (-X direction).As shown in Fig. 2, Fig. 5, the first cover member
21 have the right side plate portion 211, upper with right side plate portion 211 of the side on the right side (+X direction) for constituting control device of electric motor 1
The upper plate portion 212 of ora terminalis (edge of +Y direction) connection is connect with the lower ora terminalis (edge of -Y direction) in right side plate portion 211
Base plate 213 (referring to Fig. 5).As shown in figure 5, upper plate portion 212 and base plate 213 are set to from the front end of the first cover member 21 to preceding
The part of the half-way of rear direction Z.It is leaned in the right side plate portion 211 of the first cover member 21 than upper plate portion 212 and base plate 213
The part of rear side (-Z direction) constitutes the plate-like portion 216 from right side (+X direction) covering cooling fin 30.As shown in figure 4, cooling fin
30 are projected into the position abutted with plate-like portion 216.Therefore, it is formed in radiating part 2 first-class between adjacent cooling fin 30
It is closed by plate-like portion 216 the +X direction side on road 33.
As shown in figure 5, forming oriented side (-X direction) wind-guiding outstanding configured with cooling fin 30 in plate-like portion 216
Plate 62.Wind deflector 62 along relative to up and down direction Y and the inclined direction front-rear direction Z linearly to extend.About wind deflector 62
Effect, be described later on.
As shown in Fig. 2, the second cover member 22 has the side in the left side (-X direction) for constituting control device of electric motor 1
Left plate portion 221, the upper plate portion 222 being connect with the upper edge (edge of +Y direction) in left plate portion 221 and with left plate portion
The base plate 223 of 221 lower ora terminalis (edge of -Y direction) connection.Covering wind is formed in the part of the rear side of base plate 223
The air inlet forming portion 228 of the downside of fan 3.
The top surface (face of +Y direction) of control device of electric motor 1 is by frame 10, the upper plate portion 212 of the first cover member 21 and
Upper plate portion 222, the upper plate portion 232 of third cover member 23 of two cover members 22 are constituted.Heat release hole is formed in upper plate portion 212,222
26.Heat release hole 26 is long long hole on width direction X, is arranged on front-rear direction Z.In addition, the bottom of control device of electric motor 1
Face is by frame 10, the bottom of the base plate 223 of the base plate 213 of the first cover member 21 and the second cover member 22, third cover member 23
Plate portion 233 is constituted.In base plate 213,223, heat release hole 26 is likewise formed with upper plate portion 212,222.Motor Control dress
1 inner space is set to be connected to via the heat release hole 26 for being formed in the first cover member 21 and the second cover member 22 with outside.
As shown in Figure 1 and Figure 2, on upper frame 14, along Z-direction it is separated three at be formed with hook 19.First cover member 21
Upper plate portion 212 have for center hook 19 engage connecting hole 214.In addition, the upper plate portion 222 of the second cover member 22 has confession
The connecting hole 224 that the hook 19 at other two in addition to the hook 19 in center engages.At the bottom of lower frame 15 and the first cover member 21
Same hook machine is also formed between plate portion (diagram is omitted) and between lower frame 15 and the base plate 223 of the second cover member 22
Structure.The first cover member 21 and the second cover member 22 are fixed on frame 10 using these hook mechanisms.
It is formed in third cover member 23 outstanding from right side plate portion 234 and left plate portion 235 to rear side (-Z direction)
Hook 236.Hook 236 be formed in the first cover member 21 right side plate portion 211 connecting hole 215 and be formed in the second cover member 22
Left plate portion 221 connecting hole 225 engage.Third cover member 23 is fixed to the first cover member 21 and second by the hook mechanism
Cover member 22.In addition, the fixture construction of cover member 20 is also possible to the construction other than hook mechanism.
It is formed with and has with towards rear side (-Z direction) and to downside (- Y in the upper plate portion 222 of the second cover member 22
Direction) inclined inclined surface recess portion 229.The fixation hole 121 for being formed in backplate 12 is configured at the inside of recess portion 229, therefore,
The tool of screw threads for fastening can be inserted into recess portion 229, and fixation hole will be inserted into from the front side of backplate 12 (+Z direction)
121 fixing screws are threadably secured.In addition, same, overleaf the front side (+Z direction) of the notch 122 of plate 12 is formed with recessed
Portion 32, the recess portion 32 are formed by the end face of downside (-Y direction) and the side of frame portion 16 of cooling fin 30 (referring to Fig. 6).It is formed
It is continuous in the recess portion 32 of cooling fin 30 and the recess portion 219 (referring to Fig. 5) for the base plate 213 for being formed in the first cover member 21.Therefore,
It can be inserted into the tool of screw threads for fastening in recess portion 219 and recess portion 32, will be inserted into from the front side (+Z direction) of backplate 12
The fixing screws screw threads for fastening of the notch 122 of backplate 12.
(heater)
First substrate 40 and the second substrate 50 are equipped with the circuit substrate of electronic component.First substrate 40 is that control is used
Substrate, based on watching via the connector portion being set in third cover member 23 from externally input control command and from being installed in
The signal for taking the encoder on motor supplies driving signal to the second substrate 50.The second substrate 50 is actuator substrate.?
The circuit pattern and electronic component for constituting servomotor control circuit, servomotor control are installed on two substrates 50
Circuit is used for driving signal of the correspondence from first substrate 40 and generates U phase, V phase, the alternating current of W phase and general from source current
It is supplied to servomotor.
Control device of electric motor 1 has the first heater 5 and the second heater 6 for the inside for being configured at cover member 20.The
One heater 5 and the second heater 6 are the electronic components for constituting servomotor control circuit.Servomotor control circuit
Have the rectification circuit that the source current supplied from AC power source is rectified, the capacitor being connected with the rectifying circuit, with electricity
The phase inverter of container connection.First heater 5 is capacitor, is installed in the second substrate 50.As shown in Fig. 2, being configured at
Lacking the end cut of 30 side of cooling fin (-Z direction) is formed on the first substrate 40 of the front side (+Z direction) of cooling fin 30
Mouth 41.First heater 5 is configured at the front side (+Z direction) of cooling fin 30, and is configured in the notch 41 of first substrate 40.
Second heater 6 is the igbt transistor for constituting phase inverter.In addition, the second heater 6 is also possible to paraphase
The IPM (intelligent power module) of circuit modular.As shown in figure 4, the cooling fin forming portion of the second substrate 50 and frame body 11
The face of 13 side (-X direction) opposite with the side outstanding of cooling fin 30 abuts, and the second heater 6 is fixed on the second substrate
50 part abutted with cooling fin forming portion 13.Second heater 6 is configured between the second substrate 50 and the second cover member 22
In gap.The heat generated from the second heater 6 is transmitted to cooling fin 30 via cooling fin forming portion 13, and from the surface of cooling fin 30
Release.In addition, the second heater 6 can also be fixed on cooling fin forming portion 13 directly or via insulating part.
Control device of electric motor 1 has and is installed on the regeneration of the connection of the servomotor control circuit in the second substrate 50
Resistance 7.Regenerating resistance 7 is by the regeneration of the generations such as in the deceleration for the servomotor connecting with servomotor control circuit
Energy is converted into the heater of heat.In the present embodiment, regeneration resistance 7 is configured at the gap of backplate 12 and cooling fin 30
In, and be fixed on cooling fin 30.
(mounting structure of regeneration resistance)
Fig. 6 is the explanatory diagram for regenerating the mounting structure that resistance and fan are installed on frame 10.As shown in figure 5, cooling fin 30
Be arranged on front-rear direction Z it is multiple, and along the vertical direction Y extend.The lower end (end of -Y direction) of each cooling fin 30 is from frame
Portion 16 is prominent to +X direction, positioned at the position more against the top than the lower end of frame portion 16.By the +X direction of frame portion 16 side and it is each dissipate
The lower end surface of backing 30 constitutes height with the recess portion 32 that increases towards 12 side of backplate.In multiple cooling fins 30,
The air-supply path i.e. first flow path 33 that Y extends along the vertical direction is formed between adjacent cooling fin 30.In the present embodiment,
The plate thickness of multiple cooling fins 30 is identical, and the width of the first flow path 33 between adjacent cooling fin 30 is also identical.Each cooling fin 30
Has the radiating surface 34 towards +Z direction and -Z direction.
Hereinafter, the cooling fin 30 in multi-disc cooling fin 30 closest to backplate 12 is set as the first cooling fin 30A.In this reality
It applies in mode, has 6 pieces of cooling fins 30, from the first cooling fin 30A towards front side (-Z direction), be successively set as the second cooling fin
30B, third cooling fin 30C, the 4th cooling fin 30D, the 5th cooling fin 30E, the 6th cooling fin 30F, the 7th cooling fin 30G.The
One cooling fin 30A is the cooling fin farthest away from the first heater 5 being installed in the second substrate 50.In addition, the second cooling fin 30B
It is away from the remote cooling fin of the first heater 5 second.
First cooling fin 30A is configured at closest to the position of backplate 12.It is formed on the first cooling fin 30A from the side+X
To edge towards -X direction notch notch 35.The configuration of resistance 7 is regenerated in notch 35.When removing regeneration resistance 7,
The range for forming jagged 35, the radiating surface 34 and backplate 12 of the second cooling fin 30B near the first cooling fin 30A every
Gap as defined in opening is opposed.Regeneration resistance 7 is configured at the radiating surface 34 and backplate towards -X direction of the second cooling fin 30B
Between 12, and it is fixed on the radiating surface 34 of the second cooling fin 30B.
As shown in figure 4, the notch 35 for being formed in the first cooling fin 30A be by the first cooling fin 30A notch into X-direction
Way position and formed.Therefore, X-direction is formed with being configured between the regeneration resistance 7 of notch 35 and cooling fin forming portion 13
Clearance D.It is fixed in the side opposite with the side for being formed with cooling fin 30 that cooling fin forms 13 via the second substrate 50
Second heater 6.That is, regeneration resistance 7 is configured in itself and part (the cooling fin forming portion for being fixed with the second heater 6
13) air layer is formed between.
Regeneration resistance 7 is fixed on the radiating surface 34 of the second cooling fin 30B via fixation member 8.Fixation member 8 is in regeneration electricity
The both ends of the Y-direction of resistance 7 respectively configure one.Each fixation member 8 is that have the first fixed part 81 of plate and consolidate relative to first
Portion 81 is determined with the bending part of the second fixed part 82 of the connected plate of approximate right angle.First fixed part 81 and regeneration resistance 7
Side abuts, and is fixed on regeneration resistance 7.Second fixed part 82 is abutted with radiating surface 34, is screwed to by fixing screws 9
On second cooling fin 30B.As shown in figure 5, be formed with fixation hole 83 in the second fixed part 82, on the second cooling fin 30B, in
The position that fixation hole 83 is overlapped is formed with screw hole 36.The formation of second cooling fin 30B has the part of screw hole 36 to become plate thickness
The wall thickness 37 bigger than the plate thickness of other parts.Overleaf on plate 12, in the position Chong Die with the screw hole 36 of the second cooling fin 30B
It sets and is formed with through hole 123.Through hole 123 is the hole for being inserted into the tool being threadably secured to fixing screws 9.
On multiple cooling fins 30, it is respectively formed in the position of the installation site (-Y direction) on the lower than regenerating resistance 7
There is wiring notch section 39.The wirings of 7 cooling fins 30 is formed in notch section 39 in the orientation i.e. front and back of cooling fin 30
It is arranged on the Z of direction, constitutes the wiring gap slot 38 that Z extends along the longitudinal direction.The wiring (not shown) being connect with regeneration resistance 7
Configuration is in wiring in gap slot 38.
(cooling construction of second flow path)
In radiating part 2, second flow path 60 is formed in the half-way of the up and down direction Y of cooling fin 30.Second flow path
It is to be converted into the first flow path 33 extended along Y in above-below direction and first towards the direction of the cooling wind of upside (+Y direction)
The direction that flow path 33 intersects, and release to the direction different from first flow path 33 flow path of cooling wind.Second flow path 60 is by forming
It is constituted in the notch 61 on multiple cooling fins 30 and the wind deflector 62 being configured in notch 61 (referring to Fig. 5, Fig. 8).
Fig. 7 is the side view for being fixed with the frame 10 of regeneration resistance 7, first substrate 40 and the second substrate 50.In addition, Fig. 8
The cross-sectional view (the B-B cross-sectional view of Fig. 1) of the control device of electric motor 1 of Fig. 1, indicate radiating part 2 be equipped with wind deflector 62 and
The cross-section structure of the position of notch 61.As shown in figure 5, wind deflector 62 is from the plate-like portion 216 of the first cover member 21 to cooling fin 30
Side is prominent.When the first cover member 21 is installed on frame 10, as shown in figure 8, wind deflector 62 is configured at notch 61.As a result,
The second flow path 60 that cooling wind is flowed along wind deflector 62 is constituted in the inside of notch 61.Second flow path 60 is configured to towards opposite
Cooling wind is blowed in the first heater 5 that radiating part 2 is located at front side (+Z direction).One where the first heater 5 of radiating part 2
Side (+Z direction) is the orientation i.e. side of front-rear direction Z of the cooling fin 30 of radiating part 2.
As shown in Fig. 3, Fig. 7, it is in multiple cooling fins 30, from be located near front side (+Z direction) the 7th cooling fin
On this 5 cooling fins 30 of 30G to third cooling fin 30C, it is respectively formed with the notch 61 that second flow path 60 is used to form at one.At five
Notch 61 is tilted along with towards the side (i.e. +Z direction) configured with the first heater 5 towards the direction of upside (+Y direction)
Arrangement.In first flow path 33, flowed from the cooling wind that fan 3 supplies towards upside (+Y direction).That is, at five notch 61 row
Column direction becomes following direction, i.e., with towards the side (+Z direction) configured with the first heater 5 and towards the air-supply of fan 3
The direction in the downstream side (+Y direction) in direction.
Notch 61 is identical shape at five, from the front end of cooling fin 30 to -X direction with identical height (identical depth
Degree) notch.In addition, the gap width of the up and down direction Y of notch 61 is identical at five, it is in staggered configuration on Y in above-below direction.Such as Fig. 3
Shown, the depth of the -X direction of notch 61 is smaller than the projecting height of the +X direction of cooling fin 30.That is, notch 61 is by front end side
A part of notch formed, rather than by whole notch of the short transverse of cooling fin 30 formed.Therefore, wind deflector 62 is
A part of the short transverse (X-direction) of one flow path 33 blocks a part of cooling wind and converts its direction, but first-class
There are the flow path spaces flowed in cooling wind in above-below direction Y for the bottom (region of the base end part side of cooling fin 30) on road 33.
As shown in fig. 7, notch 61 is on relative to up and down direction Y and the inclined direction front-rear direction Z with linear at five
Arrangement.And the first imaginary line LA at the edge in the downstream side (i.e. +Y direction) of each notch 61 will be linked and link the upper of each notch 61
The the second imaginary line LB for swimming the edge of side (i.e. -Y direction) is parallel, and tilts relative to up and down direction Y and front-rear direction Z.Such as figure
Shown in 8, wind deflector 62 and the first imaginary line LA and the second imaginary line LB configured in parallel.Wind deflector 62 is close to the downstream of each notch 61
The edge of side (+Y direction) configures, and forms gap between the edge of upstream side (-Y direction).As a result, in wind deflector 62
Upstream side (-Y direction) forms the second flow path 60 for flowing cooling wind along wind deflector 62.
Second flow path 60 is along with towards front side (+Z direction) and towards the side of the downstream side of air supply direction (+Y direction)
To inclination, therefore, the cooling wind flowed in second flow path 60 towards the front side (+Z direction) of radiating part 2 space S upside
(+Y direction) region releases.Constitute second flow path 60 notch 61 in, be formed at the near front side (+Z direction) the 7th
Cooling wind discharge port of the notch 61 as second flow path 60 on cooling fin 30G, and the front side (+Z direction) towards radiating part 2
Space S.The space S of the front side of radiating part 2 is the space of the side of the orientation of cooling fin 30, is equipped with the first heater
5 space.That is, second flow path 60 has cooling wind discharge port, above-mentioned cooling wind discharge port and the sky for being configured with the first heater 5
Between be connected to.Cooling wind discharge port (notch 61 for being formed in the 7th cooling fin 30G) is in (the side-Y on the lower than the first heater 5
To) position be open.Therefore, it generates heat from the cooling wind that second flow path 60 is released from the side obliquely downward of the first heater 5 towards first
Body 5 is released.
The fan 3 for blowing cooling wind to radiating part 2 is configured at the downside (-Y direction) of cooling fin 30.In present embodiment
In, second flow path 60 is formed in the center of the up and down direction Y than first flow path 33 on the lower (-Y direction).That is, second flow path 60
It is formed in the position of the upstream side of the air supply direction of cooling wind in first flow path 33, i.e. 3 side of fan.Therefore, second is constituted
The position of 3 side of fan (i.e. -Y direction) is leaned in the center that the notch 61 on road 60 is formed in the up and down direction Y than cooling fin 30.?
In present embodiment, notch 61 arranges on relative to up and down direction Y and the inclined direction front-rear direction Z at five, but whole shapes
Center of the Cheng Yu than the up and down direction Y of cooling fin 30 is on the lower (-Y direction).Therefore, second flow path 60 can be in first flow path
33 upstream side carries out direction conversion to cooling wind and sends out it to the space S of the front side of radiating part 2.
(main effect of present embodiment)
As described above, the control device of electric motor 1 of present embodiment is formed with radiating part 2 on frame 10, radiating part 2 has
It is standby be formed between adjacent cooling fin 30 and along the vertical direction the first flow path 33 of Y extension and intersect with first flow path 33 the
Two flow paths 60.Second flow path 60 is the flow path along wind deflector 62, and above-mentioned wind deflector 62 is configured at the notch for being formed in cooling fin 30
Extend in 61 and along the direction intersected with first flow path 33, second flow path 60 and the row for being located at cooling fin 30 relative to radiating part 2
The space S of the side (+Z direction) of column direction (Z-direction) is connected to.By the way that this wind deflector 62 is arranged, can will be fed into first-class
The cooling wind on road 33 carries out direction conversion by wind deflector 62, so that it is flowed to the direction intersected with first flow path 33, Xiang Xiang
The space S for being located at the side (+Z direction) of the orientation (Z-direction) of cooling fin 30 for radiating part 2 is sent out.Therefore, it can incite somebody to action
A part of the cooling wind blowed to first flow path 33 is blowed towards the part around radiating part 2, so cooling wind can be made straight
It connects the part encountered around radiating part 2 and it is cooled down.Therefore, the part being able to suppress around radiating part 2 becomes high temperature.
As a result, the life of product for being able to suppress control device of electric motor 1 shortens because of heat, further, it is possible to which Motor Control is filled
Set 1 use environment temperature the upper limit be set to it is higher.
In the present embodiment, it is configured in the space S for releasing cooling wind from second flow path 60 and is installed in the second substrate 50
On the first heater 5, so cooling wind can be blowed towards the first heater 5 and directly be cooled down to the first heater 5.
Therefore, it is able to suppress the first heater 5 and becomes high temperature.In addition, in this way, by directly reducing the temperature of the first heater 5, it can
Accumulation is reduced in the heat of frame 10, so can reduce the whole temperature of control device of electric motor 1.
In the present embodiment, the notch 61 of second flow path 60 is constituted by by the short transverse (X-direction) of cooling fin 30
A part of notch and formed.Therefore, wind deflector 62 is only configured at a part of the short transverse (X-direction) of first flow path 33,
So cooling wind to be sent to the upside of wind deflector 62 there are the flow path space that do not covered by wind deflector 62 in first flow path 33.
Therefore, it is able to suppress the reduction of cooling efficiency caused by cooling fin 30.In addition, the cooling wind to circulate in first flow path 33 is
The bottom of one flow path 33 is circulated, so cooling wind can be inhibited to spread from first flow path 33.Therefore, it is able to suppress the drop of cooling efficiency
It is low, it can be carried out efficiently cooling.In addition, by the height of the depth and wind deflector 62 that adjust notch 61, it can be to first-class
The flow of road 33 and the cooling wind in second flow path 60 is adjusted.
In the present embodiment, including the 7th cooling fin for being located at most front side (+Z direction) in multiple cooling fins 30
Jagged 61 are formed on 5 cooling fins 30 including 30G, is formed with second flow path 60 in the range of 5 cooling fins 30.In this knot
In structure, by will be used to form configuration wind deflector 62 space five at notch 61 towards second flow path 60 path direction tilt
Arrangement, so that will not unnecessarily increase the size of notch 61.Therefore, the reduction of the surface area of cooling fin 30, energy are able to suppress
Enough inhibit the reduction of cooling efficiency.In particular, in the present embodiment, using such as flowering structure, that is, linking at five under notch 61
Swim second of the edge of the upstream side (-Y direction) of notch 61 at the first imaginary line LA and connection five at the edge of side (+Y direction)
Imaginary line LB is substantially parallel, and the structure that wind deflector 62 and the first imaginary line LA and the second imaginary line LB are extended roughly in parallel.
Therefore, the width of the X-direction of notch 61 can be minimized, so being able to suppress the reduction of the surface area of cooling fin, is inhibited cold
But the reduction of efficiency.
In the present embodiment, the first cover member 21 for being fixed on frame 10 has the plate-like portion 216 of covering radiating part 2.
Plate-like portion 216 is in the short transverse (X-direction) orthogonal with the extending direction of cooling fin 30 (Y-direction) and orientation (Z-direction)
It is upper opposed with cooling fin 30.Because plate-like portion 216 is abutted with the front end of cooling fin 30, cooling wind is able to suppress from first-class
It spreads on road 33.Therefore, it can be improved cooling efficiency.In addition it is also possible to using between plate-like portion 216 and the front end of cooling fin 30
There are the structures in gap.In addition, the wind deflector 62 of composition second flow path 60 and the first cover member 21 are integrally formed, from plate-like portion
216 is prominent to 30 side of cooling fin.Therefore, by the way that the first cover member 21 is installed on frame 10, so as to which wind deflector 62 is set
It is placed in the appropriate location in the notch 61 of cooling fin 30, therefore, the setting of wind deflector 62 is relatively easy to.In addition, because not needing
Other fixation member is used the case where as by wind deflector 62 as other components, so being able to suppress the increasing of number of parts
Add.
In the present embodiment, due to the position of 3 side of fan by second flow path 60 in first flow path 33, so
Notch 61 is formed in the position of central (-Y direction) on the lower of the up and down direction Y than cooling fin 30.In this way, by connecing
Second flow path 60 is arranged in the side of nearly fan 3, so as to pass through wind deflector 62 before the diffusion of first flow path 33 in cooling wind
Cooling wind is set to carry out direction conversion.Therefore, even if the area of wind deflector is small, the flow of second flow path 60 is also ensured that.In addition, energy
It is enough to be conducted into second flow path 60 before cooling wind diffusion and be sent to target site.
The radiating part 2 of present embodiment has the cooling fin forming portion 13 of plate and outstanding more from cooling fin forming portion 13
A cooling fin 30 is matched in the side (-X direction) opposite with the side outstanding of cooling fin 30 relative to cooling fin forming portion 13
It is equipped with the second heater 6.Therefore, the heat of the second heater 6 can be efficiently discharged by the second cooling fin 30, so can be high
Cooling second heater 6 in effect ground.
In the present embodiment, has the regeneration resistance 7 connecting with the second substrate 50, regeneration resistance 7 is configured at radiating part 2
With configured with side (+Z direction) of the first heater 5 opposite side (-Z direction).In this way, by the way that heater will be used as
Regeneration resistance 7 be configured at the position far from the first heater 5 so that heat is between the first heater 5 and regeneration resistance 7
It is not easy to transmit.Therefore, temperature rising, the first heater 5 of the first heater 5 caused by the fever of regeneration resistance 7 are able to suppress
Fever caused by regeneration resistance 7 temperature rise.
In the present embodiment, backplate 12 is formed on the frame 10 for being formed with radiating part 2.Moreover, regeneration
Resistance 7 is configured in the gap of backplate 12 and cooling fin 30.Therefore, can will regeneration resistance 7 be configured to not with second flow path
60 interfere, so the heat of regeneration resistance 7 is not easy to be transmitted to the cooling wind imported to second flow path 60.Therefore, it is able to suppress
From the reduction of cooling efficiency caused by the cooling wind that second flow path 60 is released.In addition, because in cooling fin forming portion 13 and regeneration
Clearance D is equipped between resistance 7, thus the temperature for being able to suppress the second heater 6 caused by the fever of regeneration resistance 7 rises, the
The temperature of regeneration resistance 7 caused by the fever of two heaters 6 rises.
In addition, being configured with resistance 7 will be regenerated in cooling fin in the configuration as regenerating resistance 7 as the present embodiment
The case where 30 front end side, is compared, and the enlargement of the size of the width direction (X-direction) of control device of electric motor 1 is able to suppress.
In addition, with by 30 notch of multi-disc cooling fin and the case where configure in a manner of connecting with the front end of cooling fin 30 regeneration resistance 7
It compares, the reduction of the surface area of cooling fin 30 is less, so being able to suppress the reduction of heat dissipation effect.In addition, being cut with by backplate
Mouthful and configure regeneration resistance the case where compare, be able to suppress the reduction of the intensity of frame 10.In addition, regeneration resistance 7 be fixed on it is scattered
Backing 30 and backplate 12 any one regeneration resistance 7 is fixed on 30 side of cooling fin but in the present embodiment.?
In this case, the assembly and disassembly operation of regeneration resistance 7 can be carried out from 12 side of backplate.That is, can overleaf be formed on plate 12
Through hole 123, to carry out the assembly and disassembly operation of regeneration resistance 7 from the outside of backplate 12.Thereby, it is possible to improve assembly and disassembly regeneration resistance
Workability when 7 can make maintainability good.
The regeneration resistance 7 of present embodiment is fixed on the radiating surface 34 of the second cooling fin 30B via fixation member 8.Gu
Determine component 8 and has the first fixed part 81 abutted with regeneration resistance 7 and the second fixed part 82 abutted with radiating surface.Therefore, make
Heat for that will regenerate resistance 7 is added to the transmission path via fixation member 8 to the path of the second cooling fin 30B transmitting, so
It can be improved the cooling efficiency of regeneration resistance 7.In addition, the shape of fixation member 8 is not limited to shape as the present embodiment.Example
Such as, the whole fixation member of covering regeneration resistance 7 also can be used to be fixed.Alternatively, it is also possible to be arranged on regeneration resistance 7
Fixation hole is fixed, without the use of fixation member 8.Radiating surface is fixed on by resistance 7 is regenerated alternatively, bonding agent also can be used
On 34.
In the present embodiment, it is formed with wiring notch section 39 on multi-disc cooling fin 30, and is equipped with along cooling fin 30
Orientation, that is, front-rear direction Z extend wiring gap slot 38.It therefore, can be by connection the second substrate 50 and regeneration resistance
7 wiring accommodates and is around wiring gap slot 38.Accordingly, because wiring does not pass around in the outside of frame 10, so energy
The broken string of enough wirings for inhibiting connection the second substrate 50 and regenerating resistance 7.
(other embodiment)
(1) wind deflector 62 can also be formed on cooling fin 30 and is not formed in the first cover member 21.For example, opposite
Each of notch 61 at five be formed on cooling fin 30 can be arranged in a manner of forming equal angular with wind deflector 62
It is connected to the wind deflector at the edge in the downstream side (+Y direction) of each notch 61.
(2) wind deflector 62 can also be set as to the component different from the first cover member 21 and frame 10.
(3) in the above method, notch 61 at five is arranged in wind deflector 62 towards identical angle, but notch 61
Configuration and size be not limited to this mode.
(4) in the above-described embodiment, the first heater 5 is capacitor, and the second heater 6 is igbt transistor, with this
Two heaters are equipped with regeneration resistance 7 seperatedly, but heater is not limited to this combination.Match alternatively, it is also possible to which resistance 7 will be regenerated
It sets in the position of the second heater 6.
Claims (15)
1. a kind of control device of electric motor includes the circuit substrate for having electromotor control circuit, has multi-disc cooling fin
The frame of radiating part made of arrangement, the fan blown towards the cooling fin, the control device of electric motor is characterized in that,
The radiating part have the first flow path being formed between adjacent cooling fin and intersect with the first flow path second
Flow path,
The second flow path is the flow path along wind deflector, wind deflector configuration in the notch for being formed in the cooling fin or
It is connect with the edge of the notch, and along the direction extension intersected with the first flow path, the second flow path and relative to institute
State radiating part be located at the cooling fin orientation side space connection.
2. control device of electric motor according to claim 1, which is characterized in that
Have the first heater for being installed in the circuit substrate,
The second flow path is connected to relative to the radiating part with the side where first heater.
3. control device of electric motor according to claim 1, which is characterized in that
The notch is a part of notch by the short transverse of the cooling fin and is formed.
4. control device of electric motor described in any one of claim 1 to 3, which is characterized in that
More than two heat dissipations comprising being located at the cooling fin near the side in multiple cooling fins
Piece is formed with the notch,
More than two notches are along with towards the side and towards the side in the downstream side of the air supply direction of the fan
To arrangement,
The wind deflector is in the range of the notch being arranged with more than described two, along with the direction towards the side
The direction in the downstream side obliquely extends.
5. control device of electric motor according to claim 4, which is characterized in that
Link first imaginary line at the edge in the downstream side of described two above notches and link it is described two with
On the notch the air supply direction upstream side edge the second imaginary line it is substantially parallel,
The wind deflector is extended roughly in parallel with first imaginary line and second imaginary line.
6. control device of electric motor according to claim 1, which is characterized in that
Have the cover member for being fixed on the frame,
The cover member has plate-like portion, and the plate-like portion is in the height orthogonal with the extending direction of the cooling fin and orientation
It is opposed with the cooling fin on degree direction,
The wind deflector is prominent from the plate-like portion to the cooling fin side.
7. control device of electric motor according to claim 1, which is characterized in that
Relative to the fin arrangement in the side of the extending direction of the first flow path, the notch is formed in the fan
Than the position that the fan side is leaned in the center of the extending direction of the cooling fin.
8. control device of electric motor according to claim 1, which is characterized in that
The radiating part has the cooling fin forming portion of plate and from the cooling fin forming portion multiple cooling fin outstanding,
Second heater is configured at the side opposite with cooling fin side outstanding relative to the cooling fin forming portion.
9. control device of electric motor according to claim 8, which is characterized in that
Have the regeneration resistance connecting with the circuit substrate,
The regeneration resistance is located at the side opposite with the side relative to the radiating part.
10. control device of electric motor according to claim 9, which is characterized in that
The frame have with the radiating surface of the cooling fin backplate that separate gap opposed,
The regeneration resistance configuration is configured in the gap of the backplate and the radiating surface in the regeneration resistance
With the spaced apart at gaps of the cooling fin forming portion.
11. control device of electric motor according to claim 5, which is characterized in that
Have the cover member for being fixed on the frame,
The cover member has plate-like portion, and the plate-like portion is in the height orthogonal with the extending direction of the cooling fin and orientation
It is opposed with the cooling fin on degree direction,
The wind deflector is prominent from the plate-like portion to the cooling fin side.
12. control device of electric motor according to claim 11, which is characterized in that
Relative to the fin arrangement in the side of the extending direction of the first flow path, the notch is formed in the fan
Than the position that the fan side is leaned in the center of the extending direction of the cooling fin.
13. control device of electric motor according to claim 12, which is characterized in that
The radiating part has the cooling fin forming portion of plate and from the cooling fin forming portion multiple cooling fin outstanding,
Second heater is configured at the side opposite with cooling fin side outstanding relative to the cooling fin forming portion.
14. control device of electric motor according to claim 13, which is characterized in that
Have the regeneration resistance connecting with the circuit substrate,
The regeneration resistance is located at the side opposite with the side relative to the radiating part.
15. control device of electric motor according to claim 14, which is characterized in that
The frame have with the radiating surface of the cooling fin backplate that separate gap opposed,
The regeneration resistance configuration is configured in the gap of the backplate and the radiating surface in the regeneration resistance
With the spaced apart at gaps of the cooling fin forming portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-242446 | 2017-12-19 | ||
| JP2017242446A JP2019110220A (en) | 2017-12-19 | 2017-12-19 | Motor control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109936967A true CN109936967A (en) | 2019-06-25 |
| CN109936967B CN109936967B (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811554661.3A Active CN109936967B (en) | 2017-12-19 | 2018-12-19 | Motor control device |
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| CN (1) | CN109936967B (en) |
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| CN113484471B (en) * | 2021-07-05 | 2023-02-03 | 郑州水伟环境科技有限公司 | Air exhaust chamber structure of micro thermal power pump of gas sensor |
| DE102022205720A1 (en) | 2022-06-03 | 2023-12-14 | Lenze Se | Frequency converter kit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07147492A (en) * | 1993-11-26 | 1995-06-06 | Hitachi Ltd | Heat dissipating structure of electronic device |
| CN106507637A (en) * | 2016-09-20 | 2017-03-15 | 青岛海信电器股份有限公司 | A kind of media data processing terminal |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3237609B2 (en) * | 1998-05-11 | 2001-12-10 | 株式会社日立製作所 | Inverter device |
| JP2008103576A (en) * | 2006-10-20 | 2008-05-01 | Yaskawa Electric Corp | Motor controller |
| TW200919165A (en) * | 2007-10-17 | 2009-05-01 | liang-he Chen | Turbo-guiding type cooling apparatus |
| JP4792482B2 (en) * | 2008-04-10 | 2011-10-12 | オリエンタルモーター株式会社 | Fixing structure between radiator of motor control device and assembly parts |
-
2017
- 2017-12-19 JP JP2017242446A patent/JP2019110220A/en not_active Ceased
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2018
- 2018-12-19 CN CN201811554661.3A patent/CN109936967B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07147492A (en) * | 1993-11-26 | 1995-06-06 | Hitachi Ltd | Heat dissipating structure of electronic device |
| CN106507637A (en) * | 2016-09-20 | 2017-03-15 | 青岛海信电器股份有限公司 | A kind of media data processing terminal |
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| Publication number | Publication date |
|---|---|
| JP2019110220A (en) | 2019-07-04 |
| CN109936967B (en) | 2021-04-06 |
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