CN208924107U - Filtering unit and power electronic equipment - Google Patents
Filtering unit and power electronic equipment Download PDFInfo
- Publication number
- CN208924107U CN208924107U CN201821584288.1U CN201821584288U CN208924107U CN 208924107 U CN208924107 U CN 208924107U CN 201821584288 U CN201821584288 U CN 201821584288U CN 208924107 U CN208924107 U CN 208924107U
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- China
- Prior art keywords
- hole
- magnet ring
- bottom plate
- filtering unit
- fixing piece
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Abstract
The utility model provides a kind of filtering unit and power electronic equipment, the filtering unit includes copper bar, magnet ring, locking member and the fixing piece being made of insulating material, wherein: there is first through hole and the first fixation hole on the fixing piece, there is the second through-hole, and the magnet ring is installed in the fixing piece in the coaxial mode of the second through-hole and first through hole on the magnet ring；There is the second fixation hole, the copper bar passes through the first through hole and the second through-hole and mutually fixes by the locking member with the fixing piece, and the locking member passes through first fixation hole and the second fixation hole on the copper bar.The utility model realizes being mechanically fixed for magnet ring and copper bar by locking member and fixing piece, improves the consistency of magnet ring Yu copper bar fixed operation.
Description
Technical field
The utility model relates to power electronic equipment fields, more specifically to a kind of filtering unit and power electronics
Equipment.
Background technique
Not only other electronic equipments of severe jamming work normally the electromagnetic wave of electronic equipment radiation and leakage, lead to equipment function
Energy disorder, error of transmission, the health and safety that also threaten the mankind, harm is very big, therefore the electromagnetism for reducing electronic equipment is dry
Disturb has been the problem of must be taken into consideration.Magnet ring is common anti-interference element in electronic circuit, is had well for high-frequency noise
Inhibiting effect.
In the power electronic equipments such as inverter, in order to reduce current ripples, need for magnet ring to be inserted in corresponding copper bar.Mesh
It is preceding mainly by way of in the fixed glue of magnet ring inner wall point, magnet ring is fixed on copper bar.
But since copper bar is passed through from magnet ring, magnet ring, without fixation, leads to a fixed glue automation difficult to realize in copper bar
Operation puts fixed glue and is typically only capable to manual operation.Manual operation often not can guarantee consistency, to not can guarantee good anti-
Pinking.
Utility model content
The technical problem to be solved by the present invention is to the inconvenient, shock resistances for above-mentioned copper bar and magnet ring fixed operation
Poor problem provides a kind of filtering unit and power electronic equipment.
The technical solution that the utility model solves above-mentioned technical problem is to provide a kind of filtering unit, including copper bar, magnetic
Ring, locking member and the fixing piece being made of insulating material, in which: there is first through hole and first to fix on the fixing piece
Hole, has the second through-hole on the magnet ring, and the magnet ring be installed in the coaxial mode of the second through-hole and first through hole it is described
In fixing piece；There is the second fixation hole, the copper bar passes through the first through hole and the second through-hole and passes through institute on the copper bar
It states locking member mutually to fix with the fixing piece, and the locking member passes through first fixation hole and the second fixation hole.
Preferably, the fixing piece includes the accommodating chamber that one end has opening, and the magnet ring is placed in institute from the opening
It states in accommodating chamber.
Preferably, the fixing piece includes bottom plate and outer baffle, and the first through hole is located at the bottom plate, and the bottom
The shape and size of the periphery of plate are matched with the shape and size of the periphery of the magnet ring；The outer baffle is located at the bottom plate
Outer rim and perpendicular to the bottom plate, and the height of the outer baffle is matched with the axial dimension of the magnet ring；The accommodating chamber position
In the inside of the outer baffle.
Preferably, the outer baffle includes multiple blend stops, and the multiple blend stop is respectively perpendicular to bottom plate, and the multiple gear
Item is spaced apart in the outer rim of the bottom plate.
Preferably, the inside on the top of at least partly described blend stop has hook, and the blend stop with hook is at the bottom
The outer rim of plate is uniformly distributed；When the magnet ring is placed in the accommodating chamber, the hook catches on the end face outside of the magnet ring.
Preferably, the fixing piece further includes Internal baffle, and the Internal baffle is located at the same of the bottom plate with the outer baffle
Side, and the Internal baffle is located at the edge of the first through hole and perpendicular to the bottom plate；The inner sidewall of the Internal baffle
Shape and size are matched with the shape and size of the second through-hole of the magnet ring；The accommodating chamber is located at the Internal baffle and outer gear
Between plate.
Preferably, the inner sidewall of the Internal baffle has one group of guide groove and at least one limit ribs, the side of the copper bar
Edge is embedded in the guide groove and is limited by the limit ribs.
Preferably, there is the lug being arranged close to the first through hole, first fixed hole position is in institute on the bottom plate
It states on lug；The lug is located at the not ipsilateral of the bottom plate with the outer baffle, and plane where the lug is led with described
Plane where slot is parallel.
Preferably, the locking member includes screw and nut；Or the locking member includes buckle.
The utility model also provides a kind of power electronic equipment, including filtering unit as described above.
The filtering unit and power electronic equipment of the utility model have the advantages that through locking member and fixing piece
It realizes being mechanically fixed for magnet ring and copper bar, improves the consistency of magnet ring Yu copper bar fixed operation.Due to being not necessarily to dispensing, solve
The artificial dispensing problem that magnet ring and the fixed bring dispensing difficulty of copper bar and dispensing is inconsistent.The utility model fixation can
It leans on, high-intensity oscillation environment can be met.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model filtering unit embodiment；
Fig. 2 is the schematic diagram of fixing piece embodiment in the utility model filtering unit；
Fig. 3 is the schematic diagram of another embodiment of fixing piece in the utility model filtering unit；
Fig. 4 is the schematic diagram that the utility model filtering unit embodiment middle magnetic ring is attached to fixing piece；
Fig. 5 is the schematic diagram for the embodiment that the utility model filtering unit is completed.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Figure 1-3, being the schematic diagram of the utility model filtering unit embodiment, which can be applied to motor
The power electronic equipments such as controller, inverter, and it is used as exchange output connection.The filtering unit of the present embodiment includes copper bar 1, magnetic
Ring 2 and fixing piece 3, wherein fixing piece 3 can be made of insulating material, and there is first through hole and first to fix on the fixing piece 3
Hole 341, has the second through-hole on magnet ring 2, and the diameter of above-mentioned first through hole and the second through-hole is respectively greater than the width of the copper bar 1
Degree, and magnet ring 2 is installed in fixing piece 3 (first through hole also embeddable second in the coaxial mode of the second through-hole and first through hole
In through-hole).There is the second fixation hole, which passes through first through hole and the second through-hole and pass through locking member and fixation on copper bar 1
3 phase of part is fixed, and above-mentioned locking member passes through the first fixation hole and the second fixation hole.
Above-mentioned filtering unit realizes being mechanically fixed for magnet ring 2 and copper bar 1 by locking member and fixing piece 3, in guarantee magnet ring 2
While with 1 fixing intensity of copper bar, the consistency of fixed operation is also improved.
Above-mentioned fixing piece 3 may include the accommodating chamber that one end has opening, and magnet ring 2 is placed in accommodating chamber from the opening of accommodating chamber
Interior, i.e., fixing piece 3 half wraps up magnet ring 2, can not only realize the fixation of magnet ring 2, can also realize the insulation of magnet ring 2 Yu copper bar 1.By
It can generate heat during the work time in copper bar 1 and magnet ring 2, therefore fixing piece 3 is preferably provided with certain heat resistance.Certainly, in reality
In the application of border, fixing piece 3 can also wrap up magnet ring 2 (such as wrapping up magnet ring 2 by injection molding manner) entirely.
Specifically, as shown in Fig. 2, fixing piece 3 may include bottom plate 31 and outer baffle 32, first through hole is located at bottom plate 31
(such as center of bottom plate 31), and the shape and size of the periphery of bottom plate 31 are matched with the shape and size of the periphery of magnet ring 2.On
It states outer baffle 32 and is located at the outer rim of bottom plate 31 and perpendicular to bottom plate 31, and the axial dimension of the height of outer baffle 32 and magnet ring 2
Match, to save the installation space of material and magnet ring.Above-mentioned accommodating chamber is located at the inside of outer baffle 32.
Outer baffle 32 can be made of multiple blend stops, and multiple blend stop is respectively perpendicular to bottom plate 31, and multiple blend stops are in bottom plate
31 outer rim is spaced apart (certainly, the bottom of blend stop can connect).In this way, being attached to the mistake of the accommodating chamber of fixing piece 3 in magnet ring 2
Cheng Zhong, blend stop can strut outward, be packed into convenient for magnet ring 2；After magnet ring 2 is in place, blend stop can hold magnet ring 2 tightly, be convenient for magnet ring 2
Stablize fix.
To prevent magnet ring 2 from deviating from out of fixing piece 3 accommodating chamber, at least partly the inside on the top of blend stop has hook
321, and the blend stop with hook 321 is uniformly distributed in the outer rim of bottom plate 31.After magnet ring 2 is in place, hook 321 is affixed on magnetic
The outer end face of ring 2 and the end face outside for catching on magnet ring 2, in this way, magnet ring 2 would not be deviate from from the opening of fixing piece 3 easily.
Above-mentioned fixing piece 3 may also include Internal baffle 33, which is located at the same side of bottom plate 31 with outer baffle 32, and
Internal baffle 33 is located at the edge of first through hole and perpendicular to bottom plate 31, in this way, the inner wall of Internal baffle 33 also constitutes first through hole
A part.The shape and size of second through-hole of the shape and size and magnet ring 2 of the inner sidewall of above-mentioned Internal baffle 33 match；Hold
Chamber of receiving is between Internal baffle 33 and outer baffle 32.Particularly, above-mentioned Internal baffle 33 and outer baffle 32 can be located separately two circles
On cylinder, and the axis on two cylindrical surfaces is identical.
The inner sidewall of above-mentioned Internal baffle 33 can have one group of guide groove 332, this group of guide groove 332 may include two grooves, and should
Two grooves be located at first through hole it is same diametrically.The width of the distance between bottom wall of above-mentioned two groove and copper bar 1
Match, and the thickness matching of the spacing between the two side walls of each groove and copper bar 1.When copper bar 1 is inserted into first through hole, copper
The edge of row 1 is embedded in guide groove 332.Above-mentioned guide groove 332 can not only make 1 fix in position of copper bar, but also can copper to a certain extent
Opposite shaking between row 1 and fixing piece 3.
In addition, can also have at least one limit ribs 331 on the inner sidewall of Internal baffle 33, the limit ribs 331 are prominent
It is staggered in the inner sidewall of Internal baffle 33, and with guide groove 332.When copper bar 1 is inserted into guide groove 332, at least the one of limit ribs 331
Part is resisted against the surface of copper bar 1, to realize the further limit of copper bar 1, keeps copper bar 1 more stable in first through hole.
As shown in figure 3, can also have the lug 34 being arranged close to first through hole, the first fixation hole 341 on above-mentioned bottom plate 31
On the lug 34；Lug 34 is located at the not ipsilateral of bottom plate 31, and 34 place plane of lug and 332 institute of guide groove with outer baffle 32
It is parallel in plane.When by fixing piece 3 and fixed copper bar 1, after copper bar 1 passes through first through hole, it is affixed on the lower surface of lug 34, and
The first fixation hole 341 on lug 34 is opposite with the second fixation hole on copper bar 1, and by passing through the first fixation hole 41 and second
The locking member of fixation hole is fixed.
For improve lug 34 intensity, can the two sides of lug 34 increase gusset 342, and a side of gusset 342 with
31 phase of bottom plate is fixed, and another adjacent side and the edge of lug 34 are mutually fixed.By the above-mentioned means, hanging down for lug 34 can be increased
Directly in the intensity in 31 direction of bottom plate, lug 34 is made not teetertotter.
Above-mentioned fixing piece 3 can single injection-molded, screw 4 and nut then can be used in locking member, and specifically, screw 4 is successively
Across the first fixation hole and the second fixation hole, and the top being connect with nut thread.In addition, buckle etc. also can be used in locking member.
The utility model also provides a kind of power electronic equipment, which can be electric machine controller etc., and
The power electronic equipment includes copper bar component as described above.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should
It is subject to the protection scope in claims.
Claims (10)
1. a kind of filtering unit, which is characterized in that including copper bar, magnet ring, locking member and the fixing piece being made of insulating material,
Wherein: there is first through hole and the first fixation hole on the fixing piece, there is on the magnet ring the second through-hole, and the magnet ring with
Second through-hole and the coaxial mode of first through hole are installed in the fixing piece；There is the second fixation hole on the copper bar, it is described
Copper bar passes through the first through hole and the second through-hole and is mutually fixed by the locking member with the fixing piece, and the locking member
Across first fixation hole and the second fixation hole.
2. filtering unit according to claim 1, which is characterized in that the fixing piece includes the receiving that one end has opening
Chamber, and the magnet ring is placed in the accommodating chamber from the opening.
3. filtering unit according to claim 2, which is characterized in that the fixing piece includes bottom plate and outer baffle, institute
It states first through hole and is located at the bottom plate, and the shape and ruler of the periphery of the shape and size of the periphery of the bottom plate and the magnet ring
Very little matching；The outer baffle is located at the outer rim of the bottom plate and perpendicular to the bottom plate, and the height of the outer baffle with it is described
The axial dimension of magnet ring matches；The accommodating chamber is located at the inside of the outer baffle.
4. filtering unit according to claim 3, which is characterized in that the outer baffle includes multiple blend stops, the multiple
Blend stop is respectively perpendicular to bottom plate, and the multiple blend stop is spaced apart in the outer rim of the bottom plate.
5. filtering unit according to claim 4, which is characterized in that the inside on the top of at least partly described blend stop has
Hook, and the blend stop with hook is uniformly distributed in the outer rim of the bottom plate；When the magnet ring is placed in the accommodating chamber, institute
State the end face outside that hook catches on the magnet ring.
6. filtering unit according to claim 3, which is characterized in that the fixing piece further includes Internal baffle, the interior gear
Plate and the outer baffle are located at the same side of the bottom plate, and the Internal baffle be located at the first through hole edge and perpendicular to
The bottom plate；The shape and size of the inner sidewall of the Internal baffle are matched with the shape and size of the second through-hole of the magnet ring；
The accommodating chamber is between the Internal baffle and outer baffle.
7. filtering unit according to claim 6, which is characterized in that the inner sidewall of the Internal baffle have one group of guide groove and
At least one limit ribs, the edge of the copper bar are embedded in the guide groove and are limited by the limit ribs.
8. filtering unit according to claim 7, which is characterized in that have on the bottom plate and set close to the first through hole
The lug set, first fixed hole position is on the lug；The lug and the outer baffle are located at the difference of the bottom plate
Side, and plane is parallel with plane where the guide groove where the lug.
9. filtering unit according to claim 1, which is characterized in that the locking member includes screw and nut；Or institute
Stating locking member includes buckle.
10. a kind of power electronic equipment, which is characterized in that including filtering unit as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821584288.1U CN208924107U (en) | 2018-09-27 | 2018-09-27 | Filtering unit and power electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821584288.1U CN208924107U (en) | 2018-09-27 | 2018-09-27 | Filtering unit and power electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208924107U true CN208924107U (en) | 2019-05-31 |
Family
ID=66707270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821584288.1U Active CN208924107U (en) | 2018-09-27 | 2018-09-27 | Filtering unit and power electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208924107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111615273A (en) * | 2020-06-30 | 2020-09-01 | 德尔福科技(苏州)有限公司 | Magnetic part fixing device |
-
2018
- 2018-09-27 CN CN201821584288.1U patent/CN208924107U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111615273A (en) * | 2020-06-30 | 2020-09-01 | 德尔福科技(苏州)有限公司 | Magnetic part fixing device |
| CN111615273B (en) * | 2020-06-30 | 2024-04-05 | 博格华纳驱动系统(苏州)有限公司 | Magnetic part fixing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215000 52 tianedang Road, Yuexi, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: Suzhou Huichuan United Power System Co.,Ltd. Address before: 215000 52 tianedang Road, Yuexi Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: SUZHOU HUICHUAN UNITED POWER SYSTEM Co.,Ltd. |