CN214228114U - Filter and inverter - Google Patents
Filter and inverter Download PDFInfo
- Publication number
- CN214228114U CN214228114U CN202120200771.0U CN202120200771U CN214228114U CN 214228114 U CN214228114 U CN 214228114U CN 202120200771 U CN202120200771 U CN 202120200771U CN 214228114 U CN214228114 U CN 214228114U
- Authority
- CN
- China
- Prior art keywords
- busbar
- capacitor
- magnetic ring
- filter
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Filters And Equalizers (AREA)
Abstract
The utility model discloses a wave filter and dc-to-ac converter belongs to dc-to-ac converter technical field. The filter comprises a support, wherein a first accommodating groove and a second accommodating groove are formed in the support; the capacitor assembly is arranged in the first accommodating groove; the magnetic ring is arranged in the second accommodating groove, a fixing clamping ring is stacked on the top end of the magnetic ring, the fixing clamping ring comprises an arc-shaped ring body and a connecting piece integrally formed with the arc-shaped ring body, the connecting piece is arranged at each of two ends of the arc-shaped ring body, the shape of the arc-shaped ring body is matched with that of the magnetic ring, a V-shaped structure extending towards the direction close to the magnetic ring is formed on the top end of the arc-shaped ring body, the top end of the V-shaped structure is abutted against the magnetic ring, and the connecting piece fixes the arc-shaped ring body to the support through a fastening piece. The advantages are that: the magnetic ring has better electromagnetic compatibility, higher integration level and firm fixing mode of the magnetic ring.
Description
Technical Field
The utility model relates to an inverter technical field especially relates to a wave filter and dc-to-ac converter.
Background
With the continuous development of electric vehicles, the demand for Electromagnetic Compatibility (EMC) of electric vehicles is also higher and higher. The inverter is used as a core component of the whole electric automobile, the EMC performance of the inverter is improved to the EMC performance of the whole automobile, and the inverter is internally provided with the filter to realize the good EMC performance of the inverter.
At present, a small number of Y capacitors and magnetic rings are integrated in a filter, so that the filter effect of the filter is relatively comprehensive, the electromagnetic compatibility of the filter is relatively good, the occupied space of the filter is relatively large, and the integration level is relatively low; and the magnetic ring in the filter is only fixed by the common bracket, when the magnetic ring vibrates, the magnetic ring is easy to separate from the common bracket, so that the fixing mode of the magnetic ring is not firm, the magnetic ring cannot be normally used, the service performance of the whole filter is influenced, and the working reliability of the filter is low.
In view of the above, it is desirable to design a filter and an inverter to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wave filter, its electromagnetic compatibility can be better, the integration level is higher and the fixed mode of magnetic ring is firm.
To achieve the purpose, the utility model adopts the following technical proposal:
a filter, comprising:
the support is provided with a first accommodating groove and a second accommodating groove;
the capacitor assembly is arranged in the first accommodating groove;
the magnetic ring is arranged in the second accommodating groove, a fixing clamping ring is stacked on the top end of the magnetic ring, the fixing clamping ring comprises an arc-shaped ring body and a connecting piece integrally formed with the arc-shaped ring body, the connecting piece is arranged at each of two ends of the arc-shaped ring body, the shape of the arc-shaped ring body is matched with that of the magnetic ring, a V-shaped structure extending towards the direction close to the magnetic ring is formed on the top end of the arc-shaped ring body, the top end of the V-shaped structure is abutted against the magnetic ring, and the connecting piece fixes the arc-shaped ring body to the support through a fastening piece.
Preferably, the filter further comprises:
the positive busbar penetrates through the inside of the magnetic ring, the positive busbar is arranged on the support, and the positive busbar is electrically connected with the capacitor assembly;
the negative busbar penetrates through the inside of the magnetic ring, the negative busbar is arranged on the support, the negative busbar is arranged at the top end of the positive busbar in a stacking mode, the negative busbar is electrically connected with the capacitor assembly, and an electrical gap is formed between the positive busbar and the negative busbar.
Preferably, the positive busbar and the negative busbar are fixed to the support through clamping pins.
Preferably, the capacitor assembly includes a first capacitor and a second capacitor, the first capacitor and the second capacitor are respectively located at two sides of the positive busbar and the negative busbar which are mutually overlapped, the first capacitor is electrically connected with the negative busbar, and the second capacitor is electrically connected with the positive busbar.
Preferably, the filter further comprises:
and the grounding busbar is arranged on the support, and the grounding busbar is electrically connected with the first capacitor and the second capacitor respectively.
Preferably, the number of the first accommodating grooves is two, and the first capacitor and the second capacitor are respectively arranged in the two first accommodating grooves.
Preferably, a positioning rib plate is arranged in the second accommodating groove and used for positioning the magnetic ring into the second accommodating groove.
Preferably, the fastener is a stud.
Preferably, the support is made of plastic.
Another object of the present invention is to provide an inverter, the filter thereof has the characteristics of better electromagnetic compatibility, higher integration level and firm fixing manner of the magnetic ring.
To achieve the purpose, the utility model adopts the following technical proposal:
an inverter comprising a filter as described above.
The utility model has the advantages that:
by arranging the capacitor assembly and the magnetic ring, the filter effect of the filter can be more comprehensive, so that the electromagnetic compatibility of the filter is better; the capacitor assembly is arranged in the first accommodating groove, and the magnetic ring is arranged in the second accommodating groove, so that the space occupied by the capacitor assembly and the magnetic ring on the whole support is smaller, and the integration level of the whole filter is higher; meanwhile, a fixed snap ring is stacked at the top end of the magnetic ring, the shape of an arc ring body of the fixed snap ring is matched with that of the magnetic ring, a V-shaped structure extending towards the direction close to the magnetic ring is formed at the top end of the arc ring body, the top end of the V-shaped structure is pressed against the magnetic ring, and the arc ring body is fixed to the support through a fastener by a connecting piece; the fixing snap ring is fixed at the top end of the magnetic ring in a fixing mode of combining the pressure fixing and the fastening piece of the V-shaped structure, so that the magnetic ring can be stably fixed between the second accommodating groove and the fixing snap ring, the fixing mode of the magnetic ring is firm, and the working reliability of the whole filter is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a filter provided by the present invention;
fig. 2 is a schematic structural diagram of the fixing snap ring provided by the present invention.
Description of reference numerals:
1-a support; 2-a magnetic ring; 31-a first capacitance; 32-a second capacitance; 4-positive electrode bus bar; 5-negative electrode bus bar; 6-a grounding busbar; 7-fixing the snap ring; 71-an arc-shaped ring body; 72-a connector; 73-V type structure; 8-a fastener; 9-fixing hole.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features. Like reference numerals refer to like elements throughout the specification.
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.
In the embodiment, the filter and the inverter comprising the filter are provided, so that the filter has high integration level and high working reliability; meanwhile, the filter effect of the filter can be comprehensive, so that the electromagnetic compatibility of the filter is good, and the electromagnetic compatibility of the inverter can meet the requirement.
Specifically, as shown in fig. 1 and 2, the filter includes a support 1, a capacitor assembly, and a magnetic ring 2. Wherein, a first accommodating groove and a second accommodating groove (not shown in the figure) are arranged on the support 1 at intervals; the capacitor assembly is arranged in the first accommodating groove; the magnetic ring 2 is arranged in the second accommodating groove, the fixed snap ring 7 is stacked at the top end of the magnetic ring 2, the fixed snap ring 7 comprises an arc-shaped ring body 71 and a connecting piece 72 integrally formed with the arc-shaped ring body 71, the connecting piece 72 is arranged at each of two ends of the arc-shaped ring body 71, and the shape of the arc-shaped ring body 71 is matched with that of the magnetic ring 2, so that the arc-shaped ring body 71 can be well attached to the top end of the magnetic ring 2; meanwhile, a V-shaped structure 73 extending in a direction close to the magnetic ring 2 is formed at the top end of the arc-shaped ring body 71, the top end of the V-shaped structure 73 is pressed against the magnetic ring 2, so that the V-shaped structure 73 can provide pressure to the magnetic ring 2 to fix the magnetic ring 2 into the second receiving groove, and the connecting piece 72 fixes the arc-shaped ring body 71 to the support 1 through the fastener 8. In this embodiment, the number of the magnetic rings 2 is one. In other embodiments, the number of the magnetic rings 2 may be two or other numbers. The specific number of the magnetic rings 2 is determined according to the electromagnetic compatibility requirement of a specific filter. In this embodiment, the fastener 8 is a stud.
By arranging the capacitor assembly and the magnetic ring 2, the filter effect of the filter can be more comprehensive, so that the electromagnetic compatibility of the filter is better; the capacitor assembly is arranged in the first accommodating groove, the magnetic ring 2 is arranged in the second accommodating groove, and the capacitor assembly and the magnetic ring 2 can occupy a small space of the whole support 1, so that the integration level of the whole filter is high; meanwhile, the fixed snap ring 7 is overlapped at the top end of the magnetic ring 2, the shape of the arc-shaped ring body 71 of the fixed snap ring 7 is matched with that of the magnetic ring 2, a V-shaped structure 73 extending towards the direction close to the magnetic ring 2 is formed at the top end of the arc-shaped ring body 71, the top end of the V-shaped structure 73 is pressed against the magnetic ring 2, and the arc-shaped ring body 71 is fixed to the support 1 through a connecting piece 72 through a fastener 8; the fixing snap ring 7 is fixed at the top end of the magnetic ring 2 by adopting a fixing mode of combining the pressure fixing of the V-shaped structure 73 and the fastener 8, so that the magnetic ring 2 can be stably fixed between the second accommodating groove and the fixing snap ring 7, the fixing mode of the magnetic ring 2 is firm, and the working reliability of the whole filter is ensured.
The specific angle, height and thickness of the V-shaped structure 73 on the arc-shaped ring body 71 are calculated by simulation software. The specific angle, height and thickness of the V-shaped structure 73 are designed through simulation software, so that reasonable pressure can be provided through deformation of the V-shaped structure 73 to fix the magnetic ring 2, and the problem that the magnetic ring 2 is not firmly fixed due to manufacturing tolerances of the magnetic ring 2, the support 1 and a common fixing support is solved. As shown in fig. 2, in the present embodiment, the number of the V-shaped structures 73 on the arc-shaped ring body 71 is set to one. In other embodiments, the number of the V-shaped structures 73 on the arc ring body 71 can be two or other numbers. The specific number of the V-shaped structures 73 on the arc-shaped ring body 71 is determined according to the actual fixing requirement of the magnetic ring 2 and the structural size of the magnetic ring 2.
Further, a positioning rib plate (not shown) is disposed in the second receiving groove for accurately positioning the magnetic ring 2 in the second receiving groove, so that the magnetic ring 2 can be stably disposed in the second receiving groove. Wherein, the setting of location floor is in the relative both sides in the second holding tank, and the shape and the size of location floor all match with the shape and the size of magnetic ring 2. In this embodiment, the magnetic ring 2 is a ring structure.
Specifically, as shown in fig. 1, the filter further includes a positive electrode bus bar 4, a negative electrode bus bar 5 stacked on top of the positive electrode bus bar 4, and a ground bus bar 6. The positive busbar 4 penetrates through a ring inside the magnetic ring 2, the positive busbar 4 is arranged on the support 1, and the positive busbar 4 is electrically connected with the capacitor assembly; the cathode bus bar 5 penetrates through the ring inside the magnetic ring 2, the cathode bus bar 5 is arranged on the support 1, the cathode bus bar 5 is electrically connected with the capacitor assembly, and an electrical gap is formed between the anode bus bar 4 and the cathode bus bar 5; the grounding busbar 6 is arranged on the support 1, and the grounding busbar 6 is electrically connected with the capacitor assembly. In this embodiment, the structure that the female row of 4 and the female row of negative pole 5 of anodal is long bar-shaped structure, and has and to the convex mounting panel of long bar-shaped structure's side at long bar-shaped structure's both ends integrated into one piece, and the mounting panel is used for setting up fixed orifices 9, in order to be arranged in being connected with the direct current high voltage connector and the direct current bus electric capacity in the dc-to-ac converter respectively, thereby can make the female structure of arranging 5 of 4 and the negative pole of anodal comparatively simple, realize the good electromagnetic compatibility of dc-to. In other embodiments, an insulating paper may be disposed between the positive busbar 4 and the negative busbar 5 to ensure insulation between the positive busbar 4 and the negative busbar 5, thereby ensuring stable performance and safety of the whole filter.
Through set up the female row 4 of positive pole and female row 5 of negative pole that establish of overlapping each other on support 1 to integrated the female row of direct current in whole wave filter, saved the space simultaneously, further made the integrated level of whole wave filter higher. In the embodiment, four bayonet locks are respectively arranged on the support 1, positioning holes are respectively arranged on the positive busbar 4 and the negative busbar 5, and the bayonet locks penetrate through the positioning holes so as to position and fix the positive busbar 4 and the negative busbar 5 on the support 1; meanwhile, the positive busbar 4 and the negative busbar 5 are fixed on the support 1 in a hot-pressing fixing mode, so that the positive busbar 4 and the negative busbar 5 can be stably fixed on the support 1; the grounding busbar 6 is fixed on the support 1 in an injection molding mode. In other embodiments, the positive busbar 4 and the negative busbar 5 may be fixed to the support 1 by screws. In this embodiment, the electromagnetic compatibility of the filter is a common performance in the prior art, and therefore, the working principle and the implementation process of the filter are not described in detail herein. In this embodiment, the support 1 is made of plastic, so that the weight of the whole filter can be reduced.
Specifically, as shown in fig. 1, the capacitor assembly includes a first capacitor 31 and a second capacitor 32, the first capacitor 31 and the second capacitor 32 are respectively located at two sides of the positive busbar 4 and the negative busbar 5 that are stacked on each other, the first capacitor 31 is electrically connected to the negative busbar 5, and the second capacitor 32 is electrically connected to the positive busbar 4; the grounding busbar 6 is electrically connected with the first capacitor 31 and the second capacitor 32 respectively. Two first terminals are arranged on the first capacitor 31, and the two first terminals are respectively used for being fixedly connected with a first wiring terminal on the positive busbar 4 and a second wiring terminal on the grounding busbar 6 in a welding mode; two second terminals are arranged on the second capacitor 32, and the two second terminals are respectively used for being fixedly connected with a third wiring terminal on the negative busbar 5 and a fourth wiring terminal on the grounding busbar 6 in a welding mode. In other embodiments, the first connection terminal, the second connection terminal, the third connection terminal, and the fourth connection terminal may be fork-shaped.
Furthermore, the number of the first accommodating grooves is two, and the first capacitor 31 and the second capacitor 32 are respectively arranged in the two first accommodating grooves; place first electric capacity 31 and second electric capacity 32 respectively in two first holding tanks on support 1 to fix it in first holding tank through the adhesive, fix in first holding tank comparatively steadily with first electric capacity 31 and second electric capacity 32 in order to guarantee. In this embodiment, the first capacitor 31 and the second capacitor 32 are both Y capacitors.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. A filter, comprising:
the support (1) is provided with a first accommodating groove and a second accommodating groove;
the capacitor assembly is arranged in the first accommodating groove;
magnetic ring (2), its setting is in the second holding tank, the top of magnetic ring (2) is folded and is equipped with fixed snap ring (7), fixed snap ring (7) including arc ring body (71) and with arc ring body (71) integrated into one piece's connecting piece (72), just the both ends of arc ring body (71) all are provided with connecting piece (72), the shape of arc ring body (71) with the shape phase-match of magnetic ring (2), be formed with on the top of arc ring body (71) to being close to V type structure (73) that the direction of magnetic ring (2) extends, the top of V type structure (73) support and press to magnetic ring (2), just connecting piece (72) will through fastener (8) arc ring body (71) are fixed to support (1).
2. The filter of claim 1, wherein the filter further comprises:
the positive busbar (4) penetrates through the magnetic ring (2), the positive busbar (4) is arranged on the support (1), and the positive busbar (4) is electrically connected with the capacitor assembly;
the negative electrode busbar (5) penetrates through the magnetic ring (2), the negative electrode busbar (5) is arranged on the support (1), the negative electrode busbar (5) is arranged on the top end of the positive electrode busbar (4) in an overlapping mode, the negative electrode busbar (5) is electrically connected with the capacitor assembly, and an electrical gap is formed between the positive electrode busbar (4) and the negative electrode busbar (5).
3. The filter according to claim 2, characterized in that the positive busbar (4) and the negative busbar (5) are fixed to the support (1) by means of bayonet locks.
4. The filter according to claim 2, wherein the capacitor assembly comprises a first capacitor (31) and a second capacitor (32), the first capacitor (31) and the second capacitor (32) are respectively located at two sides of the positive busbar (4) and the negative busbar (5) which are stacked on each other, the first capacitor (31) is electrically connected with the negative busbar (5), and the second capacitor (32) is electrically connected with the positive busbar (4).
5. The filter of claim 4, wherein the filter further comprises:
and the grounding busbar (6) is arranged on the support (1), and the grounding busbar (6) is electrically connected with the first capacitor (31) and the second capacitor (32) respectively.
6. The filter according to claim 4, wherein the number of the first receiving grooves is two, and the first capacitor (31) and the second capacitor (32) are respectively disposed in the two first receiving grooves.
7. A filter according to claim 1, characterized in that positioning ribs are provided in the second receiving groove for positioning the magnetic ring (2) into the second receiving groove.
8. A filter according to claim 1, characterised in that the fastening element (8) is a stud.
9. A filter according to claim 1, characterised in that the material of the carrier (1) is plastic.
10. An inverter, characterized by comprising a filter according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120200771.0U CN214228114U (en) | 2021-01-25 | 2021-01-25 | Filter and inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120200771.0U CN214228114U (en) | 2021-01-25 | 2021-01-25 | Filter and inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214228114U true CN214228114U (en) | 2021-09-17 |
Family
ID=77691344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120200771.0U Active CN214228114U (en) | 2021-01-25 | 2021-01-25 | Filter and inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214228114U (en) |
-
2021
- 2021-01-25 CN CN202120200771.0U patent/CN214228114U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2675000B1 (en) | Rechargeable battery | |
| EP3633766A1 (en) | Electrode member, electrode assembly, and secondary battery | |
| CN104704649A (en) | Battery module comprising bus bar assembly, and battery pack comprising same | |
| US20090096418A1 (en) | Electrical energy storage device, in particular for equipping a motor vehicle | |
| CN209766537U (en) | Battery module and electric device | |
| CN114024082A (en) | Battery, battery module and battery pack | |
| CN212412161U (en) | Battery separator and battery pack | |
| CN109742304A (en) | A kind of power battery module and electric vehicle | |
| CN210839411U (en) | Filter module, motor controller and motor controller assembly | |
| CN217239669U (en) | Module end plate and battery module | |
| KR101490054B1 (en) | Ultracapacitor Module Using PCB assembly And The Manufacturing Method of it | |
| CN210129547U (en) | Battery pack and electrochemical device | |
| CN214228114U (en) | Filter and inverter | |
| CN215118659U (en) | Capacitor module and motor inverter | |
| CN217239531U (en) | Battery and battery pack | |
| CN207719261U (en) | Battery modules cover plate assembly and battery modules | |
| CN216774539U (en) | DC filter module | |
| CN216054932U (en) | Top cap subassembly, power battery and battery package | |
| CN212907959U (en) | Battery module and electric automobile | |
| CN213026396U (en) | Separator and battery pack | |
| CN112421161A (en) | Insulation board and battery module | |
| CN210075074U (en) | Direct current filtering structure, motor controller and vehicle | |
| CN218849408U (en) | Fuse assembly and vehicle | |
| CN217086784U (en) | Battery module and battery pack | |
| CN220042207U (en) | Battery and battery device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |