CN217239202U - Magnetic element safety-regulation positioning heat dissipation protective shell, safety-regulation transformer and vehicle-mounted charger - Google Patents
Magnetic element safety-regulation positioning heat dissipation protective shell, safety-regulation transformer and vehicle-mounted charger Download PDFInfo
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- CN217239202U CN217239202U CN202220953516.8U CN202220953516U CN217239202U CN 217239202 U CN217239202 U CN 217239202U CN 202220953516 U CN202220953516 U CN 202220953516U CN 217239202 U CN217239202 U CN 217239202U
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 67
- 230000001681 protective effect Effects 0.000 title claims abstract description 39
- 125000006850 spacer group Chemical group 0.000 claims abstract description 20
- 238000004804 winding Methods 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 210000001503 joint Anatomy 0.000 claims abstract description 3
- 230000033228 biological regulation Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Coils Of Transformers For General Uses (AREA)
Abstract
The utility model provides a magnetic element safety regulation positioning heat dissipation protective shell, a safety regulation transformer and a vehicle-mounted charger, which are characterized by comprising a shell, wherein the shell is provided with magnetic core holes penetrating through the left end and the right end, and the magnetic core holes are used for installing magnetic cores; the shell comprises two shell covers with the same structure and a middle spacer, wherein the upper end and the lower end of each shell cover are respectively provided with an upper heat dissipation port and a lower heat dissipation port; the two shell covers are in butt joint with the left side and the right side of the middle spacer to form two inner cavities for containing coils, winding portions are arranged in the inner cavities, the winding portions are arranged on the inner sides of the shell covers, and the magnetic core holes penetrate through the winding portions. The utility model provides a magnetic element ann rule location heat dissipation protective case simple structure, convenient to use, it is kept apart coil and magnetic core, has increased creepage distance between the two, and then has increased ann rule distance between the two to reduce the volume of magnetic element and product, reduced manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of magnetic element installation location, especially, relate to a magnetic element ann rule location heat dissipation protective case and ann rule transformer, on-vehicle machine that charges.
Background
With the increasing severity of energy and environmental problems, electric vehicles develop rapidly, and a vehicle-mounted charger is one of the hot spots of current research as an important component of the electric vehicle. The development of a high-performance vehicle-mounted charger with the characteristics of high efficiency, high harmonic suppression performance, high reliability and the like has important significance on the healthy development of the electric automobile industry.
At present, the requirement on the vehicle cost in the market is higher and higher, and the requirement on the volume and the weight of the vehicle-mounted device is also gradually increased, so that the vehicle-mounted charger with low cost, small volume and light weight is a trend. The transformer that current on-vehicle machine of charging adopted has magnetic core group and coil assembly, and the transformer hardware quantity commonly used is a lot of for the product volume is very big, need install a plurality of magnetic parts respectively in the installation of transformer, leads to the installation degree of difficulty big, with high costs, is unfavorable for realizing high efficiency, little volume design. And the high-power transformer has slow heat dissipation, which affects the performance and service life of the transformer.
Meanwhile, in the vehicle-mounted charger for the electric automobile, the direct distance of the magnetic part is larger due to the safety problem of the product, the size of the charger is increased, the cost and the resource are wasted, and the improvement of the product competitiveness is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned technical problem, provide a magnetic element ann rule location heat dissipation protective case and ann rule transformer, on-vehicle machine that charges, this magnetic element ann rule location heat dissipation protective case simple structure, convenient to use, it is kept apart coil and magnetic core, has increased creepage distance between the two, and then has increased ann rule distance between the two to reduce the volume of magnetic element and product, reduced manufacturing cost.
In order to achieve the above object, the utility model discloses a technical scheme be:
the magnetic element safety regulation positioning heat dissipation protective shell comprises a shell, wherein a magnetic core hole penetrating through the front end and the rear end is formed in the shell and used for installing a magnetic core; the shell comprises a shell cover and a middle spacer, wherein the shell cover and the middle spacer are of the same structure, and an upper heat dissipation port and a lower heat dissipation port are respectively formed at the upper end and the lower end of the shell cover; the two shell covers are in butt joint with two sides of the middle spacer to form two inner cavities for containing coils, winding portions are arranged in the inner cavities, the winding portions are arranged on the inner sides of the shell covers, and the magnetic core holes penetrate through the winding portions.
According to the safety positioning heat dissipation protective shell for the magnetic element, the coil and the magnetic core are separated, the creepage distance between the coil and the magnetic core is increased, and the safety distance between the coil and the magnetic core is further increased; and the heat dissipation protective shell isolates the coil and the magnetic core, so that the problem that the coil and the magnetic core are isolated by arranging a large gap in the prior art is avoided, the size of the magnetic element is reduced under the condition of meeting the safety distance requirement of a transformer product or an inductance product with the magnetic element safety positioning heat dissipation protective shell, and the manufacturing cost is reduced. Meanwhile, the protective shell is provided with the upper radiating port and the lower radiating port, so that the radiating area of the coil in the protective shell is increased, and the service life of the product is further prolonged.
In some other embodiments of the present application, the housing cover includes an annular cover body with an upper opening and a lower opening, the lower opening of the annular cover body is provided with a base, and the lower heat dissipation opening is formed on the base; through setting up the base, avoid the protective housing crooked, reduce the space of reserving for the product that has this protective housing to reduce the volume of the complete machine that has this protective housing product.
In other embodiments of the present application, a first wire passing groove is disposed on the base, the first wire passing groove is disposed at the edge of the lower heat dissipation opening, second wire passing grooves are disposed on two sides of the middle partition, and two wire outlet ends of the coil are respectively clamped in the first wire passing groove and the second wire passing groove; the stitch of the product is positioned through the first thread passing groove and the second thread passing groove, the stitch is prevented from being inclined, the consistency of the product is ensured, and the product quality cost is reduced.
In other embodiments of the present application, the first wire passing groove and the second wire passing groove are arranged in a staggered manner, and each of the first wire passing groove and the second wire passing groove is formed by two oppositely arranged positioning columns, so that the safety performance of the product is further improved by the staggered arrangement.
In other embodiments of the present application, a positioning portion is convexly disposed on an outer side of the base, and a side heat dissipation opening communicated with the corresponding inner cavity is disposed on the positioning portion; the positioning part is used for positioning the installation of the magnetic core, and the side heat dissipation opening further improves the heat dissipation area of the coil, so that the heat dissipation performance of the product is improved.
In other embodiments of the present application, a limiting portion is disposed at an upper opening of the annular cover, the upper heat dissipating port is formed on the limiting portion, and the base, the limiting portion and the outer side of the annular cover form a clamping groove; the bottom of the top of the protective shell is provided with the heat dissipation ports, so that the heat of the coil can be better conducted into the air, the power consumption of the product is reduced, and the efficiency is improved; meanwhile, the clamping groove is convenient for installation of the magnetic core.
In other embodiments of the present application, a first clamping portion is disposed on the housing cover, a second clamping portion is disposed on the middle spacer, and the first clamping portion and the second clamping portion cooperate to enable the two housing covers and the middle spacer to be integrally assembled.
In some other embodiments of the present application, the first clip portion includes a clip groove, and the second clip portion includes a clip.
The utility model also provides an ann rule transformer, it includes any one of the above-mentioned technical scheme magnetic element ann rule location heat dissipation protective case, still include two coils and two magnetic cores that the structure is the same, two the coil twines respectively in two in the wire winding portion, two the magnetic core mirror image sets up the both sides of casing, and every the magnetic core has the convex part, the convex part is worn to locate in the magnetic core hole.
The safety transformer that this technical scheme provided keeps apart coil and magnetic core through the protective housing, has increased creepage distance, reduces the distance between the product simultaneously guaranteeing product security performance, has reduced product volume, product cost and product production man-hour, and the heat dissipation port can be better from top to bottom with the leading-in air of coil heat, has reduced the consumption, has promoted product life and competitiveness and product reliability simultaneously.
The utility model also provides a vehicle-mounted charger, a serial communication port, including above-mentioned technical scheme ann rule transformer.
The vehicle-mounted charger provided by the technical scheme can solve the safety regulation problem of the magnetic elements, reduce the distance between the magnetic elements, reduce the volume of the whole charger, save materials and labor cost and further improve the product competitiveness.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram 1 of a safety positioning heat dissipation casing according to an embodiment of the present invention;
fig. 2 is a schematic structural view 2 of the safety positioning heat dissipation protective casing according to the embodiment of the present invention;
FIG. 3 is an exploded view of the safety positioning heat dissipation casing according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a safety transformer according to an embodiment of the present invention;
fig. 5 is an exploded view of the safety transformer according to the embodiment of the present invention.
In the above figures: a heat-dissipating casing 100; a transformer 10; a housing 1; a magnetic core hole 11; an inner cavity 12; a winding portion 13; a shell cover 2; an upper heat dissipation port 21; a lower heat dissipation port 22; an annular cover 23; a first clip portion 24; a middle spacer 3; a second wire passage groove 31; a second clip portion 32; a base 4; a positioning portion 41; the side vents 42; a first wire passing groove 43; a positioning column 5; a stopper portion 6; a clamping groove 7; a magnetic core 8; a convex portion 81; a positioning groove 82; a coil 9.
Detailed Description
The present invention will now be described in detail by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that the terms "inner", "outer", "upper", "lower", "front", "rear", and the like indicate the positional relationship based on the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features.
In order to better understand the technical solutions, the technical solutions are described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, in an exemplary embodiment of a magnetic component safety-specified position heat dissipation casing 100 of the present invention, the magnetic component safety-specified position heat dissipation casing 100 includes a casing 1, the casing 1 is provided with a magnetic core hole 11 penetrating through left and right ends, the magnetic core hole 11 is used for installing a magnetic core 8, and two inner cavities 12 are provided in the casing 1 for accommodating coils 9.
Specifically, referring to fig. 1 to 3, the housing 1 includes two housing covers 2 and a middle spacer 3, the two housing covers 2 have the same structure, and the upper and lower ends of the housing covers 2 have upper heat dissipating ports 21 and lower heat dissipating ports 22, respectively; two shell covers 2 are butted on the left side and the right side of the middle spacer 3 to form two inner cavities 12 for accommodating the coils 9, a winding part 13 is arranged in each inner cavity 12, the winding part 13 is arranged on the inner side of the shell cover 2, and the magnetic core hole 11 penetrates through the winding part 13.
In the magnetic element safety positioning heat dissipation protective casing 100 provided by the embodiment, the coil 9 is installed in the inner cavity 12 of the casing 1, the magnetic core 8 is installed on the casing 1 and located outside the casing 1, and the casing 1 separates the coil 9 from the magnetic core 8, so that the creepage distance between the two is increased, and further, the safety distance between the two is increased; the heat dissipation protective shell 100 isolates the coil 9 and the magnetic core 8, so that the mode that the coil 9 and the magnetic core 8 are isolated by arranging a large gap in the prior art is avoided, the heat dissipation protective shell 100 is positioned by adopting the safety regulation of the magnetic element, the purpose of reducing the volume of the magnetic element is achieved under the condition of meeting the safety regulation distance requirement of a transformer product or an inductance product with the heat dissipation protective shell, and the manufacturing cost is reduced. Meanwhile, the magnetic element safety positioning heat dissipation protective shell 100 increases the heat dissipation area of the internal coil 9 through the upper heat dissipation port 21 and the lower heat dissipation port 22, and further prolongs the service life of the product. When in use, the upper heat dissipation port 21 can also be used as a glue filling port to play a role in glue filling and fixing.
Further, the case cover 2 includes an annular cover body 23 with an upper opening and a lower opening, the lower opening of the annular cover body 23 is provided with the base 4, and the lower heat dissipation opening 22 is formed on the base 4; a positioning part 41 is convexly arranged on the outer side of the base 4, and a side heat dissipation port 42 communicated with the corresponding inner cavity 12 is formed in the positioning part 41; the base 4 is provided with a first wire passing groove 43, the first wire passing groove 43 is arranged at the edge of the lower heat radiating port 22, the two sides of the middle spacer 3 are provided with second wire passing grooves 31, and two wire outlet ends of the coil 9 are respectively clamped in the first wire passing groove 43 and the second wire passing grooves 31.
In the embodiment, the base 4 is arranged to prevent the heat dissipation protective casing 100 from being inclined, and reduce the space reserved for the product with the heat dissipation protective casing 100, thereby reducing the volume of the whole machine with the heat dissipation protective casing 100; the arrangement of the side heat dissipation port 42 further increases the heat dissipation area of the coil 9, thereby improving the heat dissipation performance of the product. Meanwhile, the stitches of the product are positioned through the first thread passing groove 43 and the second thread passing groove 31, so that the stitches are prevented from being skewed, the consistency of the product is ensured, and the quality cost of the product is reduced. Preferably, the first wire passing groove 43 and the second wire passing groove 31 are arranged in a staggered manner, and each of the first wire passing groove 43 and the second wire passing groove 31 is composed of two positioning pillars 5 which are arranged oppositely. The first wire passing groove 43 and the second wire passing groove 31 which are arranged in a staggered manner increase the safety distance between two wire outlet ends of the coil 9, and further improve the safety performance of the product.
Further, referring to fig. 1 and 2, a limiting portion 6 is disposed at an upper opening of the annular cover 23, the upper heat dissipating port 21 is formed on the limiting portion 6, and the base 4, the limiting portion 6 and the outer side of the annular cover 23 form a clamping groove 7. In this embodiment, joint groove 7 is used for holding and joint magnetic core 8, and the top and the bottom of casing 1 all have the thermovent, can be better with 9 heat introduction air of coil, reduce the product consumption, promote the radiating efficiency.
Referring to fig. 3, in order to connect the two covers 2 to the two sides of the middle spacer 3 and make the two covers not easily separated, a first clamping portion 24 is disposed on the cover 2, a second clamping portion 32 matched with the first clamping portion 24 is disposed on the middle spacer 3, and the first clamping portion 24 and the second clamping portion 32 are matched to form a complete clamping structure, so that the two covers 2 and the middle spacer 3 are assembled into a whole. Preferably, first joint portion 24 includes the draw-in groove, and second joint portion 32 includes the buckle, and the buckle joint is in the draw-in groove for two complete agreeing with of cap 2 connect in the both sides of well distance piece 3, this joint mode simple structure, easy dismounting.
With continued reference to fig. 3, the intermediate spacer 3 is preferably shaped and dimensioned to fit the housing cover 2 for ease of assembly, and after assembly, the upper and lower heat dissipating apertures 21, 22 enclose the intermediate spacer 3 to form heat dissipating windows. The first clamping portion 24 is provided in plurality and is located on the limiting portion 6 and the base 4. The number of the second catching portions 32 corresponds to the arrangement position with the first catching portions 24, which are located at the top and bottom of the middle spacer 3.
Referring to fig. 4 and 5, the utility model also provides a ann rule transformer 10, it includes any one of the above-mentioned technical scheme magnetic element ann rule location protective case 100, still include two coils 9 and two magnetic cores 8 that the structure is the same, two coils 9 are located two inner chambers 12, and it twines respectively on two wire winding portions 13, and two magnetic cores 8 mirror images set up in the both sides of casing 1, and every magnetic core 8 has convex part 81, and convex part 81 wears to locate in the magnetic core hole 11.
The ann rule transformer 10 that this embodiment provided, through magnetic element ann rule location heat dissipation protective case 100 keep apart coil 9 and magnetic core 8, creepage distance has been increased, reduce the distance between the transformer 10 product when guaranteeing 10 product security performance of transformer, product volume has been reduced, product cost and product production man-hour, the heat dissipation window can be better with the leading-in air of 9 heat heats of coil, the consumption is reduced, product life and competitiveness and product reliability have been promoted simultaneously.
Further, in this embodiment, two magnetic cores 8 are enclosed outside the magnetic element safety positioning heat dissipation casing 100 and are respectively clamped in the two clamping grooves 7. Referring to fig. 5, the magnetic core 8 has openings at the top and bottom, the positioning groove 82 matching with the positioning portion 41 is concavely arranged at the upper part of the magnetic core 8, when assembling, the positioning portion 41 is embedded into the positioning groove 82 for fixing, the positioning portion 41 plays a positioning role in the installation of the magnetic core 8, and the convex portion 81 matches with the magnetic core hole 11 and the clamping groove 7 for fixing the magnetic core 8. In this embodiment, the positioning groove 82 is preferably V-shaped.
The utility model also provides a vehicle-mounted charger, it includes above-mentioned technical scheme ann rule transformer 10.
The vehicle-mounted charger provided by the embodiment can solve the safety regulation problem of the magnetic elements, reduce the distance between the magnetic elements, reduce the size of the whole charger, save materials and labor cost, and further improve the product competitiveness.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may apply the equivalent embodiments modified or modified by the above technical contents disclosed as equivalent variations to other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. A safety-regulation positioning heat-dissipation protective shell for a magnetic element is characterized by comprising a shell, wherein the shell is provided with magnetic core holes penetrating through the left end and the right end, and the magnetic core holes are used for mounting magnetic cores; the shell comprises two shell covers with the same structure and a middle spacer, wherein the upper end and the lower end of each shell cover are respectively provided with an upper heat dissipation port and a lower heat dissipation port; the two shell covers are in butt joint with the left side and the right side of the middle spacer to form two inner cavities for containing coils, winding portions are arranged in the inner cavities, the winding portions are arranged on the inner sides of the shell covers, and the magnetic core holes penetrate through the winding portions.
2. The magnetic element safety-regulation positioning heat-dissipation protective case according to claim 1, wherein the case cover comprises an annular cover body with an upper opening and a lower opening, a base is arranged at the lower opening of the annular cover body, and the lower heat-dissipation opening is formed in the base.
3. The magnetic element safety positioning heat dissipation protective casing as claimed in claim 2, wherein a first wire passing groove is formed in the base, the first wire passing groove is formed in the edge of the lower heat dissipation port, second wire passing grooves are formed in two sides of the middle spacer, and two wire outlet ends of the coil are respectively clamped in the first wire passing groove and the second wire passing groove.
4. The magnetic element safety-regulation positioning heat-dissipation protective case as claimed in claim 3, wherein the first wire passing groove and the second wire passing groove are arranged in a staggered manner, and both the first wire passing groove and the second wire passing groove are formed by two positioning columns which are arranged oppositely.
5. The magnetic element safety-regulation positioning heat-dissipation protective case according to claim 2, wherein a positioning portion is convexly arranged on the outer side of the base, and a side heat-dissipation opening communicated with the corresponding inner cavity is formed in the positioning portion.
6. The magnetic element safety-regulation positioning heat-dissipation protective case according to any one of claims 2 to 5, wherein a limiting portion is arranged at an upper opening of the annular cover body, the upper heat-dissipation opening is formed in the limiting portion, and the base, the limiting portion and the outer side of the annular cover body form a clamping groove.
7. The magnetic element safety-regulation positioning heat-dissipation protective case as claimed in claim 1, wherein a first clamping portion is arranged on the case cover, a second clamping portion matched with the first clamping portion is arranged on the middle spacing piece, and the first clamping portion and the second clamping portion are matched to enable the case cover and the middle spacing piece to be integrally assembled.
8. The magnetic element safety-regulation positioning heat-dissipation protective case according to claim 7, wherein the first clamping portion comprises a clamping groove, and the second clamping portion comprises a buckle.
9. A safety transformer, comprising the magnetic element safety positioning heat dissipation protective casing of any one of claims 1 to 8, and further comprising two coils and two magnetic cores with the same structure, wherein the two coils are wound on the two winding parts respectively, the two magnetic cores are arranged on two sides of the shell in a mirror image manner, each magnetic core is provided with a convex part, and the convex parts are arranged in the magnetic core holes in a penetrating manner.
10. A vehicle-mounted charger characterized by comprising the safety transformer of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220953516.8U CN217239202U (en) | 2022-04-24 | 2022-04-24 | Magnetic element safety-regulation positioning heat dissipation protective shell, safety-regulation transformer and vehicle-mounted charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220953516.8U CN217239202U (en) | 2022-04-24 | 2022-04-24 | Magnetic element safety-regulation positioning heat dissipation protective shell, safety-regulation transformer and vehicle-mounted charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217239202U true CN217239202U (en) | 2022-08-19 |
Family
ID=82821987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220953516.8U Expired - Fee Related CN217239202U (en) | 2022-04-24 | 2022-04-24 | Magnetic element safety-regulation positioning heat dissipation protective shell, safety-regulation transformer and vehicle-mounted charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217239202U (en) |
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2022
- 2022-04-24 CN CN202220953516.8U patent/CN217239202U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220819 |