CN211128666U - Power tube mounting structure and charger comprising same - Google Patents
Power tube mounting structure and charger comprising same Download PDFInfo
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- CN211128666U CN211128666U CN201921715442.9U CN201921715442U CN211128666U CN 211128666 U CN211128666 U CN 211128666U CN 201921715442 U CN201921715442 U CN 201921715442U CN 211128666 U CN211128666 U CN 211128666U
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- power tube
- power
- pressing sheet
- tube mounting
- mounting structure
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a power tube mounting structure and contain machine that charges of this structure. Power tube mounting structure, it includes parting strip and two at least power tubes, the parting strip is formed with the power tube installation position that a plurality of is used for accepting the power tube, a plurality of power installation position is and arranges side by side, the front side of every power installation position is provided with the antetheca, be formed with the jack that a plurality of supplied power tube pin passed on the antetheca, the preforming pad is established in the bottom of power tube installation position and is spaned two at least adjacent power tube installation positions, be provided with the pilot hole that staggers the power tube setting on the preforming, the jack that power tube antetheca was passed with preforming contact and power tube's pin. The charger comprises a shell and a PCB, wherein the PCB is fixed with the shell, pins of the power tube are welded and fixed with the PCB, a mounting hole corresponding to the pressing sheet is formed in the shell, the screw penetrates through the mounting hole in the shell to be matched with the assembling hole of the pressing sheet, and the power tube is pressed on the surface of the shell.
Description
Technical Field
The utility model relates to an electrical component's assembly and fixed knot construct, in particular to power tube mounting structure and contain the machine that charges of this structure.
Background
With the high-speed development of electric automobile technology, a vehicle-mounted charger is particularly important in the field of new energy electric automobiles, and a power tube as a switching element is one of essential elements of the vehicle-mounted charger, and the importance of the power tube is particularly prominent. At present, along with the continuous improvement of people's standard of living, the charging efficiency of on-vehicle machine that charges also urgently needs to improve, when promoting the machine performance that charges, the used power tube quantity and the performance of single machine that charges also increase to some extent, and the fixed mode of installation of power tube is also constantly changing.
The fixed mode of power pipe is mostly two kinds on the current market, one kind is the round hole that utilizes on the power pipe, it is together fixed with power pipe and aluminum hull through screw or rivet, this kind of fixed mode is comparatively reliable, and easy operation, but when power pipe quantity increases, the shortcoming shows, at first in the aspect of the mounting process, several power pipe all need insert on the circuit board one by one, lead to the production water line efficiency to reduce, cross the wave-soldering before the circuit board, because of power pipe quantity is more, the positioning error increase of its carrier (fixed power pipe and circuit board), the assembly error increase of power pipe and circuit board, furthermore, when with rivet and screw fixation, the bearing surface of power pipe and rivet or gasket contact is less, lead to the contact that power pipe and aluminum hull can not be fine, the power pipe heat dissipation is relatively poor, the performance descends, and the life-span reduces.
Another kind of fixed mode is with having certain elastic stainless steel rectangular pressure on several power tube, and the rigidity of this stainless steel layering can have multiple form, like screw fixation, rely on aluminum hull and billet structure to unite fixedly etc. this kind of fixed mode and last fixed mode have the same defect in the aspect of the mounting process, lead to low in production efficiency, and installation error is big, and another shortcoming is: the stainless steel pressing bar has larger volume, and each component of the circuit board must keep a certain safe distance with the stainless steel pressing bar, so that the space utilization rate is greatly reduced.
Disclosure of Invention
An object of the utility model is to provide a can reach electric isolation protection, can make things convenient for the power tube mounting structure of fixed mounting many power tubes and contain the machine that charges of this structure again in putting into production, solve the problem that prior art exists.
The above technical purpose of the present invention is mainly solved by the following technical solutions: the power tube mounting structure comprises a separation strip and at least two power tubes, wherein the separation strip is provided with a plurality of power tube mounting positions for receiving the power tubes, the power tube mounting positions are at least two, the power tube mounting positions are arranged side by side, the front side of each power tube mounting position is provided with a front wall, a plurality of jacks for pins of the power tubes to pass through are formed in the front wall, pressing sheets are arranged at the bottoms of the power tube mounting positions and span at least two adjacent power tube mounting positions, assembling holes for staggering the power tubes to be arranged are formed in the pressing sheets, and the pins of the power tubes and the pressing sheets are in contact and pass through the jacks on the front wall of the power tube mounting positions. Before the power tube is assembled, the pressing sheet pad is firstly arranged at the bottom of the power tube mounting position, a plurality of power tubes can be pre-arranged in the power tube mounting position of the isolating bar and are contacted with the pressing sheet, pins of the power tubes are inserted from one end of the jack close to the power tube mounting position and extend out from the other end, therefore, the power tube, the pressing sheet and the isolating strip are assembled into a component, when the assembly is finally assembled, the pins of the power tube of the component are inserted into the pin holes of the PCB in an aligning way, the component is installed on the installation part through the screws, the power tube is tightly attached to the installation part, a plurality of power tubes can be installed at one time, on one hand, the assembly efficiency on the production line is improved, therefore, the productivity is improved, the assembly precision is improved, and the power tube mounting position and the jack on the isolating strip strictly fix the assembly position of the power tube, so that the assembly error of the whole machine is reduced, and the defective rate is reduced.
Preferably, at least one pressing sheet caulking groove matched with the pressing sheet is formed at the bottom of the isolating strip, each pressing sheet caulking groove spans two power tube installation positions, and pressing sheet transverse limiting bulges for transversely limiting the pressing sheet are respectively arranged at two ends of each pressing sheet caulking groove. The spacing strip bottom forms the preforming caulking groove again and can fixes a position the preforming to guarantee that the power tube can play good effect that compresses tightly to the power tube after being assembled, the preforming spanes two power tube installation positions and then utilizes the both ends of preforming to compress tightly the power tube, forms the structure of similar gap bridge and guarantees the good contact of preforming and power tube, plays and compress tightly the good of power tube. The transverse limiting protrusions at the two ends of the pressing sheet caulking groove can further ensure the relative position of the pressing sheet and the power tube installation position, so that the pressing sheet can play a good pressing role on the power tube.
Preferably, the pressing sheet and the power tube in the adjacent power tube installation position form a bridge connection. The two ends of the pressing sheet are in contact with the power tubes in the adjacent power tube mounting positions, and the middle part of the pressing sheet is separated from the power tubes by a certain distance, so that gap bridge connection is formed between the pressing sheet and the power tubes. The two ends of the pressing sheet are provided with pressing parts bent towards the direction of the power tube, the middle of the pressing sheet is arched, and the pressing sheet forms an arched structure. The two ends of the pressing sheet are provided with pressing parts bent towards the direction of the power tube, and the two ends of the pressing sheet caulking groove are respectively provided with a pressing sheet transverse limiting bulge for transversely limiting the pressing sheet. The pressing parts at the two ends of the pressing piece enable the pressing piece to form an arch structure, so that the pressing piece can be guaranteed to have a good pressing effect on the power tube only by less matching of the screw and the pressing piece assembling hole during assembling.
Preferably, a power tube isolation part is arranged between adjacent power tube installation positions on the isolation strip, which are spanned by the same pressing sheet caulking groove. The power tube isolation part can ensure that the adjacent power tubes compressed by the same pressing piece are isolated from each other by the height so as to ensure various performances of the power tubes.
Preferably, the power tube isolation part is positioned between the front walls of the adjacent power tube installation positions, and a pressing sheet rear limiting bulge is arranged on the rear side of the isolation strip relative to the power tube isolation part; the position that the parting strip corresponds to the preforming pilot hole is equipped with the recess of stepping down. The power tube isolation parts are arranged between the front walls of the adjacent power tube installation positions, so that the small power tube isolation parts can be matched with the jacks on the front walls to achieve good isolation between the adjacent power tubes, and the power tube isolation parts with the same length as the front and back directions of the power tubes are not required to be arranged, so that the manufacturing consumables of the isolation strips are reduced, and the manufacturing cost is reduced; in addition, the limiting bulge can be matched with the power tube isolation part to position the pressing piece in the front-back direction, so that the subsequent assembly of the power tube is facilitated, and the reliable compression of the power tube is guaranteed. The arrangement of the abdicating groove can avoid the offset of the screw and the isolating strip when the power tube is assembled.
Preferably, the isolation strip is integrally formed by injection molding of a PA66 nylon material. The isolating strip made of PA66 nylon material plays an important role in the whole assembly, the isolating strip has low thermal conductivity and heat resistance to isolate the high heat generated by the power tube, most of the heat is transferred to the shell to protect the electric elements on the other side of the isolating strip, so that the service life of the electric elements is prolonged, and the isolating and protecting functions are achieved.
Preferably, a rear baffle is arranged on the rear side of the power tube mounting position of the isolation strip relative to the front wall, the height of the rear baffle is smaller than the thickness of the power tube, and the width of the rear baffle is smaller than the transverse width of the power tube. The rear baffle body can strengthen and position the power tube in the front and rear direction of the power tube in the power tube mounting position of the isolating strip, so as to prevent the power tube from loosening and sliding out; the height of the rear baffle body is smaller than the thickness of the power tube, and the width of the rear baffle body is smaller than the transverse width of the power tube, so that the power tube can be reliably positioned, and meanwhile, the power tube can be conveniently installed and taken out.
Preferably, the insertion holes of the front wall of the power tube mounting position are uniformly inclined upwards or downwards, so that when the pins of the power tube are inserted into the insertion holes, the pins of the power tube generate certain flexible force, and the power tube is further pre-positioned in the power tube mounting position to prevent the power tube from falling off during final assembly.
Contain the utility model discloses power tube mounting structure's machine that charges, including casing and PCB board, the PCB board is fixed with the casing, and power tube pin and PCB board welded fastening are provided with the mounting hole that corresponds with the preforming on the casing, and the mounting hole that the screw passed on the casing cooperates with the pilot hole of preforming, and the power tube is compressed tightly on housing face. During the assembly, with preforming, parting bead and a plurality of power tube assembly success rate subassembly in advance, then assemble one or more subassemblies and PCB board that assemble in advance, be about to the pin and the PCB version welding of power tube together, adopt the mounting hole that the screw passed the casing again and the pilot hole cooperation on the preforming, it is fixed with power tube subassembly and casing. Carry out the heat transfer between power tube and the casing, compress tightly through screw and preforming between the two, the preforming pressure-bearing surface is big, and the power tube pressure intensity that receives is even (the atress is not concentrated), reduces the destroyed risk greatly, and the laminating is better between even power tube of stressing and the casing in addition, and it is more even to transfer heat, and heat dispersion is stronger. The effect of barrier strip in whole assembly part is especially important, the barrier strip adopts the PA66 nylon material, the barrier strip can be isolated with the high heat that the power tube produced because of low heat conductivity and heat resistance, most heat passes to the casing, the electric elements of barrier strip another side has been protected, thereby the life of electric elements has been improved, play the isolation and guard action, also because its insulating and pressure resistant performance is high, the tube power has been kept apart, other components and parts around the power tube have been protected, play the isolation and protection effect, the space utilization in the battery charger has also been improved greatly.
Preferably, an insulating gasket is arranged between the power tube and the shell, and an insulating rubber seat is arranged between the shell mounting hole and the screw. The screw and the power tube are insulated by an insulating rubber seat (made of bakelite or nylon material), so that the insulating property is ensured, and the insulating rubber seat can be omitted if the power tube does not need insulation treatment.
Therefore, the utility model has the advantages of it is following:
on one hand, the assembly efficiency on the production line is improved, so that the production efficiency is improved, on the other hand, the assembly precision is improved, and the power tube mounting position and the jack on the isolating strip strictly fix the assembly position of the power tube, so that the assembly error of the whole machine is reduced, and the defective rate is reduced.
The pressure that the power tube receives is even (the atress is not concentrated), reduces the destroyed risk greatly, and the laminating is better between even power tube of atress and the casing in addition, and it is more even to transfer heat, and heat dispersion is stronger. The effect of parting strip in whole assembly part is especially important, the parting strip low heat conductivity and heat resistance can be isolated with the high heat that the power tube produced, most heat passes to the casing, the electric elements of parting strip another side have been protected to improve electric elements's life, play isolation and guard action, also because its insulating withstand voltage performance is high, the pipe power has been kept apart, other components and parts around the power tube have been protected, play the isolation guard action, space utilization in the machine of also having improved the charger greatly.
Drawings
FIG. 1 is a cross-sectional view of an assembly structure of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic structural view of the parting strip of the present invention;
fig. 4 is a schematic view of the assembly structure of the isolation strip, the power tube and the pressing sheet of the present invention.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
As shown in fig. 4, the pressing sheet 11 made of stainless steel is arranged in the pressing sheet caulking groove at the bottom of the power tube mounting position and spans two power tube mounting positions, pressing portions 12 bent towards the power tube direction are formed at two ends of the pressing sheet 11, the middle of the pressing sheet is arched, the pressing sheet forms an arched structure, a mounting hole 13 formed in the middle of the pressing sheet and staggered with the power tube is formed in the middle of the pressing sheet, the mounting hole 13 is an internal screw hole, and a yielding groove 14 is formed in the position, corresponding to the mounting hole of the pressing sheet, of the isolating bar as shown in fig. 3. As shown in fig. 1, one pad 11 corresponds to two power transistors 2. As shown in fig. 4, the power tube 2 is in contact with the wafer 11 and the pin 15 of the power tube passes through the receptacle on the front wall of the power tube mounting location. As shown in fig. 1, both ends of the pressing sheet 11 are in contact with the power tube located in the adjacent power tube mounting location, and the middle part of the pressing sheet is spaced from the power tube by a certain distance, so that the pressing sheet 11 and the power tube 2 located in the adjacent power tube mounting location form a gap bridge connection.
As shown in fig. 1 and 2, the utility model discloses a charger, including casing 16 and PCB 17, PCB 17 is fixed with casing 16, and pin 15 and PCB 17 welded fastening of power tube 2 are provided with the mounting hole 18 that corresponds with the pilot hole of preforming 11 on the casing 16, and screw 19 passes the mounting hole 19 on the casing 16 and cooperates with the pilot hole 13 of preforming, and power tube 2 is compressed tightly and forms heat-conduction at the casing surface. An insulation pad 20 is disposed between the power tube 2 and the housing 16, the insulation pad 20 is a silicon rubber sheet, and an insulation rubber seat 21 is disposed between the housing mounting hole and the screw. Other structures and components of the charger are conventional structures and conventional parts in the field, and are not described again.
Before the power tube is assembled, the pressing sheet pad is firstly arranged in the pressing sheet caulking groove at the bottom of the power tube mounting position, each pressing sheet corresponds to two power tubes, one isolating strip corresponds to four power tubes, the power tubes are pre-arranged in the power tube mounting positions of the isolating strips and are in contact with the pressing sheets, pins of the power tubes are inserted from one ends, close to the power tube mounting positions, of the jacks and extend out of the other ends of the power tubes, and therefore the power tubes, the pressing sheets and the isolating strips are assembled into a component.
During the assembly, in advance with preforming, parting strip and a plurality of power tube assembly success rate subassembly, then assemble in advance one or more subassemblies and PCB board, be about to the pin and the PCB version welding of power tube together, adopt the mounting hole that the screw passed the casing again and the pilot hole cooperation on the preforming, it is fixed with power tube subassembly and casing. Carry out the heat transfer between power tube and the casing, compress tightly through screw and preforming between the two, the preforming pressure-bearing surface is big, and the power tube pressure intensity that receives is even (the atress is not concentrated), reduces the destroyed risk greatly, and the laminating is better between even power tube of stressing and the casing in addition, and it is more even to transfer heat, and heat dispersion is stronger. The effect of barrier strip in whole assembly part is especially important, the barrier strip adopts the PA66 nylon material, the barrier strip can be isolated with the high heat that the power tube produced because of low heat conductivity and heat resistance, most heat passes to the casing, the electric elements of barrier strip another side has been protected, thereby the life of electric elements has been improved, play the isolation and guard action, also because its insulating and pressure resistant performance is high, the tube power has been kept apart, other components and parts around the power tube have been protected, play the isolation and protection effect, the space utilization in the battery charger has also been improved greatly.
Claims (10)
1. The utility model provides a power tube mounting structure, its characterized in that includes parting strip and two at least power tubes, the parting strip is formed with the power tube installation position that a plurality of is used for accepting the power tube, and the power tube installation position is two at least, a plurality of power installation position is and arranges side by side, and the front side of every power installation position is provided with the antetheca, is formed with the jack that a plurality of supplied power tube pin to pass on the antetheca, and the preforming pad is established in the bottom of power tube installation position and is strideed two at least adjacent power tube installation positions, is provided with the pilot hole that staggers the power tube setting on the preforming, and the jack that power tube and preforming contact and power tube's pin passed power tube installation position antetheca is formed.
2. The power tube mounting structure according to claim 1, wherein the bottom of the spacer is formed with at least one pressing sheet caulking groove for fitting with the pressing sheet, each pressing sheet caulking groove spans two power tube mounting positions, and pressing sheet lateral limiting protrusions for laterally limiting the pressing sheet are respectively provided at both ends of the pressing sheet caulking groove.
3. The power tube mounting structure of claim 2, wherein said pressing piece forms a bridge connection with a power tube located in an adjacent power tube mounting location.
4. The power tube mounting structure according to claim 1, 2 or 3, wherein a power tube isolation portion is provided between adjacent power tube mounting locations on the isolation bar that are spanned by the same pressing caulking groove.
5. The power tube mounting structure according to claim 4, wherein the power tube isolation portion is located between the front walls of the adjacent power tube mounting locations, and a pressing piece rear limiting protrusion is provided on the rear side of the isolation bar relative to the power tube isolation portion; the position that the parting strip corresponds to the preforming pilot hole is equipped with the recess of stepping down.
6. The power tube mounting structure according to claim 1, 2 or 3, wherein the spacers are integrally injection-molded using PA66 nylon material.
7. The power tube mounting structure according to claim 1, 2 or 3, wherein a rear stopper is provided at a rear side of the power tube mounting site of the barrier rib with respect to the front wall, a height of the rear stopper is smaller than a thickness of the power tube, and a width of the rear stopper is smaller than a lateral width of the power tube.
8. The power tube mounting structure according to claim 1, 2 or 3, wherein the insertion holes of the front wall of the power tube mounting portion are uniformly inclined upward or downward.
9. A charger, which comprises the power tube mounting structure of any one of claims 1-8, and comprises a housing and a PCB, wherein the PCB is fixed with the housing, pins of the power tube are welded with the PCB, the housing is provided with mounting holes corresponding to press sheets, screws penetrate through the mounting holes on the housing to be matched with the assembly holes of the press sheets, and the power tube is pressed on the surface of the housing.
10. The charger according to claim 9, characterized in that an insulating gasket is disposed between the power tube and the housing, and an insulating rubber seat is disposed between the housing mounting hole and the screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921715442.9U CN211128666U (en) | 2019-10-14 | 2019-10-14 | Power tube mounting structure and charger comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921715442.9U CN211128666U (en) | 2019-10-14 | 2019-10-14 | Power tube mounting structure and charger comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211128666U true CN211128666U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921715442.9U Active CN211128666U (en) | 2019-10-14 | 2019-10-14 | Power tube mounting structure and charger comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211128666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110708912A (en) * | 2019-10-14 | 2020-01-17 | 杭州铁城信息科技有限公司 | Power tube mounting structure and charger comprising same |
-
2019
- 2019-10-14 CN CN201921715442.9U patent/CN211128666U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110708912A (en) * | 2019-10-14 | 2020-01-17 | 杭州铁城信息科技有限公司 | Power tube mounting structure and charger comprising same |
| CN110708912B (en) * | 2019-10-14 | 2023-08-22 | 铁城信息科技有限公司 | Power tube mounting structure and charging machine comprising same |
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Address after: 310015 Room 501, building 1, 108 Xiangyuan Road, Gongshu District, Hangzhou City, Zhejiang Province Patentee after: Tiecheng Information Technology Co.,Ltd. Address before: 310015 Room 501, building 1, 108 Xiangyuan Road, Gongshu District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU TIECHENG INFORMATION TECHNOLOGY Co.,Ltd. |