CN212073689U - Water-cooling box structure with plug - Google Patents
Water-cooling box structure with plug Download PDFInfo
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- CN212073689U CN212073689U CN202020321180.4U CN202020321180U CN212073689U CN 212073689 U CN212073689 U CN 212073689U CN 202020321180 U CN202020321180 U CN 202020321180U CN 212073689 U CN212073689 U CN 212073689U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model discloses a water-cooling box structure with end cap, produce the end cap structure according to the demand, preceding frame, left side frame, back frame, right side frame and business turn over water structure, business turn over water structure includes the end cap structure, the water inlet nozzle, faucet and water-cooling board, the end cap structure is including the aluminium alloy solid slab who sets up the triangle-shaped mouth of a river, the water inlet nozzle inserts the triangle-shaped mouth of a river with the faucet and fixes, the water course has been seted up to the water-cooling board, water course and business turn over water nozzle intercommunication, water-cooling board both sides and end cap structure and back frame weld through FSW integratively, pass the front frame into the water inlet nozzle and form deep cavity water-cooling box structure through FSW welding with left side frame and right frame. In this way, the utility model discloses water-cooling box structure with end cap is applicable to the higher box of height, adds the end cap structure, and the gas tightness is guaranteed at end cap structure and back frame and water-cooling plate leak source department processing breach and TIG welding shutoff mode, improves batch production efficiency, reduction in production cost.
Description
Technical Field
The utility model relates to an automobile parts technical field especially relates to a water-cooling box structure with end cap.
Background
In recent years, the new energy automobile industry is rapidly developed, and a large number of aluminum extruded sections are applied to new energy automobile battery trays, so that the lightweight level of the whole new energy automobile is improved.
At present, the commercial bus in the market has large electric demand, so that more aluminum alloy commercial bus battery boxes are needed. The existing battery box body is mainly a metal plate box body, the early development cost is very high, a stamping die needs to be opened, the period is long, and the weight is heavy, so that the requirement of light weight of an automobile cannot be met.
The aluminum alloy box body is a future trend, and only a plurality of aluminum alloy extrusion dies need to be developed relative to the sheet metal box body, so that the cost is low and the period is short.
The scheme structure of the existing aluminum alloy standard box is shown in figures 1-2, and comprises the following steps: 1', a front frame, 2', a rear frame, 3', a left frame, 4', a right frame, 5', a bottom plate, 6', a sleeve, 7', a lifting lug, 8', an upper cover mounting hole, 9', a module mounting hole, 10', a BMS support, 11' and a brazing cold plate.
Most of the box bodies on commercial buses in the industry at present adopt the scheme, and only the appearance, the height, the internal arrangement and the like of the box bodies are different.
The main disadvantages of the above aluminum alloy standard box scheme are: the battery box body needs to be developed independently, and meanwhile, the water-cooling plate is brazed, so that the process is complex and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing a water-cooling box body structure with an end cap, which is suitable for a box body with higher height, integrates the box body and a water-cooling plate into a whole, adds the end cap structure in a deep cavity box body structure, designs dense water holes in the end cap, welds a water inlet nozzle and a water outlet nozzle on the plane of the end cap to form a water channel structure, and forms a water-cooling circulation system together with the water-cooling plate and a rear frame; the gaps are machined at FSW leakage points of the plug structure, the rear frame and the water cooling plate, and the air tightness qualification rate is guaranteed by using a TIG welding plugging mode, so that the batch production efficiency is improved, and the production cost is reduced.
In order to solve the technical problem, the utility model discloses a technical scheme be: provided is a water-cooling box structure with a plug, including: a front frame, a left frame, a rear frame, a right frame and a water inlet and outlet structure,
the water inlet and outlet structure comprises a plug structure, a water inlet nozzle, a water outlet nozzle and a water cooling plate, the plug structure comprises an aluminum section solid plate, a triangular water gap is arranged on the aluminum section solid plate, the water inlet nozzle and the water outlet nozzle are inserted into the triangular water gap and welded and fixed, a water channel is arranged on the water cooling plate, one end of the water channel is communicated with the water inlet nozzle, the other end of the water channel is communicated with the water outlet nozzle,
the front side and the rear side of the water cooling plate are respectively welded with the plug structure and the rear frame into a whole through FSW, and then the front frame penetrates through the water inlet nozzle and the water outlet nozzle and is welded with the left frame and the right frame through FSW to form a deep-cavity water cooling box body structure.
In a preferred embodiment of the present invention, the left and right sides of the aluminum solid plate are provided with triangular water inlets for the water inlets and the water outlets to be inserted into the adapter, the inner space of the triangular water inlet forms a water storage transition area, and water passage holes are disposed in the water storage transition area.
In a preferred embodiment of the present invention, the water inlet nozzle and the water outlet nozzle are welded on the triangular nozzle on the left and right sides of the solid aluminum plate, and a full-weld circle is formed along the triangular nozzle where the water inlet nozzle and the water outlet nozzle meet.
In a preferred embodiment of the present invention, a stirring and welding support block is provided on one side of the solid aluminum section plate connected to the water cooling plate for inserting the water cooling plate, and the water channel on the water cooling plate is separated by the stirring support block.
In a preferred embodiment of the present invention, the front and rear sides of the water-cooling plate are respectively inserted into the plug structure and the rear frame, and the splicing seam between the water-cooling plate and the plug structure and the rear frame is formed by double-sided FSW welding.
In a preferred embodiment of the present invention, the water pipe is connected to the outside of the water-cooling box structure, and the water flows through the water channel of the water-cooling plate injected by the water inlet nozzle, flows along a predetermined flow direction in the water channel, and then flows out toward the water outlet nozzle, thereby forming a water-cooling circulation system.
In a preferred embodiment of the present invention, the depth of FSW welding between the plug structure and the back frame and the water-cooling plate is 2 mm.
In a preferred embodiment of the present invention, the end cap structure and the side edges of the rear frame and the water-cooling plate welded by the double-sided FSW are formed with 4 notches, and the 4 notches are opened to form a semicircular fan-shaped notch.
In a preferred embodiment of the present invention, the semicircular fan-shaped notch is blocked by TIG full weld and then ground flat.
The utility model has the advantages that: the water-cooling box body structure with the plug is suitable for a box body with a higher height, the box body and the water-cooling plate are integrated, the plug structure is additionally arranged in the deep-cavity box body structure, water collecting holes are densely designed in the plug, a water inlet nozzle and a water outlet nozzle are welded on the plane of the plug to form a water channel structure, and a water-cooling circulation system is formed by the water inlet nozzle, the water outlet nozzle, the water-cooling plate and the rear frame;
the gaps are machined at FSW leakage points of the plug structure, the rear frame and the water cooling plate, and the air tightness qualification rate is guaranteed by using a TIG welding plugging mode, so that the batch production efficiency is improved, and the production cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
FIG. 1 is a schematic structural diagram of a preferred embodiment of a standard aluminum alloy box solution of the prior art;
FIG. 2 is a schematic structural view of a preferred embodiment of a brazed cold plate in a standard aluminum alloy tank version of the prior art;
FIG. 3 is a schematic structural view of a preferred embodiment of the water-cooled box with a plug according to the present invention;
FIG. 4 is a schematic structural diagram of a preferred embodiment of a plug structure in the water-cooling box structure with a plug according to the present invention;
FIG. 5 is a schematic structural view of another preferred embodiment of the plug structure of the water-cooling box with plug of the present invention;
FIG. 6 is a schematic structural view of a preferred embodiment of the present invention, in which a water cooling plate is connected to a plug structure and a rear frame;
FIG. 7 is a schematic structural view of the water-cooled plate and the plug structure after FSW double-side welding with the rear frame in the water-cooled box structure with the plug of the present invention;
FIG. 8 is an enlarged view of a portion A of FIG. 7;
FIG. 9 is a partially enlarged front view of A in FIG. 7;
the parts in the drawings are numbered as follows: 1', a front frame, 2', a rear frame, 3', a left frame, 4', a right frame, 5', a bottom plate, 6', a sleeve, 7', a lifting lug, 8', an upper cover mounting hole, 9', a module mounting hole, 10', a BMS bracket, 11', a brazing cold plate,
1. front frame, 2, end cap structure, 201, triangle-shaped mouth of a river, 202, water channel hole, 203, stir welding supporting shoe, 3, back frame, 4, the left frame, 5, the right frame, 6, water-cooling board, 601, the water course, 7, the inlet nozzle, 8, the faucet, 9, semicircle fan-shaped breach, 10, hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 3 to 9, an embodiment of the present invention includes:
example one
A water-cooling box body structure with plugs mainly aims at a box body with a high height and comprises a front frame 1, a left frame 4, a rear frame 3, a right frame 5 and a water inlet and outlet structure, wherein the water inlet and outlet structure comprises a plug structure 2, a water inlet nozzle 7, a water outlet nozzle 8 and a water-cooling plate 6.
The plug structure 2 comprises an aluminum profile solid plate 204, a triangular water gap 201 is formed in the aluminum profile solid plate 204, a water inlet nozzle 6 and a water outlet nozzle 7 are inserted into the triangular water gap 201 and are welded and fixed, a water channel 601 (the flow direction is shown by an arrow in fig. 3) is formed in the water cooling plate 6, one end of the water channel 601 is communicated with the water inlet nozzle 7, the other end of the water channel 601 is communicated with the water outlet nozzle 8, and the front side and the rear side of the water cooling plate 6 are respectively welded with the plug structure and the rear frame into a whole.
And after the air tightness of the water cooling plate 6 is qualified, the front frame 1 penetrates through the water inlet nozzle 7 and the water outlet nozzle 8 and is welded with the left frame 4 and the right frame 5 through FSW (free space W) to form a deep-cavity water cooling box structure, and the water nozzle and the triangular water gap 201 on the aluminum section solid plate are fully welded to ensure the air tightness of the box structure.
Specifically, the left and right sides of the solid aluminum section bar plate is provided with a triangular water gap 201 which can be used for inserting the water inlet nozzle and the water outlet nozzle into the adaptation, the inner space of the triangular water gap 201 forms a water storage transition area, and a water channel hole 202 is arranged in the water storage transition area.
One side that the solid board 204 of aluminium alloy links to each other with water-cooling plate 6 is provided with stir welding supporting shoe 203 for insert water-cooling plate 6, water course 601 on the water-cooling plate 6 separates through stirring supporting shoe 203, plays the supporting role simultaneously at the stir welding in-process, and the stir welding can not sink when fast passing through water channel hole 202, and there is slight deformation inside the water channel hole 202, nevertheless does not influence business turn over water.
The water inlet nozzle 7 and the water outlet nozzle 8 are welded on the triangular water gaps 201 on the left side and the right side of the aluminum profile solid plate 204, and a TIG welding mode is adopted to fully weld a circle along the joint of the triangular water gap 201 and the water inlet nozzle 7 and the water outlet nozzle 8, so that the air tightness is ensured;
then, the front side and the rear side of the water-cooling plate 6 are respectively inserted into the plug structure 2 and the rear frame 3, and the splicing seams of the water-cooling plate 6 and the plug structure 2 and the rear frame 3 are welded by adopting double-sided FSW.
The water pipe is connected to the outer side of the water-cooling box body structure, water flow is injected into the water channel 601 of the water-cooling plate 6 through the water inlet nozzle 7, then flows along the set flow direction in the water channel 601, and then flows out towards the water outlet nozzle 8, so that a water-cooling circulation system is formed.
The depth of the plug structure 2 and the back frame 3 welded with the double-sided FSW of the water cooling plate 6 is 2mm, the plug structure does not penetrate through the cold plate 6, the side edge has a gap to leak water, the plugging is needed, the total number of the positions is 4, and the air tightness requirement of the water cooling plate 6 is as follows: introducing 0.3MPa compressed air, keeping 1 minute, and reducing pressure drop less than 100 Pa.
In order to meet the airtight requirement, 4 notches are formed in the side edges of the plug structure, the rear frame and the water cooling plate after being welded through the double-sided FSW, the 4 notches are arranged to form a semicircular fan-shaped notch 9, when the small hole 10 inside the plug structure is seen, the operation size of the welding gun head is optimized, cutting fluid is not added at best during machining, water cannot exist, the cutting fluid can enter the bottom plate, the cutting fluid cannot be cleaned up, the TIG welding is affected to form air holes, and the airtightness is affected.
Then, the semi-circular fan-shaped notch 9 is repaired, and the method comprises the following two steps:
step one, visually observing the small hole 10, then performing TIG welding to seal the small hole, wherein no air hole can be formed, if some small holes are formed, polishing off the small hole, re-welding the small hole, and performing the next operation after confirming that no problem exists;
and secondly, surfacing, namely filling a large gap of a TIG full weld scar, and finally polishing the weld scar higher than a plane to be flat, wherein the airtightness reliability is optimal, if the gap is not opened or is opened to be very small, a tunnel air hole is often formed in a welding seam, and the airtightness qualified rate is only about 50%.
The scheme that the notch is machined and the water cooling plate is blocked by TIG welding can ensure that the airtight qualified rate of the water cooling plate reaches about 98 percent.
A plug structure is designed in the deep cavity box body structure, water collecting holes are designed in the plugs, a water inlet nozzle and a water outlet nozzle are welded on the plane of the plugs to form a water channel structure, and a water cooling circulating system is formed by the water inlet nozzle, the water outlet nozzle, a water cooling plate and a rear frame,
the gaps are machined at FSW leakage points of the plug structure, the rear frame and the water cooling plate, and the air tightness qualification rate is guaranteed by using a TIG welding plugging mode, so that the batch production efficiency is improved, and the production cost is reduced.
Example two
A production process of a water-cooling box body structure with a plug comprises the following steps:
a. and (3) processing of the plug structure 2:
selecting an aluminum profile type solid plate 204 according to actual requirements, processing a triangular water gap 201 on the aluminum profile type solid plate 204, processing a through water channel hole 202 in the inner space of the triangular water gap 201 by adopting a deep space drill,
finally, installing a stirring welding supporting block 203 on one side of the aluminum profile type solid plate 204 connected with the water cooling plate;
b. and (3) processing of a rear frame:
processing the aluminum alloy section according to actual requirements to obtain a rear frame;
c. and (3) processing a water-cooling plate 6:
processing the aluminum alloy section according to actual requirements to obtain a water cooling plate 6, and processing a corresponding water channel 601 on the water cooling plate 6;
d. the plug structure 2 and the rear frame 3 are welded with the water cooling plate 6 in a FSW mode:
inserting one side of a water-cooling plate 6 into the stirring welding supporting block 203 of the plug structure 2, inserting the other side of the water-cooling plate into the rear frame 3, and then adopting double-sided FSW at a splicing seam;
e. processing a notch on the water cooling plate 6:
4 notches are formed in the side edge of the water cooling plate 6, the plug structure 2 and the rear frame 3 after double-sided FSW welding, and the 4 notches are processed to form a semicircular fan-shaped notch 9 until an inner small hole 10 is seen, so that the operation size of the welding gun head is optimized conveniently;
f. welding the water nozzle and the notch:
the water inlet nozzle 7 and the water outlet nozzle 8 are respectively inserted into the triangular water gap 201 on the front frame, and are fully welded for a circle along the joint of the triangular water gap 201 and the water inlet nozzle 7 and the water outlet nozzle 8 by adopting a TIG welding mode,
then visually plugging the small hole 10 in the semicircular fan-shaped notch 9 in the step e by TIG welding, wherein no air hole can be formed, if the air hole exists, the air hole needs to be ground and then welded again,
after confirming that no problem exists, adopting TIG welding to stack the semicircular fan-shaped notch 9 of the crater to fill, and finally polishing the crater higher than the plane;
g. and (3) air tightness testing: introducing 0.3MPa compressed air into the water-cooling plate 6, keeping 1 minute, and meeting the key index of the water-cooling box body if the pressure drop is less than 100 Pa;
h. and (3) post-processing: and after the air tightness test of the water-cooling plate is qualified, the front frame passes through the water inlet nozzle 7 and the water outlet nozzle 8, meanwhile, the left frame 4 and the right frame 5 are subjected to double-sided FSW welding with the water-cooling plate 6, and then TIG full welding, part welding, air tightness test of the inner cavity of the box body, finish machining of the box body and rivet-pulling of the upper tooth sleeve are sequentially carried out, so that the machining and manufacturing of the integral deep-cavity water-cooling box body structure are realized.
The utility model discloses water-cooling box structure with end cap's beneficial effect is:
the box body and the water cooling plate are integrated, a plug structure is designed in the deep cavity box body structure, water collecting holes are designed in the plugs, a water inlet nozzle and a water outlet nozzle are welded on the plane of each plug to form a water channel structure, and a water cooling circulation system is formed by the water inlet nozzle, the water outlet nozzle, the water cooling plate and the rear frame;
the gaps are machined at FSW leakage points of the plug structure, the rear frame and the water cooling plate, and the air tightness qualification rate is guaranteed by using a TIG welding plugging mode, so that the batch production efficiency is improved, and the production cost is reduced.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (9)
1. The utility model provides a water-cooling box structure with end cap which characterized in that includes: a front frame, a left frame, a rear frame, a right frame and a water inlet and outlet structure,
the water inlet and outlet structure comprises a plug structure, a water inlet nozzle, a water outlet nozzle and a water cooling plate, the plug structure comprises an aluminum section solid plate, a triangular water gap is arranged on the aluminum section solid plate, the water inlet nozzle and the water outlet nozzle are inserted into the triangular water gap and welded and fixed, a water channel is arranged on the water cooling plate, one end of the water channel is communicated with the water inlet nozzle, the other end of the water channel is communicated with the water outlet nozzle,
the front side and the rear side of the water cooling plate are respectively welded with the plug structure and the rear frame into a whole through FSW, and then the front frame penetrates through the water inlet nozzle and the water outlet nozzle and is welded with the left frame and the right frame through FSW to form a deep-cavity water cooling box body structure.
2. The water-cooling box body structure with the plug according to claim 1, wherein the left side and the right side of the aluminum section solid plate are provided with triangular water gaps for inserting the water inlet nozzle and the water outlet nozzle into the aluminum section solid plate, the inner space of each triangular water gap forms a water storage transition area, and water passage holes are distributed in the water storage transition area.
3. The water-cooling box body structure with the plug according to claim 2, wherein the water inlet nozzle and the water outlet nozzle are welded on the triangular water gaps on the left side and the right side of the aluminum section solid plate, and a circle of full welding is performed along the joint of the triangular water gap and the water inlet nozzle and the water outlet nozzle in a TIG (tungsten inert gas) welding mode.
4. The water-cooled box body structure with the plug according to claim 1, wherein one side of the aluminum section solid plate connected with the water-cooled plate is provided with stirring and welding support blocks for inserting the water-cooled plate, and water channels on the water-cooled plate are separated by the stirring support blocks.
5. The water-cooling box body structure with the plug according to claim 1, wherein the front side and the rear side of the water-cooling plate are respectively inserted into the plug structure and the rear frame, and the splicing seams of the water-cooling plate, the plug structure and the rear frame are welded by adopting double-sided FSW.
6. The water-cooled box structure with the plug according to claim 1, wherein the water pipe is connected to the outside of the water-cooled box structure, and the water flows into the water channel of the water-cooled plate through the water inlet nozzle, flows along the predetermined flow direction in the water channel, and then flows out toward the water outlet nozzle, thereby forming a water-cooled circulation system.
7. The water-cooled box body structure with the plug according to claim 5, wherein the plug structure and the FSW welding depth of the back frame and the double faces of the water-cooled plate are 2 mm.
8. The water-cooling box body structure with the plug according to claim 1, wherein 4 notches are formed in the side edges of the plug structure, the rear frame and the water-cooling plate after the plug structure and the water-cooling plate are welded through double-sided FSW, and the 4 notches are formed to form semicircular fan-shaped notches.
9. The water-cooled box structure with the plug according to claim 8, wherein the semicircular fan-shaped gap is plugged by TIG full welding and then is ground flat.
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| CN202020321180.4U CN212073689U (en) | 2020-03-16 | 2020-03-16 | Water-cooling box structure with plug |
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| CN202020321180.4U CN212073689U (en) | 2020-03-16 | 2020-03-16 | Water-cooling box structure with plug |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111231700A (en) * | 2020-03-16 | 2020-06-05 | 纽维科精密制造江苏有限公司 | Water-cooling box body structure with plug and production process thereof |
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2020
- 2020-03-16 CN CN202020321180.4U patent/CN212073689U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111231700A (en) * | 2020-03-16 | 2020-06-05 | 纽维科精密制造江苏有限公司 | Water-cooling box body structure with plug and production process thereof |
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