CN219144378U - Heavy-duty truck battery frame structure that trades - Google Patents
Heavy-duty truck battery frame structure that trades Download PDFInfo
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- CN219144378U CN219144378U CN202223203653.9U CN202223203653U CN219144378U CN 219144378 U CN219144378 U CN 219144378U CN 202223203653 U CN202223203653 U CN 202223203653U CN 219144378 U CN219144378 U CN 219144378U
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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 provides a heavy-duty battery frame structure for replacing a battery, which reduces the height, the gravity center and the weight of a battery replacement frame, has simple and reliable structure and arrangement, and reduces the cost of the frame. It comprises the following steps: the frame comprises a frame body, wherein the frame body is sequentially provided with a top hoisting layer, a plurality of battery layers and a bottom accessory layer from top to bottom, and the bottom of the bottom accessory layer is also provided with a locking baffle in a downward protruding manner; and the power exchange base comprises a bearing frame body and a locking mechanism, wherein the locking mechanism comprises a locking mechanism and a power mechanism, and locking cavities formed by locking baffle plates are inserted into the locking mechanisms at two sides of the locking mechanism to complete locking operation.
Description
Technical Field
The utility model relates to the technical field of a battery replacement frame, in particular to a heavy-duty battery replacement frame structure.
Background
With the development of new energy automobile industry, the battery replacement mode of new energy heavy truck is more and more extensive, the battery frame that trades that the market is in use at present, as shown in fig. 1, the accessory layer (liquid cooling unit, high voltage distribution box, battery management system) is arranged above the battery, the bottom layer of current battery frame is because locking mechanism and hammer location occupy partial space, lead to unable liquid cooling unit, high voltage distribution box and battery management system of putting down, thereby lead to the whole height of battery frame higher, between 2200mm ~ 2300mm, weight is around 1300kg, and low voltage pencil, high voltage pencil trend is extremely complicated, because the height is higher, when assembling and maintaining liquid cooling unit, high voltage distribution box, battery management system, it is extremely inconvenient.
Disclosure of Invention
In order to solve the problems, the utility model provides a heavy-duty battery frame structure which reduces the height, the gravity center and the weight of a battery replacement frame, has simple and reliable structure and arrangement, and reduces the cost of the frame.
The utility model provides a heavy card trades electric battery frame structure which characterized in that, it includes:
the frame comprises a frame body, wherein the frame body is sequentially provided with a top hoisting layer, a plurality of battery layers and a bottom accessory layer from top to bottom, and the bottom of the bottom accessory layer is also provided with a locking baffle in a downward protruding manner;
and the power exchange base comprises a bearing frame body and a locking mechanism, wherein the locking mechanism comprises a locking mechanism and a power mechanism, and locking cavities formed by locking baffle plates are inserted into the locking mechanisms at two sides of the locking mechanism to complete locking operation.
It is further characterized by: the bottom accessory layer comprises a first equipment layer and a second equipment layer, the first equipment layer is arranged above the second equipment layer, a high-voltage distribution box PDU and a liquid cooling unit are arranged on the first equipment layer, a liquid inlet main pipe and a liquid outlet main pipe of a liquid cooling pipeline of the liquid cooling unit are arranged in the central area of the width direction of the frame body, and branch pipes of the liquid cooling pipeline respectively pass through battery areas corresponding to each layer of battery layer, so that the structure of a liquid pipe is simplified, the liquid pipe is simple and clear to arrange, and wiring is convenient;
a battery management system BMS is arranged at the center position of one side of the second equipment layer in the width direction, a downward convex electricity exchanging connector is arranged at the bottom of the center area of the second equipment layer, and wires of the electricity exchanging connector are respectively connected to the high-voltage distribution box PDU and the battery management system BMS, so that the arrangement of the wires is simple and reliable;
the first equipment layer is provided with a first overhaul window corresponding to the outer side surface area of the high-voltage distribution box PDU, and an MSD overhaul switch of the high-voltage distribution box PDU is arranged towards the first overhaul window, so that overhaul is fast and convenient;
the utility model discloses a lock is characterized by including bearing frame body, lock is fixed in the frame body, the bearing frame body is provided with the left and right sides of bearing frame body, the left and right sides of bearing frame body is provided with thick location respectively, thick location is gone up the projection is used for locating the four corners position of the bottom frame of frame body, the central zone of bearing frame body sets up counterpoint power socket, the bearing frame body is provided with the projection in the four corners position all around of counterpoint power socket's region respectively, the bottom frame position on second equipment layer is provided with the locating hole that corresponds corresponding to the projection in the second location, the inner region at the length direction both ends of bearing frame body still has set firmly protruding locking mechanism down respectively, the both sides of locking mechanism are protruding and cartridge in lock attaches the baffle completion lock in the power drive downside and attach the operation.
After the utility model is adopted, the accessory layer is placed at the bottom of the frame body, the bottom of the accessory layer at the bottom is also provided with the locking baffle plate in a downward protruding way, the power conversion base comprises a locking mechanism, the locking mechanism does not occupy the upper space of the frame body, the locking mechanism is sunk and arranged below the weighing frame body of the power conversion base, the locking baffle plate at the bottom of the power conversion upper frame reserves the position of the power conversion upper frame for installing a locking groove, and the space for realizing the locking function of the locking mechanism is ensured; the locking mechanism is arranged in a sinking way, does not occupy the bottom space of the upper frame, and the vacated space is provided with a high-voltage distribution box, a liquid cooling unit and a battery management system, so that a fitting layer above a primary battery layer is cancelled; the height, the gravity center and the weight of the power exchange frame are reduced, the structure and the arrangement are simple and reliable, and the cost of the frame is reduced.
Drawings
FIG. 1 is a schematic diagram of a conventional battery-powered switching mechanism;
FIG. 2 is a schematic diagram of a battery frame mechanism for a battery replacement according to the present utility model;
FIG. 3 is a schematic perspective view of a power conversion base of the present utility model;
FIG. 4 is a schematic view of an assembled partial cross-sectional structure of a frame body and a power conversion base;
FIG. 5 is a side view of the frame body of the present utility model;
the names corresponding to the serial numbers in the figures are as follows:
a frame body 100 and a power conversion base 200;
the top hoisting layer 10, the battery layer 20, the bottom fitting layer 30, the first equipment layer 31, the second equipment layer 32, the locking baffle 33, the bearing frame 40, the coarse positioning upper protruding column 41, the alignment power socket 42, the secondary positioning upper protruding column 43, the locking mechanism 50, the locking mechanism 501, the power mechanism 502, the high-voltage distribution box PDU60, the MSD maintenance switch 61, the liquid cooling unit 70, the liquid cooling pipeline 71, the battery 80, the battery management system BMS90, the battery replacement connector 110, the electric wire 120, the first maintenance window 130, the hinge structure 140 and the maintenance door 150.
Detailed Description
The heavy-duty battery frame structure, see fig. 2-5, comprises a frame body 100 and a battery replacement base 200; the frame body 100 is sequentially provided with a top hoisting layer 10, a plurality of battery layers 20 and a bottom fitting layer 30 from top to bottom, the bottom fitting layer 30 comprises a first equipment layer 31 and a second equipment layer 32, and the bottom of the bottom fitting layer 30 is also provided with a locking baffle 33 in a downward protruding manner; the battery-changing base 200 comprises a bearing frame body 40 and a locking mechanism 50 which is downwards convex, and locking cavities formed by inserting locking baffle plates 33 into locking mechanisms on two sides of the locking mechanism 50 are used for completing locking operation. In particular, the locking mechanism 501 performs locking or unlocking operations by a rotational motion of the power mechanism 502 (see fig. 3).
In specific implementation, the bottom fitting layer 30 includes a first equipment layer 31 and a second equipment layer 32, the first equipment layer 31 is disposed above the second equipment layer 32, the first equipment layer 31 is provided with a high-voltage distribution box PDU60 and a liquid cooling unit 70, a liquid inlet manifold and a liquid outlet manifold of a liquid cooling pipeline 71 of the liquid cooling unit 70 are disposed in a central area of the frame body 100 in a width direction, and branch pipes of the liquid cooling pipeline 71 respectively pass through battery 80 areas corresponding to each layer of battery layer 20, so that the structure of the liquid cooling pipeline 71 is simplified, the liquid cooling pipeline 71 is simple and clear to arrange, and wiring is convenient;
a battery management system BMS90 is disposed at a widthwise central position of one side of the second device layer 32, a downward protruding electricity exchanging connector 110 is disposed at a bottom of a central region of the second device layer 32, and wires 120 of the electricity exchanging connector 110 are respectively connected to the high voltage distribution box PDU60 and the battery management system BMS90, and the electricity exchanging connector 110 has two functions, one for charging in the electricity exchanging station and the other for discharging, which makes the arrangement of the wires 120 simple and reliable;
the first equipment layer 31 is provided with a first overhaul window 130 corresponding to the outer side area of the high-voltage distribution box PDU60, the MSD overhaul switch 61 of the high-voltage distribution box PDU60 is arranged towards the first overhaul window 130, the first overhaul window 130 is provided with an overhaul door 150 through a hinge structure 140, the whole first overhaul window 130 is welded and connected to the outer side area of the first equipment layer 31, and the overhaul door 150 is opened quickly through a hinge, so that overhaul is ensured to be quick and convenient;
the inner sides of four corners of the bearing frame body 40 are respectively provided with a coarse positioning upper convex column 41, the coarse positioning upper convex column 41 is used for positioning four corners of the bottom frame of the frame body 100, the central area of the bearing frame body 40 is provided with an alignment power socket 42, four corners of the periphery of the area of the bearing frame body 40 corresponding to the alignment power socket 42 are respectively provided with a secondary positioning upper convex column 43, the bottom frame position of the second equipment layer 32 is provided with a corresponding positioning hole corresponding to the secondary positioning upper convex column 43, the inner end areas of two ends of the length direction of the bearing frame body 40 are respectively fixedly provided with a downward convex locking mechanism 50, and two sides of the locking mechanism 50 are protruded at the lower side of the power drive and are inserted into the locking baffle 33 to finish locking operation.
The working principle is that the accessory layer is placed at the bottom of the frame body, the bottom of the accessory layer at the bottom is also provided with a locking baffle plate in a downward protruding mode, the power conversion base comprises a downward protruding locking mechanism, the locking mechanism does not occupy the upper space of the frame body, the locking mechanism is arranged below the power conversion base in a sinking mode, the locking baffle plate at the bottom of the power conversion upper frame leaves a space for installing a locking groove of the power conversion upper frame, and the locking mechanism is guaranteed to realize a locking function;
the accessory layer is placed at the bottom, avoiding the space of the upper convex column of the primary positioning, and in the concrete implementation, the mounting frame of the accessory is stopped when approaching the coarse positioning as shown in figure 4, and is welded and fixed downwards, so that the liquid cooling unit is lifted to avoid interference with the primary positioning; after the accessory layer is placed down, the high-voltage distribution box is arranged at a position close to the charging port, the distance is kept by about 200mm, the problem of high-voltage line feeding is solved, and the MSD maintenance switch of the high-voltage distribution box faces outwards and is detachably installed on the maintenance window. The installation difficulty of the high-voltage control system is reduced, and the maintenance is convenient; the liquid cooling unit is used for arranging the water pipe end close to the central part of the frame, so that the trend of the water pipe can be greatly simplified, the water pipe is simple and clear to arrange, and the wiring is convenient; the battery management system BMS is arranged below the high-voltage distribution box, so that a large space is reserved between the high-voltage distribution box and the liquid cooling unit, and a high-voltage wire harness (70 is flat) can have enough bending radius space to run smoothly; the locking mechanism is arranged in a sinking way, does not occupy the bottom space of the upper frame, and the vacated space is provided with a high-voltage distribution box, a liquid cooling unit and a battery management system, and a fitting layer above a primary battery layer is cancelled; the height, the gravity center and the weight of the power exchange frame are reduced, the structure and the arrangement are simple and reliable, and the cost of the frame is reduced.
The beneficial effects are as follows: 1. the height of the battery replacement frame is reduced by about 300mm, the height dimension can be 1900mm, the height is lower than the height of a cab (the height of the market frame is about 2200mm and higher than the height of the cab), and under the same materials and safety factors, the whole weight of the frame can be about 900kg and is reduced by 300kg compared with 1200kg on the market;
2. the high-voltage distribution box, the liquid cooling unit and the battery thermal management system of the accessory layer are used for overhauling, maintaining and debugging, have higher use frequency, need to climb a ladder or climb onto a frame to operate when arranged above the battery layer, and can be directly operated by an operator standing on the ground after being arranged at the bottom layer, so that the safety factor is high and the operation is quick;
3. after the high-voltage distribution box, the liquid cooling unit and the battery thermal management system are arranged on the bottom layer, the wiring distance of the high-voltage wire harness is greatly shortened, the original length of the 4 high-voltage wire harnesses for charging and discharging is about 3000mm, and the length of the 8 high-voltage wire harnesses in the scheme is changed into about 700mm, so that the length of the high-voltage wire harness is saved by 18400mm in total.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. The utility model provides a heavy card trades electric battery frame structure which characterized in that, it includes:
the frame comprises a frame body, wherein the frame body is sequentially provided with a top hoisting layer, a plurality of battery layers and a bottom accessory layer from top to bottom, and the bottom of the bottom accessory layer is also provided with a locking baffle in a downward protruding manner;
and the power exchange base comprises a bearing frame body and a locking mechanism, wherein the locking mechanism comprises a locking mechanism and a power mechanism, and locking cavities formed by locking baffle plates are inserted into the locking mechanisms at two sides of the locking mechanism to complete locking operation.
2. The heavy duty battery pack structure of claim 1, wherein: the bottom accessory layer comprises a first equipment layer and a second equipment layer, wherein the first equipment layer is arranged above the second equipment layer, a high-voltage distribution box PDU and a liquid cooling unit are arranged on the first equipment layer, a liquid inlet main pipe and a liquid outlet main pipe of a liquid cooling pipeline of the liquid cooling unit are arranged in the central area of the width direction of the frame body, and branch pipes of the liquid cooling pipeline respectively pass through battery areas corresponding to each layer of battery layer.
3. The heavy truck battery frame structure of claim 2, wherein: the width direction central point of one side of second equipment layer puts and is provided with battery management system BMS, the bottom of the central region of second equipment layer is provided with protruding electric connector that trades down, the electric wire that trades electric connector is connected to respectively high voltage distribution box PDU, battery management system BMS.
4. The heavy truck battery frame structure of claim 2, wherein: the first equipment layer is provided with a first maintenance window corresponding to the outer side face area of the high-voltage distribution box PDU, and the MSD maintenance switch of the high-voltage distribution box PDU is arranged towards the first maintenance window.
5. The heavy truck battery frame structure of claim 2, wherein: the utility model discloses a lock is characterized by including bearing frame body, lock is fixed in the frame body, the bearing frame body is provided with the left and right sides of bearing frame body, the left and right sides of bearing frame body is provided with thick location respectively, thick location is gone up the projection is used for locating the four corners position of the bottom frame of frame body, the central zone of bearing frame body sets up counterpoint power socket, the bearing frame body is provided with the projection in the four corners position all around of counterpoint power socket's region respectively, the bottom frame position on second equipment layer is provided with the locating hole that corresponds corresponding to the projection in the second location, the inner region at the length direction both ends of bearing frame body still has set firmly protruding locking mechanism down respectively, the both sides of locking mechanism are protruding and cartridge in lock attaches the baffle completion lock in the power drive downside and attach the operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223203653.9U CN219144378U (en) | 2022-12-01 | 2022-12-01 | Heavy-duty truck battery frame structure that trades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223203653.9U CN219144378U (en) | 2022-12-01 | 2022-12-01 | Heavy-duty truck battery frame structure that trades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219144378U true CN219144378U (en) | 2023-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223203653.9U Active CN219144378U (en) | 2022-12-01 | 2022-12-01 | Heavy-duty truck battery frame structure that trades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219144378U (en) |
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2022
- 2022-12-01 CN CN202223203653.9U patent/CN219144378U/en active Active
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