Battery pack protection assembly
Technical Field
The invention relates to the technical field of battery packs, in particular to a battery pack protection assembly.
Background
In conventional battery pack protection assemblies, there is often a shortage of fixing and heat dissipation for the battery. The traditional fixing mode usually adopts screw fastening or simple clamping, and the battery is easy to loosen under vibration or impact environment, and the elastic element is arranged at present to relieve vibration, but the amplitude of the vibration cannot be limited, so that the battery is easy to shake greatly;
In addition, in the prior art, the contact area between the heat dissipation medium and the surface of the battery is limited, so that heat generated during the operation of the battery cannot be fully taken away, heat accumulation is caused, the temperature of the battery is increased, the performance and the service life of the battery are affected, and the battery pack protection assembly is provided for solving the problems.
Disclosure of Invention
In view of the above-mentioned technical shortcomings, the present invention aims to provide a battery pack protection assembly, which fixes a battery through the pressure of a heat dissipation medium, can make the heat dissipation medium fully contact with the battery to improve the heat dissipation effect, and simultaneously utilizes the heat dissipation medium and a push-pull part to limit the battery during vibration, so as to avoid larger shaking of the battery.
In order to solve the technical problems, the invention adopts the following technical scheme that the invention provides a battery pack protection assembly, which comprises:
The box body is internally provided with a heat dissipation medium;
The battery pack is fixed by the two frames from the upper side and the lower side of the battery, a plurality of empty slots matched with the battery pack are formed in one side surface opposite to the two frames, the frames are of hollow structures and are used for heat dissipation medium circulation, and elastic membranes used for fixing the battery are arranged on the walls of the empty slots;
the positioning assemblies are arranged between the two frame bodies and used for supporting the two frame bodies;
The circulating pump is arranged on the box body and communicated with the box body;
one frame body is communicated with the circulating pump, the other frame body is communicated with the box body through a connecting component, and the two frame bodies are communicated through another connecting component.
Preferably, a piston plate is arranged in the frame body and positioned at the notch position of the empty slot, and a through slot matched with the positioning assembly is formed in the side surface of the frame body positioned at the notch position of the empty slot.
Preferably, the positioning assembly comprises:
the middle positioning blocks are in a cross shape;
The two end positioning blocks are in a T shape;
The middle positioning block and the end positioning block are hollow structures, the middle positioning block and the end positioning block are made of elastic materials, and a limiting rod is fixedly connected to one side wall of the inner sides of the middle positioning block and the end positioning block.
Preferably, a push-pull part is arranged on the outer side of the battery, the push-pull part is respectively connected with the corresponding middle positioning block and the corresponding end positioning block, and the push-pull part is used for assisting in fixing the battery in the deformation process of the middle positioning block and the corresponding end positioning block.
Preferably, the push-pull part includes:
the pushing frame is U-shaped and sleeved on the inner end surface of the battery;
the pulling frame is U-shaped and sleeved on the outer end surface of the battery;
the two ends of the opening end of the push frame are respectively connected with the vault of the corresponding forward arc rod through push rods, the two ends of the opening end of the pull frame are respectively connected with the soffit of the corresponding reverse arc rod through pull rods, and the forward arc rod and the reverse arc rod are both installed on the positioning assembly.
Preferably, the pull rod is arched, the opening end of the pull rod faces the corresponding battery, an elastic sheet is fixedly connected to the arch center of the pull rod, and the elastic sheet abuts against the side wall of the battery under the action of self elastic force.
Preferably, the connection assembly includes:
The first pipeline is rotationally connected with a thread frame;
the second pipeline is provided with external threads matched with the thread frame, and a pressure valve is arranged in the second pipeline.
Preferably, a sealing groove matched with the first pipeline is formed in the end face of the opening end of the second pipeline.
The invention has the beneficial effects that:
According to the invention, through the arrangement of the positioning component, the piston plate and the elastic diaphragm, when the two frames are connected together, the positioning component can apply pressure to the heat dissipation medium in the frames through the piston plate, so that the elastic diaphragm can bulge, then the battery can be fixed, and meanwhile, the heat dissipation medium can be fully contacted with the battery, so that heat generated during the operation of the battery can be taken away better.
According to the invention, through the arrangement of the positioning component and the push-pull part, the positioning component can deform when vibration is generated, the push-pull part is abutted against the battery from the two ends of the battery at the moment, the battery is fixed in an auxiliary manner, meanwhile, the heat dissipation medium generates friction force inside to consume vibration energy due to the damping effect and the vibration absorption effect, and the battery can be better protected when vibration is generated.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram (first view) of a battery pack protection assembly according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram (second view) of a battery pack protection assembly according to an embodiment of the present invention.
Fig. 3 is an assembly schematic diagram of two frames of the present invention.
Fig. 4 is a top view of the housing of the present invention.
Fig. 5 is an enlarged view of fig. 4 at a in accordance with the present invention.
Fig. 6 is a schematic structural diagram of the frame of the present invention.
Fig. 7 is an assembled schematic view of the piston plate of the present invention.
Fig. 8 is a schematic structural diagram of a push frame and a pull frame according to the present invention.
Fig. 9 is a schematic view of the assembly of the first and second pipes of the present invention.
Reference numerals illustrate:
1. The box body, 2, the frame body, 3, the empty slot, 4, the locating component, 401, the middle locating block, 402, the end locating block, 403, the limit rod, 5, the circulating pump, 6, the elastic diaphragm, 7, the piston plate, 8, the through slot, 9, the first pipeline, 10, a thread frame, 11, a second pipeline, 12, a sealing groove, 13, a pressure valve, 14, a pushing frame, 15, a pulling frame, 16, a forward arc rod, 17, a reverse arc rod, 18, a push rod, 19, a pull rod, 20 and a spring piece.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The present invention provides a battery pack protection assembly as shown in fig. 1 to 9.
Embodiment one:
The invention provides a battery pack protection assembly, which comprises a box body 1, wherein a heat dissipation medium is contained in the box body 1, an adding port is formed in the box body 1, a sealing plug is arranged in the adding port, the heat dissipation medium (the heat dissipation medium can adopt heat dissipation oil or heat dissipation liquid) can be supplemented into the box body 1 through the adding port, a circulating pump 5 is arranged on the box body 1, the box body 1 is connected with one box body 2 through a connecting assembly, the circulating pump 5 is connected with the other box body 2, the two box bodies 2 are connected through the other connecting assembly, meanwhile, in order to ensure that the two box bodies 2 are more stable after being connected together and cannot be mutually misplaced to cause the stress of a battery, and a plurality of positioning assemblies 4 are arranged between the two box bodies 2, so that the two box bodies 2 can be better kept stable after being connected.
The frame body 2 is provided with a plurality of empty slots 3 which are matched with the battery pack, the frame body 2 is of a hollow structure, and heat dissipation medium can circularly flow between the box body 1 and the two frame bodies 2 under the action of the circulating pump 5, so that heat generated during the operation of the battery can be taken away.
Install elastic diaphragm 6 on the cell wall of empty slot 3, and the inside of framework 2 and be located the notch position of empty slot 3 and set up piston plate 7, and the framework 2 is located the run-through groove 8 of locating component 4 looks adaptation on the side of empty slot 3 notch position, after two frameworks 2 link together, locating component 4 can insert the inside of corresponding framework 2 through run-through groove 8, and support corresponding piston plate 7, thereby can exert pressure to the heat absorption medium of framework 2 inside, then can make elastic diaphragm 6 bulge support tight battery, the fixed battery that can be stable under the effect of a plurality of elastic diaphragms 6.
Meanwhile, as the elastic membrane 6 abuts against each side face of the battery, the heat absorbing medium can be stably contacted with the battery, heat generated during the operation of the battery is taken away better, and the heat dissipation effect is improved.
The positioning assembly 4 comprises a plurality of middle positioning blocks 401 and two end positioning blocks 402, the middle positioning blocks 401 are in a cross shape, the end positioning blocks 402 are in a T shape, the middle positioning blocks 401 and the two end positioning blocks 402 are both arranged on the central line of the frame body 2, and the plurality of middle positioning blocks 401 are distributed between the two end positioning blocks 402 (as shown in fig. 4).
The connecting assembly comprises a first pipeline 9 and a second pipeline 11, wherein the first pipeline 9 is arranged on the box body 1 and the frame body 2 positioned at the lower side as shown in fig. 1, a threaded frame 10 is sleeved on the outer side of the opening end of the first pipeline 9 in a rotating mode, the second pipeline 11 is arranged at the two ends of the frame body 2 positioned at the upper side as shown in fig. 1, external threads matched with the threaded frame 10 are arranged on the outer side of the opening end of the second pipeline 11, a pressure valve 13 is arranged in the second pipeline 11, the pressure valve 13 can be opened only when the pressure in the second pipeline 11 is larger than the pressure value set by the pressure valve 13, at the moment, a heat dissipation medium can smoothly flow through the second pipeline 11, the pressure valve 13 is arranged, the heat dissipation medium in the frame body 2 positioned at the upper side as shown in fig. 1 can not run off when the two frame bodies 2 are detached, and the pressure valve 13 is of the prior art and is widely applied.
The seal groove 12 matched with the first pipeline 9 is formed in the end face of the opening end of the second pipeline 11, tightness between the first pipeline 9 and the second pipeline 11 can be guaranteed, when the battery is installed, the battery is placed in the empty groove 3 in the lower frame body 2 shown in fig. 1, then the positioning component 4 is inserted into the corresponding penetrating groove 8, then the upper frame body 2 is installed in alignment with the battery, the threaded frame 10 is rotated clockwise according to the direction shown in fig. 1, the threaded frame 10 and the corresponding second pipeline 11 are connected with each other, therefore the two frame bodies 2 can be connected together, the circulating pump 5 can be started, heat dissipation medium continuously circulates between the box body 1 and the two frame bodies 2, and heat generated by the operation of the battery is taken away.
The inside fixedly connected with a plurality of heat dissipation sticks of box 1, and fixedly connected with a plurality of fin on the heat dissipation stick, the joint has the fan on the fin, can increase the air velocity of flow around the fin to can cool down the inside heat dissipation medium of box 1.
The arrangement of the heat dissipation bars, the heat dissipation fins and the fan is the prior art and is widely used, so the heat dissipation bars, the heat dissipation fins and the fan are not shown in the drawings.
Embodiment two:
On the basis of the first embodiment, in order to better fix the battery, the middle positioning block 401 and the end positioning block 402 are both hollow, the middle positioning block 401 and the end positioning block 402 are made of elastic materials, and push-pull parts are arranged at the corners of the middle positioning block 401 and the end positioning block 402.
A limiting rod 403 is fixedly connected to one side wall of the inner sides of the middle positioning block 401 and the end positioning block 402, and when vibration occurs, the inner side walls of the middle positioning block 401 and the end positioning block 402 deform in the directions away from each other respectively under the action of the limiting rod 403, so that the corresponding push-pull parts can fix the batteries respectively.
The push-pull part comprises a push frame 14 and a pull frame 15, the push frame 14 and the pull frame 15 are U-shaped, the push frame 14 is sleeved on the inner end face of the battery in a semi-surrounding mode, the pull frame 15 is sleeved on the inner end face of the battery in a semi-surrounding mode, one end of the battery, which is close to the center of the frame body 2, is an inner end, and the other end of the battery is an outer end.
The corners of the middle positioning block 401 and the end positioning block 402 are fixedly connected with a forward arc rod 16 and a reverse arc rod 17, the opening of the reverse arc rod 17 faces the corresponding battery direction, and the direction of the opening of the forward arc rod 16 is opposite to the direction of the opening of the corresponding reverse arc rod 17 (as shown in fig. 5).
The two ends of the opening end of the pushing frame 14 are fixedly connected with the corresponding arch tops of the forward arc rods 16 through the pushing rods 18 respectively, and when the middle positioning block 401 and the end positioning block 402 deform, the arch tops of the forward arc rods 16 move towards the corresponding batteries, so that the corresponding batteries can be pushed away from the center of the frame body 2 through the corresponding pushing rods 18 and the pushing frame 14.
The two ends of the opening end of the pull frame 15 are fixedly connected with the soffit of the corresponding reverse arc rod 17 through the pull rod 19 respectively, when the middle positioning block 401 and the end positioning block 402 deform, the soffit of the reverse arc rod 17 moves in a direction away from the corresponding battery, so that the corresponding battery can be pulled towards the center direction of the frame body 2 through the corresponding pull rod 19 and the pull frame 15, and the battery can be kept stable during vibration under the action of the push frame 14 and the pull frame 15.
According to the invention, the pull rod 19 is of an arch structure, the opening of the pull rod 19 faces the corresponding battery, the elastic piece 20 is fixedly connected to the arch belly of the pull rod 19, the elastic piece 20 abuts against the side wall of the battery under the action of self elastic force, the abutting force of the elastic piece 20 on the battery can be increased when the reverse arc rod 17 pulls the pull frame 15, and the battery can be fixed from multiple directions by matching with the oblique thrust of the push rod 18.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.