阅读说明：本技术 一种高效散热的电池组结构 (High-efficient radiating group battery structure ) 是由 杨一青 于 2021-07-11 设计创作，主要内容包括：本发明公开了一种高效散热的电池组结构,包括电池箱,所述电池箱的内底部安装有导热硅胶板,所述导热硅胶板上安装有电池组,所述电池箱的内壁固定连接有两个支架,两个所述支架上共同贯穿设有与其转动连接的转动杆,所述转动杆上安装有温控自转机构,所述箱体内贯穿电池组且不与其相抵的转动管,所述转动管上安装有与其相通的四个盘型换热管,所述转动管的两端与电池箱之间安装有泵送换热机构,所述电池箱的底部固定连接有安装架。本发明不仅可以实现对电池组进行有效且高效的散热,同时,可以实现对水泵的工作进行温控,减少电池组电能的损耗,同时可以实现电池箱内空气内循环,进一步提高电池组内电池之间的散热。(The invention discloses a high-efficiency heat-dissipation battery pack structure which comprises a battery box, wherein a heat-conducting silica gel plate is installed at the inner bottom of the battery box, a battery pack is installed on the heat-conducting silica gel plate, two supports are fixedly connected to the inner wall of the battery box, a rotating rod which is in rotating connection with the two supports is arranged on the two supports in a penetrating mode, a temperature control self-rotating mechanism is installed on the rotating rod, a rotating pipe which does not abut against the battery pack penetrates through the battery pack in the box body, four disk-shaped heat exchange pipes which are communicated with the rotating pipe are installed on the rotating pipe, a pumping heat exchange mechanism is installed between the two ends of the rotating pipe and the battery box, and an installation frame is fixedly connected to the bottom of the battery box. The invention can not only realize effective and efficient heat dissipation of the battery pack, but also realize temperature control of the operation of the water pump, reduce the electric energy loss of the battery pack, realize internal circulation of air in the battery box and further improve the heat dissipation among the batteries in the battery pack.)

1. The utility model provides a high-efficient radiating group battery structure, includes battery box (1), its characterized in that, heat conduction silica gel plate (3) are installed to the interior bottom of battery box (1), install group battery (16) on heat conduction silica gel plate (3), the inner wall fixedly connected with of battery box (1) has two supports (19), two run through being equipped with dwang (18) rather than rotating and being connected on support (19) jointly, install temperature control rotation mechanism on dwang (18), run through group battery (16) and not rather than rotating tube (8) of counterbalance in battery box (1), install four dish type heat exchange tubes (11) rather than communicating on rotating tube (8), install pump sending heat transfer mechanism between the both ends of rotating tube (8) and battery box (1), the bottom fixedly connected with mounting bracket (9) of battery box (1), and the two mounting frames (9) are provided with radiating fins (2) which are propped against the bottom of the battery box (1).

2. The battery pack structure with high heat dissipation efficiency as recited in claim 1, wherein the battery box (1) comprises an upper box cover (1a), a lower box body (1b) and a panel (1c), the upper box cover (1a), the lower box body (1b) and the panel (1c) are connected with each other through bolts, and a positive terminal and a negative terminal are mounted on the panel (1 c).

3. The battery pack structure with high heat dissipation efficiency as claimed in claim 1, wherein the temperature control rotation mechanism comprises a heat conduction circular plate (12) which is mounted on a rotation rod (18) and coaxially rotates, an annular cavity (27) is arranged inside the heat conduction circular plate (12), the annular cavity (27) is arranged close to the edge of the heat conduction circular plate (12), a plurality of abutting expansion balls (28) are arranged in the annular cavity (27), expansion liquid (29) is filled in the expansion balls (28), annular sponge (13) is arranged on the outer wall of the heat conduction circular plate (12), a control mechanism abutting against the annular sponge (13) is arranged on the inner wall of the battery box (1), and two transmission mechanisms are arranged between the rotation rod (18) and the rotation tube (8).

4. The battery pack structure with high heat dissipation efficiency as claimed in claim 3, wherein the control mechanism comprises a fixed block (21) fixed on the inner wall of the battery box (1), a cavity (22) is arranged in the fixed block (21), a fixed electric contact (23) is arranged in the cavity (22), a movable electric contact (24) is arranged in the cavity (22), a guide rod (25) is arranged on the movable electric contact (24) in an insulating manner, a roller (32) is arranged on the guide rod (25), the roller (32) abuts against the annular sponge (13), an insulating spring (26) is fixedly connected between the movable electric contact (24) and the inner wall of the cavity (22), and the insulating spring (26) is sleeved outside the guide rod (25).

5. The battery pack structure with high heat dissipation efficiency as recited in claim 1, wherein the coiled heat exchange tube (11) comprises a coiled tube (30) and a vertical tube (31), the vertical tube (31) is connected with an upper end nozzle of the coiled tube (30), and a middle nozzle of the coiled tube (30) and another end nozzle of the vertical tube (31) are both fixedly communicated with the rotating tube (8).

6. The battery pack structure with the efficient heat dissipation function as claimed in claim 3, wherein the pumping heat exchange mechanism comprises a water pump (5) installed on the inner wall of the battery box (1), a first connecting pipe (6) is installed at a water inlet end of the water pump (5), an S-shaped heat exchange pipe (4) is installed in the heat-conducting silica gel plate (3), the S-shaped heat exchange pipe (4) is connected with a water outlet end of the water pump (5) through a short pipe (15), a second connecting pipe (14) is installed at the other end of the S-shaped heat exchange pipe (4), rotary joints (7) are installed at opposite ends of the first connecting pipe (6) and the second connecting pipe (14), and the two rotary joints (7) are fixedly connected with a rotary pipe (8).

7. A battery pack structure with high heat dissipation efficiency as claimed in claim 3, wherein the transmission mechanism comprises transmission wheels (10) fixed on the rotating rod (18) and the rotating tube (8), and the two transmission wheels (10) are connected through a belt (20).

8. The battery pack structure with high heat dissipation efficiency as recited in claim 1, wherein the rotating tube (8) is made of stainless steel, and a plurality of stainless steel blades (17) are mounted on the rotating tube (8).

Technical Field

The invention relates to the technical field of battery pack structures, in particular to a battery pack structure capable of efficiently dissipating heat.

Background

The existing energy storage battery mostly uses a lead-acid battery, and the lead-acid battery has the defects of large volume, low energy density ratio, less cycle times, environmental pollution and the like, and the existing lithium battery is gradually accepted by the market; with the development of industry, the application scenes of lithium batteries are more and more, such as emergency power supplies, 5G communication, household energy storage and the like; the existing module cylindrical battery core adopts a layered structure and has the advantages of simple structure, safety and the like.

However, the current lithium battery and the box body matched with the lithium battery have certain defects, for example, the module structure of the battery pack is a stacked structure, the heat dissipation capability is poor, although part of the battery pack has a water-cooling structure, the battery pack only needs to work with the water-cooling structure, the water-cooling structure is still opened under the condition of unnecessary heat dissipation, the loss of the battery can be increased, and meanwhile, the heating structure for maintaining the working temperature of the battery also needs to work, so that the loss of the battery is greatly increased.

Therefore, we have devised a battery pack structure with high heat dissipation efficiency to solve the above problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a high-efficiency heat dissipation battery pack structure which can effectively and efficiently dissipate heat of a battery pack, can control the temperature of the operation of a water pump, reduces the electric energy loss of the battery pack, can realize the internal circulation of air in a battery box, and further improves the heat dissipation among batteries in the battery pack.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a high-efficient radiating group battery structure, includes the battery box, heat conduction silica gel plate is installed to the interior bottom of battery box, install the group battery on the heat conduction silica gel plate, two supports of inner wall fixedly connected with of battery box run through jointly on the support and be equipped with rather than the dwang of rotating being connected, install control by temperature change rotation mechanism on the dwang, run through the group battery in the box and not rather than the rotating tube that offsets, install rather than communicating four dish type heat exchange tubes on the rotating tube, install pump sending heat transfer mechanism between the both ends of rotating tube and the battery box, the bottom fixedly connected with mounting bracket of battery box, two install the fin that offsets bottom of battery box on the mounting bracket.

Preferably, the battery box comprises an upper box cover a, a lower box body b and a panel c, the upper box cover a, the lower box body b and the panel c are connected with each other through bolts, and a positive terminal and a negative terminal are mounted on the panel c.

Preferably, control by temperature change rotation mechanism is including installing on the dwang and coaxial pivoted heat conduction plectane, the inside of heat conduction plectane is equipped with the annular chamber, the annular chamber is close to the edge setting of heat conduction plectane, be equipped with a plurality of offsetting inflation balls in the annular chamber, it is a plurality of all fill in the inflation ball has the inflation liquid, the outer wall of heat conduction plectane is equipped with annular sponge, the inner wall of battery box is equipped with the control mechanism who offsets with annular sponge, be equipped with two drive mechanism between dwang and the rotating tube.

Preferably, control mechanism is including fixing the fixed block at the box inner wall, be equipped with the cavity in the fixed block, install fixed electric contact in the cavity, be equipped with the mobile electric contact in the cavity, the last insulating guide bar of installing of mobile electric contact, install the gyro wheel on the guide bar, the gyro wheel offsets with annular sponge, fixedly connected with insulating spring between the inner wall of mobile electric contact and cavity, insulating spring cover is in the outside of guide bar.

Preferably, the disc-type heat exchange tube comprises a disc-shaped tube and a vertical tube, the vertical tube is connected with an upper end tube opening of the disc-shaped tube, and a middle tube opening of the disc-shaped tube and a tube opening at the other end of the vertical tube are both fixedly communicated with the rotating tube.

Preferably, the pumping heat exchange mechanism comprises a water pump installed on the inner wall of the box body, a first connecting pipe is installed at the water inlet end of the water pump, an S-shaped heat exchange pipe is installed in the heat conduction silica gel plate and connected with the water outlet end of the water pump through a short pipe, a second connecting pipe is installed at the other end of the S-shaped heat exchange pipe, rotary joints are installed at one ends, opposite to the first connecting pipe and the second connecting pipe, of the first connecting pipe and the second connecting pipe, and the rotary joints are fixedly connected with the rotating pipes.

Preferably, the transmission mechanism comprises transmission wheels fixed on the rotating rod and the rotating pipe, and the two transmission wheels are connected through a belt.

Preferably, the material of rotating tube is stainless steel material, and install a plurality of stainless steel flabellums on the rotating tube.

Compared with the prior art, the invention has the beneficial effects that:

1. the water pump work can realize that the cooling water flows at nozzle stub, S type heat exchange tube, second connecting pipe, rotating tube, dish type heat exchange tube, first connecting pipe inner loop, can carry out the heat transfer to heat conduction silica gel board through S type heat exchange tube to can more effectually carry out the heat transfer to the group battery, can further improve the heat transfer to the group battery through dish type heat exchange tube.

2. The heat conduction plectane rotates and drives drive dwang and two drive wheels and rotate, realizes that the rotating tube rotates under the transmission of belt, rotates and rolls over and drives disk type heat exchange tube and stainless steel fan blade and rotate, and the air current that can drive between the group battery when the disk type heat exchange tube rotates flows to can drive the hot gas flow between the group battery and scatter, thereby can be better dispel the heat to the group battery.

3. The rotating tube rotates and drives the stainless steel flabellum and rotate, the stainless steel flabellum rotates and can blow the air current to the group battery in to, through the cooperation with the dish type heat exchange tube, can realize that the air between the group battery realizes the circulation flow, realize the air inner loop promptly, and the stainless steel flabellum can be carried out the heat transfer temperature step-down by the rotating tube for stainless steel material, thereby the air is by the heat transfer when passing through the stainless steel flabellum, can blow cold air to between the group battery, and then can further dispel the heat to the group battery.

4. When the temperature in the battery box reduces, then the inflation ball that is close to the group battery is heated and is influenced lessly, then the heat conduction plectane no longer rotates, under insulating spring's pulling force, gyro wheel extrusion annular sponge for annular sponge is by extrusion department deformation, removes the electric contact and separates with fixed electric contact this moment, and the water pump stop work, so, can not lead to unnecessary electric energy loss.

In conclusion, the invention can not only realize effective and efficient heat dissipation of the battery pack, but also realize temperature control of the operation of the water pump, reduce the electric energy loss of the battery pack, realize internal circulation of air in the battery box and further improve the heat dissipation among the batteries in the battery pack.

Drawings

Fig. 1 is a schematic structural diagram of a battery pack structure with high heat dissipation efficiency according to the present invention;

fig. 2 is a cross-sectional view of a battery pack structure with high heat dissipation efficiency according to the present invention;

fig. 3 is a top view of a portion of the structure of the battery pack with high heat dissipation efficiency according to the present invention;

fig. 4 is a schematic structural view of a battery pack with high heat dissipation efficiency according to the present invention, wherein the battery pack has fixed electrical contacts;

FIG. 5 is a cross-sectional side view of a thermal conductive circular plate of the battery pack structure with high heat dissipation efficiency according to the present invention;

fig. 6 is a side view of a disk-shaped heat exchange tube in a battery pack structure with high heat dissipation efficiency according to the present invention.

In the figure: 1 battery box, 1a upper box cover, 1b lower box body, 1c panel, 2 radiating fins, 3 heat-conducting silica gel plates, 4S-shaped heat exchange tubes, 5 water pumps, 6 first connecting tubes, 7 rotary joints, 8 rotating tubes, 9 mounting racks, 10 driving wheels, 11 disk-shaped heat exchange tubes, 12 heat-conducting circular plates, 13 annular sponges, 14 second connecting tubes, 15 short tubes, 16 battery packs, 17 stainless steel fan blades, 18 rotating rods, 19 supports, 20 belts, 21 fixing blocks, 22 cavities, 23 fixed electric contact pieces, 24 movable electric contact pieces, 25 guide rods, 26 insulating springs, 27 annular cavities, 28 expansion balls, 29 expansion liquid, 30 disk-shaped tubes, 31 vertical tubes and 32 rollers.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, a battery pack structure with high heat dissipation efficiency includes a battery box 1, wherein the battery box 1 includes an upper box cover 1a, a lower box body 1b, and a panel 1c, the upper box cover 1a, the lower box body 1b, and the panel 1c are connected with each other by bolts, and the panel 1c is provided with an anode terminal and a cathode terminal, and then a battery pack 16 is provided with an anode current collecting plate and a cathode current collecting plate corresponding to the anode terminal and the cathode terminal.

The heat-conducting silica gel plate 3 is arranged at the inner bottom of the battery box 1, and heat generated by the battery pack 16 can be accelerated through the heat-conducting silica gel plate 3, so that heat dissipation of the battery pack 16 is realized; install group battery 16 on the heat conduction silica gel plate 3, two supports 19 of the inner wall fixedly connected with of battery box 1 run through jointly on two supports 19 and be equipped with rather than the dwang 18 of rotating the connection, be connected through the bearing between dwang 18 and the support 19, the outer loop of bearing is installed on support 19, then dwang 18 runs through the inner ring of bearing and rather than fixed connection.

Install control by temperature change rotation mechanism on dwang 18, control by temperature change rotation mechanism is including installing on dwang 18 and coaxial pivoted heat conduction plectane 12, and the inside of heat conduction plectane 12 is equipped with annular chamber 27, and annular chamber 27 is close to the edge setting of heat conduction plectane 12, is equipped with a plurality of balanced inflation balls 28 in the annular chamber 27, all packs in a plurality of inflation balls 28 has inflation liquid 29, and the outer wall of heat conduction plectane 12 is equipped with annular sponge 13.

Specifically, the expansion liquid 29 is a liquid material such as kerosene, and the expansion balls 28 near the battery pack 16 expand when heated, so as to press the expansion balls 28 on both sides to move, which causes uneven stress on the outer edge of the heat conducting circular plate 12, that is, the gravity on the heated surface of the heat conducting circular plate 12 is smaller than the gravity on the opposite side of the heated surface, so as to drive the heat conducting circular plate 12 to rotate, and the heat conducting circular plate 12 rotates to drive the annular sponge 13 to rotate.

The inner wall of battery box 1 is equipped with the control mechanism who offsets with annular sponge 13, control mechanism is including fixing the fixed block 21 at 1 inner wall of battery box, be equipped with cavity 22 in the fixed block 21, install fixed electric contact 23 in the cavity 22, be equipped with removal electric contact 24 in the cavity 22, the insulating guide bar 25 of installing on the removal electric contact 24, install gyro wheel 32 on the guide bar 25, gyro wheel 32 offsets with annular sponge 13, fixedly connected with insulating spring 26 between the inner wall of removal electric contact 24 and cavity 22, insulating spring 26 covers the outside at guide bar 25.

Wherein, the movable electric contact piece 24 and the fixed electric contact piece 23 are electrically connected with the water pump 5; when the heat conducting circular plate 12 rotates to drive the annular sponge 13 to rotate, the roller 32 and the annular sponge 13 move relatively, the roller 32, the guide rod 25 and the movable electric contact piece 24 are driven to move through the support of the annular sponge 13, the movable electric contact piece 24 abuts against the fixed electric contact piece 23, and the water pump 5 works; when the heat conducting circular plate 12 does not rotate any more, the roller 32 presses the annular sponge 13 under the pulling force of the insulating spring 26, so that the pressed part of the annular sponge 13 is deformed, at this time, the movable electric contact piece 24 is separated from the fixed electric contact piece 23, and the water pump 5 stops working.

Two transmission mechanisms are arranged between the rotating rod 18 and the rotating tube 8, each transmission mechanism comprises a transmission wheel 10 fixed on the rotating rod 18 and the rotating tube 8, and the two transmission wheels 10 are connected through a belt 20.

The battery box 1 is internally provided with a rotating pipe 8 which penetrates through the battery pack 16 and is not abutted against the battery pack, the rotating pipe 8 is provided with four disk-shaped heat exchange pipes 11 communicated with the rotating pipe 8, each disk-shaped heat exchange pipe 11 comprises a disk-shaped pipe 30 and a vertical pipe 31, the vertical pipe 31 is connected with an upper end pipe orifice of the disk-shaped pipe 30, and a middle pipe orifice of the disk-shaped pipe 30 and a pipe orifice of the other end of the vertical pipe 31 are fixedly communicated with the rotating pipe 8.

A pumping heat exchange mechanism is installed between the two ends of the rotating pipe 8 and the battery box 1 and comprises a water pump 5 installed on the inner wall of the battery box 1, a first connecting pipe 6 is installed at the water inlet end of the water pump 5, an S-shaped heat exchange pipe 4 is installed in the heat conduction silica gel plate 3, the S-shaped heat exchange pipe 4 is connected with the water outlet end of the water pump 5 through a short pipe 15, a second connecting pipe 14 is installed at the other end of the S-shaped heat exchange pipe 4, rotary joints 7 are installed at one ends, opposite to the first connecting pipe 6 and the second connecting pipe 14, the two rotary joints 7 are fixedly connected with the rotating pipe 8, refrigeration equipment can be installed at the short pipe 15, such as semiconductor refrigeration sheets and the like, refrigeration of cooling water is achieved, and the refrigeration equipment can be connected with the water pump 5 in series.

The bottom fixedly connected with mounting bracket 9 of battery box 1 installs fin 2 that offsets with battery box 1 bottom on two mounting brackets 9, and the material of rotating tube 8 is stainless steel material, and installs a plurality of stainless steel flabellums 17 on the rotating tube 8, and stainless steel flabellum 17 also can dispel the heat.

When the invention is used, namely the battery pack 16 works, the heat of the battery pack 16 can be normally dissipated through the heat-conducting silica gel plate 3 and the battery box 1;

along with the work of the battery pack 16, the heat in the battery box 1 is gradually increased, then the expansion balls 28 close to the battery pack 16 are heated and expanded, so that the expansion balls 28 at two sides are extruded to move, the stress on the outer edge of the heat conducting circular plate 12 is uneven, namely the gravity at the heated surface of the heat conducting circular plate 12 is smaller than the gravity at the back of the heated surface, so that the heat conducting circular plate 12 is driven to rotate, the heat conducting circular plate 12 rotates to drive the annular sponge 13 to rotate, when the heat conducting circular plate 12 rotates to drive the annular sponge 13 to rotate, the roller 32 and the annular sponge 13 move relatively, the roller 32, the guide rod 25 and the movable electric contact piece 24 are driven to move through the support of the annular sponge 13, the movable electric contact piece 24 abuts against the fixed electric contact piece 23, and the water pump 5 works;

when the water pump 5 works, cooling water can circularly flow in the short pipes 5, the S-shaped heat exchange pipe 4, the second connecting pipe 14, the rotating pipe 8, the disc-shaped heat exchange pipe 11 and the first connecting pipe 6, and the heat conduction silica gel plate 3 can exchange heat through the S-shaped heat exchange pipe 4, so that the heat exchange of the battery pack 16 can be more effectively carried out, and the heat exchange of the battery pack 16 can be further improved through the disc-shaped heat exchange pipe 11;

meanwhile, the heat conducting circular plate 12 rotates to drive the rotating rod 18 and the two driving wheels 10 to rotate, the rotating pipe 8 rotates under the transmission of the belt 20, the rotating roller 8 rotates to drive the disk-shaped heat exchange pipe 11 and the stainless steel fan blades 17 to rotate, and the disk-shaped heat exchange pipe 11 drives airflow between the battery packs 16 to flow when rotating, so that hot airflow between the battery packs 16 can be dispersed, and the battery packs 16 can be better cooled;

meanwhile, the rotating pipe 8 rotates to drive the stainless steel fan blades 17 to rotate, the stainless steel fan blades 17 rotate to blow air flow into the battery pack 16, so that air between the battery packs 16 can flow circularly through matching with the disc-shaped heat exchange pipe 11, namely air internal circulation is realized, the stainless steel fan blades 17 are made of stainless steel materials, heat transfer temperature of the stainless steel fan blades can be lowered by the rotating pipe 8, heat exchange is carried out when the air passes through the stainless steel fan blades 17, cold air can be blown between the battery packs 16, and further heat dissipation can be carried out on the battery packs 16;

when the temperature in the battery box 1 is reduced, the expansion ball 28 close to the battery pack 16 is less affected by heat, the heat conducting circular plate 12 does not rotate any more, the roller 32 presses the annular sponge 13 under the pulling force of the insulating spring 26, so that the pressed part of the annular sponge 13 is deformed, the movable electric contact piece 24 is separated from the fixed electric contact piece 23, the water pump 5 stops working, and thus, unnecessary electric energy loss is avoided.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.