CN216750065U - Fast polymer lithium ion battery cell structure that charges - Google Patents
Fast polymer lithium ion battery cell structure that charges Download PDFInfo
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- CN216750065U CN216750065U CN202220057763.XU CN202220057763U CN216750065U CN 216750065 U CN216750065 U CN 216750065U CN 202220057763 U CN202220057763 U CN 202220057763U CN 216750065 U CN216750065 U CN 216750065U
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Abstract
The utility model relates to a quick-charging polymer lithium ion battery cell structure which comprises a main body, wherein a heat conduction layer is arranged inside the main body, a cooling box is arranged inside the heat conduction layer, a lithium battery body is arranged inside the cooling box, a cooling cavity is formed in the inner wall of the cooling box, cooling liquid is arranged inside the cooling cavity, a flow guide plate is welded inside the cooling cavity, the flow guide plate is spiral, a water outlet hole is formed in the top of the cooling box, and a connecting pipe is arranged at the water outlet hole. According to the utility model, the cooling liquid in the cooling cavity is pumped by the micro water pump, so that the cooling liquid flows circularly, the circularly flowing cooling liquid is spirally upwards along the guide plate in the cooling cavity, and the cooling liquid can integrally cool the inside of the cooling cavity, so that the lithium battery body in the cooling box is sufficiently cooled, the cooling effect of the lithium battery body is improved, the uneven cooling is avoided, and the safety of the lithium battery body is improved.
Description
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to a cell structure of a fast-charging polymer lithium ion battery.
Background
The lithium ion battery comprises the following components: the battery comprises a battery core and a protection circuit board, wherein the battery core is an electric storage part in a lithium ion battery, the quality of the battery core directly determines the quality of the battery, at present, the heat dissipation performance of the battery core structure of the existing high-capacity lithium battery is poor, heat can be released by chemical reaction of positive and negative active substance electrolyte inside the lithium ion battery, more heat can be generated particularly by charging and discharging of the high-capacity lithium battery, if the generated heat cannot be dissipated in time, the temperature rise of the battery can be caused, the chemical reaction is further promoted to be reinforced, the heat is continuously accumulated, and the battery has risks such as combustion and explosion.
The existing lithium battery is poor in heat dissipation capability, mostly dissipates heat through air cooling, is uneven in heat dissipation, easily causes the local temperature of the lithium battery to be too high, and influences the safety of the lithium battery.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides a quick-charging polymer lithium ion battery cell structure.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a fill polymer lithium ion battery electricity core structure soon, includes the main part, the inside of main part is equipped with the heat-conducting layer, the inside of heat-conducting layer is equipped with the cooler bin, the inside of cooler bin is equipped with lithium cell body, the cooling cavity has been seted up to the inner wall of cooler bin, the inside of cooling cavity is equipped with the coolant liquid, the inside welding of cooling cavity has the guide plate, the guide plate is the heliciform, the apopore has been seted up at the top of cooler bin, and apopore department is equipped with the connecting pipe, the bottom of main part is equipped with miniature pump, the inlet opening has been seted up to the bottom of cooler bin, and inlet opening department is equipped with the inlet tube, the inlet tube with the one end of connecting pipe respectively with miniature pump's delivery port and water inlet are connected.
Furthermore, a first through hole is formed in one side of the heat conduction layer, the connecting pipe penetrates through the first through hole, and the heat conduction layer is made of copper.
Further, the top of lithium cell body is equipped with first conducting rod, the top of main part is equipped with the roof, the second through-hole has been seted up at the top of roof, and the inside of second through-hole is equipped with the second conducting rod, the bottom welding of second conducting rod has the flexure strip.
Furthermore, the main body is provided with a rubber sleeve at the second through hole, and the second conducting rod penetrates through the rubber sleeve.
Furthermore, a pressing cylinder is bonded to the bottom of the top plate, a spring is arranged inside the pressing cylinder, a pressing plate is bonded to the bottom of the spring, and a fixing plate is bonded to the bottom of the pressing plate.
Furthermore, a rubber pad is bonded at the bottom of the fixing plate.
Furthermore, a heat conducting pad is bonded inside the cooling box.
The utility model has the beneficial effects that:
1. by arranging the micro water pump, the cooling box and the flow guide plate, the micro water pump extracts the cooling liquid in the cooling cavity to enable the cooling liquid to flow circularly, the circularly flowing cooling liquid is spirally upwards arranged in the cooling cavity along the flow guide plate, and the cooling liquid can integrally cool the inside of the cooling cavity, so that the lithium battery body in the cooling box is sufficiently cooled, the cooling effect of the lithium battery body is improved, the uneven cooling is avoided, and the safety of the lithium battery body is improved;
2. the heat conducting layer is arranged, so that the heat conducting layer can conduct heat conduction and heat dissipation on the outer wall of the cooling box, and meanwhile, the connecting pipe penetrating through the heat conducting layer can also conduct heat dissipation through the heat conducting layer, so that the heat dissipation of the cooling liquid is facilitated, and the recycling of the cooling liquid is facilitated;
3. the elastic piece is arranged, the top plate is fixed behind the top of the main body, the second conducting rod and the first conducting rod can be connected through the elastic piece, and therefore the lithium battery body can be used conveniently;
4. by arranging the spring and the fixing plate, the top plate is fixed behind the top of the main body, the spring can press the pressing plate downwards, so that the fixing plate is pressed downwards, the lithium battery body is conveniently pressed and fixed, the stability of the lithium battery body is improved, the rubber pad can prevent the lithium battery body from being damaged by the pressure of the fixing plate, and the safety of the lithium battery body is further improved;
5. through setting up the heat conduction pad, can protect lithium cell body, avoid lithium cell body to damage simultaneously, promote lithium cell body's anti-seismic performance.
Drawings
Fig. 1 is a front view structural cross-sectional view of a cell structure of a fast-charging polymer lithium ion battery provided in embodiment 1;
fig. 2 is a schematic cross-sectional structural diagram of a cell structure of a fast-charging polymer lithium ion battery provided in embodiment 1;
fig. 3 is a schematic cross-sectional structural diagram of a cell structure of a fast-charging polymer lithium ion battery provided in embodiment 2.
In the figure: the heat conduction type lithium battery comprises a main body 1, a heat conduction layer 2, a cooling box 3, a cooling cavity 4, a flow guide plate 5, a lithium battery body 6, a first conducting rod 7, an elastic sheet 8, a second conducting rod 9, a rubber sleeve 10, a top plate 11, a pressure cylinder 12, a spring 13, a pressure plate 14, a fixed plate 15, a rubber pad 16, a connecting pipe 17, a miniature water pump 18, a water inlet pipe 19 and a heat conduction pad 20.
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the utility model, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Example 1
Referring to fig. 1-2, a fast-charging polymer lithium ion battery cell structure comprises a main body 1, a heat conduction layer 2 is arranged inside the main body 1, a cooling box 3 is arranged inside the heat conduction layer 2, a lithium battery body 6 is arranged inside the cooling box 3, a cooling cavity 4 is formed in the inner wall of the cooling box 3, cooling liquid is arranged inside the cooling cavity 4, a flow guide plate 5 is welded inside the cooling cavity 4, the flow guide plate 5 is spiral, a water outlet hole is formed in the top of the cooling box 3, a connecting pipe 17 is arranged at the water outlet hole, a micro water pump 18 is arranged at the bottom of the main body 1, a water inlet hole is formed in the bottom of the cooling box 3, a water inlet pipe 19 is arranged at the water inlet hole, one end of the water inlet pipe 19 and one end of the connecting pipe 17 are respectively connected with a water outlet and a water inlet of the micro water pump 18, the cooling liquid in the cooling cavity 4 is extracted through the micro water pump 18, so that the cooling liquid flows circularly, the circularly flowing cooling liquid spirals upwards along the flow guide plate 5 in the cooling cavity 4, the coolant liquid can carry out whole cooling to the inside of cooling cavity 4 to carry out abundant heat dissipation to the lithium cell body 6 of 3 inside cooling boxs, thereby promote lithium cell body 6's cooling effect, avoid the cooling inhomogeneous, promote lithium cell body 6's security.
Wherein, first through-hole has been seted up to one side of heat-conducting layer 2, and connecting pipe 17 runs through first through-hole, and the material of heat-conducting layer 2 is copper, can carry out heat conduction, heat dissipation to the outer wall of cooler bin 3 through heat-conducting layer 2, and connecting pipe 17 that runs through heat-conducting layer 2 simultaneously also can dispel the heat through heat-conducting layer 2 to the coolant liquid heat dissipation of being convenient for, thereby the recycling of the coolant liquid of being convenient for.
Wherein, lithium cell body 6's top is equipped with first conducting rod 7, and the top of main part 1 is equipped with roof 11, and the second through-hole has been seted up at roof 11's top, and the inside of second through-hole is equipped with second conducting rod 9, and the bottom welding of second conducting rod 9 has flexible piece 8, fixes roof 11 behind main part 1's top, can link to each other through possessing elastic piece 8 between second conducting rod 9 and the first conducting rod 7 to be convenient for lithium cell body 6's use.
Wherein, main part 1 is equipped with rubber sleeve 10 in second through-hole department, and second conducting rod 9 runs through rubber sleeve 10, can protect second conducting rod 9 through rubber sleeve 10, and the leakproofness of hoisting device avoids the inside of foreign matter entering device simultaneously, influences 6 work of lithium cell body.
Wherein, the bottom of roof 11 bonds and has a pressure section of thick bamboo 12, and the inside of pressing a section of thick bamboo 12 is equipped with spring 13, and the bottom of spring 13 bonds and has clamp plate 14, and clamp plate 14's bottom bonds and has fixed plate 15, and roof 11 fixes behind the top of main part 1, and spring 13 can make clamp plate 14 push down to make fixed plate 15 push down, be convenient for press lithium cell body 6 fixedly, promote lithium cell body 6's stability.
Wherein, the bottom of fixed plate 15 bonds there is rubber pad 16, can avoid the pressure of fixed plate 15 to make lithium cell body 6 damage through rubber pad 16, further promotion lithium cell body 6's security.
The working principle is as follows: the cooling liquid in the cooling cavity 4 is extracted through the micro water pump 18, so that the cooling liquid flows circularly, the circularly flowing cooling liquid is spirally upwards arranged in the cooling cavity 4 along the guide plate 5, the cooling liquid can integrally cool the inside of the cooling cavity 4, and the lithium battery body 6 in the cooling box 3 is sufficiently cooled, so that the cooling effect of the lithium battery body 6 is improved, uneven cooling is avoided, and the safety of the lithium battery body 6 is improved;
the heat conduction layer 2 can conduct heat conduction and heat dissipation on the outer wall of the cooling box 3, and meanwhile, the connecting pipe 17 penetrating through the heat conduction layer 2 can also conduct heat dissipation through the heat conduction layer 2, so that heat dissipation of the cooling liquid is facilitated, and recycling of the cooling liquid is facilitated;
after the top plate 11 is fixed on the top of the main body 1, the second conducting rod 9 and the first conducting rod 7 can be connected through the elastic sheet 8 with elasticity, thereby facilitating the use of the lithium battery body 6;
the second conducting rod 9 can be protected through the rubber sleeve 10, meanwhile, the sealing performance of the device is improved, and foreign matters are prevented from entering the device and affecting the work of the lithium battery body 6;
Example 2
Referring to fig. 3, a polymer lithium ion battery electricity core structure fast charges, this embodiment compares in embodiment 1, and in order to increase the practicality of device, the inside of cooler bin 3 bonds has thermal pad 20, can protect lithium cell body 6 through thermal pad 20, avoids lithium cell body 6 to damage simultaneously, promotes lithium cell body 6's anti-seismic performance.
The working principle is as follows: the cooling liquid in the cooling cavity 4 is extracted through the micro water pump 18, so that the cooling liquid flows circularly, the circularly flowing cooling liquid is spirally upwards arranged in the cooling cavity 4 along the guide plate 5, the cooling liquid can integrally cool the inside of the cooling cavity 4, and the lithium battery body 6 in the cooling box 3 is sufficiently cooled, so that the cooling effect of the lithium battery body 6 is improved, uneven cooling is avoided, and the safety of the lithium battery body 6 is improved;
the heat conduction layer 2 can conduct heat conduction and heat dissipation on the outer wall of the cooling box 3, and meanwhile, the connecting pipe 17 penetrating through the heat conduction layer 2 can also conduct heat dissipation through the heat conduction layer 2, so that heat dissipation of the cooling liquid is facilitated, and recycling of the cooling liquid is facilitated;
after the top plate 11 is fixed on the top of the main body 1, the second conducting rod 9 and the first conducting rod 7 can be connected through the elastic sheet 8 with elasticity, so that the lithium battery body 6 is convenient to use;
the second conducting rod 9 can be protected through the rubber sleeve 10, meanwhile, the sealing performance of the device is improved, and foreign matters are prevented from entering the device and affecting the work of the lithium battery body 6;
after the top plate 11 is fixed on the top of the main body 1, the spring 13 can press the pressing plate 14 downwards, so that the fixing plate 15 is pressed downwards, the lithium battery body 6 is conveniently pressed and fixed, the stability of the lithium battery body 6 is improved, the lithium battery body 6 can be prevented from being damaged by the pressure of the fixing plate 15 through the rubber pad 16, and the safety of the lithium battery body 6 is further improved;
can protect lithium cell body 6 through thermal pad 20, avoid lithium cell body 6 to damage simultaneously, promote lithium cell body 6's anti-seismic performance.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (7)
1. The utility model provides a fill polymer lithium ion battery electricity core structure soon, includes main part (1), its characterized in that, the inside of main part (1) is equipped with heat-conducting layer (2), the inside of heat-conducting layer (2) is equipped with cooler bin (3), the inside of cooler bin (3) is equipped with lithium cell body (6), cooling cavity (4) have been seted up to the inner wall of cooler bin (3), the inside of cooling cavity (4) is equipped with the coolant liquid, the inside fixedly connected with guide plate (5) of cooling cavity (4), guide plate (5) are the heliciform, the apopore has been seted up at the top of cooler bin (3), and apopore department is equipped with connecting pipe (17), the bottom of main part (1) is equipped with miniature pump (18), the inlet opening has been seted up to the bottom of cooler bin (3), and inlet opening department is equipped with inlet tube (19), inlet tube (19) with the one end of connecting pipe (17) respectively with the delivery port of miniature pump (18) Is connected with the water inlet.
2. The cell structure of a fast-charging polymer lithium ion battery according to claim 1, wherein a first through hole is opened on one side of the heat conducting layer (2), the connecting pipe (17) penetrates through the first through hole, and the heat conducting layer (2) is made of copper.
3. The quick-charging polymer lithium ion battery cell structure according to claim 1, wherein a first conductive rod (7) is arranged at the top of the lithium battery body (6), a top plate (11) is arranged at the top of the main body (1), a second through hole is formed at the top of the top plate (11), a second conductive rod (9) is arranged inside the second through hole, and an elastic sheet (8) is fixedly connected to the bottom of the second conductive rod (9).
4. The cell structure of the fast-charging polymer lithium ion battery of claim 3, characterized in that the main body (1) is provided with a rubber sleeve (10) at the second through hole, and the second conducting rod (9) penetrates through the rubber sleeve (10).
5. The cell structure of the fast-charging polymer lithium ion battery of claim 3, wherein a pressing cylinder (12) is bonded to the bottom of the top plate (11), a spring (13) is disposed inside the pressing cylinder (12), a pressing plate (14) is bonded to the bottom of the spring (13), and a fixing plate (15) is bonded to the bottom of the pressing plate (14).
6. The cell structure of a fast-charging polymer lithium ion battery according to claim 5, wherein a rubber gasket (16) is bonded to the bottom of the fixing plate (15).
7. The cell structure of a fast-charging polymer lithium ion battery according to claim 1, characterized in that a thermal pad (20) is bonded inside the cooling box (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220057763.XU CN216750065U (en) | 2022-01-11 | 2022-01-11 | Fast polymer lithium ion battery cell structure that charges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220057763.XU CN216750065U (en) | 2022-01-11 | 2022-01-11 | Fast polymer lithium ion battery cell structure that charges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216750065U true CN216750065U (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220057763.XU Active CN216750065U (en) | 2022-01-11 | 2022-01-11 | Fast polymer lithium ion battery cell structure that charges |
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| CN (1) | CN216750065U (en) |
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- 2022-01-11 CN CN202220057763.XU patent/CN216750065U/en active Active
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