CN210926237U

CN210926237U - Lithium iron phosphate battery with good heat dissipation performance

Info

Publication number: CN210926237U
Application number: CN202020042565.7U
Authority: CN
Inventors: 佘志安
Original assignee: Intellect Pioneering Battery Technology Co ltd
Current assignee: Intellect Pioneering Battery Technology Co ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-07-03
Anticipated expiration: 2030-01-09

Abstract

The utility model discloses a lithium iron phosphate battery that heat dispersion is good belongs to heat abstractor technical field, including the lithium cell, two negative pole copper billets of left end fixedly connected with of lithium cell, two positive pole copper billets of right-hand member fixedly connected with of lithium cell, the upper end fixedly connected with heat dissipation silica gel pad of lithium cell, the pure copper heat dissipation layer of upper end fixedly connected with of heat dissipation silica gel pad, the even heat radiation fins of upper end fixedly connected with a plurality of distribution on pure copper heat dissipation layer, the upper end four corners department on pure copper heat dissipation layer all cuts a hole, the equal fixedly connected with pure aluminum plate in both ends around the lithium cell, finally can realize dispelling the heat to the lithium cell fast, prevent that the lithium cell from overheated influence lithium cell normal.

Description

Lithium iron phosphate battery with good heat dissipation performance

Technical Field

The utility model relates to a heat abstractor technical field, more specifically say, relate to a lithium iron phosphate battery that heat dispersion is good.

Background

The lithium battery is a primary battery which takes lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, is different from a rechargeable battery, namely a lithium ion battery and a lithium ion polymer battery, the inventor of the lithium battery is edison, and because the chemical characteristics of the lithium metal are very active, the environmental requirements on the processing, storage and use of the lithium metal are very high, so the lithium battery is not applied for a long time, with the development of microelectronic technology at the end of the twentieth century, miniaturized equipment is increasingly increased, high requirements on a power supply are provided, the lithium battery enters a large-scale practical stage, the lithium battery is applied to a cardiac pacemaker at the earliest time, the self-discharge rate of the lithium battery is extremely low, the discharge voltage is mild, the pacemaker implanted into a human body can operate for a long time without recharging, and the use of the lithium battery is more extensive with the development of society, a lithium metal battery is a type of battery using lithium metal or a lithium alloy as a negative electrode material and using a nonaqueous electrolyte solution.

The existing lithium battery is easy to generate heat in the continuous discharge process due to poor heat conduction and heat dissipation, and once the temperature is too high, great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a lithium iron phosphate battery that heat dispersion is good, it can realize dispelling the heat to the lithium cell fast, prevents that the lithium cell from overheated influence lithium cell normal work.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

the utility model provides a lithium iron phosphate battery that heat dispersion is good, includes the lithium cell, two negative pole copper billets of left end fixedly connected with of lithium cell, two positive pole copper billets of right-hand member fixedly connected with of lithium cell, the upper end fixedly connected with heat dissipation silica gel pad of lithium cell, the pure copper heat dissipation layer of upper end fixedly connected with of heat dissipation silica gel pad, the even heat radiation fins of a plurality of distribution of the upper end fixedly connected with of pure copper heat dissipation layer, the upper end four corners department on pure copper heat dissipation layer all cuts a hole threaded hole, the equal pure aluminum plate of fixedly connected with in both ends around the lithium cell finally can realize dispelling the heat to the lithium cell fast, prevents that the lithium cell from overheated influence lithium cell.

In order to make the radiating effect who improves the device, as the utility model discloses an optimal scheme, two the equal fixedly connected with a plurality of one end that pure aluminium plate kept away from distributes even pure copper radiating rod, and is a plurality of pure copper radiating rod all chooses for use pure copper material.

In order to make the better heat dissipation of device and fixed, conduct the utility model discloses an optimal scheme, it is a plurality of heat radiation fins's upper end fixedly connected with heating panel, pure aluminium material is chooseed for use to the heating panel, the upper end four corners department of heating panel has all dug the mounting hole.

In order to make the radiating effect who improves the device, also prevent fish tail customer when preventing to install the lithium cell, as the utility model discloses an optimal scheme, the upper end of heating panel is dug there are six louvres that distribute evenly, the inner wall of louvre is smooth to be polished.

In order to make the fixed effect who improves the device, as the utility model discloses a preferred scheme, four equal activity is pegged graft in the mounting hole has set screw, four set screw's circumferential surface lower part and rather than corresponding screw hole threaded connection.

In order to make prevent to put the fish tail customer when the installation battery, also in order to prevent that the condition of short circuit from appearing in the battery, as the utility model discloses an optimal scheme, two negative pole copper billet and two the edges and corners department of anodal copper billet is all smooth to be polished, and the surface of two negative pole copper billets and two anodal copper billets all overlaps and is equipped with the insulating rubber cover.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the upper end of this scheme lithium cell is provided with heat dissipation silica gel pad, heat dissipation silica gel pad's setting is convenient for the device and gives pure copper heat dissipation layer with the temperature transfer, pure copper heat dissipation layer gives a plurality of heat radiation fins with the temperature transfer, a plurality of heat radiation fins give the heating panel with the temperature transfer, the heating panel is dug and is had six louvres, the heat radiating area of heating panel has been increased, the radiating effect of heating panel has been improved, both ends all are provided with pure aluminum plate around the lithium cell simultaneously, give a plurality of pure copper radiating rods with the temperature transfer after pure aluminum plate absorbs the heat of lithium cell, make a plurality of faces of lithium cell dispel the heat simultaneously, improve radiating effect, be of value.

(2) This scheme heating panel and pure copper heat dissipation layer are opened respectively and are dug there are a plurality of mounting holes and a plurality of screw hole, and a plurality of mounting holes and a plurality of screw hole have increased the fastness of pure copper heat dissipation layer and heating panel through a plurality of set screw threaded connection simultaneously, and the upper end of heating panel is the plane, is of value to the installation and the dismantlement of lithium cell when using, makes the device use more convenient.

Drawings

Fig. 1 is a perspective view of a lithium iron phosphate battery with good heat dissipation performance according to the present invention;

fig. 2 is a plan view of a lithium iron phosphate battery of the present invention with good heat dissipation performance;

fig. 3 is a top view of a lithium iron phosphate battery with good heat dissipation performance.

The reference numbers in the figures illustrate:

1 lithium cell, 2 anodal copper blocks, 3 heat dissipation silica gel pads, 4 pure copper heat dissipation layers, 5 pure aluminum plates, 6 pure copper radiating rods, 7 screw holes, 8 heat dissipation fins, 9 negative pole copper blocks, 10 mounting holes, 11 set screw, 12 louvres, 13 heating panels.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-3, a lithium iron phosphate battery with good heat dissipation performance includes a lithium battery 1, two negative copper blocks 9 are fixedly connected to the left end of the lithium battery 1, two positive copper blocks 2 are fixedly connected to the right end of the lithium battery 1, a heat dissipation silica gel pad 3 is fixedly connected to the upper end of the lithium battery 1, a pure copper heat dissipation layer 4 is fixedly connected to the upper end of the heat dissipation silica gel pad 3, a plurality of heat dissipation fins 8 are fixedly connected to the upper end of the pure copper heat dissipation layer 4, threaded holes 7 are drilled at four corners of the upper end of the pure copper heat dissipation layer 4, and pure aluminum plates 5 are fixedly connected to the front end and the rear end of the lithium.

In this embodiment, anodal copper billet 2 and negative pole copper billet 9 are that the electric current in the interconnecting link lithium cell 1 of being convenient for passes through, heat dissipation silica gel pad 3 is convenient for transmit the temperature of lithium cell 1 for pure copper heat dissipation layer 4, pure copper heat dissipation layer 4 is being convenient for transmit the temperature for a plurality of heat radiation fins 8, pure aluminum plate 5 is the thermal of absorbing lithium cell 1, make the device increase heat radiating area, the radiating efficiency of lithium cell 1 has been improved, make lithium cell 1 safer when using.

Specifically, referring to fig. 1-3, the ends of the two pure aluminum plates 5 away from each other are fixedly connected with a plurality of uniformly distributed pure copper heat dissipation rods 6, and the plurality of pure copper heat dissipation rods 6 are made of pure copper.

In this embodiment, being provided with of a plurality of pure copper cooling bars 6 benefits in improving the radiating effect of lithium cell 1, lithium cell 1 gives two pure aluminum plate 5 with the temperature transfer, and two pure aluminum plate 5 give a plurality of pure copper cooling bars 6 with the temperature transfer, and a plurality of pure copper cooling bars 6 select for use pure copper material, are of value to the radiating effect of improving device, finally realize increasing heat radiating surface area, increase the security of lithium cell 1 when using.

Specifically, referring to fig. 1 and 3, the upper ends of the plurality of heat dissipation fins 8 are fixedly connected with a heat dissipation plate 13, the heat dissipation plate 13 is made of pure aluminum, and four corners of the upper end of the heat dissipation plate 13 are all provided with mounting holes 10.

In this embodiment, a plurality of heat radiation fins 8 transmit the temperature to the heating panel 13, and the heating panel 13 chooses for use pure aluminium material to be favorable to the surface area that improves the device to improve the radiating efficiency of device, all cut mounting hole 10 in the upper end four corners department of heating panel 13, the mounting hole 10 be provided with benefit in the installation of set screw 11, make heating panel 13 and pure copper heat dissipation layer 4 pass through set screw 11 more firm fixed together, improved the security of device.

Specifically, referring to fig. 1 and 3, six heat dissipation holes 12 are uniformly distributed at the upper end of the heat dissipation plate 13, and the inner walls of the heat dissipation holes 12 are polished smoothly.

In this embodiment, the surface area of the heat dissipation plate 13 is increased by the arrangement of the six heat dissipation holes 12, the heat dissipation effect of the heat dissipation plate 13 is improved, the inner walls of the six heat dissipation holes 12 are polished smoothly, the scratch of a customer during installation or disassembly is prevented beneficially, and the safety of the device is improved.

Specifically, referring to fig. 1 and 2, the four mounting holes 10 are movably inserted with fixing screws 11, and the lower portions of the circumferential surfaces of the four fixing screws 11 are in threaded connection with the corresponding threaded holes 7.

In this embodiment, the installation of four set screws 11 is good for increasing the stability between heating panel 13 and the pure copper heat dissipation layer 4, prevents simultaneously that a plurality of heat radiation fins 8's edges and corners from exposing outside fish tail customer, has improved the security of device use, and the setting of four set screws 11 also is convenient for simultaneously heating panel 13 and the installation and the dismantlement of pure copper heat dissipation layer 4, makes the device use more convenient.

The edges and corners of the two negative copper blocks 9 and the two positive copper blocks 2 are all polished smoothly, and the surfaces of the two negative copper blocks 9 and the two positive copper blocks 2 are all sleeved with insulating rubber sleeves, which are not shown in the figure.

In this embodiment, the edges and corners of two negative pole copper bars 9 and two positive pole copper bars 2 are smooth to be polished, the effectual fish tail customer when preventing to install and use, the surface cover of two negative pole copper bars 9 and two positive pole copper bars 2 is equipped with the insulating rubber cover, prevent short circuit between two negative pole copper bars 9 and two positive pole copper bars 2, cause the unable normal use of lithium cell 1, also prevent that the short circuit from causing the spark to arouse the conflagration, the security of device has been improved, can take off the insulating rubber cover when needs use, can establish the insulating rubber cover on the surface of two positive pole copper bars 2 and two negative pole copper bars 9 when need not using.

The working principle is as follows: when the heat of the lithium battery 1 is too high, the lithium battery 1 transfers the heat to the heat dissipation silica gel pad 3 and the two pure aluminum plates 5, the heat dissipation silica gel pad 3 transfers the temperature to the pure copper heat dissipation layer 4, the pure copper heat dissipation layer 4 transfers the temperature to the plurality of heat dissipation fins 8, the plurality of heat dissipation fins 8 transfer the temperature to the heat dissipation plate 13, the two pure aluminum plates 5 transfer the temperature to the plurality of pure copper heat dissipation rods 6, and the temperature of the lithium battery 1 is rapidly reduced by increasing the heat dissipation area, when it is required to increase the heat dissipation effect, the four fixing screws 11 are rotated to separate the four fixing screws 11 from the four mounting holes 10, the heat dissipation plate 13 can be taken down, the plurality of heat dissipation fins 8 are replaced, the heat dissipation plate 13 is placed at the upper ends of the plurality of heat dissipation fins 8 after replacement is finished, the four fixing screws 11 are respectively inserted into the four mounting holes 10 and the four threaded holes 7, and the four fixing screws 11 are rotated to realize fixation.

The above description is only 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 can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims

1. The utility model provides a lithium iron phosphate battery that heat dispersion is good, includes lithium cell (1), its characterized in that: the lithium battery comprises a lithium battery (1), two negative copper blocks (9) are fixedly connected to the left end of the lithium battery (1), two positive copper blocks (2) are fixedly connected to the right end of the lithium battery (1), a heat dissipation silica gel pad (3) is fixedly connected to the upper end of the lithium battery (1), a pure copper heat dissipation layer (4) is fixedly connected to the upper end of the heat dissipation silica gel pad (3), a plurality of heat dissipation fins (8) which are uniformly distributed are fixedly connected to the upper end of the pure copper heat dissipation layer (4), threaded holes (7) are formed in four corners of the upper end of the pure copper heat dissipation layer (4), and pure aluminum plates (5) are fixedly connected to the front end and the rear end of the.

2. The lithium iron phosphate battery with good heat dissipation performance according to claim 1, characterized in that: two the equal fixedly connected with a plurality of pure copper cooling rod (6) that distribute evenly of one end that pure aluminum plate (5) kept away from mutually, it is a plurality of pure copper cooling rod (6) all select for use pure copper material.

3. The lithium iron phosphate battery with good heat dissipation performance according to claim 2, characterized in that: a plurality of the upper end fixedly connected with heating panel (13) of heat radiation fin (8), pure aluminium material is chooseed for use in heating panel (13), mounting hole (10) have all been dug in the upper end four corners department of heating panel (13).

4. The lithium iron phosphate battery with good heat dissipation performance according to claim 3, characterized in that: the upper end of the heat dissipation plate (13) is provided with six heat dissipation holes (12) which are uniformly distributed, and the inner walls of the heat dissipation holes (12) are smoothly polished.

5. The lithium iron phosphate battery with good heat dissipation performance according to claim 4, wherein: the four mounting holes (10) are movably inserted with fixing screws (11), and the lower parts of the circumferential surfaces of the four fixing screws (11) are in threaded connection with the corresponding threaded holes (7).

6. The lithium iron phosphate battery with good heat dissipation performance according to claim 5, wherein: two negative pole copper billet (9) and two equal smooth polishing in edges and corners department of anodal copper billet (2), and the surface of two negative pole copper billets (9) and two anodal copper billets (2) all overlaps and is equipped with insulating rubber sleeve.