CN218769740U

CN218769740U - Sodium ion battery protection device

Info

Publication number: CN218769740U
Application number: CN202222699219.8U
Authority: CN
Inventors: 岑华杰; 钟永亮; 蒋灵
Original assignee: Shenzhen Huachi New Energy Technology Co ltd
Current assignee: Shenzhen Huachi New Energy Technology Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-03-28
Anticipated expiration: 2032-10-13

Abstract

The utility model discloses a sodium ion battery protection device relates to battery technical field. The utility model provides a sodium ion battery protection device, includes the battery case, and the inside of battery case is provided with sodium ion battery, the gasbag mount pad is installed to the bottom of battery case, and the internally mounted of gasbag mount pad has the gasbag, is connected with the outlet duct between gasbag and the sodium ion battery bottom lower surface, installs the air outlet valve on the outlet duct, install connected cooling box and heating cabinet on the battery case outer wall in proper order, be connected with the intake pipe between the bottom of heating cabinet and the gasbag, install electric valve in the intake pipe, cooling box top is equipped with the inlet box, installs inlet fan in the inlet box. The utility model discloses can be like this according to external air temperature, artificial selection heaies up or cools down sodium ion battery to ensure that the battery can work at suitable environment, improved work efficiency.

Description

Sodium ion battery protection device

Technical Field

The utility model relates to a battery technology field specifically is a sodium ion battery protection device.

Background

The sodium ion battery is a rechargeable battery, and the storage and release of electric quantity are realized mainly by the movement of sodium ions between a positive electrode and a negative electrode, and the working principle of the sodium ion battery is similar to that of the lithium ion battery. Sodium ion battery direct mount usually lacks corresponding protection device in the install bin when using, and sodium ion battery easily produces the heat in the use, can lead to the battery to damage when the temperature is higher.

Chinese utility model patent with the publication number "CN214254603U" discloses a sodium ion battery protection device, when its outside takes place vibrations, when the backup pad extrudes the gasbag, the inside gas of gasbag passes through the outlet duct and gets into in the inner chamber of strip shaped plate and spout through the blowing pipe, and the heat in the gas drive heat dissipation space of spun flows, cools down the sodium ion battery.

But the air that enters into the gasbag in this technical scheme is external air, in practice in the application, have following problem, firstly, summer outside temperature is high, air temperature is also higher, the outside air entering is limited to the cooling effect that the battery played this moment, secondly, winter outside temperature is low, outside air temperature is low, cold air can influence the normal work of battery on the contrary this moment, thirdly, the gasbag is cooled down passively, only can work when the external automobile body receives vibrations, lead to the range of application to be limited, the limitation is big.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sodium ion battery protection device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sodium ion battery protection device, includes the battery case, and the inside of battery case is provided with sodium ion battery, the gasbag mount pad is installed to the bottom of battery case, and the internally mounted of gasbag mount pad has the gasbag, is connected with the outlet duct between gasbag and the sodium ion battery bottom lower surface, installs the air outlet valve on the outlet duct, install connected cooling box and heating cabinet on the battery case outer wall in proper order, be connected with the intake pipe between the bottom of heating cabinet and the gasbag, install electric valve in the intake pipe, cooling box top is equipped with the inlet box, installs inlet fan in the inlet box.

As preferred technical scheme in this application, be provided with the heat sink in the cooling case, the cooling case is the pipe form, and the heat sink is equipped with feed liquor pipe and drain pipe respectively including installing the coolant liquid holding vessel on cooling case outer wall on the coolant liquid holding vessel, is connected with spiral coil between feed liquor pipe and the drain pipe, and spiral coil is located the inside of cooling case, installs the circulating pump on the drain pipe.

As preferred technical scheme in this application, the inside rising temperature device that is provided with of heating cabinet, rising temperature device include the heater, and the heater includes a plurality of heater strips that are connected, and the heater strip is located the inside of heating cabinet, and the equidistance is equipped with a plurality of hot plates on the inner wall of heating cabinet, and the heater strip contacts with the hot plate, and sets up a plurality of holes that supply the air to pass on the hot plate.

As the preferred technical scheme in this application, the top of air inlet box is connected with the siphunculus, and siphunculus internally mounted has the filtration that is used for filtered air.

As preferred technical scheme in this application, filtration is including installing active carbon honeycomb panel and the filter screen on the siphunculus inner wall, and the filter screen is located the outside of siphunculus, and active carbon honeycomb panel is located the inboard of siphunculus.

As preferred technical scheme in this application, the internally mounted of battery case has violently the pipe, and the one end of outlet duct is connected on violently managing, violently installs a plurality of calandrias on the pipe, sodium ion battery's lower surface equidistance is equipped with a plurality of radiating fin, and the calandria is located the clearance between the radiating fin.

As the preferable technical scheme in the application, the protection device further comprises a controller, and the heater, the circulating pump and the air inlet fan are electrically connected with the controller.

As the preferable technical scheme in the application, the outer wall of the sodium ion battery is provided with the temperature sensor, and the temperature sensor is electrically connected with the controller.

Compared with the prior art, the beneficial effects of the utility model are that:

this sodium ion battery protection device, when summer, the temperature of sodium ion battery during operation is higher, opens the heat sink this moment, closes the rising temperature device, and external air gets into and contacts with the heat sink for the temperature of air reduces, and the air after the cooling is cooled down sodium ion battery, improves sodium ion battery's work efficiency. In winter, the heating device is started, the cooling device is closed, the outside cold air is heated by the heating device to raise the temperature, and then the air near the sodium ion battery is raised, so that the sodium ion battery can be artificially heated or cooled according to the outside air temperature, the battery can be ensured to work in a proper environment, and the working efficiency is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the internal structure of the air intake box, the cooling box and the heating box of the present invention;

FIG. 3 is a schematic structural view of the heating device of the present invention;

fig. 4 is a schematic structural view of the cooling device of the present invention.

In the figure: 1. a battery case; 2. an airbag mounting seat; 201. an air outlet pipe; 3. an air inlet pipe; 4. a heating box; 5. a cooling box; 6. an air intake box; 601. pipe passing; 602. a filter screen; 603. an air intake fan; 7. a cooling device; 701. a coolant storage tank; 702. an inlet pipe; 703. a liquid outlet pipe; 704. a circulation pump; 705. a helical coil; 706. a liquid inlet pipe; 8. a temperature raising device; 801. a heater; 802. heating wires; 803. heating the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship indicated based on the drawings, which is only for convenience of description of the present invention and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one of the figures, it will not need to be further discussed or illustrated in detail in the description of the figures that follows.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a sodium ion battery protection device, including battery case 1, the inside of battery case 1 is provided with sodium ion battery, gasbag mount pad 2 is installed to the bottom of battery case 1, the internally mounted of gasbag mount pad 2 has the gasbag, be connected with outlet duct 201 between gasbag and the sodium ion battery bottom lower surface, install the air outlet valve on the outlet duct 201, install connected cooling box 5 and heating cabinet 4 on the 1 outer wall of battery case in proper order, be connected with intake pipe 3 between the bottom of heating cabinet 4 and the gasbag, install electric valve on the intake pipe 3, cooling box 5 tops are equipped with inlet box 6, install inlet fan 603 in the inlet box 6. The sodium ion battery of the device is fixedly arranged in the battery box 1, the air bag at the bottom does not play a role in shock absorption, and the heat dissipation hole is formed in the back of the battery box 1 and used for exhausting the air in the battery box 1. When summer, the temperature of sodium ion battery during operation is higher, opens heat sink 7 this moment, closes heat rising device 8, and external air gets into and contacts with heat sink 7 for the temperature of air reduces, and the air after the cooling is cooled down sodium ion battery, improves sodium ion battery's work efficiency. In winter, the temperature rising device 8 is started, the temperature reducing device 7 is closed, and the outside cold air is heated by the temperature rising device 8, so that the temperature of the air near the sodium ion battery is raised.

As a specific embodiment, as shown in fig. 2 and 4, a cooling device 7 is disposed in the cooling box 5, the cooling box 5 is in a circular tube shape, the cooling device 7 includes a cooling liquid storage tank 701 mounted on an outer wall of the cooling box 5, the cooling liquid storage tank 701 is respectively provided with a liquid inlet pipe 706 and a liquid outlet pipe 703, a spiral coil 705 is connected between the liquid inlet pipe 706 and the liquid outlet pipe 703, the spiral coil 705 is located inside the cooling box 5, and a circulation pump 704 is mounted on the liquid outlet pipe 703. Specifically, the cooling liquid storage tank 701 is filled with cooling liquid, by turning on the circulation pump 704, the cooling liquid enters the spiral coil 705 from the liquid outlet pipe 703, then flows into the liquid inlet pipe 706 and returns to the cooling liquid storage tank 701 again, the temperature of air near the spiral coil 705 decreases, and when high-temperature air flowing into the cooling box 5 passes through a gap at the spiral coil 705, convection occurs in the air, so that the temperature of the air decreases. Further, an inlet pipe 702 is provided in the coolant storage tank 701, and a plug is screwed to the inlet pipe 702.

As a specific embodiment, as shown in fig. 2 and fig. 3, a heating device 8 is disposed inside the heating box 4, the heating device 8 includes a heater 801, the heater 801 includes a plurality of connected heating wires 802, the heating wires 802 are located inside the heating box 4, a plurality of heating plates 803 are disposed on the inner wall of the heating box 4 at equal intervals, the heating wires 802 contact with the heating plates 803, and a plurality of holes for air to pass through are disposed on the heating plates 803. By turning on the heater 801, the temperature of the heating wire 802 on the heater 801 gradually increases, and since the heating wire 802 is in contact with the heating plate 803, the temperature of the heating plate 803 gradually increases, so that the temperature of air near the heating plate 803 gradually increases, and thus cold air from the outside can be convected with hot air near the heating plate 803, and finally the temperature of air is increased.

As a specific embodiment, the top of the intake box 6 is connected with a through pipe 601, a filtering structure for filtering air is installed inside the through pipe 601, the filtering structure includes an activated carbon honeycomb panel and a filter screen 602, the activated carbon honeycomb panel is installed on the inner wall of the through pipe 601, the filter screen 602 is located outside the through pipe 601, and the activated carbon honeycomb panel is located inside the through pipe 601. Since the foreign substances are mixed in the external air, the foreign substances such as dust can be removed through the filter screen 602 and the activated carbon honeycomb panel, and thus the foreign substances such as dust can not be accumulated in the battery case 1.

As a specific embodiment, the battery box 1 is internally provided with a horizontal tube, one end of the air outlet tube 201 is connected to the horizontal tube, the horizontal tube is provided with a plurality of rows of tubes, the lower surface of the sodium ion battery is equidistantly provided with a plurality of radiating fins, and the rows of tubes are located in gaps between the radiating fins. It should be noted that the calandria and the heat dissipating fins are arranged in parallel, and the calandria is located between the heat dissipating fins, so that air can exchange heat with both sides of the heat dissipating fins uniformly, and the heat dissipating efficiency and the heat conduction efficiency of the heat dissipating fins are improved.

As a specific embodiment, the protection device further includes a controller, the heater 801, the circulation pump 704 and the air intake fan 603 are all electrically connected to the controller, and a temperature sensor is installed on an outer wall of the sodium ion battery and electrically connected to the controller. Specifically, the controller may be installed at a different location according to a vehicle type, for example, in an electric vehicle, the controller may be installed at a vehicle head location, specifically, near the display, and in an electric vehicle, the controller may be installed near the dashboard.

In summer, the temperature of sodium ion battery during operation is higher, opens heat sink 7 this moment, closes heat rising device 8, and external air gets into and contacts with heat sink 7 for the temperature of air reduces, and the air after the cooling cools down sodium ion battery, improves sodium ion battery's work efficiency. In winter, the temperature rising device 8 is started, the temperature reducing device 7 is closed, and the outside cold air is heated by the temperature rising device 8, so that the air near the sodium ion battery is raised. In addition, this device can be according to temperature sensor's demonstration numerical value, the work of artificial control heat sink 7 or rising temperature device 8, and the range of application is wider.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sodium ion battery protection device, includes battery case (1), and the inside of battery case (1) is provided with sodium ion battery, gasbag mount pad (2) are installed to the bottom of battery case (1), and the internally mounted of gasbag mount pad (2) has the gasbag, is connected with outlet duct (201) between gasbag and the sodium ion battery bottom lower surface, installs air outlet valve, its characterized in that on outlet duct (201): the battery case is characterized in that a cooling box (5) and a heating box (4) which are connected are sequentially installed on the outer wall of the battery case (1), an air inlet pipe (3) is connected between the bottom end of the heating box (4) and the air bag, an electric valve is installed on the air inlet pipe (3), an air inlet box (6) is arranged at the top of the cooling box (5), and an air inlet fan (603) is installed in the air inlet box (6).

2. A sodium-ion battery protection device according to claim 1, characterized in that: be provided with heat sink (7) in cooling box (5), cooling box (5) are the pipe form, cooling device (7) are including installing coolant liquid holding vessel (701) on cooling box (5) outer wall, be equipped with feed liquor pipe (706) and drain pipe (703) on coolant liquid holding vessel (701) respectively, be connected with spiral coil (705) between feed liquor pipe (706) and drain pipe (703), spiral coil (705) are located the inside of cooling box (5), install circulating pump (704) on drain pipe (703).

3. A sodium-ion battery protection device according to claim 1, characterized in that: heating cabinet (4) inside is provided with rising temperature device (8), and rising temperature device (8) include heater (801), and heater (801) include a plurality of heater strips (802) that are connected, and heater strip (802) are located the inside of heating cabinet (4), and the equidistance is equipped with a plurality of hot plates (803) on the inner wall of heating cabinet (4), and heater strip (802) contact with hot plate (803), and set up a plurality of holes that supply the air to pass on hot plate (803).

4. The sodium-ion battery protection device of claim 1, wherein: the top of air inlet box (6) is connected with siphunculus (601), and siphunculus (601) internally mounted has the filtration that is used for filtered air.

5. A sodium-ion battery protection device according to claim 4, characterized in that: the filtering structure comprises an active carbon honeycomb plate and a filter screen (602), wherein the active carbon honeycomb plate and the filter screen (602) are arranged on the inner wall of the through pipe (601), the filter screen (602) is positioned on the outer side of the through pipe (601), and the active carbon honeycomb plate is positioned on the inner side of the through pipe (601).

6. The sodium-ion battery protection device of claim 1, wherein: the internally mounted of battery case (1) has violently the pipe, and the one end of outlet duct (201) is connected on violently managing, violently installs a plurality of calandrias on the pipe, sodium ion battery's lower surface equidistance is equipped with a plurality of radiating fin, and the calandria is arranged in the clearance between the radiating fin.

7. A sodium-ion battery protection device according to any one of claims 1-6, wherein: the protection device further comprises a controller, and the heater (801), the circulating pump (704) and the air inlet fan (603) are electrically connected with the controller.

8. A sodium-ion battery protection device according to claim 7, wherein: and the outer wall of the sodium ion battery is provided with a temperature sensor which is electrically connected with the controller.