CN211629253U

CN211629253U - Explosion-proof new forms of energy battery box

Info

Publication number: CN211629253U
Application number: CN202020072291.6U
Authority: CN
Inventors: 苟绍玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-10-02
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses a prevent letting out new forms of energy battery box of exploding, concretely relates to new forms of energy field, including battery box, case lid, the fixed sealing washer that has cup jointed on the top surface of joint flange, the inside of case lid is provided with the battery control board, and the electrode point is installed to the top surface of case lid, waterproof breather valve, and pressure sensor, temperature probe are installed in the embedding respectively to the inside card structure battery module of battery box, baffle, the surface of battery module, baffle, and the internally mounted of battery module has a plurality of 18650 batteries, and the heat dissipation runner has been seted up to the week side of battery module. The utility model discloses an utilize the heat dissipation runner on battery module surface to carry out the heat dissipation of charge-discharge to inside group battery, prevent that heat accumulation from leading to the explosion of battery, and the inside circuit board setting of case lid is by independent waterproof system, carries out the heat dissipation channel of water proof and assurance circuit board to the circuit board through waterproof breather valve, realizes the water proof to whole battery and circuit, improves the security of battery box.

Description

Explosion-proof new forms of energy battery box

Technical Field

The utility model relates to a new forms of energy technical field, more specifically say, the utility model specifically is an explosion-proof new forms of energy battery box.

Background

In the process of development, test and manufacturing of electric motor car, the battery is as its power supply, when the car starts and stops, it can provide the energy in the short time to need the battery, and there is the poor problem of inside radiating effect in current electric motor car battery box, can heat up when the battery charges and discharges, the incasement temperature can sharply rise when the battery goes wrong, and the battery box is for waterproof dustproof, it is airtight structure all, if high-pressure gas can't discharge, then can lead to the explosion accident, the explosion accident that the electric motor car charges and arouses sometimes takes place, there is very big potential safety hazard.

In addition, the installation structure of the battery pack in the existing battery box is complex, and the local installation structure of the battery pack is easily damaged and expanded due to overlong charging and discharging times, overcharge and other reasons in the moving process of the battery box or the driving process of a vehicle, so that the working safety of the battery pack is affected, and safety accidents such as explosion and the like can be caused if the battery pack is maintained and replaced in time.

Therefore, it is highly desirable to provide an explosion-proof new energy battery box that is air permeable and waterproof and can monitor the battery status.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above defects of the prior art, the embodiment of the utility model provides an explosion-proof new energy battery box, through setting up holistic 18650 battery module, utilize the heat dissipation runner on battery module surface to carry out the heat dissipation of charge-discharge to the internal battery group, prevent that the explosion of battery is led to in the heat accumulation, and case lid internal circuit board sets up by independent waterproof system, carry out waterproof protection and guarantee the heat dissipation passageway of circuit board to the circuit board through waterproof breather valve, realize the waterproof protection to whole battery and circuit, improve the security of battery box; additionally, the utility model discloses a set up pressure monitoring mechanism and through inside temperature monitoring mechanism at the edge of battery module, the state of health of real-time supervision battery when the battery state goes wrong, can pass through the pressure sensor at battery module edge after the battery inflation and remind the car owner in time to overhaul on vehicle-mounted display through signal of telecommunication transmission with monitoring information, provide the guarantee for driving safety to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof new energy battery box comprises a battery box and a box cover, wherein the top surface of the battery box is provided with a joint flange matched with the box cover, handles are movably arranged on two sides of the battery box, a sealing ring is fixedly sleeved on the top surface of the joint flange, a battery control panel is arranged inside the case cover, an electrode point and a waterproof vent valve are fixedly arranged on the top surface of the case cover, the end part of the electrode point is electrically connected with the output end of the battery control board, the battery module and the clapboard are clamped in the battery box, the surfaces of the battery module and the clapboard are respectively embedded with a pressure sensor and a temperature probe, the output ends of the pressure sensor and the temperature probe are electrically connected with the input end of the battery control board, a plurality of 18650 batteries are fixedly mounted inside the battery module, and heat dissipation flow channels are formed in the peripheral sides of the battery module.

In a preferred embodiment, the battery box is a PE polymer material member, the edges of the joint flange and the box cover are provided with threaded holes, the joint flange and the box cover are fixedly connected by a screw, the top surface of the joint flange and the bottom surface of the box cover are fixedly connected by a screw, and the sealing ring is located at the joint of the joint flange and the box cover.

In a preferred embodiment, clamping plates are fixedly mounted on the top surface and the bottom surface of the battery module respectively, two ends of the 18650 battery penetrate through the surfaces of the clamping plates, a sealing ring is arranged at the joint of the 18650 battery and the clamping plates, and the heat dissipation flow channel is communicated with a cavity between the clamping plates.

In a preferred embodiment, the ends of the 18650 cells are connected in parallel or in series, and the output ends of the 18650 cells are electrically connected to the input end of the battery control board.

In a preferred embodiment, the pressure sensor is embedded in the side wall of the inner cavity of the battery module, one side of the pressure sensor is abutted with the edge of the 18650 battery, and the surface of the temperature probe is in friction connection with the 18650 battery.

In a preferred embodiment, a ventilation cavity and a ventilation pipeline are formed inside the waterproof ventilation valve, ventilation holes are formed in the periphery of the waterproof ventilation valve and communicated with the ventilation cavity, a sealing ring is movably mounted on the bottom surface of an inner cavity of the ventilation cavity, a valve plate is connected to the top end of the sealing ring in a friction mode, a ventilation membrane is fixedly mounted on the top surface of the valve plate, an elastic sheet is fixedly mounted on the inner wall of the ventilation cavity, and the bottom surface of the elastic sheet is connected to the top surface of the valve plate in a friction mode.

In a preferred embodiment, the breathable membrane is a waterproof breathable membrane, and the elastic sheet is an annular metal elastic sheet.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up holistic 18650 battery module, utilize the heat dissipation runner on battery module surface to carry out the heat dissipation of charge-discharge to inside group battery, prevent that the heat from accumulating and leading to the explosion of battery, and case lid internal circuit board sets up by independent waterproof system, carries out water-proof protection and guarantees the heat dissipation channel of circuit board to the circuit board through waterproof breather valve, realizes the water-proof protection to whole battery and circuit, improves the security of battery box;

2. the utility model discloses a set up pressure monitoring mechanism and through inside temperature monitoring mechanism at the edge of battery module, the state of health of real-time supervision battery when the battery state goes wrong, can pass through the pressure sensor at battery module edge after the battery inflation and remind the car owner in time to overhaul on signal of telecommunication transmits to vehicle-mounted display with monitoring information, provides the guarantee for driving safety.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Fig. 3 is a schematic structural diagram of the battery module according to the present invention.

Fig. 4 is a schematic structural view of the waterproof vent valve of the present invention.

The reference signs are: 1. a battery box; 2. a handle; 3. an engagement flange; 4. a box cover; 5. an electrode point; 6. a waterproof vent valve; 7. a heat sink; 8. a seal ring; 9. a battery module; 10. a partition plate; 11. a pressure sensor; 12. a temperature probe; 61. a ventilation cavity; 62. air holes are formed; 63. a gas-permeable duct; 64. a breathable membrane; 65. a spring plate; 66. a valve plate; 67. a seal ring; 91. 18650 batteries; 92. and a heat dissipation flow channel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

As shown in the attached figures 1-4, the explosion-proof new energy battery box comprises a battery box 1 and a box cover 4, wherein the top surface of the battery box 1 is provided with a joint flange 3 matched with the box cover 4, two sides of the battery box 1 are movably provided with handles 2, the top surface of the joint flange 3 is fixedly sleeved with a sealing ring 8, the inside of the box cover 4 is provided with a battery control panel, the top surface of the box cover 4 is fixedly provided with an electrode point 5 and a waterproof vent valve 6, the end part of the electrode point 5 is electrically connected with the output end of the battery control panel, an internal clamping structure battery module 9, a clapboard 10 and a battery module 9 of the battery box 1, the surface of the partition board 10 is embedded with a pressure sensor 11 and a temperature probe 12 respectively, the output ends of the pressure sensor 11 and the temperature probe 12 are electrically connected with the input end of the battery control board, a plurality of 18650 batteries 91 are fixedly installed inside the battery module 9, and a heat dissipation flow channel 92 is arranged on the peripheral side of the battery module 9.

The implementation mode is specifically as follows: through setting up the integral 18650 battery module 9, utilize the heat dissipation runner 92 on the surface of battery module 9 to carry on the heat dissipation of charging and discharging to the internal battery pack, prevent the explosion of the battery that the heat accumulation leads to, and the internal circuit board of case lid 4 sets up by the independent waterproof system, carry on the waterproof protection and guarantee the heat-dissipating channel of the circuit board to the circuit board through the waterproof breather valve 6, realize the waterproof protection to whole battery and circuit, improve the security of the battery box; additionally, the utility model discloses a set up pressure monitoring mechanism and through inside temperature monitoring mechanism at the edge of battery module 9, the state of health of real-time supervision battery when the battery state goes wrong, can pass through the pressure sensor 11 at battery module 9 edge behind the battery inflation and remind the car owner in time to overhaul on the vehicle-mounted display through signal of telecommunication with monitoring information, provides the guarantee for driving safety.

The battery box 1 is a PE polymer component, the edges of the joint flange 3 and the box cover 4 are provided with threaded holes, the joint flange 3 and the box cover 4 are fixedly connected through a screw, the top surface of the joint flange 3 and the bottom surface of the box cover 4 are fixedly connected through a screw, and the sealing ring 8 is positioned at the joint of the joint flange 3 and the box cover 4, so that the battery box 1 is sealed.

Wherein, battery module 9's top surface and bottom surface fixed mounting have the cardboard respectively, 18650 battery 91's both ends run through the surface of cardboard, and 18650 battery 91 is equipped with the sealing washer with the junction of cardboard, and the cavity between heat dissipation runner 92 and the cardboard is linked together, realizes the water repellent to 18650 battery 91 both ends electrode.

The ends of the 18650 batteries 91 are connected in parallel or in series, the output end of the 18650 batteries 91 is electrically connected with the input end of the battery control board, and the 18650 batteries are higher in safety when the polarity distance is longer than that of other batteries.

Wherein, pressure sensor 11 imbeds the lateral wall of battery module 9 inner chamber, and one side of pressure sensor 11 and 18650 battery 91's edge mutually supports, and the surface of temperature probe 12 and 18650 battery 91's frictional connection realize the health status real-time supervision to the group battery.

Wherein, ventilative cavity 61 has been seted up to waterproof breather valve 6's inside, air pipe 63, bleeder vent 62 has been seted up and is linked together with ventilative cavity 61 to waterproof breather valve 6's week side, the bottom surface movable mounting of ventilative cavity 61 inner chamber has sealing washer 67, the top friction of sealing washer 67 is connected with valve block 66, the top surface fixed mounting of valve block 66 has ventilative diaphragm 64, the inner wall fixed mounting of ventilative cavity 61 has shell fragment 65, the bottom surface of shell fragment 65 and the top surface friction of valve block 66 are connected, realize the waterproof ventilative of case lid 4.

Wherein, breathable film 64 is waterproof ventilated membrane, and shell fragment 65 is annular metal shell fragment, is favorable to the circulation of air current, realizes the heat dissipation to the battery control panel.

The utility model discloses the theory of operation:

at first put into battery box 1 and set up baffle 10 between battery module 9 with the battery module 9 after the assembly is accomplished, the circuit has been connected, installation case lid 4 is sealed, put into the car with this battery box connecting circuit can, utilize the heat dissipation runner 92 on battery module 9 surface to carry out the heat dissipation of charge-discharge to inside group battery, prevent that the heat accumulation from leading to the explosion of battery, and the inside circuit board setting of case lid 4 is by independent waterproof system, carry out water proof protection and guarantee the heat dissipation channel of circuit board through waterproof breather valve 6 to the circuit board, when the battery state goes wrong, can pass through pressure sensor 11 at battery module 9 edge after the battery inflation and pass through the signal of telecommunication with monitoring information and transmit to on-vehicle display and remind the car owner in time to overhaul, provide the guarantee for driving safety.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an explosion-proof new forms of energy battery box, includes battery box (1), case lid (4), the top surface of battery box (1) is provided with joint flange (3) that agree with mutually with case lid (4), its characterized in that: handles (2) are movably arranged at two sides of the battery box (1), a sealing ring (8) is fixedly sleeved on the top surface of the joint flange (3), a battery control panel is arranged inside the case cover (4), an electrode point (5) and a waterproof vent valve (6) are fixedly arranged on the top surface of the case cover (4), the end part of the electrode point (5) is electrically connected with the output end of the battery control board, the battery module (9) and the clapboard (10) are clamped in the battery box (1), the surfaces of the battery module (9) and the clapboard (10) are respectively embedded with a pressure sensor (11) and a temperature probe (12), the output ends of the pressure sensor (11) and the temperature probe (12) are electrically connected with the input end of the battery control board, a plurality of 18650 batteries (91) are fixedly mounted inside the battery module (9), and heat dissipation flow channels (92) are formed in the peripheral side of the battery module (9).

2. The explosion-proof new energy battery box of claim 1, characterized in that: the battery box (1) is a PE polymer component, threaded holes are formed in the edges of the joint flange (3) and the box cover (4), the joint flange (3) and the box cover (4) are fixedly connected through screws, the top surface of the joint flange (3) and the bottom surface of the box cover (4) are fixedly connected, and the sealing ring (8) is located at the joint of the joint flange (3) and the box cover (4).

3. The explosion-proof new energy battery box of claim 1, characterized in that: the top surface and the bottom surface of battery module (9) are fixed mounting respectively have the cardboard, 18650 battery (91) both ends run through the surface of cardboard, 18650 battery (91) are equipped with the sealing washer with the junction of cardboard, the cavity between heat dissipation runner (92) and the cardboard is linked together.

4. The explosion-proof new energy battery box of claim 1, characterized in that: the ends of the 18650 batteries (91) are connected in parallel or in series, and the output end of the 18650 batteries (91) is electrically connected with the input end of the battery control board.

5. The explosion-proof new energy battery box of claim 1, characterized in that: the pressure sensor (11) is embedded into the side wall of the inner cavity of the battery module (9), one side of the pressure sensor (11) is abutted against the edge of the 18650 battery (91), and the surface of the temperature probe (12) is in friction connection with the 18650 battery (91).

6. The explosion-proof new energy battery box of claim 1, characterized in that: ventilative cavity (61), ventilative pipeline (63) have been seted up to the inside of waterproof breather valve (6), bleeder vent (62) have been seted up and are linked together with ventilative cavity (61) to the week side of waterproof breather valve (6), the bottom surface movable mounting of ventilative cavity (61) inner chamber has sealing washer (67), the top friction connection of sealing washer (67) has valve block (66), the top surface fixed mounting of valve block (66) has ventilative diaphragm (64), the inner wall fixed mounting of ventilative cavity (61) has shell fragment (65), the bottom surface of shell fragment (65) and the top surface friction connection of valve block (66).

7. The explosion-proof new energy battery box of claim 6, characterized in that: the breathable membrane (64) is a waterproof breathable membrane, and the elastic sheet (65) is an annular metal elastic sheet.