Intelligent fuse, distribution box, battery pack and electric equipment

Abstract

The embodiment of the utility model provides an intelligent fuse, a distribution box, a battery pack and electric equipment, and relates to the technical field of automobile parts. The intelligent fuse comprises a shell, the shell is provided with an interface, the interface is provided with an outer side wall and an inner side wall, and a connector is inserted into the interface; the cover plate is arranged on the shell, a through hole is formed in the cover plate, and the interface is arranged in the through hole in a penetrating manner; the first sealing element is arranged between the through hole and the outer side wall of the interface so as to seal a gap between the cover plate and the interface; and the second sealing piece is arranged between the inner side wall of the interface and the joint so as to seal a gap between the interface and the joint. The intelligent fuse, the distribution box, the battery pack and the electric equipment can prevent dust and water vapor from affecting electronic components in the intelligent fuse.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile accessories, and in particular to an intelligent fuse, a distribution box, a battery pack and an electrical equipment. BACKGROUND

[0002] The intelligent fuse of an automobile is a circuit protection device based on semiconductor technology, which is used to replace traditional mechanical fuses and relays.

[0003] The intelligent fuse of the related art includes a shell and a cover plate, the cover plate is arranged on the shell, and electronic components such as a low-voltage device and an initiating device are arranged in the shell; when abnormal conditions such as overcurrent, short circuit or excessive temperature occur in the circuit, the initiating device will quickly cut off the power supply, and send fault information to the vehicle control system through the intelligent fuse; after the fault is eliminated, the intelligent fuse can automatically restore the power supply to ensure the continuous operation of the vehicle control system.

[0004] However, during long-term use, some water vapor may enter the shell through the gap between the shell and the cover plate, thereby corroding or short-circuiting the electronic components in the shell. CONTENT OF THE INVENTION

[0005] The embodiments of the present application provide an intelligent fuse, a distribution box, a battery pack and an electrical equipment to solve the technical problem that water vapor enters the shell through the gap between the shell and the cover plate, thereby affecting the electronic components in the shell.

[0006] In a first aspect, the embodiments of the present application provide an intelligent fuse, comprising:

[0007] a shell, an interface is arranged on the shell, the interface has an outer side wall and an inner side, and a connector is inserted in the interface;

[0008] a cover plate, the cover plate is arranged on the shell, a through hole is arranged on the cover plate, and the interface is arranged in the through hole;

[0009] a first sealing member, the first sealing member is arranged between the through hole and the outer side wall of the interface to seal the gap between the cover plate and the interface;

[0010] a second sealing member, the second sealing member is arranged between the inner side wall of the interface and the connector to seal the gap between the interface and the connector.

[0011] In some embodiments, at least one of the inner wall of the through hole and the outer side wall of the interface is provided with a first fixing groove, the first fixing groove is arranged along the circumference of at least one of the through hole and the interface, at least part of the first sealing member is arranged in the first fixing groove, and the first sealing member is arranged along the circumference of the first fixing groove.

[0012] In some embodiments, at least one of the inner wall of the interface and the outer wall of the joint is provided with a second fixing groove arranged along the circumference of the at least one of the interface and the outer wall of the joint, at least part of the second seal is arranged in the second fixing groove, and the second seal is arranged along the circumference of the second fixing groove.

[0013] In some embodiments, a bottom plate is further included, the bottom plate is arranged on the shell, and a third seal is arranged between the bottom plate and the shell to seal a gap between the shell and the bottom plate.

[0014] In some embodiments, a third fixing groove is arranged on at least one of the opposite faces of the bottom plate and the shell, the third fixing groove is arranged along the circumference of the at least one of the bottom plate and the shell, at least part of the third seal is arranged in the third fixing groove, and the third seal is arranged along the circumference of the third fixing groove.

[0015] In some embodiments, the shell includes a first mounting shell and a second mounting shell, the first mounting shell is arranged on the second mounting shell, the interface is arranged on the first mounting shell, the first mounting shell is used to mount a low-voltage device and an initiating device, and the second mounting shell is used to mount a voltage-dividing arc-extinguishing device.

[0016] In some embodiments, a fourth seal is further included, the fourth seal is arranged between the first mounting shell and the second mounting shell to seal a gap between the first mounting shell and the second mounting shell.

[0017] In some embodiments, a convex edge is arranged on the first mounting shell, the convex edge is inserted into the second mounting shell, and the fourth seal is arranged between the convex edge and the second mounting shell.

[0018] In some embodiments, a fourth fixing groove is arranged on at least one of the opposite faces of the convex edge and the second mounting shell, the fourth fixing groove is arranged along the circumference of the at least one of the convex edge and the second mounting shell, at least part of the fourth seal is arranged in the fourth fixing groove, and the fourth seal is arranged along the circumference of the fourth fixing groove.

[0019] In some embodiments, a fifth seal is further included, the fifth seal is arranged between the inner wall of the first mounting shell and the low-voltage device to seal a gap between the inner wall of the first mounting shell and the low-voltage device.

[0020] In some embodiments, at least one of the inner wall of the first mounting shell and the low-voltage device is provided with a fifth fixed groove arranged along the circumference of the at least one of the first mounting shell and the low-voltage device, at least part of the fifth sealing member is arranged in the fifth fixed groove, and the fifth sealing member is arranged along the circumference of the fifth fixed groove.

[0021] In some embodiments, a sixth sealing member is further included and arranged between the inner wall of the first mounting shell and the detonating device to seal the gap between the inner wall of the first mounting shell and the detonating device.

[0022] In some embodiments, at least one of the inner wall of the first mounting shell and the detonating device is provided with a sixth fixed groove arranged along the circumference of the at least one of the first mounting shell and the detonating device, at least part of the sixth sealing member is arranged in the sixth fixed groove, and the sixth sealing member is arranged along the circumference of the sixth fixed groove.

[0023] In a second aspect, the embodiments of the present application provide a distribution box, which comprises a box body and the intelligent fuse arranged in the box body.

[0024] In some embodiments, the box body comprises a bottom shell and a top cover, the inside of the bottom shell is used for mounting the intelligent fuse, the inside of the bottom shell is filled with a liquid working medium for submerging the intelligent fuse, and the top cover is connected with the bottom shell.

[0025] In a third aspect, the embodiments of the present application provide a battery pack, which comprises a frame body and the distribution box arranged on the frame body.

[0026] In a fourth aspect, the embodiments of the present application provide an electric equipment, which comprises an equipment body and the battery pack arranged on the equipment body.

[0027] The embodiments of the present application provide an intelligent fuse, a distribution box, a battery pack and an electric equipment. The intelligent fuse provided by the present application can seal the gap between the through hole and the interface by arranging the first sealing member, thereby preventing dust or water vapor from entering the shell through the gap between the through hole and the interface, preventing the electronic components in the shell from being corroded or short-circuited by the dust or water vapor, and indirectly prolonging the service life of the intelligent fuse. The intelligent fuse is electrically connected with the vehicle control system by arranging the joint and the interface, so that the intelligent fuse controls the vehicle control system. The second sealing member is arranged to seal the gap between the joint and the interface when the joint and the interface are connected, thereby preventing dust and water vapor from entering the joint and the interface through the gap between the joint and the interface, preventing the dust and water vapor from affecting the electrical connection between the joint and the interface, and indirectly prolonging the service life of the joint and the interface. BRIEF DESCRIPTION OF DRAWINGS

[0028] The accompanying drawings, which are incorporated herein and constitute part of this specification, illustrate embodiments consistent with the application and serve to explain the principles of the application.

[0029] Figure 1 The schematic diagram of the explosion structure of the intelligent insurance provided in the present application;

[0030] Figure 2 The schematic diagram of the structure of the interface, joint and cover plate in Figure 1

[0031] The schematic diagram of the cross-sectional structure of the intelligent insurance provided in the present application; Figure 3

[0032] The enlarged view of A part in Figure 4 Figure 3 The enlarged view of B part in

[0033] Figure 5 Figure 3 The schematic diagram of the structure of the intelligent insurance provided in the present application;

[0034] Figure 6 The schematic diagram of the structure of the intelligent insurance provided in the present application.

[0035] BRIEF DESCRIPTION OF DRAWINGS

[0036] 100, shell; 110, interface; 120, joint; 130, first mounting shell; 131, convex edge; 132, low-voltage device; 133, detonating device; 140, second mounting shell; 141, voltage-dividing arc-extinguishing device; 150, copper bar;

[0037] 200, cover plate; 210, through hole;

[0038] 300, first sealing member; 310, first fixing groove;

[0039] 400, second sealing member; 410, second fixing groove;

[0040] 500, bottom plate;

[0041] 510, third sealing member; 520, third fixing groove;

[0042] 600, fourth sealing member; 610, fourth fixing groove;

[0043] 700, fifth sealing member; 710, fifth fixing groove;

[0044] 800, sixth sealing member; 810, sixth fixing groove;

[0045] ​​900, box; 910, bottom shell; 920, top cover; 930, mounting plate.

[0046] The specific embodiments of the application have been shown and described in the above drawings and the following description. These drawings and description are not meant to limit the scope of the application in any way, but merely to explain the application in detail for the skilled in the art. DETAILED DESCRIPTION

[0047] The exemplary embodiments will be described in detail herein with reference to the attached drawings. The same numbers are used in different drawings to represent the same or similar elements. The embodiments described in the following exemplary embodiments are not meant to represent all embodiments consistent with the application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the application as detailed in the appended claims.

[0048] The intelligent fuse of the related art includes a housing and a cover plate, the cover plate is arranged on the housing, and electronic components such as a low-voltage device and an initiating device are arranged in the housing; when an abnormal condition such as overcurrent, short circuit or temperature overload occurs in the circuit, the initiating device will quickly cut off the power supply, and send fault information to the vehicle control system through the intelligent fuse; after the fault is eliminated, the intelligent fuse can automatically restore the power supply, and ensure the continuous operation of the vehicle control system.

[0049] However, when the intelligent fuse is used for a long time, for example, when the car is driven in a high-humidity environment, or when the car is driven in an environment with large temperature changes, some water vapor may enter the housing through the gap between the housing and the cover plate, thereby causing the electronic components in the housing to corrode or short circuit.

[0050] The technical solutions of the application and how the technical solutions of the application solve the above technical problems will be described in detail below with specific embodiments. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments. The embodiments of the application will be described below with reference to the drawings.

[0051] In combination with Figures 1 to 5 The embodiment of the application provides an intelligent fuse, which comprises:

[0052] A housing 100, the housing 100 is provided with an interface 110, the interface 110 has an outer side wall and an inner side wall, and a connector 120 is inserted in the interface 110;

[0053] A cover plate 200, the cover plate 200 is arranged on the housing 100, the cover plate 200 is provided with a through hole 210, and the interface 110 is arranged in the through hole 210;

[0054] A first sealing member 300 is arranged between the through hole 210 and the outer sidewall of the interface 110 to seal the gap between the cover plate 200 and the interface 110.

[0055] A second sealing member 400 is arranged between the inner wall side of the interface 110 and the connector 120 to seal the gap between the interface 110 and the connector 120.

[0056] In the embodiment, the shell 100 is arranged in a rectangular cross-section, and the cover plate 200 is arranged in cooperation with the rectangular shell 100; the first sealing member 300 and the second sealing member 400 are both rubber sealing rings; in other embodiments, the shapes of the shell 100 and the cover plate 200 can be adjusted as needed, for example, the shell 100 is adjusted to be circular, and the first sealing member 300 and the second sealing member 400 can be replaced by aluminum alloy or ceramic rings.

[0057] In the present application, by adopting the arrangement of the first sealing member 300, the first sealing member 300 can seal the gap between the through hole 210 and the interface 110, thereby preventing dust or water vapor from entering the shell 100 along the gap between the through hole 210 and the interface 110, thereby preventing dust or water vapor from causing corrosion or short circuit of electronic components in the shell 100, indirectly prolonging the service life of the intelligent insurance; by adopting the arrangement of the connector 120 and the interface 110, the intelligent insurance is facilitated to be electrically connected with the vehicle control system, thereby enabling the intelligent insurance to control the vehicle control system, by adopting the arrangement of the second sealing member 400, the second sealing member 400 can seal the gap between the connector 120 and the interface 110 when the connector 120 and the interface 110 are connected, thereby preventing dust and water vapor from entering the connector 120 and the interface 110 along the gap between the connector 120 and the interface 110, thereby preventing dust and water vapor from affecting the electrical connection between the connector 120 and the interface 110, indirectly prolonging the service life of the connector 120 and the interface 110.

[0058] At least one of the inner wall of the through hole 210 and the outer sidewall of the interface 110 is provided with a first fixing groove 310, the first fixing groove 310 is arranged along the circumference of at least one of the through hole 210 and the interface 110, at least part of the first sealing member 300 is arranged in the first fixing groove 310, and the first sealing member 300 is arranged along the circumference of the first fixing groove 310.

[0059] In the embodiment, the first fixing grooves 310 are arranged on the inner wall of the through hole 210 and the outer wall of the interface 110, the first fixing grooves 310 on the inner wall of the through hole 210 and the first fixing grooves 310 on the outer wall of the interface 110 are oppositely arranged, the cross section of the first fixing groove 310 is in the shape of "U", the first sealing member 300 is arranged in cooperation with the first fixing groove 310 in the shape of "U", and the two first fixing grooves 310 are used for accommodating part of the first sealing member 300.

[0060] In other embodiments, the first fixing grooves 310 can be arranged on the inner wall of the through hole 210 or the outer wall of the interface 110 alone, the first sealing member 300 is arranged in the first fixing groove 310 on the inner wall of the through hole 210, so that the first sealing member 300 can abut against the outer wall of the interface 110, thereby achieving sealing. The cross section of the first fixing groove 310 can be replaced by a dovetail shape, and the first sealing member 300 is arranged in cooperation with the first fixing groove 310 in the dovetail shape. The first fixing groove 310 in the dovetail shape can prevent the first sealing member 300 from being separated from the first fixing groove 310, thereby improving the fixing strength of the first sealing member 300 in the first fixing groove 310. When the inner wall of the through hole 210 and the outer wall of the interface abut against each other, the two first fixing grooves 310 are used for accommodating the entire first sealing member 300.

[0061] By arranging the first fixing groove 310, the position of the first sealing member 300 between the through hole 210 and the interface 110 can be limited, thereby preventing the position of the first sealing member 300 from deviating between the through hole 210 and the interface 110, indirectly improving the sealing effect of the first sealing member 300 on the gap between the through hole 210 and the interface 110. When the through hole 210 and the interface 110 press the first sealing member 300, the first sealing member 300 can abut against the three side walls of the first fixing groove 310 at the same time, thereby increasing the contact area of the first sealing member 300 and the first fixing groove 310, further improving the sealing effect of the first sealing member 300 on the through hole 210 and the interface 110, preventing impurities and water vapor from entering the shell 100 through the gap between the through hole 210 and the interface 110, thereby indirectly prolonging the service life of the smart insurance.

[0062] The second fixing groove 410 is arranged on at least one of the inner wall of the interface 110 and the outer wall of the connector 120, the second fixing groove 410 is arranged along the circumference of at least one of the interface 110 and the connector 120, at least part of the second sealing member 400 is arranged in the second fixing groove 410, and the second sealing member 400 is arranged along the circumference of the second fixing groove 410.

[0063] In the embodiment, the second fixing groove 410 is arranged on the inner wall of the interface 110 and the outer wall of the connector 120, the second fixing groove 410 on the inner wall of the interface 110 and the second fixing groove 410 on the outer wall of the connector 120 are oppositely arranged, the section of the second fixing groove 410 is in the shape of “U”, the second sealing element 400 is arranged in cooperation with the second fixing groove 410 in the shape of “U”, and the two second fixing grooves 310 are used for accommodating part of the second sealing element 400.

[0064] In other embodiments, the second fixing groove 410 can be arranged on the inner wall of the interface 110 or the outer wall of the connector 120 alone, the second sealing element 400 is arranged in the second fixing groove 410 on the inner wall of the interface 110, so that the second sealing element 400 can abut against the outer wall of the connector 120, thereby achieving sealing. The section of the second fixing groove 410 can be replaced by a dovetail shape, and the second sealing element 400 is arranged in cooperation with the second fixing groove 410 in the dovetail shape. The second sealing element 400 is prevented from being separated from the second fixing groove 410 by using the second fixing groove 410 in the dovetail shape, thereby improving the fixing strength of the second sealing element 400 in the second fixing groove 410.

[0065] By arranging the second fixing groove 410, the position of the second sealing element 400 between the interface 110 and the connector 120 can be limited, thereby preventing the position of the second sealing element 400 from deviating between the interface 110 and the connector 120, indirectly improving the sealing effect of the second sealing element 400 on the gap between the interface 110 and the connector 120. When the interface 110 and the connector 120 press the second sealing element 400, the second sealing element 400 can abut against the three side walls of the second fixing groove 410 at the same time, thereby increasing the contact area of the second sealing element 400 and the second fixing groove 410, further improving the sealing effect of the second sealing element 400 on the interface 110 and the connector 120, preventing impurities and water vapor from entering the interface 110 and the connector 120 along the gap between the interface 110 and the connector 120, thereby indirectly prolonging the service life of the interface 110 and the connector 120.

[0066] The smart insurance further includes a bottom plate 500 and a third sealing element 510. The bottom plate 500 is arranged on the shell 100, and the third sealing element 510 is arranged between the bottom plate 500 and the shell 100 to seal the gap between the shell 100 and the bottom plate 500.

[0067] In the embodiment, the bottom plate 500 and the cover plate 200 are arranged on opposite sides of the shell 100, and the bottom plate 500 is arranged in cooperation with the rectangular shell 100. The third sealing element 510 is a rubber sealing ring. In other embodiments, the shape of the bottom plate 500 can be adjusted adaptively according to the shape of the shell 100.

[0068] The third sealing member 510 is arranged to seal the gap between the bottom plate 500 and the cover plate 200, thereby preventing dust or water vapor from entering the shell 100 through the gap between the bottom plate 500 and the cover plate 200, preventing the dust or water vapor from causing the electronic components in the shell 100 to corrode or short circuit, and indirectly prolonging the service life of the smart insurance.

[0069] The third fixing groove 520 is arranged on at least one of the opposite faces of the bottom plate 500 and the shell 100, and the third fixing groove 520 is arranged along the circumference of at least one of the bottom plate 500 and the shell 100. At least part of the third sealing member 510 is arranged in the third fixing groove 520, and the third sealing member 510 is arranged along the circumference of the third fixing groove 520.

[0070] In this embodiment, the third fixing groove 520 is arranged on both the bottom plate 500 and the shell 100, and the third fixing groove 520 on the bottom plate 500 and the third fixing groove 520 on the shell 100 are arranged opposite to each other. The cross section of the third fixing groove 520 is in the shape of “U”, and the third sealing member 510 is arranged in cooperation with the third fixing groove 520 in the shape of “U”. Both sides of the third fixing groove 520 are used to accommodate part of the third sealing member 510.

[0071] In other embodiments, the third fixing groove 520 can be arranged on the bottom plate 500 or the shell 100 alone. By arranging the third sealing member 510 in the third fixing groove 520 on the bottom plate 500, the third sealing member 510 can abut against the shell 100, thereby also achieving sealing. The cross section of the third fixing groove 520 can be replaced with a dovetail shape, and the third sealing member 510 is arranged in cooperation with the third fixing groove 520 in the dovetail shape. The third fixing groove 520 in the dovetail shape can prevent the third sealing member 510 from being separated from the third fixing groove 520, thereby improving the fixing strength of the third sealing member 510 in the third fixing groove 520.

[0072] The third fixed groove 520 is arranged, so that the position of the third sealing element 510 between the bottom plate 500 and the shell 100 is limited, thereby preventing the third sealing element 510 from being deviated in position between the bottom plate 500 and the shell 100, indirectly improving the sealing effect of the third sealing element 510 on the gap between the bottom plate 500 and the shell 100, and when the bottom plate 500 and the shell 100 press the third sealing element 510, the third sealing element 510 can abut against the three side walls of the third fixed groove 520 at the same time, thereby increasing the contact area of the third sealing element 510 and the third fixed groove 520, and further improving the sealing effect of the third sealing element 510 on the bottom plate 500 and the shell 100, preventing impurities and water vapor from entering the interface 110 and the joint 120 along the gap between the bottom plate 500 and the shell 100, thereby indirectly prolonging the service life of the intelligent fuse.

[0073] The shell 100 comprises a first mounting shell 130 and a second mounting shell 140, the first mounting shell 130 is arranged on the second mounting shell 140, the interface 110 is arranged on the first mounting shell 130, the first mounting shell 130 is used for mounting a low-voltage device 132 and an initiating device 133, and the second mounting shell 140 is used for mounting a voltage division arc extinguishing device 141.

[0074] In the embodiment, the cover plate 200 is arranged on the first mounting shell 130, the bottom plate 500 is arranged on the second mounting shell 140, the cross-sectional shape of the first mounting shell 130 and the second mounting shell 140 is rectangular, the interface 110 is arranged on the low-voltage device 132, and the interface 110 extends out of the shell 100; the low-voltage device 132 is mainly used for protecting the low-voltage electrical system of the automobile, preventing faults caused by overloading, short circuit and under-voltage; the initiating device 133 is a safety device used for quickly cutting off the high-voltage circuit in an emergency to prevent battery short circuit or fire; the voltage division arc extinguishing device 141 is used for eliminating arc when the circuit is cut off, to ensure the safety and reliability of the cutting process; the low-voltage device 132, the initiating device 133 and the voltage division arc extinguishing device 141 are all prior art, and the specific structure thereof will not be described herein.

[0075] The intelligent fuse further comprises a fourth sealing element 600, which is arranged between the first mounting shell 130 and the second mounting shell 140 to seal the gap between the first mounting shell 130 and the second mounting shell 140.

[0076] The fourth sealing piece 600 is arranged to seal the gap between the first mounting shell 130 and the second mounting shell 140, thereby preventing dust or water vapor from entering the casing 100 through the gap between the first mounting shell 130 and the second mounting shell 140, preventing the dust or water vapor from corroding or short-circuiting the low-voltage device 132, the detonating device 133, and the partial pressure arc-extinguishing device 141 in the casing 100, and indirectly prolonging the service life of the intelligent fuse.

[0077] The first mounting shell 130 is provided with a flange 131 inserted into the second mounting shell 140, and the fourth sealing piece 600 is arranged between the flange 131 and the second mounting shell 140.

[0078] At least one of the opposite surfaces of the flange 131 and the second mounting shell 140 is provided with a fourth fixing groove 610 arranged along the circumference of at least one of the flange 131 and the second mounting shell 140, and at least part of the fourth sealing piece 600 is arranged in the fourth fixing groove 610, and the fourth sealing piece 600 is arranged along the circumference of the fourth fixing groove 610.

[0079] In this embodiment, the flange 131 is arranged along the circumference of the first mounting shell 130, and the first mounting shell 130 and the second mounting shell 140 can be fixed by bolt connection or clamping; the fourth fixing groove 610 is arranged on the flange 131 and the second mounting shell 140, the fourth fixing groove 610 on the flange 131 and the fourth fixing groove 610 on the second mounting shell 140 are oppositely arranged, the cross section of the fourth fixing groove 610 is "U" shaped, the fourth sealing piece 600 is arranged in cooperation with the "U" shaped fourth fixing groove 610, and both sides of the fourth fixing groove 610 are used to accommodate part of the fourth sealing piece 600.

[0080] In other embodiments, the fourth fixing groove 610 can be arranged on the flange 131 or the second mounting shell 140 alone, and the fourth sealing piece 600 is arranged in the fourth fixing groove 610 of the flange 131, so that the fourth sealing piece 600 can abut against the second mounting shell 140, thereby also achieving sealing, and the cross-sectional shape of the fourth fixing groove 610 can be replaced with a dovetail shape, and the fourth sealing piece 600 is arranged in cooperation with the dovetail-shaped fourth fixing groove 610, and the dovetail-shaped fourth fixing groove 610 can prevent the fourth sealing piece 600 from being separated from the fourth fixing groove 610, thereby improving the fixing strength of the fourth sealing piece 600 in the fourth fixing groove 610.

[0081] The fourth fixed groove 610 is arranged, so that the position of the fourth sealing element 600 between the convex edge 131 and the second mounting shell 140 is limited, thereby preventing the position of the fourth sealing element 600 from deviating between the convex edge 131 and the second mounting shell 140, indirectly improving the sealing effect of the fourth sealing element 600 on the gap between the convex edge 131 and the second mounting shell 140. When the convex edge 131 and the second mounting shell 140 extrude the fourth sealing element 600, the fourth sealing element 600 can abut the three side walls of the fourth fixed groove 610 at the same time, thereby increasing the contact area of the fourth sealing element 600 and the fourth fixed groove 610, further improving the sealing effect of the fourth sealing element 600 on the convex edge 131 and the second mounting shell 140, preventing impurities and water vapor from entering the interface 110 and the connector 120 along the gap between the convex edge 131 and the second mounting shell 140, and indirectly prolonging the service life of the intelligent fuse.

[0082] The intelligent fuse further comprises a fifth sealing element 700, which is arranged between the inner wall of the first mounting shell 130 and the low-voltage device 132 to seal the gap between the inner wall of the first mounting shell 130 and the low-voltage device 132.

[0083] The fifth sealing element 700 is arranged, which can seal the gap between the first mounting shell 130 and the low-voltage device 132, thereby preventing dust or water vapor from entering the shell 100 along the gap between the first mounting shell 130 and the low-voltage device 132, preventing dust or water vapor from causing the low-voltage device 132, the detonating device 133 and the pressure-dividing arc-extinguishing device 141 in the shell 100 to corrode or short circuit, and indirectly prolonging the service life of the intelligent fuse.

[0084] The inner wall of the first mounting shell 130 and at least one of the low-voltage device 132 are provided with a fifth fixed groove 710, the fifth fixed groove 710 is arranged along the circumference of at least one of the first mounting shell 130 and the low-voltage device 132, at least part of the fifth sealing element 700 is arranged in the fifth fixed groove 710, and the fifth sealing element 700 is arranged along the circumference of the fifth fixed groove 710.

[0085] In this embodiment, the fifth fixed groove 710 is arranged on the low-voltage device 132, the cross section of the fifth fixed groove 710 is "U" shaped, the fifth sealing element 700 is arranged in cooperation with the "U" shaped fifth fixed groove 710, and the fifth fixed groove 710 is used to accommodate part of the fifth sealing element 700.

[0086] In other embodiments, the fifth fixing groove 710 can also be arranged on the first mounting shell 130 alone, and the fifth sealing piece 700 is arranged in the fifth fixing groove 710 of the first mounting shell 130, so that the fifth sealing piece 700 can abut against the low-pressure device 132, thereby achieving sealing. The cross-sectional shape of the fifth fixing groove 710 can be replaced with a dovetail shape, and the fifth sealing piece 700 is arranged in the dovetail-shaped fifth fixing groove 710. The fifth fixing groove 710 in the dovetail shape can prevent the fifth sealing piece 700 from being separated from the fifth fixing groove 710, thereby improving the fixing strength of the fifth sealing piece 700 in the fifth fixing groove 710. Alternatively, the fifth fixing groove 710 can be arranged on the first mounting shell 130 and the low-pressure device 132.

[0087] By arranging the fifth fixing groove 710, the position of the fifth sealing piece 700 between the first mounting shell 130 and the low-pressure device 132 can be limited, thereby preventing the position of the fifth sealing piece 700 from deviating between the first mounting shell 130 and the low-pressure device 132, indirectly improving the sealing effect of the fifth sealing piece 700 on the gap between the first mounting shell 130 and the low-pressure device 132. When the first mounting shell 130 and the low-pressure device 132 press the fifth sealing piece 700, the fifth sealing piece 700 can abut against the three side walls of the fifth fixing groove 710 at the same time, thereby increasing the contact area between the fifth sealing piece 700 and the fifth fixing groove 710, further improving the sealing effect of the fifth sealing piece 700 on the first mounting shell 130 and the low-pressure device 132, preventing impurities and water vapor from entering the interface 110 and the joint 120 through the gap between the first mounting shell 130 and the low-pressure device 132, and indirectly prolonging the service life of the intelligent fuse.

[0088] The intelligent fuse further comprises a sixth sealing piece 800 arranged between the inner wall of the first mounting shell 130 and the detonating device 133 to seal the gap between the inner wall of the first mounting shell 130 and the detonating device 133.

[0089] By arranging the sixth sealing piece 800, the sixth sealing piece 800 can seal the gap between the first mounting shell 130 and the detonating device 133, thereby preventing dust or water vapor from entering the housing 100 through the gap between the first mounting shell 130 and the detonating device 133, preventing dust or water vapor from causing the low-pressure device 132, the detonating device 133, and the pressure-dividing arc-extinguishing device 141 in the housing 100 to corrode or short circuit, and indirectly prolonging the service life of the intelligent fuse.

[0090] The sixth fixing groove 810 is arranged on at least one of the inner wall of the first mounting shell 130 and the initiating device 133, is arranged along the circumference of at least one of the first mounting shell 130 and the initiating device 133, and at least part of the sixth sealing element 800 is arranged in the sixth fixing groove 810, and the sixth sealing element 800 is arranged along the circumference of the sixth fixing groove 810.

[0091] In the embodiment, the sixth fixing groove 810 is arranged on the initiating device 133, the cross section of the sixth fixing groove 810 is in a "U" shape, the sixth sealing element 800 is arranged in cooperation with the "U"-shaped sixth fixing groove 810, and the sixth fixing groove 810 is used for accommodating part of the sixth sealing element 800.

[0092] In other embodiments, the sixth fixing groove 810 can be arranged on the first mounting shell 130 alone, the sixth sealing element 800 is arranged in the sixth fixing groove 810 of the first mounting shell 130, so that the sixth sealing element 800 can abut against the initiating device 133, thereby achieving sealing, the cross section of the sixth fixing groove 810 can be replaced with a dovetail shape, and the sixth sealing element 800 is arranged in cooperation with the dovetail-shaped sixth fixing groove 810, the dovetail-shaped sixth fixing groove 810 can prevent the sixth sealing element 800 from being separated from the sixth fixing groove 810, and the fixing strength of the sixth sealing element 800 in the sixth fixing groove 810 is improved; or the sixth fixing groove 810 can be arranged on the first mounting shell 130 and the initiating device 133 simultaneously.

[0093] By arranging the sixth fixing groove 810, the position of the sixth sealing element 800 between the first mounting shell 130 and the initiating device 133 can be limited, so that the position of the sixth sealing element 800 between the first mounting shell 130 and the initiating device 133 is prevented from deviating, the sealing effect of the sixth sealing element 800 on the gap between the first mounting shell 130 and the initiating device 133 is indirectly improved, and when the first mounting shell 130 and the initiating device 133 press the sixth sealing element 800, the sixth sealing element 800 can abut against the three side walls of the sixth fixing groove 810 simultaneously, so that the contact area of the sixth sealing element 800 and the sixth fixing groove 810 is increased, the sealing effect of the sixth sealing element 800 on the first mounting shell 130 and the initiating device 133 is further improved, impurities and water vapor are prevented from entering the interface 110 and the joint 120 along the gap between the first mounting shell 130 and the initiating device 133, and the service life of the intelligent fuse is indirectly prolonged.

[0094] In combination Figures 1 to 6 , the embodiment of the present application also provides a distribution box, which comprises a box body 900 and the intelligent fuse of any one of the above-mentioned embodiments arranged in the box body 900.

[0095] The specific structure of the intelligent insurance has been described in detail in the above embodiments, and will not be repeated here.

[0096] The box body 900 comprises a bottom shell 910 and a top cover 920, the inside of the bottom shell 910 is used for installing the intelligent insurance, the inside of the bottom shell 910 is filled with a liquid working medium for immersing the intelligent insurance, and the top cover 920 is connected with the bottom shell 910.

[0097] In the embodiment, the bottom shell 910 and the top cover 920 can be fixed in a clamping or bolt connection manner, and a sealing ring can also be arranged between the bottom shell 910 and the top cover 920, for example, the sealing ring is clamped on the side wall of the top cover 920 along the circumference of the top cover 920, when the top cover 920 closes the bottom shell 910, the circumference of the top cover 920 can abut against the sealing ring on the circumference of the bottom shell 910, so that the sealing ring seals the gap between the top cover 920 and the bottom shell 910, preventing the liquid working medium in the bottom shell 910 from leaking.

[0098] In the embodiment, the liquid working medium used in the immersion liquid cooling technology generally needs to have the characteristics of high insulation, low viscosity, high thermal conductivity, non-volatility, non-toxicity, good chemical stability, and compatibility with the equipment; the liquid working medium used in the immersion liquid cooling technology includes hydrofluoroether, silicone oil, hydrocarbon, hydrofluoroalkene, and fluorinated liquid.

[0099] The application fills the liquid working medium in the bottom shell 910, so that the liquid working medium can immerse the intelligent insurance in the bottom shell 910, thereby preventing the temperature of the intelligent insurance from being too high during use, and indirectly prolonging the service life of the intelligent insurance; when the vehicle is driving, the liquid working medium in the bottom shell 910 can absorb the impact and vibration generated by the driving of the vehicle, thereby preventing the intelligent insurance from being damaged due to vibration or impact, and further prolonging the service life of the intelligent insurance; and the application can prevent the liquid working medium in the bottom shell 910 from leaking into the shell body 100 by arranging the first sealing member 300, the second sealing member 400, the third sealing member 510, the fourth sealing member 600, the fifth sealing member 700, and the sixth sealing member 800, thereby preventing the liquid working medium from affecting the low-pressure device 132, the detonating device 133, and the partial pressure arc extinguishing device 141 in the shell body 100.

[0100] In the embodiment, copper bars 150 are arranged on the opposite sides of the shell body 100, and mounting plates 930 are arranged in the bottom shell 910 and located on the two sides of the bottom shell 910, the copper bars 150 and the mounting plates 930 are fixed by bolt connection, so that the intelligent insurance can be fixed in the bottom shell 910 through the copper bars 150 and the mounting plates 930, thereby preventing the intelligent insurance from moving in the liquid working medium in the bottom shell 910, and improving the fixing strength of the intelligent insurance fixed in the bottom shell 910.

[0101] The battery pack is arranged on the frame body.

[0102] The battery pack is arranged on the frame body.

[0103] The battery pack is arranged on the frame body.

[0104] Finally, it should be noted that: after considering the specification and practicing the utility model disclosed herein, other embodiments of the utility model will be easily thought by those skilled in the art. The utility model aims at covering any variation, use or adaptability of the utility model, which follows the general principles of the utility model and includes the common knowledge or conventional technical means in the technical field of the utility model not disclosed by the utility model, is not limited to the precise structure described above and shown in the drawings, and can be variously modified and changed without departing from the scope thereof. The scope of the utility model is only limited by the appended claims.

Claims

1. An intelligent insurance, characterized in that, The utility model relates to a shell (100) is provided with interface (110) on the shell (100), interface (110) has outside wall and inside wall, the joint (120) is inserted in interface (110) inside, Cover plate (200) is set up on the shell (100), and the cover plate (200) is provided with through -hole (210), and the interface (110) is arranged in the through -hole (210), First sealing member (300) is set up between the through -hole (210) and the outside wall of interface (110), and the gap between the cover plate (200) and interface (110) is sealed, Second sealing member (400) is set up between the inside wall of interface (110) and the joint (120), and the gap between interface (110) and joint (120) is sealed. The inner wall of the through -hole (210) and at least one of the outside wall of the interface (110) are provided with first fixed slot (310), first fixed slot (310) is set up along the circumference of at least one of the through -hole (210) and the interface (110), and at least part of the first sealing member (300) is arranged in the first fixed slot (310), and the first sealing member (300) is arranged along the circumference of the first fixed slot (310).

2. The smart insurance of claim 1, wherein, The inside wall of the interface (110) and at least one of the outer wall of the joint (120) are provided with second fixed slot (410), second fixed slot (410) is set up along the circumference of at least one of the interface (110) and the joint (120), and at least part of the second sealing member (400) is arranged in the second fixed slot (410), and the second sealing member (400) is arranged along the circumference of the second fixed slot (410).

3. The smart insurance of claim 1, wherein, It further includes a bottom plate (500) and a third sealing member (510), the bottom plate (500) is arranged on the shell (100), and the third sealing member (510) is arranged between the bottom plate (500) and the shell (100) to seal the gap between the shell (100) and the bottom plate (500).

4. The smart insurance of claim 1, wherein, The third fixed slot (520) is arranged on at least one of the opposite faces of the bottom plate (500) and the shell (100), the third fixed slot (520) is set up along the circumference of at least one of the bottom plate (500) and the shell (100), and at least part of the third sealing member (510) is arranged in the third fixed slot (520), and the third sealing member (510) is arranged along the circumference of the third fixed slot (520).

5. The smart insurance of claim 4, wherein, ​ 6. The smart insurance of any one of claims 1-5, wherein, The shell (100) comprises a first mounting shell (130) and a second mounting shell (140), the first mounting shell (130) is arranged on the second mounting shell (140), the interface (110) is arranged on the first mounting shell (130), the first mounting shell (130) is used for mounting a low-voltage device (132) and an initiating device (133), and the second mounting shell (140) is used for mounting a voltage dividing arc extinguishing device (141).

7. The smart insurance of claim 6, wherein, A fourth sealing member (600) is further arranged between the first mounting shell (130) and the second mounting shell (140) to seal the gap between the first mounting shell (130) and the second mounting shell (140).

8. The smart insurance of claim 7, wherein, An edge (131) is arranged on the first mounting shell (130), the edge (131) is inserted into the second mounting shell (140), and the fourth sealing member (600) is arranged between the edge (131) and the second mounting shell (140).

9. The smart insurance of claim 8, wherein, At least one of the opposite surfaces of the edge (131) and the second mounting shell (140) is provided with a fourth fixing groove (610), the fourth fixing groove (610) is arranged along the circumference of at least one of the edge (131) and the second mounting shell (140), at least part of the fourth sealing member (600) is arranged in the fourth fixing groove (610), and the fourth sealing member (600) is arranged along the circumference of the fourth fixing groove (610).

10. The smart insurance of claim 6, wherein, A fifth sealing member (700) is further arranged between the inner wall of the first mounting shell (130) and the low-voltage device (132) to seal the gap between the inner wall of the first mounting shell (130) and the low-voltage device (132).

11. The smart insurance of claim 10, wherein, At least one of the inner wall of the first mounting shell (130) and the low-voltage device (132) is provided with a fifth fixing groove (710), the fifth fixing groove (710) is arranged along the circumference of at least one of the first mounting shell (130) and the low-voltage device (132), at least part of the fifth sealing member (700) is arranged in the fifth fixing groove (710), and the fifth sealing member (700) is arranged along the circumference of the fifth fixing groove (710).

12. The smart insurance of claim 6, wherein, A sixth sealing member (800) is further arranged between the inner wall of the first mounting shell (130) and the initiating device (133) to seal the gap between the inner wall of the first mounting shell (130) and the initiating device (133).

13. The smart insurance of claim 12, wherein, A sixth fixing groove (810) is arranged on at least one of the inner wall of the first installation shell (130) and the initiating device (133), and is arranged along the circumference of at least one of the first installation shell (130) and the initiating device (133). At least part of the sixth sealing member (800) is arranged in the sixth fixing groove (810), and the sixth sealing member (800) is arranged along the circumference of the sixth fixing groove (810).

14. A distribution box, characterized by The smart insurance includes a box body (900) and the smart insurance as claimed in any one of claims 1-13 arranged in the box body (900).

15. The electrical distribution box of claim 14, wherein, The box body (900) includes a bottom shell (910) and a top cover (920). The inside of the bottom shell (910) is used for installing the smart insurance. The bottom shell (910) is filled with a liquid working medium for submerging the smart insurance. The top cover (920) is connected with the bottom shell (910).

16. A battery pack, characterized by The power distribution box includes a frame body and the power distribution box as claimed in claim 14 or 15 arranged on the frame body.

17. An electrical device, characterized by The battery pack includes a device body and the battery pack as claimed in claim 16 arranged on the device body.

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