CN206471283U - A kind of battery bag relay more changing device - Google Patents

Abstract

The utility model provides a kind of battery bag relay more changing device, including base, relay and bonnet, the floor installation is in battery bag casing, the relay is pluggable to be arranged on the base and is electrically connected with the base, and the bonnet removably connects as one formula structure with the relay.Battery bag relay more changing device of the present utility model, pass through the cooperation of base, relay and bonnet, realize that relay is pluggable to be connected electrically on the base, it is to avoid relay breaks down caused safety problem, improves the convenience changed after relay damaged.

Description

A battery pack relay replacement device

【Technical field】

The utility model relates to the field of relays, in particular to a battery pack relay replacement device.

【Background technique】

As we all know, a relay is a kind of "automatic switch" that uses a small current to control a large current. Due to this advantageous characteristic, the relay is widely used in the field of power batteries. Although the relay has the above advantages, due to the harsh working environment in the battery field, the relay will inevitably fail due to sticking. Once it fails, the battery box is very likely to form a high-voltage circuit, causing safety problems and even causing the battery pack to catch fire. Therefore, it is necessary to replace the relay in time when the relay fails to avoid the above-mentioned safety problems.

【Content of utility model】

The technical problem to be solved by the utility model is to propose a battery pack relay replacement device in view of the safety problem caused by the inability to replace the relay in time when the relay fails in the prior art.

In order to achieve the above purpose, the battery pack relay replacement device of the present invention includes a base, a relay and a rear cover;

The base is installed in the battery pack box;

The relay is pluggably installed on the base and electrically connected to the base;

The rear cover and the relay are detachably connected as an integral structure.

As an improvement of the battery pack relay replacement device of the present invention, the base includes a shell, a terminal fixed on the shell and connected to the power line in the battery pack box, and a spring set in the terminal. piece;

The relay includes a pole, and the pole is used for inserting into the reed to realize a pluggable electrical connection of the relay to the base.

As an improvement of the battery pack relay replacement device of the present invention, the bottom end of the terminal is provided with a threaded hole for the power line to be connected to the terminal.

As an improvement of the battery pack relay replacement device of the present invention, the rear cover is provided with a nut column, and the relay is provided with a mounting hole corresponding to the nut column, and the screw, the mounting hole and the nut column are connected to each other. The above relay is fixed on the rear cover.

As an improvement of the battery pack relay replacement device of the present invention, the rear cover is provided with a mounting groove corresponding to the relay, and when the relay is fixed on the rear cover by screws, the relay accommodates in the mounting slot.

As an improvement of the battery pack relay replacement device of the present utility model, a circle of first grooves is arranged on the periphery of the shell of the base, and the battery pack relay replacement device also includes a first sealing ring, and the first sealing ring set in the first groove.

As an improvement of the battery pack relay replacement device of the present invention, a circle of second grooves is provided on the periphery of the rear cover, and the battery pack relay replacement device also includes a second sealing ring, and the second sealing ring is set in the second groove.

The beneficial effects produced by the utility model are: the battery pack relay replacement device of the utility model, through the cooperation of the base, the relay and the rear cover, realizes the pluggable electrical connection of the relay on the base, avoiding the failure of the relay to cause The safety problem of the relay is improved, and the convenience of replacement after the relay is damaged is improved.

【Description of drawings】

Fig. 1 is the structural diagram of the battery pack relay replacement device of the present utility model;

Fig. 2 is a sectional view of the battery pack relay replacement device of the present invention installed on the battery pack box;

Fig. 3 is a schematic structural view of the base of the battery pack relay replacement device of the present invention;

Fig. 4 is a structural schematic diagram of the rear cover of the battery pack relay replacement device of the present invention.

【detailed description】

In order to make the purpose, technical solution and beneficial technical effects of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific implementations described in this specification are only for explaining the utility model, not for limiting the utility model.

As shown in Figure 1, the battery pack relay replacement device of the present invention includes a base 10, a relay 20 and a rear cover 30;

The base 10 is installed in the battery pack box 40;

The relay 20 is pluggably installed on the base 10 and electrically connected to the base 10;

The rear cover 30 is detachably connected to the relay 20 as an integral structure.

In the battery pack relay replacement device of the present utility model, since the relay 20 is pluggably electrically connected to the base 10, when the relay 20 fails, the relay 20 can be quickly disassembled from the battery pack case 40 Down, the convenience of replacing the damaged relay is effectively improved, and the safety of the battery pack is also improved.

Specifically, referring to FIG. 2 and FIG. 3 , the base 10 includes a housing 11 , a terminal 12 and a reed 13 , and the terminal 12 is fixed on the housing 11 and the power line 41 in the battery pack box 40 Connection, the reed 13 is arranged in the terminal 12;

The relay 20 includes a pole 21 , and the pole 21 is used for inserting into the reed 13 to achieve a pluggable electrical connection between the relay 20 and the base 10 .

In the battery pack relay replacement device of the present utility model, the pole 21 is inserted into the reed 13 or pulled out from the reed 13 by plugging and unplugging, so that the relay 20 can be quickly disassembled from the battery pack box. down, increasing the speed of relay replacement.

Further, the bottom end of the terminal post 12 is provided with a threaded hole for the power line 41 to be connected to the terminal post 12 and further connected to the reed 13 of the base 10 .

Further, referring to FIG. 1 to FIG. 4 , the rear cover 30 is provided with a nut post 31 , and the relay 20 is provided with a mounting hole 22 corresponding to the nut post 31 . That is, the relay 20 can be fixed on the rear cover 30 through the screws, the mounting holes 22 and the nut posts 31, so that the relay 20 and the rear cover form an integrated structure, which is convenient for the relay 20 to be inserted and removed.

Preferably, in order to reduce the volume of the battery pack relay replacement device, the rear cover 30 is provided with a mounting groove 32 corresponding to the relay 20. When the relay 20 is fixed on the rear cover 30 by screws, the The relay 20 is accommodated in the installation slot 32 .

Preferably, the periphery of the housing 11 of the base 10 is provided with a first groove 14, and the battery pack relay replacement device includes a first sealing ring 50, and the first sealing ring 50 is arranged in the first groove 14, so that when the rear cover 31 and the relay 20 are installed on the base 10, the sealing effect can be realized through the cooperation of the first sealing ring 50 and the first groove 14.

Further, the periphery of the rear cover 30 is provided with a second groove 33, and the battery pack relay replacement device also includes a second sealing ring 60, and the second sealing ring 60 is arranged in the second groove 33 In this way, when the rear cover 30 and the relay 20 are installed on the base 10, a further sealing effect can be achieved through the cooperation of the second sealing ring 60 and the second groove 33, which can ensure that the battery pack case 40 The inside and the outside of the battery pack case 40 form a sealed environment, which achieves the effect of double-layer dustproof and waterproof, and plays a comprehensive protective role for the relay 20 .

The battery pack relay replacement device of the present invention is not limited to the description in the specification and the implementation, so those familiar with the field can easily realize other advantages and modifications, so without departing from the claims and the equivalent scope Without limiting the spirit and scope of the general concepts, the invention is not limited to the specific details, representative apparatus, and illustrative examples shown and described herein.

Claims (7)

1. A battery pack relay replacement device, comprising a base, a relay and a rear cover; The base is installed in the battery pack box; The relay is pluggably installed on the base and electrically connected to the base; The rear cover and the relay are detachably connected as an integral structure. 2. The battery pack relay replacement device according to claim 1, wherein the base includes a shell, a terminal fixed on the shell and connected to a power line in the battery pack box, and a terminal set on the terminal block. reed in the column; The relay includes a pole, and the pole is used for inserting into the reed to realize a pluggable electrical connection of the relay to the base. 3 . The battery pack relay replacement device according to claim 2 , wherein a threaded hole is provided at the bottom end of the terminal for connecting the power line to the terminal. 4 . 4. The battery pack relay replacement device according to claim 3, characterized in that, the rear cover is provided with nut posts, and the relay is provided with mounting holes corresponding to the nut posts, through screws, mounting holes and The nut posts fix the relay on the rear cover. 5. The battery pack relay replacement device according to claim 4, wherein the rear cover is provided with a mounting groove corresponding to the relay, and when the relay is fixed on the rear cover by screws, the The relay is accommodated in the installation groove. 6. The battery pack relay replacement device according to claim 5, wherein a first groove is arranged on the outer periphery of the shell of the base, and the battery pack relay replacement device also includes a first sealing ring, the The first sealing ring is arranged in the first groove. 7. The battery pack relay replacement device according to claim 6, wherein a second groove is arranged on the periphery of the rear cover, and the battery pack relay replacement device further includes a second sealing ring, and the first Two sealing rings are arranged in the second groove.