Antenna installation device of new energy battery monitoring system

Abstract

The utility model provides an antenna installation device of a new energy battery monitoring system, an antenna is installed on the outer wall of a battery box through the antenna installation device, a cable of the antenna penetrates into the battery box from a cable hole arranged on the battery box and is connected with a monitoring host in the battery box, the antenna installation device comprises an antenna box, a power source, a power source and a power source, a mounting groove is formed in the antenna box, the antenna is placed in the mounting groove, a through hole is formed in the bottom surface of the antenna box, and a cable of the antenna penetrates through the through hole in the antenna box and the wire hole in the battery box and is connected with the antenna and the monitoring host; and the sealing ring is embedded in the bottom surface of the antenna box, and the antenna box cover is arranged at the wire hole in the outer wall of the battery box and is fixedly connected with the battery box, so that the sealing ring is tightly pressed on the outer wall of the battery box. The device can avoid the problems that the cable is cut off and the air tightness of the battery box at the installation position is not tight, and is simple in structure, convenient to install and high in reliability.

Description

TECHNICAL FIELD

[0001] The utility model relates to new energy battery monitoring technical field especially relates to a new energy battery monitoring system's antenna installation device. BACKGROUND

[0002] With the rapid growth of new energy automobile possession, new energy battery performance monitoring is very important and necessary. At present, the Beidou / GPS antenna can be loaded with a remote monitoring host to remotely monitor the battery performance, and timely maintenance or replacement instructions are given to ensure vehicle safety and improve user experience.

[0003] If the antenna of the new energy battery monitoring system is installed in the battery box, the antenna signal is easily affected, therefore, the antenna is usually installed on the outer wall of the battery box, and the cable of the antenna passes through the wall of the battery box through a metal joint and extends to be connected to the monitoring host located in the battery box. However, the installation method has the following problems: (1) the antenna body and the metal joint are arranged separately, once the cable of the antenna is cut off, the remote monitoring host loses the positioning monitoring function, and the safety is low; (2) the battery box is opened at the metal joint, and the sealing of the opening is completed by tightening the flat nut with a wrench, the stress points are few, the torsion is easy to degenerate, and the reliability is low; (3) the metal joint is usually a standard part, and the rubber material inside the joint is easy to age and fail under the environment of high temperature and durability of the vehicle, thereby affecting the air tightness of the entire battery box. SUMMARY

[0004] The utility model provides a new energy battery monitoring system's antenna installation device, this device can avoid the problem that cable is cut and the air tightness of battery box at installation place is not strict, and the device simple structure, easy installation, high reliability.

[0005] The technical scheme adopted by the utility model to achieve the above-mentioned purposes is as follows:

[0006] An antenna installation device of a new energy battery monitoring system, the antenna is installed on the outer wall of the battery box through the antenna installation device, the cable of the antenna passes into the battery box through the wire hole provided on the battery box and is connected to the monitoring host in the battery box, and the antenna installation device comprises:

[0007] An antenna box is internally provided with a mounting groove, the antenna is placed in the mounting groove, the bottom surface of the antenna box is provided with a through hole, the cable of the antenna passes through the through hole on the antenna box and the wire hole on the battery box and connects the antenna and the monitoring host;

[0008] A sealing ring is embedded in the bottom surface of the antenna box, the antenna box cover is located at the wire hole of the outer wall of the battery box and is fixedly connected with the battery box, so that the sealing ring is pressed on the outer wall of the battery box.

[0009] The antenna box comprises an upper cover and a bottom shell connected with each other, the mounting groove is located at the upper cover, and the through hole is located at the bottom shell.

[0010] The antenna card is placed in the mounting slot.

[0011] The upper cover and the bottom shell are welded and fixed.

[0012] The sealing ring is embedded in the bottom surface of the antenna box by secondary injection molding.

[0013] When the antenna box is fixed on the battery box, the effective compression of the sealing ring and the outer wall of the battery box is greater than 30%.

[0014] The antenna box and the battery box are fixedly connected through bolts.

[0015] Mounting holes are arranged at four corners of the antenna box, circular metal inserts are connected in the mounting holes, and the bolts pass through the circular metal inserts to fix the antenna box on the outer wall of the battery box.

[0016] The circular metal inserts are formed on the antenna box by in-mold injection molding.

[0017] Compared with the prior art, the antenna mounting device of the new energy battery monitoring system has the following advantages: 1. The antenna mounting device provided by the utility model has the advantages of simple structure and convenient installation, and the cable of the antenna is entirely located in the battery box, which can effectively avoid the disconnection of the monitoring signal caused by the cutting of the cable of the antenna, and ensure the effectiveness of the remote monitoring function.

[0018] 2. The bottom surface of the antenna box is embedded with a sealing ring in the utility model, the air tightness of the connection between the antenna box and the outer wall of the battery box is ensured through the sealing ring, the reliability of the monitoring system is improved, and the sealing ring is embedded in the antenna box and located on the outer wall of the battery box, the influence of the external environment is reduced, and the service life of the sealing ring is long.

[0019] 3. Four bolts arranged at four corners of the antenna box are used for rigid fastening in the utility model, there is no risk of torque degradation, and the high air tightness of the battery box is ensured. DETAILED DESCRIPTION

[0020] Figure 1 It is a schematic view of the antenna mounting device of the new energy battery monitoring system in the prior art;

[0021] Figure 2 It is a sectional view of the antenna mounting device of the new energy battery monitoring system in the prior art;

[0022] Figure 3 It is a structural schematic view of the antenna mounting device of the new energy battery monitoring system provided by the utility model;

[0023] Figure 4 It is an exploded view of the antenna mounting device of the new energy battery monitoring system provided by the utility model;

[0024] Figure 5 The structure schematic view of the antenna mounting device of the new energy battery monitoring system provided by the utility model is installed on the battery box;

[0025] Figure 6 The sectional view of the antenna mounting device of the new energy battery monitoring system provided by the utility model is installed on the battery box;

[0026] In the figure: 1-battery box, 2-antenna, 3-cable, 4-metal joint, 5-flat nut, 6-upper cover, 7-bottom shell, 8-sealing ring, 9-through hole, 10-wire hole, 11-bolt, 12-circular metal insert, 13-bolt hole. DETAILED DESCRIPTION

[0027] The utility model will be described in detail below in combination with the drawings.

[0028] In the prior art, the antenna 2 is installed at the outer wall of the battery box 1, the antenna is a square box structure, seen from Figure 1 , the cable 3 of the antenna passes through the wall of the battery box through the metal joint 4 and extends to be connected with the monitoring host located in the battery box, the metal joint is fixed on the wall of the battery box through the flat nut 5, as shown in Figure 1 and Figure 2 , but the installation device has the defects of safety and air tightness.

[0029] The antenna mounting device of the new energy battery monitoring system provided by the embodiment is shown in Figure 3 and Figure 4 , the antenna mounting device comprises an antenna box and a sealing ring 8, an installation groove is arranged inside the antenna box, the antenna is placed in the installation groove, the bottom surface of the antenna box is provided with a through hole 9, and the cable of the antenna passes through the through hole and extends out of the antenna box. Specifically, the antenna box comprises an upper cover 6 and a bottom shell 7 connected with each other, the installation groove is located at the upper cover, the through hole is located at the bottom shell, and the antenna is clamped in the installation groove. In order to ensure the effective sealing of the antenna, after the antenna is clamped in the installation groove, the upper cover and the bottom shell are welded and fixed by ultrasonic welding, and waterproof glue is further used for sealing.

[0030] In the embodiment, the sealing ring is embedded in the bottom surface of the antenna box (i.e. the outer surface of the bottom shell) and protrudes, seen from Figure 6 , specifically, the sealing ring is embedded in the bottom surface of the antenna box by secondary injection molding. That is, the sealing ring is formed in the mold of the bottom shell, so that the consistency of the position and height of the sealing ring is ensured.

[0031] In the embodiment, the antenna is installed on the outer wall of the battery box through the antenna mounting device, as shown in Figure 5 and Figure 6As shown, the antenna is not drawn in the figure. Specifically, the antenna box covers the wire hole 10 on the outer wall of the battery box and is fixedly connected with the battery box, so that the sealing ring is pressed against the outer wall of the battery box, and at this time, the cable of the antenna passes through the through hole on the antenna box and the wire hole on the battery box and connects the antenna and the monitoring host in the battery box. Through the antenna mounting device, it can be ensured that the cable of the antenna is entirely located in the battery box, and the situation that the monitoring signal is disconnected due to the cutting of the cable of the antenna can be effectively avoided. Specifically, when the antenna box is fixed on the battery box, the effective compression of the sealing ring against the outer wall of the battery box is > 30%, which ensures the sealing effectiveness of the sealing ring and guarantees the air tightness of the battery box. The sealing ring is embedded in the antenna box and located on the outer wall of the battery box, which reduces the influence of the external environment and prolongs the service life of the sealing ring.

[0032] In the embodiment, the antenna box and the battery box are fixedly connected by bolts 11, four bolts are used for rigid fastening, the stress is uniform, the torsion is stable, there is no risk of torsion degradation, the sealing ring is always pressed tightly, and the high air tightness of the battery box is guaranteed. Specifically, the antenna box is provided with mounting holes at four corners, circular metal inserts 12 are connected in the mounting holes, the bolts pass through the circular metal inserts to fix the antenna box on the outer wall of the battery box, and correspondingly, four bolt holes 13 for installing bolts are provided around the wire hole on the battery box. Preferably, the circular metal inserts are formed on the antenna box by in-mold injection molding, the circular metal inserts are formed in the upper cover mold, and the strength of the circular metal inserts is guaranteed. Further, the mounting groove of the upper cover of the antenna box is provided with a limiting groove around, the bottom shell is placed in the limiting groove and is welded and sealed. The mounting holes are located at the four corners of the upper cover and around the limiting groove, at this time, the mounting holes do not pass through the bottom shell, and the opening of the mounting holes does not affect the sealing of the antenna.

Claims

1. A kind of antenna mounting device of new energy battery monitoring system, by antenna mounting device, antenna is installed on the outer wall of battery box, antenna is square box structure, the cable of antenna enters battery box and is connected with the monitoring host in battery box from the wire hole set on battery box, it is characterized in that: The antenna mounting device comprises: An antenna box comprising an upper cover and a bottom shell, the upper cover is provided with a mounting slot inside, the antenna is placed in the mounting slot, the bottom shell is welded and fixed with the upper cover to encapsulate the antenna between the bottom shell and the upper cover, the bottom surface of the bottom shell is provided with a through hole, the cable of the antenna passes through the through hole and a wire hole on the battery box and connects the antenna and the monitoring host; A sealing ring is embedded in the bottom surface of the antenna box and protrudes, the antenna box covers the wire hole on the outer wall of the battery box, the antenna box is provided with mounting holes at four corners, circular metal inserts are connected in the mounting holes, bolts pass through the circular metal inserts to fix the antenna box on the outer wall of the battery box, the sealing ring is pressed on the outer wall of the battery box, and the effective compression amount of the sealing ring is greater than 30%.

2. The antenna mounting device for new energy battery monitoring system according to claim 1, characterized in that: The antenna card is placed in the mounting slot.

3. The antenna mounting device for new energy battery monitoring system according to claim 1, characterized in that: The sealing ring is embedded in the bottom surface of the antenna box by secondary injection molding.

4. The antenna mounting device for new energy battery monitoring system according to claim 1, characterized in that: The circular metal insert is formed on the antenna box by in-mold injection molding.

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