Bluetooth antenna device for battery box

By designing a Bluetooth antenna device for the battery box, which extends through the battery box casing and connects to the main control board, the problem of unstable signal transmission was solved, achieving good signal coverage and transmission stability.

CN223771317UActive Publication Date: 2026-01-06SHIYAN ANT INTERNET OF THINGS TECH CO LTD
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Patent Information

Application Number
CN202520052632.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2026-01-06
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

The existing battery box's wireless communication module is located inside the box, which leads to unstable signal transmission and affects communication quality.

Method used

Design a Bluetooth antenna device for a battery box, including a mounting base, an antenna, and a mounting shell. The antenna extends out of the battery box shell through the protruding end of the mounting base, abuts against the inner wall, and is connected to the main control board through an RF connector to ensure that the signal is kept away from electromagnetic interference sources.

Benefits of technology

It improves signal coverage and transmission stability, avoids the effects of electromagnetic interference, and ensures communication quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a Bluetooth antenna device for a battery box, relates to the technical field of antenna equipment, and solves the technical problem of unstable communication in the prior art. The device comprises a mounting base, an antenna and a mounting shell, the mounting base comprises a penetrating-out end and an abutting end, the penetrating-out end penetrates out of a mounting hole in a battery box shell, the abutting end abuts against the inner wall of the battery box shell, the antenna is arranged in the mounting base, a transmitting end of the antenna is located in the penetrating-out end, and the mounting shell is detachably connected with the penetrating-out end. According to the utility model, the mounting seat is arranged to enable the antenna to penetrate out of the battery box shell, so that the antenna is ensured to be far away from an electromagnetic interference source, and meanwhile, a good signal coverage range is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to antenna equipment technical field especially is related to a bluetooth antenna device for battery box. BACKGROUND

[0002] With the development of low-speed electric vehicles and renewable energy storage systems, the demand for battery management systems (BMS) is increasing, and BMS not only needs to monitor the state of the battery, such as voltage, current and temperature, but also needs to exchange data with external devices through wireless communication. In the existing technology, the wireless communication module is often attached to the circuit board and completely located in the box, which makes the signal transmission unstable and affects the communication quality. SUMMARY

[0003] The utility model discloses a bluetooth antenna device for battery box, which solves the technical problem of unstable communication in the prior art. The preferred technical solutions in the various technical solutions provided by the utility model can produce the technical effects described below.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] The bluetooth antenna device for battery box provided by the utility model comprises a mounting seat, an antenna and a mounting shell, the mounting seat comprises a passing-out end and a abutting end, the passing-out end passes out from the mounting hole on the battery box shell, the abutting end abuts on the inner wall of the battery box shell, the antenna is arranged inside the mounting seat, and the transmitting end of the antenna is located in the passing-out end, and the mounting shell is detachably connected with the passing-out end.

[0006] Preferably, the mounting seat is provided with a mounting space, and the antenna is arranged in the mounting space.

[0007] Preferably, the abutting end has an open port away from one end of the battery box shell, and the bottom of the antenna can be connected with the main control board through the open port.

[0008] Preferably, the antenna is connected with the main control board through a radio frequency connector.

[0009] Preferably, the passing-out end is provided with external threads on the outer wall, the mounting shell is internally provided with internal threads, and the passing-out end is threadedly connected with the mounting shell.

[0010] Preferably, a gasket is further included, the gasket is sleeved on the passing-out end, and the mounting shell is abutted on the battery box shell through the gasket.

[0011] Preferably, the antenna is a spring antenna.

[0012] The application has at least the following beneficial effects:

[0013] A Bluetooth antenna device for a battery box comprises a mounting seat, an antenna and a mounting shell, the mounting seat comprises a penetrating end and a abutting end, the penetrating end penetrates out of a mounting hole on the battery box shell, the abutting end abuts against the inner wall of the battery box shell, the antenna is arranged inside the mounting seat, and the transmitting end of the antenna is located in the penetrating end, the mounting shell is detachably connected with the penetrating end, the antenna is arranged by the mounting seat penetrating through the battery box shell, so that the antenna can penetrate out of the battery box shell, thus ensuring that the antenna is far away from the electromagnetic interference source and good signal coverage range is ensured.

[0014] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory, and cannot limit the application. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0016] Figure 1 is a cross-sectional structure schematic diagram of the Bluetooth antenna device for the battery box provided by the embodiment of the present application;

[0017] Figure 2 is an explosion structure schematic diagram of the Bluetooth antenna device for the battery box provided by the embodiment of the present application;

[0018] Figure 3 is a mounting state structure schematic diagram of the Bluetooth antenna device for the battery box provided by the embodiment of the present application.

[0019] In the figure, 1 is a mounting seat, 2 is an antenna, 3 is a mounting shell, 4 is a penetrating end, 5 is an abutting end, 6 is a battery box shell, 7 is a mounting hole, 8 is a mounting space, 9 is an open port, and 10 is a gasket. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the present application more clear, the technical scheme of the present application will be described in detail below. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the present application.

[0021] A specific embodiment of this utility model provides a Bluetooth antenna device for a battery box, in conjunction with the attached... Figure 1 - Appendix Figure 3 As shown, it mainly includes a mounting base 1, an antenna 2, and a mounting housing 3. The mounting base 1 includes a protruding end 4 and a retaining end 5. The protruding end 4 protrudes through a mounting hole 7 on the battery box housing 6, and the retaining end 5 abuts against the inner wall of the battery box housing 6. The antenna 2 is located inside the mounting base 1, and the transmitting end of the antenna 2 is located inside the protruding end 4. The mounting housing 3 is detachably connected to the protruding end 4. In this way, the mounting base 1 and the mounting housing 3 can provide installation protection and ensure that the transmitting end of the antenna is located outside the battery box housing 6, ensuring that the antenna is away from electromagnetic interference sources and ensuring good signal coverage.

[0022] In a specific embodiment of this application, the mounting base 1 has an internal mounting space 8, and the antenna 2 is installed in the mounting space 8. The antenna 2 is not directly connected to the mounting base 1. The mounting base 1 only forms a mounting space 8 for the antenna to provide protection.

[0023] In some embodiments, the end of the abutting end 5 away from the battery box housing 6 has an opening 9 for the antenna 2 to pass through, and the bottom of the antenna 2 can be connected to the main control board through the opening 9.

[0024] Specifically, antenna 2 can be connected to the main control board via an RF connector to ensure the reliability and stability of data transmission.

[0025] In some embodiments, the protruding end 4 is a cylindrical structure with external threads on its outer wall and internal threads inside the mounting shell 3. The protruding end 4 is threadedly connected to the mounting shell 3, which ensures both convenient detachable installation and easy maintenance in the future.

[0026] In some embodiments, a gasket 10 is also included. The gasket 10 is sleeved on the through end 4, and the mounting shell 3 is pressed against the battery box shell 6 by the gasket 10. The gasket 10 plays a sealing role to ensure the sealing of the connection.

[0027] Antenna 2 can be a spring antenna, using microstrip antenna technology, which has the advantages of small size, light weight and low cost, and can effectively receive and transmit Bluetooth signals.

[0028] In this utility model, the terms "one embodiment," "some embodiments," "example," "specific example," and "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0029] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A Bluetooth antenna apparatus for a battery pack, characterized by, The installation seat comprises a penetrating end and a abutting end, the penetrating end penetrates through the installation hole on the battery box shell, the abutting end abuts against the inner wall of the battery box shell, the antenna is arranged inside the installation seat, and the transmitting end of the antenna is located in the penetrating end.

2. The Bluetooth antenna apparatus for a battery pack according to claim 1, wherein, An installation space is arranged on the installation seat, and the antenna is arranged in the installation space.

3. The Bluetooth antenna apparatus for a battery pack of claim 1, wherein, The abutting end away from the one end of the battery box shell has an open port, and the bottom of the antenna can be connected with the main control panel through the open port.

4. The Bluetooth antenna apparatus for a battery pack according to claim 3, wherein The antenna is connected with the main control panel through a radio frequency connector.

5. The Bluetooth antenna apparatus for a battery pack of claim 1, wherein, An outer thread is arranged on the outer wall of the penetrating end, an inner thread is arranged in the installation shell, and the penetrating end is threadedly connected with the installation shell.

6. The Bluetooth antenna apparatus for a battery pack of claim 1, wherein, A gasket is further arranged, the gasket is sleeved on the penetrating end, and the installation shell is abutted against the battery box shell through the gasket.

7. The Bluetooth antenna apparatus for a battery pack of claim 1, wherein, The antenna is a spring antenna.