CN215989223U

CN215989223U - Antenna device, charging seat and battery device

Info

Publication number: CN215989223U
Application number: CN202122147427.2U
Authority: CN
Inventors: 冯梓洋; 刁应君; 曾伍军; 付佳彬
Original assignee: Shenzhen Mingtang New Energy Technology Co ltd
Current assignee: Shenzhen Mingtang New Energy Technology Co ltd
Priority date: 2021-07-27
Filing date: 2021-09-06
Publication date: 2022-03-08
Anticipated expiration: 2031-09-06
Also published as: CN215989222U

Abstract

The utility model discloses an antenna device, a charging seat and a battery device, wherein the antenna device comprises a first antenna, a coaxial line, a second antenna and a radio frequency connecting seat which are used as grounding ends; the first antenna is connected with the second antenna, and the coaxial line is electrically connected with the second antenna through the radio frequency connecting seat; the radio frequency connecting seat comprises a signal wire and a shielding layer; the coaxial line comprises an inner conductor and an outer conductor which are coaxially arranged; the first ends of the inner conductor and the outer conductor are used for being connected with an external signal feedback end, the second end of the inner conductor is connected with a signal line, and the second end of the outer conductor is connected with the shielding layer. The utility model can make the first antenna send out signal when feeding the coaxial line, and the antenna device has simple structure, low manufacturing cost and convenient installation.

Description

Antenna device, charging seat and battery device

Technical Field

The present invention relates to the field of antenna technologies, and in particular, to an antenna device, a charging stand, and a battery device.

Background

With the continuous improvement and development of the lithium battery power market, more and more users are used to obtain detailed information of the battery by means of remote operation through a remote control terminal, such as relevant information of the SOC, the monomer voltage, the total voltage, the charging current, the discharging current, the temperature of a battery pack and the like of the battery; an electricity renting and exchanging operator needs to remotely control the charging and discharging functions of the battery to meet the operation requirements of the operator; after the battery is stolen, the charging and discharging functions are cut off, so that the utilization value of the battery is lost. These need to be uploaded through the cellular mobile network to the server for operation processing, which requires good and stable antenna signals, and the metal outer box can shield the signals, thereby bringing interference to antenna receiving and transmitting signals, causing signal instability, and further affecting data transmission.

For the safety of the battery, the conventional battery outer box generally adopts a metal shell, the metal outer box can shield signals, and information data such as the voltage of each battery cell, the total voltage, the charging current, the discharging current, the temperature of the battery pack and the like collected by the BMS needs good and stable antenna signals to be uploaded, so that the two have contradictions.

With the development of wireless communication technology, various communication standards are developed, and the frequency bands adopted by the communication standards are different, so that the antennas of the devices are required to operate in multiple bands.

In order to solve the problem, holes and grooves are generally formed on the box body in the market to create feasible conditions for the antenna for receiving and transmitting signals; or an external antenna device; or a specially customized handle is used as an antenna; these solutions add additional cost, are complicated to manufacture, are inconvenient to assemble and have difficulty in ensuring consistency.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an antenna device, a charging stand and a battery device, which overcome at least one of the disadvantages of the related art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: an antenna device is constructed, and comprises a first antenna, a coaxial line, a second antenna and a radio frequency connecting seat, wherein the first antenna is used as a grounding end;

the first antenna is connected with the second antenna, and the coaxial line is electrically connected with the second antenna through the radio frequency connecting seat;

the radio frequency connecting seat comprises a signal wire and a shielding layer;

the coaxial line comprises an inner conductor and an outer conductor which are coaxially arranged;

the first ends of the inner conductor and the outer conductor are used for being connected with an external signal feedback end, the second end of the inner conductor is connected with the signal line, and the second end of the outer conductor is connected with the shielding layer.

Preferably, in the antenna apparatus of the present invention, the rf connector includes a female rf connector and a male rf connector;

the radio frequency connecting seat female head is arranged on the second antenna, and the radio frequency connecting seat male head is connected with the coaxial line; or the radio frequency connecting seat male head is arranged on the second antenna, and the radio frequency connecting seat female head is connected with the coaxial line.

Preferably, in the antenna device of the present invention, the second antenna is a microstrip antenna having a different resonant frequency.

Preferably, in the antenna device of the present invention, the microstrip antenna is a PCB circuit board or a metal member.

Preferably, in the antenna apparatus according to the present invention, the second antenna is provided with a fixing region fixedly connected to the first antenna.

Preferably, in the antenna device of the present invention, at least one notch for the first antenna to be inserted is provided on the fixing area.

Preferably, in the antenna device of the present invention, the first antenna is a patch antenna or a pin antenna.

Preferably, in the antenna apparatus of the present invention, the coaxial line includes a first coaxial line, a second coaxial line, and a male-female plug for connecting the first coaxial line and the second coaxial line.

The utility model also constructs a charging seat, which comprises a seat body and the antenna device of any one of the above items; the first antenna is a grounding end on the base body.

The utility model also constructs a battery device, which comprises a battery metal box and the charging seat; the base body is arranged on the battery metal box, and the antenna device is arranged in the battery metal box;

the first end of the first antenna is connected with the second antenna, and the second end of the first antenna is exposed out of the battery metal box.

By implementing the utility model, the following beneficial effects are achieved:

the first antenna serving as the grounding end is connected with the second antenna, and the coaxial line is electrically connected with the second antenna through the radio frequency connecting seat, so that the first antenna can send out signals when the coaxial line feeds.

And, through making the second antenna be the microstrip antenna that has different resonant frequency, can make antenna device work in a plurality of frequency channels, have better, more stable performance.

Meanwhile, the first antenna is the grounding end of the base body, the first end of the first antenna is connected with the second antenna, and the second end of the first antenna is exposed outside the battery metal box, so that the battery metal box does not need to be changed, and the normal and stable use of antenna signals can be ensured.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of a charging stand according to the present invention;

FIG. 2 is an exploded view of the charging dock of FIG. 1;

fig. 3 is a schematic structural view illustrating that the first coaxial line and the second coaxial line are connected by a male plug and a female plug according to the present invention.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

In the following description, it should be understood that the orientations and positional relationships indicated herein and the like are configured and operated in specific orientations based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the technical solution, and do not indicate that the indicated devices or elements must have specific orientations, and thus, are not to be construed as limiting the present invention.

As shown in fig. 1, the present invention discloses an antenna device 1, which includes a first antenna 11 as a ground terminal, a coaxial line 13, a second antenna 12, and a rf connection socket 14. The first antenna 11 is connected with the second antenna 12, and the coaxial line 13 is electrically connected with the second antenna 12 through the radio frequency connecting seat 14. The radio frequency connecting seat comprises a signal wire and a shielding layer; the coaxial line 13 includes an inner conductor 131 and an outer conductor 132 coaxially disposed; the first ends of the inner conductor 131 and the outer conductor 132 are used for connecting with an external signal feedback end, the second end of the inner conductor 131 is connected with a signal line, and the second end of the outer conductor 132 is connected with a shielding layer.

In the present embodiment, as shown in fig. 2, the rf connector socket 14 includes a female rf connector socket 141 and a male rf connector socket 142. The female head 141 of the radio frequency connection base is arranged on the second antenna 12, and the male head 142 of the radio frequency connection base is connected with the coaxial line 13; or, the rf connector male portion 142 is disposed on the second antenna 12, and the rf connector female portion 141 is connected to the coaxial line 13. Specifically, a first signal line and a first shielding layer are arranged on the female head 141 of the radio frequency connecting base, a second signal line and a second shielding layer are arranged on the male head 142 of the radio frequency connecting base, and the female head 141 of the radio frequency connecting base and the male head 142 of the radio frequency connecting base can be connected through threads or a bayonet, so that the first signal line is connected with the second signal line, and the first shielding layer is connected with the second shielding layer. In some embodiments, the rf connector female 141 or the rf connector male 142 may be soldered to the second antenna 12.

In this embodiment, the second antenna 12 is a microstrip antenna having different resonant frequencies, a broadband and a high gain are realized by the microstrip antenna, and the antenna device can operate in multiple frequency bands by feeding through the coaxial line 13, and has better and more stable performance.

In some embodiments, the microstrip antenna is a metal piece, i.e., a wiring clip, such as a thin stamped piece of copper alloy, and preferably a groove-shaped metal piece for increased strength.

In some embodiments, as shown in fig. 1 and 2, the microstrip antenna is a PCB circuit board.

In the present embodiment, as shown in fig. 2, the second antenna 12 is provided with a fixing region 121, such as a soldering region, fixedly connected to the first antenna 11. When the microstrip antenna is a PCB, a pad fixed to the first antenna 11 is disposed on the PCB.

In some embodiments, for installation convenience, the fixing area 121 is provided with at least one notch 122 for the first antenna 11 to plug in, for example, as shown in fig. 2, the pad is provided with two notches 122 for the first antenna 11 to plug in, accordingly, the first antenna 11 is a pin antenna, wherein the pin antenna is a pin antenna with a central jack. In other embodiments, the first antenna 11 is a patch antenna.

In other embodiments, the second antenna 12 is provided with a fixing body for fixing the first antenna 11. Specifically, the fixing body is a fixing wall extending a distance in the vertical direction on both sides of the second antenna 12 and then extending inward and relatively, an insertion channel for inserting and fixing the first antenna 11 is formed between the two fixing walls, and a space is formed between the two fixing walls. Wherein the fixing wall extending horizontally inward or the fixing wall extending curvedly inward may be selected according to the shape of the first antenna 11.

In the present embodiment, as shown in fig. 3, for the convenience of assembling the coaxial line 13, the coaxial line 13 includes a first coaxial line 133, a second coaxial line 134, and male and female plugs, i.e., a male head 136 and a female head 135, for connecting the first coaxial line 133 and the second coaxial line 134. In some embodiments, the female portion 135 is disposed on the first coaxial line 133 and the male portion 136 is disposed on the second coaxial line 134. In other embodiments, the male portion 136 is disposed on the first coaxial line 133 and the female portion 135 is disposed on the second coaxial line 134.

As shown in fig. 1 and 2, the present invention also discloses a charging base, which includes a base 2 and the antenna device 1. The first antenna 11 is a ground terminal on the base body 2. Fig. 1 and 2 show that the base 2 is a self-locking 2+1+5 female base, and the first antenna 11 is a pin antenna. Completely, the base body 2 also comprises a live wire end and a neutral wire end.

The utility model also discloses a battery device, such as a new energy lithium battery device, which comprises a battery metal box and the charging seat. The base body 2 is arranged on the battery metal box, and the antenna device 1 is arranged in the battery metal box. The first end of the first antenna 11 is connected to the second antenna 12, and the second end of the first antenna 11 is exposed outside the battery metal case.

In this embodiment, the first antenna 11 is a ground terminal of the base body 2, the first end of the first antenna 11 is connected to the second antenna 12, and the second end of the first antenna 11 is exposed outside the battery metal box, so that the battery metal box does not need to be modified, and the normal and stable use of the antenna signal can be ensured.

It is to be understood that the foregoing examples, while indicating the preferred embodiments of the utility model, are given by way of illustration and description, and are not to be construed as limiting the scope of the utility model; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.

Claims

1. An antenna device is characterized by comprising a first antenna (11) serving as a grounding end, a coaxial line (13), a second antenna (12) and a radio frequency connecting seat (14);

the first antenna (11) is connected with the second antenna (12), and the coaxial line (13) is electrically connected with the second antenna (12) through the radio frequency connecting seat (14);

the coaxial line (13) comprises an inner conductor (131) and an outer conductor (132) which are coaxially arranged;

the first ends of the inner conductor (131) and the outer conductor (132) are used for being connected with an external signal feedback end, the second end of the inner conductor (131) is connected with the signal line, and the second end of the outer conductor (132) is connected with the shielding layer.

2. The antenna device according to claim 1, wherein the rf connection socket (14) comprises an rf connection socket female (141) and an rf connection socket male (142);

the radio frequency connecting seat female head (141) is arranged on the second antenna (12), and the radio frequency connecting seat male head (142) is connected with the coaxial line (13); or the radio frequency connecting seat male head (142) is arranged on the second antenna (12), and the radio frequency connecting seat female head (141) is connected with the coaxial line (13).

3. The antenna device according to claim 1, characterized in that the second antenna (12) is a microstrip antenna having different resonance frequencies.

4. The antenna device of claim 3, wherein the microstrip antenna is a PCB circuit board or a metal piece.

5. The antenna device as claimed in claim 1, characterised in that the second antenna (12) is provided with a fixing area (121) fixedly connected to the first antenna (11).

6. The antenna device according to claim 5, characterized in that the fixing area (121) is provided with at least one recess (122) for the first antenna (11) to be plugged into.

7. The antenna device according to claim 1, characterized in that the first antenna (11) is a patch antenna or a pin antenna.

8. The antenna device according to claim 1, characterized in that the coaxial line (13) comprises a first coaxial line (133), a second coaxial line (134) and a male-female plug for connecting the first coaxial line (133) and the second coaxial line (134).

9. A charging stand, comprising a base and an antenna device according to any one of claims 1 to 8; the first antenna (11) is a grounding end on the base body.

10. A battery device comprising a battery metal case, characterized by further comprising the charging stand of claim 9; the base body is arranged on the battery metal box, and the antenna device is arranged in the battery metal box;

the first end of the first antenna (11) is connected with the second antenna (12), and the second end of the first antenna (11) is exposed out of the battery metal box.