CN111121236A

CN111121236A - Wireless communication equipment and air conditioner

Info

Publication number: CN111121236A
Application number: CN201811297536.9A
Authority: CN
Inventors: 黎梓朗; 曾品桦; 任鹏; 吴文豪; 曾安
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2018-11-01
Filing date: 2018-11-01
Publication date: 2020-05-08
Anticipated expiration: 2038-11-01
Also published as: CN111121236B

Abstract

The application provides a wireless communication device and an air conditioner. The wireless communication device includes a main housing and an antenna. The main casing body is internally provided with a circuit board, the antenna is arranged outside the main casing body and is electrically connected with the circuit board, and the antenna is attached to one surface of the main casing body. By applying the technical scheme of the invention, the antenna is attached to one surface of the main shell, so that the problem that the antenna protrudes relative to wireless communication equipment or an air conditioner and is easy to induce thunder can be avoided, the electrical safety can be improved under the condition of ensuring the quality of signals transmitted and received by the antenna, and the lightning protection problem of the antenna is also solved.

Description

Wireless communication equipment and air conditioner

Technical Field

The invention relates to the technical field of communication equipment, in particular to wireless communication equipment and an air conditioner.

Background

In the power peak regulation control system, a wireless module can be added into electrical equipment such as an air conditioner and the like to realize a remote control function, and wireless nodes of the electrical equipment use a wireless technology. For better communication, the form of the antenna needs to be considered.

In the existing household air-conditioning air heater, if the node antenna is placed in an indoor unit, the signal effect is greatly reduced due to the blockage of a wall. If the node antenna is placed on an outdoor unit, lightning protection equipment needs to be added, however, no extra space is left around the wireless module shell for placing the lightning protection equipment, and the lightning protection effect of the wireless communication equipment is poor.

Disclosure of Invention

The embodiment of the invention provides wireless communication equipment and an air conditioner, and aims to solve the technical problem that the lightning protection effect is poor when the wireless communication equipment is placed outdoors in the prior art.

The embodiment of the application provides a wireless communication device, which comprises: a main housing in which a circuit board is disposed; and the antenna is arranged outside the main shell and is electrically connected with the circuit board, and the antenna is attached to one surface of the main shell.

In one embodiment, the main housing includes a top surface, a bottom surface, and a side surface connected between the top surface and the bottom surface, the antenna being attached to the side surface.

In one embodiment, the sides include a long side and a wide side connected, and the antenna is attached to the long side.

In one embodiment, the main housing has a rectangular parallelepiped shape.

In one embodiment, the antenna is rotatably mounted on the main housing.

In one embodiment, the wireless communication device further comprises a driving member disposed on the main housing and in driving connection with the antenna for driving the antenna to rotate.

In one embodiment, the drive member includes a motor drivingly connected to the antenna.

In one embodiment, the drive member further comprises a transmission mechanism connected between the motor and the antenna.

In one embodiment, a mounting portion is formed on the main housing, the driving member is disposed in the mounting portion, and the antenna is mounted on the mounting portion.

In one embodiment, the antenna includes at least a first rotational position in which the antenna is engaged with one face of the main housing and a second rotational position perpendicular to the one face of the main housing.

In one embodiment, the main housing is formed with a snap-fit structure for snap-fitting with a component of the air conditioner.

In one embodiment, the main housing is formed with a bolt mounting structure for passing a bolt therethrough for connection with a component of the air conditioner.

The application also provides an air conditioner which comprises the wireless communication equipment.

In the above embodiment, with the setting of laminating mutually of a face of antenna and main casing body, can avoid the antenna to draw the problem of thunder easily for wireless communication equipment or air conditioner protrusion, can promote electrical safety under the preceding body of assurance antenna send-receive signal quality, still solved the lightning protection problem of antenna.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is an exploded schematic view of an embodiment of a wireless communication device according to the present invention;

fig. 2 is a schematic perspective view of a main housing of the wireless communication device of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.

It should be noted that, in the technical solution of the present invention, the concept of "attaching" does not mean that two components are bonded to each other to achieve physical connection, but means that the two components are disposed in close proximity to each other so as to minimize the relative protrusion of the two components.

Fig. 1 and 2 show a wireless communication device of the present embodiment, which includes a main housing 10 and an antenna 30. The circuit board 20 is disposed in the main housing 10, the antenna 30 is mounted outside the main housing 10 and electrically connected to the circuit board 20, and the antenna 30 is attached to one surface of the main housing 10.

By applying the technical scheme of the invention, the antenna 30 is attached to one surface of the main shell 10, so that the problem that the antenna 30 protrudes relative to wireless communication equipment or an air conditioner and is easy to induce thunder can be avoided, the electrical safety can be improved under the condition of ensuring the quality of signals transmitted and received by the antenna 30, and the lightning protection problem of the antenna is also solved.

It should be noted that, in the present invention, the antenna 30 is attached to one surface of the main housing 10, and the antenna 30 is not limited to be disposed along the extending direction of the surface, and the disposing direction of the antenna 30 on the surface may be arbitrary, and if the antenna 30 is disposed along the diagonal direction of the surface, the length of the antenna 30 may be longer.

Optionally, in the technical solution of this embodiment, the antenna 30 is an antenna with an SMA interface. The antenna with the SMA interface is arranged in the main shell 10, and the bent part of the antenna does not expose metal, so that a human body is prevented from contacting the metal part of the wireless module, and the electrical safety problem is solved.

In the technical scheme of the invention, the LoRa wireless technology is adopted, and the modulation frequency is within 1 GHz. Compared with 2.4GHz Wi-Fi and Bluetooth technologies, the LoRa wireless technology is low in frequency, long in wavelength and long in size of the antenna 30. Compared with the defects of low energy conversion efficiency and unfavorable communication effect of using a PCB antenna, the technical scheme of the invention has better communication effect.

As shown in fig. 1 and 2, in the present embodiment, the main housing 10 includes a top surface, a bottom surface, and a side surface connected between the top surface and the bottom surface, and the antenna 30 is attached to the side surface. The antenna 30 is attached to the side surface without affecting the use of the top or bottom surface of the main housing 10, and the integrity of the appearance is better.

More preferably, the side surfaces include a long side surface and a wide side surface connected to each other, and the antenna 30 is attached to the long side surface. Like this, the antenna is parallel with the long limit of wireless module shell, can use longer antenna, and energy radiation efficiency is higher, signal reception is better, reinforcing antenna receiving and dispatching effect. Better matching with the whole structure of the air conditioner, and reasonably utilizing the space. The antenna is parallel to the long edge of the wireless module shell, the occupied plane space of the antenna is reduced, and the problems of space, signal quality, antenna energy conversion efficiency and antenna size are considered.

Alternatively, as shown in fig. 2, in the solution of the present embodiment, the main housing 10 has a rectangular parallelepiped shape.

When the installation position of the wireless communication device is blocked, the antenna 30 cannot change the wireless communication quality and is not in counter measures. Therefore, as a preferred embodiment, in the present embodiment, the antenna 30 is rotatably mounted on the main housing 10. Therefore, the angle of the antenna 30 can be adjusted according to the actual environment to find the optimal signal, the receiving and transmitting effect of the antenna is enhanced, and the space and the signal quality are considered. The antenna 30 is oriented to a position with strong signal and is matched with the structure of the air conditioner, so that the space is reasonably utilized.

Alternatively, the antenna 30 includes at least a first rotational position in which it is attached to one face of the main housing 10, and a second rotational position in which it is perpendicular to the one face of the main housing 10. In the first rotation position, the antenna 30 is attached to one surface of the main housing 10, so that a lightning protection effect can be achieved; in the second rotational position, the antenna 30 is perpendicular to one face of the main housing 10, enhancing the signal transceiving function.

Preferably, as shown in fig. 1, in the solution of the present embodiment, the wireless communication device further includes a driving member 40, and the driving member 40 is disposed on the main housing 10 and is in driving connection with the antenna 30 for driving the antenna 30 to rotate. The driving member 40 can realize the automatic rotation of the antenna 30, and the angle of the antenna 30 can be adjusted conveniently.

Optionally, the drive member 40 includes a motor drivingly connected to the antenna 30. More preferably, the driving member 40 further includes a transmission mechanism connected between the motor and the antenna 30. The output torque of the motor can be increased through the transmission mechanism, and a more complex antenna 30 rotation effect can be realized. The transmission mechanism can be a gear set or a gear set matched with a linkage rod. In use, the motor rotates and the antenna 30 follows. The orientation of the motor determines the rotation surface of the antenna, and the actual product selects a rotation scheme according to the space of the antenna. Thus, the antenna 30 can automatically rotate to adjust the angle of the antenna 30 to find the optimal signal. It should be noted that the motor is mounted on the main housing 10 and can be connected to the circuit board 20, and the motor needs to have the characteristics of high frequency and coaxiality, that is, low insertion loss, good standing wave characteristics, and transmission of radio frequency signals. The motor can be controlled to rotate by a control module on the circuit board 20 connected with the antenna 30, so as to realize the function of rotating the antenna 30.

As shown in fig. 2, in the solution of the present embodiment, a mounting portion 11 is formed on the main housing 10, the driving member 40 is disposed in the mounting portion 11, and the antenna 30 is mounted on the mounting portion 11. When the antenna 30 is an antenna of an SMA interface, the SMA interface is electrically connected to the circuit board 20 through the mounting portion 11.

As shown in fig. 2, as a preferred embodiment, a latch structure 12 is formed on the main housing 10, and the latch structure 12 is used for latching with a component of the air conditioner. The connection of the wireless communication device with the components of the air conditioner can be more conveniently realized through the clamping structure 12. More preferably, the main housing 10 is formed with a bolt mounting structure 13, and the bolt mounting structure 13 is used for passing a bolt to connect with a component of the air conditioner. The connection of the wireless communication device and the components of the air conditioner can be more firmly realized through the matching of the bolt mounting structure 13 and the bolt. Correspondingly, a clamping groove matched with the clamping structure 12 and a bolt hole matched with the bolt mounting structure 13 are arranged on the part of the air conditioner. During installation, the clamping structure 12 is clamped into a clamping groove of a component of the air conditioner, and then the bolt installation structure 13 is fixed by using a bolt.

The invention also provides an air conditioner which comprises the wireless communication equipment. By adopting the wireless communication equipment, the air conditioner has better lightning protection effect, and the wireless communication equipment can be adapted to the actual signal environment.

It should be noted that the air conditioner may be an air heater internal unit. When the wireless communication equipment is installed in the air heater inner unit, the installation position of the wireless communication equipment is preferably arranged at the air inlet and close to the grid position on the right side of the panel. The direction of the antenna faces the open grid at the right side of the air heater, and the antenna is matched with the internal machine structure. After the hot air blower is installed, the direction of the unit and the shielding situation near the antenna cannot be confirmed one by one. At the moment, the motor can rotate the antenna to search for the optimal angle of the communication signal, the condition of poor communication quality is avoided, and the purpose of optimizing the signal and ensuring the communication quality according to the actual scene of the hot air blower is achieved. The antenna is matched with an internal machine structure, is not shielded by metal, is far away from interference sources such as a power supply and a master control circuit, reasonably utilizes space, is less shielded than other positions, gives consideration to space and signal quality, and is favorable for the communication effect of an electric power peak regulation system.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wireless communication device, comprising:

a main housing (10), a circuit board (20) being disposed within the main housing (10);

the antenna (30) is installed outside the main shell (10) and is electrically connected with the circuit board (20), and the antenna (30) is attached to one surface of the main shell (10).

2. The wireless communication device of claim 1, wherein the main housing (10) includes a top surface, a bottom surface, and a side surface connected between the top surface and the bottom surface, the antenna (30) being attached to the side surface.

3. The wireless communication device of claim 2, wherein the sides include a long side and a wide side connected, and wherein the antenna (30) is attached to the long side.

4. A wireless communication device according to claim 3, wherein the main housing (10) has a rectangular parallelepiped shape.

5. The wireless communication device of claim 1, wherein the antenna (30) is rotatably mounted on the main housing (10).

6. The wireless communication device according to claim 5, further comprising a driving member (40), wherein the driving member (40) is disposed on the main housing (10) and is drivingly connected to the antenna (30) for driving the antenna (30) to rotate.

7. The wireless communication device according to claim 6, wherein the drive member (40) comprises a motor drivingly connected to the antenna (30).

8. The wireless communication device according to claim 7, wherein the drive member (40) further comprises a transmission mechanism connected between the motor and the antenna (30).

9. The wireless communication apparatus according to claim 6, wherein a mounting portion (11) is formed on the main housing (10), the driving member (40) is disposed in the mounting portion (11), and the antenna (30) is mounted on the mounting portion (11).

10. The wireless communication device of claim 5, wherein the antenna (30) comprises at least a first rotational position abutting one face of the main housing (10) and a second rotational position perpendicular to the one face of the main housing (10).

11. The wireless communication device according to claim 1, wherein the main housing (10) is formed with a snap structure (12), and the snap structure (12) is adapted to snap-fit with a component of an air conditioner.

12. The wireless communication device according to claim 1, wherein the main housing (10) is formed with a bolt mounting structure (13), and the bolt mounting structure (13) is used for passing a bolt to connect with a component of an air conditioner.

13. An air conditioner comprising a wireless communication device, wherein the wireless communication device is the wireless communication device of any one of claims 1 to 12.