CN214477883U - WiFi device and intelligent networking car suitable for intelligent networking terminal - Google Patents
WiFi device and intelligent networking car suitable for intelligent networking terminal Download PDFInfo
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- CN214477883U CN214477883U CN202120537994.6U CN202120537994U CN214477883U CN 214477883 U CN214477883 U CN 214477883U CN 202120537994 U CN202120537994 U CN 202120537994U CN 214477883 U CN214477883 U CN 214477883U
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Abstract
The utility model provides a pair of wiFi device and intelligent networking car suitable for intelligent networking terminal replaces current external antenna through using ordinary wire for launch wiFi signal can enough satisfy the application demand to wiFi in the vehicle environment, has reduced the manufacturing cost of wiFi device in the intelligent networking terminal simultaneously.
Description
Technical Field
The utility model relates to an on-vehicle multimedia technology field especially relates to a wiFi device and intelligent networking car suitable for intelligent networking terminal.
Background
WiFi is as the essential function of intelligent networking terminal (on-vehicle multimedia equipment), can let user's smart mobile phone and the intelligent networking terminal on the vehicle link to each other and communicate to realize the information interaction between smart mobile phone and the vehicle.
Most of antennas in the WiFi device of the existing smart network terminal are external antennas, such as rod antennas or copper tube antennas, and a radio frequency SMA (sub miniature version a) antenna socket needs to be installed on a motherboard of the smart network terminal, and an SMA connector matching the antenna socket needs to be installed at a connector of the external antenna and the radio frequency SMA antenna socket. When the WiFi device is installed, the external antenna is installed on the radio frequency SMA antenna socket through the SMA connector, and WiFi signals are transmitted through the external antenna.
An SMA connector needs to be installed on an external antenna in a WiFi device of an existing intelligent network connection terminal, and the external antenna needs to be connected with the WiFi device through a radio frequency SMA antenna socket, so that the problem that the production cost of the WiFi device is high exists.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wiFi device and intelligent networking car suitable for intelligent networking terminal for external antenna needs to install SMA and connects in the wiFi device of solving current intelligent networking terminal, and need be connected with the wiFi device through radio frequency SMA antenna socket, there is the higher problem of wiFi device manufacturing cost, realized replacing current external antenna through using ordinary wire, be used for launching the wiFi signal, can enough satisfy the application demand to wiFi in the vehicle environment, the manufacturing cost of wiFi device in the intelligent networking terminal has been reduced simultaneously.
On one hand, the utility model provides a WiFi device suitable for intelligent network connection terminal, which comprises a metal wire and a WiFi module arranged on the mainboard of the intelligent network connection terminal;
one end of the metal wire is connected with the WiFi module, so that the WiFi module transmits WiFi signals through the metal wire, and the other end of the metal wire is exposed.
Furthermore, one end of the metal wire is welded on the intelligent network connection terminal mainboard and is connected with the WiFi module through the intelligent network connection terminal mainboard;
or the metal wire is connected with the WiFi module through a pluggable interface provided by the connecting component; wherein, coupling assembling sets up on the intelligent networking terminal mainboard and with the wiFi module is connected.
Further, the connection assembly includes at least one antenna receptacle;
when the metal wire is inserted into the pluggable interface of the antenna socket, the metal wire is connected with the WiFi module.
Further, the antenna socket includes at least one flex socket, and the pluggable interface is formed based on a PIN of the flex socket.
Furthermore, the metal wire is inserted into the pluggable interface in a tail form and is connected with the PIN of the flat cable socket.
Further, the length of the metal wire is half the wavelength of the WiFi signal.
Further, the length of the metal wire is 6.1 cm.
Further, the metal wire is externally wrapped by an insulating layer.
Further, the frequency of the WiFi signal transmitted by the WiFi module through the metal wire is 2.4 GHz.
On the other hand, the utility model provides an intelligence networking car, including the aforesaid a wiFi device suitable for intelligence networking terminal.
The utility model provides a pair of wiFi device and intelligent networking car suitable for intelligent networking terminal replaces current external antenna through using ordinary wire for launch wiFi signal can enough satisfy the application demand to wiFi in the vehicle environment, has reduced the manufacturing cost of wiFi device in the intelligent networking terminal simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a WiFi device in an existing intelligent networking terminal provided by the present invention;
fig. 2 is a schematic structural diagram of a WiFi device using a metal wire as a WiFi antenna provided by the present invention;
fig. 3 is a schematic structural diagram of a WiFi device with a flat cable socket using a metal wire as a WiFi antenna.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
First, a WiFi device in an existing smart networking terminal will be explained.
Fig. 1 is the utility model provides a WiFi device's among current intelligent networking terminal structural schematic diagram. Referring to fig. 1, most of WiFi antennas of the existing smart networking terminals are external antennas (such as rod antennas or copper tube antennas), and are installed at a radio frequency SMA antenna socket on the back of the smart networking terminal, which results in higher production cost of the WiFi device.
Furthermore, the intelligent network terminal is applied to the vehicle environment, is usually installed at the position of a center console of a passenger car and is close to a driver and people in the passenger car, so that the performance requirement of the equipment on the WiFi antenna is low, and the possibility is provided for the use of the WiFi antenna with low cost and general performance.
The following is the utility model provides a wiFi device suitable for intelligent networking terminal describes.
On one hand, the utility model provides a WiFi device suitable for intelligent network connection terminal, which comprises a metal wire and a WiFi module arranged on the mainboard of the intelligent network connection terminal;
one end of the metal wire is connected with the WiFi module, so that the WiFi module transmits WiFi signals through the metal wire, and the other end of the metal wire is exposed.
Fig. 2 is a schematic structural diagram of a WiFi device using a metal wire as a WiFi antenna provided by the present invention. Referring to fig. 2, the metal wire acts as a conductor and, in certain cases, as an antenna to transmit a signal. Compared with the existing external antenna, when the metal wire is used as the antenna, the transmission distance of the transmitted WiFi signal is short; but to the wiFi device in the intelligent networking terminal, the car space is less, and the personnel that use wiFi are nearer apart from the wiFi device, use metal wire as the antenna of wiFi device also can satisfy the wiFi user demand of personnel in the car.
The metal wire is used as an antenna of the WiFi device, the metal wire is directly connected with the WiFi module, the WiFi module can directly transmit WiFi signals through the metal wire after receiving instructions of the main control part, a special joint does not need to be installed on the metal wire, a socket does not need to be installed on a mainboard of the intelligent network connection terminal, and production cost of WiFi equipment is reduced.
The WiFi module arranged on the intelligent network terminal mainboard can transmit WiFi signals through the metal wires according to instructions of the intelligent network terminal main control part. In the present embodiment, when the metal wire is used as the antenna, the material and shape of the metal wire are not specifically required.
The utility model provides a pair of wiFi device suitable for intelligent networking terminal replaces current external antenna through using ordinary wire for the transmission wiFi signal can enough satisfy the application demand to wiFi in the vehicle environment, has reduced the manufacturing cost of wiFi device in the intelligent networking terminal simultaneously.
Further, on the basis of the above embodiment, one end of the metal wire is welded to the intelligent network connection terminal main board, and is connected to the WiFi module through the intelligent network connection terminal main board;
or the metal wire is connected with the WiFi module through a pluggable interface provided by the connecting component; wherein, coupling assembling sets up on the intelligent networking terminal mainboard and with the wiFi module is connected.
In the WiFi device, can directly be connected the metal wire with the WiFi module, through with the one end welding of metal wire on the mainboard at intelligent networking terminal, for example on the corresponding pad of welding on the on-vehicle PCB mainboard, through the circuit on the mainboard at intelligent networking terminal, be connected metal wire and WiFi module.
Specifically, other components, such as a resistor, may be added to the pad to limit the current in the WiFi device, so as to protect the circuit.
In the concrete production assembling process of wiFi device, when with metal wire lug weld on the mainboard at intelligent networking terminal, because the metal wire as the wiFi antenna is longer, when assembling intelligent networking terminal, the metal wire of welding on the mainboard can influence the progress of assembly, consequently, can set up a coupling assembling that has the plug interface for metal wire on the mainboard for connect wiFi module and metal wire.
Before the WiFi device in the intelligent network connection terminal is assembled, a metal wire is not inserted into the connecting component, so that the WiFi device is convenient to mount; after the WiFi device is installed on the intelligent networking terminal, the metal wire is inserted into the connecting component, and the integrity of the WiFi device is ensured. In the use of wiFi device, if discover that wiFi antenna (metal wire promptly) damages, when unable transmission satisfies user's demand's wiFi signal, can change the wiFi antenna through extracting the metal wire in the coupling assembling, simplified the repair process of wiFi antenna.
In the embodiment, one end of the metal wire is welded on the mainboard of the intelligent network terminal, so that the metal wire can be directly connected with the WiFi module, and a WiFi signal meeting the requirements of users is transmitted through the metal wire; the metal wire and the WiFi module are connected through the connecting component with the pluggable interface, and the metal wire is inserted after the WiFi device is assembled during production, so that the assembling speed is increased; meanwhile, the repair process of the WiFi antenna is simplified through the pluggable interface of the connecting component.
Further, on the basis of the above embodiment, the connection assembly includes at least one antenna socket;
when the metal wire is inserted into the pluggable interface of the antenna socket, the metal wire is connected with the WiFi module.
Specifically, the connecting component with the pluggable interface arranged on the intelligent network terminal mainboard at least comprises an antenna socket, one end of the antenna socket is connected with the WiFi module, and the other end of the antenna socket is used for being connected with the metal wire; when the metal wire is inserted into the antenna socket, the metal wire is connected with the WiFi module and used as a WiFi antenna to transmit WiFi signals.
The WiFi device can add a plurality of antenna sockets in coupling assembling in the use, and insert a plurality of metal conductors and regard as WiFi antenna transmission WiFi signal jointly, can increase the intensity of the WiFi signal of launching to a certain extent.
In this embodiment, through using antenna socket as coupling assembling, can be connected metal conductor and wiFi module, through the quantity of metal conductor in the control antenna socket, can adjust the intensity of the wiFi signal of launching.
Further, on the basis of the above embodiment, the antenna socket includes at least one flat cable socket, and the pluggable interface is formed based on the PIN of the flat cable socket.
Fig. 3 is a schematic structural diagram of a WiFi device with a flat cable socket using a metal wire as a WiFi antenna. Referring to fig. 3, a backboard flat cable socket is arranged on a mainboard, so that when the intelligent network connection terminal is assembled, a metal wire is not inserted into a PIN of the flat cable socket, the condition that the assembly progress of the intelligent network connection terminal is affected by the inserted metal wire is avoided, and after the intelligent network connection terminal is assembled, the metal wire is inserted into the PIN of the flat cable socket, so that the WiFi signal is transmitted.
Specifically, when the flat cable socket is used as an antenna socket, the flat cable socket of the backboard can comprise a plurality of PIN PINs, the PIN PINs are used as jacks, and one or more jacks can be used for inserting metal wires; when other functions are required to be added, corresponding devices can be inserted into redundant jacks, and the expansibility of the intelligent networking terminal can be improved.
In the embodiment, the flat cable socket is used as the connecting component, so that the production cost of the WiFi device can be further reduced; as the redundant PIN is used as the jack, more functional devices can be accessed, and the expansibility of the intelligent internet terminal is improved.
Further, on the basis of the above embodiment, the metal wires are inserted into the pluggable interface in a tail form and connected with the PIN PINs of the flat cable socket.
When inserting the metal wire in the plug interface of winding displacement socket with the tail form, can connect metal wire in the winding displacement socket firmly, when the vehicle traveles in the relatively poor highway section of road conditions, male metal wire can not become flexible or drop because of rocking to the stability of wiFi signal has been guaranteed.
Specifically, when the WiFi device is assembled, the WiFi device may be installed in the vehicle center console. When intelligence networking terminal was applied to in the vehicle environment, installed the central console position at the vehicle usually, wherein the central console is nearer apart from driver and interior personnel, also can not influence personnel's use when the wiFi signal that the wiFi antenna sent is weak slightly, therefore intelligence networking terminal is lower to wiFi antenna performance requirement. The metal wire is used as the WiFi antenna, so that the production cost of the WiFi device in the intelligent network terminal is reduced on the basis of meeting the application requirement on WiFi in the vehicle environment.
Further, on the basis of the above embodiment, the length of the metal wire is a half wavelength of the WiFi signal.
When transmitting signals, the length of the antenna is set to be half of the signal wavelength, and when the antenna is correctly designed and installed, stable signals can be emitted.
In this embodiment, according to the wavelength of the wiFi signal that the wiFi device launches, can confirm the length of metal wire more simply, have the advantage that the preparation principle is simple, the signal is stable.
Further, on the basis of the above embodiment, the length of the metal wire is 6.1 cm.
In the WiFi signal frequency band commonly used at present, a 2.4GHz frequency band is generally used, a typical wavelength of a WiFi signal in the frequency band in air is 12.2cm, a half-wavelength metal wire is adopted as an antenna, that is, the length of the metal wire is 6.1 cm.
Because in different environments, the wavelength of the signal in the same frequency band may vary with the environment. Specifically, when the temperature and humidity of the air inside the vehicle change, the wavelength of the signal sent by the WiFi device also changes by a small amplitude. Therefore, when a metal wire is actually used as an antenna, the length of the antenna can be set within a range of 6.1 ± 0.5 cm. Although the length of the antenna is not equal to the half wavelength of the WiFi signal sent by the WiFi module, the normal use of the personnel cannot be influenced by the loss of the WiFi signal strength caused by the fact that the inner space of the vehicle is small and the personnel are close to the WiFi device.
In this embodiment, the length that sets up metal wire is 6.1cm, when guaranteeing that the wiFi signal intensity of transmission satisfies the demand, also can carry out appropriate adjustment to metal wire's length according to specific service environment, is favorable to the production process of actual wiFi device.
Further, on the basis of the above embodiment, the metal wire is externally wrapped by an insulating layer.
When using metal wire as the antenna of wiFi device, when metal wire is naked metal wire, if metal wire contacts the metal casing in the vehicle, can lead to metal wire can't go out wiFi signal transmission, influence personnel to wiFi's use. Therefore, an insulating layer is required to be added on the outside of the metal wire. When the metal wire vibrates due to poor road conditions, the WiFi signal cannot be transmitted due to the fact that the metal wire touches a metal shell or other metal devices of the vehicle-mounted multimedia system.
The insulating layer can be made of plastic or other materials with insulating effect and without influence on WiFi signal emission.
In this embodiment, through wrap up a layer of insulating layer in the metal wire outside, the vehicle is in the operation in-process, although metal wire can shake and contact with other metal device, still can ensure the normal transmission of wiFi signal to and the normal use of personnel in the car to wiFi.
Further, on the basis of the above embodiment, the frequency of the WiFi signal transmitted by the WiFi module through the metal wire is 2.4 GHz.
In this embodiment, the frequency of wiFi signal is 2.4GHz, has that the interference killing feature is strong, the transmission is stable characteristics, directly is connected with the wiFi module through the metal wire, has further improved bluetooth signal's stability.
Specifically, the embodiment of the utility model provides a wiFi antenna design suitable for intelligent networking terminal, include:
(1) the WiFi of the intelligent network terminal generally works in a 2.4GHz frequency band, the typical wavelength of the WiFi in air transmission is 12.2cm, a half-wavelength antenna can be adopted usually, namely, a conductor with the length of about 6.1cm can be used as the WiFi antenna;
the intelligent network terminal is applied to the vehicle environment, is usually installed at the position of a center console of a passenger car and is close to a driver and personnel in the passenger car, so that the performance requirement of the equipment on the WiFi antenna is low, and the possibility is provided for the use of the WiFi antenna with low cost and general performance.
(2) The utility model adopts a 6.1cm long common metal wire as a WiFi antenna, which can be welded on a corresponding pad of a mainboard PCB during specific installation, and can also be fixed at a socket at the back of a host in a tail form, which is recommended by the design to adopt the tail form and facilitate practical operation;
it should be noted that a 6.1cm long metal wire cannot directly exist in the form of an external leakage copper wire, so that the metal wire is easy to contact with a metal shell to cause that copper wire grounding cannot radiate a WiFi signal, and the outer layer of the copper wire is generally wrapped by a plastic insulating layer.
The utility model provides a wiFi antenna design method suitable for intelligent networking terminal adopts the long wire of 6.1cm to replace ordinary wiFi antenna, can effectively practice thrift equipment cost.
On the other hand, this embodiment provides an intelligent networking car, including foretell a wiFi device suitable for intelligent networking terminal.
This embodiment provides an intelligence networking car, and this intelligence networking car includes the wiFi device that is applicable to intelligent networking terminal, replaces current external antenna through using ordinary wire for the transmission wiFi signal can enough satisfy the application demand to wiFi in the vehicle environment, has reduced the manufacturing cost of wiFi device in the intelligent networking terminal simultaneously.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A WiFi device suitable for an intelligent network terminal is characterized by comprising a metal wire and a WiFi module arranged on a mainboard of the intelligent network terminal;
one end of the metal wire is connected with the WiFi module, so that the WiFi module transmits WiFi signals through the metal wire, and the other end of the metal wire is exposed.
2. The WiFi device suitable for the intelligent networking terminal of claim 1,
one end of the metal wire is welded on the intelligent network connection terminal mainboard and is connected with the WiFi module through the intelligent network connection terminal mainboard;
or the metal wire is connected with the WiFi module through a pluggable interface provided by the connecting component; wherein, coupling assembling sets up on the intelligent networking terminal mainboard and with the wiFi module is connected.
3. The WiFi device suitable for the intelligent networking terminal of claim 2, wherein the connection component comprises at least one antenna socket;
when the metal wire is inserted into the pluggable interface of the antenna socket, the metal wire is connected with the WiFi module.
4. The WiFi device suitable for the smart internet terminal of claim 3, wherein the antenna socket comprises at least one flat cable socket, and the pluggable interface is formed based on a PIN of the flat cable socket.
5. The WiFi device suitable for the smart internet terminal of claim 4, wherein the metal wires are inserted into the pluggable interface in a tail form and connected with the PIN PINs of the flat cable socket.
6. The WiFi device suitable for the intelligent networking terminal of claim 1, wherein the length of the metal wire is a half wavelength of the WiFi signal.
7. The WiFi device suitable for the intelligent networking terminal of claim 6, wherein the metal wire is 6.1cm in length.
8. The WiFi device suitable for the intelligent networking terminal of claim 1, wherein the metal wire is externally wrapped by an insulating layer.
9. The WiFi device suitable for the intelligent networking terminal of claim 1, wherein the WiFi module transmits a WiFi signal with a frequency of 2.4GHz through the metal wire.
10. An intelligent networking automobile, characterized by comprising a WiFi device suitable for an intelligent networking terminal according to any one of the above claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120537994.6U CN214477883U (en) | 2021-03-15 | 2021-03-15 | WiFi device and intelligent networking car suitable for intelligent networking terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120537994.6U CN214477883U (en) | 2021-03-15 | 2021-03-15 | WiFi device and intelligent networking car suitable for intelligent networking terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214477883U true CN214477883U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120537994.6U Active CN214477883U (en) | 2021-03-15 | 2021-03-15 | WiFi device and intelligent networking car suitable for intelligent networking terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214477883U (en) |
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2021
- 2021-03-15 CN CN202120537994.6U patent/CN214477883U/en active Active
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