CN214045614U - Bluetooth WiFi module - Google Patents
Bluetooth WiFi module Download PDFInfo
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- CN214045614U CN214045614U CN202022444666.XU CN202022444666U CN214045614U CN 214045614 U CN214045614 U CN 214045614U CN 202022444666 U CN202022444666 U CN 202022444666U CN 214045614 U CN214045614 U CN 214045614U
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Abstract
The Bluetooth WiFi module of the utility model is provided with the WiFi system and the Bluetooth system, and the WiFi system comprises the first ESD unit and the Bluetooth system comprises the second ESD unit, so that the ESD protection capability of the Bluetooth WiFi module is greatly improved, the Bluetooth WiFi module can be prevented from being damaged by high voltage formed by current generated by charge movement, and the safety and stability of the Bluetooth WiFi module are greatly improved; in addition, because the WiFi system includes first filtering unit, the bluetooth system includes the second filtering unit, can greatly improve the filtering capability of bluetooth WiFi module to improve the whole signal transceiver capability of bluetooth WiFi module.
Description
Technical Field
The utility model relates to a wireless signal receives and dispatches technical field, especially relates to a bluetooth wiFi module.
Background
The Internet, English is the Internet, also known as the international network, belongs to the media field. Refers to a huge network formed by connecting networks in series, wherein the networks are connected by a set of general protocols to form a logical single huge international network. The internet is not equivalent to the world wide web, which is a global system based on hypertext links and one of the services that the internet can provide.
If want to realize the interrelation between the electronic product, its general needs built-in bluetooth wiFi module, and bluetooth wiFi module is the link that is used for establishing to carry out data interaction between two electronic product, and bluetooth wiFi module is based on bluetooth communication technology and wiFi communication technology and makes out, and to current bluetooth wiFi module, it has following defect:
firstly, the existing bluetooth WiFi module is generally not provided with a corresponding ESD protection unit in consideration of the manufacturing cost, although the manufacturing cost is low, the working stability of the bluetooth WiFi module is not strong, and the bluetooth WiFi module is easily damaged by high voltage formed by current generated by charge movement, that is, the existing bluetooth WiFi module has poor stability;
second, current bluetooth wiFi module, it is weak to the ability of eliminating the clutter, no matter be the bluetooth signal of bluetooth part receiving and dispatching or the wiFi signal of wiFi part receiving and dispatching, do not all carry out corresponding filtering to it and handle, and then lead to the radio signal of receiving and dispatching to contain more clutter, finally influenced the whole signal transceiver ability of bluetooth wiFi module.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, provide a ESD protective capability is strong, can prevent to be removed the high-voltage damage that the electric current that produces formed by the electric charge, and the safety and stability is high, the bluetooth wiFi module that filtering capability is strong and whole signal receiving and dispatching ability is strong.
The purpose of the utility model is realized through the following technical scheme:
a bluetooth WiFi module, comprising:
the WiFi system comprises a WiFi chip and two WiFi transceiving modules, wherein in one WiFi transceiving module, the WiFi transceiving module comprises a matching unit, a first ESD unit, a first filtering unit and a WiFi antenna, the matching unit is respectively connected with the WiFi chip, the first ESD unit and the first filtering unit, the WiFi antenna is connected with the first ESD unit, and the first filtering unit is also used for being connected with an external power supply; and
the Bluetooth system comprises a BT chip, a second ESD unit, a second filtering unit and a BT antenna, wherein the BT chip is connected with the WiFi chip, the second ESD unit is respectively connected with the BT chip and the second filtering unit, and the BT antenna is connected with the second filtering unit.
In one embodiment, the matching unit includes a capacitor C36, a capacitor C32, a capacitor C5, a capacitor C31, an inductor L10, and an inductor L12, one end of the capacitor C36 and one end of the capacitor C32 are respectively connected to the WiFi chip, the other end of the capacitor C36 is respectively connected to one end of the capacitor C31 and one end of the inductor L10, the other end of the capacitor C31 is connected to the first ESD unit, the other end of the inductor L10 is grounded, the other end of the capacitor C32 is respectively connected to one end of the inductor L12 and one end of the capacitor C35, the other end of the inductor L12 is connected to the other end of the capacitor C31, the other end of the capacitor C35 is grounded, one end of the capacitor C5 is connected to the other end of the capacitor C36, and the other end of the capacitor C5 is connected to the other end of the capacitor C32.
In one embodiment, the first ESD unit includes an inductor L11, a capacitor C34, and an ESD tube D5, one end of the inductor L11 is connected to the other end of the capacitor C31, the other end of the inductor L11 is connected to the WiFi antenna, one end of the capacitor C34 is connected to one end of the inductor L11, the other end of the capacitor C34 is grounded, one end of the ESD tube D5 is connected to the other end of the inductor L11, and the other end of the ESD tube D5 is grounded.
In one embodiment, the first filtering unit includes an inductor L13, an inductor L14, a capacitor C42, and a capacitor C37, one end of the inductor L13 is connected to one end of the capacitor C32, the other end of the inductor L13 is configured to be connected to an external power supply, one end of the inductor L14 is connected to one end of the capacitor C36, the other end of the inductor L14 is connected to the other end of the inductor L13, one end of the capacitor C42 is connected to the other end of the inductor L13, the other end of the capacitor C42 is grounded, one end of the capacitor C37 is connected to the other end of the inductor L14, and the other end of the capacitor C37 is grounded.
In one embodiment, the second ESD unit includes an inductor L5, a capacitor C48, and an ESD tube D6, one end of the inductor L5 is connected to the BT chip, the other end of the inductor L5 is connected to the second filtering unit, one end of the capacitor C48 is connected to one end of the inductor L5, the other end of the capacitor C48 is grounded, one end of the ESD tube D6 is connected to the other end of the inductor L5, and the other end of the ESD tube D6 is grounded.
In one embodiment, the second filtering unit is a capacitor C45, one end of the capacitor C45 is connected to the other end of the inductor L5, and the other end of the capacitor C45 is connected to the BT antenna.
The utility model discloses compare in prior art's advantage and beneficial effect as follows:
the Bluetooth WiFi module of the utility model is provided with the WiFi system and the Bluetooth system, and the WiFi system comprises the first ESD unit and the Bluetooth system comprises the second ESD unit, so that the ESD protection capability of the Bluetooth WiFi module is greatly improved, the Bluetooth WiFi module can be prevented from being damaged by high voltage formed by current generated by charge movement, and the safety and stability of the Bluetooth WiFi module are greatly improved; in addition, because the WiFi system includes first filtering unit, the bluetooth system includes the second filtering unit, can greatly improve the filtering capability of bluetooth WiFi module to improve the whole signal transceiver capability of bluetooth WiFi module.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic diagram of a module structure of a bluetooth WiFi module according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a WiFi transceiver module according to an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a second ESD unit and a second filtering unit according to an embodiment of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, a bluetooth WiFi module 10 includes a WiFi system 100 and a bluetooth system 200.
Thus, it should be noted that the WiFi system 100 plays a role of transceiving WiFi signals; the bluetooth system 200 functions to transmit and receive bluetooth signals.
Referring to fig. 1, the WiFi system 100 includes a WiFi chip 110 and two WiFi transceiver modules 120, in one WiFi transceiver module 120, the WiFi transceiver module 120 includes a matching unit 121, a first ESD unit 122, a first filtering unit 123 and a WiFi antenna 124, the matching unit 121 is respectively connected to the WiFi chip 110, the first ESD unit 122 and the first filtering unit 123, the WiFi antenna 124 is connected to the first ESD unit 122, and the first filtering unit 123 is further configured to be connected to an external power source.
Referring to fig. 1, the bluetooth system 200 includes a BT chip 210, a second ESD unit 220, a second filtering unit 230, and a BT antenna 240, wherein the BT chip 210 is connected to the WiFi chip 110, the second ESD unit 220 is respectively connected to the BT chip 210 and the second filtering unit 230, and the BT antenna 240 is connected to the second filtering unit 230.
Thus, it should be noted that, by providing the WiFi system 100 and the bluetooth system 200, since the WiFi system 100 includes the first ESD unit 122 and the bluetooth system 200 includes the second ESD unit 220, the ESD protection capability of the bluetooth WiFi module 10 is greatly improved, the bluetooth WiFi module 10 can be prevented from being damaged by high voltage formed by current generated by charge movement, so that the safety and stability of the bluetooth WiFi module 10 are greatly improved; in addition, since the WiFi system 100 includes the first filtering unit 123 and the bluetooth system 200 includes the second filtering unit 230, the filtering capability of the bluetooth WiFi module 10 can be greatly improved, so as to improve the overall signal transceiving capability of the bluetooth WiFi module 10.
Further, referring to fig. 2, in an embodiment, the matching unit 121 includes a capacitor C36, a capacitor C32, a capacitor C5, a capacitor C31, an inductor L10, and an inductor L12, one end of the capacitor C36 and one end of the capacitor C32 are respectively connected to the WiFi chip 110, the other end of the capacitor C36 are respectively connected to one end of a capacitor C31 and one end of an inductor L10, the other end of the capacitor C31 is connected to the first ESD unit 122, the other end of the inductor L10 is grounded, the other end of the capacitor C32 is respectively connected to one end of the inductor L12 and one end of the capacitor C35, the other end of the inductor L12 is connected to the other end of the capacitor C31, the other end of the capacitor C35 is grounded, one end of the capacitor C5 is connected to the other end of the capacitor C36, and the other end of the capacitor C5 is connected to the other end of the capacitor C32.
Thus, it should be noted that the capacitor C36, the capacitor C32, the capacitor C5, the capacitor C31, the inductor L10 and the inductor L12 form a matching network, and are used for cooperating with the WiFi chip 110 to receive and transmit WiFi signals.
Further, referring to fig. 2 again, in an embodiment, the first ESD unit 122 includes an inductor L11, a capacitor C34, and an ESD tube D5, one end of the inductor L11 is connected to the other end of the capacitor C31, the other end of the inductor L11 is connected to the WiFi antenna 124, one end of the capacitor C34 is connected to one end of the inductor L11, the other end of the capacitor C34 is grounded, one end of the ESD tube D5 is connected to the other end of the inductor L11, and the other end of the ESD tube D5 is grounded.
So, it should be noted that, the setting of ESD pipe D5 is used for improving the ESD protective properties of bluetooth WiFi module, prevents that bluetooth WiFi module 10 from being damaged by the high pressure that the electric current that the charge removes the production formed for bluetooth WiFi module 10's safety and stability improves greatly.
Further, referring to fig. 2 again, in an embodiment, the first filtering unit 123 includes an inductor L13, an inductor L14, a capacitor C42, and a capacitor C37, one end of the inductor L13 is connected to one end of the capacitor C32, the other end of the inductor L13 is used to be connected to an external power supply, one end of the inductor L14 is connected to one end of the capacitor C36, the other end of the inductor L14 is connected to the other end of the inductor L13, one end of the capacitor C42 is connected to the other end of the inductor L13, the other end of the capacitor C42 is grounded, one end of the capacitor C37 is connected to the other end of the inductor L14, and the other end of the capacitor C37 is grounded.
Therefore, it should be noted that the inductor L13, the inductor L14, the capacitor C42, and the capacitor C37 form a filter network for eliminating clutter in the received and transmitted WiFi signal, so as to improve the overall signal receiving and transmitting capability of the bluetooth WiFi module.
Further, referring to fig. 3, in an embodiment, the second ESD unit 220 includes an inductor L5, a capacitor C48, and an ESD tube D6, one end of the inductor L5 is connected to the BT chip 210, the other end of the inductor L5 is connected to the second filtering unit 230, one end of the capacitor C48 is connected to one end of the inductor L5, the other end of the capacitor C48 is grounded, one end of the ESD tube D6 is connected to the other end of the inductor L5, and the other end of the ESD tube D6 is grounded.
So, it should be noted that, the setting of ESD pipe D6 is used for improving the ESD protective properties of bluetooth WiFi module, prevents that bluetooth WiFi module 10 from being damaged by the high pressure that the electric current that the charge removes the production formed for bluetooth WiFi module 10's safety and stability improves greatly.
Further, referring to fig. 3 again, in an embodiment, the second filtering unit 230 is a capacitor C45, one end of the capacitor C45 is connected to the other end of the inductor L5, and the other end of the capacitor C45 is connected to the BT antenna.
Thus, it should be noted that the capacitor C45 functions as a filter for eliminating noise in the transmitted and received bluetooth signal.
The Bluetooth WiFi module of the utility model is provided with the WiFi system and the Bluetooth system, and the WiFi system comprises the first ESD unit and the Bluetooth system comprises the second ESD unit, so that the ESD protection capability of the Bluetooth WiFi module is greatly improved, the Bluetooth WiFi module can be prevented from being damaged by high voltage formed by current generated by charge movement, and the safety and stability of the Bluetooth WiFi module are greatly improved; in addition, because the WiFi system includes first filtering unit, the bluetooth system includes the second filtering unit, can greatly improve the filtering capability of bluetooth WiFi module to improve the whole signal transceiver capability of bluetooth WiFi module.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. A Bluetooth WiFi module, comprising:
the WiFi system comprises a WiFi chip and two WiFi transceiving modules, wherein in one WiFi transceiving module, the WiFi transceiving module comprises a matching unit, a first ESD unit, a first filtering unit and a WiFi antenna, the matching unit is respectively connected with the WiFi chip, the first ESD unit and the first filtering unit, the WiFi antenna is connected with the first ESD unit, and the first filtering unit is also used for being connected with an external power supply; and
the Bluetooth system comprises a BT chip, a second ESD unit, a second filtering unit and a BT antenna, wherein the BT chip is connected with the WiFi chip, the second ESD unit is respectively connected with the BT chip and the second filtering unit, and the BT antenna is connected with the second filtering unit.
2. The Bluetooth WiFi module of claim 1, wherein the matching unit comprises a capacitor C36, a capacitor C32, a capacitor C5, a capacitor C31, an inductor L10 and an inductor L12, one end of the capacitor C36 and one end of the capacitor C32 are respectively connected with the WiFi chip, the other end of the capacitor C36 is connected to one end of the capacitor C31 and one end of the inductor L10 respectively, the other end of the capacitor C31 is connected to the first ESD unit, the other end of the inductor L10 is grounded, the other end of the capacitor C32 is connected to one end of the inductor L12 and one end of the capacitor C35 respectively, the other end of the inductor L12 is connected with the other end of the capacitor C31, the other end of the capacitor C35 is grounded, one end of the capacitor C5 is connected to the other end of the capacitor C36, and the other end of the capacitor C5 is connected to the other end of the capacitor C32.
3. The bluetooth WiFi module of claim 2, wherein the first ESD unit includes an inductor L11, a capacitor C34 and an ESD tube D5, one end of the inductor L11 is connected to the other end of the capacitor C31, the other end of the inductor L11 is connected to the WiFi antenna, one end of the capacitor C34 is connected to one end of the inductor L11, the other end of the capacitor C34 is grounded, one end of the ESD tube D5 is connected to the other end of the inductor L11, and the other end of the ESD tube D5 is grounded.
4. The bluetooth WiFi module of claim 2, wherein the first filtering unit includes an inductor L13, an inductor L14, a capacitor C42 and a capacitor C37, one end of the inductor L13 is connected to one end of the capacitor C32, the other end of the inductor L13 is used to connect to an external power source, one end of the inductor L14 is connected to one end of the capacitor C36, the other end of the inductor L14 is connected to the other end of the inductor L13, one end of the capacitor C42 is connected to the other end of the inductor L13, the other end of the capacitor C42 is grounded, one end of the capacitor C37 is connected to the other end of the inductor L14, and the other end of the capacitor C37 is grounded.
5. The bluetooth WiFi module of claim 1, wherein the second ESD unit includes an inductor L5, a capacitor C48 and an ESD tube D6, one end of the inductor L5 is connected to the BT chip, the other end of the inductor L5 is connected to the second filtering unit, one end of the capacitor C48 is connected to one end of the inductor L5, the other end of the capacitor C48 is grounded, one end of the ESD tube D6 is connected to the other end of the inductor L5, and the other end of the ESD tube D6 is grounded.
6. The Bluetooth WiFi module as claimed in claim 5, wherein the second filtering unit is a capacitor C45, one end of the capacitor C45 is connected to the other end of the inductor L5, and the other end of the capacitor C45 is connected to the BT antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022444666.XU CN214045614U (en) | 2020-10-28 | 2020-10-28 | Bluetooth WiFi module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022444666.XU CN214045614U (en) | 2020-10-28 | 2020-10-28 | Bluetooth WiFi module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214045614U true CN214045614U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022444666.XU Active CN214045614U (en) | 2020-10-28 | 2020-10-28 | Bluetooth WiFi module |
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| CN (1) | CN214045614U (en) |
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- 2020-10-28 CN CN202022444666.XU patent/CN214045614U/en active Active
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Address after: 516006 No.2, JINDA Road, Huinan hi tech Industrial Park, huiao Avenue, Huizhou City, Guangdong Province Patentee after: Huizhou Gaoshengda Technology Co.,Ltd. Address before: 516006 No.2, JINDA Road, Huinan hi tech Industrial Park, huiao Avenue, Huizhou City, Guangdong Province Patentee before: HUIZHOU GAOSHENGDA TECHNOLOGY Co.,Ltd. |