CN204578532U - Based on the Zigbee module of UFL external antenna type or sniffer days line styles - Google Patents
Based on the Zigbee module of UFL external antenna type or sniffer days line styles Download PDFInfo
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- CN204578532U CN204578532U CN201520331407.2U CN201520331407U CN204578532U CN 204578532 U CN204578532 U CN 204578532U CN 201520331407 U CN201520331407 U CN 201520331407U CN 204578532 U CN204578532 U CN 204578532U
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- sniffer
- zigbee module
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Abstract
The utility model discloses the Zigbee module based on UFL external antenna type or sniffer days line styles.Comprise control chip U1, the power amplifier chip U2 be connected with control chip U1 by the first matched filtering circuit, the antenna be connected with power amplifier chip U2 by the second matched filtering circuit; Described antenna is sniffer antenna or UFL external antenna.The utility model exports being optimized of the match circuit received by radio frequency signal, the communication signal strength solving the current Zigbee module based on Texas Instrument (TI) CC2530 chip solution is poor, cause communication distance not far, penetrate thing ability is weak, well can not carry out the problem communicated, relative to similar Zigbee module on the market, radio-frequency (RF) signal strength strengthens 10 ~ 15dbm, sniffer antenna face-to-face communication distance increases by 300 ~ 500 meters, UFL external antenna face-to-face communication distance increases by 500 ~ 800 meters, the ability of penetrate thing strengthens greatly, communication performance strengthens greatly, obtain good communication efficiency, be applicable to very much large-scale promotion to use.
Description
Technical field
The utility model relates to the Zigbee module based on UFL external antenna type or sniffer days line styles, belongs to wireless communication field.
Background technology
ZigBee, as a kind of emerging short-distance wireless communication technology, is one of key technology of Internet of Things, just effectively promotes the development of Internet of Things.ZigBee is being applied to wireless monitor and controlling the global wireless communication standard applied based on IEEE 802.15.4 standard, emphasize to be simple and easy to, closely, low rate, low-power consumption (long battery life) and extremely cheap market orientation, the fields such as environment measuring, Industry Control, Smart Home, intelligent medical, reading intelligent agriculture, intelligent transportation, consumer electronics and Long-distance Control can be widely used in.
At present, there is lower planar defect based on the Zigbee module of Texas Instrument (TI) CC2530 chip solution on the market: communication signal strength is poor, causes communication distance not far, and penetrate thing ability is weak, can not well communicate.
Utility model content
The purpose of this utility model is the Zigbee module provided based on UFL external antenna type or sniffer days line styles, solve existing Zigbee module communication signal strength poor, cause communication distance not far, penetrate thing ability is weak, well can not carry out the problem communicated.
To achieve these goals, the technical solution adopted in the utility model is as follows:
Based on the Zigbee module of UFL external antenna type or sniffer days line styles, comprise control chip U1, by the power amplifier chip U2 that the first matched filtering circuit is connected with control chip U1, the antenna be connected with power amplifier chip U2 by the second matched filtering circuit; Described antenna is sniffer antenna or UFL external antenna.
Particularly, described control chip U1 is CC2530, and described power amplifier chip U2 is CC2591.
Further, described first matched filtering circuit is connected with the radio frequency output port of CC2530, and the UART serial ports input of CC2530 is also connected with the serial port terminal of PC.Also be connected with USB between PC and control chip CC2530 and turn serial port circuit.
As preferably, the electric capacity C15 that the first matched filtering circuit is connected with the PF_P port of CC2530 after comprising series connection and electric capacity C14, one end to be connected between electric capacity C15 and electric capacity C14 and the inductance L 3 of other end ground connection; The electric capacity C16 that is connected with the PF_N port of CC2530 and electric capacity C17 after series connection, one end to be connected between electric capacity C16 and electric capacity C17 and the inductance L 4 of other end ground connection, and electric capacity C14 and electric capacity C17 are connected with the PF_P port of CC2591 and PF_N port respectively.
As preferably, described second matched filtering circuit comprises and connects the rear inductance L 6, electric capacity C22, the inductance L 7 that are connected with the ANT port of CC2591 in turn, one end to be connected between inductance L 6 and electric capacity C22 and the electric capacity C26 of other end ground connection, one end to be connected between electric capacity C22 and inductance L 7 and the inductance L 8 of other end ground connection and electric capacity C23, and inductance L 7 is connected with antenna.
In addition, described CC2530 outside is also connected with clock circuit, and inside has ISM band modulation circuit.Electrification reset, JTAG debugging, IO expanded function can be completed.
The utility model compared with prior art, has the following advantages and beneficial effect:
The utility model exports being optimized of the match circuit received by radio frequency signal, the communication signal strength solving the current Zigbee module based on Texas Instrument (TI) CC2530 chip solution is poor, cause communication distance not far, penetrate thing ability is weak, well can not carry out the problem communicated, relative to similar Zigbee module on the market, radio-frequency (RF) signal strength strengthens 10 ~ 15dbm, sniffer antenna face-to-face communication distance increases by 300 ~ 500 meters, UFL external antenna face-to-face communication distance increases by 500 ~ 800 meters, the ability of penetrate thing strengthens greatly, communication performance strengthens greatly, obtain good communication efficiency, be applicable to very much large-scale promotion to use.
Accompanying drawing explanation
The system block diagram of Fig. 1 the utility model-embodiment.
The circuit theory diagrams of Fig. 2 the utility model-the first matched filtering circuit and the second matched filtering circuit.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, and execution mode of the present utility model includes but not limited to the following example.
Embodiment
As depicted in figs. 1 and 2, based on the Zigbee module of UFL external antenna type or sniffer days line styles, comprise control chip CC2530, by the power amplifier chip CC2591 that the first matched filtering circuit is connected with control chip CC2530, by the antenna that the second matched filtering circuit is connected with power amplifier chip CC2591, in the present embodiment, antenna is by the external antenna of UFL port.
In the present embodiment, the first matched filtering circuit is connected with the radio frequency output port of control chip CC2530, and the UART serial ports input of control chip CC2530 is also connected with the serial port terminal of PC.
In the present embodiment, be also connected with USB between PC and control chip CC2530 and turn serial port circuit.
In the present embodiment, first matched filtering circuit and the second matched filtering circuit also make following improvement for prior art, be specially: the first matched filtering circuit comprises the electric capacity C15 that is connected with the PF_P port of control chip CC2530 and electric capacity C14 after series connection, one end to be connected between electric capacity C15 and electric capacity C14 and the inductance L 3 of other end ground connection; The electric capacity C16 be connected with the PF_N port of control chip CC2530 after series connection and electric capacity C17, one end to be connected between electric capacity C16 and electric capacity C17 and the inductance L 4 of other end ground connection, and electric capacity C14 and electric capacity C17 are connected with the PF_P port of power amplifier chip CC2591 and PF_N port respectively.
Second matched filtering circuit comprises and connects the rear inductance L 6, electric capacity C22, the inductance L 7 that are connected with the ANT port of power amplifier chip CC2591 in turn, one end to be connected between inductance L 6 and electric capacity C22 and the electric capacity C26 of other end ground connection, one end to be connected between electric capacity C22 and inductance L 7 and the inductance L 8 of other end ground connection and electric capacity C23, and inductance L 7 is connected with antenna.
In the present embodiment, control chip CC2530 is also connected with clock circuit, and control chip CC2530 inside has ISM band modulation circuit, and control chip CC2530 can complete electrification reset, JTAG debugging, IO expanded function.
The course of work of the first matched filtering circuit and the second matched filtering circuit is as follows: the radiofrequency signal of control chip CC2530 radio-frequency (RF) output end is connected to power amplifier chip CC2591 after the first matched filtering circuit of C14, C15, C16, C17 and L3, L4 composition, export after amplifying via this chip, after again passing through the second matched filtering circuit be made up of C22, C23, C26 and L6, L7, L8, be converted into radio wave transmission finally by antenna and go out.The the first matched filtering circuit passed through in this whole transmission channel due to radiofrequency signal and the second matched filtering circuit amplitude-frequency characteristic be close full width in ISM band (2.4GHz ~ 2.5GHz), so signal strength signal intensity is never weakened, output to antenna end with can making signal integrity, thus can ensure to output signal there is very strong signal strength signal intensity.
The course of work of the present utility model is as follows:
Launch: source user sends data to the UART serial ports input of control chip CC2530 by the serial port terminal of PC, ISM band modulation circuit via control chip CC2530 inside will deliver to the radio-frequency (RF) output end of control chip CC2530 after Data Modulation, these data deliver to power amplifier chip CC2591 after the first matched filtering circuit filtering, after amplifying, deliver to the second matched filtering circuit carry out filtering, finally launch to targeted customer in the mode of radio wave from antenna.
Receive: the rf data that targeted customer is sended over by UFL port external antenna reception source user, power amplifier chip CC2591 is delivered to after the second matched filtering circuit filtering, these data export the first matched filtering circuit filtering to after being exaggerated, then the rf inputs of control chip CC2530 is entered into, these data deliver to the UART serial ports output of control chip CC2530 in inside modules after the demodulation of ISM band demodulator circuit, and such targeted customer just can see the data message that source user sends over by serial port terminal.
Sniffer antenna is identical with the Antenna Operation process external by UFL port, does not repeat at this.
According to above-described embodiment, just the utility model can be realized well.What deserves to be explained is; under prerequisite based on said structure design; for solving same technical problem; even if some making on the utility model are without substantial change or polishing; the essence of the technical scheme adopted is still the same with the utility model, therefore it also should in protection range of the present utility model.
Claims (6)
1. based on the Zigbee module of UFL external antenna type or sniffer days line styles, it is characterized in that, comprise control chip U1, the power amplifier chip U2 be connected with control chip U1 by the first matched filtering circuit, the antenna be connected with power amplifier chip U2 by the second matched filtering circuit; Described antenna is sniffer antenna or UFL external antenna.
2. the Zigbee module based on UFL external antenna type or sniffer days line styles according to claim 1, it is characterized in that, described control chip U1 is CC2530, and described power amplifier chip U2 is CC2591.
3. the Zigbee module based on UFL external antenna type or sniffer days line styles according to claim 2, it is characterized in that, described first matched filtering circuit is connected with the radio frequency output port of CC2530, and the UART serial ports input of CC2530 is also connected with the serial port terminal of PC.
4. the Zigbee module based on UFL external antenna type or sniffer days line styles according to claim 3, it is characterized in that, the electric capacity C15 that described first matched filtering circuit is connected with the PF_P port of CC2530 after comprising series connection and electric capacity C14, one end is connected to the inductance L 3 between electric capacity C15 and electric capacity C14; The electric capacity C16 that is connected with the PF_N port of CC2530 and electric capacity C17 after series connection, one end is connected to the inductance L 4 between electric capacity C16 and electric capacity C17, and electric capacity C14 and electric capacity C17 are connected with the PF_P port of CC2591 and PF_N port respectively.
5. the Zigbee module based on UFL external antenna type or sniffer days line styles according to claim 4, it is characterized in that, described second matched filtering circuit comprises and connects the rear inductance L 6, electric capacity C22, the inductance L 7 that are connected with the ANT port of CC2591 in turn, one end is connected to the electric capacity C26 between inductance L 6 and electric capacity C22, one end is connected to inductance L 8 between electric capacity C22 and inductance L 7 and electric capacity C23, and inductance L 7 is connected with antenna.
6. the Zigbee module based on UFL external antenna type or sniffer days line styles according to claim 5, it is characterized in that, described CC2530 outside is also connected with clock circuit, and inside has ISM band modulation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520331407.2U CN204578532U (en) | 2015-05-21 | 2015-05-21 | Based on the Zigbee module of UFL external antenna type or sniffer days line styles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520331407.2U CN204578532U (en) | 2015-05-21 | 2015-05-21 | Based on the Zigbee module of UFL external antenna type or sniffer days line styles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204578532U true CN204578532U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520331407.2U Expired - Fee Related CN204578532U (en) | 2015-05-21 | 2015-05-21 | Based on the Zigbee module of UFL external antenna type or sniffer days line styles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204578532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212931A (en) * | 2019-06-27 | 2019-09-06 | 广东安居宝数码科技股份有限公司 | A kind of Zigbee module and electronic equipment |
-
2015
- 2015-05-21 CN CN201520331407.2U patent/CN204578532U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212931A (en) * | 2019-06-27 | 2019-09-06 | 广东安居宝数码科技股份有限公司 | A kind of Zigbee module and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20190521 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |