CN205354316U - Collector or concentrator wireless communication circuit based on wireless microcellulor technique - Google Patents
Collector or concentrator wireless communication circuit based on wireless microcellulor technique Download PDFInfo
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- CN205354316U CN205354316U CN201521101498.7U CN201521101498U CN205354316U CN 205354316 U CN205354316 U CN 205354316U CN 201521101498 U CN201521101498 U CN 201521101498U CN 205354316 U CN205354316 U CN 205354316U
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Abstract
The utility model discloses a collector or concentrator wireless communication circuit based on wireless microcellulor technique, including wireless chip, antenna matching circuit, low noise amplification circuit, power amplification circuit and two sets of high frequency commutator circuit, the antenna matching circuit is connected to the RE_P pin and the RF_N pin of wireless chip, the impedance and the antenna matching of antenna matching circuit, two sets of high frequency commutator circuit are connected respectively to low noise amplification circuit and power amplification circuit's input and output, and are two sets of low noise amplification circuit of high frequency commutator circuit timesharing switch -on and power amplification circuit receive and output signal in order to realize the timesharing.
Description
Technical field
This utility model relates to electric power data acquisition equipment technical field, particularly relates to the harvester based on wireless picocellular technology or concentrator wireless communication line.
Background technology
At present, when power equipment is applied to electric apparatus monitoring, often due to its site environment is severe, supply voltage is unstable, affects equipment properly functioning；The clutter of power supply output simultaneously is more, and power equipment is produced severe jamming.Additionally, also can be interfered by power circuit between module within power equipment, affect power equipment further properly functioning.
Summary of the invention
The purpose of this utility model is in that to overcome the deficiency of existing technology, it is provided that the harvester based on wireless picocellular technology that a kind of capacity of resisting disturbance is strong or concentrator wireless communication line.
In order to realize object above the technical solution adopted in the utility model it is:
Based on harvester or the concentrator wireless communication line of wireless picocellular technology, including wireless chip, antenna-matching circuit, low noise amplifier circuit, power amplification circuit and two groups of high frequency direction changing ratio on-off circuits；The RE_P pin of described wireless chip and RF_N pin connect antenna-matching circuit, the impedance of described antenna-matching circuit and antenna match, the input of described low noise amplifier circuit and power amplification circuit and outfan connect two groups of high frequency direction changing ratio on-off circuits respectively, and high frequency direction changing ratio on-off circuit timesharing described in two groups connects low noise amplifier circuit and power amplification circuit to realize timesharing reception and output signal.
Preferably, described wireless chip is CC1100ERTKR chip, and this wireless chip is also associated with crystal oscillator, electric source filter circuit and output bias circuit.
The beneficial effects of the utility model are: the harvester based on wireless picocellular technology of the present utility model or concentrator wireless communication line, have antenna-matching circuit, the impedance of this antenna-matching circuit and antenna match, can play best signal reception.The radiofrequency signal received can be carried out low noise amplification by low noise amplifier circuit, makes the receiving sensitivity of whole circuit improve, it is possible to receive very faint signal；Output power signal can be amplified by power amplification circuit, makes communication distance strengthen；Low noise amplifier circuit and power amplification circuit are connected in two groups of high frequency direction changing ratio switch electric energy timesharing, make low noise amplifier circuit and power amplification circuit timesharing receive and output signal, it is to avoid both signal conflicts.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the present invention.
Wherein, 1-wireless chip, 2-antenna-matching circuit, 3-low noise amplifier circuit, 4-power amplification circuit, 5-high frequency direction changing ratio on-off circuit.
Detailed description of the invention
In conjunction with the drawings and specific embodiments, this utility model technical scheme required for protection is described in further detail.
Shown in accompanying drawing 1, the harvester based on wireless picocellular technology of the present embodiment or concentrator wireless communication line, including wireless chip 1, antenna-matching circuit 2, low noise amplifier circuit 3, power amplification circuit 4 and two groups of high frequency direction changing ratio on-off circuits 5.The wireless chip 1(U5 of the present embodiment) it is preferably CC1100ERTKR chip, the RE_P pin of described wireless chip 1 and RF_N pin connect antenna-matching circuit 2, this wireless chip 1 is also associated with crystal oscillator, electric source filter circuit and output bias circuit, the impedance of described antenna-matching circuit 2 and antenna match.The input of described low noise amplifier circuit 3 and power amplification circuit 4 and outfan connect two groups of high frequency direction changing ratio on-off circuits 5 respectively, and high frequency direction changing ratio on-off circuit 5 timesharing described in two groups connects low noise amplifier circuit 3 and power amplification circuit 4 to realize timesharing reception and output signal.
The harvester based on wireless picocellular technology of the present embodiment or concentrator wireless communication line, have antenna-matching circuit 2, the impedance of this antenna-matching circuit 2 and antenna match, can play best signal reception.The radiofrequency signal received can be carried out low noise amplification by low noise amplifier circuit 3, makes the receiving sensitivity of whole circuit improve, it is possible to receive very faint signal；Output power signal can be amplified by power amplification circuit 4, makes communication distance strengthen；Low noise amplifier circuit 3 and power amplification circuit 4 are connected in two groups of high frequency direction changing ratio switch electric energy timesharing, make low noise amplifier circuit 3 and power amplification circuit 4 timesharing receive and output signal, it is to avoid both signal conflicts.
The embodiment of the above is only preferred embodiment of the present utility model, and this utility model not does any pro forma restriction.Any those of ordinary skill in the art, without departing under technical solutions of the utility model ambit, all may utilize the technology contents of the disclosure above and technical solutions of the utility model are made more possible variation and retouching, or be revised as the Equivalent embodiments of equivalent variations.Therefore all contents without departing from technical solutions of the utility model, according to the equivalent equivalence change that the thinking of this utility model is made, all should be covered by protection domain of the present utility model.
Claims (2)
1. based on the harvester of wireless picocellular technology or concentrator wireless communication line, it is characterised in that: include wireless chip (1), antenna-matching circuit (2), low noise amplifier circuit (3), power amplification circuit (4) and two groups of high frequency direction changing ratio on-off circuits (5)；The RE_P pin of described wireless chip (1) and RF_N pin connect antenna-matching circuit (2), the impedance of described antenna-matching circuit (2) and antenna match, the input of described low noise amplifier circuit (3) and power amplification circuit (4) and outfan connect two groups of high frequency direction changing ratio on-off circuits (5) respectively, and high frequency direction changing ratio on-off circuit (5) timesharing described in two groups connects low noise amplifier circuit (3) and power amplification circuit (4) to realize timesharing reception and output signal.
2. the harvester based on wireless picocellular technology according to claim 1 or concentrator wireless communication line, it is characterized in that: described wireless chip (1) is CC1100ERTKR chip, and this wireless chip (1) is also associated with crystal oscillator, electric source filter circuit and output bias circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521101498.7U CN205354316U (en) | 2015-12-28 | 2015-12-28 | Collector or concentrator wireless communication circuit based on wireless microcellulor technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521101498.7U CN205354316U (en) | 2015-12-28 | 2015-12-28 | Collector or concentrator wireless communication circuit based on wireless microcellulor technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205354316U true CN205354316U (en) | 2016-06-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521101498.7U Active CN205354316U (en) | 2015-12-28 | 2015-12-28 | Collector or concentrator wireless communication circuit based on wireless microcellulor technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205354316U (en) |
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2015
- 2015-12-28 CN CN201521101498.7U patent/CN205354316U/en active Active
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |