CN214281370U - Wireless data transmission module based on LC6500 - Google Patents
Wireless data transmission module based on LC6500 Download PDFInfo
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- CN214281370U CN214281370U CN202120464950.5U CN202120464950U CN214281370U CN 214281370 U CN214281370 U CN 214281370U CN 202120464950 U CN202120464950 U CN 202120464950U CN 214281370 U CN214281370 U CN 214281370U
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Abstract
The utility model relates to a wireless data transmission technical field discloses a wireless data transmission module based on LC6500, including the LC6500 module, LC6500 module electricity is connected with first radio frequency switch circuit, second radio frequency switch circuit, first radio frequency switch circuit through power amplification circuit with second radio frequency switch circuit, second radio frequency switch circuit electricity is connected with the antenna, the LC6500 module is used for controlling first radio frequency switch circuit, second radio frequency switch circuit synchronous switch receiving and dispatching mode, power amplification circuit is used for improving the practical communication distance in ground. The module improves LC6500 communication distance by additionally arranging an external power amplifying circuit.
Description
Technical Field
The utility model relates to a wireless data transmission technical field, concretely relates to wireless data transmission module based on LC 6500.
Background
LC6500 is a point-to-point data transmission module, and the product is based on LET wireless communication standard, adopts OFDM (orthogonal Frequency Division multiplexing) and MIMO (multiple-Input and multiple-Output) key technologies, supports various broadband allocations (10MHZ and 20MHZ), and is flat in system architecture design, effectively reduces the delay of the system, improves the transmission capability of the system, and has the characteristics of long transmission part distance, large data throughput and strong anti-interference performance.
However, in the prior art, the transmitting power of the LC6500 module is only 23-25dbm, and the practical communication distance on the ground is only 1KM, so that the defect of short communication distance exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a not enough to prior art exists, the utility model aims at providing a wireless data transmission module based on LC6500, this module improves LC6500 communication distance through installing external power amplifier circuit additional.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a wireless data transmission module based on LC6500, includes the LC6500 module, LC6500 module electricity is connected with first radio frequency switch circuit, second radio frequency switch circuit, first radio frequency switch circuit through power amplifier circuit with second radio frequency switch circuit, second radio frequency switch circuit electricity is connected with the antenna, the LC6500 module is used for controlling first radio frequency switch circuit, the synchronous switching of second radio frequency switch circuit receiving and dispatching mode, power amplifier circuit is used for improving the practical communication distance in ground.
Further, the power amplification circuit comprises a power amplifier U5, a first filter impedance matching circuit is connected to an input end of the power amplifier U5, and a second filter impedance matching circuit is connected to an output end of the power amplifier U5.
Further, the LC6500 module includes a transceiving processing circuit and a switch control circuit, the transceiving processing circuit is electrically connected to the switch control circuit, the switch control circuit is electrically connected to the first radio frequency switch circuit and the second radio frequency switch circuit, the transceiving processing circuit is configured to transmit and receive a pulse signal, and the switch control circuit is configured to control the first radio frequency switch circuit and the second radio frequency switch circuit to switch a transceiving operation mode.
The utility model discloses in, it is further, the receiving and dispatching processing circuit includes chip U1, 1 foot of chip U1 through filter circuit with first radio frequency switch circuit connects, 7 feet of chip U1 through resistance R1 with the on-off control circuit connects.
In the utility model discloses, it is further, switch control circuit includes chip U2, chip U3, chip U4, 4 feet of chip U2 are connected with resistance R1 through resistance R8, 2 feet of chip U2 with resistance R1 is connected, 4 feet of chip U2 pass through resistance R9 with 2 feet of chip U4 are connected, 4 feet of chip U4 with first radio frequency switch circuit connection, 1 foot of chip U4 pass through resistance R10 with second radio frequency switch circuit connection.
In the present invention, further, the first rf switch circuit includes a chip U7, a chip U8, a chip U9, and a chip U10, the 6 feet of the chip U7 pass through a capacitor C29 and are connected to the 5 feet of the chip U8, the 6 feet of the chip U8 are connected to the 4 feet of the chip U10, and the 4 feet of the chip U10 are connected to the 2 feet of the chip U9.
In the present invention, preferably, the second rf Switch circuit includes a chip U-Switch, an input end of the chip U-Switch is connected to an antenna, the chip U-Switch is connected to a detection chip U-detect, and the detection chip U-detect is connected to a Switch socket P1.
The utility model discloses in, it is further, still include power module, power module is used for providing the required power of circuit.
The power supply module comprises a chip U6, the input end of the chip U6 is connected with a DC-12V power supply through capacitors C26 and C25, and the output end of the chip U6 is connected with a 5V power supply through capacitors C27 and C28.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a receiving and dispatching processing circuit's receiving and dispatching switching pulse signal switches receiving and dispatching mode through on-off control circuit control radio frequency switch circuit synchronization, and when the transmission mode, the antenna is seen off through power amplifier circuit to the transmission signal of LC6500 module, and during the reception mode, antenna signal passes through the radio frequency port in the radio frequency processing circuit of second radio frequency switch circuit, first radio frequency switch circuit coupling to LC6500 module in proper order. Therefore, the practical communication distance on the ground can be increased to 2-5KM by configuring power amplification circuits with different output power levels.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, 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 a block diagram of the overall structure of the present invention;
fig. 2 is a circuit diagram of an LC6500 module of the present invention;
fig. 3 is a circuit diagram of a power amplification circuit of the present invention;
fig. 4 is a circuit diagram of a power module of the present invention;
fig. 5 is a circuit diagram of a first rf switch circuit of the present invention;
fig. 6 is a circuit diagram of a second rf switch circuit according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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 work belong to the protection scope of the present invention.
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 a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
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 in the description of the invention herein 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 preferred embodiment of the present invention provides a wireless data transmission module based on LC6500, including a LC6500 module, the LC6500 module is electrically connected to a first radio frequency switch circuit 3 and a second radio frequency switch circuit 4, the first radio frequency switch circuit 3 passes through a power amplification circuit 5 and the second radio frequency switch circuit 4, the second radio frequency switch circuit 4 is electrically connected to an antenna, the LC6500 module is used to control the first radio frequency switch circuit 3 and the second radio frequency switch circuit 4 to synchronously switch a transceiving operation mode, and the power amplification circuit 5 is used to increase a practical communication distance on the ground.
Specifically, the utility model discloses in, the receiving and dispatching of LC6500 module switches over pulse signal and switches over receiving and dispatching mode through on-off control circuit 2 control radio frequency switch circuit synchronization, and when the transmission mode, the transmission signal of LC6500 module sends the antenna to through power amplifier circuit 6, and during the reception mode, antenna signal passes through the radio frequency port in the radio frequency processing circuit of second radio frequency switch circuit 4, the coupling of first radio frequency switch circuit 3 to LC6500 module in proper order. Therefore, the receiving and sending of communication signals are realized, and the practical communication distance on the ground can be increased to 2-5KM by configuring the power amplifying circuits 5 with different output power grades.
Further, the LC6500 module includes a transceiving processing circuit 1 and a switch control circuit 2, the transceiving processing circuit is electrically connected to the switch control circuit 2, the switch control circuit 2 is electrically connected to the first radio frequency switch circuit 3 and the second radio frequency switch circuit 4, the transceiving processing circuit 1 is configured to transmit and receive a pulse signal, and the switch control circuit 2 is configured to control the first radio frequency switch circuit 3 and the second radio frequency switch circuit 4 to switch a transceiving operation mode.
Specifically, in the present embodiment, referring to fig. 2, the transceiving processing circuit 1 includes a chip U1, a pin 1 of the chip U1 is connected to the first rf switch circuit 3 through a filter circuit, and a pin 7 of the chip U1 is connected to the switch control circuit 2 through a resistor R1. Specifically, the filter circuit is composed of a resistor R2, a resistor R3 and a resistor R4 and a resistor R7, interference signals of the emission signals are removed through the filter circuit, and stability of signal transmission is guaranteed. The chip U1 is mainly used for providing a control signal for transmitting and receiving pulses and controlling the radio frequency switch to switch modes by controlling the switch control module.
In the utility model discloses, it is further, switch control circuit 2 includes chip U2, chip U3, chip U4, 4 feet of chip U2 are connected with resistance R1 through resistance R8, 2 feet of chip U2 with resistance R1 is connected, 4 feet of chip U2 pass through resistance R9 with 2 feet of chip U4 are connected, 4 feet of chip U4 with first radio frequency switch circuit 3 is connected, 1 foot of chip U4 pass through resistance R10 with second radio frequency switch circuit 4 is connected. Specifically, the utility model discloses in, chip U2, chip U3, chip U4 are the voltage conversion chip, because the level of transmission signal is different under the different modes, consequently, need carry out level conversion in order to satisfy the signal transmission requirement to receiving and dispatching signal respectively.
Further, referring to fig. 3, the power amplifying circuit 5 includes a power amplifier U5, an input terminal of the power amplifier U5 is connected to a first filter impedance matching circuit, and an output terminal of the power amplifier U5 is connected to a second filter impedance matching circuit. Specifically, the first filtering impedance matching circuit is composed of a resistor R15, a resistor R16, a resistor R17, a capacitor C10, a capacitor C11, a capacitor C12, a capacitor C13, a capacitor C16, and a capacitor C17, and is used for realizing impedance matching of input signals and filtering interference signals. The second filter impedance matching circuit comprises capacitors C20-C24 for impedance matching the output signal. Therefore, the practical communication distance on the ground can be increased to 2-5KM by configuring the power amplifying circuits 5 with different output power levels.
In the present invention, referring to fig. 5, the first rf switch circuit 3 includes a chip U7, a chip U8, a chip U9, and a chip U10, wherein 6 pins of the chip U7 are connected to 5 pins of the chip U8 through a capacitor C29, 6 pins of the chip U8 are connected to 4 pins of the chip U10, and 4 pins of the chip U10 are connected to 2 pins of the chip U9. Specifically, pin 3 of the chip U7 is connected to a resistor R7 in the filter circuit, and is configured to receive a pulse signal transmitted by the LC6500 module, the chip U8 is configured to process the signal, the chip U8 is connected to the input end of the power amplification circuit 5 through a capacitor C39, the output end of the power amplification circuit 5 is connected to pin 1 of the chip U10, the signal passing through the power amplification circuit 5 is transmitted to the second radio frequency switch through pin 6 of the chip U10, and finally is transmitted out through the radio frequency port.
In the utility model discloses, preferably, please refer to fig. 6, second radio frequency Switch circuit 4 includes chip U-Switch, chip U-Switch's input is connected with the antenna, and the antenna is used for realizing communication signal's receiving and dispatching, and chip U-Switch is connected with detection chip U-detect, detection chip U-detect is connected with change over Switch socket P1, and change over socket P1 sets up outside whole module, is convenient for carry out manual debugging to the signal receiving and dispatching of module communication, and detection chip U-detect is used for the communication Switch to Switch over and detects. The chip U-Switch is used for switching communication receiving and transmitting signals, an RFann port of the chip U-Switch is used for transmitting output signals out through a radio frequency port, an RFin port of the chip U-Switch is used for receiving signals transmitted by an antenna, the chip U-Switch is connected with a chip U-PA, and the chip U-PA is connected with the power amplification circuit 5 and used for controlling the on-off of the power amplification circuit 5.
In the present invention, further, please refer to fig. 4, further comprising a power module, wherein the power module is used for providing the power required by the circuit. The power module comprises a chip U6, wherein the input end of the chip U6 is connected with a DC-12V power supply through capacitors C26 and C25, and the output end of the chip U6 is connected with a 5V power supply through capacitors C27 and C28.
In the present embodiment, it is preferred that,
the working principle is as follows:
the utility model discloses a receiving and dispatching switching pulse signal of LC6500 module switches receiving and dispatching mode through on-off control circuit 2 control radio frequency switch circuit synchronization, can improve the practical communication distance on ground to 2-5KM through the power amplifier circuit 5 of the different output power grades of configuration.
Specifically, in the transmission mode, the transmission signal Coupled of the transceiving processing circuit 1 is filtered by the filter circuit, transmitted to the first radio frequency Switch circuit 3, received and converted by the chip U7 and the chip U8, and then power-amplified by the power amplification circuit 6, and the signal with the maximum output power is transmitted to the second radio frequency Switch circuit 4, specifically, transmitted from the rf ann port of the chip U-Switch to the radio frequency port, without distortion.
In the receiving mode, the signal FRin received by the antenna sequentially passes through the second rf switch circuit 4 and the chip U7 in the first rf switch circuit 3, and is coupled to the chip U1 of the rf processing circuit of the LC6500 module.
Therefore, the LC6500 module can carry out long-distance communication.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (9)
1. The utility model provides a wireless data transmission module based on LC6500, its characterized in that, includes the LC6500 module, LC6500 module electricity is connected with first radio frequency switch circuit, second radio frequency switch circuit, first radio frequency switch circuit through power amplification circuit with second radio frequency switch circuit, second radio frequency switch circuit electricity is connected with the antenna, LC6500 module piece is used for controlling first radio frequency switch circuit, the synchronous switching of second radio frequency switch circuit receiving and dispatching mode, power amplification circuit is used for improving the practical communication distance in ground.
2. The LC 6500-based wireless data transmission module according to claim 1, wherein the power amplifier circuit comprises a power amplifier U5, a first filter impedance matching circuit is connected to an input terminal of the power amplifier U5, and a second filter impedance matching circuit is connected to an output terminal of the power amplifier U5.
3. The LC 6500-based wireless data transmission module according to claim 2, wherein the LC6500 module comprises a transceiving processing circuit and a switch control circuit, the transceiving processing circuit is electrically connected to the switch control circuit, the switch control circuit is electrically connected to the first RF switch circuit and the second RF switch circuit, the transceiving processing circuit is configured to transmit and receive pulse signals, and the switch control circuit is configured to control the first RF switch circuit and the second RF switch circuit to switch the transceiving operation mode.
4. The LC 6500-based wireless data transmission module according to claim 3, wherein the transceiving processing circuit comprises a chip U1, pin 1 of the chip U1 is connected to the first RF switch circuit through a filter circuit, and pin 7 of the chip U1 is connected to the switch control circuit through a resistor R1.
5. The LC 6500-based wireless data transmission module according to claim 3, wherein the switch control circuit comprises a chip U2, a chip U3 and a chip U4, wherein 4 pins of the chip U2 are connected with a resistor R1 through a resistor R8, 2 pins of the chip U2 are connected with the resistor R1, 4 pins of the chip U2 are connected with 2 pins of the chip U4 through a resistor R9, 4 pins of the chip U4 are connected with the first RF switch circuit, and 1 pin of the chip U4 is connected with the second RF switch circuit through a resistor R10.
6. The LC 6500-based wireless data transmission module according to claim 1, wherein the first RF switch circuit comprises a chip U7, a chip U8, a chip U9 and a chip U10, wherein 6 pins of the chip U7 are connected with 5 pins of the chip U8 via a capacitor C29, 6 pins of the chip U8 are connected with 4 pins of the chip U10, and 4 pins of the chip U10 are connected with 2 pins of the U9.
7. The LC 6500-based wireless data transmission module according to claim 1, wherein the second RF Switch circuit comprises a U-Switch chip, an antenna is connected to an input end of the U-Switch chip, a detection chip U-detector is connected to the U-Switch chip, and a Switch socket P1 is connected to the detection chip U-detector.
8. The LC 6500-based wireless data transmission module according to claim 1, further comprising a power supply module for supplying power required by the circuit.
9. The LC 6500-based wireless data transmission module of claim 8, wherein the power supply module comprises a U6 chip, the input terminal of the U6 chip is connected with a DC-12V power supply through capacitors C26 and C25, and the output terminal of the U6 chip is connected with a 5V power supply through capacitors C27 and C28.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120464950.5U CN214281370U (en) | 2021-03-03 | 2021-03-03 | Wireless data transmission module based on LC6500 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120464950.5U CN214281370U (en) | 2021-03-03 | 2021-03-03 | Wireless data transmission module based on LC6500 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214281370U true CN214281370U (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120464950.5U Active CN214281370U (en) | 2021-03-03 | 2021-03-03 | Wireless data transmission module based on LC6500 |
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| Country | Link |
|---|---|
| CN (1) | CN214281370U (en) |
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2021
- 2021-03-03 CN CN202120464950.5U patent/CN214281370U/en active Active
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