CN209627360U - The radio communication circuit of Intelligent household central control equipment - Google Patents
The radio communication circuit of Intelligent household central control equipment Download PDFInfo
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- CN209627360U CN209627360U CN201920817245.1U CN201920817245U CN209627360U CN 209627360 U CN209627360 U CN 209627360U CN 201920817245 U CN201920817245 U CN 201920817245U CN 209627360 U CN209627360 U CN 209627360U
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Abstract
The utility model relates to a kind of radio communication circuits of Intelligent household central control equipment, match circuit is received including antenna, radio frequency chip, electric source filter circuit and electrical level matching circuit, the input terminal that antenna receives match circuit receives wireless signal, the input of electric source filter circuit terminates input voltage, the output end of output end and electric source filter circuit that antenna receives match circuit is electrically connected with the input terminal of radio frequency chip respectively, the input terminal of electrical level matching circuit is electrically connected with the output end of radio frequency chip, the output end of electrical level matching circuit is electrically connected with the main control chip of Intelligent household central control equipment.The reception that match circuit carries out wireless signal is received by antenna, the signal that radio frequency chip is converted is transmitted in the main control chip of control device by electrical level matching circuit, to the independent reception and conversion process for realizing wireless signal, not by the integrated circuit placement constraint of control device, relatively independent, flexibility ratio is higher.
Description
Technical field
The utility model belongs to the wireless communication electricity of Smart Home technical field more particularly to Intelligent household central control equipment
Road.
Background technique
The control circuit board of Intelligent household central control equipment is using traditional flat panel production, mainboard and control panel at present
It is integrated in a sheet, wireless communication function module and other functional modules are integrated in a sheet, and extension flexibility ratio is relatively low.
Utility model content
The utility model provides a kind of radio communication circuit of Intelligent household central control equipment, to solve in the prior art without
Line telecommunication circuit is not independent, the relatively low technical problem of flexibility ratio.
The utility model provides a kind of radio communication circuit of Intelligent household central control equipment, including antenna receives matching electricity
Road, radio frequency chip U1, electric source filter circuit and electrical level matching circuit, the input terminal that the antenna receives match circuit receive
Wireless signal, the input of the electric source filter circuit terminate input voltage, the antenna receive match circuit output end and
The output end of electric source filter circuit is electrically connected with the input terminal of the radio frequency chip U1 respectively, the electrical level matching circuit it is defeated
Enter end to be electrically connected with the output end of the radio frequency chip U1, in the output end of the electrical level matching circuit and the smart home
Control the main control chip electrical connection of equipment.
Wherein, it includes signal receiving antenna ANT1, filter capacitor C1 and inductance L1, institute that the antenna, which receives match circuit,
State the input terminal incoming wireless signal of signal receiving antenna ANT1, the output end of the signal receiving antenna ANT1 and the filtering
One end of capacitor C1 is electrically connected, and the other end of the filter capacitor C1 is electrically connected with the radio frequency chip U1 respectively, the electricity
Sense L1 one end be electrically connected with the other end of the filter capacitor C1, and the other end of the inductance L1 respectively with radio frequency chip
U1 electrical connection and ground connection.
Wherein, the electric source filter circuit includes filter capacitor C4, filter capacitor C5 and filter capacitor C6, the filtering
One end of one end of capacitor C4, one end of filter capacitor C5 and filter capacitor C6 with input voltage and the radio frequency core
The input terminal of piece U1 is electrically connected, the other end of the capacitor C4, the other end of filter capacitor C5 and filter capacitor C6 it is another
End is grounded respectively.
Wherein, the electrical level matching circuit includes voltage regulation resistance R55 and diode D21, and the one of the voltage regulation resistance R55
Input voltage is terminated, one end parallel connection of the other end and diode D21 of the voltage regulation resistance R55 accesses the radio frequency chip
An output end of U1, the other end of the diode D21 are electrically connected with the main control chip of the Intelligent household central control equipment.
Wherein, the radio communication circuit of the Intelligent household central control equipment further includes clock source circuit and power supply debugging electricity
Road, the clock source circuit and power supply debug circuit respectively with the radio frequency chip U1 communication connection.
From above-mentioned the utility model embodiment it is found that radio communication circuit in the utility model, passes through antenna and receive
The reception of wireless signal is carried out with circuit, electric source filter circuit carries out the filtering power supply of input voltage, and electrical level matching circuit will penetrate
The signal of frequency RF chip U1 conversion is transmitted in the main control chip of control device, to independently realize the reception of wireless signal and turn
Process is changed, not by the integrated circuit placement constraint of control device, relatively independent, flexibility ratio is higher.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those skilled in the art, without any creative labor,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural block diagram of the radio communication circuit of the utility model Intelligent household central control equipment；
Fig. 2 is the circuit diagram of the radio communication circuit of the utility model Intelligent household central control equipment.
Main element explanation:
1, antenna receives match circuit；2, electric source filter circuit；3, electrical level matching circuit；4, clock source circuit；5, it powers
Debug circuit.
Specific embodiment
It, below will knot to enable the purpose of utility model, feature, advantage of the utility model more obvious and understandable
The attached drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described,
Obviously, the described embodiments are only a part of the embodiments of the utility model, and not all embodiments.Based on the utility model
In embodiment, those skilled in the art's every other embodiment obtained without making creative work, all
Belong to the range of the utility model protection.
The utility model discloses a kind of radio communication circuits of Intelligent household central control equipment, including day referring to FIG. 1-2,
Line receives match circuit 1, radio frequency chip U1, electric source filter circuit 2 and electrical level matching circuit 3, and antenna receives match circuit 1
Input terminal receive wireless signal, the input of electric source filter circuit 2 terminates input voltage VCC-3V3, and antenna receives match circuit 1
Output end and the output end of electric source filter circuit 2 be electrically connected respectively with the input terminal of radio frequency chip U1, electrical level match electricity
The input terminal on road 3 is electrically connected with the output end of radio frequency chip U1, and output end and the Intelligent household central control of electrical level matching circuit 3 are set
Standby main control chip electrical connection.
Compared to the prior art, the radio communication circuit in the utility model receives match circuit 1 by antenna and carries out nothing
The reception of line signal, electric source filter circuit 2 carry out the filtering power supply of input voltage, and electrical level matching circuit 3 is by radio frequency chip U1
The signal of conversion is transmitted in the main control chip of control device, thus the independent reception and conversion process for realizing wireless signal, no
By the integrated circuit placement constraint of control device, relatively independent, flexibility ratio is higher.
In the present embodiment, it includes signal receiving antenna ANT1, filter capacitor C1 and inductance that antenna, which receives match circuit 1,
The input terminal incoming wireless signal of L1, signal receiving antenna ANT1, the output end and filter capacitor C1 of signal receiving antenna ANT1
One end electrical connection, the other end of filter capacitor C1 is electrically connected with No. 14 pins of radio frequency chip U1 respectively, the one of inductance L1
End is electrically connected with the other end of filter capacitor C1, and the other end of inductance L1 is electrically connected with No. 13 pins of radio frequency chip U1 respectively
It connects and is grounded.The range that the combination of C1 and L1 mainly receives signal for antenna is tuned effect.
In the present embodiment, electric source filter circuit 2 includes filter capacitor C4, filter capacitor C5 and filter capacitor C6, filter
One end of one end of wave capacitor C4, one end of filter capacitor C5 and filter capacitor C6 with input voltage and radio frequency chip
No. 16 pins of U1 are electrically connected, the other end point of the other end of capacitor C4, the other end of filter capacitor C5 and filter capacitor C6
It is not grounded.C4-C6 is mainly filtered effect to input voltage, to guarantee that the voltage value in input radio frequency RF chip U1 is stablized.
In the present embodiment, electrical level matching circuit 3 includes voltage regulation resistance R55 and diode D21, voltage regulation resistance R55's
One end parallel connection of the other end and diode D21 of one termination input voltage VCC-3V3, voltage regulation resistance R55 accesses radio frequency core
No. 5 pins of piece U1, the other end output signal RF_DOUT of diode D21 and the main control chip with Intelligent household central control equipment
Electrical connection.R55 and D21 mainly adjusts the electricity frequency of the signal of output.
In the present embodiment, the radio communication circuit of Intelligent household central control equipment further includes clock source circuit 4 and power supply
Debug circuit 5, clock source circuit 4 and power supply debug circuit 5 respectively with radio frequency chip U1 communication connection.Power supply debug circuit
It is equipped with debugging interface J3 in 5, is powered debugging.It is equipped with crystal oscillator X1, capacitor C7 and capacitor C8 in clock source circuit 4, is used to
The square wave clock pulse signal of frequency stabilization and electrical level match is provided for loop pulse generator.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiments.
The above are the descriptions to technical solution provided by the utility model, for those skilled in the art, according to this
The thought of utility model embodiment, there will be changes in the specific implementation manner and application range, to sum up, in this specification
Appearance should not be construed as a limitation of the present invention.
Claims (5)
1. a kind of radio communication circuit of Intelligent household central control equipment, which is characterized in that receive match circuit, radio frequency including antenna
RF chip U1, electric source filter circuit and electrical level matching circuit, the input terminal that the antenna receives match circuit receive wireless communication
Number, the input of the electric source filter circuit terminates input voltage, and the antenna receives output end and the power supply filter of match circuit
The output end of wave circuit is electrically connected with the input terminal of the radio frequency chip U1 respectively, the input terminal of the electrical level matching circuit with
The output end of the radio frequency chip U1 is electrically connected, the output end of the electrical level matching circuit and the Intelligent household central control equipment
Main control chip electrical connection.
2. the radio communication circuit of Intelligent household central control equipment according to claim 1, which is characterized in that the antenna connects
Receiving match circuit includes signal receiving antenna ANT1, filter capacitor C1 and inductance L1, and the signal receiving antenna ANT1's is defeated
Enter and hold incoming wireless signal, the output end of the signal receiving antenna ANT1 is electrically connected with one end of the filter capacitor C1, institute
The other end for stating filter capacitor C1 is electrically connected with the radio frequency chip U1 respectively, one end of the inductance L1 and the filtered electrical
Hold the other end electrical connection of C1, and the other end of the inductance L1 is electrically connected and is grounded with radio frequency chip U1 respectively.
3. the radio communication circuit of Intelligent household central control equipment according to claim 1, which is characterized in that the power supply filter
Wave circuit includes filter capacitor C4, filter capacitor C5 and filter capacitor C6, one end of the filter capacitor C4, filter capacitor C5
One end and one end of filter capacitor C6 be electrically connected with the input terminal of input voltage and the radio frequency chip U1, it is described
The other end of the other end of capacitor C4, the other end of filter capacitor C5 and filter capacitor C6 is grounded respectively.
4. the radio communication circuit of Intelligent household central control equipment according to claim 1, which is characterized in that the level
It include a termination input voltage of voltage regulation resistance R55 and diode D21, the voltage regulation resistance R55, the pressure stabilizing electricity with circuit
One end parallel connection for hindering the other end and diode D21 of R55 accesses an output end of the radio frequency chip U1, the diode
The other end of D21 is electrically connected with the main control chip of the Intelligent household central control equipment.
5. the radio communication circuit of Intelligent household central control equipment according to claim 1, which is characterized in that the intelligence man
The radio communication circuit for occupying control device further includes clock source circuit and power supply debug circuit, the clock source circuit and confession
Electric debug circuit respectively with the radio frequency chip U1 communication connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920817245.1U CN209627360U (en) | 2019-05-31 | 2019-05-31 | The radio communication circuit of Intelligent household central control equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920817245.1U CN209627360U (en) | 2019-05-31 | 2019-05-31 | The radio communication circuit of Intelligent household central control equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209627360U true CN209627360U (en) | 2019-11-12 |
Family
ID=68443487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920817245.1U Active CN209627360U (en) | 2019-05-31 | 2019-05-31 | The radio communication circuit of Intelligent household central control equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209627360U (en) |
-
2019
- 2019-05-31 CN CN201920817245.1U patent/CN209627360U/en active Active
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