CN216133502U - High-gain remote controller - Google Patents
High-gain remote controller Download PDFInfo
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- CN216133502U CN216133502U CN202122737391.3U CN202122737391U CN216133502U CN 216133502 U CN216133502 U CN 216133502U CN 202122737391 U CN202122737391 U CN 202122737391U CN 216133502 U CN216133502 U CN 216133502U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 230000003321 amplification Effects 0.000 claims abstract description 9
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- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 9
- 239000003990 capacitor Substances 0.000 claims description 18
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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Abstract
The utility model provides a high-gain remote controller which comprises a spring antenna, a three-stage amplifying circuit and a radio frequency remote control circuit, wherein the spring antenna is electrically connected with the three-stage amplifying circuit through a transistor Q5, the three-stage amplifying circuit is electrically connected with the radio frequency remote control circuit, the radio frequency remote control circuit is also electrically connected with a key circuit, the radio frequency remote control circuit is used for receiving an input instruction of the key circuit and transmitting a signal, the three-stage amplifying circuit is used for receiving the transmitting signal from a resistor R9 and carrying out a signal amplifying process on the transmitting signal, and the transmitting signal after signal amplification is transmitted to the spring antenna for transmission. The utility model can realize a single chip structure with small volume and low cost.
Description
Technical Field
The utility model relates to the technical field of remote control, in particular to a high-gain remote controller.
Background
A radio remote controller is a remote control device that controls various mechanisms in a remote place using radio signals. These signals, when received by a remote receiving device, may instruct or actuate various other corresponding mechanical or electronic devices to perform various operations, such as closing an electrical circuit, moving a handle, actuating a motor, and then performing the desired operation by the machine. The infrared remote controller is widely applied to the fields of garage doors, electric doors, banister remote control, burglar alarms, industrial control and wireless intelligent home. With the rapid development of science and technology, higher requirements are put forward on the gain and the volume of the remote controller. Thus, the prior art is yet to be improved and enhanced.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a high gain remote controller.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a high-gain remote controller, includes spring antenna, tertiary amplifier circuit and radio frequency remote control circuit, the spring antenna pass through transistor Q5 with tertiary amplifier circuit electric connection, tertiary amplifier circuit with radio frequency remote control circuit electric connection, radio frequency remote control circuit still electric connection has button circuit, radio frequency remote control circuit is used for receiving button circuit's input instruction and transmitting signal, tertiary amplifier circuit is used for receiving the transmitting signal who comes from resistance R9 and carries out the signal amplification process to it, transmitting signal transmission after the signal amplification extremely the spring antenna transmission.
In the present invention, preferably, the three-stage amplifying circuit includes a first power amplifier triode Q2, a second power amplifier triode Q3 and a third power amplifier triode Q4, a TXD terminal of the radio frequency remote control circuit is connected to a base of the first power amplifier triode Q2 through a resistor R9 and a resistor R10, a collector of the first power amplifier triode Q2 is externally connected to a V + terminal through an inductor L1, a collector of the first power amplifier triode Q2 is connected to a base of the second power amplifier triode Q3 through a capacitor C6 and an inductor L2, a collector of the second power amplifier triode Q3 is externally connected to a VDD terminal through an inductor L3, a collector of the second power amplifier triode Q3 is connected to a base of the third power amplifier triode Q4 through a capacitor C8, and a collector of the third power amplifier triode Q4 is externally connected to a VDD terminal through an inductor L4.
In the present invention, preferably, the spring antenna is connected to a drain of a transistor Q5 through a capacitor C18, a capacitor C17, and an inductor L6 connected in series, the drain of the transistor Q5 is connected to a source of the transistor Q5 through a diode, a gate of the transistor Q5 is connected to a collector of the third power amplifier triode Q4 through an inductor L5 and a capacitor C10, the gate of the transistor Q5 is externally connected to a V + terminal through a resistor R15 and a resistor R17, and the gate of the transistor Q5 is connected to a TXD terminal of the radio frequency remote control circuit through a resistor R15 and a resistor R18.
In the present invention, the transistor Q5 is preferably configured as an N-type field effect transistor.
In the utility model, preferably, the chip of the radio frequency remote control circuit is set to be the type of the EV 1527.
In the present invention, preferably, the OSC pin of the rf remote control circuit is externally connected to a V + terminal through a resistor R16, the VCC terminal of the rf remote control circuit is grounded through a capacitor C3, and the terminals K3 and K0 of the rf remote control circuit are grounded through a resistor R5 and a resistor R2, respectively.
In the present invention, preferably, the key circuit includes a key switch group and a transistor Q1, the key switch group is connected to the base of the transistor Q1 through a resistor R6, the emitter of the transistor Q1 is externally connected to a VDD terminal, a resistor R7 is connected between the emitter of the transistor Q1 and the base thereof in parallel, and the collector of the transistor Q1 is grounded through a resistor R1 and a light emitting diode.
In the present invention, preferably, the key switch group includes a first key switch K1, a second key switch K2 and a third key switch K3 that are connected in parallel, the first key switch K1 is connected to the K1 terminal of the radio frequency remote control circuit, and the second key switch K2 is connected to the K2 terminal of the radio frequency remote control circuit.
In the present invention, preferably, a resonator is provided between the first power amplifier transistor Q2 and the radio frequency remote control circuit, and the resonator is connected between the emitter and the base of the first power amplifier transistor Q2 through a resistor R11.
In the utility model, preferably, the battery charging system further comprises a toggle switch and a battery spring, wherein the toggle switch is connected with the drain of the transistor Q5 through an inductor L8 and an inductor L7.
The utility model has the advantages and positive effects that: through the spring antenna, mutually support between tertiary amplifier circuit and the radio frequency remote control circuit, the spring antenna passes through transistor Q5 and tertiary amplifier circuit electric connection, tertiary amplifier circuit and radio frequency remote control circuit electric connection, radio frequency remote control circuit still electric connection has keying circuit, radio frequency remote control circuit is used for receiving keying circuit's input instruction and transmitting signal, tertiary amplifier circuit is used for receiving the transmitting signal that comes from resistance R9 and carries out the signal amplification process to it, transmitting signal transmission to spring antenna transmission after the signal amplification, the single-chip is small, and is with low costs.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is an overall circuit schematic diagram of a high gain remote controller of the present invention;
FIG. 2 is a schematic diagram of a spring antenna and three-stage amplifying circuit of a high-gain remote controller according to the present invention;
fig. 3 is a schematic diagram of a key circuit of a high-gain remote controller according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 and 2, the present invention provides a high-gain remote controller, which includes a spring antenna, a three-stage amplifying circuit and a radio frequency remote control circuit, wherein the spring antenna is electrically connected to the three-stage amplifying circuit through a transistor Q5, the transistor Q5 is an N-type field effect transistor, the three-stage amplifying circuit is electrically connected to the radio frequency remote control circuit, the radio frequency remote control circuit is further electrically connected to a key circuit, the radio frequency remote control circuit is configured to receive an input instruction of the key circuit and transmit a signal, the three-stage amplifying circuit is configured to receive a transmission signal from a resistor R9 and amplify the signal, and the transmission signal after signal amplification is transmitted to the spring antenna for transmission.
In this embodiment, further, the three-stage amplifying circuit includes a first power amplifier triode Q2, a second power amplifier triode Q3 and a third power amplifier triode Q4, the TXD terminal of the radio frequency remote control circuit is connected to the base of the first power amplifier triode Q2 through a resistor R9 and a resistor R10, the collector of the first power amplifier triode Q2 is externally connected to a V + terminal through an inductor L1, the collector of the first power amplifier triode Q2 is connected to the base of the second power amplifier triode Q3 through a capacitor C6 and an inductor L2, the collector of the second power amplifier triode Q3 is externally connected to a VDD terminal through an inductor L3, the collector of the second power amplifier triode Q3 is connected to the base of the third power amplifier triode Q4 through a capacitor C8, and the collector of the third power amplifier triode Q4 is externally connected to a VDD terminal through an inductor L4.
In this embodiment, further, the spring antenna is connected to the drain of the transistor Q5 through a capacitor C18, a capacitor C17, and an inductor L6 connected in series, the drain of the transistor Q5 is connected to the source of the transistor Q5 through a diode, the gate of the transistor Q5 is connected to the collector of the third power amplifier transistor Q4 through an inductor L5 and a capacitor C10, the gate of the transistor Q5 is externally connected to a V + terminal through a resistor R15 and a resistor R17, and the gate of the transistor Q5 is connected to the TXD terminal of the radio frequency remote control circuit through a resistor R15 and a resistor R18.
In this embodiment, further, the chip of the rf remote control circuit is configured as an EV1527, one pin and two pins of the EV1527 are connected to a vibrating resistor, and the size of the vibrating resistor and the voltage of the battery directly affect the width of the symbol, i.e. the width of each bit. The chip has the characteristics that an OSC pin is an input pin of an oscillation circuit and connected with a resistor to a power supply, a VCC pin is a positive terminal of the power supply, a GND pin is a negative terminal of the power supply, a TXD pin is a serial data output pin and used as a sending end, and K0, K1, K2 and K3 are built-in pull-down resistors of a key input pin, the chip has low power consumption and static current smaller than 1 mu A, is internally provided with the oscillation circuit, only needs to be externally connected with a resistor, is convenient to process and package, is small in size, and does not need to be coded on a PCB.
In this embodiment, the OSC pin of the rf remote control circuit is externally connected to the V + terminal through a resistor R16, the VCC terminal of the rf remote control circuit is grounded through a capacitor C3, and the terminals K3 and K0 of the rf remote control circuit are grounded through a resistor R5 and a resistor R2, respectively.
As shown in fig. 3, in this embodiment, the key circuit further includes a key switch group and a transistor Q1, the key switch group is connected to the base of the transistor Q1 through a resistor R6, the emitter of the transistor Q1 is connected to the VDD terminal, a resistor R7 is connected between the emitter of the transistor Q1 and the base thereof in parallel, and the collector of the transistor Q1 is connected to the ground through the resistor R1 and the light emitting diode.
In this embodiment, further, the key switch group includes a first key switch K1, a second key switch K2 and a third key switch K3 connected in parallel, the first key switch K1 is connected to the K1 terminal of the radio frequency remote control circuit, and the second key switch K2 is connected to the K2 terminal of the radio frequency remote control circuit. When an operator presses a first key switch K1, a second key switch K2 and a third key switch K3 in the key switch group, signals reach the three-stage amplifying circuit through the main chip, the signals are amplified through the three-stage amplifying circuit and transmitted to the spring antenna to generate transmitting signals, the key switch group and the main chip are powered by the power supply, the radio frequency remote control circuit is correspondingly controlled by the control loop according to the working process, the energy consumption is effectively reduced, and therefore remote control is achieved.
In this embodiment, a resonator is further provided between the first power amplifier transistor Q2 and the rf remote control circuit, and the resonator is connected between the emitter and the base of the first power amplifier transistor Q2 through a resistor R11. The resonator is set as a sound meter resonator, and the radio frequency remote control circuit adopts an EV1527 chip to perform precoding first and then is stable through the sound meter resonator.
In this embodiment, further, still include toggle switch and battery shell fragment, toggle switch passes through inductance L8, inductance L7 and links to each other with the drain electrode of transistor Q5, can change the code of remote controller through setting up toggle switch, and then avoids around sign indicating number and many equipment of same place connection.
The working principle and the working process of the utility model are as follows: when the spring antenna works, the spring antenna is electrically connected with the three-stage amplifying circuit through the transistor Q5, the three-stage amplifying circuit is electrically connected with the radio frequency remote control circuit, the radio frequency remote control circuit is also electrically connected with the key circuit, when an operator presses the first key switch K1, the second key switch K2 and the third key switch K3 in the key switch group, signals reach the three-stage amplifying circuit through the main chip, the radio frequency remote control circuit adopts an EV1527 chip for precoding, the frequency is stabilized through the sound meter resonator, the three-stage amplifying circuit is used for receiving a transmitting signal from the resistor R9 and performing a signal amplifying process on the transmitting signal, and the transmitting signal after signal amplification is transmitted to the spring antenna for transmission. The key switch group and the main chip are powered by a power supply, and the radio frequency remote control circuit is correspondingly controlled by the control loop according to the working process, so that the energy consumption is effectively reduced, the remote control is realized, and the remote control device is convenient to use, small in size and low in cost.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (10)
1. The utility model provides a high-gain remote controller, its characterized in that, includes spring antenna, tertiary amplifier circuit and radio frequency remote control circuit, the spring antenna pass through transistor Q5 with tertiary amplifier circuit electric connection, tertiary amplifier circuit with radio frequency remote control circuit electric connection, radio frequency remote control circuit still electric connection has button circuit, radio frequency remote control circuit is used for receiving button circuit's input instruction and transmission signal, tertiary amplifier circuit is used for receiving the transmission signal that comes from resistance R9 and carries out signal amplification process to it, transmission signal transmission after signal amplification extremely the spring antenna transmission.
2. The remote control of claim 1, wherein the three-stage amplifying circuit comprises a first power amplifier transistor Q2, a second power amplifier transistor Q3, and a third power amplifier transistor Q4, the TXD terminal of the radio frequency remote control circuit is connected with the base electrode of the first power amplifier triode Q2 through a resistor R9 and a resistor R10, the collector electrode of the first power amplifier triode Q2 is externally connected with a V + terminal through an inductor L1, and the collector of the first power amplifier triode Q2 is connected with the base of the second power amplifier triode Q3 through a capacitor C6 and an inductor L2, the collector of the second power amplifier transistor Q3 is externally connected with a VDD terminal through an inductor L3, and the collector of the second power amplifier transistor Q3 is connected to the base of the third power amplifier transistor Q4 through a capacitor C8, and the collector of the third power amplifier triode Q4 is externally connected with a VDD terminal through an inductor L4.
3. The high-gain remote controller of claim 2, wherein the spring antenna is connected to the drain of a transistor Q5 through a capacitor C18, a capacitor C17 and an inductor L6 connected in series, the drain of the transistor Q5 is connected to the source of the transistor Q5 through a diode, the gate of the transistor Q5 is connected to the collector of the third power amplifier transistor Q4 through an inductor L5 and a capacitor C10, the gate of the transistor Q5 is externally connected to a V + terminal through a resistor R15 and a resistor R17, and the gate of the transistor Q5 is connected to the TXD terminal of the radio frequency remote control circuit through a resistor R15 and a resistor R18.
4. The high gain remote control of claim 1 wherein said transistor Q5 is configured as an N-type fet.
5. The high-gain remote controller as claimed in claim 1, wherein the chip of the radio frequency remote control circuit is set to be the type of EV 1527.
6. The remote controller as claimed in claim 1, wherein the OSC pin of the rf remote control circuit is externally connected to the V + terminal through a resistor R16, the VCC terminal of the rf remote control circuit is grounded through a capacitor C3, and the K3 terminal and the K0 terminal of the rf remote control circuit are grounded through a resistor R5 and a resistor R2, respectively.
7. The remote controller of claim 1, wherein the key circuit comprises a key switch group and a transistor Q1, the key switch group is connected to the base of the transistor Q1 through a resistor R6, the emitter of the transistor Q1 is externally connected to a VDD terminal, a resistor R7 is connected between the emitter of the transistor Q1 and the base thereof, and the collector of the transistor Q1 is connected to the ground through a resistor R1 and a light emitting diode.
8. The remote controller of claim 7, wherein the key switch group comprises a first key switch K1, a second key switch K2 and a third key switch K3 connected in parallel, the first key switch K1 is connected to the K1 terminal of the rf remote control circuit, and the second key switch K2 is connected to the K2 terminal of the rf remote control circuit.
9. The remote controller of claim 2, wherein a resonator is disposed between said first power transistor Q2 and said rf remote control circuit, said resonator being coupled between the emitter and base of said first power transistor Q2 through a resistor R11.
10. The high-gain remote controller of claim 1, further comprising a toggle switch and a battery dome, wherein the toggle switch is connected to the drain of the transistor Q5 through an inductor L8 and an inductor L7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122737391.3U CN216133502U (en) | 2021-11-09 | 2021-11-09 | High-gain remote controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122737391.3U CN216133502U (en) | 2021-11-09 | 2021-11-09 | High-gain remote controller |
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CN216133502U true CN216133502U (en) | 2022-03-25 |
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CN202122737391.3U Expired - Fee Related CN216133502U (en) | 2021-11-09 | 2021-11-09 | High-gain remote controller |
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CN (1) | CN216133502U (en) |
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2021
- 2021-11-09 CN CN202122737391.3U patent/CN216133502U/en not_active Expired - Fee Related
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220325 |
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CF01 | Termination of patent right due to non-payment of annual fee |