CN110867064A - Remote controller and protection system - Google Patents
Remote controller and protection system Download PDFInfo
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- CN110867064A CN110867064A CN201911280932.5A CN201911280932A CN110867064A CN 110867064 A CN110867064 A CN 110867064A CN 201911280932 A CN201911280932 A CN 201911280932A CN 110867064 A CN110867064 A CN 110867064A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 230000010355 oscillation Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 9
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 5
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000191 radiation effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007175 bidirectional communication Effects 0.000 description 1
- 230000006854 communication Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00817—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys where the code of the lock can be programmed
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Selective Calling Equipment (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a remote controller and a protection system, wherein the remote controller comprises: button module and radio frequency transmission module, radio frequency transmission module includes: the device comprises a key control module, a coding control module, an emission intensity control module and a logic control module, wherein when the key control module does not identify an effective key signal, the emission intensity control module outputs a first emission intensity, the coding control module outputs a first protocol code, when the key control module identifies an effective key signal, the emission intensity control module outputs a second emission intensity, and the coding control module outputs a second protocol code; the logic control module is used for controlling the radio frequency signal output. The remote controller and the protection system in the invention use the same frequency and different codes, and key parameters such as emission intensity and the like can be upgraded by software without any change in hardware. By applying the unlocking password protection method and device, the unlocking password protection of the electric bicycle is strong, the safety is good, and the operation level is more intelligent and humanized.
Description
Technical Field
The invention belongs to the technical field of communication control, and particularly relates to a remote controller and a protection system.
Background
Nowadays, the smart remote controller and the protection system thereof are widely used in various vehicles, including, for example, PKE (Passive key Entry system) and PEPS (Passive key Entry and Passive Start system). The current PKE and PEPS adopt a dual-frequency (namely low-frequency and high-frequency) transceiving mode, so that the anti-interference performance is better, but the defects are obvious, the cost is high, and the method can only be used in the fields of automobiles and electric motorcycles temporarily. In the fields of transportation means such as electric bicycles and electric tricycles, which are more civilized, and sidewalk access control systems at entrances and exits of communities, people also seek superior feelings brought by intelligent internet of things and the like on the basis of the desire for safety. Therefore, the intelligent remote controller and the protection system thereof are safe, convenient and easy to use.
Therefore, in order to solve the above technical problems, it is necessary to provide a remote controller and a protection system.
Disclosure of Invention
In view of the above, the present invention provides a remote controller and a protection system, so as to meet the requirements of low cost, strong protection and good safety.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
a remote control, the remote control comprising:
the key module is used for outputting an effective key signal;
a radio frequency transmission module comprising:
the key control module is connected with the key module and used for identifying whether the key module outputs an effective key signal or not;
the emission intensity control module is connected with the key control module, and outputs a first emission intensity when the key control module does not identify the effective key signal, and outputs a second emission intensity when the key control module identifies the effective key signal;
the coding control module is connected with the key control module, when the key control module does not identify the effective key signal, the coding control module outputs a first protocol code, and when the key control module identifies the effective key signal, the coding control module outputs a second protocol code;
and the logic control module is connected with the emission intensity control module and the coding control module and is used for controlling the radio frequency signal to be output by the first emission intensity and the first protocol code or output by the second emission intensity and the second protocol code.
In an embodiment, the remote controller further includes an impedance matching module connected to the radio frequency transmission module, and configured to perform impedance matching on the radio frequency signal output by the radio frequency transmission module and then perform lossless output.
In an embodiment, the remote controller further includes an antenna module connected to the impedance matching module, and configured to output the radio frequency signal after impedance matching.
In one embodiment, the remote controller further comprises a radiation enhancement module connected to the antenna module for enhancing the radio frequency signal.
In one embodiment, the radio frequency transmission module further includes an oscillation module connected to the key control module, and a phase-locked loop module connected to the oscillation module, where the phase-locked loop module and the oscillation module are configured to provide a radio frequency.
In an embodiment, the radio frequency transmission module further includes a power amplification module connected to the logic control module and the phase-locked loop module, and configured to amplify the radio frequency signal.
In one embodiment, the radio frequency transmission module further includes an output control module and a low voltage detection module, the output control module is connected to the logic control module and the encoding control module, the low voltage detection module is connected to the logic control module and the output control module, the low voltage detection module detects a power supply voltage, and the output control module is configured to output a protocol encoding signal or an envelope of the protocol encoding signal and whether the power supply is in an under-voltage state.
In one embodiment, the remote controller further comprises a first power supply module, and the first power supply module is used for supplying power to the key module and the radio frequency transmission module.
The technical scheme provided by another embodiment of the invention is as follows:
a protection system, the protection system comprising:
the radio frequency receiving module is used for receiving radio frequency signals, wherein the radio frequency signals are first radio frequency signals based on first transmission intensity and first protocol codes or second radio frequency signals based on second transmission intensity and second protocol codes;
and the singlechip module is connected with the radio frequency receiving module and is used for processing the output signal of the radio frequency receiving module and controlling the accessory module.
In one embodiment, the protection system further comprises a second power supply module, and the second power supply module is used for supplying power to the radio frequency receiving module and the single chip microcomputer module.
Compared with the prior art, the invention has the following advantages:
the remote controller and the protection system in the invention use the same frequency and different codes, and key parameters such as emission intensity and the like can be upgraded by software without any change in hardware. By applying the unlocking password protection method and device, the unlocking password protection of the electric bicycle is strong, the safety is good, and the operation level is more intelligent and humanized.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of a connection structure of a remote controller and a protection system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a connection structure of a remote controller according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a connection structure of an rf transmission module according to an embodiment of the invention;
fig. 4 is a schematic diagram of a connection structure of a protection system according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.
Referring to fig. 1, in an embodiment of the present invention, a remote controller and a protection system are connected by wireless transmission.
The remote controller and the protection system in the present embodiment will be described in detail below with reference to the accompanying drawings.
Referring to fig. 2, the remote controller in this embodiment is an SPEPS remote controller, which includes a first power supply module, a key module, a radio frequency transmission module, an impedance matching module, an antenna module, and a radiation enhancement module, where each module is disposed on a first PCB.
The first power supply module is connected with the radio frequency transmission module and used for supplying power to each module in the remote controller.
The key module is connected with the radio frequency transmission module and is used for outputting effective key signals to the radio frequency transmission module.
The radio frequency transmission module is connected with the impedance matching module, and the radio frequency signal output by the radio frequency transmission module is subjected to impedance matching by the impedance matching module to realize lossless transmission of the signal.
The impedance matching module is connected with the antenna module, and the radio-frequency signals subjected to impedance matching by the impedance matching module are output by the antenna module.
The antenna module is connected with the radiation enhancement module, and the radiation enhancement module is used for enhancing the radiation effect of the radio frequency signals and can achieve the radiation effect of increasing by about 50%.
Referring to fig. 3, the radio frequency transmission module includes a key control module, a transmission intensity control module, a coding control module, a logic control module, an output control module, a low voltage detection module, an oscillation module, a phase-locked loop module, and a power amplification module.
The key control module is connected with the key module and used for identifying whether the key module outputs an effective key signal or not.
The transmission intensity control module is connected with the key control module, when the key control module does not recognize the effective key signal, the transmission intensity control module outputs a first transmission intensity, and when the key control module recognizes the effective key signal, the transmission intensity control module outputs a second transmission intensity.
The coding control module is connected with the key control module, when the key control module does not recognize the effective key signal, the coding control module outputs a first protocol code, and when the key control module recognizes the effective key signal, the coding control module outputs a second protocol code.
The logic control module is connected with the emission intensity control module and the coding control module and is used for controlling the radio frequency signal to be output by the first emission intensity and the first protocol code or output by the second emission intensity and the second protocol code.
In this embodiment, the output control module is connected between the logic control module and the encoding control module, the low voltage detection module is connected to the logic control module and the output control module, the low voltage detection module is used to detect the power voltage, the output control module is used to output the protocol encoding signal or the envelope of the protocol encoding signal and whether the power is in an under-voltage state, the output control module is simultaneously connected to the indicator light, and the indicator light is used to display the protocol encoding signal or the envelope of the protocol encoding signal and the state (normal, under-voltage) of the power voltage.
The oscillation module is connected with the key control module, the phase-locked loop module is connected with the oscillation module, the oscillation module provides fundamental frequency, the phase-locked loop module and the oscillation module are used for providing radio frequency, the power amplification module is connected with the logic control module and the phase-locked loop module, the power amplification module is used for amplifying radio frequency signals, and the protocol coding signals are modulated by the radio frequency, amplified by the power amplification module and output to the impedance matching module.
In this embodiment, an induction device may be added, the induction device is connected to the rf transmission module, the induction device outputs a new effective input signal to the rf transmission module, and the induction device includes various sensors such as an acceleration sensor and a displacement sensor, so that whether to transmit the rf signal and the transmission intensity of the rf signal can be determined according to whether the remote controller has displacement.
Specifically, when a signal is sent out by the key module, the key module is regarded as a valid key signal (a key is pressed), when no signal is sent out by the key module, the key module is regarded as an invalid key signal (no key is pressed), when the invalid key signal is sent out, the key control module starts the emission intensity control module and the coding control module, the emission intensity control module outputs a first emission intensity, the coding control module outputs a first protocol code, the parameter range of the first emission intensity is-30 dBm to-10 dBm, and the current consumption is smaller than 10uA by using the coding protocol of the first protocol coding signal; when the effective key signal is sent out, the emission intensity control module outputs a second emission intensity, the coding control module outputs a second protocol code, the parameter range of the second emission intensity is 0-15 dBm, and the current consumption is smaller than 10mA through the coding protocol of the second protocol code signal.
The first protocol code is formed by combining Manchester coding and Pulse Width Modulation (PWM) coding; the second protocol code (protocol code) is a pulse width modulation code.
As shown in fig. 4, the protection system in the present embodiment is a SPEPS protection system, which includes: the second power supply module, the radio frequency receiving module and the single chip microcomputer module are all arranged on the second PCB.
The second power supply module is connected with the radio frequency receiving module and the single chip microcomputer module and used for supplying power to the radio frequency receiving module and the single chip microcomputer module.
The radio frequency receiving module is connected with the single chip microcomputer module and used for receiving radio frequency signals, and the radio frequency signals are first radio frequency signals based on first transmission intensity and first protocol codes or second radio frequency signals based on second intensity and second protocol codes; the single chip microcomputer module is used for processing an output signal of the radio frequency receiving module so as to control an accessory module of the protection system.
The single chip microcomputer module is connected with the accessory module and outputs control signals to control the operation of the relevant accessory modules on the vehicle.
The receiving sensitivity of the radio frequency receiving module in the embodiment is-120 dBm to-90 dBm, the signal receiving distance of the protection system under the first transmitting intensity is 1m to 10m, and the signal receiving distance under the second transmitting intensity is 50m to 200m, so that the SPEPS (passive keyless unlocking and starting) electric bicycle is realized within the range of 1m to 10m without keys; meanwhile, when the vehicle is in a non-starting state, the protection system does not receive the wireless transmission signal of the remote controller within a certain time, the vehicle is automatically locked, and in the process of bidirectional communication, the protection system is safe and anti-theft, and meanwhile, the convenience in use is brought to a user.
According to the technical scheme, the invention has the following beneficial effects:
the remote controller and the protection system in the invention use the same frequency and different codes, and key parameters such as emission intensity and the like can be upgraded by software without any change in hardware. By applying the unlocking password protection method and device, the unlocking password protection of the electric bicycle is strong, the safety is good, and the operation level is more intelligent and humanized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A remote control, characterized in that the remote control comprises:
the key module is used for outputting an effective key signal;
a radio frequency transmission module comprising:
the key control module is connected with the key module and used for identifying whether the key module outputs an effective key signal or not;
the emission intensity control module is connected with the key control module, and outputs a first emission intensity when the key control module does not identify the effective key signal, and outputs a second emission intensity when the key control module identifies the effective key signal;
the coding control module is connected with the key control module, when the key control module does not identify the effective key signal, the coding control module outputs a first protocol code, and when the key control module identifies the effective key signal, the coding control module outputs a second protocol code;
and the logic control module is connected with the emission intensity control module and the coding control module and is used for controlling the radio frequency signal to be output by the first emission intensity and the first protocol code or output by the second emission intensity and the second protocol code.
2. The remote controller according to claim 1, further comprising an impedance matching module connected to the rf transmission module, for performing impedance matching on the rf signal output by the rf transmission module and then outputting the rf signal without loss.
3. The remote controller according to claim 2, further comprising an antenna module connected to the impedance matching module for outputting the impedance-matched rf signal.
4. The remote control of claim 3, further comprising a radiation enhancement module coupled to the antenna module for enhancing radio frequency signals.
5. The remote controller according to claim 1, wherein the rf transmission module further comprises an oscillation module connected to the key control module, and a phase-locked loop module connected to the oscillation module, the phase-locked loop module and the oscillation module being configured to provide rf frequency.
6. The remote controller according to claim 5, wherein the radio frequency transmission module further comprises a power amplification module connected to the logic control module and the phase-locked loop module for amplifying the radio frequency signal.
7. The remote controller according to claim 6, wherein the radio frequency transmission module further comprises an output control module and a low voltage detection module, the output control module is connected to the logic control module and the encoding control module, the low voltage detection module is connected to the logic control module and the output control module, the low voltage detection module detects a voltage of the power supply, and the output control module is configured to output the protocol encoding signal or an envelope of the protocol encoding signal and whether the power supply is in an under-voltage state.
8. The remote controller according to claim 1, further comprising a first power supply module, wherein the first power supply module is configured to supply power to the key module and the rf transmission module.
9. A protection system, characterized in that the protection system comprises:
the radio frequency receiving module is used for receiving radio frequency signals, wherein the radio frequency signals are first radio frequency signals based on first transmission intensity and first protocol codes or second radio frequency signals based on second transmission intensity and second protocol codes;
and the singlechip module is connected with the radio frequency receiving module and is used for processing the output signal of the radio frequency receiving module and controlling the accessory module.
10. The protection system of claim 9, further comprising a second power supply module configured to supply power to the rf receiving module and the mcu.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911280932.5A CN110867064A (en) | 2019-12-13 | 2019-12-13 | Remote controller and protection system |
| PCT/CN2020/121878 WO2021114873A1 (en) | 2019-12-13 | 2020-10-19 | Remote controller and protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911280932.5A CN110867064A (en) | 2019-12-13 | 2019-12-13 | Remote controller and protection system |
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| CN110867064A true CN110867064A (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911280932.5A Pending CN110867064A (en) | 2019-12-13 | 2019-12-13 | Remote controller and protection system |
Country Status (2)
| Country | Link |
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| CN (1) | CN110867064A (en) |
| WO (1) | WO2021114873A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021114873A1 (en) * | 2019-12-13 | 2021-06-17 | 苏州华芯微电子股份有限公司 | Remote controller and protection system |
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| CN211699180U (en) * | 2019-12-13 | 2020-10-16 | 苏州华芯微电子股份有限公司 | Remote controller and protection system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021114873A1 (en) * | 2019-12-13 | 2021-06-17 | 苏州华芯微电子股份有限公司 | Remote controller and protection system |
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| Publication number | Publication date |
|---|---|
| WO2021114873A1 (en) | 2021-06-17 |
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