Encryption key circuit

Abstract

The utility model discloses an encryption key circuit, which belongs to the technical field of electronics and comprises a power supply module and a remote control module. An encryption module is arranged between the power supply module and the remote control module, the encryption module comprises a plurality of manual key units which are arranged in parallel, each manual key unit comprises a conduction thyristor, a manual key and a photoelectric coupling protection piece, the manual key and the photoelectric coupling protection piece are connected with the conduction thyristor, and the manual key and the photoelectric coupling protection piece are connected with the conduction thyristor. The conduction thyristor is connected with the power supply module, and the remote control module is connected with the relay unit through the photoelectric coupling protection device. By adopting the encryption key circuit, the arranged encryption module can prevent mistaken touch and misoperation, prevent other people from randomly distributing a network, and maintain family safety. A power supply module is arranged, the power supply module is provided with a power supply socket and a voltage stabilization chip, a power supply battery can provide 7V voltage, the voltage stabilization chip provides stable 5V voltage, a remote control module provides 3.3 V voltage, and a relay unit is connected with 220V commercial power to provide 220V voltage for a circuit.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic technical field especially relates to an encryption keying circuit. BACKGROUND

[0002] With the development of science and technology, smart home has been widely used, which cannot be separated from remote control, adopts the remote control module (for example new easy micro connection 4, WF4A) of remote control ware, the key of the existing remote control module is open use, and there is no key protection, although the operation is simple, but the internet privacy problem also comes, for the network management right problem, no defense, no encryption is not possible. And the existing remote control module needs external circuit, needs professional personnel to operate, and also needs specific power supply voltage, is inconvenient to use, and unstable wireless signal also can influence use. UTILITARIAN CONTENT

[0003] The utility model aims at providing an encryption keying circuit, which solves the above technical problems.

[0004] To achieve the above object, the utility model provides an encryption keying circuit, including power module and remote control module, power module and remote control module are provided with encryption module between, and the encryption module includes a plurality of parallelly connected manual keying unit, and the manual keying unit includes conducting thyristor, manual key and photoelectric coupling protection piece, and the manual key and photoelectric coupling protection piece are connected with conducting thyristor, and the conducting thyristor is connected with power module, and the remote control module is connected with relay unit through photoelectric coupling protection device.

[0005] Preferably, the power module includes a power socket for connecting a 220V power supply, the power socket is connected with the commercial power 220V through a second relay, the power battery is connected with a voltage stabilizing chip, and the voltage stabilizing chip is provided with a voltage stabilizing output end for providing stable voltage for the remote control module and the encryption module.

[0006] Preferably, the remote control module includes at least one internet module connected with the voltage stabilizing output end, the internet module is connected with a Wifi module, a Bluetooth module, an NFC module and a password switch module, and an upper power operation module is arranged between the internet module and the power battery, the upper power operation module includes a photoelectric key and a card swiping module arranged in parallel.

[0007] Preferably, the power input end B3 of the manual key is connected with the voltage stabilizing chip through a resistor, the manual key is provided with a thyristor control output end B1, a thyristor trigger end B2, an internet trigger end A3 and a photoelectric coupling connection end, the photoelectric coupling connection end comprises a first photoelectric coupling connection end A1 and a second photoelectric coupling connection end A2, the first photoelectric coupling connection end A1 and the second photoelectric coupling connection end A2 are connected with a photoelectric coupling protection piece, the thyristor trigger end B2 is connected with the thyristor control output end B1 of the manual key, the conducting thyristor is connected with the photoelectric coupling protection piece, the internet trigger end A3 is connected with an internet module, and the internet trigger end A3 is connected with the second photoelectric coupling connection end A2 of the manual key.

[0008] Preferably, the relay unit comprises a first relay and a second relay, the first relay is used for managing the connection of the conducting thyristor with the photoelectric coupling connection end of the manual key and for switching the management authority of the internet module and the manual key, when the manual key is pressed, the first photoelectric coupling connection end A1 and the second photoelectric coupling connection end A2 are disconnected, the second photoelectric coupling connection end A2 is connected with the internet trigger end A3, the thyristor control output end B1 is disconnected with the thyristor trigger end B2, the thyristor trigger end B2 is connected with the power input end B3 of the manual key, the internet trigger end A3 outputs a low level, and the thyristor trigger end B2 outputs a high level, the second relay is connected with the internet module, and the second relay is connected with the power socket for remote control of the power socket.

[0009] Therefore, the encryption key circuit has the beneficial effects that:

[0010] (1) The power module is provided with a power socket and a voltage stabilizing chip, the power battery can provide 7V, the voltage stabilizing chip can provide 5V, and the remote control module can provide 3.3V, the relay unit is connected with the commercial power 220V to provide 220V voltage for the circuit and provide stable voltage for the external equipment.

[0011] (2) The encryption module comprises a plurality of parallel manual key units, which can prevent accidental touch and operation, prevent others from randomly configuring the network, protect the management right of the remote control module from being misused, protect the family privacy and maintain the family safety.

[0012] (3) The photoelectric coupling protection piece is arranged in the encryption module to isolate the manual key and the power supply and improve the safety in use.

[0013] The technical scheme of the utility model will be further described in detail below with reference to the drawings and embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 Fig. 1 is a principle block diagram of the encryption key circuit according to the utility model embodiment 1;

[0015] Figure 2 It is a kind of encryption key circuit schematic diagram for the utility model embodiment 1;

[0016] Figure 3 It is a kind of encryption key circuit schematic diagram for the utility model embodiment 2;

[0017] Figure 4 It is a kind of encryption key circuit schematic diagram for the utility model embodiment 2; Specific embodiments

[0018] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "upper", "lower", "inner" and "outer" is based on the orientation or position relationship shown in the drawing, or the orientation or position relationship of the utility model product when it is usually placed, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, a particular orientation and operation, so it cannot be understood as a limitation on the utility model. In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "set", "install", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0019] The embodiments of the utility model will be described in detail below with reference to the drawings.

[0020] Embodiment 1

[0021] As Figures 1-2 shown, a kind of encryption key circuit, including power module and remote control module;Power module and remote control module between being provided with encryption module, encryption module includes 12 parallelly connected manual key unit, manual key unit includes conducting thyristor, manual key and photoelectric coupling protection piece, manual key and photoelectric coupling protection piece are connected with conducting thyristor, conducting thyristor is connected with power module, photoelectric coupling protection device is connected with remote control module by relay unit.

[0022] Power module includes the power socket for connecting 220V power supply, power socket is connected with commercial power 220V by second relay, power battery is connected with voltage stabilizing chip, voltage stabilizing chip is provided with the voltage stabilizing output end for remote control module and encryption module provides stable voltage.

[0023] The remote control module comprises at least one internet module connected with the stabilized output end, and the embodiment adopts a new E-Link 4-bit WF4A, a new E-Link 3-bit WF3A and a new E-Link 2-bit WF2A, and the internet module is connected with a Wifi module, a Bluetooth module, an NFC module and a password switch module. The Wifi module, the Bluetooth module and the NFC module are arranged to avoid the failure of communication when the Wifi signal is weak. An upper power operation module is arranged between the internet module and the power supply battery, and the upper power operation module comprises a photocoupler key and a card swiping module arranged in parallel, and the output control of the power supply for the electromagnetic lock or the remote control module is realized through manual key pressing or card swiping.

[0024] The power input end B3 of the manual key is connected with the stabilized chip through a resistor, the manual key is provided with a thyristor control output end B1, a thyristor trigger end B2, an internet trigger end A3 and photocoupler connection ends (A1 and A2), the photocoupler connection ends are connected with a photoelectric coupling protection piece, the thyristor trigger end B2 is connected with a conduction thyristor, the conduction thyristor is connected with the photoelectric coupling protection piece, the internet trigger end A3 is connected with the internet module, and the internet module is connected with the control end of the relay unit.

[0025] The relay unit comprises a first relay and a second relay, the first relay is connected with the photocoupler protection piece and the photocoupler connection end of the manual key for switching the management authority of the internet and the manual key, when the internet module outputs to control the first relay to be closed, the thyristor and the photoelectric coupling protection piece of the manual key unit are all closed, and the manual key loses the management authority. When the manual key is connected with the GND through the password jumper control of the first relay 3 feet, the management authority of the manual key is restored. The second relay is connected with the internet module, and the second relay is connected with the power socket for remote control of the power socket.

[0026] For example, electric vehicle charging timing, remote cooking through a mobile phone, water heating and camera power supply, remote management and monitoring of charging piles and the like. The use method can refer to the use manual of the new E-Link 4-bit WF4A. The password module can realize the control of the corresponding switch by password. For example, opening and closing doors, windows and lights, after the password module is started in the E-Link 4-bit WF4A, the corresponding switch can be controlled by password, and non-contact management is realized.

[0027] The specific process is as follows:

[0028] The power supply is converted into 5V stable voltage through the stabilized chip, and 7V stable voltage enters from the anode of the conduction thyristor A, the cathode of the conduction thyristor K is electrically connected with the jumper terminal of the conduction thyristor, and the gate of the conduction thyristor G is electrically connected with the thyristor trigger end of the manual key. The conduction thyristor connection end is connected with the photoelectric coupling protection piece.

[0029] The light coupling connection end includes a first light coupling connection end A1 and a second light coupling connection end A2, when the manual button is pressed down, the first light coupling connection end A1 and the second light coupling connection end A2 are disconnected, the second light coupling connection end A2 is connected with the internet trigger end A3,

[0030] The thyristor control output end B1 is disconnected with the thyristor trigger end B2, the thyristor trigger end B2 is connected with the power input end B3 of the manual button, the internet trigger end A3 outputs a low level, the thyristor trigger end B2 outputs a high level, the cathode of the thyristor K provides a high level for the light coupling protection, the internet trigger end A3 of the manual button provides a low level trigger signal for the internet module, the internet trigger end A3 outputs a low level, and the corresponding power output end of the internet module flips once. When the first relay power flips, all the conducting thyristors are turned off, and the light coupling protection is turned off. The number code: J1 is the light coupling 1 pin

[0031] The jumper terminal number; U1 is the light coupling number; SW1 is the number of the manual button K8-7071D-L1; J01 is the B1 jumper terminal number of the manual button K8-7071D-L1; J41 is the A3 jumper terminal number of the manual button K8-7071D-L1; Q1 is the thyristor number; J21 is the jumper terminal number of the thyristor K level; the tail number is 1, the password number is 1, J1·U1·SW1·J01·J41·Q1·J21 password is 1;

[0032] J2·U2·SW2·J02·J42·Q2·J22 password is 2;

[0033] J3·U3·SW3·J03·J43·Q3·J23 password is 3;

[0034] J4·U4·SW4·J04·J44·Q4·J24 password is 4;

[0035] J5·U5·SW5·J05·J45·Q5·J25 password is 5;

[0036] J6·U6·SW6·J06·J46·Q6·J26 password is 6;

[0037] J7·U7·SW7·J07·J47·Q7·J27 password is 7;

[0038] J8·U8·SW8·J08·J48·Q8·J28 password is 8;

[0039] J9·U9·SW9·J09·J49·Q9·J29 password is 9;

[0040] J10·U10·SW10·J00·J50·Q10·J30 password is 0;

[0041] J11 · U11 · SW11 · J20 · J51 · Q11 · J31 password is *;

[0042] J12 · U12 · SW12 · J40 · J52 · Q12 · J32 password is #; The same tail number is a unit, each unit is independently used. When setting the password, the electrical jumper connection needs to skip an adjacent password, and the jumper terminal of the adjacent password is the switch of the self-opto coupler protection device. Therefore, the corresponding manual button needs to be skipped forward one password, and the Internet trigger end A3 of the manual button is linked to the thyristor control output end B1, which is the corresponding thyristor of the thyristor trigger end B2. Turning off the previous thyristor saves power, the password can be reused, the password length is increased, and the two groups of password keys are always turned on. In the password setting, a multi-digit password can be set, and then the first few passwords are input, so that the last password can be used to open. When the password is input incorrectly, the full password is required. The full password and half password are selected for use, and the password length is variable, which can determine whether the password has been tampered with.

[0043] When any manual button that is not selected by the password is pressed, the emergency stop will be started, the electrical loop of the conducting thyristor will be disconnected, the conducting thyristor will be turned off, and the opto-coupler protection device will be turned off. In order to disable the emergency stop, the opto-coupler protection device connected in parallel with the manual button is turned on, and the emergency stop switch is disabled.

[0044] The opto-coupler protection device is turned on by the corresponding manual button, the corresponding conducting thyristor is turned on, the password is selected, and the corresponding password manual button can be set according to actual needs, the number can be more or less, and 12 buttons have no usage rules. Any manual button can be selected as the starting button, the A1 and A2 pins of the selected starting manual button are connected with the jumper instead of the opto-coupler protection device, the corresponding manual button is the starting manual button, the conducting thyristor corresponding to the manual button is turned on by pressing the manual button, the jumper is connected to the selected opto-coupler protection device, the opto-coupler protection device is turned on, and the corresponding manual button is connected to the signal transmitter. At this time, the corresponding manual button is the password end key, and the signal is sent to work when the key is pressed. This manual button is not connected to the signal transmitter, but is connected to the opto-coupler protection device, and the corresponding manual button of the opto-coupler protection device is the password key at this time. The password continues until the manual button connected to the signal transmitter (which can be set on any button) is pressed. The device to be controlled is electrically connected to the corresponding jumper terminal.

[0045] The opening and closing of the light coupling protection are controlled by the jumper terminal of the conducting thyristor, and the password can be modified by replacing the jumper terminal. The jumpers are connected in series to form a password. The manual keys are connected in series through the first and second terminals of the light coupling connection end of the manual key, and before the corresponding light coupling protection of the manual key is opened, pressing any manual key will break the electrical connection and turn off all conducting thyristors. The light coupling coupling piece is opened in order until the last key, and the circuit is turned on when the last key is pressed, and the corresponding equipment is controlled, such as emitting a Bluetooth remote control signal, turning on the remote control supported appliance, and turning on the relay to supply power to the socket. The present embodiment can provide password protection for electromagnetic locks, safes, safes, WF4A, and power socket power supply, emit remote control signals, and provide power output. The switch of the WF4A relay power socket is recorded by the internet module in real time and information is pushed to the mobile phone, and the use of the appliance can be remotely managed and monitored. When the charging pile uses the socket, the opening time and closing time of the charging pile will be pushed to the mobile phone.

[0046] Embodiment 2

[0047] As shown in Figures 3-4 , the difference between the present embodiment and embodiment 1 is that the first and second terminals of the light coupling connection end are cross-connected with the two connection ends of the light coupling. When the first terminal is connected to the ground, the second terminal of the manual key needs to pass through the light coupling protection to return to GND, and the switch of the light coupling protection is the password, which can be used directly.

[0048] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application and not to limit them, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: it can still modify or equivalently replace the technical solutions of the present application, and these modifications or equivalent replacements cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the present application.

Claims

1. An encrypted key circuit, characterized by: The power module and the remote control module are provided with an encryption module, the encryption module comprises a plurality of parallelly arranged manual key units, the manual key unit comprises a conduction thyristor, a manual key and a photoelectric coupling protection device, the manual key and the photoelectric coupling protection device are connected with the conduction thyristor, the conduction thyristor is connected with the power module, and the remote control module is connected with a relay unit through the photoelectric coupling protection device.

2. The encrypted key pad circuit of claim 1, wherein: The power module comprises a power socket for connecting a 220V power supply, the power socket is connected with the power supply 220V through a second relay, and the power battery is connected with a voltage stabilizing chip, and the voltage stabilizing chip is provided with a voltage stabilizing output end for providing stable voltage for the remote control module and the encryption module.

3. The encrypted key pad circuit of claim 2, wherein: The remote control module comprises at least one internet module connected with the voltage stabilizing output end, the internet module is connected with a Wifi module, a Bluetooth module, an NFC module and a password switch module, and a power-on operation module is arranged between the internet module and the power battery, the power-on operation module comprises a parallelly arranged photoelectric key and a card swiping module.

4. The encrypted keypad circuit of claim 3, wherein: The power input end B3 of the manual key is connected with the voltage stabilizing chip through a resistor, the manual key is provided with a thyristor control output end B1, a thyristor trigger end B2, an internet trigger end A3 and a photoelectric coupling connection end, the photoelectric coupling connection end comprises a first photoelectric coupling connection end A1 and a second photoelectric coupling connection end A2, the first photoelectric coupling connection end A1 and the second photoelectric coupling connection end A2 are connected with the photoelectric coupling protection device, the thyristor trigger end B2 is connected with the thyristor control output end B1 of the manual key, the conduction thyristor is connected with the photoelectric coupling protection device, the internet trigger end A3 is connected with the internet module, and the internet trigger end A3 is connected with the second photoelectric coupling connection end A2 of the manual key.

5. The encrypted key pad circuit of claim 4, wherein: The relay unit comprises a first relay and a second relay, the first relay is used for managing the connection of the conduction thyristor and the photoelectric coupling connection end of the manual key and for switching the management authority of the internet module and the manual key, when the manual key is pressed, the first photoelectric coupling connection end A1 and the second photoelectric coupling connection end A2 are disconnected, the second photoelectric coupling connection end A2 is connected with the internet trigger end A3, the thyristor control output end B1 is disconnected with the thyristor trigger end B2, the thyristor trigger end B2 is connected with the power input end B3 of the manual key, the internet trigger end A3 outputs a low level, the thyristor trigger end B2 outputs a high level, the second relay is connected with the internet module, and the second relay is connected with the power socket for remote control of the power socket.

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