Device for intelligent key system and vehicle

Abstract

The utility model discloses a device for an intelligent key system and a vehicle, the device for the intelligent key system comprises a control host, the control host comprises a Bluetooth module, and the Bluetooth module has a unique equipment number; the mobile terminal is paired with the control host through a device number so as to realize wireless connection; and the remote controller comprises a radio frequency module, and the radio frequency module integrates a plurality of frequency bands, so that the remote controller identifies and controls the control host in a radio frequency area.

Description

Technical Field

[0001] The utility model belongs to the technical field of electronic systems, and in particular relates to a device and a vehicle used for an intelligent key system. Background Art

[0002] In small and medium-sized cities where rail transit is not well developed, public transportation is less convenient due to the incomplete construction of bus hubs; therefore, vehicles are very common in these cities. Researchers have found that there is a problem with traditional PKE (PASSIVE KEYLESSENTER) vehicles: in basements or areas without signal coverage, due to limited signals, PKE cannot communicate normally with the electronic equipment on the vehicle, resulting in the inability to correctly identify the owner's identity, making it impossible to start the vehicle or perform other PKE functions. Utility Model Content

[0003] The purpose of the utility model is to solve the technical problem that the traditional PKE (PASSIVE KEYLESS ENTER) vehicle cannot communicate normally with the electronic equipment on the vehicle due to limited signal when the vehicle is in a basement or in an area without signal coverage, and to provide a device and a vehicle for a smart key system.

[0004] In order to solve the above problems, the utility model is implemented according to the following technical solutions:

[0005] In a first aspect, the utility model provides a device for a smart key system, the device for a smart key system comprising:

[0006] A control host, the control host comprising a Bluetooth module, the Bluetooth module having a unique device number;

[0007] A mobile terminal, wherein the mobile terminal is paired with the control host through a device number to achieve a wireless connection;

[0008] A remote controller includes a radio frequency module, wherein the radio frequency module integrates multiple frequency bands so that the remote controller can identify and control the control host within a radio frequency area.

[0009] The control host includes a 4G circuit, a GPS module, an ACC detection circuit and a GPS instruction sending circuit. The 4G circuit is connected to the GPS module, the output port of the GPS module is connected to the GPS instruction sending circuit, and the input port of the GPS module is connected to the ACC detection circuit.

[0010] The IO pin of the ACC detection circuit is used to determine whether the ACC is turned on or off;

[0011] If the IO pin = low level (the default level is low) and the time is greater than 50mS, the ACC-IO = ON;

[0012] If the IO pin = high level and the time is greater than 1S, then ACC-IO = OFF.

[0013] The GPS-FD pin of the GPS module is used to output pulse level signals for arming, disarming and learning remote control commands;

[0014] The arming command pulse level signal is a group of low level outputted by the GPS-FD pin 5 times with an interval of 6mS, one group is sent every 30mS, and a total of 5 groups are sent;

[0015] The disarm command pulse level signal is that the GPS-FD pin outputs a group of low levels three times with an interval of 6mS, one group is sent every 30mS, and a total of 5 groups are sent;

[0016] The pulse level signal of the learning remote control command is that the GPS-FD foot outputs 8 low levels at intervals of 6mS, one group is sent every 30mS, and a total of 5 groups are sent.

[0017] The CZ1 pin of the 4G circuit is used to input pulse level signals of reset and vibration commands;

[0018] The reset command pulse level signal is a group of low levels input to the CZ1 pin 10 times with an interval of 6mS, and a group is sent every 30mS, a total of 2 groups;

[0019] The vibration command pulse level signal is a group of low levels input to the CZ1 pin three times with an interval of 6mS, and a group is sent every 30mS, for a total of 2 groups.

[0020] The vibration alarm signal pin of the 4G circuit is used for real-time positioning and vibration reminder;

[0021] If ACC-IO=ON, the vibration alarm signal pin uploads the flag data when ACC is turned on until the platform responds;

[0022] If ACC-IO=OFF, the vibration alarm signal pin uploads the flag data when ACC is turned off until the platform responds.

[0023] The control host includes a power supply circuit, an MCU circuit, a first wireless transmitting circuit connected to the output port of the MCU circuit, a solenoid valve control circuit, a horn control circuit and a turn signal control circuit, and a first wireless receiving circuit, an electric door lock switch detection circuit and a vibration detection circuit connected to the input port of the MCU circuit. The power supply circuit is connected to the MCU circuit, the first wireless transmitting circuit and the first wireless receiving circuit.

[0024] The radio frequency module includes a second wireless transmitting circuit and a second wireless receiving circuit, the second wireless transmitting circuit is wirelessly connected to the first wireless receiving circuit, and the second wireless receiving circuit is wirelessly connected to the first wireless transmitting circuit, so that signals can be sent and received between the remote control and the control host.

[0025] In a second aspect, the utility model provides a vehicle for a smart key system, comprising a device for a smart key system as in any one of the embodiments of the first aspect.

[0026] The vehicle used for the smart key system includes a power supply, a PKE controller, a vehicle main line, an electromagnet, a turn signal light, an unlocking signal switch, an ACC signal switch line, an ACC main line and an ACC signal line. The PKE controller and the negative pole of the power supply are connected to the electromagnet, the PKE controller and the negative pole of the power supply are connected to the turn signal light, the PKE controller and the positive pole of the power supply are connected to the unlocking signal switch, the PKE controller and the vehicle main line are connected to the ACC main line, and the vehicle main line is connected to the ACC signal line.

[0027] Compared with the prior art, the beneficial effects of the utility model are:

[0028] A device for an intelligent key system, the device for the intelligent key system comprising a control host, the control host comprising a Bluetooth module, the Bluetooth module having a unique device number; a mobile terminal, the mobile terminal is paired with the control host through the device number to achieve wireless connection; a remote controller, the remote controller comprising a radio frequency module, the radio frequency module integrating multiple frequency bands, so that the remote controller can identify and control the control host within a radio frequency area; the system adopts a 4G circuit to achieve more accurate regional positioning, and a Bluetooth module is added, the communication range is expanded through 4G and Bluetooth, and the problem of limited signal and abnormal communication due to the short PKE radio frequency is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings, wherein:

[0030] Figure 1 It is a circuit diagram of the 4G circuit of the utility model;

[0031] Figure 2 It is a circuit diagram of the 4G circuit of the utility model;

[0032] Figure 3 It is a circuit diagram of a device for a smart key system of the utility model;

[0033] Figure 4 It is the MCU circuit diagram of the utility model;

[0034] Figure 5 This is the LDO power supply circuit diagram of the utility model;

[0035] Figure 6 This is a DC-DC power supply circuit diagram of the utility model;

[0036] Figure 7 It is a wireless receiving circuit diagram of the utility model;

[0037] Figure 8 It is a wireless transmission circuit diagram of the utility model;

[0038] Fig. 9 This is a solenoid valve control circuit diagram of the utility model;

[0039] Fig.10 This is the electric door lock switch detection circuit diagram of the utility model;

[0040] Fig.11 It is a vibration detection circuit diagram of the utility model;

[0041] Fig.12 This is a speaker control circuit diagram of the utility model;

[0042] Fig.13 It is a turn signal light control circuit of the utility model;

[0043] Fig.14 It is a GPS power supply circuit of the utility model;

[0044] Fig.15 It is a circuit diagram of the Internet of Things chip card of the utility model;

[0045] Fig.16 It is a circuit diagram of the GPS module of the utility model;

[0046] Fig.17 It is a power supply voltage detection circuit diagram of the utility model;

[0047] Fig.18 This is the ACC detection circuit diagram of the utility model;

[0048] Fig.19 It is a circuit diagram of GPS command sending of the utility model;

[0049] Fig. 20 The utility model is a circuit diagram of a vehicle used for a smart key system. DETAILED DESCRIPTION

[0050] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0051] The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of the present utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the utility model described herein can, for example, be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0052] like Figures 1 to 20 As shown, the utility model describes a device for a smart key system, which includes a control host, the control host includes a Bluetooth module, and the Bluetooth module has a unique device number; a mobile terminal, the mobile terminal and the control host are paired through the device number to achieve wireless connection; a remote control, the remote control includes a radio frequency module, and the radio frequency module integrates multiple frequency bands so that the remote control can identify and control the control host within the radio frequency area.

[0053] The control host includes a 4G circuit, a GPS module, an ACC detection circuit and a GPS command sending circuit. The 4G circuit is connected to the GPS module, the output port of the GPS module is connected to the GPS command sending circuit, and the input port of the GPS module is connected to the ACC detection circuit.

[0054] The IO pin of the ACC detection circuit is used to determine whether the ACC is on or off; if the IO pin = low level (the default level is low) and the time is greater than 50mS, then ACC-IO = ON; if the IO pin = high level and the time is greater than 1S, then ACC-IO = OFF.

[0055] The GPS-FD pin of the GPS module is used to output pulse level signals for arming, disarming and learning remote control commands; the arming command pulse level signal is a group of low levels output by the GPS-FD pin 5 times at an interval of 6mS, one group is sent every 30mS, and a total of 5 groups are sent; the disarming command pulse level signal is a group of low levels output by the GPS-FD pin 3 times at an interval of 6mS, one group is sent every 30mS, and a total of 5 groups are sent; the remote control learning command pulse level signal is a group of low levels output by the GPS-FD pin 8 times at an interval of 6mS, one group is sent every 30mS, and a total of 5 groups are sent.

[0056] The CZ1 pin of the 4G circuit is used to input the pulse level signals of the reset and vibration commands; the reset command pulse level signal is a group of low levels input to the CZ1 pin 10 times with an interval of 6mS, and one group is sent every 30mS, for a total of 2 groups; the vibration command pulse level signal is a group of low levels input to the CZ1 pin 3 times with an interval of 6mS, and one group is sent every 30mS, for a total of 2 groups.

[0057] The vibration alarm signal pin of the 4G circuit is used for real-time positioning and vibration reminder; if ACC-IO=ON, the vibration alarm signal pin uploads the flag data when ACC is turned on until the platform responds; if ACC-IO=OFF, the vibration alarm signal pin uploads the flag data when ACC is turned off until the platform responds.

[0058] The control host includes a power supply circuit, an MCU circuit, a first wireless transmitting circuit connected to the output port of the MCU circuit, a solenoid valve control circuit, a horn control circuit and a turn signal control circuit, and a first wireless receiving circuit, an electric door lock switch detection circuit and a vibration detection circuit connected to the input port of the MCU circuit. The power supply circuit is connected to the MCU circuit, the first wireless transmitting circuit and the first wireless receiving circuit.

[0059] The radio frequency module of the remote control includes a second wireless transmitting circuit and a second wireless receiving circuit. The second wireless transmitting circuit of the remote control is wirelessly connected to the first wireless receiving circuit of the control host, and the second wireless receiving circuit of the remote control is wirelessly connected to the first wireless transmitting circuit of the control host, so that signals can be sent and received between the remote control and the control host.

[0060] A vehicle for a smart key system, the vehicle for the smart key system comprising a power supply, a PKE controller, a vehicle main line, an electromagnet, a turn signal light, an unlocking signal switch, an ACC signal switch line, an ACC main line and an ACC signal line, the PKE controller and the negative pole of the power supply are connected to the electromagnet, the PKE controller and the negative pole of the power supply are connected to the turn signal light, the PKE controller and the positive pole of the power supply are connected to the unlocking signal switch, the PKE controller and the vehicle main line are connected to the ACC main line, and the vehicle main line is connected to the ACC signal line.

[0061] In the embodiment, an account can be registered in the application of the mobile terminal (for example, the device number, mobile phone number and verification code are entered to register the account). The device number is the Bluetooth device number burned into the control host Bluetooth module before leaving the factory; then, a new "Bluetooth pairing control key" can be created in the advanced settings page of the mobile terminal to achieve Bluetooth pairing. After successful registration, the device number and password can be identified when the code is scanned again for Bluetooth pairing (for example, the pairing password defaults to the last 6 digits of the device number), and the system automatically obtains the device number and password without the user having to enter them repeatedly.

[0062] When the Bluetooth module is initialized to factory settings, the pairing password will be reset to the last 6 digits of the current device number. If a mobile terminal pairs the Bluetooth module by scanning the "factory pairing code", the Bluetooth module will automatically pair with the current mobile terminal. After confirming the correct connection, the system will immediately issue an operation reminder to change the current password. If the pairing is successful again, the Bluetooth module will send back a confirmation agreement; the Bluetooth module defines the current mobile terminal as the master device; the master device is a mobile terminal that is paired with the factory password and has its MAC address modified; the master device can initialize the module factory settings in the application to clear the MAC addresses of all paired devices, including the master device; the master device can operate the application to turn on / off the module's automatic disarming function;

[0063] When the mobile terminal sends the function instructions of arming, disarming and learning the remote control: (if the mobile terminal is not connected to the control host, it will request to upload the instructions to the background); realize the function of disarming the control key: (for example, click the "unlock control key" on the homepage) If the control host is connected and ACC-IO=OFF, click to turn on the "disarming key", the control host will send back the confirmation protocol and output the disarming pulse signal on FD-IO; realize the function of setting the control key: (for example, click the "lock control key" on the homepage) If the control host is connected and ACC-IO=OFF, click to turn on the "setting the control key", the control host will send back the confirmation protocol and output the arming pulse signal on FD-IO; realize the remote control learning function: (click "send pairing instructions" on the advanced settings page) If the host module is connected and ACC-IO=OFF, the motor turns on the "learning remote control key", the control host will send back the confirmation protocol and output the learning remote control pulse signal on FD-IO;

[0064] Enable the automatic identification and disarming function: You can create a new "Automatic identification and disarming key" in the advanced settings page. When the control host is connected to the main device and the control host ACC-IO = OFF, click to enable the "Automatic identification and disarming key". The control host sends back the confirmation agreement and automatically detects the RSSI value of the main device signal. This function is only limited to the main device and cannot be used by the secondary device.

[0065] When the control host receives the "turn on automatic identification and disarming" command, it obtains the current connection signal RSSI value of the main device and sets the value as the preset initial value of automatic identification and disarming; if the control host ACC-IO = ON, compare the current RSSI value of the main device. If it is less than the preset initial value, the control host sends back a confirmation agreement and outputs a disarming pulse signal on FD-IO (when the automatic identification and disarming is successful); if it is greater than the preset initial value, no output is made; after the automatic identification and disarming is successful, the control host will no longer compare the RSSI value of the main device until ACC-IO = OFF for more than 1 second, and then re-detect the RSSI signal value of the main device and repeat the above steps; the RSSI value of each successful automatic identification and disarming can also be obtained, and the preset initial value can be continuously corrected using an algorithm (bubble or average algorithm) to make the distance between the main device and the control host closer to the use range, thereby improving the safety of the vehicle and the user experience.

[0066] To turn off the automatic identification and disarming function: When the control host is connected to the main device and the control host ACC-IO = OFF, click to turn off the "automatic disarming identification control key", the control host stops comparing the RSSI value of the main device, the control host sends back the confirmation agreement and outputs the arming pulse signal on FD-IO.

[0067] To realize the sharing pairing function: you can create a new "sharing pairing control key" in the advanced settings page. If the main device shares the "Bluetooth key QR code" with other devices, other devices scan the QR code to pair with the Bluetooth module of the control host. After the Bluetooth module is successfully paired with the current device, it will return the pairing success protocol and define the current device as a secondary device.

[0068] To achieve the disconnection function: you can create a new "connection control key" in the advanced settings page. When the control host is connected and ACC-IO=OFF, click the disconnect "connection control key". The control host sends back a confirmation agreement and cancels the handshake connection between the current device and the control host.

[0069] To achieve the reconnection function: When the control host has disconnected the current device from the Bluetooth module and has reached the connection distance, click to turn on the "connection control key", the current device will be re-paired with the Bluetooth module, and the control host will send back a confirmation agreement.

[0070] To achieve the factory reset mode: (factory reset mode is to delete user configuration) you can create a "factory reset control key" in the advanced settings page. Hardware factory reset is: if CZ-IO = reset pulse signal, the control host will restore the factory settings, clear the registered MAC address and restore the factory pairing password. Software factory reset is: if you click to turn on the "factory reset control key", the control host will clear the MAC addresses of all paired devices, including the master device, and restore the factory pairing password.

[0071] To realize the OTA control host function, in the upgrade interface of the paired device, click "Get Upgrade Program". When connected to the control host, click to start "Online Upgrade" and a completion progress bar will pop up. After the control host upgrade is completed, it will send back a confirmation agreement.

[0072] IO method definition:

[0073] (1) ACC-IO input judgment function:

[0074] When IO=low level, the time is greater than 50mS, ACC-IO=ON;

[0075] When IO=high level and the time is greater than 1S, ACC-IO=OFF.

[0076] (2) FD-IO output instructions:

[0077] Arming command pulse level signal: 5 low levels with an interval of 6mS, one group is sent every 30mS, and a total of 5 groups are sent;

[0078] Disarm command pulse level signal: 3 low levels with an interval of 6mS, and 5 groups with an interval of 30mS;

[0079] Learning remote control command pulse level signal: 8 low level signals at 6mS intervals, 5 groups in total at 30mS intervals.

[0080] (3) CZ-IO input level signal function:

[0081] Reset command pulse level signal: 10 low level pulses with an interval of 6mS, one group with an interval of 30mS, 2 groups in total;

[0082] Vibration command pulse level signal: 3 low level signals with an interval of 6mS, one group is sent with an interval of 30mS, and a total of 2 groups are sent.

[0083] The first wireless transmitting circuit and the second wireless transmitting circuit are wireless transmitting circuits with different radio frequency bands, and the first wireless receiving circuit and the second wireless receiving circuit are wireless receiving circuits with different radio frequency bands. The power supply circuit includes an LDO / 3.3V power supply circuit and a DC-DC / 4.2V power supply circuit.

[0084] In terms of hardware system, mobile terminals have a central processing unit, memory, input components and output components. In addition, they can also have multiple input methods, such as keyboard, mouse, touch screen, microphone and camera, etc., and the input can be adjusted as needed. At the same time, mobile terminals often have multiple output methods, such as receiver, display screen, etc., which can also be adjusted as needed. In terms of software system, mobile terminals must have an operating system, such as Windows Mobile, Symbian, Palm, Android, iOS, etc.; in terms of communication capabilities, mobile terminals can support GSM, WCDMA, CDMA2000, TDSCDMA, Wi-Fi and WiMAX, etc., so as to adapt to various network standards and support a variety of wireless data services.

[0085] The device for the smart key system and other structures of the vehicle described in this embodiment refer to the prior art.

[0086] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Therefore, any modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A device for a smart key system, characterized in that: The device for the smart key system comprises: A control host, the control host comprising a Bluetooth module, the Bluetooth module having a unique device number; A mobile terminal, wherein the mobile terminal is paired with the control host through a device number to achieve a wireless connection; A remote controller includes a radio frequency module, wherein the radio frequency module integrates multiple frequency bands so that the remote controller can identify and control the control host within a radio frequency area.

2. A device for a smart key system according to claim 1, characterized in that: The control host includes a 4G circuit, a GPS module, an ACC detection circuit and a GPS instruction sending circuit. The 4G circuit is connected to the GPS module, the output port of the GPS module is connected to the GPS instruction sending circuit, and the input port of the GPS module is connected to the ACC detection circuit.

3. The device for a smart key system according to claim 2, characterized in that: The IO pin of the ACC detection circuit is used to determine whether the ACC is turned on or off; If the IO pin is low level and the time is greater than 50mS, the ACC-IO is ON; If the IO pin = high level and the time is greater than 1S, then ACC-IO = OFF.

4. The device for a smart key system according to claim 2, characterized in that: The GPS-FD pin of the GPS module is used to output pulse level signals for arming, disarming and learning remote control commands; The arming command pulse level signal is a group of low level outputted by the GPS-FD pin 5 times with an interval of 6mS, one group is sent every 30mS, and a total of 5 groups are sent; The disarm command pulse level signal is that the GPS-FD pin outputs a group of low levels three times with an interval of 6mS, one group is sent every 30mS, and a total of 5 groups are sent; The pulse level signal of the learning remote control command is that the GPS-FD foot outputs 8 low levels at intervals of 6mS, one group is sent every 30mS, and a total of 5 groups are sent.

5. The device for a smart key system according to claim 2, characterized in that: The CZ1 pin of the 4G circuit is used to input pulse level signals of reset and vibration commands; The reset command pulse level signal is a group of low levels input to the CZ1 pin 10 times with an interval of 6mS, and a group is sent every 30mS, a total of 2 groups; The vibration command pulse level signal is a group of low levels input to the CZ1 pin three times with an interval of 6mS, and a group is sent every 30mS, for a total of 2 groups.

6. The device for a smart key system according to claim 2, characterized in that: The vibration alarm signal pin of the 4G circuit is used for real-time positioning and vibration reminder; If ACC-IO=ON, the vibration alarm signal pin uploads the flag data when ACC is turned on until the platform responds; If ACC-IO=OFF, the vibration alarm signal pin uploads the flag data when ACC is turned off until the platform responds.

7. The device for a smart key system according to claim 1, characterized in that: The control host includes a power supply circuit, an MCU circuit, a first wireless transmitting circuit connected to the output port of the MCU circuit, a solenoid valve control circuit, a horn control circuit and a turn signal control circuit, and a first wireless receiving circuit, an electric door lock switch detection circuit and a vibration detection circuit connected to the input port of the MCU circuit. The power supply circuit is connected to the MCU circuit, the first wireless transmitting circuit and the first wireless receiving circuit.

8. The device for a smart key system according to claim 7, characterized in that: The radio frequency module includes a second wireless transmitting circuit and a second wireless receiving circuit, the second wireless transmitting circuit is wirelessly connected to the first wireless receiving circuit, and the second wireless receiving circuit is wirelessly connected to the first wireless transmitting circuit, so that signals can be sent and received between the remote control and the control host.

9. A vehicle for a smart key system, characterized in that: A device for a smart key system comprising the device as described in any one of claims 1-8.

10. The vehicle for the smart key system according to claim 9, characterized in that: The vehicle used for the smart key system includes a power supply, a PKE controller, a vehicle main line, an electromagnet, a turn signal light, an unlocking signal switch, an ACC signal switch line, an ACC main line and an ACC signal line. The PKE controller and the negative pole of the power supply are connected to the electromagnet, the PKE controller and the negative pole of the power supply are connected to the turn signal light, the PKE controller and the positive pole of the power supply are connected to the unlocking signal switch, the PKE controller and the vehicle main line are connected to the ACC main line, and the vehicle main line is connected to the ACC signal line.

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