Star flash sensing digital key device

Abstract

The utility model discloses a star flash sensing digital key device. The star flash sensing digital key device is provided with a star flash communication module and a power supply module, wherein the star-flash communication module and the power supply module are fixedly arranged in the key shell, the power supply module is connected with the star-flash communication module and provides a working power supply for the star-flash communication module, and the star-flash communication module is used for sending a star-flash wireless unlocking signal to the outside, so that the target access control device performs an unlocking action after receiving the star-flash wireless unlocking signal; the satellite flash communication module has the characteristics of low power consumption, data safety and data transmission distance, and solves the technical problem that the wireless transmission technology of the digital key device in the related technology cannot consider the power consumption, the safety and the transmission distance at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to wireless equipment technical field especially is related to a star flash perception digital key device. BACKGROUND

[0002] With the development of wireless transmission technology, various unlocking scenes in work and life are applying wireless unlocking mode to provide convenient use experience for users. In related technologies, the digital key device usually applies Bluetooth wireless transmission technology, NFC wireless transmission technology or RFID wireless transmission technology, stores the corresponding pairing ID into the digital key, and then sends it to the target locking device through wireless transmission mode to realize wireless unlocking. However, these traditional digital key wireless transmission technologies still have their own obvious shortcomings. The Bluetooth wireless transmission technology leads to high equipment power consumption due to frequent signal transmission. The NFC wireless transmission technology and the RFID wireless transmission technology have the technical problems of easy data copying, low security and short transmission distance.

[0003] Therefore, how to solve the technical problems existing in the digital key wireless transmission technology in related technologies has become a technical problem to be overcome by the person skilled in the art. CONTENT OF THE UTILITY MODEL

[0004] The utility model provides a star flash perception digital key device to solve the technical problem that the digital key device in related technologies cannot simultaneously consider power consumption, transmission distance and security.

[0005] The utility model discloses a star flash perception digital key device, which comprises:

[0006] The star flash communication module is used for sending a star flash wireless unlocking signal outward.

[0007] The power module is connected with the star flash communication module and is used for providing working power for the star flash communication module.

[0008] The utility model embodiment star flash perception digital key device has at least the following beneficial effects:

[0009] The utility model discloses a star flash perception digital key device, be provided with star flash communication module and power module, wherein, star flash communication module and power module fixedly arranged in key shell, power module is connected with star flash communication module, provides working power supply for star flash communication module, and star flash communication module is used to send star flash wireless unlocking signal outward, so that target access control device is unlocked to star flash wireless unlocking signal and carries out the unlocking action, it utilizes the characteristics that star flash communication module has low power consumption and gives consideration to data security and data transmission distance simultaneously, solves the technical problem that digital key device wireless transmission technique can not give consideration to power consumption, security and transmission distance simultaneously in relevant technique, provides a star flash perception digital key device with low power consumption, high security and good transmission distance.

[0010] According to the star flash perception digital key device of some other embodiments of the utility model, the power module includes built-in power supply, boost circuit and switch reference circuit.

[0011] The built-in power supply is connected with the boost circuit.

[0012] The boost circuit is connected with the switch reference circuit, the star flash communication module respectively.

[0013] The switch reference is also connected with the star flash communication module.

[0014] According to the star flash perception digital key device of some other embodiments of the utility model, the star flash communication module includes EB25 module.

[0015] According to the star flash perception digital key device of some other embodiments of the utility model, still include outward communication interface module to the star flash communication module.

[0016] One end of outward communication interface module is connected with the star flash communication module, and the other end of outward communication interface module is used for connecting external equipment.

[0017] According to the star flash perception digital key device of some other embodiments of the utility model, outward communication interface module includes first level conversion circuit, second level conversion circuit and interface terminal.

[0018] The first level conversion circuit is connected with the star flash communication module, the interface terminal respectively.

[0019] The second level conversion circuit is connected with the star flash communication module, the boost circuit, the interface terminal respectively.

[0020] According to the star flash perception digital key device of some other embodiments of the utility model, the power module still includes external power supply terminal.

[0021] The external power supply terminals are connected with the output terminals of the voltage boosting circuit and the input terminals of the star flash communication module respectively.

[0022] According to the star flash sensing digital key device, the built-in power supply comprises a button cell, and the voltage boosting circuit comprises a voltage boosting chip.

[0023] The button cell is connected with the input terminal of the voltage boosting chip, and the output terminals of the voltage boosting chip are connected with the power supply input terminals of the star flash communication module and the switch-on and switch-off reference circuit respectively. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a specific embodiment module composition schematic view of the star flash sensing digital key device of the utility model;

[0025] Figure 2 is a specific embodiment module composition schematic view of the power supply module in the star flash sensing digital key device of the utility model;

[0026] Figure 3 is another specific embodiment module composition schematic view of the star flash sensing digital key device of the utility model;

[0027] Figure 4 is a specific embodiment module composition schematic view of the external communication interface module in the star flash sensing digital key device of the utility model;

[0028] Figure 5 is a specific embodiment circuit structure schematic view of the star flash communication module in the star flash sensing digital key device of the utility model;

[0029] Figure 6 is a specific embodiment circuit structure schematic view of the voltage boosting circuit in the star flash sensing digital key device of the utility model;

[0030] Figure 7 is a specific embodiment circuit structure schematic view of the first level conversion circuit in the star flash sensing digital key device of the utility model;

[0031] Figure 8 is a specific embodiment circuit structure schematic view of the second level conversion circuit in the star flash sensing digital key device of the utility model;

[0032] Figure 9 is a specific embodiment circuit structure schematic view of the switch-on and switch-off reference circuit in the star flash sensing digital key device of the utility model;

[0033] Figure 10 is a specific embodiment circuit structure schematic view of the external power supply terminal in the star flash sensing digital key device of the utility model;

[0034] Figure 11 is a specific embodiment circuit structure schematic view of the wiring terminal in the star flash perception digital key device external communication interface module. DETAILED DESCRIPTION

[0035] The concept and technical effects of the utility model will be described below in combination with embodiments, so as to fully understand the purpose, features and effects of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments, and other embodiments obtained by those skilled in the art on the basis of the embodiments of the utility model without creative labor are within the protection scope of the utility model.

[0036] In the description of the embodiments of the utility model, if "several" is involved, it means one or more, if "multiple" is involved, it means two or more, if "greater than", "less than" or "more than" is involved, it should be understood as not including the number itself, if "and above", "and below" or "within" is involved, it should be understood as including the number itself. If "first" or "second" is involved, it should be understood as being used to distinguish technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0037] With reference to Figure 1 The utility model embodiment provides a kind of star flash perception digital key, it includes star flash communication module and power module;Wherein, star flash communication module and power module are fixedly set in key shell, power module is connected with star flash communication module, power module is used to provide working power supply for star flash communication module, star flash communication module is used to send star flash wireless unlocking signal to target access control device, realizes wireless unlocking.In the embodiment, by being provided with star flash communication module, utilize the characteristics that star flash communication module has low power consumption while giving consideration to data security and data transmission distance, solve the technical problems of high power consumption when using Bluetooth transmission in the wireless transmission technology of digital key device in the prior art, short transmission distance and poor security when using NFC transmission or RFID transmission technology, provide a kind of star flash perception digital key device with low power consumption, high security and good transmission distance for user.

[0038] In some embodiments, the star flash communication module described in the above embodiment includes EB25 module, and the EB25 module has the advantages of high performance, strong stability and long transmission distance, thereby avoiding the technical problem that power consumption, security and transmission distance cannot be considered simultaneously when designing or manufacturing digital key device.

[0039] With reference to Figure 2In some embodiments, in order to provide stable working power supply for the star flash communication module and ensure the working stability of the star flash sensing digital key device, in the present embodiment, the power supply module includes a built-in power supply, a voltage boosting circuit and a switch-on reference circuit. The output end of the built-in power supply is connected with the input end of the voltage boosting circuit, for outputting a direct current voltage signal to the voltage boosting circuit. The voltage boosting circuit is connected with the switch-on reference circuit and the star flash communication module respectively. The voltage boosting circuit is used for boosting the received direct current voltage signal and supplying power to the star flash communication module. Meanwhile, the other end of the switch-on reference circuit is connected to the star flash communication module. Then, the switch-on reference circuit is used for inputting the boosted direct current voltage signal output by the voltage boosting circuit to the star flash communication module, informing the star flash communication module of the state of the boosted direct current voltage signal output by the voltage boosting circuit, and ensuring that the working voltage received by the star flash communication module is within a preset working voltage range.

[0040] In some embodiments, the built-in power supply described in the above embodiment is implemented by a button cell. The button cell can be installed in a small space, thereby facilitating the reduction of the size of the star flash sensing digital key device and facilitating the user to carry it. In the present embodiment, in order to stably boost the direct current voltage signal output by the button cell for power supply, the voltage boosting circuit includes a voltage boosting chip. Specifically, the output end of the button cell is connected with the input end of the voltage boosting chip. The output of the voltage boosting chip is connected with the switch-on reference circuit and the star flash communication module respectively, for outputting the boosted direct current voltage signal to provide working power supply for the star flash communication module. Meanwhile, the switch-on reference circuit is used for detecting the boosted direct current voltage signal information and transmitting it to the star flash communication module.

[0041] In other embodiments, in order to provide working power supply for the star flash communication module by an external power supply when the built-in power supply cannot normally supply power to the voltage boosting circuit, causing the star flash module to fail to work normally, and the star flash module needs to be powered to work for detection, software installation or software download, the power supply module further includes an external power supply terminal. The external power supply terminal is connected with the output end of the voltage boosting circuit and the power input end of the star flash communication module respectively. Then, when the external power supply terminal is connected to an external power supply, the star flash communication module can be powered.

[0042] Referring to Figure 3 In some embodiments, in order to realize wired connection of the star flash communication module and facilitate the operation convenience when performing software upgrade or software installation, in the present embodiment, the star flash sensing digital key device further includes an external communication interface module. One end of the external communication interface module is connected with the star flash communication module. The other end of the external communication interface module is used for connecting an external device, thereby realizing data communication between the star flash communication module and the external device.

[0043] Referring to Figure 4Specifically, in some embodiments, to realize stable communication between the star flash module and the external device, prevent data communication failure caused by inconsistent interface power supply levels between the star flash module and the external device, and the external communication interface comprises a first level conversion circuit, a second level conversion circuit and an interface terminal; wherein the first level conversion circuit is connected with the star flash communication module and the interface terminal respectively, the second level conversion circuit is connected with the star flash communication module, the output end of the boost circuit and the interface terminal respectively, and the interface terminal is used for connecting the external device. In this embodiment, the first level conversion circuit is a receiving end circuit used when the star flash module and the external device perform data communication, and the second level conversion circuit is a sending end circuit used when the star flash module and the external device perform data communication.

[0044] With reference to Figures 5 to 11 , the following will illustrate the specific implementation mode of the important component module of the access control device based on star flash communication provided by the embodiment of the utility model through a specific embodiment. It should be noted that the embodiment is only a specific embodiment, and no creative improvement is made on this embodiment. Only simple changes still belong to the protection scope of the detection system proposed by the embodiment of the utility model.

[0045] Specifically, with reference to Figure 5 , the star flash communication module comprises an EB25 module and a peripheral circuit, which is used to send a star flash wireless unlocking signal to a target access control device when activated in a preset state; with reference to Figure 6 , the boost circuit comprises a boost chip U2PW5100-3.3, the input end of which is connected with VI N to output a 3V direct current voltage signal of a button cell, and the boost chip U2PW5100-3.3 boosts the 3V direct current voltage signal to a 3.3V direct current voltage signal and outputs the 3.3V direct current voltage signal to the power input end (i.e. VDD_MCU in Figure 5 ) of the star flash communication module; with reference to Figure 7 , the first level conversion circuit comprises a resistor R1 and a diode D2, and the level conversion is realized by the clamping of the voltage drop of the diode D2; with reference to Figure 8 , the second level conversion circuit comprises a resistor R2, a resistor R3, a capacitor C3 and a triode Q3, and the level conversion is realized by the triode Q3; with reference to Figure 9 , the switch-on reference circuit comprises a resistor R7 and a resistor R17, which input the VDD_MCU (3.3V direct current voltage signal) output by the boost circuit to the star flash communication module after voltage reduction, so that the star flash communication module performs switch-on or switch-off action after obtaining the voltage range of VDD_MCU; with reference to Figure 10 , Figure 10 is a specific schematic of the external power supply terminal; with reference to Figure 11 , Figure 11 is a specific schematic of the wiring terminal in the external communication interface module.

[0046] The utility model embodiment has been explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and within the knowledge range possessed by ordinary skilled in the art, various changes can be made without departing from the purpose of the utility model. In addition, the embodiments and the features in the embodiments of the utility model can be combined with each other without conflict.

[0047] The utility model embodiment has been explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and within the knowledge range possessed by ordinary skilled in the art, various changes can be made without departing from the purpose of the utility model. In addition, the embodiments and the features in the embodiments of the utility model can be combined with each other without conflict.

Claims

1. A star flash aware digital key device, characterized by, The application relates to a star flash communication module, which comprises the following parts: a star flash communication module for sending a star flash wireless unlocking signal outward; a power supply module connected with the star flash communication module and used for providing working power for the star flash communication module.

2. The star flash aware digital key device of claim 1, wherein, The power supply module comprises a built-in power supply, a voltage boosting circuit and a switch-on reference circuit; the built-in power supply is connected with the voltage boosting circuit; the voltage boosting circuit is connected with the switch-on reference circuit and the star flash communication module respectively; the switch-on reference circuit is also connected with the star flash communication module.

3. The star flash aware digital key device of claim 1 or 2, wherein, The star flash communication module comprises an EB25 module.

4. The star flash aware digital key device of claim 2, wherein, The application further comprises an external communication interface module; one end of the external communication interface module is connected with the star flash communication module, and the other end of the external communication interface module is used for connecting external equipment.

5. The star flash aware digital key device of claim 4, wherein, The external communication interface module comprises a first level conversion circuit, a second level conversion circuit and an interface terminal; the first level conversion circuit is connected with the star flash communication module and the interface terminal respectively; the second level conversion circuit is connected with the star flash communication module, the voltage boosting circuit and the interface terminal respectively.

6. The star flash aware digital key device of claim 2, wherein, The power supply module further comprises an external power supply terminal; the external power supply terminal is connected with the output end of the voltage boosting circuit and the input end of the star flash communication module.

7. The star flash aware digital key device of claim 2 or 6, wherein, The built-in power supply comprises a button cell, and the voltage boosting circuit comprises a voltage boosting chip; the button cell is connected with the input end of the voltage boosting chip, and the output end of the voltage boosting chip is connected with the switch-on reference circuit and the power supply input end of the star flash communication module respectively.

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