CN216848735U - Dongle device - Google Patents

Abstract

The utility model discloses a softdog device, which comprises a processor, an oscillator module, a USB interface module and an integrated circuit bus module; the oscillator module is connected with the processor and used for sending a clock signal to the processor; the USB interface module is connected with the processor; the integrated circuit bus module comprises a connector, the connector is connected with the processor, the connector is provided with a plurality of signal end groups and a plurality of grounding end groups, at least one grounding end group is arranged between every two adjacent signal end groups, and each signal end group comprises at least two signal terminals connected in parallel. The utility model discloses set up the oscillator module in the treater outside, can effectively lighten the burden of treater, integrated circuit bus module sets up the ground connection end group and is used for separating two adjacent signal end groups, can effectively avoid the signal mutual interference that two adjacent signal end groups produced, and each signal end group all sets up two at least parallelly connected signal terminal to further improve the interference killing feature of the electric current signal that passes through.

Description

Dongle device

Technical Field

The utility model relates to a technical field of encrypt circuit especially relates to a softdog device.

Background

The dongle is also called a dongle, and is a software and hardware encryption product used for computers, intelligent hardware devices, industrial personal computers, cloud systems and the like. The dongle can be used for software development and is a tool with a software protection function.

The built-in single chip circuit of dongle makes the dongle has the processing ability of judgment, analysis, has strengthened the anti-decryption ability of initiative, and the dongle also contains the parallel port or USB port that is used for realizing being connected with the computer, and the computer establishes communication through USB and dongle, and dongle establishes communication with outside chip, and the computer can indirect control outside chip. In the related technology, because the single chip microcomputer and various circuit modules are integrated in the dongle, the internal structure of the dongle is compact and complex, and signals in the dongle are easy to interfere with each other, which affects normal operation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a softdog device can realize the reliable communication between two communication objects.

According to the utility model discloses a softdog device of embodiment, including treater, oscillator module, USB interface module and integrated circuit bus module; the processor is used for realizing encrypted communication between the first communication object and the second communication object; the oscillator module is connected with the processor and used for sending a clock signal to the processor; the USB interface module is connected with the processor and is used for realizing communication connection between the processor and a first communication object; the integrated circuit bus module comprises a connector, the connector is connected with a processor, the connector is used for realizing communication connection between the processor and a second communication object, the connector is provided with a plurality of signal end groups and a plurality of grounding end groups, at least one grounding end group is arranged between every two adjacent signal end groups, the grounding end groups are used for shielding signal interference between every two adjacent signal end groups, and each signal end group comprises at least two signal terminals connected in parallel.

According to the utility model discloses dongle device has following beneficial effect at least: set up the oscillator module in the treater outside and be used for providing clock signal, can effectively lighten the burden of treater, and can eliminate the inside clock signal of singlechip and receive the defect of interference because of the signal is small easily, and then improve its working property, in addition, an integrated circuit bus module for realizing being connected with one of them communication object sets up the ground terminal group and is used for separating two adjacent signal end groups, can effectively avoid the signal mutual interference that two adjacent signal end groups during operation produced, each signal end group all sets up two at least parallelly connected signal terminal, can show the current capability who improves the signal end group, thereby further improve the interference killing feature of the current signal who passes through, and then can realize the reliable communication between two communication objects.

According to the utility model discloses the dongle device of some embodiments, the connector is double pin connector, and the signal end group includes two parallelly connected signal terminal, and ground terminal includes two parallelly connected ground terminal, follows the direction of arranging of single row terminal in the double pin connector, all is equipped with a ground terminal between per two adjacent signal terminal.

According to the utility model discloses the softdog device of some embodiments, the oscillator module includes clock circuit and annular ground wire, and annular ground wire surrounds outside clock circuit, and annular ground wire is used for shielding electromagnetic signal to clock circuit's interference.

According to the utility model discloses the softdog device of some embodiments, clock circuit is the holohedral symmetry formula structure.

According to the utility model discloses dongle device of some embodiments, the treater is the ARM treater.

According to the utility model discloses the softdog device of some embodiments still includes power module, and power module connects the treater, and power module is used for supplying power for the treater.

According to the utility model discloses the dongle device of some embodiments still includes indicating module, and indicating module connects the treater, and indicating module is used for responding to the operating condition of treater.

According to the utility model discloses dongle device of some embodiments, indicating module includes the LED lighting circuit.

According to the utility model discloses the softdog device of some embodiments still includes the module that resets, and the module that resets connects the treater for reset to the treater.

According to the utility model discloses the dongle device of some embodiments still writes the module including writing, writes the module connection treater for carry out the procedure to the treater and write.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a dongle device according to an embodiment of the present invention;

fig. 2 is a schematic circuit diagram of an integrated circuit bus module in a dongle device according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a circuit structure of an oscillator module in the dongle device according to an embodiment of the present invention;

fig. 4 is a schematic circuit diagram of the dongle device according to the embodiment of the present invention.

Description of reference numerals:

a processor 100;

oscillator module 200, clock circuit 210, ring ground 220;

a USB interface module 300, a signal terminal group 310 and a grounding terminal group 320;

an integrated circuit bus module 400;

a power supply module 500;

an indication module 600;

a reset module 700;

the module 800 is programmed.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated in relation to the orientation description, such as up, down, left, right, front, rear, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

The dongle comprises hardware installed in a parallel port or a USB port of a computer, and a set of interface software and tool software suitable for various languages, and prevents intellectual property rights from being illegally used by protecting software and data based on a hardware protection technology. Many chips integrate communication protocols, but the computer cannot establish contact with the chips, and the communication between the computer and an external chip needs to be established through a dongle so as to indirectly control the chips. In the related art, because a single chip microcomputer and various circuit modules are usually integrated in the dongle at a high density, data transmission in the dongle is easily interfered, which affects the reliability of data transmission, and particularly, an obvious error occurs when a large amount of data is transmitted.

The following describes a dongle device according to the present invention with reference to fig. 1 to 4, which is used to implement encrypted communication between two communication objects.

Referring to fig. 1 to 2, a dongle device according to an embodiment of the present invention includes a processor 100, an oscillator module 200, a USB interface module 300, and an integrated circuit bus module 400; the processor 100 stores an encryption program for implementing encrypted communication between a first communication object and a second communication object, where the first communication object is a computer and the second communication object is an external chip in general; the oscillator module 200 is connected to the processor 100, and is configured to send a clock signal to the processor 100; the USB interface module 300 is connected to the processor 100, and is configured to implement communication connection between the processor 100 and a first communication object, and the USB interface module 300 is specifically configured to convert a serial port protocol into a USB protocol; the integrated circuit bus module 400 includes a connector, the connector is connected to the processor 100, the connector is used for realizing communication connection between the processor 100 and a second communication object, the connector is provided with a plurality of signal terminal groups 310 and a plurality of ground terminal groups 320, at least one ground terminal group 320 is arranged between two adjacent signal terminal groups 310, the ground terminal group 320 is used for shielding signal interference between two adjacent signal terminal groups 310, each signal terminal group 310 includes at least two signal terminals connected in parallel, and the ground terminal group 320 is grounded.

The oscillator module 200 is arranged outside the processor 100 for providing clock signals, so that the burden of the processor 100 can be effectively reduced, the defect that the clock signals in a single chip microcomputer are easy to interfere due to tiny signals can be eliminated, and the working performance of the processor can be improved.

It can be understood that the connector is a dual pin connector, the signal terminal group 310 includes two signal terminals connected in parallel, the ground terminal includes two ground terminals connected in parallel, and a ground terminal is disposed between every two adjacent signal terminals along the arrangement direction of the single pin terminals in the dual pin connector, so that each signal terminal can obtain a reliable anti-interference protection effect.

Specifically, the connector is a ten-wire double-pin connector, and includes three signal terminal groups 310 and two ground terminal groups 320, referring to fig. 2, the three signal terminal groups 310 are an SCL terminal group, an SDA terminal group, and an SVT terminal group, respectively, the SCL terminal group includes two SCL terminals connected in parallel, the SDA terminal group includes two SDA terminals connected in parallel, and the SVT terminal group includes two SVT terminals connected in parallel; the dual pin connectors are arranged in the order of the SCL terminal group, one ground terminal group 320, the SDA terminal group, the other ground terminal group 320 and the SVT terminal group.

It is understood that, referring to fig. 3, the oscillator module 200 includes a clock circuit 210 and a ring ground 220, the ring ground 220 surrounds the clock circuit 210, and surrounds the ring ground 220 to be grounded, the ring ground 220 is used for shielding the clock circuit 210 from electromagnetic signals, and the clock circuit 210 can provide reliable clock signals for the processor 100, thereby ensuring the reliability of data transmission.

It can be understood that the clock circuit 210 has a fully symmetric structure, and the clock circuit 210 having the fully symmetric structure can effectively improve the interference rejection capability of the clock circuit 210.

Specifically, referring to fig. 3, the clock circuit 210 includes a crystal oscillator, a resistor, and two capacitors, two leading-out terminals of the resistor connected in parallel with the crystal oscillator are respectively connected in series with the two capacitors and then grounded, and two ends of the crystal oscillator are respectively an input terminal and an output terminal of the clock circuit 210.

It can be understood that the signal lines of the oscillator module 200 are arranged according to the principle of differential signal line wiring, which can effectively reduce the electrical noise effect during signal transmission, thereby improving the reliability of signal transmission.

It can be understood that the processor 100 adopts a 32-bit ARM processor, the internal clock is 72MHz, the average instruction cycle reaches 1.25MIPS/MHz, the speed of the integrated circuit communication, i.e., IIC communication, can be increased to 10MHz, so as to verify the communication frequency interval of the immature chip to be tested, and verify the stability of the chip to be tested; the immature chip to be tested needs to carry out long-time and non-single communication test to verify the stability of the chip at different aging stages, the ARM processor has a plurality of instructions controlled by a single time, the internal program has large storage capacity, the length of the handling data can reach 1.5W characters, a large amount of data can be calculated, the test use requirement can be effectively met, and the circuit structure of the ARM processor can refer to the related content shown in the figure 4.

It is understood that the dongle device further includes a power module 500, the power module 500 is connected to the processor 100, the power module 500 is used for supplying power to the processor 100, the circuit structure of the power module 500 can refer to the related content shown in fig. 4, the power module 500 can provide 3.3V voltage for the processor 100, and the maximum current can reach 1A.

It can be understood that the dongle device further includes an indication module 600, the indication module 600 is connected to the processor 100, the indication module 600 is used for responding to the working state of the processor 100, and a user can obtain the working state of the dongle device in time through information transmitted by the indication module 600.

Specifically, the indication module 600 includes an LED light-emitting circuit, and the LED light-emitting circuit is controlled by the processor 100 to emit light, so as to indicate the working state of the dongle device in a light effect form, for example, the LED light-emitting circuit can form a light effect of a green light during normal working, and the LED light-emitting circuit forms a flashing light-emitting effect during communication, and the circuit structure of the LED light-emitting circuit specifically refers to the related contents shown in fig. 4.

It is understood that the dongle device further includes a reset module 700, the reset module 700 is connected to the processor 100 and is used for performing a reset operation on the processor 100, the processor 100 will re-execute the program after the reset operation, and the circuit structure of the reset module 700 may specifically refer to the relevant contents shown in fig. 4.

It is understood that the dongle device further includes a programming module 800, the programming module 800 is connected to the processor 100 and is configured to perform program programming, debugging, simulating, and the like on the processor 100, and the circuit structure of the programming module 800 may specifically refer to relevant contents shown in fig. 4.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A dongle device, comprising:

the processor is used for realizing encrypted communication between the first communication object and the second communication object;

the oscillator module is connected with the processor and used for sending a clock signal to the processor;

the USB interface module is connected with the processor and used for realizing communication connection between the processor and the first communication object;

the integrated circuit bus module comprises a connector, wherein the connector is connected with the processor, the connector is used for realizing the communication connection between the processor and the second communication object, the connector is provided with a plurality of signal end groups and a plurality of grounding end groups, at least one grounding end group is arranged between the signal end groups, the grounding end groups are used for shielding adjacent two signal interference between the signal end groups, and each signal end group comprises at least two signal terminals connected in parallel.

2. A dongle device according to claim 1, wherein the connector is a double pin connector, the signal terminal set comprises two parallel signal terminals, and the ground terminal comprises two parallel ground terminals, and one ground terminal is provided between each two adjacent signal terminals along the arrangement direction of the single pin terminals in the double pin connector.

3. A dongle device according to claim 1, wherein the oscillator module comprises a clock circuit and a ring ground surrounding the clock circuit, the ring ground being used to shield the clock circuit from electromagnetic signals.

4. A dongle device according to claim 3 wherein the clock circuit is of a fully symmetric configuration.

5. A dongle device according to claim 1 wherein the processor is an ARM processor.

6. A dongle device according to claim 1 further comprising a power module connected to the processor, the power module for supplying power to the processor.

7. A dongle device according to claim 1 further comprising an indication module coupled to the processor, the indication module being configured to respond to an operating status of the processor.

8. A dongle device according to claim 7, wherein the indication module comprises an LED lighting circuit.

9. A dongle device according to claim 1 further comprising a reset module connected to the processor for resetting the processor.

10. The dongle device of claim 1, further comprising a programming module, connected to the processor, for programming the processor.

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