CN218383960U

CN218383960U - Burning control panel

Info

Publication number: CN218383960U
Application number: CN202222002697.9U
Authority: CN
Inventors: 吴志勇; 吴星澳; 马含笑
Original assignee: Shenzhen Aoxingao Technology Co ltd
Current assignee: Shenzhen Aoxingao Technology Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-01-24
Anticipated expiration: 2032-07-29

Abstract

The utility model provides a burn record control panel relates to and burns record technical field. The burning control panel comprises a control module, a power supply module, a communication module, a storage module, an anti-dismounting module and an input module; the control module is respectively connected with the power supply module, the communication module, the storage module, the anti-dismounting module and the input module; the anti-dismantling module comprises a level detection module, and the level detection module is used for sensing the change of the level, so that the burning control board destroys stored data when sensing the change of the level. The utility model discloses when having solved current record control panel in the face of illegal dismantlement illegal communication effectively, the problem of the data of storage in the unable protection record control panel.

Description

Burning control panel

Technical Field

The utility model relates to a burn and record technical field, concretely relates to burn and record control panel.

Background

More and more electronic products are provided with chips, and before the chips leave a factory, data (such as codes) required by the electronic products need to be burned in the chips in advance through a chip burning device, wherein the burning can also be understood as programming, and the chip burning device is also called a burner or a burning control board. The complete burning process refers to that the burning code is issued to the burning control board, and the burning control board stores the burning code so as to burn the burning code into the chip.

Once the illegal detachment of the burn control board occurs, the data stored in the burn control board, such as the burn code, is at risk of being lost and stolen.

Therefore, how to effectively protect the data stored in the burning control board needs to be solved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a burning control panel, which comprises a control module, a power module, a communication module, a storage module, an anti-disassembly module and an input module;

the control module is respectively connected with the power supply module, the communication module, the storage module, the anti-dismounting module and the input module;

the anti-dismantling module comprises a level detection module, and the level detection module is used for sensing the change of the level, so that the burning control board destroys stored data when sensing the change of the level.

Optionally, the level detection module includes a first level detection module and/or a second level detection module;

when the first level detection module senses that the input level is changed from low to high, the first level detection module informs the control module to output a destruction signal to the storage module; and/or

When the second level detection module senses that the input level is changed from high to low, the control module is informed to output a destroying signal to the storage module.

Optionally, the power module includes a first voltage regulating unit and a second voltage regulating unit for regulating voltage, so as to supply power to each module of the burning control board according to the regulated voltage.

Optionally, the second voltage regulating unit converts the 5V voltage into a 3.3V voltage.

Optionally, the communication module includes a plurality of interfaces for connecting to an external device, where the plurality of interfaces include one or more interfaces of a GPIO interface, a Type C interface, a Micro USB interface, a UART interface, an IIC interface, an SPI interface, and a USB adapter interface.

Optionally, the storage module is configured to store the data, where the data at least includes a burning code.

Optionally, the input module comprises at least one of:

the wake-up module is used for waking up an interface in the communication module;

the RTC clock module is used for generating a clock signal in the burning control panel so that the burning control panel enters the equipment state of normal operation of the equipment based on the clock signal;

the starting module is used for starting the burning control panel;

the reset module is used for resetting the burning control board;

and the key module is used for comprising a plurality of keys connected with the control module, and when the keys are triggered, the control module detects a trigger signal and controls the burning process according to the trigger signal.

Optionally, the burning control board further includes an offline download detection module connected to the control module, and configured to perform burning in an offline download manner if the burning control board is detected to be offline.

Optionally, the burning control board further includes an indication module connected to the control module, and configured to indicate an apparatus state and/or a burning process of the burning control board.

Optionally, the indication module comprises a number of indicator lights.

The utility model discloses a prevent tearing open the change that the module detected the input level, when detecting the level change, inform control module output and destroy signal to storage module to delete the data in the storage module, prevented to burn and lead to burning the data of storage in the control panel after the control panel is dismantled and revealed.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments of the present application will be briefly described below.

Fig. 1 is a block diagram of a burning control board according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a chip package of a control module according to an embodiment of the present invention;

fig. 3 is a circuit diagram of a power module according to an embodiment of the present invention;

fig. 4 is a circuit diagram of a communication module according to an embodiment of the present invention;

fig. 5 is a circuit diagram of an indication module according to an embodiment of the present invention;

fig. 6 is a circuit diagram of a memory module according to an embodiment of the present invention;

fig. 7 is a circuit diagram of a tamper module according to an embodiment of the present invention;

fig. 8 is a circuit diagram of an input module according to an embodiment of the present invention;

fig. 9 is a circuit diagram of an offline download detection module according to an embodiment of the present invention.

Detailed Description

In order to make the objects, contents, and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.

As shown in fig. 1, fig. 1 is a block diagram of a burning control board provided by an embodiment of the present invention, the burning control board includes: a control module 110, a power module 120, a communication module 130, a storage module 150, a tamper module 160, and an input module 170.

The control module 110 is connected to the power module 120, the communication module 130, the storage module 150, the tamper module 160, and the input module 170, respectively.

The anti-detaching module 160 is used for sensing the level change, so that the stored data is destroyed when the burning control board senses the level change, and the data leakage caused when the burning control board is illegally detached is prevented. The data at least includes a burning code.

Optionally, with reference to fig. 1, the burn-in control board further includes: and the indicating module 140 is connected to the control module 110 and is used for indicating the device state and/or the burning process of the burning control board. The indication module 140 may include a plurality of indication lamps, a plurality of buzzers, and the like, which are not limited herein. Wherein the equipment state at least comprises normal operation of the equipment, abnormal operation of the equipment and the like; the burning process comprises the following steps: write failure, write success, write in progress, etc.

Optionally, with reference to fig. 1, the burn-in control board further includes: the offline download detection module 180 connected to the control module 110 is configured to perform burning in an offline downloading manner if it is detected that the burning control board is offline, or perform burning in an online downloading manner if it is detected that the burning control board is online.

As shown in fig. 2, fig. 2 is a schematic diagram of chip packaging of the control module provided by the embodiment of the present invention, and the CG4Q-V2P _ QFN68 chip package is selected for use by the control module. Of course, in other embodiments, the control module 110 may also be composed of a single chip, a microprocessor MCU, or a central processing unit CPU, and the like, which is not limited herein.

As shown in fig. 3, fig. 3 is a circuit diagram of the power module provided by the embodiment of the present invention, the power module not only provides electric energy for the chip where the burning control board is located, but also provides electric energy for the external chip. The power supply module comprises a first voltage regulating unit and a second voltage regulating unit which are used for regulating voltage, and the power supply module supplies power to each module of the burning control board according to the regulated voltage. The second voltage regulating unit reduces the voltage of the input 5V to 3.3V to adapt to the functional characteristics of the partial module in the recording control board, for example, a USB interface (such as a CH340T interface) of a USB bus can only work at 3.3V.

Specifically, as shown in fig. 3 (a), the first voltage regulating unit includes U6, a first capacitor C10, a second capacitor C11, a first selection switch W1, a second selection switch W2, a first resistor R10, a second resistor R11, and a third resistor R12; the AMS1117 chip can be adopted as U6. One end of the first capacitor C10 is connected with the 5V input voltage and the VIN pin of the chip AMS1117 at the same time, and the other end of the first capacitor C10 is grounded; one end of a second capacitor C11 is connected with one end of the first selection switch W1 and one end of the second selection switch W2, the VOUT pin of the chip AMS1117 and the input voltage, and the other end of the second capacitor C11 is grounded; the other ends of the first selection switch W1 and the second selection switch W2 are respectively connected with one ends of a first resistor R10 and a second resistor R11; the other ends of the first resistor R10 and the second resistor R11 are connected with an ADJ pin of the chip AMS1117 and one end of the third resistor R12; the other end of the third resistor R12 is grounded.

As shown in fig. 3 (b), the second voltage regulating unit includes U3, a third capacitor C40, a fourth capacitor C41, a fifth capacitor C42, and a fourth resistor R5; wherein, the U3 can adopt an SGM2036-3.3YN5G/TR chip. An IN pin of the SGM2036-3.3YN5G/TR chip is connected with a 5V input voltage, a third capacitor C40 and one end of a fourth resistor R5; the other end of the third capacitor C40 is grounded, and the other end of the fourth resistor R5 is connected with an EN pin of the SGM2036-3.3YN5G/TR chip;

the BP pin of the SGM2036-3.3YN5G/TR chip is connected with a fifth capacitor C42, and the other end of the fifth capacitor C42 is grounded; the OUT pin of the SGM2036-3.3YN5G/TR chip is connected with the output voltage and a fourth capacitor C41, and the other end of the fourth capacitor C41 is grounded.

In one embodiment, the communication module includes several interfaces for connecting with external devices, and the several interfaces may be one or more interfaces of a GPIO interface, a Type C interface, a Micro USB interface, a UART interface (i.e. a serial port), an IIC interface, an SPI interface, and a USB transfer interface (e.g. a CH340T interface) to adapt to output interfaces of different external devices. It should be noted that the external device may be an electronic device capable of providing data such as a burning code through a wired/wireless communication method, for example, the electronic device is a desktop computer.

Taking a Type C interface as an example, as shown in fig. 4, the Type C interface includes a J1 chip, a first bidirectional diode D6, a second bidirectional diode D7, and a first inductor LB3; one ends of a first bidirectional diode D6 and a second bidirectional diode D7 are connected with pins G1, G2, G3 and G4 on the J1 chip and one end of a first inductor LB3; the other end of the first bi-directional diode D6, the other end of the second bi-directional diode D7 and the other end of the first inductor LB3 are grounded together.

As shown in fig. 5, fig. 5 is a circuit diagram of an indicating module provided by an embodiment of the present invention, the indicating module includes a plurality of indicating lamps, which are respectively used for indicating different device states and/or different burning processes of the burning controller. In one embodiment, the indicator module includes four colors of indicator lights, which may be LED lights. Wherein: a red indicator light D4 for indicating that the burning process is write-in failure; the yellow indicator light D5 is used for indicating that the burning process is in progress; the blue indicator light D9 is used for indicating that the equipment is in a normal running state; and the emerald green indicator lamp D8 is used for indicating that the burning process is successful in writing.

Taking the display circuit of the red indicator light D4 as an example, the display circuit includes a fifth resistor R13, the red indicator light D4, a first transistor Q1, a sixth resistor R15, a seventh resistor R17, and an input terminal STATE _ LED1. One end of a red indicator lamp D4 is connected with the fifth resistor R13, and the other end of the red indicator lamp D is connected with the anode of the first transistor Q1; the other end of the fifth resistor R13 is connected with the input voltage; a gate electrode of the first transistor Q1 is connected to one ends of the sixth resistor R15 and the seventh resistor R17; the other end of the sixth resistor R15 is connected with the input end STATE _ LED 1; the other end of the seventh resistor R17 is grounded together with the cathode of the first transistor Q1.

As shown in fig. 6, fig. 6 is a schematic view of a storage module according to an embodiment of the present invention, for storing data, where the data at least includes a burning code.

Specifically, in fig. 6, the memory module includes U2, an eighth resistor R4, a ninth resistor R3, a sixth capacitor C1, and a seventh capacitor C2. The storage module 150 adopts an NC/GD25WQ16ESIG chip as U2, a CE _ N pin, an SO pin, an SI pin and an SCK pin of the storage module 150 are respectively connected with an SPIO _ SEL pin, an SPIO _ MISO pin, an SPIO _ MOSI pin and an SPIO _ CLK pin of the control module 110, a WP _ N pin of the storage module 150 is connected with one end of an eighth resistor R4, and a HOLD _ N pin of the storage module 150 is connected with one end of a ninth resistor R3; the other end of the ninth resistor R3 and the other end of the eighth resistor R4 are connected with IO _ POWER; a VDD pin of the storage module 150 is connected with IO _ POWER, one end of a sixth capacitor C1 and one end of a seventh capacitor C2; the other ends of the sixth capacitor C1 and the seventh capacitor C2 are grounded.

As shown in fig. 7, fig. 7 is a circuit diagram of the tamper module provided in the embodiment of the present invention, wherein the tamper module specifically includes a level detection module, the level detection module is used for sensing the change of the level, and when detecting that the level changes, notifies the control module to execute the destruction operation of destroying the storage data.

In one embodiment, the level detection module comprises a first level detection module and/or a second level detection module:

as shown IN fig. 7 (a), when the first level detecting module senses that the input level changes from high to low through the test _ IN4, the first level detecting module notifies the control module, and IN response to the low level, the pin 3 of the control module outputs the destroy signal level to the storage module to delete the important data;

as shown IN fig. 7 (b), when the second level detecting module senses that the input level is changed from low to high through the test _ IN5, the second level detecting module notifies the control module, and IN response to the high level, the pin 3 of the control module outputs the destroy signal level to the memory module to delete the important data.

It is explained here that many disassembly operations trigger a change in level, such as: the short circuit plug externally connected with the burning control board falls off; the shell of the burning control board is opened; the connection line of the burn record control board is detached and disconnected, which is not limited in this embodiment. It should be understood that, in different application scenarios, the disassembly operation may be either the trigger level becoming high or the trigger level becoming low, and therefore, two level detection modules are provided in the present embodiment to adapt to different situations in different application scenarios.

As shown in fig. 8, fig. 8 is a circuit diagram of an input module according to an embodiment of the present invention, where the input module includes at least one of: wake-up module, RTC clock module, start module, reset module, key module, etc.

Specifically, as shown in fig. 8 (a), the wake-up WAKEUP module is used to wake up an interface in the communication module of the burn recording control board. Specifically, the wake-up wake module includes a wake-up input wake _ LP, a tenth resistor R35, an eleventh resistor R36, and an eighth capacitor C39, where the wake-up input wake _ LP is simultaneously connected to one end of the tenth resistor R35, one end of the eleventh resistor R36, and one end of the eighth capacitor C39, the other end of the tenth resistor R35 is connected to the input voltage, and the other end of the eleventh resistor R36 and the other end of the eighth capacitor C39 are both grounded.

As shown in fig. 8 (b), the RTC clock module is used to generate a clock signal inside the burn record control board, so that the burn record control board enters a device state where the device normally operates based on the clock signal. Specifically, the RTC clock module includes a clock input terminal RTC _ CLKIN, a clock output terminal RTC _ CLKOUT, a crystal oscillator X2, a ninth capacitor C35 and a tenth capacitor C38, the clock input terminal RTC _ CLKIN is connected to one end of the ninth capacitor C35 and one end of the crystal oscillator X2 at the same time, one end of the tenth capacitor C38 and the other end of the ninth capacitor C35 are both grounded, and the other end of the tenth capacitor C38 and the other end of the crystal oscillator X2 are connected to the clock output terminal RTC _ CLKOUT at the same time.

As shown in fig. 8 (c), the starting module is used to start the burn control board. Specifically, a pin 1 of the starting module is connected with a power supply voltage; the pin No. 2 of the starting module is connected with a pin WAKE _ DP of the control module; pin No. 3 of the start module is grounded.

As shown in fig. 8 (d), the reset module is used to reset the burn control board. Specifically, the reset module includes: the first switch S1, the twelfth resistor R25, the eleventh capacitor C36, and the reset module input terminal CHIP _ RST; one end of the eighth capacitor C36 is connected to the 1 and 2 wiring ports of the first switch S1, one end of the twelfth resistor R25, and the reset module input terminal CHIP _ RST; the other end of the eleventh capacitor C36 is grounded together with the 3 and 4 wiring ports of the first switch S1; the other end of the twelfth resistor R25 is connected with the input voltage.

As shown in fig. 8 (e), the key module includes a plurality of keys connected to the control module, and is used for detecting the trigger signal when the key is triggered, and controlling the burning process according to the trigger signal. Specifically, the key module includes: the circuit comprises a second Switch S2, a thirteenth resistor R26, a twelfth capacitor C37 and an input end Switch, wherein one end of the twelfth capacitor C37 is simultaneously connected with a wiring port 1 and a wiring port 2 of the second Switch S2, one end of the thirteenth resistor R26 and the input end Switch; the other end of the twelfth capacitor C37 is grounded together with the 3 and 4 wiring ports of the second switch S2; the other end of the thirteenth resistor R26 is connected with the power voltage.

As shown in fig. 9, fig. 9 is a circuit diagram of the Offline download detection module provided by the embodiment of the present invention, the Offline download detection module detects whether the burning control board is online or Offline through Offline _ Detect1/2, respectively, thereby realizing online/Offline downloading during the burning process of the burning code.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and changes can be made without departing from the principle of the present invention, and these modifications and changes should be also considered as the protection scope of the present invention.

Claims

1. A burning control panel comprises a control module, a power supply module, a communication module, a storage module, an anti-dismounting module and an input module;

2. The burn control board of claim 1, wherein the level detection module comprises a first level detection module and/or a second level detection module;

When the second level detection module senses that the input level is changed from high to low, the second level detection module informs the control module to output a destruction signal to the storage module.

3. The burn recording control board of claim 1, wherein the power module comprises a first voltage regulating unit and a second voltage regulating unit for regulating voltage to supply power to each module of the burn recording control board according to the regulated voltage.

4. The programming control board of claim 3, wherein the second voltage regulating unit converts a 5V voltage to a 3.3V voltage.

5. The burn control board of claim 1, wherein the communication module includes a plurality of interfaces for connecting to an external device, the plurality of interfaces including one or more of a GPIO interface, a Type C interface, a Micro USB interface, a UART interface, an IIC interface, an SPI interface, and a USB transfer interface.

6. The burn recording control board of claim 1, wherein the storage module is used for storing the data, and the data at least comprises a burn recording code.

7. The burn control board of claim 1, wherein the input module comprises at least one of:

the starting module is used for starting the burning control panel;

the reset module is used for resetting the burning control board;

and the key module comprises a plurality of keys connected with the control module, and when the keys are triggered, the control module detects a trigger signal and controls the burning process according to the trigger signal.

8. The programming control board of any one of claims 1-7, further comprising an offline download detection module connected to the control module, for performing programming in an offline download manner if the programming control board is detected to be offline.

9. The burn control board of any one of claims 1-7, further comprising an indication module coupled to the control module for indicating a device status and/or a burn process of the burn control board.

10. The burn control board of claim 9, wherein the indicator module includes a plurality of indicator lights.