CN110780611A - Auxiliary brushing equipment - Google Patents

Auxiliary brushing equipment Download PDF

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Publication number
CN110780611A
CN110780611A CN201911051716.3A CN201911051716A CN110780611A CN 110780611 A CN110780611 A CN 110780611A CN 201911051716 A CN201911051716 A CN 201911051716A CN 110780611 A CN110780611 A CN 110780611A
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resistor
circuit
voltage
enabling
mos transistor
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CN110780611B (en
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曹健
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Shanghai Smell Information Technology Co Ltd
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Shanghai Smell Information Technology Co Ltd
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00Arrangements for software engineering
    • G06F8/60Software deployment
    • G06F8/65Updates

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
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  • General Engineering & Computer Science (AREA)
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  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Direct Current Feeding And Distribution (AREA)
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Abstract

The invention discloses auxiliary brushing equipment and relates to the field of equipment brushing. This supplementary equipment of brushing machine connects between controlgear and the equipment of treating to brush, includes: the power supply module is used for acquiring a voltage signal of a power supply and providing the power supply for the auxiliary flashing device; the enabling module is used for controlling the output enabling signal according to the voltage signal; the interface module is used for being connected with an M.2 interface of the equipment to be brushed, transmitting the received enabling signal to the equipment to be brushed through the M.2 interface of the equipment to be brushed and enabling the equipment to be brushed to enter a 9008 mode; and the data transmission module is used for transmitting the data of the control equipment to the equipment to be brushed through the interface module when receiving the enabling signal. In the embodiment of the invention, the efficiency of the integral debugging and test verification of the equipment to be brushed is improved, and the false collision rate is reduced.

Description

Auxiliary brushing equipment
Technical Field
The invention relates to the field of equipment brushing, in particular to auxiliary brushing equipment.
Background
With the development of 5G, more and more devices are connected to the mobile network, and new services and applications are in the endlessly. The m.2 interface is an interface specification derived from Intel, has a smaller specification and a higher transmission performance, and is generally widely applied to many devices such as mobile phones, tablet computers, ultra-thin notebooks, and the like. The M.2 interface equipment body is generally only reserved with a measuring point as an enabling signal for entering a 9008 mode, but the M.2 interface equipment is inconvenient in the overall debugging and testing verification state and is easy to mistakenly touch to cause secondary damage.
Disclosure of Invention
The embodiment of the invention provides auxiliary brushing equipment, which aims to improve the debugging and testing efficiency of the equipment to be brushed and reduce the false collision rate under the condition of integral debugging and test verification of the equipment to be brushed.
The embodiment of the invention provides auxiliary brushing equipment, which is connected between control equipment and equipment to be brushed and comprises the following components:
the power supply module is used for acquiring a voltage signal of an external power supply and providing a power supply for the auxiliary flashing device;
the enabling module is used for outputting an enabling signal according to the voltage signal control;
the interface module is used for being connected with an M.2 interface of the equipment to be brushed and transmitting a received enabling signal to the equipment to be brushed through the M.2 interface of the equipment to be brushed so as to enable the equipment to be brushed to enter a 9008 mode;
and the data transmission module is used for transmitting the data of the control equipment to the equipment to be brushed through the interface module when receiving the enabling signal.
Optionally, the power module includes a first voltage dividing circuit and a voltage converting unit;
the first input end of the voltage conversion unit is connected with an external power supply, the second input end of the voltage conversion unit is connected with the output end of the first voltage division circuit, and the output end of the voltage conversion unit is connected with the enabling module.
Optionally, the first voltage dividing circuit includes: the voltage conversion circuit comprises a first resistor and a second resistor, wherein one end of the first resistor is connected with a power supply and a first input end of a voltage conversion unit, the other end of the first resistor is connected with one end of the second resistor and a second input end of the voltage conversion unit, and the other end of the second resistor is grounded.
Optionally, the voltage conversion unit includes a power chip.
Optionally, the enabling module includes a comparing unit, a switching unit, a first enabling circuit, a second voltage dividing circuit, a third voltage dividing circuit, a fourth voltage dividing circuit, and a fifth voltage dividing circuit;
the positive electrode of the first input end of the comparison unit is electrically connected with the output end of the second voltage division circuit, the negative electrode of the first input end of the comparison unit and the positive electrode of the second input end of the comparison unit are respectively electrically connected with the output end of the power supply module, and the negative electrode of the second input end of the comparison unit is electrically connected with the output end of the third voltage division circuit;
the first input end of the switch unit is electrically connected with the first output end of the comparison unit, and the second input end of the switch unit is electrically connected with the second output end of the comparison unit;
the first input end of the first enabling circuit is electrically connected with the output end of the switch unit, the second input end of the first enabling circuit is electrically connected with the output end of the fourth voltage dividing circuit, and the output end of the first enabling circuit is connected with the interface module;
the first input end of the second enabling circuit is electrically connected with the output end of the switch unit, the second input end of the second enabling circuit is electrically connected with the output end of the fifth voltage division circuit, and the output end of the second enabling circuit is connected with the data transmission module.
Optionally, the first enabling circuit includes: the drain electrode of the first MOS tube is electrically connected with one end of the interface module and one end of the third resistor respectively, the other end of the third resistor is electrically connected with the output end of the fourth voltage-dividing circuit, the source electrode of the first MOS tube is grounded, the grid electrode of the first MOS tube is electrically connected with the drain electrode of the second MOS tube, the drain electrode of the second MOS tube is connected with one end of the fourth resistor, the other end of the fourth resistor is connected to the output end of the fourth voltage-dividing circuit, the source electrode of the second MOS tube is grounded, and the grid electrode of the second MOS tube is electrically connected with the output end of the switch unit;
a second enable circuit comprising: the third MOS tube, the fourth MOS tube, a fifth resistor and a sixth resistor, the drain electrode of the third MOS tube is electrically connected with one end of the data transmission module and one end of the fifth resistor respectively, the other end of the fifth resistor is electrically connected with the output end of the fifth voltage-dividing circuit, the source electrode of the third MOS tube is grounded, the grid electrode of the third MOS tube is electrically connected with the drain electrode of the fourth MOS tube, the drain electrode of the fourth MOS tube is connected with one end of the sixth resistor, the other end of the sixth resistor is connected to the output end of the fifth voltage-dividing circuit, the source electrode of the fourth MOS tube is grounded, and the grid electrode of the fourth MOS tube is electrically connected with the output end of the switch unit.
Optionally, the first MOS transistor, the second MOS transistor, the third MOS transistor, and the fourth MOS transistor are NMOS transistors.
Optionally, the second voltage dividing circuit includes: one end of the seventh resistor is connected with an external power supply, the other end of the seventh resistor is connected with one end of the eighth resistor and the anode of the first input end of the comparison unit, and the other end of the eighth resistor is grounded;
the third voltage dividing circuit includes: the device comprises a ninth resistor and a tenth resistor, wherein one end of the ninth resistor is connected with an external power supply, the other end of the ninth resistor is connected with one end of the tenth resistor and the negative electrode of the second input end of the comparison unit, and the other end of the tenth resistor is grounded;
the fourth voltage dividing circuit includes: one end of the eleventh resistor is connected with an external power supply, the other end of the eleventh resistor is connected with one end of the twelfth resistor and the second input end of the first enabling circuit, and the other end of the twelfth resistor is grounded;
the fifth voltage division circuit includes: the power supply circuit comprises a thirteenth resistor and a fourteenth resistor, wherein one end of the thirteenth resistor is connected with an external power supply, the other end of the thirteenth resistor is connected with one end of the fourteenth resistor and a second input end of the second enabling circuit, and the other end of the fourteenth resistor is grounded.
Optionally, the first enabling circuit further includes a first capacitor and a fifteenth resistor, one end of the first capacitor is connected to the drain of the first MOS transistor, the other end of the first capacitor is grounded, one end of the fifteenth resistor is connected to the gate of the second MOS transistor, and the other end of the fifteenth resistor is grounded;
the second enabling circuit further comprises a second capacitor and a sixteenth resistor, one end of the second capacitor is connected with the drain electrode of the third MOS tube, the other end of the second capacitor is grounded, one end of the sixteenth resistor is connected with the grid electrode of the fourth MOS tube, and the other end of the sixteenth resistor is grounded.
Optionally, the system further comprises a USB interface module, configured to connect with a USB interface of the control device to obtain data of the control device and transmit the data to the data transmission module.
In the embodiment of the invention, the enabling module is arranged in the auxiliary brushing equipment, so that on one hand, the enabling module outputs the enabling signal to be transmitted to the equipment to be brushed through the interface module to enable the equipment to be brushed to enter a 9008 mode, and on the other hand, the enabling module outputs the enabling signal to control the enabling of the data transmission module, so that the data of the control equipment is transmitted to the equipment to be brushed through the data transmission module and the interface module, the efficiency of integral debugging and test verification of the equipment to be brushed is improved, and the false collision rate is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an auxiliary brushing apparatus according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of an auxiliary brushing apparatus in a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a power module in an auxiliary flashing device according to a second embodiment of the present invention;
fig. 4 is a schematic structural diagram of an auxiliary brushing apparatus in a third embodiment of the present invention;
FIG. 5 is a first enabling circuit diagram of the enabling module according to the third embodiment of the present invention;
FIG. 6 is a second enabling circuit diagram of the enabling module according to the third embodiment of the present invention;
fig. 7 is a circuit diagram of the overall structure of the auxiliary brushing apparatus in the third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a schematic structural diagram of an auxiliary brushing apparatus according to an embodiment of the present invention, and as shown in fig. 1, an auxiliary brushing apparatus 70 is connected between a control apparatus 50 and an apparatus to be brushed 60, and includes: the power module 10 is used for acquiring a voltage signal of an external power supply and providing power for the auxiliary brushing equipment 70; an enable module 20 for controlling an output enable signal according to the voltage signal; the interface module 30 is configured to connect to an m.2 interface of the device to be brushed 60, and transmit the received enable signal to the device to be brushed 60 through the m.2 interface of the device to be brushed 60, so that the device to be brushed 60 enters a 9008 mode; and the data transmission module 40 is used for transmitting the data of the control device 50 to the device to be brushed 60 through the interface module 30 when the enabling signal is received.
In the technical solution of the above embodiment, the power module 10 acquires a voltage signal of an external power supply, and converts the voltage signal of the external power supply into a voltage required by the auxiliary brush equipment for output, the enable module 20 obtains the voltage output by the power module 10, and outputs an enable signal when the acquired voltage meets a preset condition, the enable module 20 can output different enable signals, one of the enable signals is a 9008 enable signal, the 9008 enable signal is output to the interface module 30, the interface module 30 transmits the received 9008 enable signal to the to-be-brushed equipment 60 through an m.2 interface of the to-be-brushed equipment 60, so that the to-be-brushed equipment 60 enters a 9008 mode; another enable signal output by the enable module 20 is a data transmission enable signal, the data transmission enable signal is output to the data transmission module 40, the data transmission module 40 is turned on after receiving the data transmission enable signal, and the data of the control device 50 is transmitted to the device to be brushed 60 through the interface module 30.
According to the technical scheme of the embodiment, the enabling module, the interface module and the data transmission module are arranged in the auxiliary refreshing equipment, so that on one hand, the enabling module generates 9008 enabling signals and transmits the enabling signals to the equipment to be refreshed through the interface module connected with the M.2 interface of the equipment to be refreshed, and the equipment to be refreshed enters a 9008 mode; on the other hand enable module generates data transmission enable signal, utilizes data transmission enable signal to switch on data transmission module to make data transmission module pass through interface module with controlgear's data transmission to waiting to brush the equipment, utilize supplementary machine swiping equipment to realize making waiting to brush equipment and get into 9008 mode machine swiping, improved waiting to brush equipment whole debugging and test verification's efficiency, reduced the mistake and bumped the rate.
Example two
Fig. 2 is a schematic structural diagram of an auxiliary flashing device according to a second embodiment of the present invention, and as shown in fig. 2, the power module includes a first voltage dividing circuit 110 and a voltage converting unit 120; the first input terminal 11 of the voltage converting unit 120 is connected to the external power source VBUS, the second input terminal 12 of the voltage converting unit 120 is connected to the output terminal of the first voltage dividing circuit 110, and the output terminal of the voltage converting unit 120 is connected to the enabling module 20.
Alternatively, referring to fig. 3, the first voltage dividing circuit 110 includes: the first resistor R1 and the second resistor R2, one end of the first resistor R1 is connected to the external power source VBUS and the first input terminal 11 of the voltage converting unit 120, the other end of the first resistor R1 is connected to one end of the second resistor R2 and the second input terminal 12 of the voltage converting unit 120, and the other end of the second resistor R2 is grounded.
Optionally, the voltage conversion unit 120 includes a power chip.
The voltage conversion unit 120 converts the voltage of the external power source VBUS into a voltage required by the auxiliary brushing device by selecting different types of power source chips. Further, when the voltage converting unit 120 includes a power chip, the first input terminal 11 of the voltage converting unit 120 is a power input terminal, and the second input terminal 12 of the voltage converting unit 120 is an enable terminal. After the power module is connected to the external power source VBUS, the external power source supplies power to the power chip, and the first voltage dividing circuit 110 inputs the obtained divided voltage of the external power source VBUS to the enabling end of the power chip to enable the power chip, so that the power chip converts the obtained voltage of the external power source VBUS into a voltage required by the auxiliary brush device, for example, 3.3V. It should be noted that the voltage conversion unit 120 may select a power chip, or may select another voltage conversion circuit or a similar voltage converter, which is not limited in the embodiment of the present invention as long as the voltage output by the voltage conversion unit 120 meets the requirements of the device.
In the technical solution of the above embodiment, the output terminal of the first voltage dividing circuit 110 in the power module 10 is connected to the second input terminal 12 of the voltage converting unit 120, the first input terminal 11 of the voltage converting unit 120 is connected to the external power VBUS, the voltage converting unit 120 provides the power supply voltage through the external power VBUS, and the second input terminal 12 of the voltage converting unit 120 is applied through the first voltage dividing circuit 110, so that the voltage converting unit 120 outputs the control voltage to be applied to the enabling module 20.
It should be noted that the voltage output by the voltage conversion unit 120 is used to supply power to the auxiliary brushing device to meet the power supply requirement of the auxiliary brushing device, and acts on the enabling module 20 to enable the enabling module 20 to output the enabling signal when the voltage output by the voltage conversion unit 120 meets the preset condition.
According to the technical scheme, the voltage conversion unit is arranged on the power supply module, on one hand, the voltage of the external power supply is converted into the voltage required by the auxiliary brush equipment, on the other hand, the voltage of the external power supply is converted into different voltages and output to the enabling module, and enabling voltage is provided for the enabling module. The external voltage is converted into the voltage which can be used by the auxiliary brushing equipment, so that the use safety of the auxiliary brushing equipment is improved.
EXAMPLE III
Fig. 4 is a schematic structural diagram of an auxiliary brushing apparatus according to a third embodiment of the present invention, and as shown in fig. 4, the enabling module includes a comparing unit 210, a switching unit 220, a first enabling circuit 230, a second enabling circuit 240, a second voltage dividing circuit 250, a third voltage dividing circuit 260, a fourth voltage dividing circuit 270, and a fifth voltage dividing circuit 280.
The positive pole 21+ of the first input terminal of the comparing unit 210 is electrically connected to the output terminal of the second voltage dividing circuit 250, the negative pole 21-of the first input terminal of the comparing unit 210 and the positive pole 22+ of the second input terminal of the comparing unit are electrically connected to the output terminal of the power module 10, respectively, and the negative pole 22-of the second input terminal of the comparing unit 210 is electrically connected to the output terminal of the third voltage dividing circuit 260.
The first input 25 of the switching unit 220 is electrically connected to the first output 23 of the comparing unit 210, and the second input 26 of the switching unit 220 is electrically connected to the second output 24 of the comparing unit.
The first input terminal 27 of the first enabling circuit 230 is electrically connected to the output terminal of the switch unit 220, the second input terminal 28 of the first enabling circuit 230 is electrically connected to the output terminal of the fourth voltage dividing circuit 270, and the output terminal of the first enabling circuit 230 is connected to the interface module 30.
The first input terminal 29 of the second enabling circuit 240 is electrically connected to the output terminal of the switch unit 220, the second input terminal 31 of the second enabling circuit 240 is electrically connected to the output terminal of the fifth voltage divider circuit 280, and the output terminal of the second enabling circuit 240 is connected to the data transmission module 40.
In the technical solution of the above embodiment, when the voltage of the positive pole 21+ of the first input terminal of the comparing unit 210 is greater than the voltage of the negative pole 21-of the first input terminal, the first output terminal 23 of the comparing unit outputs a high level signal, and when the voltage of the positive pole 21+ of the first input terminal of the comparing unit 210 is less than the voltage of the negative pole 21-of the first input terminal, the first output terminal 23 of the comparing unit outputs a low level signal; when the voltage of the positive pole 22+ of the second input terminal of the comparing unit 210 is less than the voltage of the negative pole 22-, the second output terminal 24 outputs a low level signal. A first input terminal 25 of the switching unit 220 is electrically connected to the first output terminal 23 of the comparing unit 210 to receive the high/low level signal of the first output terminal 23 of the comparing unit 210, and a second input terminal 26 of the switching unit 220 is electrically connected to the second output terminal 24 of the comparing unit to receive the high/low level signal of the second output terminal 24 of the comparing unit 210; when the first output terminal 23 of the comparing unit 210 outputs a high level signal, and the second output terminal 24 of the comparing unit 210 outputs a high level signal, the switching unit outputs a high level signal; when the first output terminal 23 of the comparing unit 210 outputs a high level signal and the second output terminal 24 of the comparing unit 210 outputs a low level signal, the switching unit outputs a low level signal; when the first output terminal 23 of the comparing unit 210 outputs a low level signal and the second output terminal 24 of the comparing unit 210 outputs a high level signal, the switching unit outputs a low level signal; when the first output terminal 23 of the comparing unit 210 outputs a low level signal, and the second output terminal 24 of the comparing unit 210 outputs a low level signal, the switching unit outputs a low level signal. The first enabling circuit and the second enabling circuit control enabling of the enabling circuit according to high-low level signals output by the switch circuit.
Fig. 5 is a first enabling circuit diagram of an enabling module according to a third embodiment of the present invention, and as shown in fig. 5, the first enabling circuit 230 includes: the first MOS transistor Q1, the second MOS transistor Q2, the third resistor R3 and the fourth resistor R4, a drain of the first MOS transistor Q1 is electrically connected to one end of the interface module 30 and one end of the third resistor R3, the other end of the third resistor R3 is electrically connected to an output end of the fourth voltage-dividing circuit 270, a source of the first MOS transistor Q1 is grounded, a gate of the first MOS transistor Q1 is electrically connected to a drain of the second MOS transistor Q2, a drain of the second MOS transistor Q2 is connected to one end of the fourth resistor R4, the other end of the fourth resistor R4 is connected to an output end of the fourth voltage-dividing circuit 270, a source of the second MOS transistor Q2 is grounded, and a gate of the second MOS transistor Q2 is electrically connected to an output end of the switching unit 220.
The gate of the second MOS transistor Q2 of the first enable circuit 230 is electrically connected to the output terminal of the switch unit 220, and the first enable circuit 230 is controlled to be enabled according to the high-low level signal output by the switch unit 220. When the switch unit 220 outputs a high-level signal, the second MOS transistor Q2 is turned on, the first MOS transistor Q1 is not turned on, the interface module 30 is connected to the output end of the fourth voltage-dividing circuit 270, at this time, the interface module 30 is at a high level, that is, the enable signal of the enable end of the first enable circuit 30 is at a high level, the first enable circuit 30 is enabled, the enable signal corresponding to the first enable circuit 30 is a 9008 enable signal, the high-level 9008 enable signal is valid, the interface module 30 transmits the high-level 9008 enable signal to the device to be brushed 60 through the m.2 interface of the device to be brushed 60, and the device to be brushed 60 enters a 9008 mode according to the 9008 enable signal; when the switch unit 220 outputs a low level signal, the second MOS transistor Q2 is not turned on, the first MOS transistor Q1 is turned on, the interface module 30 is at a low level, that is, the enable signal of the enable end of the first enable circuit 30 is at a low level, the enable signal corresponding to the first enable circuit 30 is at a low level, and the 9008 enable signal at the low level is invalid, at this time, the device to be brushed does not enter the 9008 mode.
Optionally, the first enabling circuit 230 further includes a first capacitor C1 and a fifteenth resistor R15, one end of the first capacitor C1 is connected to the drain of the first MOS transistor MOS1, the other end of the first capacitor C1 is grounded, one end of the fifteenth resistor R15 is connected to the gate of the second MOS transistor MOS2, and the other end of the fifteenth resistor R15 is grounded.
The first capacitor C1 and the fifteenth resistor R15 of the first enabling circuit 230 are used for protecting the circuit.
Fig. 6 is a second enabling circuit diagram of an enabling module according to an embodiment of the present invention, and as shown in fig. 6, the second enabling circuit 240 includes: a third MOS transistor Q3, a fourth MOS transistor Q4, a fifth resistor R5 and a sixth resistor R6, wherein a drain of the third MOS transistor Q3 is electrically connected to one end of the data transmission module 40 and one end of the fifth resistor R5, the other end of the fifth resistor R5 is electrically connected to an output end of the fifth voltage dividing circuit 280, a source of the third MOS transistor Q3 is grounded, a gate of the third MOS transistor Q3 is electrically connected to a drain of the fourth MOS transistor Q4, a drain of the fourth MOS transistor Q4 is connected to one end of the sixth resistor R6, the other end of the sixth resistor R6 is connected to an output end of the fifth voltage dividing circuit 280, a source of the fourth MOS transistor Q4 is grounded, and a gate of the fourth MOS transistor Q4 is electrically connected to an output end of the switching unit 220.
The gate of the fourth MOS transistor Q4 of the second enable circuit 240 is electrically connected to the output terminal of the switch unit 220, and the second enable circuit 240 is controlled to be enabled according to the high-low level signal output by the switch unit 220. When the switching unit 220 outputs a high level signal, the fourth MOS transistor Q4 is turned on, the third MOS transistor Q3 is turned off, the data transmission module 40 is connected to the output end of the fifth voltage divider circuit 280, at this time, the data transmission module 40 is at a high level, that is, the data transmission enable signal of the second enable circuit 240 is at a high level, and when the data transmission module 40 receives the data transmission enable signal at a high level, the data transmission module 40 is turned on; when the switch unit 220 outputs a low level signal, the fourth MOS transistor Q4 is not turned on, the third MOS transistor Q3 is turned on, the data transmission enable signal of the second enable circuit 240 is at a low level, and when the data transmission module 40 receives the low level data transmission enable signal, the data transmission module 40 is in a turned-off state.
Optionally, the first MOS transistor Q1, the second MOS transistor Q2, the third MOS transistor Q3, and the fourth MOS transistor Q4 are NMOS transistors.
The first MOS transistor Q1, the second MOS transistor Q2, the third MOS transistor Q3, and the fourth MOS transistor Q4 are all NMOS transistors, and by providing a first MOS transistor Q1 and a second MOS transistor Q2 as dual MOS transistors in the first enable circuit 230 and a third MOS transistor Q3 and a fourth MOS transistor Q4 as dual MOS transistors in the second enable circuit 240, the first enable circuit 230 and the second enable circuit 240 are protected from mode switching when the auxiliary brush device does not reach the rated operating voltage, and the circuit is protected.
Optionally, the second enabling circuit 240 further includes a second capacitor C2 and a sixteenth resistor R16, one end of the second capacitor C2 is connected to the drain of the third MOS transistor Q3, the other end of the second capacitor C2 is grounded, one end of the sixteenth resistor R16 is connected to the gate of the fourth MOS transistor Q4, and the other end of the sixteenth resistor R16 is grounded.
The second capacitor C2 and the sixteenth resistor R16 of the second enabling circuit 240 are used for protecting the circuit.
In one embodiment, the auxiliary flash device 70 further includes a USB interface module, which is used to connect with a USB interface of the control device 50 to obtain data of the control device 50 for transmission to the data transmission module 40. Specifically, one end of the auxiliary brushing device 70 is provided with a USB interface module for connecting with the control device 50 through a USB interface of the control device 50, and the other end of the auxiliary brushing device 70 is provided with an interface module for connecting with the device to be brushed 60 through an m.2 interface of the device to be brushed 60. The control device 50 transmits USB data to the data transmission module 40 through the USB interface, and when the data transmission module 40 receives a high-level data transmission enable signal, specifically, the data transmission enable signal is a USB enable signal, and transmits the received USB data of the control device 50 to the device to be brushed 60 through the interface module 30.
It should be noted that, the data transmission manner of the data transmission module 40 is not limited in this application, and any manner that can realize the control module 50 to transmit data to the device to be brushed 60 through the data transmission module 40 is within the protection scope of this application.
Fig. 7 is a circuit diagram of an overall structure of an auxiliary brushing apparatus according to an embodiment of the present invention, as shown in fig. 7, the circuit diagram of the overall structure of the auxiliary brushing apparatus further includes a second voltage dividing circuit including 250, a third voltage dividing circuit including 260, a fourth voltage dividing circuit 270, and a fifth voltage dividing circuit 280, with reference to fig. 4 and 7;
the second voltage dividing circuit 250 includes: a seventh resistor R7 and an eighth resistor R8, wherein one end of the seventh resistor R7 is connected to the external power source VBUS, the other end of the seventh resistor R7 is connected to one end of the eighth resistor R8 and the positive electrode 21+ of the first input terminal of the comparing unit 210, and the other end of the eighth resistor R8 is grounded.
The second voltage divider circuit 250 provides a voltage to the positive electrode 21+ of the first input terminal of the comparison unit 210 through the output terminal, so as to implement the voltage comparison of the first input terminal of the comparison unit 210.
The third voltage dividing circuit 260 includes: a ninth resistor R9 and a tenth resistor R10, wherein one end of the ninth resistor R9 is connected to the external power supply VBUS, the other end of the ninth resistor R9 is connected to one end of the tenth resistor R10 and the negative electrode 22-of the second input terminal of the comparison unit 210, and the other end of the tenth resistor R10 is grounded;
the third voltage dividing circuit 260 provides a voltage to the negative pole 22-of the second input terminal of the comparing unit 210 through the output terminal, so as to implement the voltage comparison of the second input terminal of the comparing unit 210.
The fourth voltage dividing circuit 270 includes: an eleventh resistor R11 and a twelfth resistor R12, wherein one end of the eleventh resistor R11 is connected to the external power source VBUS, the other end of the eleventh resistor R11 is connected to one end of the twelfth resistor R12 and the second input terminal 28 of the first enable circuit 230, and the other end of the twelfth resistor R12 is grounded.
The fourth voltage divider 270 is connected to the second input terminal 28 of the first enable circuit 230 through an output terminal, and controls the enabling of the first enable circuit 230 in cooperation with the enable signal output by the switch unit 220.
The fifth voltage dividing circuit 280 includes: a thirteenth resistor R13 and a fourteenth resistor R14, wherein one end of the thirteenth resistor R13 is connected to the external power supply VBUS, the other end of the thirteenth resistor R13 is connected to one end of the fourteenth resistor R14 and the second input terminal 31 of the second enable circuit 240, and the other end of the fourteenth resistor R14 is grounded.
The fifth voltage divider 280 is connected to the second input terminal 31 of the second enable circuit 240 through an output terminal, and controls the enabling of the second enable circuit 240 in cooperation with the enable signal output by the switch unit 220.
It should be noted that the output terminals of the fourth voltage dividing circuit 270 and the fifth voltage dividing circuit 280 are respectively connected to the second input terminal 28 of the first enabling circuit 230 and the second input terminal 31 of the second enabling circuit 240, and the appropriate voltage is provided to the first enabling circuit 230 and the second enabling circuit 240 through the fourth voltage dividing circuit 270 and the fifth voltage dividing circuit 280. The fourth voltage divider 270 and the fifth voltage divider 280 may be replaced by a power chip, and directly output appropriate voltages to the first enable circuit 230 and the second enable circuit 240.
According to the technical scheme, the comparison unit, the switch unit, the first enabling circuit, the second voltage division circuit, the third voltage division circuit, the fourth voltage division circuit and the fifth voltage division circuit are arranged in the enabling module, the first enabling circuit enables the device to be brushed to enter a 9008 mode, the second enabling circuit enables the data transmission module to be conducted, and data transmission between the control device and the device to be brushed is achieved.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. An auxiliary brushing device is connected between a control device and a device to be brushed, and is characterized by comprising:
the power supply module is used for acquiring a voltage signal of an external power supply and providing a power supply for the auxiliary flashing device;
the enabling module is used for controlling an output enabling signal according to the voltage signal;
the interface module is used for being connected with an M.2 interface of the equipment to be brushed, transmitting the received enabling signal to the equipment to be brushed through the M.2 interface of the equipment to be brushed and enabling the equipment to be brushed to enter a 9008 mode;
and the data transmission module is used for transmitting the data of the control equipment to the equipment to be brushed through the interface module when the enabling signal is received.
2. The auxiliary brushing apparatus according to claim 1, wherein the power supply module comprises:
a first voltage dividing circuit and a voltage converting unit;
a first input end of the voltage conversion unit is connected with the external power supply, a second input end of the voltage conversion unit is connected with an output end of the first voltage division circuit, and an output end of the voltage conversion unit is connected with the enabling module.
3. The auxiliary brushing apparatus according to claim 2, wherein the first voltage dividing circuit comprises: the voltage conversion circuit comprises a power supply and a voltage conversion unit, and is characterized by comprising a first resistor and a second resistor, wherein one end of the first resistor is connected with the power supply and a first input end of the voltage conversion unit, the other end of the first resistor is connected with one end of the second resistor and a second input end of the voltage conversion unit, and the other end of the second resistor is grounded.
4. The auxiliary brushing device according to claim 2, wherein the voltage conversion unit comprises a power chip.
5. The auxiliary brushing apparatus according to claim 1, wherein:
the enabling module comprises a comparing unit, a switching unit, a first enabling circuit, a second voltage division circuit, a third voltage division circuit, a fourth voltage division circuit and a fifth voltage division circuit; the positive electrode of the first input end of the comparison unit is electrically connected with the output end of the second voltage division circuit, the negative electrode of the first input end of the comparison unit and the positive electrode of the second input end of the comparison unit are respectively electrically connected with the output end of the power supply module, and the negative electrode of the second input end of the comparison unit is electrically connected with the output end of the third voltage division circuit;
the first input end of the switch unit is electrically connected with the first output end of the comparison unit, and the second input end of the switch unit is electrically connected with the second output end of the comparison unit;
a first input end of the first enabling circuit is electrically connected with an output end of the switch unit, a second input end of the first enabling circuit is electrically connected with an output end of the fourth voltage-dividing circuit, and an output end of the first enabling circuit is connected with the interface module;
the first input end of the second enabling circuit is electrically connected with the output end of the switch unit, the second input end of the second enabling circuit is electrically connected with the output end of the fifth voltage division circuit, and the output end of the second enabling circuit is connected with the data transmission module.
6. The auxiliary brushing apparatus according to claim 5, wherein:
the first enabling circuit comprises: the interface module is electrically connected with the output end of the fourth voltage dividing circuit, the drain electrode of the first MOS transistor is electrically connected with the drain electrode of the second MOS transistor, the drain electrode of the second MOS transistor is connected with one end of the fourth resistor, the other end of the fourth resistor is connected with the output end of the fourth voltage dividing circuit, the source electrode of the first MOS transistor is grounded, the grid electrode of the first MOS transistor is electrically connected with the drain electrode of the second MOS transistor, the drain electrode of the second MOS transistor is connected with one end of the fourth resistor, the other end of the fourth resistor is connected with the output end of the fourth voltage dividing circuit, the source electrode of the second MOS transistor is grounded, and the grid electrode of the second MOS transistor is electrically connected with the output end of the switch unit;
the second enabling circuit comprising: the third MOS pipe, the fourth MOS pipe, fifth resistance and sixth resistance, the drain electrode of third MOS pipe respectively with the data transmission module with the one end electricity of fifth resistance is connected, the other end of fifth resistance with the output electricity of fifth voltage division circuit is connected, the source electrode ground connection of third MOS pipe, the grid of third MOS pipe with the drain electrode electricity of fourth MOS pipe is connected, the drain electrode of fourth MOS pipe with the one end of sixth resistance is connected, and the other end of sixth resistance is connected to the output of fifth voltage division circuit, the source electrode ground connection of fourth MOS pipe, the grid of fourth MOS pipe with the output electricity of switch element is connected.
7. The auxiliary brushing device according to claim 6, wherein the first MOS transistor, the second MOS transistor, the third MOS transistor and the fourth MOS transistor are all NMOS transistors.
8. The auxiliary brushing apparatus according to claim 5, wherein:
the second voltage dividing circuit includes: one end of the seventh resistor is connected with the external power supply, the other end of the seventh resistor is connected with one end of the eighth resistor and the anode of the first input end of the comparison unit, and the other end of the eighth resistor is grounded;
the third voltage dividing circuit includes: one end of the ninth resistor is connected with the external power supply, the other end of the ninth resistor is connected with one end of the tenth resistor and the negative electrode of the second input end of the comparison unit, and the other end of the tenth resistor is grounded;
the fourth voltage dividing circuit includes: one end of the eleventh resistor is connected with the external power supply, the other end of the eleventh resistor is connected with one end of the twelfth resistor and the second input end of the first enabling circuit, and the other end of the twelfth resistor is grounded;
the fifth voltage division circuit includes: the circuit comprises a thirteenth resistor and a fourteenth resistor, wherein one end of the thirteenth resistor is connected with the external power supply, the other end of the thirteenth resistor is connected with one end of the fourteenth resistor and the second input end of the second enabling circuit, and the other end of the fourteenth resistor is grounded.
9. The auxiliary brushing apparatus according to claim 6, wherein:
the first enabling circuit further comprises a first capacitor and a fifteenth resistor, one end of the first capacitor is connected with the drain electrode of the first MOS transistor, the other end of the first capacitor is grounded, one end of the fifteenth resistor is connected with the gate electrode of the second MOS transistor, and the other end of the fifteenth resistor is grounded;
the second enabling circuit further comprises a second capacitor and a sixteenth resistor, one end of the second capacitor is connected with the drain electrode of the third MOS tube, the other end of the second capacitor is grounded, one end of the sixteenth resistor is connected with the grid electrode of the fourth MOS tube, and the other end of the sixteenth resistor is grounded.
10. The auxiliary flashing device of claim 1, further comprising a USB interface module, configured to connect to the USB interface of the control device to obtain data of the control device and transmit the data to the data transmission module.
CN201911051716.3A 2019-10-31 2019-10-31 Auxiliary brushing equipment Active CN110780611B (en)

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CN107944234A (en) * 2017-11-20 2018-04-20 上海闻泰电子科技有限公司 A kind of brush machine control method of Android device
CN110333878A (en) * 2019-07-25 2019-10-15 上海闻泰信息技术有限公司 A kind of equipment to be brushed, connector and brush machine system

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CN102830999A (en) * 2012-09-05 2012-12-19 深圳市网卓信息科技有限公司 Method and device for updating of Android system
CN106775670A (en) * 2016-11-30 2017-05-31 惠州Tcl移动通信有限公司 The making application method and kit of a kind of kit for being applied to mobile terminal
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