Rapid reaction protection system of movable pluggable MXM structure

Abstract

The utility model provides a quick response protection system of a movable pluggable MXM structure, and belongs to the technical field of protection systems. Comprising a power supply connector used for externally connecting a power supply input line; the voltage dependent resistor is connected in series with the power supply connector, and the voltage dependent resistor is connected with a VIN + pin on the power supply connecting line; and the main grounding end is connected with the piezoresistor. According to the utility model, through cooperation of the power supply connector, the piezoresistor, the main grounding terminal, the thermistor, the control chip, the power supply filter capacitor and other elements, a purpose of rapid response to overvoltage and overcurrent conditions is realized; through cooperation of the control chip, the divider resistor, the power supply monitoring point, the signal monitoring point, the power supply control switch, the signal control switch, the signal connector and other elements, the purpose of intelligent monitoring and control of the power supply and the signal of the electronic system is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of protection systems, in particular to a quick-response protection system with a movably pluggable MXM structure. Background Art

[0002] With the rapid development of electronic technology, the pluggable MXM module structure has been widely used in many electronic devices. This structure has brought great convenience to system upgrades and maintenance, allowing users to flexibly replace modules according to their needs and improve device performance. At the same time, the functions of electronic devices are becoming increasingly powerful, and the requirements for the stability of power supply and signal transmission are also becoming higher and higher. To ensure the normal operation of electronic devices, various protection components and control technologies are constantly emerging.

[0003] However, in the existing technology, the response speed to abnormal conditions such as overvoltage, overcurrent and static electricity is slow, and effective protection measures cannot be taken in the first time, which makes the system hardware equipment vulnerable to damage and affects the stability and reliability of the system. For example, in the traditional protection system, the overvoltage protection element may take a long time to turn on, the response speed of the overcurrent protection element is not fast enough, and the static protection effect is poor. Utility Model Content

[0004] The technical problem to be solved by the present invention is to provide a fast-response protection system with a pluggable MXM structure, so as to solve the technical problems in the prior art of slow response to abnormal situations, easy damage to hardware, and lack of intelligent monitoring and control functions for the power supply and signals of the electronic system.

[0005] Technical solution: To achieve the above purpose, the present invention is implemented through the following technical solution: a fast response protection system with a removable MXM structure, comprising: a power connector for an external power input line; a varistor connected in series with the power connector, and the varistor is connected to the VIN+ pin on the power connection line; a main ground terminal connected to the varistor, the main ground terminal is used to lead the overvoltage current to the ground when the varistor is turned on; a thermistor connected in series with the varistor, the thermistor is used for overcurrent protection; a control chip, the internal V pin of which is connected in series with the thermistor, the control chip is used for intelligent monitoring and control to monitor Measure the voltage and current of the power supply input; the power supply filter capacitor is connected in parallel to the connection line between the thermistor and the control chip. The source filter capacitor is used for power supply filtering to reduce ripple and noise in the power supply. The power connector should have good contact performance and stability and be able to withstand a certain current and voltage; the response time of the varistor should be as short as possible to ensure that it can be quickly turned on when overvoltage occurs; the accuracy and response speed of the thermistor should meet the requirements of overcurrent protection; the control chip should have high-precision voltage and current monitoring functions, as well as fast processing capabilities; the capacity and withstand voltage value of the power supply filter capacitor should be reasonably selected according to the needs of the system.

[0006] In a further embodiment, a voltage stabilizer is connected in series between the thermistor and the control chip. The voltage stabilizer is used to stabilize the output voltage of the power supply to ensure the voltage provided to the control chip and subsequent circuits. The output voltage accuracy of the voltage stabilizer should be within a certain range to meet the requirements of the control chip and subsequent circuits; the voltage stabilizer should have good load adjustment capability and temperature stability.

[0007] In a further embodiment, a mainboard is connected to the thermistor, and the mainboard is used to carry out the coordination of component operations, provide an operating platform, and process signals; an MXM module, whose internal PDN pin is connected to the thermistor, wherein the mainboard should have sufficient wiring space and good electrical performance to meet the connection and signal transmission requirements of each component; the MXM module should be compatible with the mainboard and be able to correctly respond to the protection signal of the thermistor.

[0008] In a further embodiment, two voltage-dividing resistors are provided, and the two voltage-dividing resistors are connected in parallel to the AI ​​pin of the control chip; a power monitoring point is connected in series with one of the voltage-dividing resistors, and the power monitoring point is used to monitor the power status and feed back to the control chip; a signal monitoring point is connected in series with the other voltage-dividing resistor, and the signal monitoring point is used to monitor the signal status and transmit information to the control chip, wherein the resistance value of the voltage-dividing resistor should be reasonably selected according to the input requirements of the control chip; the power monitoring point and the signal monitoring point should have accurate monitoring capabilities and be able to feed back the monitoring results to the control chip in a timely manner.

[0009] In a further embodiment, a power control switch is connected to the DO pin on the mainboard, and the power control switch is used to control the power on and off; a signal control switch is connected to the DO pin on the mainboard, and the signal control switch is used to control signal transmission, wherein the power control switch and the signal control switch should have good switching performance and reliability, and be able to withstand certain current and voltage; their control logic should be clear and unambiguous so that the power and signal can be accurately controlled when needed.

[0010] In a further embodiment, a signal connector is connected in series between the motherboard and the MXM module. The signal connector is used to establish a stable and reliable signal transmission channel between the motherboard and the MXM module to ensure that the signal can be transmitted between the two accurately and quickly. The signal connector should have good contact performance and signal transmission performance, and be able to withstand a certain number of plug-in and pull-out times and vibration; its pin layout and signal definition should be compatible with the motherboard and the MXM module.

[0011] In a further embodiment, a plurality of diodes are provided on the signal connector, and the positive poles of the diodes are connected to the DATA, CLK and CTL pins on the signal connector, and the negative poles of the diodes are grounded. The diodes are used to prevent reverse transmission of the signal, wherein the parameters of the diodes should be reasonably selected according to the characteristics of the signal to ensure that reverse signal transmission can be effectively prevented; the installation position and connection method of the diodes should be correct to ensure their normal operation.

[0012] In a further embodiment, the mainboard is connected to the main grounding terminal to ensure that the circuit on the mainboard has a stable reference potential and achieves safe grounding. The connection between the mainboard and the main grounding terminal should be firm and reliable, and the grounding resistance should be within a certain range to ensure a good grounding effect. At the same time, appropriate grounding measures should be taken to avoid interference in the grounding loop.

[0013] Beneficial effects: 1. Through the cooperation of components such as power connector, varistor, main ground terminal, thermistor, control chip and power filter capacitor, a rapid response to overvoltage and overcurrent conditions is achieved, thereby protecting hardware equipment and extending equipment life; specifically, when an overvoltage occurs, the varistor quickly turns on and leads the overvoltage current to the ground through the main ground terminal; when an overcurrent occurs, the thermistor quickly increases its resistance to limit the current; at the same time, the control chip intelligently monitors the voltage and current of the power input, and the power filter capacitor reduces ripple and noise in the power supply, providing a stable power environment for the hardware equipment.

[0014] 2. By cooperating of the control chip, the voltage dividing resistor, the power monitoring point, the signal monitoring point, the power control switch, the signal control switch and the signal connector, the intelligent monitoring and control of the power and signal of the electronic system are realized; specifically, the control chip connects the power monitoring point and the signal monitoring point through the voltage dividing resistor, monitors the power state and the signal state in real time, and controls the power and the signal through the power control switch and the signal control switch; the signal connector establishes a stable and reliable signal transmission channel between the mainboard and the MXM module, and the diode on the signal connector prevents reverse transmission of the signal, further ensuring stable transmission of the signal. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings described below are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0016] Figure 1 The circuit schematic diagram of the present application.

[0017] The reference signs in the drawing are: 1, power connector; 2, pressure sensitive resistor; 3, thermistor; 4, power filter capacitor; 5, voltage stabilizer; 6, control chip; 7, voltage dividing resistor; 8, power monitoring point; 9, signal monitoring point; 10, power control switch; 11, signal control switch; 12, main ground terminal; 13, mainboard; 14, signal connector; 15, MXM module; 16, diode. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of the present application more clear, the technical solutions in the present application are described clearly and completely. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0019] The present application provides a quick response protection system with movable plug-in MXM structure, which solves the technical problems of slow response to abnormal conditions, easy damage to hardware, and lack of intelligent monitoring and control of the power and signal of the electronic system in the prior art. In actual use, the quick response to abnormal conditions is realized, the hardware devices are protected, and the service life of the devices is prolonged; at the same time, the intelligent monitoring and control of the power and signal of the electronic system are also realized.

[0020] In order to better understand the above technical solution, the above technical solution will be described in detail below with reference to the accompanying drawings and specific implementation methods.

[0021] Reference Figure 1 A fast-response protection system with a removable pluggable MXM structure includes: a power connector 1 for an external power input line; a varistor 2 connected in series with the power connector 1, and the varistor 2 is connected to the VIN+ pin on the power connection line; a main grounding terminal 12 connected to the varistor 2, and the main grounding terminal 12 is used to divert overvoltage current to the ground when the varistor 2 is turned on; a thermistor 3 connected in series with the varistor 2, and the thermistor 3 is used for overcurrent protection; a control chip 6, whose internal V pin is connected in series with the thermistor 3, and the control chip 6 is used for intelligent monitoring and control to monitor the voltage and current of the power input; a power filter capacitor 4 connected in parallel to the connection line between the thermistor 3 and the control chip 6, and the power filter capacitor 4 is used for power filtering to reduce ripple and noise in the power supply.

[0022] The power connector 1 is responsible for connecting the external power input line and providing a power source for the entire system; the varistor 2 is connected in series with the power connector 1. When an overvoltage occurs on the power connection line, the varistor 2 is turned on and diverts the overvoltage current to the ground through the main ground terminal 12 connected to it, thereby protecting the subsequent circuits; the thermistor 3 is connected in series with the varistor 2 to provide overcurrent protection, limiting the current when the current is too large; the control chip 6 is connected in series with the thermistor 3 through its internal V pin, intelligently monitoring the voltage and current of the power input, so as to promptly detect abnormal conditions and take corresponding measures; the power filter capacitor 4 is connected in parallel to the connection line between the thermistor 3 and the control chip 6 to reduce ripple and noise in the power supply and provide a stable power supply.

[0023] The voltage stabilizer 5 is connected in series between the thermistor 3 and the control chip 6. The voltage stabilizer 5 is used to stabilize the output voltage of the power supply to ensure the voltage provided to the control chip 6 and subsequent circuits.

[0024] The voltage stabilizer 5 is connected in series between the thermistor 3 and the control chip 6. Its function is to stabilize the power supply output voltage, ensure that the voltage provided to the control chip 6 and subsequent circuits is within an appropriate range, and avoid damage to the circuit due to voltage fluctuations.

[0025] The mainboard 13 is connected to the thermistor 3 . The mainboard 13 is used to carry and coordinate the work of the components, provide an operating platform, and process signals. The PDN pin inside the MXM module 15 is connected to the thermistor 3 .

[0026] The mainboard 13 is connected to the thermistor 3. Its main function is to carry and coordinate the work of various electronic components and provide an operating platform for the system. At the same time, the mainboard 13 is responsible for processing signals from various components to achieve overall functional control of the system. The PDN pin inside the MXM module 15 is connected to the thermistor 3, which can be protected in abnormal situations, ensuring that the MXM module 15 operates normally and performs its specific functions.

[0027] There are two voltage-dividing resistors 7, and the two voltage-dividing resistors 7 are connected in parallel to the AI ​​pin of the control chip 6; a power monitoring point 8 is connected in series with one of the voltage-dividing resistors 7, and the power monitoring point 8 is used to monitor the power status and feed back to the control chip 6; a signal monitoring point 9 is connected in series with the other voltage-dividing resistor 7, and the signal monitoring point 9 is used to monitor the signal status and transmit information to the control chip 6.

[0028] Two voltage-dividing resistors 7 are connected in parallel to the AI ​​pin of the control chip 6. A power monitoring point 8 is connected in series with one of the voltage-dividing resistors 7 to monitor the power status and feed this information back to the control chip 6, allowing it to manage and control the power supply. A signal monitoring point 9 is connected in series with the other voltage-dividing resistor 7 to monitor the signal status and transmit this information to the control chip 6, allowing it to monitor and process the signal.

[0029] The power control switch 10 is connected to the DO pin on the mainboard 13 and is used to control the power on and off. The signal control switch 11 is connected to the DO pin on the mainboard 13 and is used to control signal transmission.

[0030] The power control switch 10 is connected to the DO pin on the mainboard 13 and is used to control the on and off of the power supply, thereby realizing the on and off control of the power supply of the entire system; the signal control switch 11 is also connected to the DO pin on the mainboard 13 and its function is to control the transmission of the signal so as to manage and control the signal when needed.

[0031] The signal connector 14 is connected in series between the mainboard 13 and the MXM module 15. The signal connector 14 is used to establish a stable and reliable signal transmission channel between the mainboard 13 and the MXM module 15, ensuring that the signal can be transmitted between the two accurately and quickly.

[0032] The signal connector 14 is connected in series between the mainboard 13 and the MXM module 15 to establish a stable and reliable signal transmission channel, ensuring that the signal can be accurately and quickly transmitted between the mainboard 13 and the MXM module 15, thereby realizing data exchange and functional collaboration between the two.

[0033] The signal connector 14 is provided with a plurality of diodes 16 , and the anodes of the diodes 16 are connected to the DATA, CLK and CTL pins on the signal connector 14 , and the cathodes of the diodes 16 are grounded. The diodes 16 are used to prevent reverse transmission of signals.

[0034] The multiple diodes 16 on the signal connector 14 have their anodes connected to the DATA, CLK, and CTL pins on the signal connector 14 and their cathodes grounded. Their function is to prevent reverse signal transmission, protecting the motherboard 13 and MXM module 15 from damage caused by reverse signals and ensuring stable and reliable signal transmission.

[0035] The main board 13 is connected to the main ground terminal 12 to ensure that the circuits on the main board 13 have a stable reference potential and achieve safe grounding.

[0036] Mainboard 13 is connected to main ground 12, providing a stable reference potential for the circuits on mainboard 13 and achieving safe grounding. This prevents static electricity accumulation and electromagnetic interference from damaging the circuits. It also directs abnormal current to the ground, ensuring safe operation of the system.

[0037] During use, when using the quick-response protection system with a removable pluggable MXM structure, first connect the power input line externally through the power connector 1; when the power is input, if an overvoltage occurs, the varistor 2 connected in series with the power connector 1 will quickly turn on and lead the overvoltage current to the ground through the main grounding terminal 12 connected thereto; at the same time, the thermistor 3 connected in series with the varistor 2 plays a role in overcurrent and performs overcurrent protection when an overcurrent occurs; the control chip 6 is connected in series with the thermistor 3 through the internal V pin to intelligently monitor the voltage and current of the power input; the power filter capacitor 4 connected in parallel to the connection line between the thermistor 3 and the control chip 6 reduces the ripple and noise in the power supply; and the voltage regulator 5 is connected in series between the thermistor 3 and the control chip 6 to stabilize the power output voltage and ensure the stability of the voltage provided to the control chip 6 and subsequent circuits; the mainboard 13 is connected to the thermistor 3 to carry and coordinate the work of various electronic components, provide an operating platform and process signals; the PDN pin inside the MXM module 15 It is connected to the thermistor 3 to be protected in abnormal situations; two voltage-dividing resistors 7 are connected in parallel to the AI ​​pin of the control chip 6, and the power monitoring point 8 is connected in series with one of the voltage-dividing resistors 7 to monitor the power status and feed back to the control chip 6; the signal monitoring point 9 is connected in series with the other voltage-dividing resistor 7 to monitor the signal status and transmit information to the control chip 6; the power control switch 10 is connected to the DO pin on the mainboard 13 to control the power on and off; the signal control switch 11 is also connected to the DO pin on the mainboard 13 to control signal transmission; the signal connector 14 is connected in series between the mainboard 13 and the MXM module 15 to establish a stable and reliable signal transmission channel to ensure that the signal is transmitted between the two accurately and quickly; the multiple diodes 16 on the signal connector 14 have the positive pole connected to the DATA, CLK and CTL pins on the signal connector 14, and the negative pole is grounded to prevent reverse transmission of the signal; finally, the mainboard 13 is connected to the main ground terminal 12 to ensure that the circuit on the mainboard 13 has a stable reference potential and achieves safe grounding.

[0038] The circuits depicted in the accompanying drawings are example circuits, and their purpose is only to more intuitively demonstrate the key structures and connection relationships of a quick-response protection system with a removable MXM structure of the present invention; in actual applications, the appearance and size of the device can be adjusted and optimized according to specific needs.

[0039] This invention encompasses any alternatives, modifications, equivalents, and solutions that do not depart from the spirit and scope of this invention. While specific details are described in detail in the preferred embodiments of this invention to provide a thorough understanding, those skilled in the art will be able to fully understand this invention without these details. Furthermore, to avoid unnecessary confusion regarding the essence of this invention, well-known methods, processes, procedures, components, and circuits have not been described in detail.

[0040] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A quick-response protection system with a removable MXM structure, characterized in that: include: A power connector (1), used for connecting an external power input circuit; A varistor (2) is connected in series with the power connector (1), and the varistor (2) is connected to a VIN+ pin on the power connection line; A main grounding terminal (12) is connected to the varistor (2), and the main grounding terminal (12) is used to lead the overvoltage current to the ground when the varistor (2) is turned on; a thermistor (3) connected in series with the varistor (2), wherein the thermistor (3) is used for overcurrent protection; A control chip (6) having an internal V pin connected in series with the thermistor (3), wherein the control chip (6) is used for intelligent monitoring and control to monitor the voltage and current of the power input; A power filter capacitor (4) is connected in parallel to a connection line between the thermistor (3) and the control chip (6). The power filter capacitor is used for power filtering to reduce ripple and noise in the power supply.

2. A quick-response protection system with a removable MXM structure according to claim 1, characterized in that: Also includes: A voltage stabilizer (5) is connected in series between the thermistor (3) and the control chip (6). The voltage stabilizer (5) is used to stabilize the output voltage of the power supply to ensure the voltage provided to the control chip (6) and subsequent circuits.

3. The quick-response protection system of a movably pluggable MXM structure according to claim 1, characterized in that: Also includes: A main board (13) is connected to the thermistor (3), and the main board (13) is used to carry and coordinate the work of the components, provide an operating platform, and process signals; The PDN pin inside the MXM module (15) is connected to the thermistor (3).

4. The quick-response protection system of a movably pluggable MXM structure according to claim 1, characterized in that: Also includes: Two voltage-dividing resistors (7) are provided, and the two voltage-dividing resistors (7) are connected in parallel to the AI ​​pin of the control chip (6); A power monitoring point (8) is connected in series with one of the voltage divider resistors (7), and the power monitoring point (8) is used to monitor the power status and feed back to the control chip (6); A signal monitoring point (9) is connected in series with another voltage-dividing resistor (7), and the signal monitoring point (9) is used to monitor the signal state and transmit information to the control chip (6).

5. The quick-response protection system of a movably pluggable MXM structure according to claim 3, characterized in that: Also includes: A power control switch (10) is connected to the DO pin on the mainboard (13), and the power control switch (10) is used to control the power on and off; The signal control switch (11) is connected to the DO pin on the main board (13), and the signal control switch (11) is used to control signal transmission.

6. The quick-response protection system of a movably pluggable MXM structure according to claim 3, characterized in that: Also includes: A signal connector (14) is connected in series between the mainboard (13) and the MXM module (15). The signal connector (14) is used to establish a stable and reliable signal transmission channel between the mainboard (13) and the MXM module (15), ensuring that signals can be accurately and quickly transmitted between the two.

7. The quick-response protection system of a removable MXM structure according to claim 6, characterized in that: The signal connector (14) is provided with a plurality of diodes (16), and the anodes of the diodes (16) are connected to the DATA, CLK and CTL pins on the signal connector (14), and the cathodes of the diodes (16) are grounded. The diodes (16) are used to prevent reverse transmission of signals.

8. The quick-response protection system with a removable MXM structure according to claim 3, characterized in that: The main board (13) is connected to the main ground terminal (12) to ensure that the circuit on the main board (13) has a stable reference potential and achieves safe grounding.

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