Power supply monitoring equipment and method for solid state disk

Abstract

The embodiment of the invention provides a power supply monitoring device and method for a solid state disk, and the device comprises a sampling chip, a control chip, a battery, a power supply chip, a storage chip, a solid state disk interface male head, a USB expander and a USB interface which are assembled according to a structure consistent with that of the solid state disk, the monitoring module is used for monitoring multi-path solid state disk power supply conditions; the control chip is used for receiving and determining whether the multi-path solid state disk power supply is abnormal or not according to the condition of the multi-path solid state disk power supply, and determining a power supply abnormal result; the storage chip is used for receiving and storing the power supply condition of the multi-path solid state disk board and the power supply abnormity result, and the portable low-cost power supply monitoring equipment of the solid state disk is consistent with the solid state disk in structure and is used for monitoring the power supply of the solid state disk. Therefore, the power supply monitoring equipment of the solid state disk can monitor the power supplies of a plurality of solid state disks in an insertion mode, and convenience is provided for single-board debugging and fault analysis of the solid state disks.

Description

Technical Field

[0001] The present invention relates to the technical field of solid state hard disks, and in particular discloses a power supply monitoring device and method for a solid state hard disk. Background Art

[0002] When enterprise-level SSDs are used in servers, they focus on data integrity, which means that they have strict requirements on data security. In actual R&D and testing, large quantities of SSDs need to be tested for stability. Some SSDs are tested by engineers, and some SSDs need to be automatically entered into servers, and tested for reliability and durability, high and low temperature test chambers, and other equipment for batch testing. The existing SSD voltage monitoring method usually uses an oscilloscope for testing, but there are the following problems with using an oscilloscope for testing:

[0003] The power anomaly of the solid-state drive usually occurs instantaneously and recovers immediately. The oscilloscope needs to be powered off and then restarted to build the environment before obtaining the anomaly. Therefore, the power anomaly of the solid-state drive cannot be obtained immediately. As a large electronic device, the oscilloscope has a high unit price and cannot build an environment for a large number of solid-state drive boards at the same time, so the efficiency is low. The oscilloscope is large in size and not easy to move, and cannot meet customers' requirements for abnormal board analysis and recording.

[0004] Therefore, there is an urgent need for a portable, low-cost power monitoring device for a solid-state hard disk. Summary of the invention

[0005] In view of the above problems, a power monitoring device and method for a solid state drive is proposed to overcome the above problems or at least partially solve the above problems, including:

[0006] A power monitoring device for a solid state drive, comprising a sampling chip, a control chip, a battery, a power chip, a storage chip, a solid state drive interface male head, a USB extender and a USB interface assembled in a structure consistent with the solid state drive, wherein:

[0007] The sampling chip is connected to the multi-channel solid-state hard disk board power supply through a flying wire method, and is used to monitor the power supply conditions of the multi-channel solid-state hard disk boards, and send the monitored power supply conditions of the multi-channel solid-state hard disk boards to the control chip;

[0008] The control chip is connected to the sampling chip, and is used to receive and determine whether the power supplies of the multiple solid-state hard disk boards are abnormal according to the power supply conditions of the multiple solid-state hard disk boards, and send the determined power supply abnormality result and the power supply conditions of the multiple solid-state hard disk boards to the storage chip;

[0009] The storage chip is connected to the control chip and is used to receive and store the power supply conditions of the multi-channel solid-state hard disk boards and the power supply abnormality results.

[0010] Optionally, the SSD interface male head is connected to the SSD interface female head on the control chip and the SSD backplane, and inserted into the SSD backplane;

[0011] The control chip is also used to, upon receiving a read request for the power supply status and the power supply abnormality result, determine, according to the read request, a target solid-state hard disk interface male head and a target USB interface connected to the reading end and a target USB extender connected to the target USB interface, and send the power supply status and the power supply abnormality result to the reading end via the target solid-state hard disk interface male head or the target USB extender and the target USB interface.

[0012] Optionally, the control chip is also used to determine the maximum voltage, minimum voltage, average voltage and voltage signal graph of the power supply conditions of each solid-state hard disk board at different time intervals, and when a read request for the power supply conditions of each solid-state hard disk board is received, the power supply conditions of each solid-state hard disk board, the maximum voltage, minimum voltage, average voltage and voltage signal graph at different time intervals are sent to the reading end via the target solid-state hard disk interface male connector corresponding to the reading end or the target USB extender and the target USB interface.

[0013] Optionally, the power monitoring device further comprises a power interface connector connected to the power chip and configured to supply power to the power monitoring device by connecting to a power supply.

[0014] The power chip is also used to supply power to the power monitoring device through the power interface connector or the battery.

[0015] Optionally, the control chip is also used to control the power module to supply power to the power monitoring device through the battery when the power supply is cut off while the power chip is supplying power to the power monitoring device through the power interface connector.

[0016] Optionally, the solid-state hard disk interface male head and the USB interface are both used to receive the written abnormal judgment values ​​of the power supply conditions of each solid-state hard disk board, and send the abnormal judgment values ​​to the control chip, wherein the control chip is also used to monitor whether the power supply conditions of each solid-state hard disk board are abnormal by comparing the power supply conditions of each solid-state hard disk board with the corresponding abnormal judgment values.

[0017] Optionally, the power supply conditions of each solid-state hard disk board are voltage analog signals, wherein:

[0018] The sampling chip is further used to collect the voltage analog signal according to a preset first sampling frequency, and convert the voltage analog signal into a voltage digital signal;

[0019] The control chip is used to control the sampling chip to collect the voltage analog signal according to a preset second sampling frequency when the voltage digital signal is detected to be abnormal.

[0020] Optionally, in the sampling chip, the first sampling frequency is less than the second sampling frequency.

[0021] Optionally, the power supply monitoring device further includes a fault light connected to the control chip, wherein:

[0022] The control chip is also used to control the fault light to turn on when the voltage digital signal is abnormal.

[0023] A power monitoring method for a solid state drive, the power monitoring method being applied to a power monitoring device for the solid state drive, the power monitoring method comprising:

[0024] The sampling chip is used to monitor the power supply conditions of multiple solid-state hard disk boards, and the monitored power supply conditions of the multiple solid-state hard disk boards are sent to the control chip, wherein the sampling chip is connected to the power supply of the multiple solid-state hard disk boards by flying wires;

[0025] Utilizing the control chip to receive and determine whether the power supplies of the multiple solid-state hard disk boards are abnormal according to the power supply conditions of the multiple solid-state hard disk boards, and sending the determined power supply abnormality result and the power supply conditions of the multiple solid-state hard disk boards to the storage chip;

[0026] The storage chip is used to receive and store the power supply status of the multi-channel solid-state hard disk board and the power supply abnormality result.

[0027] The embodiments of the present invention have the following advantages:

[0028] In an embodiment of the present invention, the power supply monitoring device of the solid-state hard disk comprises a sampling chip, a control chip, a battery, a power supply chip, a storage chip, a solid-state hard disk interface male head, a USB extender and a USB interface assembled according to a structure consistent with the solid-state hard disk, wherein the sampling chip is connected to the power supply of the multi-channel solid-state hard disk board by a flying line method, and is used to monitor the power supply conditions of the multi-channel solid-state hard disk board, and send the monitored power supply conditions of the multi-channel solid-state hard disk board to the control chip; the control chip is connected to the sampling chip, and is used to receive and determine whether the power supply of the multi-channel solid-state hard disk board is abnormal according to the power supply conditions of the multi-channel solid-state hard disk board, and send the determined power supply abnormality result and the power supply conditions of the multi-channel solid-state hard disk board to the storage chip; the storage chip is connected to the control chip, and is used to receive and store the power supply conditions of the multi-channel solid-state hard disk board and the power supply abnormality result. The portable and low-cost power supply monitoring device of the solid-state hard disk is consistent with the structure of the solid-state hard disk, so that the power supply monitoring device of the solid-state hard disk can monitor the power supplies of multiple solid-state hard disks by insertion, which provides great convenience for single-board commissioning and fault analysis of the solid-state hard disk. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solution of the present invention, the accompanying drawings required for use in the description of the present invention will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative labor.

[0030] Figure 1 is a schematic diagram of a power monitoring device for a solid state drive provided by some embodiments of the present invention;

[0031] Figure 2 is a schematic diagram of another power monitoring device for a solid state drive provided by some embodiments of the present invention;

[0032] Figure 3 is a working principle diagram of a power monitoring device for a solid state hard disk provided by some embodiments of the present invention;

[0033] Figure 4 It is a flowchart of the steps of a power supply monitoring method for a solid state drive provided in some embodiments of the present invention. DETAILED DESCRIPTION

[0034] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Reference Figure 1 and Figure 2 , shows a power monitoring device for a solid state drive provided by some embodiments of the present invention, the power monitoring device for the solid state drive comprises a sampling chip, a control chip, a battery, a power chip, a storage chip, a solid state drive interface male head, a USB extender and a USB interface assembled in a structure consistent with the solid state drive, wherein,

[0036] The sampling chip is connected to the multi-channel solid-state hard disk board power supply through a flying wire method, and is used to monitor the power supply conditions of the multi-channel solid-state hard disk boards, and send the monitored power supply conditions of the multi-channel solid-state hard disk boards to the control chip;

[0037] The control chip is connected to the sampling chip, and is used to receive and determine whether the power supplies of the multiple solid-state hard disk boards are abnormal according to the power supply conditions of the multiple solid-state hard disk boards, and send the determined power supply abnormality result and the power supply conditions of the multiple solid-state hard disk boards to the storage chip;

[0038] The storage chip is connected to the control chip and is used to receive and store the power supply conditions of the multi-channel solid-state hard disk boards and the power supply abnormality results.

[0039] The power supply monitoring device of the solid-state hard disk proposed in the present invention is assembled according to the sampling chip, control chip, battery, power supply chip, storage chip, solid-state hard disk interface male head, USB extender and USB interface. It has a similar structure, interface, partial power supply and signal distribution as the solid-state hard disk, and can be inserted into solid-state hard disk backplane, reliability and durability testing equipment and high and low temperature boxes and other equipment at the same time as the solid-state hard disk. The power supply of the solid-state hard disk is monitored in real time by inserting into the server and other equipment, so that the power supply monitoring device can be used as a small voltage monitoring device with low cost, convenient to carry and high use value. In addition, the sampling chip is connected to the multi-channel solid-state hard disk board power supply, so that the power supply monitoring device can monitor the power supply of multiple solid-state hard disks at the same time, solving the problem in the related art that it is difficult to efficiently monitor the voltage of enterprise-level solid-state hard disks during batch testing.

[0040] In some embodiments of the present invention, the control chip may be any one of an 8-bit microcontroller, a 16-bit microcontroller, a 32-bit microcontroller and a 64-bit microcontroller.

[0041] In some embodiments of the present invention, the 32-bit microcontroller can be a microcontroller with a main frequency of up to 120MHz, equipped with up to 3072KB of Flash memory and 96KB of SRAM, wherein the Flash memory is a non-volatile storage technology that can save data without power supply, and SRAM (Static Random Access Memory) is a cache memory that uses a trigger circuit to store data and does not require periodic refresh, so the access speed is very fast. SRAM is non-volatile, but it will lose data when power is off. The 32-bit microcontroller can be GD32F350G8U6TR, wherein GD32F350G8U6TR is based on -32-bit microcontroller based on M4 core. The -M4 core is a 32-bit RISC (Reduced Instruction Set Computing) architecture microcontroller core.

[0042] In some embodiments of the present invention, the USB extender may be a CP2102-GMR chip, wherein the CP2102-GMR chip is a USB to UART (Universal Asynchronous Receiver / Transmitter) bridge chip. The CP2102-GMR chip also includes up to 1024 bytes of EEPROM, 640B of TX buffer and 576B of RX buffer, and is suitable for an environment with an operating temperature range of -40°C to +85°C.

[0043] In some embodiments of the present invention, the storage chip may be a MX25U51245G chip, wherein the MX25U51245G chip is a 512Mbit serial non-volatile storage flash memory chip.

[0044] In some embodiments of the present invention, the power chip may be an IS6605A chip, wherein the IS6605A chip is a DC-to-DC power chip with a step-down function, an adjustable output voltage, an input voltage range of 4V to 16V, and a maximum output current of 6A.

[0045] In some embodiments of the present invention, the sampling chip has multiple channels, and one channel of the sampling chip is used to monitor the power supply of one solid-state hard disk. For example, the sampling chip can be an ADC120IPT chip, wherein the ADC120IPT chip is an 8-channel, 12-bit resolution analog-to-digital converter that supports a conversion rate of 50ksps to 1Msps. The ADC120IPT chip is an 8-channel, 12-bit resolution monitoring chip that can support simultaneous monitoring of the power supplies of 8 solid-state hard disks, meeting the needs of solid-state hard disks and most small electronic devices.

[0046] The power supply monitoring device of the present invention supports independent voltage comparison for each channel and independent channel reference voltage setting, and can monitor the power supplies of multiple solid-state hard disks at the same time.

[0047] The power monitoring device of the present invention adopts an external board sampling method to detect and store the power supply status of the solid state hard disk, which not only makes the monitoring process convenient and fast, but also reduces the monitoring cost.

[0048] In some embodiments of the present invention, the connection method between the control chip and the sampling chip includes but is not limited to Spi (Serial Peripheral Interface).

[0049] In some embodiments of the present invention, the connection method between the control chip and the storage chip includes but is not limited to QSPI (Quad SPI, six-wire SPI).

[0050] In some embodiments of the present invention, the connection method between the control chip and the USB extender includes but is not limited to UART (Universal Asynchronous Receiver / Transmitter).

[0051] In some embodiments of the present invention, the connection method between the control chip and the solid state drive interface male connector includes but is not limited to SMBus (System Management Bus).

[0052] In some embodiments of the present invention, a sampling signal external soldering point is provided on the sampling chip, one channel of the sampling chip corresponds to one sampling signal external soldering point, and each sampling signal external soldering point is used to provide an additional signal input interface or output interface to connect the sampling chip to an external circuit. Each sampling signal external soldering point can be used to receive an analog signal or a digital signal.

[0053] In some embodiments of the present invention, the male head of the solid-state hard disk interface is connected to the control chip and the female head of the solid-state hard disk interface on the solid-state hard disk backplane, and is inserted into the solid-state hard disk backplane; the control chip is also used to, upon receiving a read request for the power status and the power abnormality result, determine the target solid-state hard disk interface male head and the target USB interface connected to the reading end and the target USB expander connected to the target USB interface according to the read request, and send the power status and the power abnormality result to the reading end via the target solid-state hard disk interface male head or the target USB expander and the target USB interface.

[0054] The voltage monitoring device of the present invention selects a target solid-state hard disk interface male head or a target USB interface and a target USB extender connected to the target USB interface, and through a data reading method of selecting one of the two, the voltage monitoring device has a real-time reporting function when used in conjunction with a server through the target solid-state hard disk interface male head; the target USB interface and the target USB extender connected to the target USB interface have a more universal interface reading method, which increases the versatility and portability of reading, so that the voltage monitoring device of the present invention supports both real-time fault reporting and independent portable use of the voltage monitoring device.

[0055] In some embodiments of the present invention, the control chip is also used to determine the maximum voltage, minimum voltage, average voltage and voltage signal graph of the power supply conditions of each solid-state hard disk board at different time intervals. Upon receiving a read request for the power supply conditions of each solid-state hard disk board, the power supply conditions of each solid-state hard disk board, the maximum voltage, minimum voltage, average voltage and voltage signal graph at different time intervals are sent to the reading end via the target solid-state hard disk interface male head corresponding to the reading end or the target USB extender and the target USB interface.

[0056] The power supply monitoring device of the present invention can perform simple data processing, can collect the power supply conditions of each solid-state hard disk board through a USB interface, can also support simple data sorting of the power supply conditions of each solid-state hard disk board, and output maximum, minimum, average and other data under different time spans, and can plot the data to form a picture-like data display.

[0057] In some embodiments of the present invention, the power monitoring device further includes a power interface connector connected to the power chip and configured to supply power to the power monitoring device by connecting to a power supply.

[0058] The power chip is also used to supply power to the power monitoring device through the power interface connector or the battery.

[0059] In some embodiments of the present invention, the power monitoring device is powered by the power interface connector, which is suitable for a semi-automated testing scenario in which the power monitoring device is applied to a solid-state hard drive power supply. The power monitoring device is powered by the battery, which is suitable for a portable use scenario.

[0060] The voltage monitoring device of the present invention selects a two-choice power supply mode, so that the voltage monitoring device has compatibility with the testing and operation of the solid-state hard disk when the power interface connector is powered, which is convenient for long-term monitoring; it also supports battery power supply, increasing its portability and debugging practicality; and it ensures the monitoring function when the server backplane is powered off.

[0061] In some embodiments of the present invention, the control chip is also used to control the power module to power the power monitoring device through the battery when the power supply is cut off while the power chip is powering the power monitoring device through the power interface connector.

[0062] In some embodiments of the present invention, the male head of the solid-state hard disk interface and the USB interface are both used to receive the written abnormal judgment values ​​of the power supply conditions of each solid-state hard disk board, and send the abnormal judgment values ​​to the control chip, wherein the control chip is also used to monitor whether the power supply conditions of each solid-state hard disk board are abnormal by comparing the power supply conditions of each solid-state hard disk board with the corresponding abnormal judgment values.

[0063] The power supply monitoring device of the present invention monitors the power supply of the solid-state hard disk in real time when the solid-state hard disk is running, and actively stores fault records and actively reports faults after a fault is found, thereby providing low-cost voltage monitoring for stability testing, high and low temperature testing, reliability and durability testing of enterprise-level solid-state hard disks with high stability requirements.

[0064] In some embodiments of the present invention, see Figure 3 , the power supply conditions of each solid-state hard disk board are voltage analog signals, wherein,

[0065] The sampling chip is further used to collect the voltage analog signal according to a preset first sampling frequency, and convert the voltage analog signal into a voltage digital signal;

[0066] The control chip is used to control the sampling chip to collect the voltage analog signal according to a preset second sampling frequency when the voltage digital signal is detected to be abnormal.

[0067] In some embodiments of the present invention, in the sampling chip, the first sampling frequency is less than the second sampling frequency.

[0068] In some embodiments of the present invention, the sampling chip supports low-resolution fault monitoring, such as 100 times / second, to ensure the amount of data that can be stored, facilitate long-term monitoring, and automatically adjust the monitoring accuracy after detecting abnormal voltage, such as 1000 times / second, to facilitate obtaining the accurate waveform at the next abnormality.

[0069] The power supply monitoring device of the present invention can flexibly adjust the automatic determination standard, and adjust the sampling accuracy after the abnormal voltage is monitored, so as to obtain accurate data of the abnormal voltage and facilitate the subsequent analysis of the abnormal voltage.

[0070] In some embodiments of the present invention, the power supply monitoring device further includes a fault light connected to the control chip, wherein:

[0071] The control chip is also used to control the fault light to turn on when the voltage digital signal is abnormal.

[0072] The power supply monitoring device of the present invention facilitates observation of voltage abnormality through a fault light.

[0073] See also Figure 4 , a power monitoring method for a solid state drive of the present invention, the power monitoring method is applied to the power monitoring device of the solid state drive, the power monitoring method comprises:

[0074] S1, using the sampling chip to monitor the power supply conditions of multiple solid-state hard disk boards, and sending the monitored power supply conditions of the multiple solid-state hard disk boards to the control chip, wherein the sampling chip is connected to the power supply of the multiple solid-state hard disk boards by flying wires;

[0075] S2, using the control chip to receive and determine whether the power supplies of the multiple solid-state hard disk boards are abnormal according to the power supply conditions of the multiple solid-state hard disk boards, and sending the determined power supply abnormality result and the power supply conditions of the multiple solid-state hard disk boards to the storage chip;

[0076] S3, using the storage chip to receive and store the power supply status of the multi-channel solid-state hard disk boards and the power supply abnormality result.

[0077] In some embodiments of the present invention, the control chip may be any one of an 8-bit microcontroller, a 16-bit microcontroller, a 32-bit microcontroller and a 64-bit microcontroller.

[0078] In some embodiments of the present invention, the 32-bit microcontroller can be a microcontroller with a main frequency of up to 120MHz, equipped with up to 3072KB of Flash memory and 96KB of SRAM, wherein the Flash memory is a non-volatile storage technology that can save data without power supply, and SRAM (Static Random Access Memory) is a cache memory that uses a trigger circuit to store data and does not require periodic refresh, so the access speed is very fast. SRAM is non-volatile, but it will lose data when power is off. The 32-bit microcontroller can be GD32F350G8U6TR, wherein GD32F350G8U6TR is based on -32-bit microcontroller based on M4 core. The -M4 core is a 32-bit RISC (Reduced Instruction Set Computing) architecture microcontroller core.

[0079] In some embodiments of the present invention, the USB extender may be a CP2102-GMR chip, wherein the CP2102-GMR chip is a USB to UART (Universal Asynchronous Receiver / Transmitter) bridge chip. The CP2102-GMR chip also includes up to 1024 bytes of EEPROM, 640B of TX buffer and 576B of RX buffer, and is suitable for an environment with an operating temperature range of -40°C to +85°C.

[0080] In some embodiments of the present invention, the storage chip may be a MX25U51245G chip, wherein the MX25U51245G chip is a 512Mbit serial non-volatile storage flash memory chip.

[0081] In some embodiments of the present invention, the power chip may be an IS6605A chip, wherein the IS6605A chip is a DC-to-DC power chip with a step-down function, an adjustable output voltage, an input voltage range of 4V to 16V, and a maximum output current of 6A.

[0082] In some embodiments of the present invention, the sampling chip has multiple channels, and one channel of the sampling chip is used to monitor the power supply of one solid-state hard disk. For example, the sampling chip can be an ADC120IPT chip, wherein the ADC120IPT chip is an 8-channel, 12-bit resolution analog-to-digital converter that supports a conversion rate of 50ksps to 1Msps. The ADC120IPT chip is an 8-channel, 12-bit resolution monitoring chip that can support simultaneous monitoring of the power supplies of 8 solid-state hard disks, meeting the needs of solid-state hard disks and most small electronic devices.

[0083] The power supply monitoring device of the present invention supports independent voltage comparison for each channel and independent channel reference voltage setting, and can monitor the power supplies of multiple solid-state hard disks at the same time.

[0084] The power monitoring device of the present invention adopts an external board sampling method to detect and store the power supply status of the solid state hard disk, which not only makes the monitoring process convenient and fast, but also reduces the monitoring cost.

[0085] In some embodiments of the present invention, the connection method between the control chip and the sampling chip includes but is not limited to Spi (Serial Peripheral Interface).

[0086] In some embodiments of the present invention, the connection method between the control chip and the storage chip includes but is not limited to QSPI (Quad SPI, six-wire SPI).

[0087] In some embodiments of the present invention, the connection method between the control chip and the USB extender includes but is not limited to UART (Universal Asynchronous Receiver / Transmitter).

[0088] In some embodiments of the present invention, the connection method between the control chip and the solid state drive interface male connector includes but is not limited to SMBus (System Management Bus).

[0089] In some embodiments of the present invention, a sampling signal external soldering point is provided on the sampling chip, one channel of the sampling chip corresponds to one sampling signal external soldering point, and each sampling signal external soldering point is used to provide an additional signal input interface or output interface to connect the sampling chip to an external circuit. Each sampling signal external soldering point can be used to receive an analog signal or a digital signal.

[0090] Optionally, the power supply monitoring method of the present invention further includes:

[0091] When the control chip receives a read request for the power supply status and the power supply abnormality result, the target solid-state hard disk interface male head and the target USB interface connected to the reading end and the target USB extender connected to the target USB interface are determined according to the read request, and the power supply status and the power supply abnormality result are sent to the reading end via the target solid-state hard disk interface male head or the target USB extender and the target USB interface.

[0092] The voltage monitoring method of the present invention selects a target solid-state hard disk interface male head or a target USB interface and a target USB extender connected to the target USB interface, and through a data reading method of selecting one of the two, the voltage monitoring device has a real-time reporting function when used in conjunction with a server through the target solid-state hard disk interface male head; the target USB interface and the target USB extender connected to the target USB interface have a more universal interface reading method, which increases the universality and portability of reading, so that the voltage monitoring device of the present invention supports both real-time fault reporting and independent portable use of the voltage monitoring device.

[0093] Optionally, the power supply monitoring method of the present invention further includes:

[0094] The control chip is used to determine the maximum voltage, the minimum voltage, the average voltage and the voltage signal diagram of the power supply conditions of each solid-state hard disk board at different time intervals. When a read request for the power supply conditions of each solid-state hard disk board is received, the power supply conditions of each solid-state hard disk board, the maximum voltage, the minimum voltage, the average voltage and the voltage signal diagram at different time intervals are sent to the reading end via the target solid-state hard disk interface male head corresponding to the reading end or the target USB extender and the target USB interface.

[0095] The power supply monitoring method of the present invention can perform simple data processing, can collect the power supply conditions of each solid-state hard disk board through a USB interface, can also support simple data sorting of the power supply conditions of each solid-state hard disk board, and output the maximum value, minimum value, average value and other data under different time spans, and can draw the data to form a picture-like data display.

[0096] In some embodiments of the present invention, the power monitoring device is powered by the power interface connector, which is suitable for a semi-automated testing scenario in which the power monitoring device is applied to a solid-state hard drive power supply. The power monitoring device is powered by the battery, which is suitable for a portable use scenario.

[0097] The voltage monitoring method of the present invention selects a two-choice power supply mode, so that the voltage monitoring device has compatibility with the testing and operation of the solid-state hard disk when the power interface connector is powered, which is convenient for long-term monitoring; it also supports battery power supply, increasing its portability and debugging practicality; and it ensures the monitoring function when the server backplane is powered off.

[0098] Optionally, the power supply monitoring method of the present invention further includes:

[0099] The power supply monitoring device is powered by a power interface connector connected to the power chip and connected to a power supply.

[0100] The power chip is used to supply power to the power monitoring device through the power interface connector or the battery.

[0101] Optionally, the power supply monitoring method of the present invention further includes:

[0102] The control chip is used to control the power module to supply power to the power monitoring device through the battery when the power supply is powered off while the power chip is supplying power to the power monitoring device through the power interface connector.

[0103] Optionally, the power supply monitoring method of the present invention further includes:

[0104] Utilize the SSD interface male head and the USB interface to receive the written abnormality determination value of the power supply status of each SSD board, and send the abnormality determination value to the control chip;

[0105] The control chip is used to monitor whether the power supply conditions of the solid-state hard disk boards are abnormal by comparing the power supply conditions of the solid-state hard disk boards and the corresponding abnormal judgment values.

[0106] The power supply monitoring device of the present invention monitors the power supply of the solid-state hard disk in real time when the solid-state hard disk is running, and actively stores fault records and actively reports faults after a fault is found, thereby providing low-cost voltage monitoring for stability testing, high and low temperature testing, reliability and durability testing of enterprise-level solid-state hard disks with high stability requirements.

[0107] Optionally, the power supply monitoring method of the present invention further includes:

[0108] Using the sampling chip to collect a voltage analog signal according to a preset first sampling frequency, and converting the voltage analog signal into a voltage digital signal;

[0109] When the control chip detects that the voltage digital signal is abnormal, the sampling chip is controlled to collect the voltage analog signal according to a preset second sampling frequency.

[0110] Optionally, the power supply monitoring method of the present invention further includes:

[0111] The control chip is used to control a fault lamp connected to the control chip to turn on when the voltage digital signal is abnormal.

[0112] As for the method embodiment, since it is basically similar to the device embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the device embodiment.

[0113] The above is a detailed introduction to a power supply monitoring device and method for a solid state hard disk. Specific examples are used in this article to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea. At the same time, for general technicians in this field, according to the idea of ​​the present invention, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A power monitoring device for a solid state drive, characterized in that: The power monitoring device of the solid state drive comprises a sampling chip, a control chip, a battery, a power chip, a storage chip, a solid state drive interface male head, a USB extender and a USB interface assembled in accordance with the structure consistent with the solid state drive, wherein: The sampling chip is connected to the multi-channel solid-state hard disk board power supply through a flying wire method, and is used to monitor the power supply conditions of the multi-channel solid-state hard disk board, and send the monitored power supply conditions of the multi-channel solid-state hard disk board to the control chip; The control chip is connected to the sampling chip, and is used to receive and determine whether the power supplies of the multiple solid-state hard disk boards are abnormal according to the power supply conditions of the multiple solid-state hard disk boards, and send the determined power supply abnormality result and the power supply conditions of the multiple solid-state hard disk boards to the storage chip; The storage chip is connected to the control chip and is used to receive and store the power supply conditions of the multi-channel solid-state hard disk boards and the power supply abnormality results.

2. The power monitoring device for a solid state drive according to claim 1, characterized in that: The SSD interface male head is connected to the control chip and the SSD interface female head on the SSD backplane, and inserted into the SSD backplane; The control chip is also used to, upon receiving a read request for the power supply status and the power supply abnormality result, determine, according to the read request, a target solid-state hard disk interface male head and a target USB interface connected to the reading end and a target USB extender connected to the target USB interface, and send the power supply status and the power supply abnormality result to the reading end via the target solid-state hard disk interface male head or the target USB extender and the target USB interface.

3. The power monitoring device for a solid state drive according to claim 2, characterized in that: The control chip is also used to determine the maximum voltage, minimum voltage, average voltage and voltage signal diagram of the power supply conditions of each solid-state hard disk board at different time intervals, and when a read request for the power supply conditions of each solid-state hard disk board is received, the power supply conditions of each solid-state hard disk board, the maximum voltage, the minimum voltage, the average voltage and the voltage signal diagram at different time intervals are sent to the reading end via the target solid-state hard disk interface male head corresponding to the reading end or the target USB extender and the target USB interface.

4. The power monitoring device for a solid state drive according to claim 1, characterized in that: The power monitoring device also includes a power interface connector connected to the power chip and used to supply power to the power monitoring device by connecting to a power supply. The power chip is also used to supply power to the power monitoring device through the power interface connector or the battery.

5. The power monitoring device for a solid state drive according to claim 4, characterized in that: The control chip is also used to control the power module to supply power to the power monitoring device through the battery when the power supply is cut off while the power chip is supplying power to the power monitoring device through the power interface connector.

6. The power monitoring device for a solid state drive according to claim 5, characterized in that: The solid-state hard disk interface male head and the USB interface are both used to receive the written abnormal judgment values ​​of the power supply conditions of each solid-state hard disk board, and send the abnormal judgment values ​​to the control chip, wherein the control chip is also used to monitor whether the power supply conditions of each solid-state hard disk board are abnormal by comparing the power supply conditions of each solid-state hard disk board with the corresponding abnormal judgment values.

7. The power monitoring device for a solid state drive according to claim 6, characterized in that: The power supply conditions of each solid-state hard disk board are voltage analog signals, where: The sampling chip is further used to collect the voltage analog signal according to a preset first sampling frequency, and convert the voltage analog signal into a voltage digital signal; The control chip is used to control the sampling chip to collect the voltage analog signal according to a preset second sampling frequency when the voltage digital signal is detected to be abnormal.

8. The power monitoring device for a solid state drive according to claim 7, characterized in that: In the sampling chip, the first sampling frequency is lower than the second sampling frequency.

9. The power monitoring device for a solid state drive according to claim 1, characterized in that: The power supply monitoring device further includes a fault lamp connected to the control chip, wherein: The control chip is also used to control the fault light to turn on when the voltage digital signal is abnormal.

10. A method for monitoring power supply of a solid state drive, characterized in that: The power monitoring method is applied to the power monitoring device of the solid state drive according to any one of claims 1 to 9, and the power monitoring method comprises: The sampling chip is used to monitor the power supply conditions of multiple solid-state hard disk boards, and the monitored power supply conditions of the multiple solid-state hard disk boards are sent to the control chip, wherein the sampling chip is connected to the power supply of the multiple solid-state hard disk boards by flying wires; Utilizing the control chip to receive and determine whether the power supplies of the multiple solid-state hard disk boards are abnormal according to the power supply conditions of the multiple solid-state hard disk boards, and sending the determined power supply abnormality result and the power supply conditions of the multiple solid-state hard disk boards to the storage chip; The storage chip is used to receive and store the power supply status of the multi-channel solid-state hard disk board and the power supply abnormality result.

Images