Solid state hard disk detection equipment, detection method and switching device

Abstract

The present invention discloses a solid state hard disk detection device, a detection method and a switching device, the switching device is used to connect an oscilloscope and a solid state hard disk, the switching device comprises a PCB board and a first signal interface, a second signal interface, a differential circuit and a load resistor arranged on the PCB board, the first signal interface, the second signal interface, the differential circuit and the load resistor are sequentially connected in parallel with each other, the first signal interface is used to be electrically connected to the oscilloscope, and the second signal interface is used to be electrically connected to the SMA interface of the solid state hard disk. The present invention is conducive to improving the accuracy of detecting the data transmission performance of the solid state hard disk.

Description

Technical Field

[0001] The present invention relates to the technical field of hard disk detection, and in particular to a solid state hard disk detection device, a detection method and a switching device. Background Art

[0002] As we all know, hard disks are commonly used data storage components on computers. Existing hard disks generally include mechanical hard disks and solid-state hard disks. Among them, solid-state hard disks are becoming more and more widely used in computers due to their excellent performance.

[0003] Before existing SSDs are shipped out of the factory, the data transmission performance of the SSD is generally tested. The testing method is to install the SSD on a computer host and then connect it to the computer host through an oscilloscope to test the data transmission performance of the SSD. However, this testing method does not directly test the SSD, so the data detected by the oscilloscope cannot fully reflect the data transmission performance of the SSD being tested. Summary of the invention

[0004] The main purpose of the present invention is to provide a solid state hard disk detection device, a detection method and a switching device, aiming to solve the problem that the existing detection method cannot fully reflect the data transmission performance of the solid state hard disk.

[0005] In order to solve the above technical problems, the present invention proposes a switching device, which includes a PCB board and a first signal interface, a second signal interface, a differential circuit and a load resistor arranged on the PCB board, the first signal interface, the second signal interface, the differential circuit and the load resistor are connected in parallel with each other in sequence, the first signal interface is used to be electrically connected to the oscilloscope, and the second signal interface is used to be electrically connected to the SMA interface of the solid-state hard disk.

[0006] Preferably, the adapter device also includes a first power interface and a second power interface which are arranged on the PCB board and are electrically connected to each other, the first power interface is used to be electrically connected to an external power supply, and the second power interface is used to be electrically connected to the power interface of the solid state drive.

[0007] Preferably, the resistance of the load resistor is 100Ω.

[0008] The present invention further proposes a solid-state hard disk detection device, which includes an oscilloscope and a switching device, wherein the switching device includes a PCB board and a first signal interface, a second signal interface, a differential circuit and a load resistor arranged on the PCB board, the first signal interface, the second signal interface, the differential circuit and the load resistor are connected in parallel with each other in sequence, the first signal interface is used to be electrically connected to the oscilloscope, and the second signal interface is used to be electrically connected to the SMA interface of the solid-state hard disk.

[0009] Preferably, the oscilloscope comprises a housing, an electron gun, a deflection system, a fluorescent screen and an internal power supply, and the electron gun is electrically connected to the first signal interface.

[0010] Preferably, the surface of the shell has an inwardly recessed accommodating cavity and a cover plate for sealing the accommodating cavity, and the adapter device can be received in the accommodating cavity.

[0011] Preferably, the cover plate is slidably connected to the shell.

[0012] Preferably, a first magnetic attraction portion is disposed on the cover plate, and a second magnetic attraction portion that can cooperate with the first magnetic attraction portion is correspondingly disposed on the shell.

[0013] Preferably, a solid state drive detection method comprises:

[0014] When the solid state drive detects a power-on operation, the main control chip of the solid state drive sends a random code to the flash memory module;

[0015] The flash memory module generates a feedback signal according to the random code, and sends the feedback signal to the switching device;

[0016] The switching device converts the feedback signal into a display signal, and sends the display signal to an oscilloscope;

[0017] The oscilloscope displays a corresponding eye diagram according to the display signal.

[0018] Preferably, the random code is a pseudo-random code;

[0019] The main control chip sends the pseudo-random code to the flash memory module through the SATA port.

[0020] The adapter provided by the embodiment of the present invention simulates the load by using a differential circuit and a load resistor, and uses a first signal interface to connect an oscilloscope and a second signal interface to connect a solid-state hard disk, so that the solid-state hard disk can be tested by using an oscilloscope without installing the solid-state hard disk on a computer motherboard. Compared with the prior art, the present invention is conducive to improving the accuracy of testing the data transmission performance of the solid-state hard disk. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of an embodiment of a switching device in the present invention;

[0022] Figure 2 It is a structural schematic diagram of another embodiment of the switching device in the present invention;

[0023] Figure 3 It is a structural schematic diagram of an embodiment of a solid state hard disk detection device in the present invention;

[0024] Figure 4 A diagram showing the connection relationship among the switching device, the electron gun, the deflection system, the fluorescent screen and the internal power supply in the present invention;

[0025] Figure 5 It is a flow chart of an embodiment of a detection method of a solid state drive in the present invention. DETAILED DESCRIPTION

[0026] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but are not to be construed as limiting the present invention. All other embodiments obtained by ordinary technicians in the field without creative work based on the embodiments of the present invention are within the scope of protection of the present invention.

[0027] An embodiment of the present invention proposes a switching device, which includes a PCB board 61 and a first signal interface 62, a second signal interface 63, a differential circuit 66 and a load resistor 67 arranged on the PCB board 61. The first signal interface 62 can be connected to an oscilloscope, the second signal interface 63 can be connected to the SATA interface of the solid-state hard disk to be tested, both ends of the differential circuit 66 are connected to the second signal interface 63, both ends of the load resistor 67 are respectively connected to the two ends of the differential circuit 66, and both ends of the load circuit 66 are also connected to the first signal interface 62.

[0028] In this embodiment, Figure 1As shown, the PCB board 61 can be in the existing form. Of course, in order to protect the PCB board 61, the adapter 60 can also include a shell, and the PCB board 61 is located in the shell, and the shell is respectively provided with through holes for the first signal interface 62 and the second signal interface 63 to pass through. The first signal interface 62 can be set according to actual conditions, such as the first signal interface 62 is directly connected to the electron gun or to the interface on the oscilloscope, and the second signal interface 63 can be adapted to the SMA interface on the solid state drive. The differential circuit 66 can be in the existing form, and both ends of the differential circuit 66 are connected to the second signal interface 63, and both ends of the load resistor 67 are respectively connected to the differential circuit 66 in parallel, that is, the two ends of the load resistor 67 are respectively connected to the two ends of the differential circuit 66, and the two ends of the load resistor 67 are also connected to the first signal interface 62, so that the oscilloscope can collect the change of the voltage value of the load resistor 67. As for how to convert the voltage value of the load resistor 67 to obtain the data transmission performance of the solid state drive to be tested, it can be based on the analysis method of the existing oscilloscope, and no detailed description is given here. Among them, the SMA interface on the solid state drive is the large SATA interface commonly called in life, and the power interface on the solid state drive is the small SATA interface commonly called in life. In this embodiment, by using the differential circuit 66 and the load resistor 67 to simulate the load, and using the first signal interface 62 to connect the oscilloscope and the second signal interface 63 to connect the solid state drive, the solid state drive can be tested by the oscilloscope without installing the solid state drive on the computer motherboard, so as to directly obtain the data transmission performance of the solid state drive, thereby improving the accuracy of testing the data transmission performance of the solid state drive and facilitating the testing process of the solid state drive.

[0029] In a preferred embodiment, if Figure 2 As shown, the PCB board 61 preferably also has a first power interface 64 and a second power interface 65 that are interconnected, the first power interface 64 can be connected to an external power source, the second power interface 65 can be connected to a solid state drive, and the second power interface 65 and the second signal interface 63 are located on the same side of the PCB board 61, so that the second signal interface 63 and the second power interface 65 can be connected to the SMA interface and the power interface on the solid state drive at the same time. Among them, a transformer 68 can be provided on the PCB board 61, and the first power interface 64 and the second power interface 65 are respectively connected to the two ends of the transformer 68, so that the transformer 68 is used to transform the voltage output by the first power interface 64 to a preset value and then output it to the second power interface 65, so as to facilitate the power supply to the solid state drive. At this time, the first power interface 64 can be directly connected to the indoor power supply, or it can be connected to the power supply of the oscilloscope.

[0030] In a preferred embodiment, the resistance of the load resistor 67 is preferably 100Ω. Since existing solid state hard disks generally comply with SATA protocol regulations, the resistance of the load resistor 67 can be 100Ω.

[0031] In a preferred embodiment, a self-starting program can also be written into the main control chip of the solid state drive, and the way to write the self-starting program is to burn it using a computer. The specific self-starting program is set according to the actual situation. In the embodiment of the present invention, when the solid state drive receives the power-on operation, the main control chip in the solid state drive sends a random code to the flash memory module inside the solid state drive, and the flash memory module generates a feedback signal according to the random code, and sends the feedback signal to the adapter. The adapter converts the feedback signal into a display signal that the oscilloscope can recognize and display the eye diagram and sends it to the oscilloscope. The oscilloscope displays the corresponding eye diagram obtained by the flash memory module of the solid state drive according to the display signal. More specifically, the function of the self-starting program is that after the solid state drive is powered on, the self-starting program sends a start signal to the oscilloscope, so as to facilitate the automatic operation of the oscilloscope. In the embodiment of the present invention, the feedback signal of the flash memory module can be used as the start signal of the oscilloscope. After the adapter converts the feedback signal into a display signal and sends it to the oscilloscope, the oscilloscope receives the display signal, starts its own self-starting operation, and displays the corresponding eye diagram according to the display signal. In this embodiment, the random code is a pseudo-random code. When the solid state drive detects a power-on operation, the main control chip will generate a pseudo-random code and send the pseudo-random code to the flash memory module through the SATA port. The flash memory module generates a feedback signal based on the pseudo-random code.

[0032] In a preferred embodiment, if Figure 2 As shown, in order to facilitate the control of power supply to the solid-state hard disk, a control switch 69 is preferably provided on the PCB board 61 to control the on and off of the circuit between the first power interface 64 and the second power interface 65. Specifically, the first power interface 64 and the second power interface 65 are respectively connected to the two ends of the control switch 69, so that the control switch 69 is used to control the power-on or power-off state of the solid-state hard disk.

[0033] The present invention further proposes a solid-state hard disk detection device, which includes the adapter and the oscilloscope in the above-mentioned embodiment. The specific structure of the adapter refers to the above-mentioned embodiment. Since the solid-state hard disk detection device adopts all the technical solutions of all the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be described one by one here.

[0034] In a preferred embodiment, if Figures 1 to 4As shown, the oscilloscope includes a housing 10, an electron gun 20, a deflection system 30, a fluorescent screen 40 and an internal power supply 50. The electron gun 20, the deflection system 30, the fluorescent screen 40 and the internal power supply 50 in the oscilloscope can be arranged with reference to the existing oscilloscope, which will not be described in detail here. Of course, the oscilloscope also needs to be provided with a main processor that controls the operation of each component, which will not be described in detail here. At this time, the internal power supply 50 can supply power to the electron gun 20, the deflection system 30 and the fluorescent screen 40. At the same time, it is preferred that the internal power supply 50 can also supply power to the solid state drive, specifically, the internal power supply 50 has an interface connected to the power interface of the solid state drive, and the interface can be located on the housing 10. The internal power supply 50 and the solid state drive can be connected by plugging corresponding cables, so as to realize the internal power supply 50 supplying power to the solid state drive. Of course, the power supply method of the solid state drive to be tested can also be directly powered by an external power supply. The adapter 60 can be fixedly arranged on the surface of the housing 10, or it can be connected to the electron gun 20 through a cable. Specifically, the specific structure of the adapter 60 can be arranged with reference to the above embodiment, and will not be described in detail here. The following mainly describes in detail the connection method between the adapter and the oscilloscope, which can be that the first signal interface 62 is directly fixedly connected to the electron gun 20, that is, the first signal interface 62 and the electron gun 20 are inseparable. In this embodiment, the oscilloscope and the adapter are integrated to facilitate the detection of the solid state hard disk. As for the effect of the adapter, it will not be described in detail here, and it can be referred to the above embodiment.

[0035] In a preferred embodiment, in order to facilitate the data information collected by the solid-state hard disk detection device to be more accurate, a temperature detection device and a humidity detection device can also be added. The temperature detection device is arranged on a circumferential side of the housing 10, and the humidity detection device and the temperature detection device are installed on the same surface, and the humidity detection device is above the temperature detection device. Preferably, the temperature detection device and the humidity detection device are both installed on the housing 10 in a detachable manner. At this time, the tester can understand the use environment of the oscilloscope through the temperature detection device and the humidity detection device. Of course, the oscilloscope also includes a broadcast reminder device. If it is detected that the current oscilloscope working environment index does not meet the preset data, the broadcast reminder device will voice prompt that the environment is not suitable, and at the same time, it will point out whether the index is high or low, and how much the difference is. The user can directly determine whether to continue to use the oscilloscope or how long the oscilloscope needs to rest according to the prompt voice, thereby protecting the oscilloscope, improving the safety of use, and improving the test accuracy. Among them, it is preferred that the temperature detection device is a temperature sensor, the humidity detection device is a humidity sensor, and the broadcast reminder device is a speaker, and the way to process the data can be to set a processing chip separately, or it can be controlled by the main processor of the oscilloscope. The oscilloscope in this embodiment has a simple structure and is easy to use. It can measure the operating temperature and humidity of the oscilloscope in real time and make corresponding reminders. It has high safety and improved measurement accuracy.

[0036] In a preferred embodiment, if Figure 3 As shown, preferably, a housing 10 is provided with a housing cavity 11, and the size of the housing cavity 11 can be set according to actual conditions, such as being able to accommodate the adapter 60. At the same time, in order to conveniently protect the adapter 60 stored in the housing cavity 11, a cover plate 12 for blocking the open end of the housing cavity 11 can also be provided on the housing 10, and the form of connection between the cover plate 12 and the housing 10 can be that the cover plate 12 and the housing 10 are slidably connected, so as to facilitate pushing the cover plate 12 to slide so as to control the opening and closing of the open end of the housing cavity 11, or one side of the cover plate 12 can be hinged to the housing 10, so as to rotate the cover plate 12 so that the cover plate 12 can block the open end of the housing cavity 11, and of course, a part of the area of ​​the cover plate 12 can be embedded in the housing cavity 11 from the open end of the housing cavity 11, so as to achieve the cover plate 12 blocking the open end of the housing cavity 11.

[0037] In a preferred embodiment, in order to facilitate the adapter 60 to detect the solid state hard disk, the adapter 60 is preferably located outside the housing 10, and the adapter 60 is connected to the electron gun 20 via a cable, and the length of the cable can be set according to actual conditions, so as to facilitate the detection of solid state hard disks at different positions. At this time, the adapter 60 can be stored in the accommodating cavity 11 when not in use.

[0038] In a preferred embodiment, in order to facilitate the stability of the cover plate 12 after it blocks the open end of the accommodating chamber 11, it is preferred that a first magnetic attraction portion is provided on the cover plate 12, and a second magnetic attraction portion is provided on the shell 10, and a magnetic coupling is formed by the first magnetic attraction portion and the second magnetic attraction portion, so as to fix the cover plate 12. Specifically, when the cover plate 12 is provided on the shell 10 in a sliding connection manner, it is preferred that the first magnetic attraction portion is located at the front end of the cover plate 12 (i.e., the end facing the open end of the accommodating chamber 11), and when the cover plate 12 is connected to the shell 10 in a hinged manner, it is preferred that the first magnetic attraction portion is located on the end of the cover plate 12 opposite to the hinge. Of course, the method of fixing the cover plate 12 can also use devices or structures such as screws or reverse buckles to facilitate fixing the cover plate 12 to the shell 10.

[0039] In a preferred embodiment, if Figure 2 As shown, the PCB board preferably also has a first power interface 64 and a second power interface 65 that are interconnected. At this time, the specific arrangement of the first power interface 64 and the second power interface 65 can refer to the above embodiment, and the arrangement state of the adapter 60 is specifically described here. Specifically, the adapter 60 can also be fixedly arranged in the housing 10, and the second signal interface 63 and the second power interface 65 are located on the outer wall of the housing 10. Preferably, the second signal interface 63 and the second power interface 65 are located at the bottom of the accommodating cavity 11, and the accommodating cavity 11 can just fit the solid state hard disk or be slightly larger than the solid state hard disk, so that the solid state hard disk can be inserted into the accommodating cavity 11, and the solid state hard disk can be connected to the second signal interface 63 and the second power interface 65 located in the accommodating cavity 11. At this time, the size of the accommodating cavity 11 is preferably adapted to the solid state hard disk, so that the circumferential side wall of the solid state hard disk can be attached to the circumferential side wall of the accommodating cavity 11, so as to improve the stability of the solid state hard disk placed in the accommodating cavity 11, so as to facilitate the solid state hard disk to be connected to the second signal interface 63 and the second power interface 65 at the same time. The accommodating chamber 11 is preferably located at the top of the housing 10, which is beneficial to prevent the stability of the solid state hard disk placed in the accommodating chamber 11. In this embodiment, by fixing the second signal interface 63 and the second power interface 65 at the bottom of the accommodating chamber 11, it is convenient to insert the solid state hard disk into the accommodating chamber 11, so that the solid state hard disk is connected to the second signal interface 63 and the second power interface 65 respectively, thereby facilitating the detection of the solid state hard disk.

[0040] In a preferred embodiment, if Figure 3As shown, in order to facilitate the sliding of the cover plate 12, it is arranged on the housing 10, so as to facilitate the closing or opening of the open end of the accommodating chamber 11 by pushing the cover plate 12. The specific sliding connection method can be that the cover plate 12 is connected to the outer wall of the housing 10 through a slide rail, or a cavity adapted to the cover plate 12 is arranged on the circumferential side wall of the accommodating chamber 11, and the cover plate 12 is placed in the cavity. At the same time, in order to facilitate the sliding of the cover plate 12, it is preferred that a handle is also arranged on the cover plate 12 to facilitate the sliding of the cover plate 12, and the style of the handle can be arranged according to the existing style, such as a cylinder or a sphere.

[0041] The present invention also provides a method for detecting a solid state hard disk. Figure 5 As shown, the detection method includes:

[0042] S10, when the solid state hard disk detects a power-on operation, the main control chip of the solid state hard disk sends a random code to the flash memory module.

[0043] In this step, first, the solid state drive to be tested and the oscilloscope are electrically connected respectively through the adapter, wherein the adapter can be the adapter mentioned in the above embodiment, which will not be described in detail here. After the solid state drive is powered by the adapter or the external power supply, the main control chip in the solid state drive can send a random code to the flash memory module, and the form of the random code can be set according to the actual situation to facilitate the flash memory module to identify it. Among them, a self-starting program can also be written in the main control chip, so that the self-starting program can control the main control chip to send a random code to the flash memory module after detecting that the solid state drive is powered on.

[0044] S20, the flash memory module generates a feedback signal according to the random code, and sends the feedback signal to the switching device.

[0045] In this step, the flash memory module generates a feedback signal after confirming the random code, and sends the feedback signal to the switching device. The feedback signal can be transmitted from the second signal interface on the switching device to the first signal interface, thereby transmitting the feedback signal to the oscilloscope.

[0046] S30, the switching device converts the feedback signal into a display signal, and sends the display signal to the oscilloscope.

[0047] In this step, through the second signal interface on the adapter connected to the solid state drive to be tested and the first interface electrically connected to the oscilloscope, the feedback signal collected by the second signal interface is converted into a display signal recognizable by the oscilloscope through the first signal interface and sent to the oscilloscope.

[0048] S40, the oscilloscope displays a corresponding eye diagram according to the display signal.

[0049] In this step, after the oscilloscope receives the display signal transmitted from the first signal interface, it can display the corresponding eye diagram in comparison with the display signal, so that the tester can judge the performance of the solid-state hard disk to be tested based on the eye diagram. Of course, the way to confirm the quality of the solid-state hard disk to be tested can also be to automatically judge, such as by setting a standard value. If the parameters of each part of the displayed eye diagram (i.e., the transmission speed at each time point when time is the vertical coordinate) are all lower than the standard value, or the ratio of the parameters of each part of the eye diagram lower than the standard value reaches a certain value, the hard disk to be tested is judged as an unqualified product, otherwise it is a qualified product.

[0050] In a preferred embodiment, in order to facilitate the flash memory module to identify the random code, the random code is preferably in the form of a pseudo-random code. For example, CDMA uses a pseudo-random code of 42, and the probability of repetition is 1 in 4.4 trillion, so it can be used as a random code.

[0051] The above are only partial or preferred embodiments of the present invention. Neither the text nor the drawings can limit the scope of protection of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the overall concept of the present invention, or direct / indirect application in other related technical fields are included in the scope of protection of the present invention.

Claims

1. A solid state hard disk detection method, characterized in that: The solid-state hard disk detection method is applied to a solid-state hard disk detection device, and the solid-state hard disk detection device includes a switching device and an oscilloscope; The adapter is used to connect an oscilloscope and a solid-state hard disk, the adapter includes a PCB board and a first signal interface, a second signal interface, a differential circuit and a load resistor arranged on the PCB board, the first signal interface, the second signal interface, the differential circuit and the load resistor are sequentially connected in parallel with each other, the first signal interface is used to be electrically connected to the oscilloscope, and the second signal interface is used to be electrically connected to the SMA interface of the solid-state hard disk, and the solid-state hard disk detection method includes: When the solid state drive detects a power-on operation, the main control chip of the solid state drive sends a random code to the flash memory module; The flash memory module generates a feedback signal according to the random code, and sends the feedback signal to the switching device; The switching device converts the feedback signal into a display signal, and sends the display signal to an oscilloscope; The oscilloscope displays a corresponding eye diagram according to the display signal.

2. The solid state hard disk detection method according to claim 1, characterized in that: The adapter also includes a first power interface and a second power interface which are arranged on the PCB board and are electrically connected to each other, the first power interface is used to be electrically connected to an external power supply, and the second power interface is used to be electrically connected to the power interface of the solid state drive.

3. The solid state hard disk detection method according to claim 1, characterized in that: The resistance of the load resistor is 100Ω.

4. The solid state hard disk detection method according to claim 1, characterized in that: The oscilloscope comprises a housing, an electron gun, a deflection system, a fluorescent screen and an internal power supply, and the electron gun is electrically connected to the first signal interface.

5. The solid state hard disk detection method according to claim 4, characterized in that: The surface of the shell has an inwardly recessed accommodating cavity and a cover plate for sealing the accommodating cavity, and the adapter can be received in the accommodating cavity.

6. The solid state hard disk detection method according to claim 5, characterized in that: The cover plate is slidably connected to the shell.

7. The solid state hard disk detection method according to claim 6, characterized in that: The cover plate is provided with a first magnetic attraction portion, and the shell is correspondingly provided with a second magnetic attraction portion that can cooperate with the first magnetic attraction portion.

8. The solid state hard disk detection method according to claim 1, characterized in that: The random code is a pseudo-random code; The main control chip sends the pseudo-random code to the flash memory module through the SATA port.

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