Storage devices, network devices, and network device components

Abstract

The present disclosure provides a storage device, a network device, and a network device component, belonging to the technical field of network storage. The storage device includes a housing, a circuit board, a storage medium, and a first electrical connection component. The circuit board is fixed inside the housing, and the storage medium and the first electrical connection component are electrically connected through the circuit board. The first electrical connection component is used for electrically connecting with the network device. The storage device of the present disclosure can be fixed to the network device, thereby improving the stability of the mechanical connection between the storage device and the network device and reducing the space occupied by the storage device and the network device.

Description

[0001] This disclosure claims the priority of a Chinese patent application with the application number 202311421107.9 and the invention title "Storage Device, Home Network Device and Home Network Device Component" filed on October 27, 2023, the entire content of which is incorporated herein by reference. Technical Field

[0002] This disclosure relates to the field of network storage technologies, and particularly to a storage device, a network device and a network device component. Background Art

[0003] Currently, some network devices can be externally connected to a storage device to implement a simple network-attached storage (NAS) function. A user terminal can communicate with the storage device through the network device, enabling the user to send data such as photos and videos to the storage device for storage and remotely access this data. Summary of the Invention

[0004] This disclosure provides a storage device, a network device and a network device component. The technical solutions of the storage device, the network device and the network device component are as follows.

[0005] In a first aspect, this disclosure provides a storage device. The storage device is fixed to a network device. The storage device includes a housing, a circuit board, a storage medium and a first electrical connection component. The circuit board is fixed inside the housing, and the storage medium and the first electrical connection component are electrically connected through the circuit board. The first electrical connection component is used to be electrically connected to the network device.

[0006] Among them, the housing is a structural member of the storage device, used to support and protect each component inside the storage device. The circuit board is used to carry the electrical components inside the storage device and to achieve electrical connections between the electrical components. The storage medium is used to store data. The first electrical connection component is used to achieve the electrical connection between the storage medium and the network device, to transmit data between the storage medium and the network device, and to carry the electrical energy transmitted from the network device to the storage medium. The network device can be a home network device.

[0007] In the technical solution provided by the present disclosure, a circuit board is disposed inside the housing of the storage device, and the storage medium and the first electrical connection component are electrically connected through the circuit board. In this way, the storage medium can be electrically connected to the network device through the first electrical connection component. Moreover, the storage device can be fixed to the network device. As a result, the stability of the connection between the storage device and the network device is improved, the possibility of accidental collision and detachment of the storage device is reduced, and the storage device and the network device can be closely installed and used together, reducing the occupied space when placed separately. In the scenario where the network device is mounted on the wall, the storage device and the network device can be mounted on the wall together.

[0008] In a possible implementation manner, the first electrical connection component is an electrical connector or an electrical interface. The first electrical connection component is electrically connected to the network device through a cable or directly.

[0009] In a possible implementation manner, the first electrical connection component is an electrical connector, and a part of the electrical connector extends out of the housing. The electrical connector is used for plugging into the electrical interface of the network device.

[0010] In the technical solution provided by the present disclosure, the storage device can be plugged into the electrical interface of the network device through the electrical connector without using an electrical connection cable, which improves the integrity after the connection between the storage device and the network device, enables the storage device and the network device to be closely installed and used together, and reduces the occupied space when placed separately.

[0011] In a possible implementation manner, for the case where the first electrical connection component is an electrical connector, the storage device can be fixed to the network device by relying on the electrical connector, that is, the electrical connector realizes the electrical connection and mechanical connection between the storage device and the network device.

[0012] In a possible implementation manner, the first electrical connection component is an electrical interface. The electrical interface is connected to the network device through a cable. Among them, when the physical form of the electrical interface is a universal serial bus (USB) connector, the electrical connection cable is a USB cable. When the physical form of the electrical interface is a serial advanced technology attachment (SATA) connector, the electrical connection cable is a SATA cable.

[0013] In a possible implementation manner, the storage device further includes a first mechanical connection structure, and the first mechanical connection structure is disposed on the housing, and the storage device is fixed to the network device through the first mechanical connection structure.

[0014] In a possible implementation manner, the first mechanical connection structure is a clamping structure, and the first mechanical connection structure is clamped with the network device.

[0015] Among them, when the first mechanical connection structure is a snap, the network device is provided with a snap hole. When the first mechanical connection structure is a snap hole, the network device is provided with a snap. The snap extends into the snap hole to achieve snap connection.

[0016] In a possible implementation, the first electrical connection component is an electrical connector, and a part of the electrical connector extends out of the housing. The snap structure is a snap, and the snap and the electrical connector protrude from the same side of the housing.

[0017] In a possible implementation, the first mechanical connection structure is a screw hole for fixing to the network device with screws.

[0018] In a possible implementation, the first mechanical connection structure is a guide groove or a calabash nail / hole for fixing to the corresponding guide groove or calabash hole / nail of the network device.

[0019] In a possible implementation, the storage device includes two first mechanical connection structures, and the two first mechanical connection structures are respectively located at both ends of the housing. In this way, the stability of the mechanical connection between the storage device and the network device is further improved. Among them, the two first mechanical connection structures are arranged in sequence along the length direction of the housing.

[0020] In a possible implementation, if the storage device does not include the first mechanical connection structure, the storage device can be fixed to the network device by bonding, magnetic attraction or relying on the electrical connector.

[0021] In a possible implementation, the storage medium is a solid-state drive (SSD) or a hard disk drive (HDD). Among them, the SSD has the advantages of low cost, fast read and write speed (generally above 100MB / S) and large capacity. The storage capacity of the SSD is 256GB, 512GB, 1TB or 2TB and larger capacities, etc.

[0022] In a possible implementation, the storage device further includes a connector. The connector is fixed to the circuit board, the storage medium is docked with the connector, and the storage medium realizes electrical connection with the circuit board through the connector.

[0023] In a possible implementation, the storage medium has an M.2 interface, and the connector is an M.2 connector. The M.2 interface is docked with the M.2 connector. Among them, the interface protocol of M.2 can be the peripheral component interconnect express (PCIe) protocol or the SATA protocol.

[0024] In a possible implementation, the storage medium has a USB interface, and the connector is a USB connector.

[0025] In a possible implementation, the storage device further includes a trigger. The trigger is electrically connected to the first electrical connection component through a circuit board. The trigger is configured to send an indication message through the first electrical connection component when triggered. The indication message is used to instruct the network device to perform a power-off protection operation on the storage device. Among them, the power-off protection operation includes stopping read and write operations on the storage medium, etc.

[0026] The technical solution provided by the present disclosure can reduce the possibility of damage to the storage medium by setting a trigger to trigger the network device to perform a power-off protection operation on the storage device.

[0027] In a possible implementation, the trigger is located on the unlocking path of the first mechanical connection structure. During the unlocking process of the first mechanical connection structure, the first mechanical connection structure triggers the trigger. Among them, the unlocking path refers to the movement path for the first mechanical connection structure to release the fixation with the network device.

[0028] In the technical solution provided by the present disclosure, before the user removes the storage device, the user must first operate the first mechanical connection structure to release the fixed state between the storage device and the network device. During the operation of the first mechanical connection structure, the first mechanical connection structure will move (move along the unlocking path). Since the trigger is located on the unlocking path of the first mechanical connection structure, the first mechanical connection structure will squeeze the trigger. After being squeezed, the trigger sends an indication message to the network device through the first electrical connection component. The indication message is used to instruct the network device to perform a power-off protection operation on the storage device. In this way, after the user completes the unlocking, the network device has completed the power-off protection operation, and then the storage device is removed, and the storage medium will not be damaged.

[0029] It can be seen that by setting the trigger on the unlocking path of the first mechanical connection structure, the present disclosure enables the user to automatically trigger the network device to perform a power-off protection operation during the process of removing the storage device (or during the process of releasing the mechanical connection state between the storage device and the network device). This triggering method has high reliability and low cost.

[0030] In a possible implementation, the side wall of the housing has an opening, and the trigger is opposite to the opening. The first mechanical connection structure is a buckle. The buckle is located at the opening, and when the buckle is pressed, the buckle squeezes the trigger and enables the trigger to send an indication message through the electrical connector.

[0031] In a possible implementation, one end of the buckle is connected to the hole wall of the opening, and the other end protrudes relative to the bottom wall of the housing.

[0032] In a possible implementation, the buckle has a protrusion for contacting the trigger member.

[0033] In a possible implementation, the trigger member is a button.

[0034] In a possible implementation, the trigger member protrudes towards the first mechanical connection structure relative to the edge of the circuit board.

[0035] In a possible implementation, the trigger member is located on the side of the circuit board facing the bottom wall of the housing.

[0036] In the technical solution provided by the present disclosure, when the buckle is pressed, the moving strokes of the various parts of the buckle are different. Specifically, the farther away from the end where the buckle is connected to the hole wall of the opening, the greater the stroke of this part of the buckle. By arranging the trigger member on the side of the circuit board facing the bottom wall of the housing as compared with arranging the trigger member on the side of the circuit board facing away from the bottom wall of the housing, the moving stroke of the part opposite to the trigger member is larger, which is beneficial to improving the reliability of the buckle pressing the trigger member.

[0037] In a possible implementation, the storage device further includes a button, and the trigger member is located on the pressing path of the button. When the button is pressed, the button triggers the trigger member.

[0038] In the technical solution provided by the present disclosure, before the user removes the storage device, the user needs to first press the button. Then, the user unlocks the first mechanical connection structure and then removes the storage device.

[0039] In a possible implementation, the storage device further includes a pull-up resistor, and the first electrical connection component has a first power-down protection pin. One end of the pull-up resistor is electrically connected to the power supply, and the other end is electrically connected to the first power-down protection pin. The first end of the trigger member is grounded, and the second end is electrically connected to the first power-down protection pin. The trigger member is configured to disconnect the first end and the second end in the non-trigger state and electrically connect the first end and the second end in the trigger state to ground the first power-down protection pin. Wherein, the indication message is that the first power-down protection pin is in a low level state.

[0040] In the technical solution provided by the present disclosure, in the non-trigger state, the trigger member disconnects the first end and the second end, so that under the action of the power supply, the first power-down protection pin is in a high level state. In the trigger state, the trigger member connects the first end and the second end, then the first power-down protection pin is grounded, so that the first power-down protection pin is in a low level state.

[0041] In a possible implementation, the storage device further includes a pull-down resistor. The first electrical connection component has a first power-down protection pin. One end of the pull-down resistor is grounded, and the other end is electrically connected to the first power-down protection pin. The first end of the trigger is electrically connected to the power supply, and the second end is electrically connected to the first power-down protection pin. The trigger is configured to disconnect the first end and the second end in the non-trigger state, and connect the first end and the second end in the trigger state to electrically connect the first power-down protection pin to the power supply. Wherein, the indication message is that the first power-down protection pin is in a high-level state.

[0042] According to the technical solution provided by the present disclosure, in the non-trigger state, the first end and the second end are disconnected, the first power-down protection pin is grounded, and the first power-down protection pin is in a low-level state. In the trigger state, the trigger connects the first end and the second end, then the first power-down protection pin is electrically connected to the power supply, and the first power-down protection pin is in a high-level state.

[0043] In a possible implementation, the storage device further includes an indicator light. The indicator light is used to indicate the working state of the storage device. Wherein, the working state of the storage device includes one or more of an initialization working state, a normal working state, a state of performing power-down protection operation, and a power-off state.

[0044] In a possible implementation, the first electrical connection component has a first lamp control pin. One end of the indicator light is electrically connected to the power supply, and the other end is electrically connected to the first lamp control pin. The indicator light receives a message for indicating the state of the indicator light through the first lamp control pin.

[0045] In a possible implementation, the signal definition of the pins of the first electrical connection component conforms to the peripheral component interconnect express (PCIe) protocol. In this way, the data transmission rate of the first electrical connection component is relatively high, and the read / write rate of the storage device is relatively high.

[0046] In a possible implementation, the signal definition of the pins of the first electrical connection component conforms to the USB protocol.

[0047] In a possible implementation, the signal definition of the pins of the first electrical connection component conforms to the SATA protocol.

[0048] In a possible implementation, the physical form of the first electrical connection component is the same as that of the USB electrical connection component.

[0049] Wherein, the USB electrical connection component is a USB Type A, USB Type B, USB Type C or micro USB electrical connection component.

[0050] In a possible implementation, the pins of the first electrical connection component include a first transmission signal pin pair, a first reception signal pin pair, and a first reset pin. Among them, both the first transmission signal pin pair and the first reception signal pin pair are differential signal pins and exist in pairs. The first transmission signal pin pair can be one pair, two pairs, or more pairs, and the first reception signal pin pair can be one pair, two pairs, or more pairs. The first transmission signal pin pair is used to send the data stored in the storage medium to the network device. The first reception signal pin pair is used to send the data of the network device to the storage medium. The first reset pin is used to transmit a reset signal, and the reset signal is used to indicate the reset of the storage medium.

[0051] For the technical solution provided by the present disclosure, on the one hand, by setting the physical form of the first electrical connection component to be the same as that of the USB electrical connection component, the size and cost of the first electrical connection component can be reduced. On the other hand, by defining the pins of the first electrical connection component with the physical form of the USB electrical connection component to conform to the PCIe protocol or the SATA protocol, there is no need to use a USB-to-PCIe interface chip or a USB-to-SATA interface chip.

[0052] In a possible implementation, the pins of the first electrical connection component further include a first clock signal pin pair. Among them, the first clock signal pin pair exists in pairs. The first clock signal pin pair is used to transmit a clock signal.

[0053] In a possible implementation, the pins of the first electrical connection component further include a first presence detection pin. Among them, the first presence detection pin is used to detect whether the storage medium is present.

[0054] In a possible implementation, the pins of the first electrical connection component further include a first version number pin. Among them, the first version number pin is used to transmit the version number of the storage medium.

[0055] In a possible implementation, the first electrical connection component is a card-edge connector. Among them, the card-edge connector is used to dock with the PCIe interface in the network device.

[0056] In a possible implementation, the first electrical connection component is a double-sided edge connector.

[0057] In a possible implementation, the storage device includes a plurality of storage media. In this way, the storage capacity of the storage device can be improved. Or, the security of data storage can be improved. Among them, "plurality" means two or more.

[0058] In a possible implementation, the plurality of storage media are distributed on both sides of the circuit board. In this way, it is convenient to arrange the plurality of storage media.

[0059] In a possible implementation, multiple storage media are distributed on the same side of the circuit board.

[0060] In a possible implementation, the storage device includes multiple first electrical connection components, and the multiple first electrical connection components are electrically connected to the multiple storage media respectively. Here, "multiple" means two or more.

[0061] In a possible implementation, the storage device includes multiple storage media. The storage device further includes a multiplexing module. The common terminal of the multiplexing module is electrically connected to the first electrical connection component, and multiple groups of branch terminals of the multiplexing module are electrically connected to multiple groups of storage media respectively.

[0062] Among them, the multiplexing module can electrically connect multiple storage media to the network device through the same set of pins of the first electrical connection component. Moreover, the multiplexing module can determine which storage media to send the data of the network device to.

[0063] In a possible implementation, the multiplexing module is a PCIe bridge chip, a USB Hub chip or a SATA expansion chip.

[0064] In a possible implementation, the pins of the first electrical connection component include a first transmit signal pin pair, a first receive signal pin pair and a first clock signal pin pair. The first transmit signal pin pair, the first receive signal pin pair and the first clock signal pin pair are electrically connected to the common terminal of the multiplexing module, and multiple groups of branch terminals of the multiplexing module are electrically connected to the transmit signal pin pair, the receive signal pin pair and the clock signal pin pair of multiple storage media respectively.

[0065] In a possible implementation, the multiplexing module is configured to simultaneously send the data received through the first electrical connection component to multiple storage media to implement backup storage of the data. The network device can read and write data to multiple storage media simultaneously through the first electrical connection component and the multiplexing module, which can not only perform dual-disk or multi-disk backup, but also perform dual-disk or multi-disk expansion.

[0066] In a possible implementation, the multiplexing module is configured to send the data received through the first electrical connection component to multiple storage media respectively in a time-division multiplexing manner to implement backup storage of the data.

[0067] In a possible implementation, the multiplexing module is configured to send the data received through the first electrical connection component to the first storage media. And after the first storage media is full of data, the data is sent to the second storage media. In this way, the storage capacity of the two storage media can be fully utilized, and the total storage capacity of the storage device can be improved.

[0068] In a possible implementation, the storage device further includes a single-pole double-throw switch group. The single-pole double-throw switch group is configured to electrically connect one of the two storage media to the first electrical connection component and switch the storage media electrically connected to the first electrical connection component. Among them, the single-pole double-throw switch group is used to electrically connect one storage media to the first electrical connection component and disconnect the other storage media from the first electrical connection component. The single-pole double-throw switch group can switch the storage media electrically connected to the first electrical connection component.

[0069] In a second aspect, the present disclosure provides a network device. The network device includes a main board and a second electrical connection component, and the second electrical connection component is electrically connected to the main board. The second electrical connection component is used to be electrically connected to the storage device, and the signal definition of the pins of the second electrical connection component conforms to the PCIe protocol, the SATA protocol, or the USB protocol. The network device is fixed to the storage device. Among them, the storage device can be the storage device described in any item of the first aspect. The network device can be a home network device.

[0070] In a possible implementation, the signal definition of the pins of the second electrical connection component conforms to the PCIe protocol, and the physical form follows the physical form of the USB electrical connection component.

[0071] In a possible implementation, the physical form of the second electrical connection component is the same as the physical form of the USB electrical connection component, and the pins of the second electrical connection component include a second receiving signal pin pair, a second transmitting signal pin pair, and a second reset pin.

[0072] Among them, the USB electrical connection component is a USB Type A, USB Type B, USB Type C, or micro USB electrical connection component. Both the second receiving signal pin pair and the second transmitting signal pin pair are differential signal pins and exist in pairs, and can be one pair, two pairs, or more pairs. The second receiving signal pin pair is used to dock with the first transmitting signal pin pair of the storage device, and the first transmitting signal pin pair and the second receiving signal pin pair are used to transmit the data stored in the storage media to the network device. The second transmitting signal pin pair is used to dock with the first receiving signal pin pair of the storage device, and the first receiving signal pin pair and the second transmitting signal pin pair are used to transmit the data of the network device to the storage media. The second reset pin is used to dock with the first reset pin of the storage device, and the second reset pin and the first reset pin are used to transmit a reset signal, and the reset signal is used to indicate the reset of the storage media.

[0073] In the technical solution provided by the present disclosure, on the one hand, by setting the physical form of the second electrical connection component to be the same as that of the USB electrical connection component, the size and cost of the second electrical connection component, as well as the size and cost of the first electrical connection component in the storage device, can be reduced. On the other hand, by defining the pins of the second electrical connection component in the USB physical form to conform to the PCIe protocol or the SATA protocol, there is no need to use a USB-to-PCIe interface chip or a USB-to-SATA interface chip.

[0074] In a possible implementation, the pins of the second electrical connection component further include a second clock signal pin pair. Among them, the second clock signal pin pair is a differential signal pin and exists in a paired form. The second clock signal pin pair is used to dock with the first clock signal pin pair of the storage device, and the first clock signal pin pair and the second clock signal pin pair are used to transmit clock signals.

[0075] In a possible implementation, the pins of the second electrical connection component further include a second presence detection pin. Among them, the second presence detection pin is used to dock with the first presence detection pin of the storage device, and the second presence detection pin and the first presence detection pin are used to detect whether the storage medium is present.

[0076] In a possible implementation, the pins of the second electrical connection component further include a second version number pin. Among them, the second version number pin is used to dock with the first version number pin of the storage device, and the first version number pin and the second version number pin are used to transmit the version number of the storage medium.

[0077] In a possible implementation, the second electrical connection component is used to receive an indication message, and the indication message is used to instruct the main board to perform a power-off protection operation on the storage device. Among them, the power-off protection operation includes stopping read and write operations on the storage device, etc.

[0078] In a possible implementation, the pins of the second electrical connection component further include a second power-off protection pin, and the indication message is that the second power-off protection pin switches from a high level state to a low level state, or from a low level state to a high level state. Among them, the second power-off protection pin is used to dock with the first power-off protection pin of the storage device.

[0079] In a possible implementation, the pins of the second electrical connection component further include a second light control pin, and the second light control pin is used to control the state of the indicator light of the storage device. The indicator light is used to indicate the working state of the storage device. Among them, the working state of the storage device includes one or more of an initialization working state, a normal working state, a state of performing a power-off protection operation, and a power-off state.

[0080] In a possible implementation, the network device has an indicator light, and the indicator light is used to indicate the working state of the storage device.

[0081] In a possible implementation, there are multiple second electrical connection components.

[0082] In a possible implementation, the network device further includes an adapter, and the adapter includes a third electrical connection component, a multiplexing module, and multiple fourth electrical connection components. The common end of the multiplexing module is electrically connected to the third electrical connection component, and multiple sets of branch ends of the multiplexing module are respectively electrically connected to the multiple fourth electrical connection components. The third electrical connection component is used to be electrically connected to the second electrical connection component of the network device, and the multiple fourth electrical connection components are used to be electrically connected to multiple storage devices. Among them, the network device can be electrically connected to multiple storage devices through the adapter, and can read and write data to / from the multiple storage devices to implement backup or expansion.

[0083] In a possible implementation, the network device further has a second mechanical connection structure, and the second mechanical connection structure is fixed to the storage device.

[0084] In a possible implementation, the second mechanical connection structure is a snap connection structure. Among them, when the second mechanical connection structure is a snap, a snap hole is provided on the storage device. When the second mechanical connection structure is a snap hole, a snap is provided on the storage device. The snap extends into the snap hole to achieve snap connection.

[0085] In a possible implementation, the second mechanical connection structure is a screw hole, which is used to fix the storage device with screws.

[0086] In a possible implementation, the second mechanical connection structure is a guide groove or a gourd hole / nail, which is used to fix the storage device with the corresponding guide groove or gourd nail / hole.

[0087] In a possible implementation, the network device is a fiber to the room (FTTR) device, an optical network terminal (ONT) device, or a router. Among them, the FTTR device includes a main FTTR device and a slave FTTR device.

[0088] In a third aspect, the present disclosure provides a network device assembly. The network device assembly includes the storage device of the first aspect and / or the network device of the second aspect. Among them, the network device assembly can also be referred to as a home network device assembly. Description of the Drawings

[0089] Figure 1 is a schematic diagram of a network device assembly provided by an embodiment of the present disclosure;

[0090] Figure 2 It is a cross-sectional view of a network device component provided by an embodiment of the present disclosure;

[0091] Figure 3 It is a schematic diagram of a storage device provided by an embodiment of the present disclosure;

[0092] Figure 4 It is a schematic diagram of the bottom of a storage device provided by an embodiment of the present disclosure;

[0093] Figure 5 It is an exploded view of a storage device provided by an embodiment of the present disclosure;

[0094] Figure 6 It is a schematic diagram of the interior of a storage device provided by an embodiment of the present disclosure;

[0095] Figure 7 It is a schematic diagram of the interior of another storage device provided by an embodiment of the present disclosure;

[0096] Figure 8 It is a schematic diagram of the position of a buckle provided by an embodiment of the present disclosure;

[0097] Figure 9 It is a schematic diagram of electrical components inside a storage device provided by an embodiment of the present disclosure;

[0098] Figure 10 It is a schematic diagram of electrical components inside another storage device provided by an embodiment of the present disclosure;

[0099] Figure 11 It is a schematic diagram of the pins of an electrical connector provided by an embodiment of the present disclosure;

[0100] Figure 12 It is the circuit diagram of the first storage device provided by an embodiment of the present disclosure;

[0101] Figure 13 It is the circuit diagram of the second storage device provided by an embodiment of the present disclosure;

[0102] Figure 14 It is the circuit diagram of the third storage device provided by an embodiment of the present disclosure;

[0103] Figure 15 It is the circuit diagram of the fourth storage device provided by an embodiment of the present disclosure;

[0104] Figure 16 It is the circuit diagram of the fifth storage device provided by an embodiment of the present disclosure;

[0105] Figure 17 It is the circuit diagram of the sixth storage device provided by an embodiment of the present disclosure;

[0106] Figure 18 It is a schematic diagram of the front of a network device provided by an embodiment of the present disclosure;

[0107] Figure 19 It is a schematic diagram of the back of a network device provided by an embodiment of the present disclosure;

[0108] Figure 20 It is a schematic diagram of the circuit part of a network device and a storage device provided by an embodiment of the present disclosure;

[0109] Figure 21 It is a schematic diagram of another storage device provided by an embodiment of the present disclosure;

[0110] Figure 22 It is a circuit diagram of another storage device provided by an embodiment of the present disclosure;

[0111] Figure 23 It is a schematic diagram of the circuit part of another network device and a storage device provided by an embodiment of the present disclosure;

[0112] Figure 24 It is a schematic diagram of an adapter provided by an embodiment of the present disclosure.

[0113] Legend Explanation

[0114] 1. Storage device;

[0115] 11. Housing, 111. Lower housing, 1111. Bottom wall, 1112. Electric connector perforation, 1113. First avoidance groove, 1114. Support plate, 112. Upper housing, 1121. Side wall, 11211. Opening, 11212. Heat dissipation hole, 113. First screw;

[0116] 12. Circuit board, 121. Second avoidance groove;

[0117] 13. Storage medium;

[0118] 14. Electric connector, 140. First lamp control pin, 141. First power-off protection pin, 142. First pair of signal transmission pins, 143. First pair of signal reception pins, 144. First pair of clock signal pins, 145. First reset pin, 146. First in-position detection pin, 147. First version number pin, 148. First power supply pin, 149. First ground pin;

[0119] 15. First mechanical connection structure, 151. Pressing part, 152. Hook part, 153. Protrusion;

[0120] 16. Trigger;

[0121] 17. Pull-up resistor;

[0122] 18. Pull-down resistor;

[0123] 19. Power management chip;

[0124] 20. PCIe bridge chip;

[0125] 21. Single-pole double-throw switch group, 211. Single-pole double-throw switch;

[0126] 22. Connector;

[0127] 23. Radiator;

[0128] 24. Second screw;

[0129] 25. Button;

[0130] 26. Indicator light;

[0131] 2. Network device, 200. Main board, 201. Electrical interface, 2010. Second light control pin, 2011. Second power-off protection pin, 2012. Second received signal pin pair, 2013. Second transmitted signal pin pair, 2014. Second clock signal pin pair, 2015. Second reset pin, 2016. Second presence detection pin, 2017. Second version number pin, 2018. Second power supply pin, 2019. Second ground pin;

[0132] 202. Second mechanical connection structure;

[0133] 203. Adapter, 2031. Third electrical connection component, 2032. Fourth electrical connection component. Detailed implementation manner

[0134] Currently, some network devices can be externally connected to storage devices to implement a simple network-attached storage (NAS) function. The user terminal can communicate with the storage device through the network device, so that the user can send data such as photos and videos to the storage device for storage and can remotely access these data. Among them, the network device can be a home network device.

[0135] Among them, network devices generally include fiber to the room (FTTR) devices, optical network terminal (ONT) devices, and routers. The FTTR device includes a main FTTR device and a slave FTTR device.

[0136] In the related art, a solid-state disk / solid-state drive (SSD) is generally used as the storage medium of a storage device. An electrical connection and a mechanical connection are achieved between the storage device and the network device through a universal serial bus (USB) adapter cable. A capacitor is provided inside the storage device, and the power-off protection function is achieved through the energy storage of the capacitor.

[0137] However, the above technical solutions have at least the following technical problems.

[0138] First, the electrical connection and the mechanical connection between the storage device and the network device are achieved through a USB adapter cable, and the connection stability is poor, and the integrity of the storage device and the network device is poor. Especially in the scenario where the network device is mounted on the wall, it is very difficult to fix the storage device.

[0139] Second, the volume of the capacitor is large, so that the volume of the storage device is large, and the miniaturization of the storage device cannot be achieved.

[0140] Third, SSD generally conforms to the peripheral component interconnect express (PCIe) protocol, while the USB adapter cable conforms to the USB protocol. Therefore, a USB-to-PCIe interface chip needs to be added inside the storage device, which increases the cost of the storage device. Moreover, limited by the transmission rate of the USB adapter cable, the data transmission rate between the storage device and the network device is reduced, resulting in a reduction in the read / write rate of the SSD.

[0141] In view of the above technical problems, an embodiment of the present disclosure provides a storage device 1. The storage device 1 can solve at least one of the above multiple technical problems. Next, an exemplary description of the storage device 1 provided by the embodiment of the present disclosure is given.

[0142] As Figures 1 - 5 shown, the storage device 1 includes a housing 11, a circuit board 12, a storage medium 13, an electrical connector 14, and a first mechanical connection structure 15. The circuit board 12 is fixed inside the housing 11, and the storage medium 13 and the electrical connector 14 are located on the circuit board 12 and are electrically connected through the circuit board 12. A part of the electrical connector 14 extends out of the housing 11, and the electrical connector 14 is used to dock with the network device 2. The first mechanical connection structure 15 is connected to the housing 11, and the first mechanical connection structure 15 is used to lock with the network device 2.

[0143] Among them, the housing 11 is a structural member of the storage device 1, and is used to support and protect each component inside the storage device 1. The circuit board 12 is used to carry the electrical components inside the storage device 1 and to achieve the electrical connection between the electrical components.

[0144] The storage medium 13 can be a hard disk drive (HDD) or an SSD. The SSD has advantages such as low cost, fast read and write speed (generally above 100MB / S), and large capacity. The storage capacity of the storage medium 13 is 256GB, 512GB, 1TB, 2TB, etc. In some examples, such as Figure 5 shown, the storage device 1 further includes a connector 22. The connector 22 is fixed to the circuit board 12. The storage medium 13 is docked with the connector 22, and the storage medium 13 is electrically connected to the circuit board 12 through the connector 22. Exemplarily, the connector 22 is an M.2 connector. Among them, the interface protocol of M.2 can be the PCIe protocol or the serial advanced technology attachment (SATA) protocol. In other examples, the storage medium 13 has a USB interface, and the connector 22 is a USB connector. In some examples, such as Figure 5 shown, the storage medium 13 is locked to the circuit board 12 by a second screw 24.

[0145] The electrical connector 14 is used to achieve the electrical connection between the storage medium 13 and the network device 2, to transmit data between the storage medium 13 and the network device 2, and to carry the electric energy transmitted from the network device 2 to the storage medium 13.

[0146] The first mechanical connection structure 15 can also be referred to as the first locking structure.

[0147] In the technical solution provided by the embodiments of the present disclosure, a circuit board 12 is disposed inside the housing 11 of the storage device 1. The storage medium 13 and the electrical connector 14 are electrically connected through the circuit board 12, and a part of the electrical connector 14 extends out of the housing 11. In this way, the storage device 1 can be plugged into the electrical interface 201 of the network device 2 through the electrical connector 14 without using a USB adapter cable. This improves the integrity after the connection between the storage device 1 and the network device 2. Moreover, the storage device 1 further has a first mechanical connection structure 15. The first mechanical connection structure 15 is connected to the housing 11 and can be locked with the network device 2. Thus, the mechanical connection between the storage device 1 and the network device 2 is realized, the connection stability between the storage device 1 and the network device 2 is improved, and the possibility of accidental collision and detachment of the storage device 1 is reduced.

[0148] It can be understood that through the above settings, the storage device 1 and the network device 2 provided by the embodiments of the present disclosure can be stably connected together. In the scenario where the network device 2 is mounted on the wall, the storage device 1 and the network device 2 can be mounted on the wall together.

[0149] It should be noted that the electrical connector 14 provided in the embodiments of the present disclosure may not protrude from the housing 11, but may be embedded in the housing 11 and docked with the network device 2 through a cable. Additionally, the electrical connector 14 may be replaced with an electrical interface. In some examples, the electrical interface of the storage device 1 is for the electrical connector of the network device 2 to be inserted. In other examples, the electrical interface is for docking with the network device 2 through a cable.

[0150] The above-mentioned electrical connector 14 and electrical interface may be collectively referred to as the first electrical connection component. That is, the storage device 1 includes the first electrical connection component, and the first electrical connection component is the electrical connector 14 or the electrical interface. The first electrical connection component is used to electrically connect with the network device 2 through a cable or directly. Among them, when the first electrical connection component is a USB connector (connector or interface), the cable is a USB cable. When the first electrical connection component is a SATA connector, the electrical connection cable is a SATA cable.

[0151] In the following, taking the first electrical connection component as the electrical connector 14 as an example, the relevant features of the electrical connector 14 will be described. It can be understood that the relevant descriptions of the electrical connector 14 also apply to the case where the first electrical connection component is an electrical interface.

[0152] In some examples, the storage device 1 provided in the embodiments of the present disclosure does not include the first mechanical connection structure 15. That is, the storage device 1 relies on the electrical connector 14 to be plugged into the network device 2, and the electrical connector 14 realizes the electrical connection and mechanical connection between the storage device 1 and the network device 2. Or, the first electrical connection component is an electrical interface, and the electrical connector of the network device 2 directly extends into the electrical interface of the storage device 1 to realize the electrical connection and mechanical connection between the storage device 1 and the network device 2. Or, the storage device 1 is fixed to the network device 2 by bonding or magnetic attraction. Or, a receiving groove is provided on the network device 2, and the storage device 1 is limited in the receiving groove of the network device 2.

[0153] The embodiments of the present disclosure do not limit the type, quantity, arrangement manner, etc. of the first mechanical connection structure 15. Hereinafter, an exemplary description will be given.

[0154] In some examples, as Figures 3 - 5 shown, the first mechanical connection structure 15 is a buckle. The first mechanical connection structure 15 and the electrical connector 14 protrude relative to the bottom wall 1111 of the housing 11. The first mechanical connection structure 15 is used to be snap-connected with the network device 2. Of course, the first mechanical connection structure 15 may also be other structures such as a screw or a screw hole. Or, the first mechanical connection structure 15 is a guide groove or a calabash nail / hole, which is used to be fixed with the corresponding guide groove or calabash hole / nail of the network device 2.

[0155] In some examples, as Figure 4As shown, the buckle includes a pressing portion 151 and a hook portion 152. The pressing portion 151 is for a user to press, and the hook portion 152 is for clamping with the network device 2.

[0156] In some examples, as Figure 4 shown, the storage device 1 includes two first mechanical connection structures 15. The two first mechanical connection structures 15 are located at both ends of the housing 11.

[0157] In some examples, as Figure 4 shown, the housing 11 includes a lower housing 111 and an upper housing 112, and the two first mechanical connection structures 15 are connected to the upper housing 112. Among them, as Figure 5 shown, the lower housing 111 and the upper housing 112 are fixed together by a plurality of first screws 113.

[0158] In some examples, as Figure 5 shown, to improve the heat dissipation capacity of the storage device 1, the storage device 1 further includes a radiator 23, and the radiator 23 is in contact with the storage medium 13. In addition, heat dissipation holes 1120 are further provided on the side wall 1121 of the upper housing 112.

[0159] To implement the power-off protection function of the storage device 1, in some examples, a capacitor is provided inside the storage device. The capacitor can store electric energy and can supply power to the storage device 1 briefly when the storage device 1 is unplugged to implement the power-off protection function.

[0160] In addition to the technical solution of using a capacitor to implement the power-off protection function, the embodiments of the present disclosure provide a new power-off protection mechanism. This power-off protection mechanism can replace the use of a capacitor or can be used together with a capacitor. The embodiments of the present disclosure do not limit this. Next, an exemplary description of this new power-off protection mechanism will be given.

[0161] In some examples, as Figure 6 and Figure 7 shown, the storage device 1 further includes a trigger 16. The trigger 16 is located on the circuit board 12 and is electrically connected to the electrical connector 14 through the circuit board 12. The trigger 16 is located on the unlocking path of the first mechanical connection structure 15. During the unlocking process of the first mechanical connection structure 15, the first mechanical connection structure 15 is used to squeeze the trigger 16 so that the trigger 16 sends an indication message through the electrical connector 14.

[0162] Among them, the indication message is used to instruct the network device 2 to perform a power-off protection operation on the storage device 1. The power-off protection operation includes stopping the read and write operations on the storage medium 13, etc. The unlocking path refers to the movement path when the first mechanical connection structure 15 contacts and is fixed to the network device 2.

[0163] In the technical solution provided by the embodiments of the present disclosure, due to the existence of the first mechanical connection structure 15, before the user removes the storage device 1, the first mechanical connection structure 15 must be operated first to release the locked state between the storage device 1 and the network device 2. During the operation of the first mechanical connection structure 15, the first mechanical connection structure 15 moves along the unlocking path, and the trigger 16 is located on the unlocking path of the first mechanical connection structure 15. Therefore, the first mechanical connection structure 15 will squeeze the trigger 16. After the trigger 16 is squeezed, an indication message is sent to the network device 2 through the electrical connector 14, and this indication message is used to instruct the network device 2 to perform a power-off protection operation on the storage device 1. In this way, after the user completes the unlocking, the network device 2 has completed the power-off protection operation, and then when the storage device 1 is removed, the storage medium 13 will not be damaged.

[0164] It can be seen that in the embodiments of the present disclosure, by arranging the trigger 16 on the unlocking path of the first mechanical connection structure 15, when the user removes the storage device 1 (or during the process of releasing the locked state between the storage device 1 and the network device 2), the network device 2 will be automatically triggered to perform a power-off protection operation. This triggering method does not require setting a capacitor, has high reliability, and low cost.

[0165] In some examples, such as Figure 6 and Figure 7 shown, the first mechanical connection structure 15 is a buckle. When the user presses the buckle, the buckle will squeeze the trigger 16, thereby automatically realizing the power-off protection function of the storage medium 13.

[0166] In some examples, such as Figure 8 shown, the side wall 1121 of the housing 11 has an opening 11121, and the trigger 16 is opposite to the opening 11121. The buckle is located at the opening 11121, and when the buckle is pressed, the buckle squeezes the trigger 16.

[0167] In some examples, such as Figures 6 - 8 shown, one end of the buckle is connected to the hole wall of the opening 11121, and the other end protrudes relative to the bottom wall 1111 of the housing 11. Among them, the opening 11121 provides a space for the buckle to move. In some examples, such as Figure 5 shown, the lower housing 111 is provided with a first avoidance groove 1113 corresponding to the position of the opening 11121, and the first avoidance groove 1113 is used to prevent interference between the lower housing 111 and the buckle. The buckle and the housing 11 can be integrally formed.

[0168] In some other examples, the buckle can also be slidably connected to the opening 11121, and the sliding direction is the pressing direction of the first mechanical connection structure 15. The storage device 1 further includes an elastic member (such as a spring or a torsion spring, etc.), and the elastic member abuts against the buckle and drives the buckle to be in a locked state. When the user presses the buckle, the elastic force of the elastic member needs to be overcome.

[0169] In some examples, such as Figure 6 shown, the buckle has a protrusion 153, and the protrusion 153 faces the trigger member 16 and is used to contact the trigger member 16. By providing the protrusion 153, the buckle does not need to have a large pressing stroke and can also squeeze the trigger member 16.

[0170] In some examples, such as Figure 9 shown, the trigger member 16 protrudes towards the buckle relative to the edge of the circuit board 12. In this way, it is possible to avoid interference between the buckle and the circuit board 12 during the pressing process, so that the buckle cannot squeeze the trigger member 16.

[0171] In some examples, such as Figure 9 shown, the circuit board 12 has a second avoidance groove 121, and the notch of the second avoidance groove 121 faces the buckle. The trigger member 16 protrudes towards the buckle relative to the bottom of the second avoidance groove 121.

[0172] The embodiments of the present disclosure do not limit the form of the trigger member 16. In some examples, such as Figure 9 shown, the trigger member 16 is a button. Then, when the user presses the buckle, the buckle presses the button. When the user releases the buckle, the button automatically pops up.

[0173] The embodiments of the present disclosure do not limit the position of the trigger member 16. In some examples, such as Figure 10 shown, the trigger member 16 is located on the side of the circuit board 12 facing the bottom wall 1111 of the housing 11.

[0174] Among them, when the user presses the buckle, the moving strokes of each part of the buckle are different. Specifically, the closer to the end where the buckle is connected to the hole wall of the opening 11121, the smaller the moving stroke. Therefore, by arranging the trigger member 16 on the side of the circuit board 12 facing the bottom wall 1111, compared with arranging the trigger member 16 on the side of the circuit board 12 facing away from the bottom wall 1111, the moving stroke of the part of the buckle opposite to the trigger member 16 is larger, improving the reliability of the buckle squeezing the trigger member 16.

[0175] It should be noted that in addition to triggering the trigger member 16 by the first mechanical connection structure 15, in some other examples, such as Figure 21As shown, the storage device 1 further includes a button 25, and the trigger 16 is located on the pressing path of the button 25. In this way, when the button 25 is pressed, the button 25 contacts the trigger 16 and triggers the trigger 16. For this implementation, when the user removes the storage device 1, the user needs to first press the button 25 and then release the fixed connection state between the first mechanical connection structure 15 and the network device, so as to reduce the possibility of damage to the storage device 1.

[0176] After the user presses the button 25, the network device 2 receives an indication message and performs a power-off protection operation on the storage device 1. Then, when the user removes the storage device 1, the storage device 1 will not be damaged. Or, if the user presses the button 25 but does not remove the storage device 1, the network device 2 can perform a power-off process on the storage device 1. When the user wants to use the storage device 1 later, the user presses the storage device 1 again, and then the network device 2 powers on the storage device 1 again.

[0177] The present disclosure embodiment does not limit the setting position of the button 25. In some examples, as Figure 21 shown, the button 25 is provided on the top wall of the housing 11.

[0178] It should be noted that the method of triggering the trigger 16 by the first mechanical connection structure 15 and the method of triggering the trigger 16 by the button 25 can also exist simultaneously. That is, the trigger 16 can be triggered by both the first mechanical connection structure 15 and the button 25.

[0179] Next, an exemplary implementation of the circuit part for the trigger 16 to send an indication message through the electrical connector 14 will be described.

[0180] In some examples, as Figure 12 shown, the storage device 1 further includes a pull-up resistor 17. The electrical connector 14 has a first power-off protection pin 141. One end of the pull-up resistor 17 is electrically connected to the power supply, and the other end is electrically connected to the first power-off protection pin 141. The first end of the trigger 16 is grounded, and the second end is electrically connected to the first power-off protection pin 141.

[0181] The trigger 16 is configured to disconnect the first end and the second end in a non-pressed state. Then, under the action of the power supply, the first power-off protection pin 141 is in a high-level state. In a pressed state, the first end and the second end are connected, so that the first power-off protection pin 141 is grounded and the first power-off protection pin 141 is in a low-level state. Among them, the indication message is that the first power-off protection pin 141 is in a low-level state. That is, when the network device 2 detects that the first power-off protection pin 141 is in a low-level state, it is equivalent to receiving an indication message, and then a power-off protection operation will be performed subsequently.

[0182] In some examples, such as Figure 12 shown, the pull-up resistor 17 is directly electrically connected to the first power supply pin 148 of the electrical connector 14.

[0183] In other examples, such as Figure 14 shown, the pull-up resistor 17 is electrically connected to the output circuit of the power management chip 19. Then, the electric energy input through the first power supply pin 148 of the network device 2 is first input to the power management chip 19, and after being adjusted by the power management chip 19, it is output to the storage medium 13 and the pull-up resistor 17.

[0184] In other examples, such as Figure 13 shown, the storage device 1 further includes a pull-down resistor 18. The electrical connector 14 has a first power-down protection pin 141. One end of the pull-down resistor 18 is grounded, and the other end is electrically connected to the first power-down protection pin 141. The first end of the trigger 16 is electrically connected to the power supply, and the second end is electrically connected to the first power-down protection pin 141.

[0185] The trigger 16 is configured to disconnect the first end and the second end in a non-pressed state, so that the first power-down protection pin 141 is grounded and the first power-down protection pin 141 is in a low level state. In a pressed state, the first end and the second end are connected, so that the first power-down protection pin 141 is electrically connected to the power supply and the first power-down protection pin 141 is in a high level state. Among them, for this implementation manner, the indication message is that the first power-down protection pin 141 is in a high level state. That is, when the network device 2 detects that the first power-down protection pin 141 is in a high level state, it is equivalent to receiving the indication message, and then the power-down protection operation will be performed. The first end of the trigger 16 can be directly electrically connected to the first power supply pin 148 of the electrical connector 14, or can be electrically connected to the output circuit of the power management chip 19.

[0186] In some examples, such as Figure 21 shown, the storage device 1 further includes an indicator light 26, and the indicator light 26 is used to indicate the working state of the storage device 1. Among them, the working state of the storage device 1 includes one or more of an initialization working state, a normal working state, a state of performing a power-down protection operation, and a power-off state.

[0187] For example, after the user triggers the trigger 16, the network device 2 performs a power-down protection operation on the storage device 1 and controls the indicator light 26 to enter the first state. After the power-down protection operation is completed, the network device 2 controls the indicator light 26 to enter the second state. Among them, the first state and the second state can be any two different states. For example, the first state is a flashing state and the second state is a constantly off state. Then, when the user presses the button 25 and observes that the indicator light 26 switches from the flashing state to the constantly off state, it means that the power-down protection operation is completed, and then the user removes the storage device 1.

[0188] In some other examples, when the storage device 1 is just powered on and during the initialization process, the indicator light 26 enters the third state. When the storage device 1 is operating normally, the indicator light 26 enters the fourth state.

[0189] In some examples, the third state is the same as the first state, both being the flashing state, the second state is the always-off state, and the fourth state is the always-on state. Of course, the above first state, second state, third state, and fourth state can also take other forms, as long as they can be observed and distinguished by the user.

[0190] Next, an exemplary description of the related circuit of the indicator light 26 will be given. In some examples, as Figure 22 and Figure 23 shown, the first electrical connection component has a first lamp control pin 140. One end of the indicator light 26 is electrically connected to the power supply, and the other end is electrically connected to the first lamp control pin 140. The indicator light 26 receives a message for indicating the state of the indicator light 26 through the first lamp control pin 140. Among them, the power supply can be the power management chip 19.

[0191] Exemplarily, when the network device 2 needs to control the indicator light 26 to be always on, the network device 2 places the first lamp control pin 140 at a low potential. Since the power supply is at a high potential, the circuit where the indicator light 26 is located is turned on, and the indicator light 26 emits light. When the network device 2 needs to control the indicator light 26 to be always off, the network device 2 places the first lamp control pin 140 at a high potential, then both sides of the indicator light 26 are at a high potential, and the indicator light 26 goes out. When the network device 2 needs to control the indicator light 26 to flash, the network device 2 continuously switches the first lamp control pin 140 between a low potential and a high potential.

[0192] As mentioned above, in the related art, the storage device is connected to the network device through a USB cable, and then a USB to PCIe interface chip needs to be added inside the storage device. This not only increases the cost of the storage device but also reduces the read and write speed of the storage device.

[0193] To solve the above technical problems, in the embodiments of the present disclosure, the signal definitions of the pins of the electrical connector 14 conform to the PCIe protocol. In this way, a USB to PCIe interface chip does not need to be added inside the storage device 1, reducing the cost. And, the transmission rate of the PCIe protocol is relatively high, making the read and write speed of the storage device relatively high. Next, an exemplary description of the implementation manner in which the signal definitions of the pins of the electrical connector 14 conform to the PCIe protocol will be given.

[0194] In some examples, the electrical connector 14 is a gold finger connector, and a Mini PCIe interface is provided on the network device 2. The gold finger connector is used to be inserted into the Mini PCIe interface. Among them, since the signal definition of the pins of the Mini PCIe interface originally conforms to the PCIe protocol, the gold finger connector can adopt a standard connector that conforms to the PCIe protocol.

[0195] In other examples, the electrical connector 14 is a double-edge connector.

[0196] In other examples, as Figure 11 shown, the physical form of the electrical connector 14 is set to be the same as that of the USB Type-C connector. In this way, the size and cost of the electrical connector 14 can be reduced. However, since the signal definition of the pins of the standard USB Type-C connector does not conform to the PCIe protocol. Therefore, in the embodiments of the present disclosure, the pins of the electrical connector 14 with the physical form of the USB Type-C connector are redefined. Below, an exemplary description will be given.

[0197] In some examples, as Figures 11 - 14 shown, the pins of the electrical connector 14 are set to include a first pair of transmit signal pins 142, a first pair of receive signal pins 143, and a first pair of clock signal pins 144.

[0198] Among them, the first pair of transmit signal pins 142, the first pair of receive signal pins 143, and the first pair of clock signal pins 144 are all differential signal pins and exist in pairs. The first pair of transmit signal pins 142 is used to transmit the data in the storage medium 13 to the network device 2. The first pair of receive signal pins 143 is used to transmit the data of the network device 2 to the storage medium 13. The first pair of clock signal pins 144 is used to transmit the clock signal.

[0199] In some examples, as Figures 11 - 14 shown, the pins of the electrical connector 14 further include a first reset pin 145. The first reset pin 145 is used to transmit a reset signal, and the reset signal is used to indicate the reset of the storage medium 13. For example, when the storage medium 13 has a fault, the network device 2 can send a reset signal to the storage medium 13 through the first reset pin 145 so that the storage medium 13 returns to normal.

[0200] In some examples, as Figures 11 - 14 shown, the pins of the electrical connector 14 further include a first presence detection pin 146, and the network device 2 is used to detect whether the storage medium 13 is present through the first presence detection pin 146.

[0201] In some examples, as Figures 11 - 14As shown, the pins of the electrical connector 14 further include a first version number pin 147, and the first version number pin 147 is used to transmit the version number information of the storage medium 13.

[0202] In addition, as Figures 11 - 14 shown, the pins of the electrical connector 14 further include a first power supply pin 148, and the first power supply pin 148 is used to supply power to the storage medium 13. The supply voltage of the first power supply pin 148 can be 3.3V, 5V, 12V, etc., and there can be multiple first power supply pins 148.

[0203] In some examples, as Figure 12 and Figure 13 shown, multiple first power supply pins 148 directly supply power to the storage medium 13. In other examples, as Figure 14 shown, multiple first power supply pins 148 are electrically connected to the power management chip 19, and the power management chip 19 supplies power to the storage medium 13.

[0204] As Figures 11 - 14 shown, the electrical connector 14 further includes a first ground pin 149, and the first ground pin 149 is used for signal shielding and for providing a reference ground. In some examples, there is at least one first ground pin 149 on both sides of the first transmit signal pin pair 142, the first receive signal pin pair 143, and the first clock signal pin pair 144.

[0205] It should be noted that the pins of the standard USB Type-C connector do not include a clock signal pin pair, a reset pin, a presence detection pin, and a version number pin. By redefining the pins of the USB Type-C connector in the embodiments of the present disclosure, on the premise that the physical form of the USB Type-C connector remains unchanged, the signal definitions of the pins of the USB Type-C connector are changed to conform to the PCIe protocol. Thus, the electrical connector 14 has both a smaller size and a higher transmission rate.

[0206] In some examples, for scenarios where power-off protection can be achieved, as Figures 11 - 14 shown, the pins of the electrical connector 14 further include a first power-off protection pin 141.

[0207] In addition, it should be noted that the standard USB Type-C connector can be inserted blindly, that is, the standard USB Type-C connector does not distinguish between the front and back. However, since the signal definitions of the pins of the electrical connector 14 provided in the embodiments of the present disclosure are changed, the electrical connector 14 no longer has the ability to be inserted blindly. In order to prevent the user from inserting the electrical connector 14 into the electrical interface 201 of the network device 2 in the wrong way, the embodiments of the present disclosure are configured such that the electrical connector 14 can only be inserted into the electrical interface 201 of the network device 2 in one posture.

[0208] For example, as Figure 4 shown, the projections of the two first mechanical connection structures 15 and the electrical connector 14 on the bottom wall 1111 are non-centrosymmetric figures. Further, the two first mechanical connection structures 15 and the electrical connector 14 are arranged in a triangular pattern, so that the connection stability between the storage device 1 and the network device 2 can be further improved.

[0209] It should be added that the physical form of the first electrical connection component (such as the electrical connector 14) can also be the same as that of other USB electrical connection components (connectors or interfaces) such as USB Type A, USB Type B, USB Type C, or micro USB.

[0210] In some examples, when the signal definition of the pins of the first electrical connection component (such as the electrical connector 14) conforms to the SATA protocol, the pins of the first electrical connection component include the first transmission signal pin pair 142, the first reception signal pin pair 143, and the first reset pin 145, and may not include the first clock signal pin pair 144.

[0211] In some examples, when the signal definition of the pins of the first electrical connection component (such as the electrical connector 14) conforms to the USB protocol, the pins of the first electrical connection component include the first transmission signal pin pair 142 and the first reception signal pin pair 143, and may not include the first reset pin 145 and the first clock signal pin pair 144. Among them, the first transmission signal pin pair 142 and the first reception signal pin pair 143 can be one pair (such as the USB3.0 protocol), or two pairs (such as the USB3.2 protocol) or more pairs.

[0212] The embodiments of the present disclosure do not limit the number of storage media 13 included in the storage device 1. In some examples, the storage device 1 includes one storage medium 13, and the storage medium 13 can be arranged on either side of the circuit board 12. In other examples, as Figure 5 , Figure 7 and Figure 10 shown, the storage device 1 includes two storage media 13. In other examples, the storage device 1 includes more than two storage media 13.

[0213] The embodiments of the present disclosure do not limit the arrangement manner of the two storage media 13. In some examples, as Figure 5 , Figure 7 and Figure 10 shown, the two storage media 13 are respectively located on two sides of the circuit board 12. Of course, in other examples, the two storage media 13 can also be located on the same side of the circuit board 12.

[0214] In some examples, as Figure 10As shown, since both storage media 13 need to be locked to the circuit board 12 by the second screws 24, in order to avoid interference between the two second screws 24, the two storage media 13 are arranged staggeredly on the circuit board 12 so that the two second screws 24 are staggered.

[0215] In addition, in order to provide sufficient space between the circuit board 12 and the lower housing 111 to accommodate the storage media 13, in some examples, as Figure 5 shown, a plurality of support plates 1114 are provided on the lower housing 111. The plurality of support plates 1114 support the circuit board 12 and provide sufficient space between the circuit board 12 and the lower housing 111.

[0216] The technical solution provided by the embodiments of the present disclosure can improve the storage capacity of the storage device 1 by providing that the storage device 1 includes two storage media 13. Alternatively, it can improve the security of storing data in the storage device 1. For example, the two storage media 13 are mutually primary and backup, so that the data is stored in the two storage media 13 in a backup manner. When one storage media 13 is damaged, the other storage media 13 still stores the complete data, greatly reducing the situation of data loss.

[0217] Of course, the above two effects can exist simultaneously. For example, users can store some important data in the two storage media 13 according to their own needs, and store some unimportant data in any one of the storage media 13. Among them, the user can interact with the network device 2 through the user terminal to control the data storage mode.

[0218] Next, an exemplary description will be given of the connection manner between the two storage media 13 and the electrical connector 14.

[0219] (1) In some examples, the electrical connector 14 has two pin groups, and the two pin groups are electrically connected to the two storage media 13 respectively.

[0220] The embodiments of the present disclosure do not limit the setting positions of the above two pin groups. In some examples, if an electrical connector 14 has a sufficient number of pins (for example, in the case where the electrical connector 14 is a gold finger connector or a double-edge connector), the two pin groups can be provided on the same electrical connector 14, and the storage device 1 only needs to have one electrical connector 14.

[0221] In other examples, if an electrical connector 14 has insufficient number of pins (for example, in the case where the physical form of the electrical connector 14 is a USB Type-C connector), the two pin groups can be provided on two different electrical connectors 14, and the storage device 1 needs to have two electrical connectors 14. This implementation can also be described as that the storage device 1 includes two electrical connectors 14, and the two electrical connectors 14 are electrically connected to the two storage media 13 respectively.

[0222] (2) In some examples, such as Figure 15 shown, the storage device 1 further includes a PCIe bridge chip 20. The common end of the PCIe bridge chip 20 is electrically connected to the electrical connector 14, and two groups (or more than two groups) of branch ends of the PCIe bridge chip 20 are respectively electrically connected to two (or more than two) storage media 13. Among them, the PCIe bridge chip 20 can connect the two storage media 13 to the network device 2 through the same group of pins of the electrical connector 14. And the PCIe bridge chip 20 can determine which storage media 13 to send the data of the network device 2 to.

[0223] It should be added that the above PCIe bridge chip 20 can also be replaced with a USB Hub chip or a SATA expansion chip. The PCIe bridge chip 20, the USB Hub chip and the SATA expansion chip can be collectively referred to as a multiplexing module. Below, taking the multiplexing module as the PCIe bridge chip 20 as an example, the functions of the multiplexing module will be exemplarily described.

[0224] The PCIe bridge chip 20 can have two working modes. In the first working mode, the PCIe bridge chip 20 sends the data received through the electrical connector 14 to any one of the storage media 13 for storage.

[0225] In the second working mode, the PCIe bridge chip 20 sends the data received through the electrical connector 14 to the two storage media 13 in a time-division multiplexing manner or a simultaneous sending manner. In this way, the two storage media 13 store the same data, realizing the backup storage of the data and improving the security of data storage.

[0226] In some examples, such as Figure 15 shown, the common end of the PCIe bridge chip 20 is electrically connected to the first transmission signal pin pair 142, the first reception signal pin pair 143 and the first clock signal pin pair 144. Two groups of branch ends of the PCIe bridge chip 20 are respectively electrically connected to the transmission signal pin pair, the reception signal pin pair and the clock signal pin pair of the two storage media 13.

[0227] In some examples, such as Figure 15 shown, the electrical connector 14 has two first reset pins 145, and the two first reset pins 145 are respectively electrically connected to the two storage media 13.

[0228] In some examples, such as Figure 15 shown, the electrical connector 14 has two first presence detection pins 146, and the two first presence detection pins 146 are respectively electrically connected to the two storage media 13. Of course, since it generally does not occur that one storage media 13 is present while the other storage media 13 is not present, the first presence detection pin 146 can also be one and be electrically connected to any one of the storage media 13.

[0229] In some examples, such as Figure 15 shown, since the version numbers of the two storage media 13 are generally the same, the first version number pin 147 can be one and is electrically connected to any one of the storage media 13. Of course, the first version number pin 147 can also be two and is respectively electrically connected to the two storage media 13.

[0230] In some examples, such as Figure 15 shown, there are multiple first power supply pins 148, which respectively supply power to the two storage media 13 and the PCIe bridge chip 20. Among them, in the Figure 15 shown circuit, the first power supply pins 148 are electrically connected to the storage media 13 and the PCIe bridge chip 20. In some other examples, the first power supply pins 148 can also be electrically connected to the power management chip 19, and the power management chip 19 supplies power to the two storage media 13 and the PCIe bridge chip 20.

[0231] (3) In some examples, such as Figure 16 and Figure 17 shown, the storage device 1 further includes a single-pole double-throw switch group 21. The single-pole double-throw switch group 21 is configured to electrically connect one of the two storage media 13 to the electrical connector 14 and be able to switch the storage media 13 electrically connected to the electrical connector 14. Among them, the single-pole double-throw switch group 21 includes multiple single-pole double-throw switches 211.

[0232] In some examples, such as Figure 16 and Figure 17 shown, the single-pole double-throw switch group 21 is used to electrically connect one storage media 13 to the electrical connector 14, and after the storage media 13 is full of data, then electrically connect the other storage media 13 to the electrical connector 14.

[0233] In some examples, such as Figure 16 and Figure 17 shown, the electrical connector 14 includes two first reset pins 145, and the two first reset pins 145 are respectively electrically connected to the two storage media 13.

[0234] In some examples, such as Figure 16 and Figure 17 shown, the electrical connector 14 includes two first presence detection pins 146, and the two first presence detection pins 146 are respectively electrically connected to the two storage media 13. Of course, since generally there will not be a situation where one storage media 13 is present while the other storage media 13 is not present, the first presence detection pin 146 can also be one and is electrically connected to any one of the storage media 13.

[0235] In some examples, such as Figure 16 and Figure 17As shown, since the version numbers of the two storage media 13 are generally the same, the first version number pin 147 can be one and is electrically connected to any one of the storage media 13. Of course, the first version number pin 147 can also be two and is respectively electrically connected to the two storage media 13.

[0236] In some examples, such as Figure 16 and Figure 17 shown, there are multiple first power supply pins 148, which respectively supply power to the two storage media 13 and the single-pole double-throw switch group 21. Among them, in the circuits shown in Figure 16 and Figure 17 the first power supply pin 148 is electrically connected to the storage media 13 and the single-pole double-throw switch group 21. In other examples, the first power supply pin 148 can also be electrically connected to the power management chip 19, and the power management chip 19 supplies power to the two storage media 13 and the single-pole double-throw switch group 21.

[0237] The embodiment of the present disclosure also provides a network device 2. As Figure 1 , Figure 2 , Figure 18 , Figure 19 and Figure 20 shown, the network device 2 includes a main board 200 and an electrical interface 201, and the electrical interface 201 is electrically connected to the main board 200. The electrical interface 201 is used to dock with the electrical connector 14 of the storage device 1, and the signal definition of the pins of the electrical interface 201 conforms to the PCIe protocol.

[0238] Among them, the network device 2 can be a home network device. The network device 2 is an FTTR device, an ONT device, an ONU device or a router. The FTTR device is a main FTTR device or a slave FTTR device.

[0239] The main board 200 includes a central processing unit (CPU), and the CPU is electrically connected to the pins of the electrical interface 201.

[0240] The technical solution provided by the embodiment of the present disclosure enables the data transmission rate between the storage device 1 and the network device 2 to be relatively high and the read / write rate of the storage device 1 to be relatively high by setting the signal definition of the electrical interface 201 of the network device 2 to conform to the PCIe protocol.

[0241] It should be noted that the electrical interface 201 can be directly docked with the electrical connector 14 of the storage device 1, or can be electrically connected to the storage device 1 through a cable. The electrical interface 201 can also be replaced by an electrical connector. In some examples, the electrical connector of the network device 2 is used to insert into the electrical interface of the storage device 1 to achieve electrical connection between the storage device 1 and the network device 2. In other examples, the electrical connector of the network device 2 is used to be electrically connected to the storage device 1 through a cable. Among them, the above electrical interface 201 or electrical interface can be collectively referred to as the second electrical connection component. That is, the network device 2 includes a second electrical connection component, the second electrical connection component is the electrical interface 201 or an electrical connector, and the second electrical connection component is used to be electrically connected to the storage device 1 through a cable or directly.

[0242] In addition, the signal definition of the pins of the electrical interface 201 can also conform to the USB protocol or the SATA protocol.

[0243] Next, taking the second electrical connection component as the electrical interface 201 as an example, a more detailed exemplary description of the second electrical connection component will be given. The following related descriptions regarding the second electrical connection component being the electrical interface 201 also apply to the case where the second electrical connection component is an electrical connector.

[0244] In some examples, as Figure 19 and Figure 20 shown, the physical form of the electrical interface 201 is the same as that of the USB Type-C interface, and the pins of the electrical interface 201 include a second receiving signal pin pair 2012, a second transmitting signal pin pair 2013, a second clock signal pin pair 2014, and a second reset pin 2015.

[0245] Among them, as Figure 20 shown, the second receiving signal pin pair 2012, the second transmitting signal pin pair 2013, and the second clock signal pin pair 2014 are all differential signal pins and are stored in pairs. The second receiving signal pin pair 2012 is used to dock with the first transmitting signal pin pair 142 of the storage device 1, and the first transmitting signal pin pair 142 and the second receiving signal pin pair 2012 are used to transmit the data stored in the storage medium 13 to the network device 2. The second transmitting signal pin pair 2013 is used to dock with the first receiving signal pin pair 143 of the storage device 1, and the first receiving signal pin pair 143 and the second transmitting signal pin pair 2013 are used to transmit the data of the network device 2 to the storage medium 13. The second clock signal pin pair 2014 is used to dock with the first clock signal pin pair 144 of the storage device 1, and the first clock signal pin pair 144 and the second clock signal pin pair 2014 are used to transmit the clock signal. The second reset pin 2015 is used to dock with the first reset pin 145 of the storage device 1, and the second reset pin 2015 and the first reset pin 145 are used to transmit the reset signal, and the reset signal is used to indicate the reset of the storage medium 13.

[0246] In one aspect, the technical solution provided by the embodiments of the present disclosure can reduce the size and cost of the electrical interface 201, as well as the size and cost of the electrical connector 14 in the storage device 1, by setting the physical form of the electrical interface 201 to be the same as that of the USB Type-C interface. On the other hand, by defining the pin of the electrical interface with the physical form of the USB Type-C interface to conform to the PCIe protocol, the transmission rate of the electrical interface 201 is increased compared with the original USB protocol, and the read / write rate of the storage medium 13 is also increased. Moreover, there is no need to use a USB-to-PCIe interface chip or a USB-to-SATA interface chip.

[0247] It should be added that the physical form of the second electrical connection component (such as the electrical interface 201) can also be the same as that of other USB electrical connection components (connectors or interfaces) such as USB Type A, USB Type B, USB Type C, or micro USB.

[0248] In some examples, when the signal definition of the pins of the second electrical connection component (such as the electrical interface 201) conforms to the SATA protocol, the pins of the second electrical connection component include a second pair of received signal pins 2012, a second pair of transmitted signal pins 2013, and a second reset pin 2015, and may not include a second pair of clock signal pins 2014.

[0249] In some examples, when the signal definition of the pins of the second electrical connection component (such as the electrical interface 201) conforms to the USB protocol, the pins of the second electrical connection component include a second pair of received signal pins 2012 and a second pair of transmitted signal pins 2013, and may not include a second pair of clock signal pins 2014 and a second reset pin 2015. Among them, the second pair of received signal pins 2012 and the second pair of transmitted signal pins 2013 can be one pair (such as the USB3.0 protocol), or two pairs (such as the USB3.2 protocol) or more pairs.

[0250] In some examples, as Figure 20 shown, the pins of the electrical interface 201 further include a second presence detection pin 2016. Among them, the second presence detection pin 2016 is used to dock with the first presence detection pin 146 of the storage device 1, and the second presence detection pin 2016 and the first presence detection pin 146 are used to detect whether the storage medium 13 is present.

[0251] In some examples, as Figure 20As shown, the pins of the electrical interface 201 further include a second version number pin 2017. The second version number pin 2017 is used to dock with the first version number pin 147 of the storage device 1, and the first version number pin 147 and the second version number pin 2017 are used to transmit the version number of the storage medium 13.

[0252] In some examples, the electrical interface 201 is used to receive an indication message, and the indication message is used to instruct the main board 200 to perform a power-off protection operation on the storage device 1. The power-off protection operation includes stopping read and write operations on the storage device 1 and the like.

[0253] In some examples, as Figure 20 shown, the pins of the electrical interface 201 further include a second power-off protection pin 2011, and the indication message is that the second power-off protection pin 2011 switches from a high level state to a low level state, or from a low level state to a high level state. The second power-off protection pin 2011 is used to dock with the first power-off protection pin 141 of the storage device 1. The level states of the first power-off protection pin 141 and the second power-off protection pin 2011 are the same.

[0254] In some examples, as Figure 23 shown, the pins of the second electrical connection component (such as the electrical interface 201) further include a second lamp control pin 2010. The second lamp control pin 2010 is used to control the state of the indicator lamp 26 of the storage device 1, and the indicator lamp 26 is used to indicate the working state of the storage device 1. The second lamp control pin 2010 is used to dock with the first lamp control pin 140. The working state of the storage device 1 includes one or more of an initialization state, a normal working state, a state of performing a power-off protection operation, and a power-off state.

[0255] In other examples, the network device 2 has an indicator lamp 26, and the indicator lamp 26 is electrically connected to the main board 200. The indicator lamp 26 is used to indicate the working state of the storage device 1.

[0256] In some examples, as Figure 20 shown, the pins of the electrical interface 201 further include a second power supply pin 2018 and a second ground pin 2019. The second power supply pin 2018 and the second ground pin 2019 are respectively used to dock with the first power supply pin 148 and the first ground pin 149 of the storage device 1.

[0257] The network device 2 provided by the embodiments of the present disclosure can be electrically connected to one storage device 1 or can be electrically connected to multiple storage devices 1. The embodiments of the present disclosure do not make specific limitations on this.

[0258] In some examples, the network device 2 has two or more electrical interfaces 201. Among them, in some examples, the multiple electrical interfaces 201 are used to dock with multiple electrical connectors 14 of a storage device 1. In other examples, the multiple electrical interfaces 201 are used to dock with the electrical connectors 14 of multiple storage devices 1.

[0259] In some examples, as Figure 24 shown, the network device 2 further includes an adapter 203. The adapter 203 includes a third electrical connection component 2031, a multiplexing module (such as a PCIe bridge chip 20, a USB Hub chip, or a SATA expansion chip), and multiple fourth electrical connection components 2032. The common end of the multiplexing module is electrically connected to the third electrical connection component 2031, and multiple sets of branch ends of the multiplexing module are respectively electrically connected to the multiple fourth electrical connection components 2032. The third electrical connection component 2031 is used to be electrically connected to the second electrical connection component of the network device 2, and the multiple fourth electrical connection components 2032 are used to be electrically connected to multiple storage devices 1.

[0260] Among them, the adapter 203 is used to convert one second electrical connection component of the network device 2 externally into multiple fourth electrical connection components 2032, so that the network device 2 can dock with a larger number of storage devices 1. The third electrical connection component 2031 and the fourth electrical connection components 2032 can be electrical connectors or electrical interfaces. Exemplarily, as Figure 24 shown, the third electrical connection component 2031 is an electrical connector, and the fourth electrical connection components 2032 are electrical interfaces.

[0261] In some examples, if the electrical connector 14 is a gold finger connector, then the electrical interface 201 is a PCIe interface.

[0262] In some examples, if the electrical connector 14 is a double-edge connector, then the electrical interface 201 is also a double-edge connector.

[0263] In some examples, as Figure 19 shown, the network device 2 further has a second mechanical connection structure 202. The second mechanical connection structure 202 is used to cooperate and lock with the first mechanical connection structure 15 of the storage device 1. Among them, the second mechanical connection structure 202 can also be called a second locking structure.

[0264] In some examples, as Figure 19 shown, the second mechanical connection structure 202 is a card interface.

[0265] In other examples, if the first mechanical connection structure 15 is a screw, then the second mechanical connection structure 202 is a screw hole.

[0266] The embodiments of the present disclosure do not limit the positions where the electrical interface 201 and the second mechanical connection structure 202 are provided. Exemplarily, the electrical interface 201 and the second mechanical connection structure 202 are located at the top, back (as Figure 1 and Figure 19 shown) or side of the network device 2, etc. That is, the storage device 1 can be installed at the top, back or side of the network device 2.

[0267] The embodiments of the present disclosure also provide a network device component. As Figure 1 shown, the network device component includes the above-mentioned storage device 1, and / or, the above-mentioned network device 2. Among them, the network device component can also become a home network device component.

[0268] In some examples, the electrical connector 14 of the storage device 1 is docked with the electrical interface 201 of the network device 2.

[0269] In some examples, the first mechanical connection structure 15 of the storage device 1 cooperates with the second mechanical connection structure 202 of the network device 2 for locking.

[0270] The embodiments of the present disclosure also provide an adapter 203. For the relevant content of the adapter 203, please refer to the foregoing, and details are not described herein again.

[0271] The terms used in the embodiments of the present disclosure are only used to explain the embodiments of the present disclosure, rather than to limit the present disclosure. Unless otherwise defined, the technical terms or scientific terms used in the embodiments of the present disclosure should be the ordinary meanings understood by those of ordinary skill in the art to which the present disclosure belongs. The "first", "second" and similar terms used in the specification and claims of the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, the terms such as "a" or "one" do not indicate a quantity limitation, but indicate that there is at least one. The terms such as "including" or "comprising" mean that the elements or objects appearing before "including" or "comprising" cover the elements or objects listed after "including" or "comprising" and their equivalents, and do not exclude other elements or objects. The terms such as "upper", "lower", "left", "right" are only used to represent relative position relationships. When the absolute position of the object being described changes, the relative position relationships may also change accordingly. "Plurality" means two or more, unless otherwise clearly defined.

[0272] The above are only the optional embodiments of the present disclosure, and are not intended to limit the present disclosure. Any modifications, equivalent replacements, improvements, etc. made within the principle of the present disclosure shall be included in the protection scope of the present disclosure.

Claims

1. A storage device, characterized in that, The storage device (1) is for being fixed to a network device (2). The storage device (1) includes a housing (11), a circuit board (12), a storage medium (13), a first electrical connection component, and a trigger (16). The circuit board (12) is fixed inside the housing (11). The first electrical connection component is electrically connected to the storage medium (13) and the trigger (16) through the circuit board (12). The first electrical connection component is for electrically connecting to the network device (2). The trigger (16) is configured to, when triggered, send an indication message through the first electrical connection component. The indication message is for instructing the network device (2) to perform a power-off protection operation on the storage device (1).

2. The storage device according to claim 1, wherein The first electrical connection component is an electrical connector (14) or an electrical interface. The first electrical connection component is for electrically connecting to the network device (2) through a cable or directly.

3. The storage device according to claim 1, wherein The storage device (1) further includes a first mechanical connection structure (15). The first mechanical connection structure (15) is provided on the housing (11). The storage device (1) is for being fixed to the network device (2) through the first mechanical connection structure (15).

4. The storage device according to claim 3, wherein, The first mechanical connection structure (15) is a snap connection structure. The first mechanical connection structure (15) is for snap-connecting to the network device (2).

5. The storage device according to claim 4, characterized in that, The first electrical connection component is an electrical connector (14). A part of the electrical connector (14) protrudes out of the housing (11). The snap connection structure is a snap. The snap and the electrical connector (14) protrude from the same side of the housing (11).

6. The storage device according to any one of claims 3-5, characterized in that, The trigger (16) is located on the unlocking path of the first mechanical connection structure (15). During the unlocking process of the first mechanical connection structure (15), the first mechanical connection structure (15) triggers the trigger (16). Wherein, the unlocking path refers to the movement path when the first mechanical connection structure (15) releases the fixation with the network device (2).

7. The storage device according to claim 6, characterized in that, A side wall (1121) of the housing (11) has an opening (11211). The trigger (16) is opposite to the opening (11121). The first mechanical connection structure (15) is a snap. The snap is located at the opening (11211). And when the snap is pressed, the snap squeezes the trigger (16).

8. The storage device according to any one of claims 1-5, characterized in that, The storage device (1) further includes a button (25). The trigger (16) is located on the pressing path of the button (25). When the button (25) is pressed, the button (25) triggers the trigger (16).

9. The storage device according to any one of claims 1-5, characterized in that, The storage device (1) further includes a pull-up resistor (17). The first electrical connection component has a first power-off protection pin (141). One end of the pull-up resistor (17) is electrically connected to a power supply, and the other end is electrically connected to the first power-off protection pin (141). A first end of the trigger (16) is grounded, and a second end is electrically connected to the first power-off protection pin (141). The trigger component (16) is configured to disconnect the first end and the second end in a non-trigger state, and connect the first end and the second end in a trigger state to ground the first power-down protection pin (141). Wherein, the indication message is that the first power-down protection pin (141) is in a low level state.

10. The storage device according to any one of claims 1-5, characterized in that, The storage device (1) further includes an indicator light (26), and the indicator light (26) is used to indicate the working state of the storage device (1).

11. The storage device according to claim 10, characterized in that, The first electrical connection component has a first lamp control pin (140); One end of the indicator light (26) is electrically connected to a power supply, and the other end is electrically connected to the first lamp control pin (140); The indicator light (26) receives a message for indicating the state of the indicator light (26) through the first lamp control pin (140).

12. The storage device according to any one of claims 1-5, characterized in that, The signal definition of the pins of the first electrical connection component conforms to the Peripheral Component Interconnect Express (PCIe) protocol, the Universal Serial Bus (USB) protocol, or the Serial Advanced Technology Attachment (SATA) protocol.

13. The storage device according to any one of claims 1-5, characterized in that, The physical form of the first electrical connection component is the same as that of a Universal Serial Bus (USB) electrical connection component.

14. The storage device according to claim 13, wherein, The pins of the first electrical connection component include a first transmit signal pin pair (142), a first receive signal pin pair (143), and a first reset pin (145).

15. The storage device according to claim 14, wherein, The pins of the first electrical connection component further include a first clock signal pin pair (144).

16. The storage device according to claim 14, wherein, The pins of the first electrical connection component further include a first presence detection pin (146).

17. The storage device according to any one of claims 1-5, characterized in that, The storage device (1) includes a plurality of storage media (13); The storage device (1) includes a plurality of first electrical connection components, and the plurality of first electrical connection components are respectively electrically connected to the plurality of storage media (13).

18. The storage device according to any one of claims 1 to 5, characterized in that, The storage device (1) includes a plurality of storage media (13); The storage device (1) further includes a multiplexing module. The common end of the multiplexing module is electrically connected to the first electrical connection component (14), and multiple sets of branch ends of the multiplexing module are respectively electrically connected to the plurality of storage media (13).

19. The storage device according to claim 18, wherein The multiplexing module is a PCIe bridge chip, a USB Hub chip, or a SATA expansion chip.

20. A network device, characterized in that, The network device (2) includes a main board (200) and a second electrical connection component, and the second electrical connection component is electrically connected to the main board (200); The second electrical connection component is used to be electrically connected to the first electrical connection component of the storage device (1) as described in any one of claims 1-19, The second electrical connection component is used to receive the indication message sent by the storage device (1) through the first electrical connection component.

21. The network device according to claim 20, characterized in that, The pins of the second electrical connection component include a second power-down protection pin (2011), and the indication message is that the second power-down protection pin (2011) switches from a high level state to a low level state, or from a low level state to a high level state.

22. The network device according to claim 20, characterized in that, The signal definition of the pins of the second electrical connection component conforms to the Peripheral Component Interconnect Express (PCIe) protocol, the Universal Serial Bus (USB) protocol, or the Serial Advanced Technology Attachment (SATA) protocol.

23. The network device according to any one of claims 20-22, characterized in that, The physical form of the second electrical connection component is the same as that of the Universal Serial Bus (USB) electrical connection component.

24. The network device according to claim 23, characterized in that, The pins of the second electrical connection component at least include a second received signal pin pair (2012), a second transmitted signal pin pair (2013), and a second reset pin (2015).

25. The network device according to claim 24, wherein The pins of the second electrical connection component further include a second clock signal pin pair (2014).

26. The network device according to claim 24, characterized in that, The pins of the second electrical connection component further include a second presence detection pin (2016).

27. The network device according to claim 24, characterized in that, The pins of the second electrical connection component further include a second lamp control pin (2010), and the second lamp control pin (2010) is used to control the state of the indicator lamp (26) of the storage device (1), and the indicator lamp (26) is used to indicate the working state of the storage device (1).

28. The network device according to any one of claims 20-22, characterized in that, There are multiple second electrical connection components.

29. The network device according to any one of claims 20-22, characterized in that, The network device (2) further includes an adapter (203), and the adapter (203) includes a third electrical connection component (2031), a multiplexing module, and multiple fourth electrical connection components (2032); The common end of the multiplexing module is electrically connected to the third electrical connection component (2031), and multiple branch ends of the multiplexing module are respectively electrically connected to the multiple fourth electrical connection components (2032); The third electrical connection component (2031) is used to be electrically connected to the second electrical connection component of the network device (2), and the multiple fourth electrical connection components (2032) are used to be electrically connected to multiple storage devices (1).

30. The network device according to any one of claims 20-22, characterized in that, The network device (2) further has a second mechanical connection structure (202), and the network device (2) is fixed to the storage device (1) through the second mechanical connection structure (202).

31. The network device according to claim 30, wherein, The second mechanical connection structure (202) is a snap connection structure.

32. The network device according to any one of claims 20-22, characterized in that, The network device (2) is a Fiber to the Room (FTTR) device, an Optical Network Terminal (ONT), an Optical Network Unit (ONU), or a router.

33. A network device component, characterized in that, The network device assembly includes the storage device (1) according to any one of claims 1-19, and / or the network device (2) according to any one of claims 20-32.

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