Electronic device

Abstract

The application provides an electronic device, and relates to the technical field of electronic device manufacturing. The electronic device comprises a shell, a carrier and a switch element. The shell has a containing space, and a mounting opening of the shell is provided with a detachable cover plate. The cover plate has a trigger part extending to the containing space. The carrier is arranged in the containing space and is used for carrying electronic components to form an electric circuit. The electric circuit has a first connecting part. The switch element has a second connecting part capable of contacting the first connecting part and movable relative to the first connecting part, so that the switch element is connected in series in the electric circuit. Under the pressure action of the trigger part, the second connecting part of the switch element has different relative positions relative to the first connecting part, so that the electric circuit has different power-on states.

Description

Technical Field

[0001] This application relates to the field of electronic device manufacturing technology, and more particularly to an electronic device. Background Technology

[0002] When repairing the internal structure of electronic equipment, numerous precision components are distributed on the internal circuit boards. If disassembly or replacement is performed without disconnecting the power, tools or fingers may accidentally come into contact with live parts, causing a short circuit. Such a short circuit may not only cause the current operation to fail, but may also cause irreversible damage to the core components of the equipment, thereby affecting the normal operation and lifespan of the equipment. Utility Model Content

[0003] To address the aforementioned technical problems, this application provides the following technical solutions: The first aspect of this application provides an electronic device, comprising: a housing having an accommodating space, and a removable cover plate provided at the mounting opening of the housing, the cover plate having a trigger portion extending into the accommodating space; a carrier disposed in the accommodating space and used to carry electronic components to form a circuit, the circuit having a first connection portion; and a switching element having a second connection portion capable of contacting the first connection portion and movable relative to the first connection portion, so as to connect the switching element in series in the circuit; wherein, under the pressure of the trigger portion, the second connection portion of the switching element has different relative positions with respect to the first connection portion, so that the circuit has different energizing states.

[0004] In some embodiments, there are two first connecting parts, and the two ends of the switching element are second connecting parts that correspond one-to-one with the first connecting parts. There is an elastic abutment between the two second connecting parts. Under the pressure of the triggering part, the abutment causes the second connecting parts to have different relative positions with respect to the first connecting parts.

[0005] In some embodiments, the device further includes an insulating layer, wherein the first surface of the contact portion near the carrier and the second surface away from the carrier are both provided with an insulating layer.

[0006] In some embodiments, the circuit includes a power supply unit and a detection unit, with a first connection portion located in the detection unit; and a detection unit connected to the detection unit and the power supply unit, used to detect the conduction state of the detection unit in order to control the power supply unit's power-on state.

[0007] In some embodiments, the housing is provided with two mounting ports opposite each other, and the two mounting ports are respectively located on both sides of the carrier thickness direction, and each mounting port is provided with a removable cover plate; the detection unit includes a first detection unit and a second detection unit, and is respectively disposed on both sides of the carrier in its thickness direction; the detection unit is provided with a microcontroller, which stores a truth table; the detection unit is used to detect the conduction state of the first detection unit and the second detection unit, and transmit the acquired state information to the microcontroller for comparison with the truth table, so as to control the power supply unit's power-on state through the microcontroller.

[0008] In some embodiments, the orthographic projections of the first connection portion of the first detection unit and the second detection unit along the thickness direction of the carrier do not overlap.

[0009] In some embodiments, the electronic device further includes: a plurality of functional components disposed opposite to each other on both sides of the carrier along the thickness direction of the carrier; and a cooling fan disposed in the accommodating space, wherein the airflow direction of the cooling fan outlet is perpendicular to the thickness direction of the carrier and covers the carrier and the plurality of functional components.

[0010] In some embodiments, the end of the trigger portion forms a wedge-shaped guide surface, and the side of the switching element away from the carrier is provided with a ramp mating surface that cooperates with the trigger portion.

[0011] In some embodiments, the electronic device further includes: a first limiting portion disposed on the first connecting portion; and a second limiting portion disposed on the second connecting portion and corresponding to the first connecting portion, so as to limit the sliding trajectory of the second connecting portion relative to the first connecting portion.

[0012] In some embodiments, the switching element is a shape memory alloy, and when the temperature in the accommodating space is greater than a preset temperature, the switching element switches from a first state to a second state; wherein, when the switching element is in the first state, the contact area between its second connecting portion and the first connecting portion is greater than the contact area when it is in the second state. Attached Figure Description

[0013] The above and other objects, features, and advantages of exemplary embodiments of this application will become readily understood by reading the following detailed description with reference to the accompanying drawings. In the drawings, several embodiments of this application are illustrated by way of example and not limitation, with the same or corresponding reference numerals denoteing the same or corresponding parts, wherein: Figure 1 A schematic cross-sectional view of an electronic device provided in this application is shown. Figure 2 A schematic diagram of a partial structure of an electronic device provided in this application is shown. Figure 3 A schematic cross-sectional view of another electronic device provided in this application is shown. Figure 4 A partial schematic diagram of an electronic device provided in this application is shown.

[0014] Explanation of icon numbers: 1. Housing; 11. Accommodation space; 2. Cover plate; 21. Triggering part; 3. Carrier; 31. First connecting part; 4. Switching element; 41. Second connecting part; 42. Abutting part; 5. Insulating layer; 6. Functional component; 7. Cooling fan; 8. Heat sink; 9. FPC flexible cable. Detailed Implementation

[0015] Exemplary embodiments of the present disclosure will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0016] It should be noted that, unless otherwise stated, the technical or scientific terms used in this application shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application pertains.

[0017] Docks, as crucial hubs for connecting multi-interface peripherals, are widely used in various computers and mobile devices. However, in actual use, users often neglect safe operating procedures when replacing internal components, especially by directly removing the cover to replace components without disconnecting the power, which can easily cause short circuits. This improper operation not only leads to irreversible damage to critical chips, power supply modules, or interface circuits inside the dock, but may also affect the host device, posing a safety hazard.

[0018] The first aspect of this application provides an electronic device, comprising: a housing 1 having a receiving space 11, and a removable cover 2 provided at the mounting opening of the housing 1, the cover 2 having a trigger portion 21 extending into the receiving space 11; a carrier 3 disposed in the receiving space 11 and used to carry electronic components to form a circuit, the circuit having a first connection portion 31; and a switching element 4 having a second connection portion 41 capable of contacting the first connection portion 31 and movable relative to the first connection portion 31, so as to connect the switching element 4 in series in the circuit; wherein, under the pressure of the trigger portion 21, the second connection portion 41 of the switching element 4 has different relative positions with respect to the first connection portion 31, so that the circuit has different energizing states.

[0019] In one possible case, such as Figures 1-2As shown, the electronic device includes, but is not limited to, docking stations, power banks, and chassis. The housing 1 is the outer structure of the entire device, serving to support and protect the internal electronic components. The housing 1 may be hollow, with an internal accommodating space 11 for mounting the carrier 3 and other electronic components. The housing 1 has an installation opening for the user to remove the cover plate 2 to access the internal structure. The cover plate 2 is adapted to the installation opening and is detachably connected to it. Multiple elastic clips can be spaced at intervals along the edge of the installation opening on the housing 1, and corresponding grooves or holes can be provided at corresponding positions on the cover plate 2. When the cover plate 2 is pressed into the installation opening, the clips can pop out and lock in the grooves or holes, thereby fixing the cover plate 2. When it is necessary to remove the cover plate 2, the clips can be manually pressed or released using a tool. Alternatively, strong magnets can be built into both the cover plate 2 and the installation opening, achieving a fixing effect through magnetic attraction. A trigger part 21 is provided on the side of the cover plate 2 facing the accommodating space 11. The trigger part 21 can be a protrusion on the inner side of the cover plate 2, which corresponds to the position of the switching element 4 in the accommodating space 11, so that when the cover plate 2 is closed, the trigger part 21 can accurately align with the switching element 4 and apply force. The number of trigger parts 21 can be set according to the number of switching elements 4. For example, if two switching elements 4 are used for redundant control, two corresponding trigger parts 21 can be provided on the cover plate 2.

[0020] The carrier 3 can be a printed circuit board, i.e., a substrate with conductive lines, used as a mounting platform for electronic components. These components are electrically connected through pre-set conductive lines to form a complete circuit. This circuit has a first connection part 31, disposed on the carrier 3. The first connection part 31 can be an exposed metal area, such as a solder pad, or a gold-plated contact, elastic probe, etc. The switching element 4 is installed inside the housing 1. It can be a movable conductive sheet or a slider, capable of contacting or separating from the first connection part 31 on the carrier 3. The switching element 4 has a second connection part 41. If the switching element 4 is a slider, it can have a second connection part 41 at its bottom. The second connection part 41 can be a copper sheet, a gold-plated contact, an elastic probe, etc. The side or top of the slider can have an inclined surface. When the trigger part 21 is pressed down, it pushes the slider forward along this inclined surface, allowing the second connection part 41 of the slider to move relative to the first connection part 31. A spring can be provided at one end of the slider. When no external force is applied, it can push the slider back to its initial position, thereby changing the energized state of the circuit. When cover 2 is closed, the trigger part 21 on the inner side of cover 2 begins to press down, pushing the slider towards the first connecting part 31. As the trigger part 21 continues to press down, the slider overcomes the spring resistance and slowly moves forward along the slide rail on the carrier. When the contact area between the second connecting part 41 and the first connecting part 31 reaches the preset overlap area, the contact resistance is small enough, the current flows smoothly, the circuit is connected, and the equipment operates normally. When cover 2 is opened, the pressure of the trigger part 21 disappears, and the slider resets under the action of the spring or its own structure, sliding away from the first connecting part 31. The contact area between the second connecting part 41 and the first connecting part 31 approaches zero, the resistance is extremely high, the circuit is broken, the equipment is not powered, and the user can safely replace components.

[0021] Alternatively, there may be two first connecting portions 31, with each end of the switching element 4 having a second connecting portion 41 corresponding to one of the first connecting portions 31. An elastic abutment portion 42 exists between the two second connecting portions 41. Under the pressure of the trigger portion 21, the abutment portion 42 causes the second connecting portions 41 to have different relative positions with respect to the first connecting portions 31. That is, the switching element 4 can be an elastic conductive sheet, initially arc-shaped, with second connecting portions 41 at both ends, used to form electrical connections with the two first connecting portions 31 on the carrier 3. An elastic abutment portion 42 exists between the two second connecting portions 41. The abutment portion 42 deforms under pressure changes from the trigger portion 21, causing the second connecting portions 41 at both ends to slide relative to each other or in opposite directions. When the switching element 4 is in its natural state, i.e., without pressure, the contact area between the second connecting portion 41 and the first connecting portion 31 is small, the contact resistance is high, and the circuit exhibits a high-resistance state or a completely open circuit state. When the cover plate 2 is closed, the trigger part 21 on its inner side applies pressure to the abutment part 42 in the middle of the elastic conductive sheet, causing that section to undergo compression or tensile deformation. Due to the elastic characteristics of the overall structure of the conductive sheet, as the abutment part 42 is deformed under pressure, it drives the second connecting parts 41 at both ends to slide outward or backward, thereby increasing the contact area between it and the first connecting part 31. As the contact area increases, the contact resistance decreases significantly, allowing current to pass smoothly, and the circuit switches from an open state to a conductive state.

[0022] The electronic device provided in this application features a removable cover plate 2 at the mounting opening of the housing 1, and a trigger portion 21 extending into the accommodating space 11 on the inner side of the cover plate 2. This trigger portion 21, in conjunction with a switching element 4 disposed within the accommodating space 11, allows the second connecting portion 41 of the switching element 4 to undergo relative displacement relative to the first connecting portion 31 on the carrier 3 under the pressure of the trigger portion 21, thereby controlling the circuit's on / off state. When the cover plate 2 is closed, the trigger portion 21 applies pressure to the switching element 4, causing the second connecting portion 41 to make tight contact with the first connecting portion 31, thus connecting the circuit and enabling normal operation of the device. When the cover plate 2 is removed, the trigger portion 21 no longer applies pressure to the switching element 4, the second connecting portion 41 disengages from the first connecting portion 31, the circuit is disconnected, and the device stops receiving power. This electronic device effectively avoids the risk of short circuits that may occur due to live operation, protects critical electronic components from damage, and improves the safety and reliability of the device during use and maintenance.

[0023] In some embodiments, it further includes: an insulating layer 5, wherein the first surface of the contact portion 42 near the carrier 3 and the second surface away from the carrier 3 are provided with the insulating layer 5.

[0024] In one possible case, such as Figure 2As shown, insulating layers 5 are respectively provided on the first surface (the side closer to the carrier 3) and the second surface (the side farther from the carrier 3) of the contact portion 42. The insulating layers 5 are made of insulating materials, including but not limited to silicone, polyimide film, or epoxy resin, and cover the surface of the contact portion 42. By providing insulating layers 5 on both sides of the contact portion 42 of the elastic conductive sheet, unintended contact between it and the housing 1 or other metal structures can be isolated. Furthermore, the insulating layers 5 not only prevent accidental short circuits caused by contact between the switching element 4 and the metal part of the housing 1, but also provide buffer protection, reducing mechanical wear caused by frequent movement or deformation.

[0025] In some embodiments, the circuit includes a power supply unit and a detection unit, with a first connection portion 31 located in the detection unit; and a detection unit connected to the detection unit and the power supply unit, used to detect the conduction state of the detection unit in order to control the power supply unit's power-on state.

[0026] In one possible scenario, the power supply unit provides electrical energy to internal or external loads of the electronic device. The detection unit and power supply unit can be connected in parallel or series to reflect changes in circuit continuity caused by the state of the cover plate 2. The first connection part 31 is located in the detection unit, serving as a key node for determining whether the unit is conducting. The detection unit is connected to both the detection unit and the power supply unit, used to detect the conduction state of the detection unit in real time and control the power supply unit's energization state based on the detection results. The detection unit can be a circuit path controlled by a switching element 4, containing at least one first connection part 31, which can be an exposed pad or socket structure on the carrier 3. The switching element 4 (such as an elastic conductive sheet) has a corresponding second connection part 41, which contacts the first connection part 31 under pressure from the trigger part 21 when the cover plate 2 is closed, thus conducting the detection unit. The detection unit is electrically connected to the detection unit and can be a microcontroller (MCU), comparator, voltage detection IC, or other logic judgment module. When the detection unit detects that the detection unit is in a conductive state (i.e., cover 2 is closed), it sends a power-on signal to the power supply unit, allowing it to output power. If the detection unit detects that the detection unit is in an open-circuit state (i.e., cover 2 is not closed), it controls the power supply unit to stop supplying power, preventing the user from replacing components while the circuit is energized. In this embodiment, the power supply unit can automatically control whether to output power based on the conductive state of the detection unit, eliminating the need for additional manual operation and improving the intelligent power supply of the electronic device.

[0027] In some embodiments, the housing 1 is provided with two mounting ports opposite each other, and the two mounting ports are respectively located on both sides of the thickness direction of the carrier 3. Each mounting port is provided with a removable cover plate 2. The detection unit includes a first detection unit and a second detection unit, which are respectively disposed on both sides of the carrier 3 in the thickness direction. The detection unit is provided with a microcontroller, which stores a truth table. The detection unit is used to detect the conduction state of the first detection unit and the second detection unit, and transmit the acquired state information to the microcontroller for comparison with the truth table, so as to control the power supply state of the power supply unit through the microcontroller.

[0028] In one possible case, such as Figure 1 As shown, the housing 1 can be a symmetrical structure, with a mounting port on its top and bottom or front and back sides. A cover plate 2 can be detachably installed at each mounting port, and a trigger part 21 is provided on the inner side of the cover plate 2. For aesthetic purposes, the cover plate 2 can be made transparent, allowing the user to observe the working status of the internal functional components 6 (such as LED indicator flashing, fan rotation, etc.), improving the user experience. The carrier 3 can be a multi-layer PCB, disposed in the accommodating space 11 of the housing 1, with the first and second surfaces of the PCB corresponding to two mounting ports respectively. The first detection unit and the second detection unit are respectively disposed on two sides of the carrier 3. Furthermore, the first and second surfaces of the carrier 3 are respectively provided with switching elements 4 corresponding to the two trigger parts 21. The first and second detection units are both circuit paths controllable by the switching elements 4, each containing at least one first connection part 31 for cooperating with the second connection part 41 of its corresponding switching element 4. The detection unit is electrically connected to two other detection units. Its implementation can be a voltage comparator, an analog input module, or a digital I / O interface. The microcontroller, as the core judgment module, receives signals from the detection units and compares them with a preset truth table. The truth table defines the expected response under different combinations of cover plate 2 states. For example: if only one cover plate 2 is closed, power supply is not allowed; if both cover plates 2 are closed, power supply is allowed; if one side is not closed or has poor contact, power supply is prohibited. Finally, the microcontroller controls whether the power supply unit outputs power based on the comparison result, i.e., it controls the power supply unit's energization state. By introducing a dual-sided detection mechanism, it ensures that power supply is only allowed when both cover plates 2 are closed and the device is in a fully encapsulated state, thus improving safety.

[0029] In some embodiments, the orthographic projections of the first connection portion 31 of the first detection unit and the second detection unit along the thickness direction of the carrier 3 do not overlap.

[0030] In one possible scenario, the first connecting portion 31 of the first detection unit and the first connecting portion 31 of the second detection unit are offset from each other in their orthographic projections along the thickness direction of the carrier 3, and do not overlap. For example, the first connecting portion 31 of the first detection unit is located in the left front region, and the first connecting portion 31 of the second detection unit is located in the right back region to achieve spatial misalignment. When the user closes one side cover 2, the trigger portion 21 on the inner side of that side cover 2 presses down on the corresponding switching element 4, causing the second connecting portion 41 to contact the first connecting portion 31, thereby turning on the detection unit on that side. If the user only closes one side cover 2, the detection unit only recognizes a single-sided conduction signal, and the power supply unit will not output power. Only when both side covers 2 are closed and both detection units are turned on will the microcontroller allow the power supply unit to supply power externally after judging according to the truth table. In addition, since the two first connecting portions 31 are spatially misaligned, even if one side cover 2 is disassembled and the trigger portion 21 is deformed by force, it will not cause additional mechanical pressure or accidental contact to the switching element 4 on the other side, ensuring the stability and safety of the electronic device.

[0031] In some embodiments, the electronic device further includes: a plurality of functional components 6, which are disposed opposite to each other on both sides of the carrier 3 along the thickness direction of the carrier 3; and a cooling fan 7, which is disposed in the accommodating space 11, wherein the airflow direction of the air outlet of the cooling fan 7 is perpendicular to the thickness direction of the carrier 3 and covers the carrier 3 and the plurality of functional components 6.

[0032] In one possible case, such as Figure 1 As shown, the electronic device also includes multiple functional components 6, including but not limited to an AI CARD, which may be a hardware acceleration module configured to perform artificial intelligence (AI) tasks. Figure 3 , Figure 4 As shown, four AI cards can be arranged in pairs on the first and second surfaces of the carrier 3, and then connected by an FPC flexible cable 9. This layout helps to balance weight distribution and also makes better use of the internal space of the chassis. The cooling fan 7 is fixedly installed in the accommodating space 11 inside the housing 1, and can be located at one end of the accommodating space 11. Its air outlet is perpendicular to the thickness direction of the carrier 3, that is, the air blowing direction is horizontal, so that it directly acts on the carrier 3 and the surface of the functional components 6 on both sides. The housing 1 is also provided with air inlets and outlets to form an air duct structure, further enhancing the air circulation effect. A gap can be left between the functional components 6 and the carrier 3 to enhance airflow and heat dissipation. In addition, in order to further enhance the heat dissipation effect, a heat sink 8 can be set on the side of the functional component 6 away from the carrier 3, or a heat sink 8 can be set on both surfaces of the carrier 3. In addition, in order to adapt to the size of the accommodating space 11 of the housing 1, the carrier 3 can be divided into multiple modules, such as a motherboard module, a power supply module, etc., and multiple carriers 3 can be stacked.

[0033] In some embodiments, the end of the trigger portion 21 forms a wedge-shaped guide surface, and the side of the switching element 4 facing away from the carrier 3 is provided with a ramp mating surface that cooperates with the trigger portion 21.

[0034] In one possible case, such as Figures 1-2 As shown, the end of the trigger part 21, that is, the end that contacts the switching element 4, can be configured as a wedge-shaped guide surface, i.e., an inclined surface. The side of the switching element 4 away from the carrier 3 is provided with a ramp mating surface, which corresponds to the wedge-shaped guide surface of the trigger part 21. During the closing process of the cover plate 2, the two come into contact and gradually slide into contact. Through the interaction between the wedge-shaped guide surface and the ramp mating surface, the vertical pressure generated when the cover plate 2 closes can be converted into a multi-directional deformation force, thereby significantly improving the trigger sensitivity and action stability.

[0035] In some embodiments, the electronic device further includes: a first limiting portion disposed on the first connecting portion 31; and a second limiting portion disposed on the second connecting portion 41 and corresponding to the first connecting portion 31, so as to limit the sliding trajectory of the second connecting portion 41 relative to the first connecting portion 31.

[0036] In one possible scenario, the first limiting part can be a groove or a sliding groove structure, and the second limiting part can be a protrusion structure provided on the surface or edge of the second connecting part 41, the shape of which matches the first limiting part, and the extension direction of the groove is the sliding trajectory of the second connecting part 41. When the switch assembly, such as the elastic conductive sheet, deforms, causing its second connecting part 41 to slide relative to the first connecting part 31, the protrusion structure is embedded in the groove, limiting the offset of the second connecting part 41 in other directions, allowing it to slide only along the sliding groove. By setting the first limiting part and the second limiting part to limit the sliding trajectory of the second connecting part 41 relative to the first connecting part 31, it is ensured that the two can accurately align during the closing or disassembly of the cover plate 2, avoiding poor contact or even failure due to malfunction or assembly deviation.

[0037] In some embodiments, the switching element 4 is a shape memory alloy. When the temperature in the accommodating space 11 is greater than a preset temperature, the switching element 4 switches from a first state to a second state. In the first state, the contact area between the second connecting portion 41 and the first connecting portion 31 of the switching element 4 is greater than the contact area when it is in the second state.

[0038] In one possible scenario, the switching element 4 can be made of a shape memory alloy, such as a nickel-titanium alloy, which has the ability to undergo a phase change within a specific temperature range. That is, when the ambient temperature reaches a preset value, such as 75°C, the alloy will deform. At the preset temperature, the switching element 4 is in its natural state or its initial shape after training. At this time, there is a large contact area between the second connection portion 41 and the first connection portion 31, ensuring good electrical connection and low contact resistance. The circuit is in a conductive state, i.e., the switching element 4 is in the first state. When the temperature within the accommodating space 11 rises and exceeds the preset temperature, the shape memory alloy undergoes a phase change, restoring to another predetermined shape. If the volume of the switching element 4 at this time is smaller than its volume in the first state, the contact area between the second connection portion 41 and the first connection portion 31 is significantly reduced, the resistance increases, and the circuit is disconnected, i.e., the switching element 4 is in the second state. In this scheme, the switching element 4 changes the contact area between its second connection portion 41 and the first connection portion 31 by sensing changes in temperature, thereby changing the energizing state of the circuit. This results in higher response speed and longer service life, while also reducing the possibility of wear and failure.

[0039] It should be noted that in the description of this specification, the terms "upper," "lower," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model; the terms "connection," "installation," "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0040] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0041] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. An electronic device, comprising: include: A housing having an accommodating space, and the mounting port of the housing having a removable cover plate having a trigger portion extending into the accommodating space; A carrier is disposed in the accommodating space and is used to carry electronic components to form a circuit, wherein the circuit has a first connection portion; A switching element having a second connecting portion capable of contacting the first connecting portion and movable relative to the first connecting portion, so as to connect the switching element in series in the circuit; In this circuit, the second connection part of the switching element has a different relative position with respect to the first connection part under the pressure of the trigger part, so that the circuit has different energizing states.

2. The electronic device according to claim 1, characterized in that, The number of the first connecting parts is two, and the two ends of the switching element are second connecting parts that correspond one-to-one with the first connecting parts. There is an elastic abutment between the two second connecting parts. Under the pressure of the trigger part, the abutment makes the second connecting parts have different relative positions with respect to the first connecting parts.

3. The electronic device of claim 2, wherein, Also includes: An insulating layer is provided on both the first surface of the contact portion near the carrier and the second surface away from the carrier.

4. The electronic device according to claim 1, characterized in that, The circuit includes a power supply unit and a detection unit, and the first connection part is located in the detection unit; A detection unit, connected to the detection unit and the power supply unit, is used to detect the conduction state of the detection unit in order to control the power supply state of the power supply unit.

5. The electronic device according to claim 4, characterized in that, The housing is provided with two mounting ports opposite each other, and the two mounting ports are respectively located on both sides of the thickness direction of the carrier. Each mounting port is provided with a removable cover plate. The detection unit includes a first detection unit and a second detection unit, which are respectively disposed on both sides of the carrier in its thickness direction; The detection unit is equipped with a microcontroller, which stores a truth table. The detection unit is used to detect the conduction status of the first detection unit and the second detection unit, and transmit the acquired status information to the microcontroller for comparison with the truth table, so as to control the power supply unit's power-on status through the microcontroller.

6. The electronic device according to claim 5, characterized in that, The first connecting portions of the first detection unit and the second detection unit do not overlap in their orthographic projections along the thickness direction of the carrier.

7. The electronic device of claim 5, wherein, Also includes: Multiple functional components are disposed opposite to each other on both sides of the carrier along the thickness direction of the carrier; A cooling fan is disposed in the accommodating space, and the airflow direction of the cooling fan outlet is perpendicular to the thickness direction of the carrier, and covers the carrier and the plurality of functional components.

8. The electronic device according to claim 1, characterized in that, The end of the trigger portion forms a wedge-shaped guide surface, and the side of the switching element facing away from the carrier is provided with a ramp mating surface that cooperates with the trigger portion.

9. The electronic device of claim 1, wherein, Also includes: A first limiting part is disposed on the first connecting part; A second limiting part is disposed on the second connecting part and corresponds to the first connecting part to limit the sliding trajectory of the second connecting part relative to the first connecting part.

10. The electronic device according to claim 1, characterized in that, The switching element is a shape memory alloy. When the temperature in the accommodating space is higher than a preset temperature, the switching element switches from a first state to a second state. Wherein, when the switching element is in the first state, the contact area between its second connection portion and the first connection portion is greater than the contact area when it is in the second state.

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