Circuit breaking mechanism for socket and direct current socket

Abstract

The embodiment of the utility model provides a circuit breaking mechanism for a socket and a direct current socket. The circuit breaking mechanism comprises a base which comprises an insertion hole and is suitable for inserting an earth pole pin of a plug; the driving part is rotatably coupled to the base by driving the rotating part; the bridging assembly is rotatably coupled to the base through a bridging rotating part and is coupled to the driving piece; the trigger part is arranged at a position corresponding to the insertion hole and is suitable for being driven by the inserted ground pole pin to move from an initial position to an energy storage position; the reset piece is arranged between the movable trigger piece and the base so as to be pressed by the trigger piece moving from the initial position to the energy storage position to store energy, and the reset piece is suitable for driving the trigger piece to reset from the energy storage position to the initial position and driving the driving piece to reset from the on position to the off position after the earth pole pin is pulled out by a preset stroke. Therefore, the bridging assembly is driven to cut off the electrical connection between the plug bush section and the terminal section. Therefore, electric arc can be prevented from being generated between the plug and the plug bush.

Description

TECHNICAL FIELD

[0001] The example embodiments of the present disclosure generally relate to the field of household appliances, and in particular, to a circuit breaking mechanism for a socket and a DC socket. BACKGROUND

[0002] A DC socket is an electrical socket for connecting a DC power supply. Since the DC power does not have periodic changes, i.e., the DC power has no zero-crossing point, the arc burning time between the plug and the socket is long during the process of plugging and unplugging the plug, thereby damaging the socket and the connected device. Therefore, how to avoid the generation of arc between the DC socket and the plug and ensure that the arc can be quickly and effectively extinguished when generated has become a technical problem to be solved in the current technical field of DC sockets. SUMMARY

[0003] The purpose of the present disclosure is to provide a circuit breaking mechanism for a socket and a DC socket to at least partially solve the above-mentioned problems and / or other potential problems existing in conventional DC sockets.

[0004] In a first aspect of the present disclosure, a circuit breaking mechanism for a socket is provided. The circuit breaking mechanism comprises: a base comprising a plug-in hole adapted to a ground pin of a plug; a driving member rotatably coupled to the base via a driving rotation part; a bridging assembly rotatably coupled to the base via a bridging rotation part and coupled to the driving member; a trigger member arranged at a position corresponding to the plug-in hole and adapted to be driven by the ground pin inserted to move from an initial position to an energy storage position to allow the ground pin to drive the driving member to move from a disconnection position to a connection position to drive the bridging assembly to connect the electrical connection between the sleeve segment and the terminal segment of the wiring assembly of the socket; and a reset member arranged between the moving trigger member and the base to be pressed by the trigger member moved from the initial position to the energy storage position to store energy, the reset member being adapted to drive the trigger member to reset from the energy storage position to the initial position and drive the driving member to reset from the connection position to the disconnection position to drive the bridging assembly to cut off the electrical connection between the sleeve segment and the terminal segment after the ground pin is pulled out by a preset stroke.

[0005] In embodiments according to the present disclosure, when the plug is inserted, the ground pin drives the circuit breaking mechanism, ensuring that the positive and negative circuit conduction only occurs after the plug is fully inserted, thereby effectively avoiding the generation of arc; after the plug is pulled out by a preset stroke, the circuit breaking mechanism automatically cuts off the circuit without the intervention of the ground pin and the trigger member. At the same time, the coordinated action of the base, the trigger member, the driving member and the bridging assembly ensures the stability of the electrical connection through the mechanical structure and the action sequence of the circuit breaking mechanism, thereby improving the service life and the operation experience of the device. Other benefits will be described in detail below in conjunction with the corresponding embodiments.

[0006] In some embodiments, the trigger includes a receiving cavity, and the driving member includes a pressing portion arranged at a side close to the trigger and coupled in the receiving cavity to allow the ground pin moved into the receiving cavity to push and drive the driving member to move to the on position.

[0007] In some embodiments, the trigger further includes an inclined portion arranged to be aligned with the insertion hole of the base and adapted to be pushed by the ground pin inserted from the insertion hole to drive the trigger to move from the initial position to the energy storage position.

[0008] In some embodiments, the driving member further includes a driving cavity arranged at a side away from the pressing portion.

[0009] In some embodiments, the bridging assembly further includes a conducting member arranged at a side away from the driving member, and an insulating member arranged to be connected with the conducting member, and the bridging rotating portion is coupled on the insulating member, and the insulating member includes a driving rod coupled in the driving cavity and adapted to be abutted by the side wall of the driving cavity after the driving member rotates through a preset stroke to drive the bridging assembly to rotate around the bridging rotating portion.

[0010] In some embodiments, the breaking mechanism further includes a driving elastic member arranged on the driving rod of the bridging assembly and at least partially accommodated in the driving cavity, the driving elastic member is compressed and abutted between the driving member and the insulating member to cause elastic deformation of the driving elastic member.

[0011] In some embodiments, the conducting member includes a pair of movable contacts adapted to be coupled to the sleeve segment and the terminal segment respectively.

[0012] In some embodiments, the breaking mechanism further includes an arc extinguishing assembly coupled between the sleeve segment and the terminal segment and adapted to generate a magnetic field covering at least the conductive connection.

[0013] In some embodiments, the base includes a through hole arranged on the bottom wall of the base corresponding to the reset member, and adapted to allow the abutting member on the shell of the socket to press the reset member through the through hole.

[0014] In a second aspect of the present disclosure, a DC socket is provided. The DC socket includes a shell, a positive terminal assembly coupled to the shell and including a terminal segment and a sleeve segment separated from each other, a breaking mechanism according to the first aspect described above coupled to the shell, and a pair of movable contacts of the conducting member of the breaking mechanism arranged at positions corresponding to a pair of stationary contacts of the terminal segment and the sleeve segment, and a ground terminal assembly coupled to the shell and having a ground sleeve located in the insertion hole of the base and adapted to press the trigger of the breaking mechanism after the ground pin of the plug is inserted into the ground sleeve to drive the bridging assembly of the breaking mechanism to rotate during the insertion of the ground pin into the ground sleeve.

[0015] In some embodiments, the DC socket further comprises: a negative terminal assembly coupled on the housing, adapted to form an electrical loop with the positive terminal assembly via the negative terminal assembly in a case that the plug is inserted into the DC socket.

[0016] It should be understood that the contents described in this section are not intended to limit the key features or important features of the embodiments of the present disclosure, nor to limit the scope of the present disclosure. Other features of the present disclosure will become apparent through the following description. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above and other features, advantages and aspects of embodiments of the present disclosure will become more apparent by describing in detail some embodiments thereof with reference to the annexed drawings in which:

[0018] Figure 1 A structural schematic diagram of a DC socket and a plug according to some embodiments of the present disclosure is shown;

[0019] Figure 2 A structural schematic diagram of a circuit breaking mechanism arranged in a housing according to some embodiments of the present disclosure is shown;

[0020] Figure 3 A structural schematic diagram of a pair of static contacts of a positive terminal assembly according to some embodiments of the present disclosure is shown;

[0021] Figure 4 and Figure 5 A structural schematic diagram of a circuit breaking mechanism according to some embodiments of the present disclosure is shown;

[0022] Figure 6 An exploded view of a circuit breaking mechanism according to some embodiments of the present disclosure is shown;

[0023] Figure 7 A structural schematic diagram of a negative terminal assembly according to some embodiments of the present disclosure is shown;

[0024] Figure 8 A structural schematic diagram of a negative terminal assembly according to some embodiments of the present disclosure is shown;

[0025] Figure 9 A structural schematic diagram of a DC socket turned on after being inserted into a plug according to some embodiments of the present disclosure is shown. DETAILED DESCRIPTION

[0026] Embodiments of the present disclosure will be described below in greater detail with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it is understood that the present disclosure can be embodied in various forms and should not be construed as being limited to the embodiments set forth herein, but rather, the embodiments are provided so as to more completely and thoroughly understand the present disclosure. It is understood that the drawings and embodiments of the present disclosure are for exemplary purposes only and are not intended to limit the scope of protection of the present disclosure.

[0027] In the description of embodiments of the present disclosure, the term "includes" and its derivatives, such as "including," should be understood in an open, inclusive sense, that is, "including, but not limited to." The term "based on" should be understood as "based at least in part on." The term "one embodiment" or "the embodiment" should be understood as "at least one embodiment." The term "some embodiments" should be understood as "at least some embodiments." Other explicit or implicit definitions can also be included below. The terms "first," "second," and the like can refer to different or the same objects. Other explicit and implicit definitions can also be included below.

[0028] As briefly mentioned above, the problem of electric arc between the plug and the socket. In terms of arc extinguishing, there is a significant difference between direct current and alternating current. Due to the zero-crossing characteristic of the current, the arc is usually extinguished at the zero-crossing point when the operation is turned off. For example, for 250VAC, 6A AC, the longest arc burning time is about half a cycle, i.e. 10ms.

[0029] However, the direct current does not have a zero-crossing point, which results in a significantly prolonged arc burning time. For example, under the condition of 250VDC, 5A DC, the arc burning time can reach 26.8ms.

[0030] If the arc extinguishing problem between the direct current socket and the plug cannot be effectively solved, the long-time burning arc will seriously wear the contacts between the socket and the plug, and the plastic around the contacts will also be severely ablated due to high temperature. For example, in some electronic devices powered by direct current, the contacts in the socket that contact the plug will quickly age and reduce the service life of the device due to the failure of the arc to be extinguished in time. For example, in a power system, long-time arc can cause serious safety accidents such as fire.

[0031] In order to solve or at least partially solve the above problems or other potential problems of the conventional direct current socket, embodiments of the present disclosure provide a circuit breaking mechanism for a socket and a direct current socket scheme. According to the scheme of the embodiments of the present disclosure, the circuit breaking mechanism includes a base, a trigger piece, a driving piece, and a bridging assembly, which aims to achieve efficient and stable circuit connection and disconnection functions. Further, the base includes an insertion hole suitable for inserting the ground pin of the plug.

[0032] Further, the driving member is rotatably coupled to the base via a driving rotation portion. The bridging assembly is rotatably coupled to the base via a bridging rotation portion, and to the driving member.

[0033] Further, the triggering member is arranged at a position corresponding to the insertion hole, and is adapted to be driven by the inserted ground pin to move from an initial position to an energy storage position, to allow the ground pin to drive the driving member to move from an off position to an on position, to drive the bridging assembly to turn on the electrical connection between the bushing segment and the terminal segment of the wiring assembly of the socket.

[0034] Further, the reset member is arranged between the moving triggering member and the base, to be pressed by the triggering member moved from the initial position to the energy storage position, and the reset member is adapted to drive the triggering member to reset from the energy storage position to the initial position and drive the driving member to reset from the on position to the off position after the ground pin is pulled out by a preset stroke, to drive the bridging assembly to cut off the electrical connection between the bushing segment and the terminal segment.

[0035] In this way, through the cooperation of the base, the triggering member, the driving member and the bridging assembly, the safety and working reliability of the socket during the plugging and unplugging process are significantly improved. First, the insertion hole on the base helps the ground pin of the plug to be inserted, and through the rotation of the triggering member around the triggering rotation portion, the insertion action of the plug can be sensed. The triggering member not only realizes the detection of the insertion of the ground pin, but also, through the cooperation with the driving member, converts the insertion force of the ground pin into the rotating force of the driving member. In addition, the operation action of the plug pulling out is decoupled from the response action of the circuit breaking mechanism, that is, the response action of the circuit breaking mechanism is not affected by the plug pulling out action.

[0036] In addition, the bridging assembly improves the conduction performance of the circuit. When the driving member rotates through a preset stroke, the bridging assembly is driven to rotate under the support of the bridging rotation portion, and the conduction member thereof can accurately complete the electrical connection between the bushing segment and the terminal segment of the wiring assembly. This process realizes the instant conduction after the electrical pin of the plug is inserted, while avoiding the generation of electric arc at the conductive contact point, improving the stability and durability of the circuit connection.

[0037] The structure of the DC socket will be described below in conjunction with Figures 1 to 9 The concept of the present disclosure will be mainly described below in the case of a DC socket of a power outlet, and it should be understood that similar cases also exist for sockets 200 with other applications for DC devices. In daily life, sockets 200 such as DC sockets are essential electronic devices for us.

[0038] Figure 1 The structural schematic diagram of a DC socket and a plug 100 according to some embodiments of the present disclosure is shown. Figure 2A structural diagram showing the arrangement of the circuit breaking mechanism 230 within the housing 210 is shown. Figure 3 A structural diagram showing a pair of static contacts of the positive terminal assembly 220 is shown. As shown, the DC socket according to the embodiments of the present disclosure comprises a housing 210, a positive terminal assembly 220, a circuit breaking mechanism 230, and a ground terminal assembly 240. The DC socket aims to ensure that during the electrical connection process, both stable and reliable current transmission and avoidance of electrical short circuit or arc generation are achieved, thereby improving the safety and stability of the socket 200. Figures 1 to 3

[0039] Specifically, the housing 210 is used to accommodate various components and provide support. The housing 210 can be made of insulating material and has good electrical isolation performance. Further, the positive terminal assembly 220 is coupled to the housing 210. The positive terminal assembly 220 comprises a terminal segment 2202 and a sleeve segment 2201 which are separated from each other. Further, the terminal segment 2202 is used for electrical connection with the positive pole in the circuit, while the sleeve segment 2201 is adapted to receive the positive pole pin 120 of the plug 100. The position and shape of the terminal segment 2202 and the sleeve segment 2201 can be selected according to actual needs to ensure that stable electrical connection can be achieved and misconnection is avoided.

[0040] Further, the circuit breaking mechanism 230 is coupled to the housing 210. A pair of dynamic contacts of the conducting member 2352 of the circuit breaking mechanism 230 correspond to the static contacts 2204 of the terminal segment 2202 and the static contacts 2205 of the sleeve segment 2201 of the positive terminal assembly 220. After the plug 100 is inserted into the socket 200, electrical connection is formed between the dynamic contacts and the static contacts, thereby realizing the conduction of the circuit. In addition, the circuit breaking mechanism 230 is used not only for the conduction of current, but also for automatically cutting off the current when the plug 100 is not fully inserted or pulled out, so as to prevent the generation of arc or electrical failure.

[0041] Further, the ground terminal assembly 240 is coupled to the housing 210, and the ground sleeve 2401 thereof is located in the insertion hole 2311 of the base 231. This arrangement allows the ground pole pin 110 of the plug 100 to be inserted into the ground sleeve 2401, and then the trigger 232 of the circuit breaking mechanism 230 is pressed to start the operation of the circuit breaking mechanism 230. When the ground pole pin 110 is inserted into the ground sleeve 2401, the trigger 232 is pressed, which in turn drives the bridge assembly 235 in the circuit breaking mechanism 230 to rotate. The rotation of the bridge assembly 235 causes the conducting member 2352 in the socket 200 to change position, thereby realizing the switching or disconnection of the circuit.

[0042] ​In this way, the socket 200 can automatically start the circuit breaking mechanism 230 through the action of the ground pin 110 while the plug 100 is being inserted, ensuring that the circuit can be successfully connected after the plug 100 is inserted, and effectively avoiding the generation of electric arc during the insertion and removal of the plug 100. The safety of the socket 200 is improved through the cooperation of the wiring assembly (e.g., the positive wiring assembly 220 and the negative wiring assembly 250) and the circuit breaking mechanism 230, avoiding electrical failure caused by incomplete insertion of the plug 100 or electric arc.

[0043] In some embodiments, the direct current socket further comprises a negative wiring assembly 250. The negative wiring assembly 250 is coupled to the housing 210. After the plug 100 is inserted into the socket 200, an electrical loop is formed with the positive wiring assembly 220. The connection of the negative wiring assembly 250 to the housing 210 can be selected according to actual needs to ensure a reliable electrical connection during use and stable completion of the loop transmission of the current after the plug 100 is inserted.

[0044] When the plug 100 is inserted into the direct current socket, the positive pin 120 is connected to the sleeve section 2201 of the positive wiring assembly 220, and the negative pin 130 is in contact with the negative wiring assembly 250, thereby forming a complete electrical loop. The negative wiring assembly 250 can be made of a material with good electrical conductivity, such as copper or an alloy. When the plug 100 is removed, the electrical loop between the negative wiring assembly 250 and the positive wiring assembly 220 is automatically disconnected, and at the same time, the electrical loop of the circuit breaking mechanism 230 is also automatically disconnected, thereby ensuring that the circuit is in a safe state without load.

[0045] For ease of description, the circuit breaking mechanism 230 of the direct current socket in the embodiments of the present disclosure will be further described below.

[0046] Figure 4 and Figure 5 A structural schematic diagram of the circuit breaking mechanism 230 according to some embodiments of the present disclosure is shown. Figure 6 An exploded view of the circuit breaking mechanism 230 according to some embodiments of the present disclosure is shown. As Figures 4 to 6 shown, the circuit breaking mechanism 230 according to the embodiments of the present disclosure generally comprises a base 231, a trigger 232, a driving member 233, a bridging assembly 235, and a reset member 236. The circuit breaking mechanism 230 is designed to ensure that the circuit is safely disconnected before the plug 100 is inserted and when the plug 100 is removed, avoiding the generation of electric arc, and also to stably provide electrical connection after the plug 100 is inserted in place, achieving efficient circuit control and protection.

[0047] Specifically, the base 231 has an insertion hole 2311 into which the ground pin 110 of the plug 100 can be inserted, and the base 231 provides support and guiding functions.

[0048] Further, the trigger 232 is arranged at a position corresponding to the insertion hole 2311 and opposite to the insertion direction of the ground pin 110. The trigger 232 is adapted to be driven to rotate around the built-in trigger rotating portion 2321 by the ground pin 110 when the ground pin 110 is inserted. The trigger 232 is driven by the inserted ground pin 110 to move from an initial position to an energy storage position, to allow the ground pin 110 to drive the driving member 233 to move from an off position to an on position, to drive the bridging assembly 235 to turn on the electrical connection between the socket segment and the terminal segment of the terminal assembly of the socket 200. In some embodiments, the trigger 232 is provided with a receiving cavity 2322 which penetrates the trigger 232 along the radial direction of the trigger rotating portion 2321. It can be understood that the initial position of the trigger 232 refers to the position of the trigger 232 when the ground pin 110 is inserted into the ground socket 2401 and the ground pin 110 does not abut against the trigger 232. The energy storage position of the trigger 232 refers to the position of the trigger 232 when the ground pin 110 abuts against the trigger 232 and drives the trigger 232 to rotate, and the ground pin 110 abuts against the driving member 233.

[0049] Further, the driving member 233 is rotationally coupled to the base 231 through the driving rotating portion 2331. In some embodiments, the driving member 233 comprises a pressing portion 2332 and a driving cavity 2333. The pressing portion 2332 is arranged at a side close to the trigger 232, and the pressing portion 2332 is arranged in the receiving cavity 2322, and the pressing portion 2332 cooperates with the receiving cavity 2322 to allow the ground pin 110 to effectively mechanically interact with the trigger 232 and the driving member 233 when the plug 100 is inserted. When the ground pin 110 is inserted, the trigger 232 is driven to rotate by a certain angle, and the receiving cavity 2322 is adapted to allow the ground pin 110 to continue to push the pressing portion 2332 of the driving member 233 to drive the entire driving member 233 to rotate around the rotating portion thereof after the trigger 232 rotates a certain stroke. Further, the driving cavity 2333 is arranged at a side away from the pressing portion 2332.

[0050] Further, the bridge assembly 235 is rotationally coupled with the base 231 by a bridge rotation portion 2351. In some embodiments, the bridge assembly 235 includes a conducting member 2352 located at a side away from the driving member 233. When the driving member 233 rotates to a preset stroke, the bridge assembly 235 is driven to rotate around the bridge rotation portion 2351. Further, after the electrical pins of the plug 100 are inserted into the sleeve segments of the wiring assembly of the socket 200, the conducting member 2352 can conduct the electrical connection between the sleeve segments and the terminal segments of the wiring assembly, ensuring the normal conduction of the circuit. Further, the electrical pins include a positive pin (120) and a negative pin (130). Meanwhile, the wiring assembly includes a positive wiring assembly 220 and a negative wiring assembly 250. Hereinafter, the positive wiring assembly 220 will be taken as an example for description, and the case of the negative wiring assembly 250 is similar, which will not be described again hereinafter.

[0051] In this way, through the mutual cooperation between the trigger member 232, the driving member 233 and the bridge assembly 235, the safe connection and disconnection of the circuit during the insertion and extraction of the plug 100 are realized. The rotation action of the trigger member 232 triggers the insertion and pushing of the ground pin 110, and further the ground pin 110 drives the driving member 233 and the bridge assembly 235 to rotate correspondingly, ensuring the conduction between the sleeve segments and the terminal segments of the wiring assembly of the socket 200 at the appropriate time, thereby ensuring the stability and safety of the circuit.

[0052] As shown in FIG. 2, further, the reset member 236 of the circuit breaking mechanism 230 is arranged to ensure that after the ground pin 110 is extracted by a preset stroke, the trigger member 232 and the driving member 233 can be automatically reset, ensuring the reliability and safety of the circuit breaking mechanism 230. Figure 5

[0053] Specifically, the reset member 236 is arranged between the movable trigger member 232 and the base 231, and between the pressing portion 2332 of the driving member 233 and the base 231. The reset member 236 is energized by the trigger member 232 moving from the initial position to the energized position. The reset member 236 is adapted to drive the trigger member 232 to reset from the energized position to the initial position and drive the driving member to reset from the on position to the off position after the ground pin 110 is extracted by a preset stroke, so as to drive the bridge assembly to cut off the electrical connection between the sleeve segments and the terminal segments. It can be understood that the preset stroke of the ground pin 110 being extracted refers to the stroke from the beginning of the extraction action of the ground pin 100 to the disengagement of the ground pin sleeve 2401.

[0054] ​Furthermore, the reset element 236 is coupled to the reset rotating part 2361 of the base 231. In other words, after the ground pin 110 is pushed out of the preset travel, the reset element 236 provides a reset force, driving the trigger element 232 and the drive element 233 to rotate and reset to the initial position. The reset element 236 can be a spring or a similar elastic element, which can automatically apply a reset force after the trigger element 232 and the drive element 233 are acted upon by the ground pin 110. After the ground pin 110 is pushed out of the preset travel, the reset element 236 will exert its elastic characteristics to push the trigger element 232 and the drive element 233 back to their initial state. It should be noted that before the trigger element 232 and the drive element 233 return to their initial state, the conductive element 2352 is disconnected from the socket section and terminal section of the wiring assembly. That is, after the conductive element 2352 is disconnected from the socket section and terminal section of the wiring assembly, the electrical pins of the plug 100 are disengaged from the socket section of the wiring assembly of the socket 200. When the plug 100 is pulled out of the socket, the trigger element 232 rotates a preset distance around the trigger rotating part 2321 under the elastic force of the reset element 236. The reset element 236 then simultaneously abuts against both the drive element 233 and the trigger element 232. It should be noted that at this time, the ground pin 110 is not abutting against the drive element 233; that is, the action of pulling out the plug 100 is decoupled from the action of the drive element 233 disconnecting the drive bridge assembly 235.

[0055] Furthermore, under the action of the reset member 236, the trigger member 232 and the drive member 233 rotate to a preset stroke and then drive the bridging component 235 to operate, causing the bridging component 235 to quickly disconnect from the socket segment. At this time, the rotation of the drive member 233 to its initial position is not limited by the ground pin 100 and the trigger member 232. That is to say, the action of the bridging component 235 in cutting off the electrical connection between the socket segment and the terminal segment is not affected by the ground pin.

[0056] The reset component 236 enables the circuit breaker mechanism 230 to complete the triggering and reset operations more stably and automatically, thereby improving the overall reliability of the circuit breaker mechanism 230.

[0057] like Figure 6 As shown, in some embodiments, the trigger 232 includes a tilting portion 2323. This tilting portion 2323 is arranged to align with the insertion hole 2311 of the base 231. When the ground pin 110 of the plug 100 is inserted into the ground wiring assembly 240 and passes through the insertion hole 2311, it presses against the tilting portion 2323, thereby driving the trigger 232 from an initial position to an energy storage position.

[0058] Figure 7 A schematic diagram is shown illustrating the structure of a plug 100 inserted into a socket 200 according to some embodiments of the present disclosure, with the ground pin 110 abutting against the transmitter 232. For example... Figure 7As shown, specifically, when the ground pin 110 of the plug 100 is inserted into the insertion hole 2311, the ground pin 110 can contact the inclined portion 2323 and apply a certain pushing force. The pushing force promotes the rotation of the trigger 232 around the trigger rotation portion 2321, and further triggers the subsequent actions, such as the rotation of the driving member 233 and the switching of the bridging assembly 235. The angle and surface structure of the inclined portion 2323 can be arranged according to actual needs to ensure that a smooth and effective rotating force can be generated when the ground pin 110 contacts, so as to realize the reliable operation of the entire breaking mechanism 230.

[0059] Further, during the insertion of the plug 100, the inclined portion 2323 can change the mechanical change of the trigger 232, ensuring that the ground pin 110 can contact and push the trigger 232 to rotate, without causing adverse effects such as jamming or excessive friction. As part of the trigger 232, the inclined portion 2323 not only improves the response speed of the trigger 232, but also ensures the accuracy and stability of the triggering mechanism during the insertion of the plug 100.

[0060] In some embodiments, the bridging assembly 235 includes an insulating member 2353 and a conducting member 2352. The insulating member 2353 is connected with the conducting member 2352 and coupled with the base 231 through the bridging rotation portion 2351. The bridging assembly 235 can ensure that the circuit is reliably connected at the appropriate time during the insertion of the plug 100, and provide necessary isolation when the circuit is disconnected, ensuring safety.

[0061] Further, the material and structure of the insulating member 2353 can be selected according to actual needs to isolate the electrical part and avoid unnecessary current leakage or contact short circuit. The insulating member 2353 ensures the electrical isolation of the conducting member 2352.

[0062] Further, the insulating member 2353 includes a driving rod 2354. The driving rod 2354 is coupled in the driving cavity 2333 of the driving member 233.

[0063] Figure 8 A structure diagram showing that the ground pin 110 abuts against the pressing portion 2332 of the driving member 233 is shown according to some embodiments of the present disclosure. As shown, Figure 8 When the ground pin 110 pushes the trigger 232 to rotate by a preset angle, and the ground pin 110 drives the driving member 233 to rotate to a preset stroke, the side wall of the driving cavity 2333 abuts against the driving rod 2354, thereby transmitting the pushing force to the insulating member 2353, driving the bridging assembly 235 to rotate around the bridging rotation portion 2351, to realize the electrical connection between the conducting member 2352 and the positive pole wiring assembly 220 of the socket 200.

[0064] Further, the length and shape of the driving rod 2354 can be selected according to actual needs to ensure that the driving rod 2354 can be in contact with the side wall of the driving cavity 2333 at the right time when the driving member 233 rotates, and can smoothly transmit the pushing force to the bridging assembly 235. This not only improves the response speed of the circuit breaking mechanism 230, but also ensures that the bridging assembly 235 can reliably complete the circuit connection during the plug 100 insertion process, avoiding unstable connection or arc due to mechanical errors.

[0065] Further, the conducting member 2352 is tightly connected with the insulating member 2353 by injection molding, welding or riveting. The injection molding, welding or riveting ensures the tight fit of the conducting member 2352 and the insulating member 2353, and has excellent mechanical strength and electrical performance. These connection methods not only improve the assembly accuracy, but also ensure the stability of the conducting member 2352 during use, preventing electrical failure due to loose connection or poor contact.

[0066] In some embodiments, the circuit breaking mechanism 230 further comprises a driving elastic member 234. The driving elastic member 234 is arranged on the driving rod 2354 of the bridging assembly 235 and is at least partially accommodated in the driving cavity 2333. The driving elastic member 234 is compressedly abutted between the driving member 233 and the insulating member 2353, so as to cause elastic deformation of the driving elastic member 234, thereby driving the bridging assembly 235. For example, the elastic deformation can include radial arc deformation and axial compression deformation.

[0067] Specifically, the driving elastic member 234 can be a spring or similar elastic material, and its arrangement can be selected according to actual needs to ensure that appropriate elastic force can be generated in the driving cavity 2333. The two ends of the driving elastic member 234 are in contact with the driving member 233 and the insulating member 2353, respectively. When the driving elastic member 234 is compressed, the force generated by the radial bending deformation of the driving elastic member 234 can be effectively transmitted to the driving rod 2354, thereby pushing the rotation of the bridging assembly 235. Further, the bending elastic force of the driving elastic member 234 has a compensation function for pushing the bridging assembly 235 to rotate in compensation in the case of wear of the pair of moving contacts and the pair of stationary contacts.

[0068] When the driving member 233 rotates and completes the preset stroke, the side wall in the driving cavity 2333 abuts against the driving elastic member 234 and the driving rod 2354, and the pushing force is transmitted to the insulating member 2353 of the bridging assembly 235, so that the bridging assembly 235 starts to rotate, and the bending deformation direction of the driving elastic member 234 changes. The bending deformation force can ensure that the conducting member 2352 is connected to the plug-in sleeve segment 2201 and the terminal segment 2202 of the positive terminal assembly 220, thereby realizing the conduction of the circuit.

[0069] The driving elastic member 234 can ensure stable and reliable driving of the bridging assembly 235 when needed through compression and deformation force. The elastic deformation not only increases the power transmission efficiency of the circuit breaking mechanism 230, but also improves the adaptability of the circuit breaking mechanism 230 to mechanical and electrical changes during plugging, ensuring efficient operation and long-term durability of the circuit breaking mechanism 230. In addition, the deformation force of the driving elastic member 234 is less than the elastic force of the reset member 236, so as to meet the requirement that after the ground pin 110 is pulled out by a preset stroke, the reset member 236 drives the moving contact 232 and the driving member 233 to reset to the initial position.

[0070] In some embodiments, the conducting member 2352 includes a pair of moving contacts. The pair of moving contacts are respectively coupled to a pair of stationary contacts of the socket segment 2201 and the terminal segment 2202 of the socket 200, to realize the conduction and disconnection of the circuit.

[0071] Specifically, the pair of moving contacts are installed by the connection mode of the bridging assembly 235 and the base 231, and during the insertion of the plug 100, the first moving contact 2355 of the pair of moving contacts is coupled to the stationary contact 2204 of the socket segment 2201, and the second moving contact 2356 of the pair of moving contacts is in contact with the stationary contact 2205 of the terminal segment 2202. The pair of moving contacts can ensure that they can quickly and reliably connect with the stationary contacts of the socket segment 2201 and the terminal segment 2202 when the plug 100 is inserted into the socket 200, and complete the transmission of current. Further, the pair of moving contacts can be made of materials with good electrical conductivity, and can provide stable contact force after the plug 100 is inserted, to ensure that the circuit can be safely and stably conducted after the plug 100 is inserted.

[0072] Figure 9 A structure diagram of the direct current socket after the plug 100 is inserted is shown according to some embodiments of the present disclosure. As shown in Figure 9 When the plug 100 is completely inserted into the socket 200 and is in a normal working state, the pair of moving contacts remain in contact with the stationary contact 2204 of the socket segment 2201 and the stationary contact 2205 of the terminal segment 2202, so that the circuit is in a conducting state. Conversely, when the plug 100 is pulled out, the pair of moving contacts gradually disengage from the socket segment 2201 and the terminal segment 2202, so that the circuit is disconnected. The pair of moving contacts not only can ensure good contact of the contacts and reliable transmission of current, but also can quickly disconnect the circuit during plugging, to avoid the occurrence of arc or poor contact.

[0073] In addition, the shape, size and coupling manner of the pair of movable contacts with the stationary contacts 2204 of the socket segment 2201 and the stationary contacts 2205 of the terminal segment 2202 can be selected according to actual needs to ensure that they can always provide smooth and persistent contact force during the insertion and removal of the plug 100. In this way, the pair of movable contacts can effectively achieve the switching control of the circuit in the socket 200, ensuring the normal connection of the circuit and improving the reliability and safety of the DC socket.

[0074] In some embodiments, the circuit breaking mechanism 230 further comprises an arc extinguishing assembly 1311 to improve the safety of the circuit and prevent the generation of electric arc during the insertion and removal. The arc extinguishing assembly 1311 is arranged and coupled between the stationary contacts 2204 of the socket segment 2201 and the stationary contacts 2205 of the terminal segment 2202, and is used to generate a magnetic field that covers at least the conductive connection, thereby effectively suppressing or extinguishing the electric arc. For example, the arc extinguishing assembly 1311 can employ a permanent magnet. Optionally, a pair of magnetic conductors is coupled at both ends of the permanent magnet. The magnetic field generated between the pair of magnetic conductors by the permanent magnet can cover the conductive connection of the terminal segment 2202 and the socket segment 2201.

[0075] In particular, the arc extinguishing assembly 1311 can be made of a material with excellent magnetic permeability. During current transmission, especially when the circuit is disconnected, the arc extinguishing assembly 1311 can quickly generate a magnetic field acting on the conductive connection. This magnetic field can quickly distort and guide the electric arc, causing the electric arc to extinguish quickly, avoiding potential harm to equipment and users during the insertion and removal.

[0076] The working principle of the arc extinguishing assembly 1311 relies on the change of the magnetic field. When the plug 100 is removed or inserted, the conductive connection of the circuit will be disconnected or connected, and the electric arc generated under the action of the magnetic field generated by the arc extinguishing assembly 1311 is effectively suppressed. The strength and coverage of the magnetic field are selected according to the size of the current of the circuit, the speed of insertion and removal of the plug 100 and the specific needs of the circuit breaking mechanism 230, to ensure that the arc can be effectively extinguished under any electrical load.

[0077] In addition, the installation position and cooperation with the conductive connection of the arc extinguishing assembly 1311 can be arranged according to actual needs to ensure that it can effectively suppress the electric arc in the early stage of its formation, preventing the continuous existence of the electric arc from causing damage to the equipment or posing a danger. In this way, the arc extinguishing assembly 1311 can quickly eliminate the electric arc at the moment of disconnection or connection of the circuit connection, improving the electrical safety and working stability of the circuit breaking mechanism 230.

[0078] Continuing to refer to Figure 4In some embodiments, the base 231 further comprises an indicator hole 237 arranged on the top wall of the base 231 corresponding to the conducting member 2352. The indicator hole 237 is intended to provide the user with an intuitive indication of the electrical connection state, improving the user experience and safety.

[0079] Specifically, an indicator light can be arranged in the indicator hole 237, corresponding in position to the conducting member 2352. The user can determine whether the circuit of the socket 200 is in a conducting state by observing the working state of the indicator light. The indicator light can be an LED light, and its color (such as green or red) matches the state of the circuit of the socket 200. Specifically, when the conducting member 2352 is successfully connected and the circuit is conducting, the indicator light is on and can display green or other colors indicating that the circuit is normal; when the conducting member 2352 fails to connect or the circuit is in an open state, the indicator light displays red or is off to alert the user that the current circuit is not connected or there is a fault.

[0080] Further, the arrangement position of the indicator hole 237 can ensure that the user can view the state of the indicator light without opening or touching the internal structure of the socket 200.

[0081] In addition, the shape and size of the indicator hole 237 can be selected according to actual needs, and the structure of the indicator hole 237 can improve safety and meet protection requirements, avoiding the risk of external substances entering the interior of the socket 200 or causing poor contact. In this way, the circuit breaking mechanism 230 not only improves the safety of electrical connection, but also improves the overall user experience.

[0082] Continuing to refer to Figure 5 In some embodiments, the base 231 further comprises a through hole 238 arranged on the bottom wall of the base 231 corresponding to the reset member 236. The through hole 238 is used for the abutting member on the shell 210 of the socket 200 to pass through the through hole 238 and apply appropriate pressure to the reset member 236, thereby driving the reset member 236 to generate a spring force.

[0083] Specifically, the through hole 238 can cooperate with the abutting member on the shell 210 of the socket 200. The abutting member passes through the bottom wall of the base 231 through the through hole 238 and directly contacts the reset member 236, applying a certain pressure. In other words, the reset member 236 is always in a compressed state.

[0084] Further, the position and size of the through hole 238 can be arranged according to actual needs to ensure that the abutting member can pass through the through hole 238 and effectively contact the reset member 236 during installation and use of the socket 200, thereby generating the required reset pressure.

[0085] Alternatively, a protrusion may be provided inside the base 231 at the position corresponding to the reset member 236. This protrusion increases the compressive elasticity and restoring force of the reset member 236, enabling it to more quickly and effectively reset the trigger member 232 and the drive member 233 when the plug 100 is removed. The position and size of the protrusion can be arranged according to actual needs to ensure compliance with the elasticity requirements of the reset member 236 and to ensure reliability throughout the insertion and removal process, thereby improving the overall operational stability and safety of the socket 200.

[0086] In this way, the DC socket can provide stable current transmission while preventing arcing and short circuits, thus ensuring the safety and stability of the electrical connection.

[0087] Various implementations of this disclosure have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed implementations. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described implementations. The terminology used herein is chosen to best explain the principles, practical applications, or improvements to technology in the market, or to enable others skilled in the art to understand the various implementations disclosed herein.

Claims

1. A circuit breaker mechanism for a socket, characterized in that, include: The base (231) includes an insertion hole (2311) adapted to insert the ground pin (110) of the plug (100). The drive member (233) is rotatably coupled to the base (231) via the drive rotating part (2331). The bridging assembly (235) is rotatably coupled to the base (231) via the bridging rotating part (2351) and to the drive member (233). A trigger (232) is arranged at a position corresponding to the insertion hole (2311) and is adapted to be driven by the inserted ground pin (110) to move from an initial position to an energy storage position, so as to allow the ground pin (110) to drive the drive (233) to move from a disconnected position to an on position, so as to drive the bridging assembly (235) to connect the electrical connection between the socket segment and the terminal segment of the wiring assembly of the socket (200); as well as A reset member (236) is disposed between the trigger member (232) and the base (231) to store energy by being pressed against the trigger member (232) which moves from the initial position to the energy storage position. The reset member (236) is adapted to drive the trigger member (232) to reset from the energy storage position to the initial position and drive the drive member (233) to reset from the on position to the off position after the ground pin (110) has been pulled out of a preset stroke, so as to drive the bridging assembly (235) to cut off the electrical connection between the socket segment and the terminal segment.

2. The circuit breaker mechanism according to claim 1, characterized in that, The trigger (232) includes a receiving cavity (2322), and the drive (233) includes: The pressing part (2332) is arranged on the side close to the trigger (232), and the pressing part (2332) is coupled in the accommodating cavity (2322) to allow the ground pin (110) that is moved into the accommodating cavity (2322) to push and drive the drive (233) to the turn-on position.

3. The circuit breaker mechanism according to claim 1, characterized in that, The trigger (232) also includes: The inclined portion (2323) is arranged to align with the insertion hole (2311) of the base (231) and is adapted to be pushed by the ground pin (110) of the plug (100) inserted from the insertion hole (2311) to drive the trigger (232) to move from the initial position to the energy storage position.

4. The circuit breaker mechanism according to claim 2, characterized in that, The drive unit (233) also includes: The drive cavity (2333) is located on the side away from the pressing part (2332).

5. The circuit breaker mechanism according to claim 4, characterized in that, The bridging component (235) also includes: The conductor (2352) is arranged on the side away from the drive (233); and An insulating element (2353) is arranged to connect with the conductive element (2352), and the bridging rotation portion (2351) is coupled to the insulating element (2353), and the insulating element (2353) includes: The drive rod (2354) is coupled within the drive cavity (2333) and is adapted to be abutted by the side wall of the drive cavity (2333) after the drive member (233) has rotated through a preset stroke to drive the bridging assembly (235) to rotate about the bridging rotating part (2351).

6. The circuit breaker mechanism according to claim 5, characterized in that, Also includes: A drive elastic element (234) is arranged on the drive rod (2354) of the bridging assembly (235) and is at least partially housed in the drive cavity (2333). The drive elastic element (234) is compressed against the drive element (233) and the insulator (2353) to cause elastic deformation of the drive elastic element (234).

7. The circuit breaker mechanism according to claim 5, characterized in that, The conductive element (2352) includes: A pair of moving contacts adapted to be coupled to the socket segment (2201) and the terminal segment (2202), respectively.

8. The circuit breaker mechanism according to claim 7, characterized in that, Also includes: An arc-extinguishing assembly (1311) is coupled between the socket segment (2201) and the terminal segment (2202) and is adapted to generate a magnetic field that at least covers the electrical connection.

9. The circuit breaker mechanism according to any one of claims 1-8, characterized in that, The base (231) includes: A via (238) is arranged on the bottom wall of the base (231) corresponding to the reset member (236), and is adapted for an abutment on the housing (210) of the socket (200) to pass through the via (238) and press against the reset member (236).

10. A DC socket, characterized in that, include: Casing (210); The positive terminal assembly (220) includes components coupled to the housing (210) and includes a terminal segment (2202) and a socket segment (2201) that are separate from each other. The circuit breaker (230) according to any one of claims 1-9 is coupled to the housing (210), and a pair of moving contacts of the conductor (2352) of the circuit breaker (230) are arranged at positions corresponding to a pair of stationary contacts of the terminal section (2202) and the socket section (2201); and A ground terminal assembly (240) is coupled to the housing (210), and the ground terminal socket (2401) of the ground terminal assembly (240) is located in the insertion hole (2311) of the base (231). It is adapted to press the trigger (232) of the circuit breaker mechanism (230) after the ground terminal pin (110) of the plug (100) is inserted into the ground terminal socket (2401) so that the ground terminal pin (110) drives the bridging component (235) of the circuit breaker mechanism (230) to rotate during the insertion of the ground terminal socket (2401).

11. The DC socket according to claim 10, characterized in that, Also includes: The negative terminal assembly (250) is coupled to the housing (210) to form an electrical circuit with the positive terminal assembly (220) via the negative terminal assembly (250) when the plug (100) is inserted into the DC socket.

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