Relay

Abstract

A relay. The relay comprises: an actuating assembly (10); a static contact assembly (11), the static contact assembly (11) comprising at least four static contact lead-out ends (111); and a movable contact assembly (12), the movable contact assembly (12) being connected to the actuating assembly (10), and the actuating assembly (10) driving the movable contact assembly (12) to move relative to the static contact assembly (11). When the movable contact assembly (12) moves to a first position, the at least four static contact lead-out ends (111) form a plurality of independent conductive paths; and when the movable contact assembly (12) moves to a second position, the at least four static contact lead-out ends (111) form at least one conductive path.

Description

relay

[0001] This application claims priority to Chinese Patent Application No. 202411786817.6, filed on December 5, 2024, entitled “Relay”, the entire contents of which are incorporated herein by reference. Technical Field

[0002] This application belongs to the field of control switch technology, specifically relating to a relay. Background Technology

[0003] In the electrical engineering industry, relays are widely used as control devices. They have a control system (also known as an input circuit) and a controlled system (also known as an output circuit), and are typically used in automatic control circuits. A relay is essentially an "automatic switch" that uses a smaller current to control a larger current. Therefore, it plays a role in automatic adjustment, safety protection, and circuit switching in circuits.

[0004] In existing high-voltage DC relays, when it is necessary to achieve automatic switching control of multiple circuits, relays need to be arranged in the corresponding circuits, which increases the cost of using relays and requires installation and connection in multiple locations, which also increases the difficulty of relay installation layout.

[0005] Application content

[0006] The purpose of this application is to provide a relay that can solve the problems of high relay cost and difficult installation layout in existing multi-circuit automatic switching control requirements.

[0007] To solve the above-mentioned technical problems, this application is implemented as follows:

[0008] This application provides a relay, the relay comprising:

[0009] Drive components;

[0010] A stationary contact assembly, the stationary contact assembly including at least four stationary contact leads;

[0011] A moving contact assembly, which is connected to the pushing assembly, wherein the pushing assembly drives the moving contact assembly and the stationary contact assembly to move relative to the stationary contact assembly;

[0012] When the moving contact assembly moves to the first position, at least four stationary contact leads form multiple independent paths;

[0013] When the moving contact assembly moves to the second position, at least four of the stationary contact leads form at least one path.

[0014] Optionally, when the moving contact assembly moves to the first position, at least two of the four stationary contact leads are simultaneously connected to form multiple independent paths.

[0015] When the moving contact assembly moves to the second position, at least one of the four stationary contact leads is connected to one of the remaining stationary contact leads to form a path.

[0016] Optionally, the number of the pushing components is one.

[0017] Optionally, at least four of the stationary contact leads include a first stationary contact lead, a second stationary contact lead, a third stationary contact lead, and a fourth stationary contact lead.

[0018] Optionally, the first stationary contact lead-out end, the second stationary contact lead-out end, the third stationary contact lead-out end, and the fourth stationary contact lead-out end are arranged in a rectangular array, with the first stationary contact lead-out end and the third stationary contact lead-out end located on one diagonal of the rectangle, and the second stationary contact lead-out end and the fourth stationary contact lead-out end located on the other diagonal of the rectangle.

[0019] Optionally, the stationary contact assembly further includes a first stationary contact bracket and a second stationary contact bracket;

[0020] The first stationary contact bracket is electrically connected to one of the four stationary contact leads;

[0021] The second stationary contact bracket is electrically connected to one of the remaining stationary contact leads;

[0022] The first stationary contact bracket and the second stationary contact bracket are arranged opposite to each other to form a receiving space for mounting the moving contact assembly;

[0023] The moving contact assembly is located within the receiving space and moves between the first position and the second position.

[0024] Optionally, both the first stationary contact bracket and the second stationary contact bracket include a connecting part, a supporting part, and an overlapping part;

[0025] The connecting part is connected to one end of the support part, and the overlapping part is connected to the other end of the support part. The three together form a groove to accommodate the moving contact assembly.

[0026] The groove openings of the first stationary contact bracket and the second stationary contact bracket are opposite to each other to form the receiving space;

[0027] The connecting part is electrically connected to a stationary contact lead-out end, and the overlapping part is used for the moving contact assembly to abut against.

[0028] Optionally, the connecting part of the first stationary contact bracket is electrically connected to the lead-out end of the first stationary contact, and the connecting part of the second stationary contact bracket is electrically connected to the lead-out end of the third stationary contact.

[0029] The first stationary contact bracket and the second stationary contact bracket are centrally symmetrical about the center of the four stationary contact leads, and the moving contact assembly is located within the receiving space.

[0030] Optionally, the connecting part of the first stationary contact bracket is electrically connected to the third stationary contact lead-out end, and the connecting part of the second stationary contact bracket is electrically connected to the fourth stationary contact lead-out end.

[0031] The first stationary contact bracket and the second stationary contact bracket are arranged in a mirror-symmetric structure around the center of the four stationary contact leads, and the moving contact assembly is located within the receiving space.

[0032] Optionally, the moving contact assembly includes a first upper moving contact piece, a second upper moving contact piece, and a lower moving contact piece, wherein the first upper moving contact piece, the second upper moving contact piece, and the lower moving contact piece are all connected to the pushing assembly;

[0033] Along the direction of movement of the pushing component, the first upper movable contact and the lower movable contact are spaced apart, and the second upper movable contact and the lower movable contact are spaced apart;

[0034] The first upper movable contact and the second upper movable contact are spaced apart along a direction perpendicular to the movement direction of the pushing component;

[0035] When the moving contact assembly moves to the first position, the first upper moving contact piece connects two of the stationary contact leads to form a path, and the second upper moving contact piece connects the other two of the stationary contact leads to form another path.

[0036] When the moving contact assembly moves to the second position, the lower moving contact piece connects the two stationary contact leads to form a path.

[0037] Optionally, the moving contact assembly further includes an elastic component;

[0038] Along the direction of movement of the pushing component, the elastic component is disposed between the first upper movable contact piece, the second upper movable contact piece located on the upper layer, and the lower movable contact piece located on the lower layer.

[0039] Optionally, at least one of the first upper movable contact, the second upper movable contact, and the lower movable contact includes at least two sub-movable contacts arranged in parallel.

[0040] Optionally, the relay further includes a first magnetic conductor;

[0041] Along the direction of movement of the pushing component, the first magnetic conductor is provided on the side of the first upper movable contact near the static contact lead-out end and on the side of the lower movable contact away from the static contact lead-out end. The first magnetic conductor is used to resist the electric repulsive force between the movable contact and the corresponding static contact lead-out end.

[0042] Optionally, the relay further includes a second magnetic conductor;

[0043] Along the direction of movement of the pushing component, the side of the first upper moving contact away from the stationary contact lead-out end and the side of the lower moving contact near the stationary contact lead-out end are both provided with the second magnetic conductor.

[0044] The first magnetic conductor and the second magnetic conductor can form a magnetic circuit to resist the electric repulsion between the moving contact and the corresponding stationary contact lead-out end.

[0045] Optionally, the moving contact assembly includes a first moving contact piece and a second moving contact piece, both of which are connected to the pushing assembly;

[0046] The first movable contact and the second movable contact are spaced apart along a direction perpendicular to the movement direction of the pushing component;

[0047] When the moving contact assembly moves to the first position, the first moving contact piece connects two of the stationary contact leads to form a path, and the second moving contact piece connects the other two stationary contact leads to form another path.

[0048] When the moving contact assembly moves to the second position, the first moving contact piece and the second moving contact piece connect the two leads of the stationary contacts to form a path.

[0049] Optionally, at least one of the first movable contact and the second movable contact includes at least two sub-movable contacts arranged in parallel.

[0050] Optionally, the relay further includes a first magnetic conductor;

[0051] Along the direction of movement of the pushing component, the first moving contact piece near the stationary contact lead-out end and the second moving contact piece near the stationary contact lead-out end are both provided with the first magnetic conductor. The first magnetic conductor is used to resist the electric repulsive force between the moving contact piece and the corresponding stationary contact lead-out end.

[0052] Optionally, the relay further includes a second magnetic conductor;

[0053] Along the direction of movement of the pushing component, the side of the first moving contact away from the stationary contact lead-out end and the side of the second moving contact away from the stationary contact lead-out end are both provided with the second magnetic conductor. The first magnetic conductor and the second magnetic conductor can form a magnetic circuit to resist the electric repulsion between the moving contact and the corresponding stationary contact lead-out end.

[0054] Optionally, each of the stationary contact leads includes a load connection portion and a contact portion, wherein the load connection portion and the contact portion are integrated into one unit;

[0055] Each of the contact points is disposed near the moving contact assembly for contacting or disconnecting from the moving contact assembly;

[0056] Each of the load connection portions is disposed away from the moving contact assembly and is used for electrical connection with a load circuit external to the relay.

[0057] Optionally, when the moving contact assembly moves to the third position, the moving contact assembly is disconnected from either of the stationary contact leads.

[0058] Optionally, the relay further includes a coil, and the actuating assembly includes an actuating rod;

[0059] The push rod is movably inserted into the cavity of the coil, and the coil is used to drive the push rod to move the moving contact assembly.

[0060] Optionally, the moving contact assembly is connected to one end of the push rod, and the relay further includes a moving iron core, which is movably disposed in the cavity of the coil and connected to the other end of the push rod. The length direction of the moving contact piece in the moving contact assembly is perpendicular to the movement direction of the push rod, and the push rod drives the moving contact assembly to move linearly relative to the stationary contact assembly along the axial direction of the push rod.

[0061] Optionally, the number of stationary contact leads is M, and the total number of paths formed by at least four stationary contact leads is N, where N>M / 2.

[0062] Optionally, in the direction of movement of the pushing component, all the stationary contact leads are located on the same side of the pushing component.

[0063] In this embodiment, the stationary contact assembly includes at least four stationary contact leads spaced apart from each other, and the moving contact assembly is connected to the pushing assembly. By driving the moving contact assembly to two different positions through the pushing assembly, multiple independent paths or a single path can be formed respectively. When multiple independent paths are formed, control of multiple load devices or multiple load circuits can be achieved. Therefore, the relay in this embodiment can switch between different operating modes, which helps to reduce the cost of relay use and the complexity of installation layout.

[0064] In addition, the relays in other embodiments of this application also have the following advantages: 1) While using the stationary contact bracket to construct a contact and conduction structure between the stationary contact lead-out end and the moving contact assembly, it also provides space for the moving contact assembly to move, which can improve the internal space utilization of the relay and help with miniaturization design; 2) By setting an elastic component between the upper and lower moving contact pieces, the contact pressure between the moving contact assembly and the stationary contact lead-out end can be increased in both the first and second positions, which helps to ensure the stability and reliability of the circuit inside the relay; 3) The moving contact piece adopts a design of at least two sub-moving contact pieces arranged and assembled in parallel, which also helps to reduce the power consumption of the relay; 4) By setting a fixed 5) By setting a movable second magnetic component, a closed magnetic circuit can be formed with the first magnetic component, increasing the magnetic attraction and further enhancing the relay's short-circuit resistance; 6) All stationary contact leads are concentrated at the same end, which can reduce the space occupied by the relay and is more conducive to miniaturization design; 7) The moving contact assembly can also move to a third position, so that the relay can control the load circuit to cut off the power; 8) The relay can form a circuit by relying on two overlapping contact relationships inside, with fewer contact parts and a simpler structure, which is also conducive to the miniaturization of the relay. Attached Figure Description

[0065] Figure 1 is an exploded view of a relay structure according to an embodiment of this application;

[0066] Figure 2 is an exploded view of the internal components of a relay structure according to an embodiment of this application;

[0067] Figure 3 is a schematic diagram of the assembly of the internal components shown in Figure 2 according to an embodiment of this application;

[0068] Figure 4 is a schematic diagram of the formation of multiple paths by the six stationary contact leads in an embodiment of this application;

[0069] Figure 5a is a first schematic diagram of six stationary contact leads forming a path according to an embodiment of this application;

[0070] Figure 5b is a second schematic diagram of six stationary contact leads forming a path according to an embodiment of this application;

[0071] Figure 5c is a third schematic diagram of six stationary contact leads forming a path according to an embodiment of this application.

[0072] Figure 6 is a schematic diagram of two paths formed by the four stationary contact leads in an embodiment of this application;

[0073] Figure 7 is a schematic diagram of four stationary contact leads forming a path according to an embodiment of this application;

[0074] Figure 8 is a schematic diagram of the two stationary contact supports of this application having a centrally symmetrical structure;

[0075] Figure 9 is a schematic diagram of two static contact brackets with a mirror-symmetrical structure according to an embodiment of this application;

[0076] Figure 10 is a schematic diagram of the structure shown in Figure 8 of an embodiment of this application, which forms two pathways;

[0077] Figure 11 is a schematic diagram of the structure shown in Figure 8 of an embodiment of this application forming a pathway;

[0078] Figure 12 is a schematic diagram of the structure shown in Figure 9 of an embodiment of this application, which forms two pathways;

[0079] Figure 13 is a schematic diagram of the structure shown in Figure 9 of an embodiment of this application forming a pathway;

[0080] Figure 14 is a schematic diagram of the elastic component acting on the second upper movable contact piece according to an embodiment of this application;

[0081] Figure 15 is a schematic diagram of the elastic component acting on the lower movable contact piece according to an embodiment of this application;

[0082] Figure 16 is a schematic diagram of a relay with a magnetic conductor according to an embodiment of this application;

[0083] Figure 17 is a schematic diagram showing the formation of two paths when the moving contact assembly of this application is a single-layer moving contact sheet structure;

[0084] Figure 18 is a schematic diagram of a path formed when the moving contact assembly of this application is a single-layer moving contact sheet structure;

[0085] Figure 19 is a schematic diagram of at least one of the first and second movable contacts in an embodiment of this application, including two sub-movable contacts.

[0086] Reference numerals: Drive system-2, Actuating assembly-10, Stationary contact assembly-11, Stationary contact lead-out-111, First stationary contact lead-out-111a, Second stationary contact lead-out-111b, Third stationary contact lead-out-111c, Fourth stationary contact lead-out-111d, Fifth stationary contact lead-out-111e, Sixth stationary contact lead-out-111f, Load connection part-1111, Contact part-1112, First Stationary contact bracket-112, second stationary contact bracket-113, connecting part-11a, supporting part-11b, overlapping part-11c, moving contact assembly-12, first upper moving contact piece-121, second upper moving contact piece-122, lower moving contact piece-123, elastic component-124, first moving contact piece-125, second moving contact piece-126, first magnetic conductor-13, second magnetic conductor-14, plastic housing-30. Specific Implementation

[0087] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0088] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0089] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0090] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0091] The relays provided in the embodiments of this application will be described in detail below with reference to the accompanying drawings, through specific embodiments and application scenarios.

[0092] Referring to Figures 1 to 5, a schematic diagram of the structure of a relay according to an embodiment of this application is shown. The relay includes:

[0093] Drive component 10;

[0094] A stationary contact assembly 11, the stationary contact assembly 11 including at least four stationary contact leads 111;

[0095] A moving contact assembly 12 is connected to the pushing assembly 10, and the pushing assembly 10 drives the stationary contact assembly of the moving contact assembly 12 to move relative to the stationary contact assembly 11.

[0096] When the moving contact assembly 12 moves to the first position, at least four of the stationary contact leads 111 form multiple independent paths; when the moving contact assembly 12 moves to the second position, at least four of the stationary contact leads 111 form at least one path.

[0097] Figure 1 shows an exploded view of the structure of a relay according to an embodiment of this application. In Figure 1, the push assembly 10, the stationary contact assembly 11, and the moving contact assembly 12 (see Figures 2 and 3) are assembled together to form the relay's on / off system. The push assembly 10 can be driven by the driving force output by the drive system 2, thereby causing the moving contact assembly 12 to move relative to the stationary contact assembly 11, thus realizing the on / off control of the relay. It should be noted that the driving force output by the drive system 2 can be an electromagnetic force directly generated by the principle of electromagnetic induction or a force generated by mechanical motion. For example, the electromagnetic force can be the electromagnetic force generated by a coil, and the force generated by mechanical motion can be the force generated by a device that converts electrical energy into mechanical energy. This application embodiment does not limit the structure of the drive system 2 or the type of driving force. It is easy to understand that when the push assembly 10 drives the moving contact assembly 12 to contact the stationary contact assembly 11, the relay is in a conducting state; when the push assembly 10 drives the moving contact assembly 12 to separate from the stationary contact assembly 11, the relay is in a disconnected state. The actuating component 10, the stationary contact component 11, and the moving contact component 12 can all be installed inside the plastic housing 30, which protects these components. Of course, the plastic housing 30 also serves as a support or bracket structure for mounting and fixing these components.

[0098] The stationary contact assembly 11 in this embodiment can be a metal contact structure that remains relatively stationary and fixed to the plastic housing 30. Specifically, it can include no less than four stationary contact leads 111 spaced apart from each other. The stationary contact leads 111 are terminals for connecting the load. When the moving contact assembly 12 is not in contact with the stationary contact leads 111, at least four stationary contact leads 111 are mutually insulated and disconnected. Thus, when two stationary contact leads 111 in the same load circuit are connected to the moving contact assembly 12, the load circuit is connected.

[0099] The moving contact assembly 12 is connected to the pushing assembly 10. When the pushing assembly 10 is driven by the driving system 2, the pushing assembly 10 correspondingly drives the moving contact assembly 12 to move, causing the moving contact assembly 12 to move closer to or further away from the stationary contact assembly 11. In this embodiment, the moving contact assembly 12 can move and remain in at least two different positions: a first position and a second position. When the moving contact assembly 12 moves to the first position, at least four stationary contact leads 111 form multiple independent paths. At this time, each independent path can control a load device. In this condition, multiple load devices or multiple load circuits can be controlled using a single relay. When the moving contact assembly 12 moves to the second position, at least four stationary contact leads 111 form at least one path. In this condition, at least one load circuit can be controlled using a single relay. It is understood that when the moving contact assembly 12 moves to the second position, if there are two or more paths formed, the paths can be electrically connected or independently disconnected, depending on whether the corresponding moving contact assembly 12 conducts each path. This application embodiment does not limit this.

[0100] It should be noted that Figure 2 shows an exploded view of a switching system according to an embodiment of this application. The relay shown in Figure 2 has four stationary contact leads 111, and Figure 3 is an assembly diagram corresponding to Figure 2. When the pushing assembly 10 moves the moving contact assembly 12 upward along the Z direction as shown in the figure to the first position, the four stationary contact leads 111 can form two independent paths. When the pushing assembly 10 moves the moving contact assembly 12 downward along the Z direction as shown in the figure to the second position, the four stationary contact leads 111 can form one path.

[0101] In addition, Figure 4 shows a schematic diagram of the six stationary contact leads 111 forming three independent paths, namely, path L1 formed by the first stationary contact lead 111a and the second stationary contact lead 111b, path L2 formed by the third stationary contact lead 111c and the fourth stationary contact lead 111d, and path L3 formed by the fifth stationary contact lead 111e and the sixth stationary contact lead 111f.

[0102] Figures 5a and 5c also show schematic diagrams of six stationary contact leads 111 forming a path, which can be a path formed between the first stationary contact lead 111a, the third stationary contact lead 111c, the fifth stationary contact lead 111e, and any other stationary contact lead. For example, as shown in Figure 5a, when one stationary contact lead 111 of the passive contact assembly 12 is the first stationary contact lead 111a, the other stationary contact lead 111 of the moving contact assembly 12 can be the second stationary contact lead 111b, the third stationary contact lead 111c, the fourth stationary contact lead 111d, the fifth stationary contact lead 111e, or the sixth stationary contact lead 111f. In this case, the relay forms a path including five different conduction connection schemes, and a path is any one of S1, S2, S3, S4, and S5 shown in Figure 5a. As shown in Figure 5b, when one stationary contact lead-out 111 of the passive contact assembly 12 is the third stationary contact lead-out 111c, the other stationary contact lead-out 111 of the moving contact assembly 12 can be the second stationary contact lead-out 111b, the fourth stationary contact lead-out 111d, the fifth stationary contact lead-out 111e, or the sixth stationary contact lead-out 111f. In this case, when the relay forms a circuit, it includes four different conduction connection schemes. A circuit is any one of S6, S7, S8, and S9 shown in Figure 5b. As shown in Figure 5c, when one stationary contact lead-out 111 of the passive contact assembly 12 is the fifth stationary contact lead-out 111e, the other stationary contact lead-out 111 of the moving contact assembly 12 can be the second stationary contact lead-out 111b, the fourth stationary contact lead-out 111d, or the sixth stationary contact lead-out 111f. In this case, when the relay forms a circuit, it includes three different conduction connection schemes. A circuit is any one of S10, S11, and S12 shown in Figure 5c.

[0103] Therefore, in the relay of this application embodiment, the stationary contact assembly 11 includes at least four stationary contact leads 111 spaced apart from each other, and the moving contact assembly 12 is connected to the pushing assembly 10. By driving the moving contact assembly 12 to two different positions through the pushing assembly 10, multiple independent paths or at least one path can be formed respectively. When multiple independent paths are formed, control of multiple load devices or multiple load circuits can be realized. Therefore, the relay of this application embodiment can realize the switching of different operating modes, which helps to reduce the cost of using the relay and reduce the complexity of the installation layout.

[0104] Optionally, referring to Figures 4 to 7, when the moving contact assembly 12 moves to the first position, at least two of the four stationary contact leads 111 are simultaneously connected to form multiple independent paths.

[0105] When the moving contact assembly 12 moves to the second position, one of the at least four stationary contact leads 111 becomes connected to one of the remaining stationary contact leads 111 to form a path.

[0106] Specifically, as shown in Figures 6 and 7, in one embodiment, when there are four stationary contact leads 111, they may include a first stationary contact lead 111a, a second stationary contact lead 111b, a third stationary contact lead 111c, and a fourth stationary contact lead 111d. When the moving contact assembly 12 moves to the first position, the first stationary contact lead 111a and the second stationary contact lead 111b are connected to form a first path, and the third stationary contact lead 111c and the fourth stationary contact lead 111d are connected to form a second path. When the moving contact assembly 12 moves to the second position, the first stationary contact lead 111a can be connected to one of the remaining second stationary contact leads 111b, third stationary contact lead 111c, and fourth stationary contact lead 111d to form a path.

[0107] As shown in Figures 4 to 5c, in one embodiment, when there are six stationary contact leads 111, they may specifically include a first stationary contact lead 111a, a second stationary contact lead 111b, a third stationary contact lead 111c, a fourth stationary contact lead 111d, a fifth stationary contact lead 111e, and a sixth stationary contact lead 111f. When the moving contact assembly 12 moves to the first position, the first stationary contact lead 111a and the second stationary contact lead 111b are connected to form a first path, the third stationary contact lead 111c and the fourth stationary contact lead 111d are connected to form a second path, and the fifth stationary contact lead 111e and the sixth stationary contact lead 111f are connected to form a third path. When the moving contact assembly 12 moves to the second position, the first stationary contact lead-out end 111a can form a circuit with one of the remaining second stationary contact lead-out ends 111b, third stationary contact lead-out ends 111c, fourth stationary contact lead-out ends 111d, fifth stationary contact lead-out ends 111e, and sixth stationary contact lead-out ends 111f.

[0108] Referring to the diagrams in Figures 4 to 7, it can be seen that regardless of the number of stationary contact leads 111, when multiple independent paths are formed in the relay, every two stationary contact leads 111 are in the same path. Correspondingly, the two stationary contact leads 111 forming this path will not appear repeatedly in other paths. When the number of stationary contact leads 111 is even greater, the relay can form multiple independent paths or a single path according to the above connection relationship, which will not be further described in the embodiments of this application.

[0109] Optionally, referring to FIG2, the number of the pushing components 10 is one.

[0110] Specifically, in one embodiment, the relay of this application can use a single push component 10 to drive the moving contact component 12 to move in two opposite directions, thereby reaching a first position and a second position. Compared to using more push components 10, this relay product utilizes only one push component 10, which helps to achieve miniaturization of the relay and facilitates its installation and use in confined spaces. Furthermore, it should be noted that in other embodiments, two or more push components 10 can be used, connected one-to-one with the same number of moving contact components 12, and each can independently drive the movement of the moving contact component 12, thereby achieving more flexible control of the moving contact component 12.

[0111] Optionally, referring to Figures 2 and 3, at least four of the stationary contact leads 111 include a first stationary contact lead 111a, a second stationary contact lead 111b, a third stationary contact lead 111c, and a fourth stationary contact lead 111d.

[0112] Specifically, in one embodiment, as illustrated in Figures 2 and 3, the relay of this application embodiment, when having four stationary contact leads 111, may specifically include a first stationary contact lead 111a, a second stationary contact lead 111b, a third stationary contact lead 111c, and a fourth stationary contact lead 111d. Based on the foregoing description of the embodiments, it is readily understood that a relay with this structure can operate with two independent paths or switch to operating with one path, making it suitable for automated control scenarios involving switching between two independent load circuits and a single load circuit. When used in two independent load circuits, it can save the cost of using one relay.

[0113] Optionally, referring to Figures 2 and 3, the first stationary contact lead-out end 111a, the second stationary contact lead-out end 111b, the third stationary contact lead-out end 111c, and the fourth stationary contact lead-out end 111d are arranged in a rectangular array. The first stationary contact lead-out end 111a and the third stationary contact lead-out end 111c are located on one diagonal of the rectangle, and the second stationary contact lead-out end 111b and the fourth stationary contact lead-out end 111d are located on the other diagonal of the rectangle.

[0114] Specifically, in one embodiment, as illustrated in Figures 2 and 3, in the relay of this application embodiment, when the number of stationary contact leads 111 is four, the first stationary contact lead 111a, the second stationary contact lead 111b, the third stationary contact lead 111c, and the fourth stationary contact lead 111d form a rectangular shape, each located at a right angle of the rectangle. The line connecting the first stationary contact lead 111a and the third stationary contact lead 111c forms a diagonal, and the line connecting the second stationary contact lead 111b and the fourth stationary contact lead 111d forms another diagonal. This arrangement of the stationary contact leads 111 helps improve the integration and compactness of the relay, and is beneficial for reducing the size and volume of the relay.

[0115] Optionally, referring to Figures 2 and 3, the stationary contact assembly 11 further includes a first stationary contact support 112 and a second stationary contact support 113;

[0116] The first stationary contact bracket 112 is electrically connected to one of the four stationary contact leads 111;

[0117] The second stationary contact bracket 113 is electrically connected to one of the remaining stationary contact leads 111;

[0118] The first stationary contact bracket 112 and the second stationary contact bracket 113 are arranged opposite to each other to form a receiving space for mounting the moving contact assembly 12;

[0119] The movable contact assembly 12 is located within the receiving space and moves between the first position and the second position.

[0120] Specifically, in one embodiment, as illustrated in Figures 2 and 3, taking the four stationary contact leads 111 as an example, the relay of this application embodiment further includes a first stationary contact bracket 112 and a second stationary contact bracket 113. Both stationary contact brackets are conductors, used to establish a conductive structure between the moving contact assembly 12 and the stationary contact assembly 11. The first stationary contact bracket 112 is electrically connected to one of the four stationary contact leads 111, and the second stationary contact bracket 113 is electrically connected to one of the remaining stationary contact leads 111. The two stationary contact brackets are arranged relatively at intervals, and the empty portion in the middle can be used to install and accommodate the moving contact assembly 12.

[0121] When the moving contact assembly 12 moves to the first position within the receiving space formed by the first stationary contact bracket 112 and the second stationary contact bracket 113, the first stationary contact bracket 112 and the second stationary contact bracket 113 are in the disconnected state, and the two stationary contact lead-out ends 111 can be connected to form two independent paths.

[0122] When the moving contact assembly 12 moves to the second position within the receiving space formed by the first stationary contact bracket 112 and the second stationary contact bracket 113, the first stationary contact bracket 112 and the second stationary contact bracket 113 are in a conductive state, which can connect the two stationary contact leads 111 connected by the first stationary contact bracket 112 and the second stationary contact bracket 113 to form an independent path.

[0123] Optionally, referring to Figure 8 or Figure 9, both the first stationary contact bracket 112 and the second stationary contact bracket 113 include a connecting part 11a, a supporting part 11b, and an overlapping part 11c.

[0124] The connecting part 11a is connected to one end of the supporting part 11b, and the overlapping part 11c is connected to the other end of the supporting part 11b. The three together form a groove to accommodate the moving contact assembly 12.

[0125] The groove openings of the first stationary contact bracket 112 and the second stationary contact bracket 113 are opposite to each other to form the receiving space;

[0126] The connecting part 11a is electrically connected to a stationary contact lead-out end 111, and the overlapping part 11c is used for the moving contact assembly 12 to abut against.

[0127] Specifically, in one embodiment, the first stationary contact bracket 112 and the second stationary contact bracket 113 can be parts with the same structural shape made of metal parts through the same stamping and bending process, which can reduce the processing steps of the stationary contact bracket and improve manufacturing efficiency.

[0128] As shown in Figure 8 or Figure 9, any stationary contact bracket may include a connecting portion 11a, a supporting portion 11b, and an overlapping portion 11c. The supporting portion 11b is located between the connecting portion 11a and the overlapping portion 11c. One end of the supporting portion 11b is connected to the connecting portion 11a, and the other end of the supporting portion 11b is connected to the overlapping portion 11c. The connecting portion 11a is bent at a 90-degree angle relative to the supporting portion 11b, and the overlapping portion 11c is bent at a 90-degree angle relative to the supporting portion 11b. The three parts are connected as a whole to form a U-shaped part. The groove formed by the three parts is used to accommodate the moving contact assembly 12.

[0129] Referring to the illustrations in Figure 8 or Figure 9, when the stationary contact bracket is connected to the stationary contact lead-out end 111, the connecting part 11a can be welded or riveted to the bottom of a stationary contact lead-out end 111, the supporting part 11b extends along the Z direction shown in the figure and is parallel to the axis of the stationary contact lead-out end 111, and the overlapping part 11c is located opposite to the connecting part 11a and can abut against it when the moving contact assembly 12 moves downward.

[0130] Thus, the groove openings of the first stationary contact bracket 112 and the second stationary contact bracket 113 form a receiving space. When the moving contact assembly 12 moves upward along the Z direction to the first position in the receiving space, the four stationary contact leads 111 can form two independent paths. When the moving contact assembly 12 moves downward along the Z direction to the second position in the receiving space, the four stationary contact leads 111 can form one path.

[0131] Optionally, referring to Figures 8, 10 and 11, the connecting portion 11a of the first stationary contact bracket 112 is electrically connected to the first stationary contact lead-out end 111a, and the connecting portion 11a of the second stationary contact bracket 113 is electrically connected to the third stationary contact lead-out end 111c.

[0132] The first stationary contact bracket 112 and the second stationary contact bracket 113 are centrally symmetrical about the center of the four stationary contact leads 111, and the moving contact assembly 12 is located within the receiving space.

[0133] Specifically, in one embodiment, as shown in Figures 8, 10, and 11, the connecting portion 11a of the first stationary contact bracket 112 is electrically connected to the first stationary contact lead-out end 111a, and the overlapping portion 11c of the first stationary contact bracket 112 extends below the fourth stationary contact lead-out end 111d. The connecting portion 11a of the second stationary contact bracket 113 is electrically connected to the third stationary contact lead-out end 111c, and the overlapping portion 11c of the second stationary contact bracket 113 extends below the second stationary contact lead-out end 111b. In this case, the first stationary contact bracket 112 and the second stationary contact bracket 113 have a centrally symmetrical structure around the center of the four stationary contact leads-out ends 111.

[0134] Optionally, referring to Figures 9, 12 and 13, the connecting portion 11a of the first stationary contact bracket 112 is electrically connected to the third stationary contact lead-out end 111c, and the connecting portion 11a of the second stationary contact bracket 113 is electrically connected to the fourth stationary contact lead-out end 111d.

[0135] The first stationary contact bracket 112 and the second stationary contact bracket 113 are arranged in a mirror-symmetric structure around the center of the four stationary contact leads 111, and the moving contact assembly 12 is located within the receiving space.

[0136] Specifically, in one embodiment, the first stationary contact bracket 112 and the second stationary contact bracket 113 can also be connected to the stationary contact lead-out terminal 111 as shown in Figures 9, 12, and 13. The connecting portion 11a of the first stationary contact bracket 112 is electrically connected to the third stationary contact lead-out terminal 111c, and the connecting portion 11a of the second stationary contact bracket 113 is electrically connected to the fourth stationary contact lead-out terminal 111d. In this case, the extension length of the overlapping portion 11c along the length direction X of the groove depends on the size of the moving contact assembly 12 in the X direction, ensuring that the moving contact assembly 12 is fully in contact with the overlapping portion 11c in the X direction. At this time, the first stationary contact bracket 112 and the second stationary contact bracket 113 have a mirror-symmetrical structure around the center of the four stationary contact lead-out terminals 111.

[0137] It should be noted that in this embodiment of the application, the first stationary contact bracket 112 and the second stationary contact bracket 113 adopt a centrally symmetrical structure or a mirror symmetrical structure, and the corresponding moving contact assembly 12 structure can be designed respectively to meet the structural requirements under different automation control scenarios, so as to better match and adapt to the installation environment.

[0138] Optionally, referring to Figures 10 to 13, the moving contact assembly 12 includes a first upper moving contact piece 121, a second upper moving contact piece 122, and a lower moving contact piece 123, all of which are connected to the pushing assembly 10.

[0139] Along the movement direction of the pushing component 10, the first upper movable contact 121 and the lower movable contact 123 are spaced apart, and the second upper movable contact 122 and the lower movable contact 123 are spaced apart;

[0140] Along a direction perpendicular to the movement direction of the pushing component 10, the first upper movable contact 121 and the second upper movable contact 122 are spaced apart;

[0141] When the moving contact assembly 12 moves to the first position, the first upper moving contact piece 121 conducts two of the stationary contact lead-out ends 111 to form a path, and the second upper moving contact piece 122 conducts the other two of the stationary contact lead-out ends 111 to form another path.

[0142] When the moving contact assembly 12 moves to the second position, the lower moving contact piece 123 connects two of the stationary contact lead-out ends 111 to form a path.

[0143] Specifically, in one embodiment, referring to the illustrations in Figures 11 to 13, the moving contact assembly 12 of this application embodiment can be an assembly formed by two layers of moving contact pieces, specifically including a first upper moving contact piece 121 and a second upper moving contact piece 122 located on the upper layer, and a lower moving contact piece 123 located on the lower layer. It should be noted that the upper and lower positions in this application embodiment are referenced to the Z-direction of the movement direction of the pushing assembly 10. Along the Z-direction of the movement direction of the pushing assembly 10, the part closer to the stationary contact lead-out end 111 is the upper position, and the part farther away from the stationary contact lead-out end 111 is the lower position.

[0144] The first upper movable contact 121 and the second upper movable contact 122 are located on the same layer and are both connected to the push assembly 10. The lower movable contact 123 is stacked on top of the first upper movable contact 121 and the second upper movable contact 122 and is also connected to the push assembly 10. Furthermore, the first upper movable contact 121 and the second upper movable contact 122 on the upper layer are spaced apart from each other.

[0145] As shown in Figure 10, when the moving contact assembly 12 moves upward to the first position, the first upper moving contact 121 can connect the first stationary contact lead-out end 111a and the second stationary contact lead-out end 111b to form a first path. At the same time, the second upper moving contact 122 can connect the third stationary contact lead-out end 111c and the fourth stationary contact lead-out end 111d to form a second path.

[0146] As shown in Figure 11, when the moving contact assembly 12 moves downward to the second position, the first upper moving contact 121 and the second upper moving contact 122 separate from the upper stationary contact lead-out end 111, and the lower moving contact 123 can connect the first stationary contact lead-out end 111a and the third stationary contact lead-out end 111c to form a path.

[0147] As shown in Figure 12, when the moving contact assembly 12 moves upward to the first position, the first upper moving contact 121 can connect the first stationary contact lead-out end 111a and the fourth stationary contact lead-out end 111d to form a first path. At the same time, the second upper moving contact 122 can connect the second stationary contact lead-out end 111b and the third stationary contact lead-out end 111c to form a second path.

[0148] As shown in Figure 13, when the moving contact assembly 12 moves downward to the second position, the first upper moving contact 121 and the second upper moving contact 122 separate from the upper stationary contact lead-out end 111, and the lower moving contact 123 can connect the third stationary contact lead-out end 111c and the fourth stationary contact lead-out end 111d to form a path.

[0149] It should be noted that in the relays illustrated in Figures 10 and 12, when the moving contact assembly 12 moves upward to the first position, either the first upper moving contact piece 121 or the second upper moving contact piece 122 can directly or indirectly connect the corresponding two stationary contact leads 111. Taking the first upper moving contact piece 121 as an example, direct connection means that the stationary contact lead connected to the stationary contact bracket can extend from the through hole on the stationary contact bracket, and both ends of the first upper moving contact piece 121 directly contact the corresponding stationary contact lead 111. Indirect connection means that one end of the first upper moving contact piece 121 contacts the corresponding stationary contact bracket, and the other end contacts another stationary contact lead 111, thereby indirectly connecting the two stationary contact leads 111. Optionally, referring to Figures 3, 14, and 15, the moving contact assembly 12 further includes an elastic component 124;

[0150] Along the direction of movement of the pushing component 10, the elastic component 124 is disposed between the first upper movable contact 121 and the second upper movable contact 122 located on the upper layer and the lower movable contact 123 located on the lower layer.

[0151] Specifically, in one embodiment, referring to the schematic diagram in FIG3, the moving contact assembly 12 in the relay of this application embodiment may further include an elastic component 124. The elastic component 124 is not limited to a compression spring or a spring with elasticity. The elastic component 124 is disposed between the upper and lower moving contact pieces. The elastic force generated forces the upper and lower moving contact pieces to tend to move away from each other. When the moving contact assembly 12 moves to the first position, the elastic component 124 is further compressed, increasing the contact pressure between the first upper moving contact piece 121, the second upper moving contact piece 122 and the stationary contact support. When the moving contact assembly 12 moves to the second position, the elastic component 124 is further compressed, increasing the contact pressure between the lower moving contact piece 122 and the stationary contact support, which can make the path formed by the stationary contact lead-out end 111 stable and reliable. FIG14 shows a schematic diagram of the elastic component 124 acting on the second upper moving contact piece 122, and FIG15 shows a schematic diagram of the elastic component 124 acting on the lower moving contact piece 123. Specifically, since the first upper movable contact 121 and the second upper movable contact 122 are spaced apart from each other, a set of elastic components 124 is provided between the first upper movable contact 121 and the lower movable contact 123 below it, and another set of elastic components 124 is provided between the second upper movable contact 122 and the lower movable contact 123 below it. The two sets of elastic components 124 can respectively ensure that the first upper movable contact 121 and the second upper movable contact 122 are in close and reliable contact with the stationary contact support. Of course, in some embodiments, the elastic components 124 can also be a whole, providing elastic preload to the first upper movable contact 121 and the second upper movable contact 122 at the same time to increase the contact pressure.

[0152] Optionally, referring to Figure 2, Figure 11, or Figure 13, at least one of the first upper movable contact 121, the second upper movable contact 122, and the lower movable contact 123 includes at least two sub-movable contacts arranged in parallel.

[0153] Specifically, as shown in Figure 2, Figure 11, or Figure 13, in the relay of this application embodiment, any one of the moving contacts—whether it be the first upper moving contact 121, the second upper moving contact 122, or the lower moving contact 123—can be composed of two or more sub-moving contacts arranged side-by-side and assembled together. This reduces the contact resistance of the moving contacts, decreases power consumption, and makes the relay more energy-efficient. Furthermore, it can be understood that in the relay of this application embodiment, any one of the first upper moving contact 121, the second upper moving contact 122, or the lower moving contact 123 can also be a single sub-moving contact structure as shown in Figure 12, to reduce material consumption.

[0154] Optionally, referring to FIG16, the relay further includes a first magnetic conductor 13;

[0155] Along the direction of movement of the pushing component 10, the first upper movable contact 121 is provided with a first magnetic conductor 13 on the side close to the stationary contact lead-out end 111, and the lower movable contact 123 is provided with a first magnetic conductor 13 on the side away from the stationary contact lead-out end 111. The first magnetic conductor 13 is used to resist the electric repulsive force between the movable contact and the corresponding stationary contact lead-out end 111.

[0156] Specifically, as shown in Figure 16, the relay in this embodiment further includes a first magnetic conductor 13, which may include multiple magnetic sheets. Along the Z-direction of movement of the pushing assembly 10, a portion of the first magnetic conductor 13 is mounted on the side of the first upper moving contact 121 near the stationary contact lead-out end 111, and another portion of the first magnetic conductor 13 is mounted on the side of the lower moving contact 123 away from the stationary contact lead-out end 111. Both portions of the first magnetic conductor 13 remain stationary. When the moving contact assembly 12 moves upward to the first position, the upper first magnetic conductor 13 resists the electro-repulsive force between the first upper moving contact 121, the second upper moving contact 122, and the stationary contact lead-out end 111. When the moving contact assembly 12 moves downward to the second position, the lower first magnetic conductor 13 resists the electro-repulsive force between the lower moving contact 123 and the stationary contact lead-out end 111. Therefore, in the relay of this application embodiment, in both the first position and the second position, the contact tightness between the moving contact and the stationary contact lead-out terminal 111 can be improved by the stationary first magnetic conductor 13, so as to avoid the electric repulsion force caused by the short circuit current from separating the two.

[0157] Optionally, referring to FIG16, the relay further includes a second magnetic conductor 14;

[0158] Along the direction of movement of the pushing component 10, the first upper movable contact 121 on the side away from the stationary contact lead-out end 111 and the lower movable contact 123 on the side close to the stationary contact lead-out end 111 are both provided with the second magnetic conductor 14.

[0159] The first magnetic conductor 13 and the second magnetic conductor 14 can form a magnetic circuit to resist the electric repulsion between the moving contact and the corresponding stationary contact lead-out terminal 111.

[0160] Specifically, as shown in FIG16, the relay in this embodiment of the application further includes a second magnetic conductor 14. The second magnetic conductor 14 may be a U-shaped magnetic sheet.

[0161] Along the Z-direction of movement of the push assembly 10, a portion of the second magnetic conductor 14 is installed on the side of the first upper moving contact 121 away from the stationary contact lead-out end 111. Thus, when the moving contact assembly 12 moves upward to the first position, the upper first magnetic conductor 13 and the portion of the second magnetic conductor 14 can form a closed magnetic loop, which can more stably and reliably hold the moving contact assembly 12 in the first position.

[0162] Along the Z-direction of movement of the push assembly 10, another part of the second magnetic conductor 14 is installed on one side of the stationary contact lead-out end 111 of the lower moving contact piece 123. Thus, when the moving contact assembly 12 moves downward to the second position, the lower first magnetic conductor 13 and this part of the second magnetic conductor 14 can form a closed magnetic loop, which can more stably and reliably hold the moving contact assembly 12 in the second position.

[0163] Therefore, in the relay of this application embodiment, in both the first and second positions, a magnetic circuit can be formed by the first magnetic conductor 13 and the second magnetic conductor 14 to generate a magnetic attraction force along the contact pressure direction, so as to resist the electric repulsion force between the moving contact piece and the corresponding stationary contact lead-out terminal 111.

[0164] Optionally, referring to Figures 17 and 18, the moving contact assembly 12 includes a first moving contact piece 125 and a second moving contact piece 126, both of which are connected to the pushing assembly 10;

[0165] The first movable contact 125 and the second movable contact 126 are spaced apart along a direction perpendicular to the movement direction of the pushing component 10;

[0166] When the moving contact assembly 12 moves to the first position, the first moving contact piece 125 conducts two of the stationary contact lead-out ends 111 to form a path, and the second moving contact piece 126 conducts the other two of the stationary contact lead-out ends 111 to form another path.

[0167] When the moving contact assembly 12 moves to the second position, the first moving contact piece 125 and the second moving contact piece 126 connect two of the stationary contact lead-out ends 111 to form a path.

[0168] Specifically, in one embodiment, referring to the illustrations in FIG17 and FIG18, the moving contact assembly 12 of the present application embodiment can also be an assembly formed by a single layer of moving contact sheet, specifically including a first moving contact sheet 125 and a second moving contact sheet 126.

[0169] The first movable contact 125 and the second movable contact 126 are located on the same layer and are both connected to the push assembly 10. Furthermore, the first movable contact 125 and the second movable contact 126 are spaced apart from each other.

[0170] As shown in Figure 17, when the moving contact assembly 12 moves upward to the first position, the first moving contact piece 125 can connect the first stationary contact lead-out end 111a and the second stationary contact lead-out end 111b to form a first path. At the same time, the second moving contact piece 126 can connect the third stationary contact lead-out end 111c and the fourth stationary contact lead-out end 111d to form a second path.

[0171] As shown in Figure 18, when the moving contact assembly 12 moves downward to the second position, the first moving contact 125 and the second moving contact 126 separate from the upper stationary contact lead-out terminal 111. The first moving contact 125 and the second moving contact 126 can connect the first stationary contact lead-out terminal 111a and the third stationary contact lead-out terminal 111c to form a circuit. Compared with the double-layer moving contact structure shown in Figures 10 to 13, the single-layer moving contact structure shown in Figures 17 and 18 helps to reduce the size of the relay in the Z direction, which is beneficial to the miniaturization of the relay.

[0172] Optionally, referring to FIG19, at least one of the first movable contact piece 125 and the second movable contact piece 126 includes not less than two sub-movable contact pieces arranged in parallel.

[0173] Specifically, as shown in Figure 19, in the relay of this embodiment, either the first moving contact 125 or the second moving contact 126 can be composed of two or more sub-moving contacts arranged side by side and assembled together. This reduces the contact resistance of the moving contacts, decreases power consumption, and makes the relay more energy-efficient. Furthermore, it can be understood that in the relay of this embodiment, either the first moving contact 125 or the second moving contact 126 can also be a single sub-moving contact structure as shown in Figure 18, in order to reduce material consumption.

[0174] Optionally, the relay further includes a first magnetic conductor 13;

[0175] Along the direction of movement of the pushing component 10, the first moving contact 125 near the stationary contact lead-out end 111 and the second moving contact 126 near the stationary contact lead-out end 111 are both provided with the first magnetic conductor 13. The first magnetic conductor 13 is used to resist the electric repulsive force between the moving contact and the corresponding stationary contact lead-out end 111.

[0176] Specifically, in the relay of this application embodiment, similar to the double-layer moving contact assembly 12, the magnetism of the first magnetic conductor 13 can also be used to improve the tightness of the contact engagement between the moving contact piece and the stationary contact lead-out end 111 for the single-layer moving contact assembly 12. At this time, along the movement direction Z of the pushing assembly 10, the first magnetic conductor 13 is installed on the side of the first moving contact piece 125 near the stationary contact lead-out end 111, and another part of the first magnetic conductor 13 is installed on the side of the second moving contact piece 126 near the stationary contact lead-out end 111. Both parts of the first magnetic conductor 13 remain stationary. When the moving contact assembly 12 moves upward to the first position, the upper first magnetic conductor 13 can resist the electrodynamic repulsive force between the first moving contact piece 125, the second moving contact piece 126 and the stationary contact lead-out end 111.

[0177] Optionally, the relay further includes a second magnetic conductor 14;

[0178] Along the direction of movement of the pushing component 10, the first moving contact 125 on the side away from the stationary contact lead-out end 111 and the second moving contact 126 on the side away from the stationary contact lead-out end 111 are both provided with the second magnetic conductor 14. The first magnetic conductor 13 and the second magnetic conductor 14 can form a magnetic circuit to resist the electric repulsion between the moving contact and the corresponding stationary contact lead-out end 111.

[0179] Specifically, in the relay of this application embodiment, similar to the double-layer moving contact assembly 12, for the single-layer moving contact assembly 12, the relay may further include a second magnetic conductor 14. The second magnetic conductor 14 may be a U-shaped magnetic sheet. Along the movement direction Z of the pushing assembly 10, a portion of the second magnetic conductor 14 is installed on the side of the first moving contact sheet 125 facing away from the stationary contact lead-out end 111, and another portion of the second magnetic conductor 14 is installed on the side of the second moving contact sheet 126 facing away from the stationary contact lead-out end 111. Thus, when the moving contact assembly 12 moves upward to the first position, the upper first magnetic conductor 13 and the corresponding second magnetic conductor 14 can form a closed magnetic loop, which can more stably and reliably hold the moving contact assembly 12 in the first position.

[0180] Optionally, referring to FIG2, each of the stationary contact lead-out terminals 111 includes a load connection portion 1111 and a contact portion 1112, wherein the load connection portion 1111 and the contact portion 1112 are connected as one unit;

[0181] Each of the contact portions 1112 is disposed near the moving contact assembly 12 for contacting or disconnecting from the moving contact assembly 12;

[0182] Each of the load connection portions 1111 is disposed away from the moving contact assembly 12 and is used for electrical connection with a load circuit outside the relay.

[0183] Specifically, as illustrated in Figure 2, in the relay of this embodiment, all stationary contact leads 111 are located on the same side of the push assembly 10 in the direction of movement of the push assembly 10. That is, all stationary contact leads 111 can be located at the same end in the direction of movement of the push assembly 10, such as the upper end in the Z direction as shown in the figure. Referring to the illustration in Figure 2, each stationary contact lead 111, like the fourth stationary contact lead 111d, has a load connection portion 1111 and a contact portion 1112. The load connection portion 1111 and the contact portion 1112 can be a cylindrical structure integrated together. The load connection portion 1111 is located at the upper position away from the moving contact assembly 12, and the contact portion 1112 is located at the lower position close to the moving contact assembly 12. The diameter of the load connection portion 1111 can be larger than that of the contact portion 1112, and the height of the load connection portion 1111 can be smaller than that of the contact portion 1112. Thus, the load connection portion 1111 can form a disc-shaped flange and can be machined with a structure for connecting the load circuit outside the relay, such as a threaded structure for connecting the copper busbar or a welding plane for laser welding the copper busbar. For more forms of load connection portion 1111, they will not be described in detail here. Additionally, it should be noted that when the stationary contact assembly 11 also includes a first stationary contact bracket 112 and a second stationary contact bracket 113, the connecting portion 11a of the first stationary contact bracket 112 is connected to the contact portion 1112 of a stationary contact lead-out end 111 (as shown in Figure 8, the first stationary contact lead-out end 111a), and the connecting portion 11a of the second stationary contact bracket 113 is connected to the contact portion 1112 of another stationary contact lead-out end 111 (as shown in Figure 8, the third stationary contact lead-out end 111c). In this case, the thickness of the first stationary contact bracket 112 and the second stationary contact bracket 113 occupies a portion of the space below the corresponding stationary contact lead-out end 111. To ensure that the load connection portions 1111 of each stationary contact lead-out terminal 111 located at the upper part of the Z direction are at the same height and that the end faces of these portions are flush, while also ensuring that the relay can conduct normally, in this embodiment, the heights of the contact portions 1112 of each stationary contact lead-out terminal 111 are not completely the same. The height of the contact portions 1112 of the stationary contact lead-out terminals 111 that are not connected to the stationary contact support is larger. This allows the moving contact assembly 12 to move to the first position, where some of the moving contact assembly 12 directly contacts and conducts with some of the contact portions 1112 of the stationary contact lead-out terminals 111, while the other part of the moving contact assembly 12 contacts the stationary contact support and conducts with the corresponding stationary contact lead-out terminal 111. At this time, the contact portions of the stationary contact assembly 11 and the moving contact assembly 12 are in the same plane, which helps to ensure that each formed path is effectively and reliably connected, preventing poor contact or disconnection, and improving the reliability of the relay. Therefore, the stationary contact leads 111 are arranged in a concentrated manner at the same end, which can improve the convenience of wiring. In addition, the concentrated and compact layout structure can reduce the space occupied by the relay and is more conducive to miniaturization design.

[0184] Optionally, when the moving contact assembly 12 moves to the third position, the moving contact assembly 12 is disconnected from any of the stationary contact leads 111.

[0185] Specifically, in one embodiment, the moving contact assembly 12 in the relay of this application can be moved to a third position. This third position is different from the aforementioned first and second positions. In the third position, the moving contact assembly 12 can be disconnected from any stationary contact lead-out terminal 111. In this case, the relay can remain in a disconnected working state and no longer conduct to form any circuit.

[0186] Optionally, referring to FIG1, the relay further includes a coil 20, and the actuating assembly 10 includes an actuating rod 101;

[0187] The push rod 101 is movably inserted into the cavity of the coil 20, and the coil 20 is used to drive the push rod 101 to move the moving contact assembly 12.

[0188] Specifically, in one embodiment of the relay of this application, the relay further includes a coil 20, and the pushing assembly 10 includes a pushing rod 101. The pushing rod 101 is movably disposed in the cavity of the coil 20. When the coil 20 is energized, it generates an electromagnetic force acting on the pushing rod 101. Thus, the electromagnetic force generated by the coil 20 drives the pushing rod 101 to move along the Z direction shown in the figure, thereby driving the moving contact assembly 12 to move, so that the moving contact assembly 12 moves closer to or away from the stationary contact assembly 11.

[0189] Optionally, the moving contact assembly 12 is connected to one end of the push rod 101. The relay also includes a moving iron core, which is movably disposed in the cavity of the coil 20 and connected to the other end of the push rod 101. The length direction of the moving contact piece in the moving contact assembly 12 is perpendicular to the movement direction of the push rod 101. The push rod 101 drives the moving contact assembly 12 to move linearly relative to the stationary contact assembly 11 along the axial direction of the push rod 101.

[0190] Specifically, in one embodiment of the relay of this application, each moving contact piece in the moving contact assembly 12 is mounted on one end of the push rod 101 via a connector or the like, and the length direction of the moving contact piece is perpendicular to the axis of the push rod 101. A moving iron core (not shown in the figure) is fixed to the other end of the push rod 101. When the other end of the push rod 101 extends into the coil 20, the moving iron core is driven by the electromagnetic force of the coil 20, causing the push rod 101 to move linearly along the axis of the coil 20, correspondingly causing the moving contact assembly 12 to move linearly, thereby moving closer to or further away from the stationary contact assembly 11 to achieve relay on / off control.

[0191] Optionally, referring to Figure 11 or Figure 13, when the moving contact assembly 12 moves to the second position, the load current flows from one of the stationary contact leads 111 connected at one end of the moving contact assembly 12 to another stationary contact lead 111 connected at the other end of the moving contact assembly 12.

[0192] Specifically, in one embodiment, as illustrated in Figure 11 or Figure 13, when the moving contact assembly 12 moves to the second position, one end of the lower moving contact piece 123 overlaps with the overlapping portion 11c of a stationary contact bracket, and the other end of the lower moving contact piece 123 overlaps with the overlapping portion 11c of another stationary contact bracket. Thus, in this embodiment, current flows through one stationary contact lead-out end 111 to one end of the moving contact assembly 12, and along the length of the moving contact assembly 12 to the other stationary contact lead-out end 111. That is, a path is formed inside the relay by two overlapping contact relationships at both ends of the moving contact assembly along its length. This results in fewer contact points, lower contact resistance, and a simpler structure, which also facilitates the miniaturization of the relay.

[0193] Optionally, in the relay of this application embodiment, when the number of stationary contact leads 111 is M (M≥4), when a portion of the moving contact assembly 12 moves to conduct with the stationary contact assembly 11, the number of multiple paths formed by the M stationary contact leads 111 is a. When another portion of the moving contact assembly 12 moves to conduct with the stationary contact assembly 11, the number of at least one path formed by the M stationary contact leads 111 is b. The total number of paths N that this relay product can form in different working states is a+b, and N is greater than M / 2. Therefore, this relay has multiple connection and usage methods and can be flexibly applied to load control circuits.

[0194] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0195] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A relay, wherein, The relay includes: Drive component (10); A stationary contact assembly (11) includes at least four stationary contact leads (111); A moving contact assembly (12) is connected to the pushing assembly (10), and the pushing assembly (10) drives the moving contact assembly (12) to move relative to the stationary contact assembly (11); When the moving contact assembly (12) moves to the first position, at least four of the stationary contact leads (111) form multiple independent paths; when the moving contact assembly (12) moves to the second position, at least four of the stationary contact leads (111) form at least one path.

2. The relay according to claim 1, wherein, When the moving contact assembly (12) moves to the first position, at least two of the four stationary contact leads (111) are simultaneously connected to form multiple independent paths. When the moving contact assembly (12) moves to the second position, one of the at least four stationary contact leads (111) is connected to one of the remaining stationary contact leads (111) to form a path.

3. The relay according to claim 1, wherein, The number of the driving components (10) is one.

4. The relay of claim 1, wherein, The at least four stationary contact leads (111) include a first stationary contact lead (111a), a second stationary contact lead (111b), a third stationary contact lead (111c), and a fourth stationary contact lead (111d).

5. The relay according to claim 4, wherein, The first stationary contact lead-out end (111a), the second stationary contact lead-out end (111b), the third stationary contact lead-out end (111c), and the fourth stationary contact lead-out end (111d) are arranged in a rectangular array. The first stationary contact lead-out end (111a) and the third stationary contact lead-out end (111c) are located on one diagonal of the rectangle, and the second stationary contact lead-out end (111b) and the fourth stationary contact lead-out end (111d) are located on the other diagonal of the rectangle.

6. The relay of claim 5, wherein, The stationary contact assembly (11) further includes a first stationary contact bracket (112) and a second stationary contact bracket (113); The first stationary contact bracket (112) is electrically connected to one of the four stationary contact leads (111); The second stationary contact bracket (113) is electrically connected to one of the remaining stationary contact leads (111); The first stationary contact bracket (112) and the second stationary contact bracket (113) are arranged opposite to each other to form a receiving space for mounting the moving contact assembly (12); The moving contact assembly (12) is located within the receiving space and moves between the first position and the second position.

7. The relay of claim 6, wherein, Both the first stationary contact bracket (112) and the second stationary contact bracket (113) include a connecting part (11a), a supporting part (11b), and an overlapping part (11c); The connecting part (11a) is connected to one end of the supporting part (11b), and the overlapping part (11c) is connected to the other end of the supporting part (11b). The three together form a groove to accommodate the moving contact assembly (12). The groove openings of the first stationary contact bracket (112) and the second stationary contact bracket (113) are opposite to each other to form the receiving space; The connecting part (11a) is electrically connected to a stationary contact lead-out end (111), and the overlapping part (11c) is used for the moving contact assembly (12) to abut against.

8. The relay of claim 7, wherein, The connecting part (11a) of the first stationary contact bracket (112) is electrically connected to the first stationary contact lead-out end (111a), and the connecting part (11a) of the second stationary contact bracket (113) is electrically connected to the third stationary contact lead-out end (111c). The first stationary contact bracket (112) and the second stationary contact bracket (113) are centrally symmetrical about the center of the four stationary contact leads (111), and the moving contact assembly (12) is located within the receiving space.

9. The relay of claim 7, wherein, The connecting part (11a) of the first stationary contact bracket (112) is electrically connected to the third stationary contact lead-out end (111c), and the connecting part (11a) of the second stationary contact bracket (113) is electrically connected to the fourth stationary contact lead-out end (111d). The first stationary contact bracket (112) and the second stationary contact bracket (113) are arranged in a mirror-symmetric structure around the center of the four stationary contact leads (111), and the moving contact assembly (12) is located within the receiving space.

10. The relay according to claim 1, wherein, The moving contact assembly (12) includes a first upper moving contact piece (121), a second upper moving contact piece (122), and a lower moving contact piece (123), and the first upper moving contact piece (121), the second upper moving contact piece (122), and the lower moving contact piece (123) are all connected to the pushing assembly (10); Along the direction of movement of the pushing component (10), the first upper movable contact (121) and the lower movable contact (123) are spaced apart, and the second upper movable contact (122) and the lower movable contact (123) are spaced apart; Along a direction perpendicular to the movement of the pushing component (10), the first upper movable contact (121) and the second upper movable contact (122) are spaced apart; When the moving contact assembly (12) moves to the first position, the first upper moving contact piece (121) connects two of the stationary contact lead-out ends (111) to form a path, and the second upper moving contact piece (122) connects the other two of the stationary contact lead-out ends (111) to form another path. When the moving contact assembly (12) moves to the second position, the lower moving contact piece (123) connects two of the stationary contact lead-out ends (111) to form a path.

11. The relay of claim 10, wherein, The moving contact assembly (12) further includes an elastic component (124); Along the movement direction of the pushing component (10), the elastic component (124) is disposed between the first upper movable contact (121) and the second upper movable contact (122) located on the upper layer and the lower movable contact (123) located on the lower layer.

12. The relay according to claim 10, wherein, At least one of the first upper movable contact (121), the second upper movable contact (122), and the lower movable contact (123) includes at least two sub-movable contacts arranged in parallel.

13. The relay according to any one of claims 10 to 12, wherein, The relay also includes a first magnetic conductor (13); Along the direction of movement of the pushing component (10), the first upper movable contact (121) near the stationary contact lead-out end (111) and the lower movable contact (123) away from the stationary contact lead-out end (111) are both provided with the first magnetic conductor (13). The first magnetic conductor (13) is used to resist the electric repulsion between the movable contact and the corresponding stationary contact lead-out end (111).

14. The relay according to claim 13, wherein, The relay also includes a second magnetic conductor (14); Along the direction of movement of the pushing assembly (10), the side of the first upper movable contact (121) facing away from the stationary contact lead-out end (111) and the side of the lower movable contact (123) close to the stationary contact lead-out end (111) are both provided with the second magnetic conductor (14). The first magnetic conductor (13) and the second magnetic conductor (14) can form a magnetic circuit to resist the electric repulsion between the moving contact and the corresponding stationary contact lead-out end (111).

15. The relay of claim 1, wherein, The moving contact assembly (12) includes a first moving contact piece (125) and a second moving contact piece (126), both of which are connected to the pushing assembly (10). Along a direction perpendicular to the movement of the pushing component (10), the first movable contact (125) and the second movable contact (126) are spaced apart; When the moving contact assembly (12) moves to the first position, the first moving contact piece (125) connects two of the stationary contact lead-out ends (111) to form a path, and the second moving contact piece (126) connects the other two of the stationary contact lead-out ends (111) to form another path. When the moving contact assembly (12) moves to the second position, the first moving contact piece (125) and the second moving contact piece (126) connect two of the stationary contact lead-out ends (111) to form a path.

16. The relay according to claim 15, wherein, At least one of the first movable contact piece (125) and the second movable contact piece (126) includes at least two sub-movable contact pieces arranged in parallel.

17. The relay according to any one of claims 15 to 16, wherein, The relay also includes a first magnetic conductor (13); Along the direction of movement of the pushing component (10), the first moving contact (125) near the stationary contact lead-out end (111) and the second moving contact (126) near the stationary contact lead-out end (111) are both provided with the first magnetic conductor (13), which is used to resist the electric repulsion between the moving contact and the corresponding stationary contact lead-out end (111).

18. The relay according to claim 17, wherein, The relay also includes a second magnetic conductor (14); Along the direction of movement of the pushing component (10), the first moving contact (125) on the side away from the stationary contact lead-out end (111) and the second moving contact (126) on the side away from the stationary contact lead-out end (111) are both provided with the second magnetic conductor (14). The first magnetic conductor (13) and the second magnetic conductor (14) can form a magnetic circuit to resist the electric repulsion between the moving contact and the corresponding stationary contact lead-out end (111).

19. The relay according to any one of claims 1 to 12, wherein, Each of the stationary contact leads (111) includes a load connection portion (1111) and a contact portion (1112), wherein the load connection portion (1111) and the contact portion (1112) are connected as one unit; Each of the contact portions (1112) is disposed near the moving contact assembly (12) for contacting or disconnecting from the moving contact assembly (12); Each of the load connection portions (1111) is disposed away from the moving contact assembly (12) for electrical connection with a load circuit outside the relay.

20. The relay according to any one of claims 1 to 12, wherein, When the moving contact assembly (12) moves to the third position, the moving contact assembly (12) is disconnected from any of the stationary contact leads (111).

21. The relay according to any one of claims 1 to 12, wherein, The relay further includes a coil (20), and the actuating assembly (10) includes an actuating rod (101); The push rod (101) is movably inserted into the cavity of the coil (20), and the coil (20) is used to drive the push rod (101) to move the moving contact assembly (12).

22. The relay according to claim 21, wherein, The moving contact assembly (12) is connected to one end of the push rod (101). The relay also includes a moving iron core, which is movably disposed in the cavity of the coil (20) and connected to the other end of the push rod (101). The length direction of the moving contact piece in the moving contact assembly (12) is perpendicular to the movement direction of the push rod (101). The push rod (101) drives the moving contact assembly (12) to move linearly relative to the stationary contact assembly (11) along the axial direction of the push rod (101).

23. The relay of any one of claims 1 to 12, wherein, When the moving contact assembly (12) moves to the second position, the load current flows from one of the stationary contact leads (111) connected at one end of the moving contact assembly (12) to the other stationary contact lead (111) connected at the other end of the moving contact assembly (12).

24. The relay according to any one of claims 1 to 12, wherein, The number of stationary contact leads (111) is M, and the total number of paths formed by at least four stationary contact leads (111) is N, where N>M / 2.

25. The relay of any one of claims 1 to 12, wherein, In the direction of movement of the push assembly (10), all the stationary contact leads (111) are located on the same side of the push assembly (10).

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